mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
81b604fb00
1. `require` can mislead Ruby to load system irb's files and cause constant redefined warnings as other code loads the same module/class from lib folder. 2. Most files already use `require_relative`. https://github.com/ruby/irb/commit/848d339f2e
47 lines
1,000 B
Ruby
47 lines
1,000 B
Ruby
# frozen_string_literal: true
|
|
require 'pp'
|
|
require_relative 'color'
|
|
|
|
module IRB
|
|
class ColorPrinter < ::PP
|
|
class << self
|
|
def pp(obj, out = $>, width = screen_width)
|
|
q = ColorPrinter.new(out, width)
|
|
q.guard_inspect_key {q.pp obj}
|
|
q.flush
|
|
out << "\n"
|
|
end
|
|
|
|
private
|
|
|
|
def screen_width
|
|
Reline.get_screen_size.last
|
|
rescue Errno::EINVAL # in `winsize': Invalid argument - <STDIN>
|
|
79
|
|
end
|
|
end
|
|
|
|
def pp(obj)
|
|
if obj.is_a?(String)
|
|
# Avoid calling Ruby 2.4+ String#pretty_print that splits a string by "\n"
|
|
text(obj.inspect)
|
|
else
|
|
super
|
|
end
|
|
end
|
|
|
|
def text(str, width = nil)
|
|
unless str.is_a?(String)
|
|
str = str.inspect
|
|
end
|
|
width ||= str.length
|
|
|
|
case str
|
|
when /\A#</, '=', '>'
|
|
super(Color.colorize(str, [:GREEN]), width)
|
|
else
|
|
super(Color.colorize_code(str, ignore_error: true), width)
|
|
end
|
|
end
|
|
end
|
|
end
|