/usr/share/php/sabre21/Sabre/VObject/DateTimeParser.php is in php-sabre-vobject-3 3.5.0-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 | <?php
namespace Sabre\VObject;
use DateTime;
use DateTimeZone;
use DateInterval;
use InvalidArgumentException;
use LogicException;
/**
* DateTimeParser
*
* This class is responsible for parsing the several different date and time
* formats iCalendar and vCards have.
*
* @copyright Copyright (C) fruux GmbH (https://fruux.com/)
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
class DateTimeParser {
/**
* Parses an iCalendar (rfc5545) formatted datetime and returns a DateTime object
*
* Specifying a reference timezone is optional. It will only be used
* if the non-UTC format is used. The argument is used as a reference, the
* returned DateTime object will still be in the UTC timezone.
*
* @param string $dt
* @param DateTimeZone $tz
* @return DateTime
*/
static public function parseDateTime($dt, DateTimeZone $tz = null) {
// Format is YYYYMMDD + "T" + hhmmss
$result = preg_match('/^([0-9]{4})([0-1][0-9])([0-3][0-9])T([0-2][0-9])([0-5][0-9])([0-5][0-9])([Z]?)$/',$dt,$matches);
if (!$result) {
throw new LogicException('The supplied iCalendar datetime value is incorrect: ' . $dt);
}
if ($matches[7]==='Z' || is_null($tz)) {
$tz = new DateTimeZone('UTC');
}
$date = new DateTime($matches[1] . '-' . $matches[2] . '-' . $matches[3] . ' ' . $matches[4] . ':' . $matches[5] .':' . $matches[6], $tz);
// Still resetting the timezone, to normalize everything to UTC
// $date->setTimeZone(new \DateTimeZone('UTC'));
return $date;
}
/**
* Parses an iCalendar (rfc5545) formatted date and returns a DateTime object.
*
* @param string $date
* @param DateTimeZone $tz
* @return DateTime
*/
static public function parseDate($date, DateTimeZone $tz = null) {
// Format is YYYYMMDD
$result = preg_match('/^([0-9]{4})([0-1][0-9])([0-3][0-9])$/',$date,$matches);
if (!$result) {
throw new LogicException('The supplied iCalendar date value is incorrect: ' . $date);
}
if (is_null($tz)) {
$tz = new DateTimeZone('UTC');
}
$date = new DateTime($matches[1] . '-' . $matches[2] . '-' . $matches[3], $tz);
return $date;
}
/**
* Parses an iCalendar (RFC5545) formatted duration value.
*
* This method will either return a DateTimeInterval object, or a string
* suitable for strtotime or DateTime::modify.
*
* @param string $duration
* @param bool $asString
* @return DateInterval|string
*/
static public function parseDuration($duration, $asString = false) {
$result = preg_match('/^(?P<plusminus>\+|-)?P((?P<week>\d+)W)?((?P<day>\d+)D)?(T((?P<hour>\d+)H)?((?P<minute>\d+)M)?((?P<second>\d+)S)?)?$/', $duration, $matches);
if (!$result) {
throw new LogicException('The supplied iCalendar duration value is incorrect: ' . $duration);
}
if (!$asString) {
$invert = false;
if ($matches['plusminus']==='-') {
$invert = true;
}
$parts = array(
'week',
'day',
'hour',
'minute',
'second',
);
foreach($parts as $part) {
$matches[$part] = isset($matches[$part])&&$matches[$part]?(int)$matches[$part]:0;
}
// We need to re-construct the $duration string, because weeks and
// days are not supported by DateInterval in the same string.
$duration = 'P';
$days = $matches['day'];
if ($matches['week']) {
$days+=$matches['week']*7;
}
if ($days)
$duration.=$days . 'D';
if ($matches['minute'] || $matches['second'] || $matches['hour']) {
$duration.='T';
if ($matches['hour'])
$duration.=$matches['hour'].'H';
if ($matches['minute'])
$duration.=$matches['minute'].'M';
if ($matches['second'])
$duration.=$matches['second'].'S';
}
if ($duration==='P') {
$duration = 'PT0S';
}
$iv = new DateInterval($duration);
if ($invert) $iv->invert = true;
return $iv;
}
$parts = array(
'week',
'day',
'hour',
'minute',
'second',
);
$newDur = '';
foreach($parts as $part) {
if (isset($matches[$part]) && $matches[$part]) {
$newDur.=' '.$matches[$part] . ' ' . $part . 's';
}
}
$newDur = ($matches['plusminus']==='-'?'-':'+') . trim($newDur);
if ($newDur === '+') {
$newDur = '+0 seconds';
};
return $newDur;
}
/**
* Parses either a Date or DateTime, or Duration value.
*
* @param string $date
* @param DateTimeZone|string $referenceTz
* @return DateTime|DateInterval
*/
static public function parse($date, $referenceTz = null) {
if ($date[0]==='P' || ($date[0]==='-' && $date[1]==='P')) {
return self::parseDuration($date);
} elseif (strlen($date)===8) {
return self::parseDate($date, $referenceTz);
} else {
return self::parseDateTime($date, $referenceTz);
}
}
/**
* This method parses a vCard date and or time value.
*
* This can be used for the DATE, DATE-TIME, TIMESTAMP and
* DATE-AND-OR-TIME value.
*
* This method returns an array, not a DateTime value.
*
* The elements in the array are in the following order:
* year, month, date, hour, minute, second, timezone
*
* Almost any part of the string may be omitted. It's for example legal to
* just specify seconds, leave out the year, etc.
*
* Timezone is either returned as 'Z' or as '+08:00'
*
* For any non-specified values null is returned.
*
* List of date formats that are supported:
* YYYY
* YYYY-MM
* YYYYMMDD
* --MMDD
* ---DD
*
* YYYY-MM-DD
* --MM-DD
* ---DD
*
* List of supported time formats:
*
* HH
* HHMM
* HHMMSS
* -MMSS
* --SS
*
* HH
* HH:MM
* HH:MM:SS
* -MM:SS
* --SS
*
* A full basic-format date-time string looks like :
* 20130603T133901
*
* A full extended-format date-time string looks like :
* 2013-06-03T13:39:01
*
* Times may be postfixed by a timezone offset. This can be either 'Z' for
* UTC, or a string like -0500 or +1100.
*
* @param string $date
* @return array
*/
static public function parseVCardDateTime($date) {
$regex = '/^
(?: # date part
(?:
(?: (?P<year> [0-9]{4}) (?: -)?| --)
(?P<month> [0-9]{2})?
|---)
(?P<date> [0-9]{2})?
)?
(?:T # time part
(?P<hour> [0-9]{2} | -)
(?P<minute> [0-9]{2} | -)?
(?P<second> [0-9]{2})?
(?: \.[0-9]{3})? # milliseconds
(?P<timezone> # timezone offset
Z | (?: \+|-)(?: [0-9]{4})
)?
)?
$/x';
if (!preg_match($regex, $date, $matches)) {
// Attempting to parse the extended format.
$regex = '/^
(?: # date part
(?: (?P<year> [0-9]{4}) - | -- )
(?P<month> [0-9]{2}) -
(?P<date> [0-9]{2})
)?
(?:T # time part
(?: (?P<hour> [0-9]{2}) : | -)
(?: (?P<minute> [0-9]{2}) : | -)?
(?P<second> [0-9]{2})?
(?: \.[0-9]{3})? # milliseconds
(?P<timezone> # timezone offset
Z | (?: \+|-)(?: [0-9]{2}:[0-9]{2})
)?
)?
$/x';
if (!preg_match($regex, $date, $matches)) {
throw new InvalidArgumentException('Invalid vCard date-time string: ' . $date);
}
}
$parts = array(
'year',
'month',
'date',
'hour',
'minute',
'second',
'timezone'
);
$result = array();
foreach($parts as $part) {
if (empty($matches[$part])) {
$result[$part] = null;
} elseif ($matches[$part] === '-' || $matches[$part] === '--') {
$result[$part] = null;
} else {
$result[$part] = $matches[$part];
}
}
return $result;
}
/**
* This method parses a vCard TIME value.
*
* This method returns an array, not a DateTime value.
*
* The elements in the array are in the following order:
* hour, minute, second, timezone
*
* Almost any part of the string may be omitted. It's for example legal to
* just specify seconds, leave out the hour etc.
*
* Timezone is either returned as 'Z' or as '+08:00'
*
* For any non-specified values null is returned.
*
* List of supported time formats:
*
* HH
* HHMM
* HHMMSS
* -MMSS
* --SS
*
* HH
* HH:MM
* HH:MM:SS
* -MM:SS
* --SS
*
* A full basic-format time string looks like :
* 133901
*
* A full extended-format time string looks like :
* 13:39:01
*
* Times may be postfixed by a timezone offset. This can be either 'Z' for
* UTC, or a string like -0500 or +11:00.
*
* @param string $date
* @return array
*/
static public function parseVCardTime($date) {
$regex = '/^
(?P<hour> [0-9]{2} | -)
(?P<minute> [0-9]{2} | -)?
(?P<second> [0-9]{2})?
(?: \.[0-9]{3})? # milliseconds
(?P<timezone> # timezone offset
Z | (?: \+|-)(?: [0-9]{4})
)?
$/x';
if (!preg_match($regex, $date, $matches)) {
// Attempting to parse the extended format.
$regex = '/^
(?: (?P<hour> [0-9]{2}) : | -)
(?: (?P<minute> [0-9]{2}) : | -)?
(?P<second> [0-9]{2})?
(?: \.[0-9]{3})? # milliseconds
(?P<timezone> # timezone offset
Z | (?: \+|-)(?: [0-9]{2}:[0-9]{2})
)?
$/x';
if (!preg_match($regex, $date, $matches)) {
throw new InvalidArgumentException('Invalid vCard time string: ' . $date);
}
}
$parts = array(
'hour',
'minute',
'second',
'timezone'
);
$result = array();
foreach($parts as $part) {
if (empty($matches[$part])) {
$result[$part] = null;
} elseif ($matches[$part] === '-') {
$result[$part] = null;
} else {
$result[$part] = $matches[$part];
}
}
return $result;
}
}
|