kicad/pcbnew/pcb_parser.h

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