--- loncom/xml/lonxml.pm 2003/09/27 04:15:26 1.266.2.2
+++ loncom/xml/lonxml.pm 2003/09/08 19:00:09 1.274
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# XML Parser Module
#
-# $Id: lonxml.pm,v 1.266.2.2 2003/09/27 04:15:26 albertel Exp $
+# $Id: lonxml.pm,v 1.274 2003/09/08 19:00:09 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 {
@@ -158,9 +159,6 @@ $Apache::lonxml::usestyle=1;
$Apache::lonxml::style_values='';
$Apache::lonxml::style_end_values='';
-#array of ssi calls that need to occur after we are done parsing
-@Apache::lonxml::ssi_info=();
-
sub xmlbegin {
my $output='';
if ($ENV{'browser.mathml'}) {
@@ -454,7 +452,6 @@ sub xmlparse {
if ($ENV{'request.uri'}) {
&writeallows($ENV{'request.uri'});
}
- &do_registered_ssi();
if ($Apache::lonxml::counter_changed) { &store_counter() }
return $finaloutput;
}
@@ -481,23 +478,25 @@ sub htmlclean {
}
sub latex_special_symbols {
- my ($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;
+ $string =~ s/_/ /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
+ $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 $string;
}
sub inner_xmlparse {
@@ -587,7 +586,7 @@ sub inner_xmlparse {
if (($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);
}
}
@@ -703,7 +702,6 @@ sub setup_globals {
&init_counter();
@Apache::lonxml::pwd=();
@Apache::lonxml::extlinks=();
- @Apache::lonxml::ssi_info=();
if ($target eq 'meta') {
$Apache::lonxml::redirection = 0;
$Apache::lonxml::metamode = 1;
@@ -956,83 +954,105 @@ sub store_counter {
}
sub get_all_text {
- my($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 {
@@ -1054,7 +1074,7 @@ sub parstring {
my $val=$token->[2]->{$_};
$val =~ s/([\%\@\\\"\'])/\\$1/g;
#if ($val =~ m/^[\%\@]/) { $val="\\".$val; }
- $temp .= "my \$$_=\"$val\";"
+ $temp .= "my \$$_=\"$val\";";
}
}
return $temp;
@@ -1077,19 +1097,6 @@ sub writeallows {
&Apache::lonnet::appenv(%httpref);
}
-sub register_ssi {
- my ($url,%form)=@_;
- push (@Apache::lonxml::ssi_info,{'url'=>$url,'form'=>\%form});
- return '';
-}
-
-sub do_registered_ssi {
- foreach my $info (@Apache::lonxml::ssi_info) {
- my %form=%{ $info->{'form'}};
- my $url=$info->{'url'};
- &Apache::lonnet::ssi($url,%form);
- }
-}
#
# Afterburner handles anchors, highlights and links
#
@@ -1132,8 +1139,10 @@ 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;
}
}
@@ -1155,16 +1164,35 @@ SIMPLECONTENT
return $filecontents;
}
+sub createnewsty {
+ my $filecontents=(<<SIMPLECONTENT);
+<definetag name="">
+ <render>
+ <web></web>
+ <tex></tex>
+ </render>
+</definetag>
+SIMPLECONTENT
+ return $filecontents;
+}
+
sub inserteditinfo {
- my ($result,$filecontents)=@_;
+ my ($result,$filecontents,$filetype)=@_;
$filecontents = &HTML::Entities::encode($filecontents);
# my $editheader='<a href="#editsection">Edit below</a><hr />';
- my $xml_help = Apache::loncommon::helpLatexCheatsheet();
+ my $xml_help = '';
+ if ($filetype eq 'html') {
+ $xml_help=Apache::loncommon::helpLatexCheatsheet();
+ }
+ my $cleanbut = '';
+ if ($filetype eq 'html') {
+ $cleanbut='<input type="submit" name="attemptclean"
+ value="Save and then attempt to clean HTML" />';
+ }
my $titledisplay=&display_title();
my $buttons=(<<BUTTONS);
-<input type="submit" name="attemptclean"
- value="Save and then attempt to clean HTML" />
+$cleanbut
<input type="submit" name="savethisfile" value="Save this" />
<input type="submit" name="viewmode" value="View" />
BUTTONS
@@ -1232,12 +1260,20 @@ sub handler {
my $file=&Apache::lonnet::filelocation("",$request->uri);
+ my $filetype;
+ if ($file =~ /\.sty$/) {
+ $filetype='sty';
+ } else {
+ $filetype='html';
+ }
#
# Edit action? Save file.
#
unless ($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;
@@ -1256,7 +1292,11 @@ sub handler {
ENDNOTFOUND
$filecontents='';
if ($ENV{'request.state'} ne 'published') {
- $filecontents=&createnewhtml();
+ if ($filetype eq 'sty') {
+ $filecontents=&createnewsty();
+ } else {
+ $filecontents=&createnewhtml();
+ }
$ENV{'form.editmode'}='Edit'; #force edit mode
}
} else {
@@ -1284,11 +1324,11 @@ ENDNOTFOUND
$displayfile=~s/^\/[^\/]*//;
$result='<html><body bgcolor="#FFFFFF"><h3>'.$displayfile.
'</h3></body></html>';
- $result=&inserteditinfo($result,$filecontents);
+ $result=&inserteditinfo($result,$filecontents,$filetype);
}
}
-
- writeallows($request->uri);
+ if ($filetype eq 'html') { writeallows($request->uri); }
+
$request->print($result);
@@ -1410,7 +1450,7 @@ sub register_insert {
my $line = $data[$i];
if ( $line =~ /^\#/ || $line =~ /^\s*\n/) { next; }
if ( $line =~ /TABLE/ ) { last; }
- my ($tag,$descrip,$color,$function,$show) = split(/,/, $line);
+ my ($tag,$descrip,$color,$function,$show,$helpfile,$helpdesc) = split(/,/, $line);
if ($tag) {
$insertlist{"$tagnum.tag"} = $tag;
$insertlist{"$tagnum.description"} = $descrip;
@@ -1418,6 +1458,8 @@ sub register_insert {
$insertlist{"$tagnum.function"} = $function;
if (!defined($show)) { $show='yes'; }
$insertlist{"$tagnum.show"}= $show;
+ $insertlist{"$tagnum.helpfile"} = $helpfile;
+ $insertlist{"$tagnum.helpdesc"} = $helpdesc;
$insertlist{"$tag.num"}=$tagnum;
$tagnum++;
}
@@ -1452,6 +1494,20 @@ sub description {
return $insertlist{$tagnum.'.description'};
}
+# Returns a list containing the help file, and the description
+sub helpinfo {
+ my ($token)=@_;
+ my $tagnum;
+ my $tag=$token->[1];
+ foreach my $namespace (reverse @Apache::lonxml::namespace) {
+ my $testtag=$namespace.'::'.$tag;
+ $tagnum=$insertlist{"$testtag.num"};
+ if (defined($tagnum)) { last; }
+ }
+ if (!defined ($tagnum)) { $tagnum=$Apache::lonxml::insertlist{"$tag.num"}; }
+ return ($insertlist{$tagnum.'.helpfile'}, $insertlist{$tagnum.'.helpdesc'});
+}
+
# ----------------------------------------------------------------- whichuser
# returns a list of $symb, $courseid, $domain, $name that is correct for
# calls to lonnet functions for this setup.