utility.hpp File Reference

Utility functions. More...

#include <esp_heap_caps.h>
#include <bit>
#include <charconv>
#include <dcc/dcc.hpp>
#include <functional>
#include <iterator>
#include <memory>
#include <numeric>
#include <span>
#include <string_view>

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Classes
struct	signature< std::function< R(Args...)> >
struct	signature< R(T::*)(Args...)>

Namespaces
namespace	detail

Typedefs
template<typename T >
using	unique_caps_ptr = std::unique_ptr<T, decltype(heap_caps_free)*>

Functions
template<auto Unique = [] {}, typename F >
auto	make_tramp (F &&f)
template<auto Unique = [] {}, typename Self , typename F >
auto	make_tramp (Self &&self, F &&f)
void	esp_delayed_restart ()
bool	validate_json (std::string_view json)
template<typename T >
consteval std::string_view	type_name ()
template<std::unsigned_integral T = uint32_t>
constexpr T	fnv1a (uint8_t byte, T hash=::detail::offset< T >)
template<std::unsigned_integral T = uint32_t>
constexpr T	fnv1a (std::span< char const > str)
std::optional< dcc::Address::value_type >	uri2address (std::string_view uri)
std::optional< dcc::Address >	uri2loco_address (std::string_view uri)
template<std::output_iterator< char > OutputIt>
OutputIt	decode_uri (std::string_view uri, OutputIt out)
	https://rosettacode.org/wiki/URL_decoding#C
template<typename T >
constexpr auto	make_unique_caps (size_t size, uint32_t caps)
uint32_t	http_receive_timeout2ms ()
template<typename F , typename... Ts>
auto	invoke_on_core (BaseType_t core_id, F &&f, Ts &&... ts)
template<typename... Ts>
auto	httpd_ws_send_frame_async (Ts &&... ts)
template<typename... Ts>
auto	httpd_sess_trigger_close (Ts &&... ts)

Variables
template<std::unsigned_integral T>
constexpr T	detail::prime {sizeof(T) <= 4uz ? 16777619ull : 1099511628211ull}
template<std::unsigned_integral T>
constexpr T	detail::offset {sizeof(T) <= 4uz ? 2166136261ull : 14695981039346656037ull}

Detailed Description

Author

Vincent Hamp

Date

09/02/2023

Typedef Documentation

unique_caps_ptr

template<typename T >

using unique_caps_ptr = std::unique_ptr<T, decltype(heap_caps_free)*>

Function Documentation

decode_uri()

template<std::output_iterator< char > OutputIt>

OutputIt decode_uri	(	std::string_view	uri,
		OutputIt	out )

esp_delayed_restart()

void esp_delayed_restart

(

)

fnv1a() [1/2]

template<std::unsigned_integral T = uint32_t>

T fnv1a ( std::span< char const > str )

constexpr

fnv1a() [2/2]

template<std::unsigned_integral T = uint32_t>

T fnv1a ( uint8_t byte, T hash = ::detail::offset<T> )

constexpr

http_receive_timeout2ms()

uint32_t http_receive_timeout2ms

(

)

Warning

Do not use this function in time-critical code. Always cache the value!

httpd_sess_trigger_close()

template<typename... Ts>

auto httpd_sess_trigger_close

(

Ts &&...

ts

)

httpd_ws_send_frame_async()

template<typename... Ts>

auto httpd_ws_send_frame_async

(

Ts &&...

ts

)

invoke_on_core()

template<typename F , typename... Ts>

auto invoke_on_core	(	BaseType_t	core_id,
		F &&	f,
		Ts &&...	ts )

make_tramp() [1/2]

template<auto Unique = [] {}, typename F >

auto make_tramp

(

F &&

f

)

make_tramp() [2/2]

template<auto Unique = [] {}, typename Self , typename F >

auto make_tramp	(	Self &&	self,
		F &&	f )

make_unique_caps()

template<typename T >

auto make_unique_caps ( size_t size, uint32_t caps )

constexpr

type_name()

template<typename T >

std::string_view type_name ( )

consteval

uri2address()

std::optional< dcc::Address::value_type > uri2address

(

std::string_view

uri

)

uri2loco_address()

std::optional< dcc::Address > uri2loco_address

(

std::string_view

uri

)

validate_json()

bool validate_json

(

std::string_view

json

)