Source/VariableNode.m

   1 /*
   2  * MacGDBp
   3  * Copyright (c) 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 "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) NSArray* children;
  32 @property (copy) NSString* address;
  33
  34 @end
  35
  36 ////////////////////////////////////////////////////////////////////////////////
  37
  38 @implementation VariableNode
  39
  40 @synthesize name = name_;
  41 @synthesize fullName = fullName_;
  42 @synthesize className = className_;
  43 @synthesize type = type_;
  44 @synthesize value = value_;
  45 @synthesize children = children_;
  46 @synthesize childCount = childCount_;
  47 @synthesize address = address_;
  48
  49 - (id)initWithXMLNode:(NSXMLElement*)node
  50 {
  51   if (self = [super init]) {
  52     self.name       = [[node attributeForName:@"name"] stringValue];
  53     self.fullName   = [[node attributeForName:@"fullname"] stringValue];
  54     self.className  = [[node attributeForName:@"classname"] stringValue];
  55     self.type       = [[node attributeForName:@"type"] stringValue];
  56     self.value      = [node base64DecodedValue];
  57     self.children   = [NSMutableArray array];
  58     if ([node children]) {
  59       [self setChildrenFromXMLChildren:[node children]];
  60     }
  61     childCount_     = [[[node attributeForName:@"numchildren"] stringValue] integerValue];
  62     self.address    = [[node attributeForName:@"address"] stringValue];
  63   }
  64   return self;
  65 }
  66
  67 - (void)dealloc
  68 {
  69   self.name = nil;
  70   self.fullName = nil;
  71   self.className = nil;
  72   self.type = nil;
  73   self.value = nil;
  74   self.children = nil;
  75   self.address = nil;
  76   [super dealloc];
  77 }
  78
  79 - (void)setChildrenFromXMLChildren:(NSArray*)children
  80 {
  81   for (NSXMLNode* child in children) {
  82     // Other child nodes may be the string value.
  83     if ([child isKindOfClass:[NSXMLElement class]]) {
  84       VariableNode* node = [[VariableNode alloc] initWithXMLNode:(NSXMLElement*)child];
  85       // Don't include the CLASSNAME property as that information is retreeived
  86       // elsewhere.
  87       if (![node.name isEqualToString:@"CLASSNAME"])
  88         [children_ addObject:node];
  89       [node release];
  90     }
  91   }
  92 }
  93
  94 - (NSArray*)dynamicChildren
  95 {
  96   NSArray* children = self.children;
  97   if (![self isLeaf] && (NSInteger)[children count] < self.childCount) {
  98     // If this node has children but they haven't been loaded from the backend,
  99     // request them asynchronously.
 100     [[AppDelegate instance].debugger fetchChildProperties:self];
 101   }
 102   return children;
 103 }
 104
 105 - (BOOL)isLeaf
 106 {
 107   return (self.childCount == 0);
 108 }
 109
 110 - (NSString*)displayType
 111 {
 112   if (self.className != nil) {
 113     return [NSString stringWithFormat:@"%@ (%@)", self.className, self.type];
 114   }
 115   return self.type;
 116 }
 117
 118 - (NSString*)description
 119 {
 120   return [NSString stringWithFormat:@"<VariableNode %p : %@>", self, self.fullName];
 121 }
 122
 123 @end