| 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>
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| 2 | </p><pre class="programlisting">
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| 3 | #include <stdio.h>
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| 4 | #include <string.h>
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| 5 | #include <stdlib.h>
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| 6 | #include <libxml/xmlmemory.h>
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| 7 | #include <libxml/parser.h>
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| 8 |
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| 9 | void
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| 10 | parseStory (xmlDocPtr doc, xmlNodePtr cur, char *keyword) {
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| 11 |
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| 12 | xmlNewTextChild (cur, NULL, "keyword", keyword);
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| 13 | return;
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| 14 | }
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| 15 |
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| 16 | xmlDocPtr
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| 17 | parseDoc(char *docname, char *keyword) {
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| 18 |
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| 19 | xmlDocPtr doc;
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| 20 | xmlNodePtr cur;
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| 21 |
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| 22 | doc = xmlParseFile(docname);
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| 23 |
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| 24 | if (doc == NULL ) {
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| 25 | fprintf(stderr,"Document not parsed successfully. \n");
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| 26 | return (NULL);
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| 27 | }
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| 28 |
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| 29 | cur = xmlDocGetRootElement(doc);
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| 30 |
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| 31 | if (cur == NULL) {
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| 32 | fprintf(stderr,"empty document\n");
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| 33 | xmlFreeDoc(doc);
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| 34 | return (NULL);
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| 35 | }
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| 36 |
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| 37 | if (xmlStrcmp(cur->name, (const xmlChar *) "story")) {
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| 38 | fprintf(stderr,"document of the wrong type, root node != story");
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| 39 | xmlFreeDoc(doc);
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| 40 | return (NULL);
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| 41 | }
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| 42 |
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| 43 | cur = cur->xmlChildrenNode;
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| 44 | while (cur != NULL) {
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| 45 | if ((!xmlStrcmp(cur->name, (const xmlChar *)"storyinfo"))){
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| 46 | parseStory (doc, cur, keyword);
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| 47 | }
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| 48 |
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| 49 | cur = cur->next;
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| 50 | }
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| 51 | return(doc);
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| 52 | }
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| 53 |
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| 54 | int
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| 55 | main(int argc, char **argv) {
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| 56 |
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| 57 | char *docname;
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| 58 | char *keyword;
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| 59 | xmlDocPtr doc;
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| 60 |
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| 61 | if (argc <= 2) {
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| 62 | printf("Usage: %s docname, keyword\n", argv[0]);
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| 63 | return(0);
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| 64 | }
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| 65 |
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| 66 | docname = argv[1];
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| 67 | keyword = argv[2];
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| 68 | doc = parseDoc (docname, keyword);
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| 69 | if (doc != NULL) {
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| 70 | xmlSaveFormatFile (docname, doc, 0);
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| 71 | xmlFreeDoc(doc);
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| 72 | }
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| 73 |
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| 74 | return (1);
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| 75 | }
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| 76 |
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| 77 | </pre><p>
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| 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>
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