Class: H2o::Tags::Extends

Inherits:
Tag show all
Defined in:
lib/h2o/tags/extends.rb

Constant Summary collapse

Syntax = 
/\"(.*?)\"|\'(.*?)\'/

Instance Method Summary collapse

Constructor Details

#initialize(parser, argstring) ⇒ Extends

Returns a new instance of Extends.



6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
# File 'lib/h2o/tags/extends.rb', line 6

def initialize parser, argstring
  unless parser.first? 
    raise SyntaxError, "extend tag needs to be at the beginning of the document"
  end
  # parser the entire subtemplate
  parser.parse()

  # load the parent template into nodelist
  @nodelist = Template.load(argstring[1...-1], parser.env)
  
  blocks = @nodelist.parser.storage[:blocks] || {}
  
  (parser.storage[:blocks] || []).each do |name, block|
    if blocks.include? name
      blocks[name].add_layer(block)
      block.parent =  blocks[name]
    end
  end
end

Instance Method Details

#render(context, stream) ⇒ Object 



26
27
28
 
# File 'lib/h2o/tags/extends.rb', line 26

def render context, stream
 @nodelist.render(context, stream)
end