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// 7zOut.h
#ifndef __7Z_OUT_H
#define __7Z_OUT_H
#include "7zCompressionMode.h"
#include "7zEncode.h"
#include "7zHeader.h"
#include "7zItem.h"
#include "../../Common/OutBuffer.h"
#include "../../Common/StreamUtils.h"
namespace NArchive {
namespace N7z {
class CWriteBufferLoc
{
Byte *_data;
size_t _size;
size_t _pos;
public:
CWriteBufferLoc(): _size(0), _pos(0) {}
void Init(Byte *data, size_t size)
{
_data = data;
_size = size;
_pos = 0;
}
void WriteBytes(const void *data, size_t size)
{
if (size > _size - _pos)
throw 1;
memcpy(_data + _pos, data, size);
_pos += size;
}
void WriteByte(Byte b)
{
if (_size == _pos)
throw 1;
_data[_pos++] = b;
}
size_t GetPos() const { return _pos; }
};
struct CHeaderOptions
{
bool CompressMainHeader;
/*
bool WriteCTime;
bool WriteATime;
bool WriteMTime;
*/
CHeaderOptions():
CompressMainHeader(true)
/*
, WriteCTime(false)
, WriteATime(false)
, WriteMTime(true)
*/
{}
};
struct CFileItem2
{
UInt64 CTime;
UInt64 ATime;
UInt64 MTime;
UInt64 StartPos;
bool CTimeDefined;
bool ATimeDefined;
bool MTimeDefined;
bool StartPosDefined;
bool IsAnti;
// bool IsAux;
void Init()
{
CTimeDefined = false;
ATimeDefined = false;
MTimeDefined = false;
StartPosDefined = false;
IsAnti = false;
// IsAux = false;
}
};
struct COutFolders
{
CUInt32DefVector FolderUnpackCRCs; // Now we use it for headers only.
CRecordVector<CNum> NumUnpackStreamsVector;
CRecordVector<UInt64> CoderUnpackSizes; // including unpack sizes of bind coders
void OutFoldersClear()
{
FolderUnpackCRCs.Clear();
NumUnpackStreamsVector.Clear();
CoderUnpackSizes.Clear();
}
void OutFoldersReserveDown()
{
FolderUnpackCRCs.ReserveDown();
NumUnpackStreamsVector.ReserveDown();
CoderUnpackSizes.ReserveDown();
}
};
struct CArchiveDatabaseOut: public COutFolders
{
CRecordVector<UInt64> PackSizes;
CUInt32DefVector PackCRCs;
CObjectVector<CFolder> Folders;
CRecordVector<CFileItem> Files;
UStringVector Names;
CUInt64DefVector CTime;
CUInt64DefVector ATime;
CUInt64DefVector MTime;
CUInt64DefVector StartPos;
CRecordVector<bool> IsAnti;
/*
CRecordVector<bool> IsAux;
CByteBuffer SecureBuf;
CRecordVector<UInt32> SecureSizes;
CRecordVector<UInt32> SecureIDs;
void ClearSecure()
{
SecureBuf.Free();
SecureSizes.Clear();
SecureIDs.Clear();
}
*/
void Clear()
{
OutFoldersClear();
PackSizes.Clear();
PackCRCs.Clear();
Folders.Clear();
Files.Clear();
Names.Clear();
CTime.Clear();
ATime.Clear();
MTime.Clear();
StartPos.Clear();
IsAnti.Clear();
/*
IsAux.Clear();
ClearSecure();
*/
}
void ReserveDown()
{
OutFoldersReserveDown();
PackSizes.ReserveDown();
PackCRCs.ReserveDown();
Folders.ReserveDown();
Files.ReserveDown();
Names.ReserveDown();
CTime.ReserveDown();
ATime.ReserveDown();
MTime.ReserveDown();
StartPos.ReserveDown();
IsAnti.ReserveDown();
/*
IsAux.ReserveDown();
*/
}
bool IsEmpty() const
{
return (
PackSizes.IsEmpty() &&
NumUnpackStreamsVector.IsEmpty() &&
Folders.IsEmpty() &&
Files.IsEmpty());
}
bool CheckNumFiles() const
{
unsigned size = Files.Size();
return (
CTime.CheckSize(size) &&
ATime.CheckSize(size) &&
MTime.CheckSize(size) &&
StartPos.CheckSize(size) &&
(size == IsAnti.Size() || IsAnti.Size() == 0));
}
bool IsItemAnti(unsigned index) const { return (index < IsAnti.Size() && IsAnti[index]); }
// bool IsItemAux(unsigned index) const { return (index < IsAux.Size() && IsAux[index]); }
void SetItem_Anti(unsigned index, bool isAnti)
{
while (index >= IsAnti.Size())
IsAnti.Add(false);
IsAnti[index] = isAnti;
}
/*
void SetItem_Aux(unsigned index, bool isAux)
{
while (index >= IsAux.Size())
IsAux.Add(false);
IsAux[index] = isAux;
}
*/
void AddFile(const CFileItem &file, const CFileItem2 &file2, const UString &name);
};
class COutArchive
{
UInt64 _prefixHeaderPos;
HRESULT WriteDirect(const void *data, UInt32 size) { return WriteStream(SeqStream, data, size); }
UInt64 GetPos() const;
void WriteBytes(const void *data, size_t size);
void WriteBytes(const CByteBuffer &data) { WriteBytes(data, data.Size()); }
void WriteByte(Byte b);
void WriteUInt32(UInt32 value);
void WriteUInt64(UInt64 value);
void WriteNumber(UInt64 value);
void WriteID(UInt64 value) { WriteNumber(value); }
void WriteFolder(const CFolder &folder);
HRESULT WriteFileHeader(const CFileItem &itemInfo);
void WriteBoolVector(const CBoolVector &boolVector);
void WritePropBoolVector(Byte id, const CBoolVector &boolVector);
void WriteHashDigests(const CUInt32DefVector &digests);
void WritePackInfo(
UInt64 dataOffset,
const CRecordVector<UInt64> &packSizes,
const CUInt32DefVector &packCRCs);
void WriteUnpackInfo(
const CObjectVector<CFolder> &folders,
const COutFolders &outFolders);
void WriteSubStreamsInfo(
const CObjectVector<CFolder> &folders,
const COutFolders &outFolders,
const CRecordVector<UInt64> &unpackSizes,
const CUInt32DefVector &digests);
void SkipAlign(unsigned pos, unsigned alignSize);
void WriteAlignedBoolHeader(const CBoolVector &v, unsigned numDefined, Byte type, unsigned itemSize);
void WriteUInt64DefVector(const CUInt64DefVector &v, Byte type);
HRESULT EncodeStream(
DECL_EXTERNAL_CODECS_LOC_VARS
CEncoder &encoder, const CByteBuffer &data,
CRecordVector<UInt64> &packSizes, CObjectVector<CFolder> &folders, COutFolders &outFolders);
void WriteHeader(
const CArchiveDatabaseOut &db,
// const CHeaderOptions &headerOptions,
UInt64 &headerOffset);
bool _countMode;
bool _writeToStream;
size_t _countSize;
UInt32 _crc;
COutBuffer _outByte;
CWriteBufferLoc _outByte2;
#ifdef _7Z_VOL
bool _endMarker;
#endif
bool _useAlign;
HRESULT WriteSignature();
#ifdef _7Z_VOL
HRESULT WriteFinishSignature();
#endif
HRESULT WriteStartHeader(const CStartHeader &h);
#ifdef _7Z_VOL
HRESULT WriteFinishHeader(const CFinishHeader &h);
#endif
CMyComPtr<IOutStream> Stream;
public:
COutArchive() { _outByte.Create(1 << 16); }
CMyComPtr<ISequentialOutStream> SeqStream;
HRESULT Create(ISequentialOutStream *stream, bool endMarker);
void Close();
HRESULT SkipPrefixArchiveHeader();
HRESULT WriteDatabase(
DECL_EXTERNAL_CODECS_LOC_VARS
const CArchiveDatabaseOut &db,
const CCompressionMethodMode *options,
const CHeaderOptions &headerOptions);
#ifdef _7Z_VOL
static UInt32 GetVolHeadersSize(UInt64 dataSize, int nameLength = 0, bool props = false);
static UInt64 GetVolPureSize(UInt64 volSize, int nameLength = 0, bool props = false);
#endif
};
}}
#endif
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