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Contents
module RubySpeech
module GRXML
##
#
# The one-of element is one of the valid expansion elements for the SGR rule element
#
# http://www.w3.org/TR/speech-grammar/#S2.4 --> XML Form
#
# The one-of element has no attributes
#
# The one-of element identifies a set of alternative elements. Each alternative expansion is contained in a item element. There must be at least one item element contained within a one-of element.
#
# FIXME: Ensure an 'item' element is in the oneof block... this may be at the final draw or when OneOf is called...
#
class OneOf < Element
register :'one-of'
VALID_CHILD_TYPES = [Nokogiri::XML::Element, Nokogiri::XML::Text, Item].freeze
def <<(arg)
raise InvalidChildError, "A OneOf can only accept Item as children" unless VALID_CHILD_TYPES.include? arg.class
super
end
def regexp_content # :nodoc:
"(#{children.map(&:regexp_content).join '|'})"
end
end # OneOf
end # GRXML
end # RubySpeech
Version data entries
9 entries across 9 versions & 1 rubygems