Class: ActiveFacts::API::RoleValues

Inherits:
Object
  • Object
show all
Defined in:
lib/activefacts/api/role_values.rb

Overview

:nodoc:

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(sort = false) ⇒ RoleValues

Returns a new instance of RoleValues.



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# File 'lib/activefacts/api/role_values.rb', line 13

def initialize sort = false
  @sort = !!(sort || ENV[@@af_sort_name ||= "ACTIVEFACTS_SORT"])
  @a = @sort ? RBTree.new : []
end

Instance Attribute Details

#sort ⇒ Object

Returns the value of attribute sort.



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# File 'lib/activefacts/api/role_values.rb', line 11

def sort
  @sort
end

Class Method Details

.def_single_delegator(accessor, method, *expected_arities) ⇒ Object

Paranoia. Because of changes in the implementation, I need to catch old code that calls these delegates incorrectly



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# File 'lib/activefacts/api/role_values.rb', line 73

def self.def_single_delegator(accessor, method, *expected_arities)
  str = %{
    def #{method}(*args, &block)
      if #{expected_arities.size == 0 ? "block" : "!block || !#{expected_arities.inspect}.include?(block.arity)" }
 raise ArgumentError.new("Arity mismatch on #{name}\##{method}, got \#{block ? block.arity : 'none'} want #{expected_arities.inspect} at \#{caller*"\n\t"})")
      end
      if @sort
 #{accessor}.values.__send__(:#{method}, *args, &block)
      else
 #{accessor}.__send__(:#{method}, *args, &block)
      end
    end
  }
  eval(str)
end

Instance Method Details

#+(a) ⇒ Object 



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# File 'lib/activefacts/api/role_values.rb', line 18

def +(a)
  if @sort
    @a.values.+(a.is_a?(RoleValues) ? [a] : a)
  else
    @a.+(a.is_a?(RoleValues) ? [a] : a)
  end
end

#add_instance(value, key) ⇒ Object 



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# File 'lib/activefacts/api/role_values.rb', line 42

def add_instance(value, key)
  if @sort
    @a[form_key(key)] = value
  else
    @a << value
  end
end

#delete_instance(value, key) ⇒ Object 



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# File 'lib/activefacts/api/role_values.rb', line 50

def delete_instance(value, key)
  if @sort
    deleted = @a.delete(form_key(key))
  else
    deleted = @a.delete(value)
  end

  # Test code:
  unless deleted
    p @a
    p value
    debugger
    true
  end

end

#form_key(a) ⇒ Object 



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# File 'lib/activefacts/api/role_values.rb', line 38

def form_key a
  KeyArray.new(Array(a))
end

#include?(v) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/activefacts/api/role_values.rb', line 89

def include? v
  if @sort
    @a.include?(form_key(v))
  else
    @a.include?(v)
  end
end

#keys ⇒ Object 



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# File 'lib/activefacts/api/role_values.rb', line 30

def keys
  @sort ? @a.keys : @a
end

#single ⇒ Object 



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# File 'lib/activefacts/api/role_values.rb', line 34

def single
  size > 1 ? nil : to_a[0]
end

#to_a ⇒ Object 



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# File 'lib/activefacts/api/role_values.rb', line 26

def to_a
  @sort ? @a.values : @a
end

#verbalise ⇒ Object 



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# File 'lib/activefacts/api/role_values.rb', line 67

def verbalise
  a = @sort ? @a.values : @a
  "[#{a.map(&:verbalise).join(", ")}]"
end