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// RegisterArc.h
#ifndef __REGISTER_ARC_H
#define __REGISTER_ARC_H
#include "../Archive/IArchive.h"
#include <mutex>
struct CArcInfo
{
const char *Name;
const char *Ext;
const char *AddExt;
Byte ClassId;
Byte SignatureSize;
Byte Signature[20];
UInt16 SignatureOffset;
UInt16 Flags;
Func_CreateInArchive CreateInArchive;
Func_CreateOutArchive CreateOutArchive;
Func_IsArc IsArc;
bool IsMultiSignature() const { return (Flags & NArcInfoFlags::kMultiSignature) != 0; }
std::once_flag once;
};
void RegisterArc(const CArcInfo *arcInfo) throw();
#define REGISTER_ARC_NAME(x) CRegister ## x
#define REGISTER_ARC(x) struct REGISTER_ARC_NAME(x) \
{ \
REGISTER_ARC_NAME(x)() \
{ \
std::call_once(g_ArcInfo.once, [] { RegisterArc(&g_ArcInfo); }); \
} \
}; \
static REGISTER_ARC_NAME(x) g_RegisterArc; \
void registerArc##x() { static REGISTER_ARC_NAME(x) g_RegisterArc; }
#define REGISTER_ARC_DEC_SIG(x) struct REGISTER_ARC_NAME(x) \
{ \
REGISTER_ARC_NAME(x)() { \
std::call_once(g_ArcInfo.once, [] { \
g_ArcInfo.Signature[0]--; \
RegisterArc(&g_ArcInfo); \
}); \
} \
}; \
static REGISTER_ARC_NAME(x) g_RegisterArc; \
void registerArcDec##x() { static REGISTER_ARC_NAME(x) g_RegisterArc; }
#define IMP_CreateArcIn_2(c) \
static IInArchive *CreateArc() { return new c; }
#define IMP_CreateArcIn IMP_CreateArcIn_2(CHandler)
#ifdef EXTRACT_ONLY
#define IMP_CreateArcOut
#define REF_CreateArc_Pair CreateArc, NULL
#else
#define IMP_CreateArcOut static IOutArchive *CreateArcOut() { return new CHandler; }
#define REF_CreateArc_Pair CreateArc, CreateArcOut
#endif
#endif
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