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/*
* Copyright (C) 2007-2011 Xagasoft, All rights reserved.
*
* This file is part of the libbu++ library and is released under the
* terms of the license contained in the file LICENSE.
*/
#include "bu/utfstring.h"
#include "bu/string.h"
Bu::UtfString::UtfString()
{
}
Bu::UtfString::~UtfString()
{
}
#include "bu/sio.h"
using Bu::sio;
void Bu::UtfString::debugUtf8( const Bu::String &sUtf8 )
{
static uint8_t lmask[8] = {
0x00,
0x01,
0x03,
0x07,
0x0f,
0x1f,
0x3f,
0x7f
};
for( Bu::String::const_iterator i = sUtf8.begin(); i; i++ )
{
if( i != sUtf8.begin() )
sio << ", ";
if( ((int)(uint8_t)*i)&0x80 )
{
// sio << "Flag byte: " << Bu::Fmt().radix(2).width(8).fill('0')
// << (int)(uint8_t)*i << sio.nl;
int iBytes = 1;
for(; (((uint8_t)(*i))<<iBytes)&0x80; iBytes++ ) { }
// sio << "iBytes = " << iBytes << sio.nl;
point uPt = ((*i) & lmask[7-iBytes])<<(6*(iBytes-1));
// sio << "mask: " << Bu::Fmt().radix(2).width(8).fill('0')
// << (int)lmask[7-iBytes] << sio.nl;
for( iBytes--; iBytes >= 1; iBytes-- )
{
// sio << "iBytes = " << iBytes << ", shift = " << (6*(iBytes-1))
// << sio.nl;
// sio << "next: " << Bu::Fmt().radix(2).width(8).fill('0')
// << (int)(uint8_t)*i << sio.nl
// << "mask: " << Bu::Fmt().radix(2).width(8).fill('0')
// << (int)lmask[6] << sio.nl;
i++;
uPt |= ((*i)&lmask[6])<<(6*(iBytes-1));
}
sio << uPt;
// sio << " (" << Bu::Fmt( 8, 2 ).fill('0')
// << uPt << ")";
}
else
{
sio << (int)((uint8_t)*i);
}
}
sio << sio.nl;
}
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