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|
=begin
locale.rb - Locale module
Copyright (C) 2002-2006 Masao Mutoh
You may redistribute it and/or modify it under the same
license terms as Ruby.
$Id: locale.rb,v 1.11 2006/03/15 16:34:05 mutoh Exp $
=end
require 'gettext/locale_object'
begin
require 'locale_system'
rescue LoadError
# This is used for installation process(from rake only)
# And deprecated these constants.
module Locale
# Deprecated.
CTYPE = 0
# Deprecated.
NUMERIC = 1
# Deprecated.
TIME = 2
# Deprecated.
COLLATE = 3
# Deprecated.
MONETARY = 4
# Deprecated.
MESSAGES = 5
# Deprecated.
ALL = 6
end
end
if /cygwin|mingw|win32/ =~ RUBY_PLATFORM
require 'gettext/locale_win32'
else
require 'gettext/locale_posix'
end
# Locale module manages the locale informations of the application.
module Locale
unless defined? CTYPE
CTYPE = 0 #:nodoc:
NUMERIC = 1 #:nodoc:
TIME = 2 #:nodoc:
COLLATE = 3 #:nodoc:
MONETARY = 4 #:nodoc:
MESSAGES = 5 #:nodoc:
ALL = 6 #:nodoc:
end
@@default = nil
@@current = nil
module_function
# Sets the default locale (Locale::Object).
#
# * locale: the default locale
# * Returns: self.
def set_default(locale)
@@default = locale
if @@default
@@default.charset ||= @@locale_system_module.get_charset(locale)
end
self
end
# Same as Locale.set_default.
#
# * locale: the default locale (Locale::Object).
# * Returns: locale.
def default=(locale)
set_default(locale)
@@default
end
# Gets the system locale.
# * Returns: the system locale (Locale::Object).
def system
@@locale_system_module.system
end
# Gets the default locale.
#
# If the default locale not set, this returns system locale.
# * Returns: the default locale (Locale::Object).
def default
@@default ? @@default : system
end
# Gets the current locale (Locale::Object).
#
# If the current locale is not set, this returns default locale.
# * Returns: the current locale (Locale::Object).
def current
@@current = default unless @@current
@@current
end
# Sets a locale as the current locale.
#
# This returns the current Locale::Object.
# * lang: Locale::Object or locale name(String), or language name.
# * country: the country code(String)
# * charset: the charset(override the charset even if the locale name has charset).
# * Returns: self
#
# Locale.set_current("ja_JP.eucJP")
# Locale.set_current("ja", "JP")
# Locale.set_current("ja", "JP", "eucJP")
# Locale.set_current("ja", nil, "eucJP")
# Locale.set_current(Locale::Object.new("ja", "JP", "eucJP"))
def set_current(lang, country = nil, charset = nil)
if lang == nil
@@current = nil
else
if lang.kind_of? Locale::Object
@@current = lang
else
@@current = Locale::Object.new(lang, country, charset)
end
@@current.charset ||= @@locale_system_module.get_charset(@@current)
end
self
end
# Sets a current locale. This is a single argument version of Locale.set_current.
#
# * lang: the Locale::Object
# * Returns: the current locale (Locale::Object).
#
# Locale.current = "ja_JP.eucJP"
# Locale.current = Locale::Object.new("ja", "JP", "eucJP")
def current=(lang)
set_current(lang)
@@current
end
# call-seq:
# set(lang)
# set(lang, country = nil, charset = nil)
#
# * lang: language as String, or Locale::Object
# * country: country as String or nil
# * charset: charset as String or nil
# * Returns: a Locale::Object.
#
# Sets a default locale. This function is an alias of Locale.set_default.
#
# *Notice*: Locale.set(lctype, locale) is deprecated.
def set(lang, country = nil, charset = nil)
if lang.kind_of? Numeric
warn "Locale.set(lctype, locale) is deprecated. Use Locale.set(locale) instead."
# Locale.set(Locale::CTYPE, "ja_JP.eucJP") "country" means locale.
lang = country
country = nil
charset = nil
end
set_current(nil)
if lang.kind_of? String
set_default(Locale::Object.new(lang, country, charset))
elsif lang.kind_of? Locale::Object
set_default(lang)
else
set_default(nil)
end
@@default
end
# call-seq:
# current
# get
# get(lctype = nil) (Deprecated)
#
# * Returns: the current locale (Locale::Object).
#
# *Notice*: lctype is deprecated. Use this with no parameter instead.
def get(lctype = nil)
warn "Locale.get(lctype) is deprecated. Use Locale.get (noparam) instead." if lctype
@@current = default unless @@current
@@current
end
# *Deprecated*. Use Locale.set or Locale.set_current instead.
def setlocale(lctype, loc)
warn "Deprecated. Use Locale#set instead."
set(lctype, loc)
end
# Same as charset. Gets the charset of the current locale.
# * Returns: the charset of the current locale (String)
def codeset
current.charset
end
# Gets the charset of the current locale.
# * Returns: the charset of the current locale (String)
def charset
codeset
end
# Same as codeset. Returns the charset of the current locale.
# * Returns: the charset of the current locale (String)
def current_charset
codeset
end
# Clear default/current locale.
# * Returns: self
def clear
set(nil)
set_current(nil)
self
end
end
|
