/*
 * Copyright 2002-2003 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */
 

package com.sun.tools.javah;


import java.io.*;

/**
 * Javah generates support files for native methods.
 * Parse commandline options & Invokes javadoc to execute those commands. 
 *
 * @author Sucheta Dambalkar
 */
public class Main{ 
    /*
     * Parse arguments given for javah to give proper error messages.
     */
    public static void main(String[] args){

	if (args.length == 0) {
	    Util.usage(1);
	}
	for ( int i = 0; i < args.length; i++) {
	    if (args[i].equals("-o")) {
		i++;
		if(i >= args.length){
		    Util.usage(1);
		}else if(args[i].charAt(0) == '-'){
		    Util.error("no.outputfile.specified");
		}else if((i+1) >= args.length){
		    Util.error("no.classes.specified");
		}
	    } else if (args[i].equals("-d")) {
		i++;
		if(i >= args.length){
		    Util.usage(1);
		}else if(args[i].charAt(0) == '-')  {
		    Util.error("no.outputdir.specified");
		}else if((i+1) >= args.length){
		    Util.error("no.classes.specified");
		}
	    } else if (args[i].equals("-td")) {
		/* Ignored.  Generate tmp files to memory. */
		i++;
		if (i == args.length)
		    Util.usage(1);
	    } else if (args[i].equals("-stubs")) {
		if((i+1) >= args.length){
		    Util.error("no.classes.specified");
		}
	    } else if (args[i].equals("-v") || args[i].equals("-verbose")) {
		if((i+1) >= args.length){
		    Util.error("no.classes.specified");
		}
		args[i] = "-verbose";
	    } else if ((args[i].equals("-help")) || (args[i].equals("--help")) 
		       || (args[i].equals("-?")) || (args[i].equals("-h"))) {
		Util.usage(0);
	    } else if (args[i].equals("-trace")) {
		System.err.println(Util.getText("tracing.not.supported"));
	    } else if (args[i].equals("-version")) {
		if((i+1) >= args.length){
		    Util.version();
		}
	    } else if (args[i].equals("-jni")) {
		if((i+1) >= args.length){
		    Util.error("no.classes.specified");
		}
	    } else if (args[i].equals("-force")) {
		if((i+1) >= args.length){
		    Util.error("no.classes.specified");
		}
	    } else if (args[i].equals("-Xnew")) {
		// we're already using the new javah
	    } else if (args[i].equals("-old")) {
		System.err.println(Util.getText("old.not.supported"));
	        Util.usage(1);
	    } else if (args[i].equals("-Xllni")) {
		if((i+1) >= args.length){
		    Util.error("no.classes.specified");
		}
	    } else if (args[i].equals("-llni")) {
		if((i+1) >= args.length){
		    Util.error("no.classes.specified");
		}
	    } else if (args[i].equals("-llniDouble")) {
		if((i+1) >= args.length){
		    Util.error("no.classes.specified");
		}
	    } else if (args[i].equals("-classpath")) {
		i++;
		if(i >= args.length){
		    Util.usage(1);
		}else if(args[i].charAt(0) == '-') {
		    Util.error("no.classpath.specified");
		}else if((i+1) >= args.length){
		    Util.error("no.classes.specified");
		}
	    } else if (args[i].equals("-bootclasspath")) {
		i++;
		if(i >= args.length){
		    Util.usage(1);
		}else if(args[i].charAt(0) == '-'){
		    Util.error("no.bootclasspath.specified");
		}else if((i+1) >= args.length){
		    Util.error("no.classes.specified");
		}
	    } else if (args[i].charAt(0) == '-') {
		Util.error("unknown.option", args[i], null, true);
		
	    } else {
		//break; /* The rest must be classes. */
	    }
	}
	
	/* Invoke javadoc */
	
	String[] javadocargs = new String[args.length + 2];
	int i = 0;
	
	for(; i < args.length; i++) {
	    javadocargs[i] = args[i];
	}
	
	javadocargs[i] = "-private";
	i++;
	javadocargs[i] = "-Xclasses";
	
	com.sun.tools.javadoc.Main.execute("javadoc", "com.sun.tools.javah.MainDoclet", javadocargs);
    }
}