56 lines
1.1 KiB
C
56 lines
1.1 KiB
C
#include <libxml/parser.h>
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#include <libxml/xpath.h>
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xmlDocPtr getdoc (char *docname) {
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xmlDocPtr doc;
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doc = xmlParseFile(docname);
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return doc;
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}
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xmlXPathObjectPtr 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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xmlXPathFreeContext(context);
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return result;
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}
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int main(int argc, char **argv) {
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if (argc <= 2) {
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printf("Usage: %s <XML Document Name> <XPath expression>\n", argv[0]);
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return 0;
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}
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char *docname;
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xmlDocPtr doc;
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xmlChar *xpath = (xmlChar*) argv[2];
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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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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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xmlNodePtr titleNode = nodeset->nodeTab[i];
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keyword = xmlNodeListGetString(doc, titleNode->xmlChildrenNode, 1);
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printf("Value %d: %s\n",i+1, keyword);
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xmlFree(keyword);
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}
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xmlXPathFreeObject (result);
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}
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xmlFreeDoc(doc);
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xmlCleanupParser();
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return 0;
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}
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