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// -*- C++ -*-
// $Id: io_helpers.h,v 1.7 2002/06/29 17:43:19 t1mpy Exp $
// id3lib: a software 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_IO_HELPERS_H_
#define _ID3LIB_IO_HELPERS_H_
#include "id3/id3lib_strings.h"
#include "reader.h"
#include "writer.h"
namespace dami
{
namespace io
{
/**
**/
class ID3_CPP_EXPORT ExitTrigger
{
ID3_Reader& _reader;
ID3_Reader::pos_type _pos;
bool _locked;
public:
ExitTrigger(ID3_Reader& rdr)
: _reader(rdr), _pos(rdr.getCur()), _locked(true)
{ ; }
ExitTrigger(ID3_Reader& rdr, ID3_Reader::pos_type pos)
: _reader(rdr), _pos(pos)
{ ; }
virtual ~ExitTrigger() { if (_locked) _reader.setCur(_pos); }
void release() { _locked = false; }
void update() { _pos = _reader.getCur(); }
void setExitPos(ID3_Reader::pos_type pos) { _pos = pos; }
};
ID3_C_EXPORT String readString(ID3_Reader&);
ID3_C_EXPORT String readText(ID3_Reader&, size_t);
ID3_C_EXPORT String readUnicodeString(ID3_Reader&);
ID3_C_EXPORT String readUnicodeText(ID3_Reader&, size_t);
ID3_C_EXPORT BString readAllBinary(ID3_Reader&);
ID3_C_EXPORT BString readBinary(ID3_Reader&, size_t);
ID3_C_EXPORT uint32 readLENumber(ID3_Reader&, size_t);
ID3_C_EXPORT uint32 readBENumber(ID3_Reader&, size_t);
ID3_C_EXPORT String readTrailingSpaces(ID3_Reader&, size_t);
ID3_C_EXPORT uint32 readUInt28(ID3_Reader&);
ID3_C_EXPORT size_t writeString(ID3_Writer&, String);
ID3_C_EXPORT size_t writeText(ID3_Writer&, String);
ID3_C_EXPORT size_t writeUnicodeString(ID3_Writer&, String, bool = true);
ID3_C_EXPORT size_t writeUnicodeText(ID3_Writer&, String, bool = true);
ID3_C_EXPORT size_t writeBENumber(ID3_Writer&, uint32 val, size_t);
ID3_C_EXPORT size_t writeTrailingSpaces(ID3_Writer&, String, size_t);
ID3_C_EXPORT size_t writeUInt28(ID3_Writer&, uint32);
};
};
#endif /* _ID3LIB_IO_HELPERS_H_ */
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