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1 /* |
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2 * Copyright (c) 2002 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: One parameter |
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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 // INCLUDE FILES |
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20 #include <s32file.h> |
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21 #include "CWPParameter.h" |
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22 #include "MWPVisitor.h" |
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23 #include "WPElementFactory.h" |
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24 |
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25 // CONSTANTS |
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26 /// Number of bits in half-word |
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27 const TInt KBitsPerWord = 16; |
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28 /// Mask to extract a half-word |
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29 const TInt KWordMask = 0xffff; |
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30 |
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31 // ============================ MEMBER FUNCTIONS =============================== |
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32 |
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33 // ----------------------------------------------------------------------------- |
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34 // CWPParameter::CWPParameter |
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35 // C++ default constructor can NOT contain any code, that |
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36 // might leave. |
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37 // ----------------------------------------------------------------------------- |
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38 // |
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39 CWPParameter::CWPParameter() |
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40 { |
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41 } |
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42 |
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43 // ----------------------------------------------------------------------------- |
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44 // CWPParameter::ConstructL |
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45 // Symbian 2nd phase constructor can leave. |
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46 // ----------------------------------------------------------------------------- |
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47 // |
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48 void CWPParameter::ConstructL() |
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49 { |
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50 iValue = KNullDesC().AllocL(); |
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51 } |
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52 |
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53 // ----------------------------------------------------------------------------- |
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54 // CWPRoot::NewL |
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55 // Two-phased constructor. |
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56 // ----------------------------------------------------------------------------- |
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57 // |
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58 EXPORT_C CWPParameter* CWPParameter::NewL() |
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59 { |
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60 CWPParameter* self = NewLC(); |
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61 CleanupStack::Pop(); |
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62 |
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63 return self; |
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64 } |
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65 |
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66 // ----------------------------------------------------------------------------- |
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67 // CWPRoot::NewLC |
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68 // Two-phased constructor. |
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69 // ----------------------------------------------------------------------------- |
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70 // |
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71 EXPORT_C CWPParameter* CWPParameter::NewLC() |
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72 { |
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73 CWPParameter* self = new( ELeave ) CWPParameter; |
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74 |
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75 CleanupStack::PushL( self ); |
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76 self->ConstructL(); |
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77 |
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78 return self; |
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79 } |
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80 |
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81 // Destructor |
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82 CWPParameter::~CWPParameter() |
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83 { |
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84 delete iName; |
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85 delete iValue; |
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86 } |
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87 |
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88 // ----------------------------------------------------------------------------- |
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89 // CWPParameter::CallVisitorL |
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90 // ----------------------------------------------------------------------------- |
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91 // |
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92 void CWPParameter::CallVisitorL( MWPVisitor& aVisitor ) |
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93 { |
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94 aVisitor.VisitL( *this ); |
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95 } |
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96 |
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97 // ----------------------------------------------------------------------------- |
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98 // CWPParameter::InternalizeL |
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99 // ----------------------------------------------------------------------------- |
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100 // |
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101 EXPORT_C void CWPParameter::InternalizeL(RReadStream& aStream) |
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102 { |
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103 TInt parameterID( aStream.ReadInt32L() ); |
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104 TUint length( aStream.ReadInt32L() ); |
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105 // Lengths packed into one 32-bit word for compatibility |
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106 TInt valueLength( length & KWordMask ); |
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107 TInt nameLength( (length >> KBitsPerWord) & KWordMask ); |
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108 |
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109 HBufC* value = HBufC::NewL( aStream, valueLength ); |
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110 delete iValue; |
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111 iValue = value; |
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112 |
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113 if( nameLength > 0 ) |
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114 { |
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115 HBufC* name = HBufC::NewL( aStream, nameLength ); |
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116 delete iName; |
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117 iName = name; |
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118 } |
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119 |
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120 iParameterID = parameterID; |
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121 } |
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122 |
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123 // ----------------------------------------------------------------------------- |
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124 // CWPParameter::ExternalizeL |
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125 // ----------------------------------------------------------------------------- |
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126 // |
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127 EXPORT_C void CWPParameter::ExternalizeL(RWriteStream& aStream) const |
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128 { |
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129 aStream.WriteInt32L( iParameterID ); |
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130 |
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131 // Lengths packed into one 32-bit word for compatibility |
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132 TUint length( 0 ); |
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133 if( iValue ) |
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134 { |
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135 length += iValue->Length(); |
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136 } |
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137 if( iName ) |
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138 { |
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139 length += iName->Length() << KBitsPerWord; |
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140 } |
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141 |
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142 aStream.WriteUint32L( length ); |
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143 |
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144 aStream << *iValue; |
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145 |
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146 if( iName ) |
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147 { |
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148 aStream << *iName; |
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149 } |
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150 } |
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151 |
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152 // ----------------------------------------------------------------------------- |
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153 // CWPParameter::Type |
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154 // ----------------------------------------------------------------------------- |
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155 // |
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156 EXPORT_C TInt CWPParameter::Type() const |
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157 { |
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158 return KWPParameter; |
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159 } |
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160 |
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161 // ----------------------------------------------------------------------------- |
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162 // CWPParameter::SetID |
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163 // ----------------------------------------------------------------------------- |
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164 // |
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165 EXPORT_C void CWPParameter::SetID( TInt aID ) |
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166 { |
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167 iParameterID = aID; |
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168 } |
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169 |
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170 |
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171 // ----------------------------------------------------------------------------- |
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172 // CWPParameter::ID |
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173 // ----------------------------------------------------------------------------- |
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174 // |
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175 EXPORT_C TInt CWPParameter::ID() const |
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176 { |
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177 return iParameterID; |
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178 } |
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179 |
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180 // ----------------------------------------------------------------------------- |
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181 // CWPParameter::SetNameL |
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182 // ----------------------------------------------------------------------------- |
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183 // |
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184 EXPORT_C void CWPParameter::SetNameL( const TDesC& aName ) |
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185 { |
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186 HBufC* name = aName.AllocL(); |
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187 delete iName; |
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188 iName = name; |
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189 } |
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190 |
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191 // ----------------------------------------------------------------------------- |
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192 // CWPParameter::Name |
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193 // ----------------------------------------------------------------------------- |
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194 // |
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195 EXPORT_C const TDesC& CWPParameter::Name() const |
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196 { |
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197 if( iName ) |
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198 { |
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199 return *iName; |
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200 } |
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201 else |
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202 { |
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203 return KNullDesC; |
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204 } |
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205 } |
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206 |
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207 // ----------------------------------------------------------------------------- |
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208 // CWPParameter::SetValueL |
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209 // ----------------------------------------------------------------------------- |
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210 // |
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211 EXPORT_C void CWPParameter::SetValueL( const TDesC& aValue ) |
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212 { |
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213 HBufC* value = aValue.AllocL(); |
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214 delete iValue; |
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215 iValue = value; |
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216 } |
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217 |
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218 // ----------------------------------------------------------------------------- |
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219 // CWPParameter::Value |
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220 // ----------------------------------------------------------------------------- |
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221 // |
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222 EXPORT_C const TDesC& CWPParameter::Value() const |
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223 { |
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224 if( iValue ) |
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225 { |
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226 return *iValue; |
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227 } |
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228 else |
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229 { |
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230 return KNullDesC; |
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231 } |
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232 } |
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233 |
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234 |
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235 // End of File |