symboltable.h

/* This file is part of the KDE project
   Copyright (C) 2001 Andrea Rizzi <rizzi@kde.org>
                  Ulrich Kuettler <ulrich.kuettler@mailbox.tu-dresden.de>
   Copyright (C) 2006 Alfredo Beaumont Sainz <alfredo.beaumont@gmail.com>              
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
 
   This library 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
   Library General Public License for more details.
 
   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/
 
#ifndef SYMBOLTABLE_H
#define SYMBOLTABLE_H
 
#include <tqfont.h>
#include <tqmap.h>
#include <tqstring.h>
#include <tqstringlist.h>
#include <tqvaluevector.h>
 
#include "kformuladefs.h"
 
class TDEConfig;
 
KFORMULA_NAMESPACE_BEGIN
 
class ContextStyle;
struct UnicodeNameTable;

class SymbolFontHelper {
public:
 
    SymbolFontHelper();

    TQString greekLetters() const { return greek; }

    TQChar unicodeFromSymbolFont( TQChar pos ) const;
 
private:

    TQMap<TQChar, TQChar> compatibility;

    TQString greek;
};
 

class KOFORMULA_EXPORT SymbolTable {
public:
 
    SymbolTable();

    void init( const TQFont& font );
 
    bool contains( TQString name ) const;

    TQChar unicode( TQString name ) const;
    TQString name( TQChar symbol ) const;
 
    TQFont font( TQChar symbol, const TQFont& f ) const;
 
    CharClass charClass( TQChar symbol ) const;

    TQString greekLetters() const;

    TQChar unicodeFromSymbolFont( TQChar pos ) const;

    TQStringList allNames() const;
 
    typedef TQMap<TQChar, TQString> NameTable;
    typedef TQMap<TQString, TQChar> EntryTable;
 
private:
 
    TQString get_name( UnicodeNameTable entry ) const;

    NameTable names;

    EntryTable entries;

    SymbolFontHelper symbolFontHelper;

    TQFont backupFont;
};
 
KFORMULA_NAMESPACE_END
 
#endif // SYMBOLTABLE_H