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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the Qt3Support module of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #ifndef Q3SYNTAXHIGHLIGHTER_P_H |
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43 #define Q3SYNTAXHIGHLIGHTER_P_H |
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44 |
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45 // |
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46 // W A R N I N G |
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47 // ------------- |
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48 // |
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49 // This file is not part of the Qt API. It exists purely as an |
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50 // implementation detail. This header file may change from version to |
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51 // version without notice, or even be removed. |
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52 // |
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53 // We mean it. |
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54 // |
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55 |
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56 #ifndef QT_NO_SYNTAXHIGHLIGHTER |
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57 #include "q3syntaxhighlighter.h" |
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58 #include "private/q3richtext_p.h" |
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59 |
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60 QT_BEGIN_NAMESPACE |
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61 |
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62 class Q3SyntaxHighlighterPrivate |
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63 { |
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64 public: |
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65 Q3SyntaxHighlighterPrivate() : |
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66 currentParagraph(-1) |
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67 {} |
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68 |
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69 int currentParagraph; |
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70 }; |
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71 |
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72 class Q3SyntaxHighlighterInternal : public Q3TextPreProcessor |
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73 { |
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74 public: |
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75 Q3SyntaxHighlighterInternal(Q3SyntaxHighlighter *h) : highlighter(h) {} |
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76 void process(Q3TextDocument *doc, Q3TextParagraph *p, int, bool invalidate) { |
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77 if (p->prev() && p->prev()->endState() == -1) |
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78 process(doc, p->prev(), 0, false); |
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79 |
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80 highlighter->para = p; |
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81 QString text = p->string()->toString(); |
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82 int endState = p->prev() ? p->prev()->endState() : -2; |
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83 int oldEndState = p->endState(); |
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84 highlighter->d->currentParagraph = p->paragId(); |
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85 p->setEndState(highlighter->highlightParagraph(text, endState)); |
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86 highlighter->d->currentParagraph = -1; |
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87 highlighter->para = 0; |
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88 |
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89 p->setFirstPreProcess(false); |
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90 Q3TextParagraph *op = p; |
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91 p = p->next(); |
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92 if ((!!oldEndState || !!op->endState()) && oldEndState != op->endState() && |
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93 invalidate && p && !p->firstPreProcess() && p->endState() != -1) { |
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94 while (p) { |
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95 if (p->endState() == -1) |
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96 return; |
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97 p->setEndState(-1); |
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98 p = p->next(); |
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99 } |
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100 } |
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101 } |
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102 Q3TextFormat *format(int) { return 0; } |
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103 |
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104 private: |
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105 Q3SyntaxHighlighter *highlighter; |
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106 |
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107 friend class Q3TextEdit; |
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108 }; |
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109 |
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110 #endif // QT_NO_SYNTAXHIGHLIGHTER |
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111 |
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112 QT_END_NAMESPACE |
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113 |
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114 #endif // Q3SYNTAXHIGHLIGHTER_P_H |