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<div id="pagetitle"><h1>YUI Library Examples: DataSchema Utility: DataSchema.Text</h1></div>
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<h2>DataSchema Utility: DataSchema.Text</h2>
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DataSource.Text normalizes delimited text data against a given schema into an object with known properties.
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<a href="dataschema_text_clean.html" target="_blank">View example in new window.</a>
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<!--BEGIN SOURCE CODE FOR EXAMPLE =============================== -->
<form id="demo">
<h6>Data</h6>
<pre>
notebooks, 100, spiral-bound
pencils, 300, #2 with erasers
pens, 500, blue ink
</pre>
<h6>Schema</h6>
<pre>
{
resultDelimiter: "\n",
fieldDelimiter: ",",
resultFields: [{key:"product"}, {key:"quantity"}, {key:"detail"}]
}
</pre>
<h6>Normalized data</h6>
<input type="button" id="demo_apply" value="Apply schema =>">
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<script type="text/javascript">
YUI({base:"../../build/", timeout: 10000}).use("dump", "node", "dataschema-text", function (Y) {
Y.on("click", function(e){
var data_in = "notebooks, 100, spiral-bound\npencils, 300, #2 with erasers\npens, 500, blue ink\n",
schema = {
resultDelimiter: "\n",
fieldDelimiter: ",",
resultFields: [{key:"product"}, {key:"quantity"}, {key:"detail"}] // Or simply: ["product", "quantity", "detail"]
};
Y.get("#demo_output").setContent(Y.dump(Y.DataSchema.Text.apply(schema, data_in)));
}, "#demo_apply");
});
</script>
<!--END SOURCE CODE FOR EXAMPLE =============================== -->
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<p>In order to use DataSchema.Text, input data must be delimited text. Define as your schema's <code>resultDelimiter</code> property the string that separates each result, and define as your schema's <code>fieldDelimiter</code> property the string that separates each field of each result.</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">(</span><span class="br0">)</span>.<span class="kw2">use</span><span class="br0">(</span><span class="st0">"dataschema-text"</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">(</span>Y<span class="br0">)</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> <span class="kw2">var</span> data_in <span class="sy0">=</span> <span class="st0">"notebooks, 100, spiral-bound<span class="es0">\n</span>pencils, 300, #2 with erasers<span class="es0">\n</span>pens, 500, blue ink"</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> schema <span class="sy0">=</span> <span class="br0">{</span></div></li><li class="li1"><div class="de1"> resultDelimiter<span class="sy0">:</span> <span class="st0">"<span class="es0">\n</span>"</span><span class="sy0">,</span></div></li><li class="li2"><div class="de2"> fieldDelimiter<span class="sy0">:</span> <span class="st0">","</span><span class="sy0">,</span></div></li><li class="li1"><div class="de1"> <span class="co1">// Or simply: ["product", "quantity", "detail"]</span></div></li><li class="li1"><div class="de1"> resultFields<span class="sy0">:</span> <span class="br0">[</span><span class="br0">{</span>key<span class="sy0">:</span><span class="st0">"product"</span><span class="br0">}</span><span class="sy0">,</span> <span class="br0">{</span>key<span class="sy0">:</span><span class="st0">"quantity"</span><span class="br0">}</span><span class="sy0">,</span> <span class="br0">{</span>key<span class="sy0">:</span><span class="st0">"detail"</span><span class="br0">}</span><span class="br0">]</span></div></li><li class="li1"><div class="de1"> <span class="br0">}</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">Text</span>.<span class="me1">apply</span><span class="br0">(</span>schema<span class="sy0">,</span> data_in<span class="br0">)</span><span class="br0">)</span><span class="sy0">;</span></div></li><li class="li2"><div class="de2"> </div></li><li class="li1"><div class="de1"> <span class="kw3">alert</span><span class="br0">(</span>data_out<span class="br0">)</span><span class="sy0">;</span></div></li><li class="li1"><div class="de1"><span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span></div></li></ol></pre></div><div class="nonumbers"><pre class="javascript" style="font-family:monospace;">YUI<span class="br0">(</span><span class="br0">)</span>.<span class="kw2">use</span><span class="br0">(</span><span class="st0">"dataschema-text"</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">(</span>Y<span class="br0">)</span> <span class="br0">{</span>
<span class="kw2">var</span> data_in <span class="sy0">=</span> <span class="st0">"notebooks, 100, spiral-bound<span class="es0">\n</span>pencils, 300, #2 with erasers<span class="es0">\n</span>pens, 500, blue ink"</span><span class="sy0">,</span>
schema <span class="sy0">=</span> <span class="br0">{</span>
resultDelimiter<span class="sy0">:</span> <span class="st0">"<span class="es0">\n</span>"</span><span class="sy0">,</span>
fieldDelimiter<span class="sy0">:</span> <span class="st0">","</span><span class="sy0">,</span>
<span class="co1">// Or simply: ["product", "quantity", "detail"]</span>
resultFields<span class="sy0">:</span> <span class="br0">[</span><span class="br0">{</span>key<span class="sy0">:</span><span class="st0">"product"</span><span class="br0">}</span><span class="sy0">,</span> <span class="br0">{</span>key<span class="sy0">:</span><span class="st0">"quantity"</span><span class="br0">}</span><span class="sy0">,</span> <span class="br0">{</span>key<span class="sy0">:</span><span class="st0">"detail"</span><span class="br0">}</span><span class="br0">]</span>
<span class="br0">}</span><span class="sy0">,</span>
data_out <span class="sy0">=</span> Y.<span class="me1">DataSchema</span>.<span class="me1">Text</span>.<span class="me1">apply</span><span class="br0">(</span>schema<span class="sy0">,</span> data_in<span class="br0">)</span><span class="br0">)</span><span class="sy0">;</span>
<span class="kw3">alert</span><span class="br0">(</span>data_out<span class="br0">)</span><span class="sy0">;</span>
<span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span></pre></div><textarea id="syntax1-plain">YUI().use("dataschema-text", function(Y) {
var data_in = "notebooks, 100, spiral-bound\npencils, 300, #2 with erasers\npens, 500, blue ink",
schema = {
resultDelimiter: "\n",
fieldDelimiter: ",",
// Or simply: ["product", "quantity", "detail"]
resultFields: [{key:"product"}, {key:"quantity"}, {key:"detail"}]
},
data_out = Y.DataSchema.Text.apply(schema, data_in));
alert(data_out);
});</textarea></div> </div>
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DataSchema Utility Examples:</h4>
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<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><a href='../dataschema/dataschema_xml.html'>DataSchema.XML for XML Data</a></li><li class='selected'><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>
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<h4>More DataSchema Utility Resources:</h4>
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<!-- <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>
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