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using System;
using System.IO;
namespace Google.ProtocolBuffers.Examples.AddressBook {
class ListPeople {
/// <summary>
/// Iterates though all people in the AddressBook and prints info about them.
/// </summary>
static void Print(AddressBook addressBook) {
foreach (Person person in addressBook.PersonList) {
Console.WriteLine("Person ID: {0}", person.Id);
Console.WriteLine(" Name: {0}", person.Name);
if (person.HasEmail) {
Console.WriteLine(" E-mail address: {0}", person.Email);
}
foreach (Person.Types.PhoneNumber phoneNumber in person.PhoneList) {
switch (phoneNumber.Type) {
case Person.Types.PhoneType.MOBILE:
Console.Write(" Mobile phone #: ");
break;
case Person.Types.PhoneType.HOME:
Console.Write(" Home phone #: ");
break;
case Person.Types.PhoneType.WORK:
Console.Write(" Work phone #: ");
break;
}
Console.WriteLine(phoneNumber.Number);
}
}
}
/// <summary>
/// Entry point - loads the addressbook and then displays it.
/// </summary>
public static int Main(string[] args) {
if (args.Length != 1) {
Console.Error.WriteLine("Usage: ListPeople ADDRESS_BOOK_FILE");
return 1;
}
if (!File.Exists(args[0])) {
Console.WriteLine("{0} doesn't exist. Add a person to create the file first.", args[0]);
return 0;
}
// Read the existing address book.
using (Stream stream = File.OpenRead(args[0])) {
AddressBook addressBook = AddressBook.ParseFrom(stream);
Print(addressBook);
}
return 0;
}
}
}
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