624 lines
15 KiB
C++
624 lines
15 KiB
C++
/**
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* @file page_layout_reader.cpp
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* @brief read an S expression of description of graphic items and texts
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* to build a title block and page layout
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*/
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/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 1992-2013 Jean-Pierre Charras <jp.charras at wanadoo.fr>.
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* Copyright (C) 1992-2013 KiCad Developers, see change_log.txt for contributors.
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <fctsys.h>
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#include <base_struct.h>
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#include <worksheet.h>
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#include <worksheet_shape_builder.h>
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#include <math/vector2d.h>
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#include <page_layout_reader_lexer.h>
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using namespace TB_READER_T;
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/**
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* Class PAGE_LAYOUT_READER_PARSER
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* holds data and functions pertinent to parsing a S-expression file
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* for a WORKSHEET_LAYOUT.
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*/
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class PAGE_LAYOUT_READER_PARSER : public PAGE_LAYOUT_READER_LEXER
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{
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DSIZE m_defaultTextSize; // Default text size, when not defined inside a tbtext
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double m_defaultLineWidth;
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double m_defaulTextLineWidth;
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public:
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PAGE_LAYOUT_READER_PARSER( const char* aLine, const wxString& aSource );
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void Parse( WORKSHEET_LAYOUT* aLayout )
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throw( PARSE_ERROR, IO_ERROR );
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private:
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/**
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* Function parseInt
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* parses an integer and constrains it between two values.
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* @param aMin is the smallest return value.
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* @param aMax is the largest return value.
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* @return int - the parsed integer.
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*/
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int parseInt( int aMin, int aMax );
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/**
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* Function parseDouble
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* parses a double
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* @return double - the parsed double.
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*/
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double parseDouble();
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void parseSetup() throw( IO_ERROR, PARSE_ERROR );
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void parseGraphic( WORKSHEET_DATAITEM * aItem ) throw( IO_ERROR, PARSE_ERROR );
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void parseText( WORKSHEET_DATAITEM_TEXT * aItem ) throw( IO_ERROR, PARSE_ERROR );
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void parsePolygon( WORKSHEET_DATAITEM_POLYPOLYGON * aItem )
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throw( IO_ERROR, PARSE_ERROR );
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void parsePolyOutline( WORKSHEET_DATAITEM_POLYPOLYGON * aItem )
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throw( IO_ERROR, PARSE_ERROR );
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void parseCoordinate( POINT_COORD& aCoord) throw( IO_ERROR, PARSE_ERROR );
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};
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// PCB_PLOT_PARAMS_PARSER
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PAGE_LAYOUT_READER_PARSER::PAGE_LAYOUT_READER_PARSER( const char* aLine, const wxString& aSource ) :
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PAGE_LAYOUT_READER_LEXER( aLine, aSource )
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{
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m_defaultTextSize.x = m_defaultTextSize.y = TB_DEFAULT_TEXTSIZE;
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m_defaultLineWidth = 0.0;
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m_defaulTextLineWidth = 0.0;
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}
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void PAGE_LAYOUT_READER_PARSER::Parse( WORKSHEET_LAYOUT* aLayout )
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throw( PARSE_ERROR, IO_ERROR )
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{
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T token;
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WORKSHEET_DATAITEM * item;
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LOCALE_IO toggle;
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while( ( token = NextTok() ) != T_RIGHT )
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{
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if( token == T_EOF)
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break;
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if( token == T_LEFT )
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token = NextTok();
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if( token == T_page_layout )
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continue;
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switch( token )
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{
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case T_setup: // Defines default values for graphic items
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parseSetup();
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break;
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case T_line:
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item = new WORKSHEET_DATAITEM( WORKSHEET_DATAITEM::WS_SEGMENT );
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parseGraphic( item );
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aLayout->Append( item );
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break;
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case T_rect:
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item = new WORKSHEET_DATAITEM( WORKSHEET_DATAITEM::WS_RECT );
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parseGraphic( item );
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aLayout->Append( item );
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break;
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case T_polygon:
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item = new WORKSHEET_DATAITEM_POLYPOLYGON();
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parsePolygon( (WORKSHEET_DATAITEM_POLYPOLYGON*) item );
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aLayout->Append( item );
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break;
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case T_tbtext:
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NeedSYMBOLorNUMBER();
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item = new WORKSHEET_DATAITEM_TEXT( FromUTF8() );
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parseText( (WORKSHEET_DATAITEM_TEXT*) item );
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aLayout->Append( item );
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break;
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default:
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Unexpected( CurText() );
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break;
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}
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}
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}
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void PAGE_LAYOUT_READER_PARSER::parseSetup() throw( IO_ERROR, PARSE_ERROR )
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{
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T token;
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while( ( token = NextTok() ) != T_RIGHT )
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{
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if( token == T_EOF)
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break;
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switch( token )
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{
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case T_LEFT:
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break;
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case T_linewidth:
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m_defaultLineWidth = parseDouble();
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NeedRIGHT();
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break;
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case T_textsize:
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m_defaultTextSize.x = parseDouble();
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m_defaultTextSize.y = parseDouble();
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NeedRIGHT();
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break;
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case T_textlinewidth:
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m_defaulTextLineWidth = parseDouble();
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NeedRIGHT();
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break;
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default:
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Unexpected( CurText() );
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break;
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}
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}
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}
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void PAGE_LAYOUT_READER_PARSER::parsePolygon( WORKSHEET_DATAITEM_POLYPOLYGON * aItem )
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throw( IO_ERROR, PARSE_ERROR )
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{
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aItem->m_LineWidth = 0;
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T token;
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while( ( token = NextTok() ) != T_RIGHT )
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{
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if( token == T_EOF)
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break;
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if( token == T_LEFT )
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token = NextTok();
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switch( token )
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{
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case T_comment: // Comment, search the closing ')'
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while( ( token = NextTok() ) != T_RIGHT && token != T_EOF );
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break;
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case T_pos:
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parseCoordinate( aItem->m_Pos );
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break;
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case T_pts:
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parsePolyOutline( aItem );
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aItem->CloseContour();
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break;
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case T_rotate:
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aItem->m_Orient = parseDouble();
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NeedRIGHT();
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break;
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case T_repeat:
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aItem->m_RepeatCount = parseInt( -1, 100 );
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NeedRIGHT();
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break;
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case T_incrx:
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aItem->m_IncrementVector.x = parseDouble();
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NeedRIGHT();
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break;
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case T_incry:
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aItem->m_IncrementVector.y = parseDouble();
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NeedRIGHT();
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break;
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case T_linewidth:
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aItem->m_LineWidth = parseDouble();
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NeedRIGHT();
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break;
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default:
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Unexpected( CurText() );
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break;
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}
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}
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aItem->SetBoundingBox();
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}
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void PAGE_LAYOUT_READER_PARSER::parsePolyOutline( WORKSHEET_DATAITEM_POLYPOLYGON * aItem )
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throw( IO_ERROR, PARSE_ERROR )
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{
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DPOINT corner;
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T token;
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while( ( token = NextTok() ) != T_RIGHT )
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{
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if( token == T_EOF)
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break;
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if( token == T_LEFT )
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token = NextTok();
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switch( token )
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{
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case T_xy:
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corner.x = parseDouble();
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corner.y = parseDouble();
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aItem->AppendCorner( corner );
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NeedRIGHT();
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break;
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default:
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Unexpected( CurText() );
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break;
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}
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}
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}
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void PAGE_LAYOUT_READER_PARSER::parseGraphic( WORKSHEET_DATAITEM * aItem )
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throw( IO_ERROR, PARSE_ERROR )
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{
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T token;
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aItem->m_LineWidth = m_defaultLineWidth;
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while( ( token = NextTok() ) != T_RIGHT )
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{
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if( token == T_EOF)
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break;
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if( token == T_LEFT )
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token = NextTok();
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switch( token )
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{
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case T_comment: // Comment, search the closing ')'
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while( ( token = NextTok() ) != T_RIGHT && token != T_EOF );
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break;
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case T_start:
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parseCoordinate( aItem->m_Pos );
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break;
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case T_end:
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parseCoordinate( aItem->m_End );
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break;
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case T_repeat:
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aItem->m_RepeatCount = parseInt( -1, 100 );
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NeedRIGHT();
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break;
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case T_incrx:
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aItem->m_IncrementVector.x = parseDouble();
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NeedRIGHT();
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break;
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case T_incry:
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aItem->m_IncrementVector.y = parseDouble();
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NeedRIGHT();
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break;
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case T_linewidth:
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aItem->m_LineWidth = parseDouble();
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NeedRIGHT();
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break;
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default:
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Unexpected( CurText() );
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break;
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}
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}
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}
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void PAGE_LAYOUT_READER_PARSER::parseText( WORKSHEET_DATAITEM_TEXT* aItem )
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throw( IO_ERROR, PARSE_ERROR )
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{
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T token;
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aItem->m_TextSize = m_defaultTextSize;
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aItem->m_LineWidth = m_defaulTextLineWidth;
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while( ( token = NextTok() ) != T_RIGHT )
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{
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if( token == T_EOF)
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break;
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if( token == T_LEFT )
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token = NextTok();
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switch( token )
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{
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case T_comment: // Comment, search the closing ')'
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while( ( token = NextTok() ) != T_RIGHT && token != T_EOF );
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break;
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case T_pos:
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parseCoordinate( aItem->m_Pos );
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break;
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case T_repeat:
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aItem->m_RepeatCount = parseInt( -1, 100 );
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NeedRIGHT();
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break;
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case T_incrx:
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aItem->m_IncrementVector.x = parseDouble();
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NeedRIGHT();
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break;
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case T_incry:
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aItem->m_IncrementVector.y = parseDouble();
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NeedRIGHT();
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break;
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case T_incrlabel:
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aItem->m_IncrementLabel = parseInt(INT_MIN, INT_MAX);
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NeedRIGHT();
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break;
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case T_maxlen:
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aItem->m_BoundingBoxSize.x = parseDouble();
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NeedRIGHT();
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break;
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case T_maxheight:
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aItem->m_BoundingBoxSize.y = parseDouble();
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NeedRIGHT();
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break;
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case T_font:
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while( ( token = NextTok() ) != T_RIGHT )
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{
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if( token == T_EOF)
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break;
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switch( token )
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{
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case T_LEFT:
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break;
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case T_bold:
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aItem->m_Flags |= USE_BOLD;
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break;
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case T_italic:
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aItem->m_Flags |= USE_ITALIC;
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break;
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case T_size:
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aItem->m_TextSize.x = parseDouble();
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aItem->m_TextSize.y = parseDouble();
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NeedRIGHT();
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break;
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case T_linewidth:
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aItem->m_LineWidth = parseDouble();
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NeedRIGHT();
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break;
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default:
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Unexpected( CurText() );
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break;
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}
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}
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break;
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case T_justify:
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while( ( token = NextTok() ) != T_RIGHT )
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{
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if( token == T_EOF)
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break;
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switch( token )
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{
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case T_center:
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aItem->m_Hjustify = GR_TEXT_HJUSTIFY_CENTER;
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aItem->m_Vjustify = GR_TEXT_VJUSTIFY_CENTER;
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break;
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case T_left:
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aItem->m_Hjustify = GR_TEXT_HJUSTIFY_LEFT;
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break;
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case T_right:
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aItem->m_Hjustify = GR_TEXT_HJUSTIFY_RIGHT;
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break;
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case T_top:
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aItem->m_Vjustify = GR_TEXT_VJUSTIFY_TOP;
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break;
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case T_bottom:
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aItem->m_Vjustify = GR_TEXT_VJUSTIFY_BOTTOM;
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break;
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default:
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Unexpected( CurText() );
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break;
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}
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}
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break;
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case T_rotate:
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aItem->m_Orient = parseDouble();
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NeedRIGHT();
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break;
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default:
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Unexpected( CurText() );
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break;
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}
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}
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}
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// parse an expression like " 25 1 ltcorner)"
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void PAGE_LAYOUT_READER_PARSER::parseCoordinate( POINT_COORD& aCoord)
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throw( IO_ERROR, PARSE_ERROR )
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{
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T token;
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aCoord.m_Pos.x = parseDouble();
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aCoord.m_Pos.y = parseDouble();
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while( ( token = NextTok() ) != T_RIGHT )
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{
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switch( token )
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{
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case T_ltcorner:
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aCoord.m_Anchor = LT_CORNER; // left top corner
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break;
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case T_lbcorner:
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aCoord.m_Anchor = LB_CORNER; // left bottom corner
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break;
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case T_rbcorner:
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aCoord.m_Anchor = RB_CORNER; // right bottom corner
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break;
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case T_rtcorner:
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aCoord.m_Anchor = RT_CORNER; // right top corner
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break;
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default:
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Unexpected( CurText() );
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break;
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}
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}
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}
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int PAGE_LAYOUT_READER_PARSER::parseInt( int aMin, int aMax )
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{
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T token = NextTok();
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if( token != T_NUMBER )
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Expecting( T_NUMBER );
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int val = atoi( CurText() );
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if( val < aMin )
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val = aMin;
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else if( val > aMax )
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val = aMax;
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return val;
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}
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double PAGE_LAYOUT_READER_PARSER::parseDouble()
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{
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T token = NextTok();
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if( token != T_NUMBER )
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Expecting( T_NUMBER );
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double val = strtod( CurText(), NULL );
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return val;
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}
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// defaultPageLayout is the default page layout description
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// using the S expr.
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// see page_layout_default_shape.cpp
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extern const char defaultPageLayout[];
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void WORKSHEET_LAYOUT::SetDefaultLayout()
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{
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ClearList();
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PAGE_LAYOUT_READER_PARSER lp_parser( defaultPageLayout, wxT( "default page" ) );
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try
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{
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lp_parser.Parse( this );
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}
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catch( IO_ERROR ioe )
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{
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wxLogMessage( ioe.errorText );
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}
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}
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#include <wx/file.h>
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// SetLayout() try to load a custom layout file,
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// currently defined by the environment variable KICAD_WKSFILE
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// (a *.kicad_wks file).
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// if does not exists, loads the default page layout.
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void WORKSHEET_LAYOUT::SetLayout()
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{
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wxString fullFileName;
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wxGetEnv( wxT( "KICAD_WKSFILE" ), &fullFileName );
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if( fullFileName.IsEmpty() || !wxFileExists( fullFileName ) )
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{
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#if 0
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if( !fullFileName.IsEmpty() )
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{
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wxLogMessage( wxT("Page layout file <%s> not found"),
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fullFileName.GetData() );
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}
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#endif
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SetDefaultLayout();
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return;
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}
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wxFile wksFile( fullFileName );
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if( ! wksFile.IsOpened() )
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{
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SetDefaultLayout();
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return;
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}
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int filelen = wksFile.Length();
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char * buffer = new char[filelen+10];
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if( wksFile.Read( buffer, filelen ) != filelen )
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wxLogMessage( _("The file <%s> was not fully read"),
|
|
fullFileName.GetData() );
|
|
else
|
|
{
|
|
buffer[filelen]=0;
|
|
ClearList();
|
|
PAGE_LAYOUT_READER_PARSER lp_parser( buffer, fullFileName );
|
|
|
|
try
|
|
{
|
|
lp_parser.Parse( this );
|
|
}
|
|
catch( IO_ERROR ioe )
|
|
{
|
|
wxLogMessage( ioe.errorText );
|
|
}
|
|
}
|
|
|
|
delete[] buffer;
|
|
}
|