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1 package org.objectweb.celtix.tools.common.toolspec.parser;
2
3 import java.util.ArrayList  ;
4 import java.util.Iterator ;
5 import java.util.List ;
6 import java.util.logging.Level ;
7 import java.util.logging.Logger ;
8
9 import org.w3c.dom.Element ;
10 import org.w3c.dom.NodeList ;
11
12 import org.objectweb.celtix.common.logging.LogUtils;
13 import org.objectweb.celtix.tools.common.toolspec.Tool;
14
15 public class OptionGroup implements TokenConsumer {
16
17 private static final Logger LOG = LogUtils.getL7dLogger(OptionGroup.class);
18 private final Element element;
19
20 private final List <Object > options = new ArrayList <Object >();
21
22 public OptionGroup(Element el) {
23 this.element = el;
24 NodeList optionEls = element.getElementsByTagNameNS(Tool.TOOL_SPEC_PUBLIC_ID, "option");
25
26 for (int i = 0; i < optionEls.getLength(); i++) {
27 options.add(new Option((Element )optionEls.item(i)));
28 }
29 }
30
31 public boolean accept(TokenInputStream args, Element result, ErrorVisitor errors) {
32 if (LOG.isLoggable(Level.INFO)) {
33 LOG.info("Accepting token stream for optionGroup: " + this + ", tokens are now " + args
34 + ", running through " + options.size() + " options");
35 }
36 boolean accepted = false;
39
40 for (Iterator it = options.iterator(); it.hasNext();) {
41 Option option = (Option)it.next();
42
43 if (option.accept(args, result, errors)) {
44 if (LOG.isLoggable(Level.INFO)) {
45 LOG.info("Option " + option + " accepted the token");
46 }
47 accepted = true;
48 break;
49 }
50 }
51 if (!accepted) {
52 if (LOG.isLoggable(Level.INFO)) {
53 LOG.info("No option accepted the token, returning");
54 }
55 return false;
56 }
57
58 return true;
59 }
60
61 public boolean isSatisfied(ErrorVisitor errors) {
62 for (Iterator it = options.iterator(); it.hasNext();) {
64 if (!((Option)it.next()).isSatisfied(errors)) {
65 return false;
66 }
67 }
68 return true;
69 }
70
71 public String getId() {
72 return element.getAttribute("id");
73 }
74
75 public String toString() {
76 if (element.hasAttribute("id")) {
77 return getId();
78 } else {
79 return super.toString();
80 }
81 }
82 }
83 |
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