diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rwxr-xr-x | tool/redmine-backporter.rb | 93 |
2 files changed, 71 insertions, 27 deletions
@@ -1,3 +1,8 @@ +Tue Jan 27 15:58:23 2015 NAKAMURA Usaku <usa@ruby-lang.org> + + * tool/redmine-backporter.rb: added history feature for platforms which + lack readline. + Mon Jan 26 22:09:35 2015 SHIBATA Hiroshi <shibata.hiroshi@gmail.com> * .gitignore: ignored temporary file with git. diff --git a/tool/redmine-backporter.rb b/tool/redmine-backporter.rb index 64078c0348..13a9ec8851 100755 --- a/tool/redmine-backporter.rb +++ b/tool/redmine-backporter.rb @@ -200,35 +200,74 @@ def more(sio) end end -def Readline.readline(prompt = '') - console = IO.console - console.binmode - ly, lx = console.winsize - if /mswin|mingw/ =~ RUBY_PLATFORM or /^(?:vt\d\d\d|xterm)/i =~ ENV["TERM"] - cls = "\r\e[2K" - else - cls = "\r" << (" " * lx) +class << Readline + def readline(prompt = '') + console = IO.console + console.binmode + ly, lx = console.winsize + if /mswin|mingw/ =~ RUBY_PLATFORM or /^(?:vt\d\d\d|xterm)/i =~ ENV["TERM"] + cls = "\r\e[2K" + else + cls = "\r" << (" " * lx) + end + cls << "\r" << prompt + console.print prompt + console.flush + line = '' + while 1 + case c = console.getch + when "\r", "\n" + puts + HISTORY << line + return line + when "\C-?", "\b" # DEL/BS + print "\b \b" if line.chop! + when "\C-u" + print cls + line.clear + when "\C-d" + return nil if line.empty? + line << c + when "\C-p" + HISTORY.pos -= 1 + line = HISTORY.current + print cls + print line + when "\C-n" + HISTORY.pos += 1 + line = HISTORY.current + print cls + print line + else + print c + line << c + end + end end - cls << "\r" << prompt - console.print prompt - console.flush - line = '' - while 1 - case c = console.getch - when "\r", "\n" - puts - return line - when "\C-?", "\b" # DEL/BS - print "\b \b" if line.chop! - when "\C-u" - print cls - line.clear - when "\C-d" - return nil if line.empty? - line << c + + HISTORY = [] + def HISTORY.<<(val) + HISTORY.push(val) + @pos = self.size + self + end + def HISTORY.pos + @pos ||= 0 + end + def HISTORY.pos=(val) + @pos = val + if @pos < 0 + @pos = -1 + elsif @pos >= self.size + @pos = self.size + end + end + def HISTORY.current + @pos ||= 0 + if @pos < 0 || @pos >= self.size + '' else - print c - line << c + self[@pos] end end end unless defined?(Readline.readline) |