kicad/common/text_utils.cpp

56 lines
1.8 KiB
C++

/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2017 CERN
* @author Maciej Suminski <maciej.suminski@cern.ch>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <text_utils.h>
std::pair<UTF8, std::vector<bool>> ProcessOverbars( const UTF8& aText )
{
UTF8 text;
std::vector<bool> flags;
bool overbar = false;
for( UTF8::uni_iter chIt = aText.ubegin(), end = aText.uend(); chIt < end; ++chIt )
{
if( *chIt == '~' )
{
if( ++chIt >= end )
break;
// It was a single tilda, it toggles overbar
if( *chIt != '~' )
overbar = !overbar;
// If it is a double tilda, just process the second one
}
// remember: *chIt is not necessary a ASCII7 char.
// it is an unsigned giving a multibyte char in UTF8 strings
text += *chIt;
flags.push_back( overbar );
}
return std::make_pair( text, flags );
}