Class: Stupidedi::Versions::FunctionalGroups::TwoThousandOne::SyntaxNotes::E

Inherits:
Schema::SyntaxNote show all
Defined in:
lib/stupidedi/versions/functional_groups/002001/syntax_notes.rb

Overview

Exclusion: not more than one of the elements in the condition may be present

Instance Attribute Summary

Attributes inherited from Schema::SyntaxNote

#indexes

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Schema::SyntaxNote

#errors, #initialize, #satisfied?

Constructor Details

This class inherits a constructor from Stupidedi::Schema::SyntaxNote

Class Method Details

.build(*args) ⇒ Object 



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# File 'lib/stupidedi/versions/functional_groups/002001/syntax_notes.rb', line 100

def build(*args)
  new(args)
end

Instance Method Details

#forbidden(zipper) ⇒ Object 



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# File 'lib/stupidedi/versions/functional_groups/002001/syntax_notes.rb', line 84

def forbidden(zipper)
  if zipper.node.present?
    xs = children(zipper)
    xs.count{|x| x.node.present? } <= 1 ? [] : xs
  else
    []
  end
end

#reason(zipper) ⇒ Object 



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# File 'lib/stupidedi/versions/functional_groups/002001/syntax_notes.rb', line 93

def reason(zipper)
  present = indexes.select{|n| zipper.child(n - 1).node.present? }
  "only one of elements #{present.join(", ")} may be present"
end

#required(zipper) ⇒ Object 



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# File 'lib/stupidedi/versions/functional_groups/002001/syntax_notes.rb', line 80

def required(zipper)
  []
end