--- loncom/xml/londefdef.pm 2016/07/01 19:59:25 1.459 +++ loncom/xml/londefdef.pm 2023/03/15 16:47:59 1.467 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Tags Default Definition Module # -# $Id: londefdef.pm,v 1.459 2016/07/01 19:59:25 raeburn Exp $ +# $Id: londefdef.pm,v 1.467 2023/03/15 16:47:59 raeburn Exp $ # # # Copyright Michigan State University Board of Trustees @@ -98,7 +98,19 @@ sub start_m { # On top of that, MathJax will render math without $, but # it will fail with tth. This is worth a warning. # (even though some people might just use latex for printing) - &Apache::lonxml::warning(&mt("Missing \$ in <m>.")); + &Apache::lonxml::warning(&mt('Missing $ in [_1].','<m>')); + } elsif (($env{'browser.type'} eq 'safari') && ($env{'form.editxmltext'}) && + (($env{'form.problemmode'} eq 'view') || ($env{'form.problemmode'} eq 'discard'))) { + my $delimiter; + if ($inside =~ /\$$/) { + $delimiter = '$'; + } elsif ($inside =~ /\\([)\]])$/) { + $delimiter = $1; + } + if ($delimiter) { + &Apache::lonxml::warning(&mt('Insert a space between [_1] and [_2].', + $delimiter,'</m>')); + } } my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval); if ($eval eq 'on') { @@ -355,7 +367,7 @@ sub start_title { $Apache::londefdef::title = &Apache::lonxml::get_all_text('/title',$parser,$style); } elsif ($target eq 'tex') { - $currentstring .= '\keephidden{Title of the document: ' + $currentstring .= '\keephidden{Title of the document: '; } if ($target eq 'meta') { $currentstring=''; @@ -826,7 +838,7 @@ sub end_h1 { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { my $post='\vskip 0 mm '; - my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1); + my $align=lc(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1)); if ($align eq 'center') { $post='\end{center}'; } elsif ($align eq 'left') { @@ -1305,6 +1317,10 @@ sub start_p { $currentstring .= &end_p(); # close off prior para if in progress. my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1); + if (!defined $align) { + # check inline CSS + $align = &get_css_property('text-align',$parstack,$safeeval); + } if ($align eq 'center') { $currentstring .='\begin{center}\par '; $closing_string = '\end{center}'; @@ -1312,13 +1328,13 @@ sub start_p { $currentstring = ¢er_correction().$currentstring; } } elsif ($align eq 'right') { - $currentstring.="\n".'{\flushright '; + $currentstring.="\n".'\begin{flushright}'; # $currentstring.='\makebox['.$env{'form.textwidth'}.']{\hfill\llap{'; - $closing_string= "}\n"; + $closing_string= '\end{flushright}'."\n"; } elsif ($align eq 'left') { - $currentstring.= "\n".'{\flushleft '; + $currentstring.= "\n".'\begin{flushleft}'; # $currentstring.='\noindent\makebox['.$env{'form.textwidth'}.']{{'; - $closing_string = "}\n"; + $closing_string = '\end{flushleft}'."\n"; } else { $currentstring.='\par '; if (&is_inside_of($tagstack, 'table')) { @@ -2077,8 +2093,8 @@ sub end_dt { sub item_cleanup { my $item=&Apache::lonxml::endredirection(); - $item=~s/\\begin{center}//g; - $item=~s/\\end{center}//g; + $item=~s/\\begin\{center}//g; + $item=~s/\\end\{center}//g; return $item; } @@ -4053,13 +4069,33 @@ sub end_spacer { return $currentstring; } +my @span_end_stack; # for span tex target + #-- <span> tag (end tag required) sub start_span { - my ($target,$token) = @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web' || $target eq 'webgrade') { $currentstring = $token->[4]; - } + } elsif ($target eq 'tex') { + my $endstring = ''; + my $family = &get_css_property('font-family',$parstack,$safeeval); + if ($family eq 'monospace') { + $currentstring .= '\texttt{'; + $endstring .= '}'; + } + my $weight = &get_css_property('font-weight',$parstack,$safeeval); + if ($weight eq 'bold') { + $currentstring .= '\textbf{'; + $endstring .= '}'; + } + my $style = &get_css_property('font-style',$parstack,$safeeval); + if ($style eq 'italic') { + $currentstring .= '\textit{'; + $endstring .= '}'; + } + push(@span_end_stack, $endstring); + } return $currentstring; } @@ -4068,7 +4104,10 @@ sub end_span { my $currentstring = ''; if ($target eq 'web' || $target eq 'webgrade') { $currentstring = $token->[2]; - } + } elsif ($target eq 'tex') { + my $endstring = pop @span_end_stack; + $currentstring .= $endstring; + } return $currentstring; } @@ -4456,17 +4495,17 @@ sub LATEX_length { $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/(\\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/(\\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; + $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*)|$2|g; @@ -4568,40 +4607,34 @@ sub latex_header { ($mode eq 'batchmode')) {$currentstring .='\batchmode';} $currentstring .= '\newcommand{\keephidden}[1]{}'. '\renewcommand{\deg}{$^{\circ}$}'. - '\usepackage{multirow}'. - '\usepackage{longtable}'. - '\usepackage{textcomp}'. - '\usepackage{makeidx}'. - '\usepackage[dvips]{graphicx}'. - '\usepackage{wrapfig}'. - '\usepackage{picins}'. + '\usepackage{multirow}'."\n". + '\usepackage{longtable}'."\n". + '\usepackage{textcomp}'."\n". + '\usepackage{makeidx}'."\n". + '\usepackage[dvips]{graphicx}'."\n". + '\usepackage{wrapfig}'."\n". + '\usepackage{picins}'."\n". '\usepackage[T1]{fontenc}'."\n". '\usepackage{lmodern}'."\n". '\usepackage[postscript]{ucs}'."\n". '\usepackage[utf8x]{inputenc}'."\n". - '\usepackage{pifont}' ."\n". + '\usepackage{pifont}'."\n". '\usepackage{latexsym}'."\n". - '\usepackage{epsfig}'. - "\\usepackage{xtab}\n". - "\\usepackage{tabularx}\n". - "\\usepackage{booktabs}\n". - "\\usepackage{array}\n". - "\\usepackage{colortbl}\n". - "\\usepackage{xcolor}\n". - '\usepackage{calc}'. - '\usepackage{amsmath}'. - '\usepackage{soul}'. - '\usepackage{amssymb}'. - '\usepackage{amsfonts}'. - '\usepackage{amsthm}'. - '\usepackage{amscd}' - .'\usepackage{picins}\usepackage{calc}'."\n". # From lonprintout.pm - '\usepackage[T1]{fontenc}'."\n". - '\usepackage{lmodern}'."\n". - '\usepackage[postscript]{ucs}'."\n". - '\usepackage[utf8x]{inputenc}'."\n". - '\usepackage{pifont}' . "\n"; - + '\usepackage{epsfig}'."\n". + '\usepackage{xtab}'."\n". + '\usepackage{tabularx}'."\n". + '\usepackage{booktabs}'."\n". + '\usepackage{array}'."\n". + '\usepackage{colortbl}'."\n". + '\usepackage{xcolor}'."\n". + '\usepackage{calc}'."\n". + '\usepackage{amsmath}'."\n". + '\usepackage{soul}'."\n". + '\usepackage{amssymb}'."\n". + '\usepackage{amsfonts}'."\n". + '\usepackage{amsthm}'."\n". + '\usepackage{amscd}'."\n". + '\usepackage{actuarialangle}'."\n"; if($env{'form.pdfFormFields'} eq 'yes') { $currentstring .= '\usepackage{hyperref}'. '\usepackage{eforms}'. @@ -4672,6 +4705,23 @@ sub clean_docs_httpref { return $cleanhref; } +# This is retrieving a CSS property from the style attribute of the current element. +# It is not checking <style> elements or linked stylesheets yet. +sub get_css_property { + my ($property,$parstack,$safeeval) = @_; + my $style=&Apache::lonxml::get_param('style',$parstack,$safeeval,undef,1); + my @style_components=split(/;/,$style); + foreach my $css_pair (@style_components) { + my ($name, $value) = split(/:/, $css_pair); + $name =~ s/^\s+|\s+$//g; + $value =~ s/^\s+|\s+$//g; + if ($name eq $property) { + return $value; + } + } + return undef; +} + =pod =head1 NAME