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<?php
/**
*
*
* Created on Oct 22, 2006
*
* Copyright © 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
/**
* API WDDX output formatter
* @ingroup API
*/
class ApiFormatWddx extends ApiFormatBase {
public function __construct( $main, $format ) {
parent::__construct( $main, $format );
}
public function getMimeType() {
return 'text/xml';
}
public function execute() {
// Some versions of PHP have a broken wddx_serialize_value, see
// PHP bug 45314. Test encoding an affected character (U+00A0)
// to avoid this.
$expected = "<wddxPacket version='1.0'><header/><data><string>\xc2\xa0</string></data></wddxPacket>";
if ( function_exists( 'wddx_serialize_value' )
&& !$this->getIsHtml()
&& wddx_serialize_value( "\xc2\xa0" ) == $expected ) {
$this->printText( wddx_serialize_value( $this->getResultData() ) );
} else {
// Don't do newlines and indentation if we weren't asked
// for pretty output
$nl = ( $this->getIsHtml() ? '' : "\n" );
$indstr = ' ';
$this->printText( "<?xml version=\"1.0\"?>$nl" );
$this->printText( "<wddxPacket version=\"1.0\">$nl" );
$this->printText( "$indstr<header/>$nl" );
$this->printText( "$indstr<data>$nl" );
$this->slowWddxPrinter( $this->getResultData(), 4 );
$this->printText( "$indstr</data>$nl" );
$this->printText( "</wddxPacket>$nl" );
}
}
/**
* Recursively go through the object and output its data in WDDX format.
* @param $elemValue
* @param $indent int
*/
function slowWddxPrinter( $elemValue, $indent = 0 ) {
$indstr = ( $this->getIsHtml() ? '' : str_repeat( ' ', $indent ) );
$indstr2 = ( $this->getIsHtml() ? '' : str_repeat( ' ', $indent + 2 ) );
$nl = ( $this->getIsHtml() ? '' : "\n" );
switch ( gettype( $elemValue ) ) {
case 'array':
// Check whether we've got an associative array (<struct>)
// or a regular array (<array>)
$cnt = count( $elemValue );
if ( $cnt == 0 || array_keys( $elemValue ) === range( 0, $cnt - 1 ) ) {
// Regular array
$this->printText( $indstr . Xml::element( 'array', array(
'length' => $cnt ), null ) . $nl );
foreach ( $elemValue as $subElemValue ) {
$this->slowWddxPrinter( $subElemValue, $indent + 2 );
}
$this->printText( "$indstr</array>$nl" );
} else {
// Associative array (<struct>)
$this->printText( "$indstr<struct>$nl" );
foreach ( $elemValue as $subElemName => $subElemValue ) {
$this->printText( $indstr2 . Xml::element( 'var', array(
'name' => $subElemName
), null ) . $nl );
$this->slowWddxPrinter( $subElemValue, $indent + 4 );
$this->printText( "$indstr2</var>$nl" );
}
$this->printText( "$indstr</struct>$nl" );
}
break;
case 'integer':
case 'double':
$this->printText( $indstr . Xml::element( 'number', null, $elemValue ) . $nl );
break;
case 'string':
$this->printText( $indstr . Xml::element( 'string', null, $elemValue ) . $nl );
break;
default:
ApiBase::dieDebug( __METHOD__, 'Unknown type ' . gettype( $elemValue ) );
}
}
public function getDescription() {
return 'Output data in WDDX format' . parent::getDescription();
}
public function getVersion() {
return __CLASS__ . ': $Id$';
}
}
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