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(InputProxyStream): generalization of input filters.

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This commit is contained in:
morkt
2016-07-02 06:06:32 +04:00
parent cc22f988c6
commit 883ee94a7e
8 changed files with 39 additions and 174 deletions
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26
ArcFormats/LzssStream.cs
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@@ -138,26 +138,21 @@ namespace GameRes.Compression
#endregion
}
public class LzssStream : Stream
public class LzssStream : GameRes.Formats.InputProxyStream
{
Stream m_input;
LzssCoroutine m_reader;
bool m_should_dispose;
public LzssStream (Stream input, LzssMode mode = LzssMode.Decompress, bool leave_open = false)
: base (input, leave_open)
{
if (mode != LzssMode.Decompress)
throw new NotImplementedException ("LzssStream compression not implemented");
m_input = input;
m_reader = new LzssCoroutine (input);
m_should_dispose = !leave_open;
}
public LzssSettings Config { get { return m_reader; } }
public override bool CanRead { get { return m_input.CanRead; } }
public override bool CanSeek { get { return false; } }
public override bool CanWrite { get { return false; } }
public override long Length
{
get { throw new NotSupportedException ("LzssStream.Length property is not supported"); }
@@ -184,29 +179,12 @@ namespace GameRes.Compression
throw new NotSupportedException ("LzssStream.Seek method is not supported");
}
public override void SetLength (long length)
{
throw new NotSupportedException ("LzssStream.SetLength method is not supported");
}
public override void Write (byte[] buffer, int offset, int count)
{
throw new NotSupportedException ("LzssStream.Write method is not supported");
}
public override void WriteByte (byte value)
{
throw new NotSupportedException ("LzssStream.WriteByte method is not supported");
}
#region IDisposable Members
bool m_disposed = false;
protected override void Dispose (bool disposing)
{
if (!m_disposed)
{
if (m_should_dispose && disposing)
m_input.Dispose();
m_reader.Dispose();
m_disposed = true;
base.Dispose (disposing);