Class: Balmora::Contexts

Inherits:
Object
  • Object
show all
Defined in:
lib/balmora/contexts.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(logger, extension, variables, state) ⇒ Contexts

Returns a new instance of Contexts.



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# File 'lib/balmora/contexts.rb', line 7

def initialize(logger, extension, variables, state)
  @state = state
  @logger = logger
  @extension = extension
  @variables = variables
end

Class Method Details

.factory(state) ⇒ Object 



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# File 'lib/balmora/contexts.rb', line 3

def self.factory(state)
  return self.new(state.logger, state.extension, state.variables, state)
end

Instance Method Details

#_check_array(contexts) ⇒ Object 



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# File 'lib/balmora/contexts.rb', line 45

def _check_array(contexts)
  operator = :and
  result = true
  contexts.each() { |context|
    if context == 'or'
      operator = :or
      next
    end

    if operator == :or
      result = result || check(context)
      operator = :and
    else
      if !result
        next
      end

      result = result && check(context)
    end
  }

  return result
end

#check(context) ⇒ Object 



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# File 'lib/balmora/contexts.rb', line 14

def check(context)
  if context.nil?()
    return true
  end

  if context.instance_of?(::Array)
    return _check_array(context)
  end

  if context.instance_of?(::String)
    context = {
      context: 'exec-result',
      exec: context,
      operator: 'equal',
      operand: 0,
    }
  end

  context_class = @extension.get(Balmora::Context, context[:context])
  context_instance = context_class.new(@state, context)
  context_instance.init()

  if !(context_class < Balmora::Context)
    raise Error.new("Context #{context_class} should be subclass of context")
  end

  context_instance.verify()
  result = context_instance.execute()
  return result
end