Class: Inversion::Template::EndTag

Inherits:
Tag
  • Object
show all
Defined in:
lib/inversion/template/endtag.rb

Overview

Closing tag class

Constant Summary

Constants inherited from Tag

Tag::TAG_PLUGIN_PATTERN

Instance Attribute Summary collapse

Attributes inherited from Tag

#body

Attributes inherited from Node

#colnum, #linenum

Instance Method Summary collapse

Methods inherited from Tag

create, #derivatives, inherited, load, load_all, #tagname, types, #types

Methods included from MethodUtilities

#singleton_attr_accessor, #singleton_attr_reader, #singleton_attr_writer

Methods included from AbstractClass

included

Methods included from AbstractClass::ClassMethods

#inherited, #pure_virtual

Methods inherited from Node

#after_appending, #after_rendering, #before_rendering, #is_container?, #location, #render

Constructor Details

#initialize(body = '', linenum = nil, colnum = nil) ⇒ EndTag

Overridden to provide a default body.



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# File 'lib/inversion/template/endtag.rb', line 12

def initialize( body='', linenum=nil, colnum=nil )
	super
	@opener = nil
end

Instance Attribute Details

#opener ⇒ Object (readonly)

The ContainerTag that this end tag closes



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# File 'lib/inversion/template/endtag.rb', line 23

def opener
  @opener
end

Instance Method Details

#as_comment_body ⇒ Object

Render the tag as the body of a comment, suitable for template debugging.



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# File 'lib/inversion/template/endtag.rb', line 48

def as_comment_body
	return "End of %s" % [ self.opener.as_comment_body ]
end

#before_appending(state) ⇒ Object

Parser callback – close the given state‘s currently-open container node.



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# File 'lib/inversion/template/endtag.rb', line 27

def before_appending( state )
	@opener = state.pop
	self.log.debug "End tag for %s at %s" % [ @opener.tagname, @opener.location ]

	# If the end tag has a body, it should match the container that's just
	# been popped.
	if self.body &&
		!self.body.empty? &&
		self.body.downcase != @opener.tagname.downcase

		raise Inversion::ParseError, "unbalanced end: expected %p, got %p" % [
			@opener.tagname.downcase,
			self.body.downcase,
		]
	end

	super
end