| /* |
| * reserved comment block |
| * DO NOT REMOVE OR ALTER! |
| */ |
| /* |
| * Copyright 2001-2004 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. |
| */ |
| /* |
| * $Id: Import.java,v 1.8 2007/04/09 21:30:40 joehw Exp $ |
| */ |
| |
| package com.sun.org.apache.xalan.internal.xsltc.compiler; |
| |
| import java.io.File; |
| import java.net.URL; |
| import java.net.MalformedURLException; |
| import java.util.Enumeration; |
| |
| import com.sun.org.apache.xml.internal.utils.SystemIDResolver; |
| 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 org.xml.sax.InputSource; |
| import org.xml.sax.XMLReader; |
| |
| /** |
| * @author Jacek Ambroziak |
| * @author Morten Jorgensen |
| * @author Erwin Bolwidt <ejb@klomp.org> |
| * @author Gunnlaugur Briem <gthb@dimon.is> |
| */ |
| final class Import extends TopLevelElement { |
| |
| private Stylesheet _imported = null; |
| |
| public Stylesheet getImportedStylesheet() { |
| return _imported; |
| } |
| |
| public void parseContents(final Parser parser) { |
| final XSLTC xsltc = parser.getXSLTC(); |
| final Stylesheet context = parser.getCurrentStylesheet(); |
| |
| try { |
| String docToLoad = getAttribute("href"); |
| 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); |
| 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; |
| _imported = parser.makeStylesheet(root); |
| if (_imported == null) return; |
| |
| _imported.setSourceLoader(loader); |
| _imported.setSystemId(docToLoad); |
| _imported.setParentStylesheet(context); |
| _imported.setImportingStylesheet(context); |
| _imported.setTemplateInlining(context.getTemplateInlining()); |
| |
| // precedence for the including stylesheet |
| final int currPrecedence = parser.getCurrentImportPrecedence(); |
| final int nextPrecedence = parser.getNextImportPrecedence(); |
| _imported.setImportPrecedence(currPrecedence); |
| context.setImportPrecedence(nextPrecedence); |
| parser.setCurrentStylesheet(_imported); |
| _imported.parseContents(parser); |
| |
| final Enumeration elements = _imported.elements(); |
| final Stylesheet topStylesheet = parser.getTopLevelStylesheet(); |
| while (elements.hasMoreElements()) { |
| final Object element = elements.nextElement(); |
| 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 |
| } |
| } |