314 строки
8.5 KiB
JavaScript
314 строки
8.5 KiB
JavaScript
(function(){d3.time = {};
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d3.time.format = function(template) {
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var n = template.length;
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function format(date) {
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var string = [],
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i = -1,
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j = 0,
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c,
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f;
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while (++i < n) {
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if (template.charCodeAt(i) == 37) {
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string.push(
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template.substring(j, i),
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(f = d3_time_formats[c = template.charAt(++i)])
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? f(date) : c);
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j = i + 1;
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}
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}
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string.push(template.substring(j, i));
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return string.join("");
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}
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format.parse = function(string) {
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var date = new Date(1900, 0, 1),
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i = d3_time_parse(date, template, string, 0);
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if (i != string.length) return null;
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if (date.hour12) {
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var hours = date.getHours() % 12;
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date.setHours(date.hour12pm ? hours + 12 : hours);
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}
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delete date.hour12;
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delete date.hour12pm;
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return date;
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};
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format.toString = function() {
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return template;
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};
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return format;
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};
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function d3_time_parse(date, template, string, j) {
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var c,
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p,
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i = 0,
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n = template.length,
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m = string.length;
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while (i < n) {
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if (j >= m) return -1;
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c = template.charCodeAt(i++);
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if (c == 37) {
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p = d3_time_parsers[template.charAt(i++)];
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if (!p || ((j = p(date, string, j)) < 0)) return -1;
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} else if (c != string.charCodeAt(j++)) {
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return -1;
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}
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}
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return j;
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}
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var d3_time_zfill2 = d3.format("02d"),
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d3_time_zfill3 = d3.format("03d"),
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d3_time_zfill4 = d3.format("04d"),
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d3_time_sfill2 = d3.format(" 2d");
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var d3_time_formats = {
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a: function(d) { return d3_time_weekdays[d.getDay()].substring(0, 3); },
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A: function(d) { return d3_time_weekdays[d.getDay()]; },
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b: function(d) { return d3_time_months[d.getMonth()].substring(0, 3); },
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B: function(d) { return d3_time_months[d.getMonth()]; },
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c: d3.time.format("%a %b %e %H:%M:%S %Y"),
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d: function(d) { return d3_time_zfill2(d.getDate()); },
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e: function(d) { return d3_time_sfill2(d.getDate()); },
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H: function(d) { return d3_time_zfill2(d.getHours()); },
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I: function(d) { return d3_time_zfill2(d.getHours() % 12 || 12); },
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j: d3_time_dayOfYear,
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m: function(d) { return d3_time_zfill2(d.getMonth() + 1); },
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M: function(d) { return d3_time_zfill2(d.getMinutes()); },
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p: function(d) { return d.getHours() >= 12 ? "PM" : "AM"; },
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S: function(d) { return d3_time_zfill2(d.getSeconds()); },
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U: d3_time_weekNumberSunday,
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w: function(d) { return d.getDay(); },
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W: d3_time_weekNumberMonday,
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x: d3.time.format("%m/%d/%y"),
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X: d3.time.format("%H:%M:%S"),
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y: function(d) { return d3_time_zfill2(d.getYear() % 100); },
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Y: function(d) { return d3_time_zfill4(d.getFullYear() % 10000); },
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Z: d3_time_zone,
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"%": function(d) { return "%"; }
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};
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var d3_time_parsers = {
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a: d3_time_parseWeekdayAbbrev,
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A: d3_time_parseWeekday,
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b: d3_time_parseMonthAbbrev,
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B: d3_time_parseMonth,
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c: d3_time_parseLocaleFull,
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d: d3_time_parseDay,
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e: d3_time_parseDay,
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H: d3_time_parseHour24,
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I: d3_time_parseHour12,
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// j: function(d, s, i) { /*TODO day of year [001,366] */ return i; },
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m: d3_time_parseMonthNumber,
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M: d3_time_parseMinutes,
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p: d3_time_parseAmPm,
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S: d3_time_parseSeconds,
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// U: function(d, s, i) { /*TODO week number (sunday) [00,53] */ return i; },
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// w: function(d, s, i) { /*TODO weekday [0,6] */ return i; },
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// W: function(d, s, i) { /*TODO week number (monday) [00,53] */ return i; },
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x: d3_time_parseLocaleDate,
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X: d3_time_parseLocaleTime,
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y: d3_time_parseYear,
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Y: d3_time_parseFullYear
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// ,
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// Z: function(d, s, i) { /*TODO time zone */ return i; },
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// "%": function(d, s, i) { /*TODO literal % */ return i; }
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};
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// Note: weekday is validated, but does not set the date.
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function d3_time_parseWeekdayAbbrev(date, string, i) {
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return string.substring(i, i += 3).toLowerCase() in d3_time_weekdayAbbrevLookup ? i : -1;
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}
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var d3_time_weekdayAbbrevLookup = {
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sun: 3,
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mon: 3,
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tue: 3,
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wed: 3,
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thu: 3,
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fri: 3,
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sat: 3
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};
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// Note: weekday is validated, but does not set the date.
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function d3_time_parseWeekday(date, string, i) {
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d3_time_weekdayRe.lastIndex = 0;
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var n = d3_time_weekdayRe.exec(string.substring(i, i + 10));
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return n ? i += n[0].length : -1;
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}
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var d3_time_weekdayRe = /^(?:Sunday|Monday|Tuesday|Wednesday|Thursday|Friday|Saturday)/ig;
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var d3_time_weekdays = [
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"Sunday",
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"Monday",
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"Tuesday",
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"Wednesday",
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"Thursday",
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"Friday",
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"Saturday"
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];
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function d3_time_parseMonthAbbrev(date, string, i) {
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var n = d3_time_monthAbbrevLookup[string.substring(i, i += 3).toLowerCase()];
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return n == null ? -1 : (date.setMonth(n), i);
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}
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var d3_time_monthAbbrevLookup = {
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jan: 0,
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feb: 1,
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mar: 2,
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apr: 3,
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may: 4,
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jun: 5,
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jul: 6,
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aug: 7,
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sep: 8,
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oct: 9,
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nov: 10,
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dec: 11
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};
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function d3_time_parseMonth(date, string, i) {
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d3_time_monthRe.lastIndex = 0;
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var n = d3_time_monthRe.exec(string.substring(i, i + 12));
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return n ? (date.setMonth(d3_time_monthLookup[n[0].toLowerCase()]), i += n[0].length) : -1;
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}
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var d3_time_monthRe = /^(?:January|February|March|April|May|June|July|August|September|October|November|December)/ig;
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var d3_time_monthLookup = {
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january: 0,
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february: 1,
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march: 2,
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april: 3,
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may: 4,
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june: 5,
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july: 6,
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august: 7,
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september: 8,
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october: 9,
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november: 10,
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december: 11
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};
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var d3_time_months = [
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"January",
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"February",
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"March",
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"April",
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"May",
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"June",
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"July",
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"August",
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"September",
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"October",
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"November",
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"December"
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];
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function d3_time_parseLocaleFull(date, string, i) {
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return d3_time_parse(date, d3_time_formats.c.toString(), string, i);
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}
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function d3_time_parseLocaleDate(date, string, i) {
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return d3_time_parse(date, d3_time_formats.x.toString(), string, i);
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}
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function d3_time_parseLocaleTime(date, string, i) {
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return d3_time_parse(date, d3_time_formats.X.toString(), string, i);
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}
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function d3_time_parseFullYear(date, string, i) {
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d3_time_number4Re.lastIndex = 0;
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var n = d3_time_number4Re.exec(string.substring(i, i + 4));
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return n ? (date.setFullYear(n[0]), i += n[0].length) : -1;
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}
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function d3_time_parseYear(date, string, i) {
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d3_time_number2Re.lastIndex = 0;
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var n = d3_time_number2Re.exec(string.substring(i, i + 2));
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return n ? (date.setFullYear(d3_time_century() + +n[0]), i += n[0].length) : -1;
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}
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function d3_time_century() {
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return ~~(new Date().getFullYear() / 1000) * 1000;
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}
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function d3_time_parseMonthNumber(date, string, i) {
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d3_time_number2Re.lastIndex = 0;
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var n = d3_time_number2Re.exec(string.substring(i, i + 2));
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return n ? (date.setMonth(n[0] - 1), i += n[0].length) : -1;
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}
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function d3_time_parseDay(date, string, i) {
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d3_time_number2Re.lastIndex = 0;
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var n = d3_time_number2Re.exec(string.substring(i, i + 2));
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return n ? (date.setDate(+n[0]), i += n[0].length) : -1;
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}
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// Note: we don't validate that the hour is in the range [0,23].
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function d3_time_parseHour24(date, string, i) {
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d3_time_number2Re.lastIndex = 0;
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var n = d3_time_number2Re.exec(string.substring(i, i + 2));
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return n ? (date.setHours(+n[0]), i += n[0].length) : -1;
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}
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// Note: we don't validate that the hour is in the range [1,12].
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function d3_time_parseHour12(date, string, i) {
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date.hour12 = true;
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return d3_time_parseHour24(date, string, i);
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}
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function d3_time_parseMinutes(date, string, i) {
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d3_time_number2Re.lastIndex = 0;
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var n = d3_time_number2Re.exec(string.substring(i, i + 2));
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return n ? (date.setMinutes(+n[0]), i += n[0].length) : -1;
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}
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function d3_time_parseSeconds(date, string, i) {
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d3_time_number2Re.lastIndex = 0;
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var n = d3_time_number2Re.exec(string.substring(i, i + 2));
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return n ? (date.setSeconds(+n[0]), i += n[0].length) : -1;
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}
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// Note: we don't look at the next directive.
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var d3_time_number2Re = /[\s\d]{1,2}/,
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d3_time_number4Re = /[\s\d]{1,4}/;
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function d3_time_parseAmPm(date, string, i) {
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var n = d3_time_amPmLookup[string.substring(i, i += 2).toLowerCase()];
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return n == null ? -1 : (date.hour12pm = n, i);
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}
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var d3_time_amPmLookup = {
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am: 0,
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pm: 1
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};
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function d3_time_dayOfYear(d) {
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return d3_time_zfill3(1 + ~~((d - new Date(d.getFullYear(), 0, 1)) / 864e5));
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}
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function d3_time_weekNumberSunday(d) {
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var d0 = new Date(d.getFullYear(), 0, 1);
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return d3_time_zfill2(~~(((d - d0) / 864e5 + d0.getDay()) / 7));
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}
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function d3_time_weekNumberMonday(d) {
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var d0 = new Date(d.getFullYear(), 0, 1);
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return d3_time_zfill2(~~(((d - d0) / 864e5 + (d0.getDay() + 6) % 7) / 7));
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}
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// TODO table of time zone offset names?
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function d3_time_zone(d) {
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var z = d.getTimezoneOffset(),
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zs = z > 0 ? "-" : "+",
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zh = ~~(Math.abs(z) / 60),
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zm = Math.abs(z) % 60;
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return zs + d3_time_zfill2(zh) + d3_time_zfill2(zm);
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}
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})() |