pcb.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2007, 2008 Lubo Racko <[email protected]>
 * Copyright (C) 2007, 2008, 2012-2013 Alexander Lunev <[email protected]>
 * Copyright (C) 2012-2021 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 <pcad/pcb.h>
 
#include <pcad/pcb_keepout.h>
#include <pcad/pcb_footprint.h>
#include <pcad/pcb_net.h>
#include <pcad/pcb_pad.h>
#include <pcad/pcb_text.h>
#include <pcad/pcb_via.h>
#include <pcad/s_expr_loader.h>
 
#include <board.h>
#include <common.h>
#include <xnode.h>
 
#include <wx/string.h>
 
namespace PCAD2KICAD {
 
 
PCB_LAYER_ID PCB::GetKiCadLayer( int aPCadLayer ) const
{
 auto it = m_LayersMap.find( aPCadLayer );
 
 if( it == m_LayersMap.end() )
 THROW_IO_ERROR( wxString::Format( _( "Unknown PCad layer %u" ), unsigned( aPCadLayer ) ) );
 
 return it->second.KiCadLayer;
}
 
 
LAYER_TYPE_T PCB::GetLayerType( int aPCadLayer ) const
{
 auto it = m_LayersMap.find( aPCadLayer );
 
 if( it == m_LayersMap.end() )
 THROW_IO_ERROR( wxString::Format( _( "Unknown PCad layer %u" ), unsigned( aPCadLayer ) ) );
 
 return it->second.layerType;
}
 
 
wxString PCB::GetLayerNetNameRef( int aPCadLayer ) const
{
 auto it = m_LayersMap.find( aPCadLayer );
 
 if( it == m_LayersMap.end() )
 THROW_IO_ERROR( wxString::Format( _( "Unknown PCad layer %u" ), unsigned( aPCadLayer ) ) );
 
 return it->second.netNameRef;
}
 
 
PCB::PCB( BOARD* aBoard ) :
 PCB_FOOTPRINT( this, aBoard )
{
 m_DefaultMeasurementUnit = wxT( "mil" );
 
 for( size_t i = 0; i < 8; ++i )
 {
 TLAYER layer;
 layer.KiCadLayer = F_Mask; // default
 layer.layerType = LAYER_TYPE_NONSIGNAL; // default
 layer.netNameRef = wxT( "" ); // default
 
 m_LayersMap.insert( std::make_pair( i, layer ) );
 }
 
 m_SizeX = 0;
 m_SizeY = 0;
 
 m_LayersMap[1].KiCadLayer = F_Cu;
 m_LayersMap[1].layerType = LAYER_TYPE_SIGNAL;
 
 m_LayersMap[2].KiCadLayer = B_Cu;
 m_LayersMap[2].layerType = LAYER_TYPE_SIGNAL;
 
 m_LayersMap[3].KiCadLayer = Eco2_User;
 m_LayersMap[6].KiCadLayer = F_SilkS;
 m_LayersMap[7].KiCadLayer = B_SilkS;
}
 
 
PCB::~PCB()
{
 int i;
 
 for( i = 0; i < (int) m_PcbComponents.GetCount(); i++ )
 {
 delete m_PcbComponents[i];
 }
 
 for( i = 0; i < (int) m_PcbNetlist.GetCount(); i++ )
 {
 delete m_PcbNetlist[i];
 }
}
 
 
int PCB::GetNetCode( const wxString& aNetName ) const
{
 const PCB_NET* net;
 
 for( int i = 0; i < (int) m_PcbNetlist.GetCount(); i++ )
 {
 net = m_PcbNetlist[i];
 
 if( net->m_Name == aNetName )
 {
 return net->m_NetCode;
 }
 }
 
 return 0;
}
 
XNODE* PCB::FindCompDefName( XNODE* aNode, const wxString& aName ) const
{
 XNODE* result = nullptr, * lNode;
 wxString propValue;
 
 lNode = FindNode( aNode, wxT( "compDef" ) );
 
 while( lNode )
 {
 if( lNode->GetName().IsSameAs( wxT( "compDef" ), false ) )
 {
 lNode->GetAttribute( wxT( "Name" ), &propValue );
 
 if( propValue == aName )
 {
 result = lNode;
 lNode = nullptr;
 }
 }
 
 if( lNode )
 lNode = lNode->GetNext();
 }
 
 return result;
}
 
 
void PCB::SetTextProperty( XNODE* aNode, TTEXTVALUE* aTextValue, const wxString& aPatGraphRefName,
 const wxString& aXmlName, const wxString& aActualConversion )
{
 XNODE* tNode, * t1Node;
 wxString n, nnew, pn, propValue, str;
 
 // aNode is pattern now
 tNode = aNode;
 t1Node = aNode;
 n = aXmlName;
 
 // new file format version
 if( FindNode( tNode, wxT( "patternGraphicsNameRef" ) ) )
 {
 FindNode( tNode,
 wxT( "patternGraphicsNameRef" ) )->GetAttribute( wxT( "Name" ),
 &pn );
 pn.Trim( false );
 pn.Trim( true );
 tNode = FindNode( tNode, wxT( "patternGraphicsRef" ) );
 
 while( tNode )
 {
 if( tNode->GetName().IsSameAs( wxT( "patternGraphicsRef" ), false ) )
 {
 if( FindNode( tNode, wxT( "patternGraphicsNameRef" ) ) )
 {
 FindNode( tNode,
 wxT( "patternGraphicsNameRef" ) )->GetAttribute( wxT( "Name" ),
 &propValue );
 
 if( propValue == pn )
 {
 t1Node = tNode; // find correct section with same name.
 str = aTextValue->text;
 str.Trim( false );
 str.Trim( true );
 nnew = n; // new file version
 n = n + wxT( ' ' ) + str; // old file version
 tNode = nullptr;
 }
 }
 }
 
 if( tNode )
 tNode = tNode->GetNext();
 }
 }
 
 // old version and compatible for both from this point
 tNode = FindNode( t1Node, wxT( "attr" ) );
 
 while( tNode )
 {
 tNode->GetAttribute( wxT( "Name" ), &propValue );
 propValue.Trim( false );
 propValue.Trim( true );
 
 if( propValue == n || propValue == nnew )
 break;
 
 tNode = tNode->GetNext();
 }
 
 if( tNode )
 SetTextParameters( tNode, aTextValue, m_DefaultMeasurementUnit, aActualConversion );
}
 
 
void PCB::DoPCBComponents( XNODE* aNode, wxXmlDocument* aXmlDoc, const wxString& aActualConversion,
 wxStatusBar* aStatusBar )
{
 XNODE* lNode, * tNode, * mNode;
 PCB_FOOTPRINT* fp;
 PCB_PAD* pad;
 PCB_VIA* via;
 PCB_KEEPOUT* keepOut;
 wxString cn, str, propValue;
 
 lNode = aNode->GetChildren();
 
 while( lNode )
 {
 fp = nullptr;
 
 if( lNode->GetName().IsSameAs( wxT( "pattern" ), false ) )
 {
 FindNode( lNode, wxT( "patternRef" ) )->GetAttribute( wxT( "Name" ),
 &cn );
 cn = ValidateName( cn );
 tNode = FindNode( (XNODE *)aXmlDoc->GetRoot(), wxT( "library" ) );
 
 if( tNode && cn.Len() > 0 )
 {
 tNode = FindModulePatternDefName( tNode, cn );
 
 if( tNode )
 {
 fp = new PCB_FOOTPRINT( this, m_board );
 
 mNode = FindNode( lNode, wxT( "patternGraphicsNameRef" ) );
 
 if( mNode )
 mNode->GetAttribute( wxT( "Name" ), &fp->m_patGraphRefName );
 
 fp->Parse( tNode, aStatusBar, m_DefaultMeasurementUnit, aActualConversion );
 }
 }
 
 if( fp )
 {
 fp->m_compRef = cn; // default - in new version of file it is updated later....
 tNode = FindNode( lNode, wxT( "refDesRef" ) );
 
 if( tNode )
 {
 tNode->GetAttribute( wxT( "Name" ), &fp->m_name.text );
 SetTextProperty( lNode, &fp->m_name, fp->m_patGraphRefName, wxT( "RefDes" ),
 aActualConversion );
 SetTextProperty( lNode, &fp->m_Value, fp->m_patGraphRefName, wxT( "Value" ),
 aActualConversion );
 }
 
 tNode = FindNode( lNode, wxT( "pt" ) );
 
 if( tNode )
 {
 SetPosition( tNode->GetNodeContent(), m_DefaultMeasurementUnit,
 &fp->m_positionX, &fp->m_positionY, aActualConversion );
 }
 
 tNode = FindNode( lNode, wxT( "rotation" ) );
 
 if( tNode )
 {
 str = tNode->GetNodeContent();
 str.Trim( false );
 fp->m_rotation = EDA_ANGLE( StrToInt1Units( str ), TENTHS_OF_A_DEGREE_T );
 }
 
 str = FindNodeGetContent( lNode, wxT( "isFlipped" ) );
 
 if( str.IsSameAs( wxT( "True" ), false ) )
 fp->m_Mirror = 1;
 
 tNode = aNode;
 
 while( tNode->GetName() != wxT( "www.lura.sk" ) )
  tNode = tNode->GetParent();
 
 tNode = FindNode( tNode, wxT( "netlist" ) );
 
 if( tNode )
 {
 tNode = FindNode( tNode, wxT( "compInst" ) );
 
 while( tNode )
 {
 tNode->GetAttribute( wxT( "Name" ), &propValue );
 
 if( propValue == fp->m_name.text )
 {
 if( FindNode( tNode, wxT( "compValue" ) ) )
 {
 FindNode( tNode,
 wxT( "compValue" ) )->GetAttribute( wxT( "Name" ),
 &fp->m_Value.text );
 fp->m_Value.text.Trim( false );
 fp->m_Value.text.Trim( true );
 }
 
 if( FindNode( tNode, wxT( "compRef" ) ) )
 {
 FindNode( tNode,
 wxT( "compRef" ) )->GetAttribute( wxT( "Name" ),
 &fp->m_compRef );
 fp->m_compRef.Trim( false );
 fp->m_compRef.Trim( true );
 }
 
 tNode = nullptr;
 }
 else
 {
 tNode = tNode->GetNext();
 }
 }
 }
 
 // map pins
 tNode = FindNode( (XNODE *)aXmlDoc->GetRoot(), wxT( "library" ) );
 tNode = FindCompDefName( tNode, fp->m_compRef );
 
 if( tNode )
 {
 tNode = FindPinMap( tNode );
 
 if( tNode )
 {
 mNode = tNode->GetChildren();
 
 while( mNode )
 {
 if( mNode->GetName().IsSameAs( wxT( "padNum" ), false ) )
 {
 str = mNode->GetNodeContent();
 mNode = mNode->GetNext();
 
 if( !mNode )
 break;
 
 mNode->GetAttribute( wxT( "Name" ), &propValue );
 fp->SetName( str, propValue );
 mNode = mNode->GetNext();
 }
 else
 {
 mNode = mNode->GetNext();
 
 if( !mNode )
 break;
 
 mNode = mNode->GetNext();
 }
 }
 }
 }
 
 m_PcbComponents.Add( fp );
 }
 }
 else if( lNode->GetName().IsSameAs( wxT( "pad" ), false ) )
 {
 pad = new PCB_PAD( this, m_board );
 pad->Parse( lNode, m_DefaultMeasurementUnit, aActualConversion );
 m_PcbComponents.Add( pad );
 }
 else if( lNode->GetName().IsSameAs( wxT( "via" ), false ) )
 {
 via = new PCB_VIA( this, m_board );
 via->Parse( lNode, m_DefaultMeasurementUnit, aActualConversion );
 m_PcbComponents.Add( via );
 }
 else if( lNode->GetName().IsSameAs( wxT( "polyKeepOut" ), false ) )
 {
 keepOut = new PCB_KEEPOUT( m_callbacks, m_board, 0 );
 
 if( keepOut->Parse( lNode, m_DefaultMeasurementUnit, aActualConversion ) )
 m_PcbComponents.Add( keepOut );
 else
 delete keepOut;
 }
 
 lNode = lNode->GetNext();
 }
}
 
 
void PCB::ConnectPinToNet( const wxString& aCompRef, const wxString& aPinRef,
 const wxString& aNetName )
{
 PCB_FOOTPRINT* footprint;
 PCB_PAD* cp;
 int i, j;
 
 for( i = 0; i < (int) m_PcbComponents.GetCount(); i++ )
 {
 footprint = (PCB_FOOTPRINT*) m_PcbComponents[i];
 
 if( footprint->m_objType == wxT( 'M' ) && footprint->m_name.text == aCompRef )
 {
 for( j = 0; j < (int) footprint->m_FootprintItems.GetCount(); j++ )
 {
 if( footprint->m_FootprintItems[j]->m_objType == wxT( 'P' ) )
 {
 cp = (PCB_PAD*) footprint->m_FootprintItems[j];
 
 if( cp->m_name.text == aPinRef )
 cp->m_net = aNetName;
 }
 }
 }
 }
}
 
 
int PCB::FindLayer( const wxString& aLayerName ) const
{
 for( int i = 0; i < (int) m_layersStackup.size(); ++i )
 {
 if( m_layersStackup[i].first == aLayerName )
 return i;
 }
 
 return -1;
}
 
 
void PCB::MapLayer( XNODE* aNode )
{
 wxString lName, layerType;
 PCB_LAYER_ID KiCadLayer;
 long num = 0;
 
 aNode->GetAttribute( wxT( "Name" ), &lName );
 lName = lName.MakeUpper();
 
 if( lName == wxT( "TOP ASSY" ) )
 {
 KiCadLayer = F_Fab;
 }
 else if( lName == wxT( "TOP SILK" ) )
 {
 KiCadLayer = F_SilkS;
 }
 else if( lName == wxT( "TOP PASTE" ) )
 {
 KiCadLayer = F_Paste;
 }
 else if( lName == wxT( "TOP MASK" ) )
 {
 KiCadLayer = F_Mask;
 }
 else if( lName == wxT( "TOP" ) )
 {
 KiCadLayer = F_Cu;
 }
 else if( lName == wxT( "BOTTOM" ) )
 {
 KiCadLayer = B_Cu;
 }
 else if( lName == wxT( "BOT MASK" ) )
 {
 KiCadLayer = B_Mask;
 }
 else if( lName == wxT( "BOT PASTE" ) )
 {
 KiCadLayer = B_Paste;
 }
 else if( lName == wxT( "BOT SILK" ) )
 {
 KiCadLayer = B_SilkS;
 }
 else if( lName == wxT( "BOT ASSY" ) )
 {
 KiCadLayer = B_Fab;
 }
 else if( lName == wxT( "BOARD" ) )
 {
 KiCadLayer = Edge_Cuts;
 }
 else
 {
 int layernum = FindLayer( lName );
 
 if( layernum == -1 )
 KiCadLayer = Dwgs_User; // default
 else
 KiCadLayer = ToLAYER_ID( layernum );
 }
 
 if( FindNode( aNode, wxT( "layerNum" ) ) )
 FindNode( aNode, wxT( "layerNum" ) )->GetNodeContent().ToLong( &num );
 
 if( num < 0 )
 THROW_IO_ERROR( wxString::Format( wxT( "layerNum = %ld is out of range" ), num ) );
 
 TLAYER newlayer;
 newlayer.KiCadLayer = KiCadLayer;
 
 if( FindNode( aNode, wxT( "layerType" ) ) )
 {
 layerType = FindNode( aNode, wxT( "layerType" ) )->GetNodeContent().Trim( false );
 
 if( layerType.IsSameAs( wxT( "NonSignal" ), false ) )
 newlayer.layerType = LAYER_TYPE_NONSIGNAL;
 
 if( layerType.IsSameAs( wxT( "Signal" ), false ) )
 newlayer.layerType = LAYER_TYPE_SIGNAL;
 
 if( layerType.IsSameAs( wxT( "Plane" ), false ) )
 newlayer.layerType = LAYER_TYPE_PLANE;
 }
 
 m_LayersMap.insert( std::make_pair( num, newlayer ) );
 
 if( FindNode( aNode, wxT( "netNameRef" ) ) )
 {
 FindNode( aNode, wxT( "netNameRef" ) )->GetAttribute( wxT( "Name" ),
 &m_LayersMap[(int) num].netNameRef );
 }
}
 
int PCB::FindOutlinePoint( const VERTICES_ARRAY* aOutline, wxRealPoint aPoint ) const
{
 int i;
 
 for( i = 0; i < (int) aOutline->GetCount(); i++ )
 {
 if( *((*aOutline)[i]) == aPoint )
 return i;
 }
 
 return -1;
}
 
 
double PCB::GetDistance( const wxRealPoint* aPoint1, const wxRealPoint* aPoint2 ) const
{
 return sqrt( ( aPoint1->x - aPoint2->x ) * ( aPoint1->x - aPoint2->x ) +
 ( aPoint1->y - aPoint2->y ) * ( aPoint1->y - aPoint2->y ) );
}
 
void PCB::GetBoardOutline( wxXmlDocument* aXmlDoc, const wxString& aActualConversion )
{
 XNODE* iNode, *lNode, *pNode;
 long PCadLayer = 0;
 int x, y, i, j, targetInd;
 wxRealPoint* xchgPoint;
 double minDistance, distance;
 
 iNode = FindNode( (XNODE *)aXmlDoc->GetRoot(), wxT( "pcbDesign" ) );
 
 if( iNode )
 {
 // COMPONENTS AND OBJECTS
 iNode = iNode->GetChildren();
 
 while( iNode )
 {
 // objects
 if( iNode->GetName().IsSameAs( wxT( "layerContents" ), false ) )
 {
 if( FindNode( iNode, wxT( "layerNumRef" ) ) )
 FindNode( iNode, wxT( "layerNumRef" ) )->GetNodeContent().ToLong( &PCadLayer );
 
 if( GetKiCadLayer( PCadLayer ) == Edge_Cuts )
 {
 lNode = iNode->GetChildren();
 
 while( lNode )
 {
 if( lNode->GetName().IsSameAs( wxT( "line" ), false ) )
 {
 pNode = FindNode( lNode, wxT( "pt" ) );
 
 if( pNode )
 {
 SetPosition( pNode->GetNodeContent(), m_DefaultMeasurementUnit,
 &x, &y, aActualConversion );
 
 if( FindOutlinePoint( &m_BoardOutline, wxRealPoint( x, y) ) == -1 )
 m_BoardOutline.Add( new wxRealPoint( x, y ) );
 }
 
 if( pNode )
 pNode = pNode->GetNext();
 
 if( pNode )
 {
 SetPosition( pNode->GetNodeContent(), m_DefaultMeasurementUnit,
 &x, &y, aActualConversion );
 
 if( FindOutlinePoint( &m_BoardOutline, wxRealPoint( x, y) ) == -1 )
 m_BoardOutline.Add( new wxRealPoint( x, y ) );
 }
 }
 
 lNode = lNode->GetNext();
 }
 
 //m_boardOutline.Sort( cmpFunc );
 // sort vertices according to the distances between them
 if( m_BoardOutline.GetCount() > 3 )
 {
 for( i = 0; i < (int) m_BoardOutline.GetCount() - 1; i++ )
 {
 minDistance = GetDistance( m_BoardOutline[i], m_BoardOutline[ i + 1] );
 targetInd = i + 1;
 
 for( j = i + 2; j < (int) m_BoardOutline.GetCount(); j++ )
 {
 distance = GetDistance( m_BoardOutline[i], m_BoardOutline[j] );
 
 if( distance < minDistance )
 {
 minDistance = distance;
 targetInd = j;
 }
 }
 
 xchgPoint = m_BoardOutline[ i + 1];
 m_BoardOutline[ i + 1] = m_BoardOutline[targetInd];
 m_BoardOutline[targetInd] = xchgPoint;
 }
 }
 
 break;
 }
 }
 
 iNode = iNode->GetNext();
 }
 }
}
 
 
void PCB::ParseBoard( wxStatusBar* aStatusBar, wxXmlDocument* aXmlDoc,
 const wxString& aActualConversion )
{
 XNODE* aNode;//, *aaNode;
 PCB_NET* net;
 PCB_COMPONENT* comp;
 PCB_FOOTPRINT* footprint;
 wxString compRef, pinRef, layerName, layerType;
 int i, j, netCode;
 
 // Default measurement units
 aNode = FindNode( (XNODE *)aXmlDoc->GetRoot(), wxT( "asciiHeader" ) );
 
 if( aNode )
 {
 aNode = FindNode( aNode, wxT( "fileUnits" ) );
 
 if( aNode )
 {
 m_DefaultMeasurementUnit = aNode->GetNodeContent().Lower();
 m_DefaultMeasurementUnit.Trim( true );
 m_DefaultMeasurementUnit.Trim( false );
 }
 }
 
 // Determine layers stackup
 aNode = FindNode( (XNODE *)aXmlDoc->GetRoot(), wxT( "pcbDesign" ) );
 
 /*if( aNode )
 {
 aNode = FindNode( aNode, wxT( "layersStackup" ) );
 
 if( aNode )
 {
 aNode = FindNode( aNode, wxT( "layerStackupData" ) );
 
 while( aNode )
 {
 if( aNode->GetName() == wxT( "layerStackupData" ) )
 {
 aaNode = FindNode( aNode, wxT( "layerStackupName" ) );
 
 if( aaNode ) {
 aaNode->GetAttribute( wxT( "Name" ), &layerName );
 layerName = layerName.MakeUpper();
 m_layersStackup.Add( layerName );
 }
 }
 
 aNode = aNode->GetNext();
 }
 }
 }*/
 
 if( aNode )
 {
 aNode = FindNode( aNode, wxT( "layerDef" ) );
 
 while( aNode )
 {
 if( aNode->GetName().IsSameAs( wxT( "layerDef" ), false ) )
 {
 if( FindNode( aNode, wxT( "layerType" ) ) )
 {
 long num = -1;
 
 if( FindNode( aNode, wxT( "layerNum" ) ) )
  FindNode( aNode, wxT( "layerNum" ) )->GetNodeContent().ToLong( &num );
 
 layerType = FindNode( aNode, wxT( "layerType" ) )->GetNodeContent().Trim(
 false );
 
 if( num > 0 && ( layerType.IsSameAs( wxT( "Signal" ), false )
 || layerType.IsSameAs( wxT( "Plane" ), false ) ) )
 {
 aNode->GetAttribute( wxT( "Name" ), &layerName );
 layerName = layerName.MakeUpper();
 m_layersStackup.emplace_back( layerName, num );
 
 if( m_layersStackup.size() > 32 )
 THROW_IO_ERROR( _( "KiCad only supports 32 signal layers." ) );
 }
 }
 }
 
 aNode = aNode->GetNext();
 }
 
 // Ensure that the layers are properly mapped to their order with the bottom
  // copper (layer 2 in PCAD) at the end
 std::sort( m_layersStackup.begin(), m_layersStackup.end(),
 [&]( const std::pair<wxString, long>& a, const std::pair<wxString, long>& b ) {
 long lhs = a.second == 2 ? std::numeric_limits<long>::max() : a.second;
 long rhs = b.second == 2 ? std::numeric_limits<long>::max() : b.second;
 
 return lhs < rhs;
 } );
 }
 
 // Layers mapping
 aNode = FindNode( (XNODE *)aXmlDoc->GetRoot(), wxT( "pcbDesign" ) );
 
 if( aNode )
 {
 aNode = FindNode( aNode, wxT( "layerDef" ) );
 
 while( aNode )
 {
 if( aNode->GetName().IsSameAs( wxT( "layerDef" ), false ) )
 MapLayer( aNode );
 
 aNode = aNode->GetNext();
 }
 }
 
 GetBoardOutline( aXmlDoc, aActualConversion );
 
 // NETLIST
 // aStatusBar->SetStatusText( wxT( "Loading NETLIST " ) );
 
 aNode = FindNode( (XNODE *)aXmlDoc->GetRoot(), wxT( "netlist" ) );
 
 if( aNode )
 {
 aNode = FindNode( aNode, wxT( "net" ) );
 
 netCode = 1;
 
 while( aNode )
 {
 net = new PCB_NET( netCode++ );
 net->Parse( aNode );
 m_PcbNetlist.Add( net );
 
 aNode = aNode->GetNext();
 }
 }
 
 // BOARD FILE
 // aStatusBar->SetStatusText( wxT( "Loading BOARD DEFINITION " ) );
 
 aNode = FindNode( (XNODE *)aXmlDoc->GetRoot(), wxT( "pcbDesign" ) );
 
 if( aNode )
 {
 // COMPONENTS AND OBJECTS
 aNode = aNode->GetChildren();
 
 while( aNode )
 {
 // Components/footprints
 if( aNode->GetName().IsSameAs( wxT( "multiLayer" ), false ) )
 DoPCBComponents( aNode, aXmlDoc, aActualConversion, aStatusBar );
 
 // objects
 if( aNode->GetName().IsSameAs( wxT( "layerContents" ), false ) )
 DoLayerContentsObjects( aNode, nullptr, &m_PcbComponents, aStatusBar,
 m_DefaultMeasurementUnit, aActualConversion );
 
 aNode = aNode->GetNext();
 }
 
 // POSTPROCESS -- SET NETLIST REFERENCES
 // aStatusBar->SetStatusText( wxT( "Processing NETLIST " ) );
 
 for( i = 0; i < (int) m_PcbNetlist.GetCount(); i++ )
 {
 net = m_PcbNetlist[i];
 
 for( j = 0; j < (int) net->m_NetNodes.GetCount(); j++ )
 {
 compRef = net->m_NetNodes[j]->m_CompRef;
 compRef.Trim( false );
 compRef.Trim( true );
 pinRef = net->m_NetNodes[j]->m_PinRef;
 pinRef.Trim( false );
 pinRef.Trim( true );
 ConnectPinToNet( compRef, pinRef, net->m_Name );
 }
 }
 
 // POSTPROCESS -- FLIP COMPONENTS
 for( i = 0; i < (int) m_PcbComponents.GetCount(); i++ )
 {
 if( m_PcbComponents[i]->m_objType == wxT( 'M' ) )
  ( (PCB_FOOTPRINT*) m_PcbComponents[i] )->Flip();
 }
 
 // POSTPROCESS -- SET/OPTIMIZE NEW PCB POSITION
 // aStatusBar->SetStatusText( wxT( "Optimizing BOARD POSITION " ) );
 
 m_SizeX = 10000000;
 m_SizeY = 0;
 
 for( i = 0; i < (int) m_PcbComponents.GetCount(); i++ )
 {
 comp = m_PcbComponents[i];
 
 if( comp->m_positionY < m_SizeY )
 m_SizeY = comp->m_positionY; // max Y
 
 if( comp->m_positionX < m_SizeX && comp->m_positionX > 0 )
 m_SizeX = comp->m_positionX; // Min X
 }
 
 m_SizeY -= 10000;
 m_SizeX -= 10000;
 // aStatusBar->SetStatusText( wxT( " POSITIONING POSTPROCESS " ) );
 
 for( i = 0; i < (int) m_PcbComponents.GetCount(); i++ )
 m_PcbComponents[i]->SetPosOffset( -m_SizeX, -m_SizeY );
 
 m_SizeX = 0;
 m_SizeY = 0;
 
 for( i = 0; i < (int) m_PcbComponents.GetCount(); i++ )
 {
 comp = m_PcbComponents[i];
 
 if( comp->m_positionY < m_SizeY )
 m_SizeY = comp->m_positionY; // max Y
 
 if( comp->m_positionX > m_SizeX )
 m_SizeX = comp->m_positionX; // Min X
 }
 
 // SHEET SIZE CALCULATION
 m_SizeY = -m_SizeY; // it is in absolute units
 m_SizeX += 10000;
 m_SizeY += 10000;
 
 // A4 is minimum $Descr A4 11700 8267
 if( m_SizeX < 11700 )
 m_SizeX = 11700;
 
 if( m_SizeY < 8267 )
 m_SizeY = 8267;
 }
 else
 {
 // LIBRARY FILE
 // aStatusBar->SetStatusText( wxT( "Processing LIBRARY FILE " ) );
 
 aNode = FindNode( (XNODE *)aXmlDoc->GetRoot(), wxT( "library" ) );
 
 if( aNode )
 {
 aNode = FindNode( aNode, wxT( "compDef" ) );
 
 while( aNode )
 {
 // aStatusBar->SetStatusText( wxT( "Processing COMPONENTS " ) );
 
 if( aNode->GetName().IsSameAs( wxT( "compDef" ), false ) )
 {
 footprint = new PCB_FOOTPRINT( this, m_board );
 footprint->Parse( aNode, aStatusBar, m_DefaultMeasurementUnit,
 aActualConversion );
 m_PcbComponents.Add( footprint );
 }
 
 aNode = aNode->GetNext();
 }
 }
 }
}
 
 
void PCB::AddToBoard()
{
 int i;
 PCB_NET* net;
 
 m_board->SetCopperLayerCount( m_layersStackup.size() );
 
 for( i = 0; i < (int) m_PcbNetlist.GetCount(); i++ )
 {
 net = m_PcbNetlist[i];
 
 m_board->Add( new NETINFO_ITEM( m_board, net->m_Name, net->m_NetCode ) );
 }
 
 for( i = 0; i < (int) m_PcbComponents.GetCount(); i++ )
 {
 m_PcbComponents[i]->AddToBoard();
 }
}
 
} // namespace PCAD2KICAD