blob: b4429e4619073e125a77128da12bab6568789d4c [file] [log] [blame]
/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt3Support module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
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** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
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** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef Q3SYNTAXHIGHLIGHTER_P_H
#define Q3SYNTAXHIGHLIGHTER_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#ifndef QT_NO_SYNTAXHIGHLIGHTER
#include "q3syntaxhighlighter.h"
#include "private/q3richtext_p.h"
QT_BEGIN_NAMESPACE
class Q3SyntaxHighlighterPrivate
{
public:
Q3SyntaxHighlighterPrivate() :
currentParagraph(-1)
{}
int currentParagraph;
};
class Q3SyntaxHighlighterInternal : public Q3TextPreProcessor
{
public:
Q3SyntaxHighlighterInternal(Q3SyntaxHighlighter *h) : highlighter(h) {}
void process(Q3TextDocument *doc, Q3TextParagraph *p, int, bool invalidate) {
if (p->prev() && p->prev()->endState() == -1)
process(doc, p->prev(), 0, false);
highlighter->para = p;
QString 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);
Q3TextParagraph *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();
}
}
}
Q3TextFormat *format(int) { return 0; }
private:
Q3SyntaxHighlighter *highlighter;
friend class Q3TextEdit;
};
#endif // QT_NO_SYNTAXHIGHLIGHTER
QT_END_NAMESPACE
#endif // Q3SYNTAXHIGHLIGHTER_P_H