96 lines
2.9 KiB
C
96 lines
2.9 KiB
C
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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) 2011 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
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* Copyright (C) 2010 Kicad Developers, see change_log.txt for contributors.
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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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#ifndef SCH_SWEET_PARSER_H_
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#define SCH_SWEET_PARSER_H_
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#include <utf8.h>
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#include <sweet_lexer.h>
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namespace SCH {
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class LIB_TABLE;
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class PART;
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class POLY_LINE;
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/**
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* Class SWEET_PARSER
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* scans a Sweet string as input and stuffs a PART.
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* <p>
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* Most functions in this class throw IO_ERROR and PARSE_ERROR. The IO_ERROR can
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* happen if there is difficulty reading the input stream.
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*/
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class SWEET_PARSER : public SWEET_LEXER
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{
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LIB_TABLE* libs;
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int contains; // separate from PART::contains until done
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// so we can see what we inherited from base PART
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// all these private functions rely on libs having been set via the public API, Parse( PART*)
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void parseExtends( PART* me );
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void parsePolyLine( POLY_LINE* me );
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public:
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/**
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* Constructor SWEET_PARSER
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* takes aSweet string and gets ready to parse it.
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* @param aSweet is the full description of a PART.
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* @param aSource is used in error reporting and describes where the Sweet
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* string came from in any appropriate way.
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*/
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SWEET_PARSER( const STRING& aSweet, const wxString& aSource = wxEmptyString ) :
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SWEET_LEXER( aSweet, aSource ),
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libs( 0 ),
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contains( 0 )
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{
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}
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SWEET_PARSER( LINE_READER* aLineReader ) :
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SWEET_LEXER( aLineReader ),
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libs( 0 ),
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contains( 0 )
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{
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}
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/**
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* Function Parse
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* stuffs @a aPart with data from this SWEET_LEXER, which has its own
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* sweet string source.
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* @param aPart is what is to be stuffed.
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* @param aTable is the view of the LIBs in play.
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*/
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void Parse( PART* aPart, LIB_TABLE* aTable ) throw( IO_ERROR, PARSE_ERROR );
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};
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} // namespace SCH
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#endif // SCH_SWEET_PARSER_H_
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