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<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>F. Code for Add Attribute 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="ape.html" title="E. Code for Add Keyword Example"><link rel="next" href="apg.html" title="G. Code for Retrieving Attribute Value Example"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">F. Code for Add Attribute Example
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <libxml/xmlmemory.h>
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#include <libxml/parser.h>
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xmlDocPtr
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parseDoc(char *docname, char *uri) {
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xmlDocPtr doc;
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xmlNodePtr cur;
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xmlNodePtr newnode;
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xmlAttrPtr newattr;
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doc = xmlParseFile(docname);
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if (doc == NULL ) {
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fprintf(stderr,"Document not parsed successfully. \n");
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return (NULL);
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}
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cur = xmlDocGetRootElement(doc);
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if (cur == NULL) {
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fprintf(stderr,"empty document\n");
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xmlFreeDoc(doc);
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return (NULL);
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}
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if (xmlStrcmp(cur->name, (const xmlChar *) "story")) {
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fprintf(stderr,"document of the wrong type, root node != story");
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xmlFreeDoc(doc);
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return (NULL);
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}
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newnode = xmlNewTextChild (cur, NULL, "reference", NULL);
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newattr = xmlNewProp (newnode, "uri", uri);
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return(doc);
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}
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int
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main(int argc, char **argv) {
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char *docname;
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char *uri;
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xmlDocPtr doc;
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if (argc <= 2) {
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printf("Usage: %s docname, uri\n", argv[0]);
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return(0);
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}
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docname = argv[1];
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uri = argv[2];
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doc = parseDoc (docname, uri);
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if (doc != NULL) {
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xmlSaveFormatFile (docname, doc, 1);
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xmlFreeDoc(doc);
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}
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return (1);
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}
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</body></html>
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