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   1  /* Created on 23.11.2004
   2  *
   3  * TODO To change the template for this generated file go to
   4  * Window - Preferences - Java - Code Style - Code Templates
   5  */
   6 package net.sourceforge.phpeclipse.xdebug.php.model;
   7
   8 import net.sourceforge.phpeclipse.xdebug.core.Base64;
   9 import net.sourceforge.phpeclipse.xdebug.core.PHPDebugUtils;
  10
  11 import org.eclipse.debug.core.DebugEvent;
  12 import org.eclipse.debug.core.DebugException;
  13 import org.eclipse.debug.core.model.IValue;
  14 import org.eclipse.debug.core.model.IVariable;
  15 import org.w3c.dom.Node;
  16 import org.w3c.dom.NodeList;
  17
  18 /**
  19  * @author Axel
  20  *
  21  * TODO To change the template for this generated type comment go to
  22  * Window - Preferences - Java - Code Style - Code Templates
  23  */
  24 public abstract class XDebugAbstractValue  extends XDebugElement implements IValue {
  25         private IVariable[] fVariables;
  26         protected String fValueString;
  27         protected String fTypeName;
  28         private boolean fhasChanged;
  29
  30         public XDebugAbstractValue(XDebugStackFrame frame, Node varNode)  {
  31                 super((XDebugTarget) frame.getDebugTarget());
  32
  33                 fTypeName = PHPDebugUtils.getAttributeValue(varNode,"type");
  34
  35                 int NumChildren = 0;
  36                 if (!PHPDebugUtils.getAttributeValue(varNode,"numchildren").equals("")) {
  37                         NumChildren = Integer.parseInt(PHPDebugUtils.getAttributeValue(varNode, "numchildren"));
  38                 }
  39
  40                 if (NumChildren > 0) {
  41                         NodeList property = varNode.getChildNodes();
  42                         renderValueString(""+property.getLength());
  43                         fVariables = new IVariable[property.getLength()];
  44                         for (int i = 0; i<property.getLength(); i++) {
  45                                 Node propertyNode = property.item(i);
  46                                 fVariables[i] = new XDebugVariable(frame, propertyNode);
  47                         }
  48                 }else {
  49                         fVariables = new IVariable[0];
  50                         String str="";
  51                         try {
  52                                 str=varNode.getFirstChild().getNodeValue();
  53                         } catch (NullPointerException e) {
  54                                 str="";
  55                         }
  56
  57                         String Encoding = PHPDebugUtils.getAttributeValue(varNode,"encoding");
  58
  59                         if (Encoding.equals("base64")) {
  60                                 if (str.length()!=0)
  61                                         str=new String(Base64.decode(str));
  62                                 else
  63                                         str="";
  64                         }
  65                         renderValueString(str);
  66                 }
  67                 String className=PHPDebugUtils.getAttributeValue(varNode,"classname");
  68                 if(!"".equals(className))
  69                         renderValueString(className);
  70         }
  71
  72         public boolean hasChanged() {
  73                 return fhasChanged;
  74         }
  75
  76         /* (non-Javadoc)
  77          * @see org.eclipse.debug.core.model.IValue#getReferenceTypeName()
  78          */
  79         public String getReferenceTypeName() throws DebugException {
  80                 return fTypeName;
  81         }
  82
  83         /* (non-Javadoc)
  84          * @see org.eclipse.debug.core.model.IValue#getValueString()
  85          */
  86         public String getValueString() throws DebugException {
  87                 return fValueString;
  88         }
  89
  90         /* (non-Javadoc)
  91          * @see org.eclipse.debug.core.model.IValue#isAllocated()
  92          */
  93         public boolean isAllocated() throws DebugException {
  94                 return true;
  95         }
  96
  97         /* (non-Javadoc)
  98          * @see org.eclipse.debug.core.model.IValue#getVariables()
  99          */
 100         public IVariable[] getVariables() throws DebugException {
 101                 return fVariables;
 102         }
 103
 104         /* (non-Javadoc)
 105          * @see org.eclipse.debug.core.model.IValue#hasVariables()
 106          */
 107         public boolean hasVariables() throws DebugException {
 108                 return (fVariables.length > 0);
 109         }
 110
 111         public abstract void renderValueString(String data);
 112
 113         public abstract boolean verifyValue(String expression);
 114
 115         public boolean setValue(String expression) {
 116                 if (!verifyValue(expression)) {
 117                         return false;
 118                 }
 119
 120                 renderValueString(expression);
 121                 fireEvent(new DebugEvent(this, DebugEvent.CHANGE, DebugEvent.CONTENT));
 122
 123                 return true;
 124         }
 125
 126         public boolean supportsValueModification() {
 127                 return false;
 128         }
 129 }