module I18n::Backend::Gettext - i18n-0.6.11 Documentation

# module I18n::Backend::Gettext

### Protected Instance Methods

load_po(filename) click to toggle source

    # File lib/i18n/backend/gettext.rb, line 30
    def load_po(filename)
      locale = ::File.basename(filename, '.po').to_sym
      data = normalize(locale, parse(filename))
      { locale => data }
    end

normalize(locale, data) click to toggle source

    # File lib/i18n/backend/gettext.rb, line 40
    def normalize(locale, data)
      data.inject({}) do |result, (key, value)|
        unless key.nil? || key.empty?
          key = key.gsub(I18n::Gettext::CONTEXT_SEPARATOR, '|')
          key, value = normalize_pluralization(locale, key, value) if key.index("\000")

          parts = key.split('|').reverse
          normalized = parts.inject({}) do |_normalized, part|
            { part => _normalized.empty? ? value : _normalized }
          end

          result.deep_merge!(normalized)
        end
        result
      end
    end

normalize_pluralization(locale, key, value) click to toggle source

    # File lib/i18n/backend/gettext.rb, line 57
    def normalize_pluralization(locale, key, value)
      # FIXME po_parser includes \000 chars that can not be turned into Symbols
      key = key.gsub("\000", I18n::Gettext::PLURAL_SEPARATOR).split(I18n::Gettext::PLURAL_SEPARATOR).first

      keys = I18n::Gettext.plural_keys(locale)
      values = value.split("\000")
      raise "invalid number of plurals: #{values.size}, keys: #{keys.inspect} on #{locale} locale for msgid #{key.inspect} with values #{values.inspect}" if values.size != keys.size

      result = {}
      values.each_with_index { |_value, ix| result[keys[ix]] = _value }
      [key, result]
    end

parse(filename) click to toggle source

    # File lib/i18n/backend/gettext.rb, line 36
    def parse(filename)
      GetText::PoParser.new.parse(::File.read(filename), PoData.new)
    end