/*
* Copyright (c) 2008-2021 Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#import "OFException.h"
OF_ASSUME_NONNULL_BEGIN
/**
* @class OFUndefinedKeyException \
* OFUndefinedKeyException.h ObjFW/OFUndefinedKeyException.h
*
* @brief An exception indicating that a key is undefined (e.g. for Key Value
* Coding).
*/
@interface OFUndefinedKeyException: OFException
{
id _object;
OFString *_key;
id _Nullable _value;
}
/**
* @brief The object on which the key is undefined.
*/
@property (readonly, nonatomic) id object;
/**
* @brief The key which is undefined.
*/
@property (readonly, nonatomic) OFString *key;
/**
* @brief The value for the undefined key
*/
@property OF_NULLABLE_PROPERTY (readonly, nonatomic) id value;
+ (instancetype)exception OF_UNAVAILABLE;
/**
* @brief Creates a new, autoreleased undefined key exception.
*
* @param object The object on which the key is undefined
* @param key The key which is undefined
*
* @return A new, autoreleased undefined key exception
*/
+ (instancetype)exceptionWithObject: (id)object
key: (OFString *)key;
/**
* @brief Creates a new, autoreleased undefined key exception.
*
* @param object The object on which the key is undefined
* @param key The key which is undefined
* @param value The value for the undefined key
*
* @return A new, autoreleased undefined key exception
*/
+ (instancetype)exceptionWithObject: (id)object
key: (OFString *)key
value: (nullable id)value;
- (instancetype)init OF_UNAVAILABLE;
/**
* @brief Initializes an already allocated undefined key exception.
*
* @param object The object on which the key is undefined
* @param key The key which is undefined
*
* @return An initialized undefined key exception
*/
- (instancetype)initWithObject: (id)object
key: (OFString *)key;
/**
* @brief Initializes an already allocated undefined key exception.
*
* @param object The object on which the key is undefined
* @param key The key which is undefined
* @param value The value for the undefined key
*
* @return An initialized undefined key exception
*/
- (instancetype)initWithObject: (id)object
key: (OFString *)key
value: (nullable id)value OF_DESIGNATED_INITIALIZER;
@end
OF_ASSUME_NONNULL_END