Module: Annotation

Defined in:
lib/rbbt/annotations.rb

Overview

{{{ ANNOTATION

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#annotations ⇒ Object

Returns the value of attribute annotations.



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# File 'lib/rbbt/annotations.rb', line 187

def annotations
  @annotations
end

#masked_annotations ⇒ Object

Returns the value of attribute masked_annotations.



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# File 'lib/rbbt/annotations.rb', line 187

def masked_annotations
  @masked_annotations
end

Class Method Details

.extended(object) ⇒ Object 



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# File 'lib/rbbt/annotations.rb', line 301

def self.extended(object)
  object.module_eval do
    include Annotated
  end
end

Instance Method Details

#annotation(*list) ⇒ Object 



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# File 'lib/rbbt/annotations.rb', line 201

def annotation(*list)

  list.each do |annot|
    next if annotations.include? annot.to_sym
    annotations << annot.to_sym

    # Getter
    self.send(:define_method, annot.to_s) do 
      annotation_values[annot]
    end

    # Setter
    self.send(:define_method, "#{ annot}=") do |value|
      if @shared_annotations 
        detach_annotations # avoid side effects
      end

      reset

      annotation_values[annot] = value
    end
  end
end

#clean_and_setup_hash(object, hash) ⇒ Object 



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# File 'lib/rbbt/annotations.rb', line 232

def clean_and_setup_hash(object, hash)
  annotation_values = object.instance_variable_get(:@annotation_values)
  annotation_values = annotation_values.nil? ? {} : annotation_values.dup
  annotation_values.instance_variable_set(:@annotation_md5, nil)

  hash.each do |key, value|
    begin
      next unless @annotations.include?(key = key.to_sym)
    rescue
      next
    end

    value = value.split("|") if String === value and value.index "|"

    annotation_values[key] = value
  end

  object.instance_variable_set(:@annotation_values,  annotation_values)
  object.instance_variable_set(:@shared_annotations,  false)

  object.reset

  object
end

#fast_setup(object, hash, shared = false) ⇒ Object 



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# File 'lib/rbbt/annotations.rb', line 294

def fast_setup(object, hash, shared = false)
  object.extend self
  object.extend AnnotatedArray if Array === object
  object.instance_variable_set(:@annotation_values, hash)
  object.instance_variable_set(:@shared_annotations, true) if shared
end

#included(mod) ⇒ Object 



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# File 'lib/rbbt/annotations.rb', line 307

def included(mod)
  mod.instance_variable_set(:@annotations, self.annotations.dup)
  mod.instance_variable_set(:@masked_annotations, self.masked_annotations.dup)
end

#setup(object, *values) ⇒ Object 



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# File 'lib/rbbt/annotations.rb', line 278

def setup(object, *values)
  return object if object.nil?

  object.extend self
  object.extend AnnotatedArray if Array === object
  object.instance_variable_set(:@annotation_types, nil)

  if Hash === (hash = values.last)
    clean_and_setup_hash(object, hash)
  else
    setup_positional(object, *values)
  end

  object
end

#setup_hash(object, values) ⇒ Object 



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# File 'lib/rbbt/annotations.rb', line 225

def setup_hash(object, values)
  object.instance_variable_set(:@annotation_values,  values)
  object.instance_variable_set(:@shared_annotations,  true)
  object.reset
  object
end

#setup_positional(object, *values) ⇒ Object 



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# File 'lib/rbbt/annotations.rb', line 257

def setup_positional(object, *values)
  annotation_values = object.instance_variable_get(:@annotation_values) 
  annotation_values = annotation_values.nil? ? {} : annotation_values.dup
  annotation_values.instance_variable_set(:@annotation_md5, nil)

  annotations.each_with_index do |name,i|
    value = values[i]

    value = value.split("|") if String === value and value.include? "|"

    annotation_values[name] = value
  end


  object.instance_variable_set(:@annotation_values,  annotation_values)

  object.reset

  object
end

#unmasked_annotations ⇒ Object 



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# File 'lib/rbbt/annotations.rb', line 197

def unmasked_annotations
  annotations - masked_annotations
end