Class: ID3Tag::Configuration

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/id3tag/configuration.rb

Defined Under Namespace

Classes: StackItem

Constant Summary collapse

ResetError = 
Class.new(StandardError)

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.configuration {|value| ... } ⇒ Object

Yields:

  • (value) 


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# File 'lib/id3tag/configuration.rb', line 12

def configuration
  value_from_stack = instance.instance_variable_get(:@stack).last
  value = value_from_stack && value_from_stack.configuration
  value ||= instance.instance_variable_get(:@global_configuration)
  yield value if block_given?
  value
end

.local_configuration(&blk) ⇒ Object 



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# File 'lib/id3tag/configuration.rb', line 8

def local_configuration(&blk)
  instance.send(:local_configuration, &blk)
end

.reset ⇒ Object 



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# File 'lib/id3tag/configuration.rb', line 20

def reset
  instance.send(:reset)
end

Instance Method Details

#local_configuration ⇒ Object 



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# File 'lib/id3tag/configuration.rb', line 25

def local_configuration
  instance_to_copy = @stack.last && @stack.last.configuration
  instance_to_copy ||= @global_configuration
  stack_item = StackItem.new(instance_to_copy.dup)
  stack_backup = @stack.dup
  @stack << stack_item
  begin
    yield stack_item.configuration
  ensure
    @stack.replace stack_backup
  end
end