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Kernel: Split the ISO9660FileSystem.{cpp,h} files to smaller components

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Liav A 2022-10-24 11:02:50 +03:00 • committed by Andrew Kaster
parent fca3b7f1f9
commit 1c91881a1d
11 changed files with 871 additions and 779 deletions
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68
Kernel/FileSystem/ISO9660FS/FileSystem.h Normal file
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/*
* Copyright (c) 2021, sin-ack <sin-ack@protonmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/EnumBits.h>
#include <AK/Error.h>
#include <AK/HashMap.h>
#include <AK/RecursionDecision.h>
#include <AK/StringView.h>
#include <AK/Types.h>
#include <Kernel/FileSystem/BlockBasedFileSystem.h>
#include <Kernel/FileSystem/ISO9660FS/Definitions.h>
#include <Kernel/FileSystem/ISO9660FS/DirectoryEntry.h>
#include <Kernel/FileSystem/Inode.h>
#include <Kernel/KBuffer.h>
#include <Kernel/Library/NonnullLockRefPtr.h>
namespace Kernel {
class ISO9660Inode;
class ISO9660DirectoryIterator;
class ISO9660FS final : public BlockBasedFileSystem {
friend ISO9660Inode;
friend ISO9660DirectoryIterator;
public:
static ErrorOr<NonnullLockRefPtr<FileSystem>> try_create(OpenFileDescription&);
virtual ~ISO9660FS() override;
virtual StringView class_name() const override { return "ISO9660FS"sv; }
virtual Inode& root_inode() override;
virtual unsigned total_block_count() const override;
virtual unsigned total_inode_count() const override;
virtual u8 internal_file_type_to_directory_entry_type(DirectoryEntryView const& entry) const override;
ErrorOr<NonnullLockRefPtr<ISO9660FSDirectoryEntry>> directory_entry_for_record(Badge<ISO9660DirectoryIterator>, ISO::DirectoryRecordHeader const* record);
private:
ISO9660FS(OpenFileDescription&);
virtual ErrorOr<void> prepare_to_clear_last_mount() override;
virtual bool is_initialized_while_locked() override;
virtual ErrorOr<void> initialize_while_locked() override;
ErrorOr<void> parse_volume_set();
ErrorOr<void> create_root_inode();
ErrorOr<void> calculate_inode_count() const;
u32 calculate_directory_entry_cache_key(ISO::DirectoryRecordHeader const&);
ErrorOr<void> visit_directory_record(ISO::DirectoryRecordHeader const& record, Function<ErrorOr<RecursionDecision>(ISO::DirectoryRecordHeader const*)> const& visitor) const;
OwnPtr<ISO::PrimaryVolumeDescriptor> m_primary_volume;
LockRefPtr<ISO9660Inode> m_root_inode;
mutable u32 m_cached_inode_count { 0 };
HashMap<u32, NonnullLockRefPtr<ISO9660FSDirectoryEntry>> m_directory_entry_cache;
};
}