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1 <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>E.�Code for Add Keyword Example</title><meta name="generator" content="DocBook XSL Stylesheets V1.61.2"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="up" href="index.html" title="Libxml Tutorial"><link rel="previous" href="apd.html" title="D.�Code for XPath Example"><link rel="next" href="apf.html" title="F.�Code for Add Attribute Example"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">E.�Code for Add Keyword Example</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="apd.html">Prev</a>�</td><th width="60%" align="center">�</th><td width="20%" align="right">�<a accesskey="n" href="apf.html">Next</a></td></tr></table><hr></div><div class="appendix" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="addkeywordappendix"></a>E.�Code for Add Keyword Example</h2></div></div><div></div></div><p> 2 </p><pre class="programlisting"> 3 #include <stdio.h> 4 #include <string.h> 5 #include <stdlib.h> 6 #include <libxml/xmlmemory.h> 7 #include <libxml/parser.h> 8 9 void 10 parseStory (xmlDocPtr doc, xmlNodePtr cur, char *keyword) { 11 12 xmlNewTextChild (cur, NULL, "keyword", keyword); 13 return; 14 } 15 16 xmlDocPtr 17 parseDoc(char *docname, char *keyword) { 18 19 xmlDocPtr doc; 20 xmlNodePtr cur; 21 22 doc = xmlParseFile(docname); 23 24 if (doc == NULL ) { 25 fprintf(stderr,"Document not parsed successfully. \n"); 26 return (NULL); 27 } 28 29 cur = xmlDocGetRootElement(doc); 30 31 if (cur == NULL) { 32 fprintf(stderr,"empty document\n"); 33 xmlFreeDoc(doc); 34 return (NULL); 35 } 36 37 if (xmlStrcmp(cur->name, (const xmlChar *) "story")) { 38 fprintf(stderr,"document of the wrong type, root node != story"); 39 xmlFreeDoc(doc); 40 return (NULL); 41 } 42 43 cur = cur->xmlChildrenNode; 44 while (cur != NULL) { 45 if ((!xmlStrcmp(cur->name, (const xmlChar *)"storyinfo"))){ 46 parseStory (doc, cur, keyword); 47 } 48 49 cur = cur->next; 50 } 51 return(doc); 52 } 53 54 int 55 main(int argc, char **argv) { 56 57 char *docname; 58 char *keyword; 59 xmlDocPtr doc; 60 61 if (argc <= 2) { 62 printf("Usage: %s docname, keyword\n", argv[0]); 63 return(0); 64 } 65 66 docname = argv[1]; 67 keyword = argv[2]; 68 doc = parseDoc (docname, keyword); 69 if (doc != NULL) { 70 xmlSaveFormatFile (docname, doc, 0); 71 xmlFreeDoc(doc); 72 } 73 74 return (1); 75 } 76 77 </pre><p> 78 </p></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="apd.html">Prev</a>�</td><td width="20%" align="center"><a accesskey="u" href="index.html">Up</a></td><td width="40%" align="right">�<a accesskey="n" href="apf.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">D.�Code for XPath Example�</td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top">�F.�Code for Add Attribute Example</td></tr></table></div></body></html>