public static bool IsEmpty(BasePath basePath)
{
if (basePath == null)
{
throw new ArgumentNullException();
}
return(basePath.Path.Length == 0);
}
public static bool operator ==(BasePath path1, object path2)
{
if (BasePath.ReferenceEquals(path1, null))
{
return(BasePath.ReferenceEquals(path2, null));
}
return(path1.Equals(path2));
}
public static bool DoesPathHasThisPathMode(BasePath basePath, PathMode pathMode)
{
if (basePath == null)
{
throw new ArgumentNullException();
}
return((basePath.IsAbsolutePath && pathMode == PathMode.Absolute) ||
(basePath.IsRelativePath && pathMode == PathMode.Relative));
}
protected static string GetAbsolutePathFrom(DirectoryPathAbsolute pathFrom, BasePath pathTo)
{
Debug.Assert(pathTo.IsRelativePath);
if (pathTo.IsFilePath)
{
pathTo = pathTo.ParentDirectoryPath;
}
return(InternalStringHelper.GetAbsolutePath(pathFrom.Path, pathTo.Path));
}
public override bool Equals(object obj)
{
BasePath basePath = obj as BasePath;
if (!BasePath.ReferenceEquals(basePath, null))
{
return(this.Equals(basePath));
}
return(false);
}
//
// Absolute/Relative path conversion
//
public DirectoryPathRelative GetPathRelativeFrom(DirectoryPathAbsolute path)
{
if (path == null)
{
throw new ArgumentNullException();
}
if (PathHelper.IsEmpty(this) || PathHelper.IsEmpty(path))
{
throw new ArgumentException("Cannot compute a relative path from an empty path.");
}
return(new DirectoryPathRelative(BasePath.GetPathRelative(path, this)));
}
//
// Absolute/Relative path conversion
//
public FilePathAbsolute GetAbsolutePathFrom(DirectoryPathAbsolute path)
{
if (path == null)
{
throw new ArgumentNullException();
}
if (PathHelper.IsEmpty(this) || PathHelper.IsEmpty(path))
{
throw new ArgumentException("Cannot compute an absolute path from an empty path.");
}
string pathAbsolute = BasePath.GetAbsolutePathFrom(path, this);
return(new FilePathAbsolute(pathAbsolute + System.IO.Path.DirectorySeparatorChar + this.FileName));
}
protected static string GetPathRelative(DirectoryPathAbsolute pathFrom, BasePath pathTo)
{
Debug.Assert(pathTo.IsAbsolutePath);
if (string.Compare(pathFrom.DriveProtected, pathTo.DriveProtected, true) != 0)
{
throw new ArgumentException(@"Cannot compute relative path from 2 paths that are not on the same drive
PathFrom = """ + pathFrom.Path + @"""
PathTo = """ + pathTo.Path + @"""");
}
if (pathTo.IsFilePath)
{
pathTo = pathTo.ParentDirectoryPath;
}
return(InternalStringHelper.GetPathRelativeTo(pathFrom.Path, pathTo.Path));
}
bool Equals(BasePath path)
{
Debug.Assert(path != null);
if (path.IsEmpty)
{
return(this.IsEmpty);
}
if (this.IsAbsolutePath != path.IsAbsolutePath)
{
return(false);
}
// A FilePath could be equal to a DirectoryPath
if (this.IsDirectoryPath != path.IsDirectoryPath)
{
return(false);
}
return(string.Compare(this.m_Path, path.m_Path, true) == 0);
}
public static bool IsNullOrEmpty(BasePath basePath)
{
return(basePath == null || IsEmpty(basePath));
}