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/****************************************************************************
**
** Definition of the internal TQSyntaxHighlighterInternal class
**
** Created : 031111
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the widgets module of the TQt GUI Toolkit.
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free TQt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
** included in the packaging of this file. Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#ifndef TQSYNTAXHIGHLIGHTER_P_H
#define TQSYNTAXHIGHLIGHTER_P_H
#ifndef QT_NO_SYNTAXHIGHLIGHTER
#include "qsyntaxhighlighter.h"
#include "private/qrichtext_p.h"
class TQSyntaxHighlighterPrivate
{
public:
TQSyntaxHighlighterPrivate() :
currentParagraph( -1 )
{}
int currentParagraph;
};
class TQSyntaxHighlighterInternal : public TQTextPreProcessor
{
public:
TQSyntaxHighlighterInternal( TQSyntaxHighlighter *h ) : highlighter( h ) {}
void process( TQTextDocument *doc, TQTextParagraph *p, int, bool invalidate ) {
if ( p->prev() && p->prev()->endState() == -1 )
process( doc, p->prev(), 0, FALSE );
highlighter->para = p;
TQString text = p->string()->toString();
int endState = p->prev() ? p->prev()->endState() : -2;
int oldEndState = p->endState();
highlighter->d->currentParagraph = p->paragId();
p->setEndState( highlighter->highlightParagraph( text, endState ) );
highlighter->d->currentParagraph = -1;
highlighter->para = 0;
p->setFirstPreProcess( FALSE );
TQTextParagraph *op = p;
p = p->next();
if ( (!!oldEndState || !!op->endState()) && oldEndState != op->endState() &&
invalidate && p && !p->firstPreProcess() && p->endState() != -1 ) {
while ( p ) {
if ( p->endState() == -1 )
return;
p->setEndState( -1 );
p = p->next();
}
}
}
TQTextFormat *format( int ) { return 0; }
private:
TQSyntaxHighlighter *highlighter;
friend class TQTextEdit;
};
#endif // QT_NO_SYNTAXHIGHLIGHTER
#endif // TQSYNTAXHIGHLIGHTER_P_H
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