Class: FileDescriptorToRuby

Inherits:
Struct
  • Object
show all
Includes:
FieldDescriptorProto::Label, FieldDescriptorProto::Type
Defined in:
lib/protocol_buffers/compiler/file_descriptor_to_ruby.rb

Constant Summary

Constants included from FieldDescriptorProto::Label

FieldDescriptorProto::Label::LABEL_OPTIONAL, FieldDescriptorProto::Label::LABEL_REPEATED, FieldDescriptorProto::Label::LABEL_REQUIRED

Constants included from FieldDescriptorProto::Type

FieldDescriptorProto::Type::TYPE_BOOL, FieldDescriptorProto::Type::TYPE_BYTES, FieldDescriptorProto::Type::TYPE_DOUBLE, FieldDescriptorProto::Type::TYPE_ENUM, FieldDescriptorProto::Type::TYPE_FIXED32, FieldDescriptorProto::Type::TYPE_FIXED64, FieldDescriptorProto::Type::TYPE_FLOAT, FieldDescriptorProto::Type::TYPE_GROUP, FieldDescriptorProto::Type::TYPE_INT32, FieldDescriptorProto::Type::TYPE_INT64, FieldDescriptorProto::Type::TYPE_MESSAGE, FieldDescriptorProto::Type::TYPE_SFIXED32, FieldDescriptorProto::Type::TYPE_SFIXED64, FieldDescriptorProto::Type::TYPE_SINT32, FieldDescriptorProto::Type::TYPE_SINT64, FieldDescriptorProto::Type::TYPE_STRING, FieldDescriptorProto::Type::TYPE_UINT32, FieldDescriptorProto::Type::TYPE_UINT64

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(descriptor) ⇒ FileDescriptorToRuby

Returns a new instance of FileDescriptorToRuby.


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# File 'lib/protocol_buffers/compiler/file_descriptor_to_ruby.rb', line 9

def initialize(descriptor)
  super
  @package = capfirst(descriptor.package_)
  @ns = []
end

Instance Attribute Details

#descriptorObject

Returns the value of attribute descriptor

Returns:

  • (Object)

    the current value of descriptor


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# File 'lib/protocol_buffers/compiler/file_descriptor_to_ruby.rb', line 4

def descriptor
  @descriptor
end

Instance Method Details

#write(io) ⇒ Object


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# File 'lib/protocol_buffers/compiler/file_descriptor_to_ruby.rb', line 15

def write(io)
  @io = io

  @io.write <<HEADER
#!/usr/bin/env ruby
# Generated by the protocol buffer compiler. DO NOT EDIT!

require 'protocol_buffers'

HEADER
  descriptor.dependency.each do |dep|
    path = File.basename(dep, ".proto") + ".pb"
    @io.write("begin; require '#{path}'; rescue LoadError; end\n")
  end
  @io.write("\n") unless descriptor.dependency.empty?

  # in_namespace correctly handles the case where @package.nil?
  unless @package.empty?
    @io.write("# Reload support\nObject.__send__(:remove_const, :#{@package}) if defined?(#{@package})\n\n")
  end

  in_namespace("module", @package) do
    declare(descriptor.message_type, descriptor.enum_type)

    descriptor.message_type.each do |message|
      dump_message(message)
    end
  end

end