Class: Arrow::Template::SetDirective

Inherits:
Directive show all
Defined in:
lib/arrow/template/set.rb

Overview

The Arrow::Template::SetDirective class, a derivative of Arrow::Template::Directive. This is the class which defines the behaviour of the ‘set’ template directive.

Syntax

<?set foo 1?>

Authors

Please see the file LICENSE in the top-level directory for licensing details.

Constant Summary collapse

SVNRev =

SVN Revision

%q$Rev$
SVNId =

SVN Id

%q$Id$

Constants included from HTMLUtilities

HTMLUtilities::ARRAY_HTML_CONTAINER, HTMLUtilities::HASH_HTML_CONTAINER, HTMLUtilities::HASH_PAIR_HTML, HTMLUtilities::IMMEDIATE_OBJECT_HTML_CONTAINER, HTMLUtilities::IVAR_HTML_FRAGMENT, HTMLUtilities::OBJECT_HTML_CONTAINER, HTMLUtilities::THREAD_DUMP_KEY

Instance Attribute Summary collapse

Attributes inherited from Node

#type

Instance Method Summary collapse

Methods inherited from Directive

create, derivativeDirs, #inspect, #to_html

Methods inherited from Node

#add_to_template, #inspect, #is_rendering_node?, #to_a, #to_html, #to_s

Methods included from HTMLUtilities

escape_html, make_html_for_object, make_object_html_wrapper

Methods inherited from Object

deprecate_class_method, deprecate_method, inherited

Constructor Details

#initialize(type, parser, state) ⇒ SetDirective

Create and return a new Arrow::Template::SetDirective object.



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# File 'lib/arrow/template/set.rb', line 29

def initialize( type, parser, state )
	@name = nil
	@value = nil

	super
end

Instance Attribute Details

#name ⇒ Object (readonly)

The name of the definition set by this directive.



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# File 'lib/arrow/template/set.rb', line 42

def name
  @name
end

#value ⇒ Object (readonly)

The raw (unevaluated) value of the definition



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# File 'lib/arrow/template/set.rb', line 45

def value
  @value
end

Instance Method Details

#render(template, scope) ⇒ Object

Render the directive. This adds the defined variable to the template‘s rendering scope and returns an empty string (or a comment if :debuggingComments is turned on in the template.



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# File 'lib/arrow/template/set.rb', line 51

def render( template, scope )
	rval = super

	self.log.debug "Evaling <%s> for 'set' directive." % @value
	template[@name] = eval( @value, scope.get_binding, __FILE__, __LINE__ )

	if template._config[:debuggingComments]
		rval << template.render_comment( "Set '%s' to '%s'" %
			[ @name, template[@name] ] )
	end

	return rval
end