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编辑当前文件:/home2/sdektunc/.trash/libraries.5/src/Document/Renderer/Html/MetasRenderer.php

<?php
/**
 * Joomla! Content Management System
 *
 * @copyright   (C) 2005 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

namespace Joomla\CMS\Document\Renderer\Html;

\defined('JPATH_PLATFORM') or die;

use Joomla\CMS\Document\DocumentRenderer;
use Joomla\CMS\Factory;
use Joomla\CMS\Helper\TagsHelper;
use Joomla\CMS\Uri\Uri;
use Joomla\CMS\WebAsset\WebAssetAttachBehaviorInterface;
use Joomla\Utilities\ArrayHelper;

/**
 * JDocument metas renderer
 *
 * @since  4.0.0
 */
class MetasRenderer extends DocumentRenderer
{
	/**
	 * Renders the document metas and returns the results as a string
	 *
	 * @param   string  $head     (unused)
	 * @param   array   $params   Associative array of values
	 * @param   string  $content  The script
	 *
	 * @return  string  The output of the script
	 *
	 * @since   4.0.0
	 */
	public function render($head, $params = array(), $content = null)
	{
		// Convert the tagids to titles
		if (isset($this->_doc->_metaTags['name']['tags']))
		{
			$tagsHelper = new TagsHelper;
			$this->_doc->_metaTags['name']['tags'] = implode(', ', $tagsHelper->getTagNames($this->_doc->_metaTags['name']['tags']));
		}

/** @var \Joomla\CMS\Application\CMSApplication $app */
		$app = Factory::getApplication();
		$wa  = $this->_doc->getWebAssetManager();

// Check for AttachBehavior and web components
		foreach ($wa->getAssets('script', true) as $asset)
		{
			if ($asset instanceof WebAssetAttachBehaviorInterface)
			{
				$asset->onAttachCallback($this->_doc);
			}
		}

// Trigger the onBeforeCompileHead event
		$app->triggerEvent('onBeforeCompileHead');

// Add Script Options as inline asset
		$scriptOptions = $this->_doc->getScriptOptions();

if ($scriptOptions)
		{
			$prettyPrint = (JDEBUG && \defined('JSON_PRETTY_PRINT') ? JSON_PRETTY_PRINT : false);
			$jsonOptions = json_encode($scriptOptions, $prettyPrint);
			$jsonOptions = $jsonOptions ? $jsonOptions : '{}';

$wa->addInlineScript(
				$jsonOptions,
				['name' => 'joomla.script.options', 'position' => 'before'],
				['type' => 'application/json', 'class' => 'joomla-script-options new'],
				['core']
			);
		}

// Lock the AssetManager
		$wa->lock();

// Get line endings
		$lnEnd        = $this->_doc->_getLineEnd();
		$tab          = $this->_doc->_getTab();
		$buffer       = '';

// Generate charset when using HTML5 (should happen first)
		if ($this->_doc->isHtml5())
		{
			$buffer .= $tab . '<meta charset="' . $this->_doc->getCharset() . '">' . $lnEnd;
		}

// Generate base tag (need to happen early)
		$base = $this->_doc->getBase();

if (!empty($base))
		{
			$buffer .= $tab . '<base href="' . $base . '">' . $lnEnd;
		}

$noFavicon = true;
		$searchFor = 'image/vnd.microsoft.icon';

// @codingStandardsIgnoreStart
		array_map(function($value) use(&$noFavicon, $searchFor) {
			if (isset($value['attribs']['type']) && $value['attribs']['type'] === $searchFor)
			{
				$noFavicon = false;
			}
		}, array_values((array)$this->_doc->_links));
		// @codingStandardsIgnoreEnd

if ($noFavicon)
		{
			$client   = $app->isClient('administrator') === true ? 'administrator/' : 'site/';
			$template = $app->getTemplate(true);

// Try to find a favicon by checking the template and root folder
			$icon = '/favicon.ico';
			$foldersToCheck = [
				JPATH_BASE,
				JPATH_ROOT . '/media/templates/' . $client . $template->template,
				JPATH_BASE . '/templates/' . $template->template,
			];

foreach ($foldersToCheck as $base => $dir)
			{
				if ($template->parent !== ''
					&& $base === 1
					&& !is_file(JPATH_ROOT . '/media/templates/' . $client . $template->template . $icon))
				{
					$dir = JPATH_ROOT . '/media/templates/' . $client . $template->parent;
				}

if (is_file($dir . $icon))
				{
					$urlBase = in_array($base, [0, 2]) ? Uri::base(true) : Uri::root(true);
					$base    = in_array($base, [0, 2]) ? JPATH_BASE : JPATH_ROOT;
					$path    = str_replace($base, '', $dir);
					$path    = str_replace('\\', '/', $path);
					$this->_doc->addFavicon($urlBase . $path . $icon);
					break;
				}
			}
		}

// Generate META tags (needs to happen as early as possible in the head)
		foreach ($this->_doc->_metaTags as $type => $tag)
		{
			foreach ($tag as $name => $contents)
			{
				if ($type === 'http-equiv' && !($this->_doc->isHtml5() && $name === 'content-type'))
				{
					$buffer .= $tab . '<meta http-equiv="' . $name . '" content="'
						. htmlspecialchars($contents, ENT_COMPAT, 'UTF-8') . '">' . $lnEnd;
				}
				elseif ($type !== 'http-equiv' && !empty($contents))
				{
					$buffer .= $tab . '<meta ' . $type . '="' . $name . '" content="'
						. htmlspecialchars($contents, ENT_COMPAT, 'UTF-8') . '">' . $lnEnd;
				}
			}
		}

// Don't add empty descriptions
		$documentDescription = $this->_doc->getDescription();

if ($documentDescription)
		{
			$buffer .= $tab . '<meta name="description" content="' . htmlspecialchars($documentDescription, ENT_COMPAT, 'UTF-8') . '">' . $lnEnd;
		}

// Don't add empty generators
		$generator = $this->_doc->getGenerator();

if ($generator)
		{
			$buffer .= $tab . '<meta name="generator" content="' . htmlspecialchars($generator, ENT_COMPAT, 'UTF-8') . '">' . $lnEnd;
		}

$buffer .= $tab . '<title>' . htmlspecialchars($this->_doc->getTitle(), ENT_COMPAT, 'UTF-8') . '</title>' . $lnEnd;

// Generate link declarations
		foreach ($this->_doc->_links as $link => $linkAtrr)
		{
			$buffer .= $tab . '<link href="' . $link . '" ' . $linkAtrr['relType'] . '="' . $linkAtrr['relation'] . '"';

if (\is_array($linkAtrr['attribs']))
			{
				if ($temp = ArrayHelper::toString($linkAtrr['attribs']))
				{
					$buffer .= ' ' . $temp;
				}
			}

$buffer .= '>' . $lnEnd;
		}

return ltrim($buffer, $tab);
	}
}