From 2a760de2896a02af98caa013537166b5d3fcc717 Mon Sep 17 00:00:00 2001 From: Michael Save Date: Wed, 14 Mar 2012 21:44:41 +1100 Subject: Multiple changes. Added $config['minify_js'] to compress Javascript with minify Added $config['additional_javascript_compile'] to put all Javascript files/addons into one file. Moved delete/report post controls to a shared template. Ability to have different Javascript files between boards. --- inc/contrib/minify/Minify/ImportProcessor.php | 216 ++++++++++++++++++++++++++ 1 file changed, 216 insertions(+) create mode 100755 inc/contrib/minify/Minify/ImportProcessor.php (limited to 'inc/contrib/minify/Minify/ImportProcessor.php') diff --git a/inc/contrib/minify/Minify/ImportProcessor.php b/inc/contrib/minify/Minify/ImportProcessor.php new file mode 100755 index 00000000..bdfae547 --- /dev/null +++ b/inc/contrib/minify/Minify/ImportProcessor.php @@ -0,0 +1,216 @@ + + * @author Simon Schick + */ +class Minify_ImportProcessor { + + public static $filesIncluded = array(); + + public static function process($file) + { + self::$filesIncluded = array(); + self::$_isCss = (strtolower(substr($file, -4)) === '.css'); + $obj = new Minify_ImportProcessor(dirname($file)); + return $obj->_getContent($file); + } + + // allows callback funcs to know the current directory + private $_currentDir = null; + + // allows callback funcs to know the directory of the file that inherits this one + private $_previewsDir = null; + + // allows _importCB to write the fetched content back to the obj + private $_importedContent = ''; + + private static $_isCss = null; + + /** + * @param String $currentDir + * @param String $previewsDir Is only used internally + */ + private function __construct($currentDir, $previewsDir = "") + { + $this->_currentDir = $currentDir; + $this->_previewsDir = $previewsDir; + } + + private function _getContent($file, $is_imported = false) + { + $file = realpath($file); + if (! $file + || in_array($file, self::$filesIncluded) + || false === ($content = @file_get_contents($file)) + ) { + // file missing, already included, or failed read + return ''; + } + self::$filesIncluded[] = realpath($file); + $this->_currentDir = dirname($file); + + // remove UTF-8 BOM if present + if (pack("CCC",0xef,0xbb,0xbf) === substr($content, 0, 3)) { + $content = substr($content, 3); + } + // ensure uniform EOLs + $content = str_replace("\r\n", "\n", $content); + + // process @imports + $content = preg_replace_callback( + '/ + @import\\s+ + (?:url\\(\\s*)? # maybe url( + [\'"]? # maybe quote + (.*?) # 1 = URI + [\'"]? # maybe end quote + (?:\\s*\\))? # maybe ) + ([a-zA-Z,\\s]*)? # 2 = media list + ; # end token + /x' + ,array($this, '_importCB') + ,$content + ); + + // You only need to rework the import-path if the script is imported + if (self::$_isCss && $is_imported) { + // rewrite remaining relative URIs + $content = preg_replace_callback( + '/url\\(\\s*([^\\)\\s]+)\\s*\\)/' + ,array($this, '_urlCB') + ,$content + ); + } + + return $this->_importedContent . $content; + } + + private function _importCB($m) + { + $url = $m[1]; + $mediaList = preg_replace('/\\s+/', '', $m[2]); + + if (strpos($url, '://') > 0) { + // protocol, leave in place for CSS, comment for JS + return self::$_isCss + ? $m[0] + : "/* Minify_ImportProcessor will not include remote content */"; + } + if ('/' === $url[0]) { + // protocol-relative or root path + $url = ltrim($url, '/'); + $file = realpath($_SERVER['DOCUMENT_ROOT']) . DIRECTORY_SEPARATOR + . strtr($url, '/', DIRECTORY_SEPARATOR); + } else { + // relative to current path + $file = $this->_currentDir . DIRECTORY_SEPARATOR + . strtr($url, '/', DIRECTORY_SEPARATOR); + } + $obj = new Minify_ImportProcessor(dirname($file), $this->_currentDir); + $content = $obj->_getContent($file, true); + if ('' === $content) { + // failed. leave in place for CSS, comment for JS + return self::$_isCss + ? $m[0] + : "/* Minify_ImportProcessor could not fetch '{$file}' */"; + } + return (!self::$_isCss || preg_match('@(?:^$|\\ball\\b)@', $mediaList)) + ? $content + : "@media {$mediaList} {\n{$content}\n}\n"; + } + + private function _urlCB($m) + { + // $m[1] is either quoted or not + $quote = ($m[1][0] === "'" || $m[1][0] === '"') + ? $m[1][0] + : ''; + $url = ($quote === '') + ? $m[1] + : substr($m[1], 1, strlen($m[1]) - 2); + if ('/' !== $url[0]) { + if (strpos($url, '//') > 0) { + // probably starts with protocol, do not alter + } else { + // prepend path with current dir separator (OS-independent) + $path = $this->_currentDir + . DIRECTORY_SEPARATOR . strtr($url, '/', DIRECTORY_SEPARATOR); + // update the relative path by the directory of the file that imported this one + $url = self::getPathDiff(realpath($this->_previewsDir), $path); + } + } + return "url({$quote}{$url}{$quote})"; + } + + /** + * @param string $from + * @param string $to + * @param string $ps + * @return string + */ + private function getPathDiff($from, $to, $ps = DIRECTORY_SEPARATOR) + { + $realFrom = $this->truepath($from); + $realTo = $this->truepath($to); + + $arFrom = explode($ps, rtrim($realFrom, $ps)); + $arTo = explode($ps, rtrim($realTo, $ps)); + while (count($arFrom) && count($arTo) && ($arFrom[0] == $arTo[0])) + { + array_shift($arFrom); + array_shift($arTo); + } + return str_pad("", count($arFrom) * 3, '..' . $ps) . implode($ps, $arTo); + } + + /** + * This function is to replace PHP's extremely buggy realpath(). + * @param string $path The original path, can be relative etc. + * @return string The resolved path, it might not exist. + * @see http://stackoverflow.com/questions/4049856/replace-phps-realpath + */ + function truepath($path) + { + // whether $path is unix or not + $unipath = strlen($path) == 0 || $path{0} != '/'; + // attempts to detect if path is relative in which case, add cwd + if (strpos($path, ':') === false && $unipath) + $path = $this->_currentDir . DIRECTORY_SEPARATOR . $path; + + // resolve path parts (single dot, double dot and double delimiters) + $path = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $path); + $parts = array_filter(explode(DIRECTORY_SEPARATOR, $path), 'strlen'); + $absolutes = array(); + foreach ($parts as $part) { + if ('.' == $part) + continue; + if ('..' == $part) { + array_pop($absolutes); + } else { + $absolutes[] = $part; + } + } + $path = implode(DIRECTORY_SEPARATOR, $absolutes); + // resolve any symlinks + if (file_exists($path) && linkinfo($path) > 0) + $path = readlink($path); + // put initial separator that could have been lost + $path = !$unipath ? '/' . $path : $path; + return $path; + } +} -- cgit v1.3