1 #region Copyright notice and license 2 // Protocol Buffers - Google's data interchange format 3 // Copyright 2008 Google Inc. All rights reserved. 4 // https://developers.google.com/protocol-buffers/ 5 // 6 // Redistribution and use in source and binary forms, with or without 7 // modification, are permitted provided that the following conditions are 8 // met: 9 // 10 // * Redistributions of source code must retain the above copyright 11 // notice, this list of conditions and the following disclaimer. 12 // * Redistributions in binary form must reproduce the above 13 // copyright notice, this list of conditions and the following disclaimer 14 // in the documentation and/or other materials provided with the 15 // distribution. 16 // * Neither the name of Google Inc. nor the names of its 17 // contributors may be used to endorse or promote products derived from 18 // this software without specific prior written permission. 19 // 20 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 #endregion 32 33 using System; 34 35 namespace Google.Protobuf.Examples.AddressBook 36 { 37 /// <summary> 38 /// Entry point. Repeatedly prompts user for an action to take, delegating actual behaviour 39 /// to individual actions. Each action has its own Main method, so that it can be used as an 40 /// invidual complete program. 41 /// </summary> 42 internal class Program 43 { Main(string[] args)44 private static int Main(string[] args) 45 { 46 if (args.Length > 1) 47 { 48 Console.Error.WriteLine("Usage: AddressBook [file]"); 49 Console.Error.WriteLine("If the filename isn't specified, \"addressbook.data\" is used instead."); 50 return 1; 51 } 52 string addressBookFile = args.Length > 0 ? args[0] : "addressbook.data"; 53 54 bool stopping = false; 55 while (!stopping) 56 { 57 Console.WriteLine("Options:"); 58 Console.WriteLine(" L: List contents"); 59 Console.WriteLine(" A: Add new person"); 60 Console.WriteLine(" Q: Quit"); 61 Console.Write("Action? "); 62 Console.Out.Flush(); 63 char choice = Console.ReadKey().KeyChar; 64 Console.WriteLine(); 65 try 66 { 67 switch (choice) 68 { 69 case 'A': 70 case 'a': 71 AddPerson.Main(new string[] {addressBookFile}); 72 break; 73 case 'L': 74 case 'l': 75 ListPeople.Main(new string[] {addressBookFile}); 76 break; 77 case 'Q': 78 case 'q': 79 stopping = true; 80 break; 81 default: 82 Console.WriteLine("Unknown option: {0}", choice); 83 break; 84 } 85 } 86 catch (Exception e) 87 { 88 Console.WriteLine("Exception executing action: {0}", e); 89 } 90 Console.WriteLine(); 91 } 92 return 0; 93 } 94 } 95 }