mirror of
https://github.com/RGBCube/serenity
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71 lines
1.6 KiB
C++
71 lines
1.6 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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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/DistinctNumeric.h>
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#include <AK/String.h>
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#include <AK/Types.h>
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namespace Kernel {
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class FS;
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struct InodeMetadata;
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TYPEDEF_DISTINCT_ORDERED_ID(u64, InodeIndex);
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class InodeIdentifier {
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public:
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InodeIdentifier() = default;
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InodeIdentifier(u32 fsid, InodeIndex inode)
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: m_fsid(fsid)
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, m_index(inode)
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{
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}
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bool is_valid() const { return m_fsid != 0 && m_index != 0; }
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u32 fsid() const { return m_fsid; }
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InodeIndex index() const { return m_index; }
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FS* fs();
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const FS* fs() const;
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bool operator==(const InodeIdentifier& other) const
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{
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return m_fsid == other.m_fsid && m_index == other.m_index;
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}
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bool operator!=(const InodeIdentifier& other) const
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{
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return m_fsid != other.m_fsid || m_index != other.m_index;
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}
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String to_string() const { return String::formatted("{}:{}", m_fsid, m_index); }
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private:
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u32 m_fsid { 0 };
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InodeIndex m_index { 0 };
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};
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}
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template<>
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struct AK::Formatter<Kernel::InodeIdentifier> : AK::Formatter<FormatString> {
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void format(FormatBuilder& builder, Kernel::InodeIdentifier value)
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{
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return AK::Formatter<FormatString>::format(builder, "{}:{}", value.fsid(), value.index());
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}
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};
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template<>
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struct AK::Formatter<Kernel::InodeIndex> : AK::Formatter<FormatString> {
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void format(FormatBuilder& builder, Kernel::InodeIndex value)
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{
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return AK::Formatter<FormatString>::format(builder, "{}", value.value());
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}
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};
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