| /* |
| * |
| * 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 static com.google.common.base.Preconditions.checkState; |
| |
| import org.antlr.runtime.TokenStream; |
| import org.antlr.runtime.tree.CommonTree; |
| |
| import org.apache.royale.compiler.css.ICSSNamespaceDefinition; |
| import com.google.common.base.Joiner; |
| |
| /** |
| * Implementation for {@code @namespace} statements. |
| */ |
| public class CSSNamespaceDefinition extends CSSNodeBase implements ICSSNamespaceDefinition |
| { |
| |
| /** |
| * Create a node for {@code @namespace} statement. |
| */ |
| protected CSSNamespaceDefinition(final String prefix, |
| final String uri, |
| final CommonTree tree, |
| final TokenStream tokenStream) |
| { |
| super(tree, tokenStream, CSSModelTreeType.NAMESPACE_DEFINITION); |
| assert uri != null : "@namespace URI can't be null."; |
| if (!uri.equals("<missing STRING>")) { |
| assert CSSStringPropertyValue.isQuoted(uri) : "Do not strip namespace quotes in parser."; |
| } |
| |
| this.prefix = prefix; |
| this.uri = CSSStringPropertyValue.stripQuotes(uri); |
| checkState(this.uri.length() > 0, "@namespace URI can't be empty."); |
| } |
| |
| private final String prefix; |
| private final String uri; |
| |
| @Override |
| public String getPrefix() |
| { |
| return prefix; |
| } |
| |
| @Override |
| public String getURI() |
| { |
| return uri; |
| } |
| |
| @Override |
| public String toString() |
| { |
| return Joiner.on(" ") |
| .skipNulls() |
| .join("@namespace", prefix, '"' + uri + '"', ";"); |
| } |
| } |