Module: Scorm2004::Manifest::VisitorPattern

Included in:
AdlseqMapInfo, AdlseqObjective, AdlseqObjectives, CompletionThreshold, ConditionRule, ConstrainedChoiceConsiderations, ControlMode, Data, DataFromLms, DeliveryControls, Dependency, File, HideLmsui, Item, LimitConditions, Manifest, Map, MapInfo, MinNormalizedMeasure, NavigationInterface, Objective, Objectives, Organization, Organizations, Presentation, PrimaryObjective, RandomizationControls, Resource, Resources, RollupAction, RollupCondition, RollupConditions, RollupConsiderations, RollupRule, RollupRules, RuleAction, RuleCondition, RuleConditions, Schema, Schemaversion, Sequencing, SequencingCollection, SequencingRules, TimeLimitAction, Title
Defined in:
lib/scorm2004/manifest/visitor_pattern.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/scorm2004/manifest/visitor_pattern.rb', line 4

def self.included(base)
  base.class_eval do
    const_set('Error', Class.new(Scorm2004::Manifest::Error))
  end
end

Instance Method Details

#initialize(options = {}) ⇒ Object 



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# File 'lib/scorm2004/manifest/visitor_pattern.rb', line 10

def initialize(options = {})
  @options = options
end

#metadata ⇒ Nokogiri::XML::Node?

Returns The <metadata> element or nil.

Returns:

  • (Nokogiri::XML::Node, nil) —

    The <metadata> element or nil



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# File 'lib/scorm2004/manifest/visitor_pattern.rb', line 35

def metadata
  @el.at('./imscp:metadata', NS)
end

#to_hash ⇒ Object 



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# File 'lib/scorm2004/manifest/visitor_pattern.rb', line 23

def to_hash
  if respond_to? :content
    content
  else
    {}.merge(self.class.respond_to?(:attributes) ? attributes_hash : {})
      .merge(self.class.respond_to?(:children) ? children_hash : {})
      .merge(respond_to?(:href) ? {:href => href } : {})
      .reject { |k, v| v.nil? || v == [] || v == {} }
  end
end

#visit(el) ⇒ Object 



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# File 'lib/scorm2004/manifest/visitor_pattern.rb', line 14

def visit(el)
  @el = el
  check_attributes if self.class.respond_to?(:attributes)
  do_visit         if self.respond_to?(:do_visit, true)
  visit_children   if self.class.respond_to?(:children)
  post_visit       if self.respond_to?(:post_visit, true)
  self
end