Class: Senko::Validator::EvaluationContext

Inherits:
Object
  • Object
show all
Defined in:
lib/senko/validator.rb

Constant Summary collapse

EMPTY_EVALUATED = 
{}.freeze

Instance Method Summary collapse

Constructor Details

#initialize(dynamic_scopes = []) ⇒ EvaluationContext

Returns a new instance of EvaluationContext.



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# File 'lib/senko/validator.rb', line 51

def initialize(dynamic_scopes = [])
  @dynamic_scopes = dynamic_scopes.dup
end

Instance Method Details

#dynamic_target(anchor) ⇒ Object 



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# File 'lib/senko/validator.rb', line 102

def dynamic_target(anchor)
  scope = @dynamic_scopes.find { |candidate| candidate.key?(anchor) }
  scope&.fetch(anchor)
end

#evaluated_items_by_location ⇒ Object 



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# File 'lib/senko/validator.rb', line 59

def evaluated_items_by_location
  @evaluated_items_by_location || EMPTY_EVALUATED
end

#evaluated_properties_by_location ⇒ Object 



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# File 'lib/senko/validator.rb', line 55

def evaluated_properties_by_location
  @evaluated_properties_by_location || EMPTY_EVALUATED
end

#evaluation_empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/senko/validator.rb', line 89

def evaluation_empty?
  (!@evaluated_properties_by_location || @evaluated_properties_by_location.empty?) &&
    (!@evaluated_items_by_location || @evaluated_items_by_location.empty?)
end

#fork(track_evaluation: true) ⇒ Object 



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# File 'lib/senko/validator.rb', line 107

def fork(track_evaluation: true)
  track_evaluation ? self.class.new(@dynamic_scopes) : NoopEvaluationContext.new(@dynamic_scopes)
end

#item_evaluated?(location, index) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/senko/validator.rb', line 82

def item_evaluated?(location, index)
  return false unless @evaluated_items_by_location

  items = @evaluated_items_by_location.fetch(location, nil)
  items ? items.key?(index) : false
end

#mark_item(location, index) ⇒ Object 



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# File 'lib/senko/validator.rb', line 71

def mark_item(location, index)
  evaluated_items_for_write[location][index] = true
end

#mark_property(location, name) ⇒ Object 



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# File 'lib/senko/validator.rb', line 63

def mark_property(location, name)
  evaluated_properties_for_write[location][name.to_s] = true
end

#merge(child) ⇒ Object 



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# File 'lib/senko/validator.rb', line 111

def merge(child)
  child.evaluated_properties_by_location.each do |location, properties|
    evaluated_properties_for_write[location].update(properties)
  end
  child.evaluated_items_by_location.each do |location, items|
    evaluated_items_for_write[location].update(items)
  end
end

#pop_dynamic_scope ⇒ Object 



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# File 'lib/senko/validator.rb', line 98

def pop_dynamic_scope
  @dynamic_scopes.pop
end

#property_evaluated?(location, name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/senko/validator.rb', line 75

def property_evaluated?(location, name)
  return false unless @evaluated_properties_by_location

  properties = @evaluated_properties_by_location.fetch(location, nil)
  properties ? properties.key?(name.to_s) : false
end

#push_dynamic_scope(anchors) ⇒ Object 



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# File 'lib/senko/validator.rb', line 94

def push_dynamic_scope(anchors)
  @dynamic_scopes << anchors
end

#track_evaluation? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/senko/validator.rb', line 67

def track_evaluation?
  true
end