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1 | !747 |
2 | |
3 | m {
|
4 | static S question = "Is port 80 open?"; |
5 | static S answer; |
6 | static Throwable error; |
7 | |
8 | // pattern, class name, method |
9 | static String[][] entries = {
|
10 | {"is port * open", "ThePortOracle", "isPort_open"},
|
11 | {"what time is it", "TheTimeOracle", "whatTimeIsIt"},
|
12 | {"is * java compilable", "TheJavaOracle", "is_JavaCompilable"},
|
13 | {"is * java-compilable", "TheJavaOracle", "is_JavaCompilable"},
|
14 | {"is * a snippet", "TheSnippetOracle", "is_aSnippet"},
|
15 | }; |
16 | |
17 | static class ThePortOracle {
|
18 | static S isPort_open(S s) {
|
19 | int port = parseInt(s); |
20 | print("I'll check port " + port + "...");
|
21 | boolean b = isPortOpen(port); |
22 | return b ? "Yes, it is open!" : "No, it is not open."; |
23 | } |
24 | } |
25 | |
26 | static class TheTimeOracle {
|
27 | static S whatTimeIsIt() {
|
28 | return "It is " + new java.text.SimpleDateFormat("HH:mm").format(new Date(now())) + ".";
|
29 | } |
30 | } |
31 | |
32 | static class TheJavaOracle {
|
33 | static S is_JavaCompilable(S s) {
|
34 | boolean b = isJavaCompilable(s); |
35 | // Caveat not needed anymore - now function is actually safe |
36 | /*if (b) |
37 | print("This answer is only 99% safe. (See: #1000888)");*/
|
38 | return b ? "Yes." : "No."; |
39 | } |
40 | } |
41 | |
42 | static S answerQuestion(S question) {
|
43 | L<S> tok = parse(question); |
44 | |
45 | for (S[] e : entries) {
|
46 | S[] m = match2(parse(e[0]), tok); |
47 | if (m != null) ctex {
|
48 | Class c = Class.forName("main$" + e[1]);
|
49 | return "" + call(c, e[2], (Object[]) unquoteAll(m)); |
50 | } |
51 | } |
52 | return unknown(question); |
53 | } |
54 | |
55 | static S unknown(S question) {
|
56 | return "? Unknown question: " + question; |
57 | } |
58 | |
59 | p {
|
60 | if (args.length != 0) |
61 | question = smartJoin(args); |
62 | print("Q: " + question);
|
63 | answer = null; |
64 | error = null; |
65 | |
66 | try {
|
67 | answer = answerQuestion(question); |
68 | print("A: " + answer);
|
69 | } catch (Throwable e) {
|
70 | error = e; |
71 | print(getStackTrace(e)); |
72 | print("Internal error!");
|
73 | } |
74 | } |
75 | |
76 | static L<S> parse(S s) {
|
77 | return tokensToLowerCase(dropPunctuation(javaTokPlusPeriod(s))); |
78 | } |
79 | |
80 | static S smartJoin(S[] args) {
|
81 | if (args.length == 1) return args[0]; |
82 | |
83 | S[] a = new S[args.length]; |
84 | for (int i = 0; i < a.length; i++) |
85 | a[i] = args[i].indexOf(' ') >= 0 ? quote(args[i]) : args[i];
|
86 | return join(" ", a);
|
87 | } |
88 | |
89 | static S[] unquoteAll(S[] tokens) {
|
90 | S[] a = new S[tokens.length]; |
91 | for (int i = 0; i < a.length; i++) |
92 | a[i] = unquote(tokens[i]); |
93 | return a; |
94 | } |
95 | } |
Began life as a copy of #1000886
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| Snippet ID: | #1000887 |
| Snippet name: | Answer questions 4 |
| Eternal ID of this version: | #1000887/1 |
| Text MD5: | 68b4422ec994a686484479ca3da3316b |
| Transpilation MD5: | 99aec342cff27a987ca4a2781485f7c1 |
| Author: | stefan |
| Category: | javax |
| Type: | JavaX source code |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2015-09-05 16:23:11 |
| Source code size: | 2571 bytes / 95 lines |
| Pitched / IR pitched: | No / Yes |
| Views / Downloads: | 753 / 1525 |
| Referenced in: | [show references] |