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Use IO#getch to read one char in raw mode #54

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merged 3 commits into from
Sep 9, 2019
Merged

Use IO#getch to read one char in raw mode #54

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8670d33
Use IO#getch to read one char in raw mode
nobu Sep 8, 2019
c09ba0d
Use IO#getbyte
nobu Sep 8, 2019
7a82c74
Support multibyte input
nobu Sep 8, 2019
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12 changes: 4 additions & 8 deletions lib/reline/ansi.rb
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Original file line number Diff line number Diff line change
@@ -1,3 +1,5 @@
require 'io/console'

class Reline::ANSI
RAW_KEYSTROKE_CONFIG = {
[27, 91, 65] => :ed_prev_history, # ↑
Expand All @@ -24,14 +26,8 @@ def self.getc
unless @@buf.empty?
return @@buf.shift
end
c = nil
loop do
result = select([@@input], [], [], 0.1)
next if result.nil?
c = @@input.read(1)
break
end
c&.ord
c = @@input.raw(&:getbyte)
(c == 0x16 && @@input.raw(min: 0, tim: 0, &:getbyte)) || c
end

def self.ungetc(c)
Expand Down