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-rw-r--r--lib/dokuwiki/inc/parserutils.php672
1 files changed, 0 insertions, 672 deletions
diff --git a/lib/dokuwiki/inc/parserutils.php b/lib/dokuwiki/inc/parserutils.php
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index e2dd85979..000000000
--- a/lib/dokuwiki/inc/parserutils.php
+++ /dev/null
@@ -1,672 +0,0 @@
-<?php
-/**
- * Utilities for accessing the parser
- *
- * @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
- * @author Harry Fuecks <hfuecks@gmail.com>
- * @author Andreas Gohr <andi@splitbrain.org>
- */
-
-if(!defined('DOKU_INC')) die('meh.');
-require_once(DOKU_INC.'inc/confutils.php');
-require_once(DOKU_INC.'inc/pageutils.php');
-require_once(DOKU_INC.'inc/pluginutils.php');
-require_once(DOKU_INC.'inc/cache.php');
-
-/**
- * Returns the parsed Wikitext in XHTML for the given id and revision.
- *
- * If $excuse is true an explanation is returned if the file
- * wasn't found
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- */
-function p_wiki_xhtml($id, $rev='', $excuse=true){
- $file = wikiFN($id,$rev);
- $ret = '';
-
- //ensure $id is in global $ID (needed for parsing)
- global $ID;
- $keep = $ID;
- $ID = $id;
-
- if($rev){
- if(@file_exists($file)){
- $ret = p_render('xhtml',p_get_instructions(io_readWikiPage($file,$id,$rev)),$info); //no caching on old revisions
- }elseif($excuse){
- $ret = p_locale_xhtml('norev');
- }
- }else{
- if(@file_exists($file)){
- $ret = p_cached_output($file,'xhtml',$id);
- }elseif($excuse){
- $ret = p_locale_xhtml('newpage');
- }
- }
-
- //restore ID (just in case)
- $ID = $keep;
-
- return $ret;
-}
-
-/**
- * Returns starting summary for a page (e.g. the first few
- * paragraphs), marked up in XHTML.
- *
- * If $excuse is true an explanation is returned if the file
- * wasn't found
- *
- * @param string wiki page id
- * @param reference populated with page title from heading or page id
- * @deprecated
- * @author Harry Fuecks <hfuecks@gmail.com>
- */
-function p_wiki_xhtml_summary($id, &$title, $rev='', $excuse=true){
- $file = wikiFN($id,$rev);
- $ret = '';
-
- //ensure $id is in global $ID (needed for parsing)
- global $ID;
- $keep = $ID;
- $ID = $id;
-
- if($rev){
- if(@file_exists($file)){
- //no caching on old revisions
- $ins = p_get_instructions(io_readWikiPage($file,$id,$rev));
- }elseif($excuse){
- $ret = p_locale_xhtml('norev');
- //restore ID (just in case)
- $ID = $keep;
- return $ret;
- }
-
- }else{
-
- if(@file_exists($file)){
- // The XHTML for a summary is not cached so use the instruction cache
- $ins = p_cached_instructions($file);
- }elseif($excuse){
- $ret = p_locale_xhtml('newpage');
- //restore ID (just in case)
- $ID = $keep;
- return $ret;
- }
- }
-
- $ret = p_render('xhtmlsummary',$ins,$info);
-
- if ( $info['sum_pagetitle'] ) {
- $title = $info['sum_pagetitle'];
- } else {
- $title = $id;
- }
-
- $ID = $keep;
- return $ret;
-}
-
-/**
- * Returns the specified local text in parsed format
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- */
-function p_locale_xhtml($id){
- //fetch parsed locale
- $html = p_cached_output(localeFN($id));
- return $html;
-}
-
-/**
- * *** DEPRECATED ***
- *
- * use p_cached_output()
- *
- * Returns the given file parsed to XHTML
- *
- * Uses and creates a cachefile
- *
- * @deprecated
- * @author Andreas Gohr <andi@splitbrain.org>
- * @todo rewrite to use mode instead of hardcoded XHTML
- */
-function p_cached_xhtml($file){
- return p_cached_output($file);
-}
-
-/**
- * Returns the given file parsed into the requested output format
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- * @author Chris Smith <chris@jalakai.co.uk>
- */
-function p_cached_output($file, $format='xhtml', $id='') {
- global $conf;
-
- $cache = new cache_renderer($id, $file, $format);
- if ($cache->useCache()) {
- $parsed = $cache->retrieveCache(false);
- if($conf['allowdebug'] && $format=='xhtml') $parsed .= "\n<!-- cachefile {$cache->cache} used -->\n";
- } else {
- $parsed = p_render($format, p_cached_instructions($file,false,$id), $info);
-
- if ($info['cache']) {
- $cache->storeCache($parsed); //save cachefile
- if($conf['allowdebug'] && $format=='xhtml') $parsed .= "\n<!-- no cachefile used, but created {$cache->cache} -->\n";
- }else{
- $cache->removeCache(); //try to delete cachefile
- if($conf['allowdebug'] && $format=='xhtml') $parsed .= "\n<!-- no cachefile used, caching forbidden -->\n";
- }
- }
-
- return $parsed;
-}
-
-/**
- * Returns the render instructions for a file
- *
- * Uses and creates a serialized cache file
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- */
-function p_cached_instructions($file,$cacheonly=false,$id='') {
- global $conf;
- static $run = null;
- if(is_null($run)) $run = array();
-
- $cache = new cache_instructions($id, $file);
-
- if ($cacheonly || $cache->useCache() || isset($run[$file])) {
- return $cache->retrieveCache();
- } else if (@file_exists($file)) {
- // no cache - do some work
- $ins = p_get_instructions(io_readWikiPage($file,$id));
- if ($cache->storeCache($ins)) {
- $run[$file] = true; // we won't rebuild these instructions in the same run again
- } else {
- msg('Unable to save cache file. Hint: disk full; file permissions; safe_mode setting.',-1);
- }
- return $ins;
- }
-
- return null;
-}
-
-/**
- * turns a page into a list of instructions
- *
- * @author Harry Fuecks <hfuecks@gmail.com>
- * @author Andreas Gohr <andi@splitbrain.org>
- */
-function p_get_instructions($text){
-
- $modes = p_get_parsermodes();
-
- // Create the parser
- $Parser = & new Doku_Parser();
-
- // Add the Handler
- $Parser->Handler = & new Doku_Handler();
-
- //add modes to parser
- foreach($modes as $mode){
- $Parser->addMode($mode['mode'],$mode['obj']);
- }
-
- // Do the parsing
- trigger_event('PARSER_WIKITEXT_PREPROCESS', $text);
- $p = $Parser->parse($text);
- // dbg($p);
- return $p;
-}
-
-/**
- * returns the metadata of a page
- *
- * @author Esther Brunner <esther@kaffeehaus.ch>
- */
-function p_get_metadata($id, $key=false, $render=false){
- global $ID, $INFO, $cache_metadata;
-
- // cache the current page
- // Benchmarking shows the current page's metadata is generally the only page metadata
- // accessed several times. This may catch a few other pages, but that shouldn't be an issue.
- $cache = ($ID == $id);
- $meta = p_read_metadata($id, $cache);
-
- // metadata has never been rendered before - do it! (but not for non-existent pages)
- if ($render && !isset($meta['current']['description']['abstract']) && page_exists($id)){
- $meta = p_render_metadata($id, $meta);
- io_saveFile(metaFN($id, '.meta'), serialize($meta));
-
- // sync cached copies, including $INFO metadata
- if (!empty($cache_metadata[$id])) $cache_metadata[$id] = $meta;
- if (!empty($INFO) && ($id == $INFO['id'])) { $INFO['meta'] = $meta['current']; }
- }
-
- // filter by $key
- if ($key){
- list($key, $subkey) = explode(' ', $key, 2);
- $subkey = trim($subkey);
-
- if ($subkey) {
- return isset($meta['current'][$key][$subkey]) ? $meta['current'][$key][$subkey] : null;
- }
-
- return isset($meta['current'][$key]) ? $meta['current'][$key] : null;
- }
-
- return $meta['current'];
-}
-
-/**
- * sets metadata elements of a page
- *
- * @author Esther Brunner <esther@kaffeehaus.ch>
- */
-function p_set_metadata($id, $data, $render=false, $persistent=true){
- if (!is_array($data)) return false;
-
- global $ID;
-
- // cache the current page
- $cache = ($ID == $id);
- $orig = p_read_metadata($id, $cache);
-
- // render metadata first?
- $meta = $render ? p_render_metadata($id, $orig) : $orig;
-
- // now add the passed metadata
- $protected = array('description', 'date', 'contributor');
- foreach ($data as $key => $value){
-
- // be careful with sub-arrays of $meta['relation']
- if ($key == 'relation'){
-
- foreach ($value as $subkey => $subvalue){
- $meta['current'][$key][$subkey] = !empty($meta['current'][$key][$subkey]) ? array_merge($meta['current'][$key][$subkey], $subvalue) : $subvalue;
- if ($persistent)
- $meta['persistent'][$key][$subkey] = !empty($meta['persistent'][$key][$subkey]) ? array_merge($meta['persistent'][$key][$subkey], $subvalue) : $subvalue;
- }
-
- // be careful with some senisitive arrays of $meta
- } elseif (in_array($key, $protected)){
-
- // these keys, must have subkeys - a legitimate value must be an array
- if (is_array($value)) {
- $meta['current'][$key] = !empty($meta['current'][$key]) ? array_merge($meta['current'][$key],$value) : $value;
-
- if ($persistent) {
- $meta['persistent'][$key] = !empty($meta['persistent'][$key]) ? array_merge($meta['persistent'][$key],$value) : $value;
- }
- }
-
- // no special treatment for the rest
- } else {
- $meta['current'][$key] = $value;
- if ($persistent) $meta['persistent'][$key] = $value;
- }
- }
-
- // save only if metadata changed
- if ($meta == $orig) return true;
-
- // sync cached copies, including $INFO metadata
- global $cache_metadata, $INFO;
-
- if (!empty($cache_metadata[$id])) $cache_metadata[$id] = $meta;
- if (!empty($INFO) && ($id == $INFO['id'])) { $INFO['meta'] = $meta['current']; }
-
- return io_saveFile(metaFN($id, '.meta'), serialize($meta));
-}
-
-/**
- * Purges the non-persistant part of the meta data
- * used on page deletion
- *
- * @author Michael Klier <chi@chimeric.de>
- */
-function p_purge_metadata($id) {
- $metafn = metaFN('id', '.meta');
- $meta = p_read_metadata($id);
- foreach($meta['current'] as $key => $value) {
- if(is_array($meta[$key])) {
- $meta['current'][$key] = array();
- } else {
- $meta['current'][$key] = '';
- }
- }
- return io_saveFile(metaFN($id, '.meta'), serialize($meta));
-}
-
-/**
- * read the metadata from source/cache for $id
- * (internal use only - called by p_get_metadata & p_set_metadata)
- *
- * this function also converts the metadata from the original format to
- * the current format ('current' & 'persistent' arrays)
- *
- * @author Christopher Smith <chris@jalakai.co.uk>
- *
- * @param string $id absolute wiki page id
- * @param bool $cache whether or not to cache metadata in memory
- * (only use for metadata likely to be accessed several times)
- *
- * @return array metadata
- */
-function p_read_metadata($id,$cache=false) {
- global $cache_metadata;
-
- if (isset($cache_metadata[(string)$id])) return $cache_metadata[(string)$id];
-
- $file = metaFN($id, '.meta');
- $meta = @file_exists($file) ? unserialize(io_readFile($file, false)) : array('current'=>array(),'persistent'=>array());
-
- // convert $meta from old format to new (current+persistent) format
- if (!isset($meta['current'])) {
- $meta = array('current'=>$meta,'persistent'=>$meta);
-
- // remove non-persistent keys
- unset($meta['persistent']['title']);
- unset($meta['persistent']['description']['abstract']);
- unset($meta['persistent']['description']['tableofcontents']);
- unset($meta['persistent']['relation']['haspart']);
- unset($meta['persistent']['relation']['references']);
- unset($meta['persistent']['date']['valid']);
-
- if (empty($meta['persistent']['description'])) unset($meta['persistent']['description']);
- if (empty($meta['persistent']['relation'])) unset($meta['persistent']['relation']);
- if (empty($meta['persistent']['date'])) unset($meta['persistent']['date']);
-
- // save converted metadata
- io_saveFile($file, serialize($meta));
- }
-
- if ($cache) {
- $cache_metadata[(string)$id] = $meta;
- }
-
- return $meta;
-}
-
-/**
- * renders the metadata of a page
- *
- * @author Esther Brunner <esther@kaffeehaus.ch>
- */
-function p_render_metadata($id, $orig){
- // make sure the correct ID is in global ID
- global $ID;
- $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 Doku_Event('PARSER_METADATA_RENDER', $orig);
- if ($evt->advise_before()) {
-
- require_once DOKU_INC."inc/parser/metadata.php";
-
- // get instructions
- $instructions = p_cached_instructions(wikiFN($id),false,$id);
- if(is_null($instructions)){
- $ID = $keep;
- 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]), $instruction[1]);
- }
-
- $evt->result = array('current'=>$renderer->meta,'persistent'=>$renderer->persistent);
- }
- $evt->advise_after();
-
- $ID = $keep;
- return $evt->result;
-}
-
-/**
- * returns all available parser syntax modes in correct order
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- */
-function p_get_parsermodes(){
- global $conf;
-
- //reuse old data
- static $modes = null;
- if($modes != null){
- 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 $p){
- if(!$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){
- $class = "Doku_Parser_Mode_$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){
- $obj = new Doku_Parser_Mode_formatting($m);
- $modes[] = array(
- 'sort' => $obj->getSort(),
- 'mode' => $m,
- 'obj' => $obj
- );
- }
-
- // add modes which need files
- $obj = new Doku_Parser_Mode_smiley(array_keys(getSmileys()));
- $modes[] = array('sort' => $obj->getSort(), 'mode' => 'smiley','obj' => $obj );
- $obj = new Doku_Parser_Mode_acronym(array_keys(getAcronyms()));
- $modes[] = array('sort' => $obj->getSort(), 'mode' => 'acronym','obj' => $obj );
- $obj = new Doku_Parser_Mode_entity(array_keys(getEntities()));
- $modes[] = array('sort' => $obj->getSort(), 'mode' => 'entity','obj' => $obj );
-
- // add optional camelcase mode
- if($conf['camelcase']){
- $obj = new Doku_Parser_Mode_camelcaselink();
- $modes[] = array('sort' => $obj->getSort(), 'mode' => 'camelcaselink','obj' => $obj );
- }
-
- //sort modes
- usort($modes,'p_sort_modes');
-
- return $modes;
-}
-
-/**
- * Callback function for usort
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- */
-function p_sort_modes($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 $info array are informations from the renderer returned
- *
- * @author Harry Fuecks <hfuecks@gmail.com>
- * @author Andreas Gohr <andi@splitbrain.org>
- */
-function p_render($mode,$instructions,&$info){
- if(is_null($instructions)) return '';
-
- $Renderer =& p_get_renderer($mode);
- if (is_null($Renderer)) return null;
-
- $Renderer->reset();
-
- $Renderer->smileys = getSmileys();
- $Renderer->entities = getEntities();
- $Renderer->acronyms = getAcronyms();
- $Renderer->interwiki = getInterwiki();
-
- // Loop through the instructions
- foreach ( $instructions as $instruction ) {
- // Execute the callback against the Renderer
- call_user_func_array(array(&$Renderer, $instruction[0]),$instruction[1]);
- }
-
- //set info array
- $info = $Renderer->info;
-
- // Post process and return the output
- $data = array($mode,& $Renderer->doc);
- trigger_event('RENDERER_CONTENT_POSTPROCESS',$data);
- return $Renderer->doc;
-}
-
-function & p_get_renderer($mode) {
- global $conf, $plugin_controller;
-
- $rname = !empty($conf['renderer_'.$mode]) ? $conf['renderer_'.$mode] : $mode;
-
- // try default renderer first:
- $file = DOKU_INC."inc/parser/$rname.php";
- if(@file_exists($file)){
- require_once $file;
- $rclass = "Doku_Renderer_$rname";
-
- if ( !class_exists($rclass) ) {
- trigger_error("Unable to resolve render class $rclass",E_USER_WARNING);
- msg("Renderer '$rname' for $mode not valid",-1);
- return null;
- }
- $Renderer = & new $rclass();
- }else{
- // Maybe a plugin/component is available?
- list($plugin, $component) = $plugin_controller->_splitName($rname);
- if (!$plugin_controller->isdisabled($plugin)){
- $Renderer =& $plugin_controller->load('renderer',$rname, true);
- }
-
- if(is_null($Renderer)){
- msg("No renderer '$rname' found for mode '$mode'",-1);
- return null;
- }
- }
-
- return $Renderer;
-}
-
-/**
- * Gets the first heading from a file
- *
- * @param string $id dokuwiki page id
- * @param bool $render rerender if first heading not known
- * default: true -- must be set to false for calls from the metadata renderer to
- * protects against loops and excessive resource usage when pages
- * for which only a first heading is required will attempt to
- * render metadata for all the pages for which they require first
- * headings ... and so on.
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- */
-function p_get_first_heading($id, $render=true){
- return p_get_metadata($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 $wrapper html element to wrap the returned highlighted text
- *
- * @author Christopher Smith <chris@jalakai.co.uk>
- * @author Andreas Gohr <andi@splitbrain.org>
- */
-function p_xhtml_cached_geshi($code, $language, $wrapper='pre') {
- global $conf, $config_cascade;
- $language = strtolower($language);
-
- // remove any leading or trailing blank lines
- $code = preg_replace('/^\s*?\n|\s*?\n$/','',$code);
-
- $cache = getCacheName($language.$code,".code");
- $ctime = @filemtime($cache);
- if($ctime && !$_REQUEST['purge'] &&
- $ctime > filemtime(DOKU_INC.'inc/geshi.php') && // geshi changed
- $ctime > @filemtime(DOKU_INC.'inc/geshi/'.$language.'.php') && // language syntax definition changed
- $ctime > filemtime(reset($config_cascade['main']['default']))){ // dokuwiki changed
- $highlighted_code = io_readFile($cache, false);
-
- } else {
-
- require_once(DOKU_INC . 'inc/geshi.php');
-
- $geshi = new GeSHi($code, $language, DOKU_INC . 'inc/geshi');
- $geshi->set_encoding('utf-8');
- $geshi->enable_classes();
- $geshi->set_header_type(GESHI_HEADER_PRE);
- $geshi->set_link_target($conf['target']['extern']);
-
- // 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;
- }
-}
-