| /******************************************************************************* |
| * Copyright (c) 2009, 2012 xored software, Inc., NumberFour AG |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * xored software, Inc. - initial API and Implementation (Vladimir Belov) |
| * NumberFour AG - new option to control space before parens of anonymous function (Alex Panchenko) |
| *******************************************************************************/ |
| package org.eclipse.dltk.javascript.formatter.internal.nodes; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.dltk.formatter.IFormatterContext; |
| import org.eclipse.dltk.formatter.IFormatterDocument; |
| import org.eclipse.dltk.formatter.IFormatterNode; |
| import org.eclipse.dltk.formatter.IFormatterWriter; |
| |
| public class ParensNode extends FormatterBlockWithBeginEndNode { |
| |
| private final IParensConfiguration configuration; |
| private final boolean indenting; |
| private final boolean insertSpaceBefore; |
| |
| public ParensNode(IFormatterDocument document, |
| IParensConfiguration configuration) { |
| this(document, configuration, false, false); |
| } |
| |
| public ParensNode(IFormatterDocument document, |
| IParensConfiguration configuration, boolean indenting) { |
| this(document, configuration, indenting, false); |
| } |
| |
| public ParensNode(IFormatterDocument document, |
| IParensConfiguration configuration, boolean indenting, |
| boolean insertSpaceBefore) { |
| super(document); |
| Assert.isNotNull(configuration); |
| this.configuration = configuration; |
| this.indenting = indenting; |
| this.insertSpaceBefore = insertSpaceBefore; |
| } |
| |
| @Override |
| protected boolean isIndenting() { |
| return indenting; |
| } |
| |
| @Override |
| public void accept(IFormatterContext context, IFormatterWriter visitor) |
| throws Exception { |
| |
| writeSpace(context, visitor, configuration.getSpaceBeforeLeftParen() |
| || insertSpaceBefore); |
| if (getBegin() != null) { |
| IFormatterNode[] nodes = getBegin(); |
| for (int i = 0; i < nodes.length; i++) { |
| nodes[i].accept(context, visitor); |
| } |
| } |
| writeSpace(context, visitor, configuration.getSpaceAfterLeftParen()); |
| |
| final boolean indenting = isIndenting(); |
| if (indenting) { |
| context.incIndent(); |
| } |
| acceptBody(context, visitor); |
| if (indenting) { |
| context.decIndent(); |
| } |
| |
| writeSpace(context, visitor, configuration.getSpaceBeforeRightParen()); |
| if (getEnd() != null) { |
| visitor.write(context, getEnd().getStartOffset(), getEnd() |
| .getEndOffset()); |
| } |
| } |
| |
| private void writeSpace(IFormatterContext context, |
| IFormatterWriter visitor, boolean flag) throws Exception { |
| visitor.writeText(context, flag ? JSLiterals.SPACE : JSLiterals.EMPTY); |
| } |
| } |