| /** |
| * 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 suceeded */ |
| if (doc == NULL) { |
| fprintf(stderr, "Failed to parse %s\n", filename); |
| } else { |
| /* check if validation suceeded */ |
| 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); |
| } |