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comparison src/share/tools/ProjectCreator/ArgsParser.java @ 1972:f95d63e2154a

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6989984: Use standard include model for Hospot Summary: Replaced MakeDeps and the includeDB files with more standardized solutions. Reviewed-by: coleenp, kvn, kamg
author stefank
date Tue, 23 Nov 2010 13:22:55 -0800
parents src/share/tools/MakeDeps/ArgsParser.java@c18cbe5936b8
children
comparison
equal deleted inserted replaced
1971:e33f46fc48ed 1972:f95d63e2154a
1 /*
2 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 class ArgIterator {
26 String[] args;
27 int i;
28 ArgIterator(String[] args) {
29 this.args = args;
30 this.i = 0;
31 }
32 String get() { return args[i]; }
33 boolean hasMore() { return args != null && i < args.length; }
34 boolean next() { return ++i < args.length; }
35 }
36
37 abstract class ArgHandler {
38 public abstract void handle(ArgIterator it);
39
40 }
41
42 class ArgRule {
43 String arg;
44 ArgHandler handler;
45 ArgRule(String arg, ArgHandler handler) {
46 this.arg = arg;
47 this.handler = handler;
48 }
49
50 boolean process(ArgIterator it) {
51 if (match(it.get(), arg)) {
52 handler.handle(it);
53 return true;
54 }
55 return false;
56 }
57 boolean match(String rule_pattern, String arg) {
58 return arg.equals(rule_pattern);
59 }
60 }
61
62 class ArgsParser {
63 ArgsParser(String[] args,
64 ArgRule[] rules,
65 ArgHandler defaulter) {
66 ArgIterator ai = new ArgIterator(args);
67 while (ai.hasMore()) {
68 boolean processed = false;
69 for (int i=0; i<rules.length; i++) {
70 processed |= rules[i].process(ai);
71 if (processed) {
72 break;
73 }
74 }
75 if (!processed) {
76 if (defaulter != null) {
77 defaulter.handle(ai);
78 } else {
79 System.err.println("ERROR: unparsed \""+ai.get()+"\"");
80 ai.next();
81 }
82 }
83 }
84 }
85 }