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Kernel: Split the ISO9660FileSystem.{cpp,h} files to smaller components
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11 changed files with 871 additions and 779 deletions
62
Kernel/FileSystem/ISO9660FS/Inode.h
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62
Kernel/FileSystem/ISO9660FS/Inode.h
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/*
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* Copyright (c) 2021, sin-ack <sin-ack@protonmail.com>
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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 <Kernel/FileSystem/ISO9660FS/FileSystem.h>
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#include <Kernel/FileSystem/Inode.h>
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namespace Kernel {
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class ISO9660Inode final : public Inode {
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friend ISO9660FS;
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public:
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virtual ~ISO9660Inode() override;
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ISO9660FS& fs() { return static_cast<ISO9660FS&>(Inode::fs()); }
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ISO9660FS const& fs() const { return static_cast<ISO9660FS const&>(Inode::fs()); }
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// ^Inode
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virtual InodeMetadata metadata() const override;
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virtual ErrorOr<void> traverse_as_directory(Function<ErrorOr<void>(FileSystem::DirectoryEntryView const&)>) const override;
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virtual ErrorOr<NonnullLockRefPtr<Inode>> lookup(StringView name) override;
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virtual ErrorOr<void> flush_metadata() override;
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virtual ErrorOr<NonnullLockRefPtr<Inode>> create_child(StringView name, mode_t, dev_t, UserID, GroupID) override;
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virtual ErrorOr<void> add_child(Inode&, StringView name, mode_t) override;
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virtual ErrorOr<void> remove_child(StringView name) override;
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virtual ErrorOr<void> chmod(mode_t) override;
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virtual ErrorOr<void> chown(UserID, GroupID) override;
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virtual ErrorOr<void> truncate(u64) override;
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virtual ErrorOr<void> update_timestamps(Optional<time_t> atime, Optional<time_t> ctime, Optional<time_t> mtime) override;
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private:
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// HACK: The base ISO 9660 standard says the maximum filename length is 37
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// bytes large; however, we can read filenames longer than that right now
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// without any problems, so let's allow it anyway.
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static constexpr size_t max_file_identifier_length = 256 - sizeof(ISO::DirectoryRecordHeader);
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// ^Inode
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virtual ErrorOr<size_t> read_bytes_locked(off_t, size_t, UserOrKernelBuffer& buffer, OpenFileDescription*) const override;
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virtual ErrorOr<size_t> write_bytes_locked(off_t, size_t, UserOrKernelBuffer const& buffer, OpenFileDescription*) override;
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ISO9660Inode(ISO9660FS&, ISO::DirectoryRecordHeader const& record, StringView name);
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static ErrorOr<NonnullLockRefPtr<ISO9660Inode>> try_create_from_directory_record(ISO9660FS&, ISO::DirectoryRecordHeader const& record, StringView name);
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static InodeIndex get_inode_index(ISO::DirectoryRecordHeader const& record, StringView name);
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static StringView get_normalized_filename(ISO::DirectoryRecordHeader const& record, Bytes buffer);
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void create_metadata();
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time_t parse_numerical_date_time(ISO::NumericalDateAndTime const&);
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InodeMetadata m_metadata;
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ISO::DirectoryRecordHeader m_record;
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};
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}
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using Kernel::ISO::has_any_flag;
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using Kernel::ISO::has_flag;
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