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76 lines
1.4 KiB
C++
Executable File
76 lines
1.4 KiB
C++
Executable File
// Archive/ArjIn.h
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#ifndef __ARCHIVE_ARJIN_H
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#define __ARCHIVE_ARJIN_H
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#include "Common/MyCom.h"
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#include "../../IStream.h"
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#include "ArjItem.h"
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namespace NArchive {
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namespace NArj {
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class CInArchiveException
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{
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public:
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enum CCauseType
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{
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kUnexpectedEndOfArchive = 0,
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kCRCError,
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kIncorrectArchive,
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kReadStreamError,
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kSeekStreamError
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}
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Cause;
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CInArchiveException(CCauseType cause): Cause(cause) {};
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};
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class CProgressVirt
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{
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public:
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STDMETHOD(SetCompleted)(const UInt64 *numFiles) PURE;
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};
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class CInArchive
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{
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CMyComPtr<IInStream> _stream;
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UInt64 _streamStartPosition;
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UInt64 _position;
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UInt16 _blockSize;
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Byte _block[kMaxBlockSize];
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UInt32 _blockPos;
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bool FindAndReadMarker(const UInt64 *searchHeaderSizeLimit);
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bool ReadBlock();
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bool ReadBlock2();
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Byte ReadByte();
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UInt16 ReadUInt16();
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UInt32 ReadUInt32();
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HRESULT ReadBytes(void *data, UInt32 size, UInt32 *processedSize);
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bool ReadBytesAndTestSize(void *data, UInt32 size);
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void SafeReadBytes(void *data, UInt32 size);
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Byte SafeReadByte();
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UInt16 SafeReadUInt16();
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UInt32 SafeReadUInt32();
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void IncreasePositionValue(UInt64 addValue);
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void ThrowIncorrectArchiveException();
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public:
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HRESULT GetNextItem(bool &filled, CItemEx &item);
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bool Open(IInStream *inStream, const UInt64 *searchHeaderSizeLimit);
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void Close();
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void IncreaseRealPosition(UInt64 addValue);
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};
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}}
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#endif
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