QuietUnrar/Carthage/Checkouts/UnrarKit/Classes/URKArchive.h

497 lines
17 KiB
Objective-C

//
// URKArchive.h
// UnrarKit
//
//
#import <CoreGraphics/CoreGraphics.h>
#import <Foundation/Foundation.h>
#import "UnrarKitMacros.h"
RarosHppIgnore
#import "raros.hpp"
#pragma clang diagnostic pop
DllHppIgnore
#import "dll.hpp"
#pragma clang diagnostic pop
@class URKFileInfo;
/**
* Defines the various error codes that the listing and extraction methods return.
* These are returned in NSError's [code]([NSError code]) field.
*/
typedef NS_ENUM(NSInteger, URKErrorCode) {
/**
* The archive's header is empty
*/
URKErrorCodeEndOfArchive = ERAR_END_ARCHIVE,
/**
* The library ran out of memory while reading the archive
*/
URKErrorCodeNoMemory = ERAR_NO_MEMORY,
/**
* The header is broken
*/
URKErrorCodeBadData = ERAR_BAD_DATA,
/**
* The archive is not a valid RAR file
*/
URKErrorCodeBadArchive = ERAR_BAD_ARCHIVE,
/**
* The archive is an unsupported RAR format or version
*/
URKErrorCodeUnknownFormat = ERAR_UNKNOWN_FORMAT,
/**
* Failed to open a reference to the file
*/
URKErrorCodeOpen = ERAR_EOPEN,
/**
* Failed to create the target directory for extraction
*/
URKErrorCodeCreate = ERAR_ECREATE,
/**
* Failed to close the archive
*/
URKErrorCodeClose = ERAR_ECLOSE,
/**
* Failed to read the archive
*/
URKErrorCodeRead = ERAR_EREAD,
/**
* Failed to write a file to disk
*/
URKErrorCodeWrite = ERAR_EWRITE,
/**
* The archive header's comments are larger than the buffer size
*/
URKErrorCodeSmall = ERAR_SMALL_BUF,
/**
* The cause of the error is unspecified
*/
URKErrorCodeUnknown = ERAR_UNKNOWN,
/**
* A password was not given for a password-protected archive
*/
URKErrorCodeMissingPassword = ERAR_MISSING_PASSWORD,
/**
* No data was returned from the archive
*/
URKErrorCodeArchiveNotFound = 101,
/**
* User cancelled the operation
*/
URKErrorCodeUserCancelled = 102,
/**
* Error converting string to UTF-8
*/
URKErrorCodeStringConversion = 103,
};
typedef NSString *const URKProgressInfoKey;
/**
* Defines the keys passed in `-[NSProgress userInfo]` for certain methods
*/
static URKProgressInfoKey _Nonnull
/**
* For `extractFilesTo:overwrite:error:`, this key contains an instance of URKFileInfo with the file currently being extracted
*/
URKProgressInfoKeyFileInfoExtracting = @"URKProgressInfoKeyFileInfoExtracting";
NS_ASSUME_NONNULL_BEGIN
extern NSString *URKErrorDomain;
/**
* An Objective-C/Cocoa wrapper around the unrar library
*/
@interface URKArchive : NSObject
// Minimum of iOS 9, macOS 10.11 SDKs
#if (defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED > 90000) || (defined(MAC_OS_X_VERSION_MIN_REQUIRED) && MAC_OS_X_VERSION_MIN_REQUIRED > 101100)
<NSProgressReporting>
#endif
/**
* The URL of the archive
*/
@property(nullable, weak, atomic, readonly) NSURL *fileURL;
/**
* The filename of the archive
*/
@property(nullable, weak, atomic, readonly) NSString *filename;
/**
* The password of the archive
*/
@property(nullable, nonatomic, strong) NSString *password;
/**
* The total uncompressed size (in bytes) of all files in the archive. Returns nil on errors
*/
@property(nullable, atomic, readonly) NSNumber *uncompressedSize;
/**
* The total compressed size (in bytes) of the archive. Returns nil on errors
*/
@property(nullable, atomic, readonly) NSNumber *compressedSize;
/**
* True if the file is one volume of a multi-part archive
*/
@property(atomic, readonly) BOOL hasMultipleVolumes;
/**
* Can be used for progress reporting, but it's not necessary. You can also use
* implicit progress reporting. If you don't use it, one will still be created,
* which will become a child progress of whichever one is the current NSProgress
* instance.
*
* To use this, assign it before beginning an operation that reports progress. Once
* the method you're calling has a reference to it, it will nil it out. Please check
* for nil before assigning it to avoid concurrency conflicts.
*/
@property(nullable, strong) NSProgress *progress;
/**
* **DEPRECATED:** Creates and returns an archive at the given path
*
* @param filePath A path to the archive file
*/
+ (nullable instancetype)rarArchiveAtPath:(NSString *)filePath __deprecated_msg("Use -initWithPath:error: instead");
/**
* **DEPRECATED:** Creates and returns an archive at the given URL
*
* @param fileURL The URL of the archive file
*/
+ (nullable instancetype)rarArchiveAtURL:(NSURL *)fileURL __deprecated_msg("Use -initWithURL:error: instead");
/**
* **DEPRECATED:** Creates and returns an archive at the given path, with a given password
*
* @param filePath A path to the archive file
* @param password The passowrd of the given archive
*/
+ (nullable instancetype)rarArchiveAtPath:(NSString *)filePath password:(NSString *)password __deprecated_msg("Use -initWithPath:password:error: instead");
/**
* **DEPRECATED:** Creates and returns an archive at the given URL, with a given password
*
* @param fileURL The URL of the archive file
* @param password The passowrd of the given archive
*/
+ (nullable instancetype)rarArchiveAtURL:(NSURL *)fileURL password:(NSString *)password __deprecated_msg("Use -initWithURL:password:error: instead");
/**
* Do not use the default initializer
*/
- (instancetype)init NS_UNAVAILABLE;
/**
* Creates and returns an archive at the given path
*
* @param filePath A path to the archive file
* @param error Contains any error during initialization
*
* @return Returns an initialized URKArchive, unless there's a problem creating a bookmark to the path
*/
- (nullable instancetype)initWithPath:(NSString *)filePath error:(NSError **)error;
/**
* Creates and returns an archive at the given URL
*
* @param fileURL The URL of the archive file
* @param error Contains any error during initialization
*
* @return Returns an initialized URKArchive, unless there's a problem creating a bookmark to the URL
*/
- (nullable instancetype)initWithURL:(NSURL *)fileURL error:(NSError **)error;
/**
* Creates and returns an archive at the given path, with a given password
*
* @param filePath A path to the archive file
* @param password The passowrd of the given archive
* @param error Contains any error during initialization
*
* @return Returns an initialized URKArchive, unless there's a problem creating a bookmark to the path
*/
- (nullable instancetype)initWithPath:(NSString *)filePath password:(NSString *)password error:(NSError **)error;
/**
* Creates and returns an archive at the given URL, with a given password
*
* @param fileURL The URL of the archive file
* @param password The passowrd of the given archive
* @param error Contains any error during initialization
*
* @return Returns an initialized URKArchive, unless there's a problem creating a bookmark to the URL
*/
- (nullable instancetype)initWithURL:(NSURL *)fileURL password:(NSString *)password error:(NSError **)error;
/**
* Determines whether a file is a RAR archive by reading the signature
*
* @param filePath Path to the file being checked
*
* @return YES if the file exists and contains a signature indicating it is a RAR archive
*/
+ (BOOL)pathIsARAR:(NSString *)filePath;
/**
* Determines whether a file is a RAR archive by reading the signature
*
* @param fileURL URL of the file being checked
*
* @return YES if the file exists and contains a signature indicating it is a RAR archive
*/
+ (BOOL)urlIsARAR:(NSURL *)fileURL;
/**
* Lists the names of the files in the archive
*
* @param error Contains an NSError object when there was an error reading the archive
*
* @return Returns a list of NSString containing the paths within the archive's contents, or nil if an error was encountered
*/
- (nullable NSArray<NSString*> *)listFilenames:(NSError **)error;
/**
* Lists the various attributes of each file in the archive
*
* @param error Contains an NSError object when there was an error reading the archive
*
* @return Returns a list of URKFileInfo objects, which contain metadata about the archive's files, or nil if an error was encountered
*/
- (nullable NSArray<URKFileInfo*> *)listFileInfo:(NSError **)error;
/**
* Iterates the header of the archive, calling the block with each archived file's info.
*
* WARNING: There is no filtering of duplicate header entries. If a file is listed twice, `action`
* will be called twice with that file's path
*
* @param action The action to perform using the data. Must be non-nil
*
* - *fileInfo* The metadata of the file within the archive
* - *stop* Set to YES to stop reading the archive
*
* @param error Contains an NSError object when there was an error reading the archive
*
* @return Returns NO if an error was encountered
*/
- (BOOL) iterateFileInfo:(void(^)(URKFileInfo *fileInfo, BOOL *stop))action
error:(NSError **)error;
/**
* Lists the URLs of volumes in a single- or multi-volume archive
*
* @param error Contains an NSError object when there was an error reading the archive
*
* @return Returns the list of URLs of all volumes of the archive
*/
- (nullable NSArray<NSURL*> *)listVolumeURLs:(NSError **)error;
/**
* Writes all files in the archive to the given path. Supports NSProgress for progress reporting, which also
* allows cancellation in the middle of extraction. Use the progress property (as explained in the README) to
* retrieve more detailed information, such as the current file being extracted, number of files extracted,
* and the URKFileInfo instance being extracted
*
* @param filePath The destination path of the unarchived files
* @param overwrite YES to overwrite files in the destination directory, NO otherwise
* @param error Contains an NSError object when there was an error reading the archive
*
* @return YES on successful extraction, NO if an error was encountered
*/
- (BOOL)extractFilesTo:(NSString *)filePath
overwrite:(BOOL)overwrite
error:(NSError **)error;
/**
* **DEPRECATED:** Writes all files in the archive to the given path
*
* @param filePath The destination path of the unarchived files
* @param overwrite YES to overwrite files in the destination directory, NO otherwise
* @param progressBlock Called every so often to report the progress of the extraction
*
* - *currentFile* The info about the file that's being extracted
* - *percentArchiveDecompressed* The percentage of the archive that has been decompressed
*
* @param error Contains an NSError object when there was an error reading the archive
*
* @return YES on successful extraction, NO if an error was encountered
*/
- (BOOL)extractFilesTo:(NSString *)filePath
overwrite:(BOOL)overwrite
progress:(nullable void (^)(URKFileInfo *currentFile, CGFloat percentArchiveDecompressed))progressBlock
error:(NSError **)error __deprecated_msg("Use -extractFilesTo:overwrite:error: instead, and if using the progress block, replace with NSProgress as described in the README");
/**
* Unarchive a single file from the archive into memory. Supports NSProgress for progress reporting, which also
* allows cancellation in the middle of extraction
*
* @param fileInfo The info of the file within the archive to be expanded. Only the filename property is used
* @param error Contains an NSError object when there was an error reading the archive
*
* @return An NSData object containing the bytes of the file, or nil if an error was encountered
*/
- (nullable NSData *)extractData:(URKFileInfo *)fileInfo
error:(NSError **)error;
/**
* **DEPRECATED:** Unarchive a single file from the archive into memory
*
* @param fileInfo The info of the file within the archive to be expanded. Only the filename property is used
* @param progressBlock Called every so often to report the progress of the extraction
*
* - *percentDecompressed* The percentage of the archive that has been decompressed
*
* @param error Contains an NSError object when there was an error reading the archive
*
* @return An NSData object containing the bytes of the file, or nil if an error was encountered
*/
- (nullable NSData *)extractData:(URKFileInfo *)fileInfo
progress:(nullable void (^)(CGFloat percentDecompressed))progressBlock
error:(NSError **)error __deprecated_msg("Use -extractData:error: instead, and if using the progress block, replace with NSProgress as described in the README");
/**
* Unarchive a single file from the archive into memory. Supports NSProgress for progress reporting, which also
* allows cancellation in the middle of extraction
*
* @param filePath The path of the file within the archive to be expanded
*
* - *percentDecompressed* The percentage of the file that has been decompressed
*
* @param error Contains an NSError object when there was an error reading the archive
*
* @return An NSData object containing the bytes of the file, or nil if an error was encountered
*/
- (nullable NSData *)extractDataFromFile:(NSString *)filePath
error:(NSError **)error;
/**
* **DEPRECATED:** Unarchive a single file from the archive into memory
*
* @param filePath The path of the file within the archive to be expanded
* @param progressBlock Called every so often to report the progress of the extraction
*
* - *percentDecompressed* The percentage of the file that has been decompressed
*
* @param error Contains an NSError object when there was an error reading the archive
*
* @return An NSData object containing the bytes of the file, or nil if an error was encountered
*/
- (nullable NSData *)extractDataFromFile:(NSString *)filePath
progress:(nullable void (^)(CGFloat percentDecompressed))progressBlock
error:(NSError **)error __deprecated_msg("Use -extractDataFromFile:error: instead, and if using the progress block, replace with NSProgress as described in the README");
/**
* Loops through each file in the archive in alphabetical order, allowing you to perform an
* action using its info. Supports NSProgress for progress reporting, which also allows
* cancellation of the operation in the middle
*
* @param action The action to perform using the data
*
* - *fileInfo* The metadata of the file within the archive
* - *stop* Set to YES to stop reading the archive
*
* @param error Contains an error if any was returned
*
* @return YES if no errors were encountered, NO otherwise
*/
- (BOOL)performOnFilesInArchive:(void(^)(URKFileInfo *fileInfo, BOOL *stop))action
error:(NSError **)error;
/**
* Extracts each file in the archive into memory, allowing you to perform an action
* on it (not sorted). Supports NSProgress for progress reporting, which also allows
* cancellation of the operation in the middle
*
* @param action The action to perform using the data
*
* - *fileInfo* The metadata of the file within the archive
* - *fileData* The full data of the file in the archive
* - *stop* Set to YES to stop reading the archive
*
* @param error Contains an error if any was returned
*
* @return YES if no errors were encountered, NO otherwise
*/
- (BOOL)performOnDataInArchive:(void(^)(URKFileInfo *fileInfo, NSData *fileData, BOOL *stop))action
error:(NSError **)error;
/**
* Unarchive a single file from the archive into memory. Supports NSProgress for progress reporting, which also
* allows cancellation in the middle of extraction
*
* @param filePath The path of the file within the archive to be expanded
* @param error Contains an NSError object when there was an error reading the archive
* @param action The block to run for each chunk of data, each of size <= bufferSize
*
* - *dataChunk* The data read from the archived file. Read bytes and length to write the data
* - *percentDecompressed* The percentage of the file that has been decompressed
*
* @return YES if all data was read successfully, NO if an error was encountered
*/
- (BOOL)extractBufferedDataFromFile:(NSString *)filePath
error:(NSError **)error
action:(void(^)(NSData *dataChunk, CGFloat percentDecompressed))action;
/**
* YES if archive protected with a password, NO otherwise
*/
- (BOOL)isPasswordProtected;
/**
* Tests whether the provided password unlocks the archive
*
* @return YES if correct password or archive is not password protected, NO if password is wrong
*/
- (BOOL)validatePassword;
/**
Extract each file in the archive, checking whether the data matches the CRC checksum
stored at the time it was written
@return YES if the data is all correct, false if any check failed
*/
- (BOOL)checkDataIntegrity;
/**
Extract a particular file, to determine if its data matches the CRC
checksum stored at the time it written
@param filePath The file in the archive to check
@return YES if the data is correct, false if any check failed
*/
- (BOOL)checkDataIntegrityOfFile:(NSString *)filePath;
@end
NS_ASSUME_NONNULL_END