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42c272c059
This adds an option to only detect emoji that should always present as emoji. For example, the copyright symbol (unless followed by an emoji presentation selector) should render as text.
120 lines
3.1 KiB
C++
120 lines
3.1 KiB
C++
/*
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* Copyright (c) 2022-2023, Tim Flynn <trflynn89@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Forward.h>
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#include <AK/Optional.h>
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#include <AK/StringView.h>
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#include <AK/Types.h>
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namespace Unicode {
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enum class EmojiGroup : u8 {
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Unknown,
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SmileysAndEmotion,
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PeopleAndBody,
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Component,
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AnimalsAndNature,
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FoodAndDrink,
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TravelAndPlaces,
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Activities,
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Objects,
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Symbols,
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Flags,
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// Non-standard emoji added for SerenityOS:
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SerenityOS,
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};
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struct Emoji {
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StringView name;
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Optional<StringView> image_path;
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EmojiGroup group { EmojiGroup::Unknown };
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u32 display_order { 0 };
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ReadonlySpan<u32> code_points;
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};
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Optional<Emoji> find_emoji_for_code_points(ReadonlySpan<u32> code_points);
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template<size_t Size>
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Optional<Emoji> find_emoji_for_code_points(u32 const (&code_points)[Size])
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{
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return find_emoji_for_code_points(ReadonlySpan<u32> { code_points });
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}
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enum class SequenceType {
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Any,
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EmojiPresentation,
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};
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bool could_be_start_of_emoji_sequence(Utf8CodePointIterator const&, SequenceType = SequenceType::Any);
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bool could_be_start_of_emoji_sequence(Utf32CodePointIterator const&, SequenceType = SequenceType::Any);
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constexpr StringView emoji_group_to_string(EmojiGroup group)
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{
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switch (group) {
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case EmojiGroup::Unknown:
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return "Unknown"sv;
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case EmojiGroup::SmileysAndEmotion:
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return "Smileys & Emotion"sv;
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case EmojiGroup::PeopleAndBody:
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return "People & Body"sv;
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case EmojiGroup::Component:
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return "Component"sv;
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case EmojiGroup::AnimalsAndNature:
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return "Animals & Nature"sv;
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case EmojiGroup::FoodAndDrink:
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return "Food & Drink"sv;
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case EmojiGroup::TravelAndPlaces:
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return "Travel & Places"sv;
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case EmojiGroup::Activities:
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return "Activities"sv;
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case EmojiGroup::Objects:
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return "Objects"sv;
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case EmojiGroup::Symbols:
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return "Symbols"sv;
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case EmojiGroup::Flags:
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return "Flags"sv;
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case EmojiGroup::SerenityOS:
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return "SerenityOS"sv;
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}
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VERIFY_NOT_REACHED();
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}
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constexpr EmojiGroup emoji_group_from_string(StringView group)
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{
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if (group == "Unknown"sv)
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return EmojiGroup::Unknown;
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if (group == "Smileys & Emotion"sv)
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return EmojiGroup::SmileysAndEmotion;
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if (group == "People & Body"sv)
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return EmojiGroup::PeopleAndBody;
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if (group == "Component"sv)
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return EmojiGroup::Component;
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if (group == "Animals & Nature"sv)
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return EmojiGroup::AnimalsAndNature;
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if (group == "Food & Drink"sv)
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return EmojiGroup::FoodAndDrink;
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if (group == "Travel & Places"sv)
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return EmojiGroup::TravelAndPlaces;
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if (group == "Activities"sv)
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return EmojiGroup::Activities;
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if (group == "Objects"sv)
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return EmojiGroup::Objects;
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if (group == "Symbols"sv)
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return EmojiGroup::Symbols;
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if (group == "Flags"sv)
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return EmojiGroup::Flags;
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if (group == "SerenityOS"sv)
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return EmojiGroup::SerenityOS;
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VERIFY_NOT_REACHED();
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}
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}
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