--- loncom/xml/lonxml.pm 2003/08/06 14:30:01 1.268
+++ loncom/xml/lonxml.pm 2003/08/13 18:57:28 1.272
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# XML Parser Module
#
-# $Id: lonxml.pm,v 1.268 2003/08/06 14:30:01 bowersj2 Exp $
+# $Id: lonxml.pm,v 1.272 2003/08/13 18:57:28 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -69,6 +69,7 @@ use Safe::Hole();
use Math::Cephes();
use Math::Random();
use Opcode();
+use POSIX qw(strftime);
sub register {
@@ -477,24 +478,24 @@ sub htmlclean {
}
sub latex_special_symbols {
- my ($current_token,$stack,$parstack,$where)=@_;
+ my ($string,$where)=@_;
if ($where eq 'header') {
- $current_token =~ s/(\\|_|\^)/ /g;
- $current_token =~ s/(\$|%|\#|&|\{|\})/\\$1/g;
+ $string =~ s/(\\|_|\^)/ /g;
+ $string =~ s/(\$|%|\#|&|\{|\})/\\$1/g;
} else {
- $current_token=~s/\\ /\\char92 /g;
- $current_token=~s/\^/\\char94 /g;
- $current_token=~s/\~/\\char126 /g;
- $current_token=~s/(&[^A-Za-z\#])/\\$1/g;
- $current_token=~s/([^&])\#/$1\\#/g;
- $current_token=~s/(\$|_|{|})/\\$1/g;
- $current_token=~s/\\char92 /\\texttt{\\char92}/g;
- $current_token=~s/(>|<)/\$$1\$/g; #more or less
- if ($current_token=~m/\d%/) {$current_token =~ s/(\d)%/$1\\%/g;} #percent after digit
- if ($current_token=~m/\s%/) {$current_token =~ s/(\s)%/$1\\%/g;} #persent after space
- if ($current_token eq '%.') {$current_token = '\%.';} #persent at the end of statement
+ $string=~s/\\ /\\char92 /g;
+ $string=~s/\^/\\char94 /g;
+ $string=~s/\~/\\char126 /g;
+ $string=~s/(&[^A-Za-z\#])/\\$1/g;
+ $string=~s/([^&])\#/$1\\#/g;
+ $string=~s/(\$|_|{|})/\\$1/g;
+ $string=~s/\\char92 /\\texttt{\\char92}/g;
+ $string=~s/(>|<)/\$$1\$/g; #more or less
+ if ($string=~m/\d%/) {$string =~ s/(\d)%/$1\\%/g;} #percent after digit
+ if ($string=~m/\s%/) {$string =~ s/(\s)%/$1\\%/g;} #percent after space
+ if ($string eq '%.') {$string = '\%.';} #percent at the end of statement
}
- return $current_token;
+ return $string;
}
sub inner_xmlparse {
@@ -584,7 +585,7 @@ sub inner_xmlparse {
if (($token->[0] eq 'T') || ($token->[0] eq 'C') || ($token->[0] eq 'D') ) {
#Style file definitions should be correct
if ($target eq 'tex' && ($Apache::lonxml::usestyle)) {
- $result=&latex_special_symbols($result,$stack,$parstack);
+ $result=&latex_special_symbols($result);
}
}
@@ -952,83 +953,105 @@ sub store_counter {
}
sub get_all_text {
- my($tag,$pars)= @_;
- &Apache::lonxml::debug("Got a ".ref($pars));
- my $gotfullstack=1;
- if (ref($pars) ne 'ARRAY') {
- $gotfullstack=0;
- $pars=[$pars];
- }
- my $depth=0;
- my $token;
- my $result='';
- if ( $tag =~ m:^/: ) {
- my $tag=substr($tag,1);
- #&Apache::lonxml::debug("have:$tag:");
- my $top_empty=0;
- while (($depth >=0) && ($#$pars > -1) && (!$top_empty)) {
- while (($depth >=0) && ($token = $$pars[-1]->get_token)) {
- #&Apache::lonxml::debug("e token:$token->[0]:$depth:$token->[1]:".$#$pars.":".$#Apache::lonxml::pwd);
- if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) {
- $result.=$token->[1];
- } elsif ($token->[0] eq 'PI') {
- $result.=$token->[2];
- } elsif ($token->[0] eq 'S') {
- if ($token->[1] =~ /^$tag$/i) { $depth++; }
- $result.=$token->[4];
- } elsif ($token->[0] eq 'E') {
- if ( $token->[1] =~ /^$tag$/i) { $depth--; }
- #skip sending back the last end tag
- if ($depth > -1) { $result.=$token->[2]; } else {
- $$pars[-1]->unget_token($token);
- }
- }
- }
- if (($depth >=0) && ($#$pars == 0) ) { $top_empty=1; }
- if (($depth >=0) && ($#$pars > 0) ) {
- pop(@$pars);
- pop(@Apache::lonxml::pwd);
- }
- }
- if ($top_empty && $depth >= 0) {
- #never found the end tag ran out of text, throw error send back blank
- &error('Never found end tag for <'.$tag.'>');
- if ($gotfullstack) {
- my $newstring='</'.$tag.'>'.$result;
- &Apache::lonxml::newparser($pars,\$newstring);
- }
- $result='';
- }
- } else {
- while ($#$pars > -1) {
- while ($token = $$pars[-1]->get_token) {
- #&Apache::lonxml::debug("s token:$token->[0]:$depth:$token->[1]");
- if (($token->[0] eq 'T')||($token->[0] eq 'C')||
- ($token->[0] eq 'D')) {
- $result.=$token->[1];
- } elsif ($token->[0] eq 'PI') {
- $result.=$token->[2];
- } elsif ($token->[0] eq 'S') {
- if ( $token->[1] =~ /^$tag$/i) {
- $$pars[-1]->unget_token($token); last;
- } else {
- $result.=$token->[4];
- }
- } elsif ($token->[0] eq 'E') {
- $result.=$token->[2];
- }
- }
- if (($#$pars > 0) ) {
- pop(@$pars);
- pop(@Apache::lonxml::pwd);
- } else { last; }
- }
- }
- if ($result =~ m|<LONCAPA_INTERNAL_TURN_STYLE_ON />|) {
- $Apache::lonxml::usestyle=1;
- }
- #&Apache::lonxml::debug("Exit:$result:");
- return $result
+ my($tag,$pars,$style)= @_;
+ &Apache::lonxml::debug("Got a ".ref($pars));
+ my $gotfullstack=1;
+ if (ref($pars) ne 'ARRAY') {
+ $gotfullstack=0;
+ $pars=[$pars];
+ }
+ &Apache::lonxml::debug("Got a ".ref($style));
+ if (ref($style) ne 'HASH') {
+ $style={};
+ } else {
+ &Apache::lonhomework::showhash(%$style);
+ }
+ my $depth=0;
+ my $token;
+ my $result='';
+ if ( $tag =~ m:^/: ) {
+ my $tag=substr($tag,1);
+ #&Apache::lonxml::debug("have:$tag:");
+ my $top_empty=0;
+ while (($depth >=0) && ($#$pars > -1) && (!$top_empty)) {
+ while (($depth >=0) && ($token = $$pars[-1]->get_token)) {
+ #&Apache::lonxml::debug("e token:$token->[0]:$depth:$token->[1]:".$#$pars.":".$#Apache::lonxml::pwd);
+ if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) {
+ $result.=$token->[1];
+ } elsif ($token->[0] eq 'PI') {
+ $result.=$token->[2];
+ } elsif ($token->[0] eq 'S') {
+ if ($token->[1] =~ /^$tag$/i) { $depth++; }
+ if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_ON$/i) { $Apache::lonxml::usestyle=1; }
+ if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_OFF$/i) { $Apache::lonxml::usestyle=0; }
+ $result.=$token->[4];
+ } elsif ($token->[0] eq 'E') {
+ if ( $token->[1] =~ /^$tag$/i) { $depth--; }
+ #skip sending back the last end tag
+ if ($depth == 0 && exists($$style{'/'.$token->[1]})) {
+ my $string=
+ '<LONCAPA_INTERNAL_TURN_STYLE_OFF end="yes" />'.
+ $$style{'/'.$token->[1]}.
+ $token->[2].
+ '<LONCAPA_INTERNAL_TURN_STYLE_ON />';
+ &Apache::lonxml::newparser($pars,\$string);
+ #&Apache::lonxml::debug("reParsing $string");
+ next;
+ }
+ if ($depth > -1) {
+ $result.=$token->[2];
+ } else {
+ $$pars[-1]->unget_token($token);
+ }
+ }
+ }
+ if (($depth >=0) && ($#$pars == 0) ) { $top_empty=1; }
+ if (($depth >=0) && ($#$pars > 0) ) {
+ pop(@$pars);
+ pop(@Apache::lonxml::pwd);
+ }
+ }
+ if ($top_empty && $depth >= 0) {
+ #never found the end tag ran out of text, throw error send back blank
+ &error('Never found end tag for <'.$tag.
+ '> current string <pre>'.
+ &HTML::Entities::encode($result).
+ '</pre>');
+ if ($gotfullstack) {
+ my $newstring='</'.$tag.'>'.$result;
+ &Apache::lonxml::newparser($pars,\$newstring);
+ }
+ $result='';
+ }
+ } else {
+ while ($#$pars > -1) {
+ while ($token = $$pars[-1]->get_token) {
+ #&Apache::lonxml::debug("s token:$token->[0]:$depth:$token->[1]");
+ if (($token->[0] eq 'T')||($token->[0] eq 'C')||
+ ($token->[0] eq 'D')) {
+ $result.=$token->[1];
+ } elsif ($token->[0] eq 'PI') {
+ $result.=$token->[2];
+ } elsif ($token->[0] eq 'S') {
+ if ( $token->[1] =~ /^$tag$/i) {
+ $$pars[-1]->unget_token($token); last;
+ } else {
+ $result.=$token->[4];
+ }
+ if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_ON$/i) { $Apache::lonxml::usestyle=1; }
+ if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_OFF$/i) { $Apache::lonxml::usestyle=0; }
+ } elsif ($token->[0] eq 'E') {
+ $result.=$token->[2];
+ }
+ }
+ if (($#$pars > 0) ) {
+ pop(@$pars);
+ pop(@Apache::lonxml::pwd);
+ } else { last; }
+ }
+ }
+ #&Apache::lonxml::debug("Exit:$result:");
+ return $result
}
sub newparser {
@@ -1115,8 +1138,10 @@ sub storefile {
if (my $fh=Apache::File->new('>'.$file)) {
print $fh $contents;
$fh->close();
+ return 1;
} else {
- &warning("Unable to save file $file");
+ &warning("Unable to save file $file");
+ return 0;
}
}
@@ -1220,7 +1245,9 @@ sub handler {
#
unless ($ENV{'request.state'} eq 'published') {
if (($ENV{'form.savethisfile'}) || ($ENV{'form.attemptclean'})) {
- &storefile($file,$ENV{'form.filecont'});
+ if (&storefile($file,$ENV{'form.filecont'})) {
+ $request->print("<font COLOR=\"#0000FF\">Updated: ". strftime("%d %b %H:%M:%S",localtime())." </font>");
+ }
}
}
my %mystyle;
@@ -1460,7 +1487,7 @@ sub whichuser {
my ($symb,$courseid,$domain,$name,$publicuser);
if (defined($ENV{'form.grade_symb'})) {
my $tmp_courseid=$ENV{'form.grade_courseid'};
- my $allowed=&Apache::lonnet::allowed('mgr',$tmp_courseid);
+ my $allowed=&Apache::lonnet::allowed('vgr',$tmp_courseid);
if ($allowed) {
$symb=$ENV{'form.grade_symb'};
$courseid=$ENV{'form.grade_courseid'};