/django/contrib/admin/media/js/timeparse.js

 1var timeParsePatterns = [
 2    // 9
 3    {   re: /^\d{1,2}$/i,
 4        handler: function(bits) {
 5            if (bits[0].length == 1) {
 6                return '0' + bits[0] + ':00';
 7            } else {
 8                return bits[0] + ':00';
 9            }
10        }
11    },
12    // 13:00
13    {   re: /^\d{2}[:.]\d{2}$/i,
14        handler: function(bits) {
15            return bits[0].replace('.', ':');
16        }
17    },
18    // 9:00
19    {   re: /^\d[:.]\d{2}$/i,
20        handler: function(bits) {
21            return '0' + bits[0].replace('.', ':');
22        }
23    },
24    // 3 am / 3 a.m. / 3am
25    {   re: /^(\d+)\s*([ap])(?:.?m.?)?$/i,
26        handler: function(bits) {
27            var hour = parseInt(bits[1]);
28            if (hour == 12) {
29                hour = 0;
30            }
31            if (bits[2].toLowerCase() == 'p') {
32                if (hour == 12) {
33                    hour = 0;
34                }
35                return (hour + 12) + ':00';
36            } else {
37                if (hour < 10) {
38                    return '0' + hour + ':00';
39                } else {
40                    return hour + ':00';
41                }
42            }
43        }
44    },
45    // 3.30 am / 3:15 a.m. / 3.00am
46    {   re: /^(\d+)[.:](\d{2})\s*([ap]).?m.?$/i,
47        handler: function(bits) {
48            var hour = parseInt(bits[1]);
49            var mins = parseInt(bits[2]);
50            if (mins < 10) {
51                mins = '0' + mins;
52            }
53            if (hour == 12) {
54                hour = 0;
55            }
56            if (bits[3].toLowerCase() == 'p') {
57                if (hour == 12) {
58                    hour = 0;
59                }
60                return (hour + 12) + ':' + mins;
61            } else {
62                if (hour < 10) {
63                    return '0' + hour + ':' + mins;
64                } else {
65                    return hour + ':' + mins;
66                }
67            }
68        }
69    },
70    // noon
71    {   re: /^no/i,
72        handler: function(bits) {
73            return '12:00';
74        }
75    },
76    // midnight
77    {   re: /^mid/i,
78        handler: function(bits) {
79            return '00:00';
80        }
81    }
82];
83
84function parseTimeString(s) {
85    for (var i = 0; i < timeParsePatterns.length; i++) {
86        var re = timeParsePatterns[i].re;
87        var handler = timeParsePatterns[i].handler;
88        var bits = re.exec(s);
89        if (bits) {
90            return handler(bits);
91        }
92    }
93    return s;
94}