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// The authors have released ID3Lib as Public Domain (PD) and claim no copyright,
// patent or other intellectual property protection in this work. This means that
// it may be modified, redistributed and used in commercial and non-commercial
// software and hardware without restrictions. ID3Lib is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
//
// The ID3Lib authors encourage improvements and optimisations to be sent to the
// ID3Lib coordinator, currently Dirk Mahoney (dirk@id3.org). Approved
// submissions may be altered, and will be included and released under these terms.
//
// Mon Nov 23 18:34:01 1998
#include "id3_field.h"
ID3_Field& ID3_Field::operator= ( luint newData )
{
Set ( newData );
return *this;
}
void ID3_Field::Set ( luint newData )
{
Clear();
data = (uchar *) newData;
size = sizeof ( luint );
type = ID3FTY_INTEGER;
hasChanged = true;
return;
}
luint ID3_Field::Get ( void )
{
return (luint) data;
}
luint ID3_Field::ParseInteger ( uchar *buffer, luint posn, luint buffSize )
{
luint bytesUsed = 0;
if ( buffer && buffSize )
{
luint i;
luint temp = 0;
bytesUsed = 4;
if ( fixedLength != -1 )
bytesUsed = MIN ( fixedLength, bytesUsed );
for ( i = 0; i < bytesUsed; i++ )
temp |= ( buffer[ posn + i ] << ( ( ( bytesUsed - i ) - 1 ) * 8 ) );
Set ( temp );
hasChanged = false;
}
return bytesUsed;
}
luint ID3_Field::RenderInteger ( uchar *buffer )
{
luint bytesUsed = 0;
luint length = BinSize();
for ( luint i = 0; i < length; i++ )
buffer[ i ] = (uchar) ( ( ( (luint) data ) >> ( ( ( length - i ) - 1 ) * 8 ) ) & 0xFF );
bytesUsed = length;
hasChanged = false;
return bytesUsed;
}
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