Module: Gat::Interpreter

Included in:
Action::Base, Action::ShellCommandChild, Condition
Defined in:
lib/gat/interpreter.rb

Instance Method Summary collapse

Instance Method Details

#interpreter_parameter(parameter_name, gatget_object) ⇒ Object 



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# File 'lib/gat/interpreter.rb', line 37

def interpreter_parameter(parameter_name, gatget_object)
  parameter_config = gatget_object.get_element_config('parameters', parameter_name)

  if not parameter_config or parameter_config.nil?
 # FIXME This is never true as it would have raised an exception in get_element_config
    raise GatgetConfigException.new("Parameter #{ parameter_name } not found at YML", "interpreter_parameters")
  end

  if not parameter_config['value'] or parameter_config['value'].blank?
    raise GatgetConfigException.new("Parameter #{ parameter_name } has blank or missing value", "interpreter_parameter")
  end

  case parameter_config['type']
  when 'dependence'
    dependence_type, *dependence_name = parameter_config['value'].split("/")
    ret = gatget_object.get_dependence_value(dependence_type, dependence_name.join("_"))
    if parameter_config['array_method']
      ret = eval("ret.#{ parameter_config['array_method'] }")
    end

    if parameter_config['join']
      ret = [ *ret ].join(parameter_config['join'])
    end
  when 'eval'
    ret = eval(parameter_config['value'])
  else
    if parameter_config['type'].empty?
      raise GatgetConfigException.new("'#{parameter_config['type']}' type invalid for argument #{ parameter_name }. Should be 'dependence' or 'eval'", "interpreter_parameter")
    else
      raise GatgetConfigException.new("missing type por argument #{ parameter_name }", "interpreter_parameter")
    end

  end
  ret

  # What does it happens if a ret is nil or blank or false?????
  # ToDo

end

#interpreter_parameters(gatget_text, gatget_object) ⇒ Object 



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# File 'lib/gat/interpreter.rb', line 27

def interpreter_parameters(gatget_text, gatget_object)

  interpreted_string = gatget_text.gsub(/\{\{[\w\d]+\}\}/) do |gat_parameter|
    parameter        = gat_parameter.gsub(/[{}]/,'')
    gat_parameter    = interpreter_parameter(parameter, gatget_object)
  end
end

#interpreter_shell_command(action) ⇒ Object 



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# File 'lib/gat/interpreter.rb', line 78

def interpreter_shell_command(action)
  syntax = self.syntax.gsub(/\{\{[\w\d]+\}\}/) do |argument|

    # replace current argument with data
    unless self.arguments.keys.include?(argument.gsub(/[{}]/,''))
      raise GatgetConfigException.new("Syntax failed for action #{ action.name }. Missing argument: #{ argument }", "interpreter_shell_command")
    end

    argument = self.arguments[argument.gsub(/[{}]/,'')]
  end
  syntax
end