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#import <Foundation/Foundation.h>
#import "GzipArchive.h"
#import "FileInfo.h"
#import "NSString+Custom.h"
#import "Preferences.h"
#import "NSArray+Custom.h"
#import "NSFileManager+Custom.h"
@interface GzipArchive (PrivateAPI)
@end
/**
* This Archvie subclass handles plain gzipped files, i.e. not .tar.gz files. See TarArchive
* for the handling of gzipped tar archives.
*/
@implementation GzipArchive : Archive
/**
* register our supported file extensions with superclass.
*/
+ (void)initialize
{
[self registerFileExtension:@"gz" forArchiveClass:self];
}
+ (NSString *)unarchiveExecutable
{
return [Preferences gzipExecutable];
}
/**
* Gzip files represent a single compressed file in this scope and thus can be decompressed
* without path.
*/
+ (BOOL)canExtractWithoutFullPath
{
return YES;
}
+ (ArchiveType)archiveType
{
return GZIP;
}
//------------------------------------------------------------------------------
// expanding the archive
//------------------------------------------------------------------------------
- (int)expandFiles:(NSArray *)files withPathInfo:(BOOL)usePathInfo toPath:(NSString *)path
{
NSArray *arguments;
NSString *destPath;
destPath = [path stringByAppendingPathComponent:[self path]];
// make sure the full path underneath the temp dir exists
[[NSFileManager defaultManager] createDirectoryPathWithParents:
[destPath stringByDeletingLastPathComponent]];
// make a copy of the file to extract it in the temp dir
[[NSFileManager defaultManager] copyPath:[self path] toPath:destPath handler:nil];
// extract it
arguments = [NSArray arrayWithObjects:@"-d", destPath, @"--", nil];
return [self runUnarchiverWithArguments:arguments];
}
- (NSArray *)listContents
{
FileInfo *info;
NSString *path;
path = [[self path] stringByDeletingPathExtension];
info = [FileInfo newWithPath:path date:nil size:nil];
return [NSArray arrayWithObject:info];
}
@end
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