Inversion 'unless' tag.
This tag causes a section of the template to be rendered only if its methodchain or attribute is a false value.
<?unless attr ?>...<?end?> <?unless obj.method ?>...<?end?>
Render the tag's contents if the condition is true, or any else or elsif sections if the condition isn't true.
# File lib/inversion/template/unlesstag.rb, line 28 def render( state ) # Start out with rendering *disabled* if the tag body evaluates trueishly if self.evaluate( state ) self.log.debug "Initial state was TRUE; disabling rendering" state.disable_rendering else self.log.debug "Initial state was FALSE; enabling rendering" state.enable_rendering end # Set the tag state to track whether or not rendering has been enabled during the # 'unless' for an 'else' tag. state.with_tag_data( :rendering_was_enabled => state.rendering_enabled? ) do self.render_subnodes( state ) end state.enable_rendering return nil end
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