1 | public static String unquote_prev(String s) {
|
2 | if (s == null) return null; |
3 | if (s.startsWith("[")) {
|
4 | int i = 1; |
5 | while (i < s.length() && s.charAt(i) == '=') ++i; |
6 | if (i < s.length() && s.charAt(i) == '[') {
|
7 | String m = s.substring(1, i); |
8 | if (s.endsWith("]" + m + "]"))
|
9 | return s.substring(i+1, s.length()-i-1); |
10 | } |
11 | } |
12 | |
13 | if (s.startsWith("\"") /*&& s.endsWith("\"")*/ && s.length() > 1) {
|
14 | String st = s.substring(1, s.endsWith("\"") ? s.length()-1 : s.length());
|
15 | StringBuilder sb = new StringBuilder(st.length()); |
16 | |
17 | for (int i = 0; i < st.length(); i++) {
|
18 | char ch = st.charAt(i); |
19 | if (ch == '\\') {
|
20 | char nextChar = (i == st.length() - 1) ? '\\' : st |
21 | .charAt(i + 1); |
22 | // Octal escape? |
23 | if (nextChar >= '0' && nextChar <= '7') {
|
24 | String code = "" + nextChar; |
25 | i++; |
26 | if ((i < st.length() - 1) && st.charAt(i + 1) >= '0' |
27 | && st.charAt(i + 1) <= '7') {
|
28 | code += st.charAt(i + 1); |
29 | i++; |
30 | if ((i < st.length() - 1) && st.charAt(i + 1) >= '0' |
31 | && st.charAt(i + 1) <= '7') {
|
32 | code += st.charAt(i + 1); |
33 | i++; |
34 | } |
35 | } |
36 | sb.append((char) Integer.parseInt(code, 8)); |
37 | continue; |
38 | } |
39 | switch (nextChar) {
|
40 | case '\\': |
41 | ch = '\\'; |
42 | break; |
43 | case 'b': |
44 | ch = '\b'; |
45 | break; |
46 | case 'f': |
47 | ch = '\f'; |
48 | break; |
49 | case 'n': |
50 | ch = '\n'; |
51 | break; |
52 | case 'r': |
53 | ch = '\r'; |
54 | break; |
55 | case 't': |
56 | ch = '\t'; |
57 | break; |
58 | case '\"': |
59 | ch = '\"'; |
60 | break; |
61 | case '\'': |
62 | ch = '\''; |
63 | break; |
64 | // Hex Unicode: u???? |
65 | case 'u': |
66 | if (i >= st.length() - 5) {
|
67 | ch = 'u'; |
68 | break; |
69 | } |
70 | int code = Integer.parseInt( |
71 | "" + st.charAt(i + 2) + st.charAt(i + 3) |
72 | + st.charAt(i + 4) + st.charAt(i + 5), 16); |
73 | sb.append(Character.toChars(code)); |
74 | i += 5; |
75 | continue; |
76 | default: |
77 | ch = nextChar; // added by Stefan |
78 | } |
79 | i++; |
80 | } |
81 | sb.append(ch); |
82 | } |
83 | return sb.toString(); |
84 | } else |
85 | return s; // return original |
86 | } |
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| Snippet ID: | #1005609 |
| Snippet name: | unquote_prev (previous, known to work) |
| Eternal ID of this version: | #1005609/1 |
| Text MD5: | 32679aea839c0b19ab601e9c037e1147 |
| Author: | stefan |
| Category: | javax |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2016-11-29 16:31:35 |
| Source code size: | 2579 bytes / 86 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 553 / 867 |
| Referenced in: | [show references] |