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e2e7c4d574
In a bunch of cases, this actually ends up simplifying the code as
to_number will handle something such as:
```
Optional<I> opt;
if constexpr (IsSigned<I>)
opt = view.to_int<I>();
else
opt = view.to_uint<I>();
```
For us.
The main goal here however is to have a single generic number conversion
API between all of the String classes.
109 lines
3.7 KiB
C++
109 lines
3.7 KiB
C++
/*
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* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "SectionNode.h"
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#include "PageNode.h"
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#include "Path.h"
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#include "SubsectionNode.h"
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#include <AK/HashTable.h>
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#include <AK/LexicalPath.h>
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#include <AK/QuickSort.h>
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#include <LibCore/DirIterator.h>
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#include <LibFileSystem/FileSystem.h>
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namespace Manual {
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ErrorOr<NonnullRefPtr<SectionNode>> SectionNode::try_create_from_number(StringView section)
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{
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auto maybe_section_number = section.to_number<u32>();
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if (!maybe_section_number.has_value())
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return Error::from_string_literal("Section is not a number");
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auto section_number = maybe_section_number.release_value();
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if (section_number < 1 || section_number > number_of_sections)
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return Error::from_string_literal("Section number is not valid");
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return sections[section_number - 1];
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}
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ErrorOr<String> SectionNode::path() const
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{
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return String::formatted("{}/{}{}", manual_base_path, top_level_section_prefix, m_section);
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}
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ErrorOr<String> SectionNode::name() const
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{
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return String::formatted("{}. {}", m_section, m_name);
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}
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ErrorOr<void> SectionNode::reify_if_needed() const
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{
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if (m_reified)
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return {};
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m_reified = true;
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auto own_path = TRY(path());
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Core::DirIterator dir_iterator { own_path.to_byte_string(), Core::DirIterator::Flags::SkipDots };
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Vector<ByteString> directories;
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HashTable<ByteString> files;
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while (dir_iterator.has_next()) {
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auto entry = dir_iterator.next();
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if (entry->type == Core::DirectoryEntry::Type::Directory)
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TRY(directories.try_append(entry->name));
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else if (entry->type == Core::DirectoryEntry::Type::File && entry->name.ends_with(".md"sv, CaseSensitivity::CaseInsensitive))
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TRY(files.try_set(entry->name));
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}
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struct Child {
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NonnullRefPtr<Node const> node;
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String name_for_sorting;
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};
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Vector<Child> children;
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for (auto const& directory : directories) {
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LexicalPath lexical_path(directory);
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RefPtr<PageNode> associated_page;
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auto matching_page_name = ByteString::formatted("{}.md", directory);
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if (files.remove(matching_page_name))
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associated_page = TRY(try_make_ref_counted<PageNode>(*this, TRY(String::from_utf8(lexical_path.title()))));
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TRY(children.try_append({ .node = TRY(try_make_ref_counted<SubsectionNode>(*this, lexical_path.title(), associated_page)),
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.name_for_sorting = TRY(String::from_utf8(lexical_path.title())) }));
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}
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for (auto const& file : files) {
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LexicalPath lexical_path(file);
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children.append({ .node = TRY(try_make_ref_counted<PageNode>(*this, TRY(String::from_utf8(lexical_path.title())))),
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.name_for_sorting = TRY(String::from_utf8(lexical_path.title())) });
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}
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quick_sort(children, [](auto const& a, auto const& b) { return a.name_for_sorting < b.name_for_sorting; });
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m_children.ensure_capacity(children.size());
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for (auto child : children)
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m_children.unchecked_append(move(child.node));
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return {};
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}
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void SectionNode::set_open(bool open)
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{
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if (m_open == open)
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return;
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m_open = open;
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}
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Array<NonnullRefPtr<SectionNode>, number_of_sections> const sections = { {
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make_ref_counted<SectionNode>("1"sv, "User Programs"sv),
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make_ref_counted<SectionNode>("2"sv, "System Calls"sv),
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make_ref_counted<SectionNode>("3"sv, "Library Functions"sv),
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make_ref_counted<SectionNode>("4"sv, "Special Files"sv),
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make_ref_counted<SectionNode>("5"sv, "File Formats"sv),
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make_ref_counted<SectionNode>("6"sv, "Games"sv),
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make_ref_counted<SectionNode>("7"sv, "Miscellanea"sv),
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make_ref_counted<SectionNode>("8"sv, "Sysadmin Tools"sv),
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} };
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}
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