XADMaster/XADMacBinaryParser.m
2018-03-21 14:24:50 +02:00

68 lines
2.1 KiB
Objective-C

/*
* XADMacBinaryParser.m
*
* Copyright (c) 2017-present, MacPaw Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#import "XADMacBinaryParser.h"
@implementation XADMacBinaryParser
+(int)requiredHeaderSize
{
return 128;
}
+(BOOL)recognizeFileWithHandle:(CSHandle *)handle firstBytes:(NSData *)data name:(NSString *)name
{
return [XADMacArchiveParser macBinaryVersionForHeader:data]>0;
}
-(void)parseWithSeparateMacForks
{
[self setIsMacArchive:YES];
[properties removeObjectForKey:XADDisableMacForkExpansionKey];
[self addEntryWithDictionary:[NSMutableDictionary dictionaryWithObjectsAndKeys:
[NSNumber numberWithBool:YES],XADIsMacBinaryKey,
nil]];
}
-(CSHandle *)rawHandleForEntryWithDictionary:(NSDictionary *)dict wantChecksum:(BOOL)checksum
{
return [self handle];
}
-(void)inspectEntryDictionary:(NSMutableDictionary *)dict
{
NSNumber *rsrc=[dict objectForKey:XADIsResourceForkKey];
if(rsrc&&[rsrc boolValue]) return;
if([[self name] matchedByPattern:@"\\.sea(\\.|$)" options:REG_ICASE]||
[[[dict objectForKey:XADFileNameKey] string] matchedByPattern:@"\\.(sea|sit|cpt)$" options:REG_ICASE])
[dict setObject:[NSNumber numberWithBool:YES] forKey:XADIsArchiveKey];
// TODO: Better detection of embedded archives. Also applies to BinHex!
// if([[dict objectForKey:XADFileTypeKey] unsignedIntValue]=='APPL')...
}
-(NSString *)formatName
{
return @"MacBinary";
}
@end