Symbian3/SDK/Source/GUID-5875C752-12A9-5819-90D9-CAAE48F1A5C5.dita
author Dominic Pinkman <Dominic.Pinkman@Nokia.com>
Thu, 21 Jan 2010 18:18:20 +0000
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<?xml version="1.0" encoding="utf-8"?>
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<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
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<!-- This component and the accompanying materials are made available under the terms of the License 
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"Eclipse Public License v1.0" which accompanies this distribution, 
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
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<!-- Initial Contributors:
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    Nokia Corporation - initial contribution.
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Contributors: 
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-->
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<!DOCTYPE concept
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  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
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<concept id="GUID-5875C752-12A9-5819-90D9-CAAE48F1A5C5" xml:lang="en"><title>Using
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CArrayFixSeg&lt;TAny&gt;</title><shortdesc>The <codeph>CArrayFixSeg&lt;TAny&gt;</codeph> is useful for constructing
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an array of fixed length buffers, where the length is decided at run time.</shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody>
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<section id="GUID-C0F44785-6E5F-447D-B1AC-F5187527D73F"><title>Arrays whose type is not known until class instantiation</title> <p>The <codeph>CArrayFixSeg&lt;TAny&gt;</codeph> is
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useful for constructing an array of fixed length buffers, where the length
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is decided at run time. It is also useful as a data member of a base class
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in a thin template class/base class pair where the type of the array element
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is not known until the owning thin template class is instantiated.</p> <p>For
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example, to implement a stack of fixed length objects of type <codeph>T</codeph>.</p> <codeblock id="GUID-F707A19F-A9C0-5704-973B-11A0087F714D" xml:space="preserve">class CExampleBase : public CBase
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 {
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public :
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 ...
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protected :
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 ...
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 void  PushL(const TAny* aPtr);
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 TAny* Pop();
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private :
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 CArrayFixSeg&lt;TAny&gt; iArray;
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 }</codeblock> <codeblock id="GUID-8DA14B1F-3771-56F8-9C15-4E1BB0AC68CE" xml:space="preserve">template &lt;class T&gt;
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class CExample : public CExampleBase
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 {
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public :
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 ...
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 inline void PushL(const T* aPtr);
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 inline T*   Pop();
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 }</codeblock> </section>
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</conbody></concept>