version 1.83, 2004/12/06 21:41:01
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version 1.118.2.2, 2007/06/28 23:26:38
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Line 31 package Apache::lonuserstate;
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Line 31 package Apache::lonuserstate;
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# ------------------------------------------------- modules used by this module |
# ------------------------------------------------- modules used by this module |
use strict; |
use strict; |
use Apache::Constants qw(:common :http); |
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use Apache::File; |
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use HTML::TokeParser; |
use HTML::TokeParser; |
use Apache::lonnet(); |
use Apache::lonnet; |
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use Apache::lonlocal; |
use Apache::loncommon(); |
use Apache::loncommon(); |
use GDBM_File; |
use GDBM_File; |
use Apache::lonmsg; |
use Apache::lonmsg; |
Line 42 use Safe;
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Line 41 use Safe;
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use Safe::Hole; |
use Safe::Hole; |
use Opcode; |
use Opcode; |
use Apache::lonenc; |
use Apache::lonenc; |
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use Fcntl qw(:flock); |
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use LONCAPA; |
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# ---------------------------------------------------- Globals for this package |
# ---------------------------------------------------- Globals for this package |
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Line 50 my %hash; # The big tied hash
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Line 52 my %hash; # The big tied hash
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my %parmhash;# The hash with the parameters |
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 |
my $retfurl; # variable with the very first URL in the course |
my $retfrid; # variable with the very first RID in the course |
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my $retfurl; # first URL |
my %randompick; # randomly picked resources |
my %randompick; # randomly picked resources |
my %randompickseed; # optional seed for randomly picking resources |
my %randompickseed; # optional seed for randomly picking resources |
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my %randomorder; # maps to order contents randomly |
my %encurl; # URLs in this folder are supposed to be encrypted |
my %encurl; # URLs in this folder are supposed to be encrypted |
my %hiddenurl; # this URL (or complete folder) is supposed to be hidden |
my %hiddenurl; # this URL (or complete folder) is supposed to be hidden |
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Line 74 sub versiontrack {
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Line 78 sub versiontrack {
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sub putinversion { |
sub putinversion { |
my $uri=shift; |
my $uri=shift; |
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my $key=$env{'request.course.id'}.'_'.&Apache::lonnet::clutter($uri); |
if ($hash{'version_'.$uri}) { |
if ($hash{'version_'.$uri}) { |
my $version=$hash{'version_'.$uri}; |
my $version=$hash{'version_'.$uri}; |
if ($version eq 'mostrecent') { return $uri; } |
if ($version eq 'mostrecent') { return $uri; } |
Line 82 sub putinversion {
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Line 87 sub putinversion {
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{ return $uri; } |
{ return $uri; } |
$uri=~s/\.(\w+)$/\.$version\.$1/; |
$uri=~s/\.(\w+)$/\.$version\.$1/; |
} |
} |
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&Apache::lonnet::do_cache_new('courseresversion',$key,&Apache::lonnet::declutter($uri),600); |
return $uri; |
return $uri; |
} |
} |
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Line 92 sub processversionfile {
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Line 98 sub processversionfile {
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my %versions=&Apache::lonnet::dump('resourceversions', |
my %versions=&Apache::lonnet::dump('resourceversions', |
$cenv{'domain'}, |
$cenv{'domain'}, |
$cenv{'num'}); |
$cenv{'num'}); |
foreach (keys %versions) { |
foreach my $ver (keys(%versions)) { |
if ($_=~/^error\:/) { return; } |
if ($ver=~/^error\:/) { return; } |
$hash{'version_'.$_}=$versions{$_}; |
$hash{'version_'.$ver}=$versions{$ver}; |
} |
} |
} |
} |
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# --------------------------------------------------------- Loads map from disk |
# --------------------------------------------------------- Loads map from disk |
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sub loadmap { |
sub loadmap { |
my $uri=shift; |
my ($uri,$parent_rid)=@_; |
if ($hash{'map_pc_'.$uri}) { return OK; } |
if ($hash{'map_pc_'.$uri}) { |
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$errtext.=&mt('<br />Multiple use of sequence/page <tt>[_1]</tt>! The course will not function properly.',$uri); |
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return; |
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} |
$pc++; |
$pc++; |
my $lpc=$pc; |
my $lpc=$pc; |
$hash{'map_pc_'.$uri}=$lpc; |
$hash{'map_pc_'.$uri}=$lpc; |
Line 116 sub loadmap {
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Line 124 sub loadmap {
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unless (($fn=~/\.sequence$/) || |
unless (($fn=~/\.sequence$/) || |
($fn=~/\.page$/)) { |
($fn=~/\.page$/)) { |
$errtext.="Invalid map: $fn\n"; |
$errtext.=&mt("<br />Invalid map: <tt>[_1]</tt>",$fn); |
return OK; |
return; |
} |
} |
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my $instr=&Apache::lonnet::getfile($fn); |
my $instr=&Apache::lonnet::getfile($fn); |
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unless ($instr eq -1) { |
if ($instr eq -1) { |
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$errtext.=&mt('<br />Map not loaded: The file <tt>[_1]</tt> does not exist.',$fn); |
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return; |
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} |
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# Successfully got file, parse it |
# Successfully got file, parse it |
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my $parser = HTML::TokeParser->new(\$instr); |
my $parser = HTML::TokeParser->new(\$instr); |
my $token; |
$parser->attr_encoded(1); |
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# first get all parameters |
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while (my $token = $parser->get_token) { |
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next if ($token->[0] ne 'S'); |
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if ($token->[1] eq 'param') { |
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&parse_param($token,$lpc); |
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} |
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} |
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#reset parser |
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$parser = HTML::TokeParser->new(\$instr); |
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$parser->attr_encoded(1); |
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my $linkpc=0; |
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$fn=~/\.(\w+)$/; |
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$hash{'map_type_'.$lpc}=$1; |
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my $randomize = ($randomorder{$parent_rid} =~ /^yes$/i); |
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my @map_ids; |
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while (my $token = $parser->get_token) { |
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next if ($token->[0] ne 'S'); |
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if ($token->[1] eq 'resource') { |
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push(@map_ids,&parse_resource($token,$lpc,$ispage,$uri)); |
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} elsif ($token->[1] eq 'link' && !$randomize) { |
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# ----------------------------------------------------------------------- Links |
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&make_link(++$linkpc,$lpc,$token->[2]->{'to'}, |
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$token->[2]->{'from'}, |
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$token->[2]->{'condition'}); |
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} elsif ($token->[1] eq 'condition' && !$randomize) { |
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&parse_condition($token,$lpc); |
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} |
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} |
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my $linkpc=0; |
if ($randomize) { |
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my $seed = (split(/\./,$parent_rid))[1]; |
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if ($randompickseed{$parent_rid}) { |
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$seed = $randompickseed{$parent_rid}; |
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} |
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my $rndseed=&Apache::lonnet::rndseed($seed); |
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&Apache::lonnet::setup_random_from_rndseed($rndseed); |
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my @map_ids=&Math::Random::random_permutation(@map_ids); |
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my $from = shift(@map_ids); |
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my $from_rid = $lpc.'.'.$from; |
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$hash{'map_start_'.$uri} = $from_rid; |
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$hash{'type_'.$from_rid}='start'; |
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while (my $to = shift(@map_ids)) { |
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&make_link(++$linkpc,$lpc,$to,$from); |
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my $to_rid = $lpc.'.'.$to; |
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$hash{'type_'.$to_rid}='normal'; |
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$from = $to; |
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$from_rid = $to_rid; |
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} |
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$fn=~/\.(\w+)$/; |
$hash{'map_finish_'.$uri}= $from_rid; |
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$hash{'type_'.$from_rid}='finish'; |
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} |
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} |
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$hash{'map_type_'.$lpc}=$1; |
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while ($token = $parser->get_token) { |
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if ($token->[0] eq 'S') { |
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if ($token->[1] eq 'resource') { |
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# -------------------------------------------------------------------- Resource |
# -------------------------------------------------------------------- Resource |
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sub parse_resource { |
my $rid=$lpc.'.'.$token->[2]->{'id'}; |
my ($token,$lpc,$ispage,$uri) = @_; |
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if ($token->[2]->{'type'} eq 'zombie') { next; } |
$hash{'kind_'.$rid}='res'; |
my $rid=$lpc.'.'.$token->[2]->{'id'}; |
$hash{'title_'.$rid}=$token->[2]->{'title'}; |
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my $turi=&versiontrack($token->[2]->{'src'}); |
$hash{'kind_'.$rid}='res'; |
if ($token->[2]->{'version'}) { |
$hash{'title_'.$rid}=$token->[2]->{'title'}; |
unless ($hash{'version_'.$turi}) { |
my $turi=&versiontrack($token->[2]->{'src'}); |
$hash{'version_'.$turi}=$1; |
if ($token->[2]->{'version'}) { |
} |
unless ($hash{'version_'.$turi}) { |
} |
$hash{'version_'.$turi}=$1; |
my $title=$token->[2]->{'title'}; |
} |
$title=~s/\&colon\;/\:/gs; |
} |
&Apache::lonnet::do_cache(\%Apache::lonnet::titlecache, |
my $title=$token->[2]->{'title'}; |
&Apache::lonnet::encode_symb($uri,$token->[2]->{'id'}, |
$title=~s/\&colon\;/\:/gs; |
$turi),$title,'title'); |
# my $symb=&Apache::lonnet::encode_symb($uri, |
unless ($ispage) { |
# $token->[2]->{'id'}, |
$turi=~/\.(\w+)$/; |
# $turi); |
my $embstyle=&Apache::loncommon::fileembstyle($1); |
# &Apache::lonnet::do_cache_new('title',$symb,$title); |
if ($token->[2]->{'external'} eq 'true') { # external |
unless ($ispage) { |
$turi=~s/^http\:\/\//\/adm\/wrapper\/ext\//; |
$turi=~/\.(\w+)$/; |
} elsif ($turi=~/^\/*uploaded\//) { # uploaded |
my $embstyle=&Apache::loncommon::fileembstyle($1); |
if (($embstyle eq 'img') || ($embstyle eq 'emb')) { |
if ($token->[2]->{'external'} eq 'true') { # external |
$turi='/adm/wrapper'.$turi; |
$turi=~s/^http\:\/\//\/adm\/wrapper\/ext\//; |
} elsif ($embstyle eq 'ssi') { |
} elsif ($turi=~/^\/*uploaded\//) { # uploaded |
#do nothing with these |
if (($embstyle eq 'img') |
} elsif ($turi!~/\.(sequence|page)$/) { |
|| ($embstyle eq 'emb') |
$turi='/adm/coursedocs/showdoc'.$turi; |
|| ($embstyle eq 'wrp')) { |
} |
$turi='/adm/wrapper'.$turi; |
} elsif ($turi=~/\S/) { # normal non-empty internal resource |
} elsif ($embstyle eq 'ssi') { |
my $mapdir=$uri; |
#do nothing with these |
$mapdir=~s/[^\/]+$//; |
} elsif ($turi!~/\.(sequence|page)$/) { |
$turi=&Apache::lonnet::hreflocation($mapdir,$turi); |
$turi='/adm/coursedocs/showdoc'.$turi; |
if (($embstyle eq 'img') || ($embstyle eq 'emb')) { |
} |
$turi='/adm/wrapper'.$turi; |
} elsif ($turi=~/\S/) { # normal non-empty internal resource |
} |
my $mapdir=$uri; |
} |
$mapdir=~s/[^\/]+$//; |
} |
$turi=&Apache::lonnet::hreflocation($mapdir,$turi); |
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if (($embstyle eq 'img') |
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|| ($embstyle eq 'emb') |
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|| ($embstyle eq 'wrp')) { |
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$turi='/adm/wrapper'.$turi; |
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} |
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} |
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} |
# Store reverse lookup, remove query string |
# Store reverse lookup, remove query string |
my $idsuri=$turi; |
my $idsuri=$turi; |
$idsuri=~s/\?.+$//; |
$idsuri=~s/\?.+$//; |
if (defined($hash{'ids_'.$idsuri})) { |
if (defined($hash{'ids_'.$idsuri})) { |
$hash{'ids_'.$idsuri}.=','.$rid; |
$hash{'ids_'.$idsuri}.=','.$rid; |
} else { |
} else { |
$hash{'ids_'.$idsuri}=''.$rid; |
$hash{'ids_'.$idsuri}=''.$rid; |
} |
} |
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if |
if ($turi=~/\/(syllabus|aboutme|navmaps|smppg|bulletinboard)$/) { |
($turi=~/\/(syllabus|aboutme|navmaps|smppg|bulletinboard)$/) { |
$turi.='?register=1'; |
$turi.='?register=1'; |
} |
} |
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$hash{'src_'.$rid}=$turi; |
$hash{'src_'.$rid}=$turi; |
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if ($token->[2]->{'external'} eq 'true') { |
if ($token->[2]->{'external'} eq 'true') { |
$hash{'ext_'.$rid}='true:'; |
$hash{'ext_'.$rid}='true:'; |
} else { |
} else { |
$hash{'ext_'.$rid}='false:'; |
$hash{'ext_'.$rid}='false:'; |
} |
} |
if ($token->[2]->{'type'}) { |
if ($token->[2]->{'type'}) { |
$hash{'type_'.$rid}=$token->[2]->{'type'}; |
$hash{'type_'.$rid}=$token->[2]->{'type'}; |
if ($token->[2]->{'type'} eq 'start') { |
if ($token->[2]->{'type'} eq 'start') { |
$hash{'map_start_'.$uri}="$rid"; |
$hash{'map_start_'.$uri}="$rid"; |
} |
} |
if ($token->[2]->{'type'} eq 'finish') { |
if ($token->[2]->{'type'} eq 'finish') { |
$hash{'map_finish_'.$uri}="$rid"; |
$hash{'map_finish_'.$uri}="$rid"; |
} |
} |
} else { |
} else { |
$hash{'type_'.$rid}='normal'; |
$hash{'type_'.$rid}='normal'; |
} |
} |
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if (($turi=~/\.sequence$/) || |
if (($turi=~/\.sequence$/) || |
($turi=~/\.page$/)) { |
($turi=~/\.page$/)) { |
$hash{'is_map_'.$rid}=1; |
$hash{'is_map_'.$rid}=1; |
&loadmap($turi,$rid); |
&loadmap($turi); |
} |
} |
return $token->[2]->{'id'}; |
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} |
} elsif ($token->[1] eq 'condition') { |
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# ------------------------------------------------------------------- Condition |
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my $rid=$lpc.'.'.$token->[2]->{'id'}; |
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$hash{'kind_'.$rid}='cond'; |
sub make_link { |
$cond[$#cond+1]=$token->[2]->{'value'}; |
my ($linkpc,$lpc,$to,$from,$condition) = @_; |
$hash{'condid_'.$rid}=$#cond; |
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if ($token->[2]->{'type'}) { |
my $linkid=$lpc.'.'.$linkpc; |
$cond[$#cond].=':'.$token->[2]->{'type'}; |
my $goesto=$lpc.'.'.$to; |
} else { |
my $comesfrom=$lpc.'.'.$from; |
$cond[$#cond].=':normal'; |
my $undercond=0; |
} |
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if ($condition) { |
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$undercond=$lpc.'.'.$condition; |
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} |
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$hash{'goesto_'.$linkid}=$goesto; |
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$hash{'comesfrom_'.$linkid}=$comesfrom; |
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$hash{'undercond_'.$linkid}=$undercond; |
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} elsif ($token->[1] eq 'link') { |
if (defined($hash{'to_'.$comesfrom})) { |
# ----------------------------------------------------------------------- Links |
$hash{'to_'.$comesfrom}.=','.$linkid; |
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} else { |
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$hash{'to_'.$comesfrom}=''.$linkid; |
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} |
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if (defined($hash{'from_'.$goesto})) { |
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$hash{'from_'.$goesto}.=','.$linkid; |
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} else { |
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$hash{'from_'.$goesto}=''.$linkid; |
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} |
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} |
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$linkpc++; |
# ------------------------------------------------------------------- Condition |
my $linkid=$lpc.'.'.$linkpc; |
sub parse_condition { |
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my ($token,$lpc) = @_; |
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my $rid=$lpc.'.'.$token->[2]->{'id'}; |
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$hash{'kind_'.$rid}='cond'; |
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$cond[$#cond+1]=$token->[2]->{'value'}; |
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$hash{'condid_'.$rid}=$#cond; |
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if ($token->[2]->{'type'}) { |
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$cond[$#cond].=':'.$token->[2]->{'type'}; |
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} else { |
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$cond[$#cond].=':normal'; |
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} |
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} |
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my $goesto=$lpc.'.'.$token->[2]->{'to'}; |
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my $comesfrom=$lpc.'.'.$token->[2]->{'from'}; |
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my $undercond=0; |
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if ($token->[2]->{'condition'}) { |
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$undercond=$lpc.'.'.$token->[2]->{'condition'}; |
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} |
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$hash{'goesto_'.$linkid}=$goesto; |
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$hash{'comesfrom_'.$linkid}=$comesfrom; |
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$hash{'undercond_'.$linkid}=$undercond; |
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if (defined($hash{'to_'.$comesfrom})) { |
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$hash{'to_'.$comesfrom}.=','.$linkid; |
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} else { |
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$hash{'to_'.$comesfrom}=''.$linkid; |
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} |
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if (defined($hash{'from_'.$goesto})) { |
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$hash{'from_'.$goesto}.=','.$linkid; |
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} else { |
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$hash{'from_'.$goesto}=''.$linkid; |
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} |
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} elsif ($token->[1] eq 'param') { |
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# ------------------------------------------------------------------- Parameter |
# ------------------------------------------------------------------- Parameter |
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my $referid=$lpc.'.'.$token->[2]->{'to'}; |
sub parse_param { |
my $name=$token->[2]->{'name'}; |
my ($token,$lpc) = @_; |
my $part; |
my $referid=$lpc.'.'.$token->[2]->{'to'}; |
if ($name=~/^parameter_(.*)_/) { |
my $name=$token->[2]->{'name'}; |
$part=$1; |
my $part; |
} else { |
if ($name=~/^parameter_(.*)_/) { |
$part=0; |
$part=$1; |
} |
} else { |
$name=~s/^.*_([^_]*)$/$1/; |
$part=0; |
my $newparam= |
} |
&Apache::lonnet::escape($token->[2]->{'type'}).':'. |
$name=~s/^.*_([^_]*)$/$1/; |
&Apache::lonnet::escape($part.'.'.$name).'='. |
my $newparam= |
&Apache::lonnet::escape($token->[2]->{'value'}); |
&escape($token->[2]->{'type'}).':'. |
if (defined($hash{'param_'.$referid})) { |
&escape($part.'.'.$name).'='. |
$hash{'param_'.$referid}.='&'.$newparam; |
&escape($token->[2]->{'value'}); |
} else { |
if (defined($hash{'param_'.$referid})) { |
$hash{'param_'.$referid}=''.$newparam; |
$hash{'param_'.$referid}.='&'.$newparam; |
} |
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if ($token->[2]->{'name'}=~/^parameter_(0_)*mapalias$/) { |
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$hash{'mapalias_'.$token->[2]->{'value'}}=$referid; |
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} |
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if ($token->[2]->{'name'}=~/^parameter_(0_)*randompick$/) { |
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$randompick{$referid}=$token->[2]->{'value'}; |
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} |
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if ($token->[2]->{'name'}=~/^parameter_(0_)*randompickseed$/) { |
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$randompick{$referid}=$token->[2]->{'value'}; |
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} |
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if ($token->[2]->{'name'}=~/^parameter_(0_)*encrypturl$/) { |
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if ($token->[2]->{'value'}=~/^yes$/i) { |
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$encurl{$referid}=1; |
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} |
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} |
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if ($token->[2]->{'name'}=~/^parameter_(0_)*hiddenresource$/) { |
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if ($token->[2]->{'value'}=~/^yes$/i) { |
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$hiddenurl{$referid}=1; |
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} |
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} |
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} |
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} |
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} |
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} else { |
} else { |
$errtext.='Map not loaded: The file does not exist. '; |
$hash{'param_'.$referid}=''.$newparam; |
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} |
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if ($token->[2]->{'name'}=~/^parameter_(0_)*mapalias$/) { |
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$hash{'mapalias_'.$token->[2]->{'value'}}=$referid; |
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} |
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if ($token->[2]->{'name'}=~/^parameter_(0_)*randompick$/) { |
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$randompick{$referid}=$token->[2]->{'value'}; |
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} |
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if ($token->[2]->{'name'}=~/^parameter_(0_)*randompickseed$/) { |
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$randompickseed{$referid}=$token->[2]->{'value'}; |
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} |
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if ($token->[2]->{'name'}=~/^parameter_(0_)*randomorder$/) { |
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$randomorder{$referid}=$token->[2]->{'value'}; |
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&Apache::lonnet::logthis("roing $referid ".$randomorder{$referid}); |
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} |
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if ($token->[2]->{'name'}=~/^parameter_(0_)*encrypturl$/) { |
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if ($token->[2]->{'value'}=~/^yes$/i) { |
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$encurl{$referid}=1; |
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} |
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} |
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if ($token->[2]->{'name'}=~/^parameter_(0_)*hiddenresource$/) { |
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if ($token->[2]->{'value'}=~/^yes$/i) { |
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$hiddenurl{$referid}=1; |
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} |
} |
} |
} |
} |
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# --------------------------------------------------------- Simplify expression |
# --------------------------------------------------------- Simplify expression |
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sub simplify { |
sub simplify { |
my $expression=shift; |
my $expression=shift; |
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# (0&1) = 1 |
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$expression=~s/\(0\&([_\.\d]+)\)/$1/g; |
# (8)=8 |
# (8)=8 |
$expression=~s/\((\d+)\)/$1/g; |
$expression=~s/\(([_\.\d]+)\)/$1/g; |
# 8&8=8 |
# 8&8=8 |
$expression=~s/(\D)(\d+)\&\2(\D)/$1$2$3/g; |
$expression=~s/([^_\.\d])([_\.\d]+)\&\2([^_\.\d])/$1$2$3/g; |
# 8|8=8 |
# 8|8=8 |
$expression=~s/(\D)(\d+)\|\2(\D)/$1$2$3/g; |
$expression=~s/([^_\.\d])([_\.\d]+)\|\2([^_\.\d])/$1$2$3/g; |
# (5&3)&4=5&3&4 |
# (5&3)&4=5&3&4 |
$expression=~s/\((\d+)((?:\&\d+)+)\)\&(\d+\D)/$1$2\&$3/g; |
$expression=~s/\(([_\.\d]+)((?:\&[_\.\d]+)+)\)\&([_\.\d]+[^_\.\d])/$1$2\&$3/g; |
# (((5&3)|(4&6)))=((5&3)|(4&6)) |
# (((5&3)|(4&6)))=((5&3)|(4&6)) |
$expression=~ |
$expression=~ |
s/\((\(\(\d+(?:\&\d+)*\)(?:\|\(\d+(?:\&\d+)*\))+\))\)/$1/g; |
s/\((\(\([_\.\d]+(?:\&[_\.\d]+)*\)(?:\|\([_\.\d]+(?:\&[_\.\d]+)*\))+\))\)/$1/g; |
# ((5&3)|(4&6))|(1&2)=(5&3)|(4&6)|(1&2) |
# ((5&3)|(4&6))|(1&2)=(5&3)|(4&6)|(1&2) |
$expression=~ |
$expression=~ |
s/\((\(\d+(?:\&\d+)*\))((?:\|\(\d+(?:\&\d+)*\))+)\)\|(\(\d+(?:\&\d+)*\))/\($1$2\|$3\)/g; |
s/\((\([_\.\d]+(?:\&[_\.\d]+)*\))((?:\|\([_\.\d]+(?:\&[_\.\d]+)*\))+)\)\|(\([_\.\d]+(?:\&[_\.\d]+)*\))/\($1$2\|$3\)/g; |
return $expression; |
return $expression; |
} |
} |
|
|
# -------------------------------------------------------- Build condition hash |
# -------------------------------------------------------- Build condition hash |
Line 335 sub traceroute {
|
Line 405 sub traceroute {
|
my ($sofar,$rid,$beenhere,$encflag,$hdnflag)=@_; |
my ($sofar,$rid,$beenhere,$encflag,$hdnflag)=@_; |
my $newsofar=$sofar=simplify($sofar); |
my $newsofar=$sofar=simplify($sofar); |
unless ($beenhere=~/\&$rid\&/) { |
unless ($beenhere=~/\&$rid\&/) { |
$beenhere.=$rid.'&'; |
$beenhere.=$rid.'&'; |
my ($mapid,$resid)=split(/\./,$rid); |
my ($mapid,$resid)=split(/\./,$rid); |
my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid},$resid,$hash{'src_'.$rid}); |
my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid},$resid,$hash{'src_'.$rid}); |
my $hidden=&Apache::lonnet::EXT('resource.0.hiddenresource',$symb); |
my $hidden=&Apache::lonnet::EXT('resource.0.hiddenresource',$symb); |
if ($hdnflag || lc($hidden) eq 'yes') { $hiddenurl{$rid}=1; } |
|
my $encrypt=&Apache::lonnet::EXT('resource.0.encrypturl',$symb); |
if ($hdnflag || lc($hidden) eq 'yes') { |
if ($encflag || lc($encrypt) eq 'yes') { $encurl{$rid}=1; } |
$hiddenurl{$rid}=1; |
if (($retfurl eq '') && ($hash{'src_'.$rid}) |
} |
&& ($hash{'src_'.$rid}!~/\.sequence$/)) { |
if (!$hdnflag && lc($hidden) eq 'no') { |
$retfurl=$hash{'src_'.$rid}.(($hash{'src_'.$rid}=~/\?/)?'&':'?'). |
delete($hiddenurl{$rid}); |
'symb='.$symb; |
} |
} |
|
if (defined($hash{'conditions_'.$rid})) { |
my $encrypt=&Apache::lonnet::EXT('resource.0.encrypturl',$symb); |
$hash{'conditions_'.$rid}=simplify( |
if ($encflag || lc($encrypt) eq 'yes') { $encurl{$rid}=1; } |
|
if (($retfrid eq '') && ($hash{'src_'.$rid}) |
|
&& ($hash{'src_'.$rid}!~/\.sequence$/)) { |
|
$retfrid=$rid; |
|
} |
|
if (defined($hash{'conditions_'.$rid})) { |
|
$hash{'conditions_'.$rid}=simplify( |
'('.$hash{'conditions_'.$rid}.')|('.$sofar.')'); |
'('.$hash{'conditions_'.$rid}.')|('.$sofar.')'); |
} else { |
} else { |
$hash{'conditions_'.$rid}=$sofar; |
$hash{'conditions_'.$rid}=$sofar; |
} |
} |
$newsofar=$hash{'conditions_'.$rid}; |
|
if (defined($hash{'is_map_'.$rid})) { |
# if the expression is just the 0th condition keep it |
if (defined($hash{'map_start_'.$hash{'src_'.$rid}})) { |
# otherwise leave a pointer to this condition expression |
$sofar=$newsofar= |
$newsofar = ($sofar eq '0') ? $sofar : '_'.$rid; |
&traceroute($sofar, |
|
$hash{'map_start_'.$hash{'src_'.$rid}},'&', |
if (defined($hash{'is_map_'.$rid})) { |
$encflag || $encurl{$rid}, |
if (defined($hash{'map_start_'.$hash{'src_'.$rid}})) { |
$hdnflag || $hiddenurl{$rid}); |
$sofar=$newsofar= |
} |
&traceroute($sofar, |
} |
$hash{'map_start_'.$hash{'src_'.$rid}},'&', |
if (defined($hash{'to_'.$rid})) { |
$encflag || $encurl{$rid}, |
foreach (split(/\,/,$hash{'to_'.$rid})) { |
$hdnflag || $hiddenurl{$rid}); |
|
} |
|
} |
|
if (defined($hash{'to_'.$rid})) { |
|
foreach my $id (split(/\,/,$hash{'to_'.$rid})) { |
my $further=$sofar; |
my $further=$sofar; |
if ($hash{'undercond_'.$_}) { |
if ($hash{'undercond_'.$id}) { |
if (defined($hash{'condid_'.$hash{'undercond_'.$_}})) { |
if (defined($hash{'condid_'.$hash{'undercond_'.$id}})) { |
$further=simplify('('.$further.')&('. |
$further=simplify('('.'_'.$rid.')&('. |
$hash{'condid_'.$hash{'undercond_'.$_}}.')'); |
$hash{'condid_'.$hash{'undercond_'.$id}}.')'); |
} else { |
} else { |
$errtext.='Undefined condition ID: ' |
$errtext.=&mt('<br />Undefined condition ID: [_1]',$hash{'undercond_'.$id}); |
.$hash{'undercond_'.$_}.'. '; |
} |
} |
|
} |
} |
$newsofar=&traceroute($further,$hash{'goesto_'.$_},$beenhere, |
$newsofar=&traceroute($further,$hash{'goesto_'.$id},$beenhere, |
$encflag,$hdnflag); |
$encflag,$hdnflag); |
} |
} |
} |
} |
} |
} |
return $newsofar; |
return $newsofar; |
} |
} |
Line 391 sub accinit {
|
Line 470 sub accinit {
|
my %captured=(); |
my %captured=(); |
my $condcounter=0; |
my $condcounter=0; |
$acchash{'acc.cond.'.$short.'.0'}=0; |
$acchash{'acc.cond.'.$short.'.0'}=0; |
foreach (keys %hash) { |
foreach my $key (keys(%hash)) { |
if ($_=~/^conditions/) { |
if ($key=~/^conditions/) { |
my $expr=$hash{$_}; |
my $expr=$hash{$key}; |
foreach ($expr=~m/(\(\(\d+(?:\&\d+)+\)(?:\|\(\d+(?:\&\d+)+\))+\))/g) { |
# try to find and factor out common sub-expressions |
my $sub=$_; |
foreach my $sub ($expr=~m/(\(\([_\.\d]+(?:\&[_\.\d]+)+\)(?:\|\([_\.\d]+(?:\&[_\.\d]+)+\))+\))/g) { |
my $orig=$_; |
my $orig=$sub; |
$sub=~/\(\((\d+\&(:?\d+\&)*)(?:\d+\&*)+\)(?:\|\(\1(?:\d+\&*)+\))+\)/; |
|
my $factor=$1; |
my ($factor) = ($sub=~/\(\(([_\.\d]+\&(:?[_\.\d]+\&)*)(?:[_\.\d]+\&*)+\)(?:\|\(\1(?:[_\.\d]+\&*)+\))+\)/); |
$sub=~s/$factor//g; |
next if (!defined($factor)); |
$sub=~s/^\(/\($factor\(/; |
|
$sub.=')'; |
$sub=~s/\Q$factor\E//g; |
$sub=simplify($sub); |
$sub=~s/^\(/\($factor\(/; |
$orig=~s/(\W)/\\$1/g; |
$sub.=')'; |
$expr=~s/$orig/$sub/; |
$sub=simplify($sub); |
} |
$expr=~s/\Q$orig\E/$sub/; |
$hash{$_}=$expr; |
} |
unless (defined($captured{$expr})) { |
$hash{$key}=$expr; |
$condcounter++; |
unless (defined($captured{$expr})) { |
$captured{$expr}=$condcounter; |
$condcounter++; |
$acchash{'acc.cond.'.$short.'.'.$condcounter}=$expr; |
$captured{$expr}=$condcounter; |
} |
$acchash{'acc.cond.'.$short.'.'.$condcounter}=$expr; |
} elsif ($_=~/^param_(\d+)\.(\d+)/) { |
} |
my $prefix=&Apache::lonnet::declutter($hash{'map_id_'.$1}). |
} elsif ($key=~/^param_(\d+)\.(\d+)/) { |
'___'.$2.'___'.&Apache::lonnet::declutter($hash{'src_'.$1.'.'.$2}); |
my $prefix=&Apache::lonnet::encode_symb($hash{'map_id_'.$1},$2, |
foreach (split(/\&/,$hash{$_})) { |
$hash{'src_'.$1.'.'.$2}); |
my ($typename,$value)=split(/\=/,$_); |
foreach my $param (split(/\&/,$hash{$key})) { |
my ($type,$name)=split(/\:/,$typename); |
my ($typename,$value)=split(/\=/,$param); |
$parmhash{$prefix.'.'.&Apache::lonnet::unescape($name)}= |
my ($type,$name)=split(/\:/,$typename); |
&Apache::lonnet::unescape($value); |
$parmhash{$prefix.'.'.&unescape($name)}= |
$parmhash{$prefix.'.'.&Apache::lonnet::unescape($name).'.type'}= |
&unescape($value); |
&Apache::lonnet::unescape($type); |
$parmhash{$prefix.'.'.&unescape($name).'.type'}= |
} |
&unescape($type); |
} |
} |
} |
} |
foreach (keys %hash) { |
} |
if ($_=~/^ids/) { |
foreach my $key (keys(%hash)) { |
foreach (split(/\,/,$hash{$_})) { |
if ($key=~/^ids/) { |
my $resid=$_; |
foreach my $resid (split(/\,/,$hash{$key})) { |
my $uri=$hash{'src_'.$resid}; |
my $uri=$hash{'src_'.$resid}; |
$uri=~s/^\/adm\/wrapper//; |
my ($uripath,$urifile) = |
$uri=&Apache::lonnet::declutter($uri); |
&Apache::lonnet::split_uri_for_cond($uri); |
my @uriparts=split(/\//,$uri); |
if ($uripath) { |
my $urifile=$uriparts[$#uriparts]; |
my $uricond='0'; |
$#uriparts--; |
if (defined($hash{'conditions_'.$resid})) { |
my $uripath=join('/',@uriparts); |
$uricond=$captured{$hash{'conditions_'.$resid}}; |
if ($uripath) { |
} |
my $uricond='0'; |
if (defined($acchash{'acc.res.'.$short.'.'.$uripath})) { |
if (defined($hash{'conditions_'.$resid})) { |
if ($acchash{'acc.res.'.$short.'.'.$uripath}=~ |
$uricond=$captured{$hash{'conditions_'.$resid}}; |
/(\&\Q$urifile\E\:[^\&]*)/) { |
} |
my $replace=$1; |
if (defined($acchash{'acc.res.'.$short.'.'.$uripath})) { |
my $regexp=$replace; |
if ($acchash{'acc.res.'.$short.'.'.$uripath}=~ |
#$regexp=~s/\|/\\\|/g; |
/(\&\Q$urifile\E\:[^\&]*)/) { |
$acchash{'acc.res.'.$short.'.'.$uripath} =~ |
my $replace=$1; |
s/\Q$regexp\E/$replace\|$uricond/; |
my $regexp=$replace; |
} else { |
#$regexp=~s/\|/\\\|/g; |
$acchash{'acc.res.'.$short.'.'.$uripath}.= |
$acchash{'acc.res.'.$short.'.'.$uripath} |
$urifile.':'.$uricond.'&'; |
=~s/\Q$regexp\E/$replace\|$uricond/; |
} |
} else { |
} else { |
$acchash{'acc.res.'.$short.'.'.$uripath}.= |
$acchash{'acc.res.'.$short.'.'.$uripath}= |
$urifile.':'.$uricond.'&'; |
'&'.$urifile.':'.$uricond.'&'; |
} |
} |
} else { |
} |
$acchash{'acc.res.'.$short.'.'.$uripath}= |
} |
'&'.$urifile.':'.$uricond.'&'; |
} |
} |
|
} |
|
} |
|
} |
|
} |
} |
$acchash{'acc.res.'.$short.'.'}='&:0&'; |
$acchash{'acc.res.'.$short.'.'}='&:0&'; |
my $courseuri=$uri; |
my $courseuri=$uri; |
Line 477 sub hiddenurls {
|
Line 552 sub hiddenurls {
|
my $mpc=$hash{'map_pc_'.$hash{'src_'.$rid}}; |
my $mpc=$hash{'map_pc_'.$hash{'src_'.$rid}}; |
# ------------------------------------------- put existing resources into array |
# ------------------------------------------- put existing resources into array |
my @currentrids=(); |
my @currentrids=(); |
foreach (sort(keys(%hash))) { |
foreach my $key (sort(keys(%hash))) { |
if ($_=~/^src_($mpc\.\d+)/) { |
if ($key=~/^src_($mpc\.\d+)/) { |
if ($hash{'src_'.$1}) { push @currentrids, $1; } |
if ($hash{'src_'.$1}) { push @currentrids, $1; } |
} |
} |
} |
} |
Line 504 sub hiddenurls {
|
Line 579 sub hiddenurls {
|
$hash{'randomout_'.$currentrids[$k]}=1; |
$hash{'randomout_'.$currentrids[$k]}=1; |
my ($mapid,$resid)=split(/\./,$currentrids[$k]); |
my ($mapid,$resid)=split(/\./,$currentrids[$k]); |
$randomoutentry.='&'. |
$randomoutentry.='&'. |
&Apache::lonnet::symbclean( |
&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid}, |
&Apache::lonnet::declutter($hash{'map_id_'.$mapid}). |
$resid, |
'___'.$resid.'___'. |
$hash{'src_'.$currentrids[$k]} |
&Apache::lonnet::declutter($hash{'src_'.$currentrids[$k]}) |
).'&'; |
).'&'; |
|
} |
} |
} |
} |
} |
} |
Line 517 sub hiddenurls {
|
Line 591 sub hiddenurls {
|
$hash{'randomout_'.$rid}=1; |
$hash{'randomout_'.$rid}=1; |
my ($mapid,$resid)=split(/\./,$rid); |
my ($mapid,$resid)=split(/\./,$rid); |
$randomoutentry.='&'. |
$randomoutentry.='&'. |
&Apache::lonnet::symbclean( |
&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid},$resid, |
&Apache::lonnet::declutter($hash{'map_id_'.$mapid}). |
$hash{'src_'.$rid}).'&'; |
'___'.$resid.'___'. |
|
&Apache::lonnet::declutter($hash{'src_'.$rid}) |
|
).'&'; |
|
} |
} |
# --------------------------------------- append randomout entry to environment |
# --------------------------------------- append randomout entry to environment |
if ($randomoutentry) { |
if ($randomoutentry) { |
Line 532 sub hiddenurls {
|
Line 603 sub hiddenurls {
|
# ---------------------------------------------------- Read map and all submaps |
# ---------------------------------------------------- Read map and all submaps |
|
|
sub readmap { |
sub readmap { |
my $short=shift; |
my $short=shift; |
$short=~s/^\///; |
$short=~s/^\///; |
my %cenv=&Apache::lonnet::coursedescription($short); |
my %cenv=&Apache::lonnet::coursedescription($short,{'freshen_cache'=>1}); |
my $fn=$cenv{'fn'}; |
my $fn=$cenv{'fn'}; |
my $uri; |
my $uri; |
$short=~s/\//\_/g; |
$short=~s/\//\_/g; |
unless ($uri=$cenv{'url'}) { |
unless ($uri=$cenv{'url'}) { |
&Apache::lonnet::logthis("<font color=blue>WARNING: ". |
&Apache::lonnet::logthis("<font color=blue>WARNING: ". |
"Could not load course $short.</font>"); |
"Could not load course $short.</font>"); |
return 'No course data available.'; |
return ('',&mt('No course data available.'));; |
} |
} |
@cond=('true:normal'); |
@cond=('true:normal'); |
unlink($fn.'.db'); |
|
unlink($fn.'_symb.db'); |
open(LOCKFILE,">$fn.db.lock"); |
unlink($fn.'.state'); |
my $lock=0; |
unlink($fn.'parms.db'); |
if (flock(LOCKFILE,LOCK_EX|LOCK_NB)) { |
undef %randompick; |
$lock=1; |
undef %hiddenurl; |
unlink($fn.'.db'); |
undef %encurl; |
unlink($fn.'_symb.db'); |
$retfurl=''; |
unlink($fn.'.state'); |
if ((tie(%hash,'GDBM_File',"$fn.db",&GDBM_WRCREAT(),0640)) && |
unlink($fn.'parms.db'); |
(tie(%parmhash,'GDBM_File',$fn.'_parms.db',&GDBM_WRCREAT(),0640))) { |
} |
%hash=(); |
undef %randompick; |
%parmhash=(); |
undef %hiddenurl; |
$errtext=''; |
undef %encurl; |
$pc=0; |
$retfrid=''; |
&processversionfile(%cenv); |
if ($lock && (tie(%hash,'GDBM_File',"$fn.db",&GDBM_WRCREAT(),0640)) && |
my $furi=&Apache::lonnet::clutter($uri); |
(tie(%parmhash,'GDBM_File',$fn.'_parms.db',&GDBM_WRCREAT(),0640))) { |
$hash{'src_0.0'}=&versiontrack($furi); |
%hash=(); |
$hash{'title_0.0'}=&Apache::lonnet::metadata($uri,'title'); |
%parmhash=(); |
$hash{'ids_'.$furi}='0.0'; |
$errtext=''; |
$hash{'is_map_0.0'}=1; |
$pc=0; |
loadmap($uri); |
&processversionfile(%cenv); |
if (defined($hash{'map_start_'.$uri})) { |
my $furi=&Apache::lonnet::clutter($uri); |
&Apache::lonnet::appenv("request.course.id" => $short, |
$hash{'src_0.0'}=&versiontrack($furi); |
"request.course.fn" => $fn, |
$hash{'title_0.0'}=&Apache::lonnet::metadata($uri,'title'); |
"request.course.uri" => $uri); |
$hash{'ids_'.$furi}='0.0'; |
&traceroute('0',$hash{'map_start_'.$uri},'&'); |
$hash{'is_map_0.0'}=1; |
&accinit($uri,$short,$fn); |
loadmap($uri,'0.0'); |
&hiddenurls(); |
if (defined($hash{'map_start_'.$uri})) { |
} |
&Apache::lonnet::appenv("request.course.id" => $short, |
|
"request.course.fn" => $fn, |
|
"request.course.uri" => $uri); |
|
$env{'request.course.id'}=$short; |
|
&traceroute('0',$hash{'map_start_'.$uri},'&'); |
|
&accinit($uri,$short,$fn); |
|
&hiddenurls(); |
|
} |
# ------------------------------------------------------- Put versions into src |
# ------------------------------------------------------- Put versions into src |
foreach (keys %hash) { |
foreach my $key (keys(%hash)) { |
if ($_=~/^src\_/) { |
if ($key=~/^src_/) { |
$hash{$_}=&putinversion($hash{$_}); |
$hash{$key}=&putinversion($hash{$key}); |
|
} elsif ($key =~ /^(map_(?:start|finish|pc)_)(.*)/) { |
|
my ($type, $url) = ($1,$2); |
|
my $value = $hash{$key}; |
|
$hash{$type.&putinversion($url)}=$value; |
|
} |
} |
} |
} |
|
# ---------------------------------------------------------------- Encrypt URLs |
# ---------------------------------------------------------------- Encrypt URLs |
foreach (keys %encurl) { |
foreach my $id (keys(%encurl)) { |
# $hash{'src_'.$_}=&Apache::lonenc::encrypted($hash{'src_'.$_}); |
# $hash{'src_'.$id}=&Apache::lonenc::encrypted($hash{'src_'.$id}); |
$hash{'encrypted_'.$_}=1; |
$hash{'encrypted_'.$id}=1; |
} |
} |
# ----------------------------------------------- Close hashes to finally store |
# ----------------------------------------------- Close hashes to finally store |
# --------------------------------- Routine must pass this point, no early outs |
# --------------------------------- Routine must pass this point, no early outs |
unless ((untie(%hash)) && (untie(%parmhash))) { |
$hash{'first_rid'}=$retfrid; |
&Apache::lonnet::logthis("<font color=blue>WARNING: ". |
my ($mapid,$resid)=split(/\./,$retfrid); |
"Could not untie coursemap $fn for $uri.</font>"); |
$hash{'first_mapurl'}=$hash{'map_id_'.$mapid}; |
} |
my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid},$resid,$hash{'src_'.$retfrid}); |
|
$retfurl=&add_get_param($hash{'src_'.$retfrid},{ 'symb' => $symb }); |
|
if ($hash{'encrypted_'.$retfrid}) { |
|
$retfurl=&Apache::lonenc::encrypted($retfurl,(&Apache::lonnet::allowed('adv') ne 'F')); |
|
} |
|
$hash{'first_url'}=$retfurl; |
|
unless ((untie(%hash)) && (untie(%parmhash))) { |
|
&Apache::lonnet::logthis("<font color=blue>WARNING: ". |
|
"Could not untie coursemap $fn for $uri.</font>"); |
|
} |
# ---------------------------------------------------- Store away initial state |
# ---------------------------------------------------- Store away initial state |
{ |
{ |
my $cfh; |
my $cfh; |
if ($cfh=Apache::File->new(">$fn.state")) { |
if (open($cfh,">$fn.state")) { |
print $cfh join("\n",@cond); |
print $cfh join("\n",@cond); |
} else { |
} else { |
&Apache::lonnet::logthis("<font color=blue>WARNING: ". |
&Apache::lonnet::logthis("<font color=blue>WARNING: ". |
"Could not write statemap $fn for $uri.</font>"); |
"Could not write statemap $fn for $uri.</font>"); |
} |
} |
} |
} |
} else { |
flock(LOCKFILE,LOCK_UN); |
&Apache::lonnet::logthis("<font color=blue>WARNING: ". |
close(LOCKFILE); |
"Could not tie coursemap $fn for $uri.</font>"); |
} else { |
} |
# if we are here it is likely because we are already trying to |
&Apache::lonmsg::author_res_msg($ENV{'request.course.uri'},$errtext); |
# initialize the course in another child, busy wait trying to |
|
# tie the hashes for the next 90 seconds, if we succeed forward |
|
# them on to navmaps, if we fail, throw up the Could not init |
|
# course screen |
|
if ($lock) { |
|
# Got the lock but not the DB files |
|
flock(LOCKFILE,LOCK_UN); |
|
} |
|
untie(%hash); |
|
untie(%parmhash); |
|
&Apache::lonnet::logthis("<font color=blue>WARNING: ". |
|
"Could not tie coursemap $fn for $uri.</font>"); |
|
my $i=0; |
|
while($i<90) { |
|
$i++; |
|
sleep(1); |
|
if (flock(LOCKFILE,LOCK_EX|LOCK_NB) && |
|
(tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640))) { |
|
if (tie(%parmhash,'GDBM_File',$fn.'_parms.db',&GDBM_READER(),0640)) { |
|
$retfurl='/adm/navmaps'; |
|
&Apache::lonnet::appenv("request.course.id" => $short, |
|
"request.course.fn" => $fn, |
|
"request.course.uri" => $uri); |
|
untie(%hash); |
|
untie(%parmhash); |
|
last; |
|
} |
|
} |
|
untie(%hash); |
|
untie(%parmhash); |
|
} |
|
flock(LOCKFILE,LOCK_UN); |
|
close(LOCKFILE); |
|
} |
|
&Apache::lonmsg::author_res_msg($env{'request.course.uri'},$errtext); |
# ------------------------------------------------- Check for critical messages |
# ------------------------------------------------- Check for critical messages |
|
|
my @what=&Apache::lonnet::dump('critical',$ENV{'user.domain'}, |
my @what=&Apache::lonnet::dump('critical',$env{'user.domain'}, |
$ENV{'user.name'}); |
$env{'user.name'}); |
if ($what[0]) { |
if ($what[0]) { |
if (($what[0] ne 'con_lost') && ($what[0]!~/^error\:/)) { |
if (($what[0] ne 'con_lost') && ($what[0]!~/^error\:/)) { |
$retfurl='/adm/email?critical=display'; |
$retfurl='/adm/email?critical=display'; |
} |
} |
} |
} |
return ($retfurl,$errtext); |
return ($retfurl,$errtext); |
} |
} |
|
|
# ------------------------------------------------------- Evaluate state string |
# ------------------------------------------------------- Evaluate state string |
|
|
sub evalstate { |
sub evalstate { |
my $fn=$ENV{'request.course.fn'}.'.state'; |
my $fn=$env{'request.course.fn'}.'.state'; |
my $state=''; |
my $state=''; |
if (-e $fn) { |
if (-e $fn) { |
my @conditions=(); |
my @conditions=(); |
{ |
{ |
my $fh=Apache::File->new($fn); |
open(my $fh,"<$fn"); |
@conditions=<$fh>; |
@conditions=<$fh>; |
|
close($fh); |
} |
} |
my $safeeval = new Safe; |
my $safeeval = new Safe; |
my $safehole = new Safe::Hole; |
my $safehole = new Safe::Hole; |
Line 652 sub evalstate {
|
Line 778 sub evalstate {
|
} |
} |
} |
} |
} |
} |
&Apache::lonnet::appenv('user.state.'.$ENV{'request.course.id'} => $state); |
&Apache::lonnet::appenv('user.state.'.$env{'request.course.id'} => $state); |
return $state; |
return $state; |
} |
} |
|
|