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Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/dbllist_8cpp_source.html
author Dominic Pinkman <dominic.pinkman@nokia.com>
Fri, 13 Aug 2010 16:47:46 +0100
changeset 14 578be2adaf3e
parent 6 43e37759235e
permissions -rw-r--r--
Week 32 contribution of PDK documentation content. See release notes for details. Fixes bug Bug 3582
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
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<title>TB9.2 Example Applications: examples/Base/ArraysAndLists/linkedlist/dbllist/src/dbllist.cpp Source File</title>
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<link href="tabs.css" rel="stylesheet" type="text/css"/>
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<link href="doxygen.css" rel="stylesheet" type="text/css"/>
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</head>
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<body>
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<!-- Generated by Doxygen 1.6.2 -->
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<h1>examples/Base/ArraysAndLists/linkedlist/dbllist/src/dbllist.cpp</h1><a href="dbllist_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).</span>
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<a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
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<a name="l00003"></a>00003 <span class="comment">// This component and the accompanying materials are made available</span>
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<a name="l00004"></a>00004 <span class="comment">// under the terms of &quot;Eclipse Public License v1.0&quot;</span>
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<a name="l00005"></a>00005 <span class="comment">// which accompanies this distribution, and is available</span>
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<a name="l00006"></a>00006 <span class="comment">// at the URL &quot;http://www.eclipse.org/legal/epl-v10.html&quot;.</span>
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<a name="l00007"></a>00007 <span class="comment">//</span>
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<a name="l00008"></a>00008 <span class="comment">// Initial Contributors:</span>
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<a name="l00009"></a>00009 <span class="comment">// Nokia Corporation - initial contribution.</span>
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<a name="l00010"></a>00010 <span class="comment">//</span>
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<a name="l00011"></a>00011 <span class="comment">// Contributors:</span>
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<a name="l00012"></a>00012 <span class="comment">//</span>
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<a name="l00013"></a>00013 <span class="comment">// Description:</span>
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<a name="l00014"></a>00014 <span class="comment">// Contains the E32Main() function, which executes the example.</span>
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<a name="l00015"></a>00015 <span class="comment">// The example demonstrates the use of the TDblQue class, which represents</span>
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<a name="l00016"></a>00016 <span class="comment">// a doubly linked list.</span>
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<a name="l00017"></a>00017 <span class="comment">// The user enters a string, which is stored as linked list of characters</span>
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<a name="l00018"></a>00018 <span class="comment">// of the string. The user can edit this string by adding characters to the</span>
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<a name="l00019"></a>00019 <span class="comment">// string.</span>
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<a name="l00020"></a>00020 <span class="comment">// The example displays the reverse of this string on the console.</span>
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<a name="l00021"></a>00021 <span class="comment">//</span>
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<a name="l00022"></a>00022
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<a name="l00023"></a>00023
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<a name="l00024"></a>00024
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<a name="l00029"></a>00029 <span class="preprocessor">#include &quot;<a class="code" href="mystringreverse_8h.html">mystringreverse.h</a>&quot;</span>
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<a name="l00030"></a>00030
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<a name="l00031"></a>00031 LOCAL_D CConsoleBase* console;
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<a name="l00032"></a>00032
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<a name="l00033"></a>00033 LOCAL_C <span class="keywordtype">void</span> DoStartL();
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<a name="l00034"></a>00034 LOCAL_C <span class="keywordtype">void</span> CallExampleL();
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<a name="l00035"></a>00035
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<a name="l00036"></a>00036 LOCAL_C <span class="keywordtype">void</span> DoStartL()
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<a name="l00037"></a>00037         {
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<a name="l00038"></a>00038         <span class="comment">// Create and install the active scheduler.</span>
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<a name="l00039"></a>00039         CActiveScheduler* scheduler = <span class="keyword">new</span> (ELeave) CActiveScheduler();
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<a name="l00040"></a>00040         CleanupStack::PushL(scheduler);
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<a name="l00041"></a>00041         CActiveScheduler::Install(scheduler);
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<a name="l00042"></a>00042
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<a name="l00043"></a>00043         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTextDbllist,<span class="stringliteral">&quot;Double Linked List Demo\nEnter the characters of the string\n&quot;</span>);
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<a name="l00044"></a>00044         console-&gt;Printf(KTextDbllist);
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<a name="l00045"></a>00045         <span class="comment">// Create an object of the CMyStringReverse class.</span>
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<a name="l00046"></a>00046         <a class="code" href="class_c_my_string_reverse.html">CMyStringReverse</a>* stringreverse = <a class="code" href="class_c_my_string_reverse.html#a2ab3e8b199ce96ba6239d6af086c62a4">CMyStringReverse::NewL</a>(console);
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<a name="l00047"></a>00047         CleanupStack::PushL(stringreverse);
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<a name="l00048"></a>00048
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<a name="l00049"></a>00049         <span class="comment">// Read the string from the user.</span>
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<a name="l00050"></a>00050         <span class="comment">// Generate an asynchronous read request.</span>
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<a name="l00051"></a>00051         stringreverse-&gt;<a class="code" href="class_c_my_string_reverse.html#a28aa61d2589697113937251c10747826">ReadOption</a>();
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<a name="l00052"></a>00052
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<a name="l00053"></a>00053         <span class="comment">// Start the active scheduler.</span>
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<a name="l00054"></a>00054         CActiveScheduler::Start();
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<a name="l00055"></a>00055
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<a name="l00056"></a>00056         <span class="comment">// Destroy the objects in the cleanup stack.</span>
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<a name="l00057"></a>00057         CleanupStack::PopAndDestroy(2, scheduler); <span class="comment">// stringreverse, scheduler.</span>
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<a name="l00058"></a>00058         }
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<a name="l00059"></a>00059
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<a name="l00060"></a>00060 GLDEF_C TInt E32Main() <span class="comment">// main function called by E32</span>
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<a name="l00061"></a>00061     {
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<a name="l00062"></a>00062         __UHEAP_MARK;
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<a name="l00063"></a>00063         CTrapCleanup* cleanup=CTrapCleanup::New(); <span class="comment">// get clean-up stack</span>
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<a name="l00064"></a>00064         TRAPD(error, CallExampleL()); <span class="comment">// more initialization, then do example</span>
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<a name="l00065"></a>00065         <span class="keyword">delete</span> cleanup; <span class="comment">// destroy clean-up stack</span>
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<a name="l00066"></a>00066         __ASSERT_ALWAYS(!error, User::Panic(KTxtEPOC32EX, error));
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<a name="l00067"></a>00067         __UHEAP_MARKEND;
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<a name="l00068"></a>00068         <span class="keywordflow">return</span> 0; <span class="comment">// and return</span>
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<a name="l00069"></a>00069     }
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<a name="l00070"></a>00070
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<a name="l00071"></a>00071 LOCAL_C <span class="keywordtype">void</span> CallExampleL() <span class="comment">// initialize and call example code under cleanup stack</span>
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<a name="l00072"></a>00072     {
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<a name="l00073"></a>00073         console=Console::NewL(KTxtExampleCode, TSize(KConsFullScreen, KConsFullScreen));
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<a name="l00074"></a>00074         CleanupStack::PushL(console);
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<a name="l00075"></a>00075         TRAPD(error, DoStartL()); <span class="comment">// perform example function</span>
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<a name="l00076"></a>00076         <span class="keywordflow">if</span> (error)
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<a name="l00077"></a>00077                 console-&gt;Printf(KFormatFailed, error);
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<a name="l00078"></a>00078         <span class="keywordflow">else</span>
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<a name="l00079"></a>00079                 console-&gt;Printf(KTxtOK);
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<a name="l00080"></a>00080         console-&gt;Printf(KTextPressAnyKey);
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<a name="l00081"></a>00081         console-&gt;Getch(); <span class="comment">// get and ignore character</span>
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<a name="l00082"></a>00082         CleanupStack::PopAndDestroy(); <span class="comment">// close console</span>
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<a name="l00083"></a>00083     }
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</pre></div></div>
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<hr size="1"/><address style="text-align: right;"><small>Generated by&nbsp;
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<a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address>
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</body>
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</html>
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