| /* |
| * 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.vxquery.runtime.functions.step; |
| |
| import org.apache.vxquery.datamodel.accessors.TaggedValuePointable; |
| import org.apache.vxquery.datamodel.accessors.atomic.CodedQNamePointable; |
| import org.apache.vxquery.datamodel.accessors.nodes.AttributeNodePointable; |
| import org.apache.vxquery.datamodel.accessors.nodes.ElementNodePointable; |
| import org.apache.vxquery.datamodel.accessors.nodes.NodeTreePointable; |
| import org.apache.vxquery.datamodel.values.ValueTag; |
| import org.apache.vxquery.types.AttributeType; |
| import org.apache.vxquery.types.ElementType; |
| import org.apache.vxquery.types.NameTest; |
| import org.apache.vxquery.types.NodeType; |
| import org.apache.vxquery.types.SequenceType; |
| |
| import org.apache.hyracks.data.std.api.IPointable; |
| import org.apache.hyracks.data.std.primitive.UTF8StringPointable; |
| import org.apache.hyracks.data.std.primitive.VoidPointable; |
| |
| public class NodeTestFilter { |
| |
| public static INodeFilter getNodeTestFilter(SequenceType sType) { |
| INodeFilter filter; |
| final NodeType nodeType = (NodeType) sType.getItemType(); |
| switch (nodeType.getNodeKind()) { |
| case ATTRIBUTE: { |
| AttributeType aType = (AttributeType) nodeType; |
| NameTest nameTest = aType.getNameTest(); |
| byte[] uri = nameTest.getUri(); |
| byte[] localName = nameTest.getLocalName(); |
| final UTF8StringPointable urip = (UTF8StringPointable) (uri == null ? null |
| : UTF8StringPointable.FACTORY.createPointable()); |
| final UTF8StringPointable localp = (UTF8StringPointable) (localName == null ? null |
| : UTF8StringPointable.FACTORY.createPointable()); |
| if (uri != null) { |
| urip.set(uri, 0, uri.length); |
| } |
| if (localName != null) { |
| localp.set(localName, 0, localName.length); |
| } |
| final IPointable temp = VoidPointable.FACTORY.createPointable(); |
| final AttributeNodePointable anp = (AttributeNodePointable) AttributeNodePointable.FACTORY |
| .createPointable(); |
| final CodedQNamePointable cqp = (CodedQNamePointable) CodedQNamePointable.FACTORY.createPointable(); |
| filter = new INodeFilter() { |
| @Override |
| public boolean accept(NodeTreePointable ntp, TaggedValuePointable tvp) { |
| if (tvp.getTag() != ValueTag.ATTRIBUTE_NODE_TAG) { |
| return false; |
| } |
| tvp.getValue(anp); |
| anp.getName(cqp); |
| if (urip != null) { |
| ntp.getString(cqp.getNamespaceCode(), temp); |
| if (urip.compareTo(temp) != 0) { |
| return false; |
| } |
| } |
| if (localp != null) { |
| ntp.getString(cqp.getLocalCode(), temp); |
| if (localp.compareTo(temp) != 0) { |
| return false; |
| } |
| } |
| return true; |
| } |
| }; |
| break; |
| } |
| |
| case COMMENT: |
| filter = new INodeFilter() { |
| @Override |
| public boolean accept(NodeTreePointable ntp, TaggedValuePointable tvp) { |
| return tvp.getTag() == ValueTag.COMMENT_NODE_TAG; |
| } |
| }; |
| break; |
| |
| case DOCUMENT: |
| filter = new INodeFilter() { |
| @Override |
| public boolean accept(NodeTreePointable ntp, TaggedValuePointable tvp) { |
| return tvp.getTag() == ValueTag.DOCUMENT_NODE_TAG; |
| } |
| }; |
| break; |
| |
| case ELEMENT: { |
| ElementType eType = (ElementType) nodeType; |
| NameTest nameTest = eType.getNameTest(); |
| byte[] uri = nameTest.getUri(); |
| byte[] localName = nameTest.getLocalName(); |
| final UTF8StringPointable urip = (UTF8StringPointable) (uri == null ? null |
| : UTF8StringPointable.FACTORY.createPointable()); |
| final UTF8StringPointable localp = (UTF8StringPointable) (localName == null ? null |
| : UTF8StringPointable.FACTORY.createPointable()); |
| if (uri != null) { |
| urip.set(uri, 0, uri.length); |
| } |
| if (localName != null) { |
| localp.set(localName, 0, localName.length); |
| } |
| final IPointable temp = VoidPointable.FACTORY.createPointable(); |
| final ElementNodePointable enp = (ElementNodePointable) ElementNodePointable.FACTORY.createPointable(); |
| final CodedQNamePointable cqp = (CodedQNamePointable) CodedQNamePointable.FACTORY.createPointable(); |
| filter = new INodeFilter() { |
| @Override |
| public boolean accept(NodeTreePointable ntp, TaggedValuePointable tvp) { |
| if (tvp.getTag() != ValueTag.ELEMENT_NODE_TAG) { |
| return false; |
| } |
| tvp.getValue(enp); |
| enp.getName(cqp); |
| if (urip != null) { |
| ntp.getString(cqp.getNamespaceCode(), temp); |
| if (urip.compareTo(temp) != 0) { |
| return false; |
| } |
| } |
| if (localp != null) { |
| ntp.getString(cqp.getLocalCode(), temp); |
| if (localp.compareTo(temp) != 0) { |
| return false; |
| } |
| } |
| return true; |
| } |
| }; |
| break; |
| } |
| |
| case PI: |
| filter = new INodeFilter() { |
| @Override |
| public boolean accept(NodeTreePointable ntp, TaggedValuePointable tvp) { |
| return tvp.getTag() == ValueTag.PI_NODE_TAG; |
| } |
| }; |
| break; |
| |
| case TEXT: |
| filter = new INodeFilter() { |
| @Override |
| public boolean accept(NodeTreePointable ntp, TaggedValuePointable tvp) { |
| return tvp.getTag() == ValueTag.TEXT_NODE_TAG; |
| } |
| }; |
| break; |
| |
| case ANY: |
| default: |
| filter = new INodeFilter() { |
| @Override |
| public boolean accept(NodeTreePointable ntp, TaggedValuePointable tvp) { |
| return true; |
| } |
| }; |
| break; |
| } |
| return filter; |
| } |
| |
| public interface INodeFilter { |
| public boolean accept(NodeTreePointable ntp, TaggedValuePointable tvp); |
| } |
| } |