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authorrowanbeentje <rowan@beent.je>2012-02-23 02:13:56 +0000
committerrowanbeentje <rowan@beent.je>2012-02-23 02:13:56 +0000
commit05f1612cbb7e33cf9135a346fc2505cc0e87e853 (patch)
tree785824be4e44a61389271343d958851fa4ff7dd0 /Source/SPObjectAdditions.m
parenta889340b9cb1eca0d3ff022e8e6e2c718480bf44 (diff)
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Warning: this branch commit is largely untested, and known to throw exceptions as database structure retrieval is currently missing!
Further work on SPMySQLFramework integration: - Improve SPMySQL framework build settings including correct ppc builds and a Distribution configuration for the build distributions to match - Add new convenience querying and result methods to the framework - Amend Sequel Pro source to use the new SPMySQL.framework methods everywhere, replacing MCPKit methods where they differ and improving some functions - Remove MCPKit from the source - Fix a number of warnings on Release-style builds
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+//
+// $Id$
+//
+// SPObjectAdditions.m
+// sequel-pro
+//
+// Created by Rowan Beentje (rowan.beent.je) on February 22, 2012
+// Copyright (c) 2012 Rowan Beentje. All rights reserved.
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// More info at <http://code.google.com/p/sequel-pro/>
+
+@implementation NSObject (SPObjectAdditions)
+
+/**
+ * Detect whether an object is a NSNull instance
+ */
+- (BOOL)isNSNull
+{
+ id const null = [NSNull null];
+
+ // [NSNull null] is documented as being a singleton class so a pointer equality
+ // check is possible - and much faster than checking class membership.
+ return (self == null);
+}
+
+@end