4.44 beta

CPP/7zip/Archive/GZip/GZipItem.h

@@ -0,0 +1,59 @@
+// Archive/GZipItem.h
+
+#ifndef __ARCHIVE_GZIP_ITEM_H
+#define __ARCHIVE_GZIP_ITEM_H
+
+#include "Common/Types.h"
+#include "Common/String.h"
+#include "Common/Buffer.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;
+
+  AString Name;
+  AString Comment;
+  CByteBuffer Extra;
+
+  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);
+  }
+
+  void Clear()
+  {
+    Name.Empty();
+    Comment.Empty();;
+    Extra.SetCapacity(0);
+  }
+};
+
+}}
+
+#endif