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iCalcreator.class.php
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<?php
/*********************************************************************************/
/**
* iCalcreator v2.12
* copyright (c) 2007-2011 Kjell-Inge Gustafsson kigkonsult
* kigkonsult.se/iCalcreator/index.php
*
* Description:
* This file is a PHP implementation of RFC 2445.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*********************************************************************************/
/*********************************************************************************/
/* A little setup */
/*********************************************************************************/
/* your local language code */
// define( 'ICAL_LANG', 'sv' );
// alt. autosetting
/*
$langstr = $_SERVER['HTTP_ACCEPT_LANGUAGE'];
$pos = strpos( $langstr, ';' );
if ($pos !== false) {
$langstr = substr( $langstr, 0, $pos );
$pos = strpos( $langstr, ',' );
if ($pos !== false) {
$pos = strpos( $langstr, ',' );
$langstr = substr( $langstr, 0, $pos );
}
define( 'ICAL_LANG', $langstr );
}
*/
/*********************************************************************************/
/* only for phpversion 5.1 and later, */
/* date management, default timezone setting */
/* since 2.6.36 - 2010-12-31 */
if( substr( phpversion(), 0, 3 ) >= '5.1' )
// && ( 'UTC' == date_default_timezone_get()))
date_default_timezone_set( 'Europe/Stockholm' );
/*********************************************************************************/
/* version, do NOT remove!! */
define( 'ICALCREATOR_VERSION', 'iCalcreator 2.12' );
/*********************************************************************************/
/*********************************************************************************/
/**
* vcalendar class
*
* @author Kjell-Inge Gustafsson, kigkonsult <[email protected]>
* @since 2.9.6 - 2011-05-14
*/
class vcalendar {
// calendar property variables
var $calscale;
var $method;
var $prodid;
var $version;
var $xprop;
// container for calendar components
var $components;
// component config variables
var $allowEmpty;
var $unique_id;
var $language;
var $directory;
var $filename;
var $url;
var $delimiter;
var $nl;
var $format;
var $dtzid;
// component internal variables
var $attributeDelimiter;
var $valueInit;
// component xCal declaration container
var $xcaldecl;
/**
* constructor for calendar object
*
* @author Kjell-Inge Gustafsson, kigkonsult <[email protected]>
* @since 2.9.6 - 2011-05-14
* @param array $config
* @return void
*/
function vcalendar ( $config = array()) {
$this->_makeVersion();
$this->calscale = null;
$this->method = null;
$this->_makeUnique_id();
$this->prodid = null;
$this->xprop = array();
$this->language = null;
$this->directory = null;
$this->filename = null;
$this->url = null;
$this->dtzid = null;
/**
* language = <Text identifying a language, as defined in [RFC 1766]>
*/
if( defined( 'ICAL_LANG' ) && !isset( $config['language'] ))
$config['language'] = ICAL_LANG;
if( !isset( $config['allowEmpty'] )) $config['allowEmpty'] = TRUE;
if( !isset( $config['nl'] )) $config['nl'] = "\r\n";
if( !isset( $config['format'] )) $config['format'] = 'iCal';
if( !isset( $config['delimiter'] )) $config['delimiter'] = DIRECTORY_SEPARATOR;
$this->setConfig( $config );
$this->xcaldecl = array();
$this->components = array();
}
/*********************************************************************************/
/**
* Property Name: CALSCALE
*/
/**
* creates formatted output for calendar property calscale
*
* @author Kjell-Inge Gustafsson, kigkonsult <[email protected]>
* @since 2.10.16 - 2011-10-28
* @return string
*/
function createCalscale() {
if( empty( $this->calscale )) return FALSE;
switch( $this->format ) {
case 'xcal':
return $this->nl.' calscale="'.$this->calscale.'"';
break;
default:
return 'CALSCALE:'.$this->calscale.$this->nl;
break;
}
}
/**
* set calendar property calscale
*
* @author Kjell-Inge Gustafsson, kigkonsult <[email protected]>
* @since 2.4.8 - 2008-10-21
* @param string $value
* @return void
*/
function setCalscale( $value ) {
if( empty( $value )) return FALSE;
$this->calscale = $value;
}
/*********************************************************************************/
/**
* Property Name: METHOD
*/
/**
* creates formatted output for calendar property method
*
* @author Kjell-Inge Gustafsson, kigkonsult <[email protected]>
* @since 2.10.16 - 2011-10-28
* @return string
*/
function createMethod() {
if( empty( $this->method )) return FALSE;
switch( $this->format ) {
case 'xcal':
return $this->nl.' method="'.$this->method.'"';
break;
default:
return 'METHOD:'.$this->method.$this->nl;
break;
}
}
/**
* set calendar property method
*
* @author Kjell-Inge Gustafsson, kigkonsult <[email protected]>
* @since 2.4.8 - 2008-20-23
* @param string $value
* @return bool
*/
function setMethod( $value ) {
if( empty( $value )) return FALSE;
$this->method = $value;
return TRUE;
}
/*********************************************************************************/
/**
* Property Name: PRODID
*
* The identifier is RECOMMENDED to be the identical syntax to the
* [RFC 822] addr-spec. A good method to assure uniqueness is to put the
* domain name or a domain literal IP address of the host on which.. .
*/
/**
* creates formatted output for calendar property prodid
*
* @author Kjell-Inge Gustafsson, kigkonsult <[email protected]>
* @since 2.10.16 - 2011-10-28
* @return string
*/
function createProdid() {
if( !isset( $this->prodid ))
$this->_makeProdid();
switch( $this->format ) {
case 'xcal':
return $this->nl.' prodid="'.$this->prodid.'"';
break;
default:
return 'PRODID:'.$this->prodid.$this->nl;
break;
}
}
/**
* make default value for calendar prodid
*
* @author Kjell-Inge Gustafsson, kigkonsult <[email protected]>
* @since 2.6.8 - 2009-12-30
* @return void
*/
function _makeProdid() {
$this->prodid = '-//'.$this->unique_id.'//NONSGML kigkonsult.se '.ICALCREATOR_VERSION.'//'.strtoupper( $this->language );
}
/**
* Conformance: The property MUST be specified once in an iCalendar object.
* Description: The vendor of the implementation SHOULD assure that this
* is a globally unique identifier; using some technique such as an FPI
* value, as defined in [ISO 9070].
*/
/**
* make default unique_id for calendar prodid
*
* @author Kjell-Inge Gustafsson, kigkonsult <[email protected]>
* @since 0.3.0 - 2006-08-10
* @return void
*/
function _makeUnique_id() {
$this->unique_id = ( isset( $_SERVER['SERVER_NAME'] )) ? gethostbyname( $_SERVER['SERVER_NAME'] ) : 'localhost';
}
/*********************************************************************************/
/**
* Property Name: VERSION
*
* Description: A value of "2.0" corresponds to this memo.
*/
/**
* creates formatted output for calendar property version
*
* @author Kjell-Inge Gustafsson, kigkonsult <[email protected]>
* @since 2.10.16 - 2011-10-28
* @return string
*/
function createVersion() {
if( empty( $this->version ))
$this->_makeVersion();
switch( $this->format ) {
case 'xcal':
return $this->nl.' version="'.$this->version.'"';
break;
default:
return 'VERSION:'.$this->version.$this->nl;
break;
}
}
/**
* set default calendar version
*
* @author Kjell-Inge Gustafsson, kigkonsult <[email protected]>
* @since 0.3.0 - 2006-08-10
* @return void
*/
function _makeVersion() {
$this->version = '2.0';
}
/**
* set calendar version
*
* @author Kjell-Inge Gustafsson, kigkonsult <[email protected]>
* @since 2.4.8 - 2008-10-23
* @param string $value
* @return void
*/
function setVersion( $value ) {
if( empty( $value )) return FALSE;
$this->version = $value;
return TRUE;
}
/*********************************************************************************/
/**
* Property Name: x-prop
*/
/**
* creates formatted output for calendar property x-prop, iCal format only
*
* @author Kjell-Inge Gustafsson, kigkonsult <[email protected]>
* @since 2.10.16 - 2011-11-01
* @return string
*/
function createXprop() {
if( empty( $this->xprop ) || !is_array( $this->xprop )) return FALSE;
$output = null;
$toolbox = new calendarComponent();
$toolbox->setConfig( $this->getConfig());
foreach( $this->xprop as $label => $xpropPart ) {
if( !isset($xpropPart['value']) || ( empty( $xpropPart['value'] ) && !is_numeric( $xpropPart['value'] ))) {
$output .= $toolbox->_createElement( $label );
continue;
}
$attributes = $toolbox->_createParams( $xpropPart['params'], array( 'LANGUAGE' ));
if( is_array( $xpropPart['value'] )) {
foreach( $xpropPart['value'] as $pix => $theXpart )
$xpropPart['value'][$pix] = $toolbox->_strrep( $theXpart );
$xpropPart['value'] = implode( ',', $xpropPart['value'] );
}
else
$xpropPart['value'] = $toolbox->_strrep( $xpropPart['value'] );
$output .= $toolbox->_createElement( $label, $attributes, $xpropPart['value'] );
if( is_array( $toolbox->xcaldecl ) && ( 0 < count( $toolbox->xcaldecl ))) {
foreach( $toolbox->xcaldecl as $localxcaldecl )
$this->xcaldecl[] = $localxcaldecl;
}
}
return $output;
}
/**
* set calendar property x-prop
*
* @author Kjell-Inge Gustafsson, kigkonsult <[email protected]>
* @since 2.11.9 - 2012-01-16
* @param string $label
* @param string $value
* @param array $params optional
* @return bool
*/
function setXprop( $label, $value, $params=FALSE ) {
if( empty( $label ))
return FALSE;
if( 'X-' != strtoupper( substr( $label, 0, 2 )))
return FALSE;
if( empty( $value ) && !is_numeric( $value )) if( $this->getConfig( 'allowEmpty' )) $value = null; else return FALSE;
$xprop = array( 'value' => $value );
$xprop['params'] = iCalUtilityFunctions::_setParams( $params );
if( !is_array( $this->xprop )) $this->xprop = array();
$this->xprop[strtoupper( $label )] = $xprop;
return TRUE;
}
/*********************************************************************************/
/**
* delete calendar property value
*
* @author Kjell-Inge Gustafsson, kigkonsult <[email protected]>
* @since 2.8.8 - 2011-03-15
* @param mixed $propName, bool FALSE => X-property
* @param int $propix, optional, if specific property is wanted in case of multiply occurences
* @return bool, if successfull delete
*/
function deleteProperty( $propName=FALSE, $propix=FALSE ) {
$propName = ( $propName ) ? strtoupper( $propName ) : 'X-PROP';
if( !$propix )
$propix = ( isset( $this->propdelix[$propName] ) && ( 'X-PROP' != $propName )) ? $this->propdelix[$propName] + 2 : 1;
$this->propdelix[$propName] = --$propix;
$return = FALSE;
switch( $propName ) {
case 'CALSCALE':
if( isset( $this->calscale )) {
$this->calscale = null;
$return = TRUE;
}
break;
case 'METHOD':
if( isset( $this->method )) {
$this->method = null;
$return = TRUE;
}
break;
default:
$reduced = array();
if( $propName != 'X-PROP' ) {
if( !isset( $this->xprop[$propName] )) { unset( $this->propdelix[$propName] ); return FALSE; }
foreach( $this->xprop as $k => $a ) {
if(( $k != $propName ) && !empty( $a ))
$reduced[$k] = $a;
}
}
else {
if( count( $this->xprop ) <= $propix ) return FALSE;
$xpropno = 0;
foreach( $this->xprop as $xpropkey => $xpropvalue ) {
if( $propix != $xpropno )
$reduced[$xpropkey] = $xpropvalue;
$xpropno++;
}
}
$this->xprop = $reduced;
if( empty( $this->xprop )) {
unset( $this->propdelix[$propName] );
return FALSE;
}
return TRUE;
}
return $return;
}
/**
* get calendar property value/params
*
* @author Kjell-Inge Gustafsson, kigkonsult <[email protected]>
* @since 2.8.8 - 2011-04-16
* @param string $propName, optional
* @param int $propix, optional, if specific property is wanted in case of multiply occurences
* @param bool $inclParam=FALSE
* @return mixed
*/
function getProperty( $propName=FALSE, $propix=FALSE, $inclParam=FALSE ) {
$propName = ( $propName ) ? strtoupper( $propName ) : 'X-PROP';
if( 'X-PROP' == $propName ) {
if( !$propix )
$propix = ( isset( $this->propix[$propName] )) ? $this->propix[$propName] + 2 : 1;
$this->propix[$propName] = --$propix;
}
switch( $propName ) {
case 'ATTENDEE':
case 'CATEGORIES':
case 'DTSTART':
case 'LOCATION':
case 'ORGANIZER':
case 'PRIORITY':
case 'RESOURCES':
case 'STATUS':
case 'SUMMARY':
case 'RECURRENCE-ID-UID':
case 'R-UID':
case 'UID':
$output = array();
foreach ( $this->components as $cix => $component) {
if( !in_array( $component->objName, array('vevent', 'vtodo', 'vjournal', 'vfreebusy' )))
continue;
if(( 'ATTENDEE' == $propName ) || ( 'CATEGORIES' == $propName ) || ( 'RESOURCES' == $propName )) {
$component->_getProperties( $propName, $output );
continue;
}
elseif(( 3 < strlen( $propName )) && ( 'UID' == substr( $propName, -3 ))) {
if( FALSE !== ( $content = $component->getProperty( 'RECURRENCE-ID' )))
$content = $component->getProperty( 'UID' );
}
elseif( FALSE === ( $content = $component->getProperty( $propName )))
continue;
if( FALSE === $content )
continue;
elseif( is_array( $content )) {
if( isset( $content['year'] )) {
$key = sprintf( '%04d%02d%02d', $content['year'], $content['month'], $content['day'] );
if( !isset( $output[$key] ))
$output[$key] = 1;
else
$output[$key] += 1;
}
else {
foreach( $content as $partValue => $partCount ) {
if( !isset( $output[$partValue] ))
$output[$partValue] = $partCount;
else
$output[$partValue] += $partCount;
}
}
} // end elseif( is_array( $content )) {
elseif( !isset( $output[$content] ))
$output[$content] = 1;
else
$output[$content] += 1;
} // end foreach ( $this->components as $cix => $component)
if( !empty( $output ))
ksort( $output );
return $output;
break;
case 'CALSCALE':
return ( !empty( $this->calscale )) ? $this->calscale : FALSE;
break;
case 'METHOD':
return ( !empty( $this->method )) ? $this->method : FALSE;
break;
case 'PRODID':
if( empty( $this->prodid ))
$this->_makeProdid();
return $this->prodid;
break;
case 'VERSION':
return ( !empty( $this->version )) ? $this->version : FALSE;
break;
default:
if( $propName != 'X-PROP' ) {
if( !isset( $this->xprop[$propName] )) return FALSE;
return ( $inclParam ) ? array( $propName, $this->xprop[$propName] )
: array( $propName, $this->xprop[$propName]['value'] );
}
else {
if( empty( $this->xprop )) return FALSE;
$xpropno = 0;
foreach( $this->xprop as $xpropkey => $xpropvalue ) {
if( $propix == $xpropno )
return ( $inclParam ) ? array( $xpropkey, $this->xprop[$xpropkey] )
: array( $xpropkey, $this->xprop[$xpropkey]['value'] );
else
$xpropno++;
}
unset( $this->propix[$propName] );
return FALSE; // not found ??
}
}
return FALSE;
}
/**
* general vcalendar property setting
*
* @author Kjell-Inge Gustafsson, kigkonsult <[email protected]>
* @since 2.2.13 - 2007-11-04
* @param mixed $args variable number of function arguments,
* first argument is ALWAYS component name,
* second ALWAYS component value!
* @return bool
*/
function setProperty () {
$numargs = func_num_args();
if( 1 > $numargs )
return FALSE;
$arglist = func_get_args();
$arglist[0] = strtoupper( $arglist[0] );
switch( $arglist[0] ) {
case 'CALSCALE':
return $this->setCalscale( $arglist[1] );
case 'METHOD':
return $this->setMethod( $arglist[1] );
case 'VERSION':
return $this->setVersion( $arglist[1] );
default:
if( !isset( $arglist[1] )) $arglist[1] = null;
if( !isset( $arglist[2] )) $arglist[2] = null;
return $this->setXprop( $arglist[0], $arglist[1], $arglist[2] );
}
return FALSE;
}
/*********************************************************************************/
/**
* get vcalendar config values or * calendar components
*
* @author Kjell-Inge Gustafsson, kigkonsult <[email protected]>
* @since 2.11.7 - 2012-01-12
* @param mixed $config
* @return value
*/
function getConfig( $config = FALSE ) {
if( !$config ) {
$return = array();
$return['ALLOWEMPTY'] = $this->getConfig( 'ALLOWEMPTY' );
$return['DELIMITER'] = $this->getConfig( 'DELIMITER' );
$return['DIRECTORY'] = $this->getConfig( 'DIRECTORY' );
$return['FILENAME'] = $this->getConfig( 'FILENAME' );
$return['DIRFILE'] = $this->getConfig( 'DIRFILE' );
$return['FILESIZE'] = $this->getConfig( 'FILESIZE' );
$return['FORMAT'] = $this->getConfig( 'FORMAT' );
if( FALSE !== ( $lang = $this->getConfig( 'LANGUAGE' )))
$return['LANGUAGE'] = $lang;
$return['NEWLINECHAR'] = $this->getConfig( 'NEWLINECHAR' );
$return['UNIQUE_ID'] = $this->getConfig( 'UNIQUE_ID' );
if( FALSE !== ( $url = $this->getConfig( 'URL' )))
$return['URL'] = $url;
$return['TZID'] = $this->getConfig( 'TZID' );
return $return;
}
switch( strtoupper( $config )) {
case 'ALLOWEMPTY':
return $this->allowEmpty;
break;
case 'COMPSINFO':
unset( $this->compix );
$info = array();
foreach( $this->components as $cix => $component ) {
if( empty( $component )) continue;
$info[$cix]['ordno'] = $cix + 1;
$info[$cix]['type'] = $component->objName;
$info[$cix]['uid'] = $component->getProperty( 'uid' );
$info[$cix]['props'] = $component->getConfig( 'propinfo' );
$info[$cix]['sub'] = $component->getConfig( 'compsinfo' );
}
return $info;
break;
case 'DELIMITER':
return $this->delimiter;
break;
case 'DIRECTORY':
if( empty( $this->directory ) && ( '0' != $this->directory ))
$this->directory = '.';
return $this->directory;
break;
case 'DIRFILE':
return $this->getConfig( 'directory' ).$this->getConfig( 'delimiter' ).$this->getConfig( 'filename' );
break;
case 'FILEINFO':
return array( $this->getConfig( 'directory' )
, $this->getConfig( 'filename' )
, $this->getConfig( 'filesize' ));
break;
case 'FILENAME':
if( empty( $this->filename ) && ( '0' != $this->filename )) {
if( 'xcal' == $this->format )
$this->filename = date( 'YmdHis' ).'.xml'; // recommended xcs.. .
else
$this->filename = date( 'YmdHis' ).'.ics';
}
return $this->filename;
break;
case 'FILESIZE':
$size = 0;
if( empty( $this->url )) {
$dirfile = $this->getConfig( 'dirfile' );
if( !is_file( $dirfile ) || ( FALSE === ( $size = filesize( $dirfile ))))
$size = 0;
clearstatcache();
}
return $size;
break;
case 'FORMAT':
return ( $this->format == 'xcal' ) ? 'xCal' : 'iCal';
break;
case 'LANGUAGE':
/* get language for calendar component as defined in [RFC 1766] */
return $this->language;
break;
case 'NL':
case 'NEWLINECHAR':
return $this->nl;
break;
case 'TZID':
return $this->dtzid;
break;
case 'UNIQUE_ID':
return $this->unique_id;
break;
case 'URL':
if( !empty( $this->url ))
return $this->url;
else
return FALSE;
break;
}
}
/**
* general vcalendar config setting
*
* @author Kjell-Inge Gustafsson, kigkonsult <[email protected]>
* @since 2.11.11 - 2011-01-16
* @param mixed $config
* @param string $value
* @return void
*/
function setConfig( $config, $value = FALSE) {
if( is_array( $config )) {
$ak = array_keys( $config );
foreach( $ak as $k ) {
if( 'DIRECTORY' == strtoupper( $k )) {
if( FALSE === $this->setConfig( 'DIRECTORY', $config[$k] ))
return FALSE;
unset( $config[$k] );
}
elseif( 'NEWLINECHAR' == strtoupper( $k )) {
if( FALSE === $this->setConfig( 'NEWLINECHAR', $config[$k] ))
return FALSE;
unset( $config[$k] );
}
}
foreach( $config as $cKey => $cValue ) {
if( FALSE === $this->setConfig( $cKey, $cValue ))
return FALSE;
}
return TRUE;
}
$res = FALSE;
switch( strtoupper( $config )) {
case 'ALLOWEMPTY':
$this->allowEmpty = $value;
$subcfg = array( 'ALLOWEMPTY' => $value );
$res = TRUE;
break;
case 'DELIMITER':
$this->delimiter = $value;
return TRUE;
break;
case 'DIRECTORY':
$value = trim( $value );
$del = $this->getConfig('delimiter');
if( $del == substr( $value, ( 0 - strlen( $del ))))
$value = substr( $value, 0, ( strlen( $value ) - strlen( $del )));
if( is_dir( $value )) {
/* local directory */
clearstatcache();
$this->directory = $value;
$this->url = null;
return TRUE;
}
else
return FALSE;
break;
case 'FILENAME':
$value = trim( $value );
if( !empty( $this->url )) {
/* remote directory+file -> URL */
$this->filename = $value;
return TRUE;
}
$dirfile = $this->getConfig( 'directory' ).$this->getConfig( 'delimiter' ).$value;
if( file_exists( $dirfile )) {
/* local file exists */
if( is_readable( $dirfile ) || is_writable( $dirfile )) {
clearstatcache();
$this->filename = $value;
return TRUE;
}
else
return FALSE;
}
elseif( is_readable($this->getConfig( 'directory' ) ) || is_writable( $this->getConfig( 'directory' ) )) {
/* read- or writable directory */
$this->filename = $value;
return TRUE;
}
else
return FALSE;
break;
case 'FORMAT':
$value = trim( strtolower( $value ));
if( 'xcal' == $value ) {
$this->format = 'xcal';
$this->attributeDelimiter = $this->nl;
$this->valueInit = null;
}
else {
$this->format = null;
$this->attributeDelimiter = ';';
$this->valueInit = ':';
}
$subcfg = array( 'FORMAT' => $value );
$res = TRUE;
break;
case 'LANGUAGE':
// set language for calendar component as defined in [RFC 1766]
$value = trim( $value );
$this->language = $value;
$subcfg = array( 'LANGUAGE' => $value );
$res = TRUE;
break;
case 'NL':
case 'NEWLINECHAR':
$this->nl = $value;
if( 'xcal' == $value ) {
$this->attributeDelimiter = $this->nl;
$this->valueInit = null;
}
else {
$this->attributeDelimiter = ';';
$this->valueInit = ':';
}
$subcfg = array( 'NL' => $value );
$res = TRUE;
break;
case 'TZID':
$this->dtzid = $value;
$subcfg = array( 'TZID' => $value );
$res = TRUE;
break;
case 'UNIQUE_ID':
$value = trim( $value );
$this->unique_id = $value;
$this->_makeProdid();
$subcfg = array( 'UNIQUE_ID' => $value );
$res = TRUE;
break;
case 'URL':
/* remote file - URL */
$value = trim( $value );
$value = str_replace( 'HTTP://', 'http://', $value );
$value = str_replace( 'WEBCAL://', 'http://', $value );
$value = str_replace( 'webcal://', 'http://', $value );
$this->url = $value;
$this->directory = null;
$parts = pathinfo( $value );
return $this->setConfig( 'filename', $parts['basename'] );
break;
default: // any unvalid config key.. .
return TRUE;
}
if( !$res ) return FALSE;
if( isset( $subcfg ) && !empty( $this->components )) {
foreach( $subcfg as $cfgkey => $cfgvalue ) {
foreach( $this->components as $cix => $component ) {
$res = $component->setConfig( $cfgkey, $cfgvalue, TRUE );
if( !$res )
break 2;
$this->components[$cix] = $component->copy(); // PHP4 compliant
}
}
}
return $res;
}
/*********************************************************************************/
/**
* add calendar component to container
*
* alias to setComponent
*
* @author Kjell-Inge Gustafsson, kigkonsult <[email protected]>
* @since 1.x.x - 2007-04-24
* @param object $component calendar component
* @return void
*/
function addComponent( $component ) {
$this->setComponent( $component );
}
/**
* delete calendar component from container
*
* @author Kjell-Inge Gustafsson, kigkonsult <[email protected]>
* @since 2.8.8 - 2011-03-15
* @param mixed $arg1 ordno / component type / component uid
* @param mixed $arg2 optional, ordno if arg1 = component type
* @return void
*/
function deleteComponent( $arg1, $arg2=FALSE ) {
$argType = $index = null;
if ( ctype_digit( (string) $arg1 )) {
$argType = 'INDEX';
$index = (int) $arg1 - 1;
}
elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) {
$argType = strtolower( $arg1 );
$index = ( !empty( $arg2 ) && ctype_digit( (string) $arg2 )) ? (( int ) $arg2 - 1 ) : 0;
}
$cix1dC = 0;
foreach ( $this->components as $cix => $component) {
if( empty( $component )) continue;
if(( 'INDEX' == $argType ) && ( $index == $cix )) {
unset( $this->components[$cix] );
return TRUE;
}
elseif( $argType == $component->objName ) {
if( $index == $cix1dC ) {
unset( $this->components[$cix] );
return TRUE;
}
$cix1dC++;
}
elseif( !$argType && ($arg1 == $component->getProperty( 'uid' ))) {
unset( $this->components[$cix] );
return TRUE;
}
}
return FALSE;
}
/**
* get calendar component from container
*
* @author Kjell-Inge Gustafsson, kigkonsult <[email protected]>
* @since 2.9.1 - 2011-04-16
* @param mixed $arg1 optional, ordno/component type/ component uid
* @param mixed $arg2 optional, ordno if arg1 = component type
* @return object
*/
function getComponent( $arg1=FALSE, $arg2=FALSE ) {
$index = $argType = null;
if ( !$arg1 ) { // first or next in component chain
$argType = 'INDEX';
$index = $this->compix['INDEX'] = ( isset( $this->compix['INDEX'] )) ? $this->compix['INDEX'] + 1 : 1;
}
elseif ( ctype_digit( (string) $arg1 )) { // specific component in chain
$argType = 'INDEX';
$index = (int) $arg1;
unset( $this->compix );
}
elseif( is_array( $arg1 )) { // array( *[propertyName => propertyValue] )
$arg2 = implode( '-', array_keys( $arg1 ));
$index = $this->compix[$arg2] = ( isset( $this->compix[$arg2] )) ? $this->compix[$arg2] + 1 : 1;
$dateProps = array( 'DTSTART', 'DTEND', 'DUE', 'CREATED', 'COMPLETED', 'DTSTAMP', 'LAST-MODIFIED', 'RECURRENCE-ID' );
$otherProps = array( 'ATTENDEE', 'CATEGORIES', 'LOCATION', 'ORGANIZER', 'PRIORITY', 'RESOURCES', 'STATUS', 'SUMMARY', 'UID' );
}
elseif(( strlen( $arg1 ) <= strlen( 'vfreebusy' )) && ( FALSE === strpos( $arg1, '@' ))) { // object class name
unset( $this->compix['INDEX'] );
$argType = strtolower( $arg1 );
if( !$arg2 )
$index = $this->compix[$argType] = ( isset( $this->compix[$argType] )) ? $this->compix[$argType] + 1 : 1;
elseif( isset( $arg2 ) && ctype_digit( (string) $arg2 ))
$index = (int) $arg2;
}
elseif(( strlen( $arg1 ) > strlen( 'vfreebusy' )) && ( FALSE !== strpos( $arg1, '@' ))) { // UID as 1st argument
if( !$arg2 )
$index = $this->compix[$arg1] = ( isset( $this->compix[$arg1] )) ? $this->compix[$arg1] + 1 : 1;
elseif( isset( $arg2 ) && ctype_digit( (string) $arg2 ))
$index = (int) $arg2;
}
if( isset( $index ))
$index -= 1;
$ckeys = array_keys( $this->components );
if( !empty( $index) && ( $index > end( $ckeys )))
return FALSE;
$cix1gC = 0;
foreach ( $this->components as $cix => $component) {
if( empty( $component )) continue;
if(( 'INDEX' == $argType ) && ( $index == $cix ))
return $component->copy();
elseif( $argType == $component->objName ) {
if( $index == $cix1gC )
return $component->copy();
$cix1gC++;
}
elseif( is_array( $arg1 )) { // array( *[propertyName => propertyValue] )
$hit = FALSE;
foreach( $arg1 as $pName => $pValue ) {
$pName = strtoupper( $pName );
if( !in_array( $pName, $dateProps ) && !in_array( $pName, $otherProps ))
continue;
if(( 'ATTENDEE' == $pName ) || ( 'CATEGORIES' == $pName ) || ( 'RESOURCES' == $pName )) { // multiple ocurrence may occur
$propValues = array();
$component->_getProperties( $pName, $propValues );
$propValues = array_keys( $propValues );
$hit = ( in_array( $pValue, $propValues )) ? TRUE : FALSE;
continue;
} // end if(( 'CATEGORIES' == $propName ) || ( 'RESOURCES' == $propName )) { // multiple ocurrence may occur
if( FALSE === ( $value = $component->getProperty( $pName ))) { // single ocurrency
$hit = FALSE; // missing property
continue;
}
if( 'SUMMARY' == $pName ) { // exists within (any case)
$hit = ( FALSE !== stripos( $d, $pValue )) ? TRUE : FALSE;
continue;
}
if( in_array( strtoupper( $pName ), $dateProps )) {
$valuedate = sprintf( '%04d%02d%02d', $value['year'], $value['month'], $value['day'] );
if( 8 < strlen( $pValue )) {
if( isset( $value['hour'] )) {
if( 'T' == substr( $pValue, 8, 1 ))
$pValue = str_replace( 'T', '', $pValue );
$valuedate .= sprintf( '%02d%02d%02d', $value['hour'], $value['min'], $value['sec'] );
}
else
$pValue = substr( $pValue, 0, 8 );
}
$hit = ( $pValue == $valuedate ) ? TRUE : FALSE;
continue;
}
elseif( !is_array( $value ))
$value = array( $value );
foreach( $value as $part ) {
$part = ( FALSE !== strpos( $part, ',' )) ? explode( ',', $part ) : array( $part );
foreach( $part as $subPart ) {
if( $pValue == $subPart ) {
$hit = TRUE;
continue 2;
}
}
}
$hit = FALSE; // no hit in property
} // end foreach( $arg1 as $pName => $pValue )
if( $hit ) {
if( $index == $cix1gC )
return $component->copy();
$cix1gC++;
}
} // end elseif( is_array( $arg1 )) { // array( *[propertyName => propertyValue] )
elseif( !$argType && ($arg1 == $component->getProperty( 'uid' ))) { // UID
if( $index == $cix1gC )
return $component->copy();
$cix1gC++;
}
} // end foreach ( $this->components.. .
/* not found.. . */
unset( $this->compix );
return FALSE;
}
/**
* create new calendar component, already included within calendar
*
* @author Kjell-Inge Gustafsson, kigkonsult <[email protected]>
* @since 2.6.33 - 2011-01-03
* @param string $compType component type
* @return object (reference)
*/
function & newComponent( $compType ) {
$config = $this->getConfig();
$keys = array_keys( $this->components );
$ix = end( $keys) + 1;
switch( strtoupper( $compType )) {
case 'EVENT':
case 'VEVENT':
$this->components[$ix] = new vevent( $config );
break;
case 'TODO':