1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2015 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the Qt3Support module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see http://www.qt.io/terms-conditions. For further 15 ** information use the contact form at http://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 2.1 or version 3 as published by the Free 20 ** Software Foundation and appearing in the file LICENSE.LGPLv21 and 21 ** LICENSE.LGPLv3 included in the packaging of this file. Please review the 22 ** following information to ensure the GNU Lesser General Public License 23 ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and 24 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 25 ** 26 ** As a special exception, The Qt Company gives you certain additional 27 ** rights. These rights are described in The Qt Company LGPL Exception 28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. 29 ** 30 ** GNU General Public License Usage 31 ** Alternatively, this file may be used under the terms of the GNU 32 ** General Public License version 3.0 as published by the Free Software 33 ** Foundation and appearing in the file LICENSE.GPL included in the 34 ** packaging of this file. Please review the following information to 35 ** ensure the GNU General Public License version 3.0 requirements will be 36 ** met: http://www.gnu.org/copyleft/gpl.html. 37 ** 38 ** $QT_END_LICENSE$ 39 ** 40 ****************************************************************************/ 41 42 #ifndef Q3SYNTAXHIGHLIGHTER_P_H 43 #define Q3SYNTAXHIGHLIGHTER_P_H 44 45 // 46 // W A R N I N G 47 // ------------- 48 // 49 // This file is not part of the Qt API. It exists purely as an 50 // implementation detail. This header file may change from version to 51 // version without notice, or even be removed. 52 // 53 // We mean it. 54 // 55 56 #ifndef QT_NO_SYNTAXHIGHLIGHTER 57 #include "q3syntaxhighlighter.h" 58 #include "private/q3richtext_p.h" 59 60 QT_BEGIN_NAMESPACE 61 62 class Q3SyntaxHighlighterPrivate 63 { 64 public: Q3SyntaxHighlighterPrivate()65 Q3SyntaxHighlighterPrivate() : 66 currentParagraph(-1) 67 {} 68 69 int currentParagraph; 70 }; 71 72 class Q3SyntaxHighlighterInternal : public Q3TextPreProcessor 73 { 74 public: Q3SyntaxHighlighterInternal(Q3SyntaxHighlighter * h)75 Q3SyntaxHighlighterInternal(Q3SyntaxHighlighter *h) : highlighter(h) {} process(Q3TextDocument * doc,Q3TextParagraph * p,int,bool invalidate)76 void process(Q3TextDocument *doc, Q3TextParagraph *p, int, bool invalidate) { 77 if (p->prev() && p->prev()->endState() == -1) 78 process(doc, p->prev(), 0, false); 79 80 highlighter->para = p; 81 QString text = p->string()->toString(); 82 int endState = p->prev() ? p->prev()->endState() : -2; 83 int oldEndState = p->endState(); 84 highlighter->d->currentParagraph = p->paragId(); 85 p->setEndState(highlighter->highlightParagraph(text, endState)); 86 highlighter->d->currentParagraph = -1; 87 highlighter->para = 0; 88 89 p->setFirstPreProcess(false); 90 Q3TextParagraph *op = p; 91 p = p->next(); 92 if ((!!oldEndState || !!op->endState()) && oldEndState != op->endState() && 93 invalidate && p && !p->firstPreProcess() && p->endState() != -1) { 94 while (p) { 95 if (p->endState() == -1) 96 return; 97 p->setEndState(-1); 98 p = p->next(); 99 } 100 } 101 } format(int)102 Q3TextFormat *format(int) { return 0; } 103 104 private: 105 Q3SyntaxHighlighter *highlighter; 106 107 friend class Q3TextEdit; 108 }; 109 110 #endif // QT_NO_SYNTAXHIGHLIGHTER 111 112 QT_END_NAMESPACE 113 114 #endif // Q3SYNTAXHIGHLIGHTER_P_H 115