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/*
 * Copyright (c) 2008-2022 Jonathan Schleifer <js@nil.im>
 * Copyright (c) 2008-2024 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.
 *
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#import "ZIPArchive.h"
#import "OFArc.h"

#import "OFInvalidFormatException.h"
#import "OFOpenItemFailedException.h"
#import "OFOutOfRangeException.h"
#import "OFSetItemAttributesFailedException.h"

static OFArc *app;

static void
setPermissions(OFString *path, OFZIPArchiveEntry *entry)
{
#ifdef OF_FILE_MANAGER_SUPPORTS_PERMISSIONS
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	if (modificationDate == nil)
		return;

	attributes = [OFDictionary
	    dictionaryWithObject: modificationDate
			  forKey: OFFileModificationDate];
	@try {
	[[OFFileManager defaultManager] setAttributes: attributes
					 ofItemAtPath: path];
		[[OFFileManager defaultManager] setAttributes: attributes
						 ofItemAtPath: path];
	} @catch (OFSetItemAttributesFailedException *e) {
		if (e.errNo != EISDIR)
			@throw e;
	}
}

@implementation ZIPArchive
+ (void)initialize
{
	if (self == [ZIPArchive class])
		app = (OFArc *)[OFApplication sharedApplication].delegate;
}

+ (instancetype)archiveWithPath: (OFString *)path
+ (instancetype)archiveWithStream: (OF_KINDOF(OFStream *))stream
			     mode: (OFString *)mode
			 encoding: (OFStringEncoding)encoding
			 stream: (OF_KINDOF(OFStream *))stream
			   mode: (OFString *)mode
		       encoding: (OFStringEncoding)encoding
{
	return [[[self alloc] initWithStream: stream
					mode: mode
				    encoding: encoding] autorelease];
	return [[[self alloc] initWithPath: path
				    stream: stream
				      mode: mode
				  encoding: encoding] autorelease];
}

- (instancetype)initWithPath: (OFString *)path
- (instancetype)initWithStream: (OF_KINDOF(OFStream *))stream
			  mode: (OFString *)mode
		      encoding: (OFStringEncoding)encoding
		      stream: (OF_KINDOF(OFStream *))stream
			mode: (OFString *)mode
		    encoding: (OFStringEncoding)encoding
{
	self = [super init];

	@try {
		_path = [path copy];
		_archive = [[OFZIPArchive alloc] initWithStream: stream
							   mode: mode];
		_archive.delegate = self;
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (void)dealloc
{
	[_path release];
	[_archive release];

	[super dealloc];
}

- (OFSeekableStream *)archive: (OFZIPArchive *)archive
	    wantsPartNumbered: (unsigned int)partNumber
	       lastPartNumber: (unsigned int)lastPartNumber
{
	OFString *path;

	if ([_path.pathExtension caseInsensitiveCompare: @"zip"] !=
	    OFOrderedSame)
		return nil;

	if (partNumber > 98)
		return nil;

	if (partNumber == lastPartNumber)
		path = _path;
	else
		path = [_path.stringByDeletingPathExtension
		    stringByAppendingFormat: @".z%02u", partNumber + 1];

	return [OFFile fileWithPath: path mode: @"r"];
}

- (void)listFiles
{
	for (OFZIPArchiveEntry *entry in _archive.entries) {
		void *pool = objc_autoreleasePoolPush();

		[OFStdOut writeLine: entry.fileName];