[BACK]Return to lonuserstate.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / rat

Diff for /rat/lonuserstate.pm between versions 1.104 and 1.123

version 1.104, 2006/02/23 18:08:43 version 1.123, 2007/08/28 16:45:20
Line 33  package Apache::lonuserstate; Line 33  package Apache::lonuserstate;
 use strict;  use strict;
 use HTML::TokeParser;  use HTML::TokeParser;
 use Apache::lonnet;  use Apache::lonnet;
   use Apache::lonlocal;
 use Apache::loncommon();  use Apache::loncommon();
 use GDBM_File;  use GDBM_File;
 use Apache::lonmsg;  use Apache::lonmsg;
Line 41  use Safe::Hole; Line 42  use Safe::Hole;
 use Opcode;  use Opcode;
 use Apache::lonenc;  use Apache::lonenc;
 use Fcntl qw(:flock);  use Fcntl qw(:flock);
   use LONCAPA;
    
   
 # ---------------------------------------------------- Globals for this package  # ---------------------------------------------------- Globals for this package
   
Line 49  my %hash;    # The big tied hash Line 52  my %hash;    # The big tied hash
 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
   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
 my %encurl; # URLs in this folder are supposed to be encrypted  my %encurl; # URLs in this folder are supposed to be encrypted
Line 93  sub processversionfile { Line 97  sub processversionfile {
     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};
     }      }
 }  }
   
Line 103  sub processversionfile { Line 107  sub processversionfile {
   
 sub loadmap {   sub loadmap { 
     my $uri=shift;      my $uri=shift;
     if ($hash{'map_pc_'.$uri}) { return; }      if ($hash{'map_pc_'.$uri}) { 
    $errtext.='<p class="LC_error">'.
       &mt('Multiple use of sequence/page [_1]! The course will not function properly.','<tt>'.$uri.'</tt>').
       '</p>';
    return; 
       }
     $pc++;      $pc++;
     my $lpc=$pc;      my $lpc=$pc;
     $hash{'map_pc_'.$uri}=$lpc;      $hash{'map_pc_'.$uri}=$lpc;
Line 117  sub loadmap { Line 125  sub loadmap {
   
     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;    return; 
     }      }
   
Line 228  sub loadmap { Line 236  sub loadmap {
                     my $rid=$lpc.'.'.$token->[2]->{'id'};                      my $rid=$lpc.'.'.$token->[2]->{'id'};
   
                     $hash{'kind_'.$rid}='cond';                      $hash{'kind_'.$rid}='cond';
                     $cond[$#cond+1]=$token->[2]->{'value'};      my $condition = $token->[2]->{'value'};
       $condition =~ s/[\n\r]+/ /gs; 
                       push(@cond, $condition);
                     $hash{'condid_'.$rid}=$#cond;                      $hash{'condid_'.$rid}=$#cond;
                     if ($token->[2]->{'type'}) {                      if ($token->[2]->{'type'}) {
                         $cond[$#cond].=':'.$token->[2]->{'type'};                          $cond[$#cond].=':'.$token->[2]->{'type'};
Line 277  sub loadmap { Line 287  sub loadmap {
     }      }
     $name=~s/^.*_([^_]*)$/$1/;      $name=~s/^.*_([^_]*)$/$1/;
                     my $newparam=                      my $newparam=
  &Apache::lonnet::escape($token->[2]->{'type'}).':'.   &escape($token->[2]->{'type'}).':'.
  &Apache::lonnet::escape($part.'.'.$name).'='.   &escape($part.'.'.$name).'='.
  &Apache::lonnet::escape($token->[2]->{'value'});   &escape($token->[2]->{'value'});
                     if (defined($hash{'param_'.$referid})) {                      if (defined($hash{'param_'.$referid})) {
                         $hash{'param_'.$referid}.='&'.$newparam;                          $hash{'param_'.$referid}.='&'.$newparam;
                     } else {                      } else {
                         $hash{'param_'.$referid}=''.$newparam;                          $hash{'param_'.$referid}=''.$newparam;
                     }                      }
                     if ($token->[2]->{'name'}=~/^parameter_(0_)*mapalias$/) {  
  $hash{'mapalias_'.$token->[2]->{'value'}}=$referid;  
                     }  
                     if ($token->[2]->{'name'}=~/^parameter_(0_)*randompick$/) {                      if ($token->[2]->{'name'}=~/^parameter_(0_)*randompick$/) {
  $randompick{$referid}=$token->[2]->{'value'};   $randompick{$referid}=$token->[2]->{'value'};
                     }                      }
                     if ($token->[2]->{'name'}=~/^parameter_(0_)*randompickseed$/) {                      if ($token->[2]->{'name'}=~/^parameter_(0_)*randompickseed$/) {
  $randompick{$referid}=$token->[2]->{'value'};   $randompickseed{$referid}=$token->[2]->{'value'};
                     }                      }
                     if ($token->[2]->{'name'}=~/^parameter_(0_)*encrypturl$/) {                      if ($token->[2]->{'name'}=~/^parameter_(0_)*encrypturl$/) {
  if ($token->[2]->{'value'}=~/^yes$/i) {   if ($token->[2]->{'value'}=~/^yes$/i) {
Line 310  sub loadmap { Line 317  sub loadmap {
         }          }
   
     } else {      } else {
         $errtext.='Map not loaded: The file ('.$fn.') does not exist. ';          $errtext.=&mt('<br />Map not loaded: The file <tt>[_1]</tt> does not exist.',$fn);
       }
   
       my $parser = HTML::TokeParser->new(\$instr);
       $parser->attr_encoded(1);
       # last parse out the mapalias params so as to ignore anything
       # refering to non-existant resources
       while (my $token = $parser->get_token) {
    next if ($token->[0] ne 'S');
    if ($token->[1] eq 'param') {
       &parse_mapalias_param($token,$lpc);
    } 
       }
   }
   
   sub parse_mapalias_param {
       my ($token,$lpc) = @_;
       my $referid=$lpc.'.'.$token->[2]->{'to'};
       return if (!exists($hash{'src_'.$referid}));
   
       if ($token->[2]->{'name'}=~/^parameter_(0_)*mapalias$/) {
    &count_mapalias($token->[2]->{'value'},$referid);
    $hash{'mapalias_'.$token->[2]->{'value'}}=$referid;
     }      }
 }  }
   
Line 319  sub loadmap { Line 348  sub loadmap {
 sub simplify {  sub simplify {
     my $expression=shift;      my $expression=shift;
 # (0&1) = 1  # (0&1) = 1
     $expression=~s/\(0\&(\d+)\)/$1/g;      $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;
 }  }
   
Line 342  sub simplify { Line 371  sub simplify {
 sub traceroute {  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=~/\&\Q$rid\E\&/) {
  $beenhere.=$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});
Line 357  sub traceroute { Line 386  sub traceroute {
   
  my $encrypt=&Apache::lonnet::EXT('resource.0.encrypturl',$symb);   my $encrypt=&Apache::lonnet::EXT('resource.0.encrypturl',$symb);
  if ($encflag || lc($encrypt) eq 'yes') { $encurl{$rid}=1; }   if ($encflag || lc($encrypt) eq 'yes') { $encurl{$rid}=1; }
  if (($retfurl eq '') && ($hash{'src_'.$rid})   if (($retfrid eq '') && ($hash{'src_'.$rid})
     && ($hash{'src_'.$rid}!~/\.sequence$/)) {      && ($hash{'src_'.$rid}!~/\.sequence$/)) {
     $retfurl=$hash{'src_'.$rid}.(($hash{'src_'.$rid}=~/\?/)?'&':'?').      $retfrid=$rid;
  'symb='.$symb;  
  }   }
  if (defined($hash{'conditions_'.$rid})) {   if (defined($hash{'conditions_'.$rid})) {
     $hash{'conditions_'.$rid}=simplify(      $hash{'conditions_'.$rid}=simplify(
Line 368  sub traceroute { Line 396  sub traceroute {
  } else {   } else {
     $hash{'conditions_'.$rid}=$sofar;      $hash{'conditions_'.$rid}=$sofar;
  }   }
  $newsofar=$hash{'conditions_'.$rid};  
    # if the expression is just the 0th condition keep it
    # otherwise leave a pointer to this condition expression
    $newsofar = ($sofar eq '0') ? $sofar : '_'.$rid;
   
  if (defined($hash{'is_map_'.$rid})) {   if (defined($hash{'is_map_'.$rid})) {
     if (defined($hash{'map_start_'.$hash{'src_'.$rid}})) {      if (defined($hash{'map_start_'.$hash{'src_'.$rid}})) {
  $sofar=$newsofar=   $sofar=$newsofar=
Line 379  sub traceroute { Line 411  sub traceroute {
     }      }
  }   }
  if (defined($hash{'to_'.$rid})) {   if (defined($hash{'to_'.$rid})) {
     foreach (split(/\,/,$hash{'to_'.$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);
     }      }
  }   }
Line 409  sub accinit { Line 440  sub accinit {
     foreach my $key (keys(%hash)) {      foreach my $key (keys(%hash)) {
  if ($key=~/^conditions/) {   if ($key=~/^conditions/) {
     my $expr=$hash{$key};      my $expr=$hash{$key};
     foreach my $sub ($expr=~m/(\(\(\d+(?:\&\d+)+\)(?:\|\(\d+(?:\&\d+)+\))+\))/g) {      # try to find and factor out common sub-expressions
       foreach my $sub ($expr=~m/(\(\([_\.\d]+(?:\&[_\.\d]+)+\)(?:\|\([_\.\d]+(?:\&[_\.\d]+)+\))+\))/g) {
  my $orig=$sub;   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));
   
    $sub=~s/\Q$factor\E//g;
  $sub=~s/^\(/\($factor\(/;   $sub=~s/^\(/\($factor\(/;
  $sub.=')';   $sub.=')';
  $sub=simplify($sub);   $sub=simplify($sub);
  $orig=~s/(\W)/\\$1/g;   $expr=~s/\Q$orig\E/$sub/;
  $expr=~s/$orig/$sub/;  
     }      }
     $hash{$key}=$expr;      $hash{$key}=$expr;
     unless (defined($captured{$expr})) {      unless (defined($captured{$expr})) {
Line 432  sub accinit { Line 465  sub accinit {
     foreach my $param (split(/\&/,$hash{$key})) {      foreach my $param (split(/\&/,$hash{$key})) {
  my ($typename,$value)=split(/\=/,$param);   my ($typename,$value)=split(/\=/,$param);
  my ($type,$name)=split(/\:/,$typename);   my ($type,$name)=split(/\:/,$typename);
  $parmhash{$prefix.'.'.&Apache::lonnet::unescape($name)}=   $parmhash{$prefix.'.'.&unescape($name)}=
     &Apache::lonnet::unescape($value);      &unescape($value);
  $parmhash{$prefix.'.'.&Apache::lonnet::unescape($name).'.type'}=   $parmhash{$prefix.'.'.&unescape($name).'.type'}=
     &Apache::lonnet::unescape($type);      &unescape($type);
     }      }
  }   }
     }      }
Line 456  sub accinit { Line 489  sub accinit {
     my $replace=$1;      my $replace=$1;
     my $regexp=$replace;      my $regexp=$replace;
     #$regexp=~s/\|/\\\|/g;      #$regexp=~s/\|/\\\|/g;
     $acchash{'acc.res.'.$short.'.'.$uripath}=~      $acchash{'acc.res.'.$short.'.'.$uripath} =~
  s/\Q$regexp\E/$replace\|$uricond/;   s/\Q$regexp\E/$replace\|$uricond/;
  } else {   } else {
     $acchash{'acc.res.'.$short.'.'.$uripath}.=      $acchash{'acc.res.'.$short.'.'.$uripath}.=
Line 486  sub hiddenurls { Line 519  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 539  sub hiddenurls { Line 572  sub hiddenurls {
 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');
   
Line 562  sub readmap { Line 595  sub readmap {
     undef %randompick;      undef %randompick;
     undef %hiddenurl;      undef %hiddenurl;
     undef %encurl;      undef %encurl;
     $retfurl='';      $retfrid='';
     if ($lock && (tie(%hash,'GDBM_File',"$fn.db",&GDBM_WRCREAT(),0640)) &&      if ($lock && (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;
    &clear_mapalias_count();
  &processversionfile(%cenv);   &processversionfile(%cenv);
  my $furi=&Apache::lonnet::clutter($uri);   my $furi=&Apache::lonnet::clutter($uri);
  $hash{'src_0.0'}=&versiontrack($furi);   $hash{'src_0.0'}=&versiontrack($furi);
Line 580  sub readmap { Line 614  sub readmap {
     &Apache::lonnet::appenv("request.course.id"  => $short,      &Apache::lonnet::appenv("request.course.id"  => $short,
     "request.course.fn"  => $fn,      "request.course.fn"  => $fn,
     "request.course.uri" => $uri);      "request.course.uri" => $uri);
       $env{'request.course.id'}=$short;
     &traceroute('0',$hash{'map_start_'.$uri},'&');      &traceroute('0',$hash{'map_start_'.$uri},'&');
     &accinit($uri,$short,$fn);      &accinit($uri,$short,$fn);
     &hiddenurls();      &hiddenurls();
  }   }
    $errtext .= &get_mapalias_errors();
 # ------------------------------------------------------- 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
    $hash{'first_rid'}=$retfrid;
    my ($mapid,$resid)=split(/\./,$retfrid);
    $hash{'first_mapurl'}=$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;   $hash{'first_url'}=$retfurl;
  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 671  sub evalstate { Line 719  sub evalstate {
     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 702  sub evalstate { Line 751  sub evalstate {
     return $state;      return $state;
 }  }
   
   {
       my %mapalias_cache;
       sub count_mapalias {
    my ($value,$resid) = @_;
     push(@{ $mapalias_cache{$value} }, $resid);
       }
   
       sub get_mapalias_errors {
    my $error_text;
    foreach my $mapalias (sort(keys(%mapalias_cache))) {
       next if (scalar(@{ $mapalias_cache{$mapalias} } ) == 1);
       my $count;
       my $which =
    join('</li><li>', 
        map {
    my $id = $_;
    if (exists($hash{'src_'.$id})) {
        $count++;
    }
    my ($mapid) = split(/\./,$id);
                            &mt('[_1] in [_2]', $hash{'title_'.$id},
   
        $hash{'title_'.$hash{'ids_'.$hash{'map_id_'.$mapid}}});
        } (@{ $mapalias_cache{$mapalias} }));
       next if ($count < 2);
       $error_text .= '<div class="LC_error">'.
    &mt('Error: Found the mapalias "[_1]" defined multiple times.',
       $mapalias).
    '</div><ul><li>'.$which.'</li></ul>';
    }
    &clear_mapalias_count();
    return $error_text;
       }
       sub clear_mapalias_count {
    undef(%mapalias_cache);
       }
   }
 1;  1;
 __END__  __END__
   
Removed from v.1.104  
changed lines
  Added in v.1.123

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