ERB::Compiler::TrimScanner ^(Class)

# File erb.rb, line 53
      def initialize(src, trim_mode, percent)
        super
        @trim_mode = trim_mode
        @percent = percent
        if @trim_mode == '>'
          @scan_line = self.method(:trim_line1)
        elsif @trim_mode == '<>'
          @scan_line = self.method(:trim_line2)
        elsif @trim_mode == '-'
          @scan_line = self.method(:explicit_trim_line)
        else
          @scan_line = self.method(:scan_line)
        end
      end

# File erb.rb, line 134
      def explicit_trim_line(line)
        line.split(ExplicitTrimRegexp).each do |token|
          next if token.empty?
          if @stag.nil? && /[ \t]*<%-/ =~ token
            yield('<%')
          elsif @stag && /-%>\n/ =~ token
            yield('%>')
            yield(:cr)
          elsif @stag && token == '-%>'
            yield('%>')
          else
            yield(token)
          end
        end
      end

# File erb.rb, line 151
      def is_erb_stag?(s)
        ERB_STAG.member?(s)
      end

# File erb.rb, line 83
      def percent_line(line, &block)
        if @stag || line[0] != ?%
          return @scan_line.call(line, &block)
        end

        line[0] = ''
        if line[0] == ?%
          @scan_line.call(line, &block)
        else
          yield(PercentLine.new(line.chomp))
        end
      end

# File erb.rb, line 69
      def scan(&block)
        @stag = nil
        if @percent
          @src.each do |line|
            percent_line(line, &block)
          end
        else
          @src.each do |line|
            @scan_line.call(line, &block)
          end
        end
        nil
      end

# File erb.rb, line 96
      def scan_line(line)
        line.split(SplitRegexp).each do |token|
          next if token.empty?
          yield(token)
        end
      end

# File erb.rb, line 103
      def trim_line1(line)
        line.split(TrimSplitRegexp).each do |token|
          next if token.empty?
          if token == "%>\n"
            yield('%>')
            yield(:cr)
            break
          end
          yield(token)
        end
      end

# File erb.rb, line 115
      def trim_line2(line)
        head = nil
        line.split(TrimSplitRegexp).each do |token|
          next if token.empty?
          head = token unless head
          if token == "%>\n"
            yield('%>')
            if  is_erb_stag?(head)
              yield(:cr)
            else
              yield("\n")
            end
            break
          end
          yield(token)
        end
      end