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<?php
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/**
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* BENNU - PHP iCalendar library
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* (c) 2005-2006 Ioannis Papaioannou (pj@moodle.org). All rights reserved.
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*
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* Released under the LGPL.
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*
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* See http://bennu.sourceforge.net/ for more information and downloads.
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*
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* @author Ioannis Papaioannou
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* @version $Id$
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* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
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*/
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class iCalendar_property {
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// Properties can have parameters, but cannot have other properties or components
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var $parent_component = NULL;
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var $value = NULL;
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var $parameters = NULL;
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var $valid_parameters = NULL;
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// These are common for 95% of properties, so define them here and override as necessary
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var $val_multi = false;
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var $val_default = NULL;
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/** @var int|null RFC2445_TYPE value. */
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protected $val_type;
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/** @var string property name. */
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protected $name;
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function __construct() {
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$this->parameters = array();
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}
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// If some property needs extra care with its parameters, override this
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// IMPORTANT: the parameter name MUST BE CAPITALIZED!
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function is_valid_parameter($parameter, $value) {
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if(is_array($value)) {
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if(!iCalendar_parameter::multiple_values_allowed($parameter)) {
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return false;
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}
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foreach($value as $item) {
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if(!iCalendar_parameter::is_valid_value($this, $parameter, $item)) {
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return false;
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}
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}
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return true;
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}
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return iCalendar_parameter::is_valid_value($this, $parameter, $value);
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}
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function invariant_holds() {
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return true;
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}
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// If some property is very picky about its values, it should do the work itself
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// Only data type validation is done here
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function is_valid_value($value) {
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if(is_array($value)) {
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if(!$this->val_multi) {
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return false;
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}
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else {
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foreach($value as $oneval) {
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if(!rfc2445_is_valid_value($oneval, $this->val_type)) {
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return false;
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}
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}
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}
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return true;
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}
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return rfc2445_is_valid_value($value, $this->val_type);
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}
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function default_value() {
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return $this->val_default;
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}
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function set_parent_component($componentname) {
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if(class_exists('iCalendar_'.strtolower(substr($componentname, 1)))) {
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$this->parent_component = strtoupper($componentname);
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return true;
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}
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return false;
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}
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function set_value($value) {
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if($this->is_valid_value($value)) {
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// This transparently formats any value type according to the iCalendar specs
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if(is_array($value)) {
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foreach($value as $key => $item) {
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$value[$key] = rfc2445_do_value_formatting($item, $this->val_type);
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}
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$this->value = implode(',', $value);
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}
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else {
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$this->value = rfc2445_do_value_formatting($value, $this->val_type);
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}
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return true;
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}
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return false;
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}
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function get_value() {
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// First of all, assume that we have multiple values
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$valarray = explode('\\,', $this->value);
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// Undo transparent formatting
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$valtype = $this->val_type;
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$replace_function = function($a) use ($valtype) {
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return rfc2445_undo_value_formatting($a, $valtype);
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};
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$valarray = array_map($replace_function, $valarray);
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// Now, if this property cannot have multiple values, don't return as an array
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if(!$this->val_multi) {
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return $valarray[0];
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}
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// Otherwise return an array even if it has one element, for uniformity
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return $valarray;
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}
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function set_parameter($name, $value) {
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// Uppercase
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$name = strtoupper($name);
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// Are we trying to add a valid parameter?
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$xname = false;
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if(!isset($this->valid_parameters[$name])) {
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// If not, is it an x-name as per RFC 2445?
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if(!rfc2445_is_xname($name)) {
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return false;
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}
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// No more checks -- all components are supposed to allow x-name parameters
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$xname = true;
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}
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if(!$this->is_valid_parameter($name, $value)) {
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return false;
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}
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if(is_array($value)) {
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foreach($value as $key => $element) {
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$value[$key] = iCalendar_parameter::do_value_formatting($name, $element);
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}
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}
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else {
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$value = iCalendar_parameter::do_value_formatting($name, $value);
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}
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$this->parameters[$name] = $value;
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// Special case: if we just changed the VALUE parameter, reflect this
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// in the object's status so that it only accepts correct type values
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if($name == 'VALUE') {
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// TODO: what if this invalidates an already-set value?
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$this->val_type = constant('RFC2445_TYPE_'.str_replace('-', '_', $value));
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}
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return true;
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}
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function get_parameter($name) {
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// Uppercase
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$name = strtoupper($name);
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if(isset($this->parameters[$name])) {
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// If there are any double quotes in the value, invisibly strip them
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if(is_array($this->parameters[$name])) {
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foreach($this->parameters[$name] as $key => $value) {
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if(substr($value, 0, 1) == '"') {
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$this->parameters[$name][$key] = substr($value, 1, strlen($value) - 2);
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}
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}
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return $this->parameters[$name];
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}
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else {
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if(substr($this->parameters[$name], 0, 1) == '"') {
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return substr($this->parameters[$name], 1, strlen($this->parameters[$name]) - 2);
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}
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}
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}
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return NULL;
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}
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function serialize() {
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$string = $this->name;
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if(!empty($this->parameters)) {
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foreach($this->parameters as $name => $value) {
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$string .= ';'.$name.'=';
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if(is_array($value)) {
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$string .= implode(',', $value);
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}
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else {
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$string .= $value;
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}
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}
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}
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$string .= ':'.$this->value;
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return rfc2445_fold($string) . RFC2445_CRLF;
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}
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}
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// 4.7 Calendar Properties
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// -----------------------
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class iCalendar_property_calscale extends iCalendar_property {
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var $name = 'CALSCALE';
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var $val_type = RFC2445_TYPE_TEXT;
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function __construct() {
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parent::__construct();
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$this->valid_parameters = array(
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RFC2445_XNAME => RFC2445_OPTIONAL
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);
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}
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function is_valid_value($value) {
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// This is case-sensitive
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return ($value === 'GREGORIAN');
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}
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}
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class iCalendar_property_method extends iCalendar_property {
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var $name = 'METHOD';
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var $val_type = RFC2445_TYPE_TEXT;
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function __construct() {
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parent::__construct();
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$this->valid_parameters = array(
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RFC2445_XNAME => RFC2445_OPTIONAL
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);
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}
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function is_valid_value($value) {
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// This is case-sensitive
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// Methods from RFC 2446
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$methods = array('PUBLISH', 'REQUEST', 'REPLY', 'ADD', 'CANCEL', 'REFRESH', 'COUNTER', 'DECLINECOUNTER');
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return in_array($value, $methods);
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}
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}
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class iCalendar_property_prodid extends iCalendar_property {
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var $name = 'PRODID';
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var $val_type = RFC2445_TYPE_TEXT;
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var $val_default = NULL;
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function __construct() {
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parent::__construct();
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$this->val_default = '-//John Papaioannou/NONSGML Bennu '._BENNU_VERSION.'//EN';
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$this->valid_parameters = array(
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RFC2445_XNAME => RFC2445_OPTIONAL
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);
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}
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}
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class iCalendar_property_version extends iCalendar_property {
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var $name = 'VERSION';
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var $val_type = RFC2445_TYPE_TEXT;
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var $val_default = '2.0';
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function __construct() {
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parent::__construct();
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$this->valid_parameters = array(
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RFC2445_XNAME => RFC2445_OPTIONAL
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);
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}
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function is_valid_value($value) {
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return($value === '2.0' || $value === 2.0);
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}
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}
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// 4.8.1 Descriptive Component Properties
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// --------------------------------------
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class iCalendar_property_attach extends iCalendar_property {
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var $name = 'ATTACH';
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var $val_type = RFC2445_TYPE_URI;
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function __construct() {
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parent::__construct();
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$this->valid_parameters = array(
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'FMTTYPE' => RFC2445_OPTIONAL | RFC2445_ONCE,
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'ENCODING' => RFC2445_OPTIONAL | RFC2445_ONCE,
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'VALUE' => RFC2445_OPTIONAL | RFC2445_ONCE,
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RFC2445_XNAME => RFC2445_OPTIONAL
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);
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}
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function invariant_holds() {
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if(isset($this->parameters['ENCODING']) && !isset($this->parameters['VALUE'])) {
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return false;
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}
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if(isset($this->parameters['VALUE']) && !isset($this->parameters['ENCODING'])) {
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return false;
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}
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return true;
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}
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function is_valid_parameter($parameter, $value) {
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$parameter = strtoupper($parameter);
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if(!parent::is_valid_parameter($parameter, $value)) {
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return false;
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}
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if($parameter === 'ENCODING' && strtoupper($value) != 'BASE64') {
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return false;
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}
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if($parameter === 'VALUE' && strtoupper($value) != 'BINARY') {
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return false;
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}
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return true;
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}
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}
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class iCalendar_property_categories extends iCalendar_property {
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var $name = 'CATEGORIES';
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var $val_type = RFC2445_TYPE_TEXT;
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var $val_multi = true;
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function __construct() {
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parent::__construct();
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$this->valid_parameters = array(
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'LANGUAGE' => RFC2445_OPTIONAL | RFC2445_ONCE,
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RFC2445_XNAME => RFC2445_OPTIONAL
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);
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}
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}
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class iCalendar_property_class extends iCalendar_property {
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var $name = 'CLASS';
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var $val_type = RFC2445_TYPE_TEXT;
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var $val_default = 'PUBLIC';
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function __construct() {
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parent::__construct();
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$this->valid_parameters = array(
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RFC2445_XNAME => RFC2445_OPTIONAL
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);
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}
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function is_valid_value($value) {
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// If this is not an xname, it is case-sensitive
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return ($value === 'PUBLIC' || $value === 'PRIVATE' || $value === 'CONFIDENTIAL' || rfc2445_is_xname(strtoupper($value)));
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}
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}
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class iCalendar_property_comment extends iCalendar_property {
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var $name = 'COMMENT';
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var $val_type = RFC2445_TYPE_TEXT;
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function __construct() {
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parent::__construct();
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387 |
$this->valid_parameters = array(
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|
388 |
'ALTREP' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
389 |
'LANGUAGE' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
390 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
391 |
);
|
|
|
392 |
}
|
|
|
393 |
}
|
|
|
394 |
|
|
|
395 |
class iCalendar_property_description extends iCalendar_property {
|
|
|
396 |
|
|
|
397 |
var $name = 'DESCRIPTION';
|
|
|
398 |
var $val_type = RFC2445_TYPE_TEXT;
|
|
|
399 |
|
|
|
400 |
function __construct() {
|
|
|
401 |
parent::__construct();
|
|
|
402 |
$this->valid_parameters = array(
|
|
|
403 |
'ALTREP' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
404 |
'LANGUAGE' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
405 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
406 |
);
|
|
|
407 |
}
|
|
|
408 |
}
|
|
|
409 |
|
|
|
410 |
class iCalendar_property_geo extends iCalendar_property {
|
|
|
411 |
|
|
|
412 |
var $name = 'GEO';
|
|
|
413 |
var $val_type = RFC2445_TYPE_TEXT;
|
|
|
414 |
|
|
|
415 |
function __construct() {
|
|
|
416 |
parent::__construct();
|
|
|
417 |
$this->valid_parameters = array(
|
|
|
418 |
'ALTREP' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
419 |
'LANGUAGE' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
420 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
421 |
);
|
|
|
422 |
}
|
|
|
423 |
|
|
|
424 |
function is_valid_value($value) {
|
|
|
425 |
// This MUST be two floats separated by a semicolon
|
|
|
426 |
if(!is_string($value)) {
|
|
|
427 |
return false;
|
|
|
428 |
}
|
|
|
429 |
|
|
|
430 |
$floats = explode(';', $value);
|
|
|
431 |
if(count($floats) != 2) {
|
|
|
432 |
return false;
|
|
|
433 |
}
|
|
|
434 |
|
|
|
435 |
return rfc2445_is_valid_value($floats[0], RFC2445_TYPE_FLOAT) && rfc2445_is_valid_value($floats[1], RFC2445_TYPE_FLOAT);
|
|
|
436 |
}
|
|
|
437 |
|
|
|
438 |
function set_value($value) {
|
|
|
439 |
// Must override this, otherwise the semicolon separating
|
|
|
440 |
// the two floats would get auto-quoted, which is illegal
|
|
|
441 |
if($this->is_valid_value($value)) {
|
|
|
442 |
$this->value = $value;
|
|
|
443 |
return true;
|
|
|
444 |
}
|
|
|
445 |
|
|
|
446 |
return false;
|
|
|
447 |
}
|
|
|
448 |
|
|
|
449 |
}
|
|
|
450 |
|
|
|
451 |
class iCalendar_property_location extends iCalendar_property {
|
|
|
452 |
|
|
|
453 |
var $name = 'LOCATION';
|
|
|
454 |
var $val_type = RFC2445_TYPE_TEXT;
|
|
|
455 |
|
|
|
456 |
function __construct() {
|
|
|
457 |
parent::__construct();
|
|
|
458 |
$this->valid_parameters = array(
|
|
|
459 |
'ALTREP' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
460 |
'LANGUAGE' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
461 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
462 |
);
|
|
|
463 |
}
|
|
|
464 |
}
|
|
|
465 |
|
|
|
466 |
class iCalendar_property_percent_complete extends iCalendar_property {
|
|
|
467 |
|
|
|
468 |
var $name = 'PERCENT-COMPLETE';
|
|
|
469 |
var $val_type = RFC2445_TYPE_INTEGER;
|
|
|
470 |
|
|
|
471 |
function __construct() {
|
|
|
472 |
parent::__construct();
|
|
|
473 |
$this->valid_parameters = array(
|
|
|
474 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
475 |
);
|
|
|
476 |
}
|
|
|
477 |
|
|
|
478 |
function is_valid_value($value) {
|
|
|
479 |
// Only integers between 0 and 100 inclusive allowed
|
|
|
480 |
if(!parent::is_valid_value($value)) {
|
|
|
481 |
return false;
|
|
|
482 |
}
|
|
|
483 |
$value = intval($value);
|
|
|
484 |
return ($value >= 0 && $value <= 100);
|
|
|
485 |
}
|
|
|
486 |
|
|
|
487 |
}
|
|
|
488 |
|
|
|
489 |
class iCalendar_property_priority extends iCalendar_property {
|
|
|
490 |
|
|
|
491 |
var $name = 'PRIORITY';
|
|
|
492 |
var $val_type = RFC2445_TYPE_INTEGER;
|
|
|
493 |
|
|
|
494 |
function __construct() {
|
|
|
495 |
parent::__construct();
|
|
|
496 |
$this->valid_parameters = array(
|
|
|
497 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
498 |
);
|
|
|
499 |
}
|
|
|
500 |
|
|
|
501 |
function is_valid_value($value) {
|
|
|
502 |
// Only integers between 0 and 9 inclusive allowed
|
|
|
503 |
if(!parent::is_valid_value($value)) {
|
|
|
504 |
return false;
|
|
|
505 |
}
|
|
|
506 |
|
|
|
507 |
$value = intval($value);
|
|
|
508 |
return ($value >= 0 && $value <= 9);
|
|
|
509 |
}
|
|
|
510 |
}
|
|
|
511 |
|
|
|
512 |
class iCalendar_property_resources extends iCalendar_property {
|
|
|
513 |
|
|
|
514 |
var $name = 'RESOURCES';
|
|
|
515 |
var $val_type = RFC2445_TYPE_TEXT;
|
|
|
516 |
var $val_multi = true;
|
|
|
517 |
|
|
|
518 |
function __construct() {
|
|
|
519 |
parent::__construct();
|
|
|
520 |
$this->valid_parameters = array(
|
|
|
521 |
'ALTREP' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
522 |
'LANGUAGE' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
523 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
524 |
);
|
|
|
525 |
}
|
|
|
526 |
}
|
|
|
527 |
|
|
|
528 |
class iCalendar_property_status extends iCalendar_property {
|
|
|
529 |
|
|
|
530 |
var $name = 'STATUS';
|
|
|
531 |
var $val_type = RFC2445_TYPE_TEXT;
|
|
|
532 |
|
|
|
533 |
function __construct() {
|
|
|
534 |
parent::__construct();
|
|
|
535 |
$this->valid_parameters = array(
|
|
|
536 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
537 |
);
|
|
|
538 |
}
|
|
|
539 |
|
|
|
540 |
function is_valid_value($value) {
|
|
|
541 |
// This is case-sensitive
|
|
|
542 |
switch ($this->parent_component) {
|
|
|
543 |
case 'VEVENT':
|
|
|
544 |
$allowed = array('TENTATIVE', 'CONFIRMED', 'CANCELLED');
|
|
|
545 |
break;
|
|
|
546 |
case 'VTODO':
|
|
|
547 |
$allowed = array('NEEDS-ACTION', 'COMPLETED', 'IN-PROCESS', 'CANCELLED');
|
|
|
548 |
break;
|
|
|
549 |
case 'VJOURNAL':
|
|
|
550 |
$allowed = array('DRAFT', 'FINAL', 'CANCELLED');
|
|
|
551 |
break;
|
|
|
552 |
}
|
|
|
553 |
return in_array($value, $allowed);
|
|
|
554 |
|
|
|
555 |
}
|
|
|
556 |
|
|
|
557 |
}
|
|
|
558 |
|
|
|
559 |
class iCalendar_property_summary extends iCalendar_property {
|
|
|
560 |
|
|
|
561 |
var $name = 'SUMMARY';
|
|
|
562 |
var $val_type = RFC2445_TYPE_TEXT;
|
|
|
563 |
|
|
|
564 |
function __construct() {
|
|
|
565 |
parent::__construct();
|
|
|
566 |
$this->valid_parameters = array(
|
|
|
567 |
'ALTREP' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
568 |
'LANGUAGE' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
569 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
570 |
);
|
|
|
571 |
}
|
|
|
572 |
}
|
|
|
573 |
|
|
|
574 |
// 4.8.2 Date and Time Component Properties
|
|
|
575 |
// ----------------------------------------
|
|
|
576 |
|
|
|
577 |
class iCalendar_property_completed extends iCalendar_property {
|
|
|
578 |
|
|
|
579 |
var $name = 'COMPLETED';
|
|
|
580 |
var $val_type = RFC2445_TYPE_DATE_TIME;
|
|
|
581 |
|
|
|
582 |
function __construct() {
|
|
|
583 |
parent::__construct();
|
|
|
584 |
$this->valid_parameters = array(
|
|
|
585 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
586 |
);
|
|
|
587 |
}
|
|
|
588 |
|
|
|
589 |
function is_valid_value($value) {
|
|
|
590 |
if(!parent::is_valid_value($value)) {
|
|
|
591 |
return false;
|
|
|
592 |
}
|
|
|
593 |
// Time MUST be in UTC format
|
|
|
594 |
return(substr($value, -1) == 'Z');
|
|
|
595 |
}
|
|
|
596 |
}
|
|
|
597 |
|
|
|
598 |
class iCalendar_property_dtend extends iCalendar_property {
|
|
|
599 |
|
|
|
600 |
var $name = 'DTEND';
|
|
|
601 |
var $val_type = RFC2445_TYPE_DATE_TIME;
|
|
|
602 |
|
|
|
603 |
function __construct() {
|
|
|
604 |
parent::__construct();
|
|
|
605 |
$this->valid_parameters = array(
|
|
|
606 |
'VALUE' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
607 |
'TZID' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
608 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
609 |
);
|
|
|
610 |
}
|
|
|
611 |
|
|
|
612 |
function is_valid_value($value) {
|
|
|
613 |
if(!parent::is_valid_value($value)) {
|
|
|
614 |
return false;
|
|
|
615 |
}
|
|
|
616 |
|
|
|
617 |
// If present in a FREEBUSY component, must be in UTC format
|
|
|
618 |
if($this->parent_component == 'VFREEBUSY' && substr($value, -1) != 'Z') {
|
|
|
619 |
return false;
|
|
|
620 |
}
|
|
|
621 |
|
|
|
622 |
return true;
|
|
|
623 |
|
|
|
624 |
}
|
|
|
625 |
|
|
|
626 |
function is_valid_parameter($parameter, $value) {
|
|
|
627 |
|
|
|
628 |
$parameter = strtoupper($parameter);
|
|
|
629 |
|
|
|
630 |
if(!parent::is_valid_parameter($parameter, $value)) {
|
|
|
631 |
return false;
|
|
|
632 |
}
|
|
|
633 |
if($parameter == 'VALUE' && !($value == 'DATE' || $value == 'DATE-TIME')) {
|
|
|
634 |
return false;
|
|
|
635 |
}
|
|
|
636 |
|
|
|
637 |
return true;
|
|
|
638 |
}
|
|
|
639 |
}
|
|
|
640 |
|
|
|
641 |
class iCalendar_property_due extends iCalendar_property {
|
|
|
642 |
|
|
|
643 |
var $name = 'DUE';
|
|
|
644 |
var $val_type = RFC2445_TYPE_DATE_TIME;
|
|
|
645 |
|
|
|
646 |
function __construct() {
|
|
|
647 |
parent::__construct();
|
|
|
648 |
$this->valid_parameters = array(
|
|
|
649 |
'VALUE' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
650 |
'TZID' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
651 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
652 |
);
|
|
|
653 |
}
|
|
|
654 |
|
|
|
655 |
function is_valid_value($value) {
|
|
|
656 |
if(!parent::is_valid_value($value)) {
|
|
|
657 |
return false;
|
|
|
658 |
}
|
|
|
659 |
|
|
|
660 |
// If present in a FREEBUSY component, must be in UTC format
|
|
|
661 |
if($this->parent_component == 'VFREEBUSY' && substr($value, -1) != 'Z') {
|
|
|
662 |
return false;
|
|
|
663 |
}
|
|
|
664 |
|
|
|
665 |
return true;
|
|
|
666 |
|
|
|
667 |
}
|
|
|
668 |
|
|
|
669 |
function is_valid_parameter($parameter, $value) {
|
|
|
670 |
|
|
|
671 |
$parameter = strtoupper($parameter);
|
|
|
672 |
|
|
|
673 |
if(!parent::is_valid_parameter($parameter, $value)) {
|
|
|
674 |
return false;
|
|
|
675 |
}
|
|
|
676 |
if($parameter == 'VALUE' && !($value == 'DATE' || $value == 'DATE-TIME')) {
|
|
|
677 |
return false;
|
|
|
678 |
}
|
|
|
679 |
|
|
|
680 |
return true;
|
|
|
681 |
}
|
|
|
682 |
}
|
|
|
683 |
|
|
|
684 |
class iCalendar_property_dtstart extends iCalendar_property {
|
|
|
685 |
|
|
|
686 |
var $name = 'DTSTART';
|
|
|
687 |
var $val_type = RFC2445_TYPE_DATE_TIME;
|
|
|
688 |
|
|
|
689 |
function __construct() {
|
|
|
690 |
parent::__construct();
|
|
|
691 |
$this->valid_parameters = array(
|
|
|
692 |
'VALUE' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
693 |
'TZID' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
694 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
695 |
);
|
|
|
696 |
}
|
|
|
697 |
|
|
|
698 |
// TODO: unimplemented stuff when parent is a VTIMEZONE component
|
|
|
699 |
|
|
|
700 |
function is_valid_value($value) {
|
|
|
701 |
if(!parent::is_valid_value($value)) {
|
|
|
702 |
return false;
|
|
|
703 |
}
|
|
|
704 |
|
|
|
705 |
// If present in a FREEBUSY component, must be in UTC format
|
|
|
706 |
if($this->parent_component == 'VFREEBUSY' && substr($value, -1) != 'Z') {
|
|
|
707 |
return false;
|
|
|
708 |
}
|
|
|
709 |
|
|
|
710 |
return true;
|
|
|
711 |
}
|
|
|
712 |
|
|
|
713 |
function is_valid_parameter($parameter, $value) {
|
|
|
714 |
|
|
|
715 |
$parameter = strtoupper($parameter);
|
|
|
716 |
|
|
|
717 |
if(!parent::is_valid_parameter($parameter, $value)) {
|
|
|
718 |
return false;
|
|
|
719 |
}
|
|
|
720 |
if($parameter == 'VALUE' && !($value == 'DATE' || $value == 'DATE-TIME')) {
|
|
|
721 |
return false;
|
|
|
722 |
}
|
|
|
723 |
|
|
|
724 |
return true;
|
|
|
725 |
}
|
|
|
726 |
}
|
|
|
727 |
|
|
|
728 |
class iCalendar_property_duration extends iCalendar_property {
|
|
|
729 |
|
|
|
730 |
var $name = 'DURATION';
|
|
|
731 |
var $val_type = RFC2445_TYPE_DURATION;
|
|
|
732 |
|
|
|
733 |
function __construct() {
|
|
|
734 |
parent::__construct();
|
|
|
735 |
$this->valid_parameters = array(
|
|
|
736 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
737 |
);
|
|
|
738 |
}
|
|
|
739 |
|
|
|
740 |
function is_valid_value($value) {
|
|
|
741 |
if(!parent::is_valid_value($value)) {
|
|
|
742 |
return false;
|
|
|
743 |
}
|
|
|
744 |
|
|
|
745 |
// Value must be positive
|
|
|
746 |
return ($value[0] != '-');
|
|
|
747 |
}
|
|
|
748 |
}
|
|
|
749 |
|
|
|
750 |
class iCalendar_property_freebusy extends iCalendar_property {
|
|
|
751 |
|
|
|
752 |
var $name = 'FREEBUSY';
|
|
|
753 |
var $val_type = RFC2445_TYPE_PERIOD;
|
|
|
754 |
var $val_multi = true;
|
|
|
755 |
|
|
|
756 |
function __construct() {
|
|
|
757 |
parent::__construct();
|
|
|
758 |
$this->valid_parameters = array(
|
|
|
759 |
'FBTYPE' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
760 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
761 |
);
|
|
|
762 |
}
|
|
|
763 |
|
|
|
764 |
function is_valid_value($value) {
|
|
|
765 |
if(!parent::is_valid_value($value)) {
|
|
|
766 |
return false;
|
|
|
767 |
}
|
|
|
768 |
|
|
|
769 |
$pos = strpos($value, '/'); // We know there's only one / in there
|
|
|
770 |
if($value[$pos - 1] != 'Z') {
|
|
|
771 |
// Start time MUST be in UTC
|
|
|
772 |
return false;
|
|
|
773 |
}
|
|
|
774 |
if($value[$pos + 1] != 'P' && substr($value, -1) != 'Z') {
|
|
|
775 |
// If the second part is not a period, it MUST be in UTC
|
|
|
776 |
return false;
|
|
|
777 |
}
|
|
|
778 |
|
|
|
779 |
return true;
|
|
|
780 |
}
|
|
|
781 |
|
|
|
782 |
// TODO: these properties SHOULD be shorted in ascending order (by start time and end time as tiebreak)
|
|
|
783 |
}
|
|
|
784 |
|
|
|
785 |
class iCalendar_property_transp extends iCalendar_property {
|
|
|
786 |
|
|
|
787 |
var $name = 'TRANSP';
|
|
|
788 |
var $val_type = RFC2445_TYPE_TEXT;
|
|
|
789 |
var $val_default = 'OPAQUE';
|
|
|
790 |
|
|
|
791 |
function __construct() {
|
|
|
792 |
parent::__construct();
|
|
|
793 |
$this->valid_parameters = array(
|
|
|
794 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
795 |
);
|
|
|
796 |
}
|
|
|
797 |
|
|
|
798 |
function is_valid_value($value) {
|
|
|
799 |
return ($value === 'TRANSPARENT' || $value === 'OPAQUE');
|
|
|
800 |
}
|
|
|
801 |
}
|
|
|
802 |
|
|
|
803 |
// TODO: 4.8.3 timezone component properties
|
|
|
804 |
|
|
|
805 |
|
|
|
806 |
// 4.8.4 Relationship Component Properties
|
|
|
807 |
// ---------------------------------------
|
|
|
808 |
|
|
|
809 |
class iCalendar_property_attendee extends iCalendar_property {
|
|
|
810 |
|
|
|
811 |
var $name = 'ATTENDEE';
|
|
|
812 |
var $val_type = RFC2445_TYPE_CAL_ADDRESS;
|
|
|
813 |
|
|
|
814 |
// TODO: MUST NOT be specified when the calendar object has METHOD=PUBLISH
|
|
|
815 |
// TODO: standard has lots of detail here, make triple sure that we eventually conform
|
|
|
816 |
|
|
|
817 |
function __construct() {
|
|
|
818 |
parent::__construct();
|
|
|
819 |
$this->valid_parameters = array(
|
|
|
820 |
'LANGUAGE' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
821 |
'CN' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
822 |
'ROLE' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
823 |
'PARTSTAT' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
824 |
'RSVP' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
825 |
'CUTYPE' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
826 |
'MEMBER' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
827 |
'DELEGATED-TO' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
828 |
'DELEGATED-FROM' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
829 |
'SENT-BY' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
830 |
'DIR' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
831 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
832 |
);
|
|
|
833 |
}
|
|
|
834 |
|
|
|
835 |
function set_parent_component($componentname) {
|
|
|
836 |
if(!parent::set_parent_component($componentname)) {
|
|
|
837 |
return false;
|
|
|
838 |
}
|
|
|
839 |
|
|
|
840 |
if($this->parent_component == 'VFREEBUSY' || $this->parent_component == 'VALARM') {
|
|
|
841 |
// Most parameters become invalid in this case, the full allowed set is now:
|
|
|
842 |
$this->valid_parameters = array(
|
|
|
843 |
'LANGUAGE' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
844 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
845 |
);
|
|
|
846 |
}
|
|
|
847 |
|
|
|
848 |
return false;
|
|
|
849 |
}
|
|
|
850 |
|
|
|
851 |
}
|
|
|
852 |
|
|
|
853 |
class iCalendar_property_contact extends iCalendar_property {
|
|
|
854 |
|
|
|
855 |
var $name = 'CONTACT';
|
|
|
856 |
var $val_type = RFC2445_TYPE_TEXT;
|
|
|
857 |
|
|
|
858 |
function __construct() {
|
|
|
859 |
parent::__construct();
|
|
|
860 |
$this->valid_parameters = array(
|
|
|
861 |
'ALTREP' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
862 |
'LANGUAGE' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
863 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
864 |
);
|
|
|
865 |
}
|
|
|
866 |
}
|
|
|
867 |
|
|
|
868 |
class iCalendar_property_organizer extends iCalendar_property {
|
|
|
869 |
|
|
|
870 |
var $name = 'ORGANIZER';
|
|
|
871 |
var $val_type = RFC2445_TYPE_CAL_ADDRESS;
|
|
|
872 |
|
|
|
873 |
function __construct() {
|
|
|
874 |
parent::__construct();
|
|
|
875 |
$this->valid_parameters = array(
|
|
|
876 |
'CN' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
877 |
'DIR' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
878 |
'SENT-BY' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
879 |
'LANGUAGE' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
880 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
881 |
);
|
|
|
882 |
}
|
|
|
883 |
|
|
|
884 |
// TODO:
|
|
|
885 |
/*
|
|
|
886 |
Conformance: This property MUST be specified in an iCalendar object
|
|
|
887 |
that specifies a group scheduled calendar entity. This property MUST
|
|
|
888 |
be specified in an iCalendar object that specifies the publication of
|
|
|
889 |
a calendar user's busy time. This property MUST NOT be specified in
|
|
|
890 |
an iCalendar object that specifies only a time zone definition or
|
|
|
891 |
that defines calendar entities that are not group scheduled entities,
|
|
|
892 |
but are entities only on a single user's calendar.
|
|
|
893 |
*/
|
|
|
894 |
|
|
|
895 |
}
|
|
|
896 |
|
|
|
897 |
class iCalendar_property_recurrence_id extends iCalendar_property {
|
|
|
898 |
|
|
|
899 |
// TODO: can only be specified when defining recurring components in the calendar
|
|
|
900 |
/*
|
|
|
901 |
Conformance: This property can be specified in an iCalendar object
|
|
|
902 |
containing a recurring calendar component.
|
|
|
903 |
|
|
|
904 |
Description: The full range of calendar components specified by a
|
|
|
905 |
recurrence set is referenced by referring to just the "UID" property
|
|
|
906 |
value corresponding to the calendar component. The "RECURRENCE-ID"
|
|
|
907 |
property allows the reference to an individual instance within the
|
|
|
908 |
recurrence set.
|
|
|
909 |
*/
|
|
|
910 |
|
|
|
911 |
var $name = 'RECURRENCE-ID';
|
|
|
912 |
var $val_type = RFC2445_TYPE_DATE_TIME;
|
|
|
913 |
|
|
|
914 |
function __construct() {
|
|
|
915 |
parent::__construct();
|
|
|
916 |
$this->valid_parameters = array(
|
|
|
917 |
'RANGE' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
918 |
'TZID' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
919 |
'VALUE' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
920 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
921 |
);
|
|
|
922 |
}
|
|
|
923 |
|
|
|
924 |
function is_valid_parameter($parameter, $value) {
|
|
|
925 |
|
|
|
926 |
$parameter = strtoupper($parameter);
|
|
|
927 |
|
|
|
928 |
if(!parent::is_valid_parameter($parameter, $value)) {
|
|
|
929 |
return false;
|
|
|
930 |
}
|
|
|
931 |
if($parameter == 'VALUE' && !($value == 'DATE' || $value == 'DATE-TIME')) {
|
|
|
932 |
return false;
|
|
|
933 |
}
|
|
|
934 |
|
|
|
935 |
return true;
|
|
|
936 |
}
|
|
|
937 |
|
|
|
938 |
}
|
|
|
939 |
|
|
|
940 |
class iCalendar_property_related_to extends iCalendar_property {
|
|
|
941 |
|
|
|
942 |
var $name = 'RELATED-TO';
|
|
|
943 |
var $val_type = RFC2445_TYPE_TEXT;
|
|
|
944 |
|
|
|
945 |
// TODO: the value of this property must reference another component's UID
|
|
|
946 |
|
|
|
947 |
function __construct() {
|
|
|
948 |
parent::__construct();
|
|
|
949 |
$this->valid_parameters = array(
|
|
|
950 |
'RELTYPE' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
951 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
952 |
);
|
|
|
953 |
}
|
|
|
954 |
}
|
|
|
955 |
|
|
|
956 |
class iCalendar_property_url extends iCalendar_property {
|
|
|
957 |
|
|
|
958 |
var $name = 'URL';
|
|
|
959 |
var $val_type = RFC2445_TYPE_URI;
|
|
|
960 |
|
|
|
961 |
function __construct() {
|
|
|
962 |
parent::__construct();
|
|
|
963 |
$this->valid_parameters = array(
|
|
|
964 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
965 |
);
|
|
|
966 |
}
|
|
|
967 |
}
|
|
|
968 |
|
|
|
969 |
class iCalendar_property_uid extends iCalendar_property {
|
|
|
970 |
|
|
|
971 |
var $name = 'UID';
|
|
|
972 |
var $val_type = RFC2445_TYPE_TEXT;
|
|
|
973 |
|
|
|
974 |
function __construct() {
|
|
|
975 |
parent::__construct();
|
|
|
976 |
$this->valid_parameters = array(
|
|
|
977 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
978 |
);
|
|
|
979 |
|
|
|
980 |
// The exception to the rule: this is not a static value, so we
|
|
|
981 |
// generate it on-the-fly here. Guaranteed to be different for
|
|
|
982 |
// each instance of this property, too. Nice.
|
|
|
983 |
$this->val_default = Bennu::generate_guid();
|
|
|
984 |
}
|
|
|
985 |
}
|
|
|
986 |
|
|
|
987 |
// 4.8.5 Recurrence Component Properties
|
|
|
988 |
// -------------------------------------
|
|
|
989 |
|
|
|
990 |
class iCalendar_property_exdate extends iCalendar_property {
|
|
|
991 |
|
|
|
992 |
var $name = 'EXDATE';
|
|
|
993 |
var $val_type = RFC2445_TYPE_DATE_TIME;
|
|
|
994 |
var $val_multi = true;
|
|
|
995 |
|
|
|
996 |
function __construct() {
|
|
|
997 |
parent::__construct();
|
|
|
998 |
$this->valid_parameters = array(
|
|
|
999 |
'TZID' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
1000 |
'VALUE' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
1001 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
1002 |
);
|
|
|
1003 |
}
|
|
|
1004 |
|
|
|
1005 |
function is_valid_parameter($parameter, $value) {
|
|
|
1006 |
|
|
|
1007 |
$parameter = strtoupper($parameter);
|
|
|
1008 |
|
|
|
1009 |
if(!parent::is_valid_parameter($parameter, $value)) {
|
|
|
1010 |
return false;
|
|
|
1011 |
}
|
|
|
1012 |
if($parameter == 'VALUE' && !($value == 'DATE' || $value == 'DATE-TIME')) {
|
|
|
1013 |
return false;
|
|
|
1014 |
}
|
|
|
1015 |
|
|
|
1016 |
return true;
|
|
|
1017 |
}
|
|
|
1018 |
|
|
|
1019 |
}
|
|
|
1020 |
|
|
|
1021 |
class iCalendar_property_exrule extends iCalendar_property {
|
|
|
1022 |
|
|
|
1023 |
var $name = 'EXRULE';
|
|
|
1024 |
var $val_type = RFC2445_TYPE_RECUR;
|
|
|
1025 |
|
|
|
1026 |
function __construct() {
|
|
|
1027 |
parent::__construct();
|
|
|
1028 |
$this->valid_parameters = array(
|
|
|
1029 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
1030 |
);
|
|
|
1031 |
}
|
|
|
1032 |
}
|
|
|
1033 |
|
|
|
1034 |
class iCalendar_property_rdate extends iCalendar_property {
|
|
|
1035 |
|
|
|
1036 |
var $name = 'RDATE';
|
|
|
1037 |
var $val_type = RFC2445_TYPE_DATE_TIME;
|
|
|
1038 |
var $val_multi = true;
|
|
|
1039 |
|
|
|
1040 |
function __construct() {
|
|
|
1041 |
parent::__construct();
|
|
|
1042 |
$this->valid_parameters = array(
|
|
|
1043 |
'TZID' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
1044 |
'VALUE' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
1045 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
1046 |
);
|
|
|
1047 |
}
|
|
|
1048 |
|
|
|
1049 |
function is_valid_parameter($parameter, $value) {
|
|
|
1050 |
|
|
|
1051 |
$parameter = strtoupper($parameter);
|
|
|
1052 |
|
|
|
1053 |
if(!parent::is_valid_parameter($parameter, $value)) {
|
|
|
1054 |
return false;
|
|
|
1055 |
}
|
|
|
1056 |
if($parameter == 'VALUE' && !($value == 'DATE' || $value == 'DATE-TIME' || $value == 'PERIOD')) {
|
|
|
1057 |
return false;
|
|
|
1058 |
}
|
|
|
1059 |
|
|
|
1060 |
return true;
|
|
|
1061 |
}
|
|
|
1062 |
|
|
|
1063 |
}
|
|
|
1064 |
|
|
|
1065 |
class iCalendar_property_rrule extends iCalendar_property {
|
|
|
1066 |
|
|
|
1067 |
var $name = 'RRULE';
|
|
|
1068 |
var $val_type = RFC2445_TYPE_RECUR;
|
|
|
1069 |
|
|
|
1070 |
function __construct() {
|
|
|
1071 |
parent::__construct();
|
|
|
1072 |
$this->valid_parameters = array(
|
|
|
1073 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
1074 |
);
|
|
|
1075 |
}
|
|
|
1076 |
}
|
|
|
1077 |
|
|
|
1078 |
// 4.8.6 Alarm Component Properties
|
|
|
1079 |
// -------------------------------------------
|
|
|
1080 |
class iCalendar_property_action extends iCalendar_property {
|
|
|
1081 |
var $name = 'ACTION';
|
|
|
1082 |
var $val_type = RFC2445_TYPE_TEXT;
|
|
|
1083 |
|
|
|
1084 |
function __construct() {
|
|
|
1085 |
parent::__construct();
|
|
|
1086 |
$this->valid_parameters = array(
|
|
|
1087 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
1088 |
);
|
|
|
1089 |
}
|
|
|
1090 |
|
|
|
1091 |
function is_valid_value($value) {
|
|
|
1092 |
if(!parent::is_valid_value($value)) {
|
|
|
1093 |
return false;
|
|
|
1094 |
}
|
|
|
1095 |
|
|
|
1096 |
// Value must be one of the following, or an x-name.
|
|
|
1097 |
$valid_values = array('ACTION', 'DISPLAY', 'EMAIL', 'PROCEDURE');
|
|
|
1098 |
return(in_array($value, $valid_values) || rfc2445_is_xname($value));
|
|
|
1099 |
|
|
|
1100 |
}
|
|
|
1101 |
}
|
|
|
1102 |
|
|
|
1103 |
class iCalendar_property_repeat extends iCalendar_property {
|
|
|
1104 |
var $name = 'REPEAT';
|
|
|
1105 |
var $val_type = RFC2445_TYPE_INTEGER;
|
|
|
1106 |
|
|
|
1107 |
function __construct() {
|
|
|
1108 |
parent::__construct();
|
|
|
1109 |
$this->valid_parameters = array(
|
|
|
1110 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
1111 |
);
|
|
|
1112 |
}
|
|
|
1113 |
}
|
|
|
1114 |
|
|
|
1115 |
class iCalendar_property_trigger extends iCalendar_property {
|
|
|
1116 |
var $name = 'TRIGGER';
|
|
|
1117 |
var $val_type = RFC2445_TYPE_TEXT;
|
|
|
1118 |
|
|
|
1119 |
function __construct() {
|
|
|
1120 |
parent::__construct();
|
|
|
1121 |
$this->valid_parameters = array(
|
|
|
1122 |
'VALUE' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
1123 |
'RELATED' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
1124 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
1125 |
);
|
|
|
1126 |
}
|
|
|
1127 |
|
|
|
1128 |
function is_valid_value($value) {
|
|
|
1129 |
if(!parent::is_valid_value($value)) {
|
|
|
1130 |
return false;
|
|
|
1131 |
}
|
|
|
1132 |
// Must either be DURATION or DATE_TIME type
|
|
|
1133 |
return(rfc2445_is_valid_value($value, RFC2445_TYPE_DURATION)
|
|
|
1134 |
|| rfc2445_is_valid_value($value, RFC2445_TYPE_DATE_TIME));
|
|
|
1135 |
}
|
|
|
1136 |
}
|
|
|
1137 |
|
|
|
1138 |
|
|
|
1139 |
|
|
|
1140 |
// 4.8.7 Change Management Component Properties
|
|
|
1141 |
// --------------------------------------------
|
|
|
1142 |
|
|
|
1143 |
class iCalendar_property_created extends iCalendar_property {
|
|
|
1144 |
|
|
|
1145 |
var $name = 'CREATED';
|
|
|
1146 |
var $val_type = RFC2445_TYPE_DATE_TIME;
|
|
|
1147 |
|
|
|
1148 |
function __construct() {
|
|
|
1149 |
parent::__construct();
|
|
|
1150 |
$this->valid_parameters = array(
|
|
|
1151 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
1152 |
);
|
|
|
1153 |
}
|
|
|
1154 |
|
|
|
1155 |
function is_valid_value($value) {
|
|
|
1156 |
if(!parent::is_valid_value($value)) {
|
|
|
1157 |
return false;
|
|
|
1158 |
}
|
|
|
1159 |
// Time MUST be in UTC format
|
|
|
1160 |
return(substr($value, -1) == 'Z');
|
|
|
1161 |
}
|
|
|
1162 |
}
|
|
|
1163 |
|
|
|
1164 |
class iCalendar_property_dtstamp extends iCalendar_property {
|
|
|
1165 |
|
|
|
1166 |
var $name = 'DTSTAMP';
|
|
|
1167 |
var $val_type = RFC2445_TYPE_DATE_TIME;
|
|
|
1168 |
|
|
|
1169 |
function __construct() {
|
|
|
1170 |
parent::__construct();
|
|
|
1171 |
$this->valid_parameters = array(
|
|
|
1172 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
1173 |
);
|
|
|
1174 |
}
|
|
|
1175 |
|
|
|
1176 |
function is_valid_value($value) {
|
|
|
1177 |
if(!parent::is_valid_value($value)) {
|
|
|
1178 |
return false;
|
|
|
1179 |
}
|
|
|
1180 |
// Time MUST be in UTC format
|
|
|
1181 |
return(substr($value, -1) == 'Z');
|
|
|
1182 |
}
|
|
|
1183 |
}
|
|
|
1184 |
|
|
|
1185 |
class iCalendar_property_last_modified extends iCalendar_property {
|
|
|
1186 |
|
|
|
1187 |
var $name = 'LAST-MODIFIED';
|
|
|
1188 |
var $val_type = RFC2445_TYPE_DATE_TIME;
|
|
|
1189 |
|
|
|
1190 |
function __construct() {
|
|
|
1191 |
parent::__construct();
|
|
|
1192 |
$this->valid_parameters = array(
|
|
|
1193 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
1194 |
);
|
|
|
1195 |
}
|
|
|
1196 |
|
|
|
1197 |
function is_valid_value($value) {
|
|
|
1198 |
if(!parent::is_valid_value($value)) {
|
|
|
1199 |
return false;
|
|
|
1200 |
}
|
|
|
1201 |
// Time MUST be in UTC format
|
|
|
1202 |
return(substr($value, -1) == 'Z');
|
|
|
1203 |
}
|
|
|
1204 |
}
|
|
|
1205 |
|
|
|
1206 |
class iCalendar_property_sequence extends iCalendar_property {
|
|
|
1207 |
|
|
|
1208 |
var $name = 'SEQUENCE';
|
|
|
1209 |
var $val_type = RFC2445_TYPE_INTEGER;
|
|
|
1210 |
var $val_default = 0;
|
|
|
1211 |
|
|
|
1212 |
function __construct() {
|
|
|
1213 |
parent::__construct();
|
|
|
1214 |
$this->valid_parameters = array(
|
|
|
1215 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
1216 |
);
|
|
|
1217 |
}
|
|
|
1218 |
|
|
|
1219 |
function is_valid_value($value) {
|
|
|
1220 |
if(!parent::is_valid_value($value)) {
|
|
|
1221 |
return false;
|
|
|
1222 |
}
|
|
|
1223 |
$value = intval($value);
|
|
|
1224 |
return ($value >= 0);
|
|
|
1225 |
}
|
|
|
1226 |
}
|
|
|
1227 |
|
|
|
1228 |
// 4.8.8 Miscellaneous Component Properties
|
|
|
1229 |
// ----------------------------------------
|
|
|
1230 |
|
|
|
1231 |
class iCalendar_property_x extends iCalendar_property {
|
|
|
1232 |
|
|
|
1233 |
var $name = RFC2445_XNAME;
|
|
|
1234 |
var $val_type = NULL;
|
|
|
1235 |
|
|
|
1236 |
function __construct() {
|
|
|
1237 |
parent::__construct();
|
|
|
1238 |
$this->valid_parameters = array(
|
|
|
1239 |
// X-ALT-DESC (Description) can have FMTTYPE declaration of text/html is a property for HTML content.
|
|
|
1240 |
'FMTTYPE' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
1241 |
'LANGUAGE' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
1242 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
1243 |
);
|
|
|
1244 |
}
|
|
|
1245 |
|
|
|
1246 |
function set_name($name) {
|
|
|
1247 |
|
|
|
1248 |
$name = strtoupper($name);
|
|
|
1249 |
|
|
|
1250 |
if(rfc2445_is_xname($name)) {
|
|
|
1251 |
$this->name = $name;
|
|
|
1252 |
return true;
|
|
|
1253 |
}
|
|
|
1254 |
|
|
|
1255 |
return false;
|
|
|
1256 |
}
|
|
|
1257 |
}
|
|
|
1258 |
|
|
|
1259 |
class iCalendar_property_request_status extends iCalendar_property {
|
|
|
1260 |
|
|
|
1261 |
// IMPORTANT NOTE: This property value includes TEXT fields
|
|
|
1262 |
// separated by semicolons. Unfortunately, auto-value-formatting
|
|
|
1263 |
// cannot be used in this case. As an exception, the value passed
|
|
|
1264 |
// to this property MUST be already escaped.
|
|
|
1265 |
|
|
|
1266 |
var $name = 'REQUEST-STATUS';
|
|
|
1267 |
var $val_type = RFC2445_TYPE_TEXT;
|
|
|
1268 |
|
|
|
1269 |
function __construct() {
|
|
|
1270 |
parent::__construct();
|
|
|
1271 |
$this->valid_parameters = array(
|
|
|
1272 |
'LANGUAGE' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
1273 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
1274 |
);
|
|
|
1275 |
}
|
|
|
1276 |
|
|
|
1277 |
function is_valid_value($value) {
|
|
|
1278 |
if(!is_string($value) || empty($value)) {
|
|
|
1279 |
return false;
|
|
|
1280 |
}
|
|
|
1281 |
|
|
|
1282 |
$len = strlen($value);
|
|
|
1283 |
$parts = array();
|
|
|
1284 |
$from = 0;
|
|
|
1285 |
$escch = false;
|
|
|
1286 |
|
|
|
1287 |
for($i = 0; $i < $len; ++$i) {
|
|
|
1288 |
if($value[$i] == ';' && !$escch) {
|
|
|
1289 |
// Token completed
|
|
|
1290 |
$parts[] = substr($value, $from, $i - $from);
|
|
|
1291 |
$from = $i + 1;
|
|
|
1292 |
continue;
|
|
|
1293 |
}
|
|
|
1294 |
$escch = ($value[$i] == '\\');
|
|
|
1295 |
}
|
|
|
1296 |
// Add one last token with the remaining text; if the value
|
|
|
1297 |
// ended with a ';' it was illegal, so check that this token
|
|
|
1298 |
// is not the empty string.
|
|
|
1299 |
$parts[] = substr($value, $from);
|
|
|
1300 |
|
|
|
1301 |
$count = count($parts);
|
|
|
1302 |
|
|
|
1303 |
// May have 2 or 3 tokens (last one is optional)
|
|
|
1304 |
if($count != 2 && $count != 3) {
|
|
|
1305 |
return false;
|
|
|
1306 |
}
|
|
|
1307 |
|
|
|
1308 |
// REMEMBER: if ANY part is empty, we have an illegal value
|
|
|
1309 |
|
|
|
1310 |
// First token must be hierarchical numeric status (3 levels max)
|
|
|
1311 |
if(strlen($parts[0]) == 0) {
|
|
|
1312 |
return false;
|
|
|
1313 |
}
|
|
|
1314 |
|
|
|
1315 |
if($parts[0][0] < '1' || $parts[0][0] > '4') {
|
|
|
1316 |
return false;
|
|
|
1317 |
}
|
|
|
1318 |
|
|
|
1319 |
$len = strlen($parts[0]);
|
|
|
1320 |
|
|
|
1321 |
// Max 3 levels, and can't end with a period
|
|
|
1322 |
if($len > 5 || $parts[0][$len - 1] == '.') {
|
|
|
1323 |
return false;
|
|
|
1324 |
}
|
|
|
1325 |
|
|
|
1326 |
for($i = 1; $i < $len; ++$i) {
|
|
|
1327 |
if(($i & 1) == 1 && $parts[0][$i] != '.') {
|
|
|
1328 |
// Even-indexed chars must be periods
|
|
|
1329 |
return false;
|
|
|
1330 |
}
|
|
|
1331 |
else if(($i & 1) == 0 && ($parts[0][$i] < '0' || $parts[0][$i] > '9')) {
|
|
|
1332 |
// Odd-indexed chars must be numbers
|
|
|
1333 |
return false;
|
|
|
1334 |
}
|
|
|
1335 |
}
|
|
|
1336 |
|
|
|
1337 |
// Second and third tokens must be TEXT, and already escaped, so
|
|
|
1338 |
// they are not allowed to have UNESCAPED semicolons, commas, slashes,
|
|
|
1339 |
// or any newlines at all
|
|
|
1340 |
|
|
|
1341 |
for($i = 1; $i < $count; ++$i) {
|
|
|
1342 |
if(strpos($parts[$i], "\n") !== false) {
|
|
|
1343 |
return false;
|
|
|
1344 |
}
|
|
|
1345 |
|
|
|
1346 |
$len = strlen($parts[$i]);
|
|
|
1347 |
if($len == 0) {
|
|
|
1348 |
// Cannot be empty
|
|
|
1349 |
return false;
|
|
|
1350 |
}
|
|
|
1351 |
|
|
|
1352 |
$parts[$i] .= '#'; // This guard token saves some conditionals in the loop
|
|
|
1353 |
|
|
|
1354 |
for($j = 0; $j < $len; ++$j) {
|
|
|
1355 |
$thischar = $parts[$i][$j];
|
|
|
1356 |
$nextchar = $parts[$i][$j + 1];
|
|
|
1357 |
if($thischar == '\\') {
|
|
|
1358 |
// Next char must now be one of ";,\nN"
|
|
|
1359 |
if($nextchar != ';' && $nextchar != ',' && $nextchar != '\\' &&
|
|
|
1360 |
$nextchar != 'n' && $nextchar != 'N') {
|
|
|
1361 |
return false;
|
|
|
1362 |
}
|
|
|
1363 |
|
|
|
1364 |
// OK, this escaped sequence is correct, bypass next char
|
|
|
1365 |
++$j;
|
|
|
1366 |
continue;
|
|
|
1367 |
}
|
|
|
1368 |
if($thischar == ';' || $thischar == ',' || $thischar == '\\') {
|
|
|
1369 |
// This wasn't escaped as it should
|
|
|
1370 |
return false;
|
|
|
1371 |
}
|
|
|
1372 |
}
|
|
|
1373 |
}
|
|
|
1374 |
|
|
|
1375 |
return true;
|
|
|
1376 |
}
|
|
|
1377 |
|
|
|
1378 |
function set_value($value) {
|
|
|
1379 |
// Must override this, otherwise the value would be quoted again
|
|
|
1380 |
if($this->is_valid_value($value)) {
|
|
|
1381 |
$this->value = $value;
|
|
|
1382 |
return true;
|
|
|
1383 |
}
|
|
|
1384 |
|
|
|
1385 |
return false;
|
|
|
1386 |
}
|
|
|
1387 |
|
|
|
1388 |
}
|
|
|
1389 |
|
|
|
1390 |
class iCalendar_property_tzid extends iCalendar_property {
|
|
|
1391 |
|
|
|
1392 |
var $name = 'TZID';
|
|
|
1393 |
var $val_type = RFC2445_TYPE_TEXT;
|
|
|
1394 |
|
|
|
1395 |
function __construct() {
|
|
|
1396 |
parent::__construct();
|
|
|
1397 |
$this->valid_parameters = array(
|
|
|
1398 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
1399 |
);
|
|
|
1400 |
}
|
|
|
1401 |
|
|
|
1402 |
function is_valid_value($value) {
|
|
|
1403 |
if(!parent::is_valid_value($value)) {
|
|
|
1404 |
return false;
|
|
|
1405 |
} else {
|
|
|
1406 |
return true;
|
|
|
1407 |
}
|
|
|
1408 |
}
|
|
|
1409 |
}
|
|
|
1410 |
|
|
|
1411 |
class iCalendar_property_tzname extends iCalendar_property {
|
|
|
1412 |
|
|
|
1413 |
var $name = 'TZNAME';
|
|
|
1414 |
var $val_type = RFC2445_TYPE_TEXT;
|
|
|
1415 |
|
|
|
1416 |
function __construct() {
|
|
|
1417 |
parent::__construct();
|
|
|
1418 |
$this->valid_parameters = array(
|
|
|
1419 |
'LANGUAGE' => RFC2445_OPTIONAL | RFC2445_ONCE,
|
|
|
1420 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
1421 |
);
|
|
|
1422 |
}
|
|
|
1423 |
|
|
|
1424 |
function is_valid_value($value) {
|
|
|
1425 |
if(!parent::is_valid_value($value)) {
|
|
|
1426 |
return false;
|
|
|
1427 |
} else {
|
|
|
1428 |
return true;
|
|
|
1429 |
}
|
|
|
1430 |
}
|
|
|
1431 |
}
|
|
|
1432 |
|
|
|
1433 |
class iCalendar_property_tzoffsetfrom extends iCalendar_property {
|
|
|
1434 |
|
|
|
1435 |
var $name = 'TZOFFSETFROM';
|
|
|
1436 |
var $val_type = RFC2445_TYPE_UTC_OFFSET;
|
|
|
1437 |
|
|
|
1438 |
function __construct() {
|
|
|
1439 |
parent::__construct();
|
|
|
1440 |
$this->valid_parameters = array(
|
|
|
1441 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
1442 |
);
|
|
|
1443 |
}
|
|
|
1444 |
|
|
|
1445 |
function is_valid_value($value) {
|
|
|
1446 |
if(!parent::is_valid_value($value)) {
|
|
|
1447 |
return false;
|
|
|
1448 |
} else {
|
|
|
1449 |
return true;
|
|
|
1450 |
}
|
|
|
1451 |
}
|
|
|
1452 |
}
|
|
|
1453 |
|
|
|
1454 |
class iCalendar_property_tzoffsetto extends iCalendar_property {
|
|
|
1455 |
|
|
|
1456 |
var $name = 'TZOFFSETTO';
|
|
|
1457 |
var $val_type = RFC2445_TYPE_UTC_OFFSET;
|
|
|
1458 |
|
|
|
1459 |
function __construct() {
|
|
|
1460 |
parent::__construct();
|
|
|
1461 |
$this->valid_parameters = array(
|
|
|
1462 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
1463 |
);
|
|
|
1464 |
}
|
|
|
1465 |
|
|
|
1466 |
function is_valid_value($value) {
|
|
|
1467 |
if(!parent::is_valid_value($value)) {
|
|
|
1468 |
return false;
|
|
|
1469 |
} else {
|
|
|
1470 |
return true;
|
|
|
1471 |
}
|
|
|
1472 |
}
|
|
|
1473 |
}
|
|
|
1474 |
|
|
|
1475 |
class iCalendar_property_tzurl extends iCalendar_property {
|
|
|
1476 |
|
|
|
1477 |
var $name = 'TZURL';
|
|
|
1478 |
var $val_type = RFC2445_TYPE_URI;
|
|
|
1479 |
|
|
|
1480 |
function __construct() {
|
|
|
1481 |
parent::__construct();
|
|
|
1482 |
$this->valid_parameters = array(
|
|
|
1483 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
1484 |
);
|
|
|
1485 |
}
|
|
|
1486 |
}
|
|
|
1487 |
|
|
|
1488 |
#######################
|
|
|
1489 |
/*
|
|
|
1490 |
class iCalendar_property_class extends iCalendar_property {
|
|
|
1491 |
|
|
|
1492 |
var $name = 'CLASS';
|
|
|
1493 |
var $val_type = RFC2445_TYPE_TEXT;
|
|
|
1494 |
|
|
|
1495 |
function __construct() {
|
|
|
1496 |
parent::__construct();
|
|
|
1497 |
$this->valid_parameters = array(
|
|
|
1498 |
RFC2445_XNAME => RFC2445_OPTIONAL
|
|
|
1499 |
);
|
|
|
1500 |
}
|
|
|
1501 |
}
|
|
|
1502 |
*/
|
|
|
1503 |
|