merge json obejcts using nlohmann::json

mergeJson.hpp

#pragma once

#include "json.hpp"

namespace json {
static nlohmann::json merge(nlohmann::json src, const nlohmann::json &append, bool overwrite_leaf, int depth=-1)
{
	if(!src.is_object() || !append.is_object()) {
		if(overwrite_leaf) {
			return append;
		}
		else {
			return src;
		}
	}
	auto it = append.begin();
	while(it != append.end()) {
		auto found = src.find(it.key());
		if(found != src.end()) {
			if(depth != 0) {
				found.value() = merge(found.value(), it.value(), overwrite_leaf, depth-1);
			}
			else if(overwrite_leaf) {
				found.value() = it.value();
			}
		}
		else {
			src[it.key()] = it.value();
		}
		++it;
	}
	return src;
}
}