Class: Protod::Proto::Field

Inherits:
Part
  • Object
show all
Defined in:
lib/protod/proto/field.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Part

#ancestor_as, #freeze, #has?, #ident=, #push, #root

Class Method Details

.build_from(const_or_name, **attributes) ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/protod/proto/field.rb', line 14

def build_from(const_or_name, **attributes)
  i = Protod::Interpreter.find_by(const_or_name, with_register_from_ancestor: true)

  raise NotImplementedError, "Not found the interpreter for #{const_or_name}. You can define a interpreter using Protod::Interpreter.register_for" unless i

  new(interpreter: i, **attributes)
end

.build_from_rbs(type, on:, **attributes) ⇒ Object 



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# File 'lib/protod/proto/field.rb', line 22

def build_from_rbs(type, on:, **attributes)
  case type
  when RBS::Types::Optional
    build_from_rbs(type.type, on: on, **attributes.merge(optional: attributes[:repeated] ? false : true))
  when RBS::Types::Union
    real_type = type.types.find { _1.name.kind == :class && Protod.rbs_environment.class_decls.key?(_1.name) }

    raise ArgumentError, "Not found declared class in union type on #{on}" unless real_type

    build_from_rbs(real_type, on: on, **attributes)
  when RBS::Types::Alias
    alias_decl = Protod.rbs_environment.type_alias_decls[type.name]

    raise ArgumentError, "Not found alias declaration of #{type.name.name} on #{on}" unless alias_decl

    build_from_rbs(alias_decl.decl.type, on: on, **attributes)
  when RBS::Types::ClassInstance
    case
    when should_repeated_with(type.name.to_s.safe_constantize)
      build_from_rbs(type.args.first, on: on, **attributes.merge(optional: false, repeated: true))
    when type.args.size > 0
      raise NotImplementedError, "Unsupported rbs type : Record or Tuple on #{on}"
    else
      build_from(type.name.to_s, **attributes)
    end
  when RBS::Types::Bases::Base
    build_from(type.class.name, **attributes)
  else
    binding.pry
    raise NotImplementedError, "Unsupported rbs type : #{type.class.name} on #{on}"
  end
end

.should_repeated_with(const) ⇒ Object 



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# File 'lib/protod/proto/field.rb', line 55

def should_repeated_with(const)
  const&.ancestors&.include?(::Array)
end

Instance Method Details

#to_proto ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/protod/proto/field.rb', line 64

def to_proto
  raise ArgumentError, "Not set interpreter" unless interpreter

  type_part = if interpreter.package && interpreter.package == ancestor_as(Protod::Proto::Package)
                interpreter.proto_full_ident.delete_prefix("#{interpreter.package.full_ident}.")
              else
                interpreter.proto_full_ident
              end

  [
    format_proto(''),
    [
      # optional ? 'optional' : nil,
      repeated ? 'repeated' : nil,
      type_part,
      ident,
      '=',
      index
    ].compact.join(' '),
    ';'
  ].join
end

#void? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/protod/proto/field.rb', line 60

def void?
  interpreter ? interpreter.proto_ident.blank? : false
end