cache-control.hpp
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/*
* RESTinio
*/
#pragma once
#include <restinio/helpers/http_field_parsers/basics.hpp>
namespace restinio
{
namespace http_field_parsers
{
//
// cache_control_value_t
//
struct cache_control_value_t
{
using directive_t = parameter_with_optional_value_t;
using directive_container_t = parameter_with_optional_value_container_t;
directive_container_t directives;
RESTINIO_NODISCARD
static auto
make_parser()
{
return produce< cache_control_value_t >(
non_empty_comma_separated_list_p< directive_container_t >(
produce< directive_t >(
token_p() >> to_lower() >> &directive_t::first,
maybe(
symbol('='),
alternatives(
token_p() >> &directive_t::second,
quoted_string_p() >> &directive_t::second
)
)
)
) >> &cache_control_value_t::directives
);
}
RESTINIO_NODISCARD
static expected_t< cache_control_value_t, restinio::easy_parser::parse_error_t >
try_parse( string_view_t what )
{
return restinio::easy_parser::try_parse( what, make_parser() );
}
};
} /* namespace http_field_parsers */
} /* namespace restinio */
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