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1 <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>G.�Code for Retrieving Attribute Value 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="apf.html" title="F.�Code for Add Attribute Example"><link rel="next" href="aph.html" title="H.�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">G.�Code for Retrieving Attribute Value Example</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="apf.html">Prev</a>�</td><th width="60%" align="center">�</th><td width="20%" align="right">�<a accesskey="n" href="aph.html">Next</a></td></tr></table><hr></div><div class="appendix" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="getattributeappendix"></a>G.�Code for Retrieving Attribute Value 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 getReference (xmlDocPtr doc, xmlNodePtr cur) { 11 12 xmlChar *uri; 13 cur = cur->xmlChildrenNode; 14 while (cur != NULL) { 15 if ((!xmlStrcmp(cur->name, (const xmlChar *)"reference"))) { 16 uri = xmlGetProp(cur, "uri"); 17 printf("uri: %s\n", uri); 18 xmlFree(uri); 19 } 20 cur = cur->next; 21 } 22 return; 23 } 24 25 26 void 27 parseDoc(char *docname) { 28 29 xmlDocPtr doc; 30 xmlNodePtr cur; 31 32 doc = xmlParseFile(docname); 33 34 if (doc == NULL ) { 35 fprintf(stderr,"Document not parsed successfully. \n"); 36 return; 37 } 38 39 cur = xmlDocGetRootElement(doc); 40 41 if (cur == NULL) { 42 fprintf(stderr,"empty document\n"); 43 xmlFreeDoc(doc); 44 return; 45 } 46 47 if (xmlStrcmp(cur->name, (const xmlChar *) "story")) { 48 fprintf(stderr,"document of the wrong type, root node != story"); 49 xmlFreeDoc(doc); 50 return; 51 } 52 53 getReference (doc, cur); 54 xmlFreeDoc(doc); 55 return; 56 } 57 58 int 59 main(int argc, char **argv) { 60 61 char *docname; 62 63 if (argc <= 1) { 64 printf("Usage: %s docname\n", argv[0]); 65 return(0); 66 } 67 68 docname = argv[1]; 69 parseDoc (docname); 70 71 return (1); 72 } 73 74 </pre><p> 75 </p></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="apf.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="aph.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">F.�Code for Add Attribute Example�</td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top">�H.�Code for Encoding Conversion Example</td></tr></table></div></body></html>