/usr/include/qgis/qgsexpressionhighlighter.h is in libqgis-dev 2.4.0-1+b1.
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The actual contents of the file can be viewed below.
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qgsexpressionhighlighter.h - A syntax highlighter for a qgsexpression
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Date : 28-Dec-2011
Copyright : (C) 2011 by Nathan Woodrow
Email : woodrow.nathan at gmail dot com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef QGSEXPRESSIONHIGHLIGHTER_H
#define QGSEXPRESSIONHIGHLIGHTER_H
#include "qgsfield.h"
#include <QSyntaxHighlighter>
#include <QHash>
#include <QTextCharFormat>
#include <QStringList>
class QTextDocument;
class GUI_EXPORT QgsExpressionHighlighter : public QSyntaxHighlighter
{
Q_OBJECT
public:
QgsExpressionHighlighter( QTextDocument *parent = 0 );
void addFields( QStringList fieldList );
protected:
void highlightBlock( const QString &text );
private:
struct HighlightingRule
{
QRegExp pattern;
QTextCharFormat format;
};
QVector<HighlightingRule> highlightingRules;
QTextCharFormat columnNameFormat;
QTextCharFormat keywordFormat;
QTextCharFormat quotationFormat;
QTextCharFormat functionFormat;
};
#endif // QGSEXPRESSIONHIGHLIGHTER_H
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