using System.Collections;
using System.Collections.Specialized;
using System.IO;
+using System.Text;
namespace Mono.XBuild.Utilities {
case "extension":
return Path.GetExtension (itemSpec);
case "relativedir":
- return WithTrailingSlash (Path.GetDirectoryName (itemSpec));
+ return WithTrailingSlash (AbsoluteToRelativePath (Environment.CurrentDirectory, Path.GetDirectoryName (itemSpec)));
case "directory":
string fullpath = Path.GetFullPath (itemSpec);
return WithTrailingSlash (
static string WithTrailingSlash (string path)
{
+ if (String.IsNullOrEmpty (path))
+ return String.Empty;
+
if (path.Length > 0)
return path + Path.DirectorySeparatorChar;
else
return path;
}
+
+ readonly static char[] separators = { Path.DirectorySeparatorChar, Path.VolumeSeparatorChar, Path.AltDirectorySeparatorChar };
+ static string AbsoluteToRelativePath (string baseDirectoryPath, string absPath)
+ {
+ if (!Path.IsPathRooted (absPath))
+ return absPath;
+
+ absPath = Path.GetFullPath (absPath);
+ baseDirectoryPath = Path.GetFullPath (baseDirectoryPath.TrimEnd (Path.DirectorySeparatorChar));
+
+ string[] bPath = baseDirectoryPath.Split (separators);
+ string[] aPath = absPath.Split (separators);
+ int indx = 0;
+
+ for (; indx < System.Math.Min (bPath.Length, aPath.Length); indx++) {
+ if (!bPath[indx].Equals(aPath[indx]))
+ break;
+ }
+
+ if (indx == 0)
+ return absPath;
+
+ StringBuilder result = new StringBuilder ();
+
+ for (int i = indx; i < bPath.Length; i++) {
+ result.Append ("..");
+ if (i + 1 < bPath.Length || aPath.Length - indx > 0)
+ result.Append (Path.DirectorySeparatorChar);
+ }
+
+
+ result.Append (String.Join(Path.DirectorySeparatorChar.ToString(), aPath, indx, aPath.Length - indx));
+ if (result.Length == 0)
+ return ".";
+ return result.ToString ();
+ }
+
+ static string RelativeToAbsolutePath (string baseDirectoryPath, string relPath)
+ {
+ return Path.GetFullPath (Path.Combine (baseDirectoryPath, relPath));
+ }
}
}