src/cm/media/js/lib/yui/yui3.0.0/examples/dataschema/dataschema_xml.html
author Yves-Marie Haussonne <ymh.work+github@gmail.com>
Fri, 09 May 2014 18:35:26 +0200
changeset 656 a84519031134
parent 0 40c8f766c9b8
permissions -rw-r--r--
add link to "privacy policy" in the header test


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
	<title>YUI Library Examples: DataSchema Utility: DataSchema.XML for XML Data</title>
    <meta http-equiv="content-type" content="text/html; charset=utf-8">
    	<link rel="stylesheet" type="text/css" href="../../assets/yui.css" >

<style>
    /*Supplemental CSS for the YUI distribution*/
    #custom-doc { width: 95%; min-width: 950px; }
    #pagetitle {background-image: url(../../assets/bg_hd.gif);}
/*    #pagetitle h1 {background-image: url(../../assets/title_h_bg.gif);}*/
</style>

<link rel="stylesheet" type="text/css" href="../../assets/dpSyntaxHighlighter.css">
<link type="text/css" rel="stylesheet" href="../../build/cssfonts/fonts-min.css" />
<script type="text/javascript" src="../../build/yui/yui-min.js"></script>
<style type="text/css">
/* custom styles for this example */
#demo .output {margin-bottom:1em; padding:10px; border:1px solid #D9D9D9;}
</style>

</head>
<body id="yahoo-com" class=" yui-skin-sam">
<div id="custom-doc" class="yui-t2">
<div id="hd">
	<div id="ygunav">
		<p>
            <em>
                <a href="http://developer.yahoo.com/yui/3/">YUI 3.x Home</a> <i> - </i>	
            </em>
		</p>
		<form action="http://search.yahoo.com/search" id="sitesearchform">
            <input name="vs" type="hidden" value="developer.yahoo.com">
            <input name="vs" type="hidden" value="yuiblog.com">
		    <div id="sitesearch">
		    	<label for="searchinput">Site Search (YDN &amp; YUIBlog): </label>
			    <input type="text" id="searchinput" name="p">
			    <input type="submit" value="Search" id="searchsubmit" class="ygbt">
		    </div>
		</form>
    </div>
	<div id="ygma"><a href="../../"><img src="../../assets/logo.gif"  border="0" width="200" height="93"></a></div>
	<div id="pagetitle"><h1>YUI Library Examples: DataSchema Utility: DataSchema.XML for XML Data</h1></div>
</div>
<div id="bd">


	<div id="yui-main">
		<div class="yui-b">
		  <div class="yui-ge">
			  <div class="yui-u first example" id="main">

	<h2>DataSchema Utility: DataSchema.XML for XML Data</h2>

	<div id="example" class="promo">
	<div class="example-intro">
	DataSchema.XML normalizes arbitrary XML data against a given schema into an object with known properties.
	</div>	

	<div class="module example-container ">
			<div class="hd exampleHd">
			<p class="newWindowButton yui-skin-sam">
                <a href="dataschema_xml_clean.html" target="_blank">View example in new window.</a>
            </p>
		</div>		<div id="example-canvas" class="bd">

		
	<!--BEGIN SOURCE CODE FOR EXAMPLE =============================== -->
	
	<form id="demo">
    <h4>Basic example</h4>
    <h6>Data</h6>
    <pre>
&lt;root&gt;
    &lt;session&gt;34637542&lt;/session&gt;
    &lt;category name="music" id="5"&gt;&lt;results&gt;
        &lt;song id="59672468"&gt;
            &lt;title&gt;I Kissed A Girl&lt;/title&gt;
            &lt;rank&gt;1&lt;/rank&gt;
            &lt;artist id="30326214"&gt;Katy Perry&lt;/artist&gt;
        &lt;/song&gt;
        &lt;song id="47973564"&gt;
            &lt;title&gt;Shake It&lt;/title&gt;
            &lt;rank&gt;2&lt;/rank&gt;
            &lt;artist id="45575683"&gt;Metro Station&lt;/artist&gt;
        &lt;/song&gt;
        &lt;song id="52207363"&gt;
            &lt;title&gt;Bleeding Love&lt;/title&gt;
            &lt;rank&gt;3&lt;/rank&gt;
            &lt;artist id="37956508"&gt;Leona Lewis&lt;/artist&gt;
        &lt;/song&gt;
    &lt;/results&gt;&lt;/category&gt;
&lt;/root&gt;
    </pre>
    
    <h6>Schema</h6>
    <pre>
{
    resultListLocator: "song",
    resultFields: [{key:"title"}, {key:"artist"}, {key:"rank"}]
}
    </pre>

    <h6>Normalized data</h6>
    <input type="button" id="demo_apply_basic" value="Apply schema =>">
    <div id="demo_output_basic" class="output"></div>

    <h4>Complex example</h4>
    <h6>Data</h6>
    <pre>
&lt;Response&gt;
    &lt;Session&gt;542235629&lt;/Session&gt;
    &lt;Tracks  start="1" count="10" total="98" errorCount="0"
        defaultSort="popularity+" description="Top 100 Tracks"
        name="Top 100 Tracks"&gt;
        &lt;Track id="59672468" rating="-1" title="I Kissed A Girl"&gt;
            &lt;Artist id="30326214" rating="-1"&gt;Katy Perry&lt;/Artist&gt;
            &lt;ItemInfo&gt;&lt;ChartPosition last="26" this="1"/&gt;&lt;/ItemInfo&gt;
        &lt;/Track&gt;
        &lt;Track id="47973564" rating="-1" title="Shake It"&gt;
            &lt;Artist id="45575683" rating="-1"&gt;Metro Station&lt;/Artist&gt;
            &lt;ItemInfo&gt;&lt;ChartPosition last="27" this="2"/&gt;&lt;/ItemInfo&gt;
        &lt;/Track&gt;
        &lt;Track id="52207363" rating="-1" title="Bleeding Love"&gt;
            &lt;Artist id="37956508" rating="-1"&gt;Leona Lewis&lt;/Artist&gt;
            &lt;ItemInfo&gt;&lt;ChartPosition last="28" this="3"/&gt;&lt;/ItemInfo&gt;
        &lt;/Track&gt;
    &lt;/Tracks&gt;
&lt;/Response&gt;
        </pre>

    <h6>Schema</h6>
    <pre>
{
    metaFields: {session:"//Session", total:"//Tracks/@total"},
    resultListLocator: "Track",
    resultFields: [{key:"song", locator:"@title"},
        {key:"artist", locator:"Artist"},
        {key:"rank", locator:"ItemInfo/ChartPosition/@this"}]
}
    </pre>

    <h6>Normalized data</h6>
    <input type="button" id="demo_apply_complex" value="Apply schema =>">
    <div id="demo_output_complex" class="output"></div>
</form>


<script type="text/javascript">
YUI({base:"../../build/", timeout: 10000}).use("dump", "node", "datatype-xml", "dataschema-xml", function (Y) {
    Y.on("click", function(e){
        var data_in = Y.DataType.XML.parse('<root><session>34637542</session><category name="music" id="5"><results><song id="59672468"><title>I Kissed A Girl</title><rank>1</rank><artist id="30326214">Katy Perry</artist></song><song id="47973564"><title>Shake It</title><rank>2</rank><artist id="45575683">Metro Station</artist></song><song id="52207363"><title>Bleeding Love</title><rank>3</rank><artist id="37956508">Leona Lewis</artist></song></results></category></root>'),
            schema = {
                resultListLocator: "song",
                resultFields: [{key:"title"}, {key:"artist"}, {key:"rank"}] // Or simply ["title", "artist", "rank"]
            };
        Y.get("#demo_output_basic").setContent(Y.dump(Y.DataSchema.XML.apply(schema, data_in)));
    }, "#demo_apply_basic");


    Y.on("click", function(e){
        var data_in = Y.DataType.XML.parse('<Response><Session>542235629</Session><Tracks  start="1" count="10" total="98" errorCount="0"  defaultSort="popularity+"  description="Top 100 Tracks"  name="Top 100 Tracks"  ><Track id="59672468" rating="-1" title="I Kissed A Girl"><Artist id="30326214" rating="-1">Katy Perry</Artist><ItemInfo><ChartPosition last="26" this="1"/></ItemInfo></Track><Track id="47973564" rating="-1" title="Shake It"><Artist id="45575683" rating="-1">Metro Station</Artist><ItemInfo><ChartPosition last="27" this="2"/></ItemInfo></Track><Track id="52207363" rating="-1" title="Bleeding Love"><Artist id="37956508" rating="-1">Leona Lewis</Artist><ItemInfo><ChartPosition last="28" this="3"/></ItemInfo></Track></Tracks></Response>'),
            schema = {
                metaFields: {session:"//Session", total:"//Tracks/@total"},
                resultListLocator: "Track",
                resultFields: [{key:"song", locator:"@title"}, {key:"artist", locator:"Artist"}, {key:"rank", locator:"ItemInfo/ChartPosition/@this"}]
            };
        Y.get("#demo_output_complex").setContent(Y.dump(Y.DataSchema.XML.apply(schema, data_in)));
    }, "#demo_apply_complex");
});
</script>
	
	<!--END SOURCE CODE FOR EXAMPLE =============================== -->
	
		
		</div>
	</div>			
	</div>
		
	<p>In order to use DataSchema.XML, input data must be an XML document.</p>

<div id="syntax1" class="yui-syntax-highlight"><div class="numbers"><pre class="javascript" style="font-family:monospace;"><ol><li class="li1"><div class="de1">YUI<span class="br0">&#40;</span><span class="br0">&#41;</span>.<span class="kw2">use</span><span class="br0">&#40;</span><span class="st0">&quot;datatype-xml&quot;</span><span class="sy0">,</span> <span class="st0">&quot;dataschema-xml&quot;</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">&#40;</span>Y<span class="br0">&#41;</span> <span class="br0">&#123;</span></div></li><li class="li1"><div class="de1">    <span class="kw2">var</span> data_in <span class="sy0">=</span> Y.<span class="me1">DataType</span>.<span class="me1">XML</span>.<span class="me1">parse</span><span class="br0">&#40;</span><span class="st0">'&lt;root&gt;&lt;session&gt;34637542&lt;/session&gt;&lt;category name=&quot;music&quot; id=&quot;5&quot;&gt;&lt;results&gt;&lt;song id=&quot;59672468&quot;&gt;&lt;title&gt;I Kissed A Girl&lt;/title&gt;&lt;rank&gt;1&lt;/rank&gt;&lt;artist id=&quot;30326214&quot;&gt;Katy Perry&lt;/artist&gt;&lt;/song&gt;&lt;song id=&quot;47973564&quot;&gt;&lt;title&gt;Shake It&lt;/title&gt;&lt;rank&gt;2&lt;/rank&gt;&lt;artist id=&quot;45575683&quot;&gt;Metro Station&lt;/artist&gt;&lt;/song&gt;&lt;song id=&quot;52207363&quot;&gt;&lt;title&gt;Bleeding Love&lt;/title&gt;&lt;rank&gt;3&lt;/rank&gt;&lt;artist id=&quot;37956508&quot;&gt;Leona Lewis&lt;/artist&gt;&lt;/song&gt;&lt;/results&gt;&lt;/category&gt;&lt;/root&gt;'</span><span class="br0">&#41;</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1">        schema <span class="sy0">=</span> <span class="br0">&#123;</span></div></li><li class="li1"><div class="de1">            resultListLocator<span class="sy0">:</span> <span class="st0">&quot;song&quot;</span><span class="sy0">,</span></div></li><li class="li2"><div class="de2">            <span class="co1">// Or simply [&quot;title&quot;, &quot;artist&quot;, &quot;rank&quot;]</span></div></li><li class="li1"><div class="de1">            resultFields<span class="sy0">:</span> <span class="br0">&#91;</span><span class="br0">&#123;</span>key<span class="sy0">:</span><span class="st0">&quot;title&quot;</span><span class="br0">&#125;</span><span class="sy0">,</span> <span class="br0">&#123;</span>key<span class="sy0">:</span><span class="st0">&quot;artist&quot;</span><span class="br0">&#125;</span><span class="sy0">,</span> <span class="br0">&#123;</span>key<span class="sy0">:</span><span class="st0">&quot;rank&quot;</span><span class="br0">&#125;</span><span class="br0">&#93;</span></div></li><li class="li1"><div class="de1">        <span class="br0">&#125;</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1">        data_out <span class="sy0">=</span> Y.<span class="me1">DataSchema</span>.<span class="me1">XML</span>.<span class="me1">apply</span><span class="br0">&#40;</span>schema<span class="sy0">,</span> data_in<span class="br0">&#41;</span><span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1">&nbsp;</div></li><li class="li2"><div class="de2">    <span class="kw3">alert</span><span class="br0">&#40;</span>data_out<span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"><span class="br0">&#125;</span><span class="br0">&#41;</span><span class="sy0">;</span></div></li></ol></pre></div><div class="nonumbers"><pre class="javascript" style="font-family:monospace;">YUI<span class="br0">&#40;</span><span class="br0">&#41;</span>.<span class="kw2">use</span><span class="br0">&#40;</span><span class="st0">&quot;datatype-xml&quot;</span><span class="sy0">,</span> <span class="st0">&quot;dataschema-xml&quot;</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">&#40;</span>Y<span class="br0">&#41;</span> <span class="br0">&#123;</span>
    <span class="kw2">var</span> data_in <span class="sy0">=</span> Y.<span class="me1">DataType</span>.<span class="me1">XML</span>.<span class="me1">parse</span><span class="br0">&#40;</span><span class="st0">'&lt;root&gt;&lt;session&gt;34637542&lt;/session&gt;&lt;category name=&quot;music&quot; id=&quot;5&quot;&gt;&lt;results&gt;&lt;song id=&quot;59672468&quot;&gt;&lt;title&gt;I Kissed A Girl&lt;/title&gt;&lt;rank&gt;1&lt;/rank&gt;&lt;artist id=&quot;30326214&quot;&gt;Katy Perry&lt;/artist&gt;&lt;/song&gt;&lt;song id=&quot;47973564&quot;&gt;&lt;title&gt;Shake It&lt;/title&gt;&lt;rank&gt;2&lt;/rank&gt;&lt;artist id=&quot;45575683&quot;&gt;Metro Station&lt;/artist&gt;&lt;/song&gt;&lt;song id=&quot;52207363&quot;&gt;&lt;title&gt;Bleeding Love&lt;/title&gt;&lt;rank&gt;3&lt;/rank&gt;&lt;artist id=&quot;37956508&quot;&gt;Leona Lewis&lt;/artist&gt;&lt;/song&gt;&lt;/results&gt;&lt;/category&gt;&lt;/root&gt;'</span><span class="br0">&#41;</span><span class="sy0">,</span>
        schema <span class="sy0">=</span> <span class="br0">&#123;</span>
            resultListLocator<span class="sy0">:</span> <span class="st0">&quot;song&quot;</span><span class="sy0">,</span>
            <span class="co1">// Or simply [&quot;title&quot;, &quot;artist&quot;, &quot;rank&quot;]</span>
            resultFields<span class="sy0">:</span> <span class="br0">&#91;</span><span class="br0">&#123;</span>key<span class="sy0">:</span><span class="st0">&quot;title&quot;</span><span class="br0">&#125;</span><span class="sy0">,</span> <span class="br0">&#123;</span>key<span class="sy0">:</span><span class="st0">&quot;artist&quot;</span><span class="br0">&#125;</span><span class="sy0">,</span> <span class="br0">&#123;</span>key<span class="sy0">:</span><span class="st0">&quot;rank&quot;</span><span class="br0">&#125;</span><span class="br0">&#93;</span>
        <span class="br0">&#125;</span><span class="sy0">,</span>
        data_out <span class="sy0">=</span> Y.<span class="me1">DataSchema</span>.<span class="me1">XML</span>.<span class="me1">apply</span><span class="br0">&#40;</span>schema<span class="sy0">,</span> data_in<span class="br0">&#41;</span><span class="br0">&#41;</span><span class="sy0">;</span>
&nbsp;
    <span class="kw3">alert</span><span class="br0">&#40;</span>data_out<span class="br0">&#41;</span><span class="sy0">;</span>
<span class="br0">&#125;</span><span class="br0">&#41;</span><span class="sy0">;</span></pre></div><textarea id="syntax1-plain">YUI().use("datatype-xml", "dataschema-xml", function(Y) {
    var data_in = Y.DataType.XML.parse('<root><session>34637542</session><category name="music" id="5"><results><song id="59672468"><title>I Kissed A Girl</title><rank>1</rank><artist id="30326214">Katy Perry</artist></song><song id="47973564"><title>Shake It</title><rank>2</rank><artist id="45575683">Metro Station</artist></song><song id="52207363"><title>Bleeding Love</title><rank>3</rank><artist id="37956508">Leona Lewis</artist></song></results></category></root>'),
        schema = {
            resultListLocator: "song",
            // Or simply ["title", "artist", "rank"]
            resultFields: [{key:"title"}, {key:"artist"}, {key:"rank"}]
        },
        data_out = Y.DataSchema.XML.apply(schema, data_in));
        
    alert(data_out);
});</textarea></div>
<p>The data itself can get fairly complex, with deeply nested nodes and values held in attributes. In your schema, you can use XPath notation to define these locations.</p>

<div id="syntax2" class="yui-syntax-highlight"><div class="numbers"><pre class="javascript" style="font-family:monospace;"><ol><li class="li1"><div class="de1">YUI<span class="br0">&#40;</span><span class="br0">&#41;</span>.<span class="kw2">use</span><span class="br0">&#40;</span><span class="st0">&quot;datatype-xml&quot;</span><span class="sy0">,</span> <span class="st0">&quot;dataschema-xml&quot;</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">&#40;</span>Y<span class="br0">&#41;</span> <span class="br0">&#123;</span></div></li><li class="li1"><div class="de1">    <span class="kw2">var</span> data_in <span class="sy0">=</span> Y.<span class="me1">DataType</span>.<span class="me1">XML</span>.<span class="me1">parse</span><span class="br0">&#40;</span><span class="st0">'&lt;Response&gt;&lt;Session&gt;542235629&lt;/Session&gt;&lt;Tracks  start=&quot;1&quot; count=&quot;10&quot; total=&quot;98&quot; errorCount=&quot;0&quot;  defaultSort=&quot;popularity+&quot;  description=&quot;Top 100 Tracks&quot;  name=&quot;Top 100 Tracks&quot;  &gt;&lt;Track id=&quot;59672468&quot; rating=&quot;-1&quot; title=&quot;I Kissed A Girl&quot;&gt;&lt;Artist id=&quot;30326214&quot; rating=&quot;-1&quot;&gt;Katy Perry&lt;/Artist&gt;&lt;ItemInfo&gt;&lt;ChartPosition last=&quot;26&quot; this=&quot;1&quot;/&gt;&lt;/ItemInfo&gt;&lt;/Track&gt;&lt;Track id=&quot;47973564&quot; rating=&quot;-1&quot; title=&quot;Shake It&quot;&gt;&lt;Artist id=&quot;45575683&quot; rating=&quot;-1&quot;&gt;Metro Station&lt;/Artist&gt;&lt;ItemInfo&gt;&lt;ChartPosition last=&quot;27&quot; this=&quot;2&quot;/&gt;&lt;/ItemInfo&gt;&lt;/Track&gt;&lt;Track id=&quot;52207363&quot; rating=&quot;-1&quot; title=&quot;Bleeding Love&quot;&gt;&lt;Artist id=&quot;37956508&quot; rating=&quot;-1&quot;&gt;Leona Lewis&lt;/Artist&gt;&lt;ItemInfo&gt;&lt;ChartPosition last=&quot;28&quot; this=&quot;3&quot;/&gt;&lt;/ItemInfo&gt;&lt;/Track&gt;&lt;/Tracks&gt;&lt;/Response&gt;'</span><span class="br0">&#41;</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1">        schema <span class="sy0">=</span> <span class="br0">&#123;</span></div></li><li class="li1"><div class="de1">            metaFields<span class="sy0">:</span> <span class="br0">&#123;</span>session<span class="sy0">:</span><span class="st0">&quot;//Session&quot;</span><span class="sy0">,</span> total<span class="sy0">:</span><span class="st0">&quot;//Tracks/@total&quot;</span><span class="br0">&#125;</span><span class="sy0">,</span></div></li><li class="li2"><div class="de2">            resultListLocator<span class="sy0">:</span> <span class="st0">&quot;Track&quot;</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1">            resultFields<span class="sy0">:</span> <span class="br0">&#91;</span></div></li><li class="li1"><div class="de1">                <span class="br0">&#123;</span>key<span class="sy0">:</span><span class="st0">&quot;song&quot;</span><span class="sy0">,</span> locator<span class="sy0">:</span><span class="st0">&quot;@title&quot;</span><span class="br0">&#125;</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1">                <span class="br0">&#123;</span>key<span class="sy0">:</span><span class="st0">&quot;artist&quot;</span><span class="sy0">,</span> locator<span class="sy0">:</span><span class="st0">&quot;Artist&quot;</span><span class="br0">&#125;</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1">                <span class="br0">&#123;</span>key<span class="sy0">:</span><span class="st0">&quot;rank&quot;</span><span class="sy0">,</span> locator<span class="sy0">:</span><span class="st0">&quot;ItemInfo/ChartPosition/@this&quot;</span><span class="br0">&#125;</span></div></li><li class="li2"><div class="de2">            <span class="br0">&#93;</span></div></li><li class="li1"><div class="de1">        <span class="br0">&#125;</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1">        data_out <span class="sy0">=</span> Y.<span class="me1">DataSchema</span>.<span class="me1">XML</span>.<span class="me1">apply</span><span class="br0">&#40;</span>schema<span class="sy0">,</span> data_in<span class="br0">&#41;</span><span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1">&nbsp;</div></li><li class="li1"><div class="de1">    <span class="kw3">alert</span><span class="br0">&#40;</span>data_out<span class="br0">&#41;</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"><span class="br0">&#125;</span><span class="br0">&#41;</span><span class="sy0">;</span></div></li></ol></pre></div><div class="nonumbers"><pre class="javascript" style="font-family:monospace;">YUI<span class="br0">&#40;</span><span class="br0">&#41;</span>.<span class="kw2">use</span><span class="br0">&#40;</span><span class="st0">&quot;datatype-xml&quot;</span><span class="sy0">,</span> <span class="st0">&quot;dataschema-xml&quot;</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">&#40;</span>Y<span class="br0">&#41;</span> <span class="br0">&#123;</span>
    <span class="kw2">var</span> data_in <span class="sy0">=</span> Y.<span class="me1">DataType</span>.<span class="me1">XML</span>.<span class="me1">parse</span><span class="br0">&#40;</span><span class="st0">'&lt;Response&gt;&lt;Session&gt;542235629&lt;/Session&gt;&lt;Tracks  start=&quot;1&quot; count=&quot;10&quot; total=&quot;98&quot; errorCount=&quot;0&quot;  defaultSort=&quot;popularity+&quot;  description=&quot;Top 100 Tracks&quot;  name=&quot;Top 100 Tracks&quot;  &gt;&lt;Track id=&quot;59672468&quot; rating=&quot;-1&quot; title=&quot;I Kissed A Girl&quot;&gt;&lt;Artist id=&quot;30326214&quot; rating=&quot;-1&quot;&gt;Katy Perry&lt;/Artist&gt;&lt;ItemInfo&gt;&lt;ChartPosition last=&quot;26&quot; this=&quot;1&quot;/&gt;&lt;/ItemInfo&gt;&lt;/Track&gt;&lt;Track id=&quot;47973564&quot; rating=&quot;-1&quot; title=&quot;Shake It&quot;&gt;&lt;Artist id=&quot;45575683&quot; rating=&quot;-1&quot;&gt;Metro Station&lt;/Artist&gt;&lt;ItemInfo&gt;&lt;ChartPosition last=&quot;27&quot; this=&quot;2&quot;/&gt;&lt;/ItemInfo&gt;&lt;/Track&gt;&lt;Track id=&quot;52207363&quot; rating=&quot;-1&quot; title=&quot;Bleeding Love&quot;&gt;&lt;Artist id=&quot;37956508&quot; rating=&quot;-1&quot;&gt;Leona Lewis&lt;/Artist&gt;&lt;ItemInfo&gt;&lt;ChartPosition last=&quot;28&quot; this=&quot;3&quot;/&gt;&lt;/ItemInfo&gt;&lt;/Track&gt;&lt;/Tracks&gt;&lt;/Response&gt;'</span><span class="br0">&#41;</span><span class="sy0">,</span>
        schema <span class="sy0">=</span> <span class="br0">&#123;</span>
            metaFields<span class="sy0">:</span> <span class="br0">&#123;</span>session<span class="sy0">:</span><span class="st0">&quot;//Session&quot;</span><span class="sy0">,</span> total<span class="sy0">:</span><span class="st0">&quot;//Tracks/@total&quot;</span><span class="br0">&#125;</span><span class="sy0">,</span>
            resultListLocator<span class="sy0">:</span> <span class="st0">&quot;Track&quot;</span><span class="sy0">,</span>
            resultFields<span class="sy0">:</span> <span class="br0">&#91;</span>
                <span class="br0">&#123;</span>key<span class="sy0">:</span><span class="st0">&quot;song&quot;</span><span class="sy0">,</span> locator<span class="sy0">:</span><span class="st0">&quot;@title&quot;</span><span class="br0">&#125;</span><span class="sy0">,</span>
                <span class="br0">&#123;</span>key<span class="sy0">:</span><span class="st0">&quot;artist&quot;</span><span class="sy0">,</span> locator<span class="sy0">:</span><span class="st0">&quot;Artist&quot;</span><span class="br0">&#125;</span><span class="sy0">,</span>
                <span class="br0">&#123;</span>key<span class="sy0">:</span><span class="st0">&quot;rank&quot;</span><span class="sy0">,</span> locator<span class="sy0">:</span><span class="st0">&quot;ItemInfo/ChartPosition/@this&quot;</span><span class="br0">&#125;</span>
            <span class="br0">&#93;</span>
        <span class="br0">&#125;</span><span class="sy0">,</span>
        data_out <span class="sy0">=</span> Y.<span class="me1">DataSchema</span>.<span class="me1">XML</span>.<span class="me1">apply</span><span class="br0">&#40;</span>schema<span class="sy0">,</span> data_in<span class="br0">&#41;</span><span class="br0">&#41;</span><span class="sy0">;</span>
&nbsp;
    <span class="kw3">alert</span><span class="br0">&#40;</span>data_out<span class="br0">&#41;</span><span class="sy0">;</span>
<span class="br0">&#125;</span><span class="br0">&#41;</span><span class="sy0">;</span></pre></div><textarea id="syntax2-plain">YUI().use("datatype-xml", "dataschema-xml", function(Y) {
    var data_in = Y.DataType.XML.parse('<Response><Session>542235629</Session><Tracks  start="1" count="10" total="98" errorCount="0"  defaultSort="popularity+"  description="Top 100 Tracks"  name="Top 100 Tracks"  ><Track id="59672468" rating="-1" title="I Kissed A Girl"><Artist id="30326214" rating="-1">Katy Perry</Artist><ItemInfo><ChartPosition last="26" this="1"/></ItemInfo></Track><Track id="47973564" rating="-1" title="Shake It"><Artist id="45575683" rating="-1">Metro Station</Artist><ItemInfo><ChartPosition last="27" this="2"/></ItemInfo></Track><Track id="52207363" rating="-1" title="Bleeding Love"><Artist id="37956508" rating="-1">Leona Lewis</Artist><ItemInfo><ChartPosition last="28" this="3"/></ItemInfo></Track></Tracks></Response>'),
        schema = {
            metaFields: {session:"//Session", total:"//Tracks/@total"},
            resultListLocator: "Track",
            resultFields: [
                {key:"song", locator:"@title"},
                {key:"artist", locator:"Artist"},
                {key:"rank", locator:"ItemInfo/ChartPosition/@this"}
            ]
        },
        data_out = Y.DataSchema.XML.apply(schema, data_in));

    alert(data_out);
});</textarea></div>				</div>
				<div class="yui-u sidebar">
					
				
					<div id="examples" class="mod box4">
                        <div class="hd">
						<h4>
    DataSchema Utility Examples:</h4>
                        </div>
						<div class="bd">
							<ul>
								<li><a href='../dataschema/dataschema_array.html'>DataSchema.Array</a></li><li><a href='../dataschema/dataschema_json.html'>DataSchema.JSON</a></li><li><a href='../dataschema/dataschema_table.html'>DataSchema.XML for HTML Tables</a></li><li class='selected'><a href='../dataschema/dataschema_xml.html'>DataSchema.XML for XML Data</a></li><li><a href='../dataschema/dataschema_text.html'>DataSchema.Text</a></li><li><a href='../dataschema/dataschema_parsing.html'>Enforcing DataTypes</a></li><li><a href='../datasource/datasource_caching.html'>DataSource with Caching (included with examples for DataSource Utility)</a></li><li><a href='../datasource/datasource_function.html'>DataSource.Function (included with examples for DataSource Utility)</a></li><li><a href='../datasource/datasource_get.html'>DataSource.Get (included with examples for DataSource Utility)</a></li><li><a href='../datasource/datasource_io.html'>DataSource.IO (included with examples for DataSource Utility)</a></li><li><a href='../datasource/datasource_local.html'>DataSource.Local (included with examples for DataSource Utility)</a></li>							</ul>
						</div>
					</div>
					
					<div class="mod box4">
                        <div class="hd">
						<h4>More DataSchema Utility Resources:</h4>
                        </div>
                        <div class="bd">
						<ul>
							<!-- <li><a href="http://developer.yahoo.com/yui/dataschema/">User's Guide</a> (external)</li> -->
<li><a href="../../api/module_dataschema.html">API Documentation</a></li></ul>
                        </div>
					</div>
			  </div>
		</div>
		
		</div>
	</div>


<div class="yui-b toc3" id="tocWrapper">
<!-- TABLE OF CONTENTS -->
<div id="toc">
	
<ul>
<li class="sect first">YUI 3 Resources</li><li class="item"><a title="YUI 3 -- Yahoo! User Interface (YUI) Library" href="http://developer.yahoo.com/yui/3/">YUI 3 Web Site</a></li><li class="item"><a title="Examples of every YUI utility and control in action" href="../../examples/">YUI 3 Examples</a></li><li class="item"><a title="Instantly searchable API documentation for the entire YUI library." href="../../api/">YUI 3 API Docs</a></li><li class="item"><a title="YUI 3 Dependency Configurator -- configure your custom YUI implementation" href="http://developer.yahoo.com/yui/3/configurator">YUI 3 Dependency Configurator</a></li><li class="item"><a title="The YUI 3 Forum on YUILibrary.com" href="http://yuilibrary.com/forum/viewforum.php?f=15">YUI 3 Forums (external)</a></li><li class="item"><a title="Found a bug or a missing feature? Let us know on YUILibrary.com." href="http://developer.yahoo.com/yui/articles/reportingbugs/">Bug Reports/Feature Requests</a></li><li class="item"><a title="YUI is free and open, offered under a BSD license." href="http://developer.yahoo.com/yui/license.html">YUI License</a></li><li class="item"><a title="Download and fork the YUI project on GitHub" href="http://github.com/yui">YUI on Github</a></li><li class="item"><a title="The Yahoo! User Interface Blog" href="http://yuiblog.com">YUI Blog (external)</a></li><li class="sect">YUI 3 Core - Examples</li><li class="item"><a title="YUI Global Object - Functional Examples" href="../../examples/yui/index.html">YUI Global Object</a></li><li class="item"><a title="Event - Functional Examples" href="../../examples/event/index.html">Event</a></li><li class="item"><a title="Node - Functional Examples" href="../../examples/node/index.html">Node</a></li><li class="sect">YUI 3 Component Infrastructure - Examples</li><li class="item"><a title="Attribute - Functional Examples" href="../../examples/attribute/index.html">Attribute</a></li><li class="item"><a title="Plugin - Functional Examples" href="../../examples/plugin/index.html">Plugin <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="Widget - Functional Examples" href="../../examples/widget/index.html">Widget <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="sect">YUI 3 Utilities - Examples</li><li class="item"><a title="Animation - Functional Examples" href="../../examples/anim/index.html">Animation</a></li><li class="item"><a title="AsyncQueue - Functional Examples" href="../../examples/async-queue/index.html">AsyncQueue</a></li><li class="item"><a title="Browser History - Functional Examples" href="../../examples/history/index.html">Browser History</a></li><li class="item"><a title="Cache - Functional Examples" href="../../examples/cache/index.html">Cache</a></li><li class="item"><a title="Cookie - Functional Examples" href="../../examples/cookie/index.html">Cookie</a></li><li class="selected "><a title="DataSchema - Functional Examples" href="../../examples/dataschema/index.html">DataSchema <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="DataSource - Functional Examples" href="../../examples/datasource/index.html">DataSource <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="DataType - Functional Examples" href="../../examples/datatype/index.html">DataType <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="Drag &amp; Drop - Functional Examples" href="../../examples/dd/index.html">Drag &amp; Drop</a></li><li class="item"><a title="Get - Functional Examples" href="../../examples/get/index.html">Get</a></li><li class="item"><a title="ImageLoader - Functional Examples" href="../../examples/imageloader/index.html">ImageLoader</a></li><li class="item"><a title="IO - Functional Examples" href="../../examples/io/index.html">IO</a></li><li class="item"><a title="JSON (JavaScript Object Notation) - Functional Examples" href="../../examples/json/index.html">JSON</a></li><li class="item"><a title="Stylesheet - Functional Examples" href="../../examples/stylesheet/index.html">Stylesheet</a></li><li class="sect">YUI 3 Widgets - Examples</li><li class="item"><a title="Overlay - Functional Examples" href="../../examples/overlay/index.html">Overlay <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="Slider - Functional Examples" href="../../examples/slider/index.html">Slider <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="sect">YUI 3 Node Plugins - Examples</li><li class="item"><a title="FocusManager Node Plugin - Functional Examples" href="../../examples/node-focusmanager/index.html">FocusManager Node Plugin <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="MenuNav Node Plugin - Functional Examples" href="../../examples/node-menunav/index.html">MenuNav Node Plugin <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="sect">YUI 3 CSS - Examples</li><li class="item"><a title="YUI CSS Reset - Functional Examples" href="../../examples/cssreset/index.html">CSS Reset</a></li><li class="item"><a title="YUI Fonts - Functional Examples" href="../../examples/cssfonts/index.html">CSS Fonts</a></li><li class="item"><a title="YUI Base - Functional Examples" href="../../examples/cssbase/index.html">CSS Base</a></li><li class="sect">YUI 3 Developer Tools - Examples</li><li class="item"><a title="Console - Functional Examples" href="../../examples/console/index.html">Console <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="Console Filters Plugin- Functional Examples" href="../../examples/console-filters/index.html">Plugin.ConsoleFilters <img src='http://l.yimg.com/a/i/not/beta_1.gif'></a></li><li class="item"><a title="Profiler - Functional Examples" href="../../examples/profiler/index.html">Profiler</a></li><li class="item"><a title="Test - Functional Examples" href="../../examples/test/index.html">Test</a></li><li class="sect">Other Useful YUI 3 Resources</li><li class="item"><a title="Answers to Frequently Asked Questions about the YUI Library" href="http://developer.yahoo.com/yui/articles/faq/">YUI FAQ (external)</a></li><li class="item"><a title="Yahoo!'s philosophy of Graded Browser Support" href="http://developer.yahoo.com/yui/articles/gbs/">Graded Browser Support (external)</a></li><li class="item"><a title="Videos and podcasts from the YUI Team and from the Yahoo! frontend engineering community." href="http://developer.yahoo.com/yui/theater/">YUI Theater (external)</a></li></ul>
</div>
</div>
	</div><!--closes bd-->

	<div id="ft">
        <p class="first">Copyright &copy; 2009 Yahoo! Inc. All rights reserved.</p>
        <p><a href="http://privacy.yahoo.com/privacy/us/devel/index.html">Privacy Policy</a> - 
            <a href="http://docs.yahoo.com/info/terms/">Terms of Service</a> - 
            <a href="http://docs.yahoo.com/info/copyright/copyright.html">Copyright Policy</a> - 
            <a href="http://careers.yahoo.com/">Job Openings</a></p>
	</div>
</div>
<script language="javascript"> 
var yuiConfig = {base:"../../build/", timeout: 10000};
</script>
<script src="../../assets/syntax.js"></script>
<script src="../../assets/dpSyntaxHighlighter.js"></script>
<script language="javascript"> 
dp.SyntaxHighlighter.HighlightAll('code'); 
</script>
</body>
</html>