xmltutorial.xml xmltutorial.pdf *.html add appendix on generating compiler


Fri Apr 25 21:52:33 MDT 2003 John Fleck <jfleck@inkstain.net>

	* doc/tutorial:
	xmltutorial.xml
	xmltutorial.pdf
	*.html
	add appendix on generating compiler flags, more indexing
diff --git a/doc/tutorial/apf.html b/doc/tutorial/apf.html
index 6a69719..226eb3f 100644
--- a/doc/tutorial/apf.html
+++ b/doc/tutorial/apf.html
@@ -1,77 +1,76 @@
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
-<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>
+<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>F. Code for Retrieving Attribute Value 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 Add Attribute Example"><link rel="next" href="apg.html" title="G. 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">F. Code for Retrieving Attribute Value 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="apg.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>F. Code for Retrieving Attribute Value Example</h2></div></div><div></div></div><p>
       </p><pre class="programlisting">
+#include &lt;stdio.h&gt;
 #include &lt;string.h&gt;
+#include &lt;stdlib.h&gt;
+#include &lt;libxml/xmlmemory.h&gt;
 #include &lt;libxml/parser.h&gt;
 
+void
+getReference (xmlDocPtr doc, xmlNodePtr cur) {
 
-unsigned char*
-convert (unsigned char *in, char *encoding)
-{
-	unsigned char *out;
-        int ret,size,out_size,temp;
-        xmlCharEncodingHandlerPtr handler;
+	xmlChar *uri;
+	cur = cur-&gt;xmlChildrenNode;
+	while (cur != NULL) {
+	    if ((!xmlStrcmp(cur-&gt;name, (const xmlChar *)&quot;reference&quot;))) {
+		    uri = xmlGetProp(cur, &quot;uri&quot;);
+		    printf(&quot;uri: %s\n&quot;, uri);
+		    xmlFree(uri);
+	    }
+	    cur = cur-&gt;next;
+	}
+	return;
+}
 
-        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-&gt;input(out, &amp;out_size, in, &amp;temp);
-                if (ret || temp-size+1) {
-                        if (ret) {
-                                printf(&quot;conversion wasn't successful.\n&quot;);
-                        } else {
-                                printf(&quot;conversion wasn't successful. converted: %i octets.\n&quot;,temp);
-                        }
-                        free(out);
-                        out = NULL;
-                } else {
-                        out = realloc(out,out_size+1); 
-                        out[out_size]=0; /*null terminating out*/
-                        
-                }
-        } else {
-                printf(&quot;no mem\n&quot;);
-        }
-        return (out);
-}	
+void
+parseDoc(char *docname) {
 
+	xmlDocPtr doc;
+	xmlNodePtr cur;
+
+	doc = xmlParseFile(docname);
+	
+	if (doc == NULL ) {
+		fprintf(stderr,&quot;Document not parsed successfully. \n&quot;);
+		return;
+	}
+	
+	cur = xmlDocGetRootElement(doc);
+	
+	if (cur == NULL) {
+		fprintf(stderr,&quot;empty document\n&quot;);
+		xmlFreeDoc(doc);
+		return;
+	}
+	
+	if (xmlStrcmp(cur-&gt;name, (const xmlChar *) &quot;story&quot;)) {
+		fprintf(stderr,&quot;document of the wrong type, root node != story&quot;);
+		xmlFreeDoc(doc);
+		return;
+	}
+	
+	getReference (doc, cur);
+	xmlFreeDoc(doc);
+	return;
+}
 
 int
 main(int argc, char **argv) {
 
-	unsigned char *content, *out;
-	xmlDocPtr doc;
-	xmlNodePtr rootnode;
-	char *encoding = &quot;ISO-8859-1&quot;;
-	
-		
+	char *docname;
+
 	if (argc &lt;= 1) {
-		printf(&quot;Usage: %s content\n&quot;, argv[0]);
+		printf(&quot;Usage: %s docname\n&quot;, argv[0]);
 		return(0);
 	}
 
-	content = argv[1];
-
-	out = convert(content, encoding);
-
-	doc = xmlNewDoc (&quot;1.0&quot;);
-	rootnode = xmlNewDocNode(doc, NULL, (const xmlChar*)&quot;root&quot;, out);
-	xmlDocSetRootElement(doc, rootnode);
-
-	xmlSaveFormatFileEnc(&quot;-&quot;, doc, encoding, 1);
+	docname = argv[1];
+	parseDoc (docname);
+	
 	return (1);
 }
 
 </pre><p>
-    </p></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="ape.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="ix01.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">E. 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"> Index</td></tr></table></div></body></html>
+    </p></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="ape.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="apg.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">E. 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"> G. Code for Encoding Conversion Example</td></tr></table></div></body></html>