Verzeichnisstruktur phpBB-3.3.15
- Veröffentlicht
- 28.08.2024
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AbstractScript.js
01 /**
02 * @param {string} tagName Name of the tag used by this pass
03 * @param {string} syntaxChar Relevant character used by this syntax
04 * @param {!RegExp} shortRegexp Regexp used for the short form syntax
05 * @param {!RegExp} longRegexp Regexp used for the long form syntax
06 */
07 function parseAbstractScript(tagName, syntaxChar, shortRegexp, longRegexp)
08 {
09 var pos = text.indexOf(syntaxChar);
10 if (pos === -1)
11 {
12 return;
13 }
14
15 parseShortForm(pos);
16 parseLongForm(pos);
17
18 /**
19 * Parse the long form x^(x)
20 *
21 * This syntax is supported by RDiscount
22 *
23 * @param {number} pos Position of the first relevant character
24 */
25 function parseLongForm(pos)
26 {
27 pos = text.indexOf(syntaxChar + '(', pos);
28 if (pos === -1)
29 {
30 return;
31 }
32
33 var m, regexp = longRegexp;
34 regexp.lastIndex = pos;
35 while (m = regexp.exec(text))
36 {
37 var match = m[0],
38 matchPos = m.index,
39 matchLen = match.length;
40
41 addTagPair(tagName, matchPos, 2, matchPos + matchLen - 1, 1);
42 overwrite(matchPos, matchLen);
43 }
44 if (match)
45 {
46 parseLongForm(pos);
47 }
48 }
49
50 /**
51 * Parse the short form x^x and x^x^
52 *
53 * This syntax is supported by most implementations that support superscript
54 *
55 * @param {number} pos Position of the first relevant character
56 */
57 function parseShortForm(pos)
58 {
59 var m, regexp = shortRegexp;
60 regexp.lastIndex = pos;
61 while (m = regexp.exec(text))
62 {
63 var match = m[0],
64 matchPos = m.index,
65 matchLen = match.length,
66 startPos = matchPos,
67 endLen = (match.charAt(matchLen - 1) === syntaxChar) ? 1 : 0,
68 endPos = matchPos + matchLen - endLen;
69
70 addTagPair(tagName, startPos, 1, endPos, endLen);
71 }
72 }
73 }