attribute: selected_if, checked_if, selected_unless, checked_unless

<option value="1" selected_if="@cond">opt1</option>

becomes

<?r if @cond ?> 

  <option value="1" selected="selected">opt1</option>

<?r else ?> 

  <option value="1">opt1</option>

<?r end ?>

Methods
Public Class methods
key()

[ show source ]

    # File lib/raw/compiler/filter/morph/selected_if.rb, line 18
18:   def self.key
19:     "selected_if"
20:   end
Public Instance methods
after_start(buffer)

[ show source ]

    # File lib/raw/compiler/filter/morph/selected_if.rb, line 29
29:   def after_start(buffer)
30:     @start_index = buffer.length
31:   end
before_end(buffer)

[ show source ]

    # File lib/raw/compiler/filter/morph/selected_if.rb, line 33
33:   def before_end(buffer)
34:     @attributes.delete(@attr)
35:     @end_index = buffer.length
36:     buffer << Morphing.emit_end(@name)
37:     buffer << "<?r else ?>"
38:     buffer << Morphing.emit_start(@name, @attributes)
39:     buffer << buffer[@start_index...@end_index]
40:   end
before_start(buffer)

[ show source ]

    # File lib/raw/compiler/filter/morph/selected_if.rb, line 22
22:   def before_start(buffer)
23:     @attr, @cond = @key.split("_")
24:     @attributes.delete(@key)
25:     @attributes[@attr] = @attr
26:     buffer << "<?r #@cond #@value ?> "
27:   end