1 | please include function javaTok. |
2 | |
3 | static List<String> javaTokWithExisting(String s, L<S> existing) { |
4 | ++javaTok_n; |
5 | int nExisting = javaTok_opt && existing != null ? existing.size() : 0; |
6 | ArrayList<String> tok = existing != null ? new ArrayList(nExisting) : new ArrayList(); |
7 | int l = s.length(); |
8 | |
9 | int i = 0, n = 0; |
10 | while (i < l) { |
11 | int j = i; |
12 | char c, d; |
13 | |
14 | // scan for whitespace |
15 | while (j < l) { |
16 | c = s.charAt(j); |
17 | d = j+1 >= l ? '\0' : s.charAt(j+1); |
18 | if (c == ' ' || c == '\t' || c == '\r' || c == '\n') |
19 | ++j; |
20 | else if (c == '/' && d == '*') { |
21 | do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/")); |
22 | j = Math.min(j+2, l); |
23 | } else if (c == '/' && d == '/') { |
24 | do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0); |
25 | } else |
26 | break; |
27 | } |
28 | |
29 | if (n < nExisting && javaTokWithExisting_isCopyable(existing.get(n), s, i, j)) |
30 | tok.add(existing.get(n)); |
31 | else |
32 | tok.add(javaTok_substringN(s, i, j)); |
33 | ++n; |
34 | i = j; |
35 | if (i >= l) break; |
36 | c = s.charAt(i); |
37 | d = i+1 >= l ? '\0' : s.charAt(i+1); |
38 | |
39 | // scan for non-whitespace |
40 | |
41 | // Special JavaX syntax: 'identifier |
42 | if (c == '\'' && Character.isJavaIdentifierStart(d) && i+2 < l && "'\\".indexOf(s.charAt(i+2)) < 0) { |
43 | j += 2; |
44 | while (j < l && Character.isJavaIdentifierPart(s.charAt(j))) |
45 | ++j; |
46 | } else if (c == '\'' || c == '"') { |
47 | char opener = c; |
48 | ++j; |
49 | while (j < l) { |
50 | if (s.charAt(j) == opener /*|| s.charAt(j) == '\n'*/) { // allow multi-line strings |
51 | ++j; |
52 | break; |
53 | } else if (s.charAt(j) == '\\' && j+1 < l) |
54 | j += 2; |
55 | else |
56 | ++j; |
57 | } |
58 | } else if (Character.isJavaIdentifierStart(c)) |
59 | do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || "'".indexOf(s.charAt(j)) >= 0)); // for stuff like "don't" |
60 | else if (Character.isDigit(c)) { |
61 | do ++j; while (j < l && Character.isDigit(s.charAt(j))); |
62 | if (j < l && s.charAt(j) == 'L') ++j; // Long constants like 1L |
63 | } else if (c == '[' && d == '[') { |
64 | do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]")); |
65 | j = Math.min(j+2, l); |
66 | } else if (c == '[' && d == '=' && i+2 < l && s.charAt(i+2) == '[') { |
67 | do ++j; while (j+2 < l && !s.substring(j, j+3).equals("]=]")); |
68 | j = Math.min(j+3, l); |
69 | } else |
70 | ++j; |
71 | |
72 | if (n < nExisting && javaTokWithExisting_isCopyable(existing.get(n), s, i, j)) |
73 | tok.add(existing.get(n)); |
74 | else |
75 | tok.add(javaTok_substringC(s, i, j)); |
76 | ++n; |
77 | i = j; |
78 | } |
79 | |
80 | if ((tok.size() % 2) == 0) tok.add(""); |
81 | javaTok_elements += tok.size(); |
82 | return tok; |
83 | } |
84 | |
85 | static bool javaTokWithExisting_isCopyable(S t, S s, int i, int j) { |
86 | ret t.length() == j-i |
87 | && s.regionMatches(i, t, 0, j-i); // << could be left out, but that's brave |
88 | } |
Began life as a copy of #1000688
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Snippet ID: | #1013521 |
Snippet name: | javaTokWithExisting |
Eternal ID of this version: | #1013521/4 |
Text MD5: | aac89d3011d1086fa365589204239426 |
Author: | stefan |
Category: | |
Type: | JavaX fragment (include) |
Public (visible to everyone): | Yes |
Archived (hidden from active list): | No |
Created/modified: | 2018-01-08 03:16:17 |
Source code size: | 2975 bytes / 88 lines |
Pitched / IR pitched: | No / No |
Views / Downloads: | 490 / 546 |
Version history: | 3 change(s) |
Referenced in: | [show references] |