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POLarge Xml in a Qtreeview
 

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  1. POLarge Xml in a Qtreeview
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    <p>I have a large XML file (2000 -3000 lines) that I want to go through. The purpose is to show all data in the Qtreeview and highlight those that could be wrong.</p> <p>I've tested with the Qt examples (XBEL) and the one from the Jasmin Blanchette's book, but it wasn't helping me as an example (besides I'm aware that the XMLStream is not supported anymore).</p> <p>What is the best way to parse and display some of the data highlighted in a Qtreeview ? <em>(QTreeview is just for data interpretation in my example, I know how to handle it)</em></p> <p>An extract of the file to parse : </p> <pre><code>&lt;Description xmlns="file://DeviceDescription-1.0.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.software.com/schemas/Description-1.0.xsd Description-1.0.xsd file://Description-1.0.xsd OEMcCustom.xsd " xmlns:se="file://Description-1.0.xsd"&gt; &lt;Connector connectorId="1" explicit="false" hostpath="-1" interface="Serial" moduleType="91" role="child" alwaysmapping="true"&gt; &lt;Parameter ParameterId="8000" type="std:BOOL"&gt; &lt;Attributes download="false" offlineaccess="read" /&gt; &lt;Default&gt;true&lt;/Default&gt; &lt;Name&gt;NameConfig&lt;/Name&gt; &lt;Description&gt;Use the new NameConfig format&lt;/Description&gt; &lt;/Parameter&gt; &lt;Parameter ParameterId="12345692" type="localTypes:CHANNEL_PACKED"&gt; &lt;Attributes /&gt; &lt;Default&gt; &lt;Element name="FunctionCode"&gt;3&lt;/Element&gt; &lt;Element name="ReadOffset"&gt;16#0000&lt;/Element&gt; &lt;Element name="ReadLength"&gt;4&lt;/Element&gt; &lt;Element name="WriteOffset"&gt;0&lt;/Element&gt; &lt;Element name="WriteLength"&gt;0&lt;/Element&gt; &lt;Element name="Trigger"&gt;5&lt;/Element&gt; &lt;Element name="CycleTime"&gt;100&lt;/Element&gt; &lt;Element name="ErrorHandling"&gt;true&lt;/Element&gt; &lt;Element name="EnableRegisterBitMapping" /&gt; &lt;/Default&gt; &lt;Name&gt;Channel 1&lt;/Name&gt; &lt;Description&gt;ChannelConfig&lt;/Description&gt; &lt;/Parameter&gt; &lt;/Connector&gt; &lt;/Description&gt; </code></pre>
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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