version 1.98.2.1, 2011/02/10 20:07:00
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version 1.107, 2011/05/27 18:34:07
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Line 165 sub clean_out_math_mode {
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Line 165 sub clean_out_math_mode {
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sub displaystyle { |
sub displaystyle { |
my ($texstring)=@_; |
my ($texstring)=@_; |
#has a $$ or \[ or \displaystyle in it, guessinng it's display mode |
#has a $$ or \[ or \displaystyle or eqnarray in it, guessinng it's display mode |
if ($$texstring=~/[^\\]\$\$/ || |
if ($$texstring=~/[^\\]\$\$/ || |
$$texstring=~/\\\[/ || |
$$texstring=~/\\\[/ || |
$$texstring=~/\\displaystyle/) { return 1; } |
$$texstring=~/\\displaystyle/ || |
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$$texstring=~/eqnarray/ |
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) { return 1; } |
return 0; |
return 0; |
} |
} |
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Line 250 sub mimetex_valign {
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Line 252 sub mimetex_valign {
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my $path = '/cgi-bin/mimetex.cgi?'.$esc_texstring; |
my $path = '/cgi-bin/mimetex.cgi?'.$esc_texstring; |
my $socket; |
my $socket; |
&Apache::lonxml::start_alarm(); |
&Apache::lonxml::start_alarm(); |
my $socket = IO::Socket::INET->new(PeerAddr => $hostname, |
$socket = IO::Socket::INET->new(PeerAddr => $hostname, |
PeerPort => 'http(80)', |
PeerPort => 'http(80)', |
Proto => 'tcp'); |
Proto => 'tcp'); |
if ($socket) { |
if ($socket) { |
my $headreq = "HEAD $path HTTP/1.0\r\n\r\n"; |
my $headreq = "HEAD $path HTTP/1.0\r\n\r\n"; |
print $socket $headreq; |
print $socket $headreq; |
Line 289 sub mimetex_converted {
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Line 291 sub mimetex_converted {
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my $valign = &mimetex_valign($esc_texstring); |
my $valign = &mimetex_valign($esc_texstring); |
my $result='<img src="/cgi-bin/mimetex.cgi?'.$esc_texstring.'" style="vertical-align:'.$valign.'px" alt="'.$alt_string.'" />'; |
my $result='<img src="/cgi-bin/mimetex.cgi?'.$esc_texstring.'" style="vertical-align:'.$valign.'px" alt="'.$alt_string.'" />'; |
if ($displaystyle) { |
if ($displaystyle) { |
$result='<center>'.$result.'</center>'; |
$result='<div style="text-align:center">'.$result.'</div>'; |
} |
} |
return $result; |
return $result; |
} |
} |
Line 313 sub converted {
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Line 315 sub converted {
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sub to_convert { |
sub to_convert { |
my ($string) = @_; |
my ($string) = @_; |
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&init_tth(); |
$string=~s/\<br\s*\/?\>/ /gs; |
$string=~s/\<br\s*\/?\>/ /gs; |
# $string=~s/\s/ /gs; |
# $string=~s/\s/ /gs; |
$string=&HTML::Entities::decode($string); |
$string=&HTML::Entities::decode($string); |
Line 321 sub to_convert {
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Line 324 sub to_convert {
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sub smiley { |
sub smiley { |
my $expression=shift; |
my $expression=shift; |
if ($env{'browser.imagesuppress'} eq 'on') { return $expression; } |
my %smileys=( |
my %smileys=('\:\-\)' => 'smiley', |
'\:\-*\)' => 'face-smile.png', |
'8\-\)' => 'coolsmile', |
'8\-\)' => 'face-cool.png', |
'8\-(I|\|)' => 'coolindiff', |
'8\-(I|\|)' => 'face-glasses.png', |
':\-(I|\|)' => 'neutral', |
'\:\-(I|\|)' => 'face-plain.png', |
'\:\-(o|O|\(\))' => 'shocked', |
'\:\-(o|O|\(\))' => 'face-surprise.png', |
':\-\(' => 'frowny', |
':\-\(' => 'face-sad.png', |
'\;\-\)' => 'wink', |
'\;\-\)' => 'face-wink.png', |
'\:\-P' => 'baeh', |
'\:\-(P|p)' => 'face-raspberry.png', |
'\:\-(\\\|\\/)' => 'hrrm', |
'\:\-(\\\|\\/)' => 'face-uncertain.png', |
'\:\-D' => 'bigsmile', |
'\:\-D' => 'face-smile-big.png', |
'\:\-C' => 'angry', |
'\:\-(C|\@)' => 'face-angry.png', |
'\:(\'|\`)\-\(' => 'cry', |
'\:(\'|\`)\-*\(' => 'face-crying.png', |
'\:\-(X|\#)' => 'lipsrsealed', |
'\:\-(X|x|\#)' => 'face-quiet.png', |
'\:\-S' => 'huh'); |
'\:\-(s|S)' => 'face-uncertain.png', |
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'\:\-\$' => 'face-embarrassed.png', |
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'\:\-\*' => 'face-kiss.png', |
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'\+O\(' => 'face-sick.png', |
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'(\<\;3|\(heart\))' => 'heart.png', |
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'\(rose\)' => 'rose.png', |
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'\(pizza\)' => 'food-pizza.png', |
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'\(cake\)' => 'food-cake.png', |
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'\(ninja\)' => 'face-ninja.png', |
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'\(pirate\)' => 'face-pirate.png', |
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'\((agree|yes)\)' => 'opinion-agree.png', |
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'\((disagree|nay)\)' => 'opinion-disagree.png', |
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'(o|O)\-\)' => 'face-angel.png', |
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); |
my $iconpath=$Apache::lonnet::perlvar{'lonIconsURL'}; |
my $iconpath=$Apache::lonnet::perlvar{'lonIconsURL'}; |
foreach my $smiley (keys(%smileys)) { |
foreach my $smiley (keys(%smileys)) { |
$expression=~s/$smiley/\<img src="$iconpath\/$smileys{$smiley}.gif" \/\>/gs; |
$expression=~s/$smiley/\<img src="$iconpath\/$smileys{$smiley}" \/\>/gs; |
} |
} |
return $expression; |
return $expression; |
} |
} |
Line 346 sub smiley {
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Line 362 sub smiley {
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sub msgtexconverted { |
sub msgtexconverted { |
my ($message,$email) = @_; |
my ($message,$email) = @_; |
$errorstring=''; |
$errorstring=''; |
&init_tth(); |
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my $outmessage=''; |
my $outmessage=''; |
my $tex=0; |
my $tex=0; |
foreach my $fragment (split(/(?:\<\;|\<)\/*m\s*(?:\>\;|\>)/i,$message)) { |
foreach my $fragment (split(/(?:\<\;|\<)\/*m\s*(?:\>\;|\>)/i,$message)) { |
Line 367 sub msgtexconverted {
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Line 382 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) { |
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my $algebra = &algebra($fragment, 'web', undef, undef, undef, undef, 'tth'); |
if ($email) { |
if ($email) { |
$outmessage.='</pre><tt>'.&algebra($fragment,'web').'</tt><pre>'; |
$outmessage.='</pre><tt>'.$algebra.'</tt><pre>'; |
$tex=0; |
$tex=0; |
} else { |
} else { |
$outmessage.=&algebra($fragment,'web'); |
$outmessage.=$algebra; |
$tex=0; |
$tex=0; |
} |
} |
} else { |
} else { |
$outmessage.=$fragment; |
$outmessage.=$fragment; |
$tex=1; |
$tex=1; |
} |
} |
} |
} |
Line 388 sub msgtexconverted {
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Line 404 sub msgtexconverted {
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sub algebra { |
sub algebra { |
use AlgParser; |
use AlgParser; |
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my ($string,$target,$style,$parstack,$safeeval,$tth)=@_; |
my ($string,$target,$style,$parstack,$safeeval)=@_; |
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my $parser = new AlgParserWithImplicitExpand; |
my $parser = new AlgParserWithImplicitExpand; |
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if ($tth eq 'tth') {&init_tth();} |
$string=&prepare_algebra($string); |
$string=&prepare_algebra($string); |
my $ret = $parser->parse($string); |
my $ret = $parser->parse($string); |
my $result='['.&mt('Algebra unconverted due to previous errors').']'; |
my $result='['.&mt('Algebra unconverted due to previous errors').']'; |
Line 503 Header
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Line 519 Header
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=item mimetex_valign() |
=item mimetex_valign() |
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Makes a HEAD call to /cgi-bin/mimetex.cgi via IO:: to retrieve the |
Makes a HEAD call to /cgi-bin/mimetex.cgi via IO:: to retrieve the |
vertical alignment, before the subsequent call to mimetex_converted() |
vertical alignment, before the subsequent call to mimetex_converted() |
which generates the <img> tag and the corresponding image. |
which generates the <img> tag and the corresponding image. |
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Input: 1. $esc_texstring (escaped TeX to be rendered by mimetex). |
Input: 1. $esc_texstring (escaped TeX to be rendered by mimetex). |
Output: 1. $valign - number of pixels: positive or negative integer |
Output: 1. $valign - number of pixels: positive or negative integer |
which will be included in <img> tag for mimetex image to |
which will be included in <img> tag for mimetex image to |
support vertical alignment of image within a line of text. |
support vertical alignment of image within a line of text. |
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If a server is running SSL, and Apache rewrite rules are in place |
If a server is running SSL, and Apache rewrite rules are in place |
to rewrite requests for http to https, modification will most likely |
to rewrite requests for http to https, modification will most likely |
be needed for pass through for HEAD requests for /cgi-bin/mimetex.cgi. |
be needed for pass through for HEAD requests for /cgi-bin/mimetex.cgi. |
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Example rewrite rules which rewrite all http traffic to https, |
Example rewrite rules which rewrite all http traffic to https, |
except HEAD requests for /cgi-bin/mimetex.cgi are: |
except HEAD requests for /cgi-bin/mimetex.cgi are: |
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<IfModule mod_rewrite.c> |
<IfModule mod_rewrite.c> |
Line 525 Header
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Line 541 Header
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RewriteCond %{HTTPS} off |
RewriteCond %{HTTPS} off |
RewriteCond %{HTTP:Host} (.*) |
RewriteCond %{HTTP:Host} (.*) |
RewriteCond %{REQUEST_METHOD} !HEAD |
RewriteCond %{REQUEST_METHOD} !HEAD |
RewriteRule ^/(.*) https://%1/$1 [R=301,L] |
RewriteRule ^/(.*) https://%1/$1 [R=301,L] |
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RewriteCond %{HTTPS} off |
RewriteCond %{HTTPS} off |