class Protobuf::Generators::FieldGenerator
Constants
- PROTO_INFINITY_DEFAULT
Constants
- PROTO_NAN_DEFAULT
- PROTO_NEGATIVE_INFINITY_DEFAULT
- RUBY_INFINITY_DEFAULT
- RUBY_NAN_DEFAULT
- RUBY_NEGATIVE_INFINITY_DEFAULT
Attributes
field_options[R]
Attributes
Public Instance Methods
applicable_options()
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# File lib/protobuf/generators/field_generator.rb, line 22 def applicable_options # Note on the strange use of `#inspect`: # :boom.inspect #=> ":boom" # :".boom.foo".inspect #=> ":\".boom.foo\"" # An alternative to `#inspect` would be always adding double quotes, # but the generatated code looks un-idiomatic: # ":\"#{:boom}\"" #=> ":\"boom\"" <-- Note the unnecessary double quotes @applicable_options ||= field_options.map { |k, v| "#{k.inspect} => #{v}" } end
compile()
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# File lib/protobuf/generators/field_generator.rb, line 61 def compile run_once(:compile) do field_definition = ["#{label} #{type_name}", name, number, applicable_options] puts field_definition.flatten.compact.join(', ') end end
default_value()
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# File lib/protobuf/generators/field_generator.rb, line 32 def default_value @default_value ||= begin if defaulted? case descriptor.type.name when :TYPE_ENUM enum_default_value when :TYPE_STRING, :TYPE_BYTES string_default_value when :TYPE_FLOAT, :TYPE_DOUBLE float_double_default_value else verbatim_default_value end end end end
defaulted?()
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# File lib/protobuf/generators/field_generator.rb, line 49 def defaulted? descriptor.respond_to_has_and_present?(:default_value) end
deprecated?()
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# File lib/protobuf/generators/field_generator.rb, line 53 def deprecated? descriptor.options.try(:deprecated?) { false } end
extension?()
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# File lib/protobuf/generators/field_generator.rb, line 57 def extension? descriptor.respond_to_has_and_present?(:extendee) end
label()
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# File lib/protobuf/generators/field_generator.rb, line 68 def label @label ||= descriptor.label.name.to_s.downcase.sub(/label_/, '') # required, optional, repeated end
name()
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# File lib/protobuf/generators/field_generator.rb, line 72 def name @name ||= descriptor.name.to_sym.inspect end
number()
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# File lib/protobuf/generators/field_generator.rb, line 76 def number @number ||= descriptor.number end
packed?()
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# File lib/protobuf/generators/field_generator.rb, line 98 def packed? descriptor.options.try(:packed?) { false } end
type_name()
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Determine the field type
# File lib/protobuf/generators/field_generator.rb, line 103 def type_name @type_name ||= begin case descriptor.type.name when :TYPE_MESSAGE, :TYPE_ENUM, :TYPE_GROUP then modulize(descriptor.type_name) else type_name = descriptor.type.name.to_s.downcase.sub(/type_/, '') ":#{type_name}" end end end
Private Instance Methods
enum_default_value()
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# File lib/protobuf/generators/field_generator.rb, line 117 def enum_default_value "#{type_name}::#{verbatim_default_value}" end
float_double_default_value()
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# File lib/protobuf/generators/field_generator.rb, line 121 def float_double_default_value case verbatim_default_value when PROTO_INFINITY_DEFAULT then RUBY_INFINITY_DEFAULT when PROTO_NEGATIVE_INFINITY_DEFAULT then RUBY_NEGATIVE_INFINITY_DEFAULT when PROTO_NAN_DEFAULT then RUBY_NAN_DEFAULT else verbatim_default_value end end
string_default_value()
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# File lib/protobuf/generators/field_generator.rb, line 134 def string_default_value %("#{verbatim_default_value.gsub(/'/, '\\\\\'')}") end
verbatim_default_value()
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# File lib/protobuf/generators/field_generator.rb, line 138 def verbatim_default_value descriptor.default_value end