Class: XTF::Search::Element::Range

Inherits:
Clause show all
Defined in:
lib/xtf/search/element/range.rb

Constant Summary

Constants inherited from Clause

Clause::VALID_TAG_NAMES

Constants inherited from Base

Base::BASE_ATTRIBUTE_KEYS

Instance Attribute Summary collapse

Attributes inherited from Clause

#content, #section_type, #term

Attributes inherited from Base

#tag_name

Instance Method Summary collapse

Methods inherited from Clause

create, #to_xml

Methods inherited from Base

attribute_keys, #attributes

Constructor Details

#initialize(*args) ⇒ Range

lower and upper may be passed as the first and second arguments. If one is present, then both must be. Otherwise, they may be passed as part of the attributes Hash with the keys :lower and :upper. An ArgumentError will be raised if they are not provided.

Raises:

  • (ArgumentError) 


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# File 'lib/xtf/search/element/range.rb', line 11

def initialize(*args)
  @tag_name = "range"

  # retrieve lower and upper if passed as first two arguments
  @lower = args.shift.to_s if args[0].is_a?(String) || args[0].is_a?(Integer)
  @upper = args.shift.to_s if args[0].is_a?(String) || args[0].is_a?(Integer)
  raise ArgumentError, "If you provide --lower-- as first argument, you must provide --upper-- as second." if @lower && !@upper

  params = args[0] || {}
  raise ArgumentError, "You have provided --lower-- and --upper-- as both arguments and attributes! Pass them as one or the other, but not both." if @lower && (params[:lower] || params[:upper])

  @lower = params[:lower] && params[:lower].to_s unless @lower
  @upper = params[:upper] && params[:upper].to_s unless @upper

  raise ArgumentError, "You must provide --lower-- and --upper-- as the first two arguments to new() or as members of the attributes Hash." unless @lower && @upper

  super
end

Instance Attribute Details

#lower ⇒ Object

Returns the value of attribute lower.



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# File 'lib/xtf/search/element/range.rb', line 5

def lower
  @lower
end

#upper ⇒ Object

Returns the value of attribute upper.



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# File 'lib/xtf/search/element/range.rb', line 5

def upper
  @upper
end

Instance Method Details

#to_xml_node ⇒ Object

TODO add section_type



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# File 'lib/xtf/search/element/range.rb', line 31

def to_xml_node
  xml = XTF::XML::Element.new self.tag_name.camelize(:lower)
  self.attributes.each_pair { |key, value| xml.attributes[key.to_s.camelize(:lower)] = value if value}
  lnode = XTF::XML::Element.new("lower")
  lnode.text = self.lower
  unode = XTF::XML::Element.new("upper")
  unode.text = self.upper
  xml.add_element(lnode)
  xml.add_element(unode)
  xml
end