bool KICADPCB::parseGeneral( SEXPR::SEXPR* data )
{
size_t nc = data->GetNumberOfChildren();
SEXPR::SEXPR* child = NULL;
for( size_t i = 1; i < nc; ++i )
{
child = data->GetChild( i );
if( !child->IsList() )
{
std::ostringstream ostr;
ostr << "* corrupt PCB file: '" << m_filename << "'\n";
wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
// at the moment only the thickness is of interest in
// the general section
if( child->GetChild( 0 )->GetSymbol() != "thickness" )
continue;
m_thickness = child->GetChild( 1 )->GetDouble();
return true;
}
std::ostringstream ostr;
ostr << "* corrupt PCB file: '" << m_filename << "'\n";
ostr << "* no PCB thickness specified in general section\n";
wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
bool KICADPCB::parsePCB( SEXPR::SEXPR* data )
{
if( NULL == data )
return false;
if( data->IsList() )
{
size_t nc = data->GetNumberOfChildren();
SEXPR::SEXPR* child = data->GetChild( 0 );
std::string name = child->GetSymbol();
if( name != "kicad_pcb" )
{
std::ostringstream ostr;
ostr << "* data is not a valid PCB file: '" << m_filename << "'\n";
wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
bool result = true;
for( size_t i = 1; i < nc && result; ++i )
{
child = data->GetChild( i );
if( !child->IsList() )
{
std::ostringstream ostr;
ostr << "* corrupt PCB file: '" << m_filename << "'\n";
wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
std::string symname( child->GetChild( 0 )->GetSymbol() );
if( symname == "general" )
result = result && parseGeneral( child );
else if( symname == "module" )
result = result && parseModule( child );
else if( symname == "gr_arc" )
result = result && parseCurve( child, CURVE_ARC );
else if( symname == "gr_line" )
result = result && parseCurve( child, CURVE_LINE );
else if( symname == "gr_circle" )
result = result && parseCurve( child, CURVE_CIRCLE );
}
return result;
}
std::ostringstream ostr;
ostr << "* data is not a valid PCB file: '" << m_filename << "'\n";
wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
bool KICADMODULE::parseText( SEXPR::SEXPR* data )
{
// we're only interested in the Reference Designator
if( data->GetNumberOfChildren() < 3 )
return true;
SEXPR::SEXPR* child = data->GetChild( 1 );
std::string text;
if( child->IsSymbol() )
text = child->GetSymbol();
else if( child->IsString() )
text = child->GetString();
if( text != "reference" )
return true;
child = data->GetChild( 2 );
if( child->IsSymbol() )
text = child->GetSymbol();
else if( child->IsString() )
text = child->GetString();
m_refdes = text;
return true;
}
bool KICADMODEL::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 << "* invalid model entry";
wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
SEXPR::SEXPR* child = aEntry->GetChild( 1 );
if( child->IsSymbol() )
m_modelname = child->GetSymbol();
else if( child->IsString() )
m_modelname = child->GetString();
else
{
std::ostringstream ostr;
ostr << "* invalid model entry; invalid path";
wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
for( int i = 2; i < nchild; ++i )
{
child = aEntry->GetChild( i );
if( !child->IsList() )
continue;
std::string name = child->GetChild( 0 )->GetSymbol();
bool ret = true;
if( name == "at" )
ret = Get3DCoordinate( child->GetChild( 1 ), m_offset );
else if( name == "scale" )
ret = Get3DCoordinate( child->GetChild( 1 ), m_scale );
else if( name == "rotate" )
ret = GetXYZRotation( child->GetChild( 1 ), m_rotation );
if( !ret )
return false;
}
return true;
}
bool KICADMODULE::parseLayer( SEXPR::SEXPR* data )
{
SEXPR::SEXPR* val = data->GetChild( 1 );
std::string layer;
if( val->IsSymbol() )
layer = val->GetSymbol();
else if( val->IsString() )
layer = val->GetString();
else
{
std::ostringstream ostr;
ostr << "* corrupt module in PCB file; layer cannot be parsed\n";
wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
if( layer == "F.Cu" )
m_side = LAYER_TOP;
else if( layer == "B.Cu" )
m_side = LAYER_BOTTOM;
return true;
}
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;
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 );
}
else if( name == "at" )
{
ret = Get2DPositionAndRotation( child, m_position, m_rotation );
}
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;
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 << " (unexpected symbol: ";
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 << " (did not find X size)";
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 << " (did not find Y size)";
wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
m_drill.size.y = y;
}
}
return true;
}
bool KICADMODULE::Read( SEXPR::SEXPR* aEntry )
{
if( NULL == aEntry )
return false;
if( aEntry->IsList() )
{
size_t nc = aEntry->GetNumberOfChildren();
SEXPR::SEXPR* child = aEntry->GetChild( 0 );
std::string name = child->GetSymbol();
if( name != "module" )
{
std::ostringstream ostr;
ostr << "* BUG: module parser invoked for type '" << name << "'\n";
wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
bool result = true;
for( size_t i = 1; i < nc && result; ++i )
{
child = aEntry->GetChild( i );
// skip the module name and the optional 'locked' attribute;
// due to the vagaries of the kicad version of sexpr, the
// name may be a Symbol or a String
if( i <= 2 && ( child->IsSymbol() || child->IsString() ) )
continue;
if( !child->IsList() )
{
std::ostringstream ostr;
ostr << "* corrupt module in PCB file\n";
wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}
std::string symname( child->GetChild( 0 )->GetSymbol() );
if( symname == "layer" )
result = result && parseLayer( child );
else if( symname == "at" )
result = result && parsePosition( child );
else if( symname == "fp_text" )
result = result && parseText( child );
else if( symname == "fp_arc" )
result = result && parseCurve( child, CURVE_ARC );
else if( symname == "fp_line" )
result = result && parseCurve( child, CURVE_LINE );
else if( symname == "fp_circle" )
result = result && parseCurve( child, CURVE_CIRCLE );
else if( symname == "pad" )
result = result && parsePad( child );
else if( symname == "model" )
result = result && parseModel( child );
}
return result;
}
std::ostringstream ostr;
ostr << "* data is not a valid PCB module\n";
wxLogMessage( "%s\n", ostr.str().c_str() );
return false;
}