1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 | 660x 330x 330x 95x 190x 190x 139x 1x 138x 183x 183x 119x 19x 64x 9x 9x 24x 9x 32x 32x 32x 32x 32x 32x 86x 86x 95x 95x 95x 95x 95x 32x 4x 4x 32x 20x 20x 20x 15x 20x 32x 16x 16x 16x 4x 12x 3x 9x 16x 16x 32x 32x 32x 2x 2x 2x 2x 2x 2x 110x 16x 4x 9x | import { Util } from './util'; import { English } from './english'; import { FixedOffsetZone } from '../zones/fixedOffsetZone'; function combineRegexes(...regexes) { const full = regexes.reduce((f, r) => f + r.source, ''); return RegExp(full); } function combineExtractors(...extractors) { return m => extractors .reduce( ([mergedVals, mergedZone, cursor], ex) => { const [val, zone, next] = ex(m, cursor); return [Object.assign(mergedVals, val), mergedZone || zone, next]; }, [{}, null, 1] ) .slice(0, 2); } function parse(s, ...patterns) { if (s == null) { return [null, null]; } for (const [regex, extractor] of patterns) { const m = regex.exec(s); if (m) { return extractor(m); } } return [null, null]; } function simpleParse(...keys) { return (match, cursor) => { const ret = {}; let i; for (i = 0; i < keys.length; i++) { ret[keys[i]] = parseInt(match[cursor + i]); } return [ret, null, cursor + i]; }; } // ISO parsing const isoTimeRegex = /(?:T(\d\d)(?::?(\d\d)(?::?(\d\d)(?:[.,](\d\d\d))?)?)?(?:(Z)|([+-]\d\d)(?::?(\d\d))?)?)?$/, isoYmdRegex = /^([+-]\d{6}|\d{4})(?:-?(\d\d)(?:-?(\d\d))?)?/, isoWeekRegex = /^(\d{4})-?W(\d\d)-?(\d)/, isoOrdinalRegex = /^(\d{4})-?(\d{3})/, extractISOWeekData = simpleParse('weekYear', 'weekNumber', 'weekDay'), extractISOOrdinalData = simpleParse('year', 'ordinal'); function extractISOYmd(match, cursor) { const item = { year: parseInt(match[cursor]), month: parseInt(match[cursor + 1]) || 1, day: parseInt(match[cursor + 2]) || 1 }; return [item, null, cursor + 3]; } function extractISOTime(match, cursor) { const local = !match[cursor + 4] && !match[cursor + 5], fullOffset = Util.signedOffset(match[cursor + 5], match[cursor + 6]), item = { hour: parseInt(match[cursor]) || 0, minute: parseInt(match[cursor + 1]) || 0, second: parseInt(match[cursor + 2]) || 0, millisecond: parseInt(match[cursor + 3]) || 0 }, zone = local ? null : new FixedOffsetZone(fullOffset); return [item, zone, cursor + 7]; } // ISO duration parsing const isoDuration = /^P(?:(\d+)Y)?(?:(\d+)M)?(?:(\d+)D)?(?:T(?:(\d+)H)?(?:(\d+)M)?(?:(\d+)S)?)?$/; function extractISODuration(match) { const [, yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr] = match; return { year: parseInt(yearStr), month: parseInt(monthStr), day: parseInt(dayStr), hour: parseInt(hourStr), minute: parseInt(minuteStr), second: parseInt(secondStr) }; } // These are a little braindead. EDT *should* tell us that we're in, say, America/New_York // and not just that we're in -240 *right now*. But since I don't think these are used that often // I'm just going to ignore that const obsOffsets = { GMT: 0, EDT: -4 * 60, EST: -5 * 60, CDT: -5 * 60, CST: -6 * 60, MDT: -6 * 60, MST: -7 * 60, PDT: -7 * 60, PST: -8 * 60 }; function fromStrings(weekdayStr, yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr) { const result = { year: yearStr.length === 2 ? Util.untrucateYear(parseInt(yearStr)) : parseInt(yearStr), month: English.monthsShort.indexOf(monthStr) + 1, day: parseInt(dayStr), hour: parseInt(hourStr), minute: parseInt(minuteStr) }; if (secondStr) result.second = parseInt(secondStr); if (weekdayStr) { result.weekday = weekdayStr.length > 3 ? English.weekdaysLong.indexOf(weekdayStr) + 1 : English.weekdaysShort.indexOf(weekdayStr) + 1; } return result; } // RFC 2822/5322 const rfc2822 = /^(?:(Mon|Tue|Wed|Thu|Fri|Sat|Sun),\s)?(\d{1,2})\s(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s(\d{2,4})\s(\d\d):(\d\d)(?::(\d\d))?\s(?:(UT|GMT|[ECMP][SD]T)|([Zz])|(?:([+-]\d\d)(\d\d)))$/; function extractRFC2822(match) { const [ , weekdayStr, dayStr, monthStr, yearStr, hourStr, minuteStr, secondStr, obsOffset, milOffset, offHourStr, offMinuteStr ] = match, result = fromStrings(weekdayStr, yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr); let offset; if (obsOffset) { offset = obsOffsets[obsOffset]; } else if (milOffset) { offset = 0; } else { offset = Util.signedOffset(offHourStr, offMinuteStr); } return [result, new FixedOffsetZone(offset)]; } function preprocessRFC2822(s) { // Remove comments and folding whitespace and replace multiple-spaces with a single space return s .replace(/\([^)]*\)|[\n\t]/g, ' ') .replace(/(\s\s+)/g, ' ') .trim(); } // http date const rfc1123 = /^(Mon|Tue|Wed|Thu|Fri|Sat|Sun), (\d\d) (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) (\d{4}) (\d\d):(\d\d):(\d\d) GMT$/, rfc850 = /^(Monday|Tuesday|Wedsday|Thursday|Friday|Saturday|Sunday), (\d\d)-(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)-(\d\d) (\d\d):(\d\d):(\d\d) GMT$/, ascii = /^(Mon|Tue|Wed|Thu|Fri|Sat|Sun) (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) ( \d|\d\d) (\d\d):(\d\d):(\d\d) (\d{4})$/; function extractRFC1123Or850(match) { const [, weekdayStr, dayStr, monthStr, yearStr, hourStr, minuteStr, secondStr] = match, result = fromStrings(weekdayStr, yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr); return [result, FixedOffsetZone.utcInstance]; } function extractASCII(match) { const [, weekdayStr, monthStr, dayStr, hourStr, minuteStr, secondStr, yearStr] = match, result = fromStrings(weekdayStr, yearStr, monthStr, dayStr, hourStr, minuteStr, secondStr); return [result, FixedOffsetZone.utcInstance]; } /** * @private */ export class RegexParser { static parseISODate(s) { return parse( s, [combineRegexes(isoYmdRegex, isoTimeRegex), combineExtractors(extractISOYmd, extractISOTime)], [ combineRegexes(isoWeekRegex, isoTimeRegex), combineExtractors(extractISOWeekData, extractISOTime) ], [ combineRegexes(isoOrdinalRegex, isoTimeRegex), combineExtractors(extractISOOrdinalData, extractISOTime) ] ); } static parseRFC2822Date(s) { return parse(preprocessRFC2822(s), [rfc2822, extractRFC2822]); } static parseHTTPDate(s) { return parse( s, [rfc1123, extractRFC1123Or850], [rfc850, extractRFC1123Or850], [ascii, extractASCII] ); } static parseISODuration(s) { return parse(s, [isoDuration, extractISODuration]); } } |