src/detail/util.hpp

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util.hpp

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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			#ifndef BOOST_BURL_SRC_DETAIL_UTIL_HPP
11			#define BOOST_BURL_SRC_DETAIL_UTIL_HPP
12
13			#include <cstddef>
14			#include <filesystem>
15			#include <limits>
16			#include <string_view>
17			#include <optional>
18
19			namespace boost
20			{
21			namespace burl
22			{
23
24			class response;
25
26			namespace detail
27			{
28
29			template<class UInt>
30			std::size_t
31		7x	clamp(
32			UInt x,
33			std::size_t limit = (std::numeric_limits<std::size_t>::max)()) noexcept
34			{
35	1/2 ✓ Branch 0 taken 7 times. ✗ Branch 1 not taken.	7x	if(x >= limit)
36		7x	return limit;
37		✗	return static_cast<std::size_t>(x);
38			}
39
40			std::optional<std::string>
41			extract_filename_form_content_disposition(std::string_view sv);
42
43			// Resolve the destination path for writing a response body. If `dest` is a
44			// directory, derive a filename from the Content-Disposition header, falling
45			// back to the URL's last path segment, then to "index.html". Otherwise `dest`
46			// is returned unchanged.
47			std::filesystem::path
48			resolve_dest(response& resp, std::filesystem::path dest);
49
50			} // namespace detail
51			} // namespace burl
52			} // namespace boost
53
54			#endif
55