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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4 foldmethod=marker: */
// LICENSE AGREEMENT. If folded, press za here to unfold and read license {{{
/**
* +-----------------------------------------------------------------------------+
* | Copyright (c) 2004-2006 Sergio Goncalves Carvalho |
* +-----------------------------------------------------------------------------+
* | This file is part of XML_RPC2. |
* | |
* | XML_RPC2 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. |
* | |
* | XML_RPC2 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 XML_RPC2; if not, write to the Free Software |
* | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
* | 02111-1307 USA |
* +-----------------------------------------------------------------------------+
* | Author: Sergio Carvalho <sergio.carvalho@portugalmail.com> |
* +-----------------------------------------------------------------------------+
*
* @category XML
* @package XML_RPC2
* @author Sergio Carvalho <sergio.carvalho@portugalmail.com>
* @copyright 2004-2006 Sergio Carvalho
* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
* @version CVS: $Id: Datetime.php 308613 2011-02-23 19:16:47Z sergiosgc $
* @link http://pear.php.net/package/XML_RPC2
*/
// }}}
// dependencies {{{
require_once 'XML/RPC2/Exception.php';
require_once 'XML/RPC2/Backend/Php/Value/Scalar.php';
// }}}
/**
* XML_RPC datetime value class. Instances of this class represent datetime scalars in XML_RPC
*
* To work on a compatible way with the xmlrpcext backend, we introduce a particular "nativeValue" which is
* a standard class (stdclass) with three public properties :
* scalar => the iso8601 date string
* timestamp => the corresponding timestamp (int)
* xmlrpc_type => 'datetime'
*
* The constructor can be called with a iso8601 string, with a timestamp or with a such object
*
* @category XML
* @package XML_RPC2
* @author Sergio Carvalho <sergio.carvalho@portugalmail.com>
* @copyright 2004-2006 Sergio Carvalho
* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
* @link http://pear.php.net/package/XML_RPC2
*/
class XML_RPC2_Backend_Php_Value_Datetime extends XML_RPC2_Backend_Php_Value
{
// {{{ constructor
/**
* Constructor. Will build a new XML_RPC2_Backend_Php_Value_Datetime with the given value
*
* The provided value can be an int, which will be interpreted as a Unix timestamp, or
* a string in iso8601 format, or a "stdclass native value"
*
* @param mixed $nativeValue a timestamp, an iso8601 date or a "stdclass native value"
* @see http://www.w3.org/TR/NOTE-datetime
*/
public function __construct($nativeValue)
{
if ((!is_int($nativeValue)) and (!is_float($nativeValue)) and (!is_string($nativeValue)) and (!is_object($nativeValue))) {
throw new XML_RPC2_InvalidTypeException(sprintf('Cannot create XML_RPC2_Backend_Php_Value_Datetime from type \'%s\'.', gettype($nativeValue)));
}
if ((is_object($nativeValue)) &&(strtolower(get_class($nativeValue)) == 'stdclass') && (isset($nativeValue->xmlrpc_type))) {
$scalar = $nativeValue->scalar;
$timestamp = $nativeValue->timestamp;
} else {
if ((is_int($nativeValue)) or (is_float($nativeValue))) {
$scalar = XML_RPC2_Backend_Php_Value_Datetime::_timestampToIso8601($nativeValue);
$timestamp = (int) $nativeValue;
} elseif (is_string($nativeValue)) {
$scalar= $nativeValue;
$timestamp = (int) XML_RPC2_Backend_Php_Value_Datetime::_iso8601ToTimestamp($nativeValue);
} else {
throw new XML_RPC2_InvalidTypeException(sprintf('Cannot create XML_RPC2_Backend_Php_Value_Datetime from type \'%s\'.', gettype($nativeValue)));
}
}
$tmp = new stdclass();
$tmp->scalar = $scalar;
$tmp->timestamp = $timestamp;
$tmp->xmlrpc_type = 'datetime';
$this->setNativeValue($tmp);
}
// }}}
// {{{ _iso8601ToTimestamp()
/**
* Convert a iso8601 datetime string into timestamp
*
* @param string $datetime iso8601 datetime
* @return int corresponding timestamp
*/
private static function _iso8601ToTimestamp($datetime)
{
if (!preg_match('/([0-9]{4})(-?([0-9]{2})(-?([0-9]{2})(T([0-9]{2}):([0-9]{2})(:([0-9]{2})(\.([0-9]+))?)?(Z|(([-+])([0-9]{2}):([0-9]{2})))?)?)?)?/', $datetime, $matches)) {
throw new XML_RPC2_InvalidDateFormatException(sprintf('Provided date \'%s\' is not ISO-8601.', $datetime));
}
$year = $matches[1];
$month = array_key_exists(3, $matches) ? $matches[3] : 1;
$day = array_key_exists(5, $matches) ? $matches[5] : 1;
$hour = array_key_exists(7, $matches) ? $matches[7] : 0;
$minutes = array_key_exists(8, $matches) ? $matches[8] : 0;
$seconds = array_key_exists(10, $matches) ? $matches[10] : 0;
$milliseconds = array_key_exists(12, $matches) ? ((double) ('0.' . $matches[12])) : 0;
if (array_key_exists(13, $matches)) {
if ($matches[13] == 'Z') {
$tzSeconds = 0;
} else {
$tmp = ($matches[15] == '-') ? -1 : 1;
$tzSeconds = $tmp * (((int) $matches[16]) * 3600 + ((int) $matches[17]) * 60);
}
} else {
$tzSeconds = 0;
}
if (class_exists('DateTime')) {
$result = new DateTime();
$result->setDate($year, $month, $day);
$result->setTime($hour, $minutes, $seconds);
$result = $result->getTimestamp();
if ($milliseconds==0) return $result;
return ((float) $result) + $milliseconds/1000;
} else {
$result = ((double) @mktime($hour, $minutes, $seconds, $month, $day, $year, 0)) +
((double) $milliseconds) -
((double) $tzSeconds);
if ($milliseconds==0) return ((int) $result);
return $result;
}
}
// }}}
// {{{ _timestampToIso8601()
/**
* Convert a timestamp into an iso8601 datetime
*
* @param int $timestamp timestamp
* @return string iso8601 datetim
*/
private static function _timestampToIso8601($timestamp)
{
return strftime('%Y%m%dT%H:%M:%S', (int) $timestamp);
}
// }}}
// {{{ decode()
/**
* Decode transport XML and set the instance value accordingly
*
* @param mixed The encoded XML-RPC value,
*/
public static function decode($xml)
{
// TODO Remove reparsing of XML fragment, when SimpleXML proves more solid. Currently it segfaults when
// xpath is used both in an element and in one of its children
$xml = simplexml_load_string($xml->asXML());
$value = $xml->xpath('/value/dateTime.iso8601/text()');
if (!array_key_exists(0, $value)) {
$value = $xml->xpath('/value/text()');
}
// Emulate xmlrpcext results (to be able to switch from a backend to another)
$result = new stdclass();
$result->scalar = (string) $value[0];
$result->timestamp = (int) XML_RPC2_Backend_Php_Value_Datetime::_iso8601ToTimestamp((string) $value[0]);
$result->xmlrpc_type = 'datetime';
return $result;
}
// }}}
// {{{ encode()
/**
* Encode the instance into XML, for transport
*
* @return string The encoded XML-RPC value,
*/
public function encode()
{
$native = $this->getNativeValue();
return '<dateTime.iso8601>' . $native->scalar . '</dateTime.iso8601>';
}
// }}}
}
?>
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