| /* |
| * 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 freemarker.core; |
| |
| import java.io.IOException; |
| |
| import freemarker.template.TemplateException; |
| |
| /** |
| * Encapsulates an array of {@code TemplateElement} objects. |
| */ |
| final class MixedContent extends TemplateElement { |
| |
| MixedContent() { } |
| |
| /** |
| * @deprecated Use {@link #addChild(TemplateElement)} instead. |
| */ |
| @Deprecated |
| void addElement(TemplateElement element) { |
| addChild(element); |
| } |
| |
| /** |
| * @deprecated Use {@link #addChild(int, TemplateElement)} instead. |
| */ |
| @Deprecated |
| void addElement(int index, TemplateElement element) { |
| addChild(index, element); |
| } |
| |
| @Override |
| TemplateElement postParseCleanup(boolean stripWhitespace) |
| throws ParseException { |
| super.postParseCleanup(stripWhitespace); |
| return getChildCount() == 1 ? getChild(0) : this; |
| } |
| |
| /** |
| * Processes the contents of the internal {@code TemplateElement} list, |
| * and outputs the resulting text. |
| */ |
| @Override |
| TemplateElement[] accept(Environment env) |
| throws TemplateException, IOException { |
| return getChildBuffer(); |
| } |
| |
| @Override |
| protected String dump(boolean canonical) { |
| if (canonical) { |
| return getChildrenCanonicalForm(); |
| } else { |
| if (getParentElement() == null) { |
| return "root"; |
| } |
| return getNodeTypeSymbol(); // MixedContent is uninteresting in a stack trace. |
| } |
| } |
| |
| @Override |
| protected boolean isOutputCacheable() { |
| int ln = getChildCount(); |
| for (int i = 0; i < ln; i++) { |
| if (!getChild(i).isOutputCacheable()) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| String getNodeTypeSymbol() { |
| return "#mixed_content"; |
| } |
| |
| @Override |
| int getParameterCount() { |
| return 0; |
| } |
| |
| @Override |
| Object getParameterValue(int idx) { |
| throw new IndexOutOfBoundsException(); |
| } |
| |
| @Override |
| ParameterRole getParameterRole(int idx) { |
| throw new IndexOutOfBoundsException(); |
| } |
| |
| @Override |
| boolean isIgnorable(boolean stripWhitespace) { |
| return getChildCount() == 0; |
| } |
| |
| @Override |
| boolean isNestedBlockRepeater() { |
| return false; |
| } |
| } |