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-rw-r--r--plugins/dokuwiki/inc/parserutils.php524
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diff --git a/plugins/dokuwiki/inc/parserutils.php b/plugins/dokuwiki/inc/parserutils.php
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+<?php
+/**
+ * Utilities for collecting data from config files
+ *
+ * @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')) define('DOKU_INC',realpath(dirname(__FILE__).'/../').'/');
+
+ 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)){
+ $ret = p_render('xhtml',p_get_instructions(io_readfile($file)),$info); //no caching on old revisions
+ }elseif($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
+ $ins = p_get_instructions(io_readfile($file));
+ }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 = $cache->retrieveCache();
+ if($conf['allowdebug']) $parsed .= "\n<!-- cachefile {$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']) $parsed .= "\n<!-- no cachefile used, but created -->\n";
+ }else{
+ $cache->removeCache(); //try to delete cachefile
+ if($conf['allowdebug']) $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;
+
+ $cache = new cache_instructions($id, $file);
+
+ if ($cacheonly || $cache->useCache()) {
+ return $cache->retrieveCache();
+ } else if (@file_exists($file)) {
+ // no cache - do some work
+ $ins = p_get_instructions(io_readfile($file));
+ $cache->storeCache($ins);
+ 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 $INFO;
+
+ if ($id == $INFO['id'] && !empty($INFO['meta'])) {
+ $meta = $INFO['meta'];
+ } else {
+ $file = metaFN($id, '.meta');
+
+ if (@file_exists($file)) $meta = unserialize(io_readFile($file, false));
+ else $meta = array();
+
+ // metadata has never been rendered before - do it!
+ if ($render && !$meta['description']['abstract']){
+ $meta = p_render_metadata($id, $meta);
+ io_saveFile($file, serialize($meta));
+ }
+ }
+
+ // filter by $key
+ if ($key){
+ list($key, $subkey) = explode(' ', $key, 2);
+ if (trim($subkey)) return $meta[$key][$subkey];
+ else return $meta[$key];
+ }
+
+ return $meta;
+}
+
+/**
+ * sets metadata elements of a page
+ *
+ * @author Esther Brunner <esther@kaffeehaus.ch>
+ */
+function p_set_metadata($id, $data, $render=false){
+ if (!is_array($data)) return false;
+
+ $orig = p_get_metadata($id);
+
+ // render metadata first?
+ if ($render) $meta = p_render_metadata($id, $orig);
+ else $meta = $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){
+ $meta[$key][$subkey] = array_merge($meta[$key][$subkey], $subvalue);
+ }
+
+ // be careful with some senisitive arrays of $meta
+ } elseif (in_array($key, $protected)){
+ if (is_array($value)){
+ #FIXME not sure if this is the intended thing:
+ if(!is_array($meta[$key])) $meta[$key] = array($meta[$key]);
+ $meta[$key] = array_merge($meta[$key], $value);
+ }
+
+ // no special treatment for the rest
+ } else {
+ $meta[$key] = $value;
+ }
+ }
+
+ // save only if metadata changed
+ if ($meta == $orig) return true;
+
+ // check if current page metadata has been altered - if so sync the changes
+ global $INFO;
+ if ($id == $INFO['id'] && isset($INFO['meta'])) {
+ $INFO['meta'] = $meta;
+ }
+
+ return io_saveFile(metaFN($id, '.meta'), serialize($meta));
+}
+
+/**
+ * renders the metadata of a page
+ *
+ * @author Esther Brunner <esther@kaffeehaus.ch>
+ */
+function p_render_metadata($id, $orig){
+ require_once DOKU_INC."inc/parser/metadata.php";
+
+ // get instructions
+ $instructions = p_cached_instructions(wikiFN($id),false,$id);
+
+ // set up the renderer
+ $renderer = new Doku_Renderer_metadata();
+ $renderer->meta = $orig;
+
+ // loop through the instructions
+ foreach ($instructions as $instruction){
+ // execute the callback against the renderer
+ call_user_func_array(array(&$renderer, $instruction[0]), $instruction[1]);
+ }
+
+ return $renderer->meta;
+}
+
+/**
+ * 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 '';
+
+ if ($mode=='wiki') { msg("Renderer for $mode not valid",-1); return null; } //FIXME!! remove this line when inc/parser/wiki.php works.
+
+ // Create the renderer
+ if(!@file_exists(DOKU_INC."inc/parser/$mode.php")){
+ msg("No renderer for $mode found",-1);
+ return null;
+ }
+
+ require_once DOKU_INC."inc/parser/$mode.php";
+ $rclass = "Doku_Renderer_$mode";
+ if ( !class_exists($rclass) ) {
+ trigger_error("Unable to resolve render class $rclass",E_USER_WARNING);
+ msg("Renderer for $mode not valid",-1);
+ return null;
+ }
+ $Renderer = new $rclass(); #FIXME any way to check for class existance?
+
+ $Renderer->smileys = getSmileys();
+ $Renderer->entities = getEntities();
+ $Renderer->acronyms = getAcronyms();
+ $Renderer->interwiki = getInterwiki();
+ #$Renderer->badwords = getBadWords();
+
+ // 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 $Renderer->doc;
+}
+
+/**
+ * Gets the first heading from a file
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function p_get_first_heading($id){
+ global $conf;
+ return $conf['useheading'] ? p_get_metadata($id,'title') : null;
+}
+
+/**
+ * Wrapper for GeSHi Code Highlighter, provides caching of its output
+ *
+ * @author Christopher Smith <chris@jalakai.co.uk>
+ */
+function p_xhtml_cached_geshi($code, $language) {
+ $cache = getCacheName($language.$code,".code");
+
+ if (@file_exists($cache) && !$_REQUEST['purge'] &&
+ (filemtime($cache) > filemtime(DOKU_INC . 'inc/geshi.php'))) {
+
+ $highlighted_code = io_readFile($cache, false);
+ @touch($cache);
+
+ } else {
+
+ require_once(DOKU_INC . 'inc/geshi.php');
+
+ $geshi = new GeSHi($code, strtolower($language), DOKU_INC . 'inc/geshi');
+ $geshi->set_encoding('utf-8');
+ $geshi->enable_classes();
+ $geshi->set_header_type(GESHI_HEADER_PRE);
+
+ #$geshi->set_overall_class("code $language");
+ # geshi 1.0.8.* now adds the language first
+ $geshi->set_overall_class("code");
+
+ $geshi->set_link_target($conf['target']['extern']);
+
+ $highlighted_code = $geshi->parse_code();
+
+ io_saveFile($cache,$highlighted_code);
+ }
+
+ return $highlighted_code;
+}
+
+//Setup VIM: ex: et ts=2 enc=utf-8 :