src/detail/base64.cpp

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base64.cpp

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boost::burl::detail::base64_encode(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&, std::basic_string_view<char, std::char_traits<char> >) :20 12x 91.7% 88.9% 88.0%

Line	Branch	Hits	Source Code
1			//
2			// Copyright (c) 2026 Mohammad Nejati
3			//
4			// Distributed under the Boost Software License, Version 1.0. (See accompanying
5			// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6			//
7			// Official repository: https://github.com/cppalliance/burl
8			//
9
10			#include "base64.hpp"
11
12			namespace boost
13			{
14			namespace burl
15			{
16			namespace detail
17			{
18
19			void
20		12x	base64_encode(std::string& dest, std::string_view src)
21			{
22			// Adapted from Boost.Beast project
23		12x	char const* in = src.data();
24			static char constexpr tab[] = {
25			"ABCDEFGHIJKLMNOP"
26			"QRSTUVWXYZabcdef"
27			"ghijklmnopqrstuv"
28			"wxyz0123456789+/"
29			};
30
31	2/2 ✓ Branch 1 taken 16 times. ✓ Branch 2 taken 12 times.	28x	for(auto n = src.size() / 3; n--;)
32			{
33		✗	dest.append({
34		16x	tab[(in[0] & 0xfc) >> 2],
35		16x	tab[((in[0] & 0x03) << 4) + ((in[1] & 0xf0) >> 4)],
36		16x	tab[((in[2] & 0xc0) >> 6) + ((in[1] & 0x0f) << 2)],
37	1/1 ✓ Branch 1 taken 16 times.	16x	tab[in[2] & 0x3f] });
38		16x	in += 3;
39			}
40
41	3/4 ✓ Branch 1 taken 2 times. ✓ Branch 2 taken 2 times. ✓ Branch 3 taken 8 times. ✗ Branch 4 not taken.	12x	switch(src.size() % 3)
42			{
43		2x	case 2:
44		✗	dest.append({
45		2x	tab[ (in[0] & 0xfc) >> 2],
46		2x	tab[((in[0] & 0x03) << 4) + ((in[1] & 0xf0) >> 4)],
47	1/1 ✓ Branch 1 taken 2 times.	2x	tab[ (in[1] & 0x0f) << 2],
48			'=' });
49		2x	break;
50		2x	case 1:
51		4x	dest.append({
52		2x	tab[ (in[0] & 0xfc) >> 2],
53	1/1 ✓ Branch 1 taken 2 times.	2x	tab[((in[0] & 0x03) << 4)],
54			'=',
55			'=' });
56		2x	break;
57		8x	case 0:
58		8x	break;
59			}
60		12x	}
61
62			} // namespace detail
63			} // namespace burl
64			} // namespace boost
65