author | Dominic Pinkman <Dominic.Pinkman@Nokia.com> |
Tue, 30 Mar 2010 16:16:55 +0100 | |
changeset 6 | 43e37759235e |
permissions | -rw-r--r-- |
6
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Week 12 contribution of example code"
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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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Week 12 contribution of example code"
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<html xmlns="http://www.w3.org/1999/xhtml"> |
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Week 12 contribution of example code"
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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/ForumNokia/Symbian_OS_Basics_Lab_Exercises_v3_1/Lab_04309.cb2/starter/src/ActiveBubbleSorter.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/ForumNokia/Symbian_OS_Basics_Lab_Exercises_v3_1/Lab_04309.cb2/starter/src/ActiveBubbleSorter.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 2006 Nokia Corporation.</span> |
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<a name="l00002"></a>00002 |
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<a name="l00003"></a>00003 <span class="preprocessor">#include "ActiveBubbleSorter.h"</span> |
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<a name="l00004"></a>00004 <span class="preprocessor">#include "BubbleSortNotify.h"</span> |
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<a name="l00005"></a>00005 <span class="preprocessor">#include <e32math.h></span> |
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<a name="l00006"></a>00006 |
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<a name="l00007"></a>00007 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KSortDataInputFileName, <span class="stringliteral">"C:\\private\\0515DFCE\\sortdata_in.dat"</span>); |
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<a name="l00008"></a>00008 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KSortDataOutputFileName, <span class="stringliteral">"C:\\private\\0515DFCE\\sortdata_out.dat"</span>); |
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<a name="l00009"></a>00009 _LIT8(KNumberOutputFormat, <span class="stringliteral">"%d\r\n"</span>); |
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<a name="l00010"></a>00010 |
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<a name="l00011"></a>00011 |
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<a name="l00012"></a>00012 <span class="comment">// Constructs a CActiveBubbleSorter object</span> |
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<a name="l00013"></a>00013 <a class="code" href="class_c_active_bubble_sorter.html">CActiveBubbleSorter</a>* CActiveBubbleSorter::NewL() |
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<a name="l00014"></a>00014 { |
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<a name="l00015"></a>00015 <a class="code" href="class_c_active_bubble_sorter.html">CActiveBubbleSorter</a>* <span class="keyword">self</span> = <span class="keyword">new</span> (ELeave) <a class="code" href="class_c_active_bubble_sorter.html">CActiveBubbleSorter</a>(); |
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<a name="l00016"></a>00016 CleanupStack::PushL(<span class="keyword">self</span>); |
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<a name="l00017"></a>00017 <span class="keyword">self</span>->ConstructL(); |
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<a name="l00018"></a>00018 CleanupStack::Pop(<span class="keyword">self</span>); |
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<a name="l00019"></a>00019 <span class="keywordflow">return</span> <span class="keyword">self</span>; |
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<a name="l00020"></a>00020 } |
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<a name="l00021"></a>00021 |
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<a name="l00022"></a>00022 |
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<a name="l00023"></a>00023 <span class="comment">// C++ Constructor</span> |
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<a name="l00024"></a>00024 CActiveBubbleSorter::CActiveBubbleSorter() |
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<a name="l00025"></a>00025 : CActive(CActive::EPriorityIdle) |
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<a name="l00026"></a>00026 { |
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<a name="l00027"></a>00027 } |
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<a name="l00028"></a>00028 |
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<a name="l00029"></a>00029 |
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<a name="l00030"></a>00030 <span class="comment">// C++ Destructor</span> |
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<a name="l00031"></a>00031 CActiveBubbleSorter::~CActiveBubbleSorter() |
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<a name="l00032"></a>00032 { |
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<a name="l00033"></a>00033 } |
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<a name="l00034"></a>00034 |
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<a name="l00035"></a>00035 |
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<a name="l00036"></a>00036 <span class="comment">// Symbian 2nd phase construction</span> |
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<a name="l00037"></a>00037 <span class="keywordtype">void</span> CActiveBubbleSorter::ConstructL() |
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<a name="l00038"></a>00038 { |
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<a name="l00039"></a>00039 <span class="comment">// Do nothing</span> |
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<a name="l00040"></a>00040 } |
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<a name="l00041"></a>00041 |
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<a name="l00042"></a>00042 |
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<a name="l00043"></a>00043 <span class="comment">// Handles the cleanup necessary if sorting is cancelled</span> |
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<a name="l00044"></a>00044 <span class="keywordtype">void</span> CActiveBubbleSorter::DoCancel() |
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<a name="l00045"></a>00045 { |
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<a name="l00046"></a>00046 } |
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<a name="l00047"></a>00047 |
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<a name="l00048"></a>00048 |
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<a name="l00049"></a>00049 <span class="comment">// Handles each step of the sorting procedure</span> |
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<a name="l00050"></a>00050 <span class="keywordtype">void</span> CActiveBubbleSorter::RunL() |
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<a name="l00051"></a>00051 { |
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<a name="l00052"></a>00052 } |
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<a name="l00053"></a>00053 |
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<a name="l00054"></a>00054 |
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<a name="l00055"></a>00055 <span class="comment">// Called to begin sorting</span> |
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<a name="l00056"></a>00056 <span class="keywordtype">void</span> CActiveBubbleSorter::StartL() |
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<a name="l00057"></a>00057 { |
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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 |
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<a name="l00061"></a>00061 <span class="comment">// Reads numbers from an input file into an RArray</span> |
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<a name="l00062"></a>00062 <span class="keywordtype">void</span> CActiveBubbleSorter::ReadNumbersFromFileL() |
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<a name="l00063"></a>00063 { |
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<a name="l00064"></a>00064 <span class="comment">// Read contents of the input file into a descriptor</span> |
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<a name="l00065"></a>00065 RFs fs; |
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<a name="l00066"></a>00066 User::LeaveIfError(fs.Connect()); |
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<a name="l00067"></a>00067 CleanupClosePushL(fs); |
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<a name="l00068"></a>00068 |
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<a name="l00069"></a>00069 RFile file; |
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<a name="l00070"></a>00070 User::LeaveIfError(file.Open(fs, KSortDataInputFileName, EFileStreamText | EFileRead)); |
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<a name="l00071"></a>00071 CleanupClosePushL(fs); |
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<a name="l00072"></a>00072 |
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<a name="l00073"></a>00073 TInt sz = 0; |
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<a name="l00074"></a>00074 User::LeaveIfError(file.Size(sz)); |
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<a name="l00075"></a>00075 |
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<a name="l00076"></a>00076 HBufC8* buf = HBufC8::NewLC(sz); |
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<a name="l00077"></a>00077 TPtr8 ptr = buf->Des(); |
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<a name="l00078"></a>00078 User::LeaveIfError(file.Read(ptr)); |
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<a name="l00079"></a>00079 |
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<a name="l00080"></a>00080 <span class="comment">// Extract numbers from the descriptor containing the contents of the input file</span> |
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<a name="l00081"></a>00081 TLex8 lx(ptr); |
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<a name="l00082"></a>00082 TBool finshed = EFalse; |
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<a name="l00083"></a>00083 <span class="keywordflow">while</span> (!finshed) |
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<a name="l00084"></a>00084 { |
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<a name="l00085"></a>00085 <span class="keywordflow">if</span> (lx.Eos()) |
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<a name="l00086"></a>00086 { |
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<a name="l00087"></a>00087 finshed = ETrue; |
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<a name="l00088"></a>00088 } |
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99 |
<a name="l00089"></a>00089 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((lx.Peek()).IsDigit()) |
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<a name="l00090"></a>00090 { |
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101 |
<a name="l00091"></a>00091 TInt num; |
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102 |
<a name="l00092"></a>00092 TInt err = lx.Val(num); |
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103 |
<a name="l00093"></a>00093 iNumbersArray.Append(num); |
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104 |
<a name="l00094"></a>00094 } |
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105 |
<a name="l00095"></a>00095 <span class="keywordflow">else</span> |
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106 |
<a name="l00096"></a>00096 { |
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107 |
<a name="l00097"></a>00097 lx.Inc(); |
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108 |
<a name="l00098"></a>00098 } |
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109 |
<a name="l00099"></a>00099 } |
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110 |
<a name="l00100"></a>00100 |
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111 |
<a name="l00101"></a>00101 CleanupStack::PopAndDestroy(3); <span class="comment">// automatically closes fs and file</span> |
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112 |
<a name="l00102"></a>00102 } |
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113 |
<a name="l00103"></a>00103 |
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114 |
<a name="l00104"></a>00104 |
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115 |
<a name="l00105"></a>00105 <span class="comment">// Writes the numbers in the RArray to an output file</span> |
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116 |
<a name="l00106"></a>00106 <span class="keywordtype">void</span> CActiveBubbleSorter::WriteNumbersToFileL() |
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117 |
<a name="l00107"></a>00107 { |
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118 |
<a name="l00108"></a>00108 RFs fs; |
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119 |
<a name="l00109"></a>00109 User::LeaveIfError(fs.Connect()); |
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120 |
<a name="l00110"></a>00110 CleanupClosePushL(fs); |
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121 |
<a name="l00111"></a>00111 |
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122 |
<a name="l00112"></a>00112 TInt ret = fs.Delete(KSortDataOutputFileName); |
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123 |
<a name="l00113"></a>00113 <span class="keywordflow">if</span> (!(ret == KErrNone || ret == KErrNotFound)) |
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124 |
<a name="l00114"></a>00114 { |
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125 |
<a name="l00115"></a>00115 User::Leave(ret); |
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126 |
<a name="l00116"></a>00116 } |
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127 |
<a name="l00117"></a>00117 |
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128 |
<a name="l00118"></a>00118 RFile file; |
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129 |
<a name="l00119"></a>00119 User::LeaveIfError(file.Create(fs, KSortDataOutputFileName, EFileStreamText | EFileWrite)); |
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130 |
<a name="l00120"></a>00120 CleanupClosePushL(fs); |
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131 |
<a name="l00121"></a>00121 |
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132 |
<a name="l00122"></a>00122 TBuf8<10> buf; |
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133 |
<a name="l00123"></a>00123 |
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134 |
<a name="l00124"></a>00124 <span class="keywordflow">for</span> (TInt i = 0; i < iNumbersArray.Count(); i++) |
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135 |
<a name="l00125"></a>00125 { |
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136 |
<a name="l00126"></a>00126 buf.Format(KNumberOutputFormat, iNumbersArray[i]); |
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137 |
<a name="l00127"></a>00127 file.Write(buf); |
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138 |
<a name="l00128"></a>00128 } |
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139 |
<a name="l00129"></a>00129 |
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140 |
<a name="l00130"></a>00130 CleanupStack::PopAndDestroy(2); <span class="comment">// automatically closes fs and file</span> |
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141 |
<a name="l00131"></a>00131 } |
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142 |
<a name="l00132"></a>00132 |
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143 |
<a name="l00133"></a>00133 |
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144 |
<a name="l00134"></a>00134 <span class="comment">// Called in the event the RunL function leaves</span> |
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145 |
<a name="l00135"></a>00135 TInt CActiveBubbleSorter::RunError(TInt aError) |
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146 |
<a name="l00136"></a>00136 { |
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147 |
<a name="l00137"></a>00137 iNumbersArray.Reset(); |
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148 |
<a name="l00138"></a>00138 iNotifier.<a class="code" href="class_m_bubble_sort_notify.html#a4efe680a413c28e6b6a7a92df6f0928c">SortComplete</a>(aError); |
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149 |
<a name="l00139"></a>00139 |
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150 |
<a name="l00140"></a>00140 <span class="keywordflow">return</span> KErrNone; |
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151 |
<a name="l00141"></a>00141 } |
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152 |
<a name="l00142"></a>00142 |
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<a name="l00143"></a>00143 <span class="comment">// End of file</span> |
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154 |
</pre></div></div> |
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<hr size="1"/><address style="text-align: right;"><small>Generated by |
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156 |
<a href="http://www.doxygen.org/index.html"> |
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157 |
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address> |
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158 |
</body> |
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</html> |