Contents

#
# cim/qualifier_scopes.rb - class CIM::QualifierScopes, class CIM::QualifierScopesError
#
# A pure-Ruby implementation of the CIM meta model.
#
# Copyright (c) 2010 Klaus Kämpf <[e-mail]>
#
# Licensed under the Ruby license
#
module CIM
    
  class QualifierScopeError < ArgumentError
    #
    # Raised if wrong Scope passed
    #
    def initialize element, msg = nil
      @element = element
      super msg
    end
    def to_s
      "#{@element} is not a valid meta element for scopes"
    end
  end

  class QualifierScopes < ::Array
    META_ELEMENTS = [ :schema, :class, :association, :indication, :qualifier, :property, :reference, :method, :parameter, :any ]
    #
    # call-seq:
    #   QualifierScopes.new => qualifier_scopes
    #   QualifierScopes.new(:association) => qualifier_scopes
    #   QualifierScopes.new("association") => qualifier_scopes
    #   QualifierScopes.new("Association") => qualifier_scopes
    #
    # raises QualifierScopesError
    #
    def initialize *elements
      elements.flatten.each do |element|
	self << element
      end
    end
    #
    # call-seq:
    #   qualifier_scopes << :association
    #   qualifier_scopes << "association"
    #   qualifier_scopes << "Association"
    #
    # raises QualifierScopesError
    #
    def << element
      self.push(normalize element)
      self
    end
    #
    # call-seq:
    #   qualifier_scopes.has? :association
    #   qualifier_scopes.has? "association"
    #   qualifier_scopes.has? "Association"
    #
    # raises QualifierScopesError
    #
    def include? element
      super(normalize element)
    end
    alias includes? include?

    #
    # returns a string representation in MOF syntax format
    #
    def to_s
      "Scope(#{self.join(', ')})"
    end
  private
    def normalize element
      element.downcase! if element.is_a?(String)
      e = element.to_sym
      raise QualifierScopeError.new(element) unless META_ELEMENTS.include?(e)
      e
    end
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
cim-1.4.2	lib/cim/qualifier_scopes.rb
cim-1.4.1	lib/cim/qualifier_scopes.rb
cim-1.4	lib/cim/qualifier_scopes.rb
cim-1.3	lib/cim/qualifier_scopes.rb