File: //usr/share/doc/libxml2-devel/tutorial/ape.html
<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>
</p><pre class="programlisting">
#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);
}
</pre><p>
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