| /* |
| * reserved comment block |
| * DO NOT REMOVE OR ALTER! |
| */ |
| /* |
| * Copyright 2005 The Apache Software Foundation. |
| * |
| * Licensed 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 com.sun.org.apache.xerces.internal.xpointer; |
| |
| import com.sun.org.apache.xerces.internal.xni.Augmentations; |
| import com.sun.org.apache.xerces.internal.xni.QName; |
| import com.sun.org.apache.xerces.internal.xni.XMLAttributes; |
| import com.sun.org.apache.xerces.internal.xni.XNIException; |
| |
| /** |
| * <p> |
| * The XPointerProcessor is responsible for parsing an XPointer |
| * expression and and providing scheme specific resolution of |
| * the document fragment pointed to be the pointer. |
| * </p> |
| * |
| * @xerces.internal |
| * |
| * |
| */ |
| public interface XPointerProcessor { |
| |
| // The start element event |
| public static final int EVENT_ELEMENT_START = 0; |
| |
| // The end element event |
| public static final int EVENT_ELEMENT_END = 1; |
| |
| // The empty element event |
| public static final int EVENT_ELEMENT_EMPTY = 2; |
| |
| /** |
| * Parses an XPointer expression. It performs scheme specific processing |
| * depending on the pointer parts and sets up a Vector of XPointerParts |
| * in the order (left-to-right) they appear in the XPointer expression. |
| * |
| * @param xpointer A String representing the xpointer expression. |
| * @throws XNIException Thrown if the xpointer string does not conform to |
| * the XPointer Framework syntax or the syntax of the pointer part does |
| * not conform to its definition for its scheme. |
| * |
| */ |
| public void parseXPointer(String xpointer) throws XNIException; |
| |
| /** |
| * Evaluates an XML resource with respect to an XPointer expressions |
| * by checking if it's element and attributes parameters match the |
| * criteria specified in the xpointer expression. |
| * |
| * @param element - The name of the element. |
| * @param attributes - The element attributes. |
| * @param augs - Additional information that may include infoset augmentations |
| * @param event - An integer indicating |
| * 0 - The start of an element |
| * 1 - The end of an element |
| * 2 - An empty element call |
| * @return true if the element was resolved by the xpointer |
| * @throws XNIException Thrown to signal an error |
| * |
| */ |
| public boolean resolveXPointer(QName element, XMLAttributes attributes, |
| Augmentations augs, int event) throws XNIException; |
| |
| /** |
| * Returns true if the XPointer expression resolves to the current resource fragment |
| * or Node which is part of the input resource being streamed else returns false. |
| * |
| * @return True if the xpointer expression matches a node/fragment in the resource |
| * else returns false. |
| * @throws XNIException Thrown to signal an error |
| * |
| */ |
| public boolean isFragmentResolved() throws XNIException; |
| |
| /** |
| * Returns true if the XPointer expression resolves any subresource of the |
| * input resource. |
| * |
| * @return True if the xpointer expression matches a fragment in the resource |
| * else returns false. |
| * @throws XNIException Thrown to signal an error |
| * |
| */ |
| public boolean isXPointerResolved() throws XNIException; |
| |
| } |