/*
 * Copyright (c) 2007, 2017, Oracle and/or its affiliates. All rights reserved.
 */
/*
 * 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.
 */
/*
 * $Id: Include.java,v 1.8 2007/04/09 21:30:41 joehw Exp $
 */

package com.sun.org.apache.xalan.internal.xsltc.compiler;

import com.sun.org.apache.xalan.internal.XalanConstants;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ErrorMsg;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.TypeCheckError;
import com.sun.org.apache.xml.internal.utils.SystemIDResolver;
import java.util.Iterator;
import javax.xml.XMLConstants;
import jdk.xml.internal.SecuritySupport;
import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;

Author:Jacek Ambroziak, Morten Jorgensen, Erwin Bolwidt , Gunnlaugur Briem
@LastModified: Sep 2017
/** * @author Jacek Ambroziak * @author Morten Jorgensen * @author Erwin Bolwidt <ejb@klomp.org> * @author Gunnlaugur Briem <gthb@dimon.is> * @LastModified: Sep 2017 */
final class Include extends TopLevelElement { private Stylesheet _included = null; public Stylesheet getIncludedStylesheet() { return _included; } public void parseContents(final Parser parser) { XSLTC xsltc = parser.getXSLTC(); Stylesheet context = parser.getCurrentStylesheet(); String docToLoad = getAttribute("href"); try { if (context.checkForLoop(docToLoad)) { final ErrorMsg msg = new ErrorMsg(ErrorMsg.CIRCULAR_INCLUDE_ERR, docToLoad, this); parser.reportError(Constants.FATAL, msg); return; } InputSource input = null; XMLReader reader = null; String currLoadedDoc = context.getSystemId(); SourceLoader loader = context.getSourceLoader(); // Use SourceLoader if available if (loader != null) { input = loader.loadSource(docToLoad, currLoadedDoc, xsltc); if (input != null) { docToLoad = input.getSystemId(); reader = xsltc.getXMLReader(); } else if (parser.errorsFound()) { return; } } // No SourceLoader or not resolved by SourceLoader if (input == null) { docToLoad = SystemIDResolver.getAbsoluteURI(docToLoad, currLoadedDoc); String accessError = SecuritySupport.checkAccess(docToLoad, (String)xsltc.getProperty(XMLConstants.ACCESS_EXTERNAL_STYLESHEET), XalanConstants.ACCESS_EXTERNAL_ALL); if (accessError != null) { final ErrorMsg msg = new ErrorMsg(ErrorMsg.ACCESSING_XSLT_TARGET_ERR, SecuritySupport.sanitizePath(docToLoad), accessError, this); parser.reportError(Constants.FATAL, msg); return; } input = new InputSource(docToLoad); } // Return if we could not resolve the URL if (input == null) { final ErrorMsg msg = new ErrorMsg(ErrorMsg.FILE_NOT_FOUND_ERR, docToLoad, this); parser.reportError(Constants.FATAL, msg); return; } final SyntaxTreeNode root; if (reader != null) { root = parser.parse(reader,input); } else { root = parser.parse(input); } if (root == null) return; _included = parser.makeStylesheet(root); if (_included == null) return; _included.setSourceLoader(loader); _included.setSystemId(docToLoad); _included.setParentStylesheet(context); _included.setIncludingStylesheet(context); _included.setTemplateInlining(context.getTemplateInlining()); // An included stylesheet gets the same import precedence // as the stylesheet that included it. final int precedence = context.getImportPrecedence(); _included.setImportPrecedence(precedence); parser.setCurrentStylesheet(_included); _included.parseContents(parser); final Iterator<SyntaxTreeNode> elements = _included.elements(); final Stylesheet topStylesheet = parser.getTopLevelStylesheet(); while (elements.hasNext()) { final Object element = elements.next(); if (element instanceof TopLevelElement) { if (element instanceof Variable) { topStylesheet.addVariable((Variable) element); } else if (element instanceof Param) { topStylesheet.addParam((Param) element); } else { topStylesheet.addElement((TopLevelElement) element); } } } } catch (Exception e) { e.printStackTrace(); } finally { parser.setCurrentStylesheet(context); } } public Type typeCheck(SymbolTable stable) throws TypeCheckError { return Type.Void; } public void translate(ClassGenerator classGen, MethodGenerator methodGen) { // do nothing } }