Index: base/containers/scoped_ptr_map.h |
diff --git a/base/containers/scoped_ptr_map.h b/base/containers/scoped_ptr_map.h |
deleted file mode 100644 |
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--- a/base/containers/scoped_ptr_map.h |
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@@ -1,146 +0,0 @@ |
-// Copyright 2015 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 BASE_CONTAINERS_SCOPED_PTR_MAP_H_ |
-#define BASE_CONTAINERS_SCOPED_PTR_MAP_H_ |
- |
-#include <functional> |
-#include <map> |
-#include <utility> |
- |
-#include "base/basictypes.h" |
-#include "base/macros.h" |
-#include "base/memory/scoped_ptr.h" |
-#include "base/stl_util.h" |
- |
-namespace base { |
- |
-// ScopedPtrMap provides a std::map that supports scoped_ptr values. It ensures |
-// that the map's values are properly deleted when removed from the map, or when |
-// the map is destroyed. |
-// |
-// |ScopedPtr| must be a type scoped_ptr<T>. This is for compatibility with |
-// std::map in C++11. |
-// |
-// TODO(http://crbug.com/554291): DEPRECATED: Use std::map instead (now that we |
-// have support for moveable types inside containers). |
-template <class Key, class ScopedPtr, class Compare = std::less<Key>> |
-class ScopedPtrMap { |
- using Container = std::map<Key, typename ScopedPtr::element_type*, Compare>; |
- public: |
- using allocator_type = typename Container::allocator_type; |
- using size_type = typename Container::size_type; |
- using difference_type = typename Container::difference_type; |
- using reference = typename Container::reference; |
- using const_reference = typename Container::const_reference; |
- using key_type = typename Container::key_type; |
- using mapped_type = ScopedPtr; |
- using key_compare = typename Container::key_compare; |
- using const_iterator = typename Container::const_iterator; |
- using const_reverse_iterator = typename Container::const_reverse_iterator; |
- |
- ScopedPtrMap() {} |
- ~ScopedPtrMap() { clear(); } |
- ScopedPtrMap(ScopedPtrMap&& other) { swap(other); } |
- |
- ScopedPtrMap& operator=(ScopedPtrMap&& rhs) { |
- swap(rhs); |
- return *this; |
- } |
- |
- const_iterator find(const Key& k) const { return data_.find(k); } |
- size_type count(const Key& k) const { return data_.count(k); } |
- |
- bool empty() const { return data_.empty(); } |
- size_t size() const { return data_.size(); } |
- |
- const_reverse_iterator rbegin() const { return data_.rbegin(); } |
- const_reverse_iterator rend() const { return data_.rend(); } |
- |
- const_iterator begin() const { return data_.begin(); } |
- const_iterator end() const { return data_.end(); } |
- |
- void swap(ScopedPtrMap& other) { data_.swap(other.data_); } |
- |
- void clear() { STLDeleteValues(&data_); } |
- |
- // Inserts |val| into the map, associated with |key|. |
- std::pair<const_iterator, bool> insert(const Key& key, ScopedPtr val) { |
- auto result = data_.insert(std::make_pair(key, val.get())); |
- if (result.second) |
- ::ignore_result(val.release()); |
- return result; |
- } |
- |
- // Inserts |val| into the map, associated with |key|. Overwrites any existing |
- // element at |key|. |
- void set(const Key& key, ScopedPtr val) { |
- typename ScopedPtr::element_type*& val_ref = data_[key]; |
- delete val_ref; |
- val_ref = val.release(); |
- } |
- |
- void erase(const_iterator position) { |
- DCHECK(position != end()); |
- delete position->second; |
- // Key-based lookup (cannot use const_iterator overload in C++03 library). |
- data_.erase(position->first); |
- } |
- |
- size_type erase(const Key& k) { |
- typename Container::iterator it = data_.find(k); |
- if (it == end()) |
- return 0; |
- |
- delete it->second; |
- data_.erase(it); |
- return 1; |
- } |
- |
- void erase(const_iterator first, const_iterator last) { |
- STLDeleteContainerPairSecondPointers(first, last); |
- // Need non-const iterators as required by the C++03 library. |
- data_.erase(ConstIteratorToIterator(first), ConstIteratorToIterator(last)); |
- } |
- |
- // Like |erase()|, but returns the element instead of deleting it. |
- ScopedPtr take_and_erase(const_iterator position) { |
- DCHECK(position != end()); |
- if (position == end()) |
- return ScopedPtr(); |
- |
- ScopedPtr ret(position->second); |
- // Key-based lookup (cannot use const_iterator overload in C++03 library). |
- data_.erase(position->first); |
- return ret; |
- } |
- |
- // Like |erase()|, but returns the element instead of deleting it. |
- ScopedPtr take_and_erase(const Key& k) { |
- typename Container::iterator it = data_.find(k); |
- if (it == end()) |
- return ScopedPtr(); |
- |
- ScopedPtr ret(it->second); |
- data_.erase(it); |
- return ret; |
- } |
- |
- private: |
- Container data_; |
- |
- typename Container::iterator ConstIteratorToIterator(const_iterator it) { |
- // This is the only way to convert a const iterator to a non-const iterator |
- // in C++03 (get the key and do the lookup again). |
- if (it == data_.end()) |
- return data_.end(); |
- return data_.find(it->first); |
- }; |
- |
- DISALLOW_COPY_AND_ASSIGN(ScopedPtrMap); |
-}; |
- |
-} // namespace base |
- |
-#endif // BASE_CONTAINERS_SCOPED_PTR_MAP_H_ |