| // -*- 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_ */ |