/**
 * Appcelerator Titanium Mobile
 * Copyright (c) 2009-2010 by Appcelerator, Inc. All Rights Reserved.
 * Licensed under the terms of the Apache Public License
 * Please see the LICENSE included with this distribution for details.
 * 
 * WARNING: This is generated code. Modify at your own risk and without support.
 */
#import <objc/runtime.h>
#import "SBJSON.h"
#import "KrollObject.h"
#import "KrollMethod.h"
#import "KrollCallback.h"
#import "KrollMethodDelegate.h"
#import "KrollPropertyDelegate.h"
#import "KrollContext.h"

TiClassRef KrollObjectClassRef = NULL;
TiClassRef JSObjectClassRef = NULL;

id TiValueToId(KrollContext* context, TiValueRef v);

@implementation KrollUndefined
+(KrollUndefined*)undefined
{
	static KrollUndefined *undef;
	if (undef==nil)
	{
		undef = [[KrollUndefined alloc] init];
	}
	return undef;
}
@end

//
// function to determine if the object passed is a JS Date
//
BOOL IsDateLike(TiContextRef jsContext, TiObjectRef object, TiValueRef *v)
{
	BOOL result = NO;
	TiStringRef jsString = TiStringCreateWithUTF8CString("getTime");
	if (TiObjectHasProperty(jsContext, object, jsString))
	{
		TiValueRef fn = TiObjectGetProperty(jsContext, object, jsString, NULL);
		TiObjectRef fnObj = TiValueToObject(jsContext, fn, NULL);
		if (TiObjectIsFunction(jsContext, fnObj))
		{
			*v = TiObjectCallAsFunction(jsContext,fnObj,object,0,NULL,NULL);
			result = YES;
		}
	}
	TiStringRelease(jsString);
	return result;
}

//
// function to determine if the object passed is a JS Array 
//
BOOL IsArrayLike(TiContextRef jsContext, TiObjectRef object)
{
	//TODO: this has got to be slow since we have to dip into the object 3 times
	//can we get smarter here?
	
	BOOL isArrayLike = YES;
	
	TiStringRef pop = TiStringCreateWithUTF8CString("pop");
	isArrayLike = isArrayLike && TiObjectHasProperty(jsContext, object, pop);
	TiStringRelease(pop);
	
	if (!IsArrayLike) return NO;
	
	TiStringRef concat = TiStringCreateWithUTF8CString("concat");
	isArrayLike = isArrayLike && TiObjectHasProperty(jsContext, object, concat);
	TiStringRelease(concat);

	if (!IsArrayLike) return NO;

	TiStringRef length = TiStringCreateWithUTF8CString("length");
	isArrayLike = isArrayLike && TiObjectHasProperty(jsContext, object, length);
	TiStringRelease(length);
	
	return isArrayLike;
}

//
// function for converting a TiValueRef into a NSDictionary*
//
NSDictionary* TiValueToDict(KrollContext *context, TiValueRef value)
{
	TiContextRef jsContext = [context context];
	TiObjectRef obj = TiValueToObject(jsContext, value, NULL);
	TiPropertyNameArrayRef props = TiObjectCopyPropertyNames(jsContext,obj);
	TiPropertyNameArrayRetain(props);
	
	NSMutableDictionary *dict = [[NSMutableDictionary alloc] init];
	
	size_t count = TiPropertyNameArrayGetCount(props);
	for (size_t i = 0; i < count; i++)
	{
		TiStringRef jsString = TiPropertyNameArrayGetNameAtIndex(props, i);
		TiValueRef v = TiObjectGetProperty(jsContext, obj, jsString, NULL);
		
		size_t size = TiStringGetMaximumUTF8CStringSize(jsString);
		char* cstring = (char*) malloc(size);
		TiStringGetUTF8CString(jsString, cstring, size);
		NSString *jsonkey = [NSString stringWithUTF8String:cstring];
		id jsonvalue = TiValueToId(context,v);
		if (jsonkey!=nil && jsonvalue!=nil)
		{
			[dict setObject:jsonvalue forKey:jsonkey];
		}
		free(cstring);
		TiStringRelease(jsString);
	}
	
	TiPropertyNameArrayRelease(props);
	
	return [dict autorelease];
}

//
// function for converting a TiValueRef into a JSON string as NSString*
//
NSString* TiValueToJSON(KrollContext *context, TiValueRef value)
{
	return [SBJSON stringify:TiValueToId(context,value)];
}

//
// function for converting a TiValueRef string into a NSString*
//
NSString* TiStringToNSString(TiContextRef jsContext, TiValueRef value)
{
	if (TiValueIsString(jsContext,value))
	{
		TiStringRef jsString = TiValueToStringCopy(jsContext, value, NULL);
		if (jsString)
		{
			size_t size = TiStringGetLength(jsString);
			const TiChar* ustring = TiStringGetCharactersPtr(jsString);
			NSString *result = [NSString stringWithCharacters:ustring length:size];
			TiStringRelease(jsString);
			return result;
		}
	}
	else if (TiValueIsNumber(jsContext, value))
	{
		double f = TiValueToNumber(jsContext, value, NULL);
		return [[NSNumber numberWithDouble:f] stringValue];
	}
	else if (TiValueIsBoolean(jsContext, value))
	{
		bool b = TiValueToBoolean(jsContext, value);
		return b ? @"true" : @"false";
	}				
	return nil;
}

//
// function for converting a TiValueRef into an NSObject* (as ID)
//
id TiValueToId(KrollContext *context, TiValueRef v)
{
	TiContextRef jsContext = [context context];
	if (TiValueIsString(jsContext,v))
	{
		return TiStringToNSString(jsContext, v);
	}
	else if (TiValueIsNumber(jsContext,v))
	{
		return [NSNumber numberWithDouble:TiValueToNumber(jsContext, v, NULL)];
	}
	else if (TiValueIsBoolean(jsContext, v))
	{
		return [NSNumber numberWithBool:TiValueToBoolean(jsContext, v)];
	}
	else if (TiValueIsNull(jsContext,v) || TiValueIsUndefined(jsContext, v))
	{
		// we can't use nil since that would prevent the value from being placed
		// in a dictionary (for example) so we need to use the special NSNull class
		// to indicate that this is an *explicit* null vs. not found
		return [NSNull null];
	}
	else if (TiValueIsObject(jsContext, v))
	{
		TiObjectRef obj = TiValueToObject(jsContext, v, NULL);
		id privateObject = (id)TiObjectGetPrivate(obj);
		if ([privateObject isKindOfClass:[KrollObject class]])
		{
			return [privateObject target];
		}
		if (IsArrayLike(jsContext,obj))
		{
			TiStringRef lengthProp = TiStringCreateWithUTF8CString("length");
			TiValueRef length = TiObjectGetProperty(jsContext, obj, lengthProp, NULL);
			TiStringRelease(lengthProp);
			double len = TiValueToNumber(jsContext, length, NULL);
			NSMutableArray *result = [[NSMutableArray alloc] initWithCapacity:len];
			for (size_t c=0;c<len;c++)
			{
				NSString *prop = [NSString stringWithFormat:@"%d",c];
				TiStringRef propRef = TiStringCreateWithUTF8CString([prop UTF8String]);
				TiValueRef valueRef = TiObjectGetProperty(jsContext, obj, propRef, NULL);
				TiStringRelease(propRef);
				id value = TiValueToId(context,valueRef);
				[result addObject:value];
			}
			return [result autorelease];
		}
		TiValueRef result;
		if (IsDateLike(jsContext,obj,&result))
		{
			double value = TiValueToNumber(jsContext, result, NULL);
			return [NSDate dateWithTimeIntervalSince1970:value/1000]; // ms for JS, sec for Obj-C
		}
		if (TiObjectIsFunction(jsContext,obj))
		{
			return [[[KrollCallback alloc] initWithCallback:obj thisObject:TiContextGetGlobalObject(jsContext) context:context] autorelease];
		}
		return TiValueToDict(context,v);
	}
	return nil;
}

//
// function for converting a TiValue to an NSObject* (as ID)
//
TiValueRef ConvertIdTiValue(KrollContext *context, id obj)
{
	TiContextRef jsContext = [context context];
	if (obj == nil || [obj isKindOfClass:[NSNull class]])
	{
		return TiValueMakeNull(jsContext);
	}
	else if ([obj isKindOfClass:[KrollUndefined class]])
	{
		return TiValueMakeUndefined(jsContext);
	}
	else if ([obj isKindOfClass:[NSString class]])
	{
		TiStringRef jsString = TiStringCreateWithUTF8CString([obj UTF8String]);
		TiValueRef result = TiValueMakeString(jsContext,jsString);
		TiStringRelease(jsString);
		return result;
	}
	else if ([obj isKindOfClass:[NSNumber class]])
	{
		const char *ch = [obj objCType];
		if ('c' == ch[0])
		{
			return TiValueMakeBoolean(jsContext, [obj boolValue]);
        }
		else
		{
			return TiValueMakeNumber(jsContext, [obj doubleValue]);
		}
	}
	else if ([obj isKindOfClass:[NSArray class]])	
	{
		size_t count = [obj count];
		TiValueRef args[count];
		for (size_t c=0;c<count;c++)
		{
			args[c]=ConvertIdTiValue(context,[obj objectAtIndex:c]);
		}
		return TiObjectMakeArray(jsContext, count, args, NULL);
	}
	else if ([obj isKindOfClass:[NSDictionary class]])
	{
		NSString *code = @"new Object()";
		TiStringRef jsString = TiStringCreateWithUTF8CString([code UTF8String]);
		TiValueRef value = TiEvalScript(jsContext, jsString, NULL, NULL, 0, NULL);
		TiStringRelease(jsString);
		TiObjectRef objRef = TiValueToObject(jsContext, value, NULL);
		for (id prop in obj)
		{
			TiStringRef key = TiStringCreateWithUTF8CString([prop UTF8String]);
			TiValueRef value = ConvertIdTiValue(context,[obj objectForKey:prop]);
			TiObjectSetProperty(jsContext, objRef, key, value, 0, NULL);
			TiStringRelease(key);
		}
		return objRef;
	}
	else if ([obj isKindOfClass:[NSException class]])
	{
		TiStringRef jsString = TiStringCreateWithUTF8CString([[obj reason] UTF8String]);
		TiValueRef result = TiValueMakeString(jsContext,jsString);
		TiValueRef args[] = {result};
		TiStringRelease(jsString);
		return TiObjectMakeError(jsContext, 1, args, NULL);
	}
	else if ([obj isKindOfClass:[KrollMethod class]])
	{
		return TiObjectMake(jsContext,KrollMethodClassRef,obj);
	}
	else if ([obj isKindOfClass:[KrollObject class]])
	{
		return TiObjectMake(jsContext,KrollObjectClassRef,obj);
	}
	else if ([obj isKindOfClass:[KrollCallback class]])
	{
		return [(KrollCallback*)obj function];
	}
	else if ([obj isKindOfClass:[NSDate class]])
	{
		NSDate *date = (NSDate*)obj;
		double number = [date timeIntervalSince1970]*1000; // JS is ms
 		TiValueRef args [1];
		args[0] = TiValueMakeNumber(jsContext,number);
		return TiObjectMakeDate(jsContext,1,args,NULL);
	}
	else
	{
		KrollObject *o = [[[KrollObject alloc] initWithTarget:obj context:context] autorelease];
		return TiObjectMake(jsContext,KrollObjectClassRef,o);
	}
	return TiValueMakeNull(jsContext);
}

//
// callback for handling finalization (in JS land)
//
void KrollFinalizer(TiObjectRef ref)
{
	id o = (KrollObject*)TiObjectGetPrivate(ref);
	if ([o isKindOfClass:[KrollContext class]])
	{
		return;
	}
	if (![o isKindOfClass:[KrollObject class]])
	{
		NSLog(@"[WARN] object: %@ was not of the right class: %@",o,[o class]);
		return;
	}
#if KOBJECT_MEMORY_DEBUG == 1
	NSLog(@"KROLL FINALIZER: %@, retain:%d",o,[o retainCount]);
#endif
	
	[o release];
	o = nil;
}

bool KrollDeleteProperty(TiContextRef ctx, TiObjectRef object, TiStringRef propertyName, TiValueRef* exception)
{
	KrollObject* o = (KrollObject*) TiObjectGetPrivate(object);
	if ([o isKindOfClass:[KrollObject class]])
	{
		NSString* name = (NSString*)TiStringCopyCFString(kCFAllocatorDefault, propertyName);
		[o deleteKey:name];
		[name release];
	}
	return true;
}

//
// callback for handling creation (in JS land)
//
void KrollInitializer(TiContextRef ctx, TiObjectRef object)
{
	KrollObject * o = (KrollObject*)TiObjectGetPrivate(object);
	if ([o isKindOfClass:[KrollContext class]])
	{
		return;
	}	
#if KOBJECT_MEMORY_DEBUG == 1
	NSLog(@"KROLL RETAINER: %@ (%@), retain:%d",o,[o class],[o retainCount]);
#endif
	if ([o isKindOfClass:[KrollObject class]])
	{
		[o retain];
	}
	else {
		NSLog(@"[DEBUG] initializer for %@",[o class]);
	}

}

//
// callback for handling retrieving an objects property (in JS land)
//
TiValueRef KrollGetProperty(TiContextRef jsContext, TiObjectRef object, TiStringRef prop, TiValueRef* exception)
{
	KrollObject* o = (KrollObject*) TiObjectGetPrivate(object);
	@try 
	{
		NSString* name = (NSString*)TiStringCopyCFString(kCFAllocatorDefault, prop);
		[name autorelease];
		id result = [o valueForKey:name];
#if KOBJECT_DEBUG == 1
		NSLog(@"KROLL GET PROPERTY: %@=%@",name,result);
#endif
		return ConvertIdTiValue([o context],result);
	}
	@catch (NSException * ex) 
	{
		*exception = [KrollObject toValue:[o context] value:ex];
	}
	return TiValueMakeUndefined(jsContext);
} 

//
// callback for handling a setter (in JS land)
//
bool KrollSetProperty(TiContextRef jsContext, TiObjectRef object, TiStringRef prop, TiValueRef value, TiValueRef* exception)
{
	KrollObject* o = (KrollObject*) TiObjectGetPrivate(object);
	@try 
	{
		NSString* name = (NSString*)TiStringCopyCFString(kCFAllocatorDefault, prop);
		[name autorelease];
		id v = TiValueToId([o context], value);
#if KOBJECT_DEBUG == 1
		NSLog(@"KROLL SET PROPERTY: %@=%@ against %@",name,v,o);
#endif
		[o setValue:v forKey:name];
		return true;
	}
	@catch (NSException * ex) 
	{
		*exception = [KrollObject toValue:[o context] value:ex];
	}
	return false;
}	

@implementation KrollObject

-(id)init
{
	if (self = [super init])
	{
		if (KrollObjectClassRef==NULL)
		{
			TiClassDefinition classDef = kTiClassDefinitionEmpty;
			classDef.className = "Object";
			classDef.initialize = KrollInitializer;
			classDef.finalize = KrollFinalizer;
			classDef.setProperty = KrollSetProperty;
			classDef.getProperty = KrollGetProperty;
			classDef.deleteProperty = KrollDeleteProperty;
			KrollObjectClassRef = TiClassCreate(&classDef);
		}
		//FIXME
//		[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(didReceiveMemoryWarning:) name:UIApplicationDidReceiveMemoryWarningNotification object:nil];
	}
	return self;
}

-(id)initWithTarget:(id)target_ context:(KrollContext*)context_
{
	if (self = [self init])
	{
		target = [target_ retain];
		context = context_; // don't retain
		jsobject = TiObjectMake([context context],KrollObjectClassRef,self);
		targetable = [target conformsToProtocol:@protocol(KrollTargetable)];
	}
	return self;
}

-(TiObjectRef)jsobject
{
	return jsobject;
}

- (BOOL)isEqual:(id)anObject
{
	if ([anObject isKindOfClass:[KrollObject class]])
	{
		TiObjectRef ref1 = jsobject;
		TiObjectRef ref2 = [(KrollObject*)anObject jsobject];
		return TiValueIsStrictEqual([context context],ref1,ref2);
	}
	return NO;
}

-(void)dealloc
{
#if KOBJECT_MEMORY_DEBUG == 1
	NSLog(@"DEALLOC KROLLOBJECT: %@",[self description]);
#endif
	RELEASE_TO_NIL(properties);
	RELEASE_TO_NIL(target);
	RELEASE_TO_NIL(statics);
//	[[NSNotificationCenter defaultCenter] removeObserver:self name:UIApplicationDidReceiveMemoryWarningNotification object:nil];
	[super dealloc];
}

#if KOBJECT_MEMORY_DEBUG == 1
-(id)description
{
	return [NSString stringWithFormat:@"KrollObject[%@] held:%d",target,[target retainCount]];
}
#endif


-(KrollContext*)context
{
	return context;
}

-(id)target
{
	return target;
}

//
// create a JS TiValueRef from a NSObject* (as ID)
//
+(TiValueRef)create:(id)object context:(KrollContext*)context
{
	KrollObject *ko = [[[KrollObject alloc] initWithTarget:object context:context] autorelease];
	return [ko jsobject];
}

//
// convert TiValueRef to ID
//
+(id)toID:(KrollContext*)context value:(TiValueRef) ref
{
	return TiValueToId(context,ref);
}

+(id)nonNull:(id)value
{
	if (value == nil || value == [NSNull null])
	{
		return nil;
	}
	return value;
}

//
// convert ID to TiValueRef
//
+(TiValueRef)toValue:(KrollContext*)context value:(id)obj
{
	return ConvertIdTiValue(context,obj);
}

-(NSString*)propercase:(NSString*)name index:(int)index
{
	if (index > 0)
	{
		NSString *result = [name substringFromIndex:index];
		return [NSString stringWithFormat:@"%@%@", [[result substringToIndex:1] lowercaseString], [result length] > 1 ? [result substringFromIndex:1] : @""];
	}
	else 
	{
		return [NSString stringWithFormat:@"%@%@", [[name substringToIndex:1] uppercaseString], [name length] > 1 ? [name substringFromIndex:1] : @""];
	}
}

-(NSString*)_propertyGetterSetterKey:(NSString *)key
{
	NSString *newkey = [key substringFromIndex:3];
	return [NSString stringWithFormat:@"%@%@",[[newkey substringToIndex:1] lowercaseString], [newkey length]>1 ? [newkey substringFromIndex:1]: @""];
}

-(id)_valueForKey:(NSString *)key
{
	//TODO: need to consult property_getAttributes to make sure we're not hitting readonly, etc. but do this
	//only for non-production builds
	
	if ([key hasPrefix:@"set"])
	{
		// this is a request for a setter method
		// a.setFoo('bar')
		SEL selector;
		// setter can also have a special 2nd parameter, let's check that
		// right now we only support 2 but easy to add more
		// form is foo.setFoo('bar','foo')
		selector = NSSelectorFromString([NSString stringWithFormat:@"%@:withObject:",key]);
		if ([target respondsToSelector:selector])
		{
			return [[[KrollMethod alloc] initWithTarget:target selector:selector argcount:2 type:KrollMethodSetter name:nil context:[self context]] autorelease];
		}
		selector = NSSelectorFromString([NSString stringWithFormat:@"%@:",key]);
		if ([target respondsToSelector:selector])
		{
			return [[[KrollMethod alloc] initWithTarget:target selector:selector argcount:1 type:KrollMethodSetter name:nil context:[self context]] autorelease];
		}
		// we simply return a method delegator against the target to set the property directly on the target
		return [[[KrollMethod alloc] initWithTarget:target selector:selector argcount:1 type:KrollMethodPropertySetter name:[self _propertyGetterSetterKey:key] context:[self context]] autorelease];
	}
	else if ([key hasPrefix:@"get"])
	{
		//first make sure we don't have a method with the fullname
		SEL fullSelector = NSSelectorFromString([NSString stringWithFormat:@"%@:",key]);
		if ([target respondsToSelector:fullSelector])
		{
			return [[[KrollMethod alloc] initWithTarget:target selector:fullSelector argcount:1 type:KrollMethodInvoke name:nil context:[self context]] autorelease];
		}		
		// this is a request for a getter method
		// a.getFoo()
		NSString *partkey = [self propercase:key index:3];
		SEL selector = NSSelectorFromString(partkey);
		if ([target respondsToSelector:selector])
		{
			return [[[KrollMethod alloc] initWithTarget:target selector:selector argcount:1 type:KrollMethodGetter name:nil context:[self context]] autorelease];
		}
		// see if its an actual method that takes an arg instead
		selector = NSSelectorFromString([NSString stringWithFormat:@"%@:",partkey]);
		if ([target respondsToSelector:selector])
		{
			return [[[KrollMethod alloc] initWithTarget:target selector:selector argcount:1 type:KrollMethodGetter name:nil context:[self context]] autorelease];
		}
		// we simply return a method delegator against the target to set the property directly on the target
		return [[[KrollMethod alloc] initWithTarget:target selector:selector argcount:0 type:KrollMethodPropertyGetter name:[self _propertyGetterSetterKey:key] context:[self context]] autorelease];
	}
	else 
	{
		// property accessor - need to determine if its a objc property of method
		objc_property_t p = class_getProperty([target class], [key UTF8String]);
		if (p==NULL)
		{
			if ([key isEqualToString:@"toString"] || [key isEqualToString:@"valueOf"])
			{
				return [[[KrollMethod alloc] initWithTarget:target selector:@selector(toString:) argcount:0 type:KrollMethodInvoke name:nil context:[self context]] autorelease];
			}
			
			SEL selector = NSSelectorFromString([NSString stringWithFormat:@"%@:",key]);
			if ([target respondsToSelector:selector])
			{
				return [[[KrollMethod alloc] initWithTarget:target selector:selector argcount:1 type:KrollMethodInvoke name:nil context:[self context]] autorelease];
			}
			// attempt a function that has no args (basically a non-property property)
			selector = NSSelectorFromString([NSString stringWithFormat:@"%@",key]);
			if ([target respondsToSelector:selector])
			{
				return [target performSelector:selector];
			}
			id result = [target valueForKey:key];
			if (result!=nil)
			{
				if ([result isKindOfClass:[KrollMethodDelegate class]])
				{
					int argcount = [result args] ? 1 : 0;
					return [[[KrollMethod alloc] initWithTarget:[result target] selector:[result selector] argcount:argcount type:KrollMethodInvoke name:key context:[self context]] autorelease];
				}
				else if ([result isKindOfClass:[KrollPropertyDelegate class]])
				{
					KrollPropertyDelegate *d = (KrollPropertyDelegate*)result;
					return [[d target] performSelector:[d selector]];
				}
				return result;
			}
			// see if this is a create factory which we can do dynamically
			if ([key hasPrefix:@"create"])
			{
				SEL selector = @selector(createProxy:forName:context:);
				if ([target respondsToSelector:selector])
				{
					return [[[KrollMethod alloc] initWithTarget:target selector:selector argcount:2 type:KrollMethodFactory name:key context:[self context]] autorelease];
				}
			}
		}
		else 
		{
			NSString *attributes = [NSString stringWithCString:property_getAttributes(p) encoding:NSUTF8StringEncoding];
			SEL selector = NSSelectorFromString([NSString stringWithCString:property_getName(p) encoding:NSUTF8StringEncoding]);

			if ([attributes hasPrefix:@"T@"])
			{
				// this means its a return type of id
				return [target performSelector:selector];
			}
			else
			{
				// it's probably a primitive type - check for them
				NSMethodSignature *methodSignature = [target methodSignatureForSelector:selector];
				NSInvocation *invoker = [NSInvocation invocationWithMethodSignature:methodSignature];
				[invoker setSelector:selector];
				[invoker setTarget:target];
				[invoker invoke];
				if ([attributes hasPrefix:@"Td,"])
				{
					double result;
					[invoker getReturnValue:&result];
					return [NSNumber numberWithDouble:result];
				}
				else if ([attributes hasPrefix:@"Tf,"])
				{
					float result;
					[invoker getReturnValue:&result];
					return [NSNumber numberWithFloat:result];
				}
				else if ([attributes hasPrefix:@"Ti,"])
				{
					int result;
					[invoker getReturnValue:&result];
					return [NSNumber numberWithInt:result];
				}
				else if ([attributes hasPrefix:@"Tl,"])
				{
					long result;
					[invoker getReturnValue:&result];
					return [NSNumber numberWithLong:result];
				}
				else if ([attributes hasPrefix:@"Tc,"])
				{
					char result;
					[invoker getReturnValue:&result];
					return [NSNumber numberWithChar:result];
				}
				else 
				{
					// let it fall through and return undefined
					NSLog(@"[WARN] unsupported property: %@ for %@, attributes = %@",key,target,attributes);
				}
			}
		}
	}
	return [KrollUndefined undefined];
}

-(id)valueForKey:(NSString *)key
{
	BOOL executionSet = NO;
	@try 
	{
		// first consult our statics
		if (statics!=nil)
		{
			id result = [statics objectForKey:key];
			if (result!=nil)
			{
				return result;
			}
		}
		// second consult our fixed properties dictionary if we have one
		if (properties!=nil)
		{
			id result = [properties objectForKey:key];
			if (result!=nil)
			{
				return result;
			}
		}	
		if (targetable)
		{
			executionSet = YES;
			[target setExecutionContext:context.delegate];
		}
		id result = [self _valueForKey:key];
		// we can safely cache method objects
		if ([result isKindOfClass:[KrollObject class]])
		{
			[self setStaticValue:result forKey:key purgable:YES];
		}
		return result;
	}
	@finally 
	{
		if (executionSet)
		{
			[target setExecutionContext:nil];
		}
	}
}

-(void)deleteKey:(NSString*)key
{
	[target deleteKey:key];
}

-(void)setValue:(id)value forKey:(NSString *)key
{
	BOOL executionSet = NO;
	if ([target conformsToProtocol:@protocol(KrollTargetable)])
	{
		executionSet = YES;
		[target setExecutionContext:context.delegate];
	}
	
	@try 
	{
		if (value == [NSNull null])
		{
			value = nil;
		}
		
		NSString *name = [self propercase:key index:0];
		SEL selector = NSSelectorFromString([NSString stringWithFormat:@"set%@:withObject:",name]);
		if ([target respondsToSelector:selector])
		{
			[target performSelector:selector withObject:value withObject:nil];
			return;
		}
		selector = NSSelectorFromString([NSString stringWithFormat:@"set%@:",name]);
		if ([target respondsToSelector:selector])
		{
			[target performSelector:selector withObject:value];
		}
		else 
		{
			[target setValue:value forKey:key];
		}
	}
	@finally 
	{
		if (executionSet)
		{
			[target setExecutionContext:nil];
		}
	}
}

-(void)setStaticValue:(id)value forKey:(NSString*)key purgable:(BOOL)purgable
{
	if (purgable)
	{
		if (properties == nil)
		{
			properties = [[NSMutableDictionary alloc] initWithCapacity:3];
		}
		[properties setValue:value forKey:key];
	}
	else 
	{
		if (statics==nil)
		{
			statics = [[NSMutableDictionary alloc] initWithCapacity:2];
		}
		[statics setValue:value forKey:key];
	}
}


@end