1 files changed, 111 insertions, 0 deletions
diff --git a/CPP/7zip/Archive/Zip/ZipIn.h b/CPP/7zip/Archive/Zip/ZipIn.h
new file mode 100755
index 00000000..80de2272
--- /dev/null
+++ b/CPP/7zip/Archive/Zip/ZipIn.h
@@ -0,0 +1,111 @@
+// Archive/ZipIn.h
+
+#ifndef __ZIP_IN_H
+#define __ZIP_IN_H
+
+#include "Common/MyCom.h"
+#include "../../IStream.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;
+  CByteBuffer Comment;
+  CInArchiveInfo(): Base(0), StartPosition(0) {}
+  void Clear() 
+  { 
+    Base = 0;
+    StartPosition = 0;
+    Comment.SetCapacity(0); 
+  }
+};
+
+class CProgressVirt
+{
+public:
+  STDMETHOD(SetCompleted)(const 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;
+  CInArchiveInfo m_ArchiveInfo;
+  AString m_NameBuffer;
+  
+  HRESULT Seek(UInt64 offset);
+
+  bool FindAndReadMarker(const UInt64 *searchHeaderSizeLimit);
+  bool ReadUInt32(UInt32 &signature);
+  AString ReadFileName(UInt32 nameSize);
+  
+  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();
+  
+  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);
+  HRESULT ReadCd(CObjectVector<CItemEx> &items, UInt64 &cdOffset, UInt64 &cdSize);
+  HRESULT ReadLocalsAndCd(CObjectVector<CItemEx> &items, CProgressVirt *progress, UInt64 &cdOffset);
+public:
+  HRESULT ReadHeaders(CObjectVector<CItemEx> &items, CProgressVirt *progress);
+  HRESULT ReadLocalItemAfterCdItem(CItemEx &item);
+  HRESULT ReadLocalItemAfterCdItemFull(CItemEx &item);
+  bool Open(IInStream *inStream, const UInt64 *searchHeaderSizeLimit);
+  void Close();
+  void GetArchiveInfo(CInArchiveInfo &archiveInfo) const;
+  bool SeekInArchive(UInt64 position);
+  ISequentialInStream *CreateLimitedStream(UInt64 position, UInt64 size);
+  IInStream* CreateStream();
+};
+  
+}}
+  
+#endif