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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
  25 public abstract class XDebugAbstractValue  extends XDebugElement implements IValue {
  26         private IVariable[] fVariables;
  27         protected String fValueString;
  28         private String fTypeName;
  29         private boolean fhasChanged;
  30
  31         public XDebugAbstractValue(XDebugStackFrame frame, Node varNode) throws DebugException  {
  32                 super(frame == null ? null : (XDebugTarget) frame.getDebugTarget());
  33
  34                 fTypeName = PHPDebugUtils.getAttributeValue(varNode,"type");
  35
  36                 int NumChildren = 0;
  37                 if (!PHPDebugUtils.getAttributeValue(varNode,"numchildren").equals("")) {
  38                         NumChildren = Integer.parseInt(PHPDebugUtils.getAttributeValue(varNode, "numchildren"));
  39                 }
  40
  41                 if (NumChildren > 0) {
  42                         NodeList property = varNode.getChildNodes();
  43                         renderValueString(""+property.getLength());
  44                         fVariables = new IVariable[property.getLength()];
  45                         for (int i = 0; i<property.getLength(); i++) {
  46                                 Node propertyNode = property.item(i);
  47                                 fVariables[i] = new XDebugVariable(frame, propertyNode);
  48                         }
  49                 }else {
  50                         fVariables = new IVariable[0];
  51                         String str="";
  52                         try {
  53                                 str=varNode.getFirstChild().getNodeValue();
  54                         } catch (NullPointerException e) {
  55                                 str="";
  56                         }
  57
  58                         String Encoding = PHPDebugUtils.getAttributeValue(varNode,"encoding");
  59
  60                         if (Encoding.equals("base64")) {
  61                                 if (str.length()!=0)
  62                                         str=new String(Base64.decode(str));
  63                                 else
  64                                         str="";
  65                         }
  66                         renderValueString(str);
  67                 }
  68                 String className=PHPDebugUtils.getAttributeValue(varNode,"classname");
  69                 if(!"".equals(className))
  70                         renderValueString(className);
  71         }
  72
  73         public boolean hasChanged() {
  74                 return fhasChanged;
  75         }
  76
  77         /* (non-Javadoc)
  78          * @see org.eclipse.debug.core.model.IValue#getReferenceTypeName()
  79          */
  80         public String getReferenceTypeName() throws DebugException {
  81                 return fTypeName;
  82         }
  83
  84         /* (non-Javadoc)
  85          * @see org.eclipse.debug.core.model.IValue#getValueString()
  86          */
  87         public String getValueString() throws DebugException {
  88                 return fValueString;
  89         }
  90
  91         /* (non-Javadoc)
  92          * @see org.eclipse.debug.core.model.IValue#isAllocated()
  93          */
  94         public boolean isAllocated() throws DebugException {
  95                 return true;
  96         }
  97
  98         /* (non-Javadoc)
  99          * @see org.eclipse.debug.core.model.IValue#getVariables()
 100          */
 101         public IVariable[] getVariables() throws DebugException {
 102                 return fVariables;
 103         }
 104
 105         /* (non-Javadoc)
 106          * @see org.eclipse.debug.core.model.IValue#hasVariables()
 107          */
 108         public boolean hasVariables() throws DebugException {
 109                 return (fVariables.length > 0);
 110         }
 111
 112         public abstract void renderValueString(String data) throws DebugException;
 113
 114         public abstract boolean verifyValue(String expression);
 115
 116         public boolean setValue(String expression) throws DebugException {
 117                 if (!verifyValue(expression)) {
 118                         return false;
 119                 }
 120
 121                 renderValueString(expression);
 122                 fireEvent(new DebugEvent(this, DebugEvent.CHANGE, DebugEvent.CONTENT));
 123
 124                 return true;
 125         }
 126
 127         public boolean supportsValueModification() {
 128                 return false;
 129         }
 130 }