popfile-commit Mailing List for POPFile - Automatic Email Classification (Page 154)

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Update of /cvsroot/popfile/engine/Classifier
In directory sc8-pr-cvs1:/tmp/cvs-serv24532/Classifier

Modified Files:
	Bayes.pm 
Log Message:
Walk through and make sure that everytime we use a variable inside a regular expression we surround it with \Q and \E to prevent special characters inside the variable

Index: Bayes.pm
===================================================================
RCS file: /cvsroot/popfile/engine/Classifier/Bayes.pm,v
retrieving revision 1.103
retrieving revision 1.104
diff -C2 -d -r1.103 -r1.104
*** Bayes.pm	24 Feb 2003 23:40:19 -0000	1.103
--- Bayes.pm	27 Feb 2003 00:40:12 -0000	1.104
***************
*** 290,299 ****

      if ( $word ne '' ) {
! 		$word =~ /^(.)/;
! 		my $i = ord($1);

! 		$self->{matrix}{$bucket}[$i] = '' if ( !defined($self->{matrix}{$bucket}[$i]) );
! 		$self->{matrix}{$bucket}[$i] .= "|$word $value|" if ( ( $self->{matrix}{$bucket}[$i] =~ s/\|\Q$word\E (L?[\-\.\d]+)\|/\|$word $value\|/ ) == 0 );
! 	}
  }

--- 290,299 ----

      if ( $word ne '' ) {
!         $word =~ /^(.)/;
!         my $i = ord($1);

!         $self->{matrix}{$bucket}[$i] = '' if ( !defined($self->{matrix}{$bucket}[$i]) );
!         $self->{matrix}{$bucket}[$i] .= "|$word $value|" if ( ( $self->{matrix}{$bucket}[$i] =~ s/\|\Q$word\E (L?[\-\.\d]+)\|/\|$word $value\|/ ) == 0 );
!     }
  }

***************
*** 373,381 ****
      update_constants($self);

! 	# unclassified will always have the color black, note that unclassified is not
! 	# actually a bucket 
! 	
! 	$self->{colors}{unclassified} = 'black';
! 	
      print "Corpus loaded with $self->{full_total} entries\n" if $self->{debug};
  }
--- 373,381 ----
      update_constants($self);

!     # unclassified will always have the color black, note that unclassified is not
!     # actually a bucket 
!     
!     $self->{colors}{unclassified} = 'black';
!     
      print "Corpus loaded with $self->{full_total} entries\n" if $self->{debug};
  }
***************
*** 429,448 ****

              if ( /^([^ ]+) (.+)$/ )  {
!             	my $type  = $1;
!             	my $value = $2;

!             	$value =~ s/\\(\?|\*|\||\(|\)|\[|\]|\{|\}|\^|\$|\.)/$1/g;
                  $self->{magnets}{$bucket}{$type}{$value} = 1;
              } else {

!             	# This branch is used to catch the original magnets in an
!             	# old version of POPFile that were just there for from
!             	# addresses only

!             	if ( /^(.+)$/ ) {
! 					my $value = $1;
! 					$value =~ s/\\(\?|\*|\||\(|\)|\[|\]|\{|\}|\^|\$|\.)/$1/g;
! 	                $self->{magnets}{$bucket}{from}{$1} = 1;
! 	            }
              }
          }
--- 429,448 ----

              if ( /^([^ ]+) (.+)$/ )  {
!                 my $type  = $1;
!                 my $value = $2;

!                 $value =~ s/\\(\?|\*|\||\(|\)|\[|\]|\{|\}|\^|\$|\.)/$1/g;
                  $self->{magnets}{$bucket}{$type}{$value} = 1;
              } else {

!                 # This branch is used to catch the original magnets in an
!                 # old version of POPFile that were just there for from
!                 # addresses only

!                 if ( /^(.+)$/ ) {
!                     my $value = $1;
!                     $value =~ s/\\(\?|\*|\||\(|\)|\[|\]|\{|\}|\^|\$|\.)/$1/g;
!                     $self->{magnets}{$bucket}{from}{$1} = 1;
!                 }
              }
          }
***************
*** 538,544 ****
          for my $type (sort keys %{$self->{magnets}{$bucket}}) {

! 	    # You cannot use @ or $ inside a \Q\E regular expression and hence
! 	    # we have to change the $magnet and the text we are comparing against
! 	    # by changing the $ and @ signs to .

              my $noattype;
--- 538,544 ----
          for my $type (sort keys %{$self->{magnets}{$bucket}}) {

!         # You cannot use @ or $ inside a \Q\E regular expression and hence
!         # we have to change the $magnet and the text we are comparing against
!         # by changing the $ and @ signs to .

              my $noattype;
***************
*** 547,551 ****
              $noattype =~ s/[@\$]/\./g;

! 	    for my $magnet (sort keys %{$self->{magnets}{$bucket}{$type}}) {
                  my $regex;

--- 547,551 ----
              $noattype =~ s/[@\$]/\./g;

!         for my $magnet (sort keys %{$self->{magnets}{$bucket}{$type}}) {
                  my $regex;

***************
*** 699,703 ****

      if ( ( $total != 0 ) && ( $score{$ranking[0]} > log($self->{unclassified} * $total) ) ) {
! 		$class = $ranking[0];
      }

--- 699,703 ----

      if ( ( $total != 0 ) && ( $score{$ranking[0]} > log($self->{unclassified} * $total) ) ) {
!         $class = $ranking[0];
      }

***************
*** 761,775 ****
      while ( <$mail> ) {
          my $line;
! 		my $fileline;

          $line = $_;

! 		# This is done so that we remove the network style end of line CR LF 
! 		# and allow Perl to decide on the local system EOL which it will expand
! 		# out of \n when this gets written to the temp file
! 		
! 		$fileline = $line;
! 		$fileline =~ s/[\r\n]//g;
! 		$fileline .= "\n";

          # Check for an abort
--- 761,775 ----
      while ( <$mail> ) {
          my $line;
!         my $fileline;

          $line = $_;

!         # This is done so that we remove the network style end of line CR LF 
!         # and allow Perl to decide on the local system EOL which it will expand
!         # out of \n when this gets written to the temp file
!         
!         $fileline = $line;
!         $fileline =~ s/[\r\n]//g;
!         $fileline .= "\n";

          # Check for an abort
***************
*** 835,839 ****
          if ( $self->{configuration}->{configuration}{subject} ) {
              # Don't add the classification unless it is not present
!             if ( !( $msg_subject =~ /\[$classification\]/ ) && 
                   ( $self->{parameters}{$classification}{subject} == 1 ) &&
                   ( $self->{parameters}{$classification}{quarantine} == 0 ) )  {
--- 835,839 ----
          if ( $self->{configuration}->{configuration}{subject} ) {
              # Don't add the classification unless it is not present
!             if ( !( $msg_subject =~ /\[\Q$classification\E\]/ ) && 
                   ( $self->{parameters}{$classification}{subject} == 1 ) &&
                   ( $self->{parameters}{$classification}{quarantine} == 0 ) )  {
***************
*** 852,856 ****
      # Add the XTC header
      $msg_head_after .= "X-Text-Classification: $classification$eol" if ( ( $self->{configuration}->{configuration}{xtc}          ) &&
!       																     ( $self->{parameters}{$classification}{quarantine} == 0 ) );

      # Add the XPL header
--- 852,856 ----
      # Add the XTC header
      $msg_head_after .= "X-Text-Classification: $classification$eol" if ( ( $self->{configuration}->{configuration}{xtc}          ) &&
!                                                                          ( $self->{parameters}{$classification}{quarantine} == 0 ) );

      # Add the XPL header
***************
*** 881,891 ****
                  print $client "To: $self->{parser}->{to}$eol";
                  print $client "Date: $self->{parser}->{date}$eol";
! 				if ( $self->{configuration}->{configuration}{subject} ) {
! 					# Don't add the classification unless it is not present
! 					if ( !( $msg_subject =~ /\[$classification\]/ ) && 
! 						 ( $self->{parameters}{$classification}{subject} == 1 ) ) {
! 						$msg_subject = " [$classification]$msg_subject";
! 					}
! 				}
                  print $client "Subject:$msg_subject$eol";
                  print $client "X-Text-Classification: $classification$eol" if ( $self->{configuration}->{configuration}{xtc} );
--- 881,891 ----
                  print $client "To: $self->{parser}->{to}$eol";
                  print $client "Date: $self->{parser}->{date}$eol";
!                 if ( $self->{configuration}->{configuration}{subject} ) {
!                     # Don't add the classification unless it is not present
!                     if ( !( $msg_subject =~ /\[\Q$classification\E\]/ ) && 
!                          ( $self->{parameters}{$classification}{subject} == 1 ) ) {
!                         $msg_subject = " [$classification]$msg_subject";
!                     }
!                 }
                  print $client "Subject:$msg_subject$eol";
                  print $client "X-Text-Classification: $classification$eol" if ( $self->{configuration}->{configuration}{xtc} );

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popfile-commit Mailing List for POPFile - Automatic Email Classification (Page 154)

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