ladybird/AK/NonnullPtrVector.h
Brian Gianforcaro 1682f0b760 Everything: Move to SPDX license identifiers in all files.
SPDX License Identifiers are a more compact / standardized
way of representing file license information.

See: https://spdx.dev/resources/use/#identifiers

This was done with the `ambr` search and replace tool.

 ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
2021-04-22 11:22:27 +02:00

63 lines
2.0 KiB
C++

/*
* 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()
{
}
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;
};
}