eagle_parser.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <[email protected]>
 * Copyright (C) 2012-2023, 2024 KiCad Developers, see AUTHORS.txt for contributors.
 * Copyright (C) 2017 CERN.
 *
 * @author Alejandro García Montoro <[email protected]>
 *
 * 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 <io/eagle/eagle_parser.h>
 
#include <core/profile.h>
#include <io/io_base.h>
 
#include <string_utils.h>
#include <richio.h>
#include <trace_helpers.h>
#include <wx/log.h>
#include <wx/regex.h>
 
#include <functional>
#include <cstdio>
 
constexpr auto DEFAULT_ALIGNMENT = ETEXT::BOTTOM_LEFT;
 
 
wxString escapeName( const wxString& aNetName )
{
 wxString ret( aNetName );
 
 ret.Replace( "!", "~" );
 
 return ConvertToNewOverbarNotation( ret );
}
 
 
wxString interpretText( const wxString& aText )
{
 wxString token = aText;
 
 if( substituteVariable( &token ) )
 return token;
 
 wxString text;
 bool sectionOpen = false;
 
 for( wxString::size_type i = 0; i < aText.size(); i++ )
 {
 // Interpret escaped characters
 if( aText[ i ] == '\\' )
 {
 if( i + 1 != aText.size() )
 text.Append( aText[ i + 1 ] );
 
 i++;
 continue;
 }
 
 // Escape ~ for KiCAD
 if( aText[i] == '~' )
 {
 text.Append( '~' );
 text.Append( '~' );
 continue;
 }
 
 if( aText[ i ] == '!' )
 {
 if( sectionOpen )
 {
 text.Append( '~' );
 sectionOpen = false;
 continue;
 }
 
 static wxString escapeChars( wxT( " )]}'\"" ) );
 
 if( i + 1 != aText.size() && escapeChars.Find( aText[i + 1] ) == wxNOT_FOUND )
 {
 sectionOpen = true;
 text.Append( '~' );
 }
 else
 {
 text.Append( aText[ i ] );
 }
 
 continue;
 }
 
 if( aText[i] == ',' && sectionOpen )
 {
 text.Append( '~' );
 sectionOpen = false;
 }
 
 text.Append( aText[ i ] );
 }
 
 return text;
}
 
 
bool substituteVariable( wxString* aText )
{
 if( aText->StartsWith( '>' ) && aText->AfterFirst( ' ' ).IsEmpty() )
 {
 wxString token = aText->Upper();
 
 if ( token == wxT( ">NAME" ) ) *aText = wxT( "${REFERENCE}" );
 else if( token == wxT( ">VALUE" ) ) *aText = wxT( "${VALUE}" );
 else if( token == wxT( ">PART" ) ) *aText = wxT( "${REFERENCE}" );
 else if( token == wxT( ">GATE" ) ) *aText = wxT( "${UNIT}" );
 else if( token == wxT( ">MODULE" ) ) *aText = wxT( "${FOOTPRINT_NAME}" );
 else if( token == wxT( ">SHEETNR" ) ) *aText = wxT( "${#}" );
 else if( token == wxT( ">SHEETS" ) ) *aText = wxT( "${##}" );
 else if( token == wxT( ">SHEET" ) ) *aText = wxT( "${#}/${##}" );
 else if( token == wxT( ">SHEETNR_TOTAL" ) ) *aText = wxT( "${#}" );
 else if( token == wxT( ">SHEETS_TOTAL" ) ) *aText = wxT( "${##}" );
 else if( token == wxT( ">SHEET_TOTAL" ) ) *aText = wxT( "${#}/${##}" );
 else if( token == wxT( ">SHEET_HEADLINE" ) ) *aText = wxT( "${SHEETNAME}" );
 else if( token == wxT( ">ASSEMBLY_VARIANT" ) ) *aText = wxT( "${ASSEMBLY_VARIANT}" );
 else if( token == wxT( ">DRAWING_NAME" ) ) *aText = wxT( "${PROJECTNAME}" );
 else if( token == wxT( ">LAST_DATE_TIME" ) ) *aText = wxT( "${CURRENT_DATE}" );
 else if( token == wxT( ">PLOT_DATE_TIME" ) ) *aText = wxT( "${CURRENT_DATE}" );
 else *aText = wxString::Format( wxS( "${%s}" ), aText->Mid( 1 ).Trim() );
 
 return true;
 }
 
 return false;
}
 
 
wxString convertDescription( wxString aDescr )
{
 aDescr.Replace( wxS( "\n" ), wxS( " " ) );
 aDescr.Replace( wxS( "\r" ), wxEmptyString );
 
 wxRegEx( wxS( "<a\\s+(?:[^>]*?\\s+)?href=\"([^\"]*)\"[^>]*>" ) )
 .ReplaceAll( &aDescr, wxS( "\\1 " ) );
 
 aDescr.Replace( wxS( "<p>" ), wxS( "\n\n" ) );
 aDescr.Replace( wxS( "</p>" ), wxS( "\n\n" ) );
 
 aDescr.Replace( wxS( "<br>" ), wxS( "\n" ) );
 aDescr.Replace( wxS( "<ul>" ), wxS( "\n" ) );
 aDescr.Replace( wxS( "</ul>" ), wxS( "\n\n" ) );
 aDescr.Replace( wxS( "<li></li>" ), wxS( "\n" ) );
 aDescr.Replace( wxS( "<li>" ), wxS( "\n \u2022 " ) ); // Bullet point
 
 aDescr = RemoveHTMLTags( aDescr );
 
 wxRegEx( wxS( "\n +" ) ).ReplaceAll( &aDescr, wxS( "\n" ) );
 wxRegEx( wxS( " +\n" ) ).ReplaceAll( &aDescr, wxS( "\n" ) );
 
 wxRegEx( wxS( "\n{3,}" ) ).ReplaceAll( &aDescr, wxS( "\n\n" ) );
 wxRegEx( wxS( "^\n+" ) ).ReplaceAll( &aDescr, wxEmptyString );
 wxRegEx( wxS( "\n+$" ) ).ReplaceAll( &aDescr, wxEmptyString );
 
 return aDescr;
}
 
 
size_t GetNodeCount( const wxXmlNode* aNode )
{
 size_t cnt = 0;
 
 PROF_TIMER timer;
 
 std::function<size_t( const wxXmlNode* )> countNodes =
 [&]( const wxXmlNode* node )
 {
 size_t count = 0;
 
 while( node )
 {
 if( const wxXmlNode* child = node->GetChildren() )
 count += countNodes( child );
 else
 count++;
 
 node = node->GetNext();
 }
 
 return count;
 };
 
 cnt = countNodes( aNode );
 
 timer.Stop();
 
 wxLogTrace( traceEagleIo, wxS( "XML node '%s' count = %zu took %0.4f ms." ),
 aNode->GetName(), cnt, timer.msecs() );
 
 return cnt;
}
 
 
template<> template<>
OPTIONAL_XML_ATTRIBUTE<wxString>::OPTIONAL_XML_ATTRIBUTE( wxString aData )
{
 m_isAvailable = !aData.IsEmpty();
 
 if( m_isAvailable )
 Set( aData );
}
 
 
ECOORD::ECOORD( const wxString& aValue, enum ECOORD::EAGLE_UNIT aUnit )
{
 // This array is used to adjust the fraction part value basing on the number of digits
 // in the fraction.
 constexpr int DIVIDERS[] = { 1, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000 };
 constexpr unsigned int DIVIDERS_MAX_IDX = sizeof( DIVIDERS ) / sizeof( DIVIDERS[0] ) - 1;
 
 int integer, fraction, pre_fraction, post_fraction;
 
 // The following check is needed to handle correctly negative fractions where the integer
 // part == 0.
 bool negative = ( aValue[0] == '-' );
 
 // %n is used to find out how many digits contains the fraction part, e.g. 0.001 contains 3
 // digits.
 int ret = sscanf( aValue.c_str(), "%d.%n%d%n", &integer, &pre_fraction, &fraction,
 &post_fraction );
 
 if( ret == 0 )
 throw XML_PARSER_ERROR( "Invalid coordinate" );
 
 // process the integer part
 value = ConvertToNm( integer, aUnit );
 
 // process the fraction part
 if( ret == 2 )
 {
 int digits = post_fraction - pre_fraction;
 
 // adjust the number of digits if necessary as we cannot handle anything smaller than
 // nanometers (rounding).
 if( (unsigned) digits > DIVIDERS_MAX_IDX )
 {
 int diff = digits - DIVIDERS_MAX_IDX;
 digits = DIVIDERS_MAX_IDX;
 fraction /= DIVIDERS[diff];
 }
 
 int frac_value = ConvertToNm( fraction, aUnit ) / DIVIDERS[digits];
 
 // keep the sign in mind
 value = negative ? value - frac_value : value + frac_value;
 }
}
 
 
long long int ECOORD::ConvertToNm( int aValue, enum EAGLE_UNIT aUnit )
{
 long long int ret;
 
 switch( aUnit )
 {
 default:
 case EU_NM: ret = aValue; break;
 case EU_MM: ret = (long long) aValue * 1000000; break;
 case EU_INCH: ret = (long long) aValue * 25400000; break;
 case EU_MIL: ret = (long long) aValue * 25400; break;
 }
 
 if( ( ret > 0 ) != ( aValue > 0 ) )
 wxLogError( _( "Invalid size %lld: too large" ), aValue );
 
 return ret;
}
 
 
// Template specializations below parse wxString to the used types:
// - wxString (preferred)
// - string
// - double
// - int
// - bool
// - EROT
// - ECOORD
 
template <>
wxString Convert<wxString>( const wxString& aValue )
{
 return aValue;
}
 
 
template <>
std::string Convert<std::string>( const wxString& aValue )
{
 return std::string( aValue.ToUTF8() );
}
 
 
template <>
double Convert<double>( const wxString& aValue )
{
 double value;
 
 if( aValue.ToCDouble( &value ) )
 return value;
 else
 throw XML_PARSER_ERROR( "Conversion to double failed. Original value: '" +
 aValue.ToStdString() + "'." );
}
 
 
template <>
int Convert<int>( const wxString& aValue )
{
 if( aValue.IsEmpty() )
 throw XML_PARSER_ERROR( "Conversion to int failed. Original value is empty." );
 
 return wxAtoi( aValue );
}
 
 
template <>
bool Convert<bool>( const wxString& aValue )
{
 if( aValue != "yes" && aValue != "no" )
 throw XML_PARSER_ERROR( "Conversion to bool failed. Original value, '" +
 aValue.ToStdString() +
 "', is neither 'yes' nor 'no'." );
 
 return aValue == "yes";
}
 
 
template<>
EROT Convert<EROT>( const wxString& aRot )
{
 EROT value;
 
 value.spin = aRot.find( 'S' ) != aRot.npos;
 value.mirror = aRot.find( 'M' ) != aRot.npos;
 value.degrees = strtod( aRot.c_str()
 + 1 // skip leading 'R'
 + int( value.spin ) // skip optional leading 'S'
 + int( value.mirror ), // skip optional leading 'M'
 nullptr );
 
 return value;
}
 
 
template<>
ECOORD Convert<ECOORD>( const wxString& aCoord )
{
 // Eagle uses millimeters as the default unit
 return ECOORD( aCoord, ECOORD::EAGLE_UNIT::EU_MM );
}
 
 
template<typename T>
T parseRequiredAttribute( wxXmlNode* aNode, const wxString& aAttribute )
{
 wxString value;
 
 if( aNode->GetAttribute( aAttribute, &value ) )
 return Convert<T>( value );
 else
 throw XML_PARSER_ERROR( "The required attribute " + aAttribute + " is missing at "
 "line " + wxString::Format( "%d", aNode->GetLineNumber() ) +
 "." );
}
 
 
template<typename T>
OPTIONAL_XML_ATTRIBUTE<T> parseOptionalAttribute( wxXmlNode* aNode, const wxString& aAttribute )
{
 return OPTIONAL_XML_ATTRIBUTE<T>( aNode->GetAttribute( aAttribute ) );
}
 
 
NODE_MAP MapChildren( wxXmlNode* aCurrentNode )
{
 // Map node_name -> node_pointer
 NODE_MAP nodesMap;
 
 // Loop through all children mapping them in nodesMap
 if( aCurrentNode )
 aCurrentNode = aCurrentNode->GetChildren();
 
 while( aCurrentNode )
 {
 // Create a new pair in the map
 // key: current node name
 // value: current node pointer
 nodesMap[aCurrentNode->GetName()] = aCurrentNode;
 
 // Get next child
 aCurrentNode = aCurrentNode->GetNext();
 }
 
 return nodesMap;
}
 
 
VECTOR2I ConvertArcCenter( const VECTOR2I& aStart, const VECTOR2I& aEnd, double aAngle )
{
 // Eagle give us start and end.
 // S_ARC wants start to give the center, and end to give the start.
 double dx = aEnd.x - aStart.x, dy = aEnd.y - aStart.y;
 VECTOR2I mid = ( aStart + aEnd ) / 2;
 
 double dlen = sqrt( dx*dx + dy*dy );
 
 if( !std::isnormal( dlen ) || !std::isnormal( aAngle ) )
 {
 THROW_IO_ERROR( wxString::Format( _( "Invalid Arc with radius %f and angle %f" ),
 dlen,
 aAngle ) );
 }
 
 double dist = dlen / ( 2 * tan( DEG2RAD( aAngle ) / 2 ) );
 
 VECTOR2I center(
 mid.x + dist * ( dy / dlen ),
 mid.y - dist * ( dx / dlen )
 );
 
 return center;
}
 
 
static int parseAlignment( const wxString& aAlignment )
{
 // (bottom-left | bottom-center | bottom-right | center-left |
 // center | center-right | top-left | top-center | top-right)
 if( aAlignment == "center" )
 return ETEXT::CENTER;
 else if( aAlignment == "center-right" )
 return ETEXT::CENTER_RIGHT;
 else if( aAlignment == "top-left" )
 return ETEXT::TOP_LEFT;
 else if( aAlignment == "top-center" )
 return ETEXT::TOP_CENTER;
 else if( aAlignment == "top-right" )
 return ETEXT::TOP_RIGHT;
 else if( aAlignment == "bottom-left" )
 return ETEXT::BOTTOM_LEFT;
 else if( aAlignment == "bottom-center" )
 return ETEXT::BOTTOM_CENTER;
 else if( aAlignment == "bottom-right" )
 return ETEXT::BOTTOM_RIGHT;
 else if( aAlignment == "center-left" )
 return ETEXT::CENTER_LEFT;
 
 return DEFAULT_ALIGNMENT;
}
 
 
void EAGLE_BASE::Report( const wxString& aMsg, SEVERITY aSeverity )
{
 if( !io )
 return;
 
 io->Report( aMsg, aSeverity );
}
 
 
void EAGLE_BASE::AdvanceProgressPhase()
{
 if( !io )
 return;
 
 io->AdvanceProgressPhase();
}
 
 
EWIRE::EWIRE( wxXmlNode* aWire, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT wire EMPTY>
 * <!ATTLIST wire
 * x1 %Coord; #REQUIRED
 * y1 %Coord; #REQUIRED
 * x2 %Coord; #REQUIRED
 * y2 %Coord; #REQUIRED
 * width %Dimension; #REQUIRED
 * layer %Layer; #REQUIRED
 * extent %Extent; #IMPLIED -- only applicable for airwires --
 * style %WireStyle; "continuous"
 * curve %WireCurve; "0"
 * cap %WireCap; "round" -- only applicable if 'curve' is not zero --
 * >
 */
 
 x1 = parseRequiredAttribute<ECOORD>( aWire, "x1" );
 y1 = parseRequiredAttribute<ECOORD>( aWire, "y1" );
 x2 = parseRequiredAttribute<ECOORD>( aWire, "x2" );
 y2 = parseRequiredAttribute<ECOORD>( aWire, "y2" );
 width = parseRequiredAttribute<ECOORD>( aWire, "width" );
 layer = parseRequiredAttribute<int>( aWire, "layer" );
 curve = parseOptionalAttribute<double>( aWire, "curve" );
 
 opt_wxString s = parseOptionalAttribute<wxString>( aWire, "style" );
 
 if( s == "continuous" )
 style = EWIRE::CONTINUOUS;
 else if( s == "longdash" )
 style = EWIRE::LONGDASH;
 else if( s == "shortdash" )
 style = EWIRE::SHORTDASH;
 else if( s == "dashdot" )
 style = EWIRE::DASHDOT;
 
 s = parseOptionalAttribute<wxString>( aWire, "cap" );
 
 if( s == "round" )
 cap = EWIRE::ROUND;
 else if( s == "flat" )
 cap = EWIRE::FLAT;
 
 AdvanceProgressPhase();
}
 
 
ESEGMENT::ESEGMENT( wxXmlNode* aSegment, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT segment (pinref | portref | wire | junction | label | probe)*>
 * <!-- 'pinref' and 'junction' are only valid in a <net> context -->
 */
 for( wxXmlNode* child = aSegment->GetChildren(); child; child = child->GetNext() )
 {
 if( child->GetName() == "pinref" )
 pinRefs.emplace_back( std::make_unique<EPINREF>( child, aIo ) );
 else if( child->GetName() == "portref" )
 portRefs.emplace_back( std::make_unique<EPORTREF>( child, aIo ) );
 else if( child->GetName() == "wire" )
 wires.emplace_back( std::make_unique<EWIRE>( child, aIo ) );
 else if( child->GetName() == "junction" )
 junctions.emplace_back( std::make_unique<EJUNCTION>( child, aIo ) );
 else if( child->GetName() == "label" )
 labels.emplace_back( std::make_unique<ELABEL>( child, aIo ) );
 else if( child->GetName() == "probe" )
 probes.emplace_back( std::make_unique<EPROBE>( child, aIo ) );
 }
 
 AdvanceProgressPhase();
}
 
 
EBUS::EBUS( wxXmlNode* aBus, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT bus (segment)*>
 * <!ATTLIST bus
 * name %String; #REQUIRED
 * >
 */
 name = parseRequiredAttribute<wxString>( aBus, "name" );
 
 for( wxXmlNode* child = aBus->GetChildren(); child; child = child->GetNext() )
 {
 if( child->GetName() == "segment" )
 segments.emplace_back( std::make_unique<ESEGMENT>( child, aIo ) );
 }
 
 AdvanceProgressPhase();
}
 
 
EJUNCTION::EJUNCTION( wxXmlNode* aJunction, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT junction EMPTY>
 * <!ATTLIST junction
 * x %Coord; #REQUIRED
 * y %Coord; #REQUIRED
 * >
 */
 
 x = parseRequiredAttribute<ECOORD>( aJunction, "x" );
 y = parseRequiredAttribute<ECOORD>( aJunction, "y" );
 
 AdvanceProgressPhase();
}
 
 
ELABEL::ELABEL( wxXmlNode* aLabel, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT label EMPTY>
 * <!ATTLIST label
 * x %Coord; #REQUIRED
 * y %Coord; #REQUIRED
 * size %Dimension; #REQUIRED
 * layer %Layer; #REQUIRED
 * font %TextFont; "proportional"
 * ratio %Int; "8"
 * rot %Rotation; "R0"
 * xref %Bool; "no"
 * align %Align; "bottom-left"
 * grouprefs IDREFS #IMPLIED
 * >
 * <!-- rot: Only 0, 90, 180 or 270 -->
 * <!-- xref: Only in <net> context -->
 */
 x = parseRequiredAttribute<ECOORD>( aLabel, "x" );
 y = parseRequiredAttribute<ECOORD>( aLabel, "y" );
 size = parseRequiredAttribute<ECOORD>( aLabel, "size" );
 layer = parseRequiredAttribute<int>( aLabel, "layer" );
 font = parseOptionalAttribute<wxString>( aLabel, "font" );
 ratio = parseOptionalAttribute<int>( aLabel, "ratio" );
 rot = parseOptionalAttribute<EROT>( aLabel, "rot" );
 xref = parseOptionalAttribute<wxString>( aLabel, "xref" );
 align = parseOptionalAttribute<wxString>( aLabel, "align" );
 
 AdvanceProgressPhase();
}
 
 
ENET::ENET( wxXmlNode* aNet, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT net (segment)*>
 * <!ATTLIST net
 * name %String; #REQUIRED
 * class %Class; "0"
 * >
 */
 netname = parseRequiredAttribute<wxString>( aNet, "name" );
 netcode = parseRequiredAttribute<int>( aNet, "class" );
 
 for( wxXmlNode* segment = aNet->GetChildren(); segment; segment = segment->GetNext() )
 segments.emplace_back( std::make_unique<ESEGMENT>( segment ) );
 
 AdvanceProgressPhase();
}
 
 
EVIA::EVIA( wxXmlNode* aVia, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT via EMPTY>
 * <!ATTLIST via
 * x %Coord; #REQUIRED
 * y %Coord; #REQUIRED
 * extent %Extent; #REQUIRED
 * drill %Dimension; #REQUIRED
 * diameter %Dimension; "0"
 * shape %ViaShape; "round"
 * alwaysstop %Bool; "no"
 * >
 */
 
 x = parseRequiredAttribute<ECOORD>( aVia, "x" );
 y = parseRequiredAttribute<ECOORD>( aVia, "y" );
 
 wxString ext = parseRequiredAttribute<wxString>( aVia, "extent" );
 sscanf( ext.c_str(), "%d-%d", &layer_front_most, &layer_back_most );
 
 drill = parseRequiredAttribute<ECOORD>( aVia, "drill" );
 diam = parseOptionalAttribute<ECOORD>( aVia, "diameter" );
 shape = parseOptionalAttribute<wxString>( aVia, "shape" );
 
 AdvanceProgressPhase();
}
 
 
ECIRCLE::ECIRCLE( wxXmlNode* aCircle, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT circle EMPTY>
 * <!ATTLIST circle
 * x %Coord; #REQUIRED
 * y %Coord; #REQUIRED
 * radius %Coord; #REQUIRED
 * width %Dimension; #REQUIRED
 * layer %Layer; #REQUIRED
 * >
 */
 
 x = parseRequiredAttribute<ECOORD>( aCircle, "x" );
 y = parseRequiredAttribute<ECOORD>( aCircle, "y" );
 radius = parseRequiredAttribute<ECOORD>( aCircle, "radius" );
 width = parseRequiredAttribute<ECOORD>( aCircle, "width" );
 layer = parseRequiredAttribute<int>( aCircle, "layer" );
 
 AdvanceProgressPhase();
}
 
 
ERECT::ERECT( wxXmlNode* aRect, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT rectangle EMPTY>
 * <!ATTLIST rectangle
 * x1 %Coord; #REQUIRED
 * y1 %Coord; #REQUIRED
 * x2 %Coord; #REQUIRED
 * y2 %Coord; #REQUIRED
 * layer %Layer; #REQUIRED
 * rot %Rotation; "R0"
 * >
 */
 
 x1 = parseRequiredAttribute<ECOORD>( aRect, "x1" );
 y1 = parseRequiredAttribute<ECOORD>( aRect, "y1" );
 x2 = parseRequiredAttribute<ECOORD>( aRect, "x2" );
 y2 = parseRequiredAttribute<ECOORD>( aRect, "y2" );
 layer = parseRequiredAttribute<int>( aRect, "layer" );
 rot = parseOptionalAttribute<EROT>( aRect, "rot" );
 
 AdvanceProgressPhase();
}
 
 
EDESCRIPTION::EDESCRIPTION( wxXmlNode* aDescription, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT description (#PCDATA)>
 * <!ATTLIST description
 * language %String; "en"
 * >
 */
 
 text = aDescription->GetNodeContent();
 language = parseOptionalAttribute<wxString>( aDescription, "language" );
 
 AdvanceProgressPhase();
}
 
 
EATTR::EATTR( wxXmlNode* aTree, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT attribute EMPTY>
 * <!ATTLIST attribute
 * name %String; #REQUIRED
 * value %String; #IMPLIED
 * x %Coord; #IMPLIED
 * y %Coord; #IMPLIED
 * size %Dimension; #IMPLIED
 * layer %Layer; #IMPLIED
 * font %TextFont; #IMPLIED
 * ratio %Int; #IMPLIED
 * rot %Rotation; "R0"
 * display %AttributeDisplay; "value" -- only in <element> or <instance> context --
 * constant %Bool; "no" -- only in <device> context --
 * >
 */
 
 name = parseRequiredAttribute<wxString>( aTree, "name" );
 value = parseOptionalAttribute<wxString>( aTree, "value" );
 
 x = parseOptionalAttribute<ECOORD>( aTree, "x" );
 y = parseOptionalAttribute<ECOORD>( aTree, "y" );
 size = parseOptionalAttribute<ECOORD>( aTree, "size" );
 
 layer = parseOptionalAttribute<int>( aTree, "layer" );
 ratio = parseOptionalAttribute<double>( aTree, "ratio" );
 rot = parseOptionalAttribute<EROT>( aTree, "rot" );
 
 opt_wxString stemp = parseOptionalAttribute<wxString>( aTree, "display" );
 
 // (off | value | name | both)
 if( stemp == "off" )
 display = EATTR::Off;
 else if( stemp == "name" )
 display = EATTR::NAME;
 else if( stemp == "both" )
 display = EATTR::BOTH;
 else // "value" is the default
 display = EATTR::VALUE;
 
 stemp = parseOptionalAttribute<wxString>( aTree, "align" );
 
 align = stemp ? parseAlignment( *stemp ) : DEFAULT_ALIGNMENT;
 
 AdvanceProgressPhase();
}
 
 
EPINREF::EPINREF( wxXmlNode* aPinRef, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT pinref EMPTY>
 * <!ATTLIST pinref
 * part %String; #REQUIRED
 * gate %String; #REQUIRED
 * pin %String; #REQUIRED
 * >
 */
 part = parseRequiredAttribute<wxString>( aPinRef, "part" );
 gate = parseRequiredAttribute<wxString>( aPinRef, "gate" );
 pin = parseRequiredAttribute<wxString>( aPinRef, "pin" );
 
 AdvanceProgressPhase();
}
 
 
EPORTREF::EPORTREF( wxXmlNode* aPortRef, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT portref EMPTY>
 * <!ATTLIST portref
 * moduleinst %String; #REQUIRED
 * port %String; #REQUIRED
 * >
 */
 moduleinst = parseRequiredAttribute<wxString>( aPortRef, "moduleinst" );
 port = parseRequiredAttribute<wxString>( aPortRef, "port" );
 
 AdvanceProgressPhase();
}
 
 
EPROBE::EPROBE( wxXmlNode* aProbe, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT probe EMPTY>
 * <!ATTLIST probe
 * x %Coord; #REQUIRED
 * y %Coord; #REQUIRED
 * size %Dimension; #REQUIRED
 * layer %Layer; #REQUIRED
 * font %TextFont; "proportional"
 * ratio %Int; "8"
 * rot %Rotation; "R0"
 * xref %Bool; "no"
 * grouprefs IDREFS #IMPLIED
 * >
 * <!-- rot: Only 0, 90, 180 or 270 -->
 * <!-- xref: Only in <net> context -->
 */
 x = parseRequiredAttribute<ECOORD>( aProbe, "x" );
 y = parseRequiredAttribute<ECOORD>( aProbe, "y" );
 size = parseRequiredAttribute<double>( aProbe, "size" );
 layer = parseRequiredAttribute<int>( aProbe, "layer" );
 font = parseOptionalAttribute<wxString>( aProbe, "font" );
 ratio = parseOptionalAttribute<int>( aProbe, "ratio" );
 rot = parseOptionalAttribute<EROT>( aProbe, "rot" );
 xref = parseOptionalAttribute<bool>( aProbe, "xref" );
 
 AdvanceProgressPhase();
}
 
 
EDIMENSION::EDIMENSION( wxXmlNode* aDimension, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT dimension EMPTY>
 * <!ATTLIST dimension
 * x1 %Coord; #REQUIRED
 * y1 %Coord; #REQUIRED
 * x2 %Coord; #REQUIRED
 * y2 %Coord; #REQUIRED
 * x3 %Coord; #REQUIRED
 * y3 %Coord; #REQUIRED
 * textsize %Coord;
 * layer %Layer; #REQUIRED
 * dtype %DimensionType; "parallel"
 * >
 */
 
 x1 = parseRequiredAttribute<ECOORD>( aDimension, wxT( "x1" ) );
 y1 = parseRequiredAttribute<ECOORD>( aDimension, wxT( "y1" ) );
 x2 = parseRequiredAttribute<ECOORD>( aDimension, wxT( "x2" ) );
 y2 = parseRequiredAttribute<ECOORD>( aDimension, wxT( "y2" ) );
 x3 = parseRequiredAttribute<ECOORD>( aDimension, wxT( "x3" ) );
 y3 = parseRequiredAttribute<ECOORD>( aDimension, wxT( "y3" ) );
 textsize = parseOptionalAttribute<ECOORD>( aDimension, wxT( "textsize" ) );
 layer = parseRequiredAttribute<int>( aDimension, wxT( "layer" ) );
 dimensionType = parseOptionalAttribute<wxString>( aDimension, wxT( "dtype" ) );
 
 AdvanceProgressPhase();
}
 
 
ETEXT::ETEXT( wxXmlNode* aText, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 <!ELEMENT text (#PCDATA)>
 <!ATTLIST text
 x %Coord; #REQUIRED
 y %Coord; #REQUIRED
 size %Dimension; #REQUIRED
 layer %Layer; #REQUIRED
 font %TextFont; "proportional"
 ratio %Int; "8"
 rot %Rotation; "R0"
 align %Align; "bottom-left"
 >
 */
 
 text = aText->GetNodeContent();
 x = parseRequiredAttribute<ECOORD>( aText, "x" );
 y = parseRequiredAttribute<ECOORD>( aText, "y" );
 size = parseRequiredAttribute<ECOORD>( aText, "size" );
 layer = parseRequiredAttribute<int>( aText, "layer" );
 
 font = parseOptionalAttribute<wxString>( aText, "font" );
 ratio = parseOptionalAttribute<double>( aText, "ratio" );
 rot = parseOptionalAttribute<EROT>( aText, "rot" );
 
 opt_wxString stemp = parseOptionalAttribute<wxString>( aText, "align" );
 
 align = stemp ? parseAlignment( *stemp ) : DEFAULT_ALIGNMENT;
 
 AdvanceProgressPhase();
}
 
 
VECTOR2I ETEXT::ConvertSize() const
{
 VECTOR2I textsize;
 
 if( font )
 {
 const wxString& fontName = font.CGet();
 
 if( fontName == "vector" )
 {
 textsize = VECTOR2I( size.ToSchUnits(), size.ToSchUnits() );
 }
 else if( fontName == "fixed" )
 {
 textsize = VECTOR2I( size.ToSchUnits(), size.ToSchUnits() * 0.80 );
 }
 else
 {
 textsize = VECTOR2I( size.ToSchUnits(), size.ToSchUnits() );
 }
 }
 else
 {
 textsize = VECTOR2I( size.ToSchUnits() * 0.85, size.ToSchUnits() );
 }
 
 return textsize;
}
 
 
EFRAME::EFRAME( wxXmlNode* aFrameNode, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT frame EMPTY>
 * <!ATTLIST frame
 * x1 %Coord; #REQUIRED
 * y1 %Coord; #REQUIRED
 * x2 %Coord; #REQUIRED
 * y2 %Coord; #REQUIRED
 * columns %Int; #REQUIRED
 * rows %Int; #REQUIRED
 * layer %Layer; #REQUIRED
 * border-left %Bool; "yes"
 * border-top %Bool; "yes"
 * border-right %Bool; "yes"
 * border-bottom %Bool; "yes"
 * >
 */
 border_left = true;
 border_top = true;
 border_right = true;
 border_bottom = true;
 
 x1 = parseRequiredAttribute<ECOORD>( aFrameNode, "x1" );
 y1 = parseRequiredAttribute<ECOORD>( aFrameNode, "y1" );
 x2 = parseRequiredAttribute<ECOORD>( aFrameNode, "x2" );
 y2 = parseRequiredAttribute<ECOORD>( aFrameNode, "y2" );
 columns = parseRequiredAttribute<int>( aFrameNode, "columns" );
 rows = parseRequiredAttribute<int>( aFrameNode, "rows" );
 layer = parseRequiredAttribute<int>( aFrameNode, "layer" );
 border_left = parseOptionalAttribute<bool>( aFrameNode, "border-left" );
 border_top = parseOptionalAttribute<bool>( aFrameNode, "border-top" );
 border_right = parseOptionalAttribute<bool>( aFrameNode, "border-right" );
 border_bottom = parseOptionalAttribute<bool>( aFrameNode, "border-bottom" );
 
 AdvanceProgressPhase();
}
 
 
EPAD_COMMON::EPAD_COMMON( wxXmlNode* aPad, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 // #REQUIRED says DTD, throw exception if not found
 name = parseRequiredAttribute<wxString>( aPad, "name" );
 x = parseRequiredAttribute<ECOORD>( aPad, "x" );
 y = parseRequiredAttribute<ECOORD>( aPad, "y" );
 rot = parseOptionalAttribute<EROT>( aPad, "rot" );
 stop = parseOptionalAttribute<bool>( aPad, "stop" );
 thermals = parseOptionalAttribute<bool>( aPad, "thermals" );
}
 
 
EPAD::EPAD( wxXmlNode* aPad, IO_BASE* aIo ) :
 EPAD_COMMON( aPad, aIo )
{
 /*
 <!ELEMENT pad EMPTY>
 <!ATTLIST pad
 name %String; #REQUIRED
 x %Coord; #REQUIRED
 y %Coord; #REQUIRED
 drill %Dimension; #REQUIRED
 diameter %Dimension; "0"
 shape %PadShape; "round"
 rot %Rotation; "R0"
 stop %Bool; "yes"
 thermals %Bool; "yes"
 first %Bool; "no"
 >
 */
 
 // #REQUIRED says DTD, throw exception if not found
 drill = parseRequiredAttribute<ECOORD>( aPad, "drill" );
 
 // Optional attributes
 diameter = parseOptionalAttribute<ECOORD>( aPad, "diameter" );
 
 opt_wxString s = parseOptionalAttribute<wxString>( aPad, "shape" );
 
 // (square | round | octagon | long | offset)
 if( s == "square" )
 shape = EPAD::SQUARE;
 else if( s == "round" )
 shape = EPAD::ROUND;
 else if( s == "octagon" )
 shape = EPAD::OCTAGON;
 else if( s == "long" )
 shape = EPAD::LONG;
 else if( s == "offset" )
 shape = EPAD::OFFSET;
 
 first = parseOptionalAttribute<bool>( aPad, "first" );
 
 AdvanceProgressPhase();
}
 
 
ESMD::ESMD( wxXmlNode* aSMD, IO_BASE* aIo ) :
 EPAD_COMMON( aSMD, aIo )
{
 /*
 <!ATTLIST smd
 name %String; #REQUIRED
 x %Coord; #REQUIRED
 y %Coord; #REQUIRED
 dx %Dimension; #REQUIRED
 dy %Dimension; #REQUIRED
 layer %Layer; #REQUIRED
 roundness %Int; "0"
 rot %Rotation; "R0"
 stop %Bool; "yes"
 thermals %Bool; "yes"
 cream %Bool; "yes"
 >
 */
 
 // DTD #REQUIRED, throw exception if not found
 dx = parseRequiredAttribute<ECOORD>( aSMD, "dx" );
 dy = parseRequiredAttribute<ECOORD>( aSMD, "dy" );
 layer = parseRequiredAttribute<int>( aSMD, "layer" );
 
 roundness = parseOptionalAttribute<int>( aSMD, "roundness" );
 cream = parseOptionalAttribute<bool>( aSMD, "cream" );
 
 AdvanceProgressPhase();
}
 
 
EPIN::EPIN( wxXmlNode* aPin, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 <!ELEMENT pin EMPTY>
 <!ATTLIST pin
 name %String; #REQUIRED
 x %Coord; #REQUIRED
 y %Coord; #REQUIRED
 visible %PinVisible; "both"
 length %PinLength; "long"
 direction %PinDirection; "io"
 function %PinFunction; "none"
 swaplevel %Int; "0"
 rot %Rotation; "R0"
 >
 */
 
 // DTD #REQUIRED, throw exception if not found
 name = parseRequiredAttribute<wxString>( aPin, "name" );
 x = parseRequiredAttribute<ECOORD>( aPin, "x" );
 y = parseRequiredAttribute<ECOORD>( aPin, "y" );
 
 visible = parseOptionalAttribute<wxString>( aPin, "visible" );
 length = parseOptionalAttribute<wxString>( aPin, "length" );
 direction = parseOptionalAttribute<wxString>( aPin, "direction" );
 function = parseOptionalAttribute<wxString>( aPin, "function" );
 swaplevel = parseOptionalAttribute<int>( aPin, "swaplevel" );
 rot = parseOptionalAttribute<EROT>( aPin, "rot" );
 
 AdvanceProgressPhase();
}
 
 
EVERTEX::EVERTEX( wxXmlNode* aVertex, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT vertex EMPTY>
 * <!ATTLIST vertex
 * x %Coord; #REQUIRED
 * y %Coord; #REQUIRED
 * curve %WireCurve; "0" -- the curvature from this vertex to the next one --
 * >
 */
 
 x = parseRequiredAttribute<ECOORD>( aVertex, "x" );
 y = parseRequiredAttribute<ECOORD>( aVertex, "y" );
 curve = parseOptionalAttribute<double>( aVertex, "curve" );
 
 AdvanceProgressPhase();
}
 
 
EPOLYGON::EPOLYGON( wxXmlNode* aPolygon, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT polygon (vertex)*>
 * <!-- the vertices must define a valid polygon; if the last vertex is the same
 * as the first one, it is ignored -->
 * <!ATTLIST polygon
 * width %Dimension; #REQUIRED
 * layer %Layer; #REQUIRED
 * spacing %Dimension; #IMPLIED
 * pour %PolygonPour; "solid"
 * isolate %Dimension; #IMPLIED
 * orphans %Bool; "no"
 * thermals %Bool; "yes"
 * rank %Int; "0"
 * grouprefs IDREFS #IMPLIED
 * >
 * <!-- isolate: Only in <signal> or <package> context -->
 * <!-- orphans: Only in <signal> context -->
 * <!-- thermals:Only in <signal> context -->
 * <!-- rank: 1..6 in <signal> context, 0 or 7 in <package> context -->
 */
 
 width = parseRequiredAttribute<ECOORD>( aPolygon, "width" );
 layer = parseRequiredAttribute<int>( aPolygon, "layer" );
 
 spacing = parseOptionalAttribute<ECOORD>( aPolygon, "spacing" );
 isolate = parseOptionalAttribute<ECOORD>( aPolygon, "isolate" );
 opt_wxString s = parseOptionalAttribute<wxString>( aPolygon, "pour" );
 
 // default pour to solid fill
 pour = EPOLYGON::SOLID;
 
 // (solid | hatch | cutout)
 if( s == "hatch" )
 pour = EPOLYGON::HATCH;
 else if( s == "cutout" )
 pour = EPOLYGON::CUTOUT;
 
 orphans = parseOptionalAttribute<bool>( aPolygon, "orphans" );
 thermals = parseOptionalAttribute<bool>( aPolygon, "thermals" );
 rank = parseOptionalAttribute<int>( aPolygon, "rank" );
 
 for( wxXmlNode* child = aPolygon->GetChildren(); child; child = child->GetNext() )
 {
 if( child->GetName() == "vertex" )
 vertices.emplace_back( std::make_unique<EVERTEX>( child, aIo ) );
 }
 
 AdvanceProgressPhase();
}
 
 
ESPLINE::ESPLINE( wxXmlNode* aSpline, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT spline (vertex)*>
 * <!-- Four simple (non-curve) vertices define the control points of a degree-3 spline
 * curve -->
 * <!ATTLIST spline
 * width %Dimension; #REQUIRED
 * >
 */
 width = parseRequiredAttribute<double>( aSpline, "width" );
 
 for( wxXmlNode* child = aSpline->GetChildren(); child; child = child->GetNext() )
 {
 if( child->GetName() == "vertex" )
 vertices.emplace_back( std::make_unique<EVERTEX>( child, aIo ) );
 }
 
 AdvanceProgressPhase();
}
 
 
EVARIANT::EVARIANT( wxXmlNode* aVariant, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT variant EMPTY>
 * <!ATTLIST variant
 * name %String; #REQUIRED
 * populate %Bool; "yes"
 * value %String; #IMPLIED
 * technology %String; #IMPLIED
 * >
 * <!-- technology: Only in part context -->
 */
 name = parseRequiredAttribute<wxString>( aVariant, "name" );
 populate = parseOptionalAttribute<bool>( aVariant, "populate" );
 value = parseOptionalAttribute<wxString>( aVariant, "value" );
 technology = parseOptionalAttribute<wxString>( aVariant, "technology" );
 
 AdvanceProgressPhase();
}
 
 
EMODEL::EMODEL( wxXmlNode* aModel, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT model (#PCDATA)>
 * <!ATTLIST model
 * name %String; #REQUIRED
 * >
 */
 name = parseRequiredAttribute<wxString>( aModel, "name" );
 model = aModel->GetNodeContent();
 
 AdvanceProgressPhase();
}
 
 
EPINMAP::EPINMAP( wxXmlNode* aPinMap, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT pinmap EMPTY>
 * <!ATTLIST pinmap
 * gate %String; #REQUIRED
 * pin %String; #REQUIRED
 * pinorder %String; #REQUIRED
 * >
 */
 gate = parseRequiredAttribute<wxString>( aPinMap, "gate" );
 pin = parseRequiredAttribute<wxString>( aPinMap, "pin" );
 pinorder = parseRequiredAttribute<wxString>( aPinMap, "pinorder" );
 
 AdvanceProgressPhase();
}
 
 
EPINMAPPING::EPINMAPPING( wxXmlNode* aPinMapping, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT pinmapping (pinmap+)>
 * <!ATTLIST pinmapping
 * isusermap %Bool; "no"
 * iddevicewide %Bool; "yes"
 * spiceprefix %String; ""
 * >
 */
 isusermap = parseOptionalAttribute<bool>( aPinMapping, "isusermap" );
 iddevicewide = parseOptionalAttribute<bool>( aPinMapping, "iddevicewide" );
 spiceprefix = parseOptionalAttribute<wxString>( aPinMapping, "spiceprefix" );
 
 for( wxXmlNode* child = aPinMapping->GetChildren(); child; child = child->GetNext() )
 {
 if( child->GetName() == "pinmap" )
 pinmaps.emplace_back( std::make_unique<EPINMAP>( child, aIo ) );
 }
 
 AdvanceProgressPhase();
}
 
 
ESPICE::ESPICE( wxXmlNode* aSpice, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT spice (pinmapping, model)>
 */
 pinmapping = std::make_unique<EPINMAPPING>( aSpice );
 
 if( aSpice->GetName() == "model" )
 model = std::make_unique<EMODEL>( aSpice );
 
 AdvanceProgressPhase();
}
 
 
EHOLE::EHOLE( wxXmlNode* aHole, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 <!ELEMENT hole EMPTY>
 <!ATTLIST hole
 x %Coord; #REQUIRED
 y %Coord; #REQUIRED
 drill %Dimension; #REQUIRED
 >
 */
 
 // #REQUIRED:
 x = parseRequiredAttribute<ECOORD>( aHole, "x" );
 y = parseRequiredAttribute<ECOORD>( aHole, "y" );
 drill = parseRequiredAttribute<ECOORD>( aHole, "drill" );
 
 AdvanceProgressPhase();
}
 
 
EELEMENT::EELEMENT( wxXmlNode* aElement, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 <!ELEMENT element (attribute*, variant*)>
 <!ATTLIST element
 name %String; #REQUIRED
 library %String; #REQUIRED
 library_urn %Urn; ""
 package %String; #REQUIRED
 package3d_urn %Urn; ""
 override_package3d_urn %Urn; ""
 override_package_urn %Urn; ""
 override_locally_modified %Bool; "no"
 value %String; #REQUIRED
 x %Coord; #REQUIRED
 y %Coord; #REQUIRED
 locked %Bool; "no"
 populate %Bool; "yes"
 smashed %Bool; "no"
 rot %Rotation; "R0"
 grouprefs IDREFS #IMPLIED
 >
 */
 
 // #REQUIRED
 name = parseRequiredAttribute<wxString>( aElement, "name" );
 library = parseRequiredAttribute<wxString>( aElement, "library" );
 value = parseRequiredAttribute<wxString>( aElement, "value" );
 std::string p = parseRequiredAttribute<std::string>( aElement, "package" );
 ReplaceIllegalFileNameChars( &p, '_' );
 package = wxString::FromUTF8( p.c_str() );
 
 x = parseRequiredAttribute<ECOORD>( aElement, "x" );
 y = parseRequiredAttribute<ECOORD>( aElement, "y" );
 
 // optional
 library_urn = parseOptionalAttribute<wxString>( aElement, "library_urn" );
 locked = parseOptionalAttribute<bool>( aElement, "locked" );
 smashed = parseOptionalAttribute<bool>( aElement, "smashed" );
 rot = parseOptionalAttribute<EROT>( aElement, "rot" );
 
 for( wxXmlNode* child = aElement->GetChildren(); child; child = child->GetNext() )
 {
 if( child->GetName() == "attribute" )
 {
 std::unique_ptr<EATTR> attr = std::make_unique<EATTR>( child, aIo );
 attributes[ attr->name ] = std::move( attr );
 }
 else if( child->GetName() == "variant" )
 {
 std::unique_ptr<EVARIANT> variant = std::make_unique<EVARIANT>( child, aIo );
 variants[ variant->name ] = std::move( variant );
 }
 }
 
 AdvanceProgressPhase();
}
 
 
ELAYER::ELAYER( wxXmlNode* aLayer, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 <!ELEMENT layer EMPTY>
 <!ATTLIST layer
 number %Layer; #REQUIRED
 name %String; #REQUIRED
 color %Int; #REQUIRED
 fill %Int; #REQUIRED
 visible %Bool; "yes"
 active %Bool; "yes"
 >
 */
 
 number = parseRequiredAttribute<int>( aLayer, "number" );
 name = parseRequiredAttribute<wxString>( aLayer, "name" );
 color = parseRequiredAttribute<int>( aLayer, "color" );
 fill = parseRequiredAttribute<int>( aLayer, "fill" );
 visible = parseOptionalAttribute<bool>( aLayer, "visible" );
 active = parseOptionalAttribute<bool>( aLayer, "active" );
 
 AdvanceProgressPhase();
}
 
 
EPART::EPART( wxXmlNode* aPart, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT part (attribute*, variant*)>
 * <!ATTLIST part
 * name %String; #REQUIRED
 * library %String; #REQUIRED
 * deviceset %String; #REQUIRED
 * device %String; #REQUIRED
 * technology %String; ""
 * value %String; #IMPLIED
 * >
 */
 name = parseRequiredAttribute<wxString>( aPart, "name" );
 library = parseRequiredAttribute<wxString>( aPart, "library" );
 libraryUrn = parseOptionalAttribute<wxString>( aPart, "library_urn" );
 deviceset = parseRequiredAttribute<wxString>( aPart, "deviceset" );
 device = parseRequiredAttribute<wxString>( aPart, "device" );
 package3d_urn = parseOptionalAttribute<wxString>( aPart, "package3d_urn" );
 override_package3d_urn = parseOptionalAttribute<wxString>( aPart, "override_package3d_urn" );
 override_package_urn = parseOptionalAttribute<wxString>( aPart, "override_package_urn" );
 override_locally_modified = parseOptionalAttribute<bool>( aPart, "override_locally_modified" );
 technology = parseOptionalAttribute<wxString>( aPart, "technology" );
 value = parseOptionalAttribute<wxString>( aPart, "value" );
 
 for( wxXmlNode* child = aPart->GetChildren(); child; child = child->GetNext() )
 {
 if( child->GetName() == "attribute" )
 {
 std::unique_ptr<EATTR> attr = std::make_unique<EATTR>( child, aIo );
 attributes[ attr->name ] = std::move( attr );
 }
 else if( child->GetName() == "variant" )
 {
 std::unique_ptr<EVARIANT> variant = std::make_unique<EVARIANT>( child, aIo );
 variants[ variant->name ] = std::move( variant );
 }
 else if( child->GetName() == "spice" )
 {
 spice = std::make_unique<ESPICE>( child, aIo );
 }
 }
 
 AdvanceProgressPhase();
}
 
 
EINSTANCE::EINSTANCE( wxXmlNode* aInstance, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT instance (attribute)*>
 * <!ATTLIST instance
 * part %String; #REQUIRED
 * gate %String; #REQUIRED
 * x %Coord; #REQUIRED
 * y %Coord; #REQUIRED
 * smashed %Bool; "no"
 * rot %Rotation; "R0"
 * >
 */
 part = parseRequiredAttribute<wxString>( aInstance, "part" );
 gate = parseRequiredAttribute<wxString>( aInstance, "gate" );
 
 x = parseRequiredAttribute<ECOORD>( aInstance, "x" );
 y = parseRequiredAttribute<ECOORD>( aInstance, "y" );
 
 // optional
 smashed = parseOptionalAttribute<bool>( aInstance, "smashed" );
 rot = parseOptionalAttribute<EROT>( aInstance, "rot" );
 
 for( wxXmlNode* child = aInstance->GetChildren(); child; child = child->GetNext() )
 {
 if( child->GetName() == "attribute" )
 {
 std::unique_ptr<EATTR> attr = std::make_unique<EATTR>( child, aIo );
 attributes[ attr->name ] = std::move( attr );
 }
 }
 
 AdvanceProgressPhase();
}
 
 
EGATE::EGATE( wxXmlNode* aGate, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT gate EMPTY>
 * <!ATTLIST gate
 * name %String; #REQUIRED
 * symbol %String; #REQUIRED
 * x %Coord; #REQUIRED
 * y %Coord; #REQUIRED
 * addlevel %GateAddLevel; "next"
 * swaplevel %Int; "0"
 * >
 */
 
 name = parseRequiredAttribute<wxString>( aGate, "name" );
 symbol = parseRequiredAttribute<wxString>( aGate, "symbol" );
 
 x = parseRequiredAttribute<ECOORD>( aGate, "x" );
 y = parseRequiredAttribute<ECOORD>( aGate, "y" );
 
 opt_wxString stemp = parseOptionalAttribute<wxString>( aGate, "addlevel" );
 
 // (off | value | name | both)
 if( stemp == "must" )
 addlevel = EGATE::MUST;
 else if( stemp == "can" )
 addlevel = EGATE::CAN;
 else if( stemp == "next" )
 addlevel = EGATE::NEXT;
 else if( stemp == "request" )
 addlevel = EGATE::REQUEST;
 else if( stemp == "always" )
 addlevel = EGATE::ALWAYS;
 else
 addlevel = EGATE::NEXT;
 
 swaplevel = parseOptionalAttribute<int>( aGate, "swaplevel" );
 
 AdvanceProgressPhase();
}
 
 
ECONNECT::ECONNECT( wxXmlNode* aConnect, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT connect EMPTY>
 * <!ATTLIST connect
 * gate %String; #REQUIRED
 * pin %String; #REQUIRED
 * pad %String; #REQUIRED
 * route %ContactRoute; "all"
 * >
 */
 gate = parseRequiredAttribute<wxString>( aConnect, "gate" );
 pin = parseRequiredAttribute<wxString>( aConnect, "pin" );
 pad = parseRequiredAttribute<wxString>( aConnect, "pad" );
 contactroute = parseOptionalAttribute<wxString>( aConnect, "contactroute" );
 
 AdvanceProgressPhase();
}
 
 
ETECHNOLOGY::ETECHNOLOGY( wxXmlNode* aTechnology, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT technology (attribute)*>
 * <!ATTLIST technology
 * name %String; #REQUIRED
 * >
 */
 name = parseRequiredAttribute<wxString>( aTechnology, "name" );
 
 for( wxXmlNode* child = aTechnology->GetChildren(); child; child = child->GetNext() )
 {
 if( child->GetName() == "attribute" )
 attributes.emplace_back( std::make_unique<EATTR>( child, aIo ) );
 }
 
 AdvanceProgressPhase();
}
 
 
EPACKAGE3DINST::EPACKAGE3DINST( wxXmlNode* aPackage3dInst, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT package3dinstance EMPTY>
 * <!ATTLIST package3dinstance
 * package3d_urn %Urn; #REQUIRED
 * >
 */
 package3d_urn = parseRequiredAttribute<wxString>( aPackage3dInst, "package3d_urn" );
 
 AdvanceProgressPhase();
}
 
 
EDEVICE::EDEVICE( wxXmlNode* aDevice, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT device (connects?, package3dinstances?, technologies?)>
 * <!ATTLIST device
 * name %String; ""
 * package %String; #IMPLIED
 */
 name = parseRequiredAttribute<wxString>( aDevice, "name" );
 opt_wxString pack = parseOptionalAttribute<wxString>( aDevice, "package" );
 
 if( pack )
 {
 std::string p( pack->c_str() );
 ReplaceIllegalFileNameChars( &p, '_' );
 package.Set( wxString::FromUTF8( p.c_str() ) );
 }
 
 for( wxXmlNode* child = aDevice->GetChildren(); child; child = child->GetNext() )
 {
 if( child->GetName() == "connects" )
 {
 for( wxXmlNode* connect = child->GetChildren(); connect; connect = connect->GetNext() )
 {
 if( connect->GetName() == "connect" )
 connects.emplace_back( std::make_unique<ECONNECT>( connect, aIo ) );
 }
 
 AdvanceProgressPhase();
 }
 else if( child->GetName() == "packages3dinstances" )
 {
 for( wxXmlNode* package3dinst = child->GetChildren(); package3dinst;
 package3dinst = package3dinst->GetNext() )
 {
 if( package3dinst->GetName() == "package3dinstance" )
 package3dinstances.emplace_back( std::make_unique<EPACKAGE3DINST>( package3dinst, aIo ) );
 }
 
 AdvanceProgressPhase();
 }
 else if( child->GetName() == "technologies" )
 {
 for( wxXmlNode* technology = child->GetChildren(); technology;
 technology = technology->GetNext() )
 {
 if( technology->GetName() == "technology" )
 technologies.emplace_back( std::make_unique<ETECHNOLOGY>( technology, aIo ) );
 }
 
 AdvanceProgressPhase();
 }
 }
 
 AdvanceProgressPhase();
}
 
 
EDEVICE_SET::EDEVICE_SET( wxXmlNode* aDeviceSet, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT deviceset (description?, gates, devices, spice?)>
 * <!ATTLIST deviceset
 * name %String; #REQUIRED
 * urn %Urn; ""
 * locally_modified %Bool; "no"
 * prefix %String; ""
 * uservalue %Bool; "no"
 * library_version %Int; ""
 * library_locally_modified %Bool; "no"
 * >
 * <!-- library_version and library_locally_modified: Only in managed libraries
 * inside boards or schematics -->
 */
 name = parseRequiredAttribute<wxString>( aDeviceSet, "name" );
 urn = parseOptionalAttribute<wxString>( aDeviceSet, "urn" );
 locally_modified = parseOptionalAttribute<bool>( aDeviceSet, "locally_modified" );
 prefix = parseOptionalAttribute<wxString>( aDeviceSet, "prefix" );
 uservalue = parseOptionalAttribute<bool>( aDeviceSet, "uservalue" );
 library_version = parseOptionalAttribute<int>( aDeviceSet, "library_version" );
 library_locally_modified =
 parseOptionalAttribute<bool>( aDeviceSet, "library_locally_modified" );
 
 for( wxXmlNode* child = aDeviceSet->GetChildren(); child; child = child->GetNext() )
 {
 if( child->GetName() == "description" )
 {
 description = std::make_optional<EDESCRIPTION>( child, aIo );
 }
 else if( child->GetName() == "gates" )
 {
 for( wxXmlNode* gate = child->GetChildren(); gate; gate = gate->GetNext() )
 {
 std::unique_ptr<EGATE> tmp = std::make_unique<EGATE>( gate, aIo );
 gates[tmp->name] = std::move( tmp );
 }
 
 AdvanceProgressPhase();
 }
 else if( child->GetName() == "devices" )
 {
 for( wxXmlNode* device = child->GetChildren(); device; device = device->GetNext() )
 devices.emplace_back( std::make_unique<EDEVICE>( device, aIo ) );
 
 AdvanceProgressPhase();
 }
 else if( child->GetName() == "spice" )
 {
 spice = std::make_optional<ESPICE>( child, aIo );
 }
 }
 
 AdvanceProgressPhase();
}
 
 
ECLASS::ECLASS( wxXmlNode* aClass, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT class (clearance)*>
 * <!ATTLIST class
 * number %Class; #REQUIRED
 * name %String; #REQUIRED
 * width %Dimension; "0"
 * drill %Dimension; "0"
 * >
 */
 number = parseRequiredAttribute<wxString>( aClass, "number" );
 name = parseRequiredAttribute<wxString>( aClass, "name" );
 width = parseOptionalAttribute<ECOORD>( aClass, "width" );
 drill = parseOptionalAttribute<ECOORD>( aClass, "drill" );
 
 for( wxXmlNode* child = aClass->GetChildren(); child; child = child->GetNext() )
 {
 if( child->GetName() == "clearance" )
 {
 wxString to = parseRequiredAttribute<wxString>( child, "class" );
 ECOORD value = parseRequiredAttribute<ECOORD>( child, "value" );
 
 clearanceMap[to] = value;
 
 AdvanceProgressPhase();
 }
 }
 
 AdvanceProgressPhase();
}
 
 
EPLAIN::EPLAIN( wxXmlNode* aPlain, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT plain (polygon | wire | text | dimension | circle | spline | rectangle |
 * frame | hole)*>
 */
 for( wxXmlNode* child = aPlain->GetChildren(); child; child = child->GetNext() )
 {
 if( child->GetName() == "polygon" )
 polygons.emplace_back( std::make_unique<EPOLYGON>( child, aIo ) );
 else if( child->GetName() == "wire" )
 wires.emplace_back( std::make_unique<EWIRE>( child, aIo ) );
 else if( child->GetName() == "text" )
 texts.emplace_back( std::make_unique<ETEXT>( child, aIo ) );
 else if( child->GetName() == "dimension" )
 dimensions.emplace_back( std::make_unique<EDIMENSION>( child, aIo ) );
 else if( child->GetName() == "circle" )
 circles.emplace_back( std::make_unique<ECIRCLE>( child, aIo ) );
 else if( child->GetName() == "spline" )
 splines.emplace_back( std::make_unique<ESPLINE>( child, aIo ) );
 else if( child->GetName() == "rectangle" )
 rectangles.emplace_back( std::make_unique<ERECT>( child, aIo ) );
 else if( child->GetName() == "frame" )
 frames.emplace_back( std::make_unique<EFRAME>( child, aIo ) );
 else if( child->GetName() == "hole" )
 holes.emplace_back( std::make_unique<EHOLE>( child, aIo ) );
 }
 
 AdvanceProgressPhase();
}
 
 
EMODULEINST::EMODULEINST( wxXmlNode* aModuleInst, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT moduleinst (attribute)*>
 * <!ATTLIST moduleinst
 * name %String; #REQUIRED
 * module %String; #REQUIRED
 * modulevariant %String; ""
 * x %Coord; #REQUIRED
 * y %Coord; #REQUIRED
 * offset %Int; "0"
 * smashed %Bool; "no"
 * rot %Rotation; "R0"
 * >
 * <!-- rot: Only 0, 90, 180 or 270 -->
 */
 name = parseRequiredAttribute<wxString>( aModuleInst, "name" );
 moduleinst = parseRequiredAttribute<wxString>( aModuleInst, "module" );
 moduleVariant = parseOptionalAttribute<wxString>( aModuleInst, "modulevariant" );
 x = parseRequiredAttribute<ECOORD>( aModuleInst, "x" );
 y = parseRequiredAttribute<ECOORD>( aModuleInst, "y" );
 offset = parseOptionalAttribute<int>( aModuleInst, "offset" );
 smashed = parseOptionalAttribute<bool>( aModuleInst, "smashed" );
 rotation = parseOptionalAttribute<EROT>( aModuleInst, "rot" );
 
 AdvanceProgressPhase();
}
 
 
ESHEET::ESHEET( wxXmlNode* aSheet, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT sheet (description?, plain?, moduleinsts?, instances?, busses?, nets?)>
 */
 description = parseOptionalAttribute<wxString>( aSheet, "description" );
 
 for( wxXmlNode* child = aSheet->GetChildren(); child; child = child->GetNext() )
 {
 if( child->GetName() == "plain" )
 {
 plain = std::make_unique<EPLAIN>( child, aIo );
 }
 else if( child->GetName() == "moduleinsts" )
 {
 for( wxXmlNode* moduleinst = child->GetChildren(); moduleinst;
 moduleinst = moduleinst->GetNext() )
 {
 if( moduleinst->GetName() == "moduleinst" )
 {
 std::unique_ptr<EMODULEINST> inst = std::make_unique<EMODULEINST>( moduleinst,
 aIo );
 moduleinsts[ inst->name ] = std::move( inst );
 }
 }
 
 AdvanceProgressPhase();
 }
 else if( child->GetName() == "instances" )
 {
 for( wxXmlNode* instance = child->GetChildren(); instance;
 instance = instance->GetNext() )
 {
 if( instance->GetName() == "instance" )
 instances.emplace_back( std::make_unique<EINSTANCE>( instance, aIo ) );
 }
 
 AdvanceProgressPhase();
 }
 else if( child->GetName() == "busses" )
 {
 for( wxXmlNode* bus = child->GetChildren(); bus; bus = bus->GetNext() )
 {
 if( bus->GetName() == "bus" )
 busses.emplace_back( std::make_unique<EBUS>( bus, aIo ) );
 }
 
 AdvanceProgressPhase();
 }
 else if( child->GetName() == "nets" )
 {
 for( wxXmlNode* net = child->GetChildren(); net; net = net->GetNext() )
 {
 if( net->GetName() == "net" )
 nets.emplace_back( std::make_unique<ENET>( net, aIo ) );
 }
 
 AdvanceProgressPhase();
 }
 }
 
 AdvanceProgressPhase();
}
 
 
ESCHEMATIC_GROUP::ESCHEMATIC_GROUP( wxXmlNode* aSchematicGroup, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT schematic_group (attribute*, description?)>
 * <!ATTLIST schematic_group
 * name ID #REQUIRED
 * selectable %Bool; #IMPLIED
 * width %Dimension; #IMPLIED
 * titleSize %Dimension; #IMPLIED
 * titleFont %TextFont; #IMPLIED
 * style %WireStyle; #IMPLIED
 * showAnnotations %Bool; #IMPLIED
 * layer %Layer; #IMPLIED
 * grouprefs IDREFS #IMPLIED
 * >
 */
 name = parseRequiredAttribute<wxString>( aSchematicGroup, "name" );
 selectable = parseOptionalAttribute<bool>( aSchematicGroup, "selectable" );
 width = parseOptionalAttribute<ECOORD>( aSchematicGroup, "width" );
 titleSize = parseOptionalAttribute<ECOORD>( aSchematicGroup, "titleSize" );
 titleFont = parseOptionalAttribute<wxString>( aSchematicGroup, "font" );
 wireStyle = parseOptionalAttribute<wxString>( aSchematicGroup, "style" );
 showAnnotations = parseOptionalAttribute<bool>( aSchematicGroup, "showAnnotations" );
 layer = parseOptionalAttribute<int>( aSchematicGroup, "layer" );
 grouprefs = parseOptionalAttribute<wxString>( aSchematicGroup, "grouprefs" );
 
 for( wxXmlNode* child = aSchematicGroup->GetChildren(); child; child = child->GetNext() )
 {
 if( child->GetName() == "description" )
 {
 description = std::make_optional<EDESCRIPTION>( child, aIo );
 }
 else if( child->GetName() == "attribute" )
 {
 attributes.emplace_back( std::make_unique<EATTR>( child, aIo ) );
 }
 }
 
 AdvanceProgressPhase();
}
 
 
EMODULE::EMODULE( wxXmlNode* aModule, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT module (description?, ports?, variantdefs?, groups?, parts?, sheets?)>
 * <!ATTLIST module
 * name %String; #REQUIRED
 * prefix %String; ""
 * dx %Coord; #REQUIRED
 * dy %Coord; #REQUIRED
 * >
 */
 name = parseRequiredAttribute<wxString>( aModule, "name" );
 prefix = parseOptionalAttribute<wxString>( aModule, "prefix" );
 dx = parseRequiredAttribute<ECOORD>( aModule, "dx" );
 dy = parseRequiredAttribute<ECOORD>( aModule, "dy" );
 
 for( wxXmlNode* child = aModule->GetChildren(); child; child = child->GetNext() )
 {
 if( child->GetName() == "description" )
 {
 description = std::make_optional<EDESCRIPTION>( child, aIo );
 }
 else if( child->GetName() == "ports" )
 {
 for( wxXmlNode* port = child->GetChildren(); port; port = port->GetNext() )
 {
 if( port->GetName() == "port" )
 {
 std::unique_ptr<EPORT> tmp = std::make_unique<EPORT>( port, aIo );
 ports[ tmp->name ] = std::move( tmp );
 }
 }
 
 AdvanceProgressPhase();
 }
 else if( child->GetName() == "variantdefs" )
 {
 for( wxXmlNode* variantdef = child->GetChildren(); variantdef;
 variantdef = variantdef->GetNext() )
 {
 if( variantdef->GetName() == "variantdef" )
 {
 std::unique_ptr<EVARIANTDEF> tmp = std::make_unique<EVARIANTDEF>( variantdef,
 aIo );
 variantdefs[ tmp->name ] = std::move( tmp );
 }
 }
 
 AdvanceProgressPhase();
 }
 else if( child->GetName() == "groups" )
 {
 for( wxXmlNode* group = child->GetChildren(); group; group = group->GetNext() )
 {
 if( group->GetName() == "schematic_group" )
 {
 std::unique_ptr<ESCHEMATIC_GROUP> tmp =
 std::make_unique<ESCHEMATIC_GROUP>( group, aIo );
 groups[ tmp->name ] = std::move( tmp );
 }
 }
 
 AdvanceProgressPhase();
 }
 else if( child->GetName() == "parts" )
 {
 for( wxXmlNode* part = child->GetChildren(); part; part = part->GetNext() )
 {
 if( part->GetName() == "part" )
 {
 std::unique_ptr<EPART> tmp = std::make_unique<EPART>( part, aIo );
 parts[ tmp->name ] = std::move( tmp );
 }
 }
 
 AdvanceProgressPhase();
 }
 else if( child->GetName() == "sheets" )
 {
 for( wxXmlNode* sheet = child->GetChildren(); sheet; sheet = sheet->GetNext() )
 {
 if( sheet->GetName() == "sheet" )
 sheets.emplace_back( std::make_unique<ESHEET>( sheet, aIo ) );
 }
 
 AdvanceProgressPhase();
 }
 }
 
 AdvanceProgressPhase();
}
 
 
EPORT::EPORT( wxXmlNode* aPort, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT port EMPTY>
 * <!ATTLIST port
 * name %String; #REQUIRED
 * side %Int; #REQUIRED
 * coord %Coord; #REQUIRED
 * direction %PortDirection; "io"
 * >
 */
 name = parseRequiredAttribute<wxString>( aPort, "name" );
 side = parseRequiredAttribute<wxString>( aPort, "side" );
 coord = parseRequiredAttribute<ECOORD>( aPort, "coord" );
 direction = parseOptionalAttribute<wxString>( aPort, "direction" );
 
 AdvanceProgressPhase();
}
 
 
EVARIANTDEF::EVARIANTDEF( wxXmlNode* aVariantDef, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT variantdef EMPTY>
 * <!ATTLIST variantdef
 * name %String; #REQUIRED
 * current %Bool; "no"
 * >
 */
 name = parseRequiredAttribute<wxString>( aVariantDef, "name" );
 current = parseOptionalAttribute<bool>( aVariantDef, "current" );
 
 AdvanceProgressPhase();
}
 
 
ENOTE::ENOTE( wxXmlNode* aNote, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT note (#PCDATA)>
 * <!ATTLIST note
 * version %Real; #REQUIRED
 * severity %Severity; #REQUIRED
 * >
 * <!-- version: The EAGLE program version that introduced this compatibility note -->
 */
 version = parseRequiredAttribute<double>( aNote, "version" );
 severity = parseRequiredAttribute<wxString>( aNote, "severity" );
 
 note = aNote->GetNodeContent();
 
 AdvanceProgressPhase();
}
 
 
ECOMPATIBILITY::ECOMPATIBILITY( wxXmlNode* aCompatibility, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT compatibility (note)*>
 */
 for( wxXmlNode* child = aCompatibility->GetNext(); child; child = child->GetNext() )
 {
 if( child->GetName() == "note" )
 notes.emplace_back( std::make_unique<ENOTE>( child ) );
 }
 
 AdvanceProgressPhase();
}
 
 
ESETTING::ESETTING( wxXmlNode* aSetting, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT setting EMPTY>
 * <!ATTLIST setting
 * alwaysvectorfont %Bool; #IMPLIED
 * verticaltext %VerticalText; "up"
 * keepoldvectorfont %Bool; "no"
 * >
 */
 alwaysvectorfont = parseOptionalAttribute<bool>( aSetting, "alwaysvectorfont" );
 verticaltext = parseOptionalAttribute<wxString>( aSetting, "verticaltext" );
 keepoldvectorfont = parseOptionalAttribute<bool>( aSetting, "keepoldvectorfont" );
 
 AdvanceProgressPhase();
}
 
 
EGRID::EGRID( wxXmlNode* aGrid, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT grid EMPTY>
 * <!ATTLIST grid
 * distance %Real; #IMPLIED
 * unitdist %GridUnit; #IMPLIED
 * unit %GridUnit; #IMPLIED
 * style %GridStyle; "lines"
 * multiple %Int; "1"
 * display %Bool; "no"
 * altdistance %Real; #IMPLIED
 * altunitdist %GridUnit; #IMPLIED
 * altunit %GridUnit; #IMPLIED
 * >
 */
 distance = parseOptionalAttribute<double>( aGrid, "distance" );
 unitdist = parseOptionalAttribute<wxString>( aGrid, "unitdist" );
 unit = parseOptionalAttribute<wxString>( aGrid, "unit" );
 style = parseOptionalAttribute<wxString>( aGrid, "style" );
 multiple = parseOptionalAttribute<int>( aGrid, "multiple" );
 display = parseOptionalAttribute<bool>( aGrid, "display" );
 altdistance = parseOptionalAttribute<double>( aGrid, "altdistance" );
 altunitdist = parseOptionalAttribute<wxString>( aGrid, "altunitdist" );
 altunit = parseOptionalAttribute<wxString>( aGrid, "altunit" );
 
 AdvanceProgressPhase();
}
 
 
EFILTER::EFILTER( wxXmlNode* aFilter, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT filter EMPTY>
 * <!ATTLIST filter
 * name %String; #REQUIRED
 * expression %String; #REQUIRED
 * >
 */
 name = parseRequiredAttribute<wxString>( aFilter, "name" );
 expression = parseRequiredAttribute<wxString>( aFilter, "expression" );
 
 AdvanceProgressPhase();
};
 
 
EPACKAGE::EPACKAGE( wxXmlNode* aPackage, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT package (description?, (polygon | wire | text | dimension | circle |
 * rectangle | frame | hole | pad | smd)*)>
 * <!ATTLIST package
 * name %String; #REQUIRED
 * urn %Urn; ""
 * locally_modified %Bool; "no"
 * library_version %Int; ""
 * library_locally_modified %Bool; "no"
 * >
 * <!-- library_version and library_locally_modified: Only in managed libraries
 * inside boards or schematics -->
 */
 name = parseRequiredAttribute<wxString>( aPackage, "name" );
 urn = parseOptionalAttribute<wxString>( aPackage, "urn" );
 locally_modified = parseOptionalAttribute<bool>( aPackage, "locally_modified" );
 library_version = parseOptionalAttribute<int>( aPackage, "library_version" );
 library_locally_modified = parseOptionalAttribute<bool>( aPackage, "library_locally_modified" );
 
 for( wxXmlNode* child = aPackage->GetChildren(); child; child = child->GetNext() )
 {
 if( child->GetName() == "description" )
 {
 description = std::make_optional<EDESCRIPTION>( child, aIo );
 }
 else if( child->GetName() == "polygon" )
 {
 polygons.emplace_back( std::make_unique<EPOLYGON>( child, aIo ) );
 }
 else if( child->GetName() == "wire" )
 {
 wires.emplace_back( std::make_unique<EWIRE>( child, aIo ) );
 }
 else if( child->GetName() == "text" )
 {
 texts.emplace_back( std::make_unique<ETEXT>( child, aIo ) );
 }
 else if( child->GetName() == "dimension" )
 {
 dimensions.emplace_back( std::make_unique<EDIMENSION>( child, aIo ) );
 }
 else if( child->GetName() == "circle" )
 {
 circles.emplace_back( std::make_unique<ECIRCLE>( child, aIo ) );
 }
 else if( child->GetName() == "rectangle" )
 {
 rectangles.emplace_back( std::make_unique<ERECT>( child, aIo ) );
 }
 else if( child->GetName() == "frame" )
 {
 frames.emplace_back( std::make_unique<EFRAME>( child, aIo ) );
 }
 else if( child->GetName() == "hole" )
 {
 holes.emplace_back( std::make_unique<EHOLE>( child, aIo ) );
 }
 else if( child->GetName() == "pad" )
 {
 thtpads.emplace_back( std::make_unique<EPAD>( child, aIo ) );
 }
 else if( child->GetName() == "smd" )
 {
 smdpads.emplace_back( std::make_unique<ESMD>( child, aIo ) );
 }
 }
 
 AdvanceProgressPhase();
}
 
 
EPACKAGEINSTANCE::EPACKAGEINSTANCE( wxXmlNode* aPackageInstance, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT packageinstance EMPTY>
 * <!ATTLIST packageinstance
 * name %String; #REQUIRED
 * >
 */
 name = parseRequiredAttribute<wxString>( aPackageInstance, "name" );
 
 AdvanceProgressPhase();
}
 
 
EPACKAGE3D::EPACKAGE3D( wxXmlNode* aPackage3d, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT package3d (description?, packageinstances?)>
 * <!ATTLIST package3d
 * name %String; ""
 * urn %Urn; #REQUIRED
 * type %Package3dType; #REQUIRED
 * library_version %Int; ""
 * library_locally_modified %Bool; "no"
 * >
 * <!-- library_version and library_locally_modified: Only in managed libraries
 * inside boards or schematics -->
 */
 name = parseRequiredAttribute<wxString>( aPackage3d, "name" );
 urn = parseRequiredAttribute<wxString>( aPackage3d, "urn" );
 type = parseRequiredAttribute<wxString>( aPackage3d, "type" );
 library_version = parseOptionalAttribute<int>( aPackage3d, "library_version" );
 library_locally_modified = parseOptionalAttribute<bool>( aPackage3d,
 "library_locally_modified" );
 
 for( wxXmlNode* child = aPackage3d->GetChildren(); child; child = child->GetNext() )
 {
 if( child->GetName() == "description" )
 {
 description = std::make_optional<EDESCRIPTION>( child, aIo );
 }
 else if( child->GetName() == "packageinstances" )
 {
 for( wxXmlNode* instance = child->GetChildren(); instance;
 instance = instance->GetNext() )
 packageinstances.emplace_back( std::make_unique<EPACKAGEINSTANCE>( instance,
 aIo ) );
 
 AdvanceProgressPhase();
 }
 }
 
 AdvanceProgressPhase();
}
 
 
ESYMBOL::ESYMBOL( wxXmlNode* aSymbol, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT symbol (description?, (polygon | wire | text | dimension | pin | circle |
 * rectangle | frame)*)>
 * <!ATTLIST symbol
 * name %String; #REQUIRED
 * urn %Urn; ""
 * locally_modified %Bool; "no"
 * library_version %Int; ""
 * library_locally_modified %Bool; "no"
 * >
 * <!-- library_version and library_locally_modified: Only in managed libraries
 * inside boards or schematics -->
 */
 
 name = parseRequiredAttribute<wxString>( aSymbol, "name" );
 urn = parseOptionalAttribute<wxString>( aSymbol, "urn" );
 locally_modified = parseOptionalAttribute<bool>( aSymbol, "locally_modified" );
 library_version = parseOptionalAttribute<int>( aSymbol, "library_version" );
 library_locally_modified = parseOptionalAttribute<bool>( aSymbol, "library_locally_modified" );
 
 for( wxXmlNode* child = aSymbol->GetChildren(); child; child = child->GetNext() )
 {
 if( child->GetName() == "description" )
 {
 description = std::make_optional<EDESCRIPTION>( child, aIo );
 }
 else if( child->GetName() == "polygon" )
 {
 polygons.emplace_back( std::make_unique<EPOLYGON>( child, aIo ) );
 }
 else if( child->GetName() == "wire" )
 {
 wires.emplace_back( std::make_unique<EWIRE>( child, aIo ) );
 }
 else if( child->GetName() == "text" )
 {
 texts.emplace_back( std::make_unique<ETEXT>( child, aIo ) );
 }
 else if( child->GetName() == "dimension" )
 {
 dimensions.emplace_back( std::make_unique<EDIMENSION>( child, aIo ) );
 }
 else if( child->GetName() == "pin" )
 {
 pins.emplace_back( std::make_unique<EPIN>( child, aIo ) );
 }
 else if( child->GetName() == "circle" )
 {
 circles.emplace_back( std::make_unique<ECIRCLE>( child, aIo ) );
 }
 else if( child->GetName() == "rectangle" )
 {
 rectangles.emplace_back( std::make_unique<ERECT>( child, aIo ) );
 }
 else if( child->GetName() == "frame" )
 {
 frames.emplace_back( std::make_unique<EFRAME>( child, aIo ) );
 }
 }
 
 AdvanceProgressPhase();
}
 
 
ELIBRARY::ELIBRARY( wxXmlNode* aLibrary, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT library (description?, packages?, packages3d?, symbols?, devicesets?)>
 * <!ATTLIST library
 * name %String; #REQUIRED
 * urn %Urn; ""
 * >
 * <!-- name: Only in libraries used inside boards or schematics -->
 * <!-- urn: Only in online libraries used inside boards or schematics -->
 */
 
 // The name and urn attributes are only valid in schematic and board files.
 wxString parentNodeName;
 
 if( aLibrary->GetParent() )
 parentNodeName = aLibrary->GetParent()->GetName();
 
 if( parentNodeName == "libraries" )
 {
 name = parseRequiredAttribute<wxString>( aLibrary, "name" );
 urn = parseOptionalAttribute<wxString>( aLibrary, "urn" );
 }
 
 for( wxXmlNode* child = aLibrary->GetChildren(); child; child = child->GetNext() )
 {
 if( child->GetName() == "description" )
 {
 description = std::make_optional<EDESCRIPTION>( child, aIo );
 }
 else if( child->GetName() == "packages" )
 {
 for( wxXmlNode* package = child->GetChildren(); package; package = package->GetNext() )
 {
 if( package->GetName() == "package" )
 {
 std::unique_ptr<EPACKAGE> tmp = std::make_unique<EPACKAGE>( package, aIo );
 packages[ tmp->name ] = std::move( tmp );
 }
 }
 
 AdvanceProgressPhase();
 }
 else if( child->GetName() == "packages3d" )
 {
 for( wxXmlNode* package3d = child->GetChildren(); package3d;
 package3d = package3d->GetNext() )
 {
 if( package3d->GetName() == "package3d" )
 {
 std::unique_ptr<EPACKAGE3D> tmp = std::make_unique<EPACKAGE3D>( package3d,
 aIo );
 packages3d[ tmp->name ] = std::move( tmp );
 }
 }
 
 AdvanceProgressPhase();
 }
 else if( child->GetName() == "symbols" )
 {
 for( wxXmlNode* symbol = child->GetChildren(); symbol; symbol = symbol->GetNext() )
 {
 if( symbol->GetName() == "symbol" )
 {
 std::unique_ptr<ESYMBOL> tmp = std::make_unique<ESYMBOL>( symbol, aIo );
 symbols[ tmp->name ] = std::move( tmp );
 }
 }
 
 AdvanceProgressPhase();
 }
 else if( child->GetName() == "devicesets" )
 {
 for( wxXmlNode* deviceset = child->GetChildren(); deviceset;
 deviceset = deviceset->GetNext() )
 {
 if( deviceset->GetName() == "deviceset" )
 {
 std::unique_ptr<EDEVICE_SET> tmp = std::make_unique<EDEVICE_SET>( deviceset,
 aIo );
 devicesets[ tmp->name ] = std::move( tmp );
 }
 }
 
 AdvanceProgressPhase();
 }
 }
 
 AdvanceProgressPhase();
}
 
 
EAPPROVED::EAPPROVED( wxXmlNode* aApproved, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT approved EMPTY>
 * <!ATTLIST approved
 * hash %String; #REQUIRED
 * >
 */
 hash = parseRequiredAttribute<wxString>( aApproved, "hash" );
 
 AdvanceProgressPhase();
}
 
 
ESCHEMATIC::ESCHEMATIC( wxXmlNode* aSchematic, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT schematic (description?, libraries?, attributes?, variantdefs?, classes?,
 * modules?, groups?, parts?, sheets?, errors?)>
 * <!ATTLIST schematic
 * xreflabel %String; #IMPLIED
 * xrefpart %String; #IMPLIED
 * >
 */
 xreflabel = parseOptionalAttribute<wxString>( aSchematic, "xreflabel" );
 xrefpart = parseOptionalAttribute<wxString>( aSchematic, "xrefpart" );
 
 for( wxXmlNode* child = aSchematic->GetChildren(); child; child = child->GetNext() )
 {
 if( child->GetName() == "description" )
 {
 description = std::make_optional<EDESCRIPTION>( child, aIo );
 }
 else if( child->GetName() == "libraries" )
 {
 for( wxXmlNode* library = child->GetChildren(); library; library = library->GetNext() )
 {
 if( library->GetName() == "library" )
 {
 std::unique_ptr<ELIBRARY> tmp = std::make_unique<ELIBRARY>( library, aIo );
 libraries[ tmp->name ] = std::move( tmp );
 }
 }
 
 AdvanceProgressPhase();
 }
 else if( child->GetName() == "attributes" )
 {
 for( wxXmlNode* attribute = child->GetChildren(); attribute;
 attribute = attribute->GetNext() )
 {
 if( attribute->GetName() == "attribute" )
 {
 std::unique_ptr<EATTR> tmp = std::make_unique<EATTR>( attribute, aIo );
 attributes[ tmp->name ] = std::move( tmp );
 }
 }
 
 AdvanceProgressPhase();
 }
 else if( child->GetName() == "variantdefs" )
 {
 for( wxXmlNode* variantdef = child->GetChildren(); variantdef;
 variantdef = variantdef->GetNext() )
 {
 if( variantdef->GetName() == "variantdef" )
 {
 std::unique_ptr<EVARIANTDEF> tmp = std::make_unique<EVARIANTDEF>( variantdef,
 aIo );
 variantdefs[ tmp->name ] = std::move( tmp );
 }
 }
 
 AdvanceProgressPhase();
 }
 else if( child->GetName() == "classes" )
 {
 for( wxXmlNode* eclass = child->GetChildren(); eclass; eclass = eclass->GetNext() )
 {
 if( eclass->GetName() == "class" )
 {
 std::unique_ptr<ECLASS> tmp = std::make_unique<ECLASS>( eclass, aIo );
 classes[ tmp->number ] = std::move( tmp );
 }
 }
 
 AdvanceProgressPhase();
 }
 else if( child->GetName() == "modules" )
 {
 for( wxXmlNode* mod = child->GetChildren(); mod; mod = mod->GetNext() )
 {
 if( mod->GetName() == "module" )
 {
 std::unique_ptr<EMODULE> tmp = std::make_unique<EMODULE>( mod, aIo );
 modules[ tmp->name ] = std::move( tmp );
 }
 }
 
 AdvanceProgressPhase();
 }
 else if( child->GetName() == "groups" )
 {
 for( wxXmlNode* group = child->GetChildren(); group; group = group->GetNext() )
 {
 if( group->GetName() == "schematic_group" )
 {
 std::unique_ptr<ESCHEMATIC_GROUP> tmp =
 std::make_unique<ESCHEMATIC_GROUP>( group, aIo );
 groups[ tmp->name ] = std::move( tmp );
 }
 }
 
 AdvanceProgressPhase();
 }
 else if( child->GetName() == "parts" )
 {
 for( wxXmlNode* part = child->GetChildren(); part; part = part->GetNext() )
 {
 if( part->GetName() == "part" )
 {
 std::unique_ptr<EPART> tmp = std::make_unique<EPART>( part, aIo );
 parts[ tmp->name ] = std::move( tmp );
 }
 }
 
 AdvanceProgressPhase();
 }
 else if( child->GetName() == "sheets" )
 {
 for( wxXmlNode* sheet = child->GetChildren(); sheet; sheet = sheet->GetNext() )
 {
 if( sheet->GetName() == "sheet" )
 sheets.emplace_back( std::make_unique<ESHEET>( sheet, aIo ) );
 }
 
 AdvanceProgressPhase();
 }
 else if( child->GetName() == "errors" )
 {
 for( wxXmlNode* error = child->GetChildren(); error; error = error->GetNext() )
 {
 if( error->GetName() == "approved" )
 errors.emplace_back( std::make_unique<EAPPROVED>( error, aIo ) );
 }
 
 AdvanceProgressPhase();
 }
 }
 
 AdvanceProgressPhase();
}
 
 
EDRAWING::EDRAWING( wxXmlNode* aDrawing, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT drawing (settings?, grid?, filters?, layers, (library | schematic | board))>
 */
 for( wxXmlNode* child = aDrawing->GetChildren(); child; child = child->GetNext() )
 {
 if( child->GetName() == "settings" )
 {
 for( wxXmlNode* setting = child->GetChildren(); setting; setting = setting->GetNext() )
 settings.emplace_back( std::make_unique<ESETTING>( setting, aIo ) );
 
 AdvanceProgressPhase();
 }
 else if( child->GetName() == "grid" )
 {
 grid = std::make_optional<EGRID>( child, aIo );
 }
 else if( child->GetName() == "filters" )
 {
 for( wxXmlNode* filter = child->GetChildren(); filter; filter = filter->GetNext() )
 {
 if( filter->GetName() == "filter" )
 filters.emplace_back( std::make_unique<EFILTER>( filter, aIo ) );
 }
 
 AdvanceProgressPhase();
 }
 else if( child->GetName() == "layers" )
 {
 for( wxXmlNode* layer = child->GetChildren(); layer; layer = layer->GetNext() )
 {
 if( layer->GetName() == "layer" )
 layers.emplace_back( std::make_unique<ELAYER>( layer, aIo ) );
 }
 
 AdvanceProgressPhase();
 }
 else if( child->GetName() == "schematic" )
 {
 schematic = std::make_optional<ESCHEMATIC>( child, aIo );
 }
 else if( child->GetName() == "library" )
 {
 library = std::make_optional<ELIBRARY>( child, aIo );
 }
 }
 
 // std::optional<std::unique_ptr<EBOARD>> board;
 
 AdvanceProgressPhase();
}
 
 
EAGLE_DOC::EAGLE_DOC( wxXmlNode* aEagleDoc, IO_BASE* aIo ) :
 EAGLE_BASE( aIo )
{
 /*
 * <!ELEMENT eagle (compatibility?, drawing, compatibility?)>
 * <!ATTLIST eagle
 * version %Real; #REQUIRED
 * >
 * <!-- version: The EAGLE program version that generated this file, in the
 * form V.RR -->
 */
 
 version = parseRequiredAttribute<wxString>( aEagleDoc, "version" );
 
 for( wxXmlNode* child = aEagleDoc->GetChildren(); child; child = child->GetNext() )
 {
 if( child->GetName() == "compitibility" )
 compatibility = std::make_optional<ECOMPATIBILITY>( child, aIo );
 else if( child->GetName() == "drawing" )
 drawing = std::make_unique<EDRAWING>( child, aIo );
 }
 
 AdvanceProgressPhase();
}