| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2023 Vinnie Falco (vinnie.falco@gmail.com) | ||
| 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/http_proto | ||
| 9 | // | ||
| 10 | |||
| 11 | #ifndef BOOST_HTTP_PROTO_DETAIL_IMPL_FILTER_HPP | ||
| 12 | #define BOOST_HTTP_PROTO_DETAIL_IMPL_FILTER_HPP | ||
| 13 | |||
| 14 | #include <boost/buffers/range.hpp> | ||
| 15 | #include <boost/buffers/sans_prefix.hpp> | ||
| 16 | |||
| 17 | namespace boost { | ||
| 18 | namespace http_proto { | ||
| 19 | namespace detail { | ||
| 20 | |||
| 21 | template< | ||
| 22 | class MutableBufferSequence, | ||
| 23 | class ConstBufferSequence> | ||
| 24 | auto | ||
| 25 | 70593 | filter:: | |
| 26 | process_impl( | ||
| 27 | MutableBufferSequence const& out, | ||
| 28 | ConstBufferSequence const& in, | ||
| 29 | bool more) -> | ||
| 30 | results | ||
| 31 | { | ||
| 32 | 70593 | results rv; | |
| 33 | |||
| 34 | 70593 | auto it_o = buffers::begin(out); | |
| 35 | 70593 | auto it_i = buffers::begin(in); | |
| 36 | |||
| 37 | 211779 | auto ob = [&]() -> buffers::mutable_buffer | |
| 38 | { | ||
| 39 |
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70593 | if( it_o != buffers::end(out) ) |
| 40 | 70593 | return *it_o++; | |
| 41 | ✗ | return {}; | |
| 42 | 70593 | }(); | |
| 43 | |||
| 44 | 70593 | buffers::const_buffer ib; | |
| 45 | |||
| 46 | 63990 | for(;;) | |
| 47 | { | ||
| 48 | 268887 | while( ib.size() == 0 ) | |
| 49 | { | ||
| 50 | 197961 | if( it_i == buffers::end(in) ) | |
| 51 | { | ||
| 52 | 63657 | if( more ) | |
| 53 | 70593 | return rv; | |
| 54 | |||
| 55 | // if more == false we return only | ||
| 56 | // when output buffers are full. | ||
| 57 | 129 | break; | |
| 58 | } | ||
| 59 | else | ||
| 60 | { | ||
| 61 | 134304 | ib = *it_i++; | |
| 62 | } | ||
| 63 | } | ||
| 64 | |||
| 65 | // empty input buffers may be passed, and | ||
| 66 | // this is intentional and valid. | ||
| 67 | 71055 | results rs = process_impl( | |
| 68 | ob, | ||
| 69 | ib, | ||
| 70 | 71055 | more || it_i != buffers::end(in)); | |
| 71 | |||
| 72 | 71055 | rv.out_bytes += rs.out_bytes; | |
| 73 | 71055 | rv.in_bytes += rs.in_bytes; | |
| 74 | 71055 | rv.ec = rs.ec; | |
| 75 | 71055 | rv.finished = rs.finished; | |
| 76 | |||
| 77 | 71055 | if( rv.finished || rv.ec ) | |
| 78 | 194 | return rv; | |
| 79 | |||
| 80 | 70861 | ob = buffers::sans_prefix(ob, rs.out_bytes); | |
| 81 | 70861 | ib = buffers::sans_prefix(ib, rs.in_bytes); | |
| 82 | |||
| 83 | 76801 | while( ob.size() == 0 ) | |
| 84 | { | ||
| 85 | 12811 | if( it_o == buffers::end(out) ) | |
| 86 | 6871 | return rv; | |
| 87 | 5940 | ob = *it_o++; | |
| 88 | } | ||
| 89 | } | ||
| 90 | } | ||
| 91 | |||
| 92 | } // detail | ||
| 93 | } // http_proto | ||
| 94 | } // boost | ||
| 95 | |||
| 96 | #endif | ||
| 97 |