Class: ERB::Compiler::TrimScanner

Inherits:
Scanner
  • Object
show all
Defined in:
lib/erb_safe_ext.rb

Instance Method Summary collapse

Instance Method Details

#explicit_trim_line(line) ⇒ Object 



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# File 'lib/erb_safe_ext.rb', line 116

def explicit_trim_line(line)
  line.scan(/(.*?)(^[ \t]*<%\-|<%\-|<%%|%%>|<%~|<%=|<%#|<%|-%>\n|-%>|%>|\z)/m) do |tokens|
    tokens.each do |token|
      next if token.empty?
      if @stag.nil? && /[ \t]*<%-/ =~ token
        yield('<%')
      elsif @stag && token == "-%>\n"
        yield('%>')
        yield(:cr)
      elsif @stag && token == '-%>'
        yield('%>')
      else
        yield(token)
      end
    end
  end
end

#is_erb_stag?(s) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/erb_safe_ext.rb', line 134

def is_erb_stag?(s)
  ERB_STAG.member?(s)
end

#scan_line(line) ⇒ Object 



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# File 'lib/erb_safe_ext.rb', line 74

def scan_line(line)
  line.scan(/(.*?)(<%%|%%>|<%~|<%=|<%#|<%|%>|\n|\z)/m) do |tokens|
    tokens.each do |token|
      next if token.empty?
      yield(token)
    end
  end
end

#trim_line1(line) ⇒ Object 



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# File 'lib/erb_safe_ext.rb', line 82

def trim_line1(line)
  line.scan(/(.*?)(<%%|%%>|<%~|<%=|<%#|<%|%>\n|%>|\n|\z)/m) do |tokens|
    tokens.each do |token|
      next if token.empty?
      if token == "%>\n"
        yield('%>')
        yield(:cr)
      else
        yield(token)
      end
    end
  end
end

#trim_line2(line) ⇒ Object 



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# File 'lib/erb_safe_ext.rb', line 95

def trim_line2(line)
  head = nil
  line.scan(/(.*?)(<%%|%%>|<%~|<%=|<%#|<%|%>\n|%>|\n|\z)/m) do |tokens|
    tokens.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
        head = nil
      else
        yield(token)
        head = nil if token == "\n"
      end
    end
  end
end