Your IP : 216.73.217.80
<?php
/**
* @package Components Anywhere
* @version 4.7.1
*
* @author Peter van Westen <info@regularlabs.com>
* @link http://www.regularlabs.com
* @copyright Copyright © 2020 Regular Labs All Rights Reserved
* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
*/
namespace RegularLabs\Plugin\System\ComponentsAnywhere;
defined('_JEXEC') or die;
use Joomla\CMS\Factory as JFactory;
use Joomla\Utilities\ArrayHelper;
use RegularLabs\Library\RegEx as RL_RegEx;
class Document
{
public static function placeStylesAndScripts(&$head, &$body)
{
if (
strpos($head, '</head>') === false
&& strpos($body, '<!-- CA HEAD START') === false
)
{
return;
}
RL_RegEx::matchAll('<!-- CA HEAD START STYLES -->(.*?)<!-- CA HEAD END STYLES -->', $body, $matches);
if ( ! empty($matches))
{
$styles = '';
foreach ($matches as $match)
{
$styles .= $match[1];
$body = str_replace($match[0], '', $body);
}
$add_before = '</head>';
if (RL_RegEx::match('<link [^>]+templates/', $body, $add_before_match))
{
$add_before = $add_before_match[0];
}
$head = str_replace($add_before, $styles . $add_before, $head);
}
RL_RegEx::matchAll('<!-- CA HEAD START SCRIPTS -->(.*?)<!-- CA HEAD END SCRIPTS -->', $body, $matches, null, PREG_SET_ORDER);
if ( ! empty($matches))
{
$scripts = '';
foreach ($matches as $match)
{
$scripts .= $match[1];
$body = str_replace($match[0], '', $body);
}
$add_before = '</head>';
if (RL_RegEx::match('<script [^>]+templates/', $body, $add_before_match))
{
$add_before = $add_before_match[0];
}
$head = str_replace($add_before, $scripts . $add_before, $head);
}
self::removeDuplicatesFromHead($head, '<link[^>]*>');
self::removeDuplicatesFromHead($head, '<style.*?</style>');
self::removeDuplicatesFromHead($head, '<script.*?</script>');
}
public static function addStylesAndScripts(&$data, $area = '', $add_styles = true, $add_scripts = true, $add_meta = true)
{
if ($area == 'article' && JFactory::getDocument()->getType() == 'html')
{
self::addStylesAndScriptsToDocument($data, $add_scripts, $add_styles, $add_meta);
return;
}
self::addStylesAndScriptsInline($data, $add_scripts, $add_styles, $add_meta);
}
private static function addStylesAndScriptsToDocument(&$data, $add_styles = true, $add_scripts = true, $add_meta = true)
{
if ($add_styles)
{
self::addStylesToDocument($data);
}
if ($add_scripts)
{
self::addScriptsToDocument($data);
}
if ($add_meta)
{
self::addCustomToDocument($data);
}
}
private static function addStylesAndScriptsInline(&$data, $add_styles = true, $add_scripts = true, $add_meta = true)
{
if ($add_styles)
{
self::addStylesInline($data);
}
if ($add_scripts)
{
self::addScriptsInline($data);
}
if ($add_meta)
{
self::addCustomInline($data);
}
}
private static function addScriptsToDocument(&$data)
{
$doc = JFactory::getDocument();
self::initDataScripts($data);
foreach ($data->scripts as $script => $options)
{
$doc->addScript($script, (array) $options->options);
}
if (isset($data->script->{'joomla-script-options'}))
{
foreach ($data->script->{'joomla-script-options'} as $key => $value)
{
if (is_object($value))
{
$value = (array) $value;
}
$doc->addScriptOptions($key, $value);
}
unset($data->script->{'joomla-script-options'});
}
foreach ($data->script as $type => $content)
{
$doc->addScriptDeclaration($content, $type);
}
}
private static function addStylesToDocument(&$data)
{
$doc = JFactory::getDocument();
self::initDataStyles($data);
foreach ($data->styles as $style => $options)
{
$doc->addStyleSheet($style, (array) $options->options);
}
foreach ($data->style as $type => $content)
{
$doc->addStyleDeclaration($content, $type);
}
}
private static function addCustomToDocument(&$data)
{
$doc = JFactory::getDocument();
self::initDataCustom($data);
foreach ($data->custom as $content)
{
$doc->addCustomTag($content);
}
}
private static function addScriptsInline(&$data)
{
self::initDataScripts($data);
$scripts = [];
// Generate script file links
foreach ($data->scripts as $script => $options)
{
$scripts[] = self::scriptToString($script, $options) . "\n";
}
if (isset($data->script->{'joomla-script-options'}))
{
foreach ($data->script->{'joomla-script-options'} as $key => $value)
{
$prettyPrint = (JDEBUG && defined('JSON_PRETTY_PRINT') ? JSON_PRETTY_PRINT : false);
$jsonOptions = json_encode($data->script->{'joomla-script-options'}, $prettyPrint);
$jsonOptions = $jsonOptions ? $jsonOptions : '{}';
$scripts[] = '<script type="application/json" class="joomla-script-options new">'
. $jsonOptions
. '</script>';
}
unset($data->script->{'joomla-script-options'});
}
// Generate script declarations
foreach ($data->script as $type => $content)
{
if ( ! is_string($content))
{
continue;
}
$scripts[] = '<script type="' . $type . '">' . "\n"
. $content . "\n"
. '</script>' . "\n";
}
if (empty($scripts))
{
return;
}
$data->html = '<!-- CA HEAD START SCRIPTS -->' . implode('', $scripts) . '<!-- CA HEAD END SCRIPTS -->' . $data->html;
}
private static function addStylesInline(&$data)
{
self::initDataStyles($data);
$styles = [];
// Generate stylesheet links
foreach ($data->styles as $style => $options)
{
$styles[] = self::styleToString($style, $options) . "\n";
}
// Generate stylesheet declarations
foreach ($data->style as $type => $content)
{
$styles[] = '<style type="' . $type . '">' . "\n"
. $content . "\n"
. '</style>' . "\n";
}
if (empty($styles))
{
return;
}
$data->html = '<!-- CA HEAD START STYLES -->' . implode('', $styles) . '<!-- CA HEAD END STYLES -->' . $data->html;
}
private static function addCustomInline(&$data)
{
self::initDataCustom($data);
if (empty($data->custom))
{
return;
}
$custom = is_array($data->custom)
? implode("\n", $data->custom)
: (string) $data->custom;
if (empty($custom))
{
return;
}
$data->html = '<!-- CA HEAD START SCRIPTS -->' . $custom . '<!-- CA HEAD END SCRIPTS -->' . $data->html;
}
private static function initDataScripts($data)
{
$doc = JFactory::getDocument();
$data->scripts = ! empty($data->scripts) ? $data->scripts : [];
$data->script = ! empty($data->script) ? $data->script : [];
self::removeDuplicatesFromObject($data->scripts, $doc->_scripts);
self::removeDuplicatesFromObject($data->script, $doc->_script, 1);
}
private static function initDataStyles($data)
{
$doc = JFactory::getDocument();
$data->styles = ! empty($data->styles) ? $data->styles : [];
$data->style = ! empty($data->style) ? $data->style : [];
self::removeDuplicatesFromObject($data->styles, $doc->_styleSheets);
self::removeDuplicatesFromObject($data->style, $doc->_style, 1);
}
private static function initDataCustom($data)
{
$data->custom = ! empty($data->custom) ? $data->custom : [];
}
private static function styleToString($style, $options)
{
$attributes = '';
$attributes .= ! empty($options->media) ? ' media="' . $options->media . '"' : '';
$attributes .= ! empty($options->type) ? ' type="' . $options->type . '"' : '';
$attributes .= ! empty($options->mime) ? ' type="' . $options->mime . '"' : '';
$attributes .= ! empty($options->attribs) ? ' ' . ArrayHelper::toString((array) $options->attribs) : '';
return '<link rel="stylesheet" href="' . $style . '"' . $attributes . '>';
}
private static function scriptToString($script, $options)
{
$attributes = '';
$attributes .= ! empty($options->type) ? ' type="' . $options->type . '"' : '';
$attributes .= ! empty($options->mime) ? ' type="' . $options->mime . '"' : '';
$attributes .= ! empty($options->defer) ? ' defer="defer"' : '';
$attributes .= ! empty($options->async) ? ' async="async"' : '';
return '<script src="' . $script . '"' . $attributes . '></script>';
}
private static function removeDuplicatesFromObject(&$obj, $doc, $match_value = 0)
{
if (empty($obj))
{
return;
}
foreach ($obj as $key => $val)
{
if (isset($doc[$key]) && ( ! $match_value || $doc[$key] == $val))
{
unset($obj->{$key});
}
}
}
private static function removeDuplicatesFromHead(&$head, $regex = '')
{
RL_RegEx::matchAll($regex, $head, $matches, null, PREG_PATTERN_ORDER);
if (empty($matches))
{
return;
}
$tags = [];
foreach ($matches[0] as $tag)
{
if ( ! in_array($tag, $tags))
{
$tags[] = $tag;
continue;
}
$tag = RL_RegEx::quote($tag);
$head = RL_RegEx::replace('(' . $tag . '.*?)\s*' . $tag, '\1', $head);
}
}
}