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Dir : ~/usr/share/psa-horde/imp/lib/Mime/Viewer/
View File Name : Enriched.php

<?php
/**
 * Copyright 2001-2017 Horde LLC (http://www.horde.org/)
 *
 * See the enclosed file COPYING for license information (GPL). If you
 * did not receive this file, see http://www.horde.org/licenses/gpl.
 *
 * @category  Horde
 * @copyright 2001-2017 Horde LLC
 * @license   http://www.horde.org/licenses/gpl GPL
 * @package   IMP
 */

/**
 * Handler to render plain text from enriched content tags (RFC 1896).
 *
 * @author    Eric Rostetter <eric.rostetter@physics.utexas.edu>
 * @category  Horde
 * @copyright 2001-2017 Horde LLC
 * @license   http://www.horde.org/licenses/gpl GPL
 * @package   IMP
 */
class IMP_Mime_Viewer_Enriched extends Horde_Mime_Viewer_Enriched
{
    /**
     * Return the full rendered version of the Horde_Mime_Part object.
     *
     * @return array  See parent::render().
     */
    protected function _render()
    {
        $ret = parent::_render();
        if (!empty($ret)) {
            reset($ret);
            $ret[key($ret)]['data'] = $this->_IMPformat($ret[key($ret)]['data']);
        }
        return $ret;
    }

    /**
     * Return the rendered inline version of the Horde_Mime_Part object.
     *
     * @return array  See parent::render().
     */
    protected function _renderInline()
    {
        $ret = parent::_renderInline();
        if (!empty($ret)) {
            reset($ret);
            $ret[key($ret)]['data'] = $this->_IMPformat($ret[key($ret)]['data']);
        }
        return $ret;
    }

    /**
     * Format output text with IMP additions.
     *
     * @param string $text  The HTML text.
     *
     * @return string  The text with extra IMP formatting applied.
     */
    protected function _IMPformat($text)
    {
        // Highlight quoted parts of an email.
        if ($GLOBALS['prefs']->getValue('highlight_text')) {
            $text = implode("\n", preg_replace('|^(\s*>.+)$|', '<span class="quoted1">\1</span>', explode("\n", $text)));
            $indent = 1;
            while (preg_match('|>(\s?>){' . $indent . '}|', $text)) {
                $text = implode("\n", preg_replace('|^<span class="quoted' . ((($indent - 1) % 5) + 1) . '">(\s*>(\s?>){' . $indent . '}.+)$|', '<span class="quoted' . (($indent % 5) + 1) . '">\1', explode("\n", $text)));
                ++$indent;
            }
        }

        // Dim signatures.
        if ($GLOBALS['prefs']->getValue('dim_signature')) {
            $parts = preg_split('|(\n--\s*\n)|', $text, 2, PREG_SPLIT_DELIM_CAPTURE);
            $text = array_shift($parts);
            if (count($parts)) {
                $text .= '<span class="signature">' . $parts[0] .
                    preg_replace('|class="[^"]+"|', 'class="signature-fixed"', $parts[1]) .
                    '</span>';
            }
        }

        // Filter bad language.
        return IMP::filterText($text);
    }

}