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Ruby 1.8 compatibility
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parent
0d83cae2ec
commit
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35
fzf
35
fzf
@ -701,6 +701,20 @@ class FZF
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update_list false
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end
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def num_unicode_bytes chr
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# http://en.wikipedia.org/wiki/UTF-8
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if chr & 0b10000000 > 0
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bytes = 0
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7.downto(2) do |shift|
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break if (chr >> shift) & 0x1 == 0
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bytes += 1
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end
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bytes
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else
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1
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end
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end
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def start_loop
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got = nil
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begin
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@ -797,24 +811,21 @@ class FZF
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ch2
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end
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when Fixnum
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bytes = 1
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if (ch >> 7) == 1
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6.downto(2) do |shift|
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if (ch >> shift) & 0x1 == 0
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break
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end
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bytes += 1
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end
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end
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if bytes > 1
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# Ruby 1.8
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if (ch.chr rescue nil) && ch.chr =~ /[[:print:]]/
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ch = ch.chr
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else
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chs = [ch]
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(bytes - 1).times do
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(num_unicode_bytes(ch) - 1).times do |i|
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chs << C.getch
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end
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# TODO: ruby 1.8
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# UTF-8 TODO Ruby 1.8
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if chs.length > 1
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ch = chs.pack('C*').force_encoding('UTF-8')
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end
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end
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end
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upd = actions.fetch(ch, proc { |chr|
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if chr =~ /[[:print:]]/
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