/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
* 2018
* 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 "OFApplication.h"
#import "OFFileManager.h"
#import "OFStdIOStream.h"
#import "OFLocale.h"
#import "GZIPArchive.h"
#import "OFArc.h"
static OFArc *app;
static void
setPermissions(OFString *destination, OFString *source)
{
#ifdef OF_FILE_MANAGER_SUPPORTS_PERMISSIONS
OFFileManager *fileManager = [OFFileManager defaultManager];
of_file_attributes_t attributes =
[fileManager attributesOfItemAtPath: source];
of_file_attribute_key_t key = of_file_attribute_key_posix_permissions;
of_file_attributes_t destinationAttributes = [OFDictionary
dictionaryWithObject: [attributes objectForKey: key]
forKey: key];
[fileManager setAttributes: destinationAttributes
ofItemAtPath: destination];
#endif
}
@implementation GZIPArchive
+ (void)initialize
{
if (self == [GZIPArchive class])
app = (OFArc *)[[OFApplication sharedApplication] delegate];
}
+ (instancetype)archiveWithStream: (OF_KINDOF(OFStream *))stream
mode: (OFString *)mode
encoding: (of_string_encoding_t)encoding
{
return [[[self alloc] initWithStream: stream
mode: mode
encoding: encoding] autorelease];
}
- (instancetype)initWithStream: (OF_KINDOF(OFStream *))stream
mode: (OFString *)mode
encoding: (of_string_encoding_t)encoding
{
self = [super init];
@try {
_stream = [[OFGZIPStream alloc] initWithStream: stream
mode: mode];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
[_stream release];
[super dealloc];
}
- (void)listFiles
{
[of_stderr writeLine: OF_LOCALIZED(@"cannot_list_gz",
@"Cannot list files of a .gz archive!")];
app->_exitStatus = 1;
}
- (void)extractFiles: (OFArray OF_GENERIC(OFString *) *)files
{
OFString *fileName;
OFFile *output;
if ([files count] != 0) {
[of_stderr writeLine:
OF_LOCALIZED(@"cannot_extract_specific_file_from_gz",
@"Cannot extract a specific file of a .gz archive!")];
app->_exitStatus = 1;
return;
}
fileName = [[app->_archivePath lastPathComponent]
stringByDeletingPathExtension];
if (app->_outputLevel >= 0)
[of_stdout writeString: OF_LOCALIZED(@"extracting_file",
@"Extracting %[file]...",
@"file", fileName)];
if (![app shouldExtractFile: fileName
outFileName: fileName])
return;
output = [OFFile fileWithPath: fileName
mode: @"w"];
setPermissions(fileName, app->_archivePath);
while (![_stream isAtEndOfStream]) {
ssize_t length = [app copyBlockFromStream: _stream
toStream: output
fileName: fileName];
if (length < 0) {
app->_exitStatus = 1;
return;
}
}
if (app->_outputLevel >= 0) {
[of_stdout writeString: @"\r"];
[of_stdout writeLine: OF_LOCALIZED(@"extracting_file_done",
@"Extracting %[file]... done",
@"file", fileName)];
}
}
- (void)printFiles: (OFArray OF_GENERIC(OFString *) *)files
{
OFString *fileName = [[app->_archivePath lastPathComponent]
stringByDeletingPathExtension];
if ([files count] > 0) {
[of_stderr writeLine: OF_LOCALIZED(
@"cannot_print_specific_file_from_gz",
@"Cannot print a specific file of a .gz archive!")];
app->_exitStatus = 1;
return;
}
while (![_stream isAtEndOfStream]) {
ssize_t length = [app copyBlockFromStream: _stream
toStream: of_stdout
fileName: fileName];
if (length < 0) {
app->_exitStatus = 1;
return;
}
}
}
@end