108 lines
3.5 KiB
C#
108 lines
3.5 KiB
C#
//
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// Copyright (c) 2008-2011, Kenneth Bell
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.IO;
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namespace DiscUtils.Internal
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{
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public sealed class LocalFileLocator : FileLocator
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{
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private readonly string _dir;
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public LocalFileLocator(string dir)
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{
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_dir = dir;
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}
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public override bool Exists(string fileName)
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{
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return File.Exists(Path.Combine(_dir, fileName));
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}
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protected override Stream OpenFile(string fileName, FileMode mode, FileAccess access, FileShare share)
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{
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return new FileStream(Path.Combine(_dir, fileName), mode, access, share);
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}
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public override FileLocator GetRelativeLocator(string path)
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{
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return new LocalFileLocator(Path.Combine(_dir, path));
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}
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public override string GetFullPath(string path)
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{
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string combinedPath = Path.Combine(_dir, path);
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if (string.IsNullOrEmpty(combinedPath))
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{
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#if NETSTANDARD1_5
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return Directory.GetCurrentDirectory();
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#else
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return Environment.CurrentDirectory;
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#endif
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}
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return Path.GetFullPath(combinedPath);
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}
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public override string GetDirectoryFromPath(string path)
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{
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return Path.GetDirectoryName(path);
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}
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public override string GetFileFromPath(string path)
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{
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return Path.GetFileName(path);
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}
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public override DateTime GetLastWriteTimeUtc(string path)
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{
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return File.GetLastWriteTimeUtc(Path.Combine(_dir, path));
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}
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public override bool HasCommonRoot(FileLocator other)
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{
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LocalFileLocator otherLocal = other as LocalFileLocator;
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if (otherLocal == null)
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{
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return false;
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}
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// If the paths have drive specifiers, then common root depends on them having a common
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// drive letter.
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string otherDir = otherLocal._dir;
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if (otherDir.Length >= 2 && _dir.Length >= 2)
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{
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if (otherDir[1] == ':' && _dir[1] == ':')
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{
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return char.ToUpperInvariant(otherDir[0]) == char.ToUpperInvariant(_dir[0]);
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}
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}
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return true;
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}
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public override string ResolveRelativePath(string path)
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{
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return Utilities.ResolveRelativePath(_dir, path);
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}
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}
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} |