--- loncom/xml/lonxml.pm 2001/06/02 03:59:59 1.84
+++ loncom/xml/lonxml.pm 2001/07/12 15:26:03 1.101
@@ -9,6 +9,9 @@
# 5/10 Scott Harrison
# 5/26 Gerd Kortemeyer
# 5/27 H. K. Ng
+# 6/2,6/3,6/8,6/9 Gerd Kortemeyer
+# 6/12,6/13 H. K. Ng
+# 6/16 Gerd Kortemeyer
package Apache::lonxml;
use vars
@@ -18,6 +21,7 @@ use HTML::TokeParser;
use Safe;
use Safe::Hole;
use Math::Cephes qw(:trigs :hypers :bessels erf erfc);
+use Math::Random qw(:all);
use Opcode;
sub register {
@@ -66,9 +70,12 @@ $evaluate = 1;
# data structure for eidt mode, determines what tags can go into what other tags
%insertlist=();
-#stores the list of active tag namespaces
+# stores the list of active tag namespaces
@namespace=();
+# has the dynamic menu been updated to know about this resource
+$Apache::lonxml::registered=0;
+
sub xmlbegin {
my $output='';
if ($ENV{'browser.mathml'}) {
@@ -98,26 +105,112 @@ sub fontsettings() {
}
sub registerurl {
- return (<<ENDSCRIPT);
+ my $forcereg=shift;
+ if ($Apache::lonxml::registered) { return ''; }
+ if (($ENV{'REQUEST_URI'}!~/^\/(res\/)*adm\//) || ($forcereg)) {
+ my $hwkadd='';
+ if ($ENV{'REQUEST_URI'}=~/\.(problem|exam|quiz|assess|survey|form)$/) {
+ if (&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) {
+ $hwkadd.=(<<ENDSUBM);
+ menu.switchbutton
+ (7,1,'subm.gif','view sub','missions',
+ 'gocmd("/adm/grades","submission")');
+ENDSUBM
+ }
+ if (&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'})) {
+ $hwkadd.=(<<ENDGRDS);
+ menu.switchbutton
+ (7,2,'pgrd.gif','problem','grades',
+ 'gocmd("/adm/grades","viewgrades")');
+ENDGRDS
+ }
+ if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
+ $hwkadd.=(<<ENDPARM);
+ menu.switchbutton
+ (7,3,'pparm.gif','problem','parms',
+ 'gocmd("/adm/parmset","set")');
+ENDPARM
+ }
+ }
+ return (<<ENDREGTHIS);
+
<script language="JavaScript">
// BEGIN LON-CAPA Internal
+
function LONCAPAreg() {
- if (window.location.pathname!="/res/adm/pages/menu.html") {
menu=window.open("","LONCAPAmenu");
+ menu.clearTimeout(menu.menucltim);
menu.currentURL=window.location.pathname;
menu.currentStale=0;
- }
+ menu.clearbut(3,1);
+ menu.switchbutton
+ (8,1,'eval.gif','evaluate','this','gopost("/adm/evaluate",currentURL)');
+ menu.switchbutton
+ (8,2,'fdbk.gif','feedback','on this','gopost("/adm/feedback",currentURL)');
+ menu.switchbutton
+ (8,3,'prt.gif','prepare','printout','gopost("/adm/printout",currentURL)');
+ menu.switchbutton
+ (2,1,'back.gif','backward','','gopost("/adm/flip","back:"+currentURL)');
+ menu.switchbutton
+ (2,3,'forw.gif','forward','','gopost("/adm/flip","forward:"+currentURL)');
+ menu.switchbutton
+ (9,1,'sbkm.gif','set','bookmark','set_bookmark()');
+ menu.switchbutton
+ (9,2,'vbkm.gif','view','bookmark','edit_bookmarks()');
+ menu.switchbutton
+ (9,3,'anot.gif','anno-','tations','annotate()');
+ $hwkadd
}
-
+
function LONCAPAstale() {
- if (window.location.pathname!="/res/adm/pages/menu.html") {
menu=window.open("","LONCAPAmenu");
menu.currentStale=1;
- }
+ menu.switchbutton
+ (3,1,'reload.gif','return','location','go(currentURL)');
+ menu.clearbut(7,1);
+ menu.clearbut(7,2);
+ menu.clearbut(7,3);
+ menu.menucltim=menu.setTimeout(
+ 'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+
+ 'clearbut(9,1);clearbut(9,2);clearbut(9,3);',
+ 2000);
+
+ }
+
+// END LON-CAPA Internal
+</script>
+ENDREGTHIS
+
+ } else {
+ return (<<ENDDONOTREGTHIS);
+
+<script language="JavaScript">
+// BEGIN LON-CAPA Internal
+
+ function LONCAPAreg() {
+ menu=window.open("","LONCAPAmenu");
+ menu.currentStale=1;
+ menu.clearbut(2,1);
+ menu.clearbut(2,3);
+ menu.clearbut(8,1);
+ menu.clearbut(8,2);
+ menu.clearbut(8,3);
+ if (menu.currentURL) {
+ menu.switchbutton
+ (3,1,'reload.gif','return','location','go(currentURL)');
+ } else {
+ menu.clearbut(3,1);
+ }
+ }
+
+ function LONCAPAstale() {
}
+
// END LON-CAPA Internal
</script>
-ENDSCRIPT
+ENDDONOTREGTHIS
+
+ }
}
sub loadevents() {
@@ -136,39 +229,14 @@ sub printalltags {
}
sub xmlparse {
-
my ($target,$content_file_string,$safeinit,%style_for_target) = @_;
- if ($target eq 'meta') {
- $Apache::lonxml::redirection = 0;
- $Apache::lonxml::metamode = 1;
- $Apache::lonxml::evaluate = 1;
- $Apache::lonxml::import = 0;
- } elsif ($target eq 'grade') {
- &startredirection;
- $Apache::lonxml::metamode = 0;
- $Apache::lonxml::evaluate = 1;
- $Apache::lonxml::import = 1;
- } elsif ($target eq 'modified') {
- $Apache::lonxml::redirection = 0;
- $Apache::lonxml::metamode = 0;
- $Apache::lonxml::evaluate = 0;
- $Apache::lonxml::import = 0;
- } else {
- $Apache::lonxml::redirection = 0;
- $Apache::lonxml::metamode = 0;
- $Apache::lonxml::evaluate = 1;
- $Apache::lonxml::import = 1;
- }
+
+ &setup_globals($target);
#&printalltags();
my @pars = ();
- @Apache::lonxml::pwd=();
my $pwd=$ENV{'request.filename'};
$pwd =~ s:/[^/]*$::;
&newparser(\@pars,\$content_file_string,$pwd);
- my $currentstring = '';
- my $finaloutput = '';
- my $newarg = '';
- my $result;
my $safeeval = new Safe;
my $safehole = new Safe::Hole;
@@ -180,94 +248,107 @@ sub xmlparse {
my @stack = ();
my @parstack = ();
&initdepth;
- my $token;
- while ( $#pars > -1 ) {
- while ($token = $pars[$#pars]->get_token) {
- if (($token->[0] eq 'T') || ($token->[0] eq 'C') || ($token->[0] eq 'D') ) {
- if ($metamode<1) { $result=$token->[1]; }
- } elsif ($token->[0] eq 'PI') {
- if ($metamode<1) { $result=$token->[2]; }
- } elsif ($token->[0] eq 'S') {
- # add tag to stack
- push (@stack,$token->[1]);
- # add parameters list to another stack
- push (@parstack,&parstring($token));
- &increasedepth($token);
- if (exists $style_for_target{$token->[1]}) {
- if ($Apache::lonxml::redirection) {
- $Apache::lonxml::outputstack['-1'] .=
- &recurse($style_for_target{$token->[1]},$target,$safeeval,
- \%style_for_target,@parstack);
- } else {
- $finaloutput .= &recurse($style_for_target{$token->[1]},$target,
- $safeeval,\%style_for_target,@parstack);
- }
- } else {
- $result = &callsub("start_$token->[1]", $target, $token, \@stack,
- \@parstack, \@pars, $safeeval, \%style_for_target);
- }
- } elsif ($token->[0] eq 'E') {
- #clear out any tags that didn't end
- while ($token->[1] ne $stack[$#stack] && ($#stack > -1)) {
- &Apache::lonxml::warning("Unbalanced tags in resource $stack['-1']");
- pop @stack;pop @parstack;&decreasedepth($token);
- }
-
- if (exists $style_for_target{'/'."$token->[1]"}) {
- if ($Apache::lonxml::redirection) {
- $Apache::lonxml::outputstack['-1'] .=
- &recurse($style_for_target{'/'."$token->[1]"},
- $target,$safeeval,\%style_for_target,@parstack);
- } else {
- $finaloutput .= &recurse($style_for_target{'/'."$token->[1]"},
- $target,$safeeval,\%style_for_target,
- @parstack);
- }
- } else {
- $result = &callsub("end_$token->[1]", $target, $token, \@stack,
- \@parstack, \@pars,$safeeval, \%style_for_target);
- }
- } else {
- &Apache::lonxml::error("Unknown token event :$token->[0]:$token->[1]:");
- }
- #evaluate variable refs in result
- if ($result ne "") {
- if ( $#parstack > -1 ) {
- if ($Apache::lonxml::redirection) {
- $Apache::lonxml::outputstack['-1'] .=
- &Apache::run::evaluate($result,$safeeval,$parstack[$#parstack]);
- } else {
- $finaloutput .= &Apache::run::evaluate($result,$safeeval,
- $parstack[$#parstack]);
- }
- } else {
- $finaloutput .= &Apache::run::evaluate($result,$safeeval,'');
- }
- $result = '';
- }
- if ($token->[0] eq 'E') {
- pop @stack;pop @parstack;&decreasedepth($token);
- }
- }
- pop @pars;
- pop @Apache::lonxml::pwd;
- }
+ my $finaloutput = &inner_xmlparse($target,\@stack,\@parstack,\@pars,
+ $safeeval,\%style_for_target);
-# if ($target eq 'meta') {
-# $finaloutput.=&endredirection;
-# }
+ return $finaloutput;
+}
- if (($ENV{'QUERY_STRING'}) && ($target eq 'web')) {
- $finaloutput=&afterburn($finaloutput);
+sub inner_xmlparse {
+ my ($target,$stack,$parstack,$pars,$safeeval,$style_for_target)=@_;
+ &Apache::lonxml::debug('Reentrant parser starting, again?');
+ my $finaloutput = '';
+ my $result;
+ my $token;
+ while ( $#$pars > -1 ) {
+ while ($token = $$pars['-1']->get_token) {
+ if (($token->[0] eq 'T') || ($token->[0] eq 'C') || ($token->[0] eq 'D') ) {
+ if ($metamode<1) {
+ $result=$token->[1];
+ }
+ } elsif ($token->[0] eq 'PI') {
+ if ($metamode<1) {
+ $result=$token->[2];
+ }
+ } elsif ($token->[0] eq 'S') {
+ # add tag to stack
+ push (@$stack,$token->[1]);
+ # add parameters list to another stack
+ push (@$parstack,&parstring($token));
+ &increasedepth($token);
+ if (exists $$style_for_target{$token->[1]}) {
+ if ($Apache::lonxml::redirection) {
+ $Apache::lonxml::outputstack['-1'] .=
+ &recurse($$style_for_target{$token->[1]},$target,$safeeval,
+ $style_for_target,@$parstack);
+ } else {
+ $finaloutput .= &recurse($$style_for_target{$token->[1]},$target,
+ $safeeval,$style_for_target,@$parstack);
+ }
+ } else {
+ $result = &callsub("start_$token->[1]", $target, $token, $stack,
+ $parstack, $pars, $safeeval, $style_for_target);
+ }
+ } elsif ($token->[0] eq 'E') {
+ #clear out any tags that didn't end
+ while ($token->[1] ne $$stack['-1'] && ($#$stack > -1)) {
+ &Apache::lonxml::warning("Unbalanced tags in resource $$stack['-1']");
+ &end_tag($stack,$parstack,$token);
+ }
+
+ if (exists $$style_for_target{'/'."$token->[1]"}) {
+ if ($Apache::lonxml::redirection) {
+ $Apache::lonxml::outputstack['-1'] .=
+ &recurse($$style_for_target{'/'."$token->[1]"},
+ $target,$safeeval,$style_for_target,@$parstack);
+ } else {
+ $finaloutput .= &recurse($$style_for_target{'/'."$token->[1]"},
+ $target,$safeeval,$style_for_target,
+ @$parstack);
+ }
+
+ } else {
+ $result = &callsub("end_$token->[1]", $target, $token, $stack,
+ $parstack, $pars,$safeeval, $style_for_target);
+ }
+ } else {
+ &Apache::lonxml::error("Unknown token event :$token->[0]:$token->[1]:");
+ }
+ #evaluate variable refs in result
+ if ($result ne "") {
+ if ( $#$parstack > -1 ) {
+ if ($Apache::lonxml::redirection) {
+ $Apache::lonxml::outputstack['-1'] .=
+ &Apache::run::evaluate($result,$safeeval,$$parstack['-1']);
+ } else {
+ $finaloutput .= &Apache::run::evaluate($result,$safeeval,
+ $$parstack['-1']);
+ }
+ } else {
+ $finaloutput .= &Apache::run::evaluate($result,$safeeval,'');
+ }
+ $result = '';
+ }
+ if ($token->[0] eq 'E') {
+ &end_tag($stack,$parstack,$token);
+ }
+ }
+ pop @$pars;
+ pop @Apache::lonxml::pwd;
}
- return $finaloutput;
-}
+ # if ($target eq 'meta') {
+ # $finaloutput.=&endredirection;
+ # }
+ if (($ENV{'QUERY_STRING'}) && ($target eq 'web')) {
+ $finaloutput=&afterburn($finaloutput);
+ }
+ return $finaloutput;
+}
sub recurse {
-
my @innerstack = ();
my @innerparstack = ();
my ($newarg,$target,$safeeval,$style_for_target,@parstack) = @_;
@@ -295,7 +376,7 @@ sub recurse {
while ($tokenpat->[1] ne $innerstack[$#innerstack]
&& ($#innerstack > -1)) {
&Apache::lonxml::warning("Unbalanced tags in resource $innerstack['-1']");
- pop @innerstack;pop @innerparstack;&decreasedepth($tokenpat);
+ &end_tag(\@innerstack,\@innerparstack,$tokenpat);
}
$partstring = &callsub("end_$tokenpat->[1]", $target, $tokenpat,
\@innerstack, \@innerparstack, \@pat,
@@ -338,11 +419,6 @@ sub callsub {
{
my $sub1;
no strict 'refs';
- if ($target eq 'edit' && $token->[0] eq 'S') {
- $currentstring = &Apache::edit::tag_start($target,$token,$tagstack,
- $parstack,$parser,
- $safeeval,$style);
- }
my $tag=$token->[1];
my $space=$Apache::lonxml::alltags{$tag};
if (!$space) {
@@ -350,38 +426,47 @@ sub callsub {
$sub=~tr/A-Z/a-z/;
$space=$Apache::lonxml::alltags{$tag}
}
- if ($space) {
- #&Apache::lonxml::debug("Calling sub $sub in $space $metamode<br />\n");
- $sub1="$space\:\:$sub";
- $Apache::lonxml::curdepth=join('_',@Apache::lonxml::depthcounter);
- ($currentstring,$nodefault) = &$sub1($target,$token,$tagstack,
- $parstack,$parser,$safeeval,
- $style);
- } else {
- #&Apache::lonxml::debug("NOT Calling sub $sub in $space $metamode<br />\n");
- if ($metamode <1) {
- if (defined($token->[4]) && ($metamode < 1)) {
- $currentstring = $token->[4];
- } else {
- $currentstring = $token->[2];
+
+ my $deleted=0;
+ $Apache::lonxml::curdepth=join('_',@Apache::lonxml::depthcounter);
+ if (($token->[0] eq 'S') && ($target eq 'modified')) {
+ $deleted=&Apache::edit::handle_delete($space,$target,$token,$tagstack,
+ $parstack,$parser,$safeeval,
+ $style);
+ }
+ if (!$deleted) {
+ if ($space) {
+ #&Apache::lonxml::debug("Calling sub $sub in $space $metamode<br />\n");
+ $sub1="$space\:\:$sub";
+ ($currentstring,$nodefault) = &$sub1($target,$token,$tagstack,
+ $parstack,$parser,$safeeval,
+ $style);
+ } else {
+ #&Apache::lonxml::debug("NOT Calling sub $sub in $space $metamode<br />\n");
+ if ($metamode <1) {
+ if (defined($token->[4]) && ($metamode < 1)) {
+ $currentstring = $token->[4];
+ } else {
+ $currentstring = $token->[2];
+ }
}
}
- }
-# &Apache::lonxml::debug("nodefalt:$nodefault:");
- if ($currentstring eq '' && $nodefault eq '') {
- if ($target eq 'edit') {
- &Apache::lonxml::debug("doing default edit for $token->[1]");
- if ($token->[0] eq 'S') {
- $currentstring = &Apache::edit::tag_start($target,$token);
- } elsif ($token->[0] eq 'E') {
- $currentstring = &Apache::edit::tag_end($target,$token);
- }
- } elsif ($target eq 'modified') {
- if ($token->[0] eq 'S') {
- $currentstring = $token->[4];
- $currentstring.=&Apache::edit::handle_insert();
- } else {
- $currentstring = $token->[2];
+ # &Apache::lonxml::debug("nodefalt:$nodefault:");
+ if ($currentstring eq '' && $nodefault eq '') {
+ if ($target eq 'edit') {
+ &Apache::lonxml::debug("doing default edit for $token->[1]");
+ if ($token->[0] eq 'S') {
+ $currentstring = &Apache::edit::tag_start($target,$token);
+ } elsif ($token->[0] eq 'E') {
+ $currentstring = &Apache::edit::tag_end($target,$token);
+ }
+ } elsif ($target eq 'modified') {
+ if ($token->[0] eq 'S') {
+ $currentstring = $token->[4];
+ $currentstring.=&Apache::edit::handle_insert();
+ } else {
+ $currentstring = $token->[2];
+ }
}
}
}
@@ -390,6 +475,38 @@ sub callsub {
return $currentstring;
}
+sub setup_globals {
+ my ($target)=@_;
+ $Apache::lonxml::registered = 0;
+ @Apache::lonxml::pwd=();
+ if ($target eq 'meta') {
+ $Apache::lonxml::redirection = 0;
+ $Apache::lonxml::metamode = 1;
+ $Apache::lonxml::evaluate = 1;
+ $Apache::lonxml::import = 0;
+ } elsif ($target eq 'grade') {
+ &startredirection;
+ $Apache::lonxml::metamode = 0;
+ $Apache::lonxml::evaluate = 1;
+ $Apache::lonxml::import = 1;
+ } elsif ($target eq 'modified') {
+ $Apache::lonxml::redirection = 0;
+ $Apache::lonxml::metamode = 0;
+ $Apache::lonxml::evaluate = 0;
+ $Apache::lonxml::import = 0;
+ } elsif ($target eq 'edit') {
+ $Apache::lonxml::redirection = 0;
+ $Apache::lonxml::metamode = 0;
+ $Apache::lonxml::evaluate = 0;
+ $Apache::lonxml::import = 0;
+ } else {
+ $Apache::lonxml::redirection = 0;
+ $Apache::lonxml::metamode = 0;
+ $Apache::lonxml::evaluate = 1;
+ $Apache::lonxml::import = 1;
+ }
+}
+
sub init_safespace {
my ($target,$safeeval,$safehole,$safeinit) = @_;
$safeeval->permit("entereval");
@@ -417,10 +534,31 @@ sub init_safespace {
$safehole->wrap(\&Math::Cephes::y1,$safeeval,'&y1');
$safehole->wrap(\&Math::Cephes::yn,$safeeval,'&yn');
$safehole->wrap(\&Math::Cephes::yv,$safeeval,'&yv');
-
+ $safehole->wrap(\&Math::Random::random_beta,$safeeval,'&math_random_beta');
+ $safehole->wrap(\&Math::Random::random_chi_square,$safeeval,'&math_random_chi_square');
+ $safehole->wrap(\&Math::Random::random_exponential,$safeeval,'&math_random_exponential');
+ $safehole->wrap(\&Math::Random::random_f,$safeeval,'&math_random_f');
+ $safehole->wrap(\&Math::Random::random_gamma,$safeeval,'&math_random_gamma');
+ $safehole->wrap(\&Math::Random::random_multivariate_normal,$safeeval,'&math_random_multivariate_normal');
+ $safehole->wrap(\&Math::Random::random_multinomial,$safeeval,'&math_random_multinomial');
+ $safehole->wrap(\&Math::Random::random_noncentral_chi_square,$safeeval,'&math_random_noncentral_chi_square');
+ $safehole->wrap(\&Math::Random::random_noncentral_f,$safeeval,'&math_random_noncentral_f');
+ $safehole->wrap(\&Math::Random::random_normal,$safeeval,'&math_random_normal');
+ $safehole->wrap(\&Math::Random::random_permutation,$safeeval,'&math_random_permutation');
+ $safehole->wrap(\&Math::Random::random_permuted_index,$safeeval,'&math_random_permuted_index');
+ $safehole->wrap(\&Math::Random::random_uniform,$safeeval,'&math_random_uniform');
+ $safehole->wrap(\&Math::Random::random_poisson,$safeeval,'&math_random_poisson');
+ $safehole->wrap(\&Math::Random::random_uniform_integer,$safeeval,'&math_random_uniform_integer');
+ $safehole->wrap(\&Math::Random::random_negative_binomial,$safeeval,'&math_random_negative_binomial');
+ $safehole->wrap(\&Math::Random::random_binomial,$safeeval,'&math_random_binomial');
+ $safehole->wrap(\&Math::Random::random_seed_from_phrase,$safeeval,'&random_seed_from_phrase');
+ $safehole->wrap(\&Math::Random::random_set_seed_from_phrase,$safeeval,'&random_set_seed_from_phrase');
+ $safehole->wrap(\&Math::Random::random_get_seed,$safeeval,'&random_get_seed');
+ $safehole->wrap(\&Math::Random::random_set_seed,$safeeval,'&random_set_seed');
+
#need to inspect this class of ops
# $safeeval->deny(":base_orig");
- $safeinit .= ';$external::target='.$target.';';
+ $safeinit .= ';$external::target="'.$target.'";';
$safeinit .= ';$external::randomseed='.&Apache::lonnet::rndseed().';';
&Apache::run::run($safeinit,$safeeval);
}
@@ -439,6 +577,13 @@ sub endredirection {
pop @Apache::lonxml::outputstack;
}
+sub end_tag {
+ my ($tagstack,$parstack,$token)=@_;
+ pop(@$tagstack);
+ pop(@$parstack);
+ &decreasedepth($token);
+}
+
sub initdepth {
@Apache::lonxml::depthcounter=();
$Apache::lonxml::depth=-1;
@@ -706,7 +851,7 @@ ENDNOTFOUND
sub debug {
if ($Apache::lonxml::debug eq 1) {
- print "DEBUG:".$_[0]."<br />\n";
+ print("DEBUG:".$_[0]."<br />\n");
}
}
@@ -755,11 +900,13 @@ sub register_insert {
my $line = $data[$i];
if ( $line =~ /^\#/ || $line =~ /^\s*\n/) { next; }
if ( $line =~ /TABLE/ ) { last; }
- my ($tag,$descrip,$function,$show) = split(/,/, $line);
+ my ($tag,$descrip,$color,$function,$show) = split(/,/, $line);
$insertlist{"$tagnum.tag"} = $tag;
$insertlist{"$tagnum.description"} = $descrip;
+ $insertlist{"$tagnum.color"} = $color;
$insertlist{"$tagnum.function"} = $function;
$insertlist{"$tagnum.show"}= $show;
+ $insertlist{"$tag.num"}=$tagnum;
$tagnum++;
}
$i++; #skipping TABLE line
@@ -778,6 +925,11 @@ sub register_insert {
$tagnum++;
}
}
+
+sub description {
+ my ($token)=@_;
+ return $insertlist{$insertlist{"$token->[1].num"}.'.description'};
+}
1;
__END__