From 35a201cc8ef0c3f5b2df88d2e528aabee1048348 Mon Sep 17 00:00:00 2001 From: Wojtek Kosior Date: Fri, 30 Apr 2021 18:47:09 +0200 Subject: Initial/Final commit --- libxml2-2.9.10/doc/tutorial/includexpath.c | 74 ++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 libxml2-2.9.10/doc/tutorial/includexpath.c (limited to 'libxml2-2.9.10/doc/tutorial/includexpath.c') diff --git a/libxml2-2.9.10/doc/tutorial/includexpath.c b/libxml2-2.9.10/doc/tutorial/includexpath.c new file mode 100644 index 0000000..6b66e60 --- /dev/null +++ b/libxml2-2.9.10/doc/tutorial/includexpath.c @@ -0,0 +1,74 @@ + +#include + +xmlDocPtr +getdoc (char *docname) { + xmlDocPtr doc; + doc = xmlParseFile(docname); + + if (doc == NULL ) { + fprintf(stderr,"Document not parsed successfully. \n"); + return NULL; + } + + return doc; +} + +xmlXPathObjectPtr +getnodeset (xmlDocPtr doc, xmlChar *xpath){ + + xmlXPathContextPtr context; + xmlXPathObjectPtr result; + + context = xmlXPathNewContext(doc); + if (context == NULL) { + printf("Error in xmlXPathNewContext\n"); + return NULL; + } + result = xmlXPathEvalExpression(xpath, context); + xmlXPathFreeContext(context); + if (result == NULL) { + printf("Error in xmlXPathEvalExpression\n"); + return NULL; + } + if(xmlXPathNodeSetIsEmpty(result->nodesetval)){ + xmlXPathFreeObject(result); + printf("No result\n"); + return NULL; + } + return result; +} +int +main(int argc, char **argv) { + + char *docname; + xmlDocPtr doc; + xmlChar *xpath = (xmlChar*) "//keyword"; + xmlNodeSetPtr nodeset; + xmlXPathObjectPtr result; + int i; + xmlChar *keyword; + + if (argc <= 1) { + printf("Usage: %s docname\n", argv[0]); + return(0); + } + + docname = argv[1]; + doc = getdoc(docname); + result = getnodeset (doc, xpath); + if (result) { + nodeset = result->nodesetval; + for (i=0; i < nodeset->nodeNr; i++) { + keyword = xmlNodeListGetString(doc, nodeset->nodeTab[i]->xmlChildrenNode, 1); + printf("keyword: %s\n", keyword); + xmlFree(keyword); + } + xmlXPathFreeObject (result); + } + xmlFreeDoc(doc); + xmlCleanupParser(); + return (1); +} +]]> \ No newline at end of file -- cgit v1.2.3