Module: Selene::ComponentRules

Included in:
ComponentBuilder
Defined in:
lib/selene/component_rules.rb

Instance Method Summary collapse

Instance Method Details

#component_rules(component) ⇒ Object 



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# File 'lib/selene/component_rules.rb', line 23

def component_rules(component)
  {}.tap do |rules|
    rules["missing required property '%s'"] = lambda do |message|
      passed = true
      component.class::REQUIRED_PROPERTIES.each do |required|
        next if @component.key?(required)
        passed = false
        @errors << { :message => message % required }
      end
      passed
    end
  end
end

#property_rules(component) ⇒ Object 



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# File 'lib/selene/component_rules.rb', line 4

def property_rules(component)
  {}.tap do |rules|
    rules["property %s must not occur more than once"] = lambda do |property, line, message|
      invalid = @component.key?(property) && component.class::DISTINCT_PROPERTIES.include?(property)
      !invalid.tap { @errors << { :message => message % property } if invalid }
    end 

    rules["properties '%s' and '%s' cannot occur in the same component"] = lambda do |property, line, message|
      passed = true
      component.class::EXCLUSIVE_PROPERTIES.each do |properties|
        other_property = properties.find { |p| @component.key?(p) && p != property }
        next unless other_property
        passed = false
        @errors << { :message => message % [property, other_property] }
      end
    end
  end
end