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251 lines
8.3 KiB
251 lines
8.3 KiB
/*
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* Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*/
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/*
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* Copyright 1999-2004 The Apache Software Foundation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* $Id: NodeInfo.java,v 1.2.4.1 2005/09/10 18:54:37 jeffsuttor Exp $
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*/
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package com.sun.org.apache.xalan.internal.lib;
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import javax.xml.transform.SourceLocator;
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import com.sun.org.apache.xalan.internal.extensions.ExpressionContext;
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import com.sun.org.apache.xml.internal.dtm.ref.DTMNodeProxy;
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import org.w3c.dom.Node;
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import org.w3c.dom.NodeList;
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/**
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* <code>NodeInfo</code> defines a set of XSLT extension functions to be
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* used from stylesheets.
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*
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* @author <a href="mailto:ovidiu@cup.hp.com">Ovidiu Predescu</a>
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* @since May 24, 2001
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*/
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public class NodeInfo
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{
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/**
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* <code>systemId</code> returns the system id of the current
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* context node.
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*
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* @param context an <code>ExpressionContext</code> value
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* @return a <code>String</code> value
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*/
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public static String systemId(ExpressionContext context)
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{
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Node contextNode = context.getContextNode();
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int nodeHandler = ((DTMNodeProxy)contextNode).getDTMNodeNumber();
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SourceLocator locator = ((DTMNodeProxy)contextNode).getDTM()
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.getSourceLocatorFor(nodeHandler);
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if (locator != null)
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return locator.getSystemId();
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else
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return null;
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}
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/**
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* <code>systemId</code> returns the system id of the node passed as
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* argument. If a node set is passed as argument, the system id of
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* the first node in the set is returned.
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*
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* @param nodeList a <code>NodeList</code> value
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* @return a <code>String</code> value
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*/
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public static String systemId(NodeList nodeList)
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{
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if (nodeList == null || nodeList.getLength() == 0)
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return null;
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Node node = nodeList.item(0);
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int nodeHandler = ((DTMNodeProxy)node).getDTMNodeNumber();
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SourceLocator locator = ((DTMNodeProxy)node).getDTM()
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.getSourceLocatorFor(nodeHandler);
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if (locator != null)
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return locator.getSystemId();
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else
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return null;
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}
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/**
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* <code>publicId</code> returns the public identifier of the current
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* context node.
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*
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* Xalan does not currently record this value, and will return null.
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*
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* @param context an <code>ExpressionContext</code> value
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* @return a <code>String</code> value
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*/
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public static String publicId(ExpressionContext context)
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{
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Node contextNode = context.getContextNode();
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int nodeHandler = ((DTMNodeProxy)contextNode).getDTMNodeNumber();
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SourceLocator locator = ((DTMNodeProxy)contextNode).getDTM()
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.getSourceLocatorFor(nodeHandler);
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if (locator != null)
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return locator.getPublicId();
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else
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return null;
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}
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/**
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* <code>publicId</code> returns the public identifier of the node passed as
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* argument. If a node set is passed as argument, the public identifier of
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* the first node in the set is returned.
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*
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* Xalan does not currently record this value, and will return null.
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*
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* @param nodeList a <code>NodeList</code> value
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* @return a <code>String</code> value
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*/
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public static String publicId(NodeList nodeList)
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{
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if (nodeList == null || nodeList.getLength() == 0)
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return null;
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Node node = nodeList.item(0);
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int nodeHandler = ((DTMNodeProxy)node).getDTMNodeNumber();
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SourceLocator locator = ((DTMNodeProxy)node).getDTM()
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.getSourceLocatorFor(nodeHandler);
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if (locator != null)
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return locator.getPublicId();
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else
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return null;
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}
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/**
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* <code>lineNumber</code> returns the line number of the current
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* context node.
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*
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* NOTE: Xalan does not normally record location information for each node.
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* To obtain it, you must set the custom TrAX attribute
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* "http://xml.apache.org/xalan/features/source_location"
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* true in the TransformerFactory before generating the Transformer and executing
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* the stylesheet. Storage cost per node will be noticably increased in this mode.
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*
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* @param context an <code>ExpressionContext</code> value
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* @return an <code>int</code> value. This may be -1 to indicate that the
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* line number is not known.
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*/
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public static int lineNumber(ExpressionContext context)
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{
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Node contextNode = context.getContextNode();
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int nodeHandler = ((DTMNodeProxy)contextNode).getDTMNodeNumber();
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SourceLocator locator = ((DTMNodeProxy)contextNode).getDTM()
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.getSourceLocatorFor(nodeHandler);
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if (locator != null)
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return locator.getLineNumber();
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else
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return -1;
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}
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/**
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* <code>lineNumber</code> returns the line number of the node
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* passed as argument. If a node set is passed as argument, the line
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* number of the first node in the set is returned.
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*
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* NOTE: Xalan does not normally record location information for each node.
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* To obtain it, you must set the custom TrAX attribute
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* "http://xml.apache.org/xalan/features/source_location"
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* true in the TransformerFactory before generating the Transformer and executing
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* the stylesheet. Storage cost per node will be noticably increased in this mode.
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*
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* @param nodeList a <code>NodeList</code> value
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* @return an <code>int</code> value. This may be -1 to indicate that the
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* line number is not known.
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*/
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public static int lineNumber(NodeList nodeList)
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{
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if (nodeList == null || nodeList.getLength() == 0)
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return -1;
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Node node = nodeList.item(0);
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int nodeHandler = ((DTMNodeProxy)node).getDTMNodeNumber();
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SourceLocator locator = ((DTMNodeProxy)node).getDTM()
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.getSourceLocatorFor(nodeHandler);
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if (locator != null)
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return locator.getLineNumber();
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else
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return -1;
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}
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/**
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* <code>columnNumber</code> returns the column number of the
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* current context node.
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*
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* NOTE: Xalan does not normally record location information for each node.
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* To obtain it, you must set the custom TrAX attribute
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* "http://xml.apache.org/xalan/features/source_location"
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* true in the TransformerFactory before generating the Transformer and executing
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* the stylesheet. Storage cost per node will be noticably increased in this mode.
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*
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* @param context an <code>ExpressionContext</code> value
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* @return an <code>int</code> value. This may be -1 to indicate that the
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* column number is not known.
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*/
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public static int columnNumber(ExpressionContext context)
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{
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Node contextNode = context.getContextNode();
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int nodeHandler = ((DTMNodeProxy)contextNode).getDTMNodeNumber();
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SourceLocator locator = ((DTMNodeProxy)contextNode).getDTM()
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.getSourceLocatorFor(nodeHandler);
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if (locator != null)
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return locator.getColumnNumber();
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else
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return -1;
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}
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/**
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* <code>columnNumber</code> returns the column number of the node
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* passed as argument. If a node set is passed as argument, the line
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* number of the first node in the set is returned.
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*
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* NOTE: Xalan does not normally record location information for each node.
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* To obtain it, you must set the custom TrAX attribute
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* "http://xml.apache.org/xalan/features/source_location"
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* true in the TransformerFactory before generating the Transformer and executing
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* the stylesheet. Storage cost per node will be noticably increased in this mode.
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*
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* @param nodeList a <code>NodeList</code> value
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* @return an <code>int</code> value. This may be -1 to indicate that the
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* column number is not known.
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*/
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public static int columnNumber(NodeList nodeList)
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{
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if (nodeList == null || nodeList.getLength() == 0)
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return -1;
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Node node = nodeList.item(0);
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int nodeHandler = ((DTMNodeProxy)node).getDTMNodeNumber();
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SourceLocator locator = ((DTMNodeProxy)node).getDTM()
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.getSourceLocatorFor(nodeHandler);
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if (locator != null)
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return locator.getColumnNumber();
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else
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return -1;
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}
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}
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