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LibJS: Respect per-locale minimum grouping digits when number formatting

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Timothy Flynn 2022-01-27 12:45:23 -05:00 • committed by Linus Groh
parent 2d2f713426
commit cf92bc42a2
2 changed files with 28 additions and 12 deletions
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26
Userland/Libraries/LibJS/Runtime/Intl/NumberFormat.cpp
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@ -714,27 +714,29 @@ Vector<PatternPartition> partition_number_pattern(NumberFormat& number_format, d
static Vector<StringView> separate_integer_into_groups(Unicode::NumberGroupings const& grouping_sizes, StringView integer)
{
Utf8View utf8_integer { integer };
if (utf8_integer.length() <= grouping_sizes.primary_grouping_size)
return { integer };
size_t index = utf8_integer.length() - grouping_sizes.primary_grouping_size;
if (index < grouping_sizes.minimum_grouping_digits)
return { integer };
Vector<StringView> groups;
auto add_group = [&](size_t index, size_t length) {
groups.prepend(utf8_integer.unicode_substring_view(index, length).as_string());
};
if (utf8_integer.length() > grouping_sizes.primary_grouping_size) {
size_t index = utf8_integer.length() - grouping_sizes.primary_grouping_size;
add_group(index, grouping_sizes.primary_grouping_size);
add_group(index, grouping_sizes.primary_grouping_size);
while (index > grouping_sizes.secondary_grouping_size) {
index -= grouping_sizes.secondary_grouping_size;
add_group(index, grouping_sizes.secondary_grouping_size);
}
if (index > 0)
add_group(0, index);
} else {
groups.append(integer);
while (index > grouping_sizes.secondary_grouping_size) {
index -= grouping_sizes.secondary_grouping_size;
add_group(index, grouping_sizes.secondary_grouping_size);
}
if (index > 0)
add_group(0, index);
return groups;
}