Extension:Wiki2LaTeX/Development/w2lCore.php

<?php

/* * File:   w2lCore.php * Created: 2007-09-01 * Version: 0.7 * * Purpose: * Contains the main class, which provides the export-functionality to Mediawiki * * License: * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */

if ( !defined('MEDIAWIKI') ) { $msg = 'To install Wiki2LaTeX, put the following line in LocalSettings.php: '; $msg .= 'require_once( $IP."/extensions/path_to_Wiki2LaTeX_files/wiki2latex.php" );'; echo $msg; exit( 1 ); }

class Wiki2LaTeX { var $actions_converter = array('w2llatexform', 'w2ltexfiles', 'w2lpdf', 'w2ltextarea', 'w2lsyntax'); var $actions_archive  = array('w2lpdfarchive', 'w2lpdfsave', 'w2lcleartempfolder', 'w2larchivedelete');

var $actions = array; var $options = array;

var $messagesLoaded = false;

var $version    = '0.7'; var $required_mw = '1.11';

function Wiki2LaTeX { $this->__construct; }

function __construct { global $w2lConfig; $this->config =& $w2lConfig; $this->actions = array_merge($this->actions_converter, $this->actions_archive);

}	// Mediawiki Functions public function Setup { global $wgExtensionCredits;

// A current MW-Version is required so check for it... wfUseMW($this->required_mw); if ($this->messagesLoaded == false ) { $this->onLoadAllMessages; }

$wgExtensionCredits['other'][] = array(			'name'       => wfMsg('wiki2latex'),			'author'      => 'Hans-Georg Kluge',			'description' => wfMsg('w2l_description'),			'url'         => 'http://www.mediawiki.org/wiki/Extension:Wiki2LaTeX'		);

}

function onBeforePageDisplay(&$out) { $script = <</*<![CDATA[*/ li#ca-latex {margin-left:1.6em;} li#ca-pdfarchive {margin-right:1.6em;} /*]]>*/ EOF; $out->addScript($script."\n");

return true;

}	public function onSkinTemplateContentActions(&$content_actions) { // Here comes the small Wiki2LaTeX-Tab global $wgUser; global $wgTitle;

if ($this->messagesLoaded == false ) { $this->onLoadAllMessages; }		$values = new webRequest; $action = $values->getVal('action');

$cur_ns = $wgTitle->getNamespace; $d_a = array('edit', 'submit'); // disallowed actions

if (($wgUser->getID == 0) AND ($this->config['allow_anonymous'] == false) ) { return true; }

if ( ( in_array($cur_ns, $this->config['allowed_ns']) ) and !in_array($action, $d_a)) {

$content_actions['latex'] = array(				'class' => ( in_array($action, $this->actions_converter ) ) ? 'selected' : false,				'style' => 'margin-left:10px;',				'text' => wfMsg('w2l_tab'),				'href' => $wgTitle->getLocalUrl( 'action=w2llatexform' )			); if ($this->config['enable_archive'] ) { $content_actions['pdfarchive'] = array(					'class' => ( in_array($action, $this->actions_archive ) ) ? 'selected' : false,					'text' => wfMsg('w2l_tab_pdfarchive'),					'href' => $wgTitle->getLocalUrl( 'action=w2lpdfarchive' )				); }		}		return true; }

public function onLoadAllMessages { global $wgMessageCache; if ( $this->messagesLoaded ) return true; $this->messagesLoaded = true; $wgMessageCache->clear; require( dirname( __FILE__ ) . '/w2lMessages.php' ); foreach ( $w2lMessages as $lang => $langMessages ) { $wgMessageCache->addMessages( $langMessages, $lang ); }		return true; }

public function onUnknownAction($action, &$article) { // Here comes all the stuff to show the form and parse it... global $wgTitle, $wgOut, $wgUser;

// Check the requested action // return if not for w2l $action = strtolower($action); if (!in_array($action, $this->actions)) { // Not our action, so return! return true; }		// Check, if anonymous usage is allowed... if (($wgUser->getID == 0) AND ($this->config['allow_anonymous'] == false) ) { return true; }

// we are on our own now! $action = str_replace('w2l', '', $action); $action = 'on'.ucfirst(strtolower($action));

// Call appropriate method if ( method_exists( $this, $action ) ) { // Mediawiki objects $this->mArticle =& $article; $this->mTitle  =& $wgTitle; $this->mUser   =& $wgUser; $this->mValues = new webRequest;

// Wiki2LaTeX objects $this->Parser = new Wiki2LaTeXParser; $this->Parser->initParsing; $options = $this->getParserConfig; $this->Parser->setConfig($options);

$this->mwVars = $this->prepareVariables; $this->Parser->setMwVariables($this->mwVars); $this->getTempFolder; $success = $this->$action;

return false; }	}

// Our Methods to do the work we have to do	private function onLatexform { global $wgOut, $wgScriptPath, $wgExtraNamespaces;

$title = $this->mTitle->getEscapedText; $url_title = $this->mTitle->getPrefixedDBkey; $namespace = $this->mTitle->getNamespace;

$select['action']  = $this->config['default_action']; $select['template'] = $this->config['default_template'];

if ( isset($this->config['defaults']) ) { foreach ($this->config['defaults'] as $def_line) { if ( preg_match('/'.preg_quote($def_line['search']).'/', $title) ) { $select['action'] = $def_line['action']; $select['template'] = $def_line['template']; }			}		}

$events = $this->Parser->getEventHandlers; $output = ''; // Show a message, if form os called by a redirect from deleting all temp-files if ( $this->mValues->getVal('deletesuccess') == 'true' ) { $output .= ''; $output .= wfMsg('w2l_delete_success'); $output .= ' '; } elseif ( $this->mValues->getVal('deletesuccess') == 'false' ) { $output .= ''; $output .= wfMsg('w2l_delete_error'); $output .= ' '; }		$output .= ''."\n"; $output .= ''."\n"; $output .= ''."\n";

// Exportoptionen $output .= ' '."\n"; $output .= ' '.wfMsg('w2l_options').' '."\n"; $output .= '  '; $output .= wfMsg('w2l_select_docclass_book').' '."\n"; $output .= '  '; $output .= wfMsg('w2l_select_docclass_report').' '."\n"; $output .= '  '; $output .= wfMsg('w2l_select_docclass_article').' '."\n"; $output .= '  '; $output .= wfMsg('w2l_select_paralist').' '."\n"; $output .= '  '; $output .= wfMsg('w2l_select_quotedetection').' '."\n"; $output .= '  '; $output .= wfMsg('w2l_select_leavenoinclude').' '."\n"; $output .= '  '; $output .= wfMsg('w2l_select_insertincludeonly').' '."\n"; $output .= '  '; $output .= wfMsg('w2l_select_removetemplates').' '."\n"; $output .= ' <input type="radio" name="process_curly_braces" value="1" /> '; $output .= wfMsg('w2l_select_donotprocesstemplates').' '."\n"; $output .= ' <input type="radio" name="process_curly_braces" checked="checked" value="2" /> '; $output .= wfMsg('w2l_select_processtemplates').' '."\n"; $output .= '  '."\n"; // Auswahl für Events... if ( count($events) > 0 ) { $output .= ' '."\n"; $output .= ' '; $output .= wfMsg('w2l_select_events_heading'); $output .=' '."\n"; foreach ($events as $event) { $output .= ' <input type="checkbox" name="'.$event.'" value="exec" checked="checked" /> '; $output .= wfMsg('w2l_select_event', $event); $output .= ' '."\n"; }			$output .= ' '."\n"; }

// Auswahl des Templates... if ( !is_array($wgExtraNamespaces) ) { $LaTeX_namespace = false; } else { $LaTeX_namespace = array_search('LaTeX', $wgExtraNamespaces); }

$output .= ' '; $output .= wfMsg('w2l_select_templates_heading'); $output .= ' ';

$output .= ' '; $output .= wfMsg('w2l_select_template'); $output .= ' '."\n"; $output .= ' (auto) '; //select old_text from page, revision, text where page_title = 'Title here' and page_latest = rev_id and rev_text_id = old_id;

$tables = 'page'; $vars  = array('page_title', 'page_id'); $conds = array("page_namespace = ".$LaTeX_namespace, 'page_title Like "W2L_%"'); if ($LaTeX_namespace !== false ) { $db = wfGetDB(DB_SLAVE); $result = $db->select($tables, $vars, $conds); while ($line = $db->fetchRow( $result )) { $tmpl_name = str_replace("W2L_", "", $line['page_title']); $tmpl_name = str_replace("_", " ", $tmpl_name); $select_it = 0; if ($tmpl_name == $select['template']) { $output .= '<option value="'.$line['page_id'].'" elected="selected">'.$tmpl_name.' '."\n"; } else { $output .= '<option value="'.$line['page_id'].'">'.$tmpl_name.' '."\n"; }			}			$db->freeResult($result); }		$output .= " \n ";

// Auswahl der Art des Exports... $sel_textarea = ($select['action'] == 'w2ltextarea') ? ' checked="checked"': '' ; $sel_syntax  = ($select['action'] == 'w2lsyntax')   ? ' checked="checked"': '' ; $sel_tex     = ($select['action'] == 'w2ltexfiles') ? ' checked="checked"': '' ; $sel_pdf     = ($select['action'] == 'w2lpdf')      ? ' checked="checked"': '' ; $output .= ' '."\n"; $output .= ' '; $output .= wfMsg('w2l_select_output'); $output .= ' '."\n"; $output .= ' <input type="radio" name="action" value="w2ltextarea"'.$sel_textarea.' /> '; $output .= wfMsg('w2l_select_textarea'); $output .= ' '."\n"; if ($this->config['enable_geshi'] == true) { $output .= ' <input type="radio" name="action" value="w2lsyntax"'.$sel_syntax.' /> '; $output .= wfMsg('w2l_select_geshi'); $output .=' '."\n"; }		$output .= ' <input type="radio" name="action" value="w2ltexfiles"'.$sel_tex.' /> '; $output .= wfMsg('w2l_select_texfiles'); $output .= ' '."\n";

if (true == $this->config['pdfexport']) { $output .= ' <input type="radio" name="action" value="w2lpdf"'.$sel_pdf.' /> '; $output .= wfMsg('w2l_select_pdf',$this->config['output_format']); $output .= ' '."\n"; }		$output .= ' '."\n";

$output .= ' '; $output .= wfMsg('w2l_start_export'); $output .= ' '; $output .= $this->getFolderLinks; $output .= ' '."\n"; //$output .= '<a href="'.$this->mTitle->getLocalUrl( 'action=w2lcleartempfolder' ).'">Clean the temporary files</a>'; // Set the neccessary values to wgOut! $wgOut->addHTML($output); //echo $title; $wgOut->setPagetitle( wfMsg('w2l_export_title', $title) ); $wgOut->setSubtitle( wfMsg('w2l_export_subtitle', $title) );

return true; }	private function onSyntax { $this->onTextarea(true); return true; }

private function onTexfiles { $this->onPdf(false); return true; }

private function onTextarea($use_geshi = false) { global $wgOut; $title = $this->mTitle->getEscapedText;

$events = $this->Parser->getEventHandlers; foreach ($events as $event) { if ($this->mValues->getVal($event) != 'exec' ) { $this->Parser->deactivateEventHandler($event); }		}

$to_parse = $this->mArticle->getContent; $parsed = $this->Parser->parse($to_parse, $this->mTitle, W2L_STRING); if ($use_geshi == false ) { $output = '<textarea style="height:200px;">'.$parsed.' '; $output .= $this->Parser->getErrorMessages; } else { $geshi = new GeSHi($parsed, 'latex');

$geshi->set_encoding('UTF-8'); $geshi->set_header_type(GESHI_HEADER_DIV); $geshi->enable_line_numbers(GESHI_FANCY_LINE_NUMBERS); $geshi->set_line_style('margin:0; padding:0;', 'margin:0; padding:0;', true);

$output = $this->Parser->getErrorMessages; $output .= $geshi->parse_code; }

if ($this->config['debug'] == true) { $output .= wfMsg('w2l_debug_info', round($this->Parser->getParseTime, 3), $this->Parser->curlyBraceDebugCounter, $this->Parser->curlyBraceLength); }		$wgOut->addHTML($output);

$wgOut->setPagetitle( wfMsg('w2l_result_title', $title) ); $wgOut->setSubtitle( wfMsg('w2l_result_subtitle', $title) ); return true; }

private function onPdf($compile = true) { global $wgOut, $wgLang, $IP; $output = ''; $title = $this->mTitle->getEscapedText; if ( ($this->config['pdfexport'] == false) AND ($compile == true) ) { // pdf export is not allowed, so don't export $wgOut->addHTML(wfMsg('w2l_pdfexport_disabled')); return false; }

$events = $this->Parser->getEventHandlers; foreach ($events as $event) { if ($this->values->getVal($event) != 'exec' ) { $this->Parser->deactivateEventHandler($event); }		}		$to_parse = $this->mArticle->getContent;

// Get Template-Vars... $template_vars = $this->mwVars; $template_vars = $this->getTemplateVars($to_parse); //If title was not set by a tag, use page title // Put some special variables in the template vars

$rev = Revision::newFromTitle($this->mTitle); if (!is_null($rev)) { $date = $wgLang->timeanddate( wfTimestamp(TS_MW, $rev->getTimestamp), true ); if(!in_array("Title", $template_vars)) { $template_vars['Title'] = $title; }			$template_vars['revision timestamp'] = $date; $template_vars['revision user'] = $rev->getUserText; $template_vars['revision id'] = $rev->getId; $template_vars['page id'] = $this->mTitle->getArticleId; }

// we need that template-file... $temp_id = $this->mValues->getVal("template"); if ( $temp_id == 'false' ) { // now this is bad! $wgOut->addHTML( wfMsg('w2l_error_no_template') ); } else { //echo $temp_id;

$parsed = $this->Parser->parse($to_parse, $this->mTitle); if ( $temp_id == 'auto' ) { // create a template automagically, // future, nothing here yet... $template = $this->createMagicTemplate; } else { $template = $this->getTemplate($temp_id); }			$files = $this->createTemplateFiles($template);

// Adding some Template-Variables... $template_vars['W2L_CONTENT'] = $parsed; //new templates should use this one! $template_vars['W2L_VERSION'] = $this->version; // For compatibility-reasons: $template_vars['WikiContent'] = $parsed; // Old, for compatibility

// Now the template vars need to be put into ((var)) $tpl_vars = array; foreach($template_vars as $tplv_key => $tplv_value) { $tpl_vars['(('.$tplv_key.'))'] = $tplv_value; }			// define the path for the files... $mytemp = $this->tempFolder['local']; $cur_dir = getcwd; chdir($mytemp); $work_folder = getcwd; $msg = ''; $msg .= 'Temporary directoy: '.$mytemp."\n"; $msg .= 'Current directory: '.$work_folder."\n"; foreach( $files as $file_name => $file_content) { $file_content = str_replace(array_keys($tpl_vars), array_values($tpl_vars), $file_content); $failure = file_put_contents($file_name, $file_content); if (failure !== false ) { $msg .= 'Creating file '.$file_name.' with '.$failure.' Bytes'."\n"; } else { $msg .= 'Error creating file '.$file_name."\n"; }				chmod($file_name, 0777); }

if ($compile == true ) {

$latex_command = $this->config['command'];

switch ( $this->config['plattform'] ) { case 'win': $latex_command = str_replace('%1', $mytemp, $latex_command); $latex_command = str_replace("/",'\\', $latex_command);

break; case 'linux': $latex_command = str_replace('%1', $mytemp, $latex_command); break; default: // leave everything as is... break; }

$msg .= wfMsg('w2l_compile_command', $latex_command)."\n"; $msg .= wfMsg('w2l_temppath', getcwd)."\n";

for ($i = 1; $i <= $this->config['repeat']; $i++) { $msg .= "\n".wfMsg('w2l_compile_run', $i)."\n"; $msg .= shell_exec($latex_command); }				$this->chmodFolder($mytemp, 0777); if ( $this->config['enable_archive'] ) { // Show a form to save the current pdf to the pdf-folder... $form = '<form method="post" action="'.$wgScriptPath.'/index.php">'."\n"; $form .= '<input type="hidden" name="title" value="'.$this->mTitle->getPrefixedDBkey.'" />'."\n"; $form .= '<input type="hidden" name="action" value="w2lpdfsave" />'."\n"; //$form .= '<input type="text" name="w2l-current-file" value="'.$this->tempFolder.'/Main.'.$this->config['output_format'].'" />'."\n"; $form .= '<input type="hidden" name="w2l-tempdir" value="'.$this->tempFolder['piece'].'" />'."\n"; $form .= '<input type="hidden" name="w2l-v-articleid" value="'.$this->mTitle->getArticleId.'" />'."\n"; $form .= '<input type="hidden" name="w2l-v-revid" value="'.$this->mTitle->getLatestRevId.'" />'."\n"; // title should be: // (PAGENAME)_(rev_id)_(TIMESTAMP).(OUTPUTFORMAT) $save_title = $this->mwVars['FULLPAGENAMEE'].'_'.$this->mwVars['REVISIONID'].'_'.$this->mwVars['LOCALTIMESTAMP']; $save_title .= '.'.$this->config['output_format']; $save_title = str_replace('/', '_', $save_title); $form .= ' '; $form .= ' '.wfMsg('w2l_save_legend').' '; //$form .= $form .= wfMsg('w2l_save_filename').' <input type="text" name="w2l-filename" value="'.$save_title.'" style="width:300px;" /> '."\n"; //$form .= wfMsg('w2l_save_comment').' <input type="text" id="w2l-comment" name="w2l-comment" style="width:400px;" /> ';					$form .= ' '; $form .= wfMsg('w2l_save_file'); $form .=' '; $form .= ' '; } else { $form = ''; }			}			chdir($cur_dir); if ($this->config['debug'] == true) { $output .= wfMsg('w2l_debug_info', $this->Parser->getParseTime, $this->Parser->curlyBraceDebugCounter, $this->Parser->curlyBraceLength); }			$output .= $this->getFolderLinks; $wgOut->setPagetitle( wfMsg('w2l_result_title', $title) ); $wgOut->setSubtitle( wfMsg('w2l_result_subtitle', $title) ); $wgOut->addHTML( wfMsg('w2l_export_mode', $this->config['output_format']) ); $wgOut->addHTML( wfMsg('w2l_result_folder', $this->tempFolder['url'], $this->config['output_format'], strtoupper($this->config['output_format'])) );

$wgOut->addHTML( wfMsg('w2l_result_heading') ); $wgOut->addHTML($this->Parser->getErrorMessages); $wgOut->addHTML('<textarea style="height:200px;">'.$msg.' '); if ($form) { $wgOut->addHTML($form); }			$wgOut->addHTML($output); }	}

function onPdfarchive { // 		global $wgOut, $IP, $wgContLang; // Checl if it is enabled... $title = $this->mTitle->getEscapedText; $page_id = $this->mTitle->getArticleId; if ( $this->config['enable_archive'] != true ) { $wgOut->addHTML( wfMsg('w2l_archive_disabled') ); $wgOut->setPagetitle( wfMsg('w2l_archive_title', $title) ); $wgOut->setSubtitle( ' '.wfMsg('w2l_archive_subtitle', $title).' ' ); return false; }

$local_folder = $IP.$this->config['archive_folder'].$page_id; $url = $this->config['archive_folder'].$page_id; //$dir_name = if ( is_dir($local_folder) ) { $files = scandir($local_folder); } else { $files = false; }		//var_dump($files); //$date_pref = $this->mUser->getDatePreference; //var_dump($date_pref); if ( is_array($files) ) { $wgOut->addHTML(' '); } else { $wgOut->addHTML( wfMsg('w2l_archive_no_folder') ); }		// get the folder... $archive_folder = $this->config['archive_path']; $wgOut->setPagetitle( wfMsg('w2l_archive_title', $title) ); $wgOut->setSubtitle( wfMsg('w2l_archive_subtitle', $title) );

}	function onPdfsave { // Save the pdf to the folder, show result, show link to pdfarchive! global $wgOut, $IP; if ( $this->config['enable_archive'] ) { $destination = $IP.$this->config['archive_folder'];//$this->config['pdfarchive_path'] //$filename = str_replace('/', '_', ); $page_id = $this->mTitle->getArticleId;//Values->getVal('w2l-v-articleid'); //var_dump($this->mTitle); $folder = $destination.$page_id.'/'; $filename = $folder.$this->mValues->getVal('w2l-filename'); if ( !is_dir($folder) ) { mkdir($folder); chmod($folder, 0777); }			$source = $IP.$this->config['temp_folder'].$this->mValues->getVal('w2l-tempdir').'/Main.'.$this->config['output_format'];

$state = copy($source, $filename); chmod ($filename, 0777); if ( true == $state ) { $wgOut->setPagetitle( wfMsg('w2l_archive_title', $title) ); $wgOut->setSubtitle( wfMsg('w2l_archive_subtitle', $title) ); $wgOut->addHTML( wfMsg('w2l_archive_save_success', $this->config['archive_folder'].$page_id.'/'.$this->mValues->getVal('w2l-filename') ) ); return true; }		} else { $wgOut->setPagetitle( wfMsg('w2l_archive_title', $title) ); $wgOut->setSubtitle( wfMsg('w2l_archive_subtitle', $title) ); $wgOut->addHTML( wfMsg('w2l_archive_disabled') ); return false; }	}	function onArchivedelete { global $wgOut, $IP; if ( $this->config['enable_archive'] ) { $destination = $IP.$this->config['archive_folder'];//$this->config['pdfarchive_path'] //$filename = str_replace('/', '_', ); $file = $destination.$this->mValues->getVal('w2lfile'); //var_dump($this->mTitle); $folder = dirname($file); if (is_file($file)) { $state = unlink($file); }			// check if the folder is empty... // remove it if neccessary $d = dir($folder); $remove = true; while (false !== ($entry = $d->read)) { //echo $entry; //echo is_file($d->path.'/'.$entry); if (is_file($d->path.'/'.$entry) ) { $remove = false; }			}			if ($remove) { rmdir($folder); }			$d->close;

if ( true == $state ) { $wgOut->setPagetitle( wfMsg('w2l_archive_title', $title) ); $wgOut->setSubtitle( wfMsg('w2l_archive_subtitle', $title) ); $wgOut->addHTML( wfMsg('w2l_archive_delete_success' ) ); return true; }		} else { $wgOut->setPagetitle( wfMsg('w2l_archive_title', $title) ); $wgOut->setSubtitle( wfMsg('w2l_archive_subtitle', $title) ); $wgOut->addHTML( wfMsg('w2l_archive_disabled') ); return false; }	}

function onCleartempfolder { global $IP, $wgOut; echo "yes"; $dir = $IP.$this->config['temp_folder']; $state = $this->full_rmdir($dir, false); if ($state) { $wgOut->redirect($this->mTitle->getLocalUrl( 'action=w2llatexform&deletesuccess=true' )); } else { $wgOut->redirect($this->mTitle->getLocalUrl( 'action=w2llatexform&deletesuccess=false' )); }		return true; }	// Our helperfunctions function full_rmdir( $dir, $del_dir = true ) { // Code from: // http://de.php.net/manual/en/function.rmdir.php // By: // swizec at swizec dot com (31-Jul-2007 03:53) if ( !is_writable( $dir ) ) { if ( !@chmod( $dir, 0777 ) ) { return FALSE; }		}

$d = dir( $dir ); while ( FALSE !== ( $entry = $d->read ) ) { if ( $entry == '.' || $entry == '..' ) { continue; }			$entry = $dir. '/' . $entry; if ( is_dir( $entry ) ) { if ( !$this->full_rmdir( $entry ) ) { return FALSE; }				continue; }			if ( !@unlink( $entry ) ) { $d->close; return FALSE; }		}

$d->close; if ($del_dir) { rmdir( $dir ); }		return TRUE; }

function createMagicTemplate { $packages = $this->Parser->getUsePackageBlock; $code = $this->Parser->getLatexHeadCode; $tmpl = <<<EOF

LaTeX-Template
<latexfile name="Main"> \documentclass[12pt,a4paper]{scrartcl} \usepackage[utf8x]{inputenc} % This is very important! \usepackage[T1]{fontenc}

((W2L_REQUIRED_PACKAGES))

((W2L_HEAD))

\begin{document} ((W2L_CONTENT)) \end{document} EOF; $tmpl = str_replace('((W2L_REQUIRED_PACKAGES))', $packages, $tmpl); $tmpl = str_replace('((W2L_HEAD))', $code, $tmpl); return $tmpl; }	public function getTemplateVars( $text ) { $vars = array;

$parts = explode('<templatevar vname="', " ".$text);		array_shift($parts);		foreach ($parts as $part) {			$var = explode('">', $part); $var_name = $var[0]; $tmp = explode(" ", $var[1], 2); $var_content = $tmp[0]; $vars[$var_name] = $var_content; }		return $vars; }

public function prepareVariables {

global $wgContLang, $wgSitename, $wgServer, $wgServerName, $wgScriptPath; global $wgContLanguageCode; global $wgTitle;

$this->mRevisionId = $this->mTitle->getLatestRevID;//RevisionId = 23;

$ts = time;

# Use the time zone global $wgLocaltimezone; if ( isset( $wgLocaltimezone ) ) { $oldtz = getenv( 'TZ' ); putenv( 'TZ='.$wgLocaltimezone ); }

wfSuppressWarnings; // E_STRICT system time bitching $localTimestamp = date( 'YmdHis', $ts ); $localMonth = date( 'm', $ts ); $localMonthName = date( 'n', $ts ); $localDay = date( 'j', $ts ); $localDay2 = date( 'd', $ts ); $localDayOfWeek = date( 'w', $ts ); $localWeek = date( 'W', $ts ); $localYear = date( 'Y', $ts ); $localHour = date( 'H', $ts ); if ( isset( $wgLocaltimezone ) ) { putenv( 'TZ='.$oldtz ); }		wfRestoreWarnings;

// some simpler ones...

$w2lVars = array(			'currentmonth' => $wgContLang->formatNum( gmdate( 'm', $ts ) ),			'currentmonthname' => $wgContLang->getMonthName( gmdate( 'n', $ts ) ),			'currentmonthnamegen'=> $wgContLang->getMonthNameGen( gmdate( 'n', $ts ) ),			'currentmonthabbrev'=> $wgContLang->getMonthAbbreviation( gmdate( 'n', $ts ) ),			'currentday'=> $wgContLang->formatNum( gmdate( 'j', $ts ) ),			'currentday2'=> $wgContLang->formatNum( gmdate( 'd', $ts ) ),			'localmonth'=>$wgContLang->formatNum( $localMonth ),			'localmonthname' => $wgContLang->getMonthName( $localMonthName ),			'localmonthnamegen'=> $wgContLang->getMonthNameGen( $localMonthName ),			'localmonthabbrev'=> $wgContLang->getMonthAbbreviation( $localMonthName ),			'localday'=> $wgContLang->formatNum( $localDay ),			'localday2' => $wgContLang->formatNum( $localDay2 ),			'pagename' => wfEscapeWikiText( $this->mTitle->getText ),			'pagenamee'=>$this->mTitle->getPartialURL, 'fullpagename' =>wfEscapeWikiText( $this->mTitle->getPrefixedText ), 'fullpagenamee' => $this->mTitle->getPrefixedURL, 'subpagename' => wfEscapeWikiText( $this->mTitle->getSubpageText ), 'subpagenamee' => $this->mTitle->getSubpageUrlForm, 'basepagename' => wfEscapeWikiText( $this->mTitle->getBaseText ), 'basepagenamee' => wfUrlEncode( str_replace( ' ', '_', $this->mTitle->getBaseText ) ), 'revisionid' => $this->mRevisionId, 'revisionday' => intval( substr( $this->getRevisionTimestamp, 6, 2 ) ), 'revisionday2' => substr( $this->getRevisionTimestamp, 6, 2 ), 'revisionmonth' => intval( substr( $this->getRevisionTimestamp, 4, 2 ) ), 'revisionyear' => substr( $this->getRevisionTimestamp, 0, 4 ), 'revisiontimestamp' => $this->getRevisionTimestamp, 'namespace' => str_replace('_',' ',$wgContLang->getNsText( $this->mTitle->getNamespace ) ), 'namespacee' => wfUrlencode( $wgContLang->getNsText( $this->mTitle->getNamespace ) ), 'talkspace' => $this->mTitle->canTalk ? str_replace('_',' ',$this->mTitle->getTalkNsText) : '', 'talkspacee' => $this->mTitle->canTalk ? wfUrlencode( $this->mTitle->getTalkNsText ) : '', 'subjectspace' => $this->mTitle->getSubjectNsText, 'subjectspacee' =>wfUrlencode( $this->mTitle->getSubjectNsText ), 'currentdayname' => $wgContLang->getWeekdayName( gmdate( 'w', $ts ) + 1 ), 'currentyear' => $wgContLang->formatNum( gmdate( 'Y', $ts ), true ), 'currenttime' => $wgContLang->time( wfTimestamp( TS_MW, $ts ), false, false ), 'currenthour' => $wgContLang->formatNum( gmdate( 'H', $ts ), true ), 'currentweek'=> $wgContLang->formatNum( (int)gmdate( 'W', $ts ) ), 'currentdow'=>$wgContLang->formatNum( gmdate( 'w', $ts ) ), 'localdayname'=> $wgContLang->getWeekdayName( $localDayOfWeek + 1 ), 'localyear' => $wgContLang->formatNum( $localYear, true ), 'localtime' => $wgContLang->time( $localTimestamp, false, false ), 'localhour' => $wgContLang->formatNum( $localHour, true ), 'localweek' => $wgContLang->formatNum( (int)$localWeek ), 'localdow' =>$wgContLang->formatNum( $localDayOfWeek ), 'numberofarticles' => $wgContLang->formatNum( SiteStats::articles ), 'numberoffiles' =>$wgContLang->formatNum( SiteStats::images ), 'numberofusers' => $wgContLang->formatNum( SiteStats::users ), 'numberofpages' => $wgContLang->formatNum( SiteStats::pages ), 'numberofadmins' => $wgContLang->formatNum( SiteStats::admins ), 'numberofedits' =>$wgContLang->formatNum( SiteStats::edits ), 'currenttimestamp' => wfTimestampNow, 'localtimestamp' => $localTimestamp, 'currentversion' => SpecialVersion::getVersion, 'sitename' =>$wgSitename, 'server' => $wgServer, 'servername' => $wgServerName, 'scriptpath' =>$wgScriptPath, 'directionmark' => $wgContLang->getDirMark, 'contentlanguage' => $wgContLanguageCode );		// These are a bit more complicated...		//case 'talkpagename':		if( $this->mTitle->canTalk ) {			$talkPage = $this->mTitle->getTalkPage;			$talkpagename = wfEscapeWikiText( $talkPage->getPrefixedText );		} else {			$talkpagename =  '';		}		$w2lVars['talkpagename'] = $talkpagename;

//case 'talkpagenamee': if( $this->mTitle->canTalk ) { $talkPage = $this->mTitle->getTalkPage; $talkpagenamee = $talkPage->getPrefixedUrl; } else { $talkpagenamee = ''; }		$w2lVars['talkpagenamee'] = $talkpagenamee;

//case 'subjectpagename': $subjPage = $this->mTitle->getSubjectPage; $w2lVars['subjectpagename'] = wfEscapeWikiText( $subjPage->getPrefixedText ); $w2lVars['subjectpagenamee'] = $subjPage->getPrefixedUrl;

return array_change_key_case($w2lVars, CASE_UPPER); }

function getRevisionTimestamp { // At this point, we're dealing only with current articles. // Needs to be changed, if oldid support is integrated!!! // Required for prepareVariables return $this->mArticle->getTimestamp; }	public function getTempFolder { global $IP; // get the name of the temporary folder $piece = "tmp-".time."-".rand; $this->tempFolder['piece'] = $piece; $this->tempFolder['local'] = $IP.$this->config['temp_folder'].$piece; $this->tempFolder['url']  = $this->config['temp_folder'].$piece;

return true; }	public function createTemplateFiles($template) { // extract all the files, which are in it // AND: All the files, that need to be stripped out of other pages... // required latexfiles: $other_files = $this->getTagContents($template, 'latexpage'); //print_r($other_files);

$template = ' '.$template; $template_sec = explode('<latexfile name="', $template);

array_shift($template_sec);//print_r($template_sec); //print_r($the_files); $files = array; //$ext_dir = "extensions/wiki2latex"; //$mytemp = $ext_dir."/tmp/tmp-".time."-".rand; $mytemp = $this->tempFolder['local']; $this->path = $mytemp; //echo $mytemp; mkdir($mytemp); chmod($mytemp, 0777); // die anderen Dateien foreach ($other_files as $file) { $file_content = $this->getWiki($file); $tmp_content = $this->getTagContents($file_content, "latex"); $file_name = str_replace("LaTeX:", "", $file); $file_name .= ".tex"; $files[$file_name] = trim($tmp_content[0]); }		// Die Dateien aus dem Template foreach ($template_sec as $file_info) {

$file = explode('">', $file_info,2);			$file_name = $file[0].".tex";

$file_content = explode(' ', $file[1],2); $files[$file_name] = trim($file_content[0]);

}

return $files; }

public function getParserConfig { $config = array; $keys = array(			'use_paralist',			'typographic_quotes_detect',			'leave_noinclude',			'insert_includeonly',			'process_curly_braces',			'documentclass'		);

foreach($keys as $key) { $config[$key] = $this->mValues->getVal($key); }		return $config; }

public function getTagContents($string, $tag) { $string = " ".$string; $open_tag = "<".$tag.">"; $close_tag = "</".$tag.">"; $contents = explode($open_tag, $string); $tags = array; array_shift($contents);

foreach ($contents as $tag_content) { $tag_content2 = explode($close_tag, $tag_content,2); $tags[] = $tag_content2[0]; }		return $tags; }

public function getTemplate($id) { $title = Title::newFromID( $id ); $rev = new Article( &$title, 0 ); $text = $rev->getContent; return $text; }

public function getWiki($title_str) { $title = Title::newFromText( $title_str ); $rev = new Article( &$title, 0 ); $text = $rev->getContent; return $text; }	public function getFolderLinks { $output = ' '; if ( $this->config['enable_archive']) { $output .= '<a href="'.$this->config['archive_folder'].'">(PDF-Archive)</a> '; }		$output .= '<a href="'.$this->config['temp_folder'].'">(temporary files)</a> '; $output .= '<a href="'.$this->mTitle->getLocalUrl( 'action=w2lcleartempfolder' ).'" onclick="return confirm(\''.wfMsg('w2l_delete_confirmation').'\');">('.wfMsg('w2l_form_delete_link').')</a>'; $output .= ' '; return $output; }	public function chmodFolder($folder, $mod = 0777) { // latex might leave some files, which have to be chmodded... if ( is_dir($folder) ) { $directory = dir($folder); while (false !== ($file = $directory->read)) { if ( is_file($file) ) chmod($file, $mod); }			$directory->close; return true; } else { return false; }	} }