/*
* Copyright (c) 2008-2022 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.
*/
#include "config.h"
#import "OFZIPURIHandler.h"
#import "OFStream.h"
#import "OFURI.h"
#import "OFZIPArchive.h"
#import "OFInvalidArgumentException.h"
@implementation OFZIPURIHandler
- (OFStream *)openItemAtURI: (OFURI *)URI mode: (OFString *)mode
{
void *pool = objc_autoreleasePoolPush();
OFString *percentEncodedPath, *archiveURI, *path;
size_t pos;
OFZIPArchive *archive;
OFStream *stream;
if (![URI.scheme isEqual: @"of-zip"] || URI.host != nil ||
URI.port != nil || URI.user != nil || URI.password != nil ||
URI.query != nil || URI.fragment != nil)
@throw [OFInvalidArgumentException exception];
if (![mode isEqual: @"r"])
/*
* Writing has some implications that are not decided yet: Will
* it always append to an archive? What happens if the file
* already exists?
*/
@throw [OFInvalidArgumentException exception];
percentEncodedPath = URI.percentEncodedPath;
pos = [percentEncodedPath rangeOfString: @"!"].location;
if (pos == OFNotFound)
@throw [OFInvalidArgumentException exception];
archiveURI = [percentEncodedPath substringWithRange:
OFMakeRange(0, pos)].stringByRemovingPercentEncoding;
path = [percentEncodedPath substringWithRange:
OFMakeRange(pos + 1, percentEncodedPath.length - pos - 1)]
.stringByRemovingPercentEncoding;
archive = [OFZIPArchive
archiveWithURI: [OFURI URIWithString: archiveURI]
mode: @"r"];
stream = [archive streamForReadingFile: path];
[stream retain];
objc_autoreleasePoolPop(pool);
return [stream autorelease];
}
@end