Class: Liquid::Capture

Inherits:
Block show all
Defined in:
lib/liquid/tags/capture.rb

Overview

Capture stores the result of a block into a variable without rendering it inplace.

{% capture heading %}
  Monkeys!
{% endcapture %}
...
<h1>{{ heading }}</h1>

Capture is useful for saving content for use later in your template, such as in a sidebar or footer.

Constant Summary

Syntax = 
/(\w+)/

Constants inherited from Block

Block::ContentOfVariable, Block::FullToken, Block::IsTag, Block::IsVariable

Instance Attribute Summary

Attributes inherited from Tag

#nodelist

Instance Method Summary (collapse)

Methods inherited from Block

#block_delimiter, #block_name, #create_variable, #end_tag, #parse, #unknown_tag

Methods inherited from Tag

#name, #parse

Constructor Details

- (Capture) initialize(tag_name, markup, tokens)

A new instance of Capture



17
18
19
20
21
22
23
24
25
 
# File 'lib/liquid/tags/capture.rb', line 17

def initialize(tag_name, markup, tokens)
  if markup =~ Syntax
    @to = $1
  else
    raise SyntaxError.new("Syntax Error in 'capture' - Valid syntax: capture [var]")
  end

  super
end

Instance Method Details

- (Object) render(context) 



27
28
29
30
31
 
# File 'lib/liquid/tags/capture.rb', line 27

def render(context)
  output = super
  context.scopes.last[@to] = output
  ''
end