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* lib/irb/init.rb (IRB.opt_parse): (M17N) adds -U and -E as command

Browse source 
line options. [ruby-dev:37161]. Fixes #711.
  improved long optinos.

* lib/irb/init.rb (IRB.set_encoding): new subroutine for IRB.opt_parse

* lib/irb/input-method.rb (IRB::StdioInputMethod): (M17N) regards
  scripts that user types as encoded in the external_encoding.

* lib/irb/input-method.rb (IRB::ReadlineInputMethod): ditto.

* lib/irb/input-method.rb (IRB::FileInputMethod): (M17N) respects
  magic comment.

* lib/irb/help.rb (IRB.print_usage): (M17N) respects magic comment
  in the resource file.

* lib/irb/lc/help-message: adds -U and -E.

* lib/irb/lc/ja/help-message: ditto. re-encoded from ISO-2022-JP into UTF-8.

* lib/irb/lc/ja/encoding_aliases.rb: new file. provides Japanese specific
  character encoding name table for backward compatibility.

* lib/irb/lc/ja/error.rb: re-eoncoded from ISO-2022-JP into UTF-8.
  magic comment.

* lib/irb/locale.rb: integrated with Ruby 1.9's M17N support.

* lib/irb/magic-file.rb: new file. utility to handle files with magic
  comment and opens in the correct encoding.

* lib/irb/ruby-lex.rb (RubyLex#each_top_level_statement): recovers
  character encoding for a statement after it lexed so that irb can
  eval the statement in correct encoding.

* lib/irb/src_encoding.rb: new file. utility.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20862 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
yugui 2008-12-18 13:09:26 +00:00
parent 52d481d8de
commit 5c1bd53c92
12 changed files with 271 additions and 107 deletions
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36
lib/irb/magic-file.rb Normal file
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module IRB
class << (MagicFile = Object.new)
# see parser_magic_comment in parse.y
ENCODING_SPEC_RE = %r"coding\s*[=:]\s*([[:alnum:]\-_]+)"
def open(path)
io = File.open(path, 'rb')
line = io.gets
line = io.gets if line[0,2] == "#!"
encoding = detect_encoding(line)
encoding ||= default_src_encoding
io.rewind
io.set_encoding(encoding, nil)
if block_given?
begin
return (yield io)
ensure
io.close
end
else
return io
end
end
private
def detect_encoding(line)
return unless line[0] == ?#
line = line[1..-1]
line = $1 if line[/-\*-\s*(.*?)\s*-*-$/]
return nil unless ENCODING_SPEC_RE =~ line
encoding = $1
return encoding.sub(/-(?:mac|dos|unix)/i, '')
end
end
end