Class: Magick::FeatureDependency

Inherits:
Object
  • Object
show all
Defined in:
lib/magick/feature_dependency.rb

Class Method Summary collapse

Class Method Details

.add_dependency(feature_name, dependency_name) ⇒ Object 



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# File 'lib/magick/feature_dependency.rb', line 14

def self.add_dependency(feature_name, dependency_name)
  feature = Magick.features[feature_name.to_s] || Magick[feature_name]
  dependencies = feature.instance_variable_get(:@dependencies) || []
  dependencies << dependency_name.to_s unless dependencies.include?(dependency_name.to_s)
  feature.instance_variable_set(:@dependencies, dependencies)
end

.check(feature_name, context = {}) ⇒ Object 



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# File 'lib/magick/feature_dependency.rb', line 5

def self.check(feature_name, context = {})
  feature = Magick.features[feature_name.to_s] || Magick[feature_name]
  dependencies = feature.instance_variable_get(:@dependencies) || []

  dependencies.all? do |dep_name|
    Magick.enabled?(dep_name, context)
  end
end

.remove_dependency(feature_name, dependency_name) ⇒ Object 



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# File 'lib/magick/feature_dependency.rb', line 21

def self.remove_dependency(feature_name, dependency_name)
  feature = Magick.features[feature_name.to_s] || Magick[feature_name]
  dependencies = feature.instance_variable_get(:@dependencies) || []
  dependencies.delete(dependency_name.to_s)
  feature.instance_variable_set(:@dependencies, dependencies)
end