use-context.h

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#include <QDebug>
#include <parser/contexts/base-context.h>
 
#pragma once
 
namespace Parser {
 
class UseContext : public BaseContext {
public:
  UseContext(BaseContext const &parent) : BaseContext(parent) {
    qInfo() << "<use>";
  }
 
  boost::optional<double> const &width() const { return width_; }
 
  boost::optional<double> const &height() const { return height_; }
 
  using BaseContext::set;
 
  template<class IRI>
  void set(tag::attribute::xlink::href, tag::iri_fragment,
           IRI const &fragment) {
    fragment_id_.assign(boost::begin(fragment), boost::end(fragment));
  }
 
  template<class IRI>
  void set(tag::attribute::xlink::href, IRI const &fragment) {
    std::cerr << "External references aren't supported\n";
  }
 
  void set(tag::attribute::x, double val) { x_ = val; }
 
  void set(tag::attribute::y, double val) { y_ = val; }
 
  void set(tag::attribute::width, double val) { width_ = val; }
 
  void set(tag::attribute::height, double val) { height_ = val; }
 
  void on_exit_element();
 
private:
  std::string fragment_id_;
  double x_, y_;
  boost::optional<double> width_, height_;
};
 
}