1 | // who knows whether this is correct... |
2 | // I did add ` strings |
3 | |
4 | static List<String> mysqlTok(String s) {
|
5 | List<String> tok = new ArrayList<String>(); |
6 | int l = s.length(); |
7 | |
8 | int i = 0; |
9 | while (i < l) {
|
10 | int j = i; |
11 | char c; String cc; |
12 | |
13 | // scan for whitespace |
14 | while (j < l) {
|
15 | c = s.charAt(j); |
16 | cc = s.substring(j, Math.min(j+2, l)); |
17 | if (c == ' ' || c == '\t' || c == '\r' || c == '\n') |
18 | ++j; |
19 | else if (cc.equals("/*")) {
|
20 | do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/"));
|
21 | j = Math.min(j+2, l); |
22 | } else if (cc.equals("//")) {
|
23 | do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0); |
24 | } else |
25 | break; |
26 | } |
27 | |
28 | tok.add(s.substring(i, j)); |
29 | i = j; |
30 | if (i >= l) break; |
31 | c = s.charAt(i); // cc is not needed in rest of loop body |
32 | |
33 | // scan for non-whitespace |
34 | if (c == '\'' || c == '"' || c == '`') {
|
35 | char opener = c; |
36 | ++j; |
37 | while (j < l) {
|
38 | if (s.charAt(j) == opener) {
|
39 | ++j; |
40 | break; |
41 | } else if (s.charAt(j) == '\\' && j+1 < l) |
42 | j += 2; |
43 | else |
44 | ++j; |
45 | } |
46 | } else if (Character.isLetter(c)) |
47 | do ++j; while (j < l && Character.isLetterOrDigit(s.charAt(j))); |
48 | else if (Character.isDigit(c)) |
49 | do ++j; while (j < l && Character.isDigit(s.charAt(j))); |
50 | else |
51 | ++j; |
52 | |
53 | tok.add(s.substring(i, j)); |
54 | i = j; |
55 | } |
56 | |
57 | if ((tok.size() % 2) == 0) tok.add("");
|
58 | return tok; |
59 | } |
Began life as a copy of #728
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| Snippet ID: | #1000647 |
| Snippet name: | mysqlTok function - MySQL tokenizer |
| Eternal ID of this version: | #1000647/1 |
| Text MD5: | 4e6c9de3b807da29e358aae4313e7640 |
| Author: | stefan |
| Category: | |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2015-08-22 16:26:14 |
| Source code size: | 1553 bytes / 59 lines |
| Pitched / IR pitched: | No / Yes |
| Views / Downloads: | 764 / 1024 |
| Referenced in: | [show references] |