ObjFW  Check-in [9104575517]

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Comment:OFTarArchive: Prepare for adding write support
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SHA3-256: 91045755179794c066c854aaf4bc91c1f47b766b72c06962a9fe1796fdd188ec
User & Date: js on 2017-08-02 20:11:29
Other Links: manifest | tags
Context
2017-08-02
20:23
OFFile: Remove the b modes from MorphOS check-in: 18d04d2fd4 user: js tags: trunk
20:11
OFTarArchive: Prepare for adding write support check-in: 9104575517 user: js tags: trunk
20:04
OFZIPArchive: Prepare for adding write support check-in: 22a6ad346c user: js tags: trunk
Changes
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Modified src/OFTarArchive.h from [90a272ca60] to [32c44fd3a1].

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@interface OFTarArchive: OFObject
{
#ifdef OF_TAR_ARCHIVE_ENTRY_M
@public
#endif
	OFStream *_stream;
@protected
	enum {
		OF_TAR_ARCHIVE_MODE_READ,
		OF_TAR_ARCHIVE_MODE_WRITE,
		OF_TAR_ARCHIVE_MODE_APPEND
	} _mode;
	OFTarArchiveEntry *_lastReturnedEntry;
}

/*!
 * @brief Creates a new OFTarArchive object with the specified stream.
 *
 * @param stream A stream from which the tar archive will be read
 * @param mode The mode for the tar file. Valid modes are "r" for reading,
 *	       "w" for creating a new file and "a" for appending to an existing
 *	       file.
 * @return A new, autoreleased OFTarArchive
 */
+ (instancetype)archiveWithStream: (OFStream *)stream;
+ (instancetype)archiveWithStream: (OFStream *)stream
			     mode: (OFString *)mode;

#ifdef OF_HAVE_FILES
/*!
 * @brief Creates a new OFTarArchive object with the specified file.
 *
 * @param path The path to the tar archive
 * @param mode The mode for the tar file. Valid modes are "r" for reading,
 *	       "w" for creating a new file and "a" for appending to an existing
 *	       file.
 * @return A new, autoreleased OFTarArchive
 */
+ (instancetype)archiveWithPath: (OFString *)path;
+ (instancetype)archiveWithPath: (OFString *)path
			   mode: (OFString *)mode;
#endif

/*!
 * @brief Initializes an already allocated OFTarArchive object with the
 *	  specified stream.
 *
 * @param stream A stream from which the tar archive will be read
 * @param mode The mode for the tar file. Valid modes are "r" for reading,
 *	       "w" for creating a new file and "a" for appending to an existing
 *	       file.
 * @return An initialized OFTarArchive
 */
- initWithStream: (OFStream *)stream OF_DESIGNATED_INITIALIZER;
- initWithStream: (OFStream *)stream
	    mode: (OFString *)mode OF_DESIGNATED_INITIALIZER;

#ifdef OF_HAVE_FILES
/*!
 * @brief Initializes an already allocated OFTarArchive object with the
 *	  specified file.
 *
 * @param path The path to the tar archive
 * @param mode The mode for the tar file. Valid modes are "r" for reading,
 *	       "w" for creating a new file and "a" for appending to an existing
 *	       file.
 * @return An initialized OFTarArchive
 */
- initWithPath: (OFString *)path;
- initWithPath: (OFString *)path
	  mode: (OFString *)mode;
#endif

/*!
 * @brief Returns the next entry from the tar archive or `nil` if all entries
 *	  have been read.
 *
 * This is only available in read mode.
 *
 * @warning Calling @ref nextEntry will invalidate all streams returned by the
 *	    previous entry! Reading from an invalidated stream will throw an
 *	    @ref OFReadFailedException!
 *
 * @return The next entry from the tar archive or `nil` if all entries have
 *	   been read
 */
- (OFTarArchiveEntry *)nextEntry;
@end

OF_ASSUME_NONNULL_END

Modified src/OFTarArchive.m from [4c3a4649ab] to [8e5558d27e].

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#import "OFTarArchiveEntry.h"
#import "OFTarArchiveEntry+Private.h"
#import "OFStream.h"
#ifdef OF_HAVE_FILES
# import "OFFile.h"
#endif

#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"

@implementation OFTarArchive: OFObject
+ (instancetype)archiveWithStream: (OFStream *)stream
			     mode: (OFString *)mode
{
	return [[[self alloc] initWithStream: stream] autorelease];
	return [[[self alloc] initWithStream: stream
					mode: mode] autorelease];
}

#ifdef OF_HAVE_FILES
+ (instancetype)archiveWithPath: (OFString *)path
			   mode: (OFString *)mode
{
	return [[[self alloc] initWithPath: path] autorelease];
	return [[[self alloc] initWithPath: path
				      mode: mode] autorelease];
}
#endif

- initWithStream: (OFStream *)stream
	    mode: (OFString *)mode
{
	self = [super init];

	@try {
	_stream = [stream retain];
		_stream = [stream retain];

		if ([mode isEqual: @"r"])
			_mode = OF_TAR_ARCHIVE_MODE_READ;
		else
			@throw [OFInvalidArgumentException exception];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

#ifdef OF_HAVE_FILES
- initWithPath: (OFString *)path
	  mode: (OFString *)mode
{
	OFFile *file = [[OFFile alloc] initWithPath: path
					       mode: @"r"];
					       mode: mode];
	@try {
		self = [self initWithStream: file];
		self = [self initWithStream: file
				       mode: mode];
	} @finally {
		[file release];
	}

	return self;
}
#endif
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{
	union {
		char c[512];
		uint32_t u32[512 / sizeof(uint32_t)];
	} buffer;
	bool empty = true;

	if (_mode != OF_TAR_ARCHIVE_MODE_READ)
		@throw [OFInvalidArgumentException exception];

	[_lastReturnedEntry of_skip];
	[_lastReturnedEntry close];
	[_lastReturnedEntry release];
	_lastReturnedEntry = nil;

	if ([_stream isAtEndOfStream])
		return nil;
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Modified utils/ofzip/TarArchive.m from [7ed0f15d3e] to [b67377ac42].

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}

- initWithStream: (OF_KINDOF(OFStream *))stream
{
	self = [super init];

	@try {
		_archive = [[OFTarArchive alloc] initWithStream: stream];
		_archive = [[OFTarArchive alloc] initWithStream: stream
							   mode: @"r"];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}
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Fossil 2.23 [47362306a7] 2023-11-01 18:56:47
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