#include "VarInt.h"

VarInt::VarInt(const std::byte *data) {
    auto pByte = reinterpret_cast<const uint8_t*>(data);
    switch (*pByte) {
        case 0xfd: _value = *((uint16_t*)(pByte + 1)); _size = 2 + 1; break;
        case 0xfe: _value = *((uint32_t*)(pByte + 1)); _size = 4 + 1; break;
        case 0xff: _value = *((uint64_t*)(pByte + 1)); _size = 8 + 1; break;
        default: _value = *pByte; _size = 1; break;
    }
}

uint64_t VarInt::value() const {
    return _value;
}

uint8_t VarInt::size() const {
    return _size;
}