#include "Bytex.h"

/* Private functions */

char Bytex::digitToHexChar(int digit) {
	if (digit < 10)
		return '0' + digit;
	return 'A' + digit - 10;
}

int Bytex::hexCharToNum(char hexChar) {
	if (hexChar <= '9')
		return hexChar - '0';
	return hexChar - 'A' + 10;
}

void Bytex::byteValToHex() {
	int front = byteVal / 16, back = byteVal % 16;
	hexVal[0] = digitToHexChar(front);
	hexVal[1] = digitToHexChar(back);
}

void Bytex::hexValToByte() {
	byteVal = hexCharToNum(hexVal[0]) * 16 + hexCharToNum(hexVal[1]);
}

/* Public functions */

Bytex::Bytex() : Bytex('\0')
{}

Bytex::Bytex(char byteVal) {
	this->byteVal = byteVal;
	byteValToHex();
}

Bytex::Bytex(const char* hexVal) {
	this->hexVal[0] = hexVal[0];
	this->hexVal[1] = hexVal[1];
	hexValToByte();
}

char Bytex::getByte() const {
	return byteVal;
}

void Bytex::getHex(char* output) const {
	output[0] = hexVal[0];
	output[1] = hexVal[1];
}