/usr/include/caf/atom.hpp is in libcaf-dev 0.13.2-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 | /******************************************************************************
* ____ _ _____ *
* / ___| / \ | ___| C++ *
* | | / _ \ | |_ Actor *
* | |___ / ___ \| _| Framework *
* \____/_/ \_|_| *
* *
* Copyright (C) 2011 - 2015 *
* Dominik Charousset <dominik.charousset (at) haw-hamburg.de> *
* *
* Distributed under the terms and conditions of the BSD 3-Clause License or *
* (at your option) under the terms and conditions of the Boost Software *
* License 1.0. See accompanying files LICENSE and LICENSE_ALTERNATIVE. *
* *
* If you did not receive a copy of the license files, see *
* http://opensource.org/licenses/BSD-3-Clause and *
* http://www.boost.org/LICENSE_1_0.txt. *
******************************************************************************/
#ifndef CAF_ATOM_HPP
#define CAF_ATOM_HPP
#include <string>
#include <type_traits>
#include "caf/detail/atom_val.hpp"
namespace caf {
/**
* The value type of atoms.
*/
enum class atom_value : uint64_t {
/** @cond PRIVATE */
dirty_little_hack = 31337
/** @endcond */
};
/**
* Creates an atom from given string literal.
*/
template <size_t Size>
constexpr atom_value atom(char const (&str)[Size]) {
// last character is the NULL terminator
static_assert(Size <= 11, "only 10 characters are allowed");
return static_cast<atom_value>(detail::atom_val(str, 0xF));
}
/**
* Lifts an `atom_value` to a compile-time constant.
*/
template <atom_value V>
struct atom_constant {
constexpr atom_constant() {
// nop
}
/**
* Returns the wrapped value.
*/
constexpr operator atom_value() const {
return V;
}
/**
* Returns an instance *of this constant* (*not* an `atom_value`).
*/
static const atom_constant value;
};
template <atom_value V>
const atom_constant<V> atom_constant<V>::value = atom_constant<V>{};
/**
* Generic 'GET' atom for request operations.
*/
using get_atom = atom_constant<atom("GET")>;
/**
* Generic 'PUT' atom for request operations.
*/
using put_atom = atom_constant<atom("PUT")>;
/**
* Generic 'DELETE' atom for request operations.
*/
using delete_atom = atom_constant<atom("DELETE")>;
/**
* Generic 'OK' atom for response messages.
*/
using ok_atom = atom_constant<atom("OK")>;
/**
* Generic 'ERROR' atom for response messages.
*/
using error_atom = atom_constant<atom("ERROR")>;
/**
* Marker 'SYS' atom for prefixing messages to a forwarding chain
* to address an otherwise transparent actor.
*/
using sys_atom = atom_constant<atom("SYS")>;
/**
* Generic 'JOIN' atom, e.g., for signaling group subscriptions.
*/
using join_atom = atom_constant<atom("JOIN")>;
/**
* Generic 'LEAVE' atom, e.g., for signaling group unsubscriptions.
*/
using leave_atom = atom_constant<atom("LEAVE")>;
/**
* Generic 'FORWARD' atom, e.g., for signaling an actor that it
* should drop the first element and forward the remainder to
* a list of predefined receivers.
*/
using forward_atom = atom_constant<atom("FORWARD")>;
} // namespace caf
#endif // CAF_ATOM_HPP
|