Esempio n. 1
0
 /**
  * Special compilation for template.css file when development mode is on
  * @param $path
  * @return bool
  */
 public static function divide($path)
 {
     //check system
     self::requirement();
     $parser = new Less_Parser();
     $app = JFactory::getApplication();
     $doc = JFactory::getDocument();
     $tpl = T3_TEMPLATE;
     $theme = $app->getTemplate(true)->params->get('theme');
     $is_rtl = $doc->direction == 'rtl' && strpos($path, 'rtl/') === false;
     $subdir = ($is_rtl ? 'rtl/' : '') . ($theme ? $theme . '/' : '');
     $topath = T3_DEV_FOLDER . '/' . $subdir;
     $tofile = null;
     $root = JUri::root(true);
     //pattern
     $rimport = '@^\\s*\\@import\\s+"([^"]*)"\\s*;@im';
     $rvarscheck = '@(base|base-bs3|bootstrap|' . preg_quote($tpl) . ')/less/(vars|variables|mixins)\\.less@';
     $rexcludepath = '@(base|base-bs3|bootstrap|' . preg_quote($tpl) . ')/less/@';
     $rimportvars = '@^\\s*\\@import\\s+".*(variables-custom|variables|vars|mixins)\\.less"\\s*;@im';
     $rsplitbegin = '@^\\s*\\#';
     $rsplitend = '[^\\s]*?\\s*{\\s*[\\r\\n]*\\s*content:\\s*"([^"]*)";\\s*[\\r\\n]*\\s*}@im';
     $rswitchrtl = '@/less/(themes/[^/]*/)?@';
     $kfilepath = 'less-file-path';
     $kvarsep = 'less-content-separator';
     $krtlsep = 'rtl-less-content';
     if ($topath) {
         if (!is_dir(JPATH_ROOT . '/' . $topath)) {
             JFolder::create(JPATH_ROOT . '/' . $topath);
         }
     }
     // check path
     $realpath = realpath(JPATH_ROOT . '/' . $path);
     if (!is_file($realpath)) {
         return;
     }
     // get file content
     $content = JFile::read($realpath);
     //remove vars.less
     if (preg_match($rexcludepath, $path)) {
         $content = preg_replace($rimportvars, '', $content);
     }
     // check and add theme less if not is theme less
     if ($theme && strpos($path, 'themes/') === false) {
         $themepath = 'themes/' . $theme . '/' . basename($path);
         if (is_file(T3_TEMPLATE_PATH . '/less/' . $themepath)) {
             $content = $content . "\n@import \"{$themepath}\"; \n\n";
         }
     }
     // split into array, separated by the import
     $split_contents = preg_split($rimport, $content, -1, PREG_SPLIT_DELIM_CAPTURE);
     //check if we need to rebuild
     $rebuild = false;
     $vars_lm = $app->getUserState('vars_last_modified', 0);
     $file_lm = @filemtime(JPATH_ROOT . '/' . $path);
     //check for this file and rtl
     $cssfile = $topath . str_replace('/', '.', $path) . '.css';
     $css_lm = is_file(JPATH_ROOT . '/' . $cssfile) ? @filemtime(JPATH_ROOT . '/' . $cssfile) : -1;
     //rebuild?
     if ($css_lm < $vars_lm || $css_lm < $file_lm) {
         $rebuild = true;
     } else {
         $doc->addStylesheet($root . '/' . $cssfile);
     }
     //check for rebuild if this rtl overwrite file has just modified
     if (!$rebuild && $is_rtl) {
         $rtl_url = preg_replace('@/less/(themes/)?@', '/less/rtl/', $path);
         $rtl_lm = is_file(JPATH_ROOT . '/' . $rtl_url) ? @filemtime(JPATH_ROOT . '/' . $rtl_url) : 0;
         $rebuild = $css_lm < $rtl_lm;
     }
     if (!$rebuild) {
         $import = false;
         foreach ($split_contents as $chunk) {
             if ($import) {
                 $import = false;
                 $url = T3Path::cleanPath(dirname($path) . '/' . $chunk);
                 if (is_file(JPATH_ROOT . '/' . $url)) {
                     //$css_lm should be the same as templates.css
                     $file_lm = @filemtime(JPATH_ROOT . '/' . $url);
                     $theme_lm = -1;
                     $rtl_lm = -1;
                     $theme_rtl_lm = -1;
                     if ($theme && strpos($url, 'themes/') === false) {
                         $themepath = 'themes/' . $theme . '/' . basename($path);
                         if (is_file(T3_TEMPLATE_PATH . '/less/' . $themepath)) {
                             $theme_lm = @filemtime(T3_TEMPLATE_PATH . '/less/' . $themepath);
                         }
                         if ($is_rtl) {
                             $rtlthemepath = preg_replace($rswitchrtl, '/less/rtl/' . $theme . '/', $url);
                             if (is_file(JPATH_ROOT . '/' . $rtlthemepath)) {
                                 $theme_rtl_lm = @filemtime(JPATH_ROOT . '/' . $rtlthemepath);
                             }
                         }
                     }
                     if ($is_rtl) {
                         $rtl_url = preg_replace('@/less/(themes/)?@', '/less/rtl/', $url);
                         if (is_file(JPATH_ROOT . '/' . $rtl_url)) {
                             $rtl_lm = @filemtime(JPATH_ROOT . '/' . $rtl_url);
                         }
                     }
                     if (!is_file(JPATH_ROOT . '/' . $cssfile) || $css_lm < $vars_lm || $css_lm < $file_lm || $css_lm < $theme_lm || $css_lm < $rtl_lm || $css_lm < $theme_rtl_lm) {
                         $rebuild = true;
                         // rebuild for sure
                         break;
                         //no need further check
                     } else {
                         $doc->addStylesheet($root . '/' . $topath . str_replace('/', '.', $url) . '.css');
                     }
                 }
             } else {
                 $import = true;
             }
         }
     }
     // so, no need to rebuild?
     if (!$rebuild) {
         // add RTL css if needed
         if ($is_rtl) {
             $cssfile = $topath . str_replace('/', '.', str_replace('.less', '-rtl.less', $path)) . '.css';
             if (is_file(JPATH_ROOT . '/' . $cssfile)) {
                 $doc->addStylesheet($root . '/' . $cssfile);
             }
         }
         return false;
     }
     // variables & mixin
     $vars = self::getVars();
     $output = '';
     $importdirs = array();
     // iterate to each chunk and add separator mark
     $import = false;
     foreach ($split_contents as $chunk) {
         if ($import) {
             $import = false;
             $url = T3Path::cleanPath(dirname($path) . '/' . $chunk);
             // ignore vars.less and variables.less if they are in template folder
             // cause there may have other css less file with the same name (eg. font awesome)
             if (preg_match($rvarscheck, $url)) {
                 continue;
             }
             // remember this path when lookup for import
             $importdirs[dirname(JPATH_ROOT . '/' . $url)] = $root . '/' . dirname($url) . '/';
             $output .= "#{$kfilepath}{content: \"{$url}\";}\n@import \"{$chunk}\";\n\n";
             // check and add theme less
             if ($theme && strpos($url, 'themes/') === false) {
                 $theme_rel = 'themes/' . $theme . '/' . basename($url);
                 $theme_path = T3_TEMPLATE_PATH . '/less/' . $theme_rel;
                 if (is_file($theme_path)) {
                     $importdirs[dirname($theme_path)] = T3_TEMPLATE_URL . dirname($theme_rel) . '/';
                     $output .= "#{$kfilepath}{content: \"" . ('templates/' . T3_TEMPLATE . '/less/' . $theme_rel) . "\";}\n@import \"{$theme_rel}\";\n\n";
                 }
             }
         } else {
             $import = true;
             $chunk = trim($chunk);
             if ($chunk) {
                 $output .= "#{$kfilepath}{content: \"{$path}\";}\n{$chunk}\n\n";
             }
         }
     }
     // compile RTL overwrite when in RTL mode
     if ($is_rtl) {
         $rtlcontent = '';
         // import rtl override
         $import = false;
         foreach ($split_contents as $chunk) {
             if ($import) {
                 $import = false;
                 $url = T3Path::cleanPath(dirname($path) . '/' . $chunk);
                 // ignore vars.less and variables.less if they are in template folder
                 // cause there may have other css less file with the same name (eg. font awesome)
                 if (preg_match($rvarscheck, $url)) {
                     continue;
                 }
                 // process import file
                 $rtl_url = preg_replace('@/less/(themes/)?@', '/less/rtl/', $url);
                 // is there overwrite file?
                 if (!is_file(JPATH_ROOT . '/' . $rtl_url)) {
                     continue;
                 }
                 // process import file
                 $importcontent = JFile::read(JPATH_ROOT . '/' . $rtl_url);
                 if (preg_match($rexcludepath, $rtl_url)) {
                     $importcontent = preg_replace($rimportvars, '', $importcontent);
                 }
                 // remember this path when lookup for import
                 if (preg_match($rimport, $importcontent)) {
                     $importdirs[dirname(JPATH_ROOT . '/' . $rtl_url)] = $root . '/' . dirname($rtl_url) . '/';
                 }
                 $rtlcontent .= "\n{$importcontent}\n\n";
                 // rtl theme overwrite
                 if ($theme && strpos($url, 'themes/') === false) {
                     $rtlthemepath = preg_replace($rswitchrtl, '/less/rtl/' . $theme . '/', $url);
                     if (is_file(JPATH_ROOT . '/' . $rtlthemepath)) {
                         // process import file
                         $importcontent = JFile::read(JPATH_ROOT . '/' . $rtlthemepath);
                         $rtlcontent .= "\n{$importcontent}\n\n";
                         $importdirs[dirname(JPATH_ROOT . '/' . $rtlthemepath)] = $root . '/' . dirname($rtlthemepath) . '/';
                     }
                 }
             } else {
                 $import = true;
             }
         }
         // override in template for this file
         $rtlpath = preg_replace($rswitchrtl, '/less/rtl/', $path);
         if (is_file(JPATH_ROOT . '/' . $rtlpath)) {
             // process import file
             $importcontent = JFile::read(JPATH_ROOT . '/' . $rtlpath);
             $rtlcontent .= "\n{$importcontent}\n\n";
             $importdirs[dirname(JPATH_ROOT . '/' . $rtlpath)] = $root . '/' . dirname($rtlpath) . '/';
         }
         // rtl theme
         if ($theme) {
             $rtlthemepath = preg_replace($rswitchrtl, '/less/rtl/' . $theme . '/', $path);
             if (is_file(JPATH_ROOT . '/' . $rtlthemepath)) {
                 // process import file
                 $importcontent = JFile::read(JPATH_ROOT . '/' . $rtlthemepath);
                 $rtlcontent .= "\n{$importcontent}\n\n";
                 $importdirs[dirname(JPATH_ROOT . '/' . $rtlthemepath)] = $root . '/' . dirname($rtlthemepath) . '/';
             }
         }
         if ($rtlcontent) {
             //rtl content will be treat as a new file
             $rtlfile = str_replace('.less', '-rtl.less', $path);
             $output = $output . "\n#{$kfilepath}{content: \"{$rtlfile}\";}\n\n#{$krtlsep}{content: \"separator\";}\n\n{$rtlcontent}\n\n";
         }
     }
     // common place
     $importdirs[T3_TEMPLATE_PATH . '/less'] = T3_TEMPLATE_URL . '/less/';
     // myself
     $importdirs[dirname(JPATH_ROOT . '/' . $path)] = $root . '/' . dirname($path) . '/';
     // compile less to css using lessphp
     $parser->SetImportDirs($importdirs);
     $parser->SetFileInfo(JPATH_ROOT . '/' . $path, $root . '/' . dirname($path) . '/');
     $source = $vars . "\n#{$kvarsep}{content: \"separator\";}\n" . $output;
     $parser->parse($source);
     $output = $parser->getCss();
     //use cssjanus to transform the content
     if ($is_rtl) {
         if ($rtlcontent) {
             $output = preg_split($rsplitbegin . $krtlsep . $rsplitend, $output, -1, PREG_SPLIT_DELIM_CAPTURE);
             $rtlcontent = isset($output[2]) ? $output[2] : false;
             $output = $output[0];
         }
         T3::import('jacssjanus/ja.cssjanus');
         $output = JACSSJanus::transform($output, true);
         if ($rtlcontent) {
             $output = $output . "\n" . $rtlcontent;
         }
     }
     //update path and store to files
     $split_contents = preg_split($rsplitbegin . $kfilepath . $rsplitend, $output, -1, PREG_SPLIT_DELIM_CAPTURE);
     $file_contents = array();
     $file = $path;
     //default
     $relpath = JURI::base(true) . '/' . dirname($file);
     $isfile = false;
     foreach ($split_contents as $chunk) {
         if ($isfile) {
             $isfile = false;
             $file = $chunk;
             $relpath = $topath ? T3Path::relativePath($topath, dirname($file)) : JURI::base(true) . '/' . dirname($file);
         } else {
             $file_contents[$file] = (isset($file_contents[$file]) ? $file_contents[$file] : '') . "\n" . ($file ? T3Path::updateUrl($chunk, $relpath) : $chunk) . "\n\n";
             $isfile = true;
         }
     }
     if (!empty($file_contents)) {
         // remove the duplicate clearfix at the beginning
         $split_contents = preg_split($rsplitbegin . $kvarsep . $rsplitend, reset($file_contents));
         // ignore first one, it's clearfix
         if (is_array($split_contents)) {
             array_shift($split_contents);
         }
         $file_contents[key($file_contents)] = implode("\n", $split_contents);
         //output the file to content and add to document
         foreach ($file_contents as $file => $content) {
             $cssfile = $topath . str_replace('/', '.', $file) . '.css';
             JFile::write(JPATH_ROOT . '/' . $cssfile, $content);
             $doc->addStylesheet($root . '/' . $cssfile);
         }
     }
 }