--- loncom/xml/londefdef.pm 2003/05/21 14:57:31 1.134
+++ loncom/xml/londefdef.pm 2004/01/08 19:49:59 1.192
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# Tags Default Definition Module
#
-# $Id: londefdef.pm,v 1.134 2003/05/21 14:57:31 sakharuk Exp $
+# $Id: londefdef.pm,v 1.192 2004/01/08 19:49:59 sakharuk Exp $
#
#
# Copyright Michigan State University Board of Trustees
@@ -25,8 +25,7 @@
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
-#
-# Copyright for TtHfunc and TtMfunc by Ian Hutchinson.
+## 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
@@ -51,13 +50,24 @@ use Apache::File();
use Image::Magick;
use Apache::lonmenu();
use Apache::lonmeta();
+use Apache::Constants qw(:common);
+
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'));
+ &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','hideweboutput'));
}
+sub initialize_londefdef {
+ $Apache::londefdef::TD_redirection=0;
+ @Apache::londefdef::table = ();
+ $Apache::londefdef::select=0;
+ @Apache::londefdef::description=();
+ $Apache::londefdef::DD_redirection=0;
+ $Apache::londefdef::DT_redirection=0;
+}
+
#======================= TAG SUBROUTINES =====================
#-- <output>
sub start_output {
@@ -72,11 +82,12 @@ sub end_output {
}
#-- <m> tag
sub start_m {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ my $inside = &Apache::lonxml::get_all_text("/m",$parser,$style);
+ $inside=~s-<LONCAPA_INTERNAL_TURN_STYLE_ON />--g;
+ if ($target eq 'web' || $target eq 'analyze') {
$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);
@@ -91,11 +102,15 @@ sub start_m {
$Apache::lontexconvert::errorstring='';
}
#&Apache::lonxml::debug("M is ends with:$currentstring:");
+ $Apache::lonxml::post_evaluate=0;
} elsif ($target eq 'tex') {
- $currentstring = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
+ $currentstring = $inside;
+ my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval);
+ if ($eval eq 'on') {
+ $currentstring=&Apache::run::evaluate($currentstring,$safeeval,$$parstack[-1]);
+ }
if ($currentstring=~/^(\s*\\\\\s*)*$/) {$currentstring = ' \vskip 0 mm ';}
- } else {
- my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
+ $Apache::lonxml::post_evaluate=0;
}
return $currentstring;
}
@@ -133,7 +148,7 @@ sub end_tthoption {
return $result;
}
-#-- <html> tag
+#-- <html> tag (end tag optional)
sub start_html {
my ($target,$token) = @_;
my $currentstring = '';
@@ -152,18 +167,22 @@ sub start_html {
&tth::tthoptions('-L -u0');
}
}
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'edit') {
$currentstring = &Apache::lonxml::xmlbegin().
&Apache::lonxml::fontsettings();
} elsif ($target eq 'tex') {
@Apache::londefdef::table = ();
- $currentstring .= '\documentclass[letterpaper]{article}
- \newcommand{\keephidden}[1]{}
+ $currentstring .= '\documentclass[letterpaper]{article}';
+ if ($ENV{'form.latex_type'}=~'batchmode') {$currentstring .='\batchmode';}
+ $currentstring .= '\newcommand{\keephidden}[1]{}
\renewcommand{\deg}{$^{\circ}$}
+ \usepackage{longtable}
\usepackage{textcomp}
+ \usepackage{makeidx}
\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}}';
+\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}}
+\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large\textbf{Index}} \newline \setlength{\rightmargin}{0in}\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}\setlength{\abovedisplayshortskip}{-0.04in}\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}';
}
return $currentstring;
}
@@ -177,7 +196,7 @@ sub end_html {
return $currentstring;
}
-#-- <head> tag
+#-- <head> tag (end tag optional)
sub start_head {
my ($target,$token) = @_;
my $currentstring = '';
@@ -190,14 +209,14 @@ sub start_head {
sub end_head {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' && $ENV{'request.state'} eq 'published') {
$currentstring = &Apache::lonmenu::registerurl(undef,$target).
$token->[2];
}
return $currentstring;
}
-#-- <map> tag
+#-- <map> tag (end tag required)
sub start_map {
my ($target,$token) = @_;
my $currentstring = '';
@@ -216,13 +235,15 @@ sub end_map {
return $currentstring;
}
-#-- <select> tag
+#-- <select> tag (end tag required)
sub start_select {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
- }
+ } elsif ($target eq 'tex') {
+ $Apache::londefdef::select=0;
+ }
return $currentstring;
}
@@ -235,13 +256,20 @@ sub end_select {
return $currentstring;
}
-#-- <option> tag
+#-- <option> tag (end tag optional)
sub start_option {
- my ($target,$token) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
- }
+ } elsif ($target eq 'tex') {
+ $Apache::londefdef::select++;
+ if ($Apache::londefdef::select == 1) {
+ $currentstring='\noindent\fbox{'.&Apache::lonxml::get_param('value',$parstack,$safeeval).'}\keephidden{';
+ } else {
+ $currentstring='\keephidden{';
+ }
+ }
return $currentstring;
}
@@ -250,11 +278,13 @@ sub end_option {
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
- }
+ } elsif ($target eq 'tex') {
+ $currentstring='}';
+ }
return $currentstring;
}
-#-- <input> tag
+#-- <input> tag (end tag forbidden)
sub start_input {
my ($target,$token) = @_;
my $currentstring = '';
@@ -273,7 +303,7 @@ sub end_input {
return $currentstring;
}
-#-- <textarea> tag
+#-- <textarea> tag (end tag required)
sub start_textarea {
my ($target,$token) = @_;
my $currentstring = '';
@@ -292,7 +322,7 @@ sub end_textarea {
return $currentstring;
}
-#-- <form> tag
+#-- <form> tag (end tag required)
sub start_form {
my ($target,$token) = @_;
my $currentstring = '';
@@ -311,18 +341,18 @@ sub end_form {
return $currentstring;
}
-#-- <title> tag
+#-- <title> tag (end tag required)
sub start_title {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
- $currentstring .= '\keephidden{'
+ $currentstring .= '\keephidden{Title of the document: '
}
if ($target eq 'meta') {
$currentstring='<title>';
- &start_output();
+ &start_output($target);
}
return $currentstring;
}
@@ -336,13 +366,13 @@ sub end_title {
$currentstring .= '}';
}
if ($target eq 'meta') {
- &end_output();
+ &end_output($target);
$currentstring='</title>';
}
return $currentstring;
}
-#-- <meta> tag
+#-- <meta> tag (end tag forbidden)
sub start_meta {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
@@ -354,8 +384,7 @@ sub start_meta {
} else {
$currentstring = $token->[4];
}
- }
- if ($target eq 'meta') {
+ } elsif ($target eq 'meta') {
unless (&Apache::lonxml::get_param
('http-equiv',$parstack,$safeeval,undef,1)) {
my $name=$token->[2]->{'name'};
@@ -363,18 +392,38 @@ sub start_meta {
$name=~s/\s/\_/gs;
$name=~s/\W//gs;
if ($name) {
- $currentstring='<'.$name.'>'.
+ $currentstring='<'.$name;
+ my $display=&Apache::lonxml::get_param
+ ('display',$parstack,$safeeval,undef,1);
+ if ($display) {
+ $display=~s/\"/\'/g;
+ $currentstring.=' display="'.$display.'"';
+ }
+ $currentstring.='>'.
&Apache::lonxml::get_param
('content',$parstack,$safeeval,undef,1).
- '</'.$name.'>';
+ '</'.$name.'>';
}
+ my $display=&Apache::lonxml::get_param
+ ('display',$parstack,$safeeval,undef,1);
+ if ($display) {
+ $display=&HTML::Entities::encode($display);
+ $currentstring.='<'.$name.'.display>'.$display.
+ '</'.$name.'.display>';
+ }
+ }
+ } elsif ($target eq 'tex') {
+ my $content=&Apache::lonxml::get_param('content',$parstack,$safeeval);
+ my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval);
+ if ((not defined $content) && (not defined $name)) {
+ &Apache::lonxml::startredirection();
}
}
return $currentstring;
}
sub end_meta {
- my ($target,$token,$tagstack,$parstack,$parser) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
my $args='';
@@ -382,7 +431,13 @@ sub end_meta {
if ($args ne '') {
$currentstring = $token->[4];
}
- }
+ } elsif ($target eq 'tex') {
+ my $content=&Apache::lonxml::get_param('content',$parstack,$safeeval);
+ my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval);
+ if ((not defined $content) && (not defined $name)) {
+ &Apache::lonxml::endredirection();
+ }
+ }
return $currentstring;
}
@@ -431,15 +486,43 @@ sub end_accessrule {
return $currentstring;
}
-#-- <body> tag
+#-- <body> tag (end tag required)
sub start_body {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
- if (!$Apache::lonxml::registered) {
+ if ($Apache::lonhomework::parsing_a_problem) {
+ &Apache::lonxml::warning("<body> tag found inside of <problem> tag this can cause problems.");
+ return '';
+ }
+ if (!$Apache::lonxml::registered &&
+ $ENV{'request.state'} eq 'published') {
$currentstring.='<head>'.
&Apache::lonmenu::registerurl(undef,$target).'</head>';
}
+# Accessibility
+ if ($ENV{'browser.imagesuppress'} eq 'on') {
+ delete($token->[2]->{'background'});
+ }
+ if ($ENV{'browser.fontenhance'} eq 'on') {
+ my $style='';
+ foreach my $key (keys(%{$token->[2]})) {
+ if ($key =~ /^style$/i) {
+ $style.=$token->[2]->{$key}.';';
+ delete($token->[2]->{$key});
+ }
+ }
+ $token->[2]->{'style'}=$style.'; font-size: x-large;';
+ }
+ if ($ENV{'browser.blackwhite'} eq 'on') {
+ delete($token->[2]->{'font'});
+ delete($token->[2]->{'link'});
+ delete($token->[2]->{'alink'});
+ delete($token->[2]->{'vlink'});
+ delete($token->[2]->{'bgcolor'});
+ delete($token->[2]->{'background'});
+ }
+# Overload loads
my $onLoad='';
foreach my $key (keys(%{$token->[2]})) {
if ($key =~ /^onload$/i) {
@@ -484,12 +567,12 @@ sub end_body {
if ($target eq 'web') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
- $currentstring = '\end{document}';
+ $currentstring = '\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent \end{document}';
}
return $currentstring;
}
-#-- <center> tag
+#-- <center> tag (end tag required)
sub start_center {
my ($target,$token) = @_;
my $currentstring = '';
@@ -497,9 +580,7 @@ sub start_center {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
$currentstring = '\begin{center}';
- } elsif ($target eq 'latexsource') {
- $currentstring = '\begin{center}';
- }
+ }
return $currentstring;
}
@@ -510,13 +591,11 @@ sub end_center {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
$currentstring = '\end{center}';
- } elsif ($target eq 'latexsource') {
- $currentstring = '\end{center}';
- }
+ }
return $currentstring;
}
-#-- <b> tag
+#-- <b> tag (end tag required)
sub start_b {
my ($target,$token) = @_;
my $currentstring = '';
@@ -524,8 +603,6 @@ sub start_b {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
$currentstring = '\textbf{';
- } elsif ($target eq 'latexsource') {
- $currentstring = '\textbf{';
}
return $currentstring;
}
@@ -537,13 +614,11 @@ sub end_b {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
$currentstring = '}';
- } elsif ($target eq 'latexsource') {
- $currentstring = '}';
}
return $currentstring;
}
-#-- <strong> tag
+#-- <strong> tag (end tag required)
sub start_strong {
my ($target,$token) = @_;
my $currentstring = '';
@@ -551,8 +626,6 @@ sub start_strong {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
$currentstring = '\textbf{';
- } elsif ($target eq 'latexsource') {
- $currentstring = '\textbf{';
}
return $currentstring;
}
@@ -560,18 +633,15 @@ sub start_strong {
sub end_strong {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
-
+ if ($target eq 'web') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
$currentstring = '}';
- } elsif ($target eq 'latexsource') {
- $currentstring = '}';
- }
+ }
return $currentstring;
}
-#-- <h1> tag
+#-- <h1> tag (end tag required)
sub start_h1 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
@@ -592,7 +662,7 @@ sub start_h1 {
$currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
} elsif ($target eq 'meta') {
$currentstring='<subject>';
- &start_output();
+ &start_output($target);
}
return $currentstring;
}
@@ -614,7 +684,7 @@ sub end_h1 {
}
$currentstring .= '}}'.$post;
} elsif ($target eq 'meta') {
- &end_output();
+ &end_output($target);
$currentstring='</subject>';
}
return $currentstring;
@@ -835,17 +905,15 @@ sub end_h6 {
return $currentstring;
}
-#--- <cite> tag
+#--- <cite> tag (end tag required)
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{";
- }
+ $currentstring .= '\textit{';
+ }
return $currentstring;
}
@@ -855,14 +923,12 @@ sub end_cite {
if ($target eq 'web') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
- $currentstring .= "}";
- } elsif ($target eq 'latexsource') {
- $currentstring .= "}";
- }
+ $currentstring .= '}';
+ }
return $currentstring;
}
-#-- <i> tag
+#-- <i> tag (end tag required)
sub start_i {
my ($target,$token) = @_;
my $currentstring = '';
@@ -870,9 +936,7 @@ sub start_i {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
$currentstring .= '\textit{';
- } elsif ($target eq 'latexsource') {
- $currentstring .= '\textit{';
- }
+ }
return $currentstring;
}
@@ -883,23 +947,19 @@ sub end_i {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
$currentstring .= '}';
- } elsif ($target eq 'latexsource') {
- $currentstring .= '}';
}
return $currentstring;
}
-#-- <address> tag
+#-- <address> tag (end tag required)
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{";
- }
+ $currentstring .= '\textit{';
+ }
return $currentstring;
}
@@ -909,23 +969,19 @@ sub end_address {
if ($target eq 'web') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
- $currentstring .= "}";
- } elsif ($target eq 'latexsource') {
- $currentstring .= "}";
+ $currentstring .= '}';
}
return $currentstring;
}
-#-- <dfn> tag
+#-- <dfn> tag (end tag required)
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{";
+ $currentstring .= '\textit{';
}
return $currentstring;
}
@@ -936,14 +992,12 @@ sub end_dfn {
if ($target eq 'web') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
- $currentstring .= "}";
- } elsif ($target eq 'latexsource') {
- $currentstring .= "}";
- }
+ $currentstring .= '}';
+ }
return $currentstring;
}
-#-- <tt> tag
+#-- <tt> tag (end tag required)
sub start_tt {
my ($target,$token) = @_;
my $currentstring = '';
@@ -951,9 +1005,7 @@ sub start_tt {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
$currentstring .= '\texttt{';
- } elsif ($target eq 'latexsource') {
- $currentstring .= '\texttt{';
- }
+ }
return $currentstring;
}
@@ -964,23 +1016,19 @@ sub end_tt {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
$currentstring .= '}';
- } elsif ($target eq 'latexsource') {
- $currentstring .= '}';
}
return $currentstring;
}
-#-- <kbd> tag
+#-- <kbd> tag (end tag required)
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{";
- }
+ $currentstring .= '\texttt{';
+ }
return $currentstring;
}
@@ -990,14 +1038,12 @@ sub end_kbd {
if ($target eq 'web') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
- $currentstring .= "}";
- } elsif ($target eq 'latexsource') {
- $currentstring .= "}";
- }
+ $currentstring .= '}';
+ }
return $currentstring;
}
-#-- <code> tag
+#-- <code> tag (end tag required)
sub start_code {
my ($target,$token) = @_;
my $currentstring = '';
@@ -1020,7 +1066,7 @@ sub end_code {
return $currentstring;
}
-#-- <em> tag
+#-- <em> tag (end tag required)
sub start_em {
my ($target,$token) = @_;
my $currentstring = '';
@@ -1028,9 +1074,7 @@ sub start_em {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
$currentstring .= '\emph{';
- } elsif ($target eq 'latexsource') {
- $currentstring .= '\emph{';
- }
+ }
return $currentstring;
}
@@ -1041,22 +1085,18 @@ sub end_em {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
$currentstring .= '}';
- } elsif ($target eq 'latexsource') {
- $currentstring .= '}';
- }
+ }
return $currentstring;
}
-#-- <q> tag
+#-- <q> tag (end tag required)
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{";
+ $currentstring .= '\emph{';
}
return $currentstring;
}
@@ -1067,24 +1107,22 @@ sub end_q {
if ($target eq 'web') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
- $currentstring .= "}";
- } elsif ($target eq 'latexsource') {
- $currentstring .= "}";
- }
+ $currentstring .= '}';
+ }
return $currentstring;
}
-#-- <p> tag
+#-- <p> tag (end tag optional)
sub start_p {
- my ($target,$token) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
- $currentstring .= '{\par ';
- } elsif ($target eq 'latexsource') {
- $currentstring .= '{\par ';
- }
+ my $signal=1;
+ foreach my $tag (@$tagstack) {if (lc($tag) eq 'b') {$signal=0;}}
+ if ($signal) {$currentstring .= '\par ';}
+ }
return $currentstring;
}
@@ -1093,15 +1131,11 @@ sub end_p {
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[2];
- } elsif ($target eq 'tex') {
- $currentstring .= '}';
- } elsif ($target eq 'latexsource') {
- $currentstring .= '}';
}
return $currentstring;
}
-#-- <br> tag
+#-- <br> tag (end tag forbidden)
sub start_br {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $currentstring = '';
@@ -1109,11 +1143,9 @@ sub start_br {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
if ($$tagstack[-2] ne 'sub' && $$tagstack[-2] ne 'sup') {
- $currentstring .= '\vskip 0.2 mm';
+ $currentstring .= '\vskip 0.2 mm ';
}
- } elsif ($target eq 'latexsource') {
- $currentstring .= '\\';
- }
+ }
return $currentstring;
}
@@ -1126,17 +1158,15 @@ sub end_br {
return $currentstring;
}
-#-- <big> tag
+#-- <big> tag (end tag required)
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 ';
- }
+ $currentstring .= '{\large ';
+ }
return $currentstring;
}
@@ -1147,13 +1177,11 @@ sub end_big {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
$currentstring .= '}';
- } elsif ($target eq 'latexsource') {
- $currentstring .= '}';
}
return $currentstring;
}
-#-- <small> tag
+#-- <small> tag (end tag required)
sub start_small {
my ($target,$token) = @_;
my $currentstring = '';
@@ -1161,9 +1189,7 @@ sub start_small {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
$currentstring .= '{\footnotesize ';
- } elsif ($target eq 'latexsource') {
- $currentstring .= '{\footnotesize ';
- }
+ }
return $currentstring;
}
@@ -1174,13 +1200,11 @@ sub end_small {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
$currentstring .= '}';
- } elsif ($target eq 'latexsource') {
- $currentstring .= '}';
}
return $currentstring;
}
-#-- <basefont> tag
+#-- <basefont> tag (end tag forbidden)
sub start_basefont {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $currentstring = '';
@@ -1209,13 +1233,18 @@ sub end_basefont {
return $currentstring;
}
-#-- <font> tag
+#-- <font> tag (end tag required)
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++;}
+ if ($face=~/symbol/i) {
+ $Apache::lonxml::prevent_entity_encode++;
+ } else {
+ if (($ENV{'browser.fontenhance'} eq 'on') ||
+ ($ENV{'browser.blackwhite'} eq 'on')) { return ''; }
+ }
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
@@ -1242,7 +1271,7 @@ sub end_font {
return $currentstring;
}
-#-- <strike> tag
+#-- <strike> tag (end tag required)
sub start_strike {
my ($target,$token) = @_;
my $currentstring = '';
@@ -1268,7 +1297,7 @@ sub end_strike {
return $currentstring;
}
-#-- <s> tag
+#-- <s> tag (end tag required)
sub start_s {
my ($target,$token) = @_;
my $currentstring = '';
@@ -1294,14 +1323,14 @@ sub end_s {
return $currentstring;
}
-#-- <sub> tag
+#-- <sub> tag (end tag required)
sub start_sub {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
- $currentstring .= "\$_{ ";
+ $currentstring .= "\$_{";
}
return $currentstring;
}
@@ -1312,19 +1341,19 @@ sub end_sub {
if ($target eq 'web') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
- $currentstring .= " }\$";
+ $currentstring .= "}\$";
}
return $currentstring;
}
-#-- <sup> tag
+#-- <sup> tag (end tag required)
sub start_sup {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
- $currentstring .= "\$^{ ";
+ $currentstring .= "\$^{";
}
return $currentstring;
}
@@ -1335,26 +1364,26 @@ sub end_sup {
if ($target eq 'web') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
- $currentstring .= " }\$";
+ $currentstring .= "}\$";
}
return $currentstring;
}
-#-- <hr> tag
+#-- <hr> tag (end tag forbidden)
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);
+ my $LaTeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
if (defined $LaTeXwidth) {
if ($LaTeXwidth=~/^%/) {
substr($LaTeXwidth,0,1)='';
$LaTeXwidth=($LaTeXwidth/100).'\textwidth';
}
} else {
- $LaTeXwidth ='0.95\textwidth';
+ $LaTeXwidth ='0.9\textwidth';
}
my ($pre,$post);
my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
@@ -1365,7 +1394,7 @@ sub start_hr {
} elsif ($align eq 'right') {
$pre=' \hfill \llap{'; $post='}';
}
- $currentstring .= ' \vskip 0 mm \noindent\makebox[\textwidth]{'.$pre.'\makebox['.
+ $currentstring .= ' \vskip 0 mm \noindent\makebox['.$LaTeXwidth.']{'.$pre.'\makebox['.
$LaTeXwidth.'][b]{\hrulefill}'.$post.'}\vskip 0 mm ';
}
return $currentstring;
@@ -1376,12 +1405,11 @@ sub end_hr {
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[2];
- } elsif ($target eq 'tex') {
- }
+ }
return $currentstring;
}
-#-- <div> tag
+#-- <div> tag (end tag required)
sub start_div {
my ($target,$token) = @_;
my $currentstring = '';
@@ -1400,52 +1428,52 @@ sub end_div {
return $currentstring;
}
-#-- <a> tag
+#-- <a> tag (end tag required)
sub start_a {
- my ($target,$token) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
+ my $a=&Apache::lonxml::get_param('href',$parstack,$safeeval,undef,1);
+ my $b=&Apache::lonxml::get_param('name',$parstack,$safeeval,undef,1);
+ if ($a=~/\S/) {
+ $a=~s/([^\\])%/$1\\\%/g;
+ $currentstring .= '\ref{URI: '.$a.'}';
+ } elsif ($b=~/\S/) {
+ $currentstring .= '\ref{Anchor: '.$b.'}';
+ } else {
+ $currentstring.='';
+ }
}
return $currentstring;
}
sub end_a {
- my ($target,$token,$tagstack,$stackref) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
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
+#-- <li> tag (end tag optional)
sub start_li {
- my ($target,$token,$tagstack,$stackref) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
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] ";
+ my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,1);
+ if ($type=~/circle/) {
+ $currentstring .= ' \item[o] ';
+ } elsif ($type=~/square/) {
+ $currentstring .= ' \item[$\Box$] ';
+ } elsif ($type ne '') {
+ $currentstring .= ' \item['.$type.'] ';
} else {
- $currentstring .= " \\item ";
+ $currentstring .= ' \item ';
}
}
return $currentstring;
@@ -1460,7 +1488,7 @@ sub end_li {
return $currentstring;
}
-#-- <u> tag
+#-- <u> tag (end tag required)
sub start_u {
my ($target,$token) = @_;
my $currentstring = '';
@@ -1486,7 +1514,7 @@ sub end_u {
return $currentstring;
}
-#-- <ul> tag
+#-- <ul> tag (end tag required)
sub start_ul {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
@@ -1529,7 +1557,7 @@ sub end_ul {
return $currentstring;
}
-#-- <menu> tag
+#-- <menu> tag (end tag required)
sub start_menu {
my ($target,$token) = @_;
my $currentstring = '';
@@ -1552,7 +1580,7 @@ sub end_menu {
return $currentstring;
}
-#-- <dir> tag
+#-- <dir> tag (end tag required)
sub start_dir {
my ($target,$token) = @_;
my $currentstring = '';
@@ -1575,7 +1603,7 @@ sub end_dir {
return $currentstring;
}
-#-- <ol> tag
+#-- <ol> tag (end tag required)
sub start_ol {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
@@ -1628,79 +1656,122 @@ sub end_ol {
return $currentstring;
}
-#-- <dl> tag
+#-- <dl> tag (end tag required)
sub start_dl {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
- $currentstring = '\begin{description}';
+ $currentstring = '\begin{description}';
+ @Apache::londefdef::description=();
+ $Apache::londefdef::DD_redirection=0;
+ $Apache::londefdef::DT_redirection=0;
}
return $currentstring;
}
sub end_dl {
- my ($target,$token) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
- $currentstring = '\end{description}';
+ if ($Apache::londefdef::DT_redirection) {
+ my $data=&item_cleanup;
+ push @Apache::londefdef::description,'\item['.$data.']';
+ $Apache::londefdef::DT_redirection=0;
+ } elsif ($Apache::londefdef::DD_redirection) {
+ $Apache::londefdef::description[-1].=&Apache::lonxml::endredirection();
+ }
+ foreach my $element (@Apache::londefdef::description) {
+ $currentstring.=' '.$element.' ';
+ }
+ @Apache::londefdef::description=();
+ $currentstring.='\end{description}';
}
return $currentstring;
}
-#-- <dt> tag
+#-- <dt> tag (end tag optional)
sub start_dt {
- my ($target,$token) = @_;
- my $currentstring = '';
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
+ my $currentstring='';
if ($target eq 'web') {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
- $currentstring = '\item[';
+ if ($Apache::londefdef::DT_redirection) {
+ my $data=&item_cleanup;
+ push @Apache::londefdef::description,'\item['.$data.']';
+ $Apache::londefdef::DT_redirection=0;
+ } elsif ($Apache::londefdef::DD_redirection) {
+ $Apache::londefdef::description[-1].=&Apache::lonxml::endredirection();
+ $Apache::londefdef::DD_redirection=0;
+ }
+ &Apache::lonxml::startredirection();
+ $Apache::londefdef::DT_redirection=1;
}
return $currentstring;
}
sub end_dt {
- my ($target,$token) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
- $currentstring = ']';
+ my $data=&item_cleanup;
+ push @Apache::londefdef::description,'\item['.$data.']';
+ $Apache::londefdef::DT_redirection=0;
}
return $currentstring;
}
-#-- <dd> tag
+sub item_cleanup {
+ my $item=&Apache::lonxml::endredirection();
+ $item=~s/\\begin{center}//g;
+ $item=~s/\\end{center}//g;
+ return $item;
+}
+
+#-- <dd> tag (end tag optional)
sub start_dd {
- my ($target,$token) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
+ } elsif ($target eq 'tex') {
+ if ($Apache::londefdef::DT_redirection) {
+ my $data=&item_cleanup;
+ push @Apache::londefdef::description,'\item['.$data.']';
+ $Apache::londefdef::DT_redirection=0;
+ }
+ $Apache::londefdef::DD_redirection=1;
+ &Apache::lonxml::startredirection();
}
return $currentstring;
}
sub end_dd {
- my ($target,$token) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
- }
+ } elsif ($target eq 'tex') {
+ $Apache::londefdef::description[-1].=&Apache::lonxml::endredirection();
+ $Apache::londefdef::DD_redirection=0;
+ }
return $currentstring;
}
-#-- <table> tag
+#-- <table> tag (end tag required)
sub start_table {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $textwidth;
+ my $textwidth='';
if (not defined @Apache::londefdef::table) {
$textwidth=&recalc($ENV{'form.textwidth'});
- $textwidth=~/(\d+)/;
- $textwidth=$1;
+ $textwidth=~/(\d+\.?\d*)/;
+ $textwidth=0.95*$1;
} else {
$textwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
}
@@ -1742,7 +1813,7 @@ sub start_table {
$Apache::londefdef::table[-1]{'vvinc'} = '';
}
$Apache::londefdef::table[-1]{'output'} = ' \noindent \begin{tabular} ';
- $currentstring = '\keephidden{NEW TABLE ENTRY '.$textwidth.'}';
+ $currentstring = '\keephidden{NEW TABLE ENTRY}';
}
return $currentstring;
}
@@ -1790,7 +1861,7 @@ sub end_table {
$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) {
+ if ($length_raw_row[$jn]<$available_length) {
$length_row_final[$jn]=$length_raw_row[$jn];
$available_length=$available_length-$length_raw_row[$jn];
$needed--;
@@ -1820,12 +1891,13 @@ sub end_table {
} else {
$currentstring .= $Apache::londefdef::table[-1]{'output'};
pop @Apache::londefdef::table;
+ undef @Apache::londefdef::table;
}
}
return $currentstring;
}
-#-- <tr> tag
+#-- <tr> tag (end tag optional)
sub start_tr {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
@@ -1848,74 +1920,118 @@ sub start_tr {
}
sub end_tr {
- my ($target,$token) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
+ if ($Apache::londefdef::TD_redirection) {
+ &end_td_tex($parstack,$parser,$safeeval);
+ }
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
+#-- <td> tag (end tag optional)
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();
+ $Apache::londefdef::TD_redirection = 1;
+ &tag_check('tr','td',$tagstack,$parstack,$parser,$safeeval);
}
return $currentstring;
}
-
+
+sub tag_check {
+ my ($good_tag,$bad_tag,$tagstack,$parstack,$parser,$safeeval) = @_;
+ my @ar=@$parstack;
+ for (my $i=$#ar-1;$i>=0;$i--) {
+ if (lc($$tagstack[$i]) eq $good_tag) {
+ &start_td_tex($parstack,$parser,$safeeval);
+ last;
+ } elsif (lc($$tagstack[$i]) eq $bad_tag) {
+ splice @ar, $i+1;
+ &end_td_tex(\@ar,$parser,$safeeval);
+ &start_td_tex($parstack,$parser,$safeeval);
+ last;
+ }
+ }
+ return '';
+}
+
+sub start_td_tex {
+ my ($parstack,$parser,$safeeval) = @_;
+ 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;
+ $Apache::londefdef::table[-1]{'counter_columns'}++;
+ &Apache::lonxml::startredirection();
+ return '';
+}
+
+sub end_td_tex {
+ my ($parstack,$parser,$safeeval) = @_;
+ 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+(\S.*)/$1/;
+ $data=~s/(.*\S)\s+$/$1/;
+ $data=~s/(\s)+/$1/;
+ my $current_length=0;
+ if ($data=~/\\vskip/) {
+ my $newdata=$data;
+ $newdata=~s/\\vskip \d*\.?\d*\s*mm/THISISJUSTTEMPORARYSEPARATOR/g;
+ my @newdata=split(/THISISJUSTTEMPORARYSEPARATOR/,$newdata);
+ foreach my $elementdata (@newdata) {
+ my $lengthnewdata=1.8*LATEX_length($elementdata);
+ if ($lengthnewdata>$current_length) {$current_length=$lengthnewdata;}
+ }
+ } else {
+ $current_length=1.8*LATEX_length($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'';
+}
+
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'};
+ $Apache::londefdef::TD_redirection =0;
+ &end_td_tex($parstack,$parser,$safeeval);
}
return $currentstring;
}
-#-- <th> tag
+#-- <th> tag (end tag optional)
sub start_th {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
@@ -1971,20 +2087,24 @@ sub end_th {
}
return $currentstring;
}
-#-- <img> tag
+#-- <img> tag (end tag forbidden)
sub start_img {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,
undef,1);
+ if (not $src and ($target eq 'web' or $target eq 'tex')) {
+ my $inside = &Apache::lonxml::get_all_text("/img",$parser);
+ &Apache::lonnet::logthis("inside was $inside");
+ return '';
+ }
$Apache::lonxml::extlinks[$#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];
+ $currentstring.= $token->[4];
} else {
my $alttag= &Apache::lonxml::get_param
('alt',$parstack,$safeeval,undef,1);
@@ -1992,14 +2112,13 @@ sub start_img {
$alttag=&Apache::lonmeta::alttag
($Apache::lonxml::pwd[-1],$src);
}
- $currentstring='[IMAGE: '.$alttag.']';
+ $currentstring.='[IMAGE: '.$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) {
+ if (-e $src) {
#defines the default size of image
my $image = Image::Magick->new;
my $current_figure = $image->Read($src);
@@ -2022,6 +2141,7 @@ sub start_img {
} elsif ($width ne '') {
$width_param = $width*$scaling;
}
+ if ($width_param > $ENV{'form.textwidth'}) {$width_param =0.95*$ENV{'form.textwidth'}}
my $file;
my $path;
if ($src =~ m!(.*)/([^/]*)$!) {
@@ -2052,7 +2172,11 @@ sub start_img {
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.'} ';
+ $newsrc=~s/\/home\/httpd\/html\/res//;
+ $newsrc=~s/\/home\/([^\/]*)\/public_html\//\/$1\//;
+ $newsrc=~s/\/\.\//\//;
+ $newsrc=~s/\/([^\/]+)\.(ps|eps)/\//;
+ $currentstring .= '\vskip 1 mm \graphicspath{{/home/httpd/prtspool'.$newsrc.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
}
}
} else {
@@ -2069,6 +2193,45 @@ sub start_img {
#<allow> tag will care about replication
}
}
+ } elsif ($target eq 'edit') {
+ $currentstring .=&Apache::edit::tag_start($target,$token);
+ $currentstring .=&Apache::edit::text_arg('Image Url:','src',$token,70).
+ &Apache::edit::browse('src',undef,'alt').' '.
+ &Apache::edit::search('src',undef,'alt').'<br />';
+ $currentstring .=&Apache::edit::text_arg('Description:','alt',$token,70).'<br />';
+ $currentstring .=&Apache::edit::text_arg('width (pixel):','width',$token,5);
+ $currentstring .=&Apache::edit::text_arg('height (pixel):','height',$token,5).'<br />';
+ $currentstring .=&Apache::edit::text_arg('TeXwidth (mm):','TeXwidth',$token,5);
+ $currentstring .=&Apache::edit::text_arg('TeXheight (mm):','TeXheight',$token,5);
+ $currentstring .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
+ my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval);
+ my $alt=&Apache::lonxml::get_param('alt',$parstack,$safeeval);
+ my $width=&Apache::lonxml::get_param('width',$parstack,$safeeval);
+ my $height=&Apache::lonxml::get_param('height',$parstack,$safeeval);
+ $currentstring .= '<img src="'.$src.'" alt="'.$alt.'" ';
+ if ($width) { $currentstring.=' width="'.$width.'" '; }
+ if ($height) { $currentstring.=' height="'.$height.'" '; }
+ $currentstring .= ' />';
+ } elsif ($target eq 'modified') {
+ my $constructtag=&Apache::edit::get_new_args($token,$parstack,
+ $safeeval,'src','alt',
+ 'TeXwidth','TeXheight',
+ 'width','height');
+ $src=$token->[2]{'src'};
+ if (!$token->[2]{'width'} && !$token->[2]{'height'}) {
+ $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
+ &image_replication($src);
+ if (-e $src) {
+ my $image = Image::Magick->new;
+ my ($width, $height, $size, $format) = $image->Ping($src);
+ if ($width && $height) {
+ $token->[2]{'width'} =$width;
+ $token->[2]{'height'}=$height;
+ $constructtag=1;
+ }
+ }
+ }
+ if ($constructtag) {$currentstring=&Apache::edit::rebuild_tag($token);}
}
return $currentstring;
}
@@ -2084,7 +2247,7 @@ sub end_img {
return $currentstring;
}
-#-- <applet> tag
+#-- <applet> tag (end tag required)
sub start_applet {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
@@ -2109,7 +2272,16 @@ sub start_applet {
$currentstring='[APPLET: '.$alttag.']';
}
} elsif ($target eq 'tex') {
- $currentstring = " \\begin{figure} ";
+ my $alttag= &Apache::lonxml::get_param('alt',$parstack,
+ $safeeval,undef,1);
+ unless ($alttag) {
+ my $code=&Apache::lonxml::get_param('code',$parstack,$safeeval,
+ undef,1);
+ $alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],
+ $code);
+ }
+ $currentstring.='\begin{center} \fbox{Java Applet: '.$alttag.
+ '.}\end{center}';
}
return $currentstring;
}
@@ -2120,12 +2292,11 @@ sub end_applet {
if ($target eq 'web') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
- $currentstring = " \\end{figure}";
}
return $currentstring;
}
-#-- <embed> tag
+#-- <embed> tag (end tag optional/required)
sub start_embed {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
@@ -2143,7 +2314,6 @@ sub start_embed {
$currentstring='[EMBED: '.$alttag.']';
}
} elsif ($target eq 'tex') {
- $currentstring = " \\begin{figure} ";
}
return $currentstring;
}
@@ -2153,13 +2323,12 @@ sub end_embed {
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
- } elsif ($target eq 'tex') {
- $currentstring = " \\end{figure}";
+ } elsif ($target eq 'tex') {
}
return $currentstring;
}
-#-- <param> tag
+#-- <param> tag (end tag forbidden)
sub start_param {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
if (&Apache::lonxml::get_param
@@ -2173,7 +2342,6 @@ sub start_param {
if ($target eq 'web') {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
- $currentstring = " \\begin{figure} ";
}
return $currentstring;
}
@@ -2184,7 +2352,6 @@ sub end_param {
if ($target eq 'web') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
- $currentstring = " \\end{figure}";
}
return $currentstring;
}
@@ -2194,7 +2361,8 @@ sub start_allow {
my ($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;
+ $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
+ &Apache::lonnet::clutter($src);
&image_replication($src);
my $result;
if ($target eq 'edit') {
@@ -2215,12 +2383,14 @@ sub end_allow {
return '';
}
-#-- Frames
+#-- Frames (end tag required)
+#-- <frameset>
sub start_frameset {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
- if (!$Apache::lonxml::registered) {
+ if (!$Apache::lonxml::registered &&
+ $ENV{'request.state'} eq 'published') {
$currentstring.='<head>'.
&Apache::lonmenu::registerurl(undef,$target).'</head>';
}
@@ -2260,16 +2430,37 @@ sub end_frameset {
return $currentstring;
}
-#-- <pre>
+#-- <xmp> (end tag required)
+sub start_xmp {
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
+ my $currentstring = '';
+ if ($target eq 'web') {
+ $currentstring .= $token->[4];
+ } elsif ($target eq 'tex') {
+ $currentstring .= '\begin{verbatim}';
+ }
+ return $currentstring;
+}
+
+sub end_xmp {
+ my ($target,$token) = @_;
+ my $currentstring = '';
+ if ($target eq 'web') {
+ $currentstring .= $token->[2];
+ } elsif ($target eq 'tex') {
+ $currentstring .= '\end{verbatim}';
+ }
+ return $currentstring;
+}
+
+#-- <pre> (end tag required)
sub start_pre {
my ($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}';
+ $currentstring .= '\begin{verbatim}';
}
return $currentstring;
}
@@ -2280,7 +2471,7 @@ sub end_pre {
if ($target eq 'web') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
- $currentstring .= '\end{verbatim}}';
+ $currentstring .= '\end{verbatim}';
}
return $currentstring;
}
@@ -2345,7 +2536,7 @@ sub end_blankspace {
return $currentstring;
}
-#-- <abbr> tag
+#-- <abbr> tag (end tag required)
sub start_abbr {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2364,7 +2555,7 @@ sub end_abbr {
return $currentstring;
}
-#-- <acronym> tag
+#-- <acronym> tag (end tag required)
sub start_acronym {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2383,7 +2574,7 @@ sub end_acronym {
return $currentstring;
}
-#-- <area> tag
+#-- <area> tag (end tag forbidden)
sub start_area {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2402,13 +2593,13 @@ sub end_area {
return $currentstring;
}
-#-- <base> tag
+#-- <base> tag (end tag forbidden)
sub start_base {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
- }
+ }
return $currentstring;
}
@@ -2421,7 +2612,7 @@ sub end_base {
return $currentstring;
}
-#-- <bdo> tag
+#-- <bdo> tag (end tag required)
sub start_bdo {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2440,7 +2631,7 @@ sub end_bdo {
return $currentstring;
}
-#-- <bgsound> tag
+#-- <bgsound> tag (end tag optional)
sub start_bgsound {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2459,7 +2650,7 @@ sub end_bgsound {
return $currentstring;
}
-#-- <blink> tag
+#-- <blink> tag (end tag required)
sub start_blink {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2478,7 +2669,7 @@ sub end_blink {
return $currentstring;
}
-#-- <blockquote> tag
+#-- <blockquote> tag (end tag required)
sub start_blockquote {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2497,7 +2688,7 @@ sub end_blockquote {
return $currentstring;
}
-#-- <button> tag
+#-- <button> tag (end tag required)
sub start_button {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2516,7 +2707,7 @@ sub end_button {
return $currentstring;
}
-#-- <caption> tag
+#-- <caption> tag (end tag required)
sub start_caption {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2535,7 +2726,7 @@ sub end_caption {
return $currentstring;
}
-#-- <col> tag
+#-- <col> tag (end tag forbdden)
sub start_col {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2554,7 +2745,7 @@ sub end_col {
return $currentstring;
}
-#-- <colgroup> tag
+#-- <colgroup> tag (end tag optional)
sub start_colgroup {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2573,7 +2764,7 @@ sub end_colgroup {
return $currentstring;
}
-#-- <del> tag
+#-- <del> tag (end tag required)
sub start_del {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2592,7 +2783,7 @@ sub end_del {
return $currentstring;
}
-#-- <fieldset> tag
+#-- <fieldset> tag (end tag required)
sub start_fieldset {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2611,7 +2802,7 @@ sub end_fieldset {
return $currentstring;
}
-#-- <frame> tag
+#-- <frame> tag (end tag forbidden)
sub start_frame {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2630,7 +2821,7 @@ sub end_frame {
return $currentstring;
}
-#-- <iframe> tag
+#-- <iframe> tag (end tag required)
sub start_iframe {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2649,7 +2840,7 @@ sub end_iframe {
return $currentstring;
}
-#-- <ins> tag
+#-- <ins> tag (end tag required)
sub start_ins {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2668,7 +2859,7 @@ sub end_ins {
return $currentstring;
}
-#-- <isindex> tag
+#-- <isindex> tag (end tag forbidden)
sub start_isindex {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2687,7 +2878,7 @@ sub end_isindex {
return $currentstring;
}
-#-- <keygen> tag
+#-- <keygen> tag (end tag forbidden)
sub start_keygen {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2725,7 +2916,7 @@ sub end_label {
return $currentstring;
}
-#-- <layer> tag
+#-- <layer> tag (end tag required)
sub start_layer {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2744,7 +2935,7 @@ sub end_layer {
return $currentstring;
}
-#-- <legend> tag
+#-- <legend> tag (end tag required)
sub start_legend {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2763,7 +2954,7 @@ sub end_legend {
return $currentstring;
}
-#-- <link> tag
+#-- <link> tag (end tag forbidden)
sub start_link {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2782,7 +2973,7 @@ sub end_link {
return $currentstring;
}
-#-- <marquee> tag
+#-- <marquee> tag (end tag optional)
sub start_marquee {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2801,8 +2992,8 @@ sub end_marquee {
return $currentstring;
}
-#-- <malticol> tag
-sub start_malticol {
+#-- <multicol> tag (end tag required)
+sub start_multicol {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
@@ -2811,7 +3002,7 @@ sub start_malticol {
return $currentstring;
}
-sub end_malticol {
+sub end_multicol {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
@@ -2820,13 +3011,15 @@ sub end_malticol {
return $currentstring;
}
-#-- <nobr> tag
+#-- <nobr> tag (end tag required)
sub start_nobr {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
- }
+ } elsif ($target eq 'tex') {
+ $currentstring='\mbox{';
+ }
return $currentstring;
}
@@ -2835,11 +3028,13 @@ sub end_nobr {
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
- }
+ } elsif ($target eq 'tex') {
+ $currentstring='}';
+ }
return $currentstring;
}
-#-- <noembed> tag
+#-- <noembed> tag (end tag required)
sub start_noembed {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2858,7 +3053,7 @@ sub end_noembed {
return $currentstring;
}
-#-- <noframes> tag
+#-- <noframes> tag (end tag required)
sub start_noframes {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2877,7 +3072,7 @@ sub end_noframes {
return $currentstring;
}
-#-- <nolayer> tag
+#-- <nolayer> tag (end tag required)
sub start_nolayer {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2896,7 +3091,7 @@ sub end_nolayer {
return $currentstring;
}
-#-- <noscript> tag
+#-- <noscript> tag (end tag required)
sub start_noscript {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2915,7 +3110,7 @@ sub end_noscript {
return $currentstring;
}
-#-- <object> tag
+#-- <object> tag (end tag required)
sub start_object {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2934,7 +3129,7 @@ sub end_object {
return $currentstring;
}
-#-- <optgroup> tag
+#-- <optgroup> tag (end tag required)
sub start_optgroup {
my ($target,$token) = @_;
my $currentstring = '';
@@ -2953,13 +3148,15 @@ sub end_optgroup {
return $currentstring;
}
-#-- <samp> tag
+#-- <samp> tag (end tag required)
sub start_samp {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
- }
+ } elsif ($target eq 'tex') {
+ $currentstring='\texttt{';
+ }
return $currentstring;
}
@@ -2968,7 +3165,9 @@ sub end_samp {
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[2];
- }
+ } elsif ($target eq 'tex') {
+ $currentstring='}';
+ }
return $currentstring;
}
@@ -2991,7 +3190,7 @@ sub end_server {
return $currentstring;
}
-#-- <spacer> tag
+#-- <spacer> tag (end tag forbidden)
sub start_spacer {
my ($target,$token) = @_;
my $currentstring = '';
@@ -3010,7 +3209,7 @@ sub end_spacer {
return $currentstring;
}
-#-- <span> tag
+#-- <span> tag (end tag required)
sub start_span {
my ($target,$token) = @_;
my $currentstring = '';
@@ -3029,7 +3228,7 @@ sub end_span {
return $currentstring;
}
-#-- <tbody> tag
+#-- <tbody> tag (end tag optional)
sub start_tbody {
my ($target,$token) = @_;
my $currentstring = '';
@@ -3048,7 +3247,7 @@ sub end_tbody {
return $currentstring;
}
-#-- <tfoot> tag
+#-- <tfoot> tag (end tag optional)
sub start_tfoot {
my ($target,$token) = @_;
my $currentstring = '';
@@ -3067,7 +3266,7 @@ sub end_tfoot {
return $currentstring;
}
-#-- <thead> tag
+#-- <thead> tag (end tag optional)
sub start_thead {
my ($target,$token) = @_;
my $currentstring = '';
@@ -3092,7 +3291,9 @@ sub start_var {
my $currentstring = '';
if ($target eq 'web') {
$currentstring = $token->[4];
- }
+ } elsif ($target eq 'tex') {
+ $currentstring = '\textit{';
+ }
return $currentstring;
}
@@ -3100,12 +3301,14 @@ sub end_var {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web') {
- $currentstring = $token->[2];
+ $currentstring = $token->[2];
+ } elsif ($target eq 'tex') {
+ $currentstring = '}';
}
return $currentstring;
}
-#-- <wbr> tag
+#-- <wbr> tag (end tag forbidden)
sub start_wbr {
my ($target,$token) = @_;
my $currentstring = '';
@@ -3124,7 +3327,6 @@ sub end_wbr {
return $currentstring;
}
-
#-- <hideweboutput> tag
sub start_hideweboutput {
my ($target,$token) = @_;
@@ -3146,18 +3348,14 @@ sub end_hideweboutput {
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);
- }
- }
+ if (not -e $src) { &Apache::lonnet::repcopy($src); }
+ #replicates eps or ps
+ my $epssrc = my $pssrc = $src;
+ $epssrc =~ s/\.(gif|jpg|jpeg|png)$/.eps/i;
+ $pssrc =~ s/\.(gif|jpg|jpeg|png)$/.ps/i;
+ if (not -e $epssrc && not -e $pssrc) {
+ my $result=&Apache::lonnet::repcopy($epssrc);
+ if ($result ne OK) { &Apache::lonnet::repcopy($pssrc); }
}
return '';
}
@@ -3180,5 +3378,26 @@ sub recalc {
return $value.' mm';
}
+sub LATEX_length {
+ my $garbage=shift;
+ $garbage=~s/^\s+(\S.*)/$1/;
+ $garbage=~s/(.*\S)\s+$/$1/;
+ $garbage=~s/(\s)+/$1/;
+ $garbage=~s/(\\begin{([^\}]+)}|\\end{([^\}]+)})//g;
+ $garbage=~s/(\$\_\{|\$\_|\$\^{|\$\^|\}\$|\$)//g;
+ $garbage=~s/(\\alpha|\\beta|\\gamma|\\delta|\\epsilon|\\verepsilon|\\zeta|\\eta|\\theta|\\vartheta|\\iota|\\kappa|\\lambda|\\mu|\\nu|\\xi|\\pi|\\varpi|\\rho|\\varrho|\\sigma|\\varsigma|\\tau|\\upsilon|\\phi|\\varphi|\\chi|\\psi|\\omega|\\Gamma|\\Delta|\\Theta|\\Lambda|\\Xi|\\Pi|\\Sigma|\\Upsilon|\\Phi|\\Psi|\\Omega)/1/g;
+ $garbage=~s/(\\pm|\\mp|\\times|\\div|\\cdot|\\ast|\\star|\\dagger|\\ddagger|\\amalg|\\cap|\\cup|\\uplus|\\sqcap|\\sqcup|\\vee|\\wedge|\\oplus|\\ominus|\\otimes|\\circ|\\bullet|\\diamond|\\lhd|\\rhd|\\unlhd|\\unrhd|\\oslash|\\odot|\\bigcirc|\\Box|\\Diamond|\\bigtriangleup|\\bigtriangledown|\\triangleleft|\\triangleright|\\setminus|\\wr)/1/g;
+ $garbage=~s/(\\le|\\ll|\\leq|\\ge|\\geq|\\gg|\\neq|\\doreq|\\sim|\\simeq|\\subset|\\subseteq|\\sqsubset|\\sqsubseteq|\\in|\\vdash|\\models|\\supset|\\supseteq|\\sqsupset|\\sqsupseteq|\\ni|\\dash|\\perp|\\approx|\\cong|\\equiv|\\propto|\\prec|\\preceq|\\parallel|\\asymp|\\smile|\\frown|\\bowtie|\\succ|\\succeq|\\mid)/1/g;
+ $garbage=~s/(\\not<|\\\\not\\le|\\not\\prec|\\not\\preceq|\\not\\subset|\\not\\subseteq|\\not\\sqsubseteq|\\not\\in|\\not>|\\not\\ge|\\not\\succ|\\notsucceq|\\not\\supset|\\notsupseteq|\\not\\sqsupseteq|\\notin|\\not=|\\not\\equiv|\\not\\sim|\\not\\simeq|\\not\\approx|\\not\\cong|\\not\\asymp)/1/g;
+ $garbage=~s/(\\leftarrow|\\gets|\\Leftarrow|\\rightarrow|\\to|\\Rightarrow|\\leftrightarrow|\\Leftrightarrow|\\mapsto|\\hookleftarrow|\\leftharpoonup|\\leftkarpoondown|\\rightleftharpoons|\\longleftarrow|\\Longleftarrow|\\longrightarrow|\\Longrightarrow|\\longleftrightarrow|\\Longleftrightarrow|\\longmapsto|\\hookrightarrow|\\rightharpoonup|\\rightharpoondown|\\uparrow|\\Uparrow|\\downarrow|\\Downarrow|\\updownarrow|\\Updownarrow|\\nearrow|\\searrow|\\swarrow|\\nwarrow)/1/g;
+ $garbage=~s/(\\aleph|\\hbar|\\imath|\\jmath|\\ell|\\wp|\\Re|\\Im|\\mho|\\prime|\\emptyset|\\nabla|\\surd|\\partial|\\top|\\bot|\\vdash|\\dashv|\\forall|\\exists|\\neg|\\flat|\\natural|\\sharp|\\\||\\angle|\\backslash|\\Box|\\Diamond|\\triangle|\\clubsuit|\\diamondsuit|\\heartsuit|\\spadesuit|\\Join|\\infty)/ /g;
+ $garbage=~s/(\\hat{([^}]+)}|\\check{([^}]+)}|\\dot{([^}]+)}|\\breve{([^}]+)}|\\acute{([^}]+)}|\\ddot{([^}]+)}|\\grave{([^}]+)}|\\tilde{([^}]+)}|\\mathring{([^}]+)}|\\bar{([^}]+)}|\\vec{([^}]+)})/$1/g;
+ my $value=length($garbage);
+ return $value;
+}
+
+
+
+
1;
__END__