/// <summary>
///
/// </summary>
/// <param name="fileLocator"></param>
/// <param name="path"></param>
/// <returns></returns>
public string MakeRelativePath(IFileLocator fileLocator, string path)
{
if (!HasCommonRoot(fileLocator))
{
return(null);
}
string ourFullPath = GetFullPath(string.Empty) + @"\";
string otherFullPath = fileLocator.GetFullPath(path);
return(Util.MakeRelativePath(otherFullPath, ourFullPath));
}
/// <summary>
/// Checks if this locator has a common root with another locator.
/// </summary>
/// <param name="other"></param>
/// <returns></returns>
public override bool HasCommonRoot(IFileLocator other)
{
LocalFileLocator otherLocal = other as LocalFileLocator;
if (otherLocal == null)
{
return(false);
}
// if the paths have drive specifiers, then common root depends on them having a common
// drive letter.
string otherDir = otherLocal.dir;
if (otherDir.Length >= 2 && dir.Length >= 2)
{
if (otherDir[1] == ':' && dir[1] == ':')
{
return(Char.ToUpperInvariant(otherDir[0]) == Char.ToUpperInvariant(dir[0]));
}
}
return(true);
}
/// <summary>
/// Initializes a new instance of the <see cref="LocalFileLocator"/> class.
/// </summary>
/// <param name="dir"></param>
public LocalFileLocator(IFileLocator basePath, string dir)
{
this.dir = basePath.GetFullPath(dir);
}
/// <summary> /// Checks if this locator has a common root with another locator. /// </summary> /// <param name="other"></param> /// <returns></returns> public abstract bool HasCommonRoot(IFileLocator other);