📄 relaxng.c
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/************************************************************************
* *
* Some factorized error routines *
* *
************************************************************************/
/**
* xmlRngPErrMemory:
* @ctxt: an Relax-NG parser context
* @extra: extra informations
*
* Handle a redefinition of attribute error
*/
static void
xmlRngPErrMemory(xmlRelaxNGParserCtxtPtr ctxt, const char *extra)
{
xmlStructuredErrorFunc schannel = NULL;
xmlGenericErrorFunc channel = NULL;
void *data = NULL;
if (ctxt != NULL) {
channel = ctxt->error;
data = ctxt->userData;
ctxt->nbErrors++;
schannel = ctxt->serror;
}
if (extra)
__xmlRaiseError(schannel, channel, data,
NULL, NULL, XML_FROM_RELAXNGP,
XML_ERR_NO_MEMORY, XML_ERR_FATAL, NULL, 0, extra,
NULL, NULL, 0, 0,
"Memory allocation failed : %s\n", extra);
else
__xmlRaiseError(schannel, channel, data,
NULL, NULL, XML_FROM_RELAXNGP,
XML_ERR_NO_MEMORY, XML_ERR_FATAL, NULL, 0, NULL,
NULL, NULL, 0, 0, "Memory allocation failed\n");
}
/**
* xmlRngVErrMemory:
* @ctxt: a Relax-NG validation context
* @extra: extra informations
*
* Handle a redefinition of attribute error
*/
static void
xmlRngVErrMemory(xmlRelaxNGValidCtxtPtr ctxt, const char *extra)
{
xmlStructuredErrorFunc schannel = NULL;
xmlGenericErrorFunc channel = NULL;
void *data = NULL;
if (ctxt != NULL) {
channel = ctxt->error;
data = ctxt->userData;
ctxt->nbErrors++;
schannel = ctxt->serror;
}
if (extra)
__xmlRaiseError(schannel, channel, data,
NULL, NULL, XML_FROM_RELAXNGV,
XML_ERR_NO_MEMORY, XML_ERR_FATAL, NULL, 0, extra,
NULL, NULL, 0, 0,
"Memory allocation failed : %s\n", extra);
else
__xmlRaiseError(schannel, channel, data,
NULL, NULL, XML_FROM_RELAXNGV,
XML_ERR_NO_MEMORY, XML_ERR_FATAL, NULL, 0, NULL,
NULL, NULL, 0, 0, "Memory allocation failed\n");
}
/**
* xmlRngPErr:
* @ctxt: a Relax-NG parser context
* @node: the node raising the error
* @error: the error code
* @msg: message
* @str1: extra info
* @str2: extra info
*
* Handle a Relax NG Parsing error
*/
static void
xmlRngPErr(xmlRelaxNGParserCtxtPtr ctxt, xmlNodePtr node, int error,
const char *msg, const xmlChar * str1, const xmlChar * str2)
{
xmlStructuredErrorFunc schannel = NULL;
xmlGenericErrorFunc channel = NULL;
void *data = NULL;
if (ctxt != NULL) {
channel = ctxt->error;
data = ctxt->userData;
ctxt->nbErrors++;
schannel = ctxt->serror;
}
__xmlRaiseError(schannel, channel, data,
NULL, node, XML_FROM_RELAXNGP,
error, XML_ERR_ERROR, NULL, 0,
(const char *) str1, (const char *) str2, NULL, 0, 0,
msg, str1, str2);
}
/**
* xmlRngVErr:
* @ctxt: a Relax-NG validation context
* @node: the node raising the error
* @error: the error code
* @msg: message
* @str1: extra info
* @str2: extra info
*
* Handle a Relax NG Validation error
*/
static void
xmlRngVErr(xmlRelaxNGValidCtxtPtr ctxt, xmlNodePtr node, int error,
const char *msg, const xmlChar * str1, const xmlChar * str2)
{
xmlStructuredErrorFunc schannel = NULL;
xmlGenericErrorFunc channel = NULL;
void *data = NULL;
if (ctxt != NULL) {
channel = ctxt->error;
data = ctxt->userData;
ctxt->nbErrors++;
schannel = ctxt->serror;
}
__xmlRaiseError(schannel, channel, data,
NULL, node, XML_FROM_RELAXNGV,
error, XML_ERR_ERROR, NULL, 0,
(const char *) str1, (const char *) str2, NULL, 0, 0,
msg, str1, str2);
}
/************************************************************************
* *
* Preliminary type checking interfaces *
* *
************************************************************************/
/**
* xmlRelaxNGTypeHave:
* @data: data needed for the library
* @type: the type name
* @value: the value to check
*
* Function provided by a type library to check if a type is exported
*
* Returns 1 if yes, 0 if no and -1 in case of error.
*/
typedef int (*xmlRelaxNGTypeHave) (void *data, const xmlChar * type);
/**
* xmlRelaxNGTypeCheck:
* @data: data needed for the library
* @type: the type name
* @value: the value to check
* @result: place to store the result if needed
*
* Function provided by a type library to check if a value match a type
*
* Returns 1 if yes, 0 if no and -1 in case of error.
*/
typedef int (*xmlRelaxNGTypeCheck) (void *data, const xmlChar * type,
const xmlChar * value, void **result,
xmlNodePtr node);
/**
* xmlRelaxNGFacetCheck:
* @data: data needed for the library
* @type: the type name
* @facet: the facet name
* @val: the facet value
* @strval: the string value
* @value: the value to check
*
* Function provided by a type library to check a value facet
*
* Returns 1 if yes, 0 if no and -1 in case of error.
*/
typedef int (*xmlRelaxNGFacetCheck) (void *data, const xmlChar * type,
const xmlChar * facet,
const xmlChar * val,
const xmlChar * strval, void *value);
/**
* xmlRelaxNGTypeFree:
* @data: data needed for the library
* @result: the value to free
*
* Function provided by a type library to free a returned result
*/
typedef void (*xmlRelaxNGTypeFree) (void *data, void *result);
/**
* xmlRelaxNGTypeCompare:
* @data: data needed for the library
* @type: the type name
* @value1: the first value
* @value2: the second value
*
* Function provided by a type library to compare two values accordingly
* to a type.
*
* Returns 1 if yes, 0 if no and -1 in case of error.
*/
typedef int (*xmlRelaxNGTypeCompare) (void *data, const xmlChar * type,
const xmlChar * value1,
xmlNodePtr ctxt1,
void *comp1,
const xmlChar * value2,
xmlNodePtr ctxt2);
typedef struct _xmlRelaxNGTypeLibrary xmlRelaxNGTypeLibrary;
typedef xmlRelaxNGTypeLibrary *xmlRelaxNGTypeLibraryPtr;
struct _xmlRelaxNGTypeLibrary {
const xmlChar *namespace; /* the datatypeLibrary value */
void *data; /* data needed for the library */
xmlRelaxNGTypeHave have; /* the export function */
xmlRelaxNGTypeCheck check; /* the checking function */
xmlRelaxNGTypeCompare comp; /* the compare function */
xmlRelaxNGFacetCheck facet; /* the facet check function */
xmlRelaxNGTypeFree freef; /* the freeing function */
};
/************************************************************************
* *
* Allocation functions *
* *
************************************************************************/
static void xmlRelaxNGFreeGrammar(xmlRelaxNGGrammarPtr grammar);
static void xmlRelaxNGFreeDefine(xmlRelaxNGDefinePtr define);
static void xmlRelaxNGNormExtSpace(xmlChar * value);
static void xmlRelaxNGFreeInnerSchema(xmlRelaxNGPtr schema);
static int xmlRelaxNGEqualValidState(xmlRelaxNGValidCtxtPtr ctxt
ATTRIBUTE_UNUSED,
xmlRelaxNGValidStatePtr state1,
xmlRelaxNGValidStatePtr state2);
static void xmlRelaxNGFreeValidState(xmlRelaxNGValidCtxtPtr ctxt,
xmlRelaxNGValidStatePtr state);
/**
* xmlRelaxNGFreeDocument:
* @docu: a document structure
*
* Deallocate a RelaxNG document structure.
*/
static void
xmlRelaxNGFreeDocument(xmlRelaxNGDocumentPtr docu)
{
if (docu == NULL)
return;
if (docu->href != NULL)
xmlFree(docu->href);
if (docu->doc != NULL)
xmlFreeDoc(docu->doc);
if (docu->schema != NULL)
xmlRelaxNGFreeInnerSchema(docu->schema);
xmlFree(docu);
}
/**
* xmlRelaxNGFreeDocumentList:
* @docu: a list of document structure
*
* Deallocate a RelaxNG document structures.
*/
static void
xmlRelaxNGFreeDocumentList(xmlRelaxNGDocumentPtr docu)
{
xmlRelaxNGDocumentPtr next;
while (docu != NULL) {
next = docu->next;
xmlRelaxNGFreeDocument(docu);
docu = next;
}
}
/**
* xmlRelaxNGFreeInclude:
* @incl: a include structure
*
* Deallocate a RelaxNG include structure.
*/
static void
xmlRelaxNGFreeInclude(xmlRelaxNGIncludePtr incl)
{
if (incl == NULL)
return;
if (incl->href != NULL)
xmlFree(incl->href);
if (incl->doc != NULL)
xmlFreeDoc(incl->doc);
if (incl->schema != NULL)
xmlRelaxNGFree(incl->schema);
xmlFree(incl);
}
/**
* xmlRelaxNGFreeIncludeList:
* @incl: a include structure list
*
* Deallocate a RelaxNG include structure.
*/
static void
xmlRelaxNGFreeIncludeList(xmlRelaxNGIncludePtr incl)
{
xmlRelaxNGIncludePtr next;
while (incl != NULL) {
next = incl->next;
xmlRelaxNGFreeInclude(incl);
incl = next;
}
}
/**
* xmlRelaxNGNewRelaxNG:
* @ctxt: a Relax-NG validation context (optional)
*
* Allocate a new RelaxNG structure.
*
* Returns the newly allocated structure or NULL in case or error
*/
static xmlRelaxNGPtr
xmlRelaxNGNewRelaxNG(xmlRelaxNGParserCtxtPtr ctxt)
{
xmlRelaxNGPtr ret;
ret = (xmlRelaxNGPtr) xmlMalloc(sizeof(xmlRelaxNG));
if (ret == NULL) {
xmlRngPErrMemory(ctxt, NULL);
return (NULL);
}
memset(ret, 0, sizeof(xmlRelaxNG));
return (ret);
}
/**
* xmlRelaxNGFreeInnerSchema:
* @schema: a schema structure
*
* Deallocate a RelaxNG schema structure.
*/
static void
xmlRelaxNGFreeInnerSchema(xmlRelaxNGPtr schema)
{
if (schema == NULL)
return;
if (schema->doc != NULL)
xmlFreeDoc(schema->doc);
if (schema->defTab != NULL) {
int i;
for (i = 0; i < schema->defNr; i++)
xmlRelaxNGFreeDefine(schema->defTab[i]);
xmlFree(schema->defTab);
}
xmlFree(schema);
}
/**
* xmlRelaxNGFree:
* @schema: a schema structure
*
* Deallocate a RelaxNG structure.
*/
void
xmlRelaxNGFree(xmlRelaxNGPtr schema)
{
if (schema == NULL)
return;
if (schema->topgrammar != NULL)
xmlRelaxNGFreeGrammar(schema->topgrammar);
if (schema->doc != NULL)
xmlFreeDoc(schema->doc);
if (schema->documents != NULL)
xmlRelaxNGFreeDocumentList(schema->documents);
if (schema->includes != NULL)
xmlRelaxNGFreeIncludeList(schema->includes);
if (schema->defTab != NULL) {
int i;
for (i = 0; i < schema->defNr; i++)
xmlRelaxNGFreeDefine(schema->defTab[i]);
xmlFree(schema->defTab);
}
xmlFree(schema);
}
/**
* xmlRelaxNGNewGrammar:
* @ctxt: a Relax-NG validation context (optional)
*
* Allocate a new RelaxNG grammar.
*
* Returns the newly allocated structure or NULL in case or error
*/
static xmlRelaxNGGrammarPtr
xmlRelaxNGNewGrammar(xmlRelaxNGParserCtxtPtr ctxt)
{
xmlRelaxNGGrammarPtr ret;
ret = (xmlRelaxNGGrammarPtr) xmlMalloc(sizeof(xmlRelaxNGGrammar));
if (ret == NULL) {
xmlRngPErrMemory(ctxt, NULL);
return (NULL);
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