55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
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/*
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* Copyright (c) 2026-present, the Ladybird developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/ByteBuffer.h>
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#include <AK/NonnullRefPtr.h>
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#include <AK/RefCounted.h>
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#include <AK/RefPtr.h>
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#include <AK/Variant.h>
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#include <LibCore/Export.h>
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#include <LibCore/MappedFile.h>
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namespace Core {
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class CORE_API ImmutableBytes {
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public:
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static ErrorOr<ImmutableBytes> copy(ReadonlyBytes);
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static ImmutableBytes adopt(ByteBuffer);
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static ImmutableBytes adopt_mapped_file(NonnullOwnPtr<MappedFile>);
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static ErrorOr<ImmutableBytes> map_from_fd_range_and_close(int fd, StringView path, off_t offset, size_t size);
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ImmutableBytes() = default;
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[[nodiscard]] bool is_empty() const { return size() == 0; }
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[[nodiscard]] bool is_valid() const { return m_impl; }
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[[nodiscard]] bool is_file_backed() const;
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[[nodiscard]] size_t size() const { return bytes().size(); }
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[[nodiscard]] ReadonlyBytes bytes() const LIFETIME_BOUND;
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[[nodiscard]] ErrorOr<ByteBuffer> copy_to_byte_buffer() const;
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private:
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class Impl final : public RefCounted<Impl> {
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public:
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explicit Impl(ByteBuffer);
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explicit Impl(NonnullOwnPtr<MappedFile>);
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[[nodiscard]] bool is_file_backed() const;
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[[nodiscard]] ReadonlyBytes bytes() const LIFETIME_BOUND;
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private:
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Variant<ByteBuffer, NonnullOwnPtr<MappedFile>> m_storage;
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};
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explicit ImmutableBytes(NonnullRefPtr<Impl>);
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RefPtr<Impl> m_impl;
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};
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}
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