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lib/pp.rb (PP.pp): Use io/console's winsize by default

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[Feature #12913]
This commit is contained in:
Yusuke Endoh 2021-11-30 11:42:06 +09:00
parent f379748e80
commit eac347fdb0
1 changed files with 10 additions and 1 deletions
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11
lib/pp.rb
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@ -61,6 +61,15 @@ require 'prettyprint'
# Tanaka Akira <akr@fsij.org> # Tanaka Akira <akr@fsij.org>
class PP < PrettyPrint class PP < PrettyPrint
def PP.width_for(out)
begin
require 'io/console'
_, width = out.winsize
rescue LoadError, NoMethodError, Errno::ENOTTY
end
(width || ENV['COLUMNS']&.to_i&.nonzero? || 80) - 1
end
# Outputs +obj+ to +out+ in pretty printed format of # Outputs +obj+ to +out+ in pretty printed format of
# +width+ columns in width. # +width+ columns in width.
# #
@ -68,7 +77,7 @@ class PP < PrettyPrint
# If +width+ is omitted, 79 is assumed. # If +width+ is omitted, 79 is assumed.
# #
# PP.pp returns +out+. # PP.pp returns +out+.
def PP.pp(obj, out=$>, width=79) def PP.pp(obj, out=$>, width=width_for(out))
q = PP.new(out, width) q = PP.new(out, width)
q.guard_inspect_key {q.pp obj} q.guard_inspect_key {q.pp obj}
q.flush q.flush