#include "PropertyList.h"

@implementation PLItem

+ (PLItem) newDictionary
{
	return [PLDictionary new];
}

+ (PLItem) newArray
{
	return [PLArray new];
}

+ (PLItem) newData:(void[]) data size:(integer) len
{
	return [PLData new:data size:len];
}

+ (PLItem) newString:(string) str
{
	return [PLString new:str];
}

+ (PLItem) newFromString:(string) str
{
	return [PLItem itemClass: PL_GetPropertyList (str)];
}

+itemClass:(plitem_t) item
{
	local string classname = NIL;
	local Class class;

	if (!PL_TEST (item))
		return NIL;
	switch (PL_Type (item)) {
	case QFDictionary:
		classname = "PLDictionary";
		break;
	case QFArray:
		classname = "PLArray";
		break;
	case QFBinary:
		classname = "PLData";
		break;
	case QFString:
		classname = "PLString";
		break;
	default:
		return NIL;
	}
	class = obj_lookup_class (classname);
	return [[class alloc] initWithItem: item];
}

-initWithItem:(plitem_t) item
{
	if (!(self = [super init]))
		return self;
	self.item = item;
	own = 0;
	return self;
}

-initWithOwnItem:(plitem_t) item
{
	if (!(self = [super init]))
		return self;
	self.item = item;
	own = 1;
	return self;
}

-dealloc
{
	if (own)
		PL_Free (item);
	[super dealloc];
}

- (string) write
{
	return PL_WritePropertyList (item);
}

- (pltype_t) type
{
	return PL_Type (item);
}

@end


@implementation PLDictionary

+ (PLDictionary) new
{
	return [[PLDictionary alloc] initWithOwnItem: PL_NewDictionary ()];
}

- (integer) count
{
	return PL_D_NumKeys (item);
}

- (integer) numKeys
{
	return PL_D_NumKeys (item);
}

- (PLItem) getObjectForKey:(string) key
{
	return [PLItem itemClass: PL_ObjectForKey (item, key)];
}

- (PLItem) allKeys
{
	return [PLItem itemClass: PL_D_AllKeys (item)];
}

- addKey:(PLItem) key value:(PLItem) value
{
	if (!key.own || !value.own) {
		obj_error (self, 0, "add of unowned key/value to PLDictionary");
		return self;
	}
	PL_D_AddObject (item, key.item, value.item);
	key.own = value.own = 0;
	[key release];
	[value release];
	return self;
}

@end

@implementation PLArray

+ (PLArray) new
{
	return [[PLArray alloc] initWithOwnItem: PL_NewArray ()];
}

- (integer) count
{
	return PL_A_NumObjects (item);
}

- (integer) numObjects
{
	return PL_A_NumObjects (item);
}

- (PLItem) getObjectAtIndex:(integer) index
{
	return [PLItem itemClass: PL_ObjectAtIndex (item, index)];
}

- addObject:(PLItem) object
{
	if (!object.own) {
		obj_error (self, 0, "add of unowned object to PLArray");
		return self;
	}
	PL_A_AddObject (item, object.item);
	object.own = 0;
	[object release];
	return self;
}

- insertObject:(PLItem) object atIndex:(integer) index
{
	if (!object.own) {
		obj_error (self, 0, "add of unowned object to PLArray");
		return self;
	}
	PL_A_InsertObjectAtIndex (item, object.item, index);
	object.own = 0;
	[object release];
	return self;
}

@end

@implementation PLData

+ (PLData) new:(void[]) data size:(integer) len
{
	return [[PLData alloc] initWithOwnItem: PL_NewData (data, len)];
}

@end

@implementation PLString

+ (PLString) new: (string) str
{
	return [[PLString alloc] initWithOwnItem: PL_NewString (str)];
}

- (string) string
{
	return PL_String (item);
}

@end