BLT/include/blt/nbt/nbt.h

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/*
* Created by Brett on 27/01/23.
* Licensed under GNU General Public License V3.0
* See LICENSE file for license detail
*/
#ifndef BLT_TESTS_NBT_H
#define BLT_TESTS_NBT_H
#include <fstream>
#include <ios>
#include "blt/std/format.h"
namespace blt::nbt {
void writeUTF8String(std::fstream& stream, const std::string& str);
std::string readUTF8String(std::fstream& stream);
class NBTByteReader {
public:
virtual void readBytes(char* buffer, size_t bytes) = 0;
};
class NBTByteFStreamReader : public NBTByteReader {
private:
std::fstream& m_stream;
size_t m_bufferSize;
char* m_buffer;
size_t readIndex = 0;
public:
explicit NBTByteFStreamReader(std::fstream& stream, size_t bufferSize):
m_stream(stream), m_bufferSize(bufferSize), m_buffer(new char[bufferSize]) {}
explicit NBTByteFStreamReader(NBTByteFStreamReader& copy) = delete;
explicit NBTByteFStreamReader(NBTByteFStreamReader&& move) = delete;
NBTByteFStreamReader& operator=(const NBTByteFStreamReader& copy) = delete;
void readBytes(char* buffer, size_t bytes) override;
~NBTByteFStreamReader() {
delete[] m_buffer;
}
};
class NBTDecoder {
private:
NBTByteReader* m_reader;
public:
explicit NBTDecoder(NBTByteReader* reader): m_reader(reader) {}
};
/**
* Reads the entire NBT file when the read() function is called.
*/
class NBTReader {
private:
std::string m_file;
public:
explicit NBTReader(std::string file): m_file(std::move(file)) {}
};
}
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#endif //BLT_TESTS_NBT_H