dolibarr/htdocs/core/lib/parsemd.lib.php
2024-09-06 20:28:06 +08:00

98 lines
3.6 KiB
PHP

<?php
/* Copyright (C) 2008-2023 Laurent Destailleur <eldy@users.sourceforge.net>
*
* 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 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
* or see https://www.gnu.org/
*/
/**
* \file htdocs/core/lib/parsemd.lib.php
* \brief This file contains functions dedicated to MD parsing.
*/
/**
* Function to parse MD content into HTML
*
* @param string $content MD content
* @param string $parser 'parsedown' or 'nl2br'
* @param string $replaceimagepath Replace path to image with another path. Example: ('doc/'=>'xxx/aaa/')
* @return string Parsed content
*/
function dolMd2Html($content, $parser = 'parsedown', $replaceimagepath = null)
{
// Replace a HTML string with a Markdown syntax
$content = preg_replace('/<a href="([^"]+)">([^<]+)<\/a>/', '[\2](\1)', $content);
//$content = preg_replace('/<a href="([^"]+)" target="([^"]+)">([^<]+)<\/a>/', '[\3](\1){:target="\2"}', $content);
$content = preg_replace('/<a href="([^"]+)" target="([^"]+)">([^<]+)<\/a>/', '[\3](\1)', $content);
// Replace HTML comments
$content = preg_replace('/<!--.*-->/Ums', '', $content); // We remove HTML comment that are not MD comment because they will be escaped and output when setSafeMode is set to true.
if (is_array($replaceimagepath)) {
foreach ($replaceimagepath as $key => $val) {
$keytoreplace = ']('.$key;
$valafter = ']('.$val;
$content = preg_replace('/'.preg_quote($keytoreplace, '/').'/m', $valafter, $content);
}
}
if ($parser == 'parsedown') {
include_once DOL_DOCUMENT_ROOT.'/includes/parsedown/Parsedown.php';
$parsedown = new Parsedown();
$parsedown->setSafeMode(true); // This will escape HTML link <a href=""> into html entities but markdown links are ok
// Because HTML will be HTML entity encoded, we replace tag we want to keep
$content = preg_replace('/<span style="([^"]+)">/', '<!-- SPAN_STYLE_\1 -->', $content);
$content = preg_replace('/<\/span>/', '<!-- SPAN_END -->', $content);
$content = $parsedown->text($content);
$content = preg_replace('/&lt;!-- SPAN_STYLE_([^-]+) --&gt;/', '<span style="\1">', $content);
$content = preg_replace('/&lt;!-- SPAN_END --&gt;/', '</span>', $content);
} else {
$content = nl2br($content);
}
return $content;
}
/**
* Function to parse MD content into ASCIIDOC
*
* @param string $content MD content
* @param string $parser 'dolibarr'
* @param string $replaceimagepath Replace path to image with another path. Example: ('doc/'=>'xxx/aaa/')
* @return string Parsed content
*/
function dolMd2Asciidoc($content, $parser = 'dolibarr', $replaceimagepath = null)
{
if (is_array($replaceimagepath)) {
foreach ($replaceimagepath as $key => $val) {
$keytoreplace = ']('.$key;
$valafter = ']('.$val;
$content = preg_replace('/'.preg_quote($keytoreplace, '/').'/m', $valafter, $content);
}
}
//if ($parser == 'dolibarr')
//{
$content = preg_replace('/<!--.*-->/msU', '', $content);
//}
//else
//{
// $content = $content;
//}
return $content;
}