Class: Gat::Dependence::Argument

Inherits:
Base
  • Object
show all
Defined in:
lib/gat/dependence/argument.rb

Instance Attribute Summary collapse

Attributes inherited from Base

#config, #description, #name, #operation

Instance Method Summary collapse

Constructor Details

#initialize(name, config, operation) ⇒ Argument

Returns a new instance of Argument.



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# File 'lib/gat/dependence/argument.rb', line 12

def initialize(name, config, operation)
  
  super(name, config, operation)
  # by default, argument is command line
  @type     = @config['type']     || 'command_line'
  @optional = @config['optional'] || false
  @prefix  = @config['prefix']   || nil
  
  @@argument_position ||= 0
  @position = ( @@argument_position += 1 )

end

Instance Attribute Details

#optional ⇒ Object (readonly)

Returns the value of attribute optional.



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# File 'lib/gat/dependence/argument.rb', line 6

def optional
  @optional
end

#position ⇒ Object (readonly)

Returns the value of attribute position.



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# File 'lib/gat/dependence/argument.rb', line 5

def position
  @position
end

#prefix ⇒ Object (readonly)

Returns the value of attribute prefix.



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# File 'lib/gat/dependence/argument.rb', line 7

def prefix
  @prefix
end

#type ⇒ Object (readonly)

Returns the value of attribute type.



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# File 'lib/gat/dependence/argument.rb', line 8

def type
  @type
end

#value ⇒ Object (readonly)

Returns the value of attribute value.



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# File 'lib/gat/dependence/argument.rb', line 10

def value
  @value
end

Instance Method Details

#evalue ⇒ Object

Argument must come



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# File 'lib/gat/dependence/argument.rb', line 26

def evalue
  # command line arguments
  if self.type == 'command_line' and self.operation.gatget.arguments.any? and self.operation.gatget.arguments[self.position]
    
    # ToDo => add prefix to arguments
    # if self.position == 'prefix'
      #prefix_position = self.operation.gatget.arguments.index(self.prefix)
      #self.value    = self.operation.gatget.arguments[
    # else
      self.value = self.operation.gatget.arguments[self.position]
    # end
    
  # get arguments
  elsif self.type == 'get' or self.type == 'get_password'
    
    # log direct question
    get_question = self.config['get_question'] || "Gatget need a value for argument #{ self.name } (#{ self.description })"
    
    self.operation.gatget.logger.log("direct", 'get_argument', get_question)
 
    system "stty -echo" if self.type == 'get_password'   # remove letter echo

    self.value = $stdin.gets.chomp
    
    system "stty echo" if self.type == 'get_password'   # remove letter echo
    
  # argument missing but not required
  elsif self.optional
    self.operation.gatget.logger.log("info", "missing argument #{ self.name } at operation #{ self.operation.name }. Argument is marked as optional")
  else  
    raise GatgetArgumentException.new("Missing dependence argument #{ self.name } (@#{ self.type}) ", "evalue_program_dependence")
  end
end