269 lines
8.8 KiB
C++
269 lines
8.8 KiB
C++
/*
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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) 2012 CERN
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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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/**
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* @file pcb_parser.h
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* @brief Pcbnew s-expression file format parser definition.
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*/
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#ifndef _PCBNEW_PARSER_H_
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#define _PCBNEW_PARSER_H_
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#include <pcb_lexer.h>
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#include <hashtables.h>
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#include <layers_id_colors_and_visibility.h> // LAYER_NUM
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#include <common.h> // KiROUND
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using namespace PCB_KEYS_T;
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class BOARD;
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class BOARD_ITEM;
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class D_PAD;
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class DIMENSION;
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class DRAWSEGMENT;
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class EDA_TEXT;
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class EDGE_MODULE;
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class TEXTE_MODULE;
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class TEXTE_PCB;
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class TRACK;
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class MODULE;
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class PCB_TARGET;
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class SEGVIA;
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class S3D_MASTER;
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class ZONE_CONTAINER;
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/**
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* Class PCB_PARSER
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* reads a Pcbnew s-expression formatted #LINE_READER object and returns the appropriate
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* #BOARD_ITEM object.
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*/
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class PCB_PARSER : public PCB_LEXER
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{
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typedef boost::unordered_map< std::string, LAYER_NUM > LAYER_NUM_MAP;
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typedef boost::unordered_map< std::string, LAYER_MSK > LAYER_MSK_MAP;
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BOARD* m_board;
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LAYER_NUM_MAP m_layerIndices; ///< map layer name to it's index
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LAYER_MSK_MAP m_layerMasks; ///< map layer names to their masks
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/**
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* Function init
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* clears and re-establishes m_layerMap with the default layer names.
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* m_layerMap will have some of its entries overwritten whenever a (new) board
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* is encountered.
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*/
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void init();
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void parseHeader() throw( IO_ERROR, PARSE_ERROR );
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void parseGeneralSection() throw( IO_ERROR, PARSE_ERROR );
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void parsePAGE_INFO() throw( IO_ERROR, PARSE_ERROR );
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void parseTITLE_BLOCK() throw( IO_ERROR, PARSE_ERROR );
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void parseLayers() throw( IO_ERROR, PARSE_ERROR );
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void parseSetup() throw( IO_ERROR, PARSE_ERROR );
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void parseNETINFO_ITEM() throw( IO_ERROR, PARSE_ERROR );
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void parseNETCLASS() throw( IO_ERROR, PARSE_ERROR );
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DRAWSEGMENT* parseDRAWSEGMENT() throw( IO_ERROR, PARSE_ERROR );
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TEXTE_PCB* parseTEXTE_PCB() throw( IO_ERROR, PARSE_ERROR );
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DIMENSION* parseDIMENSION() throw( IO_ERROR, PARSE_ERROR );
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/**
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* Function parseModule
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* @param aInitialComments may be a pointer to a heap allocated initial comment block
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* or NULL. If not NULL, then caller has given ownership of a wxArrayString to
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* this function and care must be taken to delete it even on exception.
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*/
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MODULE* parseMODULE( wxArrayString* aInitialComments = 0 ) throw( IO_ERROR, PARSE_ERROR );
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TEXTE_MODULE* parseTEXTE_MODULE() throw( IO_ERROR, PARSE_ERROR );
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EDGE_MODULE* parseEDGE_MODULE() throw( IO_ERROR, PARSE_ERROR );
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D_PAD* parseD_PAD() throw( IO_ERROR, PARSE_ERROR );
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TRACK* parseTRACK() throw( IO_ERROR, PARSE_ERROR );
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SEGVIA* parseSEGVIA() throw( IO_ERROR, PARSE_ERROR );
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ZONE_CONTAINER* parseZONE_CONTAINER() throw( IO_ERROR, PARSE_ERROR );
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PCB_TARGET* parsePCB_TARGET() throw( IO_ERROR, PARSE_ERROR );
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BOARD* parseBOARD() throw( IO_ERROR, PARSE_ERROR );
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/**
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* Function lookUpLayer
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* parses the current token for the layer definition of a #BOARD_ITEM object.
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*
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* @param aMap is the LAYER_{NUM|MSK}_MAP to use for the lookup.
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*
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* @throw IO_ERROR if the layer is not valid.
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* @throw PARSE_ERROR if the layer syntax is incorrect.
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* @return int - The result of the parsed #BOARD_ITEM layer or set designator.
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*/
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template<class T, class M>
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T lookUpLayer( const M& aMap ) throw( PARSE_ERROR, IO_ERROR );
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/**
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* Function parseBoardItemLayer
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* parses the layer definition of a #BOARD_ITEM object.
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*
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* @throw IO_ERROR if the layer is not valid.
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* @throw PARSE_ERROR if the layer syntax is incorrect.
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* @return The index the parsed #BOARD_ITEM layer.
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*/
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LAYER_NUM parseBoardItemLayer() throw( IO_ERROR, PARSE_ERROR );
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/**
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* Function parseBoardItemLayersAsMask
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* parses the layers definition of a #BOARD_ITEM object.
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*
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* @throw IO_ERROR if any of the layers is not valid.
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* @throw PARSE_ERROR if the layers syntax is incorrect.
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* @return The mask of layers the parsed #BOARD_ITEM is on.
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*/
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LAYER_MSK parseBoardItemLayersAsMask() throw( PARSE_ERROR, IO_ERROR );
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/**
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* Function parseXY
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* parses a coordinate pair (xy X Y) in board units (mm).
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*
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* The parser checks if the previous token was T_LEFT and parses the remainder of
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* the token syntax. This is used when parsing a list of coordinate points. This
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* way the parser can be used in either case.
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*
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* @throw PARSE_ERROR if the coordinate pair syntax is incorrect.
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* @return A wxPoint object containing the coordinate pair.
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*/
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wxPoint parseXY() throw( PARSE_ERROR );
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void parseXY( int* aX, int* aY ) throw( PARSE_ERROR );
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/**
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* Function parseEDA_TEXT
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* parses the common settings for any object derived from #EDA_TEXT.
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*
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* @throw PARSE_ERROR if the text syntax is not valid.
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* @param aText A point to the #EDA_TEXT object to save the parsed settings into.
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*/
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void parseEDA_TEXT( EDA_TEXT* aText ) throw( PARSE_ERROR );
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S3D_MASTER* parse3DModel() throw( PARSE_ERROR );
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/**
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* Function parseDouble
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* parses the current token as an ASCII numeric string with possible leading
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* whitespace into a double precision floating point number.
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*
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* @throw IO_ERROR if an error occurs attempting to convert the current token.
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* @return The result of the parsed token.
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*/
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double parseDouble() throw( IO_ERROR );
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inline double parseDouble( const char* aExpected ) throw( IO_ERROR )
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{
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NeedNUMBER( aExpected );
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return parseDouble();
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}
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inline double parseDouble( T aToken ) throw( IO_ERROR )
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{
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return parseDouble( GetTokenText( aToken ) );
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}
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inline int parseBoardUnits() throw( IO_ERROR )
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{
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// There should be no major rounding issues here, since the values in
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// the file are in mm and get converted to nano-meters.
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// See test program tools/test-nm-biu-to-ascii-mm-round-tripping.cpp
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// to confirm or experiment. Use a similar strategy in both places, here
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// and in the test program. Make that program with:
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// $ make test-nm-biu-to-ascii-mm-round-tripping
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return KiROUND( parseDouble() * IU_PER_MM );
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}
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inline int parseBoardUnits( const char* aExpected ) throw( PARSE_ERROR )
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{
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// Use here KiROUND, not KIROUND (see comments about them)
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// when having a function as argument, because it will be called twice
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// with KIROUND
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return KiROUND( parseDouble( aExpected ) * IU_PER_MM );
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}
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inline int parseBoardUnits( T aToken ) throw( PARSE_ERROR )
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{
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return parseBoardUnits( GetTokenText( aToken ) );
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}
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inline int parseInt() throw( PARSE_ERROR )
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{
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return (int)strtol( CurText(), NULL, 10 );
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}
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inline int parseInt( const char* aExpected ) throw( PARSE_ERROR )
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{
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NeedNUMBER( aExpected );
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return parseInt();
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}
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inline long parseHex() throw( PARSE_ERROR )
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{
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NextTok();
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return strtol( CurText(), NULL, 16 );
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}
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bool parseBool() throw( PARSE_ERROR );
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public:
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PCB_PARSER( LINE_READER* aReader = NULL ) :
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PCB_LEXER( aReader ),
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m_board( 0 )
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{
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init();
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}
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// ~PCB_PARSER() {}
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/**
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* Function SetLineReader
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* sets @a aLineReader into the parser, and returns the previous one, if any.
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* @param aReader is what to read from for tokens, no ownership is received.
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* @return LINE_READER* - previous LINE_READER or NULL if none.
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*/
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LINE_READER* SetLineReader( LINE_READER* aReader )
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{
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LINE_READER* ret = PopReader();
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PushReader( aReader );
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return ret;
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}
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void SetBoard( BOARD* aBoard )
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{
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init();
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m_board = aBoard;
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}
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BOARD_ITEM* Parse() throw( IO_ERROR, PARSE_ERROR );
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};
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#endif // _PCBNEW_PARSER_H_
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