module TwitterCldr::Shared::LanguageCodes
Constants
- LANGUAGE_CODES_DUMP_PATH
- NAME_STANDARD
- VALID_STANDARDS
Public Class Methods
convert(code, from_and_to = {})
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# File lib/twitter_cldr/shared/language_codes.rb, line 39 def convert(code, from_and_to = {}) from, to = extract_from_and_to_options(from_and_to) from.each do |from_std| to.each do |to_std| if result = (resource[from_std] || {}).fetch(code.to_sym, {})[to_std] return result end end end nil end
from_language(language, standard)
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# File lib/twitter_cldr/shared/language_codes.rb, line 53 def from_language(language, standard) convert(language, from: NAME_STANDARD, to: standard) end
languages()
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# File lib/twitter_cldr/shared/language_codes.rb, line 26 def languages resource[NAME_STANDARD].keys end
standards_for(code, standard)
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# File lib/twitter_cldr/shared/language_codes.rb, line 61 def standards_for(code, standard) standards = validate_standard(standard) standards.each do |std| if found = resource[std][code.to_sym] # exclude fake NAME_STANDARD standard return (found.keys & VALID_STANDARDS.keys) - [NAME_STANDARD] end end [] end
standards_for_language(language)
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# File lib/twitter_cldr/shared/language_codes.rb, line 74 def standards_for_language(language) standards_for(language, NAME_STANDARD) end
to_language(code, standard)
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# File lib/twitter_cldr/shared/language_codes.rb, line 57 def to_language(code, standard) convert(code, from: standard, to: NAME_STANDARD).to_s end
valid_code?(code, standard)
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# File lib/twitter_cldr/shared/language_codes.rb, line 34 def valid_code?(code, standard) standards = validate_standard(standard) standards.any? { |std| (resource[std] || {}).has_key?(code.to_sym) } end
valid_standard?(standard)
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# File lib/twitter_cldr/shared/language_codes.rb, line 30 def valid_standard?(standard) VALID_STANDARDS.include?(standard.to_sym) end
Private Class Methods
extract_from_and_to_options(from_and_to)
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# File lib/twitter_cldr/shared/language_codes.rb, line 84 def extract_from_and_to_options(from_and_to) TwitterCldr::Utils.deep_symbolize_keys(from_and_to).values_at(:from, :to).map do |standard| raise ArgumentError, 'options :from and :to are required' if standard.nil? validate_standard(standard) end end
resource()
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# File lib/twitter_cldr/shared/language_codes.rb, line 80 def resource @resource ||= File.open(LANGUAGE_CODES_DUMP_PATH) { |file| Marshal.load(file.read) } end
validate_standard(standard)
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# File lib/twitter_cldr/shared/language_codes.rb, line 91 def validate_standard(standard) raise ArgumentError, "standard can't be nil" if standard.nil? raise ArgumentError, "#{standard.inspect} is not a valid standard name" unless valid_standard?(standard) VALID_STANDARDS[standard.to_sym] end