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/*
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Vector.h>
namespace AK {
template<typename PtrType, size_t inline_capacity = 0>
class NonnullPtrVector : public Vector<PtrType, inline_capacity> {
using T = typename PtrType::ElementType;
using Base = Vector<PtrType, inline_capacity>;
public:
NonnullPtrVector() = default;
NonnullPtrVector(Vector<PtrType>&& other)
: Base(static_cast<Base&&>(other))
{
}
NonnullPtrVector(const Vector<PtrType>& other)
: Base(static_cast<const Base&>(other))
{
}
using Base::size;
using ConstIterator = SimpleIterator<const NonnullPtrVector, const T>;
using Iterator = SimpleIterator<NonnullPtrVector, T>;
ALWAYS_INLINE constexpr ConstIterator begin() const { return ConstIterator::begin(*this); }
ALWAYS_INLINE constexpr Iterator begin() { return Iterator::begin(*this); }
ALWAYS_INLINE constexpr ConstIterator end() const { return ConstIterator::end(*this); }
ALWAYS_INLINE constexpr Iterator end() { return Iterator::end(*this); }
ALWAYS_INLINE PtrType& ptr_at(size_t index) { return Base::at(index); }
ALWAYS_INLINE const PtrType& ptr_at(size_t index) const { return Base::at(index); }
ALWAYS_INLINE T& at(size_t index) { return *Base::at(index); }
ALWAYS_INLINE const T& at(size_t index) const { return *Base::at(index); }
ALWAYS_INLINE T& operator[](size_t index) { return at(index); }
ALWAYS_INLINE const T& operator[](size_t index) const { return at(index); }
ALWAYS_INLINE T& first() { return at(0); }
ALWAYS_INLINE const T& first() const { return at(0); }
ALWAYS_INLINE T& last() { return at(size() - 1); }
ALWAYS_INLINE 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(size_t) = delete;
};
}
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