version 1.112.2.9, 2019/02/15 21:21:03
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version 1.113, 2013/09/15 23:06:46
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Line 54 use IO::Socket::INET;
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Line 54 use IO::Socket::INET;
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# |
# |
# Table of substitutions to unicode characters. |
# Table of substitutions to unicode characters. |
# |
# |
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my %unicode_harpoons = ( |
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'\rightleftharpoons' => 0x21cc, |
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); |
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my %unicode_translations = ( |
my %unicode_translations = ( |
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'\rightleftharpoons' => 0x21cc, |
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# Brackets - unicode for browsers/OS which support it. |
# Brackets - unicode is commented out with pure 8-bit ascii ugliness while we need it. |
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'' => 0x23a1, |
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'' => 0x23a2, |
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'' => 0x23a3, |
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'' => 0x23a4, |
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'' => 0x23a5, |
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'' => 0x23a6, |
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# Parens - unicode for browsers/OS which support it |
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'' => 0x239b, |
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'' => 0x239c, |
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'' => 0x239d, |
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'' => 0x239e, |
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'' => 0x239f, |
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'' => 0x23a0, |
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); |
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my %ascii_8bit_translations = ( |
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# Brackets - pure 8-bit ascii ugliness for browsers/OS which can't handle unicode |
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# '' => 0x23a1, |
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# '' => 0x23a2, |
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# '' => 0x23a3, # when unicode catches up with browsers |
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# '' => 0x23a4, # use these instead of the cheesey brackets below |
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# '' => 0x23a5, |
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# '' => 0x23a6 |
'' => 0x5b, |
'' => 0x5b, |
'' => 0x5b, # '[' |
'' => 0x5b, # '[' |
'' => 0x5b, |
'' => 0x5b, |
Line 92 my %ascii_8bit_translations = (
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Line 72 my %ascii_8bit_translations = (
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'' => 0x5d, |
'' => 0x5d, |
'' => 0x5d, |
'' => 0x5d, |
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# Parens - pure 8-bit ascii ugliness for browsers/OS which can't handle unicode |
# Parens..again the unicode is commented out with the 8-bit ascii ugliness |
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# turned on until browsers catch up with the unicode world. |
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# '' => 0x239b, |
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# '' => 0x239c, |
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# '' => 0x239d, |
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# '' => 0x239e, |
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# '' => 0x239f, |
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# '' => 0x23a0 |
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'' => 0x28, |
'' => 0x28, |
'' => 0x28, # '(' |
'' => 0x28, # '(' |
'' => 0x28, |
'' => 0x28, |
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'' => 0x29, |
'' => 0x29, |
'' => 0x29, # '(' |
'' => 0x29, # '(' |
'' => 0x29, |
'' => 0x29 |
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); |
); |
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Line 181 sub convert_real {
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Line 171 sub convert_real {
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&Apache::lonxml::end_alarm(); |
&Apache::lonxml::end_alarm(); |
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# |
# |
# Several strings produced by tth require |
# Several strings produced by tth require |
# transliteration -> unicode equivalents to render reliably |
# transliteration -> unicode equivalents to render reliably |
# in browsers. %unicode_translations and %unicode_harpoons are tables of |
# in browsers. %unicode_translations is a table of |
# string->substitution which we now apply. (%ascii_8bit_translations used |
# string->substitution which we now apply: |
# instead for Windows XP and mobile devices. |
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my $use_ascii; |
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if ($env{'browser.os'} eq 'win') { |
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if (($env{'browser.osversion'}) && ($env{'browser.osversion'} < 6.0)) { |
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$use_ascii = 1; |
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} |
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} |
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if ($env{'browser.mobile'}) { |
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$use_ascii = 1; |
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} |
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foreach my $pattern (keys(%unicode_translations)) { |
foreach my $pattern (keys(%unicode_translations)) { |
my $unicode = $unicode_translations{$pattern}; |
my $unicode = $unicode_translations{$pattern}; |
if ($use_ascii) { |
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$unicode = $ascii_8bit_translations{$pattern}; |
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} |
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$xmlstring = &unicode_subst($xmlstring, $pattern, $unicode); |
$xmlstring = &unicode_subst($xmlstring, $pattern, $unicode); |
} |
} |
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foreach my $pattern (keys(%unicode_harpoons)) { |
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$xmlstring = &unicode_subst($xmlstring, $pattern, $unicode_harpoons{$pattern}); |
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} |
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return ($xmlstring,$errorstring); |
return ($xmlstring,$errorstring); |
} |
} |
Line 270 sub displaystyle {
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Line 243 sub displaystyle {
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sub MathJax_converted { |
sub MathJax_converted { |
my $texstring=shift; |
my $texstring=shift; |
my ($tag,$startspan,$endspan); |
my $tag='math/tex;'; |
$tag='math/tex;'; |
if (&displaystyle($texstring)) { $tag='math/tex; mode=display'; } |
if (&displaystyle($texstring)) { |
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$tag='math/tex; mode=display'; |
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$startspan=''; |
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$endspan=''; |
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} else { |
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$startspan='<span style="display:inline-block;">'; |
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$endspan='</span>'; |
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} |
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&clean_out_math_mode($texstring); |
&clean_out_math_mode($texstring); |
return &MathJax_header().$startspan. |
return &MathJax_header(). |
'<script type="'.$tag.'">'.$$texstring.'</script>'.$endspan; |
'<script type="'.$tag.'">'.$$texstring.'</script>'; |
} |
} |
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{ |
{ |
Line 304 sub MathJax_converted {
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Line 269 sub MathJax_converted {
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return |
return |
'<script type="text/javascript" src="/adm/MathJax/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script>'."\n"; |
'<script type="text/javascript" src="/adm/MathJax/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script>'."\n"; |
} |
} |
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#sub MathJax_process { |
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# my $state = pop(@MathJax_sent_header); |
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# return '' if !$state; |
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# return "\n". |
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# '<script type="text/javascript">MathJax.Process()</script>'."\n"; |
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#} |
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#sub MathJax_state { |
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# my ($level) = @_; |
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# return $MathJax_sent_header[$level]; |
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#} |
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} |
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sub jsMath_converted { |
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my $texstring=shift; |
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my $tag='span'; |
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if (&displaystyle($texstring)) { $tag='div'; } |
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&clean_out_math_mode($texstring); |
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return &jsMath_header(). |
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'<'.$tag.' class="math">'.$$texstring.'</'.$tag.'>'; |
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} |
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{ |
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my @jsMath_sent_header; |
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sub jsMath_reset { |
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undef(@jsMath_sent_header); |
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} |
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sub jsMath_push { |
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push(@jsMath_sent_header,0); |
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} |
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sub jsMath_header { |
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if (!@jsMath_sent_header) { |
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&Apache::lonnet::logthis("mismatched calls of jsMath_header and jsMath_process"); |
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return ''; |
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} |
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return '' if $jsMath_sent_header[-1]; |
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$jsMath_sent_header[-1]=1; |
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return |
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'<script type="text/javascript"> |
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function NoFontMessage () {} |
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jsMath = {Parser: {prototype: {environments: {\'eqnarray*\' :[\'Array\',null,null,\'rcl\',[5/18,5/18],3,\'D\']}}}}; |
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</script>'."\n". |
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'<script type="text/javascript" src="/adm/jsMath/jsMath.js"></script>'."\n"; |
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} |
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sub jsMath_process { |
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my $state = pop(@jsMath_sent_header); |
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return '' if !$state; |
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return "\n". |
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'<script type="text/javascript">jsMath.Process()</script>'."\n"; |
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} |
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sub jsMath_state { |
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my ($level) = @_; |
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return $jsMath_sent_header[$level]; |
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} |
} |
} |
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sub tex_engine { |
sub tex_engine { |
if (exists($env{'form.texengine'})) { |
if (exists($env{'form.texengine'})) { |
if ($env{'form.texengine'} ne '') { |
if ($env{'form.texengine'} ne '') { |
if (lc($env{'form.texengine'}) eq 'jsmath') { |
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return 'MathJax'; |
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} |
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return $env{'form.texengine'}; |
return $env{'form.texengine'}; |
} |
} |
} |
} |
if ($env{'request.course.id'} |
if ($env{'request.course.id'} |
&& exists($env{'course.'.$env{'request.course.id'}.'.texengine'})) { |
&& exists($env{'course.'.$env{'request.course.id'}.'.texengine'})) { |
if (lc($env{'course.'.$env{'request.course.id'}.'.texengine'}) eq 'jsmath') { |
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return 'MathJax'; |
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} |
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return $env{'course.'.$env{'request.course.id'}.'.texengine'}; |
return $env{'course.'.$env{'request.course.id'}.'.texengine'}; |
} |
} |
if (exists($env{'environment.texengine'})) { |
if (exists($env{'environment.texengine'})) { |
if (lc($env{'environment.texengine'}) eq 'jsmath') { |
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return 'MathJax'; |
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} |
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return $env{'environment.texengine'}; |
return $env{'environment.texengine'}; |
} |
} |
my $dom = $env{'request.role.domain'} || $env{'user.domain'}; |
return 'tth'; |
my %domdefaults = &Apache::lonnet::get_domain_defaults($dom); |
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if ($domdefaults{'texengine'} ne '') { |
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return $domdefaults{'texengine'}; |
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} |
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return $Apache::lonnet::deftex; |
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} |
} |
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sub init_math_support { |
sub init_math_support { |
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my ($inherit_jsmath) = @_; |
&init_tth(); |
&init_tth(); |
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&Apache::lontexconvert::jsMath_push(); |
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if (lc(&tex_engine()) eq 'jsmath' || |
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($inherit_jsmath && &jsMath_state(-2))) { |
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return &Apache::lontexconvert::jsMath_header(); |
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} |
&Apache::lontexconvert::MathJax_push(); |
&Apache::lontexconvert::MathJax_push(); |
if (lc(&tex_engine()) eq 'mathjax') { |
if (lc(&tex_engine()) eq 'mathjax') { # || |
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#($inherit_jsmath && &jsMath_state(-2))) { |
return &Apache::lontexconvert::MathJax_header(); |
return &Apache::lontexconvert::MathJax_header(); |
} |
} |
return; |
return; |
Line 401 sub converted {
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Line 413 sub converted {
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if ($mode =~ /tth/i) { |
if ($mode =~ /tth/i) { |
return &tth_converted($string); |
return &tth_converted($string); |
} elsif ($mode =~ /jsmath/i) { |
} elsif ($mode =~ /jsmath/i) { |
return &MathJax_converted($string); |
return &jsMath_converted($string); |
} elsif ($mode =~ /mathjax/i) { |
} elsif ($mode =~ /mathjax/i) { |
return &MathJax_converted($string); |
return &MathJax_converted($string); |
} elsif ($mode =~ /mimetex/i) { |
} elsif ($mode =~ /mimetex/i) { |
return &mimetex_converted($string); |
return &mimetex_converted($string); |
} elsif ($mode =~ /raw/i) { |
} elsif ($mode =~ /raw/i) { |
Line 550 sub postprocess_algebra {
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Line 562 sub postprocess_algebra {
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# $string =~s/\\fun/ /g; |
# $string =~s/\\fun/ /g; |
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# sqrt(3,4) means the 4 root of 3 |
# sqrt(3,4) means the 4 root of 3 |
$string =~s/\\sqrt\{([^,]+),([^\}]+)}/\\sqrt[$2]{$1}/gs; |
$string =~s/\\sqrt{([^,]+),([^\}]+)}/\\sqrt[$2]{$1}/gs; |
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# log(3,4) means the log base 4 of 3 |
# log(3,4) means the log base 4 of 3 |
$string =~s/\\log\\left\((.+?),(.+?)\\right\)/\\log_{$2}\\left($1\\right)/gs; |
$string =~s/\\log\\left\((.+?),(.+?)\\right\)/\\log_{$2}\\left($1\\right)/gs; |
Line 568 sub postprocess_algebra {
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Line 580 sub postprocess_algebra {
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$string =~s/\\lim\\left\((.+?),(.+?),(.+?)\\right\)/\\lim_{$2\\to $3}$1/gs; |
$string =~s/\\lim\\left\((.+?),(.+?),(.+?)\\right\)/\\lim_{$2\\to $3}$1/gs; |
return $string; |
return $string; |
} |
} |
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1; |
1; |
__END__ |
__END__ |
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Line 612 Header
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Line 622 Header
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=item displaystyle() |
=item displaystyle() |
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=item jsMath_converted() |
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=item MathJax_converted() |
=item MathJax_converted() |
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- Mimics the jsMath functionality |
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=item tex_engine() |
=item tex_engine() |
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=item init_math_support() |
=item init_math_support() |
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=item mimetex_valign() |
=item mimetex_valign() |