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LibUnicode: Validate that all emoji images in /res/emoji actually exist

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This will raise a compile error if an emoji image was neglected to be
added to e.g. emoji-serenity.txt, or if the code points are not correct.
This commit is contained in:
Timothy Flynn 2023-03-03 12:03:22 -05:00 committed by Linus Groh
parent 360e7d22fc
commit 03f32bdf86
Notes: sideshowbarker 2024-07-16 23:32:20 +09:00 
Author: https://github.com/trflynn89
Commit: https://github.com/SerenityOS/serenity/commit/03f32bdf86
Pull-request: https://github.com/SerenityOS/serenity/pull/17702
1 changed files with 42 additions and 0 deletions
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42
Meta/Lagom/Tools/CodeGenerators/LibUnicode/GenerateEmojiData.cpp
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@ -12,6 +12,7 @@
#include <AK/Types.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/DeprecatedFile.h>
#include <LibCore/DirIterator.h>
#include <LibCore/Directory.h>
#include <LibUnicode/Emoji.h>
@ -167,6 +168,45 @@ static ErrorOr<void> parse_emoji_serenity_data(Core::BufferedFile& file, EmojiDa
return {};
}
static ErrorOr<void> validate_emoji(StringView emoji_resource_path, EmojiData& emoji_data)
{
Core::DirIterator iterator(emoji_resource_path, Core::DirIterator::SkipDots);
while (iterator.has_next()) {
auto filename = iterator.next_path();
auto lexical_path = LexicalPath(filename);
if (lexical_path.extension() != "png")
continue;
auto basename = lexical_path.basename();
if (!basename.starts_with("U+"sv))
continue;
basename = basename.substring_view(0, basename.length() - lexical_path.extension().length() - 1);
Vector<u32> code_points;
TRY(basename.for_each_split_view('_', SplitBehavior::Nothing, [&](auto segment) -> ErrorOr<void> {
auto code_point = AK::StringUtils::convert_to_uint_from_hex<u32>(segment.substring_view(2));
VERIFY(code_point.has_value());
TRY(code_points.try_append(*code_point));
return {};
}));
auto it = emoji_data.emojis.find_if([&](auto const& emoji) {
return emoji.code_points == code_points;
});
if (it == emoji_data.emojis.end()) {
warnln("\x1b[1;31mError!\x1b[0m Emoji data for \x1b[35m{}\x1b[0m not found. Please check emoji-test.txt and emoji-serenity.txt.", filename);
return Error::from_errno(ENOENT);
}
}
return {};
}
static ErrorOr<void> generate_emoji_data_header(Core::BufferedFile& file, EmojiData const&)
{
StringBuilder builder;
@ -356,6 +396,8 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
if (!emoji_serenity_path.is_empty()) {
auto emoji_serenity_file = TRY(open_file(emoji_serenity_path, Core::File::OpenMode::Read));
TRY(parse_emoji_serenity_data(*emoji_serenity_file, emoji_data));
TRY(validate_emoji(emoji_resource_path, emoji_data));
}
size_t code_point_array_index { 0 };