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Contents
#
# bitclust/messagecatalog.rb
#
# Copyright (c) 2006-2008 Minero Aoki
#
# This program is free software.
# You can distribute/modify this program under the Ruby License.
#
module BitClust
module Translatable
private
def init_message_catalog(catalog)
@__message_catalog = catalog
end
def message_catalog
@__message_catalog
end
def _(key, *args)
@__message_catalog.translate(key, *args)
end
end
# FIXME: support automatic encoding-conversion
class MessageCatalog
ENCODING_MAP = {
'utf-8' => 'UTF-8',
'euc-jp' => 'EUC-JP',
'shift_jis' => 'Shift_JIS'
}
# FIXME: support non ja_JP locales
def MessageCatalog.encoding2locale(enc)
newenc = ENCODING_MAP[enc.downcase]
newenc ? "ja_JP.#{newenc}" : "C"
end
def MessageCatalog.load(prefix)
load_with_locales(prefix, env_locales())
end
def MessageCatalog.load_with_locales(prefix, locales)
path, loc = find_catalog(prefix, locales)
path ? load_file(path, loc) : new({}, 'C')
end
def MessageCatalog.env_locales
[ENV['LC_MESSAGES'], ENV['LC_ALL'], ENV['LANG'], 'C']\
.compact.uniq.reject {|loc| loc.empty? }
end
private_class_method :env_locales
def MessageCatalog.find_catalog(prefix, locales)
locales.each do |locale|
path = "#{prefix}/#{locale}"
return path, locale if File.file?(path)
end
nil
end
private_class_method :find_catalog
def MessageCatalog.load_file(path, locale)
h = {}
fopen(path, 'r:UTF-8') {|f|
f.each do |key|
h[key.chomp] = f.gets.chomp
end
}
new(h, locale)
end
def initialize(msgs, locale)
@msgs = msgs
@locale = locale
end
def inspect
"\#<#{self.class} #{@locale}>"
end
def translate(key, *args)
str = @msgs[key] || key
sprintf(str, *args)
end
end
end
Version data entries
12 entries across 8 versions & 1 rubygems