/// ------------------------------------------------------------------------------------
/// <summary>
/// Try to match the given pathname to an existing file, playing whatever games are
/// necessary with Unicode normalization. (See LT-8726.)
/// </summary>
/// <param name="sPathname">full pathname of a file</param>
/// <returns></returns>
/// ------------------------------------------------------------------------------------
public static string ActualFilePath(string sPathname)
{
if (s_fileos.FileExists(sPathname))
{
return(sPathname);
}
if (s_fileos.FileExists(sPathname.Normalize())) // NFC
{
return(sPathname.Normalize());
}
if (s_fileos.FileExists(sPathname.Normalize(NormalizationForm.FormD))) // NFD
{
return(sPathname.Normalize(NormalizationForm.FormD));
}
string sDir = Path.GetDirectoryName(sPathname);
string sFile = Path.GetFileName(sPathname).Normalize().ToLowerInvariant();
if (!s_fileos.DirectoryExists(sDir))
{
sDir = sDir.Normalize();
}
if (!s_fileos.DirectoryExists(sDir))
{
sDir = sDir.Normalize(NormalizationForm.FormD);
}
if (s_fileos.DirectoryExists(sDir))
{
foreach (string sPath in s_fileos.GetFilesInDirectory(sDir))
{
string sName = Path.GetFileName(sPath).Normalize().ToLowerInvariant();
if (sName == sFile)
{
return(sPath);
}
}
}
// nothing matches, so return the original pathname
return(sPathname);
}
