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1 /* |
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2 * Copyright (c) 2005 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: ConML parser/generator |
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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 // Includes |
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21 // ----------------------------------------------------------------------------- |
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22 #include "sconxmlworkspace.h" |
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23 |
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24 // ----------------------------------------------------------------------------- |
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25 // CXMLWorkspace |
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26 // ----------------------------------------------------------------------------- |
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27 CXMLWorkspace::CXMLWorkspace() |
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28 { |
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29 } |
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30 |
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31 // ----------------------------------------------------------------------------- |
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32 // NewL |
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33 // ----------------------------------------------------------------------------- |
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34 CXMLWorkspace* CXMLWorkspace::NewL() |
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35 { |
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36 CXMLWorkspace* self = new (ELeave) CXMLWorkspace(); |
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37 CleanupStack::PushL(self); |
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38 self->ConstructL(); |
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39 CleanupStack::Pop(); // self |
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40 return self; |
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41 } |
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42 |
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43 // ----------------------------------------------------------------------------- |
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44 // ConstructL |
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45 // ----------------------------------------------------------------------------- |
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46 void CXMLWorkspace::ConstructL() |
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47 { |
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48 iBuffer = CBufFlat::NewL(32); |
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49 iTransactions = new (ELeave) RArray<TUint>(); |
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50 } |
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51 |
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52 // ----------------------------------------------------------------------------- |
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53 // ~CXMLWorkspace |
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54 // ----------------------------------------------------------------------------- |
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55 CXMLWorkspace::~CXMLWorkspace() |
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56 { |
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57 delete iBuffer; |
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58 if( iTransactions ) |
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59 { |
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60 iTransactions->Reset(); |
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61 } |
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62 delete iTransactions; |
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63 } |
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64 |
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65 // ----------------------------------------------------------------------------- |
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66 // BeginTransaction |
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67 // ----------------------------------------------------------------------------- |
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68 void CXMLWorkspace::BeginTransaction() |
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69 { |
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70 iTransactions->Append(Size()); |
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71 } |
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72 |
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73 // ----------------------------------------------------------------------------- |
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74 // Commit |
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75 // ----------------------------------------------------------------------------- |
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76 TInt CXMLWorkspace::Commit() |
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77 { |
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78 if( iTransactions->Count() == 0 ) |
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79 { |
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80 return KErrGeneral; |
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81 } |
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82 iTransactions->Remove(iTransactions->Count() - 1); |
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83 return KErrNone; |
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84 } |
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85 |
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86 // ----------------------------------------------------------------------------- |
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87 // CommitAll |
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88 // ----------------------------------------------------------------------------- |
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89 void CXMLWorkspace::CommitAll() |
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90 { |
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91 iTransactions->Reset(); |
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92 } |
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93 |
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94 // ----------------------------------------------------------------------------- |
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95 // Rollback |
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96 // ----------------------------------------------------------------------------- |
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97 TInt CXMLWorkspace::Rollback() |
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98 { |
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99 if( iTransactions->Count() == 0 ) |
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100 { |
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101 return KErrGeneral; |
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102 } |
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103 TUint begin = iTransactions->operator[](iTransactions->Count() - 1); |
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104 Delete(begin, Size() - begin); |
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105 iTransactions->Remove(iTransactions->Count() - 1); |
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106 return KErrNone; |
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107 } |
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108 |
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109 // ----------------------------------------------------------------------------- |
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110 // Reset |
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111 // ----------------------------------------------------------------------------- |
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112 void CXMLWorkspace::Reset() |
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113 { |
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114 iBuffer->Reset(); |
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115 } |
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116 |
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117 // ----------------------------------------------------------------------------- |
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118 // WriteL |
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119 // ----------------------------------------------------------------------------- |
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120 void CXMLWorkspace::WriteL( const TDesC8& aData ) |
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121 { |
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122 TRAPD(err, iBuffer->InsertL(iBuffer->Size(), aData)); |
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123 if( err != KErrNone ) |
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124 { |
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125 User::Leave(KErrTooBig); |
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126 } |
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127 } |
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128 |
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129 // ----------------------------------------------------------------------------- |
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130 // WriteL |
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131 // ----------------------------------------------------------------------------- |
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132 void CXMLWorkspace::WriteL( const TUint8 aData ) |
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133 { |
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134 WriteL(TPtrC8(&aData, 1)); |
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135 } |
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136 |
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137 // ----------------------------------------------------------------------------- |
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138 // Buffer |
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139 // ----------------------------------------------------------------------------- |
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140 TPtrC8 CXMLWorkspace::Buffer() |
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141 { |
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142 return iBuffer->Ptr(0); |
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143 } |
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144 |
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145 // ----------------------------------------------------------------------------- |
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146 // FreeSize |
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147 // ----------------------------------------------------------------------------- |
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148 TInt CXMLWorkspace::FreeSize() |
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149 { |
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150 return (KMaxTInt32 - Size()); |
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151 } |
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152 |
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153 // ----------------------------------------------------------------------------- |
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154 // MaxSize |
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155 // ----------------------------------------------------------------------------- |
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156 TInt CXMLWorkspace::MaxSize() |
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157 { |
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158 return KMaxTInt32; |
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159 } |
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160 |
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161 // ----------------------------------------------------------------------------- |
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162 // Size |
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163 // ----------------------------------------------------------------------------- |
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164 TInt CXMLWorkspace::Size() |
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165 { |
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166 return iBuffer->Size(); |
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167 } |
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168 |
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169 // ----------------------------------------------------------------------------- |
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170 // Delete |
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171 // ----------------------------------------------------------------------------- |
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172 void CXMLWorkspace::Delete( TInt aPos, TInt aLength ) |
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173 { |
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174 iBuffer->Delete(aPos, aLength); |
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175 } |