version 1.67, 2001/03/30 01:42:23
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version 1.72, 2001/05/04 21:17:24
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# 11/6 Gerd Kortemeyer |
# 11/6 Gerd Kortemeyer |
# 6/1/1 Gerd Kortemeyer |
# 6/1/1 Gerd Kortemeyer |
# 2/21,3/13 Guy |
# 2/21,3/13 Guy |
# 3/29 Gerd Kortemeyer |
# 3/29,5/4 Gerd Kortemeyer |
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package Apache::lonxml; |
package Apache::lonxml; |
use vars |
use vars |
qw(@pwd @outputstack $redirection $import @extlinks $metamode); |
qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate); |
use strict; |
use strict; |
use HTML::TokeParser; |
use HTML::TokeParser; |
use Safe; |
use Safe; |
use Safe::Hole; |
use Safe::Hole; |
use Opcode; |
use Opcode; |
use Apache::Constants qw(:common); |
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sub register { |
sub register { |
my $space; |
my $space; |
Line 27 sub register {
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Line 26 sub register {
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} |
} |
} |
} |
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sub printalltags { |
use Apache::Constants qw(:common); |
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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use Apache::style; |
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use Apache::lontexconvert; |
use Apache::lontexconvert; |
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use Apache::style; |
use Apache::run; |
use Apache::run; |
use Apache::londefdef; |
use Apache::londefdef; |
use Apache::scripttag; |
use Apache::scripttag; |
use Apache::edit; |
use Apache::edit; |
#================================================== Main subroutine: xmlparse |
#================================================== 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 |
@pwd=(); |
@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 |
@outputstack = (); |
@outputstack = (); |
$redirection = 0; |
$redirection = 0; |
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#controls wheter the <import> tag actually does |
$import = 1; |
$import = 1; |
@extlinks=(); |
@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) |
$metamode = 0; |
$metamode = 0; |
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# turns on and of run::evaluate actually derefencing var refs |
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$evaluate = 1; |
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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 xmlend { |
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return '</html>'; |
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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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} |
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return $headerstring; |
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} |
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sub registerurl { |
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return (<<ENDSCRIPT); |
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<script language="JavaScript"> |
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// BEGIN LON-CAPA Internal |
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function LONCAPAreg() { |
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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.currentURL=window.location.pathname; |
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menu.currentStale=0; |
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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 { |
sub xmlparse { |
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my ($target,$content_file_string,$safeinit,%style_for_target) = @_; |
my ($target,$content_file_string,$safeinit,%style_for_target) = @_; |
if ($target eq 'meta') { |
if ($target eq 'meta') { |
# 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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$Apache::lonxml::redirection = 0; |
$Apache::lonxml::redirection = 0; |
$Apache::lonxml::metamode = 1; |
$Apache::lonxml::metamode = 1; |
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$Apache::lonxml::evaluate = 1; |
$Apache::lonxml::import = 0; |
$Apache::lonxml::import = 0; |
} elsif ($target eq 'grade') { |
} elsif ($target eq 'grade') { |
&startredirection; |
&startredirection; |
$Apache::lonxml::metamode = 0; |
$Apache::lonxml::metamode = 0; |
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$Apache::lonxml::evaluate = 1; |
$Apache::lonxml::import = 1; |
$Apache::lonxml::import = 1; |
} else { |
} elsif ($target eq 'modified') { |
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$Apache::lonxml::redirection = 0; |
$Apache::lonxml::metamode = 0; |
$Apache::lonxml::metamode = 0; |
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$Apache::lonxml::evaluate = 0; |
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$Apache::lonxml::import = 0; |
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} else { |
$Apache::lonxml::redirection = 0; |
$Apache::lonxml::redirection = 0; |
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$Apache::lonxml::metamode = 0; |
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$Apache::lonxml::evaluate = 1; |
$Apache::lonxml::import = 1; |
$Apache::lonxml::import = 1; |
} |
} |
#&printalltags(); |
#&printalltags(); |
Line 248 sub recurse {
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Line 330 sub recurse {
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sub callsub { |
sub callsub { |
my ($sub,$target,$token,$parstack,$parser,$safeeval,$style)=@_; |
my ($sub,$target,$token,$parstack,$parser,$safeeval,$style)=@_; |
my $currentstring=''; |
my $currentstring=''; |
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my $nodefault; |
{ |
{ |
my $sub1; |
my $sub1; |
no strict 'refs'; |
no strict 'refs'; |
Line 255 sub callsub {
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Line 338 sub callsub {
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$currentstring = &Apache::edit::tag_start($target,$token,$parstack,$parser, |
$currentstring = &Apache::edit::tag_start($target,$token,$parstack,$parser, |
$safeeval,$style); |
$safeeval,$style); |
} |
} |
if (my $space=$Apache::lonxml::alltags{$token->[1]}) { |
my $tag=$token->[1]; |
# &Apache::lonxml::debug("Calling sub $sub in $space $metamode<br />\n"); |
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"); |
$sub1="$space\:\:$sub"; |
$sub1="$space\:\:$sub"; |
$Apache::lonxml::curdepth=join('_',@Apache::lonxml::depthcounter); |
$Apache::lonxml::curdepth=join('_',@Apache::lonxml::depthcounter); |
$currentstring .= &$sub1($target,$token,$parstack,$parser, |
($currentstring,$nodefault) = &$sub1($target,$token,$parstack,$parser, |
$safeeval,$style); |
$safeeval,$style); |
} else { |
} else { |
# &Apache::lonxml::debug("NOT Calling sub $sub in $space $metamode<br />\n"); |
#&Apache::lonxml::debug("NOT Calling sub $sub in $space $metamode<br />\n"); |
if ($metamode <1) { |
if ($metamode <1) { |
if (defined($token->[4]) && ($metamode < 1)) { |
if (defined($token->[4]) && ($metamode < 1)) { |
$currentstring .= $token->[4]; |
$currentstring = $token->[4]; |
} else { |
} else { |
$currentstring .= $token->[2]; |
$currentstring = $token->[2]; |
} |
} |
} |
} |
} |
} |
if ($target eq 'edit' && $token->[0] eq 'E') { |
&Apache::lonxml::debug("nodefalt:$nodefault:"); |
$currentstring .= &Apache::edit::tag_end($target,$token,$parstack,$parser, |
if ($currentstring eq '' && $nodefault eq '') { |
$safeeval,$style); |
if ($target eq 'edit') { |
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if ($token->[0] eq 'S') { |
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$currentstring = &Apache::edit::tag_start($token,$target); |
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} elsif ($token->[0] eq 'E') { |
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$currentstring = &Apache::edit::tag_end($token,$target); |
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} |
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} elsif ($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 = $token->[2]; |
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} |
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} |
} |
} |
use strict 'refs'; |
use strict 'refs'; |
} |
} |
Line 287 sub startredirection {
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Line 389 sub startredirection {
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sub endredirection { |
sub endredirection { |
if (!$Apache::lonxml::redirection) { |
if (!$Apache::lonxml::redirection) { |
&Apache::lonxml::error("Endredirection was called, before a startredirection, perhaps you have unbalanced tags. Some debuggin information:".join ":",caller); |
&Apache::lonxml::error("Endredirection was called, before a startredirection, perhaps you have unbalanced tags. Some debuging information:".join ":",caller); |
return ''; |
return ''; |
} |
} |
$Apache::lonxml::redirection--; |
$Apache::lonxml::redirection--; |
Line 417 sub writeallows {
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Line 519 sub writeallows {
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# |
# |
# Afterburner handles anchors, highlights and links |
# Afterburner handles anchors, highlights and links |
# |
# |
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sub afterburn { |
sub afterburn { |
my $result=shift; |
my $result=shift; |
map { |
map { |
Line 462 ENDSCRIPT
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Line 563 ENDSCRIPT
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sub handler { |
sub handler { |
my $request=shift; |
my $request=shift; |
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my $target='web'; |
my $target='web'; |
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$Apache::lonxml::debug=0; |
$Apache::lonxml::debug=0; |
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if ($ENV{'browser.mathml'}) { |
if ($ENV{'browser.mathml'}) { |
$request->content_type('text/xml'); |
$request->content_type('text/xml'); |
} else { |
} else { |
Line 483 sub handler {
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Line 586 sub handler {
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return OK if $request->header_only; |
return OK if $request->header_only; |
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if ($target eq 'web') { |
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$request->print(&Apache::lontexconvert::header()); |
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$request->print('<body bgcolor="#FFFFFF">'."\n"); |
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} |
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my $file=&Apache::lonnet::filelocation("",$request->uri); |
my $file=&Apache::lonnet::filelocation("",$request->uri); |
my %mystyle; |
my %mystyle; |
Line 499 sub handler {
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Line 598 sub handler {
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$result = &Apache::lonxml::xmlparse($target,$filecontents,'',%mystyle); |
$result = &Apache::lonxml::xmlparse($target,$filecontents,'',%mystyle); |
} |
} |
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if ($target eq 'tex') { |
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# $request->print('\end{document}'."\n"); |
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} elsif ($target eq 'web') { |
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$request->print('</body>'); |
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$request->print(&Apache::lontexconvert::footer()); |
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} |
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$request->print($result); |
$request->print($result); |
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writeallows($request->uri); |
writeallows($request->uri); |
return OK; |
return OK; |
} |
} |
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$Apache::lonxml::debug=0; |
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sub debug { |
sub debug { |
if ($Apache::lonxml::debug eq 1) { |
if ($Apache::lonxml::debug eq 1) { |
print "DEBUG:".$_[0]."<br />\n"; |
print "DEBUG:".$_[0]."<br />\n"; |
Line 542 sub error {
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Line 633 sub error {
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} |
} |
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sub warning { |
sub warning { |
if ($Apache::lonxml::debug eq 1) { |
#if ($Apache::lonxml::debug eq 1) { |
print "<b>W</b>ARNING<b>:</b>".$_[0]."<br />\n"; |
print "<b>W</b>ARNING<b>:</b>".$_[0]."<br />\n"; |
} |
# } |
} |
} |
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1; |
1; |
__END__ |
__END__ |
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