ladybird/Userland/Libraries/LibManual/Node.h
Tim Schumacher a2f60911fe AK: Rename GenericTraits to DefaultTraits
This feels like a more fitting name for something that provides the
default values for Traits.
2023-11-09 10:05:51 -05:00

62 lines
1.9 KiB
C++

/*
* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
* Copyright (c) 2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/RefCounted.h>
#include <AK/String.h>
#include <AK/StringView.h>
namespace Manual {
class PageNode;
class Node : public RefCounted<Node> {
public:
virtual ~Node() = default;
virtual ErrorOr<Span<NonnullRefPtr<Node const>>> children() const = 0;
virtual Node const* parent() const = 0;
virtual ErrorOr<String> name() const = 0;
virtual bool is_page() const { return false; }
virtual bool is_open() const { return false; }
virtual ErrorOr<String> path() const = 0;
virtual PageNode const* document() const = 0;
virtual unsigned section_number() const = 0;
// Backend for the command-line argument format that Help and man accept. Handles:
// [/path/to/documentation.md] (no second argument)
// [page] (no second argument) - will find first section with that page
// [section] [page]
// Help can also (externally) handle search queries, which is not possible (yet) in man.
static ErrorOr<NonnullRefPtr<PageNode const>> try_create_from_query(Vector<StringView, 2> const& query_parameters);
// Finds a page via the help://man/<number>/<subsections...>/page URLs.
// This will automatically start discovering pages by inspecting the filesystem.
static ErrorOr<NonnullRefPtr<Node const>> try_find_from_help_url(URL const&);
bool operator==(Node const& other) const
{
if (auto this_path = this->path(), other_path = other.path();
!this_path.is_error() && !other_path.is_error()) {
return this_path.release_value() == other_path.release_value();
}
return false;
}
};
}
namespace AK {
template<typename T>
requires(IsBaseOf<Manual::Node, T>) struct Traits<T> : public DefaultTraits<T> {
static unsigned hash(T p) { return Traits::hash(p.path()); }
};
}