Inital commit of partial implementation of MacOS-X compatible keyed archiving.

Experimental ... archiving is implemented aand tested for xml format output. Unarchiving is not yet implemented. git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@18450 72102866-910b-0410-8b05-ffd578937521
2025-05-30 16:30:41 +00:00 · 2004-01-22 09:37:07 +00:00 · 2004-01-22 09:37:07 +00:00 · de07b9271b
commit de07b9271b
parent 2d361f1ad9
12 changed files with 3927 additions and 30 deletions
--- a/Source/NSKeyedUnarchiver.m
+++ b/Source/NSKeyedUnarchiver.m
@ -0,0 +1,230 @@
+/** Implementation for NSKeyedUnarchiver for GNUStep
+   Copyright (C) 2004 Free Software Foundation, Inc.
+
+   Written by:  Richard Frith-Macdonald <rfm@gnu.org>
+   Date: January 2004
+   
+   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 Library 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 Library General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
+
+   */ 
+
+#include <Foundation/NSAutoreleasePool.h>
+#include <Foundation/NSData.h>
+#include <Foundation/NSException.h>
+#include <Foundation/NSMapTable.h>
+
+#include <GNUstepBase/GSIArray.h>
+#include <GNUstepBase/GSIMap.h>
+
+#define	_IN_NSKEYEDUNARCHIVER_M	1
+#include <Foundation/NSKeyedArchiver.h>
+#undef	_IN_NSKEYEDUNARCHIVER_M
+
+static NSMapTable	globalClassMap = 0;
+
+NSString * const NSInvalidUnarchiveOperationException
+  = @"NSInvalidUnarchiveOperationException";
+
+@implementation NSKeyedUnarchiver
+
+ (Class) classForClassName: (NSString*)aString
+{
+  return (Class)NSMapGet(globalClassMap, (void*)aString);
+}
+
+ (void) initialize
+{
+  if (globalClassMap == 0)
+    {
+      globalClassMap = 
+	NSCreateMapTable(NSObjectMapKeyCallBacks,
+			  NSNonOwnedPointerMapValueCallBacks, 0);
+    }
+}
+
+ (void) setClass: (Class)aClass forClassName: (NSString*)aString
+{
+  if (aClass == nil)
+    {
+      NSMapRemove(globalClassMap, (void*)aString);
+    }
+  else
+    {
+      NSMapInsert(globalClassMap, (void*)aString, aClass);
+    }
+}
+
+/*
+ * When I tried this on MacOS 10.3 it encoded the object with the key 'root',
+ * so this implementation does the same.
+ */
+ (id) unarchiveObjectWithData: (NSData*)data
+{
+  NSKeyedUnarchiver	*u = nil;
+  id			o = nil;
+
+  NS_DURING
+    {
+      u = [[NSKeyedUnarchiver alloc] initForReadingWithData: data];
+      o = RETAIN([u decodeObjectForKey: @"root"]);
+      [u finishDecoding];
+      DESTROY(u);
+    }
+  NS_HANDLER
+    {
+      DESTROY(u);
+      [localException raise];
+    }
+  NS_ENDHANDLER
+  return AUTORELEASE(o);
+}
+
+ (id) unarchiveObjectWithFile: (NSString*)aPath
+{
+  CREATE_AUTORELEASE_POOL(pool);
+  NSData	*d;
+  id		o;
+
+  d = [NSData dataWithContentsOfFile: aPath];
+  o = [self unarchiveObjectWithData: d];
+  RETAIN(o);
+  RELEASE(pool);
+  return AUTORELEASE(o);
+}
+
+- (Class) classForClassName: (NSString*)aString
+{
+  [self notImplemented: _cmd];
+  return nil;
+}
+
+- (BOOL) containsValueForKey: (NSString*)aKey
+{
+  [self notImplemented: _cmd];
+  return NO;
+}
+
+- (BOOL) decodeBoolForKey: (NSString*)aKey
+{
+  [self notImplemented: _cmd];
+  return NO;
+}
+
+- (const uint8_t*) decodeBytesForKey: (NSString*)aKey
+		      returnedLength: (unsigned*)length
+{
+  [self notImplemented: _cmd];
+  *length = 0;
+  return 0;
+}
+
+- (double) decodeDoubleForKey: (NSString*)aKey
+{
+  [self notImplemented: _cmd];
+  return 0.0;
+}
+
+- (float) decodeFloatForKey: (NSString*)aKey
+{
+  [self notImplemented: _cmd];
+  return 0.0;
+}
+
+- (int) decodeIntForKey: (NSString*)aKey
+{
+  [self notImplemented: _cmd];
+  return 0;
+}
+
+- (int32_t) decodeInt32ForKey: (NSString*)aKey
+{
+  [self notImplemented: _cmd];
+  return 0;
+}
+
+- (int64_t) decodeInt64ForKey: (NSString*)aKey
+{
+  [self notImplemented: _cmd];
+  return 0;
+}
+
+- (id) decodeObjectForKey: (NSString*)aKey
+{
+  [self notImplemented: _cmd];
+  return nil;
+}
+
+- (id) delegate
+{
+  return _delegate;
+}
+
+- (void) finishDecoding
+{
+  [self notImplemented: _cmd];
+}
+
+- (id) initForReadingWithData: (NSData*)data
+{
+  [self notImplemented: _cmd];
+  return self;
+}
+
+- (void) setClass: (Class)aClass forClassName: (NSString*)aString
+{
+  [self notImplemented: _cmd];
+}
+
+- (void) setDelegate: (id)delegate
+{
+  _delegate = delegate;		// Not retained.
+}
+
+@end
+
+@implementation NSObject (NSKeyedUnarchiverDelegate) 
+- (Class) unarchiver: (NSKeyedUnarchiver*)anUnarchiver
+  cannotDecodeObjectOfClassName: (NSString*)aName
+  originalClasses: (NSArray*)classNames
+{
+  return nil;
+}
+- (id) unarchiver: (NSKeyedUnarchiver*)anUnarchiver
+  didDecodeObject: (id)anObject
+{
+  return anObject;
+}
+- (void) unarchiverDidFinish: (NSKeyedUnarchiver*)anUnarchiver
+{
+}
+- (void) unarchiverWillFinish: (NSKeyedUnarchiver*)anUnarchiver
+{
+}
+- (void) unarchiver: (NSKeyedUnarchiver*)anUnarchiver
+  willReplaceObject: (id)anObject
+	 withObject: (id)newObject
+{
+}
+@end
+
+@implementation NSObject (NSKeyedUnarchiverObjectSubstitution) 
+ (Class) classForKeyedUnarchiver
+{
+  return self;
+}
+@end
+