1 files changed, 128 insertions, 0 deletions
diff --git a/kpovmodeler/pmsymboltable.h b/kpovmodeler/pmsymboltable.h
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+++ b/kpovmodeler/pmsymboltable.h
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+//-*-C++-*-
+/*
+**************************************************************************
+                                 description
+                             --------------------
+    copyright            : (C) 2000-2001 by Andreas Zehender
+    email                : [email protected]
+**************************************************************************
+
+**************************************************************************
+*                                                                        *
+*  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.                                   *
+*                                                                        *
+**************************************************************************/
+
+
+#ifndef PMSYMBOLTABLE_H
+#define PMSYMBOLTABLE_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "pmvalue.h"
+class PMObject;
+class PMDeclare;
+
+#include <qdict.h>
+#include <qstring.h>
+
+/**
+ * Entry in a @ref PMSymbolTable. Can be a @ref PMValue or a @ref PMObject
+ */
+
+class PMSymbol
+{
+public:
+   enum PMSymbolType { Value, Object };
+   /**
+    * Creates a entry for an object
+    */
+   PMSymbol( const QString& id, PMDeclare* o );
+   /**
+    * Creates a entry for a value
+    */
+   PMSymbol( const QString& id, const PMValue& v );
+   /**
+    * Destructor
+    */
+   ~PMSymbol( );
+
+   /**
+    * Returns the type of the symbol
+    */
+   PMSymbolType type( ) const { return m_type; }
+   /**
+    * Returns the id of the symbol
+    */
+   QString id( ) const { return m_id; }
+   /**
+    * Sets the id
+    */
+   void setId( const QString& id );
+   /**
+    * Returns the stored object
+    */
+   PMDeclare* object( ) const;
+   /**
+    * Returns the stored value
+    */
+   PMValue value( ) const;
+   /**
+    * The maximum length for povray ids
+    */
+   static const unsigned int MaxIDLength = 40;
+   /**
+    * If the parser parses a declare object with this id, the
+    * new id is renamed. This function returns a pointer to the
+    * renamed symbol.
+    */
+   PMSymbol* renamedSymbol( ) const { return m_pRenamedSymbol; }
+   /**
+    * Sets the renamed declare object to symbol
+    */
+   void setRenamedSymbol( PMSymbol* symbol ) { m_pRenamedSymbol = symbol; }
+    
+private:
+   PMSymbolType m_type;
+   PMDeclare* m_pObj;
+   PMSymbol* m_pRenamedSymbol;
+   PMValue* m_pVal;
+   QString m_id;
+};
+
+/**
+ * Symbol table for povray #declare statements
+ */
+class PMSymbolTable : public QDict<PMSymbol>
+{
+public:
+   /**
+    * Constructor
+    */
+   PMSymbolTable( );
+   /**
+    * Destructor
+    */
+   ~PMSymbolTable( );
+   /**
+    * Returns a free id with prefix prefix and a number as suffix
+    */
+   QString findNewID( const QString& prefix );
+   /**
+    * Returns a free id with prefix prefix and a number as suffix and assigns
+    * it to the object.
+    *
+    * Does NOT add the object to the symbol table.
+    *
+    * Returns the new symbol.*/
+   PMSymbol* findNewID( const QString& prefix, PMDeclare* obj );
+private:
+   QDict<int> m_lastID;
+};
+
+#endif