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//
// ZZArchive.h
// ZipZap
//
// Created by Glen Low on 25/09/12.
// Copyright (c) 2012, Pixelglow Software. All rights reserved.
//
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
// BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
// OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
// THE POSSIBILITY OF SUCH DAMAGE.
//
#import <Foundation/Foundation.h>
#import "ZZConstants.h"
@class ZZArchiveEntry;
NS_ASSUME_NONNULL_BEGIN
/**
* The ZZArchive class represents a zip file for reading only.
*/
@interface ZZArchive : NSObject
/**
* The URL representing this archive.
*/
@property (readonly, nullable, nonatomic) NSURL* URL;
/**
* The uninterpreted contents of this archive.
*/
@property (readonly, nonatomic) NSData* contents;
/**
* The array of ZZArchiveEntry entries within this archive.
*/
@property (readonly, nonatomic) NSArray<ZZArchiveEntry*>* entries;
/**
* Creates a new archive with the zip file at the given file URL.
*
* The archive will use UTF-8 encoding for reading entry file names and comments, and will not create the file if it is missing.
*
* @param URL The file URL of the zip file.
* @param error The error information when an error occurs. Pass in nil if you do not want error information.
* @return The initialized archive. Returns nil if the archive cannot be initialized.
*/
+ (nullable instancetype)archiveWithURL:(NSURL*)URL
error:(out NSError**)error;
/**
* Creates a new archive with the raw zip file data given.
*
* The archive will use UTF-8 encoding for reading entry file names and comments, and will not create the data if it is missing.
*
* @param data The raw data of the zip file.
* @param error The error information when an error occurs. Pass in nil if you do not want error information.
* @return The initialized archive. Returns nil if the archive cannot be initialized.
*/
+ (nullable instancetype)archiveWithData:(NSData*)data
error:(out NSError**)error;
/**
* This initializer should never be used.
*/
- (instancetype)init NS_UNAVAILABLE;
/**
* Initializes a new archive with the zip file at the given file URL.
*
* @param URL The file URL of the zip file.
* @param options The options to consider when opening the zip file.
* @param error The error information when an error occurs. Pass in nil if you do not want error information.
* @return The initialized archive. Returns nil if the archive cannot be initialized.
*/
- (nullable instancetype)initWithURL:(NSURL*)URL
options:(nullable NSDictionary*)options
error:(out NSError**)error;
/**
* Initializes a new archive with the raw zip file data given.
*
* @param data The raw data of the zip file
* @param options The options to consider when opening the zip file.
* @param error The error information when an error occurs. Pass in nil if you do not want error information.
* @return The initialized archive. Returns nil if the archive cannot be initialized.
*/
- (nullable instancetype)initWithData:(NSData*)data
options:(nullable NSDictionary*)options
error:(out NSError**)error;
/**
* Updates the entries and writes them to the source.
*
* If the write fails and the entries are completely new, the existing zip file will be untouched.
*
* If the write fails and the entries contain some or all existing entries, the zip file may be corrupted.
* In this case, the error information will report the ZZReplaceWriteErrorCode error code.
*
* @param newEntries The entries to update to, may contain some or all existing entries.
* @param error The error information when an error occurs. Pass in nil if you do not want error information.
* @return Whether the update was successful or not.
*
*/
- (BOOL)updateEntries:(NSArray<ZZArchiveEntry*>*)newEntries
error:(out NSError**)error;
@end
NS_ASSUME_NONNULL_END