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Tino Reichardt
2016-06-25 21:15:50 +02:00
commit c3967fe27a
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106
CPP/7zip/Common/RegisterCodec.h Normal file
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// RegisterCodec.h
#ifndef __REGISTER_CODEC_H
#define __REGISTER_CODEC_H
#include "../Common/MethodId.h"
#include "../ICoder.h"
typedef void * (*CreateCodecP)();
struct CCodecInfo
{
CreateCodecP CreateDecoder;
CreateCodecP CreateEncoder;
CMethodId Id;
const char *Name;
UInt32 NumStreams;
bool IsFilter;
};
void RegisterCodec(const CCodecInfo *codecInfo) throw();
#define REGISTER_CODEC_CREATE_2(name, cls, i) static void *name() { return (void *)(i *)(new cls); }
#define REGISTER_CODEC_CREATE(name, cls) REGISTER_CODEC_CREATE_2(name, cls, ICompressCoder)
#define REGISTER_CODEC_NAME(x) CRegisterCodec ## x
#define REGISTER_CODEC_VAR static const CCodecInfo g_CodecInfo =
#define REGISTER_CODEC(x) struct REGISTER_CODEC_NAME(x) { \
REGISTER_CODEC_NAME(x)() { RegisterCodec(&g_CodecInfo); }}; \
static REGISTER_CODEC_NAME(x) g_RegisterCodec;
#define REGISTER_CODECS_NAME(x) CRegisterCodecs ## x
#define REGISTER_CODECS_VAR static const CCodecInfo g_CodecsInfo[] =
#define REGISTER_CODECS(x) struct REGISTER_CODECS_NAME(x) { \
REGISTER_CODECS_NAME(x)() { for (unsigned i = 0; i < ARRAY_SIZE(g_CodecsInfo); i++) \
RegisterCodec(&g_CodecsInfo[i]); }}; \
static REGISTER_CODECS_NAME(x) g_RegisterCodecs;
#define REGISTER_CODEC_2(x, crDec, crEnc, id, name) \
REGISTER_CODEC_VAR \
{ crDec, crEnc, id, name, 1, false }; \
REGISTER_CODEC(x)
#ifdef EXTRACT_ONLY
#define REGISTER_CODEC_E(x, clsDec, clsEnc, id, name) \
REGISTER_CODEC_CREATE(CreateDec, clsDec) \
REGISTER_CODEC_2(x, CreateDec, NULL, id, name)
#else
#define REGISTER_CODEC_E(x, clsDec, clsEnc, id, name) \
REGISTER_CODEC_CREATE(CreateDec, clsDec) \
REGISTER_CODEC_CREATE(CreateEnc, clsEnc) \
REGISTER_CODEC_2(x, CreateDec, CreateEnc, id, name)
#endif
#define REGISTER_FILTER_CREATE(name, cls) REGISTER_CODEC_CREATE_2(name, cls, ICompressFilter)
#define REGISTER_FILTER_ITEM(crDec, crEnc, id, name) \
{ crDec, crEnc, id, name, 1, true }
#define REGISTER_FILTER(x, crDec, crEnc, id, name) \
REGISTER_CODEC_VAR \
REGISTER_FILTER_ITEM(crDec, crEnc, id, name); \
REGISTER_CODEC(x)
#ifdef EXTRACT_ONLY
#define REGISTER_FILTER_E(x, clsDec, clsEnc, id, name) \
REGISTER_FILTER_CREATE(CreateDec, clsDec) \
REGISTER_FILTER(x, CreateDec, NULL, id, name)
#else
#define REGISTER_FILTER_E(x, clsDec, clsEnc, id, name) \
REGISTER_FILTER_CREATE(CreateDec, clsDec) \
REGISTER_FILTER_CREATE(CreateEnc, clsEnc) \
REGISTER_FILTER(x, CreateDec, CreateEnc, id, name)
#endif
struct CHasherInfo
{
IHasher * (*CreateHasher)();
CMethodId Id;
const char *Name;
UInt32 DigestSize;
};
void RegisterHasher(const CHasherInfo *hasher) throw();
#define REGISTER_HASHER_NAME(x) CRegHasher_ ## x
#define REGISTER_HASHER(cls, id, name, size) \
STDMETHODIMP_(UInt32) cls::GetDigestSize() throw() { return size; } \
static IHasher *CreateHasherSpec() { return new cls(); } \
static const CHasherInfo g_HasherInfo = { CreateHasherSpec, id, name, size }; \
struct REGISTER_HASHER_NAME(cls) { REGISTER_HASHER_NAME(cls)() { RegisterHasher(&g_HasherInfo); }}; \
static REGISTER_HASHER_NAME(cls) g_RegisterHasher;
#endif