ladybird/Kernel/KString.h
Gunnar Beutner 596361791c Kernel: Add operator delete for KString
This doesn't change anything because our global operator delete also
calls kfree() - however instead of relying on this implementation
detail this makes this dependency more explicit.
2021-06-02 22:59:39 +01:00

55 lines
1.2 KiB
C++

/*
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Format.h>
#include <AK/OwnPtr.h>
namespace Kernel {
class KString {
AK_MAKE_NONCOPYABLE(KString);
AK_MAKE_NONMOVABLE(KString);
public:
static OwnPtr<KString> try_create_uninitialized(size_t, char*&);
static NonnullOwnPtr<KString> must_create_uninitialized(size_t, char*&);
static OwnPtr<KString> try_create(StringView const&);
static NonnullOwnPtr<KString> must_create(StringView const&);
void operator delete(void*);
OwnPtr<KString> try_clone() const;
bool is_empty() const { return m_length == 0; }
size_t length() const { return m_length; }
char const* characters() const { return m_characters; }
StringView view() const { return { characters(), length() }; }
private:
explicit KString(size_t length)
: m_length(length)
{
}
size_t m_length { 0 };
char m_characters[0];
};
}
namespace AK {
template<>
struct Formatter<Kernel::KString> : Formatter<StringView> {
void format(FormatBuilder& builder, Kernel::KString const& value)
{
Formatter<StringView>::format(builder, value.characters());
}
};
}