pcb_plot_params.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 1992-2022 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 <board_design_settings.h>
#include <charconv>
#include <layer_ids.h>
#include <lset.h>
#include <string_utils.h>
#include <pcb_plot_params.h>
#include <pcb_plot_params_parser.h>
#include <plotters/plotter.h>
#include <io/kicad/kicad_io_utils.h>
#include <settings/color_settings.h>
 
 
#define PLOT_LINEWIDTH_DEFAULT ( DEFAULT_TEXT_WIDTH * IU_PER_MM )
 
#define HPGL_PEN_DIAMETER_MIN 0
#define HPGL_PEN_DIAMETER_MAX 100.0 // Unit = mil
#define HPGL_PEN_SPEED_MIN 1 // this param is always in cm/s
#define HPGL_PEN_SPEED_MAX 99 // this param is always in cm/s
#define HPGL_PEN_NUMBER_MIN 1
#define HPGL_PEN_NUMBER_MAX 16
 
#define SVG_PRECISION_MIN 3U
#define SVG_PRECISION_MAX 6U
#define SVG_PRECISION_DEFAULT 4
 
 
// default trailing digits in Gerber coordinates, when units are mm
// This is also the max usable precision (i.e. internal Pcbnew Units)
static const int gbrDefaultPrecision = 6;
 
 
using namespace PCBPLOTPARAMS_T;
 
 
static const char* getTokenName( T aTok )
{
 return PCB_PLOT_PARAMS_LEXER::TokenName( aTok );
}
 
 
static bool setInt( int* aTarget, int aValue, int aMin, int aMax )
{
 int temp = aValue;
 
 if( aValue < aMin )
 temp = aMin;
 else if( aValue > aMax )
 temp = aMax;
 
 *aTarget = temp;
 return ( temp == aValue );
}
 
 
static bool setDouble( double* aTarget, double aValue, double aMin, double aMax )
{
 double temp = aValue;
 
 if( aValue < aMin )
 temp = aMin;
 else if( aValue > aMax )
 temp = aMax;
 
 *aTarget = temp;
 return ( temp == aValue );
}
 
 
PCB_PLOT_PARAMS::PCB_PLOT_PARAMS()
{
 m_useGerberProtelExtensions = false;
 m_gerberDisableApertMacros = false;
 m_useGerberX2format = true;
 m_includeGerberNetlistInfo = true;
 m_createGerberJobFile = true;
 m_gerberPrecision = gbrDefaultPrecision;
 m_dashedLineDashRatio = 12.0; // From ISO 128-2
 m_dashedLineGapRatio = 3.0; // From ISO 128-2
 
 // we used 0.1mils for SVG step before, but nm precision is more accurate, so we use nm
 m_svgPrecision = SVG_PRECISION_DEFAULT;
 m_plotDrawingSheet = false;
 m_plotMode = FILLED;
 m_DXFPolygonMode = true;
 m_DXFUnits = DXF_UNITS::INCHES;
 m_useAuxOrigin = false;
 m_HPGLPenNum = 1;
 m_HPGLPenSpeed = 20; // this param is always in cm/s
 m_HPGLPenDiam = 15; // in mils
 m_negative = false;
 m_A4Output = false;
 m_plotReference = true;
 m_plotValue = true;
 m_plotFPText = true;
 m_plotInvisibleText = false;
 m_sketchPadsOnFabLayers = false;
 m_plotPadNumbers = false;
 m_subtractMaskFromSilk = false;
 m_format = PLOT_FORMAT::GERBER;
 m_mirror = false;
 m_drillMarks = DRILL_MARKS::SMALL_DRILL_SHAPE;
 m_autoScale = false;
 m_scale = 1.0;
 m_scaleSelection = 1;
 m_fineScaleAdjustX = 1.0;
 m_fineScaleAdjustY = 1.0;
 m_widthAdjust = 0.;
 m_textMode = PLOT_TEXT_MODE::DEFAULT;
 m_outputDirectory.clear();
 m_layerSelection = LSET( { F_SilkS, B_SilkS, F_Mask, B_Mask,
 F_Paste, B_Paste, Edge_Cuts } )
 | LSET::AllCuMask();
 
 m_PDFFrontFPPropertyPopups = true;
 m_PDFBackFPPropertyPopups = true;
 m_PDFMetadata = true;
 
 // This parameter controls if the NPTH pads will be plotted or not
 // it is a "local" parameter
 m_skipNPTH_Pads = false;
 
 // line width to plot items in outline mode.
 m_sketchPadLineWidth = pcbIUScale.mmToIU( 0.1 );
 
 m_default_colors = std::make_shared<COLOR_SETTINGS>();
 m_colors = m_default_colors.get();
 
 m_blackAndWhite = true;
}
 
 
void PCB_PLOT_PARAMS::SetGerberPrecision( int aPrecision )
{
 // Currently Gerber files use mm.
 // accepted precision is only 6 (max value, this is the resolution of Pcbnew)
 // or 5, min value for professional boards, when 6 creates problems
 // to board makers.
 
 m_gerberPrecision = aPrecision == gbrDefaultPrecision-1 ? gbrDefaultPrecision-1 :
 gbrDefaultPrecision;
}
 
 
void PCB_PLOT_PARAMS::SetSvgPrecision( unsigned aPrecision )
{
 m_svgPrecision = std::clamp( aPrecision, SVG_PRECISION_MIN, SVG_PRECISION_MAX );
}
 
 
void PCB_PLOT_PARAMS::Format( OUTPUTFORMATTER* aFormatter,
 int aNestLevel, int aControl ) const
{
 aFormatter->Print( aNestLevel, "(pcbplotparams\n" );
 
 aFormatter->Print( aNestLevel+1, "(layerselection 0x%s)\n",
 m_layerSelection.FmtHex().c_str() );
 
 aFormatter->Print( aNestLevel+1, "(plot_on_all_layers_selection 0x%s)\n",
 m_plotOnAllLayersSelection.FmtHex().c_str() );
 
 KICAD_FORMAT::FormatBool( aFormatter, aNestLevel + 1, "disableapertmacros",
 m_gerberDisableApertMacros );
 
 KICAD_FORMAT::FormatBool( aFormatter, aNestLevel + 1, "usegerberextensions",
 m_useGerberProtelExtensions );
 
 KICAD_FORMAT::FormatBool( aFormatter, aNestLevel + 1, "usegerberattributes",
 GetUseGerberX2format() );
 
 KICAD_FORMAT::FormatBool( aFormatter, aNestLevel + 1, "usegerberadvancedattributes",
 GetIncludeGerberNetlistInfo() );
 
 KICAD_FORMAT::FormatBool( aFormatter, aNestLevel + 1, "creategerberjobfile",
 GetCreateGerberJobFile() );
 
 // save this option only if it is not the default value,
 // to avoid incompatibility with older Pcbnew version
 if( m_gerberPrecision != gbrDefaultPrecision )
 aFormatter->Print( aNestLevel+1, "(gerberprecision %d)\n", m_gerberPrecision );
 
 aFormatter->Print( aNestLevel+1, "(dashed_line_dash_ratio %f)\n", GetDashedLineDashRatio() );
 aFormatter->Print( aNestLevel+1, "(dashed_line_gap_ratio %f)\n", GetDashedLineGapRatio() );
 
 // SVG options
 aFormatter->Print( aNestLevel+1, "(svgprecision %d)\n", m_svgPrecision );
 
 KICAD_FORMAT::FormatBool( aFormatter, aNestLevel + 1, "plotframeref", m_plotDrawingSheet );
 aFormatter->Print( aNestLevel+1, "(mode %d)\n", GetPlotMode() == SKETCH ? 2 : 1 );
 KICAD_FORMAT::FormatBool( aFormatter, aNestLevel + 1, "useauxorigin", m_useAuxOrigin );
 
 // HPGL options
 aFormatter->Print( aNestLevel+1, "(hpglpennumber %d)\n", m_HPGLPenNum );
 aFormatter->Print( aNestLevel+1, "(hpglpenspeed %d)\n", m_HPGLPenSpeed );
 aFormatter->Print( aNestLevel+1, "(hpglpendiameter %f)\n", m_HPGLPenDiam );
 
 // PDF options
 KICAD_FORMAT::FormatBool( aFormatter, aNestLevel + 1,
 getTokenName( T_pdf_front_fp_property_popups ),
 m_PDFFrontFPPropertyPopups );
 KICAD_FORMAT::FormatBool( aFormatter, aNestLevel + 1,
 getTokenName( T_pdf_back_fp_property_popups ),
 m_PDFBackFPPropertyPopups );
 KICAD_FORMAT::FormatBool( aFormatter, aNestLevel + 1,
 getTokenName( T_pdf_metadata ),
 m_PDFMetadata );
 
 // DXF options
 KICAD_FORMAT::FormatBool( aFormatter, aNestLevel + 1, getTokenName( T_dxfpolygonmode ),
 m_DXFPolygonMode );
 KICAD_FORMAT::FormatBool( aFormatter, aNestLevel + 1, getTokenName( T_dxfimperialunits ),
 m_DXFUnits == DXF_UNITS::INCHES );
 KICAD_FORMAT::FormatBool( aFormatter, aNestLevel + 1, getTokenName( T_dxfusepcbnewfont ),
 m_textMode != PLOT_TEXT_MODE::NATIVE );
 
 KICAD_FORMAT::FormatBool( aFormatter, aNestLevel + 1, getTokenName( T_psnegative ),
 m_negative );
 KICAD_FORMAT::FormatBool( aFormatter, aNestLevel + 1, getTokenName( T_psa4output ),
 m_A4Output );
 
 KICAD_FORMAT::FormatBool( aFormatter, aNestLevel + 1, "plotreference", m_plotReference );
 KICAD_FORMAT::FormatBool( aFormatter, aNestLevel + 1, "plotvalue", m_plotValue );
 KICAD_FORMAT::FormatBool( aFormatter, aNestLevel + 1, "plotfptext", m_plotFPText );
 KICAD_FORMAT::FormatBool( aFormatter, aNestLevel + 1, "plotinvisibletext", m_plotInvisibleText );
 KICAD_FORMAT::FormatBool( aFormatter, aNestLevel + 1, "sketchpadsonfab", m_sketchPadsOnFabLayers );
 KICAD_FORMAT::FormatBool( aFormatter, aNestLevel + 1, "plotpadnumbers", m_plotPadNumbers );
 KICAD_FORMAT::FormatBool( aFormatter, aNestLevel + 1, "subtractmaskfromsilk", m_subtractMaskFromSilk );
 aFormatter->Print( aNestLevel+1, "(outputformat %d)\n", static_cast<int>( m_format ) );
 KICAD_FORMAT::FormatBool( aFormatter, aNestLevel + 1, "mirror", m_mirror );
 aFormatter->Print( aNestLevel+1, "(drillshape %d)\n", (int)m_drillMarks );
 aFormatter->Print( aNestLevel+1, "(scaleselection %d)\n", m_scaleSelection );
 aFormatter->Print( aNestLevel+1, "(outputdirectory \"%s\")",
 (const char*) m_outputDirectory.utf8_str() );
 aFormatter->Print( 0, "\n" );
 aFormatter->Print( aNestLevel, ")\n" );
}
 
 
void PCB_PLOT_PARAMS::Parse( PCB_PLOT_PARAMS_PARSER* aParser )
{
 aParser->Parse( this );
}
 
 
bool PCB_PLOT_PARAMS::IsSameAs( const PCB_PLOT_PARAMS &aPcbPlotParams ) const
{
 if( m_layerSelection != aPcbPlotParams.m_layerSelection )
 return false;
 
 if( m_plotOnAllLayersSelection != aPcbPlotParams.m_plotOnAllLayersSelection )
 return false;
 
 if( m_useGerberProtelExtensions != aPcbPlotParams.m_useGerberProtelExtensions )
 return false;
 
 if( m_gerberDisableApertMacros != aPcbPlotParams.m_gerberDisableApertMacros )
 return false;
 
 if( m_useGerberX2format != aPcbPlotParams.m_useGerberX2format )
 return false;
 
 if( m_includeGerberNetlistInfo != aPcbPlotParams.m_includeGerberNetlistInfo )
 return false;
 
 if( m_createGerberJobFile != aPcbPlotParams.m_createGerberJobFile )
 return false;
 
 if( m_gerberPrecision != aPcbPlotParams.m_gerberPrecision )
 return false;
 
 if( m_dashedLineDashRatio != aPcbPlotParams.m_dashedLineDashRatio )
 return false;
 
 if( m_dashedLineGapRatio != aPcbPlotParams.m_dashedLineGapRatio )
 return false;
 
 if( m_plotDrawingSheet != aPcbPlotParams.m_plotDrawingSheet )
 return false;
 
 if( m_plotMode != aPcbPlotParams.m_plotMode )
 return false;
 
 if( m_DXFPolygonMode != aPcbPlotParams.m_DXFPolygonMode )
 return false;
 
 if( m_DXFUnits != aPcbPlotParams.m_DXFUnits )
 return false;
 
 if( m_svgPrecision != aPcbPlotParams.m_svgPrecision )
 return false;
 
 if( m_useAuxOrigin != aPcbPlotParams.m_useAuxOrigin )
 return false;
 
 if( m_HPGLPenNum != aPcbPlotParams.m_HPGLPenNum )
 return false;
 
 if( m_HPGLPenSpeed != aPcbPlotParams.m_HPGLPenSpeed )
 return false;
 
 if( m_HPGLPenDiam != aPcbPlotParams.m_HPGLPenDiam )
 return false;
 
 if( m_negative != aPcbPlotParams.m_negative )
 return false;
 
 if( m_PDFFrontFPPropertyPopups != aPcbPlotParams.m_PDFFrontFPPropertyPopups )
 return false;
 
 if( m_PDFBackFPPropertyPopups != aPcbPlotParams.m_PDFBackFPPropertyPopups )
 return false;
 
 if( m_PDFMetadata != aPcbPlotParams.m_PDFMetadata )
 return false;
 
 if( m_A4Output != aPcbPlotParams.m_A4Output )
 return false;
 
 if( m_plotReference != aPcbPlotParams.m_plotReference )
 return false;
 
 if( m_plotValue != aPcbPlotParams.m_plotValue )
 return false;
 
 if( m_plotFPText != aPcbPlotParams.m_plotFPText )
 return false;
 
 if( m_plotInvisibleText != aPcbPlotParams.m_plotInvisibleText )
 return false;
 
 if( m_sketchPadsOnFabLayers != aPcbPlotParams.m_sketchPadsOnFabLayers )
 return false;
 
 if( m_plotPadNumbers != aPcbPlotParams.m_plotPadNumbers )
 return false;
 
 if( m_subtractMaskFromSilk != aPcbPlotParams.m_subtractMaskFromSilk )
 return false;
 
 if( m_format != aPcbPlotParams.m_format )
 return false;
 
 if( m_mirror != aPcbPlotParams.m_mirror )
 return false;
 
 if( m_drillMarks != aPcbPlotParams.m_drillMarks )
 return false;
 
 if( m_scaleSelection != aPcbPlotParams.m_scaleSelection )
 return false;
 
 if( m_autoScale != aPcbPlotParams.m_autoScale )
 return false;
 
 if( m_scale != aPcbPlotParams.m_scale )
 return false;
 
 if( m_fineScaleAdjustX != aPcbPlotParams.m_fineScaleAdjustX )
 return false;
 
 if( m_fineScaleAdjustY != aPcbPlotParams.m_fineScaleAdjustY )
 return false;
 
 if( m_widthAdjust != aPcbPlotParams.m_widthAdjust )
 return false;
 
 if( m_textMode != aPcbPlotParams.m_textMode )
 return false;
 
 if( m_blackAndWhite != aPcbPlotParams.m_blackAndWhite )
 return false;
 
 if( !m_outputDirectory.IsSameAs( aPcbPlotParams.m_outputDirectory ) )
 return false;
 
 return true;
}
 
 
bool PCB_PLOT_PARAMS::SetHPGLPenDiameter( double aValue )
{
 return setDouble( &m_HPGLPenDiam, aValue, HPGL_PEN_DIAMETER_MIN, HPGL_PEN_DIAMETER_MAX );
}
 
 
bool PCB_PLOT_PARAMS::SetHPGLPenSpeed( int aValue )
{
 return setInt( &m_HPGLPenSpeed, aValue, HPGL_PEN_SPEED_MIN, HPGL_PEN_SPEED_MAX );
}
 
 
PCB_PLOT_PARAMS_PARSER::PCB_PLOT_PARAMS_PARSER( LINE_READER* aReader ) :
 PCB_PLOT_PARAMS_LEXER( aReader )
{
}
 
 
PCB_PLOT_PARAMS_PARSER::PCB_PLOT_PARAMS_PARSER( char* aLine, const wxString& aSource ) :
 PCB_PLOT_PARAMS_LEXER( aLine, aSource )
{
}
 
 
void PCB_PLOT_PARAMS_PARSER::Parse( PCB_PLOT_PARAMS* aPcbPlotParams )
{
 T token;
 
 while( ( token = NextTok() ) != T_RIGHT )
 {
 if( token == T_EOF)
 Unexpected( T_EOF );
 
 if( token == T_LEFT )
 token = NextTok();
 
 if( token == T_pcbplotparams )
 continue;
 
 bool skip_right = false;
 
 switch( token )
 {
 case T_layerselection:
 {
 token = NeedSYMBOLorNUMBER();
 
 const std::string& cur = CurStr();
 
 if( token == T_NUMBER ) // pretty 3 format had legacy Cu stack.
 {
 // It's not possible to convert a legacy Cu layer number to a new Cu layer
 // number without knowing the number or total Cu layers in the legacy board.
 // We do not have that information here, so simply set all layers ON. User
 // can turn them off in the UI.
 aPcbPlotParams->m_layerSelection = LSET( { F_SilkS, B_SilkS } ) | LSET::AllCuMask();
 }
 else if( cur.find_first_of( "0x" ) == 0 ) // pretty ver. 4.
 {
 // skip the leading 2 0x bytes.
 aPcbPlotParams->m_layerSelection.ParseHex( cur.c_str() + 2, cur.size() - 2 );
 }
 else
 {
 Expecting( "integer or hex layerSelection" );
 }
 
 break;
 }
 
 case T_plot_on_all_layers_selection:
 {
 token = NeedSYMBOLorNUMBER();
 
 const std::string& cur = CurStr();
 
 if( cur.find_first_of( "0x" ) == 0 )
 {
 // skip the leading 2 0x bytes.
 aPcbPlotParams->m_plotOnAllLayersSelection.ParseHex( cur.c_str() + 2,
 cur.size() - 2 );
 }
 else
 {
 Expecting( "hex plot_on_all_layers_selection" );
 }
 
 break;
 }
 
 case T_disableapertmacros:
 aPcbPlotParams->m_gerberDisableApertMacros = parseBool();
 break;
 
 case T_usegerberextensions:
 aPcbPlotParams->m_useGerberProtelExtensions = parseBool();
 break;
 
 case T_usegerberattributes:
 aPcbPlotParams->m_useGerberX2format = parseBool();
 break;
 
 case T_usegerberadvancedattributes:
 aPcbPlotParams->m_includeGerberNetlistInfo = parseBool();
 break;
 
 case T_creategerberjobfile:
 aPcbPlotParams->m_createGerberJobFile = parseBool();
 break;
 
 case T_gerberprecision:
 aPcbPlotParams->m_gerberPrecision = parseInt( gbrDefaultPrecision - 1,
 gbrDefaultPrecision);
 break;
 
 case T_dashed_line_dash_ratio:
 aPcbPlotParams->m_dashedLineDashRatio = parseDouble();
 break;
 
 case T_dashed_line_gap_ratio:
 aPcbPlotParams->m_dashedLineGapRatio = parseDouble();
 break;
 
 case T_svgprecision:
 aPcbPlotParams->m_svgPrecision = parseInt( SVG_PRECISION_MIN, SVG_PRECISION_MAX );
 break;
 
 case T_svguseinch:
 parseBool(); // Unused. For compatibility
 break;
 
 case T_psa4output:
 aPcbPlotParams->m_A4Output = parseBool();
 break;
 
 case T_excludeedgelayer:
 if( !parseBool() )
 aPcbPlotParams->m_plotOnAllLayersSelection.set( Edge_Cuts );
 
 break;
 
 case T_plotframeref:
 aPcbPlotParams->m_plotDrawingSheet = parseBool();
 break;
 
 case T_viasonmask:
 aPcbPlotParams->m_plotViaOnMaskLayer = parseBool();
 break;
 
 case T_mode:
 aPcbPlotParams->SetPlotMode( parseInt( 0, 2 ) > 1 ? SKETCH : FILLED );
 break;
 
 case T_useauxorigin:
 aPcbPlotParams->m_useAuxOrigin = parseBool();
 break;
 
 case T_hpglpennumber:
 aPcbPlotParams->m_HPGLPenNum = parseInt( HPGL_PEN_NUMBER_MIN, HPGL_PEN_NUMBER_MAX );
 break;
 
 case T_hpglpenspeed:
 aPcbPlotParams->m_HPGLPenSpeed = parseInt( HPGL_PEN_SPEED_MIN, HPGL_PEN_SPEED_MAX );
 break;
 
 case T_hpglpendiameter:
 aPcbPlotParams->m_HPGLPenDiam = parseDouble();
 break;
 
 case T_hpglpenoverlay:
 // No more used. just here for compatibility with old versions
 parseInt( 0, HPGL_PEN_DIAMETER_MAX );
 break;
 
 case T_pdf_front_fp_property_popups:
 aPcbPlotParams->m_PDFFrontFPPropertyPopups = parseBool();
 break;
 
 case T_pdf_back_fp_property_popups:
 aPcbPlotParams->m_PDFFrontFPPropertyPopups = parseBool();
 break;
 
 case T_pdf_metadata:
 aPcbPlotParams->m_PDFMetadata = parseBool();
 break;
 
 case T_dxfpolygonmode:
 aPcbPlotParams->m_DXFPolygonMode = parseBool();
 break;
 
 case T_dxfimperialunits:
 aPcbPlotParams->m_DXFUnits = parseBool() ? DXF_UNITS::INCHES
 : DXF_UNITS::MILLIMETERS;
 break;
 
 case T_dxfusepcbnewfont:
 aPcbPlotParams->m_textMode = parseBool() ? PLOT_TEXT_MODE::DEFAULT
 : PLOT_TEXT_MODE::NATIVE;
 break;
 
 case T_pscolor:
 NeedSYMBOL(); // This actually was never used...
 break;
 
 case T_psnegative:
 aPcbPlotParams->m_negative = parseBool();
 break;
 
 case T_plotreference:
 aPcbPlotParams->m_plotReference = parseBool();
 break;
 
 case T_plotfptext:
 aPcbPlotParams->m_plotFPText = parseBool();
 break;
 
 case T_plotvalue:
 aPcbPlotParams->m_plotValue = parseBool();
 break;
 
 case T_plotinvisibletext:
 aPcbPlotParams->m_plotInvisibleText = parseBool();
 break;
 
 case T_sketchpadsonfab:
 aPcbPlotParams->m_sketchPadsOnFabLayers= parseBool();
 break;
 
 case T_plotpadnumbers:
 aPcbPlotParams->m_plotPadNumbers = parseBool();
 break;
 
 case T_subtractmaskfromsilk:
 aPcbPlotParams->m_subtractMaskFromSilk = parseBool();
 break;
 
 case T_outputformat:
 aPcbPlotParams->m_format = static_cast<PLOT_FORMAT>(
 parseInt( static_cast<int>( PLOT_FORMAT::FIRST_FORMAT ),
 static_cast<int>( PLOT_FORMAT::LAST_FORMAT ) ) );
 break;
 
 case T_mirror:
 aPcbPlotParams->m_mirror = parseBool();
 break;
 
 case T_drillshape:
 aPcbPlotParams->m_drillMarks = static_cast<DRILL_MARKS> ( parseInt( 0, 2 ) );
 break;
 
 case T_scaleselection:
 aPcbPlotParams->m_scaleSelection = parseInt( 0, 4 );
 break;
 
 case T_outputdirectory:
 NeedSYMBOLorNUMBER(); // a dir name can be like a number
 aPcbPlotParams->m_outputDirectory = From_UTF8( CurText() );
 break;
 
 default:
 skipCurrent(); // skip unknown or outdated plot parameter
 skip_right = true; // the closing right token is already read.
 break;
 }
 
 if( ! skip_right )
 NeedRIGHT();
 }
}
 
 
bool PCB_PLOT_PARAMS_PARSER::parseBool()
{
 T token = NeedSYMBOL();
 
 switch( token )
 {
 case T_false:
 case T_no:
 return false;
 
 case T_true:
 case T_yes:
 return true;
 
 default:
 Expecting( "true, false, yes, or no" );
 return false;
 }
}
 
 
int PCB_PLOT_PARAMS_PARSER::parseInt( int aMin, int aMax )
{
 T token = NextTok();
 
 if( token != T_NUMBER )
 Expecting( T_NUMBER );
 
 int val = atoi( CurText() );
 
 if( val < aMin )
 val = aMin;
 else if( val > aMax )
 val = aMax;
 
 return val;
}
 
 
double PCB_PLOT_PARAMS_PARSER::parseDouble()
{
 T token = NextTok();
 
 if( token != T_NUMBER )
 Expecting( T_NUMBER );
 
 return DSNLEXER::parseDouble();
}
 
 
void PCB_PLOT_PARAMS_PARSER::skipCurrent()
{
 int curr_level = 0;
 T token;
 
 while( ( token = NextTok() ) != T_EOF )
 {
 if( token == T_LEFT )
 curr_level--;
 
 if( token == T_RIGHT )
 {
 curr_level++;
 
 if( curr_level > 0 )
 return;
 }
 }
}