Add convenience methods to perform a method as an operation

Headers/GNUstepBase/Additions.h

@@ -50,6 +50,7 @@
 #import	<GNUstepBase/NSNetServices+GNUstepBase.h>
 #import	<GNUstepBase/NSNumber+GNUstepBase.h>
 #import	<GNUstepBase/NSObject+GNUstepBase.h>
+#import	<GNUstepBase/NSOperationQueue+GNUstepBase.h>
 #import	<GNUstepBase/NSProcessInfo+GNUstepBase.h>
 #import	<GNUstepBase/NSStream+GNUstepBase.h>
 #import	<GNUstepBase/NSString+GNUstepBase.h>

Headers/GNUstepBase/NSOperationQueue+GNUstepBase.h

@@ -0,0 +1,60 @@
+/** Declaration of extension methods for base additions
+
+   Copyright (C) 2025 Free Software Foundation, Inc.
+
+   Written by:  Richard Frith-Macdonald <rfm@gnu.org>
+
+   This file is part of the GNUstep Base Library.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 31 Milk Street #960789 Boston, MA 02196 USA.
+
+*/
+
+#ifndef	INCLUDED_NSOperationQueue_GNUstepBase_h
+#define	INCLUDED_NSOperationQueue_GNUstepBase_h
+
+#import <GNUstepBase/GSVersionMacros.h>
+#import <Foundation/NSOperation.h>
+
+#if	defined(__cplusplus)
+extern "C" {
+#endif
+
+#if	OS_API_VERSION(GS_API_NONE,GS_API_LATEST)
+
+@interface NSOperationQueue (GNUstepBase)
+
+- (void) addOperationWithTarget: (id<NSObject>)aTarget
+		performSelector: (SEL)aSelector
+		     withObject: (id<NSObject>)object1
+		     withObject: (id<NSObject>)object2;
+
+- (void) addOperationWithTarget: (id<NSObject>)aTarget
+		performSelector: (SEL)aSelector
+		     withObject: (id<NSObject>)object1;
+
+- (void) addOperationWithTarget: (id<NSObject>)aTarget
+		performSelector: (SEL)aSelector;
+
+@end
+
+#endif	/* OS_API_VERSION */
+
+#if	defined(__cplusplus)
+}
+#endif
+
+#endif	/* INCLUDED_NSOperationQueue_GNUstepBase_h */
+

Source/Additions/GNUmakefile

@@ -54,6 +54,7 @@ Additions_OBJC_FILES =\
 	NSMutableString+GNUstepBase.m \
 	NSNumber+GNUstepBase.m \
 	NSObject+GNUstepBase.m \
+	NSOperationQueue+GNUstepBase.m \
 	NSPropertyList+GNUstepBase.m \
 	NSProcessInfo+GNUstepBase.m \
 	NSStream+GNUstepBase.m \

Source/Additions/NSOperationQueue+GNUstepBase.m

@@ -0,0 +1,159 @@
+/* Implementation of extension methods to base additions
+
+   Copyright (C) 2025 Free Software Foundation, Inc.
+
+   Written by:  Richard Frith-Macdonald <rfm@gnu.org>
+
+   This file is part of the GNUstep Base Library.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 31 Milk Street #960789 Boston, MA 02196 USA.
+
+*/
+#import "../common.h"
+#import "Foundation/NSObject.h"
+#import "Foundation/NSOperation.h"
+#import "GNUstepBase/NSOperationQueue+GNUstepBase.h"
+
+
+@interface GSTargetOperation : NSOperation
+{
+  id<NSObject>	target;
+  SEL		selector;
+  id<NSObject>	o1;
+  id<NSObject>	o2;
+  enum {
+    argc_zero = 0,
+    argc_one = 1,
+    argc_two = 2
+  } argc;
+}
++ (instancetype) operationWithTarget: (id<NSObject>)aTarget
+		     performSelector: (SEL)aSelector
+			  withObject: (id<NSObject>)object1
+			  withObject: (id<NSObject>)object2;
++ (instancetype) operationWithTarget: (id<NSObject>)aTarget
+		     performSelector: (SEL)aSelector
+			  withObject: (id<NSObject>)object1;
++ (instancetype) operationWithTarget: (id<NSObject>)aTarget
+		     performSelector: (SEL)aSelector;
+@end
+
+/**
+ * Extension methods for the NSObjectQueue class
+ */
+@implementation NSOperationQueue (GNUstepBase)
+
+- (void) addOperationWithTarget: (id<NSObject>)aTarget
+		performSelector: (SEL)aSelector
+		     withObject: (id<NSObject>)object1
+		     withObject: (id<NSObject>)object2
+{
+  GSTargetOperation *top = [GSTargetOperation operationWithTarget: aTarget
+						  performSelector: aSelector
+						       withObject: object1
+						       withObject: object2];
+  [self addOperation: top];
+}
+
+- (void) addOperationWithTarget: (id<NSObject>)aTarget
+		performSelector: (SEL)aSelector
+		     withObject: (id<NSObject>)object1
+{
+  GSTargetOperation *top = [GSTargetOperation operationWithTarget: aTarget
+						  performSelector: aSelector
+						       withObject: object1];
+  [self addOperation: top];
+}
+
+- (void) addOperationWithTarget: (id<NSObject>)aTarget
+		performSelector: (SEL)aSelector
+{
+  GSTargetOperation *top = [GSTargetOperation operationWithTarget: aTarget
+						  performSelector: aSelector];
+  [self addOperation: top];
+}
+
+@end
+
+
+@implementation GSTargetOperation
+
++ (instancetype) operationWithTarget: (id<NSObject>)aTarget
+		     performSelector: (SEL)aSelector
+			  withObject: (id<NSObject>)object1
+			  withObject: (id<NSObject>)object2
+{
+  GSTargetOperation *op = [[self alloc] init];
+
+  op->target = RETAIN(aTarget);
+  op->selector = aSelector;
+  op->o1 = RETAIN(object1);
+  op->o2 = RETAIN(object2);
+  op->argc = argc_two;
+  return AUTORELEASE(op);
+}
+
++ (instancetype) operationWithTarget: (id<NSObject>)aTarget
+		     performSelector: (SEL)aSelector
+			  withObject: (id<NSObject>)object1
+{
+  GSTargetOperation *op = [[self alloc] init];
+
+  op->target = RETAIN(aTarget);
+  op->selector = aSelector;
+  op->o1 = RETAIN(object1);
+  op->o2 = nil;
+  op->argc = argc_one;
+  return AUTORELEASE(op);
+}
+
++ (instancetype) operationWithTarget: (id<NSObject>)aTarget
+		     performSelector: (SEL)aSelector
+{
+  GSTargetOperation *op = [[self alloc] init];
+
+  op->target = RETAIN(aTarget);
+  op->selector = aSelector;
+  op->o1 = nil;
+  op->o2 = nil;
+  op->argc = argc_zero;
+  return AUTORELEASE(op);
+}
+
+- (void) dealloc
+{
+  RELEASE(target);
+  if (argc > 0) RELEASE(o1);
+  if (argc > 1) RELEASE(o2);
+  DEALLOC
+}
+
+- (void) main
+{
+  switch (argc)
+    {
+      case argc_two:
+	[target performSelector: selector withObject: o1 withObject: o2];
+	return;
+      case argc_one:
+	[target performSelector: selector withObject: o1];
+	return;
+      case argc_zero:
+	[target performSelector: selector];
+	return;
+    }
+}
+@end
+

Source/DocMakefile

@@ -228,6 +228,7 @@ NSFileHandle+GNUstepBase.h \
 NSMutableString+GNUstepBase.h \
 NSNumber+GNUstepBase.h \
 NSObject+GNUstepBase.h \
+NSOperationQueue+GNUstepBase.h \
 NSProcessInfo+GNUstepBase.h \
 NSString+GNUstepBase.h \
 NSTask+GNUstepBase.h \

Source/GNUmakefile

@@ -144,6 +144,7 @@ NSMutableString+GNUstepBase.h \
 NSNetServices+GNUstepBase.h \
 NSNumber+GNUstepBase.h \
 NSObject+GNUstepBase.h \
+NSOperationQueue+GNUstepBase.h \
 NSProcessInfo+GNUstepBase.h \
 NSStream+GNUstepBase.h \
 NSString+GNUstepBase.h \