rust/example/addressbook/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.

zap::generated_code!(pub mod addressbook_zap);

pub mod addressbook {
    use crate::addressbook_zap::{address_book, person};
    use zap::serialize_packed;

    pub fn write_address_book() -> ::zap::Result<()> {
        let mut message = ::zap::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("[email protected]");

        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("[email protected]");

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

        for person in address_book.get_people()? {
            println!(
                "{}: {}",
                person.get_name()?.to_str()?,
                person.get_email()?.to_str()?
            );
            for phone in person.get_phones()? {
                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(::zap::NotInSchema(_)) => "UNKNOWN",
                };
                println!("  {} phone: {}", type_name, phone.get_number()?.to_str()?);
            }
            match person.get_employment().which() {
                Ok(person::employment::Unemployed(())) => {
                    println!("  unemployed");
                }
                Ok(person::employment::Employer(employer)) => {
                    println!("  employer: {}", employer?.to_str()?);
                }
                Ok(person::employment::School(school)) => {
                    println!("  student at: {}", school?.to_str()?);
                }
                Ok(person::employment::SelfEmployed(())) => {
                    println!("  self-employed");
                }
                Err(::zap::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")
            }
        }
    }
}