Module: Zena::Use::Recursion::ZafuMethods

Defined in:
lib/zena/use/recursion.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/zena/use/recursion.rb', line 5

def self.included(base)
  base.before_process :recursion_prepare
  base.after_process  :recursion_call
end

Instance Method Details

#r_include ⇒ Object

recursion



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# File 'lib/zena/use/recursion.rb', line 11

def r_include
  return '' if @context[:saved_template]
  return parser_error("missing 'template' or 'part' parameter") if !@params[:part]
  recursion = get_context_var('recursion', @params[:part])
  return parser_error("no parent named '#{@params[:part]}'") unless recursion
  klass = recursion[:klass]
  if klass.kind_of?(Array)
    return parser_error("node context '#{node.klass}' incompatible with '[#{klass}]'")   unless node.list_context?
    return parser_error("node context '[#{node.klass}]' incompatible with '[#{klass}]'") unless node.klass.first <= klass.first
  else
    return parser_error("node context '[#{node.klass}]' incompatible with '#{klass}'") if node.list_context?
    return parser_error("node context '#{node.klass}' incompatible with '#{klass}'") unless node.klass <= klass
  end
  depth = get_context_var('recursion', 'depth')
  "<% #{recursion[:proc_name]}.call(#{depth}+1,#{node}) %>"
end