version 1.351, 2005/01/24 22:36:03
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version 1.360, 2005/03/01 03:21:58
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Line 149 $Apache::lonxml::post_evaluate=1;
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Line 149 $Apache::lonxml::post_evaluate=1;
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$Apache::lonxml::warnings_error_header=''; |
$Apache::lonxml::warnings_error_header=''; |
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sub xmlbegin { |
sub xmlbegin { |
my $output=''; |
my ($style)=@_; |
@htmlareafields=(); |
my $output=''; |
if ($ENV{'browser.mathml'}) { |
@htmlareafields=(); |
$output='<?xml version="1.0"?>' |
if ($ENV{'browser.mathml'}) { |
.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>' |
$output='<?xml version="1.0"?>' |
.'<!DOCTYPE html SYSTEM "/adm/MathML/mathml.dtd" ' |
#.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>'."\n" |
.'[<!ENTITY mathns "http://www.w3.org/1998/Math/MathML">]>' |
# .'<!DOCTYPE html SYSTEM "/adm/MathML/mathml.dtd" ' |
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# .'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" [<!ENTITY mathns "http://www.w3.org/1998/Math/MathML">] >' |
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.'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" "http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg.dtd">' |
.'<html xmlns:math="http://www.w3.org/1998/Math/MathML" ' |
.'<html xmlns:math="http://www.w3.org/1998/Math/MathML" ' |
.'xmlns="http://www.w3.org/TR/REC-html40">'; |
.'xmlns="http://www.w3.org/1999/xhtml">'; |
} else { |
} else { |
$output='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
$output='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html>'; |
<html>'; |
} |
} |
if ($style eq 'encode') { |
return $output; |
$output=&HTML::Entities::encode($output,'<>&"'); |
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} |
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return $output; |
} |
} |
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sub xmlend { |
sub xmlend { |
Line 179 sub xmlend {
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Line 184 sub xmlend {
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&Apache::lonxml::newparser($parser,\$discussion,''); |
&Apache::lonxml::newparser($parser,\$discussion,''); |
return ''; |
return ''; |
} else { |
} else { |
return $discussion.'</html>'; |
return $discussion.&Apache::loncommon::endbodytag(); |
} |
} |
} |
} |
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Line 284 sub printtokenheader {
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Line 289 sub printtokenheader {
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} |
} |
} |
} |
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sub fontsettings() { |
sub fontsettings { |
my $headerstring=''; |
my $headerstring=''; |
if (($ENV{'browser.os'} eq 'mac') && (!$ENV{'browser.mathml'})) { |
if (($ENV{'browser.os'} eq 'mac') && (!$ENV{'browser.mathml'})) { |
$headerstring.= |
$headerstring.= |
Line 353 sub xmlparse {
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Line 358 sub xmlparse {
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my @stack = (); |
my @stack = (); |
my @parstack = (); |
my @parstack = (); |
&initdepth; |
&initdepth(); |
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&init_alarm(); |
my $finaloutput = &inner_xmlparse($target,\@stack,\@parstack,\@pars, |
my $finaloutput = &inner_xmlparse($target,\@stack,\@parstack,\@pars, |
$safeeval,\%style_for_target); |
$safeeval,\%style_for_target); |
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Line 368 sub xmlparse {
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Line 373 sub xmlparse {
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sub htmlclean { |
sub htmlclean { |
my ($raw,$full)=@_; |
my ($raw,$full)=@_; |
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# Take care of CRLF etc |
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my $tree = HTML::TreeBuilder->new; |
$raw=~s/\r\f/\n/gs; $raw=~s/\f\r/\n/gs; |
$tree->ignore_unknown(0); |
$raw=~s/\r\n/\n/gs; $raw=~s/\n\r/\n/gs; |
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$raw=~s/\f/\n/gs; $raw=~s/\r/\n/gs; |
$tree->parse($raw); |
$raw=~s/\&\#10\;/\n/gs; $raw=~s/\&\#13\;/\n/gs; |
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my $output= $tree->as_HTML(undef,' '); |
# Generate empty tags, remove wrong end tags |
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$raw=~s/\<(br|hr|img|meta|allow|basefont)([^\>\/]*?)\>/\<$1$2 \/\>/gis; |
$output=~s/\<(br|hr|img|meta|allow)(.*?)\>/\<$1$2 \/\>/gis; |
$raw=~s/\<\/(br|hr|img|meta|allow|basefont)\>//gis; |
$output=~s/\<\/(br|hr|img|meta|allow)\>//gis; |
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unless ($full) { |
unless ($full) { |
$output=~s/\<[\/]*(body|head|html)\>//gis; |
$raw=~s/\<[\/]*(body|head|html)\>//gis; |
} |
} |
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# Make standard tags lowercase |
$tree = $tree->delete; |
foreach ('html','body','head','meta','h1','h2','h3','h4','b','i','m', |
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'table','tr','td','th','p','br','hr','img','embed','font', |
return $output; |
'a','strong','center','title','basefont','li','ol','ul', |
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'input','select','form','option','script','pre') { |
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$raw=~s/\<$_\s*\>/\<$_\>/gis; |
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$raw=~s/\<\/$_\s*\>/<\/$_\>/gis; |
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$raw=~s/\<$_\s([^\>]*)\>/<$_ $1\>/gis; |
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} |
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return $raw; |
} |
} |
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sub latex_special_symbols { |
sub latex_special_symbols { |
Line 781 sub default_homework_load {
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Line 792 sub default_homework_load {
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} |
} |
} |
} |
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{ |
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my $alarm_depth; |
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sub init_alarm { |
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alarm(0); |
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$alarm_depth=0; |
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} |
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sub start_alarm { |
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if ($alarm_depth<1) { |
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my $old=alarm($Apache::lonnet::perlvar{'lonScriptTimeout'}); |
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if ($old) { |
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&Apache::lonxml::error("Cancelled an alarm of $old, this shouldn't occur."); |
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} |
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} |
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$alarm_depth++; |
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} |
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sub end_alarm { |
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$alarm_depth--; |
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if ($alarm_depth<1) { alarm(0); } |
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} |
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} |
my $metamode_was; |
my $metamode_was; |
sub startredirection { |
sub startredirection { |
if (!$Apache::lonxml::redirection) { |
if (!$Apache::lonxml::redirection) { |
Line 1261 sub handler {
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Line 1294 sub handler {
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&Apache::loncommon::content_type($request,'text/html'); |
&Apache::loncommon::content_type($request,'text/html'); |
} |
} |
&Apache::loncommon::no_cache($request); |
&Apache::loncommon::no_cache($request); |
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$request->set_last_modified(&Apache::lonnet::metadata($request->uri, |
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'lastrevisiondate')); |
$request->send_http_header; |
$request->send_http_header; |
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return OK if $request->header_only; |
return OK if $request->header_only; |