RESTinio

cache-control.hpp
Go to the documentation of this file.
1/*
2 * RESTinio
3 */
4
12#pragma once
13
14#include <restinio/helpers/http_field_parsers/basics.hpp>
15
16 namespace restinio
17{
18
19 namespace http_field_parsers
20{
21
22//
23// cache_control_value_t
24//
42 struct cache_control_value_t
43{
44 using directive_t = parameter_with_optional_value_t;
45
46 using directive_container_t = parameter_with_optional_value_container_t;
47
48 directive_container_t directives;
49
55 RESTINIO_NODISCARD
56 static auto
57 make_parser()
58 {
59 return produce< cache_control_value_t >(
60 non_empty_comma_separated_list_p< directive_container_t >(
61 produce< directive_t >(
62 token_p() >> to_lower() >> &directive_t::first,
63 maybe(
64 symbol('='),
65 alternatives(
66 token_p() >> &directive_t::second,
67 quoted_string_p() >> &directive_t::second
68 )
69 )
70 )
71 ) >> &cache_control_value_t::directives
72 );
73 }
74
80 RESTINIO_NODISCARD
81 static expected_t< cache_control_value_t, restinio::easy_parser::parse_error_t >
82 try_parse( string_view_t what )
83 {
84 return restinio::easy_parser::try_parse( what, make_parser() );
85 }
86};
87
88} /* namespace http_field_parsers */
89
90} /* namespace restinio */
91
basics.hpp
Utilities for parsing values of http-fields.
RESTINIO_NODISCARD
#define RESTINIO_NODISCARD
Definition: compiler_features.hpp:33
restinio::easy_parser::maybe
RESTINIO_NODISCARD auto maybe(Clauses &&... clauses)
A factory function to create an optional clause.
Definition: easy_parser.hpp:3634
restinio::easy_parser::symbol
RESTINIO_NODISCARD auto symbol(char expected) noexcept
A factory function to create a clause that expects the speficied symbol, extracts it and then skips i...
Definition: easy_parser.hpp:4032
restinio::easy_parser::try_parse
RESTINIO_NODISCARD expected_t< typename Producer::result_type, parse_error_t > try_parse(string_view_t from, Producer producer)
Perform the parsing of the specified content by using specified value producer.
Definition: easy_parser.hpp:5042
restinio::easy_parser::to_lower
RESTINIO_NODISCARD auto to_lower() noexcept
A factory function to create a to_lower_transformer.
Definition: easy_parser.hpp:4610
restinio::easy_parser::alternatives
RESTINIO_NODISCARD auto alternatives(Clauses &&... clauses)
A factory function to create an alternatives clause.
Definition: easy_parser.hpp:3595
restinio::http_field_parsers::parameter_with_optional_value_t
std::pair< std::string, restinio::optional_t< std::string > > parameter_with_optional_value_t
A type that describes a parameter with optional value.
Definition: basics.hpp:1696
restinio::http_field_parsers::token_p
RESTINIO_NODISCARD auto token_p() noexcept
A factory function to create a token_producer.
Definition: basics.hpp:985
restinio::http_field_parsers::quoted_string_p
RESTINIO_NODISCARD auto quoted_string_p() noexcept
A factory function to create a quoted_string_producer.
Definition: basics.hpp:1012
restinio::http_field_parsers::parameter_with_optional_value_container_t
std::vector< parameter_with_optional_value_t > parameter_with_optional_value_container_t
A type of container for parameters with optional values.
Definition: basics.hpp:1707
restinio
Definition: asio_include.hpp:21
restinio::string_view_t
nonstd::string_view string_view_t
Definition: string_view.hpp:19
restinio::expected_t
nonstd::expected< T, E > expected_t
Definition: expected.hpp:22
restinio::http_field_parsers::cache_control_value_t
Tools for working with the value of Cache-Control HTTP-field.
Definition: cache-control.hpp:43
restinio::http_field_parsers::cache_control_value_t::directive_container_t
parameter_with_optional_value_container_t directive_container_t
Definition: cache-control.hpp:46
restinio::http_field_parsers::cache_control_value_t::directives
directive_container_t directives
Definition: cache-control.hpp:48
restinio::http_field_parsers::cache_control_value_t::directive_t
parameter_with_optional_value_t directive_t
Definition: cache-control.hpp:44
restinio::http_field_parsers::cache_control_value_t::try_parse
static RESTINIO_NODISCARD expected_t< cache_control_value_t, restinio::easy_parser::parse_error_t > try_parse(string_view_t what)
An attempt to parse Cache-Control HTTP-field.
Definition: cache-control.hpp:82
restinio::http_field_parsers::cache_control_value_t::make_parser
static RESTINIO_NODISCARD auto make_parser()
A factory function for a parser of Cache-Control value.
Definition: cache-control.hpp:57