<?
/**
 * PHP vCard class v2.0
 *
 * @see http://www.bitfolge.de/en
 * @package directory
 * @subpackage thirdparty
 * @version $Id: vcard.lib.php,v 1.5 2005/04/14 13:30:03 avel Exp $
 *
 * @author (c) Kai Blankenhorn <kaib@bitfolge.de>
 * @copyright (c) Kai Blankenhorn
 */

/**
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 * This program 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 General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place - Suite 330, Boston, MA  02111-1307, USA.
 */


/**
 * Quote-Printable encode
 */
function encode($string) {
	return escape(quoted_printable_encode($string));
}

/**
 * String Escape
 */
function escape($string) {
	return str_replace(";","\;",$string);
}

/**
 * Quote-Printable encode
 */
function quoted_printable_encode($input, $line_max = 76) {
	$hex = array('0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F');
	$lines = preg_split("/(?:\r\n|\r|\n)/", $input);
	$eol = "\r\n";
	$linebreak = "=0D=0A";
	$escape = "=";
	$output = "";

	for ($j=0;$j<count($lines);$j++) {
		$line = $lines[$j];
		$linlen = strlen($line);
		$newline = "";
		for($i = 0; $i < $linlen; $i++) {
			$c = substr($line, $i, 1);
			$dec = ord($c);
			if ( ($dec == 32) && ($i == ($linlen - 1)) ) { // convert space at eol only
				$c = "=20"; 
			} elseif ( ($dec == 61) || ($dec < 32 ) || ($dec > 126) ) { // always encode "\t", which is *not* required
				$h2 = floor($dec/16); $h1 = floor($dec%16); 
				$c = $escape.$hex["$h2"].$hex["$h1"]; 
			}
			if ( (strlen($newline) + strlen($c)) >= $line_max ) { // CRLF is not counted
				$output .= $newline.$escape.$eol; // soft line break; " =\r\n" is okay
				$newline = "    ";
			}
			$newline .= $c;
		} // end of for
		$output .= $newline;
		if ($j<count($lines)-1) $output .= $linebreak;
	}
	return trim($output);
}

/**
 * vCard Class
 * @package directory
 * @subpackage main
 */
class vCard {
	var $properties;
	var $filename;
	
	function setPhoneNumber($number, $type="") {
	// type may be PREF | WORK | HOME | VOICE | FAX | MSG | CELL | PAGER | BBS | CAR | MODEM | ISDN | VIDEO or any senseful combination, e.g. "PREF;WORK;VOICE"
		$key = "TEL";
		if ($type!="") $key .= ";".$type;
		$key.= ";ENCODING=QUOTED-PRINTABLE";
		$this->properties[$key] = quoted_printable_encode($number);
	}
	
	// UNTESTED !!!
	function setPhoto($type, $photo) { // $type = "GIF" | "JPEG"
		$this->properties["PHOTO;TYPE=$type;ENCODING=BASE64"] = base64_encode($photo);
	}
	
	function setFormattedName($name) {
		$this->properties["FN"] = quoted_printable_encode($name);
	}
	
	function setName($family="", $first="", $additional="", $prefix="", $suffix="") {
		$this->properties["N"] = "$family;$first;$additional;$prefix;$suffix";
		$this->filename = "$first%20$family.vcf";
		if (empty($this->properties["FN"])) $this->setFormattedName(trim("$prefix $first $additional $family $suffix"));
	}
	
	function setBirthday($date) { // $date format is YYYY-MM-DD
		$this->properties["BDAY"] = $date;
	}
	
	function setAddress($postoffice="", $extended="", $street="", $city="", $region="", $zip="", $country="", $type="HOME;POSTAL") {
	// $type may be DOM | INTL | POSTAL | PARCEL | HOME | WORK or any combination of these: e.g. "WORK;PARCEL;POSTAL"
		$key = "ADR";
		if ($type!="") $key.= ";$type";
		$key.= ";ENCODING=QUOTED-PRINTABLE";
		$this->properties[$key] = encode($name).";".encode($extended).";".encode($street).";".encode($city).";".encode($region).";".encode($zip).";".encode($country);
		
		if ($this->properties["LABEL;$type;ENCODING=QUOTED-PRINTABLE"] == "") {
			//$this->setLabel($postoffice, $extended, $street, $city, $region, $zip, $country, $type);
		}
	}
	
	function setLabel($postoffice="", $extended="", $street="", $city="", $region="", $zip="", $country="", $type="HOME;POSTAL") {
		$label = "";
		if ($postoffice!="") $label.= "$postoffice\r\n";
		if ($extended!="") $label.= "$extended\r\n";
		if ($street!="") $label.= "$street\r\n";
		if ($zip!="") $label.= "$zip ";
		if ($city!="") $label.= "$city\r\n";
		if ($region!="") $label.= "$region\r\n";
		if ($country!="") $country.= "$country\r\n";
		
		$this->properties["LABEL;$type;ENCODING=QUOTED-PRINTABLE"] = quoted_printable_encode($label);
	}
	
	function setEmail($address) {
		$this->properties["EMAIL;INTERNET"] = $address;
	}
	
	function setNote($note) {
		$this->properties["NOTE;ENCODING=QUOTED-PRINTABLE"] = quoted_printable_encode($note);
	}
	
	function setURL($url, $type="") {
	// $type may be WORK | HOME
		$key = "URL";
		if ($type!="") $key.= ";$type";
		$this->properties[$key] = $url;
	}
	
	function getVCard() {
		$text = "BEGIN:VCARD\r\n";
		$text.= "VERSION:2.1\r\n";
		foreach($this->properties as $key => $value) {
			$text.= "$key:$value\r\n";
		}
		$text.= "REV:".date("Y-m-d")."T".date("H:i:s")."Z\r\n";
		$text.= "MAILER:PHP vCard class by Kai Blankenhorn\r\n";
		$text.= "END:VCARD\r\n";
		return $text;
	}
	
	function getFileName() {
		return $this->filename;
	}
}

?>