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1 // Copyright (c) 2005-2009 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 /** |
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17 @file |
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18 @internalComponent |
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19 @released |
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20 */ |
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21 |
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22 #include "cntfilesearch.h" |
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23 |
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24 const TInt KNameArrayGranularity = 32; |
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25 |
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26 //Define the patchable data for database cache size here but which is actually used |
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27 //in CPplContactsFile.cpp. This is a must-be so that the compiler cannot perform any |
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28 //"constant folding" with the value |
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29 EXPORT_C extern const TInt KContactsModelSqliteDbCacheSize = 0; |
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30 |
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31 _LIT(KSqLiteFilePrefix, "SQLite__"); |
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32 const TInt KPrefixNameLength = 8; // length of above prefix string |
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33 |
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34 CDesCArray* CCntFileScanner::ListFilesL(RFs& aFs, TDriveUnit* aDriveUnit) |
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35 { |
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36 CCntFileScanner* scanner = new (ELeave) CCntFileScanner(aFs); // gets pushed in first lines of ScanLD |
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37 // coverity [memory_leak] |
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38 return scanner->ScanLD(aDriveUnit); |
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39 } |
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40 |
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41 |
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42 CCntFileScanner::CCntFileScanner(RFs& aFs) |
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43 : |
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44 iFs(aFs) |
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45 { |
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46 } |
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47 |
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48 |
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49 CCntFileScanner::~CCntFileScanner() |
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50 { |
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51 delete iDirStack; |
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52 } |
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53 |
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54 |
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55 CDesCArray* CCntFileScanner::ScanLD(TDriveUnit* aDriveUnit) |
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56 { |
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57 CleanupStack::PushL(this); |
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58 |
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59 iFs.PrivatePath(iPath); |
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60 iDirStack = new(ELeave) CDesCArrayFlat(KNameArrayGranularity); |
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61 |
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62 if (aDriveUnit) |
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63 { |
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64 AddDirL(*aDriveUnit); |
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65 } |
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66 else |
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67 { |
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68 GenerateRootDirsL(); |
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69 } |
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70 |
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71 CDesCArray* results = new(ELeave) CDesCArrayFlat(KNameArrayGranularity); |
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72 CleanupStack::PushL(results); |
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73 ScanForFilesL(*results); |
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74 CleanupStack::Pop(results); |
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75 CleanupStack::PopAndDestroy(this); |
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76 |
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77 return results; |
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78 } |
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79 |
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80 |
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81 void CCntFileScanner::AddDirL(TDriveUnit& aDriveUnit) |
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82 { |
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83 ASSERT(iDirStack); |
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84 TBuf<3> root; |
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85 root.Copy(aDriveUnit.Name()); |
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86 root.Append(TChar(KPathDelimiter)); |
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87 iDirStack->AppendL(root); |
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88 } |
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89 |
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90 |
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91 void CCntFileScanner::GenerateRootDirsL() |
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92 { |
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93 ASSERT(iDirStack); |
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94 // Generate list of root dirs. |
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95 TBuf<3> root; |
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96 TDriveList driveList; |
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97 User::LeaveIfError(iFs.DriveList(driveList)); |
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98 TInt len = driveList.Length(); |
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99 for (TInt index = 0; index < len; ++index) |
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100 { |
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101 if(driveList[index]) // Check drive exists. |
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102 { |
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103 root.Copy(TDriveUnit(index).Name()); |
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104 root.Append(TChar(KPathDelimiter)); |
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105 iDirStack->AppendL(root); |
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106 } |
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107 } |
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108 } |
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109 |
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110 |
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111 void CCntFileScanner::ScanForFilesL(CDesCArray& aResults) |
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112 { |
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113 ASSERT(iDirStack); |
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114 // Traverse the directory stack until all directories have been examined. |
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115 |
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116 TFileName filename; |
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117 while(iDirStack->Count()) |
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118 { |
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119 // Pop the dir. |
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120 filename.Copy(iDirStack->MdcaPoint(0)); |
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121 iDirStack->Delete(0); |
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122 if(iPath.Length()!=0) |
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123 { |
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124 filename.Delete(2,1); |
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125 filename.Append(iPath); |
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126 } |
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127 else if(filename[filename.Length() - 1] != KPathDelimiter) |
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128 { // Check it has a trailing '\' to identify it as a dir path. |
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129 filename.Append(TChar(KPathDelimiter)); |
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130 } |
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131 TRAPD(err,ScanDirectoryL(filename, aResults)); |
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132 if(err==KErrNoMemory) |
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133 { // Continue to search in each drive except for out of memory. |
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134 User::Leave(err); |
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135 } |
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136 } |
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137 } |
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138 |
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139 |
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140 /** |
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141 Get a list of all files and subdirectories in aDirPath (when the path is not |
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142 specified). |
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143 */ |
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144 void CCntFileScanner::ScanDirectoryL(const TDesC& aDirPath, CDesCArray& aResults) |
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145 { |
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146 CDir* files = NULL; |
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147 CDir* subdirs = NULL; |
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148 |
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149 User::LeaveIfError(iFs.GetDir(aDirPath, KEntryAttAllowUid, ESortByName, files, subdirs)); |
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150 |
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151 TRAPD(err,AppendFileNamesL(*files, aDirPath, aResults)); |
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152 |
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153 delete files; |
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154 delete subdirs; |
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155 User::LeaveIfError(err); |
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156 } |
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157 |
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158 |
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159 void CCntFileScanner::AppendFileNamesL(const CDir& aFileSet, const TDesC& aDirPath, CDesCArray& aFileNames) const |
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160 { |
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161 TParse parse; |
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162 TInt len = aFileSet.Count(); |
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163 |
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164 for(TInt idx = 0; idx < len ; ++idx) |
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165 { |
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166 const TEntry& entry = aFileSet[idx]; |
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167 User::LeaveIfError(parse.SetNoWild(entry.iName, &aDirPath, NULL)); |
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168 |
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169 TInt found = parse.NameAndExt().FindF(KSqLiteFilePrefix); |
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170 |
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171 if (found == 0 && iPath.Length() > 0) |
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172 { |
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173 // add drive, remove prefix, add to list of files |
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174 TFileName filename(parse.Drive()); |
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175 filename.Append(parse.NameAndExt().Right(parse.NameAndExt().Length() - KPrefixNameLength)); |
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176 |
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177 aFileNames.AppendL(filename); |
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178 } |
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179 |
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180 } |
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181 } |