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<![CDATA[ #include <stdio.h> #include <string.h> #include <stdlib.h> #include <libxml/xmlmemory.h> #include <libxml/parser.h> void parseStory (xmlDocPtr doc, xmlNodePtr cur, char *keyword) { xmlNewTextChild (cur, NULL, "keyword", keyword); return; } xmlDocPtr parseDoc(char *docname, char *keyword) { xmlDocPtr doc; xmlNodePtr cur; doc = xmlParseFile(docname); if (doc == NULL ) { fprintf(stderr,"Document not parsed successfully. \n"); return (NULL); } cur = xmlDocGetRootElement(doc); if (cur == NULL) { fprintf(stderr,"empty document\n"); xmlFreeDoc(doc); return (NULL); } if (xmlStrcmp(cur->name, (const xmlChar *) "story")) { fprintf(stderr,"document of the wrong type, root node != story"); xmlFreeDoc(doc); return (NULL); } cur = cur->xmlChildrenNode; while (cur != NULL) { if ((!xmlStrcmp(cur->name, (const xmlChar *)"storyinfo"))){ parseStory (doc, cur, keyword); } cur = cur->next; } return(doc); } int main(int argc, char **argv) { char *docname; char *keyword; xmlDocPtr doc; if (argc <= 2) { printf("Usage: %s docname, keyword\n", argv[0]); return(0); } docname = argv[1]; keyword = argv[2]; doc = parseDoc (docname, keyword); if (doc != NULL) { xmlSaveFormatFile (docname, doc, 0); xmlFreeDoc(doc); } return (1); } ]]>