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1 /* |
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2 * Copyright (c) 2006-2009 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 the License "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: |
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15 * |
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16 */ |
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17 |
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18 |
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19 #include<errno.h> |
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20 #include<fstream> |
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21 #include<iostream> |
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22 #include<sstream> |
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23 |
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24 #include"utility_interface.h" |
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25 |
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26 bool FileExists(const std::wstring& aFile) |
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27 { |
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28 return true; |
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29 } |
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30 bool RemoveFile(const std::wstring& aFile) |
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31 { |
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32 return true; |
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33 } |
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34 bool CreateFile(const std::wstring& aFile) |
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35 { |
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36 return true; |
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37 } |
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38 |
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39 int GetStat(const std::wstring& aFile, struct stat* s) |
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40 { |
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41 std::string str; |
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42 return stat(Ucs2ToUtf8(aFile, str).c_str(), s); |
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43 } |
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44 |
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45 void GetDirContents(const std::wstring& path, |
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46 std::list<std::wstring>& contents) |
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47 { |
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48 |
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49 std::string utfString; |
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50 DIR* currDir = opendir(Ucs2ToUtf8(path, utfString).c_str()); |
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51 |
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52 while (currDir) |
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53 { |
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54 dirent* currElem = readdir(currDir); |
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55 if (currElem == 0) |
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56 { |
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57 closedir(currDir); |
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58 currDir = 0; |
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59 } |
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60 else |
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61 { |
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62 std::wstring ucsString; |
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63 contents.push_back(Utf8ToUcs2(currElem->d_name, ucsString)); |
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64 } |
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65 } |
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66 } |
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67 |
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68 bool IsDirectory(std::wstring& aStr) |
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69 { |
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70 bool ret = false; |
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71 // |
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72 if ( aStr.length() > 0 ) |
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73 { |
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74 struct stat x; |
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75 // |
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76 int err = GetStat(aStr,&x ); |
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77 // |
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78 if ( err != 0 ) |
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79 { |
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80 wchar_t lastChar = aStr[ aStr.length() - 1 ]; |
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81 |
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82 if ( lastChar == L'\\' || lastChar == '/' ) |
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83 { |
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84 // Try again, but without the trailing backslash |
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85 std::wstring path = aStr.substr( 0, aStr.length() - 1 ); |
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86 err = GetStat( path, &x ); |
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87 if ( err == 0 && (x.st_mode & S_IFDIR) > 0 ) |
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88 { |
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89 aStr = path; |
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90 } |
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91 } |
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92 } |
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93 // |
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94 ret = ( err == 0 && (x.st_mode & S_IFDIR) > 0 ); |
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95 } |
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96 // |
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97 return ret; |
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98 } |
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99 |
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100 |
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101 bool MakeDir(const std::wstring& aDir) |
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102 { |
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103 // This function makes all the directories in a subdirectory hierarchy. |
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104 // If the first character in aDir is a backslash, then we assume it refers |
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105 // to the root of a drive, hence we start the index below at 1 to skip over |
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106 // this initial root directory. |
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107 size_t index = aDir.find(L':', 0); |
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108 if(std::wstring::npos == index) |
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109 { |
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110 index = 0; |
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111 } |
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112 else |
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113 {// Skip creation of root directory |
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114 index = aDir.find(L'\\', index); |
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115 } |
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116 do |
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117 { |
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118 index += 1; |
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119 // Try to make each directory in the path. If ERR_ALREADY_EXISTS is returned |
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120 // then this is okay. Other errors are fatal. |
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121 index = aDir.find(L'\\', index); |
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122 std::wstring dir = aDir.substr( 0, index ); |
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123 if(dir == L".") |
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124 { |
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125 continue; |
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126 } |
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127 if (!CreateDir(dir.c_str()) && GetErrorValue() != ERROR_ALREADY_EXISTS) |
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128 { |
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129 int lastErr = GetErrorValue(); |
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130 (void) lastErr; |
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131 return false; |
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132 } |
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133 |
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134 } while (index != std::wstring::npos); |
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135 |
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136 return true; |
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137 } |
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138 |
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139 |
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140 bool OpenFile(const std::wstring& aFile, std::fstream& aStream, |
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141 std::ios_base::open_mode aMode) |
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142 { |
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143 std::string s; |
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144 aStream.open(Ucs2ToUtf8(aFile, s).c_str(), aMode); |
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145 return aStream.good(); |
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146 } |
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147 |
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148 |
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149 int GetAugmentationsNumber(const std::wstring& aFile) |
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150 { |
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151 for (int index = 1; index < 0xFFFFFFFF; index++) |
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152 { |
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153 std::wstringstream s2; |
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154 s2 << std::hex << index; |
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155 |
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156 // e.g. 12345678_x.sis |
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157 std::wstring fileName = aFile + s2.str() + L".sis"; |
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158 |
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159 if ( !FileExists(fileName) ) |
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160 { |
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161 // return the next available index |
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162 return index; |
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163 } |
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164 } |
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165 |
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166 return 0; |
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167 } |
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168 |
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169 |
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170 bool CheckSisRegistryDirPresent(const std::wstring& aDrivePath, TUint32 aUid) |
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171 { |
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172 std::wstring ret = StringUtils::MakePathFromSID( aDrivePath + L"/sys/install/sisregistry/", aUid ); |
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173 |
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174 return IsDirectory(ret); |
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175 } |
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176 |
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177 void RemoveHashForFile(const std::wstring& aFile, const int aDriveLetter, const std::wstring& aPath) |
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178 { |
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179 std::wstring hashdir = L"$:\\sys\\hash\\"; |
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180 std::wstring basename = aFile.substr( aFile.rfind( KDirectorySeparator ) + 1) ; |
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181 if (basename.size() == 0) |
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182 { |
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183 basename = aFile.substr(aFile.rfind(L"\\")); |
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184 } |
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185 |
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186 hashdir[0] = aDriveLetter; |
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187 std::wstring hashFile = aPath + L"\\sys\\hash\\" + basename; |
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188 if (FileExists(hashFile)) |
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189 { |
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190 RemoveFile(hashFile); |
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191 } |
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192 } |