version 1.76, 2006/09/05 17:33:11
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version 1.86, 2008/01/29 11:18:06
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Line 108 sub convert_real {
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Line 108 sub convert_real {
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$xmlstring=~s/^\s*\<br clear\=\"all\"/\<br/s; |
$xmlstring=~s/^\s*\<br clear\=\"all\"/\<br/s; |
$xmlstring=~s/^\s*//; |
$xmlstring=~s/^\s*//; |
$xmlstring=~s/\s*$//; |
$xmlstring=~s/\s*$//; |
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# |
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# \rightleftharpoons is not converted by tth but maps |
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# reasonably well to ⇔. If we get many more of these, |
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# we're going to need to have a translation sub. |
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# |
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$xmlstring=~s/\\rightleftharpoons/\&\#8660;/g; |
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&Apache::lonxml::end_alarm(); |
&Apache::lonxml::end_alarm(); |
return ($xmlstring,$errorstring); |
return ($xmlstring,$errorstring); |
} |
} |
Line 151 ENDCONV
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Line 158 ENDCONV
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sub clean_out_math_mode { |
sub clean_out_math_mode { |
my ($texstring)=@_; |
my ($texstring)=@_; |
$$texstring=~s/(?!\\)\$//g; |
$$texstring=~s/(?<!\\)\$//g; |
$$texstring=~s/\\[\)\(\]\[]//g; |
$$texstring=~s/\\[\)\(\]\[]//g; |
$$texstring=~s/\\ensuremath//g; |
$$texstring=~s/\\ensuremath//g; |
return ''; |
return ''; |
Line 184 sub jsMath_converted {
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Line 191 sub jsMath_converted {
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push(@jsMath_sent_header,0); |
push(@jsMath_sent_header,0); |
} |
} |
sub jsMath_header { |
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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} |
return '' if $jsMath_sent_header[-1]; |
return '' if $jsMath_sent_header[-1]; |
$jsMath_sent_header[-1]=1; |
$jsMath_sent_header[-1]=1; |
return |
return |
'<script type="text/javascript"> |
'<script type="text/javascript"> |
function NoFontMessage () {} |
function NoFontMessage () {} |
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jsMath = {Parser: {prototype: {environments: {\'eqnarray*\' :[\'Array\',null,null,\'rcl\',[5/18,5/18],3,\'D\']}}}}; |
</script>'."\n". |
</script>'."\n". |
'<script type="text/javascript" src="/adm/jsMath/jsMath.js"></script>'."\n"; |
'<script type="text/javascript" src="/adm/jsMath/jsMath.js"></script>'."\n"; |
} |
} |
sub jsMath_process { |
sub jsMath_process { |
my $state = pop(@jsMath_sent_header); |
my $state = pop(@jsMath_sent_header); |
return '' if !$state; |
return '' if !$state; |
return '<script type="text/javascript">jsMath.Process()</script>'; |
return "\n". |
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'<script type="text/javascript">jsMath.Process()</script>'."\n"; |
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} |
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sub jsMath_state { |
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my ($level) = @_; |
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return $jsMath_sent_header[$level]; |
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} |
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} |
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sub tex_engine { |
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if (exists($env{'form.texengine'})) { |
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return $env{'form.texengine'}; |
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} |
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if ($env{'request.course.id'} |
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&& exists($env{'course.'.$env{'request.course.id'}.'.texengine'})) { |
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return $env{'course.'.$env{'request.course.id'}.'.texengine'}; |
} |
} |
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if (exists($env{'environment.texengine'})) { |
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return $env{'environment.texengine'}; |
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} |
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return 'tth'; |
} |
} |
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sub init_math_support { |
sub init_math_support { |
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my ($inherit_jsmath) = @_; |
&init_tth(); |
&init_tth(); |
&Apache::lontexconvert::jsMath_push(); |
&Apache::lontexconvert::jsMath_push(); |
if ($env{'environment.texengine'} eq 'jsMath' || |
if (lc(&tex_engine()) eq 'jsmath' || |
$env{'form.texengine'} eq 'jsMath' ) { |
($inherit_jsmath && &jsMath_state(-2))) { |
return &Apache::lontexconvert::jsMath_header(); |
return &Apache::lontexconvert::jsMath_header(); |
} |
} |
return; |
return; |
Line 227 sub mimetex_converted {
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Line 259 sub mimetex_converted {
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sub converted { |
sub converted { |
my ($string,$mode)=@_; |
my ($string,$mode)=@_; |
if ($mode eq '') { $mode=$env{'environment.texengine'}; } |
if ($mode eq '') { $mode = &tex_engine(); } |
if ($mode =~ /tth/i) { |
if ($mode =~ /tth/i) { |
return &tth_converted($string); |
return &tth_converted($string); |
} elsif ($mode =~ /jsmath/i) { |
} elsif ($mode =~ /jsmath/i) { |
Line 266 sub smiley {
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Line 298 sub smiley {
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'\:\-(X|\#)' => 'lipsrsealed', |
'\:\-(X|\#)' => 'lipsrsealed', |
'\:\-S' => 'huh'); |
'\:\-S' => 'huh'); |
my $iconpath=$Apache::lonnet::perlvar{'lonIconsURL'}; |
my $iconpath=$Apache::lonnet::perlvar{'lonIconsURL'}; |
foreach (keys %smileys) { |
foreach my $smiley (keys(%smileys)) { |
$expression=~s/$_/\<img src="$iconpath\/$smileys{$_}.gif" \/\>/gs; |
$expression=~s/$smiley/\<img src="$iconpath\/$smileys{$smiley}.gif" \/\>/gs; |
} |
} |
return $expression; |
return $expression; |
} |
} |
Line 278 sub msgtexconverted {
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Line 310 sub msgtexconverted {
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&init_tth(); |
&init_tth(); |
my $outmessage=''; |
my $outmessage=''; |
my $tex=0; |
my $tex=0; |
foreach (split(/(?:\<\;|\<)\/*m\s*(?:\>\;|\>)/i,$message)) { |
foreach my $fragment (split(/(?:\<\;|\<)\/*m\s*(?:\>\;|\>)/i,$message)) { |
if ($tex) { |
if ($tex) { |
if ($email) { |
if ($email) { |
$outmessage.='</pre><tt>'.&to_convert($_).'</tt><pre>'; $tex=0; |
$outmessage.='</pre><tt>'.&to_convert($fragment).'</tt><pre>'; |
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$tex=0; |
} else { |
} else { |
$outmessage.=&to_convert($_); $tex=0; |
$outmessage.=&to_convert($fragment); |
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$tex=0; |
} |
} |
} else { |
} else { |
$outmessage.=&smiley($_); $tex=1; |
$outmessage.=&smiley($fragment); |
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$tex=1; |
} |
} |
} |
} |
$message=$outmessage; $outmessage=''; $tex=0; |
$message=$outmessage; $outmessage=''; $tex=0; |
foreach (split(/(?:\<\;|\<)\/*algebra\s*(?:\>\;|\>)/i,$message)) { |
foreach my $fragment (split(/(?:\<\;|\<)\/*algebra\s*(?:\>\;|\>)/i, |
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$message)) { |
if ($tex) { |
if ($tex) { |
if ($email) { |
if ($email) { |
$outmessage.='</pre><tt>'.&algebra($_,'web').'</tt><pre>'; $tex=0; |
$outmessage.='</pre><tt>'.&algebra($fragment,'web').'</tt><pre>'; |
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$tex=0; |
} else { |
} else { |
$outmessage.=&algebra($_,'web'); $tex=0; |
$outmessage.=&algebra($fragment,'web'); |
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$tex=0; |
} |
} |
} else { |
} else { |
$outmessage.=$_; $tex=1; |
$outmessage.=$fragment; |
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$tex=1; |
} |
} |
} |
} |
if (wantarray) { |
if (wantarray) { |
Line 352 sub postprocess_algebra {
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Line 391 sub postprocess_algebra {
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# moodle had these and I don't know why, ignoring them for now |
# moodle had these and I don't know why, ignoring them for now |
# $string =~s/\\fun/ /g; |
# $string =~s/\\fun/ /g; |
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# remove the extra () in the denominator of a \frac |
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$string =~s/\\frac{(.+?)}{\\left\((.+?)\\right\)}/\\frac{$1}{$2}/gs; |
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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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