| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.royale.compiler.internal.css; |
| |
| import org.antlr.runtime.TokenStream; |
| import org.antlr.runtime.tree.CommonTree; |
| |
| /** |
| * Implementation for CSS keyword property value. |
| */ |
| public class CSSKeywordPropertyValue extends CSSPropertyValue |
| { |
| |
| /** |
| * Create a CSS property value from keyword. The return value can be |
| * different implementations depending on the keyword. For example, color |
| * name keywords like {@code red} and {@code blue} will generate |
| * {@link CSSColorPropertyValue} return values. Otherwise, the return type |
| * is {@link CSSKeywordPropertyValue}. |
| * |
| * @param tree AST node |
| * @param tokenStream token stream |
| * @return {@code ICSSPropertyValue} objects based on the keyword. |
| */ |
| protected static CSSPropertyValue create(final CommonTree tree, |
| final TokenStream tokenStream) |
| { |
| assert tree != null : "AST can't be null."; |
| assert tokenStream != null : "TokenStream can't be null."; |
| final CSSPropertyValue result; |
| final String keyword = tree.getText(); |
| |
| final Integer colorInt = CSSColorPropertyValue.COLOR_MAP.get(keyword.toLowerCase()); |
| if (colorInt != null) |
| result = new CSSColorPropertyValue(colorInt, tree, tokenStream); |
| else |
| result = new CSSKeywordPropertyValue(tree, tokenStream); |
| return result; |
| } |
| |
| protected CSSKeywordPropertyValue(final CommonTree tree, |
| final TokenStream tokenStream) |
| { |
| super(tree, tokenStream, CSSModelTreeType.PROPERTY_VALUE); |
| this.keyword = tree.getText(); |
| } |
| |
| private final String keyword; |
| |
| /** |
| * @return the keyword |
| */ |
| public String getKeyword() |
| { |
| return keyword; |
| } |
| |
| @Override |
| public String toString() |
| { |
| return keyword; |
| } |
| } |