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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef MOJO_PUBLIC_CPP_BINDINGS_ARRAY_H_ | 5 #ifndef MOJO_PUBLIC_CPP_BINDINGS_ARRAY_H_ |
| 6 #define MOJO_PUBLIC_CPP_BINDINGS_ARRAY_H_ | 6 #define MOJO_PUBLIC_CPP_BINDINGS_ARRAY_H_ |
| 7 | 7 |
| 8 #include <stddef.h> | 8 #include <stddef.h> |
| 9 #include <string.h> | 9 #include <string.h> |
| 10 #include <algorithm> | 10 #include <algorithm> |
| 11 #include <set> | 11 #include <set> |
| 12 #include <string> | 12 #include <string> |
| 13 #include <utility> | 13 #include <utility> |
| 14 #include <vector> | 14 #include <vector> |
| 15 | 15 |
| 16 #include "base/move.h" | 16 #include "base/macros.h" |
| 17 #include "mojo/public/cpp/bindings/lib/array_internal.h" | 17 #include "mojo/public/cpp/bindings/lib/array_internal.h" |
| 18 #include "mojo/public/cpp/bindings/lib/bindings_internal.h" | 18 #include "mojo/public/cpp/bindings/lib/bindings_internal.h" |
| 19 #include "mojo/public/cpp/bindings/lib/template_util.h" | 19 #include "mojo/public/cpp/bindings/lib/template_util.h" |
| 20 #include "mojo/public/cpp/bindings/type_converter.h" | 20 #include "mojo/public/cpp/bindings/type_converter.h" |
| 21 | 21 |
| 22 namespace mojo { | 22 namespace mojo { |
| 23 | 23 |
| 24 // Represents a moveable array with contents of type |T|. The array can be null, | 24 // Represents a moveable array with contents of type |T|. The array can be null, |
| 25 // meaning that no value has been assigned to it. Null is distinct from empty. | 25 // meaning that no value has been assigned to it. Null is distinct from empty. |
| 26 template <typename T> | 26 template <typename T> |
| 27 class Array { | 27 class Array { |
| 28 MOVE_ONLY_TYPE_FOR_CPP_03(Array); | |
| 29 | |
| 30 public: | 28 public: |
| 31 using ConstRefType = typename std::vector<T>::const_reference; | 29 using ConstRefType = typename std::vector<T>::const_reference; |
| 32 using RefType = typename std::vector<T>::reference; | 30 using RefType = typename std::vector<T>::reference; |
| 33 | 31 |
| 34 using Element = T; | 32 using Element = T; |
| 35 using Data_ = internal::Array_Data< | 33 using Data_ = internal::Array_Data< |
| 36 typename internal::GetDataTypeAsArrayElement<T>::Data>; | 34 typename internal::GetDataTypeAsArrayElement<T>::Data>; |
| 37 | 35 |
| 38 using iterator = typename std::vector<T>::iterator; | 36 using iterator = typename std::vector<T>::iterator; |
| 39 using const_iterator = typename std::vector<T>::const_iterator; | 37 using const_iterator = typename std::vector<T>::const_iterator; |
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| 208 template <typename U> | 206 template <typename U> |
| 209 bool operator!=(const Array<U>& other) const = delete; | 207 bool operator!=(const Array<U>& other) const = delete; |
| 210 | 208 |
| 211 void Take(Array* other) { | 209 void Take(Array* other) { |
| 212 operator=(nullptr); | 210 operator=(nullptr); |
| 213 Swap(other); | 211 Swap(other); |
| 214 } | 212 } |
| 215 | 213 |
| 216 std::vector<T> vec_; | 214 std::vector<T> vec_; |
| 217 bool is_null_; | 215 bool is_null_; |
| 216 |
| 217 DISALLOW_COPY_AND_ASSIGN(Array); |
| 218 }; | 218 }; |
| 219 | 219 |
| 220 // A |TypeConverter| that will create an |Array<T>| containing a copy of the | 220 // A |TypeConverter| that will create an |Array<T>| containing a copy of the |
| 221 // contents of an |std::vector<E>|, using |TypeConverter<T, E>| to copy each | 221 // contents of an |std::vector<E>|, using |TypeConverter<T, E>| to copy each |
| 222 // element. The returned array will always be non-null. | 222 // element. The returned array will always be non-null. |
| 223 template <typename T, typename E> | 223 template <typename T, typename E> |
| 224 struct TypeConverter<Array<T>, std::vector<E>> { | 224 struct TypeConverter<Array<T>, std::vector<E>> { |
| 225 static Array<T> Convert(const std::vector<E>& input) { | 225 static Array<T> Convert(const std::vector<E>& input) { |
| 226 Array<T> result(input.size()); | 226 Array<T> result(input.size()); |
| 227 for (size_t i = 0; i < input.size(); ++i) | 227 for (size_t i = 0; i < input.size(); ++i) |
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| 280 if (a.is_null()) | 280 if (a.is_null()) |
| 281 return !b.is_null(); | 281 return !b.is_null(); |
| 282 if (b.is_null()) | 282 if (b.is_null()) |
| 283 return false; | 283 return false; |
| 284 return a.storage() < b.storage(); | 284 return a.storage() < b.storage(); |
| 285 } | 285 } |
| 286 | 286 |
| 287 } // namespace mojo | 287 } // namespace mojo |
| 288 | 288 |
| 289 #endif // MOJO_PUBLIC_CPP_BINDINGS_ARRAY_H_ | 289 #endif // MOJO_PUBLIC_CPP_BINDINGS_ARRAY_H_ |
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