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359 lines
10 KiB
PHP
359 lines
10 KiB
PHP
<?php
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namespace Sabre\VObject\Property\ICalendar;
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use Sabre\VObject\Property;
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use Sabre\Xml;
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/**
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* Recur property.
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*
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* This object represents RECUR properties.
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* These values are just used for RRULE and the now deprecated EXRULE.
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*
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* The RRULE property may look something like this:
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*
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* RRULE:FREQ=MONTHLY;BYDAY=1,2,3;BYHOUR=5.
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*
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* This property exposes this as a key=>value array that is accessible using
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* getParts, and may be set using setParts.
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*
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* @copyright Copyright (C) fruux GmbH (https://fruux.com/)
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* @author Evert Pot (http://evertpot.com/)
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* @license http://sabre.io/license/ Modified BSD License
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*/
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class Recur extends Property {
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/**
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* Updates the current value.
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*
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* This may be either a single, or multiple strings in an array.
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*
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* @param string|array $value
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*
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* @return void
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*/
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function setValue($value) {
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// If we're getting the data from json, we'll be receiving an object
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if ($value instanceof \StdClass) {
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$value = (array)$value;
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}
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if (is_array($value)) {
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$newVal = [];
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foreach ($value as $k => $v) {
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if (is_string($v)) {
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$v = strtoupper($v);
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// The value had multiple sub-values
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if (strpos($v, ',') !== false) {
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$v = explode(',', $v);
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}
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if (strcmp($k, 'until') === 0) {
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$v = strtr($v, [':' => '', '-' => '']);
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}
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} elseif (is_array($v)) {
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$v = array_map('strtoupper', $v);
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}
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$newVal[strtoupper($k)] = $v;
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}
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$this->value = $newVal;
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} elseif (is_string($value)) {
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$this->value = self::stringToArray($value);
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} else {
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throw new \InvalidArgumentException('You must either pass a string, or a key=>value array');
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}
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}
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/**
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* Returns the current value.
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*
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* This method will always return a singular value. If this was a
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* multi-value object, some decision will be made first on how to represent
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* it as a string.
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*
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* To get the correct multi-value version, use getParts.
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*
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* @return string
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*/
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function getValue() {
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$out = [];
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foreach ($this->value as $key => $value) {
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$out[] = $key . '=' . (is_array($value) ? implode(',', $value) : $value);
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}
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return strtoupper(implode(';', $out));
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}
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/**
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* Sets a multi-valued property.
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*
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* @param array $parts
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* @return void
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*/
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function setParts(array $parts) {
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$this->setValue($parts);
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}
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/**
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* Returns a multi-valued property.
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*
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* This method always returns an array, if there was only a single value,
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* it will still be wrapped in an array.
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*
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* @return array
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*/
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function getParts() {
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return $this->value;
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}
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/**
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* Sets a raw value coming from a mimedir (iCalendar/vCard) file.
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*
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* This has been 'unfolded', so only 1 line will be passed. Unescaping is
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* not yet done, but parameters are not included.
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*
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* @param string $val
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*
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* @return void
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*/
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function setRawMimeDirValue($val) {
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$this->setValue($val);
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}
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/**
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* Returns a raw mime-dir representation of the value.
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*
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* @return string
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*/
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function getRawMimeDirValue() {
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return $this->getValue();
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}
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/**
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* Returns the type of value.
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*
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* This corresponds to the VALUE= parameter. Every property also has a
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* 'default' valueType.
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*
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* @return string
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*/
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function getValueType() {
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return 'RECUR';
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}
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/**
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* Returns the value, in the format it should be encoded for json.
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*
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* This method must always return an array.
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*
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* @return array
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*/
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function getJsonValue() {
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$values = [];
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foreach ($this->getParts() as $k => $v) {
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if (strcmp($k, 'UNTIL') === 0) {
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$date = new DateTime($this->root, null, $v);
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$values[strtolower($k)] = $date->getJsonValue()[0];
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} elseif (strcmp($k, 'COUNT') === 0) {
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$values[strtolower($k)] = intval($v);
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} else {
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$values[strtolower($k)] = $v;
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}
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}
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return [$values];
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}
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/**
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* This method serializes only the value of a property. This is used to
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* create xCard or xCal documents.
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*
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* @param Xml\Writer $writer XML writer.
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*
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* @return void
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*/
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protected function xmlSerializeValue(Xml\Writer $writer) {
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$valueType = strtolower($this->getValueType());
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foreach ($this->getJsonValue() as $value) {
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$writer->writeElement($valueType, $value);
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}
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}
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/**
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* Parses an RRULE value string, and turns it into a struct-ish array.
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*
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* @param string $value
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*
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* @return array
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*/
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static function stringToArray($value) {
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$value = strtoupper($value);
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$newValue = [];
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foreach (explode(';', $value) as $part) {
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// Skipping empty parts.
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if (empty($part)) {
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continue;
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}
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list($partName, $partValue) = explode('=', $part);
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// The value itself had multiple values..
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if (strpos($partValue, ',') !== false) {
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$partValue = explode(',', $partValue);
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}
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$newValue[$partName] = $partValue;
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}
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return $newValue;
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}
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/**
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* Validates the node for correctness.
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*
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* The following options are supported:
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* Node::REPAIR - May attempt to automatically repair the problem.
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*
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* This method returns an array with detected problems.
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* Every element has the following properties:
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*
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* * level - problem level.
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* * message - A human-readable string describing the issue.
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* * node - A reference to the problematic node.
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*
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* The level means:
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* 1 - The issue was repaired (only happens if REPAIR was turned on)
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* 2 - An inconsequential issue
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* 3 - A severe issue.
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*
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* @param int $options
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*
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* @return array
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*/
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function validate($options = 0) {
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$repair = ($options & self::REPAIR);
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$warnings = parent::validate($options);
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$values = $this->getParts();
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foreach ($values as $key => $value) {
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if ($value === '') {
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$warnings[] = [
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'level' => $repair ? 1 : 3,
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'message' => 'Invalid value for ' . $key . ' in ' . $this->name,
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'node' => $this
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];
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if ($repair) {
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unset($values[$key]);
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}
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} elseif ($key == 'BYMONTH') {
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$byMonth = (array)$value;
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foreach ($byMonth as $i => $v) {
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if (!is_numeric($v) || (int)$v < 1 || (int)$v > 12) {
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$warnings[] = [
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'level' => $repair ? 1 : 3,
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'message' => 'BYMONTH in RRULE must have value(s) between 1 and 12!',
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'node' => $this
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];
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if ($repair) {
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if (is_array($value)) {
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unset($values[$key][$i]);
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} else {
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unset($values[$key]);
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}
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}
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}
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}
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// if there is no valid entry left, remove the whole value
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if (is_array($value) && empty($values[$key])) {
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unset($values[$key]);
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}
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} elseif ($key == 'BYWEEKNO') {
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$byWeekNo = (array)$value;
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foreach ($byWeekNo as $i => $v) {
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if (!is_numeric($v) || (int)$v < -53 || (int)$v == 0 || (int)$v > 53) {
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$warnings[] = [
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'level' => $repair ? 1 : 3,
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'message' => 'BYWEEKNO in RRULE must have value(s) from -53 to -1, or 1 to 53!',
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'node' => $this
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];
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if ($repair) {
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if (is_array($value)) {
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unset($values[$key][$i]);
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} else {
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unset($values[$key]);
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}
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}
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}
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}
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// if there is no valid entry left, remove the whole value
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if (is_array($value) && empty($values[$key])) {
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unset($values[$key]);
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}
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} elseif ($key == 'BYYEARDAY') {
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$byYearDay = (array)$value;
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foreach ($byYearDay as $i => $v) {
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if (!is_numeric($v) || (int)$v < -366 || (int)$v == 0 || (int)$v > 366) {
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$warnings[] = [
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'level' => $repair ? 1 : 3,
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'message' => 'BYYEARDAY in RRULE must have value(s) from -366 to -1, or 1 to 366!',
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'node' => $this
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];
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if ($repair) {
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if (is_array($value)) {
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unset($values[$key][$i]);
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} else {
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unset($values[$key]);
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}
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}
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}
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}
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// if there is no valid entry left, remove the whole value
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if (is_array($value) && empty($values[$key])) {
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unset($values[$key]);
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}
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}
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}
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if (!isset($values['FREQ'])) {
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$warnings[] = [
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'level' => $repair ? 1 : 3,
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'message' => 'FREQ is required in ' . $this->name,
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'node' => $this
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];
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if ($repair) {
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$this->parent->remove($this);
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}
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}
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if ($repair) {
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$this->setValue($values);
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}
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return $warnings;
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}
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}
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