--- loncom/interface/londocs.pm 2006/06/19 09:40:17 1.232
+++ loncom/interface/londocs.pm 2024/12/27 02:32:55 1.714
@@ -1,7 +1,7 @@
# The LearningOnline Network
# Documents
#
-# $Id: londocs.pm,v 1.232 2006/06/19 09:40:17 www Exp $
+# $Id: londocs.pm,v 1.714 2024/12/27 02:32:55 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -33,17 +33,29 @@ use Apache::Constants qw(:common :http);
use Apache::imsexport;
use Apache::lonnet;
use Apache::loncommon;
-use Apache::lonratedt;
-use Apache::lonratsrv;
+use Apache::lonhtmlcommon;
+use LONCAPA::map();
+use Apache::lonratedt();
use Apache::lonxml;
-use Apache::loncreatecourse;
+use Apache::lonclonecourse;
use Apache::lonnavmaps;
+use Apache::lonnavdisplay();
+use Apache::lonextresedit();
+use Apache::lontemplate();
+use Apache::lonsimplepage();
+use Apache::lonhomework();
+use Apache::lonpublisher();
+use Apache::loncourserespicker();
use HTML::Entities;
+use HTML::TokeParser;
+use HTML::LCParser;
use GDBM_File;
+use File::MMagic;
+use File::Copy;
use Apache::lonlocal;
use Cwd;
-use lib '/home/httpd/lib/perl/';
-use LONCAPA;
+use UUID::Tiny ':std';
+use LONCAPA qw(:DEFAULT :match);
my $iconpath;
@@ -53,1216 +65,4783 @@ my $hashtied;
my %alreadyseen=();
my $hadchanges;
+my $suppchanges;
-# Available help topics
my %help=();
-# Mapread read maps into lonratedt::global arrays
-# @order and @resources, determines status
-# sets @order - pointer to resources in right order
-# sets @resources - array with the resources with correct idx
-#
sub mapread {
my ($coursenum,$coursedom,$map)=@_;
return
- &Apache::lonratedt::mapread('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
- $map);
+ &LONCAPA::map::mapread('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
+ $map);
}
sub storemap {
- my ($coursenum,$coursedom,$map)=@_;
+ my ($coursenum,$coursedom,$map,$contentchg)=@_;
+ my $report;
+ if (($contentchg) && ($map =~ /^default/)) {
+ $report = 1;
+ }
my ($outtext,$errtext)=
- &Apache::lonratedt::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
- $map,1);
+ &LONCAPA::map::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
+ $map,1,$report);
if ($errtext) { return ($errtext,2); }
-
- $hadchanges=1;
+
+ if ($map =~ /^default/) {
+ $hadchanges=1;
+ } elsif ($contentchg) {
+ $suppchanges=1;
+ }
return ($errtext,0);
}
-# ----------------------------------------- Return hash with valid author names
+
sub authorhosts {
my %outhash=();
my $home=0;
my $other=0;
- foreach (keys %env) {
- if ($_=~/^user\.role\.(au|ca)\.(.+)$/) {
+ my @ids=&Apache::lonnet::current_machine_ids();
+ foreach my $key (keys(%env)) {
+ if ($key=~/^user\.role\.(au|ca)\.(.+)$/) {
my $role=$1;
my $realm=$2;
- my ($start,$end)=split(/\./,$env{$_});
+ my ($start,$end)=split(/\./,$env{$key});
if (($start) && ($start>time)) { next; }
if (($end) && (time>$end)) { next; }
- my $ca; my $cd;
+ my ($ca,$cd);
if ($1 eq 'au') {
$ca=$env{'user.name'};
$cd=$env{'user.domain'};
} else {
- ($cd,$ca)=($realm=~/^\/(\w+)\/(\w+)$/);
+ ($cd,$ca)=($realm=~/^\/($match_domain)\/($match_username)$/);
}
my $allowed=0;
my $myhome=&Apache::lonnet::homeserver($ca,$cd);
- my @ids=&Apache::lonnet::current_machine_ids();
- foreach my $id (@ids) { if ($id eq $myhome) { $allowed=1; } }
+ foreach my $id (@ids) {
+ if ($id eq $myhome) {
+ $allowed=1;
+ last;
+ }
+ }
if ($allowed) {
$home++;
- $outhash{'home_'.$ca.'@'.$cd}=1;
+ $outhash{'home_'.$ca.':'.$cd}=1;
} else {
- $outhash{'otherhome_'.$ca.'@'.$cd}=$myhome;
+ $outhash{'otherhome_'.$ca.':'.$cd}=$myhome;
$other++;
}
}
}
return ($home,$other,%outhash);
}
-# ------------------------------------------------------ Generate "dump" button
-sub dumpbutton {
- my ($home,$other,%outhash)=&authorhosts();
- my $type = &Apache::loncommon::course_type();
- if ($home+$other==0) { return ''; }
- my $output='
';
- if ($home) {
- return ' | '.
- ''.
- &Apache::loncommon::help_open_topic('Docs_Dump_Course_Docs');
- } else {
- return' | '.
- &mt('Dump '.$type.
- ' DOCS to Construction Space: available on other servers');
- }
-}
sub clean {
my ($title)=@_;
$title=~s/[^\w\/\!\$\%\^\*\-\_\=\+\;\:\,\\\|\`\~]+/\_/gs;
- return $title;
+ return $title;
+}
+
+sub default_folderpath {
+ my ($coursenum,$coursedom,$navmapref) = @_;
+ return unless ($coursenum && $coursedom && ref($navmapref));
+# Check if entire course is hidden and/or encrypted
+ my ($hiddenmap,$encryptmap,$folderpath,$hiddentop);
+ my $toplevel = "uploaded/$coursedom/$coursenum/default.sequence";
+ unless (ref($$navmapref)) {
+ $$navmapref = Apache::lonnavmaps::navmap->new();
+ }
+ if (ref($$navmapref)) {
+ if (lc($$navmapref->get_mapparam(undef,$toplevel,"0.hiddenresource")) eq 'yes') {
+ my $filterFunc = sub { my $res = shift; return (!$res->randomout() && !$res->is_map()) };
+ my @resources = $$navmapref->retrieveResources($toplevel,$filterFunc,1,1);
+ unless (@resources) {
+ $hiddenmap = 1;
+ unless ($env{'request.role.adv'}) {
+ $hiddentop = 1;
+ if ($env{'form.folder'}) {
+ undef($env{'form.folder'});
+ }
+ }
+ }
+ }
+ if (lc($$navmapref->get_mapparam(undef,$toplevel,"0.encrypturl")) eq 'yes') {
+ $encryptmap = 1;
+ }
+ }
+ unless ($hiddentop) {
+ $folderpath='default&'.&escape(&mt('Main Content')).
+ '::'.$hiddenmap.':'.$encryptmap.'::';
+ }
+ if (wantarray) {
+ return ($folderpath,$hiddentop);
+ } else {
+ return $folderpath;
+ }
+}
+
+sub validate_supppath {
+ my ($coursenum,$coursedom) = @_;
+ my $backto;
+ if ($env{'form.supppath'} ne '') {
+ my @items = split(/\&/,$env{'form.supppath'});
+ my ($badpath,$got_supp,$supppath,%supphidden,%suppids);
+ for (my $i=0; $i<@items; $i++) {
+ my $odd = $i%2;
+ if ((!$odd) && ($items[$i] !~ /^supplemental(|_\d+)$/)) {
+ $badpath = 1;
+ last;
+ } elsif ($odd) {
+ my $suffix;
+ my $idx = $i-1;
+ if ($items[$i] =~ /^([^:]*)::(|1):::$/) {
+ $backto .= '&'.$1;
+ } elsif ($items[$idx] eq 'supplemental') {
+ $backto .= '&'.$items[$i];
+ } else {
+ $backto .= '&'.$items[$i];
+ my $is_hidden;
+ unless ($got_supp) {
+ my ($supplemental) = &Apache::loncommon::get_supplemental($coursenum,$coursedom);
+ if (ref($supplemental) eq 'HASH') {
+ if (ref($supplemental->{'hidden'}) eq 'HASH') {
+ %supphidden = %{$supplemental->{'hidden'}};
+ }
+ if (ref($supplemental->{'ids'}) eq 'HASH') {
+ %suppids = %{$supplemental->{'ids'}};
+ }
+ }
+ $got_supp = 1;
+ }
+ if (ref($suppids{"/uploaded/$coursedom/$coursenum/$items[$idx].sequence"}) eq 'ARRAY') {
+ my $mapid = $suppids{"/uploaded/$coursedom/$coursenum/$items[$idx].sequence"}->[0];
+ if ($supphidden{$mapid}) {
+ $is_hidden = 1;
+ }
+ }
+ $suffix = '::'.$is_hidden.':::';
+ }
+ $supppath .= '&'.$items[$i].$suffix;
+ } else {
+ $supppath .= '&'.$items[$i];
+ $backto .= '&'.$items[$i];
+ }
+ }
+ if ($badpath) {
+ delete($env{'form.supppath'});
+ } else {
+ $supppath =~ s/^\&//;
+ $backto =~ s/^\&//;
+ $env{'form.supppath'} = $supppath;
+ }
+ }
+ return $backto;
}
-# -------------------------------------------------------- Actually dump course
sub dumpcourse {
my ($r) = @_;
- my $type = &Apache::loncommon::course_type();
- $r->print(&Apache::loncommon::start_page('Dump '.$type.' DOCS to Construction Space').
- '');
+ my $formname = 'dumpdoc';
+ my $preamble = &authorspace_selector($r,$formname,$home,$title,%outhash);
+ my %uploadedfiles;
+ &tiehash();
+ foreach my $file (&Apache::lonclonecourse::crsdirlist($origcrsid,'userfiles')) {
+ my ($ext)=($file=~/\.(\w+)$/);
+# FIXME Check supplemental here
+ my $title=$hash{'title_'.$hash{
+ 'ids_/uploaded/'.$origcrsdata{'domain'}.'/'.$origcrsdata{'num'}.'/'.$file}};
+ if (!$title) {
+ $title=$file;
+ } else {
+ $title=~s|/|_|g;
+ }
+ $title=~s/\.(\w+)$//;
+ $title=&clean($title);
+ $title.='.'.$ext;
+# $r->print("\n | | "
+ $uploadedfiles{$file} = $title;
+ }
+ &untiehash();
+ $r->print(&Apache::loncourserespicker::create_picker($navmap,'dumpdocs',$formname,$crstype,undef,
+ undef,undef,$preamble,$home,\%uploadedfiles));
+ }
}
+ $r->print(&endContentScreen());
}
-# ------------------------------------------------------ Generate "export" button
-
-sub exportbutton {
- my $type = &Apache::loncommon::course_type();
- return ''.
- ''.
- &Apache::loncommon::help_open_topic('Docs_Export_Course_Docs');
+sub authorspace_selector {
+ my ($r,$formname,$home,$title,%outhash) = @_;
+ $r->print(' '.&mt('Searching ...').' '."\n");
+ $r->rflush();
+ my $preamble;
+ unless ($home==1) {
+ $preamble = ''.
+ ' '."\n";
+ }
+ $preamble .= ''.
+ ' '."\n";
+ return $preamble;
+}
+
+sub recurse_html {
+ my ($mm,$prefix,$currdirpath,$currurlpath,$container,$item,$replacehash,$deps) = @_;
+ return unless ((ref($replacehash) eq 'HASH') && (ref($deps) eq 'HASH'));
+ my (%allfiles,%codebase);
+ if (&Apache::lonnet::extract_embedded_items($currdirpath,\%allfiles,\%codebase) eq 'ok') {
+ if (keys(%allfiles)) {
+ foreach my $dependency (keys(%allfiles)) {
+ next if (($dependency =~ m{^/(res|adm)/}) || ($dependency =~ m{^https?://}));
+ my ($depurl,$relfile,$newcontainer);
+ if ($dependency =~ m{^/}) {
+ if ($dependency =~ m{^\Q$currurlpath/\E(.+)$}) {
+ $relfile = $1;
+ if ($dependency =~ m{^\Q$prefix\E(.+)$}) {
+ $newcontainer = $1;
+ next if ($replacehash->{$newcontainer});
+ }
+ $depurl = $dependency;
+ } else {
+ next;
+ }
+ } else {
+ $relfile = $dependency;
+ $depurl = $currurlpath;
+ $depurl =~ s{[^/]+$}{};
+ $depurl .= $dependency;
+ ($newcontainer) = ($depurl =~ m{^\Q$prefix\E(.+)$});
+ }
+ next if ($relfile eq '');
+ my $newname = $replacehash->{$container};
+ $newname =~ s{[^/]+$}{};
+ $replacehash->{$newcontainer} = $newname.$relfile;
+ $deps->{$item}{$newcontainer} = 1;
+ my ($newurlpath) = ($depurl =~ m{^(.*)/[^/]+$});
+ my $depfile = &Apache::lonnet::filelocation('',$depurl);
+ my $type = $mm->checktype_filename($depfile);
+ if ($type eq 'text/html') {
+ &recurse_html($mm,$prefix,$depfile,$newurlpath,$newcontainer,$item,$replacehash,$deps);
+ }
+ }
+ }
+ }
+ return;
}
-sub exportcourse {
- my $r=shift;
- my $type = &Apache::loncommon::course_type();
- my %discussiontime = &Apache::lonnet::dump('discussiontimes',
- $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
- my $numdisc = keys %discussiontime;
- my $navmap = Apache::lonnavmaps::navmap->new();
- my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef);
- my $curRes;
- my $outcome;
+sub copycrsauthored {
+ my ($r,$coursenum,$coursedom,$coursehome,$readonly) = @_;
+ my ($starthash,$js);
+ unless (($env{'form.authorspace'}) && ($env{'form.authorfolder'}=~/\w/)) {
+ $js = <<"ENDJS";
+
+ENDJS
+ $starthash = {
+ add_entries => {'onload' => "hide_searching();"},
+ };
+ }
+ $r->print(&Apache::loncommon::start_page('Copy from Course Authoring to User Authoring',$js,$starthash)."\n".
+ &Apache::lonhtmlcommon::breadcrumbs('Copy from Course Authoring Space')."\n");
+ $r->print(&startContentScreen('tools'));
+ my ($home,$other,%outhash)=&authorhosts();
+ unless ($home) {
+ $r->print(''.&mt('No author or co-author roles on this server.').' ');
+ $r->print(&endContentScreen());
+ return '';
+ }
+ my $is_course_home;
+ my @ids=&Apache::lonnet::current_machine_ids();
+ if (($coursehome ne '') && (grep(/^\Q$coursehome\E$/,@ids))) {
+ $is_course_home = 1;
+ }
+ my %origcrsdata=&Apache::lonnet::coursedescription($env{'request.course.id'});
+ my $exclude = &Apache::lonnet::priv_exclude();
+ my $srcurl = "/priv/$coursedom/$coursenum";
+ my $srctop = $r->dir_config('lonDocRoot').$srcurl;
+ if (($env{'form.authorspace'}) && ($env{'form.authorfolder'}=~/\w/)) {
+ $r->print(''.&mt('Copying Files and/or Sub-directories').'');
+ if ($readonly) {
+ $r->print(''.
+ &mt('You do not have permission to copy files and/or directories from Course Authoring Space.').
+ ' '.
+ &endContentScreen());
+ return '';
+ }
+ unless ($outhash{'home_'.$env{'form.authorspace'}}) {
+ $r->print(''.&mt('Selected Authoring Space is not on this server.').' '.
+ &endContentScreen());
+ return '';
+ }
+ my ($ca,$cd)=split(/\:/,$env{'form.authorspace'});
+ my $desturl = "/priv/$cd/$ca";
+ my $desttop = $r->dir_config('lonDocRoot').$desturl;
+ my $subdir = &clean($env{'form.authorfolder'});
+ $subdir = &cleandir($subdir);
+ if ($subdir eq '') {
+ $r->print(''.&mt('After removal of disallowed characters target sub-directory name was blank.').' '.
+ &endContentScreen());
+ return '';
+ } elsif ($subdir =~/^_+$/) {
+ $r->print(''.&mt('After replacement of non-alphanumeric characters with _ in target sub-directory name, nothing but underscores was left.').' '.
+ &endContentScreen());
+ return '';
+ }
+ my (%tocopy,%dirs_to_make,%files_to_copy);
+ map { $tocopy{&unescape($_)} = 1; } &Apache::loncommon::get_env_multiple('form.copytouser');
+ if (keys(%tocopy)) {
+ my (%subdirs,%files);
+ &Apache::lonnet::recursedirs($is_course_home,1,undef,$exclude,0,0,$srcurl,'',\%subdirs,\%files);
+ foreach my $possible (sort(keys(%tocopy))) {
+ if ($possible =~ m{/$}) {
+ my $possdir = $possible;
+ $possdir =~ s{^/+|/+$}{}g;
+ if (exists($subdirs{$possdir})) {
+ $dirs_to_make{$possdir} = 1;
+ } else {
+ delete($tocopy{$possible});
+ }
+ } else {
+ my ($path,$fname) = ($possible =~ m{(.*/)([^/]+)$});
+ my $found = 0;
+ if ($path eq '/') {
+ if (ref($files{$path}) eq 'HASH') {
+ if (exists($files{$path}{$fname})) {
+ $found = 1;
+ $files_to_copy{$fname} = 1;
+ }
+ }
+ } else {
+ $path =~ s{^/+|/+$}{}g;
+ if (ref($files{$path}) eq 'HASH') {
+ if (exists($files{$path}{$fname})) {
+ $dirs_to_make{$path} = 1;
+ $files_to_copy{"$path/$fname"} = 1;
+ $found = 1;
+ }
+ }
+ }
+ unless ($found) {
+ delete($tocopy{$possible});
+ }
+ }
+ }
+ } else {
+ $r->print(''.&mt('No files or directories selected for copying').' ');
+ $r->print(&endContentScreen());
+ return '';
+ }
+ if (keys(%tocopy)) {
+ my (%resdirs,%resfiles);
+ my $resurl = "/res/$coursedom/$coursenum";
+ my $res_exclude = &Apache::lonnet::res_exclude();
+ &Apache::lonnet::recursedirs($is_course_home,1,undef,$res_exclude,0,0,$resurl,'',\%resdirs,\%resfiles);
+ my ($notopdir,%newdir,%newfile,%checkdeps);
+ $r->print(''.&mt('Copy to: [_1]',
+ ''.$desturl.'/'.$subdir.'').
+ ' '."\n");
+ if (keys(%dirs_to_make)) {
+ unless (-e $desttop.'/'.$subdir) {
+ mkdir($desttop.'/'.$subdir,0755);
+ }
+ if (-e $desttop.'/'.$subdir) {
+ foreach my $dir (sort(keys(%dirs_to_make))) {
+ my @dirs=split(/\//,$dir);
+ my $path="$desttop/$subdir";
+ my $makepath=$path;
+ my $fail;
+ for (my $i=0;$i<@dirs;$i++) {
+ $makepath.='/'.$dirs[$i];
+ unless (-e $makepath) {
+ unless (mkdir($makepath,0755)) {
+ $fail = 1;
+ last;
+ }
+ if (($i == scalar(@dirs)-1) && (!$fail)) {
+ $newdir{$dir} = 1;
+ }
+ }
+ }
+ if ($fail) {
+ $r->print(''.&mt('Target directory: [_1] does not exist, and could not be created.',
+ ''.$desturl.'/'.$subdir.'/'.$dir.'').
+ ' '."\n");
+ }
+ }
+ } else {
+ $notopdir = 1;
+ }
+ }
+ if (keys(%files_to_copy)) {
+ unless (-e $desttop.'/'.$subdir) {
+ mkdir($desttop.'/'.$subdir,0755);
+ }
+ if (-e $desttop.'/'.$subdir) {
+ my $num = 0;
+ foreach my $file (keys(%files_to_copy)) {
+ my ($fail,$dup,$dir_is_file,$src,$dest,$path,$fname);
+ if ($file =~ m{/}) {
+ ($path,$fname) = ($file =~ m{^(.+)/([^/]+)$});
+ if (-d "$desttop/$subdir/$path") {
+ if (-e "$desttop/$subdir/$path/$fname") {
+ $dup = 1;
+ } else {
+ $src = "$srctop/$path/$fname";
+ $dest = "$desttop/$subdir/$path/$fname";
+ }
+ } elsif (-f "$desttop/$subdir/$path") {
+ $dir_is_file = 1;
+ } else {
+ $fail = 1;
+ }
+ } elsif (-e "$desttop/$subdir/$file") {
+ $dup = 1;
+ } else {
+ $src = "$srctop/$file";
+ $dest = "$desttop/$subdir/$file";
+ $fname = $file;
+ }
+ if ($fail) {
+ $r->print(''.&mt('Target directory: [_1] does not exist, and could not be created.',
+ ''.$desturl.'/'.$subdir.'/'.$path.'').
+ ' '."\n");
+ } elsif ($dup) {
+ $r->print(''.&mt('Target file: [_1] already exists -- not overwriting.',
+ ''.$desturl.'/'.$subdir.'/'.$file.'').
+ ' '."\n");
+ } elsif ($dir_is_file) {
+ $r->print(''.&mt('Target directory: [_1] name is already in a use for a file -- not overwriting.',
+ ''.$desturl.'/'.$subdir.'/'.$file.'').
+ ' '."\n");
+ } elsif (($src ne '') && ($dest ne '')) {
+ if ($is_course_home) {
+ if (&File::Copy::copy($src,$dest)) {
+ $newfile{$file} = 1;
+ }
+ } else {
+ if (&Apache::lonnet::repcopy_crsprivfile($srcurl.'/'.$file,$dest) eq 'ok') {
+ $newfile{$file} = 1;
+ }
+ }
+ if ($newfile{$file}) {
+ my $gotmeta;
+ if ($is_course_home) {
+ if ((-e $src.'.meta') && (!-e $dest.'.meta')) {
+ if (&File::Copy::copy($src.'.meta',$dest.'.meta')) {
+ $gotmeta = 1;
+ }
+ }
+ } else {
+ if (&Apache::lonnet::repcopy_crsprivfile($srcurl.'/'.$file.'.meta',$dest.'.meta') eq 'ok') {
+ $gotmeta = 1;
+ }
+ }
+ if ($gotmeta) {
+ if (open(my $fh,'<',$dest.'.meta')) {
+ my ($output,$now);
+ $now = time;
+ while (my $line=<$fh>) {
+ chomp($line);
+ if ($line eq "$coursenum:$coursedom") {
+ $output .= "$ca:$cd\n";
+ } elsif ($line eq 'custom') {
+ $output .= "default\n";
+ } elsif ($line =~ m{^\d+$}) {
+ $output .= "$now\n";
+ } elsif ($line eq "/res/$coursedom/$coursenum/default.rights") {
+ $output .= "\n";
+ } elsif ($line eq "$coursedom") {
+ $output .= "$cd\n";
+ } elsif ($line =~ m{^\d+$}) {
+ $output .= "$now\n";
+ } elsif ($line =~ m{^$match_username:$match_domain$}) {
+ $output .= "$env{'user.name'}:$env{'user.domain'}\n";
+ } elsif ($line eq "$coursenum:$coursedom") {
+ $output .= "$ca:$cd\n";
+ } elsif ($line =~ m{^(.+)$}) {
+ my @deps = split(/\s*,\s*/,$1);
+ my @newdeps;
+ my $changed = 0;
+ foreach my $dep (@deps) {
+ if ($dep =~ m{^/res/$coursedom/$coursenum/(.+)$}) {
+ my $rest = $1;
+ push(@newdeps,"/res/$cd/$ca/$rest");
+ $checkdeps{$rest} = 1;
+ $changed ++;
+ } else {
+ push(@newdeps,$dep);
+ }
+ }
+ if ($changed) {
+ $output .= ''.join(',',@newdeps).''."\n";
+ }
+ } else {
+ $output .= "$line\n";
+ }
+ }
+ close($fh);
+ if (open(my $fh,'>',$dest.'.meta')) {
+ print $fh $output;
+ close($fh);
+ }
+ }
+ }
+ my ($ext) = ($file =~ /\.(\w+)$/);
+ my $embstyle=&Apache::loncommon::fileembstyle($ext);
+ if ($embstyle eq 'ssi') {
+ my $outstring='';
+ my $changes = 0;
+ my @parser;
+ $parser[0]=HTML::LCParser->new($dest);
+ $parser[-1]->xml_mode(1);
+ my $token;
+ while (@parser) {
+ while ($token=$parser[-1]->get_token) {
+ if ($token->[0] eq 'S') {
+ my $tag=$token->[1];
+ my $lctag=lc($tag);
+ my %parms=%{$token->[2]};
+ foreach my $type ('src','href','background','bgimg') {
+ foreach my $key (keys(%parms)) {
+ if ($key =~ /^$type$/i) {
+ next if (($lctag eq 'img') && ($type eq 'src') &&
+ ($parms{$key} =~ m{^data\:image/gif;base64,}));
+ if ($parms{$key} =~ m{^\Q/res/$coursedom/$coursenum/\E}si) {
+ $parms{$key} =~ s{^\Q/res/$coursedom/$coursenum/\E}{/res/$cd/$ca/$subdir/}si;
+ $changes ++;
+ }
+ }
+ }
+ }
+ # probably a image type |