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Add and use Reline::Unicode.escape_for_print

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This commit is contained in:
Takashi Kokubun 2019-05-25 06:52:10 -07:00
parent e691b4da5d
commit e2db9f4cc3
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4 changed files with 25 additions and 7 deletions
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11
lib/reline/unicode.rb
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@ -55,6 +55,17 @@ class Reline::Unicode
end
end
def self.escape_for_print(str)
str.chars.map! { |gr|
escaped = EscapedPairs[gr.ord]
if escaped && gr != "\n"
escaped
else
gr
end
}.join
end
def self.get_mbchar_width(mbchar)
case mbchar.encode(Encoding::UTF_8)
when *EscapedChars # ^ + char, such as ^M, ^H, ^[, ...