D7net
Home
Console
Upload
information
Create File
Create Folder
About
Tools
:
/
proc
/
self
/
root
/
opt
/
alt
/
ruby19
/
lib64
/
ruby
/
1.9.1
/
irb
/
Filename :
input-method.rb
back
Copy
# # irb/input-method.rb - input methods used irb # $Release Version: 0.9.6$ # $Revision: 25189 $ # by Keiju ISHITSUKA(keiju@ruby-lang.org) # # -- # # # require 'irb/src_encoding' require 'irb/magic-file' module IRB # # InputMethod # StdioInputMethod # FileInputMethod # (ReadlineInputMethod) # STDIN_FILE_NAME = "(line)" class InputMethod @RCS_ID='-$Id: input-method.rb 25189 2009-10-02 12:04:37Z akr $-' def initialize(file = STDIN_FILE_NAME) @file_name = file end attr_reader :file_name attr_accessor :prompt def gets IRB.fail NotImplementedError, "gets" end public :gets def readable_atfer_eof? false end end class StdioInputMethod < InputMethod def initialize super @line_no = 0 @line = [] @stdin = IO.open(STDIN.to_i, :external_encoding => IRB.conf[:LC_MESSAGES].encoding, :internal_encoding => "-") @stdout = IO.open(STDOUT.to_i, 'w', :external_encoding => IRB.conf[:LC_MESSAGES].encoding, :internal_encoding => "-") end def gets print @prompt line = @stdin.gets @line[@line_no += 1] = line end def eof? @stdin.eof? end def readable_atfer_eof? true end def line(line_no) @line[line_no] end def encoding @stdin.external_encoding end end class FileInputMethod < InputMethod def initialize(file) super @io = IRB::MagicFile.open(file) end attr_reader :file_name def eof? @io.eof? end def gets print @prompt l = @io.gets # print @prompt, l l end def encoding @io.external_encoding end end begin require "readline" class ReadlineInputMethod < InputMethod include Readline def initialize super @line_no = 0 @line = [] @eof = false @stdin = IO.open(STDIN.to_i, :external_encoding => IRB.conf[:LC_MESSAGES].encoding, :internal_encoding => "-") @stdout = IO.open(STDOUT.to_i, 'w', :external_encoding => IRB.conf[:LC_MESSAGES].encoding, :internal_encoding => "-") end def gets Readline.input = @stdin Readline.output = @stdout if l = readline(@prompt, false) HISTORY.push(l) if !l.empty? @line[@line_no += 1] = l + "\n" else @eof = true l end end def eof? @eof end def readable_atfer_eof? true end def line(line_no) @line[line_no] end def encoding @stdin.external_encoding end end rescue LoadError end end