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1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include <es_ini.h> |
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17 #include <f32file.h> |
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18 #include <cfextras.h> |
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19 |
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20 |
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21 /** |
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22 @internalComponent |
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23 */ |
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24 class TFileListIter |
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25 { |
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26 public: |
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27 TFileListIter() |
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28 { |
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29 iList = 0; |
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30 iIsCDir = EFalse; |
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31 iIdx = 0; |
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32 } |
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33 void Set(const CDir* aList) |
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34 { |
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35 iList = static_cast<const void*>(aList); |
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36 iIdx = 0; |
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37 iIsCDir = ETrue; |
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38 } |
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39 void Set(const CommsFW::COwnEntryList* aList) |
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40 { |
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41 iList = static_cast<const void*>(aList); |
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42 iIdx = 0; |
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43 iIsCDir = EFalse; |
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44 } |
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45 const TEntry* operator++(TInt) |
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46 { |
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47 const TEntry* entry = NULL; |
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48 if(iIsCDir) |
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49 { |
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50 const CDir* list = reinterpret_cast<const CDir*>(iList); |
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51 if(list != NULL && iIdx < list->Count()) |
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52 { |
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53 entry = &(*list)[iIdx++]; |
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54 } |
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55 } |
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56 else |
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57 { |
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58 const CommsFW::COwnEntryList* list = reinterpret_cast<const CommsFW::COwnEntryList*>(iList); |
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59 if(list != NULL && iIdx < list->Count()) |
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60 { |
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61 entry = &(*list)[iIdx++]; |
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62 } |
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63 } |
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64 return entry; |
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65 } |
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66 private: |
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67 const void* iList; |
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68 TBool iIsCDir; |
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69 TInt iIdx; |
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70 }; |
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71 |
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72 const TInt KTokenSize=32; |
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73 |
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74 // Warning !! redifinition required |
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75 const TInt32 KUidCommsProcess = 0x101F7989; |
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76 |
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77 /* |
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78 @internalComponent |
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79 */ |
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80 enum TIniPanic |
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81 { |
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82 ESectionNameTooBig, |
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83 EVarNameTooBig, |
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84 }; |
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85 |
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86 /** |
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87 @internalComponent |
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88 */ |
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89 void Panic(TIniPanic aPanic) |
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90 { |
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91 _LIT(cESockIniData,"CESockIniData"); |
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92 User::Panic(cESockIniData,aPanic); |
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93 } |
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94 |
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95 |
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96 EXPORT_C CESockIniData::CESockIniData() |
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97 : iPtr(NULL,0) |
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98 { |
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99 } |
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100 |
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101 EXPORT_C CESockIniData::CESockIniData(const CommsFW::COwnEntryList* aFileList) |
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102 : iPtr(NULL,0), |
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103 iFileList(aFileList) |
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104 { |
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105 } |
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106 |
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107 EXPORT_C CESockIniData::~CESockIniData() |
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108 { |
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109 delete (TText*)iPtr.Ptr(); |
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110 delete iToken; |
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111 delete iName; |
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112 } |
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113 |
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114 EXPORT_C CESockIniData* CESockIniData::NewL(const TDesC& aName) |
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115 { |
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116 CESockIniData* p=new(ELeave) CESockIniData; |
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117 CleanupStack::PushL(p); |
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118 p->ConstructL(aName); |
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119 CleanupStack::Pop(); |
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120 return p; |
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121 } |
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122 |
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123 EXPORT_C CESockIniData* CESockIniData::NewL(const CommsFW::COwnEntryList* aFileList) |
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124 { |
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125 CESockIniData* p=new(ELeave) CESockIniData(aFileList); |
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126 CleanupStack::PushL(p); |
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127 p->ConstructL(KNullDesC); |
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128 CleanupStack::Pop(); |
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129 return p; |
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130 } |
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131 |
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132 EXPORT_C void CESockIniData::ConstructL(const TDesC& aName) |
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133 /** |
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134 Allocate a buffer and Read file's contents into iPtr |
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135 */ |
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136 { |
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137 |
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138 iToken=HBufC::NewL(KTokenSize+2); // 2 extra chars for [tokenName] |
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139 |
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140 // protocol_buf is used to holf the protocol list |
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141 // and then the whole collated .ini file |
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142 CBufFlat* protocol_buf=CBufFlat::NewL(4); |
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143 CleanupStack::PushL(protocol_buf); |
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144 TInt protocol_pos = 0; |
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145 |
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146 //data_buf is used to temporarily hold the .esk files'bodies |
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147 CBufFlat* data_buf=CBufFlat::NewL(4); |
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148 CleanupStack::PushL(data_buf); |
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149 TInt data_pos = 0; |
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150 |
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151 TInt data_size =0; |
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152 |
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153 TAutoClose<RFs> fs; |
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154 User::LeaveIfError(fs.iObj.Connect()); |
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155 fs.PushL(); |
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156 |
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157 TBuf<100> privatePath; |
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158 TBool isC32Exe = (RThread().SecureId() == KUidCommsProcess); |
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159 if(isC32Exe) // If it is C32Exe, uppend private path with ESock |
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160 { |
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161 privatePath = KEsockIniFileDir; |
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162 } |
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163 else |
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164 { |
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165 fs.iObj.PrivatePath(privatePath); |
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166 } |
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167 |
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168 TFindFile ff(fs.iObj); |
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169 TFileListIter iter; |
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170 |
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171 if(aName == ESOCK_INI_DATA || aName.Length() == 0) |
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172 { |
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173 CDir* ownedFileList = NULL; |
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174 if(iFileList) |
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175 { |
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176 iter.Set(iFileList); |
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177 } |
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178 else |
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179 { |
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180 // Have to build own file list |
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181 if(ff.FindWildByDir(KEsockWildCard, privatePath, ownedFileList) == KErrNone) |
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182 { |
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183 CleanupStack::PushL(ownedFileList); |
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184 iter.Set(ownedFileList); |
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185 } |
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186 } |
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187 _LIT(KSockManMainSectionName,"sockman"); |
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188 _LIT(KProtocolListItemName,"protocols"); |
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189 TPtrC protocols; |
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190 TInt err = KErrNone; |
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191 |
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192 _LIT(KTxtComma,","); |
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193 _LIT(KNewLine,"\r\n"); |
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194 _LIT(KTxtIniFileStart,"[sockman] protocols= "); |
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195 |
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196 protocol_buf->InsertL(protocol_pos, (TAny*)(&KTxtIniFileStart)->Ptr(), (&KTxtIniFileStart)->Size()); |
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197 protocol_pos+= (&KTxtIniFileStart)->Size(); |
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198 |
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199 TBool noBackupDirSearched(EFalse); |
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200 while (err==KErrNone) |
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201 { |
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202 TBool firstEntry = ETrue; |
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203 while(const TEntry* entry = iter++) //for (TInt i=0; i < iFileList->Count(); i++) |
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204 { |
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205 TParse fullentry; |
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206 fullentry.Set(entry->iName,& ff.File(),NULL); |
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207 TAutoClose<RFile> file; |
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208 User::LeaveIfError(file.iObj.Open(fs.iObj,fullentry.FullName(),EFileStreamText|EFileRead)); |
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209 file.PushL(); |
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210 User::LeaveIfError(file.iObj.Size(data_size)); |
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211 |
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212 // Following BR1123 we presume that all files are narrow-char only and widen them here |
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213 __ASSERT_COMPILE(sizeof(TText) == 2); |
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214 TUint8* rawBuff = (TUint8*) User::AllocLC(data_size * sizeof(TText)); |
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215 TPtr8 rawTPtr(rawBuff, data_size * sizeof(TText)); |
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216 User::LeaveIfError(file.iObj.Read(rawTPtr)); |
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217 |
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218 TText* dstPtr = (TText*) rawBuff; |
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219 for(TInt i = data_size - 1; i >= 0; --i) |
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220 { |
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221 dstPtr[i] = rawBuff[i]; |
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222 } |
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223 iPtr.Set((TText*) rawBuff, data_size, data_size); |
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224 CleanupStack::Pop(); // Get data off; destructor takes care of freeing iPtr |
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225 |
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226 if(FindVar(KSockManMainSectionName,KProtocolListItemName,protocols)) |
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227 { |
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228 //Store the protocol in the protocol dynamic buffer |
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229 if(firstEntry) |
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230 { |
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231 firstEntry = EFalse; |
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232 } |
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233 else |
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234 { |
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235 protocol_buf->ExpandL(protocol_pos, (&KTxtComma)->Size()); |
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236 protocol_buf->Write(protocol_pos,(TAny*)(&KTxtComma)->Ptr(), (&KTxtComma)->Size()); |
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237 protocol_pos+=(&KTxtComma)->Size(); |
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238 } |
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239 protocol_buf->ExpandL(protocol_pos, protocols.Size()); |
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240 protocol_buf->Write(protocol_pos, protocols.Ptr(), protocols.Size()); |
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241 protocol_pos+=protocols.Size(); |
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242 } |
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243 else |
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244 { |
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245 // Protocols line absent; whole of text is "trailer" |
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246 protocols.Set(iPtr.Ptr(), 0); |
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247 data_buf->ExpandL(data_pos, (&KNewLine)->Size()); |
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248 data_buf->Write(data_pos, (TAny*)(&KNewLine)->Ptr(), (&KNewLine)->Size()); |
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249 data_pos+=(&KNewLine)->Size(); |
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250 } |
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251 |
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252 TInt dif = (protocols.Ptr()+protocols.Length()) - iPtr.Ptr(); |
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253 |
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254 //Store the rest of the file in the data dynamic buffer |
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255 data_buf->ExpandL(data_pos, (data_size-dif)*sizeof(TText)); |
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256 data_buf->Write(data_pos, (protocols.Ptr()+protocols.Length()), (data_size-dif)*sizeof(TText)); |
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257 data_pos+= (data_size - dif)*sizeof(TText); |
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258 |
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259 //Delete temporary buffer |
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260 delete (TText*)iPtr.Ptr(); |
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261 iPtr.Set(NULL,0,0); |
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262 file.Pop(); |
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263 } |
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264 |
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265 if(ownedFileList) |
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266 { |
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267 CleanupStack::PopAndDestroy(ownedFileList); |
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268 |
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269 //Continue the search in the next drive in the search sequence |
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270 err=ff.FindWild(ownedFileList); |
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271 |
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272 if (err==KErrNone) |
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273 { |
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274 CleanupStack::PushL(ownedFileList); |
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275 iter.Set(ownedFileList); |
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276 protocol_buf->ExpandL(protocol_pos, (&KTxtComma)->Size()); |
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277 protocol_buf->Write(protocol_pos,(TAny*)(&KTxtComma)->Ptr(), (&KTxtComma)->Size()); |
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278 protocol_pos+=(&KTxtComma)->Size(); |
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279 } |
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280 else if (err==KErrNoMemory) |
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281 { |
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282 User::Leave(err); |
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283 } |
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284 else if(err==KErrNotFound && !noBackupDirSearched) |
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285 { |
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286 //It's time to look into nobackup directory |
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287 noBackupDirSearched = ETrue; |
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288 if(isC32Exe) // If it is C32Exe, uppend private path with ESock |
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289 { |
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290 privatePath = KEsockNoBackupDir; |
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291 err = ff.FindWildByDir(KEsockWildCard, privatePath, ownedFileList); |
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292 if(err == KErrNone) |
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293 { |
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294 CleanupStack::PushL(ownedFileList); |
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295 iter.Set(ownedFileList); |
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296 } |
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297 } |
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298 } |
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299 } |
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300 else |
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301 { |
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302 err=KErrNotFound; // Break out of while loop |
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303 } |
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304 } |
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305 |
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306 //Copy all the collated esk bodies into the protocol_buf after the protocol list |
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307 protocol_buf->ExpandL(protocol_pos, data_buf->Size()); |
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308 protocol_buf->Write(protocol_pos, data_buf->Ptr(0), data_buf->Size()); |
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309 |
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310 //Copy the all collated initialisation information into its final destination |
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311 TText* newinifile = (TText*)User::AllocL(protocol_buf->Size()); |
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312 protocol_buf->Read(0, newinifile, protocol_buf->Size()); |
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313 |
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314 data_size = protocol_buf->Size() / (TInt) sizeof(TText); |
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315 iPtr.Set(newinifile, data_size, data_size); |
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316 |
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317 fs.Pop(); |
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318 } |
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319 else |
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320 // Deals with standard .ini file |
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321 { |
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322 |
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323 TInt err = KErrNone; |
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324 err = ff.FindByDir(aName, privatePath); |
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325 if(err!=KErrNone && isC32Exe) |
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326 { |
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327 privatePath = KEsockNoBackupDir; |
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328 User::LeaveIfError(ff.FindByDir(aName, privatePath)); |
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329 } |
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330 |
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331 iName=ff.File().AllocL(); |
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332 |
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333 TAutoClose<RFile> file; |
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334 TInt size; |
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335 User::LeaveIfError(file.iObj.Open(fs.iObj,*iName,EFileStreamText|EFileRead)); |
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336 file.PushL(); |
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337 |
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338 User::LeaveIfError(file.iObj.Size(size)); |
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339 TText* data=(TText*)User::AllocL(size); |
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340 iPtr.Set(data, size/(TInt)sizeof(TText), size/(TInt)sizeof(TText)); |
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341 TPtr8 dest((TUint8*)data, 0, size); |
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342 User::LeaveIfError(file.iObj.Read(dest)); |
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343 |
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344 TUint8* ptr = (TUint8*)data; |
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345 // |
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346 // This is orderred as FEFF assuming the processor is Little Endian |
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347 // The data in the file is FFFE. PRR 28/9/98 |
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348 // |
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349 if(size>=(TInt)sizeof(TText) && iPtr[0]==0xFEFF) |
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350 { |
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351 // UNICODE Text file so lose the FFFE |
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352 Mem::Copy(ptr, ptr+sizeof(TText), size-sizeof(TText)); |
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353 iPtr.Set(data, size/(TInt)sizeof(TText)-1, size/(TInt)sizeof(TText)-1); |
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354 } |
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355 else if(size) |
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356 { |
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357 // NON-UNICODE so convert to UNICODE |
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358 TText* newdata = (TText*)User::AllocL(size*sizeof(TText)); |
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359 iPtr.Set(newdata, size, size); |
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360 TInt i; |
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361 for(i=0 ; i<size ; ++i) |
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362 iPtr[i]=ptr[i]; |
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363 delete data; |
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364 } |
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365 |
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366 file.Pop(); |
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367 fs.Pop(); |
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368 |
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369 } |
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370 CleanupStack::PopAndDestroy(2); // remove protocol_buf - data_buf |
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371 } |
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372 |
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373 EXPORT_C TBool CESockIniData::FindVar(const TDesC &aVarName, TPtrC &aResult) const |
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374 { |
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375 TInt pos=iPtr.Find(aVarName); |
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376 if (pos==KErrNotFound) |
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377 return(EFalse); |
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378 TLex lex(iPtr.Mid(pos)); |
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379 lex.SkipCharacters(); |
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380 lex.SkipSpaceAndMark(); // Should be at the start of the data |
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381 lex.SkipCharacters(); |
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382 aResult.Set(lex.MarkedToken().Ptr(),lex.MarkedToken().Length()); |
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383 return(ETrue); |
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384 } |
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385 |
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386 EXPORT_C TBool CESockIniData::FindVar(const TDesC &aVarName, TInt &aResult) const |
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387 { |
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388 TPtrC ptr(NULL,0); |
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389 if (FindVar(aVarName,ptr)) |
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390 { |
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391 TLex lex(ptr); |
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392 if (lex.Val(aResult)==KErrNone) |
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393 return(ETrue); |
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394 } |
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395 return(EFalse); |
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396 } |
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397 |
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398 EXPORT_C TBool CESockIniData::FindVar(const TDesC &aSection,const TDesC &aVarName,TPtrC &aResult) const |
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399 /** |
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400 Find a variable's value given a section name and a var name |
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401 */ |
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402 { |
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403 __ASSERT_DEBUG(aSection.Length()<=KTokenSize,Panic(ESectionNameTooBig)); |
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404 __ASSERT_DEBUG(aVarName.Length()<=KTokenSize,Panic(EVarNameTooBig)); |
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405 |
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406 TPtr sectionToken=iToken->Des(); |
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407 _LIT(sectionTokenString,"[%S]"); |
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408 sectionToken.Format(sectionTokenString,&aSection); |
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409 TInt sectionStart=iPtr.Find(sectionToken); |
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410 if (sectionStart==KErrNotFound) |
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411 return EFalse; |
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412 TPtrC section=iPtr.Mid(sectionStart); |
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413 sectionStart+=section.Find(TPtrC(_S("]"))); |
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414 if (sectionStart==KErrNotFound) |
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415 return EFalse; |
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416 sectionStart++; |
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417 section.Set(iPtr.Mid(sectionStart)); |
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418 |
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419 TInt sectionEnd=section.Find(TPtrC(_S("["))); |
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420 if (sectionEnd==KErrNotFound) |
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421 sectionEnd=iPtr.Length()-sectionStart; |
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422 |
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423 section.Set(iPtr.Mid(sectionStart,sectionEnd)); |
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424 TPtr varToken=iToken->Des(); |
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425 _LIT(varTokenString,"%S="); |
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426 varToken.Format(varTokenString,&aVarName); |
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427 TInt pos=section.Find(varToken); |
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428 if (pos==KErrNotFound) |
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429 return EFalse; |
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430 TLex lex(section.Mid(pos)); |
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431 lex.SkipCharacters(); |
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432 lex.SkipSpaceAndMark(); // Should be at the start of the data |
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433 lex.SkipCharacters(); |
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434 aResult.Set(lex.MarkedToken().Ptr(),lex.MarkedToken().Length()); |
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435 return(ETrue); |
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436 |
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437 } |
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438 |
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439 EXPORT_C TBool CESockIniData::FindVar(const TDesC &aSection,const TDesC &aVarName,TInt &aResult) const |
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440 { |
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441 TPtrC ptr(NULL,0); |
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442 if (FindVar(aSection,aVarName,ptr)) |
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443 { |
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444 TLex lex(ptr); |
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445 if (lex.Val(aResult)==KErrNone) |
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446 return(ETrue); |
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447 } |
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448 return(EFalse); |
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449 } |
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450 |
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451 EXPORT_C TInt CESockIniData::WriteVar(const TDesC& aSection,const TDesC& aVarName,TInt aValue) |
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452 /** |
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453 Changes the string associated with a token |
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454 */ |
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455 { |
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456 TBuf<32> buf; |
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457 buf.Num(aValue); |
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458 return WriteVar(aSection, aVarName, buf); |
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459 } |
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460 |
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461 EXPORT_C TInt CESockIniData::WriteVar(const TDesC& aSection,const TDesC& aVarName,const TDesC& aValue) |
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462 /** |
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463 Changes the string associated with a token |
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464 */ |
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465 { |
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466 // First find the variable - this gives us a descriptor into the |
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467 // ini data giving the bound of the item that has gto be replaced. |
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468 TPtrC ptr; |
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469 |
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470 if (!FindVar(aSection, aVarName, ptr)) |
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471 return KErrNotFound; |
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472 |
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473 TInt pos = ptr.Ptr()-iPtr.Ptr(); |
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474 TInt size = (iPtr.Length()+aValue.Length()-ptr.Length())*sizeof(TText); |
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475 |
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476 if (size>iPtr.MaxLength()) |
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477 { |
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478 TText* newdata = (TText*)User::ReAlloc((TUint8*)iPtr.Ptr(), size); |
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479 if (newdata == 0) |
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480 return KErrNoMemory; |
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481 |
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482 iPtr.Set(newdata, iPtr.Length(), size/(TInt)sizeof(TText)); |
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483 } |
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484 |
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485 iPtr.Replace(pos, ptr.Length(), aValue); |
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486 return KErrNone; |
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487 } |
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488 |
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489 EXPORT_C void CESockIniData::CommitL() |
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490 { |
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491 TAutoClose<RFs> fs; |
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492 User::LeaveIfError(fs.iObj.Connect()); |
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493 fs.PushL(); |
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494 |
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495 TAutoClose<RFile> file; |
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496 User::LeaveIfError(file.iObj.Replace(fs.iObj,*iName,EFileStreamText|EFileWrite)); |
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497 file.PushL(); |
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498 |
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499 TPtrC8 ptrc8((TUint8*)iPtr.Ptr(), iPtr.Size()); |
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500 User::LeaveIfError(file.iObj.Write(ptrc8)); |
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501 |
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502 file.Pop(); |
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503 fs.Pop(); |
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504 } |
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505 |