mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-23 08:00:20 +00:00
62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
/*
|
|
* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/Function.h>
|
|
#include <AK/RefCounted.h>
|
|
#include <AK/RefPtr.h>
|
|
#include <AK/String.h>
|
|
#include <AK/Types.h>
|
|
#include <Kernel/FileSystem/File.h>
|
|
#include <Kernel/FileSystem/FileSystem.h>
|
|
#include <Kernel/KResult.h>
|
|
#include <Kernel/UserOrKernelBuffer.h>
|
|
|
|
namespace Kernel {
|
|
|
|
class SysFS;
|
|
class SystemExposedComponent : public RefCounted<SystemExposedComponent> {
|
|
public:
|
|
virtual KResultOr<size_t> entries_count() const { VERIFY_NOT_REACHED(); };
|
|
virtual StringView name() const { return m_name->view(); }
|
|
virtual KResultOr<size_t> read_bytes(off_t, size_t, UserOrKernelBuffer&, FileDescription*) const { VERIFY_NOT_REACHED(); }
|
|
virtual KResult traverse_as_directory(unsigned, Function<bool(const FS::DirectoryEntryView&)>) const { VERIFY_NOT_REACHED(); }
|
|
virtual RefPtr<SystemExposedComponent> lookup(StringView) { VERIFY_NOT_REACHED(); };
|
|
virtual KResultOr<size_t> write_bytes(off_t, size_t, const UserOrKernelBuffer&, FileDescription*) { return -EROFS; }
|
|
virtual size_t size() const { return 0; }
|
|
|
|
virtual NonnullRefPtr<Inode> to_inode(const SysFS& sysfs_instance) const;
|
|
|
|
InodeIndex component_index() const { return m_component_index; };
|
|
|
|
virtual ~SystemExposedComponent() = default;
|
|
|
|
protected:
|
|
explicit SystemExposedComponent(StringView name);
|
|
|
|
private:
|
|
NonnullOwnPtr<KString> m_name;
|
|
InodeIndex m_component_index {};
|
|
};
|
|
|
|
class SystemExposedFolder : public SystemExposedComponent {
|
|
public:
|
|
virtual KResultOr<size_t> entries_count() const override { return m_components.size(); };
|
|
virtual KResult traverse_as_directory(unsigned, Function<bool(const FS::DirectoryEntryView&)>) const override;
|
|
virtual RefPtr<SystemExposedComponent> lookup(StringView name) override;
|
|
void add_component(const SystemExposedComponent&);
|
|
|
|
virtual NonnullRefPtr<Inode> to_inode(const SysFS& sysfs_instance) const override final;
|
|
|
|
protected:
|
|
explicit SystemExposedFolder(String name);
|
|
SystemExposedFolder(String name, const SystemExposedFolder& parent_folder);
|
|
NonnullRefPtrVector<SystemExposedComponent> m_components;
|
|
RefPtr<SystemExposedFolder> m_parent_folder;
|
|
};
|
|
|
|
}
|