kicad/eeschema/pin_number.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015 Simon Richter
* Copyright (C) 2015 KiCad Developers, see CHANGELOG.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 3
* 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 "pin_number.h"
namespace {
wxString GetNextComponent( const wxString& str, wxString::size_type& cursor )
{
if( str.size() <= cursor )
return wxEmptyString;
wxString::size_type begin = cursor;
wxUniChar c = str[cursor];
if( isdigit( c ) || c == '+' || c == '-' )
{
// number, possibly with sign
while( ++cursor < str.size() )
{
c = str[cursor];
if( isdigit( c ) || c == 'v' || c == 'V' )
continue;
else
break;
}
}
else
{
while( ++cursor < str.size() )
{
c = str[cursor];
if( isdigit( c ) )
break;
else
continue;
}
}
return str.substr( begin, cursor - begin );
}
}
wxString PinNumbers::GetSummary() const
{
wxString ret;
const_iterator i = begin();
if( i == end() )
return ret;
const_iterator begin_of_range = i;
const_iterator last;
for( ;; )
{
last = i;
++i;
int rc = ( i != end() ) ? Compare( *last, *i ) : -2;
assert( rc == -1 || rc == -2 );
if( rc == -1 )
// adjacent elements
continue;
ret += *begin_of_range;
if( begin_of_range != last )
{
ret += '-';
ret += *last;
}
if( i == end() )
break;
begin_of_range = i;
ret += ',';
}
return ret;
}
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int PinNumbers::Compare( const PinNumber& lhs, const PinNumber& rhs )
{
wxString::size_type cursor1 = 0;
wxString::size_type cursor2 = 0;
wxString comp1, comp2;
for( ; ; )
{
comp1 = GetNextComponent( lhs, cursor1 );
comp2 = GetNextComponent( rhs, cursor2 );
if( comp1.empty() && comp2.empty() )
return 0;
if( comp1.empty() )
return -2;
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if( comp2.empty() )
return 2;
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wxUniChar c1 = comp1[0];
wxUniChar c2 = comp2[0];
if( isdigit( c1 ) || c1 == '-' || c1 == '+' )
{
if( isdigit( c2 ) || c2 == '-' || c2 == '+' )
{
// numeric comparison
wxString::size_type v1 = comp1.find_first_of( "vV" );
if( v1 != wxString::npos )
comp1[v1] = '.';
wxString::size_type v2 = comp2.find_first_of( "vV" );
if( v2 != wxString::npos )
comp2[v2] = '.';
double val1, val2;
comp1.ToDouble( &val1 );
comp2.ToDouble( &val2 );
if( val1 < val2 )
{
if( val1 == val2 - 1 )
return -1;
else
return -2;
}
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if( val1 > val2 )
{
if( val1 == val2 + 1 )
return 1;
else
return 2;
}
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}
else
return -2;
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}
else
{
if( isdigit( c2 ) || c2 == '-' || c2 == '+' )
return 2;
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int res = comp1.Cmp( comp2 );
if( res != 0 )
return res;
}
}
}