Class: Cucumber::CucumberExpressions::Argument

Inherits:
Object
  • Object
show all
Defined in:
lib/cucumber/cucumber_expressions/argument.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(group, parameter_type) ⇒ Argument

Returns a new instance of Argument.



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# File 'lib/cucumber/cucumber_expressions/argument.rb', line 29

def initialize(group, parameter_type)
  @group, @parameter_type = group, parameter_type
end

Instance Attribute Details

#group ⇒ Object (readonly)

Returns the value of attribute group.



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# File 'lib/cucumber/cucumber_expressions/argument.rb', line 9

def group
  @group
end

#parameter_type ⇒ Object (readonly)

Returns the value of attribute parameter_type.



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# File 'lib/cucumber/cucumber_expressions/argument.rb', line 9

def parameter_type
  @parameter_type
end

Class Method Details

.build(tree_regexp, text, parameter_types) ⇒ Object 



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# File 'lib/cucumber/cucumber_expressions/argument.rb', line 11

def self.build(tree_regexp, text, parameter_types)
  group = tree_regexp.match(text)
  return nil if group.nil?

  arg_groups = group.children

  if arg_groups.length != parameter_types.length
    raise CucumberExpressionError.new(
      "Expression #{tree_regexp.regexp.inspect} has #{arg_groups.length} capture groups (#{arg_groups.map(&:value)}), " \
      "but there were #{parameter_types.length} parameter types (#{parameter_types.map(&:name)})"
    )
  end

  parameter_types.zip(arg_groups).map do |parameter_type, arg_group|
    Argument.new(arg_group, parameter_type)
  end
end

Instance Method Details

#value(self_obj = :nil) ⇒ Object 



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# File 'lib/cucumber/cucumber_expressions/argument.rb', line 33

def value(self_obj = :nil)
  raise 'No self_obj' if self_obj == :nil

  group_values = @group ? @group.values : nil
  @parameter_type.transform(self_obj, group_values)
end