Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1 | /* |
| 2 | * relaxng.c : implementation of the Relax-NG handling and validity checking |
| 3 | * |
| 4 | * See Copyright for the status of this software. |
| 5 | * |
| 6 | * Daniel Veillard <veillard@redhat.com> |
| 7 | */ |
| 8 | |
| 9 | #define IN_LIBXML |
| 10 | #include "libxml.h" |
| 11 | |
| 12 | #ifdef LIBXML_SCHEMAS_ENABLED |
| 13 | |
| 14 | #include <string.h> |
| 15 | #include <stdio.h> |
| 16 | #include <libxml/xmlmemory.h> |
| 17 | #include <libxml/parser.h> |
| 18 | #include <libxml/parserInternals.h> |
| 19 | #include <libxml/hash.h> |
| 20 | #include <libxml/uri.h> |
| 21 | |
| 22 | #include <libxml/relaxng.h> |
| 23 | |
| 24 | #include <libxml/xmlschemastypes.h> |
| 25 | #include <libxml/xmlautomata.h> |
| 26 | #include <libxml/xmlregexp.h> |
| 27 | |
| 28 | /* |
| 29 | * The Relax-NG namespace |
| 30 | */ |
| 31 | static const xmlChar *xmlRelaxNGNs = (const xmlChar *) |
| 32 | "http://relaxng.org/ns/structure/1.0"; |
| 33 | |
| 34 | #define IS_RELAXNG(node, type) \ |
| 35 | ((node != NULL) && (node->ns != NULL) && \ |
| 36 | (xmlStrEqual(node->name, (const xmlChar *) type)) && \ |
| 37 | (xmlStrEqual(node->ns->href, xmlRelaxNGNs))) |
| 38 | |
| 39 | |
| 40 | #define DEBUG 1 /* very verbose output */ |
| 41 | #define DEBUG_CONTENT 1 |
| 42 | #define DEBUG_TYPE 1 |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 43 | #define DEBUG_VALID 1 |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 44 | |
| 45 | #define UNBOUNDED (1 << 30) |
| 46 | #define TODO \ |
| 47 | xmlGenericError(xmlGenericErrorContext, \ |
| 48 | "Unimplemented block at %s:%d\n", \ |
| 49 | __FILE__, __LINE__); |
| 50 | |
| 51 | typedef struct _xmlRelaxNGSchema xmlRelaxNGSchema; |
| 52 | typedef xmlRelaxNGSchema *xmlRelaxNGSchemaPtr; |
| 53 | |
| 54 | typedef struct _xmlRelaxNGDefine xmlRelaxNGDefine; |
| 55 | typedef xmlRelaxNGDefine *xmlRelaxNGDefinePtr; |
| 56 | |
| 57 | typedef enum { |
| 58 | XML_RELAXNG_COMBINE_UNDEFINED = 0, /* undefined */ |
| 59 | XML_RELAXNG_COMBINE_CHOICE, /* choice */ |
| 60 | XML_RELAXNG_COMBINE_INTERLEAVE /* interleave */ |
| 61 | } xmlRelaxNGCombine; |
| 62 | |
| 63 | typedef struct _xmlRelaxNGGrammar xmlRelaxNGGrammar; |
| 64 | typedef xmlRelaxNGGrammar *xmlRelaxNGGrammarPtr; |
| 65 | |
| 66 | struct _xmlRelaxNGGrammar { |
| 67 | xmlRelaxNGGrammarPtr parent;/* the parent grammar if any */ |
| 68 | xmlRelaxNGGrammarPtr children;/* the children grammar if any */ |
| 69 | xmlRelaxNGGrammarPtr next; /* the next grammar if any */ |
| 70 | xmlRelaxNGDefinePtr start; /* <start> content */ |
| 71 | xmlRelaxNGCombine combine; /* the default combine value */ |
| 72 | xmlHashTablePtr defs; /* define* */ |
| 73 | xmlHashTablePtr refs; /* references */ |
| 74 | }; |
| 75 | |
| 76 | |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 77 | typedef enum { |
| 78 | XML_RELAXNG_EMPTY = 0, /* an empty pattern */ |
| 79 | XML_RELAXNG_NOT_ALLOWED, /* not allowed top */ |
| 80 | XML_RELAXNG_TEXT, /* textual content */ |
| 81 | XML_RELAXNG_ELEMENT, /* an element */ |
| 82 | XML_RELAXNG_DATATYPE, /* extenal data type definition */ |
| 83 | XML_RELAXNG_VALUE, /* value from an extenal data type definition */ |
| 84 | XML_RELAXNG_LIST, /* a list of patterns */ |
| 85 | XML_RELAXNG_ATTRIBUTE, /* an attrbute following a pattern */ |
| 86 | XML_RELAXNG_DEF, /* a definition */ |
| 87 | XML_RELAXNG_REF, /* reference to a definition */ |
| 88 | XML_RELAXNG_OPTIONAL, /* optional patterns */ |
| 89 | XML_RELAXNG_ZEROORMORE, /* zero or more non empty patterns */ |
| 90 | XML_RELAXNG_ONEORMORE, /* one or more non empty patterns */ |
| 91 | XML_RELAXNG_CHOICE, /* a choice between non empty patterns */ |
| 92 | XML_RELAXNG_GROUP, /* a pair/group of non empty patterns */ |
| 93 | XML_RELAXNG_INTERLEAVE /* interleaving choice of non-empty patterns */ |
| 94 | } xmlRelaxNGType; |
| 95 | |
| 96 | struct _xmlRelaxNGDefine { |
| 97 | xmlRelaxNGType type; /* the type of definition */ |
| 98 | xmlNodePtr node; /* the node in the source */ |
| 99 | xmlChar *name; /* the element local name if present */ |
| 100 | xmlChar *ns; /* the namespace local name if present */ |
Daniel Veillard | dd1655c | 2003-01-25 18:01:32 +0000 | [diff] [blame^] | 101 | void *data; /* data lib or specific pointer */ |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 102 | xmlRelaxNGDefinePtr content;/* the expected content */ |
| 103 | xmlRelaxNGDefinePtr next; /* list within grouping sequences */ |
| 104 | xmlRelaxNGDefinePtr attrs; /* list of attributes for elements */ |
| 105 | xmlRelaxNGDefinePtr nextHash;/* next define in defs/refs hash tables */ |
| 106 | }; |
| 107 | |
| 108 | /** |
| 109 | * _xmlRelaxNG: |
| 110 | * |
| 111 | * A RelaxNGs definition |
| 112 | */ |
| 113 | struct _xmlRelaxNG { |
| 114 | xmlRelaxNGGrammarPtr topgrammar; |
| 115 | xmlDocPtr doc; |
| 116 | |
| 117 | xmlHashTablePtr defs; /* define */ |
| 118 | xmlHashTablePtr refs; /* references */ |
| 119 | void *_private; /* unused by the library for users or bindings */ |
| 120 | }; |
| 121 | |
| 122 | typedef enum { |
| 123 | XML_RELAXNG_ERR_OK = 0, |
| 124 | XML_RELAXNG_ERR_NOROOT = 1, |
| 125 | XML_RELAXNG_ERR_ |
| 126 | } xmlRelaxNGValidError; |
| 127 | |
| 128 | #define XML_RELAXNG_IN_ATTRIBUTE 1 |
| 129 | |
| 130 | struct _xmlRelaxNGParserCtxt { |
| 131 | void *userData; /* user specific data block */ |
| 132 | xmlRelaxNGValidityErrorFunc error; /* the callback in case of errors */ |
| 133 | xmlRelaxNGValidityWarningFunc warning;/* the callback in case of warning */ |
| 134 | xmlRelaxNGValidError err; |
| 135 | |
| 136 | xmlRelaxNGPtr schema; /* The schema in use */ |
| 137 | xmlRelaxNGGrammarPtr grammar; /* the current grammar */ |
| 138 | int flags; /* parser flags */ |
| 139 | int nbErrors; /* number of errors at parse time */ |
| 140 | int nbWarnings; /* number of warnings at parse time */ |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 141 | const xmlChar *define; /* the current define scope */ |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 142 | |
| 143 | xmlChar *URL; |
| 144 | xmlDocPtr doc; |
| 145 | |
| 146 | const char *buffer; |
| 147 | int size; |
| 148 | |
| 149 | /* |
| 150 | * Used to build complex element content models |
| 151 | */ |
| 152 | xmlAutomataPtr am; |
| 153 | xmlAutomataStatePtr start; |
| 154 | xmlAutomataStatePtr end; |
| 155 | xmlAutomataStatePtr state; |
| 156 | }; |
| 157 | |
| 158 | #define FLAGS_IGNORABLE 1 |
| 159 | #define FLAGS_NEGATIVE 2 |
| 160 | |
| 161 | /** |
| 162 | * xmlRelaxNGValidState: |
| 163 | * |
| 164 | * A RelaxNGs validation state |
| 165 | */ |
| 166 | #define MAX_ATTR 20 |
| 167 | typedef struct _xmlRelaxNGValidState xmlRelaxNGValidState; |
| 168 | typedef xmlRelaxNGValidState *xmlRelaxNGValidStatePtr; |
| 169 | struct _xmlRelaxNGValidState { |
| 170 | xmlNodePtr node; /* the current node */ |
| 171 | xmlNodePtr seq; /* the sequence of children left to validate */ |
| 172 | int nbAttrs; /* the number of attributes */ |
| 173 | xmlChar *value; /* the value when operating on string */ |
| 174 | xmlAttrPtr attrs[1]; /* the array of attributes */ |
| 175 | }; |
| 176 | |
| 177 | /** |
| 178 | * xmlRelaxNGValidCtxt: |
| 179 | * |
| 180 | * A RelaxNGs validation context |
| 181 | */ |
| 182 | |
| 183 | struct _xmlRelaxNGValidCtxt { |
| 184 | void *userData; /* user specific data block */ |
| 185 | xmlRelaxNGValidityErrorFunc error; /* the callback in case of errors */ |
| 186 | xmlRelaxNGValidityWarningFunc warning;/* the callback in case of warning */ |
| 187 | |
| 188 | xmlRelaxNGPtr schema; /* The schema in use */ |
| 189 | xmlDocPtr doc; /* the document being validated */ |
| 190 | xmlRelaxNGValidStatePtr state; /* the current validation state */ |
| 191 | int flags; /* validation flags */ |
| 192 | }; |
| 193 | |
| 194 | /************************************************************************ |
| 195 | * * |
Daniel Veillard | dd1655c | 2003-01-25 18:01:32 +0000 | [diff] [blame^] | 196 | * Preliminary type checking interfaces * |
| 197 | * * |
| 198 | ************************************************************************/ |
| 199 | /** |
| 200 | * xmlRelaxNGTypeHave: |
| 201 | * @data: data needed for the library |
| 202 | * @type: the type name |
| 203 | * @value: the value to check |
| 204 | * |
| 205 | * Function provided by a type library to check if a type is exported |
| 206 | * |
| 207 | * Returns 1 if yes, 0 if no and -1 in case of error. |
| 208 | */ |
| 209 | typedef int (*xmlRelaxNGTypeHave) (void *data, const xmlChar *type); |
| 210 | |
| 211 | /** |
| 212 | * xmlRelaxNGTypeCheck: |
| 213 | * @data: data needed for the library |
| 214 | * @type: the type name |
| 215 | * @value: the value to check |
| 216 | * |
| 217 | * Function provided by a type library to check if a value match a type |
| 218 | * |
| 219 | * Returns 1 if yes, 0 if no and -1 in case of error. |
| 220 | */ |
| 221 | typedef int (*xmlRelaxNGTypeCheck) (void *data, const xmlChar *type, |
| 222 | const xmlChar *value); |
| 223 | |
| 224 | /** |
| 225 | * xmlRelaxNGTypeCompare: |
| 226 | * @data: data needed for the library |
| 227 | * @type: the type name |
| 228 | * @value1: the first value |
| 229 | * @value2: the second value |
| 230 | * |
| 231 | * Function provided by a type library to compare two values accordingly |
| 232 | * to a type. |
| 233 | * |
| 234 | * Returns 1 if yes, 0 if no and -1 in case of error. |
| 235 | */ |
| 236 | typedef int (*xmlRelaxNGTypeCompare) (void *data, const xmlChar *type, |
| 237 | const xmlChar *value1, |
| 238 | const xmlChar *value2); |
| 239 | typedef struct _xmlRelaxNGTypeLibrary xmlRelaxNGTypeLibrary; |
| 240 | typedef xmlRelaxNGTypeLibrary *xmlRelaxNGTypeLibraryPtr; |
| 241 | struct _xmlRelaxNGTypeLibrary { |
| 242 | const xmlChar *namespace; /* the datatypeLibrary value */ |
| 243 | void *data; /* data needed for the library */ |
| 244 | xmlRelaxNGTypeHave have; /* the export function */ |
| 245 | xmlRelaxNGTypeCheck check; /* the checking function */ |
| 246 | xmlRelaxNGTypeCompare comp; /* the compare function */ |
| 247 | }; |
| 248 | |
| 249 | /************************************************************************ |
| 250 | * * |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 251 | * Allocation functions * |
| 252 | * * |
| 253 | ************************************************************************/ |
| 254 | static void xmlRelaxNGFreeDefineList(xmlRelaxNGDefinePtr defines); |
| 255 | static void xmlRelaxNGFreeGrammar(xmlRelaxNGGrammarPtr grammar); |
| 256 | static void xmlRelaxNGFreeDefine(xmlRelaxNGDefinePtr define); |
| 257 | |
| 258 | /** |
| 259 | * xmlRelaxNGNewRelaxNG: |
| 260 | * @ctxt: a Relax-NG validation context (optional) |
| 261 | * |
| 262 | * Allocate a new RelaxNG structure. |
| 263 | * |
| 264 | * Returns the newly allocated structure or NULL in case or error |
| 265 | */ |
| 266 | static xmlRelaxNGPtr |
| 267 | xmlRelaxNGNewRelaxNG(xmlRelaxNGParserCtxtPtr ctxt) |
| 268 | { |
| 269 | xmlRelaxNGPtr ret; |
| 270 | |
| 271 | ret = (xmlRelaxNGPtr) xmlMalloc(sizeof(xmlRelaxNG)); |
| 272 | if (ret == NULL) { |
| 273 | if ((ctxt != NULL) && (ctxt->error != NULL)) |
| 274 | ctxt->error(ctxt->userData, "Out of memory\n"); |
| 275 | ctxt->nbErrors++; |
| 276 | return (NULL); |
| 277 | } |
| 278 | memset(ret, 0, sizeof(xmlRelaxNG)); |
| 279 | |
| 280 | return (ret); |
| 281 | } |
| 282 | |
| 283 | /** |
| 284 | * xmlRelaxNGFree: |
| 285 | * @schema: a schema structure |
| 286 | * |
| 287 | * Deallocate a RelaxNG structure. |
| 288 | */ |
| 289 | void |
| 290 | xmlRelaxNGFree(xmlRelaxNGPtr schema) |
| 291 | { |
| 292 | if (schema == NULL) |
| 293 | return; |
| 294 | |
| 295 | #if 0 |
| 296 | if (schema->elemDecl != NULL) |
| 297 | xmlHashFree(schema->elemDecl, |
| 298 | (xmlHashDeallocator) xmlRelaxNGFreeElement); |
| 299 | if (schema->typeDecl != NULL) |
| 300 | xmlHashFree(schema->typeDecl, |
| 301 | (xmlHashDeallocator) xmlRelaxNGFreeType); |
| 302 | #endif |
| 303 | |
| 304 | if (schema->topgrammar != NULL) |
| 305 | xmlRelaxNGFreeGrammar(schema->topgrammar); |
| 306 | if (schema->doc != NULL) |
| 307 | xmlFreeDoc(schema->doc); |
| 308 | |
| 309 | xmlFree(schema); |
| 310 | } |
| 311 | |
| 312 | /** |
| 313 | * xmlRelaxNGNewGrammar: |
| 314 | * @ctxt: a Relax-NG validation context (optional) |
| 315 | * |
| 316 | * Allocate a new RelaxNG grammar. |
| 317 | * |
| 318 | * Returns the newly allocated structure or NULL in case or error |
| 319 | */ |
| 320 | static xmlRelaxNGGrammarPtr |
| 321 | xmlRelaxNGNewGrammar(xmlRelaxNGParserCtxtPtr ctxt) |
| 322 | { |
| 323 | xmlRelaxNGGrammarPtr ret; |
| 324 | |
| 325 | ret = (xmlRelaxNGGrammarPtr) xmlMalloc(sizeof(xmlRelaxNGGrammar)); |
| 326 | if (ret == NULL) { |
| 327 | if ((ctxt != NULL) && (ctxt->error != NULL)) |
| 328 | ctxt->error(ctxt->userData, "Out of memory\n"); |
| 329 | ctxt->nbErrors++; |
| 330 | return (NULL); |
| 331 | } |
| 332 | memset(ret, 0, sizeof(xmlRelaxNGGrammar)); |
| 333 | |
| 334 | return (ret); |
| 335 | } |
| 336 | |
| 337 | /** |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 338 | * xmlRelaxNGFreeDefineHash: |
| 339 | * @defines: a list of define structures |
| 340 | * |
| 341 | * Deallocate a RelaxNG definition in the hash table |
| 342 | */ |
| 343 | static void |
| 344 | xmlRelaxNGFreeDefineHash(xmlRelaxNGDefinePtr defines) |
| 345 | { |
| 346 | xmlRelaxNGDefinePtr next; |
| 347 | |
| 348 | while (defines != NULL) { |
| 349 | next = defines->nextHash; |
| 350 | xmlRelaxNGFreeDefine(defines); |
| 351 | defines = next; |
| 352 | } |
| 353 | } |
| 354 | |
| 355 | /** |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 356 | * xmlRelaxNGFreeGrammar: |
| 357 | * @grammar: a grammar structure |
| 358 | * |
| 359 | * Deallocate a RelaxNG grammar structure. |
| 360 | */ |
| 361 | static void |
| 362 | xmlRelaxNGFreeGrammar(xmlRelaxNGGrammarPtr grammar) |
| 363 | { |
| 364 | if (grammar == NULL) |
| 365 | return; |
| 366 | |
| 367 | if (grammar->start != NULL) |
| 368 | xmlRelaxNGFreeDefine(grammar->start); |
| 369 | if (grammar->refs != NULL) { |
| 370 | xmlHashFree(grammar->refs, NULL); |
| 371 | } |
| 372 | if (grammar->defs != NULL) { |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 373 | xmlHashFree(grammar->defs, (xmlHashDeallocator) |
| 374 | xmlRelaxNGFreeDefineHash); |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 375 | } |
| 376 | |
| 377 | xmlFree(grammar); |
| 378 | } |
| 379 | |
| 380 | /** |
| 381 | * xmlRelaxNGNewDefine: |
| 382 | * @ctxt: a Relax-NG validation context |
| 383 | * @node: the node in the input document. |
| 384 | * |
| 385 | * Allocate a new RelaxNG define. |
| 386 | * |
| 387 | * Returns the newly allocated structure or NULL in case or error |
| 388 | */ |
| 389 | static xmlRelaxNGDefinePtr |
| 390 | xmlRelaxNGNewDefine(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node) |
| 391 | { |
| 392 | xmlRelaxNGDefinePtr ret; |
| 393 | |
| 394 | ret = (xmlRelaxNGDefinePtr) xmlMalloc(sizeof(xmlRelaxNGDefine)); |
| 395 | if (ret == NULL) { |
| 396 | if ((ctxt != NULL) && (ctxt->error != NULL)) |
| 397 | ctxt->error(ctxt->userData, "Out of memory\n"); |
| 398 | ctxt->nbErrors++; |
| 399 | return (NULL); |
| 400 | } |
| 401 | memset(ret, 0, sizeof(xmlRelaxNGDefine)); |
| 402 | ret->node = node; |
| 403 | |
| 404 | return (ret); |
| 405 | } |
| 406 | |
| 407 | /** |
| 408 | * xmlRelaxNGFreeDefineList: |
| 409 | * @defines: a list of define structures |
| 410 | * |
| 411 | * Deallocate a RelaxNG define structures. |
| 412 | */ |
| 413 | static void |
| 414 | xmlRelaxNGFreeDefineList(xmlRelaxNGDefinePtr defines) |
| 415 | { |
| 416 | xmlRelaxNGDefinePtr next; |
| 417 | |
| 418 | while (defines != NULL) { |
| 419 | next = defines->next; |
| 420 | xmlRelaxNGFreeDefine(defines); |
| 421 | defines = next; |
| 422 | } |
| 423 | } |
| 424 | |
| 425 | /** |
| 426 | * xmlRelaxNGFreeDefine: |
| 427 | * @define: a define structure |
| 428 | * |
| 429 | * Deallocate a RelaxNG define structure. |
| 430 | */ |
| 431 | static void |
| 432 | xmlRelaxNGFreeDefine(xmlRelaxNGDefinePtr define) |
| 433 | { |
| 434 | if (define == NULL) |
| 435 | return; |
| 436 | |
| 437 | if (define->name != NULL) |
| 438 | xmlFree(define->name); |
| 439 | if (define->ns != NULL) |
| 440 | xmlFree(define->ns); |
| 441 | if (define->attrs != NULL) |
| 442 | xmlRelaxNGFreeDefineList(define->attrs); |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 443 | if ((define->content != NULL) && |
| 444 | (define->type != XML_RELAXNG_REF)) |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 445 | xmlRelaxNGFreeDefineList(define->content); |
| 446 | xmlFree(define); |
| 447 | } |
| 448 | |
| 449 | /** |
| 450 | * xmlRelaxNGNewValidState: |
| 451 | * @ctxt: a Relax-NG validation context |
| 452 | * @node: the current node or NULL for the document |
| 453 | * |
| 454 | * Allocate a new RelaxNG validation state |
| 455 | * |
| 456 | * Returns the newly allocated structure or NULL in case or error |
| 457 | */ |
| 458 | static xmlRelaxNGValidStatePtr |
| 459 | xmlRelaxNGNewValidState(xmlRelaxNGValidCtxtPtr ctxt, xmlNodePtr node) |
| 460 | { |
| 461 | xmlRelaxNGValidStatePtr ret; |
| 462 | xmlAttrPtr attr; |
| 463 | xmlAttrPtr attrs[MAX_ATTR]; |
| 464 | int nbAttrs = 0; |
| 465 | xmlNodePtr root = NULL; |
| 466 | |
| 467 | if (node == NULL) { |
| 468 | root = xmlDocGetRootElement(ctxt->doc); |
| 469 | if (root == NULL) |
| 470 | return(NULL); |
| 471 | } else { |
| 472 | attr = node->properties; |
| 473 | while (attr != NULL) { |
| 474 | if (nbAttrs < MAX_ATTR) |
| 475 | attrs[nbAttrs++] = attr; |
| 476 | else |
| 477 | nbAttrs++; |
| 478 | attr = attr->next; |
| 479 | } |
| 480 | } |
| 481 | |
| 482 | if (nbAttrs < MAX_ATTR) |
| 483 | attrs[nbAttrs] = NULL; |
| 484 | ret = (xmlRelaxNGValidStatePtr) xmlMalloc(sizeof(xmlRelaxNGValidState) + |
| 485 | nbAttrs * sizeof(xmlAttrPtr)); |
| 486 | if (ret == NULL) { |
| 487 | if ((ctxt != NULL) && (ctxt->error != NULL)) |
| 488 | ctxt->error(ctxt->userData, "Out of memory\n"); |
| 489 | return (NULL); |
| 490 | } |
| 491 | if (node == NULL) { |
| 492 | ret->node = (xmlNodePtr) ctxt->doc; |
| 493 | ret->seq = root; |
| 494 | ret->nbAttrs = 0; |
| 495 | } else { |
| 496 | ret->node = node; |
| 497 | ret->seq = node->children; |
| 498 | ret->nbAttrs = nbAttrs; |
| 499 | if (nbAttrs > 0) { |
| 500 | if (nbAttrs < MAX_ATTR) { |
| 501 | memcpy(&(ret->attrs[0]), attrs, |
| 502 | sizeof(xmlAttrPtr) * (nbAttrs + 1)); |
| 503 | } else { |
| 504 | attr = node->properties; |
| 505 | nbAttrs = 0; |
| 506 | while (attr != NULL) { |
| 507 | ret->attrs[nbAttrs++] = attr; |
| 508 | attr = attr->next; |
| 509 | } |
| 510 | ret->attrs[nbAttrs] = NULL; |
| 511 | } |
| 512 | } |
| 513 | } |
| 514 | return (ret); |
| 515 | } |
| 516 | |
| 517 | /** |
| 518 | * xmlRelaxNGCopyValidState: |
| 519 | * @ctxt: a Relax-NG validation context |
| 520 | * @state: a validation state |
| 521 | * |
| 522 | * Copy the validation state |
| 523 | * |
| 524 | * Returns the newly allocated structure or NULL in case or error |
| 525 | */ |
| 526 | static xmlRelaxNGValidStatePtr |
| 527 | xmlRelaxNGCopyValidState(xmlRelaxNGValidCtxtPtr ctxt, |
| 528 | xmlRelaxNGValidStatePtr state) |
| 529 | { |
| 530 | xmlRelaxNGValidStatePtr ret; |
| 531 | unsigned int size; |
| 532 | |
| 533 | if (state == NULL) |
| 534 | return(NULL); |
| 535 | |
| 536 | size = sizeof(xmlRelaxNGValidState) + |
| 537 | state->nbAttrs * sizeof(xmlAttrPtr); |
| 538 | ret = (xmlRelaxNGValidStatePtr) xmlMalloc(size); |
| 539 | if (ret == NULL) { |
| 540 | if ((ctxt != NULL) && (ctxt->error != NULL)) |
| 541 | ctxt->error(ctxt->userData, "Out of memory\n"); |
| 542 | return (NULL); |
| 543 | } |
| 544 | memcpy(ret, state, size); |
| 545 | return(ret); |
| 546 | } |
| 547 | |
| 548 | /** |
| 549 | * xmlRelaxNGFreeValidState: |
| 550 | * @state: a validation state structure |
| 551 | * |
| 552 | * Deallocate a RelaxNG validation state structure. |
| 553 | */ |
| 554 | static void |
| 555 | xmlRelaxNGFreeValidState(xmlRelaxNGValidStatePtr state) |
| 556 | { |
| 557 | if (state == NULL) |
| 558 | return; |
| 559 | |
| 560 | xmlFree(state); |
| 561 | } |
| 562 | |
| 563 | /************************************************************************ |
| 564 | * * |
| 565 | * Error functions * |
| 566 | * * |
| 567 | ************************************************************************/ |
| 568 | |
| 569 | #define VALID_CTXT() \ |
| 570 | if (ctxt->flags == 0) xmlGenericError(xmlGenericErrorContext, \ |
| 571 | "error detected at %s:%d\n", \ |
| 572 | __FILE__, __LINE__); |
| 573 | #define VALID_ERROR if (ctxt->flags == 0) printf |
| 574 | |
| 575 | #if 0 |
| 576 | /** |
| 577 | * xmlRelaxNGErrorContext: |
| 578 | * @ctxt: the parsing context |
| 579 | * @schema: the schema being built |
| 580 | * @node: the node being processed |
| 581 | * @child: the child being processed |
| 582 | * |
| 583 | * Dump a RelaxNGType structure |
| 584 | */ |
| 585 | static void |
| 586 | xmlRelaxNGErrorContext(xmlRelaxNGParserCtxtPtr ctxt, xmlRelaxNGPtr schema, |
| 587 | xmlNodePtr node, xmlNodePtr child) |
| 588 | { |
| 589 | int line = 0; |
| 590 | const xmlChar *file = NULL; |
| 591 | const xmlChar *name = NULL; |
| 592 | const char *type = "error"; |
| 593 | |
| 594 | if ((ctxt == NULL) || (ctxt->error == NULL)) |
| 595 | return; |
| 596 | |
| 597 | if (child != NULL) |
| 598 | node = child; |
| 599 | |
| 600 | if (node != NULL) { |
| 601 | if ((node->type == XML_DOCUMENT_NODE) || |
| 602 | (node->type == XML_HTML_DOCUMENT_NODE)) { |
| 603 | xmlDocPtr doc = (xmlDocPtr) node; |
| 604 | |
| 605 | file = doc->URL; |
| 606 | } else { |
| 607 | /* |
| 608 | * Try to find contextual informations to report |
| 609 | */ |
| 610 | if (node->type == XML_ELEMENT_NODE) { |
| 611 | line = (int) node->content; |
| 612 | } else if ((node->prev != NULL) && |
| 613 | (node->prev->type == XML_ELEMENT_NODE)) { |
| 614 | line = (int) node->prev->content; |
| 615 | } else if ((node->parent != NULL) && |
| 616 | (node->parent->type == XML_ELEMENT_NODE)) { |
| 617 | line = (int) node->parent->content; |
| 618 | } |
| 619 | if ((node->doc != NULL) && (node->doc->URL != NULL)) |
| 620 | file = node->doc->URL; |
| 621 | if (node->name != NULL) |
| 622 | name = node->name; |
| 623 | } |
| 624 | } |
| 625 | |
| 626 | if (ctxt != NULL) |
| 627 | type = "compilation error"; |
| 628 | else if (schema != NULL) |
| 629 | type = "runtime error"; |
| 630 | |
| 631 | if ((file != NULL) && (line != 0) && (name != NULL)) |
| 632 | ctxt->error(ctxt->userData, "%s: file %s line %d element %s\n", |
| 633 | type, file, line, name); |
| 634 | else if ((file != NULL) && (name != NULL)) |
| 635 | ctxt->error(ctxt->userData, "%s: file %s element %s\n", |
| 636 | type, file, name); |
| 637 | else if ((file != NULL) && (line != 0)) |
| 638 | ctxt->error(ctxt->userData, "%s: file %s line %d\n", type, file, line); |
| 639 | else if (file != NULL) |
| 640 | ctxt->error(ctxt->userData, "%s: file %s\n", type, file); |
| 641 | else if (name != NULL) |
| 642 | ctxt->error(ctxt->userData, "%s: element %s\n", type, name); |
| 643 | else |
| 644 | ctxt->error(ctxt->userData, "%s\n", type); |
| 645 | } |
| 646 | #endif |
| 647 | |
| 648 | /************************************************************************ |
| 649 | * * |
| 650 | * Type library hooks * |
| 651 | * * |
| 652 | ************************************************************************/ |
| 653 | |
Daniel Veillard | dd1655c | 2003-01-25 18:01:32 +0000 | [diff] [blame^] | 654 | /** |
| 655 | * xmlRelaxNGSchemaTypeHave: |
| 656 | * @data: data needed for the library |
| 657 | * @type: the type name |
| 658 | * |
| 659 | * Check if the given type is provided by |
| 660 | * the W3C XMLSchema Datatype library. |
| 661 | * |
| 662 | * Returns 1 if yes, 0 if no and -1 in case of error. |
| 663 | */ |
| 664 | static int |
| 665 | xmlRelaxNGSchemaTypeHave(void *data ATTRIBUTE_UNUSED, |
| 666 | const xmlChar *type ATTRIBUTE_UNUSED) { |
| 667 | TODO |
| 668 | return(1); |
| 669 | } |
| 670 | |
| 671 | /** |
| 672 | * xmlRelaxNGSchemaTypeCheck: |
| 673 | * @data: data needed for the library |
| 674 | * @type: the type name |
| 675 | * @value: the value to check |
| 676 | * |
| 677 | * Check if the given type and value are validated by |
| 678 | * the W3C XMLSchema Datatype library. |
| 679 | * |
| 680 | * Returns 1 if yes, 0 if no and -1 in case of error. |
| 681 | */ |
| 682 | static int |
| 683 | xmlRelaxNGSchemaTypeCheck(void *data ATTRIBUTE_UNUSED, |
| 684 | const xmlChar *type ATTRIBUTE_UNUSED, |
| 685 | const xmlChar *value ATTRIBUTE_UNUSED) { |
| 686 | TODO |
| 687 | return(1); |
| 688 | } |
| 689 | |
| 690 | /** |
| 691 | * xmlRelaxNGSchemaTypeCompare: |
| 692 | * @data: data needed for the library |
| 693 | * @type: the type name |
| 694 | * @value1: the first value |
| 695 | * @value2: the second value |
| 696 | * |
| 697 | * Compare two values accordingly a type from the W3C XMLSchema |
| 698 | * Datatype library. |
| 699 | * |
| 700 | * Returns 1 if yes, 0 if no and -1 in case of error. |
| 701 | */ |
| 702 | static int |
| 703 | xmlRelaxNGSchemaTypeCompare(void *data ATTRIBUTE_UNUSED, |
| 704 | const xmlChar *type ATTRIBUTE_UNUSED, |
| 705 | const xmlChar *value1 ATTRIBUTE_UNUSED, |
| 706 | const xmlChar *value2 ATTRIBUTE_UNUSED) { |
| 707 | TODO |
| 708 | return(1); |
| 709 | } |
| 710 | |
| 711 | /** |
| 712 | * xmlRelaxNGDefaultTypeHave: |
| 713 | * @data: data needed for the library |
| 714 | * @type: the type name |
| 715 | * |
| 716 | * Check if the given type is provided by |
| 717 | * the default datatype library. |
| 718 | * |
| 719 | * Returns 1 if yes, 0 if no and -1 in case of error. |
| 720 | */ |
| 721 | static int |
| 722 | xmlRelaxNGDefaultTypeHave(void *data ATTRIBUTE_UNUSED, const xmlChar *type) { |
| 723 | if (type == NULL) |
| 724 | return(-1); |
| 725 | if (xmlStrEqual(type, BAD_CAST "string")) |
| 726 | return(1); |
| 727 | if (xmlStrEqual(type, BAD_CAST "token")) |
| 728 | return(1); |
| 729 | return(0); |
| 730 | } |
| 731 | |
| 732 | /** |
| 733 | * xmlRelaxNGDefaultTypeCheck: |
| 734 | * @data: data needed for the library |
| 735 | * @type: the type name |
| 736 | * @value: the value to check |
| 737 | * |
| 738 | * Check if the given type and value are validated by |
| 739 | * the default datatype library. |
| 740 | * |
| 741 | * Returns 1 if yes, 0 if no and -1 in case of error. |
| 742 | */ |
| 743 | static int |
| 744 | xmlRelaxNGDefaultTypeCheck(void *data ATTRIBUTE_UNUSED, |
| 745 | const xmlChar *type ATTRIBUTE_UNUSED, |
| 746 | const xmlChar *value ATTRIBUTE_UNUSED) { |
| 747 | return(1); |
| 748 | } |
| 749 | |
| 750 | /** |
| 751 | * xmlRelaxNGDefaultTypeCompare: |
| 752 | * @data: data needed for the library |
| 753 | * @type: the type name |
| 754 | * @value1: the first value |
| 755 | * @value2: the second value |
| 756 | * |
| 757 | * Compare two values accordingly a type from the default |
| 758 | * datatype library. |
| 759 | * |
| 760 | * Returns 1 if yes, 0 if no and -1 in case of error. |
| 761 | */ |
| 762 | static int |
| 763 | xmlRelaxNGDefaultTypeCompare(void *data ATTRIBUTE_UNUSED, |
| 764 | const xmlChar *type ATTRIBUTE_UNUSED, |
| 765 | const xmlChar *value1 ATTRIBUTE_UNUSED, |
| 766 | const xmlChar *value2 ATTRIBUTE_UNUSED) { |
| 767 | TODO |
| 768 | return(1); |
| 769 | } |
| 770 | |
| 771 | static int xmlRelaxNGTypeInitialized = 0; |
| 772 | static xmlHashTablePtr xmlRelaxNGRegisteredTypes = NULL; |
| 773 | |
| 774 | /** |
| 775 | * xmlRelaxNGFreeTypeLibrary: |
| 776 | * @lib: the type library structure |
| 777 | * @namespace: the URI bound to the library |
| 778 | * |
| 779 | * Free the structure associated to the type library |
| 780 | */ |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 781 | static void |
Daniel Veillard | dd1655c | 2003-01-25 18:01:32 +0000 | [diff] [blame^] | 782 | xmlRelaxNGFreeTypeLibrary(xmlRelaxNGTypeLibraryPtr lib, |
| 783 | const xmlChar *namespace ATTRIBUTE_UNUSED) { |
| 784 | if (lib == NULL) |
| 785 | return; |
| 786 | if (lib->namespace != NULL) |
| 787 | xmlFree((xmlChar *)lib->namespace); |
| 788 | xmlFree(lib); |
| 789 | } |
| 790 | |
| 791 | /** |
| 792 | * xmlRelaxNGRegisterTypeLibrary: |
| 793 | * @namespace: the URI bound to the library |
| 794 | * @data: data associated to the library |
| 795 | * @have: the provide function |
| 796 | * @check: the checking function |
| 797 | * @comp: the comparison function |
| 798 | * |
| 799 | * Register a new type library |
| 800 | * |
| 801 | * Returns 0 in case of success and -1 in case of error. |
| 802 | */ |
| 803 | static int |
| 804 | xmlRelaxNGRegisterTypeLibrary(const xmlChar *namespace, void *data, |
| 805 | xmlRelaxNGTypeHave have, xmlRelaxNGTypeCheck check, |
| 806 | xmlRelaxNGTypeCompare comp) { |
| 807 | xmlRelaxNGTypeLibraryPtr lib; |
| 808 | int ret; |
| 809 | |
| 810 | if ((xmlRelaxNGRegisteredTypes == NULL) || (namespace == NULL) || |
| 811 | (check == NULL) || (comp == NULL)) |
| 812 | return(-1); |
| 813 | if (xmlHashLookup(xmlRelaxNGRegisteredTypes, namespace) != NULL) { |
| 814 | xmlGenericError(xmlGenericErrorContext, |
| 815 | "Relax-NG types library '%s' already registered\n", |
| 816 | namespace); |
| 817 | return(-1); |
| 818 | } |
| 819 | lib = (xmlRelaxNGTypeLibraryPtr) xmlMalloc(sizeof(xmlRelaxNGTypeLibrary)); |
| 820 | if (lib == NULL) { |
| 821 | xmlGenericError(xmlGenericErrorContext, |
| 822 | "Relax-NG types library '%s' malloc() failed\n", |
| 823 | namespace); |
| 824 | return (-1); |
| 825 | } |
| 826 | memset(lib, 0, sizeof(xmlRelaxNGTypeLibrary)); |
| 827 | lib->namespace = xmlStrdup(namespace); |
| 828 | lib->data = data; |
| 829 | lib->have = have; |
| 830 | lib->comp = comp; |
| 831 | lib->check = check; |
| 832 | ret = xmlHashAddEntry(xmlRelaxNGRegisteredTypes, namespace, lib); |
| 833 | if (ret < 0) { |
| 834 | xmlGenericError(xmlGenericErrorContext, |
| 835 | "Relax-NG types library failed to register '%s'\n", |
| 836 | namespace); |
| 837 | xmlRelaxNGFreeTypeLibrary(lib, namespace); |
| 838 | return(-1); |
| 839 | } |
| 840 | return(0); |
| 841 | } |
| 842 | |
| 843 | /** |
| 844 | * xmlRelaxNGInitTypes: |
| 845 | * |
| 846 | * Initilize the default type libraries. |
| 847 | * |
| 848 | * Returns 0 in case of success and -1 in case of error. |
| 849 | */ |
| 850 | static int |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 851 | xmlRelaxNGInitTypes(void) { |
Daniel Veillard | dd1655c | 2003-01-25 18:01:32 +0000 | [diff] [blame^] | 852 | if (xmlRelaxNGTypeInitialized != 0) |
| 853 | return(0); |
| 854 | xmlRelaxNGRegisteredTypes = xmlHashCreate(10); |
| 855 | if (xmlRelaxNGRegisteredTypes == NULL) { |
| 856 | xmlGenericError(xmlGenericErrorContext, |
| 857 | "Failed to allocate sh table for Relax-NG types\n"); |
| 858 | return(-1); |
| 859 | } |
| 860 | xmlRelaxNGRegisterTypeLibrary( |
| 861 | BAD_CAST "http://www.w3.org/2001/XMLSchema-datatypes", |
| 862 | NULL, |
| 863 | xmlRelaxNGSchemaTypeHave, |
| 864 | xmlRelaxNGSchemaTypeCheck, |
| 865 | xmlRelaxNGSchemaTypeCompare); |
| 866 | xmlRelaxNGRegisterTypeLibrary( |
| 867 | xmlRelaxNGNs, |
| 868 | NULL, |
| 869 | xmlRelaxNGDefaultTypeHave, |
| 870 | xmlRelaxNGDefaultTypeCheck, |
| 871 | xmlRelaxNGDefaultTypeCompare); |
| 872 | xmlRelaxNGTypeInitialized = 1; |
| 873 | return(0); |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 874 | } |
| 875 | |
| 876 | /** |
| 877 | * xmlRelaxNGCleanupTypes: |
| 878 | * |
| 879 | * Cleanup the default Schemas type library associated to RelaxNG |
| 880 | */ |
| 881 | void |
| 882 | xmlRelaxNGCleanupTypes(void) { |
Daniel Veillard | dd1655c | 2003-01-25 18:01:32 +0000 | [diff] [blame^] | 883 | if (xmlRelaxNGTypeInitialized == 0) |
| 884 | return; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 885 | xmlSchemaCleanupTypes(); |
Daniel Veillard | dd1655c | 2003-01-25 18:01:32 +0000 | [diff] [blame^] | 886 | xmlHashFree(xmlRelaxNGRegisteredTypes, (xmlHashDeallocator) |
| 887 | xmlRelaxNGFreeTypeLibrary); |
| 888 | xmlRelaxNGTypeInitialized = 0; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 889 | } |
| 890 | |
| 891 | /************************************************************************ |
| 892 | * * |
| 893 | * Parsing functions * |
| 894 | * * |
| 895 | ************************************************************************/ |
| 896 | |
| 897 | static xmlRelaxNGDefinePtr xmlRelaxNGParseAttribute( |
| 898 | xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node); |
| 899 | static xmlRelaxNGDefinePtr xmlRelaxNGParseElement( |
| 900 | xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node); |
| 901 | static xmlRelaxNGDefinePtr xmlRelaxNGParsePatterns( |
| 902 | xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr nodes); |
| 903 | |
| 904 | |
| 905 | #define IS_BLANK_NODE(n) \ |
| 906 | (((n)->type == XML_TEXT_NODE) && (xmlRelaxNGIsBlank((n)->content))) |
| 907 | |
| 908 | /** |
| 909 | * xmlRelaxNGIsBlank: |
| 910 | * @str: a string |
| 911 | * |
| 912 | * Check if a string is ignorable c.f. 4.2. Whitespace |
| 913 | * |
| 914 | * Returns 1 if the string is NULL or made of blanks chars, 0 otherwise |
| 915 | */ |
| 916 | static int |
| 917 | xmlRelaxNGIsBlank(xmlChar *str) { |
| 918 | if (str == NULL) |
| 919 | return(1); |
| 920 | while (*str != 0) { |
| 921 | if (!(IS_BLANK(*str))) return(0); |
| 922 | str++; |
| 923 | } |
| 924 | return(1); |
| 925 | } |
| 926 | |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 927 | /** |
| 928 | * xmlRelaxNGGetDataTypeLibrary: |
| 929 | * @ctxt: a Relax-NG parser context |
| 930 | * @node: the current data or value element |
| 931 | * |
| 932 | * Applies algorithm from 4.3. datatypeLibrary attribute |
| 933 | * |
| 934 | * Returns the datatypeLibary value or NULL if not found |
| 935 | */ |
| 936 | static xmlChar * |
| 937 | xmlRelaxNGGetDataTypeLibrary(xmlRelaxNGParserCtxtPtr ctxt ATTRIBUTE_UNUSED, |
| 938 | xmlNodePtr node) { |
| 939 | xmlChar *ret, *escape; |
| 940 | |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 941 | if ((IS_RELAXNG(node, "data")) || (IS_RELAXNG(node, "value"))) { |
| 942 | ret = xmlGetProp(node, BAD_CAST "datatypeLibrary"); |
| 943 | if (ret != NULL) { |
Daniel Veillard | dd1655c | 2003-01-25 18:01:32 +0000 | [diff] [blame^] | 944 | escape = xmlURIEscapeStr(ret, BAD_CAST ":/#?"); |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 945 | if (escape == NULL) { |
| 946 | return(ret); |
| 947 | } |
| 948 | xmlFree(ret); |
| 949 | return(escape); |
| 950 | } |
| 951 | } |
| 952 | node = node->parent; |
| 953 | while ((node != NULL) && (node->type == XML_ELEMENT_NODE)) { |
| 954 | if (IS_RELAXNG(node, "element")) { |
| 955 | ret = xmlGetProp(node, BAD_CAST "datatypeLibrary"); |
| 956 | if (ret != NULL) { |
Daniel Veillard | dd1655c | 2003-01-25 18:01:32 +0000 | [diff] [blame^] | 957 | escape = xmlURIEscapeStr(ret, BAD_CAST ":/#?"); |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 958 | if (escape == NULL) { |
| 959 | return(ret); |
| 960 | } |
| 961 | xmlFree(ret); |
| 962 | return(escape); |
| 963 | } |
| 964 | } |
| 965 | node = node->parent; |
| 966 | } |
| 967 | return(NULL); |
| 968 | } |
Daniel Veillard | dd1655c | 2003-01-25 18:01:32 +0000 | [diff] [blame^] | 969 | |
| 970 | /** |
| 971 | * xmlRelaxNGParseData: |
| 972 | * @ctxt: a Relax-NG parser context |
| 973 | * @node: the data node. |
| 974 | * |
| 975 | * parse the content of a RelaxNG data node. |
| 976 | * |
| 977 | * Returns the definition pointer or NULL in case of error |
| 978 | */ |
| 979 | static xmlRelaxNGDefinePtr |
| 980 | xmlRelaxNGParseData(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node) { |
| 981 | xmlRelaxNGDefinePtr def = NULL; |
| 982 | xmlRelaxNGTypeLibraryPtr lib; |
| 983 | xmlChar *type; |
| 984 | xmlChar *library; |
| 985 | xmlNodePtr content; |
| 986 | int tmp; |
| 987 | |
| 988 | type = xmlGetProp(node, BAD_CAST "type"); |
| 989 | if (type == NULL) { |
| 990 | if (ctxt->error != NULL) |
| 991 | ctxt->error(ctxt->userData, |
| 992 | "data has no type\n"); |
| 993 | ctxt->nbErrors++; |
| 994 | return(NULL); |
| 995 | } |
| 996 | library = xmlRelaxNGGetDataTypeLibrary(ctxt, node); |
| 997 | if (library == NULL) |
| 998 | library = xmlStrdup(BAD_CAST "http://relaxng.org/ns/structure/1.0"); |
| 999 | |
| 1000 | def = xmlRelaxNGNewDefine(ctxt, node); |
| 1001 | if (def == NULL) { |
| 1002 | xmlFree(type); |
| 1003 | return(NULL); |
| 1004 | } |
| 1005 | def->type = XML_RELAXNG_DATATYPE; |
| 1006 | def->name = type; |
| 1007 | def->ns = library; |
| 1008 | |
| 1009 | lib = (xmlRelaxNGTypeLibraryPtr) |
| 1010 | xmlHashLookup(xmlRelaxNGRegisteredTypes, library); |
| 1011 | if (lib == NULL) { |
| 1012 | if (ctxt->error != NULL) |
| 1013 | ctxt->error(ctxt->userData, |
| 1014 | "Use of unregistered type library '%s'\n", |
| 1015 | library); |
| 1016 | ctxt->nbErrors++; |
| 1017 | def->data = NULL; |
| 1018 | } else { |
| 1019 | def->data = lib; |
| 1020 | if (lib->have == NULL) { |
| 1021 | ctxt->error(ctxt->userData, |
| 1022 | "Internal error with type library '%s': no 'have'\n", |
| 1023 | library); |
| 1024 | ctxt->nbErrors++; |
| 1025 | } else { |
| 1026 | tmp = lib->have(lib->data, def->name); |
| 1027 | if (tmp != 1) { |
| 1028 | ctxt->error(ctxt->userData, |
| 1029 | "Error type '%s' is not exported by type library '%s'\n", |
| 1030 | def->name, library); |
| 1031 | ctxt->nbErrors++; |
| 1032 | } |
| 1033 | } |
| 1034 | } |
| 1035 | content = node->children; |
| 1036 | while (content != NULL) { |
| 1037 | TODO |
| 1038 | content = content->next; |
| 1039 | } |
| 1040 | |
| 1041 | return(def); |
| 1042 | } |
| 1043 | |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1044 | |
| 1045 | /** |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 1046 | * xmlRelaxNGParseDefine: |
| 1047 | * @ctxt: a Relax-NG parser context |
| 1048 | * @node: the define node |
| 1049 | * |
| 1050 | * parse the content of a RelaxNG define element node. |
| 1051 | * |
| 1052 | * Returns the definition pointer or NULL in case of error. |
| 1053 | */ |
| 1054 | static int |
| 1055 | xmlRelaxNGParseDefine(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node) { |
| 1056 | xmlChar *name; |
| 1057 | int ret = 0, tmp; |
| 1058 | xmlRelaxNGDefinePtr def; |
| 1059 | const xmlChar *olddefine; |
| 1060 | |
| 1061 | name = xmlGetProp(node, BAD_CAST "name"); |
| 1062 | if (name == NULL) { |
| 1063 | if (ctxt->error != NULL) |
| 1064 | ctxt->error(ctxt->userData, |
| 1065 | "define has no name\n"); |
| 1066 | ctxt->nbErrors++; |
| 1067 | } else { |
| 1068 | def = xmlRelaxNGNewDefine(ctxt, node); |
| 1069 | if (def == NULL) { |
| 1070 | xmlFree(name); |
| 1071 | return(-1); |
| 1072 | } |
| 1073 | def->type = XML_RELAXNG_DEF; |
| 1074 | def->name = name; |
| 1075 | if (node->children == NULL) { |
| 1076 | if (ctxt->error != NULL) |
| 1077 | ctxt->error(ctxt->userData, |
| 1078 | "define has no children\n"); |
| 1079 | ctxt->nbErrors++; |
| 1080 | } else { |
| 1081 | olddefine = ctxt->define; |
| 1082 | ctxt->define = name; |
| 1083 | def->content = xmlRelaxNGParsePatterns(ctxt, |
| 1084 | node->children); |
| 1085 | ctxt->define = olddefine; |
| 1086 | } |
| 1087 | if (ctxt->grammar->defs == NULL) |
| 1088 | ctxt->grammar->defs = xmlHashCreate(10); |
| 1089 | if (ctxt->grammar->defs == NULL) { |
| 1090 | if (ctxt->error != NULL) |
| 1091 | ctxt->error(ctxt->userData, |
| 1092 | "Could not create definition hash\n"); |
| 1093 | ctxt->nbErrors++; |
| 1094 | ret = -1; |
| 1095 | xmlRelaxNGFreeDefine(def); |
| 1096 | } else { |
| 1097 | tmp = xmlHashAddEntry(ctxt->grammar->defs, name, def); |
| 1098 | if (tmp < 0) { |
| 1099 | TODO |
| 1100 | /* store and implement 4.17 on combining */ |
| 1101 | ctxt->nbErrors++; |
| 1102 | ret = -1; |
| 1103 | xmlRelaxNGFreeDefine(def); |
| 1104 | } |
| 1105 | } |
| 1106 | } |
| 1107 | return(ret); |
| 1108 | } |
| 1109 | |
| 1110 | /** |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1111 | * xmlRelaxNGParsePattern: |
| 1112 | * @ctxt: a Relax-NG parser context |
| 1113 | * @node: the pattern node. |
| 1114 | * |
| 1115 | * parse the content of a RelaxNG pattern node. |
| 1116 | * |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 1117 | * Returns the definition pointer or NULL in case of error or if no |
| 1118 | * pattern is generated. |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1119 | */ |
| 1120 | static xmlRelaxNGDefinePtr |
| 1121 | xmlRelaxNGParsePattern(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node) { |
| 1122 | xmlRelaxNGDefinePtr def = NULL; |
| 1123 | |
| 1124 | if (IS_RELAXNG(node, "element")) { |
| 1125 | def = xmlRelaxNGParseElement(ctxt, node); |
| 1126 | } else if (IS_RELAXNG(node, "attribute")) { |
| 1127 | def = xmlRelaxNGParseAttribute(ctxt, node); |
| 1128 | } else if (IS_RELAXNG(node, "empty")) { |
| 1129 | def = xmlRelaxNGNewDefine(ctxt, node); |
| 1130 | if (def == NULL) |
| 1131 | return(NULL); |
| 1132 | def->type = XML_RELAXNG_EMPTY; |
| 1133 | } else if (IS_RELAXNG(node, "text")) { |
| 1134 | def = xmlRelaxNGNewDefine(ctxt, node); |
| 1135 | if (def == NULL) |
| 1136 | return(NULL); |
| 1137 | def->type = XML_RELAXNG_TEXT; |
| 1138 | if (node->children != NULL) { |
| 1139 | if (ctxt->error != NULL) |
| 1140 | ctxt->error(ctxt->userData, "text: had a child node\n"); |
| 1141 | ctxt->nbErrors++; |
| 1142 | } |
| 1143 | } else if (IS_RELAXNG(node, "zeroOrMore")) { |
| 1144 | def = xmlRelaxNGNewDefine(ctxt, node); |
| 1145 | if (def == NULL) |
| 1146 | return(NULL); |
| 1147 | def->type = XML_RELAXNG_ZEROORMORE; |
| 1148 | def->content = xmlRelaxNGParsePatterns(ctxt, node->children); |
| 1149 | } else if (IS_RELAXNG(node, "oneOrMore")) { |
| 1150 | def = xmlRelaxNGNewDefine(ctxt, node); |
| 1151 | if (def == NULL) |
| 1152 | return(NULL); |
| 1153 | def->type = XML_RELAXNG_ZEROORMORE; |
| 1154 | def->content = xmlRelaxNGParsePatterns(ctxt, node->children); |
| 1155 | } else if (IS_RELAXNG(node, "optional")) { |
| 1156 | def = xmlRelaxNGNewDefine(ctxt, node); |
| 1157 | if (def == NULL) |
| 1158 | return(NULL); |
| 1159 | def->type = XML_RELAXNG_OPTIONAL; |
| 1160 | def->content = xmlRelaxNGParsePatterns(ctxt, node->children); |
| 1161 | } else if (IS_RELAXNG(node, "choice")) { |
| 1162 | def = xmlRelaxNGNewDefine(ctxt, node); |
| 1163 | if (def == NULL) |
| 1164 | return(NULL); |
| 1165 | def->type = XML_RELAXNG_CHOICE; |
| 1166 | def->content = xmlRelaxNGParsePatterns(ctxt, node->children); |
| 1167 | } else if (IS_RELAXNG(node, "group")) { |
| 1168 | def = xmlRelaxNGNewDefine(ctxt, node); |
| 1169 | if (def == NULL) |
| 1170 | return(NULL); |
| 1171 | def->type = XML_RELAXNG_GROUP; |
| 1172 | def->content = xmlRelaxNGParsePatterns(ctxt, node->children); |
| 1173 | } else if (IS_RELAXNG(node, "ref")) { |
| 1174 | def = xmlRelaxNGNewDefine(ctxt, node); |
| 1175 | if (def == NULL) |
| 1176 | return(NULL); |
| 1177 | def->type = XML_RELAXNG_REF; |
| 1178 | def->name = xmlGetProp(node, BAD_CAST "name"); |
| 1179 | if (def->name == NULL) { |
| 1180 | if (ctxt->error != NULL) |
| 1181 | ctxt->error(ctxt->userData, |
| 1182 | "ref has no name\n"); |
| 1183 | ctxt->nbErrors++; |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 1184 | } else { |
| 1185 | if ((ctxt->define != NULL) && |
| 1186 | (xmlStrEqual(ctxt->define, def->name))) { |
| 1187 | if (ctxt->error != NULL) |
| 1188 | ctxt->error(ctxt->userData, |
| 1189 | "Recursive reference to %s not in an element\n", |
| 1190 | def->name); |
| 1191 | ctxt->nbErrors++; |
| 1192 | } |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1193 | } |
| 1194 | if (node->children != NULL) { |
| 1195 | if (ctxt->error != NULL) |
| 1196 | ctxt->error(ctxt->userData, |
| 1197 | "ref is not empty\n"); |
| 1198 | ctxt->nbErrors++; |
| 1199 | } |
| 1200 | if (ctxt->grammar->refs == NULL) |
| 1201 | ctxt->grammar->refs = xmlHashCreate(10); |
| 1202 | if (ctxt->grammar->refs == NULL) { |
| 1203 | if (ctxt->error != NULL) |
| 1204 | ctxt->error(ctxt->userData, |
| 1205 | "Could not create references hash\n"); |
| 1206 | ctxt->nbErrors++; |
| 1207 | xmlRelaxNGFreeDefine(def); |
| 1208 | def = NULL; |
| 1209 | } else { |
| 1210 | int tmp; |
| 1211 | |
| 1212 | tmp = xmlHashAddEntry(ctxt->grammar->refs, def->name, def); |
| 1213 | if (tmp < 0) { |
| 1214 | xmlRelaxNGDefinePtr prev; |
| 1215 | |
| 1216 | prev = (xmlRelaxNGDefinePtr) |
| 1217 | xmlHashLookup(ctxt->grammar->refs, def->name); |
| 1218 | if (prev == NULL) { |
| 1219 | if (ctxt->error != NULL) |
| 1220 | ctxt->error(ctxt->userData, |
| 1221 | "Internal error refs definitions '%s'\n", |
| 1222 | def->name); |
| 1223 | ctxt->nbErrors++; |
| 1224 | xmlRelaxNGFreeDefine(def); |
| 1225 | def = NULL; |
| 1226 | } else { |
| 1227 | def->nextHash = prev->nextHash; |
| 1228 | prev->nextHash = def; |
| 1229 | } |
| 1230 | } |
| 1231 | } |
Daniel Veillard | dd1655c | 2003-01-25 18:01:32 +0000 | [diff] [blame^] | 1232 | } else if (IS_RELAXNG(node, "data")) { |
| 1233 | def = xmlRelaxNGParseData(ctxt, node); |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 1234 | } else if (IS_RELAXNG(node, "define")) { |
| 1235 | xmlRelaxNGParseDefine(ctxt, node); |
| 1236 | def = NULL; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1237 | } else { |
| 1238 | TODO |
| 1239 | } |
| 1240 | return(def); |
| 1241 | } |
| 1242 | |
| 1243 | /** |
| 1244 | * xmlRelaxNGParseAttribute: |
| 1245 | * @ctxt: a Relax-NG parser context |
| 1246 | * @node: the element node |
| 1247 | * |
| 1248 | * parse the content of a RelaxNG attribute node. |
| 1249 | * |
| 1250 | * Returns the definition pointer or NULL in case of error. |
| 1251 | */ |
| 1252 | static xmlRelaxNGDefinePtr |
| 1253 | xmlRelaxNGParseAttribute(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node) { |
| 1254 | xmlRelaxNGDefinePtr ret, cur, last; |
| 1255 | xmlNodePtr child; |
| 1256 | xmlChar *val; |
| 1257 | int old_flags; |
| 1258 | |
| 1259 | ret = xmlRelaxNGNewDefine(ctxt, node); |
| 1260 | if (ret == NULL) |
| 1261 | return(NULL); |
| 1262 | ret->type = XML_RELAXNG_ATTRIBUTE; |
| 1263 | child = node->children; |
| 1264 | if (child == NULL) { |
| 1265 | if (ctxt->error != NULL) |
| 1266 | ctxt->error(ctxt->userData, |
| 1267 | "xmlRelaxNGParseattribute: attribute has no children\n"); |
| 1268 | ctxt->nbErrors++; |
| 1269 | return(ret); |
| 1270 | } |
| 1271 | old_flags = ctxt->flags; |
| 1272 | ctxt->flags |= XML_RELAXNG_IN_ATTRIBUTE; |
| 1273 | if (IS_RELAXNG(child, "name")) { |
| 1274 | val = xmlNodeGetContent(child); |
| 1275 | ret->name = val; |
| 1276 | val = xmlGetProp(child, BAD_CAST "ns"); |
| 1277 | ret->ns = val; |
| 1278 | } else if (IS_RELAXNG(child, "anyName")) { |
| 1279 | TODO |
| 1280 | } else if (IS_RELAXNG(child, "nsName")) { |
| 1281 | TODO |
| 1282 | } else if (IS_RELAXNG(child, "choice")) { |
| 1283 | TODO |
| 1284 | } else { |
| 1285 | if (ctxt->error != NULL) |
| 1286 | ctxt->error(ctxt->userData, |
| 1287 | "element: expecting name, anyName, nsName or choice : got %s\n", |
| 1288 | child->name); |
| 1289 | ctxt->nbErrors++; |
| 1290 | ctxt->flags = old_flags; |
| 1291 | return(ret); |
| 1292 | } |
| 1293 | child = child->next; |
| 1294 | last = NULL; |
| 1295 | while (child != NULL) { |
| 1296 | cur = xmlRelaxNGParsePattern(ctxt, child); |
| 1297 | if (cur != NULL) { |
| 1298 | switch (cur->type) { |
| 1299 | case XML_RELAXNG_EMPTY: |
| 1300 | case XML_RELAXNG_NOT_ALLOWED: |
| 1301 | case XML_RELAXNG_TEXT: |
| 1302 | case XML_RELAXNG_ELEMENT: |
| 1303 | case XML_RELAXNG_DATATYPE: |
| 1304 | case XML_RELAXNG_VALUE: |
| 1305 | case XML_RELAXNG_LIST: |
| 1306 | case XML_RELAXNG_REF: |
| 1307 | case XML_RELAXNG_DEF: |
| 1308 | case XML_RELAXNG_ONEORMORE: |
| 1309 | case XML_RELAXNG_ZEROORMORE: |
| 1310 | case XML_RELAXNG_OPTIONAL: |
| 1311 | case XML_RELAXNG_CHOICE: |
| 1312 | case XML_RELAXNG_GROUP: |
| 1313 | case XML_RELAXNG_INTERLEAVE: |
| 1314 | if (last == NULL) { |
| 1315 | ret->content = last = cur; |
| 1316 | } else { |
| 1317 | if ((last->type == XML_RELAXNG_ELEMENT) && |
| 1318 | (ret->content == last)) { |
| 1319 | ret->content = xmlRelaxNGNewDefine(ctxt, node); |
| 1320 | if (ret->content != NULL) { |
| 1321 | ret->content->type = XML_RELAXNG_GROUP; |
| 1322 | ret->content->content = last; |
| 1323 | } else { |
| 1324 | ret->content = last; |
| 1325 | } |
| 1326 | } |
| 1327 | last->next = cur; |
| 1328 | last = cur; |
| 1329 | } |
| 1330 | break; |
| 1331 | case XML_RELAXNG_ATTRIBUTE: |
| 1332 | cur->next = ret->attrs; |
| 1333 | ret->attrs = cur; |
| 1334 | break; |
| 1335 | } |
| 1336 | } |
| 1337 | child = child->next; |
| 1338 | } |
| 1339 | ctxt->flags = old_flags; |
| 1340 | return(ret); |
| 1341 | } |
| 1342 | |
| 1343 | /** |
| 1344 | * xmlRelaxNGParseElement: |
| 1345 | * @ctxt: a Relax-NG parser context |
| 1346 | * @node: the element node |
| 1347 | * |
| 1348 | * parse the content of a RelaxNG element node. |
| 1349 | * |
| 1350 | * Returns the definition pointer or NULL in case of error. |
| 1351 | */ |
| 1352 | static xmlRelaxNGDefinePtr |
| 1353 | xmlRelaxNGParseElement(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node) { |
| 1354 | xmlRelaxNGDefinePtr ret, cur, last; |
| 1355 | xmlNodePtr child; |
| 1356 | xmlChar *val; |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 1357 | const xmlChar *olddefine; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1358 | |
| 1359 | ret = xmlRelaxNGNewDefine(ctxt, node); |
| 1360 | if (ret == NULL) |
| 1361 | return(NULL); |
| 1362 | ret->type = XML_RELAXNG_ELEMENT; |
| 1363 | child = node->children; |
| 1364 | if (child == NULL) { |
| 1365 | if (ctxt->error != NULL) |
| 1366 | ctxt->error(ctxt->userData, |
| 1367 | "xmlRelaxNGParseElement: element has no children\n"); |
| 1368 | ctxt->nbErrors++; |
| 1369 | return(ret); |
| 1370 | } |
| 1371 | if (IS_RELAXNG(child, "name")) { |
| 1372 | val = xmlNodeGetContent(child); |
| 1373 | ret->name = val; |
| 1374 | val = xmlGetProp(child, BAD_CAST "ns"); |
| 1375 | ret->ns = val; |
| 1376 | } else if (IS_RELAXNG(child, "anyName")) { |
| 1377 | TODO |
| 1378 | } else if (IS_RELAXNG(child, "nsName")) { |
| 1379 | TODO |
| 1380 | } else if (IS_RELAXNG(child, "choice")) { |
| 1381 | TODO |
| 1382 | } else { |
| 1383 | if (ctxt->error != NULL) |
| 1384 | ctxt->error(ctxt->userData, |
| 1385 | "element: expecting name, anyName, nsName or choice : got %s\n", |
| 1386 | child->name); |
| 1387 | ctxt->nbErrors++; |
| 1388 | return(ret); |
| 1389 | } |
| 1390 | child = child->next; |
| 1391 | if (child == NULL) { |
| 1392 | if (ctxt->error != NULL) |
| 1393 | ctxt->error(ctxt->userData, |
| 1394 | "xmlRelaxNGParseElement: element has no content\n"); |
| 1395 | ctxt->nbErrors++; |
| 1396 | return(ret); |
| 1397 | } |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 1398 | olddefine = ctxt->define; |
| 1399 | ctxt->define = NULL; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1400 | last = NULL; |
| 1401 | while (child != NULL) { |
| 1402 | cur = xmlRelaxNGParsePattern(ctxt, child); |
| 1403 | if (cur != NULL) { |
| 1404 | switch (cur->type) { |
| 1405 | case XML_RELAXNG_EMPTY: |
| 1406 | case XML_RELAXNG_NOT_ALLOWED: |
| 1407 | case XML_RELAXNG_TEXT: |
| 1408 | case XML_RELAXNG_ELEMENT: |
| 1409 | case XML_RELAXNG_DATATYPE: |
| 1410 | case XML_RELAXNG_VALUE: |
| 1411 | case XML_RELAXNG_LIST: |
| 1412 | case XML_RELAXNG_REF: |
| 1413 | case XML_RELAXNG_DEF: |
| 1414 | case XML_RELAXNG_ZEROORMORE: |
| 1415 | case XML_RELAXNG_ONEORMORE: |
| 1416 | case XML_RELAXNG_OPTIONAL: |
| 1417 | case XML_RELAXNG_CHOICE: |
| 1418 | case XML_RELAXNG_GROUP: |
| 1419 | case XML_RELAXNG_INTERLEAVE: |
| 1420 | if (last == NULL) { |
| 1421 | ret->content = last = cur; |
| 1422 | } else { |
| 1423 | if ((last->type == XML_RELAXNG_ELEMENT) && |
| 1424 | (ret->content == last)) { |
| 1425 | ret->content = xmlRelaxNGNewDefine(ctxt, node); |
| 1426 | if (ret->content != NULL) { |
| 1427 | ret->content->type = XML_RELAXNG_GROUP; |
| 1428 | ret->content->content = last; |
| 1429 | } else { |
| 1430 | ret->content = last; |
| 1431 | } |
| 1432 | } |
| 1433 | last->next = cur; |
| 1434 | last = cur; |
| 1435 | } |
| 1436 | break; |
| 1437 | case XML_RELAXNG_ATTRIBUTE: |
| 1438 | cur->next = ret->attrs; |
| 1439 | ret->attrs = cur; |
| 1440 | break; |
| 1441 | } |
| 1442 | } |
| 1443 | child = child->next; |
| 1444 | } |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 1445 | ctxt->define = olddefine; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1446 | return(ret); |
| 1447 | } |
| 1448 | |
| 1449 | /** |
| 1450 | * xmlRelaxNGParsePatterns: |
| 1451 | * @ctxt: a Relax-NG parser context |
| 1452 | * @nodes: list of nodes |
| 1453 | * |
| 1454 | * parse the content of a RelaxNG start node. |
| 1455 | * |
| 1456 | * Returns the definition pointer or NULL in case of error. |
| 1457 | */ |
| 1458 | static xmlRelaxNGDefinePtr |
| 1459 | xmlRelaxNGParsePatterns(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr nodes) { |
| 1460 | xmlRelaxNGDefinePtr def = NULL, last = NULL, cur; |
| 1461 | |
| 1462 | while (nodes != NULL) { |
| 1463 | if (IS_RELAXNG(nodes, "element")) { |
| 1464 | cur = xmlRelaxNGParseElement(ctxt, nodes); |
| 1465 | if (def == NULL) { |
| 1466 | def = last = cur; |
| 1467 | } else { |
| 1468 | if ((def->type == XML_RELAXNG_ELEMENT) && (def == last)) { |
| 1469 | def = xmlRelaxNGNewDefine(ctxt, nodes); |
| 1470 | def->type = XML_RELAXNG_GROUP; |
| 1471 | def->content = last; |
| 1472 | } |
| 1473 | last->next = cur; |
| 1474 | last = cur; |
| 1475 | } |
| 1476 | } else { |
| 1477 | cur = xmlRelaxNGParsePattern(ctxt, nodes); |
| 1478 | if (def == NULL) { |
| 1479 | def = last = cur; |
| 1480 | } else { |
| 1481 | last->next = cur; |
| 1482 | last = cur; |
| 1483 | } |
| 1484 | } |
| 1485 | nodes = nodes->next; |
| 1486 | } |
| 1487 | return(def); |
| 1488 | } |
| 1489 | |
| 1490 | /** |
| 1491 | * xmlRelaxNGParseStart: |
| 1492 | * @ctxt: a Relax-NG parser context |
| 1493 | * @nodes: start children nodes |
| 1494 | * |
| 1495 | * parse the content of a RelaxNG start node. |
| 1496 | * |
| 1497 | * Returns 0 in case of success, -1 in case of error |
| 1498 | */ |
| 1499 | static int |
| 1500 | xmlRelaxNGParseStart(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr nodes) { |
| 1501 | int ret = 0; |
| 1502 | xmlRelaxNGDefinePtr def = NULL; |
| 1503 | |
| 1504 | while (nodes != NULL) { |
| 1505 | if (IS_RELAXNG(nodes, "empty")) { |
| 1506 | TODO |
| 1507 | xmlElemDump(stdout, nodes->doc, nodes); |
| 1508 | } else if (IS_RELAXNG(nodes, "notAllowed")) { |
| 1509 | TODO |
| 1510 | xmlElemDump(stdout, nodes->doc, nodes); |
| 1511 | } else { |
| 1512 | def = xmlRelaxNGParsePatterns(ctxt, nodes); |
| 1513 | ctxt->grammar->start = def; |
| 1514 | } |
| 1515 | nodes = nodes->next; |
| 1516 | } |
| 1517 | return(ret); |
| 1518 | } |
| 1519 | |
| 1520 | /** |
| 1521 | * xmlRelaxNGParseGrammarContent: |
| 1522 | * @ctxt: a Relax-NG parser context |
| 1523 | * @nodes: grammar children nodes |
| 1524 | * |
| 1525 | * parse the content of a RelaxNG grammar node. |
| 1526 | * |
| 1527 | * Returns 0 in case of success, -1 in case of error |
| 1528 | */ |
| 1529 | static int |
| 1530 | xmlRelaxNGParseGrammarContent(xmlRelaxNGParserCtxtPtr ctxt |
| 1531 | ATTRIBUTE_UNUSED, xmlNodePtr nodes) |
| 1532 | { |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 1533 | int ret = 0; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1534 | |
| 1535 | if (nodes == NULL) { |
| 1536 | if (ctxt->error != NULL) |
| 1537 | ctxt->error(ctxt->userData, |
| 1538 | "grammar has no children\n"); |
| 1539 | ctxt->nbErrors++; |
| 1540 | return(-1); |
| 1541 | } |
| 1542 | if (IS_RELAXNG(nodes, "start")) { |
| 1543 | if (nodes->children == NULL) { |
| 1544 | if (ctxt->error != NULL) |
| 1545 | ctxt->error(ctxt->userData, |
| 1546 | "grammar has no children\n"); |
| 1547 | ctxt->nbErrors++; |
| 1548 | } else { |
| 1549 | xmlRelaxNGParseStart(ctxt, nodes->children); |
| 1550 | } |
| 1551 | nodes = nodes->next; |
| 1552 | } else { |
| 1553 | if (ctxt->error != NULL) |
| 1554 | ctxt->error(ctxt->userData, |
| 1555 | "grammar first child must be a <start>\n"); |
| 1556 | ctxt->nbErrors++; |
| 1557 | return(-1); |
| 1558 | } |
| 1559 | while (nodes != NULL) { |
| 1560 | if (IS_RELAXNG(nodes, "define")) { |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 1561 | ret = xmlRelaxNGParseDefine(ctxt, nodes); |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1562 | } else { |
| 1563 | if (ctxt->error != NULL) |
| 1564 | ctxt->error(ctxt->userData, |
| 1565 | "grammar allows onlys <define> child after <start>\n"); |
| 1566 | ctxt->nbErrors++; |
| 1567 | ret = -1; |
| 1568 | } |
| 1569 | nodes = nodes->next; |
| 1570 | } |
| 1571 | return (ret); |
| 1572 | } |
| 1573 | |
| 1574 | /** |
| 1575 | * xmlRelaxNGCheckReference: |
| 1576 | * @ref: the ref |
| 1577 | * @ctxt: a Relax-NG parser context |
| 1578 | * @name: the name associated to the defines |
| 1579 | * |
| 1580 | * Applies the 4.17. combine attribute rule for all the define |
| 1581 | * element of a given grammar using the same name. |
| 1582 | */ |
| 1583 | static void |
| 1584 | xmlRelaxNGCheckReference(xmlRelaxNGDefinePtr ref, |
| 1585 | xmlRelaxNGParserCtxtPtr ctxt, const xmlChar *name) { |
| 1586 | xmlRelaxNGGrammarPtr grammar; |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 1587 | xmlRelaxNGDefinePtr def, cur; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1588 | |
| 1589 | grammar = ctxt->grammar; |
| 1590 | if (grammar == NULL) { |
| 1591 | if (ctxt->error != NULL) |
| 1592 | ctxt->error(ctxt->userData, |
| 1593 | "Internal error: no grammar in CheckReference %s\n", |
| 1594 | name); |
| 1595 | ctxt->nbErrors++; |
| 1596 | return; |
| 1597 | } |
| 1598 | if (ref->content != NULL) { |
| 1599 | if (ctxt->error != NULL) |
| 1600 | ctxt->error(ctxt->userData, |
| 1601 | "Internal error: reference has content in CheckReference %s\n", |
| 1602 | name); |
| 1603 | ctxt->nbErrors++; |
| 1604 | return; |
| 1605 | } |
| 1606 | if (grammar->defs != NULL) { |
| 1607 | def = xmlHashLookup(grammar->defs, name); |
| 1608 | if (def != NULL) { |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 1609 | cur = ref; |
| 1610 | while (cur != NULL) { |
| 1611 | cur->content = def; |
| 1612 | cur = cur->nextHash; |
| 1613 | } |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1614 | } else { |
| 1615 | TODO |
| 1616 | } |
| 1617 | } |
| 1618 | /* |
| 1619 | * TODO: make a closure and verify there is no loop ! |
| 1620 | */ |
| 1621 | } |
| 1622 | |
| 1623 | /** |
| 1624 | * xmlRelaxNGCheckCombine: |
| 1625 | * @define: the define(s) list |
| 1626 | * @ctxt: a Relax-NG parser context |
| 1627 | * @name: the name associated to the defines |
| 1628 | * |
| 1629 | * Applies the 4.17. combine attribute rule for all the define |
| 1630 | * element of a given grammar using the same name. |
| 1631 | */ |
| 1632 | static void |
| 1633 | xmlRelaxNGCheckCombine(xmlRelaxNGDefinePtr define, |
| 1634 | xmlRelaxNGParserCtxtPtr ctxt, const xmlChar *name) { |
| 1635 | xmlChar *combine; |
| 1636 | int choiceOrInterleave = -1; |
| 1637 | int missing = 0; |
| 1638 | xmlRelaxNGDefinePtr cur, last, tmp, tmp2; |
| 1639 | |
| 1640 | if (define->nextHash == NULL) |
| 1641 | return; |
| 1642 | cur = define; |
| 1643 | while (cur != NULL) { |
| 1644 | combine = xmlGetProp(cur->node, BAD_CAST "combine"); |
| 1645 | if (combine != NULL) { |
| 1646 | if (xmlStrEqual(combine, BAD_CAST "choice")) { |
| 1647 | if (choiceOrInterleave == -1) |
| 1648 | choiceOrInterleave = 1; |
| 1649 | else if (choiceOrInterleave == 0) { |
| 1650 | if (ctxt->error != NULL) |
| 1651 | ctxt->error(ctxt->userData, |
| 1652 | "Defines for %s use both 'choice' and 'interleave'\n", |
| 1653 | name); |
| 1654 | ctxt->nbErrors++; |
| 1655 | } |
| 1656 | } else if (xmlStrEqual(combine, BAD_CAST "choice")) { |
| 1657 | if (choiceOrInterleave == -1) |
| 1658 | choiceOrInterleave = 0; |
| 1659 | else if (choiceOrInterleave == 1) { |
| 1660 | if (ctxt->error != NULL) |
| 1661 | ctxt->error(ctxt->userData, |
| 1662 | "Defines for %s use both 'choice' and 'interleave'\n", |
| 1663 | name); |
| 1664 | ctxt->nbErrors++; |
| 1665 | } |
| 1666 | } else { |
| 1667 | if (ctxt->error != NULL) |
| 1668 | ctxt->error(ctxt->userData, |
| 1669 | "Defines for %s use unknown combine value '%s''\n", |
| 1670 | name, combine); |
| 1671 | ctxt->nbErrors++; |
| 1672 | } |
| 1673 | xmlFree(combine); |
| 1674 | } else { |
| 1675 | if (missing == 0) |
| 1676 | missing = 1; |
| 1677 | else { |
| 1678 | if (ctxt->error != NULL) |
| 1679 | ctxt->error(ctxt->userData, |
| 1680 | "Some defines for %s lacks the combine attribute\n", |
| 1681 | name); |
| 1682 | ctxt->nbErrors++; |
| 1683 | } |
| 1684 | } |
| 1685 | |
| 1686 | cur = cur->nextHash; |
| 1687 | } |
| 1688 | #ifdef DEBUG |
| 1689 | xmlGenericError(xmlGenericErrorContext, |
| 1690 | "xmlRelaxNGCheckCombine(): merging %s defines: %d\n", |
| 1691 | name, choiceOrInterleave); |
| 1692 | #endif |
| 1693 | if (choiceOrInterleave == -1) |
| 1694 | choiceOrInterleave = 0; |
| 1695 | cur = xmlRelaxNGNewDefine(ctxt, define->node); |
| 1696 | if (cur == NULL) |
| 1697 | return; |
| 1698 | if (choiceOrInterleave == 0) |
| 1699 | cur->type = XML_RELAXNG_CHOICE; |
| 1700 | else |
| 1701 | cur->type = XML_RELAXNG_INTERLEAVE; |
| 1702 | tmp = define; |
| 1703 | last = NULL; |
| 1704 | while (tmp != NULL) { |
| 1705 | if (tmp->content != NULL) { |
| 1706 | if (tmp->content->next != NULL) { |
| 1707 | /* |
| 1708 | * we need first to create a wrapper. |
| 1709 | */ |
| 1710 | tmp2 = xmlRelaxNGNewDefine(ctxt, tmp->content->node); |
| 1711 | if (tmp2 == NULL) |
| 1712 | break; |
| 1713 | tmp2->type = XML_RELAXNG_GROUP; |
| 1714 | tmp2->content = tmp->content; |
| 1715 | } else { |
| 1716 | tmp2 = tmp->content; |
| 1717 | } |
| 1718 | if (last == NULL) { |
| 1719 | cur->content = tmp2; |
| 1720 | } else { |
| 1721 | last->next = tmp2; |
| 1722 | } |
| 1723 | last = tmp2; |
| 1724 | tmp->content = NULL; |
| 1725 | } |
| 1726 | tmp = tmp->nextHash; |
| 1727 | } |
| 1728 | define->content = cur; |
| 1729 | } |
| 1730 | |
| 1731 | /** |
| 1732 | * xmlRelaxNGCombineStart: |
| 1733 | * @ctxt: a Relax-NG parser context |
| 1734 | * @grammar: the grammar |
| 1735 | * |
| 1736 | * Applies the 4.17. combine rule for all the start |
| 1737 | * element of a given grammar. |
| 1738 | */ |
| 1739 | static void |
| 1740 | xmlRelaxNGCombineStart(xmlRelaxNGParserCtxtPtr ctxt, |
| 1741 | xmlRelaxNGGrammarPtr grammar) { |
| 1742 | xmlRelaxNGDefinePtr starts; |
| 1743 | xmlChar *combine; |
| 1744 | int choiceOrInterleave = -1; |
| 1745 | int missing = 0; |
| 1746 | xmlRelaxNGDefinePtr cur, last, tmp, tmp2; |
| 1747 | |
| 1748 | starts = grammar->start; |
| 1749 | if (starts->nextHash == NULL) |
| 1750 | return; |
| 1751 | cur = starts; |
| 1752 | while (cur != NULL) { |
| 1753 | combine = xmlGetProp(cur->node, BAD_CAST "combine"); |
| 1754 | if (combine != NULL) { |
| 1755 | if (xmlStrEqual(combine, BAD_CAST "choice")) { |
| 1756 | if (choiceOrInterleave == -1) |
| 1757 | choiceOrInterleave = 1; |
| 1758 | else if (choiceOrInterleave == 0) { |
| 1759 | if (ctxt->error != NULL) |
| 1760 | ctxt->error(ctxt->userData, |
| 1761 | "<start> use both 'choice' and 'interleave'\n"); |
| 1762 | ctxt->nbErrors++; |
| 1763 | } |
| 1764 | } else if (xmlStrEqual(combine, BAD_CAST "choice")) { |
| 1765 | if (choiceOrInterleave == -1) |
| 1766 | choiceOrInterleave = 0; |
| 1767 | else if (choiceOrInterleave == 1) { |
| 1768 | if (ctxt->error != NULL) |
| 1769 | ctxt->error(ctxt->userData, |
| 1770 | "<start> use both 'choice' and 'interleave'\n"); |
| 1771 | ctxt->nbErrors++; |
| 1772 | } |
| 1773 | } else { |
| 1774 | if (ctxt->error != NULL) |
| 1775 | ctxt->error(ctxt->userData, |
| 1776 | "<start> uses unknown combine value '%s''\n", combine); |
| 1777 | ctxt->nbErrors++; |
| 1778 | } |
| 1779 | xmlFree(combine); |
| 1780 | } else { |
| 1781 | if (missing == 0) |
| 1782 | missing = 1; |
| 1783 | else { |
| 1784 | if (ctxt->error != NULL) |
| 1785 | ctxt->error(ctxt->userData, |
| 1786 | "Some <start> elements lacks the combine attribute\n"); |
| 1787 | ctxt->nbErrors++; |
| 1788 | } |
| 1789 | } |
| 1790 | |
| 1791 | cur = cur->nextHash; |
| 1792 | } |
| 1793 | #ifdef DEBUG |
| 1794 | xmlGenericError(xmlGenericErrorContext, |
| 1795 | "xmlRelaxNGCombineStart(): merging <start>: %d\n", |
| 1796 | choiceOrInterleave); |
| 1797 | #endif |
| 1798 | if (choiceOrInterleave == -1) |
| 1799 | choiceOrInterleave = 0; |
| 1800 | cur = xmlRelaxNGNewDefine(ctxt, starts->node); |
| 1801 | if (cur == NULL) |
| 1802 | return; |
| 1803 | if (choiceOrInterleave == 0) |
| 1804 | cur->type = XML_RELAXNG_CHOICE; |
| 1805 | else |
| 1806 | cur->type = XML_RELAXNG_INTERLEAVE; |
| 1807 | tmp = starts; |
| 1808 | last = NULL; |
| 1809 | while (tmp != NULL) { |
| 1810 | if (tmp->content != NULL) { |
| 1811 | if (tmp->content->next != NULL) { |
| 1812 | /* |
| 1813 | * we need first to create a wrapper. |
| 1814 | */ |
| 1815 | tmp2 = xmlRelaxNGNewDefine(ctxt, tmp->content->node); |
| 1816 | if (tmp2 == NULL) |
| 1817 | break; |
| 1818 | tmp2->type = XML_RELAXNG_GROUP; |
| 1819 | tmp2->content = tmp->content; |
| 1820 | } else { |
| 1821 | tmp2 = tmp->content; |
| 1822 | } |
| 1823 | if (last == NULL) { |
| 1824 | cur->content = tmp2; |
| 1825 | } else { |
| 1826 | last->next = tmp2; |
| 1827 | } |
| 1828 | last = tmp2; |
| 1829 | tmp->content = NULL; |
| 1830 | } |
| 1831 | tmp = tmp->nextHash; |
| 1832 | } |
| 1833 | starts->content = cur; |
| 1834 | } |
| 1835 | |
| 1836 | /** |
| 1837 | * xmlRelaxNGParseGrammar: |
| 1838 | * @ctxt: a Relax-NG parser context |
| 1839 | * @nodes: grammar children nodes |
| 1840 | * |
| 1841 | * parse a Relax-NG <grammar> node |
| 1842 | * |
| 1843 | * Returns the internal xmlRelaxNGGrammarPtr built or |
| 1844 | * NULL in case of error |
| 1845 | */ |
| 1846 | static xmlRelaxNGGrammarPtr |
| 1847 | xmlRelaxNGParseGrammar(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr nodes) { |
| 1848 | xmlRelaxNGGrammarPtr ret, tmp, old; |
| 1849 | |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1850 | ret = xmlRelaxNGNewGrammar(ctxt); |
| 1851 | if (ret == NULL) |
| 1852 | return(NULL); |
| 1853 | |
| 1854 | /* |
| 1855 | * Link the new grammar in the tree |
| 1856 | */ |
| 1857 | ret->parent = ctxt->grammar; |
| 1858 | if (ctxt->grammar != NULL) { |
| 1859 | tmp = ctxt->grammar->children; |
| 1860 | if (tmp == NULL) { |
| 1861 | ctxt->grammar->children = ret; |
| 1862 | } else { |
| 1863 | while (tmp->next != NULL) |
| 1864 | tmp = tmp->next; |
| 1865 | tmp->next = ret; |
| 1866 | } |
| 1867 | } |
| 1868 | |
| 1869 | old = ctxt->grammar; |
| 1870 | ctxt->grammar = ret; |
| 1871 | xmlRelaxNGParseGrammarContent(ctxt, nodes); |
| 1872 | ctxt->grammar = ret; |
| 1873 | |
| 1874 | /* |
| 1875 | * Apply 4.17 mergingd rules to defines and starts |
| 1876 | */ |
| 1877 | xmlRelaxNGCombineStart(ctxt, ret); |
| 1878 | if (ret->defs != NULL) { |
| 1879 | xmlHashScan(ret->defs, (xmlHashScanner) xmlRelaxNGCheckCombine, |
| 1880 | ctxt); |
| 1881 | } |
| 1882 | |
| 1883 | /* |
| 1884 | * link together defines and refs in this grammar |
| 1885 | */ |
| 1886 | if (ret->refs != NULL) { |
| 1887 | xmlHashScan(ret->refs, (xmlHashScanner) xmlRelaxNGCheckReference, |
| 1888 | ctxt); |
| 1889 | } |
| 1890 | ctxt->grammar = old; |
| 1891 | return(ret); |
| 1892 | } |
| 1893 | |
| 1894 | /** |
| 1895 | * xmlRelaxNGParseDocument: |
| 1896 | * @ctxt: a Relax-NG parser context |
| 1897 | * @node: the root node of the RelaxNG schema |
| 1898 | * |
| 1899 | * parse a Relax-NG definition resource and build an internal |
| 1900 | * xmlRelaxNG struture which can be used to validate instances. |
| 1901 | * |
| 1902 | * Returns the internal XML RelaxNG structure built or |
| 1903 | * NULL in case of error |
| 1904 | */ |
| 1905 | static xmlRelaxNGPtr |
| 1906 | xmlRelaxNGParseDocument(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node) { |
| 1907 | xmlRelaxNGPtr schema = NULL; |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 1908 | const xmlChar *olddefine; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1909 | |
| 1910 | if ((ctxt == NULL) || (node == NULL)) |
| 1911 | return (NULL); |
| 1912 | |
| 1913 | schema = xmlRelaxNGNewRelaxNG(ctxt); |
| 1914 | if (schema == NULL) |
| 1915 | return(NULL); |
| 1916 | |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 1917 | olddefine = ctxt->define; |
| 1918 | ctxt->define = NULL; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1919 | if (IS_RELAXNG(node, "grammar")) { |
| 1920 | schema->topgrammar = xmlRelaxNGParseGrammar(ctxt, node->children); |
| 1921 | } else { |
| 1922 | schema->topgrammar = xmlRelaxNGNewGrammar(ctxt); |
| 1923 | if (schema->topgrammar == NULL) { |
| 1924 | return(schema); |
| 1925 | } |
| 1926 | schema->topgrammar->parent = NULL; |
| 1927 | ctxt->grammar = schema->topgrammar; |
| 1928 | xmlRelaxNGParseStart(ctxt, node); |
| 1929 | } |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 1930 | ctxt->define = olddefine; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 1931 | |
| 1932 | #ifdef DEBUG |
| 1933 | if (schema == NULL) |
| 1934 | xmlGenericError(xmlGenericErrorContext, |
| 1935 | "xmlRelaxNGParseDocument() failed\n"); |
| 1936 | #endif |
| 1937 | |
| 1938 | return (schema); |
| 1939 | } |
| 1940 | |
| 1941 | /************************************************************************ |
| 1942 | * * |
| 1943 | * Reading RelaxNGs * |
| 1944 | * * |
| 1945 | ************************************************************************/ |
| 1946 | |
| 1947 | /** |
| 1948 | * xmlRelaxNGNewParserCtxt: |
| 1949 | * @URL: the location of the schema |
| 1950 | * |
| 1951 | * Create an XML RelaxNGs parse context for that file/resource expected |
| 1952 | * to contain an XML RelaxNGs file. |
| 1953 | * |
| 1954 | * Returns the parser context or NULL in case of error |
| 1955 | */ |
| 1956 | xmlRelaxNGParserCtxtPtr |
| 1957 | xmlRelaxNGNewParserCtxt(const char *URL) { |
| 1958 | xmlRelaxNGParserCtxtPtr ret; |
| 1959 | |
| 1960 | if (URL == NULL) |
| 1961 | return(NULL); |
| 1962 | |
| 1963 | ret = (xmlRelaxNGParserCtxtPtr) xmlMalloc(sizeof(xmlRelaxNGParserCtxt)); |
| 1964 | if (ret == NULL) { |
| 1965 | xmlGenericError(xmlGenericErrorContext, |
| 1966 | "Failed to allocate new schama parser context for %s\n", URL); |
| 1967 | return (NULL); |
| 1968 | } |
| 1969 | memset(ret, 0, sizeof(xmlRelaxNGParserCtxt)); |
| 1970 | ret->URL = xmlStrdup((const xmlChar *)URL); |
| 1971 | return (ret); |
| 1972 | } |
| 1973 | |
| 1974 | /** |
| 1975 | * xmlRelaxNGNewMemParserCtxt: |
| 1976 | * @buffer: a pointer to a char array containing the schemas |
| 1977 | * @size: the size of the array |
| 1978 | * |
| 1979 | * Create an XML RelaxNGs parse context for that memory buffer expected |
| 1980 | * to contain an XML RelaxNGs file. |
| 1981 | * |
| 1982 | * Returns the parser context or NULL in case of error |
| 1983 | */ |
| 1984 | xmlRelaxNGParserCtxtPtr |
| 1985 | xmlRelaxNGNewMemParserCtxt(const char *buffer, int size) { |
| 1986 | xmlRelaxNGParserCtxtPtr ret; |
| 1987 | |
| 1988 | if ((buffer == NULL) || (size <= 0)) |
| 1989 | return(NULL); |
| 1990 | |
| 1991 | ret = (xmlRelaxNGParserCtxtPtr) xmlMalloc(sizeof(xmlRelaxNGParserCtxt)); |
| 1992 | if (ret == NULL) { |
| 1993 | xmlGenericError(xmlGenericErrorContext, |
| 1994 | "Failed to allocate new schama parser context\n"); |
| 1995 | return (NULL); |
| 1996 | } |
| 1997 | memset(ret, 0, sizeof(xmlRelaxNGParserCtxt)); |
| 1998 | ret->buffer = buffer; |
| 1999 | ret->size = size; |
| 2000 | return (ret); |
| 2001 | } |
| 2002 | |
| 2003 | /** |
| 2004 | * xmlRelaxNGFreeParserCtxt: |
| 2005 | * @ctxt: the schema parser context |
| 2006 | * |
| 2007 | * Free the resources associated to the schema parser context |
| 2008 | */ |
| 2009 | void |
| 2010 | xmlRelaxNGFreeParserCtxt(xmlRelaxNGParserCtxtPtr ctxt) { |
| 2011 | if (ctxt == NULL) |
| 2012 | return; |
| 2013 | if (ctxt->URL != NULL) |
| 2014 | xmlFree(ctxt->URL); |
| 2015 | if (ctxt->doc != NULL) |
| 2016 | xmlFreeDoc(ctxt->doc); |
| 2017 | xmlFree(ctxt); |
| 2018 | } |
| 2019 | |
| 2020 | |
| 2021 | /** |
| 2022 | * xmlRelaxNGParse: |
| 2023 | * @ctxt: a Relax-NG validation context |
| 2024 | * |
| 2025 | * parse a schema definition resource and build an internal |
| 2026 | * XML Shema struture which can be used to validate instances. |
| 2027 | * *WARNING* this interface is highly subject to change |
| 2028 | * |
| 2029 | * Returns the internal XML RelaxNG structure built from the resource or |
| 2030 | * NULL in case of error |
| 2031 | */ |
| 2032 | xmlRelaxNGPtr |
| 2033 | xmlRelaxNGParse(xmlRelaxNGParserCtxtPtr ctxt) |
| 2034 | { |
| 2035 | xmlRelaxNGPtr ret = NULL; |
| 2036 | xmlDocPtr doc; |
| 2037 | xmlNodePtr root, cur, delete; |
| 2038 | |
| 2039 | xmlRelaxNGInitTypes(); |
| 2040 | |
| 2041 | if (ctxt == NULL) |
| 2042 | return (NULL); |
| 2043 | |
| 2044 | /* |
| 2045 | * First step is to parse the input document into an DOM/Infoset |
| 2046 | */ |
| 2047 | if (ctxt->URL != NULL) { |
| 2048 | doc = xmlParseFile((const char *) ctxt->URL); |
| 2049 | if (doc == NULL) { |
| 2050 | if (ctxt->error != NULL) |
| 2051 | ctxt->error(ctxt->userData, |
| 2052 | "xmlRelaxNGParse: could not load %s\n", ctxt->URL); |
| 2053 | ctxt->nbErrors++; |
| 2054 | return (NULL); |
| 2055 | } |
| 2056 | } else if (ctxt->buffer != NULL) { |
| 2057 | doc = xmlParseMemory(ctxt->buffer, ctxt->size); |
| 2058 | if (doc == NULL) { |
| 2059 | if (ctxt->error != NULL) |
| 2060 | ctxt->error(ctxt->userData, |
| 2061 | "xmlRelaxNGParse: could not parse schemas\n"); |
| 2062 | ctxt->nbErrors++; |
| 2063 | return (NULL); |
| 2064 | } |
| 2065 | doc->URL = xmlStrdup(BAD_CAST "in_memory_buffer"); |
| 2066 | ctxt->URL = xmlStrdup(BAD_CAST "in_memory_buffer"); |
| 2067 | } else { |
| 2068 | if (ctxt->error != NULL) |
| 2069 | ctxt->error(ctxt->userData, |
| 2070 | "xmlRelaxNGParse: nothing to parse\n"); |
| 2071 | ctxt->nbErrors++; |
| 2072 | return (NULL); |
| 2073 | } |
| 2074 | ctxt->doc = doc; |
| 2075 | |
| 2076 | /* |
| 2077 | * Then extract the root and RelaxNG parse it |
| 2078 | */ |
| 2079 | root = xmlDocGetRootElement(doc); |
| 2080 | if (root == NULL) { |
| 2081 | if (ctxt->error != NULL) |
| 2082 | ctxt->error(ctxt->userData, "xmlRelaxNGParse: %s is empty\n", |
| 2083 | ctxt->URL); |
| 2084 | ctxt->nbErrors++; |
| 2085 | return (NULL); |
| 2086 | } |
| 2087 | |
| 2088 | /* |
| 2089 | * Remove all the blank text nodes |
| 2090 | */ |
| 2091 | delete = NULL; |
| 2092 | cur = root; |
| 2093 | while (cur != NULL) { |
| 2094 | if (delete != NULL) { |
| 2095 | xmlUnlinkNode(delete); |
| 2096 | xmlFreeNode(delete); |
| 2097 | delete = NULL; |
| 2098 | } |
| 2099 | if (cur->type == XML_ELEMENT_NODE) { |
| 2100 | /* |
| 2101 | * Simplification 4.1. Annotations |
| 2102 | */ |
| 2103 | if ((cur->ns == NULL) || |
| 2104 | (!xmlStrEqual(cur->ns->href, xmlRelaxNGNs))) { |
| 2105 | delete = cur; |
| 2106 | goto skip_children; |
| 2107 | } else { |
| 2108 | if (xmlStrEqual(cur->name, BAD_CAST "externalRef")) { |
| 2109 | TODO |
| 2110 | } else if (xmlStrEqual(cur->name, BAD_CAST "include")) { |
| 2111 | TODO |
| 2112 | } else if ((xmlStrEqual(cur->name, BAD_CAST "element")) || |
| 2113 | (xmlStrEqual(cur->name, BAD_CAST "attribute"))) { |
| 2114 | xmlChar *name; |
| 2115 | xmlNodePtr text = NULL; |
| 2116 | |
| 2117 | /* |
| 2118 | * Simplification 4.8. name attribute of element |
| 2119 | * and attribute elements |
| 2120 | */ |
| 2121 | name = xmlGetProp(cur, BAD_CAST "name"); |
| 2122 | if (name != NULL) { |
| 2123 | if (cur->children == NULL) { |
| 2124 | text = xmlNewChild(cur, cur->ns, BAD_CAST "name", |
| 2125 | name); |
| 2126 | } else { |
| 2127 | xmlNodePtr node; |
| 2128 | node = xmlNewNode(cur->ns, BAD_CAST "name"); |
| 2129 | if (node != NULL) { |
| 2130 | xmlAddPrevSibling(cur->children, node); |
| 2131 | text = xmlNewText(name); |
| 2132 | xmlAddChild(node, text); |
| 2133 | text = node; |
| 2134 | } |
| 2135 | } |
| 2136 | xmlUnsetProp(cur, BAD_CAST "name"); |
| 2137 | xmlFree(name); |
| 2138 | } |
| 2139 | if (xmlStrEqual(cur->name, BAD_CAST "attribute")) { |
| 2140 | if (text == NULL) { |
| 2141 | text = cur->children; |
| 2142 | while (text != NULL) { |
| 2143 | if ((text->type == XML_ELEMENT_NODE) && |
| 2144 | (xmlStrEqual(text->name, BAD_CAST "name"))) |
| 2145 | break; |
| 2146 | text = text->next; |
| 2147 | } |
| 2148 | } |
| 2149 | if (text == NULL) { |
| 2150 | if (ctxt->error != NULL) |
| 2151 | ctxt->error(ctxt->userData, |
| 2152 | "xmlRelaxNGParse: attribute without name\n"); |
| 2153 | ctxt->nbErrors++; |
| 2154 | } else { |
| 2155 | xmlSetProp(text, BAD_CAST "ns", BAD_CAST ""); |
| 2156 | } |
| 2157 | } |
| 2158 | } else if ((xmlStrEqual(cur->name, BAD_CAST "name")) || |
| 2159 | (xmlStrEqual(cur->name, BAD_CAST "nsName")) || |
| 2160 | (xmlStrEqual(cur->name, BAD_CAST "value"))) { |
| 2161 | /* |
| 2162 | * Simplification 4.8. name attribute of element |
| 2163 | * and attribute elements |
| 2164 | */ |
| 2165 | if (xmlHasProp(cur, BAD_CAST "ns") == NULL) { |
| 2166 | xmlNodePtr node; |
| 2167 | xmlChar *ns = NULL; |
| 2168 | |
| 2169 | node = cur->parent; |
| 2170 | while ((node != NULL) && |
| 2171 | (node->type == XML_ELEMENT_NODE)) { |
| 2172 | ns = xmlGetProp(node, BAD_CAST "ns"); |
| 2173 | if (ns != NULL) { |
| 2174 | break; |
| 2175 | } |
| 2176 | node = node->parent; |
| 2177 | } |
| 2178 | if (ns == NULL) { |
| 2179 | xmlSetProp(cur, BAD_CAST "ns", BAD_CAST ""); |
| 2180 | } else { |
| 2181 | xmlSetProp(cur, BAD_CAST "ns", ns); |
| 2182 | xmlFree(ns); |
| 2183 | } |
| 2184 | } |
| 2185 | if (xmlStrEqual(cur->name, BAD_CAST "name")) { |
| 2186 | xmlChar *name, *local, *prefix; |
| 2187 | |
| 2188 | /* |
| 2189 | * Simplification: 4.10. QNames |
| 2190 | */ |
| 2191 | name = xmlNodeGetContent(cur); |
| 2192 | if (name != NULL) { |
| 2193 | local = xmlSplitQName2(name, &prefix); |
| 2194 | if (local != NULL) { |
| 2195 | xmlNsPtr ns; |
| 2196 | |
| 2197 | ns = xmlSearchNs(cur->doc, cur, prefix); |
| 2198 | if (ns == NULL) { |
| 2199 | if (ctxt->error != NULL) |
| 2200 | ctxt->error(ctxt->userData, |
| 2201 | "xmlRelaxNGParse: no namespace for prefix %s\n", prefix); |
| 2202 | ctxt->nbErrors++; |
| 2203 | } else { |
| 2204 | xmlSetProp(cur, BAD_CAST "ns", ns->href); |
| 2205 | xmlNodeSetContent(cur, local); |
| 2206 | } |
| 2207 | xmlFree(local); |
| 2208 | xmlFree(prefix); |
| 2209 | } |
| 2210 | xmlFree(name); |
| 2211 | } |
| 2212 | } |
| 2213 | } |
| 2214 | } |
| 2215 | } |
| 2216 | /* |
| 2217 | * Simplification 4.2 whitespaces |
| 2218 | */ |
| 2219 | else if (cur->type == XML_TEXT_NODE) { |
| 2220 | if (IS_BLANK_NODE(cur)) { |
| 2221 | if (cur->parent->type == XML_ELEMENT_NODE) { |
| 2222 | if ((!xmlStrEqual(cur->parent->name, BAD_CAST "value")) && |
| 2223 | (!xmlStrEqual(cur->parent->name, BAD_CAST "param"))) |
| 2224 | delete = cur; |
| 2225 | } else { |
| 2226 | delete = cur; |
| 2227 | goto skip_children; |
| 2228 | } |
| 2229 | } |
| 2230 | } else if (cur->type != XML_CDATA_SECTION_NODE) { |
| 2231 | delete = cur; |
| 2232 | goto skip_children; |
| 2233 | } |
| 2234 | |
| 2235 | /* |
| 2236 | * Skip to next node |
| 2237 | */ |
| 2238 | if (cur->children != NULL) { |
| 2239 | if ((cur->children->type != XML_ENTITY_DECL) && |
| 2240 | (cur->children->type != XML_ENTITY_REF_NODE) && |
| 2241 | (cur->children->type != XML_ENTITY_NODE)) { |
| 2242 | cur = cur->children; |
| 2243 | continue; |
| 2244 | } |
| 2245 | } |
| 2246 | skip_children: |
| 2247 | if (cur->next != NULL) { |
| 2248 | cur = cur->next; |
| 2249 | continue; |
| 2250 | } |
| 2251 | |
| 2252 | do { |
| 2253 | cur = cur->parent; |
| 2254 | if (cur == NULL) |
| 2255 | break; |
| 2256 | if (cur == root) { |
| 2257 | cur = NULL; |
| 2258 | break; |
| 2259 | } |
| 2260 | if (cur->next != NULL) { |
| 2261 | cur = cur->next; |
| 2262 | break; |
| 2263 | } |
| 2264 | } while (cur != NULL); |
| 2265 | } |
| 2266 | if (delete != NULL) { |
| 2267 | xmlUnlinkNode(delete); |
| 2268 | xmlFreeNode(delete); |
| 2269 | delete = NULL; |
| 2270 | } |
| 2271 | |
| 2272 | /* |
| 2273 | * Then do the parsing for good |
| 2274 | */ |
| 2275 | root = xmlDocGetRootElement(doc); |
| 2276 | if (root == NULL) { |
| 2277 | if (ctxt->error != NULL) |
| 2278 | ctxt->error(ctxt->userData, "xmlRelaxNGParse: %s is empty\n", |
| 2279 | ctxt->URL); |
| 2280 | ctxt->nbErrors++; |
| 2281 | return (NULL); |
| 2282 | } |
| 2283 | ret = xmlRelaxNGParseDocument(ctxt, root); |
| 2284 | if (ret == NULL) |
| 2285 | return(NULL); |
| 2286 | |
| 2287 | /* |
| 2288 | * Check the ref/defines links |
| 2289 | */ |
| 2290 | |
| 2291 | /* |
| 2292 | * if there was a parsing error return NULL |
| 2293 | */ |
| 2294 | if (ctxt->nbErrors > 0) { |
| 2295 | xmlRelaxNGFree(ret); |
| 2296 | return(NULL); |
| 2297 | } |
| 2298 | |
| 2299 | /* |
| 2300 | * Transfer the pointer for cleanup at the schema level. |
| 2301 | */ |
| 2302 | ret->doc = doc; |
| 2303 | ctxt->doc = NULL; |
| 2304 | |
| 2305 | return (ret); |
| 2306 | } |
| 2307 | |
| 2308 | /** |
| 2309 | * xmlRelaxNGSetParserErrors: |
| 2310 | * @ctxt: a Relax-NG validation context |
| 2311 | * @err: the error callback |
| 2312 | * @warn: the warning callback |
| 2313 | * @ctx: contextual data for the callbacks |
| 2314 | * |
| 2315 | * Set the callback functions used to handle errors for a validation context |
| 2316 | */ |
| 2317 | void |
| 2318 | xmlRelaxNGSetParserErrors(xmlRelaxNGParserCtxtPtr ctxt, |
| 2319 | xmlRelaxNGValidityErrorFunc err, |
| 2320 | xmlRelaxNGValidityWarningFunc warn, void *ctx) { |
| 2321 | if (ctxt == NULL) |
| 2322 | return; |
| 2323 | ctxt->error = err; |
| 2324 | ctxt->warning = warn; |
| 2325 | ctxt->userData = ctx; |
| 2326 | } |
| 2327 | /************************************************************************ |
| 2328 | * * |
| 2329 | * Dump back a compiled form * |
| 2330 | * * |
| 2331 | ************************************************************************/ |
| 2332 | static void xmlRelaxNGDumpDefine(FILE * output, xmlRelaxNGDefinePtr define); |
| 2333 | |
| 2334 | /** |
| 2335 | * xmlRelaxNGDumpDefines: |
| 2336 | * @output: the file output |
| 2337 | * @defines: a list of define structures |
| 2338 | * |
| 2339 | * Dump a RelaxNG structure back |
| 2340 | */ |
| 2341 | static void |
| 2342 | xmlRelaxNGDumpDefines(FILE * output, xmlRelaxNGDefinePtr defines) { |
| 2343 | while (defines != NULL) { |
| 2344 | xmlRelaxNGDumpDefine(output, defines); |
| 2345 | defines = defines->next; |
| 2346 | } |
| 2347 | } |
| 2348 | |
| 2349 | /** |
| 2350 | * xmlRelaxNGDumpDefine: |
| 2351 | * @output: the file output |
| 2352 | * @define: a define structure |
| 2353 | * |
| 2354 | * Dump a RelaxNG structure back |
| 2355 | */ |
| 2356 | static void |
| 2357 | xmlRelaxNGDumpDefine(FILE * output, xmlRelaxNGDefinePtr define) { |
| 2358 | if (define == NULL) |
| 2359 | return; |
| 2360 | switch(define->type) { |
| 2361 | case XML_RELAXNG_EMPTY: |
| 2362 | fprintf(output, "<empty/>\n"); |
| 2363 | break; |
| 2364 | case XML_RELAXNG_NOT_ALLOWED: |
| 2365 | fprintf(output, "<notAllowed/>\n"); |
| 2366 | break; |
| 2367 | case XML_RELAXNG_TEXT: |
| 2368 | fprintf(output, "<text/>\n"); |
| 2369 | break; |
| 2370 | case XML_RELAXNG_ELEMENT: |
| 2371 | fprintf(output, "<element>\n"); |
| 2372 | if (define->name != NULL) { |
| 2373 | fprintf(output, "<name"); |
| 2374 | if (define->ns != NULL) |
| 2375 | fprintf(output, " ns=\"%s\"", define->ns); |
| 2376 | fprintf(output, ">%s</name>\n", define->name); |
| 2377 | } |
| 2378 | xmlRelaxNGDumpDefines(output, define->attrs); |
| 2379 | xmlRelaxNGDumpDefines(output, define->content); |
| 2380 | fprintf(output, "</element>\n"); |
| 2381 | break; |
| 2382 | case XML_RELAXNG_LIST: |
| 2383 | fprintf(output, "<list>\n"); |
| 2384 | xmlRelaxNGDumpDefines(output, define->content); |
| 2385 | fprintf(output, "</list>\n"); |
| 2386 | break; |
| 2387 | case XML_RELAXNG_ONEORMORE: |
| 2388 | fprintf(output, "<oneOrMore>\n"); |
| 2389 | xmlRelaxNGDumpDefines(output, define->content); |
| 2390 | fprintf(output, "</oneOrMore>\n"); |
| 2391 | break; |
| 2392 | case XML_RELAXNG_ZEROORMORE: |
| 2393 | fprintf(output, "<zeroOrMore>\n"); |
| 2394 | xmlRelaxNGDumpDefines(output, define->content); |
| 2395 | fprintf(output, "</zeroOrMore>\n"); |
| 2396 | break; |
| 2397 | case XML_RELAXNG_CHOICE: |
| 2398 | fprintf(output, "<choice>\n"); |
| 2399 | xmlRelaxNGDumpDefines(output, define->content); |
| 2400 | fprintf(output, "</choice>\n"); |
| 2401 | break; |
| 2402 | case XML_RELAXNG_GROUP: |
| 2403 | fprintf(output, "<group>\n"); |
| 2404 | xmlRelaxNGDumpDefines(output, define->content); |
| 2405 | fprintf(output, "</group>\n"); |
| 2406 | break; |
| 2407 | case XML_RELAXNG_INTERLEAVE: |
| 2408 | fprintf(output, "<interleave>\n"); |
| 2409 | xmlRelaxNGDumpDefines(output, define->content); |
| 2410 | fprintf(output, "</interleave>\n"); |
| 2411 | break; |
| 2412 | case XML_RELAXNG_OPTIONAL: |
| 2413 | fprintf(output, "<optional>\n"); |
| 2414 | xmlRelaxNGDumpDefines(output, define->content); |
| 2415 | fprintf(output, "</optional>\n"); |
| 2416 | break; |
| 2417 | case XML_RELAXNG_ATTRIBUTE: |
| 2418 | fprintf(output, "<attribute>\n"); |
| 2419 | xmlRelaxNGDumpDefines(output, define->content); |
| 2420 | fprintf(output, "</attribute>\n"); |
| 2421 | break; |
| 2422 | case XML_RELAXNG_DEF: |
| 2423 | fprintf(output, "<define"); |
| 2424 | if (define->name != NULL) |
| 2425 | fprintf(output, " name=\"%s\"", define->name); |
| 2426 | fprintf(output, ">\n"); |
| 2427 | xmlRelaxNGDumpDefines(output, define->content); |
| 2428 | fprintf(output, "</define>\n"); |
| 2429 | break; |
| 2430 | case XML_RELAXNG_REF: |
| 2431 | fprintf(output, "<ref"); |
| 2432 | if (define->name != NULL) |
| 2433 | fprintf(output, " name=\"%s\"", define->name); |
| 2434 | fprintf(output, ">\n"); |
| 2435 | xmlRelaxNGDumpDefines(output, define->content); |
| 2436 | fprintf(output, "</ref>\n"); |
| 2437 | break; |
| 2438 | case XML_RELAXNG_DATATYPE: |
| 2439 | case XML_RELAXNG_VALUE: |
| 2440 | TODO |
| 2441 | break; |
| 2442 | } |
| 2443 | } |
| 2444 | |
| 2445 | /** |
| 2446 | * xmlRelaxNGDumpGrammar: |
| 2447 | * @output: the file output |
| 2448 | * @grammar: a grammar structure |
| 2449 | * @top: is this a top grammar |
| 2450 | * |
| 2451 | * Dump a RelaxNG structure back |
| 2452 | */ |
| 2453 | static void |
| 2454 | xmlRelaxNGDumpGrammar(FILE * output, xmlRelaxNGGrammarPtr grammar, int top) |
| 2455 | { |
| 2456 | if (grammar == NULL) |
| 2457 | return; |
| 2458 | |
| 2459 | fprintf(output, "<grammar"); |
| 2460 | if (top) |
| 2461 | fprintf(output, |
| 2462 | " xmlns=\"http://relaxng.org/ns/structure/1.0\""); |
| 2463 | switch(grammar->combine) { |
| 2464 | case XML_RELAXNG_COMBINE_UNDEFINED: |
| 2465 | break; |
| 2466 | case XML_RELAXNG_COMBINE_CHOICE: |
| 2467 | fprintf(output, " combine=\"choice\""); |
| 2468 | break; |
| 2469 | case XML_RELAXNG_COMBINE_INTERLEAVE: |
| 2470 | fprintf(output, " combine=\"interleave\""); |
| 2471 | break; |
| 2472 | default: |
| 2473 | fprintf(output, " <!-- invalid combine value -->"); |
| 2474 | } |
| 2475 | fprintf(output, ">\n"); |
| 2476 | if (grammar->start == NULL) { |
| 2477 | fprintf(output, " <!-- grammar had no start -->"); |
| 2478 | } else { |
| 2479 | fprintf(output, "<start>\n"); |
| 2480 | xmlRelaxNGDumpDefine(output, grammar->start); |
| 2481 | fprintf(output, "</start>\n"); |
| 2482 | } |
| 2483 | /* TODO ? Dump the defines ? */ |
| 2484 | fprintf(output, "</grammar>\n"); |
| 2485 | } |
| 2486 | |
| 2487 | /** |
| 2488 | * xmlRelaxNGDump: |
| 2489 | * @output: the file output |
| 2490 | * @schema: a schema structure |
| 2491 | * |
| 2492 | * Dump a RelaxNG structure back |
| 2493 | */ |
| 2494 | void |
| 2495 | xmlRelaxNGDump(FILE * output, xmlRelaxNGPtr schema) |
| 2496 | { |
| 2497 | if (schema == NULL) { |
| 2498 | fprintf(output, "RelaxNG empty or failed to compile\n"); |
| 2499 | return; |
| 2500 | } |
| 2501 | fprintf(output, "RelaxNG: "); |
| 2502 | if (schema->doc == NULL) { |
| 2503 | fprintf(output, "no document\n"); |
| 2504 | } else if (schema->doc->URL != NULL) { |
| 2505 | fprintf(output, "%s\n", schema->doc->URL); |
| 2506 | } else { |
| 2507 | fprintf(output, "\n"); |
| 2508 | } |
| 2509 | if (schema->topgrammar == NULL) { |
| 2510 | fprintf(output, "RelaxNG has no top grammar\n"); |
| 2511 | return; |
| 2512 | } |
| 2513 | xmlRelaxNGDumpGrammar(output, schema->topgrammar, 1); |
| 2514 | } |
| 2515 | |
| 2516 | /************************************************************************ |
| 2517 | * * |
| 2518 | * Validation implementation * |
| 2519 | * * |
| 2520 | ************************************************************************/ |
| 2521 | static int xmlRelaxNGValidateDefinition(xmlRelaxNGValidCtxtPtr ctxt, |
| 2522 | xmlRelaxNGDefinePtr define); |
| 2523 | |
| 2524 | /** |
| 2525 | * xmlRelaxNGSkipIgnored: |
| 2526 | * @ctxt: a schema validation context |
| 2527 | * @node: the top node. |
| 2528 | * |
| 2529 | * Skip ignorable nodes in that context |
| 2530 | * |
| 2531 | * Returns the new sibling or NULL in case of error. |
| 2532 | */ |
| 2533 | static xmlNodePtr |
| 2534 | xmlRelaxNGSkipIgnored(xmlRelaxNGValidCtxtPtr ctxt ATTRIBUTE_UNUSED, |
| 2535 | xmlNodePtr node) { |
| 2536 | /* |
| 2537 | * TODO complete and handle entities |
| 2538 | */ |
| 2539 | while ((node != NULL) && |
| 2540 | ((node->type == XML_COMMENT_NODE) || |
| 2541 | ((node->type == XML_TEXT_NODE) && |
| 2542 | (IS_BLANK_NODE(node))))) { |
| 2543 | node = node->next; |
| 2544 | } |
| 2545 | return(node); |
| 2546 | } |
| 2547 | |
| 2548 | /** |
Daniel Veillard | dd1655c | 2003-01-25 18:01:32 +0000 | [diff] [blame^] | 2549 | * xmlRelaxNGValidateDatatype: |
| 2550 | * @ctxt: a Relax-NG validation context |
| 2551 | * @value: the string value |
| 2552 | * @type: the datatype definition |
| 2553 | * |
| 2554 | * Validate the given value against the dataype |
| 2555 | * |
| 2556 | * Returns 0 if the validation succeeded or an error code. |
| 2557 | */ |
| 2558 | static int |
| 2559 | xmlRelaxNGValidateDatatype(xmlRelaxNGValidCtxtPtr ctxt, const xmlChar *value, |
| 2560 | xmlRelaxNGDefinePtr define) { |
| 2561 | int ret; |
| 2562 | xmlRelaxNGTypeLibraryPtr lib; |
| 2563 | |
| 2564 | if ((define == NULL) || (define->data == NULL)) { |
| 2565 | return(-1); |
| 2566 | } |
| 2567 | lib = (xmlRelaxNGTypeLibraryPtr) define->data; |
| 2568 | if (lib->check != NULL) |
| 2569 | ret = lib->check(lib->data, define->name, value); |
| 2570 | else |
| 2571 | ret = -1; |
| 2572 | if (ret < 0) { |
| 2573 | VALID_CTXT(); |
| 2574 | VALID_ERROR("Internal: failed to validate type %s\n", define->name); |
| 2575 | return(-1); |
| 2576 | } else if (ret == 1) { |
| 2577 | ret = 0; |
| 2578 | } else { |
| 2579 | VALID_CTXT(); |
| 2580 | VALID_ERROR("Type %s doesn't allow value %s\n", define->name, value); |
| 2581 | return(-1); |
| 2582 | ret = -1; |
| 2583 | } |
| 2584 | return(ret); |
| 2585 | } |
| 2586 | |
| 2587 | /** |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 2588 | * xmlRelaxNGValidateValue: |
| 2589 | * @ctxt: a Relax-NG validation context |
| 2590 | * @define: the definition to verify |
| 2591 | * |
| 2592 | * Validate the given definition for the current value |
| 2593 | * |
| 2594 | * Returns 0 if the validation succeeded or an error code. |
| 2595 | */ |
| 2596 | static int |
| 2597 | xmlRelaxNGValidateValue(xmlRelaxNGValidCtxtPtr ctxt, |
| 2598 | xmlRelaxNGDefinePtr define) { |
| 2599 | int ret = 0; |
| 2600 | xmlChar *value; |
| 2601 | |
| 2602 | value = ctxt->state->value; |
| 2603 | switch (define->type) { |
| 2604 | case XML_RELAXNG_EMPTY: |
| 2605 | if ((value != NULL) && (value[0] != '0')) |
| 2606 | ret = -1; |
| 2607 | break; |
| 2608 | case XML_RELAXNG_TEXT: |
| 2609 | break; |
| 2610 | default: |
| 2611 | TODO |
| 2612 | ret = -1; |
| 2613 | } |
| 2614 | return(ret); |
| 2615 | } |
| 2616 | |
| 2617 | /** |
| 2618 | * xmlRelaxNGValidateValueContent: |
| 2619 | * @ctxt: a Relax-NG validation context |
| 2620 | * @defines: the list of definitions to verify |
| 2621 | * |
| 2622 | * Validate the given definitions for the current value |
| 2623 | * |
| 2624 | * Returns 0 if the validation succeeded or an error code. |
| 2625 | */ |
| 2626 | static int |
| 2627 | xmlRelaxNGValidateValueContent(xmlRelaxNGValidCtxtPtr ctxt, |
| 2628 | xmlRelaxNGDefinePtr defines) { |
| 2629 | int ret = 0; |
| 2630 | |
| 2631 | while (defines != NULL) { |
| 2632 | ret = xmlRelaxNGValidateValue(ctxt, defines); |
| 2633 | if (ret != 0) |
| 2634 | break; |
| 2635 | defines = defines->next; |
| 2636 | } |
| 2637 | return(ret); |
| 2638 | } |
| 2639 | |
| 2640 | /** |
| 2641 | * xmlRelaxNGValidateAttribute: |
| 2642 | * @ctxt: a Relax-NG validation context |
| 2643 | * @define: the definition to verify |
| 2644 | * |
| 2645 | * Validate the given attribute definition for that node |
| 2646 | * |
| 2647 | * Returns 0 if the validation succeeded or an error code. |
| 2648 | */ |
| 2649 | static int |
| 2650 | xmlRelaxNGValidateAttribute(xmlRelaxNGValidCtxtPtr ctxt, |
| 2651 | xmlRelaxNGDefinePtr define) { |
| 2652 | int ret = 0, i; |
| 2653 | xmlChar *value, *oldvalue; |
| 2654 | xmlAttrPtr prop = NULL, tmp; |
| 2655 | |
| 2656 | if (define->name != NULL) { |
| 2657 | for (i = 0;i < ctxt->state->nbAttrs;i++) { |
| 2658 | tmp = ctxt->state->attrs[i]; |
| 2659 | if ((tmp != NULL) && (xmlStrEqual(define->name, tmp->name))) { |
| 2660 | if ((((define->ns == NULL) || (define->ns[0] == 0)) && |
| 2661 | (tmp->ns == NULL)) || |
| 2662 | ((tmp->ns != NULL) && |
| 2663 | (xmlStrEqual(define->ns, tmp->ns->href)))) { |
| 2664 | prop = tmp; |
| 2665 | break; |
| 2666 | } |
| 2667 | } |
| 2668 | } |
| 2669 | if (prop != NULL) { |
| 2670 | value = xmlNodeListGetString(prop->doc, prop->children, 1); |
| 2671 | oldvalue = ctxt->state->value; |
| 2672 | ctxt->state->value = value; |
| 2673 | ret = xmlRelaxNGValidateValueContent(ctxt, define->content); |
| 2674 | value = ctxt->state->value; |
| 2675 | ctxt->state->value = oldvalue; |
| 2676 | if (value != NULL) |
| 2677 | xmlFree(value); |
| 2678 | if (ret == 0) { |
| 2679 | /* |
| 2680 | * flag the attribute as processed |
| 2681 | */ |
| 2682 | ctxt->state->attrs[i] = NULL; |
| 2683 | } |
| 2684 | } else { |
| 2685 | ret = -1; |
| 2686 | } |
| 2687 | #ifdef DEBUG |
| 2688 | xmlGenericError(xmlGenericErrorContext, |
| 2689 | "xmlRelaxNGValidateAttribute(%s): %d\n", define->name, ret); |
| 2690 | #endif |
| 2691 | } else { |
| 2692 | TODO |
| 2693 | } |
| 2694 | |
| 2695 | return(ret); |
| 2696 | } |
| 2697 | |
| 2698 | /** |
| 2699 | * xmlRelaxNGValidateAttributeList: |
| 2700 | * @ctxt: a Relax-NG validation context |
| 2701 | * @define: the list of definition to verify |
| 2702 | * |
| 2703 | * Validate the given node against the list of attribute definitions |
| 2704 | * |
| 2705 | * Returns 0 if the validation succeeded or an error code. |
| 2706 | */ |
| 2707 | static int |
| 2708 | xmlRelaxNGValidateAttributeList(xmlRelaxNGValidCtxtPtr ctxt, |
| 2709 | xmlRelaxNGDefinePtr defines) { |
| 2710 | int ret = 0; |
| 2711 | while (defines != NULL) { |
| 2712 | if (xmlRelaxNGValidateAttribute(ctxt, defines) != 0) |
| 2713 | ret = -1; |
| 2714 | defines = defines->next; |
| 2715 | } |
| 2716 | return(ret); |
| 2717 | } |
| 2718 | |
| 2719 | /** |
| 2720 | * xmlRelaxNGValidateElementContent: |
| 2721 | * @ctxt: a Relax-NG validation context |
| 2722 | * @define: the list of definition to verify |
| 2723 | * |
| 2724 | * Validate the given node content against the (list) of definitions |
| 2725 | * |
| 2726 | * Returns 0 if the validation succeeded or an error code. |
| 2727 | */ |
| 2728 | static int |
| 2729 | xmlRelaxNGValidateElementContent(xmlRelaxNGValidCtxtPtr ctxt, |
| 2730 | xmlRelaxNGDefinePtr defines) { |
| 2731 | int ret = 0, res; |
| 2732 | |
| 2733 | if (ctxt->state == NULL) { |
| 2734 | VALID_CTXT(); |
| 2735 | VALID_ERROR("Internal: no state\n"); |
| 2736 | return(-1); |
| 2737 | } |
| 2738 | while (defines != NULL) { |
| 2739 | res = xmlRelaxNGValidateDefinition(ctxt, defines); |
| 2740 | if (res < 0) |
| 2741 | ret = -1; |
| 2742 | defines = defines->next; |
| 2743 | } |
| 2744 | |
| 2745 | return(ret); |
| 2746 | } |
| 2747 | |
| 2748 | /** |
| 2749 | * xmlRelaxNGValidateDefinition: |
| 2750 | * @ctxt: a Relax-NG validation context |
| 2751 | * @define: the definition to verify |
| 2752 | * |
| 2753 | * Validate the current node against the definition |
| 2754 | * |
| 2755 | * Returns 0 if the validation succeeded or an error code. |
| 2756 | */ |
| 2757 | static int |
| 2758 | xmlRelaxNGValidateDefinition(xmlRelaxNGValidCtxtPtr ctxt, |
| 2759 | xmlRelaxNGDefinePtr define) { |
| 2760 | xmlNodePtr node; |
| 2761 | int ret = 0, i, tmp, oldflags; |
| 2762 | xmlRelaxNGValidStatePtr oldstate, state; |
| 2763 | |
| 2764 | if (define == NULL) { |
| 2765 | VALID_CTXT(); |
| 2766 | VALID_ERROR("internal error: define == NULL\n"); |
| 2767 | return(-1); |
| 2768 | } |
| 2769 | if (ctxt->state != NULL) { |
| 2770 | node = ctxt->state->seq; |
| 2771 | } else { |
| 2772 | node = NULL; |
| 2773 | } |
| 2774 | switch (define->type) { |
| 2775 | case XML_RELAXNG_EMPTY: |
| 2776 | if (node != NULL) { |
| 2777 | VALID_CTXT(); |
| 2778 | VALID_ERROR("Expecting an empty element\n"); |
| 2779 | return(-1); |
| 2780 | } |
| 2781 | #ifdef DEBUG |
| 2782 | xmlGenericError(xmlGenericErrorContext, |
| 2783 | "xmlRelaxNGValidateDefinition(): validated empty\n"); |
| 2784 | #endif |
| 2785 | return(0); |
| 2786 | case XML_RELAXNG_NOT_ALLOWED: |
| 2787 | TODO |
| 2788 | break; |
| 2789 | case XML_RELAXNG_TEXT: |
| 2790 | if (node == NULL) |
| 2791 | return(0); |
| 2792 | while ((node != NULL) && |
| 2793 | ((node->type == XML_TEXT_NODE) || |
| 2794 | (node->type == XML_CDATA_SECTION_NODE))) |
| 2795 | node = node->next; |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 2796 | if (node == ctxt->state->seq) { |
| 2797 | VALID_CTXT(); |
| 2798 | VALID_ERROR("Expecting text content\n"); |
| 2799 | ret = -1; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 2800 | } |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 2801 | ctxt->state->seq = node; |
| 2802 | break; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 2803 | case XML_RELAXNG_ELEMENT: |
| 2804 | node = xmlRelaxNGSkipIgnored(ctxt, node); |
| 2805 | if ((node == NULL) || (node->type != XML_ELEMENT_NODE)) { |
| 2806 | VALID_CTXT(); |
| 2807 | VALID_ERROR("Expecting an element\n"); |
| 2808 | return(-1); |
| 2809 | } |
| 2810 | if (define->name != NULL) { |
| 2811 | if (!xmlStrEqual(node->name, define->name)) { |
| 2812 | VALID_CTXT(); |
| 2813 | VALID_ERROR("Expecting element %s, got %s\n", |
| 2814 | define->name, node->name); |
| 2815 | return(-1); |
| 2816 | } |
| 2817 | } |
| 2818 | if ((define->ns != NULL) && (define->ns[0] != 0)) { |
| 2819 | if (node->ns == NULL) { |
| 2820 | VALID_CTXT(); |
| 2821 | VALID_ERROR("Expecting a namespace for element %s\n", |
| 2822 | node->name); |
| 2823 | return(-1); |
| 2824 | } else if (!xmlStrEqual(node->ns->href, define->ns)) { |
| 2825 | VALID_CTXT(); |
| 2826 | VALID_ERROR("Expecting element %s has wrong namespace: expecting %s\n", |
| 2827 | node->name, define->ns); |
| 2828 | return(-1); |
| 2829 | } |
| 2830 | } else { |
| 2831 | if (node->ns != NULL) { |
| 2832 | VALID_CTXT(); |
| 2833 | VALID_ERROR("Expecting no namespace for element %s\n", |
| 2834 | node->name); |
| 2835 | return(-1); |
| 2836 | } |
| 2837 | } |
| 2838 | |
| 2839 | state = xmlRelaxNGNewValidState(ctxt, node); |
| 2840 | if (state == NULL) { |
| 2841 | return(-1); |
| 2842 | } |
| 2843 | |
| 2844 | oldstate = ctxt->state; |
| 2845 | ctxt->state = state; |
| 2846 | if (define->attrs != NULL) { |
| 2847 | tmp = xmlRelaxNGValidateAttributeList(ctxt, define->attrs); |
| 2848 | if (tmp != 0) |
| 2849 | ret = -1; |
| 2850 | } |
| 2851 | if (define->content != NULL) { |
| 2852 | tmp = xmlRelaxNGValidateElementContent(ctxt, define->content); |
| 2853 | if (tmp != 0) |
| 2854 | ret = -1; |
| 2855 | } |
| 2856 | state = ctxt->state; |
| 2857 | if (state->seq != NULL) { |
| 2858 | state->seq = xmlRelaxNGSkipIgnored(ctxt, state->seq); |
| 2859 | if (state->seq != NULL) { |
| 2860 | VALID_CTXT(); |
| 2861 | VALID_ERROR("Extra content for element %s\n", |
| 2862 | node->name); |
| 2863 | ret = -1; |
| 2864 | } |
| 2865 | } |
| 2866 | for (i = 0;i < state->nbAttrs;i++) { |
| 2867 | if (state->attrs[i] != NULL) { |
| 2868 | VALID_CTXT(); |
| 2869 | VALID_ERROR("Extra attribute %s for element %s\n", |
| 2870 | state->attrs[i]->name, node->name); |
| 2871 | ret = -1; |
| 2872 | } |
| 2873 | } |
| 2874 | ctxt->state = oldstate; |
| 2875 | xmlRelaxNGFreeValidState(state); |
| 2876 | if (oldstate != NULL) |
| 2877 | oldstate->seq = node->next; |
| 2878 | |
| 2879 | |
| 2880 | #ifdef DEBUG |
| 2881 | xmlGenericError(xmlGenericErrorContext, |
| 2882 | "xmlRelaxNGValidateDefinition(): validated %s : %d\n", |
| 2883 | node->name, ret); |
| 2884 | #endif |
| 2885 | break; |
| 2886 | case XML_RELAXNG_LIST: |
| 2887 | TODO |
| 2888 | break; |
| 2889 | case XML_RELAXNG_OPTIONAL: |
| 2890 | oldflags = ctxt->flags; |
| 2891 | ctxt->flags |= FLAGS_IGNORABLE; |
| 2892 | oldstate = xmlRelaxNGCopyValidState(ctxt, ctxt->state); |
| 2893 | ret = xmlRelaxNGValidateDefinition(ctxt, define->content); |
| 2894 | if (ret != 0) { |
| 2895 | xmlRelaxNGFreeValidState(ctxt->state); |
| 2896 | ctxt->state = oldstate; |
| 2897 | ret = 0; |
| 2898 | break; |
| 2899 | } |
| 2900 | xmlRelaxNGFreeValidState(oldstate); |
| 2901 | ctxt->flags = oldflags; |
| 2902 | ret = 0; |
| 2903 | break; |
| 2904 | case XML_RELAXNG_ONEORMORE: |
| 2905 | ret = xmlRelaxNGValidateDefinition(ctxt, define->content); |
| 2906 | if (ret != 0) { |
| 2907 | break; |
| 2908 | } |
| 2909 | /* no break on purpose */ |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 2910 | case XML_RELAXNG_ZEROORMORE: { |
| 2911 | xmlNodePtr cur, temp; |
| 2912 | |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 2913 | oldflags = ctxt->flags; |
| 2914 | ctxt->flags |= FLAGS_IGNORABLE; |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 2915 | cur = ctxt->state->seq; |
| 2916 | temp = NULL; |
| 2917 | while ((cur != NULL) && (temp != cur)) { |
| 2918 | temp = cur; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 2919 | oldstate = xmlRelaxNGCopyValidState(ctxt, ctxt->state); |
| 2920 | ret = xmlRelaxNGValidateDefinition(ctxt, define->content); |
| 2921 | if (ret != 0) { |
| 2922 | xmlRelaxNGFreeValidState(ctxt->state); |
| 2923 | ctxt->state = oldstate; |
| 2924 | ret = 0; |
| 2925 | break; |
| 2926 | } |
| 2927 | xmlRelaxNGFreeValidState(oldstate); |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 2928 | cur = ctxt->state->seq; |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 2929 | } |
| 2930 | ctxt->flags = oldflags; |
| 2931 | break; |
Daniel Veillard | 276be4a | 2003-01-24 01:03:34 +0000 | [diff] [blame] | 2932 | } |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 2933 | case XML_RELAXNG_CHOICE: { |
| 2934 | xmlRelaxNGDefinePtr list = define->content; |
| 2935 | |
| 2936 | oldflags = ctxt->flags; |
| 2937 | ctxt->flags |= FLAGS_IGNORABLE; |
| 2938 | |
| 2939 | while (list != NULL) { |
| 2940 | oldstate = xmlRelaxNGCopyValidState(ctxt, ctxt->state); |
| 2941 | ret = xmlRelaxNGValidateDefinition(ctxt, list); |
| 2942 | if (ret == 0) { |
| 2943 | xmlRelaxNGFreeValidState(oldstate); |
| 2944 | break; |
| 2945 | } |
| 2946 | xmlRelaxNGFreeValidState(ctxt->state); |
| 2947 | ctxt->state = oldstate; |
| 2948 | list = list->next; |
| 2949 | } |
| 2950 | ctxt->flags = oldflags; |
| 2951 | break; |
| 2952 | } |
| 2953 | case XML_RELAXNG_GROUP: { |
| 2954 | xmlRelaxNGDefinePtr list = define->content; |
| 2955 | |
| 2956 | while (list != NULL) { |
| 2957 | ret = xmlRelaxNGValidateDefinition(ctxt, list); |
| 2958 | if (ret != 0) |
| 2959 | break; |
| 2960 | list = list->next; |
| 2961 | } |
| 2962 | break; |
| 2963 | } |
| 2964 | case XML_RELAXNG_INTERLEAVE: |
| 2965 | TODO |
| 2966 | break; |
| 2967 | case XML_RELAXNG_ATTRIBUTE: |
| 2968 | ret = xmlRelaxNGValidateAttribute(ctxt, define); |
| 2969 | break; |
| 2970 | case XML_RELAXNG_REF: |
| 2971 | ret = xmlRelaxNGValidateDefinition(ctxt, define->content); |
| 2972 | break; |
| 2973 | case XML_RELAXNG_DEF: |
| 2974 | ret = xmlRelaxNGValidateDefinition(ctxt, define->content); |
| 2975 | break; |
Daniel Veillard | dd1655c | 2003-01-25 18:01:32 +0000 | [diff] [blame^] | 2976 | case XML_RELAXNG_DATATYPE: { |
| 2977 | xmlChar *content; |
| 2978 | |
| 2979 | content = xmlNodeGetContent(node); |
| 2980 | ret = xmlRelaxNGValidateDatatype(ctxt, content, define); |
| 2981 | if (ret == -1) { |
| 2982 | VALID_CTXT(); |
| 2983 | VALID_ERROR("internal error validating %s\n", define->name); |
| 2984 | } else if (ret == 0) { |
| 2985 | ctxt->state->seq = node->next; |
| 2986 | } |
| 2987 | /* |
| 2988 | * TODO cover the problems with |
| 2989 | * <p>12<!-- comment -->34</p> |
| 2990 | * TODO detect full element coverage at compilation time. |
| 2991 | */ |
| 2992 | if ((node != NULL) && (node->next != NULL)) { |
| 2993 | VALID_CTXT(); |
| 2994 | VALID_ERROR("The data does not cover the full element %s\n", |
| 2995 | node->parent->name); |
| 2996 | ret = -1; |
| 2997 | } |
| 2998 | if (content != NULL) |
| 2999 | xmlFree(content); |
| 3000 | break; |
| 3001 | } |
Daniel Veillard | 6eadf63 | 2003-01-23 18:29:16 +0000 | [diff] [blame] | 3002 | case XML_RELAXNG_VALUE: |
| 3003 | TODO |
| 3004 | break; |
| 3005 | } |
| 3006 | return(ret); |
| 3007 | } |
| 3008 | |
| 3009 | /** |
| 3010 | * xmlRelaxNGValidateDocument: |
| 3011 | * @ctxt: a Relax-NG validation context |
| 3012 | * @doc: the document |
| 3013 | * |
| 3014 | * Validate the given document |
| 3015 | * |
| 3016 | * Returns 0 if the validation succeeded or an error code. |
| 3017 | */ |
| 3018 | static int |
| 3019 | xmlRelaxNGValidateDocument(xmlRelaxNGValidCtxtPtr ctxt, xmlDocPtr doc) { |
| 3020 | int ret; |
| 3021 | xmlRelaxNGPtr schema; |
| 3022 | xmlRelaxNGGrammarPtr grammar; |
| 3023 | xmlRelaxNGValidStatePtr state; |
| 3024 | |
| 3025 | if ((ctxt == NULL) || (ctxt->schema == NULL) || (doc == NULL)) |
| 3026 | return(-1); |
| 3027 | |
| 3028 | schema = ctxt->schema; |
| 3029 | grammar = schema->topgrammar; |
| 3030 | if (grammar == NULL) { |
| 3031 | VALID_CTXT(); |
| 3032 | VALID_ERROR("No top grammar defined\n"); |
| 3033 | return(-1); |
| 3034 | } |
| 3035 | state = xmlRelaxNGNewValidState(ctxt, NULL); |
| 3036 | ctxt->state = state; |
| 3037 | ret = xmlRelaxNGValidateDefinition(ctxt, grammar->start); |
| 3038 | state = ctxt->state; |
| 3039 | if ((state != NULL) && (state->seq != NULL)) { |
| 3040 | xmlNodePtr node; |
| 3041 | |
| 3042 | node = state->seq; |
| 3043 | node = xmlRelaxNGSkipIgnored(ctxt, node); |
| 3044 | if (node != NULL) { |
| 3045 | VALID_CTXT(); |
| 3046 | VALID_ERROR("extra data on the document\n"); |
| 3047 | ret = -1; |
| 3048 | } |
| 3049 | } |
| 3050 | xmlRelaxNGFreeValidState(state); |
| 3051 | |
| 3052 | return(ret); |
| 3053 | } |
| 3054 | |
| 3055 | /************************************************************************ |
| 3056 | * * |
| 3057 | * Validation interfaces * |
| 3058 | * * |
| 3059 | ************************************************************************/ |
| 3060 | /** |
| 3061 | * xmlRelaxNGNewValidCtxt: |
| 3062 | * @schema: a precompiled XML RelaxNGs |
| 3063 | * |
| 3064 | * Create an XML RelaxNGs validation context based on the given schema |
| 3065 | * |
| 3066 | * Returns the validation context or NULL in case of error |
| 3067 | */ |
| 3068 | xmlRelaxNGValidCtxtPtr |
| 3069 | xmlRelaxNGNewValidCtxt(xmlRelaxNGPtr schema) { |
| 3070 | xmlRelaxNGValidCtxtPtr ret; |
| 3071 | |
| 3072 | ret = (xmlRelaxNGValidCtxtPtr) xmlMalloc(sizeof(xmlRelaxNGValidCtxt)); |
| 3073 | if (ret == NULL) { |
| 3074 | xmlGenericError(xmlGenericErrorContext, |
| 3075 | "Failed to allocate new schama validation context\n"); |
| 3076 | return (NULL); |
| 3077 | } |
| 3078 | memset(ret, 0, sizeof(xmlRelaxNGValidCtxt)); |
| 3079 | ret->schema = schema; |
| 3080 | return (ret); |
| 3081 | } |
| 3082 | |
| 3083 | /** |
| 3084 | * xmlRelaxNGFreeValidCtxt: |
| 3085 | * @ctxt: the schema validation context |
| 3086 | * |
| 3087 | * Free the resources associated to the schema validation context |
| 3088 | */ |
| 3089 | void |
| 3090 | xmlRelaxNGFreeValidCtxt(xmlRelaxNGValidCtxtPtr ctxt) { |
| 3091 | if (ctxt == NULL) |
| 3092 | return; |
| 3093 | xmlFree(ctxt); |
| 3094 | } |
| 3095 | |
| 3096 | /** |
| 3097 | * xmlRelaxNGSetValidErrors: |
| 3098 | * @ctxt: a Relax-NG validation context |
| 3099 | * @err: the error function |
| 3100 | * @warn: the warning function |
| 3101 | * @ctx: the functions context |
| 3102 | * |
| 3103 | * Set the error and warning callback informations |
| 3104 | */ |
| 3105 | void |
| 3106 | xmlRelaxNGSetValidErrors(xmlRelaxNGValidCtxtPtr ctxt, |
| 3107 | xmlRelaxNGValidityErrorFunc err, |
| 3108 | xmlRelaxNGValidityWarningFunc warn, void *ctx) { |
| 3109 | if (ctxt == NULL) |
| 3110 | return; |
| 3111 | ctxt->error = err; |
| 3112 | ctxt->warning = warn; |
| 3113 | ctxt->userData = ctx; |
| 3114 | } |
| 3115 | |
| 3116 | /** |
| 3117 | * xmlRelaxNGValidateDoc: |
| 3118 | * @ctxt: a Relax-NG validation context |
| 3119 | * @doc: a parsed document tree |
| 3120 | * |
| 3121 | * Validate a document tree in memory. |
| 3122 | * |
| 3123 | * Returns 0 if the document is valid, a positive error code |
| 3124 | * number otherwise and -1 in case of internal or API error. |
| 3125 | */ |
| 3126 | int |
| 3127 | xmlRelaxNGValidateDoc(xmlRelaxNGValidCtxtPtr ctxt, xmlDocPtr doc) { |
| 3128 | int ret; |
| 3129 | |
| 3130 | if ((ctxt == NULL) || (doc == NULL)) |
| 3131 | return(-1); |
| 3132 | |
| 3133 | ctxt->doc = doc; |
| 3134 | |
| 3135 | ret = xmlRelaxNGValidateDocument(ctxt, doc); |
| 3136 | return(ret); |
| 3137 | } |
| 3138 | |
| 3139 | #endif /* LIBXML_SCHEMAS_ENABLED */ |
| 3140 | |