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Use io/console to get console size when possible

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Mon ouïe 2012-04-13 10:21:20 +02:00
parent 74d3d0da48
commit e4d1169afa
1 changed files with 12 additions and 1 deletions
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13
lib/pry/indent.rb
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@ -1,6 +1,14 @@
require 'coderay'
class Pry
begin
require 'io/console'
rescue LoadError
IO_CONSOLE_AVAILABLE = false
else
IO_CONSOLE_AVAILABLE = true
end
##
# Pry::Indent is a class that can be used to indent a number of lines
# containing Ruby code similar as to how IRB does it (but better). The class
@ -194,7 +202,10 @@ class Pry
# @return [String]
def correct_indentation(prompt, code, overhang=0)
full_line = prompt + code
if Readline.respond_to?(:get_screen_size)
if IO_CONSOLE_AVAILABLE && $stdout.tty?
_, cols = $stdout.winsize
lines = full_line.length / cols + 1
elsif Readline.respond_to?(:get_screen_size)
_, cols = Readline.get_screen_size
lines = full_line.length / cols + 1
elsif ENV['COLUMNS'] && ENV['COLUMNS'] != ''