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