?? field.cpp
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// $Id: field.cpp,v 1.47 2002/11/03 00:41:27 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/#include "field_impl.h"#include "id3/utils.h" // has <config.h> "id3/id3lib_streams.h" "id3/globals.h" "id3/id3lib_strings.h"#include "field_def.h"#include "frame_def.h"#include "readers.h"#include <assert.h>using namespace dami;// This is used for unimplemented frames so that their data is preserved when// parsing and renderingstatic ID3_FieldDef ID3FD_Unimplemented[] ={ { ID3FN_DATA, // FIELD NAME ID3FTY_BINARY, // FIELD TYPE 0, // FIXED LEN ID3V2_EARLIEST, // INITIAL SPEC ID3V2_LATEST, // ENDING SPEC ID3FF_NONE, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_NOFIELD }};const ID3_FieldDef* ID3_FieldDef::DEFAULT = ID3FD_Unimplemented;static ID3_FieldDef ID3FD_URL[] ={ { ID3FN_URL, // FIELD NAME ID3FTY_TEXTSTRING, // FIELD TYPE 0, // FIXED LEN ID3V2_EARLIEST, // INITIAL SPEC ID3V2_LATEST, // ENDING SPEC ID3FF_NONE, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_NOFIELD }};static ID3_FieldDef ID3FD_UserURL[] ={ { ID3FN_TEXTENC, // FIELD NAME ID3FTY_INTEGER, // FIELD TYPE 1, // FIXED LEN ID3V2_EARLIEST, // INITIAL SPEC ID3V2_LATEST, // ENDING SPEC ID3FF_NONE, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_DESCRIPTION, // FIELD NAME ID3FTY_TEXTSTRING, // FIELD TYPE 0, // FIXED LEN ID3V2_EARLIEST, // INITIAL SPEC ID3V2_LATEST, // ENDING SPEC ID3FF_CSTR | ID3FF_ENCODABLE, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_URL, // FIELD NAME ID3FTY_TEXTSTRING, // FIELD TYPE 0, // FIXED LEN ID3V2_EARLIEST, // INITIAL SPEC ID3V2_LATEST, // ENDING SPEC ID3FF_NONE, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_NOFIELD }};static ID3_FieldDef ID3FD_Text[] ={ { ID3FN_TEXTENC, // FIELD NAME ID3FTY_INTEGER, // FIELD TYPE 1, // FIXED LEN ID3V2_EARLIEST, // INITIAL SPEC ID3V2_LATEST, // ENDING SPEC ID3FF_NONE, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_TEXT, // FIELD NAME ID3FTY_TEXTSTRING, // FIELD TYPE 0, // FIXED LEN ID3V2_EARLIEST, // INITIAL SPEC ID3V2_LATEST, // ENDING SPEC ID3FF_ENCODABLE, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_NOFIELD }};static ID3_FieldDef ID3FD_UserText[] ={ { ID3FN_TEXTENC, // FIELD NAME ID3FTY_INTEGER, // FIELD TYPE 1, // FIXED LEN ID3V2_EARLIEST, // INITIAL SPEC ID3V2_LATEST, // ENDING SPEC ID3FF_NONE, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_DESCRIPTION, // FIELD NAME ID3FTY_TEXTSTRING, // FIELD TYPE 0, // FIXED LEN ID3V2_EARLIEST, // INITIAL SPEC ID3V2_LATEST, // ENDING SPEC ID3FF_CSTR | ID3FF_ENCODABLE, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_TEXT, // FIELD NAME ID3FTY_TEXTSTRING, // FIELD TYPE 0, // FIXED LEN ID3V2_EARLIEST, // INITIAL SPEC ID3V2_LATEST, // ENDING SPEC ID3FF_ENCODABLE, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_NOFIELD }};static ID3_FieldDef ID3FD_GeneralText[] ={ { ID3FN_TEXTENC, // FIELD NAME ID3FTY_INTEGER, // FIELD TYPE 1, // FIXED LEN ID3V2_EARLIEST, // INITIAL SPEC ID3V2_LATEST, // ENDING SPEC ID3FF_NONE, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_LANGUAGE, // FIELD NAME ID3FTY_TEXTSTRING, // FIELD TYPE 3, // FIXED LEN ID3V2_EARLIEST, // INITIAL SPEC ID3V2_LATEST, // ENDING SPEC ID3FF_NONE, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_DESCRIPTION, // FIELD NAME ID3FTY_TEXTSTRING, // FIELD TYPE 0, // FIXED LEN ID3V2_EARLIEST, // INITIAL SPEC ID3V2_LATEST, // ENDING SPEC ID3FF_CSTR | ID3FF_ENCODABLE, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_TEXT, // FIELD NAME ID3FTY_TEXTSTRING, // FIELD TYPE 0, // FIXED LEN ID3V2_EARLIEST, // INITIAL SPEC ID3V2_LATEST, // ENDING SPEC ID3FF_ENCODABLE, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_NOFIELD }};static ID3_FieldDef ID3FD_TermsOfUse[] ={ { ID3FN_TEXTENC, // FIELD NAME ID3FTY_INTEGER, // FIELD TYPE 1, // FIXED LEN ID3V2_3_0, // INITIAL SPEC ID3V2_LATEST, // ENDING SPEC ID3FF_NONE, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_LANGUAGE, // FIELD NAME ID3FTY_TEXTSTRING, // FIELD TYPE 3, // FIXED LEN ID3V2_3_0, // INITIAL SPEC ID3V2_LATEST, // ENDING SPEC ID3FF_NONE, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_TEXT, // FIELD NAME ID3FTY_TEXTSTRING, // FIELD TYPE 0, // FIXED LEN ID3V2_3_0, // INITIAL SPEC ID3V2_LATEST, // ENDING SPEC ID3FF_ENCODABLE, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_NOFIELD }};static ID3_FieldDef ID3FD_LinkedInfo[] ={ { ID3FN_ID, // FIELD NAME ID3FTY_TEXTSTRING, // FIELD TYPE 3, // FIXED LEN ID3V2_EARLIEST, // INITIAL SPEC ID3V2_2_1, // ENDING SPEC ID3FF_NONE, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_ID, // FIELD NAME ID3FTY_TEXTSTRING, // FIELD TYPE 4, // FIXED LEN ID3V2_3_0, // INITIAL SPEC ID3V2_LATEST, // ENDING SPEC ID3FF_NONE, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_URL, // FIELD NAME ID3FTY_TEXTSTRING, // FIELD TYPE 0, // FIXED LEN ID3V2_EARLIEST, // INITIAL SPEC ID3V2_LATEST, // ENDING SPEC ID3FF_CSTR, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_TEXT, // FIELD NAME ID3FTY_TEXTSTRING, // FIELD TYPE 0, // FIXED LEN ID3V2_EARLIEST, // INITIAL SPEC ID3V2_LATEST, // ENDING SPEC ID3FF_NONE, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_NOFIELD }};static ID3_FieldDef ID3FD_Picture[] ={ { ID3FN_TEXTENC, // FIELD NAME ID3FTY_INTEGER, // FIELD TYPE 1, // FIXED LEN ID3V2_EARLIEST, // INITIAL SPEC ID3V2_LATEST, // ENDING SPEC ID3FF_NONE, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_IMAGEFORMAT, // FIELD NAME ID3FTY_TEXTSTRING, // FIELD TYPE 3, // FIXED LEN ID3V2_EARLIEST, // INITIAL SPEC ID3V2_2_1, // ENDING SPEC ID3FF_NONE, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_MIMETYPE, // FIELD NAME ID3FTY_TEXTSTRING, // FIELD TYPE 0, // FIXED LEN ID3V2_3_0, // INITIAL SPEC ID3V2_LATEST, // ENDING SPEC ID3FF_CSTR, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_PICTURETYPE, // FIELD NAME ID3FTY_INTEGER, // FIELD TYPE 1, // FIXED LEN ID3V2_EARLIEST, // INITIAL SPEC ID3V2_LATEST, // ENDING SPEC ID3FF_NONE, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_DESCRIPTION, // FIELD NAME ID3FTY_TEXTSTRING, // FIELD TYPE 0, // FIXED LEN ID3V2_EARLIEST, // INITIAL SPEC ID3V2_LATEST, // ENDING SPEC ID3FF_CSTR | ID3FF_ENCODABLE, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_DATA, // FIELD NAME ID3FTY_BINARY, // FIELD TYPE 0, // FIXED LEN ID3V2_EARLIEST, // INITIAL SPEC ID3V2_LATEST, // ENDING SPEC ID3FF_NONE, // FLAGS ID3FN_NOFIELD // LINKED FIELD }, { ID3FN_NOFIELD }?? 快捷鍵說明
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