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/classes/Media.php

https://gitlab.com/mtellezgalindo/PrestaShop
PHP | 799 lines | 581 code | 90 blank | 128 comment | 129 complexity | 64801978c54594ff78e91e7c156424cd MD5 | raw file
Possible License(s): CC-BY-SA-3.0, LGPL-3.0 
    

  1. <?php
    2. 

  2. /*
    3. 

  3. * 2007-2014 PrestaShop
    4. 

  4. *
    5. 

  5. * NOTICE OF LICENSE
    6. 

  6. *
    7. 

  7. * This source file is subject to the Open Software License (OSL 3.0)
    8. 

  8. * that is bundled with this package in the file LICENSE.txt.
    9. 

  9. * It is also available through the world-wide-web at this URL:
    10. 

  10. * http://opensource.org/licenses/osl-3.0.php
    11. 

  11. * If you did not receive a copy of the license and are unable to
    12. 

  12. * obtain it through the world-wide-web, please send an email
    13. 

  13. * to license@prestashop.com so we can send you a copy immediately.
    14. 

  14. *
    15. 

  15. * DISCLAIMER
    16. 

  16. *
    17. 

  17. * Do not edit or add to this file if you wish to upgrade PrestaShop to newer
    18. 

  18. * versions in the future. If you wish to customize PrestaShop for your
    19. 

  19. * needs please refer to http://www.prestashop.com for more information.
    20. 

  20. *
    21. 

  21. *  @author PrestaShop SA <contact@prestashop.com>
    22. 

  22. *  @copyright  2007-2014 PrestaShop SA
    23. 

  23. *  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
    24. 

  24. *  International Registered Trademark & Property of PrestaShop SA
    25. 

  25. */
    26. 

  26. 

  27. class MediaCore
    28. 

  28. {
    29. 

  29. 	public static $jquery_ui_dependencies = array(
    30. 

  30. 		'ui.core' => array('fileName' => 'jquery.ui.core.min.js', 'dependencies' => array(), 'theme' => true),
    31. 

  31. 		'ui.widget' => array('fileName' => 'jquery.ui.widget.min.js', 'dependencies' => array(), 'theme' => false),
    32. 

  32. 		'ui.mouse' => array('fileName' => 'jquery.ui.mouse.min.js', 'dependencies' => array('ui.core', 'ui.widget'), 'theme' => false),
    33. 

  33. 		'ui.position' => array('fileName' => 'jquery.ui.position.min.js', 'dependencies' => array(), 'theme' => false),
    34. 

  34. 		'ui.draggable' => array('fileName' => 'jquery.ui.draggable.min.js', 'dependencies' => array('ui.core', 'ui.widget', 'ui.mouse'), 'theme' => false),
    35. 

  35. 		'ui.droppable' => array('fileName' => 'jquery.ui.droppable.min.js', 'dependencies' => array('ui.core', 'ui.widget', 'ui.mouse', 'ui.draggable'), 'theme' => false),
    36. 

  36. 		'ui.resizable' => array('fileName' => 'jquery.ui.resizable.min.js', 'dependencies' => array('ui.core', 'ui.widget', 'ui.mouse'), 'theme' => true),
    37. 

  37. 		'ui.selectable' => array('fileName' => 'jquery.ui.selectable.min.js', 'dependencies' => array('ui.core', 'ui.widget', 'ui.mouse'), 'theme' => true),
    38. 

  38. 		'ui.sortable' => array('fileName' => 'jquery.ui.sortable.min.js', 'dependencies' => array('ui.core', 'ui.widget', 'ui.mouse'), 'theme' => true),
    39. 

  39. 		'ui.autocomplete' => array('fileName' => 'jquery.ui.autocomplete.min.js', 'dependencies' => array('ui.core', 'ui.widget', 'ui.position', 'ui.menu'), 'theme' => true),
    40. 

  40. 		'ui.button' => array('fileName' => 'jquery.ui.button.min.js', 'dependencies' => array('ui.core', 'ui.widget'), 'theme' => true),
    41. 

  41. 		'ui.dialog' => array('fileName' => 'jquery.ui.dialog.min.js', 'dependencies' => array('ui.core', 'ui.widget', 'ui.position','ui.button'), 'theme' => true),
    42. 

  42. 		'ui.menu' => array('fileName' => 'jquery.ui.menu.min.js', 'dependencies' => array('ui.core', 'ui.widget', 'ui.position'), 'theme' => true),
    43. 

  43. 		'ui.slider' => array('fileName' => 'jquery.ui.slider.min.js', 'dependencies' => array('ui.core', 'ui.widget', 'ui.mouse'), 'theme' => true),
    44. 

  44. 		'ui.spinner' => array('fileName' => 'jquery.ui.spinner.min.js', 'dependencies' => array('ui.core', 'ui.widget', 'ui.button'), 'theme' => true),
    45. 

  45. 		'ui.tabs' => array('fileName' => 'jquery.ui.tabs.min.js', 'dependencies' => array('ui.core', 'ui.widget'), 'theme' => true),
    46. 

  46. 		'ui.datepicker' => array('fileName' => 'jquery.ui.datepicker.min.js', 'dependencies' => array('ui.core'), 'theme' => true),
    47. 

  47. 		'ui.progressbar' => array('fileName' => 'jquery.ui.progressbar.min.js', 'dependencies' => array('ui.core', 'ui.widget'), 'theme' => true),
    48. 

  48. 		'ui.tooltip' => array('fileName' => 'jquery.ui.tooltip.min.js', 'dependencies' => array('ui.core', 'ui.widget','ui.position','effects.core'), 'theme' => true),
    49. 

  49. 		'ui.accordion' => array('fileName' => 'jquery.ui.accordion.min.js', 'dependencies' => array('ui.core', 'ui.widget','effects.core'), 'theme' => true),
    50. 

  50. 		'effects.core' => array('fileName' => 'jquery.effects.core.min.js', 'dependencies' => array(), 'theme' => false),
    51. 

  51. 		'effects.blind' => array('fileName' => 'jquery.effects.blind.min.js', 'dependencies' => array('effects.core'), 'theme' => false),
    52. 

  52. 		'effects.bounce' => array('fileName' => 'jquery.effects.bounce.min.js', 'dependencies' => array('effects.core'), 'theme' => false),
    53. 

  53. 		'effects.clip' => array('fileName' => 'jquery.effects.clip.min.js', 'dependencies' => array('effects.core'), 'theme' => false),
    54. 

  54. 		'effects.drop' => array('fileName' => 'jquery.effects.drop.min.js', 'dependencies' => array('effects.core'), 'theme' => false),
    55. 

  55. 		'effects.explode' => array('fileName' => 'jquery.effects.explode.min.js', 'dependencies' => array('effects.core'), 'theme' => false),
    56. 

  56. 		'effects.fade' => array('fileName' => 'jquery.effects.fade.min.js', 'dependencies' => array('effects.core'), 'theme' => false),
    57. 

  57. 		'effects.fold' => array('fileName' => 'jquery.effects.fold.min.js', 'dependencies' => array('effects.core'), 'theme' => false),
    58. 

  58. 		'effects.highlight' => array('fileName' => 'jquery.effects.highlight.min.js', 'dependencies' => array('effects.core'), 'theme' => false),
    59. 

  59. 		'effects.pulsate' => array('fileName' => 'jquery.effects.pulsate.min.js', 'dependencies' => array('effects.core'), 'theme' => false),
    60. 

  60. 		'effects.scale' => array('fileName' => 'jquery.effects.scale.min.js', 'dependencies' => array('effects.core'), 'theme' => false),
    61. 

  61. 		'effects.shake' => array('fileName' => 'jquery.effects.shake.min.js', 'dependencies' => array('effects.core'), 'theme' => false),
    62. 

  62. 		'effects.slide' => array('fileName' => 'jquery.effects.slide.min.js', 'dependencies' => array('effects.core'), 'theme' => false),
    63. 

  63. 		'effects.transfer' => array('fileName' => 'jquery.effects.transfer.min.js', 'dependencies' => array('effects.core'), 'theme' => false)
    64. 

  64. 	);
    65. 

  65. 

  66. 	/**
    67. 

  67. 	 * @var array list of javascript definitions
    68. 

  68. 	 */
    69. 

  69. 	protected static $js_def = array();
    70. 

  70. 

  71. 	/**
    72. 

  72. 	 * @var array list of javascript inline scripts
    73. 

  73. 	 */
    74. 

  74. 	protected static $inline_script = array();
    75. 

  75. 

  76. 	/**
    77. 

  77. 	 * @var array list of javascript external scripts
    78. 

  78. 	 */
    79. 

  79. 	protected static $inline_script_src = array();
    80. 

  80. 

  81. 	public static function minifyHTML($html_content)
    82. 

  82. 	{
    83. 

  83. 		if (strlen($html_content) > 0)
    84. 

  84. 		{
    85. 

  85. 			//set an alphabetical order for args
    86. 

  86. 			// $html_content = preg_replace_callback(
    87. 

  87. 				// '/(<[a-zA-Z0-9]+)((\s*[a-zA-Z0-9]+=[\"\\\'][^\"\\\']*[\"\\\']\s*)*)>/',
    88. 

  88. 				// array('Media', 'minifyHTMLpregCallback'),
    89. 

  89. 				// $html_content,
    90. 

  90. 				// Media::getBackTrackLimit());
    91. 

  91. 

  92. 			require_once(_PS_TOOL_DIR_.'minify_html/minify_html.class.php');
    93. 

  93. 			$html_content = str_replace(chr(194).chr(160), '&nbsp;', $html_content);
    94. 

  94. 			if (trim($minified_content = Minify_HTML::minify($html_content, array('cssMinifier', 'jsMinifier'))) !=  '')
    95. 

  95. 				$html_content = $minified_content;
    96. 

  96. 

  97. 			return $html_content;
    98. 

  98. 		}
    99. 

  99. 		return false;
    100. 

  100. 	}
    101. 

  101. 

  102. 	public static function minifyHTMLpregCallback($preg_matches)
    103. 

  103. 	{
    104. 

  104. 		$args = array();
    105. 

  105. 		preg_match_all('/[a-zA-Z0-9]+=[\"\\\'][^\"\\\']*[\"\\\']/is', $preg_matches[2], $args);
    106. 

  106. 		$args = $args[0];
    107. 

  107. 		sort($args);
    108. 

  108. 		// if there is no args in the balise, we don't write a space (avoid previous : <title >, now : <title>)
    109. 

  109. 		if (empty($args))
    110. 

  110. 			$output = $preg_matches[1].'>';
    111. 

  111. 		else
    112. 

  112. 			$output = $preg_matches[1].' '.implode(' ', $args).'>';
    113. 

  113. 		return $output;
    114. 

  114. 	}
    115. 

  115. 

  116. 	public static function packJSinHTML($html_content)
    117. 

  117. 	{
    118. 

  118. 		if (strlen($html_content) > 0)
    119. 

  119. 		{
    120. 

  120. 			$html_content_copy = $html_content;
    121. 

  121. 			$html_content = preg_replace_callback(
    122. 

  122. 				'/\\s*(<script\\b[^>]*?>)([\\s\\S]*?)(<\\/script>)\\s*/i',
    123. 

  123. 				array('Media', 'packJSinHTMLpregCallback'),
    124. 

  124. 				$html_content,
    125. 

  125. 				Media::getBackTrackLimit());
    126. 

  126. 

  127. 			// If the string is too big preg_replace return an error
    128. 

  128. 			// In this case, we don't compress the content
    129. 

  129. 			if (function_exists('preg_last_error') && preg_last_error() == PREG_BACKTRACK_LIMIT_ERROR)
    130. 

  130. 			{
    131. 

  131. 				if (_PS_MODE_DEV_)
    132. 

  132. 					error_log('ERROR: PREG_BACKTRACK_LIMIT_ERROR in function packJSinHTML');
    133. 

  133. 				return $html_content_copy;
    134. 

  134. 			}
    135. 

  135. 			return $html_content;
    136. 

  136. 		}
    137. 

  137. 		return false;
    138. 

  138. 	}
    139. 

  139. 

  140. 	public static function packJSinHTMLpregCallback($preg_matches)
    141. 

  141. 	{
    142. 

  142. 		if (!(trim($preg_matches[2])))
    143. 

  143. 			return $preg_matches[0];
    144. 

  144. 		$preg_matches[1] = $preg_matches[1].'/* <![CDATA[ */';
    145. 

  145. 		$preg_matches[2] = Media::packJS($preg_matches[2]);
    146. 

  146. 		$preg_matches[count($preg_matches) - 1] = '/* ]]> */'.$preg_matches[count($preg_matches) - 1];
    147. 

  147. 		unset($preg_matches[0]);
    148. 

  148. 		$output = implode('', $preg_matches);
    149. 

  149. 		return $output;
    150. 

  150. 	}
    151. 

  151. 

  152. 	public static function packJS($js_content)
    153. 

  153. 	{
    154. 

  154. 		if (!empty($js_content))
    155. 

  155. 		{
    156. 

  156. 			require_once(_PS_TOOL_DIR_.'js_minify/jsmin.php');
    157. 

  157. 			try {
    158. 

  158. 				$js_content = JSMin::minify($js_content);
    159. 

  159. 			} catch (Exception $e) {
    160. 

  160. 				if (_PS_MODE_DEV_)
    161. 

  161. 					echo $e->getMessage();
    162. 

  162. 				return ';'.trim($js_content, ';').';';
    163. 

  163. 			}
    164. 

  164. 		}
    165. 

  165. 		return ';'.trim($js_content, ';').';';
    166. 

  166. 	}
    167. 

  167. 

  168. 	public static function minifyCSS($css_content, $fileuri = false, &$import_url = array())
    169. 

  169. 	{
    170. 

  170. 		global $current_css_file;
    171. 

  171. 

  172. 		$current_css_file = $fileuri;
    173. 

  173. 		if (strlen($css_content) > 0)
    174. 

  174. 		{
    175. 

  175. 			$limit  = Media::getBackTrackLimit();
    176. 

  176. 			$css_content = preg_replace('#/\*.*?\*/#s', '', $css_content, $limit);
    177. 

  177. 			$css_content = preg_replace_callback('#(url\((?![\\\'"]?data:)(?!http://)(?!https://)(?:\'|")?)([^\)\'"]*(?:\'|")?\))#s', array('Tools', 'replaceByAbsoluteURL'), $css_content, $limit);
    178. 

  178. 			$css_content = preg_replace('#\s+#', ' ', $css_content, $limit);
    179. 

  179. 			$css_content = str_replace(array("\t", "\n", "\r"), '', $css_content);
    180. 

  180. 			$css_content = str_replace(array('; ', ': '), array(';', ':'), $css_content);
    181. 

  181. 			$css_content = str_replace(array(' {', '{ '), '{', $css_content);
    182. 

  182. 			$css_content = str_replace(', ', ',', $css_content);
    183. 

  183. 			$css_content = str_replace(array('} ', ' }', ';}'), '}', $css_content);
    184. 

  184. 			$css_content = str_replace(array(':0px', ':0em', ':0pt', ':0%'), ':0', $css_content);
    185. 

  185. 			$css_content = str_replace(array(' 0px', ' 0em', ' 0pt', ' 0%'), ' 0', $css_content);
    186. 

  186. 			$css_content = str_replace('\'images_ie/', '\'images/', $css_content);
    187. 

  187. 			$css_content = preg_replace_callback('#(AlphaImageLoader\(src=\')([^\']*\',)#s', array('Tools', 'replaceByAbsoluteURL'), $css_content);
    188. 

  188. 			// Store all import url
    189. 

  189. 			preg_match_all('#@(import|charset) .*?;#i', $css_content, $m);
    190. 

  190. 			for ($i = 0, $total = count($m[0]); $i < $total; $i++)
    191. 

  191. 			{
    192. 

  192. 				if (isset($m[1][$i]) && $m[1][$i] == 'import')
    193. 

  193. 					$import_url[] = $m[0][$i];
    194. 

  194. 				$css_content = str_replace($m[0][$i], '', $css_content);
    195. 

  195. 			}
    196. 

  196. 

  197. 			return trim($css_content);
    198. 

  198. 		}
    199. 

  199. 		return false;
    200. 

  200. 	}
    201. 

  201. 

  202. 	/**
    203. 

  203. 	 * addJS return javascript path
    204. 

  204. 	 *
    205. 

  205. 	 * @param mixed $js_uri
    206. 

  206. 	 * @return string
    207. 

  207. 	 */
    208. 

  208. 	public static function getJSPath($js_uri)
    209. 

  209. 	{
    210. 

  210. 		return Media::getMediaPath($js_uri);
    211. 

  211. 	}
    212. 

  212. 

  213. 	/**
    214. 

  214. 	 * addCSS return stylesheet path.
    215. 

  215. 	 *
    216. 

  216. 	 * @param mixed $css_uri
    217. 

  217. 	 * @param string $css_media_type
    218. 

  218. 	 * @param bool $need_rtl
    219. 

  219. 	 * @return string
    220. 

  220. 	 */
    221. 

  221. 	public static function getCSSPath($css_uri, $css_media_type = 'all', $need_rtl = true)
    222. 

  222. 	{
    223. 

  223. 		// RTL Ready: search and load rtl css file if it's not originally rtl
    224. 

  224. 		if($need_rtl && Context::getContext()->language->is_rtl)
    225. 

  225. 		{
    226. 

  226. 			$css_uri_rtl = preg_replace('/(^[^.].*)(\.css)$/', '$1_rtl.css', $css_uri);
    227. 

  227. 			$rtl_media = Media::getMediaPath($css_uri_rtl, $css_media_type);
    228. 

  228. 			if($rtl_media != false)
    229. 

  229. 				return $rtl_media;
    230. 

  230. 		}
    231. 

  231. 		// End RTL
    232. 

  232. 		return Media::getMediaPath($css_uri, $css_media_type);
    233. 

  233. 	}
    234. 

  234. 

  235. 	public static function getMediaPath($media_uri, $css_media_type = null)
    236. 

  236. 	{
    237. 

  237. 		if (is_array($media_uri) || $media_uri === null || empty($media_uri))
    238. 

  238. 			return false;
    239. 

  239. 

  240. 		$url_data = parse_url($media_uri);
    241. 

  241. 		if (!is_array($url_data))
    242. 

  242. 			return false;
    243. 

  243. 

  244. 		$file_uri = '';
    245. 

  245. 		if (!array_key_exists('host', $url_data))
    246. 

  246. 		{
    247. 

  247. 			$media_uri_host_mode = '/'.ltrim(str_replace(str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, _PS_CORE_DIR_), __PS_BASE_URI__, $media_uri), '/\\');
    248. 

  248. 			$media_uri = '/'.ltrim(str_replace(str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, _PS_ROOT_DIR_), __PS_BASE_URI__, $media_uri), '/\\');
    249. 

  249. 			$url_data['path'] = $media_uri;
    250. 

  250. 			// remove PS_BASE_URI on _PS_ROOT_DIR_ for the following
    251. 

  251. 			$file_uri = _PS_ROOT_DIR_.Tools::str_replace_once(__PS_BASE_URI__, DIRECTORY_SEPARATOR, $url_data['path']);
    252. 

  252. 			$file_uri_host_mode = _PS_CORE_DIR_.Tools::str_replace_once(__PS_BASE_URI__, DIRECTORY_SEPARATOR, Tools::str_replace_once(_PS_CORE_DIR_, '', $url_data['path']));
    253. 

  253. 		}
    254. 

  254. 

  255. 		// check if css files exists
    256. 

  256. 		if (!array_key_exists('host', $url_data))
    257. 

  257. 		{
    258. 

  258. 			if (!@filemtime($file_uri) || @filesize($file_uri) === 0)
    259. 

  259. 			{
    260. 

  260. 				if (!defined('_PS_HOST_MODE_'))
    261. 

  261. 					return false;
    262. 

  262. 				elseif(!@filemtime($file_uri_host_mode) || @filesize($file_uri_host_mode) === 0)
    263. 

  263. 					return false;
    264. 

  264. 				else
    265. 

  265. 				{
    266. 

  266. 					$media_uri = $media_uri_host_mode;
    267. 

  267. 					$file_uri = $file_uri_host_mode;
    268. 

  268. 				}
    269. 

  269. 			}
    270. 

  270. 		}
    271. 

  271. 

  272. 		if (!array_key_exists('host', $url_data))
    273. 

  273. 			$media_uri = str_replace('//', '/', $media_uri);
    274. 

  274. 

  275. 		if ($css_media_type)
    276. 

  276. 			return array($media_uri => $css_media_type);
    277. 

  277. 

  278. 		return $media_uri;
    279. 

  279. 	}
    280. 

  280. 

  281. 	/**
    282. 

  282. 	 * return jquery path.
    283. 

  283. 	 *
    284. 

  284. 	 * @param mixed $version
    285. 

  285. 	 * @return string
    286. 

  286. 	 */
    287. 

  287. 	public static function getJqueryPath($version = null, $folder = null, $minifier = true)
    288. 

  288. 	{
    289. 

  289. 		$add_no_conflict = false;
    290. 

  290. 		if ($version === null)
    291. 

  291. 			$version = _PS_JQUERY_VERSION_; //set default version
    292. 

  292. 		elseif (preg_match('/^([0-9\.]+)$/Ui', $version))
    293. 

  293. 			$add_no_conflict = true;
    294. 

  294. 		else
    295. 

  295. 			return false;
    296. 

  296. 

  297. 		if ($folder === null)
    298. 

  298. 			$folder = _PS_JS_DIR_.'jquery/'; //set default folder
    299. 

  299. 		//check if file exist
    300. 

  300. 		$file = $folder.'jquery-'.$version.($minifier ? '.min.js' : '.js');
    301. 

  301. 

  302. 		// remove PS_BASE_URI on _PS_ROOT_DIR_ for the following
    303. 

  303. 		$url_data = parse_url($file);
    304. 

  304. 		$file_uri = _PS_ROOT_DIR_.Tools::str_replace_once(__PS_BASE_URI__, DIRECTORY_SEPARATOR, $url_data['path']);
    305. 

  305. 		$file_uri_host_mode = _PS_CORE_DIR_.Tools::str_replace_once(__PS_BASE_URI__, DIRECTORY_SEPARATOR, $url_data['path']);
    306. 

  306. 		// check if js files exists, if not try to load query from ajax.googleapis.com
    307. 

  307. 

  308. 		$return = array();
    309. 

  309. 		if (@filemtime($file_uri) || (defined('_PS_HOST_MODE_') && @filemtime($file_uri_host_mode)))
    310. 

  310. 			$return[] = Media::getJSPath($file);
    311. 

  311. 		else
    312. 

  312. 			$return[] = Media::getJSPath(Tools::getCurrentUrlProtocolPrefix().'ajax.googleapis.com/ajax/libs/jquery/'.$version.'/jquery'.($minifier ? '.min.js' : '.js'));
    313. 

  313. 

  314. 		if ($add_no_conflict)
    315. 

  315. 			$return[] = Media::getJSPath(Context::getContext()->link->getMediaLink(_PS_JS_DIR_.'jquery/jquery.noConflict.php?version='.$version));
    316. 

  316. 

  317. 		//added query migrate for compatibility with new version of jquery will be removed in ps 1.6
    318. 

  318. 		$return[] = Media::getJSPath(_PS_JS_DIR_.'jquery/jquery-migrate-1.2.1.min.js');
    319. 

  319. 

  320. 		return $return;
    321. 

  321. 	}
    322. 

  322. 

  323. 	/**
    324. 

  324. 	 * return jqueryUI component path.
    325. 

  325. 	 *
    326. 

  326. 	 * @param mixed $component
    327. 

  327. 	 * @return string
    328. 

  328. 	 */
    329. 

  329. 	public static function getJqueryUIPath($component, $theme, $check_dependencies)
    330. 

  330. 	{
    331. 

  331. 		$ui_path = array('js' => array(), 'css' => array());
    332. 

  332. 		$folder = _PS_JS_DIR_.'jquery/ui/';
    333. 

  333. 		$file = 'jquery.'.$component.'.min.js';
    334. 

  334. 		$url_data = parse_url($folder.$file);
    335. 

  335. 		$file_uri = _PS_ROOT_DIR_.Tools::str_replace_once(__PS_BASE_URI__, DIRECTORY_SEPARATOR, $url_data['path']);
    336. 

  336. 		$file_uri_host_mode = _PS_CORE_DIR_.Tools::str_replace_once(__PS_BASE_URI__, DIRECTORY_SEPARATOR, $url_data['path']);
    337. 

  337. 		$ui_tmp = array();
    338. 

  338. 		if (isset(Media::$jquery_ui_dependencies[$component]) && Media::$jquery_ui_dependencies[$component]['theme'] && $check_dependencies)
    339. 

  339. 		{
    340. 

  340. 			$theme_css = Media::getCSSPath($folder.'themes/'.$theme.'/jquery.ui.theme.css');
    341. 

  341. 			$comp_css = Media::getCSSPath($folder.'themes/'.$theme.'/jquery.'.$component.'.css');
    342. 

  342. 			if (!empty($theme_css) || $theme_css)
    343. 

  343. 				$ui_path['css'] = array_merge($ui_path['css'], $theme_css);
    344. 

  344. 			if (!empty($comp_css) || $comp_css)
    345. 

  345. 				$ui_path['css'] = array_merge($ui_path['css'], $comp_css);
    346. 

  346. 		}
    347. 

  347. 		if ($check_dependencies && array_key_exists($component, self::$jquery_ui_dependencies))
    348. 

  348. 		{
    349. 

  349. 			foreach (self::$jquery_ui_dependencies[$component]['dependencies'] as $dependency)
    350. 

  350. 			{
    351. 

  351. 				$ui_tmp[] = Media::getJqueryUIPath($dependency, $theme, false);
    352. 

  352. 				if (self::$jquery_ui_dependencies[$dependency]['theme'])
    353. 

  353. 					$dep_css = Media::getCSSPath($folder.'themes/'.$theme.'/jquery.'.$dependency.'.css');
    354. 

  354. 

  355. 

  356. 				if (isset($dep_css) && (!empty($dep_css) || $dep_css))
    357. 

  357. 					$ui_path['css'] = array_merge($ui_path['css'], $dep_css);
    358. 

  358. 			}
    359. 

  359. 		}
    360. 

  360. 		if (@filemtime($file_uri) || (defined('_PS_HOST_MODE_') && @filemtime($file_uri_host_mode)))
    361. 

  361. 		{
    362. 

  362. 			if (!empty($ui_tmp))
    363. 

  363. 			{
    364. 

  364. 				foreach ($ui_tmp as $ui)
    365. 

  365. 				{
    366. 

  366. 					if (!empty($ui['js']))
    367. 

  367. 						$ui_path['js'][] = $ui['js'];
    368. 

  368. 

  369. 					if (!empty($ui['css']))
    370. 

  370. 						$ui_path['css'][] = $ui['css'];
    371. 

  371. 				}
    372. 

  372. 				$ui_path['js'][] = Media::getJSPath($folder.$file);
    373. 

  373. 			}
    374. 

  374. 			else
    375. 

  375. 				$ui_path['js'] = Media::getJSPath($folder.$file);
    376. 

  376. 		}
    377. 

  377. 

  378. 		//add i18n file for datepicker
    379. 

  379. 		if ($component == 'ui.datepicker')
    380. 

  380. 		{
    381. 

  381. 			if (!is_array($ui_path['js']))
    382. 

  382. 				$ui_path['js'] = array($ui_path['js']);
    383. 

  383. 

  384. 			$ui_path['js'][] = Media::getJSPath($folder.'i18n/jquery.ui.datepicker-'.Context::getContext()->language->iso_code.'.js');
    385. 

  385. 		}
    386. 

  386. 

  387. 		return $ui_path;
    388. 

  388. 	}
    389. 

  389. 

  390. 	/**
    391. 

  391. 	 * return jquery plugin path.
    392. 

  392. 	 *
    393. 

  393. 	 * @param mixed $name
    394. 

  394. 	 * @return string|boolean
    395. 

  395. 	 */
    396. 

  396. 	public static function getJqueryPluginPath($name, $folder = null)
    397. 

  397. 	{
    398. 

  398. 		$plugin_path = array('js' => array(), 'css' => array());
    399. 

  399. 		if ($folder === null)
    400. 

  400. 			$folder = _PS_JS_DIR_.'jquery/plugins/'; //set default folder
    401. 

  401. 

  402. 		$file = 'jquery.'.$name.'.js';
    403. 

  403. 		$url_data = parse_url($folder);
    404. 

  404. 		$file_uri = _PS_ROOT_DIR_.Tools::str_replace_once(__PS_BASE_URI__, DIRECTORY_SEPARATOR, $url_data['path']);
    405. 

  405. 		$file_uri_host_mode = _PS_CORE_DIR_.Tools::str_replace_once(__PS_BASE_URI__, DIRECTORY_SEPARATOR, $url_data['path']);
    406. 

  406. 

  407. 		if (@file_exists($file_uri.$file) || (defined('_PS_HOST_MODE_') && @file_exists($file_uri_host_mode.$file)))
    408. 

  408. 			$plugin_path['js'] = Media::getJSPath($folder.$file);
    409. 

  409. 		elseif (@file_exists($file_uri.$name.'/'.$file) || (defined('_PS_HOST_MODE_') && @file_exists($file_uri_host_mode.$name.'/'.$file)))
    410. 

  410. 			$plugin_path['js'] = Media::getJSPath($folder.$name.'/'.$file);
    411. 

  411. 		else
    412. 

  412. 			return false;
    413. 

  413. 		$plugin_path['css'] = Media::getJqueryPluginCSSPath($name, $folder);
    414. 

  414. 

  415. 		return $plugin_path;
    416. 

  416. 	}
    417. 

  417. 

  418. 	/**
    419. 

  419. 	 * return jquery plugin css path if exist.
    420. 

  420. 	 *
    421. 

  421. 	 * @param mixed $name
    422. 

  422. 	 * @return string|boolean
    423. 

  423. 	 */
    424. 

  424. 	public static function getJqueryPluginCSSPath($name, $folder = null)
    425. 

  425. 	{
    426. 

  426. 		if ($folder === null)
    427. 

  427. 			$folder = _PS_JS_DIR_.'jquery/plugins/'; //set default folder
    428. 

  428. 		$file = 'jquery.'.$name.'.css';
    429. 

  429. 		$url_data = parse_url($folder);
    430. 

  430. 		$file_uri = _PS_ROOT_DIR_.Tools::str_replace_once(__PS_BASE_URI__, DIRECTORY_SEPARATOR, $url_data['path']);
    431. 

  431. 		$file_uri_host_mode = _PS_CORE_DIR_.Tools::str_replace_once(__PS_BASE_URI__, DIRECTORY_SEPARATOR, $url_data['path']);
    432. 

  432. 

  433. 		if (@file_exists($file_uri.$file) || (defined('_PS_HOST_MODE_') && @file_exists($file_uri_host_mode.$file)))
    434. 

  434. 			return Media::getCSSPath($folder.$file);
    435. 

  435. 		elseif (@file_exists($file_uri.$name.'/'.$file) || (defined('_PS_HOST_MODE_') && @file_exists($file_uri_host_mode.$name.'/'.$file)))
    436. 

  436. 			return Media::getCSSPath($folder.$name.'/'.$file);
    437. 

  437. 		else
    438. 

  438. 			return false;
    439. 

  439. 	}
    440. 

  440. 

  441. 	/**
    442. 

  442. 	* Combine Compress and Cache CSS (ccc) calls
    443. 

  443. 	*
    444. 

  444. 	* @param array css_files
    445. 

  445. 	* @return array processed css_files
    446. 

  446. 	*/
    447. 

  447. 	public static function cccCss($css_files)
    448. 

  448. 	{
    449. 

  449. 		//inits
    450. 

  450. 		$css_files_by_media = array();
    451. 

  451. 		$external_css_files = array();
    452. 

  452. 		$compressed_css_files = array();
    453. 

  453. 		$compressed_css_files_not_found = array();
    454. 

  454. 		$compressed_css_files_infos = array();
    455. 

  455. 		$protocol_link = Tools::getCurrentUrlProtocolPrefix();
    456. 

  456. 		$cache_path = _PS_THEME_DIR_.'cache/';
    457. 

  457. 

  458. 		// group css files by media
    459. 

  459. 		foreach ($css_files as $filename => $media)
    460. 

  460. 		{
    461. 

  461. 			if (!array_key_exists($media, $css_files_by_media))
    462. 

  462. 				$css_files_by_media[$media] = array();
    463. 

  463. 

  464. 			$infos = array();
    465. 

  465. 			$infos['uri'] = $filename;
    466. 

  466. 			$url_data = parse_url($filename);
    467. 

  467. 

  468. 			if(array_key_exists('host', $url_data))
    469. 

  469. 			{
    470. 

  470. 				$external_css_files[$filename] = $media;
    471. 

  471. 				continue;
    472. 

  472. 			}
    473. 

  473. 

  474. 			$infos['path'] = _PS_ROOT_DIR_.Tools::str_replace_once(__PS_BASE_URI__, '/', $url_data['path']);
    475. 

  475. 

  476. 			if (!@filemtime($infos['path']))
    477. 

  477. 				$infos['path'] = _PS_CORE_DIR_.Tools::str_replace_once(__PS_BASE_URI__, '/', $url_data['path']);
    478. 

  478. 

  479. 			$css_files_by_media[$media]['files'][] = $infos;
    480. 

  480. 			if (!array_key_exists('date', $css_files_by_media[$media]))
    481. 

  481. 				$css_files_by_media[$media]['date'] = 0;
    482. 

  482. 			$css_files_by_media[$media]['date'] = max(
    483. 

  483. 				file_exists($infos['path']) ? @filemtime($infos['path']) : 0,
    484. 

  484. 				$css_files_by_media[$media]['date']
    485. 

  485. 			);
    486. 

  486. 

  487. 			if (!array_key_exists($media, $compressed_css_files_infos))
    488. 

  488. 				$compressed_css_files_infos[$media] = array('key' => '');
    489. 

  489. 			$compressed_css_files_infos[$media]['key'] .= $filename;
    490. 

  490. 		}
    491. 

  491. 

  492. 		// get compressed css file infos
    493. 

  493. 		$version = (int)Configuration::get('PS_CCCCSS_VERSION');
    494. 

  494. 		foreach ($compressed_css_files_infos as $media => &$info)
    495. 

  495. 		{
    496. 

  496. 			$key = md5($info['key'].$protocol_link);
    497. 

  497. 			$filename = $cache_path.'v_'.$version.'_'.$key.'_'.$media.'.css';
    498. 

  498. 

  499. 			$info = array(
    500. 

  500. 				'key' => $key,
    501. 

  501. 				'date' => file_exists($filename) ? @filemtime($filename) : 0
    502. 

  502. 			);
    503. 

  503. 		}
    504. 

  504. 

  505. 		foreach ($css_files_by_media as $media => $media_infos)
    506. 

  506. 		{
    507. 

  507. 			if ($media_infos['date'] > $compressed_css_files_infos[$media]['date'])
    508. 

  508. 			{
    509. 

  509. 				if ($compressed_css_files_infos[$media]['date'])
    510. 

  510. 				{
    511. 

  511. 					Configuration::updateValue('PS_CCCCSS_VERSION', ++$version);
    512. 

  512. 					break;
    513. 

  513. 				}
    514. 

  514. 			}
    515. 

  515. 		}
    516. 

  516. 

  517. 		// aggregate and compress css files content, write new caches files
    518. 

  518. 		$import_url = array();
    519. 

  519. 		foreach ($css_files_by_media as $media => $media_infos)
    520. 

  520. 		{
    521. 

  521. 			$cache_filename = $cache_path.'v_'.$version.'_'.$compressed_css_files_infos[$media]['key'].'_'.$media.'.css';
    522. 

  522. 			if ($media_infos['date'] > $compressed_css_files_infos[$media]['date'])
    523. 

  523. 			{
    524. 

  524. 				$cache_filename = $cache_path.'v_'.$version.'_'.$compressed_css_files_infos[$media]['key'].'_'.$media.'.css';
    525. 

  525. 				$compressed_css_files[$media] = '';
    526. 

  526. 				foreach ($media_infos['files'] as $file_infos)
    527. 

  527. 				{
    528. 

  528. 					if (file_exists($file_infos['path']))
    529. 

  529. 						$compressed_css_files[$media] .= Media::minifyCSS(file_get_contents($file_infos['path']), $file_infos['uri'], $import_url);
    530. 

  530. 					else
    531. 

  531. 						$compressed_css_files_not_found[] = $file_infos['path'];
    532. 

  532. 				}
    533. 

  533. 				if (!empty($compressed_css_files_not_found))
    534. 

  534. 					$content = '/* WARNING ! file(s) not found : "'.
    535. 

  535. 						implode(',', $compressed_css_files_not_found).
    536. 

  536. 						'" */'."\n".$compressed_css_files[$media];
    537. 

  537. 				else
    538. 

  538. 					$content = $compressed_css_files[$media];
    539. 

  539. 

  540. 				$content = '@charset "UTF-8";'."\n".$content;
    541. 

  541. 				$content = implode('', $import_url).$content;
    542. 

  542. 				file_put_contents($cache_filename, $content);
    543. 

  543. 				chmod($cache_filename, 0777);
    544. 

  544. 			}
    545. 

  545. 			$compressed_css_files[$media] = $cache_filename;
    546. 

  546. 		}
    547. 

  547. 

  548. 		// rebuild the original css_files array
    549. 

  549. 		$css_files = array();
    550. 

  550. 		foreach ($compressed_css_files as $media => $filename)
    551. 

  551. 		{
    552. 

  552. 			$url = str_replace(_PS_THEME_DIR_, _THEMES_DIR_._THEME_NAME_.'/', $filename);
    553. 

  553. 			$css_files[$protocol_link.Tools::getMediaServer($url).$url] = $media;
    554. 

  554. 		}
    555. 

  555. 		return array_merge($external_css_files, $css_files);
    556. 

  556. 	}
    557. 

  557. 

  558. 	public static function getBackTrackLimit()
    559. 

  559. 	{
    560. 

  560. 		static $limit = null;
    561. 

  561. 		if ($limit === null)
    562. 

  562. 		{
    563. 

  563. 			$limit = @ini_get('pcre.backtrack_limit');
    564. 

  564. 			if (!$limit)
    565. 

  565. 				$limit = -1;
    566. 

  566. 		}
    567. 

  567. 

  568. 		return $limit;
    569. 

  569. 	}
    570. 

  570. 

  571. 	/**
    572. 

  572. 	* Combine Compress and Cache (ccc) JS calls
    573. 

  573. 	*
    574. 

  574. 	* @param array js_files
    575. 

  575. 	* @return array processed js_files
    576. 

  576. 	*/
    577. 

  577. 	public static function cccJS($js_files)
    578. 

  578. 	{
    579. 

  579. 		//inits
    580. 

  580. 		$compressed_js_files_not_found = array();
    581. 

  581. 		$js_files_infos = array();
    582. 

  582. 		$js_files_date = 0;
    583. 

  583. 		$compressed_js_filename = '';
    584. 

  584. 		$js_external_files = array();
    585. 

  585. 		$protocol_link = Tools::getCurrentUrlProtocolPrefix();
    586. 

  586. 		$cache_path = _PS_THEME_DIR_.'cache/';
    587. 

  587. 

  588. 		// get js files infos
    589. 

  589. 		foreach ($js_files as $filename)
    590. 

  590. 		{
    591. 

  591. 			if (Validate::isAbsoluteUrl($filename))
    592. 

  592. 				$js_external_files[] = $filename;
    593. 

  593. 			else
    594. 

  594. 			{
    595. 

  595. 				$infos = array();
    596. 

  596. 				$infos['uri'] = $filename;
    597. 

  597. 				$url_data = parse_url($filename);
    598. 

  598. 				$infos['path'] = _PS_ROOT_DIR_.Tools::str_replace_once(__PS_BASE_URI__, '/', $url_data['path']);
    599. 

  599. 

  600. 				if (!@filemtime($infos['path']))
    601. 

  601. 					$infos['path'] = _PS_CORE_DIR_.Tools::str_replace_once(__PS_BASE_URI__, '/', $url_data['path']);
    602. 

  602. 

  603. 				$js_files_infos[] = $infos;
    604. 

  604. 

  605. 				$js_files_date = max(
    606. 

  606. 					file_exists($infos['path']) ? @filemtime($infos['path']) : 0,
    607. 

  607. 					$js_files_date
    608. 

  608. 				);
    609. 

  609. 				$compressed_js_filename .= $filename;
    610. 

  610. 			}
    611. 

  611. 		}
    612. 

  612. 

  613. 		// get compressed js file infos
    614. 

  614. 		$compressed_js_filename = md5($compressed_js_filename);
    615. 

  615. 		$version = (int)Configuration::get('PS_CCCJS_VERSION');
    616. 

  616. 		$compressed_js_path = $cache_path.'v_'.$version.'_'.$compressed_js_filename.'.js';
    617. 

  617. 		$compressed_js_file_date = file_exists($compressed_js_path) ? @filemtime($compressed_js_path) : 0;
    618. 

  618. 

  619. 		// aggregate and compress js files content, write new caches files
    620. 

  620. 		if ($js_files_date > $compressed_js_file_date)
    621. 

  621. 		{
    622. 

  622. 			if ($compressed_js_file_date)
    623. 

  623. 				Configuration::updateValue('PS_CCCJS_VERSION', ++$version);
    624. 

  624. 

  625. 			$compressed_js_path = $cache_path.'v_'.$version.'_'.$compressed_js_filename.'.js';
    626. 

  626. 			$content = '';
    627. 

  627. 			foreach ($js_files_infos as $file_infos)
    628. 

  628. 			{
    629. 

  629. 				if (file_exists($file_infos['path']))
    630. 

  630. 				{
    631. 

  631. 					$tmp_content = file_get_contents($file_infos['path']);
    632. 

  632. 					if (preg_match('@\.(min|pack)\.[^/]+$@', $file_infos['path'], $matches))
    633. 

  633. 						$content .= preg_replace('/\/\/@\ssourceMappingURL\=[_a-zA-Z0-9-.]+\.'.$matches[1].'\.map\s+/', '', $tmp_content);
    634. 

  634. 					else
    635. 

  635. 						$content .= Media::packJS($tmp_content);
    636. 

  636. 				}
    637. 

  637. 				else
    638. 

  638. 					$compressed_js_files_not_found[] = $file_infos['path'];
    639. 

  639. 			}
    640. 

  640. 

  641. 			if (!empty($compressed_js_files_not_found))
    642. 

  642. 				$content = '/* WARNING ! file(s) not found : "'.
    643. 

  643. 					implode(',', $compressed_js_files_not_found).
    644. 

  644. 					'" */'."\n".$content;
    645. 

  645. 

  646. 			file_put_contents($compressed_js_path, $content);
    647. 

  647. 			chmod($compressed_js_path, 0777);
    648. 

  648. 		}
    649. 

  649. 

  650. 		// rebuild the original js_files array
    651. 

  651. 		if (strpos($compressed_js_path, _PS_ROOT_DIR_) !== false)
    652. 

  652. 			$url = str_replace(_PS_ROOT_DIR_.'/', __PS_BASE_URI__, $compressed_js_path);
    653. 

  653. 

  654. 		if (strpos($compressed_js_path, _PS_CORE_DIR_) !== false)
    655. 

  655. 			$url = str_replace(_PS_CORE_DIR_.'/', __PS_BASE_URI__, $compressed_js_path);
    656. 

  656. 

  657. 		return array_merge(array($protocol_link.Tools::getMediaServer($url).$url), $js_external_files);
    658. 

  658. 	}
    659. 

  659. 

  660. 	public static function clearCache()
    661. 

  661. 	{
    662. 

  662. 		foreach (array(_PS_THEME_DIR_.'cache') as $dir)
    663. 

  663. 			if (file_exists($dir))
    664. 

  664. 				foreach (scandir($dir) as $file)
    665. 

  665. 					if ($file[0] != '.' && $file != 'index.php')
    666. 

  666. 						Tools::deleteFile($dir.DIRECTORY_SEPARATOR.$file, array('index.php'));
    667. 

  667. 

  668. 		$version = (int)Configuration::get('PS_CCCJS_VERSION');
    669. 

  669. 		Configuration::updateValue('PS_CCCJS_VERSION', ++$version);
    670. 

  670. 		$version = (int)Configuration::get('PS_CCCCSS_VERSION');
    671. 

  671. 		Configuration::updateValue('PS_CCCCSS_VERSION', ++$version);
    672. 

  672. 	}
    673. 

  673. 

  674. 	public static function getJsDef()
    675. 

  675. 	{
    676. 

  676. 		ksort(Media::$js_def);
    677. 

  677. 		return Media::$js_def;
    678. 

  678. 	}
    679. 

  679. 

  680. 	public static function getInlineScript()
    681. 

  681. 	{
    682. 

  682. 		return Media::$inline_script;
    683. 

  683. 	}
    684. 

  684. 

  685. 	/**
    686. 

  686. 	 * Add a new javascript definition at bottom of page
    687. 

  687. 	 *
    688. 

  688. 	 * @param mixed $js_def
    689. 

  689. 	 * @return void
    690. 

  690. 	 */
    691. 

  691. 	public static function addJsDef($js_def)
    692. 

  692. 	{
    693. 

  693. 		if (is_array($js_def))
    694. 

  694. 			foreach ($js_def as $key => $js)
    695. 

  695. 					Media::$js_def[$key] = $js;
    696. 

  696. 		elseif ($js_def)
    697. 

  697. 			Media::$js_def[] = $js_def;
    698. 

  698. 	}
    699. 

  699. 

  700. 	/**
    701. 

  701. 	 * Add a new javascript definition from a capture at bottom of page
    702. 

  702. 	 *
    703. 

  703. 	 * @param mixed $js_def
    704. 

  704. 	 * @return void
    705. 

  705. 	 */
    706. 

  706. 	public static function addJsDefL($params, $content, $smarty = null, &$repeat = false)
    707. 

  707. 	{
    708. 

  708. 		if (!$repeat && isset($params) && Tools::strlen($content))
    709. 

  709. 		{
    710. 

  710. 			if (!is_array($params))
    711. 

  711. 				$params = (array)$params;
    712. 

  712. 

  713. 			foreach($params as $param)
    714. 

  714. 				Media::$js_def[$param] = $content;
    715. 

  715. 		}
    716. 

  716. 	}
    717. 

  717. 

  718. 	public static function deferInlineScripts($output)
    719. 

  719. 	{
    720. 

  720. 		/* Try to enqueue in js_files inline scripts with src but without conditionnal comments */
    721. 

  721. 		$dom = new DOMDocument();
    722. 

  722. 		libxml_use_internal_errors(true);
    723. 

  723. 		@$dom->loadHTML(($output));
    724. 

  724. 		libxml_use_internal_errors(false);
    725. 

  725. 		$scripts = $dom->getElementsByTagName('script');
    726. 

  726. 		if (is_object($scripts) && $scripts->length)
    727. 

  727. 			foreach ($scripts as $script)
    728. 

  728. 				if ($src = $script->getAttribute('src'))
    729. 

  729. 				{
    730. 

  730. 			  		if (substr($src, 0, 2) == '//')
    731. 

  731. 						$src = Tools::getCurrentUrlProtocolPrefix().substr($src, 2);
    732. 

  732. 

  733. 					$patterns = array(
    734. 

  734. 						'#code\.jquery\.com/jquery-([0-9\.]+)(\.min)*\.js$#Ui',
    735. 

  735. 						'#ajax\.googleapis\.com/ajax/libs/jquery/([0-9\.]+)/jquery(\.min)*\.js$#Ui',
    736. 

  736. 						'#ajax\.aspnetcdn\.com/ajax/jquery/jquery-([0-9\.]+)(\.min)*\.js$#Ui',
    737. 

  737. 						'#cdnjs\.cloudflare\.com/ajax/libs/jquery/([0-9\.]+)/jquery(\.min)*\.js$#Ui',
    738. 

  738. 						'#/jquery-([0-9\.]+)(\.min)*\.js$#Ui'
    739. 

  739. 					);
    740. 

  740. 

  741. 					foreach($patterns as $pattern)
    742. 

  742. 					{
    743. 

  743. 						$matches = array();
    744. 

  744. 						if (preg_match($pattern, $src, $matches))
    745. 

  745. 						{
    746. 

  746. 							$minifier = $version = false;
    747. 

  747. 							if (isset($matches[2]) && $matches[2])
    748. 

  748. 								$minifier = (bool)$matches[2];
    749. 

  749. 							if (isset($matches[1]) && $matches[1])
    750. 

  750. 								$version = $matches[1];
    751. 

  751. 							if ($version)
    752. 

  752. 							{
    753. 

  753. 								if ($version != _PS_JQUERY_VERSION_)
    754. 

  754. 									Context::getContext()->controller->addJquery($version, null, $minifier);
    755. 

  755. 								array_push(Media::$inline_script_src, $src);
    756. 

  756. 							}
    757. 

  757. 						}
    758. 

  758. 

  759. 					}
    760. 

  760. 					if (!in_array($src, Media::$inline_script_src))
    761. 

  761. 						Context::getContext()->controller->addJS($src);
    762. 

  762. 				}
    763. 

  763. 		$output = preg_replace_callback('/<script[^>]*>(.*)<\s*\/script\s*[^>]*>/Uims', array('Media', 'deferScript'), $output);
    764. 

  764. 		return $output;
    765. 

  765. 	}
    766. 

  766. 

  767. 	public static function deferScript($matches)
    768. 

  768. 	{
    769. 

  769. 		if (!is_array($matches))
    770. 

  770. 			return false;
    771. 

  771. 		$inline = '';
    772. 

  772. 

  773. 		if (isset($matches[0]))
    774. 

  774. 			$original = trim($matches[0]);
    775. 

  775. 

  776. 		if (isset($matches[1]))
    777. 

  777. 			$inline = trim($matches[1]);
    778. 

  778. 

  779. 		/* This is an inline script, add its content to inline scripts stack then remove it from content */
    780. 

  780. 		if (!empty($inline) && preg_match('/<\s*[\/]script[^>]*>/ims', $original) !== false && Media::$inline_script[] = $inline)
    781. 

  781. 			return '';
    782. 

  782. 

  783. 		/* This is an external script, if it already belongs to js_files then remove it from content */
    784. 

  784. 		preg_match('/src\s*=\s*["\']?([^"\']*)[^>]/ims', $original, $results);
    785. 

  785. 		if (array_key_exists(1, $results))
    786. 

  786. 		{
    787. 

  787. 			if (substr($results[1], 0, 2) == '//')
    788. 

  788. 			{
    789. 

  789. 				$protocol_link = Tools::getCurrentUrlProtocolPrefix();
    790. 

  790. 				$results[1] = $protocol_link.ltrim($results[1], '/');
    791. 

  791. 			}
    792. 

  792. 			if (in_array($results[1], Context::getContext()->controller->js_files) || in_array($results[1], Media::$inline_script_src))
    793. 

  793. 				return '';
    794. 

  794. 		}
    795. 

  795. 

  796. 		/* return original string because no match was found */
    797. 

  797. 		return $original;
    798. 

  798. 	}
    799. 

  799. }
    800. 

  800.