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<?php
/**
* The Horde_Mime_Viewer_Msexcel class renders out Microsoft Excel
* documents in HTML format by using the Gnumeric package.
*
* Copyright 1999-2017 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @author Anil Madhavapeddy <anil@recoil.org>
* @author Michael Slusarz <slusarz@horde.org>
* @category Horde
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
* @package Mime_Viewer
*/
class Horde_Mime_Viewer_Msexcel extends Horde_Mime_Viewer_Base
{
/**
* This driver's display capabilities.
*
* @var array
*/
protected $_capability = array(
'full' => true,
'info' => false,
'inline' => false,
'raw' => false
);
/**
* Constructor.
*
* @param Horde_Mime_Part $mime_part The object with the data to be
* rendered.
* @param array $conf Configuration:
* <pre>
* 'location' - (string) Location of the gnumeric binary.
* </pre>
*
* @throws InvalidArgumentException
*/
public function __construct(Horde_Mime_Part $part, array $conf = array())
{
$this->_required = array_merge($this->_required, array(
'location'
));
parent::__construct($part, $conf);
}
/**
* Return the full rendered version of the Horde_Mime_Part object.
*
* @return array See parent::render().
*/
protected function _render()
{
/* Check to make sure the viewer program exists. */
if (!($location = $this->getConfigParam('location')) ||
!file_exists($location)) {
return array();
}
$process = proc_open(
escapeshellcmd($location) . ' --import-type=Gnumeric_Excel:excel --export-type=Gnumeric_html:html40 fd://0 fd://1',
array(
0 => array('pipe', 'r'),
1 => array('pipe', 'w')
),
$pipes
);
if (is_resource($process)) {
fwrite($pipes[0], $this->_mimepart->getContents());
fclose($pipes[0]);
$out = stream_get_contents($pipes[1]);
fclose($pipes[1]);
} else {
$out = '';
}
return $this->_renderReturn(
$out,
'text/html; charset=UTF-8'
);
}
}
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