addressbook.rs

// Copyright (c) 2013-2014 Sandstorm Development Group, Inc. and contributors
// Licensed under the MIT License:
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

pub mod addressbook_capnp {
  include!(concat!(env!("OUT_DIR"), "/addressbook_capnp.rs"));
}

pub mod addressbook {
    use crate::addressbook_capnp::{address_book, person};
    use capnp::serialize_packed;

    pub fn write_address_book() -> ::capnp::Result<()> {
        let mut message = ::capnp::message::Builder::new_default();
        {
            let address_book = message.init_root::<address_book::Builder>();

            let mut people = address_book.init_people(2);

            {
                let mut alice = people.reborrow().get(0);
                alice.set_id(123);
                alice.set_name("Alice");
                alice.set_email("alice@example.com");
                {
                    let mut alice_phones = alice.reborrow().init_phones(1);
                    alice_phones.reborrow().get(0).set_number("555-1212");
                    alice_phones.reborrow().get(0).set_type(person::phone_number::Type::Mobile);
                }
                alice.get_employment().set_school("MIT");
            }

            {
                let mut bob = people.get(1);
                bob.set_id(456);
                bob.set_name("Bob");
                bob.set_email("bob@example.com");
                {
                    let mut bob_phones = bob.reborrow().init_phones(2);
                    bob_phones.reborrow().get(0).set_number("555-4567");
                    bob_phones.reborrow().get(0).set_type(person::phone_number::Type::Home);
                    bob_phones.reborrow().get(1).set_number("555-7654");
                    bob_phones.reborrow().get(1).set_type(person::phone_number::Type::Work);
                }
                bob.get_employment().set_unemployed(());
            }
        }

        serialize_packed::write_message(&mut ::std::io::stdout(), &message)
    }

    pub fn print_address_book() -> ::capnp::Result<()> {
        let stdin = ::std::io::stdin();
        let message_reader = serialize_packed::read_message(&mut stdin.lock(),
                                                            ::capnp::message::ReaderOptions::new())?;
        let address_book = message_reader.get_root::<address_book::Reader>()?;

        for person in address_book.get_people()?.iter() {
            println!("{}: {}", person.get_name()?, person.get_email()?);
            for phone in person.get_phones()?.iter() {
                let type_name = match phone.get_type() {
                    Ok(person::phone_number::Type::Mobile) => "mobile",
                    Ok(person::phone_number::Type::Home) => "home",
                    Ok(person::phone_number::Type::Work) => "work",
                    Err(::capnp::NotInSchema(_)) => "UNKNOWN",
                };
                println!("  {} phone: {}", type_name, phone.get_number()?);
            }
            match person.get_employment().which() {
                Ok(person::employment::Unemployed(())) => {
                    println!("  unemployed");
                }
                Ok(person::employment::Employer(employer)) => {
                    println!("  employer: {}", employer?);
                }
                Ok(person::employment::School(school)) => {
                    println!("  student at: {}", school?);
                }
                Ok(person::employment::SelfEmployed(())) => {
                    println!("  self-employed");
                }
                Err(::capnp::NotInSchema(_)) => { }
            }
        }
        Ok(())
    }
}

pub fn main() {

    let args : Vec<String> = ::std::env::args().collect();
    if args.len() < 2 {
        println!("usage: $ {} [write | read]", args[0]);
    } else {
        match &*args[1] {
            "write" => addressbook::write_address_book().unwrap(),
            "read" =>  addressbook::print_address_book().unwrap(),
            _ => {println!("unrecognized argument") }
        }
    }

}