1 /*

     2  * Hedgewars-iOS, a Hedgewars port for iOS devices

     3  * Copyright (c) 2009-2010 Vittorio Giovara <vittorio.giovara@gmail.com>

     4  *

     5  * This program is free software; you can redistribute it and/or modify

     6  * it under the terms of the GNU General Public License as published by

     7  * the Free Software Foundation; version 2 of the License

     8  *

     9  * This program is distributed in the hope that it will be useful,

    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12  * GNU General Public License for more details.

    13  *

    14  * You should have received a copy of the GNU General Public License

    15  * along with this program; if not, write to the Free Software

    16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

    17  *

    18  * File created on 21/09/2010.

    19  */

    20 

    21 

    22 #import "NSStringExtra.h"

    23 

    24 @implementation NSString (extra)

    25 

    26 -(BOOL) appendToFile:(NSString *)path {

    27     NSOutputStream* os = [[NSOutputStream alloc] initToFileAtPath:path append:YES];

    28     NSData *allData = [self dataUsingEncoding:NSUTF8StringEncoding];

    29 

    30     [os open];

    31     [os write:[allData bytes] maxLength:[allData length]];

    32     [os close];

    33     

    34     [os release];

    35     return YES;

    36 }

    37 

    38 -(BOOL) appendToFile:(NSString *)path usingStream:(NSOutputStream *)os {

    39     NSData *allData = [self dataUsingEncoding:NSUTF8StringEncoding];

    40     [os write:[allData bytes] maxLength:[allData length]];

    41     return YES;

    42 }

    43 

    44 // by http://iphonedevelopment.blogspot.com/2010/08/nsstring-appendtofileusingencoding.html

    45 -(BOOL) appendToFile:(NSString *)path usingEncoding:(NSStringEncoding) encoding {

    46     NSFileHandle *fh = [NSFileHandle fileHandleForWritingAtPath:path]; 

    47     if (fh == nil)

    48         return [self writeToFile:path atomically:YES encoding:encoding error:nil];

    49     

    50     [fh truncateFileAtOffset:[fh seekToEndOfFile]];

    51     NSData *encoded = [self dataUsingEncoding:encoding];

    52     

    53     if (encoded == nil) 

    54         return NO;

    55     

    56     [fh writeData:encoded];

    57     return YES;

    58 }

    59 

    60 @end