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scan(pattern, cons=false) public

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# File lib/rexml/source.rb, line 167
    def scan(pattern, cons=false)
      rv = super
      # You'll notice that this next section is very similar to the same
      # section in match(), but just a liiittle different.  This is
      # because it is a touch faster to do it this way with scan()
      # than the way match() does it; enough faster to warrent duplicating
      # some code
      if rv.size == 0
        until @buffer =~ pattern or @source.nil?
          begin
            # READLINE OPT
            #str = @source.read(@block_size)
            str = @source.readline(@line_break)
            str = decode(str) if @to_utf and str
            @buffer << str
          rescue Iconv::IllegalSequence
            raise
          rescue
            @source = nil
          end
        end
        rv = super
      end
      rv.taint
      rv
    end
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