diff options
Diffstat (limited to 'bundle/libxml/xmlschemas.c')
| -rw-r--r-- | bundle/libxml/xmlschemas.c | 5468 |
1 files changed, 0 insertions, 5468 deletions
diff --git a/bundle/libxml/xmlschemas.c b/bundle/libxml/xmlschemas.c deleted file mode 100644 index 9bafb2dcf9..0000000000 --- a/bundle/libxml/xmlschemas.c +++ /dev/null @@ -1,5468 +0,0 @@ -/* - * schemas.c : implementation of the XML Schema handling and - * schema validity checking - * - * See Copyright for the status of this software. - * - * Daniel Veillard <veillard@redhat.com> - */ - -#define IN_LIBXML -#include "libxml.h" - -#ifdef LIBXML_SCHEMAS_ENABLED - -#include <string.h> -#include <libxml/xmlmemory.h> -#include <libxml/parser.h> -#include <libxml/parserInternals.h> -#include <libxml/hash.h> -#include <libxml/uri.h> - -#include <libxml/xmlschemas.h> -#include <libxml/schemasInternals.h> -#include <libxml/xmlschemastypes.h> -#include <libxml/xmlautomata.h> -#include <libxml/xmlregexp.h> - -#define DEBUG 1 /* very verbose output */ -#define DEBUG_CONTENT 1 -#define DEBUG_TYPE 1 -/* #define DEBUG_CONTENT_REGEXP 1 */ -/* #define DEBUG_AUTOMATA 1 */ - -#define UNBOUNDED (1 << 30) -#define TODO \ - xmlGenericError(xmlGenericErrorContext, \ - "Unimplemented block at %s:%d\n", \ - __FILE__, __LINE__); - -#define XML_SCHEMAS_DEFAULT_NAMESPACE (const xmlChar *)"the default namespace" - -/* - * The XML Schemas namespaces - */ -static const xmlChar *xmlSchemaNs = (const xmlChar *) - "http://www.w3.org/2001/XMLSchema"; - -static const xmlChar *xmlSchemaInstanceNs = (const xmlChar *) - "http://www.w3.org/2001/XMLSchema-instance"; - -#define IS_SCHEMA(node, type) \ - ((node != NULL) && (node->ns != NULL) && \ - (xmlStrEqual(node->name, (const xmlChar *) type)) && \ - (xmlStrEqual(node->ns->href, xmlSchemaNs))) - -#define XML_SCHEMAS_PARSE_ERROR 1 - -struct _xmlSchemaParserCtxt { - void *userData; /* user specific data block */ - xmlSchemaValidityErrorFunc error; /* the callback in case of errors */ - xmlSchemaValidityWarningFunc warning;/* the callback in case of warning */ - xmlSchemaValidError err; - - xmlSchemaPtr schema; /* The schema in use */ - xmlChar *container; /* the current element, group, ... */ - int counter; - - xmlChar *URL; - xmlDocPtr doc; - - const char *buffer; - int size; - - /* - * Used to build complex element content models - */ - xmlAutomataPtr am; - xmlAutomataStatePtr start; - xmlAutomataStatePtr end; - xmlAutomataStatePtr state; -}; - - -#define XML_SCHEMAS_ATTR_UNKNOWN 1 -#define XML_SCHEMAS_ATTR_CHECKED 2 - -typedef struct _xmlSchemaAttrState xmlSchemaAttrState; -typedef xmlSchemaAttrState *xmlSchemaAttrStatePtr; -struct _xmlSchemaAttrState { - xmlAttrPtr attr; - int state; -}; - -/** - * xmlSchemaValidCtxt: - * - * A Schemas validation context - */ - -struct _xmlSchemaValidCtxt { - void *userData; /* user specific data block */ - xmlSchemaValidityErrorFunc error; /* the callback in case of errors */ - xmlSchemaValidityWarningFunc warning;/* the callback in case of warning */ - - xmlSchemaPtr schema; /* The schema in use */ - xmlDocPtr doc; - xmlParserInputBufferPtr input; - xmlCharEncoding enc; - xmlSAXHandlerPtr sax; - void *user_data; - - xmlDocPtr myDoc; - int err; - - xmlNodePtr node; - xmlSchemaTypePtr type; - - xmlRegExecCtxtPtr regexp; - xmlSchemaValPtr value; - - int attrNr; - int attrBase; - int attrMax; - xmlSchemaAttrStatePtr attr; -}; - - -/************************************************************************ - * * - * Some predeclarations * - * * - ************************************************************************/ -static int xmlSchemaValidateSimpleValue(xmlSchemaValidCtxtPtr ctxt, - xmlSchemaTypePtr type, - xmlChar *value); - -/************************************************************************ - * * - * Allocation functions * - * * - ************************************************************************/ - -/** - * xmlSchemaNewSchema: - * @ctxt: a schema validation context (optional) - * - * Allocate a new Schema structure. - * - * Returns the newly allocated structure or NULL in case or error - */ -static xmlSchemaPtr -xmlSchemaNewSchema(xmlSchemaParserCtxtPtr ctxt) -{ - xmlSchemaPtr ret; - - ret = (xmlSchemaPtr) xmlMalloc(sizeof(xmlSchema)); - if (ret == NULL) { - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, "Out of memory\n"); - return (NULL); - } - memset(ret, 0, sizeof(xmlSchema)); - - return (ret); -} - -/** - * xmlSchemaNewFacet: - * @ctxt: a schema validation context (optional) - * - * Allocate a new Facet structure. - * - * Returns the newly allocated structure or NULL in case or error - */ -static xmlSchemaFacetPtr -xmlSchemaNewFacet(xmlSchemaParserCtxtPtr ctxt) -{ - xmlSchemaFacetPtr ret; - - ret = (xmlSchemaFacetPtr) xmlMalloc(sizeof(xmlSchemaFacet)); - if (ret == NULL) { - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, "Out of memory\n"); - return (NULL); - } - memset(ret, 0, sizeof(xmlSchemaFacet)); - - return (ret); -} - -/** - * xmlSchemaNewAnnot: - * @ctxt: a schema validation context (optional) - * @node: a node - * - * Allocate a new annotation structure. - * - * Returns the newly allocated structure or NULL in case or error - */ -static xmlSchemaAnnotPtr -xmlSchemaNewAnnot(xmlSchemaParserCtxtPtr ctxt, xmlNodePtr node) -{ - xmlSchemaAnnotPtr ret; - - ret = (xmlSchemaAnnotPtr) xmlMalloc(sizeof(xmlSchemaAnnot)); - if (ret == NULL) { - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, "Out of memory\n"); - return (NULL); - } - memset(ret, 0, sizeof(xmlSchemaAnnot)); - ret->content = node; - return (ret); -} - -/** - * xmlSchemaFreeAnnot: - * @annot: a schema type structure - * - * Deallocate a annotation structure - */ -static void -xmlSchemaFreeAnnot(xmlSchemaAnnotPtr annot) -{ - if (annot == NULL) - return; - xmlFree(annot); -} - -/** - * xmlSchemaFreeNotation: - * @schema: a schema notation structure - * - * Deallocate a Schema Notation structure. - */ -static void -xmlSchemaFreeNotation(xmlSchemaNotationPtr nota) -{ - if (nota == NULL) - return; - if (nota->name != NULL) - xmlFree((xmlChar *) nota->name); - xmlFree(nota); -} - -/** - * xmlSchemaFreeAttribute: - * @schema: a schema attribute structure - * - * Deallocate a Schema Attribute structure. - */ -static void -xmlSchemaFreeAttribute(xmlSchemaAttributePtr attr) -{ - if (attr == NULL) - return; - if (attr->name != NULL) - xmlFree((xmlChar *) attr->name); - if (attr->ref != NULL) - xmlFree((xmlChar *) attr->ref); - if (attr->refNs != NULL) - xmlFree((xmlChar *) attr->refNs); - if (attr->typeName != NULL) - xmlFree((xmlChar *) attr->typeName); - if (attr->typeNs != NULL) - xmlFree((xmlChar *) attr->typeNs); - xmlFree(attr); -} - -/** - * xmlSchemaFreeAttributeGroup: - * @schema: a schema attribute group structure - * - * Deallocate a Schema Attribute Group structure. - */ -static void -xmlSchemaFreeAttributeGroup(xmlSchemaAttributeGroupPtr attr) -{ - if (attr == NULL) - return; - if (attr->name != NULL) - xmlFree((xmlChar *) attr->name); - xmlFree(attr); -} - -/** - * xmlSchemaFreeElement: - * @schema: a schema element structure - * - * Deallocate a Schema Element structure. - */ -static void -xmlSchemaFreeElement(xmlSchemaElementPtr elem) -{ - if (elem == NULL) - return; - if (elem->name != NULL) - xmlFree((xmlChar *) elem->name); - if (elem->namedType != NULL) - xmlFree((xmlChar *) elem->namedType); - if (elem->namedTypeNs != NULL) - xmlFree((xmlChar *) elem->namedTypeNs); - if (elem->ref != NULL) - xmlFree((xmlChar *) elem->ref); - if (elem->refNs != NULL) - xmlFree((xmlChar *) elem->refNs); - if (elem->annot != NULL) - xmlSchemaFreeAnnot(elem->annot); - if (elem->contModel != NULL) - xmlRegFreeRegexp(elem->contModel); - xmlFree(elem); -} - -/** - * xmlSchemaFreeFacet: - * @facet: a schema facet structure - * - * Deallocate a Schema Facet structure. - */ -static void -xmlSchemaFreeFacet(xmlSchemaFacetPtr facet) -{ - if (facet == NULL) - return; - if (facet->value != NULL) - xmlFree((xmlChar *) facet->value); - if (facet->id != NULL) - xmlFree((xmlChar *) facet->id); - if (facet->val != NULL) - xmlSchemaFreeValue(facet->val); - if (facet->regexp != NULL) - xmlRegFreeRegexp(facet->regexp); - if (facet->annot != NULL) - xmlSchemaFreeAnnot(facet->annot); - xmlFree(facet); -} - -/** - * xmlSchemaFreeType: - * @type: a schema type structure - * - * Deallocate a Schema Type structure. - */ -void -xmlSchemaFreeType(xmlSchemaTypePtr type) -{ - if (type == NULL) - return; - if (type->name != NULL) - xmlFree((xmlChar *) type->name); - if (type->base != NULL) - xmlFree((xmlChar *) type->base); - if (type->baseNs != NULL) - xmlFree((xmlChar *) type->baseNs); - if (type->annot != NULL) - xmlSchemaFreeAnnot(type->annot); - if (type->facets != NULL) { - xmlSchemaFacetPtr facet, next; - - facet = type->facets; - while (facet != NULL) { - next = facet->next; - xmlSchemaFreeFacet(facet); - facet = next; - } - } - xmlFree(type); -} - -/** - * xmlSchemaFree: - * @schema: a schema structure - * - * Deallocate a Schema structure. - */ -void -xmlSchemaFree(xmlSchemaPtr schema) -{ - if (schema == NULL) - return; - - if (schema->name != NULL) - xmlFree((xmlChar *) schema->name); - if (schema->notaDecl != NULL) - xmlHashFree(schema->notaDecl, - (xmlHashDeallocator) xmlSchemaFreeNotation); - if (schema->attrDecl != NULL) - xmlHashFree(schema->attrDecl, - (xmlHashDeallocator) xmlSchemaFreeAttribute); - if (schema->attrgrpDecl != NULL) - xmlHashFree(schema->attrgrpDecl, - (xmlHashDeallocator) xmlSchemaFreeAttributeGroup); - if (schema->elemDecl != NULL) - xmlHashFree(schema->elemDecl, - (xmlHashDeallocator) xmlSchemaFreeElement); - if (schema->typeDecl != NULL) - xmlHashFree(schema->typeDecl, - (xmlHashDeallocator) xmlSchemaFreeType); - if (schema->annot != NULL) - xmlSchemaFreeAnnot(schema->annot); - if (schema->doc != NULL) - xmlFreeDoc(schema->doc); - - xmlFree(schema); -} - -/************************************************************************ - * * - * Error functions * - * * - ************************************************************************/ - -/** - * xmlSchemaErrorContext: - * @ctxt: the parsing context - * @schema: the schema being built - * @node: the node being processed - * @child: the child being processed - * - * Dump a SchemaType structure - */ -static void -xmlSchemaErrorContext(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - xmlNodePtr node, xmlNodePtr child) -{ - int line = 0; - const xmlChar *file = NULL; - const xmlChar *name = NULL; - const char *type = "error"; - - if ((ctxt == NULL) || (ctxt->error == NULL)) - return; - - if (child != NULL) - node = child; - - if (node != NULL) { - if ((node->type == XML_DOCUMENT_NODE) || - (node->type == XML_HTML_DOCUMENT_NODE)) { - xmlDocPtr doc = (xmlDocPtr) node; - - file = doc->URL; - } else { - /* - * Try to find contextual informations to report - */ - if (node->type == XML_ELEMENT_NODE) { - line = (int) node->content; - } else if ((node->prev != NULL) && - (node->prev->type == XML_ELEMENT_NODE)) { - line = (int) node->prev->content; - } else if ((node->parent != NULL) && - (node->parent->type == XML_ELEMENT_NODE)) { - line = (int) node->parent->content; - } - if ((node->doc != NULL) && (node->doc->URL != NULL)) - file = node->doc->URL; - if (node->name != NULL) - name = node->name; - } - } - - if (ctxt != NULL) - type = "compilation error"; - else if (schema != NULL) - type = "runtime error"; - - if ((file != NULL) && (line != 0) && (name != NULL)) - ctxt->error(ctxt->userData, "%s: file %s line %d element %s\n", - type, file, line, name); - else if ((file != NULL) && (name != NULL)) - ctxt->error(ctxt->userData, "%s: file %s element %s\n", - type, file, name); - else if ((file != NULL) && (line != 0)) - ctxt->error(ctxt->userData, "%s: file %s line %d\n", type, file, line); - else if (file != NULL) - ctxt->error(ctxt->userData, "%s: file %s\n", type, file); - else if (name != NULL) - ctxt->error(ctxt->userData, "%s: element %s\n", type, name); - else - ctxt->error(ctxt->userData, "%s\n", type); -} - -/************************************************************************ - * * - * Debug functions * - * * - ************************************************************************/ - -/** - * xmlSchemaElementDump: - * @elem: an element - * @output: the file output - * - * Dump the element - */ -static void -xmlSchemaElementDump(xmlSchemaElementPtr elem, FILE * output, - const xmlChar *name ATTRIBUTE_UNUSED, - const xmlChar *context ATTRIBUTE_UNUSED, - const xmlChar *namespace ATTRIBUTE_UNUSED) -{ - if (elem == NULL) - return; - - fprintf(output, "Element "); - if (elem->flags & XML_SCHEMAS_ELEM_TOPLEVEL) - fprintf(output, "toplevel "); - fprintf(output, ": %s ", elem->name); - if (namespace != NULL) - fprintf(output, "namespace '%s' ", namespace); - - if (elem->flags & XML_SCHEMAS_ELEM_NILLABLE) - fprintf(output, "nillable "); - if (elem->flags & XML_SCHEMAS_ELEM_GLOBAL) - fprintf(output, "global "); - if (elem->flags & XML_SCHEMAS_ELEM_DEFAULT) - fprintf(output, "default "); - if (elem->flags & XML_SCHEMAS_ELEM_FIXED) - fprintf(output, "fixed "); - if (elem->flags & XML_SCHEMAS_ELEM_ABSTRACT) - fprintf(output, "abstract "); - if (elem->flags & XML_SCHEMAS_ELEM_REF) - fprintf(output, "ref '%s' ", elem->ref); - if (elem->id != NULL) - fprintf(output, "id '%s' ", elem->id); - fprintf(output, "\n"); - if ((elem->minOccurs != 1) || (elem->maxOccurs != 1)) { - fprintf(output, " "); - if (elem->minOccurs != 1) - fprintf(output, "min: %d ", elem->minOccurs); - if (elem->maxOccurs >= UNBOUNDED) - fprintf(output, "max: unbounded\n"); - else if (elem->maxOccurs != 1) - fprintf(output, "max: %d\n", elem->maxOccurs); - else - fprintf(output, "\n"); - } - if (elem->namedType != NULL) { - fprintf(output, " type: %s", elem->namedType); - if (elem->namedTypeNs != NULL) - fprintf(output, " ns %s\n", elem->namedTypeNs); - else - fprintf(output, "\n"); - } - if (elem->substGroup != NULL) { - fprintf(output, " substitutionGroup: %s", elem->substGroup); - if (elem->substGroupNs != NULL) - fprintf(output, " ns %s\n", elem->substGroupNs); - else - fprintf(output, "\n"); - } - if (elem->value != NULL) - fprintf(output, " default: %s", elem->value); -} - -/** - * xmlSchemaAnnotDump: - * @output: the file output - * @annot: a annotation - * - * Dump the annotation - */ -static void -xmlSchemaAnnotDump(FILE * output, xmlSchemaAnnotPtr annot) -{ - xmlChar *content; - - if (annot == NULL) - return; - - content = xmlNodeGetContent(annot->content); - if (content != NULL) { - fprintf(output, " Annot: %s\n", content); - xmlFree(content); - } else - fprintf(output, " Annot: empty\n"); -} - -/** - * xmlSchemaTypeDump: - * @output: the file output - * @type: a type structure - * - * Dump a SchemaType structure - */ -static void -xmlSchemaTypeDump(xmlSchemaTypePtr type, FILE * output) -{ - if (type == NULL) { - fprintf(output, "Type: NULL\n"); - return; - } - fprintf(output, "Type: "); - if (type->name != NULL) - fprintf(output, "%s, ", type->name); - else - fprintf(output, "no name"); - switch (type->type) { - case XML_SCHEMA_TYPE_BASIC: - fprintf(output, "basic "); - break; - case XML_SCHEMA_TYPE_SIMPLE: - fprintf(output, "simple "); - break; - case XML_SCHEMA_TYPE_COMPLEX: - fprintf(output, "complex "); - break; - case XML_SCHEMA_TYPE_SEQUENCE: - fprintf(output, "sequence "); - break; - case XML_SCHEMA_TYPE_CHOICE: - fprintf(output, "choice "); - break; - case XML_SCHEMA_TYPE_ALL: - fprintf(output, "all "); - break; - case XML_SCHEMA_TYPE_UR: - fprintf(output, "ur "); - break; - case XML_SCHEMA_TYPE_RESTRICTION: - fprintf(output, "restriction "); - break; - case XML_SCHEMA_TYPE_EXTENSION: - fprintf(output, "extension "); - break; - default: - fprintf(output, "unknowntype%d ", type->type); - break; - } - if (type->base != NULL) { - fprintf(output, "base %s, ", type->base); - } - switch (type->contentType) { - case XML_SCHEMA_CONTENT_UNKNOWN: - fprintf(output, "unknown "); - break; - case XML_SCHEMA_CONTENT_EMPTY: - fprintf(output, "empty "); - break; - case XML_SCHEMA_CONTENT_ELEMENTS: - fprintf(output, "element "); - break; - case XML_SCHEMA_CONTENT_MIXED: - fprintf(output, "mixed "); - break; - case XML_SCHEMA_CONTENT_MIXED_OR_ELEMENTS: - fprintf(output, "mixed_or_elems "); - break; - case XML_SCHEMA_CONTENT_BASIC: - fprintf(output, "basic "); - break; - case XML_SCHEMA_CONTENT_SIMPLE: - fprintf(output, "simple "); - break; - case XML_SCHEMA_CONTENT_ANY: - fprintf(output, "any "); - break; - } - fprintf(output, "\n"); - if ((type->minOccurs != 1) || (type->maxOccurs != 1)) { - fprintf(output, " "); - if (type->minOccurs != 1) - fprintf(output, "min: %d ", type->minOccurs); - if (type->maxOccurs >= UNBOUNDED) - fprintf(output, "max: unbounded\n"); - else if (type->maxOccurs != 1) - fprintf(output, "max: %d\n", type->maxOccurs); - else - fprintf(output, "\n"); - } - if (type->annot != NULL) - xmlSchemaAnnotDump(output, type->annot); - if (type->subtypes != NULL) { - xmlSchemaTypePtr sub = type->subtypes; - - fprintf(output, " subtypes: "); - while (sub != NULL) { - fprintf(output, "%s ", sub->name); - sub = sub->next; - } - fprintf(output, "\n"); - } - -} - -/** - * xmlSchemaDump: - * @output: the file output - * @schema: a schema structure - * - * Dump a Schema structure. - */ -void -xmlSchemaDump(FILE * output, xmlSchemaPtr schema) -{ - if (schema == NULL) { - fprintf(output, "Schemas: NULL\n"); - return; - } - fprintf(output, "Schemas: "); - if (schema->name != NULL) - fprintf(output, "%s, ", schema->name); - else - fprintf(output, "no name, "); - if (schema->targetNamespace != NULL) - fprintf(output, "%s", schema->targetNamespace); - else - fprintf(output, "no target namespace"); - fprintf(output, "\n"); - if (schema->annot != NULL) - xmlSchemaAnnotDump(output, schema->annot); - - xmlHashScan(schema->typeDecl, (xmlHashScanner) xmlSchemaTypeDump, - output); - xmlHashScanFull(schema->elemDecl, - (xmlHashScannerFull) xmlSchemaElementDump, output); -} - -/************************************************************************ - * * - * Parsing functions * - * * - ************************************************************************/ - -/** - * xmlSchemaGetType: - * @schema: the schemas context - * @name: the type name - * @ns: the type namespace - * - * Lookup a type in the schemas or the predefined types - * - * Returns 1 if the string is NULL or made of blanks chars, 0 otherwise - */ -static xmlSchemaTypePtr -xmlSchemaGetType(xmlSchemaPtr schema, const xmlChar * name, - const xmlChar * namespace) { - xmlSchemaTypePtr ret; - - if (name == NULL) - return(NULL); - if (schema != NULL) { - ret = xmlHashLookup2(schema->typeDecl, name, namespace); - if (ret != NULL) - return(ret); - } - ret = xmlSchemaGetPredefinedType(name, namespace); -#ifdef DEBUG - if (ret == NULL) { - if (namespace == NULL) - fprintf(stderr, "Unable to lookup type %s", name); - else - fprintf(stderr, "Unable to lookup type %s:%s", name, namespace); - } -#endif - return(ret); -} - -/************************************************************************ - * * - * Parsing functions * - * * - ************************************************************************/ - -#define IS_BLANK_NODE(n) \ - (((n)->type == XML_TEXT_NODE) && (xmlSchemaIsBlank((n)->content))) - -/** - * xmlSchemaIsBlank: - * @str: a string - * - * Check if a string is ignorable - * - * Returns 1 if the string is NULL or made of blanks chars, 0 otherwise - */ -static int -xmlSchemaIsBlank(xmlChar *str) { - if (str == NULL) - return(1); - while (*str != 0) { - if (!(IS_BLANK(*str))) return(0); - str++; - } - return(1); -} - -/** - * xmlSchemaAddNotation: - * @ctxt: a schema validation context - * @schema: the schema being built - * @name: the item name - * - * Add an XML schema Attrribute declaration - * *WARNING* this interface is highly subject to change - * - * Returns the new struture or NULL in case of error - */ -static xmlSchemaNotationPtr -xmlSchemaAddNotation(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - const xmlChar * name) -{ - xmlSchemaNotationPtr ret = NULL; - int val; - - if ((ctxt == NULL) || (schema == NULL) || (name == NULL)) - return (NULL); - - if (schema->notaDecl == NULL) - schema->notaDecl = xmlHashCreate(10); - if (schema->notaDecl == NULL) - return (NULL); - - ret = (xmlSchemaNotationPtr) xmlMalloc(sizeof(xmlSchemaNotation)); - if (ret == NULL) { - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, "Out of memory\n"); - return (NULL); - } - memset(ret, 0, sizeof(xmlSchemaNotation)); - ret->name = xmlStrdup(name); - val = xmlHashAddEntry2(schema->notaDecl, name, schema->targetNamespace, - ret); - if (val != 0) { - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, "Could not add notation %s\n", - name); - xmlFree((char *) ret->name); - xmlFree(ret); - return (NULL); - } - return (ret); -} - - -/** - * xmlSchemaAddAttribute: - * @ctxt: a schema validation context - * @schema: the schema being built - * @name: the item name - * @container: the container's name - * - * Add an XML schema Attrribute declaration - * *WARNING* this interface is highly subject to change - * - * Returns the new struture or NULL in case of error - */ -static xmlSchemaAttributePtr -xmlSchemaAddAttribute(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - const xmlChar * name) -{ - xmlSchemaAttributePtr ret = NULL; - int val; - - if ((ctxt == NULL) || (schema == NULL) || (name == NULL)) - return (NULL); - - if (schema->attrDecl == NULL) - schema->attrDecl = xmlHashCreate(10); - if (schema->attrDecl == NULL) - return (NULL); - - ret = (xmlSchemaAttributePtr) xmlMalloc(sizeof(xmlSchemaAttribute)); - if (ret == NULL) { - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, "Out of memory\n"); - return (NULL); - } - memset(ret, 0, sizeof(xmlSchemaAttribute)); - ret->name = xmlStrdup(name); - val = xmlHashAddEntry3(schema->attrDecl, name, - schema->targetNamespace, ctxt->container, ret); - if (val != 0) { - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, "Could not add attribute %s\n", - name); - xmlFree((char *) ret->name); - xmlFree(ret); - return (NULL); - } - return (ret); -} - -/** - * xmlSchemaAddAttributeGroup: - * @ctxt: a schema validation context - * @schema: the schema being built - * @name: the item name - * - * Add an XML schema Attrribute Group declaration - * - * Returns the new struture or NULL in case of error - */ -static xmlSchemaAttributeGroupPtr -xmlSchemaAddAttributeGroup(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - const xmlChar * name) -{ - xmlSchemaAttributeGroupPtr ret = NULL; - int val; - - if ((ctxt == NULL) || (schema == NULL) || (name == NULL)) - return (NULL); - - if (schema->attrgrpDecl == NULL) - schema->attrgrpDecl = xmlHashCreate(10); - if (schema->attrgrpDecl == NULL) - return (NULL); - - ret = (xmlSchemaAttributeGroupPtr) xmlMalloc(sizeof(xmlSchemaAttributeGroup)); - if (ret == NULL) { - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, "Out of memory\n"); - return (NULL); - } - memset(ret, 0, sizeof(xmlSchemaAttributeGroup)); - ret->name = xmlStrdup(name); - val = xmlHashAddEntry3(schema->attrgrpDecl, name, - schema->targetNamespace, ctxt->container, ret); - if (val != 0) { - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, "Could not add attribute group %s\n", - name); - xmlFree((char *) ret->name); - xmlFree(ret); - return (NULL); - } - return (ret); -} - -/** - * xmlSchemaAddElement: - * @ctxt: a schema validation context - * @schema: the schema being built - * @name: the type name - * @namespace: the type namespace - * - * Add an XML schema Element declaration - * *WARNING* this interface is highly subject to change - * - * Returns the new struture or NULL in case of error - */ -static xmlSchemaElementPtr -xmlSchemaAddElement(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - const xmlChar * name, const xmlChar * namespace) -{ - xmlSchemaElementPtr ret = NULL; - int val; - - if ((ctxt == NULL) || (schema == NULL) || (name == NULL)) - return (NULL); - - if (schema->elemDecl == NULL) - schema->elemDecl = xmlHashCreate(10); - if (schema->elemDecl == NULL) - return (NULL); - - ret = (xmlSchemaElementPtr) xmlMalloc(sizeof(xmlSchemaElement)); - if (ret == NULL) { - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, "Out of memory\n"); - return (NULL); - } - memset(ret, 0, sizeof(xmlSchemaElement)); - ret->name = xmlStrdup(name); - val = xmlHashAddEntry3(schema->elemDecl, name, - namespace, ctxt->container, ret); - if (val != 0) { - char buf[100]; - - snprintf(buf, 99, "privatieelem%d", ctxt->counter++ + 1); - val = xmlHashAddEntry3(schema->elemDecl, name, (xmlChar *) buf, - namespace, ret); - if (val != 0) { - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, "Could not add element %s\n", - name); - xmlFree((char *) ret->name); - xmlFree(ret); - return (NULL); - } - } - return (ret); -} - -/** - * xmlSchemaAddType: - * @ctxt: a schema validation context - * @schema: the schema being built - * @name: the item name - * - * Add an XML schema Simple Type definition - * *WARNING* this interface is highly subject to change - * - * Returns the new struture or NULL in case of error - */ -static xmlSchemaTypePtr -xmlSchemaAddType(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - const xmlChar * name) -{ - xmlSchemaTypePtr ret = NULL; - int val; - - if ((ctxt == NULL) || (schema == NULL) || (name == NULL)) - return (NULL); - - if (schema->typeDecl == NULL) - schema->typeDecl = xmlHashCreate(10); - if (schema->typeDecl == NULL) - return (NULL); - - ret = (xmlSchemaTypePtr) xmlMalloc(sizeof(xmlSchemaType)); - if (ret == NULL) { - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, "Out of memory\n"); - return (NULL); - } - memset(ret, 0, sizeof(xmlSchemaType)); - ret->name = xmlStrdup(name); - val = xmlHashAddEntry2(schema->typeDecl, name, schema->targetNamespace, - ret); - if (val != 0) { - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, "Could not add type %s\n", name); - xmlFree((char *) ret->name); - xmlFree(ret); - return (NULL); - } - ret->minOccurs = 1; - ret->maxOccurs = 1; - - return (ret); -} - -/************************************************************************ - * * - * Utilities for parsing * - * * - ************************************************************************/ - -/** - * xmlGetQNameProp: - * @ctxt: a schema validation context - * @node: a subtree containing XML Schema informations - * @name: the attribute name - * @namespace: the result namespace if any - * - * Extract a QName Attribute value - * - * Returns the NCName or NULL if not found, and also update @namespace - * with the namespace URI - */ -static xmlChar * -xmlGetQNameProp(xmlSchemaParserCtxtPtr ctxt, xmlNodePtr node, - const char *name, - xmlChar **namespace) { - xmlChar *val, *ret, *prefix; - xmlNsPtr ns; - - - if (namespace != NULL) - *namespace = NULL; - val = xmlGetProp(node, (const xmlChar *) name); - if (val == NULL) - return(NULL); - - ret = xmlSplitQName2(val, &prefix); - if (ret == NULL) - return(val); - xmlFree(val); - - ns = xmlSearchNs(node->doc, node, prefix); - if (ns == NULL) { - xmlSchemaErrorContext(ctxt, NULL, node, NULL); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Attribute %s: the QName prefix %s is undefined\n", - name, prefix); - } else { - *namespace = xmlStrdup(ns->href); - } - xmlFree(prefix); - return(ret); -} - -/** - * xmlGetMaxOccurs: - * @ctxt: a schema validation context - * @node: a subtree containing XML Schema informations - * - * Get the maxOccurs property - * - * Returns the default if not found, or the value - */ -static int -xmlGetMaxOccurs(xmlSchemaParserCtxtPtr ctxt, xmlNodePtr node) { - xmlChar *val, *cur; - int ret = 0; - - val = xmlGetProp(node, (const xmlChar *) "maxOccurs"); - if (val == NULL) - return(1); - - if (xmlStrEqual(val, (const xmlChar *) "unbounded")) { - xmlFree(val); - return(UNBOUNDED); /* encoding it with -1 might be another option */ - } - - cur = val; - while (IS_BLANK(*cur)) cur++; - while ((*cur >= '0') && (*cur <= '9')) { - ret = ret * 10 + (*cur - '0'); - cur++; - } - while (IS_BLANK(*cur)) cur++; - if (*cur != 0) { - xmlSchemaErrorContext(ctxt, NULL, node, NULL); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, "invalid value for minOccurs: %s\n", - val); - xmlFree(val); - return(1); - } - xmlFree(val); - return(ret); -} - -/** - * xmlGetMinOccurs: - * @ctxt: a schema validation context - * @node: a subtree containing XML Schema informations - * - * Get the minOccurs property - * - * Returns the default if not found, or the value - */ -static int -xmlGetMinOccurs(xmlSchemaParserCtxtPtr ctxt, xmlNodePtr node) { - xmlChar *val, *cur; - int ret = 0; - - val = xmlGetProp(node, (const xmlChar *) "minOccurs"); - if (val == NULL) - return(1); - - cur = val; - while (IS_BLANK(*cur)) cur++; - while ((*cur >= '0') && (*cur <= '9')) { - ret = ret * 10 + (*cur - '0'); - cur++; - } - while (IS_BLANK(*cur)) cur++; - if (*cur != 0) { - xmlSchemaErrorContext(ctxt, NULL, node, NULL); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, "invalid value for minOccurs: %s\n", - val); - xmlFree(val); - return(1); - } - xmlFree(val); - return(ret); -} - -/** - * xmlGetBooleanProp: - * @ctxt: a schema validation context - * @node: a subtree containing XML Schema informations - * @name: the attribute name - * @def: the default value - * - * Get is a bolean property is set - * - * Returns the default if not found, 0 if found to be false, - * 1 if found to be true - */ -static int -xmlGetBooleanProp(xmlSchemaParserCtxtPtr ctxt, xmlNodePtr node, - const char *name, int def) { - xmlChar *val; - - val = xmlGetProp(node, (const xmlChar *) name); - if (val == NULL) - return(def); - - if (xmlStrEqual(val, BAD_CAST"true")) - def = 1; - else if (xmlStrEqual(val, BAD_CAST"false")) - def = 0; - else { - xmlSchemaErrorContext(ctxt, NULL, node, NULL); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Attribute %s: the value %s is not boolean\n", - name, val); - } - xmlFree(val); - return(def); -} - -/************************************************************************ - * * - * Shema extraction from an Infoset * - * * - ************************************************************************/ -static xmlSchemaTypePtr xmlSchemaParseSimpleType(xmlSchemaParserCtxtPtr - ctxt, xmlSchemaPtr schema, - xmlNodePtr node); -static xmlSchemaTypePtr xmlSchemaParseComplexType(xmlSchemaParserCtxtPtr ctxt, - xmlSchemaPtr schema, - xmlNodePtr node); -static xmlSchemaTypePtr xmlSchemaParseRestriction(xmlSchemaParserCtxtPtr ctxt, - xmlSchemaPtr schema, - xmlNodePtr node, - int simple); -static xmlSchemaTypePtr xmlSchemaParseSequence(xmlSchemaParserCtxtPtr ctxt, - xmlSchemaPtr schema, - xmlNodePtr node); -static xmlSchemaTypePtr xmlSchemaParseAll(xmlSchemaParserCtxtPtr ctxt, - xmlSchemaPtr schema, - xmlNodePtr node); -static xmlSchemaAttributePtr xmlSchemaParseAttribute(xmlSchemaParserCtxtPtr - ctxt, - xmlSchemaPtr schema, - xmlNodePtr node); -static xmlSchemaAttributeGroupPtr -xmlSchemaParseAttributeGroup(xmlSchemaParserCtxtPtr ctxt, - xmlSchemaPtr schema, xmlNodePtr node); -static xmlSchemaTypePtr xmlSchemaParseChoice(xmlSchemaParserCtxtPtr ctxt, - xmlSchemaPtr schema, - xmlNodePtr node); -static xmlSchemaTypePtr xmlSchemaParseList(xmlSchemaParserCtxtPtr ctxt, - xmlSchemaPtr schema, - xmlNodePtr node); -static xmlSchemaAttributePtr -xmlSchemaParseAnyAttribute(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - xmlNodePtr node); - -/** - * xmlSchemaParseAttrDecls: - * @ctxt: a schema validation context - * @schema: the schema being built - * @node: a subtree containing XML Schema informations - * @type: the hosting type - * - * parse a XML schema attrDecls declaration corresponding to - * <!ENTITY % attrDecls - * '((%attribute;| %attributeGroup;)*,(%anyAttribute;)?)'> - */ -static xmlNodePtr -xmlSchemaParseAttrDecls(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - xmlNodePtr child, xmlSchemaTypePtr type) -{ - xmlSchemaAttributePtr lastattr, attr; - - lastattr = NULL; - while ((IS_SCHEMA(child, "attribute")) || - (IS_SCHEMA(child, "attributeGroup"))) { - attr = NULL; - if (IS_SCHEMA(child, "attribute")) { - attr = xmlSchemaParseAttribute(ctxt, schema, child); - } else if (IS_SCHEMA(child, "attributeGroup")) { - attr = (xmlSchemaAttributePtr) - xmlSchemaParseAttributeGroup(ctxt, schema, child); - } - if (attr != NULL) { - if (lastattr == NULL) { - type->attributes = attr; - lastattr = attr - ; - } else { - lastattr->next = attr; - lastattr = attr; - } - } - child = child->next; - } - if (IS_SCHEMA(child, "anyAttribute")) { - attr = xmlSchemaParseAnyAttribute(ctxt, schema, child); - if (attr != NULL) { - if (lastattr == NULL) { - type->attributes = attr; - lastattr = attr - ; - } else { - lastattr->next = attr; - lastattr = attr; - } - } - child = child->next; - } - return(child); -} - -/** - * xmlSchemaParseAnnotation: - * @ctxt: a schema validation context - * @schema: the schema being built - * @node: a subtree containing XML Schema informations - * - * parse a XML schema Attrribute declaration - * *WARNING* this interface is highly subject to change - * - * Returns -1 in case of error, 0 if the declaration is inproper and - * 1 in case of success. - */ -static xmlSchemaAnnotPtr -xmlSchemaParseAnnotation(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - xmlNodePtr node) -{ - xmlSchemaAnnotPtr ret; - - if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) - return (NULL); - ret = xmlSchemaNewAnnot(ctxt, node); - - return (ret); -} - -/** - * xmlSchemaParseFacet: - * @ctxt: a schema validation context - * @schema: the schema being built - * @node: a subtree containing XML Schema informations - * - * parse a XML schema Facet declaration - * *WARNING* this interface is highly subject to change - * - * Returns the new type structure or NULL in case of error - */ -static xmlSchemaFacetPtr -xmlSchemaParseFacet(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - xmlNodePtr node) -{ - xmlSchemaFacetPtr facet; - xmlNodePtr child = NULL; - xmlChar *value; - - if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) - return (NULL); - - facet = xmlSchemaNewFacet(ctxt); - if (facet == NULL) - return (NULL); - facet->node = node; - value = xmlGetProp(node, (const xmlChar *) "value"); - if (value == NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, "Facet %s has no value\n", node->name); - xmlSchemaFreeFacet(facet); - return (NULL); - } - if (IS_SCHEMA(node, "minInclusive")) { - facet->type = XML_SCHEMA_FACET_MININCLUSIVE; - } else if (IS_SCHEMA(node, "minExclusive")) { - facet->type = XML_SCHEMA_FACET_MINEXCLUSIVE; - } else if (IS_SCHEMA(node, "maxInclusive")) { - facet->type = XML_SCHEMA_FACET_MAXINCLUSIVE; - } else if (IS_SCHEMA(node, "maxExclusive")) { - facet->type = XML_SCHEMA_FACET_MAXEXCLUSIVE; - } else if (IS_SCHEMA(node, "totalDigits")) { - facet->type = XML_SCHEMA_FACET_TOTALDIGITS; - } else if (IS_SCHEMA(node, "fractionDigits")) { - facet->type = XML_SCHEMA_FACET_FRACTIONDIGITS; - } else if (IS_SCHEMA(node, "pattern")) { - facet->type = XML_SCHEMA_FACET_PATTERN; - } else if (IS_SCHEMA(node, "enumeration")) { - facet->type = XML_SCHEMA_FACET_ENUMERATION; - } else if (IS_SCHEMA(node, "whiteSpace")) { - facet->type = XML_SCHEMA_FACET_WHITESPACE; - } else if (IS_SCHEMA(node, "length")) { - facet->type = XML_SCHEMA_FACET_LENGTH; - } else if (IS_SCHEMA(node, "maxLength")) { - facet->type = XML_SCHEMA_FACET_MAXLENGTH; - } else if (IS_SCHEMA(node, "minLength")) { - facet->type = XML_SCHEMA_FACET_MINLENGTH; - } else { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, "Unknown facet type %s\n", node->name); - xmlSchemaFreeFacet(facet); - return(NULL); - } - facet->id = xmlGetProp(node, (const xmlChar *) "id"); - facet->value = value; - child = node->children; - - if (IS_SCHEMA(child, "annotation")) { - facet->annot = xmlSchemaParseAnnotation(ctxt, schema, child); - child = child->next; - } - if (child != NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Facet %s has unexpected child content\n", - node->name); - } - return (facet); -} - -/** - * xmlSchemaParseAny: - * @ctxt: a schema validation context - * @schema: the schema being built - * @node: a subtree containing XML Schema informations - * - * parse a XML schema Any declaration - * *WARNING* this interface is highly subject to change - * - * Returns the new type structure or NULL in case of error - */ -static xmlSchemaTypePtr -xmlSchemaParseAny(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - xmlNodePtr node) -{ - xmlSchemaTypePtr type; - xmlNodePtr child = NULL; - xmlChar name[30]; - - if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) - return (NULL); - snprintf((char *)name, 30, "any %d", ctxt->counter++ + 1); - type = xmlSchemaAddType(ctxt, schema, name); - if (type == NULL) - return (NULL); - type->node = node; - type->type = XML_SCHEMA_TYPE_ANY; - child = node->children; - type->minOccurs = xmlGetMinOccurs(ctxt, node); - type->maxOccurs = xmlGetMaxOccurs(ctxt, node); - - if (IS_SCHEMA(child, "annotation")) { - type->annot = xmlSchemaParseAnnotation(ctxt, schema, child); - child = child->next; - } - if (child != NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Sequence %s has unexpected content\n", - type->name); - } - - return (type); -} - -/** - * xmlSchemaParseNotation: - * @ctxt: a schema validation context - * @schema: the schema being built - * @node: a subtree containing XML Schema informations - * - * parse a XML schema Notation declaration - * - * Returns the new structure or NULL in case of error - */ -static xmlSchemaNotationPtr -xmlSchemaParseNotation(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - xmlNodePtr node) -{ - xmlChar *name; - xmlSchemaNotationPtr ret; - xmlNodePtr child = NULL; - - if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) - return (NULL); - name = xmlGetProp(node, (const xmlChar *) "name"); - if (name == NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, "Notation has no name\n"); - return (NULL); - } - ret = xmlSchemaAddNotation(ctxt, schema, name); - if (ret == NULL) { - xmlFree(name); - return (NULL); - } - child = node->children; - if (IS_SCHEMA(child, "annotation")) { - ret->annot = xmlSchemaParseAnnotation(ctxt, schema, child); - child = child->next; - } - if (child != NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "notation %s has unexpected content\n", - name); - } - - return (ret); -} - -/** - * xmlSchemaParseAnyAttribute: - * @ctxt: a schema validation context - * @schema: the schema being built - * @node: a subtree containing XML Schema informations - * - * parse a XML schema AnyAttrribute declaration - * *WARNING* this interface is highly subject to change - * - * Returns an attribute def structure or NULL - */ -static xmlSchemaAttributePtr -xmlSchemaParseAnyAttribute(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - xmlNodePtr node) -{ - xmlChar *processContents; - xmlSchemaAttributePtr ret; - xmlNodePtr child = NULL; - char name[100]; - - if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) - return (NULL); - - snprintf(name, 99, "anyattr %d", ctxt->counter++ + 1); - ret = xmlSchemaAddAttribute(ctxt, schema, (xmlChar *)name); - if (ret == NULL) { - return (NULL); - } - ret->id = xmlGetProp(node, (const xmlChar *) "id"); - processContents = xmlGetProp(node, (const xmlChar *) "processContents"); - if ((processContents == NULL) || - (xmlStrEqual(processContents, (const xmlChar *)"strict"))) { - ret->occurs = XML_SCHEMAS_ANYATTR_STRICT; - } else if (xmlStrEqual(processContents, (const xmlChar *)"skip")) { - ret->occurs = XML_SCHEMAS_ANYATTR_SKIP; - } else if (xmlStrEqual(processContents, (const xmlChar *)"lax")) { - ret->occurs = XML_SCHEMAS_ANYATTR_LAX; - } else { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "anyAttribute has unexpected content for processContents: %s\n", - processContents); - ret->occurs = XML_SCHEMAS_ANYATTR_STRICT; - } - if (processContents != NULL) - xmlFree(processContents); - - child = node->children; - if (IS_SCHEMA(child, "annotation")) { - ret->annot = xmlSchemaParseAnnotation(ctxt, schema, child); - child = child->next; - } - if (child != NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "anyAttribute %s has unexpected content\n", - name); - } - - return (ret); -} - - -/** - * xmlSchemaParseAttribute: - * @ctxt: a schema validation context - * @schema: the schema being built - * @node: a subtree containing XML Schema informations - * - * parse a XML schema Attrribute declaration - * *WARNING* this interface is highly subject to change - * - * Returns -1 in case of error, 0 if the declaration is inproper and - * 1 in case of success. - */ -static xmlSchemaAttributePtr -xmlSchemaParseAttribute(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - xmlNodePtr node) -{ - xmlChar *name, *refNs = NULL, *ref = NULL; - xmlSchemaAttributePtr ret; - xmlNodePtr child = NULL; - - if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) - return (NULL); - name = xmlGetProp(node, (const xmlChar *) "name"); - if (name == NULL) { - char buf[100]; - - ref = xmlGetQNameProp(ctxt, node, "ref", &refNs); - if (ref == NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, "Attribute has no name nor ref\n"); - return (NULL); - } - snprintf(buf, 99, "anonattr%d", ctxt->counter++ + 1); - name = xmlStrdup((xmlChar *) buf); - } - ret = xmlSchemaAddAttribute(ctxt, schema, name); - if (ret == NULL) { - xmlFree(name); - if (ref != NULL) - xmlFree(ref); - return (NULL); - } - xmlFree(name); - ret->ref = ref; - ret->refNs = refNs; - ret->typeName = xmlGetQNameProp(ctxt, node, "type", &(ret->typeNs)); - child = node->children; - if (IS_SCHEMA(child, "annotation")) { - ret->annot = xmlSchemaParseAnnotation(ctxt, schema, child); - child = child->next; - } - if (IS_SCHEMA(child, "simpleType")) { - ret->subtypes = xmlSchemaParseSimpleType(ctxt, schema, child); - child = child->next; - } - if (child != NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "attribute %s has unexpected content\n", - name); - } - - return (ret); -} - -/** - * xmlSchemaParseAttributeGroup: - * @ctxt: a schema validation context - * @schema: the schema being built - * @node: a subtree containing XML Schema informations - * - * parse a XML schema Attribute Group declaration - * *WARNING* this interface is highly subject to change - * - * Returns the attribute group or NULL in case of error. - */ -static xmlSchemaAttributeGroupPtr -xmlSchemaParseAttributeGroup(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - xmlNodePtr node) -{ - xmlChar *name, *refNs = NULL, *ref = NULL; - xmlSchemaAttributeGroupPtr ret; - xmlSchemaAttributePtr last = NULL, attr; - xmlNodePtr child = NULL; - xmlChar *oldcontainer; - - if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) - return (NULL); - oldcontainer = ctxt->container; - name = xmlGetProp(node, (const xmlChar *) "name"); - if (name == NULL) { - char buf[100]; - - ref = xmlGetQNameProp(ctxt, node, "ref", &refNs); - if (ref == NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "AttributeGroup has no name nor ref\n"); - return (NULL); - } - snprintf(buf, 99, "anonattrgroup%d", ctxt->counter++ + 1); - name = xmlStrdup((xmlChar *) buf); - } - ret = xmlSchemaAddAttributeGroup(ctxt, schema, name); - if (ret == NULL) { - xmlFree(name); - if (ref != NULL) - xmlFree(ref); - return (NULL); - } - ret->ref = ref; - ret->refNs = refNs; - ret->type = XML_SCHEMA_TYPE_ATTRIBUTEGROUP; - child = node->children; - ctxt->container = name; - if (IS_SCHEMA(child, "annotation")) { - ret->annot = xmlSchemaParseAnnotation(ctxt, schema, child); - child = child->next; - } - while ((IS_SCHEMA(child, "attribute")) || - (IS_SCHEMA(child, "attributeGroup"))) { - attr = NULL; - if (IS_SCHEMA(child, "attribute")) { - attr = xmlSchemaParseAttribute(ctxt, schema, child); - } else if (IS_SCHEMA(child, "attributeGroup")) { - attr = (xmlSchemaAttributePtr) - xmlSchemaParseAttributeGroup(ctxt, schema, child); - } - if (attr != NULL) { - if (last == NULL) { - ret->attributes = attr; - last = attr; - } else { - last->next = attr; - last = attr; - } - } - child = child->next; - } - if (IS_SCHEMA(child, "anyAttribute")) { - TODO - child = child->next; - } - if (child != NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "attribute group %s has unexpected content\n", - name); - } - - ctxt->container = oldcontainer; - return (ret); -} - -/** - * xmlSchemaParseElement: - * @ctxt: a schema validation context - * @schema: the schema being built - * @node: a subtree containing XML Schema informations - * - * parse a XML schema Element declaration - * *WARNING* this interface is highly subject to change - * - * Returns -1 in case of error, 0 if the declaration is inproper and - * 1 in case of success. - */ -static xmlSchemaElementPtr -xmlSchemaParseElement(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - xmlNodePtr node, int toplevel) -{ - xmlChar *name, *refNs = NULL, *ref = NULL, *namespace, *fixed; - xmlSchemaElementPtr ret; - xmlNodePtr child = NULL; - xmlChar *oldcontainer; - - if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) - return (NULL); - oldcontainer = ctxt->container; - name = xmlGetProp(node, (const xmlChar *) "name"); - if (name == NULL) { - char buf[100]; - - ref = xmlGetQNameProp(ctxt, node, "ref", &refNs); - if (ref == NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, "Element has no name nor ref\n"); - return (NULL); - } - snprintf(buf, 99, "anonelem%d", ctxt->counter++ + 1); - name = xmlStrdup((xmlChar *) buf); - } - namespace = xmlGetProp(node, (const xmlChar *) "targetNamespace"); - if (namespace == NULL) - ret = - xmlSchemaAddElement(ctxt, schema, name, - schema->targetNamespace); - else - ret = xmlSchemaAddElement(ctxt, schema, name, namespace); - if (namespace != NULL) - xmlFree(namespace); - if (ret == NULL) { - xmlFree(name); - if (ref != NULL) - xmlFree(ref); - return (NULL); - } - ret->type = XML_SCHEMA_TYPE_ELEMENT; - ret->ref = ref; - ret->refNs = refNs; - if (ref != NULL) - ret->flags |= XML_SCHEMAS_ELEM_REF; - if (toplevel) - ret->flags |= XML_SCHEMAS_ELEM_TOPLEVEL; - if (xmlGetBooleanProp(ctxt, node, "nillable", 0)) - ret->flags |= XML_SCHEMAS_ELEM_NILLABLE; - if (xmlGetBooleanProp(ctxt, node, "abstract", 0)) - ret->flags |= XML_SCHEMAS_ELEM_NILLABLE; - ctxt->container = name; - - ret->id = xmlGetProp(node, BAD_CAST "id"); - ret->namedType = xmlGetQNameProp(ctxt, node, "type", &(ret->namedTypeNs)); - ret->substGroup = xmlGetQNameProp(ctxt, node, "substitutionGroup", - &(ret->substGroupNs)); - fixed = xmlGetProp(node, BAD_CAST "fixed"); - ret->minOccurs = xmlGetMinOccurs(ctxt, node); - ret->maxOccurs = xmlGetMaxOccurs(ctxt, node); - - ret->value = xmlGetProp(node, BAD_CAST "default"); - if ((ret->value != NULL) && (fixed != NULL)) { - xmlSchemaErrorContext(ctxt, schema, node, child); - ctxt->error(ctxt->userData, - "Element %s has both default and fixed\n", - ret->name); - xmlFree(fixed); - } else if (fixed != NULL) { - ret->flags |= XML_SCHEMAS_ELEM_FIXED; - ret->value = fixed; - } - - child = node->children; - if (IS_SCHEMA(child, "annotation")) { - ret->annot = xmlSchemaParseAnnotation(ctxt, schema, child); - child = child->next; - } - if (IS_SCHEMA(child, "complexType")) { - ret->subtypes = xmlSchemaParseComplexType(ctxt, schema, child); - child = child->next; - } else if (IS_SCHEMA(child, "simpleType")) { - ret->subtypes = xmlSchemaParseSimpleType(ctxt, schema, child); - child = child->next; - } - while ((IS_SCHEMA(child, "unique")) || - (IS_SCHEMA(child, "key")) || - (IS_SCHEMA(child, "keyref"))) { - TODO - child = child->next; - } - if (child != NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "element %s has unexpected content\n", - name); - } - - ctxt->container = oldcontainer; - xmlFree(name); - return (ret); -} - -/** - * xmlSchemaParseUnion: - * @ctxt: a schema validation context - * @schema: the schema being built - * @node: a subtree containing XML Schema informations - * - * parse a XML schema Union definition - * *WARNING* this interface is highly subject to change - * - * Returns -1 in case of error, 0 if the declaration is inproper and - * 1 in case of success. - */ -static xmlSchemaTypePtr -xmlSchemaParseUnion(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - xmlNodePtr node) -{ - xmlSchemaTypePtr type, subtype, last = NULL; - xmlNodePtr child = NULL; - xmlChar name[30]; - - if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) - return (NULL); - - - snprintf((char *)name, 30, "union %d", ctxt->counter++ + 1); - type = xmlSchemaAddType(ctxt, schema, name); - if (type == NULL) - return (NULL); - type->node = node; - type->type = XML_SCHEMA_TYPE_LIST; - type->id = xmlGetProp(node, BAD_CAST "id"); - type->ref = xmlGetProp(node, BAD_CAST "memberTypes"); - - child = node->children; - if (IS_SCHEMA(child, "annotation")) { - type->annot = xmlSchemaParseAnnotation(ctxt, schema, child); - child = child->next; - } - while (IS_SCHEMA(child, "simpleType")) { - subtype = (xmlSchemaTypePtr) - xmlSchemaParseSimpleType(ctxt, schema, child); - if (subtype != NULL) { - if (last == NULL) { - type->subtypes = subtype; - last = subtype; - } else { - last->next = subtype; - last = subtype; - } - last->next = NULL; - } - child = child->next; - } - if (child != NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Union %s has unexpected content\n", - type->name); - } - return (type); -} - -/** - * xmlSchemaParseList: - * @ctxt: a schema validation context - * @schema: the schema being built - * @node: a subtree containing XML Schema informations - * - * parse a XML schema List definition - * *WARNING* this interface is highly subject to change - * - * Returns -1 in case of error, 0 if the declaration is inproper and - * 1 in case of success. - */ -static xmlSchemaTypePtr -xmlSchemaParseList(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - xmlNodePtr node) -{ - xmlSchemaTypePtr type, subtype; - xmlNodePtr child = NULL; - xmlChar name[30]; - - if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) - return (NULL); - - snprintf((char *)name, 30, "list %d", ctxt->counter++ + 1); - type = xmlSchemaAddType(ctxt, schema, name); - if (type == NULL) - return (NULL); - type->node = node; - type->type = XML_SCHEMA_TYPE_LIST; - type->id = xmlGetProp(node, BAD_CAST "id"); - type->ref = xmlGetQNameProp(ctxt, node, "ref", &(type->refNs)); - - child = node->children; - if (IS_SCHEMA(child, "annotation")) { - type->annot = xmlSchemaParseAnnotation(ctxt, schema, child); - child = child->next; - } - subtype = NULL; - if (IS_SCHEMA(child, "simpleType")) { - subtype = (xmlSchemaTypePtr) - xmlSchemaParseSimpleType(ctxt, schema, child); - child = child->next; - type->subtypes = subtype; - } - if (child != NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "List %s has unexpected content\n", - type->name); - } - return (type); -} -/** - * xmlSchemaParseSimpleType: - * @ctxt: a schema validation context - * @schema: the schema being built - * @node: a subtree containing XML Schema informations - * - * parse a XML schema Simple Type definition - * *WARNING* this interface is highly subject to change - * - * Returns -1 in case of error, 0 if the declaration is inproper and - * 1 in case of success. - */ -static xmlSchemaTypePtr -xmlSchemaParseSimpleType(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - xmlNodePtr node) -{ - xmlSchemaTypePtr type, subtype; - xmlNodePtr child = NULL; - xmlChar *name; - - if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) - return (NULL); - - - name = xmlGetProp(node, (const xmlChar *) "name"); - if (name == NULL) { - char buf[100]; - - snprintf(buf, 99, "simpletype%d", ctxt->counter++ + 1); - name = xmlStrdup((xmlChar *) buf); - } - if (name == NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, "simpleType has no name\n"); - return (NULL); - } - type = xmlSchemaAddType(ctxt, schema, name); - xmlFree(name); - if (type == NULL) - return (NULL); - type->node = node; - type->type = XML_SCHEMA_TYPE_SIMPLE; - type->id = xmlGetProp(node, BAD_CAST "id"); - - child = node->children; - if (IS_SCHEMA(child, "annotation")) { - type->annot = xmlSchemaParseAnnotation(ctxt, schema, child); - child = child->next; - } - subtype = NULL; - if (IS_SCHEMA(child, "restriction")) { - subtype = (xmlSchemaTypePtr) - xmlSchemaParseRestriction(ctxt, schema, child, 1); - child = child->next; - } else if (IS_SCHEMA(child, "list")) { - subtype = (xmlSchemaTypePtr) - xmlSchemaParseList(ctxt, schema, child); - child = child->next; - } else if (IS_SCHEMA(child, "union")) { - subtype = (xmlSchemaTypePtr) - xmlSchemaParseUnion(ctxt, schema, child); - child = child->next; - } - type->subtypes = subtype; - if (child != NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "SimpleType %s has unexpected content\n", - type->name); - } - - return (type); -} - - -/** - * xmlSchemaParseGroup: - * @ctxt: a schema validation context - * @schema: the schema being built - * @node: a subtree containing XML Schema informations - * - * parse a XML schema Group definition - * *WARNING* this interface is highly subject to change - * - * Returns -1 in case of error, 0 if the declaration is inproper and - * 1 in case of success. - */ -static xmlSchemaTypePtr -xmlSchemaParseGroup(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - xmlNodePtr node) -{ - xmlSchemaTypePtr type, subtype; - xmlNodePtr child = NULL; - xmlChar *name, *ref = NULL, *refNs = NULL; - - if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) - return (NULL); - - - name = xmlGetProp(node, (const xmlChar *) "name"); - if (name == NULL) { - char buf[100]; - - ref = xmlGetQNameProp(ctxt, node, "ref", &refNs); - if (ref == NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, "Group has no name nor ref\n"); - return (NULL); - } - snprintf(buf, 99, "anongroup%d", ctxt->counter++ + 1); - name = xmlStrdup((xmlChar *) buf); - } - type = xmlSchemaAddType(ctxt, schema, name); - if (type == NULL) - return (NULL); - type->node = node; - type->type = XML_SCHEMA_TYPE_GROUP; - type->id = xmlGetProp(node, BAD_CAST "id"); - type->ref = ref; - type->refNs = refNs; - type->minOccurs = xmlGetMinOccurs(ctxt, node); - type->maxOccurs = xmlGetMaxOccurs(ctxt, node); - - child = node->children; - if (IS_SCHEMA(child, "annotation")) { - type->annot = xmlSchemaParseAnnotation(ctxt, schema, child); - child = child->next; - } - subtype = NULL; - if (IS_SCHEMA(child, "all")) { - subtype = (xmlSchemaTypePtr) - xmlSchemaParseAll(ctxt, schema, child); - child = child->next; - } else if (IS_SCHEMA(child, "choice")) { - subtype = xmlSchemaParseChoice(ctxt, schema, child); - child = child->next; - } else if (IS_SCHEMA(child, "sequence")) { - subtype = (xmlSchemaTypePtr) - xmlSchemaParseSequence(ctxt, schema, child); - child = child->next; - } - if (subtype != NULL) - type->subtypes = subtype; - if (child != NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Group %s has unexpected content\n", - type->name); - } - - return (type); -} - -/** - * xmlSchemaParseAll: - * @ctxt: a schema validation context - * @schema: the schema being built - * @node: a subtree containing XML Schema informations - * - * parse a XML schema All definition - * *WARNING* this interface is highly subject to change - * - * Returns -1 in case of error, 0 if the declaration is inproper and - * 1 in case of success. - */ -static xmlSchemaTypePtr -xmlSchemaParseAll(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - xmlNodePtr node) -{ - xmlSchemaTypePtr type, subtype, last = NULL; - xmlNodePtr child = NULL; - xmlChar name[30]; - - if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) - return (NULL); - - - snprintf((char *)name, 30, "all%d", ctxt->counter++ + 1); - type = xmlSchemaAddType(ctxt, schema, name); - if (type == NULL) - return (NULL); - type->node = node; - type->type = XML_SCHEMA_TYPE_ALL; - type->id = xmlGetProp(node, BAD_CAST "id"); - type->minOccurs = xmlGetMinOccurs(ctxt, node); - type->maxOccurs = xmlGetMaxOccurs(ctxt, node); - - child = node->children; - if (IS_SCHEMA(child, "annotation")) { - type->annot = xmlSchemaParseAnnotation(ctxt, schema, child); - child = child->next; - } - while (IS_SCHEMA(child, "element")) { - subtype = (xmlSchemaTypePtr) - xmlSchemaParseElement(ctxt, schema, child, 0); - if (subtype != NULL) { - if (last == NULL) { - type->subtypes = subtype; - last = subtype; - } else { - last->next = subtype; - last = subtype; - } - last->next = NULL; - } - child = child->next; - } - if (child != NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "All %s has unexpected content\n", - type->name); - } - - return (type); -} - -/** - * xmlSchemaParseImport: - * @ctxt: a schema validation context - * @schema: the schema being built - * @node: a subtree containing XML Schema informations - * - * parse a XML schema Import definition - * *WARNING* this interface is highly subject to change - * - * Returns -1 in case of error, 0 if the declaration is inproper and - * 1 in case of success. - */ -static int -xmlSchemaParseImport(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - xmlNodePtr node) -{ - xmlNodePtr child = NULL; - xmlChar *namespace; - xmlChar *schemaLocation; - xmlChar *previous; - xmlURIPtr check; - - if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) - return (-1); - - namespace = xmlGetProp(node, BAD_CAST "namespace"); - if (namespace != NULL) { - check = xmlParseURI((const char *) namespace); - if (check == NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Import namespace attribute is not an URI: %s\n", - namespace); - xmlFree(namespace); - return(-1); - } else { - xmlFreeURI(check); - } - } - schemaLocation = xmlGetProp(node, BAD_CAST "schemaLocation"); - if (schemaLocation != NULL) { - check = xmlParseURI((const char *) schemaLocation); - if (check == NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Import schemaLocation attribute is not an URI: %s\n", - schemaLocation); - if (namespace != NULL) - xmlFree(namespace); - xmlFree(schemaLocation); - return(-1); - } else { - xmlFreeURI(check); - } - } - if (schema->schemasImports == NULL) { - schema->schemasImports = xmlHashCreate(10); - if (schema->schemasImports == NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Internal: failed to build import table\n"); - if (namespace != NULL) - xmlFree(namespace); - if (schemaLocation != NULL) - xmlFree(schemaLocation); - return(-1); - } - } - if (namespace == NULL) { - previous = xmlHashLookup(schema->schemasImports, - XML_SCHEMAS_DEFAULT_NAMESPACE); - if (schemaLocation != NULL) { - if (previous != NULL) { - if (!xmlStrEqual(schemaLocation, previous)) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Redefining import for default namespace with a different URI: %s\n", - schemaLocation); - } - } else { - xmlHashAddEntry(schema->schemasImports, - XML_SCHEMAS_DEFAULT_NAMESPACE, schemaLocation); - } - } - } else { - previous = xmlHashLookup(schema->schemasImports, namespace); - if (schemaLocation != NULL) { - if (previous != NULL) { - if (!xmlStrEqual(schemaLocation, previous)) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Redefining import for namespace %s with a different URI: %s\n", - namespace, schemaLocation); - } - } else { - xmlHashAddEntry(schema->schemasImports, - namespace, schemaLocation); - } - } - } - - child = node->children; - while (IS_SCHEMA(child, "annotation")) { - /* - * the annotations here are simply discarded ... - */ - child = child->next; - } - if (child != NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Import has unexpected content\n"); - return(-1); - } - return(1); -} - -/** - * xmlSchemaParseChoice: - * @ctxt: a schema validation context - * @schema: the schema being built - * @node: a subtree containing XML Schema informations - * - * parse a XML schema Choice definition - * *WARNING* this interface is highly subject to change - * - * Returns -1 in case of error, 0 if the declaration is inproper and - * 1 in case of success. - */ -static xmlSchemaTypePtr -xmlSchemaParseChoice(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - xmlNodePtr node) -{ - xmlSchemaTypePtr type, subtype, last = NULL; - xmlNodePtr child = NULL; - xmlChar name[30]; - - if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) - return (NULL); - - - snprintf((char *)name, 30, "choice %d", ctxt->counter++ + 1); - type = xmlSchemaAddType(ctxt, schema, name); - if (type == NULL) - return (NULL); - type->node = node; - type->type = XML_SCHEMA_TYPE_CHOICE; - type->id = xmlGetProp(node, BAD_CAST "id"); - type->minOccurs = xmlGetMinOccurs(ctxt, node); - type->maxOccurs = xmlGetMaxOccurs(ctxt, node); - - child = node->children; - if (IS_SCHEMA(child, "annotation")) { - type->annot = xmlSchemaParseAnnotation(ctxt, schema, child); - child = child->next; - } - while ((IS_SCHEMA(child, "element")) || - (IS_SCHEMA(child, "group")) || - (IS_SCHEMA(child, "any")) || - (IS_SCHEMA(child, "choice")) || - (IS_SCHEMA(child, "sequence"))) { - subtype = NULL; - if (IS_SCHEMA(child, "element")) { - subtype = (xmlSchemaTypePtr) - xmlSchemaParseElement(ctxt, schema, child, 0); - } else if (IS_SCHEMA(child, "group")) { - subtype = xmlSchemaParseGroup(ctxt, schema, child); - } else if (IS_SCHEMA(child, "any")) { - subtype = xmlSchemaParseAny(ctxt, schema, child); - } else if (IS_SCHEMA(child, "sequence")) { - subtype = xmlSchemaParseSequence(ctxt, schema, child); - } else if (IS_SCHEMA(child, "choice")) { - subtype = xmlSchemaParseChoice(ctxt, schema, child); - } - if (subtype != NULL) { - if (last == NULL) { - type->subtypes = subtype; - last = subtype; - } else { - last->next = subtype; - last = subtype; - } - last->next = NULL; - } - child = child->next; - } - if (child != NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Choice %s has unexpected content\n", - type->name); - } - - return (type); -} - -/** - * xmlSchemaParseSequence: - * @ctxt: a schema validation context - * @schema: the schema being built - * @node: a subtree containing XML Schema informations - * - * parse a XML schema Sequence definition - * *WARNING* this interface is highly subject to change - * - * Returns -1 in case of error, 0 if the declaration is inproper and - * 1 in case of success. - */ -static xmlSchemaTypePtr -xmlSchemaParseSequence(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - xmlNodePtr node) -{ - xmlSchemaTypePtr type, subtype, last = NULL; - xmlNodePtr child = NULL; - xmlChar name[30]; - - if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) - return (NULL); - - - snprintf((char *)name, 30, "sequence %d", ctxt->counter++ + 1); - type = xmlSchemaAddType(ctxt, schema, name); - if (type == NULL) - return (NULL); - type->node = node; - type->type = XML_SCHEMA_TYPE_SEQUENCE; - type->id = xmlGetProp(node, BAD_CAST "id"); - type->minOccurs = xmlGetMinOccurs(ctxt, node); - type->maxOccurs = xmlGetMaxOccurs(ctxt, node); - - child = node->children; - if (IS_SCHEMA(child, "annotation")) { - type->annot = xmlSchemaParseAnnotation(ctxt, schema, child); - child = child->next; - } - while ((IS_SCHEMA(child, "element")) || - (IS_SCHEMA(child, "group")) || - (IS_SCHEMA(child, "any")) || - (IS_SCHEMA(child, "choice")) || - (IS_SCHEMA(child, "sequence"))) { - subtype = NULL; - if (IS_SCHEMA(child, "element")) { - subtype = (xmlSchemaTypePtr) - xmlSchemaParseElement(ctxt, schema, child, 0); - } else if (IS_SCHEMA(child, "group")) { - subtype = xmlSchemaParseGroup(ctxt, schema, child); - } else if (IS_SCHEMA(child, "any")) { - subtype = xmlSchemaParseAny(ctxt, schema, child); - } else if (IS_SCHEMA(child, "choice")) { - subtype = xmlSchemaParseChoice(ctxt, schema, child); - } else if (IS_SCHEMA(child, "sequence")) { - subtype = xmlSchemaParseSequence(ctxt, schema, child); - } - if (subtype != NULL) { - if (last == NULL) { - type->subtypes = subtype; - last = subtype; - } else { - last->next = subtype; - last = subtype; - } - last->next = NULL; - } - child = child->next; - } - if (child != NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Sequence %s has unexpected content\n", - type->name); - } - - return (type); -} - -/** - * xmlSchemaParseRestriction: - * @ctxt: a schema validation context - * @schema: the schema being built - * @node: a subtree containing XML Schema informations - * @simple: is that part of a simple type. - * - * parse a XML schema Restriction definition - * *WARNING* this interface is highly subject to change - * - * Returns the type definition or NULL in case of error - */ -static xmlSchemaTypePtr -xmlSchemaParseRestriction(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - xmlNodePtr node, int simple) -{ - xmlSchemaTypePtr type, subtype; - xmlSchemaFacetPtr facet, lastfacet = NULL; - xmlNodePtr child = NULL; - xmlChar name[30]; - xmlChar *oldcontainer; - - if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) - return (NULL); - - oldcontainer = ctxt->container; - - snprintf((char *)name, 30, "restriction %d", ctxt->counter++ + 1); - type = xmlSchemaAddType(ctxt, schema, name); - if (type == NULL) - return (NULL); - type->node = node; - type->type = XML_SCHEMA_TYPE_RESTRICTION; - type->id = xmlGetProp(node, BAD_CAST "id"); - type->base = xmlGetQNameProp(ctxt, node, "base", &(type->baseNs)); - if ((!simple) && (type->base == NULL)) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Restriction %s has no base\n", - type->name); - } - ctxt->container = name; - - child = node->children; - if (IS_SCHEMA(child, "annotation")) { - type->annot = xmlSchemaParseAnnotation(ctxt, schema, child); - child = child->next; - } - subtype = NULL; - - if (IS_SCHEMA(child, "all")) { - subtype = (xmlSchemaTypePtr) - xmlSchemaParseAll(ctxt, schema, child); - child = child->next; - type->subtypes = subtype; - } else if (IS_SCHEMA(child, "choice")) { - subtype = xmlSchemaParseChoice(ctxt, schema, child); - child = child->next; - type->subtypes = subtype; - } else if (IS_SCHEMA(child, "sequence")) { - subtype = (xmlSchemaTypePtr) - xmlSchemaParseSequence(ctxt, schema, child); - child = child->next; - type->subtypes = subtype; - } else if (IS_SCHEMA(child, "group")) { - subtype = (xmlSchemaTypePtr) - xmlSchemaParseGroup(ctxt, schema, child); - child = child->next; - type->subtypes = subtype; - } else { - if (IS_SCHEMA(child, "simpleType")) { - subtype = (xmlSchemaTypePtr) - xmlSchemaParseSimpleType(ctxt, schema, child); - child = child->next; - type->baseType = subtype; - } - /* - * Facets - */ - while ((IS_SCHEMA(child, "minInclusive")) || - (IS_SCHEMA(child, "minExclusive")) || - (IS_SCHEMA(child, "maxInclusive")) || - (IS_SCHEMA(child, "maxExclusive")) || - (IS_SCHEMA(child, "totalDigits")) || - (IS_SCHEMA(child, "fractionDigits")) || - (IS_SCHEMA(child, "pattern")) || - (IS_SCHEMA(child, "enumeration")) || - (IS_SCHEMA(child, "whiteSpace")) || - (IS_SCHEMA(child, "length")) || - (IS_SCHEMA(child, "maxLength")) || - (IS_SCHEMA(child, "minLength"))) { - facet = xmlSchemaParseFacet(ctxt, schema, child); - if (facet != NULL) { - if (lastfacet == NULL) { - type->facets = facet; - lastfacet = facet; - } else { - lastfacet->next = facet; - lastfacet = facet; - } - lastfacet->next = NULL; - } - child = child->next; - } - } - child = xmlSchemaParseAttrDecls(ctxt, schema, child, type); - if (child != NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Restriction %s has unexpected content\n", - type->name); - } - ctxt->container = oldcontainer; - return (type); -} - -/** - * xmlSchemaParseExtension: - * @ctxt: a schema validation context - * @schema: the schema being built - * @node: a subtree containing XML Schema informations - * - * parse a XML schema Extension definition - * *WARNING* this interface is highly subject to change - * - * Returns the type definition or NULL in case of error - */ -static xmlSchemaTypePtr -xmlSchemaParseExtension(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - xmlNodePtr node) -{ - xmlSchemaTypePtr type, subtype; - xmlNodePtr child = NULL; - xmlChar name[30]; - xmlChar *oldcontainer; - - if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) - return (NULL); - - oldcontainer = ctxt->container; - - snprintf((char *)name, 30, "extension %d", ctxt->counter++ + 1); - type = xmlSchemaAddType(ctxt, schema, name); - if (type == NULL) - return (NULL); - type->node = node; - type->type = XML_SCHEMA_TYPE_EXTENSION; - type->id = xmlGetProp(node, BAD_CAST "id"); - ctxt->container = name; - - type->base = xmlGetQNameProp(ctxt, node, "base", &(type->baseNs)); - if (type->base == NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Extension %s has no base\n", - type->name); - } - child = node->children; - if (IS_SCHEMA(child, "annotation")) { - type->annot = xmlSchemaParseAnnotation(ctxt, schema, child); - child = child->next; - } - subtype = NULL; - - if (IS_SCHEMA(child, "all")) { - subtype = xmlSchemaParseAll(ctxt, schema, child); - child = child->next; - } else if (IS_SCHEMA(child, "choice")) { - subtype = xmlSchemaParseChoice(ctxt, schema, child); - child = child->next; - } else if (IS_SCHEMA(child, "sequence")) { - subtype = xmlSchemaParseSequence(ctxt, schema, child); - child = child->next; - } else if (IS_SCHEMA(child, "group")) { - subtype = xmlSchemaParseGroup(ctxt, schema, child); - child = child->next; - } - if (subtype != NULL) - type->subtypes = subtype; - child = xmlSchemaParseAttrDecls(ctxt, schema, child, type); - if (child != NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Extension %s has unexpected content\n", - type->name); - } - ctxt->container = oldcontainer; - return (type); -} - -/** - * xmlSchemaParseSimpleContent: - * @ctxt: a schema validation context - * @schema: the schema being built - * @node: a subtree containing XML Schema informations - * - * parse a XML schema SimpleContent definition - * *WARNING* this interface is highly subject to change - * - * Returns the type definition or NULL in case of error - */ -static xmlSchemaTypePtr -xmlSchemaParseSimpleContent(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - xmlNodePtr node) -{ - xmlSchemaTypePtr type, subtype; - xmlNodePtr child = NULL; - xmlChar name[30]; - - if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) - return (NULL); - - - snprintf((char *)name, 30, "complexContent %d", ctxt->counter++ + 1); - type = xmlSchemaAddType(ctxt, schema, name); - if (type == NULL) - return (NULL); - type->node = node; - type->type = XML_SCHEMA_TYPE_SIMPLE_CONTENT; - type->id = xmlGetProp(node, BAD_CAST "id"); - - child = node->children; - if (IS_SCHEMA(child, "annotation")) { - type->annot = xmlSchemaParseAnnotation(ctxt, schema, child); - child = child->next; - } - subtype = NULL; - if (IS_SCHEMA(child, "restriction")) { - subtype = (xmlSchemaTypePtr) - xmlSchemaParseRestriction(ctxt, schema, child, 0); - child = child->next; - } else if (IS_SCHEMA(child, "extension")) { - subtype = (xmlSchemaTypePtr) - xmlSchemaParseExtension(ctxt, schema, child); - child = child->next; - } - type->subtypes = subtype; - if (child != NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "SimpleContent %s has unexpected content\n", - type->name); - } - return (type); -} - -/** - * xmlSchemaParseComplexContent: - * @ctxt: a schema validation context - * @schema: the schema being built - * @node: a subtree containing XML Schema informations - * - * parse a XML schema ComplexContent definition - * *WARNING* this interface is highly subject to change - * - * Returns the type definition or NULL in case of error - */ -static xmlSchemaTypePtr -xmlSchemaParseComplexContent(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - xmlNodePtr node) -{ - xmlSchemaTypePtr type, subtype; - xmlNodePtr child = NULL; - xmlChar name[30]; - - if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) - return (NULL); - - - snprintf((char *)name, 30, "complexContent %d", ctxt->counter++ + 1); - type = xmlSchemaAddType(ctxt, schema, name); - if (type == NULL) - return (NULL); - type->node = node; - type->type = XML_SCHEMA_TYPE_COMPLEX_CONTENT; - type->id = xmlGetProp(node, BAD_CAST "id"); - - child = node->children; - if (IS_SCHEMA(child, "annotation")) { - type->annot = xmlSchemaParseAnnotation(ctxt, schema, child); - child = child->next; - } - subtype = NULL; - if (IS_SCHEMA(child, "restriction")) { - subtype = (xmlSchemaTypePtr) - xmlSchemaParseRestriction(ctxt, schema, child, 0); - child = child->next; - } else if (IS_SCHEMA(child, "extension")) { - subtype = (xmlSchemaTypePtr) - xmlSchemaParseExtension(ctxt, schema, child); - child = child->next; - } - type->subtypes = subtype; - if (child != NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "ComplexContent %s has unexpected content\n", - type->name); - } - return (type); -} - -/** - * xmlSchemaParseComplexType: - * @ctxt: a schema validation context - * @schema: the schema being built - * @node: a subtree containing XML Schema informations - * - * parse a XML schema Complex Type definition - * *WARNING* this interface is highly subject to change - * - * Returns the type definition or NULL in case of error - */ -static xmlSchemaTypePtr -xmlSchemaParseComplexType(xmlSchemaParserCtxtPtr ctxt, xmlSchemaPtr schema, - xmlNodePtr node) -{ - xmlSchemaTypePtr type, subtype; - xmlNodePtr child = NULL; - xmlChar *name; - xmlChar *oldcontainer; - - if ((ctxt == NULL) || (schema == NULL) || (node == NULL)) - return (NULL); - - oldcontainer = ctxt->container; - name = xmlGetProp(node, (const xmlChar *) "name"); - if (name == NULL) { - char buf[100]; - - snprintf(buf, 99, "anontype%d", ctxt->counter++ + 1); - name = xmlStrdup((xmlChar *) buf); - } - if (name == NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, "complexType has no name\n"); - return (NULL); - } - type = xmlSchemaAddType(ctxt, schema, name); - if (type == NULL) { - xmlFree(name); - return (NULL); - } - type->node = node; - type->type = XML_SCHEMA_TYPE_COMPLEX; - type->id = xmlGetProp(node, BAD_CAST "id"); - ctxt->container = name; - - child = node->children; - if (IS_SCHEMA(child, "annotation")) { - type->annot = xmlSchemaParseAnnotation(ctxt, schema, child); - child = child->next; - } - if (IS_SCHEMA(child, "simpleContent")) { - type->subtypes = xmlSchemaParseSimpleContent(ctxt, schema, child); - child = child->next; - } else if (IS_SCHEMA(child, "complexContent")) { - type->subtypes = xmlSchemaParseComplexContent(ctxt, schema, child); - child = child->next; - } else { - subtype = NULL; - - if (IS_SCHEMA(child, "all")) { - subtype = xmlSchemaParseAll(ctxt, schema, child); - child = child->next; - } else if (IS_SCHEMA(child, "choice")) { - subtype = xmlSchemaParseChoice(ctxt, schema, child); - child = child->next; - } else if (IS_SCHEMA(child, "sequence")) { - subtype = xmlSchemaParseSequence(ctxt, schema, child); - child = child->next; - } else if (IS_SCHEMA(child, "group")) { - subtype = xmlSchemaParseGroup(ctxt, schema, child); - child = child->next; - } - if (subtype != NULL) - type->subtypes = subtype; - child = xmlSchemaParseAttrDecls(ctxt, schema, child, type); - } - if (child != NULL) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "ComplexType %s has unexpected content\n", - type->name); - } - ctxt->container = oldcontainer; - xmlFree(name); - return (type); -} - - -/** - * xmlSchemaParseSchema: - * @ctxt: a schema validation context - * @node: a subtree containing XML Schema informations - * - * parse a XML schema definition from a node set - * *WARNING* this interface is highly subject to change - * - * Returns the internal XML Schema structure built from the resource or - * NULL in case of error - */ -static xmlSchemaPtr -xmlSchemaParseSchema(xmlSchemaParserCtxtPtr ctxt, xmlNodePtr node) -{ - xmlSchemaPtr schema = NULL; - xmlSchemaAnnotPtr annot; - xmlNodePtr child = NULL; - xmlChar *val; - - if ((ctxt == NULL) || (node == NULL)) - return (NULL); - - if (IS_SCHEMA(node, "schema")) { - schema = xmlSchemaNewSchema(ctxt); - if (schema == NULL) - return(NULL); - schema->targetNamespace = xmlGetProp(node, BAD_CAST "targetNamespace"); - schema->id = xmlGetProp(node, BAD_CAST "id"); - schema->version = xmlGetProp(node, BAD_CAST "version"); - val = xmlGetProp(node, BAD_CAST "elementFormDefault"); - if (val != NULL) { - if (xmlStrEqual(val, BAD_CAST "qualified")) - schema->flags |= XML_SCHEMAS_QUALIF_ELEM; - else if (!xmlStrEqual(val, BAD_CAST "unqualified")) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) { - ctxt->error(ctxt->userData, - "Invalid value %s for elementFormDefault\n", - val); - } - } - xmlFree(val); - } - val = xmlGetProp(node, BAD_CAST "attributeFormDefault"); - if (val != NULL) { - if (xmlStrEqual(val, BAD_CAST "qualified")) - schema->flags |= XML_SCHEMAS_QUALIF_ATTR; - else if (!xmlStrEqual(val, BAD_CAST "unqualified")) { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) { - ctxt->error(ctxt->userData, - "Invalid value %s for elementFormDefault\n", - val); - } - } - xmlFree(val); - } - - child = node->children; - while ((IS_SCHEMA(child, "include")) || - (IS_SCHEMA(child, "import")) || - (IS_SCHEMA(child, "redefine")) || - (IS_SCHEMA(child, "annotation"))) { - if (IS_SCHEMA(child, "annotation")) { - annot = xmlSchemaParseAnnotation(ctxt, schema, child); - if (schema->annot == NULL) - schema->annot = annot; - else - xmlSchemaFreeAnnot(annot); - } else if (IS_SCHEMA(child, "include")) { - TODO - } else if (IS_SCHEMA(child, "import")) { - xmlSchemaParseImport(ctxt, schema, child); - } else if (IS_SCHEMA(child, "redefine")) { - TODO - } - child = child->next; - } - while (child != NULL) { - if (IS_SCHEMA(child, "complexType")) { - xmlSchemaParseComplexType(ctxt, schema, child); - child = child->next; - } else if (IS_SCHEMA(child, "simpleType")) { - xmlSchemaParseSimpleType(ctxt, schema, child); - child = child->next; - } else if (IS_SCHEMA(child, "element")) { - xmlSchemaParseElement(ctxt, schema, child, 1); - child = child->next; - } else if (IS_SCHEMA(child, "attribute")) { - xmlSchemaParseAttribute(ctxt, schema, child); - child = child->next; - } else if (IS_SCHEMA(child, "attributeGroup")) { - xmlSchemaParseAttributeGroup(ctxt, schema, child); - child = child->next; - } else if (IS_SCHEMA(child, "group")) { - xmlSchemaParseGroup(ctxt, schema, child); - child = child->next; - } else if (IS_SCHEMA(child, "notation")) { - xmlSchemaParseNotation(ctxt, schema, child); - child = child->next; - } else { - xmlSchemaErrorContext(ctxt, schema, node, child); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Schemas: unexpected element %s here \n", - child->name); - child = child->next; - } - while (IS_SCHEMA(child, "annotation")) { - annot = xmlSchemaParseAnnotation(ctxt, schema, child); - if (schema->annot == NULL) - schema->annot = annot; - else - xmlSchemaFreeAnnot(annot); - child = child->next; - } - } - } -#ifdef DEBUG - if (schema == NULL) - xmlGenericError(xmlGenericErrorContext, - "xmlSchemaParse() failed\n"); -#endif - - return (schema); -} - -/************************************************************************ - * * - * Validating using Schemas * - * * - ************************************************************************/ - -/************************************************************************ - * * - * Reading/Writing Schemas * - * * - ************************************************************************/ - -/** - * xmlSchemaNewParserCtxt: - * @URL: the location of the schema - * - * Create an XML Schemas parse context for that file/resource expected - * to contain an XML Schemas file. - * - * Returns the parser context or NULL in case of error - */ -xmlSchemaParserCtxtPtr -xmlSchemaNewParserCtxt(const char *URL) { - xmlSchemaParserCtxtPtr ret; - - if (URL == NULL) - return(NULL); - - ret = (xmlSchemaParserCtxtPtr) xmlMalloc(sizeof(xmlSchemaParserCtxt)); - if (ret == NULL) { - xmlGenericError(xmlGenericErrorContext, - "Failed to allocate new schama parser context for %s\n", URL); - return (NULL); - } - memset(ret, 0, sizeof(xmlSchemaParserCtxt)); - ret->URL = xmlStrdup((const xmlChar *)URL); - return (ret); -} - -/** - * xmlSchemaNewMemParserCtxt: - * @buffer: a pointer to a char array containing the schemas - * @size: the size of the array - * - * Create an XML Schemas parse context for that memory buffer expected - * to contain an XML Schemas file. - * - * Returns the parser context or NULL in case of error - */ -xmlSchemaParserCtxtPtr -xmlSchemaNewMemParserCtxt(const char *buffer, int size) { - xmlSchemaParserCtxtPtr ret; - - if ((buffer == NULL) || (size <= 0)) - return(NULL); - - ret = (xmlSchemaParserCtxtPtr) xmlMalloc(sizeof(xmlSchemaParserCtxt)); - if (ret == NULL) { - xmlGenericError(xmlGenericErrorContext, - "Failed to allocate new schama parser context\n"); - return (NULL); - } - memset(ret, 0, sizeof(xmlSchemaParserCtxt)); - ret->buffer = buffer; - ret->size = size; - return (ret); -} - -/** - * xmlSchemaFreeParserCtxt: - * @ctxt: the schema parser context - * - * Free the resources associated to the schema parser context - */ -void -xmlSchemaFreeParserCtxt(xmlSchemaParserCtxtPtr ctxt) { - if (ctxt == NULL) - return; - if (ctxt->URL != NULL) - xmlFree(ctxt->URL); - if (ctxt->doc != NULL) - xmlFreeDoc(ctxt->doc); - xmlFree(ctxt); -} - -/************************************************************************ - * * - * Building the content models * - * * - ************************************************************************/ -/** - * xmlSchemaBuildAContentModel: - * @type: the schema type definition - * @ctxt: the schema parser context - * @name: the element name whose content is being built - * - * Generate the automata sequence needed for that type - */ -static void -xmlSchemaBuildAContentModel(xmlSchemaTypePtr type, - xmlSchemaParserCtxtPtr ctxt, - const xmlChar *name) { - if (type == NULL) { - xmlGenericError(xmlGenericErrorContext, - "Found unexpected type = NULL in %s content model\n", - name); - return; - } - switch (type->type) { - case XML_SCHEMA_TYPE_ANY: - /* TODO : handle the namespace too */ - /* TODO : make that a specific transition type */ - TODO - ctxt->state = xmlAutomataNewTransition(ctxt->am, ctxt->state, - NULL, BAD_CAST "*", NULL); - break; - case XML_SCHEMA_TYPE_ELEMENT: { - xmlSchemaElementPtr elem = (xmlSchemaElementPtr) type; - /* TODO : handle the namespace too */ - xmlAutomataStatePtr oldstate = ctxt->state; - if (elem->maxOccurs >= UNBOUNDED) { - if (elem->minOccurs > 1) { - xmlAutomataStatePtr tmp; - int counter; - - ctxt->state = xmlAutomataNewEpsilon(ctxt->am, - oldstate, NULL); - oldstate = ctxt->state; - - counter = xmlAutomataNewCounter(ctxt->am, - elem->minOccurs - 1, UNBOUNDED); - - if (elem->refDecl != NULL) { - xmlSchemaBuildAContentModel( - (xmlSchemaTypePtr) elem->refDecl, - ctxt, elem->refDecl->name); - } else { - ctxt->state = xmlAutomataNewTransition(ctxt->am, - ctxt->state, NULL, elem->name, type); - } - tmp = ctxt->state; - xmlAutomataNewCountedTrans(ctxt->am, tmp, oldstate, - counter); - ctxt->state = xmlAutomataNewCounterTrans(ctxt->am, tmp, - NULL, counter); - - } else { - if (elem->refDecl != NULL) { - xmlSchemaBuildAContentModel( - (xmlSchemaTypePtr) elem->refDecl, - ctxt, elem->refDecl->name); - } else { - ctxt->state = xmlAutomataNewTransition(ctxt->am, - ctxt->state, NULL, elem->name, type); - } - xmlAutomataNewEpsilon(ctxt->am, ctxt->state, oldstate); - if (elem->minOccurs == 0) { - /* basically an elem* */ - xmlAutomataNewEpsilon(ctxt->am, oldstate, ctxt->state); - } - } - } else if ((elem->maxOccurs > 1) || (elem->minOccurs > 1)) { - xmlAutomataStatePtr tmp; - int counter; - - ctxt->state = xmlAutomataNewEpsilon(ctxt->am, - oldstate, NULL); - oldstate = ctxt->state; - - counter = xmlAutomataNewCounter(ctxt->am, - elem->minOccurs - 1, elem->maxOccurs - 1); - - if (elem->refDecl != NULL) { - xmlSchemaBuildAContentModel( - (xmlSchemaTypePtr) elem->refDecl, - ctxt, elem->refDecl->name); - } else { - ctxt->state = xmlAutomataNewTransition(ctxt->am, - ctxt->state, NULL, elem->name, type); - } - tmp = ctxt->state; - xmlAutomataNewCountedTrans(ctxt->am, tmp, oldstate, - counter); - ctxt->state = xmlAutomataNewCounterTrans(ctxt->am, tmp, - NULL, counter); - if (elem->minOccurs == 0) { - /* basically an elem? */ - xmlAutomataNewEpsilon(ctxt->am, oldstate, ctxt->state); - } - - } else { - if (elem->refDecl != NULL) { - xmlSchemaBuildAContentModel( - (xmlSchemaTypePtr) elem->refDecl, - ctxt, elem->refDecl->name); - } else { - ctxt->state = xmlAutomataNewTransition(ctxt->am, - ctxt->state, NULL, elem->name, type); - } - if (elem->minOccurs == 0) { - /* basically an elem? */ - xmlAutomataNewEpsilon(ctxt->am, oldstate, ctxt->state); - } - } - break; - } - case XML_SCHEMA_TYPE_SEQUENCE: { - xmlSchemaTypePtr subtypes; - - /* - * If max and min occurances are default (1) then - * simply iterate over the subtypes - */ - if ((type->minOccurs == 1 ) && (type->maxOccurs == 1)) { - subtypes = type->subtypes; - while (subtypes != NULL) { - xmlSchemaBuildAContentModel(subtypes, ctxt, name); - subtypes = subtypes->next; - } - } else { - xmlAutomataStatePtr oldstate = ctxt->state; - if (type->maxOccurs >= UNBOUNDED) { - if (type->minOccurs > 1) { - xmlAutomataStatePtr tmp; - int counter; - - ctxt->state = xmlAutomataNewEpsilon(ctxt->am, - oldstate, NULL); - oldstate = ctxt->state; - - counter = xmlAutomataNewCounter(ctxt->am, - type->minOccurs - 1, UNBOUNDED); - - subtypes = type->subtypes; - while (subtypes != NULL) { - xmlSchemaBuildAContentModel(subtypes, ctxt, name); - subtypes = subtypes->next; - } - tmp = ctxt->state; - xmlAutomataNewCountedTrans(ctxt->am, tmp, oldstate, - counter); - ctxt->state = xmlAutomataNewCounterTrans(ctxt->am, tmp, - NULL, counter); - - } else { - subtypes = type->subtypes; - while (subtypes != NULL) { - xmlSchemaBuildAContentModel(subtypes, ctxt, name); - subtypes = subtypes->next; - } - xmlAutomataNewEpsilon(ctxt->am, ctxt->state, oldstate); - if (type->minOccurs == 0) { - xmlAutomataNewEpsilon(ctxt->am, oldstate, - ctxt->state); - } - } - } else if ((type->maxOccurs > 1) || (type->minOccurs > 1)) { - xmlAutomataStatePtr tmp; - int counter; - - ctxt->state = xmlAutomataNewEpsilon(ctxt->am, - oldstate, NULL); - oldstate = ctxt->state; - - counter = xmlAutomataNewCounter(ctxt->am, - type->minOccurs - 1, type->maxOccurs - 1); - - subtypes = type->subtypes; - while (subtypes != NULL) { - xmlSchemaBuildAContentModel(subtypes, ctxt, name); - subtypes = subtypes->next; - } - tmp = ctxt->state; - xmlAutomataNewCountedTrans(ctxt->am, tmp, oldstate, - counter); - ctxt->state = xmlAutomataNewCounterTrans(ctxt->am, tmp, - NULL, counter); - if (type->minOccurs == 0) { - xmlAutomataNewEpsilon(ctxt->am, oldstate, ctxt->state); - } - - } else { - subtypes = type->subtypes; - while (subtypes != NULL) { - xmlSchemaBuildAContentModel(subtypes, ctxt, name); - subtypes = subtypes->next; - } - if (type->minOccurs == 0) { - xmlAutomataNewEpsilon(ctxt->am, oldstate, ctxt->state); - } - } - } - break; - } - case XML_SCHEMA_TYPE_CHOICE: { - xmlSchemaTypePtr subtypes; - xmlAutomataStatePtr start, end; - - start = ctxt->state; - end = xmlAutomataNewState(ctxt->am); - - /* - * iterate over the subtypes and remerge the end with an - * epsilon transition - */ - if (type->maxOccurs == 1) { - subtypes = type->subtypes; - while (subtypes != NULL) { - ctxt->state = start; - xmlSchemaBuildAContentModel(subtypes, ctxt, name); - xmlAutomataNewEpsilon(ctxt->am, ctxt->state, end); - subtypes = subtypes->next; - } - } else { - int counter; - xmlAutomataStatePtr hop; - int maxOccurs = type->maxOccurs == UNBOUNDED ? - UNBOUNDED : type->maxOccurs - 1; - int minOccurs = type->minOccurs < 1 ? 0 : type->minOccurs - 1; - - /* - * use a counter to keep track of the number of transtions - * which went through the choice. - */ - counter = xmlAutomataNewCounter(ctxt->am, minOccurs, maxOccurs); - hop = xmlAutomataNewState(ctxt->am); - - subtypes = type->subtypes; - while (subtypes != NULL) { - ctxt->state = start; - xmlSchemaBuildAContentModel(subtypes, ctxt, name); - xmlAutomataNewEpsilon(ctxt->am, ctxt->state, hop); - subtypes = subtypes->next; - } - xmlAutomataNewCountedTrans(ctxt->am, hop, start, counter); - xmlAutomataNewCounterTrans(ctxt->am, hop, end, counter); - } - if (type->minOccurs == 0) { - xmlAutomataNewEpsilon(ctxt->am, start, end); - } - ctxt->state = end; - break; - } - case XML_SCHEMA_TYPE_ALL: { - xmlAutomataStatePtr start; - xmlSchemaTypePtr subtypes; - xmlSchemaElementPtr elem = (xmlSchemaElementPtr) type; - int lax; - - subtypes = type->subtypes; - if (subtypes == NULL) - break; - start = ctxt->state; - while (subtypes != NULL) { - ctxt->state = start; - elem = (xmlSchemaElementPtr) subtypes; - - /* TODO : handle the namespace too */ - xmlAutomataNewOnceTrans(ctxt->am, ctxt->state, ctxt->state, - elem->name, elem->minOccurs, elem->maxOccurs, - subtypes); - subtypes = subtypes->next; - } - lax = type->minOccurs == 0; - ctxt->state = xmlAutomataNewAllTrans(ctxt->am, ctxt->state, NULL, - lax); - break; - } - case XML_SCHEMA_TYPE_RESTRICTION: - if (type->subtypes != NULL) - xmlSchemaBuildAContentModel(type->subtypes, ctxt, name); - break; - case XML_SCHEMA_TYPE_EXTENSION: - if (type->baseType != NULL) { - xmlSchemaTypePtr subtypes; - - xmlSchemaBuildAContentModel(type->baseType, ctxt, name); - subtypes = type->subtypes; - while (subtypes != NULL) { - xmlSchemaBuildAContentModel(subtypes, ctxt, name); - subtypes = subtypes->next; - } - } else if (type->subtypes != NULL) - xmlSchemaBuildAContentModel(type->subtypes, ctxt, name); - break; - case XML_SCHEMA_TYPE_GROUP: - case XML_SCHEMA_TYPE_COMPLEX: - case XML_SCHEMA_TYPE_COMPLEX_CONTENT: - if (type->subtypes != NULL) - xmlSchemaBuildAContentModel(type->subtypes, ctxt, name); - break; - default: - xmlGenericError(xmlGenericErrorContext, - "Found unexpected type %d in %s content model\n", - type->type, name); - return; - } -} -/** - * xmlSchemaBuildContentModel: - * @typeDecl: the schema type definition - * @ctxt: the schema parser context - * - * Fixes the content model of the element. - */ -static void -xmlSchemaBuildContentModel(xmlSchemaElementPtr elem, - xmlSchemaParserCtxtPtr ctxt, - const xmlChar *name) { - xmlAutomataStatePtr start; - - if (elem->contModel != NULL) - return; - if (elem->subtypes == NULL) { - elem->contentType = XML_SCHEMA_CONTENT_ANY; - return; - } - if (elem->subtypes->type != XML_SCHEMA_TYPE_COMPLEX) - return; - if (elem->subtypes->contentType == XML_SCHEMA_CONTENT_BASIC) - return; - -#ifdef DEBUG_CONTENT - xmlGenericError(xmlGenericErrorContext, - "Building content model for %s\n", name); -#endif - - ctxt->am = xmlNewAutomata(); - if (ctxt->am == NULL) { - xmlGenericError(xmlGenericErrorContext, - "Cannot create automata for elem %s\n", name); - return; - } - start = ctxt->state = xmlAutomataGetInitState(ctxt->am); - xmlSchemaBuildAContentModel(elem->subtypes, ctxt, name); - xmlAutomataSetFinalState(ctxt->am, ctxt->state); - elem->contModel = xmlAutomataCompile(ctxt->am); - if (!xmlAutomataIsDeterminist(ctxt->am)) { - xmlGenericError(xmlGenericErrorContext, - "Content model of %s is not determinist:\n", name); - ctxt->err = XML_SCHEMAS_ERR_NOTDETERMINIST; - ctxt->state = NULL; - } else { -#ifdef DEBUG_CONTENT_REGEXP - xmlGenericError(xmlGenericErrorContext, - "Content model of %s:\n", name); - xmlRegexpPrint(stderr, elem->contModel); -#endif - ctxt->state = NULL; - } - xmlFreeAutomata(ctxt->am); - ctxt->am = NULL; -} - -/** - * xmlSchemaRefFixupCallback: - * @elem: the schema element context - * @ctxt: the schema parser context - * - * Free the resources associated to the schema parser context - */ -static void -xmlSchemaRefFixupCallback(xmlSchemaElementPtr elem, - xmlSchemaParserCtxtPtr ctxt, - const xmlChar *name, - const xmlChar *context ATTRIBUTE_UNUSED, - const xmlChar *namespace ATTRIBUTE_UNUSED) -{ - if ((ctxt == NULL) || (elem == NULL)) - return; - if (elem->ref != NULL) { - xmlSchemaElementPtr elemDecl; - - if (elem->subtypes != NULL) { - xmlSchemaErrorContext(ctxt, NULL, elem->node, NULL); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Schemas: element %s have both ref and subtype\n", - name); - return; - } - elemDecl = xmlHashLookup2(ctxt->schema->elemDecl, - elem->ref, elem->refNs); - - if (elemDecl == NULL) { - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Schemas: element %s ref to %s not found\n", - name, elem->ref); - return; - } - elem->refDecl = elemDecl; - } else if (elem->namedType != NULL) { - xmlSchemaTypePtr typeDecl; - - if (elem->subtypes != NULL) { - xmlSchemaErrorContext(ctxt, NULL, elem->node, NULL); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Schemas: element %s have both type and subtype\n", - name); - return; - } - typeDecl = xmlSchemaGetType(ctxt->schema, elem->namedType, - elem->namedTypeNs); - - if (typeDecl == NULL) { - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Schemas: element %s type %s not found\n", - name, elem->namedType); - return; - } - elem->subtypes = typeDecl; - } -} - -/** - * xmlSchemaTypeFixup: - * @typeDecl: the schema type definition - * @ctxt: the schema parser context - * - * Fixes the content model of the type. - */ -static void -xmlSchemaTypeFixup(xmlSchemaTypePtr typeDecl, - xmlSchemaParserCtxtPtr ctxt, - const xmlChar *name) -{ - if (name == NULL) - name = typeDecl->name; - if (typeDecl->contentType == XML_SCHEMA_CONTENT_UNKNOWN) { - switch (typeDecl->type) { - case XML_SCHEMA_TYPE_SIMPLE_CONTENT: { - xmlSchemaTypeFixup(typeDecl->subtypes, ctxt, NULL); - typeDecl->contentType = typeDecl->subtypes->contentType; - break; - } - case XML_SCHEMA_TYPE_RESTRICTION: { - if (typeDecl->subtypes != NULL) - xmlSchemaTypeFixup(typeDecl->subtypes, ctxt, NULL); - - if (typeDecl->base != NULL) { - xmlSchemaTypePtr baseType; - - baseType = xmlSchemaGetType(ctxt->schema, typeDecl->base, - typeDecl->baseNs); - if (baseType == NULL) { - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Schemas: type %s base type %s not found\n", - name, typeDecl->base); - } - typeDecl->baseType = baseType; - } - if (typeDecl->subtypes == NULL) - /* 1.1.1 */ - typeDecl->contentType = XML_SCHEMA_CONTENT_EMPTY; - else if ((typeDecl->subtypes->subtypes == NULL) && - ((typeDecl->subtypes->type == XML_SCHEMA_TYPE_ALL) || - (typeDecl->subtypes->type == XML_SCHEMA_TYPE_SEQUENCE))) - /* 1.1.2 */ - typeDecl->contentType = XML_SCHEMA_CONTENT_EMPTY; - else if ((typeDecl->subtypes->type == XML_SCHEMA_TYPE_CHOICE) && - (typeDecl->subtypes->subtypes == NULL)) - /* 1.1.3 */ - typeDecl->contentType = XML_SCHEMA_CONTENT_EMPTY; - else { - /* 1.2 and 2.X are applied at the other layer */ - typeDecl->contentType = XML_SCHEMA_CONTENT_ELEMENTS; - } - break; - } - case XML_SCHEMA_TYPE_EXTENSION: { - xmlSchemaContentType explicitContentType; - xmlSchemaTypePtr base; - - if (typeDecl->base != NULL) { - xmlSchemaTypePtr baseType; - - baseType = xmlSchemaGetType(ctxt->schema, typeDecl->base, - typeDecl->baseNs); - if (baseType == NULL) { - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Schemas: type %s base type %s not found\n", - name, typeDecl->base); - } - typeDecl->baseType = baseType; - } - if (typeDecl->subtypes != NULL) - xmlSchemaTypeFixup(typeDecl->subtypes, ctxt, NULL); - - explicitContentType = XML_SCHEMA_CONTENT_ELEMENTS; - if (typeDecl->subtypes == NULL) - /* 1.1.1 */ - explicitContentType = XML_SCHEMA_CONTENT_EMPTY; - else if ((typeDecl->subtypes->subtypes == NULL) && - ((typeDecl->subtypes->type == XML_SCHEMA_TYPE_ALL) || - (typeDecl->subtypes->type == XML_SCHEMA_TYPE_SEQUENCE))) - /* 1.1.2 */ - explicitContentType = XML_SCHEMA_CONTENT_EMPTY; - else if ((typeDecl->subtypes->type == XML_SCHEMA_TYPE_CHOICE) && - (typeDecl->subtypes->subtypes == NULL)) - /* 1.1.3 */ - explicitContentType = XML_SCHEMA_CONTENT_EMPTY; - - base = xmlSchemaGetType(ctxt->schema, typeDecl->base, - typeDecl->baseNs); - if (base == NULL) { - xmlSchemaErrorContext(ctxt, NULL, typeDecl->node, NULL); - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Schemas: base type %s of type %s not found\n", - typeDecl->base, name); - return; - } - xmlSchemaTypeFixup(base, ctxt, NULL); - if (explicitContentType == XML_SCHEMA_CONTENT_EMPTY) { - /* 2.1 */ - typeDecl->contentType = base->contentType; - } else if (base->contentType == XML_SCHEMA_CONTENT_EMPTY) { - /* 2.2 imbitable ! */ - typeDecl->contentType = XML_SCHEMA_CONTENT_ELEMENTS; - } else { - /* 2.3 imbitable pareil ! */ - typeDecl->contentType = XML_SCHEMA_CONTENT_ELEMENTS; - } - break; - } - case XML_SCHEMA_TYPE_COMPLEX: { - if (typeDecl->subtypes == NULL) { - typeDecl->contentType = XML_SCHEMA_CONTENT_EMPTY; - } else { - if (typeDecl->flags & XML_SCHEMAS_TYPE_MIXED) - typeDecl->contentType = XML_SCHEMA_CONTENT_MIXED; - else { - xmlSchemaTypeFixup(typeDecl->subtypes, ctxt, NULL); - typeDecl->contentType = typeDecl->subtypes->contentType; - } - } - break; - } - case XML_SCHEMA_TYPE_COMPLEX_CONTENT: { - if (typeDecl->subtypes == NULL) { - typeDecl->contentType = XML_SCHEMA_CONTENT_EMPTY; - } else { - if (typeDecl->flags & XML_SCHEMAS_TYPE_MIXED) - typeDecl->contentType = XML_SCHEMA_CONTENT_MIXED; - else { - xmlSchemaTypeFixup(typeDecl->subtypes, ctxt, NULL); - typeDecl->contentType = typeDecl->subtypes->contentType; - } - } - break; - } - case XML_SCHEMA_TYPE_SEQUENCE: - case XML_SCHEMA_TYPE_GROUP: - case XML_SCHEMA_TYPE_ALL: - case XML_SCHEMA_TYPE_CHOICE: - typeDecl->contentType = XML_SCHEMA_CONTENT_ELEMENTS; - break; - case XML_SCHEMA_TYPE_BASIC: - case XML_SCHEMA_TYPE_ANY: - case XML_SCHEMA_TYPE_FACET: - case XML_SCHEMA_TYPE_SIMPLE: - case XML_SCHEMA_TYPE_UR: - case XML_SCHEMA_TYPE_ELEMENT: - case XML_SCHEMA_TYPE_ATTRIBUTE: - case XML_SCHEMA_TYPE_ATTRIBUTEGROUP: - case XML_SCHEMA_TYPE_NOTATION: - case XML_SCHEMA_TYPE_LIST: - case XML_SCHEMA_TYPE_UNION: - case XML_SCHEMA_FACET_MININCLUSIVE: - case XML_SCHEMA_FACET_MINEXCLUSIVE: - case XML_SCHEMA_FACET_MAXINCLUSIVE: - case XML_SCHEMA_FACET_MAXEXCLUSIVE: - case XML_SCHEMA_FACET_TOTALDIGITS: - case XML_SCHEMA_FACET_FRACTIONDIGITS: - case XML_SCHEMA_FACET_PATTERN: - case XML_SCHEMA_FACET_ENUMERATION: - case XML_SCHEMA_FACET_WHITESPACE: - case XML_SCHEMA_FACET_LENGTH: - case XML_SCHEMA_FACET_MAXLENGTH: - case XML_SCHEMA_FACET_MINLENGTH: - typeDecl->contentType = XML_SCHEMA_CONTENT_SIMPLE; - break; - } - } -#ifdef DEBUG_TYPE - if (typeDecl->node != NULL) { - xmlGenericError(xmlGenericErrorContext, - "Type of %s : %s:%d :", name, typeDecl->node->doc->URL, - xmlGetLineNo(typeDecl->node)); - } else { - xmlGenericError(xmlGenericErrorContext, - "Type of %s :", name); - } - switch (typeDecl->contentType) { - case XML_SCHEMA_CONTENT_SIMPLE: - xmlGenericError(xmlGenericErrorContext, - "simple\n"); break; - case XML_SCHEMA_CONTENT_ELEMENTS: - xmlGenericError(xmlGenericErrorContext, - "elements\n"); break; - case XML_SCHEMA_CONTENT_UNKNOWN: - xmlGenericError(xmlGenericErrorContext, - "unknown !!!\n"); break; - case XML_SCHEMA_CONTENT_EMPTY: - xmlGenericError(xmlGenericErrorContext, - "empty\n"); break; - case XML_SCHEMA_CONTENT_MIXED: - xmlGenericError(xmlGenericErrorContext, - "mixed\n"); break; - case XML_SCHEMA_CONTENT_MIXED_OR_ELEMENTS: - xmlGenericError(xmlGenericErrorContext, - "mixed or elems\n"); break; - case XML_SCHEMA_CONTENT_BASIC: - xmlGenericError(xmlGenericErrorContext, - "basic\n"); break; - default: - xmlGenericError(xmlGenericErrorContext, - "not registered !!!\n"); break; - } -#endif -} - -/** - * xmlSchemaCheckDefaults: - * @typeDecl: the schema type definition - * @ctxt: the schema parser context - * - * Checks the default values types, especially for facets - */ -static void -xmlSchemaCheckDefaults(xmlSchemaTypePtr typeDecl, - xmlSchemaParserCtxtPtr ctxt, - const xmlChar *name) -{ - static xmlSchemaTypePtr nonNegativeIntegerType = NULL; - if (name == NULL) - name = typeDecl->name; - if (nonNegativeIntegerType == NULL) { - nonNegativeIntegerType = xmlSchemaGetPredefinedType( - BAD_CAST "nonNegativeInteger", xmlSchemaNs); - } - if (typeDecl->type == XML_SCHEMA_TYPE_RESTRICTION) { - if (typeDecl->facets != NULL) { - xmlSchemaFacetPtr facet = typeDecl->facets; - while (facet != NULL) { - switch (facet->type) { - case XML_SCHEMA_FACET_MININCLUSIVE: - case XML_SCHEMA_FACET_MINEXCLUSIVE: - case XML_SCHEMA_FACET_MAXINCLUSIVE: - case XML_SCHEMA_FACET_MAXEXCLUSIVE: { - /* - * Okay we need to validate the value - * at that point. - */ - xmlSchemaValidCtxtPtr vctxt; - - vctxt = xmlSchemaNewValidCtxt(NULL); - if (vctxt == NULL) - break; - xmlSchemaValidateSimpleValue(vctxt, typeDecl, - facet->value); - facet->val = vctxt->value; - vctxt->value = NULL; - if (facet->val == NULL) { - /* error code */ - xmlSchemaErrorContext(ctxt, NULL, - facet->node, NULL); - ctxt->error(ctxt->userData, - "Schemas: type %s facet value %s invalid\n", - name, facet->value); - } - xmlSchemaFreeValidCtxt(vctxt); - break; - } - case XML_SCHEMA_FACET_ENUMERATION: { - /* - * Okay we need to validate the value - * at that point. - */ - xmlSchemaValidCtxtPtr vctxt; - int ret; - - vctxt = xmlSchemaNewValidCtxt(NULL); - if (vctxt == NULL) - break; - ret = xmlSchemaValidateSimpleValue(vctxt, typeDecl, - facet->value); - if (ret != 0) { - xmlSchemaErrorContext(ctxt, NULL, - facet->node, NULL); - ctxt->error(ctxt->userData, - "Schemas: type %s enumeration value %s invalid\n", - name, facet->value); - } - xmlSchemaFreeValidCtxt(vctxt); - break; - } - case XML_SCHEMA_FACET_PATTERN: - facet->regexp = xmlRegexpCompile(facet->value); - if (facet->regexp == NULL) { - /* error code */ - ctxt->error(ctxt->userData, - "Schemas: type %s facet regexp %s invalid\n", - name, facet->value); - } - break; - case XML_SCHEMA_FACET_TOTALDIGITS: - case XML_SCHEMA_FACET_FRACTIONDIGITS: - case XML_SCHEMA_FACET_LENGTH: - case XML_SCHEMA_FACET_MAXLENGTH: - case XML_SCHEMA_FACET_MINLENGTH: { - int ret; - - ret = xmlSchemaValidatePredefinedType( - nonNegativeIntegerType, facet->value, - &facet->val); - if (ret != 0) { - /* error code */ - xmlSchemaErrorContext(ctxt, NULL, - facet->node, NULL); - ctxt->error(ctxt->userData, - "Schemas: type %s facet value %s invalid\n", - name, facet->value); - } - break; - } - case XML_SCHEMA_FACET_WHITESPACE: { - if (xmlStrEqual(facet->value, BAD_CAST"preserve")) { - facet->whitespace = XML_SCHEMAS_FACET_PRESERVE; - } else if (xmlStrEqual(facet->value, - BAD_CAST"replace")) { - facet->whitespace = XML_SCHEMAS_FACET_REPLACE; - } else if (xmlStrEqual(facet->value, - BAD_CAST"collapse")) { - facet->whitespace = XML_SCHEMAS_FACET_COLLAPSE; - } else { - xmlSchemaErrorContext(ctxt, NULL, - facet->node, NULL); - ctxt->error(ctxt->userData, - "Schemas: type %s whiteSpace value %s invalid\n", - name, facet->value); - } - } - default: - break; - } - facet = facet->next; - } - } - } -} - -/** - * xmlSchemaAttrGrpFixup: - * @attrgrpDecl: the schema attribute definition - * @ctxt: the schema parser context - * @name: the attribute name - * - * Fixes finish doing the computations on the attributes definitions - */ -static void -xmlSchemaAttrGrpFixup(xmlSchemaAttributeGroupPtr attrgrpDecl, - xmlSchemaParserCtxtPtr ctxt, - const xmlChar *name) -{ - if (name == NULL) - name = attrgrpDecl->name; - if (attrgrpDecl->attributes != NULL) - return; - if (attrgrpDecl->ref != NULL) { - xmlSchemaAttributeGroupPtr ref; - - ref = xmlHashLookup2(ctxt->schema->attrgrpDecl, attrgrpDecl->ref, - attrgrpDecl->refNs); - if (ref == NULL) { - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Schemas: attribute group %s reference %s not found\n", - name, attrgrpDecl->ref); - return; - } - xmlSchemaAttrGrpFixup(ref, ctxt, NULL); - attrgrpDecl->attributes = ref->attributes; - } else { - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Schemas: attribute %s has no attributes nor reference\n", - name); - } -} - -/** - * xmlSchemaAttrFixup: - * @attrDecl: the schema attribute definition - * @ctxt: the schema parser context - * @name: the attribute name - * - * Fixes finish doing the computations on the attributes definitions - */ -static void -xmlSchemaAttrFixup(xmlSchemaAttributePtr attrDecl, - xmlSchemaParserCtxtPtr ctxt, - const xmlChar *name) -{ - if (name == NULL) - name = attrDecl->name; - if (attrDecl->subtypes != NULL) - return; - if (attrDecl->typeName != NULL) { - xmlSchemaTypePtr type; - - type = xmlSchemaGetType(ctxt->schema, attrDecl->typeName, - attrDecl->typeNs); - if (type == NULL) { - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Schemas: attribute %s type %s not found\n", - name, attrDecl->typeName); - } - attrDecl->subtypes = type; - } else if (attrDecl->ref != NULL) { - xmlSchemaAttributePtr ref; - - ref = xmlHashLookup2(ctxt->schema->attrDecl, attrDecl->ref, - attrDecl->refNs); - if (ref == NULL) { - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Schemas: attribute %s reference %s not found\n", - name, attrDecl->ref); - return; - } - xmlSchemaAttrFixup(ref, ctxt, NULL); - attrDecl->subtypes = ref->subtypes; - } else { - if ((ctxt != NULL) && (ctxt->error != NULL)) - ctxt->error(ctxt->userData, - "Schemas: attribute %s has no type nor reference\n", - name); - } -} - -/** - * xmlSchemaParse: - * @ctxt: a schema validation context - * - * parse a schema definition resource and build an internal - * XML Shema struture which can be used to validate instances. - * *WARNING* this interface is highly subject to change - * - * Returns the internal XML Schema structure built from the resource or - * NULL in case of error - */ -xmlSchemaPtr -xmlSchemaParse(xmlSchemaParserCtxtPtr ctxt) -{ - xmlSchemaPtr ret = NULL; - xmlDocPtr doc; - xmlNodePtr root, cur, delete; - - xmlSchemaInitTypes(); - - if (ctxt == NULL) - return (NULL); - - ctxt->counter = 0; - ctxt->container = NULL; - - /* - * First step is to parse the input document into an DOM/Infoset - */ - if (ctxt->URL != NULL) { - doc = xmlParseFile((const char *) ctxt->URL); - if (doc == NULL) { - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, - "xmlSchemaParse: could not load %s\n", ctxt->URL); - return (NULL); - } - } else if (ctxt->buffer != NULL) { - doc = xmlParseMemory(ctxt->buffer, ctxt->size); - if (doc == NULL) { - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, - "xmlSchemaParse: could not parse schemas\n"); - return (NULL); - } - doc->URL = xmlStrdup(BAD_CAST "in_memory_buffer"); - ctxt->URL = xmlStrdup(BAD_CAST "in_memory_buffer"); - } else { - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, - "xmlSchemaParse: nothing to parse\n"); - return (NULL); - } - - /* - * Then extract the root and Schema parse it - */ - root = xmlDocGetRootElement(doc); - if (root == NULL) { - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, "xmlSchemaParse: %s is empty\n", - ctxt->URL); - return (NULL); - } - - /* - * Remove all the blank text nodes - */ - delete = NULL; - cur = root; - while (cur != NULL) { - if (delete != NULL) { - xmlUnlinkNode(delete); - xmlFreeNode(delete); - delete = NULL; - } - if (cur->type == XML_TEXT_NODE) { - if (IS_BLANK_NODE(cur)) { - if (xmlNodeGetSpacePreserve(cur) != 1) { - delete = cur; - } - } - } else if ((cur->type != XML_ELEMENT_NODE) && - (cur->type != XML_CDATA_SECTION_NODE)) { - delete = cur; - goto skip_children; - } - - /* - * Skip to next node - */ - if (cur->children != NULL) { - if ((cur->children->type != XML_ENTITY_DECL) && - (cur->children->type != XML_ENTITY_REF_NODE) && - (cur->children->type != XML_ENTITY_NODE)) { - cur = cur->children; - continue; - } - } -skip_children: - if (cur->next != NULL) { - cur = cur->next; - continue; - } - - do { - cur = cur->parent; - if (cur == NULL) - break; - if (cur == root) { - cur = NULL; - break; - } - if (cur->next != NULL) { - cur = cur->next; - break; - } - } while (cur != NULL); - } - if (delete != NULL) { - xmlUnlinkNode(delete); - xmlFreeNode(delete); - delete = NULL; - } - - /* - * Then do the parsing for good - */ - ret = xmlSchemaParseSchema(ctxt, root); - if (ret == NULL) - return(NULL); - ret->doc = doc; - - /* - * Then fix all the references. - */ - ctxt->schema = ret; - xmlHashScanFull(ret->elemDecl, - (xmlHashScannerFull) xmlSchemaRefFixupCallback, ctxt); - - /* - * Then fixup all types properties - */ - xmlHashScan(ret->typeDecl, (xmlHashScanner) xmlSchemaTypeFixup, ctxt); - - /* - * Then build the content model for all elements - */ - xmlHashScan(ret->elemDecl, - (xmlHashScanner) xmlSchemaBuildContentModel, ctxt); - - /* - * Then check the defaults part of the type like facets values - */ - xmlHashScan(ret->typeDecl, (xmlHashScanner) xmlSchemaCheckDefaults, ctxt); - - /* - * Then fixup all attributes declarations - */ - xmlHashScan(ret->attrDecl, (xmlHashScanner) xmlSchemaAttrFixup, ctxt); - - /* - * Then fixup all attributes group declarations - */ - xmlHashScan(ret->attrgrpDecl, (xmlHashScanner) xmlSchemaAttrGrpFixup, ctxt); - - return (ret); -} - -/** - * xmlSchemaSetParserErrors: - * @ctxt: a schema validation context - * @err: the error callback - * @warn: the warning callback - * @ctx: contextual data for the callbacks - * - * Set the callback functions used to handle errors for a validation context - */ -void -xmlSchemaSetParserErrors(xmlSchemaParserCtxtPtr ctxt, - xmlSchemaValidityErrorFunc err, - xmlSchemaValidityWarningFunc warn, void *ctx) { - if (ctxt == NULL) - return; - ctxt->error = err; - ctxt->warning = warn; - ctxt->userData = ctx; -} - -/************************************************************************ - * * - * Simple type validation * - * * - ************************************************************************/ - -/** - * xmlSchemaValidateSimpleValue: - * @ctxt: a schema validation context - * @type: the type declaration - * @value: the value to validate - * - * Validate a value against a simple type - * - * Returns 0 if the value is valid, a positive error code - * number otherwise and -1 in case of internal or API error. - */ -static int -xmlSchemaValidateSimpleValue(xmlSchemaValidCtxtPtr ctxt, - xmlSchemaTypePtr type, - xmlChar *value) { - int ret = 0; - /* - * First normalize the value accordingly to Schema Datatype - * 4.3.6 whiteSpace definition of the whiteSpace facet of type - */ - /* - * Then check the normalized value against the lexical space of the - * type. - */ - if (type->type == XML_SCHEMA_TYPE_BASIC) { - if (ctxt->value != NULL) { - xmlSchemaFreeValue(ctxt->value); - ctxt->value = NULL; - } - ret = xmlSchemaValidatePredefinedType(type, value, &(ctxt->value)); - } else if (type->type == XML_SCHEMA_TYPE_RESTRICTION) { - xmlSchemaTypePtr base; - xmlSchemaFacetPtr facet; - int tmp; - - base = type->baseType; - if (base != NULL) { - ret = xmlSchemaValidateSimpleValue(ctxt, base, value); - } else if (type->subtypes != NULL) { - - } - /* - * Do not validate facets when working on building the Schemas - */ - if (ctxt->schema != NULL) { - if (ret == 0) { - facet = type->facets; - if ((type->type == XML_SCHEMA_TYPE_RESTRICTION) && - (facet != NULL) && - (facet->type == XML_SCHEMA_FACET_ENUMERATION)) { - while (facet != NULL) { - ret = 1; - - tmp = xmlSchemaValidateFacet(base, facet, value, - ctxt->value); - if (tmp == 0) { - ret = 0; - break; - } - facet = facet->next; - } - } else { - while (facet != NULL) { - tmp = xmlSchemaValidateFacet(base, facet, value, - ctxt->value); - if (tmp != 0) - ret = tmp; - facet = facet->next; - } - } - } - } - } else if (type->type == XML_SCHEMA_TYPE_SIMPLE) { - xmlSchemaTypePtr base; - - base = type->subtypes; - if (base != NULL) { - ret = xmlSchemaValidateSimpleValue(ctxt, base, value); - } else { - TODO - } - } else if (type->type == XML_SCHEMA_TYPE_LIST) { - xmlSchemaTypePtr base; - xmlChar *cur, *end, tmp; - int ret2; - - base = type->subtypes; - if (base == NULL) { - ctxt->err = XML_SCHEMAS_ERR_INTERNAL; - if (ctxt->error != NULL) { - xmlSchemaErrorContext(NULL, ctxt->schema, type->node, NULL); - ctxt->error(ctxt->userData, - "Internal: List type %s has no base type\n", - type->name); - } - return(-1); - } - cur = value; - do { - while (IS_BLANK(*cur)) cur++; - end = cur; - while ((*end != 0) && (!(IS_BLANK(*end)))) end++; - if (end == cur) - break; - tmp = *end; - *end = 0; - ret2 = xmlSchemaValidateSimpleValue(ctxt, base, cur); - if (ret2 != 0) - ret = 1; - *end = tmp; - cur = end; - } while (*cur != 0); - } else { - TODO - } - return(ret); -} - -/************************************************************************ - * * - * DOM Validation code * - * * - ************************************************************************/ - -static int xmlSchemaValidateContent(xmlSchemaValidCtxtPtr ctxt, - xmlNodePtr node); -static int xmlSchemaValidateAttributes(xmlSchemaValidCtxtPtr ctxt, - xmlNodePtr elem, xmlSchemaAttributePtr attributes); -static int xmlSchemaValidateType(xmlSchemaValidCtxtPtr ctxt, - xmlNodePtr elem, xmlSchemaElementPtr elemDecl, xmlSchemaTypePtr type); - -/** - * xmlSchemaRegisterAttributes: - * @ctxt: a schema validation context - * @attrs: a list of attributes - * - * Register the list of attributes as the set to be validated on that element - * - * Returns -1 in case of error, 0 otherwise - */ -static int -xmlSchemaRegisterAttributes(xmlSchemaValidCtxtPtr ctxt, - xmlAttrPtr attrs) { - while (attrs != NULL) { - if ((attrs->ns != NULL) && - (xmlStrEqual(attrs->ns->href, xmlSchemaInstanceNs))) { - attrs = attrs->next; - continue; - } - if (ctxt->attrNr >= ctxt->attrMax) { - xmlSchemaAttrStatePtr tmp; - - ctxt->attrMax *= 2; - tmp = (xmlSchemaAttrStatePtr) - xmlRealloc(ctxt->attr, ctxt->attrMax * - sizeof(xmlSchemaAttrState)); - if (tmp == NULL) { - ctxt->attrMax /= 2; - return(-1); - } - ctxt->attr = tmp; - } - ctxt->attr[ctxt->attrNr].attr = attrs; - ctxt->attr[ctxt->attrNr].state = XML_SCHEMAS_ATTR_UNKNOWN; - ctxt->attrNr++; - attrs = attrs->next; - } - return(0); -} - -/** - * xmlSchemaCheckAttributes: - * @ctxt: a schema validation context - * @node: the node carrying it. - * - * Check that the registered set of attributes on the current node - * has been properly validated. - * - * Returns 0 if validity constraints are met, 1 otherwise. - */ -static int -xmlSchemaCheckAttributes(xmlSchemaValidCtxtPtr ctxt, xmlNodePtr node) { - int ret = 0; - int i; - - for (i = ctxt->attrBase;i < ctxt->attrNr;i++) { - if (ctxt->attr[i].attr == NULL) - break; - if (ctxt->attr[i].state == XML_SCHEMAS_ATTR_UNKNOWN) { - ret = 1; - ctxt->err = XML_SCHEMAS_ERR_ATTRUNKNOWN; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, - "Attribute %s on %s is unknown\n", - ctxt->attr[i].attr->name, - node->name); - } - } - return(ret); -} - -/** - * xmlSchemaValidateSimpleContent: - * @ctxt: a schema validation context - * @elem: an element - * @type: the type declaration - * - * Validate the content of an element expected to be a simple type - * - * Returns 0 if the element is schemas valid, a positive error code - * number otherwise and -1 in case of internal or API error. - */ -static int -xmlSchemaValidateSimpleContent(xmlSchemaValidCtxtPtr ctxt, - xmlNodePtr node ATTRIBUTE_UNUSED) { - xmlNodePtr child; - xmlSchemaTypePtr type, base; - xmlChar *value; - int ret = 0, tmp; - - child = ctxt->node; - type = ctxt->type; - - /* - * Validation Rule: Element Locally Valid (Type): 3.1.3 - */ - value = xmlNodeGetContent(child); - /* xmlSchemaValidateSimpleValue(ctxt, type, value); */ - switch (type->type) { - case XML_SCHEMA_TYPE_RESTRICTION: { - xmlSchemaFacetPtr facet; - - base = type->baseType; - if (base != NULL) { - ret = xmlSchemaValidateSimpleValue(ctxt, base, value); - } else { - TODO - } - if (ret == 0) { - facet = type->facets; - while (facet != NULL) { - tmp = xmlSchemaValidateFacet(base, facet, value, - ctxt->value); - if (tmp != 0) - ret = tmp; - facet = facet->next; - } - } - break; - } - default: - TODO - } - if (value != NULL) - xmlFree(value); - - return(ret); -} - -/** - * xmlSchemaValidateCheckNodeList - * @nodelist: the list of nodes - * - * Check the node list is only made of text nodes and entities pointing - * to text nodes - * - * Returns 1 if true, 0 if false and -1 in case of error - */ -static int -xmlSchemaValidateCheckNodeList(xmlNodePtr nodelist) { - while (nodelist != NULL) { - if (nodelist->type == XML_ENTITY_REF_NODE) { - TODO /* implement recursion in the entity content */ - } - if ((nodelist->type != XML_TEXT_NODE) && - (nodelist->type != XML_COMMENT_NODE) && - (nodelist->type != XML_PI_NODE) && - (nodelist->type != XML_PI_NODE)) { - return(0); - } - nodelist = nodelist->next; - } - return(1); -} - -/** - * xmlSchemaSkipIgnored: - * @ctxt: a schema validation context - * @type: the current type context - * @node: the top node. - * - * Skip ignorable nodes in that context - * - * Returns the new sibling - * number otherwise and -1 in case of internal or API error. - */ -static xmlNodePtr -xmlSchemaSkipIgnored(xmlSchemaValidCtxtPtr ctxt ATTRIBUTE_UNUSED, - xmlSchemaTypePtr type, - xmlNodePtr node) { - int mixed = 0; - /* - * TODO complete and handle entities - */ - mixed = ((type->contentType == XML_SCHEMA_CONTENT_MIXED) || - (type->contentType == XML_SCHEMA_CONTENT_MIXED_OR_ELEMENTS)); - while ((node != NULL) && - ((node->type == XML_COMMENT_NODE) || - ((mixed == 1) && (node->type == XML_TEXT_NODE)) || - (((type->contentType == XML_SCHEMA_CONTENT_ELEMENTS) && - (node->type == XML_TEXT_NODE) && - (IS_BLANK_NODE(node)))))) { - node = node->next; - } - return(node); -} - -/** - * xmlSchemaValidateCallback: - * @ctxt: a schema validation context - * @name: the name of the element detected (might be NULL) - * @type: the type - * - * A transition has been made in the automata associated to an element - * content model - */ -static void -xmlSchemaValidateCallback(xmlSchemaValidCtxtPtr ctxt, - const xmlChar *name ATTRIBUTE_UNUSED, - xmlSchemaTypePtr type, - xmlNodePtr node) { - xmlSchemaTypePtr oldtype = ctxt->type; - xmlNodePtr oldnode = ctxt->node; -#ifdef DEBUG_CONTENT - xmlGenericError(xmlGenericErrorContext, - "xmlSchemaValidateCallback: %s, %s, %s\n", - name, type->name, node->name); -#endif - ctxt->type = type; - ctxt->node = node; - xmlSchemaValidateContent(ctxt, node); - ctxt->type = oldtype; - ctxt->node = oldnode; -} - - -#if 0 -/** - * xmlSchemaValidateSimpleRestrictionType: - * @ctxt: a schema validation context - * @node: the top node. - * - * Validate the content of a restriction type. - * - * Returns 0 if the element is schemas valid, a positive error code - * number otherwise and -1 in case of internal or API error. - */ -static int -xmlSchemaValidateSimpleRestrictionType(xmlSchemaValidCtxtPtr ctxt, - xmlNodePtr node) -{ - xmlNodePtr child; - xmlSchemaTypePtr type; - int ret; - - child = ctxt->node; - type = ctxt->type; - - if ((ctxt == NULL) || (type == NULL)) { - ctxt->err = XML_SCHEMAS_ERR_INTERNAL; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, - "Internal error: xmlSchemaValidateSimpleRestrictionType %s\n", - node->name); - return (-1); - } - /* - * Only text and text based entities references shall be found there - */ - ret = xmlSchemaValidateCheckNodeList(child); - if (ret < 0) { - ctxt->err = XML_SCHEMAS_ERR_INTERNAL; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, - "Internal error: xmlSchemaValidateSimpleType %s content\n", - node->name); - return (-1); - } else if (ret == 0) { - ctxt->err = XML_SCHEMAS_ERR_NOTSIMPLE; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, - "Element %s content is not a simple type\n", - node->name); - return (-1); - } - ctxt->type = type->subtypes; - xmlSchemaValidateContent(ctxt, node); - ctxt->type = type; - return (ret); -} -#endif - -/** - * xmlSchemaValidateSimpleType: - * @ctxt: a schema validation context - * @node: the top node. - * - * Validate the content of an simple type. - * - * Returns 0 if the element is schemas valid, a positive error code - * number otherwise and -1 in case of internal or API error. - */ -static int -xmlSchemaValidateSimpleType(xmlSchemaValidCtxtPtr ctxt, xmlNodePtr node) { - xmlNodePtr child; - xmlSchemaTypePtr type; - xmlAttrPtr attr; - int ret; - - child = ctxt->node; - type = ctxt->type; - - if ((ctxt == NULL) || (type == NULL)) { - ctxt->err = XML_SCHEMAS_ERR_INTERNAL; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, - "Internal error: xmlSchemaValidateSimpleType %s\n", - node->name); - return(-1); - } - /* - * Only text and text based entities references shall be found there - */ - ret = xmlSchemaValidateCheckNodeList(child); - if (ret < 0) { - ctxt->err = XML_SCHEMAS_ERR_INTERNAL; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, - "Internal error: xmlSchemaValidateSimpleType %s content\n", - node->name); - return(-1); - } else if (ret == 0) { - ctxt->err = XML_SCHEMAS_ERR_NOTSIMPLE; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, - "Element %s content is not a simple type\n", - node->name); - return(-1); - } - /* - * Validation Rule: Element Locally Valid (Type): 3.1.1 - */ - attr = node->properties; - while (attr != NULL) { - if ((attr->ns == NULL) || - (!xmlStrEqual(attr->ns->href, xmlSchemaInstanceNs)) || - ((!xmlStrEqual(attr->name, BAD_CAST"type")) && - (!xmlStrEqual(attr->name, BAD_CAST"nil")) && - (!xmlStrEqual(attr->name, BAD_CAST"schemasLocation")) && - (!xmlStrEqual(attr->name, BAD_CAST"noNamespaceSchemaLocation")))) { - ctxt->err = XML_SCHEMAS_ERR_INVALIDATTR; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, - "Element %s: attribute %s should not be present\n", - child->name, attr->name); - return(ctxt->err); - } - } - - ctxt->type = type->subtypes; - ret = xmlSchemaValidateSimpleContent(ctxt, node); - ctxt->type = type; - return(ret); -} - -/** - * xmlSchemaValidateElementType: - * @ctxt: a schema validation context - * @node: the top node. - * - * Validate the content of an element type. - * Validation Rule: Element Locally Valid (Complex Type) - * - * Returns 0 if the element is schemas valid, a positive error code - * number otherwise and -1 in case of internal or API error. - */ -static int -xmlSchemaValidateElementType(xmlSchemaValidCtxtPtr ctxt, xmlNodePtr node) { - xmlNodePtr child; - xmlSchemaTypePtr type; - xmlRegExecCtxtPtr oldregexp; /* cont model of the parent */ - xmlSchemaElementPtr decl; - int ret, attrBase; - - oldregexp = ctxt->regexp; - - child = ctxt->node; - type = ctxt->type; - - if ((ctxt == NULL) || (type == NULL)) { - ctxt->err = XML_SCHEMAS_ERR_INTERNAL; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, - "Internal error: xmlSchemaValidateElementType\n", - node->name); - return(-1); - } - if (child == NULL) { - if (type->minOccurs > 0) { - ctxt->err = XML_SCHEMAS_ERR_MISSING; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, - "Element %s: missing child %s\n", - node->name, type->name); - } - return(ctxt->err); - } - - /* - * Verify the element matches - */ - if (!xmlStrEqual(child->name, type->name)) { - ctxt->err = XML_SCHEMAS_ERR_WRONGELEM; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, - "Element %s: missing child %s found %s\n", - node->name, type->name, child->name); - return(ctxt->err); - } - /* - * Verify the attributes - */ - attrBase = ctxt->attrBase; - ctxt->attrBase = ctxt->attrNr; - xmlSchemaRegisterAttributes(ctxt, child->properties); - xmlSchemaValidateAttributes(ctxt, child, type->attributes); - /* - * Verify the element content recursively - */ - decl = (xmlSchemaElementPtr) type; - oldregexp = ctxt->regexp; - if (decl->contModel != NULL) { - ctxt->regexp = xmlRegNewExecCtxt(decl->contModel, - (xmlRegExecCallbacks) xmlSchemaValidateCallback, - ctxt); -#ifdef DEBUG_AUTOMATA - xmlGenericError(xmlGenericErrorContext, - "====> %s\n", node->name); -#endif - } - xmlSchemaValidateType(ctxt, child, (xmlSchemaElementPtr)type, - type->subtypes); - - if (decl->contModel != NULL) { - ret = xmlRegExecPushString(ctxt->regexp, NULL, NULL); -#ifdef DEBUG_AUTOMATA - xmlGenericError(xmlGenericErrorContext, - "====> %s : %d\n", node->name, ret); -#endif - if (ret == 0) { - ctxt->err = XML_SCHEMAS_ERR_ELEMCONT; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, "Element %s content check failed\n", - node->name); - } else if (ret < 0) { - ctxt->err = XML_SCHEMAS_ERR_ELEMCONT; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, "Element %s content check failure\n", - node->name); -#ifdef DEBUG_CONTENT - } else { - xmlGenericError(xmlGenericErrorContext, - "Element %s content check succeeded\n", node->name); - -#endif - } - xmlRegFreeExecCtxt(ctxt->regexp); - } - /* - * Verify that all attributes were Schemas-validated - */ - xmlSchemaCheckAttributes(ctxt, node); - ctxt->attrNr = ctxt->attrBase; - ctxt->attrBase = attrBase; - - ctxt->regexp = oldregexp; - - ctxt->node = child; - ctxt->type = type; - return(ctxt->err); -} - -/** - * xmlSchemaValidateBasicType: - * @ctxt: a schema validation context - * @node: the top node. - * - * Validate the content of an element expected to be a basic type type - * - * Returns 0 if the element is schemas valid, a positive error code - * number otherwise and -1 in case of internal or API error. - */ -static int -xmlSchemaValidateBasicType(xmlSchemaValidCtxtPtr ctxt, xmlNodePtr node) { - int ret; - xmlNodePtr child, cur; - xmlSchemaTypePtr type; - xmlChar *value; /* lexical representation */ - - child = ctxt->node; - type = ctxt->type; - - if ((ctxt == NULL) || (type == NULL)) { - ctxt->err = XML_SCHEMAS_ERR_INTERNAL; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, - "Internal error: xmlSchemaValidateBasicType\n", - node->name); - return(-1); - } - /* - * First check the content model of the node. - */ - cur = child; - while (cur != NULL) { - switch (cur->type) { - case XML_TEXT_NODE: - case XML_CDATA_SECTION_NODE: - case XML_PI_NODE: - case XML_COMMENT_NODE: - case XML_XINCLUDE_START: - case XML_XINCLUDE_END: - break; - case XML_ENTITY_REF_NODE: - case XML_ENTITY_NODE: - TODO - break; - case XML_ELEMENT_NODE: - ctxt->err = XML_SCHEMAS_ERR_INVALIDELEM; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, - "Element %s: child %s should not be present\n", - node->name, cur->name); - return(ctxt->err); - case XML_ATTRIBUTE_NODE: - case XML_DOCUMENT_NODE: - case XML_DOCUMENT_TYPE_NODE: - case XML_DOCUMENT_FRAG_NODE: - case XML_NOTATION_NODE: - case XML_HTML_DOCUMENT_NODE: - case XML_DTD_NODE: - case XML_ELEMENT_DECL: - case XML_ATTRIBUTE_DECL: - case XML_ENTITY_DECL: - case XML_NAMESPACE_DECL: -#ifdef LIBXML_DOCB_ENABLED - case XML_DOCB_DOCUMENT_NODE: -#endif - ctxt->err = XML_SCHEMAS_ERR_INVALIDELEM; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, - "Element %s: node type %d unexpected here\n", - node->name, cur->type); - return(ctxt->err); - } - cur = cur->next; - } - if (child == NULL) - value = NULL; - else - value = xmlNodeGetContent(child->parent); - - if (ctxt->value != NULL) { - xmlSchemaFreeValue(ctxt->value); - ctxt->value = NULL; - } - ret = xmlSchemaValidatePredefinedType(type, value, &(ctxt->value)); - if (value != NULL) - xmlFree(value); - if (ret != 0) { - ctxt->error(ctxt->userData, - "Element %s: failed to validate basic type %s\n", - node->name, type->name); - } - return(ret); -} - -/** - * xmlSchemaValidateComplexType: - * @ctxt: a schema validation context - * @node: the top node. - * - * Validate the content of an element expected to be a complex type type - * xmlschema-1.html#cvc-complex-type - * Validation Rule: Element Locally Valid (Complex Type) - * - * Returns 0 if the element is schemas valid, a positive error code - * number otherwise and -1 in case of internal or API error. - */ -static int -xmlSchemaValidateComplexType(xmlSchemaValidCtxtPtr ctxt, xmlNodePtr node) { - xmlNodePtr child; - xmlSchemaTypePtr type, subtype; - int ret; - - child = ctxt->node; - type = ctxt->type; - - switch (type->contentType) { - case XML_SCHEMA_CONTENT_EMPTY: - if (child != NULL) { - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, - "Element %s is supposed to be empty\n", - node->name); - } - if (type->attributes != NULL) { - xmlSchemaValidateAttributes(ctxt, node, type->attributes); - } - subtype = type->subtypes; - while (subtype != NULL) { - ctxt->type = subtype; - xmlSchemaValidateComplexType(ctxt, node); - subtype = subtype->next; - } - break; - case XML_SCHEMA_CONTENT_ELEMENTS: - case XML_SCHEMA_CONTENT_MIXED: - case XML_SCHEMA_CONTENT_MIXED_OR_ELEMENTS: - /* - * Skip ignorable nodes in that context - */ - child = xmlSchemaSkipIgnored(ctxt, type, child); - while (child != NULL) { - if (child->type == XML_ELEMENT_NODE) { - ret = xmlRegExecPushString(ctxt->regexp, - child->name, child); -#ifdef DEBUG_AUTOMATA - if (ret < 0) - xmlGenericError(xmlGenericErrorContext, - " --> %s Error\n", child->name); - else - xmlGenericError(xmlGenericErrorContext, - " --> %s\n", child->name); -#endif - } - child = child->next; - /* - * Skip ignorable nodes in that context - */ - child = xmlSchemaSkipIgnored(ctxt, type, child); - } - break; - case XML_SCHEMA_CONTENT_BASIC: { - if (type->subtypes != NULL) { - ctxt->type = type->subtypes; - xmlSchemaValidateComplexType(ctxt, node); - } - if (type->baseType != NULL) { - ctxt->type = type->baseType; - xmlSchemaValidateBasicType(ctxt, node); - } - if (type->attributes != NULL) { - xmlSchemaValidateAttributes(ctxt, node, type->attributes); - } - ctxt->type = type; - break; - } - default: - TODO - xmlGenericError(xmlGenericErrorContext, - "unimplemented content type %d\n", - type->contentType); - } - return(ctxt->err); -} - -/** - * xmlSchemaValidateContent: - * @ctxt: a schema validation context - * @elem: an element - * @type: the type declaration - * - * Validate the content of an element against the type. - * - * Returns 0 if the element is schemas valid, a positive error code - * number otherwise and -1 in case of internal or API error. - */ -static int -xmlSchemaValidateContent(xmlSchemaValidCtxtPtr ctxt, xmlNodePtr node) { - xmlNodePtr child; - xmlSchemaTypePtr type; - - child = ctxt->node; - type = ctxt->type; - - xmlSchemaValidateAttributes(ctxt, node, type->attributes); - - switch (type->type) { - case XML_SCHEMA_TYPE_ANY: - /* Any type will do it, fine */ - TODO /* handle recursivity */ - break; - case XML_SCHEMA_TYPE_COMPLEX: - xmlSchemaValidateComplexType(ctxt, node); - break; - case XML_SCHEMA_TYPE_ELEMENT: { - xmlSchemaElementPtr decl = (xmlSchemaElementPtr) type; - /* - * Handle element reference here - */ - if (decl->ref != NULL) { - if (decl->refDecl == NULL) { - ctxt->err = XML_SCHEMAS_ERR_INTERNAL; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, - "Internal error: element reference %s not resolved\n", - decl->ref); - return(-1); - } - ctxt->type = (xmlSchemaTypePtr) decl->refDecl; - decl = decl->refDecl; - } - xmlSchemaValidateElementType(ctxt, node); - ctxt->type = type; - break; - } - case XML_SCHEMA_TYPE_BASIC: - xmlSchemaValidateBasicType(ctxt, node); - break; - case XML_SCHEMA_TYPE_FACET: - TODO - break; - case XML_SCHEMA_TYPE_SIMPLE: - xmlSchemaValidateSimpleType(ctxt, node); - break; - case XML_SCHEMA_TYPE_SEQUENCE: - TODO - break; - case XML_SCHEMA_TYPE_CHOICE: - TODO - break; - case XML_SCHEMA_TYPE_ALL: - TODO - break; - case XML_SCHEMA_TYPE_SIMPLE_CONTENT: - TODO - break; - case XML_SCHEMA_TYPE_COMPLEX_CONTENT: - TODO - break; - case XML_SCHEMA_TYPE_UR: - TODO - break; - case XML_SCHEMA_TYPE_RESTRICTION: - /*xmlSchemaValidateRestrictionType(ctxt, node); */ - TODO - break; - case XML_SCHEMA_TYPE_EXTENSION: - TODO - break; - case XML_SCHEMA_TYPE_ATTRIBUTE: - TODO - break; - case XML_SCHEMA_TYPE_GROUP: - TODO - break; - case XML_SCHEMA_TYPE_NOTATION: - TODO - break; - case XML_SCHEMA_TYPE_LIST: - TODO - break; - case XML_SCHEMA_TYPE_UNION: - TODO - break; - case XML_SCHEMA_FACET_MININCLUSIVE: - TODO - break; - case XML_SCHEMA_FACET_MINEXCLUSIVE: - TODO - break; - case XML_SCHEMA_FACET_MAXINCLUSIVE: - TODO - break; - case XML_SCHEMA_FACET_MAXEXCLUSIVE: - TODO - break; - case XML_SCHEMA_FACET_TOTALDIGITS: - TODO - break; - case XML_SCHEMA_FACET_FRACTIONDIGITS: - TODO - break; - case XML_SCHEMA_FACET_PATTERN: - TODO - break; - case XML_SCHEMA_FACET_ENUMERATION: - TODO - break; - case XML_SCHEMA_FACET_WHITESPACE: - TODO - break; - case XML_SCHEMA_FACET_LENGTH: - TODO - break; - case XML_SCHEMA_FACET_MAXLENGTH: - TODO - break; - case XML_SCHEMA_FACET_MINLENGTH: - TODO - break; - case XML_SCHEMA_TYPE_ATTRIBUTEGROUP: - TODO - break; - } - xmlSchemaValidateAttributes(ctxt, node, type->attributes); - - if (ctxt->node == NULL) - return(ctxt->err); - ctxt->node = ctxt->node->next; - ctxt->type = type->next; - return(ctxt->err); -} - -/** - * xmlSchemaValidateType: - * @ctxt: a schema validation context - * @elem: an element - * @type: the list of type declarations - * - * Validate the content of an element against the types. - * - * Returns 0 if the element is schemas valid, a positive error code - * number otherwise and -1 in case of internal or API error. - */ -static int -xmlSchemaValidateType(xmlSchemaValidCtxtPtr ctxt, xmlNodePtr elem, - xmlSchemaElementPtr elemDecl, - xmlSchemaTypePtr type) { - xmlChar *nil; - - if ((elem->content == NULL) || (type == NULL) || (elemDecl == NULL)) - return(0); - /* - * 3.3.4 : 2 - */ - if (elemDecl->flags & XML_SCHEMAS_ELEM_ABSTRACT) { - ctxt->err = XML_SCHEMAS_ERR_ISABSTRACT; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, "Element %s is abstract\n", elem->name); - return(ctxt->err); - } - /* - * 3.3.4: 3 - */ - nil = xmlGetNsProp(elem, BAD_CAST "nil", xmlSchemaInstanceNs); - if (elemDecl->flags & XML_SCHEMAS_ELEM_NILLABLE) { - /* 3.3.4: 3.2 */ - if (xmlStrEqual(nil, BAD_CAST "true")) { - if (elem->children != NULL) { - ctxt->err = XML_SCHEMAS_ERR_NOTEMPTY; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, "Element %s is not empty\n", - elem->name); - return(ctxt->err); - } - if ((elemDecl->flags & XML_SCHEMAS_ELEM_FIXED) && - (elemDecl->value != NULL)) { - ctxt->err = XML_SCHEMAS_ERR_HAVEDEFAULT; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, - "Empty element %s cannot get a fixed value\n", - elem->name); - return(ctxt->err); - } - } - } else { - /* 3.3.4: 3.1 */ - if (nil != NULL) { - ctxt->err = XML_SCHEMAS_ERR_NOTNILLABLE; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, - "Element %s with xs:nil but not nillable\n", - elem->name); - xmlFree(nil); - return(ctxt->err); - } - } - - /* TODO 3.3.4: 4 if the element carries xs:type*/ - - ctxt->type = elemDecl->subtypes; - ctxt->node = elem->children; - xmlSchemaValidateContent(ctxt, elem); - xmlSchemaValidateAttributes(ctxt, elem, elemDecl->attributes); - - return(ctxt->err); -} - - -/** - * xmlSchemaValidateAttributes: - * @ctxt: a schema validation context - * @elem: an element - * @attributes: the list of attribute declarations - * - * Validate the attributes of an element. - * - * Returns 0 if the element is schemas valid, a positive error code - * number otherwise and -1 in case of internal or API error. - */ -static int -xmlSchemaValidateAttributes(xmlSchemaValidCtxtPtr ctxt, xmlNodePtr elem, - xmlSchemaAttributePtr attributes) { - int i, ret; - xmlAttrPtr attr; - xmlChar *value; - xmlSchemaAttributeGroupPtr group = NULL; - - if (attributes == NULL) - return(0); - while (attributes != NULL) { - /* - * Handle attribute groups - */ - if (attributes->type == XML_SCHEMA_TYPE_ATTRIBUTEGROUP) { - group = (xmlSchemaAttributeGroupPtr) attributes; - xmlSchemaValidateAttributes(ctxt, elem, group->attributes); - attributes = group->next; - continue; - } - for (i = ctxt->attrBase;i < ctxt->attrNr;i++) { - attr = ctxt->attr[i].attr; - if (attr == NULL) - continue; - if (!xmlStrEqual(attr->name, attributes->name)) - continue; - /* - * TODO: handle the mess about namespaces here. - */ - if ((attr->ns != NULL) /* || (attributes->ns != NULL) */) { - TODO - } - if (attributes->subtypes == NULL) { - ctxt->err = XML_SCHEMAS_ERR_INTERNAL; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, - "Internal error: attribute %s type not resolved\n", - attr->name); - continue; - } - value = xmlNodeListGetString(elem->doc, attr->children, 1); - ret = xmlSchemaValidateSimpleValue(ctxt, attributes->subtypes, - value); - if (ret != 0) { - ctxt->err = XML_SCHEMAS_ERR_ATTRINVALID; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, - "attribute %s on %s does not match type\n", - attr->name, elem->name); - } else { - ctxt->attr[i].state = XML_SCHEMAS_ATTR_CHECKED; - } - if (value != NULL) { - xmlFree(value); - } - } - attributes = attributes->next; - } - return(ctxt->err); -} - -/** - * xmlSchemaValidateElement: - * @ctxt: a schema validation context - * @elem: an element - * - * Validate an element in a tree - * - * Returns 0 if the element is schemas valid, a positive error code - * number otherwise and -1 in case of internal or API error. - */ -static int -xmlSchemaValidateElement(xmlSchemaValidCtxtPtr ctxt, xmlNodePtr elem) { - xmlSchemaElementPtr elemDecl; - int ret, attrBase; - - if (elem->ns != NULL) - elemDecl = xmlHashLookup3(ctxt->schema->elemDecl, - elem->name, elem->ns->href, NULL); - else - elemDecl = xmlHashLookup3(ctxt->schema->elemDecl, - elem->name, NULL, NULL); - /* - * 3.3.4 : 1 - */ - if (elemDecl == NULL) { - ctxt->err = XML_SCHEMAS_ERR_UNDECLAREDELEM; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, "Element %s not declared\n", - elem->name); - return(ctxt->err); - } - if (elemDecl->subtypes == NULL) { - ctxt->err = XML_SCHEMAS_ERR_NOTYPE; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, "Element %s has no type\n", - elem->name); - return(ctxt->err); - } - /* - * Verify the attributes - */ - attrBase = ctxt->attrBase; - ctxt->attrBase = ctxt->attrNr; - xmlSchemaRegisterAttributes(ctxt, elem->properties); - xmlSchemaValidateAttributes(ctxt, elem, elemDecl->attributes); - /* - * Verify the element content recursively - */ - if (elemDecl->contModel != NULL) { - ctxt->regexp = xmlRegNewExecCtxt(elemDecl->contModel, - (xmlRegExecCallbacks) xmlSchemaValidateCallback, - ctxt); -#ifdef DEBUG_AUTOMATA - xmlGenericError(xmlGenericErrorContext, - "====> %s\n", elem->name); -#endif - } - xmlSchemaValidateType(ctxt, elem, elemDecl, elemDecl->subtypes); - if (elemDecl->contModel != NULL) { - ret = xmlRegExecPushString(ctxt->regexp, NULL, NULL); -#ifdef DEBUG_AUTOMATA - xmlGenericError(xmlGenericErrorContext, - "====> %s : %d\n", elem->name, ret); -#endif - if (ret == 0) { - ctxt->err = XML_SCHEMAS_ERR_ELEMCONT; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, "Element %s content check failed\n", - elem->name); - } else if (ret < 0) { - ctxt->err = XML_SCHEMAS_ERR_ELEMCONT; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, "Element %s content check failed\n", - elem->name); -#ifdef DEBUG_CONTENT - } else { - xmlGenericError(xmlGenericErrorContext, - "Element %s content check succeeded\n", elem->name); - -#endif - } - xmlRegFreeExecCtxt(ctxt->regexp); - } - /* - * Verify that all attributes were Schemas-validated - */ - xmlSchemaCheckAttributes(ctxt, elem); - ctxt->attrNr = ctxt->attrBase; - ctxt->attrBase = attrBase; - - return(ctxt->err); -} - -/** - * xmlSchemaValidateDocument: - * @ctxt: a schema validation context - * @doc: a parsed document tree - * - * Validate a document tree in memory. - * - * Returns 0 if the document is schemas valid, a positive error code - * number otherwise and -1 in case of internal or API error. - */ -static int -xmlSchemaValidateDocument(xmlSchemaValidCtxtPtr ctxt, xmlDocPtr doc) { - xmlNodePtr root; - xmlSchemaElementPtr elemDecl; - - root = xmlDocGetRootElement(doc); - if (root == NULL) { - ctxt->err = XML_SCHEMAS_ERR_NOROOT; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, "document has no root\n"); - return(ctxt->err); - } - if (root->ns != NULL) - elemDecl = xmlHashLookup3(ctxt->schema->elemDecl, - root->name, root->ns->href, NULL); - else - elemDecl = xmlHashLookup3(ctxt->schema->elemDecl, - root->name, NULL, NULL); - if (elemDecl == NULL) { - ctxt->err = XML_SCHEMAS_ERR_UNDECLAREDELEM; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, "Element %s not declared\n", - root->name); - } else if ((elemDecl->flags & XML_SCHEMAS_ELEM_TOPLEVEL) == 0) { - ctxt->err = XML_SCHEMAS_ERR_NOTTOPLEVEL; - if (ctxt->error != NULL) - ctxt->error(ctxt->userData, "Root element %s not toplevel\n", - root->name); - } - /* - * Okay, start the recursive validation - */ - xmlSchemaValidateElement(ctxt, root); - - return(ctxt->err); -} - -/************************************************************************ - * * - * SAX Validation code * - * * - ************************************************************************/ - -/************************************************************************ - * * - * Validation interfaces * - * * - ************************************************************************/ - -/** - * xmlSchemaNewValidCtxt: - * @schema: a precompiled XML Schemas - * - * Create an XML Schemas validation context based on the given schema - * - * Returns the validation context or NULL in case of error - */ -xmlSchemaValidCtxtPtr -xmlSchemaNewValidCtxt(xmlSchemaPtr schema) { - xmlSchemaValidCtxtPtr ret; - - ret = (xmlSchemaValidCtxtPtr) xmlMalloc(sizeof(xmlSchemaValidCtxt)); - if (ret == NULL) { - xmlGenericError(xmlGenericErrorContext, - "Failed to allocate new schama validation context\n"); - return (NULL); - } - memset(ret, 0, sizeof(xmlSchemaValidCtxt)); - ret->schema = schema; - ret->attrNr = 0; - ret->attrMax = 10; - ret->attr = (xmlSchemaAttrStatePtr) xmlMalloc(ret->attrMax * - sizeof(xmlSchemaAttrState)); - if (ret->attr == NULL) { - free(ret); - return(NULL); - } - memset(ret->attr, 0, ret->attrMax * sizeof(xmlSchemaAttrState)); - return (ret); -} - -/** - * xmlSchemaFreeValidCtxt: - * @ctxt: the schema validation context - * - * Free the resources associated to the schema validation context - */ -void -xmlSchemaFreeValidCtxt(xmlSchemaValidCtxtPtr ctxt) { - if (ctxt == NULL) - return; - if (ctxt->attr != NULL) - xmlFree(ctxt->attr); - if (ctxt->value != NULL) - xmlSchemaFreeValue(ctxt->value); - xmlFree(ctxt); -} - -/** - * xmlSchemaSetValidErrors: - * @ctxt: a schema validation context - * @err: the error function - * @warn: the warning function - * @ctx: the functions context - * - * Set the error and warning callback informations - */ -void -xmlSchemaSetValidErrors(xmlSchemaValidCtxtPtr ctxt, - xmlSchemaValidityErrorFunc err, - xmlSchemaValidityWarningFunc warn, void *ctx) { - if (ctxt == NULL) - return; - ctxt->error = err; - ctxt->warning = warn; - ctxt->userData = ctx; -} - -/** - * xmlSchemaValidateDoc: - * @ctxt: a schema validation context - * @doc: a parsed document tree - * - * Validate a document tree in memory. - * - * Returns 0 if the document is schemas valid, a positive error code - * number otherwise and -1 in case of internal or API error. - */ -int -xmlSchemaValidateDoc(xmlSchemaValidCtxtPtr ctxt, xmlDocPtr doc) { - int ret; - - if ((ctxt == NULL) || (doc == NULL)) - return(-1); - - ctxt->doc = doc; - ret = xmlSchemaValidateDocument(ctxt, doc); - return(ret); -} - -/** - * xmlSchemaValidateStream: - * @ctxt: a schema validation context - * @input: the input to use for reading the data - * @enc: an optional encoding information - * @sax: a SAX handler for the resulting events - * @user_data: the context to provide to the SAX handler. - * - * Validate a document tree in memory. - * - * Returns 0 if the document is schemas valid, a positive error code - * number otherwise and -1 in case of internal or API error. - */ -int -xmlSchemaValidateStream(xmlSchemaValidCtxtPtr ctxt, - xmlParserInputBufferPtr input, xmlCharEncoding enc, - xmlSAXHandlerPtr sax, void *user_data) { - if ((ctxt == NULL) || (input == NULL)) - return(-1); - ctxt->input = input; - ctxt->enc = enc; - ctxt->sax = sax; - ctxt->user_data = user_data; - TODO - return(0); -} - -#endif /* LIBXML_SCHEMAS_ENABLED */ |