snwSyntaxHighlighter.cpp

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.

Copyright (c) 2008-2014, SINTEF Department of Medical Technology
All rights reserved.

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   this list of conditions and the following disclaimer.

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   and/or other materials provided with the distribution.

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   may be used to endorse or promote products derived from this software 
   without specific prior written permission.

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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
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#include "snwSyntaxHighlighter.h"
#include <iostream>

namespace snw
{

SyntaxHighlighter::SyntaxHighlighter(QTextDocument* parent) : QSyntaxHighlighter(parent)
{

}

void SyntaxHighlighter::highlightBlock(const QString &text)
{
        QTextCharFormat format;
        QString pattern;

  //xml element: <elem>
        format = QTextCharFormat();
        format.setForeground(QColor("darkviolet"));
  format.setFontWeight(QFont::Bold);
  pattern = "<[^>]*>";
        this->applyFormat(text, format, pattern);

  //xml comment: <!comment>
  format = QTextCharFormat();
  format.setForeground(QColor("green"));
  format.setFontItalic(true);
  pattern = "<![^>]*>";
  applyFormat(text, format, pattern);

  //quotations: "text"
  format = QTextCharFormat();
  format.setForeground(QColor("blue"));
  pattern = "\"[^\"]*\"";
  applyFormat(text, format, pattern);
}

void SyntaxHighlighter::highlightTimestamp(const QString &text)
{
        QTextCharFormat format;
        QString pattern;

        // timestamp format: [12:30:00 :000] with some parts optional
        QString stampPattern = "^\\[?[0-9]{2}:[0-9]{2}:[0-9]{2}( :[0-9]{3})?\\]?";
        // heading part: timestamp + function name from SW_LOG.
        QString headingPattern = stampPattern+"\\s\\w*\\s--\\s";
        headingPattern = headingPattern+"|------->.*"; // add the SW_LOG control lines.

        // set entire header to bold
        format.setFontWeight(QFont::Bold);
        format.setForeground(Qt::black);
        applyFormat(text, format, headingPattern);

        // set the timestamp part to magenta
        format.setFontWeight(QFont::Bold);
        format.setForeground(Qt::darkMagenta);
        applyFormat(text, format, stampPattern);
}

void SyntaxHighlighter::applyFormat(const QString &text, const QTextCharFormat& format, const QString pattern)
{
        QRegExp expression(pattern);
        int index = text.indexOf(expression);
        while (index >= 0)
        {
                int length = expression.matchedLength();
//              std::cout << "---[hit] " << index << " " << length << " - " << text.mid(index,length).toStdString() << std::endl;
                setFormat(index, length, format);
                index = text.indexOf(expression, index + length);
        }
}


} // namespace snw