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// ICoder.cs
//
// Copyright (C) 2009 Bartek Jasicki based on LZMA SDK
//
// This file is part of Grubng
//
// Grubng is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
using System;
namespace Grubng
{
public interface ICoder
{
/// <summary>
/// Codes streams.
/// </summary>
/// <param name="inStream">
/// input Stream.
/// </param>
/// <param name="outStream">
/// output Stream.
/// </param>
/// <exception cref="SevenZip.DataErrorException">
/// if input stream is not valid
/// </exception>
void Code(System.IO.Stream inStream, System.IO.Stream outStream);
};
/// <summary>
/// Provides the fields that represent properties idenitifiers for compressing.
/// </summary>
[Serializable]
public enum CoderPropID
{
/// <summary>
/// Specifies size of dictionary.
/// </summary>
DictionarySize = 0x400,
/// <summary>
/// Specifies size of memory for PPM*.
/// </summary>
UsedMemorySize,
/// <summary>
/// Specifies order for PPM methods.
/// </summary>
Order,
/// <summary>
/// Specifies number of postion state bits for LZMA (0 <= x <= 4).
/// </summary>
PosStateBits = 0x440,
/// <summary>
/// Specifies number of literal context bits for LZMA (0 <= x <= 8).
/// </summary>
LitContextBits,
/// <summary>
/// Specifies number of literal position bits for LZMA (0 <= x <= 4).
/// </summary>
LitPosBits,
/// <summary>
/// Specifies number of fast bytes for LZ*.
/// </summary>
NumFastBytes = 0x450,
/// <summary>
/// Specifies match finder. LZMA: "BT2", "BT4" or "BT4B".
/// </summary>
MatchFinder,
/// <summary>
/// Specifies number of passes.
/// </summary>
NumPasses = 0x460,
/// <summary>
/// Specifies number of algorithm.
/// </summary>
Algorithm = 0x470,
/// <summary>
/// Specifies multithread mode.
/// </summary>
MultiThread = 0x480,
/// <summary>
/// Specifies mode with end marker.
/// </summary>
EndMarker = 0x490
};
public interface ISetCoderProperties
{
void SetCoderProperties(CoderPropID[] propIDs, object[] properties);
};
public interface IWriteCoderProperties
{
void WriteCoderProperties(System.IO.Stream outStream);
}
}
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