Class: RetroIDL::ASN::EnumerationItem

Inherits:
Object
  • Object
show all
Defined in:
lib/retro_idl/asn/enumeration_item.rb

Overview

An item within an ENUMERATED type

X.680 section 20

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(**opts) ⇒ EnumerationItem

Returns a new instance of EnumerationItem.



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# File 'lib/retro_idl/asn/enumeration_item.rb', line 26

def initialize(**opts)

    @id = opts[:id].to_s
    @location = opts[:location]                
    @mod = nil
    @symbol = nil
    @number = nil
    
    if RetroIDL::ASN.is_identifier?(@location, @id)
        if opts[:number]
            if opts[:number].is_a? String
                @symbol = opts[:number].to_s            
            else
                @number = opts[:number].to_i
            end
        end
    else
        raise ASNError
    end                

end

Instance Attribute Details

#location ⇒ Hash (readonly)

Returns location record.

Returns:

  • (Hash) —

    location record



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# File 'lib/retro_idl/asn/enumeration_item.rb', line 49

def location
  @location
end

Instance Method Details

resolve symbols to definitions in module

Parameters:

  • mod (MODULE) —

    module this type belongs to

  • stack (Array) —

    objects called before this object for depth first search of recursion

Returns:

  • (MODULE) —

    object has been linked

  • (nil) —

    object has not been linked



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# File 'lib/retro_idl/asn/enumeration_item.rb', line 52

def link(mod, stack)

    if @mod.nil? or @mod != mod

        @mod = nil

        if @symbol

            if mod.symbols(@symbol)

                @mod = mod

            else

                ASN.putError(@location, SYMBOL_UNDEFINED_ERROR)

            end

        else

            @mod = mod

        end

    end

    @mod

end

#to_s ⇒ String

Convert object to ASN.1 syntax representation

Returns:

  • (String) —

    ASN.1 syntax representation

Raises:



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# File 'lib/retro_idl/asn/enumeration_item.rb', line 83

def to_s

    if @symbol

        "#{@id} (#{@symbol})"

    elsif @number

        "#{@id} (#{@number})"

    else

        "#{@id}"

    end

end