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1 package com.genimen.djeneric.tools.scriptengine.test;
2
3 import java.awt.AWTEvent  ;
4 import java.awt.BorderLayout ;
5 import java.awt.Dimension ;
6 import java.awt.FlowLayout ;
7 import java.awt.Toolkit ;
8 import java.awt.event.ActionEvent ;
9 import java.awt.event.KeyEvent ;
10 import java.awt.event.MouseEvent ;
11 import java.awt.event.WindowEvent ;
12 import java.io.BufferedReader ;
13 import java.io.InputStream ;
14 import java.io.InputStreamReader ;
15 import java.net.URL ;
16
17 import javax.swing.ImageIcon ;
18 import javax.swing.JButton ;
19 import javax.swing.JCheckBox ;
20 import javax.swing.JLabel ;
21 import javax.swing.JOptionPane ;
22 import javax.swing.JPanel ;
23 import javax.swing.JScrollPane ;
24 import javax.swing.JSplitPane ;
25 import javax.swing.JTextArea ;
26 import javax.swing.JTree ;
27 import javax.swing.UIManager ;
28 import javax.swing.event.TreeSelectionEvent ;
29 import javax.swing.tree.DefaultTreeModel ;
30 import javax.swing.tree.TreePath ;
31
32 import com.genimen.djeneric.repository.DjPersistenceManager;
33 import com.genimen.djeneric.repository.DjPersistenceManagerFactory;
34 import com.genimen.djeneric.tools.common.DjenericTool;
35 import com.genimen.djeneric.tools.scriptengine.core.DjScriptParserEngine;
36 import com.genimen.djeneric.tools.scriptengine.core.Node;
37 import com.genimen.djeneric.tools.scriptengine.core.ParseException;
38 import com.genimen.djeneric.tools.scriptengine.core.SimpleNode;
39 import com.genimen.djeneric.tools.scriptengine.core.nodes.ScriptNode;
40 import com.genimen.djeneric.util.DjLogger;
41 import com.genimen.djeneric.util.DjString;
42 import com.genimen.djeneric.util.DjStringReplacer;
43
44 public class DjScriptParser extends DjenericTool
45 {
46 private static final long serialVersionUID = 1L;
47 String indent;
48 BorderLayout borderLayout1 = new BorderLayout ();
49 JPanel jPanel1 = new JPanel ();
50 BorderLayout borderLayout2 = new BorderLayout ();
51 JPanel jPanel2 = new JPanel ();
52 JButton _butParse = new JButton ();
53 JPanel jPanel3 = new JPanel ();
54 FlowLayout flowLayout1 = new FlowLayout ();
55 JButton jButton2 = new JButton ();
56 int curIdx = 1;
57 JSplitPane jSplitPane2 = new JSplitPane ();
58 JTextArea _sampleCode = new JTextArea ();
59 JScrollPane _scrCode = new JScrollPane ();
60 JTextArea _value = new JTextArea ();
61 JScrollPane _scrValue = new JScrollPane ();
62 JSplitPane jSplitPane1 = new JSplitPane ();
63 JScrollPane _scrTree = new JScrollPane ();
64 JTree _tree = new JTree ();
65 JLabel _lblStatus = new JLabel ();
66 String NEWLINE = System.getProperty("line.separator", "\n");
67 SimpleNode _parseTreeRoot = null;
68 ParseTreeNode _treeRoot = null;
69 DefaultTreeModel _treeModel = null;
70 JButton jButton3 = new JButton ();
71 JCheckBox _chkNormalize = new JCheckBox ();
72
73 public DjScriptParser()
74 {
75 enableEvents(AWTEvent.WINDOW_EVENT_MASK);
76
77 try
78 {
79 jbInit();
80
81 nextSample();
82
83 setTitle("DjScript Parser v1.0");
84 setSize(800, 600);
85
86 }
87 catch (Exception e)
88 {
89 JOptionPane.showMessageDialog(this, e.getMessage());
90 DjLogger.log(e);
91 System.exit(-1);
92 }
93 }
94
95 public static ImageIcon getImageIcon(String fileName)
96 {
97 URL url = DjScriptParser.class.getResource(fileName);
98 if (url != null) return new ImageIcon (url);
99 else return new ImageIcon ("");
100 }
102
103 private void jbInit() throws Exception
104 {
105 this.getContentPane().setLayout(borderLayout1);
106 jPanel1.setLayout(borderLayout2);
107 _butParse.setText("(Re)parse");
108 _butParse.addActionListener(new java.awt.event.ActionListener ()
109 {
110 public void actionPerformed(ActionEvent e)
111 {
112 _butParse_actionPerformed(e);
113 }
114 });
115 jPanel3.setLayout(flowLayout1);
116 jButton2.setToolTipText("Next example");
117 jButton2.setText(">>");
118 jButton2.addActionListener(new java.awt.event.ActionListener ()
119 {
120 public void actionPerformed(ActionEvent e)
121 {
122 jButton2_actionPerformed(e);
123 }
124 });
125 _sampleCode.setFont(new java.awt.Font ("Monospaced", 0, 12));
126 _sampleCode.addKeyListener(new java.awt.event.KeyAdapter ()
127 {
128 public void keyPressed(KeyEvent e)
129 {
130 _sampleCode_keyPressed(e);
131 }
132 });
133 _value.setFont(new java.awt.Font ("Monospaced", 0, 12));
134 _tree.addTreeSelectionListener(new javax.swing.event.TreeSelectionListener ()
135 {
136 public void valueChanged(TreeSelectionEvent e)
137 {
138 _tree_valueChanged(e);
139 }
140 });
141 _tree.addMouseListener(new java.awt.event.MouseAdapter ()
142 {
143 public void mouseClicked(MouseEvent e)
144 {
145 _tree_mouseClicked(e);
146 }
147 });
148 _lblStatus.setText("Ok");
149 jSplitPane1.setOrientation(JSplitPane.VERTICAL_SPLIT);
150 jButton3.setText("Evaluate");
151 jButton3.addActionListener(new java.awt.event.ActionListener ()
152 {
153 public void actionPerformed(ActionEvent e)
154 {
155 jButton3_actionPerformed(e);
156 }
157 });
158 flowLayout1.setAlignment(FlowLayout.LEFT);
159 _chkNormalize.setSelected(true);
160 _chkNormalize.setText("Normalize");
161 _scrValue.setAutoscrolls(true);
162 this.getContentPane().add(jPanel1, BorderLayout.SOUTH);
163 jPanel1.add(jPanel2, BorderLayout.EAST);
164 jPanel2.add(jButton3, null);
165 jPanel2.add(_butParse, null);
166 jPanel1.add(jPanel3, BorderLayout.CENTER);
167 jPanel3.add(jButton2, null);
168 jPanel3.add(_chkNormalize, null);
169 jPanel1.add(_lblStatus, BorderLayout.NORTH);
170 this.getContentPane().add(jSplitPane2, BorderLayout.CENTER);
171
172 jSplitPane2.add(_scrCode, JSplitPane.BOTTOM);
173 jSplitPane2.add(jSplitPane1, JSplitPane.TOP);
174
175 jSplitPane1.add(_scrTree, JSplitPane.TOP);
176 jSplitPane1.add(_scrValue, JSplitPane.BOTTOM);
177 _scrValue.getViewport().add(_value, null);
178 _scrTree.getViewport().add(_tree, null);
179 _scrCode.getViewport().add(_sampleCode, null);
180 jSplitPane1.setDividerLocation(320);
181 jSplitPane2.setDividerLocation(300);
182 _sampleCode.setAutoscrolls(true);
183 _tree.setRootVisible(true);
184 _tree.setShowsRootHandles(true);
185 _tree.setAutoscrolls(true);
186 _tree.setToggleClickCount(0);
187 _tree.setDoubleBuffered(true);
188 _tree.setCellRenderer(new ParseTreeCellRenderer());
189 _tree.putClientProperty("JTree.lineStyle", "Angled");
190
191 }
192
193 public Node getTree(String tpl) throws Exception
194 {
195 DjScriptParserEngine parser = new DjScriptParserEngine(tpl);
196 return parser.getTree();
197 }
198
199 protected void processWindowEvent(WindowEvent e)
200 {
201 if (e.getID() == WindowEvent.WINDOW_CLOSING)
202 {
203 System.exit(0);
204 }
205 super.processWindowEvent(e);
206
207 }
208
209 public static void main(String [] args)
210 {
211 try
212 {
213 UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
214 DjScriptParser frame = new DjScriptParser();
215 frame.validate();
216 Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
217 Dimension frameSize = frame.getSize();
218 if (frameSize.height > screenSize.height) frameSize.height = screenSize.height;
219
220 if (frameSize.width > screenSize.width) frameSize.width = screenSize.width;
221
222 frame.setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2);
223 frame.setVisible(true);
224
225 }
226 catch (Exception e)
227 {
228 DjLogger.log(e);
229 }
230 }
231
232 String getSample(int idx) throws Exception
233 {
234 InputStream is = this.getClass().getResourceAsStream(idx + ".scr");
235 if (is == null)
236 {
237 return null;
238 }
239 BufferedReader br = new BufferedReader (new InputStreamReader (is));
240 String line;
241 StringBuffer sb = new StringBuffer ();
242 while ((line = br.readLine()) != null)
243 {
244 sb.append(line + NEWLINE);
245 }
246 is.close();
247 return sb.toString();
248 }
249
250 void rebuildTree(SimpleNode root)
251 {
252 _treeRoot = new ParseTreeNode(_tree, root);
253 _treeModel = new DefaultTreeModel (_treeRoot);
254 buildTree(_tree, _treeRoot);
255
256 _tree.setModel(_treeModel);
257
258 _treeModel.nodeStructureChanged(_treeRoot);
259 expandAll(_treeRoot);
260 }
261
262 void buildTree(JTree tree, ParseTreeNode treeNode)
263 {
264
265 SimpleNode parseNode = (SimpleNode) treeNode.getNode();
266 for (int i = 0; i < parseNode.getChildCount(); i++)
267 {
268 SimpleNode child = parseNode.getChild(i);
269 ParseTreeNode ptn = new ParseTreeNode(tree, child);
270 treeNode.insertAsChild(ptn);
271 buildTree(tree, ptn);
272 }
273 }
274
275 void nextSample()
276 {
277 try
278 {
279 String code = getSample(curIdx++);
280 if (code == null)
281 {
282 curIdx = 1;
283 code = getSample(curIdx++);
284 }
285 if (code == null)
286 {
287 _lblStatus.setText("No more samples");
288 }
289 _sampleCode.setText(code);
290 reparse();
291 _lblStatus.setText(_lblStatus.getText() + " (Sample " + (curIdx - 1) + ")");
292 }
293 catch (ParseException px)
294 {
295 handleParseException(px);
296 }
297 catch (Exception x)
298 {
299 curIdx = 1;
300 DjLogger.log(x);
301 }
302
303 }
304
305 public void expandAll(ParseTreeNode node)
306 {
307 _tree.expandPath(new TreePath (node.getPath()));
308 int cc = node.getChildCount();
309 for (int i = 0; i < cc; i++)
310 {
311 ParseTreeNode child = (ParseTreeNode) node.getChildAt(i);
312 expandAll(child);
313 }
314 }
315
316 void handleParseException(ParseException px)
317 {
318 DjLogger.log(px);
319 _value.setText(px.getMessage());
320 _lblStatus.setText("Parse error: " + px.getMessage());
321
322 try
323 {
324 int offset = _sampleCode.getLineStartOffset(px.getLine() - 1) + px.getColumn() - 1;
325
326 _sampleCode.setCaretPosition(offset);
327 _sampleCode.requestFocus();
328 }
329 catch (Exception x2)
330 {
331 DjLogger.log(x2);
332 }
333 }
334
335 void reparse()
336 {
337 DjScriptParserEngine parser = null;
338 try
339 {
340 DjStringReplacer sr = new DjStringReplacer(_sampleCode.getText());
341 String code = sr.replace("\r", "");
342
343 parser = new DjScriptParserEngine(code);
344 _parseTreeRoot = parser.getTree(_chkNormalize.isSelected());
345
346 rebuildTree(_parseTreeRoot);
347 _lblStatus.setText("Parsed ok");
348 }
349 catch (ParseException px)
350 {
351 handleParseException(px);
352 }
353 catch (Throwable x)
354 {
355 DjLogger.log(x);
356 _value.setText(x.getMessage());
357 _lblStatus.setText("Parse error: " + x.getMessage());
358 }
359
360 }
361
362 void jButton2_actionPerformed(ActionEvent e)
363 {
364 nextSample();
365 }
366
367 void _butParse_actionPerformed(ActionEvent e)
368 {
369 reparse();
370
371 }
372
373 public ParseTreeNode getSelectedNode()
374 {
375 if (_tree.getSelectionPath() == null) return null;
376
377 TreePath tp = _tree.getSelectionPath();
378
379 return (ParseTreeNode) (tp.getLastPathComponent());
380 }
381
382 void _tree_valueChanged(TreeSelectionEvent e)
383 {
384 ParseTreeNode tn = getSelectedNode();
385 if (tn == null) return;
386 SimpleNode node = (SimpleNode) tn.getNode();
387 _value.setText(DjString.stripPackagePrefixFromClassName(node.getClass().getName()) + "\n" + node.toString());
388 showLocation();
389 }
390
391 void showLocation()
392 {
393 try
394 {
395 ParseTreeNode tn = getSelectedNode();
396 if (tn == null) return;
397 SimpleNode sn = (SimpleNode) tn.getNode();
398 if (sn.getLine() == 0)
399 {
400 _lblStatus.setText("Location unspecified");
401 }
402 else
403 {
404 int offset = _sampleCode.getLineStartOffset(sn.getLine() - 1) + sn.getColumn() - 1;
405
406 _sampleCode.setCaretPosition(offset);
407 _lblStatus.setText("Located at " + sn.getLine() + ":" + sn.getColumn() + " (offset " + offset + ")");
408 }
409 }
410 catch (Exception x)
411 {
412 DjLogger.log(x);
413 }
414 }
415
416 void _tree_mouseClicked(MouseEvent e)
417 {
418 if (e.getClickCount() > 1) _sampleCode.requestFocus();
419 }
420
421 void evaluate(DjPersistenceManager mgr, ScriptNode parseTree)
422 {
423
429
433
437 }
452
453 void jButton3_actionPerformed(ActionEvent e)
454 {
455 try
456 {
457 DjPersistenceManagerFactory factory = new DjPersistenceManagerFactory(this, "/djeneric/repositories.xml");
458 DjPersistenceManager mgr = factory.createInstance("Local on Hypersonic");
459 try
460 {
461 }
463 finally
464 {
465 mgr.close();
466 }
467 }
468 catch (Exception x)
469 {
470 DjLogger.log(x);
471 }
472 }
473
474 public void update()
475 {
476 }
477
478 void _sampleCode_keyPressed(KeyEvent e)
479 {
480 if (e.getKeyCode() == KeyEvent.VK_Z && e.getModifiers() == KeyEvent.CTRL_MASK)
481 {
482 }
484 if (e.getKeyCode() == KeyEvent.VK_Z && e.getModifiers() == KeyEvent.CTRL_MASK + KeyEvent.SHIFT_MASK)
485 {
486
488 }
489 }
490
491 } |
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