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Diffstat (limited to 'src/qt3support/text/q3syntaxhighlighter_p.h')
| -rw-r--r-- | src/qt3support/text/q3syntaxhighlighter_p.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/qt3support/text/q3syntaxhighlighter_p.h b/src/qt3support/text/q3syntaxhighlighter_p.h new file mode 100644 index 0000000..73820c7 --- /dev/null +++ b/src/qt3support/text/q3syntaxhighlighter_p.h @@ -0,0 +1,114 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the Qt3Support module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, 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 1.0, 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 Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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 |