NSPointerFunctions added

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@27655 72102866-910b-0410-8b05-ffd578937521

ChangeLog

@@ -8,6 +8,10 @@
 	* Headers/Foundation/NSGarbageCollector.h: Improve documentation.
 	* Source/NSAutoreleasePool.m: ([-drain[) Implemented.
 	* Headers/Foundation/NSAutoreleasePool.m: ([-drain]) fix comment.
+	* Source/NSPointerFunctions.m: New class implementation
+	* Headers/Foundation/NSPointerFunctions.h: Fix some declarations
+	* Headers/Foundation/Foundation.h: Include NSPointerFunctions.h
+	* Source/GNUmakefile: Build and install NSPointerFunctions
 
 2009-01-21  Richard Frith-Macdonald <rfm@gnu.org>
 

Headers/Foundation/Foundation.h

@@ -85,6 +85,7 @@
 #import	<Foundation/NSNull.h>
 #import	<Foundation/NSNumberFormatter.h>
 #import	<Foundation/NSPathUtilities.h>
+#import	<Foundation/NSPointerFunctions.h>
 #import	<Foundation/NSPortCoder.h>
 #import	<Foundation/NSPortMessage.h>
 #import	<Foundation/NSPortNameServer.h>

Headers/Foundation/NSPointerFunctions.h

@@ -45,7 +45,7 @@ enum {
   NSPointerFunctionsStrongMemory = (0<<0),
 
   /** Garbage collected weak references */
-  NSPointerFunctionsZeroingWeakgMemory = (1<<0),
+  NSPointerFunctionsZeroingWeakMemory = (1<<0),
 
   /** Non-GC memory */
   NSPointerFunctionsOpaqueMemory = (2<<0),
@@ -86,7 +86,7 @@ enum {
   NSPointerFunctionsIntegerPersonality = (5<<8),
 
 
-  /** Request the memory aquire function to allocate/copy items.
+  /** Request the memory acquire function to allocate/copy items.
    */
   NSPointerFunctionsCopyIn = (1<<16)
 };
@@ -103,7 +103,7 @@ typedef	NSUInteger NSPointerFunctionsOptions;
 - (id) initWithOptions: (NSPointerFunctionsOptions)options;
 
 - (void* (*)(const void *item,
-  NSUInteger (*size)(const void *item), BOOL shouldCopy)) aquireFunction;
+  NSUInteger (*size)(const void *item), BOOL shouldCopy)) acquireFunction;
 
 - (NSString (*)(const void *item)) descriptionFunction;
 
@@ -127,8 +127,8 @@ typedef	NSUInteger NSPointerFunctionsOptions;
 - (void) setIsEqualFunction: (BOOL (*)(const void *item1, const void *item2,
   NSUInteger (*size)(const void *item)))func;
 
-- (void) setRelinquishFunction: (NSUInteger (*)(const void *item,
+- (void) setRelinquishFunction: (void (*)(const void *item,
-  NSUInteger (*size)(const void *item)))func;
+  NSUInteger (*size)(const void *item))) func;
 
 - (void) setSizeFunction: (NSUInteger (*)(const void *item))func;
 
@@ -140,7 +140,7 @@ typedef	NSUInteger NSPointerFunctionsOptions;
 
 - (BOOL) usesStrongWriteBarrier;
 
-- (BOOL) usesWeak ReadAndWriteBarriers;
+- (BOOL) usesWeakReadAndWriteBarriers;
 
 @end
 

Source/GNUmakefile

@@ -223,6 +223,7 @@ NSObject+NSComparisonMethods.m \
 NSPage.m \
 NSPathUtilities.m \
 NSPipe.m \
+NSPointerFunctions.m \
 NSPort.m \
 NSPortCoder.m \
 NSPortMessage.m \
@@ -360,6 +361,7 @@ NSNumberFormatter.h \
 NSObjCRuntime.h \
 NSObject.h \
 NSPathUtilities.h \
+NSPointerFunctions.h \
 NSPortCoder.h \
 NSPort.h \
 NSPortMessage.h \

Source/NSPointerFunctions.m

@@ -0,0 +1,175 @@
+/**Implementation for NSPointerFunctions for GNUStep
+   Copyright (C) 2009 Free Software Foundation, Inc.
+
+   Written by:  Richard Frith-Macdonald <rfm@gnu.org>
+   Date:	2009
+   
+   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., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02111 USA.
+
+   */ 
+
+#import	"Foundation/NSPointerFunctions.h"
+
+typedef struct {
+  NSUInteger	options;
+
+  void* (*acquireFunction)(const void *item,
+    NSUInteger (*size)(const void *item), BOOL shouldCopy);
+
+  NSString (*descriptionFunction)(const void *item);
+
+  NSUInteger (*hashFunction)(const void *item,
+    NSUInteger (*size)(const void *item));
+
+  BOOL (*isEqualFunction)(const void *item1, const void *item2,
+    NSUInteger (*size)(const void *item));
+
+  void (*relinquishFunction)(const void *item,
+    NSUInteger (*size)(const void *item));
+
+  NSUInteger (*sizeFunction)(const void *item);
+
+  BOOL usesStrongWriteBarrier;
+
+  BOOL usesWeakReadAndWriteBarriers;
+} _internal;
+
+#define	_options		((_internal*)(self+1))->options
+#define	_acquireFunction	((_internal*)(self+1))->acquireFunction
+#define	_descriptionFunction	((_internal*)(self+1))->descriptionFunction
+#define	_hashFunction		((_internal*)(self+1))->hashFunction
+#define	_isEqualFunction	((_internal*)(self+1))->isEqualFunction
+#define	_relinquishFunction	((_internal*)(self+1))->relinquishFunction
+#define	_sizeFunction		((_internal*)(self+1))->sizeFunction
+#define	_usesStrongWriteBarrier	((_internal*)(self+1))->usesStrongWriteBarrier
+#define	_usesWeakReadAndWriteBarriers	((_internal*)(self+1))->usesWeakReadAndWriteBarriers
+
+
+@implementation NSPointerFunctions
+
++ (id) allocWithZone: (NSZone*)zone
+{
+  return (id) NSAllocateObject(self, sizeof(_internal), zone);
+}
+
++ (id) pointerFunctionsWithOptions: (NSPointerFunctionsOptions)options
+{
+  return AUTORELEASE([[self alloc] initWithOptions: options]);
+}
+
+- (id) copyWithZone: (NSZone*)zone
+{
+  return NSCopyObject(self, sizeof(_internal), zone);
+}
+
+- (id) initWithOptions: (NSPointerFunctionsOptions)options
+{
+  _options = options;
+  return self;
+}
+
+- (void* (*)(const void *item,
+  NSUInteger (*size)(const void *item), BOOL shouldCopy)) acquireFunction
+{
+  return _acquireFunction;
+}
+
+- (NSString (*)(const void *item)) descriptionFunction
+{
+  return _descriptionFunction;
+}
+
+- (NSUInteger (*)(const void *item,
+  NSUInteger (*size)(const void *item))) hashFunction
+{
+  return _hashFunction;
+}
+
+- (BOOL (*)(const void *item1, const void *item2,
+  NSUInteger (*size)(const void *item))) isEqualFunction
+{
+  return _isEqualFunction;
+}
+
+- (void (*)(const void *item,
+  NSUInteger (*size)(const void *item))) relinquishFunction
+{
+  return _relinquishFunction;
+}
+
+- (void) setAcquireFunction: (void* (*)(const void *item,
+  NSUInteger (*size)(const void *item), BOOL shouldCopy))func
+{
+  _acquireFunction = func;
+}
+
+- (void) setDescriptionFunction: (NSString (*)(const void *item))func
+{
+  _descriptionFunction = func;
+}
+
+- (void) setHashFunction: (NSUInteger (*)(const void *item,
+  NSUInteger (*size)(const void *item)))func
+{
+  _hashFunction = func;
+}
+
+- (void) setIsEqualFunction: (BOOL (*)(const void *item1, const void *item2,
+  NSUInteger (*size)(const void *item)))func
+{
+  _isEqualFunction = func;
+}
+
+- (void) setRelinquishFunction: (void (*)(const void *item,
+  NSUInteger (*size)(const void *item))) func
+{
+  _relinquishFunction = func;
+}
+
+- (void) setSizeFunction: (NSUInteger (*)(const void *item))func
+{
+  _sizeFunction = func;
+}
+
+- (void) setUsesStrongWriteBarrier: (BOOL)flag
+{
+  _usesStrongWriteBarrier = flag;
+}
+
+- (void) setUsesWeakReadAndWriteBarriers: (BOOL)flag
+{
+  _usesWeakReadAndWriteBarriers = flag;
+}
+
+- (NSUInteger (*)(const void *item)) sizeFunction
+{
+  return _sizeFunction;
+}
+
+- (BOOL) usesStrongWriteBarrier
+{
+  return _usesStrongWriteBarrier;
+}
+
+- (BOOL) usesWeakReadAndWriteBarriers
+{
+  return _usesStrongWriteBarrier;
+}
+
+@end
+