BLT/src/blt/nbt/nbt.cpp

42 lines
1.3 KiB
C++
Executable File

/*
* Created by Brett on 29/01/23.
* Licensed under GNU General Public License V3.0
* See LICENSE file for license detail
*/
#include <blt/nbt/nbt.h>
#include <blt/std/logging.h>
#include <type_traits>
namespace blt::nbt {
void writeUTF8String(blt::fs::block_writer& stream, const std::string& str) {
blt::string::utf8_string str8 = blt::string::createUTFString(str);
stream.write(str8.characters, str8.size);
delete[] str8.characters;
}
std::string readUTF8String(blt::fs::block_reader& stream) {
unsigned short utflen;
stream.read(reinterpret_cast<char*>(&utflen), sizeof(utflen));
blt::string::utf8_string str{};
str.size = utflen;
str.characters = new char[str.size];
stream.read(str.characters, str.size);
auto strOut = blt::string::getStringFromUTF8(str);
delete[] str.characters;
return strOut;
}
void NBTReader::read() {
char t = reader.get();
if (t != (char)nbt_tag::COMPOUND)
throw std::runtime_error("Incorrectly formatted NBT data! Root tag must be a compound tag!");
root = new tag_compound;
root->readName(reader);
root->readPayload(reader);
}
}