Rename lib/dokuwiki to vendors/dokuwiki

1 files changed, 330 insertions, 0 deletions

diff --git a/vendors/dokuwiki/lib/exe/css.php b/vendors/dokuwiki/lib/exe/css.php
new file mode 100644
index 000000000..2cb383de0
--- /dev/null
+++ b/vendors/dokuwiki/lib/exe/css.php
@@ -0,0 +1,330 @@
+<?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
+require_once(DOKU_INC.'inc/init.php');
+require_once(DOKU_INC.'inc/pageutils.php');
+require_once(DOKU_INC.'inc/httputils.php');
+require_once(DOKU_INC.'inc/io.php');
+require_once(DOKU_INC.'inc/confutils.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;
+    $style = '';
+    if (isset($_REQUEST['s']) &&
+        in_array($_REQUEST['s'], array('all', 'print', 'feed'))) {
+        $style = $_REQUEST['s'];
+    }
+
+    $tpl = trim(preg_replace('/[^\w-]+/','',$_REQUEST['t']));
+    if($tpl){
+        $tplinc = DOKU_INC.'lib/tpl/'.$tpl.'/';
+        $tpldir = DOKU_BASE.'lib/tpl/'.$tpl.'/';
+    }else{
+        $tplinc = DOKU_TPLINC;
+        $tpldir = DOKU_TPL;
+    }
+
+    // The generated script depends on some dynamic options
+    $cache = getCacheName('styles'.$_SERVER['HTTP_HOST'].$_SERVER['SERVER_PORT'].DOKU_BASE.$tplinc.$style,'.css');
+
+    // load template styles
+    $tplstyles = array();
+    if(@file_exists($tplinc.'style.ini')){
+        $ini = parse_ini_file($tplinc.'style.ini',true);
+        foreach($ini['stylesheets'] as $file => $mode){
+            $tplstyles[$mode][$tplinc.$file] = $tpldir;
+        }
+    }
+
+    // Array of needed files and their web locations, the latter ones
+    // are needed to fix relative paths in the stylesheets
+    $files   = array();
+    //if (isset($tplstyles['all'])) $files = array_merge($files, $tplstyles['all']);
+    if(!empty($style)){
+        $files[DOKU_INC.'lib/styles/'.$style.'.css'] = DOKU_MEDIA.'lib/styles/';
+        // load plugin, template, user styles
+        $files = array_merge($files, css_pluginstyles($style));
+        if (isset($tplstyles[$style])) $files = array_merge($files, $tplstyles[$style]);
+        $files[DOKU_CONF.'user'.$style.'.css'] = DOKU_MEDIA;
+    }else{
+        $files[DOKU_INC.'lib/styles/style.css'] = DOKU_MEDIA.'lib/styles/';
+        // load plugin, template, user styles
+        $files = array_merge($files, css_pluginstyles('screen'));
+        if (isset($tplstyles['screen'])) $files = array_merge($files, $tplstyles['screen']);
+        if($lang['direction'] == 'rtl'){
+            if (isset($tplstyles['rtl'])) $files = array_merge($files, $tplstyles['rtl']);
+        }
+        $files[DOKU_CONF.'userstyle.css'] = DOKU_BASE;
+    }
+
+    // check cache age & handle conditional request
+    header('Cache-Control: public, max-age=3600');
+    header('Pragma: public');
+    if(css_cacheok($cache,array_keys($files),$tplinc)){
+        http_conditionalRequest(filemtime($cache));
+        if($conf['allowdebug']) header("X-CacheUsed: $cache");
+
+        // finally send output
+        if ($conf['gzip_output'] && http_gzip_valid($cache)) {
+          header('Vary: Accept-Encoding');
+          header('Content-Encoding: gzip');
+          readfile($cache.".gz");
+        } else {
+          if (!http_sendfile($cache)) readfile($cache);
+        }
+
+        return;
+    } else {
+        http_conditionalRequest(time());
+    }
+
+    // start output buffering and build the stylesheet
+    ob_start();
+
+    // print the default classes for interwiki links and file downloads
+    css_interwiki();
+    css_filetypes();
+
+    // load files
+    foreach($files as $file => $location){
+        print css_loadfile($file, $location);
+    }
+
+    // end output buffering and get contents
+    $css = ob_get_contents();
+    ob_end_clean();
+
+    // apply style replacements
+    $css = css_applystyle($css,$tplinc);
+
+    // compress whitespace and comments
+    if($conf['compress']){
+        $css = css_compress($css);
+    }
+
+    // save cache file
+    io_saveFile($cache,$css);
+    if(function_exists('gzopen')) io_saveFile("$cache.gz",$css);
+
+    // finally send output
+    if ($conf['gzip_output']) {
+      header('Vary: Accept-Encoding');
+      header('Content-Encoding: gzip');
+      print gzencode($css,9,FORCE_GZIP);
+    } else {
+      print $css;
+    }
+}
+
+/**
+ * Checks if a CSS Cache file still is valid
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function css_cacheok($cache,$files,$tplinc){
+    global $config_cascade;
+
+    if(isset($_REQUEST['purge'])) return false; //support purge request
+
+    $ctime = @filemtime($cache);
+    if(!$ctime) return false; //There is no cache
+
+    // some additional files to check
+    $files = array_merge($files, getConfigFiles('main'));
+    $files[] = $tplinc.'style.ini';
+    $files[] = __FILE__;
+
+    // now walk the files
+    foreach($files as $file){
+        if(@filemtime($file) > $ctime){
+            return false;
+        }
+    }
+    return true;
+}
+
+/**
+ * Does placeholder replacements in the style according to
+ * the ones defined in a templates style.ini file
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function css_applystyle($css,$tplinc){
+    if(@file_exists($tplinc.'style.ini')){
+        $ini = parse_ini_file($tplinc.'style.ini',true);
+        $css = strtr($css,$ini['replacements']);
+    }
+    return $css;
+}
+
+/**
+ * Prints classes for interwikilinks
+ *
+ * Interwiki links have two classes: 'interwiki' and 'iw_$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_MEDIA.'lib/images/interwiki.png) 0px 1px no-repeat;';
+    echo ' padding-left: 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_MEDIA.'lib/images/interwiki/'.$iw.'.png)';
+            echo '}';
+        }elseif(@file_exists(DOKU_INC.'lib/images/interwiki/'.$iw.'.gif')){
+            echo "a.iw_$class {";
+            echo '  background-image: url('.DOKU_MEDIA.'lib/images/interwiki/'.$iw.'.gif)';
+            echo '}';
+        }
+    }
+}
+
+/**
+ * Prints classes for file download links
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function css_filetypes(){
+
+    // default style
+    echo 'a.mediafile {';
+    echo ' background: transparent url('.DOKU_MEDIA.'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 "a.mf_$class {";
+        echo '  background-image: url('.DOKU_MEDIA.'lib/images/fileicons/'.$ext.$type.')';
+        echo '}';
+    }
+}
+
+/**
+ * Loads a given file and fixes relative URLs with the
+ * given location prefix
+ */
+function css_loadfile($file,$location=''){
+    if(!@file_exists($file)) return '';
+    $css = io_readFile($file);
+    if(!$location) return $css;
+
+    $css = preg_replace('#(url\([ \'"]*)((?!/|http://|https://| |\'|"))#','\\1'.$location.'\\3',$css);
+    return $css;
+}
+
+
+/**
+ * Returns a list of possible Plugin Styles (no existance check here)
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function css_pluginstyles($mode='screen'){
+    global $lang;
+    $list = array();
+    $plugins = plugin_list();
+    foreach ($plugins as $p){
+        if($mode == 'all'){
+            $list[DOKU_PLUGIN."$p/all.css"]  = DOKU_BASE."lib/plugins/$p/";
+        }elseif($mode == 'print'){
+            $list[DOKU_PLUGIN."$p/print.css"]  = DOKU_BASE."lib/plugins/$p/";
+        }elseif($mode == 'feed'){
+            $list[DOKU_PLUGIN."$p/feed.css"]  = DOKU_BASE."lib/plugins/$p/";
+        }else{
+            $list[DOKU_PLUGIN."$p/style.css"]  = DOKU_BASE."lib/plugins/$p/";
+            $list[DOKU_PLUGIN."$p/screen.css"] = DOKU_BASE."lib/plugins/$p/";
+        }
+        if($lang['direction'] == 'rtl'){
+            $list[DOKU_PLUGIN."$p/rtl.css"] = DOKU_BASE."lib/plugins/$p/";
+        }
+    }
+    return $list;
+}
+
+/**
+ * Very simple CSS optimizer
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function css_compress($css){
+    //strip comments through a callback
+    $css = preg_replace_callback('#(/\*)(.*?)(\*/)#s','css_comment_cb',$css);
+
+    //strip (incorrect but common) one line comments
+    $css = preg_replace('/(?<!:)\/\/.*$/m','',$css);
+
+    // strip whitespaces
+    $css = preg_replace('![\r\n\t ]+!',' ',$css);
+    $css = preg_replace('/ ?([:;,{}\/]) ?/','\\1',$css);
+
+    // 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 $css;
+}
+
+/**
+ * Callback for css_compress()
+ *
+ * Keeps short comments (< 5 chars) to maintain typical browser hacks
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function css_comment_cb($matches){
+    if(strlen($matches[2]) > 4) return '';
+    return $matches[0];
+}
+
+//Setup VIM: ex: et ts=4 enc=utf-8 :