version 1.112.2.1, 2012/05/10 19:19:30
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version 1.112.2.4, 2014/06/18 06:48:47
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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 = ( |
'\rightleftharpoons' => 0x21cc, |
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# Brackets - unicode is commented out with pure 8-bit ascii ugliness while we need it. |
# Brackets - unicode for browsers/OS which support 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 |
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'' => 0x5b, |
'' => 0x5b, |
'' => 0x5b, # '[' |
'' => 0x5b, # '[' |
'' => 0x5b, |
'' => 0x5b, |
Line 72 my %unicode_translations = (
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Line 92 my %unicode_translations = (
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'' => 0x5d, |
'' => 0x5d, |
'' => 0x5d, |
'' => 0x5d, |
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# Parens..again the unicode is commented out with the 8-bit ascii ugliness |
# Parens - pure 8-bit ascii ugliness for browsers/OS which can't handle unicode |
# 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 171 sub convert_real {
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Line 181 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 is a table of |
# in browsers. %unicode_translations and %unicode_harpoons are tables of |
# string->substitution which we now apply: |
# string->substitution which we now apply. (%ascii_8bit_translations used |
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# 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}; |
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if ($use_ascii) { |
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$unicode = $ascii_8bit_translations{$pattern}; |
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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 241 sub displaystyle {
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Line 268 sub displaystyle {
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return 0; |
return 0; |
} |
} |
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sub MathJax_converted { |
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my $texstring=shift; |
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my $tag='math/tex;'; |
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if (&displaystyle($texstring)) { $tag='math/tex; mode=display'; } |
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&clean_out_math_mode($texstring); |
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return &MathJax_header(). |
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'<script type="'.$tag.'">'.$$texstring.'</script>'; |
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} |
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{ |
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#Relies heavily on the previous jsMath installation |
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my @MathJax_sent_header; |
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sub MathJax_reset { |
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undef(@MathJax_sent_header); |
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} |
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sub MathJax_push { |
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push(@MathJax_sent_header,0); |
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} |
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sub MathJax_header { |
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if (!@MathJax_sent_header) { |
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&Apache::lonnet::logthis("mismatched calls of MathJax_header and MathJax_process"); |
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return ''; |
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} |
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return '' if $MathJax_sent_header[-1]; |
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$MathJax_sent_header[-1]=1; |
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return |
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'<script type="text/javascript" src="/adm/MathJax/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script>'."\n"; |
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} |
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} |
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sub jsMath_converted { |
sub jsMath_converted { |
my $texstring=shift; |
my $texstring=shift; |
my $tag='span'; |
my $tag='span'; |
Line 308 sub init_math_support {
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Line 366 sub init_math_support {
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($inherit_jsmath && &jsMath_state(-2))) { |
($inherit_jsmath && &jsMath_state(-2))) { |
return &Apache::lontexconvert::jsMath_header(); |
return &Apache::lontexconvert::jsMath_header(); |
} |
} |
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&Apache::lontexconvert::MathJax_push(); |
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if (lc(&tex_engine()) eq 'mathjax') { # || |
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#($inherit_jsmath && &jsMath_state(-2))) { |
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return &Apache::lontexconvert::MathJax_header(); |
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} |
return; |
return; |
} |
} |
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Line 368 sub converted {
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Line 431 sub converted {
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return &tth_converted($string); |
return &tth_converted($string); |
} elsif ($mode =~ /jsmath/i) { |
} elsif ($mode =~ /jsmath/i) { |
return &jsMath_converted($string); |
return &jsMath_converted($string); |
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} elsif ($mode =~ /mathjax/i) { |
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return &MathJax_converted($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 447 sub msgtexconverted {
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Line 512 sub msgtexconverted {
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foreach my $fragment (split(/(?:\<\;|\<)\/*algebra\s*(?:\>\;|\>)/i, |
foreach my $fragment (split(/(?:\<\;|\<)\/*algebra\s*(?:\>\;|\>)/i, |
$message)) { |
$message)) { |
if ($tex) { |
if ($tex) { |
my $algebra = &algebra($fragment, 'web', undef, undef, undef, undef, 'tth'); |
my $algebra = &algebra($fragment, 'web', undef, undef, undef, 'tth'); |
if ($email) { |
if ($email) { |
$outmessage.='</pre><tt>'.$algebra.'</tt><pre>'; |
$outmessage.='</pre><tt>'.$algebra.'</tt><pre>'; |
$tex=0; |
$tex=0; |
Line 532 sub postprocess_algebra {
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Line 597 sub postprocess_algebra {
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$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 576 Header
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Line 643 Header
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=item jsMath_converted() |
=item jsMath_converted() |
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=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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