kde-playground/kdepimlibs/kmime/boolflags.cpp
2015-04-14 21:49:29 +00:00

77 lines
1.7 KiB
C++

/*
Copyright (c) 1999-2001 the KMime authors.
See file AUTHORS for details
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; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
/**
@file
This file is part of the API for handling MIME data and
defines the BoolFlags class.
@brief
Defines the BoolFlags class.
@author see AUTHORS file.
*/
#include "boolflags.h"
using namespace KMime;
void BoolFlags::set( unsigned int i, bool b )
{
if ( i > 15 ) {
return;
}
unsigned char p; //bitmask
int n;
if ( i < 8 ) { //first byte
p = ( 1 << i );
n = 0;
} else { //second byte
p = ( 1 << ( i - 8 ) );
n = 1;
}
if ( b ) {
mBits[n] = mBits[n] | p;
} else {
mBits[n] = mBits[n] & ( 255 - p );
}
}
bool BoolFlags::get( unsigned int i )
{
if ( i > 15 ) {
return false;
}
unsigned char p; //bitmask
int n;
if ( i < 8 ) { //first byte
p = ( 1 << i );
n = 0;
} else { //second byte
p = ( 1 << ( i - 8 ) );
n = 1;
}
return ( ( mBits[n] & p ) > 0 );
}