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koffice/lib/kformula/symboltable.cpp

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4.0 KiB

/* 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.
*/
#include <tqfile.h>
#include <tqregexp.h>
#include <tqstring.h>
#include <tqstringlist.h>
#include <tqtextstream.h>
#include <tqfontmetrics.h>
#include <tdeconfig.h>
#include <kdebug.h>
#include <tdeglobal.h>
#include <tdelocale.h>
#include <kstandarddirs.h>
#include "symboltable.h"
#include "contextstyle.h"
#include "unicodetable.cpp"
KFORMULA_NAMESPACE_BEGIN
#include "symbolfontmapping.cpp"
SymbolFontHelper::SymbolFontHelper()
: greek("abgdezhqiklmnxpvrstufjcywGDTQLXPSUFYVW")
{
for ( uint i = 0; symbolMap[ i ].unicode != 0; i++ ) {
compatibility[ symbolMap[ i ].pos ] = symbolMap[ i ].unicode;
}
}
TQChar SymbolFontHelper::unicodeFromSymbolFont( TQChar pos ) const
{
if ( compatibility.contains( pos ) ) {
return compatibility[ pos.latin1() ];
}
return TQChar::null;
}
SymbolTable::SymbolTable()
{
}
void SymbolTable::init( const TQFont& font )
{
backupFont = font;
for ( int i=0; operatorTable[i].unicode != 0; ++i ) {
names[TQChar( operatorTable[i].unicode )] = get_name( operatorTable[i] );
entries[get_name( operatorTable[i] )] = TQChar( operatorTable[i].unicode );
}
for ( int i=0; arrowTable[i].unicode != 0; ++i ) {
names[TQChar( arrowTable[i].unicode )] = get_name( arrowTable[i] );
entries[get_name( arrowTable[i] )] = TQChar( arrowTable[i].unicode );
}
for ( int i=0; greekTable[i].unicode != 0; ++i ) {
names[TQChar( greekTable[i].unicode )] = get_name( greekTable[i] );
entries[get_name( greekTable[i] )] = TQChar( greekTable[i].unicode );
}
}
bool SymbolTable::contains(TQString name) const
{
return entries.find( name ) != entries.end();
}
TQChar SymbolTable::unicode(TQString name) const
{
return entries[ name ];
}
TQString SymbolTable::name( TQChar symbol ) const
{
return names[symbol];
}
TQFont SymbolTable::font( TQChar symbol, const TQFont& f ) const {
TQFontMetrics fm( f );
if ( fm.inFont( symbol ) ) {
return f;
}
return TQFont("Arev Sans");
}
CharClass SymbolTable::charClass( TQChar symbol ) const
{
return ORDINARY;
// FIXME
// return entry( symbol, style ).charClass();
}
TQChar SymbolTable::unicodeFromSymbolFont( TQChar pos ) const
{
return symbolFontHelper.unicodeFromSymbolFont( pos );
}
TQString SymbolTable::greekLetters() const
{
return symbolFontHelper.greekLetters();
}
TQStringList SymbolTable::allNames() const
{
TQStringList list;
for ( int i=0; operatorTable[i].unicode != 0; ++i ) {
list.append( get_name( operatorTable[i] ));
}
for ( int i=0; arrowTable[i].unicode != 0; ++i ) {
list.append( get_name( arrowTable[i] ));
}
for ( int i=0; greekTable[i].unicode != 0; ++i ) {
list.append( get_name( greekTable[i] ) );
}
return list;
}
TQString SymbolTable::get_name( struct UnicodeNameTable entry ) const
{
if ( !*entry.name ) {
return "U" + TQString( "%1" ).arg( entry.unicode, 4, 16 ).upper();
}
return entry.name;
}
KFORMULA_NAMESPACE_END