Module: Locale::Driver::Env

Defined in:
lib/locale/driver/env.rb

Overview

Locale::Driver::Env module. Detect the user locales and the charset. All drivers(except CGI) refer environment variables first and use it as the locale if it’s defined. This is a low-level module. Application shouldn’t use this directly.

Class Method Summary collapse

Class Method Details

.charset ⇒ Object

Gets the charset from environment variable or return nil.

  • Returns: the system charset.



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# File 'lib/locale/driver/env.rb', line 66

def charset  # :nodoc:
  if loc = locale
    loc.charset
  else
    nil
  end
end

.locale ⇒ Object

Gets the locale from environment variable. (LC_ALL > LC_CTYPES > LANG) Returns: the locale as Locale::Tag::Posix.



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# File 'lib/locale/driver/env.rb', line 39

def locale
  # At least one environment valiables should be set on *nix system.
  [ENV["LC_ALL"], ENV["LC_CTYPES"], ENV["LANG"]].each do |loc|
    if loc != nil and loc.size > 0
      return Locale::Tag::Posix.parse(loc)
    end
  end
  nil
end

.locales ⇒ Object

Gets the locales from environment variables. (LANGUAGE > LC_ALL > LC_CTYPES > LANG)

  • Returns: an Array of the locale as Locale::Tag::Posix or nil.



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# File 'lib/locale/driver/env.rb', line 51

def locales
  locales = ENV["LANGUAGE"]
  if (locales != nil and locales.size > 0)
    locs = locales.split(/:/).collect{|v| Locale::Tag::Posix.parse(v)}.compact
    if locs.size > 0
      return Locale::TagList.new(locs)
    end
  elsif (loc = locale)
    return Locale::TagList.new([loc])
  end
  nil
end