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  3. org.eclipse.jface.text.IDocumentExtension4

Java 类org.eclipse.jface.text.IDocumentExtension4 实例源码

项目：n4js    文件：ChangeManager.java    
/**
 * Applies all given changes to the given document. This method assumes that 'changes' contains only changes
 * intended for the given document; the actual URI stored in the changes is ignored.
 */
public void applyAllInSameDocument(Collection<? extends IAtomicChange> changes, IDocument document)
        throws BadLocationException {
    DocumentRewriteSession rewriteSession = null;
    try {
        // prepare
        if (document instanceof IDocumentExtension4) {
            rewriteSession = ((IDocumentExtension4) document).startRewriteSession(
                    DocumentRewriteSessionType.UNRESTRICTED);
        }
        // perform replacements
        for (IAtomicChange currRepl : changes) {
            currRepl.apply(document);
        }
    } finally {
        // cleanup
        if (rewriteSession != null)
            ((IDocumentExtension4) document).stopRewriteSession(rewriteSession);
    }
}
项目：n4js    文件：ImportRewriter.java    
private ImportRewriter(IDocument document, Resource resource) {
    if (document instanceof IDocumentExtension4) {
        lineDelimiter = ((IDocumentExtension4) document).getDefaultLineDelimiter();
    } else {
        lineDelimiter = Strings.newLine();
    }
    this.script = (Script) resource.getContents().get(0);
    this.existingImports = Lists.newArrayList();
    for (ScriptElement element : script.getScriptElements()) {
        if (element instanceof ImportDeclaration)
            existingImports.add((ImportDeclaration) element);
    }
    this.requestedImports = Sets.newLinkedHashSet();
    this.lazySpacer = new Lazy<>(() -> spacerPreference.getSpacingPreference(resource));

}
项目：bts    文件：EmbeddedEditorModelAccess.java    
public void updateModel(String prefix, String editablePart, String suffix) {
    IDocument document = this.viewer.getDocument();
    if (this.insertLineBreaks) {
        String delimiter = document.getLegalLineDelimiters()[0];
        if (document instanceof IDocumentExtension4) {
            delimiter = ((IDocumentExtension4) document).getDefaultLineDelimiter();
        }
        prefix = prefix + delimiter;
        suffix = delimiter + suffix;
    }
    String model = prefix + editablePart + suffix;
    this.viewer.setRedraw(false);
    this.viewer.getUndoManager().disconnect();
    document.set(model);
    this.viewer.setVisibleRegion(prefix.length(), editablePart.length());
    this.viewer.getUndoManager().connect(this.viewer);
    this.viewer.setRedraw(true);
}
项目：bts    文件：EmbeddedEditorModelAccess.java    
public void updatePrefix(String prefix) {
    try {
        IDocument document = this.viewer.getDocument();
        IRegion visibleRegion = this.viewer.getVisibleRegion();
        String editablePart = document.get(visibleRegion.getOffset(), visibleRegion.getLength());
        int suffixOffset = visibleRegion.getOffset() + visibleRegion.getLength();
        String suffix = "";
        if (document.getLength() - suffixOffset > 0) {
            suffix = document.get(suffixOffset, document.getLength() - suffixOffset);
            if (this.insertLineBreaks) {
                String delimiter = document.getLegalLineDelimiters()[0];
                if (document instanceof IDocumentExtension4) {
                    delimiter = ((IDocumentExtension4) document).getDefaultLineDelimiter();
                }
                suffix = suffix.substring(delimiter.length());
            }
        }
        updateModel(prefix, editablePart, suffix);
    } catch (BadLocationException e) {
        throw new RuntimeException(e);
    }
}
项目：che    文件：BufferValidationState.java    
public static BufferValidationState create(IFile file) {
  ITextFileBuffer buffer = getBuffer(file);
  if (buffer == null) {
    return new ModificationStampValidationState(file);
  } else {
    IDocument document = buffer.getDocument();
    if (document instanceof IDocumentExtension4) {
      return new ModificationStampValidationState(file);
    } else {
      if (buffer.isDirty()) {
        return new NoStampValidationState(file);
      } else {
        return new ModificationStampValidationState(file);
      }
    }
  }
}
项目：che    文件：BufferValidationState.java    
public RefactoringStatus isValid(boolean needsSaving, boolean resilientForDerived)
    throws CoreException {
  RefactoringStatus result = super.isValid(needsSaving, resilientForDerived);
  if (result.hasFatalError()) return result;
  ModificationStamp currentStamp = getModificationStamp();
  // we don't need to check the kind here since the document stamp
  // and file stamp are in sync for documents implementing
  // IDocumentExtension4. If both are file stamps the file must
  // not be dirty
  if (fModificationStamp.getValue() != currentStamp.getValue()
      // we know here that the stamp value are equal. However, if
      // the stamp is a null stamp then the king must be equal as well.
      || (fModificationStamp.isFileStamp()
          && fModificationStamp.getValue() == IResource.NULL_STAMP
          && !currentStamp.isFileStamp())
      || (fModificationStamp.isDocumentStamp()
          && fModificationStamp.getValue() == IDocumentExtension4.UNKNOWN_MODIFICATION_STAMP
          && !currentStamp.isDocumentStamp())
      || (fModificationStamp.isFileStamp() && currentStamp.isFileStamp() && isDirty(fFile))) {
    result.addFatalError(
        Messages.format(
            RefactoringCoreMessages.TextChanges_error_content_changed,
            BasicElementLabels.getPathLabel(fFile.getFullPath(), false)));
  }
  return result;
}
项目：che    文件：ResourceChange.java    
public void checkModificationStamp(RefactoringStatus status, long stampToMatch) {
  if (fKind == DOCUMENT) {
    if (stampToMatch != IDocumentExtension4.UNKNOWN_MODIFICATION_STAMP
        && fModificationStamp != stampToMatch) {
      status.addFatalError(
          Messages.format(
              RefactoringCoreMessages.ResourceChange_error_has_been_modified,
              BasicElementLabels.getPathLabel(fResource.getFullPath(), false)));
    }
  } else {
    if (stampToMatch != IResource.NULL_STAMP && fModificationStamp != stampToMatch) {
      status.addFatalError(
          Messages.format(
              RefactoringCoreMessages.ResourceChange_error_has_been_modified,
              BasicElementLabels.getPathLabel(fResource.getFullPath(), false)));
    }
  }
}
项目：che    文件：ResourceChange.java    
private void initializeFile(IFile file) {
  fTextFileBuffer = getBuffer(file);
  if (fTextFileBuffer == null) {
    initializeResource(file);
  } else {
    IDocument document = fTextFileBuffer.getDocument();
    fDirty = fTextFileBuffer.isDirty();
    fReadOnly = Resources.isReadOnly(file);
    if (document instanceof IDocumentExtension4) {
      fKind = DOCUMENT;
      fModificationStamp = ((IDocumentExtension4) document).getModificationStamp();
    } else {
      fKind = RESOURCE;
      fModificationStamp = file.getModificationStamp();
    }
  }
}
项目：che    文件：TextChange.java    
/**
 * Executes the text edits on the given document. Subclasses that override this method should call
 * <code>super.performEdits(document)</code>.
 *
 * @param document the document
 * @return an object representing the undo of the executed edits
 * @exception MalformedTreeException is thrown if the edit tree isn't in a valid state. This
 *     exception is thrown before any edit is executed. So the document is still in its original
 *     state.
 * @exception BadLocationException is thrown if one of the edits in the tree can't be executed.
 *     The state of the document is undefined if this exception is thrown.
 * @since 3.5
 */
protected UndoEdit performEdits(IDocument document)
    throws BadLocationException, MalformedTreeException {
  DocumentRewriteSession session = null;
  try {
    if (document instanceof IDocumentExtension4) {
      session =
          ((IDocumentExtension4) document)
              .startRewriteSession(DocumentRewriteSessionType.UNRESTRICTED);
    }

    LinkedModeModel.closeAllModels(document);
    TextEditProcessor processor = createTextEditProcessor(document, TextEdit.CREATE_UNDO, false);
    return processor.performEdits();

  } finally {
    if (session != null) {
      ((IDocumentExtension4) document).stopRewriteSession(session);
    }
  }
}
项目：Eclipse-Postfix-Code-Completion    文件：CleanUpPostSaveListener.java    
private void performEdit(IDocument document, long oldFileValue, LinkedList<UndoEdit> editCollector, long[] oldDocValue, boolean[] setContentStampSuccess) throws MalformedTreeException, BadLocationException, CoreException {
    if (document instanceof IDocumentExtension4) {
        oldDocValue[0]= ((IDocumentExtension4)document).getModificationStamp();
    } else {
        oldDocValue[0]= oldFileValue;
    }

    // perform the changes
    for (int index= 0; index < fUndos.length; index++) {
        UndoEdit edit= fUndos[index];
        UndoEdit redo= edit.apply(document, TextEdit.CREATE_UNDO);
        editCollector.addFirst(redo);
    }

    if (document instanceof IDocumentExtension4 && fDocumentStamp != IDocumentExtension4.UNKNOWN_MODIFICATION_STAMP) {
        try {
            ((IDocumentExtension4)document).replace(0, 0, "", fDocumentStamp); //$NON-NLS-1$
            setContentStampSuccess[0]= true;
        } catch (BadLocationException e) {
            throw wrapBadLocationException(e);
        }
    }
}
项目：Eclipse-Postfix-Code-Completion    文件：CleanUpPostSaveListener.java    
private long getDocumentStamp(IFile file, IProgressMonitor monitor) throws CoreException {
 final ITextFileBufferManager manager= FileBuffers.getTextFileBufferManager();
 final IPath path= file.getFullPath();

 monitor.beginTask("", 2); //$NON-NLS-1$

 ITextFileBuffer buffer= null;
 try {
    manager.connect(path, LocationKind.IFILE, new SubProgressMonitor(monitor, 1));
  buffer= manager.getTextFileBuffer(path, LocationKind.IFILE);
        IDocument document= buffer.getDocument();

        if (document instanceof IDocumentExtension4) {
            return ((IDocumentExtension4)document).getModificationStamp();
        } else {
            return file.getModificationStamp();
        }
 } finally {
    if (buffer != null)
        manager.disconnect(path, LocationKind.IFILE, new SubProgressMonitor(monitor, 1));
    monitor.done();
 }
}
项目：Eclipse-Postfix-Code-Completion    文件：JavaEditor.java    
void removeOccurrenceAnnotations() {
    fMarkOccurrenceModificationStamp= IDocumentExtension4.UNKNOWN_MODIFICATION_STAMP;
    fMarkOccurrenceTargetRegion= null;

    IDocumentProvider documentProvider= getDocumentProvider();
    if (documentProvider == null)
        return;

    IAnnotationModel annotationModel= documentProvider.getAnnotationModel(getEditorInput());
    if (annotationModel == null || fOccurrenceAnnotations == null)
        return;

    synchronized (getLockObject(annotationModel)) {
        if (annotationModel instanceof IAnnotationModelExtension) {
            ((IAnnotationModelExtension)annotationModel).replaceAnnotations(fOccurrenceAnnotations, null);
        } else {
            for (int i= 0, length= fOccurrenceAnnotations.length; i < length; i++)
                annotationModel.removeAnnotation(fOccurrenceAnnotations[i]);
        }
        fOccurrenceAnnotations= null;
    }
}
项目：Eclipse-Postfix-Code-Completion-Juno38    文件：CleanUpPostSaveListener.java    
private void performEdit(IDocument document, long oldFileValue, LinkedList<UndoEdit> editCollector, long[] oldDocValue, boolean[] setContentStampSuccess) throws MalformedTreeException, BadLocationException, CoreException {
    if (document instanceof IDocumentExtension4) {
        oldDocValue[0]= ((IDocumentExtension4)document).getModificationStamp();
    } else {
        oldDocValue[0]= oldFileValue;
    }

    // perform the changes
    for (int index= 0; index < fUndos.length; index++) {
        UndoEdit edit= fUndos[index];
        UndoEdit redo= edit.apply(document, TextEdit.CREATE_UNDO);
        editCollector.addFirst(redo);
    }

    if (document instanceof IDocumentExtension4 && fDocumentStamp != IDocumentExtension4.UNKNOWN_MODIFICATION_STAMP) {
        try {
            ((IDocumentExtension4)document).replace(0, 0, "", fDocumentStamp); //$NON-NLS-1$
            setContentStampSuccess[0]= true;
        } catch (BadLocationException e) {
            throw wrapBadLocationException(e);
        }
    }
}
项目：Eclipse-Postfix-Code-Completion-Juno38    文件：CleanUpPostSaveListener.java    
private long getDocumentStamp(IFile file, IProgressMonitor monitor) throws CoreException {
 final ITextFileBufferManager manager= FileBuffers.getTextFileBufferManager();
 final IPath path= file.getFullPath();

 monitor.beginTask("", 2); //$NON-NLS-1$

 ITextFileBuffer buffer= null;
 try {
    manager.connect(path, LocationKind.IFILE, new SubProgressMonitor(monitor, 1));
  buffer= manager.getTextFileBuffer(path, LocationKind.IFILE);
        IDocument document= buffer.getDocument();

        if (document instanceof IDocumentExtension4) {
            return ((IDocumentExtension4)document).getModificationStamp();
        } else {
            return file.getModificationStamp();
        }
 } finally {
    if (buffer != null)
        manager.disconnect(path, LocationKind.IFILE, new SubProgressMonitor(monitor, 1));
    monitor.done();
 }
}
项目：Eclipse-Postfix-Code-Completion-Juno38    文件：JavaEditor.java    
void removeOccurrenceAnnotations() {
    fMarkOccurrenceModificationStamp= IDocumentExtension4.UNKNOWN_MODIFICATION_STAMP;
    fMarkOccurrenceTargetRegion= null;

    IDocumentProvider documentProvider= getDocumentProvider();
    if (documentProvider == null)
        return;

    IAnnotationModel annotationModel= documentProvider.getAnnotationModel(getEditorInput());
    if (annotationModel == null || fOccurrenceAnnotations == null)
        return;

    synchronized (getLockObject(annotationModel)) {
        if (annotationModel instanceof IAnnotationModelExtension) {
            ((IAnnotationModelExtension)annotationModel).replaceAnnotations(fOccurrenceAnnotations, null);
        } else {
            for (int i= 0, length= fOccurrenceAnnotations.length; i < length; i++)
                annotationModel.removeAnnotation(fOccurrenceAnnotations[i]);
        }
        fOccurrenceAnnotations= null;
    }
}
项目：Pydev    文件：DocCopy.java    
public DocCopy(IDocument document) {
    this.contents = document.get();
    this.document = document;
    categoryToPos = new HashMap<>();
    String[] positionCategories = document.getPositionCategories();
    for (String string : positionCategories) {
        try {
            categoryToPos.put(string, document.getPositions(string));
        } catch (BadPositionCategoryException e) {
            Log.log(e);
        }
    }

    IDocumentExtension4 doc4 = (IDocumentExtension4) document;
    modificationStamp = doc4.getModificationStamp();
}
项目：Pydev    文件：PyChange.java    
private void initializeFile(IFile file) {
    fTextFileBuffer = getBuffer(file);
    if (fTextFileBuffer == null) {
        initializeResource(file);
    } else {
        IDocument document = fTextFileBuffer.getDocument();
        fDirty = fTextFileBuffer.isDirty();
        fReadOnly = isReadOnly(file);
        if (document instanceof IDocumentExtension4) {
            fKind = DOCUMENT;
            fModificationStamp = ((IDocumentExtension4) document).getModificationStamp();
        } else {
            fKind = RESOURCE;
            fModificationStamp = file.getModificationStamp();
        }
    }

}
项目：Pydev    文件：PyChange.java    
public long getModificationStamp(IResource resource) {
    if (!(resource instanceof IFile)) {
        return resource.getModificationStamp();
    }
    IFile file = (IFile) resource;
    ITextFileBuffer buffer = getBuffer(file);
    if (buffer == null) {
        return file.getModificationStamp();
    } else {
        IDocument document = buffer.getDocument();
        if (document instanceof IDocumentExtension4) {
            return ((IDocumentExtension4) document).getModificationStamp();
        } else {
            return file.getModificationStamp();
        }
    }
}
项目：Pydev    文件：OrganizeImportsFixesUnused.java    
private void findAndDeleteUnusedImports(PySelection ps, PyEdit edit, IDocumentExtension4 doc, IFile f)
        throws Exception {
    Iterator<MarkerAnnotationAndPosition> it;
    if (edit != null) {
        it = edit.getPySourceViewer().getMarkerIterator();
    } else {

        IMarker markers[] = f.findMarkers(IMiscConstants.PYDEV_ANALYSIS_PROBLEM_MARKER, true, IResource.DEPTH_ZERO);
        MarkerAnnotationAndPosition maap[] = new MarkerAnnotationAndPosition[markers.length];
        int ix = 0;
        for (IMarker m : markers) {
            int start = (Integer) m.getAttribute(IMarker.CHAR_START);
            int end = (Integer) m.getAttribute(IMarker.CHAR_END);
            maap[ix++] =
                    new MarkerAnnotationAndPosition(new MarkerAnnotation(m), new Position(start, end - start));
        }
        it = Arrays.asList(maap).iterator();
    }
    ArrayList<MarkerAnnotationAndPosition> unusedImportsMarkers = getUnusedImports(it);
    sortInReverseDocumentOrder(unusedImportsMarkers);
    deleteImports(doc, ps, unusedImportsMarkers);

}
项目：ec4e    文件：InsertFinalNewLineMarkerResolution.java    
@Override
protected boolean run(IMarker marker, AbstractTextEditor editor, IDocument doc) {
    String delimiter = ((IDocumentExtension4) doc).getDefaultLineDelimiter();
    int offset = marker.getAttribute(IMarker.CHAR_END, -1);
    StyledText text = (StyledText) editor.getAdapter(Control.class);
    text.getDisplay().syncExec(() -> {
        MarkerUtils.applyEdits(doc, new ReplaceEdit(offset, 0, delimiter));
    });
    return true;
}
项目：bts    文件：XtextDocumentProvider.java    
public UnchangedElementListener(ElementInfo element) {
    this.element = element;
    if (element.fDocument instanceof IDocumentExtension4) {
        modificationStamp = ((IDocumentExtension4) element.fDocument).getModificationStamp();
    } else {
        modificationStamp = IDocumentExtension4.UNKNOWN_MODIFICATION_STAMP;
    }

}
项目：bts    文件：XtextReconcilerDebugger.java    
public void assertModelInSyncWithDocument(IDocument document, XtextResource resource, final ReconcilerReplaceRegion region) {
    if (document instanceof IDocumentExtension4 && resource != null) {
        long beforeGet = ((IDocumentExtension4) document).getModificationStamp();
        final String documentContent = document.get();
        long afterGet = ((IDocumentExtension4) document).getModificationStamp();
        if (beforeGet == afterGet && beforeGet == resource.getModificationStamp()) {
            IParseResult parseResult = resource.getParseResult();
            if (parseResult != null) {
                ICompositeNode rootNode = parseResult.getRootNode();
                final String resourceContent = rootNode.getText();
                if (!resourceContent.equals(documentContent)) {
                    new DisplayRunnable() {
                        @Override
                        protected void run() throws Exception {
                            LOG.error("XtextDocument and XtextResource have run out of sync:\n" 
                                            + DiffUtil.diff(documentContent, resourceContent));
                            LOG.error("Events: \n\t" + Joiner.on("\n\t").join(region.getDocumentEvents()));
                            LOG.error("ReplaceRegion: \n\t'" + region + "'" );
                            MessageDialog.openError(
                                    Display.getCurrent().getActiveShell(),
                                    "XtextReconcilerDebugger",
                                    "XtextDocument and XtextResource have run out of sync."
                                            + "\n\nSee log for details.");
                        }

                    }.syncExec();
                } else {
                    System.out.println("Model and document are in sync");
                }
            }
        }
    }
}
项目：bts    文件：EditorDocumentUndoChange.java    
protected UndoEdit performEdits(IDocument document) throws BadLocationException, MalformedTreeException {
    DocumentRewriteSession session= null;
    try {
        if (document instanceof IDocumentExtension4) {
            session= ((IDocumentExtension4)document).startRewriteSession(
                DocumentRewriteSessionType.UNRESTRICTED);
        }
        return undoEdit.apply(document);
    } finally {
        if (session != null) {
            ((IDocumentExtension4)document).stopRewriteSession(session);
        }
    }
}
项目：bts    文件：EditorDocumentChange.java    
@Override
public RefactoringStatus isValid(IProgressMonitor pm) throws CoreException {
    pm.beginTask("", 1);
    RefactoringStatus refactoringStatus = new RefactoringStatus();
    if(document instanceof IDocumentExtension4 
            && ((IDocumentExtension4) document).getModificationStamp() != modificationStamp)
        refactoringStatus.addFatalError("The content of the document has changed.");
    pm.worked(1);
    return refactoringStatus;
}
项目：che    文件：ContentStamps.java    
public static boolean set(IDocument document, ContentStamp s) throws CoreException {
  if (!(s instanceof ContentStampImpl)) return false;
  ContentStampImpl stamp = (ContentStampImpl) s;
  if (document instanceof IDocumentExtension4 && stamp.isDocumentStamp()) {
    try {
      ((IDocumentExtension4) document).replace(0, 0, "", stamp.getValue()); // $NON-NLS-1$
      return true;
    } catch (BadLocationException e) {
      throw Changes.asCoreException(e);
    }
  }
  return false;
}
项目：che    文件：BufferValidationState.java    
protected ModificationStamp getModificationStamp() {
  ITextFileBuffer buffer = getBuffer(fFile);
  if (buffer == null) {
    return ModificationStamp.createFile(fFile.getModificationStamp());
  } else {
    IDocument document = buffer.getDocument();
    if (document instanceof IDocumentExtension4) {
      return ModificationStamp.createDocument(
          ((IDocumentExtension4) document).getModificationStamp());
    } else {
      return ModificationStamp.createFile(fFile.getModificationStamp());
    }
  }
}
项目：che    文件：ResourceChange.java    
private long getModificationStamp(IResource resource) {
  if (!(resource instanceof IFile)) return resource.getModificationStamp();
  IFile file = (IFile) resource;
  ITextFileBuffer buffer = getBuffer(file);
  if (buffer == null) {
    return file.getModificationStamp();
  } else {
    IDocument document = buffer.getDocument();
    if (document instanceof IDocumentExtension4) {
      return ((IDocumentExtension4) document).getModificationStamp();
    } else {
      return file.getModificationStamp();
    }
  }
}
项目：che    文件：MultiStateTextFileChange.java    
private void performChangesInSynchronizationContext(
    final IDocument document, final LinkedList undoList, final boolean preview)
    throws BadLocationException {
  DocumentRewriteSession session = null;
  try {
    if (document instanceof IDocumentExtension4)
      session =
          ((IDocumentExtension4) document)
              .startRewriteSession(DocumentRewriteSessionType.UNRESTRICTED);

    for (final Iterator iterator = fChanges.iterator(); iterator.hasNext(); ) {
      final ComposableBufferChange change = (ComposableBufferChange) iterator.next();

      final UndoEdit edit =
          createTextEditProcessor(
                  change,
                  document,
                  undoList != null ? TextEdit.CREATE_UNDO : TextEdit.NONE,
                  preview)
              .performEdits();
      if (undoList != null) undoList.addFirst(edit);
    }

  } finally {
    if (session != null) ((IDocumentExtension4) document).stopRewriteSession(session);
  }
}
项目：APICloud-Studio    文件：AbstractThemeableEditor.java    
@Override
protected void doSetInput(IEditorInput input) throws CoreException
{
    synchronized (modificationStampLock)
    {
        // Reset our cache when a new input is set.
        lastModificationStamp = IDocumentExtension4.UNKNOWN_MODIFICATION_STAMP;
        lastAstForModificationStamp = null;

    }
    super.doSetInput(input);
}
项目：APICloud-Studio    文件：AbstractThemeableEditor.java    
public ParseResult getParseResult()
{
    try
    {
        IDocument document = getDocument();
        if (document == null)
        {
            return null;
        }
        long modificationStamp = IDocumentExtension4.UNKNOWN_MODIFICATION_STAMP;
        if (document instanceof IDocumentExtension4)
        {
            synchronized (modificationStampLock)
            {
                IDocumentExtension4 iDocumentExtension = (IDocumentExtension4) document;
                modificationStamp = iDocumentExtension.getModificationStamp();
                if (modificationStamp != IDocumentExtension4.UNKNOWN_MODIFICATION_STAMP
                        && modificationStamp == lastModificationStamp)
                {
                    return lastAstForModificationStamp;
                }
            }
        }
        // Don't synchronize the actual parse!
        ParseResult ast = doGetAST(document);

        synchronized (modificationStampLock)
        {
            lastAstForModificationStamp = ast;
            lastModificationStamp = modificationStamp;
            return lastAstForModificationStamp;
        }
    }
    catch (Throwable e)
    {
        IdeLog.logTrace(CommonEditorPlugin.getDefault(), e.getMessage(), e, IDebugScopes.AST);
    }
    return null;
}
项目：OpsDev    文件：AddPostBodyWizard.java    
public String getDefaultLineDelimiter(IDocument document) {

    if (document instanceof IDocumentExtension4)
        return ((IDocumentExtension4)document).getDefaultLineDelimiter();

    String lineDelimiter= null;
    try {
        lineDelimiter= document.getLineDelimiter(0);
    } catch (BadLocationException x) {
        x.printStackTrace();
    }

    if (lineDelimiter != null)
        return lineDelimiter;

    String sysLineDelimiter= System.getProperty("line.separator");
    String[] delimiters= document.getLegalLineDelimiters();
    Assert.isTrue(delimiters.length > 0);
    for (int i= 0; i < delimiters.length; i++) {
        if (delimiters[i].equals(sysLineDelimiter)) {
            lineDelimiter= sysLineDelimiter;
            break;
        }
    }

    if (lineDelimiter == null)
        lineDelimiter= delimiters[0];

    return lineDelimiter;
}
项目：e4macs    文件：WithMinibuffer.java    
protected final String getEol() {
    IDocument document = getDocument();
    if (eol == null) {
        try {
            if (document instanceof IDocumentExtension4) {
                eol = ((IDocumentExtension4)document).getDefaultLineDelimiter();
            } else {
                eol = document.getLineDelimiter(0);
            }

        } catch (BadLocationException e) {
        }
    }
    return eol;
}
项目：e4macs    文件：MinibufferImpl.java    
private void setEolChars(IDocument document) {
    try {
        if (document instanceof IDocumentExtension4) {
            eol = ((IDocumentExtension4)document).getDefaultLineDelimiter();
        } else {
             eol = document.getLineDelimiter(0);
        }
        int eolLen = eol.length();
        eolcp = new int[eolLen];
        for (int i=0; i<eolLen; i++) {
            eolcp[i] = eol.codePointAt(i);
        }
    } catch (BadLocationException e) {
    }
}
项目：e4macs    文件：EmacsPlusUtils.java    
public static final String getEol(IDocument document) {
    String eol = "\n";  //$NON-NLS-1$
    try {
        if (document instanceof IDocumentExtension4) {
            eol = ((IDocumentExtension4)document).getDefaultLineDelimiter();
        } else {
            eol = document.getLineDelimiter(0);
        }

    } catch (BadLocationException e) {
    }
    return eol;
}
项目：Pydev    文件：MarkEditorOnSave.java    
@Override
public void onSave(BaseEditor edit, IProgressMonitor monitor) {
    IEditorInput editorInput = edit.getEditorInput();
    if (editorInput != null) {
        IFile file = editorInput.getAdapter(IFile.class);
        if (file != null) {
            IDocument document = edit.getDocument();
            if (document != null) {
                fileToSavedTime.put(file, new Tuple3<Long, Long, WeakReference<IDocument>>(
                        ((IDocumentExtension4) document).getModificationStamp(), file.getModificationStamp(),
                        new WeakReference<>(document)));
            }
        }
    }
}
项目：Pydev    文件：MarkEditorOnSave.java    
public static boolean hasDocumentChanged(IResource resource, IDocument document) {
    Tuple3<Long, Long, WeakReference<IDocument>> tuple = fileToSavedTime.get(resource);
    if (tuple == null) {
        return false;
    }
    IDocument cachedDoc = tuple.o3.get();
    if (cachedDoc == document) {
        if (((IDocumentExtension4) document).getModificationStamp() == tuple.o1) {
            return false;
        }
        return true;
    }
    return false;
}
项目：Pydev    文件：ScopeSelectionAction.java    
private static String getCurrentSelectionCacheKey(BaseEditor pyEdit) {
    IDocument doc = pyEdit.getDocument();

    int length = doc.getLength();
    String key = Integer.toString(length);
    if (doc instanceof IDocumentExtension4) {
        IDocumentExtension4 document = (IDocumentExtension4) doc;
        long modificationStamp = document.getModificationStamp();
        key += " - " + modificationStamp;
    }
    return key;
}
项目：Pydev    文件：TextSelectionUtils.java    
/**
 * Stop a rewrite session
 */
public static void endWrite(IDocument doc, DocumentRewriteSession session) {
    if (doc instanceof IDocumentExtension4 && session != null) {
        IDocumentExtension4 d = (IDocumentExtension4) doc;
        d.stopRewriteSession(session);
    }
}
项目：Pydev    文件：TextSelectionUtils.java    
/**
 * Starts a rewrite session (keep things in a single undo/redo)
 */
public static DocumentRewriteSession startWrite(IDocument doc) {
    if (doc instanceof IDocumentExtension4) {
        IDocumentExtension4 d = (IDocumentExtension4) doc;
        return d.startRewriteSession(DocumentRewriteSessionType.UNRESTRICTED);
    }
    return null;
}
项目：Pydev    文件：PyChange.java    
public void checkModificationStamp(RefactoringStatus status, long stampToMatch) {
    if (fKind == DOCUMENT) {
        if (stampToMatch != IDocumentExtension4.UNKNOWN_MODIFICATION_STAMP
                && fModificationStamp != stampToMatch) {
            status.addFatalError(StringUtils.format("Resource %s has modifications", fResource.getFullPath()));
        }
    } else {
        if (stampToMatch != IResource.NULL_STAMP && fModificationStamp != stampToMatch) {
            status.addFatalError(StringUtils.format("Resource %s has modifications", fResource.getFullPath()));

        }
    }
}