Source/NSXMLElementAdditions.m

   1 /*
   2  * MacGDBp
   3  * Copyright (c) 2007 - 2010, 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 this node has children but they haven't been loaded from the backend,
  54   // request them asynchronously.
  55   if (![self isLeaf] && [children count] < 1) {
  56     [[[(AppDelegate*)[NSApp delegate] debugger] connection] getProperty:[self fullname]];
  57   }
  58   return children;
  59 }
  60
  61 /**
  62  * Returns the value of the property
  63  */
  64 - (NSString*)value
  65 {
  66   // not a leaf, so don't display any value
  67   if (![self isLeaf])
  68   {
  69     return @"...";
  70   }
  71
  72   // base64 encoded data
  73   if ([[[self attributeForName:@"encoding"] stringValue] isEqualToString:@"base64"])
  74   {
  75     const char* str = [[self stringValue] UTF8String];
  76     int strlen = [[self stringValue] length];
  77
  78     char* data;
  79     size_t datalen;
  80
  81     if (!base64_decode_alloc(str, strlen, &data, &datalen))
  82       NSLog(@"error in converting %@ from base64", self);
  83
  84     NSString* ret = nil;
  85     if (data)
  86     {
  87       ret = [NSString stringWithUTF8String:data];
  88       free(data);
  89     }
  90
  91     return ret;
  92   }
  93
  94   // just a normal string
  95   return [self stringValue];
  96 }
  97
  98 /**
  99  * Returns the type of variable this is
 100  */
 101 - (NSString*)type
 102 {
 103   NSXMLNode* className = [self attributeForName:@"classname"];
 104   NSString* type = [[self attributeForName:@"type"] stringValue];
 105   if (className != nil)
 106   {
 107     return [NSString stringWithFormat:@"%@ (%@)", [className stringValue], type];
 108   }
 109   return type;
 110 }
 111
 112 @end