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module Gitlab
module I18n
class MetadataEntry
attr_reader :entry_data
# Avoid testing too many plurals if `nplurals` was incorrectly set.
# Based on info on https://www.gnu.org/software/gettext/manual/html_node/Plural-forms.html
# which mentions special cases for numbers ending in 2 digits
MAX_FORMS_TO_TEST = 101
def initialize(entry_data)
@entry_data = entry_data
end
def expected_forms
return nil unless plural_information
plural_information['nplurals'].to_i
end
def forms_to_test
@forms_to_test ||= [expected_forms, MAX_FORMS_TO_TEST].compact.min
end
private
def plural_information
return @plural_information if defined?(@plural_information)
if plural_line = entry_data[:msgstr].detect { |metadata_line| metadata_line.starts_with?('Plural-Forms: ') }
@plural_information = Hash[plural_line.scan(/(\w+)=([^;\n]+)/)]
end
end
end
end
end
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