| /* |
| * Copyright 2014 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| |
| package com.google.gwt.resources.gss; |
| |
| import com.google.gwt.thirdparty.common.css.compiler.ast.CssCompilerPass; |
| import com.google.gwt.thirdparty.common.css.compiler.ast.CssDefinitionNode; |
| import com.google.gwt.thirdparty.common.css.compiler.ast.CssTree; |
| import com.google.gwt.thirdparty.common.css.compiler.ast.MutatingVisitController; |
| import com.google.gwt.thirdparty.common.css.compiler.passes.CollectConstantDefinitions; |
| |
| /** |
| * A pass that collects the constant definitions inside the tree. This pass removes the constant |
| * definitions during the collect. |
| */ |
| public class CollectAndRemoveConstantDefinitions extends CollectConstantDefinitions |
| implements CssCompilerPass { |
| |
| private final MutatingVisitController visitController; |
| |
| public CollectAndRemoveConstantDefinitions(CssTree tree) { |
| this(tree.getMutatingVisitController()); |
| } |
| |
| public CollectAndRemoveConstantDefinitions(MutatingVisitController visitController) { |
| super(visitController); |
| |
| this.visitController = visitController; |
| } |
| |
| @Override |
| public boolean enterDefinition(CssDefinitionNode node) { |
| super.enterDefinition(node); |
| |
| visitController.removeCurrentNode(); |
| |
| return false; |
| } |
| } |