kicad/utils/kicad2step/pcb/kicadpad.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2016 Cirilo Bernardo <cirilo.bernardo@gmail.com>
*
* 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 <wx/log.h>
#include <iostream>
#include <sstream>
#include "sexpr/sexpr.h"
#include "kicadpad.h"
static const char bad_pad[] = "* corrupt module in PCB file; bad pad";
KICADPAD::KICADPAD()
{
m_rotation = 0.0;
m_thruhole = false;
m_drill.oval = false;
return;
}
KICADPAD::~KICADPAD()
{
return;
}
bool KICADPAD::Read( SEXPR::SEXPR* aEntry )
{
// form: ( pad N thru_hole shape (at x y {r}) (size x y) (drill {oval} x {y}) (layers X X X) )
int nchild = aEntry->GetNumberOfChildren();
if( nchild < 2 )
{
std::ostringstream ostr;
ostr << bad_pad << " (line " << aEntry->GetLineNumber() << ")";
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wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
SEXPR::SEXPR* child;
for( int i = 1; i < nchild; ++i )
{
child = aEntry->GetChild( i );
if( child->IsSymbol() &&
( child->GetSymbol() == "thru_hole" || child->GetSymbol() == "np_thru_hole" ) )
{
m_thruhole = true;
continue;
}
if( child->IsList() )
{
std::string name = child->GetChild( 0 )->GetSymbol();
bool ret = true;
if( name == "drill" )
{
// ignore any drill info for SMD pads
if( m_thruhole )
ret = parseDrill( child );
}
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else if( name == "at" )
{
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ret = Get2DPositionAndRotation( child, m_position, m_rotation );
}
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if( !ret )
return false;
}
}
return true;
}
bool KICADPAD::parseDrill( SEXPR::SEXPR* aDrill )
{
// form: (drill {oval} X {Y})
const char bad_drill[] = "* corrupt module in PCB file; bad drill";
int nchild = aDrill->GetNumberOfChildren();
if( nchild < 2 )
{
std::ostringstream ostr;
ostr << bad_drill << " (line " << aDrill->GetLineNumber() << ")";
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wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
SEXPR::SEXPR* child = aDrill->GetChild( 1 );
int idx = 1;
m_drill.oval = false;
if( child->IsSymbol() )
{
if( child->GetSymbol() == "oval" && nchild >= 4 )
{
m_drill.oval = true;
child = aDrill->GetChild( ++idx );
}
else
{
std::ostringstream ostr;
ostr << bad_drill << " (line " << child->GetLineNumber();
ostr << ") (unexpected symbol: ";
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ostr << child->GetSymbol() << "), nchild = " << nchild;
wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
}
double x;
if( child->IsDouble() )
x = child->GetDouble();
else if( child->IsInteger() )
x = (double) child->GetInteger();
else
{
std::ostringstream ostr;
ostr << bad_drill << " (line " << child->GetLineNumber();
ostr << ") (did not find X size)";
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wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
m_drill.size.x = x;
m_drill.size.y = x;
if( ++idx == nchild || !m_drill.oval )
return true;
for( int i = idx; i < nchild; ++i )
{
child = aDrill->GetChild( i );
// NOTE: the Offset of the copper pad is stored
// in the drill string but since the copper is not
// needed in the MCAD model the Offset is simply ignored.
if( !child->IsList() )
{
double y;
if( child->IsDouble() )
y = child->GetDouble();
else if( child->IsInteger() )
y = (double) child->GetInteger();
else
{
std::ostringstream ostr;
ostr << bad_drill << " (line " << child->GetLineNumber();
ostr << ") (did not find Y size)";
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wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
m_drill.size.y = y;
}
}
return true;
}