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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(Vector<PtrType> const& other)
: Base(static_cast<Base const&>(other))
{
}
using Base::size;
using ConstIterator = SimpleIterator<const NonnullPtrVector, const T>;
using Iterator = SimpleIterator<NonnullPtrVector, T>;
using ReverseIterator = SimpleReverseIterator<NonnullPtrVector, T>;
using ReverseConstIterator = SimpleReverseIterator<NonnullPtrVector const, T const>;
ALWAYS_INLINE constexpr ConstIterator begin() const { return ConstIterator::begin(*this); }
ALWAYS_INLINE constexpr Iterator begin() { return Iterator::begin(*this); }
ALWAYS_INLINE constexpr ReverseIterator rbegin() { return ReverseIterator::rbegin(*this); }
ALWAYS_INLINE constexpr ReverseConstIterator rbegin() const { return ReverseConstIterator::rbegin(*this); }
ALWAYS_INLINE constexpr ConstIterator end() const { return ConstIterator::end(*this); }
ALWAYS_INLINE constexpr Iterator end() { return Iterator::end(*this); }
ALWAYS_INLINE constexpr ReverseIterator rend() { return ReverseIterator::rend(*this); }
ALWAYS_INLINE constexpr ReverseConstIterator rend() const { return ReverseConstIterator::rend(*this); }
ALWAYS_INLINE constexpr auto in_reverse() { return ReverseWrapper::in_reverse(*this); }
ALWAYS_INLINE constexpr auto in_reverse() const { return ReverseWrapper::in_reverse(*this); }
Optional<size_t> find_first_index(T const& value) const
{
if (auto const index = AK::find_index(begin(), end(), value);
index < size()) {
return index;
}
return {};
}
ALWAYS_INLINE PtrType& ptr_at(size_t index) { return Base::at(index); }
ALWAYS_INLINE PtrType const& 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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