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Diffstat (limited to 'wiki/lib/exe/css.php')
| -rw-r--r-- | wiki/lib/exe/css.php | 635 |
1 files changed, 0 insertions, 635 deletions
diff --git a/wiki/lib/exe/css.php b/wiki/lib/exe/css.php deleted file mode 100644 index 40eaf99..0000000 --- a/wiki/lib/exe/css.php +++ /dev/null @@ -1,635 +0,0 @@ -<?php -/** - * DokuWiki StyleSheet creator - * - * @license GPL 2 (http://www.gnu.org/licenses/gpl.html) - * @author Andreas Gohr <andi@splitbrain.org> - */ - -if(!defined('DOKU_INC')) define('DOKU_INC',dirname(__FILE__).'/../../'); -if(!defined('NOSESSION')) define('NOSESSION',true); // we do not use a session or authentication here (better caching) -if(!defined('DOKU_DISABLE_GZIP_OUTPUT')) define('DOKU_DISABLE_GZIP_OUTPUT',1); // we gzip ourself here -if(!defined('NL')) define('NL',"\n"); -require_once(DOKU_INC.'inc/init.php'); - -// Main (don't run when UNIT test) -if(!defined('SIMPLE_TEST')){ - header('Content-Type: text/css; charset=utf-8'); - css_out(); -} - - -// ---------------------- functions ------------------------------ - -/** - * Output all needed Styles - * - * @author Andreas Gohr <andi@splitbrain.org> - */ -function css_out(){ - global $conf; - global $lang; - global $config_cascade; - global $INPUT; - - if ($INPUT->str('s') == 'feed') { - $mediatypes = array('feed'); - $type = 'feed'; - } else { - $mediatypes = array('screen', 'all', 'print', 'speech'); - $type = ''; - } - - // decide from where to get the template - $tpl = trim(preg_replace('/[^\w-]+/','',$INPUT->str('t'))); - if(!$tpl) $tpl = $conf['template']; - - // load style.ini - $styleUtil = new \dokuwiki\StyleUtils(); - $styleini = $styleUtil->cssStyleini($tpl, $INPUT->bool('preview')); - - // cache influencers - $tplinc = tpl_incdir($tpl); - $cache_files = getConfigFiles('main'); - $cache_files[] = $tplinc.'style.ini'; - $cache_files[] = DOKU_CONF."tpl/$tpl/style.ini"; - $cache_files[] = __FILE__; - if($INPUT->bool('preview')) $cache_files[] = $conf['cachedir'].'/preview.ini'; - - // Array of needed files and their web locations, the latter ones - // are needed to fix relative paths in the stylesheets - $media_files = array(); - foreach($mediatypes as $mediatype) { - $files = array(); - - // load core styles - $files[DOKU_INC.'lib/styles/'.$mediatype.'.css'] = DOKU_BASE.'lib/styles/'; - - // load jQuery-UI theme - if ($mediatype == 'screen') { - $files[DOKU_INC.'lib/scripts/jquery/jquery-ui-theme/smoothness.css'] = DOKU_BASE.'lib/scripts/jquery/jquery-ui-theme/'; - } - // load plugin styles - $files = array_merge($files, css_pluginstyles($mediatype)); - // load template styles - if (isset($styleini['stylesheets'][$mediatype])) { - $files = array_merge($files, $styleini['stylesheets'][$mediatype]); - } - // load user styles - if(!empty($config_cascade['userstyle'][$mediatype])) { - foreach($config_cascade['userstyle'][$mediatype] as $userstyle) { - $files[$userstyle] = DOKU_BASE; - } - } - - // Let plugins decide to either put more styles here or to remove some - $media_files[$mediatype] = css_filewrapper($mediatype, $files); - $CSSEvt = new Doku_Event('CSS_STYLES_INCLUDED', $media_files[$mediatype]); - - // Make it preventable. - if ( $CSSEvt->advise_before() ) { - $cache_files = array_merge($cache_files, array_keys($media_files[$mediatype]['files'])); - } else { - // unset if prevented. Nothing will be printed for this mediatype. - unset($media_files[$mediatype]); - } - - // finish event. - $CSSEvt->advise_after(); - } - - // The generated script depends on some dynamic options - $cache = new cache('styles'.$_SERVER['HTTP_HOST'].$_SERVER['SERVER_PORT'].$INPUT->bool('preview').DOKU_BASE.$tpl.$type,'.css'); - $cache->_event = 'CSS_CACHE_USE'; - - // check cache age & handle conditional request - // This may exit if a cache can be used - $cache_ok = $cache->useCache(array('files' => $cache_files)); - http_cached($cache->cache, $cache_ok); - - // start output buffering - ob_start(); - - // Fire CSS_STYLES_INCLUDED for one last time to let the - // plugins decide whether to include the DW default styles. - // This can be done by preventing the Default. - $media_files['DW_DEFAULT'] = css_filewrapper('DW_DEFAULT'); - trigger_event('CSS_STYLES_INCLUDED', $media_files['DW_DEFAULT'], 'css_defaultstyles'); - - // build the stylesheet - foreach ($mediatypes as $mediatype) { - - // Check if there is a wrapper set for this type. - if ( !isset($media_files[$mediatype]) ) { - continue; - } - - $cssData = $media_files[$mediatype]; - - // Print the styles. - print NL; - if ( $cssData['encapsulate'] === true ) print $cssData['encapsulationPrefix'] . ' {'; - print '/* START '.$cssData['mediatype'].' styles */'.NL; - - // load files - foreach($cssData['files'] as $file => $location){ - $display = str_replace(fullpath(DOKU_INC), '', fullpath($file)); - print "\n/* XXXXXXXXX $display XXXXXXXXX */\n"; - print css_loadfile($file, $location); - } - - print NL; - if ( $cssData['encapsulate'] === true ) print '} /* /@media '; - else print '/*'; - print ' END '.$cssData['mediatype'].' styles */'.NL; - } - - // end output buffering and get contents - $css = ob_get_contents(); - ob_end_clean(); - - // strip any source maps - stripsourcemaps($css); - - // apply style replacements - $css = css_applystyle($css, $styleini['replacements']); - - // parse less - $css = css_parseless($css); - - // compress whitespace and comments - if($conf['compress']){ - $css = css_compress($css); - } - - // embed small images right into the stylesheet - if($conf['cssdatauri']){ - $base = preg_quote(DOKU_BASE,'#'); - $css = preg_replace_callback('#(url\([ \'"]*)('.$base.')(.*?(?:\.(png|gif)))#i','css_datauri',$css); - } - - http_cached_finish($cache->cache, $css); -} - -/** - * Uses phpless to parse LESS in our CSS - * - * most of this function is error handling to show a nice useful error when - * LESS compilation fails - * - * @param string $css - * @return string - */ -function css_parseless($css) { - global $conf; - - $less = new lessc(); - $less->importDir = array(DOKU_INC); - $less->setPreserveComments(!$conf['compress']); - - if (defined('DOKU_UNITTEST')){ - $less->importDir[] = TMP_DIR; - } - - try { - return $less->compile($css); - } catch(Exception $e) { - // get exception message - $msg = str_replace(array("\n", "\r", "'"), array(), $e->getMessage()); - - // try to use line number to find affected file - if(preg_match('/line: (\d+)$/', $msg, $m)){ - $msg = substr($msg, 0, -1* strlen($m[0])); //remove useless linenumber - $lno = $m[1]; - - // walk upwards to last include - $lines = explode("\n", $css); - for($i=$lno-1; $i>=0; $i--){ - if(preg_match('/\/(\* XXXXXXXXX )(.*?)( XXXXXXXXX \*)\//', $lines[$i], $m)){ - // we found it, add info to message - $msg .= ' in '.$m[2].' at line '.($lno-$i); - break; - } - } - } - - // something went wrong - $error = 'A fatal error occured during compilation of the CSS files. '. - 'If you recently installed a new plugin or template it '. - 'might be broken and you should try disabling it again. ['.$msg.']'; - - echo ".dokuwiki:before { - content: '$error'; - background-color: red; - display: block; - background-color: #fcc; - border-color: #ebb; - color: #000; - padding: 0.5em; - }"; - - exit; - } -} - -/** - * Does placeholder replacements in the style according to - * the ones defined in a templates style.ini file - * - * This also adds the ini defined placeholders as less variables - * (sans the surrounding __ and with a ini_ prefix) - * - * @author Andreas Gohr <andi@splitbrain.org> - * - * @param string $css - * @param array $replacements array(placeholder => value) - * @return string - */ -function css_applystyle($css, $replacements) { - // we convert ini replacements to LESS variable names - // and build a list of variable: value; pairs - $less = ''; - foreach((array) $replacements as $key => $value) { - $lkey = trim($key, '_'); - $lkey = '@ini_'.$lkey; - $less .= "$lkey: $value;\n"; - - $replacements[$key] = $lkey; - } - - // we now replace all old ini replacements with LESS variables - $css = strtr($css, $replacements); - - // now prepend the list of LESS variables as the very first thing - $css = $less.$css; - return $css; -} - -/** - * Wrapper for the files, content and mediatype for the event CSS_STYLES_INCLUDED - * - * @author Gerry Weißbach <gerry.w@gammaproduction.de> - * - * @param string $mediatype type ofthe current media files/content set - * @param array $files set of files that define the current mediatype - * @return array - */ -function css_filewrapper($mediatype, $files=array()){ - return array( - 'files' => $files, - 'mediatype' => $mediatype, - 'encapsulate' => $mediatype != 'all', - 'encapsulationPrefix' => '@media '.$mediatype - ); -} - -/** - * Prints the @media encapsulated default styles of DokuWiki - * - * @author Gerry Weißbach <gerry.w@gammaproduction.de> - * - * This function is being called by a CSS_STYLES_INCLUDED event - * The event can be distinguished by the mediatype which is: - * DW_DEFAULT - */ -function css_defaultstyles(){ - // print the default classes for interwiki links and file downloads - print '@media screen {'; - css_interwiki(); - css_filetypes(); - print '}'; -} - -/** - * Prints classes for interwikilinks - * - * Interwiki links have two classes: 'interwiki' and 'iw_$name>' where - * $name is the identifier given in the config. All Interwiki links get - * an default style with a default icon. If a special icon is available - * for an interwiki URL it is set in it's own class. Both classes can be - * overwritten in the template or userstyles. - * - * @author Andreas Gohr <andi@splitbrain.org> - */ -function css_interwiki(){ - - // default style - echo 'a.interwiki {'; - echo ' background: transparent url('.DOKU_BASE.'lib/images/interwiki.png) 0px 1px no-repeat;'; - echo ' padding: 1px 0px 1px 16px;'; - echo '}'; - - // additional styles when icon available - $iwlinks = getInterwiki(); - foreach(array_keys($iwlinks) as $iw){ - $class = preg_replace('/[^_\-a-z0-9]+/i','_',$iw); - if(file_exists(DOKU_INC.'lib/images/interwiki/'.$iw.'.png')){ - echo "a.iw_$class {"; - echo ' background-image: url('.DOKU_BASE.'lib/images/interwiki/'.$iw.'.png)'; - echo '}'; - }elseif(file_exists(DOKU_INC.'lib/images/interwiki/'.$iw.'.gif')){ - echo "a.iw_$class {"; - echo ' background-image: url('.DOKU_BASE.'lib/images/interwiki/'.$iw.'.gif)'; - echo '}'; - } - } -} - -/** - * Prints classes for file download links - * - * @author Andreas Gohr <andi@splitbrain.org> - */ -function css_filetypes(){ - - // default style - echo '.mediafile {'; - echo ' background: transparent url('.DOKU_BASE.'lib/images/fileicons/file.png) 0px 1px no-repeat;'; - echo ' padding-left: 18px;'; - echo ' padding-bottom: 1px;'; - echo '}'; - - // additional styles when icon available - // scan directory for all icons - $exts = array(); - if($dh = opendir(DOKU_INC.'lib/images/fileicons')){ - while(false !== ($file = readdir($dh))){ - if(preg_match('/([_\-a-z0-9]+(?:\.[_\-a-z0-9]+)*?)\.(png|gif)/i',$file,$match)){ - $ext = strtolower($match[1]); - $type = '.'.strtolower($match[2]); - if($ext!='file' && (!isset($exts[$ext]) || $type=='.png')){ - $exts[$ext] = $type; - } - } - } - closedir($dh); - } - foreach($exts as $ext=>$type){ - $class = preg_replace('/[^_\-a-z0-9]+/','_',$ext); - echo ".mf_$class {"; - echo ' background-image: url('.DOKU_BASE.'lib/images/fileicons/'.$ext.$type.')'; - echo '}'; - } -} - -/** - * Loads a given file and fixes relative URLs with the - * given location prefix - * - * @param string $file file system path - * @param string $location - * @return string - */ -function css_loadfile($file,$location=''){ - $css_file = new DokuCssFile($file); - return $css_file->load($location); -} - -/** - * Helper class to abstract loading of css/less files - * - * @author Chris Smith <chris@jalakai.co.uk> - */ -class DokuCssFile { - - protected $filepath; // file system path to the CSS/Less file - protected $location; // base url location of the CSS/Less file - protected $relative_path = null; - - public function __construct($file) { - $this->filepath = $file; - } - - /** - * Load the contents of the css/less file and adjust any relative paths/urls (relative to this file) to be - * relative to the dokuwiki root: the web root (DOKU_BASE) for most files; the file system root (DOKU_INC) - * for less files. - * - * @param string $location base url for this file - * @return string the CSS/Less contents of the file - */ - public function load($location='') { - if (!file_exists($this->filepath)) return ''; - - $css = io_readFile($this->filepath); - if (!$location) return $css; - - $this->location = $location; - - $css = preg_replace_callback('#(url\( *)([\'"]?)(.*?)(\2)( *\))#',array($this,'replacements'),$css); - $css = preg_replace_callback('#(@import\s+)([\'"])(.*?)(\2)#',array($this,'replacements'),$css); - - return $css; - } - - /** - * Get the relative file system path of this file, relative to dokuwiki's root folder, DOKU_INC - * - * @return string relative file system path - */ - protected function getRelativePath(){ - - if (is_null($this->relative_path)) { - $basedir = array(DOKU_INC); - - // during testing, files may be found relative to a second base dir, TMP_DIR - if (defined('DOKU_UNITTEST')) { - $basedir[] = realpath(TMP_DIR); - } - - $basedir = array_map('preg_quote_cb', $basedir); - $regex = '/^('.join('|',$basedir).')/'; - $this->relative_path = preg_replace($regex, '', dirname($this->filepath)); - } - - return $this->relative_path; - } - - /** - * preg_replace callback to adjust relative urls from relative to this file to relative - * to the appropriate dokuwiki root location as described in the code - * - * @param array see http://php.net/preg_replace_callback - * @return string see http://php.net/preg_replace_callback - */ - public function replacements($match) { - - // not a relative url? - no adjustment required - if (preg_match('#^(/|data:|https?://)#',$match[3])) { - return $match[0]; - } - // a less file import? - requires a file system location - else if (substr($match[3],-5) == '.less') { - if ($match[3]{0} != '/') { - $match[3] = $this->getRelativePath() . '/' . $match[3]; - } - } - // everything else requires a url adjustment - else { - $match[3] = $this->location . $match[3]; - } - - return join('',array_slice($match,1)); - } -} - -/** - * Convert local image URLs to data URLs if the filesize is small - * - * Callback for preg_replace_callback - * - * @param array $match - * @return string - */ -function css_datauri($match){ - global $conf; - - $pre = unslash($match[1]); - $base = unslash($match[2]); - $url = unslash($match[3]); - $ext = unslash($match[4]); - - $local = DOKU_INC.$url; - $size = @filesize($local); - if($size && $size < $conf['cssdatauri']){ - $data = base64_encode(file_get_contents($local)); - } - if (!empty($data)){ - $url = 'data:image/'.$ext.';base64,'.$data; - }else{ - $url = $base.$url; - } - return $pre.$url; -} - - -/** - * Returns a list of possible Plugin Styles (no existance check here) - * - * @author Andreas Gohr <andi@splitbrain.org> - * - * @param string $mediatype - * @return array - */ -function css_pluginstyles($mediatype='screen'){ - $list = array(); - $plugins = plugin_list(); - foreach ($plugins as $p){ - $list[DOKU_PLUGIN."$p/$mediatype.css"] = DOKU_BASE."lib/plugins/$p/"; - $list[DOKU_PLUGIN."$p/$mediatype.less"] = DOKU_BASE."lib/plugins/$p/"; - // alternative for screen.css - if ($mediatype=='screen') { - $list[DOKU_PLUGIN."$p/style.css"] = DOKU_BASE."lib/plugins/$p/"; - $list[DOKU_PLUGIN."$p/style.less"] = DOKU_BASE."lib/plugins/$p/"; - } - } - return $list; -} - -/** - * Very simple CSS optimizer - * - * @author Andreas Gohr <andi@splitbrain.org> - * - * @param string $css - * @return string - */ -function css_compress($css){ - //strip comments through a callback - $css = preg_replace_callback('#(/\*)(.*?)(\*/)#s','css_comment_cb',$css); - - //strip (incorrect but common) one line comments - $css = preg_replace_callback('/^.*\/\/.*$/m','css_onelinecomment_cb',$css); - - // strip whitespaces - $css = preg_replace('![\r\n\t ]+!',' ',$css); - $css = preg_replace('/ ?([;,{}\/]) ?/','\\1',$css); - $css = preg_replace('/ ?: /',':',$css); - - // number compression - $css = preg_replace('/([: ])0+(\.\d+?)0*((?:pt|pc|in|mm|cm|em|ex|px)\b|%)(?=[^\{]*[;\}])/', '$1$2$3', $css); // "0.1em" to ".1em", "1.10em" to "1.1em" - $css = preg_replace('/([: ])\.(0)+((?:pt|pc|in|mm|cm|em|ex|px)\b|%)(?=[^\{]*[;\}])/', '$1$2', $css); // ".0em" to "0" - $css = preg_replace('/([: ]0)0*(\.0*)?((?:pt|pc|in|mm|cm|em|ex|px)(?=[^\{]*[;\}])\b|%)/', '$1', $css); // "0.0em" to "0" - $css = preg_replace('/([: ]\d+)(\.0*)((?:pt|pc|in|mm|cm|em|ex|px)(?=[^\{]*[;\}])\b|%)/', '$1$3', $css); // "1.0em" to "1em" - $css = preg_replace('/([: ])0+(\d+|\d*\.\d+)((?:pt|pc|in|mm|cm|em|ex|px)(?=[^\{]*[;\}])\b|%)/', '$1$2$3', $css); // "001em" to "1em" - - // shorten attributes (1em 1em 1em 1em -> 1em) - $css = preg_replace('/(?<![\w\-])((?:margin|padding|border|border-(?:width|radius)):)([\w\.]+)( \2)+(?=[;\}]| !)/', '$1$2', $css); // "1em 1em 1em 1em" to "1em" - $css = preg_replace('/(?<![\w\-])((?:margin|padding|border|border-(?:width)):)([\w\.]+) ([\w\.]+) \2 \3(?=[;\}]| !)/', '$1$2 $3', $css); // "1em 2em 1em 2em" to "1em 2em" - - // shorten colors - $css = preg_replace("/#([0-9a-fA-F]{1})\\1([0-9a-fA-F]{1})\\2([0-9a-fA-F]{1})\\3(?=[^\{]*[;\}])/", "#\\1\\2\\3", $css); - - return $css; -} - -/** - * Callback for css_compress() - * - * Keeps short comments (< 5 chars) to maintain typical browser hacks - * - * @author Andreas Gohr <andi@splitbrain.org> - * - * @param array $matches - * @return string - */ -function css_comment_cb($matches){ - if(strlen($matches[2]) > 4) return ''; - return $matches[0]; -} - -/** - * Callback for css_compress() - * - * Strips one line comments but makes sure it will not destroy url() constructs with slashes - * - * @param array $matches - * @return string - */ -function css_onelinecomment_cb($matches) { - $line = $matches[0]; - - $i = 0; - $len = strlen($line); - - while ($i< $len){ - $nextcom = strpos($line, '//', $i); - $nexturl = stripos($line, 'url(', $i); - - if($nextcom === false) { - // no more comments, we're done - $i = $len; - break; - } - - // keep any quoted string that starts before a comment - $nextsqt = strpos($line, "'", $i); - $nextdqt = strpos($line, '"', $i); - if(min($nextsqt, $nextdqt) < $nextcom) { - $skipto = false; - if($nextsqt !== false && ($nextdqt === false || $nextsqt < $nextdqt)) { - $skipto = strpos($line, "'", $nextsqt+1) +1; - } else if ($nextdqt !== false) { - $skipto = strpos($line, '"', $nextdqt+1) +1; - } - - if($skipto !== false) { - $i = $skipto; - continue; - } - } - - if($nexturl === false || $nextcom < $nexturl) { - // no url anymore, strip comment and be done - $i = $nextcom; - break; - } - - // we have an upcoming url - $i = strpos($line, ')', $nexturl); - } - - return substr($line, 0, $i); -} - -//Setup VIM: ex: et ts=4 : |