| /* |
| * schemas.c : implementation of the XML Schema handling and |
| * schema validity checking |
| * |
| * See Copyright for the status of this software. |
| * |
| * Daniel Veillard <veillard@redhat.com> |
| */ |
| |
| /* |
| * TODO: |
| * - when types are redefined in includes, check that all |
| * types in the redef list are equal |
| * -> need a type equality operation. |
| */ |
| #define IN_LIBXML |
| #include "libxml.h" |
| |
| #ifdef LIBXML_SCHEMAS_ENABLED |
| |
| #include <string.h> |
| #include <libxml/xmlmemory.h> |
| #include <libxml/parser.h> |
| #include <libxml/parserInternals.h> |
| #include <libxml/hash.h> |
| #include <libxml/uri.h> |
| |
| #include <libxml/xmlschemas.h> |
| #include <libxml/schemasInternals.h> |
| #include <libxml/xmlschemastypes.h> |
| #include <libxml/xmlautomata.h> |
| #include <libxml/xmlregexp.h> |
| #include <libxml/dict.h> |
| |
| /* #define DEBUG 1 */ |
| |
| /* #define DEBUG_CONTENT 1 */ |
| |
| /* #define DEBUG_TYPE 1 */ |
| |
| /* #define DEBUG_CONTENT_REGEXP 1 */ |
| |
| /* #define DEBUG_AUTOMATA 1 */ |
| |
| /* #define DEBUG_ATTR_VALIDATION 1 */ |
| |
| #define UNBOUNDED (1 << 30) |
| #define TODO \ |
| xmlGenericError(xmlGenericErrorContext, \ |
| "Unimplemented block at %s:%d\n", \ |
| __FILE__, __LINE__); |
| |
| #define XML_SCHEMAS_DEFAULT_NAMESPACE (const xmlChar *)"the default namespace" |
| |
| /* |
| * The XML Schemas namespaces |
| */ |
| static const xmlChar *xmlSchemaNs = (const xmlChar *) |
| "http://www.w3.org/2001/XMLSchema"; |
| |
| static const xmlChar *xmlSchemaInstanceNs = (const xmlChar *) |
| "http://www.w3.org/2001/XMLSchema-instance"; |
| |
| #define IS_SCHEMA(node, type) \ |
| ((node != NULL) && (node->ns != NULL) && \ |
| (xmlStrEqual(node->name, (const xmlChar *) type)) && \ |
| (xmlStrEqual(node->ns->href, xmlSchemaNs))) |
| |
| #define XML_SCHEMAS_PARSE_ERROR 1 |
| |
| #define SCHEMAS_PARSE_OPTIONS XML_PARSE_NOENT |
| |
| struct _xmlSchemaParserCtxt { |
| void *userData; /* user specific data block */ |
| xmlSchemaValidityErrorFunc error; /* the callback in case of errors */ |
| xmlSchemaValidityWarningFunc warning; /* the callback in case of warning */ |
| xmlSchemaValidError err; |
| int nberrors; |
| xmlStructuredErrorFunc serror; |
| |
| xmlSchemaPtr topschema; /* The main schema */ |
| xmlHashTablePtr namespaces; /* Hash table of namespaces to schemas */ |
| |
| xmlSchemaPtr schema; /* The schema in use */ |
| const xmlChar *container; /* the current element, group, ... */ |
| int counter; |
| |
| const xmlChar *URL; |
| xmlDocPtr doc; |
| int preserve; /* Whether the doc should be freed */ |
| |
| const char *buffer; |
| int size; |
| |
| /* |
| * Used to build complex element content models |
| */ |
| xmlAutomataPtr am; |
| xmlAutomataStatePtr start; |
| xmlAutomataStatePtr end; |
| xmlAutomataStatePtr state; |
| |
| xmlDictPtr dict; /* dictionnary for interned string names */ |
| int includes; /* the inclusion level, 0 for root or imports */ |
| }; |
| |
| |
| #define XML_SCHEMAS_ATTR_UNKNOWN 1 |
| #define XML_SCHEMAS_ATTR_CHECKED 2 |
| #define XML_SCHEMAS_ATTR_PROHIBITED 3 |
| #define XML_SCHEMAS_ATTR_MISSING 4 |
| #define XML_SCHEMAS_ATTR_INVALID_VALUE 5 |
| #define XML_SCHEMAS_ATTR_TYPE_NOT_RESOLVED 6 |
| |
| typedef struct _xmlSchemaAttrState xmlSchemaAttrState; |
| typedef xmlSchemaAttrState *xmlSchemaAttrStatePtr; |
| struct _xmlSchemaAttrState { |
| xmlSchemaAttrStatePtr next; |
| xmlAttrPtr attr; |
| int state; |
| xmlSchemaAttributePtr decl; |
| }; |
| |
| /** |
| * xmlSchemaValidCtxt: |
| * |
| * A Schemas validation context |
| */ |
| |
| struct _xmlSchemaValidCtxt { |
| void *userData; /* user specific data block */ |
| xmlSchemaValidityErrorFunc error; /* the callback in case of errors */ |
| xmlSchemaValidityWarningFunc warning; /* the callback in case of warning */ |
| xmlStructuredErrorFunc serror; |
| |
| xmlSchemaPtr schema; /* The schema in use */ |
| xmlDocPtr doc; |
| xmlParserInputBufferPtr input; |
| xmlCharEncoding enc; |
| xmlSAXHandlerPtr sax; |
| void *user_data; |
| |
| xmlDocPtr myDoc; |
| int err; |
| int nberrors; |
| |
| xmlNodePtr node; |
| xmlNodePtr cur; |
| xmlSchemaTypePtr type; |
| |
| xmlRegExecCtxtPtr regexp; |
| xmlSchemaValPtr value; |
| |
| xmlSchemaAttrStatePtr attrTop; |
| /* xmlSchemaAttrStatePtr attrBase; */ |
| /* int attrMax; */ |
| xmlSchemaAttrStatePtr attr; |
| }; |
| |
| /* |
| * These are the entries in the schemas importSchemas hash table |
| */ |
| typedef struct _xmlSchemaImport xmlSchemaImport; |
| typedef xmlSchemaImport *xmlSchemaImportPtr; |
| struct _xmlSchemaImport { |
| const xmlChar *schemaLocation; |
| xmlSchemaPtr schema; |
| }; |
| |
| /* |
| * These are the entries associated to includes in a schemas |
| */ |
| typedef struct _xmlSchemaInclude xmlSchemaInclude; |
| typedef xmlSchemaInclude *xmlSchemaIncludePtr; |
| struct _xmlSchemaInclude { |
| xmlSchemaIncludePtr next; |
| |
| const xmlChar *schemaLocation; |
| xmlDocPtr doc; |
| }; |
| |
| /************************************************************************ |
| * * |
| * Some predeclarations * |
| * * |
| ************************************************************************/ |
| static int xmlSchemaValidateSimpleValue(xmlSchemaValidCtxtPtr ctxt, |
| xmlSchemaTypePtr type, |
| const xmlChar * value); |
| |
| static int xmlSchemaParseInclude(xmlSchemaParserCtxtPtr ctxt, |
| xmlSchemaPtr schema, |
| xmlNodePtr node); |
| static int |
| xmlSchemaValidateSimpleValueInternal(xmlSchemaValidCtxtPtr ctxt, |
| xmlSchemaTypePtr type, |
| const xmlChar * value, |
| int fireErrors); |
| |
| /************************************************************************ |
| * * |
| * Datatype error handlers * |
| * * |
| ************************************************************************/ |
| |
| /** |
| * xmlSchemaPErrMemory: |
| * @node: a context node |
| * @extra: extra informations |
| * |
| * Handle an out of memory condition |
| */ |
| static void |
| xmlSchemaPErrMemory(xmlSchemaParserCtxtPtr ctxt, |
| const char *extra, xmlNodePtr node) |
| { |
| if (ctxt != NULL) |
| ctxt->nberrors++; |
| __xmlSimpleError(XML_FROM_SCHEMASP, XML_ERR_NO_MEMORY, node, NULL, |
| extra); |
| } |
| |
| /** |
| * xmlSchemaPErr: |
| * @ctxt: the parsing context |
| * @node: the context node |
| * @error: the error code |
| * @msg: the error message |
| * @str1: extra data |
| * @str2: extra data |
| * |
| * Handle a parser error |
| */ |
| static void |
| xmlSchemaPErr(xmlSchemaParserCtxtPtr ctxt, xmlNodePtr node, int error, |
| const char *msg, const xmlChar * str1, const xmlChar * str2) |
| { |
| xmlGenericErrorFunc channel = NULL; |
| xmlStructuredErrorFunc schannel = NULL; |
| void *data = NULL; |
| |
| if (ctxt != NULL) { |
| ctxt->nberrors++; |
| channel = ctxt->error; |
| data = ctxt->userData; |
| schannel = ctxt->serror; |
| } |
| __xmlRaiseError(schannel, channel, data, ctxt, node, XML_FROM_SCHEMASP, |
| error, XML_ERR_ERROR, NULL, 0, |
| (const char *) str1, (const char *) str2, NULL, 0, 0, |
| msg, str1, str2); |
| } |
| |
| /** |
| * xmlSchemaPErr2: |
| * @ctxt: the parsing context |
| * @node: the context node |
| * @node: the current child |
| * @error: the error code |
| * @msg: the error message |
| * @str1: extra data |
| * @str2: extra data |
| * |
| * Handle a parser error |
| */ |
| static void |
| xmlSchemaPErr2(xmlSchemaParserCtxtPtr ctxt, xmlNodePtr node, |
| xmlNodePtr child, int error, |
| const char *msg, const xmlChar * str1, const xmlChar * str2) |
| { |
| if (child != NULL) |
| xmlSchemaPErr(ctxt, child, error, msg, str1, str2); |
| else |
| xmlSchemaPErr(ctxt, node, error, msg, str1, str2); |
| } |
| |
| #if 0 |
| /** |
| * xmlSchemaPErrExt: |
| * @ctxt: the parsing context |
| * @node: the context node |
| * @error: the error code |
| * @strData1: extra data |
| * @strData2: extra data |
| * @strData3: extra data |
| * @msg: the message |
| * @str1: extra parameter for the message display |
| * @str2: extra parameter for the message display |
| * @str3: extra parameter for the message display |
| * @str4: extra parameter for the message display |
| * @str5: extra parameter for the message display |
| * |
| * Handle a parser error |
| */ |
| static void |
| xmlSchemaPErrExt(xmlSchemaParserCtxtPtr ctxt, xmlNodePtr node, int error, |
| const xmlChar * strData1, const xmlChar * strData2, |
| const xmlChar * strData3, const char *msg, const xmlChar * str1, |
| const xmlChar * str2, const xmlChar * str3, const xmlChar * str4, |
| const xmlChar * str5) |
| { |
| |
| xmlGenericErrorFunc channel = NULL; |
| xmlStructuredErrorFunc schannel = NULL; |
| void *data = NULL; |
| |
| if (ctxt != NULL) { |
| ctxt->nberrors++; |
| channel = ctxt->error; |
| data = ctxt->userData; |
| schannel = ctxt->serror; |
| } |
| __xmlRaiseError(schannel, channel, data, ctxt, node, XML_FROM_SCHEMASP, |
| error, XML_ERR_ERROR, NULL, 0, |
| (const char *) strData1, (const char *) strData2, |
| (const char *) strData3, 0, 0, msg, str1, str2, |
| str3, str4, str5); |
| } |
| #endif |
| |
| /** |
| * xmlSchemaVTypeErrMemory: |
| * @node: a context node |
| * @extra: extra informations |
| * |
| * Handle an out of memory condition |
| */ |
| static void |
| xmlSchemaVErrMemory(xmlSchemaValidCtxtPtr ctxt, |
| const char *extra, xmlNodePtr node) |
| { |
| if (ctxt != NULL) { |
| ctxt->nberrors++; |
| ctxt->err = XML_SCHEMAS_ERR_INTERNAL; |
| } |
| __xmlSimpleError(XML_FROM_SCHEMASV, XML_ERR_NO_MEMORY, node, NULL, |
| extra); |
| } |
| |
| /** |
| * xmlSchemaVErr3: |
| * @ctxt: the validation context |
| * @node: the context node |
| * @error: the error code |
| * @msg: the error message |
| * @str1: extra data |
| * @str2: extra data |
| * @str3: extra data |
| * |
| * Handle a validation error |
| */ |
| static void |
| xmlSchemaVErr3(xmlSchemaValidCtxtPtr ctxt, xmlNodePtr node, int error, |
| const char *msg, const xmlChar *str1, const xmlChar *str2, |
| const xmlChar *str3) |
| { |
| xmlStructuredErrorFunc schannel = NULL; |
| xmlGenericErrorFunc channel = NULL; |
| void *data = NULL; |
| |
| if (ctxt != NULL) { |
| ctxt->nberrors++; |
| ctxt->err = error; |
| channel = ctxt->error; |
| schannel = ctxt->serror; |
| data = ctxt->userData; |
| } |
| /* reajust to global error numbers */ |
| error += XML_SCHEMAV_NOROOT - XML_SCHEMAS_ERR_NOROOT; |
| __xmlRaiseError(schannel, channel, data, ctxt, node, XML_FROM_SCHEMASV, |
| error, XML_ERR_ERROR, NULL, 0, |
| (const char *) str1, (const char *) str2, |
| (const char *) str3, 0, 0, |
| msg, str1, str2, str3); |
| } |
| /** |
| * xmlSchemaVErr: |
| * @ctxt: the validation context |
| * @node: the context node |
| * @error: the error code |
| * @msg: the error message |
| * @str1: extra data |
| * @str2: extra data |
| * |
| * Handle a validation error |
| */ |
| static void |
| xmlSchemaVErr(xmlSchemaValidCtxtPtr ctxt, xmlNodePtr node, int error, |
| const char *msg, const xmlChar * str1, const xmlChar * str2) |
| { |
| xmlStructuredErrorFunc schannel = NULL; |
| xmlGenericErrorFunc channel = NULL; |
| void *data = NULL; |
| |
| if (ctxt != NULL) { |
| ctxt->nberrors++; |
| ctxt->err = error; |
| channel = ctxt->error; |
| data = ctxt->userData; |
| schannel = ctxt->serror; |
| } |
| /* reajust to global error numbers */ |
| error += XML_SCHEMAV_NOROOT - XML_SCHEMAS_ERR_NOROOT; |
| __xmlRaiseError(schannel, channel, data, ctxt, node, XML_FROM_SCHEMASV, |
| error, XML_ERR_ERROR, NULL, 0, |
| (const char *) str1, (const char *) str2, NULL, 0, 0, |
| msg, str1, str2); |
| } |
| |
| /************************************************************************ |
| * * |
| * Allocation functions * |
| * * |
| ************************************************************************/ |
| |
| /** |
| * xmlSchemaNewSchema: |
| * @ctxt: a schema validation context |
| * |
| * Allocate a new Schema structure. |
| * |
| * Returns the newly allocated structure or NULL in case or error |
| */ |
| static xmlSchemaPtr |
| xmlSchemaNewSchema(xmlSchemaParserCtxtPtr ctxt) |
| { |
| xmlSchemaPtr ret; |
| |
| ret = (xmlSchemaPtr) xmlMalloc(sizeof(xmlSchema)); |
| if (ret == NULL) { |
| xmlSchemaPErrMemory(ctxt, "allocating schema", NULL); |
| return (NULL); |
| } |
| memset(ret, 0, sizeof(xmlSchema)); |
| ret->dict = ctxt->dict; |
| xmlDictReference(ret->dict); |
| |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaNewFacet: |
| * |
| * Allocate a new Facet structure. |
| * |
| * Returns the newly allocated structure or NULL in case or error |
| */ |
| xmlSchemaFacetPtr |
| xmlSchemaNewFacet(void) |
| { |
| xmlSchemaFacetPtr ret; |
| |
| ret = (xmlSchemaFacetPtr) xmlMalloc(sizeof(xmlSchemaFacet)); |
| if (ret == NULL) { |
| return (NULL); |
| } |
| memset(ret, 0, sizeof(xmlSchemaFacet)); |
| |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaNewAnnot: |
| * @ctxt: a schema validation context |
| * @node: a node |
| * |
| * Allocate a new annotation structure. |
| * |
| * Returns the newly allocated structure or NULL in case or error |
| */ |
| static xmlSchemaAnnotPtr |
| xmlSchemaNewAnnot(xmlSchemaParserCtxtPtr ctxt, xmlNodePtr node) |
| { |
| xmlSchemaAnnotPtr ret; |
| |
| ret = (xmlSchemaAnnotPtr) xmlMalloc(sizeof(xmlSchemaAnnot)); |
| if (ret == NULL) { |
| xmlSchemaPErrMemory(ctxt, "allocating annotation", node); |
| return (NULL); |
| } |
| memset(ret, 0, sizeof(xmlSchemaAnnot)); |
| ret->content = node; |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaFreeAnnot: |
| * @annot: a schema type structure |
| * |
| * Deallocate a annotation structure |
| */ |
| static void |
| xmlSchemaFreeAnnot(xmlSchemaAnnotPtr annot) |
| { |
| if (annot == NULL) |
| return; |
| xmlFree(annot); |
| } |
| |
| /** |
| * xmlSchemaFreeImport: |
| * @import: a schema import structure |
| * |
| * Deallocate an import structure |
| */ |
| static void |
| xmlSchemaFreeImport(xmlSchemaImportPtr import) |
| { |
| if (import == NULL) |
| return; |
| |
| xmlSchemaFree(import->schema); |
| xmlFree(import); |
| } |
| |
| /** |
| * xmlSchemaFreeInclude: |
| * @include: a schema include structure |
| * |
| * Deallocate an include structure |
| */ |
| static void |
| xmlSchemaFreeInclude(xmlSchemaIncludePtr include) |
| { |
| if (include == NULL) |
| return; |
| |
| xmlFreeDoc(include->doc); |
| xmlFree(include); |
| } |
| |
| /** |
| * xmlSchemaFreeIncludeList: |
| * @includes: a schema include list |
| * |
| * Deallocate an include structure |
| */ |
| static void |
| xmlSchemaFreeIncludeList(xmlSchemaIncludePtr includes) |
| { |
| xmlSchemaIncludePtr next; |
| |
| while (includes != NULL) { |
| next = includes->next; |
| xmlSchemaFreeInclude(includes); |
| includes = next; |
| } |
| } |
| |
| /** |
| * xmlSchemaFreeNotation: |
| * @schema: a schema notation structure |
| * |
| * Deallocate a Schema Notation structure. |
| */ |
| static void |
| xmlSchemaFreeNotation(xmlSchemaNotationPtr nota) |
| { |
| if (nota == NULL) |
| return; |
| xmlFree(nota); |
| } |
| |
| /** |
| * xmlSchemaFreeAttribute: |
| * @schema: a schema attribute structure |
| * |
| * Deallocate a Schema Attribute structure. |
| */ |
| static void |
| xmlSchemaFreeAttribute(xmlSchemaAttributePtr attr) |
| { |
| if (attr == NULL) |
| return; |
| xmlFree(attr); |
| } |
| |
| /** |
| * xmlSchemaFreeWildcardNsSet: |
| * set: a schema wildcard namespace |
| * |
| * Deallocate a list of wildcard constraint structures. |
| */ |
| static void |
| xmlSchemaFreeWildcardNsSet(xmlSchemaWildcardNsPtr set) |
| { |
| xmlSchemaWildcardNsPtr next; |
| |
| while (set != NULL) { |
| next = set->next; |
| xmlFree(set); |
| set = next; |
| } |
| } |
| |
| /** |
| * xmlSchemaFreeWildcard: |
| * @schema: a schema attribute group structure |
| * |
| * Deallocate a Schema Attribute Group structure. |
| */ |
| static void |
| xmlSchemaFreeWildcard(xmlSchemaWildcardPtr wildcard) |
| { |
| if (wildcard == NULL) |
| return; |
| if (wildcard->annot != NULL) |
| xmlSchemaFreeAnnot(wildcard->annot); |
| if (wildcard->nsSet != NULL) |
| xmlSchemaFreeWildcardNsSet(wildcard->nsSet); |
| if (wildcard->negNsSet != NULL) |
| xmlFree(wildcard->negNsSet); |
| xmlFree(wildcard); |
| } |
| |
| /** |
| * xmlSchemaFreeAttributeGroup: |
| * @schema: a schema attribute group structure |
| * |
| * Deallocate a Schema Attribute Group structure. |
| */ |
| static void |
| xmlSchemaFreeAttributeGroup(xmlSchemaAttributeGroupPtr attr) |
| { |
| if (attr == NULL) |
| return; |
| if (attr->annot != NULL) |
| xmlSchemaFreeAnnot(attr->annot); |
| if ((attr->flags & XML_SCHEMAS_ATTRGROUP_GLOBAL) && |
| (attr->attributeWildcard != NULL)) |
| xmlSchemaFreeWildcard(attr->attributeWildcard); |
| |
| xmlFree(attr); |
| } |
| |
| /** |
| * xmlSchemaFreeAttributeUseList: |
| * @attrUse: a schema attribute link structure |
| * |
| * Deallocate a list of schema attribute uses. |
| */ |
| static void |
| xmlSchemaFreeAttributeUseList(xmlSchemaAttributeLinkPtr attrUse) |
| { |
| xmlSchemaAttributeLinkPtr next; |
| |
| while (attrUse != NULL) { |
| next = attrUse->next; |
| xmlFree(attrUse); |
| attrUse = next; |
| } |
| } |
| |
| /** |
| * xmlSchemaFreeElement: |
| * @schema: a schema element structure |
| * |
| * Deallocate a Schema Element structure. |
| */ |
| static void |
| xmlSchemaFreeElement(xmlSchemaElementPtr elem) |
| { |
| if (elem == NULL) |
| return; |
| if (elem->annot != NULL) |
| xmlSchemaFreeAnnot(elem->annot); |
| if (elem->contModel != NULL) |
| xmlRegFreeRegexp(elem->contModel); |
| xmlFree(elem); |
| } |
| |
| /** |
| * xmlSchemaFreeFacet: |
| * @facet: a schema facet structure |
| * |
| * Deallocate a Schema Facet structure. |
| */ |
| void |
| xmlSchemaFreeFacet(xmlSchemaFacetPtr facet) |
| { |
| if (facet == NULL) |
| return; |
| if (facet->val != NULL) |
| xmlSchemaFreeValue(facet->val); |
| if (facet->regexp != NULL) |
| xmlRegFreeRegexp(facet->regexp); |
| if (facet->annot != NULL) |
| xmlSchemaFreeAnnot(facet->annot); |
| xmlFree(facet); |
| } |
| |
| /** |
| * xmlSchemaFreeType: |
| * @type: a schema type structure |
| * |
| * Deallocate a Schema Type structure. |
| */ |
| void |
| xmlSchemaFreeType(xmlSchemaTypePtr type) |
| { |
| if (type == NULL) |
| return; |
| if (type->annot != NULL) |
| xmlSchemaFreeAnnot(type->annot); |
| if (type->facets != NULL) { |
| xmlSchemaFacetPtr facet, next; |
| |
| facet = type->facets; |
| while (facet != NULL) { |
| next = facet->next; |
| xmlSchemaFreeFacet(facet); |
| facet = next; |
| } |
| } |
| if (type->type != XML_SCHEMA_TYPE_BASIC) { |
| if (type->attributeUses != NULL) |
| xmlSchemaFreeAttributeUseList(type->attributeUses); |
| if ((type->attributeWildcard != NULL) && |
| ((type->type != XML_SCHEMA_TYPE_COMPLEX) || |
| ((type->type == XML_SCHEMA_TYPE_COMPLEX) && |
| (type->flags & XML_SCHEMAS_TYPE_OWNED_ATTR_WILDCARD)))) { |
| xmlSchemaFreeWildcard(type->attributeWildcard); |
| } |
| } |
| xmlFree(type); |
| } |
| |
| /** |
| * xmlSchemaFreeTypeList: |
| * @type: a schema type structure |
| * |
| * Deallocate a Schema Type structure. |
| */ |
| static void |
| xmlSchemaFreeTypeList(xmlSchemaTypePtr type) |
| { |
| xmlSchemaTypePtr next; |
| |
| while (type != NULL) { |
| next = type->redef; |
| xmlSchemaFreeType(type); |
| type = next; |
| } |
| } |
| |
| /** |
| * xmlSchemaFree: |
| * @schema: a schema structure |
| * |
| * Deallocate a Schema structure. |
| */ |
| void |
| xmlSchemaFree(xmlSchemaPtr schema) |
| { |
| if (schema == NULL) |
| return; |
| |
| if (schema->notaDecl != NULL) |
| xmlHashFree(schema->notaDecl, |
| (xmlHashDeallocator) xmlSchemaFreeNotation); |
| if (schema->attrDecl != NULL) |
| xmlHashFree(schema->attrDecl, |
| (xmlHashDeallocator) xmlSchemaFreeAttribute); |
| if (schema->attrgrpDecl != NULL) |
| xmlHashFree(schema->attrgrpDecl, |
| (xmlHashDeallocator) xmlSchemaFreeAttributeGroup); |
| if (schema->elemDecl != NULL) |
| xmlHashFree(schema->elemDecl, |
| (xmlHashDeallocator) xmlSchemaFreeElement); |
| if (schema->typeDecl != NULL) |
| xmlHashFree(schema->typeDecl, |
| (xmlHashDeallocator) xmlSchemaFreeTypeList); |
| if (schema->groupDecl != NULL) |
| xmlHashFree(schema->groupDecl, |
| (xmlHashDeallocator) xmlSchemaFreeType); |
| if (schema->schemasImports != NULL) |
| xmlHashFree(schema->schemasImports, |
| (xmlHashDeallocator) xmlSchemaFreeImport); |
| if (schema->includes != NULL) { |
| xmlSchemaFreeIncludeList((xmlSchemaIncludePtr) schema->includes); |
| } |
| if (schema->annot != NULL) |
| xmlSchemaFreeAnnot(schema->annot); |
| if (schema->doc != NULL && !schema->preserve) |
| xmlFreeDoc(schema->doc); |
| xmlDictFree(schema->dict); |
| |
| xmlFree(schema); |
| } |
| |
| /************************************************************************ |
| * * |
| * Debug functions * |
| * * |
| ************************************************************************/ |
| |
| #ifdef LIBXML_OUTPUT_ENABLED |
| |
| /** |
| * xmlSchemaElementDump: |
| * @elem: an element |
| * @output: the file output |
| * |
| * Dump the element |
| */ |
| static void |
| xmlSchemaElementDump(xmlSchemaElementPtr elem, FILE * output, |
| const xmlChar * name ATTRIBUTE_UNUSED, |
| const xmlChar * context ATTRIBUTE_UNUSED, |
| const xmlChar * namespace ATTRIBUTE_UNUSED) |
| { |
| if (elem == NULL) |
| return; |
| |
| fprintf(output, "Element "); |
| if (elem->flags & XML_SCHEMAS_ELEM_GLOBAL) |
| fprintf(output, "global "); |
| fprintf(output, ": %s ", elem->name); |
| if (namespace != NULL) |
| fprintf(output, "namespace '%s' ", namespace); |
| |
| if (elem->flags & XML_SCHEMAS_ELEM_NILLABLE) |
| fprintf(output, "nillable "); |
| if (elem->flags & XML_SCHEMAS_ELEM_DEFAULT) |
| fprintf(output, "default "); |
| if (elem->flags & XML_SCHEMAS_ELEM_FIXED) |
| fprintf(output, "fixed "); |
| if (elem->flags & XML_SCHEMAS_ELEM_ABSTRACT) |
| fprintf(output, "abstract "); |
| if (elem->flags & XML_SCHEMAS_ELEM_REF) |
| fprintf(output, "ref '%s' ", elem->ref); |
| if (elem->id != NULL) |
| fprintf(output, "id '%s' ", elem->id); |
| fprintf(output, "\n"); |
| if ((elem->minOccurs != 1) || (elem->maxOccurs != 1)) { |
| fprintf(output, " "); |
| if (elem->minOccurs != 1) |
| fprintf(output, "min: %d ", elem->minOccurs); |
| if (elem->maxOccurs >= UNBOUNDED) |
| fprintf(output, "max: unbounded\n"); |
| else if (elem->maxOccurs != 1) |
| fprintf(output, "max: %d\n", elem->maxOccurs); |
| else |
| fprintf(output, "\n"); |
| } |
| if (elem->namedType != NULL) { |
| fprintf(output, " type: %s", elem->namedType); |
| if (elem->namedTypeNs != NULL) |
| fprintf(output, " ns %s\n", elem->namedTypeNs); |
| else |
| fprintf(output, "\n"); |
| } |
| if (elem->substGroup != NULL) { |
| fprintf(output, " substitutionGroup: %s", elem->substGroup); |
| if (elem->substGroupNs != NULL) |
| fprintf(output, " ns %s\n", elem->substGroupNs); |
| else |
| fprintf(output, "\n"); |
| } |
| if (elem->value != NULL) |
| fprintf(output, " default: %s", elem->value); |
| } |
| |
| /** |
| * xmlSchemaAnnotDump: |
| * @output: the file output |
| * @annot: a annotation |
| * |
| * Dump the annotation |
| */ |
| static void |
| xmlSchemaAnnotDump(FILE * output, xmlSchemaAnnotPtr annot) |
| { |
| xmlChar *content; |
| |
| if (annot == NULL) |
| return; |
| |
| content = xmlNodeGetContent(annot->content); |
| if (content != NULL) { |
| fprintf(output, " Annot: %s\n", content); |
| xmlFree(content); |
| } else |
| fprintf(output, " Annot: empty\n"); |
| } |
| |
| /** |
| * xmlSchemaTypeDump: |
| * @output: the file output |
| * @type: a type structure |
| * |
| * Dump a SchemaType structure |
| */ |
| static void |
| xmlSchemaTypeDump(xmlSchemaTypePtr type, FILE * output) |
| { |
| if (type == NULL) { |
| fprintf(output, "Type: NULL\n"); |
| return; |
| } |
| fprintf(output, "Type: "); |
| if (type->name != NULL) |
| fprintf(output, "%s, ", type->name); |
| else |
| fprintf(output, "no name"); |
| switch (type->type) { |
| case XML_SCHEMA_TYPE_BASIC: |
| fprintf(output, "basic "); |
| break; |
| case XML_SCHEMA_TYPE_SIMPLE: |
| fprintf(output, "simple "); |
| break; |
| case XML_SCHEMA_TYPE_COMPLEX: |
| fprintf(output, "complex "); |
| break; |
| case XML_SCHEMA_TYPE_SEQUENCE: |
| fprintf(output, "sequence "); |
| break; |
| case XML_SCHEMA_TYPE_CHOICE: |
| fprintf(output, "choice "); |
| break; |
| case XML_SCHEMA_TYPE_ALL: |
| fprintf(output, "all "); |
| break; |
| case XML_SCHEMA_TYPE_UR: |
| fprintf(output, "ur "); |
| break; |
| case XML_SCHEMA_TYPE_RESTRICTION: |
| fprintf(output, "restriction "); |
| break; |
| case XML_SCHEMA_TYPE_EXTENSION: |
| fprintf(output, "extension "); |
| break; |
| default: |
| fprintf(output, "unknowntype%d ", type->type); |
| break; |
| } |
| if (type->base != NULL) { |
| fprintf(output, "base %s, ", type->base); |
| } |
| switch (type->contentType) { |
| case XML_SCHEMA_CONTENT_UNKNOWN: |
| fprintf(output, "unknown "); |
| break; |
| case XML_SCHEMA_CONTENT_EMPTY: |
| fprintf(output, "empty "); |
| break; |
| case XML_SCHEMA_CONTENT_ELEMENTS: |
| fprintf(output, "element "); |
| break; |
| case XML_SCHEMA_CONTENT_MIXED: |
| fprintf(output, "mixed "); |
| break; |
| case XML_SCHEMA_CONTENT_MIXED_OR_ELEMENTS: |
| fprintf(output, "mixed_or_elems "); |
| break; |
| case XML_SCHEMA_CONTENT_BASIC: |
| fprintf(output, "basic "); |
| break; |
| case XML_SCHEMA_CONTENT_SIMPLE: |
| fprintf(output, "simple "); |
| break; |
| case XML_SCHEMA_CONTENT_ANY: |
| fprintf(output, "any "); |
| break; |
| } |
| fprintf(output, "\n"); |
| if ((type->minOccurs != 1) || (type->maxOccurs != 1)) { |
| fprintf(output, " "); |
| if (type->minOccurs != 1) |
| fprintf(output, "min: %d ", type->minOccurs); |
| if (type->maxOccurs >= UNBOUNDED) |
| fprintf(output, "max: unbounded\n"); |
| else if (type->maxOccurs != 1) |
| fprintf(output, "max: %d\n", type->maxOccurs); |
| else |
| fprintf(output, "\n"); |
| } |
| if (type->annot != NULL) |
| xmlSchemaAnnotDump(output, type->annot); |
| if (type->subtypes != NULL) { |
| xmlSchemaTypePtr sub = type->subtypes; |
| |
| fprintf(output, " subtypes: "); |
| while (sub != NULL) { |
| fprintf(output, "%s ", sub->name); |
| sub = sub->next; |
| } |
| fprintf(output, "\n"); |
| } |
| |
| } |
| |
| /** |
| * xmlSchemaDump: |
| * @output: the file output |
| * @schema: a schema structure |
| * |
| * Dump a Schema structure. |
| */ |
| void |
| xmlSchemaDump(FILE * output, xmlSchemaPtr schema) |
| { |
| if (schema == NULL) { |
| fprintf(output, "Schemas: NULL\n"); |
| return; |
| } |
| fprintf(output, "Schemas: "); |
| if (schema->name != NULL) |
| fprintf(output, "%s, ", schema->name); |
| else |
| fprintf(output, "no name, "); |
| if (schema->targetNamespace != NULL) |
| fprintf(output, "%s", (const char *) schema->targetNamespace); |
| else |
| fprintf(output, "no target namespace"); |
| fprintf(output, "\n"); |
| if (schema->annot != NULL) |
| xmlSchemaAnnotDump(output, schema->annot); |
| |
| xmlHashScan(schema->typeDecl, (xmlHashScanner) xmlSchemaTypeDump, |
| output); |
| xmlHashScanFull(schema->elemDecl, |
| (xmlHashScannerFull) xmlSchemaElementDump, output); |
| } |
| #endif /* LIBXML_OUTPUT_ENABLED */ |
| |
| /************************************************************************ |
| * * |
| * Utilities * |
| * * |
| ************************************************************************/ |
| |
| /** |
| * xmlSchemaGetProp: |
| * @ctxt: the parser context |
| * @node: the node |
| * @name: the property name |
| * |
| * Read a attribute value and internalize the string |
| * |
| * Returns the string or NULL if not present. |
| */ |
| static const xmlChar * |
| xmlSchemaGetProp(xmlSchemaParserCtxtPtr ctxt, xmlNodePtr node, |
| const char *name) |
| { |
| xmlChar *val; |
| const xmlChar *ret; |
| |
| val = xmlGetProp(node, BAD_CAST name); |
| if (val == NULL) |
| return(NULL); |
| ret = xmlDictLookup(ctxt->dict, val, -1); |
| xmlFree(val); |
| return(ret); |
| } |
| |
| #if 0 |
| /** |
| * xmlSchemaGetNamespace: |
| * @ctxt: the parser context |
| * @schema: the schemas containing the declaration |
| * @node: the node |
| * @qname: the QName to analyze |
| * |
| * Find the namespace name for the given declaration. |
| * |
| * Returns the local name for that declaration, as well as the namespace name |
| * NOTE: This function is no longer used (Buchcik, May '04) |
| */ |
| static const xmlChar * |
| xmlSchemaGetNamespace(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, |
| xmlNodePtr node, const xmlChar *qname, |
| const xmlChar **namespace) { |
| int len; |
| const xmlChar *name, *prefix, *def = NULL; |
| xmlNsPtr ns; |
| |
| *namespace = NULL; |
| |
| /* TODO: The following seems to be not correct here: |
| * 1. The name of a declaration is a NCName, not a QName. |
| * 2. The attribute "targetNamespace" is allowed for the |
| * <schema> Element Information Item only. |
| * 3. One cannot evaluate the target namespace, by the type |
| * of declaration, since it is dependant on the xxxFormDefault |
| * of <schema> and the form attribute of an <element> or <attribute>. |
| */ |
| |
| if (xmlStrEqual(node->name, BAD_CAST "element") || |
| xmlStrEqual(node->name, BAD_CAST "attribute") || |
| xmlStrEqual(node->name, BAD_CAST "simpleType") || |
| xmlStrEqual(node->name, BAD_CAST "complexType")) { |
| def = xmlSchemaGetProp(ctxt, node, "targetNamespace"); |
| } |
| |
| |
| qname = xmlDictLookup(ctxt->dict, qname, -1); /* intern the string */ |
| name = xmlSplitQName3(qname, &len); |
| if (name == NULL) { |
| if (def == NULL) { |
| if (xmlStrEqual(node->name, BAD_CAST "element")) { |
| if (schema->flags & XML_SCHEMAS_QUALIF_ELEM) |
| *namespace = schema->targetNamespace; |
| } else if (xmlStrEqual(node->name, BAD_CAST "attribute")) { |
| if (schema->flags & XML_SCHEMAS_QUALIF_ATTR) |
| *namespace = schema->targetNamespace; |
| } else if ((xmlStrEqual(node->name, BAD_CAST "simpleType")) || |
| (xmlStrEqual(node->name, BAD_CAST "complexType"))) { |
| *namespace = schema->targetNamespace; |
| } |
| } else { |
| *namespace = def; |
| } |
| return(qname); |
| } |
| |
| name = xmlDictLookup(ctxt->dict, name, -1); |
| prefix = xmlDictLookup(ctxt->dict, qname, len); |
| if (def != NULL) { |
| xmlSchemaPErr(ctxt, node, XML_SCHEMAP_DEF_AND_PREFIX, |
| "%s: presence of both prefix %s and targetNamespace\n", |
| node->name, prefix); |
| } |
| ns = xmlSearchNs(node->doc, node, prefix); |
| if (ns == NULL) { |
| xmlSchemaPErr(ctxt, node, XML_SCHEMAP_PREFIX_UNDEFINED, |
| "%s: the QName prefix %s is undefined\n", |
| node->name, prefix); |
| return(name); |
| } |
| *namespace = xmlDictLookup(ctxt->dict, ns->href, -1); |
| return(name); |
| } |
| #endif |
| |
| /************************************************************************ |
| * * |
| * Parsing functions * |
| * * |
| ************************************************************************/ |
| |
| /** |
| * xmlSchemaGetElem: |
| * @schema: the schemas context |
| * @name: the element name |
| * @ns: the element namespace |
| * @level: how deep is the request |
| * |
| * Lookup a an element in the schemas or the accessible schemas |
| * |
| * Returns the element definition or NULL if not found. |
| */ |
| static xmlSchemaElementPtr |
| xmlSchemaGetElem(xmlSchemaPtr schema, const xmlChar * name, |
| const xmlChar * namespace, int level) |
| { |
| xmlSchemaElementPtr ret; |
| xmlSchemaImportPtr import = NULL; |
| |
| if ((name == NULL) || (schema == NULL)) |
| return (NULL); |
| |
| |
| ret = xmlHashLookup2(schema->elemDecl, name, namespace); |
| if ((ret != NULL) && |
| ((level == 0) || (ret->flags & XML_SCHEMAS_ELEM_GLOBAL))) { |
| return (ret); |
| } else |
| ret = NULL; |
| /* |
| * This one was removed, since top level element declarations have |
| * the target namespace specified in targetNamespace of the <schema> |
| * information element, even if elementFormDefault is "unqualified". |
| */ |
| |
| /* else if ((schema->flags & XML_SCHEMAS_QUALIF_ELEM) == 0) { |
| if (xmlStrEqual(namespace, schema->targetNamespace)) |
| ret = xmlHashLookup2(schema->elemDecl, name, NULL); |
| else |
| ret = xmlHashLookup2(schema->elemDecl, name, namespace); |
| if ((ret != NULL) && |
| ((level == 0) || (ret->flags & XML_SCHEMAS_ELEM_TOPLEVEL))) { |
| return (ret); |
| } |
| */ |
| |
| /* if (level > 0) */ |
| if (namespace == NULL) |
| import = xmlHashLookup(schema->schemasImports, XML_SCHEMAS_DEFAULT_NAMESPACE); |
| else |
| import = xmlHashLookup(schema->schemasImports, namespace); |
| if (import != NULL) { |
| ret = xmlSchemaGetElem(import->schema, name, namespace, level + 1); |
| if ((ret != NULL) && (ret->flags & XML_SCHEMAS_ELEM_GLOBAL)) { |
| return (ret); |
| } else |
| ret = NULL; |
| } |
| #ifdef DEBUG |
| if (ret == NULL) { |
| if (namespace == NULL) |
| fprintf(stderr, "Unable to lookup type %s", name); |
| else |
| fprintf(stderr, "Unable to lookup type %s:%s", name, |
| namespace); |
| } |
| #endif |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaGetType: |
| * @schema: the schemas context |
| * @name: the type name |
| * @ns: the type namespace |
| * |
| * Lookup a type in the schemas or the predefined types |
| * |
| * Returns the group definition or NULL if not found. |
| */ |
| static xmlSchemaTypePtr |
| xmlSchemaGetType(xmlSchemaPtr schema, const xmlChar * name, |
| const xmlChar * namespace) |
| { |
| xmlSchemaTypePtr ret; |
| xmlSchemaImportPtr import; |
| |
| if (name == NULL) |
| return (NULL); |
| if (schema != NULL) { |
| ret = xmlHashLookup2(schema->typeDecl, name, namespace); |
| if ((ret != NULL) && (ret->flags & XML_SCHEMAS_TYPE_GLOBAL)) |
| return (ret); |
| } |
| ret = xmlSchemaGetPredefinedType(name, namespace); |
| if (ret != NULL) |
| return (ret); |
| if (namespace == NULL) |
| import = xmlHashLookup(schema->schemasImports, XML_SCHEMAS_DEFAULT_NAMESPACE); |
| else |
| import = xmlHashLookup(schema->schemasImports, namespace); |
| if (import != NULL) { |
| ret = xmlSchemaGetType(import->schema, name, namespace); |
| if ((ret != NULL) && (ret->flags & XML_SCHEMAS_TYPE_GLOBAL)) { |
| return (ret); |
| } else |
| ret = NULL; |
| } |
| #ifdef DEBUG |
| if (ret == NULL) { |
| if (namespace == NULL) |
| fprintf(stderr, "Unable to lookup type %s", name); |
| else |
| fprintf(stderr, "Unable to lookup type %s:%s", name, |
| namespace); |
| } |
| #endif |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaGetAttribute: |
| * @schema: the context of the schema |
| * @name: the name of the attribute |
| * @ns: the target namespace of the attribute |
| * |
| * Lookup a an attribute in the schema or imported schemas |
| * |
| * Returns the attribute declaration or NULL if not found. |
| */ |
| static xmlSchemaAttributePtr |
| xmlSchemaGetAttribute(xmlSchemaPtr schema, const xmlChar * name, |
| const xmlChar * namespace) |
| { |
| xmlSchemaAttributePtr ret; |
| xmlSchemaImportPtr import = NULL; |
| |
| if ((name == NULL) || (schema == NULL)) |
| return (NULL); |
| |
| |
| ret = xmlHashLookup2(schema->attrDecl, name, namespace); |
| if ((ret != NULL) && (ret->flags & XML_SCHEMAS_ATTR_GLOBAL)) |
| return (ret); |
| else |
| ret = NULL; |
| if (namespace == NULL) |
| import = xmlHashLookup(schema->schemasImports, XML_SCHEMAS_DEFAULT_NAMESPACE); |
| else |
| import = xmlHashLookup(schema->schemasImports, namespace); |
| if (import != NULL) { |
| ret = xmlSchemaGetAttribute(import->schema, name, namespace); |
| if ((ret != NULL) && (ret->flags & XML_SCHEMAS_ATTR_GLOBAL)) { |
| return (ret); |
| } else |
| ret = NULL; |
| } |
| #ifdef DEBUG |
| if (ret == NULL) { |
| if (namespace == NULL) |
| fprintf(stderr, "Unable to lookup attribute %s", name); |
| else |
| fprintf(stderr, "Unable to lookup attribute %s:%s", name, |
| namespace); |
| } |
| #endif |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaGetAttributeGroup: |
| * @schema: the context of the schema |
| * @name: the name of the attribute group |
| * @ns: the target namespace of the attribute group |
| * |
| * Lookup a an attribute group in the schema or imported schemas |
| * |
| * Returns the attribute group definition or NULL if not found. |
| */ |
| static xmlSchemaAttributeGroupPtr |
| xmlSchemaGetAttributeGroup(xmlSchemaPtr schema, const xmlChar * name, |
| const xmlChar * namespace) |
| { |
| xmlSchemaAttributeGroupPtr ret; |
| xmlSchemaImportPtr import = NULL; |
| |
| if ((name == NULL) || (schema == NULL)) |
| return (NULL); |
| |
| |
| ret = xmlHashLookup2(schema->attrgrpDecl, name, namespace); |
| if ((ret != NULL) && (ret->flags & XML_SCHEMAS_ATTRGROUP_GLOBAL)) |
| return (ret); |
| else |
| ret = NULL; |
| if (namespace == NULL) |
| import = xmlHashLookup(schema->schemasImports, XML_SCHEMAS_DEFAULT_NAMESPACE); |
| else |
| import = xmlHashLookup(schema->schemasImports, namespace); |
| if (import != NULL) { |
| ret = xmlSchemaGetAttributeGroup(import->schema, name, namespace); |
| if ((ret != NULL) && (ret->flags & XML_SCHEMAS_ATTRGROUP_GLOBAL)) |
| return (ret); |
| else |
| ret = NULL; |
| } |
| #ifdef DEBUG |
| if (ret == NULL) { |
| if (namespace == NULL) |
| fprintf(stderr, "Unable to lookup attribute group %s", name); |
| else |
| fprintf(stderr, "Unable to lookup attribute group %s:%s", name, |
| namespace); |
| } |
| #endif |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaGetGroup: |
| * @schema: the context of the schema |
| * @name: the name of the group |
| * @ns: the target namespace of the group |
| * |
| * Lookup a group in the schema or imported schemas |
| * |
| * Returns the group definition or NULL if not found. |
| */ |
| static xmlSchemaTypePtr |
| xmlSchemaGetGroup(xmlSchemaPtr schema, const xmlChar * name, |
| const xmlChar * namespace) |
| { |
| xmlSchemaTypePtr ret; |
| xmlSchemaImportPtr import = NULL; |
| |
| if ((name == NULL) || (schema == NULL)) |
| return (NULL); |
| |
| |
| ret = xmlHashLookup2(schema->groupDecl, name, namespace); |
| if ((ret != NULL) && (ret->flags & XML_SCHEMAS_TYPE_GLOBAL)) |
| return (ret); |
| else |
| ret = NULL; |
| if (namespace == NULL) |
| import = xmlHashLookup(schema->schemasImports, XML_SCHEMAS_DEFAULT_NAMESPACE); |
| else |
| import = xmlHashLookup(schema->schemasImports, namespace); |
| if (import != NULL) { |
| ret = xmlSchemaGetGroup(import->schema, name, namespace); |
| if ((ret != NULL) && (ret->flags & XML_SCHEMAS_TYPE_GLOBAL)) |
| return (ret); |
| else |
| ret = NULL; |
| } |
| #ifdef DEBUG |
| if (ret == NULL) { |
| if (namespace == NULL) |
| fprintf(stderr, "Unable to lookup group %s", name); |
| else |
| fprintf(stderr, "Unable to lookup group %s:%s", name, |
| namespace); |
| } |
| #endif |
| return (ret); |
| } |
| |
| /************************************************************************ |
| * * |
| * Parsing functions * |
| * * |
| ************************************************************************/ |
| |
| #define IS_BLANK_NODE(n) \ |
| (((n)->type == XML_TEXT_NODE) && (xmlSchemaIsBlank((n)->content))) |
| |
| /** |
| * xmlSchemaIsBlank: |
| * @str: a string |
| * |
| * Check if a string is ignorable |
| * |
| * Returns 1 if the string is NULL or made of blanks chars, 0 otherwise |
| */ |
| static int |
| xmlSchemaIsBlank(xmlChar * str) |
| { |
| if (str == NULL) |
| return (1); |
| while (*str != 0) { |
| if (!(IS_BLANK_CH(*str))) |
| return (0); |
| str++; |
| } |
| return (1); |
| } |
| |
| /** |
| * xmlSchemaAddNotation: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @name: the item name |
| * |
| * Add an XML schema Attrribute declaration |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns the new struture or NULL in case of error |
| */ |
| static xmlSchemaNotationPtr |
| xmlSchemaAddNotation(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, |
| const xmlChar * name) |
| { |
| xmlSchemaNotationPtr ret = NULL; |
| int val; |
| |
| if ((ctxt == NULL) || (schema == NULL) || (name == NULL)) |
| return (NULL); |
| |
| if (schema->notaDecl == NULL) |
| schema->notaDecl = xmlHashCreate(10); |
| if (schema->notaDecl == NULL) |
| return (NULL); |
| |
| ret = (xmlSchemaNotationPtr) xmlMalloc(sizeof(xmlSchemaNotation)); |
| if (ret == NULL) { |
| xmlSchemaPErrMemory(ctxt, "add annotation", NULL); |
| return (NULL); |
| } |
| memset(ret, 0, sizeof(xmlSchemaNotation)); |
| ret->name = xmlDictLookup(ctxt->dict, name, -1); |
| val = xmlHashAddEntry2(schema->notaDecl, name, schema->targetNamespace, |
| ret); |
| if (val != 0) { |
| xmlSchemaPErr(ctxt, (xmlNodePtr) ctxt->doc, |
| XML_SCHEMAP_REDEFINED_NOTATION, |
| "Notation %s already defined\n", |
| name, NULL); |
| xmlFree(ret); |
| return (NULL); |
| } |
| return (ret); |
| } |
| |
| |
| /** |
| * xmlSchemaAddAttribute: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @name: the item name |
| * @namespace: the namespace |
| * |
| * Add an XML schema Attrribute declaration |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns the new struture or NULL in case of error |
| */ |
| static xmlSchemaAttributePtr |
| xmlSchemaAddAttribute(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, |
| const xmlChar * name, const xmlChar * namespace) |
| { |
| xmlSchemaAttributePtr ret = NULL; |
| int val; |
| |
| if ((ctxt == NULL) || (schema == NULL) || (name == NULL)) |
| return (NULL); |
| |
| #ifdef DEBUG |
| fprintf(stderr, "Adding attribute %s\n", name); |
| if (namespace != NULL) |
| fprintf(stderr, " target namespace %s\n", namespace); |
| #endif |
| |
| if (schema->attrDecl == NULL) |
| schema->attrDecl = xmlHashCreate(10); |
| if (schema->attrDecl == NULL) |
| return (NULL); |
| |
| ret = (xmlSchemaAttributePtr) xmlMalloc(sizeof(xmlSchemaAttribute)); |
| if (ret == NULL) { |
| xmlSchemaPErrMemory(ctxt, "allocating attribute", NULL); |
| return (NULL); |
| } |
| memset(ret, 0, sizeof(xmlSchemaAttribute)); |
| ret->name = xmlDictLookup(ctxt->dict, name, -1); |
| ret->targetNamespace = xmlDictLookup(ctxt->dict, namespace, -1); |
| val = xmlHashAddEntry3(schema->attrDecl, name, |
| schema->targetNamespace, ctxt->container, ret); |
| if (val != 0) { |
| xmlSchemaPErr(ctxt, (xmlNodePtr) ctxt->doc, |
| XML_SCHEMAP_REDEFINED_ATTR, |
| "Attribute %s already defined\n", |
| name, NULL); |
| xmlFree(ret); |
| return (NULL); |
| } |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaAddAttributeGroup: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @name: the item name |
| * |
| * Add an XML schema Attrribute Group declaration |
| * |
| * Returns the new struture or NULL in case of error |
| */ |
| static xmlSchemaAttributeGroupPtr |
| xmlSchemaAddAttributeGroup(xmlSchemaParserCtxtPtr ctxt, |
| xmlSchemaPtr schema, const xmlChar * name) |
| { |
| xmlSchemaAttributeGroupPtr ret = NULL; |
| int val; |
| |
| if ((ctxt == NULL) || (schema == NULL) || (name == NULL)) |
| return (NULL); |
| |
| if (schema->attrgrpDecl == NULL) |
| schema->attrgrpDecl = xmlHashCreate(10); |
| if (schema->attrgrpDecl == NULL) |
| return (NULL); |
| |
| ret = |
| (xmlSchemaAttributeGroupPtr) |
| xmlMalloc(sizeof(xmlSchemaAttributeGroup)); |
| if (ret == NULL) { |
| xmlSchemaPErrMemory(ctxt, "allocating attribute group", NULL); |
| return (NULL); |
| } |
| memset(ret, 0, sizeof(xmlSchemaAttributeGroup)); |
| ret->name = xmlDictLookup(ctxt->dict, name, -1); |
| val = xmlHashAddEntry3(schema->attrgrpDecl, name, |
| schema->targetNamespace, ctxt->container, ret); |
| if (val != 0) { |
| xmlSchemaPErr(ctxt, (xmlNodePtr) ctxt->doc, |
| XML_SCHEMAP_REDEFINED_ATTRGROUP, |
| "Attribute group %s already defined\n", |
| name, NULL); |
| xmlFree(ret); |
| return (NULL); |
| } |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaAddElement: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @name: the type name |
| * @namespace: the type namespace |
| * |
| * Add an XML schema Element declaration |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns the new struture or NULL in case of error |
| */ |
| static xmlSchemaElementPtr |
| xmlSchemaAddElement(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, |
| const xmlChar * name, const xmlChar * namespace) |
| { |
| xmlSchemaElementPtr ret = NULL; |
| int val; |
| |
| if ((ctxt == NULL) || (schema == NULL) || (name == NULL)) |
| return (NULL); |
| |
| #ifdef DEBUG |
| fprintf(stderr, "Adding element %s\n", name); |
| if (namespace != NULL) |
| fprintf(stderr, " target namespace %s\n", namespace); |
| #endif |
| |
| if (schema->elemDecl == NULL) |
| schema->elemDecl = xmlHashCreate(10); |
| if (schema->elemDecl == NULL) |
| return (NULL); |
| |
| ret = (xmlSchemaElementPtr) xmlMalloc(sizeof(xmlSchemaElement)); |
| if (ret == NULL) { |
| xmlSchemaPErrMemory(ctxt, "allocating element", NULL); |
| return (NULL); |
| } |
| memset(ret, 0, sizeof(xmlSchemaElement)); |
| ret->name = xmlDictLookup(ctxt->dict, name, -1); |
| ret->targetNamespace = xmlDictLookup(ctxt->dict, namespace, -1); |
| val = xmlHashAddEntry3(schema->elemDecl, name, |
| namespace, ctxt->container, ret); |
| if (val != 0) { |
| char buf[100]; |
| |
| snprintf(buf, 99, "privatieelem %d", ctxt->counter++ + 1); |
| val = xmlHashAddEntry3(schema->elemDecl, name, (xmlChar *) buf, |
| namespace, ret); |
| if (val != 0) { |
| xmlSchemaPErr(ctxt, (xmlNodePtr) ctxt->doc, |
| XML_SCHEMAP_REDEFINED_ELEMENT, |
| "Element %s already defined\n", |
| name, NULL); |
| xmlFree(ret); |
| return (NULL); |
| } |
| } |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaAddType: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @name: the item name |
| * @namespace: the namespace |
| * |
| * Add an XML schema Simple Type definition |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns the new struture or NULL in case of error |
| */ |
| static xmlSchemaTypePtr |
| xmlSchemaAddType(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, |
| const xmlChar * name, const xmlChar * namespace) |
| { |
| xmlSchemaTypePtr ret = NULL; |
| int val; |
| |
| if ((ctxt == NULL) || (schema == NULL) || (name == NULL)) |
| return (NULL); |
| |
| #ifdef DEBUG |
| fprintf(stderr, "Adding type %s\n", name); |
| if (namespace != NULL) |
| fprintf(stderr, " target namespace %s\n", namespace); |
| #endif |
| |
| if (schema->typeDecl == NULL) |
| schema->typeDecl = xmlHashCreate(10); |
| if (schema->typeDecl == NULL) |
| return (NULL); |
| |
| ret = (xmlSchemaTypePtr) xmlMalloc(sizeof(xmlSchemaType)); |
| if (ret == NULL) { |
| xmlSchemaPErrMemory(ctxt, "allocating type", NULL); |
| return (NULL); |
| } |
| memset(ret, 0, sizeof(xmlSchemaType)); |
| ret->name = xmlDictLookup(ctxt->dict, name, -1); |
| ret->redef = NULL; |
| val = xmlHashAddEntry2(schema->typeDecl, name, namespace, ret); |
| if (val != 0) { |
| if (ctxt->includes == 0) { |
| xmlSchemaPErr(ctxt, (xmlNodePtr) ctxt->doc, |
| XML_SCHEMAP_REDEFINED_TYPE, |
| "Type %s already defined\n", |
| name, NULL); |
| xmlFree(ret); |
| return (NULL); |
| } else { |
| xmlSchemaTypePtr prev; |
| |
| prev = xmlHashLookup2(schema->typeDecl, name, namespace); |
| if (prev == NULL) { |
| xmlSchemaPErr(ctxt, (xmlNodePtr) ctxt->doc, |
| XML_ERR_INTERNAL_ERROR, |
| "Internal error on type %s definition\n", |
| name, NULL); |
| xmlFree(ret); |
| return (NULL); |
| } |
| ret->redef = prev->redef; |
| prev->redef = ret; |
| } |
| } |
| ret->minOccurs = 1; |
| ret->maxOccurs = 1; |
| ret->attributeUses = NULL; |
| ret->attributeWildcard = NULL; |
| |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaAddGroup: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @name: the group name |
| * |
| * Add an XML schema Group definition |
| * |
| * Returns the new struture or NULL in case of error |
| */ |
| static xmlSchemaTypePtr |
| xmlSchemaAddGroup(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, |
| const xmlChar * name) |
| { |
| xmlSchemaTypePtr ret = NULL; |
| int val; |
| |
| if ((ctxt == NULL) || (schema == NULL) || (name == NULL)) |
| return (NULL); |
| |
| if (schema->groupDecl == NULL) |
| schema->groupDecl = xmlHashCreate(10); |
| if (schema->groupDecl == NULL) |
| return (NULL); |
| |
| ret = (xmlSchemaTypePtr) xmlMalloc(sizeof(xmlSchemaType)); |
| if (ret == NULL) { |
| xmlSchemaPErrMemory(ctxt, "adding group", NULL); |
| return (NULL); |
| } |
| memset(ret, 0, sizeof(xmlSchemaType)); |
| ret->name = xmlDictLookup(ctxt->dict, name, -1); |
| val = |
| xmlHashAddEntry2(schema->groupDecl, name, schema->targetNamespace, |
| ret); |
| if (val != 0) { |
| xmlSchemaPErr(ctxt, (xmlNodePtr) ctxt->doc, |
| XML_SCHEMAP_REDEFINED_GROUP, |
| "Group %s already defined\n", |
| name, NULL); |
| xmlFree(ret); |
| return (NULL); |
| } |
| ret->minOccurs = 1; |
| ret->maxOccurs = 1; |
| |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaNewWildcardNs: |
| * @ctxt: a schema validation context |
| * |
| * Creates a new wildcard namespace constraint. |
| * |
| * Returns the new struture or NULL in case of error |
| */ |
| static xmlSchemaWildcardNsPtr |
| xmlSchemaNewWildcardNsConstraint(xmlSchemaParserCtxtPtr ctxt) |
| { |
| xmlSchemaWildcardNsPtr ret; |
| |
| ret = (xmlSchemaWildcardNsPtr) |
| xmlMalloc(sizeof(xmlSchemaWildcardNs)); |
| if (ret == NULL) { |
| xmlSchemaPErrMemory(ctxt, "creating wildcard namespace constraint", NULL); |
| return (NULL); |
| } |
| ret->value = NULL; |
| ret->next = NULL; |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaAddWildcard: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @name: the group name |
| * |
| * Add an XML schema Group definition |
| * |
| * Returns the new struture or NULL in case of error |
| */ |
| static xmlSchemaWildcardPtr |
| xmlSchemaAddWildcard(xmlSchemaParserCtxtPtr ctxt) |
| { |
| xmlSchemaWildcardPtr ret = NULL; |
| |
| if (ctxt == NULL) |
| return (NULL); |
| |
| ret = (xmlSchemaWildcardPtr) xmlMalloc(sizeof(xmlSchemaWildcard)); |
| if (ret == NULL) { |
| xmlSchemaPErrMemory(ctxt, "adding wildcard", NULL); |
| return (NULL); |
| } |
| memset(ret, 0, sizeof(xmlSchemaWildcard)); |
| ret->minOccurs = 1; |
| ret->maxOccurs = 1; |
| |
| return (ret); |
| } |
| |
| /************************************************************************ |
| * * |
| * Utilities for parsing * |
| * * |
| ************************************************************************/ |
| |
| /** |
| * xmlGetQNameProp: |
| * @ctxt: a schema validation context |
| * @node: a subtree containing XML Schema informations |
| * @name: the attribute name |
| * @namespace: the result namespace if any |
| * |
| * Extract a QName Attribute value |
| * |
| * Returns the NCName or NULL if not found, and also update @namespace |
| * with the namespace URI |
| */ |
| static const xmlChar * |
| xmlGetQNameProp(xmlSchemaParserCtxtPtr ctxt, xmlNodePtr node, |
| const char *name, const xmlChar ** namespace) |
| { |
| const xmlChar *val; |
| xmlNsPtr ns; |
| const xmlChar *ret, *prefix; |
| int len; |
| |
| *namespace = NULL; |
| val = xmlSchemaGetProp(ctxt, node, name); |
| if (val == NULL) |
| return (NULL); |
| |
| if (!strchr((char *) val, ':')) { |
| ns = xmlSearchNs(node->doc, node, 0); |
| if (ns) { |
| *namespace = xmlDictLookup(ctxt->dict, ns->href, -1); |
| return (val); |
| } |
| } |
| ret = xmlSplitQName3(val, &len); |
| if (ret == NULL) { |
| return (val); |
| } |
| ret = xmlDictLookup(ctxt->dict, ret, -1); |
| prefix = xmlDictLookup(ctxt->dict, val, len); |
| |
| ns = xmlSearchNs(node->doc, node, prefix); |
| if (ns == NULL) { |
| xmlSchemaPErr(ctxt, node, XML_SCHEMAP_PREFIX_UNDEFINED, |
| "Attribute %s: the QName prefix %s is undefined\n", |
| (const xmlChar *) name, prefix); |
| } else { |
| *namespace = xmlDictLookup(ctxt->dict, ns->href, -1); |
| } |
| return (ret); |
| } |
| |
| /** |
| * xmlGetMaxOccurs: |
| * @ctxt: a schema validation context |
| * @node: a subtree containing XML Schema informations |
| * |
| * Get the maxOccurs property |
| * |
| * Returns the default if not found, or the value |
| */ |
| static int |
| xmlGetMaxOccurs(xmlSchemaParserCtxtPtr ctxt, xmlNodePtr node) |
| { |
| const xmlChar *val, *cur; |
| int ret = 0; |
| |
| val = xmlSchemaGetProp(ctxt, node, "maxOccurs"); |
| if (val == NULL) |
| return (1); |
| |
| if (xmlStrEqual(val, (const xmlChar *) "unbounded")) { |
| return (UNBOUNDED); /* encoding it with -1 might be another option */ |
| } |
| |
| cur = val; |
| while (IS_BLANK_CH(*cur)) |
| cur++; |
| while ((*cur >= '0') && (*cur <= '9')) { |
| ret = ret * 10 + (*cur - '0'); |
| cur++; |
| } |
| while (IS_BLANK_CH(*cur)) |
| cur++; |
| if (*cur != 0) { |
| xmlSchemaPErr(ctxt, node, XML_SCHEMAP_INVALID_MAXOCCURS, |
| "invalid value for maxOccurs: %s\n", val, NULL); |
| return (1); |
| } |
| return (ret); |
| } |
| |
| /** |
| * xmlGetMinOccurs: |
| * @ctxt: a schema validation context |
| * @node: a subtree containing XML Schema informations |
| * |
| * Get the minOccurs property |
| * |
| * Returns the default if not found, or the value |
| */ |
| static int |
| xmlGetMinOccurs(xmlSchemaParserCtxtPtr ctxt, xmlNodePtr node) |
| { |
| const xmlChar *val, *cur; |
| int ret = 0; |
| |
| val = xmlSchemaGetProp(ctxt, node, "minOccurs"); |
| if (val == NULL) |
| return (1); |
| |
| cur = val; |
| while (IS_BLANK_CH(*cur)) |
| cur++; |
| while ((*cur >= '0') && (*cur <= '9')) { |
| ret = ret * 10 + (*cur - '0'); |
| cur++; |
| } |
| while (IS_BLANK_CH(*cur)) |
| cur++; |
| if (*cur != 0) { |
| xmlSchemaPErr(ctxt, node, XML_SCHEMAP_INVALID_MINOCCURS, |
| "invalid value for minOccurs: %s\n", val, NULL); |
| return (1); |
| } |
| return (ret); |
| } |
| |
| /** |
| * xmlGetBooleanProp: |
| * @ctxt: a schema validation context |
| * @node: a subtree containing XML Schema informations |
| * @name: the attribute name |
| * @def: the default value |
| * |
| * Get is a bolean property is set |
| * |
| * Returns the default if not found, 0 if found to be false, |
| * 1 if found to be true |
| */ |
| static int |
| xmlGetBooleanProp(xmlSchemaParserCtxtPtr ctxt, xmlNodePtr node, |
| const char *name, int def) |
| { |
| const xmlChar *val; |
| |
| val = xmlSchemaGetProp(ctxt, node, name); |
| if (val == NULL) |
| return (def); |
| |
| if (xmlStrEqual(val, BAD_CAST "true")) |
| def = 1; |
| else if (xmlStrEqual(val, BAD_CAST "false")) |
| def = 0; |
| else { |
| xmlSchemaPErr(ctxt, node, XML_SCHEMAP_INVALID_BOOLEAN, |
| "Attribute %s: the value %s is not boolean\n", |
| (const xmlChar *) name, val); |
| } |
| return (def); |
| } |
| |
| /************************************************************************ |
| * * |
| * Shema extraction from an Infoset * |
| * * |
| ************************************************************************/ |
| static xmlSchemaTypePtr xmlSchemaParseSimpleType(xmlSchemaParserCtxtPtr |
| ctxt, xmlSchemaPtr schema, |
| xmlNodePtr node, |
| int topLevel); |
| static xmlSchemaTypePtr xmlSchemaParseComplexType(xmlSchemaParserCtxtPtr |
| ctxt, |
| xmlSchemaPtr schema, |
| xmlNodePtr node, |
| int topLevel); |
| static xmlSchemaTypePtr xmlSchemaParseRestriction(xmlSchemaParserCtxtPtr |
| ctxt, |
| xmlSchemaPtr schema, |
| xmlNodePtr node, |
| int simple); |
| static xmlSchemaTypePtr xmlSchemaParseSequence(xmlSchemaParserCtxtPtr ctxt, |
| xmlSchemaPtr schema, |
| xmlNodePtr node); |
| static xmlSchemaTypePtr xmlSchemaParseAll(xmlSchemaParserCtxtPtr ctxt, |
| xmlSchemaPtr schema, |
| xmlNodePtr node); |
| static xmlSchemaAttributePtr xmlSchemaParseAttribute(xmlSchemaParserCtxtPtr |
| ctxt, |
| xmlSchemaPtr schema, |
| xmlNodePtr node, |
| int topLevel); |
| static xmlSchemaAttributeGroupPtr |
| xmlSchemaParseAttributeGroup(xmlSchemaParserCtxtPtr ctxt, |
| xmlSchemaPtr schema, xmlNodePtr node, |
| int topLevel); |
| static xmlSchemaTypePtr xmlSchemaParseChoice(xmlSchemaParserCtxtPtr ctxt, |
| xmlSchemaPtr schema, |
| xmlNodePtr node); |
| static xmlSchemaTypePtr xmlSchemaParseList(xmlSchemaParserCtxtPtr ctxt, |
| xmlSchemaPtr schema, |
| xmlNodePtr node); |
| static xmlSchemaWildcardPtr |
| xmlSchemaParseAnyAttribute(xmlSchemaParserCtxtPtr ctxt, |
| xmlSchemaPtr schema, xmlNodePtr node); |
| |
| /** |
| * xmlSchemaParseAttrDecls: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @node: a subtree containing XML Schema informations |
| * @type: the hosting type |
| * |
| * parse a XML schema attrDecls declaration corresponding to |
| * <!ENTITY % attrDecls |
| * '((%attribute;| %attributeGroup;)*,(%anyAttribute;)?)'> |
| */ |
| static xmlNodePtr |
| xmlSchemaParseAttrDecls(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, |
| xmlNodePtr child, xmlSchemaTypePtr type) |
| { |
| xmlSchemaAttributePtr lastattr, attr; |
| |
| lastattr = NULL; |
| while ((IS_SCHEMA(child, "attribute")) || |
| (IS_SCHEMA(child, "attributeGroup"))) { |
| attr = NULL; |
| if (IS_SCHEMA(child, "attribute")) { |
| attr = xmlSchemaParseAttribute(ctxt, schema, child, 0); |
| } else if (IS_SCHEMA(child, "attributeGroup")) { |
| attr = (xmlSchemaAttributePtr) |
| xmlSchemaParseAttributeGroup(ctxt, schema, child, 0); |
| } |
| if (attr != NULL) { |
| if (lastattr == NULL) { |
| if (type->type == XML_SCHEMA_TYPE_ATTRIBUTEGROUP) |
| ((xmlSchemaAttributeGroupPtr) type)->attributes = attr; |
| else |
| type->attributes = attr; |
| lastattr = attr; |
| } else { |
| lastattr->next = attr; |
| lastattr = attr; |
| } |
| } |
| child = child->next; |
| } |
| if (IS_SCHEMA(child, "anyAttribute")) { |
| xmlSchemaWildcardPtr wildcard; |
| |
| wildcard = xmlSchemaParseAnyAttribute(ctxt, schema, child); |
| if (wildcard != NULL) { |
| if (type->type == XML_SCHEMA_TYPE_ATTRIBUTEGROUP) |
| ((xmlSchemaAttributeGroupPtr) type)->attributeWildcard = wildcard; |
| else |
| type->attributeWildcard = wildcard; |
| } |
| child = child->next; |
| } |
| return (child); |
| } |
| |
| /** |
| * xmlSchemaParseAnnotation: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @node: a subtree containing XML Schema informations |
| * |
| * parse a XML schema Attrribute declaration |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns -1 in case of error, 0 if the declaration is improper and |
| * 1 in case of success. |
| */ |
| static xmlSchemaAnnotPtr |
| xmlSchemaParseAnnotation(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, |
| xmlNodePtr node) |
| { |
| xmlSchemaAnnotPtr ret; |
| |
| if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) |
| return (NULL); |
| ret = xmlSchemaNewAnnot(ctxt, node); |
| |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaParseFacet: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @node: a subtree containing XML Schema informations |
| * |
| * parse a XML schema Facet declaration |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns the new type structure or NULL in case of error |
| */ |
| static xmlSchemaFacetPtr |
| xmlSchemaParseFacet(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, |
| xmlNodePtr node) |
| { |
| xmlSchemaFacetPtr facet; |
| xmlNodePtr child = NULL; |
| const xmlChar *value; |
| |
| if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) |
| return (NULL); |
| |
| facet = xmlSchemaNewFacet(); |
| if (facet == NULL) { |
| xmlSchemaPErrMemory(ctxt, "allocating facet", node); |
| return (NULL); |
| } |
| facet->node = node; |
| value = xmlSchemaGetProp(ctxt, node, "value"); |
| if (value == NULL) { |
| xmlSchemaPErr2(ctxt, node, child, XML_SCHEMAP_FACET_NO_VALUE, |
| "Facet %s has no value\n", node->name, NULL); |
| xmlSchemaFreeFacet(facet); |
| return (NULL); |
| } |
| if (IS_SCHEMA(node, "minInclusive")) { |
| facet->type = XML_SCHEMA_FACET_MININCLUSIVE; |
| } else if (IS_SCHEMA(node, "minExclusive")) { |
| facet->type = XML_SCHEMA_FACET_MINEXCLUSIVE; |
| } else if (IS_SCHEMA(node, "maxInclusive")) { |
| facet->type = XML_SCHEMA_FACET_MAXINCLUSIVE; |
| } else if (IS_SCHEMA(node, "maxExclusive")) { |
| facet->type = XML_SCHEMA_FACET_MAXEXCLUSIVE; |
| } else if (IS_SCHEMA(node, "totalDigits")) { |
| facet->type = XML_SCHEMA_FACET_TOTALDIGITS; |
| } else if (IS_SCHEMA(node, "fractionDigits")) { |
| facet->type = XML_SCHEMA_FACET_FRACTIONDIGITS; |
| } else if (IS_SCHEMA(node, "pattern")) { |
| facet->type = XML_SCHEMA_FACET_PATTERN; |
| } else if (IS_SCHEMA(node, "enumeration")) { |
| facet->type = XML_SCHEMA_FACET_ENUMERATION; |
| } else if (IS_SCHEMA(node, "whiteSpace")) { |
| facet->type = XML_SCHEMA_FACET_WHITESPACE; |
| } else if (IS_SCHEMA(node, "length")) { |
| facet->type = XML_SCHEMA_FACET_LENGTH; |
| } else if (IS_SCHEMA(node, "maxLength")) { |
| facet->type = XML_SCHEMA_FACET_MAXLENGTH; |
| } else if (IS_SCHEMA(node, "minLength")) { |
| facet->type = XML_SCHEMA_FACET_MINLENGTH; |
| } else { |
| xmlSchemaPErr2(ctxt, node, child, XML_SCHEMAP_UNKNOWN_FACET_TYPE, |
| "Unknown facet type %s\n", node->name, NULL); |
| xmlSchemaFreeFacet(facet); |
| return (NULL); |
| } |
| facet->id = xmlSchemaGetProp(ctxt, node, "id"); |
| facet->value = value; |
| child = node->children; |
| |
| if (IS_SCHEMA(child, "annotation")) { |
| facet->annot = xmlSchemaParseAnnotation(ctxt, schema, child); |
| child = child->next; |
| } |
| if (child != NULL) { |
| xmlSchemaPErr2(ctxt, node, child, XML_SCHEMAP_UNKNOWN_FACET_CHILD, |
| "Facet %s has unexpected child content\n", |
| node->name, NULL); |
| } |
| return (facet); |
| } |
| |
| /** |
| * xmlSchemaParseAny: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @node: a subtree containing XML Schema informations |
| * |
| * parse a XML schema Any declaration |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns the new type structure or NULL in case of error |
| */ |
| static xmlSchemaTypePtr |
| xmlSchemaParseAny(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, |
| xmlNodePtr node) |
| { |
| xmlSchemaTypePtr type; |
| xmlNodePtr child = NULL; |
| xmlChar name[30]; |
| |
| if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) |
| return (NULL); |
| snprintf((char *) name, 30, "any %d", ctxt->counter++ + 1); |
| type = xmlSchemaAddType(ctxt, schema, name, NULL); |
| if (type == NULL) |
| return (NULL); |
| type->node = node; |
| type->type = XML_SCHEMA_TYPE_ANY; |
| child = node->children; |
| type->minOccurs = xmlGetMinOccurs(ctxt, node); |
| type->maxOccurs = xmlGetMaxOccurs(ctxt, node); |
| |
| if (IS_SCHEMA(child, "annotation")) { |
| type->annot = xmlSchemaParseAnnotation(ctxt, schema, child); |
| child = child->next; |
| } |
| if (child != NULL) { |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_UNKNOWN_SEQUENCE_CHILD, |
| "Sequence %s has unexpected content\n", type->name, |
| NULL); |
| } |
| |
| return (type); |
| } |
| |
| /** |
| * xmlSchemaParseNotation: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @node: a subtree containing XML Schema informations |
| * |
| * parse a XML schema Notation declaration |
| * |
| * Returns the new structure or NULL in case of error |
| */ |
| static xmlSchemaNotationPtr |
| xmlSchemaParseNotation(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, |
| xmlNodePtr node) |
| { |
| const xmlChar *name; |
| xmlSchemaNotationPtr ret; |
| xmlNodePtr child = NULL; |
| |
| if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) |
| return (NULL); |
| name = xmlSchemaGetProp(ctxt, node, "name"); |
| if (name == NULL) { |
| xmlSchemaPErr2(ctxt, node, child, XML_SCHEMAP_NOTATION_NO_NAME, |
| "Notation has no name\n", NULL, NULL); |
| return (NULL); |
| } |
| ret = xmlSchemaAddNotation(ctxt, schema, name); |
| if (ret == NULL) { |
| return (NULL); |
| } |
| child = node->children; |
| if (IS_SCHEMA(child, "annotation")) { |
| ret->annot = xmlSchemaParseAnnotation(ctxt, schema, child); |
| child = child->next; |
| } |
| if (child != NULL) { |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_UNKNOWN_NOTATION_CHILD, |
| "notation %s has unexpected content\n", name, NULL); |
| } |
| |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaParseAnyAttribute: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @node: a subtree containing XML Schema informations |
| * |
| * parse a XML schema AnyAttrribute declaration |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns an attribute def structure or NULL |
| */ |
| static xmlSchemaWildcardPtr |
| xmlSchemaParseAnyAttribute(xmlSchemaParserCtxtPtr ctxt, |
| xmlSchemaPtr schema, xmlNodePtr node) |
| { |
| const xmlChar *processContents, *nsConstraint, *end, *cur, *dictMember; |
| xmlChar *member; |
| xmlSchemaWildcardPtr ret; |
| xmlSchemaWildcardNsPtr tmp, lastNs = NULL; |
| xmlNodePtr child = NULL; |
| |
| if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) |
| return (NULL); |
| |
| ret = xmlSchemaAddWildcard(ctxt); |
| if (ret == NULL) { |
| return (NULL); |
| } |
| ret->type = XML_SCHEMA_TYPE_ANY_ATTRIBUTE; |
| ret->id = xmlSchemaGetProp(ctxt, node, "id"); |
| processContents = xmlSchemaGetProp(ctxt, node, "processContents"); |
| if ((processContents == NULL) |
| || (xmlStrEqual(processContents, (const xmlChar *) "strict"))) { |
| ret->processContents = XML_SCHEMAS_ANYATTR_STRICT; |
| } else if (xmlStrEqual(processContents, (const xmlChar *) "skip")) { |
| ret->processContents = XML_SCHEMAS_ANYATTR_SKIP; |
| } else if (xmlStrEqual(processContents, (const xmlChar *) "lax")) { |
| ret->processContents = XML_SCHEMAS_ANYATTR_LAX; |
| } else { |
| xmlSchemaPErr(ctxt, node, |
| XML_SCHEMAP_UNKNOWN_PROCESSCONTENT_CHILD, |
| "anyAttribute has unexpected content " |
| "for processContents: %s\n", |
| processContents, NULL); |
| ret->processContents = XML_SCHEMAS_ANYATTR_STRICT; |
| } |
| /* |
| * Build the namespace constraints. |
| */ |
| nsConstraint = xmlSchemaGetProp(ctxt, node, "namespace"); |
| if ((nsConstraint == NULL) || (xmlStrEqual(nsConstraint, BAD_CAST "##any"))) |
| ret->any = 1; |
| else if (xmlStrEqual(nsConstraint, BAD_CAST "##other")) { |
| ret->negNsSet = xmlSchemaNewWildcardNsConstraint(ctxt); |
| if (ret->negNsSet == NULL) { |
| xmlSchemaFreeWildcard(ret); |
| return (NULL); |
| } |
| ret->negNsSet->value = schema->targetNamespace; |
| } else { |
| cur = nsConstraint; |
| do { |
| while (IS_BLANK_CH(*cur)) |
| cur++; |
| end = cur; |
| while ((*end != 0) && (!(IS_BLANK_CH(*end)))) |
| end++; |
| if (end == cur) |
| break; |
| member = xmlStrndup(cur, end - cur); |
| if ((xmlStrEqual(member, BAD_CAST "##other")) || |
| (xmlStrEqual(member, BAD_CAST "##any"))) { |
| xmlSchemaPErr(ctxt, ret->node, XML_SCHEMAP_WILDCARD_INVALID_NS_MEMBER, |
| "The namespace constraint of an anyAttribute " |
| "is a set and must not contain \"%s\"\n", |
| member, NULL); |
| } else { |
| /* |
| * TODO: Validate the value (anyURI). |
| */ |
| if (xmlStrEqual(member, BAD_CAST "##targetNamespace")) { |
| dictMember = schema->targetNamespace; |
| } else if (xmlStrEqual(member, BAD_CAST "##local")) { |
| dictMember = NULL; |
| } else |
| dictMember = xmlDictLookup(ctxt->dict, member, -1); |
| /* |
| * Avoid dublicate namespaces. |
| */ |
| tmp = ret->nsSet; |
| while (tmp != NULL) { |
| if (dictMember == tmp->value) |
| break; |
| tmp = tmp->next; |
| } |
| if (tmp == NULL) { |
| tmp = xmlSchemaNewWildcardNsConstraint(ctxt); |
| if (tmp == NULL) { |
| xmlFree(member); |
| xmlSchemaFreeWildcard(ret); |
| return (NULL); |
| } |
| tmp->value = dictMember; |
| tmp->next = NULL; |
| if (ret->nsSet == NULL) |
| ret->nsSet = tmp; |
| else |
| lastNs->next = tmp; |
| lastNs = tmp; |
| } |
| |
| } |
| xmlFree(member); |
| cur = end; |
| } while (*cur != 0); |
| } |
| |
| child = node->children; |
| if (IS_SCHEMA(child, "annotation")) { |
| ret->annot = xmlSchemaParseAnnotation(ctxt, schema, child); |
| child = child->next; |
| } |
| if (child != NULL) { |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_UNKNOWN_ANYATTRIBUTE_CHILD, |
| "anyAttribute has unexpected content\n", |
| NULL, NULL); |
| } |
| |
| return (ret); |
| } |
| |
| |
| /** |
| * xmlSchemaParseAttribute: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @node: a subtree containing XML Schema informations |
| * |
| * parse a XML schema Attrribute declaration |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns the attribute declaration. |
| */ |
| static xmlSchemaAttributePtr |
| xmlSchemaParseAttribute(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, |
| xmlNodePtr node, int topLevel) |
| { |
| const xmlChar *name, *refNs = NULL, *ref = NULL, *attrVal; |
| xmlSchemaAttributePtr ret; |
| xmlNodePtr child = NULL; |
| char buf[100]; |
| int hasRefType = 0; |
| |
| /* |
| * Note that the w3c spec assumes the schema to be validated with schema |
| * for schemas beforehand. |
| * |
| * 3.2.3 Constraints on XML Representations of Attribute Declarations |
| * |
| * TODO: Complete implementation of: |
| * 3.2.6 Schema Component Constraint: Attribute Declaration Properties |
| * Correct |
| */ |
| |
| if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) |
| return (NULL); |
| |
| name = xmlSchemaGetProp(ctxt, node, "name"); |
| if (name == NULL) { |
| ref = xmlGetQNameProp(ctxt, node, "ref", &refNs); |
| /* 3.2.3 : 3.1 |
| * One of ref or name must be present, but not both |
| */ |
| if (ref == NULL) { |
| xmlSchemaPErr(ctxt, node, |
| XML_SCHEMAP_ATTR_NONAME_NOREF, |
| "Attribute declaration has no \"name\" or \"ref\"\n", |
| NULL, NULL); |
| return (NULL); |
| } |
| hasRefType = 1; |
| snprintf(buf, 99, "anonattr %d", ctxt->counter++ + 1); |
| name = (const xmlChar *) buf; |
| ret = xmlSchemaAddAttribute(ctxt, schema, name, NULL); |
| if (!topLevel) { |
| /* 3.2.3 : 3.2 |
| * If ref is present, then all of <simpleType>, |
| * form and type must be absent. |
| */ |
| if (xmlSchemaGetProp(ctxt, node, "form") != NULL) { |
| xmlSchemaPErr(ctxt, node, |
| XML_SCHEMAP_INVALID_ATTR_COMBINATION, |
| "Attribute declaration %s has \"ref\", thus " |
| "\"form\" must be absent\n", name, NULL); |
| } |
| if (xmlSchemaGetProp(ctxt, node, "type") != NULL) { |
| xmlSchemaPErr(ctxt, node, |
| XML_SCHEMAP_INVALID_ATTR_COMBINATION, |
| "Attribute declaration %s has \"ref\", thus " |
| "\"type\" must be absent\n", name, NULL); |
| } |
| } |
| } else { |
| const xmlChar *ns = NULL; |
| /* 3.2.3 : 3.1 |
| * One of ref or name must be present, but not both |
| */ |
| if ((!topLevel) && (xmlSchemaGetProp(ctxt, node, "ref") != NULL)) { |
| xmlSchemaPErr(ctxt, node, |
| XML_SCHEMAP_INVALID_ATTR_COMBINATION, |
| "Attribute declaration \"%s\" has both, \"name\" and " |
| "\"ref\"\n", name, NULL); |
| } |
| |
| /* local = xmlSchemaGetNamespace(ctxt, schema, node, name, &ns); */ |
| /* Evaluate the target namespace */ |
| if (schema->targetNamespace != NULL) { |
| if (topLevel) { |
| ns = schema->targetNamespace; |
| } else if (xmlSchemaGetProp(ctxt, node, "form") != NULL) { |
| if (xmlStrEqual( xmlSchemaGetProp(ctxt, node, "form"), |
| BAD_CAST "qualified")) { |
| ns = schema->targetNamespace; |
| } |
| } else if (schema->flags & XML_SCHEMAS_QUALIF_ATTR) { |
| ns = schema->targetNamespace; |
| } |
| } |
| ret = xmlSchemaAddAttribute(ctxt, schema, name, ns); |
| if (ret == NULL) |
| return (NULL); |
| /* 3.2.6 Schema Component Constraint: xmlns Not Allowed */ |
| if (xmlStrEqual(name, BAD_CAST "xmlns")) { |
| xmlSchemaPErr(ctxt, node, |
| XML_SCHEMAP_INVALID_ATTR_NAME, |
| "The name of an attribute declaration must not match " |
| "\"xmlns\".\n", NULL, NULL); |
| } |
| |
| /* 3.2.6 Schema Component Constraint: xsi: Not Allowed */ |
| if (xmlStrEqual(ret->targetNamespace, xmlSchemaInstanceNs)) { |
| xmlSchemaPErr(ctxt, node, |
| XML_SCHEMAP_INVALID_ATTR_NAME, |
| "The target namespace of an attribute declaration, " |
| "must not match \"http://www.w3.org/2001/" |
| "XMLSchema-instance\"", NULL, NULL); |
| } |
| } |
| if (ret == NULL) { |
| return (NULL); |
| } |
| ret->type = XML_SCHEMA_TYPE_ATTRIBUTE; |
| if (topLevel) |
| ret->flags |= XML_SCHEMAS_ATTR_GLOBAL; |
| |
| /* Handle the "use" attribute. */ |
| attrVal = xmlSchemaGetProp(ctxt, node, "use"); |
| if (attrVal != NULL) { |
| if (xmlStrEqual(attrVal, BAD_CAST "optional")) |
| ret->occurs = XML_SCHEMAS_ATTR_USE_OPTIONAL; |
| else if (xmlStrEqual(attrVal, BAD_CAST "prohibited")) |
| ret->occurs = XML_SCHEMAS_ATTR_USE_PROHIBITED; |
| else if (xmlStrEqual(attrVal, BAD_CAST "required")) |
| ret->occurs = XML_SCHEMAS_ATTR_USE_REQUIRED; |
| else |
| xmlSchemaPErr(ctxt, node, |
| XML_SCHEMAP_INVALID_ATTR_USE, |
| "Attribute declaration %s has an invalid " |
| "value for \"use\"\n", name, NULL); |
| } else |
| ret->occurs = XML_SCHEMAS_ATTR_USE_OPTIONAL; |
| |
| |
| if (xmlSchemaGetProp(ctxt, node, "default") != NULL) { |
| /* 3.2.3 : 1 |
| * default and fixed must not both be present. |
| */ |
| if (xmlSchemaGetProp(ctxt, node, "fixed") != NULL) { |
| xmlSchemaPErr(ctxt, node, |
| XML_SCHEMAP_INVALID_ATTR_COMBINATION, |
| "Attribute declaration has both, \"default\" " |
| "and \"fixed\"\n", NULL, NULL); |
| } |
| /* 3.2.3 : 2 |
| * If default and use are both present, use must have |
| * the actual value optional. |
| */ |
| if (ret->occurs != XML_SCHEMAS_ATTR_USE_OPTIONAL) { |
| xmlSchemaPErr(ctxt, node, |
| XML_SCHEMAP_INVALID_ATTR_COMBINATION, |
| "Attribute declaration has \"default\" but " |
| "\"use\" is not \"optional\"\n", NULL, NULL); |
| } |
| } |
| |
| ret->ref = ref; |
| ret->refNs = refNs; |
| /* |
| * The setting of XML_SCHEMAS_ATTR_NSDEFAULT is not needed anymore, |
| * since the target namespace was already evaluated and took |
| * attributeFormDefault into account. |
| */ |
| /* |
| if ((ret->targetNamespace != NULL) && |
| ((schema->flags & XML_SCHEMAS_QUALIF_ATTR) == 0) && |
| (xmlStrEqual(ret->targetNamespace, schema->targetNamespace))) |
| ret->flags |= XML_SCHEMAS_ATTR_NSDEFAULT; |
| */ |
| ret->typeName = xmlGetQNameProp(ctxt, node, "type", &(ret->typeNs)); |
| if (ret->typeName != NULL) |
| hasRefType = 1; |
| ret->node = node; |
| child = node->children; |
| if (IS_SCHEMA(child, "annotation")) { |
| ret->annot = xmlSchemaParseAnnotation(ctxt, schema, child); |
| child = child->next; |
| } |
| if (IS_SCHEMA(child, "simpleType")) { |
| if (hasRefType) { |
| /* 3.2.3 : 4 |
| * type and <simpleType> must not both be present. |
| * |
| * TODO: XML_SCHEMAP_INVALID_ATTR_COMBINATION seems not to be |
| * a proper error type here. |
| */ |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_INVALID_ATTR_COMBINATION, |
| "Attribute declaration %s has both (\"ref\" or " |
| "\"type\") and <simpleType>\n", name, NULL); |
| } else |
| ret->subtypes = xmlSchemaParseSimpleType(ctxt, schema, child, 0); |
| child = child->next; |
| } |
| if (child != NULL) { |
| xmlSchemaPErr2(ctxt, node, child, XML_SCHEMAP_UNKNOWN_ATTR_CHILD, |
| "attribute %s has unexpected content\n", name, |
| NULL); |
| } |
| |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaParseAttributeGroup: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @node: a subtree containing XML Schema informations |
| * |
| * parse a XML schema Attribute Group declaration |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns the attribute group or NULL in case of error. |
| */ |
| static xmlSchemaAttributeGroupPtr |
| xmlSchemaParseAttributeGroup(xmlSchemaParserCtxtPtr ctxt, |
| xmlSchemaPtr schema, xmlNodePtr node, |
| int topLevel) |
| { |
| const xmlChar *name, *refNs = NULL, *ref = NULL; |
| xmlSchemaAttributeGroupPtr ret; |
| xmlNodePtr child = NULL; |
| const xmlChar *oldcontainer; |
| char buf[100]; |
| |
| if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) |
| return (NULL); |
| oldcontainer = ctxt->container; |
| name = xmlSchemaGetProp(ctxt, node, "name"); |
| if (name == NULL) { |
| ref = xmlGetQNameProp(ctxt, node, "ref", &refNs); |
| if (ref == NULL) { |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_ATTRGRP_NONAME_NOREF, |
| "AttributeGroup has no name nor ref\n", NULL, |
| NULL); |
| return (NULL); |
| } |
| snprintf(buf, 99, "anonattrgroup %d", ctxt->counter++ + 1); |
| name = (const xmlChar *) buf; |
| if (name == NULL) { |
| xmlSchemaPErrMemory(ctxt, "creating attribute group", node); |
| return (NULL); |
| } |
| } |
| ret = xmlSchemaAddAttributeGroup(ctxt, schema, name); |
| if (ret == NULL) { |
| return (NULL); |
| } |
| ret->ref = ref; |
| ret->refNs = refNs; |
| ret->type = XML_SCHEMA_TYPE_ATTRIBUTEGROUP; |
| if (topLevel) |
| ret->flags |= XML_SCHEMAS_ATTRGROUP_GLOBAL; |
| ret->node = node; |
| child = node->children; |
| ctxt->container = name; |
| if (IS_SCHEMA(child, "annotation")) { |
| ret->annot = xmlSchemaParseAnnotation(ctxt, schema, child); |
| child = child->next; |
| } |
| child = xmlSchemaParseAttrDecls(ctxt, schema, child, (xmlSchemaTypePtr) ret); |
| /* Seems that this can be removed. */ |
| /* |
| while ((IS_SCHEMA(child, "attribute")) || |
| (IS_SCHEMA(child, "attributeGroup"))) { |
| attr = NULL; |
| if (IS_SCHEMA(child, "attribute")) { |
| attr = xmlSchemaParseAttribute(ctxt, schema, child, 0); |
| } else if (IS_SCHEMA(child, "attributeGroup")) { |
| attr = (xmlSchemaAttributePtr) |
| xmlSchemaParseAttributeGroup(ctxt, schema, child, 0); |
| } |
| if (attr != NULL) { |
| if (last == NULL) { |
| ret->attributes = attr; |
| last = attr; |
| } else { |
| last->next = attr; |
| last = attr; |
| } |
| } |
| child = child->next; |
| } |
| if (IS_SCHEMA(child, "anyAttribute")) { |
| TODO |
| child = child->next; |
| } |
| */ |
| if (child != NULL) { |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_UNKNOWN_ATTRGRP_CHILD, |
| "attribute group %s has unexpected content\n", name, |
| NULL); |
| } |
| ctxt->container = oldcontainer; |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaParseElement: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @node: a subtree containing XML Schema informations |
| * |
| * parse a XML schema Element declaration |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns the parsed element declaration. |
| */ |
| static xmlSchemaElementPtr |
| xmlSchemaParseElement(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, |
| xmlNodePtr node, int topLevel) |
| { |
| const xmlChar *name, *fixed; |
| const xmlChar *refNs = NULL, *ref = NULL; |
| xmlSchemaElementPtr ret; |
| xmlNodePtr child = NULL; |
| const xmlChar *oldcontainer; |
| char buf[100]; |
| xmlAttrPtr attr; |
| |
| /* 3.3.3 Constraints on XML Representations of Element Declarations */ |
| /* TODO: Complete implementation of 3.3.6 */ |
| |
| if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) |
| return (NULL); |
| oldcontainer = ctxt->container; |
| name = xmlSchemaGetProp(ctxt, node, "name"); |
| if (name == NULL) { |
| ref = xmlGetQNameProp(ctxt, node, "ref", &refNs); |
| /* 3.3.3 : 2.1 |
| * One of ref or name must be present, but not both |
| */ |
| if (ref == NULL) { |
| xmlSchemaPErr(ctxt, node, |
| XML_SCHEMAP_ELEM_NONAME_NOREF, |
| "Element declaration has no name nor ref\n", NULL, NULL); |
| return (NULL); |
| } |
| |
| snprintf(buf, 99, "anonelem %d", ctxt->counter++ + 1); |
| name = (const xmlChar *) buf; |
| ret = xmlSchemaAddElement(ctxt, schema, name, NULL); |
| } else { |
| const xmlChar *ns = NULL; |
| |
| /* Evaluate the target namespace */ |
| if (schema->targetNamespace != NULL) { |
| if (topLevel) { |
| ns = schema->targetNamespace; |
| } else if (xmlSchemaGetProp(ctxt, node, "form") != NULL) { |
| if (xmlStrEqual( xmlSchemaGetProp(ctxt, node, "form"), |
| BAD_CAST "qualified")) { |
| ns = schema->targetNamespace; |
| } |
| } else if (schema->flags & XML_SCHEMAS_QUALIF_ATTR) { |
| ns = schema->targetNamespace; |
| } |
| } |
| /*local = xmlSchemaGetNamespace(ctxt, schema, node, name, &ns); */ |
| ret = xmlSchemaAddElement(ctxt, schema, name, ns); |
| /* 3.3.3 : 2.1 |
| * One of ref or name must be present, but not both |
| */ |
| if ((!topLevel) && (xmlSchemaGetProp(ctxt, node, "ref") != NULL)) { |
| xmlSchemaPErr(ctxt, node, |
| XML_SCHEMAP_INVALID_ATTR_COMBINATION, |
| "Element declaration has both, \"name\" and " |
| "\"ref\"\n", NULL, NULL); |
| } |
| } |
| if (ret != NULL) |
| ret->node = node; |
| if (ret == NULL) { |
| return (NULL); |
| } |
| ret->type = XML_SCHEMA_TYPE_ELEMENT; |
| ret->ref = ref; |
| ret->refNs = refNs; |
| if (ref != NULL) |
| ret->flags |= XML_SCHEMAS_ELEM_REF; |
| |
| /* 3.3.3 : 2.2 */ |
| if ((!topLevel) && (ref != NULL)) { |
| attr = node->properties; |
| while (attr != NULL) { |
| if ((attr->ns == NULL) && |
| (!xmlStrEqual(attr->name, BAD_CAST "ref")) && |
| (!xmlStrEqual(attr->name, BAD_CAST "id")) && |
| (!xmlStrEqual(attr->name, BAD_CAST "maxOccurs")) && |
| (!xmlStrEqual(attr->name, BAD_CAST "minOccurs"))) { |
| |
| xmlSchemaPErr(ctxt, node, XML_SCHEMAP_INVALID_ATTR_COMBINATION, |
| "Element declaration %s: only minOccurs, maxOccurs " |
| "and id are allowed in addition to ref\n", |
| ret->name, NULL); |
| } |
| attr = attr->next; |
| } |
| } |
| |
| if (topLevel) { |
| ret->flags |= XML_SCHEMAS_ELEM_GLOBAL; |
| ret->flags |= XML_SCHEMAS_ELEM_TOPLEVEL; |
| } |
| if (xmlGetBooleanProp(ctxt, node, "nillable", 0)) |
| ret->flags |= XML_SCHEMAS_ELEM_NILLABLE; |
| if (xmlGetBooleanProp(ctxt, node, "abstract", 0)) |
| ret->flags |= XML_SCHEMAS_ELEM_ABSTRACT; |
| ctxt->container = name; |
| |
| ret->id = xmlSchemaGetProp(ctxt, node, "id"); |
| ret->namedType = |
| xmlGetQNameProp(ctxt, node, "type", &(ret->namedTypeNs)); |
| ret->substGroup = |
| xmlGetQNameProp(ctxt, node, "substitutionGroup", |
| &(ret->substGroupNs)); |
| if ((ret->substGroup != NULL) && (!topLevel)) { |
| /* 3.3.6 : 3 */ |
| /* |
| * TODO: This seems to be redundant, since the schema for schemas |
| * already prohibits the use of the "substitutionGroup" attribute |
| * in local element declarations. |
| */ |
| xmlSchemaPErr(ctxt, node, XML_SCHEMAP_INVALID_ATTR_COMBINATION, |
| "Element declaration %s: substitutionGroup is allowed " |
| "on top-level declarations only\n", ret->name, NULL); |
| |
| } |
| fixed = xmlSchemaGetProp(ctxt, node, "fixed"); |
| ret->minOccurs = xmlGetMinOccurs(ctxt, node); |
| ret->maxOccurs = xmlGetMaxOccurs(ctxt, node); |
| |
| ret->value = xmlSchemaGetProp(ctxt, node, "default"); |
| if ((ret->value != NULL) && (fixed != NULL)) { |
| /* 3.3.3 : 1 |
| * default and fixed must not both be present. |
| */ |
| xmlSchemaPErr2(ctxt, node, child, XML_SCHEMAP_ELEM_DEFAULT_FIXED, |
| "Element %s has both default and fixed\n", |
| ret->name, NULL); |
| } else if (fixed != NULL) { |
| ret->flags |= XML_SCHEMAS_ELEM_FIXED; |
| ret->value = fixed; |
| } |
| |
| child = node->children; |
| if (IS_SCHEMA(child, "annotation")) { |
| ret->annot = xmlSchemaParseAnnotation(ctxt, schema, child); |
| child = child->next; |
| } |
| |
| if (ref != NULL) { |
| /* 3.3.3 (2.2) */ |
| while (child != NULL) { |
| if ((IS_SCHEMA(child, "complexType")) || |
| (IS_SCHEMA(child, "simpleType")) || |
| (IS_SCHEMA(child, "unique")) || |
| (IS_SCHEMA(child, "key")) || |
| (IS_SCHEMA(child, "keyref"))) { |
| |
| xmlSchemaPErr2(ctxt, node, child, XML_SCHEMAP_REF_AND_CONTENT, |
| "Element declaration %s: only annotation is " |
| "allowed as content in addition to ref\n", |
| ret->name, NULL); |
| } else { |
| xmlSchemaPErr2(ctxt, node, child, XML_SCHEMAP_UNKNOWN_ELEM_CHILD, |
| "element %s has unexpected content\n", name, NULL); |
| } |
| child = child->next; |
| } |
| } else { |
| if (IS_SCHEMA(child, "complexType")) { |
| /* 3.3.3 : 3 |
| * type and either <simpleType> or <complexType> are mutually |
| * exclusive |
| */ |
| if (ret->namedType != NULL) { |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_INVALID_ATTR_INLINE_COMBINATION, |
| "Element declaration %s has both \"type\" " |
| "and a local complex type\n", |
| ret->name, NULL); |
| } else |
| ret->subtypes = xmlSchemaParseComplexType(ctxt, schema, child, 0); |
| child = child->next; |
| } else if (IS_SCHEMA(child, "simpleType")) { |
| /* 3.3.3 : 3 |
| * type and either <simpleType> or <complexType> are |
| * mutually exclusive |
| */ |
| if (ret->namedType != NULL) { |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_INVALID_ATTR_INLINE_COMBINATION, |
| "Element declaration %s has both \"type\" " |
| "and a local simple type\n", |
| ret->name, NULL); |
| } else |
| ret->subtypes = xmlSchemaParseSimpleType(ctxt, schema, child, 0); |
| child = child->next; |
| } |
| |
| while ((IS_SCHEMA(child, "unique")) || |
| (IS_SCHEMA(child, "key")) || (IS_SCHEMA(child, "keyref"))) { |
| TODO child = child->next; |
| } |
| if (child != NULL) { |
| xmlSchemaPErr2(ctxt, node, child, XML_SCHEMAP_UNKNOWN_ELEM_CHILD, |
| "element %s has unexpected content\n", name, NULL); |
| } |
| } |
| |
| ctxt->container = oldcontainer; |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaParseUnion: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @node: a subtree containing XML Schema informations |
| * |
| * parse a XML schema Union definition |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns -1 in case of error, 0 if the declaration is improper and |
| * 1 in case of success. |
| */ |
| static xmlSchemaTypePtr |
| xmlSchemaParseUnion(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, |
| xmlNodePtr node) |
| { |
| xmlSchemaTypePtr type, subtype, last = NULL; |
| xmlNodePtr child = NULL; |
| xmlChar name[30]; |
| |
| if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) |
| return (NULL); |
| |
| |
| snprintf((char *) name, 30, "union %d", ctxt->counter++ + 1); |
| type = xmlSchemaAddType(ctxt, schema, name, NULL); |
| if (type == NULL) |
| return (NULL); |
| type->node = node; |
| type->type = XML_SCHEMA_TYPE_UNION; |
| type->id = xmlSchemaGetProp(ctxt, node, "id"); |
| type->ref = xmlSchemaGetProp(ctxt, node, "memberTypes"); |
| |
| child = node->children; |
| if (IS_SCHEMA(child, "annotation")) { |
| type->annot = xmlSchemaParseAnnotation(ctxt, schema, child); |
| child = child->next; |
| } |
| while (IS_SCHEMA(child, "simpleType")) { |
| subtype = (xmlSchemaTypePtr) |
| xmlSchemaParseSimpleType(ctxt, schema, child, 0); |
| if (subtype != NULL) { |
| if (last == NULL) { |
| type->subtypes = subtype; |
| last = subtype; |
| } else { |
| last->next = subtype; |
| last = subtype; |
| } |
| last->next = NULL; |
| } |
| child = child->next; |
| } |
| if (child != NULL) { |
| xmlSchemaPErr2(ctxt, node, child, XML_SCHEMAP_UNKNOWN_UNION_CHILD, |
| "Union %s has unexpected content\n", type->name, |
| NULL); |
| } |
| return (type); |
| } |
| |
| /** |
| * xmlSchemaParseList: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @node: a subtree containing XML Schema informations |
| * |
| * parse a XML schema List definition |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns -1 in case of error, 0 if the declaration is improper and |
| * 1 in case of success. |
| */ |
| static xmlSchemaTypePtr |
| xmlSchemaParseList(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, |
| xmlNodePtr node) |
| { |
| xmlSchemaTypePtr type, subtype; |
| xmlNodePtr child = NULL; |
| xmlChar name[30]; |
| |
| if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) |
| return (NULL); |
| |
| snprintf((char *) name, 30, "list %d", ctxt->counter++ + 1); |
| type = xmlSchemaAddType(ctxt, schema, name, NULL); |
| if (type == NULL) |
| return (NULL); |
| type->node = node; |
| type->type = XML_SCHEMA_TYPE_LIST; |
| type->id = xmlSchemaGetProp(ctxt, node, "id"); |
| type->ref = xmlGetQNameProp(ctxt, node, "ref", &(type->refNs)); |
| |
| child = node->children; |
| if (IS_SCHEMA(child, "annotation")) { |
| type->annot = xmlSchemaParseAnnotation(ctxt, schema, child); |
| child = child->next; |
| } |
| |
| subtype = NULL; |
| if (IS_SCHEMA(child, "simpleType")) { |
| subtype = (xmlSchemaTypePtr) |
| xmlSchemaParseSimpleType(ctxt, schema, child, 0); |
| child = child->next; |
| type->subtypes = subtype; |
| } |
| if (child != NULL) { |
| xmlSchemaPErr2(ctxt, node, child, XML_SCHEMAP_UNKNOWN_LIST_CHILD, |
| "List %s has unexpected content\n", type->name, |
| NULL); |
| } |
| return (type); |
| } |
| |
| /** |
| * xmlSchemaParseSimpleType: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @node: a subtree containing XML Schema informations |
| * |
| * parse a XML schema Simple Type definition |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns -1 in case of error, 0 if the declaration is improper and |
| * 1 in case of success. |
| */ |
| static xmlSchemaTypePtr |
| xmlSchemaParseSimpleType(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, |
| xmlNodePtr node, int topLevel) |
| { |
| xmlSchemaTypePtr type, subtype; |
| xmlNodePtr child = NULL; |
| const xmlChar *name; |
| |
| if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) |
| return (NULL); |
| |
| |
| name = xmlSchemaGetProp(ctxt, node, "name"); |
| if (name == NULL) { |
| char buf[100]; |
| |
| snprintf(buf, 99, "simpleType %d", ctxt->counter++ + 1); |
| type = xmlSchemaAddType(ctxt, schema, (const xmlChar *)buf, NULL); |
| } else { |
| /* local = xmlSchemaGetNamespace(ctxt, schema, node, name, &ns); */ |
| type = xmlSchemaAddType(ctxt, schema, name, schema->targetNamespace); |
| } |
| if (type == NULL) |
| return (NULL); |
| type->node = node; |
| type->type = XML_SCHEMA_TYPE_SIMPLE; |
| if (topLevel) |
| type->flags |= XML_SCHEMAS_TYPE_GLOBAL; |
| type->id = xmlSchemaGetProp(ctxt, node, "id"); |
| |
| child = node->children; |
| if (IS_SCHEMA(child, "annotation")) { |
| type->annot = xmlSchemaParseAnnotation(ctxt, schema, child); |
| child = child->next; |
| } |
| subtype = NULL; |
| if (IS_SCHEMA(child, "restriction")) { |
| subtype = (xmlSchemaTypePtr) |
| xmlSchemaParseRestriction(ctxt, schema, child, 1); |
| child = child->next; |
| } else if (IS_SCHEMA(child, "list")) { |
| subtype = (xmlSchemaTypePtr) |
| xmlSchemaParseList(ctxt, schema, child); |
| child = child->next; |
| } else if (IS_SCHEMA(child, "union")) { |
| subtype = (xmlSchemaTypePtr) |
| xmlSchemaParseUnion(ctxt, schema, child); |
| child = child->next; |
| } |
| type->subtypes = subtype; |
| if (subtype == NULL) { |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_MISSING_SIMPLETYPE_CHILD, |
| "SimpleType %s does not define a variety\n", |
| type->name, NULL); |
| } |
| if (child != NULL) { |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_UNKNOWN_SIMPLETYPE_CHILD, |
| "SimpleType %s has unexpected content\n", |
| type->name, NULL); |
| } |
| |
| return (type); |
| } |
| |
| |
| /** |
| * xmlSchemaParseGroup: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @node: a subtree containing XML Schema informations |
| * |
| * parse a XML schema Group definition |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns -1 in case of error, 0 if the declaration is improper and |
| * 1 in case of success. |
| */ |
| static xmlSchemaTypePtr |
| xmlSchemaParseGroup(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, |
| xmlNodePtr node, int topLevel) |
| { |
| xmlSchemaTypePtr type, subtype; |
| xmlNodePtr child = NULL; |
| const xmlChar *name; |
| const xmlChar *ref = NULL, *refNs = NULL; |
| char buf[100]; |
| |
| if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) |
| return (NULL); |
| |
| |
| name = xmlSchemaGetProp(ctxt, node, "name"); |
| if (name == NULL) { |
| ref = xmlGetQNameProp(ctxt, node, "ref", &refNs); |
| if (ref == NULL) { |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_GROUP_NONAME_NOREF, |
| "Group has no name nor ref\n", NULL, NULL); |
| return (NULL); |
| } |
| if (refNs == NULL) |
| refNs = schema->targetNamespace; |
| snprintf(buf, 99, "anongroup %d", ctxt->counter++ + 1); |
| name = (const xmlChar *) buf; |
| } |
| type = xmlSchemaAddGroup(ctxt, schema, name); |
| if (type == NULL) |
| return (NULL); |
| type->node = node; |
| type->type = XML_SCHEMA_TYPE_GROUP; |
| if (topLevel) |
| type->flags |= XML_SCHEMAS_TYPE_GLOBAL; |
| type->id = xmlSchemaGetProp(ctxt, node, "id"); |
| type->ref = ref; |
| type->refNs = refNs; |
| type->minOccurs = xmlGetMinOccurs(ctxt, node); |
| type->maxOccurs = xmlGetMaxOccurs(ctxt, node); |
| |
| child = node->children; |
| if (IS_SCHEMA(child, "annotation")) { |
| type->annot = xmlSchemaParseAnnotation(ctxt, schema, child); |
| child = child->next; |
| } |
| subtype = NULL; |
| if (IS_SCHEMA(child, "all")) { |
| subtype = (xmlSchemaTypePtr) |
| xmlSchemaParseAll(ctxt, schema, child); |
| child = child->next; |
| } else if (IS_SCHEMA(child, "choice")) { |
| subtype = xmlSchemaParseChoice(ctxt, schema, child); |
| child = child->next; |
| } else if (IS_SCHEMA(child, "sequence")) { |
| subtype = (xmlSchemaTypePtr) |
| xmlSchemaParseSequence(ctxt, schema, child); |
| child = child->next; |
| } |
| if (subtype != NULL) |
| type->subtypes = subtype; |
| if (child != NULL) { |
| xmlSchemaPErr2(ctxt, node, child, XML_SCHEMAP_UNKNOWN_GROUP_CHILD, |
| "Group %s has unexpected content\n", type->name, |
| NULL); |
| } |
| |
| return (type); |
| } |
| |
| /** |
| * xmlSchemaParseAll: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @node: a subtree containing XML Schema informations |
| * |
| * parse a XML schema All definition |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns -1 in case of error, 0 if the declaration is improper and |
| * 1 in case of success. |
| */ |
| static xmlSchemaTypePtr |
| xmlSchemaParseAll(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, |
| xmlNodePtr node) |
| { |
| xmlSchemaTypePtr type, subtype, last = NULL; |
| xmlNodePtr child = NULL; |
| xmlChar name[30]; |
| |
| if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) |
| return (NULL); |
| |
| |
| snprintf((char *) name, 30, "all%d", ctxt->counter++ + 1); |
| type = xmlSchemaAddType(ctxt, schema, name, NULL); |
| if (type == NULL) |
| return (NULL); |
| type->node = node; |
| type->type = XML_SCHEMA_TYPE_ALL; |
| type->id = xmlSchemaGetProp(ctxt, node, "id"); |
| type->minOccurs = xmlGetMinOccurs(ctxt, node); |
| if (type->minOccurs > 1) |
| xmlSchemaPErr(ctxt, node, XML_SCHEMAP_INVALID_MINOCCURS, |
| "invalid value for minOccurs (must be 0 or 1)\n", NULL, NULL); |
| type->maxOccurs = xmlGetMaxOccurs(ctxt, node); |
| if (type->maxOccurs > 1) |
| xmlSchemaPErr(ctxt, node, XML_SCHEMAP_INVALID_MAXOCCURS, |
| "invalid value for maxOccurs (must be 0 or 1)\n", NULL, NULL); |
| |
| child = node->children; |
| if (IS_SCHEMA(child, "annotation")) { |
| type->annot = xmlSchemaParseAnnotation(ctxt, schema, child); |
| child = child->next; |
| } |
| while (IS_SCHEMA(child, "element")) { |
| subtype = (xmlSchemaTypePtr) |
| xmlSchemaParseElement(ctxt, schema, child, 0); |
| if (subtype != NULL) { |
| if (subtype->minOccurs > 1) |
| xmlSchemaPErr(ctxt, child, XML_SCHEMAP_INVALID_MINOCCURS, |
| "invalid value for minOccurs (must be 0 or 1)\n", |
| NULL, NULL); |
| if (subtype->maxOccurs > 1) |
| xmlSchemaPErr(ctxt, child, XML_SCHEMAP_INVALID_MAXOCCURS, |
| "invalid value for maxOccurs (must be 0 or 1)\n", |
| NULL, NULL); |
| if (last == NULL) { |
| type->subtypes = subtype; |
| last = subtype; |
| } else { |
| last->next = subtype; |
| last = subtype; |
| } |
| last->next = NULL; |
| } |
| child = child->next; |
| } |
| if (child != NULL) { |
| xmlSchemaPErr2(ctxt, node, child, XML_SCHEMAP_UNKNOWN_ALL_CHILD, |
| "All %s has unexpected content\n", type->name, |
| NULL); |
| } |
| |
| return (type); |
| } |
| |
| /** |
| * xmlSchemaImportSchema |
| * |
| * @ctxt: a schema validation context |
| * @schemaLocation: an URI defining where to find the imported schema |
| * |
| * import a XML schema |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns -1 in case of error and 1 in case of success. |
| */ |
| static xmlSchemaImportPtr |
| xmlSchemaImportSchema(xmlSchemaParserCtxtPtr ctxt, |
| const xmlChar *schemaLocation) |
| { |
| xmlSchemaImportPtr import; |
| xmlSchemaParserCtxtPtr newctxt; |
| |
| newctxt = (xmlSchemaParserCtxtPtr) xmlMalloc(sizeof(xmlSchemaParserCtxt)); |
| if (newctxt == NULL) { |
| xmlSchemaPErrMemory(ctxt, "allocating schema parser context", |
| NULL); |
| return (NULL); |
| } |
| memset(newctxt, 0, sizeof(xmlSchemaParserCtxt)); |
| /* Keep the same dictionnary for parsing, really */ |
| xmlDictReference(ctxt->dict); |
| newctxt->dict = ctxt->dict; |
| newctxt->includes = 0; |
| newctxt->URL = xmlDictLookup(newctxt->dict, schemaLocation, -1); |
| |
| xmlSchemaSetParserErrors(newctxt, ctxt->error, ctxt->warning, |
| ctxt->userData); |
| |
| import = (xmlSchemaImport*) xmlMalloc(sizeof(xmlSchemaImport)); |
| if (import == NULL) { |
| xmlSchemaPErrMemory(NULL, "allocating imported schema", |
| NULL); |
| xmlSchemaFreeParserCtxt(newctxt); |
| return (NULL); |
| } |
| |
| memset(import, 0, sizeof(xmlSchemaImport)); |
| import->schemaLocation = xmlDictLookup(ctxt->dict, schemaLocation, -1); |
| import->schema = xmlSchemaParse(newctxt); |
| |
| if (import->schema == NULL) { |
| /* FIXME use another error enum here ? */ |
| xmlSchemaPErr(ctxt, NULL, XML_SCHEMAS_ERR_INTERNAL, |
| "failed to import schema at location %s\n", |
| schemaLocation, NULL); |
| |
| xmlSchemaFreeParserCtxt(newctxt); |
| if (import->schemaLocation != NULL) |
| xmlFree((xmlChar *)import->schemaLocation); |
| xmlFree(import); |
| return NULL; |
| } |
| |
| xmlSchemaFreeParserCtxt(newctxt); |
| return import; |
| } |
| |
| |
| /** |
| * xmlSchemaParseImport: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @node: a subtree containing XML Schema informations |
| * |
| * parse a XML schema Import definition |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns -1 in case of error, 0 if the declaration is improper and |
| * 1 in case of success. |
| */ |
| static int |
| xmlSchemaParseImport(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, |
| xmlNodePtr node) |
| { |
| xmlNodePtr child = NULL; |
| xmlSchemaImportPtr import = NULL; |
| const xmlChar *namespace; |
| const xmlChar *schemaLocation; |
| const xmlChar *previous; |
| xmlURIPtr check; |
| |
| |
| if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) |
| return (-1); |
| |
| namespace = xmlSchemaGetProp(ctxt, node, "namespace"); |
| if (namespace != NULL) { |
| check = xmlParseURI((const char *) namespace); |
| if (check == NULL) { |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_IMPORT_NAMESPACE_NOT_URI, |
| "Import namespace attribute is not an URI: %s\n", |
| namespace, NULL); |
| return (-1); |
| } else { |
| xmlFreeURI(check); |
| } |
| } |
| schemaLocation = xmlSchemaGetProp(ctxt, node, "schemaLocation"); |
| if (schemaLocation != NULL) { |
| xmlChar *base = NULL; |
| xmlChar *URI = NULL; |
| check = xmlParseURI((const char *) schemaLocation); |
| if (check == NULL) { |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_IMPORT_SCHEMA_NOT_URI, |
| "Import schemaLocation attribute is not an URI: %s\n", |
| schemaLocation, NULL); |
| return (-1); |
| } else { |
| xmlFreeURI(check); |
| } |
| base = xmlNodeGetBase(node->doc, node); |
| if (base == NULL) { |
| URI = xmlBuildURI(schemaLocation, node->doc->URL); |
| } else { |
| URI = xmlBuildURI(schemaLocation, base); |
| xmlFree(base); |
| } |
| if (URI != NULL) { |
| schemaLocation = xmlDictLookup(ctxt->dict, URI, -1); |
| xmlFree(URI); |
| } |
| } |
| if (schema->schemasImports == NULL) { |
| schema->schemasImports = xmlHashCreate(10); |
| if (schema->schemasImports == NULL) { |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_FAILED_BUILD_IMPORT, |
| "Internal: failed to build import table\n", |
| NULL, NULL); |
| return (-1); |
| } |
| } |
| if (namespace == NULL) { |
| import = xmlHashLookup(schema->schemasImports, |
| XML_SCHEMAS_DEFAULT_NAMESPACE); |
| if (import != NULL) |
| previous = import->schemaLocation; |
| else |
| previous = NULL; |
| |
| if (schemaLocation != NULL) { |
| if (previous != NULL) { |
| if (!xmlStrEqual(schemaLocation, previous)) { |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_IMPORT_REDEFINE_NSNAME, |
| "Redefining import for default namespace " |
| "with a different URI: %s\n", |
| schemaLocation, NULL); |
| } |
| } else { |
| import = xmlSchemaImportSchema(ctxt, schemaLocation); |
| if (import == NULL) { |
| return (-1); |
| } |
| xmlHashAddEntry(schema->schemasImports, |
| XML_SCHEMAS_DEFAULT_NAMESPACE, |
| import); |
| } |
| } |
| } else { |
| import = xmlHashLookup(schema->schemasImports, namespace); |
| if (import != NULL) |
| previous = import->schemaLocation; |
| else |
| previous = NULL; |
| |
| if (schemaLocation != NULL) { |
| if (previous != NULL) { |
| if (!xmlStrEqual(schemaLocation, previous)) { |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_IMPORT_REDEFINE_NSNAME, |
| "Redefining import for namespace %s with " |
| "a different URI: %s\n", |
| namespace, schemaLocation); |
| } |
| } else { |
| import = xmlSchemaImportSchema(ctxt, schemaLocation); |
| if (import == NULL) { |
| return (-1); |
| } |
| if (!xmlStrEqual(import->schema->targetNamespace, namespace)) { |
| if (namespace == NULL) { |
| if (import->schema->targetNamespace != NULL) { |
| xmlSchemaPErr(ctxt, node, XML_SCHEMAP_SRC_IMPORT_3_2, |
| "There is no namespace attribute on the <import> " |
| "element information item, so the imported document " |
| "must have no targetNamespace attribute.\n", |
| NULL, NULL); |
| } |
| } else { |
| if (import->schema->targetNamespace != NULL) { |
| xmlSchemaPErr(ctxt, node, XML_SCHEMAP_SRC_IMPORT_3_1, |
| "The namespace attribute \"%s\" of an <import> " |
| "element information item must be identical to the " |
| "targetNamespace attribute \"%s\" of the " |
| "imported document.\n", |
| namespace, import->schema->targetNamespace); |
| } else { |
| xmlSchemaPErr(ctxt, node, XML_SCHEMAP_SRC_IMPORT_3_1, |
| "The namespace attribute on the <import> " |
| "element information item, requires the imported " |
| "document to have a targetNamespace attribute " |
| "with the value \"%s\".\n", |
| namespace, NULL); |
| } |
| } |
| xmlSchemaFreeImport(import); |
| return (-1); |
| } |
| |
| xmlHashAddEntry(schema->schemasImports, |
| namespace, import); |
| |
| } |
| } |
| } |
| |
| child = node->children; |
| while (IS_SCHEMA(child, "annotation")) { |
| /* |
| * the annotations here are simply discarded ... |
| */ |
| child = child->next; |
| } |
| if (child != NULL) { |
| xmlSchemaPErr2(ctxt, node, child, XML_SCHEMAP_UNKNOWN_IMPORT_CHILD, |
| "Import has unexpected content\n", NULL, NULL); |
| return (-1); |
| } |
| return (1); |
| } |
| |
| /** |
| * xmlSchemaCleanupDoc: |
| * @ctxt: a schema validation context |
| * @node: the root of the document. |
| * |
| * removes unwanted nodes in a schemas document tree |
| */ |
| static void |
| xmlSchemaCleanupDoc(xmlSchemaParserCtxtPtr ctxt, xmlNodePtr root) |
| { |
| xmlNodePtr delete, cur; |
| |
| if ((ctxt == NULL) || (root == NULL)) return; |
| |
| /* |
| * Remove all the blank text nodes |
| */ |
| delete = NULL; |
| cur = root; |
| while (cur != NULL) { |
| if (delete != NULL) { |
| xmlUnlinkNode(delete); |
| xmlFreeNode(delete); |
| delete = NULL; |
| } |
| if (cur->type == XML_TEXT_NODE) { |
| if (IS_BLANK_NODE(cur)) { |
| if (xmlNodeGetSpacePreserve(cur) != 1) { |
| delete = cur; |
| } |
| } |
| } else if ((cur->type != XML_ELEMENT_NODE) && |
| (cur->type != XML_CDATA_SECTION_NODE)) { |
| delete = cur; |
| goto skip_children; |
| } |
| |
| /* |
| * Skip to next node |
| */ |
| if (cur->children != NULL) { |
| if ((cur->children->type != XML_ENTITY_DECL) && |
| (cur->children->type != XML_ENTITY_REF_NODE) && |
| (cur->children->type != XML_ENTITY_NODE)) { |
| cur = cur->children; |
| continue; |
| } |
| } |
| skip_children: |
| if (cur->next != NULL) { |
| cur = cur->next; |
| continue; |
| } |
| |
| do { |
| cur = cur->parent; |
| if (cur == NULL) |
| break; |
| if (cur == root) { |
| cur = NULL; |
| break; |
| } |
| if (cur->next != NULL) { |
| cur = cur->next; |
| break; |
| } |
| } while (cur != NULL); |
| } |
| if (delete != NULL) { |
| xmlUnlinkNode(delete); |
| xmlFreeNode(delete); |
| delete = NULL; |
| } |
| } |
| |
| /** |
| * xmlSchemaParseSchemaTopLevel: |
| * @ctxt: a schema validation context |
| * @schema: the schemas |
| * @nodes: the list of top level nodes |
| * |
| * Returns the internal XML Schema structure built from the resource or |
| * NULL in case of error |
| */ |
| static void |
| xmlSchemaParseSchemaTopLevel(xmlSchemaParserCtxtPtr ctxt, |
| xmlSchemaPtr schema, xmlNodePtr nodes) |
| { |
| xmlNodePtr child; |
| xmlSchemaAnnotPtr annot; |
| |
| if ((ctxt == NULL) || (schema == NULL) || (nodes == NULL)) |
| return; |
| |
| child = nodes; |
| while ((IS_SCHEMA(child, "include")) || |
| (IS_SCHEMA(child, "import")) || |
| (IS_SCHEMA(child, "redefine")) || |
| (IS_SCHEMA(child, "annotation"))) { |
| if (IS_SCHEMA(child, "annotation")) { |
| annot = xmlSchemaParseAnnotation(ctxt, schema, child); |
| if (schema->annot == NULL) |
| schema->annot = annot; |
| else |
| xmlSchemaFreeAnnot(annot); |
| } else if (IS_SCHEMA(child, "import")) { |
| xmlSchemaParseImport(ctxt, schema, child); |
| } else if (IS_SCHEMA(child, "include")) { |
| ctxt->includes++; |
| xmlSchemaParseInclude(ctxt, schema, child); |
| ctxt->includes--; |
| } else if (IS_SCHEMA(child, "redefine")) { |
| TODO |
| } |
| child = child->next; |
| } |
| while (child != NULL) { |
| if (IS_SCHEMA(child, "complexType")) { |
| xmlSchemaParseComplexType(ctxt, schema, child, 1); |
| child = child->next; |
| } else if (IS_SCHEMA(child, "simpleType")) { |
| xmlSchemaParseSimpleType(ctxt, schema, child, 1); |
| child = child->next; |
| } else if (IS_SCHEMA(child, "element")) { |
| xmlSchemaParseElement(ctxt, schema, child, 1); |
| child = child->next; |
| } else if (IS_SCHEMA(child, "attribute")) { |
| xmlSchemaParseAttribute(ctxt, schema, child, 1); |
| child = child->next; |
| } else if (IS_SCHEMA(child, "attributeGroup")) { |
| xmlSchemaParseAttributeGroup(ctxt, schema, child, 1); |
| child = child->next; |
| } else if (IS_SCHEMA(child, "group")) { |
| xmlSchemaParseGroup(ctxt, schema, child, 1); |
| child = child->next; |
| } else if (IS_SCHEMA(child, "notation")) { |
| xmlSchemaParseNotation(ctxt, schema, child); |
| child = child->next; |
| } else { |
| xmlSchemaPErr2(ctxt, NULL, child, |
| XML_SCHEMAP_UNKNOWN_SCHEMAS_CHILD, |
| "Schemas: unexpected element %s here \n", |
| child->name, NULL); |
| child = child->next; |
| } |
| while (IS_SCHEMA(child, "annotation")) { |
| annot = xmlSchemaParseAnnotation(ctxt, schema, child); |
| if (schema->annot == NULL) |
| schema->annot = annot; |
| else |
| xmlSchemaFreeAnnot(annot); |
| child = child->next; |
| } |
| } |
| } |
| |
| /** |
| * xmlSchemaParseInclude: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @node: a subtree containing XML Schema informations |
| * |
| * parse a XML schema Include definition |
| * |
| * Returns -1 in case of error, 0 if the declaration is improper and |
| * 1 in case of success. |
| */ |
| static int |
| xmlSchemaParseInclude(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, |
| xmlNodePtr node) |
| { |
| xmlNodePtr child = NULL; |
| const xmlChar *schemaLocation; |
| xmlURIPtr check; |
| xmlDocPtr doc; |
| xmlNodePtr root; |
| xmlSchemaIncludePtr include; |
| |
| |
| if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) |
| return (-1); |
| |
| /* |
| * Preliminary step, extract the URI-Reference for the include and |
| * make an URI from the base. |
| */ |
| schemaLocation = xmlSchemaGetProp(ctxt, node, "schemaLocation"); |
| if (schemaLocation != NULL) { |
| xmlChar *base = NULL; |
| xmlChar *URI = NULL; |
| check = xmlParseURI((const char *) schemaLocation); |
| if (check == NULL) { |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_INCLUDE_SCHEMA_NOT_URI, |
| "Include schemaLocation attribute is not an URI: %s\n", |
| schemaLocation, NULL); |
| return (-1); |
| } else { |
| xmlFreeURI(check); |
| } |
| base = xmlNodeGetBase(node->doc, node); |
| if (base == NULL) { |
| URI = xmlBuildURI(schemaLocation, node->doc->URL); |
| } else { |
| URI = xmlBuildURI(schemaLocation, base); |
| xmlFree(base); |
| } |
| if (URI != NULL) { |
| schemaLocation = xmlDictLookup(ctxt->dict, URI, -1); |
| xmlFree(URI); |
| } |
| } else { |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_INCLUDE_SCHEMA_NO_URI, |
| "Include schemaLocation attribute missing\n", |
| NULL, NULL); |
| return (-1); |
| } |
| |
| child = node->children; |
| while (IS_SCHEMA(child, "annotation")) { |
| /* |
| * the annotations here are simply discarded ... |
| */ |
| child = child->next; |
| } |
| if (child != NULL) { |
| xmlSchemaPErr2(ctxt, node, child, XML_SCHEMAP_UNKNOWN_INCLUDE_CHILD, |
| "Include has unexpected content\n", NULL, NULL); |
| return (-1); |
| } |
| |
| /* |
| * First step is to parse the input document into an DOM/Infoset |
| */ |
| doc = xmlReadFile((const char *) schemaLocation, NULL, |
| SCHEMAS_PARSE_OPTIONS); |
| if (doc == NULL) { |
| xmlSchemaPErr(ctxt, NULL, |
| XML_SCHEMAP_FAILED_LOAD, |
| "xmlSchemaParse: could not load %s\n", |
| ctxt->URL, NULL); |
| return(-1); |
| } |
| |
| /* |
| * Then extract the root of the schema |
| */ |
| root = xmlDocGetRootElement(doc); |
| if (root == NULL) { |
| xmlSchemaPErr(ctxt, (xmlNodePtr) doc, |
| XML_SCHEMAP_NOROOT, |
| "schemas %s has no root", schemaLocation, NULL); |
| xmlFreeDoc(doc); |
| return (-1); |
| } |
| |
| /* |
| * Remove all the blank text nodes |
| */ |
| xmlSchemaCleanupDoc(ctxt, root); |
| |
| /* |
| * Check the schemas top level element |
| */ |
| if (!IS_SCHEMA(root, "schema")) { |
| xmlSchemaPErr(ctxt, (xmlNodePtr) doc, |
| XML_SCHEMAP_NOT_SCHEMA, |
| "File %s is not a schemas", schemaLocation, NULL); |
| xmlFreeDoc(doc); |
| return (-1); |
| } |
| |
| /* |
| * register the include |
| */ |
| include = (xmlSchemaIncludePtr) xmlMalloc(sizeof(xmlSchemaInclude)); |
| if (include == NULL) { |
| xmlSchemaPErrMemory(ctxt, "allocating included schema", NULL); |
| xmlFreeDoc(doc); |
| return (-1); |
| } |
| |
| memset(include, 0, sizeof(xmlSchemaInclude)); |
| include->schemaLocation = xmlDictLookup(ctxt->dict, schemaLocation, -1); |
| include->doc = doc; |
| include->next = schema->includes; |
| schema->includes = include; |
| |
| |
| /* |
| * parse the declarations in the included file like if they |
| * were in the original file. |
| */ |
| xmlSchemaParseSchemaTopLevel(ctxt, schema, root->children); |
| |
| return (1); |
| } |
| |
| /** |
| * xmlSchemaParseChoice: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @node: a subtree containing XML Schema informations |
| * |
| * parse a XML schema Choice definition |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns -1 in case of error, 0 if the declaration is improper and |
| * 1 in case of success. |
| */ |
| static xmlSchemaTypePtr |
| xmlSchemaParseChoice(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, |
| xmlNodePtr node) |
| { |
| xmlSchemaTypePtr type, subtype, last = NULL; |
| xmlNodePtr child = NULL; |
| xmlChar name[30]; |
| |
| if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) |
| return (NULL); |
| |
| |
| snprintf((char *) name, 30, "choice %d", ctxt->counter++ + 1); |
| type = xmlSchemaAddType(ctxt, schema, name, NULL); |
| if (type == NULL) |
| return (NULL); |
| type->node = node; |
| type->type = XML_SCHEMA_TYPE_CHOICE; |
| type->id = xmlSchemaGetProp(ctxt, node, "id"); |
| type->minOccurs = xmlGetMinOccurs(ctxt, node); |
| type->maxOccurs = xmlGetMaxOccurs(ctxt, node); |
| |
| child = node->children; |
| if (IS_SCHEMA(child, "annotation")) { |
| type->annot = xmlSchemaParseAnnotation(ctxt, schema, child); |
| child = child->next; |
| } |
| while ((IS_SCHEMA(child, "element")) || |
| (IS_SCHEMA(child, "group")) || |
| (IS_SCHEMA(child, "any")) || |
| (IS_SCHEMA(child, "choice")) || |
| (IS_SCHEMA(child, "sequence"))) { |
| subtype = NULL; |
| if (IS_SCHEMA(child, "element")) { |
| subtype = (xmlSchemaTypePtr) |
| xmlSchemaParseElement(ctxt, schema, child, 0); |
| } else if (IS_SCHEMA(child, "group")) { |
| subtype = xmlSchemaParseGroup(ctxt, schema, child, 0); |
| } else if (IS_SCHEMA(child, "any")) { |
| subtype = xmlSchemaParseAny(ctxt, schema, child); |
| } else if (IS_SCHEMA(child, "sequence")) { |
| subtype = xmlSchemaParseSequence(ctxt, schema, child); |
| } else if (IS_SCHEMA(child, "choice")) { |
| subtype = xmlSchemaParseChoice(ctxt, schema, child); |
| } |
| if (subtype != NULL) { |
| if (last == NULL) { |
| type->subtypes = subtype; |
| last = subtype; |
| } else { |
| last->next = subtype; |
| last = subtype; |
| } |
| last->next = NULL; |
| } |
| child = child->next; |
| } |
| if (child != NULL) { |
| xmlSchemaPErr2(ctxt, node, child, XML_SCHEMAP_UNKNOWN_CHOICE_CHILD, |
| "Choice %s has unexpected content\n", type->name, |
| NULL); |
| } |
| |
| return (type); |
| } |
| |
| /** |
| * xmlSchemaParseSequence: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @node: a subtree containing XML Schema informations |
| * |
| * parse a XML schema Sequence definition |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns -1 in case of error, 0 if the declaration is improper and |
| * 1 in case of success. |
| */ |
| static xmlSchemaTypePtr |
| xmlSchemaParseSequence(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, |
| xmlNodePtr node) |
| { |
| xmlSchemaTypePtr type, subtype, last = NULL; |
| xmlNodePtr child = NULL; |
| xmlChar name[30]; |
| |
| if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) |
| return (NULL); |
| |
| |
| snprintf((char *) name, 30, "sequence %d", ctxt->counter++ + 1); |
| type = xmlSchemaAddType(ctxt, schema, name, NULL); |
| if (type == NULL) |
| return (NULL); |
| type->node = node; |
| type->type = XML_SCHEMA_TYPE_SEQUENCE; |
| type->id = xmlSchemaGetProp(ctxt, node, "id"); |
| type->minOccurs = xmlGetMinOccurs(ctxt, node); |
| type->maxOccurs = xmlGetMaxOccurs(ctxt, node); |
| |
| child = node->children; |
| if (IS_SCHEMA(child, "annotation")) { |
| type->annot = xmlSchemaParseAnnotation(ctxt, schema, child); |
| child = child->next; |
| } |
| while ((IS_SCHEMA(child, "element")) || |
| (IS_SCHEMA(child, "group")) || |
| (IS_SCHEMA(child, "any")) || |
| (IS_SCHEMA(child, "choice")) || |
| (IS_SCHEMA(child, "sequence"))) { |
| subtype = NULL; |
| if (IS_SCHEMA(child, "element")) { |
| subtype = (xmlSchemaTypePtr) |
| xmlSchemaParseElement(ctxt, schema, child, 0); |
| } else if (IS_SCHEMA(child, "group")) { |
| subtype = xmlSchemaParseGroup(ctxt, schema, child, 0); |
| } else if (IS_SCHEMA(child, "any")) { |
| subtype = xmlSchemaParseAny(ctxt, schema, child); |
| } else if (IS_SCHEMA(child, "choice")) { |
| subtype = xmlSchemaParseChoice(ctxt, schema, child); |
| } else if (IS_SCHEMA(child, "sequence")) { |
| subtype = xmlSchemaParseSequence(ctxt, schema, child); |
| } |
| if (subtype != NULL) { |
| if (last == NULL) { |
| type->subtypes = subtype; |
| last = subtype; |
| } else { |
| last->next = subtype; |
| last = subtype; |
| } |
| last->next = NULL; |
| } |
| child = child->next; |
| } |
| if (child != NULL) { |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_UNKNOWN_SEQUENCE_CHILD, |
| "Sequence %s has unexpected content\n", type->name, |
| NULL); |
| } |
| |
| return (type); |
| } |
| |
| /** |
| * xmlSchemaParseRestriction: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @node: a subtree containing XML Schema informations |
| * @simple: is that part of a simple type. |
| * |
| * parse a XML schema Restriction definition |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns the type definition or NULL in case of error |
| */ |
| static xmlSchemaTypePtr |
| xmlSchemaParseRestriction(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, |
| xmlNodePtr node, int simple) |
| { |
| xmlSchemaTypePtr type, subtype; |
| xmlSchemaFacetPtr facet, lastfacet = NULL; |
| xmlNodePtr child = NULL; |
| xmlChar name[30]; |
| const xmlChar *oldcontainer; |
| |
| if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) |
| return (NULL); |
| |
| oldcontainer = ctxt->container; |
| |
| snprintf((char *) name, 30, "restriction %d", ctxt->counter++ + 1); |
| type = xmlSchemaAddType(ctxt, schema, name, NULL); |
| if (type == NULL) |
| return (NULL); |
| type->node = node; |
| type->type = XML_SCHEMA_TYPE_RESTRICTION; |
| type->id = xmlSchemaGetProp(ctxt, node, "id"); |
| type->base = xmlGetQNameProp(ctxt, node, "base", &(type->baseNs)); |
| if ((!simple) && (type->base == NULL)) { |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_RESTRICTION_NONAME_NOREF, |
| "Restriction %s has no base\n", type->name, NULL); |
| } |
| ctxt->container = name; |
| |
| child = node->children; |
| if (IS_SCHEMA(child, "annotation")) { |
| type->annot = xmlSchemaParseAnnotation(ctxt, schema, child); |
| child = child->next; |
| } |
| subtype = NULL; |
| |
| if (IS_SCHEMA(child, "all")) { |
| subtype = (xmlSchemaTypePtr) |
| xmlSchemaParseAll(ctxt, schema, child); |
| child = child->next; |
| type->subtypes = subtype; |
| } else if (IS_SCHEMA(child, "choice")) { |
| subtype = xmlSchemaParseChoice(ctxt, schema, child); |
| child = child->next; |
| type->subtypes = subtype; |
| } else if (IS_SCHEMA(child, "sequence")) { |
| subtype = (xmlSchemaTypePtr) |
| xmlSchemaParseSequence(ctxt, schema, child); |
| child = child->next; |
| type->subtypes = subtype; |
| } else if (IS_SCHEMA(child, "group")) { |
| subtype = (xmlSchemaTypePtr) |
| xmlSchemaParseGroup(ctxt, schema, child, 0); |
| child = child->next; |
| type->subtypes = subtype; |
| } else { |
| if (IS_SCHEMA(child, "simpleType")) { |
| subtype = (xmlSchemaTypePtr) |
| xmlSchemaParseSimpleType(ctxt, schema, child, 0); |
| child = child->next; |
| type->baseType = subtype; |
| } |
| /* |
| * Facets |
| */ |
| while ((IS_SCHEMA(child, "minInclusive")) || |
| (IS_SCHEMA(child, "minExclusive")) || |
| (IS_SCHEMA(child, "maxInclusive")) || |
| (IS_SCHEMA(child, "maxExclusive")) || |
| (IS_SCHEMA(child, "totalDigits")) || |
| (IS_SCHEMA(child, "fractionDigits")) || |
| (IS_SCHEMA(child, "pattern")) || |
| (IS_SCHEMA(child, "enumeration")) || |
| (IS_SCHEMA(child, "whiteSpace")) || |
| (IS_SCHEMA(child, "length")) || |
| (IS_SCHEMA(child, "maxLength")) || |
| (IS_SCHEMA(child, "minLength"))) { |
| facet = xmlSchemaParseFacet(ctxt, schema, child); |
| if (facet != NULL) { |
| if (lastfacet == NULL) { |
| type->facets = facet; |
| lastfacet = facet; |
| } else { |
| lastfacet->next = facet; |
| lastfacet = facet; |
| } |
| lastfacet->next = NULL; |
| } |
| child = child->next; |
| } |
| } |
| /* TODO: a restriction of simpleType does not contain any |
| * attribute declarations. |
| */ |
| child = xmlSchemaParseAttrDecls(ctxt, schema, child, type); |
| if (child != NULL) { |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_UNKNOWN_RESTRICTION_CHILD, |
| "Restriction %s has unexpected content\n", |
| type->name, NULL); |
| } |
| ctxt->container = oldcontainer; |
| return (type); |
| } |
| |
| /** |
| * xmlSchemaParseExtension: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @node: a subtree containing XML Schema informations |
| * |
| * parse a XML schema Extension definition |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns the type definition or NULL in case of error |
| */ |
| static xmlSchemaTypePtr |
| xmlSchemaParseExtension(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, |
| xmlNodePtr node) |
| { |
| xmlSchemaTypePtr type, subtype; |
| xmlNodePtr child = NULL; |
| xmlChar name[30]; |
| const xmlChar *oldcontainer; |
| |
| if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) |
| return (NULL); |
| |
| oldcontainer = ctxt->container; |
| |
| snprintf((char *) name, 30, "extension %d", ctxt->counter++ + 1); |
| type = xmlSchemaAddType(ctxt, schema, name, NULL); |
| if (type == NULL) |
| return (NULL); |
| type->node = node; |
| type->type = XML_SCHEMA_TYPE_EXTENSION; |
| type->id = xmlSchemaGetProp(ctxt, node, "id"); |
| ctxt->container = name; |
| |
| type->base = xmlGetQNameProp(ctxt, node, "base", &(type->baseNs)); |
| if (type->base == NULL) { |
| xmlSchemaPErr2(ctxt, node, child, XML_SCHEMAP_EXTENSION_NO_BASE, |
| "Extension %s has no base\n", type->name, NULL); |
| } |
| child = node->children; |
| if (IS_SCHEMA(child, "annotation")) { |
| type->annot = xmlSchemaParseAnnotation(ctxt, schema, child); |
| child = child->next; |
| } |
| subtype = NULL; |
| |
| if (IS_SCHEMA(child, "all")) { |
| subtype = xmlSchemaParseAll(ctxt, schema, child); |
| child = child->next; |
| } else if (IS_SCHEMA(child, "choice")) { |
| subtype = xmlSchemaParseChoice(ctxt, schema, child); |
| child = child->next; |
| } else if (IS_SCHEMA(child, "sequence")) { |
| subtype = xmlSchemaParseSequence(ctxt, schema, child); |
| child = child->next; |
| } else if (IS_SCHEMA(child, "group")) { |
| subtype = xmlSchemaParseGroup(ctxt, schema, child, 0); |
| child = child->next; |
| } |
| if (subtype != NULL) |
| type->subtypes = subtype; |
| child = xmlSchemaParseAttrDecls(ctxt, schema, child, type); |
| if (child != NULL) { |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_UNKNOWN_EXTENSION_CHILD, |
| "Extension %s has unexpected content\n", type->name, |
| NULL); |
| } |
| ctxt->container = oldcontainer; |
| return (type); |
| } |
| |
| /** |
| * xmlSchemaParseSimpleContent: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @node: a subtree containing XML Schema informations |
| * |
| * parse a XML schema SimpleContent definition |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns the type definition or NULL in case of error |
| */ |
| static xmlSchemaTypePtr |
| xmlSchemaParseSimpleContent(xmlSchemaParserCtxtPtr ctxt, |
| xmlSchemaPtr schema, xmlNodePtr node) |
| { |
| xmlSchemaTypePtr type, subtype; |
| xmlNodePtr child = NULL; |
| xmlChar name[30]; |
| |
| if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) |
| return (NULL); |
| |
| snprintf((char *) name, 30, "simpleContent %d", ctxt->counter++ + 1); |
| type = xmlSchemaAddType(ctxt, schema, name, NULL); |
| if (type == NULL) |
| return (NULL); |
| type->node = node; |
| type->type = XML_SCHEMA_TYPE_SIMPLE_CONTENT; |
| type->id = xmlSchemaGetProp(ctxt, node, "id"); |
| |
| child = node->children; |
| if (IS_SCHEMA(child, "annotation")) { |
| type->annot = xmlSchemaParseAnnotation(ctxt, schema, child); |
| child = child->next; |
| } |
| subtype = NULL; |
| if (IS_SCHEMA(child, "restriction")) { |
| subtype = (xmlSchemaTypePtr) |
| xmlSchemaParseRestriction(ctxt, schema, child, 0); |
| child = child->next; |
| } else if (IS_SCHEMA(child, "extension")) { |
| subtype = (xmlSchemaTypePtr) |
| xmlSchemaParseExtension(ctxt, schema, child); |
| child = child->next; |
| } |
| type->subtypes = subtype; |
| if (child != NULL) { |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_UNKNOWN_SIMPLECONTENT_CHILD, |
| "SimpleContent %s has unexpected content\n", |
| type->name, NULL); |
| } |
| return (type); |
| } |
| |
| /** |
| * xmlSchemaParseComplexContent: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @node: a subtree containing XML Schema informations |
| * |
| * parse a XML schema ComplexContent definition |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns the type definition or NULL in case of error |
| */ |
| static xmlSchemaTypePtr |
| xmlSchemaParseComplexContent(xmlSchemaParserCtxtPtr ctxt, |
| xmlSchemaPtr schema, xmlNodePtr node) |
| { |
| xmlSchemaTypePtr type, subtype; |
| xmlNodePtr child = NULL; |
| xmlChar name[30]; |
| |
| if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) |
| return (NULL); |
| |
| |
| snprintf((char *) name, 30, "complexContent %d", ctxt->counter++ + 1); |
| type = xmlSchemaAddType(ctxt, schema, name, NULL); |
| if (type == NULL) |
| return (NULL); |
| type->node = node; |
| type->type = XML_SCHEMA_TYPE_COMPLEX_CONTENT; |
| type->id = xmlSchemaGetProp(ctxt, node, "id"); |
| |
| child = node->children; |
| if (IS_SCHEMA(child, "annotation")) { |
| type->annot = xmlSchemaParseAnnotation(ctxt, schema, child); |
| child = child->next; |
| } |
| subtype = NULL; |
| if (IS_SCHEMA(child, "restriction")) { |
| subtype = (xmlSchemaTypePtr) |
| xmlSchemaParseRestriction(ctxt, schema, child, 0); |
| child = child->next; |
| } else if (IS_SCHEMA(child, "extension")) { |
| subtype = (xmlSchemaTypePtr) |
| xmlSchemaParseExtension(ctxt, schema, child); |
| child = child->next; |
| } |
| type->subtypes = subtype; |
| if (child != NULL) { |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_UNKNOWN_COMPLEXCONTENT_CHILD, |
| "ComplexContent %s has unexpected content\n", |
| type->name, NULL); |
| } |
| return (type); |
| } |
| |
| /** |
| * xmlSchemaParseComplexType: |
| * @ctxt: a schema validation context |
| * @schema: the schema being built |
| * @node: a subtree containing XML Schema informations |
| * |
| * parse a XML schema Complex Type definition |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns the type definition or NULL in case of error |
| */ |
| static xmlSchemaTypePtr |
| xmlSchemaParseComplexType(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, |
| xmlNodePtr node, int topLevel) |
| { |
| xmlSchemaTypePtr type, subtype; |
| xmlNodePtr child = NULL; |
| const xmlChar *name; |
| const xmlChar *oldcontainer; |
| char buf[100]; |
| |
| if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) |
| return (NULL); |
| |
| oldcontainer = ctxt->container; |
| name = xmlSchemaGetProp(ctxt, node, "name"); |
| if (name == NULL) { |
| snprintf(buf, 99, "complexType %d", ctxt->counter++ + 1); |
| name = (const xmlChar *)buf; |
| type = xmlSchemaAddType(ctxt, schema, name, NULL); |
| } else { |
| |
| /* local = xmlSchemaGetNamespace(ctxt, schema, node, name, &ns); */ |
| type = xmlSchemaAddType(ctxt, schema, name, schema->targetNamespace); |
| } |
| if (type == NULL) { |
| return (NULL); |
| } |
| if (xmlGetBooleanProp(ctxt, node, "mixed", 0)) |
| type->flags |= XML_SCHEMAS_TYPE_MIXED; |
| |
| type->node = node; |
| type->type = XML_SCHEMA_TYPE_COMPLEX; |
| if (topLevel) |
| type->flags |= XML_SCHEMAS_TYPE_GLOBAL; |
| type->id = xmlSchemaGetProp(ctxt, node, "id"); |
| ctxt->container = name; |
| |
| child = node->children; |
| if (IS_SCHEMA(child, "annotation")) { |
| type->annot = xmlSchemaParseAnnotation(ctxt, schema, child); |
| child = child->next; |
| } |
| if (IS_SCHEMA(child, "simpleContent")) { |
| /* 3.4.3 : 2.2 |
| * Specifying mixed='true' when the <simpleContent> |
| * alternative is chosen has no effect |
| */ |
| if (type->flags & XML_SCHEMAS_TYPE_MIXED) |
| type->flags ^= XML_SCHEMAS_TYPE_MIXED; |
| type->subtypes = xmlSchemaParseSimpleContent(ctxt, schema, child); |
| child = child->next; |
| } else if (IS_SCHEMA(child, "complexContent")) { |
| type->subtypes = xmlSchemaParseComplexContent(ctxt, schema, child); |
| child = child->next; |
| } else { |
| subtype = NULL; |
| |
| if (IS_SCHEMA(child, "all")) { |
| subtype = xmlSchemaParseAll(ctxt, schema, child); |
| child = child->next; |
| } else if (IS_SCHEMA(child, "choice")) { |
| subtype = xmlSchemaParseChoice(ctxt, schema, child); |
| child = child->next; |
| } else if (IS_SCHEMA(child, "sequence")) { |
| subtype = xmlSchemaParseSequence(ctxt, schema, child); |
| child = child->next; |
| } else if (IS_SCHEMA(child, "group")) { |
| subtype = xmlSchemaParseGroup(ctxt, schema, child, 0); |
| child = child->next; |
| } |
| if (subtype != NULL) |
| type->subtypes = subtype; |
| child = xmlSchemaParseAttrDecls(ctxt, schema, child, type); |
| } |
| if (child != NULL) { |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_UNKNOWN_COMPLEXTYPE_CHILD, |
| "ComplexType %s has unexpected content\n", |
| type->name, NULL); |
| } |
| if (type->attributeWildcard != NULL) |
| type->flags |= XML_SCHEMAS_TYPE_OWNED_ATTR_WILDCARD; |
| ctxt->container = oldcontainer; |
| return (type); |
| } |
| |
| /** |
| * xmlSchemaParseSchema: |
| * @ctxt: a schema validation context |
| * @node: a subtree containing XML Schema informations |
| * |
| * parse a XML schema definition from a node set |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns the internal XML Schema structure built from the resource or |
| * NULL in case of error |
| */ |
| static xmlSchemaPtr |
| xmlSchemaParseSchema(xmlSchemaParserCtxtPtr ctxt, xmlNodePtr node) |
| { |
| xmlSchemaPtr schema = NULL; |
| xmlNodePtr child = NULL; |
| const xmlChar *val; |
| int nberrors; |
| |
| if ((ctxt == NULL) || (node == NULL)) |
| return (NULL); |
| |
| nberrors = ctxt->nberrors; |
| ctxt->nberrors = 0; |
| if (IS_SCHEMA(node, "schema")) { |
| schema = xmlSchemaNewSchema(ctxt); |
| if (schema == NULL) |
| return (NULL); |
| val = xmlSchemaGetProp(ctxt, node, "targetNamespace"); |
| if (val != NULL) { |
| schema->targetNamespace = xmlDictLookup(ctxt->dict, val, -1); |
| } else { |
| schema->targetNamespace = NULL; |
| } |
| schema->id = xmlSchemaGetProp(ctxt, node, "id"); |
| schema->version = xmlSchemaGetProp(ctxt, node, "version"); |
| val = xmlSchemaGetProp(ctxt, node, "elementFormDefault"); |
| if (val != NULL) { |
| if (xmlStrEqual(val, BAD_CAST "qualified")) |
| schema->flags |= XML_SCHEMAS_QUALIF_ELEM; |
| else if (!xmlStrEqual(val, BAD_CAST "unqualified")) { |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_ELEMFORMDEFAULT_VALUE, |
| "Invalid value %s for elementFormDefault\n", |
| val, NULL); |
| } |
| } else { |
| schema->flags |= XML_SCHEMAS_QUALIF_ELEM; |
| } |
| val = xmlSchemaGetProp(ctxt, node, "attributeFormDefault"); |
| if (val != NULL) { |
| if (xmlStrEqual(val, BAD_CAST "qualified")) |
| schema->flags |= XML_SCHEMAS_QUALIF_ATTR; |
| else if (!xmlStrEqual(val, BAD_CAST "unqualified")) { |
| xmlSchemaPErr2(ctxt, node, child, |
| XML_SCHEMAP_ATTRFORMDEFAULT_VALUE, |
| "Invalid value %s for attributeFormDefault\n", |
| val, NULL); |
| } |
| } |
| |
| xmlSchemaParseSchemaTopLevel(ctxt, schema, node->children); |
| } else { |
| xmlDocPtr doc; |
| |
| doc = node->doc; |
| |
| if ((doc != NULL) && (doc->URL != NULL)) { |
| xmlSchemaPErr(ctxt, (xmlNodePtr) doc, |
| XML_SCHEMAP_NOT_SCHEMA, |
| "File %s is not a schemas", doc->URL, NULL); |
| } else { |
| xmlSchemaPErr(ctxt, (xmlNodePtr) doc, |
| XML_SCHEMAP_NOT_SCHEMA, |
| "File is not a schemas", NULL, NULL); |
| } |
| return(NULL); |
| } |
| if (ctxt->nberrors != 0) { |
| if (schema != NULL) { |
| xmlSchemaFree(schema); |
| schema = NULL; |
| } |
| } |
| ctxt->nberrors = nberrors; |
| #ifdef DEBUG |
| if (schema == NULL) |
| xmlGenericError(xmlGenericErrorContext, |
| "xmlSchemaParse() failed\n"); |
| #endif |
| return (schema); |
| } |
| |
| /************************************************************************ |
| * * |
| * Validating using Schemas * |
| * * |
| ************************************************************************/ |
| |
| /************************************************************************ |
| * * |
| * Reading/Writing Schemas * |
| * * |
| ************************************************************************/ |
| |
| /** |
| * xmlSchemaNewParserCtxt: |
| * @URL: the location of the schema |
| * |
| * Create an XML Schemas parse context for that file/resource expected |
| * to contain an XML Schemas file. |
| * |
| * Returns the parser context or NULL in case of error |
| */ |
| xmlSchemaParserCtxtPtr |
| xmlSchemaNewParserCtxt(const char *URL) |
| { |
| xmlSchemaParserCtxtPtr ret; |
| |
| if (URL == NULL) |
| return (NULL); |
| |
| ret = (xmlSchemaParserCtxtPtr) xmlMalloc(sizeof(xmlSchemaParserCtxt)); |
| if (ret == NULL) { |
| xmlSchemaPErrMemory(NULL, "allocating schama parser context", |
| NULL); |
| return (NULL); |
| } |
| memset(ret, 0, sizeof(xmlSchemaParserCtxt)); |
| ret->dict = xmlDictCreate(); |
| ret->URL = xmlDictLookup(ret->dict, (const xmlChar *) URL, -1); |
| ret->includes = 0; |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaNewMemParserCtxt: |
| * @buffer: a pointer to a char array containing the schemas |
| * @size: the size of the array |
| * |
| * Create an XML Schemas parse context for that memory buffer expected |
| * to contain an XML Schemas file. |
| * |
| * Returns the parser context or NULL in case of error |
| */ |
| xmlSchemaParserCtxtPtr |
| xmlSchemaNewMemParserCtxt(const char *buffer, int size) |
| { |
| xmlSchemaParserCtxtPtr ret; |
| |
| if ((buffer == NULL) || (size <= 0)) |
| return (NULL); |
| |
| ret = (xmlSchemaParserCtxtPtr) xmlMalloc(sizeof(xmlSchemaParserCtxt)); |
| if (ret == NULL) { |
| xmlSchemaPErrMemory(NULL, "allocating schama parser context", |
| NULL); |
| return (NULL); |
| } |
| memset(ret, 0, sizeof(xmlSchemaParserCtxt)); |
| ret->buffer = buffer; |
| ret->size = size; |
| ret->dict = xmlDictCreate(); |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaNewDocParserCtxt: |
| * @doc: a preparsed document tree |
| * |
| * Create an XML Schemas parse context for that document. |
| * NB. The document may be modified during the parsing process. |
| * |
| * Returns the parser context or NULL in case of error |
| */ |
| xmlSchemaParserCtxtPtr |
| xmlSchemaNewDocParserCtxt(xmlDocPtr doc) |
| { |
| xmlSchemaParserCtxtPtr ret; |
| |
| if (doc == NULL) |
| return (NULL); |
| |
| ret = (xmlSchemaParserCtxtPtr) xmlMalloc(sizeof(xmlSchemaParserCtxt)); |
| if (ret == NULL) { |
| xmlSchemaPErrMemory(NULL, "allocating schema parser context", |
| NULL); |
| return (NULL); |
| } |
| memset(ret, 0, sizeof(xmlSchemaParserCtxt)); |
| ret->doc = doc; |
| ret->dict = xmlDictCreate(); |
| /* The application has responsibility for the document */ |
| ret->preserve = 1; |
| |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaFreeParserCtxt: |
| * @ctxt: the schema parser context |
| * |
| * Free the resources associated to the schema parser context |
| */ |
| void |
| xmlSchemaFreeParserCtxt(xmlSchemaParserCtxtPtr ctxt) |
| { |
| if (ctxt == NULL) |
| return; |
| if (ctxt->doc != NULL && !ctxt->preserve) |
| xmlFreeDoc(ctxt->doc); |
| xmlDictFree(ctxt->dict); |
| xmlFree(ctxt); |
| } |
| |
| /************************************************************************ |
| * * |
| * Building the content models * |
| * * |
| ************************************************************************/ |
| |
| /** |
| * xmlSchemaBuildAContentModel: |
| * @type: the schema type definition |
| * @ctxt: the schema parser context |
| * @name: the element name whose content is being built |
| * |
| * Generate the automata sequence needed for that type |
| */ |
| static void |
| xmlSchemaBuildAContentModel(xmlSchemaTypePtr type, |
| xmlSchemaParserCtxtPtr ctxt, |
| const xmlChar * name) |
| { |
| if (type == NULL) { |
| xmlGenericError(xmlGenericErrorContext, |
| "Found unexpected type = NULL in %s content model\n", |
| name); |
| return; |
| } |
| switch (type->type) { |
| case XML_SCHEMA_TYPE_ANY: |
| /* TODO : handle the namespace too */ |
| /* TODO : make that a specific transition type */ |
| TODO ctxt->state = |
| xmlAutomataNewTransition(ctxt->am, ctxt->state, NULL, |
| BAD_CAST "*", NULL); |
| break; |
| case XML_SCHEMA_TYPE_ELEMENT:{ |
| xmlSchemaElementPtr elem = (xmlSchemaElementPtr) type; |
| |
| /* TODO : handle the namespace too */ |
| xmlAutomataStatePtr oldstate = ctxt->state; |
| |
| if (elem->maxOccurs >= UNBOUNDED) { |
| if (elem->minOccurs > 1) { |
| xmlAutomataStatePtr tmp; |
| int counter; |
| |
| ctxt->state = xmlAutomataNewEpsilon(ctxt->am, |
| oldstate, |
| NULL); |
| oldstate = ctxt->state; |
| |
| counter = xmlAutomataNewCounter(ctxt->am, |
| elem->minOccurs - |
| 1, UNBOUNDED); |
| |
| if (elem->refDecl != NULL) { |
| xmlSchemaBuildAContentModel((xmlSchemaTypePtr) |
| elem->refDecl, |
| ctxt, |
| elem->refDecl-> |
| name); |
| } else { |
| ctxt->state = |
| xmlAutomataNewTransition(ctxt->am, |
| ctxt->state, NULL, |
| elem->name, type); |
| } |
| tmp = ctxt->state; |
| xmlAutomataNewCountedTrans(ctxt->am, tmp, oldstate, |
| counter); |
| ctxt->state = |
| xmlAutomataNewCounterTrans(ctxt->am, tmp, NULL, |
| counter); |
| |
| } else { |
| if (elem->refDecl != NULL) { |
| xmlSchemaBuildAContentModel((xmlSchemaTypePtr) |
| elem->refDecl, |
| ctxt, |
| elem->refDecl-> |
| name); |
| } else { |
| ctxt->state = |
| xmlAutomataNewTransition(ctxt->am, |
| ctxt->state, NULL, |
| elem->name, type); |
| } |
| xmlAutomataNewEpsilon(ctxt->am, ctxt->state, |
| oldstate); |
| if (elem->minOccurs == 0) { |
| /* basically an elem* */ |
| xmlAutomataNewEpsilon(ctxt->am, oldstate, |
| ctxt->state); |
| } |
| } |
| } else if ((elem->maxOccurs > 1) || (elem->minOccurs > 1)) { |
| xmlAutomataStatePtr tmp; |
| int counter; |
| |
| ctxt->state = xmlAutomataNewEpsilon(ctxt->am, |
| oldstate, NULL); |
| oldstate = ctxt->state; |
| |
| counter = xmlAutomataNewCounter(ctxt->am, |
| elem->minOccurs - 1, |
| elem->maxOccurs - 1); |
| |
| if (elem->refDecl != NULL) { |
| xmlSchemaBuildAContentModel((xmlSchemaTypePtr) |
| elem->refDecl, ctxt, |
| elem->refDecl->name); |
| } else { |
| ctxt->state = xmlAutomataNewTransition(ctxt->am, |
| ctxt->state, |
| NULL, |
| elem->name, |
| type); |
| } |
| tmp = ctxt->state; |
| xmlAutomataNewCountedTrans(ctxt->am, tmp, oldstate, |
| counter); |
| ctxt->state = xmlAutomataNewCounterTrans(ctxt->am, tmp, |
| NULL, |
| counter); |
| if (elem->minOccurs == 0) { |
| /* basically an elem? */ |
| xmlAutomataNewEpsilon(ctxt->am, oldstate, |
| ctxt->state); |
| } |
| |
| } else { |
| if (elem->refDecl != NULL) { |
| xmlSchemaBuildAContentModel((xmlSchemaTypePtr) |
| elem->refDecl, ctxt, |
| elem->refDecl->name); |
| } else { |
| ctxt->state = xmlAutomataNewTransition(ctxt->am, |
| ctxt->state, |
| NULL, |
| elem->name, |
| type); |
| } |
| if (elem->minOccurs == 0) { |
| /* basically an elem? */ |
| xmlAutomataNewEpsilon(ctxt->am, oldstate, |
| ctxt->state); |
| } |
| } |
| break; |
| } |
| case XML_SCHEMA_TYPE_SEQUENCE:{ |
| xmlSchemaTypePtr subtypes; |
| |
| /* |
| * If max and min occurances are default (1) then |
| * simply iterate over the subtypes |
| */ |
| if ((type->minOccurs == 1) && (type->maxOccurs == 1)) { |
| subtypes = type->subtypes; |
| while (subtypes != NULL) { |
| xmlSchemaBuildAContentModel(subtypes, ctxt, name); |
| subtypes = subtypes->next; |
| } |
| } else { |
| xmlAutomataStatePtr oldstate = ctxt->state; |
| |
| if (type->maxOccurs >= UNBOUNDED) { |
| if (type->minOccurs > 1) { |
| xmlAutomataStatePtr tmp; |
| int counter; |
| |
| ctxt->state = xmlAutomataNewEpsilon(ctxt->am, |
| oldstate, |
| NULL); |
| oldstate = ctxt->state; |
| |
| counter = xmlAutomataNewCounter(ctxt->am, |
| type-> |
| minOccurs - 1, |
| UNBOUNDED); |
| |
| subtypes = type->subtypes; |
| while (subtypes != NULL) { |
| xmlSchemaBuildAContentModel(subtypes, ctxt, |
| name); |
| subtypes = subtypes->next; |
| } |
| tmp = ctxt->state; |
| xmlAutomataNewCountedTrans(ctxt->am, tmp, |
| oldstate, counter); |
| ctxt->state = |
| xmlAutomataNewCounterTrans(ctxt->am, tmp, |
| NULL, counter); |
| |
| } else { |
| subtypes = type->subtypes; |
| while (subtypes != NULL) { |
| xmlSchemaBuildAContentModel(subtypes, ctxt, |
| name); |
| subtypes = subtypes->next; |
| } |
| xmlAutomataNewEpsilon(ctxt->am, ctxt->state, |
| oldstate); |
| if (type->minOccurs == 0) { |
| xmlAutomataNewEpsilon(ctxt->am, oldstate, |
| ctxt->state); |
| } |
| } |
| } else if ((type->maxOccurs > 1) |
| || (type->minOccurs > 1)) { |
| xmlAutomataStatePtr tmp; |
| int counter; |
| |
| ctxt->state = xmlAutomataNewEpsilon(ctxt->am, |
| oldstate, |
| NULL); |
| oldstate = ctxt->state; |
| |
| counter = xmlAutomataNewCounter(ctxt->am, |
| type->minOccurs - |
| 1, |
| type->maxOccurs - |
| 1); |
| |
| subtypes = type->subtypes; |
| while (subtypes != NULL) { |
| xmlSchemaBuildAContentModel(subtypes, ctxt, |
| name); |
| subtypes = subtypes->next; |
| } |
| tmp = ctxt->state; |
| xmlAutomataNewCountedTrans(ctxt->am, tmp, oldstate, |
| counter); |
| ctxt->state = |
| xmlAutomataNewCounterTrans(ctxt->am, tmp, NULL, |
| counter); |
| if (type->minOccurs == 0) { |
| xmlAutomataNewEpsilon(ctxt->am, oldstate, |
| ctxt->state); |
| } |
| |
| } else { |
| subtypes = type->subtypes; |
| while (subtypes != NULL) { |
| xmlSchemaBuildAContentModel(subtypes, ctxt, |
| name); |
| subtypes = subtypes->next; |
| } |
| if (type->minOccurs == 0) { |
| xmlAutomataNewEpsilon(ctxt->am, oldstate, |
| ctxt->state); |
| } |
| } |
| } |
| break; |
| } |
| case XML_SCHEMA_TYPE_CHOICE:{ |
| xmlSchemaTypePtr subtypes; |
| xmlAutomataStatePtr start, end; |
| |
| start = ctxt->state; |
| end = xmlAutomataNewState(ctxt->am); |
| |
| /* |
| * iterate over the subtypes and remerge the end with an |
| * epsilon transition |
| */ |
| if (type->maxOccurs == 1) { |
| subtypes = type->subtypes; |
| while (subtypes != NULL) { |
| ctxt->state = start; |
| xmlSchemaBuildAContentModel(subtypes, ctxt, name); |
| xmlAutomataNewEpsilon(ctxt->am, ctxt->state, end); |
| subtypes = subtypes->next; |
| } |
| } else { |
| int counter; |
| xmlAutomataStatePtr hop; |
| int maxOccurs = type->maxOccurs == UNBOUNDED ? |
| UNBOUNDED : type->maxOccurs - 1; |
| int minOccurs = |
| type->minOccurs < 1 ? 0 : type->minOccurs - 1; |
| |
| /* |
| * use a counter to keep track of the number of transtions |
| * which went through the choice. |
| */ |
| counter = |
| xmlAutomataNewCounter(ctxt->am, minOccurs, |
| maxOccurs); |
| hop = xmlAutomataNewState(ctxt->am); |
| |
| subtypes = type->subtypes; |
| while (subtypes != NULL) { |
| ctxt->state = start; |
| xmlSchemaBuildAContentModel(subtypes, ctxt, name); |
| xmlAutomataNewEpsilon(ctxt->am, ctxt->state, hop); |
| subtypes = subtypes->next; |
| } |
| xmlAutomataNewCountedTrans(ctxt->am, hop, start, |
| counter); |
| xmlAutomataNewCounterTrans(ctxt->am, hop, end, |
| counter); |
| } |
| if (type->minOccurs == 0) { |
| xmlAutomataNewEpsilon(ctxt->am, start, end); |
| } |
| ctxt->state = end; |
| break; |
| } |
| case XML_SCHEMA_TYPE_ALL:{ |
| xmlAutomataStatePtr start; |
| xmlSchemaTypePtr subtypes; |
| /* |
| * Changed, since type in not an xmlSchemaElement here. |
| */ |
| /* xmlSchemaElementPtr elem = (xmlSchemaElementPtr) type; */ |
| xmlSchemaElementPtr elem; |
| int lax; |
| |
| subtypes = type->subtypes; |
| if (subtypes == NULL) |
| break; |
| start = ctxt->state; |
| while (subtypes != NULL) { |
| ctxt->state = start; |
| /* |
| * the following 'if' was needed to fix bug 139897 |
| * not quite sure why it only needs to be done for |
| * elements with a 'ref', but it seems to work ok. |
| */ |
| if (subtypes->ref != NULL) |
| xmlSchemaBuildAContentModel(subtypes, ctxt, name); |
| elem = (xmlSchemaElementPtr) subtypes; |
| /* TODO : handle the namespace too */ |
| if ((elem->minOccurs == 1) && (elem->maxOccurs == 1)) { |
| xmlAutomataNewOnceTrans(ctxt->am, ctxt->state, |
| ctxt->state, elem->name, 1, |
| 1, subtypes); |
| } else { |
| xmlAutomataNewCountTrans(ctxt->am, ctxt->state, |
| ctxt->state, elem->name, |
| elem->minOccurs, |
| elem->maxOccurs, |
| subtypes); |
| } |
| subtypes = subtypes->next; |
| } |
| lax = type->minOccurs == 0; |
| ctxt->state = |
| xmlAutomataNewAllTrans(ctxt->am, ctxt->state, NULL, |
| lax); |
| break; |
| } |
| case XML_SCHEMA_TYPE_RESTRICTION: |
| if (type->subtypes != NULL) |
| xmlSchemaBuildAContentModel(type->subtypes, ctxt, name); |
| break; |
| case XML_SCHEMA_TYPE_EXTENSION: |
| if (type->baseType != NULL) { |
| xmlSchemaTypePtr subtypes; |
| |
| if (type->recurse) { |
| xmlSchemaPErr(ctxt, type->node, |
| XML_SCHEMAP_UNKNOWN_BASE_TYPE, |
| "Schemas: extension type %s is recursive\n", |
| type->name, NULL); |
| return; |
| } |
| type->recurse = 1; |
| xmlSchemaBuildAContentModel(type->baseType, ctxt, name); |
| type->recurse = 0; |
| subtypes = type->subtypes; |
| while (subtypes != NULL) { |
| xmlSchemaBuildAContentModel(subtypes, ctxt, name); |
| subtypes = subtypes->next; |
| } |
| } else if (type->subtypes != NULL) |
| xmlSchemaBuildAContentModel(type->subtypes, ctxt, name); |
| break; |
| case XML_SCHEMA_TYPE_GROUP: |
| if (type->subtypes == NULL) { |
| xmlSchemaTypePtr rgroup; |
| if (type->ref != NULL) { |
| rgroup = xmlSchemaGetGroup(ctxt->schema, type->ref, |
| type->refNs); |
| if (rgroup == NULL) { |
| xmlSchemaPErr(ctxt, type->node, |
| XML_SCHEMAP_UNKNOWN_REF, |
| "Schemas: group %s reference %s is not found", |
| name, type->ref); |
| return; |
| } |
| xmlSchemaBuildAContentModel(rgroup, ctxt, name); |
| break; |
| } |
| } |
| case XML_SCHEMA_TYPE_COMPLEX: |
| case XML_SCHEMA_TYPE_COMPLEX_CONTENT: |
| if (type->subtypes != NULL) |
| xmlSchemaBuildAContentModel(type->subtypes, ctxt, name); |
| break; |
| default: |
| xmlGenericError(xmlGenericErrorContext, |
| "Found unexpected type %d in %s content model\n", |
| type->type, name); |
| return; |
| } |
| } |
| |
| /** |
| * xmlSchemaBuildContentModel: |
| * @elem: the element |
| * @ctxt: the schema parser context |
| * @name: the element name |
| * |
| * Builds the content model of the element. |
| */ |
| static void |
| xmlSchemaBuildContentModel(xmlSchemaElementPtr elem, |
| xmlSchemaParserCtxtPtr ctxt, |
| const xmlChar * name) |
| { |
| xmlAutomataStatePtr start; |
| |
| if (elem->contModel != NULL) |
| return; |
| if (elem->subtypes == NULL) { |
| elem->contentType = XML_SCHEMA_CONTENT_ANY; |
| return; |
| } |
| if (elem->subtypes->type != XML_SCHEMA_TYPE_COMPLEX) |
| return; |
| if ((elem->subtypes->contentType == XML_SCHEMA_CONTENT_BASIC) || |
| (elem->subtypes->contentType == XML_SCHEMA_CONTENT_SIMPLE)) |
| return; |
| |
| #ifdef DEBUG_CONTENT |
| xmlGenericError(xmlGenericErrorContext, |
| "Building content model for %s\n", name); |
| #endif |
| |
| ctxt->am = xmlNewAutomata(); |
| if (ctxt->am == NULL) { |
| xmlGenericError(xmlGenericErrorContext, |
| "Cannot create automata for elem %s\n", name); |
| return; |
| } |
| start = ctxt->state = xmlAutomataGetInitState(ctxt->am); |
| xmlSchemaBuildAContentModel(elem->subtypes, ctxt, name); |
| xmlAutomataSetFinalState(ctxt->am, ctxt->state); |
| elem->contModel = xmlAutomataCompile(ctxt->am); |
| if (elem->contModel == NULL) { |
| xmlSchemaPErr(ctxt, elem->node, XML_SCHEMAS_ERR_INTERNAL, |
| "failed to compile %s content model\n", name, NULL); |
| } else if (xmlRegexpIsDeterminist(elem->contModel) != 1) { |
| xmlSchemaPErr(ctxt, elem->node, XML_SCHEMAS_ERR_NOTDETERMINIST, |
| "Content model of %s is not determinist:\n", name, |
| NULL); |
| } else { |
| #ifdef DEBUG_CONTENT_REGEXP |
| xmlGenericError(xmlGenericErrorContext, |
| "Content model of %s:\n", name); |
| xmlRegexpPrint(stderr, elem->contModel); |
| #endif |
| } |
| ctxt->state = NULL; |
| xmlFreeAutomata(ctxt->am); |
| ctxt->am = NULL; |
| } |
| |
| /** |
| * xmlSchemaRefFixupCallback: |
| * @elem: the schema element context |
| * @ctxt: the schema parser context |
| * |
| * Free the resources associated to the schema parser context |
| */ |
| static void |
| xmlSchemaRefFixupCallback(xmlSchemaElementPtr elem, |
| xmlSchemaParserCtxtPtr ctxt, |
| const xmlChar * name, |
| const xmlChar * context ATTRIBUTE_UNUSED, |
| const xmlChar * namespace ATTRIBUTE_UNUSED) |
| { |
| if ((ctxt == NULL) || (elem == NULL)) |
| return; |
| |
| if (elem->ref != NULL) { |
| xmlSchemaElementPtr elemDecl; |
| |
| if (elem->subtypes != NULL) { |
| xmlSchemaPErr(ctxt, elem->node, |
| XML_SCHEMAP_INVALID_REF_AND_SUBTYPE, |
| "Schemas: element %s has both ref and subtype\n", |
| name, NULL); |
| return; |
| } |
| elemDecl = xmlSchemaGetElem(ctxt->schema, elem->ref, elem->refNs, 0); |
| |
| if (elemDecl == NULL) { |
| xmlSchemaPErr(ctxt, elem->node, XML_SCHEMAP_UNKNOWN_REF, |
| "Schemas: element %s ref to %s not found\n", |
| name, elem->ref); |
| return; |
| } |
| elem->refDecl = elemDecl; |
| } else if (elem->namedType != NULL) { |
| xmlSchemaTypePtr typeDecl; |
| |
| if (elem->subtypes != NULL) { |
| xmlSchemaPErr(ctxt, elem->node, XML_SCHEMAP_TYPE_AND_SUBTYPE, |
| "Schemas: element %s has both type and subtype\n", |
| name, NULL); |
| return; |
| } |
| typeDecl = xmlSchemaGetType(ctxt->schema, elem->namedType, |
| elem->namedTypeNs); |
| |
| if (typeDecl == NULL) { |
| xmlSchemaPErr(ctxt, elem->node, XML_SCHEMAP_UNKNOWN_TYPE, |
| "Schemas: element %s type %s not found\n", name, |
| elem->namedType); |
| return; |
| } |
| elem->subtypes = typeDecl; |
| } |
| } |
| |
| /** |
| * xmlSchemaParseListRefFixup: |
| * @type: the schema type definition |
| * @ctxt: the schema parser context |
| * |
| * Fixup of the itemType reference of the list type. |
| */ |
| static void |
| xmlSchemaParseListRefFixup(xmlSchemaTypePtr type, xmlSchemaParserCtxtPtr ctxt) |
| { |
| const xmlChar *itemType, *namespace; |
| xmlSchemaTypePtr subtype; |
| |
| /* Handle the "itemType" attribute. */ |
| itemType = xmlGetQNameProp(ctxt, type->node, "itemType", &namespace); |
| if (itemType != NULL) { |
| /* Do not allow more that one item type. */ |
| if (type->subtypes != NULL) { |
| xmlSchemaPErr(ctxt, type->node, |
| XML_SCHEMAP_SUPERNUMEROUS_LIST_ITEM_TYPE, |
| "List %s has more than one item type defined\n", |
| type->name, NULL); |
| } |
| subtype = xmlSchemaGetType(ctxt->schema, itemType, namespace); |
| if (subtype == NULL) { |
| xmlSchemaPErr(ctxt, type->node, XML_SCHEMAP_UNKNOWN_TYPE, |
| "List %s references an unknown item type: %s\n", |
| type->name, xmlSchemaGetProp(ctxt, type->node, |
| "itemType")); |
| } else |
| type->subtypes = subtype; |
| } |
| } |
| |
| /** |
| * xmlSchemaParseUnionRefCheck: |
| * @typeDecl: the schema type definition |
| * @ctxt: the schema parser context |
| * |
| * Checks the memberTypes references of the union type. |
| */ |
| static void |
| xmlSchemaParseUnionRefCheck(xmlSchemaTypePtr type, |
| xmlSchemaParserCtxtPtr ctxt) |
| { |
| const xmlChar *cur, *end, *prefix, *ncName, *namespace; |
| xmlChar *tmp; |
| xmlSchemaTypePtr subtype; |
| xmlNsPtr ns; |
| int len; |
| |
| if ((type->type != XML_SCHEMA_TYPE_UNION) || (type->ref == NULL)) |
| return; |
| |
| cur = type->ref; |
| do { |
| while (IS_BLANK_CH(*cur)) |
| cur++; |
| end = cur; |
| while ((*end != 0) && (!(IS_BLANK_CH(*end)))) |
| end++; |
| if (end == cur) |
| break; |
| tmp = xmlStrndup(cur, end - cur); |
| ncName = xmlSplitQName3(tmp, &len); |
| if (ncName != NULL) { |
| prefix = xmlDictLookup(ctxt->dict, tmp, len); |
| } else { |
| prefix = NULL; |
| ncName = tmp; |
| } |
| ns = xmlSearchNs(type->node->doc, type->node, prefix); |
| if (ns == NULL) { |
| if (prefix != NULL) { |
| xmlSchemaPErr(ctxt, type->node, XML_SCHEMAP_PREFIX_UNDEFINED, |
| "Union %s: the namespace prefix of member type " |
| "%s is undefined\n", |
| type->name, (const xmlChar *) tmp); |
| } |
| namespace = NULL; |
| } else { |
| namespace = xmlDictLookup(ctxt->dict, ns->href, -1); |
| } |
| /* Lookup the referenced type */ |
| subtype = xmlSchemaGetType(ctxt->schema, ncName, namespace); |
| if (subtype == NULL) { |
| xmlSchemaPErr(ctxt, type->node, XML_SCHEMAP_UNKNOWN_MEMBER_TYPE, |
| "Union %s references an unknown member type %s\n", |
| type->name, (const xmlChar *) tmp); |
| } |
| xmlFree(tmp); |
| cur = end; |
| } while (*cur != 0); |
| } |
| |
| /** |
| * xmlSchemaGetOnymousTypeName: |
| * @attr: the attribute declaration/use |
| * |
| * Returns the name of the attribute; if the attribute |
| * is a reference, the name of the referenced global type will be returned. |
| */ |
| static const xmlChar * |
| xmlSchemaGetOnymousAttrName(xmlSchemaAttributePtr attr) |
| { |
| if (attr->ref != NULL) |
| return(attr->ref); |
| else |
| return(attr->name); |
| } |
| |
| /** |
| * xmlSchemaGetOnymousTargetNsURI: |
| * @type: the type (element or attribute) |
| * |
| * Returns the target namespace URI of the type; if the type is a reference, |
| * the target namespace of the referenced type will be returned. |
| */ |
| static const xmlChar * |
| xmlSchemaGetOnymousTargetNsURI(xmlSchemaTypePtr type) |
| { |
| if (type->type == XML_SCHEMA_TYPE_ELEMENT) { |
| if (type->ref != NULL) |
| return(((xmlSchemaElementPtr)((xmlSchemaElementPtr) |
| type)->subtypes)->targetNamespace); |
| else |
| return(((xmlSchemaElementPtr) type)->targetNamespace); |
| } else if (type->type == XML_SCHEMA_TYPE_ATTRIBUTE) { |
| if (type->ref != NULL) |
| return(((xmlSchemaAttributePtr)((xmlSchemaAttributePtr) |
| type)->subtypes)->targetNamespace); |
| else |
| return(((xmlSchemaAttributePtr) type)->targetNamespace); |
| } else |
| return (NULL); |
| } |
| |
| /** |
| * xmlSchemaIsDerivedFromBuiltInType: |
| * @ctxt: the schema parser context |
| * @type: the type definition |
| * @valType: the value type |
| * |
| * |
| * Returns 1 if the type has the given value type, or |
| * is derived from such a type. |
| */ |
| static int |
| xmlSchemaIsDerivedFromBuiltInType(xmlSchemaParserCtxtPtr ctxt, |
| xmlSchemaTypePtr type, int valType) |
| { |
| /* TODO: Check if this works in every case. */ |
| if ((type->type == XML_SCHEMA_TYPE_BASIC) && |
| (type->contentType == XML_SCHEMA_CONTENT_BASIC)) { |
| if (type->flags == valType) |
| return(1); |
| } else if (type->type == XML_SCHEMA_TYPE_ATTRIBUTE) { |
| if (((xmlSchemaAttributePtr) type)->subtypes != NULL) |
| return(xmlSchemaIsDerivedFromBuiltInType(ctxt, |
| ((xmlSchemaAttributePtr) type)->subtypes, valType)); |
| } else if ((type->type == XML_SCHEMA_TYPE_RESTRICTION) || |
| (type->type == XML_SCHEMA_TYPE_EXTENSION)) { |
| if (type->baseType != NULL) |
| return(xmlSchemaIsDerivedFromBuiltInType(ctxt, type->baseType, |
| valType)); |
| } else if ((type->subtypes != NULL) && |
| ((type->subtypes->type == XML_SCHEMA_TYPE_COMPLEX) || |
| (type->subtypes->type == XML_SCHEMA_TYPE_COMPLEX_CONTENT) || |
| (type->subtypes->type == XML_SCHEMA_TYPE_SIMPLE) || |
| (type->subtypes->type == XML_SCHEMA_TYPE_SIMPLE_CONTENT))) { |
| return(xmlSchemaIsDerivedFromBuiltInType(ctxt, type->subtypes, |
| valType)); |
| } |
| |
| return (0); |
| } |
| |
| /** |
| * xmlSchemaBuildAttributeUsesOwned: |
| * @ctxt: the schema parser context |
| * @type: the complex type definition |
| * @cur: the attribute declaration list |
| * @lastUse: the top of the attribute use list |
| * |
| * Builds the attribute uses list on the given complex type. |
| * This one is supposed to be called by |
| * xmlSchemaBuildAttributeValidation only. |
| */ |
| static int |
| xmlSchemaBuildAttributeUsesOwned(xmlSchemaParserCtxtPtr ctxt, |
| xmlSchemaAttributePtr cur, |
| xmlSchemaAttributeLinkPtr *uses, |
| xmlSchemaAttributeLinkPtr *lastUse) |
| { |
| xmlSchemaAttributeLinkPtr tmp; |
| while (cur != NULL) { |
| if (cur->type == XML_SCHEMA_TYPE_ATTRIBUTEGROUP) { |
| /* |
| * W3C: "2 The {attribute uses} of the attribute groups ·resolved· |
| * to by the ·actual value·s of the ref [attribute] of the |
| * <attributeGroup> [children], if any." |
| */ |
| if (xmlSchemaBuildAttributeUsesOwned(ctxt, |
| ((xmlSchemaAttributeGroupPtr) cur)->attributes, uses, |
| lastUse) == -1) { |
| return (-1); |
| } |
| } else { |
| /* W3C: "1 The set of attribute uses corresponding to the |
| * <attribute> [children], if any." |
| */ |
| tmp = (xmlSchemaAttributeLinkPtr) |
| xmlMalloc(sizeof(xmlSchemaAttributeLink)); |
| if (tmp == NULL) { |
| xmlSchemaPErrMemory(ctxt, "building attribute uses", NULL); |
| return (-1); |
| } |
| tmp->attr = cur; |
| tmp->next = NULL; |
| if (*uses == NULL) |
| *uses = tmp; |
| else |
| (*lastUse)->next = tmp; |
| *lastUse = tmp; |
| } |
| cur = cur->next; |
| } |
| return (0); |
| } |
| |
| /** |
| * xmlSchemaCloneWildcardNsConstraints: |
| * @ctxt: the schema parser context |
| * @dest: the destination wildcard |
| * @source: the source wildcard |
| * |
| * Clones the namespace constraints of source |
| * and assignes them to dest. |
| * Returns -1 on internal error, 0 otherwise. |
| */ |
| static int |
| xmlSchemaCloneWildcardNsConstraints(xmlSchemaParserCtxtPtr ctxt, |
| xmlSchemaWildcardPtr *dest, |
| xmlSchemaWildcardPtr source) |
| { |
| xmlSchemaWildcardNsPtr cur, tmp, last; |
| |
| if ((source == NULL) || (*dest == NULL)) |
| return(-1); |
| (*dest)->any = source->any; |
| cur = source->nsSet; |
| last = NULL; |
| while (cur != NULL) { |
| tmp = xmlSchemaNewWildcardNsConstraint(ctxt); |
| if (tmp == NULL) |
| return(-1); |
| tmp->value = cur->value; |
| if (last == NULL) |
| (*dest)->nsSet = tmp; |
| else |
| last->next = tmp; |
| last = tmp; |
| cur = cur->next; |
| } |
| if ((*dest)->negNsSet != NULL) |
| xmlSchemaFreeWildcardNsSet((*dest)->negNsSet); |
| if (source->negNsSet != NULL) { |
| (*dest)->negNsSet = xmlSchemaNewWildcardNsConstraint(ctxt); |
| if ((*dest)->negNsSet == NULL) |
| return(-1); |
| (*dest)->negNsSet->value = source->negNsSet->value; |
| } else |
| (*dest)->negNsSet = NULL; |
| return(0); |
| } |
| |
| /** |
| * xmlSchemaUnionWildcards: |
| * @ctxt: the schema parser context |
| * @completeWild: the first wildcard |
| * @curWild: the second wildcard |
| * |
| * Unions the namespace constraints of the given wildcards. |
| * @completeWild will hold the resulting union. |
| * Returns a positive error code on failure, -1 in case of an |
| * internal error, 0 otherwise. |
| */ |
| static int |
| xmlSchemaUnionWildcards(xmlSchemaParserCtxtPtr ctxt, |
| xmlSchemaWildcardPtr completeWild, |
| xmlSchemaWildcardPtr curWild) |
| { |
| xmlSchemaWildcardNsPtr cur, curB, tmp; |
| |
| /* |
| * 1 If O1 and O2 are the same value, then that value must be the |
| * value. |
| */ |
| if ((completeWild->any == curWild->any) && |
| ((completeWild->nsSet == NULL) == (curWild->nsSet == NULL)) && |
| ((completeWild->negNsSet == NULL) == (curWild->negNsSet == NULL))) { |
| |
| if ((completeWild->negNsSet == NULL) || |
| (completeWild->negNsSet->value == curWild->negNsSet->value)) { |
| |
| if (completeWild->nsSet != NULL) { |
| int found = 0; |
| |
| /* |
| * Check equality of sets. |
| */ |
| cur = completeWild->nsSet; |
| while (cur != NULL) { |
| found = 0; |
| curB = curWild->nsSet; |
| while (curB != NULL) { |
| if (cur->value == curB->value) { |
| found = 1; |
| break; |
| } |
| curB = curB->next; |
| } |
| if (!found) |
| break; |
| cur = cur->next; |
| } |
| if (found) |
| return(0); |
| } else |
| return(0); |
| } |
| } |
| /* |
| * 2 If either O1 or O2 is any, then any must be the value |
| */ |
| if (completeWild->any != curWild->any) { |
| if (completeWild->any == 0) { |
| completeWild->any = 1; |
| if (completeWild->nsSet != NULL) { |
| xmlSchemaFreeWildcardNsSet(completeWild->nsSet); |
| completeWild->nsSet = NULL; |
| } |
| if (completeWild->negNsSet != NULL) { |
| xmlFree(completeWild->negNsSet); |
| completeWild->negNsSet = NULL; |
| } |
| } |
| return (0); |
| } |
| /* |
| * 3 If both O1 and O2 are sets of (namespace names or ·absent·), |
| * then the union of those sets must be the value. |
| */ |
| if ((completeWild->nsSet != NULL) && (curWild->nsSet != NULL)) { |
| int found; |
| xmlSchemaWildcardNsPtr start; |
| |
| cur = curWild->nsSet; |
| start = completeWild->nsSet; |
| while (cur != NULL) { |
| found = 0; |
| curB = start; |
| while (curB != NULL) { |
| if (cur->value == curB->value) { |
| found = 1; |
| break; |
| } |
| curB = curB->next; |
| } |
| if (!found) { |
| tmp = xmlSchemaNewWildcardNsConstraint(ctxt); |
| if (tmp == NULL) |
| return (-1); |
| tmp->value = cur->value; |
| tmp->next = completeWild->nsSet; |
| completeWild->nsSet = tmp; |
| } |
| cur = cur->next; |
| } |
| |
| return(0); |
| } |
| /* |
| * 4 If the two are negations of different values (namespace names |
| * or ·absent·), then a pair of not and ·absent· must be the value. |
| */ |
| if ((completeWild->negNsSet != NULL) && |
| (curWild->negNsSet != NULL) && |
| (completeWild->negNsSet->value != curWild->negNsSet->value)) { |
| completeWild->negNsSet->value = NULL; |
| |
| return(0); |
| } |
| /* |
| * 5. |
| */ |
| if (((completeWild->negNsSet != NULL) && |
| (completeWild->negNsSet->value != NULL) && |
| (curWild->nsSet != NULL)) || |
| ((curWild->negNsSet != NULL) && |
| (curWild->negNsSet->value != NULL) && |
| (completeWild->nsSet != NULL))) { |
| |
| int nsFound, absentFound = 0; |
| |
| if (completeWild->nsSet != NULL) { |
| cur = completeWild->nsSet; |
| curB = curWild->negNsSet; |
| } else { |
| cur = curWild->nsSet; |
| curB = completeWild->negNsSet; |
| } |
| nsFound = 0; |
| while (cur != NULL) { |
| if (cur->value == NULL) |
| absentFound = 1; |
| else if (cur->value == curB->value) |
| nsFound = 1; |
| if (nsFound && absentFound) |
| break; |
| cur = cur->next; |
| } |
| |
| if (nsFound && absentFound) { |
| /* |
| * 5.1 If the set S includes both the negated namespace |
| * name and ·absent·, then any must be the value. |
| */ |
| completeWild->any = 1; |
| if (completeWild->nsSet != NULL) { |
| xmlSchemaFreeWildcardNsSet(completeWild->nsSet); |
| completeWild->nsSet = NULL; |
| } |
| if (completeWild->negNsSet != NULL) { |
| xmlFree(completeWild->negNsSet); |
| completeWild->negNsSet = NULL; |
| } |
| } else if (nsFound && (!absentFound)) { |
| /* |
| * 5.2 If the set S includes the negated namespace name |
| * but not ·absent·, then a pair of not and ·absent· must |
| * be the value. |
| */ |
| if (completeWild->nsSet != NULL) { |
| xmlSchemaFreeWildcardNsSet(completeWild->nsSet); |
| completeWild->nsSet = NULL; |
| } |
| if (completeWild->negNsSet == NULL) { |
| completeWild->negNsSet = xmlSchemaNewWildcardNsConstraint(ctxt); |
| if (completeWild->negNsSet == NULL) |
| return (-1); |
| } |
| completeWild->negNsSet->value = NULL; |
| } else if ((!nsFound) && absentFound) { |
| /* |
| * 5.3 If the set S includes ·absent· but not the negated |
| * namespace name, then the union is not expressible. |
| */ |
| xmlSchemaPErr(ctxt, completeWild->node, |
| XML_SCHEMAP_UNION_NOT_EXPRESSIBLE, |
| "The union of the wilcard is not expressible\n", |
| NULL, NULL); |
| return(XML_SCHEMAP_UNION_NOT_EXPRESSIBLE); |
| } else if ((!nsFound) && (!absentFound)) { |
| /* |
| * 5.4 If the set S does not include either the negated namespace |
| * name or ·absent·, then whichever of O1 or O2 is a pair of not |
| * and a namespace name must be the value. |
| */ |
| if (completeWild->negNsSet == NULL) { |
| if (completeWild->nsSet != NULL) { |
| xmlSchemaFreeWildcardNsSet(completeWild->nsSet); |
| completeWild->nsSet = NULL; |
| } |
| completeWild->negNsSet = xmlSchemaNewWildcardNsConstraint(ctxt); |
| if (completeWild->negNsSet == NULL) |
| return (-1); |
| completeWild->negNsSet->value = curWild->negNsSet->value; |
| } |
| } |
| return (0); |
| } |
| /* |
| * 6. |
| */ |
| if (((completeWild->negNsSet != NULL) && |
| (completeWild->negNsSet->value == NULL) && |
| (curWild->nsSet != NULL)) || |
| ((curWild->negNsSet != NULL) && |
| (curWild->negNsSet->value == NULL) && |
| (completeWild->nsSet != NULL))) { |
| |
| if (completeWild->nsSet != NULL) { |
| cur = completeWild->nsSet; |
| } else { |
| cur = curWild->nsSet; |
| } |
| while (cur != NULL) { |
| if (cur->value == NULL) { |
| /* |
| * 6.1 If the set S includes ·absent·, then any must be the |
| * value. |
| */ |
| completeWild->any = 1; |
| if (completeWild->nsSet != NULL) { |
| xmlSchemaFreeWildcardNsSet(completeWild->nsSet); |
| completeWild->nsSet = NULL; |
| } |
| if (completeWild->negNsSet != NULL) { |
| xmlFree(completeWild->negNsSet); |
| completeWild->negNsSet = NULL; |
| } |
| return (0); |
| } |
| cur = cur->next; |
| } |
| if (completeWild->negNsSet == NULL) { |
| /* |
| * 6.2 If the set S does not include ·absent·, then a pair of not |
| * and ·absent· must be the value. |
| */ |
| if (completeWild->nsSet != NULL) { |
| xmlSchemaFreeWildcardNsSet(completeWild->nsSet); |
| completeWild->nsSet = NULL; |
| } |
| completeWild->negNsSet = xmlSchemaNewWildcardNsConstraint(ctxt); |
| if (completeWild->negNsSet == NULL) |
| return (-1); |
| completeWild->negNsSet->value = NULL; |
| } |
| return (0); |
| } |
| return (0); |
| |
| } |
| |
| /** |
| * xmlSchemaIntersectWildcards: |
| * @ctxt: the schema parser context |
| * @completeWild: the first wildcard |
| * @curWild: the second wildcard |
| * |
| * Intersects the namespace constraints of the given wildcards. |
| * @completeWild will hold the resulting intersection. |
| * Returns a positive error code on failure, -1 in case of an |
| * internal error, 0 otherwise. |
| */ |
| static int |
| xmlSchemaIntersectWildcards(xmlSchemaParserCtxtPtr ctxt, |
| xmlSchemaWildcardPtr completeWild, |
| xmlSchemaWildcardPtr curWild) |
| { |
| xmlSchemaWildcardNsPtr cur, curB, prev, tmp; |
| |
| /* |
| * 1 If O1 and O2 are the same value, then that value must be the |
| * value. |
| */ |
| if ((completeWild->any == curWild->any) && |
| ((completeWild->nsSet == NULL) == (curWild->nsSet == NULL)) && |
| ((completeWild->negNsSet == NULL) == (curWild->negNsSet == NULL))) { |
| |
| if ((completeWild->negNsSet == NULL) || |
| (completeWild->negNsSet->value == curWild->negNsSet->value)) { |
| |
| if (completeWild->nsSet != NULL) { |
| int found = 0; |
| |
| /* |
| * Check equality of sets. |
| */ |
| cur = completeWild->nsSet; |
| while (cur != NULL) { |
| found = 0; |
| curB = curWild->nsSet; |
| while (curB != NULL) { |
| if (cur->value == curB->value) { |
| found = 1; |
| break; |
| } |
| curB = curB->next; |
| } |
| if (!found) |
| break; |
| cur = cur->next; |
| } |
| if (found) |
| return(0); |
| } else |
| return(0); |
| } |
| } |
| /* |
| * 2 If either O1 or O2 is any, then the other must be the value. |
| */ |
| if ((completeWild->any != curWild->any) && (completeWild->any)) { |
| if (xmlSchemaCloneWildcardNsConstraints(ctxt, &completeWild, curWild) == -1) |
| return(-1); |
| return(0); |
| } |
| /* |
| * 3 If either O1 or O2 is a pair of not and a value (a namespace |
| * name or ·absent·) and the other is a set of (namespace names or |
| * ·absent·), then that set, minus the negated value if it was in |
| * the set, minus ·absent· if it was in the set, must be the value. |
| */ |
| if (((completeWild->negNsSet != NULL) && (curWild->nsSet != NULL)) || |
| ((curWild->negNsSet != NULL) && (completeWild->nsSet != NULL))) { |
| const xmlChar *neg; |
| |
| if (completeWild->nsSet == NULL) { |
| neg = completeWild->negNsSet->value; |
| if (xmlSchemaCloneWildcardNsConstraints(ctxt, &completeWild, curWild) == -1) |
| return(-1); |
| } else |
| neg = curWild->negNsSet->value; |
| /* |
| * Remove absent and negated. |
| */ |
| prev = NULL; |
| cur = completeWild->nsSet; |
| while (cur != NULL) { |
| if (cur->value == NULL) { |
| if (prev == NULL) |
| completeWild->nsSet = cur->next; |
| else |
| prev->next = cur->next; |
| xmlFree(cur); |
| break; |
| } |
| prev = cur; |
| cur = cur->next; |
| } |
| if (neg != NULL) { |
| prev = NULL; |
| cur = completeWild->nsSet; |
| while (cur != NULL) { |
| if (cur->value == neg) { |
| if (prev == NULL) |
| completeWild->nsSet = cur->next; |
| else |
| prev->next = cur->next; |
| xmlFree(cur); |
| break; |
| } |
| prev = cur; |
| cur = cur->next; |
| } |
| } |
| |
| return(0); |
| } |
| /* |
| * 4 If both O1 and O2 are sets of (namespace names or ·absent·), |
| * then the intersection of those sets must be the value. |
| */ |
| if ((completeWild->nsSet != NULL) && (curWild->nsSet != NULL)) { |
| int found; |
| |
| cur = completeWild->nsSet; |
| prev = NULL; |
| while (cur != NULL) { |
| found = 0; |
| curB = curWild->nsSet; |
| while (curB != NULL) { |
| if (cur->value == curB->value) { |
| found = 1; |
| break; |
| } |
| curB = curB->next; |
| } |
| if (!found) { |
| if (prev == NULL) |
| completeWild->nsSet = cur->next; |
| else |
| prev->next = cur->next; |
| tmp = cur->next; |
| xmlFree(cur); |
| cur = tmp; |
| continue; |
| } |
| prev = cur; |
| cur = cur->next; |
| } |
| |
| return(0); |
| } |
| /* 5 If the two are negations of different namespace names, |
| * then the intersection is not expressible |
| */ |
| if ((completeWild->negNsSet != NULL) && |
| (curWild->negNsSet != NULL) && |
| (completeWild->negNsSet->value != curWild->negNsSet->value) && |
| (completeWild->negNsSet->value != NULL) && |
| (curWild->negNsSet->value != NULL)) { |
| |
| xmlSchemaPErr(ctxt, completeWild->node, XML_SCHEMAP_INTERSECTION_NOT_EXPRESSIBLE, |
| "The intersection of the wilcard is not expressible\n", |
| NULL, NULL); |
| return(XML_SCHEMAP_INTERSECTION_NOT_EXPRESSIBLE); |
| } |
| /* |
| * 6 If the one is a negation of a namespace name and the other |
| * is a negation of ·absent·, then the one which is the negation |
| * of a namespace name must be the value. |
| */ |
| if ((completeWild->negNsSet != NULL) && (curWild->negNsSet != NULL) && |
| (completeWild->negNsSet->value != curWild->negNsSet->value) && |
| (completeWild->negNsSet->value == NULL)) { |
| completeWild->negNsSet->value = curWild->negNsSet->value; |
| } |
| return(0); |
| } |
| |
| /** |
| * xmlSchemaIsWildcardNsConstraintSubset: |
| * @ctxt: the schema parser context |
| * @wildA: the first wildcard |
| * @wildB: the second wildcard |
| * |
| * Returns 1 if the namespace constraint of @wildA is an intensional |
| * subset of @wildB, 0 otherwise. |
| */ |
| static int |
| xmlSchemaIsWildcardNsConstraintSubset( |
| xmlSchemaParserCtxtPtr ctxt ATTRIBUTE_UNUSED, |
| xmlSchemaWildcardPtr wildA, |
| xmlSchemaWildcardPtr wildB) |
| { |
| |
| /* |
| * Schema Component Constraint: Wildcard Subset |
| */ |
| /* |
| * 1 super must be any. |
| */ |
| if (wildB->any) |
| return (1); |
| /* |
| * 2.1 sub must be a pair of not and a namespace name or ·absent·. |
| * 2.2 super must be a pair of not and the same value. |
| */ |
| if ((wildA->negNsSet != NULL) && |
| (wildB->negNsSet != NULL) && |
| (wildA->negNsSet->value == wildA->negNsSet->value)) |
| return (1); |
| /* |
| * 3.1 sub must be a set whose members are either namespace names or ·absent·. |
| */ |
| if (wildA->nsSet != NULL) { |
| /* |
| * 3.2.1 super must be the same set or a superset thereof. |
| */ |
| if (wildB->nsSet != NULL) { |
| xmlSchemaWildcardNsPtr cur, curB; |
| int found = 0; |
| |
| cur = wildA->nsSet; |
| while (cur != NULL) { |
| found = 0; |
| curB = wildB->nsSet; |
| while (curB != NULL) { |
| if (cur->value == curB->value) { |
| found = 1; |
| break; |
| } |
| curB = curB->next; |
| } |
| if (!found) |
| return (0); |
| cur = cur->next; |
| } |
| if (found) |
| return (1); |
| } else if (wildB->negNsSet != NULL) { |
| xmlSchemaWildcardNsPtr cur; |
| /* |
| * 3.2.2 super must be a pair of not and a namespace name or |
| * ·absent· and that value must not be in sub's set. |
| */ |
| cur = wildA->nsSet; |
| while (cur != NULL) { |
| if (cur->value == wildB->negNsSet->value) |
| return (0); |
| cur = cur->next; |
| } |
| return (1); |
| } |
| } |
| return (0); |
| } |
| |
| /** |
| * xmlSchemaBuildCompleteAttributeWildcard: |
| * @ctxt: the schema parser context |
| * @attrs: the attribute list |
| * @completeWild: the resulting complete wildcard |
| * |
| * Returns -1 in case of an internal error, 0 otherwise. |
| */ |
| static int |
| xmlSchemaBuildCompleteAttributeWildcard(xmlSchemaParserCtxtPtr ctxt, |
| xmlSchemaAttributePtr attrs, |
| xmlSchemaWildcardPtr *completeWild) |
| { |
| while (attrs != NULL) { |
| if (attrs->type == XML_SCHEMA_TYPE_ATTRIBUTEGROUP) { |
| xmlSchemaAttributeGroupPtr group; |
| |
| group = (xmlSchemaAttributeGroupPtr) attrs; |
| if ((group->flags & XML_SCHEMAS_ATTRGROUP_WILDCARD_BUILDED) == 0) { |
| if (group->attributes != NULL) { |
| if (xmlSchemaBuildCompleteAttributeWildcard(ctxt, |
| group->attributes, &group->attributeWildcard) == -1) |
| return (-1); |
| } |
| group->flags |= XML_SCHEMAS_ATTRGROUP_WILDCARD_BUILDED; |
| } |
| if (group->attributeWildcard != NULL) { |
| if (*completeWild == NULL) { |
| /* |
| * Copy the first encountered wildcard as context, except for the annotation. |
| */ |
| *completeWild = xmlSchemaAddWildcard(ctxt); |
| (*completeWild)->type = XML_SCHEMA_TYPE_ANY_ATTRIBUTE; |
| if (xmlSchemaCloneWildcardNsConstraints(ctxt, |
| completeWild, group->attributeWildcard) == -1) |
| return (-1); |
| (*completeWild)->processContents = group->attributeWildcard->processContents; |
| /* |
| * Although the complete wildcard might not correspond to any |
| * node in the schema, we will save this context node. |
| */ |
| (*completeWild)->node = group->attributeWildcard->node; |
| |
| } else if (xmlSchemaIntersectWildcards(ctxt, *completeWild, group->attributeWildcard) == -1) { |
| xmlSchemaFreeWildcard(*completeWild); |
| return (-1); |
| } |
| } |
| } |
| attrs = attrs->next; |
| } |
| |
| return (0); |
| } |
| |
| /** |
| * xmlSchemaMatchesWildcardNs: |
| * @wild: the wildcard |
| * @ns: the namespace |
| * |
| * |
| * Returns 1 if the given namespace matches the wildcard, |
| * 0 otherwise. |
| */ |
| static int |
| xmlSchemaMatchesWildcardNs(xmlSchemaWildcardPtr wild, const xmlChar* ns) |
| { |
| if (wild == NULL) |
| return(0); |
| |
| if (wild->any) |
| return(1); |
| else if (wild->nsSet != NULL) { |
| xmlSchemaWildcardNsPtr cur; |
| |
| cur = wild->nsSet; |
| while (cur != NULL) { |
| if (xmlStrEqual(cur->value, ns)) |
| return(1); |
| cur = cur->next; |
| } |
| } else if ((wild->negNsSet != NULL) && (ns != NULL) && |
| (!xmlStrEqual(wild->negNsSet->value, ns))) |
| return(1); |
| |
| return(0); |
| } |
| |
| /** |
| * xmlSchemaBuildAttributeValidation: |
| * @ctxt: the schema parser context |
| * @type: the complex type definition |
| * |
| * |
| * Builds the wildcard and the attribute uses on the given complex type. |
| * Returns -1 if an internal error occurs, 0 otherwise. |
| */ |
| static int |
| xmlSchemaBuildAttributeValidation(xmlSchemaParserCtxtPtr ctxt, xmlSchemaTypePtr type) |
| { |
| xmlSchemaTypePtr baseType = NULL; |
| xmlSchemaAttributeLinkPtr cur, base, tmp, id = NULL, prev = NULL, uses = NULL, |
| lastUse = NULL, lastBaseUse = NULL; |
| xmlSchemaAttributePtr attrs; |
| int baseIsAnyType = 0; |
| |
| /* |
| * Complex Type Definition with complex content Schema Component. |
| * |
| * Attribute uses. |
| */ |
| if (type->attributeUses != NULL) { |
| xmlSchemaPErr(ctxt, type->node, XML_SCHEMAS_ERR_INTERNAL, |
| "Internal error: xmlSchemaParseBuildAttributeUses: " |
| "attribute uses already builded.\n", |
| NULL, NULL); |
| return (-1); |
| } |
| if ((type->flags & XML_SCHEMAS_TYPE_DERIVATION_METHOD_EXTENSION) || |
| (type->flags & XML_SCHEMAS_TYPE_DERIVATION_METHOD_RESTRICTION)) { |
| |
| /* |
| * Inherit the attribute uses of the base type. |
| */ |
| baseType = type->subtypes->subtypes->baseType; |
| /* |
| * TODO: URGENT: This is not nice, but currently |
| * xmlSchemaTypeAnyTypeDef is static in xmlschematypes.c. |
| */ |
| if ((baseType->type == XML_SCHEMA_TYPE_BASIC) && |
| xmlStrEqual(baseType->name, BAD_CAST "anyType")) { |
| baseIsAnyType = 1; |
| } |
| /* |
| * TODO: Does the spec state that it is an error to "extend" the |
| * anyType? |
| */ |
| if (!baseIsAnyType) { |
| if (baseType != NULL) { |
| for (cur = baseType->attributeUses; cur != NULL; cur = cur->next) { |
| tmp = (xmlSchemaAttributeLinkPtr) |
| xmlMalloc(sizeof(xmlSchemaAttributeLink)); |
| if (tmp == NULL) { |
| xmlSchemaPErrMemory(ctxt, |
| "building attribute uses of complexType", NULL); |
| return (-1); |
| } |
| tmp->attr = cur->attr; |
| tmp->next = NULL; |
| if (type->attributeUses == NULL) { |
| type->attributeUses = tmp; |
| } else |
| lastBaseUse->next = tmp; |
| lastBaseUse = tmp; |
| } |
| } |
| } |
| attrs = type->subtypes->subtypes->attributes; |
| /* |
| * Handle attribute wildcards. |
| */ |
| type->attributeWildcard = type->subtypes->subtypes->attributeWildcard; |
| |
| if (xmlSchemaBuildCompleteAttributeWildcard(ctxt, |
| attrs, &type->attributeWildcard) == -1) { |
| if ((type->attributeWildcard != NULL) && |
| (type->attributeWildcard != type->subtypes->subtypes->attributeWildcard)) |
| type->flags |= XML_SCHEMAS_TYPE_OWNED_ATTR_WILDCARD; |
| return (-1); |
| } |
| if ((type->attributeWildcard != NULL) && |
| (type->attributeWildcard != type->subtypes->subtypes->attributeWildcard)) |
| type->flags |= XML_SCHEMAS_TYPE_OWNED_ATTR_WILDCARD; |
| |
| if ((type->flags & XML_SCHEMAS_TYPE_DERIVATION_METHOD_EXTENSION) && |
| (baseType != NULL) && (baseType->type == XML_SCHEMA_TYPE_COMPLEX) && |
| (baseType->attributeWildcard != NULL)) { |
| if (type->attributeWildcard != NULL) { |
| /* |
| * Union the complete wildcard with the base wildcard. |
| */ |
| if (xmlSchemaUnionWildcards(ctxt, type->attributeWildcard, |
| baseType->attributeWildcard) == -1) |
| return (-1); |
| } else { |
| /* |
| * Just inherit the wildcard. |
| */ |
| type->attributeWildcard = baseType->attributeWildcard; |
| } |
| } |
| if (!baseIsAnyType) { |
| if (type->flags & XML_SCHEMAS_TYPE_DERIVATION_METHOD_RESTRICTION) { |
| if (type->attributeWildcard != NULL) { |
| /* |
| * Derivation Valid (Restriction, Complex) |
| * 4.1 The {base type definition} must also have one. |
| */ |
| if (baseType->attributeWildcard == NULL) { |
| xmlSchemaPErr(ctxt, type->node, XML_SCHEMAP_DERIVATION_OK_RESTRICTION_4_1, |
| "The derived type \"%s\" has an attribute wildcard, " |
| "but the base type \"%s\" does not have one.\n", |
| type->name, baseType->name); |
| return (1); |
| } else if (xmlSchemaIsWildcardNsConstraintSubset(ctxt, |
| type->attributeWildcard, baseType->attributeWildcard) == 0) { |
| /* 4.2 */ |
| xmlSchemaPErr(ctxt, type->node, XML_SCHEMAP_DERIVATION_OK_RESTRICTION_4_2, |
| "The wildcard in the derived type \"%s\" is not a valid " |
| "subset of the one in the base type \"%s\".\n", |
| type->name, baseType->name); |
| return (1); |
| } |
| /* 4.3 Unless the {base type definition} is the ·ur-type |
| * definition·, the complex type definition's {attribute |
| * wildcard}'s {process contents} must be identical to or |
| * stronger than the {base type definition}'s {attribute |
| * wildcard}'s {process contents}, where strict is stronger |
| * than lax is stronger than skip. |
| */ |
| if (type->attributeWildcard->processContents < |
| baseType->attributeWildcard->processContents) { |
| xmlSchemaPErr(ctxt, type->node, XML_SCHEMAP_DERIVATION_OK_RESTRICTION_4_3, |
| "The process contents of the wildcard in the " |
| "derived type \"%s\" is weaker than " |
| "that in the base type \"%s\".\n", |
| type->name, baseType->name); |
| return (1); |
| } |
| } |
| } else if (type->flags & XML_SCHEMAS_TYPE_DERIVATION_METHOD_EXTENSION) { |
| /* |
| * Derivation Valid (Extension) |
| * At this point the type and the base have both, either |
| * no wildcard or a wildcard. |
| */ |
| if ((baseType->attributeWildcard != NULL) && |
| (baseType->attributeWildcard != type->attributeWildcard)) { |
| /* 1.3 */ |
| if (xmlSchemaIsWildcardNsConstraintSubset(ctxt, |
| baseType->attributeWildcard, type->attributeWildcard) == 0) { |
| xmlSchemaPErr(ctxt, type->node, XML_SCHEMAP_COS_CT_EXTENDS_1_3, |
| "The wildcard in the derived type \"%s\" is not a valid " |
| "superset of the one in the base type \"%s\".\n", |
| type->name, baseType->name); |
| return (1); |
| } |
| } |
| } |
| } |
| } else { |
| /* |
| * Although the complexType is implicitely derived by "restriction" |
| * from the ur-type, this is not (yet?) reflected by libxml2. |
| */ |
| baseType = NULL; |
| attrs = type->attributes; |
| if (attrs != NULL) { |
| if (xmlSchemaBuildCompleteAttributeWildcard(ctxt, |
| attrs, &type->attributeWildcard) == -1) { |
| if ((type->attributeWildcard != NULL) && |
| (type->attributeWildcard != type->subtypes->subtypes->attributeWildcard)) |
| type->flags |= XML_SCHEMAS_TYPE_OWNED_ATTR_WILDCARD; |
| return (-1); |
| } |
| if ((type->attributeWildcard != NULL) && |
| ((type->flags & XML_SCHEMAS_TYPE_OWNED_ATTR_WILDCARD) == 0)) |
| type->flags |= XML_SCHEMAS_TYPE_OWNED_ATTR_WILDCARD; |
| } |
| } |
| /* |
| * Gather attribute uses defined by this type. |
| */ |
| if (attrs != NULL) { |
| if (xmlSchemaBuildAttributeUsesOwned(ctxt, attrs, |
| &uses, &lastUse) == -1) { |
| return (-1); |
| } |
| } |
| /* 3.4.6 -> Complex Type Definition Properties Correct 4. |
| * "Two distinct attribute declarations in the {attribute uses} must |
| * not have identical {name}s and {target namespace}s." |
| * |
| * For "extension" this is done further down. |
| */ |
| if ((uses != NULL) && ((type->flags & XML_SCHEMAS_TYPE_DERIVATION_METHOD_EXTENSION) == 0)) { |
| cur = uses; |
| while (cur != NULL) { |
| tmp = cur->next; |
| while (tmp != NULL) { |
| if ((xmlStrEqual(xmlSchemaGetOnymousAttrName(cur->attr), |
| xmlSchemaGetOnymousAttrName(tmp->attr))) && |
| (xmlStrEqual(xmlSchemaGetOnymousTargetNsURI((xmlSchemaTypePtr) cur->attr ), |
| xmlSchemaGetOnymousTargetNsURI((xmlSchemaTypePtr) tmp->attr)))) { |
| |
| xmlSchemaPErr(ctxt, cur->attr->node, XML_SCHEMAP_CT_PROPS_CORRECT_4, |
| "ct-props-correct.4: Duplicate attribute use with the name \"%s\" specified\n", |
| xmlSchemaGetOnymousAttrName(cur->attr), NULL); |
| break; |
| } |
| tmp = tmp->next; |
| } |
| cur = cur->next; |
| } |
| } |
| if (type->flags & XML_SCHEMAS_TYPE_DERIVATION_METHOD_RESTRICTION) { |
| /* |
| * Derive by restriction. |
| */ |
| if (baseIsAnyType) { |
| type->attributeUses = uses; |
| } else { |
| int found; |
| |
| cur = uses; |
| while (cur != NULL) { |
| found = 0; |
| base = type->attributeUses; |
| while (base != NULL) { |
| if ((xmlStrEqual(xmlSchemaGetOnymousAttrName(cur->attr), |
| xmlSchemaGetOnymousAttrName(base->attr))) && |
| (xmlStrEqual(xmlSchemaGetOnymousTargetNsURI((xmlSchemaTypePtr) cur->attr), |
| xmlSchemaGetOnymousTargetNsURI((xmlSchemaTypePtr) base->attr)))) { |
| |
| found = 1; |
| if ((cur->attr->occurs == XML_SCHEMAS_ATTR_USE_OPTIONAL) && |
| (base->attr->occurs == XML_SCHEMAS_ATTR_USE_REQUIRED)) { |
| /* |
| * derivation-ok-restriction 2.1.1 |
| */ |
| xmlSchemaPErr(ctxt, cur->attr->node, |
| XML_SCHEMAP_DERIVATION_OK_RESTRICTION_2_1_1, |
| "derivation-ok-restriction.2.1.1: " |
| "The \"optional\" attribute " |
| "use \"%s\" is inconsistent with a matching " |
| "\"required\" attribute use of the base type\n", |
| xmlSchemaGetOnymousAttrName(cur->attr), NULL); |
| } else if ((cur->attr->occurs == XML_SCHEMAS_ATTR_USE_PROHIBITED) && |
| (base->attr->occurs == XML_SCHEMAS_ATTR_USE_REQUIRED)) { |
| /* |
| * derivation-ok-restriction 3 |
| */ |
| xmlSchemaPErr(ctxt, cur->attr->node, XML_SCHEMAP_DERIVATION_OK_RESTRICTION_3, |
| "derivation-ok-restriction.3: " |
| "The \"required\" attribute use \"%s\" of the base type " |
| "does not have a matching attribute use in the derived type\n", |
| xmlSchemaGetOnymousAttrName(cur->attr), NULL); |
| |
| } else { |
| /* |
| * Override the attribute use. |
| */ |
| base->attr = cur->attr; |
| } |
| /* |
| * TODO: derivation-ok-restriction 2.1.2 ({type definition} must be validly derived) |
| * TODO: derivation-ok-restriction 2.1.3 |
| */ |
| break; |
| } |
| base = base->next; |
| } |
| |
| if (!found) { |
| if (cur->attr->occurs != XML_SCHEMAS_ATTR_USE_PROHIBITED) { |
| /* |
| * derivation-ok-restriction 2.2 |
| */ |
| if ((type->attributeWildcard != NULL) && |
| xmlSchemaMatchesWildcardNs(type->attributeWildcard, |
| cur->attr->targetNamespace)) |
| found = 1; |
| |
| if (!found) { |
| xmlSchemaPErr(ctxt, cur->attr->node, XML_SCHEMAP_DERIVATION_OK_RESTRICTION_2_2, |
| "derivation-ok-restriction.2.2: " |
| "The attribute use \"%s\" has neither a matching attribute use, " |
| "nor a matching wildcard in the base type\n", |
| xmlSchemaGetOnymousAttrName(cur->attr), NULL); |
| } else { |
| /* |
| * Add the attribute use. |
| * |
| * Note that this may lead to funny derivation error reports, if |
| * multiple equal attribute uses exist; but this is not |
| * allowed anyway, and it will be reported beforehand. |
| */ |
| tmp = cur; |
| if (prev != NULL) |
| prev->next = cur->next; |
| else |
| uses = cur->next; |
| cur = cur->next; |
| if (type->attributeUses == NULL) { |
| type->attributeUses = tmp; |
| } else |
| lastBaseUse->next = tmp; |
| lastBaseUse = tmp; |
| |
| continue; |
| } |
| } |
| } |
| prev = cur; |
| cur = cur->next; |
| } |
| if (uses != NULL) |
| xmlSchemaFreeAttributeUseList(uses); |
| } |
| } else if (type->flags & XML_SCHEMAS_TYPE_DERIVATION_METHOD_EXTENSION) { |
| /* |
| * The spec allows only appending, and not other kinds of extensions. |
| * |
| * This ensures: Schema Component Constraint: Derivation Valid (Extension) : 1.2 |
| */ |
| if (uses != NULL) { |
| if (type->attributeUses == NULL) { |
| type->attributeUses = uses; |
| } else |
| lastBaseUse->next = uses; |
| } |
| } else { |
| /* |
| * Derive implicitely from the ur-type. |
| */ |
| type->attributeUses = uses; |
| } |
| /* |
| * 3.4.6 -> Complex Type Definition Properties Correct |
| */ |
| if (type->attributeUses != NULL) { |
| cur = type->attributeUses; |
| prev = NULL; |
| while (cur != NULL) { |
| /* |
| * 4. Two distinct attribute declarations in the {attribute uses} must |
| * not have identical {name}s and {target namespace}s. |
| * |
| * Note that this was already done for "restriction" and types derived from |
| * the ur-type. |
| */ |
| if (type->flags & XML_SCHEMAS_TYPE_DERIVATION_METHOD_EXTENSION) { |
| tmp = cur->next; |
| while (tmp != NULL) { |
| if ((xmlStrEqual(xmlSchemaGetOnymousAttrName(cur->attr), |
| xmlSchemaGetOnymousAttrName(tmp->attr))) && |
| (xmlStrEqual(xmlSchemaGetOnymousTargetNsURI((xmlSchemaTypePtr) cur->attr ), |
| xmlSchemaGetOnymousTargetNsURI((xmlSchemaTypePtr) tmp->attr)))) { |
| |
| xmlSchemaPErr(ctxt, cur->attr->node, XML_SCHEMAP_CT_PROPS_CORRECT_4, |
| "ct-props-correct.4: Duplicate attribute use with the name \"%s\" specified\n", |
| xmlSchemaGetOnymousAttrName(cur->attr), NULL); |
| break; |
| } |
| tmp = tmp->next; |
| } |
| } |
| /* |
| * 5. Two distinct attribute declarations in the {attribute uses} must |
| * not have {type definition}s which are or are derived from ID. |
| */ |
| if ((cur->attr->subtypes != NULL) && |
| /* |
| * TODO: FIXME: XML_SCHEMAS_ID should be used instead of "23" !!!, |
| * but the xmlSchemaValType is not made public yet. |
| */ |
| (xmlSchemaIsDerivedFromBuiltInType(ctxt, (xmlSchemaTypePtr) cur->attr, 23))) { |
| if (id != NULL) { |
| xmlSchemaPErr(ctxt, cur->attr->node, XML_SCHEMAP_CT_PROPS_CORRECT_5, |
| "ct-props-correct.5: Two attribute declarations, " |
| "\"%s\" and \"%s\" have types which derived from ID\n", |
| xmlSchemaGetOnymousAttrName(id->attr), |
| xmlSchemaGetOnymousAttrName(cur->attr)); |
| } |
| id = cur; |
| } |
| /* |
| * Remove "prohibited" attribute uses. The reason this is done at this late |
| * stage is to be able to catch dublicate attribute uses. So we had to keep |
| * prohibited uses in the list as well. |
| */ |
| if (cur->attr->occurs == XML_SCHEMAS_ATTR_USE_PROHIBITED) { |
| tmp = cur; |
| if (prev == NULL) |
| type->attributeUses = cur->next; |
| else |
| prev->next = cur->next; |
| cur = cur->next; |
| xmlFree(tmp); |
| } else { |
| prev = cur; |
| cur = cur->next; |
| } |
| } |
| } |
| /* |
| * TODO: This check should be removed if we are 100% sure of |
| * the base type attribute uses already being built. |
| */ |
| if ((baseType != NULL) && (!baseIsAnyType) && |
| (baseType->type == XML_SCHEMA_TYPE_COMPLEX) && |
| (baseType->contentType == XML_SCHEMA_CONTENT_UNKNOWN)) { |
| xmlSchemaPErr(ctxt, baseType->node, XML_SCHEMAS_ERR_INTERNAL, |
| "Internal error: xmlSchemaParseBuildAttributeUses: " |
| "attribute uses not builded on base type \"%s\".\n", |
| baseType->name, NULL); |
| } |
| return (0); |
| } |
| |
| /** |
| * xmlSchemaTypeFixup: |
| * @typeDecl: the schema type definition |
| * @ctxt: the schema parser context |
| * |
| * Fixes the content model of the type. |
| */ |
| static void |
| xmlSchemaTypeFixup(xmlSchemaTypePtr typeDecl, |
| xmlSchemaParserCtxtPtr ctxt, const xmlChar * name) |
| { |
| if (typeDecl == NULL) |
| return; |
| if (name == NULL) |
| name = typeDecl->name; |
| if (typeDecl->contentType == XML_SCHEMA_CONTENT_UNKNOWN) { |
| switch (typeDecl->type) { |
| case XML_SCHEMA_TYPE_SIMPLE_CONTENT:{ |
| xmlSchemaTypeFixup(typeDecl->subtypes, ctxt, NULL); |
| if (typeDecl->subtypes != NULL) |
| typeDecl->contentType = |
| typeDecl->subtypes->contentType; |
| break; |
| } |
| case XML_SCHEMA_TYPE_RESTRICTION:{ |
| if (typeDecl->subtypes != NULL) |
| xmlSchemaTypeFixup(typeDecl->subtypes, ctxt, NULL); |
| |
| if (typeDecl->base != NULL) { |
| xmlSchemaTypePtr baseType; |
| |
| baseType = |
| xmlSchemaGetType(ctxt->schema, typeDecl->base, |
| typeDecl->baseNs); |
| if (baseType == NULL) { |
| xmlSchemaPErr(ctxt, typeDecl->node, |
| XML_SCHEMAP_UNKNOWN_BASE_TYPE, |
| "Schemas: type %s base type %s not found\n", |
| name, typeDecl->base); |
| } else if (baseType->contentType == |
| XML_SCHEMA_CONTENT_UNKNOWN) { |
| /* |
| * The base type might be not "type fixed" yet, |
| * so do it now. */ |
| /* |
| * TODO: Is a check for circular derivation already |
| * done? |
| */ |
| xmlSchemaTypeFixup(baseType, ctxt, NULL); |
| } |
| typeDecl->baseType = baseType; |
| } |
| if (typeDecl->subtypes == NULL) |
| if (typeDecl->baseType != NULL) { |
| typeDecl->contentType = |
| typeDecl->baseType->contentType; |
| } else |
| /* 1.1.1 */ |
| typeDecl->contentType = XML_SCHEMA_CONTENT_EMPTY; |
| else if ((typeDecl->subtypes->subtypes == NULL) && |
| ((typeDecl->subtypes->type == |
| XML_SCHEMA_TYPE_ALL) |
| || (typeDecl->subtypes->type == |
| XML_SCHEMA_TYPE_SEQUENCE))) |
| /* 1.1.2 */ |
| typeDecl->contentType = XML_SCHEMA_CONTENT_EMPTY; |
| else if ((typeDecl->subtypes->type == |
| XML_SCHEMA_TYPE_CHOICE) |
| && (typeDecl->subtypes->subtypes == NULL)) |
| /* 1.1.3 */ |
| typeDecl->contentType = XML_SCHEMA_CONTENT_EMPTY; |
| else { |
| /* 1.2 and 2.X are applied at the other layer */ |
| typeDecl->contentType = |
| XML_SCHEMA_CONTENT_ELEMENTS; |
| } |
| break; |
| } |
| case XML_SCHEMA_TYPE_EXTENSION:{ |
| xmlSchemaContentType explicitContentType; |
| xmlSchemaTypePtr base; |
| |
| if (typeDecl->base != NULL) { |
| xmlSchemaTypePtr baseType; |
| |
| baseType = |
| xmlSchemaGetType(ctxt->schema, typeDecl->base, |
| typeDecl->baseNs); |
| if (baseType == NULL) { |
| xmlSchemaPErr(ctxt, typeDecl->node, |
| XML_SCHEMAP_UNKNOWN_BASE_TYPE, |
| "Schemas: type %s base type %s not found\n", |
| name, typeDecl->base); |
| } else if (baseType->contentType == |
| XML_SCHEMA_CONTENT_UNKNOWN) { |
| /* |
| * The base type might be not "type fixed" yet, |
| * so do it now. */ |
| /* |
| * TODO: Is a check for circular derivation already |
| * done? |
| */ |
| xmlSchemaTypeFixup(baseType, ctxt, NULL); |
| } |
| typeDecl->baseType = baseType; |
| } |
| if (typeDecl->subtypes != NULL) |
| xmlSchemaTypeFixup(typeDecl->subtypes, ctxt, NULL); |
| |
| explicitContentType = XML_SCHEMA_CONTENT_ELEMENTS; |
| if (typeDecl->subtypes == NULL) |
| /* 1.1.1 */ |
| explicitContentType = XML_SCHEMA_CONTENT_EMPTY; |
| else if ((typeDecl->subtypes->subtypes == NULL) && |
| ((typeDecl->subtypes->type == |
| XML_SCHEMA_TYPE_ALL) |
| || (typeDecl->subtypes->type == |
| XML_SCHEMA_TYPE_SEQUENCE))) |
| /* 1.1.2 */ |
| explicitContentType = XML_SCHEMA_CONTENT_EMPTY; |
| else if ((typeDecl->subtypes->type == |
| XML_SCHEMA_TYPE_CHOICE) |
| && (typeDecl->subtypes->subtypes == NULL)) |
| /* 1.1.3 */ |
| explicitContentType = XML_SCHEMA_CONTENT_EMPTY; |
| |
| base = xmlSchemaGetType(ctxt->schema, typeDecl->base, |
| typeDecl->baseNs); |
| if (base == NULL) { |
| xmlSchemaPErr(ctxt, typeDecl->node, |
| XML_SCHEMAP_UNKNOWN_BASE_TYPE, |
| "Schemas: base type %s of type %s not found\n", |
| typeDecl->base, name); |
| return; |
| } |
| if (typeDecl->recurse) { |
| /* TODO: The word "recursive" should be changed to "circular" here. */ |
| xmlSchemaPErr(ctxt, typeDecl->node, |
| XML_SCHEMAP_UNKNOWN_BASE_TYPE, |
| "Schemas: extension type %s is recursive\n", |
| name, NULL); |
| return; |
| } |
| typeDecl->recurse = 1; |
| xmlSchemaTypeFixup(base, ctxt, NULL); |
| typeDecl->recurse = 0; |
| if (explicitContentType == XML_SCHEMA_CONTENT_EMPTY) { |
| /* 2.1 */ |
| typeDecl->contentType = base->contentType; |
| } else if (base->contentType == |
| XML_SCHEMA_CONTENT_EMPTY) { |
| /* 2.2 imbitable ! */ |
| typeDecl->contentType = |
| XML_SCHEMA_CONTENT_ELEMENTS; |
| } else { |
| /* 2.3 imbitable pareil ! */ |
| typeDecl->contentType = |
| XML_SCHEMA_CONTENT_ELEMENTS; |
| } |
| break; |
| } |
| case XML_SCHEMA_TYPE_COMPLEX:{ |
| if (typeDecl->subtypes == NULL) { |
| typeDecl->contentType = XML_SCHEMA_CONTENT_EMPTY; |
| |
| if (typeDecl->flags & XML_SCHEMAS_TYPE_MIXED) |
| typeDecl->contentType = |
| XML_SCHEMA_CONTENT_MIXED; |
| } else { |
| if (typeDecl->flags & XML_SCHEMAS_TYPE_MIXED) { |
| typeDecl->contentType = |
| XML_SCHEMA_CONTENT_MIXED; |
| } else { |
| xmlSchemaTypeFixup(typeDecl->subtypes, ctxt, |
| NULL); |
| if (typeDecl->subtypes != NULL) |
| typeDecl->contentType = |
| typeDecl->subtypes->contentType; |
| } |
| /* Evaluate the derivation method. */ |
| if ((typeDecl->subtypes != NULL) && |
| ((typeDecl->subtypes->type == |
| XML_SCHEMA_TYPE_COMPLEX_CONTENT) || |
| (typeDecl->subtypes->type == |
| XML_SCHEMA_TYPE_SIMPLE_CONTENT)) && |
| (typeDecl->subtypes->subtypes != NULL)) { |
| if (typeDecl->subtypes->subtypes->type == |
| XML_SCHEMA_TYPE_EXTENSION) { |
| typeDecl->flags |= |
| XML_SCHEMAS_TYPE_DERIVATION_METHOD_EXTENSION; |
| } else if (typeDecl->subtypes->subtypes->type == |
| XML_SCHEMA_TYPE_RESTRICTION) { |
| typeDecl->flags |= |
| XML_SCHEMAS_TYPE_DERIVATION_METHOD_RESTRICTION; |
| } |
| } |
| } |
| xmlSchemaBuildAttributeValidation(ctxt, typeDecl); |
| break; |
| } |
| case XML_SCHEMA_TYPE_COMPLEX_CONTENT:{ |
| if (typeDecl->subtypes == NULL) { |
| typeDecl->contentType = XML_SCHEMA_CONTENT_EMPTY; |
| if (typeDecl->flags & XML_SCHEMAS_TYPE_MIXED) |
| typeDecl->contentType = |
| XML_SCHEMA_CONTENT_MIXED; |
| } else { |
| if (typeDecl->flags & XML_SCHEMAS_TYPE_MIXED) { |
| typeDecl->contentType = |
| XML_SCHEMA_CONTENT_MIXED; |
| } else { |
| xmlSchemaTypeFixup(typeDecl->subtypes, ctxt, |
| NULL); |
| if (typeDecl->subtypes != NULL) |
| typeDecl->contentType = |
| typeDecl->subtypes->contentType; |
| } |
| /* |
| * Removed due to implementation of the build of attribute uses. |
| */ |
| /* |
| if (typeDecl->attributes == NULL) |
| typeDecl->attributes = |
| typeDecl->subtypes->attributes; |
| */ |
| } |
| break; |
| } |
| case XML_SCHEMA_TYPE_SEQUENCE: |
| case XML_SCHEMA_TYPE_GROUP: |
| case XML_SCHEMA_TYPE_ALL: |
| case XML_SCHEMA_TYPE_CHOICE: |
| typeDecl->contentType = XML_SCHEMA_CONTENT_ELEMENTS; |
| break; |
| case XML_SCHEMA_TYPE_LIST: |
| xmlSchemaParseListRefFixup(typeDecl, ctxt); |
| /* no break on purpose */ |
| case XML_SCHEMA_TYPE_UNION: |
| if (typeDecl->type == XML_SCHEMA_TYPE_UNION) |
| xmlSchemaParseUnionRefCheck(typeDecl, ctxt); |
| /* no break on purpose */ |
| case XML_SCHEMA_TYPE_BASIC: |
| case XML_SCHEMA_TYPE_ANY: |
| case XML_SCHEMA_TYPE_FACET: |
| case XML_SCHEMA_TYPE_SIMPLE: |
| case XML_SCHEMA_TYPE_UR: |
| case XML_SCHEMA_TYPE_ELEMENT: |
| case XML_SCHEMA_TYPE_ATTRIBUTE: |
| case XML_SCHEMA_TYPE_ATTRIBUTEGROUP: |
| case XML_SCHEMA_TYPE_ANY_ATTRIBUTE: |
| case XML_SCHEMA_TYPE_NOTATION: |
| case XML_SCHEMA_FACET_MININCLUSIVE: |
| case XML_SCHEMA_FACET_MINEXCLUSIVE: |
| case XML_SCHEMA_FACET_MAXINCLUSIVE: |
| case XML_SCHEMA_FACET_MAXEXCLUSIVE: |
| case XML_SCHEMA_FACET_TOTALDIGITS: |
| case XML_SCHEMA_FACET_FRACTIONDIGITS: |
| case XML_SCHEMA_FACET_PATTERN: |
| case XML_SCHEMA_FACET_ENUMERATION: |
| case XML_SCHEMA_FACET_WHITESPACE: |
| case XML_SCHEMA_FACET_LENGTH: |
| case XML_SCHEMA_FACET_MAXLENGTH: |
| case XML_SCHEMA_FACET_MINLENGTH: |
| typeDecl->contentType = XML_SCHEMA_CONTENT_SIMPLE; |
| if (typeDecl->subtypes != NULL) |
| xmlSchemaTypeFixup(typeDecl->subtypes, ctxt, NULL); |
| break; |
| } |
| } |
| #ifdef DEBUG_TYPE |
| if (typeDecl->node != NULL) { |
| xmlGenericError(xmlGenericErrorContext, |
| "Type of %s : %s:%d :", name, |
| typeDecl->node->doc->URL, |
| xmlGetLineNo(typeDecl->node)); |
| } else { |
| xmlGenericError(xmlGenericErrorContext, "Type of %s :", name); |
| } |
| switch (typeDecl->contentType) { |
| case XML_SCHEMA_CONTENT_SIMPLE: |
| xmlGenericError(xmlGenericErrorContext, "simple\n"); |
| break; |
| case XML_SCHEMA_CONTENT_ELEMENTS: |
| xmlGenericError(xmlGenericErrorContext, "elements\n"); |
| break; |
| case XML_SCHEMA_CONTENT_UNKNOWN: |
| xmlGenericError(xmlGenericErrorContext, "unknown !!!\n"); |
| break; |
| case XML_SCHEMA_CONTENT_EMPTY: |
| xmlGenericError(xmlGenericErrorContext, "empty\n"); |
| break; |
| case XML_SCHEMA_CONTENT_MIXED: |
| xmlGenericError(xmlGenericErrorContext, "mixed\n"); |
| break; |
| case XML_SCHEMA_CONTENT_MIXED_OR_ELEMENTS: |
| xmlGenericError(xmlGenericErrorContext, "mixed or elems\n"); |
| break; |
| case XML_SCHEMA_CONTENT_BASIC: |
| xmlGenericError(xmlGenericErrorContext, "basic\n"); |
| break; |
| default: |
| xmlGenericError(xmlGenericErrorContext, |
| "not registered !!!\n"); |
| break; |
| } |
| #endif |
| } |
| |
| /** |
| * xmlSchemaCheckFacet: |
| * @facet: the facet |
| * @typeDecl: the schema type definition |
| * @ctxt: the schema parser context or NULL |
| * @name: name of the type |
| * |
| * Checks the default values types, especially for facets |
| * |
| * Returns 0 if okay or -1 in cae of error |
| */ |
| int |
| xmlSchemaCheckFacet(xmlSchemaFacetPtr facet, |
| xmlSchemaTypePtr typeDecl, |
| xmlSchemaParserCtxtPtr ctxt, const xmlChar * name) |
| { |
| static xmlSchemaTypePtr nonNegativeIntegerType = NULL; |
| int ret = 0; |
| |
| if (nonNegativeIntegerType == NULL) { |
| nonNegativeIntegerType = |
| xmlSchemaGetPredefinedType(BAD_CAST "nonNegativeInteger", |
| xmlSchemaNs); |
| } |
| switch (facet->type) { |
| case XML_SCHEMA_FACET_MININCLUSIVE: |
| case XML_SCHEMA_FACET_MINEXCLUSIVE: |
| case XML_SCHEMA_FACET_MAXINCLUSIVE: |
| case XML_SCHEMA_FACET_MAXEXCLUSIVE:{ |
| /* |
| * Okay we need to validate the value |
| * at that point. |
| */ |
| xmlSchemaValidCtxtPtr vctxt; |
| |
| vctxt = xmlSchemaNewValidCtxt(NULL); |
| if (vctxt == NULL) |
| break; |
| xmlSchemaValidateSimpleValue(vctxt, typeDecl, |
| facet->value); |
| facet->val = vctxt->value; |
| vctxt->value = NULL; |
| if (facet->val == NULL) { |
| /* error code */ |
| if (ctxt != NULL) { |
| xmlSchemaPErr(ctxt, facet->node, |
| XML_SCHEMAP_INVALID_FACET, |
| "Schemas: type %s facet value %s invalid\n", |
| name, facet->value); |
| } |
| ret = -1; |
| } |
| xmlSchemaFreeValidCtxt(vctxt); |
| break; |
| } |
| case XML_SCHEMA_FACET_ENUMERATION:{ |
| /* |
| * Okay we need to validate the value |
| * at that point. |
| */ |
| xmlSchemaValidCtxtPtr vctxt; |
| int tmp; |
| |
| vctxt = xmlSchemaNewValidCtxt(NULL); |
| if (vctxt == NULL) |
| break; |
| tmp = xmlSchemaValidateSimpleValue(vctxt, typeDecl, |
| facet->value); |
| if (tmp != 0) { |
| if (ctxt != NULL) { |
| xmlSchemaPErr(ctxt, facet->node, |
| XML_SCHEMAP_INVALID_ENUM, |
| "Schemas: type %s enumeration value %s invalid\n", |
| name, facet->value); |
| } |
| ret = -1; |
| } |
| xmlSchemaFreeValidCtxt(vctxt); |
| break; |
| } |
| case XML_SCHEMA_FACET_PATTERN: |
| facet->regexp = xmlRegexpCompile(facet->value); |
| if (facet->regexp == NULL) { |
| xmlSchemaPErr(ctxt, typeDecl->node, |
| XML_SCHEMAP_REGEXP_INVALID, |
| "Schemas: type %s facet regexp %s invalid\n", |
| name, facet->value); |
| ret = -1; |
| } |
| break; |
| case XML_SCHEMA_FACET_TOTALDIGITS: |
| case XML_SCHEMA_FACET_FRACTIONDIGITS: |
| case XML_SCHEMA_FACET_LENGTH: |
| case XML_SCHEMA_FACET_MAXLENGTH: |
| case XML_SCHEMA_FACET_MINLENGTH:{ |
| int tmp; |
| |
| tmp = |
| xmlSchemaValidatePredefinedType(nonNegativeIntegerType, |
| facet->value, |
| &facet->val); |
| if (tmp != 0) { |
| /* error code */ |
| if (ctxt != NULL) { |
| xmlSchemaPErr(ctxt, facet->node, |
| XML_SCHEMAP_INVALID_FACET_VALUE, |
| "Schemas: type %s facet value %s invalid\n", |
| name, facet->value); |
| } |
| ret = -1; |
| } |
| break; |
| } |
| case XML_SCHEMA_FACET_WHITESPACE:{ |
| if (xmlStrEqual(facet->value, BAD_CAST "preserve")) { |
| facet->whitespace = XML_SCHEMAS_FACET_PRESERVE; |
| } else if (xmlStrEqual(facet->value, BAD_CAST "replace")) { |
| facet->whitespace = XML_SCHEMAS_FACET_REPLACE; |
| } else if (xmlStrEqual(facet->value, BAD_CAST "collapse")) { |
| facet->whitespace = XML_SCHEMAS_FACET_COLLAPSE; |
| } else { |
| if (ctxt != NULL) { |
| xmlSchemaPErr(ctxt, facet->node, |
| XML_SCHEMAP_INVALID_WHITE_SPACE, |
| "Schemas: type %s whiteSpace value %s invalid\n", |
| name, facet->value); |
| } |
| ret = -1; |
| } |
| } |
| default: |
| break; |
| } |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaCheckDefaults: |
| * @typeDecl: the schema type definition |
| * @ctxt: the schema parser context |
| * |
| * Checks the default values types, especially for facets |
| */ |
| static void |
| xmlSchemaCheckDefaults(xmlSchemaTypePtr typeDecl, |
| xmlSchemaParserCtxtPtr ctxt, const xmlChar * name) |
| { |
| if (name == NULL) |
| name = typeDecl->name; |
| if (typeDecl->type == XML_SCHEMA_TYPE_RESTRICTION) { |
| if (typeDecl->facets != NULL) { |
| xmlSchemaFacetPtr facet = typeDecl->facets; |
| |
| while (facet != NULL) { |
| xmlSchemaCheckFacet(facet, typeDecl, ctxt, name); |
| facet = facet->next; |
| } |
| } |
| } |
| } |
| |
| /** |
| * xmlSchemaAttrGrpFixup: |
| * @attrgrpDecl: the schema attribute definition |
| * @ctxt: the schema parser context |
| * @name: the attribute name |
| * |
| * Fixes finish doing the computations on the attributes definitions |
| */ |
| static void |
| xmlSchemaAttrGrpFixup(xmlSchemaAttributeGroupPtr attrgrp, |
| xmlSchemaParserCtxtPtr ctxt, const xmlChar * name) |
| { |
| if (name == NULL) |
| name = attrgrp->name; |
| if (attrgrp->attributes != NULL) |
| return; |
| if (attrgrp->ref != NULL) { |
| xmlSchemaAttributeGroupPtr ref; |
| |
| ref = xmlSchemaGetAttributeGroup(ctxt->schema, attrgrp->ref, attrgrp->refNs); |
| if (ref == NULL) { |
| xmlSchemaPErr(ctxt, attrgrp->node, |
| XML_SCHEMAP_UNKNOWN_ATTRIBUTE_GROUP, |
| "Schemas: attribute group %s reference %s not found\n", |
| name, attrgrp->ref); |
| return; |
| } |
| xmlSchemaAttrGrpFixup(ref, ctxt, NULL); |
| attrgrp->attributes = ref->attributes; |
| attrgrp->attributeWildcard = ref->attributeWildcard; |
| } |
| /* |
| * Removed, since a global attribute group does not need to hold any |
| * attributes or wildcard |
| */ |
| /* |
| else { |
| xmlSchemaPErr(ctxt, attrgrp->node, XML_SCHEMAP_NOATTR_NOREF, |
| "Schemas: attribute group %s has no attributes nor reference\n", |
| name, NULL); |
| } |
| */ |
| } |
| |
| /** |
| * xmlSchemaAttrFixup: |
| * @attrDecl: the schema attribute definition |
| * @ctxt: the schema parser context |
| * @name: the attribute name |
| * |
| * Fixes finish doing the computations on the attributes definitions |
| */ |
| static void |
| xmlSchemaAttrFixup(xmlSchemaAttributePtr attrDecl, |
| xmlSchemaParserCtxtPtr ctxt, const xmlChar * name) |
| { |
| if (name == NULL) |
| name = attrDecl->name; |
| if (attrDecl->subtypes != NULL) |
| return; |
| if (attrDecl->typeName != NULL) { |
| xmlSchemaTypePtr type; |
| |
| type = xmlSchemaGetType(ctxt->schema, attrDecl->typeName, |
| attrDecl->typeNs); |
| if (type == NULL) { |
| xmlSchemaPErr(ctxt, attrDecl->node, XML_SCHEMAP_UNKNOWN_TYPE, |
| "Schemas: attribute %s type %s not found\n", |
| name, attrDecl->typeName); |
| } |
| attrDecl->subtypes = type; |
| } else if (attrDecl->ref != NULL) { |
| xmlSchemaAttributePtr ref; |
| |
| ref = xmlSchemaGetAttribute(ctxt->schema, attrDecl->ref, attrDecl->refNs); |
| if (ref == NULL) { |
| xmlSchemaPErr(ctxt, attrDecl->node, XML_SCHEMAP_UNKNOWN_REF, |
| "Schemas: attribute %s reference %s not found\n", |
| name, attrDecl->ref); |
| return; |
| } |
| xmlSchemaAttrFixup(ref, ctxt, NULL); |
| attrDecl->subtypes = ref->subtypes; |
| } else { |
| xmlSchemaPErr(ctxt, attrDecl->node, XML_SCHEMAP_NOTYPE_NOREF, |
| "Schemas: attribute %s has no type nor reference\n", |
| name, NULL); |
| } |
| } |
| |
| /** |
| * xmlSchemaParse: |
| * @ctxt: a schema validation context |
| * |
| * parse a schema definition resource and build an internal |
| * XML Shema struture which can be used to validate instances. |
| * *WARNING* this interface is highly subject to change |
| * |
| * Returns the internal XML Schema structure built from the resource or |
| * NULL in case of error |
| */ |
| xmlSchemaPtr |
| xmlSchemaParse(xmlSchemaParserCtxtPtr ctxt) |
| { |
| xmlSchemaPtr ret = NULL; |
| xmlDocPtr doc; |
| xmlNodePtr root; |
| int nberrors; |
| int preserve = 0; |
| |
| xmlSchemaInitTypes(); |
| |
| if (ctxt == NULL) |
| return (NULL); |
| |
| nberrors = ctxt->nberrors; |
| ctxt->nberrors = 0; |
| ctxt->counter = 0; |
| ctxt->container = NULL; |
| |
| /* |
| * First step is to parse the input document into an DOM/Infoset |
| */ |
| if (ctxt->URL != NULL) { |
| doc = xmlReadFile((const char *) ctxt->URL, NULL, |
| SCHEMAS_PARSE_OPTIONS); |
| if (doc == NULL) { |
| xmlSchemaPErr(ctxt, NULL, |
| XML_SCHEMAP_FAILED_LOAD, |
| "xmlSchemaParse: could not load %s\n", |
| ctxt->URL, NULL); |
| return (NULL); |
| } |
| } else if (ctxt->buffer != NULL) { |
| doc = xmlReadMemory(ctxt->buffer, ctxt->size, NULL, NULL, |
| SCHEMAS_PARSE_OPTIONS); |
| if (doc == NULL) { |
| xmlSchemaPErr(ctxt, NULL, |
| XML_SCHEMAP_FAILED_PARSE, |
| "xmlSchemaParse: could not parse\n", |
| NULL, NULL); |
| return (NULL); |
| } |
| doc->URL = xmlStrdup(BAD_CAST "in_memory_buffer"); |
| ctxt->URL = xmlDictLookup(ctxt->dict, BAD_CAST "in_memory_buffer", -1); |
| } else if (ctxt->doc != NULL) { |
| doc = ctxt->doc; |
| preserve = 1; |
| } else { |
| xmlSchemaPErr(ctxt, NULL, |
| XML_SCHEMAP_NOTHING_TO_PARSE, |
| "xmlSchemaParse: could not parse\n", |
| NULL, NULL); |
| return (NULL); |
| } |
| |
| /* |
| * Then extract the root and Schema parse it |
| */ |
| root = xmlDocGetRootElement(doc); |
| if (root == NULL) { |
| xmlSchemaPErr(ctxt, (xmlNodePtr) doc, |
| XML_SCHEMAP_NOROOT, |
| "schemas has no root", NULL, NULL); |
| if (!preserve) { |
| xmlFreeDoc(doc); |
| } |
| return (NULL); |
| } |
| |
| /* |
| * Remove all the blank text nodes |
| */ |
| xmlSchemaCleanupDoc(ctxt, root); |
| |
| /* |
| * Then do the parsing for good |
| */ |
| ret = xmlSchemaParseSchema(ctxt, root); |
| if (ret == NULL) { |
| if (!preserve) { |
| xmlFreeDoc(doc); |
| } |
| return (NULL); |
| } |
| ret->doc = doc; |
| ret->preserve = preserve; |
| |
| /* |
| * Then fix all the references. |
| */ |
| ctxt->schema = ret; |
| xmlHashScanFull(ret->elemDecl, |
| (xmlHashScannerFull) xmlSchemaRefFixupCallback, ctxt); |
| |
| /* |
| * Then fixup all attributes declarations |
| */ |
| xmlHashScan(ret->attrDecl, (xmlHashScanner) xmlSchemaAttrFixup, ctxt); |
| |
| /* |
| * Then fixup all attributes group declarations |
| */ |
| xmlHashScan(ret->attrgrpDecl, (xmlHashScanner) xmlSchemaAttrGrpFixup, |
| ctxt); |
| |
| /* |
| * Then fixup all types properties |
| */ |
| xmlHashScan(ret->typeDecl, (xmlHashScanner) xmlSchemaTypeFixup, ctxt); |
| |
| /* |
| * Then build the content model for all elements |
| */ |
| xmlHashScan(ret->elemDecl, |
| (xmlHashScanner) xmlSchemaBuildContentModel, ctxt); |
| |
| /* |
| * Then check the defaults part of the type like facets values |
| */ |
| xmlHashScan(ret->typeDecl, (xmlHashScanner) xmlSchemaCheckDefaults, |
| ctxt); |
| |
| if (ctxt->nberrors != 0) { |
| xmlSchemaFree(ret); |
| ret = NULL; |
| } |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaSetParserErrors: |
| * @ctxt: a schema validation context |
| * @err: the error callback |
| * @warn: the warning callback |
| * @ctx: contextual data for the callbacks |
| * |
| * Set the callback functions used to handle errors for a validation context |
| */ |
| void |
| xmlSchemaSetParserErrors(xmlSchemaParserCtxtPtr ctxt, |
| xmlSchemaValidityErrorFunc err, |
| xmlSchemaValidityWarningFunc warn, void *ctx) |
| { |
| if (ctxt == NULL) |
| return; |
| ctxt->error = err; |
| ctxt->warning = warn; |
| ctxt->userData = ctx; |
| } |
| |
| /** |
| * xmlSchemaFacetTypeToString: |
| * @type: the facet type |
| * |
| * Convert the xmlSchemaTypeType to a char string. |
| * |
| * Returns the char string representation of the facet type if the |
| * type is a facet and an "Internal Error" string otherwise. |
| */ |
| static const char * |
| xmlSchemaFacetTypeToString(xmlSchemaTypeType type) |
| { |
| switch (type) { |
| case XML_SCHEMA_FACET_PATTERN: |
| return ("pattern"); |
| case XML_SCHEMA_FACET_MAXEXCLUSIVE: |
| return ("maxExclusive"); |
| case XML_SCHEMA_FACET_MAXINCLUSIVE: |
| return ("maxInclusive"); |
| case XML_SCHEMA_FACET_MINEXCLUSIVE: |
| return ("minExclusive"); |
| case XML_SCHEMA_FACET_MININCLUSIVE: |
| return ("minInclusive"); |
| case XML_SCHEMA_FACET_WHITESPACE: |
| return ("whiteSpace"); |
| case XML_SCHEMA_FACET_ENUMERATION: |
| return ("enumeration"); |
| case XML_SCHEMA_FACET_LENGTH: |
| return ("length"); |
| case XML_SCHEMA_FACET_MAXLENGTH: |
| return ("maxLength"); |
| case XML_SCHEMA_FACET_MINLENGTH: |
| return ("minLength"); |
| case XML_SCHEMA_FACET_TOTALDIGITS: |
| return ("totalDigits"); |
| case XML_SCHEMA_FACET_FRACTIONDIGITS: |
| return ("fractionDigits"); |
| default: |
| break; |
| } |
| return ("Internal Error"); |
| } |
| |
| /** |
| * xmlSchemaValidateFacetsInternal: |
| * @ctxt: a schema validation context |
| * @base: the base type |
| * @facets: the list of facets to check |
| * @value: the lexical repr of the value to validate |
| * @val: the precomputed value |
| * @fireErrors: if 0, only internal errors will be fired; |
| * otherwise all errors will be fired. |
| * |
| * Check a value against all facet conditions |
| * |
| * Returns 0 if the element is schemas valid, a positive error code |
| * number otherwise and -1 in case of internal or API error. |
| */ |
| static int |
| xmlSchemaValidateFacetsInternal(xmlSchemaValidCtxtPtr ctxt, |
| xmlSchemaTypePtr base, |
| xmlSchemaFacetPtr facets, |
| const xmlChar * value, int fireErrors) |
| { |
| int ret = 0; |
| int tmp = 0; |
| xmlSchemaTypeType type; |
| xmlSchemaFacetPtr facet = facets; |
| |
| while (facet != NULL) { |
| type = facet->type; |
| if (type == XML_SCHEMA_FACET_ENUMERATION) { |
| tmp = 1; |
| |
| while (facet != NULL) { |
| tmp = |
| xmlSchemaValidateFacet(base, facet, value, |
| ctxt->value); |
| if (tmp == 0) { |
| return 0; |
| } |
| facet = facet->next; |
| } |
| } else |
| tmp = xmlSchemaValidateFacet(base, facet, value, ctxt->value); |
| |
| if (tmp != 0) { |
| ret = tmp; |
| if (fireErrors) |
| xmlSchemaVErr(ctxt, ctxt->cur, XML_SCHEMAS_ERR_FACET, |
| "Failed to validate type with facet %s\n", |
| (const xmlChar *) xmlSchemaFacetTypeToString(type), |
| NULL); |
| } |
| if (facet != NULL) |
| facet = facet->next; |
| } |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaValidateFacets: |
| * @ctxt: a schema validation context |
| * @base: the base type |
| * @facets: the list of facets to check |
| * @value: the lexical repr of the value to validate |
| * @val: the precomputed value |
| * |
| * Check a value against all facet conditions |
| * |
| * Returns 0 if the element is schemas valid, a positive error code |
| * number otherwise and -1 in case of internal or API error. |
| */ |
| static int |
| xmlSchemaValidateFacets(xmlSchemaValidCtxtPtr ctxt, |
| xmlSchemaTypePtr base, |
| xmlSchemaFacetPtr facets, const xmlChar * value) |
| { |
| return(xmlSchemaValidateFacetsInternal(ctxt, base, facets, value, 1)); |
| } |
| |
| /************************************************************************ |
| * * |
| * Simple type validation * |
| * * |
| ************************************************************************/ |
| |
| /** |
| * xmlSchemaValidateSimpleValueUnion: |
| * @ctxt: a schema validation context |
| * @type: the type declaration |
| * @value: the value to validate |
| * |
| * Validates a value against a union. |
| * |
| * Returns 0 if the value is valid, a positive error code |
| * number otherwise and -1 in case of internal or API error. |
| */ |
| static int |
| xmlSchemaValidateSimpleValueUnion(xmlSchemaValidCtxtPtr ctxt, |
| xmlSchemaTypePtr type, const xmlChar * value) |
| { |
| int ret = 0; |
| const xmlChar *cur, *end, *prefix, *ncName; |
| xmlChar *tmp; |
| xmlSchemaTypePtr subtype; |
| xmlNsPtr ns; |
| int len; |
| |
| |
| /* Process referenced memberTypes. */ |
| cur = type->ref; |
| do { |
| while (IS_BLANK_CH(*cur)) |
| cur++; |
| end = cur; |
| while ((*end != 0) && (!(IS_BLANK_CH(*end)))) |
| end++; |
| if (end == cur) |
| break; |
| tmp = xmlStrndup(cur, end - cur); |
| ncName = xmlSplitQName3(tmp, &len); |
| if (ncName != NULL) { |
| prefix = xmlStrndup(tmp, len); |
| /* prefix = xmlDictLookup(ctxt->doc->dict, tmp, len); */ |
| } else { |
| prefix = NULL; |
| ncName = tmp; |
| } |
| /* We won't do additional checks here, |
| * since they have been performed during parsing. */ |
| ns = xmlSearchNs(type->node->doc, type->node, prefix); |
| /* namespace = xmlDictLookup(ctxt->doc->dict, ns->href, -1); */ |
| subtype = xmlSchemaGetType(ctxt->schema, ncName, ns->href); |
| if (tmp != NULL) |
| xmlFree(tmp); |
| if (prefix != NULL) |
| xmlFree((void *)prefix); |
| ret = xmlSchemaValidateSimpleValueInternal(ctxt, subtype, value, 0); |
| if ((ret == 0) || (ret == -1)) { |
| return (ret); |
| } |
| cur = end; |
| } while (*cur != 0); |
| |
| if (type->subtypes != NULL) { |
| subtype = type->subtypes; |
| do { |
| ret = xmlSchemaValidateSimpleValueInternal(ctxt, subtype, value, 0); |
| if ((ret == 0) || (ret == -1)) { |
| return (ret); |
| } |
| subtype = subtype->next; |
| } while (subtype != NULL); |
| } |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaValidateSimpleValue: |
| * @ctxt: a schema validation context |
| * @type: the type declaration |
| * @value: the value to validate |
| * |
| * Validate a value against a simple type |
| * |
| * Returns 0 if the value is valid, a positive error code |
| * number otherwise and -1 in case of internal or API error. |
| */ |
| static int |
| xmlSchemaValidateSimpleValue(xmlSchemaValidCtxtPtr ctxt, |
| xmlSchemaTypePtr type, const xmlChar * value) |
| { |
| return (xmlSchemaValidateSimpleValueInternal(ctxt, type, value, 1)); |
| } |
| |
| /** |
| * xmlSchemaValidateSimpleValue: |
| * @ctxt: a schema validation context |
| * @type: the type declaration |
| * @value: the value to validate |
| * @fireErrors: if 0, only internal errors will be fired; |
| * otherwise all errors will be fired. |
| * |
| * Validate a value against a simple type |
| * |
| * Returns 0 if the value is valid, a positive error code |
| * number otherwise and -1 in case of internal or API error. |
| */ |
| static int |
| xmlSchemaValidateSimpleValueInternal(xmlSchemaValidCtxtPtr ctxt, |
| xmlSchemaTypePtr type, |
| const xmlChar * value, |
| int fireErrors) |
| { |
| int ret = 0; |
| |
| /* |
| * First normalize the value accordingly to Schema Datatype |
| * 4.3.6 whiteSpace definition of the whiteSpace facet of type |
| * |
| * Then check the normalized value against the lexical space of the |
| * type. |
| */ |
| if (type->type == XML_SCHEMA_TYPE_BASIC) { |
| if (ctxt->value != NULL) { |
| xmlSchemaFreeValue(ctxt->value); |
| ctxt->value = NULL; |
| } |
| ret = xmlSchemaValPredefTypeNode(type, value, &(ctxt->value), |
| ctxt->cur); |
| if ((fireErrors) && (ret != 0)) { |
| xmlSchemaVErr(ctxt, ctxt->cur, XML_SCHEMAS_ERR_VALUE, |
| "Failed to validate basic type %s\n", |
| type->name, NULL); |
| } |
| } else if (type->type == XML_SCHEMA_TYPE_RESTRICTION) { |
| xmlSchemaTypePtr base; |
| xmlSchemaFacetPtr facet; |
| |
| base = type->baseType; |
| if (base != NULL) { |
| ret = xmlSchemaValidateSimpleValueInternal(ctxt, base, |
| value, fireErrors); |
| } else if (type->subtypes != NULL) { |
| TODO |
| } |
| |
| /* |
| * Do not validate facets or attributes when working on |
| * building the Schemas |
| */ |
| if (ctxt->schema != NULL) { |
| if (ret == 0) { |
| facet = type->facets; |
| ret = xmlSchemaValidateFacetsInternal(ctxt, base, facet, |
| value, fireErrors); |
| } |
| } |
| } else if (type->type == XML_SCHEMA_TYPE_SIMPLE) { |
| xmlSchemaTypePtr base; |
| |
| base = type->subtypes; |
| if (base != NULL) { |
| ret = xmlSchemaValidateSimpleValueInternal(ctxt, base, |
| value, fireErrors); |
| } else { |
| TODO} |
| } else if (type->type == XML_SCHEMA_TYPE_LIST) { |
| xmlSchemaTypePtr base; |
| const xmlChar *cur, *end; |
| xmlChar *tmp; |
| int ret2; |
| |
| base = type->subtypes; |
| if (base == NULL) { |
| xmlSchemaVErr(ctxt, type->node, XML_SCHEMAS_ERR_INTERNAL, |
| "Internal: List type %s has no base type\n", |
| type->name, NULL); |
| return (-1); |
| } |
| cur = value; |
| do { |
| while (IS_BLANK_CH(*cur)) |
| cur++; |
| end = cur; |
| while ((*end != 0) && (!(IS_BLANK_CH(*end)))) |
| end++; |
| if (end == cur) |
| break; |
| tmp = xmlStrndup(cur, end - cur); |
| ret2 = xmlSchemaValidateSimpleValueInternal(ctxt, base, |
| tmp, fireErrors); |
| xmlFree(tmp); |
| if (ret2 != 0) |
| ret = 1; |
| cur = end; |
| } while (*cur != 0); |
| } else if (type->type == XML_SCHEMA_TYPE_UNION) { |
| ret = xmlSchemaValidateSimpleValueUnion(ctxt, type, value); |
| if ((fireErrors) && (ret != 0)) { |
| xmlSchemaVErr(ctxt, ctxt->cur, XML_SCHEMAS_ERR_VALUE, |
| "Failed to validate type %s\n", type->name, NULL); |
| } |
| } else { |
| TODO |
| } |
| return (ret); |
| } |
| |
| /************************************************************************ |
| * * |
| * DOM Validation code * |
| * * |
| ************************************************************************/ |
| |
| static int xmlSchemaValidateContent(xmlSchemaValidCtxtPtr ctxt, |
| xmlNodePtr node); |
| static int xmlSchemaValidateAttributes(xmlSchemaValidCtxtPtr ctxt, |
| xmlNodePtr elem, |
| xmlSchemaTypePtr type); |
| static int xmlSchemaValidateType(xmlSchemaValidCtxtPtr ctxt, |
| xmlNodePtr elem, |
| xmlSchemaElementPtr elemDecl, |
| xmlSchemaTypePtr type); |
| |
| |
| /** |
| * xmlSchemaFreeAttrStates: |
| * @state: a list of attribute states |
| * |
| * Free the given list of attribute states |
| * |
| */ |
| static void |
| xmlSchemaFreeAttributeStates(xmlSchemaAttrStatePtr state) |
| { |
| xmlSchemaAttrStatePtr tmp; |
| while (state != NULL) { |
| tmp = state; |
| state = state->next; |
| xmlFree(tmp); |
| } |
| } |
| |
| /** |
| * xmlSchemaRegisterAttributes: |
| * @ctxt: a schema validation context |
| * @attrs: a list of attributes |
| * |
| * Register the list of attributes as the set to be validated on that element |
| * |
| * Returns -1 in case of error, 0 otherwise |
| */ |
| static int |
| xmlSchemaRegisterAttributes(xmlSchemaValidCtxtPtr ctxt, xmlAttrPtr attrs) |
| { |
| xmlSchemaAttrStatePtr tmp; |
| |
| ctxt->attr = NULL; |
| ctxt->attrTop = NULL; |
| while (attrs != NULL) { |
| if ((attrs->ns != NULL) && |
| (xmlStrEqual(attrs->ns->href, xmlSchemaInstanceNs))) { |
| attrs = attrs->next; |
| continue; |
| } |
| tmp = (xmlSchemaAttrStatePtr) |
| xmlMalloc(sizeof(xmlSchemaAttrState)); |
| if (tmp == NULL) { |
| xmlSchemaVErrMemory(ctxt, "registering attributes", NULL); |
| return (-1); |
| } |
| tmp->attr = attrs; |
| tmp->state = XML_SCHEMAS_ATTR_UNKNOWN; |
| tmp->next = NULL; |
| if (ctxt->attr == NULL) |
| ctxt->attr = tmp; |
| else |
| ctxt->attrTop->next = tmp; |
| ctxt->attrTop = tmp; |
| attrs = attrs->next; |
| } |
| return (0); |
| } |
| |
| /** |
| * xmlSchemaCheckAttributes: |
| * @ctxt: a schema validation context |
| * @node: the node carrying it. |
| * |
| * Check that the registered set of attributes on the current node |
| * has been properly validated. |
| * |
| * Returns 0 if validity constraints are met, 1 otherwise. |
| */ |
| static int |
| xmlSchemaCheckAttributes(xmlSchemaValidCtxtPtr ctxt, xmlNodePtr node) |
| { |
| int ret = 0; |
| xmlSchemaAttrStatePtr cur; |
| |
| cur = ctxt->attr; |
| while ((cur != NULL) && (cur != ctxt->attrTop->next)) { |
| if (cur->state != XML_SCHEMAS_ATTR_CHECKED) { |
| ret = 1; |
| if (cur->state == XML_SCHEMAS_ATTR_UNKNOWN) |
| xmlSchemaVErr(ctxt, node, XML_SCHEMAS_ERR_ATTRUNKNOWN, |
| "Attribute %s on %s is unknown\n", |
| cur->attr->name, node->name); |
| else if (cur->state == XML_SCHEMAS_ATTR_PROHIBITED) |
| xmlSchemaVErr(ctxt, node, XML_SCHEMAS_ERR_ATTRUNKNOWN, |
| "Attribute %s on %s is prohibited\n", |
| cur->attr->name, node->name); |
| else if (cur->state == XML_SCHEMAS_ATTR_INVALID_VALUE) |
| xmlSchemaVErr(ctxt, node, XML_SCHEMAS_ERR_ATTRINVALID, |
| "Attribute %s on %s does not match type\n", |
| cur->attr->name, node->name); |
| else if (cur->state == XML_SCHEMAS_ATTR_MISSING) { |
| if (cur->decl->ref != NULL) |
| xmlSchemaVErr(ctxt, node, XML_SCHEMAS_ERR_MISSING, |
| "Attribute %s on %s is required but missing\n", |
| cur->decl->ref, node->name); |
| else |
| xmlSchemaVErr(ctxt, node, XML_SCHEMAS_ERR_MISSING, |
| "Attribute %s on %s is required but missing\n", |
| cur->decl->name, node->name); |
| } |
| } |
| cur = cur->next; |
| } |
| |
| return (ret); |
| } |
| |
| #if 0 /* Not currently used - remove if ever needed */ |
| /** |
| * xmlSchemaValidateSimpleContent: |
| * @ctxt: a schema validation context |
| * @elem: an element |
| * @type: the type declaration |
| * |
| * Validate the content of an element expected to be a simple type |
| * |
| * Returns 0 if the element is schemas valid, a positive error code |
| * number otherwise and -1 in case of internal or API error. |
| */ |
| static int |
| xmlSchemaValidateSimpleContent(xmlSchemaValidCtxtPtr ctxt, |
| xmlNodePtr node ATTRIBUTE_UNUSED) |
| { |
| xmlNodePtr child; |
| xmlSchemaTypePtr type, base; |
| xmlChar *value; |
| int ret = 0; |
| |
| child = ctxt->node; |
| type = ctxt->type; |
| |
| /* |
| * Validation Rule: Element Locally Valid (Type): 3.1.3 |
| */ |
| value = xmlNodeGetContent(child); |
| /* xmlSchemaValidateSimpleValue(ctxt, type, value); */ |
| switch (type->type) { |
| case XML_SCHEMA_TYPE_RESTRICTION:{ |
| xmlSchemaFacetPtr facet; |
| |
| base = type->baseType; |
| if (base != NULL) { |
| ret = xmlSchemaValidateSimpleValue(ctxt, base, value); |
| } else { |
| TODO} |
| if (ret == 0) { |
| facet = type->facets; |
| ret = |
| xmlSchemaValidateFacets(ctxt, base, facet, value); |
| } |
| /* |
| * This should attempt to validate the attributes even |
| * when validation of the value failed. |
| */ |
| /* |
| if (type->attributes != NULL) { |
| ret = xmlSchemaValidateAttributes(ctxt, node, |
| type->attributes); |
| } |
| */ |
| break; |
| } |
| case XML_SCHEMA_TYPE_EXTENSION:{ |
| TODO |
| break; |
| } |
| default: |
| TODO |
| } |
| if (value != NULL) |
| xmlFree(value); |
| |
| return (ret); |
| } |
| #endif |
| |
| /** |
| * xmlSchemaValidateCheckNodeList |
| * @nodelist: the list of nodes |
| * |
| * Check the node list is only made of text nodes and entities pointing |
| * to text nodes |
| * |
| * Returns 1 if true, 0 if false and -1 in case of error |
| */ |
| static int |
| xmlSchemaValidateCheckNodeList(xmlNodePtr nodelist) |
| { |
| while (nodelist != NULL) { |
| if (nodelist->type == XML_ENTITY_REF_NODE) { |
| TODO /* implement recursion in the entity content */ |
| } |
| if ((nodelist->type != XML_TEXT_NODE) && |
| (nodelist->type != XML_COMMENT_NODE) && |
| (nodelist->type != XML_PI_NODE) && |
| (nodelist->type != XML_CDATA_SECTION_NODE)) { |
| return (0); |
| } |
| nodelist = nodelist->next; |
| } |
| return (1); |
| } |
| |
| /** |
| * xmlSchemaSkipIgnored: |
| * @ctxt: a schema validation context |
| * @type: the current type context |
| * @node: the top node. |
| * |
| * Skip ignorable nodes in that context |
| * |
| * Returns the new sibling |
| * number otherwise and -1 in case of internal or API error. |
| */ |
| static xmlNodePtr |
| xmlSchemaSkipIgnored(xmlSchemaValidCtxtPtr ctxt ATTRIBUTE_UNUSED, |
| xmlSchemaTypePtr type, xmlNodePtr node) |
| { |
| int mixed = 0; |
| |
| /* |
| * TODO complete and handle entities |
| */ |
| mixed = ((type->contentType == XML_SCHEMA_CONTENT_MIXED) || |
| (type->contentType == XML_SCHEMA_CONTENT_MIXED_OR_ELEMENTS)); |
| while ((node != NULL) && |
| ((node->type == XML_COMMENT_NODE) || |
| ((mixed == 1) && (node->type == XML_TEXT_NODE)) || |
| (((type->contentType == XML_SCHEMA_CONTENT_ELEMENTS) && |
| (node->type == XML_TEXT_NODE) && (IS_BLANK_NODE(node)))))) { |
| node = node->next; |
| } |
| return (node); |
| } |
| |
| /** |
| * xmlSchemaValidateCallback: |
| * @ctxt: a schema validation context |
| * @name: the name of the element detected (might be NULL) |
| * @type: the type |
| * |
| * A transition has been made in the automata associated to an element |
| * content model |
| */ |
| static void |
| xmlSchemaValidateCallback(xmlSchemaValidCtxtPtr ctxt, |
| const xmlChar * name ATTRIBUTE_UNUSED, |
| xmlSchemaTypePtr type, xmlNodePtr node) |
| { |
| xmlSchemaTypePtr oldtype = ctxt->type; |
| xmlNodePtr oldnode = ctxt->node; |
| |
| #ifdef DEBUG_CONTENT |
| xmlGenericError(xmlGenericErrorContext, |
| "xmlSchemaValidateCallback: %s, %s, %s\n", |
| name, type->name, node->name); |
| #endif |
| ctxt->type = type; |
| ctxt->node = node; |
| xmlSchemaValidateContent(ctxt, node); |
| ctxt->type = oldtype; |
| ctxt->node = oldnode; |
| } |
| |
| |
| #if 0 |
| |
| /** |
| * xmlSchemaValidateSimpleRestrictionType: |
| * @ctxt: a schema validation context |
| * @node: the top node. |
| * |
| * Validate the content of a restriction type. |
| * |
| * Returns 0 if the element is schemas valid, a positive error code |
| * number otherwise and -1 in case of internal or API error. |
| */ |
| static int |
| xmlSchemaValidateSimpleRestrictionType(xmlSchemaValidCtxtPtr ctxt, |
| xmlNodePtr node) |
| { |
| xmlNodePtr child; |
| xmlSchemaTypePtr type; |
| int ret; |
| |
| child = ctxt->node; |
| type = ctxt->type; |
| |
| if ((ctxt == NULL) || (type == NULL)) { |
| xmlSchemaVErr(ctxt, node, XML_SCHEMAS_ERR_INTERNAL, |
| "Internal error: xmlSchemaValidateSimpleRestrictionType %s\n", |
| node->name, NULL); |
| return (-1); |
| } |
| /* |
| * Only text and text based entities references shall be found there |
| */ |
| ret = xmlSchemaValidateCheckNodeList(child); |
| if (ret < 0) { |
| xmlSchemaVErr(ctxt, node, XML_SCHEMAS_ERR_INTERNAL, |
| "Internal error: xmlSchemaValidateSimpleType %s content\n", |
| node->name, NULL); |
| return (-1); |
| } else if (ret == 0) { |
| xmlSchemaVErr(ctxt, node, XML_SCHEMAS_ERR_NOTSIMPLE, |
| "Element %s content is not a simple type\n", |
| node->name, NULL); |
| return (-1); |
| } |
| ctxt->type = type->subtypes; |
| xmlSchemaValidateContent(ctxt, node); |
| ctxt->type = type; |
| return (ret); |
| } |
| #endif |
| |
| /** |
| * xmlSchemaValidateSimpleType: |
| * @ctxt: a schema validation context |
| * @node: the top node. |
| * |
| * Validate the content of an simple type. |
| * |
| * Returns 0 if the element is schemas valid, a positive error code |
| * number otherwise and -1 in case of internal or API error. |
| */ |
| static int |
| xmlSchemaValidateSimpleType(xmlSchemaValidCtxtPtr ctxt, xmlNodePtr node) |
| { |
| xmlNodePtr child; |
| xmlSchemaTypePtr type, base, variety; |
| xmlAttrPtr attr; |
| int ret; |
| xmlChar *value; |
| |
| |
| child = ctxt->node; |
| type = ctxt->type; |
| |
| if ((ctxt == NULL) || (type == NULL)) { |
| xmlSchemaVErr(ctxt, node, XML_SCHEMAS_ERR_INTERNAL, |
| "Internal error: xmlSchemaValidateSimpleType %s\n", |
| node->name, NULL); |
| return (-1); |
| } |
| /* |
| * Only text and text based entities references shall be found there |
| */ |
| ret = xmlSchemaValidateCheckNodeList(child); |
| if (ret < 0) { |
| xmlSchemaVErr(ctxt, node, XML_SCHEMAS_ERR_INTERNAL, |
| "Internal error: xmlSchemaValidateSimpleType %s content\n", |
| node->name, NULL); |
| return (-1); |
| } else if (ret == 0) { |
| xmlSchemaVErr(ctxt, node, XML_SCHEMAS_ERR_NOTSIMPLE, |
| "Element %s content is not a simple type\n", |
| node->name, NULL); |
| return (-1); |
| } |
| /* |
| * Validation Rule: Element Locally Valid (Type): 3.1.1 |
| */ |
| |
| attr = node->properties; |
| while (attr != NULL) { |
| if ((attr->ns == NULL) || |
| (!xmlStrEqual(attr->ns->href, xmlSchemaInstanceNs)) || |
| ((!xmlStrEqual(attr->name, BAD_CAST "type")) && |
| (!xmlStrEqual(attr->name, BAD_CAST "nil")) && |
| (!xmlStrEqual(attr->name, BAD_CAST "schemasLocation")) && |
| (!xmlStrEqual |
| (attr->name, BAD_CAST "noNamespaceSchemaLocation")))) { |
| xmlSchemaVErr(ctxt, node, XML_SCHEMAS_ERR_INVALIDATTR, |
| "Element %s: attribute %s should not be present\n", |
| node->name, attr->name); |
| return (ctxt->err); |
| } |
| } |
| /* TODO: |
| * If {variety} is ·atomic· then the {variety} of {base type definition} |
| * must be ·atomic·. |
| * If {variety} is ·list· then the {variety} of {item type definition} |
| * must be either ·atomic· or ·union·. |
| * If {variety} is ·union· then {member type definitions} must be a list |
| * of datatype definitions. |
| */ |
| if (type->subtypes == NULL) { |
| xmlSchemaVErr(ctxt, node, XML_SCHEMAS_ERR_INTERNAL, |
| "Internal error: xmlSchemaValidateSimpleType; " |
| "simple type %s does not define a variety\n", |
| node->name, NULL); |
| return (ctxt->err); |
| } |
| /* Varieties: Restriction or List or Union. */ |
| variety = type->subtypes; |
| ctxt->type = variety; |
| value = xmlNodeGetContent(child); |
| switch (variety->type) { |
| case XML_SCHEMA_TYPE_RESTRICTION:{ |
| xmlSchemaFacetPtr facet; |
| |
| base = variety->baseType; |
| if (base != NULL) { |
| ret = xmlSchemaValidateSimpleValue(ctxt, base, value); |
| } else { |
| TODO} |
| if (ret == 0) { |
| facet = variety->facets; |
| ret = |
| xmlSchemaValidateFacets(ctxt, base, facet, value); |
| } |
| /* Removed due to changes of attribute validation: |
| if ((ret == 0) && (variety->attributes != NULL)) { |
| ret = xmlSchemaValidateAttributes(ctxt, node, |
| variety->attributes); |
| } |
| */ |
| break; |
| } |
| case XML_SCHEMA_TYPE_LIST: |
| case XML_SCHEMA_TYPE_UNION: { |
| ret = xmlSchemaValidateSimpleValue(ctxt, variety, value); |
| break; |
| } |
| default:{ |
| xmlSchemaVErr(ctxt, node, XML_SCHEMAS_ERR_INTERNAL, |
| "Internal error: xmlSchemaValidateSimpleType; " |
| "simple type %s defines unknown content: %s\n", |
| variety->name, NULL); |
| ret = ctxt->err; |
| } |
| } |
| if (value != NULL) |
| xmlFree(value); |
| |
| /* This was removed, since a simple content is not a content of a |
| * simple type, but of a complex type. |
| * ret = xmlSchemaValidateSimpleContent(ctxt, node); |
| */ |
| ctxt->type = type; |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaValidateElementType: |
| * @ctxt: a schema validation context |
| * @node: the top node. |
| * |
| * Validate the content of an element type. |
| * Validation Rule: Element Locally Valid (Complex Type) |
| * |
| * Returns 0 if the element is schemas valid, a positive error code |
| * number otherwise and -1 in case of internal or API error. |
| */ |
| static int |
| xmlSchemaValidateElementType(xmlSchemaValidCtxtPtr ctxt, xmlNodePtr node) |
| { |
| xmlNodePtr child; |
| xmlSchemaTypePtr type; |
| xmlRegExecCtxtPtr oldregexp; /* cont model of the parent */ |
| xmlSchemaElementPtr decl; |
| int ret; |
| xmlSchemaAttrStatePtr attrs = NULL, attrTop = NULL; |
| |
| /* |
| * TODO: Look into "xmlSchemaValidateElement" for missing parts, which should |
| * go in here as well. |
| */ |
| |
| /* TODO: Is this one called always with an element declaration as the |
| * context's type? |
| */ |
| |
| oldregexp = ctxt->regexp; |
| |
| child = ctxt->node; |
| type = ctxt->type; |
| |
| if ((ctxt == NULL) || (type == NULL)) { |
| xmlSchemaVErr(ctxt, node, XML_SCHEMAS_ERR_INTERNAL, |
| "Internal error: xmlSchemaValidateElementType\n", |
| node->name, NULL); |
| return (-1); |
| } |
| if (child == NULL) { |
| if (type->minOccurs > 0) { |
| xmlSchemaVErr(ctxt, node, XML_SCHEMAS_ERR_MISSING, |
| "Element %s: missing child %s\n", |
| node->name, type->name); |
| } |
| return (ctxt->err); |
| } |
| |
| /* |
| * Verify the element matches |
| */ |
| if (!xmlStrEqual(child->name, type->name)) { |
| xmlSchemaVErr3(ctxt, node, XML_SCHEMAS_ERR_WRONGELEM, |
| "Element %s: missing child %s found %s\n", |
| node->name, type->name, child->name); |
| return (ctxt->err); |
| } |
| /* |
| * Verify the attributes |
| */ |
| |
| attrs = ctxt->attr; |
| attrTop = ctxt->attrTop; |
| |
| xmlSchemaRegisterAttributes(ctxt, child->properties); |
| |
| /* |
| * An element declaration does not hold any information about |
| * attributes; thus, the following was removed. |
| */ |
| /* xmlSchemaValidateAttributes(ctxt, child, type->attributes); */ |
| |
| /* |
| * Verify the element content recursively |
| */ |
| decl = (xmlSchemaElementPtr) type; |
| oldregexp = ctxt->regexp; |
| if (decl->contModel != NULL) { |
| ctxt->regexp = xmlRegNewExecCtxt(decl->contModel, |
| (xmlRegExecCallbacks) |
| xmlSchemaValidateCallback, ctxt); |
| #ifdef DEBUG_AUTOMATA |
| xmlGenericError(xmlGenericErrorContext, "====> %s\n", node->name); |
| #endif |
| } |
| xmlSchemaValidateType(ctxt, child, (xmlSchemaElementPtr) type, |
| type->subtypes); |
| |
| if (decl->contModel != NULL) { |
| ret = xmlRegExecPushString(ctxt->regexp, NULL, NULL); |
| #ifdef DEBUG_AUTOMATA |
| xmlGenericError(xmlGenericErrorContext, |
| "====> %s : %d\n", node->name, ret); |
| #endif |
| if (ret == 0) { |
| xmlSchemaVErr(ctxt, node, XML_SCHEMAS_ERR_ELEMCONT, |
| "Element %s content check failed\n", |
| node->name, NULL); |
| } else if (ret < 0) { |
| xmlSchemaVErr(ctxt, node, XML_SCHEMAS_ERR_ELEMCONT, |
| "Element %s content check failure\n", |
| node->name, NULL); |
| #ifdef DEBUG_CONTENT |
| } else { |
| xmlGenericError(xmlGenericErrorContext, |
| "Element %s content check succeeded\n", |
| node->name); |
| |
| #endif |
| } |
| xmlRegFreeExecCtxt(ctxt->regexp); |
| } |
| /* |
| * Verify that all attributes were Schemas-validated |
| */ |
| xmlSchemaCheckAttributes(ctxt, node); |
| if (ctxt->attr != NULL) |
| xmlSchemaFreeAttributeStates(ctxt->attr); |
| ctxt->attr = attrs; |
| ctxt->attrTop = attrTop; |
| ctxt->regexp = oldregexp; |
| ctxt->node = child; |
| ctxt->type = type; |
| return (ctxt->err); |
| } |
| |
| /** |
| * xmlSchemaValidateBasicType: |
| * @ctxt: a schema validation context |
| * @node: the top node. |
| * |
| * Validate the content of an element expected to be a basic type type |
| * |
| * Returns 0 if the element is schemas valid, a positive error code |
| * number otherwise and -1 in case of internal or API error. |
| */ |
| static int |
| xmlSchemaValidateBasicType(xmlSchemaValidCtxtPtr ctxt, xmlNodePtr node) |
| { |
| int ret; |
| xmlNodePtr child, cur; |
| xmlSchemaTypePtr type; |
| xmlChar *value; /* lexical representation */ |
| |
| child = ctxt->node; |
| type = ctxt->type; |
| |
| if ((ctxt == NULL) || (type == NULL)) { |
| xmlSchemaVErr(ctxt, node, XML_SCHEMAS_ERR_INTERNAL, |
| "Internal error: xmlSchemaValidateBasicType\n", |
| node->name, NULL); |
| return (-1); |
| } |
| /* |
| * First check the content model of the node. |
| */ |
| cur = child; |
| while (cur != NULL) { |
| switch (cur->type) { |
| case XML_TEXT_NODE: |
| case XML_CDATA_SECTION_NODE: |
| case XML_PI_NODE: |
| case XML_COMMENT_NODE: |
| case XML_XINCLUDE_START: |
| case XML_XINCLUDE_END: |
| break; |
| case XML_ENTITY_REF_NODE: |
| case XML_ENTITY_NODE: |
| TODO break; |
| case XML_ELEMENT_NODE: |
| xmlSchemaVErr(ctxt, node, XML_SCHEMAS_ERR_INVALIDELEM, |
| "Element %s: child %s should not be present\n", |
| node->name, cur->name); |
| return (ctxt->err); |
| case XML_ATTRIBUTE_NODE: |
| case XML_DOCUMENT_NODE: |
| case XML_DOCUMENT_TYPE_NODE: |
| case XML_DOCUMENT_FRAG_NODE: |
| case XML_NOTATION_NODE: |
| case XML_HTML_DOCUMENT_NODE: |
| case XML_DTD_NODE: |
| case XML_ELEMENT_DECL: |
| case XML_ATTRIBUTE_DECL: |
| case XML_ENTITY_DECL: |
| case XML_NAMESPACE_DECL: |
| #ifdef LIBXML_DOCB_ENABLED |
| case XML_DOCB_DOCUMENT_NODE: |
| #endif |
| xmlSchemaVErr(ctxt, node, XML_SCHEMAS_ERR_INVALIDELEM, |
| "Element %s: node type of node unexpected here\n", |
| node->name, NULL); |
| return (ctxt->err); |
| } |
| cur = cur->next; |
| } |
| if (child == NULL) |
| value = NULL; |
| else |
| value = xmlNodeGetContent(child->parent); |
| |
| if (ctxt->value != NULL) { |
| xmlSchemaFreeValue(ctxt->value); |
| ctxt->value = NULL; |
| } |
| ret = xmlSchemaValidatePredefinedType(type, value, &(ctxt->value)); |
| if (value != NULL) |
| xmlFree(value); |
| if (ret != 0) { |
| xmlSchemaVErr(ctxt, node, XML_SCHEMAS_ERR_VALUE, |
| "Element %s: failed to validate basic type %s\n", |
| node->name, type->name); |
| } |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaValidateComplexType: |
| * @ctxt: a schema validation context |
| * @node: the top node. |
| * |
| * Validate the content of an element expected to be a complex type type |
| * xmlschema-1.html#cvc-complex-type |
| * Validation Rule: Element Locally Valid (Complex Type) |
| * |
| * Returns 0 if the element is schemas valid, a positive error code |
| * number otherwise and -1 in case of internal or API error. |
| */ |
| static int |
| xmlSchemaValidateComplexType(xmlSchemaValidCtxtPtr ctxt, xmlNodePtr node) |
| { |
| xmlNodePtr child; |
| xmlSchemaTypePtr type, subtype; |
| int ret; |
| |
| /* TODO: Handle xsd:restriction & xsd:extension */ |
| |
| child = ctxt->node; |
| type = ctxt->type; |
| ctxt->cur = node; |
| |
| switch (type->contentType) { |
| case XML_SCHEMA_CONTENT_EMPTY: |
| if (type->baseType != NULL) { |
| } else if (child != NULL) { |
| xmlSchemaVErr(ctxt, node, XML_SCHEMAS_ERR_NOTEMPTY, |
| "Element %s is supposed to be empty\n", |
| node->name, NULL); |
| } |
| /* Removed due to changes of attribute validation: |
| if (type->attributes != NULL) { |
| xmlSchemaValidateAttributes(ctxt, node, type->attributes); |
| } |
| */ |
| subtype = type->subtypes; |
| while (subtype != NULL) { |
| ctxt->type = subtype; |
| xmlSchemaValidateComplexType(ctxt, node); |
| subtype = subtype->next; |
| } |
| break; |
| case XML_SCHEMA_CONTENT_ELEMENTS: |
| case XML_SCHEMA_CONTENT_MIXED: |
| case XML_SCHEMA_CONTENT_MIXED_OR_ELEMENTS: |
| /* |
| * Skip ignorable nodes in that context |
| */ |
| /* ComplexType, ComplexContent */ |
| if (child != NULL) { |
| child = xmlSchemaSkipIgnored(ctxt, type, child); |
| while (child != NULL) { |
| if (child->type == XML_ELEMENT_NODE) { |
| ret = xmlRegExecPushString(ctxt->regexp, |
| child->name, child); |
| #ifdef DEBUG_AUTOMATA |
| if (ret < 0) |
| xmlGenericError(xmlGenericErrorContext, |
| " --> %s Error\n", child->name); |
| else |
| xmlGenericError(xmlGenericErrorContext, |
| " --> %s\n", child->name); |
| #endif |
| } |
| child = child->next; |
| /* |
| * Skip ignorable nodes in that context |
| */ |
| child = xmlSchemaSkipIgnored(ctxt, type, child); |
| } |
| } |
| |
| if (((type->contentType == XML_SCHEMA_CONTENT_MIXED) || |
| (type->contentType == XML_SCHEMA_CONTENT_MIXED_OR_ELEMENTS)) && |
| (type->subtypes != NULL)) { |
| TODO |
| } |
| |
| /* Removed due to changes of attribute validation: |
| if (type->attributes != NULL) { |
| xmlSchemaValidateAttributes(ctxt, node, type->attributes); |
| } |
| */ |
| break; |
| case XML_SCHEMA_CONTENT_BASIC:{ |
| if (type->subtypes != NULL) { |
| ctxt->type = type->subtypes; |
| xmlSchemaValidateComplexType(ctxt, node); |
| } |
| if (type->baseType != NULL) { |
| ctxt->type = type->baseType; |
| if (type->baseType->type == XML_SCHEMA_TYPE_BASIC) |
| xmlSchemaValidateBasicType(ctxt, node); |
| else if (type->baseType->type == XML_SCHEMA_TYPE_COMPLEX) |
| xmlSchemaValidateComplexType(ctxt, node); |
| /* TODO: This might be incorrect. */ |
| else if (type->baseType->type == XML_SCHEMA_TYPE_SIMPLE) |
| xmlSchemaValidateSimpleType(ctxt, node); |
| else |
| xmlGenericError(xmlGenericErrorContext, |
| "unexpected content type of base: %d\n", |
| type->contentType); |
| } |
| /* Removed due to changes of attribute validation: |
| if (type->attributes != NULL) { |
| xmlSchemaValidateAttributes(ctxt, node, |
| type->attributes); |
| } |
| */ |
| ctxt->type = type; |
| break; |
| } |
| case XML_SCHEMA_CONTENT_SIMPLE:{ |
| if (type->subtypes != NULL) { |
| ctxt->type = type->subtypes; |
| xmlSchemaValidateComplexType(ctxt, node); |
| } |
| if (type->baseType != NULL) { |
| ctxt->type = type->baseType; |
| xmlSchemaValidateComplexType(ctxt, node); |
| } |
| /* Removed due to changes of attribute validation: |
| if (type->attributes != NULL) { |
| xmlSchemaValidateAttributes(ctxt, node, |
| type->attributes); |
| } |
| */ |
| ctxt->type = type; |
| break; |
| } |
| default: |
| TODO xmlGenericError(xmlGenericErrorContext, |
| "unimplemented content type %d\n", |
| type->contentType); |
| } |
| if (type->type == XML_SCHEMA_TYPE_COMPLEX) |
| xmlSchemaValidateAttributes(ctxt, node, type); |
| return (ctxt->err); |
| } |
| |
| /** |
| * xmlSchemaValidateContent: |
| * @ctxt: a schema validation context |
| * @elem: an element |
| * @type: the type declaration |
| * |
| * Validate the content of an element against the type. |
| * |
| * Returns 0 if the element is schemas valid, a positive error code |
| * number otherwise and -1 in case of internal or API error. |
| */ |
| static int |
| xmlSchemaValidateContent(xmlSchemaValidCtxtPtr ctxt, xmlNodePtr node) |
| { |
| xmlNodePtr child; |
| xmlSchemaTypePtr type; |
| |
| child = ctxt->node; |
| type = ctxt->type; |
| ctxt->cur = node; |
| |
| /* |
| * Removed, since redundant. |
| */ |
| /* xmlSchemaValidateAttributes(ctxt, node, type->attributes); */ |
| ctxt->cur = node; |
| |
| switch (type->type) { |
| case XML_SCHEMA_TYPE_ANY: |
| /* Any type will do it, fine */ |
| TODO /* handle recursivity */ |
| break; |
| case XML_SCHEMA_TYPE_COMPLEX: |
| xmlSchemaValidateComplexType(ctxt, node); |
| break; |
| case XML_SCHEMA_TYPE_ELEMENT:{ |
| xmlSchemaElementPtr decl = (xmlSchemaElementPtr) type; |
| |
| /* |
| * Handle element reference here |
| */ |
| if (decl->ref != NULL) { |
| if (decl->refDecl == NULL) { |
| xmlSchemaVErr(ctxt, node, XML_SCHEMAS_ERR_INTERNAL, |
| "Internal error: element reference %s " |
| "not resolved\n", decl->ref, NULL); |
| return (-1); |
| } |
| ctxt->type = (xmlSchemaTypePtr) decl->refDecl; |
| decl = decl->refDecl; |
| } |
| /* TODO: Should "xmlSchemaValidateElement" be called instead? */ |
| xmlSchemaValidateElementType(ctxt, node); |
| ctxt->type = type; |
| break; |
| } |
| case XML_SCHEMA_TYPE_BASIC: |
| xmlSchemaValidateBasicType(ctxt, node); |
| break; |
| case XML_SCHEMA_TYPE_FACET: |
| TODO break; |
| case XML_SCHEMA_TYPE_SIMPLE: |
| xmlSchemaValidateSimpleType(ctxt, node); |
| break; |
| case XML_SCHEMA_TYPE_SEQUENCE: |
| TODO break; |
| case XML_SCHEMA_TYPE_CHOICE: |
| TODO break; |
| case XML_SCHEMA_TYPE_ALL: |
| TODO break; |
| case XML_SCHEMA_TYPE_SIMPLE_CONTENT: |
| TODO break; |
| case XML_SCHEMA_TYPE_COMPLEX_CONTENT: |
| TODO break; |
| case XML_SCHEMA_TYPE_UR: |
| TODO break; |
| case XML_SCHEMA_TYPE_RESTRICTION: |
| /*xmlSchemaValidateRestrictionType(ctxt, node); */ |
| TODO break; |
| case XML_SCHEMA_TYPE_EXTENSION: |
| TODO break; |
| case XML_SCHEMA_TYPE_ATTRIBUTE: |
| TODO break; |
| case XML_SCHEMA_TYPE_GROUP: |
| TODO break; |
| case XML_SCHEMA_TYPE_NOTATION: |
| TODO break; |
| case XML_SCHEMA_TYPE_LIST: |
| TODO break; |
| case XML_SCHEMA_TYPE_UNION: |
| TODO break; |
| case XML_SCHEMA_FACET_MININCLUSIVE: |
| TODO break; |
| case XML_SCHEMA_FACET_MINEXCLUSIVE: |
| TODO break; |
| case XML_SCHEMA_FACET_MAXINCLUSIVE: |
| TODO break; |
| case XML_SCHEMA_FACET_MAXEXCLUSIVE: |
| TODO break; |
| case XML_SCHEMA_FACET_TOTALDIGITS: |
| TODO break; |
| case XML_SCHEMA_FACET_FRACTIONDIGITS: |
| TODO break; |
| case XML_SCHEMA_FACET_PATTERN: |
| TODO break; |
| case XML_SCHEMA_FACET_ENUMERATION: |
| TODO break; |
| case XML_SCHEMA_FACET_WHITESPACE: |
| TODO break; |
| case XML_SCHEMA_FACET_LENGTH: |
| TODO break; |
| case XML_SCHEMA_FACET_MAXLENGTH: |
| TODO break; |
| case XML_SCHEMA_FACET_MINLENGTH: |
| TODO break; |
| case XML_SCHEMA_TYPE_ATTRIBUTEGROUP: |
| TODO break; |
| case XML_SCHEMA_TYPE_ANY_ATTRIBUTE: |
| TODO break; |
| } |
| /* |
| * Removed, since redundant. |
| */ |
| /* xmlSchemaValidateAttributes(ctxt, node, type->attributes); */ |
| |
| if (ctxt->node == NULL) |
| return (ctxt->err); |
| ctxt->node = ctxt->node->next; |
| ctxt->type = type->next; |
| return (ctxt->err); |
| } |
| |
| /** |
| * xmlSchemaValidateType: |
| * @ctxt: a schema validation context |
| * @elem: an element |
| * @type: the list of type declarations |
| * |
| * Validate the content of an element against the types. |
| * |
| * Returns 0 if the element is schemas valid, a positive error code |
| * number otherwise and -1 in case of internal or API error. |
| */ |
| static int |
| xmlSchemaValidateType(xmlSchemaValidCtxtPtr ctxt, xmlNodePtr elem, |
| xmlSchemaElementPtr elemDecl, xmlSchemaTypePtr type) |
| { |
| xmlChar *nil; |
| |
| if ((elem == NULL) || (type == NULL) || (elemDecl == NULL)) |
| return (0); |
| |
| /* This one is called by "xmlSchemaValidateElementType" and |
| * "xmlSchemaValidateElement". |
| */ |
| |
| /* |
| * 3.3.4 : 2 |
| */ |
| if (elemDecl->flags & XML_SCHEMAS_ELEM_ABSTRACT) { |
| xmlSchemaVErr(ctxt, elem, XML_SCHEMAS_ERR_ISABSTRACT, |
| "Element declaration %s is abstract\n", |
| elemDecl->name, NULL); |
| /* Changed, since the element declaration is abstract and not |
| * the element itself. */ |
| /* xmlSchemaVErr(ctxt, elem, XML_SCHEMAS_ERR_ISABSTRACT, |
| "Element %s is abstract\n", elem->name, NULL); */ |
| return (ctxt->err); |
| } |
| /* |
| * 3.3.4: 3 |
| */ |
| nil = xmlGetNsProp(elem, BAD_CAST "nil", xmlSchemaInstanceNs); |
| if (elemDecl->flags & XML_SCHEMAS_ELEM_NILLABLE) { |
| /* 3.3.4: 3.2 */ |
| if (xmlStrEqual(nil, BAD_CAST "true")) { |
| if (elem->children != NULL) { |
| xmlSchemaVErr(ctxt, elem, XML_SCHEMAS_ERR_NOTEMPTY, |
| "Element %s is not empty\n", elem->name, NULL); |
| return (ctxt->err); |
| } |
| if ((elemDecl->flags & XML_SCHEMAS_ELEM_FIXED) && |
| (elemDecl->value != NULL)) { |
| xmlSchemaVErr(ctxt, elem, XML_SCHEMAS_ERR_HAVEDEFAULT, |
| "Empty element %s cannot get a fixed value\n", |
| elem->name, NULL); |
| return (ctxt->err); |
| } |
| } |
| } else { |
| /* 3.3.4: 3.1 */ |
| if (nil != NULL) { |
| xmlSchemaVErr(ctxt, elem, XML_SCHEMAS_ERR_NOTNILLABLE, |
| "Element %s with xs:nil but not nillable\n", |
| elem->name, NULL); |
| xmlFree(nil); |
| return (ctxt->err); |
| } |
| } |
| |
| /* TODO 3.3.4: 4 if the element carries xs:type */ |
| |
| ctxt->type = elemDecl->subtypes; |
| ctxt->node = elem->children; |
| xmlSchemaValidateContent(ctxt, elem); |
| /* Removed, since an element declaration does not hold any attribute |
| * declarations */ |
| /* xmlSchemaValidateAttributes(ctxt, elem, elemDecl->attributes); */ |
| |
| return (ctxt->err); |
| } |
| |
| |
| /** |
| * xmlSchemaValidateAttributes: |
| * @ctxt: a schema validation context |
| * @elem: an element |
| * @type: the complexType holding the attribute uses |
| * |
| * Validate the attributes of an element. |
| * |
| * Returns 0 if the element is schemas valid, a positive error code |
| * number otherwise and -1 in case of internal or API error. |
| */ |
| static int |
| xmlSchemaValidateAttributes(xmlSchemaValidCtxtPtr ctxt, xmlNodePtr elem, xmlSchemaTypePtr type) |
| { |
| int ret; |
| xmlAttrPtr attr; /* An attribute on the element. */ |
| xmlChar *value; |
| const xmlChar *nsURI; |
| xmlSchemaAttributeLinkPtr attrUse; |
| xmlSchemaAttributePtr attrDecl; |
| int found; |
| xmlSchemaAttrStatePtr curState, reqAttrStates = NULL, reqAttrStatesTop = NULL; |
| #ifdef DEBUG_ATTR_VALIDATION |
| int redundant = 0; |
| #endif |
| if (type->type != XML_SCHEMA_TYPE_COMPLEX) { |
| xmlSchemaVErr(ctxt, elem, XML_SCHEMAS_ERR_INTERNAL, |
| "Internal error: xmlSchemaValidateAttributes: " |
| "given type \"%s\"is not a complexType\n", |
| type->name, NULL); |
| return(-1); |
| } |
| |
| if ((type->attributeUses == NULL) && (type->attributeWildcard == NULL)) |
| return (0); |
| |
| attrUse = type->attributeUses; |
| |
| while (attrUse != NULL) { |
| found = 0; |
| attrDecl = attrUse->attr; |
| #ifdef DEBUG_ATTR_VALIDATION |
| printf("attr use - name: %s\n", xmlSchemaGetOnymousAttrName(attrDecl)); |
| printf("attr use - use: %d\n", attrDecl->occurs); |
| #endif |
| for (curState = ctxt->attr; curState != NULL; curState = curState->next) { |
| |
| if (curState->decl == attrUse->attr) { |
| #ifdef DEBUG_ATTR_VALIDATION |
| redundant = 1; |
| #endif |
| } |
| attr = curState->attr; |
| #ifdef DEBUG_ATTR_VALIDATION |
| printf("attr - name: %s\n", attr->name); |
| if (attr->ns != NULL) |
| printf("attr - ns: %s\n", attr->ns->href); |
| else |
| printf("attr - ns: none\n"); |
| #endif |
| /* TODO: Can this ever happen? */ |
| if (attr == NULL) |
| continue; |
| if (attrDecl->ref != NULL) { |
| if (!xmlStrEqual(attr->name, attrDecl->ref)) |
| continue; |
| if (attr->ns != NULL) { |
| if ((attrDecl->refNs == NULL) || |
| (!xmlStrEqual(attr->ns->href, attrDecl->refNs))) |
| continue; |
| } else if (attrDecl->refNs != NULL) { |
| continue; |
| } |
| } else { |
| if (!xmlStrEqual(attr->name, attrDecl->name)) |
| continue; |
| /* |
| * handle the namespaces checks here |
| */ |
| if (attr->ns == NULL) { |
| /* |
| * accept an unqualified attribute only if the target |
| * namespace of the declaration is absent. |
| */ |
| if (attrDecl->targetNamespace != NULL) |
| /* |
| * This check was removed, since the target namespace |
| * was evaluated during parsing and already took |
| * "attributeFormDefault" into account. |
| */ |
| /* ((attributes->flags & XML_SCHEMAS_ATTR_NSDEFAULT) == 0)) */ |
| continue; |
| } else { |
| if (attrDecl->targetNamespace == NULL) |
| continue; |
| if (!xmlStrEqual(attrDecl->targetNamespace, |
| attr->ns->href)) |
| continue; |
| } |
| } |
| #ifdef DEBUG_ATTR_VALIDATION |
| printf("found\n"); |
| #endif |
| found = 1; |
| ctxt->cur = (xmlNodePtr) attr; |
| |
| if (attrDecl->subtypes == NULL) { |
| curState->state = XML_SCHEMAS_ATTR_TYPE_NOT_RESOLVED; |
| curState->decl = attrDecl; |
| /* |
| * This could be put into "xmlSchemaCheckAttributes" as well, but |
| * since it reports an internal error, it better stays here to ease |
| * debugging. |
| */ |
| xmlSchemaVErr(ctxt, (xmlNodePtr) attr, XML_SCHEMAS_ERR_INTERNAL, |
| "Internal error: attribute %s type not resolved\n", |
| attr->name, NULL); |
| continue; |
| } |
| value = xmlNodeListGetString(elem->doc, attr->children, 1); |
| ret = xmlSchemaValidateSimpleValue(ctxt, attrDecl->subtypes, |
| value); |
| if (ret != 0) |
| curState->state = XML_SCHEMAS_ATTR_INVALID_VALUE; |
| else |
| curState->state = XML_SCHEMAS_ATTR_CHECKED; |
| curState->decl = attrDecl; |
| if (value != NULL) { |
| xmlFree(value); |
| } |
| } |
| if ((!found) && (attrDecl->occurs == XML_SCHEMAS_ATTR_USE_REQUIRED)) { |
| xmlSchemaAttrStatePtr tmp; |
| |
| #ifdef DEBUG_ATTR_VALIDATION |
| printf("required attr not found\n"); |
| #endif |
| /* |
| * Add a new dummy attribute state. |
| */ |
| tmp = (xmlSchemaAttrStatePtr) xmlMalloc(sizeof(xmlSchemaAttrState)); |
| if (tmp == NULL) { |
| xmlSchemaVErrMemory(ctxt, "registering required attributes", NULL); |
| return (-1); |
| } |
| tmp->attr = NULL; |
| tmp->state = XML_SCHEMAS_ATTR_MISSING; |
| tmp->decl = attrDecl; |
| tmp->next = NULL; |
| |
| if (reqAttrStates == NULL) { |
| reqAttrStates = tmp; |
| reqAttrStatesTop = tmp; |
| } else { |
| reqAttrStatesTop->next = tmp; |
| reqAttrStatesTop = tmp; |
| } |
| |
| } |
| attrUse = attrUse->next; |
| } |
| /* |
| * Add required attributes to the attribute states of the context. |
| */ |
| if (reqAttrStates != NULL) { |
| if (ctxt->attr == NULL) { |
| ctxt->attr = reqAttrStates; |
| } else { |
| ctxt->attrTop->next = reqAttrStates; |
| } |
| ctxt->attrTop = reqAttrStatesTop; |
| } |
| /* |
| * Process wildcards. |
| */ |
| if (type->attributeWildcard != NULL) { |
| #ifdef DEBUG_ATTR_VALIDATION |
| xmlSchemaWildcardNsPtr ns; |
| printf("matching wildcard: [%d] of complexType: %s\n", type->attributeWildcard, type->name); |
| if (type->attributeWildcard->processContents == |
| XML_SCHEMAS_ANY_LAX) |
| printf("processContents: lax\n"); |
| else if (type->attributeWildcard->processContents == |
| XML_SCHEMAS_ANY_STRICT) |
| printf("processContents: strict\n"); |
| else |
| printf("processContents: skip\n"); |
| if (type->attributeWildcard->any) |
| printf("type: any\n"); |
| else if (type->attributeWildcard->negNsSet != NULL) { |
| printf("type: negated\n"); |
| if (type->attributeWildcard->negNsSet->value == NULL) |
| printf("ns: (absent)\n"); |
| else |
| printf("ns: %s\n", type->attributeWildcard->negNsSet->value); |
| } else if (type->attributeWildcard->nsSet != NULL) { |
| printf("type: set\n"); |
| ns = type->attributeWildcard->nsSet; |
| while (ns != NULL) { |
| if (ns->value == NULL) |
| printf("ns: (absent)\n"); |
| else |
| printf("ns: %s\n", ns->value); |
| ns = ns->next; |
| } |
| } else |
| printf("empty\n"); |
| |
| |
| #endif |
| curState = ctxt->attr; |
| while (curState != NULL) { |
| if (curState->state == XML_SCHEMAS_ATTR_UNKNOWN) { |
| if (curState->attr->ns != NULL) |
| nsURI = curState->attr->ns->href; |
| else |
| nsURI = NULL; |
| if (xmlSchemaMatchesWildcardNs(type->attributeWildcard, |
| nsURI)) { |
| /* |
| * Handle processContents. |
| */ |
| if ((type->attributeWildcard->processContents == |
| XML_SCHEMAS_ANY_LAX) || |
| (type->attributeWildcard->processContents == |
| XML_SCHEMAS_ANY_STRICT)) { |
| |
| attr = curState->attr; |
| attrDecl = xmlSchemaGetAttribute(ctxt->schema, |
| attr->name, nsURI); |
| if (attrDecl != NULL) { |
| value = xmlNodeListGetString(elem->doc, attr->children, 1); |
| ret = xmlSchemaValidateSimpleValue(ctxt, attrDecl->subtypes, |
| value); |
| if (ret != 0) |
| curState->state = XML_SCHEMAS_ATTR_INVALID_VALUE; |
| else |
| curState->state = XML_SCHEMAS_ATTR_CHECKED; |
| curState->decl = attrDecl; |
| if (value != NULL) { |
| xmlFree(value); |
| } |
| |
| } else if (type->attributeWildcard->processContents == |
| XML_SCHEMAS_ANY_LAX) { |
| curState->state = XML_SCHEMAS_ATTR_CHECKED; |
| } |
| } else |
| curState->state = XML_SCHEMAS_ATTR_CHECKED; |
| } |
| } |
| curState = curState->next; |
| } |
| } |
| #ifdef DEBUG_ATTR_VALIDATION |
| if (redundant) |
| xmlGenericError(xmlGenericErrorContext, |
| "xmlSchemaValidateAttributes: redundant call by type: %s\n", |
| type->name); |
| #endif |
| return (ctxt->err); |
| } |
| |
| /** |
| * xmlSchemaValidateElement: |
| * @ctxt: a schema validation context |
| * @elem: an element |
| * |
| * Validate an element in a tree |
| * |
| * Returns 0 if the element is schemas valid, a positive error code |
| * number otherwise and -1 in case of internal or API error. |
| */ |
| static int |
| xmlSchemaValidateElement(xmlSchemaValidCtxtPtr ctxt, xmlNodePtr elem) |
| { |
| xmlSchemaElementPtr elemDecl; |
| int ret; |
| xmlSchemaAttrStatePtr attrs, attrTop; |
| |
| if (elem->ns != NULL) { |
| elemDecl = xmlHashLookup3(ctxt->schema->elemDecl, |
| elem->name, elem->ns->href, NULL); |
| } else { |
| elemDecl = xmlHashLookup3(ctxt->schema->elemDecl, |
| elem->name, NULL, NULL); |
| } |
| /* |
| * special case whe elementFormDefault is unqualified for top-level elem. |
| */ |
| /* |
| * This was removed, since elementFormDefault does not apply to top-level |
| * element declarations. |
| */ |
| /* |
| if ((elemDecl == NULL) && (elem->ns != NULL) && |
| (elem->parent != NULL) && (elem->parent->type != XML_ELEMENT_NODE) && |
| (xmlStrEqual(ctxt->schema->targetNamespace, elem->ns->href)) && |
| ((ctxt->schema->flags & XML_SCHEMAS_QUALIF_ELEM) == 0)) { |
| elemDecl = xmlHashLookup3(ctxt->schema->elemDecl, |
| elem->name, NULL, NULL); |
| } |
| */ |
| |
| /* |
| * 3.3.4 : 1 |
| */ |
| if (elemDecl == NULL) { |
| xmlSchemaVErr(ctxt, elem, XML_SCHEMAS_ERR_UNDECLAREDELEM, |
| "Element %s not declared\n", elem->name, NULL); |
| return (ctxt->err); |
| } |
| if (elemDecl->subtypes == NULL) { |
| xmlSchemaVErr(ctxt, elem, XML_SCHEMAS_ERR_NOTYPE, |
| "Element %s has no type\n", elem->name, NULL); |
| return (ctxt->err); |
| } |
| /* |
| * Verify the attributes |
| */ |
| attrs = ctxt->attr; |
| attrTop = ctxt->attrTop; |
| xmlSchemaRegisterAttributes(ctxt, elem->properties); |
| /* |
| * Verify the element content recursively |
| */ |
| if (elemDecl->contModel != NULL) { |
| ctxt->regexp = xmlRegNewExecCtxt(elemDecl->contModel, |
| (xmlRegExecCallbacks) |
| xmlSchemaValidateCallback, ctxt); |
| #ifdef DEBUG_AUTOMATA |
| xmlGenericError(xmlGenericErrorContext, "====> %s\n", elem->name); |
| #endif |
| } |
| xmlSchemaValidateType(ctxt, elem, elemDecl, elemDecl->subtypes); |
| if (elemDecl->contModel != NULL) { |
| ret = xmlRegExecPushString(ctxt->regexp, NULL, NULL); |
| #ifdef DEBUG_AUTOMATA |
| xmlGenericError(xmlGenericErrorContext, |
| "====> %s : %d\n", elem->name, ret); |
| #endif |
| if (ret == 0) { |
| xmlSchemaVErr(ctxt, elem, XML_SCHEMAS_ERR_ELEMCONT, |
| "Element %s content check failed\n", |
| elem->name, NULL); |
| } else if (ret < 0) { |
| xmlSchemaVErr(ctxt, elem, XML_SCHEMAS_ERR_ELEMCONT, |
| "Element %s content check failed\n", |
| elem->name, NULL); |
| #ifdef DEBUG_CONTENT |
| } else { |
| xmlGenericError(xmlGenericErrorContext, |
| "Element %s content check succeeded\n", |
| elem->name); |
| |
| #endif |
| } |
| xmlRegFreeExecCtxt(ctxt->regexp); |
| } |
| /* |
| * Verify that all attributes were Schemas-validated |
| */ |
| xmlSchemaCheckAttributes(ctxt, elem); |
| if (ctxt->attr != NULL) |
| xmlSchemaFreeAttributeStates(ctxt->attr); |
| ctxt->attr = attrs; |
| ctxt->attrTop = attrTop; |
| |
| return (ctxt->err); |
| } |
| |
| /** |
| * xmlSchemaValidateDocument: |
| * @ctxt: a schema validation context |
| * @doc: a parsed document tree |
| * |
| * Validate a document tree in memory. |
| * |
| * Returns 0 if the document is schemas valid, a positive error code |
| * number otherwise and -1 in case of internal or API error. |
| */ |
| static int |
| xmlSchemaValidateDocument(xmlSchemaValidCtxtPtr ctxt, xmlDocPtr doc) |
| { |
| xmlNodePtr root; |
| xmlSchemaElementPtr elemDecl; |
| |
| root = xmlDocGetRootElement(doc); |
| if (root == NULL) { |
| xmlSchemaVErr(ctxt, (xmlNodePtr) doc, XML_SCHEMAS_ERR_NOROOT, |
| "document has no root\n", NULL, NULL); |
| return (ctxt->err); |
| } |
| |
| if (root->ns != NULL) |
| elemDecl = xmlHashLookup3(ctxt->schema->elemDecl, |
| root->name, root->ns->href, NULL); |
| else |
| elemDecl = xmlHashLookup3(ctxt->schema->elemDecl, |
| root->name, NULL, NULL); |
| |
| /* |
| * special case whe elementFormDefault is unqualified for top-level elem. |
| */ |
| /* Removed, since elementFormDefault does not apply to top level |
| * elements */ |
| /* |
| if ((elemDecl == NULL) && (root->ns != NULL) && |
| (xmlStrEqual(ctxt->schema->targetNamespace, root->ns->href)) && |
| ((ctxt->schema->flags & XML_SCHEMAS_QUALIF_ELEM) == 0)) { |
| elemDecl = xmlHashLookup3(ctxt->schema->elemDecl, |
| root->name, NULL, NULL); |
| } |
| */ |
| |
| if (elemDecl == NULL) { |
| xmlSchemaVErr(ctxt, root, XML_SCHEMAS_ERR_UNDECLAREDELEM, |
| "Element %s not declared\n", root->name, NULL); |
| } else if ((elemDecl->flags & XML_SCHEMAS_ELEM_GLOBAL) == 0) { |
| xmlSchemaVErr(ctxt, root, XML_SCHEMAS_ERR_NOTTOPLEVEL, |
| "Root element %s not global\n", root->name, NULL); |
| } |
| /* |
| * Okay, start the recursive validation |
| */ |
| xmlSchemaValidateElement(ctxt, root); |
| |
| return (ctxt->err); |
| } |
| |
| /************************************************************************ |
| * * |
| * SAX Validation code * |
| * * |
| ************************************************************************/ |
| |
| /************************************************************************ |
| * * |
| * Validation interfaces * |
| * * |
| ************************************************************************/ |
| |
| /** |
| * xmlSchemaNewValidCtxt: |
| * @schema: a precompiled XML Schemas |
| * |
| * Create an XML Schemas validation context based on the given schema |
| * |
| * Returns the validation context or NULL in case of error |
| */ |
| xmlSchemaValidCtxtPtr |
| xmlSchemaNewValidCtxt(xmlSchemaPtr schema) |
| { |
| xmlSchemaValidCtxtPtr ret; |
| |
| ret = (xmlSchemaValidCtxtPtr) xmlMalloc(sizeof(xmlSchemaValidCtxt)); |
| if (ret == NULL) { |
| xmlSchemaVErrMemory(NULL, "allocating validation context", NULL); |
| return (NULL); |
| } |
| memset(ret, 0, sizeof(xmlSchemaValidCtxt)); |
| ret->schema = schema; |
| /* |
| * Removed due to changes of the attribute state list. |
| */ |
| /* ret->attrNr = 0; */ |
| /* ret->attrMax = 10; */ |
| /* ret->attrBase = NULL; */ |
| ret->attrTop = NULL; |
| ret->attr = NULL; |
| /* |
| * Removed due to changes of the attribute state list. |
| * |
| ret->attr = (xmlSchemaAttrStatePtr) xmlMalloc(ret->attrMax * |
| sizeof |
| (xmlSchemaAttrState)); |
| if (ret->attr == NULL) { |
| xmlSchemaVErrMemory(NULL, "allocating validation context", NULL); |
| free(ret); |
| return (NULL); |
| } |
| memset(ret->attr, 0, ret->attrMax * sizeof(xmlSchemaAttrState)); |
| */ |
| |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaFreeValidCtxt: |
| * @ctxt: the schema validation context |
| * |
| * Free the resources associated to the schema validation context |
| */ |
| void |
| xmlSchemaFreeValidCtxt(xmlSchemaValidCtxtPtr ctxt) |
| { |
| if (ctxt == NULL) |
| return; |
| if (ctxt->attr != NULL) |
| xmlSchemaFreeAttributeStates(ctxt->attr); |
| if (ctxt->value != NULL) |
| xmlSchemaFreeValue(ctxt->value); |
| xmlFree(ctxt); |
| } |
| |
| /** |
| * xmlSchemaSetValidErrors: |
| * @ctxt: a schema validation context |
| * @err: the error function |
| * @warn: the warning function |
| * @ctx: the functions context |
| * |
| * Set the error and warning callback informations |
| */ |
| void |
| xmlSchemaSetValidErrors(xmlSchemaValidCtxtPtr ctxt, |
| xmlSchemaValidityErrorFunc err, |
| xmlSchemaValidityWarningFunc warn, void *ctx) |
| { |
| if (ctxt == NULL) |
| return; |
| ctxt->error = err; |
| ctxt->warning = warn; |
| ctxt->userData = ctx; |
| } |
| |
| /** |
| * xmlSchemaValidateDoc: |
| * @ctxt: a schema validation context |
| * @doc: a parsed document tree |
| * |
| * Validate a document tree in memory. |
| * |
| * Returns 0 if the document is schemas valid, a positive error code |
| * number otherwise and -1 in case of internal or API error. |
| */ |
| int |
| xmlSchemaValidateDoc(xmlSchemaValidCtxtPtr ctxt, xmlDocPtr doc) |
| { |
| int ret; |
| |
| if ((ctxt == NULL) || (doc == NULL)) |
| return (-1); |
| |
| ctxt->doc = doc; |
| ret = xmlSchemaValidateDocument(ctxt, doc); |
| return (ret); |
| } |
| |
| /** |
| * xmlSchemaValidateStream: |
| * @ctxt: a schema validation context |
| * @input: the input to use for reading the data |
| * @enc: an optional encoding information |
| * @sax: a SAX handler for the resulting events |
| * @user_data: the context to provide to the SAX handler. |
| * |
| * Validate a document tree in memory. |
| * |
| * Returns 0 if the document is schemas valid, a positive error code |
| * number otherwise and -1 in case of internal or API error. |
| */ |
| int |
| xmlSchemaValidateStream(xmlSchemaValidCtxtPtr ctxt, |
| xmlParserInputBufferPtr input, xmlCharEncoding enc, |
| xmlSAXHandlerPtr sax, void *user_data) |
| { |
| if ((ctxt == NULL) || (input == NULL)) |
| return (-1); |
| ctxt->input = input; |
| ctxt->enc = enc; |
| ctxt->sax = sax; |
| ctxt->user_data = user_data; |
| TODO return (0); |
| } |
| |
| #endif /* LIBXML_SCHEMAS_ENABLED */ |