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/*
* Copyright (c) 2020, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Trie.h>
#include <Kernel/KString.h>
namespace Kernel {
enum UnveilAccess {
Read = 1,
Write = 2,
Execute = 4,
CreateOrRemove = 8,
Browse = 16,
None = 0,
};
struct UnveilNode;
struct UnveilMetadata {
NonnullOwnPtr<KString> full_path;
UnveilAccess permissions { None };
bool explicitly_unveiled { false };
UnveilMetadata(UnveilMetadata const&) = delete;
UnveilMetadata(UnveilMetadata&&) = default;
// Note: Intentionally not explicit.
UnveilMetadata(NonnullOwnPtr<KString>&& full_path, UnveilAccess permissions = None, bool explicitly_unveiled = false)
: full_path(move(full_path))
, permissions(permissions)
, explicitly_unveiled(explicitly_unveiled)
{
}
ErrorOr<UnveilMetadata> copy() const
{
return UnveilMetadata {
TRY(full_path->try_clone()),
permissions,
explicitly_unveiled,
};
}
};
struct UnveilNode final : public Trie<NonnullOwnPtr<KString>, UnveilMetadata, Traits<NonnullOwnPtr<KString>>, UnveilNode> {
using Trie<NonnullOwnPtr<KString>, UnveilMetadata, Traits<NonnullOwnPtr<KString>>, UnveilNode>::Trie;
bool was_explicitly_unveiled() const { return this->metadata_value().explicitly_unveiled; }
UnveilAccess permissions() const { return this->metadata_value().permissions; }
StringView path() const { return this->metadata_value().full_path->view(); }
};
}
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