44 lines
998 B
Ruby
44 lines
998 B
Ruby
class Locale < I18n::Locale::Tag::Rfc4646
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class List < Array
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attr_reader :locales
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def initialize(tags)
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super(tags.map { |tag| Locale.tag(tag) }).compact!
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end
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def candidates(preferred)
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preferred.expand & self
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end
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def preferred(preferred)
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candidates(preferred).first
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end
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def expand
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map(&:candidates).flatten.uniq << Locale.default
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end
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end
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def self.list(*tags)
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List.new(tags.flatten)
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end
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def self.default
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tag(I18n.default_locale)
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end
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def self.available
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@available ||= List.new(I18n.available_locales)
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end
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def candidates
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[self.class.new(language, script, region, variant),
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self.class.new(language, script, region),
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self.class.new(language, script, nil, variant),
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self.class.new(language, script),
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self.class.new(language, nil, region, variant),
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self.class.new(language, nil, region),
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self.class.new(language, nil, nil, variant),
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self.class.new(language)]
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end
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end
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