curcuru 01/04/24 08:51:29 Added: java/src/org/apache/xalan/xsltc/util JavaCupRedirect.java Log: Utility to switch -stdin filename.ext argument to an input stream; used solely to integrate java_cup utility into Ant build script Revision Changes Path 1.1 xml-xalan/java/src/org/apache/xalan/xsltc/util/JavaCupRedirect.java Index: JavaCupRedirect.java =================================================================== /* * @(#)$Id: JavaCupRedirect.java,v 1.1 2001/04/24 15:51:29 curcuru Exp $ * * The Apache Software License, Version 1.1 * * * Copyright (c) 2001 The Apache Software Foundation. All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, * if any, must include the following acknowledgment: * "This product includes software developed by the * Apache Software Foundation (http://www.apache.org/)." * Alternately, this acknowledgment may appear in the software itself, * if and wherever such third-party acknowledgments normally appear. * * 4. The names "Xalan" and "Apache Software Foundation" must * not be used to endorse or promote products derived from this * software without prior written permission. For written * permission, please contact [EMAIL PROTECTED] * * 5. Products derived from this software may not be called "Apache", * nor may "Apache" appear in their name, without prior written * permission of the Apache Software Foundation. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation and was * originally based on software copyright (c) 2001, Sun * Microsystems., http://www.sun.com. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. */ package org.apache.xalan.xsltc.util; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.InputStream; /** * Utility class to redirect input to JavaCup program. * * Usage-command line: * <code>java org.apache.xalan.xsltc.utils.JavaCupRedirect [args] -stdin filename.ext</code> * * @author Morten Jorgensen * @version $Id: JavaCupRedirect.java,v 1.1 2001/04/24 15:51:29 curcuru Exp $ */ public class JavaCupRedirect { private final static String ERRMSG = "You must supply a filename with the -stdin option."; public static void main (String args[]) { // If we should call System.exit or not //@todo make this settable for use inside other java progs boolean systemExitOK = true; // This is the stream we'll set as our System.in InputStream input = null; // The number of arguments final int argc = args.length; // The arguments we'll pass to the real 'main()' String[] new_args = new String[argc - 2]; int new_argc = 0; // Parse all parameters passed to this class for (int i = 0; i < argc; i++) { // Parse option '-stdin <filename>' if (args[i].equals("-stdin")) { // This option must have an argument if ((++i >= argc) || (args[i].startsWith("-"))) { System.err.println(ERRMSG); doSystemExit(systemExitOK); } try { input = new FileInputStream(args[i]); } catch (FileNotFoundException e) { System.err.println("Could not open file "+args[i]); doSystemExit(systemExitOK); } catch (SecurityException e) { System.err.println("No permission to file "+args[i]); doSystemExit(systemExitOK); } } else { if (new_argc == new_args.length) { System.err.println("Missing -stdin option!"); doSystemExit(systemExitOK); } new_args[new_argc++] = args[i]; } } System.setIn(input); try { java_cup.Main.main(new_args); } catch (Exception e) { System.err.println("Error running JavaCUP:"); e.printStackTrace(); doSystemExit(systemExitOK); } } public static void doSystemExit (boolean doExit) { if (doExit) System.exit(-1); } }
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