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1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>H.�Code for Encoding Conversion 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="apg.html" title="G.�Code for Retrieving Attribute Value Example"><link rel="next" href="api.html" title="I.�Acknowledgements"></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">H.�Code for Encoding Conversion Example</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="apg.html">Prev</a>�</td><th width="60%" align="center">�</th><td width="20%" align="right">�<a accesskey="n" href="api.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>H.�Code for Encoding Conversion Example</h2></div></div><div></div></div><p>
2      </p><pre class="programlisting">
3#include &lt;string.h&gt;
4#include &lt;libxml/parser.h&gt;
5
6
7unsigned char*
8convert (unsigned char *in, char *encoding)
9{
10	unsigned char *out;
11        int ret,size,out_size,temp;
12        xmlCharEncodingHandlerPtr handler;
13
14        size = (int)strlen(in)+1;
15        out_size = size*2-1;
16        out = malloc((size_t)out_size);
17
18        if (out) {
19                handler = xmlFindCharEncodingHandler(encoding);
20
21                if (!handler) {
22                        free(out);
23                        out = NULL;
24                }
25        }
26        if (out) {
27                temp=size-1;
28                ret = handler-&gt;input(out, &amp;out_size, in, &amp;temp);
29                if (ret || temp-size+1) {
30                        if (ret) {
31                                printf("conversion wasn't successful.\n");
32                        } else {
33                                printf("conversion wasn't successful. converted: %i octets.\n",temp);
34                        }
35                        free(out);
36                        out = NULL;
37                } else {
38                        out = realloc(out,out_size+1);
39                        out[out_size]=0; /*null terminating out*/
40
41                }
42        } else {
43                printf("no mem\n");
44        }
45        return (out);
46}
47
48
49int
50main(int argc, char **argv) {
51
52	unsigned char *content, *out;
53	xmlDocPtr doc;
54	xmlNodePtr rootnode;
55	char *encoding = "ISO-8859-1";
56
57
58	if (argc &lt;= 1) {
59		printf("Usage: %s content\n", argv[0]);
60		return(0);
61	}
62
63	content = argv[1];
64
65	out = convert(content, encoding);
66
67	doc = xmlNewDoc ("1.0");
68	rootnode = xmlNewDocNode(doc, NULL, (const xmlChar*)"root", out);
69	xmlDocSetRootElement(doc, rootnode);
70
71	xmlSaveFormatFileEnc("-", doc, encoding, 1);
72	return (1);
73}
74
75</pre><p>
76    </p></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="apg.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="api.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">G.�Code for Retrieving Attribute Value Example�</td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top">�I.�Acknowledgements</td></tr></table></div></body></html>
77