valid.c
上传用户:sy_wanhua
上传日期:2013-07-25
资源大小:3048k
文件大小:102k
- /*
- * valid.c : part of the code use to do the DTD handling and the validity
- * checking
- *
- * See Copyright for the status of this software.
- *
- * Daniel.Veillard@w3.org
- */
- #ifdef WIN32
- #include "win32config.h"
- #else
- #include "config.h"
- #endif
- #include <stdio.h>
- #include <string.h>
- #ifdef HAVE_STDLIB_H
- #include <stdlib.h>
- #endif
- #include <libxml/xmlmemory.h>
- #include <libxml/valid.h>
- #include <libxml/parser.h>
- #include <libxml/parserInternals.h>
- /*
- * Generic function for accessing stacks in the Validity Context
- */
- #define PUSH_AND_POP(scope, type, name)
- scope int name##VPush(xmlValidCtxtPtr ctxt, type value) {
- if (ctxt->name##Nr >= ctxt->name##Max) {
- ctxt->name##Max *= 2;
- ctxt->name##Tab = (void *) xmlRealloc(ctxt->name##Tab,
- ctxt->name##Max * sizeof(ctxt->name##Tab[0]));
- if (ctxt->name##Tab == NULL) {
- fprintf(stderr, "realloc failed !n");
- return(0);
- }
- }
- ctxt->name##Tab[ctxt->name##Nr] = value;
- ctxt->name = value;
- return(ctxt->name##Nr++);
- }
- scope type name##VPop(xmlValidCtxtPtr ctxt) {
- type ret;
- if (ctxt->name##Nr <= 0) return(0);
- ctxt->name##Nr--;
- if (ctxt->name##Nr > 0)
- ctxt->name = ctxt->name##Tab[ctxt->name##Nr - 1];
- else
- ctxt->name = NULL;
- ret = ctxt->name##Tab[ctxt->name##Nr];
- ctxt->name##Tab[ctxt->name##Nr] = 0;
- return(ret);
- }
- PUSH_AND_POP(static, xmlNodePtr, node)
- /* #define DEBUG_VALID_ALGO */
- #ifdef DEBUG_VALID_ALGO
- void xmlValidPrintNodeList(xmlNodePtr cur) {
- if (cur == NULL)
- fprintf(stderr, "null ");
- while (cur != NULL) {
- switch (cur->type) {
- case XML_ELEMENT_NODE:
- fprintf(stderr, "%s ", cur->name);
- break;
- case XML_TEXT_NODE:
- fprintf(stderr, "text ");
- break;
- case XML_CDATA_SECTION_NODE:
- fprintf(stderr, "cdata ");
- break;
- case XML_ENTITY_REF_NODE:
- fprintf(stderr, "&%s; ", cur->name);
- break;
- case XML_PI_NODE:
- fprintf(stderr, "pi(%s) ", cur->name);
- break;
- case XML_COMMENT_NODE:
- fprintf(stderr, "comment ");
- break;
- case XML_ATTRIBUTE_NODE:
- fprintf(stderr, "?attr? ");
- break;
- case XML_ENTITY_NODE:
- fprintf(stderr, "?ent? ");
- break;
- case XML_DOCUMENT_NODE:
- fprintf(stderr, "?doc? ");
- break;
- case XML_DOCUMENT_TYPE_NODE:
- fprintf(stderr, "?doctype? ");
- break;
- case XML_DOCUMENT_FRAG_NODE:
- fprintf(stderr, "?frag? ");
- break;
- case XML_NOTATION_NODE:
- fprintf(stderr, "?nota? ");
- break;
- case XML_HTML_DOCUMENT_NODE:
- fprintf(stderr, "?html? ");
- break;
- case XML_DTD_NODE:
- fprintf(stderr, "?dtd? ");
- break;
- case XML_ELEMENT_DECL:
- fprintf(stderr, "?edecl? ");
- break;
- case XML_ATTRIBUTE_DECL:
- fprintf(stderr, "?adecl? ");
- break;
- case XML_ENTITY_DECL:
- fprintf(stderr, "?entdecl? ");
- break;
- }
- cur = cur->next;
- }
- }
- void xmlValidDebug(xmlNodePtr cur, xmlElementContentPtr cont) {
- char expr[1000];
- expr[0] = 0;
- fprintf(stderr, "valid: ");
- xmlValidPrintNodeList(cur);
- fprintf(stderr, "against ");
- xmlSprintfElementContent(expr, cont, 0);
- fprintf(stderr, "%sn", expr);
- }
- #define DEBUG_VALID_STATE(n,c) xmlValidDebug(n,c);
- #else
- #define DEBUG_VALID_STATE(n,c)
- #endif
- /* TODO: use hash table for accesses to elem and attribute dedinitions */
- #define VERROR
- if ((ctxt != NULL) && (ctxt->error != NULL)) ctxt->error
- #define VWARNING
- if ((ctxt != NULL) && (ctxt->warning != NULL)) ctxt->warning
- #define CHECK_DTD
- if (doc == NULL) return(0);
- else if (doc->intSubset == NULL) return(0)
- xmlElementPtr xmlGetDtdElementDesc(xmlDtdPtr dtd, const xmlChar *name);
- xmlAttributePtr xmlScanAttributeDecl(xmlDtdPtr dtd, const xmlChar *elem);
- /****************************************************************
- * *
- * Util functions for data allocation/deallocation *
- * *
- ****************************************************************/
- /**
- * xmlNewElementContent:
- * @name: the subelement name or NULL
- * @type: the type of element content decl
- *
- * Allocate an element content structure.
- *
- * Returns NULL if not, othervise the new element content structure
- */
- xmlElementContentPtr
- xmlNewElementContent(xmlChar *name, xmlElementContentType type) {
- xmlElementContentPtr ret;
- switch(type) {
- case XML_ELEMENT_CONTENT_ELEMENT:
- if (name == NULL) {
- fprintf(stderr, "xmlNewElementContent : name == NULL !n");
- }
- break;
- case XML_ELEMENT_CONTENT_PCDATA:
- case XML_ELEMENT_CONTENT_SEQ:
- case XML_ELEMENT_CONTENT_OR:
- if (name != NULL) {
- fprintf(stderr, "xmlNewElementContent : name != NULL !n");
- }
- break;
- default:
- fprintf(stderr, "xmlNewElementContent: unknown type %dn", type);
- return(NULL);
- }
- ret = (xmlElementContentPtr) xmlMalloc(sizeof(xmlElementContent));
- if (ret == NULL) {
- fprintf(stderr, "xmlNewElementContent : out of memory!n");
- return(NULL);
- }
- ret->type = type;
- ret->ocur = XML_ELEMENT_CONTENT_ONCE;
- if (name != NULL)
- ret->name = xmlStrdup(name);
- else
- ret->name = NULL;
- ret->c1 = ret->c2 = NULL;
- return(ret);
- }
- /**
- * xmlCopyElementContent:
- * @content: An element content pointer.
- *
- * Build a copy of an element content description.
- *
- * Returns the new xmlElementContentPtr or NULL in case of error.
- */
- xmlElementContentPtr
- xmlCopyElementContent(xmlElementContentPtr cur) {
- xmlElementContentPtr ret;
- if (cur == NULL) return(NULL);
- ret = xmlNewElementContent((xmlChar *) cur->name, cur->type);
- if (ret == NULL) {
- fprintf(stderr, "xmlCopyElementContent : out of memoryn");
- return(NULL);
- }
- ret->ocur = cur->ocur;
- if (cur->c1 != NULL) ret->c1 = xmlCopyElementContent(cur->c1);
- if (cur->c2 != NULL) ret->c2 = xmlCopyElementContent(cur->c2);
- return(ret);
- }
- /**
- * xmlFreeElementContent:
- * @cur: the element content tree to free
- *
- * Free an element content structure. This is a recursive call !
- */
- void
- xmlFreeElementContent(xmlElementContentPtr cur) {
- if (cur == NULL) return;
- if (cur->c1 != NULL) xmlFreeElementContent(cur->c1);
- if (cur->c2 != NULL) xmlFreeElementContent(cur->c2);
- if (cur->name != NULL) xmlFree((xmlChar *) cur->name);
- memset(cur, -1, sizeof(xmlElementContent));
- xmlFree(cur);
- }
- /**
- * xmlDumpElementContent:
- * @buf: An XML buffer
- * @content: An element table
- * @glob: 1 if one must print the englobing parenthesis, 0 otherwise
- *
- * This will dump the content of the element table as an XML DTD definition
- */
- void
- xmlDumpElementContent(xmlBufferPtr buf, xmlElementContentPtr content, int glob) {
- if (content == NULL) return;
- if (glob) xmlBufferWriteChar(buf, "(");
- switch (content->type) {
- case XML_ELEMENT_CONTENT_PCDATA:
- xmlBufferWriteChar(buf, "#PCDATA");
- break;
- case XML_ELEMENT_CONTENT_ELEMENT:
- xmlBufferWriteCHAR(buf, content->name);
- break;
- case XML_ELEMENT_CONTENT_SEQ:
- if ((content->c1->type == XML_ELEMENT_CONTENT_OR) ||
- (content->c1->type == XML_ELEMENT_CONTENT_SEQ))
- xmlDumpElementContent(buf, content->c1, 1);
- else
- xmlDumpElementContent(buf, content->c1, 0);
- xmlBufferWriteChar(buf, " , ");
- if (content->c2->type == XML_ELEMENT_CONTENT_OR)
- xmlDumpElementContent(buf, content->c2, 1);
- else
- xmlDumpElementContent(buf, content->c2, 0);
- break;
- case XML_ELEMENT_CONTENT_OR:
- if ((content->c1->type == XML_ELEMENT_CONTENT_OR) ||
- (content->c1->type == XML_ELEMENT_CONTENT_SEQ))
- xmlDumpElementContent(buf, content->c1, 1);
- else
- xmlDumpElementContent(buf, content->c1, 0);
- xmlBufferWriteChar(buf, " | ");
- if (content->c2->type == XML_ELEMENT_CONTENT_SEQ)
- xmlDumpElementContent(buf, content->c2, 1);
- else
- xmlDumpElementContent(buf, content->c2, 0);
- break;
- default:
- fprintf(stderr, "xmlDumpElementContent: unknown type %dn",
- content->type);
- }
- if (glob)
- xmlBufferWriteChar(buf, ")");
- switch (content->ocur) {
- case XML_ELEMENT_CONTENT_ONCE:
- break;
- case XML_ELEMENT_CONTENT_OPT:
- xmlBufferWriteChar(buf, "?");
- break;
- case XML_ELEMENT_CONTENT_MULT:
- xmlBufferWriteChar(buf, "*");
- break;
- case XML_ELEMENT_CONTENT_PLUS:
- xmlBufferWriteChar(buf, "+");
- break;
- }
- }
- /**
- * xmlSprintfElementContent:
- * @buf: an output buffer
- * @content: An element table
- * @glob: 1 if one must print the englobing parenthesis, 0 otherwise
- *
- * This will dump the content of the element content definition
- * Intended just for the debug routine
- */
- void
- xmlSprintfElementContent(char *buf, xmlElementContentPtr content, int glob) {
- if (content == NULL) return;
- if (glob) strcat(buf, "(");
- switch (content->type) {
- case XML_ELEMENT_CONTENT_PCDATA:
- strcat(buf, "#PCDATA");
- break;
- case XML_ELEMENT_CONTENT_ELEMENT:
- strcat(buf, (char *) content->name);
- break;
- case XML_ELEMENT_CONTENT_SEQ:
- if ((content->c1->type == XML_ELEMENT_CONTENT_OR) ||
- (content->c1->type == XML_ELEMENT_CONTENT_SEQ))
- xmlSprintfElementContent(buf, content->c1, 1);
- else
- xmlSprintfElementContent(buf, content->c1, 0);
- strcat(buf, " , ");
- if (content->c2->type == XML_ELEMENT_CONTENT_OR)
- xmlSprintfElementContent(buf, content->c2, 1);
- else
- xmlSprintfElementContent(buf, content->c2, 0);
- break;
- case XML_ELEMENT_CONTENT_OR:
- if ((content->c1->type == XML_ELEMENT_CONTENT_OR) ||
- (content->c1->type == XML_ELEMENT_CONTENT_SEQ))
- xmlSprintfElementContent(buf, content->c1, 1);
- else
- xmlSprintfElementContent(buf, content->c1, 0);
- strcat(buf, " | ");
- if (content->c2->type == XML_ELEMENT_CONTENT_SEQ)
- xmlSprintfElementContent(buf, content->c2, 1);
- else
- xmlSprintfElementContent(buf, content->c2, 0);
- break;
- }
- if (glob)
- strcat(buf, ")");
- switch (content->ocur) {
- case XML_ELEMENT_CONTENT_ONCE:
- break;
- case XML_ELEMENT_CONTENT_OPT:
- strcat(buf, "?");
- break;
- case XML_ELEMENT_CONTENT_MULT:
- strcat(buf, "*");
- break;
- case XML_ELEMENT_CONTENT_PLUS:
- strcat(buf, "+");
- break;
- }
- }
- /****************************************************************
- * *
- * Registration of DTD declarations *
- * *
- ****************************************************************/
- /**
- * xmlCreateElementTable:
- *
- * create and initialize an empty element hash table.
- *
- * Returns the xmlElementTablePtr just created or NULL in case of error.
- */
- xmlElementTablePtr
- xmlCreateElementTable(void) {
- xmlElementTablePtr ret;
- ret = (xmlElementTablePtr)
- xmlMalloc(sizeof(xmlElementTable));
- if (ret == NULL) {
- fprintf(stderr, "xmlCreateElementTable : xmlMalloc(%ld) failedn",
- (long)sizeof(xmlElementTable));
- return(NULL);
- }
- ret->max_elements = XML_MIN_ELEMENT_TABLE;
- ret->nb_elements = 0;
- ret->table = (xmlElementPtr *)
- xmlMalloc(ret->max_elements * sizeof(xmlElementPtr));
- if (ret == NULL) {
- fprintf(stderr, "xmlCreateElementTable : xmlMalloc(%ld) failedn",
- ret->max_elements * (long)sizeof(xmlElement));
- xmlFree(ret);
- return(NULL);
- }
- return(ret);
- }
- /**
- * xmlAddElementDecl:
- * @ctxt: the validation context
- * @dtd: pointer to the DTD
- * @name: the entity name
- * @type: the element type
- * @content: the element content tree or NULL
- *
- * Register a new element declaration
- *
- * Returns NULL if not, othervise the entity
- */
- xmlElementPtr
- xmlAddElementDecl(xmlValidCtxtPtr ctxt, xmlDtdPtr dtd, const xmlChar *name,
- xmlElementTypeVal type,
- xmlElementContentPtr content) {
- xmlElementPtr ret, cur;
- xmlElementTablePtr table;
- int i;
- if (dtd == NULL) {
- fprintf(stderr, "xmlAddElementDecl: dtd == NULLn");
- return(NULL);
- }
- if (name == NULL) {
- fprintf(stderr, "xmlAddElementDecl: name == NULLn");
- return(NULL);
- }
- switch (type) {
- case XML_ELEMENT_TYPE_EMPTY:
- if (content != NULL) {
- fprintf(stderr,
- "xmlAddElementDecl: content != NULL for EMPTYn");
- return(NULL);
- }
- break;
- case XML_ELEMENT_TYPE_ANY:
- if (content != NULL) {
- fprintf(stderr,
- "xmlAddElementDecl: content != NULL for ANYn");
- return(NULL);
- }
- break;
- case XML_ELEMENT_TYPE_MIXED:
- if (content == NULL) {
- fprintf(stderr,
- "xmlAddElementDecl: content == NULL for MIXEDn");
- return(NULL);
- }
- break;
- case XML_ELEMENT_TYPE_ELEMENT:
- if (content == NULL) {
- fprintf(stderr,
- "xmlAddElementDecl: content == NULL for ELEMENTn");
- return(NULL);
- }
- break;
- default:
- fprintf(stderr, "xmlAddElementDecl: unknown type %dn", type);
- return(NULL);
- }
- /*
- * Create the Element table if needed.
- */
- table = dtd->elements;
- if (table == NULL)
- table = dtd->elements = xmlCreateElementTable();
- if (table == NULL) {
- fprintf(stderr, "xmlAddElementDecl: Table creation failed!n");
- return(NULL);
- }
- /*
- * Validity Check:
- * Search the DTD for previous declarations of the ELEMENT
- */
- for (i = 0;i < table->nb_elements;i++) {
- cur = table->table[i];
- if (!xmlStrcmp(cur->name, name)) {
- /*
- * The element is already defined in this Dtd.
- */
- VERROR(ctxt->userData, "Redefinition of element %sn", name);
- return(NULL);
- }
- }
- /*
- * Grow the table, if needed.
- */
- if (table->nb_elements >= table->max_elements) {
- /*
- * need more elements.
- */
- table->max_elements *= 2;
- table->table = (xmlElementPtr *)
- xmlRealloc(table->table, table->max_elements * sizeof(xmlElementPtr));
- if (table->table == NULL) {
- fprintf(stderr, "xmlAddElementDecl: out of memoryn");
- return(NULL);
- }
- }
- ret = (xmlElementPtr) xmlMalloc(sizeof(xmlElement));
- if (ret == NULL) {
- fprintf(stderr, "xmlAddElementDecl: out of memoryn");
- return(NULL);
- }
- memset(ret, 0, sizeof(xmlElement));
- ret->type = XML_ELEMENT_DECL;
- table->table[table->nb_elements] = ret;
- /*
- * fill the structure.
- */
- ret->etype = type;
- ret->name = xmlStrdup(name);
- ret->content = xmlCopyElementContent(content);
- ret->attributes = xmlScanAttributeDecl(dtd, name);
- table->nb_elements++;
- /*
- * Link it to the Dtd
- */
- ret->parent = dtd;
- ret->doc = dtd->doc;
- if (dtd->last == NULL) {
- dtd->children = dtd->last = (xmlNodePtr) ret;
- } else {
- dtd->last->next = (xmlNodePtr) ret;
- ret->prev = dtd->last;
- dtd->last = (xmlNodePtr) ret;
- }
- return(ret);
- }
- /**
- * xmlFreeElement:
- * @elem: An element
- *
- * Deallocate the memory used by an element definition
- */
- void
- xmlFreeElement(xmlElementPtr elem) {
- if (elem == NULL) return;
- xmlUnlinkNode((xmlNodePtr) elem);
- xmlFreeElementContent(elem->content);
- if (elem->name != NULL)
- xmlFree((xmlChar *) elem->name);
- memset(elem, -1, sizeof(xmlElement));
- xmlFree(elem);
- }
- /**
- * xmlFreeElementTable:
- * @table: An element table
- *
- * Deallocate the memory used by an element hash table.
- */
- void
- xmlFreeElementTable(xmlElementTablePtr table) {
- int i;
- if (table == NULL) return;
- for (i = 0;i < table->nb_elements;i++) {
- xmlFreeElement(table->table[i]);
- }
- xmlFree(table->table);
- xmlFree(table);
- }
- /**
- * xmlCopyElementTable:
- * @table: An element table
- *
- * Build a copy of an element table.
- *
- * Returns the new xmlElementTablePtr or NULL in case of error.
- */
- xmlElementTablePtr
- xmlCopyElementTable(xmlElementTablePtr table) {
- xmlElementTablePtr ret;
- xmlElementPtr cur, ent;
- int i;
- ret = (xmlElementTablePtr) xmlMalloc(sizeof(xmlElementTable));
- if (ret == NULL) {
- fprintf(stderr, "xmlCopyElementTable: out of memory !n");
- return(NULL);
- }
- ret->table = (xmlElementPtr *) xmlMalloc(table->max_elements *
- sizeof(xmlElementPtr));
- if (ret->table == NULL) {
- fprintf(stderr, "xmlCopyElementTable: out of memory !n");
- xmlFree(ret);
- return(NULL);
- }
- ret->max_elements = table->max_elements;
- ret->nb_elements = table->nb_elements;
- for (i = 0;i < ret->nb_elements;i++) {
- cur = (xmlElementPtr) xmlMalloc(sizeof(xmlElement));
- if (cur == NULL) {
- fprintf(stderr, "xmlCopyElementTable: out of memory !n");
- xmlFree(ret);
- xmlFree(ret->table);
- return(NULL);
- }
- memset(cur, 0, sizeof(xmlElement));
- cur->type = XML_ELEMENT_DECL;
- ret->table[i] = cur;
- ent = table->table[i];
- cur->etype = ent->etype;
- if (ent->name != NULL)
- cur->name = xmlStrdup(ent->name);
- else
- cur->name = NULL;
- cur->content = xmlCopyElementContent(ent->content);
- /* TODO : rebuild the attribute list on the copy */
- cur->attributes = NULL;
- }
- return(ret);
- }
- /**
- * xmlDumpElementDecl:
- * @buf: the XML buffer output
- * @elem: An element table
- *
- * This will dump the content of the element declaration as an XML
- * DTD definition
- */
- void
- xmlDumpElementDecl(xmlBufferPtr buf, xmlElementPtr elem) {
- switch (elem->etype) {
- case XML_ELEMENT_TYPE_EMPTY:
- xmlBufferWriteChar(buf, "<!ELEMENT ");
- xmlBufferWriteCHAR(buf, elem->name);
- xmlBufferWriteChar(buf, " EMPTY>n");
- break;
- case XML_ELEMENT_TYPE_ANY:
- xmlBufferWriteChar(buf, "<!ELEMENT ");
- xmlBufferWriteCHAR(buf, elem->name);
- xmlBufferWriteChar(buf, " ANY>n");
- break;
- case XML_ELEMENT_TYPE_MIXED:
- xmlBufferWriteChar(buf, "<!ELEMENT ");
- xmlBufferWriteCHAR(buf, elem->name);
- xmlBufferWriteChar(buf, " ");
- xmlDumpElementContent(buf, elem->content, 1);
- xmlBufferWriteChar(buf, ">n");
- break;
- case XML_ELEMENT_TYPE_ELEMENT:
- xmlBufferWriteChar(buf, "<!ELEMENT ");
- xmlBufferWriteCHAR(buf, elem->name);
- xmlBufferWriteChar(buf, " ");
- xmlDumpElementContent(buf, elem->content, 1);
- xmlBufferWriteChar(buf, ">n");
- break;
- default:
- fprintf(stderr,
- "xmlDumpElementDecl: internal: unknown type %dn",
- elem->etype);
- }
- }
- /**
- * xmlDumpElementTable:
- * @buf: the XML buffer output
- * @table: An element table
- *
- * This will dump the content of the element table as an XML DTD definition
- */
- void
- xmlDumpElementTable(xmlBufferPtr buf, xmlElementTablePtr table) {
- int i;
- xmlElementPtr cur;
- if (table == NULL) return;
- for (i = 0;i < table->nb_elements;i++) {
- cur = table->table[i];
- xmlDumpElementDecl(buf, cur);
- }
- }
- /**
- * xmlCreateEnumeration:
- * @name: the enumeration name or NULL
- *
- * create and initialize an enumeration attribute node.
- *
- * Returns the xmlEnumerationPtr just created or NULL in case
- * of error.
- */
- xmlEnumerationPtr
- xmlCreateEnumeration(xmlChar *name) {
- xmlEnumerationPtr ret;
- ret = (xmlEnumerationPtr) xmlMalloc(sizeof(xmlEnumeration));
- if (ret == NULL) {
- fprintf(stderr, "xmlCreateEnumeration : xmlMalloc(%ld) failedn",
- (long)sizeof(xmlEnumeration));
- return(NULL);
- }
- memset(ret, 0, sizeof(xmlEnumeration));
- if (name != NULL)
- ret->name = xmlStrdup(name);
- return(ret);
- }
- /**
- * xmlFreeEnumeration:
- * @cur: the tree to free.
- *
- * free an enumeration attribute node (recursive).
- */
- void
- xmlFreeEnumeration(xmlEnumerationPtr cur) {
- if (cur == NULL) return;
- if (cur->next != NULL) xmlFreeEnumeration(cur->next);
- if (cur->name != NULL) xmlFree((xmlChar *) cur->name);
- memset(cur, -1, sizeof(xmlEnumeration));
- xmlFree(cur);
- }
- /**
- * xmlCopyEnumeration:
- * @cur: the tree to copy.
- *
- * Copy an enumeration attribute node (recursive).
- *
- * Returns the xmlEnumerationPtr just created or NULL in case
- * of error.
- */
- xmlEnumerationPtr
- xmlCopyEnumeration(xmlEnumerationPtr cur) {
- xmlEnumerationPtr ret;
- if (cur == NULL) return(NULL);
- ret = xmlCreateEnumeration((xmlChar *) cur->name);
- if (cur->next != NULL) ret->next = xmlCopyEnumeration(cur->next);
- else ret->next = NULL;
- return(ret);
- }
- /**
- * xmlDumpEnumeration:
- * @buf: the XML buffer output
- * @enum: An enumeration
- *
- * This will dump the content of the enumeration
- */
- void
- xmlDumpEnumeration(xmlBufferPtr buf, xmlEnumerationPtr cur) {
- if (cur == NULL) return;
-
- xmlBufferWriteCHAR(buf, cur->name);
- if (cur->next == NULL)
- xmlBufferWriteChar(buf, ")");
- else {
- xmlBufferWriteChar(buf, " | ");
- xmlDumpEnumeration(buf, cur->next);
- }
- }
- /**
- * xmlCreateAttributeTable:
- *
- * create and initialize an empty attribute hash table.
- *
- * Returns the xmlAttributeTablePtr just created or NULL in case
- * of error.
- */
- xmlAttributeTablePtr
- xmlCreateAttributeTable(void) {
- xmlAttributeTablePtr ret;
- ret = (xmlAttributeTablePtr)
- xmlMalloc(sizeof(xmlAttributeTable));
- if (ret == NULL) {
- fprintf(stderr, "xmlCreateAttributeTable : xmlMalloc(%ld) failedn",
- (long)sizeof(xmlAttributeTable));
- return(NULL);
- }
- ret->max_attributes = XML_MIN_ATTRIBUTE_TABLE;
- ret->nb_attributes = 0;
- ret->table = (xmlAttributePtr *)
- xmlMalloc(ret->max_attributes * sizeof(xmlAttributePtr));
- if (ret == NULL) {
- fprintf(stderr, "xmlCreateAttributeTable : xmlMalloc(%ld) failedn",
- ret->max_attributes * (long)sizeof(xmlAttributePtr));
- xmlFree(ret);
- return(NULL);
- }
- return(ret);
- }
- /**
- * xmlScanAttributeDecl:
- * @dtd: pointer to the DTD
- * @elem: the element name
- *
- * When inserting a new element scan the DtD for existing attributes
- * for taht element and initialize the Attribute chain
- *
- * Returns the pointer to the first attribute decl in the chain,
- * possibly NULL.
- */
- xmlAttributePtr
- xmlScanAttributeDecl(xmlDtdPtr dtd, const xmlChar *elem) {
- xmlAttributePtr ret = NULL;
- xmlAttributeTablePtr table;
- int i;
- if (dtd == NULL) {
- fprintf(stderr, "xmlScanAttributeDecl: dtd == NULLn");
- return(NULL);
- }
- if (elem == NULL) {
- fprintf(stderr, "xmlScanAttributeDecl: elem == NULLn");
- return(NULL);
- }
- table = dtd->attributes;
- if (table == NULL)
- return(NULL);
- for (i = 0;i < table->nb_attributes;i++) {
- if (!xmlStrcmp(table->table[i]->elem, elem)) {
- table->table[i]->nexth = ret;
- ret = table->table[i];
- }
- }
- return(ret);
- }
- /**
- * xmlScanIDAttributeDecl:
- * @ctxt: the validation context
- * @elem: the element name
- *
- * Verify that the element don't have too many ID attributes
- * declared.
- *
- * Returns the number of ID attributes found.
- */
- int
- xmlScanIDAttributeDecl(xmlValidCtxtPtr ctxt, xmlElementPtr elem) {
- xmlAttributePtr cur;
- int ret = 0;
- if (elem == NULL) return(0);
- cur = elem->attributes;
- while (cur != NULL) {
- if (cur->atype == XML_ATTRIBUTE_ID) {
- ret ++;
- if (ret > 1)
- VERROR(ctxt->userData,
- "Element %s has too may ID attributes defined : %sn",
- elem->name, cur->name);
- }
- cur = cur->nexth;
- }
- return(ret);
- }
- /**
- * xmlAddAttributeDecl:
- * @ctxt: the validation context
- * @dtd: pointer to the DTD
- * @elem: the element name
- * @name: the attribute name
- * @ns: the attribute namespace prefix
- * @type: the attribute type
- * @def: the attribute default type
- * @defaultValue: the attribute default value
- * @tree: if it's an enumeration, the associated list
- *
- * Register a new attribute declaration
- *
- * Returns NULL if not, othervise the entity
- */
- xmlAttributePtr
- xmlAddAttributeDecl(xmlValidCtxtPtr ctxt, xmlDtdPtr dtd, const xmlChar *elem,
- const xmlChar *name, const xmlChar *ns,
- xmlAttributeType type, xmlAttributeDefault def,
- const xmlChar *defaultValue, xmlEnumerationPtr tree) {
- xmlAttributePtr ret, cur;
- xmlAttributeTablePtr table;
- xmlElementPtr elemDef;
- int i;
- if (dtd == NULL) {
- fprintf(stderr, "xmlAddAttributeDecl: dtd == NULLn");
- return(NULL);
- }
- if (name == NULL) {
- fprintf(stderr, "xmlAddAttributeDecl: name == NULLn");
- return(NULL);
- }
- if (elem == NULL) {
- fprintf(stderr, "xmlAddAttributeDecl: elem == NULLn");
- return(NULL);
- }
- /*
- * Check the type and possibly the default value.
- */
- switch (type) {
- case XML_ATTRIBUTE_CDATA:
- break;
- case XML_ATTRIBUTE_ID:
- break;
- case XML_ATTRIBUTE_IDREF:
- break;
- case XML_ATTRIBUTE_IDREFS:
- break;
- case XML_ATTRIBUTE_ENTITY:
- break;
- case XML_ATTRIBUTE_ENTITIES:
- break;
- case XML_ATTRIBUTE_NMTOKEN:
- break;
- case XML_ATTRIBUTE_NMTOKENS:
- break;
- case XML_ATTRIBUTE_ENUMERATION:
- break;
- case XML_ATTRIBUTE_NOTATION:
- break;
- default:
- fprintf(stderr, "xmlAddAttributeDecl: unknown type %dn", type);
- return(NULL);
- }
- if ((defaultValue != NULL) &&
- (!xmlValidateAttributeValue(type, defaultValue))) {
- VERROR(ctxt->userData, "Attribute %s on %s: invalid default valuen",
- elem, name, defaultValue);
- defaultValue = NULL;
- }
- /*
- * Create the Attribute table if needed.
- */
- table = dtd->attributes;
- if (table == NULL)
- table = dtd->attributes = xmlCreateAttributeTable();
- if (table == NULL) {
- fprintf(stderr, "xmlAddAttributeDecl: Table creation failed!n");
- return(NULL);
- }
- /*
- * Validity Check:
- * Search the DTD for previous declarations of the ATTLIST
- */
- for (i = 0;i < table->nb_attributes;i++) {
- cur = table->table[i];
- if ((ns != NULL) && (cur->prefix == NULL)) continue;
- if ((ns == NULL) && (cur->prefix != NULL)) continue;
- if ((!xmlStrcmp(cur->name, name)) && (!xmlStrcmp(cur->elem, elem)) &&
- ((ns == NULL) || (!xmlStrcmp(cur->prefix, ns)))) {
- /*
- * The attribute is already defined in this Dtd.
- */
- VWARNING(ctxt->userData, "Attribute %s on %s: already definedn",
- elem, name);
- }
- }
- /*
- * Grow the table, if needed.
- */
- if (table->nb_attributes >= table->max_attributes) {
- /*
- * need more attributes.
- */
- table->max_attributes *= 2;
- table->table = (xmlAttributePtr *)
- xmlRealloc(table->table, table->max_attributes *
- sizeof(xmlAttributePtr));
- if (table->table == NULL) {
- fprintf(stderr, "xmlAddAttributeDecl: out of memoryn");
- return(NULL);
- }
- }
- ret = (xmlAttributePtr) xmlMalloc(sizeof(xmlAttribute));
- if (ret == NULL) {
- fprintf(stderr, "xmlAddAttributeDecl: out of memoryn");
- return(NULL);
- }
- memset(ret, 0, sizeof(xmlAttribute));
- ret->type = XML_ATTRIBUTE_DECL;
- table->table[table->nb_attributes] = ret;
- /*
- * fill the structure.
- */
- ret->atype = type;
- ret->name = xmlStrdup(name);
- ret->prefix = xmlStrdup(ns);
- ret->elem = xmlStrdup(elem);
- ret->def = def;
- ret->tree = tree;
- if (defaultValue != NULL)
- ret->defaultValue = xmlStrdup(defaultValue);
- elemDef = xmlGetDtdElementDesc(dtd, elem);
- if (elemDef != NULL) {
- if ((type == XML_ATTRIBUTE_ID) &&
- (xmlScanIDAttributeDecl(NULL, elemDef) != 0))
- VERROR(ctxt->userData,
- "Element %s has too may ID attributes defined : %sn",
- elem, name);
- ret->nexth = elemDef->attributes;
- elemDef->attributes = ret;
- }
- table->nb_attributes++;
- /*
- * Link it to the Dtd
- */
- ret->parent = dtd;
- ret->doc = dtd->doc;
- if (dtd->last == NULL) {
- dtd->children = dtd->last = (xmlNodePtr) ret;
- } else {
- dtd->last->next = (xmlNodePtr) ret;
- ret->prev = dtd->last;
- dtd->last = (xmlNodePtr) ret;
- }
- return(ret);
- }
- /**
- * xmlFreeAttribute:
- * @elem: An attribute
- *
- * Deallocate the memory used by an attribute definition
- */
- void
- xmlFreeAttribute(xmlAttributePtr attr) {
- if (attr == NULL) return;
- xmlUnlinkNode((xmlNodePtr) attr);
- if (attr->tree != NULL)
- xmlFreeEnumeration(attr->tree);
- if (attr->elem != NULL)
- xmlFree((xmlChar *) attr->elem);
- if (attr->name != NULL)
- xmlFree((xmlChar *) attr->name);
- if (attr->defaultValue != NULL)
- xmlFree((xmlChar *) attr->defaultValue);
- if (attr->prefix != NULL)
- xmlFree((xmlChar *) attr->prefix);
- memset(attr, -1, sizeof(xmlAttribute));
- xmlFree(attr);
- }
- /**
- * xmlFreeAttributeTable:
- * @table: An attribute table
- *
- * Deallocate the memory used by an entities hash table.
- */
- void
- xmlFreeAttributeTable(xmlAttributeTablePtr table) {
- int i;
- if (table == NULL) return;
- for (i = 0;i < table->nb_attributes;i++) {
- xmlFreeAttribute(table->table[i]);
- }
- xmlFree(table->table);
- xmlFree(table);
- }
- /**
- * xmlCopyAttributeTable:
- * @table: An attribute table
- *
- * Build a copy of an attribute table.
- *
- * Returns the new xmlAttributeTablePtr or NULL in case of error.
- */
- xmlAttributeTablePtr
- xmlCopyAttributeTable(xmlAttributeTablePtr table) {
- xmlAttributeTablePtr ret;
- xmlAttributePtr cur, attr;
- int i;
- ret = (xmlAttributeTablePtr) xmlMalloc(sizeof(xmlAttributeTable));
- if (ret == NULL) {
- fprintf(stderr, "xmlCopyAttributeTable: out of memory !n");
- return(NULL);
- }
- ret->table = (xmlAttributePtr *) xmlMalloc(table->max_attributes *
- sizeof(xmlAttributePtr));
- if (ret->table == NULL) {
- fprintf(stderr, "xmlCopyAttributeTable: out of memory !n");
- xmlFree(ret);
- return(NULL);
- }
- ret->max_attributes = table->max_attributes;
- ret->nb_attributes = table->nb_attributes;
- for (i = 0;i < ret->nb_attributes;i++) {
- attr = table->table[i];
- cur = (xmlAttributePtr) xmlMalloc(sizeof(xmlAttribute));
- if (cur == NULL) {
- fprintf(stderr, "xmlCopyAttributeTable: out of memory !n");
- xmlFree(ret);
- xmlFree(ret->table);
- return(NULL);
- }
- memset(cur, 0, sizeof(xmlAttribute));
- /* !!! cur->type = XML_ATTRIBUTE_DECL; */
- ret->table[i] = cur;
- cur->atype = attr->atype;
- cur->def = attr->def;
- cur->tree = xmlCopyEnumeration(attr->tree);
- if (attr->elem != NULL)
- cur->elem = xmlStrdup(attr->elem);
- if (attr->name != NULL)
- cur->name = xmlStrdup(attr->name);
- if (attr->defaultValue != NULL)
- cur->defaultValue = xmlStrdup(attr->defaultValue);
- /* NEED to rebuild the next chain !!!!!! */
- }
- return(ret);
- }
- /**
- * xmlDumpAttributeDecl:
- * @buf: the XML buffer output
- * @attr: An attribute declaration
- *
- * This will dump the content of the attribute declaration as an XML
- * DTD definition
- */
- void
- xmlDumpAttributeDecl(xmlBufferPtr buf, xmlAttributePtr attr) {
- xmlBufferWriteChar(buf, "<!ATTLIST ");
- xmlBufferWriteCHAR(buf, attr->elem);
- xmlBufferWriteChar(buf, " ");
- xmlBufferWriteCHAR(buf, attr->name);
- switch (attr->atype) {
- case XML_ATTRIBUTE_CDATA:
- xmlBufferWriteChar(buf, " CDATA");
- break;
- case XML_ATTRIBUTE_ID:
- xmlBufferWriteChar(buf, " ID");
- break;
- case XML_ATTRIBUTE_IDREF:
- xmlBufferWriteChar(buf, " IDREF");
- break;
- case XML_ATTRIBUTE_IDREFS:
- xmlBufferWriteChar(buf, " IDREFS");
- break;
- case XML_ATTRIBUTE_ENTITY:
- xmlBufferWriteChar(buf, " ENTITY");
- break;
- case XML_ATTRIBUTE_ENTITIES:
- xmlBufferWriteChar(buf, " ENTITIES");
- break;
- case XML_ATTRIBUTE_NMTOKEN:
- xmlBufferWriteChar(buf, " NMTOKEN");
- break;
- case XML_ATTRIBUTE_NMTOKENS:
- xmlBufferWriteChar(buf, " NMTOKENS");
- break;
- case XML_ATTRIBUTE_ENUMERATION:
- xmlBufferWriteChar(buf, " (");
- xmlDumpEnumeration(buf, attr->tree);
- break;
- case XML_ATTRIBUTE_NOTATION:
- xmlBufferWriteChar(buf, " NOTATION (");
- xmlDumpEnumeration(buf, attr->tree);
- break;
- default:
- fprintf(stderr,
- "xmlDumpAttributeTable: internal: unknown type %dn",
- attr->atype);
- }
- switch (attr->def) {
- case XML_ATTRIBUTE_NONE:
- break;
- case XML_ATTRIBUTE_REQUIRED:
- xmlBufferWriteChar(buf, " #REQUIRED");
- break;
- case XML_ATTRIBUTE_IMPLIED:
- xmlBufferWriteChar(buf, " #IMPLIED");
- break;
- case XML_ATTRIBUTE_FIXED:
- xmlBufferWriteChar(buf, " #FIXED");
- break;
- default:
- fprintf(stderr,
- "xmlDumpAttributeTable: internal: unknown default %dn",
- attr->def);
- }
- if (attr->defaultValue != NULL) {
- xmlBufferWriteChar(buf, " ");
- xmlBufferWriteQuotedString(buf, attr->defaultValue);
- }
- xmlBufferWriteChar(buf, ">n");
- }
- /**
- * xmlDumpAttributeTable:
- * @buf: the XML buffer output
- * @table: An attribute table
- *
- * This will dump the content of the attribute table as an XML DTD definition
- */
- void
- xmlDumpAttributeTable(xmlBufferPtr buf, xmlAttributeTablePtr table) {
- int i;
- xmlAttributePtr cur;
- if (table == NULL) return;
- for (i = 0;i < table->nb_attributes;i++) {
- cur = table->table[i];
- xmlDumpAttributeDecl(buf, cur);
- }
- }
- /************************************************************************
- * *
- * NOTATIONs *
- * *
- ************************************************************************/
- /**
- * xmlCreateNotationTable:
- *
- * create and initialize an empty notation hash table.
- *
- * Returns the xmlNotationTablePtr just created or NULL in case
- * of error.
- */
- xmlNotationTablePtr
- xmlCreateNotationTable(void) {
- xmlNotationTablePtr ret;
- ret = (xmlNotationTablePtr)
- xmlMalloc(sizeof(xmlNotationTable));
- if (ret == NULL) {
- fprintf(stderr, "xmlCreateNotationTable : xmlMalloc(%ld) failedn",
- (long)sizeof(xmlNotationTable));
- return(NULL);
- }
- ret->max_notations = XML_MIN_NOTATION_TABLE;
- ret->nb_notations = 0;
- ret->table = (xmlNotationPtr *)
- xmlMalloc(ret->max_notations * sizeof(xmlNotationPtr));
- if (ret == NULL) {
- fprintf(stderr, "xmlCreateNotationTable : xmlMalloc(%ld) failedn",
- ret->max_notations * (long)sizeof(xmlNotation));
- xmlFree(ret);
- return(NULL);
- }
- return(ret);
- }
- /**
- * xmlAddNotationDecl:
- * @dtd: pointer to the DTD
- * @ctxt: the validation context
- * @name: the entity name
- * @PublicID: the public identifier or NULL
- * @SystemID: the system identifier or NULL
- *
- * Register a new notation declaration
- *
- * Returns NULL if not, othervise the entity
- */
- xmlNotationPtr
- xmlAddNotationDecl(xmlValidCtxtPtr ctxt, xmlDtdPtr dtd, const xmlChar *name,
- const xmlChar *PublicID, const xmlChar *SystemID) {
- xmlNotationPtr ret, cur;
- xmlNotationTablePtr table;
- int i;
- if (dtd == NULL) {
- fprintf(stderr, "xmlAddNotationDecl: dtd == NULLn");
- return(NULL);
- }
- if (name == NULL) {
- fprintf(stderr, "xmlAddNotationDecl: name == NULLn");
- return(NULL);
- }
- if ((PublicID == NULL) && (SystemID == NULL)) {
- fprintf(stderr, "xmlAddNotationDecl: no PUBLIC ID nor SYSTEM IDn");
- }
- /*
- * Create the Notation table if needed.
- */
- table = dtd->notations;
- if (table == NULL)
- table = dtd->notations = xmlCreateNotationTable();
- if (table == NULL) {
- fprintf(stderr, "xmlAddNotationDecl: Table creation failed!n");
- return(NULL);
- }
- /*
- * Validity Check:
- * Search the DTD for previous declarations of the ATTLIST
- */
- for (i = 0;i < table->nb_notations;i++) {
- cur = table->table[i];
- if (!xmlStrcmp(cur->name, name)) {
- /*
- * The notation is already defined in this Dtd.
- */
- fprintf(stderr,
- "xmlAddNotationDecl: %s already definedn", name);
- }
- }
- /*
- * Grow the table, if needed.
- */
- if (table->nb_notations >= table->max_notations) {
- /*
- * need more notations.
- */
- table->max_notations *= 2;
- table->table = (xmlNotationPtr *)
- xmlRealloc(table->table, table->max_notations *
- sizeof(xmlNotationPtr));
- if (table->table == NULL) {
- fprintf(stderr, "xmlAddNotationDecl: out of memoryn");
- return(NULL);
- }
- }
- ret = (xmlNotationPtr) xmlMalloc(sizeof(xmlNotation));
- if (ret == NULL) {
- fprintf(stderr, "xmlAddNotationDecl: out of memoryn");
- return(NULL);
- }
- memset(ret, 0, sizeof(xmlNotation));
- table->table[table->nb_notations] = ret;
- /*
- * fill the structure.
- */
- ret->name = xmlStrdup(name);
- if (SystemID != NULL)
- ret->SystemID = xmlStrdup(SystemID);
- if (PublicID != NULL)
- ret->PublicID = xmlStrdup(PublicID);
- table->nb_notations++;
- return(ret);
- }
- /**
- * xmlFreeNotation:
- * @not: A notation
- *
- * Deallocate the memory used by an notation definition
- */
- void
- xmlFreeNotation(xmlNotationPtr nota) {
- if (nota == NULL) return;
- if (nota->name != NULL)
- xmlFree((xmlChar *) nota->name);
- if (nota->PublicID != NULL)
- xmlFree((xmlChar *) nota->PublicID);
- if (nota->SystemID != NULL)
- xmlFree((xmlChar *) nota->SystemID);
- memset(nota, -1, sizeof(xmlNotation));
- xmlFree(nota);
- }
- /**
- * xmlFreeNotationTable:
- * @table: An notation table
- *
- * Deallocate the memory used by an entities hash table.
- */
- void
- xmlFreeNotationTable(xmlNotationTablePtr table) {
- int i;
- if (table == NULL) return;
- for (i = 0;i < table->nb_notations;i++) {
- xmlFreeNotation(table->table[i]);
- }
- xmlFree(table->table);
- xmlFree(table);
- }
- /**
- * xmlCopyNotationTable:
- * @table: A notation table
- *
- * Build a copy of a notation table.
- *
- * Returns the new xmlNotationTablePtr or NULL in case of error.
- */
- xmlNotationTablePtr
- xmlCopyNotationTable(xmlNotationTablePtr table) {
- xmlNotationTablePtr ret;
- xmlNotationPtr cur, nota;
- int i;
- ret = (xmlNotationTablePtr) xmlMalloc(sizeof(xmlNotationTable));
- if (ret == NULL) {
- fprintf(stderr, "xmlCopyNotationTable: out of memory !n");
- return(NULL);
- }
- ret->table = (xmlNotationPtr *) xmlMalloc(table->max_notations *
- sizeof(xmlNotationPtr));
- if (ret->table == NULL) {
- fprintf(stderr, "xmlCopyNotationTable: out of memory !n");
- xmlFree(ret);
- return(NULL);
- }
- ret->max_notations = table->max_notations;
- ret->nb_notations = table->nb_notations;
- for (i = 0;i < ret->nb_notations;i++) {
- cur = (xmlNotationPtr) xmlMalloc(sizeof(xmlNotation));
- if (cur == NULL) {
- fprintf(stderr, "xmlCopyNotationTable: out of memory !n");
- xmlFree(ret);
- xmlFree(ret->table);
- return(NULL);
- }
- ret->table[i] = cur;
- nota = table->table[i];
- if (nota->name != NULL)
- cur->name = xmlStrdup(nota->name);
- else
- cur->name = NULL;
- if (nota->PublicID != NULL)
- cur->PublicID = xmlStrdup(nota->PublicID);
- else
- cur->PublicID = NULL;
- if (nota->SystemID != NULL)
- cur->SystemID = xmlStrdup(nota->SystemID);
- else
- cur->SystemID = NULL;
- }
- return(ret);
- }
- /**
- * xmlDumpNotationDecl:
- * @buf: the XML buffer output
- * @nota: A notation declaration
- *
- * This will dump the content the notation declaration as an XML DTD definition
- */
- void
- xmlDumpNotationDecl(xmlBufferPtr buf, xmlNotationPtr nota) {
- xmlBufferWriteChar(buf, "<!NOTATION ");
- xmlBufferWriteCHAR(buf, nota->name);
- if (nota->PublicID != NULL) {
- xmlBufferWriteChar(buf, " PUBLIC ");
- xmlBufferWriteQuotedString(buf, nota->PublicID);
- if (nota->SystemID != NULL) {
- xmlBufferWriteChar(buf, " ");
- xmlBufferWriteCHAR(buf, nota->SystemID);
- }
- } else {
- xmlBufferWriteChar(buf, " SYSTEM ");
- xmlBufferWriteCHAR(buf, nota->SystemID);
- }
- xmlBufferWriteChar(buf, " >n");
- }
- /**
- * xmlDumpNotationTable:
- * @buf: the XML buffer output
- * @table: A notation table
- *
- * This will dump the content of the notation table as an XML DTD definition
- */
- void
- xmlDumpNotationTable(xmlBufferPtr buf, xmlNotationTablePtr table) {
- int i;
- xmlNotationPtr cur;
- if (table == NULL) return;
- for (i = 0;i < table->nb_notations;i++) {
- cur = table->table[i];
- xmlDumpNotationDecl(buf, cur);
- }
- }
- /************************************************************************
- * *
- * IDs *
- * *
- ************************************************************************/
- /**
- * xmlCreateIDTable:
- *
- * create and initialize an empty id hash table.
- *
- * Returns the xmlIDTablePtr just created or NULL in case
- * of error.
- */
- xmlIDTablePtr
- xmlCreateIDTable(void) {
- xmlIDTablePtr ret;
- ret = (xmlIDTablePtr)
- xmlMalloc(sizeof(xmlIDTable));
- if (ret == NULL) {
- fprintf(stderr, "xmlCreateIDTable : xmlMalloc(%ld) failedn",
- (long)sizeof(xmlIDTable));
- return(NULL);
- }
- ret->max_ids = XML_MIN_NOTATION_TABLE;
- ret->nb_ids = 0;
- ret->table = (xmlIDPtr *)
- xmlMalloc(ret->max_ids * sizeof(xmlIDPtr));
- if (ret == NULL) {
- fprintf(stderr, "xmlCreateIDTable : xmlMalloc(%ld) failedn",
- ret->max_ids * (long)sizeof(xmlID));
- xmlFree(ret);
- return(NULL);
- }
- return(ret);
- }
- /**
- * xmlAddID:
- * @ctxt: the validation context
- * @doc: pointer to the document
- * @value: the value name
- * @attr: the attribute holding the ID
- *
- * Register a new id declaration
- *
- * Returns NULL if not, othervise the new xmlIDPtr
- */
- xmlIDPtr
- xmlAddID(xmlValidCtxtPtr ctxt, xmlDocPtr doc, const xmlChar *value,
- xmlAttrPtr attr) {
- xmlIDPtr ret, cur;
- xmlIDTablePtr table;
- int i;
- if (doc == NULL) {
- fprintf(stderr, "xmlAddIDDecl: doc == NULLn");
- return(NULL);
- }
- if (value == NULL) {
- fprintf(stderr, "xmlAddIDDecl: value == NULLn");
- return(NULL);
- }
- if (attr == NULL) {
- fprintf(stderr, "xmlAddIDDecl: attr == NULLn");
- return(NULL);
- }
- /*
- * Create the ID table if needed.
- */
- table = doc->ids;
- if (table == NULL)
- table = doc->ids = xmlCreateIDTable();
- if (table == NULL) {
- fprintf(stderr, "xmlAddID: Table creation failed!n");
- return(NULL);
- }
- /*
- * Validity Check:
- * Search the DTD for previous declarations of the ATTLIST
- */
- for (i = 0;i < table->nb_ids;i++) {
- cur = table->table[i];
- if (!xmlStrcmp(cur->value, value)) {
- /*
- * The id is already defined in this Dtd.
- */
- VERROR(ctxt->userData, "ID %s already definedn", value);
- return(NULL);
- }
- }
- /*
- * Grow the table, if needed.
- */
- if (table->nb_ids >= table->max_ids) {
- /*
- * need more ids.
- */
- table->max_ids *= 2;
- table->table = (xmlIDPtr *)
- xmlRealloc(table->table, table->max_ids *
- sizeof(xmlIDPtr));
- if (table->table == NULL) {
- fprintf(stderr, "xmlAddID: out of memoryn");
- return(NULL);
- }
- }
- ret = (xmlIDPtr) xmlMalloc(sizeof(xmlID));
- if (ret == NULL) {
- fprintf(stderr, "xmlAddID: out of memoryn");
- return(NULL);
- }
- table->table[table->nb_ids] = ret;
- /*
- * fill the structure.
- */
- ret->value = xmlStrdup(value);
- ret->attr = attr;
- table->nb_ids++;
- return(ret);
- }
- /**
- * xmlFreeID:
- * @not: A id
- *
- * Deallocate the memory used by an id definition
- */
- void
- xmlFreeID(xmlIDPtr id) {
- if (id == NULL) return;
- if (id->value != NULL)
- xmlFree((xmlChar *) id->value);
- memset(id, -1, sizeof(xmlID));
- xmlFree(id);
- }
- /**
- * xmlFreeIDTable:
- * @table: An id table
- *
- * Deallocate the memory used by an ID hash table.
- */
- void
- xmlFreeIDTable(xmlIDTablePtr table) {
- int i;
- if (table == NULL) return;
- for (i = 0;i < table->nb_ids;i++) {
- xmlFreeID(table->table[i]);
- }
- xmlFree(table->table);
- xmlFree(table);
- }
- /**
- * xmlIsID:
- * @doc: the document
- * @elem: the element carrying the attribute
- * @attr: the attribute
- *
- * Determine whether an attribute is of type ID. In case we have Dtd(s)
- * then this is simple, otherwise we use an heuristic: name ID (upper
- * or lowercase).
- *
- * Returns 0 or 1 depending on the lookup result
- */
- int
- xmlIsID(xmlDocPtr doc, xmlNodePtr elem, xmlAttrPtr attr) {
- if (doc == NULL) return(0);
- if (attr == NULL) return(0);
- if ((doc->intSubset == NULL) && (doc->extSubset == NULL)) {
- if (((attr->name[0] == 'I') || (attr->name[0] == 'i')) &&
- ((attr->name[1] == 'D') || (attr->name[1] == 'd')) &&
- (attr->name[2] == 0)) return(1);
- } else if (doc->type == XML_HTML_DOCUMENT_NODE) {
- if ((!xmlStrcmp(BAD_CAST "id", attr->name)) ||
- (!xmlStrcmp(BAD_CAST "name", attr->name)))
- return(1);
- return(0);
- } else {
- xmlAttributePtr attrDecl;
- if (elem == NULL) return(0);
- attrDecl = xmlGetDtdAttrDesc(doc->intSubset, elem->name, attr->name);
- if ((attrDecl == NULL) && (doc->extSubset != NULL))
- attrDecl = xmlGetDtdAttrDesc(doc->extSubset, elem->name,
- attr->name);
- if ((attrDecl != NULL) && (attrDecl->atype == XML_ATTRIBUTE_ID))
- return(1);
- }
- return(0);
- }
- /**
- * xmlRemoveID
- * @doc: the document
- * @attr: the attribute
- *
- * Remove the given attribute from the ID table maintained internally.
- *
- * Returns -1 if the lookup failed and 0 otherwise
- */
- int
- xmlRemoveID(xmlDocPtr doc, xmlAttrPtr attr) {
- xmlIDPtr cur;
- xmlIDTablePtr table;
- int i;
- if (doc == NULL) return(-1);
- if (attr == NULL) return(-1);
- table = doc->ids;
- if (table == NULL)
- return(-1);
- /*
- * Search the ID list.
- */
- for (i = 0;i < table->nb_ids;i++) {
- cur = table->table[i];
- if (cur->attr == attr) {
- table->nb_ids--;
- memmove(&table->table[i], &table->table[i+1],
- (table->nb_ids - i) * sizeof(xmlIDPtr));
- return(0);
- }
- }
- return(-1);
- }
- /**
- * xmlGetID:
- * @doc: pointer to the document
- * @ID: the ID value
- *
- * Search the attribute declaring the given ID
- *
- * Returns NULL if not found, otherwise the xmlAttrPtr defining the ID
- */
- xmlAttrPtr
- xmlGetID(xmlDocPtr doc, const xmlChar *ID) {
- xmlIDPtr cur;
- xmlIDTablePtr table;
- int i;
- if (doc == NULL) {
- fprintf(stderr, "xmlGetID: doc == NULLn");
- return(NULL);
- }
- if (ID == NULL) {
- fprintf(stderr, "xmlGetID: ID == NULLn");
- return(NULL);
- }
- table = doc->ids;
- if (table == NULL)
- return(NULL);
- /*
- * Search the ID list.
- */
- for (i = 0;i < table->nb_ids;i++) {
- cur = table->table[i];
- if (!xmlStrcmp(cur->value, ID)) {
- return(cur->attr);
- }
- }
- return(NULL);
- }
- /************************************************************************
- * *
- * Refs *
- * *
- ************************************************************************/
- /**
- * xmlCreateRefTable:
- *
- * create and initialize an empty ref hash table.
- *
- * Returns the xmlRefTablePtr just created or NULL in case
- * of error.
- */
- xmlRefTablePtr
- xmlCreateRefTable(void) {
- xmlRefTablePtr ret;
- ret = (xmlRefTablePtr)
- xmlMalloc(sizeof(xmlRefTable));
- if (ret == NULL) {
- fprintf(stderr, "xmlCreateRefTable : xmlMalloc(%ld) failedn",
- (long)sizeof(xmlRefTable));
- return(NULL);
- }
- ret->max_refs = XML_MIN_NOTATION_TABLE;
- ret->nb_refs = 0;
- ret->table = (xmlRefPtr *)
- xmlMalloc(ret->max_refs * sizeof(xmlRefPtr));
- if (ret == NULL) {
- fprintf(stderr, "xmlCreateRefTable : xmlMalloc(%ld) failedn",
- ret->max_refs * (long)sizeof(xmlRef));
- xmlFree(ret);
- return(NULL);
- }
- return(ret);
- }
- /**
- * xmlAddRef:
- * @ctxt: the validation context
- * @doc: pointer to the document
- * @value: the value name
- * @attr: the attribute holding the Ref
- *
- * Register a new ref declaration
- *
- * Returns NULL if not, othervise the new xmlRefPtr
- */
- xmlRefPtr
- xmlAddRef(xmlValidCtxtPtr ctxt, xmlDocPtr doc, const xmlChar *value,
- xmlAttrPtr attr) {
- xmlRefPtr ret;
- xmlRefTablePtr table;
- if (doc == NULL) {
- fprintf(stderr, "xmlAddRefDecl: doc == NULLn");
- return(NULL);
- }
- if (value == NULL) {
- fprintf(stderr, "xmlAddRefDecl: value == NULLn");
- return(NULL);
- }
- if (attr == NULL) {
- fprintf(stderr, "xmlAddRefDecl: attr == NULLn");
- return(NULL);
- }
- /*
- * Create the Ref table if needed.
- */
- table = doc->refs;
- if (table == NULL)
- table = doc->refs = xmlCreateRefTable();
- if (table == NULL) {
- fprintf(stderr, "xmlAddRef: Table creation failed!n");
- return(NULL);
- }
- /*
- * Grow the table, if needed.
- */
- if (table->nb_refs >= table->max_refs) {
- /*
- * need more refs.
- */
- table->max_refs *= 2;
- table->table = (xmlRefPtr *)
- xmlRealloc(table->table, table->max_refs *
- sizeof(xmlRefPtr));
- if (table->table == NULL) {
- fprintf(stderr, "xmlAddRef: out of memoryn");
- return(NULL);
- }
- }
- ret = (xmlRefPtr) xmlMalloc(sizeof(xmlRef));
- if (ret == NULL) {
- fprintf(stderr, "xmlAddRef: out of memoryn");
- return(NULL);
- }
- table->table[table->nb_refs] = ret;
- /*
- * fill the structure.
- */
- ret->value = xmlStrdup(value);
- ret->attr = attr;
- table->nb_refs++;
- return(ret);
- }
- /**
- * xmlFreeRef:
- * @not: A ref
- *
- * Deallocate the memory used by an ref definition
- */
- void
- xmlFreeRef(xmlRefPtr ref) {
- if (ref == NULL) return;
- if (ref->value != NULL)
- xmlFree((xmlChar *) ref->value);
- memset(ref, -1, sizeof(xmlRef));
- xmlFree(ref);
- }
- /**
- * xmlFreeRefTable:
- * @table: An ref table
- *
- * Deallocate the memory used by an Ref hash table.
- */
- void
- xmlFreeRefTable(xmlRefTablePtr table) {
- int i;
- if (table == NULL) return;
- for (i = 0;i < table->nb_refs;i++) {
- xmlFreeRef(table->table[i]);
- }
- xmlFree(table->table);
- xmlFree(table);
- }
- /**
- * xmlIsRef:
- * @doc: the document
- * @elem: the element carrying the attribute
- * @attr: the attribute
- *
- * Determine whether an attribute is of type Ref. In case we have Dtd(s)
- * then this is simple, otherwise we use an heuristic: name Ref (upper
- * or lowercase).
- *
- * Returns 0 or 1 depending on the lookup result
- */
- int
- xmlIsRef(xmlDocPtr doc, xmlNodePtr elem, xmlAttrPtr attr) {
- if ((doc->intSubset == NULL) && (doc->extSubset == NULL)) {
- return(0);
- /*******************
- if (((attr->name[0] == 'I') || (attr->name[0] == 'i')) &&
- ((attr->name[1] == 'D') || (attr->name[1] == 'd')) &&
- (attr->name[2] == 0)) return(1);
- *******************/
- } else {
- xmlAttributePtr attrDecl;
- attrDecl = xmlGetDtdAttrDesc(doc->intSubset, elem->name, attr->name);
- if ((attrDecl == NULL) && (doc->extSubset != NULL))
- attrDecl = xmlGetDtdAttrDesc(doc->extSubset, elem->name,
- attr->name);
- if ((attrDecl != NULL) && (attrDecl->atype == XML_ATTRIBUTE_IDREF))
- return(1);
- }
- return(0);
- }
- /**
- * xmlRemoveRef
- * @doc: the document
- * @attr: the attribute
- *
- * Remove the given attribute from the Ref table maintained internally.
- *
- * Returns -1 if the lookup failed and 0 otherwise
- */
- int
- xmlRemoveRef(xmlDocPtr doc, xmlAttrPtr attr) {
- xmlRefPtr cur;
- xmlRefTablePtr table;
- int i;
- if (doc == NULL) return(-1);
- if (attr == NULL) return(-1);
- table = doc->refs;
- if (table == NULL)
- return(-1);
- /*
- * Search the Ref list.
- */
- for (i = 0;i < table->nb_refs;i++) {
- cur = table->table[i];
- if (cur->attr == attr) {
- table->nb_refs--;
- memmove(&table->table[i], &table->table[i+1],
- (table->nb_refs - i) * sizeof(xmlRefPtr));
- return(0);
- }
- }
- return(-1);
- }
- /**
- * xmlGetRef:
- * @doc: pointer to the document
- * @Ref: the Ref value
- *
- * Search the next attribute declaring the given Ref
- *
- * Returns NULL if not found, otherwise the xmlAttrPtr defining the Ref
- */
- xmlAttrPtr
- xmlGetRef(xmlDocPtr doc, const xmlChar *Ref) {
- xmlRefPtr cur;
- xmlRefTablePtr table;
- int i;
- if (doc == NULL) {
- fprintf(stderr, "xmlGetRef: doc == NULLn");
- return(NULL);
- }
- if (Ref == NULL) {
- fprintf(stderr, "xmlGetRef: Ref == NULLn");
- return(NULL);
- }
- table = doc->refs;
- if (table == NULL)
- return(NULL);
- /*
- * Search the Ref list.
- */
- for (i = 0;i < table->nb_refs;i++) {
- cur = table->table[i];
- if (!xmlStrcmp(cur->value, Ref)) {
- return(cur->attr);
- }
- }
- return(NULL);
- }
- /************************************************************************
- * *
- * Routines for validity checking *
- * *
- ************************************************************************/
- /**
- * xmlGetDtdElementDesc:
- * @dtd: a pointer to the DtD to search
- * @name: the element name
- *
- * Search the Dtd for the description of this element
- *
- * returns the xmlElementPtr if found or NULL
- */
- xmlElementPtr
- xmlGetDtdElementDesc(xmlDtdPtr dtd, const xmlChar *name) {
- xmlElementTablePtr table;
- xmlElementPtr cur;
- int i;
- if (dtd == NULL) return(NULL);
- if (dtd->elements == NULL) return(NULL);
- table = dtd->elements;
- for (i = 0;i < table->nb_elements;i++) {
- cur = table->table[i];
- if (!xmlStrcmp(cur->name, name))
- return(cur);
- }
- return(NULL);
- }
- /**
- * xmlGetDtdAttrDesc:
- * @dtd: a pointer to the DtD to search
- * @elem: the element name
- * @name: the attribute name
- *
- * Search the Dtd for the description of this attribute on
- * this element.
- *
- * returns the xmlAttributePtr if found or NULL
- */
- xmlAttributePtr
- xmlGetDtdAttrDesc(xmlDtdPtr dtd, const xmlChar *elem, const xmlChar *name) {
- xmlAttributeTablePtr table;
- xmlAttributePtr cur;
- int i;
- if (dtd == NULL) return(NULL);
- if (dtd->attributes == NULL) return(NULL);
- table = dtd->attributes;
- for (i = 0;i < table->nb_attributes;i++) {
- cur = table->table[i];
- if ((!xmlStrcmp(cur->name, name)) &&
- (!xmlStrcmp(cur->elem, elem)))
- return(cur);
- }
- return(NULL);
- }
- /**
- * xmlGetDtdNotationDesc:
- * @dtd: a pointer to the DtD to search
- * @name: the notation name
- *
- * Search the Dtd for the description of this notation
- *
- * returns the xmlNotationPtr if found or NULL
- */
- xmlNotationPtr
- xmlGetDtdNotationDesc(xmlDtdPtr dtd, const xmlChar *name) {
- xmlNotationTablePtr table;
- xmlNotationPtr cur;
- int i;
- if (dtd == NULL) return(NULL);
- if (dtd->notations == NULL) return(NULL);
- table = dtd->notations;
- for (i = 0;i < table->nb_notations;i++) {
- cur = table->table[i];
- if (!xmlStrcmp(cur->name, name))
- return(cur);
- }
- return(NULL);
- }
- /**
- * xmlValidateNotationUse:
- * @ctxt: the validation context
- * @doc: the document
- * @notationName: the notation name to check
- *
- * Validate that the given mame match a notation declaration.
- * - [ VC: Notation Declared ]
- *
- * returns 1 if valid or 0 otherwise
- */
- int
- xmlValidateNotationUse(xmlValidCtxtPtr ctxt, xmlDocPtr doc,
- const xmlChar *notationName) {
- xmlNotationPtr notaDecl;
- if ((doc == NULL) || (doc->intSubset == NULL)) return(-1);
- notaDecl = xmlGetDtdNotationDesc(doc->intSubset, notationName);
- if ((notaDecl == NULL) && (doc->extSubset != NULL))
- notaDecl = xmlGetDtdNotationDesc(doc->extSubset, notationName);
- if (notaDecl == NULL) {
- VERROR(ctxt->userData, "NOTATION %s is not declaredn",
- notationName);
- return(0);
- }
- return(1);
- }
- /**
- * xmlIsMixedElement
- * @doc: the document
- * @name: the element name
- *
- * Search in the DtDs whether an element accept Mixed content (or ANY)
- * basically if it is supposed to accept text childs
- *
- * returns 0 if no, 1 if yes, and -1 if no element description is available
- */
- int
- xmlIsMixedElement(xmlDocPtr doc, const xmlChar *name) {
- xmlElementPtr elemDecl;
- if ((doc == NULL) || (doc->intSubset == NULL)) return(-1);
- elemDecl = xmlGetDtdElementDesc(doc->intSubset, name);
- if ((elemDecl == NULL) && (doc->extSubset != NULL))
- elemDecl = xmlGetDtdElementDesc(doc->extSubset, name);
- if (elemDecl == NULL) return(-1);
- switch (elemDecl->etype) {
- case XML_ELEMENT_TYPE_ELEMENT:
- return(0);
- case XML_ELEMENT_TYPE_EMPTY:
- /*
- * return 1 for EMPTY since we want VC error to pop up
- * on <empty> </empty> for example
- */
- case XML_ELEMENT_TYPE_ANY:
- case XML_ELEMENT_TYPE_MIXED:
- return(1);
- }
- return(1);
- }
- /**
- * xmlValidateNameValue:
- * @value: an Name value
- *
- * Validate that the given value match Name production
- *
- * returns 1 if valid or 0 otherwise
- */
- int
- xmlValidateNameValue(const xmlChar *value) {
- const xmlChar *cur;
- if (value == NULL) return(0);
- cur = value;
-
- if (!IS_LETTER(*cur) && (*cur != '_') &&
- (*cur != ':')) {
- return(0);
- }
- while ((IS_LETTER(*cur)) || (IS_DIGIT(*cur)) ||
- (*cur == '.') || (*cur == '-') ||
- (*cur == '_') || (*cur == ':') ||
- (IS_COMBINING(*cur)) ||
- (IS_EXTENDER(*cur)))
- cur++;
- if (*cur != 0) return(0);
- return(1);
- }
- /**
- * xmlValidateNamesValue:
- * @value: an Names value
- *
- * Validate that the given value match Names production
- *
- * returns 1 if valid or 0 otherwise
- */
- int
- xmlValidateNamesValue(const xmlChar *value) {
- const xmlChar *cur;
- if (value == NULL) return(0);
- cur = value;
-
- if (!IS_LETTER(*cur) && (*cur != '_') &&
- (*cur != ':')) {
- return(0);
- }
- while ((IS_LETTER(*cur)) || (IS_DIGIT(*cur)) ||
- (*cur == '.') || (*cur == '-') ||
- (*cur == '_') || (*cur == ':') ||
- (IS_COMBINING(*cur)) ||
- (IS_EXTENDER(*cur)))
- cur++;
- while (IS_BLANK(*cur)) {
- while (IS_BLANK(*cur)) cur++;
- if (!IS_LETTER(*cur) && (*cur != '_') &&
- (*cur != ':')) {
- return(0);
- }
- while ((IS_LETTER(*cur)) || (IS_DIGIT(*cur)) ||
- (*cur == '.') || (*cur == '-') ||
- (*cur == '_') || (*cur == ':') ||
- (IS_COMBINING(*cur)) ||
- (IS_EXTENDER(*cur)))
- cur++;
- }
- if (*cur != 0) return(0);
- return(1);
- }
- /**
- * xmlValidateNmtokenValue:
- * @value: an Mntoken value
- *
- * Validate that the given value match Nmtoken production
- *
- * [ VC: Name Token ]
- *
- * returns 1 if valid or 0 otherwise
- */
- int
- xmlValidateNmtokenValue(const xmlChar *value) {
- const xmlChar *cur;
- if (value == NULL) return(0);
- cur = value;
-
- if (!IS_LETTER(*cur) && !IS_DIGIT(*cur) &&
- (*cur != '.') && (*cur != '-') &&
- (*cur != '_') && (*cur != ':') &&
- (!IS_COMBINING(*cur)) &&
- (!IS_EXTENDER(*cur)))
- return(0);
- while ((IS_LETTER(*cur)) || (IS_DIGIT(*cur)) ||
- (*cur == '.') || (*cur == '-') ||
- (*cur == '_') || (*cur == ':') ||
- (IS_COMBINING(*cur)) ||
- (IS_EXTENDER(*cur)))
- cur++;
- if (*cur != 0) return(0);
- return(1);
- }
- /**
- * xmlValidateNmtokensValue:
- * @value: an Mntokens value
- *
- * Validate that the given value match Nmtokens production
- *
- * [ VC: Name Token ]
- *
- * returns 1 if valid or 0 otherwise
- */
- int
- xmlValidateNmtokensValue(const xmlChar *value) {
- const xmlChar *cur;
- if (value == NULL) return(0);
- cur = value;
-
- while (IS_BLANK(*cur)) cur++;
- if (!IS_LETTER(*cur) && !IS_DIGIT(*cur) &&
- (*cur != '.') && (*cur != '-') &&
- (*cur != '_') && (*cur != ':') &&
- (!IS_COMBINING(*cur)) &&
- (!IS_EXTENDER(*cur)))
- return(0);
- while ((IS_LETTER(*cur)) || (IS_DIGIT(*cur)) ||
- (*cur == '.') || (*cur == '-') ||
- (*cur == '_') || (*cur == ':') ||
- (IS_COMBINING(*cur)) ||
- (IS_EXTENDER(*cur)))
- cur++;
- while (IS_BLANK(*cur)) {
- while (IS_BLANK(*cur)) cur++;
- if (*cur == 0) return(1);
- if (!IS_LETTER(*cur) && !IS_DIGIT(*cur) &&
- (*cur != '.') && (*cur != '-') &&
- (*cur != '_') && (*cur != ':') &&
- (!IS_COMBINING(*cur)) &&
- (!IS_EXTENDER(*cur)))
- return(0);
- while ((IS_LETTER(*cur)) || (IS_DIGIT(*cur)) ||
- (*cur == '.') || (*cur == '-') ||
- (*cur == '_') || (*cur == ':') ||
- (IS_COMBINING(*cur)) ||
- (IS_EXTENDER(*cur)))
- cur++;
- }
- if (*cur != 0) return(0);
- return(1);
- }
- /**
- * xmlValidateNotationDecl:
- * @ctxt: the validation context
- * @doc: a document instance
- * @nota: a notation definition
- *
- * Try to validate a single notation definition
- * basically it does the following checks as described by the
- * XML-1.0 recommendation:
- * - it seems that no validity constraing exist on notation declarations
- * But this function get called anyway ...
- *
- * returns 1 if valid or 0 otherwise
- */
- int
- xmlValidateNotationDecl(xmlValidCtxtPtr ctxt, xmlDocPtr doc,
- xmlNotationPtr nota) {
- int ret = 1;
- return(ret);
- }
- /**
- * xmlValidateAttributeValue:
- * @type: an attribute type
- * @value: an attribute value
- *
- * Validate that the given attribute value match the proper production
- *
- * [ VC: ID ]
- * Values of type ID must match the Name production....
- *
- * [ VC: IDREF ]
- * Values of type IDREF must match the Name production, and values
- * of type IDREFS must match Names ...
- *
- * [ VC: Entity Name ]
- * Values of type ENTITY must match the Name production, values
- * of type ENTITIES must match Names ...
- *
- * [ VC: Name Token ]
- * Values of type NMTOKEN must match the Nmtoken production; values
- * of type NMTOKENS must match Nmtokens.
- *
- * returns 1 if valid or 0 otherwise
- */
- int
- xmlValidateAttributeValue(xmlAttributeType type, const xmlChar *value) {
- switch (type) {
- case XML_ATTRIBUTE_ENTITIES:
- case XML_ATTRIBUTE_IDREFS:
- return(xmlValidateNamesValue(value));
- case XML_ATTRIBUTE_ENTITY:
- case XML_ATTRIBUTE_IDREF:
- case XML_ATTRIBUTE_ID:
- case XML_ATTRIBUTE_NOTATION:
- return(xmlValidateNameValue(value));
- case XML_ATTRIBUTE_NMTOKENS:
- case XML_ATTRIBUTE_ENUMERATION:
- return(xmlValidateNmtokensValue(value));
- case XML_ATTRIBUTE_NMTOKEN:
- return(xmlValidateNmtokenValue(value));
- case XML_ATTRIBUTE_CDATA:
- break;
- }
- return(1);
- }
- /**
- * xmlValidateAttributeValue2:
- * @ctxt: the validation context
- * @doc: the document
- * @name: the attribute name (used for error reporting only)
- * @type: the attribute type
- * @value: the attribute value
- *
- * Validate that the given attribute value match a given type.
- * This typically cannot be done before having finished parsing
- * the subsets.
- *
- * [ VC: IDREF ]
- * Values of type IDREF must match one of the declared IDs
- * Values of type IDREFS must match a sequence of the declared IDs
- * each Name must match the value of an ID attribute on some element
- * in the XML document; i.e. IDREF values must match the value of
- * some ID attribute
- *
- * [ VC: Entity Name ]
- * Values of type ENTITY must match one declared entity
- * Values of type ENTITIES must match a sequence of declared entities
- *
- * [ VC: Notation Attributes ]
- * all notation names in the declaration must be declared.
- *
- * returns 1 if valid or 0 otherwise
- */
- int
- xmlValidateAttributeValue2(xmlValidCtxtPtr ctxt, xmlDocPtr doc,
- const xmlChar *name, xmlAttributeType type, const xmlChar *value) {
- int ret = 1;
- switch (type) {
- case XML_ATTRIBUTE_IDREFS:
- case XML_ATTRIBUTE_IDREF:
- case XML_ATTRIBUTE_ID:
- case XML_ATTRIBUTE_NMTOKENS:
- case XML_ATTRIBUTE_ENUMERATION:
- case XML_ATTRIBUTE_NMTOKEN:
- case XML_ATTRIBUTE_CDATA:
- break;
- case XML_ATTRIBUTE_ENTITY: {
- xmlEntityPtr ent;
- ent = xmlGetDocEntity(doc, value);
- if (ent == NULL) {
- VERROR(ctxt->userData,
- "ENTITY attribute %s reference an unknown entity "%s"n",
- name, value);
- ret = 0;
- } else if (ent->etype != XML_EXTERNAL_GENERAL_UNPARSED_ENTITY) {
- VERROR(ctxt->userData,
- "ENTITY attribute %s reference an entity "%s" of wrong typen",
- name, value);
- ret = 0;
- }
- break;
- }
- case XML_ATTRIBUTE_ENTITIES: {
- xmlChar *dup, *nam = NULL, *cur, save;
- xmlEntityPtr ent;
- dup = xmlStrdup(value);
- if (dup == NULL)
- return(0);
- cur = dup;
- while (*cur != 0) {
- nam = cur;
- while ((*cur != 0) && (!IS_BLANK(*cur))) cur++;
- save = *cur;
- *cur = 0;
- ent = xmlGetDocEntity(doc, nam);
- if (ent == NULL) {
- VERROR(ctxt->userData,
- "ENTITIES attribute %s reference an unknown entity "%s"n",
- name, nam);
- ret = 0;
- } else if (ent->etype != XML_EXTERNAL_GENERAL_UNPARSED_ENTITY) {
- VERROR(ctxt->userData,
- "ENTITIES attribute %s reference an entity "%s" of wrong typen",
- name, nam);
- ret = 0;
- }
- if (save == 0)
- break;
- *cur = save;
- while (IS_BLANK(*cur)) cur++;
- }
- xmlFree(dup);
- break;
- }
- case XML_ATTRIBUTE_NOTATION: {
- xmlNotationPtr nota;
- nota = xmlGetDtdNotationDesc(doc->intSubset, value);
- if ((nota == NULL) && (doc->extSubset != NULL))
- nota = xmlGetDtdNotationDesc(doc->extSubset, value);
- if (nota == NULL) {
- VERROR(ctxt->userData,
- "NOTATION attribute %s reference an unknown notation "%s"n",
- name, value);
- ret = 0;
- }
- break;
- }
- }
- return(ret);
- }
- /**
- * xmlValidNormalizeAttributeValue:
- * @doc: the document
- * @elem: the parent
- * @name: the attribute name
- * @value: the attribute value
- *
- * Does the validation related extra step of the normalization of attribute
- * values:
- *
- * If the declared value is not CDATA, then the XML processor must further
- * process the normalized attribute value by discarding any leading and
- * trailing space (#x20) characters, and by replacing sequences of space
- * (#x20) characters by single space (#x20) character.
- *
- * returns a new normalized string if normalization is needed, NULL otherwise
- * the caller must free the returned value.
- */
- xmlChar *
- xmlValidNormalizeAttributeValue(xmlDocPtr doc, xmlNodePtr elem,
- const xmlChar *name, const xmlChar *value) {
- xmlChar *ret, *dst;
- const xmlChar *src;
- xmlAttributePtr attrDecl;
- if (doc == NULL) return(NULL);
- if (elem == NULL) return(NULL);
- if (name == NULL) return(NULL);
- if (value == NULL) return(NULL);
- attrDecl = xmlGetDtdAttrDesc(doc->intSubset, elem->name, name);
- if ((attrDecl == NULL) && (doc->extSubset != NULL))
- attrDecl = xmlGetDtdAttrDesc(doc->extSubset, elem->name, name);
- if (attrDecl == NULL)
- return(NULL);
- if (attrDecl->atype == XML_ATTRIBUTE_CDATA)
- return(NULL);
- ret = xmlStrdup(value);
- if (ret == NULL)
- return(NULL);
- src = value;
- dst = ret;
- while (*src == 0x20) src++;
- while (*src != 0) {
- if (*src == 0x20) {
- while (*src == 0x20) src++;
- if (*src != 0)
- *dst++ = 0x20;
- } else {
- *dst++ = *src++;
- }
- }
- *dst = 0;
- return(ret);
- }
- /**
- * xmlValidateAttributeDecl:
- * @ctxt: the validation context
- * @doc: a document instance
- * @attr: an attribute definition
- *
- * Try to validate a single attribute definition
- * basically it does the following checks as described by the
- * XML-1.0 recommendation:
- * - [ VC: Attribute Default Legal ]
- * - [ VC: Enumeration ]
- * - [ VC: ID Attribute Default ]
- *
- * The ID/IDREF uniqueness and matching are done separately
- *
- * returns 1 if valid or 0 otherwise
- */
- int
- xmlValidateAttributeDecl(xmlValidCtxtPtr ctxt, xmlDocPtr doc,
- xmlAttributePtr attr) {
- int ret = 1;
- int val;
- CHECK_DTD;
- if(attr == NULL) return(1);
-
- /* Attribute Default Legal */
- /* Enumeration */
- if (attr->defaultValue != NULL) {
- val = xmlValidateAttributeValue(attr->atype, attr->defaultValue);
- if (val == 0) {
- VERROR(ctxt->userData,
- "Syntax of default value for attribute %s on %s is not validn",
- attr->name, attr->elem);
- }
- ret &= val;
- }
- /* ID Attribute Default */
- if ((attr->atype == XML_ATTRIBUTE_ID)&&
- (attr->def != XML_ATTRIBUTE_IMPLIED) &&
- (attr->def != XML_ATTRIBUTE_REQUIRED)) {
- VERROR(ctxt->userData,
- "ID attribute %s on %s is not valid must be #IMPLIED or #REQUIREDn",
- attr->name, attr->elem);
- ret = 0;
- }
- /* One ID per Element Type */
- if (attr->atype == XML_ATTRIBUTE_ID) {
- int nbId;
- /* the trick is taht we parse DtD as their own internal subset */
- xmlElementPtr elem = xmlGetDtdElementDesc(doc->intSubset,
- attr->elem);
- if (elem != NULL) {
- nbId = xmlScanIDAttributeDecl(NULL, elem);
- } else {
- xmlAttributeTablePtr table;
- int i;
- /*
- * The attribute may be declared in the internal subset and the
- * element in the external subset.
- */
- nbId = 0;
- table = doc->intSubset->attributes;
- if (table != NULL) {
- for (i = 0;i < table->nb_attributes;i++) {
- if ((table->table[i]->atype == XML_ATTRIBUTE_ID) &&
- (!xmlStrcmp(table->table[i]->elem, attr->elem))) {
- nbId++;
- }
- }
- }
- }
- if (nbId > 1) {
- VERROR(ctxt->userData,
- "Element %s has %d ID attribute defined in the internal subset : %sn",
- attr->elem, nbId, attr->name);
- } else if (doc->extSubset != NULL) {
- int extId = 0;
- elem = xmlGetDtdElementDesc(doc->extSubset, attr->elem);
- if (elem != NULL) {
- extId = xmlScanIDAttributeDecl(NULL, elem);
- }
- if (extId > 1) {
- VERROR(ctxt->userData,
- "Element %s has %d ID attribute defined in the external subset : %sn",
- attr->elem, extId, attr->name);
- } else if (extId + nbId > 1) {
- VERROR(ctxt->userData,
- "Element %s has ID attributes defined in the internal and external subset : %sn",
- attr->elem, attr->name);
- }
- }
- }
- /* Validity Constraint: Enumeration */
- if ((attr->defaultValue != NULL) && (attr->tree != NULL)) {
- xmlEnumerationPtr tree = attr->tree;
- while (tree != NULL) {
- if (!xmlStrcmp(tree->name, attr->defaultValue)) break;
- tree = tree->next;
- }
- if (tree == NULL) {
- VERROR(ctxt->userData,
- "Default value "%s" for attribute %s on %s is not among the enumerated setn",
- attr->defaultValue, attr->name, attr->elem);
- ret = 0;
- }
- }
- return(ret);
- }
- /**
- * xmlValidateElementDecl:
- * @ctxt: the validation context
- * @doc: a document instance
- * @elem: an element definition
- *
- * Try to validate a single element definition
- * basically it does the following checks as described by the
- * XML-1.0 recommendation:
- * - [ VC: One ID per Element Type ]
- * - [ VC: No Duplicate Types ]
- * - [ VC: Unique Element Type Declaration ]
- *
- * returns 1 if valid or 0 otherwise
- */
- int
- xmlValidateElementDecl(xmlValidCtxtPtr ctxt, xmlDocPtr doc,
- xmlElementPtr elem) {
- int ret = 1;
- xmlElementPtr tst;
- CHECK_DTD;
-
- if (elem == NULL) return(1);
- /* No Duplicate Types */
- if (elem->etype == XML_ELEMENT_TYPE_MIXED) {
- xmlElementContentPtr cur, next;
- const xmlChar *name;
- cur = elem->content;
- while (cur != NULL) {
- if (cur->type != XML_ELEMENT_CONTENT_OR) break;
- if (cur->c1 == NULL) break;
- if (cur->c1->type == XML_ELEMENT_CONTENT_ELEMENT) {
- name = cur->c1->name;
- next = cur->c2;
- while (next != NULL) {
- if (next->type == XML_ELEMENT_CONTENT_ELEMENT) {
- if (!xmlStrcmp(next->name, name)) {
- VERROR(ctxt->userData,
- "Definition of %s has duplicate references of %sn",
- elem->name, name);
- ret = 0;
- }
- break;
- }
- if (next->c1 == NULL) break;
- if (next->c1->type != XML_ELEMENT_CONTENT_ELEMENT) break;
- if (!xmlStrcmp(next->c1->name, name)) {
- VERROR(ctxt->userData,
- "Definition of %s has duplicate references of %sn",
- elem->name, name);
- ret = 0;
- }
- next = next->c2;
- }
- }
- cur = cur->c2;
- }
- }
- /* VC: Unique Element Type Declaration */
- tst = xmlGetDtdElementDesc(doc->intSubset, elem->name);
- if ((tst != NULL ) && (tst != elem)) {
- VERROR(ctxt->userData, "Redefinition of element %sn",
- elem->name);
- ret = 0;
- }
- tst = xmlGetDtdElementDesc(doc->extSubset, elem->name);
- if ((tst != NULL ) && (tst != elem)) {
- VERROR(ctxt->userData, "Redefinition of element %sn",
- elem->name);
- ret = 0;
- }
- /* One ID per Element Type */
- if (xmlScanIDAttributeDecl(ctxt, elem) > 1) {
- ret = 0;
- }
- return(ret);
- }
- /**
- * xmlValidateOneAttribute:
- * @ctxt: the validation context
- * @doc: a document instance
- * @elem: an element instance
- * @attr: an attribute instance
- * @value: the attribute value (without entities processing)
- *
- * Try to validate a single attribute for an element
- * basically it does the following checks as described by the
- * XML-1.0 recommendation:
- * - [ VC: Attribute Value Type ]
- * - [ VC: Fixed Attribute Default ]
- * - [ VC: Entity Name ]
- * - [ VC: Name Token ]
- * - [ VC: ID ]
- * - [ VC: IDREF ]
- * - [ VC: Entity Name ]
- * - [ VC: Notation Attributes ]
- *
- * The ID/IDREF uniqueness and matching are done separately
- *
- * returns 1 if valid or 0 otherwise
- */
- int
- xmlValidateOneAttribute(xmlValidCtxtPtr ctxt, xmlDocPtr doc,
- xmlNodePtr elem, xmlAttrPtr attr, const xmlChar *value) {
- /* xmlElementPtr elemDecl; */
- xmlAttributePtr attrDecl;
- int val;
- int ret = 1;
- CHECK_DTD;
- if ((elem == NULL) || (elem->name == NULL)) return(0);
- if ((attr == NULL) || (attr->name == NULL)) return(0);
- attrDecl = xmlGetDtdAttrDesc(doc->intSubset, elem->name, attr->name);
- if ((attrDecl == NULL) && (doc->extSubset != NULL))
- attrDecl = xmlGetDtdAttrDesc(doc->extSubset, elem->name, attr->name);
- /* Validity Constraint: Attribute Value Type */
- if (attrDecl == NULL) {
- VERROR(ctxt->userData,
- "No declaration for attribute %s on element %sn",
- attr->name, elem->name);
- return(0);
- }
- attr->atype = attrDecl->atype;
- val = xmlValidateAttributeValue(attrDecl->atype, value);
- if (val == 0) {
- VERROR(ctxt->userData,
- "Syntax of value for attribute %s on %s is not validn",
- attr->name, elem->name);
- ret = 0;
- }
- /* Validity constraint: Fixed Attribute Default */
- if (attrDecl->def == XML_ATTRIBUTE_FIXED) {
- if (xmlStrcmp(value, attrDecl->defaultValue)) {
- VERROR(ctxt->userData,
- "Value for attribute %s on %s is differnt from default "%s"n",
- attr->name, elem->name, attrDecl->defaultValue);
- ret = 0;
- }
- }
- /* Validity Constraint: ID uniqueness */
- if (attrDecl->atype == XML_ATTRIBUTE_ID) {
- xmlAddID(ctxt, doc, value, attr);
- }
- if ((attrDecl->atype == XML_ATTRIBUTE_IDREF) ||
- (attrDecl->atype == XML_ATTRIBUTE_IDREFS)) {
- xmlAddRef(ctxt, doc, value, attr);
- }
- /* Validity Constraint: Notation Attributes */
- if (attrDecl->atype == XML_ATTRIBUTE_NOTATION) {
- xmlEnumerationPtr tree = attrDecl->tree;
- xmlNotationPtr nota;
- /* First check that the given NOTATION was declared */
- nota = xmlGetDtdNotationDesc(doc->intSubset, value);
- if (nota == NULL)
- nota = xmlGetDtdNotationDesc(doc->extSubset, value);
-
- if (nota == NULL) {
- VERROR(ctxt->userData,
- "Value "%s" for attribute %s on %s is not a declared Notationn",
- value, attr->name, elem->name);
- ret = 0;
- }
- /* Second, verify that it's among the list */
- while (tree != NULL) {
- if (!xmlStrcmp(tree->name, value)) break;
- tree = tree->next;
- }
- if (tree == NULL) {
- VERROR(ctxt->userData,
- "Value "%s" for attribute %s on %s is not among the enumerated notationsn",
- value, attr->name, elem->name);
- ret = 0;
- }
- }
- /* Validity Constraint: Enumeration */
- if (attrDecl->atype == XML_ATTRIBUTE_ENUMERATION) {
- xmlEnumerationPtr tree = attrDecl->tree;
- while (tree != NULL) {
- if (!xmlStrcmp(tree->name, value)) break;
- tree = tree->next;
- }
- if (tree == NULL) {
- VERROR(ctxt->userData,
- "Value "%s" for attribute %s on %s is not among the enumerated setn",
- value, attr->name, elem->name);
- ret = 0;
- }
- }
- /* Fixed Attribute Default */
- if ((attrDecl->def == XML_ATTRIBUTE_FIXED) &&
- (xmlStrcmp(attrDecl->defaultValue, value))) {
- VERROR(ctxt->userData,
- "Value for attribute %s on %s must be "%s"n",
- attr->name, elem->name, attrDecl->defaultValue);
- ret = 0;
- }
- /* Extra check for the attribute value */
- ret &= xmlValidateAttributeValue2(ctxt, doc, attr->name,
- attrDecl->atype, value);
- return(ret);
- }
- int xmlValidateElementTypeElement(xmlValidCtxtPtr ctxt, xmlNodePtr *child,
- xmlElementContentPtr cont);
- /**
- * xmlValidateElementTypeExpr:
- * @ctxt: the validation context
- * @child: pointer to the child list
- * @cont: pointer to the content declaration
- *
- * Try to validate the content of an element of type element
- * but don't handle the occurence factor
- *
- * returns 1 if valid or 0 and -1 if PCDATA stuff is found,
- * also update child value in-situ.
- */
- int
- xmlValidateElementTypeExpr(xmlValidCtxtPtr ctxt, xmlNodePtr *child,
- xmlElementContentPtr cont) {
- xmlNodePtr cur;
- int ret = 1;
- if (cont == NULL) return(-1);
- DEBUG_VALID_STATE(*child, cont)
- while (*child != NULL) {
- if ((*child)->type == XML_ENTITY_REF_NODE) {
- /*
- * If there is an entity declared an it's not empty
- * Push the current node on the stack and process with the
- * entity content.
- */
- if (((*child)->children != NULL) &&
- ((*child)->children->children != NULL)) {
- nodeVPush(ctxt, *child);
- *child = (*child)->children->children;
- } else
- *child = (*child)->next;
- continue;
- }
- if ((*child)->type == XML_PI_NODE) {
- *child = (*child)->next;
- continue;
- }
- if ((*child)->type == XML_COMMENT_NODE) {
- *child = (*child)->next;
- continue;
- }
- else if ((*child)->type != XML_ELEMENT_NODE) {
- return(-1);
- }
- break;
- }
- DEBUG_VALID_STATE(*child, cont)
- switch (cont->type) {
- case XML_ELEMENT_CONTENT_PCDATA:
- if (*child == NULL) return(0);
- if ((*child)->type == XML_TEXT_NODE) return(1);
- return(0);
- case XML_ELEMENT_CONTENT_ELEMENT:
- if (*child == NULL) return(0);
- ret = (!xmlStrcmp((*child)->name, cont->name));
- if (ret == 1) {
- while ((*child)->next == NULL) {
- if (((*child)->parent != NULL) &&
- ((*child)->parent->type == XML_ENTITY_DECL)) {
- *child = nodeVPop(ctxt);
- } else
- break;
- }
- *child = (*child)->next;
- }
- return(ret);
- case XML_ELEMENT_CONTENT_OR:
- cur = *child;
- ret = xmlValidateElementTypeElement(ctxt, child, cont->c1);
- if (ret == -1) return(-1);
- if (ret == 1) {
- return(1);
- }
- /* rollback and retry the other path */
- *child = cur;
- ret = xmlValidateElementTypeElement(ctxt, child, cont->c2);
- if (ret == -1) return(-1);
- if (ret == 0) {
- *child = cur;
- return(0);
- }
- return(1);
- case XML_ELEMENT_CONTENT_SEQ:
- cur = *child;
- ret = xmlValidateElementTypeElement(ctxt, child, cont->c1);
- if (ret == -1) return(-1);
- if (ret == 0) {
- *child = cur;
- return(0);
- }
- ret = xmlValidateElementTypeElement(ctxt, child, cont->c2);
- if (ret == -1) return(-1);
- if (ret == 0) {
- *child = cur;
- return(0);
- }
- return(1);
- }
- return(ret);
- }
- /**
- * xmlValidateElementTypeElement:
- * @ctxt: the validation context
- * @child: pointer to the child list
- * @cont: pointer to the content declaration
- *
- * Try to validate the content of an element of type element
- * yeah, Yet Another Regexp Implementation, and recursive
- *
- * returns 1 if valid or 0 and -1 if PCDATA stuff is found,
- * also update child and content values in-situ.
- */
- int
- xmlValidateElementTypeElement(xmlValidCtxtPtr ctxt, xmlNodePtr *child,
- xmlElementContentPtr cont) {
- xmlNodePtr cur;
- int ret = 1;
- if (cont == NULL) return(-1);
- DEBUG_VALID_STATE(*child, cont)
- while (*child != NULL) {
- if ((*child)->type == XML_ENTITY_REF_NODE) {
- /*
- * If there is an entity declared an it's not empty
- * Push the current node on the stack and process with the
- * entity content.
- */
- if (((*child)->children != NULL) &&
- ((*child)->children->children != NULL)) {
- nodeVPush(ctxt, *child);
- *child = (*child)->children->children;
- } else
- *child = (*child)->next;
- continue;
- }
- if ((*child)->type == XML_PI_NODE) {
- *child = (*child)->next;
- continue;
- }
- if ((*child)->type == XML_COMMENT_NODE) {
- *child = (*child)->next;
- continue;
- }
- else if ((*child)->type != XML_ELEMENT_NODE) {
- return(-1);
- }
- break;
- }
- DEBUG_VALID_STATE(*child, cont)
- cur = *child;
- ret = xmlValidateElementTypeExpr(ctxt, child, cont);
- if (ret == -1) return(-1);
- switch (cont->ocur) {
- case XML_ELEMENT_CONTENT_ONCE:
- if (ret == 1) {
- /* skip ignorable elems */
- while ((*child != NULL) &&
- (((*child)->type == XML_PI_NODE) ||
- ((*child)->type == XML_COMMENT_NODE))) {
- while ((*child)->next == NULL) {
- if (((*child)->parent != NULL) &&
- ((*child)->parent->type == XML_ENTITY_REF_NODE)) {
- *child = (*child)->parent;
- } else
- break;
- }
- *child = (*child)->next;
- }
- return(1);
- }
- *child = cur;
- return(0);
- case XML_ELEMENT_CONTENT_OPT:
- if (ret == 0) {
- *child = cur;
- return(1);
- }
- break;
- case XML_ELEMENT_CONTENT_MULT:
- if (ret == 0) {
- *child = cur;
- break;
- }
- /* no break on purpose */
- case XML_ELEMENT_CONTENT_PLUS:
- if (ret == 0) {
- *child = cur;
- return(0);
- }
- do {
- cur = *child;
- ret = xmlValidateElementTypeExpr(ctxt, child, cont);
- } while (ret == 1);
- if (ret == -1) return(-1);
- *child = cur;
- break;
- }
- while (*child != NULL) {
- if ((*child)->type == XML_ENTITY_REF_NODE) {
- /*
- * If there is an entity declared an it's not empty
- * Push the current node on the stack and process with the
- * entity content.
- */
- if (((*child)->children != NULL) &&
- ((*child)->children->children != NULL)) {
- nodeVPush(ctxt, *child);
- *child = (*child)->children->children;
- } else
- *child = (*child)->next;
- continue;
- }
- if ((*child)->type == XML_PI_NODE) {
- *child = (*child)->next;
- continue;
- }
- if ((*child)->type == XML_COMMENT_NODE) {
- *child = (*child)->next;
- continue;
- }
- else if ((*child)->type != XML_ELEMENT_NODE) {
- return(-1);
- }
- break;
- }
- return(1);
- }
- /**
- * xmlSprintfElementChilds:
- * @buf: an output buffer
- * @content: An element
- * @glob: 1 if one must print the englobing parenthesis, 0 otherwise
- *
- * This will dump the list of childs to the buffer
- * Intended just for the debug routine
- */
- void
- xmlSprintfElementChilds(char *buf, xmlNodePtr node, int glob) {
- xmlNodePtr cur;
- if (node == NULL) return;
- if (glob) strcat(buf, "(");
- cur = node->children;
- while (cur != NULL) {
- switch (cur->type) {
- case XML_ELEMENT_NODE:
- strcat(buf, (char *) cur->name);
- if (cur->next != NULL)
- strcat(buf, " ");
- break;
- case XML_TEXT_NODE:
- case XML_CDATA_SECTION_NODE:
- case XML_ENTITY_REF_NODE:
- strcat(buf, "CDATA");
- if (cur->next != NULL)
- strcat(buf, " ");
- break;
- case XML_ATTRIBUTE_NODE:
- case XML_DOCUMENT_NODE:
- case XML_HTML_DOCUMENT_NODE:
- case XML_DOCUMENT_TYPE_NODE:
- case XML_DOCUMENT_FRAG_NODE:
- case XML_NOTATION_NODE:
- strcat(buf, "???");
- if (cur->next != NULL)
- strcat(buf, " ");
- break;
- case XML_ENTITY_NODE:
- case XML_PI_NODE:
- case XML_DTD_NODE:
- case XML_COMMENT_NODE:
- case XML_ELEMENT_DECL:
- case XML_ATTRIBUTE_DECL:
- case XML_ENTITY_DECL:
- break;
- }
- cur = cur->next;
- }
- if (glob) strcat(buf, ")");
- }
- /**
- * xmlValidateOneElement:
- * @ctxt: the validation context
- * @doc: a document instance
- * @elem: an element instance
- *
- * Try to validate a single element and it's attributes,
- * basically it does the following checks as described by the
- * XML-1.0 recommendation:
- * - [ VC: Element Valid ]
- * - [ VC: Required Attribute ]
- * Then call xmlValidateOneAttribute() for each attribute present.
- *
- * The ID/IDREF checkings are done separately
- *
- * returns 1 if valid or 0 otherwise
- */
- int
- xmlValidateOneElement(xmlValidCtxtPtr ctxt, xmlDocPtr doc,
- xmlNodePtr elem) {
- xmlElementPtr elemDecl;
- xmlElementContentPtr cont;
- xmlAttributePtr attr;
- xmlNodePtr child;
- int ret = 1;
- const xmlChar *name;
- CHECK_DTD;
- if (elem == NULL) return(0);
- if (elem->type == XML_TEXT_NODE) {
- }
- switch (elem->type) {
- case XML_ATTRIBUTE_NODE:
- VERROR(ctxt->userData,
- "Attribute element not expected heren");
- return(0);
- case XML_TEXT_NODE:
- if (elem->children != NULL) {
- VERROR(ctxt->userData, "Text element has childs !n");
- return(0);
- }
- if (elem->properties != NULL) {
- VERROR(ctxt->userData, "Text element has attributes !n");
- return(0);
- }
- if (elem->ns != NULL) {
- VERROR(ctxt->userData, "Text element has namespace !n");
- return(0);
- }
- if (elem->ns != NULL) {
- VERROR(ctxt->userData,
- "Text element carries namespace definitions !n");
- return(0);
- }
- if (elem->content == NULL) {
- VERROR(ctxt->userData,
- "Text element has no content !n");
- return(0);
- }
- return(1);
- case XML_CDATA_SECTION_NODE:
- case XML_ENTITY_REF_NODE:
- case XML_PI_NODE:
- case XML_COMMENT_NODE:
- return(1);
- case XML_ENTITY_NODE:
- VERROR(ctxt->userData,
- "Entity element not expected heren");
- return(0);
- case XML_NOTATION_NODE:
- VERROR(ctxt->userData,
- "Notation element not expected heren");
- return(0);
- case XML_DOCUMENT_NODE:
- case XML_DOCUMENT_TYPE_NODE:
- case XML_DOCUMENT_FRAG_NODE:
- VERROR(ctxt->userData,
- "Document element not expected heren");
- return(0);
- case XML_HTML_DOCUMENT_NODE:
- VERROR(ctxt->userData,
- "n");
- return(0);
- case XML_ELEMENT_NODE:
- break;
- default:
- VERROR(ctxt->userData,
- "unknown element type %dn", elem->type);
- return(0);
- }
- if (elem->name == NULL) return(0);
- elemDecl = xmlGetDtdElementDesc(doc->intSubset, elem->name);
- if ((elemDecl == NULL) && (doc->extSubset != NULL))
- elemDecl = xmlGetDtdElementDesc(doc->extSubset, elem->name);
- if (elemDecl == NULL) {
- VERROR(ctxt->userData, "No declaration for element %sn",
- elem->name);
- return(0);
- }
- /* Check taht the element content matches the definition */
- switch (elemDecl->etype) {
- case XML_ELEMENT_TYPE_EMPTY:
- if (elem->children != NULL) {
- VERROR(ctxt->userData,
- "Element %s was declared EMPTY this one has contentn",
- elem->name);
- ret = 0;
- }
- break;
- case XML_ELEMENT_TYPE_ANY:
- /* I don't think anything is required then */
- break;
- case XML_ELEMENT_TYPE_MIXED:
- /* Hum, this start to get messy */
- child = elem->children;
- while (child != NULL) {
- if (child->type == XML_ELEMENT_NODE) {
- name = child->name;
- cont = elemDecl->content;
- while (cont != NULL) {
- if (cont->type == XML_ELEMENT_CONTENT_ELEMENT) {
- if (!xmlStrcmp(cont->name, name)) break;
- } else if ((cont->type == XML_ELEMENT_CONTENT_OR) &&
- (cont->c1 != NULL) &&
- (cont->c1->type == XML_ELEMENT_CONTENT_ELEMENT)) {
- if (!xmlStrcmp(cont->c1->name, name)) break;
- } else if ((cont->type != XML_ELEMENT_CONTENT_OR) ||
- (cont->c1 == NULL) ||
- (cont->c1->type != XML_ELEMENT_CONTENT_PCDATA)) {
- /* Internal error !!! */
- fprintf(stderr, "Internal: MIXED struct badn");
- break;
- }
- cont = cont->c2;
- }
- if (cont == NULL) {
- VERROR(ctxt->userData,
- "Element %s is not declared in %s list of possible childsn",
- name, elem->name);
- ret = 0;
- }
- }
- child = child->next;
- }
- break;
- case XML_ELEMENT_TYPE_ELEMENT:
- child = elem->children;
- cont = elemDecl->content;
- ret = xmlValidateElementTypeElement(ctxt, &child, cont);
- if ((ret == 0) || (child != NULL)) {
- char expr[1000];
- char list[2000];
- expr[0] = 0;
- xmlSprintfElementContent(expr, cont, 1);
- list[0] = 0;
- xmlSprintfElementChilds(list, elem, 1);
- VERROR(ctxt->userData,
- "Element %s content doesn't follow the DtdnExpecting %s, got %sn",
- elem->name, expr, list);
- ret = 0;
- }
- break;
- }
- /* [ VC: Required Attribute ] */
- attr = elemDecl->attributes;
- while (attr != NULL) {
- if (attr->def == XML_ATTRIBUTE_REQUIRED) {
- xmlAttrPtr attrib;
- int qualified = -1;
-
- attrib = elem->properties;
- while (attrib != NULL) {
- if (!xmlStrcmp(attrib->name, attr->name)) {
- if (attr->prefix != NULL) {
- xmlNsPtr nameSpace = attrib->ns;
- if (nameSpace == NULL)
- nameSpace = elem->ns;
- /*
- * qualified names handling is problematic, having a
- * different prefix should be possible but DTDs don't
- * allow to define the URI instead of the prefix :-(
- */
- if (nameSpace == NULL) {
- if (qualified < 0)
- qualified = 0;
- } else if (xmlStrcmp(nameSpace->prefix, attr->prefix)) {
- if (qualified < 1)
- qualified = 1;
- } else
- goto found;
- } else {
- /*
- * We should allow applications to define namespaces
- * for their application even if the DTD doesn't
- * carry one, otherwise, basically we would always
- * break.
- */
- goto found;
- }
- }
- attrib = attrib->next;
- }
- if (qualified == -1) {
- if (attr->prefix == NULL) {
- VERROR(ctxt->userData,
- "Element %s doesn't carry attribute %sn",
- elem->name, attr->name);
- } else {
- VERROR(ctxt->userData,
- "Element %s doesn't carry attribute %s:%sn",
- elem->name, attr->prefix,attr->name);
- }
- } else if (qualified == 0) {
- VWARNING(ctxt->userData,
- "Element %s required attribute %s:%s has no prefixn",
- elem->name, attr->prefix,attr->name);
- } else if (qualified == 1) {
- VWARNING(ctxt->userData,
- "Element %s required attribute %s:%s has different prefixn",
- elem->name, attr->prefix,attr->name);
- }
- }
- found:
- attr = attr->nexth;
- }
- return(ret);
- }
- /**
- * xmlValidateRoot:
- * @ctxt: the validation context
- * @doc: a document instance
- *
- * Try to validate a the root element
- * basically it does the following check as described by the
- * XML-1.0 recommendation:
- * - [ VC: Root Element Type ]
- * it doesn't try to recurse or apply other check to the element
- *
- * returns 1 if valid or 0 otherwise
- */
- int
- xmlValidateRoot(xmlValidCtxtPtr ctxt, xmlDocPtr doc) {
- xmlNodePtr root;
- if (doc == NULL) return(0);
- if ((doc->intSubset == NULL) ||
- (doc->intSubset->name == NULL)) {
- VERROR(ctxt->userData, "Not valid: no DtD foundn");
- return(0);
- }
- root = xmlDocGetRootElement(doc);
- if ((root == NULL) || (root->name == NULL)) {
- VERROR(ctxt->userData, "Not valid: no root elementn");
- return(0);
- }
- if (xmlStrcmp(doc->intSubset->name, root->name)) {
- if ((xmlStrcmp(doc->intSubset->name, BAD_CAST "HTML")) ||
- (xmlStrcmp(root->name, BAD_CAST "html"))) {
- VERROR(ctxt->userData,
- "Not valid: root and DtD name do not match '%s' and '%s'n",
- root->name, doc->intSubset->name);
- return(0);
- }
- }
- return(1);
- }
- /**
- * xmlValidateElement:
- * @ctxt: the validation context
- * @doc: a document instance
- * @elem: an element instance
- *
- * Try to validate the subtree under an element
- *
- * returns 1 if valid or 0 otherwise
- */
- int
- xmlValidateElement(xmlValidCtxtPtr ctxt, xmlDocPtr doc, xmlNodePtr elem) {
- xmlNodePtr child;
- xmlAttrPtr attr;
- xmlChar *value;
- int ret = 1;
- if (elem == NULL) return(0);
- CHECK_DTD;
- ret &= xmlValidateOneElement(ctxt, doc, elem);
- attr = elem->properties;
- while(attr != NULL) {
- value = xmlNodeListGetString(doc, attr->children, 0);
- ret &= xmlValidateOneAttribute(ctxt, doc, elem, attr, value);
- if (value != NULL)
- xmlFree(value);
- attr= attr->next;
- }
- child = elem->children;
- while (child != NULL) {
- ret &= xmlValidateElement(ctxt, doc, child);
- child = child->next;
- }
- return(ret);
- }
- /**
- * xmlValidateDocumentFinal:
- * @ctxt: the validation context
- * @doc: a document instance
- *
- * Does the final step for the document validation once all the
- * incremental validation steps have been completed
- *
- * basically it does the following checks described by the XML Rec
- *
- *
- * returns 1 if valid or 0 otherwise
- */
- int
- xmlValidateDocumentFinal(xmlValidCtxtPtr ctxt, xmlDocPtr doc) {
- int ret = 1, i;
- xmlRefTablePtr table;
- xmlAttrPtr id;
- if (doc == NULL) {
- fprintf(stderr, "xmlValidateDocumentFinal: doc == NULLn");
- return(0);
- }
- /*
- * Check all the NOTATION/NOTATIONS attributes
- */
- /*
- * Check all the ENTITY/ENTITIES attributes definition for validity
- */
- /*
- * Check all the IDREF/IDREFS attributes definition for validity
- */
- table = doc->refs;
- if (table != NULL) {
- for (i = 0; i < table->nb_refs; i++) {
- if (table->table[i]->attr->atype == XML_ATTRIBUTE_IDREF) {
- id = xmlGetID(doc, table->table[i]->value);
- if (id == NULL) {
- VERROR(ctxt->userData,
- "IDREF attribute %s reference an unknown ID "%s"n",
- table->table[i]->attr->name, table->table[i]->value);
- ret = 0;
- }
- } else if (table->table[i]->attr->atype == XML_ATTRIBUTE_IDREFS) {
- xmlChar *dup, *name = NULL, *cur, save;
- dup = xmlStrdup(table->table[i]->value);
- if (dup == NULL)
- return(0);
- cur = dup;
- while (*cur != 0) {
- name = cur;
- while ((*cur != 0) && (!IS_BLANK(*cur))) cur++;
- save = *cur;
- *cur = 0;
- id = xmlGetID(doc, name);
- if (id == NULL) {
- VERROR(ctxt->userData,
- "IDREFS attribute %s reference an unknown ID "%s"n",
- table->table[i]->attr->name, name);
- ret = 0;
- }
- if (save == 0)
- break;
- *cur = save;
- while (IS_BLANK(*cur)) cur++;
- }
- xmlFree(dup);
- }
- }
- }
- return(ret);
- }
- /**
- * xmlValidateDtd:
- * @ctxt: the validation context
- * @doc: a document instance
- * @dtd: a dtd instance
- *
- * Try to validate the document against the dtd instance
- *
- * basically it does check all the definitions in the DtD.
- *
- * returns 1 if valid or 0 otherwise
- */
- int
- xmlValidateDtd(xmlValidCtxtPtr ctxt, xmlDocPtr doc, xmlDtdPtr dtd) {
- int ret;
- xmlDtdPtr oldExt;
- xmlNodePtr root;
- if (dtd == NULL) return(0);
- if (doc == NULL) return(0);
- oldExt = doc->extSubset;
- doc->extSubset = dtd;
- ret = xmlValidateRoot(ctxt, doc);
- if (ret == 0) {
- doc->extSubset = oldExt;
- return(ret);
- }
- root = xmlDocGetRootElement(doc);
- ret = xmlValidateElement(ctxt, doc, root);
- ret &= xmlValidateDocumentFinal(ctxt, doc);
- doc->extSubset = oldExt;
- return(ret);
- }
- /**
- * xmlValidateDtdFinal:
- * @ctxt: the validation context
- * @doc: a document instance
- *
- * Does the final step for the dtds validation once all the
- * subsets have been parsed
- *
- * basically it does the following checks described by the XML Rec
- * - check that ENTITY and ENTITIES type attributes default or
- * possible values matches one of the defined entities.
- * - check that NOTATION type attributes default or
- * possible values matches one of the defined notations.
- *
- * returns 1 if valid or 0 otherwise
- */
- int
- xmlValidateDtdFinal(xmlValidCtxtPtr ctxt, xmlDocPtr doc) {
- int ret = 1, i;
- xmlDtdPtr dtd;
- xmlAttributeTablePtr table;
- xmlAttributePtr cur;
- if (doc == NULL) return(0);
- if ((doc->intSubset == NULL) && (doc->extSubset == NULL))
- return(0);
- dtd = doc->intSubset;
- if ((dtd != NULL) && (dtd->attributes != NULL)) {
- table = dtd->attributes;
- for (i = 0;i < table->nb_attributes;i++) {
- cur = table->table[i];
- switch (cur->atype) {
- case XML_ATTRIBUTE_CDATA:
- case XML_ATTRIBUTE_ID:
- case XML_ATTRIBUTE_IDREF :
- case XML_ATTRIBUTE_IDREFS:
- case XML_ATTRIBUTE_NMTOKEN:
- case XML_ATTRIBUTE_NMTOKENS:
- case XML_ATTRIBUTE_ENUMERATION:
- break;
- case XML_ATTRIBUTE_ENTITY:
- case XML_ATTRIBUTE_ENTITIES:
- case XML_ATTRIBUTE_NOTATION:
- if (cur->defaultValue != NULL) {
- ret &= xmlValidateAttributeValue2(ctxt, doc, cur->name,
- cur->atype, cur->defaultValue);
- }
- if (cur->tree != NULL) {
- xmlEnumerationPtr tree = cur->tree;
- while (tree != NULL) {
- ret &= xmlValidateAttributeValue2(ctxt, doc,
- cur->name, cur->atype, tree->name);
- tree = tree->next;
- }
- }
- }
- }
- }
- dtd = doc->extSubset;
- if ((dtd != NULL) && (dtd->attributes != NULL)) {
- table = dtd->attributes;
- for (i = 0;i < table->nb_attributes;i++) {
- cur = table->table[i];
- switch (cur->atype) {
- case XML_ATTRIBUTE_CDATA:
- case XML_ATTRIBUTE_ID:
- case XML_ATTRIBUTE_IDREF :
- case XML_ATTRIBUTE_IDREFS:
- case XML_ATTRIBUTE_NMTOKEN:
- case XML_ATTRIBUTE_NMTOKENS:
- case XML_ATTRIBUTE_ENUMERATION:
- break;
- case XML_ATTRIBUTE_ENTITY:
- case XML_ATTRIBUTE_ENTITIES:
- case XML_ATTRIBUTE_NOTATION:
- if (cur->defaultValue != NULL) {
- ret &= xmlValidateAttributeValue2(ctxt, doc, cur->name,
- cur->atype, cur->defaultValue);
- }
- if (cur->tree != NULL) {
- xmlEnumerationPtr tree = cur->tree;
- while (tree != NULL) {
- ret &= xmlValidateAttributeValue2(ctxt, doc,
- cur->name, cur->atype, tree->name);
- tree = tree->next;
- }
- }
- }
- }
- }
- return(ret);
- }
- /**
- * xmlValidateDocument:
- * @ctxt: the validation context
- * @doc: a document instance
- *
- * Try to validate the document instance
- *
- * basically it does the all the checks described by the XML Rec
- * i.e. validates the internal and external subset (if present)
- * and validate the document tree.
- *
- * returns 1 if valid or 0 otherwise
- */
- int
- xmlValidateDocument(xmlValidCtxtPtr ctxt, xmlDocPtr doc) {
- int ret;
- xmlNodePtr root;
- if ((doc->intSubset == NULL) && (doc->extSubset == NULL))
- return(0);
- if ((doc->intSubset != NULL) && ((doc->intSubset->SystemID != NULL) ||
- (doc->intSubset->ExternalID != NULL)) && (doc->extSubset == NULL)) {
- doc->extSubset = xmlParseDTD(doc->intSubset->ExternalID,
- doc->intSubset->SystemID);
- if (doc->extSubset == NULL) {
- if (doc->intSubset->SystemID != NULL) {
- VERROR(ctxt->userData,
- "Could not load the external subset "%s"n",
- doc->intSubset->SystemID);
- } else {
- VERROR(ctxt->userData,
- "Could not load the external subset "%s"n",
- doc->intSubset->ExternalID);
- }
- return(0);
- }
- }
- ret = xmlValidateDtdFinal(ctxt, doc);
- if (!xmlValidateRoot(ctxt, doc)) return(0);
- root = xmlDocGetRootElement(doc);
- ret &= xmlValidateElement(ctxt, doc, root);
- ret &= xmlValidateDocumentFinal(ctxt, doc);
- return(ret);
- }
- /************************************************************************
- * *
- * Routines for dynamic validation editing *
- * *
- ************************************************************************/
- /**
- * xmlValidGetPotentialChildren:
- * @ctree: an element content tree
- * @list: an array to store the list of child names
- * @len: a pointer to the number of element in the list
- * @max: the size of the array
- *
- * Build/extend a list of potential children allowed by the content tree
- *
- * returns the number of element in the list, or -1 in case of error.
- */
- int
- xmlValidGetPotentialChildren(xmlElementContent *ctree, const xmlChar **list,
- int *len, int max) {
- int i;
- if ((ctree == NULL) || (list == NULL) || (len == NULL))
- return(-1);
- if (*len >= max) return(*len);
- switch (ctree->type) {
- case XML_ELEMENT_CONTENT_PCDATA:
- for (i = 0; i < *len;i++)
- if (!xmlStrcmp(BAD_CAST "#PCDATA", list[i])) return(*len);
- list[(*len)++] = BAD_CAST "#PCDATA";
- break;
- case XML_ELEMENT_CONTENT_ELEMENT:
- for (i = 0; i < *len;i++)
- if (!xmlStrcmp(ctree->name, list[i])) return(*len);
- list[(*len)++] = ctree->name;
- break;
- case XML_ELEMENT_CONTENT_SEQ:
- xmlValidGetPotentialChildren(ctree->c1, list, len, max);
- xmlValidGetPotentialChildren(ctree->c2, list, len, max);
- break;
- case XML_ELEMENT_CONTENT_OR:
- xmlValidGetPotentialChildren(ctree->c1, list, len, max);
- xmlValidGetPotentialChildren(ctree->c2, list, len, max);
- break;
- }
-
- return(*len);
- }
- /**
- * xmlValidGetValidElements:
- * @prev: an element to insert after
- * @next: an element to insert next
- * @list: an array to store the list of child names
- * @max: the size of the array
- *
- * This function returns the list of authorized children to insert
- * within an existing tree while respecting the validity constraints
- * forced by the Dtd. The insertion point is defined using @prev and
- * @next in the following ways:
- * to insert before 'node': xmlValidGetValidElements(node->prev, node, ...
- * to insert next 'node': xmlValidGetValidElements(node, node->next, ...
- * to replace 'node': xmlValidGetValidElements(node->prev, node->next, ...
- * to prepend a child to 'node': xmlValidGetValidElements(NULL, node->childs,
- * to append a child to 'node': xmlValidGetValidElements(node->last, NULL, ...
- *
- * pointers to the element names are inserted at the beginning of the array
- * and do not need to be freed.
- *
- * returns the number of element in the list, or -1 in case of error. If
- * the function returns the value @max the caller is invited to grow the
- * receiving array and retry.
- */
- int
- xmlValidGetValidElements(xmlNode *prev, xmlNode *next, const xmlChar **list,
- int max) {
- int nb_valid_elements = 0;
- const xmlChar *elements[256];
- int nb_elements = 0, i;
-
- xmlNode *ref_node;
- xmlNode *parent;
- xmlNode *test_node;
-
- xmlNode *prev_next;
- xmlNode *next_prev;
- xmlNode *parent_childs;
- xmlNode *parent_last;
-
- xmlElement *element_desc;
- if (prev == NULL && next == NULL)
- return(-1);
- if (list == NULL) return(-1);
- if (max <= 0) return(-1);
- nb_valid_elements = 0;
- ref_node = prev ? prev : next;
- parent = ref_node->parent;
- /*
- * Retrieves the parent element declaration
- */
- element_desc = xmlGetDtdElementDesc(parent->doc->intSubset,
- parent->name);
- if ((element_desc == NULL) && (parent->doc->extSubset != NULL))
- element_desc = xmlGetDtdElementDesc(parent->doc->extSubset,
- parent->name);
- if (element_desc == NULL) return(-1);
-
- /*
- * Do a backup of the current tree structure
- */
- prev_next = prev ? prev->next : NULL;
- next_prev = next ? next->prev : NULL;
- parent_childs = parent->children;
- parent_last = parent->last;
- /*
- * Creates a dummy node and insert it into the tree
- */
- test_node = xmlNewNode (NULL, BAD_CAST "<!dummy?>");
- test_node->doc = ref_node->doc;
- test_node->parent = parent;
- test_node->prev = prev;
- test_node->next = next;
-
- if (prev) prev->next = test_node;
- else parent->children = test_node;
-
- if (next) next->prev = test_node;
- else parent->last = test_node;
- /*
- * Insert each potential child node and check if the parent is
- * still valid
- */
- nb_elements = xmlValidGetPotentialChildren(element_desc->content,
- elements, &nb_elements, 256);
-
- for (i = 0;i < nb_elements;i++) {
- test_node->name = elements[i];
- if (xmlValidateOneElement(NULL, parent->doc, parent)) {
- int j;
- for (j = 0; j < nb_valid_elements;j++)
- if (!xmlStrcmp(elements[i], list[j])) break;
- list[nb_valid_elements++] = elements[i];
- if (nb_valid_elements >= max) break;
- }
- }
- /*
- * Restore the tree structure
- */
- if (prev) prev->next = prev_next;
- if (next) next->prev = next_prev;
- parent->children = parent_childs;
- parent->last = parent_last;
-
- return(nb_valid_elements);
- }