src/detail/zlib_filter_base.hpp

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1		//
2		// Copyright (c) 2023 Vinnie Falco ([email protected])
3		// Copyright (c) 2024 Mohammad Nejati
4		//
5		// Distributed under the Boost Software License, Version 1.0. (See accompanying
6		// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
7		//
8		// Official repository: https://github.com/cppalliance/buffers
9		//
10
11		#ifndef BOOST_HTTP_DETAIL_ZLIB_FILTER_BASE_HPP
12		#define BOOST_HTTP_DETAIL_ZLIB_FILTER_BASE_HPP
13
14		#include "src/detail/filter.hpp"
15
16		#include <boost/http/zlib/stream.hpp>
17		#include <boost/http/zlib/flush.hpp>
18
19		namespace boost {
20		namespace http {
21		namespace detail {
22
23		/** Base class for zlib filters
24		*/
25		class zlib_filter_base : public filter
26		{
27		public:
28	✗	zlib_filter_base()
29	✗	{
30	✗	strm_.zalloc = nullptr;
31	✗	strm_.zfree = nullptr;
32	✗	strm_.opaque = nullptr;
33	✗	}
34
35		protected:
36		http::zlib::stream strm_;
37
38		static
39		unsigned int
40	✗	saturate_cast(std::size_t n) noexcept
41		{
42	✗	if(n >= std::numeric_limits<unsigned int>::max())
43	✗	return std::numeric_limits<unsigned int>::max();
44	✗	return static_cast<unsigned int>(n);
45		}
46		};
47
48		} // detail
49		} // http
50		} // boost
51
52		#endif
53