Extension:Wiki2LaTeX/Development/w2lLaTeXUtil.php

<?php
/*
 * Created on 02.03.2007
 *
 * 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.
 * 
 * This file contains some parserextensions for mediawiki to teach it some LaTeX.
 */
if ( !defined('MEDIAWIKI') )
        die();

/* W2l-Parser-Extensions */
// Within the folder, there needs to be geshi... needs to be documented better
if ( !class_exists( "GeSHi" ) AND $w2l_config['enable_geshi'] ) {
        require_once('geshi.php');
}

$wgExtensionFunctions[] = "w2lParserExtensions";

function w2lParserExtensions() {
        global $wgParser;
        $wgParser->setHook("templatevar", array('w2l_extensions', "TemplateVar"));    
        $wgParser->setHook("latex",       array('w2l_extensions', "Latex"));
        $wgParser->setHook("latexpage",   array('w2l_extensions', "LatexPage"));
        $wgParser->setHook("rawtex",      array('w2l_extensions', "RawTex"));  
        $wgParser->setHook("latexfile",   array('w2l_extensions', "LatexFile"));    
        $wgParser->setHook("noindent",    array('w2l_extensions', "NoIndent"));
        $wgParser->setHook("newpage",     array('w2l_extensions', "NewPage"));
        $wgParser->setHook("label",       array('w2l_extensions', "Label"));
        $wgParser->setHook("pageref",     array('w2l_extensions', "PageRef"));
        $wgParser->setHook("chapref",     array('w2l_extensions', "ChapRef"));
}

class w2l_extensions {
        
        function Latex($input, $argv, &$parser, $mode = 'wiki') {
                $input = trim($input);
                $geshi = new GeSHi($input, '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 = $geshi->parse_code();
                return $output;
        }
        
        function LatexPage($input, $argv, &$parser, $mode = 'wiki') {
                
                switch ($mode) {
                        case 'wiki':
                                $output = "<p><strong>Benoetigte Datei</strong>: ".$input."</p>";
                                $output = "'''Benötigte Datei''': [[".$input."]]";
                                $output = $parser->recursiveTagParse($output);
                                return $output;
                        break;
                        case 'latex': $output = '';
                        break;
                        default: echo $mode;
                }
        }
        
        function LatexFile($input, $argv, &$parser, $mode = 'wiki') {
                $output = '<strong>Dateiname:</strong> '.$argv['name'].'.tex';
                $input = trim($input);
                $geshi = new GeSHi($input, '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.= $geshi->parse_code();
                return $output;
        }

        function TemplateVar($input, $argv, &$parser, $mode = 'wiki') {
                $output = "<p><strong>".$argv['vname']."</strong>: ".$input."</p>";
                return $output;
        }

        // Latex-Befehle für Wiki
        function NoIndent($input, $argv, &$parser, $mode = 'wiki') {
                switch($mode) {
                        case 'latex':
                                return '{\noindent}';
                        default:
                                return "";
                }  
        }
        
        function NewPage($input, $argv, &$parser, $mode = 'wiki') {
                switch($mode) {
                        case 'latex':
                                return '\newpage{}';
                        default:
                                return '';
                }
        }
        
        function Label($input, $argv, &$parser, $mode = 'wiki') {
                switch($mode) {
                        case 'latex': 
                                $output = '\label{'.$input.'}';
                        break;
                        default:  
                                $output = ' <strong>(Anker: '.$input.'<a id="'.$input.'"></a>)</strong>';
                        break;
                }   
                return $output;
        }
        
        function PageRef($input, $argv, &$parser, $mode = 'wiki') {
                switch($mode) {
                        case 'latex': 
                                $output = '\page{'.$input.'}';
                        break;
                        default:  
                                $output = '<a href="#'.$input.'" title="'.$input.'">S. XX</a>';
                        break;
                }   
                return $output;
        }
        
        function ChapRef($input, $argv, &$parser, $mode = 'wiki') {
                switch($mode) {
                        case 'latex': 
                                $output = '\ref{'.$input.'}';
                        break;
                        default:  
                                $output = '<a href="#'.$input.'" title="'.$input.'">X.Y</a>';
                        break;
                }   
                return $output;
        }
        
        function Rawtex($input, $argv, &$parser, $mode = 'wiki') {
                global $w2l_config;
                switch ($mode) {
                        case 'latex': $output = $input;
                        break;
                        case 'wiki': 
                                $input = trim($input);
                                if ( $w2l_config['enable_geshi'] == true ) {
                                $geshi = new GeSHi($input, '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 = $geshi->parse_code();
                                } else {
          $output = $input;
        }
                        break;
                        default: $output = $input;
                        break;
                }
                return $output;
        }

        function EmptyTag($input, $argv, &$parser, $mode = 'wiki') {
                if ( $mode == 'latex' ) {
                        return '';
                } else {
                        return $input;
                }
        }
}

/*
 * The following extensions are intended only to be used in the w2l-parser.
 * They try to be behave as expected under latex-circumstances.
 */ 
//
class w2l_mwext_support {

        function ref($input, $argv, &$parser, $mode = 'wiki') {
                $input = $parser->recursiveTagParse($input);
                return '\footnote{'.trim($input).'}';
        }

        function pre($input, $argv, &$parser, $mode = 'wiki') {
                //$input = $parser->recursiveTagParse($input);
                $output  = "\n\begin{verbatim}\n";
                $output .= trim($input)."\n";
                $output .= "\end{verbatim}\n";
                return $output;
        }

        function sourcecode($input, $argv, &$parser, $mode = 'wiki') {
               //$input = $parser->recursiveTagParse($input);
               $language=$argv['lang'];
               $output  = "\lstset{language=$language}\n\\begin{lstlisting}\n";
               $output .= $input;
               $output .= "\\end{lstlisting}\n";
               return $output;
       }
        
        function references($input, $argv, &$parser, $mode = 'wiki') {
                return '';
        }
        
        function subpages($input, $argv, &$parser, $mode = 'wiki') {
                return '';
        }
        
        function math($input, $argv, &$parser, $mode = 'wiki') {
                $output  = "\n\begin{math}\n";
                $output .= trim($input)."\n";
                $output .= "\end{math}\n";
                return $output;
        }
}