148 lines
3.4 KiB
C++
148 lines
3.4 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) 2021 Thomas Pointhuber <thomas.pointhuber@gmx.at>
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* Copyright (C) 2021 KiCad Developers, see AUTHORS.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 ALTIUM_RULE_TRANSFORMER_H
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#define ALTIUM_RULE_TRANSFORMER_H
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#include "wx/string.h"
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// See: https://www.altium.com/documentation/altium-designer/query-operators-ad
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enum class ALTIUM_RULE_TOKEN_KIND
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{
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UNKNOWN,
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IDENT,
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CONST_INT,
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CONST_FLOAT,
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CONST_STRING,
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CONST_TRUE,
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CONST_FALSE,
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LPAR,
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RPAR,
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ADD,
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SUB,
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MUL,
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DIV,
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INTEGRAL_DIV,
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MOD,
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AND,
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LOW_AND,
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OR,
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LOW_OR,
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XOR,
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NOT,
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LESS,
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LESS_EQUAL,
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GREATER_EQUAL,
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GREATER,
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NOT_EQUAL,
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EQUAL,
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BETWEEN,
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LIKE,
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END_OF_EXPR
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};
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struct ALTIUM_RULE_TOKEN
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{
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ALTIUM_RULE_TOKEN_KIND kind;
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size_t pos;
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long iValue;
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double fValue;
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wxString sValue;
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ALTIUM_RULE_TOKEN() :
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kind( ALTIUM_RULE_TOKEN_KIND::UNKNOWN ), pos( 0 ), iValue( 0 ), fValue( 0. ),
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sValue( "" )
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{
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}
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ALTIUM_RULE_TOKEN( ALTIUM_RULE_TOKEN_KIND aKind, size_t aPos ) :
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kind( aKind ), pos( aPos ), iValue( 0 ), fValue( 0. ), sValue( "" )
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{
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}
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ALTIUM_RULE_TOKEN( ALTIUM_RULE_TOKEN_KIND aKind, size_t aPos, long aValue ) :
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kind( aKind ), pos( aPos ), iValue( aValue ), fValue( 0. ), sValue( "" )
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{
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}
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ALTIUM_RULE_TOKEN( ALTIUM_RULE_TOKEN_KIND aKind, size_t aPos, float aValue ) :
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kind( aKind ), pos( aPos ), iValue( 0 ), fValue( aValue ), sValue( "" )
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{
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}
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ALTIUM_RULE_TOKEN( ALTIUM_RULE_TOKEN_KIND aKind, size_t aPos, wxString aValue ) :
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kind( aKind ), pos( aPos ), iValue( 0 ), fValue( 0. ), sValue( aValue )
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{
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}
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};
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class ALTIUM_RULE_TOKENIZER
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{
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public:
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ALTIUM_RULE_TOKENIZER( const wxString& aExpr ) : m_pos( 0 ), m_expr( aExpr )
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{
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m_it = m_expr.begin();
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Next();
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}
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const ALTIUM_RULE_TOKEN& Next();
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const ALTIUM_RULE_TOKEN& Peek() const;
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private:
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wxUniChar curChar() { return *m_it; }
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wxUniChar nextChar()
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{
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if( m_it != m_expr.end() )
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{
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m_it++;
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m_pos++;
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if( m_it != m_expr.end() )
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return *( m_it );
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}
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return wxUniChar();
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}
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size_t m_pos;
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const wxString m_expr;
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wxString::const_iterator m_it;
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ALTIUM_RULE_TOKEN m_currentToken;
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ALTIUM_RULE_TOKEN m_nextToken;
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};
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#endif //ALTIUM_RULE_TRANSFORMER_H
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