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Thu Aug 28 08:59:51 MDT 2003 John Fleck <jfleck@inkstain.net> add: * doc/tutorial/api.html * doc/tutorial/ar01s09.html * doc/tutorial/includexpath.c updated * doc/tutorial/*.html fix my bad - forgot to check in new files when I last updated
66 lines
1.2 KiB
C
66 lines
1.2 KiB
C
<![CDATA[
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#include <libxml/parser.h>
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#include <libxml/xpath.h>
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xmlDocPtr
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getdoc (char *docname) {
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xmlDocPtr doc;
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doc = xmlParseFile(docname);
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if (doc == NULL ) {
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fprintf(stderr,"Document not parsed successfully. \n");
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return NULL;
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}
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return doc;
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}
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xmlXPathObjectPtr
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getnodeset (xmlDocPtr doc, xmlChar *xpath){
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xmlXPathContextPtr context;
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xmlXPathObjectPtr result;
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context = xmlXPathNewContext(doc);
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result = xmlXPathEvalExpression(xpath, context);
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if(xmlXPathNodeSetIsEmpty(result->nodesetval)){
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printf("No result\n");
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return NULL;
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}
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xmlXPathFreeContext(context);
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return result;
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}
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int
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main(int argc, char **argv) {
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char *docname;
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xmlDocPtr doc;
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xmlChar *xpath = ("//keyword");
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xmlNodeSetPtr nodeset;
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xmlXPathObjectPtr result;
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int i;
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xmlChar *keyword;
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if (argc <= 1) {
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printf("Usage: %s docname\n", argv[0]);
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return(0);
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}
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docname = argv[1];
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doc = getdoc(docname);
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result = getnodeset (doc, xpath);
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if (result) {
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nodeset = result->nodesetval;
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for (i=0; i < nodeset->nodeNr; i++) {
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keyword = xmlNodeListGetString(doc, nodeset->nodeTab[i]->xmlChildrenNode, 1);
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printf("keyword: %s\n", keyword);
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}
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}
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xmlXPathFreeObject (result);
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xmlFree(keyword);
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xmlFreeDoc(doc);
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xmlCleanupParser();
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return (1);
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}
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]]>
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