Source/VariableNode.m

   1 /*
   2  * MacGDBp
   3  * Copyright (c) 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 "VariableNode.h"
  18
  19 #import "AppDelegate.h"
  20 #include "NSXMLElementAdditions.h"
  21
  22 // Private Properties //////////////////////////////////////////////////////////
  23
  24 @interface VariableNode ()
  25
  26 @property (copy) NSString* name;
  27 @property (copy) NSString* fullName;
  28 @property (copy) NSString* className;
  29 @property (copy) NSString* type;
  30 @property (copy) NSString* value;
  31 @property (retain) NSMutableArray* children;
  32
  33 @end
  34
  35 ////////////////////////////////////////////////////////////////////////////////
  36
  37 @implementation VariableNode
  38
  39 @synthesize name = name_;
  40 @synthesize fullName = fullName_;
  41 @synthesize className = className_;
  42 @synthesize type = type_;
  43 @synthesize value = value_;
  44 @synthesize children = children_;
  45 @synthesize childCount = childCount_;
  46
  47 - (id)initWithXMLNode:(NSXMLElement*)node
  48 {
  49   if (self = [super init]) {
  50     self.name       = [[node attributeForName:@"name"] stringValue];
  51     self.fullName   = [[node attributeForName:@"fullname"] stringValue];
  52     self.className  = [[node attributeForName:@"classname"] stringValue];
  53     self.type       = [[node attributeForName:@"type"] stringValue];
  54     self.value      = [node base64DecodedValue];
  55     self.children   = [NSMutableArray array];
  56     if ([node children]) {
  57       [self setChildrenFromXMLChildren:[node children]];
  58     }
  59     childCount_     = [[[node attributeForName:@"numchildren"] stringValue] integerValue];
  60   }
  61   return self;
  62 }
  63
  64 - (void)dealloc
  65 {
  66   self.name = nil;
  67   self.fullName = nil;
  68   self.className = nil;
  69   self.type = nil;
  70   self.value = nil;
  71   self.children = nil;
  72   [super dealloc];
  73 }
  74
  75 - (void)setChildrenFromXMLChildren:(NSArray*)children
  76 {
  77   for (NSXMLNode* child in children) {
  78     // Other child nodes may be the string value.
  79     if ([child isKindOfClass:[NSXMLElement class]]) {
  80       VariableNode* node = [[VariableNode alloc] initWithXMLNode:(NSXMLElement*)child];
  81       [children_ addObject:[node autorelease]];
  82     }
  83   }
  84 }
  85
  86 - (NSArray*)dynamicChildren
  87 {
  88   NSArray* children = self.children;
  89   if (![self isLeaf] && [children count] < 1) {
  90     // If this node has children but they haven't been loaded from the backend,
  91     // request them asynchronously.
  92     [[AppDelegate instance].debugger fetchProperty:self.fullName forNode:self];
  93   }
  94   return children;
  95 }
  96
  97 - (BOOL)isLeaf
  98 {
  99   return (self.childCount == 0);
 100 }
 101
 102 - (NSString*)displayType
 103 {
 104   if (self.className != nil) {
 105     return [NSString stringWithFormat:@"%@ (%@)", self.className, self.type];
 106   }
 107   return self.type;
 108 }
 109
 110 @end