| /* |
| * 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.util.List; |
| |
| import edu.umd.cs.findbugs.annotations.SuppressFBWarnings; |
| import freemarker.ext.dom._ExtDomApi; |
| import freemarker.template.SimpleScalar; |
| import freemarker.template.SimpleSequence; |
| import freemarker.template.TemplateMethodModel; |
| import freemarker.template.TemplateModel; |
| import freemarker.template.TemplateModelException; |
| import freemarker.template.TemplateNodeModel; |
| import freemarker.template.TemplateNodeModelEx; |
| import freemarker.template._ObjectWrappers; |
| |
| /** |
| * A holder for builtins that operate exclusively on (XML-)node left-hand value. |
| */ |
| class BuiltInsForNodes { |
| |
| static class ancestorsBI extends BuiltInForNode { |
| @Override |
| TemplateModel calculateResult(TemplateNodeModel nodeModel, Environment env) throws TemplateModelException { |
| AncestorSequence result = new AncestorSequence(env); |
| TemplateNodeModel parent = nodeModel.getParentNode(); |
| while (parent != null) { |
| result.add(parent); |
| parent = parent.getParentNode(); |
| } |
| return result; |
| } |
| } |
| |
| static class childrenBI extends BuiltInForNode { |
| @Override |
| TemplateModel calculateResult(TemplateNodeModel nodeModel, Environment env) throws TemplateModelException { |
| return nodeModel.getChildNodes(); |
| } |
| } |
| |
| static class node_nameBI extends BuiltInForNode { |
| @Override |
| TemplateModel calculateResult(TemplateNodeModel nodeModel, Environment env) throws TemplateModelException { |
| return new SimpleScalar(nodeModel.getNodeName()); |
| } |
| } |
| |
| static class node_namespaceBI extends BuiltInForNode { |
| @Override |
| TemplateModel calculateResult(TemplateNodeModel nodeModel, Environment env) throws TemplateModelException { |
| String nsURI = nodeModel.getNodeNamespace(); |
| return nsURI == null ? null : new SimpleScalar(nsURI); |
| } |
| } |
| |
| static class node_typeBI extends BuiltInForNode { |
| @Override |
| TemplateModel calculateResult(TemplateNodeModel nodeModel, Environment env) throws TemplateModelException { |
| return new SimpleScalar(nodeModel.getNodeType()); |
| } |
| } |
| |
| static class parentBI extends BuiltInForNode { |
| @Override |
| TemplateModel calculateResult(TemplateNodeModel nodeModel, Environment env) throws TemplateModelException { |
| return nodeModel.getParentNode(); |
| } |
| } |
| |
| static class rootBI extends BuiltInForNode { |
| @Override |
| TemplateModel calculateResult(TemplateNodeModel nodeModel, Environment env) throws TemplateModelException { |
| TemplateNodeModel result = nodeModel; |
| TemplateNodeModel parent = nodeModel.getParentNode(); |
| while (parent != null) { |
| result = parent; |
| parent = result.getParentNode(); |
| } |
| return result; |
| } |
| } |
| |
| static class previousSiblingBI extends BuiltInForNodeEx { |
| @Override |
| TemplateModel calculateResult(TemplateNodeModelEx nodeModel, Environment env) throws TemplateModelException { |
| return nodeModel.getPreviousSibling(); |
| } |
| } |
| |
| static class nextSiblingBI extends BuiltInForNodeEx { |
| @Override |
| TemplateModel calculateResult(TemplateNodeModelEx nodeModel, Environment env) throws TemplateModelException { |
| return nodeModel.getNextSibling(); |
| } |
| } |
| |
| // Can't be instantiated |
| private BuiltInsForNodes() { } |
| |
| static class AncestorSequence extends SimpleSequence implements TemplateMethodModel { |
| |
| @SuppressFBWarnings(value="SE_BAD_FIELD", |
| justification="Can't make this Serializable, and not extending SimpleSequence would be non-BC.") |
| private Environment env; |
| |
| AncestorSequence(Environment env) { |
| super(_ObjectWrappers.SAFE_OBJECT_WRAPPER); |
| this.env = env; |
| } |
| |
| @Override |
| public Object exec(List names) throws TemplateModelException { |
| if (names == null || names.isEmpty()) { |
| return this; |
| } |
| AncestorSequence result = new AncestorSequence(env); |
| for (int i = 0; i < size(); i++) { |
| TemplateNodeModel tnm = (TemplateNodeModel) get(i); |
| String nodeName = tnm.getNodeName(); |
| String nsURI = tnm.getNodeNamespace(); |
| if (nsURI == null) { |
| if (names.contains(nodeName)) { |
| result.add(tnm); |
| } |
| } else { |
| for (int j = 0; j < names.size(); j++) { |
| if (_ExtDomApi.matchesName((String) names.get(j), nodeName, nsURI, env)) { |
| result.add(tnm); |
| break; |
| } |
| } |
| } |
| } |
| return result; |
| } |
| } |
| } |