From 3aaafb7ffb3cc335d837f90b60e1ba3d5c692c18 Mon Sep 17 00:00:00 2001
From: John Reese <jreese@leetcode.net>
Date: Thu, 13 Jan 2011 22:52:50 -0500
Subject: [PATCH] Implemented UNSET command to restore default values

---
 README.md  |  4 ++++
 notifo.cpp | 41 +++++++++++++++++++++++++++++++++++------
 2 files changed, 39 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index 2e755b1..5583f9a 100644
--- a/README.md
+++ b/README.md
@@ -49,6 +49,10 @@ Commands
 
     Allows you to see current configuration values.
 
+*   `unset <option>`
+
+    Allows you to reset a configuration option back to the default value.
+
 *   `status`
 
     Check the status of current conditions.
diff --git a/notifo.cpp b/notifo.cpp
index 340cba4..fa67fdb 100644
--- a/notifo.cpp
+++ b/notifo.cpp
@@ -47,6 +47,7 @@ class CNotifoMod : public CModule
 
 		// Configuration options
 		MCString options;
+		MCString defaults;
 
 	public:
 
@@ -69,15 +70,15 @@ class CNotifoMod : public CModule
 			user = GetUser();
 
 			// Notifo user account and secret
-			options["username"] = "";
-			options["secret"] = "";
+			defaults["username"] = "";
+			defaults["secret"] = "";
 
 			// Notification conditions
-			options["client_count_less_than"] = "0";
+			defaults["client_count_less_than"] = "0";
 
 			// Notification settings
-			options["message_length"] = "100";
-			options["message_uri"] = "";
+			defaults["message_length"] = "100";
+			defaults["message_uri"] = "";
 		}
 		virtual ~CNotifoMod() {}
 
@@ -237,13 +238,17 @@ class CNotifoMod : public CModule
 		 */
 		bool OnLoad(const CString& args, CString& message)
 		{
-			for (MCString::iterator i = options.begin(); i != options.end(); i++)
+			for (MCString::iterator i = defaults.begin(); i != defaults.end(); i++)
 			{
 				CString value = GetNV(i->first);
 				if (value != "")
 				{
 					options[i->first] = value;
 				}
+				else
+				{
+					options[i->first] = defaults[i->first];
+				}
 			}
 
 			authencode();
@@ -377,6 +382,30 @@ class CNotifoMod : public CModule
 					authencode();
 				}
 			}
+			// UNSET command
+			else if (action == "unset")
+			{
+				if (token_count != 2)
+				{
+					PutModule("Usage: unset <option>");
+					return;
+				}
+
+				CString option = tokens[1].AsLower();
+				MCString::iterator pos = options.find(option);
+
+				if (pos == options.end())
+				{
+					PutModule("Error: invalid option name");
+				}
+				else
+				{
+					options[option] = defaults[option];
+					DelNV(option);
+
+					authencode();
+				}
+			}
 			// GET command
 			else if (action == "get")
 			{