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1 | static class TableFinder {
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2 | LS tok; // list of tokens in HTML document |
3 | LS table; // list of tokens in table |
4 | LLS rows; // for every row, list of tokens in row |
5 | LLS data; // for every row, for every cell, inner data |
6 | int i; |
7 | boolean debug; |
8 | |
9 | *() {}
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10 | *(S html) { go(html); }
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11 | *(S html, bool findFirstTable) { go(html, findFirstTable); }
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12 | |
13 | void go(S html) { go(html, true); }
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14 | void go(S html, bool findFirstTable) {
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15 | tok = htmlcoarsetok(html); |
16 | i = 1; |
17 | if (findFirstTable) findTable(); |
18 | } |
19 | |
20 | boolean findTable() {
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21 | if (debug) print("Finding table.");
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22 | for (; i < tok.size(); i += 2) |
23 | if (isTag(tok.get(i), "table")) |
24 | for (int j = i+2; j < tok.size(); j += 2) |
25 | if (isTag(tok.get(j), "/table")) {
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26 | if (debug) print("Table found!");
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27 | table = tok.subList(i-1, j+2); |
28 | findRows(); |
29 | i = j; |
30 | return true; |
31 | } |
32 | ret false; |
33 | } |
34 | |
35 | void findRows() {
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36 | L<S> tok = table; |
37 | rows = new ArrayList<List<S>>(); |
38 | data = new ArrayList<List<S>>(); |
39 | int rowStart = 0; |
40 | |
41 | for (int i = 1; i < table.size(); i += 2) {
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42 | //print(tok.get(i)); |
43 | if (isTag(tok.get(i), "tr")) |
44 | rowStart = i; |
45 | else if (isTag(tok.get(i), "/tr") && rowStart != 0) {
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46 | L<S> row = table.subList(rowStart-1, i+2); |
47 | rows.add(row); |
48 | data.add(getData(row)); |
49 | } |
50 | } |
51 | |
52 | if (debug) print(rows.size() + " row(s)"); |
53 | if (debug) print("Top left cell: " + data.get(0).get(0));
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54 | } |
55 | |
56 | boolean isTag(S token, S tag) {
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57 | return token.regionMatches(true, 0, "<" + tag + " ", 0, tag.length()+2) |
58 | || token.regionMatches(true, 0, "<" + tag + ">", 0, tag.length()+2); |
59 | } |
60 | |
61 | // called internally |
62 | L<S> getData(L<S> row) {
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63 | int colStart = 0; |
64 | new L<S> cols; |
65 | |
66 | for (int i = 1; i < row.size(); i += 2) {
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67 | S t = row.get(i); |
68 | if (isTag(t, "td") || isTag(t, "th")) |
69 | colStart = i; |
70 | else if ((isTag(t, "/td") || isTag(t, "/th")) && colStart != 0) |
71 | cols.add(join(row.subList(colStart+1, i))); |
72 | } |
73 | return cols; |
74 | } |
75 | |
76 | // for clients |
77 | L<S> getRow(int row) {
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78 | return data.get(row); |
79 | } |
80 | |
81 | LL<S> rows() { ret data; }
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82 | } |
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| Snippet ID: | #1000850 |
| Snippet name: | TableFinder (find tables in HTML) |
| Eternal ID of this version: | #1000850/7 |
| Text MD5: | 829cb943594f764d8ab50569b11d4434 |
| Transpilation MD5: | ad76960d33322c3eecaabbdc984d97b6 |
| Author: | stefan |
| Category: | javax |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2020-03-17 13:36:15 |
| Source code size: | 2276 bytes / 82 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 684 / 2876 |
| Version history: | 6 change(s) |
| Referenced in: | [show references] |