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function to retrieve a file name in a case-sensitive (or case-insensitive) manner on traditionally unsupported filesystems

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Michael Becker 2020-05-29 18:13:13 -04:00
parent 73b696fc3f
commit 6842236967
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3 changed files with 89 additions and 0 deletions
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30
MBS.Framework/IO/CaseSensitiveHandling.cs Normal file
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@ -0,0 +1,30 @@
//
// CaseSensitiveHandling.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 enum CaseSensitiveHandling
{
System = -1,
CaseInsensitive = 0,
CaseSensitive = 1
}
}

56
MBS.Framework/IO/File.cs Normal file
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//
// 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;
}
}
}
}

3
MBS.Framework/MBS.Framework.csproj
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@ -68,11 +68,14 @@
<Compile Include="Logic\Conditional\ConditionGroup.cs" />
<Compile Include="Logic\Conditional\Condition.cs" />
<Compile Include="SeekDirection.cs" />
<Compile Include="IO\File.cs" />
<Compile Include="IO\CaseSensitiveHandling.cs" />
</ItemGroup>
<ItemGroup>
<Folder Include="Logic\" />
<Folder Include="Logic\Expressions\" />
<Folder Include="Logic\Conditional\" />
<Folder Include="IO\" />
</ItemGroup>
<Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
</Project>