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module I18n
class Config
# The only configuration value that is not global and scoped to thread is :locale.
# It defaults to the default_locale.
def locale
@locale ||= default_locale
end
# Sets the current locale pseudo-globally, i.e. in the Thread.current hash.
def locale=(locale)
@locale = locale.to_sym rescue nil
end
# Returns the current backend. Defaults to +Backend::Simple+.
def backend
@@backend ||= Backend::Simple.new
end
# Sets the current backend. Used to set a custom backend.
def backend=(backend)
@@backend = backend
end
# Returns the current default locale. Defaults to :'en'
def default_locale
@@default_locale ||= :en
end
# Sets the current default locale. Used to set a custom default locale.
def default_locale=(locale)
@@default_locale = locale.to_sym rescue nil
end
# Returns an array of locales for which translations are available.
# Unless you explicitely set these through I18n.available_locales=
# the call will be delegated to the backend.
def available_locales
@@available_locales ||= nil
@@available_locales || backend.available_locales
end
# Sets the available locales.
def available_locales=(locales)
@@available_locales = Array(locales).map { |locale| locale.to_sym }
@@available_locales = nil if @@available_locales.empty?
end
# Returns the current default scope separator. Defaults to '.'
def default_separator
@@default_separator ||= '.'
end
# Sets the current default scope separator.
def default_separator=(separator)
@@default_separator = separator
end
# Return the current exception handler. Defaults to :default_exception_handler.
def exception_handler
@@exception_handler ||= ExceptionHandler.new
end
# Sets the exception handler.
def exception_handler=(exception_handler)
@@exception_handler = exception_handler
end
# Allow clients to register paths providing translation data sources. The
# backend defines acceptable sources.
#
# E.g. the provided SimpleBackend accepts a list of paths to translation
# files which are either named *.rb and contain plain Ruby Hashes or are
# named *.yml and contain YAML data. So for the SimpleBackend clients may
# register translation files like this:
# I18n.load_path << 'path/to/locale/en.yml'
def load_path
@@load_path ||= []
end
# Sets the load path instance. Custom implementations are expected to
# behave like a Ruby Array.
def load_path=(load_path)
@@load_path = load_path
end
end
end
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