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8 <h1>examples/Base/ArraysAndLists/DynamicArrays/DynamicArrays.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies).</span> |
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9 <a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span> |
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10 <a name="l00003"></a>00003 <span class="comment">// This component and the accompanying materials are made available</span> |
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11 <a name="l00004"></a>00004 <span class="comment">// under the terms of "Eclipse Public License v1.0"</span> |
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12 <a name="l00005"></a>00005 <span class="comment">// which accompanies this distribution, and is available</span> |
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13 <a name="l00006"></a>00006 <span class="comment">// at the URL "http://www.eclipse.org/legal/epl-v10.html".</span> |
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14 <a name="l00007"></a>00007 <span class="comment">//</span> |
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15 <a name="l00008"></a>00008 <span class="comment">// Initial Contributors:</span> |
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16 <a name="l00009"></a>00009 <span class="comment">// Nokia Corporation - initial contribution.</span> |
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17 <a name="l00010"></a>00010 <span class="comment">//</span> |
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18 <a name="l00011"></a>00011 <span class="comment">// Contributors:</span> |
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19 <a name="l00012"></a>00012 <span class="comment">//</span> |
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20 <a name="l00013"></a>00013 <span class="comment">// Description:</span> |
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21 <a name="l00014"></a>00014 <span class="comment">// Examples to demonstrate arrays</span> |
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22 <a name="l00015"></a>00015 <span class="comment">//</span> |
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23 <a name="l00016"></a>00016 |
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24 <a name="l00017"></a>00017 <span class="preprocessor">#include "CommonFramework.h"</span> |
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25 <a name="l00018"></a>00018 <span class="preprocessor">#include <e32math.h></span> |
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26 <a name="l00019"></a>00019 <span class="preprocessor">#include <e32std.h></span> |
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27 <a name="l00020"></a>00020 |
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28 <a name="l00021"></a>00021 _LIT(KMsgNewLine,<span class="stringliteral">"\n"</span>); |
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29 <a name="l00022"></a>00022 _LIT(KMsgPressAnyKey,<span class="stringliteral">" (press any key to continue)\n"</span>); |
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30 <a name="l00023"></a>00023 _LIT(KFormat1,<span class="stringliteral">"X%u"</span>); |
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31 <a name="l00024"></a>00024 |
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32 <a name="l00025"></a>00025 <span class="keyword">const</span> TText* firstElement = _S(<span class="stringliteral">"DynamicArray: first"</span>); |
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33 <a name="l00026"></a>00026 <span class="keyword">const</span> TText* secondElement = _S(<span class="stringliteral">"Example Code: second"</span>); |
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34 <a name="l00027"></a>00027 <span class="keyword">const</span> TText* thirdElement = _S(<span class="stringliteral">"ArrayKeys Ex: third"</span>); |
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35 <a name="l00028"></a>00028 |
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36 <a name="l00029"></a>00029 <span class="comment">//</span> |
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37 <a name="l00030"></a>00030 <span class="comment">// A T type class used in the example demonstrating the:</span> |
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38 <a name="l00031"></a>00031 <span class="comment">// CArrayFixFlat class</span> |
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39 <a name="l00032"></a>00032 <span class="comment">//</span> |
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40 <a name="l00033"></a>00033 <span class="keyword">class </span>TElement |
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41 <a name="l00034"></a>00034 { |
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42 <a name="l00035"></a>00035 <span class="keyword">public</span> : |
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43 <a name="l00036"></a>00036 TElement(); |
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44 <a name="l00037"></a>00037 <span class="keyword">public</span> : |
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45 <a name="l00038"></a>00038 TBuf<4> iData; |
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46 <a name="l00039"></a>00039 }; |
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47 <a name="l00040"></a>00040 |
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48 <a name="l00041"></a>00041 TElement::TElement() |
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49 <a name="l00042"></a>00042 { |
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50 <a name="l00043"></a>00043 _LIT(KTextBase,<span class="stringliteral">"BASE"</span>); |
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51 <a name="l00044"></a>00044 iData = KTextBase; |
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52 <a name="l00045"></a>00045 } |
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53 <a name="l00046"></a>00046 |
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54 <a name="l00047"></a>00047 <span class="keyword">class </span>CArrayElement |
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55 <a name="l00048"></a>00048 { |
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56 <a name="l00049"></a>00049 <span class="keyword">public</span> : |
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57 <a name="l00050"></a>00050 CArrayElement(); |
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58 <a name="l00051"></a>00051 TBool operator==(<span class="keyword">const</span> CArrayElement& aElement) <span class="keyword">const</span>; |
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59 <a name="l00052"></a>00052 <span class="keyword">public</span> : |
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60 <a name="l00053"></a>00053 TBuf<4> iData; |
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61 <a name="l00054"></a>00054 }; |
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62 <a name="l00055"></a>00055 |
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63 <a name="l00056"></a>00056 CArrayElement::CArrayElement() |
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64 <a name="l00057"></a>00057 { |
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65 <a name="l00058"></a>00058 _LIT(KTextBase,<span class="stringliteral">"BASE"</span>); |
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66 <a name="l00059"></a>00059 iData = KTextBase; |
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67 <a name="l00060"></a>00060 } |
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68 <a name="l00061"></a>00061 |
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69 <a name="l00062"></a>00062 TBool CArrayElement::operator==(<span class="keyword">const</span> CArrayElement& aElement)<span class="keyword"> const</span> |
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70 <a name="l00063"></a>00063 <span class="keyword"> </span>{ |
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71 <a name="l00064"></a>00064 <span class="keywordflow">return</span> (iData == aElement.iData); |
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72 <a name="l00065"></a>00065 } |
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73 <a name="l00066"></a>00066 |
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74 <a name="l00067"></a>00067 <span class="comment">//</span> |
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75 <a name="l00068"></a>00068 <span class="comment">// A CBase derived class used in the example demonstrating the CArrayPtrFlat</span> |
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76 <a name="l00069"></a>00069 <span class="comment">// array</span> |
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77 <a name="l00070"></a>00070 <span class="comment">//</span> |
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78 <a name="l00071"></a>00071 <span class="keyword">class </span>CElement : <span class="keyword">public</span> CBase |
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79 <a name="l00072"></a>00072 { |
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80 <a name="l00073"></a>00073 <span class="keyword">public</span> : |
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81 <a name="l00074"></a>00074 CElement(); |
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82 <a name="l00075"></a>00075 ~CElement(); |
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83 <a name="l00076"></a>00076 <span class="keywordtype">void</span> SetTextL(<span class="keyword">const</span> TDesC& aText); |
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84 <a name="l00077"></a>00077 <span class="keyword">public</span> : |
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85 <a name="l00078"></a>00078 HBufC* iBuf; |
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86 <a name="l00079"></a>00079 }; |
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87 <a name="l00080"></a>00080 |
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88 <a name="l00081"></a>00081 CElement::CElement() |
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89 <a name="l00082"></a>00082 { |
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90 <a name="l00083"></a>00083 } |
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91 <a name="l00084"></a>00084 |
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92 <a name="l00085"></a>00085 CElement::~CElement() |
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93 <a name="l00086"></a>00086 { |
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94 <a name="l00087"></a>00087 <span class="keyword">delete</span> iBuf; |
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95 <a name="l00088"></a>00088 } |
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96 <a name="l00089"></a>00089 |
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97 <a name="l00094"></a>00094 <span class="keywordtype">void</span> CElement::SetTextL(<span class="keyword">const</span> TDesC& aText) |
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98 <a name="l00095"></a>00095 { |
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99 <a name="l00096"></a>00096 <span class="keywordflow">if</span> (!iBuf) |
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100 <a name="l00097"></a>00097 { |
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101 <a name="l00098"></a>00098 <span class="comment">// The buffer is not created.</span> |
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102 <a name="l00099"></a>00099 <span class="comment">// Hence, create the heap buffer.</span> |
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103 <a name="l00100"></a>00100 <span class="comment">// Set the length of CElement::iBuf to the length of aText.</span> |
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104 <a name="l00101"></a>00101 iBuf = HBufC::NewL(aText.Length()); |
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105 <a name="l00102"></a>00102 } |
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106 <a name="l00103"></a>00103 |
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107 <a name="l00104"></a>00104 <span class="keywordflow">else</span> <span class="keywordflow">if</span>(iBuf->Length() != aText.Length() ) |
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108 <a name="l00105"></a>00105 { |
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109 <a name="l00106"></a>00106 <span class="comment">// The Buffer exists but is a different size to the input text.</span> |
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110 <a name="l00107"></a>00107 iBuf = iBuf->ReAllocL(aText.Length()); |
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111 <a name="l00108"></a>00108 } |
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112 <a name="l00109"></a>00109 <span class="comment">// Copy the contents of aText to iBuf.</span> |
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113 <a name="l00110"></a>00110 *iBuf = aText; |
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114 <a name="l00111"></a>00111 } |
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115 <a name="l00112"></a>00112 |
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116 <a name="l00113"></a>00113 TInt Order64Bit(<span class="keyword">const</span> TInt64& aLeft, <span class="keyword">const</span> TInt64& aRight) |
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117 <a name="l00114"></a>00114 { |
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118 <a name="l00115"></a>00115 <span class="keywordflow">if</span> (aLeft<aRight) |
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119 <a name="l00116"></a>00116 <span class="keywordflow">return</span> -1; |
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120 <a name="l00117"></a>00117 <span class="keywordflow">if</span> (aLeft==aRight) |
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121 <a name="l00118"></a>00118 <span class="keywordflow">return</span> 0; |
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122 <a name="l00119"></a>00119 <span class="keywordflow">return</span> 1; |
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123 <a name="l00120"></a>00120 } |
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124 <a name="l00121"></a>00121 |
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125 <a name="l00128"></a>00128 <span class="keyword">class </span>TIntPtrElement |
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126 <a name="l00129"></a>00129 { |
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127 <a name="l00130"></a>00130 <span class="keyword">public</span> : |
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128 <a name="l00131"></a>00131 TIntPtrElement(); |
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129 <a name="l00132"></a>00132 <span class="keywordtype">void</span> SetIntPtr(TInt* aPtr); |
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130 <a name="l00133"></a>00133 <span class="keyword">public</span> : |
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131 <a name="l00134"></a>00134 TBuf<4> iData; |
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132 <a name="l00139"></a>00139 TInt* iIntPtr; |
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133 <a name="l00140"></a>00140 }; |
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134 <a name="l00141"></a>00141 |
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135 <a name="l00145"></a>00145 TIntPtrElement::TIntPtrElement() |
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136 <a name="l00146"></a>00146 { |
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137 <a name="l00147"></a>00147 _LIT(KTextBase,<span class="stringliteral">"BASE"</span>); |
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138 <a name="l00148"></a>00148 iData = KTextBase; |
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139 <a name="l00149"></a>00149 } |
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140 <a name="l00150"></a>00150 |
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141 <a name="l00155"></a>00155 <span class="keywordtype">void</span> TIntPtrElement::SetIntPtr(TInt* aPtr) |
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142 <a name="l00156"></a>00156 { |
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143 <a name="l00157"></a>00157 iIntPtr = aPtr; |
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144 <a name="l00158"></a>00158 } |
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145 <a name="l00166"></a>00166 <span class="keyword">class </span>TKeyTIntPtr : <span class="keyword">public</span> TKeyArrayFix |
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146 <a name="l00167"></a>00167 { |
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147 <a name="l00168"></a>00168 <span class="keyword">public</span>: |
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148 <a name="l00169"></a>00169 TKeyTIntPtr(TInt aOffset, TKeyCmpText aType); |
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149 <a name="l00170"></a>00170 TKeyTIntPtr(TInt aOffset, TKeyCmpNumeric aType); |
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150 <a name="l00171"></a>00171 TAny* At(TInt aIndex); |
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151 <a name="l00172"></a>00172 }; |
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152 <a name="l00173"></a>00173 |
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153 <a name="l00179"></a>00179 TKeyTIntPtr::TKeyTIntPtr(TInt aOffset, TKeyCmpText aType):TKeyArrayFix(aOffset,aType) |
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154 <a name="l00180"></a>00180 { |
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155 <a name="l00181"></a>00181 } |
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156 <a name="l00182"></a>00182 |
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157 <a name="l00187"></a>00187 TKeyTIntPtr::TKeyTIntPtr(TInt aOffset, TKeyCmpNumeric aType):TKeyArrayFix(aOffset,aType) |
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158 <a name="l00188"></a>00188 { |
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159 <a name="l00189"></a>00189 } |
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160 <a name="l00190"></a>00190 |
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161 <a name="l00197"></a>00197 TAny* TKeyTIntPtr::At(TInt aIndex) |
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162 <a name="l00198"></a>00198 { |
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163 <a name="l00199"></a>00199 <span class="keywordflow">if</span> (aIndex==KIndexPtr) |
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164 <a name="l00200"></a>00200 { |
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165 <a name="l00201"></a>00201 <span class="keywordflow">return</span>((TUint8 *)iPtr+iKeyOffset); |
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166 <a name="l00202"></a>00202 } |
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167 <a name="l00203"></a>00203 <span class="comment">// Get the address of the array element.</span> |
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168 <a name="l00204"></a>00204 TIntPtrElement* ptr = (TIntPtrElement *)(iBase->Ptr(aIndex*<span class="keyword">sizeof</span>(TIntPtrElement)).Ptr()+iKeyOffset); |
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169 <a name="l00205"></a>00205 <span class="comment">// The TIntPtrElement::iIntPtr points to the key.</span> |
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170 <a name="l00206"></a>00206 <span class="comment">// Return the key.</span> |
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171 <a name="l00207"></a>00207 <span class="keywordflow">return</span>(ptr->iIntPtr); |
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172 <a name="l00208"></a>00208 } |
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173 <a name="l00209"></a>00209 |
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174 <a name="l00214"></a>00214 <span class="keywordtype">void</span> PrintFixIntPtrArray(CArrayFixFlat<TIntPtrElement>& aFixFlat) |
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175 <a name="l00215"></a>00215 { |
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176 <a name="l00216"></a>00216 _LIT(KMsgContentsIntPtr,<span class="stringliteral">"Contents of the array of TIntPtrElement objects.\n"</span>); |
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177 <a name="l00217"></a>00217 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgContentsIntPtr); |
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178 <a name="l00218"></a>00218 <span class="keywordflow">for</span> (TInt forix = 0; forix < aFixFlat.Count(); forix++) |
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179 <a name="l00219"></a>00219 { |
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180 <a name="l00220"></a>00220 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgNewLine); |
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181 <a name="l00221"></a>00221 _LIT(KMsgBuf,<span class="stringliteral">"Index: %d\n Descriptor:"</span>); |
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182 <a name="l00222"></a>00222 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgBuf,forix); |
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183 <a name="l00223"></a>00223 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(aFixFlat[forix].iData); |
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184 <a name="l00224"></a>00224 _LIT(KMsgInt,<span class="stringliteral">"\t\tInteger Value: %d"</span>); |
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185 <a name="l00225"></a>00225 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgInt,*(aFixFlat[forix].iIntPtr)); |
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186 <a name="l00226"></a>00226 } |
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187 <a name="l00227"></a>00227 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgNewLine); |
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188 <a name="l00228"></a>00228 } |
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189 <a name="l00229"></a>00229 |
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190 <a name="l00234"></a>00234 <span class="keywordtype">void</span> PrintFixArray(CArrayFixFlat<TElement>& aFixFlat) |
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191 <a name="l00235"></a>00235 { |
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192 <a name="l00236"></a>00236 <span class="keywordflow">for</span> (TInt forix = 0; forix < aFixFlat.Count(); forix++) |
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193 <a name="l00237"></a>00237 { |
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194 <a name="l00238"></a>00238 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgNewLine); |
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195 <a name="l00239"></a>00239 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(aFixFlat[forix].iData); |
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196 <a name="l00240"></a>00240 } |
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197 <a name="l00241"></a>00241 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgNewLine); |
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198 <a name="l00242"></a>00242 } |
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199 <a name="l00243"></a>00243 |
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200 <a name="l00248"></a>00248 <span class="keywordtype">void</span> PrintPtrArray(CArrayPtrFlat<CElement>* aPtrFlat) |
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201 <a name="l00249"></a>00249 { |
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202 <a name="l00250"></a>00250 _LIT(KCommonFormat4,<span class="stringliteral">"\n%S"</span>); |
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203 <a name="l00251"></a>00251 <span class="keywordflow">for</span> (TInt forix = 0; forix < aPtrFlat->Count(); forix++) |
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204 <a name="l00252"></a>00252 { |
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205 <a name="l00253"></a>00253 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat4,((*aPtrFlat)[forix])->iBuf); |
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206 <a name="l00254"></a>00254 } |
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207 <a name="l00255"></a>00255 } |
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208 <a name="l00256"></a>00256 |
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209 <a name="l00260"></a>00260 <span class="keyword">class </span>TMySwap : <span class="keyword">public</span> TSwap |
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210 <a name="l00261"></a>00261 { |
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211 <a name="l00262"></a>00262 <span class="keyword">public</span>: |
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212 <a name="l00263"></a>00263 TMySwap(CArrayFixFlat<TElement>* aArray); |
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213 <a name="l00264"></a>00264 <span class="keywordtype">void</span> Swap(TInt aLeft,TInt aRight); |
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214 <a name="l00265"></a>00265 <span class="keyword">private</span>: |
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215 <a name="l00266"></a>00266 <span class="comment">// The Swap() function is defined for this array.</span> |
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216 <a name="l00267"></a>00267 CArrayFixFlat<TElement>* iArray; |
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217 <a name="l00268"></a>00268 }; |
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218 <a name="l00269"></a>00269 |
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219 <a name="l00273"></a>00273 TMySwap::TMySwap(CArrayFixFlat<TElement>* aArray):iArray(aArray) |
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220 <a name="l00274"></a>00274 { |
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221 <a name="l00275"></a>00275 } |
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222 <a name="l00276"></a>00276 |
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223 <a name="l00282"></a>00282 <span class="keywordtype">void</span> TMySwap::Swap(TInt aLeft,TInt aRight) |
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224 <a name="l00283"></a>00283 { |
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225 <a name="l00284"></a>00284 TBuf<4> tbuf(iArray->At(aLeft).iData); |
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226 <a name="l00285"></a>00285 iArray->At(aLeft).iData.Copy(iArray->At(aRight).iData); |
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227 <a name="l00286"></a>00286 iArray->At(aRight).iData.Copy(tbuf); |
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228 <a name="l00287"></a>00287 } |
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229 <a name="l00288"></a>00288 |
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230 <a name="l00294"></a>00294 <span class="keywordtype">void</span> DemoPakArrayFindL(CArrayPak<TText>& aPakFlat) |
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231 <a name="l00295"></a>00295 { |
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232 <a name="l00296"></a>00296 <span class="comment">// Append TText strings to the aPakFlat array.</span> |
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233 <a name="l00297"></a>00297 |
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234 <a name="l00298"></a>00298 <span class="comment">// The length of the string to be appended is increased by one</span> |
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235 <a name="l00299"></a>00299 <span class="comment">// to insert the '\0' character at the end of the TText string.</span> |
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236 <a name="l00300"></a>00300 <span class="comment">// This is needed as the '\0' character is absent in descriptors.</span> |
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237 <a name="l00301"></a>00301 aPakFlat.AppendL(*firstElement,(User::StringLength(firstElement)+1)*<span class="keyword">sizeof</span>(TText)); |
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238 <a name="l00302"></a>00302 |
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239 <a name="l00303"></a>00303 <span class="comment">// Insert the second element into the array.</span> |
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240 <a name="l00304"></a>00304 aPakFlat.AppendL(*secondElement,(User::StringLength(secondElement)+1)*<span class="keyword">sizeof</span>(TText)); |
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241 <a name="l00305"></a>00305 |
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242 <a name="l00306"></a>00306 <span class="comment">// Insert the third element into the array.</span> |
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243 <a name="l00307"></a>00307 aPakFlat.AppendL(*thirdElement,(User::StringLength(thirdElement)+1)*<span class="keyword">sizeof</span>(TText)); |
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244 <a name="l00308"></a>00308 |
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245 <a name="l00309"></a>00309 <span class="comment">// Print the array elements.</span> |
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246 <a name="l00310"></a>00310 _LIT(KCommonFormat7,<span class="stringliteral">"Array Contents"</span>); |
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247 <a name="l00311"></a>00311 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat7); |
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248 <a name="l00312"></a>00312 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
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249 <a name="l00313"></a>00313 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
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250 <a name="l00314"></a>00314 |
|
251 <a name="l00315"></a>00315 TInt length = aPakFlat.Count(); |
|
252 <a name="l00316"></a>00316 <span class="keywordflow">for</span>(TInt ix = 0; ix < length; ix++) |
|
253 <a name="l00317"></a>00317 { |
|
254 <a name="l00318"></a>00318 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(TPtrC(&aPakFlat[ix])); |
|
255 <a name="l00319"></a>00319 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgNewLine); |
|
256 <a name="l00320"></a>00320 } |
|
257 <a name="l00321"></a>00321 |
|
258 <a name="l00322"></a>00322 <span class="comment">// Find an element in the array.</span> |
|
259 <a name="l00323"></a>00323 _LIT(KMsgFind,<span class="stringliteral">"\n--->Find"</span>); |
|
260 <a name="l00324"></a>00324 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgFind); |
|
261 <a name="l00325"></a>00325 _LIT(KMsgFindElement,<span class="stringliteral">"\nSearching the array for:"</span>); |
|
262 <a name="l00326"></a>00326 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgFindElement); |
|
263 <a name="l00327"></a>00327 |
|
264 <a name="l00328"></a>00328 <span class="comment">// The descriptor, buf contains the string "Code".</span> |
|
265 <a name="l00329"></a>00329 <span class="comment">// The CArrayPak::Find() function will try to find this string in the array.</span> |
|
266 <a name="l00330"></a>00330 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(TPtrC(thirdElement)); |
|
267 <a name="l00331"></a>00331 |
|
268 <a name="l00332"></a>00332 <span class="comment">// The key to find the element.</span> |
|
269 <a name="l00333"></a>00333 <span class="comment">// The length of the key is set to 12.</span> |
|
270 <a name="l00334"></a>00334 <span class="comment">// Thus, first 12 characters of all strings are compared with the key.</span> |
|
271 <a name="l00335"></a>00335 TKeyArrayPak keypak(0,ECmpNormal,12); |
|
272 <a name="l00336"></a>00336 |
|
273 <a name="l00337"></a>00337 <span class="comment">// Initialise the index to -1.</span> |
|
274 <a name="l00338"></a>00338 TInt index = -1; |
|
275 <a name="l00339"></a>00339 |
|
276 <a name="l00340"></a>00340 <span class="comment">// Perform the search.</span> |
|
277 <a name="l00341"></a>00341 <span class="keywordflow">if</span>(aPakFlat.Find(*thirdElement,keypak,index) == 0) |
|
278 <a name="l00342"></a>00342 { |
|
279 <a name="l00343"></a>00343 <span class="comment">// Successful search.</span> |
|
280 <a name="l00344"></a>00344 <span class="comment">// The index variable holds the index of the element found.</span> |
|
281 <a name="l00345"></a>00345 _LIT(KElementFound,<span class="stringliteral">"\nElement found at %d\n"</span>); |
|
282 <a name="l00346"></a>00346 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KElementFound,index); |
|
283 <a name="l00347"></a>00347 } |
|
284 <a name="l00348"></a>00348 <span class="keywordflow">else</span> |
|
285 <a name="l00349"></a>00349 { |
|
286 <a name="l00350"></a>00350 <span class="comment">// Unsuccessful search.</span> |
|
287 <a name="l00351"></a>00351 <span class="comment">// The element is not found.</span> |
|
288 <a name="l00352"></a>00352 _LIT(KElementNotFound,<span class="stringliteral">"\nElement not found"</span>); |
|
289 <a name="l00353"></a>00353 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KElementNotFound); |
|
290 <a name="l00354"></a>00354 } |
|
291 <a name="l00355"></a>00355 } |
|
292 <a name="l00356"></a>00356 |
|
293 <a name="l00362"></a>00362 <span class="keywordtype">void</span> DemoVarArraySortL(CArrayVar<TText>& aVarFlat) |
|
294 <a name="l00363"></a>00363 { |
|
295 <a name="l00364"></a>00364 <span class="comment">// Append TText strings to the aVarFlat array.</span> |
|
296 <a name="l00365"></a>00365 |
|
297 <a name="l00366"></a>00366 <span class="comment">// The length of the string to be appended is increased by one</span> |
|
298 <a name="l00367"></a>00367 <span class="comment">// to insert the '\0' character at the end of the TText string.</span> |
|
299 <a name="l00368"></a>00368 <span class="comment">// This is needed as the '\0' character is absent in descriptors.</span> |
|
300 <a name="l00369"></a>00369 aVarFlat.AppendL(*firstElement,(User::StringLength(firstElement)+1)*<span class="keyword">sizeof</span>(TText)); |
|
301 <a name="l00370"></a>00370 |
|
302 <a name="l00371"></a>00371 <span class="comment">// Insert the second and third elements into the array.</span> |
|
303 <a name="l00372"></a>00372 aVarFlat.AppendL(*secondElement,(User::StringLength(secondElement)+1)*<span class="keyword">sizeof</span>(TText)); |
|
304 <a name="l00373"></a>00373 aVarFlat.AppendL(*thirdElement,(User::StringLength(thirdElement)+1)*<span class="keyword">sizeof</span>(TText)); |
|
305 <a name="l00374"></a>00374 |
|
306 <a name="l00375"></a>00375 <span class="comment">// Print the array elements.</span> |
|
307 <a name="l00376"></a>00376 _LIT(KCommonFormat6,<span class="stringliteral">"Array Contents [Before Sort]"</span>); |
|
308 <a name="l00377"></a>00377 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat6); |
|
309 <a name="l00378"></a>00378 |
|
310 <a name="l00379"></a>00379 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
311 <a name="l00380"></a>00380 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
312 <a name="l00381"></a>00381 |
|
313 <a name="l00382"></a>00382 TInt length = aVarFlat.Count(); |
|
314 <a name="l00383"></a>00383 <span class="keywordflow">for</span>(TInt ix = 0; ix < length; ix++) |
|
315 <a name="l00384"></a>00384 { |
|
316 <a name="l00385"></a>00385 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(TPtrC(&aVarFlat[ix])); |
|
317 <a name="l00386"></a>00386 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgNewLine); |
|
318 <a name="l00387"></a>00387 } |
|
319 <a name="l00388"></a>00388 |
|
320 <a name="l00389"></a>00389 <span class="comment">// The key to find the element.</span> |
|
321 <a name="l00390"></a>00390 <span class="comment">// The length of the key is set to 12.</span> |
|
322 <a name="l00391"></a>00391 <span class="comment">// Thus, first 12 characters of the string are compared with the key.</span> |
|
323 <a name="l00392"></a>00392 TKeyArrayVar keyvar(0,ECmpFolded,12); |
|
324 <a name="l00393"></a>00393 |
|
325 <a name="l00394"></a>00394 <span class="comment">// Sort the array using the TKeyArrayVar key.</span> |
|
326 <a name="l00395"></a>00395 aVarFlat.Sort(keyvar); |
|
327 <a name="l00396"></a>00396 |
|
328 <a name="l00397"></a>00397 <span class="comment">// Print the sorted array elements.</span> |
|
329 <a name="l00398"></a>00398 _LIT(KMsgSort,<span class="stringliteral">"\n--->Sort"</span>); |
|
330 <a name="l00399"></a>00399 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgSort); |
|
331 <a name="l00400"></a>00400 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
332 <a name="l00401"></a>00401 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
333 <a name="l00402"></a>00402 |
|
334 <a name="l00403"></a>00403 <span class="keywordflow">for</span>(TInt ix = 0; ix < length; ix++) |
|
335 <a name="l00404"></a>00404 { |
|
336 <a name="l00405"></a>00405 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(TPtrC(&aVarFlat[ix])); |
|
337 <a name="l00406"></a>00406 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgNewLine); |
|
338 <a name="l00407"></a>00407 } |
|
339 <a name="l00408"></a>00408 } |
|
340 <a name="l00413"></a>00413 <span class="keywordtype">void</span> DemoFlatArrayL(CArrayFixFlat<TElement>& aFixFlat) |
|
341 <a name="l00414"></a>00414 { |
|
342 <a name="l00415"></a>00415 TElement theElement; |
|
343 <a name="l00416"></a>00416 |
|
344 <a name="l00417"></a>00417 TInt value; |
|
345 <a name="l00418"></a>00418 <span class="keywordflow">for</span> (value = 0; value < 3; value++) |
|
346 <a name="l00419"></a>00419 { |
|
347 <a name="l00420"></a>00420 theElement.iData.Format(KFormat1,value); |
|
348 <a name="l00421"></a>00421 aFixFlat.AppendL(theElement); |
|
349 <a name="l00422"></a>00422 } |
|
350 <a name="l00423"></a>00423 |
|
351 <a name="l00424"></a>00424 <span class="comment">// Show length of each element.</span> |
|
352 <a name="l00425"></a>00425 <span class="comment">// The length of each element of the array is the size of the</span> |
|
353 <a name="l00426"></a>00426 <span class="comment">// TElement class.</span> |
|
354 <a name="l00427"></a>00427 _LIT(KCommonFormat2,<span class="stringliteral">"\nLength()=%d"</span>); |
|
355 <a name="l00428"></a>00428 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat2,aFixFlat.Length()); |
|
356 <a name="l00429"></a>00429 |
|
357 <a name="l00430"></a>00430 <span class="comment">// Show number of elements.</span> |
|
358 <a name="l00431"></a>00431 _LIT(KCommonFormat3,<span class="stringliteral">"\nCount()=%d"</span>); |
|
359 <a name="l00432"></a>00432 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat3,aFixFlat.Count()); |
|
360 <a name="l00433"></a>00433 |
|
361 <a name="l00434"></a>00434 <span class="comment">// Show each element</span> |
|
362 <a name="l00435"></a>00435 PrintFixArray(aFixFlat); |
|
363 <a name="l00436"></a>00436 <span class="comment">//</span> |
|
364 <a name="l00437"></a>00437 <span class="comment">// InsertL * * * * * * * * *</span> |
|
365 <a name="l00438"></a>00438 <span class="comment">//</span> |
|
366 <a name="l00439"></a>00439 _LIT(KMsgInsert,<span class="stringliteral">"\n\n--->InsertL"</span>); |
|
367 <a name="l00440"></a>00440 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgInsert); |
|
368 <a name="l00441"></a>00441 _LIT(KMsgPressAnyKey,<span class="stringliteral">" (press any key to continue)\n"</span>); |
|
369 <a name="l00442"></a>00442 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
370 <a name="l00443"></a>00443 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
371 <a name="l00444"></a>00444 |
|
372 <a name="l00445"></a>00445 <span class="comment">// Insert elements</span> |
|
373 <a name="l00446"></a>00446 <span class="comment">// ... at the beginning,</span> |
|
374 <a name="l00447"></a>00447 _LIT(KMsgBEG,<span class="stringliteral">"BEG"</span>); |
|
375 <a name="l00448"></a>00448 theElement.iData = KMsgBEG; |
|
376 <a name="l00449"></a>00449 aFixFlat.InsertL(0,theElement); |
|
377 <a name="l00450"></a>00450 |
|
378 <a name="l00451"></a>00451 <span class="comment">// ... near the middle,</span> |
|
379 <a name="l00452"></a>00452 _LIT(KMsgMID,<span class="stringliteral">"MID"</span>); |
|
380 <a name="l00453"></a>00453 theElement.iData = KMsgMID; |
|
381 <a name="l00454"></a>00454 aFixFlat.InsertL(2,theElement); |
|
382 <a name="l00455"></a>00455 |
|
383 <a name="l00456"></a>00456 <span class="comment">// ... at the end.</span> |
|
384 <a name="l00457"></a>00457 <span class="comment">// This is the same as using the AppendL() function</span> |
|
385 <a name="l00458"></a>00458 _LIT(KMsgEND,<span class="stringliteral">"END"</span>); |
|
386 <a name="l00459"></a>00459 theElement.iData = KMsgEND; |
|
387 <a name="l00460"></a>00460 aFixFlat.InsertL(aFixFlat.Count(),theElement); |
|
388 <a name="l00461"></a>00461 |
|
389 <a name="l00462"></a>00462 <span class="comment">// Show number of elements</span> |
|
390 <a name="l00463"></a>00463 _LIT(KCommonFormat5,<span class="stringliteral">"Count()=%d"</span>); |
|
391 <a name="l00464"></a>00464 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat5,aFixFlat.Count()); |
|
392 <a name="l00465"></a>00465 |
|
393 <a name="l00466"></a>00466 <span class="comment">// Show each element</span> |
|
394 <a name="l00467"></a>00467 PrintFixArray(aFixFlat); |
|
395 <a name="l00468"></a>00468 |
|
396 <a name="l00469"></a>00469 <span class="comment">// Define the key to sort the array.</span> |
|
397 <a name="l00470"></a>00470 <span class="comment">// The data member of the TElement class, iData, is the key.</span> |
|
398 <a name="l00471"></a>00471 TKeyArrayFix keyfix(_FOFF(TElement,iData),ECmpFolded); |
|
399 <a name="l00472"></a>00472 |
|
400 <a name="l00473"></a>00473 <span class="comment">// Sort the array.</span> |
|
401 <a name="l00474"></a>00474 aFixFlat.Sort(keyfix); |
|
402 <a name="l00475"></a>00475 |
|
403 <a name="l00476"></a>00476 <span class="comment">// Print the sorted array.</span> |
|
404 <a name="l00477"></a>00477 _LIT(KMsgSort,<span class="stringliteral">"\n--->Sort"</span>); |
|
405 <a name="l00478"></a>00478 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgSort); |
|
406 <a name="l00479"></a>00479 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
407 <a name="l00480"></a>00480 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
408 <a name="l00481"></a>00481 |
|
409 <a name="l00482"></a>00482 PrintFixArray(aFixFlat); |
|
410 <a name="l00483"></a>00483 |
|
411 <a name="l00484"></a>00484 <span class="comment">//</span> |
|
412 <a name="l00485"></a>00485 <span class="comment">// Delete * * * * * * * * *</span> |
|
413 <a name="l00486"></a>00486 <span class="comment">//</span> |
|
414 <a name="l00487"></a>00487 _LIT(KMsgDelete,<span class="stringliteral">"\n\n--->Delete"</span>); |
|
415 <a name="l00488"></a>00488 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgDelete); |
|
416 <a name="l00489"></a>00489 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
417 <a name="l00490"></a>00490 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
418 <a name="l00491"></a>00491 |
|
419 <a name="l00492"></a>00492 <span class="comment">// Delete the 2nd, 4th and 5th elements. Note:</span> |
|
420 <a name="l00493"></a>00493 <span class="comment">//</span> |
|
421 <a name="l00494"></a>00494 <span class="comment">// 1. We use position to identify the elements (i.e. offset)</span> |
|
422 <a name="l00495"></a>00495 <span class="comment">// 2. As elements are deleted, the position of other</span> |
|
423 <a name="l00496"></a>00496 <span class="comment">// elements changes.</span> |
|
424 <a name="l00497"></a>00497 |
|
425 <a name="l00498"></a>00498 aFixFlat.Delete(1); <span class="comment">// delete the 2nd</span> |
|
426 <a name="l00499"></a>00499 aFixFlat.Delete(2,2); <span class="comment">// delete what are now the 3rd and 4th</span> |
|
427 <a name="l00500"></a>00500 |
|
428 <a name="l00501"></a>00501 aFixFlat.Compress(); <span class="comment">// compress the array</span> |
|
429 <a name="l00502"></a>00502 |
|
430 <a name="l00503"></a>00503 <span class="comment">// Show number of elements</span> |
|
431 <a name="l00504"></a>00504 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat5,aFixFlat.Count()); |
|
432 <a name="l00505"></a>00505 |
|
433 <a name="l00506"></a>00506 <span class="comment">// Show each element</span> |
|
434 <a name="l00507"></a>00507 PrintFixArray(aFixFlat); |
|
435 <a name="l00508"></a>00508 <span class="comment">//</span> |
|
436 <a name="l00509"></a>00509 <span class="comment">// Reset * * * * * * * * *</span> |
|
437 <a name="l00510"></a>00510 <span class="comment">//</span> |
|
438 <a name="l00511"></a>00511 _LIT(KMsgReset,<span class="stringliteral">"\n\n--->Reset"</span>); |
|
439 <a name="l00512"></a>00512 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgReset); |
|
440 <a name="l00513"></a>00513 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
441 <a name="l00514"></a>00514 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
442 <a name="l00515"></a>00515 |
|
443 <a name="l00516"></a>00516 <span class="comment">// reset the array (i.e. empty it)</span> |
|
444 <a name="l00517"></a>00517 aFixFlat.Reset(); |
|
445 <a name="l00518"></a>00518 |
|
446 <a name="l00519"></a>00519 <span class="comment">// Show number of elements</span> |
|
447 <a name="l00520"></a>00520 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat5,aFixFlat.Count()); |
|
448 <a name="l00521"></a>00521 |
|
449 <a name="l00522"></a>00522 <span class="comment">// Show each element</span> |
|
450 <a name="l00523"></a>00523 PrintFixArray(aFixFlat); |
|
451 <a name="l00524"></a>00524 |
|
452 <a name="l00525"></a>00525 <span class="comment">//</span> |
|
453 <a name="l00526"></a>00526 <span class="comment">// ExpandL & ExtendL * * * * * * * * *</span> |
|
454 <a name="l00527"></a>00527 <span class="comment">//</span> |
|
455 <a name="l00528"></a>00528 _LIT(KMsgExpandExtend,<span class="stringliteral">"\n\n--->ExpandL & ExtendL"</span>); |
|
456 <a name="l00529"></a>00529 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgExpandExtend); |
|
457 <a name="l00530"></a>00530 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
458 <a name="l00531"></a>00531 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
459 <a name="l00532"></a>00532 |
|
460 <a name="l00533"></a>00533 <span class="comment">// re-build the array</span> |
|
461 <a name="l00534"></a>00534 _LIT(KFormat6,<span class="stringliteral">"%u"</span>); |
|
462 <a name="l00535"></a>00535 <span class="keywordflow">for</span> (value = 0; value < 3; value++) |
|
463 <a name="l00536"></a>00536 { |
|
464 <a name="l00537"></a>00537 theElement.iData.Format(KFormat6,value); |
|
465 <a name="l00538"></a>00538 aFixFlat.AppendL(theElement); |
|
466 <a name="l00539"></a>00539 } |
|
467 <a name="l00540"></a>00540 <span class="comment">// Expand by constructing a new element at position 1.</span> |
|
468 <a name="l00541"></a>00541 <span class="comment">// Extend the array.</span> |
|
469 <a name="l00542"></a>00542 <span class="comment">//</span> |
|
470 <a name="l00543"></a>00543 <span class="comment">// Note the use of the TElement default constructor</span> |
|
471 <a name="l00544"></a>00544 <span class="comment">// in both cases</span> |
|
472 <a name="l00545"></a>00545 aFixFlat.ExpandL(1); |
|
473 <a name="l00546"></a>00546 aFixFlat.ExtendL(); |
|
474 <a name="l00547"></a>00547 |
|
475 <a name="l00548"></a>00548 <span class="comment">// Show number of elements</span> |
|
476 <a name="l00549"></a>00549 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat5,aFixFlat.Count()); |
|
477 <a name="l00550"></a>00550 |
|
478 <a name="l00551"></a>00551 <span class="comment">// Show each element</span> |
|
479 <a name="l00552"></a>00552 PrintFixArray(aFixFlat); |
|
480 <a name="l00553"></a>00553 |
|
481 <a name="l00554"></a>00554 <span class="comment">//</span> |
|
482 <a name="l00555"></a>00555 <span class="comment">// ResizeL * * * * * * * * * * * *</span> |
|
483 <a name="l00556"></a>00556 <span class="comment">//</span> |
|
484 <a name="l00557"></a>00557 _LIT(KMsgResize,<span class="stringliteral">"\n\n--->ResizeL"</span>); |
|
485 <a name="l00558"></a>00558 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgResize); |
|
486 <a name="l00559"></a>00559 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
487 <a name="l00560"></a>00560 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
488 <a name="l00561"></a>00561 |
|
489 <a name="l00562"></a>00562 <span class="comment">// Resize the array so that it only contains</span> |
|
490 <a name="l00563"></a>00563 <span class="comment">// one element</span> |
|
491 <a name="l00564"></a>00564 aFixFlat.ResizeL(1); |
|
492 <a name="l00565"></a>00565 |
|
493 <a name="l00566"></a>00566 <span class="comment">// Resize so that it contains 3 elements.</span> |
|
494 <a name="l00567"></a>00567 <span class="comment">// The two new elements are bit-wise copies</span> |
|
495 <a name="l00568"></a>00568 <span class="comment">// of a TElement object constructed using</span> |
|
496 <a name="l00569"></a>00569 <span class="comment">// its default constructor.</span> |
|
497 <a name="l00570"></a>00570 aFixFlat.ResizeL(3); |
|
498 <a name="l00571"></a>00571 |
|
499 <a name="l00572"></a>00572 <span class="comment">// Resize so that it contains 5 elements.</span> |
|
500 <a name="l00573"></a>00573 <span class="comment">// The two new elements are bit-wise copies of</span> |
|
501 <a name="l00574"></a>00574 <span class="comment">// the TElement object passed through</span> |
|
502 <a name="l00575"></a>00575 <span class="comment">// the reference.</span> |
|
503 <a name="l00576"></a>00576 _LIT(KMsgXXX,<span class="stringliteral">"XXX"</span>); |
|
504 <a name="l00577"></a>00577 theElement.iData = KMsgXXX; |
|
505 <a name="l00578"></a>00578 aFixFlat.ResizeL(5,theElement); |
|
506 <a name="l00579"></a>00579 |
|
507 <a name="l00580"></a>00580 <span class="comment">// Show number of elements</span> |
|
508 <a name="l00581"></a>00581 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat5,aFixFlat.Count()); |
|
509 <a name="l00582"></a>00582 |
|
510 <a name="l00583"></a>00583 <span class="comment">// Show each element</span> |
|
511 <a name="l00584"></a>00584 PrintFixArray(aFixFlat); |
|
512 <a name="l00585"></a>00585 |
|
513 <a name="l00586"></a>00586 <span class="comment">//</span> |
|
514 <a name="l00587"></a>00587 <span class="comment">// SetReserveL * * * * * * * * * * * *</span> |
|
515 <a name="l00588"></a>00588 <span class="comment">//</span> |
|
516 <a name="l00589"></a>00589 _LIT(KMsgSetReserve,<span class="stringliteral">"\n\n--->SetReserveL"</span>); |
|
517 <a name="l00590"></a>00590 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgSetReserve); |
|
518 <a name="l00591"></a>00591 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
519 <a name="l00592"></a>00592 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
520 <a name="l00593"></a>00593 |
|
521 <a name="l00594"></a>00594 <span class="comment">// Reserve sufficient space to append another</span> |
|
522 <a name="l00595"></a>00595 <span class="comment">// five elements.</span> |
|
523 <a name="l00596"></a>00596 <span class="comment">// This function may leave if there is</span> |
|
524 <a name="l00597"></a>00597 <span class="comment">// insufficient memory.</span> |
|
525 <a name="l00598"></a>00598 <span class="comment">// NOTE: this does NOT increase the number of</span> |
|
526 <a name="l00599"></a>00599 <span class="comment">// elements in the array.</span> |
|
527 <a name="l00600"></a>00600 aFixFlat.SetReserveL(5); |
|
528 <a name="l00601"></a>00601 |
|
529 <a name="l00602"></a>00602 <span class="comment">// We can now append five elements and be sure that</span> |
|
530 <a name="l00603"></a>00603 <span class="comment">// no leave will occur.</span> |
|
531 <a name="l00604"></a>00604 _LIT(KMsgDoubleAtoE,<span class="stringliteral">"AABBCCDDEE"</span>); |
|
532 <a name="l00605"></a>00605 TBufC<10> source(KMsgDoubleAtoE); |
|
533 <a name="l00606"></a>00606 TInt forix; |
|
534 <a name="l00607"></a>00607 <span class="keywordflow">for</span> (forix = 0; forix < source.Length(); forix+=2) |
|
535 <a name="l00608"></a>00608 { |
|
536 <a name="l00609"></a>00609 theElement.iData = source.Mid(forix,2); |
|
537 <a name="l00610"></a>00610 aFixFlat.AppendL(theElement); |
|
538 <a name="l00611"></a>00611 } |
|
539 <a name="l00612"></a>00612 |
|
540 <a name="l00613"></a>00613 <span class="comment">// Show number of elements</span> |
|
541 <a name="l00614"></a>00614 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat5,aFixFlat.Count()); |
|
542 <a name="l00615"></a>00615 |
|
543 <a name="l00616"></a>00616 <span class="comment">// Show each element</span> |
|
544 <a name="l00617"></a>00617 PrintFixArray(aFixFlat); |
|
545 <a name="l00618"></a>00618 |
|
546 <a name="l00619"></a>00619 <span class="comment">// An object of the TMySwap class.</span> |
|
547 <a name="l00620"></a>00620 <span class="comment">// It is used to swap two elements of the array.</span> |
|
548 <a name="l00621"></a>00621 TMySwap swap(&aFixFlat); |
|
549 <a name="l00622"></a>00622 |
|
550 <a name="l00623"></a>00623 <span class="comment">// Swap the first and the last element of the array.</span> |
|
551 <a name="l00624"></a>00624 swap.Swap(0,(aFixFlat.Count() - 1)); |
|
552 <a name="l00625"></a>00625 |
|
553 <a name="l00626"></a>00626 <span class="comment">// Print the array.</span> |
|
554 <a name="l00627"></a>00627 _LIT(KMsgSwap,<span class="stringliteral">"\n--->Swap [First and Last element]"</span>); |
|
555 <a name="l00628"></a>00628 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgSwap); |
|
556 <a name="l00629"></a>00629 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
557 <a name="l00630"></a>00630 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
558 <a name="l00631"></a>00631 |
|
559 <a name="l00632"></a>00632 PrintFixArray(aFixFlat); |
|
560 <a name="l00633"></a>00633 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
561 <a name="l00634"></a>00634 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
562 <a name="l00635"></a>00635 } |
|
563 <a name="l00636"></a>00636 |
|
564 <a name="l00641"></a>00641 <span class="keywordtype">void</span> DemoPtrArrayL(CArrayPtrFlat<CElement>& aPtrFlat) |
|
565 <a name="l00642"></a>00642 { |
|
566 <a name="l00643"></a>00643 CElement* ptr; |
|
567 <a name="l00644"></a>00644 ptr = <span class="keyword">new</span> (ELeave) CElement; |
|
568 <a name="l00645"></a>00645 _LIT(KMsgFirstElement,<span class="stringliteral">"First Element"</span>); |
|
569 <a name="l00646"></a>00646 ptr->SetTextL(KMsgFirstElement); |
|
570 <a name="l00647"></a>00647 aPtrFlat.AppendL(ptr); |
|
571 <a name="l00648"></a>00648 |
|
572 <a name="l00649"></a>00649 |
|
573 <a name="l00650"></a>00650 ptr = <span class="keyword">new</span> (ELeave) CElement; |
|
574 <a name="l00651"></a>00651 _LIT(KMsgSecondElement,<span class="stringliteral">"Second Element"</span>); |
|
575 <a name="l00652"></a>00652 ptr->SetTextL(KMsgSecondElement); |
|
576 <a name="l00653"></a>00653 aPtrFlat.AppendL(ptr); |
|
577 <a name="l00654"></a>00654 |
|
578 <a name="l00655"></a>00655 |
|
579 <a name="l00656"></a>00656 ptr = <span class="keyword">new</span> (ELeave) CElement; |
|
580 <a name="l00657"></a>00657 _LIT(KMsgThirdElement,<span class="stringliteral">"Third Element"</span>); |
|
581 <a name="l00658"></a>00658 ptr->SetTextL(KMsgThirdElement); |
|
582 <a name="l00659"></a>00659 aPtrFlat.AppendL(ptr); |
|
583 <a name="l00660"></a>00660 |
|
584 <a name="l00661"></a>00661 |
|
585 <a name="l00662"></a>00662 <span class="comment">// Show length of each element</span> |
|
586 <a name="l00663"></a>00663 _LIT(KCommonFormat2,<span class="stringliteral">"\nLength()=%d"</span>); |
|
587 <a name="l00664"></a>00664 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat2,aPtrFlat.Length()); |
|
588 <a name="l00665"></a>00665 |
|
589 <a name="l00666"></a>00666 <span class="comment">// Show number of elements</span> |
|
590 <a name="l00667"></a>00667 _LIT(KCommonFormat3,<span class="stringliteral">"\nCount()=%d"</span>); |
|
591 <a name="l00668"></a>00668 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat3,aPtrFlat.Count()); |
|
592 <a name="l00669"></a>00669 |
|
593 <a name="l00670"></a>00670 <span class="comment">// Show each element</span> |
|
594 <a name="l00671"></a>00671 PrintPtrArray(&aPtrFlat); |
|
595 <a name="l00672"></a>00672 <span class="comment">//</span> |
|
596 <a name="l00673"></a>00673 <span class="comment">// InsertL * * * * * * * * *</span> |
|
597 <a name="l00674"></a>00674 <span class="comment">//</span> |
|
598 <a name="l00675"></a>00675 _LIT(KMsgInsert,<span class="stringliteral">"\n\n--->InsertL"</span>); |
|
599 <a name="l00676"></a>00676 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgInsert); |
|
600 <a name="l00677"></a>00677 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
601 <a name="l00678"></a>00678 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
602 <a name="l00679"></a>00679 |
|
603 <a name="l00680"></a>00680 <span class="comment">// Insert an element at the beginning</span> |
|
604 <a name="l00681"></a>00681 <span class="comment">// of the array.</span> |
|
605 <a name="l00682"></a>00682 |
|
606 <a name="l00683"></a>00683 ptr = <span class="keyword">new</span> (ELeave) CElement; |
|
607 <a name="l00684"></a>00684 _LIT(KMsgInsertedBeg,<span class="stringliteral">"Inserted @ beginning Element"</span>); |
|
608 <a name="l00685"></a>00685 ptr->SetTextL(KMsgInsertedBeg); |
|
609 <a name="l00686"></a>00686 aPtrFlat.InsertL(0,ptr); |
|
610 <a name="l00687"></a>00687 |
|
611 <a name="l00688"></a>00688 <span class="comment">// Show number of elements</span> |
|
612 <a name="l00689"></a>00689 _LIT(KCommonFormat5,<span class="stringliteral">"Count()=%d"</span>); |
|
613 <a name="l00690"></a>00690 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat5,aPtrFlat.Count()); |
|
614 <a name="l00691"></a>00691 |
|
615 <a name="l00692"></a>00692 <span class="comment">// Show each element</span> |
|
616 <a name="l00693"></a>00693 PrintPtrArray(&aPtrFlat); |
|
617 <a name="l00694"></a>00694 |
|
618 <a name="l00695"></a>00695 <span class="comment">//</span> |
|
619 <a name="l00696"></a>00696 <span class="comment">// Delete * * * * * * * * *</span> |
|
620 <a name="l00697"></a>00697 <span class="comment">//</span> |
|
621 <a name="l00698"></a>00698 _LIT(KMsgDelete,<span class="stringliteral">"\n\n--->Delete"</span>); |
|
622 <a name="l00699"></a>00699 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgDelete); |
|
623 <a name="l00700"></a>00700 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
624 <a name="l00701"></a>00701 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
625 <a name="l00702"></a>00702 |
|
626 <a name="l00703"></a>00703 <span class="comment">// Delete the last two elements from the array BUT</span> |
|
627 <a name="l00704"></a>00704 <span class="comment">// first we must get a reference to those elements</span> |
|
628 <a name="l00705"></a>00705 <span class="comment">// (pointers to CElement objects) otherwise</span> |
|
629 <a name="l00706"></a>00706 <span class="comment">// the CElement objects are orphaned.</span> |
|
630 <a name="l00707"></a>00707 <span class="comment">//</span> |
|
631 <a name="l00708"></a>00708 <span class="comment">// Here, we destroy those CElement objects.</span> |
|
632 <a name="l00709"></a>00709 <span class="comment">//</span> |
|
633 <a name="l00710"></a>00710 <span class="comment">// There are two alternative ways of indexing into</span> |
|
634 <a name="l00711"></a>00711 <span class="comment">// the array, using either At() or the [] operator</span> |
|
635 <a name="l00712"></a>00712 |
|
636 <a name="l00713"></a>00713 <span class="comment">// NOTE that the code below could be compressed to:</span> |
|
637 <a name="l00714"></a>00714 <span class="comment">//</span> |
|
638 <a name="l00715"></a>00715 <span class="comment">// delete (*ptrflat)[aPtrFlat.Count()-1];</span> |
|
639 <a name="l00716"></a>00716 <span class="comment">// delete (*ptrflat)[aPtrFlat.Count()-2];</span> |
|
640 <a name="l00717"></a>00717 <span class="comment">// aPtrFlat.Delete(aPtrFlat.Count()-2,2);</span> |
|
641 <a name="l00718"></a>00718 |
|
642 <a name="l00719"></a>00719 TInt index = -1; |
|
643 <a name="l00720"></a>00720 index = aPtrFlat.Count(); |
|
644 <a name="l00721"></a>00721 |
|
645 <a name="l00722"></a>00722 ptr = aPtrFlat[--index]; |
|
646 <a name="l00723"></a>00723 aPtrFlat.Delete(index); |
|
647 <a name="l00724"></a>00724 <span class="keyword">delete</span> ptr; |
|
648 <a name="l00725"></a>00725 |
|
649 <a name="l00726"></a>00726 ptr = aPtrFlat.At(--index); |
|
650 <a name="l00727"></a>00727 aPtrFlat.Delete(index); |
|
651 <a name="l00728"></a>00728 <span class="keyword">delete</span> ptr; |
|
652 <a name="l00729"></a>00729 |
|
653 <a name="l00730"></a>00730 <span class="comment">// Show number of elements</span> |
|
654 <a name="l00731"></a>00731 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat5,aPtrFlat.Count()); |
|
655 <a name="l00732"></a>00732 |
|
656 <a name="l00733"></a>00733 <span class="comment">// Show each element</span> |
|
657 <a name="l00734"></a>00734 PrintPtrArray(&aPtrFlat); |
|
658 <a name="l00735"></a>00735 |
|
659 <a name="l00736"></a>00736 <span class="comment">//</span> |
|
660 <a name="l00737"></a>00737 <span class="comment">// At & the [] operator * * * * * * * * * * * *</span> |
|
661 <a name="l00738"></a>00738 <span class="comment">//</span> |
|
662 <a name="l00739"></a>00739 _LIT(KMsgAt,<span class="stringliteral">"\n\n--->At() and the operator []"</span>); |
|
663 <a name="l00740"></a>00740 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgAt); |
|
664 <a name="l00741"></a>00741 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
665 <a name="l00742"></a>00742 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
666 <a name="l00743"></a>00743 |
|
667 <a name="l00744"></a>00744 <span class="comment">// Make a change to the object pointed to by the first element in the array</span> |
|
668 <a name="l00745"></a>00745 _LIT(KMsgNewTextFirst,<span class="stringliteral">"New text for the first CElement"</span>); |
|
669 <a name="l00746"></a>00746 _LIT(KMsgNewTextSecond,<span class="stringliteral">"New text for the second CElement"</span>); |
|
670 <a name="l00747"></a>00747 aPtrFlat[0]->SetTextL(KMsgNewTextFirst); |
|
671 <a name="l00748"></a>00748 aPtrFlat.At(1)->SetTextL(KMsgNewTextSecond); |
|
672 <a name="l00749"></a>00749 |
|
673 <a name="l00750"></a>00750 <span class="comment">// Show number of elements</span> |
|
674 <a name="l00751"></a>00751 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat5,aPtrFlat.Count()); |
|
675 <a name="l00752"></a>00752 |
|
676 <a name="l00753"></a>00753 <span class="comment">// Show each element</span> |
|
677 <a name="l00754"></a>00754 PrintPtrArray(&aPtrFlat); |
|
678 <a name="l00755"></a>00755 |
|
679 <a name="l00756"></a>00756 <span class="comment">//</span> |
|
680 <a name="l00757"></a>00757 <span class="comment">// ResetAndDestroy * * * * * * * * *</span> |
|
681 <a name="l00758"></a>00758 <span class="comment">//</span> |
|
682 <a name="l00759"></a>00759 _LIT(KMsgResetDestroy,<span class="stringliteral">"\n\n--->ResetAndDestroy"</span>); |
|
683 <a name="l00760"></a>00760 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgResetDestroy); |
|
684 <a name="l00761"></a>00761 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
685 <a name="l00762"></a>00762 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
686 <a name="l00763"></a>00763 |
|
687 <a name="l00764"></a>00764 <span class="comment">// destroy all of the CElement objects and reset the</span> |
|
688 <a name="l00765"></a>00765 <span class="comment">// array.</span> |
|
689 <a name="l00766"></a>00766 aPtrFlat.ResetAndDestroy(); |
|
690 <a name="l00767"></a>00767 |
|
691 <a name="l00768"></a>00768 <span class="comment">// Show number of elements</span> |
|
692 <a name="l00769"></a>00769 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat3,aPtrFlat.Count()); |
|
693 <a name="l00770"></a>00770 |
|
694 <a name="l00771"></a>00771 <span class="comment">// Show each element</span> |
|
695 <a name="l00772"></a>00772 PrintPtrArray(&aPtrFlat); |
|
696 <a name="l00773"></a>00773 |
|
697 <a name="l00774"></a>00774 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgNewLine); |
|
698 <a name="l00775"></a>00775 } |
|
699 <a name="l00776"></a>00776 |
|
700 <a name="l00782"></a>00782 <span class="keywordtype">void</span> DemoTKeyDerivedL(CArrayFixFlat<TIntPtrElement>& aFixFlat) |
|
701 <a name="l00783"></a>00783 { |
|
702 <a name="l00784"></a>00784 TIntPtrElement theIntPtrElement; |
|
703 <a name="l00785"></a>00785 |
|
704 <a name="l00786"></a>00786 <span class="comment">// Create pointers to integers.</span> |
|
705 <a name="l00787"></a>00787 TInt* ptrInt1 = <span class="keyword">new</span>(ELeave)TInt(10); |
|
706 <a name="l00788"></a>00788 CleanupStack::PushL(ptrInt1); |
|
707 <a name="l00789"></a>00789 TInt* ptrInt2 = <span class="keyword">new</span>(ELeave)TInt(0); |
|
708 <a name="l00790"></a>00790 CleanupStack::PushL(ptrInt2); |
|
709 <a name="l00791"></a>00791 TInt* ptrInt3 = <span class="keyword">new</span>(ELeave)TInt(5); |
|
710 <a name="l00792"></a>00792 CleanupStack::PushL(ptrInt3); |
|
711 <a name="l00793"></a>00793 |
|
712 <a name="l00794"></a>00794 <span class="comment">// Create an array of pointers.</span> |
|
713 <a name="l00795"></a>00795 TInt* ptrInt[3] = {ptrInt1,ptrInt2,ptrInt3}; |
|
714 <a name="l00796"></a>00796 |
|
715 <a name="l00797"></a>00797 <span class="comment">// Append elements into the ptrElementArray array.</span> |
|
716 <a name="l00798"></a>00798 TInt value; |
|
717 <a name="l00799"></a>00799 <span class="keywordflow">for</span> (value = 0; value < 3; value++) |
|
718 <a name="l00800"></a>00800 { |
|
719 <a name="l00801"></a>00801 theIntPtrElement.iData.Format(KFormat1,value); |
|
720 <a name="l00802"></a>00802 theIntPtrElement.SetIntPtr(ptrInt[value]); |
|
721 <a name="l00803"></a>00803 aFixFlat.AppendL(theIntPtrElement); |
|
722 <a name="l00804"></a>00804 } |
|
723 <a name="l00805"></a>00805 |
|
724 <a name="l00806"></a>00806 <span class="comment">// Print the contents of the array.</span> |
|
725 <a name="l00807"></a>00807 PrintFixIntPtrArray(aFixFlat); |
|
726 <a name="l00808"></a>00808 |
|
727 <a name="l00809"></a>00809 <span class="comment">// Define the key to find an element in the array.</span> |
|
728 <a name="l00810"></a>00810 <span class="comment">// Use the TKey derived class, TKeyTIntPtr to do this.</span> |
|
729 <a name="l00811"></a>00811 TKeyTIntPtr keyIntPtr(_FOFF(TIntPtrElement,iIntPtr),ECmpTInt); |
|
730 <a name="l00812"></a>00812 |
|
731 <a name="l00813"></a>00813 _LIT(KMsgFind,<span class="stringliteral">"\n--->Find"</span>); |
|
732 <a name="l00814"></a>00814 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgFind); |
|
733 <a name="l00815"></a>00815 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
734 <a name="l00816"></a>00816 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
735 <a name="l00817"></a>00817 |
|
736 <a name="l00818"></a>00818 <span class="comment">// Initialise to -1.</span> |
|
737 <a name="l00819"></a>00819 <span class="comment">// Its value will be set to 0 if the Search is successful.</span> |
|
738 <a name="l00820"></a>00820 TInt index = -1; |
|
739 <a name="l00821"></a>00821 |
|
740 <a name="l00822"></a>00822 <span class="comment">// Perform the search.</span> |
|
741 <a name="l00823"></a>00823 TInt res = aFixFlat.Find ( |
|
742 <a name="l00824"></a>00824 theIntPtrElement, <span class="comment">// The object whose</span> |
|
743 <a name="l00825"></a>00825 <span class="comment">// key is used for comparison.</span> |
|
744 <a name="l00826"></a>00826 keyIntPtr, <span class="comment">// The key object that</span> |
|
745 <a name="l00827"></a>00827 <span class="comment">// defines the property of the key.</span> |
|
746 <a name="l00828"></a>00828 index |
|
747 <a name="l00829"></a>00829 ); |
|
748 <a name="l00830"></a>00830 |
|
749 <a name="l00831"></a>00831 <span class="keywordflow">if</span>(res == 0) |
|
750 <a name="l00832"></a>00832 { |
|
751 <a name="l00833"></a>00833 <span class="comment">// The index variable holds the index of the element found.</span> |
|
752 <a name="l00834"></a>00834 _LIT(KElementFound,<span class="stringliteral">"\nElement found at index: %d\n"</span>); |
|
753 <a name="l00835"></a>00835 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KElementFound,index); |
|
754 <a name="l00836"></a>00836 } |
|
755 <a name="l00837"></a>00837 |
|
756 <a name="l00838"></a>00838 <span class="keywordflow">else</span> |
|
757 <a name="l00839"></a>00839 { |
|
758 <a name="l00840"></a>00840 <span class="comment">// The element is not found.</span> |
|
759 <a name="l00841"></a>00841 _LIT(KElementNotFound,<span class="stringliteral">"\nElement not found"</span>); |
|
760 <a name="l00842"></a>00842 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KElementNotFound); |
|
761 <a name="l00843"></a>00843 } |
|
762 <a name="l00844"></a>00844 |
|
763 <a name="l00845"></a>00845 CleanupStack::PopAndDestroy(3, ptrInt1); <span class="comment">// ptrInt3, ptrInt2 and ptrInt1.</span> |
|
764 <a name="l00846"></a>00846 } |
|
765 <a name="l00847"></a>00847 |
|
766 <a name="l00852"></a>00852 <span class="keywordtype">void</span> DemoRArrayL(RArray<CArrayElement>& aArray) |
|
767 <a name="l00853"></a>00853 { |
|
768 <a name="l00854"></a>00854 CArrayElement arrayElement; |
|
769 <a name="l00855"></a>00855 |
|
770 <a name="l00856"></a>00856 <span class="comment">//</span> |
|
771 <a name="l00857"></a>00857 <span class="comment">// AppendL * * * * * * * * *</span> |
|
772 <a name="l00858"></a>00858 <span class="comment">//</span> |
|
773 <a name="l00859"></a>00859 _LIT(KMsgAppend,<span class="stringliteral">"\n\n--->AppendL"</span>); |
|
774 <a name="l00860"></a>00860 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgAppend); |
|
775 <a name="l00861"></a>00861 |
|
776 <a name="l00862"></a>00862 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
777 <a name="l00863"></a>00863 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
778 <a name="l00864"></a>00864 |
|
779 <a name="l00865"></a>00865 TInt value; |
|
780 <a name="l00866"></a>00866 <span class="keywordflow">for</span> (value = 0; value < 3; value++) |
|
781 <a name="l00867"></a>00867 { |
|
782 <a name="l00868"></a>00868 <span class="comment">// Formats and copies text into this descriptor, replacing any existing data.</span> |
|
783 <a name="l00869"></a>00869 arrayElement.iData.Format(KFormat1,value); |
|
784 <a name="l00870"></a>00870 aArray.AppendL(arrayElement); <span class="comment">// leaves with one of the system wide error codes, if the operation fails.</span> |
|
785 <a name="l00871"></a>00871 } |
|
786 <a name="l00872"></a>00872 |
|
787 <a name="l00873"></a>00873 <span class="comment">// Show number of elements</span> |
|
788 <a name="l00874"></a>00874 _LIT(KCommonFormat3,<span class="stringliteral">"\nCount()=%d"</span>); |
|
789 <a name="l00875"></a>00875 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat3,aArray.Count()); |
|
790 <a name="l00876"></a>00876 |
|
791 <a name="l00877"></a>00877 <span class="comment">// Show each element</span> |
|
792 <a name="l00878"></a>00878 TInt forix; |
|
793 <a name="l00879"></a>00879 _LIT(KCommonFormat4,<span class="stringliteral">"\n%S"</span>); |
|
794 <a name="l00880"></a>00880 <span class="keywordflow">for</span> (forix = 0; forix < aArray.Count(); forix++) |
|
795 <a name="l00881"></a>00881 { |
|
796 <a name="l00882"></a>00882 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat4,&(aArray)[forix].iData); |
|
797 <a name="l00883"></a>00883 } |
|
798 <a name="l00884"></a>00884 |
|
799 <a name="l00885"></a>00885 <span class="comment">//</span> |
|
800 <a name="l00886"></a>00886 <span class="comment">// InsertL * * * * * * * * *</span> |
|
801 <a name="l00887"></a>00887 <span class="comment">//</span> |
|
802 <a name="l00888"></a>00888 _LIT(KMsgInsert,<span class="stringliteral">"\n\n--->InsertL"</span>); |
|
803 <a name="l00889"></a>00889 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgInsert); |
|
804 <a name="l00890"></a>00890 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
805 <a name="l00891"></a>00891 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
806 <a name="l00892"></a>00892 |
|
807 <a name="l00893"></a>00893 <span class="comment">// Inserts objects into the array at a specified position.</span> |
|
808 <a name="l00894"></a>00894 <span class="comment">// It increases the size of the dynamic array.</span> |
|
809 <a name="l00895"></a>00895 <span class="comment">// This function leaves with one of the system error codes, if the operation fails.</span> |
|
810 <a name="l00896"></a>00896 |
|
811 <a name="l00897"></a>00897 <span class="comment">// Insert arrayElements</span> |
|
812 <a name="l00898"></a>00898 <span class="comment">// ... at the beginning,</span> |
|
813 <a name="l00899"></a>00899 _LIT(KMsgBEG,<span class="stringliteral">"BEG"</span>); |
|
814 <a name="l00900"></a>00900 arrayElement.iData = KMsgBEG; |
|
815 <a name="l00901"></a>00901 aArray.InsertL(arrayElement, 0); |
|
816 <a name="l00902"></a>00902 |
|
817 <a name="l00903"></a>00903 <span class="comment">// ... near the middle,</span> |
|
818 <a name="l00904"></a>00904 _LIT(KMsgMID,<span class="stringliteral">"MID"</span>); |
|
819 <a name="l00905"></a>00905 arrayElement.iData = KMsgMID; |
|
820 <a name="l00906"></a>00906 aArray.InsertL(arrayElement, 2); |
|
821 <a name="l00907"></a>00907 |
|
822 <a name="l00908"></a>00908 <span class="comment">// ... at the end.</span> |
|
823 <a name="l00909"></a>00909 <span class="comment">// This is the same as using the AppendL() function</span> |
|
824 <a name="l00910"></a>00910 _LIT(KMsgEND,<span class="stringliteral">"END"</span>); |
|
825 <a name="l00911"></a>00911 arrayElement.iData = KMsgEND; |
|
826 <a name="l00912"></a>00912 aArray.InsertL(arrayElement,aArray.Count()); |
|
827 <a name="l00913"></a>00913 |
|
828 <a name="l00914"></a>00914 <span class="comment">// Show number of elements</span> |
|
829 <a name="l00915"></a>00915 _LIT(KCommonFormat5,<span class="stringliteral">"Count()=%d"</span>); |
|
830 <a name="l00916"></a>00916 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat5,aArray.Count()); |
|
831 <a name="l00917"></a>00917 |
|
832 <a name="l00918"></a>00918 <span class="comment">//</span> |
|
833 <a name="l00919"></a>00919 <span class="comment">// Access elements * * * * * * * * *</span> |
|
834 <a name="l00920"></a>00920 <span class="comment">//</span> |
|
835 <a name="l00921"></a>00921 _LIT(KMsgAccess,<span class="stringliteral">"\n\n--->Access"</span>); |
|
836 <a name="l00922"></a>00922 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgAccess); |
|
837 <a name="l00923"></a>00923 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
838 <a name="l00924"></a>00924 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
839 <a name="l00925"></a>00925 |
|
840 <a name="l00926"></a>00926 <span class="comment">// Show each element</span> |
|
841 <a name="l00927"></a>00927 <span class="keywordflow">for</span> (forix = 0; forix < aArray.Count(); forix++) |
|
842 <a name="l00928"></a>00928 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat4,&(aArray)[forix].iData); |
|
843 <a name="l00929"></a>00929 |
|
844 <a name="l00930"></a>00930 <span class="comment">//</span> |
|
845 <a name="l00931"></a>00931 <span class="comment">// Delete * * * * * * * * *</span> |
|
846 <a name="l00932"></a>00932 <span class="comment">//</span> |
|
847 <a name="l00933"></a>00933 _LIT(KMsgDelete,<span class="stringliteral">"\n\n--->Delete"</span>); |
|
848 <a name="l00934"></a>00934 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgDelete); |
|
849 <a name="l00935"></a>00935 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
850 <a name="l00936"></a>00936 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
851 <a name="l00937"></a>00937 |
|
852 <a name="l00938"></a>00938 TInt index2; |
|
853 <a name="l00939"></a>00939 index2 = aArray.Count(); |
|
854 <a name="l00940"></a>00940 |
|
855 <a name="l00941"></a>00941 <span class="comment">// Removes the objects at a specified position from the array.</span> |
|
856 <a name="l00942"></a>00942 <span class="comment">// It shrinks the array.</span> |
|
857 <a name="l00943"></a>00943 |
|
858 <a name="l00944"></a>00944 <span class="comment">// Delete the last element</span> |
|
859 <a name="l00945"></a>00945 arrayElement = (aArray)[--index2]; |
|
860 <a name="l00946"></a>00946 aArray.Remove(index2); |
|
861 <a name="l00947"></a>00947 |
|
862 <a name="l00948"></a>00948 <span class="comment">// Show number of elements</span> |
|
863 <a name="l00949"></a>00949 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat5,aArray.Count()); |
|
864 <a name="l00950"></a>00950 |
|
865 <a name="l00951"></a>00951 <span class="comment">// Show each element</span> |
|
866 <a name="l00952"></a>00952 <span class="keywordflow">for</span> (forix = 0; forix < aArray.Count(); forix++) |
|
867 <a name="l00953"></a>00953 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat4,&(aArray)[forix].iData); |
|
868 <a name="l00954"></a>00954 |
|
869 <a name="l00955"></a>00955 <span class="comment">//</span> |
|
870 <a name="l00956"></a>00956 <span class="comment">// Find * * * * * * * * *</span> |
|
871 <a name="l00957"></a>00957 <span class="comment">//</span> |
|
872 <a name="l00958"></a>00958 _LIT(KMsgFind,<span class="stringliteral">"\n\n--->Find in various ways"</span>); |
|
873 <a name="l00959"></a>00959 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgFind); |
|
874 <a name="l00960"></a>00960 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
875 <a name="l00961"></a>00961 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
876 <a name="l00962"></a>00962 |
|
877 <a name="l00963"></a>00963 TInt pos =0; |
|
878 <a name="l00964"></a>00964 |
|
879 <a name="l00965"></a>00965 <span class="comment">// Find a particular element in different ways.</span> |
|
880 <a name="l00966"></a>00966 arrayElement = (aArray)[--index2]; |
|
881 <a name="l00967"></a>00967 |
|
882 <a name="l00968"></a>00968 _LIT(KCommonFormat6,<span class="stringliteral">"\nElement %S is found at position %d"</span>); |
|
883 <a name="l00969"></a>00969 |
|
884 <a name="l00970"></a>00970 <span class="comment">// Finds the first object in the array which matches the specified object using a sequential search and a matching algorithm.</span> |
|
885 <a name="l00971"></a>00971 pos=aArray.Find(arrayElement, TIdentityRelation<CArrayElement>()); |
|
886 <a name="l00972"></a>00972 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat6, &(aArray)[pos].iData, pos); |
|
887 <a name="l00973"></a>00973 |
|
888 <a name="l00974"></a>00974 <span class="comment">// Finds the last object in the array which matches the specified object using a sequential search and a matching algorithm.</span> |
|
889 <a name="l00975"></a>00975 pos=aArray.FindReverse(arrayElement, TIdentityRelation<CArrayElement>()); |
|
890 <a name="l00976"></a>00976 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat6, &(aArray)[pos].iData, pos); |
|
891 <a name="l00977"></a>00977 |
|
892 <a name="l00978"></a>00978 <span class="comment">// Finds the object in the array which matches the specified object using a binary search technique.It assumes that objects are in signed key order</span> |
|
893 <a name="l00979"></a>00979 pos=aArray.FindInSignedKeyOrder(arrayElement); |
|
894 <a name="l00980"></a>00980 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat6,&(aArray)[pos].iData, pos); |
|
895 <a name="l00981"></a>00981 |
|
896 <a name="l00982"></a>00982 <span class="comment">// Finds the object in the array which matches the specified object using a binary search technique. It assumes that objects are in unsigned key order.</span> |
|
897 <a name="l00983"></a>00983 pos=aArray.FindInUnsignedKeyOrder(arrayElement); |
|
898 <a name="l00984"></a>00984 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat6,&(aArray)[pos].iData, pos); |
|
899 <a name="l00985"></a>00985 |
|
900 <a name="l00986"></a>00986 <span class="comment">// Finds the object in the array which matches the specified object using a binary search technique.In case of more than one matching element, finds last</span> |
|
901 <a name="l00987"></a>00987 <span class="comment">// match as specified in the second parameter.It assumes that objects are in signed key order</span> |
|
902 <a name="l00988"></a>00988 pos=aArray.SpecificFindInSignedKeyOrder(arrayElement, EArrayFindMode_Last); |
|
903 <a name="l00989"></a>00989 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat6,&(aArray)[pos].iData, pos); |
|
904 <a name="l00990"></a>00990 |
|
905 <a name="l00991"></a>00991 <span class="comment">// Finds the object in the array which matches the specified object using a binary search technique.In case of more than one matching element, finds last</span> |
|
906 <a name="l00992"></a>00992 <span class="comment">// match as specified in the second parameter.It assumes that objects are in unsigned key order</span> |
|
907 <a name="l00993"></a>00993 pos=aArray.SpecificFindInUnsignedKeyOrder(arrayElement, EArrayFindMode_Last); |
|
908 <a name="l00994"></a>00994 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat6,&(aArray)[pos].iData, pos); |
|
909 <a name="l00995"></a>00995 |
|
910 <a name="l00996"></a>00996 <span class="comment">// Closes the array and frees all memory allocated to the array</span> |
|
911 <a name="l00997"></a>00997 aArray.Close(); |
|
912 <a name="l00998"></a>00998 } |
|
913 <a name="l00999"></a>00999 |
|
914 <a name="l01000"></a>01000 <span class="keywordtype">void</span> DemoRArraySort() |
|
915 <a name="l01001"></a>01001 { |
|
916 <a name="l01002"></a>01002 <span class="comment">//</span> |
|
917 <a name="l01003"></a>01003 <span class="comment">// Sort * * * * * * * * *</span> |
|
918 <a name="l01004"></a>01004 <span class="comment">//</span> |
|
919 <a name="l01005"></a>01005 _LIT(KSortFind,<span class="stringliteral">"\n\n--->Sort"</span>); |
|
920 <a name="l01006"></a>01006 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KSortFind); |
|
921 <a name="l01007"></a>01007 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
922 <a name="l01008"></a>01008 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
923 <a name="l01009"></a>01009 |
|
924 <a name="l01010"></a>01010 TLinearOrder<TInt64> Int64Order(Order64Bit); |
|
925 <a name="l01011"></a>01011 TInt count=10; |
|
926 <a name="l01012"></a>01012 |
|
927 <a name="l01013"></a>01013 <span class="comment">// Construct two arrays of 64-bit signed integer type objects.</span> |
|
928 <a name="l01014"></a>01014 <span class="comment">// Append random objects to first array.</span> |
|
929 <a name="l01015"></a>01015 <span class="comment">// Sort all objects of first array in the second array</span> |
|
930 <a name="l01016"></a>01016 |
|
931 <a name="l01017"></a>01017 RArray<TInt64> firstArray(count); |
|
932 <a name="l01018"></a>01018 RArray<TInt64> secondArray(count); |
|
933 <a name="l01019"></a>01019 |
|
934 <a name="l01020"></a>01020 <span class="keywordflow">for</span> (TInt j=0; j<count; j++) |
|
935 <a name="l01021"></a>01021 { |
|
936 <a name="l01022"></a>01022 TInt64 x=(TInt64)(((TUint)Math::Random() %count)); |
|
937 <a name="l01023"></a>01023 |
|
938 <a name="l01024"></a>01024 firstArray.Append(x); |
|
939 <a name="l01025"></a>01025 secondArray.InsertInOrderAllowRepeats(x,Int64Order); |
|
940 <a name="l01026"></a>01026 } |
|
941 <a name="l01027"></a>01027 |
|
942 <a name="l01028"></a>01028 <span class="comment">// Show the initial array elements of first array.</span> |
|
943 <a name="l01029"></a>01029 _LIT(KInitialArrayElements,<span class="stringliteral">"\nInitial array elements are:"</span>); |
|
944 <a name="l01030"></a>01030 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KInitialArrayElements); |
|
945 <a name="l01031"></a>01031 |
|
946 <a name="l01032"></a>01032 _LIT(KCommonFormat7,<span class="stringliteral">" %d"</span>); |
|
947 <a name="l01033"></a>01033 TInt forix; |
|
948 <a name="l01034"></a>01034 <span class="keywordflow">for</span> (forix = 0; forix < count; forix++) |
|
949 <a name="l01035"></a>01035 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat7,firstArray[forix]); |
|
950 <a name="l01036"></a>01036 |
|
951 <a name="l01037"></a>01037 <span class="comment">// Sorts the objects within the array using the specified TLinearOrder</span> |
|
952 <a name="l01038"></a>01038 secondArray.Sort(Int64Order); |
|
953 <a name="l01039"></a>01039 |
|
954 <a name="l01040"></a>01040 <span class="comment">// Show sorted array elements of second array</span> |
|
955 <a name="l01041"></a>01041 _LIT(KSortedArrayElements,<span class="stringliteral">"\nSorted array elements are:"</span>); |
|
956 <a name="l01042"></a>01042 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KSortedArrayElements); |
|
957 <a name="l01043"></a>01043 <span class="keywordflow">for</span> (forix = 0; forix < count; forix++) |
|
958 <a name="l01044"></a>01044 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat7,secondArray[forix]); |
|
959 <a name="l01045"></a>01045 |
|
960 <a name="l01046"></a>01046 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
961 <a name="l01047"></a>01047 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgNewLine); |
|
962 <a name="l01048"></a>01048 |
|
963 <a name="l01049"></a>01049 <span class="comment">// Closes both the arrays and frees all the memory allocated to these arrays</span> |
|
964 <a name="l01050"></a>01050 firstArray.Close(); |
|
965 <a name="l01051"></a>01051 secondArray.Close(); |
|
966 <a name="l01052"></a>01052 } |
|
967 <a name="l01053"></a>01053 |
|
968 <a name="l01054"></a>01054 <span class="keywordtype">void</span> DemoRPointerArrayL(RPointerArray<CElement>& aPointerArray) |
|
969 <a name="l01055"></a>01055 { |
|
970 <a name="l01056"></a>01056 CElement* elementptr; |
|
971 <a name="l01057"></a>01057 |
|
972 <a name="l01058"></a>01058 <span class="comment">//</span> |
|
973 <a name="l01059"></a>01059 <span class="comment">// AppendL * * * * * * * * *</span> |
|
974 <a name="l01060"></a>01060 <span class="comment">//</span> |
|
975 <a name="l01061"></a>01061 _LIT(KMsgAppend,<span class="stringliteral">"\n\n--->AppendL"</span>); |
|
976 <a name="l01062"></a>01062 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgAppend); |
|
977 <a name="l01063"></a>01063 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
978 <a name="l01064"></a>01064 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
979 <a name="l01065"></a>01065 |
|
980 <a name="l01066"></a>01066 <span class="comment">// Append the first element.</span> |
|
981 <a name="l01067"></a>01067 elementptr = <span class="keyword">new</span> (ELeave) CElement; |
|
982 <a name="l01068"></a>01068 _LIT(KMsgFirstElement,<span class="stringliteral">"First Element"</span>); |
|
983 <a name="l01069"></a>01069 elementptr->SetTextL(KMsgFirstElement); |
|
984 <a name="l01070"></a>01070 aPointerArray.AppendL(elementptr); |
|
985 <a name="l01071"></a>01071 |
|
986 <a name="l01072"></a>01072 <span class="comment">// Append the second element.</span> |
|
987 <a name="l01073"></a>01073 elementptr = <span class="keyword">new</span> (ELeave) CElement; |
|
988 <a name="l01074"></a>01074 _LIT(KMsgSecondElement,<span class="stringliteral">"Second Element"</span>); |
|
989 <a name="l01075"></a>01075 elementptr->SetTextL(KMsgSecondElement); |
|
990 <a name="l01076"></a>01076 aPointerArray.AppendL(elementptr); |
|
991 <a name="l01077"></a>01077 |
|
992 <a name="l01078"></a>01078 <span class="comment">// Append the third element.</span> |
|
993 <a name="l01079"></a>01079 elementptr = <span class="keyword">new</span> (ELeave) CElement; |
|
994 <a name="l01080"></a>01080 _LIT(KMsgThirdElement,<span class="stringliteral">"Third Element"</span>); |
|
995 <a name="l01081"></a>01081 elementptr->SetTextL(KMsgThirdElement); |
|
996 <a name="l01082"></a>01082 aPointerArray.AppendL(elementptr); |
|
997 <a name="l01083"></a>01083 |
|
998 <a name="l01084"></a>01084 <span class="comment">// Show number of elements</span> |
|
999 <a name="l01085"></a>01085 _LIT(KCommonFormat3,<span class="stringliteral">"\nCount()=%d"</span>); |
|
1000 <a name="l01086"></a>01086 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat3,aPointerArray.Count()); |
|
1001 <a name="l01087"></a>01087 |
|
1002 <a name="l01088"></a>01088 <span class="comment">// Show each element</span> |
|
1003 <a name="l01089"></a>01089 _LIT(KCommonFormat4,<span class="stringliteral">"\n%S"</span>); |
|
1004 <a name="l01090"></a>01090 TInt forix; |
|
1005 <a name="l01091"></a>01091 <span class="keywordflow">for</span> (forix = 0; forix < aPointerArray.Count(); forix++) |
|
1006 <a name="l01092"></a>01092 { |
|
1007 <a name="l01093"></a>01093 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat4,aPointerArray[forix]->iBuf); |
|
1008 <a name="l01094"></a>01094 } |
|
1009 <a name="l01095"></a>01095 |
|
1010 <a name="l01096"></a>01096 <span class="comment">//</span> |
|
1011 <a name="l01097"></a>01097 <span class="comment">// InsertL * * * * * * * * *</span> |
|
1012 <a name="l01098"></a>01098 <span class="comment">//</span> |
|
1013 <a name="l01099"></a>01099 _LIT(KMsgInsert,<span class="stringliteral">"\n\n--->InsertL"</span>); |
|
1014 <a name="l01100"></a>01100 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgInsert); |
|
1015 <a name="l01101"></a>01101 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
1016 <a name="l01102"></a>01102 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
1017 <a name="l01103"></a>01103 |
|
1018 <a name="l01104"></a>01104 <span class="comment">// Inserts objects into the array at a specified position.</span> |
|
1019 <a name="l01105"></a>01105 <span class="comment">// It increases the size of the dynamic array.</span> |
|
1020 <a name="l01106"></a>01106 |
|
1021 <a name="l01107"></a>01107 <span class="comment">// Insert an element at the beginning</span> |
|
1022 <a name="l01108"></a>01108 <span class="comment">// of the array</span> |
|
1023 <a name="l01109"></a>01109 elementptr = <span class="keyword">new</span> (ELeave) CElement; |
|
1024 <a name="l01110"></a>01110 _LIT(KMsgInsertedBeg,<span class="stringliteral">"Inserted @ beginning Element"</span>); |
|
1025 <a name="l01111"></a>01111 elementptr->SetTextL(KMsgInsertedBeg); |
|
1026 <a name="l01112"></a>01112 aPointerArray.InsertL(elementptr, 0); |
|
1027 <a name="l01113"></a>01113 |
|
1028 <a name="l01114"></a>01114 <span class="comment">// Show number of elements</span> |
|
1029 <a name="l01115"></a>01115 _LIT(KCommonFormat5,<span class="stringliteral">"Count()=%d"</span>); |
|
1030 <a name="l01116"></a>01116 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat5,aPointerArray.Count()); |
|
1031 <a name="l01117"></a>01117 |
|
1032 <a name="l01118"></a>01118 <span class="comment">//</span> |
|
1033 <a name="l01119"></a>01119 <span class="comment">// Access * * * * * * * * *</span> |
|
1034 <a name="l01120"></a>01120 <span class="comment">//</span> |
|
1035 <a name="l01121"></a>01121 <span class="comment">// Show each element</span> |
|
1036 <a name="l01122"></a>01122 <span class="keywordflow">for</span> (forix = 0; forix < aPointerArray.Count(); forix++) |
|
1037 <a name="l01123"></a>01123 { |
|
1038 <a name="l01124"></a>01124 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat4,aPointerArray[forix]->iBuf); |
|
1039 <a name="l01125"></a>01125 } |
|
1040 <a name="l01126"></a>01126 |
|
1041 <a name="l01127"></a>01127 <span class="comment">//</span> |
|
1042 <a name="l01128"></a>01128 <span class="comment">// Delete * * * * * * * * *</span> |
|
1043 <a name="l01129"></a>01129 <span class="comment">//</span> |
|
1044 <a name="l01130"></a>01130 _LIT(KMsgDelete,<span class="stringliteral">"\n\n--->Delete"</span>); |
|
1045 <a name="l01131"></a>01131 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgDelete); |
|
1046 <a name="l01132"></a>01132 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
1047 <a name="l01133"></a>01133 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
1048 <a name="l01134"></a>01134 |
|
1049 <a name="l01135"></a>01135 <span class="comment">// Delete the last elements from the array BUT</span> |
|
1050 <a name="l01136"></a>01136 <span class="comment">// first we must get a reference to the element</span> |
|
1051 <a name="l01137"></a>01137 <span class="comment">// (pointers to CElement objects) otherwise</span> |
|
1052 <a name="l01138"></a>01138 <span class="comment">// the CElement objects are orphaned.</span> |
|
1053 <a name="l01139"></a>01139 <span class="comment">//</span> |
|
1054 <a name="l01140"></a>01140 <span class="comment">// Here, we destroy the CElement object. It shrinks the array.</span> |
|
1055 <a name="l01141"></a>01141 <span class="comment">//</span> |
|
1056 <a name="l01142"></a>01142 <span class="comment">// Use [] operator for indexing in to the array.</span> |
|
1057 <a name="l01143"></a>01143 TInt index1; |
|
1058 <a name="l01144"></a>01144 index1 = aPointerArray.Count(); |
|
1059 <a name="l01145"></a>01145 |
|
1060 <a name="l01146"></a>01146 elementptr = aPointerArray[--index1]; |
|
1061 <a name="l01147"></a>01147 aPointerArray.Remove(index1); |
|
1062 <a name="l01148"></a>01148 <span class="keyword">delete</span> elementptr; |
|
1063 <a name="l01149"></a>01149 |
|
1064 <a name="l01150"></a>01150 <span class="comment">// Show number of elements</span> |
|
1065 <a name="l01151"></a>01151 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat5,aPointerArray.Count()); |
|
1066 <a name="l01152"></a>01152 |
|
1067 <a name="l01153"></a>01153 <span class="comment">// Show each element</span> |
|
1068 <a name="l01154"></a>01154 <span class="keywordflow">for</span> (forix = 0; forix < aPointerArray.Count(); forix++) |
|
1069 <a name="l01155"></a>01155 { |
|
1070 <a name="l01156"></a>01156 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat4,aPointerArray[forix]->iBuf); |
|
1071 <a name="l01157"></a>01157 } |
|
1072 <a name="l01158"></a>01158 |
|
1073 <a name="l01159"></a>01159 <span class="comment">//</span> |
|
1074 <a name="l01160"></a>01160 <span class="comment">// Find * * * * * * * * *</span> |
|
1075 <a name="l01161"></a>01161 <span class="comment">//</span> |
|
1076 <a name="l01162"></a>01162 _LIT(KMsgFind,<span class="stringliteral">"\n--->Find"</span>); |
|
1077 <a name="l01163"></a>01163 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgFind); |
|
1078 <a name="l01164"></a>01164 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
1079 <a name="l01165"></a>01165 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
1080 <a name="l01166"></a>01166 |
|
1081 <a name="l01167"></a>01167 elementptr = aPointerArray[index1-2]; |
|
1082 <a name="l01168"></a>01168 |
|
1083 <a name="l01169"></a>01169 _LIT(KCommonFormat8,<span class="stringliteral">"\nElement found at position %d"</span>); |
|
1084 <a name="l01170"></a>01170 |
|
1085 <a name="l01171"></a>01171 <span class="comment">// Finds the first object pointer in the array which matches the specified object pointer, using a sequential search.</span> |
|
1086 <a name="l01172"></a>01172 TInt result=aPointerArray.Find(elementptr); |
|
1087 <a name="l01173"></a>01173 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat8, result); |
|
1088 <a name="l01174"></a>01174 |
|
1089 <a name="l01175"></a>01175 <span class="comment">// Finds the last object pointer in the array which matches the specified object pointer, using a sequential search.</span> |
|
1090 <a name="l01176"></a>01176 result=aPointerArray.FindReverse(elementptr); |
|
1091 <a name="l01177"></a>01177 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat8, result); |
|
1092 <a name="l01178"></a>01178 |
|
1093 <a name="l01179"></a>01179 <span class="comment">// Finds the object pointer in the array that matches the specified object pointer, using a binary search technique.</span> |
|
1094 <a name="l01180"></a>01180 <span class="comment">// It assumes that object pointers in the array are in address order.</span> |
|
1095 <a name="l01181"></a>01181 result=aPointerArray.FindInAddressOrder(elementptr); |
|
1096 <a name="l01182"></a>01182 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat8, result); |
|
1097 <a name="l01183"></a>01183 |
|
1098 <a name="l01184"></a>01184 <span class="comment">//</span> |
|
1099 <a name="l01185"></a>01185 <span class="comment">// Sort * * * * * * * * *</span> |
|
1100 <a name="l01186"></a>01186 <span class="comment">//</span> |
|
1101 <a name="l01187"></a>01187 _LIT(KSortFind,<span class="stringliteral">"\n\n--->Sort"</span>); |
|
1102 <a name="l01188"></a>01188 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KSortFind); |
|
1103 <a name="l01189"></a>01189 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
1104 <a name="l01190"></a>01190 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
1105 <a name="l01191"></a>01191 |
|
1106 <a name="l01192"></a>01192 <span class="comment">// ResetAndDestroy * * * * * * * * *</span> |
|
1107 <a name="l01193"></a>01193 <span class="comment">//</span> |
|
1108 <a name="l01194"></a>01194 _LIT(KMsgResetDestroy,<span class="stringliteral">"\n\n--->ResetAndDestroy"</span>); |
|
1109 <a name="l01195"></a>01195 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgResetDestroy); |
|
1110 <a name="l01196"></a>01196 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
1111 <a name="l01197"></a>01197 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
1112 <a name="l01198"></a>01198 |
|
1113 <a name="l01199"></a>01199 <span class="comment">// Empties the array and deletes the referenced objects.</span> |
|
1114 <a name="l01200"></a>01200 <span class="comment">// It frees all memory allocated to the array and resets the internal state so that it is ready to be reused.</span> |
|
1115 <a name="l01201"></a>01201 aPointerArray.ResetAndDestroy(); |
|
1116 <a name="l01202"></a>01202 } |
|
1117 <a name="l01203"></a>01203 |
|
1118 <a name="l01204"></a>01204 <span class="keywordtype">void</span> DemoSortRPointerArray() |
|
1119 <a name="l01205"></a>01205 { |
|
1120 <a name="l01206"></a>01206 <span class="comment">// Construct two arrays of TAny pointer objects.</span> |
|
1121 <a name="l01207"></a>01207 <span class="comment">// Append random objects to first pointer array.</span> |
|
1122 <a name="l01208"></a>01208 <span class="comment">// Sort all objects of first array in the second pointer array.</span> |
|
1123 <a name="l01209"></a>01209 RPointerArray<TAny> firstpointerarray; |
|
1124 <a name="l01210"></a>01210 RPointerArray<TAny> secondpointerarray; |
|
1125 <a name="l01211"></a>01211 |
|
1126 <a name="l01212"></a>01212 TInt count = 10; |
|
1127 <a name="l01213"></a>01213 <span class="keywordflow">for</span> (TInt i=0; i<count; i++) |
|
1128 <a name="l01214"></a>01214 { |
|
1129 <a name="l01215"></a>01215 TAny* x=(TAny*)(((TUint)Math::Random() %count)); |
|
1130 <a name="l01216"></a>01216 firstpointerarray.Append(x); |
|
1131 <a name="l01217"></a>01217 secondpointerarray.InsertInAddressOrderAllowRepeats(x); |
|
1132 <a name="l01218"></a>01218 } |
|
1133 <a name="l01219"></a>01219 |
|
1134 <a name="l01220"></a>01220 <span class="comment">// Show initial array elements of first array</span> |
|
1135 <a name="l01221"></a>01221 _LIT(KInitialArrayElements,<span class="stringliteral">"\nInitial array elements are:"</span>); |
|
1136 <a name="l01222"></a>01222 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KInitialArrayElements); |
|
1137 <a name="l01223"></a>01223 |
|
1138 <a name="l01224"></a>01224 _LIT(KCommonFormat7,<span class="stringliteral">"Array Contents %d \n"</span>); |
|
1139 <a name="l01225"></a>01225 TInt forix; |
|
1140 <a name="l01226"></a>01226 <span class="keywordflow">for</span> (forix = 0; forix < count; forix++) |
|
1141 <a name="l01227"></a>01227 { |
|
1142 <a name="l01228"></a>01228 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat7,firstpointerarray[forix]); |
|
1143 <a name="l01229"></a>01229 } |
|
1144 <a name="l01230"></a>01230 |
|
1145 <a name="l01231"></a>01231 <span class="comment">// Sorts the object pointers within the array into address order</span> |
|
1146 <a name="l01232"></a>01232 secondpointerarray.SortIntoAddressOrder(); |
|
1147 <a name="l01233"></a>01233 |
|
1148 <a name="l01234"></a>01234 <span class="comment">// Show sorted array elements of second array</span> |
|
1149 <a name="l01235"></a>01235 _LIT(KSortedArrayElements,<span class="stringliteral">"\nSorted array elements are:"</span>); |
|
1150 <a name="l01236"></a>01236 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KSortedArrayElements); |
|
1151 <a name="l01237"></a>01237 <span class="keywordflow">for</span> (forix = 0; forix < count; forix++) |
|
1152 <a name="l01238"></a>01238 { |
|
1153 <a name="l01239"></a>01239 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KCommonFormat7,secondpointerarray[forix]); |
|
1154 <a name="l01240"></a>01240 } |
|
1155 <a name="l01241"></a>01241 |
|
1156 <a name="l01242"></a>01242 <span class="comment">// Closes the arrays and frees all memory allocated to it</span> |
|
1157 <a name="l01243"></a>01243 firstpointerarray.Close(); |
|
1158 <a name="l01244"></a>01244 secondpointerarray.Close(); |
|
1159 <a name="l01245"></a>01245 } |
|
1160 <a name="l01246"></a>01246 <span class="comment">// Do the example</span> |
|
1161 <a name="l01247"></a>01247 LOCAL_C <span class="keywordtype">void</span> doExampleL() |
|
1162 <a name="l01248"></a>01248 { |
|
1163 <a name="l01249"></a>01249 <span class="comment">//************************************************************</span> |
|
1164 <a name="l01250"></a>01250 <span class="comment">// Demonstrate a general fixed length array using</span> |
|
1165 <a name="l01251"></a>01251 <span class="comment">// a flat buffer</span> |
|
1166 <a name="l01252"></a>01252 <span class="comment">//************************************************************</span> |
|
1167 <a name="l01253"></a>01253 |
|
1168 <a name="l01254"></a>01254 CArrayFixFlat<TElement>* fixflat; |
|
1169 <a name="l01255"></a>01255 <span class="comment">// Construct array of TElement objects where the iData</span> |
|
1170 <a name="l01256"></a>01256 <span class="comment">// data member of each element contains "X0", "X1", etc</span> |
|
1171 <a name="l01257"></a>01257 <span class="comment">// Uses the AppendL() function to add the members</span> |
|
1172 <a name="l01258"></a>01258 <span class="comment">// and the [] operator to access elements.</span> |
|
1173 <a name="l01259"></a>01259 fixflat = <span class="keyword">new</span> (ELeave) CArrayFixFlat<TElement>(3); |
|
1174 <a name="l01260"></a>01260 CleanupStack::PushL(fixflat); |
|
1175 <a name="l01261"></a>01261 |
|
1176 <a name="l01262"></a>01262 <span class="comment">// Demonstrate the CArrayFixFlat array.</span> |
|
1177 <a name="l01263"></a>01263 DemoFlatArrayL(*fixflat); |
|
1178 <a name="l01264"></a>01264 |
|
1179 <a name="l01265"></a>01265 <span class="comment">// Delete the fixflat array.</span> |
|
1180 <a name="l01266"></a>01266 CleanupStack::PopAndDestroy(fixflat); <span class="comment">// fixflat</span> |
|
1181 <a name="l01267"></a>01267 <span class="comment">//************************************************************</span> |
|
1182 <a name="l01268"></a>01268 <span class="comment">// Demonstrate an array of pointers to CBase</span> |
|
1183 <a name="l01269"></a>01269 <span class="comment">// derived objects. Uses the specialised array CArrayPtrFlat</span> |
|
1184 <a name="l01270"></a>01270 <span class="comment">//************************************************************</span> |
|
1185 <a name="l01271"></a>01271 _LIT(KMsgArrayOfPointers,<span class="stringliteral">"\nARRAYS OF POINTERS (to CBase derived objects)\n"</span>); |
|
1186 <a name="l01272"></a>01272 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgArrayOfPointers); |
|
1187 <a name="l01273"></a>01273 |
|
1188 <a name="l01274"></a>01274 CArrayPtrFlat<CElement>* ptrflat; |
|
1189 <a name="l01275"></a>01275 |
|
1190 <a name="l01276"></a>01276 <span class="comment">// Construct an array of four CElement objects each</span> |
|
1191 <a name="l01277"></a>01277 <span class="comment">// containing the text "First" "second" etc</span> |
|
1192 <a name="l01278"></a>01278 <span class="comment">// Uses the AppendL() function to add the members</span> |
|
1193 <a name="l01279"></a>01279 <span class="comment">// and the [] operator to access elements.</span> |
|
1194 <a name="l01280"></a>01280 ptrflat = <span class="keyword">new</span> (ELeave) CArrayPtrFlat<CElement>(16); |
|
1195 <a name="l01281"></a>01281 CleanupStack::PushL(ptrflat); |
|
1196 <a name="l01282"></a>01282 |
|
1197 <a name="l01283"></a>01283 <span class="comment">// Demonstrate the CArrayPtrFlat array.</span> |
|
1198 <a name="l01284"></a>01284 DemoPtrArrayL(*ptrflat); |
|
1199 <a name="l01285"></a>01285 |
|
1200 <a name="l01286"></a>01286 <span class="comment">// Delete the array.</span> |
|
1201 <a name="l01287"></a>01287 CleanupStack::PopAndDestroy(ptrflat); <span class="comment">// ptrflat</span> |
|
1202 <a name="l01288"></a>01288 |
|
1203 <a name="l01289"></a>01289 <span class="comment">//************************************************************</span> |
|
1204 <a name="l01290"></a>01290 <span class="comment">// Demonstrate Variable and Packed arrays</span> |
|
1205 <a name="l01291"></a>01291 <span class="comment">// Use TKey to sort these arrays</span> |
|
1206 <a name="l01292"></a>01292 <span class="comment">//************************************************************</span> |
|
1207 <a name="l01293"></a>01293 _LIT(KMsgVarArray,<span class="stringliteral">"\n\nVAR ARRAY\n\n"</span>); |
|
1208 <a name="l01294"></a>01294 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgVarArray); |
|
1209 <a name="l01295"></a>01295 |
|
1210 <a name="l01296"></a>01296 <span class="comment">// Create a Var array.</span> |
|
1211 <a name="l01297"></a>01297 CArrayVarFlat<TText>* varflat = <span class="keyword">new</span> (ELeave) CArrayVarFlat<TText>(3); |
|
1212 <a name="l01298"></a>01298 CleanupStack::PushL(varflat); |
|
1213 <a name="l01299"></a>01299 |
|
1214 <a name="l01300"></a>01300 <span class="comment">// Demonstrate the CArrayVarFlat array.</span> |
|
1215 <a name="l01301"></a>01301 DemoVarArraySortL(*varflat); |
|
1216 <a name="l01302"></a>01302 |
|
1217 <a name="l01303"></a>01303 <span class="comment">// Delete the array.</span> |
|
1218 <a name="l01304"></a>01304 CleanupStack::PopAndDestroy(varflat); <span class="comment">// varflat</span> |
|
1219 <a name="l01305"></a>01305 |
|
1220 <a name="l01306"></a>01306 _LIT(KMsgPakArray,<span class="stringliteral">"\n\nPAK ARRAY\n\n"</span>); |
|
1221 <a name="l01307"></a>01307 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPakArray); |
|
1222 <a name="l01308"></a>01308 |
|
1223 <a name="l01309"></a>01309 <span class="comment">// Create a TKeyArrayPak array.</span> |
|
1224 <a name="l01310"></a>01310 CArrayPakFlat<TText>* pakflat = <span class="keyword">new</span> (ELeave) CArrayPakFlat<TText>(3); |
|
1225 <a name="l01311"></a>01311 CleanupStack::PushL(pakflat); |
|
1226 <a name="l01312"></a>01312 |
|
1227 <a name="l01313"></a>01313 <span class="comment">// Demonstrate the CArrayPakFlat array.</span> |
|
1228 <a name="l01314"></a>01314 DemoPakArrayFindL(*pakflat); |
|
1229 <a name="l01315"></a>01315 |
|
1230 <a name="l01316"></a>01316 <span class="comment">// Delete the array.</span> |
|
1231 <a name="l01317"></a>01317 CleanupStack::PopAndDestroy(pakflat); <span class="comment">// pakflat,</span> |
|
1232 <a name="l01318"></a>01318 |
|
1233 <a name="l01319"></a>01319 <span class="comment">//************************************************************</span> |
|
1234 <a name="l01320"></a>01320 <span class="comment">// Demonstrate the CArrayFix::Find() function using the</span> |
|
1235 <a name="l01321"></a>01321 <span class="comment">// TKey derived class TKeyTIntPtr.</span> |
|
1236 <a name="l01322"></a>01322 <span class="comment">//************************************************************</span> |
|
1237 <a name="l01323"></a>01323 _LIT(KMsgTKeyDerived,<span class="stringliteral">"\nTKEY DERIVED CLASS\n"</span>); |
|
1238 <a name="l01324"></a>01324 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgPressAnyKey); |
|
1239 <a name="l01325"></a>01325 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Getch(); |
|
1240 <a name="l01326"></a>01326 |
|
1241 <a name="l01327"></a>01327 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgTKeyDerived); |
|
1242 <a name="l01328"></a>01328 CArrayFixFlat<TIntPtrElement>* ptrElementArray; |
|
1243 <a name="l01329"></a>01329 <span class="comment">// Construct array of TIntPtrElement objects where the iData</span> |
|
1244 <a name="l01330"></a>01330 <span class="comment">// data member of each element contains "X0", "X1", etc</span> |
|
1245 <a name="l01331"></a>01331 <span class="comment">// Uses the AppendL() function to add the members</span> |
|
1246 <a name="l01332"></a>01332 <span class="comment">// and the [] operator to access elements.</span> |
|
1247 <a name="l01333"></a>01333 ptrElementArray = <span class="keyword">new</span> (ELeave) CArrayFixFlat<TIntPtrElement>(3); |
|
1248 <a name="l01334"></a>01334 CleanupStack::PushL(ptrElementArray); |
|
1249 <a name="l01335"></a>01335 |
|
1250 <a name="l01336"></a>01336 <span class="comment">// Demonstrate the use of TKey derived class.</span> |
|
1251 <a name="l01337"></a>01337 DemoTKeyDerivedL(*ptrElementArray); |
|
1252 <a name="l01338"></a>01338 |
|
1253 <a name="l01339"></a>01339 CleanupStack::PopAndDestroy(ptrElementArray); <span class="comment">// ptrElementArray,</span> |
|
1254 <a name="l01340"></a>01340 |
|
1255 <a name="l01341"></a>01341 <span class="comment">//*****************************************************************</span> |
|
1256 <a name="l01342"></a>01342 <span class="comment">// Demonstrate an array of type RArray for elements of the same size</span> |
|
1257 <a name="l01343"></a>01343 <span class="comment">//*****************************************************************</span> |
|
1258 <a name="l01344"></a>01344 |
|
1259 <a name="l01345"></a>01345 _LIT(KMsgForRArray,<span class="stringliteral">"\n*******Arrays of fixed length objects******"</span>); |
|
1260 <a name="l01346"></a>01346 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgForRArray); |
|
1261 <a name="l01347"></a>01347 |
|
1262 <a name="l01348"></a>01348 RArray<CArrayElement>* array; |
|
1263 <a name="l01349"></a>01349 |
|
1264 <a name="l01350"></a>01350 <span class="comment">// Construct array of CArrayElement objects where the iData</span> |
|
1265 <a name="l01351"></a>01351 <span class="comment">// data member of each element contains "X0", "X1", etc.</span> |
|
1266 <a name="l01352"></a>01352 <span class="comment">// The elements of the array are instances of a class,</span> |
|
1267 <a name="l01353"></a>01353 <span class="comment">// so this is a template class. Refer to the definition of</span> |
|
1268 <a name="l01354"></a>01354 <span class="comment">// element CArrayElement above.</span> |
|
1269 <a name="l01355"></a>01355 <span class="comment">// Uses the AppendL() function to add the members</span> |
|
1270 <a name="l01356"></a>01356 <span class="comment">// and the [] operator to access elements.</span> |
|
1271 <a name="l01357"></a>01357 array = <span class="keyword">new</span> (ELeave) RArray<CArrayElement>(16); <span class="comment">// Initialise the array granularity to 16</span> |
|
1272 <a name="l01358"></a>01358 CleanupStack::PushL(array); |
|
1273 <a name="l01359"></a>01359 <span class="comment">// Demonstrate the use of RArray.</span> |
|
1274 <a name="l01360"></a>01360 DemoRArrayL(*array); |
|
1275 <a name="l01361"></a>01361 |
|
1276 <a name="l01362"></a>01362 CleanupStack::PopAndDestroy(array); |
|
1277 <a name="l01363"></a>01363 <span class="comment">// Demonstrates sorting of the RArray.</span> |
|
1278 <a name="l01364"></a>01364 DemoRArraySort(); |
|
1279 <a name="l01365"></a>01365 |
|
1280 <a name="l01366"></a>01366 |
|
1281 <a name="l01367"></a>01367 <span class="comment">//******************************************************************************</span> |
|
1282 <a name="l01368"></a>01368 <span class="comment">// Demonstrate a simple and efficient array of pointers to objects RPointerArray</span> |
|
1283 <a name="l01369"></a>01369 <span class="comment">//******************************************************************************</span> |
|
1284 <a name="l01370"></a>01370 |
|
1285 <a name="l01371"></a>01371 _LIT(KMsgForRPointerArray,<span class="stringliteral">"\n*******Array of pointers to objects******"</span>); |
|
1286 <a name="l01372"></a>01372 <a class="code" href="dbllist_8cpp.html#d789d40251baeb2f60e118de4856583d">console</a>->Printf(KMsgForRPointerArray); |
|
1287 <a name="l01373"></a>01373 |
|
1288 <a name="l01374"></a>01374 RPointerArray<CElement>* ptrarray; |
|
1289 <a name="l01375"></a>01375 |
|
1290 <a name="l01376"></a>01376 <span class="comment">// Construct an array of four CElement objects each</span> |
|
1291 <a name="l01377"></a>01377 <span class="comment">// containing the text "First", "Second" etc</span> |
|
1292 <a name="l01378"></a>01378 <span class="comment">// Uses the AppendL() function to add the members</span> |
|
1293 <a name="l01379"></a>01379 <span class="comment">// and the [] operator to access elements.</span> |
|
1294 <a name="l01380"></a>01380 <span class="comment">// It leaves with one of the system wide error codes, if the operation fails.</span> |
|
1295 <a name="l01381"></a>01381 ptrarray = <span class="keyword">new</span> (ELeave) RPointerArray<CElement>(16); <span class="comment">// Initialise the array granularity to 16</span> |
|
1296 <a name="l01382"></a>01382 CleanupStack::PushL(array); |
|
1297 <a name="l01383"></a>01383 <span class="comment">// Demonstrate the use of RPointerArray.</span> |
|
1298 <a name="l01384"></a>01384 DemoRPointerArrayL(*ptrarray); |
|
1299 <a name="l01385"></a>01385 CleanupStack::PopAndDestroy(ptrarray); |
|
1300 <a name="l01386"></a>01386 <span class="comment">// Demonstrates sorting of the RPointerArray.</span> |
|
1301 <a name="l01387"></a>01387 DemoSortRPointerArray(); |
|
1302 <a name="l01388"></a>01388 } |
|
1303 <a name="l01389"></a>01389 |
|
1304 </pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Thu Jan 21 10:32:55 2010 for TB10.1 Example Applications by |
|
1305 <a href="http://www.doxygen.org/index.html"> |
|
1306 <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.3 </small></address> |
|
1307 </body> |
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1308 </html> |