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#ifndef HIGHLIGHTER_H
#define HIGHLIGHTER_H

#include <QSyntaxHighlighter>
#include <QTextCharFormat>
#include <QQuickTextDocument>

QT_BEGIN_NAMESPACE
class QTextDocument;
QT_END_NAMESPACE

//! [0]
class Highlighter : public QSyntaxHighlighter {
  Q_OBJECT

public:
  // This is the function to handle from QML
  Q_INVOKABLE void setQuickDocument(QQuickTextDocument *doc) {
    setDocument(doc->textDocument());
  }

public:
  Highlighter(QTextDocument *parent = 0);

protected:
  void highlightBlock(const QString &text) override;

private:
  struct HighlightingRule {
    QRegExp pattern;
    QTextCharFormat format;
  };
  QVector<HighlightingRule> highlightingRules;

  QRegExp commentStartExpression;
  QRegExp commentEndExpression;

  QTextCharFormat keywordFormat;
  QTextCharFormat classFormat;
  QTextCharFormat singleLineCommentFormat;
  QTextCharFormat multiLineCommentFormat;
  QTextCharFormat quotationFormat;
  QTextCharFormat functionFormat;
};
//! [0]

#endif // HIGHLIGHTER_H