| 'use strict'; |
| |
| var Type = require('../type'); |
| |
| var YAML_DATE_REGEXP = new RegExp( |
| '^([0-9][0-9][0-9][0-9])' + // [1] year |
| '-([0-9][0-9])' + // [2] month |
| '-([0-9][0-9])$'); // [3] day |
| |
| var YAML_TIMESTAMP_REGEXP = new RegExp( |
| '^([0-9][0-9][0-9][0-9])' + // [1] year |
| '-([0-9][0-9]?)' + // [2] month |
| '-([0-9][0-9]?)' + // [3] day |
| '(?:[Tt]|[ \\t]+)' + // ... |
| '([0-9][0-9]?)' + // [4] hour |
| ':([0-9][0-9])' + // [5] minute |
| ':([0-9][0-9])' + // [6] second |
| '(?:\\.([0-9]*))?' + // [7] fraction |
| '(?:[ \\t]*(Z|([-+])([0-9][0-9]?)' + // [8] tz [9] tz_sign [10] tz_hour |
| '(?::([0-9][0-9]))?))?$'); // [11] tz_minute |
| |
| function resolveYamlTimestamp(data) { |
| if (data === null) return false; |
| if (YAML_DATE_REGEXP.exec(data) !== null) return true; |
| if (YAML_TIMESTAMP_REGEXP.exec(data) !== null) return true; |
| return false; |
| } |
| |
| function constructYamlTimestamp(data) { |
| var match, year, month, day, hour, minute, second, fraction = 0, |
| delta = null, tz_hour, tz_minute, date; |
| |
| match = YAML_DATE_REGEXP.exec(data); |
| if (match === null) match = YAML_TIMESTAMP_REGEXP.exec(data); |
| |
| if (match === null) throw new Error('Date resolve error'); |
| |
| // match: [1] year [2] month [3] day |
| |
| year = +(match[1]); |
| month = +(match[2]) - 1; // JS month starts with 0 |
| day = +(match[3]); |
| |
| if (!match[4]) { // no hour |
| return new Date(Date.UTC(year, month, day)); |
| } |
| |
| // match: [4] hour [5] minute [6] second [7] fraction |
| |
| hour = +(match[4]); |
| minute = +(match[5]); |
| second = +(match[6]); |
| |
| if (match[7]) { |
| fraction = match[7].slice(0, 3); |
| while (fraction.length < 3) { // milli-seconds |
| fraction += '0'; |
| } |
| fraction = +fraction; |
| } |
| |
| // match: [8] tz [9] tz_sign [10] tz_hour [11] tz_minute |
| |
| if (match[9]) { |
| tz_hour = +(match[10]); |
| tz_minute = +(match[11] || 0); |
| delta = (tz_hour * 60 + tz_minute) * 60000; // delta in mili-seconds |
| if (match[9] === '-') delta = -delta; |
| } |
| |
| date = new Date(Date.UTC(year, month, day, hour, minute, second, fraction)); |
| |
| if (delta) date.setTime(date.getTime() - delta); |
| |
| return date; |
| } |
| |
| function representYamlTimestamp(object /*, style*/) { |
| return object.toISOString(); |
| } |
| |
| module.exports = new Type('tag:yaml.org,2002:timestamp', { |
| kind: 'scalar', |
| resolve: resolveYamlTimestamp, |
| construct: constructYamlTimestamp, |
| instanceOf: Date, |
| represent: representYamlTimestamp |
| }); |