Class: ReeEnum::Values

Inherits:
Object
  • Object
show all
Defined in:
lib/ree_lib/packages/ree_enum/package/ree_enum/values.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(klass, enum_name) ⇒ Values

Returns a new instance of Values.



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# File 'lib/ree_lib/packages/ree_enum/package/ree_enum/values.rb', line 6

def initialize(klass, enum_name)
  @klass = klass
  @enum_name = enum_name
  @collection = []
  @collection_by_value = {}
  @collection_by_mapped_value = {}
end

Instance Attribute Details

#enum_name ⇒ Object (readonly)

Returns the value of attribute enum_name.



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# File 'lib/ree_lib/packages/ree_enum/package/ree_enum/values.rb', line 4

def enum_name
  @enum_name
end

#klass ⇒ Object (readonly)

Returns the value of attribute klass.



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# File 'lib/ree_lib/packages/ree_enum/package/ree_enum/values.rb', line 4

def klass
  @klass
end

Instance Method Details

#add(value, mapped_value, method) ⇒ Object 



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# File 'lib/ree_lib/packages/ree_enum/package/ree_enum/values.rb', line 55

def add(value, mapped_value, method)
  if @value_type.nil?
    @value_type = value.class
  elsif @value_type != value.class
    raise ArgumentError, "#{@klass}: value types should be the same for all enum values"
  end

  if !method.nil? && @collection.any? { _1.method == method }
    raise ArgumentError, "#{@klass}: method #{method.inspect} was already added"
  end

  if @collection_by_value.key?(value)
    raise ArgumentError, "#{@klass}: value #{value.inspect} was already added"
  end

  if @collection_by_mapped_value.key?(mapped_value)
    raise ArgumentError, "#{@klass}: mapped_value(#{mapped_value.inspect}) for #{value.inspect} was already added"
  end

  enum_value = ReeEnum::Value.new(
    @klass, @enum_name, value, mapped_value, method
  )

  @collection << enum_value
  @collection_by_value[value] = enum_value
  @collection_by_mapped_value[mapped_value] = enum_value

  enum_value
end

#by_mapped_value(mapped_value) ⇒ Object 



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# File 'lib/ree_lib/packages/ree_enum/package/ree_enum/values.rb', line 40

def by_mapped_value(mapped_value)
  @collection_by_mapped_value[mapped_value]
end

#by_mapped_value!(mapped_value) ⇒ Object 



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# File 'lib/ree_lib/packages/ree_enum/package/ree_enum/values.rb', line 45

def by_mapped_value!(mapped_value)
  by_mapped_value(mapped_value) ||
    (raise ArgumentError.new("constant for value #{mapped_value.inspect} is not found in #{self.inspect}"))
end

#by_value(value) ⇒ Object 



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# File 'lib/ree_lib/packages/ree_enum/package/ree_enum/values.rb', line 28

def by_value(value)
  value = value.to_s if value.is_a?(Symbol)
  @collection_by_value[value]
end

#by_value!(value) ⇒ Object 



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# File 'lib/ree_lib/packages/ree_enum/package/ree_enum/values.rb', line 34

def by_value!(value)
  by_value(value) ||
    (raise ArgumentError.new("constant for value #{value.inspect} is not found in #{self.inspect}"))
end

#each ⇒ Object 



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# File 'lib/ree_lib/packages/ree_enum/package/ree_enum/values.rb', line 23

def each(&)
  @collection.each(&)
end

#inspect ⇒ Object 



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# File 'lib/ree_lib/packages/ree_enum/package/ree_enum/values.rb', line 50

def inspect
  @collection.map(&:inspect).inspect
end

#to_a ⇒ Object 



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# File 'lib/ree_lib/packages/ree_enum/package/ree_enum/values.rb', line 19

def to_a
  @collection
end

#value_type ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/ree_lib/packages/ree_enum/package/ree_enum/values.rb', line 14

def value_type
  raise ArgumentError, "value_type is not defined" unless defined?(@value_type)
  @value_type
end