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Unified Diff: third_party/mojo/src/mojo/public/cpp/bindings/array.h

Issue 1410053006: Move third_party/mojo/src/mojo/public to mojo/public (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: merge Created 5 years, 1 month ago
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Index: third_party/mojo/src/mojo/public/cpp/bindings/array.h
diff --git a/third_party/mojo/src/mojo/public/cpp/bindings/array.h b/third_party/mojo/src/mojo/public/cpp/bindings/array.h
deleted file mode 100644
index f9b779a323f33413ef8eeb60a75b06b643cd18f3..0000000000000000000000000000000000000000
--- a/third_party/mojo/src/mojo/public/cpp/bindings/array.h
+++ /dev/null
@@ -1,249 +0,0 @@
-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef THIRD_PARTY_MOJO_SRC_MOJO_PUBLIC_CPP_BINDINGS_ARRAY_H_
-#define THIRD_PARTY_MOJO_SRC_MOJO_PUBLIC_CPP_BINDINGS_ARRAY_H_
-
-#include <string.h>
-
-#include <algorithm>
-#include <set>
-#include <string>
-#include <vector>
-
-#include "third_party/mojo/src/mojo/public/cpp/bindings/lib/array_internal.h"
-#include "third_party/mojo/src/mojo/public/cpp/bindings/lib/bindings_internal.h"
-#include "third_party/mojo/src/mojo/public/cpp/bindings/lib/template_util.h"
-#include "third_party/mojo/src/mojo/public/cpp/bindings/lib/value_traits.h"
-#include "third_party/mojo/src/mojo/public/cpp/bindings/type_converter.h"
-
-namespace mojo {
-
-// Represents a moveable array with contents of type |T|. The array can be null,
-// meaning that no value has been assigned to it. Null is distinct from empty.
-template <typename T>
-class Array {
- MOJO_MOVE_ONLY_TYPE(Array)
- public:
- typedef internal::ArrayTraits<T, internal::IsMoveOnlyType<T>::value> Traits;
- typedef typename Traits::ConstRefType ConstRefType;
- typedef typename Traits::RefType RefType;
- typedef typename Traits::StorageType StorageType;
- typedef typename Traits::ForwardType ForwardType;
-
- typedef internal::Array_Data<typename internal::WrapperTraits<T>::DataType>
- Data_;
-
- // Constructs a new array that is null.
- Array() : is_null_(true) {}
-
- // Constructs a new non-null array of the specified size. The elements will
- // be value-initialized (meaning that they will be initialized by their
- // default constructor, if any, or else zero-initialized).
- explicit Array(size_t size) : vec_(size), is_null_(false) {
- Traits::Initialize(&vec_);
- }
- ~Array() { Traits::Finalize(&vec_); }
-
- // Moves the contents of |other| into this array.
- Array(Array&& other) : is_null_(true) { Take(&other); }
- Array& operator=(Array&& other) {
- Take(&other);
- return *this;
- }
-
- // Creates a non-null array of the specified size. The elements will be
- // value-initialized (meaning that they will be initialized by their default
- // constructor, if any, or else zero-initialized).
- static Array New(size_t size) { return Array(size).Pass(); }
-
- // Creates a new array with a copy of the contents of |other|.
- template <typename U>
- static Array From(const U& other) {
- return TypeConverter<Array, U>::Convert(other);
- }
-
- // Copies the contents of this array to a new object of type |U|.
- template <typename U>
- U To() const {
- return TypeConverter<U, Array>::Convert(*this);
- }
-
- // Resets the contents of this array back to null.
- void reset() {
- if (!vec_.empty()) {
- Traits::Finalize(&vec_);
- vec_.clear();
- }
- is_null_ = true;
- }
-
- // Indicates whether the array is null (which is distinct from empty).
- bool is_null() const { return is_null_; }
-
- // Returns a reference to the first element of the array. Calling this on a
- // null or empty array causes undefined behavior.
- ConstRefType front() const { return vec_.front(); }
- RefType front() { return vec_.front(); }
-
- // Returns the size of the array, which will be zero if the array is null.
- size_t size() const { return vec_.size(); }
-
- // Returns a reference to the element at zero-based |offset|. Calling this on
- // an array with size less than |offset|+1 causes undefined behavior.
- ConstRefType at(size_t offset) const { return Traits::at(&vec_, offset); }
- ConstRefType operator[](size_t offset) const { return at(offset); }
- RefType at(size_t offset) { return Traits::at(&vec_, offset); }
- RefType operator[](size_t offset) { return at(offset); }
-
- // Pushes |value| onto the back of the array. If this array was null, it will
- // become non-null with a size of 1.
- void push_back(ForwardType value) {
- is_null_ = false;
- Traits::PushBack(&vec_, value);
- }
-
- // Resizes the array to |size| and makes it non-null. Otherwise, works just
- // like the resize method of |std::vector|.
- void resize(size_t size) {
- is_null_ = false;
- Traits::Resize(&vec_, size);
- }
-
- // Returns a const reference to the |std::vector| managed by this class. If
- // the array is null, this will be an empty vector.
- const std::vector<StorageType>& storage() const { return vec_; }
- operator const std::vector<StorageType>&() const { return vec_; }
-
- // Swaps the contents of this array with the |other| array, including
- // nullness.
- void Swap(Array* other) {
- std::swap(is_null_, other->is_null_);
- vec_.swap(other->vec_);
- }
-
- // Swaps the contents of this array with the specified vector, making this
- // array non-null. Since the vector cannot represent null, it will just be
- // made empty if this array is null.
- void Swap(std::vector<StorageType>* other) {
- is_null_ = false;
- vec_.swap(*other);
- }
-
- // Returns a copy of the array where each value of the new array has been
- // "cloned" from the corresponding value of this array. If this array contains
- // primitive data types, this is equivalent to simply copying the contents.
- // However, if the array contains objects, then each new element is created by
- // calling the |Clone| method of the source element, which should make a copy
- // of the element.
- //
- // Please note that calling this method will fail compilation if the element
- // type cannot be cloned (which usually means that it is a Mojo handle type or
- // a type contains Mojo handles).
- Array Clone() const {
- Array result;
- result.is_null_ = is_null_;
- Traits::Clone(vec_, &result.vec_);
- return result.Pass();
- }
-
- // Indicates whether the contents of this array are equal to |other|. A null
- // array is only equal to another null array. Elements are compared using the
- // |ValueTraits::Equals| method, which in most cases calls the |Equals| method
- // of the element.
- bool Equals(const Array& other) const {
- if (is_null() != other.is_null())
- return false;
- if (size() != other.size())
- return false;
- for (size_t i = 0; i < size(); ++i) {
- if (!internal::ValueTraits<T>::Equals(at(i), other.at(i)))
- return false;
- }
- return true;
- }
-
- private:
- typedef std::vector<StorageType> Array::*Testable;
-
- public:
- operator Testable() const { return is_null_ ? 0 : &Array::vec_; }
-
- private:
- // Forbid the == and != operators explicitly, otherwise Array will be
- // converted to Testable to do == or != comparison.
- template <typename U>
- bool operator==(const Array<U>& other) const = delete;
- template <typename U>
- bool operator!=(const Array<U>& other) const = delete;
-
- void Take(Array* other) {
- reset();
- Swap(other);
- }
-
- std::vector<StorageType> vec_;
- bool is_null_;
-};
-
-// A |TypeConverter| that will create an |Array<T>| containing a copy of the
-// contents of an |std::vector<E>|, using |TypeConverter<T, E>| to copy each
-// element. The returned array will always be non-null.
-template <typename T, typename E>
-struct TypeConverter<Array<T>, std::vector<E>> {
- static Array<T> Convert(const std::vector<E>& input) {
- Array<T> result(input.size());
- for (size_t i = 0; i < input.size(); ++i)
- result[i] = TypeConverter<T, E>::Convert(input[i]);
- return result.Pass();
- }
-};
-
-// A |TypeConverter| that will create an |std::vector<E>| containing a copy of
-// the contents of an |Array<T>|, using |TypeConverter<E, T>| to copy each
-// element. If the input array is null, the output vector will be empty.
-template <typename E, typename T>
-struct TypeConverter<std::vector<E>, Array<T>> {
- static std::vector<E> Convert(const Array<T>& input) {
- std::vector<E> result;
- if (!input.is_null()) {
- result.resize(input.size());
- for (size_t i = 0; i < input.size(); ++i)
- result[i] = TypeConverter<E, T>::Convert(input[i]);
- }
- return result;
- }
-};
-
-// A |TypeConverter| that will create an |Array<T>| containing a copy of the
-// contents of an |std::set<E>|, using |TypeConverter<T, E>| to copy each
-// element. The returned array will always be non-null.
-template <typename T, typename E>
-struct TypeConverter<Array<T>, std::set<E>> {
- static Array<T> Convert(const std::set<E>& input) {
- Array<T> result(0u);
- for (auto i : input)
- result.push_back(TypeConverter<T, E>::Convert(i));
- return result.Pass();
- }
-};
-
-// A |TypeConverter| that will create an |std::set<E>| containing a copy of
-// the contents of an |Array<T>|, using |TypeConverter<E, T>| to copy each
-// element. If the input array is null, the output set will be empty.
-template <typename E, typename T>
-struct TypeConverter<std::set<E>, Array<T>> {
- static std::set<E> Convert(const Array<T>& input) {
- std::set<E> result;
- if (!input.is_null()) {
- for (size_t i = 0; i < input.size(); ++i)
- result.insert(TypeConverter<E, T>::Convert(input[i]));
- }
- return result;
- }
-};
-
-} // namespace mojo
-
-#endif // THIRD_PARTY_MOJO_SRC_MOJO_PUBLIC_CPP_BINDINGS_ARRAY_H_

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