version 1.397, 2006/02/05 18:30:56
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version 1.419, 2006/09/26 04:26:15
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Line 40
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package Apache::lonxml; |
package Apache::lonxml; |
use vars |
use vars |
qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate %insertlist @namespace $errorcount $warningcount @htmlareafields); |
qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate %insertlist @namespace $errorcount $warningcount); |
use strict; |
use strict; |
use HTML::LCParser(); |
use HTML::LCParser(); |
use HTML::TreeBuilder(); |
use HTML::TreeBuilder(); |
Line 123 $evaluate = 1;
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Line 123 $evaluate = 1;
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# stores the list of active tag namespaces |
# stores the list of active tag namespaces |
@namespace=(); |
@namespace=(); |
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# has the dynamic menu been updated to know about this resource |
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$Apache::lonxml::registered=0; |
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# a pointer the the Apache request object |
# a pointer the the Apache request object |
$Apache::lonxml::request=''; |
$Apache::lonxml::request=''; |
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Line 162 sub disable_LaTeX_substitutions {
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Line 159 sub disable_LaTeX_substitutions {
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$Apache::lonxml::substitute_LaTeX_symbols = 0; |
$Apache::lonxml::substitute_LaTeX_symbols = 0; |
} |
} |
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sub xmlbegin { |
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my ($style)=@_; |
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my $output=''; |
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@htmlareafields=(); |
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if ($env{'browser.mathml'}) { |
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$output='<?xml version="1.0"?>' |
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#.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>'."\n" |
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# .'<!DOCTYPE html SYSTEM "/adm/MathML/mathml.dtd" ' |
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# .'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" [<!ENTITY mathns "http://www.w3.org/1998/Math/MathML">] >' |
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.'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" "http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg.dtd">' |
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.'<html xmlns:math="http://www.w3.org/1998/Math/MathML" ' |
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.'xmlns="http://www.w3.org/1999/xhtml">'; |
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} else { |
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$output='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html>'; |
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} |
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if ($style eq 'encode') { |
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$output=&HTML::Entities::encode($output,'<>&"'); |
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} |
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return $output; |
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} |
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sub xmlend { |
sub xmlend { |
my ($target,$parser)=@_; |
my ($target,$parser)=@_; |
my $mode='xml'; |
my $mode='xml'; |
Line 204 sub xmlend {
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Line 179 sub xmlend {
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$discussion.='<tex>\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\end{document}</tex>'; |
$discussion.='<tex>\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\end{document}</tex>'; |
&Apache::lonxml::newparser($parser,\$discussion,''); |
&Apache::lonxml::newparser($parser,\$discussion,''); |
return ''; |
return ''; |
} else { |
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return $discussion.&Apache::loncommon::endbodytag(); |
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} |
} |
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return $discussion; |
} |
} |
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sub tokeninputfield { |
sub tokeninputfield { |
Line 304 sub printtokenheader {
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Line 279 sub printtokenheader {
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} |
} |
} |
} |
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sub fontsettings { |
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my $headerstring=''; |
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if (($env{'browser.os'} eq 'mac') && (!$env{'browser.mathml'})) { |
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$headerstring.= |
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'<meta Content-Type="text/html; charset=x-mac-roman" />'; |
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} elsif (!$env{'browser.mathml'} && $env{'browser.unicode'}) { |
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$headerstring.= |
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'<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />'; |
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} |
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return $headerstring; |
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} |
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sub printalltags { |
sub printalltags { |
my $temp; |
my $temp; |
foreach $temp (sort keys %Apache::lonxml::alltags) { |
foreach $temp (sort keys %Apache::lonxml::alltags) { |
Line 403 sub latex_special_symbols {
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Line 366 sub latex_special_symbols {
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return $string; |
return $string; |
} |
} |
if ($where eq 'header') { |
if ($where eq 'header') { |
$string =~ s/(\\|_|\^)/ /g; |
$string =~ s/\\/\$\\backslash\$/g; # \ -> $\backslash$ per LaTex line by line pg 10. |
$string =~ s/(\$|%|\{|\})/\\$1/g; |
$string =~ s/(\$|%|\{|\})/\\$1/g; |
$string =~ s/_/ /g; |
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$string=&Apache::lonprintout::character_chart($string); |
$string=&Apache::lonprintout::character_chart($string); |
# any & or # leftover should be safe to just escape |
# any & or # leftover should be safe to just escape |
$string=~s/([^\\])\&/$1\\\&/g; |
$string=~s/([^\\])\&/$1\\\&/g; |
$string=~s/([^\\])\#/$1\\\#/g; |
$string=~s/([^\\])\#/$1\\\#/g; |
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$string =~ s/_/\\_/g; # _ -> \_ |
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$string =~ s/\^/\\\^{}/g; # ^ -> \^{} |
} else { |
} else { |
$string=~s/\\/\\ensuremath{\\backslash}/g; |
$string=~s/\\/\\ensuremath{\\backslash}/g; |
$string=~s/\\\%|\%/\\\%/g; |
$string=~s/\\\%|\%/\\\%/g; |
Line 637 sub callsub {
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Line 601 sub callsub {
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sub setup_globals { |
sub setup_globals { |
my ($request,$target)=@_; |
my ($request,$target)=@_; |
$Apache::lonxml::request=$request; |
$Apache::lonxml::request=$request; |
$Apache::lonxml::registered = 0; |
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@Apache::lonxml::htmlareafields=(); |
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$errorcount=0; |
$errorcount=0; |
$warningcount=0; |
$warningcount=0; |
$Apache::lonxml::default_homework_loaded=0; |
$Apache::lonxml::default_homework_loaded=0; |
Line 971 sub decreasedepth {
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Line 933 sub decreasedepth {
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#print "<br />e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n"; |
#print "<br />e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n"; |
} |
} |
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sub get_id { |
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my ($parstack,$safeeval)=@_; |
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my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval); |
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if ($env{'request.state'} eq 'construct' && $id =~ /(\.|_)/) { |
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&error(&mt("IDs are not allowed to contain "<tt>_</tt>" or "<tt>.</tt>"")); |
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} |
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if ($id =~ /^\s*$/) { $id = $Apache::lonxml::curdepth; } |
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return $id; |
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} |
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sub get_all_text_unbalanced { |
sub get_all_text_unbalanced { |
#there is a copy of this in lonpublisher.pm |
#there is a copy of this in lonpublisher.pm |
my($tag,$pars)= @_; |
my($tag,$pars)= @_; |
Line 1028 sub init_counter {
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Line 1000 sub init_counter {
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sub store_counter { |
sub store_counter { |
&Apache::lonnet::appenv(('form.counter' => $Apache::lonxml::counter)); |
&Apache::lonnet::appenv(('form.counter' => $Apache::lonxml::counter)); |
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$Apache::lonxml::counter_changed=0; |
return ''; |
return ''; |
} |
} |
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{ |
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my $state; |
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sub clear_problem_counter { |
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undef($state); |
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&Apache::lonnet::delenv('form.counter'); |
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&Apache::lonxml::init_counter(); |
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&Apache::lonxml::store_counter(); |
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} |
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sub remember_problem_counter { |
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&Apache::lonnet::transfer_profile_to_env(); |
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$state = $env{'form.counter'}; |
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} |
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sub restore_problem_counter { |
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if (defined($state)) { |
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&Apache::lonnet::appenv(('form.counter' => $state)); |
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} |
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} |
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sub get_problem_counter { |
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if ($Apache::lonxml::counter_changed) { &store_counter() } |
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&Apache::lonnet::transfer_profile_to_env(); |
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return $env{'form.counter'}; |
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} |
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} |
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sub get_all_text { |
sub get_all_text { |
my($tag,$pars,$style)= @_; |
my($tag,$pars,$style)= @_; |
my $gotfullstack=1; |
my $gotfullstack=1; |
Line 1150 sub newparser {
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Line 1149 sub newparser {
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} |
} |
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sub parstring { |
sub parstring { |
my ($token) = @_; |
my ($token) = @_; |
my $temp=''; |
my (@vars,@values); |
foreach (@{$token->[3]}) { |
foreach my $attr (@{$token->[3]}) { |
unless ($_=~/\W/) { |
if ($attr!~/\W/) { |
my $val=$token->[2]->{$_}; |
my $val=$token->[2]->{$attr}; |
$val =~ s/([\%\@\\\"\'])/\\$1/g; |
$val =~ s/([\%\@\\\"\'])/\\$1/g; |
$val =~ s/(\$[^{a-zA-Z_])/\\$1/g; |
$val =~ s/(\$[^\{a-zA-Z_])/\\$1/g; |
$val =~ s/(\$)$/\\$1/; |
$val =~ s/(\$)$/\\$1/; |
#if ($val =~ m/^[\%\@]/) { $val="\\".$val; } |
#if ($val =~ m/^[\%\@]/) { $val="\\".$val; } |
$temp .= "my \$$_=\"$val\";"; |
push(@vars,"\$$attr"); |
} |
push(@values,"\"$val\""); |
} |
} |
return $temp; |
} |
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my $var_init = |
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(@vars) ? 'my ('.join(',',@vars).') = ('.join(',',@values).');' |
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: ''; |
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return $var_init; |
} |
} |
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sub extlink { |
sub extlink { |
Line 1290 sub inserteditinfo {
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Line 1293 sub inserteditinfo {
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my $initialize=''; |
my $initialize=''; |
if ($filetype eq 'html') { |
if ($filetype eq 'html') { |
my $addbuttons=&Apache::lonhtmlcommon::htmlareaaddbuttons(); |
my $addbuttons=&Apache::lonhtmlcommon::htmlareaaddbuttons(); |
$initialize=&Apache::lonhtmlcommon::htmlareaheaders(). |
$initialize=&Apache::lonhtmlcommon::spellheader(); |
&Apache::lonhtmlcommon::spellheader(); |
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if (!&Apache::lonhtmlcommon::htmlareablocked() && |
if (!&Apache::lonhtmlcommon::htmlareablocked() && |
&Apache::lonhtmlcommon::htmlareabrowser()) { |
&Apache::lonhtmlcommon::htmlareabrowser()) { |
$initialize.=(<<FULLPAGE); |
$initialize.=(<<FULLPAGE); |
Line 1421 sub handler {
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Line 1423 sub handler {
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my $result = ''; |
my $result = ''; |
my $filecontents=&Apache::lonnet::getfile($file); |
my $filecontents=&Apache::lonnet::getfile($file); |
if ($filecontents eq -1) { |
if ($filecontents eq -1) { |
my $bodytag=&Apache::loncommon::bodytag('File Error'); |
my $start_page=&Apache::loncommon::start_page('File Error'); |
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my $end_page=&Apache::loncommon::end_page(); |
my $fnf=&mt('File not found'); |
my $fnf=&mt('File not found'); |
$result=(<<ENDNOTFOUND); |
$result=(<<ENDNOTFOUND); |
<html> |
$start_page |
<head> |
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<title>$fnf</title> |
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</head> |
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$bodytag |
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<b>$fnf: $file</b> |
<b>$fnf: $file</b> |
</body> |
$end_page |
</html> |
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ENDNOTFOUND |
ENDNOTFOUND |
$filecontents=''; |
$filecontents=''; |
if ($env{'request.state'} ne 'published') { |
if ($env{'request.state'} ne 'published') { |
Line 1469 ENDNOTFOUND
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Line 1467 ENDNOTFOUND
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if ($env{'form.editmode'} && (!($env{'form.viewmode'}))) { |
if ($env{'form.editmode'} && (!($env{'form.viewmode'}))) { |
my $displayfile=$request->uri; |
my $displayfile=$request->uri; |
$displayfile=~s/^\/[^\/]*//; |
$displayfile=~s/^\/[^\/]*//; |
my $bodytag='<body bgcolor="#FFFFFF">'; |
my %options = (); |
if ($env{'environment.remote'} eq 'off') { |
if ($env{'environment.remote'} ne 'off') { |
$bodytag=&Apache::loncommon::bodytag(); |
$options{'bgcolor'} = '#FFFFFF'; |
} |
} |
$result='<html>'.$bodytag. |
my $start_page = &Apache::loncommon::start_page(undef,undef, |
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\%options); |
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$result=$start_page. |
&Apache::lonxml::message_location().'<h3>'. |
&Apache::lonxml::message_location().'<h3>'. |
$displayfile. |
$displayfile. |
'</h3></body></html>'; |
'</h3>'.&Apache::loncommon::end_page(); |
$result=&inserteditinfo($result,$filecontents,$filetype); |
$result=&inserteditinfo($result,$filecontents,$filetype); |
} |
} |
} |
} |
if ($filetype eq 'html') { writeallows($request->uri); } |
if ($filetype eq 'html') { &writeallows($request->uri); } |
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&Apache::lonxml::add_messages(\$result); |
&Apache::lonxml::add_messages(\$result); |
Line 1543 sub error {
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Line 1543 sub error {
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if ( !$symb ) { |
if ( !$symb ) { |
#public or browsers |
#public or browsers |
$errormsg=&mt("An error occured while processing this resource. The author has been notified."); |
$errormsg=&mt("An error occured while processing this resource. The author has been notified."); |
} |
} |
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my $host=$Apache::lonnet::perlvar{'lonHostID'}; |
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my $msg = join('<br />',(@_,"The error occurred on host <tt>$host</tt>")); |
#notify author |
#notify author |
&Apache::lonmsg::author_res_msg($env{'request.filename'},join('<br />',@_)); |
&Apache::lonmsg::author_res_msg($env{'request.filename'},$msg); |
#notify course |
#notify course |
if ( $symb && $env{'request.course.id'} ) { |
if ( $symb && $env{'request.course.id'} ) { |
my $cnum=$env{'course.'.$env{'request.course.id'}.'.num'}; |
my $cnum=$env{'course.'.$env{'request.course.id'}.'.num'}; |
Line 1563 sub error {
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Line 1565 sub error {
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my $now=time; |
my $now=time; |
if ($now-$lastnotified{$key}>86400) { |
if ($now-$lastnotified{$key}>86400) { |
&Apache::lonmsg::user_normal_msg($user,$domain, |
&Apache::lonmsg::user_normal_msg($user,$domain, |
"Error [$declutter]",join('<br />',@_)); |
"Error [$declutter]",$msg); |
&Apache::lonnet::put('nohist_xmlerrornotifications', |
&Apache::lonnet::put('nohist_xmlerrornotifications', |
{$key => $now}, |
{$key => $now}, |
$cdom,$cnum); |
$cdom,$cnum); |
Line 1626 sub get_param {
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Line 1628 sub get_param {
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} |
} |
if ( ! $args ) { return undef; } |
if ( ! $args ) { return undef; } |
if ( $case_insensitive ) { |
if ( $case_insensitive ) { |
if ($args =~ s/(my \$)(\Q$param\E)(=\")/$1.lc($2).$3/ei) { |
if ($args =~ s/(my (?:.*))(\$\Q$param\E[,\)])/$1.lc($2)/ei) { |
return &Apache::run::run("{$args;".'return $'.$param.'}', |
return &Apache::run::run("{$args;".'return $'.$param.'}', |
$safeeval); #' |
$safeeval); #' |
} else { |
} else { |
return undef; |
return undef; |
} |
} |
} else { |
} else { |
if ( $args =~ /my \$\Q$param\E=\"/ ) { |
if ( $args =~ /my .*\$\Q$param\E[,\)]/ ) { |
return &Apache::run::run("{$args;".'return $'.$param.'}', |
return &Apache::run::run("{$args;".'return $'.$param.'}', |
$safeeval); #' |
$safeeval); #' |
} else { |
} else { |
Line 1652 sub get_param_var {
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Line 1654 sub get_param_var {
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} |
} |
&Apache::lonxml::debug("Args are $args param is $param"); |
&Apache::lonxml::debug("Args are $args param is $param"); |
if ($case_insensitive) { |
if ($case_insensitive) { |
if (! ($args=~s/(my \$)(\Q$param\E)(=\")/$1.lc($2).$3/ei)) { |
if (! ($args=~s/(my (?:.*))(\$\Q$param\E[,\)])/$1.lc($2)/ei)) { |
return undef; |
return undef; |
} |
} |
} elsif ( $args !~ /my \$\Q$param\E=\"/ ) { return undef; } |
} elsif ( $args !~ /my .*\$\Q$param\E[,\)]/ ) { return undef; } |
my $value=&Apache::run::run("{$args;".'return $'.$param.'}',$safeeval); #' |
my $value=&Apache::run::run("{$args;".'return $'.$param.'}',$safeeval); #' |
&Apache::lonxml::debug("first run is $value"); |
&Apache::lonxml::debug("first run is $value"); |
if ($value =~ /^[\$\@\%][a-zA-Z_]\w*$/) { |
if ($value =~ /^[\$\@\%][a-zA-Z_]\w*$/) { |