author | Jussi Ryoma <ext-jussi.s.ryoma@nokia.com> |
Fri, 27 Aug 2010 12:21:46 +0300 | |
changeset 3 | 045ade241ef5 |
parent 0 | 818e61de6cd1 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2004-2008 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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|
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using System; |
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using System.IO; |
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|
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namespace SymBuildParsingLib.Utils |
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{ |
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public class SymFileSystemUtils |
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{ |
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public static bool FileExists( string aFileName ) |
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{ |
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FileInfo info = new FileInfo( aFileName ); |
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return info.Exists; |
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} |
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|
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public static bool IsDriveValid( string aDrive ) |
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{ |
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bool valid = false; |
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// |
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if ( aDrive.Length > 0 ) |
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{ |
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valid = IsDriveValid( aDrive[ 0 ] ); |
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} |
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// |
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return valid; |
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} |
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|
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public static bool IsDriveValid( char aDrive ) |
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{ |
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string driveAsLowerCaseString = new string( aDrive, 1 ).ToLower(); |
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int drive = (int) driveAsLowerCaseString[ 0 ]; |
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// |
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int firstDrive = (int) 'a'; |
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int lastDrive = (int) 'z'; |
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// |
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bool valid = ( drive >= firstDrive && drive <= lastDrive ); |
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return valid; |
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} |
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|
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public static string AddPathSeparator( string aDir ) |
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{ |
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string ret = aDir.Trim(); |
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// |
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int length = ret.Length; |
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if ( length > 0 ) |
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{ |
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if ( ret[ length - 1 ] != Path.DirectorySeparatorChar ) |
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{ |
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ret += Path.DirectorySeparatorChar; |
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} |
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} |
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// |
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return ret; |
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} |
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|
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public static string DirectoryFromPath( string aName ) |
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{ |
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// C:\system\data\wibble.txt |
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// Returns C:\System\Data\ |
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string ret = Path.GetDirectoryName( aName ) + Path.DirectorySeparatorChar; |
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return ret; |
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} |
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public static string DriveFromPath( string aName ) |
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{ |
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// C:\\system\\data\\wibble.txt => C: |
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string drive = "C:"; |
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// |
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if ( Path.IsPathRooted( aName ) == true ) |
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{ |
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drive = Path.GetPathRoot( aName ); |
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|
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// Check its got a drive |
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if ( drive.Length < 2 || drive[ 1 ] != ':' ) |
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{ |
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throw new ArgumentException( "Path \'" + aName + "\' does not have a drive as its root" ); |
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} |
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drive = drive.Substring( 0, 2 ); |
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} |
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else |
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{ |
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throw new ArgumentException( "Path \'" + aName + "\' does not contain a root" ); |
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} |
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// |
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return drive; |
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} |
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|
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public static string PopDir( string aDir ) |
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{ |
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string ret = DirectoryFromPath( aDir ); |
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ret = AddPathSeparator( ret ); |
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|
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DirectoryInfo info = new DirectoryInfo( ret ); |
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ret = info.Parent.FullName; |
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111 |
ret = AddPathSeparator( ret ); |
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112 |
|
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113 |
return ret; |
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114 |
} |
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115 |
|
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116 |
public static string MergePaths( string aBasePath, string aOtherPath ) |
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117 |
{ |
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118 |
#region Examples |
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// "X:\Wibble\" + "+Build\Generated" => "X:\<epocroot>\EPOC32\Build\Generated"; |
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// "X:\Wibble\" + "..\something\" => "X:\something\" |
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121 |
// "X:\Wibble\" + "..something\" => "X:\Wibble\something" |
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122 |
// "X:\Wibble\" + "\something\" => "X:\something\" |
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123 |
// "X:\Wibble\" + ".\something\" => "X:\wibble\something\" |
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124 |
// "X:\Wibble\" + "something\" => "X:\wibble\something\" |
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125 |
// "X:\Wibble\" + "." => "X:\Wibble\" |
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126 |
// "X:\Wibble\" + "\" => "X:\Wibble\" |
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127 |
// "X:\Wibble\" + "a" => "X:\Wibble\a" |
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128 |
// "X:\Wibble\Whatsit.txt" + "X:\Wibble\" => "X:\Wibble\" |
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129 |
// "X:\Wibble\Whatsit.txt" + "NextWibble.txt" => "X:\Wibble\NextWibble.txt" |
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130 |
#endregion |
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131 |
string otherPath = aOtherPath; |
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132 |
// |
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133 |
string ret = aBasePath.Trim(); |
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134 |
ret = DirectoryFromPath(ret); |
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135 |
ret = AddPathSeparator(ret); |
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136 |
// |
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137 |
int length = otherPath.Length; |
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138 |
if (length >= 1) |
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139 |
{ |
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140 |
char firstChar = otherPath[0]; |
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141 |
if ( firstChar == '.' ) |
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142 |
{ |
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143 |
bool needToPushRemainder = false; |
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144 |
bool finishedCheckingForDirPops = false; |
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145 |
// |
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146 |
while( finishedCheckingForDirPops == false ) |
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147 |
{ |
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148 |
// Assume we only go around once |
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149 |
finishedCheckingForDirPops = true; |
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150 |
firstChar = otherPath[0]; |
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151 |
length = otherPath.Length; |
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152 |
// |
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153 |
if ( firstChar == '.' ) |
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154 |
{ |
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155 |
if ( length >= 2 ) |
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156 |
{ |
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157 |
char secondChar = otherPath[1]; |
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158 |
if ( secondChar == '.' ) |
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159 |
{ |
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160 |
// Keep popping directories from the base path (now stored in 'ret') |
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161 |
// while there are "..\" sub-strings remaining at the start of the |
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162 |
// "other path" |
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163 |
ret = PopDir(ret); |
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164 |
|
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165 |
// Tidy up the "otherPath" to remove the two dots which we just parsed |
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166 |
int subStringPos = 2; |
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167 |
if (length >= 3 && otherPath[2] == '\\') |
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168 |
{ |
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169 |
subStringPos = 3; |
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170 |
} |
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171 |
// |
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172 |
needToPushRemainder = true; |
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173 |
otherPath = otherPath.Substring( subStringPos ); |
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174 |
finishedCheckingForDirPops = false; |
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175 |
} |
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176 |
} |
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177 |
} |
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178 |
} |
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179 |
|
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180 |
if ( needToPushRemainder ) |
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181 |
{ |
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182 |
ret += otherPath; |
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183 |
} |
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184 |
} |
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185 |
else if ( firstChar == '\\' ) |
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186 |
{ |
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187 |
if (length > 1) |
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188 |
{ |
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189 |
// Root path |
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190 |
ret = DriveFromPath( ret ); |
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191 |
ret += otherPath; |
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192 |
} |
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193 |
} |
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194 |
else if ( firstChar == '+' && otherPath.Length > 0 ) |
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195 |
{ |
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196 |
// Need to add epoc root and then EPOC32, then the path without the + |
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197 |
string actualPathPart = otherPath.Substring(1); |
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198 |
if ( actualPathPart.Length > 0 && actualPathPart[0] == '\\' ) |
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199 |
{ |
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200 |
actualPathPart = actualPathPart.Substring(1); |
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201 |
} |
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202 |
|
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203 |
string epocRootValue = SymEnvironment.EpocRoot; |
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204 |
ret = DriveFromPath(ret); |
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205 |
ret += AddPathSeparator( epocRootValue ); |
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|
206 |
ret += AddPathSeparator( SymEnvironment.Epoc32Path ); |
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|
207 |
ret += AddPathSeparator( actualPathPart ); |
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208 |
} |
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209 |
else |
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210 |
{ |
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211 |
if ( otherPath[ length-1 ] == '\\' ) |
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212 |
{ |
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213 |
// Assume we already have a complete path |
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214 |
ret = otherPath; |
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215 |
} |
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216 |
else |
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217 |
{ |
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|
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ret += otherPath; |
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} |
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} |
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} |
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|
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/* |
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const string nameAndExt = FileNameAndExtension(ret); |
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const bool containsDot = (nameAndExt.find_last_of('.') != string::npos); |
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if (!FileExists(ret) && ret.length() && ret[ret.length()-1] != '\\' && containsDot) |
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{ |
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cout << "WARNING - possible file merge error:" << endl; |
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cout << "\tMerging: " << aBasePath << " with: " << aOtherPath << endl; |
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cout << "\t\t -> " << ret << endl << endl; |
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} |
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*/ |
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return ret; |
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} |
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} |
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} |