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1 /* |
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2 * Copyright (c) 2005,2006 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Represent string pool for dom strings |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 // INCLUDE FILES |
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21 #include "hspsdomstringpool.h" |
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22 |
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23 |
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24 // ============================ LOCAL FUNCTIONS ================================ |
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25 // ----------------------------------------------------------------------------- |
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26 // Adds string to string pool. If string doesn't appear yet, it is added to |
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27 // the string pool and index to pool is returned. |
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28 // @param aString String to add |
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29 // @param aArray A pool which holds strings |
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30 // @return Index to string pool |
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31 // ----------------------------------------------------------------------------- |
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32 // |
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33 LOCAL_C TInt AddToStringPoolL( const TDesC8& aString, RPointerArray<HBufC8>& aArray ) |
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34 { |
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35 TBool found( EFalse ); |
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36 TInt index( 0 ); |
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37 |
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38 TInt count( aArray.Count() ); |
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39 for (; index < count && !found; ) |
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40 { |
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41 if ( aArray[ index ]->Des().Compare( aString ) == 0 ) |
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42 { |
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43 found = ETrue; |
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44 } |
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45 else |
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46 { |
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47 index++; |
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48 } |
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49 } |
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50 if ( !found ) |
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51 { |
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52 HBufC8* tmp = aString.AllocLC(); |
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53 aArray.AppendL( tmp ); |
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54 CleanupStack::Pop( tmp ); |
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55 index = aArray.Count()-1; //Last item |
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56 } |
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57 return index; |
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58 } |
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59 // ============================ MEMBER FUNCTIONS =============================== |
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60 // ----------------------------------------------------------------------------- |
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61 // ChspsDomStringPool::ChspsDomStringPool |
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62 // C++ default constructor can NOT contain any code, that |
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63 // might leave. |
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64 // ----------------------------------------------------------------------------- |
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65 // |
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66 ChspsDomStringPool::ChspsDomStringPool() |
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67 { |
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68 } |
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69 |
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70 // ----------------------------------------------------------------------------- |
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71 // ChspsDomStringPool::ConstructL |
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72 // Symbian 2nd phase constructor can leave. |
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73 // ----------------------------------------------------------------------------- |
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74 // |
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75 void ChspsDomStringPool::ConstructL() |
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76 { |
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77 } |
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78 |
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79 // ----------------------------------------------------------------------------- |
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80 // ChspsDomStringPool::NewL |
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81 // Two-phased constructor. |
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82 // ----------------------------------------------------------------------------- |
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83 // |
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84 ChspsDomStringPool* ChspsDomStringPool::NewL() |
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85 { |
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86 ChspsDomStringPool* self = new( ELeave ) ChspsDomStringPool; |
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87 |
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88 CleanupStack::PushL( self ); |
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89 self->ConstructL(); |
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90 CleanupStack::Pop(self); |
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91 |
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92 return self; |
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93 } |
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94 |
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95 |
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96 // ----------------------------------------------------------------------------- |
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97 // ChspsDomStringPool::NewL |
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98 // Two-phased stream constructor. |
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99 // ----------------------------------------------------------------------------- |
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100 // |
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101 ChspsDomStringPool* ChspsDomStringPool::NewL( RReadStream& aStream ) |
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102 { |
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103 ChspsDomStringPool* self = new( ELeave ) ChspsDomStringPool; |
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104 CleanupStack::PushL( self ); |
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105 aStream >> *self; |
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106 CleanupStack::Pop(self); |
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107 |
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108 return self; |
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109 } |
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110 |
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111 // ----------------------------------------------------------------------------- |
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112 // ChspsDomStringPool::~ChspsDomStringPool |
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113 // Destructor |
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114 // ----------------------------------------------------------------------------- |
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115 // |
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116 ChspsDomStringPool::~ChspsDomStringPool() |
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117 { |
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118 iStringPool.ResetAndDestroy(); |
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119 } |
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120 |
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121 // ----------------------------------------------------------------------------- |
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122 // ChspsDomStringPool::CloneL |
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123 // ----------------------------------------------------------------------------- |
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124 // |
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125 ChspsDomStringPool* ChspsDomStringPool::CloneL() |
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126 { |
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127 ChspsDomStringPool* clone = ChspsDomStringPool::NewL(); |
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128 CleanupStack::PushL( clone ); |
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129 |
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130 TInt count( iStringPool.Count() ); |
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131 for ( TInt i=0; i<count; i++ ) |
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132 { |
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133 HBufC8* tmp = iStringPool[i]->Des().AllocLC(); |
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134 clone->iStringPool.AppendL( tmp ); |
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135 CleanupStack::Pop( tmp ); |
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136 } |
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137 CleanupStack::Pop( clone ); |
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138 return clone; |
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139 } |
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140 |
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141 // ----------------------------------------------------------------------------- |
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142 // ChspsDomNode::AddStringL |
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143 // ----------------------------------------------------------------------------- |
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144 // |
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145 EXPORT_C TInt ChspsDomStringPool::AddStringL( const TDesC8& aString ) |
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146 { |
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147 return AddToStringPoolL( aString, iStringPool ); |
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148 } |
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149 |
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150 // ----------------------------------------------------------------------------- |
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151 // ChspsDomNode::String |
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152 // ----------------------------------------------------------------------------- |
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153 // |
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154 const TDesC8& ChspsDomStringPool::String( const TInt aStringRef ) |
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155 { |
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156 return (*iStringPool[ aStringRef ]); |
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157 } |
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158 |
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159 // ----------------------------------------------------------------------------- |
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160 // ChspsDomStringPool::Size |
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161 // ----------------------------------------------------------------------------- |
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162 // |
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163 TInt ChspsDomStringPool::Size() const |
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164 { |
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165 TInt size( 0 ); |
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166 |
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167 TInt count( iStringPool.Count() ); |
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168 for ( TInt i=0; i<count; i++ ) |
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169 { |
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170 size += sizeof(TInt16); //Length |
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171 size++; //HBufC control mark |
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172 size++; //HBufC control mark |
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173 size += iStringPool[i]->Size(); //Buffer sixe in bytes |
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174 } |
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175 return size; |
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176 } |
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177 |
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178 // ----------------------------------------------------------------------------- |
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179 // ChspsDomStringPool::ExternalizeL |
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180 // ----------------------------------------------------------------------------- |
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181 // |
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182 void ChspsDomStringPool::ExternalizeL( RWriteStream& aStream ) const |
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183 { |
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184 TInt count( iStringPool.Count() ); |
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185 aStream.WriteInt16L( count ); |
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186 |
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187 for ( TInt i=0; i<count; i++ ) |
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188 { |
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189 aStream.WriteInt16L( iStringPool[i]->Length() ); |
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190 aStream << *iStringPool[i]; |
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191 } |
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192 } |
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193 |
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194 // ----------------------------------------------------------------------------- |
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195 // ChspsDomStringPool::InternalizeL |
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196 // ----------------------------------------------------------------------------- |
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197 // |
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198 void ChspsDomStringPool::InternalizeL( RReadStream& aStream ) |
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199 { |
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200 TInt len(0); |
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201 TInt16 count ( aStream.ReadInt16L() ); |
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202 |
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203 for ( TInt i=0; i<count; i++ ) |
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204 { |
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205 len = aStream.ReadInt16L(); |
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206 HBufC8* tmp = HBufC8::NewLC( aStream, len ); |
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207 iStringPool.AppendL( tmp ); |
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208 CleanupStack::Pop( tmp ); |
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209 } |
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210 |
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211 } |
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212 // End of File |