// Luanti
// SPDX-License-Identifier: LGPL-2.1-or-later
// Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>

#include "nameidmapping.h"
#include "exceptions.h"
#include "util/serialize.h"

void NameIdMapping::serialize(std::ostream &os) const
{
	writeU8(os, 0); // version
	writeU16(os, m_id_to_name.size());
	for (const auto &i : m_id_to_name) {
		writeU16(os, i.first);
		os << serializeString16(i.second);
	}
}

void NameIdMapping::deSerialize(std::istream &is)
{
	int version = readU8(is);
	if (version != 0)
		throw SerializationError("unsupported NameIdMapping version");
	u32 count = readU16(is);
	m_id_to_name.clear();
	m_name_to_id.clear();
	for (u32 i = 0; i < count; i++) {
		u16 id = readU16(is);
		std::string name = deSerializeString16(is);
		m_id_to_name[id] = name;
		m_name_to_id[name] = id;
	}
}