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

   1 /*
   2  * Created on 23.11.2004
   3  *
   4  * TODO To change the template for this generated file go to
   5  * Window - Preferences - Java - Code Style - Code Templates
   6  */
   7 package net.sourceforge.phpeclipse.xdebug.php.model;
   8
   9 import net.sourceforge.phpeclipse.xdebug.core.Base64;
  10 import net.sourceforge.phpeclipse.xdebug.core.PHPDebugUtils;
  11
  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 Window -
  22  * Preferences - Java - Code Style - Code Templates
  23  */
  24 public abstract class XDebugAbstractValue extends XDebugElement implements
  25                 IValue {
  26
  27         public static final int VALUETYPE_UNKNOWN = -1;
  28
  29         public static final int VALUETYPE_UNINITIALIZED = 0;
  30
  31         public static final int VALUETYPE_STRING = 1;
  32
  33         public static final int VALUETYPE_INT = 4;
  34
  35         public static final int VALUETYPE_FLOAT = 5;
  36
  37         public static final int VALUETYPE_BOOLEAN = 6;
  38
  39         public static final int VALUETYPE_ARRAY = 8;
  40
  41         public static final int VALUETYPE_HASH = 9;
  42
  43         public static final int VALUETYPE_OBJECT = 10;
  44
  45         protected XDebugVariable fVariable;
  46
  47         private IVariable[] fVariables;
  48
  49         protected String fValueString;
  50
  51         protected int fType;
  52
  53         protected String fTypeName;
  54
  55         public XDebugAbstractValue(XDebugVariable variable, Node varNode,
  56                         String typeName) {
  57                 super((XDebugTarget) variable.getDebugTarget());
  58                 fVariable = variable;
  59                 if (varNode == null) {
  60                         try {
  61                                 System.out.println(variable.getName() + "=null");
  62                         } catch (DebugException e) {
  63                                 // TODO Auto-generated catch block
  64                                 e.printStackTrace();
  65                         }
  66                         return;
  67                 }
  68                 setType(typeName);
  69                 NodeList property = varNode.getChildNodes();
  70                 if (variable.hasChildren()) {
  71                         renderValueString("" + property.getLength());
  72                         fVariables = new IVariable[property.getLength()];
  73                         for (int i = 0; i < property.getLength(); i++) {
  74                                 Node propertyNode = property.item(i);
  75                                 fVariables[i] = new XDebugVariable(variable.getStackFrame(),
  76                                                 propertyNode);
  77                         }
  78                 } else {
  79                         // fDataString="";
  80                         fVariables = new IVariable[0];
  81                         // if (variable.getType()== XDebugVariable.VARTYPE_UNINITIALIZED)
  82                         // fValueString="uninitialized";
  83                         // else {
  84                         String str = "";
  85                         try {
  86                                 str = varNode.getFirstChild().getNodeValue();
  87                         } catch (NullPointerException e) {
  88                                 str = "";
  89                         }
  90                         if (variable.getEncoding().equals("base64")) {
  91                                 if (str.length() != 0)
  92                                         str = new String(Base64.decode(str));
  93                                 else
  94                                         str = "";
  95                         }
  96                         renderValueString(str);
  97                         // }
  98                 }
  99                 String className = PHPDebugUtils
 100                                 .getAttributeValue(varNode, "classname");
 101                 if (className != "")
 102                         renderValueString(className);
 103
 104         }
 105
 106         /*
 107          * (non-Javadoc)
 108          *
 109          * @see org.eclipse.debug.core.model.IValue#getReferenceTypeName()
 110          */
 111         public String getReferenceTypeName() throws DebugException {
 112                 return fTypeName;
 113         }
 114
 115         /*
 116          * (non-Javadoc)
 117          *
 118          * @see org.eclipse.debug.core.model.IValue#getValueString()
 119          */
 120         public String getValueString() throws DebugException {
 121                 return fValueString;
 122         }
 123
 124         /*
 125          * (non-Javadoc)
 126          *
 127          * @see org.eclipse.debug.core.model.IValue#isAllocated()
 128          */
 129         public boolean isAllocated() throws DebugException {
 130                 return true;
 131         }
 132
 133         /*
 134          * (non-Javadoc)
 135          *
 136          * @see org.eclipse.debug.core.model.IValue#getVariables()
 137          */
 138         public IVariable[] getVariables() throws DebugException {
 139                 return fVariables;
 140         }
 141
 142         /*
 143          * (non-Javadoc)
 144          *
 145          * @see org.eclipse.debug.core.model.IValue#hasVariables()
 146          */
 147         public boolean hasVariables() throws DebugException {
 148                 return (fVariables.length > 0);
 149         }
 150
 151         public boolean isArray() {
 152                 return ((fType & VALUETYPE_ARRAY) > 0);
 153         }
 154
 155         public abstract void setType(String typeName);
 156
 157         public abstract void renderValueString(String data);
 158
 159         public abstract boolean verifyValue(String expression);
 160
 161         public boolean setValue(String expression) {
 162                 if (!verifyValue(expression))
 163                         return false;
 164                 if (fTarget.setVarValue(fVariable.getFullName(), expression)) {
 165                         renderValueString(expression);
 166                         return true;
 167                 }
 168                 return false;
 169         }
 170
 171         public boolean supportsValueModification() {
 172                 return false;
 173         }
 174 }