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| <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>E. Code for Retrieving Attribute Value Example</title><meta name="generator" content="DocBook XSL Stylesheets V1.50.0"><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 Add Attribute Example"><link rel="next" href="apf.html" title="F. Code for Encoding Conversion 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 Retrieving Attribute Value 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"><h2 class="title" style="clear: both"><a name="getattributeappendix"></a>E. Code for Retrieving Attribute Value Example</h2><p> |
| <pre class="programlisting"> |
| #include <stdio.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include <libxml/xmlmemory.h> |
| #include <libxml/parser.h> |
| |
| void |
| getReference (xmlDocPtr doc, xmlNodePtr cur) { |
| |
| xmlChar *uri; |
| cur = cur->xmlChildrenNode; |
| while (cur != NULL) { |
| if ((!xmlStrcmp(cur->name, (const xmlChar *)"reference"))) { |
| uri = xmlGetProp(cur, "uri"); |
| printf("uri: %s\n", uri); |
| xmlFree(uri); |
| } |
| cur = cur->next; |
| } |
| return; |
| } |
| |
| |
| void |
| parseDoc(char *docname) { |
| |
| xmlDocPtr doc; |
| xmlNodePtr cur; |
| |
| doc = xmlParseFile(docname); |
| |
| if (doc == NULL ) { |
| fprintf(stderr,"Document not parsed successfully. \n"); |
| return; |
| } |
| |
| cur = xmlDocGetRootElement(doc); |
| |
| if (cur == NULL) { |
| fprintf(stderr,"empty document\n"); |
| xmlFreeDoc(doc); |
| return; |
| } |
| |
| if (xmlStrcmp(cur->name, (const xmlChar *) "story")) { |
| fprintf(stderr,"document of the wrong type, root node != story"); |
| xmlFreeDoc(doc); |
| return; |
| } |
| |
| getReference (doc, cur); |
| xmlFreeDoc(doc); |
| return; |
| } |
| |
| int |
| main(int argc, char **argv) { |
| |
| char *docname; |
| |
| if (argc <= 1) { |
| printf("Usage: %s docname\n", argv[0]); |
| return(0); |
| } |
| |
| docname = argv[1]; |
| parseDoc (docname); |
| |
| return (1); |
| } |
| |
| </pre> |
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