version 1.107, 2011/05/27 18:34:07
|
version 1.112.2.1, 2012/05/10 19:19:30
|
Line 50 use LONCAPA;
|
Line 50 use LONCAPA;
|
use URI::Escape; |
use URI::Escape; |
use IO::Socket::INET; |
use IO::Socket::INET; |
|
|
|
|
|
# |
|
# Table of substitutions to unicode characters. |
|
# |
|
my %unicode_translations = ( |
|
'\rightleftharpoons' => 0x21cc, |
|
|
|
# Brackets - unicode is commented out with pure 8-bit ascii ugliness while we need it. |
|
|
|
# '' => 0x23a1, |
|
# '' => 0x23a2, |
|
# '' => 0x23a3, # when unicode catches up with browsers |
|
# '' => 0x23a4, # use these instead of the cheesey brackets below |
|
# '' => 0x23a5, |
|
# '' => 0x23a6 |
|
'' => 0x5b, |
|
'' => 0x5b, # '[' |
|
'' => 0x5b, |
|
'' => 0x5d, # ']' |
|
'' => 0x5d, |
|
'' => 0x5d, |
|
|
|
# Parens..again the unicode is commented out with the 8-bit ascii ugliness |
|
# turned on until browsers catch up with the unicode world. |
|
|
|
# '' => 0x239b, |
|
# '' => 0x239c, |
|
# '' => 0x239d, |
|
# '' => 0x239e, |
|
# '' => 0x239f, |
|
# '' => 0x23a0 |
|
|
|
'' => 0x28, |
|
'' => 0x28, # '(' |
|
'' => 0x28, |
|
|
|
'' => 0x29, |
|
'' => 0x29, # '(' |
|
'' => 0x29 |
|
|
|
|
|
); |
|
|
|
## |
|
# Utility to convert elements of a string to unicode: |
|
# |
|
# @param input - Input string |
|
# @param pattern - Pattern to convert |
|
# @param unicode - Unicode to substitute for pattern. |
|
# |
|
# @return string - resulting string. |
|
# |
|
sub unicode_subst { |
|
my ($input, $pattern, $unicode) = @_; |
|
|
|
my $char = pack('U', $unicode); |
|
|
|
$input =~ s/$pattern/$char/g; |
|
|
|
return $input; |
|
} |
|
|
# ====================================================================== Header |
# ====================================================================== Header |
|
|
sub init_tth { |
sub init_tth { |
Line 106 sub convert_real {
|
Line 168 sub convert_real {
|
$xmlstring=~s/^\s*\<br clear\=\"all\"/\<br/s; |
$xmlstring=~s/^\s*\<br clear\=\"all\"/\<br/s; |
$xmlstring=~s/^\s*//; |
$xmlstring=~s/^\s*//; |
$xmlstring=~s/\s*$//; |
$xmlstring=~s/\s*$//; |
|
&Apache::lonxml::end_alarm(); |
|
|
# |
# |
# \rightleftharpoons is not converted by tth but maps |
# Several strings produced by tth require |
# reasonably well to ⇔. If we get many more of these, |
# transliteration -> unicode equivalents to render reliably |
# we're going to need to have a translation sub. |
# in browsers. %unicode_translations is a table of |
# |
# string->substitution which we now apply: |
my $lrharpoon = pack("U", 0x21cc); |
|
$xmlstring=~s/\\rightleftharpoons/$lrharpoon/g; |
foreach my $pattern (keys(%unicode_translations)) { |
|
my $unicode = $unicode_translations{$pattern}; |
|
$xmlstring = &unicode_subst($xmlstring, $pattern, $unicode); |
|
} |
|
|
|
|
&Apache::lonxml::end_alarm(); |
|
return ($xmlstring,$errorstring); |
return ($xmlstring,$errorstring); |
} |
} |
|
|
Line 247 sub init_math_support {
|
Line 314 sub init_math_support {
|
sub mimetex_valign { |
sub mimetex_valign { |
my ($esc_texstring)=@_; |
my ($esc_texstring)=@_; |
my $valign = 0; |
my $valign = 0; |
my $lonhost = $Apache::lonnet::perlvar{'lonHostID'}; |
|
my $hostname = &Apache::lonnet::hostname($lonhost); |
|
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(); |
$socket = IO::Socket::INET->new(PeerAddr => $hostname, |
$socket = IO::Socket::INET->new(PeerAddr => 'localhost', |
PeerPort => 'http(80)', |
PeerPort => 'http(80)', |
Proto => 'tcp'); |
Proto => 'tcp'); |
if ($socket) { |
if ($socket) { |
Line 511 Header
|
Line 576 Header
|
|
|
=item jsMath_converted() |
=item jsMath_converted() |
|
|
|
|
=item tex_engine() |
=item tex_engine() |
|
|
|
|