| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Frozen | ||
| 3 | * Copyright 2016 QuarksLab | ||
| 4 | * | ||
| 5 | * Licensed to the Apache Software Foundation (ASF) under one | ||
| 6 | * or more contributor license agreements. See the NOTICE file | ||
| 7 | * distributed with this work for additional information | ||
| 8 | * regarding copyright ownership. The ASF licenses this file | ||
| 9 | * to you under the Apache License, Version 2.0 (the | ||
| 10 | * "License"); you may not use this file except in compliance | ||
| 11 | * with the License. You may obtain a copy of the License at | ||
| 12 | * | ||
| 13 | * http://www.apache.org/licenses/LICENSE-2.0 | ||
| 14 | * | ||
| 15 | * Unless required by applicable law or agreed to in writing, | ||
| 16 | * software distributed under the License is distributed on an | ||
| 17 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| 18 | * KIND, either express or implied. See the License for the | ||
| 19 | * specific language governing permissions and limitations | ||
| 20 | * under the License. | ||
| 21 | */ | ||
| 22 | |||
| 23 | #ifndef FROZEN_LETITGO_BASIC_TYPES_H | ||
| 24 | #define FROZEN_LETITGO_BASIC_TYPES_H | ||
| 25 | |||
| 26 | #include "frozen/bits/exceptions.h" | ||
| 27 | #include "frozen/bits/constexpr_assert.h" | ||
| 28 | |||
| 29 | #include <array> | ||
| 30 | #include <utility> | ||
| 31 | #include <string> | ||
| 32 | #include <type_traits> | ||
| 33 | |||
| 34 | namespace frozen { | ||
| 35 | |||
| 36 | namespace bits { | ||
| 37 | |||
| 38 | // used as a fake argument for frozen::make_set and frozen::make_map in the case of N=0 | ||
| 39 | struct ignored_arg {}; | ||
| 40 | |||
| 41 | template <class T, std::size_t N> | ||
| 42 | class cvector { | ||
| 43 | T data [N] = {}; // zero-initialization for scalar type T, default-initialized otherwise | ||
| 44 | std::size_t dsize = 0; | ||
| 45 | |||
| 46 | public: | ||
| 47 | // Container typdefs | ||
| 48 | using value_type = T; | ||
| 49 | using reference = value_type &; | ||
| 50 | using const_reference = const value_type &; | ||
| 51 | using pointer = value_type *; | ||
| 52 | using const_pointer = const value_type *; | ||
| 53 | using iterator = pointer; | ||
| 54 | using const_iterator = const_pointer; | ||
| 55 | using size_type = std::size_t; | ||
| 56 | using difference_type = std::ptrdiff_t; | ||
| 57 | |||
| 58 | // Constructors | ||
| 59 | constexpr cvector(void) = default; | ||
| 60 | constexpr cvector(size_type count, const T& value) : dsize(count) { | ||
| 61 | for (std::size_t i = 0; i < N; ++i) | ||
| 62 | data[i] = value; | ||
| 63 | } | ||
| 64 | |||
| 65 | // Iterators | ||
| 66 | constexpr iterator begin() noexcept { return data; } | ||
| 67 | constexpr iterator end() noexcept { return data + dsize; } | ||
| 68 | constexpr const_iterator begin() const noexcept { return data; } | ||
| 69 | constexpr const_iterator end() const noexcept { return data + dsize; } | ||
| 70 | |||
| 71 | // Capacity | ||
| 72 | constexpr size_type size() const { return dsize; } | ||
| 73 | |||
| 74 | // Element access | ||
| 75 | constexpr reference operator[](std::size_t index) { return data[index]; } | ||
| 76 | constexpr const_reference operator[](std::size_t index) const { return data[index]; } | ||
| 77 | |||
| 78 | constexpr reference back() { return data[dsize - 1]; } | ||
| 79 | constexpr const_reference back() const { return data[dsize - 1]; } | ||
| 80 | |||
| 81 | // Modifiers | ||
| 82 | constexpr void push_back(const T & a) { data[dsize++] = a; } | ||
| 83 | constexpr void push_back(T && a) { data[dsize++] = std::move(a); } | ||
| 84 | constexpr void pop_back() { --dsize; } | ||
| 85 | |||
| 86 | constexpr void clear() { dsize = 0; } | ||
| 87 | }; | ||
| 88 | |||
| 89 | template <class T, std::size_t N> | ||
| 90 | class carray { | ||
| 91 | T data_ [N] = {}; // zero-initialization for scalar type T, default-initialized otherwise | ||
| 92 | |||
| 93 | template <class Iter, std::size_t... I> | ||
| 94 | constexpr carray(Iter iter, std::index_sequence<I...>) | ||
| 95 | : data_{((void)I, *iter++)...} {} | ||
| 96 | template <std::size_t... I> | ||
| 97 | constexpr carray(const T& value, std::index_sequence<I...>) | ||
| 98 | : data_{((void)I, value)...} {} | ||
| 99 | |||
| 100 | static constexpr void check_initializer(std::initializer_list<T> init) { | ||
| 101 | (void)init; | ||
| 102 | constexpr_assert(init.size() == N, "Cannot initialize a carray with an initializer list of different size."); | ||
| 103 | } | ||
| 104 | |||
| 105 | public: | ||
| 106 | // Container typdefs | ||
| 107 | using value_type = T; | ||
| 108 | using reference = value_type &; | ||
| 109 | using const_reference = const value_type &; | ||
| 110 | using pointer = value_type *; | ||
| 111 | using const_pointer = const value_type *; | ||
| 112 | using iterator = pointer; | ||
| 113 | using const_iterator = const_pointer; | ||
| 114 | using size_type = std::size_t; | ||
| 115 | using difference_type = std::ptrdiff_t; | ||
| 116 | |||
| 117 | // Constructors | ||
| 118 | constexpr carray() = default; | ||
| 119 | constexpr carray(const value_type& val) | ||
| 120 | : carray(val, std::make_index_sequence<N>()) {} | ||
| 121 | template <typename U, std::enable_if_t<std::is_convertible<U, T>::value, std::size_t> M> | ||
| 122 | constexpr carray(U const (&init)[M]) | ||
| 123 | : carray(init, std::make_index_sequence<N>()) | ||
| 124 | { | ||
| 125 | static_assert(M >= N, "Cannot initialize a carray with an smaller array"); | ||
| 126 | } | ||
| 127 | template <typename U, std::enable_if_t<std::is_convertible<U, T>::value, std::size_t> M> | ||
| 128 | constexpr carray(std::array<U, M> const &init) | ||
| 129 | : carray(init.begin(), std::make_index_sequence<N>()) | ||
| 130 | { | ||
| 131 | static_assert(M >= N, "Cannot initialize a carray with an smaller array"); | ||
| 132 | } | ||
| 133 | template <typename U, std::enable_if_t<std::is_convertible<U, T>::value>* = nullptr> | ||
| 134 | constexpr carray(std::initializer_list<U> init) | ||
| 135 | : carray((check_initializer(init), init.begin()), std::make_index_sequence<N>()) | ||
| 136 | { | ||
| 137 | } | ||
| 138 | template <typename U, std::enable_if_t<std::is_convertible<U, T>::value>* = nullptr> | ||
| 139 | constexpr carray(const carray<U, N>& rhs) | ||
| 140 | : carray(rhs.begin(), std::make_index_sequence<N>()) | ||
| 141 | { | ||
| 142 | } | ||
| 143 | |||
| 144 | // Iterators | ||
| 145 | constexpr iterator begin() noexcept { return data_; } | ||
| 146 | 150205 | constexpr const_iterator begin() const noexcept { return data_; } | |
| 147 | constexpr iterator end() noexcept { return data_ + N; } | ||
| 148 | 392714 | constexpr const_iterator end() const noexcept { return data_ + N; } | |
| 149 | |||
| 150 | // Capacity | ||
| 151 | constexpr size_type size() const { return N; } | ||
| 152 | constexpr size_type max_size() const { return N; } | ||
| 153 | |||
| 154 | // Element access | ||
| 155 | constexpr reference operator[](std::size_t index) { return data_[index]; } | ||
| 156 | 195670 | constexpr const_reference operator[](std::size_t index) const { return data_[index]; } | |
| 157 | |||
| 158 | constexpr reference at(std::size_t index) { | ||
| 159 | if (index > N) | ||
| 160 | FROZEN_THROW_OR_ABORT(std::out_of_range("Index (" + std::to_string(index) + ") out of bound (" + std::to_string(N) + ')')); | ||
| 161 | return data_[index]; | ||
| 162 | } | ||
| 163 | constexpr const_reference at(std::size_t index) const { | ||
| 164 | if (index > N) | ||
| 165 | FROZEN_THROW_OR_ABORT(std::out_of_range("Index (" + std::to_string(index) + ") out of bound (" + std::to_string(N) + ')')); | ||
| 166 | return data_[index]; | ||
| 167 | } | ||
| 168 | |||
| 169 | constexpr reference front() { return data_[0]; } | ||
| 170 | constexpr const_reference front() const { return data_[0]; } | ||
| 171 | |||
| 172 | constexpr reference back() { return data_[N - 1]; } | ||
| 173 | constexpr const_reference back() const { return data_[N - 1]; } | ||
| 174 | |||
| 175 | constexpr value_type* data() noexcept { return data_; } | ||
| 176 | constexpr const value_type* data() const noexcept { return data_; } | ||
| 177 | }; | ||
| 178 | template <class T> | ||
| 179 | class carray<T, 0> { | ||
| 180 | |||
| 181 | public: | ||
| 182 | // Container typdefs | ||
| 183 | using value_type = T; | ||
| 184 | using reference = value_type &; | ||
| 185 | using const_reference = const value_type &; | ||
| 186 | using pointer = value_type *; | ||
| 187 | using const_pointer = const value_type *; | ||
| 188 | using iterator = pointer; | ||
| 189 | using const_iterator = const_pointer; | ||
| 190 | using size_type = std::size_t; | ||
| 191 | using difference_type = std::ptrdiff_t; | ||
| 192 | |||
| 193 | // Constructors | ||
| 194 | constexpr carray(void) = default; | ||
| 195 | |||
| 196 | }; | ||
| 197 | |||
| 198 | } // namespace bits | ||
| 199 | |||
| 200 | } // namespace frozen | ||
| 201 | |||
| 202 | #endif | ||
| 203 |