49 lines
1.7 KiB
C#
49 lines
1.7 KiB
C#
//
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// PhysicalFileSource.cs - provides a FileSource for retrieving file data from a physical file on the file system
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//
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// Author:
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// Michael Becker <alcexhim@gmail.com>
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//
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// Copyright (c) 2011-2020 Mike Becker's Software
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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using System;
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namespace UniversalEditor.ObjectModels.FileSystem.FileSources
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{
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/// <summary>
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/// Provides a <see cref="FileSource" /> for retrieving file data from a physical file on the file system.
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/// </summary>
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public class PhysicalFileSource : FileSource
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{
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private string mvarFileName = String.Empty;
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public string FileName { get { return mvarFileName; } set { mvarFileName = value; } }
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public override byte[] GetDataInternal(long offset, long length)
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{
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byte[] sourceData = System.IO.File.ReadAllBytes(mvarFileName);
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long realLength = Math.Min(length, sourceData.Length);
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byte[] data = new byte[realLength];
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Array.Copy(sourceData, offset, data, 0, realLength);
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return data;
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}
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public override long GetLength()
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{
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return (new System.IO.FileInfo(mvarFileName)).Length;
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}
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}
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}
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