diff options
Diffstat (limited to 'doc/tutorial/includexpath.c')
-rw-r--r-- | doc/tutorial/includexpath.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/doc/tutorial/includexpath.c b/doc/tutorial/includexpath.c new file mode 100644 index 0000000..92c0944 --- /dev/null +++ b/doc/tutorial/includexpath.c @@ -0,0 +1,65 @@ +<![CDATA[ +#include <libxml/parser.h> +#include <libxml/xpath.h> + +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); + result = xmlXPathEvalExpression(xpath, context); + if(xmlXPathNodeSetIsEmpty(result->nodesetval)){ + printf("No result\n"); + return NULL; + } + xmlXPathFreeContext(context); + return result; +} +int +main(int argc, char **argv) { + + char *docname; + xmlDocPtr doc; + xmlChar *xpath = ("//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); +} +]]> |