diff options
Diffstat (limited to 'ruby_1_9_3/lib/irb/locale.rb')
| -rw-r--r-- | ruby_1_9_3/lib/irb/locale.rb | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/ruby_1_9_3/lib/irb/locale.rb b/ruby_1_9_3/lib/irb/locale.rb new file mode 100644 index 0000000000..7781006da4 --- /dev/null +++ b/ruby_1_9_3/lib/irb/locale.rb @@ -0,0 +1,182 @@ +# +# irb/locale.rb - internationalization module +# $Release Version: 0.9.6$ +# $Revision$ +# by Keiju ISHITSUKA(keiju@ruby-lang.org) +# +# -- +# +# +# +module IRB + class Locale + @RCS_ID='-$Id$-' + + LOCALE_NAME_RE = %r[ + (?<language>[[:alpha:]]{2,3}) + (?:_ (?<territory>[[:alpha:]]{2,3}) )? + (?:\. (?<codeset>[^@]+) )? + (?:@ (?<modifier>.*) )? + ]x + LOCALE_DIR = "/lc/" + + @@legacy_encoding_alias_map = {}.freeze + + def initialize(locale = nil) + @lang = @territory = @encoding_name = @modifier = nil + @locale = locale || ENV["IRB_LANG"] || ENV["LC_MESSAGES"] || ENV["LC_ALL"] || ENV["LANG"] || "C" + if m = LOCALE_NAME_RE.match(@locale) + @lang, @territory, @encoding_name, @modifier = m[:language], m[:territory], m[:codeset], m[:modifier] + + if @encoding_name + begin load 'irb/encoding_aliases.rb'; rescue LoadError; end + if @encoding = @@legacy_encoding_alias_map[@encoding_name] + warn "%s is obsolete. use %s" % ["#{@lang}_#{@territory}.#{@encoding_name}", "#{@lang}_#{@territory}.#{@encoding.name}"] + end + @encoding = Encoding.find(@encoding_name) rescue nil + end + end + @encoding ||= (Encoding.find('locale') rescue Encoding::ASCII_8BIT) + end + + attr_reader :lang, :territory, :encoding, :modifieer + + def String(mes) + mes = super(mes) + if @encoding + mes.encode(@encoding, undef: :replace) + else + mes + end + end + + def format(*opts) + String(super(*opts)) + end + + def gets(*rs) + String(super(*rs)) + end + + def readline(*rs) + String(super(*rs)) + end + + def print(*opts) + ary = opts.collect{|opt| String(opt)} + super(*ary) + end + + def printf(*opts) + s = format(*opts) + print s + end + + def puts(*opts) + ary = opts.collect{|opt| String(opt)} + super(*ary) + end + + def require(file, priv = nil) + rex = Regexp.new("lc/#{Regexp.quote(file)}\.(so|o|sl|rb)?") + return false if $".find{|f| f =~ rex} + + case file + when /\.rb$/ + begin + load(file, priv) + $".push file + return true + rescue LoadError + end + when /\.(so|o|sl)$/ + return super + end + + begin + load(f = file + ".rb") + $".push f #" + return true + rescue LoadError + return ruby_require(file) + end + end + + alias toplevel_load load + + def load(file, priv=nil) + found = find(file) + if found + return real_load(found, priv) + else + raise LoadError, "No such file to load -- #{file}" + end + end + + def find(file , paths = $:) + dir = File.dirname(file) + dir = "" if dir == "." + base = File.basename(file) + + if dir.start_with?('/') + return each_localized_path(dir, base).find{|full_path| File.readable? full_path} + else + return search_file(paths, dir, base) + end + end + + private + def real_load(path, priv) + src = MagicFile.open(path){|f| f.read} + if priv + eval("self", TOPLEVEL_BINDING).extend(Module.new {eval(src, nil, path)}) + else + eval(src, TOPLEVEL_BINDING, path) + end + end + + # @param paths load paths in which IRB find a localized file. + # @param dir directory + # @param file basename to be localized + # + # typically, for the parameters and a <path> in paths, it searches + # <path>/<dir>/<locale>/<file> + def search_file(lib_paths, dir, file) + each_localized_path(dir, file) do |lc_path| + lib_paths.each do |libpath| + full_path = File.join(libpath, lc_path) + return full_path if File.readable?(full_path) + end + redo if defined?(Gem) and Gem.try_activate(lc_path) + end + nil + end + + def each_localized_path(dir, file) + return enum_for(:each_localized_path) unless block_given? + each_sublocale do |lc| + yield lc.nil? ? File.join(dir, LOCALE_DIR, file) : File.join(dir, LOCALE_DIR, lc, file) + end + end + + def each_sublocale + if @lang + if @territory + if @encoding_name + yield "#{@lang}_#{@territory}.#{@encoding_name}@#{@modifier}" if @modifier + yield "#{@lang}_#{@territory}.#{@encoding_name}" + end + yield "#{@lang}_#{@territory}@#{@modifier}" if @modifier + yield "#{@lang}_#{@territory}" + end + if @encoding_name + yield "#{@lang}.#{@encoding_name}@#{@modifier}" if @modifier + yield "#{@lang}.#{@encoding_name}" + end + yield "#{@lang}@#{@modifier}" if @modifier + yield "#{@lang}" + end + yield nil + end + end +end |