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1 /* |
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2 * Copyright (c) 2002-2009 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: Abstract SQL connection class* |
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15 */ |
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16 |
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17 // ----------------------------------- |
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18 // TColumn |
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19 // ----------------------------------- |
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20 |
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21 inline TColumn::TColumn( TColumnDataType aType ) : |
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22 iType( aType ) |
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23 { |
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24 iData.iInt32 = 0; |
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25 } |
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26 |
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27 inline TColumnDataType TColumn::Type() const |
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28 { |
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29 // the HBuf types are internal and hidden. |
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30 switch ( iType ) |
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31 { |
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32 case EColumnHBuf8: |
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33 return EColumnDes8; |
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34 case EColumnHBuf16: |
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35 return EColumnDes16; |
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36 case EColumnNullDes8: |
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37 return EColumnDes8; |
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38 case EColumnNullDes16: |
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39 return EColumnDes16; |
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40 default: |
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41 return iType; |
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42 } |
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43 } |
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44 |
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45 inline void TColumn::Free() |
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46 { |
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47 if ( iType == EColumnHBuf8 ) |
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48 { |
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49 delete (HBufC8*)iData.iText.iPtr; |
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50 iData.iText.iPtr = 0; |
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51 } |
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52 else if ( iType == EColumnHBuf16 ) |
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53 { |
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54 delete (HBufC16*)iData.iText.iPtr; |
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55 iData.iText.iPtr = 0; |
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56 } |
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57 } |
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58 |
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59 inline void TColumn::Set( TInt32 aVal ) |
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60 { |
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61 iType = EColumnInt32; |
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62 iData.iInt32 = aVal; |
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63 } |
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64 |
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65 inline void TColumn::Set( TUint32 aVal ) |
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66 { |
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67 iType = EColumnUint32; |
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68 iData.iUint32 = aVal; |
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69 } |
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70 |
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71 inline void TColumn::Set( TBool aVal ) |
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72 { |
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73 iType = EColumnBool; |
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74 iData.iInt32 = aVal; |
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75 } |
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76 |
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77 inline void TColumn::Set( TInt64 aVal ) |
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78 { |
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79 iType = EColumnInt64; |
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80 iData.iInt64 = aVal; |
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81 } |
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82 |
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83 inline void TColumn::Set( TReal32 aVal ) |
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84 { |
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85 iType = EColumnReal32; |
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86 iData.iReal32 = aVal; |
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87 } |
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88 |
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89 inline void TColumn::Set( TReal64 aVal ) |
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90 { |
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91 iType = EColumnReal64; |
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92 iData.iReal64 = aVal; |
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93 } |
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94 |
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95 inline void TColumn::Set( TTime aVal ) |
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96 { |
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97 iType = EColumnTime; |
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98 iData.iInt64 = aVal.Int64(); |
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99 } |
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100 |
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101 inline void TColumn::Set( const TDesC8& aVal ) |
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102 { |
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103 iType = EColumnDes8; |
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104 iData.iText.iPtr = (TAny*)aVal.Ptr(); |
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105 iData.iText.iLen = aVal.Length(); |
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106 } |
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107 |
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108 inline void TColumn::Set( const TDesC16& aVal ) |
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109 { |
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110 iType = EColumnDes16; |
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111 iData.iText.iPtr = (TAny*)aVal.Ptr(); |
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112 iData.iText.iLen = aVal.Length(); |
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113 } |
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114 |
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115 inline void TColumn::Set( const HBufC8* aVal ) |
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116 { |
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117 iType = ( aVal ? EColumnHBuf8 : EColumnNullDes8 ); |
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118 iData.iText.iPtr = (TAny*)aVal; |
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119 } |
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120 |
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121 inline void TColumn::Set( const HBufC16* aVal ) |
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122 { |
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123 iType = ( aVal ? EColumnHBuf16 : EColumnNullDes16 ); |
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124 iData.iText.iPtr = (TAny*)aVal; |
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125 } |
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126 |
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127 inline void TColumn::NotUsed() |
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128 { |
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129 iType = EColumnNotUsed; |
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130 iData.iText.iPtr = 0; |
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131 } |
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132 |
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133 |
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134 inline void TColumn::Get( TInt32& aValue ) const |
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135 { |
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136 if( EColumnNullDes16 == iType ) |
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137 { |
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138 aValue = 0; |
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139 return; |
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140 } |
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141 |
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142 __ASSERT_DEBUG( iType == EColumnInt32, MMdCCommon::Panic( EDatabaseFault ) ); |
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143 aValue = iData.iInt32; |
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144 } |
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145 |
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146 inline void TColumn::Get( TUint32& aValue ) const |
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147 { |
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148 if( EColumnNullDes16 == iType ) |
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149 { |
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150 aValue = 0; |
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151 return; |
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152 } |
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153 |
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154 __ASSERT_DEBUG( iType == EColumnUint32, MMdCCommon::Panic( EDatabaseFault ) ); |
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155 aValue = iData.iUint32; |
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156 } |
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157 |
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158 inline void TColumn::Get( TBool& aValue ) const |
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159 { |
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160 if( EColumnNullDes16 == iType ) |
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161 { |
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162 aValue = EFalse; |
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163 return; |
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164 } |
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165 |
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166 __ASSERT_DEBUG( iType == EColumnBool, MMdCCommon::Panic( EDatabaseFault ) ); |
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167 aValue = iData.iInt32; |
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168 } |
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169 |
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170 inline void TColumn::Get( TInt64& aValue ) const |
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171 { |
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172 if( EColumnNullDes16 == iType ) |
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173 { |
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174 aValue = 0; |
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175 return; |
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176 } |
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177 |
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178 __ASSERT_DEBUG( iType == EColumnInt64, MMdCCommon::Panic( EDatabaseFault ) ); |
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179 aValue = iData.iInt64; |
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180 } |
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181 |
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182 inline void TColumn::Get( TReal32& aValue ) const |
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183 { |
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184 if( EColumnNullDes16 == iType ) |
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185 { |
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186 aValue = 0.0f; |
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187 return; |
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188 } |
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189 |
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190 __ASSERT_DEBUG( iType == EColumnReal32, MMdCCommon::Panic( EDatabaseFault ) ); |
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191 aValue = iData.iReal32; |
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192 } |
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193 |
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194 inline void TColumn::Get( TReal64& aValue ) const |
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195 { |
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196 if( EColumnNullDes16 == iType ) |
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197 { |
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198 aValue = 0.0f; |
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199 return; |
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200 } |
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201 |
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202 __ASSERT_DEBUG( iType == EColumnReal64, MMdCCommon::Panic( EDatabaseFault ) ); |
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203 aValue = iData.iReal64; |
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204 } |
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205 |
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206 inline void TColumn::Get( TTime& aValue ) const |
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207 { |
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208 if( EColumnNullDes16 == iType ) |
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209 { |
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210 aValue = TTime( 0 ); |
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211 return; |
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212 } |
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213 |
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214 __ASSERT_DEBUG( iType == EColumnTime, MMdCCommon::Panic( EDatabaseFault ) ); |
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215 aValue = TTime(iData.iInt64); |
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216 } |
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217 |
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218 inline void TColumn::Get( TPtrC8& aValue ) const |
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219 { |
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220 if ( iType == EColumnDes8 ) |
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221 { |
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222 aValue.Set( |
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223 (TUint8*)iData.iText.iPtr, |
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224 iData.iText.iLen ); |
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225 } |
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226 else if ( iType == EColumnHBuf8 ) |
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227 { |
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228 aValue.Set( |
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229 ((HBufC8*)iData.iText.iPtr)->Des() ); |
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230 } |
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231 else if ( iType == EColumnNullDes8 || |
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232 iType == EColumnNullDes16 ) |
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233 { |
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234 aValue.Set( KNullDesC8().Ptr(), 0 ); |
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235 } |
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236 else MMdCCommon::Panic( EDatabaseFault ); |
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237 } |
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238 |
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239 inline void TColumn::Get( TPtrC16& aValue ) const |
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240 { |
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241 if ( iType == EColumnDes16 ) |
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242 { |
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243 aValue.Set( |
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244 (TUint16*)iData.iText.iPtr, |
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245 iData.iText.iLen ); |
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246 } |
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247 else if ( iType == EColumnHBuf16 ) |
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248 { |
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249 aValue.Set( |
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250 ((HBufC16*)iData.iText.iPtr)->Des() ); |
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251 } |
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252 else if ( iType == EColumnNullDes16 ) |
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253 { |
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254 aValue.Set( KNullDesC16().Ptr(), 0 ); |
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255 } |
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256 else MMdCCommon::Panic( EDatabaseFault ); |
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257 } |
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258 |
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259 inline TBool TColumn::IsNull() |
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260 { |
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261 return ( iType == EColumnNullDes8 || |
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262 iType == EColumnNullDes16 || |
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263 ( iData.iText.iPtr == NULL && |
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264 ( iType == EColumnDes8 || iType == EColumnDes16 || |
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265 iType == EColumnHBuf8 || iType == EColumnHBuf16 ) ) ); |
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266 } |
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267 |
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268 // ----------------------------------- |
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269 // RRowData |
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270 // ----------------------------------- |
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271 |
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272 |
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273 inline RRowData::RRowData() |
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274 : iColumns( 16 ) |
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275 { |
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276 } |
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277 |
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278 inline void RRowData::Close() |
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279 { |
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280 Free(); |
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281 iColumns.Close(); |
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282 } |
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283 |
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284 inline void RRowData::Free() |
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285 { |
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286 const TInt count( Size() ); |
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287 for ( TInt i=0; i<count; ++i ) |
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288 { |
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289 iColumns[i].Free(); |
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290 } |
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291 } |
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292 |
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293 inline TInt RRowData::Size() const |
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294 { |
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295 return iColumns.Count(); |
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296 } |
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297 |
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298 inline TColumn& RRowData::Column( TInt aIndex ) |
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299 { |
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300 return iColumns[aIndex]; |
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301 } |
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302 |
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303 inline const TColumn& RRowData::Column( TInt aIndex ) const |
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304 { |
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305 return iColumns[aIndex]; |
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306 } |
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307 |
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308 inline TColumn& RRowData::AppendL( const TColumn& aColumn ) |
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309 { |
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310 iColumns.AppendL( aColumn ); |
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311 return iColumns[ Size()-1 ]; |
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312 } |
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313 |
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314 inline void RRowData::Reset() |
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315 { |
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316 iColumns.Reset(); |
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317 } |
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318 |
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319 inline void RRowData::AppendColumnTypesL( RRowData& aColumnTypeRow ) |
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320 { |
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321 Free(); |
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322 Reset(); |
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323 |
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324 const TInt columnCount = aColumnTypeRow.Size(); |
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325 ReserveL( columnCount ); |
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326 |
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327 for( TInt i = 0; i < columnCount; i++ ) |
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328 { |
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329 iColumns.Append( aColumnTypeRow.Column( i ).Type() ); |
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330 } |
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331 } |
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332 |
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333 inline void RRowData::ReserveL( TInt aColumnCount ) |
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334 { |
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335 iColumns.ReserveL( aColumnCount ); |
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336 } |