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// -*- C++ -*-
// $Id: header_tag.h,v 1.2 2002/07/31 13:20:49 t1mpy Exp $
// id3lib: a C++ library for creating and manipulating id3v1/v2 tags
// Copyright 1999, 2000 Scott Thomas Haug
// Copyright 2002 Thijmen Klok (thijmen@id3lib.org)
// This library is free software; you can redistribute it and/or modify it
// under the terms of the GNU Library General Public License as published by
// the Free Software Foundation; either version 2 of the License, or (at your
// option) any later version.
//
// This library is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
// License for more details.
//
// You should have received a copy of the GNU Library General Public License
// along with this library; if not, write to the Free Software Foundation,
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// The id3lib authors encourage improvements and optimisations to be sent to
// the id3lib coordinator. Please see the README file for details on where to
// send such submissions. See the AUTHORS file for a list of people who have
// contributed to id3lib. See the ChangeLog file for a list of changes to
// id3lib. These files are distributed with id3lib at
// http://download.sourceforge.net/id3lib/
#ifndef _ID3LIB_HEADER_TAG_H_
#define _ID3LIB_HEADER_TAG_H_
#include "header.h"
class ID3_TagHeader : public ID3_Header
{
public:
enum
{
HEADER_FLAG_UNSYNC = 1 << 7,
HEADER_FLAG_EXTENDED = 1 << 6,
HEADER_FLAG_EXPERIMENTAL = 1 << 5,
HEADER_FLAG_FOOTER = 1 << 4
};
enum
{
EXT_HEADER_FLAG_BIT1 = 1 << 7,
EXT_HEADER_FLAG_BIT2 = 1 << 6,
EXT_HEADER_FLAG_BIT3 = 1 << 5,
EXT_HEADER_FLAG_BIT4 = 1 << 4
};
ID3_TagHeader() : ID3_Header() { ; }
virtual ~ID3_TagHeader() { ; }
ID3_TagHeader(const ID3_TagHeader& rhs) : ID3_Header() { *this = rhs; }
bool SetSpec(ID3_V2Spec);
size_t Size() const;
void Render(ID3_Writer&) const;
bool Parse(ID3_Reader&);
void ParseExtended(ID3_Reader&);
ID3_TagHeader& operator=(const ID3_TagHeader&hdr)
{ this->ID3_Header::operator=(hdr); return *this; }
bool SetUnsync(bool b)
{
bool changed = _flags.set(HEADER_FLAG_UNSYNC, b);
_changed = _changed || changed;
return changed;
}
bool GetUnsync() const { return _flags.test(HEADER_FLAG_UNSYNC); }
bool SetExtended(bool b)
{
bool changed = _flags.set(HEADER_FLAG_EXTENDED, b);
_changed = _changed || changed;
return changed;
}
bool GetExtended() const { return _flags.test(HEADER_FLAG_EXTENDED); }
bool SetExperimental(bool b)
{
bool changed = _flags.set(HEADER_FLAG_EXPERIMENTAL, b);
_changed = _changed || changed;
return changed;
}
bool GetExperimental() const { return _flags.test(HEADER_FLAG_EXPERIMENTAL); }
bool SetFooter(bool b)
{
bool changed = _flags.set(HEADER_FLAG_FOOTER, b);
_changed = _changed || changed;
return changed;
}
bool GetFooter() const { return _flags.test(HEADER_FLAG_FOOTER); }
// id3v2 tag header signature: $49 44 33 MM mm GG ss ss ss ss
// MM = major version (will never be 0xFF)
// mm = minor version (will never be 0xFF)
// ff = flags byte
// ss = size bytes (less than $80)
static const char* const ID;
enum
{
ID_SIZE = 3,
MAJOR_OFFSET = 3,
MINOR_OFFSET = 4,
FLAGS_OFFSET = 5,
SIZE_OFFSET = 6,
SIZE = 10 // does not include extented headers
};
};
#endif /* _ID3LIB_HEADER_TAG_H_ */
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