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/*
* clzma.h
*
* This file is a part of NSIS.
*
* Copyright (C) 1999-2025 Nullsoft and Contributors
*
* Licensed under the zlib/libpng license (the "License");
* you may not use this file except in compliance with the License.
*
* Licence details can be found in the file COPYING.
*
* This software is provided 'as-is', without any express or implied
* warranty.
*
* Unicode support by Jim Park -- 08/24/2007
*/
#ifndef __CLZMA_H__
#define __CLZMA_H__
#include "Platform.h"
#ifndef _WIN32
# include <pthread.h>
#endif
#include "compressor.h"
#include "7zip/7zip/IStream.h"
#include "7zip/7zip/Compress/LZMA/LZMAEncoder.h"
#include "7zip/Common/MyCom.h"
#include "7zip/Common/Defs.h"
#define LZMA_BAD_CALL -1
#define LZMA_INIT_ERROR -2
#define LZMA_THREAD_ERROR -3
#define LZMA_IO_ERROR -4
#define LZMA_MEM_ERROR -5
class CLZMA:
public ICompressor,
public ISequentialInStream,
public ISequentialOutStream,
public CMyUnknownImp
{
private:
NCompress::NLZMA::CEncoder *_encoder;
#ifdef _WIN32
HANDLE hCompressionThread;
#else
pthread_t hCompressionThread;
#endif
HANDLE hNeedIOEvent;
HANDLE hIOReadyEvent;
BYTE *next_in; /* next input byte */
UINT avail_in; /* number of bytes available at next_in */
BYTE *next_out; /* next output byte should be put there */
UINT avail_out; /* remaining free space at next_out */
int res;
BOOL finish;
BOOL compressor_finished;
int ConvertError(HRESULT result);
void GetMoreIO();
int CompressReal();
#ifdef _WIN32
static DWORD WINAPI lzmaCompressThread(LPVOID lpParameter);
#else
static void* lzmaCompressThread(void *lpParameter);
#endif
public:
MY_UNKNOWN_IMP
CLZMA();
virtual ~CLZMA();
virtual int Init(int level, unsigned int dicSize);
virtual int End();
virtual int Compress(bool flush);
STDMETHOD(Read)(void *data, UINT32 size, UINT32 *processedSize);
STDMETHOD(ReadPart)(void *data, UINT32 size, UINT32 *processedSize);
STDMETHOD(Write)(const void *data, UINT32 size, UINT32 *processedSize);
STDMETHOD(WritePart)(const void *data, UINT32 size, UINT32 *processedSize);
virtual void SetNextIn(char *in, unsigned int size);
virtual void SetNextOut(char *out, unsigned int size);
virtual char *GetNextOut();
virtual unsigned int GetAvailIn();
virtual unsigned int GetAvailOut();
virtual const TCHAR *GetName();
virtual const TCHAR* GetErrStr(int err);
};
#endif
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