kotovalexarian-likes-github/rails--rails
1
0
Fork 0
mirror of https://github.com/rails/rails.git synced 2022-11-09 12:12:34 -05:00
Code Releases Activity

Merge pull request #2052 from amatsuda/fullwidth_blank

Browse source 
treat fullwidth whitespace as a blank character
This commit is contained in:
Aaron Patterson 2011-07-13 19:04:28 -07:00
commit 003c6516dc
2 changed files with 6 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
activesupport/lib/active_support/core_ext/object/blank.rb
View file

@ -86,14 +86,18 @@ class Hash
end
class String
# 0x3000: fullwidth whitespace
NON_WHITESPACE_REGEXP = %r![^\s#{[0x3000].pack("U")}]!
# A string is blank if it's empty or contains whitespaces only:
#
# "".blank? # => true
# " ".blank? # => true
# "　".blank? # => true
# " something here ".blank? # => false
#
def blank?
self !~ /\S/
self !~ NON_WHITESPACE_REGEXP
end
end

2
activesupport/test/core_ext/blank_test.rb
View file

@ -2,7 +2,7 @@ require 'abstract_unit'
require 'active_support/core_ext/object/blank'
class BlankTest < Test::Unit::TestCase
BLANK = [ EmptyTrue.new, nil, false, '', ' ', " \n\t \r ", [], {} ]
BLANK = [ EmptyTrue.new, nil, false, '', ' ', " \n\t \r ", '　', [], {} ]
NOT = [ EmptyFalse.new, Object.new, true, 0, 1, 'a', [nil], { nil => 0 } ]
def test_blank