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/*
* libnbt++ - A library for the Minecraft Named Binary Tag format.
* Copyright (C) 2013, 2015 ljfa-ag
*
* This file is part of libnbt++.
*
* libnbt++ is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* libnbt++ is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with libnbt++. If not, see <http://www.gnu.org/licenses/>.
*/
#include "tag_compound.h"
#include "io/stream_reader.h"
#include "io/stream_writer.h"
#include <istream>
#include <sstream>
namespace nbt
{
tag_compound::tag_compound(std::initializer_list<std::pair<std::string, value_initializer>> init)
{
for(const auto& pair: init)
tags.emplace(std::move(pair.first), std::move(pair.second));
}
value& tag_compound::at(const std::string& key)
{
return tags.at(key);
}
const value& tag_compound::at(const std::string& key) const
{
return tags.at(key);
}
std::pair<tag_compound::iterator, bool> tag_compound::put(const std::string& key, value_initializer&& val)
{
auto it = tags.find(key);
if(it != tags.end())
{
it->second = std::move(val);
return {it, false};
}
else
{
return tags.emplace(key, std::move(val));
}
}
std::pair<tag_compound::iterator, bool> tag_compound::insert(const std::string& key, value_initializer&& val)
{
return tags.emplace(key, std::move(val));
}
bool tag_compound::erase(const std::string& key)
{
return tags.erase(key) != 0;
}
bool tag_compound::has_key(const std::string& key) const
{
return tags.find(key) != tags.end();
}
bool tag_compound::has_key(const std::string& key, tag_type type) const
{
auto it = tags.find(key);
return it != tags.end() && it->second.get_type() == type;
}
void tag_compound::read_payload(io::stream_reader& reader)
{
clear();
tag_type tt;
while((tt = reader.read_type(true)) != tag_type::End)
{
std::string key;
try
{
key = reader.read_string();
}
catch(io::input_error& ex)
{
std::ostringstream str;
str << "Error reading key of tag_" << tt;
throw io::input_error(str.str());
}
auto tptr = reader.read_payload(tt);
tags.emplace(std::move(key), value(std::move(tptr)));
}
}
void tag_compound::write_payload(io::stream_writer& writer) const
{
for(const auto& pair: tags)
writer.write_tag(pair.first, pair.second);
writer.write_type(tag_type::End);
}
}
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