Mercurial > vba-linux

     1 // Archive/GZipItem.h

     2 

     3 #ifndef __ARCHIVE_GZIP_ITEM_H

     4 #define __ARCHIVE_GZIP_ITEM_H

     5 

     6 #include "Common/Types.h"

     7 #include "Common/MyString.h"

     8 #include "Common/Buffer.h"

     9 

    10 namespace NArchive {

    11 namespace NGZip {

    12 

    13 class CItem

    14 {

    15 private:

    16   bool TestFlag(Byte flag) const { return ((Flags & flag) != 0); }

    17 public:

    18   Byte CompressionMethod;

    19   Byte Flags;

    20   UInt32 Time;

    21   Byte ExtraFlags;

    22   Byte HostOS;

    23   UInt32 FileCRC;

    24   UInt32 UnPackSize32;

    25 

    26   AString Name;

    27   AString Comment;

    28   CByteBuffer Extra;

    29 

    30   bool IsText() const

    31     {  return TestFlag(NFileHeader::NFlags::kDataIsText); }

    32   bool HeaderCRCIsPresent() const

    33     {  return TestFlag(NFileHeader::NFlags::kHeaderCRCIsPresent); }

    34   bool ExtraFieldIsPresent() const

    35     {  return TestFlag(NFileHeader::NFlags::kExtraIsPresent); }

    36   bool NameIsPresent() const

    37     {  return TestFlag(NFileHeader::NFlags::kNameIsPresent); }

    38   bool CommentIsPresent() const

    39     {  return TestFlag(NFileHeader::NFlags::kComentIsPresent); }

    40 

    41   void SetNameIsPresentFlag(bool nameIsPresent)

    42   {

    43     if (nameIsPresent)

    44       Flags |= NFileHeader::NFlags::kNameIsPresent;

    45     else

    46       Flags &= (~NFileHeader::NFlags::kNameIsPresent);

    47   }

    48 

    49   void Clear()

    50   {

    51     Name.Empty();

    52     Comment.Empty();;

    53     Extra.SetCapacity(0);

    54   }

    55 };

    56 

    57 }}

    58 

    59 #endif
author	Robert McIntyre <rlm@mit.edu>
date	Sat, 03 Mar 2012 10:31:27 -0600
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