Module: Arrow::Template::ConditionalDirective

Included in:
ElsifDirective, IfDirective, UnlessDirective
Defined in:
lib/arrow/template/nodes.rb

Overview

Mixin which adds the notion of boolean evaluability to a directive.

Constant Summary

SVNRev =

SVN Revision 

%q$Rev$
SVNId =

SVN Id 

%q$Id$

Instance Method Summary

Instance Method Details

- (Object) evaluate(template, scope)

Returns true if this Directive, in the context of the given template (an Arrow::Template) and scope (a Binding object), should be considered “true”. 



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# File 'lib/arrow/template/nodes.rb', line 722

def evaluate( template, scope )
  rval = self.call_methodchain( template, scope )

  #self.log.debug "Methodchain evaluated to %s: %p" %
  #  [ rval ? "true" : "false", rval ]
  return rval ? true : false
end

- (Boolean) is_rendering_node?

Returns true for nodes which generate output themselves (as opposed to ones which generate output through subnodes). This is used for eliding blank lines from the node tree.

Returns:

  • (Boolean) 


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# File 'lib/arrow/template/nodes.rb', line 714

def is_rendering_node?
  false
end