/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013
* Jonathan Schleifer <js@webkeks.org>
*
* 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.
*/
#include <sys/types.h>
#import "OFException.h"
@class OFSeekableStream;
/*!
* @brief An exception indicating that seeking in a stream failed.
*/
@interface OFSeekFailedException: OFException
{
OFSeekableStream *_stream;
off_t _offset;
int _whence, _errNo;
}
#ifdef OF_HAVE_PROPERTIES
@property (readonly, retain, nonatomic) OFSeekableStream *stream;
@property (readonly) off_t offset;
@property (readonly) int whence, errNo;
#endif
/*!
* @brief Creates a new, autoreleased seek failed exception.
*
* @param class_ The class of the object which caused the exception
* @param stream The stream for which seeking failed
* @param offset The offset to which seeking failed
* @param whence To what the offset is relative
* @return A new, autoreleased seek failed exception
*/
+ (instancetype)exceptionWithClass: (Class)class_
stream: (OFSeekableStream*)stream
offset: (off_t)offset
whence: (int)whence;
/*!
* @brief Initializes an already allocated seek failed exception.
*
* @param class_ The class of the object which caused the exception
* @param stream The stream for which seeking failed
* @param offset The offset to which seeking failed
* @param whence To what the offset is relative
* @return An initialized seek failed exception
*/
- initWithClass: (Class)class_
stream: (OFSeekableStream*)stream
offset: (off_t)offset
whence: (int)whence;
/*!
* @brief Returns the stream for which seeking failed.
*
* @return The stream for which seeking failed
*/
- (OFSeekableStream*)stream;
/*!
* @brief Returns the offset to which seeking failed.
*
* @return The offset to which seeking failed
*/
- (off_t)offset;
/*!
* @brief Returns to what the offset is relative.
*
* @return To what the offset is relative
*/
- (int)whence;
/*!
* @brief Returns the errno from when the exception was created.
*
* @return The errno from when the exception was created
*/
- (int)errNo;
@end