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doc/tutorial/includeaddattribute.c doc/tutorial/includeaddkeyword.c

Browse Source 
Sat Aug 31 19:31:17 MDT 2002 John Fleck <jfleck@inkstain.net>

	* doc/tutorial/includeaddattribute.c
	* doc/tutorial/includeaddkeyword.c
	* doc/tutorial/includegetattribute.c
	* doc/tutorial/includekeyword.c
	* doc/tutorial/xmltutorial.xml
	* doc/tutorial/*.html
	update tutorial to properly free memory (thanks to Christopher
	R. Harris for pointing out that this needs to be done)
	* doc/tutorial/images/callouts/*.png
	added image files so the callouts are graphical, making it
	easier to read ( use "--param callout.graphics 1" to generate
	html with graphical callouts)
This commit is contained in:
MDT 2002 John Fleck
2002-09-01 01:37:11 +00:00
committed by John Fleck
parent 8f40f1e659
commit 77e4d358c6
28 changed files with 47 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
ChangeLog
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@ -1,3 +1,18 @@
Sat Aug 31 19:31:17 MDT 2002 John Fleck <jfleck@inkstain.net>
* doc/tutorial/includeaddattribute.c
* doc/tutorial/includeaddkeyword.c
* doc/tutorial/includegetattribute.c
* doc/tutorial/includekeyword.c
* doc/tutorial/xmltutorial.xml
* doc/tutorial/*.html
update tutorial to properly free memory (thanks to Christopher
R. Harris for pointing out that this needs to be done)
* doc/tutorial/images/callouts/*.png
added image files so the callouts are graphical, making it
easier to read ( use "--param callout.graphics 1" to generate
html with graphical callouts)
Wed Aug 28 13:44:54 CEST 2002 Daniel Veillard <daniel@veillard.com> Wed Aug 28 13:44:54 CEST 2002 Daniel Veillard <daniel@veillard.com>
* doc/Libxml2-Logo-180x168.gif doc/Libxml2-Logo-90x34.gif: * doc/Libxml2-Logo-180x168.gif doc/Libxml2-Logo-90x34.gif:

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doc/tutorial/apa.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html><head><meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type"><title>A. Sample Document</title><meta name="generator" content="DocBook XSL Stylesheets V1.48"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="up" href="index.html" title="Libxml Tutorial"><link rel="previous" href="ar01s07.html" title="Retrieving Attributes"><link rel="next" href="apb.html" title="B. Code for Keyword 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">A. Sample Document</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ar01s07.html">Prev</a><EFBFBD></td><th width="60%" align="center"><EFBFBD></th><td width="20%" align="right"><EFBFBD><a accesskey="n" href="apb.html">Next</a></td></tr></table><hr></div><div class="appendix"><h2 class="title" style="clear: both"><a name="sampledoc"></a>A. Sample Document</h2><pre class="programlisting"> <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>A. Sample Document</title><meta name="generator" content="DocBook XSL Stylesheets V1.48"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="up" href="index.html" title="Libxml Tutorial"><link rel="previous" href="ar01s07.html" title="Retrieving Attributes"><link rel="next" href="apb.html" title="B. Code for Keyword 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">A. Sample Document</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ar01s07.html">Prev</a><EFBFBD></td><th width="60%" align="center"><EFBFBD></th><td width="20%" align="right"><EFBFBD><a accesskey="n" href="apb.html">Next</a></td></tr></table><hr></div><div class="appendix"><h2 class="title" style="clear: both"><a name="sampledoc"></a>A. Sample Document</h2><pre class="programlisting">
&lt;?xml version=&quot;1.0&quot;?&gt; &lt;?xml version=&quot;1.0&quot;?&gt;
&lt;story&gt; &lt;story&gt;
&lt;storyinfo&gt; &lt;storyinfo&gt;

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doc/tutorial/apb.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html><head><meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type"><title>B. Code for Keyword Example</title><meta name="generator" content="DocBook XSL Stylesheets V1.48"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="up" href="index.html" title="Libxml Tutorial"><link rel="previous" href="apa.html" title="A. Sample Document"><link rel="next" href="apc.html" title="C. Code for Add Keyword 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">B. Code for Keyword Example</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="apa.html">Prev</a><EFBFBD></td><th width="60%" align="center"><EFBFBD></th><td width="20%" align="right"><EFBFBD><a accesskey="n" href="apc.html">Next</a></td></tr></table><hr></div><div class="appendix"><h2 class="title" style="clear: both"><a name="keywordappendix"></a>B. Code for Keyword Example</h2><p> <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>B. Code for Keyword Example</title><meta name="generator" content="DocBook XSL Stylesheets V1.48"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="up" href="index.html" title="Libxml Tutorial"><link rel="previous" href="apa.html" title="A. Sample Document"><link rel="next" href="apc.html" title="C. Code for Add Keyword 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">B. Code for Keyword Example</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="apa.html">Prev</a><EFBFBD></td><th width="60%" align="center"><EFBFBD></th><td width="20%" align="right"><EFBFBD><a accesskey="n" href="apc.html">Next</a></td></tr></table><hr></div><div class="appendix"><h2 class="title" style="clear: both"><a name="keywordappendix"></a>B. Code for Keyword Example</h2><p>
<pre class="programlisting"> <pre class="programlisting">
#include &lt;stdio.h&gt; #include &lt;stdio.h&gt;
#include &lt;string.h&gt; #include &lt;string.h&gt;
@ -55,7 +55,9 @@ parseDoc(char *docname) {
cur = cur-&gt;next; cur = cur-&gt;next;
} }
xmlFreeDoc(doc);
return;
} }
int int

5
doc/tutorial/apc.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html><head><meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type"><title>C. Code for Add Keyword Example</title><meta name="generator" content="DocBook XSL Stylesheets V1.48"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="up" href="index.html" title="Libxml Tutorial"><link rel="previous" href="apb.html" title="B. Code for Keyword Example"><link rel="next" href="apd.html" title="D. Code for Add Attribute 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">C. Code for Add Keyword Example</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="apb.html">Prev</a><EFBFBD></td><th width="60%" align="center"><EFBFBD></th><td width="20%" align="right"><EFBFBD><a accesskey="n" href="apd.html">Next</a></td></tr></table><hr></div><div class="appendix"><h2 class="title" style="clear: both"><a name="addkeywordappendix"></a>C. Code for Add Keyword Example</h2><p> <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>C. Code for Add Keyword Example</title><meta name="generator" content="DocBook XSL Stylesheets V1.48"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="up" href="index.html" title="Libxml Tutorial"><link rel="previous" href="apb.html" title="B. Code for Keyword Example"><link rel="next" href="apd.html" title="D. Code for Add Attribute 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">C. Code for Add Keyword Example</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="apb.html">Prev</a><EFBFBD></td><th width="60%" align="center"><EFBFBD></th><td width="20%" align="right"><EFBFBD><a accesskey="n" href="apd.html">Next</a></td></tr></table><hr></div><div class="appendix"><h2 class="title" style="clear: both"><a name="addkeywordappendix"></a>C. Code for Add Keyword Example</h2><p>
<pre class="programlisting"> <pre class="programlisting">
#include &lt;stdio.h&gt; #include &lt;stdio.h&gt;
#include &lt;string.h&gt; #include &lt;string.h&gt;
@ -24,6 +24,7 @@ parseDoc(char *docname, char *keyword) {
if (doc == NULL ) { if (doc == NULL ) {
fprintf(stderr,&quot;Document not parsed successfully. \n&quot;); fprintf(stderr,&quot;Document not parsed successfully. \n&quot;);
xmlFreeDoc(doc);
return (NULL); return (NULL);
} }
@ -69,7 +70,9 @@ main(int argc, char **argv) {
doc = parseDoc (docname, keyword); doc = parseDoc (docname, keyword);
if (doc != NULL) { if (doc != NULL) {
xmlSaveFormatFile (docname, doc, 0); xmlSaveFormatFile (docname, doc, 0);
xmlFreeDoc(doc);
} }
return (1); return (1);
} }

3
doc/tutorial/apd.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html><head><meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type"><title>D. Code for Add Attribute Example</title><meta name="generator" content="DocBook XSL Stylesheets V1.48"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="up" href="index.html" title="Libxml Tutorial"><link rel="previous" href="apc.html" title="C. Code for Add Keyword Example"><link rel="next" href="ape.html" title="E. Code for Retrieving Attribute Value 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">D. Code for Add Attribute Example</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="apc.html">Prev</a><EFBFBD></td><th width="60%" align="center"><EFBFBD></th><td width="20%" align="right"><EFBFBD><a accesskey="n" href="ape.html">Next</a></td></tr></table><hr></div><div class="appendix"><h2 class="title" style="clear: both"><a name="addattributeappendix"></a>D. Code for Add Attribute Example</h2><p> <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>D. Code for Add Attribute Example</title><meta name="generator" content="DocBook XSL Stylesheets V1.48"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="up" href="index.html" title="Libxml Tutorial"><link rel="previous" href="apc.html" title="C. Code for Add Keyword Example"><link rel="next" href="ape.html" title="E. Code for Retrieving Attribute Value 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">D. Code for Add Attribute Example</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="apc.html">Prev</a><EFBFBD></td><th width="60%" align="center"><EFBFBD></th><td width="20%" align="right"><EFBFBD><a accesskey="n" href="ape.html">Next</a></td></tr></table><hr></div><div class="appendix"><h2 class="title" style="clear: both"><a name="addattributeappendix"></a>D. Code for Add Attribute Example</h2><p>
<pre class="programlisting"> <pre class="programlisting">
#include &lt;stdio.h&gt; #include &lt;stdio.h&gt;
#include &lt;string.h&gt; #include &lt;string.h&gt;
@ -59,6 +59,7 @@ main(int argc, char **argv) {
doc = parseDoc (docname, uri); doc = parseDoc (docname, uri);
if (doc != NULL) { if (doc != NULL) {
xmlSaveFormatFile (docname, doc, 1); xmlSaveFormatFile (docname, doc, 1);
xmlFreeDoc(doc);
} }
return (1); return (1);
} }

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html><head><meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type"><title>E. Code for Retrieving Attribute Value Example</title><meta name="generator" content="DocBook XSL Stylesheets V1.48"><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"></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><EFBFBD></td><th width="60%" align="center"><EFBFBD></th><td width="20%" align="right"><EFBFBD></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> <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 V1.48"><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"></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><EFBFBD></td><th width="60%" align="center"><EFBFBD></th><td width="20%" align="right"><EFBFBD></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"> <pre class="programlisting">
#include &lt;stdio.h&gt; #include &lt;stdio.h&gt;
#include &lt;string.h&gt; #include &lt;string.h&gt;
@ -49,7 +49,7 @@ parseDoc(char *docname) {
} }
getReference (doc, cur); getReference (doc, cur);
xmlFreeDoc(doc);
return; return;
} }

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doc/tutorial/ar01s02.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html><head><meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type"><title>Data Types</title><meta name="generator" content="DocBook XSL Stylesheets V1.48"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="up" href="index.html" title="Libxml Tutorial"><link rel="previous" href="index.html" title="Libxml Tutorial"><link rel="next" href="ar01s03.html" title="Parsing the file"></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">Data Types</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="index.html">Prev</a><EFBFBD></td><th width="60%" align="center"><EFBFBD></th><td width="20%" align="right"><EFBFBD><a accesskey="n" href="ar01s03.html">Next</a></td></tr></table><hr></div><div class="sect1"><div class="titlepage"><div><h2 class="title" style="clear: both"><a name="xmltutorialdatatypes"></a>Data Types</h2></div></div><p>Libxml declares a number of datatypes we <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Data Types</title><meta name="generator" content="DocBook XSL Stylesheets V1.48"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="up" href="index.html" title="Libxml Tutorial"><link rel="previous" href="index.html" title="Libxml Tutorial"><link rel="next" href="ar01s03.html" title="Parsing the file"></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">Data Types</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="index.html">Prev</a><EFBFBD></td><th width="60%" align="center"><EFBFBD></th><td width="20%" align="right"><EFBFBD><a accesskey="n" href="ar01s03.html">Next</a></td></tr></table><hr></div><div class="sect1"><div class="titlepage"><div><h2 class="title" style="clear: both"><a name="xmltutorialdatatypes"></a>Data Types</h2></div></div><p>Libxml declares a number of datatypes we
will encounter repeatedly, hiding the messy stuff so you do not have to deal will encounter repeatedly, hiding the messy stuff so you do not have to deal
with it unless you have some specific need.</p><p> with it unless you have some specific need.</p><p>
<div class="variablelist"><dl><dt><span class="term"><a href="http://xmlsoft.org/html/libxml-tree.html#XMLCHAR" target="_top">xmlChar</a></span></dt><dd><p>A basic replacement for char, a byte in a UTF-8 encoded <div class="variablelist"><dl><dt><span class="term"><a href="http://xmlsoft.org/html/libxml-tree.html#XMLCHAR" target="_top">xmlChar</a></span></dt><dd><p>A basic replacement for char, a byte in a UTF-8 encoded

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doc/tutorial/ar01s03.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html><head><meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type"><title>Parsing the file</title><meta name="generator" content="DocBook XSL Stylesheets V1.48"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="up" href="index.html" title="Libxml Tutorial"><link rel="previous" href="ar01s02.html" title="Data Types"><link rel="next" href="ar01s04.html" title="Retrieving Element Content"></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">Parsing the file</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ar01s02.html">Prev</a><EFBFBD></td><th width="60%" align="center"><EFBFBD></th><td width="20%" align="right"><EFBFBD><a accesskey="n" href="ar01s04.html">Next</a></td></tr></table><hr></div><div class="sect1"><div class="titlepage"><div><h2 class="title" style="clear: both"><a name="xmltutorialparsing"></a>Parsing the file</h2></div></div><p>Parsing the file requires only the name of the file and a single <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Parsing the file</title><meta name="generator" content="DocBook XSL Stylesheets V1.48"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="up" href="index.html" title="Libxml Tutorial"><link rel="previous" href="ar01s02.html" title="Data Types"><link rel="next" href="ar01s04.html" title="Retrieving Element Content"></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">Parsing the file</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ar01s02.html">Prev</a><EFBFBD></td><th width="60%" align="center"><EFBFBD></th><td width="20%" align="right"><EFBFBD><a accesskey="n" href="ar01s04.html">Next</a></td></tr></table><hr></div><div class="sect1"><div class="titlepage"><div><h2 class="title" style="clear: both"><a name="xmltutorialparsing"></a>Parsing the file</h2></div></div><p>Parsing the file requires only the name of the file and a single
function call, plus error checking. Full code: <a href="apb.html" title="B. Code for Keyword Example">Appendix B</a></p><p> function call, plus error checking. Full code: <a href="apb.html" title="B. Code for Keyword Example">Appendix B</a></p><p>
<pre class="programlisting"> <pre class="programlisting">
<a name="declaredoc"></a><img src="images/callouts/1.png" alt="1" border="0"> xmlDocPtr doc; <a name="declaredoc"></a><img src="images/callouts/1.png" alt="1" border="0"> xmlDocPtr doc;

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html><head><meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type"><title>Retrieving Element Content</title><meta name="generator" content="DocBook XSL Stylesheets V1.48"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="up" href="index.html" title="Libxml Tutorial"><link rel="previous" href="ar01s03.html" title="Parsing the file"><link rel="next" href="ar01s05.html" title="Writing element content"></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">Retrieving Element Content</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ar01s03.html">Prev</a><EFBFBD></td><th width="60%" align="center"><EFBFBD></th><td width="20%" align="right"><EFBFBD><a accesskey="n" href="ar01s05.html">Next</a></td></tr></table><hr></div><div class="sect1"><div class="titlepage"><div><h2 class="title" style="clear: both"><a name="xmltutorialgettext"></a>Retrieving Element Content</h2></div></div><p>Retrieving the content of an element involves traversing the document <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Retrieving Element Content</title><meta name="generator" content="DocBook XSL Stylesheets V1.48"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="up" href="index.html" title="Libxml Tutorial"><link rel="previous" href="ar01s03.html" title="Parsing the file"><link rel="next" href="ar01s05.html" title="Writing element content"></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">Retrieving Element Content</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ar01s03.html">Prev</a><EFBFBD></td><th width="60%" align="center"><EFBFBD></th><td width="20%" align="right"><EFBFBD><a accesskey="n" href="ar01s05.html">Next</a></td></tr></table><hr></div><div class="sect1"><div class="titlepage"><div><h2 class="title" style="clear: both"><a name="xmltutorialgettext"></a>Retrieving Element Content</h2></div></div><p>Retrieving the content of an element involves traversing the document
tree until you find what you are looking for. In this case, we are looking tree until you find what you are looking for. In this case, we are looking
for an element called &quot;keyword&quot; contained within element called &quot;story&quot;. The for an element called &quot;keyword&quot; contained within element called &quot;story&quot;. The
process to find the node we are interested in involves tediously walking the process to find the node we are interested in involves tediously walking the

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html><head><meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type"><title>Writing element content</title><meta name="generator" content="DocBook XSL Stylesheets V1.48"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="up" href="index.html" title="Libxml Tutorial"><link rel="previous" href="ar01s04.html" title="Retrieving Element Content"><link rel="next" href="ar01s06.html" title="Writing Attribute"></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">Writing element content</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ar01s04.html">Prev</a><EFBFBD></td><th width="60%" align="center"><EFBFBD></th><td width="20%" align="right"><EFBFBD><a accesskey="n" href="ar01s06.html">Next</a></td></tr></table><hr></div><div class="sect1"><div class="titlepage"><div><h2 class="title" style="clear: both"><a name="xmltutorialwritingcontent"></a>Writing element content</h2></div></div><p>Writing element content uses many of the same steps we used above <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Writing element content</title><meta name="generator" content="DocBook XSL Stylesheets V1.48"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="up" href="index.html" title="Libxml Tutorial"><link rel="previous" href="ar01s04.html" title="Retrieving Element Content"><link rel="next" href="ar01s06.html" title="Writing Attribute"></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">Writing element content</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ar01s04.html">Prev</a><EFBFBD></td><th width="60%" align="center"><EFBFBD></th><td width="20%" align="right"><EFBFBD><a accesskey="n" href="ar01s06.html">Next</a></td></tr></table><hr></div><div class="sect1"><div class="titlepage"><div><h2 class="title" style="clear: both"><a name="xmltutorialwritingcontent"></a>Writing element content</h2></div></div><p>Writing element content uses many of the same steps we used above
&#8212; parsing the document and walking the tree. We parse the document, &#8212; parsing the document and walking the tree. We parse the document,
then traverse the tree to find the place we want to insert our element. For then traverse the tree to find the place we want to insert our element. For
this example, we want to again find the &quot;storyinfo&quot; element and this example, we want to again find the &quot;storyinfo&quot; element and

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html><head><meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type"><title>Writing Attribute</title><meta name="generator" content="DocBook XSL Stylesheets V1.48"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="up" href="index.html" title="Libxml Tutorial"><link rel="previous" href="ar01s05.html" title="Writing element content"><link rel="next" href="ar01s07.html" title="Retrieving Attributes"></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">Writing Attribute</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ar01s05.html">Prev</a><EFBFBD></td><th width="60%" align="center"><EFBFBD></th><td width="20%" align="right"><EFBFBD><a accesskey="n" href="ar01s07.html">Next</a></td></tr></table><hr></div><div class="sect1"><div class="titlepage"><div><h2 class="title" style="clear: both"><a name="xmltutorialwritingattribute"></a>Writing Attribute</h2></div></div><p>Writing an attribute is similar to writing text to a new element. In <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Writing Attribute</title><meta name="generator" content="DocBook XSL Stylesheets V1.48"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="up" href="index.html" title="Libxml Tutorial"><link rel="previous" href="ar01s05.html" title="Writing element content"><link rel="next" href="ar01s07.html" title="Retrieving Attributes"></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">Writing Attribute</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ar01s05.html">Prev</a><EFBFBD></td><th width="60%" align="center"><EFBFBD></th><td width="20%" align="right"><EFBFBD><a accesskey="n" href="ar01s07.html">Next</a></td></tr></table><hr></div><div class="sect1"><div class="titlepage"><div><h2 class="title" style="clear: both"><a name="xmltutorialwritingattribute"></a>Writing Attribute</h2></div></div><p>Writing an attribute is similar to writing text to a new element. In
this case, we'll add a reference URI to our this case, we'll add a reference URI to our
document. Full code:<a href="apd.html" title="D. Code for Add Attribute Example">Appendix D</a>.</p><p> document. Full code:<a href="apd.html" title="D. Code for Add Attribute Example">Appendix D</a>.</p><p>
A <tt class="sgmltag-element">reference</tt> is a child of the <tt class="sgmltag-element">story</tt> A <tt class="sgmltag-element">reference</tt> is a child of the <tt class="sgmltag-element">story</tt>

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html><head><meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type"><title>Retrieving Attributes</title><meta name="generator" content="DocBook XSL Stylesheets V1.48"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="up" href="index.html" title="Libxml Tutorial"><link rel="previous" href="ar01s06.html" title="Writing Attribute"><link rel="next" href="apa.html" title="A. Sample Document"></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">Retrieving Attributes</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ar01s06.html">Prev</a><EFBFBD></td><th width="60%" align="center"><EFBFBD></th><td width="20%" align="right"><EFBFBD><a accesskey="n" href="apa.html">Next</a></td></tr></table><hr></div><div class="sect1"><div class="titlepage"><div><h2 class="title" style="clear: both"><a name="xmltutorialattribute"></a>Retrieving Attributes</h2></div></div><p>Retrieving the value of an attribute is similar to the previous <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Retrieving Attributes</title><meta name="generator" content="DocBook XSL Stylesheets V1.48"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="up" href="index.html" title="Libxml Tutorial"><link rel="previous" href="ar01s06.html" title="Writing Attribute"><link rel="next" href="apa.html" title="A. Sample Document"></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">Retrieving Attributes</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ar01s06.html">Prev</a><EFBFBD></td><th width="60%" align="center"><EFBFBD></th><td width="20%" align="right"><EFBFBD><a accesskey="n" href="apa.html">Next</a></td></tr></table><hr></div><div class="sect1"><div class="titlepage"><div><h2 class="title" style="clear: both"><a name="xmltutorialattribute"></a>Retrieving Attributes</h2></div></div><p>Retrieving the value of an attribute is similar to the previous
example in which we retrieved a node's text contents. In this case we'll example in which we retrieved a node's text contents. In this case we'll
extract the value of the URI we added in the previous extract the value of the URI we added in the previous
section. Full code: <a href="ape.html" title="E. Code for Retrieving Attribute Value Example">Appendix E</a>.</p><p> section. Full code: <a href="ape.html" title="E. Code for Retrieving Attribute Value Example">Appendix E</a>.</p><p>

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@ -57,6 +57,7 @@ main(int argc, char **argv) {
doc = parseDoc (docname, uri); doc = parseDoc (docname, uri);
if (doc != NULL) { if (doc != NULL) {
xmlSaveFormatFile (docname, doc, 1); xmlSaveFormatFile (docname, doc, 1);
xmlFreeDoc(doc);
} }
return (1); return (1);
} }

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@ -22,6 +22,7 @@ parseDoc(char *docname, char *keyword) {
if (doc == NULL ) { if (doc == NULL ) {
fprintf(stderr,"Document not parsed successfully. \n"); fprintf(stderr,"Document not parsed successfully. \n");
xmlFreeDoc(doc);
return (NULL); return (NULL);
} }
@ -67,7 +68,9 @@ main(int argc, char **argv) {
doc = parseDoc (docname, keyword); doc = parseDoc (docname, keyword);
if (doc != NULL) { if (doc != NULL) {
xmlSaveFormatFile (docname, doc, 0); xmlSaveFormatFile (docname, doc, 0);
xmlFreeDoc(doc);
} }
return (1); return (1);
} }
]]> ]]>

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@ -47,7 +47,7 @@ parseDoc(char *docname) {
} }
getReference (doc, cur); getReference (doc, cur);
xmlFreeDoc(doc);
return; return;
} }

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@ -53,7 +53,9 @@ parseDoc(char *docname) {
cur = cur->next; cur = cur->next;
} }
xmlFreeDoc(doc);
return;
} }
int int

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html><head><meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type"><title>Libxml Tutorial</title><meta name="generator" content="DocBook XSL Stylesheets V1.48"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="next" href="ar01s02.html" title="Data Types"></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">Libxml Tutorial</th></tr><tr><td width="20%" align="left"><EFBFBD></td><th width="60%" align="center"><EFBFBD></th><td width="20%" align="right"><EFBFBD><a accesskey="n" href="ar01s02.html">Next</a></td></tr></table><hr></div><div class="article"><div class="titlepage"><div><h1 class="title"><a name="id2755382"></a>Libxml Tutorial</h1></div><div><h3 class="author">John Fleck</h3></div><div><p class="copyright">Copyright <20> 2002 John Fleck</p></div><div><div class="revhistory"><table border="1" width="100%" summary="Revision history"><tr><th align="left" valign="top" colspan="2"><b>Revision History</b></th></tr><tr><td align="left">Revision 1</td><td align="left">June 4,2002</td></tr><tr><td align="left">Revision 2</td><td align="left">June 12, 2002</td></tr></table></div></div><hr></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><a href="index.html#introduction">Introduction</a></dt><dt><a href="ar01s02.html">Data Types</a></dt><dt><a href="ar01s03.html">Parsing the file</a></dt><dt><a href="ar01s04.html">Retrieving Element Content</a></dt><dt><a href="ar01s05.html">Writing element content</a></dt><dt><a href="ar01s06.html">Writing Attribute</a></dt><dt><a href="ar01s07.html">Retrieving Attributes</a></dt><dt>A. <a href="apa.html">Sample Document</a></dt><dt>B. <a href="apb.html">Code for Keyword Example</a></dt><dt>C. <a href="apc.html">Code for Add Keyword Example</a></dt><dt>D. <a href="apd.html">Code for Add Attribute Example</a></dt><dt>E. <a href="ape.html">Code for Retrieving Attribute Value Example</a></dt></dl></div><div class="abstract"><p><b>Abstract</b></p><p>Libxml is a freely licensed C language library for handling <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Libxml Tutorial</title><meta name="generator" content="DocBook XSL Stylesheets V1.48"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="next" href="ar01s02.html" title="Data Types"></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">Libxml Tutorial</th></tr><tr><td width="20%" align="left"><EFBFBD></td><th width="60%" align="center"><EFBFBD></th><td width="20%" align="right"><EFBFBD><a accesskey="n" href="ar01s02.html">Next</a></td></tr></table><hr></div><div class="article"><div class="titlepage"><div><h1 class="title"><a name="id2755940"></a>Libxml Tutorial</h1></div><div><h3 class="author">John Fleck</h3></div><div><p class="copyright">Copyright <20> 2002 John Fleck</p></div><div><div class="revhistory"><table border="1" width="100%" summary="Revision history"><tr><th align="left" valign="top" colspan="2"><b>Revision History</b></th></tr><tr><td align="left">Revision 1</td><td align="left">June 4,2002</td></tr><tr><td align="left">Revision 2</td><td align="left">June 12, 2002</td></tr><tr><td align="left">Revision 3</td><td align="left">Aug. 31, 2002</td></tr></table></div></div><hr></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><a href="index.html#introduction">Introduction</a></dt><dt><a href="ar01s02.html">Data Types</a></dt><dt><a href="ar01s03.html">Parsing the file</a></dt><dt><a href="ar01s04.html">Retrieving Element Content</a></dt><dt><a href="ar01s05.html">Writing element content</a></dt><dt><a href="ar01s06.html">Writing Attribute</a></dt><dt><a href="ar01s07.html">Retrieving Attributes</a></dt><dt>A. <a href="apa.html">Sample Document</a></dt><dt>B. <a href="apb.html">Code for Keyword Example</a></dt><dt>C. <a href="apc.html">Code for Add Keyword Example</a></dt><dt>D. <a href="apd.html">Code for Add Attribute Example</a></dt><dt>E. <a href="ape.html">Code for Retrieving Attribute Value Example</a></dt></dl></div><div class="abstract"><p><b>Abstract</b></p><p>Libxml is a freely licensed C language library for handling
XML, portable across a large number of platforms. This XML, portable across a large number of platforms. This
tutorial provides examples of its basic functions.</p></div><div class="sect1"><div class="titlepage"><div><h2 class="title" style="clear: both"><a name="introduction"></a>Introduction</h2></div></div><p>Libxml is a C language library implementing functions for reading, tutorial provides examples of its basic functions.</p></div><div class="sect1"><div class="titlepage"><div><h2 class="title" style="clear: both"><a name="introduction"></a>Introduction</h2></div></div><p>Libxml is a C language library implementing functions for reading,
creating and manipulating XML data. This tutorial creating and manipulating XML data. This tutorial

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@ -27,6 +27,10 @@
<revnumber>2</revnumber> <revnumber>2</revnumber>
<date>June 12, 2002</date> <date>June 12, 2002</date>
</revision> </revision>
<revision>
<revnumber>3</revnumber>
<date>Aug. 31, 2002</date>
</revision>
</revhistory> </revhistory>
</articleinfo> </articleinfo>
<abstract> <abstract>