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// $Id: field_integer.cpp,v 1.21 2002/07/02 22:12:13 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/
#include "field_impl.h"
#include "id3/utils.h" // has <config.h> "id3/id3lib_streams.h" "id3/globals.h" "id3/id3lib_strings.h"
#include "io_helpers.h"
using namespace dami;
/** \fn ID3_Field& ID3_Field::operator=(uint32 val)
** \brief A shortcut for the Set method.
**
** \code
** myFrame.GetField(ID3FN_PICTURETYPE)->= 0x0B;
** \endcode
**
** \param val The data to assign to this field
** \sa Set(uint32)
**/
/** \brief Sets the value of the field to the specified integer.
** \param data The data to assign to this field
**/
void ID3_FieldImpl::Set(uint32 val)
{
this->SetInteger(val);
}
void ID3_FieldImpl::SetInteger(uint32 val)
{
if (this->GetType() == ID3FTY_INTEGER)
{
this->Clear();
_integer = val;
_changed = true;
}
}
/** \fn uint32 ID3_Field::Get() const
** \brief Returns the value of the integer field.
**
** \code
** uint32 picType = myFrame.GetField(ID3FN_PICTURETYPE)->Get();
** \endcode
**
** \return The value of the integer field
**/
uint32 ID3_FieldImpl::Get() const
{
return this->GetInteger();
}
uint32 ID3_FieldImpl::GetInteger() const
{
uint32 val = 0;
if (this->GetType() == ID3FTY_INTEGER)
{
val = _integer;
}
return val;
}
bool ID3_FieldImpl::ParseInteger(ID3_Reader& reader)
{
ID3D_NOTICE( "ID3_FieldImpl::ParseInteger(): beg = " << reader.getBeg() );
ID3D_NOTICE( "ID3_FieldImpl::ParseInteger(): cur = " << reader.getCur() );
ID3D_NOTICE( "ID3_FieldImpl::ParseInteger(): end = " << reader.getEnd() );
bool success = false;
if (!reader.atEnd())
{
this->Clear();
size_t fixed = this->Size();
size_t nBytes = (fixed > 0) ? fixed : sizeof(uint32);
this->Set(io::readBENumber(reader, nBytes));
_changed = false;
success = true;
}
return success;
}
void ID3_FieldImpl::RenderInteger(ID3_Writer& writer) const
{
io::writeBENumber(writer, _integer, this->Size());
}
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