/usr/share/php/XML/RPC2/Backend/Php/Value.php is in php-xml-rpc2 1.1.2-1.
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/* 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 2004-2005 Sergio Carvalho
* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
* @version CVS: $Id$
* @link http://pear.php.net/package/XML_RPC2
*/
// }}}
// dependencies {{{
require_once 'XML/RPC2/Exception.php';
require_once 'XML/RPC2/Value.php';
// }}}
/**
* XML_RPC value abstract class. All XML_RPC value classes inherit from XML_RPC2_Value
*
* @category XML
* @package XML_RPC2
* @author Sergio Carvalho <sergio.carvalho@portugalmail.com>
* @copyright 2004-2005 Sergio Carvalho
* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
* @link http://pear.php.net/package/XML_RPC2
*/
abstract class XML_RPC2_Backend_Php_Value extends XML_RPC2_Value
{
// {{{ properties
/**
* native value
*
* @var mixed
*/
private $_nativeValue = null;
// }}}
// {{{ getNativeValue()
/**
* nativeValue property getter
*
* @return mixed The current nativeValue
*/
public function getNativeValue()
{
return $this->_nativeValue;
}
// }}}
// {{{ setNativeValue()
/**
* nativeValue setter
*
* @param mixed $value
*/
protected function setNativeValue($value)
{
$this->_nativeValue = $value;
}
// }}}
// {{{ createFromNative()
/**
* Choose a XML_RPC2_Value subclass appropriate for the
* given value and create it.
*
* This method tries to find the most adequate XML-RPC datatype to hold
* a given PHP native type. Note that distinguishing some datatypes may be
* difficult:
* - Timestamps are represented by PHP integers, so an XML_RPC2_Value_Datetime is never returned
* - Indexed arrays and associative arrays are the same native PHP type. In this case:
* a) The array's indexes start at 0 or 1 and increase monotonically with step 1, or
* b) they do not
* in the first case, an XML_RPC2_Value_Array is returned. In the second, a XML_RPC2_Value_Struct is returned.
* - PHP Objects are serialized and represented in an XML_RPC2_Value_Base64
* - Integers fitting in a 32bit integer are encoded as regular xml-rpc integers
* - Integers larger than 32bit are encoded using the i8 xml-rpc extension
*
* Whenever native object automatic detection proves inaccurate, use XML_RPC2_Value::createFromNative providing
* a valid explicit type as second argument
*
* the appropriate XML_RPC2_Value child class instead.
*
* @param mixed The native value
* @param string The xml-rpc target encoding type, as per the xmlrpc spec (optional)
* @throws XML_RPC2_InvalidTypeEncodeException When the native value has a type that can't be translated to XML_RPC
* @return A new XML_RPC2_Value instance
* @see XML_RPC_Client::__call
* @see XML_RPC_Server
*/
public static function createFromNative($nativeValue, $explicitType = null)
{
if (is_null($explicitType)) {
switch (gettype($nativeValue)) {
case 'boolean':
$explicitType = 'boolean';
break;
case 'integer':
$explicitType = 'int';
break;
case 'double':
$explicitType = 'double';
break;
case 'string':
$explicitType = 'string';
break;
case 'array':
$explicitType = 'array';
$keys = array_keys($nativeValue);
if (count($keys) > 0) {
if ($keys[0] !== 0 && ($keys[0] !== 1)) $explicitType = 'struct';
$i=0;
do {
$previous = $keys[$i];
$i++;
if (array_key_exists($i, $keys) && ($keys[$i] !== $keys[$i - 1] + 1)) $explicitType = 'struct';
} while (array_key_exists($i, $keys) && $explicitType == 'array');
}
break;
case 'object':
if ((strtolower(get_class($nativeValue)) == 'stdclass') && (isset($nativeValue->xmlrpc_type))) {
// In this case, we have a "stdclass native value" (emulate xmlrpcext)
// the type 'base64' or 'datetime' is given by xmlrpc_type public property
$explicitType = $nativeValue->xmlrpc_type;
} else {
$nativeValue = serialize($nativeValue);
$explicitType = 'base64';
}
break;
case 'resource':
case 'NULL':
case 'unknown type':
throw new XML_RPC2_InvalidTypeEncodeException(sprintf('Impossible to encode value \'%s\' from type \'%s\'. No analogous type in XML_RPC.',
(string) $nativeValue,
gettype($nativeValue)));
default:
throw new XML_RPC2_InvalidTypeEncodeException(sprintf('Unexpected PHP native type returned by gettype: \'%s\', for value \'%s\'',
gettype($nativeValue),
(string) $nativeValue));
}
}
$explicitType = ucfirst(strtolower($explicitType));
switch ($explicitType) {
case 'I8':
require_once 'XML/RPC2/Backend/Php/Value/Scalar.php';
return XML_RPC2_Backend_Php_Value_Scalar::createFromNative($nativeValue, 'Integer64');
break;
case 'I4':
case 'Int':
case 'Boolean':
case 'Double':
case 'String':
case 'Nil':
require_once 'XML/RPC2/Backend/Php/Value/Scalar.php';
return XML_RPC2_Backend_Php_Value_Scalar::createFromNative($nativeValue);
break;
case 'Datetime.iso8601':
case 'Datetime':
require_once 'XML/RPC2/Backend/Php/Value/Datetime.php';
return new XML_RPC2_Backend_Php_Value_Datetime($nativeValue);
break;
case 'Base64':
require_once 'XML/RPC2/Backend/Php/Value/Base64.php';
return new XML_RPC2_Backend_Php_Value_Base64($nativeValue);
break;
case 'Array':
require_once 'XML/RPC2/Backend/Php/Value/Array.php';
return new XML_RPC2_Backend_Php_Value_Array($nativeValue);
break;
case 'Struct':
require_once 'XML/RPC2/Backend/Php/Value/Struct.php';
return new XML_RPC2_Backend_Php_Value_Struct($nativeValue);
break;
default:
throw new XML_RPC2_InvalidTypeEncodeException(sprintf('Unexpected explicit encoding type \'%s\'', $explicitType));
}
}
// }}}
// {{{ createFromDecode()
/**
* Decode an encoded value and build the applicable XML_RPC2_Value subclass
*
* @param SimpleXMLElement The encoded XML-RPC value
* @return mixed the corresponding XML_RPC2_Value object
*/
public static function createFromDecode($simpleXML)
{
// 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
$simpleXML = simplexml_load_string($simpleXML->asXML());
$valueType = $simpleXML->xpath('./*');
if (count($valueType) == 1) { // Usually we must check the node name
$nodename = dom_import_simplexml($valueType[0])->nodeName;
switch ($nodename) {
case 'i8':
$nativeType = 'Integer64';
break;
case 'i4':
case 'int':
$nativeType = 'Integer';
break;
case 'boolean':
$nativeType = 'Boolean';
break;
case 'double':
$nativeType = 'Double';
break;
case 'string':
$nativeType = 'String';
break;
case 'dateTime.iso8601':
$nativeType = 'Datetime';
break;
case 'base64':
$nativeType = 'Base64';
break;
case 'array':
$nativeType = 'Array';
break;
case 'struct':
$nativeType = 'Struct';
break;
case 'nil':
$nativeType = 'Nil';
break;
default:
throw new XML_RPC2_DecodeException(sprintf('Unable to decode XML-RPC value. Value type is not recognized \'%s\'', $nodename));
}
} elseif (count($valueType) == 0) { // Default type is string
$nodename = null;
$nativeType = 'String';
} else {
throw new XML_RPC2_DecodeException(sprintf('Unable to decode XML-RPC value. Value presented %s type nodes: %s.', count($valueType), $simpleXML->asXML()));
}
require_once(sprintf('XML/RPC2/Backend/Php/Value/%s.php', $nativeType));
$nativeType = 'XML_RPC2_Backend_Php_Value_' . $nativeType;
return self::createFromNative(@call_user_func(array($nativeType, 'decode'), $simpleXML), $nodename);
}
// }}}
// {{{ encode()
/**
* Encode the instance into XML, for transport
*
* @return string The encoded XML-RPC value,
*/
// Declaration commented because of: http://pear.php.net/bugs/bug.php?id=8499
// public abstract function encode();
// }}}
// {{{ decode()
/**
* decode. Decode transport XML and set the instance value accordingly
*
* @param mixed The encoded XML-RPC value,
*/
// Declaration commented because of: http://pear.php.net/bugs/bug.php?id=8499
// public static abstract function decode($xml);
// }}}
}
?>
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