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gerrit-public.fairphone.software / fp2-dev / platform / external / libxml2 / 4230404621d2d15898cac30ae069f68b261f3aec / . / debugXML.c
blob: adc08d4ee4f87ab7df47751bd299036285f56aed [file] [log] [blame]
/*
* debugXML.c : This is a set of routines used for debugging the tree
* produced by the XML parser.
*
* See Copyright for the status of this software.
*
* Daniel Veillard <daniel@veillard.com>
*/
#include "libxml.h"
#ifdef LIBXML_DEBUG_ENABLED
#include <string.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include <libxml/xmlmemory.h>
#include <libxml/tree.h>
#include <libxml/parser.h>
#include <libxml/parserInternals.h>
#include <libxml/valid.h>
#include <libxml/debugXML.h>
#include <libxml/HTMLtree.h>
#include <libxml/HTMLparser.h>
#include <libxml/xmlerror.h>
#include <libxml/globals.h>
/**
* xmlGetNodePath:
* @node: a node
*
* Build a structure based Path for the given node
*
* Returns the new path or NULL in case of error. The caller must free
* the returned string
*/
xmlChar *
xmlGetNodePath(xmlNodePtr node)
{
xmlNodePtr cur, tmp, next;
xmlChar *buffer = NULL, *temp;
size_t buf_len;
xmlChar *buf;
char sep;
const char *name;
char nametemp[100];
int occur = 0;
if (node == NULL)
return (NULL);
buf_len = 500;
buffer = (xmlChar *) xmlMalloc(buf_len * sizeof(xmlChar));
if (buffer == NULL)
return (NULL);
buf = (xmlChar *) xmlMalloc(buf_len * sizeof(xmlChar));
if (buf == NULL) {
xmlFree(buffer);
return (NULL);
}
buffer[0] = 0;
cur = node;
do {
name = "";
sep = '?';
occur = 0;
if ((cur->type == XML_DOCUMENT_NODE) ||
(cur->type == XML_HTML_DOCUMENT_NODE)) {
if (buffer[0] == '/')
break;
sep = '/';
next = NULL;
} else if (cur->type == XML_ELEMENT_NODE) {
sep = '/';
name = (const char *) cur->name;
if (cur->ns) {
snprintf(nametemp, sizeof(nametemp) - 1,
"%s:%s", cur->ns->prefix, cur->name);
nametemp[sizeof(nametemp) - 1] = 0;
name = nametemp;
}
next = cur->parent;
/*
* Thumbler index computation
*/
tmp = cur->prev;
while (tmp != NULL) {
if (xmlStrEqual(cur->name, tmp->name))
occur++;
tmp = tmp->prev;
}
if (occur == 0) {
tmp = cur->next;
while (tmp != NULL) {
if (xmlStrEqual(cur->name, tmp->name))
occur++;
tmp = tmp->next;
}
if (occur != 0)
occur = 1;
} else
occur++;
} else if (cur->type == XML_ATTRIBUTE_NODE) {
sep = '@';
name = (const char *) (((xmlAttrPtr) cur)->name);
next = ((xmlAttrPtr) cur)->parent;
} else {
next = cur->parent;
}
/*
* Make sure there is enough room
*/
if (xmlStrlen(buffer) + sizeof(nametemp) + 20 > buf_len) {
buf_len =
2 * buf_len + xmlStrlen(buffer) + sizeof(nametemp) + 20;
temp = (xmlChar *) xmlRealloc(buffer, buf_len);
if (temp == NULL) {
xmlFree(buf);
xmlFree(buffer);
return (NULL);
}
buffer = temp;
temp = (xmlChar *) xmlRealloc(buf, buf_len);
if (temp == NULL) {
xmlFree(buf);
xmlFree(buffer);
return (NULL);
}
buf = temp;
}
if (occur == 0)
snprintf((char *) buf, buf_len, "%c%s%s",
sep, name, (char *) buffer);
else
snprintf((char *) buf, buf_len, "%c%s[%d]%s",
sep, name, occur, (char *) buffer);
snprintf((char *) buffer, buf_len, "%s", buf);
cur = next;
} while (cur != NULL);
xmlFree(buf);
return (buffer);
}
/**
* xmlDebugDumpString:
* @output: the FILE * for the output
* @str: the string
*
* Dumps informations about the string, shorten it if necessary
*/
void
xmlDebugDumpString(FILE * output, const xmlChar * str)
{
int i;
if (str == NULL) {
fprintf(output, "(NULL)");
return;
}
for (i = 0; i < 40; i++)
if (str[i] == 0)
return;
else if (IS_BLANK(str[i]))
fputc(' ', output);
else if (str[i] >= 0x80)
fprintf(output, "#%X", str[i]);
else
fputc(str[i], output);
fprintf(output, "...");
}
static void
xmlDebugDumpDtdNode(FILE *output, xmlDtdPtr dtd, int depth) {
int i;
char shift[100];
for (i = 0;((i < depth) && (i < 25));i++)
shift[2 * i] = shift[2 * i + 1] = ' ';
shift[2 * i] = shift[2 * i + 1] = 0;
fprintf(output, shift);
if (dtd->type != XML_DTD_NODE) {
fprintf(output, "PBM: not a DTD\n");
return;
}
if (dtd->name != NULL)
fprintf(output, "DTD(%s)", dtd->name);
else
fprintf(output, "DTD");
if (dtd->ExternalID != NULL)
fprintf(output, ", PUBLIC %s", dtd->ExternalID);
if (dtd->SystemID != NULL)
fprintf(output, ", SYSTEM %s", dtd->SystemID);
fprintf(output, "\n");
/*
* Do a bit of checking
*/
if (dtd->parent == NULL)
fprintf(output, "PBM: Dtd has no parent\n");
if (dtd->doc == NULL)
fprintf(output, "PBM: Dtd has no doc\n");
if ((dtd->parent != NULL) && (dtd->doc != dtd->parent->doc))
fprintf(output, "PBM: Dtd doc differs from parent's one\n");
if (dtd->prev == NULL) {
if ((dtd->parent != NULL) && (dtd->parent->children != (xmlNodePtr)dtd))
fprintf(output, "PBM: Dtd has no prev and not first of list\n");
} else {
if (dtd->prev->next != (xmlNodePtr) dtd)
fprintf(output, "PBM: Dtd prev->next : back link wrong\n");
}
if (dtd->next == NULL) {
if ((dtd->parent != NULL) && (dtd->parent->last != (xmlNodePtr) dtd))
fprintf(output, "PBM: Dtd has no next and not last of list\n");
} else {
if (dtd->next->prev != (xmlNodePtr) dtd)
fprintf(output, "PBM: Dtd next->prev : forward link wrong\n");
}
}
static void
xmlDebugDumpAttrDecl(FILE *output, xmlAttributePtr attr, int depth) {
int i;
char shift[100];
for (i = 0;((i < depth) && (i < 25));i++)
shift[2 * i] = shift[2 * i + 1] = ' ';
shift[2 * i] = shift[2 * i + 1] = 0;
fprintf(output, shift);
if (attr->type != XML_ATTRIBUTE_DECL) {
fprintf(output, "PBM: not a Attr\n");
return;
}
if (attr->name != NULL)
fprintf(output, "ATTRDECL(%s)", attr->name);
else
fprintf(output, "PBM ATTRDECL noname!!!");
if (attr->elem != NULL)
fprintf(output, " for %s", attr->elem);
else
fprintf(output, " PBM noelem!!!");
switch (attr->atype) {
case XML_ATTRIBUTE_CDATA:
fprintf(output, " CDATA");
break;
case XML_ATTRIBUTE_ID:
fprintf(output, " ID");
break;
case XML_ATTRIBUTE_IDREF:
fprintf(output, " IDREF");
break;
case XML_ATTRIBUTE_IDREFS:
fprintf(output, " IDREFS");
break;
case XML_ATTRIBUTE_ENTITY:
fprintf(output, " ENTITY");
break;
case XML_ATTRIBUTE_ENTITIES:
fprintf(output, " ENTITIES");
break;
case XML_ATTRIBUTE_NMTOKEN:
fprintf(output, " NMTOKEN");
break;
case XML_ATTRIBUTE_NMTOKENS:
fprintf(output, " NMTOKENS");
break;
case XML_ATTRIBUTE_ENUMERATION:
fprintf(output, " ENUMERATION");
break;
case XML_ATTRIBUTE_NOTATION:
fprintf(output, " NOTATION ");
break;
}
if (attr->tree != NULL) {
int indx;
xmlEnumerationPtr cur = attr->tree;
for (indx = 0;indx < 5; indx++) {
if (indx != 0)
fprintf(output, "|%s", cur->name);
else
fprintf(output, " (%s", cur->name);
cur = cur->next;
if (cur == NULL) break;
}
if (cur == NULL)
fprintf(output, ")");
else
fprintf(output, "...)");
}
switch (attr->def) {
case XML_ATTRIBUTE_NONE:
break;
case XML_ATTRIBUTE_REQUIRED:
fprintf(output, " REQUIRED");
break;
case XML_ATTRIBUTE_IMPLIED:
fprintf(output, " IMPLIED");
break;
case XML_ATTRIBUTE_FIXED:
fprintf(output, " FIXED");
break;
}
if (attr->defaultValue != NULL) {
fprintf(output, "\"");
xmlDebugDumpString(output, attr->defaultValue);
fprintf(output, "\"");
}
printf("\n");
/*
* Do a bit of checking
*/
if (attr->parent == NULL)
fprintf(output, "PBM: Attr has no parent\n");
if (attr->doc == NULL)
fprintf(output, "PBM: Attr has no doc\n");
if ((attr->parent != NULL) && (attr->doc != attr->parent->doc))
fprintf(output, "PBM: Attr doc differs from parent's one\n");
if (attr->prev == NULL) {
if ((attr->parent != NULL) && (attr->parent->children != (xmlNodePtr)attr))
fprintf(output, "PBM: Attr has no prev and not first of list\n");
} else {
if (attr->prev->next != (xmlNodePtr) attr)
fprintf(output, "PBM: Attr prev->next : back link wrong\n");
}
if (attr->next == NULL) {
if ((attr->parent != NULL) && (attr->parent->last != (xmlNodePtr) attr))
fprintf(output, "PBM: Attr has no next and not last of list\n");
} else {
if (attr->next->prev != (xmlNodePtr) attr)
fprintf(output, "PBM: Attr next->prev : forward link wrong\n");
}
}
static void
xmlDebugDumpElemDecl(FILE *output, xmlElementPtr elem, int depth) {
int i;
char shift[100];
for (i = 0;((i < depth) && (i < 25));i++)
shift[2 * i] = shift[2 * i + 1] = ' ';
shift[2 * i] = shift[2 * i + 1] = 0;
fprintf(output, shift);
if (elem->type != XML_ELEMENT_DECL) {
fprintf(output, "PBM: not a Elem\n");
return;
}
if (elem->name != NULL) {
fprintf(output, "ELEMDECL(");
xmlDebugDumpString(output, elem->name);
fprintf(output, ")");
} else
fprintf(output, "PBM ELEMDECL noname!!!");
switch (elem->etype) {
case XML_ELEMENT_TYPE_UNDEFINED:
fprintf(output, ", UNDEFINED");
break;
case XML_ELEMENT_TYPE_EMPTY:
fprintf(output, ", EMPTY");
break;
case XML_ELEMENT_TYPE_ANY:
fprintf(output, ", ANY");
break;
case XML_ELEMENT_TYPE_MIXED:
fprintf(output, ", MIXED ");
break;
case XML_ELEMENT_TYPE_ELEMENT:
fprintf(output, ", MIXED ");
break;
}
if ((elem->type != XML_ELEMENT_NODE) &&
(elem->content != NULL)) {
char buf[5001];
buf[0] = 0;
xmlSnprintfElementContent(buf, 5000, elem->content, 1);
buf[5000] = 0;
fprintf(output, "%s", buf);
}
printf("\n");
/*
* Do a bit of checking
*/
if (elem->parent == NULL)
fprintf(output, "PBM: Elem has no parent\n");
if (elem->doc == NULL)
fprintf(output, "PBM: Elem has no doc\n");
if ((elem->parent != NULL) && (elem->doc != elem->parent->doc))
fprintf(output, "PBM: Elem doc differs from parent's one\n");
if (elem->prev == NULL) {
if ((elem->parent != NULL) && (elem->parent->children != (xmlNodePtr)elem))
fprintf(output, "PBM: Elem has no prev and not first of list\n");
} else {
if (elem->prev->next != (xmlNodePtr) elem)
fprintf(output, "PBM: Elem prev->next : back link wrong\n");
}
if (elem->next == NULL) {
if ((elem->parent != NULL) && (elem->parent->last != (xmlNodePtr) elem))
fprintf(output, "PBM: Elem has no next and not last of list\n");
} else {
if (elem->next->prev != (xmlNodePtr) elem)
fprintf(output, "PBM: Elem next->prev : forward link wrong\n");
}
}
static void
xmlDebugDumpEntityDecl(FILE *output, xmlEntityPtr ent, int depth) {
int i;
char shift[100];
for (i = 0;((i < depth) && (i < 25));i++)
shift[2 * i] = shift[2 * i + 1] = ' ';
shift[2 * i] = shift[2 * i + 1] = 0;
fprintf(output, shift);
if (ent->type != XML_ENTITY_DECL) {
fprintf(output, "PBM: not a Entity decl\n");
return;
}
if (ent->name != NULL) {
fprintf(output, "ENTITYDECL(");
xmlDebugDumpString(output, ent->name);
fprintf(output, ")");
} else
fprintf(output, "PBM ENTITYDECL noname!!!");
switch (ent->etype) {
case XML_INTERNAL_GENERAL_ENTITY:
fprintf(output, ", internal\n");
break;
case XML_EXTERNAL_GENERAL_PARSED_ENTITY:
fprintf(output, ", external parsed\n");
break;
case XML_EXTERNAL_GENERAL_UNPARSED_ENTITY:
fprintf(output, ", unparsed\n");
break;
case XML_INTERNAL_PARAMETER_ENTITY:
fprintf(output, ", parameter\n");
break;
case XML_EXTERNAL_PARAMETER_ENTITY:
fprintf(output, ", external parameter\n");
break;
case XML_INTERNAL_PREDEFINED_ENTITY:
fprintf(output, ", predefined\n");
break;
}
if (ent->ExternalID) {
fprintf(output, shift);
fprintf(output, " ExternalID=%s\n", ent->ExternalID);
}
if (ent->SystemID) {
fprintf(output, shift);
fprintf(output, " SystemID=%s\n", ent->SystemID);
}
if (ent->URI != NULL) {
fprintf(output, shift);
fprintf(output, " URI=%s\n", ent->URI);
}
if (ent->content) {
fprintf(output, shift);
fprintf(output, " content=");
xmlDebugDumpString(output, ent->content);
fprintf(output, "\n");
}
/*
* Do a bit of checking
*/
if (ent->parent == NULL)
fprintf(output, "PBM: Ent has no parent\n");
if (ent->doc == NULL)
fprintf(output, "PBM: Ent has no doc\n");
if ((ent->parent != NULL) && (ent->doc != ent->parent->doc))
fprintf(output, "PBM: Ent doc differs from parent's one\n");
if (ent->prev == NULL) {
if ((ent->parent != NULL) && (ent->parent->children != (xmlNodePtr)ent))
fprintf(output, "PBM: Ent has no prev and not first of list\n");
} else {
if (ent->prev->next != (xmlNodePtr) ent)
fprintf(output, "PBM: Ent prev->next : back link wrong\n");
}
if (ent->next == NULL) {
if ((ent->parent != NULL) && (ent->parent->last != (xmlNodePtr) ent))
fprintf(output, "PBM: Ent has no next and not last of list\n");
} else {
if (ent->next->prev != (xmlNodePtr) ent)
fprintf(output, "PBM: Ent next->prev : forward link wrong\n");
}
}
static void
xmlDebugDumpNamespace(FILE *output, xmlNsPtr ns, int depth) {
int i;
char shift[100];
for (i = 0;((i < depth) && (i < 25));i++)
shift[2 * i] = shift[2 * i + 1] = ' ';
shift[2 * i] = shift[2 * i + 1] = 0;
fprintf(output, shift);
if (ns->type != XML_NAMESPACE_DECL) {
fprintf(output, "invalid namespace node %d\n", ns->type);
return;
}
if (ns->href == NULL) {
if (ns->prefix != NULL)
fprintf(output, "incomplete namespace %s href=NULL\n", ns->prefix);
else
fprintf(output, "incomplete default namespace href=NULL\n");
} else {
if (ns->prefix != NULL)
fprintf(output, "namespace %s href=", ns->prefix);
else
fprintf(output, "default namespace href=");
xmlDebugDumpString(output, ns->href);
fprintf(output, "\n");
}
}
static void
xmlDebugDumpNamespaceList(FILE *output, xmlNsPtr ns, int depth) {
while (ns != NULL) {
xmlDebugDumpNamespace(output, ns, depth);
ns = ns->next;
}
}
static void
xmlDebugDumpEntity(FILE *output, xmlEntityPtr ent, int depth) {
int i;
char shift[100];
for (i = 0;((i < depth) && (i < 25));i++)
shift[2 * i] = shift[2 * i + 1] = ' ';
shift[2 * i] = shift[2 * i + 1] = 0;
fprintf(output, shift);
switch (ent->etype) {
case XML_INTERNAL_GENERAL_ENTITY:
fprintf(output, "INTERNAL_GENERAL_ENTITY ");
break;
case XML_EXTERNAL_GENERAL_PARSED_ENTITY:
fprintf(output, "EXTERNAL_GENERAL_PARSED_ENTITY ");
break;
case XML_EXTERNAL_GENERAL_UNPARSED_ENTITY:
fprintf(output, "EXTERNAL_GENERAL_UNPARSED_ENTITY ");
break;
case XML_INTERNAL_PARAMETER_ENTITY:
fprintf(output, "INTERNAL_PARAMETER_ENTITY ");
break;
case XML_EXTERNAL_PARAMETER_ENTITY:
fprintf(output, "EXTERNAL_PARAMETER_ENTITY ");
break;
default:
fprintf(output, "ENTITY_%d ! ", ent->etype);
}
fprintf(output, "%s\n", ent->name);
if (ent->ExternalID) {
fprintf(output, shift);
fprintf(output, "ExternalID=%s\n", ent->ExternalID);
}
if (ent->SystemID) {
fprintf(output, shift);
fprintf(output, "SystemID=%s\n", ent->SystemID);
}
if (ent->URI) {
fprintf(output, shift);
fprintf(output, "URI=%s\n", ent->URI);
}
if (ent->content) {
fprintf(output, shift);
fprintf(output, "content=");
xmlDebugDumpString(output, ent->content);
fprintf(output, "\n");
}
}
/**
* xmlDebugDumpAttr:
* @output: the FILE * for the output
* @attr: the attribute
* @depth: the indentation level.
*
* Dumps debug information for the attribute
*/
void
xmlDebugDumpAttr(FILE *output, xmlAttrPtr attr, int depth) {
int i;
char shift[100];
for (i = 0;((i < depth) && (i < 25));i++)
shift[2 * i] = shift[2 * i + 1] = ' ';
shift[2 * i] = shift[2 * i + 1] = 0;
fprintf(output, shift);
fprintf(output, "ATTRIBUTE ");
xmlDebugDumpString(output, attr->name);
fprintf(output, "\n");
if (attr->children != NULL)
xmlDebugDumpNodeList(output, attr->children, depth + 1);
/*
* Do a bit of checking
*/
if (attr->parent == NULL)
fprintf(output, "PBM: Attr has no parent\n");
if (attr->doc == NULL)
fprintf(output, "PBM: Attr has no doc\n");
if ((attr->parent != NULL) && (attr->doc != attr->parent->doc))
fprintf(output, "PBM: Attr doc differs from parent's one\n");
if (attr->prev == NULL) {
if ((attr->parent != NULL) && (attr->parent->properties != attr))
fprintf(output, "PBM: Attr has no prev and not first of list\n");
} else {
if (attr->prev->next != attr)
fprintf(output, "PBM: Attr prev->next : back link wrong\n");
}
if (attr->next != NULL) {
if (attr->next->prev != attr)
fprintf(output, "PBM: Attr next->prev : forward link wrong\n");
}
}
/**
* xmlDebugDumpAttrList:
* @output: the FILE * for the output
* @attr: the attribute list
* @depth: the indentation level.
*
* Dumps debug information for the attribute list
*/
void
xmlDebugDumpAttrList(FILE * output, xmlAttrPtr attr, int depth)
{
while (attr != NULL) {
xmlDebugDumpAttr(output, attr, depth);
attr = attr->next;
}
}
/**
* xmlDebugDumpOneNode:
* @output: the FILE * for the output
* @node: the node
* @depth: the indentation level.
*
* Dumps debug information for the element node, it is not recursive
*/
void
xmlDebugDumpOneNode(FILE * output, xmlNodePtr node, int depth)
{
int i;
char shift[100];
for (i = 0; ((i < depth) && (i < 25)); i++)
shift[2 * i] = shift[2 * i + 1] = ' ';
shift[2 * i] = shift[2 * i + 1] = 0;
switch (node->type) {
case XML_ELEMENT_NODE:
fprintf(output, shift);
fprintf(output, "ELEMENT ");
if ((node->ns != NULL) && (node->ns->prefix != NULL)) {
xmlDebugDumpString(output, node->ns->prefix);
fprintf(output, ":");
}
xmlDebugDumpString(output, node->name);
fprintf(output, "\n");
break;
case XML_ATTRIBUTE_NODE:
fprintf(output, shift);
fprintf(output, "Error, ATTRIBUTE found here\n");
break;
case XML_TEXT_NODE:
fprintf(output, shift);
if (node->name == (const xmlChar *) xmlStringTextNoenc)
fprintf(output, "TEXT no enc\n");
else
fprintf(output, "TEXT\n");
break;
case XML_CDATA_SECTION_NODE:
fprintf(output, shift);
fprintf(output, "CDATA_SECTION\n");
break;
case XML_ENTITY_REF_NODE:
fprintf(output, shift);
fprintf(output, "ENTITY_REF(%s)\n", node->name);
break;
case XML_ENTITY_NODE:
fprintf(output, shift);
fprintf(output, "ENTITY\n");
break;
case XML_PI_NODE:
fprintf(output, shift);
fprintf(output, "PI %s\n", node->name);
break;
case XML_COMMENT_NODE:
fprintf(output, shift);
fprintf(output, "COMMENT\n");
break;
case XML_DOCUMENT_NODE:
case XML_HTML_DOCUMENT_NODE:
fprintf(output, shift);
fprintf(output, "Error, DOCUMENT found here\n");
break;
case XML_DOCUMENT_TYPE_NODE:
fprintf(output, shift);
fprintf(output, "DOCUMENT_TYPE\n");
break;
case XML_DOCUMENT_FRAG_NODE:
fprintf(output, shift);
fprintf(output, "DOCUMENT_FRAG\n");
break;
case XML_NOTATION_NODE:
fprintf(output, shift);
fprintf(output, "NOTATION\n");
break;
case XML_DTD_NODE:
xmlDebugDumpDtdNode(output, (xmlDtdPtr) node, depth);
return;
case XML_ELEMENT_DECL:
xmlDebugDumpElemDecl(output, (xmlElementPtr) node, depth);
return;
case XML_ATTRIBUTE_DECL:
xmlDebugDumpAttrDecl(output, (xmlAttributePtr) node, depth);
return;
case XML_ENTITY_DECL:
xmlDebugDumpEntityDecl(output, (xmlEntityPtr) node, depth);
return;
case XML_NAMESPACE_DECL:
xmlDebugDumpNamespace(output, (xmlNsPtr) node, depth);
return;
case XML_XINCLUDE_START:
fprintf(output, shift);
fprintf(output, "INCLUDE START\n");
return;
case XML_XINCLUDE_END:
fprintf(output, shift);
fprintf(output, "INCLUDE END\n");
return;
default:
fprintf(output, shift);
fprintf(output, "NODE_%d !!!\n", node->type);
return;
}
if (node->doc == NULL) {
fprintf(output, shift);
fprintf(output, "doc == NULL !!!\n");
}
if (node->nsDef != NULL)
xmlDebugDumpNamespaceList(output, node->nsDef, depth + 1);
if (node->properties != NULL)
xmlDebugDumpAttrList(output, node->properties, depth + 1);
if (node->type != XML_ENTITY_REF_NODE) {
if ((node->type != XML_ELEMENT_NODE) && (node->content != NULL)) {
shift[2 * i] = shift[2 * i + 1] = ' ';
shift[2 * i + 2] = shift[2 * i + 3] = 0;
fprintf(output, shift);
fprintf(output, "content=");
#ifndef XML_USE_BUFFER_CONTENT
xmlDebugDumpString(output, node->content);
#else
xmlDebugDumpString(output, xmlBufferContent(node->content));
#endif
fprintf(output, "\n");
}
} else {
xmlEntityPtr ent;
ent = xmlGetDocEntity(node->doc, node->name);
if (ent != NULL)
xmlDebugDumpEntity(output, ent, depth + 1);
}
/*
* Do a bit of checking
*/
if (node->parent == NULL)
fprintf(output, "PBM: Node has no parent\n");
if (node->doc == NULL)
fprintf(output, "PBM: Node has no doc\n");
if ((node->parent != NULL) && (node->doc != node->parent->doc))
fprintf(output, "PBM: Node doc differs from parent's one\n");
if (node->prev == NULL) {
if ((node->parent != NULL) && (node->parent->children != node))
fprintf(output,
"PBM: Node has no prev and not first of list\n");
} else {
if (node->prev->next != node)
fprintf(output, "PBM: Node prev->next : back link wrong\n");
}
if (node->next == NULL) {
if ((node->parent != NULL) && (node->parent->last != node))
fprintf(output,
"PBM: Node has no next and not last of list\n");
} else {
if (node->next->prev != node)
fprintf(output, "PBM: Node next->prev : forward link wrong\n");
}
}
/**
* xmlDebugDumpNode:
* @output: the FILE * for the output
* @node: the node
* @depth: the indentation level.
*
* Dumps debug information for the element node, it is recursive
*/
void
xmlDebugDumpNode(FILE * output, xmlNodePtr node, int depth)
{
xmlDebugDumpOneNode(output, node, depth);
if ((node->children != NULL) && (node->type != XML_ENTITY_REF_NODE))
xmlDebugDumpNodeList(output, node->children, depth + 1);
}
/**
* xmlDebugDumpNodeList:
* @output: the FILE * for the output
* @node: the node list
* @depth: the indentation level.
*
* Dumps debug information for the list of element node, it is recursive
*/
void
xmlDebugDumpNodeList(FILE * output, xmlNodePtr node, int depth)
{
while (node != NULL) {
xmlDebugDumpNode(output, node, depth);
node = node->next;
}
}
/**
* xmlDebugDumpDocumentHead:
* @output: the FILE * for the output
* @doc: the document
*
* Dumps debug information cncerning the document, not recursive
*/
void
xmlDebugDumpDocumentHead(FILE * output, xmlDocPtr doc)
{
if (output == NULL)
output = stdout;
if (doc == NULL) {
fprintf(output, "DOCUMENT == NULL !\n");
return;
}
switch (doc->type) {
case XML_ELEMENT_NODE:
fprintf(output, "Error, ELEMENT found here ");
break;
case XML_ATTRIBUTE_NODE:
fprintf(output, "Error, ATTRIBUTE found here\n");
break;
case XML_TEXT_NODE:
fprintf(output, "Error, TEXT\n");
break;
case XML_CDATA_SECTION_NODE:
fprintf(output, "Error, CDATA_SECTION\n");
break;
case XML_ENTITY_REF_NODE:
fprintf(output, "Error, ENTITY_REF\n");
break;
case XML_ENTITY_NODE:
fprintf(output, "Error, ENTITY\n");
break;
case XML_PI_NODE:
fprintf(output, "Error, PI\n");
break;
case XML_COMMENT_NODE:
fprintf(output, "Error, COMMENT\n");
break;
case XML_DOCUMENT_NODE:
fprintf(output, "DOCUMENT\n");
break;
case XML_HTML_DOCUMENT_NODE:
fprintf(output, "HTML DOCUMENT\n");
break;
case XML_DOCUMENT_TYPE_NODE:
fprintf(output, "Error, DOCUMENT_TYPE\n");
break;
case XML_DOCUMENT_FRAG_NODE:
fprintf(output, "Error, DOCUMENT_FRAG\n");
break;
case XML_NOTATION_NODE:
fprintf(output, "Error, NOTATION\n");
break;
default:
fprintf(output, "NODE_%d\n", doc->type);
}
if (doc->name != NULL) {
fprintf(output, "name=");
xmlDebugDumpString(output, BAD_CAST doc->name);
fprintf(output, "\n");
}
if (doc->version != NULL) {
fprintf(output, "version=");
xmlDebugDumpString(output, doc->version);
fprintf(output, "\n");
}
if (doc->encoding != NULL) {
fprintf(output, "encoding=");
xmlDebugDumpString(output, doc->encoding);
fprintf(output, "\n");
}
if (doc->URL != NULL) {
fprintf(output, "URL=");
xmlDebugDumpString(output, doc->URL);
fprintf(output, "\n");
}
if (doc->standalone)
fprintf(output, "standalone=true\n");
if (doc->oldNs != NULL)
xmlDebugDumpNamespaceList(output, doc->oldNs, 0);
}
/**
* xmlDebugDumpDocument:
* @output: the FILE * for the output
* @doc: the document
*
* Dumps debug information for the document, it's recursive
*/
void
xmlDebugDumpDocument(FILE * output, xmlDocPtr doc)
{
if (output == NULL)
output = stdout;
if (doc == NULL) {
fprintf(output, "DOCUMENT == NULL !\n");
return;
}
xmlDebugDumpDocumentHead(output, doc);
if (((doc->type == XML_DOCUMENT_NODE) ||
(doc->type == XML_HTML_DOCUMENT_NODE)) && (doc->children != NULL))
xmlDebugDumpNodeList(output, doc->children, 1);
}
/**
* xmlDebugDumpDTD:
* @output: the FILE * for the output
* @dtd: the DTD
*
* Dumps debug information for the DTD
*/
void
xmlDebugDumpDTD(FILE * output, xmlDtdPtr dtd)
{
if (dtd == NULL)
return;
if (dtd->type != XML_DTD_NODE) {
fprintf(output, "PBM: not a DTD\n");
return;
}
if (dtd->name != NULL)
fprintf(output, "DTD(%s)", dtd->name);
else
fprintf(output, "DTD");
if (dtd->ExternalID != NULL)
fprintf(output, ", PUBLIC %s", dtd->ExternalID);
if (dtd->SystemID != NULL)
fprintf(output, ", SYSTEM %s", dtd->SystemID);
fprintf(output, "\n");
/*
* Do a bit of checking
*/
if ((dtd->parent != NULL) && (dtd->doc != dtd->parent->doc))
fprintf(output, "PBM: Dtd doc differs from parent's one\n");
if (dtd->prev == NULL) {
if ((dtd->parent != NULL)
&& (dtd->parent->children != (xmlNodePtr) dtd))
fprintf(output,
"PBM: Dtd has no prev and not first of list\n");
} else {
if (dtd->prev->next != (xmlNodePtr) dtd)
fprintf(output, "PBM: Dtd prev->next : back link wrong\n");
}
if (dtd->next == NULL) {
if ((dtd->parent != NULL)
&& (dtd->parent->last != (xmlNodePtr) dtd))
fprintf(output, "PBM: Dtd has no next and not last of list\n");
} else {
if (dtd->next->prev != (xmlNodePtr) dtd)
fprintf(output, "PBM: Dtd next->prev : forward link wrong\n");
}
if (dtd->children == NULL)
fprintf(output, " DTD is empty\n");
else
xmlDebugDumpNodeList(output, dtd->children, 1);
}
static void
xmlDebugDumpEntityCallback(xmlEntityPtr cur, FILE *output) {
fprintf(output, "%s : ", cur->name);
switch (cur->etype) {
case XML_INTERNAL_GENERAL_ENTITY:
fprintf(output, "INTERNAL GENERAL, ");
break;
case XML_EXTERNAL_GENERAL_PARSED_ENTITY:
fprintf(output, "EXTERNAL PARSED, ");
break;
case XML_EXTERNAL_GENERAL_UNPARSED_ENTITY:
fprintf(output, "EXTERNAL UNPARSED, ");
break;
case XML_INTERNAL_PARAMETER_ENTITY:
fprintf(output, "INTERNAL PARAMETER, ");
break;
case XML_EXTERNAL_PARAMETER_ENTITY:
fprintf(output, "EXTERNAL PARAMETER, ");
break;
default:
fprintf(output, "UNKNOWN TYPE %d",
cur->etype);
}
if (cur->ExternalID != NULL)
fprintf(output, "ID \"%s\"", cur->ExternalID);
if (cur->SystemID != NULL)
fprintf(output, "SYSTEM \"%s\"", cur->SystemID);
if (cur->orig != NULL)
fprintf(output, "\n orig \"%s\"", cur->orig);
if ((cur->type != XML_ELEMENT_NODE) &&
(cur->content != NULL))
fprintf(output, "\n content \"%s\"", cur->content);
fprintf(output, "\n");
}
/**
* xmlDebugDumpEntities:
* @output: the FILE * for the output
* @doc: the document
*
* Dumps debug information for all the entities in use by the document
*/
void
xmlDebugDumpEntities(FILE * output, xmlDocPtr doc)
{
if (output == NULL)
output = stdout;
if (doc == NULL) {
fprintf(output, "DOCUMENT == NULL !\n");
return;
}
switch (doc->type) {
case XML_ELEMENT_NODE:
fprintf(output, "Error, ELEMENT found here ");
break;
case XML_ATTRIBUTE_NODE:
fprintf(output, "Error, ATTRIBUTE found here\n");
break;
case XML_TEXT_NODE:
fprintf(output, "Error, TEXT\n");
break;
case XML_CDATA_SECTION_NODE:
fprintf(output, "Error, CDATA_SECTION\n");
break;
case XML_ENTITY_REF_NODE:
fprintf(output, "Error, ENTITY_REF\n");
break;
case XML_ENTITY_NODE:
fprintf(output, "Error, ENTITY\n");
break;
case XML_PI_NODE:
fprintf(output, "Error, PI\n");
break;
case XML_COMMENT_NODE:
fprintf(output, "Error, COMMENT\n");
break;
case XML_DOCUMENT_NODE:
fprintf(output, "DOCUMENT\n");
break;
case XML_HTML_DOCUMENT_NODE:
fprintf(output, "HTML DOCUMENT\n");
break;
case XML_DOCUMENT_TYPE_NODE:
fprintf(output, "Error, DOCUMENT_TYPE\n");
break;
case XML_DOCUMENT_FRAG_NODE:
fprintf(output, "Error, DOCUMENT_FRAG\n");
break;
case XML_NOTATION_NODE:
fprintf(output, "Error, NOTATION\n");
break;
default:
fprintf(output, "NODE_%d\n", doc->type);
}
if ((doc->intSubset != NULL) && (doc->intSubset->entities != NULL)) {
xmlEntitiesTablePtr table = (xmlEntitiesTablePtr)
doc->intSubset->entities;
fprintf(output, "Entities in internal subset\n");
xmlHashScan(table, (xmlHashScanner) xmlDebugDumpEntityCallback,
output);
} else
fprintf(output, "No entities in internal subset\n");
if ((doc->extSubset != NULL) && (doc->extSubset->entities != NULL)) {
xmlEntitiesTablePtr table = (xmlEntitiesTablePtr)
doc->extSubset->entities;
fprintf(output, "Entities in external subset\n");
xmlHashScan(table, (xmlHashScanner) xmlDebugDumpEntityCallback,
output);
} else
fprintf(output, "No entities in external subset\n");
}
int xmlLsCountNode(xmlNodePtr node) {
int ret = 0;
xmlNodePtr list = NULL;
switch (node->type) {
case XML_ELEMENT_NODE:
list = node->children;
break;
case XML_DOCUMENT_NODE:
case XML_HTML_DOCUMENT_NODE:
#ifdef LIBXML_DOCB_ENABLED
case XML_DOCB_DOCUMENT_NODE:
#endif
list = ((xmlDocPtr) node)->children;
break;
case XML_ATTRIBUTE_NODE:
list = ((xmlAttrPtr) node)->children;
break;
case XML_TEXT_NODE:
case XML_CDATA_SECTION_NODE:
case XML_PI_NODE:
case XML_COMMENT_NODE:
if (node->content != NULL) {
#ifndef XML_USE_BUFFER_CONTENT
ret = xmlStrlen(node->content);
#else
ret = xmlBufferLength(node->content);
#endif
}
break;
case XML_ENTITY_REF_NODE:
case XML_DOCUMENT_TYPE_NODE:
case XML_ENTITY_NODE:
case XML_DOCUMENT_FRAG_NODE:
case XML_NOTATION_NODE:
case XML_DTD_NODE:
case XML_ELEMENT_DECL:
case XML_ATTRIBUTE_DECL:
case XML_ENTITY_DECL:
case XML_NAMESPACE_DECL:
case XML_XINCLUDE_START:
case XML_XINCLUDE_END:
ret = 1;
break;
}
for (;list != NULL;ret++)
list = list->next;
return(ret);
}
void
xmlLsOneNode(FILE *output, xmlNodePtr node) {
switch (node->type) {
case XML_ELEMENT_NODE:
fprintf(output, "-");
break;
case XML_ATTRIBUTE_NODE:
fprintf(output, "a");
break;
case XML_TEXT_NODE:
fprintf(output, "t");
break;
case XML_CDATA_SECTION_NODE:
fprintf(output, "c");
break;
case XML_ENTITY_REF_NODE:
fprintf(output, "e");
break;
case XML_ENTITY_NODE:
fprintf(output, "E");
break;
case XML_PI_NODE:
fprintf(output, "p");
break;
case XML_COMMENT_NODE:
fprintf(output, "c");
break;
case XML_DOCUMENT_NODE:
fprintf(output, "d");
break;
case XML_HTML_DOCUMENT_NODE:
fprintf(output, "h");
break;
case XML_DOCUMENT_TYPE_NODE:
fprintf(output, "T");
break;
case XML_DOCUMENT_FRAG_NODE:
fprintf(output, "F");
break;
case XML_NOTATION_NODE:
fprintf(output, "N");
break;
default:
fprintf(output, "?");
}
if (node->properties != NULL)
fprintf(output, "a");
else
fprintf(output, "-");
if (node->nsDef != NULL)
fprintf(output, "n");
else
fprintf(output, "-");
fprintf(output, " %8d ", xmlLsCountNode(node));
switch (node->type) {
case XML_ELEMENT_NODE:
if (node->name != NULL)
fprintf(output, "%s", node->name);
break;
case XML_ATTRIBUTE_NODE:
if (node->name != NULL)
fprintf(output, "%s", node->name);
break;
case XML_TEXT_NODE:
if (node->content != NULL) {
#ifndef XML_USE_BUFFER_CONTENT
xmlDebugDumpString(output, node->content);
#else
xmlDebugDumpString(output, xmlBufferContent(node->content));
#endif
}
break;
case XML_CDATA_SECTION_NODE:
break;
case XML_ENTITY_REF_NODE:
if (node->name != NULL)
fprintf(output, "%s", node->name);
break;
case XML_ENTITY_NODE:
if (node->name != NULL)
fprintf(output, "%s", node->name);
break;
case XML_PI_NODE:
if (node->name != NULL)
fprintf(output, "%s", node->name);
break;
case XML_COMMENT_NODE:
break;
case XML_DOCUMENT_NODE:
break;
case XML_HTML_DOCUMENT_NODE:
break;
case XML_DOCUMENT_TYPE_NODE:
break;
case XML_DOCUMENT_FRAG_NODE:
break;
case XML_NOTATION_NODE:
break;
default:
if (node->name != NULL)
fprintf(output, "%s", node->name);
}
fprintf(output, "\n");
}
/**
* xmlBoolToText:
* @boolval : a bool to turn into text
*
* Convenient way to turn bool into text
*/
const char *
xmlBoolToText(int boolval)
{
if (boolval)
return("True");
else
return("False");
}
/**
* xmlGetLineNo:
* @node : valid node
*
* Get line number of node
*
* Returns the line number if sucessfull, -1 otherwise
*/
long
xmlGetLineNo(xmlNodePtr node)
{
long result = -1;
if (!node)
return result;
if (node->type == XML_ELEMENT_NODE)
result = (long) node->content;
else if ((node->prev != NULL) &&
((node->prev->type == XML_ELEMENT_NODE) ||
(node->prev->type == XML_TEXT_NODE)))
result = xmlGetLineNo(node->prev);
else if ((node->parent != NULL) &&
((node->parent->type == XML_ELEMENT_NODE) ||
(node->parent->type == XML_TEXT_NODE)))
result = xmlGetLineNo(node->parent);
return result;
}
/****************************************************************
* *
* The XML shell related functions *
* *
****************************************************************/
/*
* TODO: Improvement/cleanups for the XML shell
* - allow to shell out an editor on a subpart
* - cleanup function registrations (with help) and calling
* - provide registration routines
*/
/**
* xmlShellPrintXpathError:
* @errorType: valid xpath error id
* @arg : the argument that cause xpath to fail
*
* Print the xpath error to libxml default error channel
*/
void
xmlShellPrintXPathError(int errorType, const char *arg)
{
const char *default_arg = "Result";
if (!arg)
arg = default_arg;
switch (errorType) {
case XPATH_UNDEFINED:
xmlGenericError(xmlGenericErrorContext,
"%s: no such node\n", arg);
break;
case XPATH_BOOLEAN:
xmlGenericError(xmlGenericErrorContext,
"%s is a Boolean\n", arg);
break;
case XPATH_NUMBER:
xmlGenericError(xmlGenericErrorContext,
"%s is a number\n", arg);
break;
case XPATH_STRING:
xmlGenericError(xmlGenericErrorContext,
"%s is a string\n", arg);
break;
case XPATH_POINT:
xmlGenericError(xmlGenericErrorContext,
"%s is a point\n", arg);
break;
case XPATH_RANGE:
xmlGenericError(xmlGenericErrorContext,
"%s is a range\n", arg);
break;
case XPATH_LOCATIONSET:
xmlGenericError(xmlGenericErrorContext,
"%s is a range\n", arg);
break;
case XPATH_USERS:
xmlGenericError(xmlGenericErrorContext,
"%s is user-defined\n", arg);
break;
case XPATH_XSLT_TREE:
xmlGenericError(xmlGenericErrorContext,
"%s is an XSLT value tree\n", arg);
break;
}
xmlGenericError(xmlGenericErrorContext,
"Try casting the result string function (xpath builtin)\n",
arg);
}
/**
* xmlShellPrintNode:
* @node : a non-null node to print to stdout
*
* Print node to stdout
*/
void
xmlShellPrintNode(xmlNodePtr node)
{
if (!node)
return;
if (node->type == XML_DOCUMENT_NODE)
xmlDocDump(stdout, (xmlDocPtr) node);
else if (node->type == XML_ATTRIBUTE_NODE)
xmlDebugDumpAttrList(stdout, (xmlAttrPtr) node, 0);
else
xmlElemDump(stdout, node->doc, node);
fprintf(stdout, "\n");
}
/**
* xmlShellPrintXPathResult:
* list : a valid result generated by an xpath evaluation
*
* Prints result to stdout
*/
void
xmlShellPrintXPathResult(xmlXPathObjectPtr list)
{
int i = 0;
if (list != NULL) {
switch (list->type) {
case XPATH_NODESET:{
int indx;
if (list->nodesetval) {
for (indx = 0; indx < list->nodesetval->nodeNr;
indx++) {
if (i > 0)
fprintf(stderr, " -------\n");
xmlShellPrintNode(list->nodesetval->
nodeTab[indx]);
}
} else {
xmlGenericError(xmlGenericErrorContext,
"Empty node set\n");
}
break;
}
case XPATH_BOOLEAN:
xmlGenericError(xmlGenericErrorContext,
"Is a Boolean:%s\n",
xmlBoolToText(list->boolval));
break;
case XPATH_NUMBER:
xmlGenericError(xmlGenericErrorContext,
"Is a number:%0g\n", list->floatval);
break;
case XPATH_STRING:
xmlGenericError(xmlGenericErrorContext,
"Is a string:%s\n", list->stringval);
break;
default:
xmlShellPrintXPathError(list->type, NULL);
}
}
}
/**
* xmlShellList:
* @ctxt: the shell context
* @arg: unused
* @node: a node
* @node2: unused
*
* Implements the XML shell function "ls"
* Does an Unix like listing of the given node (like a directory)
*
* Returns 0
*/
int
xmlShellList(xmlShellCtxtPtr ctxt ATTRIBUTE_UNUSED,
char *arg ATTRIBUTE_UNUSED, xmlNodePtr node,
xmlNodePtr node2 ATTRIBUTE_UNUSED)
{
xmlNodePtr cur;
if ((node->type == XML_DOCUMENT_NODE) ||
(node->type == XML_HTML_DOCUMENT_NODE)) {
cur = ((xmlDocPtr) node)->children;
} else if (node->children != NULL) {
cur = node->children;
} else {
xmlLsOneNode(stdout, node);
return (0);
}
while (cur != NULL) {
xmlLsOneNode(stdout, cur);
cur = cur->next;
}
return (0);
}
/**
* xmlShellBase:
* @ctxt: the shell context
* @arg: unused
* @node: a node
* @node2: unused
*
* Implements the XML shell function "base"
* dumps the current XML base of the node
*
* Returns 0
*/
int
xmlShellBase(xmlShellCtxtPtr ctxt ATTRIBUTE_UNUSED,
char *arg ATTRIBUTE_UNUSED, xmlNodePtr node,
xmlNodePtr node2 ATTRIBUTE_UNUSED)
{
xmlChar *base;
base = xmlNodeGetBase(node->doc, node);
if (base == NULL) {
printf(" No base found !!!\n");
} else {
printf("%s\n", base);
xmlFree(base);
}
return (0);
}
/**
* xmlShellDir:
* @ctxt: the shell context
* @arg: unused
* @node: a node
* @node2: unused
*
* Implements the XML shell function "dir"
* dumps informations about the node (namespace, attributes, content).
*
* Returns 0
*/
int
xmlShellDir(xmlShellCtxtPtr ctxt ATTRIBUTE_UNUSED,
char *arg ATTRIBUTE_UNUSED, xmlNodePtr node,
xmlNodePtr node2 ATTRIBUTE_UNUSED)
{
if ((node->type == XML_DOCUMENT_NODE) ||
(node->type == XML_HTML_DOCUMENT_NODE)) {
xmlDebugDumpDocumentHead(stdout, (xmlDocPtr) node);
} else if (node->type == XML_ATTRIBUTE_NODE) {
xmlDebugDumpAttr(stdout, (xmlAttrPtr) node, 0);
} else {
xmlDebugDumpOneNode(stdout, node, 0);
}
return (0);
}
/**
* xmlShellCat:
* @ctxt: the shell context
* @arg: unused
* @node: a node
* @node2: unused
*
* Implements the XML shell function "cat"
* dumps the serialization node content (XML or HTML).
*
* Returns 0
*/
int
xmlShellCat(xmlShellCtxtPtr ctxt, char *arg ATTRIBUTE_UNUSED,
xmlNodePtr node, xmlNodePtr node2 ATTRIBUTE_UNUSED)
{
if (ctxt->doc->type == XML_HTML_DOCUMENT_NODE) {
#ifdef LIBXML_HTML_ENABLED
if (node->type == XML_HTML_DOCUMENT_NODE)
htmlDocDump(stdout, (htmlDocPtr) node);
else
htmlNodeDumpFile(stdout, ctxt->doc, node);
#else
if (node->type == XML_DOCUMENT_NODE)
xmlDocDump(stdout, (xmlDocPtr) node);
else
xmlElemDump(stdout, ctxt->doc, node);
#endif /* LIBXML_HTML_ENABLED */
} else {
if (node->type == XML_DOCUMENT_NODE)
xmlDocDump(stdout, (xmlDocPtr) node);
else
xmlElemDump(stdout, ctxt->doc, node);
}
printf("\n");
return (0);
}
/**
* xmlShellLoad:
* @ctxt: the shell context
* @filename: the file name
* @node: unused
* @node2: unused
*
* Implements the XML shell function "load"
* loads a new document specified by the filename
*
* Returns 0 or -1 if loading failed
*/
int
xmlShellLoad(xmlShellCtxtPtr ctxt, char *filename,
xmlNodePtr node ATTRIBUTE_UNUSED,
xmlNodePtr node2 ATTRIBUTE_UNUSED)
{
xmlDocPtr doc;
int html = 0;
if (ctxt->doc != NULL)
html = (ctxt->doc->type == XML_HTML_DOCUMENT_NODE);
if (html) {
#ifdef LIBXML_HTML_ENABLED
doc = htmlParseFile(filename, NULL);
#else
printf("HTML support not compiled in\n");
doc = NULL;
#endif /* LIBXML_HTML_ENABLED */
} else {
doc = xmlParseFile(filename);
}
if (doc != NULL) {
if (ctxt->loaded == 1) {
xmlFreeDoc(ctxt->doc);
}
ctxt->loaded = 1;
#ifdef LIBXML_XPATH_ENABLED
xmlXPathFreeContext(ctxt->pctxt);
#endif /* LIBXML_XPATH_ENABLED */
xmlFree(ctxt->filename);
ctxt->doc = doc;
ctxt->node = (xmlNodePtr) doc;
#ifdef LIBXML_XPATH_ENABLED
ctxt->pctxt = xmlXPathNewContext(doc);
#endif /* LIBXML_XPATH_ENABLED */
ctxt->filename = (char *) xmlStrdup((xmlChar *) filename);
} else
return (-1);
return (0);
}
/**
* xmlShellWrite:
* @ctxt: the shell context
* @filename: the file name
* @node: a node in the tree
* @node2: unused
*
* Implements the XML shell function "write"
* Write the current node to the filename, it saves the serailization
* of the subtree under the @node specified
*
* Returns 0 or -1 in case of error
*/
int
xmlShellWrite(xmlShellCtxtPtr ctxt, char *filename, xmlNodePtr node,
xmlNodePtr node2 ATTRIBUTE_UNUSED)
{
if (node == NULL)
return (-1);
if ((filename == NULL) || (filename[0] == 0)) {
xmlGenericError(xmlGenericErrorContext,
"Write command requires a filename argument\n");
return (-1);
}
#ifdef W_OK
if (access((char *) filename, W_OK)) {
xmlGenericError(xmlGenericErrorContext,
"Cannot write to %s\n", filename);
return (-1);
}
#endif
switch (node->type) {
case XML_DOCUMENT_NODE:
if (xmlSaveFile((char *) filename, ctxt->doc) < -1) {
xmlGenericError(xmlGenericErrorContext,
"Failed to write to %s\n", filename);
return (-1);
}
break;
case XML_HTML_DOCUMENT_NODE:
#ifdef LIBXML_HTML_ENABLED
if (htmlSaveFile((char *) filename, ctxt->doc) < 0) {
xmlGenericError(xmlGenericErrorContext,
"Failed to write to %s\n", filename);
return (-1);
}
#else
if (xmlSaveFile((char *) filename, ctxt->doc) < -1) {
xmlGenericError(xmlGenericErrorContext,
"Failed to write to %s\n", filename);
return (-1);
}
#endif /* LIBXML_HTML_ENABLED */
break;
default:{
FILE *f;
f = fopen((char *) filename, "w");
if (f == NULL) {
xmlGenericError(xmlGenericErrorContext,
"Failed to write to %s\n", filename);
return (-1);
}
xmlElemDump(f, ctxt->doc, node);
fclose(f);
}
}
return (0);
}
/**
* xmlShellSave:
* @ctxt: the shell context
* @filename: the file name (optionnal)
* @node: unused
* @node2: unused
*
* Implements the XML shell function "save"
* Write the current document to the filename, or it's original name
*
* Returns 0 or -1 in case of error
*/
int
xmlShellSave(xmlShellCtxtPtr ctxt, char *filename,
xmlNodePtr node ATTRIBUTE_UNUSED,
xmlNodePtr node2 ATTRIBUTE_UNUSED)
{
if (ctxt->doc == NULL)
return (-1);
if ((filename == NULL) || (filename[0] == 0))
filename = ctxt->filename;
#ifdef W_OK
if (access((char *) filename, W_OK)) {
xmlGenericError(xmlGenericErrorContext,
"Cannot save to %s\n", filename);
return (-1);
}
#endif
switch (ctxt->doc->type) {
case XML_DOCUMENT_NODE:
if (xmlSaveFile((char *) filename, ctxt->doc) < 0) {
xmlGenericError(xmlGenericErrorContext,
"Failed to save to %s\n", filename);
}
break;
case XML_HTML_DOCUMENT_NODE:
#ifdef LIBXML_HTML_ENABLED
if (htmlSaveFile((char *) filename, ctxt->doc) < 0) {
xmlGenericError(xmlGenericErrorContext,
"Failed to save to %s\n", filename);
}
#else
if (xmlSaveFile((char *) filename, ctxt->doc) < 0) {
xmlGenericError(xmlGenericErrorContext,
"Failed to save to %s\n", filename);
}
#endif /* LIBXML_HTML_ENABLED */
break;
default:
xmlGenericError(xmlGenericErrorContext,
"To save to subparts of a document use the 'write' command\n");
return (-1);
}
return (0);
}
/**
* xmlShellValidate:
* @ctxt: the shell context
* @dtd: the DTD URI (optionnal)
* @node: unused
* @node2: unused
*
* Implements the XML shell function "validate"
* Validate the document, if a DTD path is provided, then the validation
* is done against the given DTD.
*
* Returns 0 or -1 in case of error
*/
int
xmlShellValidate(xmlShellCtxtPtr ctxt, char *dtd,
xmlNodePtr node ATTRIBUTE_UNUSED,
xmlNodePtr node2 ATTRIBUTE_UNUSED)
{
xmlValidCtxt vctxt;
int res = -1;
vctxt.userData = stderr;
vctxt.error = (xmlValidityErrorFunc) fprintf;
vctxt.warning = (xmlValidityWarningFunc) fprintf;
if ((dtd == NULL) || (dtd[0] == 0)) {
res = xmlValidateDocument(&vctxt, ctxt->doc);
} else {
xmlDtdPtr subset;
subset = xmlParseDTD(NULL, (xmlChar *) dtd);
if (subset != NULL) {
res = xmlValidateDtd(&vctxt, ctxt->doc, subset);
xmlFreeDtd(subset);
}
}
return (res);
}
/**
* xmlShellDu:
* @ctxt: the shell context
* @arg: unused
* @tree: a node defining a subtree
* @node2: unused
*
* Implements the XML shell function "du"
* show the structure of the subtree under node @tree
* If @tree is null, the command works on the current node.
*
* Returns 0 or -1 in case of error
*/
int
xmlShellDu(xmlShellCtxtPtr ctxt ATTRIBUTE_UNUSED,
char *arg ATTRIBUTE_UNUSED, xmlNodePtr tree,
xmlNodePtr node2 ATTRIBUTE_UNUSED)
{
xmlNodePtr node;
int indent = 0, i;
if (tree == NULL)
return (-1);
node = tree;
while (node != NULL) {
if ((node->type == XML_DOCUMENT_NODE) ||
(node->type == XML_HTML_DOCUMENT_NODE)) {
printf("/\n");
} else if (node->type == XML_ELEMENT_NODE) {
for (i = 0; i < indent; i++)
printf(" ");
printf("%s\n", node->name);
} else {
}
/*
* Browse the full subtree, deep first
*/
if ((node->type == XML_DOCUMENT_NODE) ||
(node->type == XML_HTML_DOCUMENT_NODE)) {
node = ((xmlDocPtr) node)->children;
} else if ((node->children != NULL)
&& (node->type != XML_ENTITY_REF_NODE)) {
/* deep first */
node = node->children;
indent++;
} else if ((node != tree) && (node->next != NULL)) {
/* then siblings */
node = node->next;
} else if (node != tree) {
/* go up to parents->next if needed */
while (node != tree) {
if (node->parent != NULL) {
node = node->parent;
indent--;
}
if ((node != tree) && (node->next != NULL)) {
node = node->next;
break;
}
if (node->parent == NULL) {
node = NULL;
break;
}
if (node == tree) {
node = NULL;
break;
}
}
/* exit condition */
if (node == tree)
node = NULL;
} else
node = NULL;
}
return (0);
}
/**
* xmlShellPwd:
* @ctxt: the shell context
* @buffer: the output buffer
* @tree: a node
* @node2: unused
*
* Implements the XML shell function "pwd"
* Show the full path from the root to the node, if needed building
* thumblers when similar elements exists at a given ancestor level.
* The output is compatible with XPath commands.
*
* Returns 0 or -1 in case of error
*/
int
xmlShellPwd(xmlShellCtxtPtr ctxt ATTRIBUTE_UNUSED, char *buffer,
xmlNodePtr node, xmlNodePtr node2 ATTRIBUTE_UNUSED)
{
xmlChar *path;
if (node == NULL)
return (-1);
path = xmlGetNodePath(node);
if (path == NULL)
return (-1);
/*
* This test prevents buffer overflow, because this routine
* is only called by xmlShell, in which the second argument is
* 500 chars long.
* It is a dirty hack before a cleaner solution is found.
* Documentation should mention that the second argument must
* be at least 500 chars long, and could be stripped if too long.
*/
snprintf(buffer, 499, "%s", path);
buffer[499] = '0';
xmlFree(path);
return (0);
}
/**
* xmlShell
* @doc: the initial document
* @filename: the output buffer
* @input: the line reading function
* @output: the output FILE*
*
* Implements the XML shell
* This allow to load, validate, view, modify and save a document
* using a environment similar to a UNIX commandline.
*/
void
xmlShell(xmlDocPtr doc, char *filename, xmlShellReadlineFunc input,
FILE * output)
{
char prompt[500] = "/ > ";
char *cmdline = NULL, *cur;
int nbargs;
char command[100];
char arg[400];
int i;
xmlShellCtxtPtr ctxt;
xmlXPathObjectPtr list;
if (doc == NULL)
return;
if (filename == NULL)
return;
if (input == NULL)
return;
if (output == NULL)
return;
ctxt = (xmlShellCtxtPtr) xmlMalloc(sizeof(xmlShellCtxt));
if (ctxt == NULL)
return;
ctxt->loaded = 0;
ctxt->doc = doc;
ctxt->input = input;
ctxt->output = output;
ctxt->filename = (char *) xmlStrdup((xmlChar *) filename);
ctxt->node = (xmlNodePtr) ctxt->doc;
#ifdef LIBXML_XPATH_ENABLED
ctxt->pctxt = xmlXPathNewContext(ctxt->doc);
if (ctxt->pctxt == NULL) {
xmlFree(ctxt);
return;
}
#endif /* LIBXML_XPATH_ENABLED */
while (1) {
if (ctxt->node == (xmlNodePtr) ctxt->doc)
sprintf(prompt, "%s > ", "/");
else if (ctxt->node->name)
snprintf(prompt, sizeof(prompt), "%s > ", ctxt->node->name);
else
sprintf(prompt, "? > ");
prompt[sizeof(prompt) - 1] = 0;
/*
* Get a new command line
*/
cmdline = ctxt->input(prompt);
if (cmdline == NULL)
break;
/*
* Parse the command itself
*/
cur = cmdline;
nbargs = 0;
while ((*cur == ' ') || (*cur == '\t'))
cur++;
i = 0;
while ((*cur != ' ') && (*cur != '\t') &&
(*cur != '\n') && (*cur != '\r')) {
if (*cur == 0)
break;
command[i++] = *cur++;
}
command[i] = 0;
if (i == 0)
continue;
nbargs++;
/*
* Parse the argument
*/
while ((*cur == ' ') || (*cur == '\t'))
cur++;
i = 0;
while ((*cur != '\n') && (*cur != '\r') && (*cur != 0)) {
if (*cur == 0)
break;
arg[i++] = *cur++;
}
arg[i] = 0;
if (i != 0)
nbargs++;
/*
* start interpreting the command
*/
if (!strcmp(command, "exit"))
break;
if (!strcmp(command, "quit"))
break;
if (!strcmp(command, "bye"))
break;
if (!strcmp(command, "help")) {
printf("\tbase display XML base of the node\n");
printf("\tbye leave shell\n");
printf("\tcat [node] display node or current node\n");
printf("\tcd [path] change directory to path or to root\n");
printf("\tdir [path] dumps informations about the node (namespace, attributes, content)\n");
printf("\tdu [path] show the structure of the subtree under path or the current node\n");
printf("\texit leave shell\n");
printf("\thelp display this help\n");
printf("\tfree display memory usage\n");
printf("\tload [name] load a new document with name\n");
printf("\tls [path] list contents of path or the current directory\n");
printf("\tpwd display current working directory\n");
printf("\tquit leave shell\n");
printf("\tsave [name] save this document to name or the original name\n");
printf("\tvalidate check the document for errors\n");
printf("\twrite [name] write the current node to the filename\n");
} else if (!strcmp(command, "validate")) {
xmlShellValidate(ctxt, arg, NULL, NULL);
} else if (!strcmp(command, "load")) {
xmlShellLoad(ctxt, arg, NULL, NULL);
} else if (!strcmp(command, "save")) {
xmlShellSave(ctxt, arg, NULL, NULL);
} else if (!strcmp(command, "write")) {
xmlShellWrite(ctxt, arg, NULL, NULL);
} else if (!strcmp(command, "free")) {
if (arg[0] == 0) {
xmlMemShow(stdout, 0);
} else {
int len = 0;
sscanf(arg, "%d", &len);
xmlMemShow(stdout, len);
}
} else if (!strcmp(command, "pwd")) {
char dir[500];
if (!xmlShellPwd(ctxt, dir, ctxt->node, NULL))
printf("%s\n", dir);
} else if (!strcmp(command, "du")) {
xmlShellDu(ctxt, NULL, ctxt->node, NULL);
} else if (!strcmp(command, "base")) {
xmlShellBase(ctxt, NULL, ctxt->node, NULL);
} else if ((!strcmp(command, "ls")) || (!strcmp(command, "dir"))) {
int dir = (!strcmp(command, "dir"));
if (arg[0] == 0) {
if (dir)
xmlShellDir(ctxt, NULL, ctxt->node, NULL);
else
xmlShellList(ctxt, NULL, ctxt->node, NULL);
} else {
ctxt->pctxt->node = ctxt->node;
#ifdef LIBXML_XPATH_ENABLED
ctxt->pctxt->node = ctxt->node;
list = xmlXPathEval((xmlChar *) arg, ctxt->pctxt);
#else
list = NULL;
#endif /* LIBXML_XPATH_ENABLED */
if (list != NULL) {
switch (list->type) {
case XPATH_UNDEFINED:
xmlGenericError(xmlGenericErrorContext,
"%s: no such node\n", arg);
break;
case XPATH_NODESET:{
int indx;
if (list->nodesetval == NULL)
break;
for (indx = 0;
indx < list->nodesetval->nodeNr;
indx++) {
if (dir)
xmlShellDir(ctxt, NULL,
list->nodesetval->
nodeTab[indx], NULL);
else
xmlShellList(ctxt, NULL,
list->nodesetval->
nodeTab[indx], NULL);
}
break;
}
case XPATH_BOOLEAN:
xmlGenericError(xmlGenericErrorContext,
"%s is a Boolean\n", arg);
break;
case XPATH_NUMBER:
xmlGenericError(xmlGenericErrorContext,
"%s is a number\n", arg);
break;
case XPATH_STRING:
xmlGenericError(xmlGenericErrorContext,
"%s is a string\n", arg);
break;
case XPATH_POINT:
xmlGenericError(xmlGenericErrorContext,
"%s is a point\n", arg);
break;
case XPATH_RANGE:
xmlGenericError(xmlGenericErrorContext,
"%s is a range\n", arg);
break;
case XPATH_LOCATIONSET:
xmlGenericError(xmlGenericErrorContext,
"%s is a range\n", arg);
break;
case XPATH_USERS:
xmlGenericError(xmlGenericErrorContext,
"%s is user-defined\n", arg);
break;
case XPATH_XSLT_TREE:
xmlGenericError(xmlGenericErrorContext,
"%s is an XSLT value tree\n",
arg);
break;
}
#ifdef LIBXML_XPATH_ENABLED
xmlXPathFreeObject(list);
#endif
} else {
xmlGenericError(xmlGenericErrorContext,
"%s: no such node\n", arg);
}
ctxt->pctxt->node = NULL;
}
} else if (!strcmp(command, "cd")) {
if (arg[0] == 0) {
ctxt->node = (xmlNodePtr) ctxt->doc;
} else {
#ifdef LIBXML_XPATH_ENABLED
ctxt->pctxt->node = ctxt->node;
list = xmlXPathEval((xmlChar *) arg, ctxt->pctxt);
#else
list = NULL;
#endif /* LIBXML_XPATH_ENABLED */
if (list != NULL) {
switch (list->type) {
case XPATH_UNDEFINED:
xmlGenericError(xmlGenericErrorContext,
"%s: no such node\n", arg);
break;
case XPATH_NODESET:
if (list->nodesetval != NULL) {
if (list->nodesetval->nodeNr == 1) {
ctxt->node = list->nodesetval->nodeTab[0];
} else
xmlGenericError(xmlGenericErrorContext,
"%s is a %d Node Set\n",
arg,
list->nodesetval->nodeNr);
} else
xmlGenericError(xmlGenericErrorContext,
"%s is an empty Node Set\n",
arg);
break;
case XPATH_BOOLEAN:
xmlGenericError(xmlGenericErrorContext,
"%s is a Boolean\n", arg);
break;
case XPATH_NUMBER:
xmlGenericError(xmlGenericErrorContext,
"%s is a number\n", arg);
break;
case XPATH_STRING:
xmlGenericError(xmlGenericErrorContext,
"%s is a string\n", arg);
break;
case XPATH_POINT:
xmlGenericError(xmlGenericErrorContext,
"%s is a point\n", arg);
break;
case XPATH_RANGE:
xmlGenericError(xmlGenericErrorContext,
"%s is a range\n", arg);
break;
case XPATH_LOCATIONSET:
xmlGenericError(xmlGenericErrorContext,
"%s is a range\n", arg);
break;
case XPATH_USERS:
xmlGenericError(xmlGenericErrorContext,
"%s is user-defined\n", arg);
break;
case XPATH_XSLT_TREE:
xmlGenericError(xmlGenericErrorContext,
"%s is an XSLT value tree\n",
arg);
break;
}
#ifdef LIBXML_XPATH_ENABLED
xmlXPathFreeObject(list);
#endif
} else {
xmlGenericError(xmlGenericErrorContext,
"%s: no such node\n", arg);
}
ctxt->pctxt->node = NULL;
}
} else if (!strcmp(command, "cat")) {
if (arg[0] == 0) {
xmlShellCat(ctxt, NULL, ctxt->node, NULL);
} else {
ctxt->pctxt->node = ctxt->node;
#ifdef LIBXML_XPATH_ENABLED
ctxt->pctxt->node = ctxt->node;
list = xmlXPathEval((xmlChar *) arg, ctxt->pctxt);
#else
list = NULL;
#endif /* LIBXML_XPATH_ENABLED */
if (list != NULL) {
switch (list->type) {
case XPATH_UNDEFINED:
xmlGenericError(xmlGenericErrorContext,
"%s: no such node\n", arg);
break;
case XPATH_NODESET:{
int indx;
if (list->nodesetval == NULL)
break;
for (indx = 0;
indx < list->nodesetval->nodeNr;
indx++) {
if (i > 0)
printf(" -------\n");
xmlShellCat(ctxt, NULL,
list->nodesetval->
nodeTab[indx], NULL);
}
break;
}
case XPATH_BOOLEAN:
xmlGenericError(xmlGenericErrorContext,
"%s is a Boolean\n", arg);
break;
case XPATH_NUMBER:
xmlGenericError(xmlGenericErrorContext,
"%s is a number\n", arg);
break;
case XPATH_STRING:
xmlGenericError(xmlGenericErrorContext,
"%s is a string\n", arg);
break;
case XPATH_POINT:
xmlGenericError(xmlGenericErrorContext,
"%s is a point\n", arg);
break;
case XPATH_RANGE:
xmlGenericError(xmlGenericErrorContext,
"%s is a range\n", arg);
break;
case XPATH_LOCATIONSET:
xmlGenericError(xmlGenericErrorContext,
"%s is a range\n", arg);
break;
case XPATH_USERS:
xmlGenericError(xmlGenericErrorContext,
"%s is user-defined\n", arg);
break;
case XPATH_XSLT_TREE:
xmlGenericError(xmlGenericErrorContext,
"%s is an XSLT value tree\n",
arg);
break;
}
#ifdef LIBXML_XPATH_ENABLED
xmlXPathFreeObject(list);
#endif
} else {
xmlGenericError(xmlGenericErrorContext,
"%s: no such node\n", arg);
}
ctxt->pctxt->node = NULL;
}
} else {
xmlGenericError(xmlGenericErrorContext,
"Unknown command %s\n", command);
}
free(cmdline); /* not xmlFree here ! */
}
#ifdef LIBXML_XPATH_ENABLED
xmlXPathFreeContext(ctxt->pctxt);
#endif /* LIBXML_XPATH_ENABLED */
if (ctxt->loaded) {
xmlFreeDoc(ctxt->doc);
}
if (ctxt->filename != NULL)
xmlFree(ctxt->filename);
xmlFree(ctxt);
if (cmdline != NULL)
free(cmdline); /* not xmlFree here ! */
}
#endif /* LIBXML_DEBUG_ENABLED */