Class: EasyUpnp::ArgumentValidator

Inherits:
Object
  • Object
show all
Defined in:
lib/easy_upnp/control_point/argument_validator.rb

Defined Under Namespace

Classes: AllowedValueValidator, Builder, RangeValidator, TypeValidator

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(validators) ⇒ ArgumentValidator

Returns a new instance of ArgumentValidator.



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# File 'lib/easy_upnp/control_point/argument_validator.rb', line 96

def initialize(validators)
  @validators = validators
end

Class Method Details

.build(&block) ⇒ Object 



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# File 'lib/easy_upnp/control_point/argument_validator.rb', line 121

def self.build(&block)
  Builder.new(&block).build
end

.from_xml(xml) ⇒ Object 



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# File 'lib/easy_upnp/control_point/argument_validator.rb', line 129

def self.from_xml(xml)
  build do |v|
    v.type(xml.xpath('dataType').text)

    if (range = xml.xpath('allowedValueRange')).any?
      min = range.xpath('minimum').text
      max = range.xpath('maximum').text
      step = range.xpath('step')
      step = step.any? ? step.text : 1

      v.in_range(min.to_i, max.to_i, step.to_i)
    end

    if (list = xml.xpath('allowedValueList')).any?
      allowed_values = list.xpath('allowedValue').map { |x| x.text }
      v.allowed_values(*allowed_values)
    end
  end
end

.no_op ⇒ Object 



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# File 'lib/easy_upnp/control_point/argument_validator.rb', line 125

def self.no_op
  build
end

Instance Method Details

#allowed_values ⇒ Object 



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# File 'lib/easy_upnp/control_point/argument_validator.rb', line 111

def allowed_values
  return nil unless @validators[AllowedValueValidator]
  @validators[AllowedValueValidator].allowed_values
end

#required_class ⇒ Object 



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# File 'lib/easy_upnp/control_point/argument_validator.rb', line 105

def required_class
  return nil unless @validators[TypeValidator]
  c = @validators[TypeValidator].valid_classes
  c.size == 1 ? c.first : c
end

#valid_range ⇒ Object 



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# File 'lib/easy_upnp/control_point/argument_validator.rb', line 116

def valid_range
  return nil unless @validators[RangeValidator]
  @validators[RangeValidator].range
end

#validate(value) ⇒ Object 



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# File 'lib/easy_upnp/control_point/argument_validator.rb', line 100

def validate(value)
  @validators.each { |_, v| v.validate(value) }
  true
end