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</style><title>Module xmlschemas from libxml2</title></head><body bgcolor="#8b7765" text="#000000" link="#a06060" vlink="#000000"> |    | Module xmlschemas from libxml2 |
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| <center>API Menu</center> | | <form action="../search.php" enctype="application/x-www-form-urlencoded" method="get"><input name="query" type="text" size="20" value="" /><input name="submit" type="submit" value="Search ..." /></form> |
| <center>API Indexes</center> | |
| <center>Related links</center> | |
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| interface to the XML Schemas handling and schema validity checking, it is incomplete right now. Table of ContentsStructure xmlSchema
struct _xmlSchema |
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Structure xmlSchemaParserCtxt
struct _xmlSchemaParserCtxt
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The content of this structure is not made public by the API.
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Typedef xmlSchemaParserCtxt * xmlSchemaParserCtxtPtr
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Typedef xmlSchema * xmlSchemaPtr
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Typedef xmlSchemaSAXPlugStruct * xmlSchemaSAXPlugPtr
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Structure xmlSchemaSAXPlugStruct
struct _xmlSchemaSAXPlug
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The content of this structure is not made public by the API.
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Structure xmlSchemaValidCtxt
struct _xmlSchemaValidCtxt
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The content of this structure is not made public by the API.
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Typedef xmlSchemaValidCtxt * xmlSchemaValidCtxtPtr
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Enum xmlSchemaValidError
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Enum xmlSchemaValidOption
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void xmlSchemaDump (FILE * output,
xmlSchemaPtr schema)
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void xmlSchemaFree (xmlSchemaPtr schema)
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void xmlSchemaFreeParserCtxt (xmlSchemaParserCtxtPtr ctxt)
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void xmlSchemaFreeValidCtxt (xmlSchemaValidCtxtPtr ctxt)
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int xmlSchemaGetParserErrors (xmlSchemaParserCtxtPtr ctxt,
xmlSchemaValidityErrorFunc * err,
xmlSchemaValidityWarningFunc * warn,
void ** ctx)
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int xmlSchemaGetValidErrors (xmlSchemaValidCtxtPtr ctxt,
xmlSchemaValidityErrorFunc * err,
xmlSchemaValidityWarningFunc * warn,
void ** ctx)
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int xmlSchemaIsValid (xmlSchemaValidCtxtPtr ctxt)
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xmlSchemaParserCtxtPtr xmlSchemaNewDocParserCtxt (xmlDocPtr doc)
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xmlSchemaParserCtxtPtr xmlSchemaNewMemParserCtxt (const char * buffer,
int size)
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xmlSchemaParserCtxtPtr xmlSchemaNewParserCtxt (const char * URL)
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xmlSchemaValidCtxtPtr xmlSchemaNewValidCtxt (xmlSchemaPtr schema)
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xmlSchemaPtr xmlSchemaParse (xmlSchemaParserCtxtPtr ctxt)
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xmlSchemaSAXPlugPtr xmlSchemaSAXPlug (xmlSchemaValidCtxtPtr ctxt,
xmlSAXHandlerPtr * sax,
void ** user_data)
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int xmlSchemaSAXUnplug (xmlSchemaSAXPlugPtr plug)
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void xmlSchemaSetParserErrors (xmlSchemaParserCtxtPtr ctxt,
xmlSchemaValidityErrorFunc err,
xmlSchemaValidityWarningFunc warn,
void * ctx)
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void xmlSchemaSetParserStructuredErrors (xmlSchemaParserCtxtPtr ctxt,
xmlStructuredErrorFunc serror,
void * ctx)
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void xmlSchemaSetValidErrors (xmlSchemaValidCtxtPtr ctxt,
xmlSchemaValidityErrorFunc err,
xmlSchemaValidityWarningFunc warn,
void * ctx)
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int xmlSchemaSetValidOptions (xmlSchemaValidCtxtPtr ctxt,
int options)
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void xmlSchemaSetValidStructuredErrors (xmlSchemaValidCtxtPtr ctxt,
xmlStructuredErrorFunc serror,
void * ctx)
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int xmlSchemaValidCtxtGetOptions (xmlSchemaValidCtxtPtr ctxt)
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xmlParserCtxtPtr xmlSchemaValidCtxtGetParserCtxt (xmlSchemaValidCtxtPtr ctxt)
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int xmlSchemaValidateDoc (xmlSchemaValidCtxtPtr ctxt,
xmlDocPtr doc)
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int xmlSchemaValidateFile (xmlSchemaValidCtxtPtr ctxt,
const char * filename,
int options)
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int xmlSchemaValidateOneElement (xmlSchemaValidCtxtPtr ctxt,
xmlNodePtr elem)
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void xmlSchemaValidateSetFilename (xmlSchemaValidCtxtPtr vctxt,
const char * filename)
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void xmlSchemaValidateSetLocator (xmlSchemaValidCtxtPtr vctxt,
xmlSchemaValidityLocatorFunc f,
void * ctxt)
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int xmlSchemaValidateStream (xmlSchemaValidCtxtPtr ctxt,
xmlParserInputBufferPtr input,
xmlCharEncoding enc,
xmlSAXHandlerPtr sax,
void * user_data)
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Function type: xmlSchemaValidityErrorFunc
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void xmlSchemaValidityErrorFunc (void * ctx,
const char * msg,
... ...)
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Function type: xmlSchemaValidityLocatorFunc
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int xmlSchemaValidityLocatorFunc (void * ctx,
const char ** file,
unsigned long * line)
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Function type: xmlSchemaValidityWarningFunc
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void xmlSchemaValidityWarningFunc (void * ctx,
const char * msg,
... ...)
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Description
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Structure xmlSchema
struct _xmlSchema {
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const xmlChar * name : schema name
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const xmlChar * targetNamespace : the target namespace
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const xmlChar * version
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const xmlChar * id : Obsolete
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xmlDocPtr doc
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xmlSchemaAnnotPtr annot
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int flags
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xmlHashTablePtr typeDecl
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xmlHashTablePtr attrDecl
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xmlHashTablePtr attrgrpDecl
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xmlHashTablePtr elemDecl
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xmlHashTablePtr notaDecl
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xmlHashTablePtr schemasImports
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void * _private : unused by the library for users or bind
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xmlHashTablePtr groupDecl
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xmlDictPtr dict
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void * includes : the includes, this is opaque for now
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int preserve : whether to free the document
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int counter : used to give ononymous components uniqu
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xmlHashTablePtr idcDef : All identity-constraint defs.
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void * volatiles : Obsolete
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}Structure xmlSchemaParserCtxt
struct _xmlSchemaParserCtxt {
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The content of this structure is not made public by the API.
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}Structure xmlSchemaSAXPlugStruct
struct _xmlSchemaSAXPlug {
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The content of this structure is not made public by the API.
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}Structure xmlSchemaValidCtxt
struct _xmlSchemaValidCtxt {
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The content of this structure is not made public by the API.
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}Enum xmlSchemaValidError {
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XML_SCHEMAS_ERR_OK = 0
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XML_SCHEMAS_ERR_NOROOT = 1
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XML_SCHEMAS_ERR_UNDECLAREDELEM = 2
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XML_SCHEMAS_ERR_NOTTOPLEVEL = 3
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XML_SCHEMAS_ERR_MISSING = 4
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XML_SCHEMAS_ERR_WRONGELEM = 5
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XML_SCHEMAS_ERR_NOTYPE = 6
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XML_SCHEMAS_ERR_NOROLLBACK = 7
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XML_SCHEMAS_ERR_ISABSTRACT = 8
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XML_SCHEMAS_ERR_NOTEMPTY = 9
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XML_SCHEMAS_ERR_ELEMCONT = 10
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XML_SCHEMAS_ERR_HAVEDEFAULT = 11
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XML_SCHEMAS_ERR_NOTNILLABLE = 12
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= 13
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XML_SCHEMAS_ERR_INVALIDATTR = 14
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XML_SCHEMAS_ERR_INVALIDELEM = 15
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XML_SCHEMAS_ERR_NOTDETERMINIST = 16
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XML_SCHEMAS_ERR_CONSTRUCT = 17
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XML_SCHEMAS_ERR_INTERNAL = 18
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XML_SCHEMAS_ERR_NOTSIMPLE = 19
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XML_SCHEMAS_ERR_ATTRUNKNOWN = 20
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XML_SCHEMAS_ERR_ATTRINVALID = 21
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XML_SCHEMAS_ERR_VALUE = 22
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XML_SCHEMAS_ERR_FACET = 23
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XML_SCHEMAS_ERR_ = 24
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XML_SCHEMAS_ERR_XXX = 25
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}
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Enum xmlSchemaValidOption {
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XML_SCHEMA_VAL_VC_I_CREATE = 1 : Default/fixed: create an attribute node * or an element's text node on the instance. *
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}
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Function: xmlSchemaDumpvoid xmlSchemaDump (FILE * output,
xmlSchemaPtr schema)
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Dump a Schema structure.
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| <tt>output</tt>: | the file output | | <tt>schema</tt>: | a schema structure |
Function: xmlSchemaFreevoid xmlSchemaFree (xmlSchemaPtr schema)
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Deallocate a Schema structure.
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| <tt>schema</tt>: | a schema structure |
Function: xmlSchemaFreeParserCtxtvoid xmlSchemaFreeParserCtxt (xmlSchemaParserCtxtPtr ctxt)
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Free the resources associated to the schema parser context
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| <tt>ctxt</tt>: | the schema parser context |
Function: xmlSchemaFreeValidCtxtvoid xmlSchemaFreeValidCtxt (xmlSchemaValidCtxtPtr ctxt)
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Free the resources associated to the schema validation context
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| <tt>ctxt</tt>: | the schema validation context |
Function: xmlSchemaGetParserErrorsint xmlSchemaGetParserErrors (xmlSchemaParserCtxtPtr ctxt,
xmlSchemaValidityErrorFunc * err,
xmlSchemaValidityWarningFunc * warn,
void ** ctx)
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Get the callback information used to handle errors for a parser context
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| <tt>ctxt</tt>: | a XMl-Schema parser context | | <tt>err</tt>: | the error callback result | | <tt>warn</tt>: | the warning callback result | | <tt>ctx</tt>: | contextual data for the callbacks result | | <tt>Returns</tt>: | -1 in case of failure, 0 otherwise |
Function: xmlSchemaGetValidErrorsint xmlSchemaGetValidErrors (xmlSchemaValidCtxtPtr ctxt,
xmlSchemaValidityErrorFunc * err,
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void ** ctx)
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Get the error and warning callback informations
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| <tt>ctxt</tt>: | a XML-Schema validation context | | <tt>err</tt>: | the error function result | | <tt>warn</tt>: | the warning function result | | <tt>ctx</tt>: | the functions context result | | <tt>Returns</tt>: | -1 in case of error and 0 otherwise |
Function: xmlSchemaIsValidint xmlSchemaIsValid (xmlSchemaValidCtxtPtr ctxt)
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Check if any error was detected during validation.
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| <tt>ctxt</tt>: | the schema validation context | | <tt>Returns</tt>: | 1 if valid so far, 0 if errors were detected, and -1 in case of internal error. |
Function: xmlSchemaNewDocParserCtxtxmlSchemaParserCtxtPtr xmlSchemaNewDocParserCtxt (xmlDocPtr doc)
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Create an XML Schemas parse context for that document. NB. The document may be modified during the parsing process.
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| <tt>doc</tt>: | a preparsed document tree | | <tt>Returns</tt>: | the parser context or NULL in case of error |
Function: xmlSchemaNewMemParserCtxtxmlSchemaParserCtxtPtr xmlSchemaNewMemParserCtxt (const char * buffer,
int size)
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Create an XML Schemas parse context for that memory buffer expected to contain an XML Schemas file.
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| <tt>buffer</tt>: | a pointer to a char array containing the schemas | | <tt>size</tt>: | the size of the array | | <tt>Returns</tt>: | the parser context or NULL in case of error |
Function: xmlSchemaNewParserCtxtxmlSchemaParserCtxtPtr xmlSchemaNewParserCtxt (const char * URL)
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Create an XML Schemas parse context for that file/resource expected to contain an XML Schemas file.
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| <tt>URL</tt>: | the location of the schema | | <tt>Returns</tt>: | the parser context or NULL in case of error |
Function: xmlSchemaNewValidCtxtxmlSchemaValidCtxtPtr xmlSchemaNewValidCtxt (xmlSchemaPtr schema)
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Create an XML Schemas validation context based on the given schema.
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| <tt>schema</tt>: | a precompiled XML Schemas | | <tt>Returns</tt>: | the validation context or NULL in case of error |
Function: xmlSchemaParsexmlSchemaPtr xmlSchemaParse (xmlSchemaParserCtxtPtr ctxt)
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parse a schema definition resource and build an internal XML Shema struture which can be used to validate instances.
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| <tt>ctxt</tt>: | a schema validation context | | <tt>Returns</tt>: | the internal XML Schema structure built from the resource or NULL in case of error |
Function: xmlSchemaSAXPlugxmlSchemaSAXPlugPtr xmlSchemaSAXPlug (xmlSchemaValidCtxtPtr ctxt,
xmlSAXHandlerPtr * sax,
void ** user_data)
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Plug a SAX based validation layer in a SAX parsing event flow. The original @saxptr and @dataptr data are replaced by new pointers but the calls to the original will be maintained.
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| <tt>ctxt</tt>: | a schema validation context | | <tt>sax</tt>: | a pointer to the original xmlSAXHandlerPtr | | <tt>user_data</tt>: | a pointer to the original SAX user data pointer | | <tt>Returns</tt>: | a pointer to a data structure needed to unplug the validation layer or NULL in case of errors. |
Function: xmlSchemaSAXUnplugint xmlSchemaSAXUnplug (xmlSchemaSAXPlugPtr plug)
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Unplug a SAX based validation layer in a SAX parsing event flow. The original pointers used in the call are restored.
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| <tt>plug</tt>: | a data structure returned by xmlSchemaSAXPlug | | <tt>Returns</tt>: | 0 in case of success and -1 in case of failure. |
Function: xmlSchemaSetParserErrorsvoid xmlSchemaSetParserErrors (xmlSchemaParserCtxtPtr ctxt,
xmlSchemaValidityErrorFunc err,
xmlSchemaValidityWarningFunc warn,
void * ctx)
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Set the callback functions used to handle errors for a validation context
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| <tt>ctxt</tt>: | a schema validation context | | <tt>err</tt>: | the error callback | | <tt>warn</tt>: | the warning callback | | <tt>ctx</tt>: | contextual data for the callbacks |
Function: xmlSchemaSetParserStructuredErrorsvoid xmlSchemaSetParserStructuredErrors (xmlSchemaParserCtxtPtr ctxt,
xmlStructuredErrorFunc serror,
void * ctx)
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Set the structured error callback
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| <tt>ctxt</tt>: | a schema parser context | | <tt>serror</tt>: | the structured error function | | <tt>ctx</tt>: | the functions context |
Function: xmlSchemaSetValidErrorsvoid xmlSchemaSetValidErrors (xmlSchemaValidCtxtPtr ctxt,
xmlSchemaValidityErrorFunc err,
xmlSchemaValidityWarningFunc warn,
void * ctx)
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Set the error and warning callback informations
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| <tt>ctxt</tt>: | a schema validation context | | <tt>err</tt>: | the error function | | <tt>warn</tt>: | the warning function | | <tt>ctx</tt>: | the functions context |
Function: xmlSchemaSetValidOptionsint xmlSchemaSetValidOptions (xmlSchemaValidCtxtPtr ctxt,
int options)
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Sets the options to be used during the validation.
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| <tt>ctxt</tt>: | a schema validation context | | <tt>options</tt>: | a combination of xmlSchemaValidOption | | <tt>Returns</tt>: | 0 in case of success, -1 in case of an API error. |
Function: xmlSchemaSetValidStructuredErrorsvoid xmlSchemaSetValidStructuredErrors (xmlSchemaValidCtxtPtr ctxt,
xmlStructuredErrorFunc serror,
void * ctx)
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Set the structured error callback
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| <tt>ctxt</tt>: | a schema validation context | | <tt>serror</tt>: | the structured error function | | <tt>ctx</tt>: | the functions context |
Function: xmlSchemaValidCtxtGetOptionsint xmlSchemaValidCtxtGetOptions (xmlSchemaValidCtxtPtr ctxt)
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Get the validation context options.
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| <tt>ctxt</tt>: | a schema validation context | | <tt>Returns</tt>: | the option combination or -1 on error. |
Function: xmlSchemaValidCtxtGetParserCtxtxmlParserCtxtPtr xmlSchemaValidCtxtGetParserCtxt (xmlSchemaValidCtxtPtr ctxt)
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allow access to the parser context of the schema validation context
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| <tt>ctxt</tt>: | a schema validation context | | <tt>Returns</tt>: | the parser context of the schema validation context or NULL in case of error. |
Function: xmlSchemaValidateDocint xmlSchemaValidateDoc (xmlSchemaValidCtxtPtr ctxt,
xmlDocPtr doc)
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Validate a document tree in memory.
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| <tt>ctxt</tt>: | a schema validation context | | <tt>doc</tt>: | a parsed document tree | | <tt>Returns</tt>: | 0 if the document is schemas valid, a positive error code number otherwise and -1 in case of internal or API error. |
Function: xmlSchemaValidateFileint xmlSchemaValidateFile (xmlSchemaValidCtxtPtr ctxt,
const char * filename,
int options)
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Do a schemas validation of the given resource, it will use the SAX streamable validation internally.
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| <tt>ctxt</tt>: | a schema validation context | | <tt>filename</tt>: | the URI of the instance | | <tt>options</tt>: | a future set of options, currently unused | | <tt>Returns</tt>: | 0 if the document is valid, a positive error code number otherwise and -1 in case of an internal or API error. |
Function: xmlSchemaValidateOneElementint xmlSchemaValidateOneElement (xmlSchemaValidCtxtPtr ctxt,
xmlNodePtr elem)
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Validate a branch of a tree, starting with the given @elem.
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| <tt>ctxt</tt>: | a schema validation context | | <tt>elem</tt>: | an element node | | <tt>Returns</tt>: | 0 if the element and its subtree is valid, a positive error code number otherwise and -1 in case of an internal or API error. |
Function: xmlSchemaValidateSetFilenamevoid xmlSchemaValidateSetFilename (xmlSchemaValidCtxtPtr vctxt,
const char * filename)
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Workaround to provide file error reporting information when this is not provided by current APIs
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| <tt>vctxt</tt>: | the schema validation context | | <tt>filename</tt>: | the file name |
Function: xmlSchemaValidateSetLocatorvoid xmlSchemaValidateSetLocator (xmlSchemaValidCtxtPtr vctxt,
xmlSchemaValidityLocatorFunc f,
void * ctxt)
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Allows to set a locator function to the validation context, which will be used to provide file and line information since those are not provided as part of the SAX validation flow Setting @f to NULL disable the locator.
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| <tt>vctxt</tt>: | a schema validation context | | <tt>f</tt>: | the locator function pointer | | <tt>ctxt</tt>: | the locator context |
Function: xmlSchemaValidateStreamint xmlSchemaValidateStream (xmlSchemaValidCtxtPtr ctxt,
xmlParserInputBufferPtr input,
xmlCharEncoding enc,
xmlSAXHandlerPtr sax,
void * user_data)
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Validate an input based on a flow of SAX event from the parser and forward the events to the @sax handler with the provided @user_data the user provided @sax handler must be a SAX2 one.
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| <tt>ctxt</tt>: | a schema validation context | | <tt>input</tt>: | the input to use for reading the data | | <tt>enc</tt>: | an optional encoding information | | <tt>sax</tt>: | a SAX handler for the resulting events | | <tt>user_data</tt>: | the context to provide to the SAX handler. | | <tt>Returns</tt>: | 0 if the document is schemas valid, a positive error code number otherwise and -1 in case of internal or API error. |
Function type: xmlSchemaValidityErrorFuncFunction type: xmlSchemaValidityErrorFunc
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void xmlSchemaValidityErrorFunc (void * ctx,
const char * msg,
... ...)
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Signature of an error callback from an XSD validation | <tt>ctx</tt>: | the validation context | | <tt>msg</tt>: | the message | | <tt>...</tt>: | extra arguments |
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Function type: xmlSchemaValidityLocatorFuncFunction type: xmlSchemaValidityLocatorFunc
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int xmlSchemaValidityLocatorFunc (void * ctx,
const char ** file,
unsigned long * line)
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A schemas validation locator, a callback called by the validator. This is used when file or node informations are not available to find out what file and line number are affected | <tt>ctx</tt>: | user provided context | | <tt>file</tt>: | returned file information | | <tt>line</tt>: | returned line information | | <tt>Returns</tt>: | 0 in case of success and -1 in case of error |
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Function type: xmlSchemaValidityWarningFuncFunction type: xmlSchemaValidityWarningFunc
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void xmlSchemaValidityWarningFunc (void * ctx,
const char * msg,
... ...)
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Signature of a warning callback from an XSD validation | <tt>ctx</tt>: | the validation context | | <tt>msg</tt>: | the message | | <tt>...</tt>: | extra arguments |
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Daniel Veillard </body></html>
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