1 /* |
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2 * Copyright (c) 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: CHtiCfg implementation |
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15 * |
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16 */ |
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17 |
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18 // INCLUDE FILES |
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19 #include "HtiCfg.h" |
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20 #include <badesca.h> |
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21 #include <f32file.h> |
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22 |
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23 // CONSTANTS |
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24 const static TInt KCfgArrayGranularity = 5; |
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25 |
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26 // MACROS |
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27 |
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28 // LOCAL CONSTANTS AND MACROS |
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29 |
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30 // MODULE DATA STRUCTURES |
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31 |
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32 // LOCAL FUNCTION PROTOTYPES |
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33 |
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34 // FORWARD DECLARATIONS |
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35 |
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36 // ============================ MEMBER FUNCTIONS =============================== |
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37 |
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38 // ----------------------------------------------------------------------------- |
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39 // CHtiCfg::NewL |
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40 // Two-phased constructor. |
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41 // ----------------------------------------------------------------------------- |
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42 EXPORT_C CHtiCfg* CHtiCfg::NewL() |
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43 { |
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44 CHtiCfg* self = NewLC(); |
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45 CleanupStack::Pop( self ); |
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46 return self; |
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47 } |
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48 |
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49 // ----------------------------------------------------------------------------- |
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50 // CHtiCfg::NewLC |
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51 // Two-phased constructor. |
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52 // ----------------------------------------------------------------------------- |
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53 EXPORT_C CHtiCfg* CHtiCfg::NewLC() |
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54 { |
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55 CHtiCfg* self = new ( ELeave ) CHtiCfg(); |
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56 CleanupStack::PushL( self ); |
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57 self->ConstructL(); |
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58 return self; |
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59 } |
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60 |
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61 // ----------------------------------------------------------------------------- |
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62 // CHtiCfg::CHtiCfg |
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63 // Constructor |
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64 // ----------------------------------------------------------------------------- |
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65 CHtiCfg::CHtiCfg():iCfgParameters( NULL ) |
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66 { |
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67 } |
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68 |
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69 // ----------------------------------------------------------------------------- |
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70 // CHtiCfg::CHtiCfg |
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71 // Destructor |
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72 // ----------------------------------------------------------------------------- |
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73 EXPORT_C CHtiCfg::~CHtiCfg() |
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74 { |
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75 if ( iCfgParameters ) |
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76 { |
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77 iCfgParameters->Reset(); |
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78 delete iCfgParameters; |
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79 iCfgParameters = NULL; |
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80 } |
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81 } |
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82 |
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83 // ----------------------------------------------------------------------------- |
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84 // CHtiCfg::ConstructL |
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85 // Second phase constructor. Private. |
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86 // ----------------------------------------------------------------------------- |
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87 void CHtiCfg::ConstructL() |
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88 { |
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89 iCfgParameters = new ( ELeave ) CDesC8ArrayFlat( KCfgArrayGranularity ); |
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90 } |
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91 |
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92 // ----------------------------------------------------------------------------- |
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93 // CHtiCfg::LoadCfgL |
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94 // Searches the file in all drives and if found reads all parameter lines to the |
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95 // iCfgParameters array. |
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96 // ----------------------------------------------------------------------------- |
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97 EXPORT_C void CHtiCfg::LoadCfgL( const TDesC& aCfgFilePath, |
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98 const TDesC& aCfgFileName ) |
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99 { |
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100 // Reset parameters |
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101 if ( iCfgParameters ) |
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102 { |
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103 iCfgParameters->Reset(); |
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104 delete iCfgParameters; |
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105 iCfgParameters = NULL; |
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106 } |
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107 iCfgParameters = new ( ELeave ) CDesC8ArrayFlat( KCfgArrayGranularity ); |
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108 |
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109 // Open & read file |
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110 RFs fsSession; |
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111 User::LeaveIfError( fsSession.Connect() ); |
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112 CleanupClosePushL( fsSession ); |
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113 |
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114 TFindFile finder( fsSession ); |
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115 TFileName path( aCfgFilePath ); |
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116 TInt err = finder.FindByPath( aCfgFileName, &path ); |
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117 if ( err != KErrNone ) |
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118 { |
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119 User::Leave( err ); |
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120 } |
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121 |
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122 TFileName cfgFile = finder.File(); |
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123 |
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124 RFile file; |
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125 User::LeaveIfError( file.Open( fsSession, cfgFile, EFileRead ) ); |
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126 CleanupClosePushL( file ); |
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127 |
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128 TInt fileLength; |
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129 User::LeaveIfError( file.Size( fileLength ) ); |
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130 |
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131 HBufC8* fileData = HBufC8::NewLC( fileLength ); |
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132 TPtr8 fileDes = fileData->Des(); |
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133 User::LeaveIfError( file.Read( fileDes ) ); |
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134 |
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135 // Get parameters |
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136 TBool eof = EFalse; |
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137 while ( !eof ) |
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138 { |
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139 TInt strEndIndex = fileDes.Locate( KCfgNewLine ); |
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140 if ( strEndIndex == KErrNotFound ) |
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141 { |
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142 strEndIndex = fileDes.Length(); |
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143 eof = ETrue; |
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144 } |
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145 |
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146 TPtrC8 line = fileDes.Left( strEndIndex ); |
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147 |
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148 if ( line.Locate( KCfgComment ) != 0 ) |
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149 { |
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150 if ( line.Locate( KCfgSeparator ) > 0 ) |
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151 { |
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152 TBuf8<KMaxParameterLength> parameter; |
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153 parameter.Copy( line ); |
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154 parameter.Trim(); |
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155 iCfgParameters->AppendL( parameter ); |
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156 } |
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157 } |
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158 |
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159 if ( !eof ) |
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160 fileDes = fileDes.Right( fileDes.Length() - ( strEndIndex + 1 ) ); |
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161 |
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162 } |
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163 |
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164 CleanupStack::PopAndDestroy( 3 ); // fsSession, fileData, file |
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165 } |
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166 |
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167 // ----------------------------------------------------------------------------- |
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168 // CHtiCfg::SaveCfgL |
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169 // Writes all parameter lines from iCfgParameters array to the file. |
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170 // Existing file is searched from all drives and if found file will be replaced. |
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171 // If existing file is not found file will be created to c-drive. |
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172 // ----------------------------------------------------------------------------- |
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173 EXPORT_C void CHtiCfg::SaveCfgL( const TDesC& aCfgFilePath, |
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174 const TDesC& aCfgFileName ) |
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175 { |
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176 RFs fs; |
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177 User::LeaveIfError( fs.Connect() ); |
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178 CleanupClosePushL( fs ); |
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179 |
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180 RFile file; |
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181 CleanupClosePushL( file ); |
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182 |
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183 // Find the file |
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184 TFindFile finder( fs ); |
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185 TFileName path( aCfgFilePath ); |
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186 TFileName cfgFile; |
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187 TInt err = finder.FindByPath( aCfgFileName, &path ); |
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188 if ( err != KErrNone ) |
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189 { |
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190 cfgFile.Append( _L ( "c:" ) ); |
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191 cfgFile.Append( path ); |
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192 cfgFile.Append( aCfgFileName ); |
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193 } |
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194 else |
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195 { |
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196 cfgFile = finder.File(); |
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197 // If the file was found from ROM, we must save to C-drive. |
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198 if ( cfgFile[0] == 'z' || cfgFile[0] == 'Z' ) |
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199 { |
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200 cfgFile[0] = 'c'; |
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201 } |
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202 } |
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203 |
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204 // Replace or create the file |
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205 User::LeaveIfError( file.Replace( fs, cfgFile, EFileWrite | EFileShareAny ) ); |
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206 |
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207 // Write the file |
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208 for ( TInt i = 0; i < iCfgParameters->Count(); i++ ) |
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209 { |
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210 file.Write( iCfgParameters->MdcaPoint( i ) ); |
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211 file.Write( _L8( "\n" ) ); |
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212 } |
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213 |
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214 // Close |
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215 CleanupStack::PopAndDestroy( 2 ); // fs, file |
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216 } |
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217 |
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218 // ----------------------------------------------------------------------------- |
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219 // CHtiCfg::SetParameterL |
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220 // ----------------------------------------------------------------------------- |
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221 EXPORT_C TInt CHtiCfg::SetParameterL( const TDesC8& aName, |
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222 const TDesC8& aValue ) |
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223 { |
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224 // Does the parameter exist? |
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225 for ( TInt i = 0; i < iCfgParameters->Count(); i++ ) |
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226 { |
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227 TInt sepIndex = |
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228 ( iCfgParameters->MdcaPoint( i ) ).Locate( KCfgSeparator ); |
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229 if ( sepIndex <= 0 ) |
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230 User::Leave( KErrGeneral ); // should not happen |
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231 |
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232 TPtrC8 name = ( iCfgParameters->MdcaPoint( i ) ).Left( sepIndex ); |
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233 if ( name.Compare( aName ) == 0 ) |
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234 { |
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235 iCfgParameters->Delete( i ); |
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236 TBuf8<KMaxParameterLength> parameter; |
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237 parameter.Append( aName ); |
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238 parameter.Append( KCfgSeparator ); |
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239 parameter.Append( aValue ); |
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240 iCfgParameters->AppendL( parameter ); |
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241 return KErrNone; |
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242 } |
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243 } |
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244 |
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245 // Apparently not.. add it |
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246 TBuf8<KMaxParameterLength> parameter; |
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247 parameter.Append( aName ); |
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248 parameter.Append( KCfgSeparator ); |
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249 parameter.Append( aValue ); |
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250 iCfgParameters->AppendL( parameter ); |
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251 |
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252 return KErrNone; |
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253 } |
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254 |
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255 // ----------------------------------------------------------------------------- |
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256 // CHtiCfg::RemoveParameterL |
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257 // ----------------------------------------------------------------------------- |
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258 EXPORT_C TInt CHtiCfg::RemoveParameterL( const TDesC8& aName ) |
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259 { |
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260 for ( TInt i = 0; i < iCfgParameters->Count(); i++ ) |
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261 { |
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262 TInt sepIndex = |
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263 ( iCfgParameters->MdcaPoint( i ) ).Locate( KCfgSeparator ); |
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264 if ( sepIndex <= 0 ) |
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265 User::Leave( KErrGeneral ); // should not happen |
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266 |
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267 TPtrC8 name = ( iCfgParameters->MdcaPoint( i ) ).Left( sepIndex ); |
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268 if ( name.Compare( aName ) == 0 ) |
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269 { |
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270 iCfgParameters->Delete( i ); |
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271 return KErrNone; |
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272 } |
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273 } |
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274 |
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275 return KErrNotFound; |
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276 } |
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277 |
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278 // ----------------------------------------------------------------------------- |
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279 // CHtiCfg::GetParameterL |
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280 // ----------------------------------------------------------------------------- |
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281 EXPORT_C TPtrC8 CHtiCfg::GetParameterL( const TDesC8& aName ) |
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282 { |
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283 for ( TInt i = 0; i < iCfgParameters->Count(); i++ ) |
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284 { |
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285 TInt sepIndex = |
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286 ( iCfgParameters->MdcaPoint( i ) ).Locate( KCfgSeparator ); |
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287 if ( sepIndex <= 0 ) |
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288 User::Leave( KErrGeneral ); // should not happen |
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289 |
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290 TPtrC8 name = ( iCfgParameters->MdcaPoint( i ) ).Left( sepIndex ); |
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291 if ( name.Compare( aName ) == 0 ) |
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292 { |
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293 TPtrC8 value = ( iCfgParameters->MdcaPoint( i ) ).Right( |
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294 ( iCfgParameters->MdcaPoint( i ) ).Length() - ( sepIndex + 1 ) ); |
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295 return value; |
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296 } |
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297 } |
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298 User::Leave( KErrNotFound ); |
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299 return 0; |
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300 } |
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301 |
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302 // ----------------------------------------------------------------------------- |
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303 // CHtiCfg::GetParameterIntL |
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304 // ----------------------------------------------------------------------------- |
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305 EXPORT_C TInt CHtiCfg::GetParameterIntL( const TDesC8& aName ) |
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306 { |
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307 for ( TInt i = 0; i < iCfgParameters->Count(); i++ ) |
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308 { |
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309 TInt sepIndex = |
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310 ( iCfgParameters->MdcaPoint( i ) ).Locate( KCfgSeparator ); |
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311 if ( sepIndex <= 0 ) |
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312 User::Leave( KErrGeneral ); // should not happen |
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313 |
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314 TPtrC8 name = ( iCfgParameters->MdcaPoint( i ) ).Left( sepIndex ); |
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315 if ( name.Compare( aName ) == 0 ) |
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316 { |
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317 TPtrC8 value = ( iCfgParameters->MdcaPoint( i ) ).Right( |
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318 ( iCfgParameters->MdcaPoint( i ) ).Length() - ( sepIndex + 1 ) ); |
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319 |
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320 TLex8 lex( value ); |
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321 TInt result; |
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322 User::LeaveIfError( lex.Val( result ) ); |
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323 return result; |
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324 } |
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325 } |
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326 User::Leave( KErrNotFound ); |
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327 return 0; |
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328 } |
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329 |
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330 |
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331 // End of file |
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