3.13

7zip/Archive/GZip/GZipItem.h

@@ -0,0 +1,65 @@
+// Archive/GZipItem.h
+
+#pragma once
+
+#ifndef __ARCHIVE_GZIP_ITEM_H
+#define __ARCHIVE_GZIP_ITEM_H
+
+#include "Common/Types.h"
+#include "Common/String.h"
+
+namespace NArchive {
+namespace NGZip {
+
+class CItem
+{
+private:
+  bool TestFlag(BYTE flag) const { return ((Flags & flag) != 0); }
+public:
+  BYTE CompressionMethod;
+  BYTE Flags;
+  UINT32 Time;
+  BYTE ExtraFlags;
+  BYTE HostOS;
+  UINT32 FileCRC;
+  UINT32 UnPackSize32;
+  UINT64 PackSize;
+
+  AString Name;
+  UINT16 ExtraFieldSize;
+  UINT16 CommentSize;
+
+  bool IsText() const
+    {  return TestFlag(NFileHeader::NFlags::kDataIsText); }
+  bool HeaderCRCIsPresent() const
+    {  return TestFlag(NFileHeader::NFlags::kHeaderCRCIsPresent); }
+  bool ExtraFieldIsPresent() const
+    {  return TestFlag(NFileHeader::NFlags::kExtraIsPresent); }
+  bool NameIsPresent() const
+    {  return TestFlag(NFileHeader::NFlags::kNameIsPresent); }
+  bool CommentIsPresent() const
+    {  return TestFlag(NFileHeader::NFlags::kComentIsPresent); }
+
+  void SetNameIsPresentFlag(bool nameIsPresent)
+  {    
+    if (nameIsPresent)
+      Flags |= NFileHeader::NFlags::kNameIsPresent;
+    else
+      Flags &= (~NFileHeader::NFlags::kNameIsPresent);
+  }
+};
+
+class CItemEx: public CItem
+{
+public:
+  UINT64 DataPosition;
+  UINT64 CommentPosition;
+  UINT64 ExtraPosition;
+};
+
+
+}}
+
+#endif
+
+