| /******************************************************************************* |
| * Copyright (c) 2016 Red Hat, Inc. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Red Hat Inc. - initial API and implementation and/or initial documentation |
| *******************************************************************************/ |
| package org.eclipse.wst.jsdt.js.grunt.util; |
| |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.wst.jsdt.core.dom.Expression; |
| import org.eclipse.wst.jsdt.core.dom.FunctionInvocation; |
| import org.eclipse.wst.jsdt.core.dom.ObjectLiteral; |
| import org.eclipse.wst.jsdt.core.dom.ObjectLiteralField; |
| import org.eclipse.wst.jsdt.js.common.build.system.BuildSystemVisitor; |
| import org.eclipse.wst.jsdt.js.common.build.system.ITask; |
| import org.eclipse.wst.jsdt.js.common.build.system.Location; |
| import org.eclipse.wst.jsdt.js.common.build.system.util.ASTUtil; |
| import org.eclipse.wst.jsdt.js.grunt.internal.GruntTask; |
| |
| /** |
| * @author "Ilya Buziuk (ibuziuk)" |
| */ |
| public class GruntVisitor extends BuildSystemVisitor { |
| private static final String GRUNT_INIT_CONFIG = "grunt.initConfig"; //$NON-NLS-1$ |
| private static final String GRUNT_REGISTER_TASK = "grunt.registerTask"; //$NON-NLS-1$ |
| private static final String GRUNT_REGISTER_MULTI_TASK = "grunt.registerMultiTask"; //$NON-NLS-1$ |
| private static final String GRUNT_PROPERTY_IGNORE = "pkg"; //$NON-NLS-1$ |
| |
| private Set<ITask> tasks; |
| private IFile file; |
| |
| public GruntVisitor(IFile file) { |
| super(); |
| this.file = file; |
| this.tasks = new HashSet<ITask>(); |
| } |
| |
| @SuppressWarnings("unchecked") |
| public boolean visit(FunctionInvocation node) { |
| Expression expression = node.getExpression(); |
| List<Expression> arguments = node.arguments(); |
| |
| if (expression != null && arguments != null) { |
| int argSize = arguments.size(); |
| |
| // http://gruntjs.com/api/grunt.task#grunt.task.registertask |
| if (GRUNT_REGISTER_TASK.equals(expression.toString())) { |
| if (argSize == 2 || argSize == 3) { |
| // Register task supports an optional description field as argument 1. |
| Expression task = arguments.get(0); |
| tasks.add(new GruntTask(ASTUtil.beautify(task), file, false, new Location(task.getStartPosition(), task.getLength()))); |
| } |
| return false; |
| |
| // http://gruntjs.com/api/grunt.task#grunt.task.registermultitask |
| } else if (GRUNT_REGISTER_MULTI_TASK.equals(expression)) { |
| if (argSize == 3) { |
| Expression task = arguments.get(0); |
| tasks.add(new GruntTask(ASTUtil.beautify(task), file, false, new Location(task.getStartPosition(), task.getLength()))); |
| } |
| return false; |
| |
| // http://gruntjs.com/api/grunt#grunt.initconfig |
| } else if (GRUNT_INIT_CONFIG.equals(expression.toString())) { |
| if (argSize == 1 && arguments.get(0) instanceof ObjectLiteral) { |
| ObjectLiteral jsObject = (ObjectLiteral) arguments.get(0); |
| List<ObjectLiteralField> fields = jsObject.fields(); |
| for (ObjectLiteralField f : fields) { |
| Expression field = f.getFieldName(); |
| if (field.toString().equals(GRUNT_PROPERTY_IGNORE)){ |
| continue; |
| } |
| tasks.add(new GruntTask((field.toString()), file, false, new Location(field.getStartPosition(), field.getLength()))); |
| } |
| } |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| |
| public Set<ITask> getTasks() { |
| return this.tasks; |
| } |
| |
| } |