version 1.16, 2000/11/02 15:53:17
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version 1.21, 2000/12/28 21:42:28
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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, |
# 9/2,9/4,9/29,9/30,10/2,10/11,10/30,10/31,11/1,11/2 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 Gerd Kortemeyer |
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package Apache::lonuserstate; |
package Apache::lonuserstate; |
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Line 23 use Apache::lonnet();
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Line 24 use Apache::lonnet();
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use GDBM_File; |
use GDBM_File; |
use Apache::lonmsg; |
use Apache::lonmsg; |
use Safe; |
use Safe; |
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use Safe::Hole; |
use Opcode; |
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 168 sub loadmap {
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Line 171 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}=''.$newparam; |
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} |
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} |
} |
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} |
} |
Line 206 sub traceroute {
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Line 226 sub traceroute {
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$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 239 sub traceroute {
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Line 262 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 268 sub accinit {
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Line 291 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 ($_=~/^ids/) { |
Line 328 sub readmap {
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Line 362 sub readmap {
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unlink($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($uri); |
Line 337 sub readmap {
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Line 375 sub readmap {
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&traceroute('0',$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 355 sub readmap {
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Line 393 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); |
return $errtext; |
return ($retfurl,$errtext); |
} |
} |
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# ------------------------------------------------------- Evaluate state string |
# ------------------------------------------------------- Evaluate state string |
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sub evalstate { |
sub evalstate { |
my $safeeval = new Safe; |
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my $fn=$ENV{'request.course.fn'}.'.state'; |
my $fn=$ENV{'request.course.fn'}.'.state'; |
my $state='2'; |
my $state='2'; |
if (-e $fn) { |
if (-e $fn) { |
Line 370 sub evalstate {
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Line 408 sub evalstate {
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my $fh=Apache::File->new($fn); |
my $fh=Apache::File->new($fn); |
@conditions=<$fh>; |
@conditions=<$fh>; |
} |
} |
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my $safeeval = new Safe; |
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my $safehole = new Safe::Hole; |
$safeeval->permit("entereval"); |
$safeeval->permit("entereval"); |
$safeeval->permit(":base_math"); |
$safeeval->permit(":base_math"); |
$safeeval->deny(":base_io"); |
$safeeval->deny(":base_io"); |
$safeeval->share_from('Apache::lonnet',['&varval']); |
$safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT'); |
map { |
map { |
my $line=$_; |
my $line=$_; |
chomp($line); |
chomp($line); |
my ($condition,$weight)=split(/\:/,$_); |
my ($condition,$weight)=split(/\:/,$_); |
$condition=~s/\[([\w\.]+)\]/\&varval\(\'$1\'\)/g; |
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if ($safeeval->reval($condition)) { |
if ($safeeval->reval($condition)) { |
if ($weight eq 'force') { |
if ($weight eq 'force') { |
$state.='3'; |
$state.='3'; |