--- loncom/xml/londefdef.pm 2003/08/20 15:27:52 1.163 +++ loncom/xml/londefdef.pm 2004/01/30 17:31:06 1.197 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Tags Default Definition Module # -# $Id: londefdef.pm,v 1.163 2003/08/20 15:27:52 sakharuk Exp $ +# $Id: londefdef.pm,v 1.197 2004/01/30 17:31:06 sakharuk Exp $ # # # Copyright Michigan State University Board of Trustees @@ -50,8 +50,8 @@ use Apache::File(); use Image::Magick; use Apache::lonmenu(); use Apache::lonmeta(); +use Apache::Constants qw(:common); -$Apache::londefdef::TD_redirection=0; BEGIN { @@ -59,6 +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; + $Apache::londefdef::DT_redirection=0; +} + #======================= TAG SUBROUTINES ===================== #-- <output> sub start_output { @@ -73,11 +82,11 @@ sub end_output { } #-- <m> tag sub start_m { - my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; my $currentstring = ''; - if ($target eq 'web') { + my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser); + if ($target eq 'web' || $target eq 'analyze') { $Apache::lonxml::prevent_entity_encode++; - my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser); $inside ='\\documentstyle{article}'.$inside; &Apache::lonxml::debug("M is starting with:$inside:"); my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval); @@ -92,11 +101,15 @@ 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; } @@ -134,26 +147,13 @@ 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') { @@ -182,7 +182,7 @@ sub end_html { return $currentstring; } -#-- <head> tag +#-- <head> tag (end tag optional) sub start_head { my ($target,$token) = @_; my $currentstring = ''; @@ -195,14 +195,14 @@ 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 = ''; @@ -221,13 +221,15 @@ 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; } @@ -240,13 +242,20 @@ 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; } @@ -255,11 +264,13 @@ 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 = ''; @@ -278,7 +289,7 @@ sub end_input { return $currentstring; } -#-- <textarea> tag +#-- <textarea> tag (end tag required) sub start_textarea { my ($target,$token) = @_; my $currentstring = ''; @@ -297,7 +308,7 @@ sub end_textarea { return $currentstring; } -#-- <form> tag +#-- <form> tag (end tag required) sub start_form { my ($target,$token) = @_; my $currentstring = ''; @@ -316,18 +327,18 @@ 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; } @@ -341,13 +352,13 @@ 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 = ''; @@ -398,7 +409,7 @@ 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=''; @@ -407,8 +418,11 @@ 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; } @@ -458,12 +472,17 @@ 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>'; } @@ -534,12 +553,12 @@ 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 = ''; @@ -562,7 +581,7 @@ sub end_center { return $currentstring; } -#-- <b> tag +#-- <b> tag (end tag required) sub start_b { my ($target,$token) = @_; my $currentstring = ''; @@ -585,7 +604,7 @@ sub end_b { return $currentstring; } -#-- <strong> tag +#-- <strong> tag (end tag required) sub start_strong { my ($target,$token) = @_; my $currentstring = ''; @@ -600,8 +619,7 @@ 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 = '}'; @@ -609,7 +627,7 @@ sub end_strong { return $currentstring; } -#-- <h1> tag +#-- <h1> tag (end tag required) sub start_h1 { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; @@ -630,7 +648,7 @@ sub start_h1 { $currentstring .= $pre.'{\\'.$TeXsize.' \textbf{'; } elsif ($target eq 'meta') { $currentstring='<subject>'; - &start_output(); + &start_output($target); } return $currentstring; } @@ -652,7 +670,7 @@ sub end_h1 { } $currentstring .= '}}'.$post; } elsif ($target eq 'meta') { - &end_output(); + &end_output($target); $currentstring='</subject>'; } return $currentstring; @@ -873,14 +891,14 @@ 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; } @@ -891,12 +909,12 @@ 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 = ''; @@ -919,14 +937,14 @@ 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; } @@ -937,19 +955,19 @@ 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; } @@ -960,12 +978,12 @@ 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 = ''; @@ -988,14 +1006,14 @@ 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; } @@ -1006,12 +1024,12 @@ 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 = ''; @@ -1034,7 +1052,7 @@ sub end_code { return $currentstring; } -#-- <em> tag +#-- <em> tag (end tag required) sub start_em { my ($target,$token) = @_; my $currentstring = ''; @@ -1057,14 +1075,14 @@ 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; } @@ -1075,12 +1093,12 @@ 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) sub start_p { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; @@ -1103,7 +1121,7 @@ sub end_p { return $currentstring; } -#-- <br> tag +#-- <br> tag (end tag forbidden) sub start_br { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $currentstring = ''; @@ -1126,7 +1144,7 @@ sub end_br { return $currentstring; } -#-- <big> tag +#-- <big> tag (end tag required) sub start_big { my ($target,$token) = @_; my $currentstring = ''; @@ -1149,7 +1167,7 @@ sub end_big { return $currentstring; } -#-- <small> tag +#-- <small> tag (end tag required) sub start_small { my ($target,$token) = @_; my $currentstring = ''; @@ -1172,7 +1190,7 @@ sub end_small { return $currentstring; } -#-- <basefont> tag +#-- <basefont> tag (end tag forbidden) sub start_basefont { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $currentstring = ''; @@ -1201,7 +1219,7 @@ sub end_basefont { return $currentstring; } -#-- <font> tag +#-- <font> tag (end tag required) sub start_font { my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $currentstring = ''; @@ -1239,7 +1257,7 @@ sub end_font { return $currentstring; } -#-- <strike> tag +#-- <strike> tag (end tag required) sub start_strike { my ($target,$token) = @_; my $currentstring = ''; @@ -1265,7 +1283,7 @@ sub end_strike { return $currentstring; } -#-- <s> tag +#-- <s> tag (end tag required) sub start_s { my ($target,$token) = @_; my $currentstring = ''; @@ -1291,14 +1309,14 @@ sub end_s { return $currentstring; } -#-- <sub> tag +#-- <sub> tag (end tag required) sub start_sub { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { - $currentstring .= "\$_{ "; + $currentstring .= "\$_{"; } return $currentstring; } @@ -1309,19 +1327,19 @@ sub end_sub { if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { - $currentstring .= " }\$"; + $currentstring .= "}\$"; } return $currentstring; } -#-- <sup> tag +#-- <sup> tag (end tag required) sub start_sup { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { - $currentstring .= "\$^{ "; + $currentstring .= "\$^{"; } return $currentstring; } @@ -1332,12 +1350,12 @@ 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 = ''; @@ -1377,7 +1395,7 @@ sub end_hr { return $currentstring; } -#-- <div> tag +#-- <div> tag (end tag required) sub start_div { my ($target,$token) = @_; my $currentstring = ''; @@ -1396,7 +1414,7 @@ sub end_div { return $currentstring; } -#-- <a> tag +#-- <a> tag (end tag required) sub start_a { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; @@ -1418,7 +1436,7 @@ sub start_a { } 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]; @@ -1426,9 +1444,9 @@ 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]; @@ -1456,7 +1474,7 @@ sub end_li { return $currentstring; } -#-- <u> tag +#-- <u> tag (end tag required) sub start_u { my ($target,$token) = @_; my $currentstring = ''; @@ -1482,7 +1500,7 @@ sub end_u { return $currentstring; } -#-- <ul> tag +#-- <ul> tag (end tag required) sub start_ul { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; @@ -1525,7 +1543,7 @@ sub end_ul { return $currentstring; } -#-- <menu> tag +#-- <menu> tag (end tag required) sub start_menu { my ($target,$token) = @_; my $currentstring = ''; @@ -1548,7 +1566,7 @@ sub end_menu { return $currentstring; } -#-- <dir> tag +#-- <dir> tag (end tag required) sub start_dir { my ($target,$token) = @_; my $currentstring = ''; @@ -1571,7 +1589,7 @@ sub end_dir { return $currentstring; } -#-- <ol> tag +#-- <ol> tag (end tag required) sub start_ol { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; @@ -1624,78 +1642,115 @@ sub end_ol { return $currentstring; } -#-- <dl> tag +#-- <dl> tag (end tag required) sub start_dl { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { - $currentstring = '\begin{description}'; + $currentstring = '\begin{description}'; + @Apache::londefdef::description=(); + $Apache::londefdef::DD_redirection=0; + $Apache::londefdef::DT_redirection=0; } return $currentstring; } sub end_dl { - my ($target,$token) = @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { - $currentstring = '\end{description}'; + if ($Apache::londefdef::DT_redirection) { + my $data=&item_cleanup; + push @Apache::londefdef::description,'\item['.$data.']'; + $Apache::londefdef::DT_redirection=0; + } elsif ($Apache::londefdef::DD_redirection) { + $Apache::londefdef::description[-1].=&Apache::lonxml::endredirection(); + } + foreach my $element (@Apache::londefdef::description) { + $currentstring.=' '.$element.' '; + } + @Apache::londefdef::description=(); + $currentstring.='\end{description}'; } return $currentstring; } -#-- <dt> tag +#-- <dt> tag (end tag optional) sub start_dt { - my ($target,$token) = @_; - my $currentstring = ''; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; + my $currentstring=''; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { - $currentstring = '\item['; + if ($Apache::londefdef::DT_redirection) { + my $data=&item_cleanup; + push @Apache::londefdef::description,'\item['.$data.']'; + $Apache::londefdef::DT_redirection=0; + } elsif ($Apache::londefdef::DD_redirection) { + $Apache::londefdef::description[-1].=&Apache::lonxml::endredirection(); + $Apache::londefdef::DD_redirection=0; + } + &Apache::lonxml::startredirection(); + $Apache::londefdef::DT_redirection=1; } return $currentstring; } sub end_dt { - my ($target,$token) = @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { - $currentstring = ']'; + my $data=&item_cleanup; + push @Apache::londefdef::description,'\item['.$data.']'; + $Apache::londefdef::DT_redirection=0; } return $currentstring; } -#-- <dd> tag +sub item_cleanup { + my $item=&Apache::lonxml::endredirection(); + $item=~s/\\begin{center}//g; + $item=~s/\\end{center}//g; + return $item; +} + +#-- <dd> tag (end tag optional) sub start_dd { my ($target,$token,$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 $currentstring; } -#-- <table> tag +#-- <table> tag (end tag required) sub start_table { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $textwidth=''; @@ -1792,7 +1847,7 @@ sub end_table { $needed=$#length_row_final-$needed+1; for (my $jn=0;$jn<=$#length_row_final;$jn++) { if ($length_row_final[$jn]==0) { - if ($length_raw_row[$jn]<$available_length/3) { + if ($length_raw_row[$jn]<$available_length) { $length_row_final[$jn]=$length_raw_row[$jn]; $available_length=$available_length-$length_raw_row[$jn]; $needed--; @@ -1828,7 +1883,7 @@ sub end_table { return $currentstring; } -#-- <tr> tag +#-- <tr> tag (end tag optional) sub start_tr { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; @@ -1865,7 +1920,7 @@ sub end_tr { return $currentstring; } -#-- <td> tag +#-- <td> tag (end tag optional) sub start_td { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; @@ -1924,9 +1979,21 @@ sub end_td_tex { $Apache::londefdef::table[-1]{'TeXlength'} .= $1.','; $Apache::londefdef::table[-1]{'length'} .= '0,'; } else { - $data=~s/^\s+(\S.*)/$1/; + $data=~s/^\s+(\S.*)/$1/; $data=~s/(.*\S)\s+$/$1/; - my $current_length=2*length($data); + $data=~s/(\s)+/$1/; + my $current_length=0; + if ($data=~/\\vskip/) { + my $newdata=$data; + $newdata=~s/\\vskip \d*\.?\d*\s*mm/THISISJUSTTEMPORARYSEPARATOR/g; + my @newdata=split(/THISISJUSTTEMPORARYSEPARATOR/,$newdata); + foreach my $elementdata (@newdata) { + my $lengthnewdata=1.8*LATEX_length($elementdata); + if ($lengthnewdata>$current_length) {$current_length=$lengthnewdata;} + } + } else { + $current_length=1.8*LATEX_length($data); + } $Apache::londefdef::table[-1]{'length'} .= $current_length.','; $Apache::londefdef::table[-1]{'TeXlength'} .= '0,'; } @@ -1950,7 +2017,7 @@ sub end_td { return $currentstring; } -#-- <th> tag +#-- <th> tag (end tag optional) sub start_th { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; @@ -2006,15 +2073,18 @@ sub end_th { } return $currentstring; } -#-- <img> tag +#-- <img> tag (end tag forbidden) sub start_img { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval, undef,1); + if (not $src and ($target eq 'web' or $target eq 'tex')) { + my $inside = &Apache::lonxml::get_all_text("/img",$parser); + &Apache::lonnet::logthis("inside was $inside"); + return ''; + } $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src; my $currentstring = ''; - my $width_param = ''; - my $height_param = ''; my $scaling = .3; if ($target eq 'web') { if ($ENV{'browser.imagesuppress'} ne 'on') { @@ -2030,38 +2100,11 @@ sub start_img { } } elsif ($target eq 'tex') { $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src); - &image_replication($src); #if original gif/jpg/png file exist do following: - if (-e $src) { - #defines the default size of image - my $image = Image::Magick->new; - my $current_figure = $image->Read($src); - $width_param = $image->Get('width') * $scaling;; - $height_param = $image->Get('height') * $scaling;; - undef $image; - #do we have any specified size of the picture? - my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval); - my $TeXheight = &Apache::lonxml::get_param('TeXheight',$parstack,$safeeval); - my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval, - undef,1); - if ($TeXwidth ne '') { - if ($TeXwidth=~/(\d+)\s*\%/) { - $width_param = $1*$ENV{'form.textwidth'}/100; - } else { - $width_param = $TeXwidth; - } - } elsif ($TeXheight ne '') { - $width_param = $TeXheight/$height_param*$width_param; - } elsif ($width ne '') { - $width_param = $width*$scaling; - } - 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; @@ -2081,12 +2124,8 @@ 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 { @@ -2103,6 +2142,45 @@ sub start_img { #<allow> tag will care about replication } } + } elsif ($target eq 'edit') { + $currentstring .=&Apache::edit::tag_start($target,$token); + $currentstring .=&Apache::edit::text_arg('Image Url:','src',$token,70). + &Apache::edit::browse('src',undef,'alt').' '. + &Apache::edit::search('src',undef,'alt').'<br />'; + $currentstring .=&Apache::edit::text_arg('Description:','alt',$token,70).'<br />'; + $currentstring .=&Apache::edit::text_arg('width (pixel):','width',$token,5); + $currentstring .=&Apache::edit::text_arg('height (pixel):','height',$token,5).'<br />'; + $currentstring .=&Apache::edit::text_arg('TeXwidth (mm):','TeXwidth',$token,5); + $currentstring .=&Apache::edit::text_arg('TeXheight (mm):','TeXheight',$token,5); + $currentstring .=&Apache::edit::end_row().&Apache::edit::start_spanning_row(); + my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval); + my $alt=&Apache::lonxml::get_param('alt',$parstack,$safeeval); + my $width=&Apache::lonxml::get_param('width',$parstack,$safeeval); + my $height=&Apache::lonxml::get_param('height',$parstack,$safeeval); + $currentstring .= '<img src="'.$src.'" alt="'.$alt.'" '; + if ($width) { $currentstring.=' width="'.$width.'" '; } + if ($height) { $currentstring.=' height="'.$height.'" '; } + $currentstring .= ' />'; + } elsif ($target eq 'modified') { + my $constructtag=&Apache::edit::get_new_args($token,$parstack, + $safeeval,'src','alt', + 'TeXwidth','TeXheight', + 'width','height'); + $src=$token->[2]{'src'}; + if (!$token->[2]{'width'} && !$token->[2]{'height'}) { + $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src); + &image_replication($src); + if (-e $src) { + my $image = Image::Magick->new; + my ($width, $height, $size, $format) = $image->Ping($src); + if ($width && $height) { + $token->[2]{'width'} =$width; + $token->[2]{'height'}=$height; + $constructtag=1; + } + } + } + if ($constructtag) {$currentstring=&Apache::edit::rebuild_tag($token);} } return $currentstring; } @@ -2118,7 +2196,7 @@ sub end_img { return $currentstring; } -#-- <applet> tag +#-- <applet> tag (end tag required) sub start_applet { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; @@ -2143,7 +2221,16 @@ 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 $currentstring; } @@ -2154,12 +2241,11 @@ sub end_applet { if ($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); @@ -2177,7 +2263,6 @@ sub start_embed { $currentstring='[EMBED: '.$alttag.']'; } } elsif ($target eq 'tex') { - $currentstring = " \\begin{figure} "; } return $currentstring; } @@ -2187,13 +2272,12 @@ 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,$safeeval) = @_; if (&Apache::lonxml::get_param @@ -2207,7 +2291,6 @@ sub start_param { if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { - $currentstring = " \\begin{figure} "; } return $currentstring; } @@ -2218,7 +2301,6 @@ sub end_param { if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { - $currentstring = " \\end{figure}"; } return $currentstring; } @@ -2250,12 +2332,14 @@ sub end_allow { return ''; } -#-- Frames +#-- Frames (end tag required) +#-- <frameset> sub start_frameset { my ($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>'; } @@ -2295,7 +2379,7 @@ sub end_frameset { return $currentstring; } -#-- <xmp> +#-- <xmp> (end tag required) sub start_xmp { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; @@ -2318,7 +2402,7 @@ sub end_xmp { return $currentstring; } -#-- <pre> +#-- <pre> (end tag required) sub start_pre { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; @@ -2401,7 +2485,7 @@ sub end_blankspace { return $currentstring; } -#-- <abbr> tag +#-- <abbr> tag (end tag required) sub start_abbr { my ($target,$token) = @_; my $currentstring = ''; @@ -2420,7 +2504,7 @@ sub end_abbr { return $currentstring; } -#-- <acronym> tag +#-- <acronym> tag (end tag required) sub start_acronym { my ($target,$token) = @_; my $currentstring = ''; @@ -2439,7 +2523,7 @@ sub end_acronym { return $currentstring; } -#-- <area> tag +#-- <area> tag (end tag forbidden) sub start_area { my ($target,$token) = @_; my $currentstring = ''; @@ -2458,7 +2542,7 @@ sub end_area { return $currentstring; } -#-- <base> tag +#-- <base> tag (end tag forbidden) sub start_base { my ($target,$token) = @_; my $currentstring = ''; @@ -2477,7 +2561,7 @@ sub end_base { return $currentstring; } -#-- <bdo> tag +#-- <bdo> tag (end tag required) sub start_bdo { my ($target,$token) = @_; my $currentstring = ''; @@ -2496,7 +2580,7 @@ sub end_bdo { return $currentstring; } -#-- <bgsound> tag +#-- <bgsound> tag (end tag optional) sub start_bgsound { my ($target,$token) = @_; my $currentstring = ''; @@ -2515,7 +2599,7 @@ sub end_bgsound { return $currentstring; } -#-- <blink> tag +#-- <blink> tag (end tag required) sub start_blink { my ($target,$token) = @_; my $currentstring = ''; @@ -2534,7 +2618,7 @@ sub end_blink { return $currentstring; } -#-- <blockquote> tag +#-- <blockquote> tag (end tag required) sub start_blockquote { my ($target,$token) = @_; my $currentstring = ''; @@ -2553,7 +2637,7 @@ sub end_blockquote { return $currentstring; } -#-- <button> tag +#-- <button> tag (end tag required) sub start_button { my ($target,$token) = @_; my $currentstring = ''; @@ -2572,7 +2656,7 @@ sub end_button { return $currentstring; } -#-- <caption> tag +#-- <caption> tag (end tag required) sub start_caption { my ($target,$token) = @_; my $currentstring = ''; @@ -2591,7 +2675,7 @@ sub end_caption { return $currentstring; } -#-- <col> tag +#-- <col> tag (end tag forbdden) sub start_col { my ($target,$token) = @_; my $currentstring = ''; @@ -2610,7 +2694,7 @@ sub end_col { return $currentstring; } -#-- <colgroup> tag +#-- <colgroup> tag (end tag optional) sub start_colgroup { my ($target,$token) = @_; my $currentstring = ''; @@ -2629,7 +2713,7 @@ sub end_colgroup { return $currentstring; } -#-- <del> tag +#-- <del> tag (end tag required) sub start_del { my ($target,$token) = @_; my $currentstring = ''; @@ -2648,7 +2732,7 @@ sub end_del { return $currentstring; } -#-- <fieldset> tag +#-- <fieldset> tag (end tag required) sub start_fieldset { my ($target,$token) = @_; my $currentstring = ''; @@ -2667,7 +2751,7 @@ sub end_fieldset { return $currentstring; } -#-- <frame> tag +#-- <frame> tag (end tag forbidden) sub start_frame { my ($target,$token) = @_; my $currentstring = ''; @@ -2686,7 +2770,7 @@ sub end_frame { return $currentstring; } -#-- <iframe> tag +#-- <iframe> tag (end tag required) sub start_iframe { my ($target,$token) = @_; my $currentstring = ''; @@ -2705,7 +2789,7 @@ sub end_iframe { return $currentstring; } -#-- <ins> tag +#-- <ins> tag (end tag required) sub start_ins { my ($target,$token) = @_; my $currentstring = ''; @@ -2724,7 +2808,7 @@ sub end_ins { return $currentstring; } -#-- <isindex> tag +#-- <isindex> tag (end tag forbidden) sub start_isindex { my ($target,$token) = @_; my $currentstring = ''; @@ -2743,7 +2827,7 @@ sub end_isindex { return $currentstring; } -#-- <keygen> tag +#-- <keygen> tag (end tag forbidden) sub start_keygen { my ($target,$token) = @_; my $currentstring = ''; @@ -2781,7 +2865,7 @@ sub end_label { return $currentstring; } -#-- <layer> tag +#-- <layer> tag (end tag required) sub start_layer { my ($target,$token) = @_; my $currentstring = ''; @@ -2800,7 +2884,7 @@ sub end_layer { return $currentstring; } -#-- <legend> tag +#-- <legend> tag (end tag required) sub start_legend { my ($target,$token) = @_; my $currentstring = ''; @@ -2819,7 +2903,7 @@ sub end_legend { return $currentstring; } -#-- <link> tag +#-- <link> tag (end tag forbidden) sub start_link { my ($target,$token) = @_; my $currentstring = ''; @@ -2838,7 +2922,7 @@ sub end_link { return $currentstring; } -#-- <marquee> tag +#-- <marquee> tag (end tag optional) sub start_marquee { my ($target,$token) = @_; my $currentstring = ''; @@ -2857,8 +2941,8 @@ 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') { @@ -2867,7 +2951,7 @@ sub start_malticol { return $currentstring; } -sub end_malticol { +sub end_multicol { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { @@ -2876,13 +2960,15 @@ 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; } @@ -2891,11 +2977,13 @@ 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 = ''; @@ -2914,7 +3002,7 @@ sub end_noembed { return $currentstring; } -#-- <noframes> tag +#-- <noframes> tag (end tag required) sub start_noframes { my ($target,$token) = @_; my $currentstring = ''; @@ -2933,7 +3021,7 @@ sub end_noframes { return $currentstring; } -#-- <nolayer> tag +#-- <nolayer> tag (end tag required) sub start_nolayer { my ($target,$token) = @_; my $currentstring = ''; @@ -2952,7 +3040,7 @@ sub end_nolayer { return $currentstring; } -#-- <noscript> tag +#-- <noscript> tag (end tag required) sub start_noscript { my ($target,$token) = @_; my $currentstring = ''; @@ -2971,7 +3059,7 @@ sub end_noscript { return $currentstring; } -#-- <object> tag +#-- <object> tag (end tag required) sub start_object { my ($target,$token) = @_; my $currentstring = ''; @@ -2990,7 +3078,7 @@ sub end_object { return $currentstring; } -#-- <optgroup> tag +#-- <optgroup> tag (end tag required) sub start_optgroup { my ($target,$token) = @_; my $currentstring = ''; @@ -3009,13 +3097,15 @@ 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; } @@ -3024,7 +3114,9 @@ sub end_samp { my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; - } + } elsif ($target eq 'tex') { + $currentstring='}'; + } return $currentstring; } @@ -3047,7 +3139,7 @@ sub end_server { return $currentstring; } -#-- <spacer> tag +#-- <spacer> tag (end tag forbidden) sub start_spacer { my ($target,$token) = @_; my $currentstring = ''; @@ -3066,7 +3158,7 @@ sub end_spacer { return $currentstring; } -#-- <span> tag +#-- <span> tag (end tag required) sub start_span { my ($target,$token) = @_; my $currentstring = ''; @@ -3085,7 +3177,7 @@ sub end_span { return $currentstring; } -#-- <tbody> tag +#-- <tbody> tag (end tag optional) sub start_tbody { my ($target,$token) = @_; my $currentstring = ''; @@ -3104,7 +3196,7 @@ sub end_tbody { return $currentstring; } -#-- <tfoot> tag +#-- <tfoot> tag (end tag optional) sub start_tfoot { my ($target,$token) = @_; my $currentstring = ''; @@ -3123,7 +3215,7 @@ sub end_tfoot { return $currentstring; } -#-- <thead> tag +#-- <thead> tag (end tag optional) sub start_thead { my ($target,$token) = @_; my $currentstring = ''; @@ -3205,22 +3297,71 @@ 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/\/\.\//\//; + $newsrc=~s/\/([^\/]+)\.(ps|eps)/\//; + return ' \graphicspath{{/home/httpd/prtspool'.$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';} @@ -3239,5 +3380,26 @@ sub recalc { return $value.' mm'; } +sub LATEX_length { + my $garbage=shift; + $garbage=~s/^\s+(\S.*)/$1/; + $garbage=~s/(.*\S)\s+$/$1/; + $garbage=~s/(\s)+/$1/; + $garbage=~s/(\\begin{([^\}]+)}|\\end{([^\}]+)})//g; + $garbage=~s/(\$\_\{|\$\_|\$\^{|\$\^|\}\$|\$)//g; + $garbage=~s/(\\alpha|\\beta|\\gamma|\\delta|\\epsilon|\\verepsilon|\\zeta|\\eta|\\theta|\\vartheta|\\iota|\\kappa|\\lambda|\\mu|\\nu|\\xi|\\pi|\\varpi|\\rho|\\varrho|\\sigma|\\varsigma|\\tau|\\upsilon|\\phi|\\varphi|\\chi|\\psi|\\omega|\\Gamma|\\Delta|\\Theta|\\Lambda|\\Xi|\\Pi|\\Sigma|\\Upsilon|\\Phi|\\Psi|\\Omega)/1/g; + $garbage=~s/(\\pm|\\mp|\\times|\\div|\\cdot|\\ast|\\star|\\dagger|\\ddagger|\\amalg|\\cap|\\cup|\\uplus|\\sqcap|\\sqcup|\\vee|\\wedge|\\oplus|\\ominus|\\otimes|\\circ|\\bullet|\\diamond|\\lhd|\\rhd|\\unlhd|\\unrhd|\\oslash|\\odot|\\bigcirc|\\Box|\\Diamond|\\bigtriangleup|\\bigtriangledown|\\triangleleft|\\triangleright|\\setminus|\\wr)/1/g; + $garbage=~s/(\\le|\\ll|\\leq|\\ge|\\geq|\\gg|\\neq|\\doreq|\\sim|\\simeq|\\subset|\\subseteq|\\sqsubset|\\sqsubseteq|\\in|\\vdash|\\models|\\supset|\\supseteq|\\sqsupset|\\sqsupseteq|\\ni|\\dash|\\perp|\\approx|\\cong|\\equiv|\\propto|\\prec|\\preceq|\\parallel|\\asymp|\\smile|\\frown|\\bowtie|\\succ|\\succeq|\\mid)/1/g; + $garbage=~s/(\\not<|\\\\not\\le|\\not\\prec|\\not\\preceq|\\not\\subset|\\not\\subseteq|\\not\\sqsubseteq|\\not\\in|\\not>|\\not\\ge|\\not\\succ|\\notsucceq|\\not\\supset|\\notsupseteq|\\not\\sqsupseteq|\\notin|\\not=|\\not\\equiv|\\not\\sim|\\not\\simeq|\\not\\approx|\\not\\cong|\\not\\asymp)/1/g; + $garbage=~s/(\\leftarrow|\\gets|\\Leftarrow|\\rightarrow|\\to|\\Rightarrow|\\leftrightarrow|\\Leftrightarrow|\\mapsto|\\hookleftarrow|\\leftharpoonup|\\leftkarpoondown|\\rightleftharpoons|\\longleftarrow|\\Longleftarrow|\\longrightarrow|\\Longrightarrow|\\longleftrightarrow|\\Longleftrightarrow|\\longmapsto|\\hookrightarrow|\\rightharpoonup|\\rightharpoondown|\\uparrow|\\Uparrow|\\downarrow|\\Downarrow|\\updownarrow|\\Updownarrow|\\nearrow|\\searrow|\\swarrow|\\nwarrow)/1/g; + $garbage=~s/(\\aleph|\\hbar|\\imath|\\jmath|\\ell|\\wp|\\Re|\\Im|\\mho|\\prime|\\emptyset|\\nabla|\\surd|\\partial|\\top|\\bot|\\vdash|\\dashv|\\forall|\\exists|\\neg|\\flat|\\natural|\\sharp|\\\||\\angle|\\backslash|\\Box|\\Diamond|\\triangle|\\clubsuit|\\diamondsuit|\\heartsuit|\\spadesuit|\\Join|\\infty)/ /g; + $garbage=~s/(\\hat{([^}]+)}|\\check{([^}]+)}|\\dot{([^}]+)}|\\breve{([^}]+)}|\\acute{([^}]+)}|\\ddot{([^}]+)}|\\grave{([^}]+)}|\\tilde{([^}]+)}|\\mathring{([^}]+)}|\\bar{([^}]+)}|\\vec{([^}]+)})/$1/g; + my $value=length($garbage); + return $value; +} + + + + 1; __END__