/*
* Copyright (c) 2008-2024 Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3.0 only,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* version 3.0 for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* version 3.0 along with this program. If not, see
* <https://www.gnu.org/licenses/>.
*/
#import "OFObject.h"
OF_ASSUME_NONNULL_BEGIN
/**
* @class OFValue OFValue.h ObjFW/OFValue.h
*
* @brief A class for storing arbitrary values in an object.
*/
@interface OFValue: OFObject <OFCopying>
/**
* @brief The ObjC type encoding of the value.
*/
@property (readonly, nonatomic) const char *objCType;
/**
* @brief The value as a pointer to void.
*
* @throw OFOutOfRangeException The value is not pointer-sized
*/
@property (readonly, nonatomic) void *pointerValue;
/**
* @brief The value as a non-retained object.
*
* @throw OFOutOfRangeException The value is not pointer-sized
*/
@property (readonly, nonatomic) id nonretainedObjectValue;
/**
* @brief The value as an OFRange.
*
* @throw OFOutOfRangeException The value is not OFRange-sized
*/
@property (readonly, nonatomic) OFRange rangeValue;
/**
* @brief The value as an OFPoint.
*
* @throw OFOutOfRangeException The value is not OFPoint-sized
*/
@property (readonly, nonatomic) OFPoint pointValue;
/**
* @brief The value as an OFSize.
*
* @throw OFOutOfRangeException The value is not OFSize-sized
*/
@property (readonly, nonatomic) OFSize sizeValue;
/**
* @brief The value as an OFRect.
*
* @throw OFOutOfRangeException The value is not OFRect-sized
*/
@property (readonly, nonatomic) OFRect rectValue;
/**
* @brief The value as an OFVector3D.
*
* @throw OFOutOfRangeException The value is not OFVector3D-sized
*/
@property (readonly, nonatomic) OFVector3D vector3DValue;
/**
* @brief The value as an OFVector4D.
*
* @throw OFOutOfRangeException The value is not OFVector4D-sized
*/
@property (readonly, nonatomic) OFVector4D vector4DValue;
/**
* @brief Creates a new, autorelease OFValue with the specified bytes of the
* specified type.
*
* @param bytes The bytes containing the value
* @param objCType The ObjC type encoding for the value
* @return A new, autoreleased OFValue
*/
+ (instancetype)valueWithBytes: (const void *)bytes
objCType: (const char *)objCType;
/**
* @brief Creates a new, autoreleased OFValue containing the specified pointer.
*
* Only the raw value of the pointer is stored and no data will be copied.
*
* @param pointer The pointer the OFValue should contain
* @return A new, autoreleased OFValue
*/
+ (instancetype)valueWithPointer: (const void *)pointer;
/**
* @brief Creates a new, autoreleased OFValue containing the specified
* non-retained object.
*
* The object is not retained, which makes this useful for storing objects in
* collections without retaining them.
*
* @param object The object the OFValue should contain without retaining it
* @return A new, autoreleased OFValue
*/
+ (instancetype)valueWithNonretainedObject: (id)object;
/**
* @brief Creates a new, autoreleased OFValue containing the specified range.
*
* @param range The range the OFValue should contain
* @return A new, autoreleased OFValue
*/
+ (instancetype)valueWithRange: (OFRange)range;
/**
* @brief Creates a new, autoreleased OFValue containing the specified point.
*
* @param point The point the OFValue should contain
* @return A new, autoreleased OFValue
*/
+ (instancetype)valueWithPoint: (OFPoint)point;
/**
* @brief Creates a new, autoreleased OFValue containing the specified size.
*
* @param size The size the OFValue should contain
* @return A new, autoreleased OFValue
*/
+ (instancetype)valueWithSize: (OFSize)size;
/**
* @brief Creates a new, autoreleased OFValue containing the specified
* rectangle.
*
* @param rect The rectangle the OFValue should contain
* @return A new, autoreleased OFValue
*/
+ (instancetype)valueWithRect: (OFRect)rect;
/**
* @brief Creates a new, autoreleased OFValue containing the specified
* 3D vector.
*
* @param vector3D The 3D vector the OFValue should contain
* @return A new, autoreleased OFValue
*/
+ (instancetype)valueWithVector3D: (OFVector3D)vector3D;
/**
* @brief Creates a new, autoreleased OFValue containing the specified
* 4D vector.
*
* @param vector4D The 4D vector the OFValue should contain
* @return A new, autoreleased OFValue
*/
+ (instancetype)valueWithVector4D: (OFVector4D)vector4D;
/**
* @brief Initializes an already allocated OFValue with the specified bytes of
* the specified type.
*
* @param bytes The bytes containing the value
* @param objCType The ObjC type encoding for the value
* @return An initialized OFValue
*/
- (instancetype)initWithBytes: (const void *)bytes
objCType: (const char *)objCType OF_DESIGNATED_INITIALIZER;
- (instancetype)init OF_UNAVAILABLE;
/**
* @brief Gets the value.
*
* @param value The buffer to copy the value into
* @param size The size of the value
* @throw OFOutOfRangeException The specified size does not match the value
*/
- (void)getValue: (void *)value size: (size_t)size;
@end
OF_ASSUME_NONNULL_END
#if !defined(NSINTEGER_DEFINED) && !__has_feature(modules)
/* Required for array literals to work */
@compatibility_alias NSValue OFValue;
#endif