version 1.2, 2000/06/23 20:40:06
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version 1.74, 2001/05/13 20:01:11
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# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# Style Parser Module |
# XML Parser Module |
# |
# |
# last modified 06/23/00 by Alexander Sakharuk |
# last modified 06/26/00 by Alexander Sakharuk |
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# 11/6 Gerd Kortemeyer |
package Apache::lonstyleparser; |
# 6/1/1 Gerd Kortemeyer |
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# 2/21,3/13 Guy |
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# 3/29,5/4 Gerd Kortemeyer |
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# 5/10 Scott Harrison |
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package Apache::lonxml; |
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use vars |
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qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate %insertlist); |
use strict; |
use strict; |
use HTML::TokeParser; |
use HTML::TokeParser; |
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use Safe; |
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use Safe::Hole; |
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use Opcode; |
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sub register { |
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my $space; |
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my @taglist; |
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my $temptag; |
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($space,@taglist) = @_; |
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foreach $temptag (@taglist) { |
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$Apache::lonxml::alltags{$temptag}=$space; |
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} |
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} |
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#============================================================= style subroutine |
use Apache::Constants qw(:common); |
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use Apache::lontexconvert; |
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use Apache::style; |
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use Apache::run; |
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use Apache::londefdef; |
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use Apache::scripttag; |
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use Apache::edit; |
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#================================================== Main subroutine: xmlparse |
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#debugging control, to turn on debugging modify the correct handler |
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$Apache::lonxml::debug=0; |
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#path to the directory containing the file currently being processed |
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@pwd=(); |
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#these two are used for capturing a subset of the output for later processing, |
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#don't touch them directly use &startredirection and &endredirection |
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@outputstack = (); |
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$redirection = 0; |
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#controls wheter the <import> tag actually does |
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$import = 1; |
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@extlinks=(); |
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# meta mode is a bit weird only some output is to be turned off |
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#<output> tag turns metamode off (defined in londefdef.pm) |
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$metamode = 0; |
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# turns on and of run::evaluate actually derefencing var refs |
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$evaluate = 1; |
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# data structure for eidt mode, determines what tags can go into what other tags |
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%insertlist=(); |
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sub xmlbegin { |
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my $output=''; |
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if ($ENV{'browser.mathml'}) { |
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$output='<?xml version="1.0"?>' |
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.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>' |
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.'<!DOCTYPE html SYSTEM "/adm/MathML/mathml.dtd" ' |
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.'[<!ENTITY mathns "http://www.w3.org/1998/Math/MathML">]>' |
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.'<html xmlns:math="http://www.w3.org/1998/Math/MathML" ' |
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.'xmlns="http://www.w3.org/TR/REC-html40">'; |
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} else { |
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$output='<html>'; |
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} |
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return $output; |
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} |
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sub styleparser { |
sub xmlend { |
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return '</html>'; |
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} |
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my ($target,$content_style_string) = @_; |
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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} |
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return $headerstring; |
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} |
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#------------------------------------------- target redefinition (if necessary) |
sub registerurl { |
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return (<<ENDSCRIPT); |
my @target_string = ''; |
<script language="JavaScript"> |
my $element; |
// BEGIN LON-CAPA Internal |
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function LONCAPAreg() { |
($element,@target_string) = split ('&&',$target); |
if (window.location.pathname!="/res/adm/pages/menu.html") { |
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menu=window.open("","LONCAPAmenu"); |
map {$content_style_string =~ s/\<(.*)$_\>/\<$1$element\>/g; } @target_string; |
menu.currentURL=window.location.pathname; |
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menu.currentStale=0; |
$target = $element; |
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#-------------------------------------------- create a table for defined target |
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#----------------------------------------- from the information from Style File |
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my @value_style = (); |
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my $current_key = ''; |
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my $current_value = ''; |
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my $stoken; |
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my $flag; |
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my $iele; |
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my $pstyle = HTML::TokeParser->new(\$content_style_string); |
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while ($stoken = $pstyle->get_token) { |
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#----------------------------------------------------- start for tag definition |
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if ($stoken->[0] eq 'S' and $stoken->[1] eq 'definetag') { |
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#-------------------------------------------------------------- new key in hash |
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$current_key = $stoken->[2]{name}; |
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$flag = 0; |
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#-------------------------------------------------------------- metadata output |
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if ($target eq 'meta') { |
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while ($stoken = $pstyle->get_token and $stoken->[1] ne 'definetag') { |
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if ($stoken->[0] eq 'S' and $stoken->[1] eq 'meta') { |
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while ($stoken = $pstyle->get_token and $stoken->[1] ne 'meta') { |
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$current_value .= $stoken->[1]; |
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} |
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} |
} |
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} |
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function LONCAPAstale() { |
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if (window.location.pathname!="/res/adm/pages/menu.html") { |
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menu=window.open("","LONCAPAmenu"); |
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menu.currentStale=1; |
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} |
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} |
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// END LON-CAPA Internal |
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</script> |
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ENDSCRIPT |
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} |
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sub loadevents() { |
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return 'LONCAPAreg();'; |
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} |
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sub unloadevents() { |
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return 'LONCAPAstale();'; |
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} |
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sub printalltags { |
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my $temp; |
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foreach $temp (sort keys %Apache::lonxml::alltags) { |
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&Apache::lonxml::debug("$temp -- $Apache::lonxml::alltags{$temp}"); |
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} |
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} |
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sub xmlparse { |
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my ($target,$content_file_string,$safeinit,%style_for_target) = @_; |
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if ($target eq 'meta') { |
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$Apache::lonxml::redirection = 0; |
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$Apache::lonxml::metamode = 1; |
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$Apache::lonxml::evaluate = 1; |
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$Apache::lonxml::import = 0; |
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} elsif ($target eq 'grade') { |
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&startredirection; |
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$Apache::lonxml::metamode = 0; |
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$Apache::lonxml::evaluate = 1; |
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$Apache::lonxml::import = 1; |
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} elsif ($target eq 'modified') { |
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$Apache::lonxml::redirection = 0; |
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$Apache::lonxml::metamode = 0; |
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$Apache::lonxml::evaluate = 0; |
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$Apache::lonxml::import = 0; |
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} else { |
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$Apache::lonxml::redirection = 0; |
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$Apache::lonxml::metamode = 0; |
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$Apache::lonxml::evaluate = 1; |
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$Apache::lonxml::import = 1; |
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} |
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#&printalltags(); |
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my @pars = (); |
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@Apache::lonxml::pwd=(); |
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my $pwd=$ENV{'request.filename'}; |
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$pwd =~ s:/[^/]*$::; |
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&newparser(\@pars,\$content_file_string,$pwd); |
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my $currentstring = ''; |
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my $finaloutput = ''; |
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my $newarg = ''; |
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my $result; |
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my $safeeval = new Safe; |
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my $safehole = new Safe::Hole; |
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$safeeval->permit("entereval"); |
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$safeeval->permit(":base_math"); |
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$safeeval->deny(":base_io"); |
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$safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT'); |
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#need to inspect this class of ops |
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# $safeeval->deny(":base_orig"); |
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$safeinit .= ';$external::target='.$target.';'; |
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$safeinit .= ';$external::randomseed='.&Apache::lonnet::rndseed().';'; |
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&Apache::run::run($safeinit,$safeeval); |
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#-------------------- Redefinition of the target in the case of compound target |
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($target, my @tenta) = split('&&',$target); |
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my @stack = (); |
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my @parstack = (); |
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&initdepth; |
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my $token; |
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while ( $#pars > -1 ) { |
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while ($token = $pars[$#pars]->get_token) { |
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if (($token->[0] eq 'T') || ($token->[0] eq 'C') || ($token->[0] eq 'D') ) { |
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if ($metamode<1) { $result=$token->[1]; } |
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} elsif ($token->[0] eq 'PI') { |
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if ($metamode<1) { $result=$token->[2]; } |
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} elsif ($token->[0] eq 'S') { |
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# add tag to stack |
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push (@stack,$token->[1]); |
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# add parameters list to another stack |
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push (@parstack,&parstring($token)); |
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&increasedepth($token); |
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if (exists $style_for_target{$token->[1]}) { |
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if ($Apache::lonxml::redirection) { |
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$Apache::lonxml::outputstack['-1'] .= |
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&recurse($style_for_target{$token->[1]},$target,$safeeval, |
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\%style_for_target,@parstack); |
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} else { |
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$finaloutput .= &recurse($style_for_target{$token->[1]},$target, |
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$safeeval,\%style_for_target,@parstack); |
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} |
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} else { |
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$result = &callsub("start_$token->[1]", $target, $token,\@parstack, |
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\@pars, $safeeval, \%style_for_target); |
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} |
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} elsif ($token->[0] eq 'E') { |
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#clear out any tags that didn't end |
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while ($token->[1] ne $stack[$#stack] && ($#stack > -1)) { |
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&Apache::lonxml::warning("Unbalanced tags in resource $stack['-1']"); |
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pop @stack;pop @parstack;&decreasedepth($token); |
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} |
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if (exists $style_for_target{'/'."$token->[1]"}) { |
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if ($Apache::lonxml::redirection) { |
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$Apache::lonxml::outputstack['-1'] .= |
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&recurse($style_for_target{'/'."$token->[1]"}, |
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$target,$safeeval,\%style_for_target,@parstack); |
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} else { |
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$finaloutput .= &recurse($style_for_target{'/'."$token->[1]"}, |
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$target,$safeeval,\%style_for_target, |
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@parstack); |
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} |
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} else { |
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$result = &callsub("end_$token->[1]", $target, $token, \@parstack, |
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\@pars,$safeeval, \%style_for_target); |
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} |
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} else { |
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&Apache::lonxml::error("Unknown token event :$token->[0]:$token->[1]:"); |
} |
} |
} else { |
#evaluate variable refs in result |
#--------------------------------------------------------------- outtext output |
if ($result ne "") { |
while ($stoken = $pstyle->get_token and $stoken->[1] ne 'outtext') { |
if ( $#parstack > -1 ) { |
if ($stoken->[1] eq 'definetag') { |
if ($Apache::lonxml::redirection) { |
$flag = 1; |
$Apache::lonxml::outputstack['-1'] .= |
last; |
&Apache::run::evaluate($result,$safeeval,$parstack[$#parstack]); |
} |
} else { |
} |
$finaloutput .= &Apache::run::evaluate($result,$safeeval, |
if ($flag == 0) { |
$parstack[$#parstack]); |
while ($stoken = $pstyle->get_token and $stoken->[0] ne 'S') { |
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$current_value .= $stoken->[1]; |
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} |
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while ($stoken->[1] ne 'definetag') { |
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if ($stoken->[0] eq 'S' and $stoken->[1] eq $target) { |
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while ($stoken = $pstyle->get_token) { |
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if ($stoken->[1] ne $target) { |
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if ($stoken->[0] eq 'S') { |
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my $flagelem = 0; |
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for (my $i=$#value_style-1;$i>0;$i=$i-2) { |
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if ($stoken->[1] eq $value_style[$i]) { |
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$flagelem = 1; |
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$iele = $i+1; |
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last; |
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} |
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} |
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if ($flagelem == 0) { |
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$current_value .= $stoken->[4]; |
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} else { |
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$current_value .= $value_style[$iele]; |
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} |
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} |
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if ($stoken->[0] eq 'E') { |
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my $flagelem = 0; |
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for (my $i=$#value_style-1;$i>0;$i=$i-2) { |
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if ('/'.$stoken->[1] eq $value_style[$i]) { |
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$flagelem = 1; |
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$iele = $i+1; |
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last; |
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} |
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} |
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if ($flagelem == 0) { |
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$current_value .= $stoken->[2]; |
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} else { |
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$current_value .= $value_style[$iele]; |
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} |
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} |
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if ($stoken->[0] eq 'T') { |
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$current_value .= $stoken->[1]; |
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} |
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} else { |
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last; |
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} |
} |
} |
} else { |
} elsif ($stoken->[0] eq 'S' and $stoken->[1] ne $target) { |
$finaloutput .= &Apache::run::evaluate($result,$safeeval,''); |
my $tempotempo = $stoken->[1]; |
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while ($stoken = $pstyle->get_token and $stoken->[1] ne $tempotempo) { |
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} |
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} |
} |
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$result = ''; |
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} |
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if ($token->[0] eq 'E') { |
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pop @stack;pop @parstack;&decreasedepth($token); |
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} |
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} |
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pop @pars; |
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pop @Apache::lonxml::pwd; |
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} |
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# if ($target eq 'meta') { |
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# $finaloutput.=&endredirection; |
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# } |
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if (($ENV{'QUERY_STRING'}) && ($target eq 'web')) { |
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$finaloutput=&afterburn($finaloutput); |
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} |
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return $finaloutput; |
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} |
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while ($stoken = $pstyle->get_token) { |
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if ($stoken->[0] eq 'T') { |
sub recurse { |
$current_value .= $stoken->[1]; |
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} |
my @innerstack = (); |
if ($stoken->[0] eq 'E') { |
my @innerparstack = (); |
last; |
my ($newarg,$target,$safeeval,$style_for_target,@parstack) = @_; |
} |
my @pat = (); |
if ($stoken->[0] eq 'S') { |
&newparser(\@pat,\$newarg); |
last; |
my $tokenpat; |
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my $partstring = ''; |
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my $output=''; |
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my $decls=''; |
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while ( $#pat > -1 ) { |
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while ($tokenpat = $pat[$#pat]->get_token) { |
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if (($tokenpat->[0] eq 'T') || ($tokenpat->[0] eq 'C') || ($tokenpat->[0] eq 'D') ) { |
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if ($metamode<1) { $partstring=$tokenpat->[1]; } |
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} elsif ($tokenpat->[0] eq 'PI') { |
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if ($metamode<1) { $partstring=$tokenpat->[2]; } |
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} elsif ($tokenpat->[0] eq 'S') { |
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push (@innerstack,$tokenpat->[1]); |
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push (@innerparstack,&parstring($tokenpat)); |
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&increasedepth($tokenpat); |
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$partstring = &callsub("start_$tokenpat->[1]", |
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$target, $tokenpat, \@innerparstack, |
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\@pat, $safeeval, $style_for_target); |
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} elsif ($tokenpat->[0] eq 'E') { |
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#clear out any tags that didn't end |
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while ($tokenpat->[1] ne $innerstack[$#innerstack] |
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&& ($#innerstack > -1)) { |
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&Apache::lonxml::warning("Unbalanced tags in resource $innerstack['-1']"); |
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pop @innerstack;pop @innerparstack;&decreasedepth($tokenpat); |
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} |
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$partstring = &callsub("end_$tokenpat->[1]", |
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$target, $tokenpat, \@innerparstack, |
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\@pat, $safeeval, $style_for_target); |
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} else { |
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&Apache::lonxml::error("Unknown token event :$tokenpat->[0]:$tokenpat->[1]:"); |
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} |
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#pass both the variable to the style tag, and the tag we |
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#are processing inside the <definedtag> |
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if ( $partstring ne "" ) { |
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if ( $#parstack > -1 ) { |
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if ( $#innerparstack > -1 ) { |
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$decls= $parstack[$#parstack].$innerparstack[$#innerparstack]; |
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} else { |
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$decls= $parstack[$#parstack]; |
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} |
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} else { |
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if ( $#innerparstack > -1 ) { |
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$decls=$innerparstack[$#innerparstack]; |
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} else { |
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$decls=''; |
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} |
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} |
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$output .= &Apache::run::evaluate($partstring,$safeeval,$decls); |
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$partstring = ''; |
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} |
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if ($tokenpat->[0] eq 'E') { pop @innerstack;pop @innerparstack; |
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&decreasedepth($tokenpat);} |
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} |
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pop @pat; |
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pop @Apache::lonxml::pwd; |
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} |
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return $output; |
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} |
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sub callsub { |
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my ($sub,$target,$token,$parstack,$parser,$safeeval,$style)=@_; |
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my $currentstring=''; |
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my $nodefault; |
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{ |
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my $sub1; |
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no strict 'refs'; |
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if ($target eq 'edit' && $token->[0] eq 'S') { |
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$currentstring = &Apache::edit::tag_start($target,$token,$parstack,$parser, |
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$safeeval,$style); |
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} |
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my $tag=$token->[1]; |
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my $space=$Apache::lonxml::alltags{$tag}; |
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if (!$space) { |
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$tag=~tr/A-Z/a-z/; |
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$sub=~tr/A-Z/a-z/; |
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$space=$Apache::lonxml::alltags{$tag} |
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} |
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if ($space) { |
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#&Apache::lonxml::debug("Calling sub $sub in $space $metamode<br />\n"); |
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$sub1="$space\:\:$sub"; |
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$Apache::lonxml::curdepth=join('_',@Apache::lonxml::depthcounter); |
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($currentstring,$nodefault) = &$sub1($target,$token,$parstack,$parser, |
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$safeeval,$style); |
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} else { |
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#&Apache::lonxml::debug("NOT Calling sub $sub in $space $metamode<br />\n"); |
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if ($metamode <1) { |
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if (defined($token->[4]) && ($metamode < 1)) { |
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$currentstring = $token->[4]; |
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} else { |
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$currentstring = $token->[2]; |
} |
} |
} |
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|
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} |
} |
} |
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} |
} |
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&Apache::lonxml::debug("nodefalt:$nodefault:"); |
} |
if ($currentstring eq '' && $nodefault eq '') { |
$current_value =~ s/(\s)+/$1/g; |
if ($target eq 'edit') { |
if ($current_value ne ' ' and $current_value ne '' ) { |
&Apache::lonxml::debug("doing default edit for $token->[1]"); |
push (@value_style,lc $current_key,$current_value); |
if ($token->[0] eq 'S') { |
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$currentstring = &Apache::edit::tag_start($target,$token); |
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} elsif ($token->[0] eq 'E') { |
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$currentstring = &Apache::edit::tag_end($target,$token); |
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} |
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} elsif ($target eq 'modified') { |
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if ($token->[0] eq 'S') { |
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$currentstring = $token->[4]; |
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} else { |
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$currentstring = $token->[2]; |
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} |
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} |
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} |
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use strict 'refs'; |
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} |
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return $currentstring; |
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} |
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sub startredirection { |
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$Apache::lonxml::redirection++; |
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push (@Apache::lonxml::outputstack, ''); |
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} |
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|
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sub endredirection { |
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if (!$Apache::lonxml::redirection) { |
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&Apache::lonxml::error("Endredirection was called, before a startredirection, perhaps you have unbalanced tags. Some debuging information:".join ":",caller); |
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return ''; |
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} |
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$Apache::lonxml::redirection--; |
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pop @Apache::lonxml::outputstack; |
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} |
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sub initdepth { |
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@Apache::lonxml::depthcounter=(); |
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$Apache::lonxml::depth=-1; |
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$Apache::lonxml::olddepth=-1; |
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} |
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sub increasedepth { |
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my ($token) = @_; |
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$Apache::lonxml::depth++; |
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$Apache::lonxml::depthcounter[$Apache::lonxml::depth]++; |
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if ($Apache::lonxml::depthcounter[$Apache::lonxml::depth]==1) { |
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$Apache::lonxml::olddepth=$Apache::lonxml::depth; |
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} |
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my $curdepth=join('_',@Apache::lonxml::depthcounter); |
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&Apache::lonxml::debug("s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n"); |
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#print "<br />s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n"; |
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} |
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|
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sub decreasedepth { |
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my ($token) = @_; |
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$Apache::lonxml::depth--; |
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if ($Apache::lonxml::depth<$Apache::lonxml::olddepth-1) { |
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$#Apache::lonxml::depthcounter--; |
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$Apache::lonxml::olddepth=$Apache::lonxml::depth+1; |
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} |
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if ( $Apache::lonxml::depth < -1) { |
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&Apache::lonxml::warning("Unbalanced tags in resource"); |
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$Apache::lonxml::depth='-1'; |
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} |
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my $curdepth=join('_',@Apache::lonxml::depthcounter); |
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&Apache::lonxml::debug("e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n"); |
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#print "<br />e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n"; |
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} |
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|
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sub get_all_text { |
|
|
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my($tag,$pars)= @_; |
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my $depth=0; |
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my $token; |
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my $result=''; |
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if ( $tag =~ m:^/: ) { |
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my $tag=substr($tag,1); |
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# &Apache::lonxml::debug("have:$tag:"); |
|
while (($depth >=0) && ($token = $pars->get_token)) { |
|
# &Apache::lonxml::debug("e token:$token->[0]:$depth:$token->[1]"); |
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if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) { |
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$result.=$token->[1]; |
|
} elsif ($token->[0] eq 'PI') { |
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$result.=$token->[2]; |
|
} elsif ($token->[0] eq 'S') { |
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if ($token->[1] eq $tag) { $depth++; } |
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$result.=$token->[4]; |
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} elsif ($token->[0] eq 'E') { |
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if ( $token->[1] eq $tag) { $depth--; } |
|
#skip sending back the last end tag |
|
if ($depth > -1) { $result.=$token->[2]; } else { |
|
$pars->unget_token($token); |
|
} |
} |
} |
$current_key = ''; |
} |
$current_value = ''; |
} else { |
|
while ($token = $pars->get_token) { |
|
# &Apache::lonxml::debug("s token:$token->[0]:$depth:$token->[1]"); |
|
if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) { |
|
$result.=$token->[1]; |
|
} elsif ($token->[0] eq 'PI') { |
|
$result.=$token->[2]; |
|
} elsif ($token->[0] eq 'S') { |
|
if ( $token->[1] eq $tag) { |
|
$pars->unget_token($token); last; |
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} else { |
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$result.=$token->[4]; |
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} |
|
} elsif ($token->[0] eq 'E') { |
|
$result.=$token->[2]; |
|
} |
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} |
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} |
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# &Apache::lonxml::debug("Exit:$result:"); |
|
return $result |
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} |
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|
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sub newparser { |
|
my ($parser,$contentref,$dir) = @_; |
|
push (@$parser,HTML::TokeParser->new($contentref)); |
|
$$parser['-1']->xml_mode('1'); |
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if ( $dir eq '' ) { |
|
push (@Apache::lonxml::pwd, $Apache::lonxml::pwd[$#Apache::lonxml::pwd]); |
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} else { |
|
push (@Apache::lonxml::pwd, $dir); |
|
} |
|
# &Apache::lonxml::debug("pwd:$#Apache::lonxml::pwd"); |
|
# &Apache::lonxml::debug("pwd:$Apache::lonxml::pwd[$#Apache::lonxml::pwd]"); |
|
} |
|
|
|
sub parstring { |
|
my ($token) = @_; |
|
my $temp=''; |
|
map { |
|
unless ($_=~/\W/) { |
|
my $val=$token->[2]->{$_}; |
|
$val =~ s/([\%\@\\])/\\$1/g; |
|
#if ($val =~ m/^[\%\@]/) { $val="\\".$val; } |
|
$temp .= "my \$$_=\"$val\";" |
|
} |
|
} @{$token->[3]}; |
|
return $temp; |
|
} |
|
|
} |
sub writeallows { |
my %style_for_target = @value_style; |
my $thisurl='/res/'.&Apache::lonnet::declutter(shift); |
#--------------------------------------------------------------- check printing |
my $thisdir=$thisurl; |
# while (($current_key,$current_value) = each %style_for_target) { |
$thisdir=~s/\/[^\/]+$//; |
# print "$current_key => $current_value\n"; |
my %httpref=(); |
# } |
map { |
#---------------------------------------------------------------- return result |
$httpref{'httpref.'. |
return %style_for_target; |
&Apache::lonnet::hreflocation($thisdir,$_)}=$thisurl; } @extlinks; |
|
&Apache::lonnet::appenv(%httpref); |
} |
} |
|
|
|
# |
|
# Afterburner handles anchors, highlights and links |
|
# |
|
sub afterburn { |
|
my $result=shift; |
|
map { |
|
my ($name, $value) = split(/=/,$_); |
|
$value =~ tr/+/ /; |
|
$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
|
if (($name eq 'highlight')||($name eq 'anchor')||($name eq 'link')) { |
|
unless ($ENV{'form.'.$name}) { |
|
$ENV{'form.'.$name}=$value; |
|
} |
|
} |
|
} (split(/&/,$ENV{'QUERY_STRING'})); |
|
if ($ENV{'form.highlight'}) { |
|
map { |
|
my $anchorname=$_; |
|
my $matchthis=$anchorname; |
|
$matchthis=~s/\_+/\\s\+/g; |
|
$result=~s/($matchthis)/\<font color=\"red\"\>$1\<\/font\>/gs; |
|
} split(/\,/,$ENV{'form.highlight'}); |
|
} |
|
if ($ENV{'form.link'}) { |
|
map { |
|
my ($anchorname,$linkurl)=split(/\>/,$_); |
|
my $matchthis=$anchorname; |
|
$matchthis=~s/\_+/\\s\+/g; |
|
$result=~s/($matchthis)/\<a href=\"$linkurl\"\>$1\<\/a\>/gs; |
|
} split(/\,/,$ENV{'form.link'}); |
|
} |
|
if ($ENV{'form.anchor'}) { |
|
my $anchorname=$ENV{'form.anchor'}; |
|
my $matchthis=$anchorname; |
|
$matchthis=~s/\_+/\\s\+/g; |
|
$result=~s/($matchthis)/\<a name=\"$anchorname\"\>$1\<\/a\>/s; |
|
$result.=(<<"ENDSCRIPT"); |
|
<script> |
|
document.location.hash='$anchorname'; |
|
</script> |
|
ENDSCRIPT |
|
} |
|
return $result; |
|
} |
|
|
|
sub handler { |
|
my $request=shift; |
|
|
|
my $target='web'; |
|
|
|
$Apache::lonxml::debug=0; |
|
|
|
if ($ENV{'browser.mathml'}) { |
|
$request->content_type('text/xml'); |
|
} else { |
|
$request->content_type('text/html'); |
|
} |
|
|
|
# $request->print(<<ENDHEADER); |
|
#<html> |
|
#<head> |
|
#<title>Just test</title> |
|
#</head> |
|
#<body bgcolor="#FFFFFF"> |
|
#ENDHEADER |
|
# &Apache::lonhomework::send_header($request); |
|
$request->send_http_header; |
|
|
|
return OK if $request->header_only; |
|
|
|
|
|
my $file=&Apache::lonnet::filelocation("",$request->uri); |
|
my %mystyle; |
|
my $result = ''; |
|
my $filecontents=&Apache::lonnet::getfile($file); |
|
if ($filecontents == -1) { |
|
&Apache::lonxml::error("<b> Unable to find <i>$file</i></b>"); |
|
$filecontents=''; |
|
} else { |
|
$result = &Apache::lonxml::xmlparse($target,$filecontents,'',%mystyle); |
|
} |
|
|
|
$request->print($result); |
|
|
|
writeallows($request->uri); |
|
return OK; |
|
} |
|
|
|
sub debug { |
|
if ($Apache::lonxml::debug eq 1) { |
|
print "DEBUG:".$_[0]."<br />\n"; |
|
} |
|
} |
|
|
|
sub error { |
|
if (($Apache::lonxml::debug eq 1) || ($ENV{'request.state'} eq 'construct') ) { |
|
print "<b>ERROR:</b>".$_[0]."<br />\n"; |
|
} else { |
|
print "<b>An Error occured while processing this resource. The instructor has been notified.</b> <br />"; |
|
#notify author |
|
&Apache::lonmsg::author_res_msg($ENV{'request.filename'},$_[0]); |
|
#notify course |
|
if ( $ENV{'request.course.id'} ) { |
|
my $users=$ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'}; |
|
foreach my $user (split /\,/, $users) { |
|
($user,my $domain) = split /:/, $user; |
|
&Apache::lonmsg::user_normal_msg($user,$domain,"Error in $ENV{'request.filename'}",$_[0]); |
|
} |
|
} |
|
|
|
#FIXME probably shouldn't have me get everything forever. |
|
&Apache::lonmsg::user_normal_msg('albertel','msu',"Error in $ENV{'request.filename'}",$_[0]); |
|
#&Apache::lonmsg::user_normal_msg('albertel','103',"Error in $ENV{'request.filename'}",$_[0]); |
|
} |
|
} |
|
|
|
sub warning { |
|
if ($ENV{'request.state'} eq 'construct') { |
|
print "<b>W</b>ARNING<b>:</b>".$_[0]."<br />\n"; |
|
} |
|
} |
|
|
|
sub register_insert { |
|
my @data = split /\n/, &Apache::lonnet::getfile('/home/httpd/html/res/adm/includes/insertlist.tab'); |
|
my $i; |
|
my @order; |
|
for ($i=0;$i < $#data; $i++) { |
|
my $line = $data[$i]; |
|
if ( $line =~ /^\#/ || $line =~ /^\s*\n/) { next; } |
|
if ( $line =~ /TABLE/ ) { last; } |
|
my ($tag,$descrip,$function,$show) = split(/,/, $line); |
|
if ($show eq 'no') { next; } |
|
$insertlist{"$tag.description"} = $descrip; |
|
$insertlist{"$tag.function"} = $function; |
|
push (@order,$tag); |
|
} |
|
for (;$i < $#data;$i++) { |
|
my $line = $data[$i]; |
|
my ($tag,@which) = split(/ +/,$line); |
|
for (my $j=0;$j <$#which;$j++) { |
|
if ( $which[$j] eq 'Y' ) { |
|
push(@{ $insertlist{"$tag.which"} },$order[$j]); |
|
} |
|
} |
|
} |
|
} |
1; |
1; |
__END__ |
__END__ |
|
|
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