- Update

Core/XMPPElement.m

@@ -0,0 +1,192 @@
+#import "XMPPElement.h"
+#import "XMPPJID.h"
+#import "NSXMLElement+XMPP.h"
+
+#import <objc/runtime.h>
+
+
+@implementation XMPPElement
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Encoding, Decoding
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#if ! TARGET_OS_IPHONE
+- (id)replacementObjectForPortCoder:(NSPortCoder *)encoder
+{
+	if([encoder isBycopy])
+		return self;
+	else
+		return [super replacementObjectForPortCoder:encoder];
+	//	return [NSDistantObject proxyWithLocal:self connection:[encoder connection]];
+}
+#endif
+
+- (id)initWithCoder:(NSCoder *)coder
+{
+	NSString *xmlString;
+	if([coder allowsKeyedCoding])
+	{
+        if([coder respondsToSelector:@selector(requiresSecureCoding)] &&
+           [coder requiresSecureCoding])
+        {
+            xmlString = [coder decodeObjectOfClass:[NSString class] forKey:@"xmlString"];
+        }
+        else
+        {
+            xmlString = [coder decodeObjectForKey:@"xmlString"];
+        }
+	}
+	else
+	{
+		xmlString = [coder decodeObject];
+	}
+	
+	// The method [super initWithXMLString:error:] may return a different self.
+	// In other words, it may [self release], and alloc/init/return a new self.
+	// 
+	// So to maintain the proper class (XMPPIQ, XMPPMessage, XMPPPresence, etc)
+	// we need to get a reference to the class before invoking super.
+	
+	Class selfClass = [self class];
+	
+	if ((self = [super initWithXMLString:xmlString error:nil]))
+	{
+		object_setClass(self, selfClass);
+	}
+	return self;
+}
+
+- (void)encodeWithCoder:(NSCoder *)coder
+{
+	NSString *xmlString = [self compactXMLString];
+	
+	if([coder allowsKeyedCoding])
+	{
+		[coder encodeObject:xmlString forKey:@"xmlString"];
+	}
+	else
+	{
+		[coder encodeObject:xmlString];
+	}
+}
+
++ (BOOL) supportsSecureCoding
+{
+    return YES;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Copying
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (id)copyWithZone:(NSZone *)zone
+{
+	NSXMLElement *elementCopy = [super copyWithZone:zone];
+	object_setClass(elementCopy, [self class]);
+	
+	return elementCopy;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark Common Jabber Methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (NSString *)elementID
+{
+	return [[self attributeForName:@"id"] stringValue];
+}
+
+- (NSString *)toStr
+{
+	return [[self attributeForName:@"to"] stringValue];
+}
+
+- (NSString *)fromStr
+{
+	return [[self attributeForName:@"from"] stringValue];
+}
+
+- (XMPPJID *)to
+{
+	return [XMPPJID jidWithString:[self toStr]];
+}
+
+- (XMPPJID *)from
+{
+	return [XMPPJID jidWithString:[self fromStr]];
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+#pragma mark To and From Methods
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+- (BOOL)isTo:(XMPPJID *)to
+{
+	return [self.to isEqualToJID:to];
+}
+
+- (BOOL)isTo:(XMPPJID *)to options:(XMPPJIDCompareOptions)mask
+{
+	return [self.to isEqualToJID:to options:mask];
+}
+
+- (BOOL)isFrom:(XMPPJID *)from
+{
+	return [self.from isEqualToJID:from];
+}
+
+- (BOOL)isFrom:(XMPPJID *)from options:(XMPPJIDCompareOptions)mask
+{
+	return [self.from isEqualToJID:from options:mask];
+}
+
+- (BOOL)isToOrFrom:(XMPPJID *)toOrFrom
+{
+	if([self isTo:toOrFrom] || [self isFrom:toOrFrom])
+	{
+		return YES;
+	}
+	else
+	{
+		return NO;
+	}
+}
+
+- (BOOL)isToOrFrom:(XMPPJID *)toOrFrom options:(XMPPJIDCompareOptions)mask
+{
+	if([self isTo:toOrFrom options:mask] || [self isFrom:toOrFrom options:mask])
+	{
+		return YES;
+	}
+	else
+	{
+		return NO;
+	}
+}
+
+- (BOOL)isTo:(XMPPJID *)to from:(XMPPJID *)from
+{
+	if([self isTo:to] && [self isFrom:from])
+	{
+		return YES;
+	}
+	else
+	{
+		return NO;
+	}
+}
+
+- (BOOL)isTo:(XMPPJID *)to from:(XMPPJID *)from options:(XMPPJIDCompareOptions)mask
+{
+	if([self isTo:to options:mask] && [self isFrom:from options:mask])
+	{
+		return YES;
+	}
+	else
+	{
+		return NO;
+	}
+}
+
+@end