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// -*- C++ -*-
// $Id: tag_impl.h,v 1.10 2002/11/02 17:35:56 t1mpy Exp $
// id3lib: a software 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_TAG_IMPL_H_
#define _ID3LIB_TAG_IMPL_H_
#include <list>
#include <stdio.h>
#include "tag.h" // has frame.h, field.h
#include "header_tag.h"
#include "mp3_header.h" //has io_decorators.h
class ID3_Reader;
class ID3_Writer;
namespace dami
{
namespace id3
{
namespace v1
{
bool parse(ID3_TagImpl&, ID3_Reader&);
void render(ID3_Writer&, const ID3_TagImpl&);
};
namespace v2
{
bool parse(ID3_TagImpl& tag, ID3_Reader& rdr);
void render(ID3_Writer& writer, const ID3_TagImpl& tag);
};
};
namespace lyr3
{
namespace v1
{
bool parse(ID3_TagImpl&, ID3_Reader&);
};
namespace v2
{
bool parse(ID3_TagImpl&, ID3_Reader&);
};
};
namespace mm
{
bool parse(ID3_TagImpl&, ID3_Reader&);
};
};
class ID3_TagImpl
{
typedef std::list<ID3_Frame *> Frames;
public:
typedef Frames::iterator iterator;
typedef Frames::const_iterator const_iterator;
public:
ID3_TagImpl(const char *name = NULL);
ID3_TagImpl(const ID3_Tag &tag);
virtual ~ID3_TagImpl();
void Clear();
bool HasChanged() const;
void SetChanged(bool b) { _changed = b; }
size_t Size() const;
bool SetUnsync(bool);
bool SetExtended(bool);
bool SetExperimental(bool);
bool SetPadding(bool);
bool GetUnsync() const;
bool GetExtended() const;
bool GetExperimental() const;
bool GetFooter() const;
size_t GetExtendedBytes() const;
void AddFrame(const ID3_Frame&);
void AddFrame(const ID3_Frame*);
bool AttachFrame(ID3_Frame*);
ID3_Frame* RemoveFrame(const ID3_Frame *);
size_t Link(const char *fileInfo, flags_t = (flags_t) ID3TT_ALL);
size_t Link(ID3_Reader &reader, flags_t = (flags_t) ID3TT_ALL);
flags_t Update(flags_t = (flags_t) ID3TT_ALL);
flags_t Strip(flags_t = (flags_t) ID3TT_ALL);
size_t GetPrependedBytes() const { return _prepended_bytes; }
size_t GetAppendedBytes() const { return _appended_bytes; }
size_t GetFileSize() const { return _file_size; }
dami::String GetFileName() const { return _file_name; }
ID3_Frame* Find(ID3_FrameID id) const;
ID3_Frame* Find(ID3_FrameID id, ID3_FieldID fld, uint32 data) const;
ID3_Frame* Find(ID3_FrameID id, ID3_FieldID fld, dami::String) const;
ID3_Frame* Find(ID3_FrameID id, ID3_FieldID fld, dami::WString) const;
size_t NumFrames() const { return _frames.size(); }
ID3_TagImpl& operator=( const ID3_Tag & );
bool HasTagType(ID3_TagType tt) const { return _file_tags.test(tt); }
ID3_V2Spec GetSpec() const;
bool SetSpec(ID3_V2Spec);
static size_t IsV2Tag(ID3_Reader&);
const Mp3_Headerinfo* GetMp3HeaderInfo() const { if (_mp3_info) return _mp3_info->GetMp3HeaderInfo(); else return NULL; }
iterator begin() { return _frames.begin(); }
iterator end() { return _frames.end(); }
const_iterator begin() const { return _frames.begin(); }
const_iterator end() const { return _frames.end(); }
/* Deprecated! */
void AddNewFrame(ID3_Frame* f) { this->AttachFrame(f); }
size_t Link(const char *fileInfo, bool parseID3v1, bool parseLyrics3);
void SetCompression(bool) { ; }
void AddFrames(const ID3_Frame *, size_t);
bool HasLyrics() const { return this->HasTagType(ID3TT_LYRICS); }
bool HasV2Tag() const { return this->HasTagType(ID3TT_ID3V2); }
bool HasV1Tag() const { return this->HasTagType(ID3TT_ID3V1); }
size_t PaddingSize(size_t) const;
protected:
const_iterator Find(const ID3_Frame *) const;
iterator Find(const ID3_Frame *);
void RenderExtHeader(uchar *);
void ParseFile();
void ParseReader(ID3_Reader &reader);
private:
ID3_TagHeader _hdr; // information relevant to the tag header
bool _is_padded; // add padding to tags?
Frames _frames;
mutable const_iterator _cursor; // which frame in list are we at
mutable bool _changed; // has tag changed since last parse or render?
// file-related member variables
dami::String _file_name; // name of the file we are linked to
size_t _file_size; // the size of the file (without any tag(s))
size_t _prepended_bytes; // number of tag bytes at start of file
size_t _appended_bytes; // number of tag bytes at end of file
bool _is_file_writable;// is the associated file (via Link) writable?
ID3_Flags _tags_to_parse; // which tag types should attempt to be parsed
ID3_Flags _file_tags; // which tag types does the file contain
Mp3Info *_mp3_info; // class used to retrieve _mp3_header
};
size_t ID3_GetDataSize(const ID3_TagImpl&);
#endif /* _ID3LIB_TAG_IMPL_H_ */
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