version 1.24, 2000/10/09 14:07:02
|
version 1.35, 2000/11/06 18:42:38
|
Line 2
|
Line 2
|
# XML Parser Module |
# XML Parser Module |
# |
# |
# last modified 06/26/00 by Alexander Sakharuk |
# last modified 06/26/00 by Alexander Sakharuk |
|
# 11/6 Gerd Kortemeyer |
|
|
package Apache::lonxml; |
package Apache::lonxml; |
|
use vars |
|
qw(@pwd $outputstack $redirection $textredirection $on_offimport @extlinks); |
use strict; |
use strict; |
use HTML::TokeParser; |
use HTML::TokeParser; |
use Safe; |
use Safe; |
Line 26 use Apache::run;
|
Line 28 use Apache::run;
|
use Apache::londefdef; |
use Apache::londefdef; |
use Apache::scripttag; |
use Apache::scripttag; |
#================================================== Main subroutine: xmlparse |
#================================================== Main subroutine: xmlparse |
@Apache::lonxml::pwd=(); |
@pwd=(); |
|
$outputstack = ''; |
|
$redirection = 1; |
|
$textredirection = 1; |
|
$on_offimport = 0; |
|
@extlinks=(); |
|
|
sub xmlparse { |
sub xmlparse { |
|
|
my ($target,$content_file_string,$safeinit,%style_for_target) = @_; |
my ($target,$content_file_string,$safeinit,%style_for_target) = @_; |
|
if ($target eq 'meta') |
|
{$Apache::lonxml::textredirection = 0; |
|
$Apache::lonxml::on_offimport = 1; |
|
} |
my @pars = (); |
my @pars = (); |
@Apache::lonxml::pwd=(); |
@Apache::lonxml::pwd=(); |
my $pwd=$ENV{'request.filename'}; |
my $pwd=$ENV{'request.filename'}; |
Line 40 sub xmlparse {
|
Line 52 sub xmlparse {
|
my $newarg = ''; |
my $newarg = ''; |
my $result; |
my $result; |
|
|
my $indicator = 1; |
|
my $pocketbox = ''; |
|
|
|
my $safeeval = new Safe; |
my $safeeval = new Safe; |
$safeeval->permit("entereval"); |
$safeeval->permit("entereval"); |
$safeeval->permit(":base_math"); |
$safeeval->permit(":base_math"); |
Line 50 sub xmlparse {
|
Line 59 sub xmlparse {
|
#need to inspect this class of ops |
#need to inspect this class of ops |
# $safeeval->deny(":base_orig"); |
# $safeeval->deny(":base_orig"); |
$safeinit .= ';$external::target='.$target.';'; |
$safeinit .= ';$external::target='.$target.';'; |
|
$safeinit .= ';$external::randomseed='.&Apache::lonnet::rndseed().';'; |
&Apache::run::run($safeinit,$safeeval); |
&Apache::run::run($safeinit,$safeeval); |
#-------------------- Redefinition of the target in the case of compound target |
#-------------------- Redefinition of the target in the case of compound target |
|
|
Line 62 sub xmlparse {
|
Line 72 sub xmlparse {
|
while ( $#pars > -1 ) { |
while ( $#pars > -1 ) { |
while ($token = $pars[$#pars]->get_token) { |
while ($token = $pars[$#pars]->get_token) { |
if ($token->[0] eq 'T') { |
if ($token->[0] eq 'T') { |
$result=$token->[1]; |
if ($Apache::lonxml::textredirection == 1) {$result=$token->[1];} |
# $finaloutput .= &Apache::run::evaluate($token->[1],$safeeval,''); |
# $finaloutput .= &Apache::run::evaluate($token->[1],$safeeval,''); |
} elsif ($token->[0] eq 'S') { |
} elsif ($token->[0] eq 'S') { |
|
# if ($target eq 'meta' and $token->[2]->{metaout} eq 'ON') {$Apache::lonxml::textredirection = 1;} |
# add tag to stack |
# add tag to stack |
push (@stack,$token->[1]); |
push (@stack,$token->[1]); |
# add parameters list to another stack |
# add parameters list to another stack |
Line 72 sub xmlparse {
|
Line 83 sub xmlparse {
|
&increasedepth($token); |
&increasedepth($token); |
if (exists $style_for_target{$token->[1]}) { |
if (exists $style_for_target{$token->[1]}) { |
|
|
if ($indicator == 1) { |
if ($Apache::lonxml::redirection == 1) { |
$finaloutput .= &recurse($style_for_target{$token->[1]}, |
$finaloutput .= &recurse($style_for_target{$token->[1]}, |
$target,$safeeval,\%style_for_target, |
$target,$safeeval,\%style_for_target, |
@parstack); |
@parstack); |
} else { |
} else { |
$pocketbox .= &recurse($style_for_target{$token->[1]}, |
$Apache::lonxml::outputstack .= &recurse($style_for_target{$token->[1]}, |
$target,$safeeval,\%style_for_target, |
$target,$safeeval,\%style_for_target, |
@parstack); |
@parstack); |
} |
} |
Line 85 sub xmlparse {
|
Line 96 sub xmlparse {
|
} else { |
} else { |
$result = &callsub("start_$token->[1]", $target, $token,\@parstack, |
$result = &callsub("start_$token->[1]", $target, $token,\@parstack, |
\@pars, $safeeval, \%style_for_target); |
\@pars, $safeeval, \%style_for_target); |
|
|
if ($result eq "footnote") { &Apache::lonxml::debug($result);} |
|
|
|
} |
} |
} elsif ($token->[0] eq 'E') { |
} elsif ($token->[0] eq 'E') { |
|
# if ($target eq 'meta') {$Apache::lonxml::textredirection = 0;} |
#clear out any tags that didn't end |
#clear out any tags that didn't end |
while ($token->[1] ne $stack[$#stack] |
while ($token->[1] ne $stack[$#stack] |
&& ($#stack > -1)) {pop @stack;pop @parstack;&decreasedepth($token);} |
&& ($#stack > -1)) {pop @stack;pop @parstack;&decreasedepth($token);} |
|
|
if (exists $style_for_target{'/'."$token->[1]"}) { |
if (exists $style_for_target{'/'."$token->[1]"}) { |
|
|
if ($indicator == 1) { |
if ($Apache::lonxml::redirection == 1) { |
$finaloutput .= &recurse($style_for_target{'/'."$token->[1]"}, |
$finaloutput .= &recurse($style_for_target{'/'."$token->[1]"}, |
$target,$safeeval,\%style_for_target, |
$target,$safeeval,\%style_for_target, |
@parstack); |
@parstack); |
} else { |
} else { |
$pocketbox .= &recurse($style_for_target{'/'."$token->[1]"}, |
$Apache::lonxml::outputstack .= &recurse($style_for_target{'/'."$token->[1]"}, |
$target,$safeeval,\%style_for_target, |
$target,$safeeval,\%style_for_target, |
@parstack); |
@parstack); |
} |
} |
Line 111 sub xmlparse {
|
Line 120 sub xmlparse {
|
\@pars,$safeeval, \%style_for_target); |
\@pars,$safeeval, \%style_for_target); |
} |
} |
} |
} |
if ($result ne "" ) { |
if ($result ne "") { |
if ( $#parstack > -1 ) { |
if ( $#parstack > -1 ) { |
|
|
if ($indicator == 1) { |
if ($Apache::lonxml::redirection == 1) { |
$finaloutput .= &Apache::run::evaluate($result,$safeeval, |
$finaloutput .= &Apache::run::evaluate($result,$safeeval, |
$parstack[$#parstack]); |
$parstack[$#parstack]); |
} else { |
} else { |
$pocketbox .= &Apache::run::evaluate($result,$safeeval, |
$Apache::lonxml::outputstack .= &Apache::run::evaluate($result,$safeeval, |
$parstack[$#parstack]); |
$parstack[$#parstack]); |
} |
} |
|
|
Line 126 sub xmlparse {
|
Line 135 sub xmlparse {
|
$finaloutput .= &Apache::run::evaluate($result,$safeeval,''); |
$finaloutput .= &Apache::run::evaluate($result,$safeeval,''); |
} |
} |
$result = ''; |
$result = ''; |
|
} else { |
|
$finaloutput .= $result; |
} |
} |
if ($token->[0] eq 'E') { pop @stack;pop @parstack;&decreasedepth($token);} |
if ($token->[0] eq 'E') { pop @stack;pop @parstack;&decreasedepth($token);} |
} |
} |
Line 150 sub recurse {
|
Line 161 sub recurse {
|
while ( $#pat > -1 ) { |
while ( $#pat > -1 ) { |
while ($tokenpat = $pat[$#pat]->get_token) { |
while ($tokenpat = $pat[$#pat]->get_token) { |
if ($tokenpat->[0] eq 'T') { |
if ($tokenpat->[0] eq 'T') { |
$partstring = $tokenpat->[1]; |
if ($Apache::lonxml::textredirection == 1) {$partstring = $tokenpat->[1];} |
} elsif ($tokenpat->[0] eq 'S') { |
} elsif ($tokenpat->[0] eq 'S') { |
push (@innerstack,$tokenpat->[1]); |
push (@innerstack,$tokenpat->[1]); |
push (@innerparstack,&parstring($tokenpat)); |
push (@innerparstack,&parstring($tokenpat)); |
Line 202 sub callsub {
|
Line 213 sub callsub {
|
my $sub1; |
my $sub1; |
no strict 'refs'; |
no strict 'refs'; |
if (my $space=$Apache::lonxml::alltags{$token->[1]}) { |
if (my $space=$Apache::lonxml::alltags{$token->[1]}) { |
# &Apache::lonxml::debug("Calling sub $sub in $space<br>\n"); |
#&Apache::lonxml::debug("Calling sub $sub in $space<br>\n"); |
# if ( $sub eq "start_parserlib" ) { |
|
# print "me:".%$style.":\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, |
$currentstring = &$sub1($target,$token,$parstack,$parser, |
$safeeval,$style); |
$safeeval,$style); |
# if ( $sub eq "start_parserlib" ) { |
|
# print "me2:".%$style.":"; |
|
# } |
|
} else { |
} else { |
#&Apache::lonxml::debug("NOT Calling sub $sub in $space<br>\n"); |
#&Apache::lonxml::debug("NOT Calling sub $sub in $space<br>\n"); |
if (defined($token->[4])) { |
if (defined($token->[4])) { |
Line 291 sub parstring {
|
Line 296 sub parstring {
|
my ($token) = @_; |
my ($token) = @_; |
my $temp=''; |
my $temp=''; |
map { |
map { |
if ($_=~/\w+/) { |
unless ($_=~/\W/) { |
$temp .= "my \$$_=\"$token->[2]->{$_}\";" |
$temp .= "my \$$_=\"$token->[2]->{$_}\";" |
} |
} |
} @{$token->[3]}; |
} @{$token->[3]}; |
return $temp; |
return $temp; |
} |
} |
#<<<<<<< lonxml.pm |
|
|
sub writeallows { |
|
my $thisurl='/res/'.&Apache::lonnet::declutter(shift); |
|
my $thisdir=$thisurl; |
|
$thisdir=~s/\/[^\/]+$//; |
|
my %httpref=(); |
|
map { |
|
$httpref{'httpref.'. |
|
&Apache::lonnet::hreflocation($thisdir,$_)}=$thisurl; } @extlinks; |
|
&Apache::lonnet::appenv(%httpref); |
|
} |
|
|
sub handler { |
sub handler { |
my $request=shift; |
my $request=shift; |
|
|
my $target='web'; |
my $target='web'; |
$Apache::lonxml::debug=1; |
$Apache::lonxml::debug=1; |
$request->content_type('text/html'); |
if ($ENV{'browser.mathml'}) { |
$request->send_http_header; |
$request->content_type('text/xml'); |
$request->print(<<ENDHEADER); |
} else { |
<html> |
$request->content_type('text/html'); |
<head> |
} |
<title>Just test</title> |
|
</head> |
# $request->print(<<ENDHEADER); |
<body bgcolor="#FFFFFF"> |
#<html> |
ENDHEADER |
#<head> |
|
#<title>Just test</title> |
|
#</head> |
|
#<body bgcolor="#FFFFFF"> |
|
#ENDHEADER |
# &Apache::lonhomework::send_header($request); |
# &Apache::lonhomework::send_header($request); |
|
$request->send_http_header; |
|
|
|
return 'OK' if $request->header_only; |
|
|
|
$request->print(&Apache::lontexconvert::header()); |
|
|
|
$request->print('<body bgcolor="#FFFFFF">'."\n"); |
|
|
my $file = "/home/httpd/html".$request->uri; |
my $file = "/home/httpd/html".$request->uri; |
my %mystyle; |
my %mystyle; |
my $result = ''; |
my $result = ''; |
$result = Apache::lonxml::xmlparse($target, &Apache::lonnet::getfile($file),'',%mystyle); |
$result = Apache::lonxml::xmlparse($target, &Apache::lonnet::getfile($file),'',%mystyle); |
# $request->print("Result follows:"); |
|
$request->print($result); |
$request->print($result); |
# $request->print(":Result ends"); |
|
|
$request->print('</body>'); |
|
$request->print(&Apache::lontexconvert::footer()); |
|
writeallows($request->uri); |
|
return 'OK'; |
} |
} |
|
|
$Apache::lonxml::debug=0; |
$Apache::lonxml::debug=0; |
Line 343 __END__
|
Line 373 __END__
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|