--- loncom/xml/lonxml.pm 2000/10/09 14:07:02 1.24
+++ loncom/xml/lonxml.pm 2000/11/06 14:32:35 1.32
@@ -27,9 +27,18 @@ use Apache::londefdef;
use Apache::scripttag;
#================================================== Main subroutine: xmlparse
@Apache::lonxml::pwd=();
+$Apache::lonxml::outputstack = '';
+$Apache::lonxml::redirection = 1;
+$Apache::lonxml::textredirection = 1;
+$Apache::lonxml::on_offimport = 0;
+
sub xmlparse {
my ($target,$content_file_string,$safeinit,%style_for_target) = @_;
+ if ($target eq 'meta')
+ {$Apache::lonxml::textredirection = 0;
+ $Apache::lonxml::on_offimport = 1;
+ }
my @pars = ();
@Apache::lonxml::pwd=();
my $pwd=$ENV{'request.filename'};
@@ -40,9 +49,6 @@ sub xmlparse {
my $newarg = '';
my $result;
- my $indicator = 1;
- my $pocketbox = '';
-
my $safeeval = new Safe;
$safeeval->permit("entereval");
$safeeval->permit(":base_math");
@@ -50,6 +56,7 @@ sub xmlparse {
#need to inspect this class of ops
# $safeeval->deny(":base_orig");
$safeinit .= ';$external::target='.$target.';';
+ $safeinit .= ';$external::randomseed='.&Apache::lonnet::rndseed().';';
&Apache::run::run($safeinit,$safeeval);
#-------------------- Redefinition of the target in the case of compound target
@@ -62,9 +69,10 @@ sub xmlparse {
while ( $#pars > -1 ) {
while ($token = $pars[$#pars]->get_token) {
if ($token->[0] eq 'T') {
- $result=$token->[1];
+ if ($Apache::lonxml::textredirection == 1) {$result=$token->[1];}
# $finaloutput .= &Apache::run::evaluate($token->[1],$safeeval,'');
} elsif ($token->[0] eq 'S') {
+# if ($target eq 'meta' and $token->[2]->{metaout} eq 'ON') {$Apache::lonxml::textredirection = 1;}
# add tag to stack
push (@stack,$token->[1]);
# add parameters list to another stack
@@ -72,12 +80,12 @@ sub xmlparse {
&increasedepth($token);
if (exists $style_for_target{$token->[1]}) {
- if ($indicator == 1) {
+ if ($Apache::lonxml::redirection == 1) {
$finaloutput .= &recurse($style_for_target{$token->[1]},
$target,$safeeval,\%style_for_target,
@parstack);
} else {
- $pocketbox .= &recurse($style_for_target{$token->[1]},
+ $Apache::lonxml::outputstack .= &recurse($style_for_target{$token->[1]},
$target,$safeeval,\%style_for_target,
@parstack);
}
@@ -85,23 +93,21 @@ sub xmlparse {
} else {
$result = &callsub("start_$token->[1]", $target, $token,\@parstack,
\@pars, $safeeval, \%style_for_target);
-
- if ($result eq "footnote") { &Apache::lonxml::debug($result);}
-
}
} elsif ($token->[0] eq 'E') {
+# if ($target eq 'meta') {$Apache::lonxml::textredirection = 0;}
#clear out any tags that didn't end
while ($token->[1] ne $stack[$#stack]
&& ($#stack > -1)) {pop @stack;pop @parstack;&decreasedepth($token);}
if (exists $style_for_target{'/'."$token->[1]"}) {
- if ($indicator == 1) {
+ if ($Apache::lonxml::redirection == 1) {
$finaloutput .= &recurse($style_for_target{'/'."$token->[1]"},
$target,$safeeval,\%style_for_target,
@parstack);
} else {
- $pocketbox .= &recurse($style_for_target{'/'."$token->[1]"},
+ $Apache::lonxml::outputstack .= &recurse($style_for_target{'/'."$token->[1]"},
$target,$safeeval,\%style_for_target,
@parstack);
}
@@ -111,14 +117,14 @@ sub xmlparse {
\@pars,$safeeval, \%style_for_target);
}
}
- if ($result ne "" ) {
+ if ($result ne "") {
if ( $#parstack > -1 ) {
- if ($indicator == 1) {
+ if ($Apache::lonxml::redirection == 1) {
$finaloutput .= &Apache::run::evaluate($result,$safeeval,
$parstack[$#parstack]);
} else {
- $pocketbox .= &Apache::run::evaluate($result,$safeeval,
+ $Apache::lonxml::outputstack .= &Apache::run::evaluate($result,$safeeval,
$parstack[$#parstack]);
}
@@ -126,6 +132,8 @@ sub xmlparse {
$finaloutput .= &Apache::run::evaluate($result,$safeeval,'');
}
$result = '';
+ } else {
+ $finaloutput .= $result;
}
if ($token->[0] eq 'E') { pop @stack;pop @parstack;&decreasedepth($token);}
}
@@ -150,7 +158,7 @@ sub recurse {
while ( $#pat > -1 ) {
while ($tokenpat = $pat[$#pat]->get_token) {
if ($tokenpat->[0] eq 'T') {
- $partstring = $tokenpat->[1];
+ if ($Apache::lonxml::textredirection == 1) {$partstring = $tokenpat->[1];}
} elsif ($tokenpat->[0] eq 'S') {
push (@innerstack,$tokenpat->[1]);
push (@innerparstack,&parstring($tokenpat));
@@ -202,17 +210,11 @@ sub callsub {
my $sub1;
no strict 'refs';
if (my $space=$Apache::lonxml::alltags{$token->[1]}) {
-# &Apache::lonxml::debug("Calling sub $sub in $space
\n");
-# if ( $sub eq "start_parserlib" ) {
-# print "me:".%$style.":\n";
-# }
+ #&Apache::lonxml::debug("Calling sub $sub in $space
\n");
$sub1="$space\:\:$sub";
$Apache::lonxml::curdepth=join('_',@Apache::lonxml::depthcounter);
$currentstring = &$sub1($target,$token,$parstack,$parser,
$safeeval,$style);
-# if ( $sub eq "start_parserlib" ) {
-# print "me2:".%$style.":";
-# }
} else {
#&Apache::lonxml::debug("NOT Calling sub $sub in $space
\n");
if (defined($token->[4])) {
@@ -297,30 +299,43 @@ sub parstring {
} @{$token->[3]};
return $temp;
}
-#<<<<<<< lonxml.pm
sub handler {
my $request=shift;
my $target='web';
$Apache::lonxml::debug=1;
- $request->content_type('text/html');
- $request->send_http_header;
- $request->print(<
-
-Just test
-
-
-ENDHEADER
+ if ($ENV{'browser.mathml'}) {
+ $request->content_type('text/xml');
+ } else {
+ $request->content_type('text/html');
+ }
+
+# $request->print(<
+#
+#Just test
+#
+#
+#ENDHEADER
# &Apache::lonhomework::send_header($request);
+ $request->send_http_header;
+
+ return 'OK' if $request->header_only;
+
+ $request->print(&Apache::lontexconvert::header());
+
+ $request->print(''."\n");
+
my $file = "/home/httpd/html".$request->uri;
my %mystyle;
my $result = '';
$result = Apache::lonxml::xmlparse($target, &Apache::lonnet::getfile($file),'',%mystyle);
-# $request->print("Result follows:");
$request->print($result);
-# $request->print(":Result ends");
+
+ $request->print('');
+ $request->print(&Apache::lontexconvert::footer());
+ return 'OK';
}
$Apache::lonxml::debug=0;
@@ -343,5 +358,18 @@ __END__
+
+
+
+
+
+
+
+
+
+
+
+
+