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# encoding: utf-8
require 'fedux_org_stdlib/process_environment'
require 'fedux_org_stdlib/shell_language_detector/language'
module FeduxOrgStdlib
class ShellLanguageDetector
private
attr_reader :environment, :default_encoding, :default_language_code, :default_country_code
public
def initialize(default_language_code: :en, default_country_code: :gb, default_encoding: :utf_8, environment: ProcessEnvironment.new)
@default_language_code = default_language_code.to_sym
@default_country_code = default_country_code.to_sym
@default_encoding = default_encoding.to_sym
@environment = environment
end
# @param [Array, Symbol, String] allowed
# The languages which are allowed
#
# @return [Language]
# The detected language or the default language if no allowed language was detected
def detect(allowed: [], overwrite: [])
allowed = Array(allowed).map(&:to_sym)
overwrite = Array(overwrite).map(&:to_sym)
lang = environment.fetch 'LANG'
language_code, country_code, encoding = lang.scan(/([^_-]+)[_-]([^.]+)\.([A-Za-z0-9_-]*)/i).flatten.map(&:downcase).map { |e| e.gsub('-', '_') }.map { |e| e.to_sym if !e.nil? }
language_code, country_code, encoding = *overwrite if !overwrite.blank?
return Language.new(language_code: language_code, country_code: country_code, encoding: encoding) if language_code && (allowed.blank? || allowed.include?(language_code))
Language.new(language_code: default_language_code, country_code: default_country_code, encoding: default_encoding)
end
end
end
Version data entries
25 entries across 25 versions & 1 rubygems