--- loncom/xml/londefdef.pm 2003/07/28 19:18:02 1.156 +++ loncom/xml/londefdef.pm 2004/07/15 15:13:52 1.229 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Tags Default Definition Module # -# $Id: londefdef.pm,v 1.156 2003/07/28 19:18:02 sakharuk Exp $ +# $Id: londefdef.pm,v 1.229 2004/07/15 15:13:52 sakharuk Exp $ # # # Copyright Michigan State University Board of Trustees @@ -50,6 +50,8 @@ use Apache::File(); use Image::Magick; use Apache::lonmenu(); use Apache::lonmeta(); +use Apache::Constants qw(:common); + BEGIN { @@ -57,6 +59,15 @@ BEGIN { } +sub initialize_londefdef { + $Apache::londefdef::TD_redirection=0; + @Apache::londefdef::table = (); + $Apache::londefdef::select=0; + @Apache::londefdef::description=(); + $Apache::londefdef::DD_redirection=0; + $Apache::londefdef::DT_redirection=0; +} + #======================= TAG SUBROUTINES ===================== #-- <output> sub start_output { @@ -71,11 +82,10 @@ sub end_output { } #-- <m> tag sub start_m { - my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; my $currentstring = ''; - if ($target eq 'web') { - $Apache::lonxml::prevent_entity_encode++; - my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser); + my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser); + if ($target eq 'web' || $target eq 'analyze') { $inside ='\\documentstyle{article}'.$inside; &Apache::lonxml::debug("M is starting with:$inside:"); my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval); @@ -90,11 +100,15 @@ sub start_m { $Apache::lontexconvert::errorstring=''; } #&Apache::lonxml::debug("M is ends with:$currentstring:"); + $Apache::lonxml::post_evaluate=0; } elsif ($target eq 'tex') { - $currentstring = &Apache::lonxml::get_all_text_unbalanced("/m",$parser); + $currentstring = $inside; + my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval); + if ($eval eq 'on') { + $currentstring=&Apache::run::evaluate($currentstring,$safeeval,$$parstack[-1]); + } if ($currentstring=~/^(\s*\\\\\s*)*$/) {$currentstring = ' \vskip 0 mm ';} - } else { - my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser); + $Apache::lonxml::post_evaluate=0; } return $currentstring; } @@ -102,11 +116,8 @@ 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; } @@ -132,39 +143,34 @@ sub end_tthoption { return $result; } -#-- <html> tag +#-- <html> tag (end tag optional) 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') { + my $options=$ENV{'course.'.$ENV{'request.course.id'}.'.tthoptions'}; + &Apache::lontexconvert::init_tth(); + 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[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}}'; + $currentstring .= '\newcommand{\keephidden}[1]{}'. + '\renewcommand{\deg}{$^{\circ}$}'. + '\usepackage{longtable}'. + '\usepackage{textcomp}'. + '\usepackage{makeidx}'. + '\usepackage[dvips]{graphicx}'. + '\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; } @@ -178,7 +184,7 @@ sub end_html { return $currentstring; } -#-- <head> tag +#-- <head> tag (end tag optional) sub start_head { my ($target,$token) = @_; my $currentstring = ''; @@ -191,14 +197,14 @@ sub start_head { sub end_head { my ($target,$token) = @_; my $currentstring = ''; - if ($target eq 'web') { + if ($target eq 'web' && $ENV{'request.state'} eq 'published') { $currentstring = &Apache::lonmenu::registerurl(undef,$target). $token->[2]; } return $currentstring; } -#-- <map> tag +#-- <map> tag (end tag required) sub start_map { my ($target,$token) = @_; my $currentstring = ''; @@ -217,13 +223,15 @@ sub end_map { return $currentstring; } -#-- <select> tag +#-- <select> tag (end tag required) sub start_select { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; - } + } elsif ($target eq 'tex') { + $Apache::londefdef::select=0; + } return $currentstring; } @@ -236,13 +244,20 @@ sub end_select { return $currentstring; } -#-- <option> tag +#-- <option> tag (end tag optional) sub start_option { - my ($target,$token) = @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; - } + } elsif ($target eq 'tex') { + $Apache::londefdef::select++; + if ($Apache::londefdef::select == 1) { + $currentstring='\noindent\fbox{'.&Apache::lonxml::get_param('value',$parstack,$safeeval).'}\keephidden{'; + } else { + $currentstring='\keephidden{'; + } + } return $currentstring; } @@ -251,11 +266,13 @@ sub end_option { my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; - } + } elsif ($target eq 'tex') { + $currentstring='}'; + } return $currentstring; } -#-- <input> tag +#-- <input> tag (end tag forbidden) sub start_input { my ($target,$token) = @_; my $currentstring = ''; @@ -274,7 +291,7 @@ sub end_input { return $currentstring; } -#-- <textarea> tag +#-- <textarea> tag (end tag required) sub start_textarea { my ($target,$token) = @_; my $currentstring = ''; @@ -293,7 +310,7 @@ sub end_textarea { return $currentstring; } -#-- <form> tag +#-- <form> tag (end tag required) sub start_form { my ($target,$token) = @_; my $currentstring = ''; @@ -312,18 +329,18 @@ sub end_form { return $currentstring; } -#-- <title> tag +#-- <title> tag (end tag required) sub start_title { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { - $currentstring .= '\keephidden{' + $currentstring .= '\keephidden{Title of the document: ' } if ($target eq 'meta') { $currentstring='<title>'; - &start_output(); + &start_output($target); } return $currentstring; } @@ -337,13 +354,13 @@ sub end_title { $currentstring .= '}'; } if ($target eq 'meta') { - &end_output(); + &end_output($target); $currentstring='</title>'; } return $currentstring; } -#-- <meta> tag +#-- <meta> tag (end tag forbidden) sub start_meta { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; @@ -378,7 +395,7 @@ 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>'; } @@ -394,7 +411,7 @@ sub start_meta { } sub end_meta { - my ($target,$token,$tagstack,$parstack,$parser) = @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { my $args=''; @@ -403,8 +420,11 @@ sub end_meta { $currentstring = $token->[4]; } } elsif ($target eq 'tex') { - $currentstring=&Apache::lonxml::endredirection(); - $currentstring=''; + my $content=&Apache::lonxml::get_param('content',$parstack,$safeeval); + my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval); + if ((not defined $content) && (not defined $name)) { + &Apache::lonxml::endredirection(); + } } return $currentstring; } @@ -454,12 +474,17 @@ sub end_accessrule { return $currentstring; } -#-- <body> tag +#-- <body> tag (end tag required) sub start_body { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { - if (!$Apache::lonxml::registered) { + if ($Apache::lonhomework::parsing_a_problem) { + &Apache::lonxml::warning("<body> tag found inside of <problem> tag this can cause problems."); + return ''; + } + if (!$Apache::lonxml::registered && + $ENV{'request.state'} eq 'published') { $currentstring.='<head>'. &Apache::lonmenu::registerurl(undef,$target).'</head>'; } @@ -512,12 +537,13 @@ sub start_body { if ($ENV{'request.state'} ne 'published') { $currentstring.=(<<EDITBUTTON); <form method="post"> - <input type="submit" name="editmode" value="Edit" /> + <input type="submit" name="editmode" accesskey="e" value="Edit" /> </form> EDITBUTTON } else { $currentstring.=&Apache::lonmenu::menubuttons(undef,$target,1); } + $currentstring.=&Apache::lonxml::message_location(); } elsif ($target eq 'tex') { $currentstring = '\begin{document}'; } @@ -530,12 +556,12 @@ sub end_body { if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { - $currentstring = '\end{document}'; + $currentstring = '\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent \end{document}'; } return $currentstring; } -#-- <center> tag +#-- <center> tag (end tag required) sub start_center { my ($target,$token) = @_; my $currentstring = ''; @@ -558,7 +584,7 @@ sub end_center { return $currentstring; } -#-- <b> tag +#-- <b> tag (end tag required) sub start_b { my ($target,$token) = @_; my $currentstring = ''; @@ -581,7 +607,7 @@ sub end_b { return $currentstring; } -#-- <strong> tag +#-- <strong> tag (end tag required) sub start_strong { my ($target,$token) = @_; my $currentstring = ''; @@ -596,8 +622,7 @@ sub start_strong { sub end_strong { my ($target,$token) = @_; my $currentstring = ''; - if ($target eq 'web') { - + if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { $currentstring = '}'; @@ -605,7 +630,7 @@ sub end_strong { return $currentstring; } -#-- <h1> tag +#-- <h1> tag (end tag required) sub start_h1 { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; @@ -613,8 +638,8 @@ sub start_h1 { $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{'; @@ -626,7 +651,7 @@ sub start_h1 { $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{'; } elsif ($target eq 'meta') { $currentstring='<subject>'; - &start_output(); + &start_output($target); } return $currentstring; } @@ -637,9 +662,9 @@ sub end_h1 { if ($target eq 'web') { $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 '; @@ -648,7 +673,7 @@ sub end_h1 { } $currentstring .= '}}'.$post; } elsif ($target eq 'meta') { - &end_output(); + &end_output($target); $currentstring='</subject>'; } return $currentstring; @@ -663,7 +688,7 @@ sub start_h2 { } 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{'; @@ -683,9 +708,9 @@ sub end_h2 { if ($target eq 'web') { $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 '; @@ -706,7 +731,7 @@ sub start_h3 { } 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{'; @@ -726,9 +751,9 @@ sub end_h3 { if ($target eq 'web') { $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 '; @@ -749,7 +774,7 @@ sub start_h4 { } 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{'; @@ -769,9 +794,9 @@ sub end_h4 { if ($target eq 'web') { $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 '; @@ -792,7 +817,7 @@ sub start_h5 { } 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{'; @@ -812,9 +837,9 @@ sub end_h5 { if ($target eq 'web') { $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 '; @@ -835,7 +860,7 @@ sub start_h6 { } 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{'; @@ -855,9 +880,9 @@ sub end_h6 { if ($target eq 'web') { $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 '; @@ -869,14 +894,14 @@ sub end_h6 { return $currentstring; } -#--- <cite> tag +#--- <cite> tag (end tag required) sub start_cite { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { - $currentstring .= "\\textit{"; + $currentstring .= '\textit{'; } return $currentstring; } @@ -887,12 +912,12 @@ sub end_cite { if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { - $currentstring .= "}"; + $currentstring .= '}'; } return $currentstring; } -#-- <i> tag +#-- <i> tag (end tag required) sub start_i { my ($target,$token) = @_; my $currentstring = ''; @@ -915,14 +940,14 @@ sub end_i { return $currentstring; } -#-- <address> tag +#-- <address> tag (end tag required) sub start_address { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { - $currentstring .= "\\textit{"; + $currentstring .= '\textit{'; } return $currentstring; } @@ -933,19 +958,19 @@ sub end_address { if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { - $currentstring .= "}"; + $currentstring .= '}'; } return $currentstring; } -#-- <dfn> tag +#-- <dfn> tag (end tag required) sub start_dfn { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { - $currentstring .= "\\textit{"; + $currentstring .= '\textit{'; } return $currentstring; } @@ -956,12 +981,12 @@ sub end_dfn { if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { - $currentstring .= "}"; + $currentstring .= '}'; } return $currentstring; } -#-- <tt> tag +#-- <tt> tag (end tag required) sub start_tt { my ($target,$token) = @_; my $currentstring = ''; @@ -984,14 +1009,14 @@ sub end_tt { return $currentstring; } -#-- <kbd> tag +#-- <kbd> tag (end tag required) sub start_kbd { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { - $currentstring .= "\\texttt"; + $currentstring .= '\texttt{'; } return $currentstring; } @@ -1002,12 +1027,12 @@ sub end_kbd { if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { - $currentstring .= "}"; + $currentstring .= '}'; } return $currentstring; } -#-- <code> tag +#-- <code> tag (end tag required) sub start_code { my ($target,$token) = @_; my $currentstring = ''; @@ -1030,7 +1055,7 @@ sub end_code { return $currentstring; } -#-- <em> tag +#-- <em> tag (end tag required) sub start_em { my ($target,$token) = @_; my $currentstring = ''; @@ -1053,14 +1078,14 @@ sub end_em { return $currentstring; } -#-- <q> tag +#-- <q> tag (end tag required) sub start_q { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { - $currentstring .= "\\emph{"; + $currentstring .= '\emph{'; } return $currentstring; } @@ -1071,41 +1096,75 @@ sub end_q { if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { - $currentstring .= "}"; + $currentstring .= '}'; } return $currentstring; } -#-- <p> tag +#-- <p> tag (end tag optional) +#optional attribute - align="center|left|right" sub start_p { - my ($target,$token) = @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { - $currentstring .= '\par '; + my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1); + if ($align eq 'center') { + $currentstring='\begin{center}\par'; + } elsif ($align eq 'right') { + $currentstring='\makebox['.$ENV{'form.textwidth'}.']{\hfill\llap{'; + } elsif ($align eq 'left') { + $currentstring='\noindent\makebox['.$ENV{'form.textwidth'}.']{\rlap{'; + } else { + $currentstring='\par '; + } + my $signal=1;#<p> does not work inside <b>...</b> + foreach my $tag (@$tagstack) {if (lc($tag) eq 'b') {$signal=0;} + if (!$signal) {$currentstring = '';} + } } return $currentstring; } sub end_p { - my ($target,$token) = @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; + } elsif ($target eq 'tex') { + my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1); + if ($align eq 'center') { + $currentstring .= '\end{center}'; + } elsif ($align eq 'right') { + $currentstring .= '}}'; + } elsif ($align eq 'left') { + $currentstring .= '}\hfill}'; + } } return $currentstring; } -#-- <br> tag +#-- <br> tag (end tag forbidden) sub start_br { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { - if ($$tagstack[-2] ne 'sub' && $$tagstack[-2] ne 'sup') { - $currentstring .= '\vskip 0.2 mm '; + my @tempo=@$tagstack; + my $signal=0; + for (my $i=$#tempo;$i>=0;$i--) { + if (($tempo[$i] eq 'b') || ($tempo[$i] eq 'strong') || + ($tempo[$i] eq 'ol') || ($tempo[$i] eq 'ul')) { + $signal=1; + last; + } + } + if ($signal) { + $currentstring .= ' \vskip 0 mm '; + } elsif ($$tagstack[-2] ne 'sub' && $$tagstack[-2] ne 'sup') { + $currentstring .= '\strut \\\\ \strut '; } } return $currentstring; @@ -1120,7 +1179,7 @@ sub end_br { return $currentstring; } -#-- <big> tag +#-- <big> tag (end tag required) sub start_big { my ($target,$token) = @_; my $currentstring = ''; @@ -1143,7 +1202,7 @@ sub end_big { return $currentstring; } -#-- <small> tag +#-- <small> tag (end tag required) sub start_small { my ($target,$token) = @_; my $currentstring = ''; @@ -1166,7 +1225,7 @@ sub end_small { return $currentstring; } -#-- <basefont> tag +#-- <basefont> tag (end tag forbidden) sub start_basefont { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $currentstring = ''; @@ -1195,15 +1254,13 @@ sub end_basefont { return $currentstring; } -#-- <font> tag +#-- <font> tag (end tag required) sub start_font { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $currentstring = ''; if ($target eq 'web') { my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval); - if ($face=~/symbol/i) { - $Apache::lonxml::prevent_entity_encode++; - } else { + if ($face!~/symbol/i) { if (($ENV{'browser.fontenhance'} eq 'on') || ($ENV{'browser.blackwhite'} eq 'on')) { return ''; } } @@ -1221,8 +1278,6 @@ sub end_font { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $currentstring = ''; if ($target eq 'web') { - my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval); - if ($face=~/symbol/i) {$Apache::lonxml::prevent_entity_encode--;} $currentstring = $token->[2]; } elsif ($target eq 'tex') { my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval); @@ -1233,7 +1288,7 @@ sub end_font { return $currentstring; } -#-- <strike> tag +#-- <strike> tag (end tag required) sub start_strike { my ($target,$token) = @_; my $currentstring = ''; @@ -1259,7 +1314,7 @@ sub end_strike { return $currentstring; } -#-- <s> tag +#-- <s> tag (end tag required) sub start_s { my ($target,$token) = @_; my $currentstring = ''; @@ -1285,14 +1340,14 @@ sub end_s { return $currentstring; } -#-- <sub> tag +#-- <sub> tag (end tag required) sub start_sub { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { - $currentstring .= "\$_{ "; + $currentstring .= '\ensuremath{_{'; } return $currentstring; } @@ -1303,19 +1358,19 @@ sub end_sub { if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { - $currentstring .= " }\$"; + $currentstring .= '}}'; } return $currentstring; } -#-- <sup> tag +#-- <sup> tag (end tag required) sub start_sup { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { - $currentstring .= "\$^{ "; + $currentstring .= '\ensuremath{^{'; } return $currentstring; } @@ -1326,12 +1381,12 @@ sub end_sup { if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { - $currentstring .= " }\$"; + $currentstring .= '}}'; } return $currentstring; } -#-- <hr> tag +#-- <hr> tag (end tag forbidden) sub start_hr { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; @@ -1371,7 +1426,7 @@ sub end_hr { return $currentstring; } -#-- <div> tag +#-- <div> tag (end tag required) sub start_div { my ($target,$token) = @_; my $currentstring = ''; @@ -1390,7 +1445,7 @@ sub end_div { return $currentstring; } -#-- <a> tag +#-- <a> tag (end tag required) sub start_a { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; @@ -1398,14 +1453,21 @@ sub start_a { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { my $a=&Apache::lonxml::get_param('href',$parstack,$safeeval,undef,1); - $a=~s/([^\\])%/$1\\\%/g; - $currentstring .= '\ref{'.$a.'}'; + my $b=&Apache::lonxml::get_param('name',$parstack,$safeeval,undef,1); + if ($a=~/\S/) { + $a=~s/([^\\])%/$1\\\%/g; + $currentstring .= '\ref{URI: '.$a.'}'; + } elsif ($b=~/\S/) { + $currentstring .= '\ref{Anchor: '.$b.'}'; + } else { + $currentstring.=''; + } } return $currentstring; } sub end_a { - my ($target,$token,$tagstack,$parstack,$safeeval) = @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[2]; @@ -1413,9 +1475,9 @@ sub end_a { return $currentstring; } -#-- <li> tag +#-- <li> tag (end tag optional) sub start_li { - my ($target,$token,$tagstack,$parstack,$safeeval) = @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; @@ -1443,7 +1505,7 @@ sub end_li { return $currentstring; } -#-- <u> tag +#-- <u> tag (end tag required) sub start_u { my ($target,$token) = @_; my $currentstring = ''; @@ -1469,7 +1531,7 @@ sub end_u { return $currentstring; } -#-- <ul> tag +#-- <ul> tag (end tag required) sub start_ul { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; @@ -1478,22 +1540,22 @@ sub start_ul { } elsif ($target eq 'tex') { my $TeXtype=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0); if ($TeXtype eq 'disc') { - $currentstring .= ' \renewcommand{\labelitemi}{$\bullet$} - \renewcommand{\labelitemii}{$\bullet$} - \renewcommand{\labelitemiii}{$\bullet$} - \renewcommand{\labelitemiv}{$\bullet$}'; + $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; } @@ -1504,15 +1566,15 @@ sub end_ul { if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { - $currentstring = '\end{itemize} \renewcommand{\labelitemi}{$\bullet$} - \renewcommand{\labelitemii}{$\bullet$} - \renewcommand{\labelitemiii}{$\bullet$} - \renewcommand{\labelitemiv}{$\bullet$}'; + $currentstring = '\end{itemize} \renewcommand{\labelitemi}{$\bullet$}'. + '\renewcommand{\labelitemii}{$\bullet$}'. + '\renewcommand{\labelitemiii}{$\bullet$}'. + '\renewcommand{\labelitemiv}{$\bullet$}\strut '; } return $currentstring; } -#-- <menu> tag +#-- <menu> tag (end tag required) sub start_menu { my ($target,$token) = @_; my $currentstring = ''; @@ -1535,7 +1597,7 @@ sub end_menu { return $currentstring; } -#-- <dir> tag +#-- <dir> tag (end tag required) sub start_dir { my ($target,$token) = @_; my $currentstring = ''; @@ -1558,7 +1620,7 @@ sub end_dir { return $currentstring; } -#-- <ol> tag +#-- <ol> tag (end tag required) sub start_ol { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; @@ -1567,32 +1629,32 @@ sub start_ol { } elsif ($target eq 'tex') { my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0); if ($type eq '1') { - $currentstring .= ' \renewcommand{\labelenumi}{\arabic{enumi}.} - \renewcommand{\labelenumii}{\arabic{enumii}.} - \renewcommand{\labelenumiii}{\arabic{enumiii}.} - \renewcommand{\labelenumiv}{\arabic{enumiv}.}'; + $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; } @@ -1603,123 +1665,171 @@ sub end_ol { if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { - $currentstring = '\end{enumerate} \renewcommand{\labelenumi}{\arabic{enumi}.} - \renewcommand{\labelenumii}{\arabic{enumii}.} - \renewcommand{\labelenumiii}{\arabic{enumiii}.} - \renewcommand{\labelenumiv}{\arabic{enumiv}.}'; + $currentstring = '\end{enumerate}\renewcommand{\labelenumi}{\arabic{enumi}.}'. + '\renewcommand{\labelenumii}{\arabic{enumii}.}'. + '\renewcommand{\labelenumiii}{\arabic{enumiii}.}'. + '\renewcommand{\labelenumiv}{\arabic{enumiv}.}\strut '; } return $currentstring; } -#-- <dl> tag +#-- <dl> tag (end tag required) sub start_dl { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { - $currentstring = '\begin{description}'; + $currentstring = '\begin{description}'; + @Apache::londefdef::description=(); + $Apache::londefdef::DD_redirection=0; + $Apache::londefdef::DT_redirection=0; } return $currentstring; } sub end_dl { - my ($target,$token) = @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { - $currentstring = '\end{description}'; + if ($Apache::londefdef::DT_redirection) { + my $data=&item_cleanup; + push @Apache::londefdef::description,'\item['.$data.']'; + $Apache::londefdef::DT_redirection=0; + } elsif ($Apache::londefdef::DD_redirection) { + $Apache::londefdef::description[-1].=&Apache::lonxml::endredirection(); + } + foreach my $element (@Apache::londefdef::description) { + $currentstring.=' '.$element.' '; + } + @Apache::londefdef::description=(); + $currentstring.='\end{description}'; } return $currentstring; } -#-- <dt> tag +#-- <dt> tag (end tag optional) sub start_dt { - my ($target,$token) = @_; - my $currentstring = ''; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; + my $currentstring=''; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { - $currentstring = '\item['; + if ($Apache::londefdef::DT_redirection) { + my $data=&item_cleanup; + push @Apache::londefdef::description,'\item['.$data.']'; + $Apache::londefdef::DT_redirection=0; + } elsif ($Apache::londefdef::DD_redirection) { + $Apache::londefdef::description[-1].=&Apache::lonxml::endredirection(); + $Apache::londefdef::DD_redirection=0; + } + &Apache::lonxml::startredirection(); + $Apache::londefdef::DT_redirection=1; } return $currentstring; } sub end_dt { - my ($target,$token) = @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { - $currentstring = ']'; + my $data=&item_cleanup; + push @Apache::londefdef::description,'\item['.$data.']'; + $Apache::londefdef::DT_redirection=0; } return $currentstring; } -#-- <dd> tag +sub item_cleanup { + my $item=&Apache::lonxml::endredirection(); + $item=~s/\\begin{center}//g; + $item=~s/\\end{center}//g; + return $item; +} + +#-- <dd> tag (end tag optional) sub start_dd { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { - if ($$tagstack[-2] eq 'dl') { - $currentstring = ' \item [] '; - } elsif ($$tagstack[-2] eq 'dt') { - $currentstring = ']'; + if ($Apache::londefdef::DT_redirection) { + my $data=&item_cleanup; + push @Apache::londefdef::description,'\item['.$data.']'; + $Apache::londefdef::DT_redirection=0; } + $Apache::londefdef::DD_redirection=1; + &Apache::lonxml::startredirection(); } return $currentstring; } sub end_dd { - my ($target,$token) = @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; - } + } elsif ($target eq 'tex') { + $Apache::londefdef::description[-1].=&Apache::lonxml::endredirection(); + $Apache::londefdef::DD_redirection=0; + } return $currentstring; } -#-- <table> tag +#-- <table> tag (end tag required) +#list of supported attributes: border,width,TeXwidth sub start_table { my ($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 $currentstring = ''; + my ($textwidth,$currentstring)=('',''); if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { my $aa = {}; push @Apache::londefdef::table, $aa; $Apache::londefdef::table[-1]{'row_number'} = -1; - #table's width + #maximum table's width (default coincides with text line length) + if ($#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 { + #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]; + } + } + } 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=~/%/) { + $Apache::londefdef::table[-1]{'percent'}=1; $htmlwidth=~/(\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; } } elsif ($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]{'forcetablewidth'}=1; + $Apache::londefdef::table[-1]{'width'}=$TeXwidth; } #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 '; @@ -1730,9 +1840,19 @@ 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) { + $Apache::londefdef::table[-1]{'output'}='\strut\newline\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'}=[]; + $currentstring='\keephidden{NEW TABLE ENTRY}'; + } return $currentstring; } @@ -1744,64 +1864,207 @@ sub end_table { } elsif ($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/3) { - $length_row_final[$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 .= ' \\\\ '; + for (my $jn=0;$jn<=$#fwidth;$jn++) { + if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') { + $output.='\vspace*{-6 mm}\begin{center}'; + } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') { + $output.=' \hfill \llap{' + } + $output.=$Apache::londefdef::table[-1]{'content'}[$in][$jn]; + if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') { + $output.='\end{center}\vspace*{-6 mm}'; + } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') { + $output.='} '; + } + if ($jn!=$#fwidth) {$output.=' '.$Apache::londefdef::table[-1]{'vinc'};} + } + $output.=' \\\\ '.$Apache::londefdef::table[-1]{'hinc'}.' '; } - $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$output.$Apache::londefdef::table[-1]{'hinc'}.'\end{tabular}\vskip 0 mm '; + $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$Apache::londefdef::table[-1]{'hinc'}.$output.'\end{tabular}\strut\newline\strut '; if ($#Apache::londefdef::table > 0) { my $inmemory = $Apache::londefdef::table[-1]{'output'}; pop @Apache::londefdef::table; @@ -1815,7 +2078,7 @@ sub end_table { return $currentstring; } -#-- <tr> tag +#-- <tr> tag (end tag optional) sub start_tr { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; @@ -1823,87 +2086,164 @@ sub start_tr { $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'}); $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,$token) = @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { - push @{ $Apache::londefdef::table[-1]{'TeXlengthrow'} },$Apache::londefdef::table[-1]{'TeXlength'}; - push @{ $Apache::londefdef::table[-1]{'lengthrow'} },$Apache::londefdef::table[-1]{'length'}; + if ($Apache::londefdef::TD_redirection) { + &end_td_tex($parstack,$parser,$safeeval); + } } return $currentstring; } -#-- <td> tag +#-- <td> tag (end tag optional) sub start_td { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { - my $what_to_push = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1); - if ($what_to_push eq '') { - $what_to_push = substr($Apache::londefdef::table[-1]{'rows'}[0],0,1);; - } - push @{ $Apache::londefdef::table[-1]{'columns'} }, $what_to_push; - $Apache::londefdef::table[-1]{'counter_columns'}++; - &Apache::lonxml::startredirection(); + $Apache::londefdef::TD_redirection = 1; + &tag_check('tr','td',$tagstack,$parstack,$parser,$safeeval); } return $currentstring; } - + +sub tag_check { + my ($good_tag,$bad_tag,$tagstack,$parstack,$parser,$safeeval) = @_; + my @ar=@$parstack; + for (my $i=$#ar-1;$i>=0;$i--) { + if (lc($$tagstack[$i]) eq $good_tag) { + &start_td_tex($parstack,$parser,$safeeval); + last; + } elsif (lc($$tagstack[$i]) eq $bad_tag) { + splice @ar, $i+1; + &end_td_tex(\@ar,$parser,$safeeval); + &start_td_tex($parstack,$parser,$safeeval); + last; + } + } + return ''; +} + +sub start_td_tex { + my ($parstack,$parser,$safeeval) = @_; + my $alignchar = substr(&Apache::lonxml::get_param('align',$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'}] },$1; + } + &Apache::lonxml::startredirection(); + return ''; +} + +sub end_td_tex { + my ($parstack,$parser,$safeeval) = @_; + my $current_row = $Apache::londefdef::table[-1]{'row_number'}; + my $data=&Apache::lonxml::endredirection(); + my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0); + if (defined $TeXwidth) { + push @ {$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'}[$in]/; + } + push @ {$Apache::londefdef::table[-1]{'content'}[-1] },$data; + return''; +} + sub end_td { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { - my $current_row = $Apache::londefdef::table[-1]{'row_number'}; - my $data=&Apache::lonxml::endredirection(); - my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0); - if (defined $TeXwidth) { - my $current_length=&recalc($TeXwidth); - $current_length=~/(\d+)/; - $Apache::londefdef::table[-1]{'TeXlength'} .= $1.','; - $Apache::londefdef::table[-1]{'length'} .= '0,'; - } else { - if ($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) { - my $current_length=&recalc($1); - $current_length=~/(\d+\.?\d*)/; - $Apache::londefdef::table[-1]{'TeXlength'} .= $1.','; - $Apache::londefdef::table[-1]{'length'} .= '0,'; - } else { - $data=~s/^\s+(\S.*)/$1/; - $data=~s/(.*\S)\s+$/$1/; - my $current_length=2*length($data); - $Apache::londefdef::table[-1]{'length'} .= $current_length.','; - $Apache::londefdef::table[-1]{'TeXlength'} .= '0,'; - } - } - for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) { - $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/; - } - @{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\parbox{TOBECHANGEDONNUMBER}{'.$data.'} '.$Apache::londefdef::table[-1]{'vinc'}; + $Apache::londefdef::TD_redirection =0; + &end_td_tex($parstack,$parser,$safeeval); } return $currentstring; } -#-- <th> tag +#-- <th> tag (end tag optional) sub start_th { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; @@ -1959,20 +2299,21 @@ sub end_th { } return $currentstring; } -#-- <img> tag +#-- <img> tag (end tag forbidden) sub start_img { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval, undef,1); + if (not $src and ($target eq 'web' or $target eq 'tex')) { + my $inside = &Apache::lonxml::get_all_text("/img",$parser); + return ''; + } $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src; my $currentstring = ''; - my $width_param = ''; - my $height_param = ''; my $scaling = .3; - if ($target eq 'web') { if ($ENV{'browser.imagesuppress'} ne 'on') { - $currentstring = $token->[4]; + $currentstring.= $token->[4]; } else { my $alttag= &Apache::lonxml::get_param ('alt',$parstack,$safeeval,undef,1); @@ -1980,43 +2321,21 @@ sub start_img { $alttag=&Apache::lonmeta::alttag ($Apache::lonxml::pwd[-1],$src); } - $currentstring='[IMAGE: '.$alttag.']'; + $currentstring.='[IMAGE: '.$alttag.']'; } } elsif ($target eq 'tex') { $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src); - &image_replication($src); - + #if uploaded restore the path + if ($src=~/^\/uploaded\/([^\/]+)\/([^\/]+)\/simplepage\/([^\/]+)$/) { + $src=&Apache::loncommon::propath($1,$2).'/userfiles/simplepage/'.$3; + } elsif ($src=~/^\/uploaded\/([^\/]+)\/([^\/]+)\/aboutme\/([^\/]+)$/) { + $src=&Apache::loncommon::propath($1,$2).'/userfiles/aboutme/'.$3; + } #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.'/'; - } + if (-e $src) { + #what is the image size? + my $width_param=&image_size($src,$scaling,$parstack,$safeeval); + my ($file,$path)=&file_path($src); my $newsrc = $src; $newsrc =~ s/\.(gif|jpg|png)$/.eps/i; $file=~s/\.(gif|jpg|png)$/.eps/i; @@ -2036,12 +2355,8 @@ sub start_img { $currentstring .= '\vskip 1 mm \noindent\graphicspath{{'.$path.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} '; } } else { - #there aren't eps or ps - so create eps - my $temp_file; - my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat"; - $temp_file = Apache::File->new('>>'.$filename); - print $temp_file "$src\n"; - $currentstring .= '\vskip 1 mm \graphicspath{{/home/httpd/prtspool/}}\includegraphics[width='.$width_param.' mm]{'.$file.'} '; + #care about eps dynamical generation + $currentstring.='\vskip 1 mm '.&eps_generation($src,$file,$width_param); } } } else { @@ -2058,6 +2373,65 @@ sub start_img { #<allow> tag will care about replication } } + } elsif ($target eq 'edit') { + $currentstring .=&Apache::edit::tag_start($target,$token); + $currentstring .=&Apache::edit::text_arg('Image Url:','src',$token,70). + &Apache::edit::browse('src',undef,'alt').' '. + &Apache::edit::search('src',undef,'alt').'<br />'; + $currentstring .=&Apache::edit::text_arg('Description:','alt',$token,70).'<br />'; + $currentstring .=&Apache::edit::text_arg('width (pixel):','width',$token,5); + $currentstring .=&Apache::edit::text_arg('height (pixel):','height',$token,5).'<br />'; + $currentstring .=&Apache::edit::text_arg('TeXwidth (mm):','TeXwidth',$token,5); + $currentstring .=&Apache::edit::text_arg('TeXheight (mm):','TeXheight',$token,5); + $currentstring .=&Apache::edit::end_row().&Apache::edit::start_spanning_row(); + my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval); + my $alt=&Apache::lonxml::get_param('alt',$parstack,$safeeval); + my $width=&Apache::lonxml::get_param('width',$parstack,$safeeval); + my $height=&Apache::lonxml::get_param('height',$parstack,$safeeval); + $currentstring .= '<img src="'.$src.'" alt="'.$alt.'" '; + if ($width) { $currentstring.=' width="'.$width.'" '; } + if ($height) { $currentstring.=' height="'.$height.'" '; } + $currentstring .= ' />'; + } elsif ($target eq 'modified') { + my ($osrc,$owidth,$oheight)= + ($token->[2]{'src'},$token->[2]{'width'},$token->[2]{'height'}); + my $ctag=&Apache::edit::get_new_args($token,$parstack, + $safeeval,'src','alt', + 'TeXwidth','TeXheight', + 'width','height'); + my ($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;$ctag=1; + } + } + } + my ($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; } @@ -2073,7 +2447,7 @@ sub end_img { return $currentstring; } -#-- <applet> tag +#-- <applet> tag (end tag required) sub start_applet { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; @@ -2098,7 +2472,16 @@ sub start_applet { $currentstring='[APPLET: '.$alttag.']'; } } elsif ($target eq 'tex') { - $currentstring = " \\begin{figure} "; + my $alttag= &Apache::lonxml::get_param('alt',$parstack, + $safeeval,undef,1); + unless ($alttag) { + my $code=&Apache::lonxml::get_param('code',$parstack,$safeeval, + undef,1); + $alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1], + $code); + } + $currentstring.='\begin{center} \fbox{Java Applet: '.$alttag. + '.}\end{center}'; } return $currentstring; } @@ -2109,12 +2492,11 @@ sub end_applet { if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { - $currentstring = " \\end{figure}"; } return $currentstring; } -#-- <embed> tag +#-- <embed> tag (end tag optional/required) sub start_embed { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1); @@ -2132,7 +2514,6 @@ sub start_embed { $currentstring='[EMBED: '.$alttag.']'; } } elsif ($target eq 'tex') { - $currentstring = " \\begin{figure} "; } return $currentstring; } @@ -2142,13 +2523,12 @@ sub end_embed { my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; - } elsif ($target eq 'tex') { - $currentstring = " \\end{figure}"; + } elsif ($target eq 'tex') { } return $currentstring; } -#-- <param> tag +#-- <param> tag (end tag forbidden) sub start_param { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; if (&Apache::lonxml::get_param @@ -2162,7 +2542,6 @@ sub start_param { if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { - $currentstring = " \\begin{figure} "; } return $currentstring; } @@ -2173,7 +2552,6 @@ sub end_param { if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { - $currentstring = " \\end{figure}"; } return $currentstring; } @@ -2205,12 +2583,14 @@ sub end_allow { return ''; } -#-- Frames +#-- Frames (end tag required) +#-- <frameset> sub start_frameset { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { - if (!$Apache::lonxml::registered) { + if (!$Apache::lonxml::registered && + $ENV{'request.state'} eq 'published') { $currentstring.='<head>'. &Apache::lonmenu::registerurl(undef,$target).'</head>'; } @@ -2250,7 +2630,30 @@ sub end_frameset { return $currentstring; } -#-- <pre> +#-- <xmp> (end tag required) +sub start_xmp { + my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; + my $currentstring = ''; + if ($target eq 'web') { + $currentstring .= $token->[4]; + } elsif ($target eq 'tex') { + $currentstring .= '\begin{verbatim}'; + } + return $currentstring; +} + +sub end_xmp { + my ($target,$token) = @_; + my $currentstring = ''; + if ($target eq 'web') { + $currentstring .= $token->[2]; + } elsif ($target eq 'tex') { + $currentstring .= '\end{verbatim}'; + } + return $currentstring; +} + +#-- <pre> (end tag required) sub start_pre { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; @@ -2333,7 +2736,7 @@ sub end_blankspace { return $currentstring; } -#-- <abbr> tag +#-- <abbr> tag (end tag required) sub start_abbr { my ($target,$token) = @_; my $currentstring = ''; @@ -2352,7 +2755,7 @@ sub end_abbr { return $currentstring; } -#-- <acronym> tag +#-- <acronym> tag (end tag required) sub start_acronym { my ($target,$token) = @_; my $currentstring = ''; @@ -2371,7 +2774,7 @@ sub end_acronym { return $currentstring; } -#-- <area> tag +#-- <area> tag (end tag forbidden) sub start_area { my ($target,$token) = @_; my $currentstring = ''; @@ -2390,13 +2793,13 @@ sub end_area { return $currentstring; } -#-- <base> tag +#-- <base> tag (end tag forbidden) sub start_base { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; - } + } return $currentstring; } @@ -2409,7 +2812,7 @@ sub end_base { return $currentstring; } -#-- <bdo> tag +#-- <bdo> tag (end tag required) sub start_bdo { my ($target,$token) = @_; my $currentstring = ''; @@ -2428,7 +2831,7 @@ sub end_bdo { return $currentstring; } -#-- <bgsound> tag +#-- <bgsound> tag (end tag optional) sub start_bgsound { my ($target,$token) = @_; my $currentstring = ''; @@ -2447,7 +2850,7 @@ sub end_bgsound { return $currentstring; } -#-- <blink> tag +#-- <blink> tag (end tag required) sub start_blink { my ($target,$token) = @_; my $currentstring = ''; @@ -2466,7 +2869,7 @@ sub end_blink { return $currentstring; } -#-- <blockquote> tag +#-- <blockquote> tag (end tag required) sub start_blockquote { my ($target,$token) = @_; my $currentstring = ''; @@ -2485,7 +2888,7 @@ sub end_blockquote { return $currentstring; } -#-- <button> tag +#-- <button> tag (end tag required) sub start_button { my ($target,$token) = @_; my $currentstring = ''; @@ -2504,7 +2907,7 @@ sub end_button { return $currentstring; } -#-- <caption> tag +#-- <caption> tag (end tag required) sub start_caption { my ($target,$token) = @_; my $currentstring = ''; @@ -2523,7 +2926,7 @@ sub end_caption { return $currentstring; } -#-- <col> tag +#-- <col> tag (end tag forbdden) sub start_col { my ($target,$token) = @_; my $currentstring = ''; @@ -2542,7 +2945,7 @@ sub end_col { return $currentstring; } -#-- <colgroup> tag +#-- <colgroup> tag (end tag optional) sub start_colgroup { my ($target,$token) = @_; my $currentstring = ''; @@ -2561,7 +2964,7 @@ sub end_colgroup { return $currentstring; } -#-- <del> tag +#-- <del> tag (end tag required) sub start_del { my ($target,$token) = @_; my $currentstring = ''; @@ -2580,7 +2983,7 @@ sub end_del { return $currentstring; } -#-- <fieldset> tag +#-- <fieldset> tag (end tag required) sub start_fieldset { my ($target,$token) = @_; my $currentstring = ''; @@ -2599,7 +3002,7 @@ sub end_fieldset { return $currentstring; } -#-- <frame> tag +#-- <frame> tag (end tag forbidden) sub start_frame { my ($target,$token) = @_; my $currentstring = ''; @@ -2618,7 +3021,7 @@ sub end_frame { return $currentstring; } -#-- <iframe> tag +#-- <iframe> tag (end tag required) sub start_iframe { my ($target,$token) = @_; my $currentstring = ''; @@ -2637,7 +3040,7 @@ sub end_iframe { return $currentstring; } -#-- <ins> tag +#-- <ins> tag (end tag required) sub start_ins { my ($target,$token) = @_; my $currentstring = ''; @@ -2656,7 +3059,7 @@ sub end_ins { return $currentstring; } -#-- <isindex> tag +#-- <isindex> tag (end tag forbidden) sub start_isindex { my ($target,$token) = @_; my $currentstring = ''; @@ -2675,7 +3078,7 @@ sub end_isindex { return $currentstring; } -#-- <keygen> tag +#-- <keygen> tag (end tag forbidden) sub start_keygen { my ($target,$token) = @_; my $currentstring = ''; @@ -2713,7 +3116,7 @@ sub end_label { return $currentstring; } -#-- <layer> tag +#-- <layer> tag (end tag required) sub start_layer { my ($target,$token) = @_; my $currentstring = ''; @@ -2732,7 +3135,7 @@ sub end_layer { return $currentstring; } -#-- <legend> tag +#-- <legend> tag (end tag required) sub start_legend { my ($target,$token) = @_; my $currentstring = ''; @@ -2751,7 +3154,7 @@ sub end_legend { return $currentstring; } -#-- <link> tag +#-- <link> tag (end tag forbidden) sub start_link { my ($target,$token) = @_; my $currentstring = ''; @@ -2770,7 +3173,7 @@ sub end_link { return $currentstring; } -#-- <marquee> tag +#-- <marquee> tag (end tag optional) sub start_marquee { my ($target,$token) = @_; my $currentstring = ''; @@ -2789,8 +3192,8 @@ sub end_marquee { return $currentstring; } -#-- <malticol> tag -sub start_malticol { +#-- <multicol> tag (end tag required) +sub start_multicol { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { @@ -2799,7 +3202,7 @@ sub start_malticol { return $currentstring; } -sub end_malticol { +sub end_multicol { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { @@ -2808,13 +3211,15 @@ sub end_malticol { return $currentstring; } -#-- <nobr> tag +#-- <nobr> tag (end tag required) sub start_nobr { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; - } + } elsif ($target eq 'tex') { + $currentstring='\mbox{'; + } return $currentstring; } @@ -2823,11 +3228,13 @@ sub end_nobr { my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; - } + } elsif ($target eq 'tex') { + $currentstring='}'; + } return $currentstring; } -#-- <noembed> tag +#-- <noembed> tag (end tag required) sub start_noembed { my ($target,$token) = @_; my $currentstring = ''; @@ -2846,7 +3253,7 @@ sub end_noembed { return $currentstring; } -#-- <noframes> tag +#-- <noframes> tag (end tag required) sub start_noframes { my ($target,$token) = @_; my $currentstring = ''; @@ -2865,7 +3272,7 @@ sub end_noframes { return $currentstring; } -#-- <nolayer> tag +#-- <nolayer> tag (end tag required) sub start_nolayer { my ($target,$token) = @_; my $currentstring = ''; @@ -2884,7 +3291,7 @@ sub end_nolayer { return $currentstring; } -#-- <noscript> tag +#-- <noscript> tag (end tag required) sub start_noscript { my ($target,$token) = @_; my $currentstring = ''; @@ -2903,7 +3310,7 @@ sub end_noscript { return $currentstring; } -#-- <object> tag +#-- <object> tag (end tag required) sub start_object { my ($target,$token) = @_; my $currentstring = ''; @@ -2922,7 +3329,7 @@ sub end_object { return $currentstring; } -#-- <optgroup> tag +#-- <optgroup> tag (end tag required) sub start_optgroup { my ($target,$token) = @_; my $currentstring = ''; @@ -2941,13 +3348,15 @@ sub end_optgroup { return $currentstring; } -#-- <samp> tag +#-- <samp> tag (end tag required) sub start_samp { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; - } + } elsif ($target eq 'tex') { + $currentstring='\texttt{'; + } return $currentstring; } @@ -2956,7 +3365,9 @@ sub end_samp { my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; - } + } elsif ($target eq 'tex') { + $currentstring='}'; + } return $currentstring; } @@ -2979,7 +3390,7 @@ sub end_server { return $currentstring; } -#-- <spacer> tag +#-- <spacer> tag (end tag forbidden) sub start_spacer { my ($target,$token) = @_; my $currentstring = ''; @@ -2998,7 +3409,7 @@ sub end_spacer { return $currentstring; } -#-- <span> tag +#-- <span> tag (end tag required) sub start_span { my ($target,$token) = @_; my $currentstring = ''; @@ -3017,7 +3428,7 @@ sub end_span { return $currentstring; } -#-- <tbody> tag +#-- <tbody> tag (end tag optional) sub start_tbody { my ($target,$token) = @_; my $currentstring = ''; @@ -3036,7 +3447,7 @@ sub end_tbody { return $currentstring; } -#-- <tfoot> tag +#-- <tfoot> tag (end tag optional) sub start_tfoot { my ($target,$token) = @_; my $currentstring = ''; @@ -3055,7 +3466,7 @@ sub end_tfoot { return $currentstring; } -#-- <thead> tag +#-- <thead> tag (end tag optional) sub start_thead { my ($target,$token) = @_; my $currentstring = ''; @@ -3080,7 +3491,9 @@ sub start_var { my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; - } + } elsif ($target eq 'tex') { + $currentstring = '\textit{'; + } return $currentstring; } @@ -3088,12 +3501,14 @@ sub end_var { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { - $currentstring = $token->[2]; + $currentstring = $token->[2]; + } elsif ($target eq 'tex') { + $currentstring = '}'; } return $currentstring; } -#-- <wbr> tag +#-- <wbr> tag (end tag forbidden) sub start_wbr { my ($target,$token) = @_; my $currentstring = ''; @@ -3112,7 +3527,6 @@ sub end_wbr { return $currentstring; } - #-- <hideweboutput> tag sub start_hideweboutput { my ($target,$token) = @_; @@ -3134,22 +3548,75 @@ sub end_hideweboutput { sub image_replication { my $src = shift; - if (not -e $src) { - #replicates image itself - &Apache::lonnet::repcopy($src); - #replicates eps or ps - my $newsrc = $src; - $newsrc =~ s/\.(gif|jpg|jpeg|png)$/.eps/i; - if (not -e $newsrc) { - if (&Apache::lonnet::repcopy($newsrc) ne 'OK') { - $newsrc =~ s/\.eps$/\.ps/; - &Apache::lonnet::repcopy($newsrc); - } - } + if (not -e $src) { &Apache::lonnet::repcopy($src); } + #replicates eps or ps + my $epssrc = my $pssrc = $src; + $epssrc =~ s/\.(gif|jpg|jpeg|png)$/.eps/i; + $pssrc =~ s/\.(gif|jpg|jpeg|png)$/.ps/i; + if (not -e $epssrc && not -e $pssrc) { + my $result=&Apache::lonnet::repcopy($epssrc); + if ($result ne OK) { &Apache::lonnet::repcopy($pssrc); } } return ''; } +sub image_size { + my ($src,$scaling,$parstack,$safeeval)=@_; + #size of image from gif/jpg/jpeg/png + my $image = Image::Magick->new; + my $current_figure = $image->Read($src); + my $width_param = $image->Get('width') * $scaling;; + my $height_param = $image->Get('height') * $scaling;; + undef $image; + #do we have any specified LaTeX size of the picture? + my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval); + my $TeXheight = &Apache::lonxml::get_param('TeXheight',$parstack,$safeeval); + #do we have any specified web size of the picture? + 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'}} + return $width_param; +} + +sub eps_generation { + my ($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)\//\/$1\//; + } + return ' \graphicspath{{/home/httpd/prtspool'.$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; +} + sub recalc { my $argument = shift; if (not $argument=~/(mm|cm|in|pc|pt)/) {return $argument.' mm';} @@ -3168,5 +3635,33 @@ sub recalc { return $value.' mm'; } +sub LATEX_length { + my $garbage=shift; + $garbage=~s/^\s+$//; + $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)/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; +} + + + + 1; __END__