--- loncom/xml/lonxml.pm 2004/03/02 22:45:56 1.307
+++ loncom/xml/lonxml.pm 2004/03/30 07:16:24 1.314
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# XML Parser Module
#
-# $Id: lonxml.pm,v 1.307 2004/03/02 22:45:56 albertel Exp $
+# $Id: lonxml.pm,v 1.314 2004/03/30 07:16:24 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -401,23 +401,25 @@ sub latex_special_symbols {
my ($string,$where)=@_;
if ($where eq 'header') {
$string =~ s/(\\|_|\^)/ /g;
- $string =~ s/(\$|%|\#|&|\{|\})/\\$1/g;
+ $string =~ s/(\$|%|\{|\})/\\$1/g;
$string =~ s/_/ /g;
+ $string=&Apache::lonprintout::character_chart($string);
+ # any & or # leftover should be safe to just escape
+ $string=~s/([^\\])\&/$1\\\&/g;
+ $string=~s/([^\\])\#/$1\\\#/g;
} else {
- $string=~s/\\ /\\char92 /g;
- $string=~s/\^/\\\^\\strut /g;
- $string=~s/\~/\\char126 /g;
- #fixup & if it doesn't look like
- # { or α
- $string=~s/(&(?!((\#[0-9]+)|([a-z]+));))/\\$1/gi;
- $string=~s/([^&\\])\#/$1\\#/g;
- $string=~s/\#\#/\#\\#/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
+ $string=~s/\\/\\ensuremath{\\backslash}/g;
+ $string=~s/([^\\]|^)\%/$1\\\%/g;
+ $string=~s/([^\\]|^)(\$|_)/$1\\$2/g;
+ $string=~s/\$\$/\$\\\$/g;
+ $string=~s/\#\#/\#\\\#/g;
+ $string=~s/([^\\]|^)(\~|\^)/$1\\$2\\strut /g;
+ $string=~s/(>|<)/\\ensuremath\{$1\}/g; #more or less
+ $string=&Apache::lonprintout::character_chart($string);
+ # any & or # leftover should be safe to just escape
+ $string=~s/([^\\]|^)\&/$1\\\&/g;
+ $string=~s/([^\\]|^)\#/$1\\\#/g;
+#single { or } How to escape?
}
return $string;
}
@@ -751,6 +753,7 @@ sub init_safespace {
$safehole->wrap(\&Math::Random::random_get_seed,$safeeval,'&random_get_seed');
$safehole->wrap(\&Math::Random::random_set_seed,$safeeval,'&random_set_seed');
$safehole->wrap(\&Apache::lonxml::error,$safeeval,'&LONCAPA_INTERNAL_ERROR');
+ $safehole->wrap(\&Apache::lonxml::debug,$safeeval,'&LONCAPA_INTERNAL_DEBUG');
#need to inspect this class of ops
# $safeeval->deny(":base_orig");
@@ -964,7 +967,7 @@ sub get_all_text {
#never found the end tag ran out of text, throw error send back blank
&error('Never found end tag for <'.$tag.
'> current string '.
- &HTML::Entities::encode($result).
+ &HTML::Entities::encode($result,'<>&"').
'
');
if ($gotfullstack) {
my $newstring=''.$result;
@@ -1141,7 +1144,7 @@ SIMPLECONTENT
sub inserteditinfo {
my ($result,$filecontents,$filetype)=@_;
- $filecontents = &HTML::Entities::encode($filecontents);
+ $filecontents = &HTML::Entities::encode($filecontents,'<>&"');
# my $editheader='Edit below
';
my $xml_help = '';
if ($filetype eq 'html') {
@@ -1237,8 +1240,10 @@ sub handler {
unless ($ENV{'request.state'} eq 'published') {
if (($ENV{'form.savethisfile'}) || ($ENV{'form.attemptclean'})) {
if (&storefile($file,$ENV{'form.filecont'})) {
- $request->print("".&mt('Updated').": ".
-&Apache::lonlocal::locallocaltime(time)." ");
+ &Apache::lonxml::info("".
+ &mt('Updated').": ".
+ &Apache::lonlocal::locallocaltime(time).
+ " ");
}
}
}
@@ -1290,7 +1295,9 @@ ENDNOTFOUND
if ($ENV{'form.editmode'} && (!($ENV{'form.viewmode'}))) {
my $displayfile=$request->uri;
$displayfile=~s/^\/[^\/]*//;
- $result=''.$displayfile.
+ $result=''.
+ &Apache::lonxml::message_location().''.
+ $displayfile.
'
';
$result=&inserteditinfo($result,$filecontents,$filetype);
}
@@ -1298,7 +1305,7 @@ ENDNOTFOUND
if ($filetype eq 'html') { writeallows($request->uri); }
-
+ &Apache::lonxml::add_messages(\$result);
$request->print($result);
return OK;
@@ -1322,7 +1329,7 @@ sub debug {
$|=1;
my $request=$Apache::lonxml::request;
if (!$request) { $request=Apache->request; }
- $request->print('DEBUG:'.&HTML::Entities::encode($_[0])."
\n");
+ $request->print('DEBUG:'.&HTML::Entities::encode($_[0],'<>&"')."
\n");
}
}
@@ -1332,11 +1339,13 @@ sub error {
if (!$request) { $request=Apache->request; }
if (($Apache::lonxml::debug eq 1) || ($ENV{'request.state'} eq 'construct') ) {
# If printing in construction space, put the error inside
- $request->print($Apache::lonxml::warnings_error_header.
- "ERROR:".join("
\n",@_)."
\n");
+ push(@Apache::lonxml::error_messages,
+ $Apache::lonxml::warnings_error_header.
+ "ERROR:".join("
\n",@_)."
\n");
$Apache::lonxml::warnings_error_header='';
} else {
- $request->print("An Error occured while processing this resource. The instructor has been notified.
");
+ push(@Apache::lonxml::error_messages,
+ "An Error occured while processing this resource. The instructor has been notified.
");
#notify author
&Apache::lonmsg::author_res_msg($ENV{'request.filename'},join('
',@_));
#notify course
@@ -1359,13 +1368,38 @@ sub warning {
if ($ENV{'request.state'} eq 'construct' || $Apache::lonxml::debug) {
my $request=$Apache::lonxml::request;
if (!$request) { $request=Apache->request; }
- $request->print($Apache::lonxml::warnings_error_header.
- "WARNING:".join('
',@_)."
\n");
+ push(@Apache::lonxml::warning_messages,
+ $Apache::lonxml::warnings_error_header.
+ "WARNING:".join('
',@_)."
\n");
$Apache::lonxml::warnings_error_header='';
}
}
}
+sub info {
+ if ($ENV{'form.grade_target'} ne 'tex'
+ && $ENV{'request.state'} eq 'construct') {
+ push(@Apache::lonxml::info_messages,join('
',@_)."
\n");
+ }
+}
+
+sub message_location {
+ return '__LONCAPA_INTERNAL_MESSAGE_LOCATION__';
+}
+
+sub add_messages {
+ my ($msg)=@_;
+ my $result=join(' ',
+ @Apache::lonxml::info_messages,
+ @Apache::lonxml::error_messages,
+ @Apache::lonxml::warning_messages);
+ undef(@Apache::lonxml::info_messages);
+ undef(@Apache::lonxml::error_messages);
+ undef(@Apache::lonxml::warning_messages);
+ $$msg=~s/__LONCAPA_INTERNAL_MESSAGE_LOCATION__/$result/;
+ $$msg=~s/__LONCAPA_INTERNAL_MESSAGE_LOCATION__//g;
+}
+
sub get_param {
my ($param,$parstack,$safeeval,$context,$case_insensitive) = @_;
if ( ! $context ) { $context = -1; }