119 lines
4.0 KiB
C#
119 lines
4.0 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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using DiscUtils.Vfs;
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using DiscUtils.Streams;
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namespace DiscUtils.Iso9660
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{
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internal class File : IVfsFile
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{
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protected IsoContext _context;
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protected ReaderDirEntry _dirEntry;
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public File(IsoContext context, ReaderDirEntry dirEntry)
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{
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_context = context;
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_dirEntry = dirEntry;
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}
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public virtual byte[] SystemUseData
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{
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get { return _dirEntry.Record.SystemUseData; }
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}
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public UnixFileSystemInfo UnixFileInfo
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{
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get
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{
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if (!_context.SuspDetected || string.IsNullOrEmpty(_context.RockRidgeIdentifier))
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{
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throw new InvalidOperationException("No RockRidge file information available");
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}
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SuspRecords suspRecords = new SuspRecords(_context, SystemUseData, 0);
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PosixFileInfoSystemUseEntry pfi =
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suspRecords.GetEntry<PosixFileInfoSystemUseEntry>(_context.RockRidgeIdentifier, "PX");
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if (pfi != null)
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{
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return new UnixFileSystemInfo
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{
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FileType = (UnixFileType)((pfi.FileMode >> 12) & 0xff),
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Permissions = (UnixFilePermissions)(pfi.FileMode & 0xfff),
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UserId = (int)pfi.UserId,
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GroupId = (int)pfi.GroupId,
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Inode = pfi.Inode,
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LinkCount = (int)pfi.NumLinks
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};
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}
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throw new InvalidOperationException("No RockRidge file information available for this file");
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}
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}
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public DateTime LastAccessTimeUtc
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{
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get { return _dirEntry.LastAccessTimeUtc; }
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set { throw new NotSupportedException(); }
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}
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public DateTime LastWriteTimeUtc
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{
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get { return _dirEntry.LastWriteTimeUtc; }
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set { throw new NotSupportedException(); }
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}
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public DateTime CreationTimeUtc
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{
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get { return _dirEntry.CreationTimeUtc; }
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set { throw new NotSupportedException(); }
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}
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public FileAttributes FileAttributes
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{
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get { return _dirEntry.FileAttributes; }
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set { throw new NotSupportedException(); }
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}
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public long FileLength
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{
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get { return _dirEntry.Record.DataLength; }
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}
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public IBuffer FileContent
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{
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get
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{
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ExtentStream es = new ExtentStream(_context.DataStream, _dirEntry.Record.LocationOfExtent,
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_dirEntry.Record.DataLength, _dirEntry.Record.FileUnitSize, _dirEntry.Record.InterleaveGapSize);
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return new StreamBuffer(es, Ownership.Dispose);
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}
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}
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}
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} |