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<?php
/**
* @package OSMap
* @contact www.joomlashack.com, help@joomlashack.com
* @copyright 2007-2014 XMap - Joomla! Vargas - Guillermo Vargas. All rights reserved.
* @copyright 2016-2021 Joomlashack.com. All rights reserved.
* @license https://www.gnu.org/licenses/gpl.html GNU/GPL
*
* This file is part of OSMap.
*
* OSMap 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.
*
* OSMap 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 OSMap. If not, see <https://www.gnu.org/licenses/>.
*/
namespace Alledia\OSMap\Helper;
use Alledia\OSMap\Factory;
use Exception;
defined('_JEXEC') or die();
class Images
{
/**
* Extracts images from the given text.
*
* @param string $text
* @param int $max
*
* @return array
* @throws Exception
*/
public function getImagesFromText($text, $max = 9999)
{
$container = Factory::getPimpleContainer();
$images = [];
// Look <img> tags
preg_match_all(
'/<img[^>]*?(?:(?:[^>]*src="(?P<src>[^"]+)")|(?:[^>]*alt="(?P<alt>[^"]+)")|(?:[^>]*title="(?P<title>[^"]+)"))+[^>]*>/i',
$text,
$matches1,
PREG_SET_ORDER
);
// Look for <a> tags with href to images
preg_match_all(
'/<a[^>]*?(?:(?:[^>]*href="(?P<src>[^"]+\.(gif|png|jpg|jpeg))")|(?:[^>]*alt="(?P<alt>[^"]+)")|(?:[^>]*title="(?P<title>[^"]+)"))+[^>]*>/i',
$text,
$matches2,
PREG_SET_ORDER
);
$matches = array_merge($matches1, $matches2);
if (count($matches)) {
$count = count($matches);
$j = 0;
for ($i = 0; $i < $count && $j < $max; $i++) {
$src = trim($matches[$i]['src']);
if (!empty($src)) {
if ($container->router->isInternalURL($src)) {
if ($container->router->isRelativeUri($src)) {
$src = $container->router->convertRelativeUriToFullUri($src);
}
$image = (object)[
'src' => $src,
'title' => empty($matches[$i]['title'])
? (empty($matches[$i]['alt'])
? ''
: $matches[$i]['alt'])
: $matches[$i]['title']
];
$images[] = $image;
$j++;
}
}
}
}
return $images;
}
/**
* Return an array of images from the content image params.
*
* @param object $item
*
* @return array
* @throws Exception
*/
public function getImagesFromParams($item)
{
$container = Factory::getPimpleContainer();
$imagesParam = json_decode($item->images);
$images = [];
if (isset($imagesParam->image_intro) && !empty($imagesParam->image_intro)) {
$images[] = (object)[
'src' => $container->router->convertRelativeUriToFullUri($imagesParam->image_intro),
'title' => $imagesParam->image_intro_caption
];
}
if (isset($imagesParam->image_fulltext) && !empty($imagesParam->image_fulltext)) {
$images[] = (object)[
'src' => $container->router->convertRelativeUriToFullUri($imagesParam->image_fulltext),
'title' => $imagesParam->image_fulltext_caption
];
}
return $images;
}
}