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snwSyntaxHighlighter.cpp
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1 /*=========================================================================
2 This file is part of CustusX, an Image Guided Therapy Application.
3 
4 Copyright (c) 2008-2014, SINTEF Department of Medical Technology
5 All rights reserved.
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7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions are met:
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10 1. Redistributions of source code must retain the above copyright notice,
11  this list of conditions and the following disclaimer.
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13 2. Redistributions in binary form must reproduce the above copyright notice,
14  this list of conditions and the following disclaimer in the documentation
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17 3. Neither the name of the copyright holder nor the names of its contributors
18  may be used to endorse or promote products derived from this software
19  without specific prior written permission.
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21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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25 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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31 =========================================================================*/
32 
33 #include "snwSyntaxHighlighter.h"
34 #include <iostream>
35 
36 namespace snw
37 {
38 
39 SyntaxHighlighter::SyntaxHighlighter(QTextDocument* parent) : QSyntaxHighlighter(parent)
40 {
41 
42 }
43 
44 void SyntaxHighlighter::highlightBlock(const QString &text)
45 {
46  QTextCharFormat format;
47  QString pattern;
48 
49  //xml element: <elem>
50  format = QTextCharFormat();
51  format.setForeground(QColor("darkviolet"));
52  format.setFontWeight(QFont::Bold);
53  pattern = "<[^>]*>";
54  this->applyFormat(text, format, pattern);
55 
56  //xml comment: <!comment>
57  format = QTextCharFormat();
58  format.setForeground(QColor("green"));
59  format.setFontItalic(true);
60  pattern = "<![^>]*>";
61  applyFormat(text, format, pattern);
62 
63  //quotations: "text"
64  format = QTextCharFormat();
65  format.setForeground(QColor("blue"));
66  pattern = "\"[^\"]*\"";
67  applyFormat(text, format, pattern);
68 }
69 
70 void SyntaxHighlighter::highlightTimestamp(const QString &text)
71 {
72  QTextCharFormat format;
73  QString pattern;
74 
75  // timestamp format: [12:30:00 :000] with some parts optional
76  QString stampPattern = "^\\[?[0-9]{2}:[0-9]{2}:[0-9]{2}( :[0-9]{3})?\\]?";
77  // heading part: timestamp + function name from SW_LOG.
78  QString headingPattern = stampPattern+"\\s\\w*\\s--\\s";
79  headingPattern = headingPattern+"|------->.*"; // add the SW_LOG control lines.
80 
81  // set entire header to bold
82  format.setFontWeight(QFont::Bold);
83  format.setForeground(Qt::black);
84  applyFormat(text, format, headingPattern);
85 
86  // set the timestamp part to magenta
87  format.setFontWeight(QFont::Bold);
88  format.setForeground(Qt::darkMagenta);
89  applyFormat(text, format, stampPattern);
90 }
91 
92 void SyntaxHighlighter::applyFormat(const QString &text, const QTextCharFormat& format, const QString pattern)
93 {
94  QRegExp expression(pattern);
95  int index = text.indexOf(expression);
96  while (index >= 0)
97  {
98  int length = expression.matchedLength();
99 // std::cout << "---[hit] " << index << " " << length << " - " << text.mid(index,length).toStdString() << std::endl;
100  setFormat(index, length, format);
101  index = text.indexOf(expression, index + length);
102  }
103 }
104 
105 
106 } // namespace snw
SyntaxHighlighter(QTextDocument *parent)
RealScalar length() const
virtual void highlightBlock(const QString &text)