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-rw-r--r--src/libs/7zip/win/CPP/7zip/Archive/Zip/ZipIn.h125
1 files changed, 125 insertions, 0 deletions
diff --git a/src/libs/7zip/win/CPP/7zip/Archive/Zip/ZipIn.h b/src/libs/7zip/win/CPP/7zip/Archive/Zip/ZipIn.h
new file mode 100644
index 000000000..0565339a0
--- /dev/null
+++ b/src/libs/7zip/win/CPP/7zip/Archive/Zip/ZipIn.h
@@ -0,0 +1,125 @@
+// Archive/ZipIn.h
+
+#ifndef __ZIP_IN_H
+#define __ZIP_IN_H
+
+#include "Common/MyCom.h"
+
+#include "../../IStream.h"
+
+#include "../../Common/InBuffer.h"
+
+#include "ZipHeader.h"
+#include "ZipItemEx.h"
+
+namespace NArchive {
+namespace NZip {
+
+class CInArchiveException
+{
+public:
+ enum ECauseType
+ {
+ kUnexpectedEndOfArchive = 0,
+ kArchiceHeaderCRCError,
+ kFileHeaderCRCError,
+ kIncorrectArchive,
+ kDataDescroptorsAreNotSupported,
+ kMultiVolumeArchiveAreNotSupported,
+ kReadStreamError,
+ kSeekStreamError
+ }
+ Cause;
+ CInArchiveException(ECauseType cause): Cause(cause) {}
+};
+
+class CInArchiveInfo
+{
+public:
+ UInt64 Base;
+ UInt64 StartPosition;
+ UInt64 FinishPosition;
+ CByteBuffer Comment;
+
+ CInArchiveInfo(): Base(0), StartPosition(0) {}
+ UInt64 GetPhySize() const { return FinishPosition - StartPosition; }
+ void Clear()
+ {
+ Base = 0;
+ StartPosition = 0;
+ Comment.SetCapacity(0);
+ }
+};
+
+class CProgressVirt
+{
+public:
+ STDMETHOD(SetTotal)(UInt64 numFiles) PURE;
+ STDMETHOD(SetCompleted)(UInt64 numFiles) PURE;
+};
+
+struct CCdInfo
+{
+ // UInt64 NumEntries;
+ UInt64 Size;
+ UInt64 Offset;
+};
+
+class CInArchive
+{
+ CMyComPtr<IInStream> m_Stream;
+ UInt32 m_Signature;
+ UInt64 m_StreamStartPosition;
+ UInt64 m_Position;
+
+ bool _inBufMode;
+ CInBuffer _inBuffer;
+
+ HRESULT Seek(UInt64 offset);
+
+ HRESULT FindAndReadMarker(IInStream *stream, const UInt64 *searchHeaderSizeLimit);
+ void ReadFileName(UInt32 nameSize, AString &dest);
+
+ HRESULT ReadBytes(void *data, UInt32 size, UInt32 *processedSize);
+ bool ReadBytesAndTestSize(void *data, UInt32 size);
+ void SafeReadBytes(void *data, UInt32 size);
+ void ReadBuffer(CByteBuffer &buffer, UInt32 size);
+ Byte ReadByte();
+ UInt16 ReadUInt16();
+ UInt32 ReadUInt32();
+ UInt64 ReadUInt64();
+ bool ReadUInt32(UInt32 &signature);
+
+ void Skip(UInt64 num);
+ void IncreaseRealPosition(UInt64 addValue);
+
+ void ReadExtra(UInt32 extraSize, CExtraBlock &extraBlock,
+ UInt64 &unpackSize, UInt64 &packSize, UInt64 &localHeaderOffset, UInt32 &diskStartNumber);
+ HRESULT ReadLocalItem(CItemEx &item);
+ HRESULT ReadLocalItemDescriptor(CItemEx &item);
+ HRESULT ReadCdItem(CItemEx &item);
+ HRESULT TryEcd64(UInt64 offset, CCdInfo &cdInfo);
+ HRESULT FindCd(CCdInfo &cdInfo);
+ HRESULT TryReadCd(CObjectVector<CItemEx> &items, UInt64 cdOffset, UInt64 cdSize, CProgressVirt *progress);
+ HRESULT ReadCd(CObjectVector<CItemEx> &items, UInt64 &cdOffset, UInt64 &cdSize, CProgressVirt *progress);
+ HRESULT ReadLocalsAndCd(CObjectVector<CItemEx> &items, CProgressVirt *progress, UInt64 &cdOffset, int &numCdItems);
+public:
+ CInArchiveInfo ArcInfo;
+ bool IsZip64;
+ bool IsOkHeaders;
+
+ HRESULT ReadHeaders(CObjectVector<CItemEx> &items, CProgressVirt *progress);
+ HRESULT ReadLocalItemAfterCdItem(CItemEx &item);
+ HRESULT ReadLocalItemAfterCdItemFull(CItemEx &item);
+ HRESULT Open(IInStream *stream, const UInt64 *searchHeaderSizeLimit);
+ void Close();
+ bool SeekInArchive(UInt64 position);
+ ISequentialInStream *CreateLimitedStream(UInt64 position, UInt64 size);
+ IInStream* CreateStream();
+
+ bool IsOpen() const { return m_Stream != NULL; }
+};
+
+}}
+
+#endif