mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-23 08:00:20 +00:00
5e1499d104
This commit un-deprecates DeprecatedString, and repurposes it as a byte
string.
As the null state has already been removed, there are no other
particularly hairy blockers in repurposing this type as a byte string
(what it _really_ is).
This commit is auto-generated:
$ xs=$(ack -l \bDeprecatedString\b\|deprecated_string AK Userland \
Meta Ports Ladybird Tests Kernel)
$ perl -pie 's/\bDeprecatedString\b/ByteString/g;
s/deprecated_string/byte_string/g' $xs
$ clang-format --style=file -i \
$(git diff --name-only | grep \.cpp\|\.h)
$ gn format $(git ls-files '*.gn' '*.gni')
108 lines
3.5 KiB
C++
108 lines
3.5 KiB
C++
/*
|
|
* Copyright (c) 2022, the SerenityOS developers.
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/Forward.h>
|
|
|
|
namespace AK {
|
|
|
|
template<typename Container, typename ValueType>
|
|
class SimpleReverseIterator {
|
|
public:
|
|
friend Container;
|
|
|
|
constexpr bool is_end() const { return m_index == SimpleReverseIterator::rend(m_container).m_index; }
|
|
constexpr int index() const { return m_index; }
|
|
|
|
constexpr bool operator==(SimpleReverseIterator other) const { return m_index == other.m_index; }
|
|
constexpr bool operator!=(SimpleReverseIterator other) const { return m_index != other.m_index; }
|
|
constexpr bool operator<(SimpleReverseIterator other) const { return m_index < other.m_index; }
|
|
constexpr bool operator>(SimpleReverseIterator other) const { return m_index > other.m_index; }
|
|
constexpr bool operator<=(SimpleReverseIterator other) const { return m_index <= other.m_index; }
|
|
constexpr bool operator>=(SimpleReverseIterator other) const { return m_index >= other.m_index; }
|
|
|
|
constexpr SimpleReverseIterator operator+(int delta) const { return SimpleReverseIterator { m_container, m_index - delta }; }
|
|
constexpr SimpleReverseIterator operator-(int delta) const { return SimpleReverseIterator { m_container, m_index + delta }; }
|
|
|
|
constexpr SimpleReverseIterator operator++()
|
|
{
|
|
--m_index;
|
|
return *this;
|
|
}
|
|
constexpr SimpleReverseIterator operator++(int)
|
|
{
|
|
--m_index;
|
|
return SimpleReverseIterator { m_container, m_index + 1 };
|
|
}
|
|
constexpr SimpleReverseIterator operator--()
|
|
{
|
|
++m_index;
|
|
return *this;
|
|
}
|
|
constexpr SimpleReverseIterator operator--(int)
|
|
{
|
|
++m_index;
|
|
return SimpleReverseIterator { m_container, m_index - 1 };
|
|
}
|
|
|
|
ALWAYS_INLINE constexpr ValueType const& operator*() const { return m_container[m_index]; }
|
|
ALWAYS_INLINE constexpr ValueType& operator*() { return m_container[m_index]; }
|
|
|
|
ALWAYS_INLINE constexpr ValueType const* operator->() const { return &m_container[m_index]; }
|
|
ALWAYS_INLINE constexpr ValueType* operator->() { return &m_container[m_index]; }
|
|
|
|
SimpleReverseIterator& operator=(SimpleReverseIterator const& other)
|
|
{
|
|
m_index = other.m_index;
|
|
return *this;
|
|
}
|
|
SimpleReverseIterator(SimpleReverseIterator const& obj) = default;
|
|
|
|
private:
|
|
static constexpr SimpleReverseIterator rbegin(Container& container)
|
|
{
|
|
using RawContainerType = RemoveCV<Container>;
|
|
if constexpr (IsSame<StringView, RawContainerType> || IsSame<ByteString, RawContainerType>)
|
|
return { container, static_cast<int>(container.length()) - 1 };
|
|
else
|
|
return { container, static_cast<int>(container.size()) - 1 };
|
|
}
|
|
|
|
static constexpr SimpleReverseIterator rend(Container& container)
|
|
{
|
|
return { container, -1 };
|
|
}
|
|
|
|
constexpr SimpleReverseIterator(Container& container, int index)
|
|
: m_container(container)
|
|
, m_index(index)
|
|
{
|
|
}
|
|
|
|
Container& m_container;
|
|
int m_index { 0 };
|
|
};
|
|
|
|
namespace ReverseWrapper {
|
|
|
|
template<typename Container>
|
|
struct ReverseWrapper {
|
|
Container& container;
|
|
};
|
|
|
|
template<typename Container>
|
|
auto begin(ReverseWrapper<Container> wrapper) { return wrapper.container.rbegin(); }
|
|
|
|
template<typename Container>
|
|
auto end(ReverseWrapper<Container> wrapper) { return wrapper.container.rend(); }
|
|
|
|
template<typename Container>
|
|
ReverseWrapper<Container> in_reverse(Container&& container) { return { container }; }
|
|
|
|
}
|
|
|
|
}
|