Source/NSXMLElementAdditions.m

   1 /*
   2  * MacGDBp
   3  * Copyright (c) 2007 - 2009, 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 #import "AppDelegate.h"
  20
  21 @implementation NSXMLElement (GDBpAdditions)
  22
  23 /**
  24  * Return's the property's full name
  25  */
  26 - (NSString *)fullname
  27 {
  28         return [[self attributeForName:@"fullname"] stringValue];
  29 }
  30
  31 /**
  32  * Return's the property's name from the attributes list
  33  */
  34 - (NSString *)variable
  35 {
  36         return [[self attributeForName:@"name"] stringValue];
  37 }
  38
  39 /**
  40  * Returns whether or not this node has any children
  41  */
  42 - (BOOL)isLeaf
  43 {
  44         return ([[[self attributeForName:@"children"] stringValue] intValue] == 0);
  45 }
  46
  47 /**
  48  * Override children so we can fetch more depth as needed
  49  */
  50 - (NSArray *)subnodes
  51 {
  52         NSArray *children = [self children];
  53         if (![self isLeaf] && [children count] < 1)
  54         {
  55                 return [[[(AppDelegate *)[NSApp delegate] debugger] connection] getProperty:[self fullname]];
  56         }
  57         return children;
  58 }
  59
  60 /**
  61  * Returns the value of the property
  62  */
  63 - (NSString *)value
  64 {
  65         // not a leaf, so don't display any value
  66         if (![self isLeaf])
  67         {
  68                 return @"...";
  69         }
  70
  71         // base64 encoded data
  72         if ([[[self attributeForName:@"encoding"] stringValue] isEqualToString:@"base64"])
  73         {
  74                 char *str = (char *)[[self stringValue] cStringUsingEncoding:NSASCIIStringEncoding];
  75                 int strlen = [[self stringValue] lengthOfBytesUsingEncoding:NSASCIIStringEncoding];
  76
  77                 char *data;
  78                 size_t datalen;
  79
  80                 if (!base64_decode_alloc(str, strlen, &data, &datalen))
  81                 {
  82                         NSLog(@"error in converting %@ to base64", self);
  83                 }
  84
  85                 NSString *ret = [NSString stringWithCString:data length:datalen];
  86                 free(data);
  87
  88                 return ret;
  89         }
  90
  91         // just a normal string
  92         return [self stringValue];
  93 }
  94
  95 /**
  96  * Returns the type of variable this is
  97  */
  98 - (NSString *)type
  99 {
 100         NSXMLNode *className = [self attributeForName:@"classname"];
 101         NSString *type = [[self attributeForName:@"type"] stringValue];
 102         if (className != nil)
 103         {
 104                 return [NSString stringWithFormat:@"%@ (%@)", [className stringValue], type];
 105         }
 106         return type;
 107 }
 108
 109 @end