--- loncom/xml/londefdef.pm 2003/11/09 01:19:47 1.190
+++ loncom/xml/londefdef.pm 2006/11/06 23:45:00 1.343
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# Tags Default Definition Module
#
-# $Id: londefdef.pm,v 1.190 2003/11/09 01:19:47 albertel Exp $
+# $Id: londefdef.pm,v 1.343 2006/11/06 23:45:00 foxr Exp $
#
#
# Copyright Michigan State University Board of Trustees
@@ -36,14 +36,10 @@
# 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 Apache::lonnet;
use strict;
use Apache::lonxml;
use Apache::File();
@@ -51,7 +47,8 @@ use Image::Magick;
use Apache::lonmenu();
use Apache::lonmeta();
use Apache::Constants qw(:common);
-
+use File::Basename;
+# use Data::Dumper;
BEGIN {
@@ -59,13 +56,31 @@ BEGIN {
}
+#
+# Dumps all elements of the table structure.
+# Need this 'cause evidently when given an array, Data::Dumper only seems
+# to dump element 0.
+#
+#sub debug_dump_table {
+# my $lastrow = $#Apache::londefdef::table;
+# &Apache::lonnet::logthis("Dumping table: Last row index: $lastrow");
+# my $row;
+# for ($row =0; $row <= $lastrow; $row++ ) {
+# my $text = Dumper($Apache::londefdef::table[$row]);
+# &Apache::lonnet::logthis("table [ $row ]".$text);
+# }
+#}
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;
+ undef(@Apache::londefdef::description);
+ @Apache::londefdef::DD=(0);
+ @Apache::londefdef::DT=(0);
+ @Apache::londefdef::seenDT=(0);
+ $Apache::londefdef::list_index=0;
+ undef($Apache::londefdef::head);
+ undef($Apache::londefdef::title);
}
#======================= TAG SUBROUTINES =====================
@@ -84,21 +99,29 @@ sub end_output {
sub start_m {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
my $currentstring = '';
- my $inside = &Apache::lonxml::get_all_text("/m",$parser,$style);
- $inside=~s---g;
- if ($target eq 'web') {
- $Apache::lonxml::prevent_entity_encode++;
- $inside ='\\documentstyle{article}'.$inside;
+ my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
+ if ($target eq 'web' || $target eq 'analyze') {
&Apache::lonxml::debug("M is starting with:$inside:");
my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval);
if ($eval eq 'on') {
$inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
#&Apache::lonxml::debug("M is evaulated to:$inside:");
}
- $currentstring = &Apache::lontexconvert::converted(\$inside);
+ my $tex = $inside;
+ my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
+ $currentstring = &Apache::lontexconvert::converted(\$inside,$display);
if ($Apache::lontexconvert::errorstring) {
- &Apache::lonxml::warning("tth error: ".
- $Apache::lontexconvert::errorstring);
+ my $errormsg=''.&HTML::Entities::encode($Apache::lontexconvert::errorstring,'<>&"').'
occured while attempting to convert this TeX: ';
+ $tex = &HTML::Entities::encode($tex,'<>&"');
+ my ($linenumber) =
+ ($Apache::lontexconvert::errorstring =~ /Line (\d+)/);
+ if (defined($linenumber)) {
+ my @tex=split("\n",$tex);
+ $tex[$linenumber]=''.
+ $tex[$linenumber].'';
+ $tex=join("\n",@tex);
+ }
+ &Apache::lonxml::warning($errormsg.$tex.'');
$Apache::lontexconvert::errorstring='';
}
#&Apache::lonxml::debug("M is ends with:$currentstring:");
@@ -110,6 +133,13 @@ sub start_m {
$currentstring=&Apache::run::evaluate($currentstring,$safeeval,$$parstack[-1]);
}
if ($currentstring=~/^(\s*\\\\\s*)*$/) {$currentstring = ' \vskip 0 mm ';}
+ # detect simple math mode entry exits, and convert them
+ # to use \ensuremath
+ if ($currentstring=~/^\s*\$[^\$].*[^\$]\$\s*$/) {
+ $currentstring=~s/^(\s*)\$/$1/;
+ $currentstring=~s/\$(\s*)$/$1/;
+ $currentstring='\ensuremath{'.$currentstring.'}';
+ }
$Apache::lonxml::post_evaluate=0;
}
return $currentstring;
@@ -118,22 +148,20 @@ sub start_m {
sub end_m {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
- $Apache::lonxml::prevent_entity_encode--;
- } elsif ($target eq 'tex') {
+ if ($target eq 'tex') {
$currentstring = "";
- } elsif ($target eq 'meta') {
}
return $currentstring;
}
sub start_tthoption {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
my $result;
- if ($target eq 'web') {
- my $inside = &Apache::lonxml::get_all_text("/tthoption",$parser);
+ if ($target eq 'web' || $target eq 'webgrade') {
+ my $inside = &Apache::lonxml::get_all_text("/tthoption",$parser,
+ $style);
$inside=~s/^\s*//;
- if ($ENV{'browser.mathml'}) {
+ if ($env{'browser.mathml'}) {
&tth::ttmoptions($inside);
} else {
&tth::tthoptions($inside);
@@ -152,46 +180,40 @@ sub end_tthoption {
sub start_html {
my ($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' || $target eq 'edit') {
- $currentstring = &Apache::lonxml::xmlbegin().
- &Apache::lonxml::fontsettings();
- } elsif ($target eq 'tex') {
- @Apache::londefdef::table = ();
- $currentstring .= '\documentclass[letterpaper]{article}';
- if ($ENV{'form.latex_type'}=~'batchmode') {$currentstring .='\batchmode';}
- $currentstring .= '\newcommand{\keephidden}[1]{}
- \renewcommand{\deg}{$^{\circ}$}
- \usepackage{longtable}
- \usepackage{textcomp}
- \usepackage{makeidx}
- \usepackage[dvips]{graphicx}
- \usepackage{epsfig}\usepackage{calc}
-\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}\setlength{\abovedisplayshortskip}{-0.04in}\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}
-\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large\textbf{Index}} \newline \setlength{\rightmargin}{0in}\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}\setlength{\abovedisplayshortskip}{-0.04in}\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}';
+ if ($target eq 'web' || $target eq 'edit' || $target eq 'webgrade' ) {
+ # start_body() takes care of emitting the
+ } elsif ($target eq 'tex') {
+ $currentstring .=
+ '\documentclass[letterpaper,twoside]{article}\raggedbottom';
+ if (($env{'form.latex_type'}=~'batchmode') ||
+ (!$env{'request.role.adv'})) {$currentstring .='\batchmode';}
+ $currentstring .= '\newcommand{\keephidden}[1]{}'.
+ '\renewcommand{\deg}{$^{\circ}$}'.
+ '\usepackage{multirow}'.
+ '\usepackage{longtable}'.
+ '\usepackage{textcomp}'.
+ '\usepackage{makeidx}'.
+ '\usepackage[dvips]{graphicx}'.
+ '\usepackage{wrapfig}'.
+ '\usepackage{picins}'.
+ '\usepackage{epsfig}'.
+ '\usepackage{calc}'.
+ '\usepackage{amsmath}'.
+ '\usepackage{amssymb}'.
+ '\usepackage{amsfonts}'.
+ '\usepackage{amsthm}'.
+ '\usepackage{amscd}'.
+ '\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 $currentstring;
}
sub end_html {
- my ($target,$token) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
- $currentstring = &Apache::lonxml::xmlend();
+ if ($target eq 'web' || $target eq 'webgrade') {
+ # end_body takes care of the
}
return $currentstring;
}
@@ -200,8 +222,8 @@ sub end_html {
sub start_head {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
- $currentstring = $token->[4];
+ if ($target eq 'web' || $target eq 'webgrade') {
+ &Apache::lonxml::startredirection();
}
return $currentstring;
}
@@ -209,9 +231,12 @@ sub start_head {
sub end_head {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web' && $ENV{'request.state'} eq 'published') {
- $currentstring = &Apache::lonmenu::registerurl(undef,$target).
- $token->[2];
+ if (($target eq 'web' && $env{'request.state'} eq 'published') ||
+ ($target eq 'webgrade' && $env{'request.state'} eq 'published')) {
+ # in case there is a but no
+ if ($Apache::lonxml::redirection) {
+ $Apache::londefdef::head = &Apache::lonxml::endredirection();
+ }
}
return $currentstring;
}
@@ -220,7 +245,7 @@ sub end_head {
sub start_map {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -229,7 +254,7 @@ sub start_map {
sub end_map {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -239,7 +264,7 @@ sub end_map {
sub start_select {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
$Apache::londefdef::select=0;
@@ -250,7 +275,7 @@ sub start_select {
sub end_select {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -260,7 +285,7 @@ sub end_select {
sub start_option {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
$Apache::londefdef::select++;
@@ -276,7 +301,7 @@ sub start_option {
sub end_option {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
$currentstring='}';
@@ -288,7 +313,7 @@ sub end_option {
sub start_input {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -297,7 +322,7 @@ sub start_input {
sub end_input {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -307,7 +332,7 @@ sub end_input {
sub start_textarea {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -316,7 +341,7 @@ sub start_textarea {
sub end_textarea {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -326,7 +351,7 @@ sub end_textarea {
sub start_form {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -335,7 +360,7 @@ sub start_form {
sub end_form {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -343,10 +368,11 @@ sub end_form {
#-- tag (end tag required)
sub start_title {
- my ($target,$token) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
my $currentstring = '';
- if ($target eq 'web') {
- $currentstring = $token->[4];
+ if ($target eq 'web' || $target eq 'webgrade') {
+ $Apache::londefdef::title =
+ &Apache::lonxml::get_all_text('/title',$parser,$style);
} elsif ($target eq 'tex') {
$currentstring .= '\keephidden{Title of the document: '
}
@@ -360,8 +386,8 @@ sub start_title {
sub end_title {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
- $currentstring = $token->[2];
+ if ($target eq 'web' || $target eq 'webgrade') {
+ # start_title takes care of swallowing the title
} elsif ($target eq 'tex') {
$currentstring .= '}';
}
@@ -374,13 +400,13 @@ sub end_title {
#-- <meta> tag (end tag forbidden)
sub start_meta {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
my $args='';
if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
if ($args eq '') {
- &Apache::lonxml::get_all_text("/meta",$parser);
+ &Apache::lonxml::get_all_text("/meta",$parser,$style);
} else {
$currentstring = $token->[4];
}
@@ -407,7 +433,7 @@ sub start_meta {
my $display=&Apache::lonxml::get_param
('display',$parstack,$safeeval,undef,1);
if ($display) {
- $display=&HTML::Entities::encode($display);
+ $display=&HTML::Entities::encode($display,'<>&"');
$currentstring.='<'.$name.'.display>'.$display.
'</'.$name.'.display>';
}
@@ -425,7 +451,7 @@ sub start_meta {
sub end_meta {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
my $args='';
if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
if ($args ne '') {
@@ -443,7 +469,7 @@ sub end_meta {
# accessrule
sub start_accessrule {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
my $currentstring = '';
my $eff=&Apache::lonxml::get_param
('effect',$parstack,$safeeval,undef,1);
@@ -462,7 +488,7 @@ sub start_accessrule {
my $args='';
if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
if ($args eq '') {
- &Apache::lonxml::get_all_text("/accessrule",$parser);
+ &Apache::lonxml::get_all_text("/accessrule",$parser,$style);
} else {
$currentstring = $token->[4];
}
@@ -490,71 +516,33 @@ sub end_accessrule {
sub start_body {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+
+ if ($target eq 'web' || $target eq 'webgrade') {
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) {
- $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]->{$_}.'"';
+ if (&is_inside_of($tagstack, "head")) {
+ &end_head(@_);
}
- $currentstring.='>';
- if ($ENV{'request.state'} ne 'published') {
+ $currentstring =
+ &Apache::loncommon::start_page($Apache::londefdef::title,
+ $Apache::londefdef::head,
+ {'add_entries' => $token->[2],
+ 'no_title' => 1,
+ 'force_register' => 1});
+
+ if ($env{'request.state'} ne 'published') {
+ $currentstring.=&Apache::lonmenu::constspaceform();
$currentstring.=(<<EDITBUTTON);
- <form method="post">
- <input type="submit" name="editmode" value="Edit" />
- </form>
+<form method="post">
+<input type="submit" name="editmode" accesskey="e" value="Edit" />
+</form>
+<br />
EDITBUTTON
- } else {
- $currentstring.=&Apache::lonmenu::menubuttons(undef,$target,1);
}
+ $currentstring.=&Apache::lonxml::message_location();
} elsif ($target eq 'tex') {
$currentstring = '\begin{document}';
}
@@ -562,47 +550,62 @@ EDITBUTTON
}
sub end_body {
- my ($target,$token) = @_;
- my $currentstring = '';
- if ($target eq 'web') {
- $currentstring = $token->[2];
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
+ my $currentstring = &end_p(); # Close off unclosed <p>
+ if ($target eq 'web' || $target eq 'webgrade') {
+ $currentstring .= &Apache::loncommon::end_page({'discussion' => 1});
} elsif ($target eq 'tex') {
- $currentstring = '\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent \end{document}';
+ $currentstring .= '\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent \end{document}';
}
return $currentstring;
}
+# \begin{center} causes a new paragprah spacing that looks odd inside
+# of a table cell. Same at the end of a \center but with a slightly
+# larger space .. hence center_correction and center_end_correction.
+#
+sub center_correction { return '\vspace*{-6 mm}'; }
+sub center_end_correction { return '\vspace*{-7 mm}'; }
+
#-- <center> tag (end tag required)
sub start_center {
- my ($target,$token) = @_;
- my $currentstring = '';
- if ($target eq 'web') {
- $currentstring = $token->[4];
+ my ($target,$token,$tagstack) = @_;
+ my $currentstring = &end_p(); # Close off any prior para.
+ if ($target eq 'web' || $target eq 'webgrade') {
+ $currentstring .= $token->[4];
} elsif ($target eq 'tex') {
- $currentstring = '\begin{center}';
+ if (&is_inside_of($tagstack, "table")) {
+ $currentstring .= ¢er_correction();
+ }
+ $currentstring .= '\begin{center}';
}
return $currentstring;
}
sub end_center {
- my ($target,$token) = @_;
+ my ($target,$token,$tagstack) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
$currentstring = '\end{center}';
+ if (&is_inside_of($tagstack, "table")) {
+ $currentstring .= ¢er_end_correction();
+ }
}
return $currentstring;
}
#-- <b> tag (end tag required)
+# NOTE: In TeX mode disables internal <p>
sub start_b {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
- $currentstring = '\textbf{';
+ &disable_para();
+ $currentstring .= '\textbf{';
}
return $currentstring;
}
@@ -610,21 +613,24 @@ sub start_b {
sub end_b {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
- $currentstring = '}';
+ &enable_para();
+ $currentstring = '}';
}
return $currentstring;
}
#-- <strong> tag (end tag required)
+# NOTE: in TeX mode disables internal <p>
sub start_strong {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
+ &disable_para();
$currentstring = '\textbf{';
}
return $currentstring;
@@ -633,9 +639,10 @@ sub start_strong {
sub end_strong {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
+ &enable_para();
$currentstring = '}';
}
return $currentstring;
@@ -644,13 +651,13 @@ sub end_strong {
#-- <h1> tag (end tag required)
sub start_h1 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = '';
- if ($target eq 'web') {
+ my $currentstring = &end_p(); # Close off any prior para.
+ if ($target eq 'web' || $target eq 'webgrade') {
$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)) {
+ my $align=lc(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1));
+ if ($align eq 'center') {
$pre='\begin{center}';
} elsif ($align eq 'left') {
$pre='\rlap{';
@@ -659,9 +666,9 @@ sub start_h1 {
}
my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
if (not defined $TeXsize) {$TeXsize="large";}
- $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
+ $currentstring .= '\strut\newline '.$pre.'{\\'.$TeXsize.' \textbf{';
} elsif ($target eq 'meta') {
- $currentstring='<subject>';
+ $currentstring.='<subject>';
&start_output($target);
}
return $currentstring;
@@ -670,12 +677,12 @@ sub start_h1 {
sub end_h1 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
- my $post;
+ my $post='\vskip 0 mm ';
my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
- if (($align eq 'center') || (not defined $align)) {
+ if ($align eq 'center') {
$post='\end{center}';
} elsif ($align eq 'left') {
$post='} \hfill'.'\vskip 0 mm ';
@@ -693,13 +700,13 @@ sub end_h1 {
#-- <h2> tag
sub start_h2 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = '';
- if ($target eq 'web') {
+ my $currentstring = &end_p(); # Close off any prior para.
+ if ($target eq 'web' || $target eq 'webgrade') {
$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)) {
+ if ($align eq 'center') {
$pre='\begin{center}';
} elsif ($align eq 'left') {
$pre='\rlap{';
@@ -708,7 +715,7 @@ sub start_h2 {
}
my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
if (not defined $TeXsize) {$TeXsize="large";}
- $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
+ $currentstring .= '\strut\newline '.$pre.'{\\'.$TeXsize.' \textbf{';
}
return $currentstring;
}
@@ -716,12 +723,12 @@ sub start_h2 {
sub end_h2 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
- my $post;
+ my $post='\vskip 0 mm ';
my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
- if (($align eq 'center') || (not defined $align)) {
+ if ($align eq 'center') {
$post='\end{center}';
} elsif ($align eq 'left') {
$post='} \hfill'.'\vskip 0 mm ';
@@ -736,13 +743,13 @@ sub end_h2 {
#-- <h3> tag
sub start_h3 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = '';
- if ($target eq 'web') {
+ my $currentstring = &end_p(); # Close off any prior para.
+ if ($target eq 'web' || $target eq 'webgrade') {
$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)) {
+ if ($align eq 'center') {
$pre='\begin{center}';
} elsif ($align eq 'left') {
$pre='\rlap{';
@@ -751,7 +758,7 @@ sub start_h3 {
}
my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
if (not defined $TeXsize) {$TeXsize="large";}
- $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
+ $currentstring .= '\strut\newline '.$pre.'{\\'.$TeXsize.' \textbf{';
}
return $currentstring;
}
@@ -759,12 +766,12 @@ sub start_h3 {
sub end_h3 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
- my $post;
+ my $post='\vskip 0 mm ';
my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
- if (($align eq 'center') || (not defined $align)) {
+ if ($align eq 'center') {
$post='\end{center}';
} elsif ($align eq 'left') {
$post='} \hfill'.'\vskip 0 mm ';
@@ -779,13 +786,13 @@ sub end_h3 {
#-- <h4> tag
sub start_h4 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = '';
- if ($target eq 'web') {
+ my $currentstring = &end_p(); # Close off any prior para.
+ if ($target eq 'web' || $target eq 'webgrade') {
$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)) {
+ if ($align eq 'center') {
$pre='\begin{center}';
} elsif ($align eq 'left') {
$pre='\rlap{';
@@ -794,7 +801,7 @@ sub start_h4 {
}
my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
if (not defined $TeXsize) {$TeXsize="large";}
- $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
+ $currentstring .= '\strut\newline '.$pre.'{\\'.$TeXsize.' \textbf{';
}
return $currentstring;
}
@@ -802,12 +809,12 @@ sub start_h4 {
sub end_h4 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
- my $post;
+ my $post='\vskip 0 mm ';
my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
- if (($align eq 'center') || (not defined $align)) {
+ if ($align eq 'center') {
$post='\end{center}';
} elsif ($align eq 'left') {
$post='} \hfill'.'\vskip 0 mm ';
@@ -822,13 +829,13 @@ sub end_h4 {
#-- <h5> tag
sub start_h5 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = '';
- if ($target eq 'web') {
+ my $currentstring = &end_p(); # Close off any prior paras.
+ if ($target eq 'web' || $target eq 'webgrade') {
$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)) {
+ if ($align eq 'center') {
$pre='\begin{center}';
} elsif ($align eq 'left') {
$pre='\rlap{';
@@ -837,7 +844,7 @@ sub start_h5 {
}
my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
if (not defined $TeXsize) {$TeXsize="large";}
- $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
+ $currentstring .= '\strut\newline '.$pre.'{\\'.$TeXsize.' \textbf{';
}
return $currentstring;
}
@@ -845,12 +852,12 @@ sub start_h5 {
sub end_h5 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
- my $post;
+ my $post='\vskip 0 mm ';
my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
- if (($align eq 'center') || (not defined $align)) {
+ if ($align eq 'center') {
$post='\end{center}';
} elsif ($align eq 'left') {
$post='} \hfill'.'\vskip 0 mm ';
@@ -865,13 +872,13 @@ sub end_h5 {
#-- <h6> tag
sub start_h6 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = '';
- if ($target eq 'web') {
+ my $currentstring = &end_p(); # Close off any prior paras.
+ if ($target eq 'web' || $target eq 'webgrade') {
$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)) {
+ if ($align eq 'center') {
$pre='\begin{center}';
} elsif ($align eq 'left') {
$pre='\rlap{';
@@ -880,7 +887,7 @@ sub start_h6 {
}
my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
if (not defined $TeXsize) {$TeXsize="large";}
- $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
+ $currentstring .= '\strut\newline '.$pre.'{\\'.$TeXsize.' \textbf{';
}
return $currentstring;
}
@@ -888,12 +895,12 @@ sub start_h6 {
sub end_h6 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
- my $post;
+ my $post='\vskip 0 mm ';
my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
- if (($align eq 'center') || (not defined $align)) {
+ if ($align eq 'center') {
$post='\end{center}';
} elsif ($align eq 'left') {
$post='} \hfill'.'\vskip 0 mm ';
@@ -909,7 +916,7 @@ sub end_h6 {
sub start_cite {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
$currentstring .= '\textit{';
@@ -920,7 +927,7 @@ sub start_cite {
sub end_cite {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
$currentstring .= '}';
@@ -932,7 +939,7 @@ sub end_cite {
sub start_i {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
$currentstring .= '\textit{';
@@ -943,7 +950,7 @@ sub start_i {
sub end_i {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
$currentstring .= '}';
@@ -955,7 +962,7 @@ sub end_i {
sub start_address {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
$currentstring .= '\textit{';
@@ -966,7 +973,7 @@ sub start_address {
sub end_address {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
$currentstring .= '}';
@@ -978,7 +985,7 @@ sub end_address {
sub start_dfn {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
$currentstring .= '\textit{';
@@ -989,7 +996,7 @@ sub start_dfn {
sub end_dfn {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
$currentstring .= '}';
@@ -1001,7 +1008,7 @@ sub end_dfn {
sub start_tt {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
$currentstring .= '\texttt{';
@@ -1012,7 +1019,7 @@ sub start_tt {
sub end_tt {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
$currentstring .= '}';
@@ -1024,7 +1031,7 @@ sub end_tt {
sub start_kbd {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
$currentstring .= '\texttt{';
@@ -1035,7 +1042,7 @@ sub start_kbd {
sub end_kbd {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
$currentstring .= '}';
@@ -1047,7 +1054,7 @@ sub end_kbd {
sub start_code {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
$currentstring .= '\texttt{';
@@ -1058,7 +1065,7 @@ sub start_code {
sub end_code {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
$currentstring .= '}';
@@ -1070,7 +1077,7 @@ sub end_code {
sub start_em {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
$currentstring .= '\emph{';
@@ -1081,7 +1088,7 @@ sub start_em {
sub end_em {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
$currentstring .= '}';
@@ -1093,7 +1100,7 @@ sub end_em {
sub start_q {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
$currentstring .= '\emph{';
@@ -1104,7 +1111,7 @@ sub start_q {
sub end_q {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
$currentstring .= '}';
@@ -1112,38 +1119,117 @@ sub end_q {
return $currentstring;
}
+# <p> is a bit strange since it does not require a closing </p>
+# However in latex, we must often output closing stuff to end
+# environments and {}'s etc. Therefore we do all the work
+# of figuring out the ending strings in the start tag processing,
+# and provide a mechanism to output the stop text external
+# to tag processing.
+#
+{
+
+ my $closing_string = ''; # String required to close <p>
+
+# Some tags are <p> fragile meaning that <p> inside of them
+# does not work within TeX mode. This is managed via the
+# counter below:
+#
+
+ my $para_disabled = 0;
+
+sub disable_para {
+ $para_disabled++;
+}
+sub enable_para {
+ $para_disabled--;
+}
+
+
#-- <p> tag (end tag optional)
+#optional attribute - align="center|left|right"
sub start_p {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
+ $currentstring .= &end_p(); # close off prior para if in progress.
$currentstring .= $token->[4];
- } elsif ($target eq 'tex') {
- my $signal=1;
- foreach my $tag (@$tagstack) {if (lc($tag) eq 'b') {$signal=0;}}
- if ($signal) {$currentstring .= '\par ';}
+ if (! ($currentstring =~ /\//)) {
+ $closing_string = '</p>'; # Deal correctly with <p /> e.g.
+ }
+ } elsif ($target eq 'tex' && !$para_disabled) {
+
+ $currentstring .= &end_p(); # close off prior para if in progress.
+ my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
+ if ($align eq 'center') {
+ $currentstring .='\begin{center}\par ';
+ $closing_string = '\end{center}';
+ if (&is_inside_of($tagstack, "table")) {
+ $currentstring = ¢er_correction().$currentstring;
+ }
+ } elsif ($align eq 'right') {
+ $currentstring.="\n".'{\flushright ';
+# $currentstring.='\makebox['.$env{'form.textwidth'}.']{\hfill\llap{';
+ $closing_string= "}\n";
+ } elsif ($align eq 'left') {
+ $currentstring.= "\n".'{\flushleft ';
+# $currentstring.='\noindent\makebox['.$env{'form.textwidth'}.']{{';
+ $closing_string = "}\n";
+ } else {
+ $currentstring.='\par ';
+ if (&is_inside_of($tagstack, 'table')) {
+ $closing_string = '\vskip 0pt'; # Seems to be consistent with <p> in tables.
+ } else {
+ $closing_string = '\strut\\\\\strut ';
+ }
+ }
+
}
return $currentstring;
}
-
+#
+# End paragraph processing just requires that we output the
+# closing string that was saved and blank it.
sub end_p {
- my ($target,$token) = @_;
- my $currentstring = '';
- if ($target eq 'web') {
- $currentstring .= $token->[2];
+ # Note only 'tex' mode uses disable_para and enable_para
+ # so we don't need to know the target in the check below:
+
+ if (!$para_disabled) {
+ my $current_string = $closing_string;
+ $closing_string = ''; # Not in a para anymore.
+ return $current_string;
+ } else {
+ return '';
}
- return $currentstring;
-}
+}
+}
#-- <br> tag (end tag forbidden)
sub start_br {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
- if ($$tagstack[-2] ne 'sub' && $$tagstack[-2] ne 'sup') {
- $currentstring .= '\vskip 0.2 mm ';
+ my @tempo=@$tagstack;
+ my $signal=0;
+ # Not going to factor this to is_inside_of since that would require
+ # multiple stack traversals.
+ #
+ for (my $i=$#tempo;$i>=0;$i--) {
+ if (($tempo[$i] eq 'b') || ($tempo[$i] eq 'strong') ||
+ ($tempo[$i] eq 'ol') || ($tempo[$i] eq 'ul')) {
+ $signal=1;
+ }
+ if (($tempo[$i] eq 'td') || ($tempo[$i] eq 'th')) {
+ $signal = 1;
+ }
+ }
+ if ($signal eq 1) {
+ $currentstring .= ' \vskip 0 mm ';
+ } elsif ($$tagstack[-2] ne 'sub' && $$tagstack[-2] ne 'sup') {
+ $currentstring .= '\strut \\\\ \strut ';
+ } else { # Honor break in simple <sup></sup>
+ $currentstring .= '}} \strut \\\\ \strut \ensuremath{^{';
}
}
return $currentstring;
@@ -1152,7 +1238,7 @@ sub start_br {
sub end_br {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
}
return $currentstring;
@@ -1162,7 +1248,7 @@ sub end_br {
sub start_big {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
$currentstring .= '{\large ';
@@ -1173,7 +1259,7 @@ sub start_big {
sub end_big {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
$currentstring .= '}';
@@ -1185,7 +1271,7 @@ sub end_big {
sub start_small {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
$currentstring .= '{\footnotesize ';
@@ -1196,7 +1282,7 @@ sub start_small {
sub end_small {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
$currentstring .= '}';
@@ -1208,7 +1294,7 @@ sub end_small {
sub start_basefont {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
my $basesize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
@@ -1222,7 +1308,7 @@ sub start_basefont {
sub end_basefont {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
my $basesize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
@@ -1237,13 +1323,11 @@ sub end_basefont {
sub start_font {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval);
- if ($face=~/symbol/i) {
- $Apache::lonxml::prevent_entity_encode++;
- } else {
- if (($ENV{'browser.fontenhance'} eq 'on') ||
- ($ENV{'browser.blackwhite'} eq 'on')) { return ''; }
+ if ($face!~/symbol/i) {
+ if (($env{'browser.fontenhance'} eq 'on') ||
+ ($env{'browser.blackwhite'} eq 'on')) { return ''; }
}
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
@@ -1258,9 +1342,7 @@ sub start_font {
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) {$Apache::lonxml::prevent_entity_encode--;}
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
@@ -1275,7 +1357,7 @@ sub end_font {
sub start_strike {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
&Apache::lonxml::startredirection();
@@ -1286,7 +1368,7 @@ sub start_strike {
sub end_strike {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
$currentstring=&Apache::lonxml::endredirection();
@@ -1301,7 +1383,7 @@ sub end_strike {
sub start_s {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
&Apache::lonxml::startredirection();
@@ -1312,7 +1394,7 @@ sub start_s {
sub end_s {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
$currentstring=&Apache::lonxml::endredirection();
@@ -1327,10 +1409,10 @@ sub end_s {
sub start_sub {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
- $currentstring .= "\$_{";
+ $currentstring .= '\ensuremath{_{';
}
return $currentstring;
}
@@ -1338,10 +1420,10 @@ sub start_sub {
sub end_sub {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
- $currentstring .= "}\$";
+ $currentstring .= '}}';
}
return $currentstring;
}
@@ -1350,10 +1432,10 @@ sub end_sub {
sub start_sup {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
- $currentstring .= "\$^{";
+ $currentstring .= '\ensuremath{^{';
}
return $currentstring;
}
@@ -1361,10 +1443,10 @@ sub start_sup {
sub end_sup {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
- $currentstring .= "}\$";
+ $currentstring .= '}}';
}
return $currentstring;
}
@@ -1372,8 +1454,8 @@ sub end_sup {
#-- <hr> tag (end tag forbidden)
sub start_hr {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = '';
- if ($target eq 'web') {
+ my $currentstring = &end_p(); # End enclosing para.
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
my $LaTeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
@@ -1403,37 +1485,79 @@ sub start_hr {
sub end_hr {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
}
return $currentstring;
}
#-- <div> tag (end tag required)
+{
+
+# Since div can be nested, the stack below is used
+# in 'tex' mode to store the ending strings
+# for the div stack.
+
+ my @div_end_stack;
+
sub start_div {
- my ($target,$token) = @_;
- my $currentstring = '';
- if ($target eq 'web') {
+ my ($target,$token, $tagstack, $parstack, $parser, $safeeval) = @_;
+ my $currentstring = &end_p(); # Close enclosing para.
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[4];
}
+ if ($target eq 'tex') {
+ # 4 possible alignments: left, right, center, and -missing-.
+
+ my $endstring = '';
+
+ my $align = lc(&Apache::lonxml::get_param('align', $parstack,
+ $safeeval, undef, 1));
+ if ($align eq 'center') {
+ $currentstring .= '\begin{center}';
+ $endstring = '\end{center}';
+ if (&is_inside_of($tagstack, "table")) {
+ $currentstring = ¢er_correction().$currentstring;
+ }
+ }
+ elsif ($align eq 'right') {
+ $currentstring .= '\begin{flushright}';
+ $endstring .= '\end{flushright}';
+ } elsif ($align eq 'left') {
+ $currentstring .= '\begin{flushleft}';
+ $endstring = '\end{flushleft}';
+ } else {
+
+ }
+ $currentstring .= "\n"; # For human readability.
+ $endstring = "\n$endstring\n"; # For human readability
+ push(@div_end_stack, $endstring);
+ }
return $currentstring;
}
sub end_div {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
- }
+ }
+ if ($target eq 'tex') {
+ my $endstring = pop @div_end_stack;
+ $currentstring .= $endstring;
+ }
return $currentstring;
}
+}
#-- <a> tag (end tag required)
sub start_a {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
- $currentstring .= $token->[4];
+ if ($target eq 'web' || $target eq 'webgrade') {
+ my $href=&Apache::lonxml::get_param('href',$parstack,$safeeval,
+ undef,1);
+ $currentstring=&Apache::lonenc::encrypt_ref($token,{'href'=>$href});
} elsif ($target eq 'tex') {
my $a=&Apache::lonxml::get_param('href',$parstack,$safeeval,undef,1);
my $b=&Apache::lonxml::get_param('name',$parstack,$safeeval,undef,1);
@@ -1452,7 +1576,7 @@ sub start_a {
sub end_a {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
}
return $currentstring;
@@ -1462,28 +1586,39 @@ sub end_a {
sub start_li {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
- my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,1);
- if ($type=~/circle/) {
- $currentstring .= ' \item[o] ';
+ my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0);
+ my $value=&Apache::lonxml::get_param('value',$parstack,$safeeval,undef,0);
+ #FIXME need to support types i and I
+ if ($type=~/disc/) {
+ $currentstring .= ' \item[$\bullet$] ';
+ } elsif ($type=~/circle/) {
+ $currentstring .= ' \item[$\circ$] ';
} elsif ($type=~/square/) {
- $currentstring .= ' \item[$\Box$] ';
- } elsif ($type ne '') {
- $currentstring .= ' \item['.$type.'] ';
+ $currentstring .= ' \item[$\diamond$] ';
+ } elsif ($type eq '1') {
+ $currentstring .= ' \item['.($Apache::londefdef::list_index+1).'.]';
+ } elsif ($type eq 'A') {
+ $currentstring .= ' \item['.('A'..'Z')[$Apache::londefdef::list_index].'.]';
+ } elsif ($type eq 'a') {
+ $currentstring .= ' \item['.('a'..'z')[$Apache::londefdef::list_index].'.]';
+ } elsif ($value ne '') {
+ $currentstring .= ' \item['.$value.'] ';
} else {
$currentstring .= ' \item ';
}
- }
+ $Apache::londefdef::list_index++;
+ }
return $currentstring;
}
sub end_li {
my ($target,$token) = @_;
- my $currentstring = '';
- if ($target eq 'web') {
- $currentstring = $token->[2];
+ my $currentstring = &end_p(); # In case there's a <p> in the <li>
+ if ($target eq 'web' || $target eq 'webgrade') {
+ $currentstring .= $token->[2];
}
return $currentstring;
}
@@ -1492,7 +1627,7 @@ sub end_li {
sub start_u {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
&Apache::lonxml::startredirection();
@@ -1503,7 +1638,7 @@ sub start_u {
sub end_u {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
$currentstring=&Apache::lonxml::endredirection();
@@ -1517,28 +1652,29 @@ sub end_u {
#-- <ul> tag (end tag required)
sub start_ul {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = '';
- if ($target eq 'web') {
- $currentstring = $token->[4];
+ my $currentstring = &end_p(); # Close off enclosing list.
+ if ($target eq 'web' || $target eq 'webgrade') {
+ $currentstring .= $token->[4];
} elsif ($target eq 'tex') {
my $TeXtype=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0);
+ $Apache::londefdef::list_index=0;
if ($TeXtype eq 'disc') {
- $currentstring .= ' \renewcommand{\labelitemi}{$\bullet$}
- \renewcommand{\labelitemii}{$\bullet$}
- \renewcommand{\labelitemiii}{$\bullet$}
- \renewcommand{\labelitemiv}{$\bullet$}';
+ $currentstring .= '\renewcommand{\labelitemi}{$\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$}';
+ $currentstring .= '\renewcommand{\labelitemi}{$\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$}';
+ $currentstring .= '\renewcommand{\labelitemi}{$\diamond$}'.
+ '\renewcommand{\labelitemii}{$\diamond$}'.
+ '\renewcommand{\labelitemiii}{$\diamond$}'.
+ '\renewcommand{\labelitemiv}{$\diamond$}';
}
- $currentstring .= '\begin{itemize}';
+ $currentstring .= '\strut \begin{itemize}';
}
return $currentstring;
}
@@ -1546,13 +1682,13 @@ sub start_ul {
sub end_ul {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
- $currentstring = '\end{itemize} \renewcommand{\labelitemi}{$\bullet$}
- \renewcommand{\labelitemii}{$\bullet$}
- \renewcommand{\labelitemiii}{$\bullet$}
- \renewcommand{\labelitemiv}{$\bullet$}';
+ $currentstring = '\end{itemize} \renewcommand{\labelitemi}{$\bullet$}'.
+ '\renewcommand{\labelitemii}{$\bullet$}'.
+ '\renewcommand{\labelitemiii}{$\bullet$}'.
+ '\renewcommand{\labelitemiv}{$\bullet$}\strut ';
}
return $currentstring;
}
@@ -1561,7 +1697,7 @@ sub end_ul {
sub start_menu {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
$currentstring = " \\begin{itemize} ";
@@ -1572,7 +1708,7 @@ sub start_menu {
sub end_menu {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
$currentstring = " \\end{itemize}";
@@ -1583,11 +1719,11 @@ sub end_menu {
#-- <dir> tag (end tag required)
sub start_dir {
my ($target,$token) = @_;
- my $currentstring = '';
- if ($target eq 'web') {
- $currentstring = $token->[4];
+ my $currentstring = &end_p(); # In case there's a <p> prior to the list.
+ if ($target eq 'web' || $target eq 'webgrade') {
+ $currentstring .= $token->[4];
} elsif ($target eq 'tex') {
- $currentstring = " \\begin{itemize} ";
+ $currentstring .= " \\begin{itemize} ";
}
return $currentstring;
}
@@ -1595,7 +1731,7 @@ sub start_dir {
sub end_dir {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
$currentstring = " \\end{itemize}";
@@ -1606,38 +1742,39 @@ sub end_dir {
#-- <ol> tag (end tag required)
sub start_ol {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = '';
- if ($target eq 'web') {
- $currentstring = $token->[4];
+ my $currentstring = &end_p(); # In case there's a <p> prior to the list.
+ if ($target eq 'web' || $target eq 'webgrade') {
+ $currentstring .= $token->[4];
} elsif ($target eq 'tex') {
+ $Apache::londefdef::list_index=0;
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}.}';
+ $currentstring .= '\renewcommand{\labelenumi}{\arabic{enumi}.}'.
+ '\renewcommand{\labelenumii}{\arabic{enumii}.}'.
+ '\renewcommand{\labelenumiii}{\arabic{enumiii}.}'.
+ '\renewcommand{\labelenumiv}{\arabic{enumiv}.}';
} elsif ($type eq 'A') {
- $currentstring .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}
- \renewcommand{\labelenumii}{\Alph{enumii}.}
- \renewcommand{\labelenumiii}{\Alph{enumiii}.}
- \renewcommand{\labelenumiv}{\Alph{enumiv}.}';
+ $currentstring .= '\renewcommand{\labelenumi}{\Alph{enumi}.}'.
+ '\renewcommand{\labelenumii}{\Alph{enumii}.}'.
+ '\renewcommand{\labelenumiii}{\Alph{enumiii}.}'.
+ '\renewcommand{\labelenumiv}{\Alph{enumiv}.}';
} elsif ($type eq 'a') {
- $currentstring .= ' \renewcommand{\labelenumi}{\alph{enumi}.}
- \renewcommand{\labelenumii}{\alph{enumii}.}
- \renewcommand{\labelenumiii}{\alph{enumiii}.}
- \renewcommand{\labelenumiv}{\alph{enumiv}.} ';
+ $currentstring .= '\renewcommand{\labelenumi}{\alph{enumi}.}'.
+ '\renewcommand{\labelenumii}{\alph{enumii}.}'.
+ '\renewcommand{\labelenumiii}{\alph{enumiii}.}'.
+ '\renewcommand{\labelenumiv}{\alph{enumiv}.}';
} elsif ($type eq 'i') {
- $currentstring .= ' \renewcommand{\labelenumi}{\roman{enumi}.}
- \renewcommand{\labelenumii}{\roman{enumii}.}
- \renewcommand{\labelenumiii}{\roman{enumiii}.}
- \renewcommand{\labelenumiv}{\roman{enumiv}.} ';
+ $currentstring .= '\renewcommand{\labelenumi}{\roman{enumi}.}'.
+ '\renewcommand{\labelenumii}{\roman{enumii}.}'.
+ '\renewcommand{\labelenumiii}{\roman{enumiii}.}'.
+ '\renewcommand{\labelenumiv}{\roman{enumiv}.}';
} elsif ($type eq 'I') {
- $currentstring .= ' \renewcommand{\labelenumi}{\Roman{enumi}.}
- \renewcommand{\labelenumii}{\Roman{enumii}.}
- \renewcommand{\labelenumiii}{\Roman{enumiii}.}
- \renewcommand{\labelenumiv}{\Roman{enumiv}.} ';
+ $currentstring .= '\renewcommand{\labelenumi}{\Roman{enumi}.}'.
+ '\renewcommand{\labelenumii}{\Roman{enumii}.}'.
+ '\renewcommand{\labelenumiii}{\Roman{enumiii}.}'.
+ '\renewcommand{\labelenumiv}{\Roman{enumiv}.}';
}
- $currentstring .= '\begin{enumerate}';
+ $currentstring .= '\strut \begin{enumerate}';
}
return $currentstring;
}
@@ -1645,13 +1782,13 @@ sub start_ol {
sub end_ol {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$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}.}';
+ $currentstring = '\end{enumerate}\renewcommand{\labelenumi}{\arabic{enumi}.}'.
+ '\renewcommand{\labelenumii}{\arabic{enumii}.}'.
+ '\renewcommand{\labelenumiii}{\arabic{enumiii}.}'.
+ '\renewcommand{\labelenumiv}{\arabic{enumiv}.}\strut ';
}
return $currentstring;
}
@@ -1659,14 +1796,16 @@ sub end_ol {
#-- <dl> tag (end tag required)
sub start_dl {
my ($target,$token) = @_;
- my $currentstring = '';
- if ($target eq 'web') {
- $currentstring = $token->[4];
- } elsif ($target eq 'tex') {
- $currentstring = '\begin{description}';
- @Apache::londefdef::description=();
- $Apache::londefdef::DD_redirection=0;
- $Apache::londefdef::DT_redirection=0;
+ my $currentstring = &end_p(); # In case there's a <p> unclosed prior to the list.
+ if ($target eq 'web' || $target eq 'webgrade') {
+ $currentstring .= $token->[4];
+ } elsif ($target eq 'tex') {
+ $currentstring .= '\begin{description}';
+ $Apache::londefdef::DL++;
+ push(@Apache::londefdef::description,[]);
+ $Apache::londefdef::DD[$Apache::londefdef::DL]=0;
+ $Apache::londefdef::DT[$Apache::londefdef::DL]=0;
+ $Apache::londefdef::seenDT[$Apache::londefdef::DL]=0;
}
return $currentstring;
}
@@ -1674,21 +1813,20 @@ sub start_dl {
sub end_dl {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
- 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 $element (@Apache::londefdef::description) {
+ if ($Apache::londefdef::DT[-1]) { &end_dt(@_); }
+ if ($Apache::londefdef::DD[-1]) { &end_dd(@_); }
+ foreach my $element (@{$Apache::londefdef::description[-1]}) {
$currentstring.=' '.$element.' ';
}
- @Apache::londefdef::description=();
+ pop(@Apache::londefdef::description);
$currentstring.='\end{description}';
+ delete($Apache::londefdef::DD[$Apache::londefdef::DL]);
+ delete($Apache::londefdef::DT[$Apache::londefdef::DL]);
+ delete($Apache::londefdef::seenDT[$Apache::londefdef::DL]);
+ $Apache::londefdef::DL--;
}
return $currentstring;
}
@@ -1697,19 +1835,14 @@ sub end_dl {
sub start_dt {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring='';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
- if ($Apache::londefdef::DT_redirection) {
- my $data=&item_cleanup;
- push @Apache::londefdef::description,'\item['.$data.']';
- $Apache::londefdef::DT_redirection=0;
- } elsif ($Apache::londefdef::DD_redirection) {
- $Apache::londefdef::description[-1].=&Apache::lonxml::endredirection();
- $Apache::londefdef::DD_redirection=0;
- }
+ if ($Apache::londefdef::DT[-1]) { &end_dt(@_); }
+ if ($Apache::londefdef::DD[-1]) { &end_dd(@_); }
&Apache::lonxml::startredirection();
- $Apache::londefdef::DT_redirection=1;
+ $Apache::londefdef::DT[-1]++;
+ $Apache::londefdef::seenDT[-1]=1;
}
return $currentstring;
}
@@ -1717,12 +1850,14 @@ sub start_dt {
sub end_dt {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
- my $data=&item_cleanup;
- push @Apache::londefdef::description,'\item['.$data.']';
- $Apache::londefdef::DT_redirection=0;
+ if ($Apache::londefdef::DT[-1]) {
+ my $data=&item_cleanup();
+ push(@{$Apache::londefdef::description[-1]},'\item['.$data.'] \strut \vskip 0mm');
+ $Apache::londefdef::DT[-1]--;
+ }
}
return $currentstring;
}
@@ -1738,15 +1873,17 @@ sub item_cleanup {
sub start_dd {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
- if ($Apache::londefdef::DT_redirection) {
- my $data=&item_cleanup;
- push @Apache::londefdef::description,'\item['.$data.']';
- $Apache::londefdef::DT_redirection=0;
+ if ($Apache::londefdef::DT[-1]) { &end_dt(@_); }
+ if ($Apache::londefdef::DD[-1]) { &end_dd(@_);}
+ if (!$Apache::londefdef::seenDT[-1]) {
+ push(@{$Apache::londefdef::description[-1]},'\item[\strut] \strut \vskip 0mm ');
}
- $Apache::londefdef::DD_redirection=1;
+ push(@{$Apache::londefdef::description[-1]},'');
+ $Apache::londefdef::description[-1]->[-1].=' \strut ';
+ $Apache::londefdef::DD[-1]++;
&Apache::lonxml::startredirection();
}
return $currentstring;
@@ -1755,53 +1892,82 @@ sub start_dd {
sub end_dd {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
- $Apache::londefdef::description[-1].=&Apache::lonxml::endredirection();
- $Apache::londefdef::DD_redirection=0;
+ $Apache::londefdef::description[-1]->[-1].=
+ &Apache::lonxml::endredirection().' \vskip 0mm ';
+ $Apache::londefdef::DD[-1]--;
}
return $currentstring;
}
#-- <table> tag (end tag required)
+# <table> also ends any prior <p> that is not closed.
+# but, unless I allow <p>'s to nest, that's the
+# only way I could think of to allow <p> in
+# <tr> <th> bodies
+#
+#list of supported attributes: border,width,TeXwidth
sub start_table {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $textwidth='';
- if (not defined @Apache::londefdef::table) {
- $textwidth=&recalc($ENV{'form.textwidth'});
- $textwidth=~/(\d+\.?\d*)/;
- $textwidth=0.95*$1;
- } else {
- $textwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
- }
- my $currentstring = '';
- if ($target eq 'web') {
- $currentstring = $token->[4];
+ my $textwidth = '';
+ my $currentstring = &end_p();
+ if ($target eq 'web' || $target eq 'webgrade') {
+ $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;
+ #maximum table's width (default coincides with text line length)
+ if ($#Apache::londefdef::table==0) {
+ $textwidth=&recalc($env{'form.textwidth'}); #result is always in mm
+ $textwidth=~/(\d+\.?\d*)/;
+ $textwidth=0.95*$1; #accounts "internal" LaTeX space for table frame
+ } else {
+ if ($Apache::londefdef::table[-2]{'TeXlen'}[$Apache::londefdef::table[-2]{'row_number'}][$Apache::londefdef::table[-2]{'counter_columns'}]=~/\d/) {
+ #the maximum width of nested table is determined by LATeX width of parent cell
+ $textwidth=$Apache::londefdef::table[-2]{'TeXlen'}[$Apache::londefdef::table[-2]{'row_number'}][$Apache::londefdef::table[-2]{'counter_columns'}];
} else {
- $Apache::londefdef::table[-1]{'width'}=$textwidth;
+ #try to use all space not used before (minus 5% for LaTeX table internal) - rather silly
+ $textwidth=$Apache::londefdef::table[-2]{'width'};
+ for (my $i=0;$i<$Apache::londefdef::table[-2]{'counter_columns'};$i++) {
+ $textwidth=$textwidth-$Apache::londefdef::table[-2]{'TeXlen'}[0][$i];
+ }
}
- } elsif ($TeXwidth=~/%/) {
+ }
+
+ # width either comes forced from the TeXwidth or the width parameters.
+ # in either case it can be a percentage or absolute width.
+ # in the width case we ignore absolute width
+ my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
+ if (!defined($TeXwidth)) {
+ my $htmlwidth = &Apache::lonxml::get_param('width',$parstack,
+ $safeeval,undef,1);
+ if ($htmlwidth =~ /%/) {
+ $TeXwidth = $htmlwidth;
+ } else {
+ $TeXwidth = $textwidth;
+ }
+ } else {
+ $Apache::londefdef::table[-1]{'forcedtablewidth'} = 1;
+ }
+ if ($TeXwidth=~/%/) {
+ $Apache::londefdef::table[-1]{'percent'}=1;
$TeXwidth=~/(\d+)/;
- my $value=$1*$textwidth/100;
- $Apache::londefdef::table[-1]{'width'}=$value;
+ $Apache::londefdef::table[-1]{'width'}=$1*$textwidth/100;
} else {
- $Apache::londefdef::table[-1]{'width'}=$textwidth;
- }
+ $Apache::londefdef::table[-1]{'width'}=$TeXwidth;
+ }
+ # In the end, however the table width cannot be wider than $textwidth...
+
+ if ($Apache::londefdef::table[-1]{'width'} > $textwidth) {
+ $Apache::londefdef::table[-1]{'width'} = $textwidth;
+ }
+
#table's border
- my $border = &Apache::lonxml::get_param('border',$parstack,$safeeval,undef,1);
+ my $border = &Apache::lonxml::get_param('border',$parstack,$safeeval);
+ my $permission=&Apache::lonxml::get_param('TeXDropEmptyColumns',$parstack,$safeeval,undef,0);
unless (defined $border) { $border = 0; }
if ($border) {
$Apache::londefdef::table[-1]{'hinc'} = '\hline ';
@@ -1812,8 +1978,28 @@ sub start_table {
$Apache::londefdef::table[-1]{'vinc'} = '&';
$Apache::londefdef::table[-1]{'vvinc'} = '';
}
- $Apache::londefdef::table[-1]{'output'} = ' \noindent \begin{tabular} ';
- $currentstring = '\keephidden{NEW TABLE ENTRY}';
+ if ($#Apache::londefdef::table==0) {
+ # Note that \newline seems to destroy the alignment envs.
+ # $Apache::londefdef::table[-1]{'output'}='\strut\newline\strut\setlength{\tabcolsep}{1 mm}';
+ $Apache::londefdef::table[-1]{'output'}='\strut'.'\\\\'."\n".'\strut\setlength{\tabcolsep}{1 mm}';
+ }
+ $Apache::londefdef::table[-1]{'output'}.=' \noindent \begin{tabular} ';
+ $Apache::londefdef::table[-1]{'TeXlen'}=[];
+ $Apache::londefdef::table[-1]{'objectlen'}=[];
+ $Apache::londefdef::table[-1]{'objectsignal'}=[];
+ $Apache::londefdef::table[-1]{'maxlen'}=[];
+ $Apache::londefdef::table[-1]{'minlen'}=[];
+ $Apache::londefdef::table[-1]{'content'}=[];
+ $Apache::londefdef::table[-1]{'align'}=[];
+ if (&is_inside_of($tagstack, 'sup')) {
+ $currentstring .= '}} \\\\ \ensuremath{^{ ';
+ }
+ if (&is_inside_of($tagstack, 'sub')) {
+ $currentstring .= '}} \\\\ \ensuremath{_{ ';
+ }
+ $currentstring.=' \keephidden{NEW TABLE ENTRY}';
+
+
}
return $currentstring;
}
@@ -1821,71 +2007,350 @@ sub start_table {
sub end_table {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$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'};
+ my $WARNING='';
+ #width of columns from TeXwidth attributes
+
+ for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
+ for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {
+ if ($Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]<$Apache::londefdef::table[-1]{'TeXlen'}[$in][$jn]) {
+ $Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]=$Apache::londefdef::table[-1]{'TeXlen'}[$in][$jn];
+ }
+ }
}
- $header_of_table .= '}';
- #define the length of the table cells
- #always starts with TeXwidth (if defined everything else is ignored)
- my @length_row_final = split(/,/,$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) {
- $length_row_final[$jn]=$length_raw_row[$jn];
- $available_length=$available_length-$length_raw_row[$jn];
- $needed--;
+ #free space and number of empty columns
+ my ($available_space,$empty_columns)=($Apache::londefdef::table[-1]{'width'},0);
+ if ($#Apache::londefdef::table ne 0) {$available_space=0.9*$available_space;}
+ for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {
+ if ($Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]==0) {
+ $empty_columns++;
+ } else {
+ $available_space=$available_space-$Apache::londefdef::table[-1]{'TeXlen'}[0][$jn];
+ }
+ }
+ #boundaries for contents columns
+ my @min_len=();#columns can not be narrower
+ my @max_len=();#maximum length of column
+ for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {
+ my ($localmin,$localmax)=(0,0);
+ for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
+ if ($localmin<$Apache::londefdef::table[-1]{'minlen'}[$in][$jn]) {
+ $localmin=$Apache::londefdef::table[-1]{'minlen'}[$in][$jn];
+ }
+ if ($localmax<$Apache::londefdef::table[-1]{'maxlen'}[$in][$jn]) {
+ $localmax=$Apache::londefdef::table[-1]{'maxlen'}[$in][$jn];
+ }
+ }
+ push @min_len, $localmin;
+ push @max_len, $localmax;
+ }
+ for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {
+ my $localmin=0,;
+ for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
+ if ($localmin<$Apache::londefdef::table[-1]{'objectlen'}[$in][$jn]) {
+ $localmin=$Apache::londefdef::table[-1]{'objectlen'}[$in][$jn];
+ }
+ }
+ if ($max_len[$jn]<$localmin) {
+ $max_len[$jn]=$localmin;
+ $Apache::londefdef::table[-1]{'objectsignal'}[$jn]=1;
+ }#object size is bigger
+ if ($min_len[$jn]<$localmin) {
+ $min_len[$jn]=$localmin;
+ $Apache::londefdef::table[-1]{'objectsignal'}[$jn]=1;
+ }#object size is bigger
+ if ($Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]!=0) {
+ $min_len[$jn]=0;
+ $max_len[$jn]=0;
+ }
+ }
+ #final adjustment of column width
+ my @fwidth=@{$Apache::londefdef::table[-1]{'TeXlen'}[0]};#final width array
+ my @adjust=();
+ #step 1. adjustment by maximum value
+ my $space_neeeded=0;
+ for (my $jn=0;$jn<=$#max_len;$jn++) {
+ $space_neeeded=$space_neeeded+$max_len[$jn];
+ }
+ if ($space_neeeded<=$available_space) {
+ for (my $jn=0;$jn<=$#max_len;$jn++) {
+ if ($fwidth[$jn]==0) {
+ $fwidth[$jn]=$max_len[$jn];
+ }
+ }
+ } else {
+ #step 2. adjustment by minimum value (estimation)
+ $space_neeeded=0;
+ for (my $jn=0;$jn<=$#min_len;$jn++) {
+ $space_neeeded+=$min_len[$jn];
+ }
+ if ($space_neeeded>$available_space) {
+ $WARNING=' \textbf{NOT ENOUGH SPACE FOR TABLE} ';
+ for (my $jn=0;$jn<=$#max_len;$jn++) {
+ if ($fwidth[$jn]==0) {
+ $fwidth[$jn]=$min_len[$jn];
+ }
+ }
+ #check if we have objects which can be scaled
+ my $how_many_to_scale=0;
+ my @to_scale=();
+ for (my $jn=0;$jn<=$#max_len;$jn++) {
+ if ($Apache::londefdef::table[-1]{'objectsignal'}[$jn] eq '1') {
+ $how_many_to_scale++;
+ push @to_scale, $jn;
+ }
+ }
+ if ($how_many_to_scale>0) {
+ my $space_to_adjust=($space_neeeded-$available_space)/$how_many_to_scale;
+ foreach my $jn (@to_scale) {
+ for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
+ $Apache::londefdef::table[-1]{'content'}[$in][$jn]=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/;
+ if ($1 ne '') {
+ my $current_length=&recalc($1);
+ $current_length=~/(\d+\.?\d*)/;
+ $current_length=$current_length-$space_to_adjust;
+ $Apache::londefdef::table[-1]{'content'}[$in][$jn]=~s/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/width=$current_length mm/;
+ }
+ $Apache::londefdef::table[-1]{'content'}[$in][$jn]=~m/\[(\d+\.?\d*)\s*mm\]/;
+ if ($1 ne '') {
+ my $current_length=$1;
+ $current_length=$current_length-$space_to_adjust;
+ $Apache::londefdef::table[-1]{'content'}[$in][$jn]=~s/\[(\d+\.?\d*)\s*mm\]/\[$current_length mm\]/;
+ }
+ }
+ $fwidth[$jn]=$fwidth[$jn]-$space_to_adjust;
+ }
+ }
+ } else {
+ #step 3. adjustment over minimal + corrections
+ my $enlarge_coef=$available_space/$space_neeeded;
+ my $acsessive=0;
+ for (my $jn=0;$jn<=$#min_len;$jn++) {
+ $adjust[$jn]=$min_len[$jn]*$enlarge_coef;
+ if ($adjust[$jn]>$max_len[$jn]) {
+ $fwidth[$jn]=$max_len[$jn];
+ $acsessive=$acsessive+$adjust[$jn]-$max_len[$jn];
+ $adjust[$jn]=0;
+ }
+ }
+ if ($acsessive>0) {
+ #we have an excess of space and can redistribute it
+ my $notempty_columns=0;
+ for (my $jn=0;$jn<=$#min_len;$jn++) {
+ if ($adjust[$jn]!=0) {
+ $notempty_columns++;
+ }
+ }
+ my $per_column=$acsessive/$notempty_columns;
+ for (my $jn=0;$jn<=$#min_len;$jn++) {
+ if ($adjust[$jn]!=0) {
+ $adjust[$jn]+=$per_column;
+ $fwidth[$jn]=$adjust[$jn];
+ }
+ }
+ } else {
+ for (my $jn=0;$jn<=$#min_len;$jn++) {
+ $fwidth[$jn]=$adjust[$jn];
+ }
}
}
}
- for (my $jn=0;$jn<=$#length_row_final;$jn++) {
- if ($length_row_final[$jn]==0) {
- $length_row_final[$jn]=0.9*$available_length/$needed;
+ #use all available width if it is defined in % or as TeXwidth
+ if (($Apache::londefdef::table[-1]{'percent'}==1) || ($Apache::londefdef::table[-1]{'forcetablewidth'}==1)) {
+ my $current=0;
+ for (my $i=0;$i<=$#fwidth;$i++) {
+ $current+=$fwidth[$i];
+ }
+ my $coef=$Apache::londefdef::table[-1]{'width'}/$current;
+ for (my $i=0;$i<=$#fwidth;$i++) {
+ $fwidth[$i]*=$coef;
+ }
+ }
+ #removing of empty columns if allowed
+ my $permission=&Apache::lonxml::get_param('TeXDropEmptyColumns',$parstack,$safeeval,undef,0);
+ if ($permission eq 'yes') {
+ my @cleaned_table=();
+ my @cleaned_header=();
+ my $colind=0;
+ for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {
+ if ($fwidth[$jn]!=0) {
+ #we need to copy column
+ for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
+ $cleaned_table[$in][$colind]=$Apache::londefdef::table[-1]{'content'}[$in][$jn];
+ $cleaned_header[$colind]=$fwidth[$jn];
+ }
+ $colind++;
+ }
}
+ $Apache::londefdef::table[-1]{'content'}=\@cleaned_table;
+ @fwidth=@cleaned_header;
}
+ #construct header of the table
+ my $header_of_table = '{'.$Apache::londefdef::table[-1]{'vvinc'};
+ for (my $in=0;$in<=$#fwidth;$in++) {
+ $header_of_table.='p{'.$fwidth[$in].' mm}'.$Apache::londefdef::table[-1]{'vvinc'};
+ }
+ $header_of_table .= '}';
#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 .= ' \\\\ ';
+ my $have_rowspan = 0;
+ for (my $jn=0;$jn<=$#fwidth;$jn++) {
+
+ #-----------------------------------------------------------
+ # I think this order of doing things will ensure that
+ # single rowspan, columspan and combined row/colspans will
+ # work correctly. LaTeX is delicate here.
+ # RF.
+
+ # Start a rowspan if necessary:
+
+ my $rowspan = $Apache::londefdef::table[-1]{'rowspan'}[$in][$jn];
+ my $colspan = $Apache::londefdef::table[-1]{'colspan'}[$in][$jn];
+ #
+ # Do the appropriate magic if this has a colspan
+ #
+
+ if ($colspan > 1) {
+ my $spanwidth = 0;
+ for (my $spancol = $jn; $spancol < $jn + $colspan; $spancol++) {
+ $spanwidth += $fwidth[$spancol];
+ }
+ $output .= '\multicolumn{'.
+ $colspan
+ ."}";
+ if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') {
+ $output .= '{|c|}{';
+ } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') {
+ $output .= '{|r|}{';
+ }
+ else {
+ $output .= "{|p{$spanwidth mm}|}{";
+ }
+
+ }
+
+ # Rowspan... if colspan is 1, and there's an alignment we'll need
+ # to kick in a multicolumn in order to get the alignment spec.
+ # this must precede the multirow or LaTex gets quite upset.
+ # Naturally if colspan > 1 we've already done that above ^
+ #
+ my $multirow_aligned = 0;
+ if ($rowspan > 1) {
+ if ($colspan == 1) {
+ if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') {
+ $output .= '\multicolumn{1}{|c|}{';
+ $multirow_aligned = 1;
+ } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') {
+ $output .= '\multicolumn{1}{|r|}{';
+ $multirow_aligned = 1;
+ }
+ }
+ $have_rowspan++;
+ $output .= '\multirow{'.$rowspan.'}[0]{*}{';
+ #
+ # If we did not throw in a multicolumn to align, then add
+ # an extra {
+ # so we close correctly without having to keep additional state
+ # around
+ #
+ if (!$multirow_aligned) {
+ $output .= '{';
+ }
+ }
+ if (($rowspan eq '^') || ($rowspan eq '_')) {
+ $have_rowspan++;
+ }
+ #--------------------------------------------------------------
+
+
+ # For right and center alignment of single cells.
+ # we are going to use a multicolumn with a span of 1 to specify alignment.
+ #
+ if ($colspan == 1 && $rowspan == 1) {
+ if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') {
+ $output .= '\multicolumn{1}{|c|}{';
+ } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') {
+ $output .= '\multicolumn{1}{|r|}{';
+ }
+ }
+
+ $output.=$Apache::londefdef::table[-1]{'content'}[$in][$jn];
+
+ if (($colspan == 1 && $rowspan == 1) &&
+ (($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') ||
+ ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r'))) {
+ $output .= '}';
+ }
+
+ # Close off any open multirow:
+
+ if ($rowspan > 1) {
+ $output .= '}}';
+ }
+ # Close off the colspan...
+ #
+ if ($colspan > 1) {
+ $output .= '}';
+ $jn += $colspan-1; # Adjust for number of rows really left.
+ }
+ if ($jn!=$#fwidth) {$output.=' '.$Apache::londefdef::table[-1]{'vinc'};}
+ }
+ # If have_rowspan > 0, and borders are on, then
+ # we need to do more than put an \hline at the bottom of row.
+ # we need to do the appropriate \cline to ensure that
+ # the spanned rows don't have \hlines through them.
+
+ if (($Apache::londefdef::table[-1]{'hinc'} =~ /\\hline/) && $have_rowspan) {
+ $output .= ' \\\\ ';
+ for (my $jn=0; $jn<=$#fwidth;$jn++) {
+ my $rowspan = $Apache::londefdef::table[-1]{'rowspan'}[$in][$jn];
+ if ($rowspan ne "^") {
+ if (($rowspan <= 1) || ($rowspan eq '_')) {
+ my $column = $jn+1;
+ $output .= '\cline{'.$column.'-'.$column.'} ';
+ }
+ }
+ }
+
+ } else {
+ $output.=' \\\\ '.$Apache::londefdef::table[-1]{'hinc'}.' ';
+ }
}
- $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$output.$Apache::londefdef::table[-1]{'hinc'}.'\end{tabular}\vskip 0 mm ';
+ # Note that \newline destroys alignment env's produced by e.g. <div>
+ # $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$Apache::londefdef::table[-1]{'hinc'}.$output.'\end{tabular}\strut\newline\strut ';
+ $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$Apache::londefdef::table[-1]{'hinc'}.$output.'\end{tabular}\strut'.'\\\\'."\n".'\strut ';
if ($#Apache::londefdef::table > 0) {
my $inmemory = $Apache::londefdef::table[-1]{'output'};
+ # Figure out max/and min width by summing us and then
+ # apply that to the current column of the table we nest in
+ # if it's larger than the current width or the current width
+ # is undefined.
+ #
+ my $min_nested_width = 0;
+ my $max_nested_width = 0;
+ for (my $col = 0; $col <= $Apache::londefdef::table[-1]{'counter_columns'}; $col++) {
+ $min_nested_width += $min_len[$col];
+ $max_nested_width += $max_len[$col];
+
+ }
+ # Fudge in an extra 5 mm for borders etc:
+
+ $min_nested_width += 5;
+ $max_nested_width += 5;
+
+ my $outer_column = $Apache::londefdef::table[-2]{'counter_columns'};
+ my $outer_row = $Apache::londefdef::table[-2]{'row_number'};
+ if ($min_nested_width > $Apache::londefdef::table[-2]{'minlen'}[$outer_row][$outer_column]) {
+ $Apache::londefdef::table[-2]{'minlen'}[$outer_row][$outer_column] = $min_nested_width;
+ }
+ if ($max_nested_width > $Apache::londefdef::table[-2]{'maxlen'}[$outer_row][$outer_column]) {
+ $Apache::londefdef::table[-2]{'maxlen'}[$outer_row][$outer_column] = $max_nested_width;
+ }
+
pop @Apache::londefdef::table;
push @{$Apache::londefdef::table[-1]{'include'}}, $inmemory;
} else {
@@ -1901,35 +2366,48 @@ sub end_table {
sub start_tr {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$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);
+ my $alignchar=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
if ($alignchar ne '') {
- push @ {$Apache::londefdef::table[-1]{'rows'} }, $alignchar;
+ push @ {$Apache::londefdef::table[-1]{'rows'} },substr($alignchar,0,1);
} else {
push @ {$Apache::londefdef::table[-1]{'rows'} }, 'l';
}
push ( @{ $Apache::londefdef::table[-1]{'rowdata'} }, $Apache::londefdef::table[-1]{'hinc'});
+ #
+ # Need to save the number of table columns to preserve the max # columns.
+ #
+ $Apache::londefdef::table[-1]{'prior_columns'} = $Apache::londefdef::table[-1]{'counter_columns'};
$Apache::londefdef::table[-1]{'counter_columns'} = -1;
- $Apache::londefdef::table[-1]{'TeXlength'} = '';
- $Apache::londefdef::table[-1]{'length'} = '';
+ push @ {$Apache::londefdef::table[-1]{'TeXlen'}}, [];
+ push @ {$Apache::londefdef::table[-1]{'objectlen'}}, [];
+ push @ {$Apache::londefdef::table[-1]{'minlen'}}, [];
+ push @ {$Apache::londefdef::table[-1]{'maxlen'}}, [];
+ push @ {$Apache::londefdef::table[-1]{'content'}}, [];
}
return $currentstring;
}
sub end_tr {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = '';
- if ($target eq 'web') {
- $currentstring = $token->[2];
+ my $currentstring = &end_p(); # Close any pending <p> in the row.
+ if ($target eq 'web' || $target eq 'webgrade') {
+ $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'};
+ # Counter columns must be the maximum number of columns seen
+ # in the table so far so:
+ if ($Apache::londefdef::table[-1]{'prior_columns'} > $Apache::londefdef::table[-1]{'counter_columns'}) {
+ $Apache::londefdef::table[-1]{'counter_columns'} = $Apache::londefdef::table[-1]{'prior_columns'};
+ }
+
+
+
}
return $currentstring;
}
@@ -1938,7 +2416,7 @@ sub end_tr {
sub start_td {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
$Apache::londefdef::TD_redirection = 1;
@@ -1966,63 +2444,188 @@ sub tag_check {
sub start_td_tex {
my ($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);;
+ my $alignchar = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
+ if ($alignchar eq '') {
+ $alignchar = $Apache::londefdef::table[-1]{'rows'}[-1];
}
- push @{ $Apache::londefdef::table[-1]{'columns'} }, $what_to_push;
+ push @{ $Apache::londefdef::table[-1]{'align'}[$Apache::londefdef::table[-1]{'row_number'}] }, $alignchar;
$Apache::londefdef::table[-1]{'counter_columns'}++;
+ my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
+ if (defined $TeXwidth) {
+ my $current_length=&recalc($TeXwidth);
+ $current_length=~/(\d+\.?\d*)/;
+ push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$1;
+ }
&Apache::lonxml::startredirection();
return '';
}
sub end_td_tex {
my ($parstack,$parser,$safeeval) = @_;
- my $current_row = $Apache::londefdef::table[-1]{'row_number'};
- my $data=&Apache::lonxml::endredirection();
+ my $current_row = $Apache::londefdef::table[-1]{'row_number'};
+ my $current_column = $Apache::londefdef::table[-1]{'counter_columns'};
+ my $data = &Apache::lonxml::endredirection();
+
+ # The rowspan array of the table indicates which cells are part of a span.
+ # n indicates the start of a span set of n rows.
+ # ^ indicates a cell that continues a span set.
+ # _ indicates the cell is at the bottom of a span set.
+ # If this and subsequent cells are part of a rowspan, we must
+ # push along the row until we find one that is not.
+
+ while ((defined $Apache::londefdef::table[-1]{'rowspan'}[$current_row] [$current_column])
+ && ($Apache::londefdef::table[-1]{'rowspan'}[$current_row][$current_column] =~ /[\^\_]/)) {
+ # Part of a span.
+ push @ {$Apache::londefdef::table[-1]{'content'}[-1]}, '';
+ $current_column++;
+ }
+ $Apache::londefdef::table[-1]{'counter_columns'} = $current_column;
+
+
+ # Get the column and row spans.
+ # Colspan can be done via \multicolumn if I can figure out the data structs.
+
+ my $colspan = &Apache::lonxml::get_param('colspan', $parstack, $safeeval, undef, 0);
+ if (!$colspan) {
+ $colspan = 1;
+ }
+
+ my $rowspan = &Apache::lonxml::get_param('rowspan', $parstack, $safeeval, undef, 0);
+ if (!$rowspan) {
+ $rowspan = 1;
+ }
+
+
+
+ for (my $c = 0; $c < $colspan; $c++) {
+ $Apache::londefdef::table[-1]{'rowspan'}[$current_row][$current_column+$c] = $rowspan;
+ for (my $i = 1; $i < $rowspan; $i++) {
+ $Apache::londefdef::table[-1]{'rowspan'}[$current_row+$i][$current_column+$c] = '^';
+ if ($i == ($rowspan-1)) {
+ $Apache::londefdef::table[-1]{'rowspan'}[$current_row+$i][$current_column+$c] = '_';
+ }
+ }
+ }
+
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.',';
- $Apache::londefdef::table[-1]{'length'} .= '0,';
+ push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
+ push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
+ push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
} else {
- if ($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.',';
- $Apache::londefdef::table[-1]{'length'} .= '0,';
+ if (($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) or ($data=~m/\[(\d+\.?\d*)\s*mm\]/)) {
+ my $garbage_data=$data;
+ my $fwidth=0;
+ while ($garbage_data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) {
+ my $current_length=&recalc($1);
+ $current_length=~/(\d+\.?\d*)/;
+ if ($fwidth<$1) {$fwidth=$1;}
+ $garbage_data=~s/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)//;
+ }
+ while ($garbage_data=~m/\[(\d+\.?\d*)\s*mm\]/) {
+ my $current_length=$1;
+ if ($fwidth<$current_length) {$fwidth=$current_length;}
+ $garbage_data=~s/\[(\d+\.?\d*)\s*mm\]//;
+ }
+ push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
+ push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$fwidth;
+ push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
+ push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
+ } elsif ($data=~/\\parbox\{\s*\d+\.?\d*\s*(mm|cm|in|pc|pt)*\s*\}/ or $data=~/\\epsfxsize\s*=\s*\d+\.?\d*\s*(mm|cm|in|pc|pt)*/) {
+ my $garbage_data=$data;
+ my $fwidth=0;
+ while ($garbage_data=~/\\parbox\{\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)\s*\}/) {
+ my $current_length=&recalc($1);
+ $current_length=~/(\d+\.?\d*)/;
+ if ($fwidth<$1) {$fwidth=$1;}
+ $garbage_data=~s/\\parbox\{\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)//;
+ }
+ while ($garbage_data=~/\\epsfxsize\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) {
+ my $current_length=&recalc($1);
+ $current_length=~/(\d+\.?\d*)/;
+ if ($fwidth<$1) {$fwidth=$1;}
+ $garbage_data=~s/\\epsfxsize\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)//;
+ }
+ push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
+ push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$fwidth;
+ push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
+ push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
+ $data=~s/\\\\\s*$//;
} else {
$data=~s/^\s+(\S.*)/$1/;
$data=~s/(.*\S)\s+$/$1/;
$data=~s/(\s)+/$1/;
- my $current_length=0;
+ my ($current_length,$min_length)=(0,0);
if ($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);
+ my $lengthnewdata=2.5*&LATEX_length($elementdata);
if ($lengthnewdata>$current_length) {$current_length=$lengthnewdata;}
+ my @words=split(/ /,$elementdata);
+ foreach my $word (@words) {
+ my $lengthword=2.5*&LATEX_length($word);
+ if ($min_length<$lengthword) {$min_length=$lengthword;}
+ }
}
} else {
- $current_length=1.8*LATEX_length($data);
+ $current_length=2.5*&LATEX_length($data);
+ my @words=split(/ /,$data);
+ foreach my $word (@words) {
+ my $lengthword=2*&LATEX_length($word);
+ if ($min_length<$lengthword) {$min_length=$lengthword;}
+ }
}
- $Apache::londefdef::table[-1]{'length'} .= $current_length.',';
- $Apache::londefdef::table[-1]{'TeXlength'} .= '0,';
+ push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
+ push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
+ push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$current_length;
+ push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$min_length;
}
}
- 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'';
+ # Substitute all of the tables nested in this cell in their appropriate places.
+
+
+ my $nested_count = $#{$Apache::londefdef::table[-1]{'include'}}; # This one is constant...
+ for (my $in=0; $in<=$nested_count; $in++) {
+ my $nested = shift @{$Apache::londefdef::table[-1]{'include'}};
+ $nested =~ s/\\end\{tabular\}\\strut\\\\/\\end\{tabular\}/;
+ # $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/;
+ $data =~ s/\\keephidden\{NEW TABLE ENTRY\}/$nested/;
+
+ }
+ # Should be be killing off the 'include' elements as they're used up?
+
+ push @ {$Apache::londefdef::table[-1]{'content'}[-1] },$data;
+
+
+
+
+ # the colspan array will indicate how many columns will be spanned by this
+ # cell..this requires that counter_columns also be adjusted accordingly
+ # so that the next bunch of text goes in the right cell. Note that since
+ # counter_columns is incremented in the start_td_tex, we adjust by colspan-1.
+ #
+
+ $Apache::londefdef::table[-1]{'counter_columns'} += $colspan -1;
+ for (my $i = 0; $i < ($colspan -1); $i++) {
+ push @ {$Apache::londefdef::table[-1]{'content'}[-1] },'';
+ }
+ for (my $r = 0; $r < $rowspan; $r++) {
+ $Apache::londefdef::table[-1]{'colspan'}[$current_row+$r][$current_column] = $colspan;
+ # Put empty text in spanned cols.
+
+ }
+
+
+
+ return '';
}
sub end_td {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
$Apache::londefdef::TD_redirection =0;
@@ -2035,149 +2638,274 @@ sub end_td {
sub start_th {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$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();
+ $Apache::londefdef::TD_redirection = 1;
+ &tagg_check('tr','th',$tagstack,$parstack,$parser,$safeeval);
}
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.',';
- $Apache::londefdef::table[-1]{'TeXlength'} .= '0,';
- }
+
+sub tagg_check {
+ my ($good_tag,$bad_tag,$tagstack,$parstack,$parser,$safeeval) = @_;
+ my @ar=@$parstack;
+ for (my $i=$#ar-1;$i>=0;$i--) {
+ if (lc($$tagstack[$i]) eq $good_tag) {
+ &start_th_tex($parstack,$parser,$safeeval);
+ last;
+ } elsif (lc($$tagstack[$i]) eq $bad_tag) {
+ splice @ar, $i+1;
+ &end_th_tex(\@ar,$parser,$safeeval);
+ &start_th_tex($parstack,$parser,$safeeval);
+ last;
}
- for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) {
+ }
+ return '';
+}
+
+sub start_th_tex {
+ my ($parstack,$parser,$safeeval) = @_;
+ my $alignchar = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
+ if ($alignchar eq '') {
+ $alignchar = $Apache::londefdef::table[-1]{'rows'}[-1];
+ }
+ push @{ $Apache::londefdef::table[-1]{'align'}[$Apache::londefdef::table[-1]{'row_number'}] }, $alignchar;
+ $Apache::londefdef::table[-1]{'counter_columns'}++;
+ my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
+ if (defined $TeXwidth) {
+ my $current_length=&recalc($TeXwidth);
+ $current_length=~/(\d+\.?\d*)/;
+ push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$1;
+ }
+ &Apache::lonxml::startredirection();
+ return '';
+}
+
+sub end_th_tex {
+ my ($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 $TeXwidth) {
+ push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
+ push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
+ push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
+ } else {
+ if (($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) or ($data=~m/\[(\d+\.?\d*)\s*mm\]/)) {
+ my $garbage_data=$data;
+ my $fwidth=0;
+ while ($garbage_data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) {
+ my $current_length=&recalc($1);
+ $current_length=~/(\d+\.?\d*)/;
+ if ($fwidth<$1) {$fwidth=$1;}
+ $garbage_data=~s/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)//;
+ }
+ while ($garbage_data=~m/\[(\d+\.?\d*)\s*mm\]/) {
+ my $current_length=$1;
+ if ($fwidth<$current_length) {$fwidth=$current_length;}
+ $garbage_data=~s/\[(\d+\.?\d*)\s*mm\]//;
+ }
+ push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
+ push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$fwidth;
+ push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
+ push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
+ } else {
+ $data=~s/^\s+(\S.*)/$1/;
+ $data=~s/(.*\S)\s+$/$1/;
+ $data=~s/(\s)+/$1/;
+ my ($current_length,$min_length)=(0,0);
+ if ($data=~/\\vskip/) {
+ my $newdata=$data;
+ $newdata=~s/\\vskip \d*\.?\d*\s*mm/THISISJUSTTEMPORARYSEPARATOR/g;
+ my @newdata=split(/THISISJUSTTEMPORARYSEPARATOR/,$newdata);
+ foreach my $elementdata (@newdata) {
+ my $lengthnewdata=2.5*&LATEX_length($elementdata);
+ if ($lengthnewdata>$current_length) {$current_length=$lengthnewdata;}
+ my @words=split(/ /,$elementdata);
+ foreach my $word (@words) {
+ my $lengthword=2.5*&LATEX_length($word);
+ if ($min_length<$lengthword) {$min_length=$lengthword;}
+ }
+ }
+ } else {
+ $current_length=2.5*&LATEX_length($data);
+ my @words=split(/ /,$data);
+ foreach my $word (@words) {
+ my $lengthword=2*&LATEX_length($word);
+ if ($min_length<$lengthword) {$min_length=$lengthword;}
+ }
+ }
+ push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
+ push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
+ push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$current_length;
+ push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$min_length;
+ }
+ }
+ 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'};
+ #make data bold
+ $data='\textbf{'.$data.'}';
+ push @ {$Apache::londefdef::table[-1]{'content'}[-1] },$data;
+ return'';
+}
+
+sub end_th {
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
+ my $currentstring = &end_p(); # Close any open <p> in the row.
+ if ($target eq 'web' || $target eq 'webgrade') {
+ $currentstring .= $token->[2];
+ } elsif ($target eq 'tex') {
+ $Apache::londefdef::TD_redirection =0;
+ &end_th_tex($parstack,$parser,$safeeval);
}
return $currentstring;
}
+
#-- <img> tag (end tag forbidden)
+#
+# Render the <IMG> tag.
+# <IMG> has the following attributes (in addition to the
+# standard HTML ones:
+# TeXwrap - Governs how the tex target will try to wrap text around
+# horizontally aligned images.
+# TeXwidth - The width of the image when rendered for print (mm).
+# TeXheight - The height of the image when rendered for print (mm)
+# (Note there seems to also be support for this as a % of page size)
+#
sub start_img {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
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");
+ if (! $src &&
+ ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex')
+ ) {
+ my $inside = &Apache::lonxml::get_all_text("/img",$parser,$style);
return '';
}
- $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src;
+ &Apache::lonxml::extlink($src);
my $currentstring = '';
- my $width_param = '';
- my $height_param = '';
my $scaling = .3;
- if ($target eq 'web') {
- if ($ENV{'browser.imagesuppress'} ne 'on') {
- $currentstring.= $token->[4];
+
+ # Render unto browsers that which are the browser's...
+
+ if ($target eq 'web' || $target eq 'webgrade') {
+ if ($env{'browser.imagesuppress'} ne 'on') {
+ my $enc = ('yes' eq
+ lc(&Apache::lonxml::get_param('encrypturl',$parstack,
+ $safeeval)));
+ $currentstring.=&Apache::lonenc::encrypt_ref($token,{'src'=>$src},
+ $enc);
} else {
- my $alttag= &Apache::lonxml::get_param
- ('alt',$parstack,$safeeval,undef,1);
- unless ($alttag) {
- $alttag=&Apache::lonmeta::alttag
- ($Apache::lonxml::pwd[-1],$src);
+ my $alttag = &Apache::lonxml::get_param('alt',$parstack,$safeeval,
+ undef,1);
+ if (!$alttag) {
+ $alttag = &Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],
+ $src);
}
$currentstring.='[IMAGE: '.$alttag.']';
}
+
+ # and render unto TeX that which is LaTeX
+
} elsif ($target eq 'tex') {
- $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
- &image_replication($src);
+ #
+ # The alignment will require some superstructure to be put around
+ # the \includegraphics stuff. At present we can only partially
+ # simulate the alignments offered by html.
+ #
+ #
+ my $align = lc(&Apache::lonxml::get_param('align',
+ $parstack,
+ $safeeval,
+ undef,1));
+ if(!$align) {
+ $align = "bottom"; # This is html's default so it's ours too.
+ }
+ #
+ &Apache::lonxml::debug("Alignemnt = $align");
+ # LaTeX's image/text wrapping is really bad since it wants to
+ # make figures float.
+ # The user has the optional parameter (applicable only to l/r
+ # alignment to use the picins/parpic directive to get wrapped text
+ # this is also imperfect.. that's why we give them a choice...
+ # so they can't yell at us for our choice.
+ #
+ my $latex_rendering = &Apache::lonxml::get_param('TeXwrap',
+ $parstack,
+ $safeeval,
+ undef,0);
+ # &Apache::lonxml::debug("LaTeX rendering = $latex_rendering");
+ if(!$latex_rendering) {
+ $latex_rendering = "texwrap";
+ }
+ # using texwrap inside a table does not work. So, if after all of this,
+ # texwrap is on, we turn it off if we detect we're in a table:
+ #
+ if (($latex_rendering eq 'texwrap') && &is_inside_of($tagstack, "table")) {
+ $latex_rendering = 'parpic';
+ }
+
+ # &Apache::lonxml::debug("LaTeX rendering = $latex_rendering image file: $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;
- }
- if ($width_param > $ENV{'form.textwidth'}) {$width_param =0.95*$ENV{'form.textwidth'}}
- 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.'} ';
+ my $origsrc=$src;
+ my ($path,$file) = &get_eps_image($src);
+ # &Apache::lonnet::logthis("Image source: $src result: $path $file");
+ $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
+ &Apache::lonxml::debug("path = $path file = $file src = $src");
+ if (-e $src) {
+ &Apache::lonxml::debug("$src exists");
+ my ($height_param,$width_param)=
+ &image_size($origsrc,0.3,$parstack,$safeeval);
+ my $destpath = $path;
+ my $destfile = $file;
+ my $size;
+ if ($width_param) { $size.='width='.$width_param.' mm,'; }
+ if ($height_param) { $size.='height='.$height_param.' mm]'; }
+ # Default size if not able to extract that (e.g. eps image).
+
+ # &Apache::lonnet::logthis("Size = $size");
+
+ $size='['.$size;
+ $size=~s/,$/]/;
+ $currentstring .= '\graphicspath{{'.$destpath.'}}'
+ .'\includegraphics'.$size.'{'.$destfile.'} ';
+
+ # If there's an alignment specification we need to honor it here.
+ # For the horizontal alignments, we will also honor the
+ # value of the latex specfication. The default is parbox,
+ # and that's used for illegal values too.
+ #
+ # Even though we set a default alignment value, the user
+ # could have given us an illegal value. In that case we
+ # just use the default alignment of bottom..
+ if ($align eq "top") {
+ $currentstring = '\raisebox{-'.$height_param.'mm}{'.$currentstring.'}';
+ } elsif (($align eq "center") || ($align eq "middle")) { # Being kind
+ my $offset = $height_param/2;
+ $currentstring = '\raisebox{-'.$offset.'mm}{'.$currentstring.'}';
+ } elsif ($align eq "left") {
+ if ($latex_rendering eq "parpic") {
+ $currentstring = '\parpic[l]{'.$currentstring.'}';
+ } else { # wrapfig render
+ $currentstring = '\begin{wrapfigure}{l}{'.$width_param.'mm}'
+ .'\scalebox{1.0}{'.$currentstring.'}\end{wrapfigure}';
}
- } 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";
- $newsrc=~s/\/home\/httpd\/html\/res//;
- $newsrc=~s/\/([^\/]+)\.(ps|eps)/\//;
- $currentstring .= '\vskip 1 mm \graphicspath{{/home/httpd/prtspool'.$newsrc.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
+ } elsif ($align eq "right") {
+ if ($latex_rendering eq "parpic") {
+ $currentstring = '\parpic[r]{'.$currentstring.'}';
+ } else { # wrapfig rendering
+ $currentstring = '\begin{wrapfigure}{r}{'.$width_param.'mm}'
+ .'\scalebox{1.0}{'.$currentstring.'}\end{wrapfigure}';
+
}
+ } else { # Bottom is also default.
+ # $currentstring = '\raisebox{'.$height_param.'mm}{'.$currentstring.'}';
}
} else {
+ &Apache::lonxml::debug("$src does not exist");
#original image file doesn't exist so check the alt attribute
my $alt =
&Apache::lonxml::get_param('alt',$parstack,$safeeval,undef,1);
@@ -2185,12 +2913,11 @@ sub start_img {
$alt=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],$src);
}
- if ($alt) {
- $currentstring .= ' '.$alt.' ';
- } else {
- #<allow> tag will care about replication
- }
+ if ($alt) { $currentstring .= ' '.$alt.' '; }
}
+
+ # And here's where the semi-quote breaks down: allow the user
+ # to edit the beast as well by rendering the problem for edit:
} elsif ($target eq 'edit') {
$currentstring .=&Apache::edit::tag_start($target,$token);
$currentstring .=&Apache::edit::text_arg('Image Url:','src',$token,70).
@@ -2201,43 +2928,72 @@ sub start_img {
$currentstring .=&Apache::edit::text_arg('height (pixel):','height',$token,5).'<br />';
$currentstring .=&Apache::edit::text_arg('TeXwidth (mm):','TeXwidth',$token,5);
$currentstring .=&Apache::edit::text_arg('TeXheight (mm):','TeXheight',$token,5);
+ $currentstring .=&Apache::edit::select_arg('Alignment:','align',
+ ['','bottom','middle','top','left','right'],$token,5);
+ $currentstring .=&Apache::edit::select_arg('TeXwrap:', 'TeXwrap',
+ ['', 'parbox', 'parpic'], $token, 2);
+ $currentstring .=&Apache::edit::select_arg('Encrypt URL:','encrypturl',
+ ['no','yes'], $token, 2);
$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);
+ 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;
- $constructtag=1;
+ my ($osrc,$owidth,$oheight)=
+ ($token->[2]{'src'},$token->[2]{'width'},$token->[2]{'height'});
+ my $ctag=&Apache::edit::get_new_args($token,$parstack,
+ $safeeval,'src','alt','align',
+ 'TeXwidth','TeXheight', 'TeXwrap',
+ 'width','height','encrypturl');
+ my ($nsrc,$nwidth,$nheight)=
+ ($token->[2]{'src'},$token->[2]{'width'},$token->[2]{'height'});
+ my $loc=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$nsrc);
+ &image_replication($loc);
+ my ($iwidth,$iheight);
+ if (-e $loc) {
+ my $image = Image::Magick->new;
+ $image->Read($loc);
+ ($iwidth, $iheight) = ($image->Get('width'),
+ $image->Get('height'));
+ }
+ if ($osrc ne $nsrc || (!$nwidth && !$nheight)) {
+ # changed image or no size specified,
+ # if they didn't explicitly change the
+ # width or height use the ones from the image
+ if ($iwidth && $iheight) {
+ if ($owidth == $nwidth || (!$nwidth && !$nheight)) {
+ $token->[2]{'width'} = $iwidth;$ctag=1;
+ }
+ if ($oheight == $nheight || (!$nwidth && !$nheight)) {
+ $token->[2]{'height'}=$iheight;$ctag=1;
}
}
}
- if ($constructtag) {$currentstring=&Apache::edit::rebuild_tag($token);}
+ my ($cwidth,$cheight)=($token->[2]{'width'},$token->[2]{'height'});
+ # if we don't have a width or height
+ if ($iwidth && $cwidth && !$cheight) {
+ $token->[2]{'height'}=int(($cwidth/$iwidth)*$iheight);$ctag=1;
+ }
+ if ($iheight && $cheight && !$cwidth) {
+ $token->[2]{'width'}=int(($cheight/$iheight)*$iwidth);$ctag=1;
+ }
+ if ($ctag) {$currentstring=&Apache::edit::rebuild_tag($token);}
}
+
return $currentstring;
}
sub end_img {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
$currentstring = '';
@@ -2250,16 +3006,17 @@ sub start_applet {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $code=&Apache::lonxml::get_param('code',$parstack,$safeeval,undef,1);
- $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$code;
-
+ &Apache::lonxml::extlink($code);
my $archive=&Apache::lonxml::get_param('archive',$parstack,$safeeval,
undef,1);
- $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$archive;
-
+ &Apache::lonxml::extlink($archive);
my $currentstring = '';
- if ($target eq 'web') {
- if ($ENV{'browser.appletsuppress'} ne 'on') {
- $currentstring = $token->[4];
+ if ($target eq 'web' || $target eq 'webgrade') {
+ if ($env{'browser.appletsuppress'} ne 'on') {
+ $currentstring = &Apache::lonenc::encrypt_ref($token,
+ {'code'=>$code,
+ 'archive'=>$archive}
+ );
} else {
my $alttag= &Apache::lonxml::get_param('alt',$parstack,
$safeeval,undef,1);
@@ -2287,7 +3044,7 @@ sub start_applet {
sub end_applet {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
}
@@ -2298,11 +3055,11 @@ sub end_applet {
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]=$src;
+ &Apache::lonxml::extlink($src);
my $currentstring = '';
- if ($target eq 'web') {
- if ($ENV{'browser.embedsuppress'} ne 'on') {
- $currentstring = $token->[4];
+ if ($target eq 'web' || $target eq 'webgrade') {
+ if ($env{'browser.embedsuppress'} ne 'on') {
+ $currentstring=&Apache::lonenc::encrypt_ref($token,{'src'=>$src});
} else {
my $alttag=&Apache::lonxml::get_param
('alt',$parstack,$safeeval,undef,1);
@@ -2319,7 +3076,7 @@ sub start_embed {
sub end_embed {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
}
@@ -2329,16 +3086,27 @@ sub end_embed {
#-- <param> tag (end tag forbidden)
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);
+ if (&Apache::lonxml::get_param('name',$parstack,
+ $safeeval,undef,1)=~/^cabbase$/i) {
+ my $value=&Apache::lonxml::get_param('value',$parstack,
+ $safeeval,undef,1);
+ &Apache::lonxml::extlink($value);
+ }
+
+ my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
+ &Apache::lonxml::extlink($src);
my $currentstring = '';
- if ($target eq 'web') {
- $currentstring = $token->[4];
+ if ($target eq 'web' || $target eq 'webgrade') {
+ my %toconvert;
+ my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
+ if ($src) { $toconvert{'src'}= $src; }
+ my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval,
+ undef,1);
+ if ($name=~/^cabbase$/i) {
+ $toconvert{'value'}=&Apache::lonxml::get_param('value',$parstack,
+ $safeeval,undef,1);
+ }
+ $currentstring = &Apache::lonenc::encrypt_ref($token,\%toconvert);
} elsif ($target eq 'tex') {
}
return $currentstring;
@@ -2347,7 +3115,7 @@ sub start_param {
sub end_param {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
}
@@ -2358,10 +3126,9 @@ sub end_param {
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]=
- &Apache::lonnet::clutter($src);
- &image_replication($src);
+ &Apache::lonxml::extlink($src);
+
+ if ($target eq 'tex') { &image_replication($src); }
my $result;
if ($target eq 'edit') {
$result .=&Apache::edit::tag_start($target,$token);
@@ -2385,36 +3152,16 @@ sub end_allow {
#-- <frameset>
sub start_frameset {
my ($target,$token) = @_;
- my $currentstring = '';
- if ($target eq 'web') {
- if (!$Apache::lonxml::registered &&
- $ENV{'request.state'} eq 'published') {
- $currentstring.='<head>'.
- &Apache::lonmenu::registerurl(undef,$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.='>';
+ my $currentstring = ''; # Close any pending para.
+ if ($target eq 'web' || $target eq 'webgrade') {
+ $currentstring =
+ &Apache::loncommon::start_page($Apache::londefdef::title,
+ $Apache::londefdef::head,
+ {'add_entries' => $token->[2],
+ 'no_title' => 1,
+ 'force_register' => 1,
+ 'frameset' => 1,});
+
}
return $currentstring;
}
@@ -2422,7 +3169,7 @@ sub start_frameset {
sub end_frameset {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -2432,7 +3179,7 @@ sub end_frameset {
sub start_xmp {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
$currentstring .= '\begin{verbatim}';
@@ -2443,7 +3190,7 @@ sub start_xmp {
sub end_xmp {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
$currentstring .= '\end{verbatim}';
@@ -2454,11 +3201,12 @@ sub end_xmp {
#-- <pre> (end tag required)
sub start_pre {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = '';
- if ($target eq 'web') {
+ my $currentstring = &end_p(); # close off pending <p>
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
$currentstring .= '\begin{verbatim}';
+ &Apache::lonxml::disable_LaTeX_substitutions();
}
return $currentstring;
}
@@ -2466,10 +3214,11 @@ sub start_pre {
sub end_pre {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
$currentstring .= '\end{verbatim}';
+ &Apache::lonxml::enable_LaTeX_substitutions();
}
return $currentstring;
}
@@ -2478,7 +3227,7 @@ sub end_pre {
sub start_insert {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
my $display = &Apache::lonxml::get_param('display',$parstack,$safeeval,undef,1);
$currentstring .= '<b>'.$display.'</b>';;
}
@@ -2488,7 +3237,7 @@ sub start_insert {
sub end_insert {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= '';
}
return $currentstring;
@@ -2498,7 +3247,7 @@ sub end_insert {
sub start_externallink {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
my $display = &Apache::lonxml::get_param('display',$parstack,$safeeval,undef,1);
$currentstring .= '<b>'.$display.'</b>';;
}
@@ -2508,7 +3257,7 @@ sub start_externallink {
sub end_externallink {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring .= '';
}
return $currentstring;
@@ -2517,7 +3266,7 @@ sub end_externallink {
#-- <blankspace heigth="">
sub start_blankspace {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
- my $currentstring = '';
+ my $currentstring = &end_p(); # closes off any unclosed <p>
if ($target eq 'tex') {
my $howmuch = &Apache::lonxml::get_param('heigth',$parstack,$safeeval,undef,1);
$currentstring .= '\vskip '.$howmuch.' ';
@@ -2538,7 +3287,7 @@ sub end_blankspace {
sub start_abbr {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -2547,7 +3296,7 @@ sub start_abbr {
sub end_abbr {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -2557,7 +3306,7 @@ sub end_abbr {
sub start_acronym {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -2566,7 +3315,7 @@ sub start_acronym {
sub end_acronym {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -2576,7 +3325,7 @@ sub end_acronym {
sub start_area {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -2585,7 +3334,7 @@ sub start_area {
sub end_area {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -2595,7 +3344,7 @@ sub end_area {
sub start_base {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -2604,7 +3353,7 @@ sub start_base {
sub end_base {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -2614,7 +3363,7 @@ sub end_base {
sub start_bdo {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -2623,7 +3372,7 @@ sub start_bdo {
sub end_bdo {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -2633,7 +3382,7 @@ sub end_bdo {
sub start_bgsound {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -2642,7 +3391,7 @@ sub start_bgsound {
sub end_bgsound {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -2652,7 +3401,7 @@ sub end_bgsound {
sub start_blink {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -2661,7 +3410,7 @@ sub start_blink {
sub end_blink {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -2670,19 +3419,25 @@ sub end_blink {
#-- <blockquote> tag (end tag required)
sub start_blockquote {
my ($target,$token) = @_;
- my $currentstring = '';
- if ($target eq 'web') {
- $currentstring = $token->[4];
+ my $currentstring = &end_p(); # Close any unclosed <p>
+ if ($target eq 'web' || $target eq 'webgrade') {
+ $currentstring .= $token->[4];
}
+ if ($target eq 'tex') {
+ $currentstring .= '\begin{quote}';
+ }
return $currentstring;
}
sub end_blockquote {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
+ if ($target eq 'tex') {
+ $currentstring = '\end{quote}';
+ }
return $currentstring;
}
@@ -2690,7 +3445,7 @@ sub end_blockquote {
sub start_button {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -2699,7 +3454,7 @@ sub start_button {
sub end_button {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -2709,7 +3464,7 @@ sub end_button {
sub start_caption {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -2718,7 +3473,7 @@ sub start_caption {
sub end_caption {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -2728,7 +3483,7 @@ sub end_caption {
sub start_col {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -2737,7 +3492,7 @@ sub start_col {
sub end_col {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -2747,7 +3502,7 @@ sub end_col {
sub start_colgroup {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -2756,7 +3511,7 @@ sub start_colgroup {
sub end_colgroup {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -2766,7 +3521,7 @@ sub end_colgroup {
sub start_del {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -2775,7 +3530,7 @@ sub start_del {
sub end_del {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -2785,7 +3540,7 @@ sub end_del {
sub start_fieldset {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -2794,7 +3549,7 @@ sub start_fieldset {
sub end_fieldset {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -2804,7 +3559,7 @@ sub end_fieldset {
sub start_frame {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -2813,7 +3568,7 @@ sub start_frame {
sub end_frame {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -2823,7 +3578,7 @@ sub end_frame {
sub start_iframe {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -2832,7 +3587,7 @@ sub start_iframe {
sub end_iframe {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -2842,7 +3597,7 @@ sub end_iframe {
sub start_ins {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -2851,7 +3606,7 @@ sub start_ins {
sub end_ins {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -2861,7 +3616,7 @@ sub end_ins {
sub start_isindex {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -2870,7 +3625,7 @@ sub start_isindex {
sub end_isindex {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -2880,7 +3635,7 @@ sub end_isindex {
sub start_keygen {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -2889,7 +3644,7 @@ sub start_keygen {
sub end_keygen {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -2899,7 +3654,7 @@ sub end_keygen {
sub start_label {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -2908,7 +3663,7 @@ sub start_label {
sub end_label {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -2918,7 +3673,7 @@ sub end_label {
sub start_layer {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -2927,7 +3682,7 @@ sub start_layer {
sub end_layer {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -2937,7 +3692,7 @@ sub end_layer {
sub start_legend {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -2946,7 +3701,7 @@ sub start_legend {
sub end_legend {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -2954,9 +3709,12 @@ sub end_legend {
#-- <link> tag (end tag forbidden)
sub start_link {
- my ($target,$token) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
+ my $href=&Apache::lonxml::get_param('href',$parstack,$safeeval,
+ undef,1);
+ &Apache::lonxml::extlink($href);
$currentstring = $token->[4];
}
return $currentstring;
@@ -2965,7 +3723,7 @@ sub start_link {
sub end_link {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -2975,7 +3733,7 @@ sub end_link {
sub start_marquee {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -2984,7 +3742,7 @@ sub start_marquee {
sub end_marquee {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -2993,9 +3751,9 @@ sub end_marquee {
#-- <multicol> tag (end tag required)
sub start_multicol {
my ($target,$token) = @_;
- my $currentstring = '';
- if ($target eq 'web') {
- $currentstring = $token->[4];
+ my $currentstring = &end_p(); # Close any pending <p>
+ if ($target eq 'web' || $target eq 'webgrade') {
+ $currentstring .= $token->[4];
}
return $currentstring;
}
@@ -3003,7 +3761,7 @@ sub start_multicol {
sub end_multicol {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -3013,7 +3771,7 @@ sub end_multicol {
sub start_nobr {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
$currentstring='\mbox{';
@@ -3024,7 +3782,7 @@ sub start_nobr {
sub end_nobr {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
$currentstring='}';
@@ -3036,7 +3794,7 @@ sub end_nobr {
sub start_noembed {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -3045,7 +3803,7 @@ sub start_noembed {
sub end_noembed {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -3055,7 +3813,7 @@ sub end_noembed {
sub start_noframes {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -3064,7 +3822,7 @@ sub start_noframes {
sub end_noframes {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -3074,7 +3832,7 @@ sub end_noframes {
sub start_nolayer {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -3083,7 +3841,7 @@ sub start_nolayer {
sub end_nolayer {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -3093,7 +3851,7 @@ sub end_nolayer {
sub start_noscript {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -3102,7 +3860,7 @@ sub start_noscript {
sub end_noscript {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -3112,7 +3870,7 @@ sub end_noscript {
sub start_object {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -3121,7 +3879,7 @@ sub start_object {
sub end_object {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -3131,7 +3889,7 @@ sub end_object {
sub start_optgroup {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -3140,7 +3898,7 @@ sub start_optgroup {
sub end_optgroup {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -3150,7 +3908,7 @@ sub end_optgroup {
sub start_samp {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
$currentstring='\texttt{';
@@ -3161,7 +3919,7 @@ sub start_samp {
sub end_samp {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
$currentstring='}';
@@ -3173,7 +3931,7 @@ sub end_samp {
sub start_server {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -3182,7 +3940,7 @@ sub start_server {
sub end_server {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -3191,9 +3949,9 @@ sub end_server {
#-- <spacer> tag (end tag forbidden)
sub start_spacer {
my ($target,$token) = @_;
- my $currentstring = '';
- if ($target eq 'web') {
- $currentstring = $token->[4];
+ my $currentstring = &end_p(); # Close off any open <p> tag.
+ if ($target eq 'web' || $target eq 'webgrade') {
+ $currentstring .= $token->[4];
}
return $currentstring;
}
@@ -3201,7 +3959,7 @@ sub start_spacer {
sub end_spacer {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -3211,7 +3969,7 @@ sub end_spacer {
sub start_span {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -3220,7 +3978,7 @@ sub start_span {
sub end_span {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -3230,7 +3988,7 @@ sub end_span {
sub start_tbody {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -3239,7 +3997,7 @@ sub start_tbody {
sub end_tbody {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -3249,7 +4007,7 @@ sub end_tbody {
sub start_tfoot {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -3258,7 +4016,7 @@ sub start_tfoot {
sub end_tfoot {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -3268,7 +4026,7 @@ sub end_tfoot {
sub start_thead {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -3277,7 +4035,7 @@ sub start_thead {
sub end_thead {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -3287,7 +4045,7 @@ sub end_thead {
sub start_var {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
} elsif ($target eq 'tex') {
$currentstring = '\textit{';
@@ -3298,7 +4056,7 @@ sub start_var {
sub end_var {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
$currentstring = '}';
@@ -3310,7 +4068,7 @@ sub end_var {
sub start_wbr {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
}
return $currentstring;
@@ -3319,7 +4077,7 @@ sub start_wbr {
sub end_wbr {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
}
return $currentstring;
@@ -3328,7 +4086,7 @@ sub end_wbr {
#-- <hideweboutput> tag
sub start_hideweboutput {
my ($target,$token) = @_;
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
&Apache::lonxml::startredirection();
}
return '';
@@ -3337,7 +4095,7 @@ sub start_hideweboutput {
sub end_hideweboutput {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = &Apache::lonxml::endredirection();
}
return '';
@@ -3353,11 +4111,224 @@ sub image_replication {
$pssrc =~ s/\.(gif|jpg|jpeg|png)$/.ps/i;
if (not -e $epssrc && not -e $pssrc) {
my $result=&Apache::lonnet::repcopy($epssrc);
- if ($result ne OK) { &Apache::lonnet::repcopy($pssrc); }
+ if ($result ne 'ok') { &Apache::lonnet::repcopy($pssrc); }
}
return '';
}
+#
+# Get correct sizing parameter for an image given
+# it's initial ht. and wid. This allows sizing of
+# images that are generated on-the-fly (e.g. gnuplot)
+# as well as serving as a utility for image_size.
+#
+# Parameter:
+# height_param
+# width_param - Initial picture dimensions.
+# scaling - A scale factor.
+# parstack, - the current stack of tag attributes
+# from the xml parser
+# safeeval, - pointer to the safespace
+# depth, - from what level in the stack to look for attributes
+# (assumes -1 if unspecified)
+# cis - look for attrubutes case insensitively
+# (assumes false)
+#
+# Returns:
+# height, width - new dimensions.
+#
+sub resize_image {
+ my ($height_param, $width_param, $scaling,
+ $parstack, $safeeval, $depth, $cis) = @_;
+
+ # First apply the scaling...
+
+ $height_param = $height_param * $scaling;
+ $width_param = $width_param * $scaling;
+
+ #do we have any specified LaTeX size of the picture?
+ my $toget='TeXwidth';
+ if ($cis) {
+ $toget=lc($toget);
+ }
+ my $TeXwidth = &Apache::lonxml::get_param($toget,$parstack,
+ $safeeval,$depth,$cis);
+ $toget='TeXheight'; if ($cis) { $toget=lc($toget); }
+ my $TeXheight = &Apache::lonxml::get_param($toget,$parstack,
+ $safeeval,$depth,$cis);
+ #do we have any specified web size of the picture?
+ my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval,
+ $depth,1);
+ if ($TeXwidth) {
+ my $old_width_param=$width_param;
+ if ($TeXwidth=~/(\d+)\s*\%/) {
+ $width_param = $1*$env{'form.textwidth'}/100;
+ } else {
+ $width_param = $TeXwidth;
+ }
+ if ($TeXheight) {
+ $height_param = $TeXheight;
+ } elsif ($old_width_param) {
+ $height_param=$TeXwidth/$old_width_param*$height_param;
+ }
+ } elsif ($TeXheight) {
+ $height_param = $TeXheight;
+ if ($height_param) {
+ $width_param = $TeXheight/$height_param*$width_param;
+ }
+ } elsif ($width) {
+ my $old_width_param=$width_param;
+ $width_param = $width*$scaling;
+ if ($old_width_param) {
+ $height_param=$width_param/$old_width_param*$height_param;
+ }
+ }
+ if ($width_param > $env{'form.textwidth'}) {
+ my $old_width_param=$width_param;
+ $width_param =0.95*$env{'form.textwidth'};
+ if ($old_width_param) {
+ $height_param=$width_param/$old_width_param*$height_param;
+ }
+ }
+
+ return ($height_param, $width_param);
+}
+
+sub image_size {
+ my ($src,$scaling,$parstack,$safeeval,$depth,$cis)=@_;
+
+ #size of image from gif/jpg/jpeg/png
+ my $ressrc=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
+ if (-e $ressrc) {
+ $src = $ressrc;
+ }
+ my $image = Image::Magick->new;
+ my $current_figure = $image->Read($src);
+ my $width_param = $image->Get('width');
+ my $height_param = $image->Get('height');
+ &Apache::lonxml::debug("Image magick says: $src : Height = $height_param width = $width_param");
+ undef($image);
+
+ ($height_param, $width_param) = &resize_image($height_param, $width_param,
+ $scaling, $parstack, $safeeval,
+ $depth, $cis);
+
+ return ($height_param, $width_param);
+}
+
+sub image_width {
+ my ($height, $width) = &image_size(@_);
+ return $width;
+}
+# Not yet 100% sure this is correct in all circumstances..
+# due to my uncertainty about mods to image_size.
+#
+sub image_height {
+ my ($height, $width) = &image_size(@_);
+ return $height;
+}
+sub get_eps_image {
+ my ($src)=@_;
+ my $orig_src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1], $src);
+
+ # In order to prevent the substitution of the alt text, we need to
+ # be sure the orig_src file is on system now so:
+
+ if (! -e $orig_src) {
+ &Apache::lonnet::repcopy($orig_src); # Failure is not completely fatal.
+ }
+ &Apache::lonxml::debug("get_eps_image: Original image: $orig_src");
+ my ($spath, $sname, $sext) = fileparse($src, qr/\.(gif|png|jpg|jpeg)/i);
+ $src=~s/\.(gif|png|jpg|jpeg)$/\.eps/i;
+ $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
+ &Apache::lonxml::debug("Filelocation gives: $src");
+ if (! -e $src) {
+ &Apache::lonxml::debug("$src does not exist");
+ if (&Apache::lonnet::repcopy($src) ne 'ok' ) {
+ &Apache::lonxml::debug("Repcopy of $src failed (1)");
+ #if replication failed try to find ps file
+ $src=~s/\.eps$/\.ps/;
+ &Apache::lonxml::debug("Now looking for $src");
+ #if no ps file try to replicate it.
+ my $didrepcopy = &Apache::lonnet::repcopy($src);
+ &Apache::lonxml::debug("repcopy of $src ... $didrepcopy");
+ if ( (not -e $src) ||
+ ($didrepcopy ne 'ok')) {
+ &Apache::lonxml::debug("Failed to find or replicate $src");
+
+ #if replication failed try to produce eps file dynamically
+ $src=~s/\.ps$/\.eps/;
+ my $temp_file;
+ open(FILE,">>/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat");
+ my $newsrc=$orig_src;
+ $newsrc =~ s|(.*)/res/|/home/httpd/html/res/|;
+ &Apache::lonxml::debug("queueing $newsrc for dynamic eps production.");
+ print FILE "$newsrc\n";
+ close FILE;
+ $src=~s|/home/httpd/html/res|/home/httpd/prtspool|;
+ $src=~s|/home/([^/]*)/public_html/|/home/httpd/prtspool/$1/|;
+ if ($sext ne "") { # Put the ext. back in to uniquify.
+ $src =~ s/\.eps$/$sext.eps/;
+ }
+
+ }
+
+ }
+ } else {
+ # If the postscript file has spaces in its name,
+ # LaTeX will gratuitiously vomit. Therefore
+ # queue such files for copy with " " replaced by "_".
+ # printout.pm will know them by their .ps or .eps extensions.
+ my $newsrc = $orig_src;
+ $newsrc =~ s|(.*)/res/|/home/httpd/html/res/|;
+ open(FILE,">>/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat");
+ print FILE "$src\n";
+ close FILE;
+ $src=~s|/home/httpd/html/res|/home/httpd/prtspool|;
+ $src=~s|/home/([^/]*)/public_html/|/home/httpd/prtspool/$1/|;
+ }
+ my ($path,$file)=($src=~m|(.*)/([^/]*)$|);
+ $file =~ s/ /\_/g;
+ &Apache::lonxml::debug("get_eps_image returning: $path / $file<BR />");
+ return ($path.'/',$file);
+}
+
+sub eps_generation {
+ my ($src,$file,$width_param) = @_;
+ my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
+ my $temp_file = Apache::File->new('>>'.$filename);
+ print $temp_file "$src\n";
+ my $newsrc = $src;
+ $newsrc =~ s/(\.gif|\.jpg|\.jpeg)$/\.eps/i;
+ $newsrc=~s/\/home\/httpd\/html\/res//;
+ $newsrc=~s/\/home\/([^\/]*)\/public_html\//\/$1\//;
+ $newsrc=~s/\/\.\//\//;
+ $newsrc=~s/\/([^\/]+)\.(ps|eps)/\//;
+ if ($newsrc=~/\/home\/httpd\/lonUsers\//) {
+ $newsrc=~s/\/home\/httpd\/lonUsers//;
+ $newsrc=~s/\/([^\/]+)\/(\w)\/(\w)\/(\w)\//\/$1\//;
+ }
+ if ($newsrc=~/\/userfiles\//) {
+ return ' \graphicspath{{'.$newsrc.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
+ } else {
+ return ' \graphicspath{{/home/httpd/prtspool'.$newsrc.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
+ }
+}
+
+sub file_path {
+ my $src=shift;
+ my ($file,$path);
+ if ($src =~ m!(.*)/([^/]*)$!) {
+ $file = $2;
+ $path = $1.'/';
+ }
+ return $file,$path;
+}
+# Converts a measurement in to mm from any of
+# the other valid LaTeX units of measure.
+# If the units of measure are missing from the
+# parameter, it is assumed to be in and returned
+# with mm units of measure
sub recalc {
my $argument = shift;
if (not $argument=~/(mm|cm|in|pc|pt)/) {return $argument.' mm';}
@@ -3378,23 +4349,50 @@ sub recalc {
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;
+ $garbage=~s/^\s+$//;
+ $garbage=~s/^\s+(\S.*)/$1/;#space before
+ $garbage=~s/(.*\S)\s+$/$1/;#space after
+ $garbage=~s/(\s)+/$1/;#only one space
+ $garbage=~s/(\\begin{([^\}]+)}|\\end{([^\}]+)})//g;#remove LaTeX \begin{...} and \end{...}
+ $garbage=~s/(\$\_\{|\$\_|\$\^{|\$\^|\}\$)//g;#remove $_{,$_,$^{,$^,}$
+ $garbage=~s/([^\\])\$/$1/g;#$
+ $garbage=~s/(\\ensuremath\{\_\{|\\ensuremath\{\_|\\ensuremath\{\^{|\\ensuremath\{\^|\})//g;#remove \ensuremath{...}
+ $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;
+ $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)/11/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)/11/g;
+ $garbage=~s/(\\hat{([^}]+)}|\\check{([^}]+)}|\\dot{([^}]+)}|\\breve{([^}]+)}|\\acute{([^}]+)}|\\ddot{([^}]+)}|\\grave{([^}]+)}|\\tilde{([^}]+)}|\\mathring{([^}]+)}|\\bar{([^}]+)}|\\vec{([^}]+)})/$1/g;
+ #remove some other LaTeX command
+ $garbage=~s|\\(\w+)\\|\\|g;
+ $garbage=~s|\\(\w+)(\s*)|$2|g;
+ $garbage=~s|\+|11|g;
my $value=length($garbage);
return $value;
}
+# is_inside_of $tagstack $tag
+# This sub returns true if the current state of Xml processing
+# is inside of the tag.
+# Parameters:
+# tagstack - The tagstack from the parser.
+# tag - The tag (without the <>'s.).
+# Sample usage:
+# if (is_inside_of($tagstack "table")) {
+# # I'm in a table....
+# }
+sub is_inside_of {
+ my ($tagstack, $tag) = @_;
+ my @stack = @$tagstack;
+ for (my $i = ($#stack - 1); $i >= 0; $i--) {
+ if ($stack[$i] eq $tag) {
+ return 1;
+ }
+ }
+ return 0;
+}
1;