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Public Types | Public Member Functions | Static Public Attributes | List of all members
nngxx::opt_getter< opt_v, nng_t > Struct Template Reference

#include <opt_getter.h>

Public Types

using nng_type = nng_t
 
using return_type = opt_to_nng_type_t<opt_v>
 

Public Member Functions

clev::expected< return_type > operator() (nng_type obj) noexcept
 

Static Public Attributes

static constexpr auto opt = opt_to_nng_value<opt_v>()
 
static constexpr auto overload = opt_to_nng_overload<opt_v>()
 

Detailed Description

template<opt opt_v, nng_with_get_opt_c nng_t>
struct nngxx::opt_getter< opt_v, nng_t >

Definition at line 40 of file opt_getter.h.

Member Typedef Documentation

◆ nng_type

template<opt opt_v, nng_with_get_opt_c nng_t>
using nngxx::opt_getter< opt_v, nng_t >::nng_type = nng_t

Definition at line 42 of file opt_getter.h.

◆ return_type

template<opt opt_v, nng_with_get_opt_c nng_t>
using nngxx::opt_getter< opt_v, nng_t >::return_type = opt_to_nng_type_t<opt_v>

Definition at line 48 of file opt_getter.h.

Member Function Documentation

◆ operator()()

template<opt opt_v, nng_with_get_opt_c nng_t>
clev::expected< return_type > nngxx::opt_getter< opt_v, nng_t >::operator() ( nng_type obj)
inlinenodiscardnoexcept

Definition at line 51 of file opt_getter.h.

52 {
53 int (*get)(nng_type, const char*, return_type*);
54
55 if constexpr (std::is_same_v<nng_type, nng_socket>)
56 {
57 if constexpr (overload == opt_overload::boolean)
58 get = nng_socket_get_bool;
59 else if constexpr (overload == opt_overload::integer)
60 get = nng_socket_get_int;
61 else if constexpr (overload == opt_overload::size)
62 get = nng_socket_get_size;
63 else if constexpr (overload == opt_overload::uint64)
64 get = nng_socket_get_uint64;
65 else if constexpr (overload == opt_overload::string)
66 get = nng_socket_get_string;
67 else if constexpr (overload == opt_overload::duration)
68 get = nng_socket_get_ms;
69 else if constexpr (overload == opt_overload::sockaddr)
70 get = nng_socket_get_addr;
71 }
72 else if constexpr (std::is_same_v<nng_type, nng_ctx>)
73 {
74 if constexpr (overload == opt_overload::boolean)
75 get = nng_ctx_get_bool;
76 else if constexpr (overload == opt_overload::integer)
77 get = nng_ctx_get_int;
78 else if constexpr (overload == opt_overload::size)
79 get = nng_ctx_get_size;
80 else if constexpr (overload == opt_overload::uint64)
81 get = nng_ctx_get_uint64;
82 else if constexpr (overload == opt_overload::string)
83 get = nng_ctx_get_string;
84 else if constexpr (overload == opt_overload::duration)
85 get = nng_ctx_get_ms;
86 }
87 else if constexpr (std::is_same_v<nng_type, nng_listener>)
88 {
89 if constexpr (overload == opt_overload::boolean)
90 get = nng_listener_get_bool;
91 else if constexpr (overload == opt_overload::integer)
92 get = nng_listener_get_int;
93 else if constexpr (overload == opt_overload::size)
94 get = nng_listener_get_size;
95 else if constexpr (overload == opt_overload::uint64)
96 get = nng_listener_get_uint64;
97 else if constexpr (overload == opt_overload::string)
98 get = nng_listener_get_string;
99 else if constexpr (overload == opt_overload::duration)
100 get = nng_listener_get_ms;
101 else if constexpr (overload == opt_overload::sockaddr)
102 get = nng_listener_get_addr;
103 }
104 else if constexpr (std::is_same_v<nng_type, nng_dialer>)
105 {
106 if constexpr (overload == opt_overload::boolean)
107 get = nng_dialer_get_bool;
108 else if constexpr (overload == opt_overload::integer)
109 get = nng_dialer_get_int;
110 else if constexpr (overload == opt_overload::size)
111 get = nng_dialer_get_size;
112 else if constexpr (overload == opt_overload::uint64)
113 get = nng_dialer_get_uint64;
114 else if constexpr (overload == opt_overload::string)
115 get = nng_dialer_get_string;
116 else if constexpr (overload == opt_overload::duration)
117 get = nng_dialer_get_ms;
118 else if constexpr (overload == opt_overload::sockaddr)
119 get = nng_dialer_get_addr;
120 }
121 else if constexpr (std::is_same_v<nng_type, nng_pipe>)
122 {
123 if constexpr (overload == opt_overload::boolean)
124 get = nng_pipe_get_bool;
125 else if constexpr (overload == opt_overload::integer)
126 get = nng_pipe_get_int;
127 else if constexpr (overload == opt_overload::size)
128 get = nng_pipe_get_size;
129 else if constexpr (overload == opt_overload::uint64)
130 get = nng_pipe_get_uint64;
131 else if constexpr (overload == opt_overload::string)
132 get = nng_pipe_get_string;
133 else if constexpr (overload == opt_overload::duration)
134 get = nng_pipe_get_ms;
135 else if constexpr (overload == opt_overload::sockaddr)
136 get = nng_pipe_get_addr;
137 }
138
139 return_type val;
140
141 return nngxx::invoke(get, obj, opt, &val).transform_to(std::move(val));
142 }
nngxx::invoke
clev::expected< void > invoke(ret_t(*f)(args_t...), args_t... args) noexcept
Definition err.h:123
clev::expected< void >::transform_to
auto transform_to(to_value_t &&v) &&noexcept
Definition err.h:119
nngxx::opt_getter
Definition opt_getter.h:41
nngxx::opt_getter::overload
static constexpr auto overload
Definition opt_getter.h:46
nngxx::opt_getter::nng_type
nng_t nng_type
Definition opt_getter.h:42
nngxx::opt_getter::return_type
opt_to_nng_type_t< opt_v > return_type
Definition opt_getter.h:48
nngxx::opt_getter::opt
static constexpr auto opt
Definition opt_getter.h:44

References nngxx::boolean, nngxx::duration, nngxx::integer, nngxx::invoke(), opt, overload, nngxx::size, nngxx::sockaddr, nngxx::string, clev::expected< void >::transform_to(), and nngxx::uint64.

Here is the call graph for this function:

Member Data Documentation

◆ opt

template<opt opt_v, nng_with_get_opt_c nng_t>
auto nngxx::opt_getter< opt_v, nng_t >::opt = opt_to_nng_value<opt_v>()
staticconstexpr

Definition at line 44 of file opt_getter.h.

Referenced by operator()().

◆ overload

template<opt opt_v, nng_with_get_opt_c nng_t>
auto nngxx::opt_getter< opt_v, nng_t >::overload = opt_to_nng_overload<opt_v>()
staticconstexpr

Definition at line 46 of file opt_getter.h.

Referenced by operator()().

The documentation for this struct was generated from the following file:
Generated by doxygen 1.13.2