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128 lines
3.1 KiB
128 lines
3.1 KiB
/*
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**************************************************************************
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description
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--------------------
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copyright : (C) 2000-2001 by Andreas Zehender
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email : zehender@kde.org
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**************************************************************************
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**************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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**************************************************************************/
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#ifndef PMSYMBOLTABLE_H
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#define PMSYMBOLTABLE_H
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "pmvalue.h"
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class PMObject;
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class PMDeclare;
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#include <tqdict.h>
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#include <tqstring.h>
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/**
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* Entry in a @ref PMSymbolTable. Can be a @ref PMValue or a @ref PMObject
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*/
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class PMSymbol
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{
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public:
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enum PMSymbolType { Value, Object };
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/**
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* Creates a entry for an object
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*/
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PMSymbol( const TQString& id, PMDeclare* o );
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/**
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* Creates a entry for a value
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*/
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PMSymbol( const TQString& id, const PMValue& v );
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/**
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* Destructor
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*/
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~PMSymbol( );
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/**
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* Returns the type of the symbol
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*/
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PMSymbolType type( ) const { return m_type; }
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/**
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* Returns the id of the symbol
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*/
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TQString id( ) const { return m_id; }
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/**
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* Sets the id
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*/
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void setId( const TQString& id );
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/**
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* Returns the stored object
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*/
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PMDeclare* object( ) const;
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/**
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* Returns the stored value
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*/
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PMValue value( ) const;
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/**
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* The maximum length for povray ids
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*/
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static const unsigned int MaxIDLength = 40;
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/**
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* If the parser parses a declare object with this id, the
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* new id is renamed. This function returns a pointer to the
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* renamed symbol.
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*/
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PMSymbol* renamedSymbol( ) const { return m_pRenamedSymbol; }
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/**
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* Sets the renamed declare object to symbol
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*/
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void setRenamedSymbol( PMSymbol* symbol ) { m_pRenamedSymbol = symbol; }
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private:
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PMSymbolType m_type;
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PMDeclare* m_pObj;
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PMSymbol* m_pRenamedSymbol;
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PMValue* m_pVal;
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TQString m_id;
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};
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/**
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* Symbol table for povray #declare statements
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*/
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class PMSymbolTable : public TQDict<PMSymbol>
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{
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public:
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/**
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* Constructor
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*/
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PMSymbolTable( );
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/**
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* Destructor
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*/
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~PMSymbolTable( );
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/**
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* Returns a free id with prefix prefix and a number as suffix
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*/
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TQString findNewID( const TQString& prefix );
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/**
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* Returns a free id with prefix prefix and a number as suffix and assigns
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* it to the object.
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*
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* Does NOT add the object to the symbol table.
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*
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* Returns the new symbol.*/
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PMSymbol* findNewID( const TQString& prefix, PMDeclare* obj );
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private:
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TQDict<int> m_lastID;
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};
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#endif
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