What's this?Protocol Buffers for Ruby.

Sourcehttp://code.google.com/p/ruby-protobuf/source/browse/#svn/trunk/lib/protobuf http://github.com/macks/ruby-protobuf (experimental) Installsudo gem install ruby_protobufQuick ExamplesGenerate Ruby CodeA .proto file like this:

package tutorial;

message Person {
required string name = 1;
required int32 id = 2;
optional string email = 3;
}generates ruby code like this:

module Tutorial
class Person < ::Protobuf::Message
required :string, :name, 1
required :int32, :id, 2
optional :string, :email, 3
end
endby the command:

rprotoc PROTOFILEUse Generated Ruby CodeSerialize a Messageperson = Tutorial::Person.new
person.id = 1234
person.name = 'John Doe'
person.email = 'jdoe@example.com'
phone = Tutorial::Person::PhoneNumber.new
phone.number = '555-4321'
phone.type = Tutorial::Person::PhoneType::HOME
person.phone << phone
serialized_string = person.serialize_to_string

1. person.serialize_to_file('person.dat')Parse a Serialized String/Fileperson = Tutorial::Person.new
   person.parse_from_string(serialized_string)
   #person.parse_from_file('person.dat')

assert_equal(1234, person.id)
assert_equal('John Doe', person.name)
assert_equal('jdoe@example.com', person.email)
assert_equal(1, person.phone.size)
assert_equal('555-4321', person.phone⁰.number)
assert_equal(Tutorial::Person::PhoneType::HOME, person.phone⁰.type)For more examples, see the tutorial.