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src/share/tools/MakeDeps/ArgsParser.java@c18cbe5936b8 (annotated)

src/share/tools/MakeDeps/ArgsParser.java

Thu, 27 May 2010 19:08:38 -0700

author

trims

date

Thu, 27 May 2010 19:08:38 -0700

changeset 1907

c18cbe5936b8

parent 435

a61af66fc99e

permissions

-rw-r--r--

6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair

duke@435	1	/*
trims@1907	2	* Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
duke@435	25	class ArgIterator {
duke@435	26	String[] args;
duke@435	27	int i;
duke@435	28	ArgIterator(String[] args) {
duke@435	29	this.args = args;
duke@435	30	this.i = 0;
duke@435	31	}
duke@435	32	String get() { return args[i]; }
duke@435	33	boolean hasMore() { return args != null && i < args.length; }
duke@435	34	boolean next() { return ++i < args.length; }
duke@435	35	}
duke@435	36
duke@435	37	abstract class ArgHandler {
duke@435	38	public abstract void handle(ArgIterator it);
duke@435	39
duke@435	40	}
duke@435	41
duke@435	42	class ArgRule {
duke@435	43	String arg;
duke@435	44	ArgHandler handler;
duke@435	45	ArgRule(String arg, ArgHandler handler) {
duke@435	46	this.arg = arg;
duke@435	47	this.handler = handler;
duke@435	48	}
duke@435	49
duke@435	50	boolean process(ArgIterator it) {
duke@435	51	if (match(it.get(), arg)) {
duke@435	52	handler.handle(it);
duke@435	53	return true;
duke@435	54	}
duke@435	55	return false;
duke@435	56	}
duke@435	57	boolean match(String rule_pattern, String arg) {
duke@435	58	return arg.equals(rule_pattern);
duke@435	59	}
duke@435	60	}
duke@435	61
duke@435	62	class ArgsParser {
duke@435	63	ArgsParser(String[] args,
duke@435	64	ArgRule[] rules,
duke@435	65	ArgHandler defaulter) {
duke@435	66	ArgIterator ai = new ArgIterator(args);
duke@435	67	while (ai.hasMore()) {
duke@435	68	boolean processed = false;
duke@435	69	for (int i=0; i<rules.length; i++) {
duke@435	70	processed |= rules[i].process(ai);
duke@435	71	if (processed) {
duke@435	72	break;
duke@435	73	}
duke@435	74	}
duke@435	75	if (!processed) {
duke@435	76	if (defaulter != null) {
duke@435	77	defaulter.handle(ai);
duke@435	78	} else {
duke@435	79	System.err.println("ERROR: unparsed \""+ai.get()+"\"");
duke@435	80	ai.next();
duke@435	81	}
duke@435	82	}
duke@435	83	}
duke@435	84	}
duke@435	85	}