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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/Vector.h>
namespace AK {
template<typename PtrType, int inline_capacity = 0>
class NonnullPtrVector : public Vector<PtrType, inline_capacity> {
typedef typename PtrType::ElementType T;
typedef Vector<PtrType, inline_capacity> Base;
public:
NonnullPtrVector()
{
}
NonnullPtrVector(Vector<PtrType>&& other)
: Base(static_cast<Base&&>(other))
{
}
NonnullPtrVector(const Vector<PtrType>& other)
: Base(static_cast<const Base&>(other))
{
}
using Base::size;
using Iterator = VectorIterator<NonnullPtrVector, T>;
Iterator begin() { return Iterator(*this, 0); }
Iterator end() { return Iterator(*this, size()); }
using ConstIterator = VectorIterator<const NonnullPtrVector, const T>;
ConstIterator begin() const { return ConstIterator(*this, 0); }
ConstIterator end() const { return ConstIterator(*this, size()); }
PtrType& ptr_at(int index) { return Base::at(index); }
const PtrType& ptr_at(int index) const { return Base::at(index); }
T& at(int index) { return *Base::at(index); }
const T& at(int index) const { return *Base::at(index); }
T& operator[](int index) { return at(index); }
const T& operator[](int index) const { return at(index); }
T& first() { return at(0); }
const T& first() const { return at(0); }
T& last() { return at(size() - 1); }
const T& last() const { return at(size() - 1); }
private:
// NOTE: You can't use resize() on a NonnullFooPtrVector since making the vector
// bigger would require being able to default-construct NonnullFooPtrs.
// Instead, use shrink(new_size).
void resize(int) = delete;
};
}
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