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// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <ctime>
#include <fstream>
#include <google/protobuf/util/time_util.h>
#include <iostream>
#include <string>
#include "addressbook.pb.h"
using google::protobuf::util::TimeUtil;
int printUsage(char *argv0)
{
std::cerr << "Usage: " << argv0 << "add|list ADDRESS_BOOK_FILE" << std::endl;
return -1;
}
std::string readString(const std::string &promt)
{
std::string result;
std::cout << promt;
std::getline(std::cin, result);
return result;
}
// This function fills in a Person message based on user input.
void promptForAddress(tutorial::Person* person)
{
std::cout << "Enter person ID number: ";
int id;
std::cin >> id;
person->set_id(id);
std::cin.ignore(256, '\n');
*person->mutable_name() = readString("Enter name: ");
const auto email = readString("Enter email address (blank for none): ");
if (!email.empty())
person->set_email(email);
while (true) {
const auto number = readString("Enter a phone number (or leave blank to finish): ");
if (number.empty())
break;
tutorial::Person::PhoneNumber *phone_number = person->add_phones();
phone_number->set_number(number);
const auto type = readString("Is this a mobile, home, or work phone? ");
if (type == "mobile")
phone_number->set_type(tutorial::Person::MOBILE);
else if (type == "home")
phone_number->set_type(tutorial::Person::HOME);
else if (type == "work")
phone_number->set_type(tutorial::Person::WORK);
else
std::cout << "Unknown phone type. Using default." << std::endl;
}
*person->mutable_last_updated() = TimeUtil::SecondsToTimestamp(time(NULL));
}
// Iterates though all people in the AddressBook and prints info about them.
void listPeople(const tutorial::AddressBook& address_book)
{
for (int i = 0; i < address_book.people_size(); i++) {
const tutorial::Person& person = address_book.people(i);
std::cout << "Person ID: " << person.id() << std::endl;
std::cout << " Name: " << person.name() << std::endl;
if (!person.email().empty()) {
std::cout << " E-mail address: " << person.email() << std::endl;
}
for (int j = 0; j < person.phones_size(); j++) {
const tutorial::Person::PhoneNumber& phone_number = person.phones(j);
switch (phone_number.type()) {
case tutorial::Person::MOBILE:
std::cout << " Mobile phone #: ";
break;
case tutorial::Person::HOME:
std::cout << " Home phone #: ";
break;
case tutorial::Person::WORK:
std::cout << " Work phone #: ";
break;
default:
std::cout << " Unknown phone #: ";
break;
}
std::cout << phone_number.number() << std::endl;
}
if (person.has_last_updated()) {
std::cout << " Updated: " << TimeUtil::ToString(person.last_updated()) << std::endl;
}
}
}
int main(int argc, char* argv[]) {
// Verify that the version of the library that we linked against is
// compatible with the version of the headers we compiled against.
GOOGLE_PROTOBUF_VERIFY_VERSION;
if (argc != 3)
return printUsage(argv[0]);
tutorial::AddressBook address_book;
// Read the existing address book.
std::fstream input(argv[2], std::ios::in | std::ios::binary);
if (!input) {
std::cout << argv[2] << ": File not found." << std::endl;
} else if (!address_book.ParseFromIstream(&input)) {
std::cerr << "Failed to parse address book." << std::endl;
return -1;
}
const std::string mode(argv[1]);
if (mode == "add") {
// Add an address.
promptForAddress(address_book.add_people());
if (!input)
std::cout << "Creating a new file." << std::endl;
// Write the new address book back to disk.
std::fstream output(argv[2], std::ios::out | std::ios::trunc | std::ios::binary);
if (!address_book.SerializeToOstream(&output)) {
std::cerr << "Failed to write address book." << std::endl;
return -1;
}
} else if (mode == "list") {
listPeople(address_book);
} else {
return printUsage(argv[0]);
}
// Optional: Delete all global objects allocated by libprotobuf.
google::protobuf::ShutdownProtobufLibrary();
return 0;
}
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