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| <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>F. Code for Encoding Conversion Example</title><meta name="generator" content="DocBook XSL Stylesheets V1.60.1"><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 Retrieving Attribute Value Example"><link rel="next" href="ix01.html" title="Index"></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">F. Code for Encoding Conversion Example</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ape.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="ix01.html">Next</a></td></tr></table><hr></div><div class="appendix" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="convertappendix"></a>F. Code for Encoding Conversion Example</h2></div></div><div></div></div><p> |
| </p><pre class="programlisting"> |
| #include <string.h> |
| #include <libxml/parser.h> |
| |
| |
| unsigned char* |
| convert (unsigned char *in, char *encoding) |
| { |
| unsigned char *out; |
| int ret,size,out_size,temp; |
| xmlCharEncodingHandlerPtr handler; |
| |
| size = (int)strlen(in)+1; |
| out_size = size*2-1; |
| out = malloc((size_t)out_size); |
| |
| if (out) { |
| handler = xmlFindCharEncodingHandler(encoding); |
| |
| if (!handler) { |
| free(out); |
| out = NULL; |
| } |
| } |
| if (out) { |
| temp=size-1; |
| ret = handler->input(out, &out_size, in, &temp); |
| if (ret || temp-size+1) { |
| if (ret) { |
| printf("conversion wasn't successful.\n"); |
| } else { |
| printf("conversion wasn't successful. converted: %i octets.\n",temp); |
| } |
| free(out); |
| out = NULL; |
| } else { |
| out = realloc(out,out_size+1); |
| out[out_size]=0; /*null terminating out*/ |
| |
| } |
| } else { |
| printf("no mem\n"); |
| } |
| return (out); |
| } |
| |
| |
| int |
| main(int argc, char **argv) { |
| |
| unsigned char *content, *out; |
| xmlDocPtr doc; |
| xmlNodePtr rootnode; |
| char *encoding = "ISO-8859-1"; |
| |
| |
| if (argc <= 1) { |
| printf("Usage: %s content\n", argv[0]); |
| return(0); |
| } |
| |
| content = argv[1]; |
| |
| out = convert(content, encoding); |
| |
| doc = xmlNewDoc ("1.0"); |
| rootnode = xmlNewDocNode(doc, NULL, (const xmlChar*)"root", out); |
| xmlDocSetRootElement(doc, rootnode); |
| |
| xmlSaveFormatFileEnc("-", doc, encoding, 1); |
| return (1); |
| } |
| |
| </pre><p> |
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