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added xmlSchemaNewMemParserCtxt to parse a schemas from a memory area

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* xmlschemas.c include/libxml/xmlschemas.h: added
  xmlSchemaNewMemParserCtxt to parse a schemas from a memory area
* testSchemas.c: added --memory to test the new interface
Daniel
This commit is contained in:
Daniel Veillard 2002-10-09 21:13:59 +00:00
parent 595978c978
commit 6045c90aef
4 changed files with 119 additions and 15 deletions
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6
ChangeLog
View File

@ -1,3 +1,9 @@
Wed Oct 9 23:11:02 CEST 2002 Daniel Veillard <daniel@veillard.com>
* xmlschemas.c include/libxml/xmlschemas.h: added
xmlSchemaNewMemParserCtxt to parse a schemas from a memory area
* testSchemas.c: added --memory to test the new interface
Wed Oct 9 16:22:54 CEST 2002 Daniel Veillard <daniel@veillard.com>
* doc/index.py doc/search.php: integrated the XSLT indexing,

4
include/libxml/xmlschemas.h
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@ -73,7 +73,9 @@ typedef xmlSchemaValidCtxt *xmlSchemaValidCtxtPtr;
/*
* Interfaces for parsing.
*/
xmlSchemaParserCtxtPtr xmlSchemaNewParserCtxt(const char *URL);
xmlSchemaParserCtxtPtr xmlSchemaNewParserCtxt (const char *URL);
xmlSchemaParserCtxtPtr xmlSchemaNewMemParserCtxt(const char *buffer,
int size);
void xmlSchemaFreeParserCtxt (xmlSchemaParserCtxtPtr ctxt);
void xmlSchemaSetParserErrors(xmlSchemaParserCtxtPtr ctxt,
xmlSchemaValidityErrorFunc err,

59
testSchemas.c
View File

@ -32,6 +32,13 @@
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h>
/* seems needed for Solaris */
#ifndef MAP_FAILED
#define MAP_FAILED ((void *) -1)
#endif
#endif
#include <libxml/xmlmemory.h>
#include <libxml/debugXML.h>
@ -42,6 +49,9 @@
static int debug = 0;
#endif
static int noout = 0;
#ifdef HAVE_SYS_MMAN_H
static int memory = 0;
#endif
int main(int argc, char **argv) {
@ -54,6 +64,11 @@ int main(int argc, char **argv) {
if ((!strcmp(argv[i], "-debug")) || (!strcmp(argv[i], "--debug")))
debug++;
else
#endif
#ifdef HAVE_SYS_MMAN_H
if ((!strcmp(argv[i], "-memory")) || (!strcmp(argv[i], "--memory"))) {
memory++;
} else
#endif
if ((!strcmp(argv[i], "-noout")) || (!strcmp(argv[i], "--noout"))) {
noout++;
@ -65,13 +80,40 @@ int main(int argc, char **argv) {
if (schema == NULL) {
xmlSchemaParserCtxtPtr ctxt;
ctxt = xmlSchemaNewParserCtxt(argv[i]);
xmlSchemaSetParserErrors(ctxt,
(xmlSchemaValidityErrorFunc) fprintf,
(xmlSchemaValidityWarningFunc) fprintf,
stderr);
schema = xmlSchemaParse(ctxt);
xmlSchemaFreeParserCtxt(ctxt);
#ifdef HAVE_SYS_MMAN_H
if (memory) {
int fd;
struct stat info;
const char *base;
if (stat(argv[i], &info) < 0)
break;
if ((fd = open(argv[i], O_RDONLY)) < 0)
break;
base = mmap(NULL, info.st_size, PROT_READ,
MAP_SHARED, fd, 0) ;
if (base == (void *) MAP_FAILED)
break;
ctxt = xmlSchemaNewMemParserCtxt((char *)base,info.st_size);
xmlSchemaSetParserErrors(ctxt,
(xmlSchemaValidityErrorFunc) fprintf,
(xmlSchemaValidityWarningFunc) fprintf,
stderr);
schema = xmlSchemaParse(ctxt);
xmlSchemaFreeParserCtxt(ctxt);
munmap((char *) base, info.st_size);
} else
#endif
{
ctxt = xmlSchemaNewParserCtxt(argv[i]);
xmlSchemaSetParserErrors(ctxt,
(xmlSchemaValidityErrorFunc) fprintf,
(xmlSchemaValidityWarningFunc) fprintf,
stderr);
schema = xmlSchemaParse(ctxt);
xmlSchemaFreeParserCtxt(ctxt);
}
#ifdef LIBXML_DEBUG_ENABLED
if (debug)
xmlSchemaDump(stdout, schema);
@ -118,6 +160,9 @@ int main(int argc, char **argv) {
printf("\t--debug : dump a debug tree of the in-memory document\n");
#endif
printf("\t--noout : do not print the result\n");
#ifdef HAVE_SYS_MMAN_H
printf("\t--memory : test the schemas in memory parsing\n");
#endif
}
xmlSchemaCleanupTypes();
xmlCleanupParser();

65
xmlschemas.c
View File

@ -68,6 +68,9 @@ struct _xmlSchemaParserCtxt {
xmlChar *URL;
xmlDocPtr doc;
const char *buffer;
int size;
/*
* Used to build complex element content models
*/
@ -3014,6 +3017,35 @@ xmlSchemaNewParserCtxt(const char *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
@ -3026,6 +3058,8 @@ xmlSchemaFreeParserCtxt(xmlSchemaParserCtxtPtr ctxt) {
return;
if (ctxt->URL != NULL)
xmlFree(ctxt->URL);
if (ctxt->doc != NULL)
xmlFreeDoc(ctxt->doc);
xmlFree(ctxt);
}
@ -3795,7 +3829,7 @@ xmlSchemaParse(xmlSchemaParserCtxtPtr ctxt)
xmlSchemaInitTypes();
if ((ctxt == NULL) || (ctxt->URL == NULL))
if (ctxt == NULL)
return (NULL);
ctxt->counter = 0;
@ -3804,12 +3838,29 @@ xmlSchemaParse(xmlSchemaParserCtxtPtr ctxt)
/*
* First step is to parse the input document into an DOM/Infoset
*/
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);
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);
}
/*