system_wrappers: rename interface -> include

webrtc/system_wrappers/interface/scoped_vector.h

-/*
- *  Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-// Borrowed from Chromium's src/base/memory/scoped_vector.h.
-
-#ifndef WEBRTC_SYSTEM_WRAPPERS_INTERFACE_SCOPED_VECTOR_H_
-#define WEBRTC_SYSTEM_WRAPPERS_INTERFACE_SCOPED_VECTOR_H_
-
-#include <vector>
-
-#include "webrtc/base/checks.h"
-#include "webrtc/system_wrappers/interface/stl_util.h"
-
-namespace webrtc {
-
-// ScopedVector wraps a vector deleting the elements from its
-// destructor.
-template <class T>
-class ScopedVector {
- public:
-  typedef typename std::vector<T*>::allocator_type allocator_type;
-  typedef typename std::vector<T*>::size_type size_type;
-  typedef typename std::vector<T*>::difference_type difference_type;
-  typedef typename std::vector<T*>::pointer pointer;
-  typedef typename std::vector<T*>::const_pointer const_pointer;
-  typedef typename std::vector<T*>::reference reference;
-  typedef typename std::vector<T*>::const_reference const_reference;
-  typedef typename std::vector<T*>::value_type value_type;
-  typedef typename std::vector<T*>::iterator iterator;
-  typedef typename std::vector<T*>::const_iterator const_iterator;
-  typedef typename std::vector<T*>::reverse_iterator reverse_iterator;
-  typedef typename std::vector<T*>::const_reverse_iterator
-      const_reverse_iterator;
-
-  ScopedVector() {}
-  ~ScopedVector() { clear(); }
-
-  // Move construction and assignment.
-  ScopedVector(ScopedVector&& other) {
-    *this = static_cast<ScopedVector&&>(other);
-  }
-  ScopedVector& operator=(ScopedVector&& other) {
-    std::swap(v_, other.v_);  // The arguments are std::vectors, so std::swap
-                              // is the one that we want.
-    other.clear();
-    return *this;
-  }
-
-  // Deleted copy constructor and copy assignment, to make the type move-only.
-  ScopedVector(const ScopedVector& other) = delete;
-  ScopedVector& operator=(const ScopedVector& other) = delete;
-
-  // Get an rvalue reference. (sv.Pass() does the same thing as std::move(sv).)
-  ScopedVector&& Pass() { return static_cast<ScopedVector&&>(*this); }
-
-  reference operator[](size_t index) { return v_[index]; }
-  const_reference operator[](size_t index) const { return v_[index]; }
-
-  bool empty() const { return v_.empty(); }
-  size_t size() const { return v_.size(); }
-
-  reverse_iterator rbegin() { return v_.rbegin(); }
-  const_reverse_iterator rbegin() const { return v_.rbegin(); }
-  reverse_iterator rend() { return v_.rend(); }
-  const_reverse_iterator rend() const { return v_.rend(); }
-
-  iterator begin() { return v_.begin(); }
-  const_iterator begin() const { return v_.begin(); }
-  iterator end() { return v_.end(); }
-  const_iterator end() const { return v_.end(); }
-
-  const_reference front() const { return v_.front(); }
-  reference front() { return v_.front(); }
-  const_reference back() const { return v_.back(); }
-  reference back() { return v_.back(); }
-
-  void push_back(T* elem) { v_.push_back(elem); }
-
-  void pop_back() {
-    RTC_DCHECK(!empty());
-    delete v_.back();
-    v_.pop_back();
-  }
-
-  std::vector<T*>& get() { return v_; }
-  const std::vector<T*>& get() const { return v_; }
-  void swap(std::vector<T*>& other) { v_.swap(other); }
-  void swap(ScopedVector<T>& other) { v_.swap(other.v_); }
-  void release(std::vector<T*>* out) {
-    out->swap(v_);
-    v_.clear();
-  }
-
-  void reserve(size_t capacity) { v_.reserve(capacity); }
-
-  // Resize, deleting elements in the disappearing range if we are shrinking.
-  void resize(size_t new_size) {
-    if (v_.size() > new_size)
-      STLDeleteContainerPointers(v_.begin() + new_size, v_.end());
-    v_.resize(new_size);
-  }
-
-  template<typename InputIterator>
-  void assign(InputIterator begin, InputIterator end) {
-    v_.assign(begin, end);
-  }
-
-  void clear() { STLDeleteElements(&v_); }
-
-  // Like |clear()|, but doesn't delete any elements.
-  void weak_clear() { v_.clear(); }
-
-  // Lets the ScopedVector take ownership of |x|.
-  iterator insert(iterator position, T* x) {
-    return v_.insert(position, x);
-  }
-
-  // Lets the ScopedVector take ownership of elements in [first,last).
-  template<typename InputIterator>
-  void insert(iterator position, InputIterator first, InputIterator last) {
-    v_.insert(position, first, last);
-  }
-
-  iterator erase(iterator position) {
-    delete *position;
-    return v_.erase(position);
-  }
-
-  iterator erase(iterator first, iterator last) {
-    STLDeleteContainerPointers(first, last);
-    return v_.erase(first, last);
-  }
-
-  // Like |erase()|, but doesn't delete the element at |position|.
-  iterator weak_erase(iterator position) {
-    return v_.erase(position);
-  }
-
-  // Like |erase()|, but doesn't delete the elements in [first, last).
-  iterator weak_erase(iterator first, iterator last) {
-    return v_.erase(first, last);
-  }
-
- private:
-  std::vector<T*> v_;
-};
-
-}  // namespace webrtc
-
-#endif  // WEBRTC_SYSTEM_WRAPPERS_INTERFACE_SCOPED_VECTOR_H_