RProtoBuf (version 0.1-0)

addPerson: Add or remove another person to the the address book example for ProtoBuf

Description

This function provides another simple example for using ProtoBuf generated accessor functions to store ProtoBuf data from R in the addPerson function. For completeness, clearPerson also allows to remove a person given an id.

Usage

addPerson(filename, id, name, emails, phones)
  clearPerson(filename, id)

Arguments

filename

complete path to a binary addressbook written in function built from the addressbook.proto description; an example file is used is no argument is supplied

id

numeric id of the person record

name

first and last name as a character string

emails

character vector of emails addressess, can be zero

phones

named character vector of phone numbers, can be zero; with names one of 'work', 'home' or 'mobile'

Value

• A status code of zero is returned on completion..

Details

This function provides an implementation of the add_person.cc example provided with the ProtoBuf compiler.

Protocol Buffers is a serialization format with an interface description language developed by Google. The original Google implementation for C++, Java and Python is available under the BSD license at http://code.google.com/p/protobuf/. A good description of Protocol Buffers is available at http://en.wikipedia.org/wiki/Protocol_Buffers.

This function is a first attempt of exporting binary data R into ProtoBuf files.

Examples

addPerson(system.file("examples/AddressBookFile", package="RProtoBuf"),
            7, "James Bond", "[e-mail]", c("home"="[phone]", "work"="[phone]"))
  clearPerson(system.file("examples/AddressBookFile", package="RProtoBuf"), 3)