version 1.26, 2001/12/17 00:57:59
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version 1.47, 2002/11/18 15:17:56
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Line 67 my %parmhash;# The hash with the paramet
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Line 67 my %parmhash;# The hash with the paramet
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my @cond; # Array with all of the conditions |
my @cond; # Array with all of the conditions |
my $errtext; # variable with all errors |
my $errtext; # variable with all errors |
my $retfurl; # variable with the very first URL in the course |
my $retfurl; # variable with the very first URL in the course |
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my %randompick; # randomly picked resources |
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my %actualversion; # version of resource as loaded now |
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my %setversion; # forced version of resource |
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my %lastversion; # version when CC came in last |
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my $versionmode; # how versioning is handled in this course |
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# --------------------------------------------------------- Loads map from disk |
# --------------------------------------------------------- Loads map from disk |
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Line 79 sub loadmap {
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Line 84 sub loadmap {
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$hash{'map_pc_'.$uri}=$lpc; |
$hash{'map_pc_'.$uri}=$lpc; |
$hash{'map_id_'.$lpc}=$uri; |
$hash{'map_id_'.$lpc}=$uri; |
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my $fn='/home/httpd/html'.$uri; |
# Determine and check filename |
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my $fn=&Apache::lonnet::filelocation('',$uri); |
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my $ispage=($fn=~/\.page$/); |
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unless (($fn=~/\.sequence$/) || |
unless (($fn=~/\.sequence$/) || |
($fn=~/\.page$/)) { |
($fn=~/\.page$/)) { |
Line 87 sub loadmap {
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Line 95 sub loadmap {
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return OK; |
return OK; |
} |
} |
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my $ispage=($fn=~/\.page$/); |
my $instr=&Apache::lonnet::getfile($fn); |
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unless (-e $fn) { |
unless ($instr == -1) { |
my $returned=Apache::lonnet::repcopy($fn); |
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unless ($returned eq OK) { |
# Successfully got file, parse it |
$errtext.="Could not import: $fn - "; |
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if ($returned eq HTTP_SERVICE_UNAVAILABLE) { |
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$errtext.="Server unavailable\n"; |
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} |
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if ($returned eq HTTP_NOT_FOUND) { |
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$errtext.="File not found\n"; |
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} |
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if ($returned eq FORBIDDEN) { |
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$errtext.="Access forbidden\n"; |
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} |
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return OK; |
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} |
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} |
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if (-e $fn) { |
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my @content; |
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{ |
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my $fh=Apache::File->new($fn); |
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@content=<$fh>; |
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} |
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my $instr=join('',@content); |
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my $parser = HTML::TokeParser->new(\$instr); |
my $parser = HTML::TokeParser->new(\$instr); |
my $token; |
my $token; |
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Line 132 sub loadmap {
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Line 120 sub loadmap {
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$hash{'kind_'.$rid}='res'; |
$hash{'kind_'.$rid}='res'; |
$hash{'title_'.$rid}=$token->[2]->{'title'}; |
$hash{'title_'.$rid}=$token->[2]->{'title'}; |
my $turi=$token->[2]->{'src'}; |
my $turi=$token->[2]->{'src'}; |
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$Apache::lonnet::titlecache{ |
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&Apache::lonnet::symbclean( |
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&Apache::lonnet::declutter($uri).'___'. |
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$token->[2]->{'id'}.'___'. |
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&Apache::lonnet::declutter($turi))}= |
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$token->[2]->{'title'}; |
unless ($ispage) { |
unless ($ispage) { |
$turi=~/\.(\w+)$/; |
$turi=~/\.(\w+)$/; |
my $embstyle=&Apache::loncommon::fileembstyle($1); |
my $embstyle=&Apache::loncommon::fileembstyle($1); |
if ($token->[2]->{'external'} eq 'true') { |
if ($token->[2]->{'external'} eq 'true') { # external |
$turi=~s/^http\:\/\//\/adm\/wrapper\/ext\//; |
$turi=~s/^http\:\/\//\/adm\/wrapper\/ext\//; |
} else { |
} elsif ($turi=~/^\/*uploaded\//) { # uploaded |
my $embstyle=&Apache::loncommon::fileembstyle($1); |
if (($embstyle eq 'img') || ($embstyle eq 'emb') |
if (($embstyle eq 'img') || ($embstyle eq 'emb')) { |
|| ($embstyle eq 'ssi')) { |
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$turi='/adm/wrapper'.$turi; |
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} elsif ($turi!~/\.(sequence|page)$/) { |
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$turi='/adm/coursedocs/showdoc'.$turi; |
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} |
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} else { # normal internal resource |
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if (($embstyle eq 'img') || ($embstyle eq 'emb') |
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|| ($turi=~/\/(syllabus|aboutme|navmaps|smppg|bulletinboard)$/)) { |
$turi='/adm/wrapper'.$turi; |
$turi='/adm/wrapper'.$turi; |
} |
} |
} |
} |
Line 233 sub loadmap {
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Line 234 sub loadmap {
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} else { |
} else { |
$hash{'param_'.$referid}=''.$newparam; |
$hash{'param_'.$referid}=''.$newparam; |
} |
} |
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if ($token->[2]->{'name'} eq 'parameter_mapalias') { |
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$hash{'mapalias_'.$token->[2]->{'value'}}=$referid; |
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} |
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if ($token->[2]->{'name'} eq 'parameter_randompick') { |
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$randompick{$referid}=$token->[2]->{'value'}; |
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} |
} |
} |
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} |
} |
Line 272 sub traceroute {
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Line 278 sub traceroute {
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$sofar=simplify($sofar); |
$sofar=simplify($sofar); |
unless ($beenhere=~/\&$rid\&/) { |
unless ($beenhere=~/\&$rid\&/) { |
$beenhere.=$rid.'&'; |
$beenhere.=$rid.'&'; |
if ($retfurl eq '') { |
if (($retfurl eq '') && ($hash{'src_'.$rid})) { |
$retfurl=$hash{'src_'.$rid}; |
my ($mapid,$resid)=split(/\./,$rid); |
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$retfurl=$hash{'src_'.$rid}. |
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(($hash{'src_'.$rid}=~/\?/)?'&':'?').'symb='. |
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&Apache::lonnet::symbclean( |
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&Apache::lonnet::declutter($hash{'map_id_'.$mapid}). |
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'___'.$resid.'___'. |
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&Apache::lonnet::declutter($hash{'src_'.$rid})); |
} |
} |
if (defined($hash{'conditions_'.$rid})) { |
if (defined($hash{'conditions_'.$rid})) { |
$hash{'conditions_'.$rid}=simplify( |
$hash{'conditions_'.$rid}=simplify( |
Line 370 sub accinit {
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Line 382 sub accinit {
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if ($acchash{'acc.res.'.$short.'.'.$uripath}=~ |
if ($acchash{'acc.res.'.$short.'.'.$uripath}=~ |
/(\&$urifile\:[^\&]*)/) { |
/(\&$urifile\:[^\&]*)/) { |
my $replace=$1; |
my $replace=$1; |
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my $regexp=$replace; |
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$regexp=~s/\|/\\\|/g; |
$acchash{'acc.res.'.$short.'.'.$uripath} |
$acchash{'acc.res.'.$short.'.'.$uripath} |
=~s/$replace/$replace\|$uricond/; |
=~s/$regexp/$replace\|$uricond/; |
} else { |
} else { |
$acchash{'acc.res.'.$short.'.'.$uripath}.= |
$acchash{'acc.res.'.$short.'.'.$uripath}.= |
$urifile.':'.$uricond.'&'; |
$urifile.':'.$uricond.'&'; |
Line 394 sub accinit {
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Line 408 sub accinit {
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"request.course.uri" => $courseuri); |
"request.course.uri" => $courseuri); |
} |
} |
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# ------------------------------------- Selectively delete from randompick maps |
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sub pickrandom { |
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my $randomoutentry=''; |
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foreach my $rid (keys %randompick) { |
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my $rndpick=$randompick{$rid}; |
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my $mpc=$hash{'map_pc_'.$hash{'src_'.$rid}}; |
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# ------------------------------------------- put existing resources into array |
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my @currentrids=(); |
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foreach (keys %hash) { |
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if ($_=~/^src_($mpc\.\d+)/) { |
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if ($hash{'src_'.$1}) { push @currentrids, $1; } |
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} |
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} |
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next if ($#currentrids<$rndpick); |
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# -------------------------------- randomly eliminate the ones that should stay |
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srand(&Apache::lonnet::rndseed($rid)); # use rid instead of symb |
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for (my $i=1;$i<=$rndpick;$i++) { |
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while (1) { |
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my $randomidx=int(rand($#currentrids+1)); |
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if ($currentrids[$randomidx]) { |
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$currentrids[$randomidx]=''; |
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last; |
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} |
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} |
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} |
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# -------------------------------------------------------- delete the leftovers |
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for (my $k=0; $k<=$#currentrids; $k++) { |
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if ($currentrids[$k]) { |
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$hash{'randomout_'.$currentrids[$k]}=1; |
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my ($mapid,$resid)=split(/\./,$currentrids[$k]); |
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$randomoutentry.='&'. |
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&Apache::lonnet::symbclean( |
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&Apache::lonnet::declutter($hash{'map_id_'.$mapid}). |
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'___'.$resid.'___'. |
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&Apache::lonnet::declutter($hash{'src_'.$currentrids[$k]}) |
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).'&'; |
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} |
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} |
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} |
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if ($randomoutentry) { |
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&Apache::lonnet::appenv('acc.randomout' => $randomoutentry); |
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} |
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} |
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# ---------------------------------------------------- Read map and all submaps |
# ---------------------------------------------------- Read map and all submaps |
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sub readmap { |
sub readmap { |
Line 413 sub readmap {
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Line 472 sub readmap {
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unlink($fn.'_symb.db'); |
unlink($fn.'_symb.db'); |
unlink($fn.'.state'); |
unlink($fn.'.state'); |
unlink($fn.'parms.db'); |
unlink($fn.'parms.db'); |
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undef %randompick; |
$retfurl=''; |
$retfurl=''; |
if ((tie(%hash,'GDBM_File',"$fn.db",&GDBM_WRCREAT,0640)) && |
if ((tie(%hash,'GDBM_File',"$fn.db",&GDBM_WRCREAT(),0640)) && |
(tie(%parmhash,'GDBM_File',$fn.'_parms.db',&GDBM_WRCREAT,0640))) { |
(tie(%parmhash,'GDBM_File',$fn.'_parms.db',&GDBM_WRCREAT(),0640))) { |
%hash=(); |
%hash=(); |
%parmhash=(); |
%parmhash=(); |
$errtext=''; |
$errtext=''; |
$pc=0; |
$pc=0; |
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my $furi=&Apache::lonnet::clutter($uri); |
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$hash{'src_0.0'}=$furi; |
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$hash{'title_0.0'}=&Apache::lonnet::metadata($uri,'title'); |
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$hash{'ids_'.$furi}='0.0'; |
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$hash{'is_map_0.0'}=1; |
loadmap($uri); |
loadmap($uri); |
if (defined($hash{'map_start_'.$uri})) { |
if (defined($hash{'map_start_'.$uri})) { |
&traceroute('0',$hash{'map_start_'.$uri},'&'); |
&traceroute('0',$hash{'map_start_'.$uri},'&'); |
&accinit($uri,$short,$fn); |
&accinit($uri,$short,$fn); |
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&pickrandom(); |
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} |
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# ------------------------------------------------------------ Version tracking |
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if (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) { |
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&Apache::lonnet::logthis('Will be version tracking'); |
} |
} |
unless ((untie(%hash)) && (untie(%parmhash))) { |
unless ((untie(%hash)) && (untie(%parmhash))) { |
&Apache::lonnet::logthis("<font color=blue>WARNING: ". |
&Apache::lonnet::logthis("<font color=blue>WARNING: ". |
Line 443 sub readmap {
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Line 513 sub readmap {
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"Could not tie coursemap $fn for $uri.</font>"); |
"Could not tie coursemap $fn for $uri.</font>"); |
} |
} |
&Apache::lonmsg::author_res_msg($ENV{'request.course.uri'},$errtext); |
&Apache::lonmsg::author_res_msg($ENV{'request.course.uri'},$errtext); |
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# ------------------------------------------------- Check for critical messages |
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my @what=&Apache::lonnet::dump('critical',$ENV{'user.domain'}, |
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$ENV{'user.name'}); |
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if ($what[0]) { |
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if (($what[0] ne 'con_lost') && ($what[0]!~/^error\:/)) { |
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$retfurl='/adm/email?critical=display'; |
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} |
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} |
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return ($retfurl,$errtext); |
return ($retfurl,$errtext); |
} |
} |
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