xml_syntax_highlighter.hpp

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/* Author: Robert Haschke */
 
#pragma once
 
#include <QtGui/QSyntaxHighlighter>
#include <QRegularExpression>
#include <QStringView>
#include <map>
 
namespace moveit_setup
{
class XmlSyntaxHighlighter : public QSyntaxHighlighter
{
public:
  XmlSyntaxHighlighter(QTextDocument* parent = nullptr);
  void addTag(const QString& tag, const QTextCharFormat& format, const QString& parent = QString());
 
protected:
  void highlightBlock(const QString& text) override;
 
private:
  struct Rule
  {
    QRegularExpression start;
    QRegularExpression end;
    QTextCharFormat format;
    std::map<int, Rule>::const_iterator parent;
  };
  using Rules = std::map<int, Rule>;
  Rules rules_;
 
  Rules::const_iterator highlight(Rules::const_iterator active, QStringView text, int start, bool search_end, int& end);
};
 
}  // namespace moveit_setup