1 Date._getParseRegExp = function Date$_getParseRegExp(dtf, format) {
2 if (!dtf._parseRegExp) {
3 dtf._parseRegExp = {};
4 }
5 else if (dtf._parseRegExp[format]) {
6 return dtf._parseRegExp[format];
7 }
8 var expFormat = Date._expandFormat(dtf, format);
9 expFormat = expFormat.replace(/([\^\$\.\*\+\?\|\[\]\(\)\{\}])/g, "\\\\$1");
10 var regexp = new Sys.StringBuilder("^");
11 var groups = [];
12 var index = 0;
13 var quoteCount = 0;
14 var tokenRegExp = Date._getTokenRegExp();
15 var match;
16 while ((match = tokenRegExp.exec(expFormat)) !== null) {
17 var preMatch = expFormat.slice(index, match.index);
18 index = tokenRegExp.lastIndex;
19 quoteCount += Date._appendPreOrPostMatch(preMatch, regexp);
20 if ((quoteCount%2) === 1) {
21 regexp.append(match[0]);
22 continue;
23 }
24 switch (match[0]) {
25 case 'dddd': case 'ddd':
26 case 'MMMM': case 'MMM':
27 regexp.append("(\\D+)");
28 break;
29 case 'tt': case 't':
30 regexp.append("(\\D*)");
31 break;
32 case 'yyyy':
33 regexp.append("(\\d{4})");
34 break;
35 case 'fff':
36 regexp.append("(\\d{3})");
37 break;
38 case 'ff':
39 regexp.append("(\\d{2})");
40 break;
41 case 'f':
42 regexp.append("(\\d)");
43 break;
44 case 'dd': case 'd':
45 case 'MM': case 'M':
46 case 'yy': case 'y':
47 case 'HH': case 'H':
48 case 'hh': case 'h':
49 case 'mm': case 'm':
50 case 'ss': case 's':
51 regexp.append("(\\d\\d?)");
52 break;
53 case 'zzz':
54 regexp.append("([+-]?\\d\\d?:\\d{2})");
55 break;
56 case 'zz': case 'z':
57 regexp.append("([+-]?\\d\\d?)");
58 break;
59 }
60 Array.add(groups, match[0]);
61 }
62 Date._appendPreOrPostMatch(expFormat.slice(index), regexp);
63 regexp.append("$");
64 var regexpStr = regexp.toString().replace(/\s+/g, "\\s+");
65 var parseRegExp = {'regExp': regexpStr, 'groups': groups};
66 dtf._parseRegExp[format] = parseRegExp;
67 return parseRegExp;
68 }
