Source/NSXMLElementAdditions.m

   1 /*
   2  * MacGDBp
   3  * Copyright (c) 2007 - 2008, 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 #include "base64.h"
  19
  20 @implementation NSXMLElement (NSXMLElementAdditions)
  21
  22 /**
  23  * Return's the property's name from the attributes list
  24  */
  25 - (NSString *)variable
  26 {
  27         return [[self attributeForName:@"name"] stringValue];
  28 }
  29
  30 /**
  31  * Returns whether or not this node has any children
  32  */
  33 - (BOOL)isLeaf
  34 {
  35         return ([[[self attributeForName:@"children"] stringValue] intValue] == 0);
  36 }
  37
  38 /**
  39  * Returns the value of the property
  40  */
  41 - (NSString *)value
  42 {
  43         // not a leaf, so don't display any value
  44         if (![self isLeaf])
  45         {
  46                 return @"...";
  47         }
  48
  49         // base64 encoded data
  50         if ([[[self attributeForName:@"encoding"] stringValue] isEqualToString:@"base64"])
  51         {
  52                 char *str = (char *)[[self stringValue] cStringUsingEncoding:NSASCIIStringEncoding];
  53                 int strlen = [[self stringValue] lengthOfBytesUsingEncoding:NSASCIIStringEncoding];
  54
  55                 char *data;
  56                 size_t datalen;
  57
  58                 if (!base64_decode_alloc(str, strlen, &data, &datalen))
  59                 {
  60                         NSLog(@"error in converting %@ to base64", self);
  61                 }
  62
  63                 return [NSString stringWithCString:data length:datalen];
  64         }
  65
  66         // just a normal string
  67         return [self stringValue];
  68 }
  69
  70 /**
  71  * Returns the type of variable this is
  72  */
  73 - (NSString *)type
  74 {
  75         return [[self attributeForName:@"type"] stringValue];
  76 }
  77
  78 @end