Source/NSXMLElementAdditions.m

   1 /*
   2  * MacGDBp
   3  * Copyright (c) 2007 - 2011, Blue Static <http://www.bluestatic.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify it under the terms of the GNU
   6  * General Public License as published by the Free Software Foundation; either version 2 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
  10  * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along with this program; if not,
  14  * write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  15  */
  16
  17 #import <Cocoa/Cocoa.h>
  18
  19 #import "AppDelegate.h"
  20
  21 @implementation NSXMLElement (GDBpAdditions)
  22
  23 /**
  24  * Returns whether or not this node has any children
  25  */
  26 - (BOOL)isLeaf
  27 {
  28   return ([[[self attributeForName:@"children"] stringValue] intValue] == 0);
  29 }
  30
  31 /**
  32  * Returns the value of the property
  33  */
  34 - (NSString*)base64DecodedValue
  35 {
  36   // The value of the node is base64 encoded.
  37   if ([[[self attributeForName:@"encoding"] stringValue] isEqualToString:@"base64"]) {
  38     NSData* data = [[self stringValue] dataUsingEncoding:NSASCIIStringEncoding];
  39     NSData* base64Data = [[NSData alloc] initWithBase64EncodedData:data options:0];
  40     if (base64Data) {
  41       return [[NSString alloc] initWithData:base64Data encoding:NSUTF8StringEncoding];
  42     } else {
  43       return @"<< Failed to base64-decode data >>";
  44     }
  45   }
  46
  47   // The value is just a normal string.
  48   if ([self isLeaf])
  49     return [self stringValue];
  50
  51   return nil;
  52 }
  53
  54 @end