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Just use Ruby's String#[]=
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2 changed files with 0 additions and 46 deletions
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@ -80,47 +80,6 @@ module ActiveSupport #:nodoc:
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@wrapped_string.split(*args).map { |i| i.mb_chars }
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end
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# Like <tt>String#[]=</tt>, except instead of byte offsets you specify character offsets.
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#
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# Example:
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#
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# s = "Müller"
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# s.mb_chars[2] = "e" # Replace character with offset 2
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# s
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# # => "Müeler"
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#
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# s = "Müller"
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# s.mb_chars[1, 2] = "ö" # Replace 2 characters at character offset 1
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# s
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# # => "Möler"
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def []=(*args)
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replace_by = args.pop
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# Indexed replace with regular expressions already works
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if args.first.is_a?(Regexp)
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@wrapped_string[*args] = replace_by
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else
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result = Unicode.u_unpack(@wrapped_string)
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case args.first
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when Fixnum
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raise IndexError, "index #{args[0]} out of string" if args[0] >= result.length
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min = args[0]
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max = args[1].nil? ? min : (min + args[1] - 1)
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range = Range.new(min, max)
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replace_by = [replace_by].pack('U') if replace_by.is_a?(Fixnum)
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when Range
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raise RangeError, "#{args[0]} out of range" if args[0].min >= result.length
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range = args[0]
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else
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needle = args[0].to_s
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min = index(needle)
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max = min + Unicode.u_unpack(needle).length - 1
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range = Range.new(min, max)
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end
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result[range] = Unicode.u_unpack(replace_by)
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@wrapped_string.replace(result.pack('U*'))
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end
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end
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def slice!(*args)
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chars(@wrapped_string.slice!(*args))
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end
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@ -117,11 +117,6 @@ class MultibyteCharsUTF8BehaviourTest < Test::Unit::TestCase
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end
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end
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def test_indexed_insert_accepts_fixnums
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@chars[2] = 32
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assert_equal 'こに わ', @chars
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end
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%w{capitalize downcase lstrip reverse rstrip upcase}.each do |method|
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class_eval(<<-EOTESTS)
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def test_#{method}_bang_should_return_self_when_modifying_wrapped_string
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