f8c54bdbc9d2ba4a93a9528de03f0bec844004a3
[phpeclipse.git] / net.sourceforge.phpeclipse.xdebug.core / src / net / sourceforge / phpeclipse / xdebug / php / model / XDebugVariable.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.PHPDebugUtils;
10
11 //import org.eclipse.core.runtime.CoreException;
12 import org.eclipse.debug.core.DebugException;
13 //import org.eclipse.debug.core.DebugEvent;
14 import org.eclipse.debug.core.model.IValue;
15 import org.eclipse.debug.core.model.IVariable;
16 import org.w3c.dom.Node;
17 //import org.eclipse.debug.core.model.IWatchExpressionDelegate;
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 public class XDebugVariable  extends XDebugElement implements IVariable/*, IWatchExpressionFactoryAdapter*/ {
25         /*public static final int VARTYPE_UNKNOWN = -1;
26         public static final int VARTYPE_UNINITIALIZED = 0;
27         public static final int VARTYPE_STRING = 1;
28         public static final int VARTYPE_INT = 2;
29         public static final int VARTYPE_FLOAT = 3;
30         public static final int VARTYPE_ARRAY = 8;
31         public static final int VARTYPE_HASH = 9;
32         public static final int VARTYPE_OBJECT = 10;
33         public static final int VARTYPE_RESOURCE = 11;*/
34         
35         private int fNumChildren;
36         private String fName;
37         private String fFullName;
38         private String fEncoding;
39         private XDebugStackFrame fFrame;
40         private XDebugAbstractValue fValue;
41         private String fFacet;
42         
43         /**
44          * Constructs a variable contained in the given stack frame
45          * with the given name.
46          * 
47          * @param frame owning stack frame
48          * @param name variable name
49          */
50         public XDebugVariable(XDebugStackFrame frame, Node property) {
51                 if (frame != null ) {
52                         //super((XDebugTarget) frame.getDebugTarget());
53                         fFrame = frame;
54                 }
55
56                 String address = PHPDebugUtils.getAttributeValue(property,"address");
57
58                 fName = PHPDebugUtils.getAttributeValue(property,"name");
59                 if ("".equals(fName)) {
60                         fName = address;
61                 } /*else {
62                         varName = Name;
63                 }*/
64                 
65                 fFullName = PHPDebugUtils.getAttributeValue(property,"fullname");
66                 fEncoding = PHPDebugUtils.getAttributeValue(property,"encoding");
67                 if (PHPDebugUtils.getAttributeValue(property,"numchildren").equals("")) {
68                         fNumChildren = 0;
69                 } else {
70                         fNumChildren = Integer.parseInt(PHPDebugUtils.getAttributeValue(property, "numchildren"));
71                 }
72
73                 String typeName = PHPDebugUtils.getAttributeValue(property, "type");
74
75                 fFacet = PHPDebugUtils.getAttributeValue(property, "facet");
76
77                 if (typeName.equals("int") ) 
78                         fValue= new XDebugIntValue(this,property,typeName);
79                 else if (typeName.equals("float") ) 
80                         fValue= new XDebugFloatValue(this,property,typeName);
81                 else if (typeName.equals("bool") ) 
82                         fValue= new XDebugBooleanValue(this,property,typeName);
83                 else if (typeName.equals("string") )
84                         fValue= new XDebugStringValue(this,property,typeName);
85                 else if (typeName.equals("array") )
86                         fValue= new XDebugArrayValue(this,property,typeName);
87                 else if (typeName.equals("hash") )
88                         fValue= new XDebugArrayValue(this,property,typeName);
89                 else if (typeName.equals("object") )
90                         fValue= new XDebugArrayValue(this,property,typeName);
91                 else if (typeName.equals("resource") )
92                         fValue= new XDebugResourceValue(this, property, typeName);
93                 else
94                         fValue= new XDebugValue(this,property,typeName);
95         }
96                 
97         /* (non-Javadoc)
98          * @see org.eclipse.debug.core.model.IVariable#getValue()
99          */
100         public IValue getValue() throws DebugException {
101                 return fValue;
102 //              return ((XDebugTarget)getDebugTarget()).getVariableValue(this);
103         }
104         
105         /* (non-Javadoc)
106          * @see org.eclipse.debug.core.model.IVariable#getName()
107          */
108         public String getName() throws DebugException {
109                 if (fFullName.endsWith("]"))
110                         return fFullName.substring(fFullName.lastIndexOf('['));
111                 else
112                         return fName;
113         }
114         
115         /* (non-Javadoc)
116          * @see org.eclipse.debug.core.model.IVariable#getReferenceTypeName()
117          */
118         public String getReferenceTypeName() throws DebugException {
119                 return fValue.getReferenceTypeName();
120         }
121         
122         /* (non-Javadoc)
123          * @see org.eclipse.debug.core.model.IVariable#hasValueChanged()
124          */
125         public boolean hasValueChanged() throws DebugException {
126                 return fValue.hasChanged();
127         }
128         
129         /* (non-Javadoc)
130          * @see org.eclipse.debug.core.model.IValueModification#setValue(java.lang.String)
131          */
132         public void setValue(String expression) throws DebugException {
133                 if(fValue.setValue(expression)) {
134                         
135                 }
136                         //fireEvent(new DebugEvent(this, DebugEvent.CHANGE, DebugEvent.CONTENT));
137                 //fValue.setValueA(expression);
138         }
139         
140         /* (non-Javadoc)
141          * @see org.eclipse.debug.core.model.IValueModification#setValue(org.eclipse.debug.core.model.IValue)
142          */
143         public void setValue(IValue value) throws DebugException {
144                 fValue.setValueB(value);
145         }
146
147         /* (non-Javadoc)
148          * @see org.eclipse.debug.core.model.IValueModification#supportsValueModification()
149          */
150         public boolean supportsValueModification() {
151                 return fValue.supportsValueModification();
152         }
153
154         /* (non-Javadoc)
155          * @see org.eclipse.debug.core.model.IValueModification#verifyValue(java.lang.String)
156          */
157         public boolean verifyValue(String expression) throws DebugException {
158                 return fValue.verifyValue(expression);
159         }
160
161         /* (non-Javadoc)
162          * @see org.eclipse.debug.core.model.IValueModification#verifyValue(org.eclipse.debug.core.model.IValue)
163          */
164         public boolean verifyValue(IValue value) throws DebugException {
165                 return false;
166         }
167         
168         /**
169          * Returns the stack frame owning this variable.
170          * 
171          * @return the stack frame owning this variable
172          */
173         protected XDebugStackFrame getStackFrame() {
174                 return fFrame;
175         }
176         
177 //      public int getType() {
178 //              return fType;
179 //      }
180
181         public String getValueString() throws DebugException {
182                 return fValue.getValueString();
183         }
184         
185         /*public setValueString(String newValueStrig) throws DebugException {
186                 fValue.setValueString getValueString();
187         }*/
188         
189         public boolean hasChildren() {
190                 return (fNumChildren > 0);
191         }
192
193         public String getEncoding() {
194                 return fEncoding;
195         }
196
197         public String getVisibility() {
198                 return fFacet;
199         }
200
201         public void setEncoding(String encoding) {
202                 fEncoding = encoding;
203         }
204         
205         public String toString() {
206                 return null;
207         }
208
209         public String getFullName() {
210                 return fFullName;
211         }
212
213         public int getNumChildren() {
214                 return fNumChildren;
215         }
216
217         public void setChange(IVariable oldVariable)  throws DebugException {
218                 XDebugAbstractValue oldValue = null;
219                 IVariable[] newVariable = null;
220                 IVariable[] oldVariable1 = null;
221
222                 try {
223                         oldValue = (XDebugAbstractValue) oldVariable.getValue();
224                 } catch (DebugException e) {
225                 }
226
227                 try {
228                         oldVariable1 = ((XDebugVariable)oldVariable).getValue().getVariables();
229                         newVariable = fValue.getVariables();
230                 } catch (DebugException e) {
231                 }
232                 
233                 
234                 if(((XDebugVariable) oldVariable).getNumChildren() > 0) {
235                         if ( this.getNumChildren() == 0) {
236                                 try {
237                                         if (!fValue.getValueString().equals(((XDebugAbstractValue)oldValue).getValueString())) {
238                                                 fValue.sethasChanged(true);
239                                         } else {
240                                                 fValue.sethasChanged(false);                                            
241                                         }
242                                 } catch (DebugException e) {
243                                 }
244                         } else {
245                                 for(int i = 0; i < newVariable.length; i++) {
246                                         ((XDebugVariable)newVariable[i]).setChange(((XDebugVariable)oldVariable1[i]));
247                                 }
248                         }                       
249                 } else {
250                         if ( this.getNumChildren() == 0) {
251                                 // controllare anche il tipo (unknow)
252                                 //if (!fValue.getValueString().equals("uninitialized")) {
253                                 if (!fValue.getValueString().equals(oldValue.getValueString())) {
254                                         fValue.sethasChanged(true);
255                                 } else {
256                                         fValue.sethasChanged(false);                                    
257                                 }
258                         } else {
259                                 //IVariable dummy = new XDebugVariable("UNKNOWN", "");
260                                 /*dummy.setValue("uninitialized");
261                                 for(int i = 0; i < newVariable.length; i++) {
262                                         ((XDebugVariable)newVariable[i]).setChange(dummy);
263                                 }
264                                 fValue.sethasChanged(true);*/                           
265                         }
266                 }
267         }
268         /**
269          * Creates and returns an expression for the specified variable
270          * which is used to created an {@link org.eclipse.debug.core.model.IWatchExpression}.
271          * 
272          * @param variable variable a watch expression is required for
273          * @return text used to create a watch expression
274          * @exception org.eclipse.core.runtime.CoreException if unable to create a watch
275          *  expression
276          */
277         /*public String createWatchExpression(IVariable variable) throws CoreException {
278                 
279         }*/     
280 }