Class: Grape::Util::StackableValues

Inherits:
Object
  • Object
show all
Defined in:
lib/grape/util/stackable_values.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(inherited_values = {}) ⇒ StackableValues

Returns a new instance of StackableValues.



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# File 'lib/grape/util/stackable_values.rb', line 8

def initialize(inherited_values = {})
  @inherited_values = inherited_values
  @new_values = {}
  @frozen_values = {}
end

Instance Attribute Details

#frozen_values ⇒ Object (readonly)

Returns the value of attribute frozen_values.



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# File 'lib/grape/util/stackable_values.rb', line 6

def frozen_values
  @frozen_values
end

#inherited_values ⇒ Object

Returns the value of attribute inherited_values.



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# File 'lib/grape/util/stackable_values.rb', line 4

def inherited_values
  @inherited_values
end

#new_values ⇒ Object

Returns the value of attribute new_values.



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# File 'lib/grape/util/stackable_values.rb', line 5

def new_values
  @new_values
end

Instance Method Details

#[](name) ⇒ Object 



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# File 'lib/grape/util/stackable_values.rb', line 14

def [](name)
  return @frozen_values[name] if @frozen_values.key? name

  value = []
  value.concat(@inherited_values[name] || [])
  value.concat(@new_values[name] || [])
  value
end

#[]=(name, value) ⇒ Object 



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# File 'lib/grape/util/stackable_values.rb', line 23

def []=(name, value)
  raise if @frozen_values.key? name
  @new_values[name] ||= []
  @new_values[name].push value
end

#delete(key) ⇒ Object 



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# File 'lib/grape/util/stackable_values.rb', line 29

def delete(key)
  new_values.delete key
end

#freeze_value(key) ⇒ Object 



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# File 'lib/grape/util/stackable_values.rb', line 43

def freeze_value(key)
  @frozen_values[key] = self[key].freeze
end

#initialize_copy(other) ⇒ Object 



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# File 'lib/grape/util/stackable_values.rb', line 47

def initialize_copy(other)
  super
  self.inherited_values = other.inherited_values
  self.new_values = other.new_values.dup
end

#keys ⇒ Object 



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# File 'lib/grape/util/stackable_values.rb', line 33

def keys
  (@new_values.keys + @inherited_values.keys).sort.uniq
end

#to_hash ⇒ Object 



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# File 'lib/grape/util/stackable_values.rb', line 37

def to_hash
  keys.each_with_object({}) do |key, result|
    result[key] = self[key]
  end
end