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kolab_sync_body_converter.php
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kolab_sync_body_converter.php
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<?php
/**
+--------------------------------------------------------------------------+
| Kolab Sync (ActiveSync for Kolab) |
| |
| Copyright (C) 2011-2012, Kolab Systems AG <contact@kolabsys.com> |
| |
| This program is free software: you can redistribute it and/or modify |
| it under the terms of the GNU Affero General Public License as published |
| by the Free Software Foundation, either version 3 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 Affero General Public License for more details. |
| |
| You should have received a copy of the GNU Affero General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/> |
+--------------------------------------------------------------------------+
| Author: Aleksander Machniak <machniak@kolabsys.com> |
+--------------------------------------------------------------------------+
*/
/**
* Utility class for data convertion between ActiveSync Body formats
*/
class kolab_sync_body_converter
{
protected $text;
protected $type;
/**
* Constructor
*
* @param string $data Data string
* @param int $type Data type. One of Syncroton_Model_EmailBody constants.
*/
public function __construct($data, $type)
{
$this->text = $data;
$this->type = $type;
}
/**
* Converter
*
* @param int $type Result data type (to which the string will be converted).
* One of Syncroton_Model_EmailBody constants.
*
* @return string Body value
*/
public function convert($type)
{
if (empty($this->text) || empty($type) || $type == $this->type) {
return $this->text;
}
// ActiveSync types: TYPE_PLAINTEXT, TYPE_HTML, TYPE_RTF, TYPE_MIME
switch ($this->type) {
case Syncroton_Model_EmailBody::TYPE_PLAINTEXT:
return $this->convert_text_plain($type);
case Syncroton_Model_EmailBody::TYPE_HTML:
return $this->convert_text_html($type);
case Syncroton_Model_EmailBody::TYPE_RTF:
return $this->convert_rtf($type);
default:
return $this->text;
}
}
/**
* Text/plain converter
*
* @param int $type Result data type (to which the string will be converted).
* One of Syncroton_Model_EmailBody constants.
*
* @return string Body value
*/
protected function convert_text_plain($type)
{
$data = $this->text;
switch ($type) {
case Syncroton_Model_EmailBody::TYPE_HTML:
return '<pre>' . htmlspecialchars($data, ENT_COMPAT, kolab_sync::CHARSET) . '</pre>';
case Syncroton_Model_EmailBody::TYPE_RTF:
// @TODO
return '';
}
return $data;
}
/**
* HTML converter
*
* @param int $type Result data type (to which the string will be converted).
* One of Syncroton_Model_EmailBody constants.
*
* @return string Body value
*/
protected function convert_text_html($type)
{
switch ($type) {
case Syncroton_Model_EmailBody::TYPE_PLAINTEXT:
$txt = new rcube_html2text($this->text, false, true);
return $txt->get_text();
case Syncroton_Model_EmailBody::TYPE_RTF:
// @TODO
return '';
case Syncroton_Model_EmailBody::TYPE_MIME:
return '';
}
return $this->text;
}
/**
* RTF converter
*
* @param int $type Result data type (to which the string will be converted).
* One of Syncroton_Model_EmailBody constants.
*
* @return string Body value
*/
protected function convert_rtf($type)
{
$rtf = new rtf();
$rtf->loadrtf($this->text);
switch ($type) {
case Syncroton_Model_EmailBody::TYPE_PLAINTEXT:
$rtf->output('ascii');
$rtf->parse();
return $rtf->out;
case Syncroton_Model_EmailBody::TYPE_HTML:
// @TODO: Conversion to HTML is broken,
// convert to text and use <PRE> tags
$rtf->output('ascii');
$rtf->parse();
return '<pre>' . trim($rtf->out) . '</pre>';
}
return $this->text;
}
}

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