57 lines
2.1 KiB
C#

//
// File.cs
//
// Author:
// Michael Becker <alcexhim@gmail.com>
//
// Copyright (c) 2020 Mike Becker's Software
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
using System;
namespace MBS.Framework.IO
{
public class File
{
public static string Find(string filename, CaseSensitiveHandling caseSensitiveHandling = CaseSensitiveHandling.System)
{
string fn1 = System.IO.Path.GetFileName(filename);
if ((Environment.OSVersion.Platform == PlatformID.Unix && caseSensitiveHandling == CaseSensitiveHandling.CaseInsensitive) ||
((Environment.OSVersion.Platform == PlatformID.MacOSX || Environment.OSVersion.Platform == PlatformID.Win32Windows) && caseSensitiveHandling == CaseSensitiveHandling.CaseSensitive))
{
// do some extra work to return case-insensitive file on *nix
string dirname = System.IO.Path.GetDirectoryName(filename);
if (String.IsNullOrEmpty(dirname))
return filename;
string[] files = System.IO.Directory.GetFiles(dirname, "*", System.IO.SearchOption.TopDirectoryOnly);
for (int i = 0; i < files.Length; i++)
{
string fn = System.IO.Path.GetFileName(files[i]);
if ((caseSensitiveHandling == CaseSensitiveHandling.CaseInsensitive && fn.ToUpper() == fn1.ToUpper())
|| (caseSensitiveHandling == CaseSensitiveHandling.CaseSensitive && fn == fn1))
return files[i];
}
return null;
}
else
{
if (System.IO.File.Exists(filename))
return filename;
return null;
}
}
}
}