Performance improvmentes for coding.

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@3093 72102866-910b-0410-8b05-ffd578937521

Headers/gnustep/base/NSData.h

@@ -112,8 +112,16 @@
  *	object - or they will find it's buffer disappearing unexpectedly.
  *	Once you have used this method, you own the malloced data and are
  *	responsible for freeing it.
+ *	NB. While this buffer is guaranteed to be freeable by NSZoneFree(),
+ *	it's not necessarily safe to pass it to free()/objc_free() and
+ *	friends.  If you wish to pass the buffer to code that might use
+ *	free() or realloc(), you should use the
+ *	-relinquishAllocatedBytesFromZone: method instead - this method
+ *	will only relinquich the buffer if it was allocated from the
+ *	specified zone (a zone of 0 disables this checking).
  */
 - (void*) relinquishAllocatedBytes;
+- (void*) relinquishAllocatedBytesFromZone: (NSZone*)aZone;
 @end
 
 

Headers/gnustep/base/NSString.h

@@ -264,6 +264,7 @@ enum {
 #endif
 
 #ifndef NO_GNUSTEP
+- (BOOL) boolValue;
 - (NSString*) descriptionForPropertyList;
 - (id) initWithCharactersNoCopy: (unichar*)chars
 			 length: (unsigned int)length

Source/NSGArray.m

@@ -28,7 +28,6 @@
 #include <gnustep/base/behavior.h>
 #include <Foundation/NSException.h>
 #include <Foundation/NSPortCoder.h>
-#include <gnustep/base/Coding.h>
 
 @interface NSGArray : NSArray
 {
@@ -105,46 +104,28 @@
 
 - (void) encodeWithCoder: (NSCoder*)aCoder
 {
-    unsigned	i;
-
-    [(id<Encoding>)aCoder encodeValueOfCType: @encode(unsigned)
-					  at: &_count
-				    withName: @"Array content count"];
-
-    for (i = 0; i < _count; i++) {
-	[(id<Encoding>)aCoder encodeObject: _contents_array[i]
-				  withName: @"Array content"];
+    [aCoder encodeValueOfObjCType: @encode(unsigned)
+			       at: &_count];
+    if (_count > 0) {
+	[aCoder encodeArrayOfObjCType: @encode(id)
+				count: _count
+				   at: _contents_array];
     }
 }
 
 - (id) initWithCoder: (NSCoder*)aCoder
 {
-    unsigned    count;
-
-#if 0
-    unsigned dummy;
-
-    [(id<Decoding>)aCoder decodeValueOfCType: @encode(unsigned)
-					  at: &dummy
-				    withName: NULL];
-    [(id<Decoding>)aCoder decodeValueOfCType: @encode(unsigned)
-					  at: &dummy
-				    withName: NULL];
-#endif
-
-    [(id<Decoding>)aCoder decodeValueOfCType: @encode(unsigned)
-					  at: &count
-				    withName: NULL];
-    if (count > 0) {
-	_contents_array = NSZoneMalloc([self zone], sizeof(id)*count);
+    [aCoder decodeValueOfObjCType: @encode(unsigned)
+			       at: &_count];
+    if (_count > 0) {
+	_contents_array = NSZoneCalloc([self zone], _count, sizeof(id));
 	if (_contents_array == 0) {
 	    [NSException raise: NSMallocException
 			format: @"Unable to make array"];
 	}
-	while (_count < count) {
-	    [(id<Decoding>)aCoder decodeObjectAt: &_contents_array[_count++]
-					withName: NULL];
-	}
+	[aCoder decodeArrayOfObjCType: @encode(id)
+				count: _count
+				   at: _contents_array];
     }
     return self;
 }
@@ -245,16 +226,17 @@
 {
     unsigned    count;
 
-    [(id<Decoding>)aCoder decodeValueOfCType: @encode(unsigned)
-					  at: &count
-				    withName: NULL];
+    [aCoder decodeValueOfObjCType: @encode(unsigned)
+			       at: &count];
     if ([self initWithCapacity: count] == nil) {
 	[NSException raise: NSMallocException
 		    format: @"Unable to make array"];
     }
-    while (_count < count) {
-	[(id<Decoding>)aCoder decodeObjectAt: &_contents_array[_count++]
-				    withName: NULL];
+    if (count > 0) {
+	[aCoder decodeArrayOfObjCType: @encode(id)
+				count: count
+				   at: _contents_array];
+	_count = count;
     }
     return self;
 }

Source/NSGCountedSet.m

@@ -29,7 +29,6 @@
 #include <Foundation/NSUtilities.h>
 #include <Foundation/NSString.h>
 #include <Foundation/NSPortCoder.h>
-#include <gnustep/base/Coding.h>
 
 
 #define	FAST_MAP_RETAIN_VAL(X)	X
@@ -106,31 +105,18 @@
 {
     unsigned    count = map.nodeCount;
     FastMapNode node = map.firstNode;
+    SEL		sel1 = @selector(encodeObject:);
+    IMP		imp1 = [aCoder methodForSelector: sel1];
+    SEL		sel2 = @selector(encodeValueOfObjCType:at:);
+    IMP		imp2 = [aCoder methodForSelector: sel2];
+    const char	*type = @encode(unsigned);
 
-    [(id<Encoding>)aCoder encodeValueOfCType: @encode(unsigned)
-                                          at: &count
-                                    withName: @"Set content count"];
+    (*imp2)(aCoder, sel2, type, &count);
 
-    if ([aCoder isKindOfClass: [NSPortCoder class]] &&
-        [(NSPortCoder*)aCoder isBycopy]) {
-        while (node != 0) {
-            [(id<Encoding>)aCoder encodeBycopyObject: node->key.o
-                                            withName: @"Set value"];
-	    [(id<Encoding>)aCoder encodeValueOfCType: @encode(unsigned)
-						  at: &node->value.I
-					    withName: @"Set value count"];
-            node = node->nextInMap;
-        }
-    }
-    else {
-        while (node != 0) {
-            [(id<Encoding>)aCoder encodeObject: node->key.o
-                                      withName: @"Set content"];
-	    [(id<Encoding>)aCoder encodeValueOfCType: @encode(unsigned)
-						  at: &node->value.I
-					    withName: @"Set value count"];
-            node = node->nextInMap;
-        }
+    while (node != 0) {
+	(*imp1)(aCoder, sel1, node->key.o);
+	(*imp2)(aCoder, sel2, type, &node->value.I);
+	node = node->nextInMap;
     }
 }
 
@@ -139,17 +125,17 @@
     unsigned    count;
     id          value;
     unsigned	valcnt;
+    SEL		sel = @selector(decodeValueOfObjCType:at:);
+    IMP		imp = [aCoder methodForSelector: sel];
+    const char	*utype = @encode(unsigned);
+    const char	*otype = @encode(id);
 
-    [(id<Decoding>)aCoder decodeValueOfCType: @encode(unsigned)
-                                          at: &count
-                                    withName: NULL];
+    (*imp)(aCoder, sel, utype, &count);
 
     FastMapInitWithZoneAndCapacity(&map, [self zone], count);
     while (count-- > 0) {
-        [(id<Decoding>)aCoder decodeObjectAt: &value withName: NULL];
-	[(id<Decoding>)aCoder decodeValueOfCType: @encode(unsigned)
-					      at: &valcnt
-					withName: NULL];
+	(*imp)(aCoder, sel, otype, &value);
+	(*imp)(aCoder, sel, utype, &valcnt);
         FastMapAddPairNoRetain(&map, (FastMapItem)value, (FastMapItem)valcnt);
     }
 

Source/NSGDictionary.m

@@ -29,7 +29,6 @@
 #include <Foundation/NSString.h>
 #include <Foundation/NSException.h>
 #include <Foundation/NSPortCoder.h>
-#include <gnustep/base/Coding.h>
 
 #include <gnustep/base/fast.x>
 
@@ -151,29 +150,14 @@ myEqual(NSObject *self, NSObject *other)
 {
     unsigned	count = map.nodeCount;
     FastMapNode	node = map.firstNode;
+    SEL		sel = @selector(encodeObject:);
+    IMP		imp = [aCoder methodForSelector: sel];
 
-    [(id<Encoding>)aCoder encodeValueOfCType: @encode(unsigned)
-					  at: &count
-				    withName: @"Dictionary content count"];
-
-    if ([aCoder isKindOfClass: [NSPortCoder class]] &&
-        [(NSPortCoder*)aCoder isBycopy]) {
-	while (node != 0) {
-	    [(id<Encoding>)aCoder encodeBycopyObject: node->key.o
-					    withName: @"Dictionary key"];
-	    [(id<Encoding>)aCoder encodeBycopyObject: node->value.o
-					    withName: @"Dictionary content"];
-	    node = node->nextInMap;
-	}
-    }
-    else {
-	while (node != 0) {
-	    [(id<Encoding>)aCoder encodeObject: node->key.o
-				      withName: @"Dictionary key"];
-	    [(id<Encoding>)aCoder encodeObject: node->value.o
-				      withName: @"Dictionary content"];
-	    node = node->nextInMap;
-	}
+    [aCoder encodeValueOfObjCType: @encode(unsigned) at: &count];
+    while (node != 0) {
+	(*imp)(aCoder, sel, node->key.o);
+	(*imp)(aCoder, sel, node->value.o);
+	node = node->nextInMap;
     }
 }
 
@@ -182,18 +166,19 @@ myEqual(NSObject *self, NSObject *other)
     unsigned    count;
     id		key;
     id		value;
+    SEL		sel = @selector(decodeValueOfObjCType:at:);
+    IMP		imp = [aCoder methodForSelector: sel];
+    const char	*type = @encode(id);
 
-    [(id<Decoding>)aCoder decodeValueOfCType: @encode(unsigned)
-					  at: &count
-				    withName: NULL];
+    [aCoder decodeValueOfObjCType: @encode(unsigned)
+			       at: &count];
 
     FastMapInitWithZoneAndCapacity(&map, fastZone(self), count);
     while (count-- > 0) {
-	[(id<Decoding>)aCoder decodeObjectAt: &key withName: NULL];
-	[(id<Decoding>)aCoder decodeObjectAt: &value withName: NULL];
+	(*imp)(aCoder, sel, type, &key);
+	(*imp)(aCoder, sel, type, &value);
 	FastMapAddPairNoRetain(&map, (FastMapItem)key, (FastMapItem)value);
     }
-    
     return self;
 }
 

Source/NSGSet.m

@@ -30,7 +30,6 @@
 #include <Foundation/NSUtilities.h>
 #include <Foundation/NSString.h>
 #include <Foundation/NSPortCoder.h>
-#include <gnustep/base/Coding.h>
 
 #define	FAST_MAP_HAS_VALUE	0
 
@@ -114,25 +113,13 @@
 {
     unsigned    count = map.nodeCount;
     FastMapNode node = map.firstNode;
+    SEL		sel = @selector(encodeObject:);
+    IMP		imp = [aCoder methodForSelector: sel];
 
-    [(id<Encoding>)aCoder encodeValueOfCType: @encode(unsigned)
-                                          at: &count
-                                    withName: @"Set content count"];
-
-    if ([aCoder isKindOfClass: [NSPortCoder class]] &&
-        [(NSPortCoder*)aCoder isBycopy]) {
-        while (node != 0) {
-            [(id<Encoding>)aCoder encodeBycopyObject: node->key.o
-                                            withName: @"Set content"];
-            node = node->nextInMap;
-        }
-    }
-    else {
-        while (node != 0) {
-            [(id<Encoding>)aCoder encodeObject: node->key.o
-                                      withName: @"Set content"];
-            node = node->nextInMap;
-        }
+    [aCoder encodeValueOfObjCType: @encode(unsigned) at: &count];
+    while (node != 0) {
+	(*imp)(aCoder, sel, node->key.o);
+	node = node->nextInMap;
     }
 }
 
@@ -140,14 +127,15 @@
 {
     unsigned    count;
     id          value;
+    SEL		sel = @selector(decodeValueOfObjCType:at:);
+    IMP		imp = [aCoder methodForSelector: sel];
+    const char	*type = @encode(id);
 
-    [(id<Decoding>)aCoder decodeValueOfCType: @encode(unsigned)
-                                          at: &count
-                                    withName: NULL];
+    (*imp)(aCoder, sel, @encode(unsigned), &count);
 
     FastMapInitWithZoneAndCapacity(&map, [self zone], count);
     while (count-- > 0) {
-        [(id<Decoding>)aCoder decodeObjectAt: &value withName: NULL];
+	(*imp)(aCoder, sel, type, &value);
         FastMapAddKeyNoRetain(&map, (FastMapItem)value);
     }
 

Source/NSObject.m

@@ -44,6 +44,9 @@
 fastCls	_fastCls;	/* Structure to cache classes.	*/
 fastImp	_fastImp;	/* Structure to cache methods.	*/
 
+@class	NSDataMalloc;
+@class	NSMutableDataMalloc;
+
 void	_fastBuildCache()
 {
   /*
@@ -56,6 +59,8 @@ void	_fastBuildCache()
   _fastCls._NSGCString = [NSGCString class];
   _fastCls._NSGMutableCString = [NSGMutableCString class];
   _fastCls._NXConstantString = [NXConstantString class];
+  _fastCls._NSDataMalloc = [NSDataMalloc class];
+  _fastCls._NSMutableDataMalloc = [NSMutableDataMalloc class];
 
   /*
    *	Cache some method implementations for quick access later.

Source/NSString.m

@@ -2011,6 +2011,13 @@ else
 
 // xxx Sould we use NSScanner here ?
 
+- (BOOL) boolValue
+{
+    if ([self caseInsensitiveCompare: @"YES"] == NSOrderedSame) 
+	return YES;
+    return [self intValue] != 0 ? YES : NO;
+}
+
 - (double) doubleValue
 {
   return atof([self cString]);