loncom/xml/londefdef.pm - view

File: [LON-CAPA] / loncom / xml / londefdef.pm
Revision 1.75: download - view: text, annotated - select for diffs
Tue Jul 23 19:15:08 2002 UTC (21 years, 9 months ago) by sakharuk
Branches: MAIN
CVS tags: HEAD

Added correction for the <br /> tag inside the math mode (inside <sub></sub> or <sup></sup>.

# The LearningOnline Network with CAPA # Tags Default Definition Module # # $Id: londefdef.pm,v 1.75 2002/07/23 19:15:08 sakharuk Exp $ # # # Copyright Michigan State University Board of Trustees # # This file is part of the LearningOnline Network with CAPA (LON-CAPA). # # LON-CAPA 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. # # LON-CAPA is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with LON-CAPA; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # /home/httpd/html/adm/gpl.txt # # http://www.lon-capa.org/ # # Copyright for TtHfunc and TtMfunc by Ian Hutchinson. # TtHfunc and TtMfunc (the "Code") may be compiled and linked into # binary executable programs or libraries distributed by the # Michigan State University (the "Licensee"), but any binaries so # distributed are hereby licensed only for use in the context # of a program or computational system for which the Licensee is the # primary author or distributor, and which performs substantial # additional tasks beyond the translation of (La)TeX into HTML. # The C source of the Code may not be distributed by the Licensee # to any other parties under any circumstances. # # # last modified 06/26/00 by Alexander Sakharuk # 11/6,11/30,02/01/01,5/4 Gerd Kortemeyer # 01/18 Alex Sakharuk package Apache::londefdef; use Apache::lonnet; use strict; use Apache::lonxml; use Apache::File(); use Image::Magick; BEGIN { &Apache::lonxml::register('Apache::londefdef',('m','html','head','map','select','option','input','textarea','form','meta','title','body','center','b','strong','dt','h1','h2','h3','h4','h5','h6','cite','i','address','dd','dl','dir','ol','ul','menu','dfn','kbd','tt','code','em','q','p','br','big','small','basefont','font','s','sub','strike','sup','hr','a','li','u','output','param','applet','img','embed','allow','frameset','pre','insert','externallink','table','tr','th','td','blankspace','bubble','bubbles','bubbleline')); } #======================= TAG SUBROUTINES ===================== #-- <output> sub start_output { my ($target) = @_; if ($target eq 'meta') { $Apache::lonxml::metamode--; } return ''; } sub end_output { my ($target) = @_; if ($target eq 'meta') { $Apache::lonxml::metamode++; } return ''; } #-- <m> tag sub start_m { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { $Apache::lonxml::prevent_entity_encode++; my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser); $inside ='\\documentstyle{article}'.$inside; &Apache::lonxml::debug("M is starting with:$inside:"); my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval); if ($eval eq 'on') { $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]); #&Apache::lonxml::debug("M is evaulated to:$inside:"); } $currentstring = &Apache::lontexconvert::converted(\$inside); if ($Apache::lontexconvert::errorstring) { &Apache::lonxml::warning("tth error: ". $Apache::lontexconvert::errorstring); $Apache::lontexconvert::errorstring=''; } #&Apache::lonxml::debug("M is ends with:$currentstring:"); } elsif ($target eq 'tex') { $currentstring = &Apache::lonxml::get_all_text_unbalanced("/m",$parser); } else { my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser); } return $currentstring; } sub end_m { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $Apache::lonxml::prevent_entity_encode--; } elsif ($target eq 'tex') { $currentstring = ""; } elsif ($target eq 'meta') { } return $currentstring; } #-- <html> tag sub start_html { my ($target,$token) = @_; my $currentstring = ''; if ($ENV{'browser.mathml'}) { &tth::ttminit(); } else { &tth::tthinit(); } if ($target eq 'web') { $currentstring = &Apache::lonxml::xmlbegin(). &Apache::lonxml::fontsettings(); } elsif ($target eq 'tex') { @Apache::londefdef::table = (); $currentstring .= '\documentclass[letterpaper]{article} \newcommand{\keephidden}[1]{} \usepackage[dvips]{graphicx} \usepackage{epsfig}\usepackage{calc}'; } return $currentstring; } sub end_html { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = &Apache::lonxml::xmlend(); } return $currentstring; } #-- <head> tag sub start_head { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } return $currentstring; } sub end_head { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = &Apache::lonxml::registerurl(undef,$target). $token->[2]; } return $currentstring; } #-- <map> tag sub start_map { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } return $currentstring; } sub end_map { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } return $currentstring; } #-- <select> tag sub start_select { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } return $currentstring; } sub end_select { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } return $currentstring; } #-- <option> tag sub start_option { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } return $currentstring; } sub end_option { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } return $currentstring; } #-- <input> tag sub start_input { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } return $currentstring; } sub end_input { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } return $currentstring; } #-- <textarea> tag sub start_textarea { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } return $currentstring; } sub end_textarea { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } return $currentstring; } #-- <form> tag sub start_form { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } return $currentstring; } sub end_form { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } return $currentstring; } #-- <title> tag sub start_title { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { $currentstring .= '\keephidden{' } if ($target eq 'meta') { $currentstring='<title>'; &start_output(); } return $currentstring; } sub end_title { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { $currentstring .= '}'; } if ($target eq 'meta') { &end_output(); $currentstring='</title>'; } return $currentstring; } #-- <meta> tag sub start_meta { my ($target,$token,$tagstack,$parstack,$parser) = @_; my $currentstring = ''; if ($target eq 'web') { my $args=''; if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; } if ($args eq '') { &Apache::lonxml::get_all_text("/meta",$$parser[$#$parser]); } else { $currentstring = $token->[4]; } } if ($target eq 'meta') { unless ($token->[2]->{'http-equiv'}) { my $name=$token->[2]->{'name'}; $name=~tr/A-Z/a-z/; $name=~s/\s/\_/g; if ($name) { $currentstring='<'.$name.'>'. $token->[2]->{'content'}. '</'.$name.'>'; } } } return $currentstring; } sub end_meta { my ($target,$token,$tagstack,$parstack,$parser) = @_; my $currentstring = ''; if ($target eq 'web') { my $args=''; if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; } if ($args ne '') { $currentstring = $token->[4]; } } return $currentstring; } #-- <body> tag sub start_body { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; # my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { if (!$Apache::lonxml::registered) { $currentstring.='<head>'. &Apache::lonxml::registerurl(undef,$target).'</head>'; } my $onLoad=''; foreach my $key (keys(%{$token->[2]})) { if ($key =~ /^onload$/i) { $onLoad.=$token->[2]->{$key}.';'; delete($token->[2]->{$key}); } } $token->[2]->{'onLoad'}=&Apache::lonxml::loadevents(). ';'.$onLoad; my $onUnload=''; foreach my $key (keys(%{$token->[2]})) { if ($key =~ /^onunload$/i) { $onUnload.=$token->[2]->{$key}.';'; delete($token->[2]->{$key}); } } $token->[2]->{'onUnload'}=&Apache::lonxml::unloadevents(). ';'.$onUnload; $currentstring .= '<'.$token->[1]; foreach (keys %{$token->[2]}) { $currentstring.=' '.$_.'="'.$token->[2]->{$_}.'"'; } $currentstring.='>'; if ($ENV{'request.state'} ne 'published') { $currentstring.=(<<EDITBUTTON); <form method="post"> <input type="submit" name="editmode" value="Edit" /> </form> EDITBUTTON } } elsif ($target eq 'tex') { $currentstring = '\begin{document}'; } return $currentstring; } sub end_body { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { $currentstring = '\end{document}'; } return $currentstring; } #-- <center> tag sub start_center { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { $currentstring = '\begin{center}'; } elsif ($target eq 'latexsource') { $currentstring = '\begin{center}'; } return $currentstring; } sub end_center { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { $currentstring = '\end{center}'; } elsif ($target eq 'latexsource') { $currentstring = '\end{center}'; } return $currentstring; } #-- <b> tag sub start_b { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { $currentstring = '\textbf{'; } elsif ($target eq 'latexsource') { $currentstring = '\textbf{'; } return $currentstring; } sub end_b { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { $currentstring = '}'; } elsif ($target eq 'latexsource') { $currentstring = '}'; } return $currentstring; } #-- <strong> tag sub start_strong { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { $currentstring = '\textbf{'; } elsif ($target eq 'latexsource') { $currentstring = '\textbf{'; } return $currentstring; } sub end_strong { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { $currentstring = '}'; } elsif ($target eq 'latexsource') { $currentstring = '}'; } return $currentstring; } #-- <h1> tag sub start_h1 { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= '\large{\textbf{'; } elsif ($target eq 'meta') { $currentstring='<subject>'; &start_output(); } return $currentstring; } sub end_h1 { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= '}}'; } elsif ($target eq 'meta') { &end_output(); $currentstring='</subject>'; } return $currentstring; } #-- <h2> tag sub start_h2 { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= '\large{\textbf{'; } return $currentstring; } sub end_h2 { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= '}}'; } return $currentstring; } #-- <h3> tag sub start_h3 { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= '\large{\textbf{'; } return $currentstring; } sub end_h3 { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= '}}'; } return $currentstring; } #-- <h4> tag sub start_h4 { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= '\large{\textbf{'; } return $currentstring; } sub end_h4 { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= '}}'; } return $currentstring; } #-- <h5> tag sub start_h5 { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= '\large{\textbf{'; } return $currentstring; } sub end_h5 { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= '}}'; } return $currentstring; } #-- <h6> tag sub start_h6 { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= '\large{\textbf{'; } return $currentstring; } sub end_h6 { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= '}}'; } return $currentstring; } #--- <cite> tag sub start_cite { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= "\\textit{"; } elsif ($target eq 'latexsource') { $currentstring .= "\\textit{"; } return $currentstring; } sub end_cite { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= "}"; } elsif ($target eq 'latexsource') { $currentstring .= "}"; } return $currentstring; } #-- <i> tag sub start_i { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= '\textit{'; } elsif ($target eq 'latexsource') { $currentstring .= '\textit{'; } return $currentstring; } sub end_i { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= '}'; } elsif ($target eq 'latexsource') { $currentstring .= '}'; } return $currentstring; } #-- <address> tag sub start_address { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= "\\textit{"; } elsif ($target eq 'latexsource') { $currentstring .= "\\textit{"; } return $currentstring; } sub end_address { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= "}"; } elsif ($target eq 'latexsource') { $currentstring .= "}"; } return $currentstring; } #-- <dfn> tag sub start_dfn { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= "\\textit{"; } elsif ($target eq 'latexsource') { $currentstring .= "\\textit{"; } return $currentstring; } sub end_dfn { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= "}"; } elsif ($target eq 'latexsource') { $currentstring .= "}"; } return $currentstring; } #-- <tt> tag sub start_tt { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= '\texttt{'; } elsif ($target eq 'latexsource') { $currentstring .= '\texttt{'; } return $currentstring; } sub end_tt { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= '}'; } elsif ($target eq 'latexsource') { $currentstring .= '}'; } return $currentstring; } #-- <kbd> tag sub start_kbd { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= "\\texttt"; } elsif ($target eq 'latexsource') { $currentstring .= "\\texttt{"; } return $currentstring; } sub end_kbd { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= "}"; } elsif ($target eq 'latexsource') { $currentstring .= "}"; } return $currentstring; } #-- <code> tag sub start_code { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= '\texttt{'; } return $currentstring; } sub end_code { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= '}'; } return $currentstring; } #-- <em> tag sub start_em { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= '\emph{'; } elsif ($target eq 'latexsource') { $currentstring .= '\emph{'; } return $currentstring; } sub end_em { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= '}'; } elsif ($target eq 'latexsource') { $currentstring .= '}'; } return $currentstring; } #-- <q> tag sub start_q { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= "\\emph{"; } elsif ($target eq 'latexsource') { $currentstring .= "\\emph{"; } return $currentstring; } sub end_q { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= "}"; } elsif ($target eq 'latexsource') { $currentstring .= "}"; } return $currentstring; } #-- <p> tag sub start_p { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= '{\par '; } elsif ($target eq 'latexsource') { $currentstring .= '{\par '; } return $currentstring; } sub end_p { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= '}'; } elsif ($target eq 'latexsource') { $currentstring .= '}'; } return $currentstring; } #-- <br> tag sub start_br { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { my @temp = @$tagstack; if ($temp[-2] ne 'sub' && $temp[-2] ne 'sup') { $currentstring .= '\vskip 0 mm'; } } elsif ($target eq 'latexsource') { $currentstring .= '\\'; } return $currentstring; } sub end_br { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } return $currentstring; } #-- <big> tag sub start_big { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= '\large{'; } elsif ($target eq 'latexsource') { $currentstring .= '{\Large '; } return $currentstring; } sub end_big { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= '}'; } elsif ($target eq 'latexsource') { $currentstring .= '}'; } return $currentstring; } #-- <small> tag sub start_small { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= '{\footnotesize '; } elsif ($target eq 'latexsource') { $currentstring .= '{\footnotesize '; } return $currentstring; } sub end_small { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= '}'; } elsif ($target eq 'latexsource') { $currentstring .= '}'; } return $currentstring; } #-- <basefont> tag sub start_basefont { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } return $currentstring; } sub end_basefont { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } return $currentstring; } #-- <font> tag sub start_font { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $currentstring = ''; if ($target eq 'web') { my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval); if ($face=~/symbol/i) {$Apache::lonxml::prevent_entity_encode++;} $currentstring = $token->[4]; } return $currentstring; } sub end_font { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $currentstring = ''; if ($target eq 'web') { my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval); if ($face=~/symbol/i) {$Apache::lonxml::prevent_entity_encode--;} $currentstring = $token->[2]; } return $currentstring; } #-- <strike> tag sub start_strike { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= "{\\underline "; } return $currentstring; } sub end_strike { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= " }"; } return $currentstring; } #-- <s> tag sub start_s { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= "{\\underline "; } return $currentstring; } sub end_s { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= " }"; } return $currentstring; } #-- <sub> tag sub start_sub { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= "\$_{ "; } return $currentstring; } sub end_sub { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= " }\$"; } return $currentstring; } #-- <sup> tag sub start_sup { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= "\$^{ "; } return $currentstring; } sub end_sup { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= " }\$"; } return $currentstring; } #-- <hr> tag sub start_hr { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= '\vskip 0 mm \noindent\makebox[\textwidth - 8 mm][b]{\hrulefill}'; } return $currentstring; } sub end_hr { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { } return $currentstring; } #-- <a> tag sub start_a { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { } return $currentstring; } sub end_a { my ($target,$token,$tagstack,$stackref) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { my $tempor_var = $stackref->[$#$stackref]; if (index($tempor_var,'name') != -1 ) { $tempor_var =~ s/name=([^,]*),/$1/g; # $currentstring .= " \\label{$tempor_var}"; } elsif (index($tempor_var,'href') != -1 ) { $tempor_var =~ s/href=([^,]*),/$1/g; $currentstring .= " \\ref{$tempor_var}"; } } return $currentstring; } #-- <li> tag sub start_li { my ($target,$token,$tagstack,$stackref) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { my $tempor_var = $stackref->[$#$stackref]; if (index($tempor_var,'circle') != -1 ) { $currentstring .= " \\item[o] "; } elsif (index($tempor_var,'square') != -1 ) { $currentstring .= " \\item[$\Box$] "; } elsif ($tempor_var ne '') { $_ = $tempor_var; m/my\s*([^=]*)=/; $currentstring .= " \\item[$1] "; } else { $currentstring .= " \\item "; } } return $currentstring; } sub end_li { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } return $currentstring; } #-- <u> tag sub start_u { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= "{\\underline "; } return $currentstring; } sub end_u { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= " }"; } return $currentstring; } #-- <ul> tag sub start_ul { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { $currentstring = '\begin{itemize}'; } return $currentstring; } sub end_ul { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { $currentstring = '\end{itemize}'; } return $currentstring; } #-- <menu> tag sub start_menu { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { $currentstring = " \\begin{itemize} "; } return $currentstring; } sub end_menu { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { $currentstring = " \\end{itemize}"; } return $currentstring; } #-- <dir> tag sub start_dir { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { $currentstring = " \\begin{itemize} "; } return $currentstring; } sub end_dir { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { $currentstring = " \\end{itemize}"; } return $currentstring; } #-- <ol> tag sub start_ol { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { $currentstring = '\begin{enumerate}'; } return $currentstring; } sub end_ol { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { $currentstring = '\end{enumerate}'; } return $currentstring; } #-- <dl> tag sub start_dl { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { $currentstring = '\begin{description}'; } return $currentstring; } sub end_dl { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { $currentstring = '\end{description}'; } return $currentstring; } #-- <dt> tag sub start_dt { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { $currentstring = '\item['; } return $currentstring; } sub end_dt { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { $currentstring = ']'; } return $currentstring; } #-- <dd> tag sub start_dd { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } return $currentstring; } sub end_dd { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } return $currentstring; } #-- <table> tag sub start_table { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { my $aa = {}; push @Apache::londefdef::table, $aa; $Apache::londefdef::table[-1]{'row_number'} = -1; $Apache::londefdef::table[-1]{'output'} = '\begin{tabular} '; my $border = &Apache::lonxml::get_param('border',$parstack,$safeeval); unless (defined $border) { $border = 0; } if ($border) { $Apache::londefdef::table[-1]{'hinc'} = '\hline '; $Apache::londefdef::table[-1]{'vinc'} = '&'; $Apache::londefdef::table[-1]{'vvinc'} = '|'; } else { $Apache::londefdef::table[-1]{'hinc'} = ''; $Apache::londefdef::table[-1]{'vinc'} = '&'; $Apache::londefdef::table[-1]{'vvinc'} = ''; } } return $currentstring; } sub end_table { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { my $inmemory = ''; my $output = ''; my $header_of_table = '{'.$Apache::londefdef::table[-1]{'vvinc'}; my $in; for ($in=0;$in<=$Apache::londefdef::table[-1]{'counter_columns'};$in++) { $header_of_table .= $Apache::londefdef::table[-1]{'columns'}[$in].$Apache::londefdef::table[-1]{'vvinc'}; } $header_of_table .= '}'; for ($in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) { $output .= $Apache::londefdef::table[-1]{'rowdata'}[$in]; chop $output; $output .= ' \\\\ '; } my @length = split(/,/,$Apache::londefdef::table[-1]{'length'}); my $how_many_columns = $#length+1; my $parboxlength = '(\textwidth'; for (my $io=0; $io<=$#length;$io++) { if ($length[$io] ne '') { $parboxlength .= ' - '.$length[$io].' '; } } $parboxlength .= ')/'.$how_many_columns.' - 7 mm'; $output =~ s/\\parbox{}/\\parbox{$parboxlength}/g; $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$output.$Apache::londefdef::table[-1]{'hinc'}.'\end{tabular}\vskip 0 mm '; if ($#Apache::londefdef::table > 0) { $inmemory = $Apache::londefdef::table[-1]{'output'}; pop @Apache::londefdef::table; $Apache::londefdef::table[-1]{'rowdata'}[$Apache::londefdef::table[-1]{'row_number'}] .= $inmemory; } else { $currentstring = $Apache::londefdef::table[-1]{'output'}; $currentstring =~ s/\\\\\s+\\\\/\\\\/g; pop @Apache::londefdef::table; } } return $currentstring; } #-- <tr> tag sub start_tr { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { $Apache::londefdef::table[-1]{'row_number'}++; my $alignchar = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval),0,1); if ($alignchar ne '') { push @ {$Apache::londefdef::table[-1]{'rows'} }, $alignchar; } else { push @ {$Apache::londefdef::table[-1]{'rows'} }, 'l'; } push ( @{ $Apache::londefdef::table[-1]{'rowdata'} }, $Apache::londefdef::table[-1]{'hinc'}); $Apache::londefdef::table[-1]{'counter_columns'} = -1; $Apache::londefdef::table[-1]{'length'} = ''; #just added } return $currentstring; } sub end_tr { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { # $currentstring .= ' START ROW '. $Apache::londefdef::table[-1]{'rowdata'}[$Apache::londefdef::table[-1]{'row_number'}].' END ROW '; } return $currentstring; } #-- <td> tag sub start_td { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { my $what_to_push = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval),0,1); if ($what_to_push eq '') { $what_to_push = substr($Apache::londefdef::table[-1]{'rows'}[0],0,1);; } push @{ $Apache::londefdef::table[-1]{'columns'} }, $what_to_push; $Apache::londefdef::table[-1]{'counter_columns'}++; &Apache::lonxml::startredirection(); ; } return $currentstring; } sub end_td { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { my $current_row = $Apache::londefdef::table[-1]{'row_number'}; my $data=&Apache::lonxml::endredirection(); if ($data=~m/width\s*=\s*(\d+\.*\d*\s*(mm|cm))/) { #just added $Apache::londefdef::table[-1]{'length'} .= $1.','; #just added } #just added @{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\parbox{'.$1.'}{'.$data.'} '.$Apache::londefdef::table[-1]{'vinc'}; } return $currentstring; } #-- <th> tag sub start_th { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { my $what_to_push = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval),0,1); if ($what_to_push eq '') { $what_to_push = substr($Apache::londefdef::table[-1]{'rows'}[0],0,1);; } push @{ $Apache::londefdef::table[-1]{'columns'} }, $what_to_push; $Apache::londefdef::table[-1]{'counter_columns'}++; &Apache::lonxml::startredirection(); ; } return $currentstring; } sub end_th { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { my $current_row = $Apache::londefdef::table[-1]{'row_number'}; my $data=&Apache::lonxml::endredirection(); if ($data=~m/width\s*=\s*(\d+\.*\d*\s*(mm|cm))/) { #just added $Apache::londefdef::table[-1]{'length'} .= $1.','; #just added } #just added @{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\parbox{'.$1.'}{\textbf{'.$data.'}} '.$Apache::londefdef::table[-1]{'vinc'}; } return $currentstring; } #-- <img> tag sub start_img { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]= $token->[2]->{'src'}; my $currentstring = ''; my $width_param = ''; my $height_param = ''; my $scaling = .3; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval); $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src); my $image = Image::Magick->new; my $current_figure = $image->Read($src); $width_param = $image->Get('width') * $scaling;; $height_param = $image->Get('height') * $scaling;; undef $image; my $epssrc = $src; $epssrc =~ s/(\.gif|\.jpg)$/\.eps/i; if (not -e $epssrc) { my $localfile = $epssrc; $localfile =~ s/.*(\/res)/$1/; my $file; my $path; if ($localfile =~ m!(.*)/([^/]*)$!) { $file = $2; $path = $1.'/'; } my $signal_eps = 0; my @content_directory = &Apache::lonnet::dirlist($path); for (my $iy=0;$iy<=$#content_directory;$iy++) { my @tempo_array = split(/&/,$content_directory[$iy]); $content_directory[$iy] = $tempo_array[0]; if ($file eq $tempo_array[0]) { $signal_eps = 1; last; } } if ($signal_eps) { my $eps_file = &Apache::lonnet::getfile($localfile); } else { $localfile = $src; $localfile =~ s/.*(\/res)/$1/; my $as = &Apache::lonnet::getfile($src); } } my $file; my $path; if ($src =~ m!(.*)/([^/]*)$!) { $file = $2; $path = $1.'/'; } my $newsrc = $src; $newsrc =~ s/(\.gif|\.jpg)$/\.eps/i; $file=~s/(\.gif|\.jpg)$/\.eps/i; #do we have any specified size of the picture? my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval); my $TeXheight = &Apache::lonxml::get_param('TeXheight',$parstack,$safeeval); my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval); if ($TeXwidth ne '') { $width_param = $TeXwidth; } elsif ($TeXheight ne '') { $width_param = $TeXheight/$height_param*$width_param; } elsif ($width ne '') { $width_param = $width*$scaling; } #where can we find the picture? if (-e $newsrc) { if ($path) { $currentstring .= '\noindent\graphicspath{{'.$path.'}}\fbox{\includegraphics[width='.$width_param.' mm]{'.$file.'}} '; } } else { my $temp_file; my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat"; $temp_file = Apache::File->new('>>'.$filename); print $temp_file "$src\n"; $currentstring .= '\graphicspath{{/home/httpd/prtspool/}}\fbox{\includegraphics[width='.$width_param.' mm]{'.$file.'}} '; } } return $currentstring; } sub end_img { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { $currentstring = ''; } return $currentstring; } #-- <applet> tag sub start_applet { my ($target,$token) = @_; $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]= $token->[2]->{'code'}; $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]= $token->[2]->{'archive'}; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { $currentstring = " \\begin{figure} "; } return $currentstring; } sub end_applet { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { $currentstring = " \\end{figure}"; } return $currentstring; } #-- <embed> tag sub start_embed { my ($target,$token) = @_; $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]= $token->[2]->{'src'}; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { $currentstring = " \\begin{figure} "; } return $currentstring; } sub end_embed { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { $currentstring = " \\end{figure}"; } return $currentstring; } #-- <param> tag sub start_param { my ($target,$token) = @_; if ($token->[2]->{'name'} eq 'cabbase') { $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]= $token->[2]->{'value'}; } $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]= $token->[2]->{'src'}; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { $currentstring = " \\begin{figure} "; } return $currentstring; } sub end_param { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { $currentstring = " \\end{figure}"; } return $currentstring; } #-- <allow> tag sub start_allow { my ($target,$token) = @_; $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]= $token->[2]->{'src'}; return ''; } sub end_allow { return ''; } #-- Frames sub start_frameset { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { if (!$Apache::lonxml::registered) { $currentstring.='<head>'. &Apache::lonxml::registerurl(undef,$target).'</head>'; } $currentstring .= $token->[4]; } return $currentstring; } sub end_frameset { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } return $currentstring; } #-- <pre> sub start_pre { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= '\begin{verbatim}'; } return $currentstring; } sub end_pre { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= '\end{verbatim}'; } return $currentstring; } #-- <insert> sub start_insert { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { my $display = &Apache::lonxml::get_param('display',$parstack,$safeeval); $currentstring .= '<b>'.$display.'</b>';; } return $currentstring; } sub end_insert { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= ''; } return $currentstring; } #-- <externallink> sub start_externallink { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { my $display = &Apache::lonxml::get_param('display',$parstack,$safeeval); $currentstring .= '<b>'.$display.'</b>';; } return $currentstring; } sub end_externallink { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= ''; } return $currentstring; } #-- <blankspace heigth=""> sub start_blankspace { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'tex') { my $howmuch = &Apache::lonxml::get_param('heigth',$parstack,$safeeval); $currentstring .= '\vskip '.$howmuch.' '; } return $currentstring; } sub end_blankspace { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'tex') { $currentstring .= ''; } return $currentstring; } 1; __END__