Fork of https://developer.mbed.org/teams/Renesas/code/GR-PEACH_mbed-os-client-ZXingSample/
zxing_lib/zxing/common/Array.h@0:2f8d4a574b4e, 2018-01-12 (annotated)
- Committer:
- Osamu Nakamura
- Date:
- Fri Jan 12 15:41:00 2018 +0900
- Revision:
- 0:2f8d4a574b4e
Initial commit
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Osamu Nakamura |
0:2f8d4a574b4e | 1 | // -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*- |
Osamu Nakamura |
0:2f8d4a574b4e | 2 | #ifndef __ARRAY_H__ |
Osamu Nakamura |
0:2f8d4a574b4e | 3 | #define __ARRAY_H__ |
Osamu Nakamura |
0:2f8d4a574b4e | 4 | |
Osamu Nakamura |
0:2f8d4a574b4e | 5 | /* |
Osamu Nakamura |
0:2f8d4a574b4e | 6 | * Array.h |
Osamu Nakamura |
0:2f8d4a574b4e | 7 | * zxing |
Osamu Nakamura |
0:2f8d4a574b4e | 8 | * |
Osamu Nakamura |
0:2f8d4a574b4e | 9 | * Copyright 2010 ZXing authors All rights reserved. |
Osamu Nakamura |
0:2f8d4a574b4e | 10 | * |
Osamu Nakamura |
0:2f8d4a574b4e | 11 | * Licensed under the Apache License, Version 2.0 (the "License"); |
Osamu Nakamura |
0:2f8d4a574b4e | 12 | * you may not use this file except in compliance with the License. |
Osamu Nakamura |
0:2f8d4a574b4e | 13 | * You may obtain a copy of the License at |
Osamu Nakamura |
0:2f8d4a574b4e | 14 | * |
Osamu Nakamura |
0:2f8d4a574b4e | 15 | * http://www.apache.org/licenses/LICENSE-2.0 |
Osamu Nakamura |
0:2f8d4a574b4e | 16 | * |
Osamu Nakamura |
0:2f8d4a574b4e | 17 | * Unless required by applicable law or agreed to in writing, software |
Osamu Nakamura |
0:2f8d4a574b4e | 18 | * distributed under the License is distributed on an "AS IS" BASIS, |
Osamu Nakamura |
0:2f8d4a574b4e | 19 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
Osamu Nakamura |
0:2f8d4a574b4e | 20 | * See the License for the specific language governing permissions and |
Osamu Nakamura |
0:2f8d4a574b4e | 21 | * limitations under the License. |
Osamu Nakamura |
0:2f8d4a574b4e | 22 | */ |
Osamu Nakamura |
0:2f8d4a574b4e | 23 | |
Osamu Nakamura |
0:2f8d4a574b4e | 24 | #include <vector> |
Osamu Nakamura |
0:2f8d4a574b4e | 25 | |
Osamu Nakamura |
0:2f8d4a574b4e | 26 | #include <zxing/common/Counted.h> |
Osamu Nakamura |
0:2f8d4a574b4e | 27 | |
Osamu Nakamura |
0:2f8d4a574b4e | 28 | namespace zxing { |
Osamu Nakamura |
0:2f8d4a574b4e | 29 | |
Osamu Nakamura |
0:2f8d4a574b4e | 30 | template<typename T> class Array : public Counted { |
Osamu Nakamura |
0:2f8d4a574b4e | 31 | protected: |
Osamu Nakamura |
0:2f8d4a574b4e | 32 | public: |
Osamu Nakamura |
0:2f8d4a574b4e | 33 | std::vector<T> values_; |
Osamu Nakamura |
0:2f8d4a574b4e | 34 | Array() {} |
Osamu Nakamura |
0:2f8d4a574b4e | 35 | Array(int n) : |
Osamu Nakamura |
0:2f8d4a574b4e | 36 | Counted(), values_(n, T()) { |
Osamu Nakamura |
0:2f8d4a574b4e | 37 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 38 | Array(T const* ts, int n) : |
Osamu Nakamura |
0:2f8d4a574b4e | 39 | Counted(), values_(ts, ts+n) { |
Osamu Nakamura |
0:2f8d4a574b4e | 40 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 41 | Array(T const* ts, T const* te) : |
Osamu Nakamura |
0:2f8d4a574b4e | 42 | Counted(), values_(ts, te) { |
Osamu Nakamura |
0:2f8d4a574b4e | 43 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 44 | Array(T v, int n) : |
Osamu Nakamura |
0:2f8d4a574b4e | 45 | Counted(), values_(n, v) { |
Osamu Nakamura |
0:2f8d4a574b4e | 46 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 47 | Array(std::vector<T> &v) : |
Osamu Nakamura |
0:2f8d4a574b4e | 48 | Counted(), values_(v) { |
Osamu Nakamura |
0:2f8d4a574b4e | 49 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 50 | Array(Array<T> &other) : |
Osamu Nakamura |
0:2f8d4a574b4e | 51 | Counted(), values_(other.values_) { |
Osamu Nakamura |
0:2f8d4a574b4e | 52 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 53 | Array(Array<T> *other) : |
Osamu Nakamura |
0:2f8d4a574b4e | 54 | Counted(), values_(other->values_) { |
Osamu Nakamura |
0:2f8d4a574b4e | 55 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 56 | virtual ~Array() { |
Osamu Nakamura |
0:2f8d4a574b4e | 57 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 58 | Array<T>& operator=(const Array<T> &other) { |
Osamu Nakamura |
0:2f8d4a574b4e | 59 | values_ = other.values_; |
Osamu Nakamura |
0:2f8d4a574b4e | 60 | return *this; |
Osamu Nakamura |
0:2f8d4a574b4e | 61 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 62 | Array<T>& operator=(const std::vector<T> &array) { |
Osamu Nakamura |
0:2f8d4a574b4e | 63 | values_ = array; |
Osamu Nakamura |
0:2f8d4a574b4e | 64 | return *this; |
Osamu Nakamura |
0:2f8d4a574b4e | 65 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 66 | T const& operator[](int i) const { |
Osamu Nakamura |
0:2f8d4a574b4e | 67 | return values_[i]; |
Osamu Nakamura |
0:2f8d4a574b4e | 68 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 69 | T& operator[](int i) { |
Osamu Nakamura |
0:2f8d4a574b4e | 70 | return values_[i]; |
Osamu Nakamura |
0:2f8d4a574b4e | 71 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 72 | int size() const { |
Osamu Nakamura |
0:2f8d4a574b4e | 73 | return values_.size(); |
Osamu Nakamura |
0:2f8d4a574b4e | 74 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 75 | bool empty() const { |
Osamu Nakamura |
0:2f8d4a574b4e | 76 | return values_.size() == 0; |
Osamu Nakamura |
0:2f8d4a574b4e | 77 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 78 | std::vector<T> const& values() const { |
Osamu Nakamura |
0:2f8d4a574b4e | 79 | return values_; |
Osamu Nakamura |
0:2f8d4a574b4e | 80 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 81 | std::vector<T>& values() { |
Osamu Nakamura |
0:2f8d4a574b4e | 82 | return values_; |
Osamu Nakamura |
0:2f8d4a574b4e | 83 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 84 | }; |
Osamu Nakamura |
0:2f8d4a574b4e | 85 | |
Osamu Nakamura |
0:2f8d4a574b4e | 86 | template<typename T> class ArrayRef : public Counted { |
Osamu Nakamura |
0:2f8d4a574b4e | 87 | private: |
Osamu Nakamura |
0:2f8d4a574b4e | 88 | public: |
Osamu Nakamura |
0:2f8d4a574b4e | 89 | Array<T> *array_; |
Osamu Nakamura |
0:2f8d4a574b4e | 90 | ArrayRef() : |
Osamu Nakamura |
0:2f8d4a574b4e | 91 | array_(0) { |
Osamu Nakamura |
0:2f8d4a574b4e | 92 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 93 | explicit ArrayRef(int n) : |
Osamu Nakamura |
0:2f8d4a574b4e | 94 | array_(0) { |
Osamu Nakamura |
0:2f8d4a574b4e | 95 | reset(new Array<T> (n)); |
Osamu Nakamura |
0:2f8d4a574b4e | 96 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 97 | ArrayRef(T *ts, int n) : |
Osamu Nakamura |
0:2f8d4a574b4e | 98 | array_(0) { |
Osamu Nakamura |
0:2f8d4a574b4e | 99 | reset(new Array<T> (ts, n)); |
Osamu Nakamura |
0:2f8d4a574b4e | 100 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 101 | ArrayRef(Array<T> *a) : |
Osamu Nakamura |
0:2f8d4a574b4e | 102 | array_(0) { |
Osamu Nakamura |
0:2f8d4a574b4e | 103 | reset(a); |
Osamu Nakamura |
0:2f8d4a574b4e | 104 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 105 | ArrayRef(const ArrayRef &other) : |
Osamu Nakamura |
0:2f8d4a574b4e | 106 | Counted(), array_(0) { |
Osamu Nakamura |
0:2f8d4a574b4e | 107 | reset(other.array_); |
Osamu Nakamura |
0:2f8d4a574b4e | 108 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 109 | |
Osamu Nakamura |
0:2f8d4a574b4e | 110 | template<class Y> |
Osamu Nakamura |
0:2f8d4a574b4e | 111 | ArrayRef(const ArrayRef<Y> &other) : |
Osamu Nakamura |
0:2f8d4a574b4e | 112 | array_(0) { |
Osamu Nakamura |
0:2f8d4a574b4e | 113 | reset(static_cast<const Array<T> *>(other.array_)); |
Osamu Nakamura |
0:2f8d4a574b4e | 114 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 115 | |
Osamu Nakamura |
0:2f8d4a574b4e | 116 | ~ArrayRef() { |
Osamu Nakamura |
0:2f8d4a574b4e | 117 | if (array_) { |
Osamu Nakamura |
0:2f8d4a574b4e | 118 | array_->release(); |
Osamu Nakamura |
0:2f8d4a574b4e | 119 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 120 | array_ = 0; |
Osamu Nakamura |
0:2f8d4a574b4e | 121 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 122 | |
Osamu Nakamura |
0:2f8d4a574b4e | 123 | T const& operator[](int i) const { |
Osamu Nakamura |
0:2f8d4a574b4e | 124 | return (*array_)[i]; |
Osamu Nakamura |
0:2f8d4a574b4e | 125 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 126 | |
Osamu Nakamura |
0:2f8d4a574b4e | 127 | T& operator[](int i) { |
Osamu Nakamura |
0:2f8d4a574b4e | 128 | return (*array_)[i]; |
Osamu Nakamura |
0:2f8d4a574b4e | 129 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 130 | |
Osamu Nakamura |
0:2f8d4a574b4e | 131 | void reset(Array<T> *a) { |
Osamu Nakamura |
0:2f8d4a574b4e | 132 | if (a) { |
Osamu Nakamura |
0:2f8d4a574b4e | 133 | a->retain(); |
Osamu Nakamura |
0:2f8d4a574b4e | 134 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 135 | if (array_) { |
Osamu Nakamura |
0:2f8d4a574b4e | 136 | array_->release(); |
Osamu Nakamura |
0:2f8d4a574b4e | 137 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 138 | array_ = a; |
Osamu Nakamura |
0:2f8d4a574b4e | 139 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 140 | void reset(const ArrayRef<T> &other) { |
Osamu Nakamura |
0:2f8d4a574b4e | 141 | reset(other.array_); |
Osamu Nakamura |
0:2f8d4a574b4e | 142 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 143 | ArrayRef<T>& operator=(const ArrayRef<T> &other) { |
Osamu Nakamura |
0:2f8d4a574b4e | 144 | reset(other); |
Osamu Nakamura |
0:2f8d4a574b4e | 145 | return *this; |
Osamu Nakamura |
0:2f8d4a574b4e | 146 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 147 | ArrayRef<T>& operator=(Array<T> *a) { |
Osamu Nakamura |
0:2f8d4a574b4e | 148 | reset(a); |
Osamu Nakamura |
0:2f8d4a574b4e | 149 | return *this; |
Osamu Nakamura |
0:2f8d4a574b4e | 150 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 151 | |
Osamu Nakamura |
0:2f8d4a574b4e | 152 | Array<T>& operator*() const { |
Osamu Nakamura |
0:2f8d4a574b4e | 153 | return *array_; |
Osamu Nakamura |
0:2f8d4a574b4e | 154 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 155 | |
Osamu Nakamura |
0:2f8d4a574b4e | 156 | Array<T>* operator->() const { |
Osamu Nakamura |
0:2f8d4a574b4e | 157 | return array_; |
Osamu Nakamura |
0:2f8d4a574b4e | 158 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 159 | |
Osamu Nakamura |
0:2f8d4a574b4e | 160 | operator bool () const { |
Osamu Nakamura |
0:2f8d4a574b4e | 161 | return array_ != 0; |
Osamu Nakamura |
0:2f8d4a574b4e | 162 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 163 | bool operator ! () const { |
Osamu Nakamura |
0:2f8d4a574b4e | 164 | return array_ == 0; |
Osamu Nakamura |
0:2f8d4a574b4e | 165 | } |
Osamu Nakamura |
0:2f8d4a574b4e | 166 | }; |
Osamu Nakamura |
0:2f8d4a574b4e | 167 | |
Osamu Nakamura |
0:2f8d4a574b4e | 168 | } // namespace zxing |
Osamu Nakamura |
0:2f8d4a574b4e | 169 | |
Osamu Nakamura |
0:2f8d4a574b4e | 170 | #endif // __ARRAY_H__ |