ajout de la partie slam dans le dossier web
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809
ap23/web/doku/inc/parserutils.php
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809
ap23/web/doku/inc/parserutils.php
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<?php
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/**
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* Utilities for accessing the parser
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*
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* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
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* @author Harry Fuecks <hfuecks@gmail.com>
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* @author Andreas Gohr <andi@splitbrain.org>
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*/
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use dokuwiki\Cache\CacheInstructions;
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use dokuwiki\Cache\CacheRenderer;
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use dokuwiki\ChangeLog\PageChangeLog;
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use dokuwiki\Extension\PluginController;
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use dokuwiki\Extension\Event;
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use dokuwiki\Parsing\Parser;
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/**
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* How many pages shall be rendered for getting metadata during one request
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* at maximum? Note that this limit isn't respected when METADATA_RENDER_UNLIMITED
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* is passed as render parameter to p_get_metadata.
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*/
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if (!defined('P_GET_METADATA_RENDER_LIMIT')) define('P_GET_METADATA_RENDER_LIMIT', 5);
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/** Don't render metadata even if it is outdated or doesn't exist */
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define('METADATA_DONT_RENDER', 0);
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/**
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* Render metadata when the page is really newer or the metadata doesn't exist.
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* Uses just a simple check, but should work pretty well for loading simple
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* metadata values like the page title and avoids rendering a lot of pages in
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* one request. The P_GET_METADATA_RENDER_LIMIT is used in this mode.
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* Use this if it is unlikely that the metadata value you are requesting
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* does depend e.g. on pages that are included in the current page using
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* the include plugin (this is very likely the case for the page title, but
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* not for relation references).
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*/
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define('METADATA_RENDER_USING_SIMPLE_CACHE', 1);
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/**
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* Render metadata using the metadata cache logic. The P_GET_METADATA_RENDER_LIMIT
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* is used in this mode. Use this mode when you are requesting more complex
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* metadata. Although this will cause rendering more often it might actually have
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* the effect that less current metadata is returned as it is more likely than in
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* the simple cache mode that metadata needs to be rendered for all pages at once
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* which means that when the metadata for the page is requested that actually needs
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* to be updated the limit might have been reached already.
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*/
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define('METADATA_RENDER_USING_CACHE', 2);
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/**
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* Render metadata without limiting the number of pages for which metadata is
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* rendered. Use this mode with care, normally it should only be used in places
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* like the indexer or in cli scripts where the execution time normally isn't
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* limited. This can be combined with the simple cache using
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* METADATA_RENDER_USING_CACHE | METADATA_RENDER_UNLIMITED.
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*/
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define('METADATA_RENDER_UNLIMITED', 4);
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/**
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* Returns the parsed Wikitext in XHTML for the given id and revision.
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*
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* If $excuse is true an explanation is returned if the file
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* wasn't found
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*
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* @author Andreas Gohr <andi@splitbrain.org>
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*
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* @param string $id page id
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* @param string|int $rev revision timestamp or empty string
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* @param bool $excuse
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* @param string $date_at
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*
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* @return null|string
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*/
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function p_wiki_xhtml($id, $rev='', $excuse=true,$date_at=''){
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$file = wikiFN($id,$rev);
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$ret = '';
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//ensure $id is in global $ID (needed for parsing)
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global $ID;
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$keep = $ID;
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$ID = $id;
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if($rev || $date_at){
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if(file_exists($file)){
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//no caching on old revisions
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$ret = p_render('xhtml',p_get_instructions(io_readWikiPage($file,$id,$rev)),$info,$date_at);
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}elseif($excuse){
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$ret = p_locale_xhtml('norev');
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}
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}else{
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if(file_exists($file)){
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$ret = p_cached_output($file,'xhtml',$id);
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}elseif($excuse){
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//check if the page once existed
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$changelog = new PageChangeLog($id);
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if($changelog->hasRevisions()) {
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$ret = p_locale_xhtml('onceexisted');
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} else {
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$ret = p_locale_xhtml('newpage');
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}
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}
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}
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//restore ID (just in case)
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$ID = $keep;
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return $ret;
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}
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/**
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* Returns the specified local text in parsed format
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*
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* @author Andreas Gohr <andi@splitbrain.org>
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*
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* @param string $id page id
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* @return null|string
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*/
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function p_locale_xhtml($id){
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//fetch parsed locale
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$html = p_cached_output(localeFN($id));
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return $html;
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}
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/**
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* Returns the given file parsed into the requested output format
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*
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* @author Andreas Gohr <andi@splitbrain.org>
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* @author Chris Smith <chris@jalakai.co.uk>
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*
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* @param string $file filename, path to file
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* @param string $format
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* @param string $id page id
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* @return null|string
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*/
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function p_cached_output($file, $format='xhtml', $id='') {
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global $conf;
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$cache = new CacheRenderer($id, $file, $format);
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if ($cache->useCache()) {
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$parsed = $cache->retrieveCache(false);
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if($conf['allowdebug'] && $format=='xhtml') {
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$parsed .= "\n<!-- cachefile {$cache->cache} used -->\n";
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}
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} else {
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$parsed = p_render($format, p_cached_instructions($file,false,$id), $info);
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if ($info['cache'] && $cache->storeCache($parsed)) { // storeCache() attempts to save cachefile
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if($conf['allowdebug'] && $format=='xhtml') {
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$parsed .= "\n<!-- no cachefile used, but created {$cache->cache} -->\n";
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}
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}else{
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$cache->removeCache(); //try to delete cachefile
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if($conf['allowdebug'] && $format=='xhtml') {
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$parsed .= "\n<!-- no cachefile used, caching forbidden -->\n";
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}
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}
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}
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return $parsed;
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}
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/**
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* Returns the render instructions for a file
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*
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* Uses and creates a serialized cache file
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*
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* @author Andreas Gohr <andi@splitbrain.org>
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*
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* @param string $file filename, path to file
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* @param bool $cacheonly
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* @param string $id page id
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* @return array|null
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*/
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function p_cached_instructions($file,$cacheonly=false,$id='') {
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static $run = null;
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if(is_null($run)) $run = array();
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$cache = new CacheInstructions($id, $file);
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if ($cacheonly || $cache->useCache() || (isset($run[$file]) && !defined('DOKU_UNITTEST'))) {
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return $cache->retrieveCache();
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} else if (file_exists($file)) {
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// no cache - do some work
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$ins = p_get_instructions(io_readWikiPage($file,$id));
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if ($cache->storeCache($ins)) {
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$run[$file] = true; // we won't rebuild these instructions in the same run again
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} else {
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msg('Unable to save cache file. Hint: disk full; file permissions; safe_mode setting.',-1);
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}
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return $ins;
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}
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return null;
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}
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/**
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* turns a page into a list of instructions
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*
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* @author Harry Fuecks <hfuecks@gmail.com>
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* @author Andreas Gohr <andi@splitbrain.org>
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*
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* @param string $text raw wiki syntax text
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* @return array a list of instruction arrays
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*/
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function p_get_instructions($text){
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$modes = p_get_parsermodes();
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// Create the parser and handler
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$Parser = new Parser(new Doku_Handler());
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//add modes to parser
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foreach($modes as $mode){
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$Parser->addMode($mode['mode'],$mode['obj']);
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}
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// Do the parsing
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Event::createAndTrigger('PARSER_WIKITEXT_PREPROCESS', $text);
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$p = $Parser->parse($text);
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// dbg($p);
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return $p;
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}
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/**
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* returns the metadata of a page
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*
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* @param string $id The id of the page the metadata should be returned from
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* @param string $key The key of the metdata value that shall be read (by default everything)
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* separate hierarchies by " " like "date created"
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* @param int $render If the page should be rendererd - possible values:
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* METADATA_DONT_RENDER, METADATA_RENDER_USING_SIMPLE_CACHE, METADATA_RENDER_USING_CACHE
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* METADATA_RENDER_UNLIMITED (also combined with the previous two options),
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* default: METADATA_RENDER_USING_CACHE
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* @return mixed The requested metadata fields
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*
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* @author Esther Brunner <esther@kaffeehaus.ch>
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* @author Michael Hamann <michael@content-space.de>
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*/
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function p_get_metadata($id, $key='', $render=METADATA_RENDER_USING_CACHE){
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global $ID;
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static $render_count = 0;
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// track pages that have already been rendered in order to avoid rendering the same page
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// again
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static $rendered_pages = array();
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// cache the current page
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// Benchmarking shows the current page's metadata is generally the only page metadata
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// accessed several times. This may catch a few other pages, but that shouldn't be an issue.
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$cache = ($ID == $id);
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$meta = p_read_metadata($id, $cache);
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if (!is_numeric($render)) {
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if ($render) {
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$render = METADATA_RENDER_USING_SIMPLE_CACHE;
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} else {
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$render = METADATA_DONT_RENDER;
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}
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}
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// prevent recursive calls in the cache
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static $recursion = false;
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if (!$recursion && $render != METADATA_DONT_RENDER && !isset($rendered_pages[$id])&& page_exists($id)){
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$recursion = true;
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$cachefile = new CacheRenderer($id, wikiFN($id), 'metadata');
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$do_render = false;
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if ($render & METADATA_RENDER_UNLIMITED || $render_count < P_GET_METADATA_RENDER_LIMIT) {
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if ($render & METADATA_RENDER_USING_SIMPLE_CACHE) {
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$pagefn = wikiFN($id);
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$metafn = metaFN($id, '.meta');
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if (!file_exists($metafn) || @filemtime($pagefn) > @filemtime($cachefile->cache)) {
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$do_render = true;
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}
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} elseif (!$cachefile->useCache()){
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$do_render = true;
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}
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}
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if ($do_render) {
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if (!defined('DOKU_UNITTEST')) {
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++$render_count;
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$rendered_pages[$id] = true;
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}
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$old_meta = $meta;
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$meta = p_render_metadata($id, $meta);
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// only update the file when the metadata has been changed
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if ($meta == $old_meta || p_save_metadata($id, $meta)) {
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// store a timestamp in order to make sure that the cachefile is touched
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// this timestamp is also stored when the meta data is still the same
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$cachefile->storeCache(time());
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} else {
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msg('Unable to save metadata file. Hint: disk full; file permissions; safe_mode setting.',-1);
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}
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}
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$recursion = false;
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}
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$val = $meta['current'];
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// filter by $key
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foreach(preg_split('/\s+/', $key, 2, PREG_SPLIT_NO_EMPTY) as $cur_key) {
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if (!isset($val[$cur_key])) {
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return null;
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}
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$val = $val[$cur_key];
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}
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return $val;
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}
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/**
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* sets metadata elements of a page
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*
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* @see http://www.dokuwiki.org/devel:metadata#functions_to_get_and_set_metadata
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*
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* @param string $id is the ID of a wiki page
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* @param array $data is an array with key ⇒ value pairs to be set in the metadata
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* @param boolean $render whether or not the page metadata should be generated with the renderer
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* @param boolean $persistent indicates whether or not the particular metadata value will persist through
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* the next metadata rendering.
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* @return boolean true on success
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*
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* @author Esther Brunner <esther@kaffeehaus.ch>
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* @author Michael Hamann <michael@content-space.de>
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*/
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function p_set_metadata($id, $data, $render=false, $persistent=true){
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if (!is_array($data)) return false;
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global $ID, $METADATA_RENDERERS;
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// if there is currently a renderer change the data in the renderer instead
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if (isset($METADATA_RENDERERS[$id])) {
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$orig =& $METADATA_RENDERERS[$id];
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$meta = $orig;
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} else {
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// cache the current page
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$cache = ($ID == $id);
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$orig = p_read_metadata($id, $cache);
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// render metadata first?
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$meta = $render ? p_render_metadata($id, $orig) : $orig;
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}
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// now add the passed metadata
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$protected = array('description', 'date', 'contributor');
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foreach ($data as $key => $value){
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// be careful with sub-arrays of $meta['relation']
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if ($key == 'relation'){
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foreach ($value as $subkey => $subvalue){
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if(isset($meta['current'][$key][$subkey]) && is_array($meta['current'][$key][$subkey])) {
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$meta['current'][$key][$subkey] = array_replace($meta['current'][$key][$subkey], (array)$subvalue);
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} else {
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$meta['current'][$key][$subkey] = $subvalue;
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}
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if($persistent) {
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if(isset($meta['persistent'][$key][$subkey]) && is_array($meta['persistent'][$key][$subkey])) {
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$meta['persistent'][$key][$subkey] = array_replace(
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$meta['persistent'][$key][$subkey],
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(array) $subvalue
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);
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} else {
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$meta['persistent'][$key][$subkey] = $subvalue;
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}
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}
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}
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// be careful with some senisitive arrays of $meta
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} elseif (in_array($key, $protected)){
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// these keys, must have subkeys - a legitimate value must be an array
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if (is_array($value)) {
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$meta['current'][$key] = !empty($meta['current'][$key]) ?
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array_replace((array)$meta['current'][$key],$value) :
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$value;
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if ($persistent) {
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$meta['persistent'][$key] = !empty($meta['persistent'][$key]) ?
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array_replace((array)$meta['persistent'][$key],$value) :
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$value;
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}
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}
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// no special treatment for the rest
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} else {
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$meta['current'][$key] = $value;
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if ($persistent) $meta['persistent'][$key] = $value;
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}
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}
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// save only if metadata changed
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if ($meta == $orig) return true;
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if (isset($METADATA_RENDERERS[$id])) {
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// set both keys individually as the renderer has references to the individual keys
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$METADATA_RENDERERS[$id]['current'] = $meta['current'];
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$METADATA_RENDERERS[$id]['persistent'] = $meta['persistent'];
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return true;
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} else {
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return p_save_metadata($id, $meta);
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}
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}
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|
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/**
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* Purges the non-persistant part of the meta data
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* used on page deletion
|
||||
*
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* @author Michael Klier <chi@chimeric.de>
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*
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* @param string $id page id
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* @return bool success / fail
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*/
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function p_purge_metadata($id) {
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$meta = p_read_metadata($id);
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foreach($meta['current'] as $key => $value) {
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if(is_array($meta[$key])) {
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$meta['current'][$key] = array();
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} else {
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$meta['current'][$key] = '';
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}
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}
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return p_save_metadata($id, $meta);
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}
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||||
|
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/**
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* read the metadata from source/cache for $id
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* (internal use only - called by p_get_metadata & p_set_metadata)
|
||||
*
|
||||
* @author Christopher Smith <chris@jalakai.co.uk>
|
||||
*
|
||||
* @param string $id absolute wiki page id
|
||||
* @param bool $cache whether or not to cache metadata in memory
|
||||
* (only use for metadata likely to be accessed several times)
|
||||
*
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||||
* @return array metadata
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||||
*/
|
||||
function p_read_metadata($id,$cache=false) {
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||||
global $cache_metadata;
|
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|
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if (isset($cache_metadata[(string)$id])) return $cache_metadata[(string)$id];
|
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|
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$file = metaFN($id, '.meta');
|
||||
$meta = file_exists($file) ?
|
||||
unserialize(io_readFile($file, false)) :
|
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array('current'=>array(),'persistent'=>array());
|
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|
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if ($cache) {
|
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$cache_metadata[(string)$id] = $meta;
|
||||
}
|
||||
|
||||
return $meta;
|
||||
}
|
||||
|
||||
/**
|
||||
* This is the backend function to save a metadata array to a file
|
||||
*
|
||||
* @param string $id absolute wiki page id
|
||||
* @param array $meta metadata
|
||||
*
|
||||
* @return bool success / fail
|
||||
*/
|
||||
function p_save_metadata($id, $meta) {
|
||||
// sync cached copies, including $INFO metadata
|
||||
global $cache_metadata, $INFO;
|
||||
|
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if (isset($cache_metadata[$id])) $cache_metadata[$id] = $meta;
|
||||
if (!empty($INFO) && ($id == $INFO['id'])) { $INFO['meta'] = $meta['current']; }
|
||||
|
||||
return io_saveFile(metaFN($id, '.meta'), serialize($meta));
|
||||
}
|
||||
|
||||
/**
|
||||
* renders the metadata of a page
|
||||
*
|
||||
* @author Esther Brunner <esther@kaffeehaus.ch>
|
||||
*
|
||||
* @param string $id page id
|
||||
* @param array $orig the original metadata
|
||||
* @return array|null array('current'=> array,'persistent'=> array);
|
||||
*/
|
||||
function p_render_metadata($id, $orig){
|
||||
// make sure the correct ID is in global ID
|
||||
global $ID, $METADATA_RENDERERS;
|
||||
|
||||
// avoid recursive rendering processes for the same id
|
||||
if (isset($METADATA_RENDERERS[$id])) {
|
||||
return $orig;
|
||||
}
|
||||
|
||||
// store the original metadata in the global $METADATA_RENDERERS so p_set_metadata can use it
|
||||
$METADATA_RENDERERS[$id] =& $orig;
|
||||
|
||||
$keep = $ID;
|
||||
$ID = $id;
|
||||
|
||||
// add an extra key for the event - to tell event handlers the page whose metadata this is
|
||||
$orig['page'] = $id;
|
||||
$evt = new Event('PARSER_METADATA_RENDER', $orig);
|
||||
if ($evt->advise_before()) {
|
||||
|
||||
// get instructions
|
||||
$instructions = p_cached_instructions(wikiFN($id),false,$id);
|
||||
if(is_null($instructions)){
|
||||
$ID = $keep;
|
||||
unset($METADATA_RENDERERS[$id]);
|
||||
return null; // something went wrong with the instructions
|
||||
}
|
||||
|
||||
// set up the renderer
|
||||
$renderer = new Doku_Renderer_metadata();
|
||||
$renderer->meta =& $orig['current'];
|
||||
$renderer->persistent =& $orig['persistent'];
|
||||
|
||||
// loop through the instructions
|
||||
foreach ($instructions as $instruction){
|
||||
// execute the callback against the renderer
|
||||
call_user_func_array(array(&$renderer, $instruction[0]), (array) $instruction[1]);
|
||||
}
|
||||
|
||||
$evt->result = array('current'=>&$renderer->meta,'persistent'=>&$renderer->persistent);
|
||||
}
|
||||
$evt->advise_after();
|
||||
|
||||
// clean up
|
||||
$ID = $keep;
|
||||
unset($METADATA_RENDERERS[$id]);
|
||||
return $evt->result;
|
||||
}
|
||||
|
||||
/**
|
||||
* returns all available parser syntax modes in correct order
|
||||
*
|
||||
* @author Andreas Gohr <andi@splitbrain.org>
|
||||
*
|
||||
* @return array[] with for each plugin the array('sort' => sortnumber, 'mode' => mode string, 'obj' => plugin object)
|
||||
*/
|
||||
function p_get_parsermodes(){
|
||||
global $conf;
|
||||
|
||||
//reuse old data
|
||||
static $modes = null;
|
||||
if($modes != null && !defined('DOKU_UNITTEST')){
|
||||
return $modes;
|
||||
}
|
||||
|
||||
//import parser classes and mode definitions
|
||||
require_once DOKU_INC . 'inc/parser/parser.php';
|
||||
|
||||
// we now collect all syntax modes and their objects, then they will
|
||||
// be sorted and added to the parser in correct order
|
||||
$modes = array();
|
||||
|
||||
// add syntax plugins
|
||||
$pluginlist = plugin_list('syntax');
|
||||
if(count($pluginlist)){
|
||||
global $PARSER_MODES;
|
||||
$obj = null;
|
||||
foreach($pluginlist as $p){
|
||||
/** @var \dokuwiki\Extension\SyntaxPlugin $obj */
|
||||
if(!$obj = plugin_load('syntax',$p)) continue; //attempt to load plugin into $obj
|
||||
$PARSER_MODES[$obj->getType()][] = "plugin_$p"; //register mode type
|
||||
//add to modes
|
||||
$modes[] = array(
|
||||
'sort' => $obj->getSort(),
|
||||
'mode' => "plugin_$p",
|
||||
'obj' => $obj,
|
||||
);
|
||||
unset($obj); //remove the reference
|
||||
}
|
||||
}
|
||||
|
||||
// add default modes
|
||||
$std_modes = array('listblock','preformatted','notoc','nocache',
|
||||
'header','table','linebreak','footnote','hr',
|
||||
'unformatted','php','html','code','file','quote',
|
||||
'internallink','rss','media','externallink',
|
||||
'emaillink','windowssharelink','eol');
|
||||
if($conf['typography']){
|
||||
$std_modes[] = 'quotes';
|
||||
$std_modes[] = 'multiplyentity';
|
||||
}
|
||||
foreach($std_modes as $m){
|
||||
$class = 'dokuwiki\\Parsing\\ParserMode\\'.ucfirst($m);
|
||||
$obj = new $class();
|
||||
$modes[] = array(
|
||||
'sort' => $obj->getSort(),
|
||||
'mode' => $m,
|
||||
'obj' => $obj
|
||||
);
|
||||
}
|
||||
|
||||
// add formatting modes
|
||||
$fmt_modes = array('strong','emphasis','underline','monospace',
|
||||
'subscript','superscript','deleted');
|
||||
foreach($fmt_modes as $m){
|
||||
$obj = new \dokuwiki\Parsing\ParserMode\Formatting($m);
|
||||
$modes[] = array(
|
||||
'sort' => $obj->getSort(),
|
||||
'mode' => $m,
|
||||
'obj' => $obj
|
||||
);
|
||||
}
|
||||
|
||||
// add modes which need files
|
||||
$obj = new \dokuwiki\Parsing\ParserMode\Smiley(array_keys(getSmileys()));
|
||||
$modes[] = array('sort' => $obj->getSort(), 'mode' => 'smiley','obj' => $obj );
|
||||
$obj = new \dokuwiki\Parsing\ParserMode\Acronym(array_keys(getAcronyms()));
|
||||
$modes[] = array('sort' => $obj->getSort(), 'mode' => 'acronym','obj' => $obj );
|
||||
$obj = new \dokuwiki\Parsing\ParserMode\Entity(array_keys(getEntities()));
|
||||
$modes[] = array('sort' => $obj->getSort(), 'mode' => 'entity','obj' => $obj );
|
||||
|
||||
// add optional camelcase mode
|
||||
if($conf['camelcase']){
|
||||
$obj = new \dokuwiki\Parsing\ParserMode\Camelcaselink();
|
||||
$modes[] = array('sort' => $obj->getSort(), 'mode' => 'camelcaselink','obj' => $obj );
|
||||
}
|
||||
|
||||
//sort modes
|
||||
usort($modes,'p_sort_modes');
|
||||
|
||||
return $modes;
|
||||
}
|
||||
|
||||
/**
|
||||
* Callback function for usort
|
||||
*
|
||||
* @author Andreas Gohr <andi@splitbrain.org>
|
||||
*
|
||||
* @param array $a
|
||||
* @param array $b
|
||||
* @return int $a is lower/equal/higher than $b
|
||||
*/
|
||||
function p_sort_modes($a, $b){
|
||||
if($a['sort'] == $b['sort']) return 0;
|
||||
return ($a['sort'] < $b['sort']) ? -1 : 1;
|
||||
}
|
||||
|
||||
/**
|
||||
* Renders a list of instruction to the specified output mode
|
||||
*
|
||||
* In the $info array is information from the renderer returned
|
||||
*
|
||||
* @author Harry Fuecks <hfuecks@gmail.com>
|
||||
* @author Andreas Gohr <andi@splitbrain.org>
|
||||
*
|
||||
* @param string $mode
|
||||
* @param array|null|false $instructions
|
||||
* @param array $info returns render info like enabled toc and cache
|
||||
* @param string $date_at
|
||||
* @return null|string rendered output
|
||||
*/
|
||||
function p_render($mode,$instructions,&$info,$date_at=''){
|
||||
if(is_null($instructions)) return '';
|
||||
if($instructions === false) return '';
|
||||
|
||||
$Renderer = p_get_renderer($mode);
|
||||
if (is_null($Renderer)) return null;
|
||||
|
||||
$Renderer->reset();
|
||||
|
||||
if($date_at) {
|
||||
$Renderer->date_at = $date_at;
|
||||
}
|
||||
|
||||
$Renderer->smileys = getSmileys();
|
||||
$Renderer->entities = getEntities();
|
||||
$Renderer->acronyms = getAcronyms();
|
||||
$Renderer->interwiki = getInterwiki();
|
||||
|
||||
// Loop through the instructions
|
||||
foreach ( $instructions as $instruction ) {
|
||||
// Execute the callback against the Renderer
|
||||
if(method_exists($Renderer, $instruction[0])){
|
||||
call_user_func_array(array(&$Renderer, $instruction[0]), $instruction[1] ? $instruction[1] : array());
|
||||
}
|
||||
}
|
||||
|
||||
//set info array
|
||||
$info = $Renderer->info;
|
||||
|
||||
// Post process and return the output
|
||||
$data = array($mode,& $Renderer->doc);
|
||||
Event::createAndTrigger('RENDERER_CONTENT_POSTPROCESS',$data);
|
||||
return $Renderer->doc;
|
||||
}
|
||||
|
||||
/**
|
||||
* Figure out the correct renderer class to use for $mode,
|
||||
* instantiate and return it
|
||||
*
|
||||
* @param string $mode Mode of the renderer to get
|
||||
* @return null|Doku_Renderer The renderer
|
||||
*
|
||||
* @author Christopher Smith <chris@jalakai.co.uk>
|
||||
*/
|
||||
function p_get_renderer($mode) {
|
||||
/** @var PluginController $plugin_controller */
|
||||
global $conf, $plugin_controller;
|
||||
|
||||
$rname = !empty($conf['renderer_'.$mode]) ? $conf['renderer_'.$mode] : $mode;
|
||||
$rclass = "Doku_Renderer_$rname";
|
||||
|
||||
// if requested earlier or a bundled renderer
|
||||
if( class_exists($rclass) ) {
|
||||
$Renderer = new $rclass();
|
||||
return $Renderer;
|
||||
}
|
||||
|
||||
// not bundled, see if its an enabled renderer plugin & when $mode is 'xhtml', the renderer can supply that format.
|
||||
/** @var Doku_Renderer $Renderer */
|
||||
$Renderer = $plugin_controller->load('renderer',$rname);
|
||||
if ($Renderer && is_a($Renderer, 'Doku_Renderer') && ($mode != 'xhtml' || $mode == $Renderer->getFormat())) {
|
||||
return $Renderer;
|
||||
}
|
||||
|
||||
// there is a configuration error!
|
||||
// not bundled, not a valid enabled plugin, use $mode to try to fallback to a bundled renderer
|
||||
$rclass = "Doku_Renderer_$mode";
|
||||
if ( class_exists($rclass) ) {
|
||||
// viewers should see renderered output, so restrict the warning to admins only
|
||||
$msg = "No renderer '$rname' found for mode '$mode', check your plugins";
|
||||
if ($mode == 'xhtml') {
|
||||
$msg .= " and the 'renderer_xhtml' config setting";
|
||||
}
|
||||
$msg .= ".<br/>Attempting to fallback to the bundled renderer.";
|
||||
msg($msg,-1,'','',MSG_ADMINS_ONLY);
|
||||
|
||||
$Renderer = new $rclass;
|
||||
$Renderer->nocache(); // fallback only (and may include admin alerts), don't cache
|
||||
return $Renderer;
|
||||
}
|
||||
|
||||
// fallback failed, alert the world
|
||||
msg("No renderer '$rname' found for mode '$mode'",-1);
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets the first heading from a file
|
||||
*
|
||||
* @param string $id dokuwiki page id
|
||||
* @param int $render rerender if first heading not known
|
||||
* default: METADATA_RENDER_USING_SIMPLE_CACHE
|
||||
* Possible values: METADATA_DONT_RENDER,
|
||||
* METADATA_RENDER_USING_SIMPLE_CACHE,
|
||||
* METADATA_RENDER_USING_CACHE,
|
||||
* METADATA_RENDER_UNLIMITED
|
||||
* @return string|null The first heading
|
||||
*
|
||||
* @author Andreas Gohr <andi@splitbrain.org>
|
||||
* @author Michael Hamann <michael@content-space.de>
|
||||
*/
|
||||
function p_get_first_heading($id, $render=METADATA_RENDER_USING_SIMPLE_CACHE){
|
||||
return p_get_metadata(cleanID($id),'title',$render);
|
||||
}
|
||||
|
||||
/**
|
||||
* Wrapper for GeSHi Code Highlighter, provides caching of its output
|
||||
*
|
||||
* @param string $code source code to be highlighted
|
||||
* @param string $language language to provide highlighting
|
||||
* @param string $wrapper html element to wrap the returned highlighted text
|
||||
* @return string xhtml code
|
||||
*
|
||||
* @author Christopher Smith <chris@jalakai.co.uk>
|
||||
* @author Andreas Gohr <andi@splitbrain.org>
|
||||
*/
|
||||
function p_xhtml_cached_geshi($code, $language, $wrapper='pre', array $options=null) {
|
||||
global $conf, $config_cascade, $INPUT;
|
||||
$language = strtolower($language);
|
||||
|
||||
// remove any leading or trailing blank lines
|
||||
$code = preg_replace('/^\s*?\n|\s*?\n$/','',$code);
|
||||
|
||||
$optionsmd5 = md5(serialize($options));
|
||||
$cache = getCacheName($language.$code.$optionsmd5,".code");
|
||||
$ctime = @filemtime($cache);
|
||||
if($ctime && !$INPUT->bool('purge') &&
|
||||
$ctime > filemtime(DOKU_INC.'vendor/composer/installed.json') && // libraries changed
|
||||
$ctime > filemtime(reset($config_cascade['main']['default']))){ // dokuwiki changed
|
||||
$highlighted_code = io_readFile($cache, false);
|
||||
} else {
|
||||
|
||||
$geshi = new GeSHi($code, $language);
|
||||
$geshi->set_encoding('utf-8');
|
||||
$geshi->enable_classes();
|
||||
$geshi->set_header_type(GESHI_HEADER_PRE);
|
||||
$geshi->set_link_target($conf['target']['extern']);
|
||||
if($options !== null) {
|
||||
foreach ($options as $function => $params) {
|
||||
if(is_callable(array($geshi, $function))) {
|
||||
$geshi->$function($params);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// remove GeSHi's wrapper element (we'll replace it with our own later)
|
||||
// we need to use a GeSHi wrapper to avoid <BR> throughout the highlighted text
|
||||
$highlighted_code = trim(preg_replace('!^<pre[^>]*>|</pre>$!','',$geshi->parse_code()),"\n\r");
|
||||
io_saveFile($cache,$highlighted_code);
|
||||
}
|
||||
|
||||
// add a wrapper element if required
|
||||
if ($wrapper) {
|
||||
return "<$wrapper class=\"code $language\">$highlighted_code</$wrapper>";
|
||||
} else {
|
||||
return $highlighted_code;
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user