Added address book example

1 files changed, 55 insertions, 0 deletions

diff --git a/src/AddressBook/Program.cs b/src/AddressBook/Program.cs
new file mode 100644
index 00000000..b3e10cbb
--- /dev/null
+++ b/src/AddressBook/Program.cs
@@ -0,0 +1,55 @@
+using System;
+
+namespace Google.ProtocolBuffers.Examples.AddressBook
+{
+  /// <summary>
+  /// Entry point. Repeatedly prompts user for an action to take, delegating actual behaviour
+  /// to individual actions. Each action has its own Main method, so that it can be used as an
+  /// invidual complete program.
+  /// </summary>
+  class Program {
+    static int Main(string[] args) {
+      if (args.Length > 1) {
+        Console.Error.WriteLine("Usage: AddressBook [file]");
+        Console.Error.WriteLine("If the filename isn't specified, \"addressbook.data\" is used instead.");
+        return 1;
+      }
+      string addressBookFile = args.Length > 0 ? args[0] : "addressbook.data";
+
+      bool stopping = false;
+      while (!stopping) {
+        Console.WriteLine("Options:");
+        Console.WriteLine("  L: List contents");
+        Console.WriteLine("  A: Add new person");
+        Console.WriteLine("  Q: Quit");
+        Console.Write("Action? ");
+        Console.Out.Flush();
+        char choice = Console.ReadKey().KeyChar;
+        Console.WriteLine();
+        try {
+          switch (choice) {
+            case 'A':
+            case 'a':
+              AddPerson.Main(new string[] { addressBookFile });
+              break;
+            case 'L':
+            case 'l':
+              ListPeople.Main(new string[] { addressBookFile });
+              break;
+            case 'Q':
+            case 'q':
+              stopping = true;
+              break;
+            default:
+              Console.WriteLine("Unknown option: {0}", choice);
+              break;
+          }
+        } catch (Exception e) {
+          Console.WriteLine("Exception executing action: {0}", e);
+        }
+        Console.WriteLine();
+      } 
+      return 0;
+    }
+  }
+}
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