File:
[LON-CAPA] /
loncom /
xml /
londefdef.pm
Revision
1.132:
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Wed May 7 17:24:16 2003 UTC (21 years, 3 months ago) by
sakharuk
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MAIN
CVS tags:
HEAD
Another correction for the calculation of the cell's width. It is important for the cases where you have real number (not integer) for the width of the object in the cell (it frequently happens when the size of the picture is determined dynamically and not specified in TeXwidth attribute).
# The LearningOnline Network with CAPA
# Tags Default Definition Module
#
# $Id: londefdef.pm,v 1.132 2003/05/07 17:24:16 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;
use Apache::lonmenu();
use Apache::lonmeta();
BEGIN {
&Apache::lonxml::register('Apache::londefdef',('a','abbr','acronym','accessrule','address','allow','applet','area','b','base','basefont','bgo','bgsound','big','blink','blockquote','blankspace','body','br','button','caption','center','cite','code','col','colgroup','dd','del','dfn','dir','div','dl','dt','em','embed','externallink','fieldset','font','form','frame','frameset','h1','h2','h3','h4','h5','h6','head','hr','html','i','iframe','img','input','ins','insert','isindex','kbd','keygen','label','layer','legend','li','link','m','map','marquee','menu','meta','multicol','nobr','noembed','noframes','nolayer','noscript','object','ol','optgroup','option','output','p','param','pre','q','s','samp','select','server','small','spacer','span','strike','strong','sub','sup','table','tbody','td','textarea','tfoot','th','thead','title','tr','tt','tthoption','u','ul','var','wbr'));
}
#======================= 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);
if ($currentstring=~/^(\s*\\\\\s*)*$/) {$currentstring = ' \vskip 0 mm ';}
} 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;
}
sub start_tthoption {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $result;
if ($target eq 'web') {
my $inside = &Apache::lonxml::get_all_text("/tthoption",$parser);
$inside=~s/^\s*//;
if ($ENV{'browser.mathml'}) {
&tth::ttmoptions($inside);
} else {
&tth::tthoptions($inside);
}
}
return $result;
}
sub end_tthoption {
my ($target,$token) = @_;
my $result;
return $result;
}
#-- <html> tag
sub start_html {
my ($target,$token) = @_;
my $currentstring = '';
if ($ENV{'browser.mathml'}) {
&tth::ttminit();
if ($ENV{'browser.unicode'}) {
&tth::ttmoptions('-L -u1');
} else {
&tth::ttmoptions('-L -u0');
}
} else {
&tth::tthinit();
if ($ENV{'browser.unicode'}) {
&tth::tthoptions('-L -u1');
} else {
&tth::tthoptions('-L -u0');
}
}
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]{}
\renewcommand{\deg}{$^{\circ}$}
\usepackage{textcomp}
\usepackage[dvips]{graphicx}
\usepackage{epsfig}\usepackage{calc}
\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}\setlength{\abovedisplayshortskip}{-0.04in}\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}';
}
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::lonmenu::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,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
my $args='';
if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
if ($args eq '') {
&Apache::lonxml::get_all_text("/meta",$parser);
} else {
$currentstring = $token->[4];
}
}
if ($target eq 'meta') {
unless (&Apache::lonxml::get_param
('http-equiv',$parstack,$safeeval,undef,1)) {
my $name=$token->[2]->{'name'};
$name=~tr/A-Z/a-z/;
$name=~s/\s/\_/gs;
$name=~s/\W//gs;
if ($name) {
$currentstring='<'.$name.'>'.
&Apache::lonxml::get_param
('content',$parstack,$safeeval,undef,1).
'</'.$name.'>';
}
}
}
return $currentstring;
}
sub end_meta {
my ($target,$token,$tagstack,$parstack,$parser) = @_;
my $currentstring = '';
if ($target eq 'web') {
my $args='';
if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
if ($args ne '') {
$currentstring = $token->[4];
}
}
return $currentstring;
}
# accessrule
sub start_accessrule {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
my $eff=&Apache::lonxml::get_param
('effect',$parstack,$safeeval,undef,1);
my $realm=&Apache::lonxml::get_param
('realm',$parstack,$safeeval,undef,1);
my $role=&Apache::lonxml::get_param
('role',$parstack,$safeeval,undef,1);
$realm=~s/\s+//g;
$realm=~s/\//\_/g;
$realm=~s/^\_//;
$realm=~s/\W/\;/g;
$role=~s/\s+//g;
$role=~s/\//\_/g;
$role=~s/\W/\;/g;
if ($target eq 'web') {
my $args='';
if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
if ($args eq '') {
&Apache::lonxml::get_all_text("/accessrule",$parser);
} else {
$currentstring = $token->[4];
}
}
if ($target eq 'meta') {
$currentstring='<rule>'.$eff.':'.$realm.':'.$role.'</rule>';
}
return $currentstring;
}
sub end_accessrule {
my ($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 $currentstring = '';
if ($target eq 'web') {
if (!$Apache::lonxml::registered) {
$currentstring.='<head>'.
&Apache::lonmenu::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::lonmenu::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::lonmenu::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
} else {
$currentstring.=&Apache::lonmenu::menubuttons(undef,$target,1);
}
} 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,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
my $pre;
my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
if (($align eq 'center') || (not defined $align)) {
$pre='\begin{center}';
} elsif ($align eq 'left') {
$pre='\rlap{';
} elsif ($align eq 'right') {
$pre=' \hfill \llap{';
}
my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
if (not defined $TeXsize) {$TeXsize="large";}
$currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
} elsif ($target eq 'meta') {
$currentstring='<subject>';
&start_output();
}
return $currentstring;
}
sub end_h1 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
my $post;
my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
if (($align eq 'center') || (not defined $align)) {
$post='\end{center}';
} elsif ($align eq 'left') {
$post='} \hfill'.'\vskip 0 mm ';
} elsif ($align eq 'right') {
$post='}'.'\vskip 0 mm ';
}
$currentstring .= '}}'.$post;
} elsif ($target eq 'meta') {
&end_output();
$currentstring='</subject>';
}
return $currentstring;
}
#-- <h2> tag
sub start_h2 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
my $pre;
my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
if (($align eq 'center') || (not defined $align)) {
$pre='\begin{center}';
} elsif ($align eq 'left') {
$pre='\rlap{';
} elsif ($align eq 'right') {
$pre=' \hfill \llap{';
}
my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
if (not defined $TeXsize) {$TeXsize="large";}
$currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
}
return $currentstring;
}
sub end_h2 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
my $post;
my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
if (($align eq 'center') || (not defined $align)) {
$post='\end{center}';
} elsif ($align eq 'left') {
$post='} \hfill'.'\vskip 0 mm ';
} elsif ($align eq 'right') {
$post='}'.'\vskip 0 mm ';
}
$currentstring .= '}}'.$post;
}
return $currentstring;
}
#-- <h3> tag
sub start_h3 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
my $pre;
my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
if (($align eq 'center') || (not defined $align)) {
$pre='\begin{center}';
} elsif ($align eq 'left') {
$pre='\rlap{';
} elsif ($align eq 'right') {
$pre=' \hfill \llap{';
}
my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
if (not defined $TeXsize) {$TeXsize="large";}
$currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
}
return $currentstring;
}
sub end_h3 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
my $post;
my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
if (($align eq 'center') || (not defined $align)) {
$post='\end{center}';
} elsif ($align eq 'left') {
$post='} \hfill'.'\vskip 0 mm ';
} elsif ($align eq 'right') {
$post='}'.'\vskip 0 mm ';
}
$currentstring .= '}}'.$post;
}
return $currentstring;
}
#-- <h4> tag
sub start_h4 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
my $pre;
my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
if (($align eq 'center') || (not defined $align)) {
$pre='\begin{center}';
} elsif ($align eq 'left') {
$pre='\rlap{';
} elsif ($align eq 'right') {
$pre=' \hfill \llap{';
}
my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
if (not defined $TeXsize) {$TeXsize="large";}
$currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
}
return $currentstring;
}
sub end_h4 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
my $post;
my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
if (($align eq 'center') || (not defined $align)) {
$post='\end{center}';
} elsif ($align eq 'left') {
$post='} \hfill'.'\vskip 0 mm ';
} elsif ($align eq 'right') {
$post='}'.'\vskip 0 mm ';
}
$currentstring .= '}}'.$post;
}
return $currentstring;
}
#-- <h5> tag
sub start_h5 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
my $pre;
my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
if (($align eq 'center') || (not defined $align)) {
$pre='\begin{center}';
} elsif ($align eq 'left') {
$pre='\rlap{';
} elsif ($align eq 'right') {
$pre=' \hfill \llap{';
}
my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
if (not defined $TeXsize) {$TeXsize="large";}
$currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
}
return $currentstring;
}
sub end_h5 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
my $post;
my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
if (($align eq 'center') || (not defined $align)) {
$post='\end{center}';
} elsif ($align eq 'left') {
$post='} \hfill'.'\vskip 0 mm ';
} elsif ($align eq 'right') {
$post='}'.'\vskip 0 mm ';
}
$currentstring .= '}}'.$post;
}
return $currentstring;
}
#-- <h6> tag
sub start_h6 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
my $pre;
my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
if (($align eq 'center') || (not defined $align)) {
$pre='\begin{center}';
} elsif ($align eq 'left') {
$pre='\rlap{';
} elsif ($align eq 'right') {
$pre=' \hfill \llap{';
}
my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
if (not defined $TeXsize) {$TeXsize="large";}
$currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
}
return $currentstring;
}
sub end_h6 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
my $post;
my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
if (($align eq 'center') || (not defined $align)) {
$post='\end{center}';
} elsif ($align eq 'left') {
$post='} \hfill'.'\vskip 0 mm ';
} elsif ($align eq 'right') {
$post='}'.'\vskip 0 mm ';
}
$currentstring .= '}}'.$post;
}
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') {
if ($$tagstack[-2] ne 'sub' && $$tagstack[-2] ne 'sup') {
$currentstring .= '\vskip 0.2 mm';
}
} elsif ($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,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
my $basesize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
if (defined $basesize) {
$currentstring = '{\\'.$basesize.' ';
}
}
return $currentstring;
}
sub end_basefont {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
my $basesize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
if (defined $basesize) {
$currentstring = '}';
}
}
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 = $token->[4];
} elsif ($target eq 'tex') {
my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
if (defined $fontsize) {
$currentstring = '{\\'.$fontsize.' ';
}
}
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 = $token->[2];
} elsif ($target eq 'tex') {
my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
if (defined $fontsize) {
$currentstring = '}';
}
}
return $currentstring;
}
#-- <strike> tag
sub start_strike {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
&Apache::lonxml::startredirection();
}
return $currentstring;
}
sub end_strike {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
$currentstring=&Apache::lonxml::endredirection();
$currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
$currentstring=~s/^\s*(\S)/\\underline\{$1/;
$currentstring=~s/(\S)\s*$/$1\}/;
}
return $currentstring;
}
#-- <s> tag
sub start_s {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
&Apache::lonxml::startredirection();
}
return $currentstring;
}
sub end_s {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
$currentstring=&Apache::lonxml::endredirection();
$currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
$currentstring=~s/^\s*(\S)/\\underline\{$1/;
$currentstring=~s/(\S)\s*$/$1\}/;
}
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,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
my $LaTeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,0);
if (defined $LaTeXwidth) {
if ($LaTeXwidth=~/^%/) {
substr($LaTeXwidth,0,1)='';
$LaTeXwidth=($LaTeXwidth/100).'\textwidth';
}
} else {
$LaTeXwidth ='0.95\textwidth';
}
my ($pre,$post);
my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
if (($align eq 'center') || (not defined $align)) {
$pre=''; $post='';
} elsif ($align eq 'left') {
$pre='\rlap{'; $post='} \hfill';
} elsif ($align eq 'right') {
$pre=' \hfill \llap{'; $post='}';
}
$currentstring .= ' \vskip 0 mm \noindent\makebox[\textwidth]{'.$pre.'\makebox['.
$LaTeXwidth.'][b]{\hrulefill}'.$post.'}\vskip 0 mm ';
}
return $currentstring;
}
sub end_hr {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
}
return $currentstring;
}
#-- <div> tag
sub start_div {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[4];
}
return $currentstring;
}
sub end_div {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[2];
}
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=([^,]*),/$1/g;
} elsif (index($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') {
&Apache::lonxml::startredirection();
}
return $currentstring;
}
sub end_u {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
$currentstring=&Apache::lonxml::endredirection();
$currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
$currentstring=~s/^\s*(\S)/\\underline\{$1/;
$currentstring=~s/(\S)\s*$/$1\}/;
}
return $currentstring;
}
#-- <ul> tag
sub start_ul {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
my $TeXtype=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0);
if ($TeXtype eq 'disc') {
$currentstring .= ' \renewcommand{\labelitemi}{$\bullet$}
\renewcommand{\labelitemii}{$\bullet$}
\renewcommand{\labelitemiii}{$\bullet$}
\renewcommand{\labelitemiv}{$\bullet$}';
} elsif ($TeXtype eq 'circle') {
$currentstring .= ' \renewcommand{\labelitemi}{$\circ$}
\renewcommand{\labelitemii}{$\circ$}
\renewcommand{\labelitemiii}{$\circ$}
\renewcommand{\labelitemiv}{$\circ$}';
} elsif ($TeXtype eq 'square') {
$currentstring .= ' \renewcommand{\labelitemi}{$\diamond$}
\renewcommand{\labelitemii}{$\diamond$}
\renewcommand{\labelitemiii}{$\diamond$}
\renewcommand{\labelitemiv}{$\diamond$}';
}
$currentstring .= '\begin{itemize}';
}
return $currentstring;
}
sub end_ul {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
$currentstring = '\end{itemize} \renewcommand{\labelitemi}{$\bullet$}
\renewcommand{\labelitemii}{$\bullet$}
\renewcommand{\labelitemiii}{$\bullet$}
\renewcommand{\labelitemiv}{$\bullet$}';
}
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,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0);
if ($type eq '1') {
$currentstring .= ' \renewcommand{\labelenumi}{\arabic{enumi}.}
\renewcommand{\labelenumii}{\arabic{enumii}.}
\renewcommand{\labelenumiii}{\arabic{enumiii}.}
\renewcommand{\labelenumiv}{\arabic{enumiv}.}';
} elsif ($type eq 'A') {
$currentstring .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}
\renewcommand{\labelenumii}{\Alph{enumii}.}
\renewcommand{\labelenumiii}{\Alph{enumiii}.}
\renewcommand{\labelenumiv}{\Alph{enumiv}.}';
} elsif ($type eq 'a') {
$currentstring .= ' \renewcommand{\labelenumi}{\alph{enumi}.}
\renewcommand{\labelenumii}{\alph{enumii}.}
\renewcommand{\labelenumiii}{\alph{enumiii}.}
\renewcommand{\labelenumiv}{\alph{enumiv}.} ';
} elsif ($type eq 'i') {
$currentstring .= ' \renewcommand{\labelenumi}{\roman{enumi}.}
\renewcommand{\labelenumii}{\roman{enumii}.}
\renewcommand{\labelenumiii}{\roman{enumiii}.}
\renewcommand{\labelenumiv}{\roman{enumiv}.} ';
} elsif ($type eq 'I') {
$currentstring .= ' \renewcommand{\labelenumi}{\Roman{enumi}.}
\renewcommand{\labelenumii}{\Roman{enumii}.}
\renewcommand{\labelenumiii}{\Roman{enumiii}.}
\renewcommand{\labelenumiv}{\Roman{enumiv}.} ';
}
$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} \renewcommand{\labelenumi}{\arabic{enumi}.}
\renewcommand{\labelenumii}{\arabic{enumii}.}
\renewcommand{\labelenumiii}{\arabic{enumiii}.}
\renewcommand{\labelenumiv}{\arabic{enumiv}.}';
}
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 $textwidth;
if (not defined @Apache::londefdef::table) {
$textwidth=&recalc($ENV{'form.textwidth'});
$textwidth=~/(\d+)/;
$textwidth=$1;
} else {
$textwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
}
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;
#table's width
my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
if (not defined $TeXwidth) {
my $htmlwidth = &Apache::lonxml::get_param('width',$parstack,$safeeval,undef,1);
if ($htmlwidth=~/%/) {
$htmlwidth=~/(\d+)/;
my $value=$1*$textwidth/100;
$Apache::londefdef::table[-1]{'width'}=$value;
} else {
$Apache::londefdef::table[-1]{'width'}=$textwidth;
}
} elsif ($TeXwidth=~/%/) {
$TeXwidth=~/(\d+)/;
my $value=$1*$textwidth/100;
$Apache::londefdef::table[-1]{'width'}=$value;
} else {
$Apache::londefdef::table[-1]{'width'}=$textwidth;
}
#table's border
my $border = &Apache::lonxml::get_param('border',$parstack,$safeeval,undef,1);
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'} = '';
}
$Apache::londefdef::table[-1]{'output'} = ' \noindent \begin{tabular} ';
$currentstring = '\keephidden{NEW TABLE ENTRY '.$textwidth.'}';
}
return $currentstring;
}
sub end_table {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
my $inmemory = '';
my $output = '';
#construct header of the table
my $header_of_table = '{'.$Apache::londefdef::table[-1]{'vvinc'};
for (my $in=0;$in<=$Apache::londefdef::table[-1]{'counter_columns'};$in++) {
$header_of_table .= $Apache::londefdef::table[-1]{'columns'}[$in].$Apache::londefdef::table[-1]{'vvinc'};
}
$header_of_table .= '}';
#define the length of the table cells
#always starts with TeXwidth (if defined everything else is ignored)
my @length_row_final = split(/,/,$Apache::londefdef::table[-1]{'TeXlengthrow'}[0]);
for (my $in=1;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
my @length_row = split(/,/,$Apache::londefdef::table[-1]{'TeXlengthrow'}[$in]);
for (my $jn=0;$jn<=$#length_row;$jn++) {
if ($length_row_final[$jn]<$length_row[$jn]) {$length_row_final[$jn]=$length_row[$jn];}
}
}
#continues trying estimate the width of raw data
my @length_raw_row = split(/,/,$Apache::londefdef::table[-1]{'lengthrow'}[0]);
for (my $in=1;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
my @length_row = split(/,/,$Apache::londefdef::table[-1]{'lengthrow'}[$in]);
for (my $jn=0;$jn<=$#length_row;$jn++) {
if ($length_raw_row[$jn]<$length_row[$jn]) {$length_raw_row[$jn]=$length_row[$jn];}
}
}
#comparing of TeXwidth and raw data width
my $available_length=$Apache::londefdef::table[-1]{'width'};
my $needed=0;
for (my $jn=0;$jn<=$#length_row_final;$jn++) {
if ($length_row_final[$jn]!=0) {
$available_length=$available_length-$length_row_final[$jn];
$needed++;
}
}
$needed=$#length_row_final-$needed+1;
for (my $jn=0;$jn<=$#length_row_final;$jn++) {
if ($length_row_final[$jn]==0) {
if ($length_raw_row[$jn]<$available_length/3) {
$length_row_final[$jn]=$length_raw_row[$jn];
$available_length=$available_length-$length_raw_row[$jn];
$needed--;
}
}
}
for (my $jn=0;$jn<=$#length_row_final;$jn++) {
if ($length_row_final[$jn]==0) {
$length_row_final[$jn]=0.9*$available_length/$needed;
}
}
#fill the table
for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
for (my $jn=0;$jn<=$#length_row_final;$jn++) {
my $substituted=$length_row_final[$jn];
$Apache::londefdef::table[-1]{'rowdata'}[$in]=~s/TOBECHANGEDONNUMBER/$substituted mm/;
}
$output .= $Apache::londefdef::table[-1]{'rowdata'}[$in];
chop $output;
$output .= ' \\\\ ';
}
$Apache::londefdef::table[-1]{'output'} .= $header_of_table.$output.$Apache::londefdef::table[-1]{'hinc'}.'\end{tabular}\vskip 0 mm ';
if ($#Apache::londefdef::table > 0) {
my $inmemory = $Apache::londefdef::table[-1]{'output'};
pop @Apache::londefdef::table;
push @{$Apache::londefdef::table[-1]{'include'}}, $inmemory;
} else {
$currentstring .= $Apache::londefdef::table[-1]{'output'};
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,$safeeval,undef,1),0,1);
if ($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]{'TeXlength'} = '';
$Apache::londefdef::table[-1]{'length'} = '';
}
return $currentstring;
}
sub end_tr {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
push @{ $Apache::londefdef::table[-1]{'TeXlengthrow'} },$Apache::londefdef::table[-1]{'TeXlength'};
push @{ $Apache::londefdef::table[-1]{'lengthrow'} },$Apache::londefdef::table[-1]{'length'};
}
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,$safeeval,undef,1),0,1);
if ($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,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
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();
my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
if (defined $TeXwidth) {
my $current_length=&recalc($TeXwidth);
$current_length=~/(\d+)/;
$Apache::londefdef::table[-1]{'TeXlength'} .= $1.',';
$Apache::londefdef::table[-1]{'length'} .= '0,';
} else {
if ($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) {
my $current_length=&recalc($1);
$current_length=~/(\d+\.?\d*)/;
$Apache::londefdef::table[-1]{'TeXlength'} .= $1.',';
$Apache::londefdef::table[-1]{'length'} .= '0,';
} else {
$data=~/^\s*(\S.*)/;
$data=$1;
$data=~/(.*\S)\s*$/;
$data=$1;
my $current_length=2*length($data);
$Apache::londefdef::table[-1]{'length'} .= $current_length.',';
$Apache::londefdef::table[-1]{'TeXlength'} .= '0,';
}
}
for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) {
$data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/;
}
@{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\parbox{TOBECHANGEDONNUMBER}{'.$data.'} '.$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,$safeeval,undef,1),0,1);
if ($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,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
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();
my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
if (defined $TeXwidth) {
my $current_length=&recalc($TeXwidth);
$current_length=~/(\d+)/;
$Apache::londefdef::table[-1]{'TeXlength'} .= $1.',';
$Apache::londefdef::table[-1]{'length'} .= '0,';
} else {
if ($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) {
my $current_length=&recalc($1);
$current_length=~/(\d+)/;
$Apache::londefdef::table[-1]{'TeXlength'} .= $1.',';
$Apache::londefdef::table[-1]{'length'} .= '0,';
} else {
$data=~/^\s*(\S.*)/;
$data=$1;
$data=~/(.*\S)\s*$/;
$data=$1;
my $current_length=2*length($data);
$Apache::londefdef::table[-1]{'length'} .= $current_length.',';
$Apache::londefdef::table[-1]{'TeXlength'} .= '0,';
}
}
for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) {
$data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/;
}
$data='\textbf{'.$data.'}';
@{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\parbox{TOBECHANGEDONNUMBER}{'.$data.'} '.$Apache::londefdef::table[-1]{'vinc'};
}
return $currentstring;
}
#-- <img> tag
sub start_img {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,
undef,1);
$Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src;
my $currentstring = '';
my $width_param = '';
my $height_param = '';
my $scaling = .3;
if ($target eq 'web') {
if ($ENV{'browser.imagesuppress'} ne 'on') {
$currentstring = $token->[4];
} else {
my $alttag= &Apache::lonxml::get_param
('alt',$parstack,$safeeval,undef,1);
unless ($alttag) {
$alttag=&Apache::lonmeta::alttag
($Apache::lonxml::pwd[-1],$src);
}
$currentstring='[IMAGE: '.$alttag.']';
}
} elsif ($target eq 'tex') {
$src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
&image_replication($src);
#if original gif/jpg/png file exist do following:
if (-e $src) {
#defines the default size of image
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;
#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,$safeeval,
undef,1);
if ($TeXwidth ne '') {
if ($TeXwidth=~/(\d+)\s*\%/) {
$width_param = $1*$ENV{'form.textwidth'}/100;
} else {
$width_param = $TeXwidth;
}
} elsif ($TeXheight ne '') {
$width_param = $TeXheight/$height_param*$width_param;
} elsif ($width ne '') {
$width_param = $width*$scaling;
}
my $file;
my $path;
if ($src =~ m!(.*)/([^/]*)$!) {
$file = $2;
$path = $1.'/';
}
my $newsrc = $src;
$newsrc =~ s/\.(gif|jpg|png)$/.eps/i;
$file=~s/\.(gif|jpg|png)$/.eps/i;
#where can we find the picture?
if (-e $newsrc) {
#eps counterpart for image exist
if ($path) {
$currentstring .= '\vskip 1 mm \noindent\graphicspath{{'.$path.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
}
} else {
#there is no eps counterpart for image - check for ps one
$newsrc =~ s/\.eps$/\.ps/;
if (-e $newsrc) {
#ps counterpart for image exist
$file =~ s/\.eps$/\.ps/;
if ($path) {
$currentstring .= '\vskip 1 mm \noindent\graphicspath{{'.$path.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
}
} else {
#there aren't eps or ps - so create eps
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";
$currentstring .= '\vskip 1 mm \graphicspath{{/home/httpd/prtspool/}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
}
}
} else {
#original image file doesn't exist so check the alt attribute
my $alt =
&Apache::lonxml::get_param('alt',$parstack,$safeeval,undef,1);
unless ($alt) {
$alt=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],$src);
}
if ($alt) {
$currentstring .= ' '.$alt.' ';
} else {
#<allow> tag will care about replication
}
}
}
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,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $code=&Apache::lonxml::get_param('code',$parstack,$safeeval,undef,1);
$Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$code;
my $archive=&Apache::lonxml::get_param('archive',$parstack,$safeeval,
undef,1);
$Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$archive;
my $currentstring = '';
if ($target eq 'web') {
if ($ENV{'browser.appletsuppress'} ne 'on') {
$currentstring = $token->[4];
} else {
my $alttag= &Apache::lonxml::get_param('alt',$parstack,
$safeeval,undef,1);
unless ($alttag) {
$alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],
$code);
}
$currentstring='[APPLET: '.$alttag.']';
}
} 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,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
$Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src;
my $currentstring = '';
if ($target eq 'web') {
if ($ENV{'browser.embedsuppress'} ne 'on') {
$currentstring = $token->[4];
} else {
my $alttag=&Apache::lonxml::get_param
('alt',$parstack,$safeeval,undef,1);
unless ($alttag) {
$alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],$src);
}
$currentstring='[EMBED: '.$alttag.']';
}
} 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,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
if (&Apache::lonxml::get_param
('name',$parstack,$safeeval,undef,1)=~/^cabbase$/i) {
$Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
&Apache::lonxml::get_param('value',$parstack,$safeeval,undef,1);
}
$Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
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,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
$src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
$Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src;
&image_replication($src);
my $result;
if ($target eq 'edit') {
$result .=&Apache::edit::tag_start($target,$token);
$result .=&Apache::edit::text_arg('File Spec:','src',$token,70);
$result .=&Apache::edit::end_row();#.&Apache::edit::start_spanning_row();
} elsif ($target eq 'modified') {
my $constructtag=&Apache::edit::get_new_args($token,$parstack,
$safeeval,'src');
if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
}
return $result;
}
sub end_allow {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
if ( $target eq 'edit') { return (&Apache::edit::end_table()); }
return '';
}
#-- Frames
sub start_frameset {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
if (!$Apache::lonxml::registered) {
$currentstring.='<head>'.
&Apache::lonmenu::registerurl(undef,$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,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
my $width = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
if (not defined $width) {$width ='\textwidth';}
$currentstring .= '\parbox['.$width.']{\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,undef,1);
$currentstring .= '<b>'.$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,undef,1);
$currentstring .= '<b>'.$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,undef,1);
$currentstring .= '\vskip '.$howmuch.' ';
}
return $currentstring;
}
sub end_blankspace {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'tex') {
$currentstring .= '';
}
return $currentstring;
}
#-- <abbr> tag
sub start_abbr {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_abbr {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <acronym> tag
sub start_acronym {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_acronym {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <area> tag
sub start_area {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_area {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <base> tag
sub start_base {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_base {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <bdo> tag
sub start_bdo {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_bdo {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <bgsound> tag
sub start_bgsound {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_bgsound {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <blink> tag
sub start_blink {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_blink {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <blockquote> tag
sub start_blockquote {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_blockquote {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <button> tag
sub start_button {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_button {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <caption> tag
sub start_caption {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_caption {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <col> tag
sub start_col {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_col {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <colgroup> tag
sub start_colgroup {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_colgroup {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <del> tag
sub start_del {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_del {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <fieldset> tag
sub start_fieldset {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_fieldset {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <frame> tag
sub start_frame {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_frame {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <iframe> tag
sub start_iframe {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_iframe {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <ins> tag
sub start_ins {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_ins {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <isindex> tag
sub start_isindex {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_isindex {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <keygen> tag
sub start_keygen {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_keygen {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <label> tag
sub start_label {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_label {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <layer> tag
sub start_layer {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_layer {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <legend> tag
sub start_legend {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_legend {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <link> tag
sub start_link {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_link {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <marquee> tag
sub start_marquee {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_marquee {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <malticol> tag
sub start_malticol {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_malticol {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <nobr> tag
sub start_nobr {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_nobr {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <noembed> tag
sub start_noembed {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_noembed {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <noframes> tag
sub start_noframes {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_noframes {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <nolayer> tag
sub start_nolayer {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_nolayer {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <noscript> tag
sub start_noscript {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_noscript {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <object> tag
sub start_object {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_object {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <optgroup> tag
sub start_optgroup {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_optgroup {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <samp> tag
sub start_samp {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_samp {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <server> tag
sub start_server {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_server {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <spacer> tag
sub start_spacer {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_spacer {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <span> tag
sub start_span {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_span {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <tbody> tag
sub start_tbody {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_tbody {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <tfoot> tag
sub start_tfoot {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_tfoot {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <thead> tag
sub start_thead {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_thead {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <var> tag
sub start_var {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_var {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
#-- <wbr> tag
sub start_wbr {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
}
return $currentstring;
}
sub end_wbr {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
}
return $currentstring;
}
sub image_replication {
my $src = shift;
if (not -e $src) {
#replicates image itself
&Apache::lonnet::repcopy($src);
#replicates eps or ps
my $newsrc = $src;
$newsrc =~ s/\.(gif|jpg|jpeg|png)$/.eps/i;
if (not -e $newsrc) {
if (&Apache::lonnet::repcopy($newsrc) ne 'OK') {
$newsrc =~ s/\.eps$/\.ps/;
&Apache::lonnet::repcopy($newsrc);
}
}
}
return '';
}
sub recalc {
my $argument = shift;
if (not $argument=~/(mm|cm|in|pc|pt)/) {return $argument.' mm';}
$argument=~/\s*(\d+\.?\d*)\s*(mm|cm|in|pc|pt)/;
my $value=$1;
my $units=$2;
if ($units eq 'cm') {
$value*=10;
} elsif ($units eq 'in') {
$value*=25.4;
} elsif ($units eq 'pc') {
$value*=(25.4*12/72.27);
} elsif ($units eq 'pt') {
$value*=(25.4/72.27);
}
return $value.' mm';
}
1;
__END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>