Class: Concrete::HamlEvalContext

Inherits:
Object
  • Object
show all
Defined in:
lib/concrete/haml_eval_context.rb

Overview

Objects of this class are meant to be used as HAML eval context Context methods provide convenient access to the metamodel The metamodel is expected to be a RGen ECore metamodel

Instance Method Summary collapse

Constructor Details

#initialize(mm) ⇒ HamlEvalContext

Returns a new instance of HamlEvalContext.



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# File 'lib/concrete/haml_eval_context.rb', line 9

def initialize(mm)
  @mm = mm
  @metaclassesByName = nil 
end

Instance Method Details

#metaclass(name) ⇒ Object 



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# File 'lib/concrete/haml_eval_context.rb', line 19

def metaclass(name)
  loadMetaclasses unless @metaclassesByName 
  @metaclassesByName[name]
end

#metaclassAttributes(name, options = {}) ⇒ Object 



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# File 'lib/concrete/haml_eval_context.rb', line 41

def metaclassAttributes(name, options={})
  metaclassFeatures(name, options).select{|f| f.is_a?(RGen::ECore::EAttribute)}
end

#metaclassContainments(name, options = {}) ⇒ Object 



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# File 'lib/concrete/haml_eval_context.rb', line 33

def metaclassContainments(name, options={})
  metaclassFeatures(name, options).select{|f| f.is_a?(RGen::ECore::EReference) && f.containment}
end

#metaclasses ⇒ Object 



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# File 'lib/concrete/haml_eval_context.rb', line 14

def metaclasses
  loadMetaclasses unless @metaclassesByName 
  @metaclassesByName.values
end

#metaclassFeatures(name, options = {}) ⇒ Object 



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# File 'lib/concrete/haml_eval_context.rb', line 24

def metaclassFeatures(name, options={})
  exclusions = options[:except] || []
  if exclusions.is_a?(Array)
    metaclass(name).eAllStructuralFeatures.reject{|f| exclusions.include?(f.name)}
  else
    metaclass(name).eAllStructuralFeatures.reject{|f| exclusions == f.name}
  end
end

#metaclassReferences(name, options = {}) ⇒ Object 



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# File 'lib/concrete/haml_eval_context.rb', line 37

def metaclassReferences(name, options={})
  metaclassFeatures(name, options).select{|f| f.is_a?(RGen::ECore::EReference) && !f.containment}
end