Class: Ace::TemplateFilter

Inherits:
Filter
  • Object
show all
Defined in:
lib/ace/filters/template.rb

Direct Known Subclasses

LayoutFilter

Defined Under Namespace

Classes: Scope

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = Hash.new) ⇒ TemplateFilter

Returns a new instance of TemplateFilter.



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# File 'lib/ace/filters/template.rb', line 18

def initialize(options = Hash.new)
  @layout = options[:layout] if options.has_key?(:layout)
end

Class Method Details

.add_to_paths(directory) ⇒ Object 



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# File 'lib/ace/filters/template.rb', line 12

def self.add_to_paths(directory)
  unless TemplateInheritance::Template.paths.include?(directory)
    TemplateInheritance::Template.paths.unshift(directory)
  end
end

Instance Method Details

#call(item, content) ⇒ Object 



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# File 'lib/ace/filters/template.rb', line 22

def call(item, content)
  path = @layout || item.original_path.sub(/content\//, "") # We remove content/, because content is in TI paths.
  if path.nil?
    raise <<-EOF.gsub(/ {10}/m, "")
      You have to specify output_path of #{self.inspect}

      Usage:

      class Post < Ace::Item
        before Ace::TemplateFilter, layout: "posts.html"
      end

      # OR:

      class Post < Ace::Item
        before Ace::TemplateFilter

        # And have #original_path set up (Ace does it by default,
        # but if you are using some custom code it might not work
        # out of the box).
      end
    EOF
  end

  parts = item.output_path.split(".")
  if parts.length == 2 # template.haml
    item.output_path = "#{parts[0]}.html"
  elsif parts.length == 3 # template.html.haml or template.xml.haml
    item.output_path = "#{parts[0]}.#{parts[1]}"
  else
    raise "Template can be named either with one suffix as template.haml or with two of them as template.html.haml resp. template.xml.haml."
  end

  template = TemplateInheritance::Template.new(path, Scope.new)
  return template.render(item: item)
end