Class: Locomotive::Steam::Liquid::Tags::FetchPage

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

Overview

Fetch a page from its handle and assign it to a liquid variable.

Usage:

fetch_page about_us as a_page % <p>a_page.title }</p>

Constant Summary collapse

Syntax = 
/(#{::Liquid::VariableSignature}+)\s+as\s+(#{::Liquid::VariableSignature}+)/o

Instance Method Summary collapse

Constructor Details

#initialize(tag_name, markup, options) ⇒ FetchPage

Returns a new instance of FetchPage.



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# File 'lib/locomotive/steam/liquid/tags/fetch_page.rb', line 17

def initialize(tag_name, markup, options)
  if markup =~ Syntax
    @handle, @var = $1, $2
  else
    raise SyntaxError.new("Syntax Error in 'fetch_page' - Valid syntax: fetch_page page_handle as variable")
  end

  super
end

Instance Method Details

#render(context) ⇒ Object 



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# File 'lib/locomotive/steam/liquid/tags/fetch_page.rb', line 27

def render(context)
  page = context.registers[:repositories].page.by_handle(@handle)
  context.scopes.last[@var] = page
  ''
end