ObjFW  Check-in [1aea73d8b1]

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       OFMessagePackExtension.m		\
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       OFObject+KeyValueCoding.m	\
       OFObject+Serialization.m		\
       OFOptionsParser.m		\
       ${OFPROCESS_M}			\

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
 *   Jonathan Schleifer <js@heap.zone>
 *
 * 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.
 */

#import "OFZIPArchiveEntry.h"

OF_ASSUME_NONNULL_BEGIN

/*!
 * @class OFMutableZIPArchiveEntry \
 *	  OFMutableZIPArchiveEntry.h ObjFW/OFMutableZIPArchiveEntry.h
 *
 * @brief A class which represents a mutable entry in the central directory of
 *	  a ZIP archive.
 */
@interface OFMutableZIPArchiveEntry: OFZIPArchiveEntry

/*!
 * The file name of the entry.
 */
@property (readwrite, nonatomic, copy) OFString *fileName;

/*!
 * The comment of the entry's file.
 */
@property OF_NULLABLE_PROPERTY (readwrite, nonatomic, copy)
    OFString *fileComment;

/*!
 * The extra field of the entry.
 */
@property OF_NULLABLE_PROPERTY (readwrite, nonatomic, copy) OFData *extraField;

/*!
 * The version which made the entry.
 *
 * The lower 8 bits are the ZIP specification version.@n
 * The upper 8 bits are the attribute compatibility.
 * See @ref of_zip_archive_entry_attribute_compatibility.
 */
@property (readwrite, nonatomic) uint16_t versionMadeBy;

/*!
 * The minimum version required to extract the file.
 *
 * The lower 8 bits are the ZIP specification version.@n
 * The upper 8 bits are the attribute compatibility.
 * See @ref of_zip_archive_entry_attribute_compatibility.
 */
@property (readwrite, nonatomic) uint16_t minVersionNeeded;

/*!
 * The last modification date of the entry's file.
 *
 * @note Due to limitations of the ZIP format, this has only 2 second precision.
 */
@property (readwrite, nonatomic, retain) OFDate *modificationDate;

/*!
 * The compression method of the entry.
 *
 * Supported values are:
 * Value                                             | Description
 * --------------------------------------------------|---------------
 * OF_ZIP_ARCHIVE_ENTRY_COMPRESSION_METHOD_NONE      | No compression
 * OF_ZIP_ARCHIVE_ENTRY_COMPRESSION_METHOD_DEFLATE   | Deflate
 * OF_ZIP_ARCHIVE_ENTRY_COMPRESSION_METHOD_DEFLATE64 | Deflate64
 *
 * Other values may be returned, but the file cannot be extracted then.
 */
@property (readwrite, nonatomic) uint16_t compressionMethod;

/*!
 * The compressed size of the entry's file.
 */
@property (readwrite, nonatomic) uint64_t compressedSize;

/*!
 * The uncompressed size of the entry's file.
 */
@property (readwrite, nonatomic) uint64_t uncompressedSize;

/*!
 * The CRC32 checksum of the entry's file.
 */
@property (readwrite, nonatomic) uint32_t CRC32;

/*!
 * The version specific attributes.
 *
 * The meaning of the version specific attributes depends on the attribute
 * compatibility part of the version that made the entry.
 */
@property (readwrite, nonatomic) uint32_t versionSpecificAttributes;

/*!
 * The general purpose bit flag of the entry.
 *
 * See the ZIP specification for details.
 */
@property (readwrite, nonatomic) uint16_t generalPurposeBitFlag;

/*!
 * @brief Converts the OFMutableZIPArchive to an immutable OFZIPArchive.
 */
- (void)makeImmutable;
@end

OF_ASSUME_NONNULL_END

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
 *   Jonathan Schleifer <js@heap.zone>
 *
 * 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 "OFMutableZIPArchiveEntry.h"
#import "OFString.h"
#import "OFData.h"
#import "OFDate.h"

@implementation OFMutableZIPArchiveEntry
@dynamic fileName, fileComment, extraField, versionMadeBy, minVersionNeeded;
@dynamic modificationDate, compressionMethod, compressedSize, uncompressedSize;
@dynamic CRC32, versionSpecificAttributes, generalPurposeBitFlag;

- copy
{
	OFMutableZIPArchiveEntry *copy = [self mutableCopy];

	[copy makeImmutable];

	return copy;
}

- (void)setFileName: (OFString *)fileName
{
	OFString *old = _fileName;
	_fileName = [fileName copy];
	[old release];
}

- (void)setFileComment: (OFString *)fileComment
{
	OFString *old = _fileComment;
	_fileComment = [fileComment copy];
	[old release];
}

- (void)setExtraField: (OFData *)extraField
{
	OFData *old = _extraField;
	_extraField = [extraField copy];
	[old release];
}

- (void)setVersionMadeBy: (uint16_t)versionMadeBy
{
	_versionMadeBy = versionMadeBy;
}

- (void)setMinVersionNeeded: (uint16_t)minVersionNeeded
{
	_minVersionNeeded = minVersionNeeded;
}

- (void)setModificationDate: (OFDate *)date
{
	void *pool = objc_autoreleasePoolPush();

	_lastModifiedFileDate = ((([date localYear] - 1980) & 0xFF) << 9) |
	    (([date localMonthOfYear] & 0x0F) << 5) |
	    ([date localDayOfMonth] & 0x1F);
	_lastModifiedFileTime = (([date localHour] & 0x1F) << 11) |
	    (([date localMinute] & 0x3F) << 5) | (([date second] >> 1) & 0x0F);

	objc_autoreleasePoolPop(pool);
}

- (void)setCompressionMethod: (uint16_t)compressionMethod
{
	_compressionMethod = compressionMethod;
}

- (void)setCompressedSize: (uint64_t)compressedSize
{
	_compressedSize = compressedSize;
}

- (void)setUncompressedSize: (uint64_t)uncompressedSize
{
	_uncompressedSize = uncompressedSize;
}

- (void)setCRC32: (uint32_t)CRC32
{
	_CRC32 = CRC32;
}

- (void)setVersionSpecificAttributes: (uint32_t)versionSpecificAttributes
{
	_versionSpecificAttributes = versionSpecificAttributes;
}

- (void)setGeneralPurposeBitFlag: (uint16_t)generalPurposeBitFlag
{
	_generalPurposeBitFlag = generalPurposeBitFlag;
}

- (void)makeImmutable
{
	object_setClass(self, [OFZIPArchiveEntry class]);
}
@end

/*!
 * @class OFZIPArchiveEntry OFZIPArchiveEntry.h ObjFW/OFZIPArchiveEntry.h
 *
 * @brief A class which represents an entry in the central directory of a ZIP
 *	  archive.
 */
@interface OFZIPArchiveEntry: OFObject <OFCopying, OFMutableCopying>
{
	uint16_t _versionMadeBy, _minVersionNeeded, _generalPurposeBitFlag;
	uint16_t _compressionMethod;
	uint16_t _lastModifiedFileTime, _lastModifiedFileDate;
	uint32_t _CRC32;
	uint64_t _compressedSize, _uncompressedSize;
	OFString *_fileName;

 * The file name of the entry.
 */
@property (readonly, nonatomic) OFString *fileName;

/*!
 * The comment of the entry's file.
 */
@property OF_NULLABLE_PROPERTY (readonly, nonatomic) OFString *fileComment;

/*!
 * The extra field of the entry.
 */
@property OF_NULLABLE_PROPERTY (readonly, nonatomic) OFData *extraField;

/*!
 * The version which made the entry.
 *
 * The lower 8 bits are the ZIP specification version.@n
 * The upper 8 bits are the attribute compatibility.
 * See @ref of_zip_archive_entry_attribute_compatibility.
 */
@property (readonly, nonatomic) uint16_t versionMadeBy;

/*!
 * The minimum version required to extract the file.
 *
 * The lower 8 bits are the ZIP specification version.@n
 * The upper 8 bits are the attribute compatibility.
 * See @ref of_zip_archive_entry_attribute_compatibility.
 */
@property (readonly, nonatomic) uint16_t minVersionNeeded;

/*!
 * The last modification date of the entry's file.
 *
 * @note Due to limitations of the ZIP format, this has only 2 second precision.
 */
@property (readonly, nonatomic) OFDate *modificationDate;

/*!
 * The compression method of the entry.
 *
 * Supported values are:
 * Value                                             | Description
 * --------------------------------------------------|---------------
 * OF_ZIP_ARCHIVE_ENTRY_COMPRESSION_METHOD_NONE      | No compression

/*!
 * The general purpose bit flag of the entry.
 *
 * See the ZIP specification for details.
 */
@property (readonly, nonatomic) uint16_t generalPurposeBitFlag;



/*!
 * @brief Creates a new OFZIPArchiveEntry with the specified file name.
 *
 * @param fileName The file name for the OFZIPArchiveEntry
 * @return A new, autoreleased OFZIPArchiveEntry
 */
+ (instancetype)entryWithFileName: (OFString *)fileName;

- init OF_UNAVAILABLE;

/*!
 * @brief Initializes an already allocated OFZIPArchiveEntry with the specified
 *	  file name.
 *
 * @param fileName The file name for the OFZIPArchiveEntry
 * @return An initialized OFZIPArchiveEntry
 */

- initWithFileName: (OFString *)fileName;
@end

#ifdef __cplusplus
extern "C" {
#endif
/*!
 * @brief Converts the ZIP entry version to a string

extern void of_zip_archive_entry_extra_field_find(OFData *extraField,
    uint16_t tag, const uint8_t *_Nonnull *_Nonnull data, uint16_t *size);
#ifdef __cplusplus
}
#endif

OF_ASSUME_NONNULL_END

#import "OFMutableZIPArchiveEntry.h"

	}

	*data = NULL;
	*size = 0;
}

@implementation OFZIPArchiveEntry
+ (instancetype)entryWithFileName: (OFString *)fileName

{
	return [[[self alloc] initWithFileName: fileName] autorelease];









}

- init
{
	OF_INVALID_INIT_METHOD
}

- initWithFileName: (OFString *)fileName
{
	self = [super init];

	@try {
		_fileName = [_fileName copy];
	} @catch (id e) {
		[self release];
		@throw e;
	}

	return self;
}

- (instancetype)of_initWithStream: (OFStream *)stream
{
	self = [super init];

	@try {
		void *pool = objc_autoreleasePoolPush();

		encoding = (_generalPurposeBitFlag & (1 << 11)
		    ? OF_STRING_ENCODING_UTF_8
		    : OF_STRING_ENCODING_CODEPAGE_437);

		_fileName = [[stream readStringWithLength: fileNameLength
						 encoding: encoding] copy];
		if (extraFieldLength > 0)
			_extraField =
			    [[stream readDataWithCount: extraFieldLength] copy];
		if (fileCommentLength > 0)
			_fileComment = [[stream
			    readStringWithLength: fileCommentLength
					encoding: encoding] copy];

		of_zip_archive_entry_extra_field_find(_extraField,
		    OF_ZIP_ARCHIVE_ENTRY_EXTRA_FIELD_ZIP64, &ZIP64, &ZIP64Size);

		if (ZIP64 != NULL) {
			if (_uncompressedSize == 0xFFFFFFFF)
				_uncompressedSize = of_zip_archive_read_field64(

{
	[_fileName release];
	[_extraField release];
	[_fileComment release];

	[super dealloc];
}

- copy
{
	return [self retain];
}

- mutableCopy
{
	OFZIPArchiveEntry *copy =
	    [[OFMutableZIPArchiveEntry alloc] initWithFileName: _fileName];

	@try {
		copy->_versionMadeBy = _versionMadeBy;
		copy->_minVersionNeeded = _minVersionNeeded;
		copy->_generalPurposeBitFlag = _generalPurposeBitFlag;
		copy->_compressionMethod = _compressionMethod;
		copy->_lastModifiedFileTime = _lastModifiedFileTime;
		copy->_lastModifiedFileDate = _lastModifiedFileDate;
		copy->_CRC32 = _CRC32;
		copy->_compressedSize = _compressedSize;
		copy->_uncompressedSize = _uncompressedSize;
		copy->_extraField = [_extraField copy];
		copy->_fileComment = [_extraField copy];
		copy->_startDiskNumber = _startDiskNumber;
		copy->_internalAttributes = _internalAttributes;
		copy->_versionSpecificAttributes = _versionSpecificAttributes;
		copy->_localFileHeaderOffset = _localFileHeaderOffset;
	} @catch (id e) {
		[copy release];
		@throw e;
	}
}

- (OFString *)fileName
{
	return _fileName;
}

- (OFString *)fileComment
{
	return _fileComment;
}

- (OFData *)extraField
{
	return _extraField;
}

- (uint16_t)versionMadeBy
{
	return _versionMadeBy;
}

- (uint16_t)minVersionNeeded
{
	return _minVersionNeeded;
}

- (OFDate *)modificationDate
{
	void *pool = objc_autoreleasePoolPush();
	uint16_t year = ((_lastModifiedFileDate & 0xFE00) >> 9) + 1980;
	uint8_t month = (_lastModifiedFileDate & 0x1E0) >> 5;
	uint8_t day = (_lastModifiedFileDate & 0x1F);

						format: @"%Y-%m-%d %H:%M:%S"];

	objc_autoreleasePoolPop(pool);

	return [date autorelease];
}

- (uint16_t)compressionMethod
{
	return _compressionMethod;
}

- (uint64_t)compressedSize
{
	return _compressedSize;
}

- (uint64_t)uncompressedSize
{
	return _uncompressedSize;
}

- (uint32_t)CRC32
{
	return _CRC32;
}

- (uint32_t)versionSpecificAttributes
{
	return _versionSpecificAttributes;
}

- (uint16_t)generalPurposeBitFlag
{
	return _generalPurposeBitFlag;
}

- (uint16_t)of_lastModifiedFileTime
{
	return _lastModifiedFileTime;
}

- (uint16_t)of_lastModifiedFileDate
{
	return _lastModifiedFileDate;
}

- (int64_t)of_localFileHeaderOffset
{
	return _localFileHeaderOffset;
}

- (OFString *)description
{
	void *pool = objc_autoreleasePoolPush();
	OFString *ret = [OFString stringWithFormat: @"<%@:\n"
	    @"\tFile name = %@\n"