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Code Issues Projects Releases Packages Wiki Activity Actions 9

LibUnicode: Add public methods to compare and lookup Unicode properties

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Adds methods to retrieve a Unicode property from a string and to check
if a code point matches a Unicode property.

Also adds a <LibUnicode/Forward.h> header.
This commit is contained in:
Timothy Flynn 2021-07-28 21:45:09 -04:00 • committed by Linus Groh
parent 3f80791ed5
commit f1809db994
Notes: sideshowbarker 2024-07-18 07:43:51 +09:00
4 changed files with 92 additions and 9 deletions
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35
Userland/Libraries/LibUnicode/CodeGenerators/GenerateUnicodeData.cpp
View file

@ -404,6 +404,7 @@ constexpr @name@ operator|(@name@ value1, @name@ value2)
#include <AK/Optional.h>
#include <AK/Types.h>
#include <LibUnicode/Forward.h>
namespace Unicode {
)~~~");
@ -411,7 +412,7 @@ namespace Unicode {
generate_enum("Locale"sv, "None"sv, move(unicode_data.locales));
generate_enum("Condition"sv, "None"sv, move(unicode_data.conditions));
generate_enum("GeneralCategory"sv, {}, move(unicode_data.general_categories));
generate_enum("Property"sv, "Assigned"sv, unicode_data.prop_list.keys(), move(unicode_data.prop_aliases), true);
generate_enum("Property"sv, "Assigned"sv, unicode_data.prop_list.keys(), unicode_data.prop_aliases, true);
generate_enum("WordBreakProperty"sv, "Other"sv, unicode_data.word_break_prop_list.keys());
generator.append(R"~~~(
@ -469,7 +470,12 @@ struct UnicodeData {
WordBreakProperty word_break_property { WordBreakProperty::Other };
};
namespace Detail {
Optional<UnicodeData> unicode_data_for_code_point(u32 code_point);
Optional<Property> property_from_string(StringView const& property);
}
})~~~");
@ -489,6 +495,7 @@ static void generate_unicode_data_implementation(UnicodeData unicode_data)
#include <AK/Array.h>
#include <AK/CharacterTypes.h>
#include <AK/Find.h>
#include <AK/StringView.h>
#include <LibUnicode/UnicodeData.h>
namespace Unicode {
@ -597,6 +604,8 @@ static Optional<u32> index_of_code_point_in_range(u32 code_point)
return {};
}
namespace Detail {
Optional<UnicodeData> unicode_data_for_code_point(u32 code_point)
{
VERIFY(is_unicode(code_point));
@ -618,6 +627,30 @@ Optional<UnicodeData> unicode_data_for_code_point(u32 code_point)
return {};
}
Optional<Property> property_from_string(StringView const& property)
{
if (property == "Assigned"sv)
return Property::Assigned;)~~~");
for (auto const& property : unicode_data.prop_list) {
generator.set("property", property.key);
generator.append(R"~~~(
if (property == "@property@"sv)
return Property::@property@;)~~~");
}
for (auto const& alias : unicode_data.prop_aliases) {
generator.set("property", alias.alias);
generator.append(R"~~~(
if (property == "@property@"sv)
return Property::@property@;)~~~");
}
generator.append(R"~~~(
return {};
}
}
})~~~");
outln("{}", generator.as_string_view());