version 1.181, 2002/07/15 19:45:18
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version 1.208, 2002/10/25 18:58:19
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Line 60
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Line 60
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package Apache::lonxml; |
package Apache::lonxml; |
use vars |
use vars |
qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate %insertlist @namespace $prevent_entity_encode); |
qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate %insertlist @namespace $prevent_entity_encode $errorcount $warningcount); |
use strict; |
use strict; |
use HTML::LCParser(); |
use HTML::LCParser(); |
use HTML::TreeBuilder(); |
use HTML::TreeBuilder(); |
Line 99 use Apache::edit();
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Line 99 use Apache::edit();
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use Apache::lonnet(); |
use Apache::lonnet(); |
use Apache::File(); |
use Apache::File(); |
use Apache::loncommon(); |
use Apache::loncommon(); |
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use Apache::lonfeedback(); |
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use Apache::lonmsg(); |
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#================================================== Main subroutine: xmlparse |
#================================================== Main subroutine: xmlparse |
#debugging control, to turn on debugging modify the correct handler |
#debugging control, to turn on debugging modify the correct handler |
$Apache::lonxml::debug=0; |
$Apache::lonxml::debug=0; |
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# keeps count of the number of warnings and errors generated in a parse |
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$warningcount=0; |
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$errorcount=0; |
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#path to the directory containing the file currently being processed |
#path to the directory containing the file currently being processed |
@pwd=(); |
@pwd=(); |
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Line 138 $Apache::lonxml::registered=0;
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Line 144 $Apache::lonxml::registered=0;
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# a pointer the the Apache request object |
# a pointer the the Apache request object |
$Apache::lonxml::request=''; |
$Apache::lonxml::request=''; |
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# a problem number counter, and check on hether it is used |
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$Apache::lonxml::counter=0; |
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$Apache::lonxml::counter_changed=0; |
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sub xmlbegin { |
sub xmlbegin { |
my $output=''; |
my $output=''; |
if ($ENV{'browser.mathml'}) { |
if ($ENV{'browser.mathml'}) { |
Line 154 sub xmlbegin {
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Line 164 sub xmlbegin {
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} |
} |
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sub xmlend { |
sub xmlend { |
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my ($discussiononly,$symb)=@_; |
my $discussion=''; |
my $discussion=''; |
if ($ENV{'request.course.id'}) { |
if ($ENV{'request.course.id'}) { |
my $crs='/'.$ENV{'request.course.id'}; |
my $crs='/'.$ENV{'request.course.id'}; |
Line 162 sub xmlend {
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Line 173 sub xmlend {
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} |
} |
$crs=~s/\_/\//g; |
$crs=~s/\_/\//g; |
my $seeid=&Apache::lonnet::allowed('rin',$crs); |
my $seeid=&Apache::lonnet::allowed('rin',$crs); |
my $symb=&Apache::lonnet::symbread(); |
unless ($symb) { |
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$symb=&Apache::lonnet::symbread(); |
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} |
if ($symb) { |
if ($symb) { |
my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'}, |
my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'}, |
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, |
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, |
$ENV{'course.'.$ENV{'request.course.id'}.'.num'}); |
$ENV{'course.'.$ENV{'request.course.id'}.'.num'}); |
if ($contrib{'version'}) { |
if ($contrib{'version'}) { |
$discussion.= |
unless ($discussiononly) { |
'<address><hr /><h2>Course Discussion of Resource</h2>'; |
$discussion.= |
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'<address><hr />'; |
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} |
my $idx; |
my $idx; |
for ($idx=1;$idx<=$contrib{'version'};$idx++) { |
for ($idx=1;$idx<=$contrib{'version'};$idx++) { |
my $hidden=($contrib{'hidden'}=~/\.$idx\./); |
my $hidden=($contrib{'hidden'}=~/\.$idx\./); |
unless (($hidden) && (!$seeid)) { |
unless (($hidden) && (!$seeid)) { |
my $message=$contrib{$idx.':message'}; |
my $message=$contrib{$idx.':message'}; |
$message=~s/\n/\<br \/\>/g; |
$message=~s/\n/\<br \/\>/g; |
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$message=&Apache::lontexconvert::msgtexconverted($message); |
if ($message) { |
if ($message) { |
if ($hidden) { |
if ($hidden) { |
$message='<font color="#888888">'.$message.'</font>'; |
$message='<font color="#888888">'.$message.'</font>'; |
} |
} |
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my $screenname=&Apache::loncommon::screenname( |
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$contrib{$idx.':sendername'}, |
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$contrib{$idx.':senderdomain'}); |
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my $plainname=&Apache::loncommon::nickname( |
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$contrib{$idx.':sendername'}, |
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$contrib{$idx.':senderdomain'}); |
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my $sender='Anonymous'; |
my $sender='Anonymous'; |
if ((!$contrib{$idx.':anonymous'}) || ($seeid)) { |
if ((!$contrib{$idx.':anonymous'}) || ($seeid)) { |
$sender=$contrib{$idx.':plainname'}.' ('. |
$sender=&Apache::loncommon::aboutmewrapper( |
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$plainname, |
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$contrib{$idx.':sendername'}, |
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$contrib{$idx.':senderdomain'}).' ('. |
$contrib{$idx.':sendername'}.' at '. |
$contrib{$idx.':sendername'}.' at '. |
$contrib{$idx.':senderdomain'}.')'; |
$contrib{$idx.':senderdomain'}.')'; |
if ($contrib{$idx.':anonymous'}) { |
if ($contrib{$idx.':anonymous'}) { |
$sender.=' [anonymous] '. |
$sender.=' [anonymous] '. |
$contrib{$idx.':screenname'}; |
$screenname; |
} |
} |
if ($seeid) { |
if ($seeid) { |
if ($hidden) { |
if ($hidden) { |
Line 199 sub xmlend {
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Line 225 sub xmlend {
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} |
} |
} |
} |
} else { |
} else { |
if ($contrib{$idx.':screenname'}) { |
if ($screenname) { |
$sender='<i>'.$contrib{$idx.':screenname'}.'</i>'; |
$sender='<i>'.$screenname.'</i>'; |
} |
} |
} |
} |
$discussion.='<p><b>'.$sender.'</b> ('. |
$discussion.='<p><b>'.$sender.'</b> ('. |
Line 210 sub xmlend {
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Line 236 sub xmlend {
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} |
} |
} |
} |
} |
} |
$discussion.='</address>'; |
unless ($discussiononly) { |
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$discussion.='</address>'; |
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} |
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} |
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if ($discussiononly) { |
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$discussion.=(<<ENDDISCUSS); |
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<form action="/adm/feedback" method="post" name="mailform"> |
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<input type="submit" name="discuss" value="Post Discussion" /> |
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<input type="submit" name="anondiscuss" value="Post Anonymous Discussion" /> |
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<input type="hidden" name="symb" value="$symb" /> |
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<input type="hidden" name="sendit" value="true" /> |
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<br /> |
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<font size="1">Note: in anonymous discussion, your name is visible only to |
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course faculty</font><br /> |
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<textarea name=comment cols=60 rows=10 wrap=hard></textarea> |
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</form> |
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ENDDISCUSS |
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$discussion.=&Apache::lonfeedback::generate_preview_button(); |
} |
} |
} |
} |
} |
} |
return $discussion.'</html>'; |
return $discussion.($discussiononly?'':'</html>'); |
} |
} |
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sub tokeninputfield { |
sub tokeninputfield { |
Line 331 sub registerurl {
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Line 374 sub registerurl {
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my $forcereg=shift; |
my $forcereg=shift; |
my $target = shift; |
my $target = shift; |
my $result = ''; |
my $result = ''; |
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if ($target eq 'edit') { |
if ($target eq 'edit') { |
$result .="<script>\n menu.currentURL=null;\n". |
$result .="<script>\n". |
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"if (typeof menu != 'undefined') {menu.currentURL=null;}\n". |
&Apache::loncommon::browser_and_searcher_javascript(). |
&Apache::loncommon::browser_and_searcher_javascript(). |
"\n</script>\n"; |
"\n</script>\n"; |
} |
} |
Line 346 sub registerurl {
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Line 391 sub registerurl {
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$Apache::lonxml::registered=1; |
$Apache::lonxml::registered=1; |
my $nothing=''; |
my $nothing=''; |
if ($ENV{'browser.type'} eq 'explorer') { $nothing='javascript:void(0);'; } |
if ($ENV{'browser.type'} eq 'explorer') { $nothing='javascript:void(0);'; } |
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my $newmail=''; |
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if (&Apache::lonmsg::newmail()) { |
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$newmail='menu.setstatus("you have","messages");'; |
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} |
my $timesync='menu.syncclock(1000*'.time.');'; |
my $timesync='menu.syncclock(1000*'.time.');'; |
if (($ENV{'REQUEST_URI'}!~/^\/(res\/)*adm\//) || ($forcereg)) { |
if (($ENV{'REQUEST_URI'}!~/^\/(res\/)*adm\//) || ($forcereg)) { |
my $hwkadd=''; |
my $hwkadd=''; |
Line 375 ENDPARM
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Line 424 ENDPARM
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menu=window.open("$nothing","LONCAPAmenu","",false); |
menu=window.open("$nothing","LONCAPAmenu","",false); |
menu.clearTimeout(menu.menucltim); |
menu.clearTimeout(menu.menucltim); |
$timesync |
$timesync |
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$newmail |
menu.currentURL=window.location.pathname; |
menu.currentURL=window.location.pathname; |
menu.reloadURL=window.location.pathname; |
menu.reloadURL=window.location.pathname; |
menu.currentStale=0; |
menu.currentStale=0; |
Line 384 ENDPARM
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Line 434 ENDPARM
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menu.switchbutton |
menu.switchbutton |
(8,1,'eval.gif','evaluate','this','gopost("/adm/evaluate",currentURL)'); |
(8,1,'eval.gif','evaluate','this','gopost("/adm/evaluate",currentURL)'); |
menu.switchbutton |
menu.switchbutton |
(8,2,'fdbk.gif','feedback','on this','gopost("/adm/feedback",currentURL)'); |
(8,2,'fdbk.gif','feedback','discuss','gopost("/adm/feedback",currentURL)'); |
menu.switchbutton |
menu.switchbutton |
(8,3,'prt.gif','prepare','printout','gopost("/adm/printout",currentURL)'); |
(8,3,'prt.gif','prepare','printout','gopost("/adm/printout",currentURL)'); |
menu.switchbutton |
menu.switchbutton |
Line 478 sub xmlparse {
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Line 528 sub xmlparse {
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# do we have a course style file? |
# do we have a course style file? |
# |
# |
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if ($ENV{'request.course.id'}) { |
if ($ENV{'request.course.id'} && $ENV{'request.state'} ne 'construct') { |
my $bodytext= |
my $bodytext= |
$ENV{'course.'.$ENV{'request.course.id'}.'.default_xml_style'}; |
$ENV{'course.'.$ENV{'request.course.id'}.'.default_xml_style'}; |
if ($bodytext) { |
if ($bodytext) { |
Line 513 sub xmlparse {
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Line 563 sub xmlparse {
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if ($ENV{'request.uri'}) { |
if ($ENV{'request.uri'}) { |
&writeallows($ENV{'request.uri'}); |
&writeallows($ENV{'request.uri'}); |
} |
} |
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if ($Apache::lonxml::counter_changed) { &store_counter() } |
return $finaloutput; |
return $finaloutput; |
} |
} |
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Line 537 sub htmlclean {
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Line 588 sub htmlclean {
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return $output; |
return $output; |
} |
} |
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sub latex_special_symbols { |
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my ($current_token,$stack,$parstack)=@_; |
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$current_token=~s/\\/\\char92 /g; |
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$current_token=~s/\^/\\char94 /g; |
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$current_token=~s/\~/\\char126 /g; |
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$current_token=~s/(&[^a-z\#])/\\$1/g; |
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$current_token=~s/([^&])\#/$1\\#/g; |
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$current_token=~s/(\$|_|{|})/\\$1/g; |
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$current_token=~s/\\char92 /\\texttt{\\char92}/g; |
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$current_token=~s/>/\$>\$/g; #more |
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$current_token=~s/</\$<\$/g; #less |
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if ($current_token=~m/\d%/) {$current_token =~ s/(\d)%/$1\\%/g;} #percent after digit |
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if ($current_token=~m/\s%/) {$current_token =~ s/(\s)%/$1\\%/g;} #persent after space |
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return $current_token; |
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} |
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sub inner_xmlparse { |
sub inner_xmlparse { |
my ($target,$stack,$parstack,$pars,$safeeval,$style_for_target)=@_; |
my ($target,$stack,$parstack,$pars,$safeeval,$style_for_target)=@_; |
my $finaloutput = ''; |
my $finaloutput = ''; |
Line 546 sub inner_xmlparse {
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Line 613 sub inner_xmlparse {
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while ($token = $$pars['-1']->get_token) { |
while ($token = $$pars['-1']->get_token) { |
if (($token->[0] eq 'T') || ($token->[0] eq 'C') || ($token->[0] eq 'D') ) { |
if (($token->[0] eq 'T') || ($token->[0] eq 'C') || ($token->[0] eq 'D') ) { |
if ($metamode<1) { |
if ($metamode<1) { |
$result=$token->[1]; |
my $text=$token->[1]; |
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if ($token->[0] eq 'C' && $target eq 'tex') { |
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$text = '%'.$text; |
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$text =~ s/[\n\r]//g; |
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} |
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$result.=$text; |
} |
} |
} elsif ($token->[0] eq 'PI') { |
} elsif ($token->[0] eq 'PI') { |
if ($metamode<1) { |
if ($metamode<1) { |
Line 609 sub inner_xmlparse {
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Line 681 sub inner_xmlparse {
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$result= &Apache::run::evaluate($result,$safeeval,''); |
$result= &Apache::run::evaluate($result,$safeeval,''); |
} |
} |
} |
} |
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if (($token->[0] eq 'T') || ($token->[0] eq 'C') || ($token->[0] eq 'D') ) { |
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if ($target eq 'tex') { |
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$result=&latex_special_symbols($result,$stack,$parstack); |
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} |
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} |
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# Encode any high ASCII characters |
# Encode any high ASCII characters |
if (!$Apache::lonxml::prevent_entity_encode) { |
if (!$Apache::lonxml::prevent_entity_encode) { |
$result=&HTML::Entities::encode($result,"\200-\377"); |
$result=&HTML::Entities::encode($result,"\200-\377"); |
Line 735 sub callsub {
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Line 813 sub callsub {
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} |
} |
if (!$deleted) { |
if (!$deleted) { |
if ($space) { |
if ($space) { |
#&Apache::lonxml::debug("Calling sub $sub in $space $metamode"); |
&Apache::lonxml::debug("Calling sub $sub in $space $metamode"); |
$sub1="$space\:\:$sub"; |
$sub1="$space\:\:$sub"; |
($currentstring,$nodefault) = &$sub1($target,$token,$tagstack, |
($currentstring,$nodefault) = &$sub1($target,$token,$tagstack, |
$parstack,$parser,$safeeval, |
$parstack,$parser,$safeeval, |
$style); |
$style); |
} else { |
} else { |
#&Apache::lonxml::debug("NOT Calling sub $sub in $space $metamode"); |
&Apache::lonxml::debug("NOT Calling sub $sub in $space $metamode"); |
if ($metamode <1) { |
if ($metamode <1) { |
if (defined($token->[4]) && ($metamode < 1)) { |
if (defined($token->[4]) && ($metamode < 1)) { |
$currentstring = $token->[4]; |
$currentstring = $token->[4]; |
Line 778 sub setup_globals {
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Line 856 sub setup_globals {
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my ($request,$target)=@_; |
my ($request,$target)=@_; |
$Apache::lonxml::request=$request; |
$Apache::lonxml::request=$request; |
$Apache::lonxml::registered = 0; |
$Apache::lonxml::registered = 0; |
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$errorcount=0; |
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$warningcount=0; |
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$Apache::lonxml::default_homework_loaded=0; |
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&init_counter(); |
@Apache::lonxml::pwd=(); |
@Apache::lonxml::pwd=(); |
@Apache::lonxml::extlinks=(); |
@Apache::lonxml::extlinks=(); |
if ($target eq 'meta') { |
if ($target eq 'meta') { |
Line 878 sub init_safespace {
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Line 960 sub init_safespace {
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&Apache::run::run($safeinit,$safeeval); |
&Apache::run::run($safeinit,$safeeval); |
} |
} |
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sub default_homework_load { |
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my ($safeeval)=@_; |
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&Apache::lonxml::debug('Loading default_homework'); |
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my $default=&Apache::lonnet::getfile('/home/httpd/html/res/adm/includes/default_homework.lcpm'); |
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if ($default == -1) { |
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&Apache::lonxml::error("<b>Unable to find <i>default_homework.lcpm</i></b>"); |
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} else { |
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&Apache::run::run($default,$safeeval); |
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$Apache::lonxml::default_homework_loaded=1; |
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} |
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} |
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sub startredirection { |
sub startredirection { |
$Apache::lonxml::redirection++; |
$Apache::lonxml::redirection++; |
push (@Apache::lonxml::outputstack, ''); |
push (@Apache::lonxml::outputstack, ''); |
Line 934 sub decreasedepth {
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Line 1028 sub decreasedepth {
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} |
} |
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sub get_all_text_unbalanced { |
sub get_all_text_unbalanced { |
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#there is a copy of this in lonpublisher.pm |
my($tag,$pars)= @_; |
my($tag,$pars)= @_; |
my $token; |
my $token; |
my $result=''; |
my $result=''; |
Line 960 sub get_all_text_unbalanced {
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Line 1055 sub get_all_text_unbalanced {
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return $result |
return $result |
} |
} |
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sub increment_counter { |
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$Apache::lonxml::counter++; |
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$Apache::lonxml::counter_changed=1; |
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} |
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sub init_counter { |
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if (defined($ENV{'form.counter'})) { |
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$Apache::lonxml::counter=$ENV{'form.counter'}; |
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} elsif (not defined($Apache::lonxml::counter)) { |
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$Apache::lonxml::counter=1; |
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&store_counter(); |
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} |
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$Apache::lonxml::counter_changed=0; |
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} |
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sub store_counter { |
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&Apache::lonnet::appenv(('form.counter' => $Apache::lonxml::counter)); |
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return ''; |
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} |
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sub get_all_text { |
sub get_all_text { |
my($tag,$pars)= @_; |
my($tag,$pars)= @_; |
my $depth=0; |
my $depth=0; |
Line 1251 ENDNOTFOUND
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Line 1366 ENDNOTFOUND
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sub debug { |
sub debug { |
if ($Apache::lonxml::debug eq 1) { |
if ($Apache::lonxml::debug eq 1) { |
$|=1; |
$|=1; |
print("DEBUG:".&HTML::Entities::encode($_[0])."<br />\n"); |
print('<font size="-2"<pre>DEBUG:'.&HTML::Entities::encode($_[0])."</pre></font>\n"); |
} |
} |
} |
} |
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sub error { |
sub error { |
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$errorcount++; |
if (($Apache::lonxml::debug eq 1) || ($ENV{'request.state'} eq 'construct') ) { |
if (($Apache::lonxml::debug eq 1) || ($ENV{'request.state'} eq 'construct') ) { |
# If printing in construction space, put the error inside <pre></pre> |
# If printing in construction space, put the error inside <pre></pre> |
print "<b>ERROR:</b>".join("\n",@_)."\n"; |
print "<b>ERROR:</b>".join("\n",@_)."\n"; |
Line 1281 sub error {
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Line 1397 sub error {
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} |
} |
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sub warning { |
sub warning { |
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$warningcount++; |
if ($ENV{'request.state'} eq 'construct') { |
if ($ENV{'request.state'} eq 'construct') { |
print "<b>W</b>ARNING<b>:</b>".join('<br />',@_)."<br />\n"; |
print "<b>W</b>ARNING<b>:</b>".join('<br />',@_)."<br />\n"; |
} |
} |