Java ReplaceEdit类代码示例

import org.eclipse.text.edits.ReplaceEdit; //导入依赖的package包/类
/**
 * This method makes sure that no changes are applied (no dirty state), if there are no changes. This fixes bug
 * GHOLD-272
 */
@Override
public void format(IDocument document, IRegion region) {
	IXtextDocument doc = (IXtextDocument) document;
	TextEdit e = doc.priorityReadOnly(new FormattingUnitOfWork(doc, region));

	if (e == null)
		return;
	if (e instanceof ReplaceEdit) {
		ReplaceEdit r = (ReplaceEdit) e;
		if ((r.getOffset() == 0) && (r.getLength() == 0) && (r.getText().isEmpty())) {
			return;
		}
	}
	try {
		e.apply(document);
	} catch (BadLocationException ex) {
		throw new RuntimeException(ex);
	}

}
 

import org.eclipse.text.edits.ReplaceEdit; //导入依赖的package包/类
@SuppressWarnings({ "unused", "deprecation" })
private AliasLocation enhanceExistingImportDeclaration(ImportDeclaration importDeclaration,
		QualifiedName qualifiedName,
		String optionalAlias, MultiTextEdit result) {

	addImportSpecifier(importDeclaration, qualifiedName, optionalAlias);
	ICompositeNode replaceMe = NodeModelUtils.getNode(importDeclaration);
	int offset = replaceMe.getOffset();
	AliasLocationAwareBuffer observableBuffer = new AliasLocationAwareBuffer(
			optionalAlias,
			offset,
			grammarAccess);

	try {
		serializer.serialize(
				importDeclaration,
				observableBuffer,
				SaveOptions.newBuilder().noValidation().getOptions());
	} catch (IOException e) {
		throw new RuntimeException("Should never happen since we write into memory", e);
	}
	result.addChild(new ReplaceEdit(offset, replaceMe.getLength(), observableBuffer.toString()));
	return observableBuffer.getAliasLocation();
}
 

import org.eclipse.text.edits.ReplaceEdit; //导入依赖的package包/类
@Override
protected void addEdits(IDocument doc, TextEdit root) throws CoreException {
	super.addEdits(doc, root);

	// build a full AST
	CompilationUnit unit = SharedASTProvider.getInstance().getAST(getCompilationUnit(), null);

	ASTNode name= NodeFinder.perform(unit, fOffset, fLength);
	if (name instanceof SimpleName) {

		SimpleName[] names= LinkedNodeFinder.findByProblems(unit, (SimpleName) name);
		if (names != null) {
			for (int i= 0; i < names.length; i++) {
				SimpleName curr= names[i];
				root.addChild(new ReplaceEdit(curr.getStartPosition(), curr.getLength(), fNewName));
			}
			return;
		}
	}
	root.addChild(new ReplaceEdit(fOffset, fLength, fNewName));
}
 

import org.eclipse.text.edits.ReplaceEdit; //导入依赖的package包/类
@Override
protected void addEdits(IDocument doc, TextEdit root) throws CoreException {
	super.addEdits(doc, root);

	ICompilationUnit cu= getCompilationUnit();

	IPackageFragment parentPack= (IPackageFragment) cu.getParent();
	IPackageDeclaration[] decls= cu.getPackageDeclarations();

	if (parentPack.isDefaultPackage() && decls.length > 0) {
		for (int i= 0; i < decls.length; i++) {
			ISourceRange range= decls[i].getSourceRange();
			root.addChild(new DeleteEdit(range.getOffset(), range.getLength()));
		}
		return;
	}
	if (!parentPack.isDefaultPackage() && decls.length == 0) {
		String lineDelim = "\n";
		String str= "package " + parentPack.getElementName() + ';' + lineDelim + lineDelim; //$NON-NLS-1$
		root.addChild(new InsertEdit(0, str));
		return;
	}

	root.addChild(new ReplaceEdit(fLocation.getOffset(), fLocation.getLength(), parentPack.getElementName()));
}
 

import org.eclipse.text.edits.ReplaceEdit; //导入依赖的package包/类
private static void toTextEdit(CodeEdit codeEdit, IDocument document, MultiTextEdit textEdit)
		throws TypeScriptException {
	String newText = codeEdit.getNewText();
	int startLine = codeEdit.getStart().getLine();
	int startOffset = codeEdit.getStart().getOffset();
	int endLine = codeEdit.getEnd().getLine();
	int endOffset = codeEdit.getEnd().getOffset();
	int start = DocumentUtils.getPosition(document, startLine, startOffset);
	int end = DocumentUtils.getPosition(document, endLine, endOffset);
	int length = end - start;
	if (newText.isEmpty()) {
		if (length > 0) {
			textEdit.addChild(new DeleteEdit(start, length));
		}
	} else {
		if (length > 0) {
			textEdit.addChild(new ReplaceEdit(start, length, newText));
		} else if (length == 0) {
			textEdit.addChild(new InsertEdit(start, newText));
		}
	}
}
 

import org.eclipse.text.edits.ReplaceEdit; //导入依赖的package包/类
protected List<TextEdit> getObjectEdits() {
	final Collection<EObject> modifiedObjects = getModifiedObjects();
	Collection<EObject> topLevelObjects = EcoreUtil.filterDescendants(modifiedObjects);
	Iterable<EObject> containedModifiedObjects = Iterables.filter(topLevelObjects, new Predicate<EObject>() {
		public boolean apply(EObject input) {
			return input.eResource() == resource;
		}
	});
	List<TextEdit> edits = Lists.newArrayListWithExpectedSize(Iterables.size(containedModifiedObjects));
	for (EObject modifiedObject : containedModifiedObjects) {
		ReplaceRegion replaceRegion = serializer.serializeReplacement(modifiedObject, getSaveOptions());
		TextEdit edit = new ReplaceEdit(replaceRegion.getOffset(), replaceRegion.getLength(), replaceRegion.getText());
		edits.add(edit);
	}
	return edits;
}
 

import org.eclipse.text.edits.ReplaceEdit; //导入依赖的package包/类
private void addReferenceUpdates(TextChangeManager manager, IProgressMonitor pm) {
  SearchResultGroup[] grouped = getOccurrences();
  for (int i = 0; i < grouped.length; i++) {
    SearchResultGroup group = grouped[i];
    SearchMatch[] results = group.getSearchResults();
    ICompilationUnit cu = group.getCompilationUnit();
    TextChange change = manager.get(cu);
    for (int j = 0; j < results.length; j++) {
      SearchMatch match = results[j];
      if (!(match instanceof MethodDeclarationMatch)) {
        ReplaceEdit replaceEdit = createReplaceEdit(match, cu);
        String editName = RefactoringCoreMessages.RenamePrivateMethodRefactoring_update;
        addTextEdit(change, editName, replaceEdit);
      }
    }
  }
  pm.done();
}
 

import org.eclipse.text.edits.ReplaceEdit; //导入依赖的package包/类
protected final ReplaceEdit createReplaceEdit(SearchMatch searchResult, ICompilationUnit cu) {
  if (searchResult.isImplicit()) { // handle Annotation Element references, see bug 94062
    StringBuffer sb = new StringBuffer(getNewElementName());
    if (JavaCore.INSERT.equals(
        cu.getJavaProject()
            .getOption(
                DefaultCodeFormatterConstants.FORMATTER_INSERT_SPACE_BEFORE_ASSIGNMENT_OPERATOR,
                true))) sb.append(' ');
    sb.append('=');
    if (JavaCore.INSERT.equals(
        cu.getJavaProject()
            .getOption(
                DefaultCodeFormatterConstants.FORMATTER_INSERT_SPACE_AFTER_ASSIGNMENT_OPERATOR,
                true))) sb.append(' ');
    return new ReplaceEdit(searchResult.getOffset(), 0, sb.toString());
  } else {
    return new ReplaceEdit(
        searchResult.getOffset(), searchResult.getLength(), getNewElementName());
  }
}
 

import org.eclipse.text.edits.ReplaceEdit; //导入依赖的package包/类
private void addConstructorRenames(TextChangeManager manager) throws CoreException {
  ICompilationUnit cu = fType.getCompilationUnit();
  IMethod[] methods = fType.getMethods();
  int typeNameLength = fType.getElementName().length();
  for (int i = 0; i < methods.length; i++) {
    if (methods[i].isConstructor()) {
      /*
       * constructor declarations cannot be fully qualified so we can use simple replace here
       *
       * if (methods[i].getNameRange() == null), then it's a binary file so it's wrong anyway
       * (checked as a precondition)
       */
      String name = RefactoringCoreMessages.RenameTypeRefactoring_rename_constructor;
      TextChangeCompatibility.addTextEdit(
          manager.get(cu),
          name,
          new ReplaceEdit(
              methods[i].getNameRange().getOffset(), typeNameLength, getNewElementName()));
    }
  }
}
 

import org.eclipse.text.edits.ReplaceEdit; //导入依赖的package包/类
private void addReferenceUpdates(TextChangeManager manager, IProgressMonitor pm) {
  pm.beginTask("", fReferences.length); // $NON-NLS-1$
  for (int i = 0; i < fReferences.length; i++) {
    ICompilationUnit cu = fReferences[i].getCompilationUnit();
    if (cu == null) continue;

    String name = RefactoringCoreMessages.RenameTypeRefactoring_update_reference;
    SearchMatch[] results = fReferences[i].getSearchResults();

    for (int j = 0; j < results.length; j++) {
      SearchMatch match = results[j];
      ReplaceEdit replaceEdit =
          new ReplaceEdit(match.getOffset(), match.getLength(), getNewElementName());
      TextChangeCompatibility.addTextEdit(
          manager.get(cu), name, replaceEdit, CATEGORY_TYPE_RENAME);
    }
    pm.worked(1);
  }
}
 

import org.eclipse.text.edits.ReplaceEdit; //导入依赖的package包/类
@Override
protected void addEdits(IDocument doc, TextEdit root) throws CoreException {
  super.addEdits(doc, root);

  // build a full AST
  CompilationUnit unit =
      SharedASTProvider.getAST(getCompilationUnit(), SharedASTProvider.WAIT_YES, null);

  ASTNode name = NodeFinder.perform(unit, fOffset, fLength);
  if (name instanceof SimpleName) {

    SimpleName[] names = LinkedNodeFinder.findByProblems(unit, (SimpleName) name);
    if (names != null) {
      for (int i = 0; i < names.length; i++) {
        SimpleName curr = names[i];
        root.addChild(new ReplaceEdit(curr.getStartPosition(), curr.getLength(), fNewName));
      }
      return;
    }
  }
  root.addChild(new ReplaceEdit(fOffset, fLength, fNewName));
}
 

import org.eclipse.text.edits.ReplaceEdit; //导入依赖的package包/类
@Override
protected void addEdits(IDocument document, TextEdit rootEdit) throws CoreException {
  super.addEdits(document, rootEdit);

  try {
    Position pos = getUpdatedPosition(document);
    if (pos != null) {
      rootEdit.addChild(new ReplaceEdit(pos.getOffset(), pos.getLength(), "")); // $NON-NLS-1$
    } else {
      rootEdit.addChild(
          new ReplaceEdit(fLocation.getOffset(), fLocation.getLength(), "")); // $NON-NLS-1$
    }
  } catch (BadLocationException e) {
    throw new CoreException(JavaUIStatus.createError(IStatus.ERROR, e));
  }
}
 

import org.eclipse.text.edits.ReplaceEdit; //导入依赖的package包/类
public void testPerform() throws CoreException {
  // Create a dummy change for updating references in RefactorTest.java
  // to the class R to its new name 'RRR'
  ICompilationUnit cu = refactorTestClass.getCompilationUnit();
  GWTRefactoringSupport support = new DummyRefactoringSupport();
  JsniReferenceChangeFactory factory = new JsniReferenceChangeFactory(support);
  IJsniReferenceChange jsniChange = factory.createChange(cu);

  // Add one dummy edit to the change
  TextEdit oldRootEdit = new MultiTextEdit();
  oldRootEdit.addChild(new ReplaceEdit(252, 0, ""));
  ((TextFileChange)jsniChange).setEdit(oldRootEdit);

  // Perform the change (this should replace the original edits with new ones
  // with the correct offsets).
  ((TextFileChange)jsniChange).perform(new NullProgressMonitor());

  // Verify that the change still has one edit
  TextEdit newRootEdit = ((TextFileChange)jsniChange).getEdit();
  assertEquals(1, newRootEdit.getChildrenSize());
}
 

import org.eclipse.text.edits.ReplaceEdit; //导入依赖的package包/类
public void testCreateEdit() {
  GWTTypeRefactoringSupport support = new GWTTypeRefactoringSupport();

  // Change the name of the R class to RRR
  IType oldType = rClass.getCompilationUnit().getType("R");
  support.setOldElement(oldType);
  IType newType = rClass.getCompilationUnit().getType("RRR");
  support.setNewElement(newType);

  String rawRef = "@com.hello.client.R.B::getNumber()";
  IIndexedJavaRef ref = new IndexedJsniJavaRef(JsniJavaRef.parse(rawRef));

  ReplaceEdit edit = (ReplaceEdit) support.createEdit(ref);
  assertEquals(1, edit.getOffset());
  assertEquals(18, edit.getLength());
  assertEquals("com.hello.client.RRR", edit.getText());
}
 

import org.eclipse.text.edits.ReplaceEdit; //导入依赖的package包/类
public void testCreateEditForInnerClass() {
  GWTTypeRefactoringSupport support = new GWTTypeRefactoringSupport();

  // Change the name of the inner class B to BBB
  IType r = rClass.getCompilationUnit().getType("R");
  IType oldType = r.getType("B");
  support.setOldElement(oldType);
  IType newType = r.getType("BBB");
  support.setNewElement(newType);

  String rawRef = "@com.hello.client.R.B::getNumber()";
  IIndexedJavaRef ref = new IndexedJsniJavaRef(JsniJavaRef.parse(rawRef));

  ReplaceEdit edit = (ReplaceEdit) support.createEdit(ref);
  assertEquals(1, edit.getOffset());
  assertEquals(20, edit.getLength());
  assertEquals("com.hello.client.R.BBB", edit.getText());
}