BitBuffer.cpp

#include "stdafx.h"

#include <stdexcept>
#include "BitBuffer.hpp"


namespace qrcodegen {

	BitBuffer::BitBuffer()
		: std::vector<bool>() {}


	void BitBuffer::appendBits(std::uint32_t val, int len) 
	{
		if (len < 0 || len > 31 || val >> len != 0)
			throw std::domain_error("Value out of range");

		for (int i = len - 1; i >= 0; i--)  // Append bit by bit
		{
			this->push_back(((val >> i) & 1) != 0);
		}
	}

}