Class: Liquid::Assign

Inherits:
Tag
  • Object
show all
Defined in:
lib/liquid/tags/assign.rb

Overview

Assign sets a variable in your template.

{% assign foo = 'monkey' %}

You can then use the variable later in the page.

{{ foo }}

Constant Summary collapse

Syntax = 
/(#{VariableSignature}+)\s*=\s*(.*)\s*/o

Instance Attribute Summary

Attributes inherited from Tag

#line, #nodelist, #options, #warnings

Instance Method Summary collapse

Methods inherited from Tag

#blank?, #name, new_with_options, #parse, #parse_with_selected_parser

Constructor Details

#initialize(tag_name, markup, tokens, options) ⇒ Assign

Returns a new instance of Assign.



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# File 'lib/liquid/tags/assign.rb', line 15

def initialize(tag_name, markup, tokens, options)
  if markup =~ Syntax
    @to = $1
    @from = Variable.new($2)
  else
    raise SyntaxError.new options[:locale].t("errors.syntax.assign")
  end

  super
end

Instance Method Details

#render(context) ⇒ Object 



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# File 'lib/liquid/tags/assign.rb', line 26

def render(context)
  val = @from.render(context)
  context.scopes.last[@to] = val
  context.resource_limits[:assign_score_current] += (val.respond_to?(:length) ? val.length : 1)
  ''
end