refdes_utils.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2019-2021 KiCad Developers, see AUTHORS.TXT for contributors.
 *
 * 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 <refdes_utils.h>
 
#include <string_utils.h>
 
#include <algorithm>
#include <cctype>
 
 
namespace UTIL
{
 
wxString GetRefDesPrefix( const wxString& aRefDes )
{
 // find the first non-digit, non-question-mark character from the back
 auto res = std::find_if( aRefDes.rbegin(), aRefDes.rend(),
 []( wxUniChar aChr )
 {
 return aChr != '?' && !std::isdigit( aChr );
 } );
 
 return { aRefDes.begin(), res.base() };
}
 
 
wxString GetRefDesUnannotated( const wxString& aSource )
{
 return UTIL::GetRefDesPrefix( aSource ) + wxT( "?" );
}
 
 
int GetRefDesNumber( const wxString& aRefDes )
{
 int retval = -1; // negative to indicate not found
 size_t firstnum = aRefDes.find_first_of( wxS( "0123456789" ) );
 
 if( firstnum != wxString::npos )
 {
 wxString candidateValue = aRefDes.Mid( firstnum );
 long result;
 
 if( !candidateValue.ToLong( &result ) )
 retval = -1;
 else
 retval = static_cast<int>( result );
 }
 
 return retval;
}
 
} // namespace UTIL