Class: Gamefic::Binding

Inherits:
Object
  • Object
show all
Defined in:
lib/gamefic/binding.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(narrative, code) ⇒ Binding 



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# File 'lib/gamefic/binding.rb', line 31

def initialize(narrative, code)
  @narrative = narrative
  @code = code
end

Instance Attribute Details

#code ⇒ Object (readonly)

Returns the value of attribute code.



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# File 'lib/gamefic/binding.rb', line 27

def code
  @code
end

#narrative ⇒ Object (readonly)

Returns the value of attribute narrative.



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# File 'lib/gamefic/binding.rb', line 25

def narrative
  @narrative
end

Class Method Details

.for(object) ⇒ Object 



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# File 'lib/gamefic/binding.rb', line 20

def for(object)
  registry.fetch(object, []).last
end

.pop(object) ⇒ Object 



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# File 'lib/gamefic/binding.rb', line 15

def pop(object)
  registry[object].pop
  registry.delete(object) if registry[object].empty?
end

.push(object, narrative) ⇒ Object 



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# File 'lib/gamefic/binding.rb', line 10

def push(object, narrative)
  registry[object] ||= []
  registry[object].push narrative
end

.registry ⇒ Object 



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# File 'lib/gamefic/binding.rb', line 6

def registry
  @registry ||= {}
end

Instance Method Details

#call(*args) ⇒ Object Also known as: [] 



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# File 'lib/gamefic/binding.rb', line 36

def call(*args)
  args.each { |arg| Binding.push arg, @narrative }
  @narrative.instance_exec(*args, &@code)
ensure
  args.each { |arg| Binding.pop arg }
end