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Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/mystringreverse_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/mystringreverse.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/mystringreverse.cpp</h1><a href="mystringreverse_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 definition of functions defined in the CMyStringReverse class.</span>
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<a name="l00015"></a>00015 <span class="comment">// </span>
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<a name="l00016"></a>00016 <span class="comment">//</span>
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<a name="l00017"></a>00017
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<a name="l00022"></a>00022 <span class="preprocessor">#include &quot;<a class="code" href="mystringreverse_8h.html">mystringreverse.h</a>&quot;</span>
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<a name="l00023"></a>00023
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<a name="l00028"></a><a class="code" href="class_c_my_string_reverse.html#a2ab3e8b199ce96ba6239d6af086c62a4">00028</a> <a class="code" href="class_c_my_string_reverse.html">CMyStringReverse</a>* <a class="code" href="class_c_my_string_reverse.html#a2ab3e8b199ce96ba6239d6af086c62a4">CMyStringReverse::NewL</a>(CConsoleBase* aConsole)
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<a name="l00029"></a>00029         {
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<a name="l00030"></a>00030         <a class="code" href="class_c_my_string_reverse.html">CMyStringReverse</a>* <span class="keyword">self</span> = <span class="keyword">new</span> (ELeave)<a class="code" href="class_c_my_string_reverse.html">CMyStringReverse</a>(aConsole);
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<a name="l00031"></a>00031         <span class="keyword">self</span>-&gt;<a class="code" href="class_c_my_string_reverse.html#a2c4d6ff67407fcd776305acb55820750">AddToScheduler</a>();
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<a name="l00032"></a>00032         <span class="keywordflow">return</span> <span class="keyword">self</span>;
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<a name="l00033"></a>00033         }
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<a name="l00034"></a>00034
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<a name="l00038"></a><a class="code" href="class_c_my_string_reverse.html#a2c4d6ff67407fcd776305acb55820750">00038</a> <span class="keywordtype">void</span> <a class="code" href="class_c_my_string_reverse.html#a2c4d6ff67407fcd776305acb55820750">CMyStringReverse::AddToScheduler</a>()
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<a name="l00039"></a>00039         {
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<a name="l00040"></a>00040         CActiveScheduler::Add(<span class="keyword">this</span>);
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<a name="l00041"></a>00041         }
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<a name="l00042"></a>00042
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<a name="l00047"></a>00047 CMyStringReverse::CMyStringReverse(CConsoleBase* aConsole):
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<a name="l00048"></a>00048                                                                                                                 <span class="comment">// Constructor of the base class.</span>
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<a name="l00049"></a>00049                                                                                                                 CActive(CActive::EPriorityUserInput),
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<a name="l00050"></a>00050                                                                                                                 <span class="comment">// Create the linked list.</span>
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<a name="l00051"></a>00051                                                                                                                 iString(_FOFF(<a class="code" href="class_t_letter.html">TLetter</a>,iDLink)),
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<a name="l00052"></a>00052                                                                                                                 <span class="comment">// Initialize iterators.</span>
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<a name="l00053"></a>00053                                                                                                                 iIteratorString(iString),
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<a name="l00054"></a>00054                                                                                                                 iConsole(aConsole)
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<a name="l00055"></a>00055         {
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<a name="l00056"></a>00056         }
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<a name="l00057"></a>00057
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<a name="l00067"></a><a class="code" href="class_c_my_string_reverse.html#a2d3f11cae95c95116bcd3ff89962f212">00067</a> <span class="keywordtype">void</span> <a class="code" href="class_c_my_string_reverse.html#a2d3f11cae95c95116bcd3ff89962f212">CMyStringReverse::RunL</a>()
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<a name="l00068"></a>00068         {
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<a name="l00069"></a>00069         <span class="comment">// Get the key code.</span>
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<a name="l00070"></a>00070         TUint8 option = iConsole-&gt;KeyCode();
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<a name="l00071"></a>00071         <span class="comment">// Print the selected option.</span>
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<a name="l00072"></a>00072         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTextFormat,<span class="stringliteral">&quot;%c\n&quot;</span>);
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<a name="l00073"></a>00073         iConsole-&gt;Printf(KTextFormat,option);
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<a name="l00074"></a>00074
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<a name="l00075"></a>00075         <span class="comment">// Check if a numeric key is pressed.</span>
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<a name="l00076"></a>00076         TInt number = option - (TUint)<span class="charliteral">&#39;0&#39;</span>;
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<a name="l00077"></a>00077         <span class="keywordflow">if</span>(number &lt;10 &amp;&amp; number &gt; -1)
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<a name="l00078"></a>00078                 {
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<a name="l00079"></a>00079                 <span class="comment">// Handle the numeric key press.</span>
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<a name="l00080"></a>00080                 <span class="keywordflow">switch</span>(number)
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<a name="l00081"></a>00081                         {
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<a name="l00082"></a>00082                         <span class="keywordflow">case</span> 1:
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<a name="l00083"></a>00083                                 {
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<a name="l00084"></a>00084                                 <span class="comment">// The iString.AddFirst() function needs to be called.</span>
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<a name="l00085"></a>00085                                 <span class="comment">// Read the character to be added to the list.</span>
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<a name="l00086"></a>00086                                 iTask = ETaskStringAddFirst;
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<a name="l00087"></a>00087                                 <a class="code" href="class_c_my_string_reverse.html#a3df27149dbe0c55a7a6a7afdd0af43d6">ReadChar</a>();
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<a name="l00088"></a>00088                                 }
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<a name="l00089"></a>00089                                 <span class="keywordflow">break</span>;
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<a name="l00090"></a>00090                         <span class="keywordflow">case</span> 2:
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<a name="l00091"></a>00091                                 {
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<a name="l00092"></a>00092                                 <span class="comment">// The iString.AddLast() function needs to be called.</span>
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<a name="l00093"></a>00093                                 <span class="comment">// Read the character to be added to the list.</span>
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<a name="l00094"></a>00094                                 iTask = ETaskStringAddLast;
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<a name="l00095"></a>00095                                 <a class="code" href="class_c_my_string_reverse.html#a3df27149dbe0c55a7a6a7afdd0af43d6">ReadChar</a>();
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<a name="l00096"></a>00096                                 }
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<a name="l00097"></a>00097                                 <span class="keywordflow">break</span>;
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<a name="l00098"></a>00098                         <span class="keywordflow">default</span>:
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<a name="l00099"></a>00099                                 <span class="comment">// Stop the active scheduler.</span>
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<a name="l00100"></a>00100                                 CActiveScheduler::Stop();
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<a name="l00101"></a>00101                         }
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<a name="l00102"></a>00102                 }
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<a name="l00103"></a>00103         <span class="keywordflow">else</span>
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<a name="l00104"></a>00104                 {
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<a name="l00105"></a>00105                 <span class="comment">// An alphabetic key is pressed.</span>
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<a name="l00106"></a>00106                 <span class="comment">// Check the action to be performed.</span>
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<a name="l00107"></a>00107                 <span class="keywordflow">switch</span>(iTask)
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<a name="l00108"></a>00108                         {
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<a name="l00109"></a>00109                         <span class="keywordflow">case</span> ETaskNone:
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<a name="l00110"></a>00110                                 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KInvalidOption,<span class="stringliteral">&quot;Invalid Option!\n&quot;</span>);
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<a name="l00111"></a>00111                                 iConsole-&gt;Printf(KInvalidOption);
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    98
 
<a name="l00112"></a>00112                                 <span class="keywordflow">break</span>;
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    99
 
<a name="l00113"></a>00113                         <span class="comment">// The iString.AddFirst() function needs to be called.</span>
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<a name="l00114"></a>00114                         <span class="keywordflow">case</span> ETaskStringAddFirst:
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   101
 
<a name="l00115"></a>00115                                 {
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   102
 
<a name="l00116"></a>00116                                 <span class="comment">// Create an object of the TLetter class.</span>
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   103
 
<a name="l00117"></a>00117                                 <a class="code" href="class_t_letter.html">TLetter</a>* letter = <span class="keyword">new</span> (ELeave) <a class="code" href="class_t_letter.html">TLetter</a>(option);
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   104
 
<a name="l00118"></a>00118                                 <span class="comment">// Add the TLetter object into the list.</span>
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   105
 
<a name="l00119"></a>00119                                 iString.AddFirst(*letter);
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   106
 
<a name="l00120"></a>00120                                 iTask = ETaskNone;
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   107
 
<a name="l00121"></a>00121                                 <span class="comment">// Print the data in iString and iReverseString.</span>
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   108
 
<a name="l00122"></a>00122                                 <a class="code" href="class_c_my_string_reverse.html#ac042ac03ee05e8410f080f2ee3b51f39">PrintStrings</a>();
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<a name="l00123"></a>00123                                 }
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   110
 
<a name="l00124"></a>00124                                 <span class="keywordflow">break</span>;
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   111
 
<a name="l00125"></a>00125                         <span class="keywordflow">case</span> ETaskStringAddLast:
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   112
 
<a name="l00126"></a>00126                                 {
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   113
 
<a name="l00127"></a>00127                                 <span class="comment">// Create an object of the TLetter class.</span>
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<a name="l00128"></a>00128                                 <a class="code" href="class_t_letter.html">TLetter</a>* letter = <span class="keyword">new</span> (ELeave) <a class="code" href="class_t_letter.html">TLetter</a>(option);
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   115
 
<a name="l00129"></a>00129                                 <span class="comment">// Add the TLetter object into the list.</span>
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<a name="l00130"></a>00130                                 iString.AddLast(*letter);
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<a name="l00131"></a>00131                                 iTask = ETaskNone;
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   118
 
<a name="l00132"></a>00132                                 <span class="comment">// Print the data in iString and iReverseString.</span>
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   119
 
<a name="l00133"></a>00133                                 <a class="code" href="class_c_my_string_reverse.html#ac042ac03ee05e8410f080f2ee3b51f39">PrintStrings</a>();
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<a name="l00134"></a>00134                                 }
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   121
 
<a name="l00135"></a>00135                                 <span class="keywordflow">break</span>;
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   122
 
<a name="l00136"></a>00136                         <span class="keywordflow">default</span>:
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<a name="l00137"></a>00137                                 iTask = ETaskNone;
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   124
 
<a name="l00138"></a>00138                                 <span class="keywordflow">break</span>;
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   125
 
<a name="l00139"></a>00139                         }
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<a name="l00140"></a>00140                 <span class="comment">// Generate an asynchronous read request.</span>
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<a name="l00141"></a>00141                 <a class="code" href="class_c_my_string_reverse.html#a28aa61d2589697113937251c10747826">ReadOption</a>();
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<a name="l00142"></a>00142                 }
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<a name="l00143"></a>00143         }
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   130
 
<a name="l00144"></a>00144
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   131
 
<a name="l00148"></a>00148 <span class="keywordtype">void</span> CMyStringReverse::ReadFunc()
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   132
 
<a name="l00149"></a>00149         {
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   133
 
<a name="l00150"></a>00150         <span class="comment">// Wait for a key press event.</span>
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   134
 
<a name="l00151"></a>00151         iConsole-&gt;Read(iStatus);
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   135
 
<a name="l00152"></a>00152         SetActive();
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<a name="l00153"></a>00153         }
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   137
 
<a name="l00154"></a>00154
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   138
 
<a name="l00158"></a><a class="code" href="class_c_my_string_reverse.html#a28aa61d2589697113937251c10747826">00158</a> <span class="keywordtype">void</span> <a class="code" href="class_c_my_string_reverse.html#a28aa61d2589697113937251c10747826">CMyStringReverse::ReadOption</a>()
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   139
 
<a name="l00159"></a>00159         {
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   140
 
<a name="l00160"></a>00160         <span class="comment">// Print the menu.</span>
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   141
 
<a name="l00161"></a>00161         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTextMenu,<span class="stringliteral">&quot;\nEnter\n1-&gt; Add a character to the beginning of the string\n2-&gt; Add a character to the end of the string\nAny other NUMBER to stop\n&quot;</span>);
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   142
 
<a name="l00162"></a>00162         iConsole-&gt;Printf(KTextMenu);
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   143
 
<a name="l00163"></a>00163         <span class="comment">// Generate an asynchronous read request.</span>
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   144
 
<a name="l00164"></a>00164         ReadFunc();
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   145
 
<a name="l00165"></a>00165         }
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   146
 
<a name="l00166"></a>00166
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   147
 
<a name="l00170"></a><a class="code" href="class_c_my_string_reverse.html#a3df27149dbe0c55a7a6a7afdd0af43d6">00170</a> <span class="keywordtype">void</span> <a class="code" href="class_c_my_string_reverse.html#a3df27149dbe0c55a7a6a7afdd0af43d6">CMyStringReverse::ReadChar</a>()
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   148
 
<a name="l00171"></a>00171         {
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   149
 
<a name="l00172"></a>00172         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTextReadChar,<span class="stringliteral">&quot;\nEnter a character\n&quot;</span>);
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   150
 
<a name="l00173"></a>00173         iConsole-&gt;Printf(KTextReadChar);
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   151
 
<a name="l00174"></a>00174         <span class="comment">// Generate an asynchronous read request.</span>
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   152
 
<a name="l00175"></a>00175         ReadFunc();
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<a name="l00176"></a>00176         }
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   154
 
<a name="l00177"></a>00177
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   155
 
<a name="l00181"></a><a class="code" href="class_c_my_string_reverse.html#ac042ac03ee05e8410f080f2ee3b51f39">00181</a> <span class="keywordtype">void</span> <a class="code" href="class_c_my_string_reverse.html#ac042ac03ee05e8410f080f2ee3b51f39">CMyStringReverse::PrintStrings</a>()
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   156
 
<a name="l00182"></a>00182         {
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   157
 
<a name="l00183"></a>00183         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTextSrcString,<span class="stringliteral">&quot;Source String: &quot;</span>);
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   158
 
<a name="l00184"></a>00184         iConsole-&gt;Printf(KTextSrcString);
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   159
 
<a name="l00185"></a>00185         <span class="comment">// Initialize the iterator.</span>
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   160
 
<a name="l00186"></a>00186         iIteratorString.SetToFirst();
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   161
 
<a name="l00187"></a>00187
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   162
 
<a name="l00188"></a>00188         <span class="comment">// Iterate iString.</span>
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   163
 
<a name="l00189"></a>00189         <span class="keywordflow">while</span>(iIteratorString != NULL)
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   164
 
<a name="l00190"></a>00190                 {
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   165
 
<a name="l00191"></a>00191                 <span class="comment">// Get the TLetter object pointed to by the iterator.</span>
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   166
 
<a name="l00192"></a>00192                 <a class="code" href="class_t_letter.html">TLetter</a> letter = *iIteratorString;
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   167
 
<a name="l00193"></a>00193                 <span class="comment">// Print the character value of the TLetter object.</span>
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   168
 
<a name="l00194"></a>00194                 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTextChar,<span class="stringliteral">&quot;%c&quot;</span>);
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   169
 
<a name="l00195"></a>00195                 iConsole-&gt;Printf(KTextChar,TUint(letter.<a class="code" href="class_t_letter.html#a1ce2b6bc97d7c647ee1adbf72aac5628">iChar</a>));
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   170
 
<a name="l00196"></a>00196                 <span class="comment">// Set the iterator to point to the next element.</span>
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   171
 
<a name="l00197"></a>00197                 iIteratorString++;
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<a name="l00198"></a>00198                 }
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   173
 
<a name="l00199"></a>00199
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   174
 
<a name="l00200"></a>00200         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTextRevString,<span class="stringliteral">&quot;\nReverse of the String: &quot;</span>);
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   175
 
<a name="l00201"></a>00201         iConsole-&gt;Printf(KTextRevString);
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   176
 
<a name="l00202"></a>00202         <span class="comment">// Initialize the iterator.</span>
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<a name="l00203"></a>00203         iIteratorString.SetToLast();
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   178
 
<a name="l00204"></a>00204
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   179
 
<a name="l00205"></a>00205         <span class="comment">// Iterate iReverseString.</span>
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<a name="l00206"></a>00206         <span class="keywordflow">while</span>(iIteratorString != NULL)
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   181
 
<a name="l00207"></a>00207                 {
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   182
 
<a name="l00208"></a>00208                 <span class="comment">// Get the TLetter object pointed to by the iterator.</span>
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<a name="l00209"></a>00209                 <a class="code" href="class_t_letter.html">TLetter</a> letter = *iIteratorString;
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   184
 
<a name="l00210"></a>00210                 <span class="comment">// Print the character value of the TLetter object.</span>
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   185
 
<a name="l00211"></a>00211                 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTextChar,<span class="stringliteral">&quot;%c&quot;</span>);
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<a name="l00212"></a>00212                 iConsole-&gt;Printf(KTextChar,TUint(letter.<a class="code" href="class_t_letter.html#a1ce2b6bc97d7c647ee1adbf72aac5628">iChar</a>));
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   187
 
<a name="l00213"></a>00213                 <span class="comment">// Set the iterator to point to the next element.</span>
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<a name="l00214"></a>00214                 iIteratorString--;
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<a name="l00215"></a>00215                 }
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<a name="l00216"></a>00216         iConsole-&gt;Printf(KTextNewLine);
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<a name="l00217"></a>00217         }
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<a name="l00218"></a>00218
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<a name="l00222"></a><a class="code" href="class_c_my_string_reverse.html#a845aed5a330f05b110198d4ee45ab32d">00222</a> <span class="keywordtype">void</span> <a class="code" href="class_c_my_string_reverse.html#a845aed5a330f05b110198d4ee45ab32d">CMyStringReverse::DoCancel</a>()
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<a name="l00223"></a>00223         {
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<a name="l00224"></a>00224         <span class="keywordflow">if</span>(IsActive())
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<a name="l00225"></a>00225                 {
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<a name="l00226"></a>00226                 <span class="comment">// Cancel any outstanding read requests.</span>
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<a name="l00227"></a>00227                 iConsole-&gt;ReadCancel();
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<a name="l00228"></a>00228                 }
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<a name="l00229"></a>00229         }
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<a name="l00230"></a>00230
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<a name="l00236"></a><a class="code" href="class_c_my_string_reverse.html#a1b0e1bef7e163fa3fc8f7e06047782ed">00236</a> <a class="code" href="class_c_my_string_reverse.html#a1b0e1bef7e163fa3fc8f7e06047782ed">CMyStringReverse::~CMyStringReverse</a>()
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<a name="l00237"></a>00237         {
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<a name="l00238"></a>00238         <span class="comment">// Delete the elements from the list.           </span>
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<a name="l00239"></a>00239                 iIteratorString.SetToFirst();
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<a name="l00240"></a>00240                 <span class="comment">// Iterate the list and delete all TLetter objects.</span>
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<a name="l00241"></a>00241                 <a class="code" href="class_t_letter.html">TLetter</a>* ptr = iIteratorString++;
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<a name="l00242"></a>00242                 <span class="keywordflow">while</span> (ptr != NULL)
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<a name="l00243"></a>00243                         {
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<a name="l00244"></a>00244                         <span class="keyword">delete</span> ptr;
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<a name="l00245"></a>00245                         ptr = iIteratorString++;
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<a name="l00246"></a>00246                         }
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<a name="l00247"></a>00247         }
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<a name="l00248"></a>00248
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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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