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https://github.com/RGBCube/serenity
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LibUnicode: Parse and generate custom emoji added for SerenityOS
Parse emoji from emoji-serenity.txt to allow displaying their names and grouping them together in the EmojiInputDialog. This also adds an "Unknown" value to the EmojiGroup enum. This will be useful for emoji that aren't found in the UCD, or for when UCD downloads are disabled.
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0aadd4869d
commit
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3 changed files with 72 additions and 2 deletions
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@ -5,6 +5,7 @@
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*/
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#include "GeneratorUtil.h"
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#include <AK/AnyOf.h>
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#include <AK/SourceGenerator.h>
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#include <AK/String.h>
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#include <AK/StringUtils.h>
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@ -87,6 +88,57 @@ static ErrorOr<void> parse_emoji_test_data(Core::Stream::BufferedFile& file, Emo
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return {};
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}
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static ErrorOr<void> parse_emoji_serenity_data(Core::Stream::BufferedFile& file, EmojiData& emoji_data)
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{
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static constexpr auto code_point_header = "U+"sv;
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Array<u8, 1024> buffer;
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auto display_order = static_cast<u32>(emoji_data.emojis.size()) + 1u;
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while (TRY(file.can_read_line())) {
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auto line = TRY(file.read_line(buffer));
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if (line.is_empty())
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continue;
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auto index = line.find(code_point_header);
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if (!index.has_value())
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continue;
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line = line.substring_view(*index);
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StringBuilder builder;
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Emoji emoji {};
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emoji.group = Unicode::EmojiGroup::SerenityOS;
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emoji.display_order = display_order++;
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line.for_each_split_view(' ', false, [&](auto segment) {
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if (segment.starts_with(code_point_header)) {
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segment = segment.substring_view(code_point_header.length());
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auto code_point = AK::StringUtils::convert_to_uint_from_hex<u32>(segment);
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VERIFY(code_point.has_value());
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emoji.code_points.append(*code_point);
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} else {
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if (!builder.is_empty())
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builder.append(' ');
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builder.append(segment);
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}
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});
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auto name = builder.build();
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if (!any_of(name, is_ascii_lower_alpha))
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name = name.to_titlecase();
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emoji.name = emoji_data.unique_strings.ensure(move(name));
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emoji.code_points_name = String::join('_', emoji.code_points);
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TRY(emoji_data.emojis.try_append(move(emoji)));
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}
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return {};
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}
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static ErrorOr<void> generate_emoji_data_header(Core::Stream::BufferedFile& file, EmojiData const&)
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{
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StringBuilder builder;
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@ -194,19 +246,23 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
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StringView generated_header_path;
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StringView generated_implementation_path;
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StringView emoji_test_path;
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StringView emoji_serenity_path;
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Core::ArgsParser args_parser;
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args_parser.add_option(generated_header_path, "Path to the Unicode Data header file to generate", "generated-header-path", 'h', "generated-header-path");
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args_parser.add_option(generated_implementation_path, "Path to the Unicode Data implementation file to generate", "generated-implementation-path", 'c', "generated-implementation-path");
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args_parser.add_option(emoji_test_path, "Path to emoji-test.txt file", "emoji-test-path", 'e', "emoji-test-path");
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args_parser.add_option(emoji_serenity_path, "Path to emoji-serenity.txt file", "emoji-serenity-path", 's', "emoji-serenity-path");
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args_parser.parse(arguments);
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auto generated_header_file = TRY(open_file(generated_header_path, Core::Stream::OpenMode::Write));
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auto generated_implementation_file = TRY(open_file(generated_implementation_path, Core::Stream::OpenMode::Write));
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auto emoji_test_file = TRY(open_file(emoji_test_path, Core::Stream::OpenMode::Read));
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auto emoji_serenity_file = TRY(open_file(emoji_serenity_path, Core::Stream::OpenMode::Read));
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EmojiData emoji_data {};
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TRY(parse_emoji_test_data(*emoji_test_file, emoji_data));
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TRY(parse_emoji_serenity_data(*emoji_serenity_file, emoji_data));
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TRY(generate_emoji_data_header(*generated_header_file, emoji_data));
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TRY(generate_emoji_data_implementation(*generated_implementation_file, emoji_data));
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