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/**
* section: Parsing
* synopsis: Parse and validate an XML file to a tree and free the result
* purpose: Create a parser context for an XML file, then parse and validate
* the file, creating a tree, check the validation result
* and xmlFreeDoc() to free the resulting tree.
* usage: parse2 test2.xml
* test: parse2 test2.xml
* author: Daniel Veillard
* copy: see Copyright for the status of this software.
*/
#include <stdio.h>
#include <libxml/parser.h>
#include <libxml/tree.h>
/**
* exampleFunc:
* @filename: a filename or an URL
*
* Parse and validate the resource and free the resulting tree
*/
static void
exampleFunc(const char *filename) {
xmlParserCtxtPtr ctxt; /* the parser context */
xmlDocPtr doc; /* the resulting document tree */
/* create a parser context */
ctxt = xmlNewParserCtxt();
if (ctxt == NULL) {
fprintf(stderr, "Failed to allocate parser context\n");
return;
}
/* parse the file, activating the DTD validation option */
doc = xmlCtxtReadFile(ctxt, filename, NULL, XML_PARSE_DTDVALID);
/* check if parsing succeeded */
if (doc == NULL) {
fprintf(stderr, "Failed to parse %s\n", filename);
} else {
/* check if validation succeeded */
if (ctxt->valid == 0)
fprintf(stderr, "Failed to validate %s\n", filename);
/* free up the resulting document */
xmlFreeDoc(doc);
}
/* free up the parser context */
xmlFreeParserCtxt(ctxt);
}
int main(int argc, char **argv) {
if (argc != 2)
return(1);
/*
* this initialize the library and check potential ABI mismatches
* between the version it was compiled for and the actual shared
* library used.
*/
LIBXML_TEST_VERSION
exampleFunc(argv[1]);
/*
* Cleanup function for the XML library.
*/
xmlCleanupParser();
/*
* this is to debug memory for regression tests
*/
xmlMemoryDump();
return(0);
}