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[reline] Do not escape and compile regexp for each byte

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Nobuyoshi Nakada 2019-07-28 09:43:26 +09:00
parent bce348204f
commit a6e32855d0
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1 changed files with 7 additions and 3 deletions
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10
lib/reline/line_editor.rb
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@ -808,6 +808,8 @@ class Reline::LineEditor
rest = nil
break_pointer = nil
quote = nil
closing_quote = nil
escaped_quote = nil
i = 0
while i < @byte_pointer do
slice = @line.byteslice(i, @byte_pointer - i)
@ -815,14 +817,16 @@ class Reline::LineEditor
i += 1
next
end
if quote and slice.start_with?(/(?!\\)#{Regexp.escape(quote)}/) # closing "
if quote and slice.start_with?(closing_quote)
quote = nil
i += 1
elsif quote and slice.start_with?(/\\#{Regexp.escape(quote)}/) # escaped \"
elsif quote and slice.start_with?(escaped_quote)
# skip
i += 2
elsif slice =~ quote_characters_regexp # find new "
quote = $&
quote = $~
closing_quote = /(?!\\)#{Regexp.escape(quote)}/
escaped_quote = /\\#{Regexp.escape(quote)}/
i += 1
elsif not quote and slice =~ word_break_regexp
rest = $'