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Versions: 46
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Contents
module RDF; class Literal
##
# A token literal.
#
# @see http://www.w3.org/TR/xmlschema-2/#token
# @since 0.2.3
class Token < Literal
DATATYPE = XSD.token
GRAMMAR = /\A[^\x0D\x0A\x09]+\z/i.freeze # FIXME
##
# @param [Symbol, #to_s] value
# @option options [String] :lexical (nil)
def initialize(value, options = {})
@datatype = RDF::URI(options[:datatype] || self.class.const_get(:DATATYPE))
@string = options[:lexical] if options.has_key?(:lexical)
@string ||= value if value.is_a?(String)
@object = value.is_a?(Symbol) ? value : value.to_s
end
##
# Converts this literal into its canonical lexical representation.
#
# @return [RDF::Literal] `self`
# @see http://www.w3.org/TR/xmlschema-2/#boolean
def canonicalize!
@string = @object.to_s if @object
self
end
##
# Returns the value as a symbol.
#
# @return [Symbol]
def to_sym
@object.to_sym
end
##
# Returns the value as a string.
#
# @return [String]
def to_s
@string || @object.to_s
end
end # Token
end; end # RDF::Literal
Version data entries
46 entries across 46 versions & 2 rubygems