Class: Puppet::Pops::Types::PNumericType

Inherits:
PAbstractRangeType show all
Defined in:
lib/puppet/pops/types/types.rb

Direct Known Subclasses

PFloatType, PIntegerType

Class Method Summary collapse

Methods inherited from PAbstractRangeType

#eql?, #from, #hash, #initialize, #instance?, #intersect?, #numeric_from, #numeric_to, #to, #unbounded?

Methods inherited from PScalarType

#instance?

Methods inherited from PAnyType

#==, #accept, #assignable?, #callable?, #callable_args?, #callable_with?, #check_self_recursion, #create, #eql?, #generalize, #hash, #instance?, #iterable?, #iterable_type, #kind_of_callable?, #name, #new_function, #normalize, #really_instance?, #resolve, simple_name, #simple_name, #to_alias_expanded_s, #to_s

Methods inherited from TypedModelObject

_ptype, create_ptype, register_ptypes

Methods included from Visitable

#accept

Methods included from PuppetObject

#_ptype

Constructor Details

This class inherits a constructor from Puppet::Pops::Types::PAbstractRangeType

Class Method Details

.new_function(_, loader) ⇒ Object 



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# File 'lib/puppet/pops/types/types.rb', line 850

def self.new_function(_, loader)
  @new_function ||= Puppet::Functions.create_loaded_function(:new_numeric, loader) do
    local_types do
      type 'Convertible = Variant[Undef, Integer, Float, Boolean, String, Timespan, Timestamp]'
      type 'NamedArgs   = Struct[{from => Convertible, Optional[abs] => Boolean}]'
    end

    dispatch :from_args do
      param          'Convertible',  :from
      optional_param 'Boolean',      :abs
    end

    dispatch :from_hash do
      param          'NamedArgs',  :hash_args
    end

    def from_args(from, abs = false)
      result = from_convertible(from)
      abs ? result.abs : result
    end

    def from_hash(args_hash)
      from_args(args_hash['from'], args_hash['abs'] || false)
    end

    def from_convertible(from)
      case from
      when NilClass
        throw :undefined_value
      when Float
        from
      when Integer
        from
      when Time::TimeData
        from.to_f
      when TrueClass
        1
      when FalseClass
        0
      when String
        begin
          if from[0] == '0' && (from[1].downcase == 'b' || from[1].downcase == 'x')
            Integer(from)
          else
            Puppet::Pops::Utils.to_n(from)
          end
        rescue TypeError => e
          raise TypeConversionError.new(e.message)
        rescue ArgumentError => e
          raise TypeConversionError.new(e.message)
        end
      else
        t = Puppet::Pops::Types::TypeCalculator.singleton.infer(from).generalize
        raise TypeConversionError.new("Value of type '#{t}' cannot be converted to Numeric")
      end
    end
  end
end

.register_ptype(loader, ir) ⇒ Object 



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# File 'lib/puppet/pops/types/types.rb', line 843

def self.register_ptype(loader, ir)
  create_ptype(loader, ir, 'ScalarType',
    'from' => { KEY_TYPE => POptionalType.new(PNumericType::DEFAULT), KEY_VALUE => nil },
    'to' => { KEY_TYPE => POptionalType.new(PNumericType::DEFAULT), KEY_VALUE => nil }
  )
end