>>461 Ruby
文字数とバイト数を適当に出力
require "cgi"
require "cgi"
str = CGI.unescapeHTML( "あaθ💀xΩ死🄫" )
sbs = str.bytes
i = n = 0
while i < sbs.size
case sbs[i] >> 4
when 0..7; i += 1
when 8..11; warn "Error"
when 12,13; i += 2
when 14; i += 3
when 15
case sbs[i] & 0xF
when 0..7; i += 4
when 8..11; i += 5
when 12,13; i += 6
else warn "Error"
end
end
n += 1
end
puts "#{n} chars\n#{str.size} chars"
puts "#{str.force_encoding( Encoding::BINARY ).size} bytes\n#{sbs.size} bytes"
puts str.bytes.map{|x| '%02X' % x }.join(' ')
#=>
8 chars
8 chars
20 bytes