/**
 * @file JsonDiff.h
 * @brief Differs JSON objects
 * @date Jul 22, 2015
 * @author R.W.A. van der Heijden
 * @copyright 2015 Dual Inventive Technology Centre B.V.
 *
 * Compares two JSON objects or arrays with each other.
 */
#ifndef INCLUDE_DI_JSONDIFF_H_
#define INCLUDE_DI_JSONDIFF_H_

#include <memory>
#include <cstdint>

namespace Di {

class Json;

/**
 * @class JsonDiff
 *
 * JSON difference checker
 */
class JsonDiff {
 public:
	void setEpsilon(double epsilon);
	bool diff(std::shared_ptr<Json> from, std::shared_ptr<Json> to);

	JsonDiff() : _epsilon(0.001) {
	}

 protected:
	bool _iseq(double a, double b);
	bool _diffObject(std::shared_ptr<Json> from, std::shared_ptr<Json> to);
	bool _diffArray(std::shared_ptr<Json> from, std::shared_ptr<Json> to);

	double _epsilon;
};

}  // namespace Di

#endif  // INCLUDE_DI_JSONDIFF_H_