ObjFW  OFSeekFailedException.m at [cc5923d6bb]

File src/exceptions/OFSeekFailedException.m artifact 001a049def part of check-in cc5923d6bb

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
 *   Jonathan Schleifer <js@heap.zone>
 *
 * 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 "config.h"

#import "OFSeekFailedException.h"
#import "OFString.h"
#import "OFSeekableStream.h"

@implementation OFSeekFailedException
@synthesize stream = _stream, offset = _offset, whence = _whence;
@synthesize errNo = _errNo;

+ (instancetype)exception
{
	OF_UNRECOGNIZED_SELECTOR
}

+ (instancetype)exceptionWithStream: (OFSeekableStream *)stream
			     offset: (of_offset_t)offset
			     whence: (int)whence
{
	return [[[self alloc] initWithStream: stream
				      offset: offset
				      whence: whence] autorelease];
}

+ (instancetype)exceptionWithStream: (OFSeekableStream *)stream
			     offset: (of_offset_t)offset
			     whence: (int)whence
			      errNo: (int)errNo
{
	return [[[self alloc] initWithStream: stream
				      offset: offset
				      whence: whence
				       errNo: errNo] autorelease];
}

- init
{
	OF_INVALID_INIT_METHOD
}

- initWithStream: (OFSeekableStream *)stream
	  offset: (of_offset_t)offset
	  whence: (int)whence
{
	return [self initWithStream: stream
			     offset: offset
			     whence: whence
			      errNo: 0];
}

- initWithStream: (OFSeekableStream *)stream
	  offset: (of_offset_t)offset
	  whence: (int)whence
	   errNo: (int)errNo
{
	self = [super init];

	_stream = [stream retain];
	_offset = offset;
	_whence = whence;
	_errNo = errNo;

	return self;
}

- (void)dealloc
{
	[_stream release];

	[super dealloc];
}

- (OFString *)description
{
	if (_errNo != 0)
		return [OFString stringWithFormat:
		    @"Seeking failed in stream of type %@: %@",
		    [_stream class], of_strerror(_errNo)];
	else
		return [OFString stringWithFormat:
		    @"Seeking failed in stream of type %@!", [_stream class]];
}
@end