Class: Locomotive::Liquid::Tags::SessionAssign

Inherits:
Liquid::Tag
  • Object
show all
Defined in:
lib/locomotive/liquid/tags/session_assign.rb

Overview

Assign sets a variable in your session.

{% session_assign foo = 'monkey' %}

You can then use the variable later in the page.

{{ session.foo }}

Constant Summary collapse

Syntax = 
/(#{::Liquid::VariableSignature}+)\s*=\s*(#{::Liquid::QuotedFragment}+)/

Instance Method Summary collapse

Constructor Details

#initialize(tag_name, markup, tokens, context) ⇒ SessionAssign

Returns a new instance of SessionAssign.



16
17
18
19
20
21
22
23
24
25
 
# File 'lib/locomotive/liquid/tags/session_assign.rb', line 16

def initialize(tag_name, markup, tokens, context)
  if markup =~ Syntax
    @to = $1
    @from = $2
  else
    raise ::Liquid::SyntaxError.new("Syntax Error in 'session_assign' - Valid syntax: assign [var] = [source]")
  end

  super
end

Instance Method Details

#render(context) ⇒ Object 



27
28
29
30
31
32
 
# File 'lib/locomotive/liquid/tags/session_assign.rb', line 27

def render(context)
  controller = context.registers[:controller]

  controller.session[@to.to_sym] = context[@from]
  ''
end