Class: Liquid::Include

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

Constant Summary collapse

Syntax = 
/(#{QuotedFragment}+)(\s+(?:with|for)\s+(#{QuotedFragment}+))?/

Instance Attribute Summary

Attributes inherited from Tag

#nodelist

Instance Method Summary collapse

Methods inherited from Tag

#name

Constructor Details

#initialize(tag_name, markup, tokens) ⇒ Include

Returns a new instance of Include.



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# File 'lib/liquid/tags/include.rb', line 5

def initialize(tag_name, markup, tokens)      
  if markup =~ Syntax

    @template_name = $1        
    @variable_name = $3
    @attributes    = {}

    markup.scan(TagAttributes) do |key, value|
      @attributes[key] = value
    end

  else
    raise SyntaxError.new("Error in tag 'include' - Valid syntax: include '[template]' (with|for) [object|collection]")
  end

  super
end

Instance Method Details

#parse(tokens) ⇒ Object 



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# File 'lib/liquid/tags/include.rb', line 23

def parse(tokens)      
end

#render(context) ⇒ Object 



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

def render(context)      
  file_system = context.registers[:file_system] || Liquid::Template.file_system
  source  = file_system.read_template_file(context[@template_name])      
  partial = Liquid::Template.parse(source)      
  
  variable = context[@variable_name || @template_name[1..-2]]
  
  context.stack do
    @attributes.each do |key, value|
      context[key] = context[value]
    end

    if variable.is_a?(Array)
      
      variable.collect do |variable|            
        context[@template_name[1..-2]] = variable
        partial.render(context)
      end

    else
                
      context[@template_name[1..-2]] = variable
      partial.render(context)
      
    end
  end
end