Java Code Examples for org.eclipse.jdt.core.ICompilationUnit#findRecommendedLineSeparator()

The following examples show how to use org.eclipse.jdt.core.ICompilationUnit#findRecommendedLineSeparator() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: CreateTypeMemberOperation.java From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0

6 votes

private String removeIndentAndNewLines(String code, ICompilationUnit cu) throws JavaModelException {
	IJavaProject project = cu.getJavaProject();
	Map options = project.getOptions(true/*inherit JavaCore options*/);
	int tabWidth = IndentManipulation.getTabWidth(options);
	int indentWidth = IndentManipulation.getIndentWidth(options);
	int indent = IndentManipulation.measureIndentUnits(code, tabWidth, indentWidth);
	int firstNonWhiteSpace = -1;
	int length = code.length();
	while (firstNonWhiteSpace < length-1)
		if (!ScannerHelper.isWhitespace(code.charAt(++firstNonWhiteSpace)))
			break;
	int lastNonWhiteSpace = length;
	while (lastNonWhiteSpace > 0)
		if (!ScannerHelper.isWhitespace(code.charAt(--lastNonWhiteSpace)))
			break;
	String lineDelimiter = cu.findRecommendedLineSeparator();
	return IndentManipulation.changeIndent(code.substring(firstNonWhiteSpace, lastNonWhiteSpace+1), indent, tabWidth, indentWidth, "", lineDelimiter); //$NON-NLS-1$
}

Example 2

Source File: ModifierChangeCorrectionProposal.java From eclipse.jdt.ls with Eclipse Public License 2.0

4 votes

@Override
protected ASTRewrite getRewrite() throws CoreException {
	CompilationUnit astRoot = ASTResolving.findParentCompilationUnit(fNode);
	ASTNode boundNode = astRoot.findDeclaringNode(fBinding);
	ASTNode declNode = null;

	if (boundNode != null) {
		declNode = boundNode; // is same CU
	} else {
		//setSelectionDescription(selectionDescription);
		CompilationUnit newRoot = ASTResolving.createQuickFixAST(getCompilationUnit(), null);
		declNode = newRoot.findDeclaringNode(fBinding.getKey());
	}
	if (declNode != null) {
		AST ast = declNode.getAST();
		ASTRewrite rewrite = ASTRewrite.create(ast);

		if (declNode.getNodeType() == ASTNode.VARIABLE_DECLARATION_FRAGMENT) {
			VariableDeclarationFragment fragment = (VariableDeclarationFragment) declNode;
			ASTNode parent = declNode.getParent();
			if (parent instanceof FieldDeclaration) {
				FieldDeclaration fieldDecl = (FieldDeclaration) parent;
				if (fieldDecl.fragments().size() > 1 && (fieldDecl.getParent() instanceof AbstractTypeDeclaration)) { // split
					VariableDeclarationRewrite.rewriteModifiers(fieldDecl, new VariableDeclarationFragment[] { fragment }, fIncludedModifiers, fExcludedModifiers, rewrite, null);
					return rewrite;
				}
			} else if (parent instanceof VariableDeclarationStatement) {
				VariableDeclarationStatement varDecl = (VariableDeclarationStatement) parent;
				if (varDecl.fragments().size() > 1 && (varDecl.getParent() instanceof Block)) { // split
					VariableDeclarationRewrite.rewriteModifiers(varDecl, new VariableDeclarationFragment[] { fragment }, fIncludedModifiers, fExcludedModifiers, rewrite, null);
					return rewrite;
				}
			} else if (parent instanceof VariableDeclarationExpression) {
				// can't separate
			}
			declNode = parent;
		} else if (declNode.getNodeType() == ASTNode.METHOD_DECLARATION) {
			MethodDeclaration methodDecl = (MethodDeclaration) declNode;
			if (!methodDecl.isConstructor()) {
				IMethodBinding methodBinding = methodDecl.resolveBinding();
				if (methodDecl.getBody() == null && methodBinding != null && Modifier.isAbstract(methodBinding.getModifiers()) && Modifier.isStatic(fIncludedModifiers)) {
					// add body
					ICompilationUnit unit = getCompilationUnit();
					String delimiter = unit.findRecommendedLineSeparator();
					String bodyStatement = ""; //$NON-NLS-1$

					Block body = ast.newBlock();
					rewrite.set(methodDecl, MethodDeclaration.BODY_PROPERTY, body, null);
					Type returnType = methodDecl.getReturnType2();
					if (returnType != null) {
						Expression expression = ASTNodeFactory.newDefaultExpression(ast, returnType, methodDecl.getExtraDimensions());
						if (expression != null) {
							ReturnStatement returnStatement = ast.newReturnStatement();
							returnStatement.setExpression(expression);
							bodyStatement = ASTNodes.asFormattedString(returnStatement, 0, delimiter, unit.getJavaProject().getOptions(true));
						}
					}
					String placeHolder = CodeGeneration.getMethodBodyContent(unit, methodBinding.getDeclaringClass().getName(), methodBinding.getName(), false, bodyStatement, delimiter);
					if (placeHolder != null) {
						ReturnStatement todoNode = (ReturnStatement) rewrite.createStringPlaceholder(placeHolder, ASTNode.RETURN_STATEMENT);
						body.statements().add(todoNode);
					}
				}
			}
		}
		ModifierRewrite listRewrite = ModifierRewrite.create(rewrite, declNode);
		PositionInformation trackedDeclNode = listRewrite.setModifiers(fIncludedModifiers, fExcludedModifiers, null);

		LinkedProposalPositionGroupCore positionGroup = new LinkedProposalPositionGroupCore("group"); //$NON-NLS-1$
		positionGroup.addPosition(trackedDeclNode);
		getLinkedProposalModel().addPositionGroup(positionGroup);

		if (boundNode != null) {
			// only set end position if in same CU
			setEndPosition(rewrite.track(fNode));
		}
		return rewrite;
	}
	return null;
}

Example 3

Source File: ModifierChangeCorrectionProposal.java From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0

4 votes

@Override
protected ASTRewrite getRewrite() throws CoreException {
	CompilationUnit astRoot= ASTResolving.findParentCompilationUnit(fNode);
	ASTNode boundNode= astRoot.findDeclaringNode(fBinding);
	ASTNode declNode= null;

	if (boundNode != null) {
		declNode= boundNode; // is same CU
	} else {
		//setSelectionDescription(selectionDescription);
		CompilationUnit newRoot= ASTResolving.createQuickFixAST(getCompilationUnit(), null);
		declNode= newRoot.findDeclaringNode(fBinding.getKey());
	}
	if (declNode != null) {
		AST ast= declNode.getAST();
		ASTRewrite rewrite= ASTRewrite.create(ast);

		if (declNode.getNodeType() == ASTNode.VARIABLE_DECLARATION_FRAGMENT) {
			VariableDeclarationFragment fragment= (VariableDeclarationFragment)declNode;
			ASTNode parent= declNode.getParent();
			if (parent instanceof FieldDeclaration) {
				FieldDeclaration fieldDecl= (FieldDeclaration) parent;
				if (fieldDecl.fragments().size() > 1 && (fieldDecl.getParent() instanceof AbstractTypeDeclaration)) { // split
					VariableDeclarationRewrite.rewriteModifiers(fieldDecl, new VariableDeclarationFragment[] {fragment}, fIncludedModifiers, fExcludedModifiers, rewrite, null);
					return rewrite;
				}
			} else if (parent instanceof VariableDeclarationStatement) {
				VariableDeclarationStatement varDecl= (VariableDeclarationStatement) parent;
				if (varDecl.fragments().size() > 1 && (varDecl.getParent() instanceof Block)) { // split
					VariableDeclarationRewrite.rewriteModifiers(varDecl, new VariableDeclarationFragment[] {fragment}, fIncludedModifiers, fExcludedModifiers, rewrite, null);
					return rewrite;
				}
			} else if (parent instanceof VariableDeclarationExpression) {
				// can't separate
			}
			declNode= parent;
		} else if (declNode.getNodeType() == ASTNode.METHOD_DECLARATION) {
			MethodDeclaration methodDecl= (MethodDeclaration) declNode;
			if (!methodDecl.isConstructor()) {
				IMethodBinding methodBinding= methodDecl.resolveBinding();
				if (methodDecl.getBody() == null && methodBinding != null && Modifier.isAbstract(methodBinding.getModifiers()) && Modifier.isStatic(fIncludedModifiers)) {
					// add body
					ICompilationUnit unit= getCompilationUnit();
					String delimiter= unit.findRecommendedLineSeparator();
					String bodyStatement= ""; //$NON-NLS-1$
					
					Block body= ast.newBlock();
					rewrite.set(methodDecl, MethodDeclaration.BODY_PROPERTY, body, null);
					Type returnType= methodDecl.getReturnType2();
					if (returnType != null) {
						Expression expression= ASTNodeFactory.newDefaultExpression(ast, returnType, methodDecl.getExtraDimensions());
						if (expression != null) {
							ReturnStatement returnStatement= ast.newReturnStatement();
							returnStatement.setExpression(expression);
							bodyStatement= ASTNodes.asFormattedString(returnStatement, 0, delimiter, unit.getJavaProject().getOptions(true));
						}
					}
					String placeHolder= CodeGeneration.getMethodBodyContent(unit, methodBinding.getDeclaringClass().getName(), methodBinding.getName(), false, bodyStatement, delimiter);
					if (placeHolder != null) {
						ReturnStatement todoNode= (ReturnStatement) rewrite.createStringPlaceholder(placeHolder, ASTNode.RETURN_STATEMENT);
						body.statements().add(todoNode);
					}
				}
			}
		}
		ModifierRewrite listRewrite= ModifierRewrite.create(rewrite, declNode);
		PositionInformation trackedDeclNode= listRewrite.setModifiers(fIncludedModifiers, fExcludedModifiers, null);
		
		LinkedProposalPositionGroup positionGroup= new LinkedProposalPositionGroup("group"); //$NON-NLS-1$
		positionGroup.addPosition(trackedDeclNode);
		getLinkedProposalModel().addPositionGroup(positionGroup);
		
		if (boundNode != null) {
			// only set end position if in same CU
			setEndPosition(rewrite.track(fNode));
		}
		return rewrite;
	}
	return null;
}