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PATH: home / letacommog / crmleta / modules / Mobile / third-party / qCal / qCal

<?php
/**
 * Base property value class. Every property value has a specific data
 * type. Some of them are very simple, such as boolean. Others can be
 * rather complex, such as recur (specifies a date pattern for recurring
 * events and other components).
 * @package qCal
 * @copyright Luke Visinoni (luke.visinoni@gmail.com)
 * @author Luke Visinoni (luke.visinoni@gmail.com)
 * @license GNU Lesser General Public License
 * 
 * RFC 2445 Definition
 * 
 * The properties in an iCalendar object are strongly typed. The
 * definition of each property restricts the value to be one of the
 * value data types, or simply value types, defined in this section. The
 * value type for a property will either be specified implicitly as the
 * default value type or will be explicitly specified with the "VALUE"
 * parameter. If the value type of a property is one of the alternate
 * valid types, then it MUST be explicitly specified with the "VALUE"
 * parameter.
 */
abstract class qCal_Value {

protected $value;
	
	public function __construct($value) {
	
		$this->setValue($value);
	
	}
	/**
	 * A factory for data type objects. Pass in a type and a value, and it will return the value
	 * casted to the proper type
	 */
	public static function factory($type, $value) {

// remove dashes, capitalize properly
		$parts = explode("-", $type);
		$type = "";
		foreach ($parts as $part) $type .= trim(ucfirst(strtolower($part)));
		// get the class, and instantiate
		$className = "qCal_Value_" . $type;
		$class = new $className($value);
		return $class;
	
	}
	/**
	 * Sets the value of this object. The beauty of using inheritence here is that I can store
	 * the value however I want for any value type, and then on __toString() I can return it how
	 * iCalendar specifies :) 
	 */
	public function setValue($value) {
	
		$this->value = $this->doCast($value);
		return $this;
	
	}
	/**
	 * Returns raw value (as it is stored)
	 */
	public function getValue() {
	
		return $this->value;
	
	}
	/**
	 * Casts $value to this data type
	 */
	public function cast($value) {
	
		return $this->doCast($value);
	
	}
	/**
	 * Returns the value as a string
	 */
	public function __toString() {
	
		return $this->toString($this->value);
	
	}
	/**
	 * Converts from native format to a string, __toString() calls this internally
	 */
	protected function toString($value) {
	
		return (string) $value;
	
	}
	/**
	 * This is left to be implemented by children classes, basically they 
	 * implement this method to cast any input into their data type (from a string)
	 * @todo Change the name of this to something more appropriate, maybe toNative or something
	 */
	abstract protected function doCast($value);

}

[+] ..
[-] Exception.php [edit]
[-] Renderer.php [edit]
[-] Value.php [edit]
[-] Property.php [edit]
[+] Property
[-] Timezone.php [edit]
[+] DateTime
[+] Parser
[-] Date.php [edit]
[-] Time.php [edit]
[+] Renderer
[-] Component.php [edit]
[-] Loader.php [edit]
[+] Component
[+] Value
[+] Exception
[-] Parser.php [edit]
[-] DateTime.php [edit]