Attachment #46105 for bug #145123

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package org.eclipse.mylar.internal.sandbox.web;

import java.io.IOException;
import java.util.List;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.MultiStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.bindings.keys.KeyStroke;
import org.eclipse.jface.fieldassist.ContentProposalAdapter;
import org.eclipse.jface.fieldassist.IContentProposal;
import org.eclipse.jface.fieldassist.IContentProposalProvider;
import org.eclipse.jface.fieldassist.TextContentAdapter;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.mylar.provisional.tasklist.AbstractQueryHit;
import org.eclipse.mylar.provisional.tasklist.AbstractRepositoryQuery;
import org.eclipse.mylar.provisional.tasklist.MylarTaskListPlugin;
import org.eclipse.mylar.provisional.tasklist.TaskRepository;

import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;

	
	private TaskRepository repository;
	private WebQuery query;
	private UpdatePreviewJob updatePreviewJob;

	public WebQueryWizardPage(TaskRepository repository) {
		this(repository, null);

			}
		});
		queryUrlText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
		new Label(composite, SWT.NONE);

		Label regexpLabel = new Label(composite, SWT.NONE);
		regexpLabel.setText("Regexp:");
		regexpLabel.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, true));

		regexpText = new Text(composite, SWT.V_SCROLL | SWT.MULTI | SWT.BORDER | SWT.WRAP);
		GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
		gridData.heightHint = 39;
		regexpText.setLayoutData(gridData);
		
		regexpText.addModifyListener(new ModifyListener() {
				public void modifyText(final ModifyEvent e) {
					if(webPage!=null) {
						updatePreview();
					}
				}
			});

		new ContentProposalAdapter(regexpText, new TextContentAdapter(),
				new RegExpProposalProvider(), KeyStroke.getInstance(SWT.CTRL, ' '), null);

		Button preview = new Button(composite, SWT.NONE);
		preview.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, true));
		preview.setText("Preview");
		preview.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(final SelectionEvent e) {

		taskPrefixText = new Text(composite, SWT.BORDER);
		taskPrefixText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
		new Label(composite, SWT.NONE);

		Label regexpLabel = new Label(composite, SWT.NONE);
		regexpLabel.setText("Regexp:");
		regexpLabel.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, true));

		regexpText = new Text(composite, SWT.V_SCROLL | SWT.MULTI | SWT.BORDER | SWT.WRAP);
		GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
		gridData.heightHint = 39;
		regexpText.setLayoutData(gridData);
		regexpText.addModifyListener(new ModifyListener() {
			public void modifyText(final ModifyEvent e) {
				if(webPage!=null) {
					updatePreview();
				}
			}
		});
		
		
//		ContentProposalAdapter adapter = new ContentProposalAdapter(regexpText, new TextContentAdapter(),
//				new RegExpProposalProvider(), KeyStroke.getInstance(SWT.CTRL, ' '), null);

		previewTable = new Table(sashForm, SWT.BORDER);
		previewTable.setLinesVisible(true);
		previewTable.setHeaderVisible(true);

		if(query!=null) {
			descriptionText.setText(query.getDescription());
			queryUrlText.setText(query.getQueryUrl());
			taskPrefixText.setText(query.getTaskPrefix());
			regexpText.setText(query.getRegexp());
			taskPrefixText.setText(query.getTaskPrefix());
		}
		sashForm.setWeights(new int[] {141, 172 });
		sashForm.setWeights(new int[] {123, 166 });
	}

	public AbstractRepositoryQuery getQuery() {

				MylarTaskListPlugin.getTaskListManager().getTaskList(), repository.getUrl());
	}

	// TODO run asynchronously
	synchronized void updatePreview() {
		if(updatePreviewJob==null) {
			updatePreviewJob = new UpdatePreviewJob("Updating preview");
			updatePreviewJob.setPriority(Job.DECORATE);
		}
		updatePreviewJob.setParams(queryUrlText.getText(), regexpText.getText());
		if(!updatePreviewJob.isActive()) {
			updatePreviewJob.schedule();
		}
		
	}
	
	void updatePreviewTable(List<AbstractQueryHit> hits, MultiStatus queryStatus) {
		if(previewTable.isDisposed()) {
			return;
		}
		
		previewTable.removeAll();

		if(hits!=null) {
			for (AbstractQueryHit hit : hits) {
				TableItem item = new TableItem(previewTable, SWT.NONE);
				if(hit.getId()!=null) {
					item.setText(0, hit.getId());
					if(hit.getDescription()!=null) {
						item.setText(1, hit.getDescription());
					}
				}
			}
		}

		if(queryStatus.isOK()) {
			setErrorMessage(null);
			setPageComplete(true);
		} else {
			StringBuffer sb = new StringBuffer();
			for (IStatus status : queryStatus.getChildren()) {
				sb.append(status.getMessage()).append("\n");
			}
			setErrorMessage(sb.toString());
			setPageComplete(false);
		}
	}
	
	private final class UpdatePreviewJob extends Job {
		private volatile String url;
		private volatile String regexp;
		private volatile boolean active = false;

		private UpdatePreviewJob(String name) {
			super(name);
		}
		
		public boolean isActive() {
			return active;
		}

		public void setParams(String url, String regexp) {
			this.url = url;
			this.regexp = regexp;
		}

		protected IStatus run(IProgressMonitor monitor) {
			String currentUrl = url;
			String currentRegexp = regexp;
			active = true;
			do {
				final MultiStatus queryStatus = new MultiStatus(MylarTaskListPlugin.PLUGIN_ID, IStatus.OK, "Query result", null);
				List<AbstractQueryHit> hits = null;
				try {
					if(webPage==null) {
						webPage = WebRepositoryConnector.fetchResource(currentUrl);
					}

					hits = WebRepositoryConnector.performQuery(webPage, currentRegexp, null, null, monitor, queryStatus);
					
				} catch (final IOException ex) {
					queryStatus.add(new Status(IStatus.ERROR, MylarTaskListPlugin.PLUGIN_ID, IStatus.ERROR,
							"Unable to fetch resource: "+ex.getMessage(), null));
				} catch (final Exception ex) {
					queryStatus.add(new Status(IStatus.ERROR, MylarTaskListPlugin.PLUGIN_ID, IStatus.ERROR,
							"Parsing error: "+ex.getMessage(), null));
				}
				
				final List<AbstractQueryHit> queryHits = hits;
				Display.getDefault().asyncExec(new Runnable() {
					public void run() {
						updatePreviewTable(queryHits, queryStatus);
					}
				});
			} while(currentRegexp!=regexp && !monitor.isCanceled());
			active = false;
			return Status.OK_STATUS;
		}
		return webPage;
	}


	/**
	 * Simple proposal provider for regexps  
	 */
	private static final class RegExpProposalProvider implements IContentProposalProvider {
		private static final String[] LABELS = {
				"IssueZilla",
				"GForge",
				"Trac",
				"Jira",
				"vBulletin"
			};
		private static final String[] PROPOSALS = {
				"<a href=\"show_bug.cgi\\?id\\=(.+?)\">.+?<span class=\"summary\">(.+?)</span>",
				"<a class=\"tracker\" href=\"/tracker/index.php\\?func=detail&aid=(.+?)&group_id=GROUP&atid=ATID\">(.+?)</a></td>",
				"<td class=\"summary\"><a title=\"View ticket\" href=\"/project/ticket/(.+?)\">(.+?)</a></td>",
				"<td class=\"nav summary\">\\s+?<a href=\"/browse/(.+?)\".+?>(.+?)</a>",
				"<a href=\"showthread.php\\?.+?t=(\\d+?)\" id=\"thread_title_\\1\">(.+?)</a>"
			};

		public IContentProposal[] getProposals(String contents, int position) {
			IContentProposal[] res = new IContentProposal[LABELS.length]; 
			for (int i = 0; i < LABELS.length; i++) {
				final String label = LABELS[i];
				final String content = PROPOSALS[i];
				res[i] = new IContentProposal() {
						public String getContent() {
							return content;
						}
						public int getCursorPosition() {
							return content.length();
						}
						public String getDescription() {
							return content;
						}
						public String getLabel() {
							return label;
						}
					};
			}
			return res;
		}
	}
	
}


Return to bug 145123

Lines 8-17 Link Here

(-)src/org/eclipse/mylar/internal/sandbox/web/WebQueryWizardPage.java (-102 / +168 lines)
8		8
9	package org.eclipse.mylar.internal.sandbox.web;	9	package org.eclipse.mylar.internal.sandbox.web;
10		10
11	import java.util.regex.Matcher;	11	import java.io.IOException;
12	import java.util.regex.Pattern;	12	import java.util.List;
13		13
		14	import org.eclipse.core.runtime.IProgressMonitor;
		15	import org.eclipse.core.runtime.IStatus;
		16	import org.eclipse.core.runtime.MultiStatus;
		17	import org.eclipse.core.runtime.Status;
		18	import org.eclipse.core.runtime.jobs.Job;
		19	import org.eclipse.jface.bindings.keys.KeyStroke;
		20	import org.eclipse.jface.fieldassist.ContentProposalAdapter;
		21	import org.eclipse.jface.fieldassist.IContentProposal;
		22	import org.eclipse.jface.fieldassist.IContentProposalProvider;
		23	import org.eclipse.jface.fieldassist.TextContentAdapter;
14	import org.eclipse.jface.wizard.WizardPage;	24	import org.eclipse.jface.wizard.WizardPage;
		25	import org.eclipse.mylar.provisional.tasklist.AbstractQueryHit;
15	import org.eclipse.mylar.provisional.tasklist.AbstractRepositoryQuery;	26	import org.eclipse.mylar.provisional.tasklist.AbstractRepositoryQuery;
16	import org.eclipse.mylar.provisional.tasklist.MylarTaskListPlugin;	27	import org.eclipse.mylar.provisional.tasklist.MylarTaskListPlugin;
17	import org.eclipse.mylar.provisional.tasklist.TaskRepository;	28	import org.eclipse.mylar.provisional.tasklist.TaskRepository;
Lines 25-30 Link Here
25	import org.eclipse.swt.layout.GridLayout;	36	import org.eclipse.swt.layout.GridLayout;
26	import org.eclipse.swt.widgets.Button;	37	import org.eclipse.swt.widgets.Button;
27	import org.eclipse.swt.widgets.Composite;	38	import org.eclipse.swt.widgets.Composite;
		39	import org.eclipse.swt.widgets.Display;
28	import org.eclipse.swt.widgets.Label;	40	import org.eclipse.swt.widgets.Label;
29	import org.eclipse.swt.widgets.Table;	41	import org.eclipse.swt.widgets.Table;
30	import org.eclipse.swt.widgets.TableColumn;	42	import org.eclipse.swt.widgets.TableColumn;
Lines 56-61 Link Here
56		68
57	private TaskRepository repository;	69	private TaskRepository repository;
58	private WebQuery query;	70	private WebQuery query;
		71	private UpdatePreviewJob updatePreviewJob;
59		72
60	public WebQueryWizardPage(TaskRepository repository) {	73	public WebQueryWizardPage(TaskRepository repository) {
61	this(repository, null);	74	this(repository, null);
Lines 97-104 Link Here
97	}	110	}
98	});	111	});
99	queryUrlText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));	112	queryUrlText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
		113	new Label(composite, SWT.NONE);
		114
		115	Label regexpLabel = new Label(composite, SWT.NONE);
		116	regexpLabel.setText("Regexp:");
		117	regexpLabel.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, true));
		118
		119	regexpText = new Text(composite, SWT.V_SCROLL \| SWT.MULTI \| SWT.BORDER \| SWT.WRAP);
		120	GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
		121	gridData.heightHint = 39;
		122	regexpText.setLayoutData(gridData);
		123
		124	regexpText.addModifyListener(new ModifyListener() {
		125	public void modifyText(final ModifyEvent e) {
		126	if(webPage!=null) {
		127	updatePreview();
		128	}
		129	}
		130	});
		131
		132	new ContentProposalAdapter(regexpText, new TextContentAdapter(),
		133	new RegExpProposalProvider(), KeyStroke.getInstance(SWT.CTRL, ' '), null);
100		134
101	Button preview = new Button(composite, SWT.NONE);	135	Button preview = new Button(composite, SWT.NONE);
		136	preview.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, true));
102	preview.setText("Preview");	137	preview.setText("Preview");
103	preview.addSelectionListener(new SelectionAdapter() {	138	preview.addSelectionListener(new SelectionAdapter() {
104	public void widgetSelected(final SelectionEvent e) {	139	public void widgetSelected(final SelectionEvent e) {
Lines 114-140 Link Here
114	taskPrefixText = new Text(composite, SWT.BORDER);	149	taskPrefixText = new Text(composite, SWT.BORDER);
115	taskPrefixText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));	150	taskPrefixText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
116	new Label(composite, SWT.NONE);	151	new Label(composite, SWT.NONE);
117
118	Label regexpLabel = new Label(composite, SWT.NONE);
119	regexpLabel.setText("Regexp:");
120	regexpLabel.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, true));
121
122	regexpText = new Text(composite, SWT.V_SCROLL \| SWT.MULTI \| SWT.BORDER \| SWT.WRAP);
123	GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
124	gridData.heightHint = 39;
125	regexpText.setLayoutData(gridData);
126	regexpText.addModifyListener(new ModifyListener() {
127	public void modifyText(final ModifyEvent e) {
128	if(webPage!=null) {
129	updatePreview();
130	}
131	}
132	});
133
134		152
135	// ContentProposalAdapter adapter = new ContentProposalAdapter(regexpText, new TextContentAdapter(),
136	// new RegExpProposalProvider(), KeyStroke.getInstance(SWT.CTRL, ' '), null);
137
138	previewTable = new Table(sashForm, SWT.BORDER);	153	previewTable = new Table(sashForm, SWT.BORDER);
139	previewTable.setLinesVisible(true);	154	previewTable.setLinesVisible(true);
140	previewTable.setHeaderVisible(true);	155	previewTable.setHeaderVisible(true);
Lines 152-162 Link Here
152	if(query!=null) {	167	if(query!=null) {
153	descriptionText.setText(query.getDescription());	168	descriptionText.setText(query.getDescription());
154	queryUrlText.setText(query.getQueryUrl());	169	queryUrlText.setText(query.getQueryUrl());
155	taskPrefixText.setText(query.getTaskPrefix());
156	regexpText.setText(query.getRegexp());	170	regexpText.setText(query.getRegexp());
		171	taskPrefixText.setText(query.getTaskPrefix());
157	}	172	}
158	new Label(composite, SWT.NONE);	173	sashForm.setWeights(new int[] {141, 172 });
159	sashForm.setWeights(new int[] {123, 166 });
160	}	174	}
161		175
162	public AbstractRepositoryQuery getQuery() {	176	public AbstractRepositoryQuery getQuery() {
Lines 168-260 Link Here
168	MylarTaskListPlugin.getTaskListManager().getTaskList(), repository.getUrl());	182	MylarTaskListPlugin.getTaskListManager().getTaskList(), repository.getUrl());
169	}	183	}
170		184
171	// TODO run asynchronously
172	synchronized void updatePreview() {	185	synchronized void updatePreview() {
173	String regexp = regexpText.getText();	186	if(updatePreviewJob==null) {
174	try {	187	updatePreviewJob = new UpdatePreviewJob("Updating preview");
175	Pattern p = Pattern.compile(regexp, Pattern.CASE_INSENSITIVE \| Pattern.MULTILINE \| Pattern.DOTALL \| Pattern.UNICODE_CASE \| Pattern.CANON_EQ);	188	updatePreviewJob.setPriority(Job.DECORATE);
176	Matcher matcher = p.matcher(getWebPage());	189	}
177		190	updatePreviewJob.setParams(queryUrlText.getText(), regexpText.getText());
178	previewTable.removeAll();	191	if(!updatePreviewJob.isActive()) {
179		192	updatePreviewJob.schedule();
180	while(matcher.find()) {	193	}
181	if(matcher.groupCount()>0) {	194
182	TableItem item = new TableItem(previewTable, SWT.NONE);	195	}
183	for (int i = 0; i < matcher.groupCount(); i++) {	196
184	item.setText(i, matcher.group(i+1));	197	void updatePreviewTable(List<AbstractQueryHit> hits, MultiStatus queryStatus) {
		198	if(previewTable.isDisposed()) {
		199	return;
		200	}
		201
		202	previewTable.removeAll();
		203
		204	if(hits!=null) {
		205	for (AbstractQueryHit hit : hits) {
		206	TableItem item = new TableItem(previewTable, SWT.NONE);
		207	if(hit.getId()!=null) {
		208	item.setText(0, hit.getId());
		209	if(hit.getDescription()!=null) {
		210	item.setText(1, hit.getDescription());
185	}	211	}
186	}	212	}
187		213	}
188	if(matcher.groupCount()<2) {	214	}
189	setErrorMessage("Require two matching groups (id and description)");	215
190	setPageComplete(false);	216	if(queryStatus.isOK()) {
191	} else {	217	setErrorMessage(null);
192	setErrorMessage(null);	218	setPageComplete(true);
193	setPageComplete(true);	219	} else {
194	}	220	StringBuffer sb = new StringBuffer();
195	}	221	for (IStatus status : queryStatus.getChildren()) {
196		222	sb.append(status.getMessage()).append("\n");
197	} catch(Exception ex) {	223	}
198	setErrorMessage("Parsing error: "+ex.getMessage());	224	setErrorMessage(sb.toString());
199	setPageComplete(false);	225	setPageComplete(false);
200	}	226	}
201	}	227	}
202		228
203	private StringBuffer getWebPage() {	229	private final class UpdatePreviewJob extends Job {
204	if(webPage==null) {	230	private volatile String url;
205	try {	231	private volatile String regexp;
206	webPage = WebRepositoryConnector.fetchResource(queryUrlText.getText());	232	private volatile boolean active = false;
207	} catch(Exception ex) {	233
208	setErrorMessage("Unable to fetch resource: "+ex.getMessage());	234	private UpdatePreviewJob(String name) {
209	setPageComplete(false);	235	super(name);
210	}	236	}
		237
		238	public boolean isActive() {
		239	return active;
		240	}
		241
		242	public void setParams(String url, String regexp) {
		243	this.url = url;
		244	this.regexp = regexp;
		245	}
		246
		247	protected IStatus run(IProgressMonitor monitor) {
		248	String currentUrl = url;
		249	String currentRegexp = regexp;
		250	active = true;
		251	do {
		252	final MultiStatus queryStatus = new MultiStatus(MylarTaskListPlugin.PLUGIN_ID, IStatus.OK, "Query result", null);
		253	List<AbstractQueryHit> hits = null;
		254	try {
		255	if(webPage==null) {
		256	webPage = WebRepositoryConnector.fetchResource(currentUrl);
		257	}
		258
		259	hits = WebRepositoryConnector.performQuery(webPage, currentRegexp, null, null, monitor, queryStatus);
		260
		261	} catch (final IOException ex) {
		262	queryStatus.add(new Status(IStatus.ERROR, MylarTaskListPlugin.PLUGIN_ID, IStatus.ERROR,
		263	"Unable to fetch resource: "+ex.getMessage(), null));
		264	} catch (final Exception ex) {
		265	queryStatus.add(new Status(IStatus.ERROR, MylarTaskListPlugin.PLUGIN_ID, IStatus.ERROR,
		266	"Parsing error: "+ex.getMessage(), null));
		267	}
		268
		269	final List<AbstractQueryHit> queryHits = hits;
		270	Display.getDefault().asyncExec(new Runnable() {
		271	public void run() {
		272	updatePreviewTable(queryHits, queryStatus);
		273	}
		274	});
		275	} while(currentRegexp!=regexp && !monitor.isCanceled());
		276	active = false;
		277	return Status.OK_STATUS;
211	}	278	}
212	return webPage;
213	}	279	}
214		280
215		281
216	// /**	282	/**
217	// * Simple proposal provider for regexps	283	* Simple proposal provider for regexps
218	// */	284	*/
219	// private static final class RegExpProposalProvider implements IContentProposalProvider {	285	private static final class RegExpProposalProvider implements IContentProposalProvider {
220	// private static final String[] LABELS = {	286	private static final String[] LABELS = {
221	// "IssueZilla",	287	"IssueZilla",
222	// "GForge",	288	"GForge",
223	// "Trac",	289	"Trac",
224	// "Jira",	290	"Jira",
225	// "vBulletin"	291	"vBulletin"
226	// };	292	};
227	// private static final String[] PROPOSALS = {	293	private static final String[] PROPOSALS = {
228	// "<a href=\"show_bug.cgi\\?id\\=(.+?)\">.+?<span class=\"summary\">(.+?)</span>",	294	"<a href=\"show_bug.cgi\\?id\\=(.+?)\">.+?<span class=\"summary\">(.+?)</span>",
229	// "<a class=\"tracker\" href=\"/tracker/index.php\\?func=detail&aid=(.+?)&group_id=GROUP&atid=ATID\">(.+?)</a></td>",	295	"<a class=\"tracker\" href=\"/tracker/index.php\\?func=detail&aid=(.+?)&group_id=GROUP&atid=ATID\">(.+?)</a></td>",
230	// "<td class=\"summary\"><a title=\"View ticket\" href=\"/project/ticket/(.+?)\">(.+?)</a></td>",	296	"<td class=\"summary\"><a title=\"View ticket\" href=\"/project/ticket/(.+?)\">(.+?)</a></td>",
231	// "<td class=\"nav summary\">\\s+?<a href=\"/browse/(.+?)\".+?>(.+?)</a>",	297	"<td class=\"nav summary\">\\s+?<a href=\"/browse/(.+?)\".+?>(.+?)</a>",
232	// "<a href=\"showthread.php\\?.+?t=(\\d+?)\" id=\"thread_title_\\1\">(.+?)</a>"	298	"<a href=\"showthread.php\\?.+?t=(\\d+?)\" id=\"thread_title_\\1\">(.+?)</a>"
233	// };	299	};
234	//	300
235	// public IContentProposal[] getProposals(String contents, int position) {	301	public IContentProposal[] getProposals(String contents, int position) {
236	// IContentProposal[] res = new IContentProposal[LABELS.length];	302	IContentProposal[] res = new IContentProposal[LABELS.length];
237	// for (int i = 0; i < LABELS.length; i++) {	303	for (int i = 0; i < LABELS.length; i++) {
238	// final String label = LABELS[i];	304	final String label = LABELS[i];
239	// final String content = PROPOSALS[i];	305	final String content = PROPOSALS[i];
240	// res[i] = new IContentProposal() {	306	res[i] = new IContentProposal() {
241	// public String getContent() {	307	public String getContent() {
242	// return content;	308	return content;
243	// }	309	}
244	// public int getCursorPosition() {	310	public int getCursorPosition() {
245	// return content.length();	311	return content.length();
246	// }	312	}
247	// public String getDescription() {	313	public String getDescription() {
248	// return content;	314	return content;
249	// }	315	}
250	// public String getLabel() {	316	public String getLabel() {
251	// return label;	317	return label;
252	// }	318	}
253	// };	319	};
254	// }	320	}
255	// return res;	321	return res;
256	// }	322	}
257	// }	323	}
258		324
259	}	325	}
260		326