mirror of
https://github.com/SerenityOS/serenity
synced 2024-07-09 08:20:44 +00:00
f3db548a3d
DeprecatedFlyString relies heavily on DeprecatedString's StringImpl, so let's rename it to A) match the name of DeprecatedString, B) write a new FlyString class that is tied to String.
107 lines
3.0 KiB
C++
107 lines
3.0 KiB
C++
/*
|
|
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/DeprecatedString.h>
|
|
#include <AK/StringUtils.h>
|
|
|
|
namespace AK {
|
|
|
|
class DeprecatedFlyString {
|
|
public:
|
|
DeprecatedFlyString() = default;
|
|
DeprecatedFlyString(DeprecatedFlyString const& other)
|
|
: m_impl(other.impl())
|
|
{
|
|
}
|
|
DeprecatedFlyString(DeprecatedFlyString&& other)
|
|
: m_impl(move(other.m_impl))
|
|
{
|
|
}
|
|
DeprecatedFlyString(DeprecatedString const&);
|
|
DeprecatedFlyString(StringView);
|
|
DeprecatedFlyString(char const* string)
|
|
: DeprecatedFlyString(static_cast<DeprecatedString>(string))
|
|
{
|
|
}
|
|
|
|
static DeprecatedFlyString from_fly_impl(NonnullRefPtr<StringImpl> impl)
|
|
{
|
|
VERIFY(impl->is_fly());
|
|
DeprecatedFlyString string;
|
|
string.m_impl = move(impl);
|
|
return string;
|
|
}
|
|
|
|
DeprecatedFlyString& operator=(DeprecatedFlyString const& other)
|
|
{
|
|
m_impl = other.m_impl;
|
|
return *this;
|
|
}
|
|
|
|
DeprecatedFlyString& operator=(DeprecatedFlyString&& other)
|
|
{
|
|
m_impl = move(other.m_impl);
|
|
return *this;
|
|
}
|
|
|
|
bool is_empty() const { return !m_impl || !m_impl->length(); }
|
|
bool is_null() const { return !m_impl; }
|
|
|
|
bool operator==(DeprecatedFlyString const& other) const { return m_impl == other.m_impl; }
|
|
|
|
bool operator==(DeprecatedString const&) const;
|
|
|
|
bool operator==(StringView) const;
|
|
|
|
bool operator==(char const*) const;
|
|
|
|
StringImpl const* impl() const { return m_impl; }
|
|
char const* characters() const { return m_impl ? m_impl->characters() : nullptr; }
|
|
size_t length() const { return m_impl ? m_impl->length() : 0; }
|
|
|
|
ALWAYS_INLINE u32 hash() const { return m_impl ? m_impl->existing_hash() : 0; }
|
|
ALWAYS_INLINE StringView view() const { return m_impl ? m_impl->view() : StringView {}; }
|
|
|
|
DeprecatedFlyString to_lowercase() const;
|
|
|
|
template<typename T = int>
|
|
Optional<T> to_int(TrimWhitespace = TrimWhitespace::Yes) const;
|
|
template<typename T = unsigned>
|
|
Optional<T> to_uint(TrimWhitespace = TrimWhitespace::Yes) const;
|
|
#ifndef KERNEL
|
|
Optional<double> to_double(TrimWhitespace = TrimWhitespace::Yes) const;
|
|
Optional<float> to_float(TrimWhitespace = TrimWhitespace::Yes) const;
|
|
#endif
|
|
|
|
bool equals_ignoring_case(StringView) const;
|
|
bool starts_with(StringView, CaseSensitivity = CaseSensitivity::CaseSensitive) const;
|
|
bool ends_with(StringView, CaseSensitivity = CaseSensitivity::CaseSensitive) const;
|
|
|
|
static void did_destroy_impl(Badge<StringImpl>, StringImpl&);
|
|
|
|
template<typename... Ts>
|
|
[[nodiscard]] ALWAYS_INLINE constexpr bool is_one_of(Ts... strings) const
|
|
{
|
|
return (... || this->operator==(forward<Ts>(strings)));
|
|
}
|
|
|
|
private:
|
|
RefPtr<StringImpl> m_impl;
|
|
};
|
|
|
|
template<>
|
|
struct Traits<DeprecatedFlyString> : public GenericTraits<DeprecatedFlyString> {
|
|
static unsigned hash(DeprecatedFlyString const& s) { return s.hash(); }
|
|
};
|
|
|
|
}
|
|
|
|
#if USING_AK_GLOBALLY
|
|
using AK::DeprecatedFlyString;
|
|
#endif
|