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LibLocale+LibJS: Port locale parsing and processing to String

In order to prevent this commit from having to refactor almost all of
Intl, the goal here is to update the internal parsing/canonicalization
of locales within LibLocale only. Call sites which are already equiped
to handle String and OOM errors do so, however.
This commit is contained in:
Timothy Flynn 2023-01-19 10:53:20 -05:00 committed by Linus Groh
parent 618714e29a
commit ca62aeb6bd
11 changed files with 371 additions and 299 deletions

View file

@ -87,20 +87,34 @@ TEST_CASE(is_type_identifier)
EXPECT(!Locale::is_type_identifier("aaaa-"sv));
}
template<typename LHS, typename RHS>
[[nodiscard]] static bool compare_vectors(LHS const& lhs, RHS const& rhs)
{
if (lhs.size() != rhs.size())
return false;
for (size_t i = 0; i < lhs.size(); ++i) {
if (lhs[i] != rhs[i])
return false;
}
return true;
}
TEST_CASE(parse_unicode_locale_id)
{
auto fail = [](StringView locale) {
auto locale_id = Locale::parse_unicode_locale_id(locale);
auto locale_id = MUST(Locale::parse_unicode_locale_id(locale));
EXPECT(!locale_id.has_value());
};
auto pass = [](StringView locale, Optional<StringView> expected_language, Optional<StringView> expected_script, Optional<StringView> expected_region, Vector<DeprecatedString> expected_variants) {
auto locale_id = Locale::parse_unicode_locale_id(locale);
auto pass = [](StringView locale, Optional<StringView> expected_language, Optional<StringView> expected_script, Optional<StringView> expected_region, Vector<StringView> expected_variants) {
auto locale_id = MUST(Locale::parse_unicode_locale_id(locale));
VERIFY(locale_id.has_value());
EXPECT_EQ(locale_id->language_id.language, expected_language);
EXPECT_EQ(locale_id->language_id.script, expected_script);
EXPECT_EQ(locale_id->language_id.region, expected_region);
EXPECT_EQ(locale_id->language_id.variants, expected_variants);
EXPECT(compare_vectors(locale_id->language_id.variants, expected_variants));
};
fail("a"sv);
@ -120,17 +134,27 @@ TEST_CASE(parse_unicode_locale_id)
TEST_CASE(parse_unicode_locale_id_with_unicode_locale_extension)
{
struct LocaleExtension {
struct Keyword {
StringView key {};
StringView value {};
};
Vector<StringView> attributes {};
Vector<Keyword> keywords {};
};
auto fail = [](StringView locale) {
auto locale_id = Locale::parse_unicode_locale_id(locale);
auto locale_id = MUST(Locale::parse_unicode_locale_id(locale));
EXPECT(!locale_id.has_value());
};
auto pass = [](StringView locale, Locale::LocaleExtension const& expected_extension) {
auto locale_id = Locale::parse_unicode_locale_id(locale);
auto pass = [](StringView locale, LocaleExtension const& expected_extension) {
auto locale_id = MUST(Locale::parse_unicode_locale_id(locale));
VERIFY(locale_id.has_value());
EXPECT_EQ(locale_id->extensions.size(), 1u);
auto const& actual_extension = locale_id->extensions[0].get<Locale::LocaleExtension>();
VERIFY(actual_extension.attributes == expected_extension.attributes);
EXPECT(compare_vectors(actual_extension.attributes, expected_extension.attributes));
EXPECT_EQ(actual_extension.keywords.size(), expected_extension.keywords.size());
for (size_t i = 0; i < actual_extension.keywords.size(); ++i) {
@ -166,12 +190,30 @@ TEST_CASE(parse_unicode_locale_id_with_unicode_locale_extension)
TEST_CASE(parse_unicode_locale_id_with_transformed_extension)
{
struct TransformedExtension {
struct LanguageID {
bool is_root { false };
Optional<StringView> language {};
Optional<StringView> script {};
Optional<StringView> region {};
Vector<StringView> variants {};
};
struct TransformedField {
StringView key {};
StringView value {};
};
Optional<LanguageID> language {};
Vector<TransformedField> fields {};
};
auto fail = [](StringView locale) {
auto locale_id = Locale::parse_unicode_locale_id(locale);
auto locale_id = MUST(Locale::parse_unicode_locale_id(locale));
EXPECT(!locale_id.has_value());
};
auto pass = [](StringView locale, Locale::TransformedExtension const& expected_extension) {
auto locale_id = Locale::parse_unicode_locale_id(locale);
auto pass = [](StringView locale, TransformedExtension const& expected_extension) {
auto locale_id = MUST(Locale::parse_unicode_locale_id(locale));
VERIFY(locale_id.has_value());
EXPECT_EQ(locale_id->extensions.size(), 1u);
@ -182,7 +224,7 @@ TEST_CASE(parse_unicode_locale_id_with_transformed_extension)
EXPECT_EQ(actual_extension.language->language, expected_extension.language->language);
EXPECT_EQ(actual_extension.language->script, expected_extension.language->script);
EXPECT_EQ(actual_extension.language->region, expected_extension.language->region);
EXPECT_EQ(actual_extension.language->variants, expected_extension.language->variants);
EXPECT(compare_vectors(actual_extension.language->variants, expected_extension.language->variants));
}
EXPECT_EQ(actual_extension.fields.size(), expected_extension.fields.size());
@ -216,28 +258,33 @@ TEST_CASE(parse_unicode_locale_id_with_transformed_extension)
fail("en-t-k0-aa"sv);
fail("en-t-k0-aaaaaaaaa"sv);
pass("en-t-en"sv, { Locale::LanguageID { false, "en"sv }, {} });
pass("en-t-en-latn"sv, { Locale::LanguageID { false, "en"sv, "latn"sv }, {} });
pass("en-t-en-us"sv, { Locale::LanguageID { false, "en"sv, {}, "us"sv }, {} });
pass("en-t-en-latn-us"sv, { Locale::LanguageID { false, "en"sv, "latn"sv, "us"sv }, {} });
pass("en-t-en-posix"sv, { Locale::LanguageID { false, "en"sv, {}, {}, { "posix"sv } }, {} });
pass("en-t-en-latn-posix"sv, { Locale::LanguageID { false, "en"sv, "latn"sv, {}, { "posix"sv } }, {} });
pass("en-t-en-us-posix"sv, { Locale::LanguageID { false, "en"sv, {}, "us"sv, { "posix"sv } }, {} });
pass("en-t-en-latn-us-posix"sv, { Locale::LanguageID { false, "en"sv, "latn"sv, "us"sv, { "posix"sv } }, {} });
pass("en-t-en"sv, { TransformedExtension::LanguageID { false, "en"sv }, {} });
pass("en-t-en-latn"sv, { TransformedExtension::LanguageID { false, "en"sv, "latn"sv }, {} });
pass("en-t-en-us"sv, { TransformedExtension::LanguageID { false, "en"sv, {}, "us"sv }, {} });
pass("en-t-en-latn-us"sv, { TransformedExtension::LanguageID { false, "en"sv, "latn"sv, "us"sv }, {} });
pass("en-t-en-posix"sv, { TransformedExtension::LanguageID { false, "en"sv, {}, {}, { "posix"sv } }, {} });
pass("en-t-en-latn-posix"sv, { TransformedExtension::LanguageID { false, "en"sv, "latn"sv, {}, { "posix"sv } }, {} });
pass("en-t-en-us-posix"sv, { TransformedExtension::LanguageID { false, "en"sv, {}, "us"sv, { "posix"sv } }, {} });
pass("en-t-en-latn-us-posix"sv, { TransformedExtension::LanguageID { false, "en"sv, "latn"sv, "us"sv, { "posix"sv } }, {} });
pass("en-t-k0-aaa"sv, { {}, { { "k0"sv, { "aaa"sv } } } });
pass("en-t-k0-aaa-bbbb"sv, { {}, { { "k0"sv, "aaa-bbbb"sv } } });
pass("en-t-k0-aaa-k1-bbbb"sv, { {}, { { "k0"sv, { "aaa"sv } }, { "k1"sv, "bbbb"sv } } });
pass("en-t-en-k0-aaa"sv, { Locale::LanguageID { false, "en"sv }, { { "k0"sv, "aaa"sv } } });
pass("en-t-en-k0-aaa"sv, { TransformedExtension::LanguageID { false, "en"sv }, { { "k0"sv, "aaa"sv } } });
}
TEST_CASE(parse_unicode_locale_id_with_other_extension)
{
struct OtherExtension {
char key {};
StringView value {};
};
auto fail = [](StringView locale) {
auto locale_id = Locale::parse_unicode_locale_id(locale);
auto locale_id = MUST(Locale::parse_unicode_locale_id(locale));
EXPECT(!locale_id.has_value());
};
auto pass = [](StringView locale, Locale::OtherExtension const& expected_extension) {
auto locale_id = Locale::parse_unicode_locale_id(locale);
auto pass = [](StringView locale, OtherExtension const& expected_extension) {
auto locale_id = MUST(Locale::parse_unicode_locale_id(locale));
VERIFY(locale_id.has_value());
EXPECT_EQ(locale_id->extensions.size(), 1u);
@ -267,13 +314,13 @@ TEST_CASE(parse_unicode_locale_id_with_other_extension)
TEST_CASE(parse_unicode_locale_id_with_private_use_extension)
{
auto fail = [](StringView locale) {
auto locale_id = Locale::parse_unicode_locale_id(locale);
auto locale_id = MUST(Locale::parse_unicode_locale_id(locale));
EXPECT(!locale_id.has_value());
};
auto pass = [](StringView locale, Vector<DeprecatedString> const& expected_extension) {
auto locale_id = Locale::parse_unicode_locale_id(locale);
auto pass = [](StringView locale, Vector<StringView> const& expected_extension) {
auto locale_id = MUST(Locale::parse_unicode_locale_id(locale));
VERIFY(locale_id.has_value());
EXPECT_EQ(locale_id->private_use_extensions, expected_extension);
EXPECT(compare_vectors(locale_id->private_use_extensions, expected_extension));
};
fail("en-x"sv);
@ -291,10 +338,10 @@ TEST_CASE(parse_unicode_locale_id_with_private_use_extension)
TEST_CASE(canonicalize_unicode_locale_id)
{
auto test = [](StringView locale, StringView expected_canonical_locale) {
auto locale_id = Locale::parse_unicode_locale_id(locale);
auto locale_id = MUST(Locale::parse_unicode_locale_id(locale));
VERIFY(locale_id.has_value());
auto canonical_locale = Locale::canonicalize_unicode_locale_id(*locale_id);
auto canonical_locale = MUST(Locale::canonicalize_unicode_locale_id(*locale_id));
EXPECT_EQ(*canonical_locale, expected_canonical_locale);
};