chovy-sign/CHOVY-JUAN/LengthWrappingStream.cs

47 lines
1.8 KiB
C#

//
// Copyright (c) 2017, Bianco Veigel
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
namespace DiscUtils.Streams
{
/// <summary>
/// Represents a stream with a specified length
/// </summary>
/// <remarks>
/// since the wrapped stream may not support <see cref="System.IO.Stream.Position"/>
/// there is no validation of the specified length
/// </remarks>
public class LengthWrappingStream : WrappingStream
{
private readonly long _length;
public LengthWrappingStream(SparseStream toWrap, long length, Ownership ownership)
: base(toWrap, ownership)
{
_length = length;
}
public override long Length
{
get { return _length; }
}
}
}