net.sourceforge.phpeclipse.xdebug.core/src/net/sourceforge/phpeclipse/xdebug/php/model/XDebugWatchExpressionDelegate.java

   1 package net.sourceforge.phpeclipse.xdebug.php.model;
   2
   3
   4 import net.sourceforge.phpeclipse.xdebug.core.Base64;
   5 import net.sourceforge.phpeclipse.xdebug.core.PHPDebugUtils;
   6 import net.sourceforge.phpeclipse.xdebug.core.xdebug.XDebugConnection;
   7 import net.sourceforge.phpeclipse.xdebug.core.xdebug.ResponseListener.DebugResponse;
   8 import net.sourceforge.phpeclipse.xdebug.php.model.XDebugVariable;
   9 import net.sourceforge.phpeclipse.xdebug.php.model.XDebugTarget;
  10
  11 import org.eclipse.debug.core.DebugException;
  12 import org.eclipse.debug.core.model.IDebugElement;
  13 import org.eclipse.debug.core.model.IVariable;
  14 import org.eclipse.debug.core.model.IWatchExpressionDelegate;
  15 import org.eclipse.debug.core.model.IWatchExpressionListener;
  16 import org.eclipse.debug.core.model.IWatchExpressionResult;
  17 import org.w3c.dom.Node;
  18 import org.w3c.dom.NodeList;
  19
  20 public class XDebugWatchExpressionDelegate implements IWatchExpressionDelegate {
  21         public void evaluateExpression(String expression, IDebugElement context, IWatchExpressionListener listener) {
  22                 IWatchExpressionResult x;
  23                 XDebugConnection connection;
  24                 XDebugTarget s;
  25
  26                 x = new XDebugWatchExpressionResult(expression, null, null);
  27
  28                 s = (XDebugTarget) context.getDebugTarget();
  29                 connection = (XDebugConnection) s.getDebugConnection();
  30
  31                 if( connection != null ) {
  32                         try {
  33                                 if( ! connection.isClosed() ) {
  34                                         DebugResponse evalCommand = connection.eval(expression);
  35
  36                                         Node evalNode = evalCommand.getParentNode();
  37                                         XDebugVariable var= /*connection.*/getVariableFromNodeA( null, evalNode.getFirstChild());
  38                                         XDebugVariable result[] = {var};
  39
  40                                         if (result.length == 0) {
  41                                                 x = new XDebugWatchExpressionResult(expression, null, null);
  42                                         } else {
  43                                                 x = new XDebugWatchExpressionResult(expression, result[0].getValue(), null);
  44                                         }
  45                                 }
  46                         } catch (Exception e) {
  47                                 String[] s1;
  48
  49                                 s1 = new String[1];
  50                                 s1[0] = e.toString();
  51                                 x = new XDebugWatchExpressionResult(expression, null, s1);
  52                         }
  53                 }
  54
  55                 listener.watchEvaluationFinished(x);
  56         }
  57
  58         private XDebugVariable getVariableFromNodeA(XDebugStackFrame frame, Node property) {
  59                 String address = PHPDebugUtils.getAttributeValue(property, "address");
  60                 String varName;
  61                 String Name = PHPDebugUtils.getAttributeValue(property,"name");
  62                 if ("".equals(Name)) {
  63                         varName = address;
  64                 } else {
  65                         varName = Name;
  66                 }
  67
  68                 String varEncoding=PHPDebugUtils.getAttributeValue(property,"encoding");
  69                 int varNumChildren = 0;
  70                 if (PHPDebugUtils.getAttributeValue(property,"numchildren").equals(""))
  71                         varNumChildren = 0;
  72                 else
  73                         varNumChildren=Integer.parseInt(PHPDebugUtils.getAttributeValue(property,"numchildren"));
  74
  75                 String typeName=PHPDebugUtils.getAttributeValue(property,"type");
  76
  77                 XDebugVariable variable = new XDebugVariable(typeName, varName);
  78                 variable.setEncoding(varEncoding);
  79                 variable.setNumChildren(varNumChildren);
  80                 XDebugAbstractValue val=null;
  81                 try {
  82                         val = (XDebugAbstractValue) variable.getValue();
  83                 } catch (DebugException e1) {
  84                         e1.printStackTrace();
  85                 }
  86                 if (val.getType()!= XDebugAbstractValue.VALUETYPE_UNINITIALIZED) {
  87                         if (variable.hasChildren()) {
  88                                 NodeList varNodes = property.getChildNodes();
  89                                 val.renderValueString(""+varNodes.getLength());
  90                                 IVariable[] variables = new IVariable[varNodes.getLength()];
  91                                 for (int i = 0; i<varNodes.getLength(); i++) {
  92                                         Node propertyNode = varNodes.item(i);
  93                                         variables[i] = getVariableFromNodeA(frame, propertyNode);
  94                                 }
  95                                 val.setChildVariables(variables);
  96                         }else {
  97                                 String str="";
  98                                 try {
  99                                         str=property.getFirstChild().getNodeValue();
 100                                 } catch (NullPointerException e) {
 101                                         str="";
 102                                 }
 103                                 if (variable.getEncoding().equals("base64")) {
 104                                         if (str.length()!=0)
 105                                                 str=new String(Base64.decode(str));
 106                                         else
 107                                                 str="";
 108                                 }
 109                                 val.renderValueString(str);
 110                         }
 111
 112                         String className=PHPDebugUtils.getAttributeValue(property,"classname");
 113                         if(!"".equals(className))
 114                                 val.renderValueString(className);
 115                 }
 116                 return variable;
 117
 118         }
 119 }