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   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.xdebug.XDebugConnection;
   6 import net.sourceforge.phpeclipse.xdebug.core.xdebug.ResponseListener.DebugResponse;
   7 import net.sourceforge.phpeclipse.xdebug.php.model.XDebugVariable;
   8 import net.sourceforge.phpeclipse.xdebug.php.model.XDebugTarget;
   9 import org.eclipse.debug.core.model.IDebugElement;
  10 import org.eclipse.debug.core.model.IWatchExpressionDelegate;
  11 import org.eclipse.debug.core.model.IWatchExpressionListener;
  12 import org.eclipse.debug.core.model.IWatchExpressionResult;
  13 import org.w3c.dom.Node;
  14
  15 public class XDebugWatchExpressionDelegate implements IWatchExpressionDelegate {
  16         public void evaluateExpression(String expression, IDebugElement context, IWatchExpressionListener listener) {
  17                 IWatchExpressionResult x;
  18                 XDebugConnection connection;
  19                 XDebugTarget s;
  20
  21                 x = new XDebugWatchExpressionResult(expression, null, null);
  22
  23                 s = (XDebugTarget) context.getDebugTarget();
  24                 connection = (XDebugConnection) s.getDebugConnection();
  25
  26                 if( connection != null ) {
  27                         try {
  28                                 if( ! connection.isClosed() ) {
  29                                         String encoded = Base64.encodeBytes(expression.getBytes());
  30                                         DebugResponse evalCommand = connection.sendRequestA( "eval", "-- "+encoded );
  31
  32                                         Node evalNode = evalCommand.getParentNode();
  33                                         XDebugVariable var= connection.getVariableFromNodeA( null, evalNode.getFirstChild());
  34                                         XDebugVariable result[] = {var};
  35
  36                                         if (result.length == 0) {
  37                                                 x = new XDebugWatchExpressionResult(expression, null, null);
  38                                         } else {
  39                                                 x = new XDebugWatchExpressionResult(expression, result[0].getValue(), null);
  40                                         }
  41                                 }
  42                         } catch (Exception e) {
  43                                 String[] s1;
  44
  45                                 s1 = new String[1];
  46                                 s1[0] = e.toString();
  47                                 x = new XDebugWatchExpressionResult(expression, null, s1);
  48                         }
  49                 }
  50
  51                 listener.watchEvaluationFinished(x);
  52         }
  53 }