ladybird/AK/Stack.h
2022-12-03 23:52:23 +00:00

80 lines
1.2 KiB
C++

/*
* Copyright (c) 2021, Jesse Buhagiar <jooster669@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Vector.h>
namespace AK {
template<typename T, size_t stack_size>
class Stack {
public:
Stack() = default;
~Stack() = default;
bool push(T const& item)
{
if (m_stack.size() >= stack_size)
return false;
m_stack.unchecked_append(item);
return true;
}
bool push(T&& item)
{
if (m_stack.size() >= stack_size)
return false;
m_stack.unchecked_append(move(item));
return true;
}
bool is_empty() const
{
return m_stack.is_empty();
}
size_t size() const
{
return m_stack.size();
}
bool pop()
{
if (is_empty())
return false;
m_stack.resize_and_keep_capacity(m_stack.size() - 1);
return true;
}
T& top()
{
return m_stack.last();
}
T const& top() const
{
return m_stack.last();
}
bool contains_slow(T const& value) const
{
return m_stack.contains_slow(value);
}
private:
Vector<T, stack_size> m_stack;
};
}
#if USING_AK_GLOBALLY
using AK::Stack;
#endif