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

   1 package net.sourceforge.phpeclipse.xdebug.php.model;
   2
   3 import org.eclipse.debug.core.DebugEvent;
   4 import org.eclipse.debug.core.DebugException;
   5 import org.w3c.dom.Node;
   6
   7 public class XDebugBooleanValue extends XDebugAbstractValue {
   8         public XDebugBooleanValue(XDebugStackFrame variable, Node value) throws DebugException {
   9                 super(variable, value);
  10
  11                 renderValueString(rowValue);
  12         }
  13
  14         public boolean supportsValueModification() {
  15                 return true;
  16         }
  17
  18         public boolean setValue(String expression) throws DebugException {
  19                 if (isValid(expression)) {
  20                         renderValueString(expression);
  21                         fireEvent(new DebugEvent(this, DebugEvent.CHANGE, DebugEvent.CONTENT));
  22                         return true;
  23                 }
  24                 return false;
  25         }
  26
  27         private void renderValueString(String data) {
  28                 if (data.equals("0") || data.toLowerCase().equals("false")) {
  29                         setValueString("false");
  30                 } else if (data.equals("1") || data.toLowerCase().equals("true")) {
  31                         setValueString("true");
  32                 }
  33         }
  34
  35         private boolean isValid(String expression) {
  36                 int value = -1;
  37                 try {
  38                         value = Integer.parseInt(expression);
  39                 } catch (NumberFormatException e) {
  40                         expression = expression.toLowerCase();
  41                         if (expression.equals("true") || expression.equals("false"))
  42                                 return true;
  43                         else
  44                                 return false;
  45                 }
  46                 if ((value >= 0)&& (value <= 1))
  47                         return true;
  48                 return false;
  49         }
  50
  51         public boolean verifyValue(String expression) {
  52                 return isValid(expression);
  53         }
  54 }