version 1.11, 2000/10/11 18:31:00
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version 1.22, 2001/07/05 18:14:17
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Line 11
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Line 11
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# 7/1,7/3,7/4,7/7,7/8,7/10 Gerd Kortemeyer) |
# 7/1,7/3,7/4,7/7,7/8,7/10 Gerd Kortemeyer) |
# |
# |
# 7/15,7/17,7/18,8/1,8/2,8/4,8/5,8/21,8/22,8/23,8/30, |
# 7/15,7/17,7/18,8/1,8/2,8/4,8/5,8/21,8/22,8/23,8/30, |
# 9/2,9/4,9/29,9/30,10/2,10/11 Gerd Kortemeyer |
# 9/2,9/4,9/29,9/30,10/2,10/11,10/30,10/31, |
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# 11/1,11/2,11/14,11/16,11/22,12/28, |
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# 07/05/01 Gerd Kortemeyer |
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package Apache::lonuserstate; |
package Apache::lonuserstate; |
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Line 21 use Apache::File;
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Line 23 use Apache::File;
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use HTML::TokeParser; |
use HTML::TokeParser; |
use Apache::lonnet(); |
use Apache::lonnet(); |
use GDBM_File; |
use GDBM_File; |
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use Apache::lonmsg; |
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use Safe; |
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use Safe::Hole; |
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use Opcode; |
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# ---------------------------------------------------- Globals for this package |
# ---------------------------------------------------- Globals for this package |
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my $pc; # Package counter |
my $pc; # Package counter |
my %hash; # The big tied hash |
my %hash; # The big tied hash |
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my %parmhash;# The hash with the parameters |
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 |
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my $retfurl; # variable with the very first URL in the course |
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# --------------------------------------------------------- Loads map from disk |
# --------------------------------------------------------- Loads map from disk |
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Line 48 sub loadmap {
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Line 56 sub loadmap {
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return OK; |
return OK; |
} |
} |
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my $ispage=($fn=~/\.page$/); |
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unless (-e $fn) { |
unless (-e $fn) { |
my $returned=Apache::lonnet::repcopy($fn); |
my $returned=Apache::lonnet::repcopy($fn); |
unless ($returned eq OK) { |
unless ($returned eq OK) { |
Line 91 sub loadmap {
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Line 101 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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unless ($ispage) { |
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$turi=~/\.(\w+)$/; |
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my $embstyle=&Apache::lonnet::fileembstyle($1); |
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if ($token->[2]->{'external'} eq 'true') { |
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$turi=~s/^http\:\/\//\/adm\/wrapper\/ext\//; |
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} else { |
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my $embstyle=&Apache::lonnet::fileembstyle($1); |
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if (($embstyle eq 'img') || ($embstyle eq 'emb')) { |
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$turi='/adm/wrapper'.$turi; |
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} |
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} |
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} |
$hash{'src_'.$rid}=$turi; |
$hash{'src_'.$rid}=$turi; |
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if (defined($hash{'ids_'.$turi})) { |
if (defined($hash{'ids_'.$turi})) { |
Line 99 sub loadmap {
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Line 121 sub loadmap {
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$hash{'ids_'.$turi}=''.$rid; |
$hash{'ids_'.$turi}=''.$rid; |
} |
} |
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if ($token->[2]->{'src'}=~/\/\//) { |
if ($token->[2]->{'external'} eq 'true') { |
$hash{'ext_'.$rid}='true:'; |
$hash{'ext_'.$rid}='true:'; |
} else { |
} else { |
$hash{'ext_'.$rid}='false:'; |
$hash{'ext_'.$rid}='false:'; |
Line 164 sub loadmap {
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Line 186 sub loadmap {
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} else { |
} else { |
$hash{'from_'.$goesto}=''.$linkid; |
$hash{'from_'.$goesto}=''.$linkid; |
} |
} |
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} elsif ($token->[1] eq 'param') { |
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# ------------------------------------------------------------------- Parameter |
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my $referid=$lpc.'.'.$token->[2]->{'to'}; |
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my $part=$token->[2]->{'part'}; |
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unless ($part) { $part=0; } |
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my $newparam= |
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&Apache::lonnet::escape($token->[2]->{'type'}).':'. |
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&Apache::lonnet::escape($part.'.'. |
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$token->[2]->{'name'}).'='. |
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&Apache::lonnet::escape($token->[2]->{'value'}); |
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if (defined($hash{'param_'.$referid})) { |
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$hash{'param_'.$referid}.='&'.$newparam; |
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} else { |
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$hash{'param_'.$referid}=''.$newparam; |
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} |
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} |
} |
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} |
} |
Line 202 sub traceroute {
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Line 241 sub traceroute {
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$sofar=simplify($sofar); |
$sofar=simplify($sofar); |
unless ($beenhere=~/\&$rid\&/) { |
unless ($beenhere=~/\&$rid\&/) { |
$beenhere.=$rid.'&'; |
$beenhere.=$rid.'&'; |
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if ($retfurl eq '') { |
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$retfurl=$hash{'src_'.$rid}; |
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} |
if (defined($hash{'conditions_'.$rid})) { |
if (defined($hash{'conditions_'.$rid})) { |
$hash{'conditions_'.$rid}=simplify( |
$hash{'conditions_'.$rid}=simplify( |
'('.$hash{'conditions_'.$rid}.')|('.$sofar.')'); |
'('.$hash{'conditions_'.$rid}.')|('.$sofar.')'); |
Line 235 sub traceroute {
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Line 277 sub traceroute {
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} |
} |
} |
} |
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# ------------------------------------------ Cascading conditions, quick access |
# ------------------------------ Cascading conditions, quick access, parameters |
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sub accinit { |
sub accinit { |
my ($uri,$short,$fn)=@_; |
my ($uri,$short,$fn)=@_; |
Line 249 sub accinit {
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Line 291 sub accinit {
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map { |
map { |
my $sub=$_; |
my $sub=$_; |
my $orig=$_; |
my $orig=$_; |
$sub=~/\(\((\d+\&(:?\d+\&)*)(?:\d+\&*)+\)(?:\|\(\1(?:\d+\&*)+\))+\)/; |
$sub=~/\(\((\d+\&(:?\d+\&)*)(?:\d+\&*)+\)(?:\|\(\1(?:\d+\&*)+\))+\)/; |
my $factor=$1; |
my $factor=$1; |
$sub=~s/$factor//g; |
$sub=~s/$factor//g; |
$sub=~s/^\(/\($factor\(/; |
$sub=~s/^\(/\($factor\(/; |
Line 264 sub accinit {
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Line 306 sub accinit {
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$captured{$expr}=$condcounter; |
$captured{$expr}=$condcounter; |
$acchash{'acc.cond.'.$short.'.'.$condcounter}=$expr; |
$acchash{'acc.cond.'.$short.'.'.$condcounter}=$expr; |
} |
} |
} |
} elsif ($_=~/^param_(\d+)\.(\d+)/) { |
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my $prefix=&Apache::lonnet::declutter($hash{'map_id_'.$1}). |
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'___'.$2.'___'.&Apache::lonnet::declutter($hash{'src_'.$1.'.'.$2}); |
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map { |
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my ($typename,$value)=split(/\=/,$_); |
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my ($type,$name)=split(/\:/,$typename); |
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$parmhash{$prefix.'.'.&Apache::lonnet::unescape($name)}= |
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&Apache::lonnet::unescape($value); |
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$parmhash{$prefix.'.'.&Apache::lonnet::unescape($name).'.type'}= |
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&Apache::lonnet::unescape($type); |
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} split(/\&/,$hash{$_}); |
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} |
} keys %hash; |
} keys %hash; |
map { |
map { |
if ($_=~/^ids/) { |
if ($_=~/^ids/) { |
my $resid=$hash{$_}; |
map { |
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my $resid=$_; |
my $uri=$hash{'src_'.$resid}; |
my $uri=$hash{'src_'.$resid}; |
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$uri=~s/^\/adm\/wrapper//; |
my @uriparts=split(/\//,$uri); |
my @uriparts=split(/\//,$uri); |
my $urifile=$uriparts[$#uriparts]; |
my $urifile=$uriparts[$#uriparts]; |
$#uriparts--; |
$#uriparts--; |
my $uripath=join('/',@uriparts); |
my $uripath=join('/',@uriparts); |
$uripath=~s/^\/res\///; |
$uripath=~s/^\/res\///; |
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my $uricond='0'; |
if (defined($hash{'conditions_'.$resid})) { |
if (defined($hash{'conditions_'.$resid})) { |
$urifile.=':'.$captured{$hash{'conditions_'.$resid}}; |
$uricond=$captured{$hash{'conditions_'.$resid}}; |
} else { |
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$urifile.=':0'; |
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} |
} |
if (defined($acchash{'acc.res.'.$short.'.'.$uripath})) { |
if (defined($acchash{'acc.res.'.$short.'.'.$uripath})) { |
$acchash{'acc.res.'.$short.'.'.$uripath}.=$urifile.'&'; |
if ($acchash{'acc.res.'.$short.'.'.$uripath}=~ |
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/(\&$urifile\:[^\&]*)/) { |
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my $replace=$1; |
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$acchash{'acc.res.'.$short.'.'.$uripath} |
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=~s/$replace/$replace\|$uricond/; |
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} else { |
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$acchash{'acc.res.'.$short.'.'.$uripath}.= |
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$urifile.':'.$uricond.'&'; |
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} |
} else { |
} else { |
$acchash{'acc.res.'.$short.'.'.$uripath}='&'.$urifile.'&'; |
$acchash{'acc.res.'.$short.'.'.$uripath}= |
} |
'&'.$urifile.':'.$uricond.'&'; |
} |
} |
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} split(/\,/,$hash{$_}); |
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} |
} keys %hash; |
} keys %hash; |
my $courseuri=$uri; |
my $courseuri=$uri; |
$courseuri=~s/^\/res\///; |
$courseuri=~s/^\/res\///; |
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&Apache::lonnet::delenv('(acc\.|httpref\.)'); |
&Apache::lonnet::appenv(%acchash, |
&Apache::lonnet::appenv(%acchash, |
"request.course.id" => $short, |
"request.course.id" => $short, |
"request.course.fn" => $fn, |
"request.course.fn" => $fn, |
Line 313 sub readmap {
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Line 378 sub readmap {
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unlink($fn.'.db'); |
unlink($fn.'.db'); |
unlink($fn.'_symb.db'); |
unlink($fn.'_symb.db'); |
unlink($fn.'.state'); |
unlink($fn.'.state'); |
if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_WRCREAT,0640)) { |
unlink($fn.'parms.db'); |
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$retfurl=''; |
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if ((tie(%hash,'GDBM_File',"$fn.db",&GDBM_WRCREAT,0640)) && |
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(tie(%parmhash,'GDBM_File',$fn.'_parms.db',&GDBM_WRCREAT,0640))) { |
%hash=(); |
%hash=(); |
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%parmhash=(); |
$errtext=''; |
$errtext=''; |
$pc=0; |
$pc=0; |
loadmap($uri); |
loadmap($uri); |
Line 322 sub readmap {
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Line 391 sub readmap {
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&traceroute('0',$hash{'map_start_'.$uri},'&'); |
&traceroute('0',$hash{'map_start_'.$uri},'&'); |
&accinit($uri,$short,$fn); |
&accinit($uri,$short,$fn); |
} |
} |
unless (untie(%hash)) { |
unless ((untie(%hash)) && (untie(%parmhash))) { |
&Apache::lonnet::logthis("<font color=blue>WARNING: ". |
&Apache::lonnet::logthis("<font color=blue>WARNING: ". |
"Could not untie coursemap $fn for $uri.</font>"); |
"Could not untie coursemap $fn for $uri.</font>"); |
} |
} |
Line 339 sub readmap {
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Line 408 sub readmap {
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&Apache::lonnet::logthis("<font color=blue>WARNING: ". |
&Apache::lonnet::logthis("<font color=blue>WARNING: ". |
"Could not tie coursemap $fn for $uri.</font>"); |
"Could not tie coursemap $fn for $uri.</font>"); |
} |
} |
return $errtext; |
&Apache::lonmsg::author_res_msg($ENV{'request.course.uri'},$errtext); |
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return ($retfurl,$errtext); |
} |
} |
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# ------------------------------------------------------- Evaluate state string |
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sub evalstate { |
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my $fn=$ENV{'request.course.fn'}.'.state'; |
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my $state='2'; |
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if (-e $fn) { |
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my @conditions=(); |
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{ |
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my $fh=Apache::File->new($fn); |
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@conditions=<$fh>; |
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} |
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my $safeeval = new Safe; |
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my $safehole = new Safe::Hole; |
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$safeeval->permit("entereval"); |
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$safeeval->permit(":base_math"); |
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$safeeval->deny(":base_io"); |
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$safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT'); |
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map { |
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my $line=$_; |
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chomp($line); |
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my ($condition,$weight)=split(/\:/,$_); |
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if ($safeeval->reval($condition)) { |
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if ($weight eq 'force') { |
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$state.='3'; |
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} else { |
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$state.='2'; |
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} |
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} else { |
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if ($weight eq 'stop') { |
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$state.='0'; |
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} else { |
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$state.='1'; |
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} |
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} |
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} @conditions; |
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} |
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&Apache::lonnet::appenv('user.state.'.$ENV{'request.course.id'} => $state); |
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return $state; |
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} |
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1; |
1; |
__END__ |
__END__ |
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