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// -*- C++ -*-
// $Id: field.h,v 1.47 2002/07/02 22:10:26 t1mpy Exp $
// id3lib: a C++ library for creating and manipulating id3v1/v2 tags
// Copyright 1999, 2000 Scott Thomas Haug
// 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_FIELD_H_
#define _ID3LIB_FIELD_H_
#include "id3/globals.h" //has <stdlib.h> "id3/sized_types.h"
#include "id3/id3lib_strings.h"
class ID3_Reader;
class ID3_Writer;
class ID3_CPP_EXPORT ID3_Field
{
public:
virtual void Clear() = 0;
virtual size_t Size() const = 0;
virtual size_t BinSize() const = 0;
virtual size_t GetNumTextItems() const = 0;
// integer field functions
virtual ID3_Field& operator= (uint32 val) = 0;
virtual void Set(uint32) = 0;
virtual uint32 Get() const = 0;
// general string field functions
virtual dami::String GetText( size_t index = 0, ID3_TextEnc enc = ID3TE_ISO8859_1 ) const = 0;
virtual size_t SetText( dami::String data, size_t index = 0, ID3_TextEnc enc = ID3TE_ISO8859_1 ) = 0;
// ASCII string field functions
virtual ID3_Field& operator= (const char* s) = 0;
virtual size_t Set(const char*) = 0; // deprecated
virtual size_t Get(char*, size_t) const = 0; // deprecated
virtual size_t Get(char*, size_t, size_t) const = 0; // deprecated
virtual const char* GetRawText() const = 0; // deprecated
virtual const char* GetRawTextItem(size_t) const = 0; // deprecated
virtual size_t Add(const char*) = 0;
// Unicode string field functions
virtual ID3_Field& operator= (const unicode_t* s) = 0;
virtual size_t Set(const unicode_t*) = 0;
virtual size_t Get(unicode_t *buffer, size_t) const = 0;
virtual size_t Get(unicode_t *buffer, size_t, size_t) const = 0;
virtual const unicode_t* GetRawUnicodeText() const = 0;
virtual const unicode_t* GetRawUnicodeTextItem(size_t) const = 0;
virtual size_t Add(const unicode_t*) = 0;
// binary field functions
virtual size_t Set(const uchar*, size_t) = 0;
virtual size_t Get(uchar*, size_t) const = 0;
virtual const uchar* GetRawBinary() const = 0;
virtual void FromFile(const char*) = 0;
virtual void ToFile(const char *sInfo) const = 0;
virtual size_t GetBinaryStartPosition() = 0;
// miscelaneous functions
virtual ID3_Field& operator=( const ID3_Field & ) = 0;
virtual bool InScope(ID3_V2Spec spec) const = 0;
virtual ID3_FieldID GetID() const = 0;
virtual ID3_FieldType GetType() const = 0;
virtual bool SetEncoding(ID3_TextEnc enc) = 0;
virtual ID3_TextEnc GetEncoding() const = 0;
virtual bool IsEncodable() const = 0;
virtual void Render(ID3_Writer&) const = 0;
virtual bool Parse(ID3_Reader&) = 0;
virtual bool HasChanged() const = 0;
protected:
virtual ~ID3_Field() { };
// To prevent public instantiation, the constructor is made protected
ID3_Field() { };
};
class ID3_CPP_EXPORT ID3_FrameInfo
{
public:
ID3_FrameInfo() {};
~ID3_FrameInfo() {};
char *ShortName(ID3_FrameID frameid);
char *LongName(ID3_FrameID frameid);
const char *Description(ID3_FrameID frameid);
int MaxFrameID();
int NumFields(ID3_FrameID frameid);
ID3_FieldType FieldType(ID3_FrameID frameid, int fieldnum);
size_t FieldSize(ID3_FrameID frameid, int fieldnum);
flags_t FieldFlags(ID3_FrameID frameid, int fieldnum);
};
#endif /* _ID3LIB_FIELD_H_ */
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