/[webpac2]/trunk/lib/WebPAC/Normalize.pm
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 813 by dpavlin, Sun Apr 1 21:47:47 2007 UTC revision 980 by dpavlin, Sat Nov 3 13:33:19 2007 UTC
# Line 1  Line 1 
1  package WebPAC::Normalize;  package WebPAC::Normalize;
2  use Exporter 'import';  use Exporter 'import';
3  @EXPORT = qw/  our @EXPORT = qw/
4          _set_rec _set_lookup          _set_rec _set_lookup
5          _set_load_row          _set_load_row
6          _get_ds _clean_ds          _get_ds _clean_ds
7          _debug          _debug
8          _pack_subfields_hash          _pack_subfields_hash
9    
10          tag search display          search_display search display sorted
11    
12          marc marc_indicators marc_repeatable_subfield          marc marc_indicators marc_repeatable_subfield
13          marc_compose marc_leader          marc_compose marc_leader marc_fixed
14          marc_duplicate marc_remove marc_count          marc_duplicate marc_remove marc_count
15          marc_original_order          marc_original_order
16    
17          rec1 rec2 rec          rec1 rec2 rec
18            frec
19          regex prefix suffix surround          regex prefix suffix surround
20          first lookup join_with          first lookup join_with
21          save_into_lookup          save_into_lookup
# Line 22  use Exporter 'import'; Line 24  use Exporter 'import';
24    
25          get set          get set
26          count          count
27    
28  /;  /;
29    
30  use warnings;  use warnings;
# Line 35  use Carp qw/confess/; Line 38  use Carp qw/confess/;
38  # debugging warn(s)  # debugging warn(s)
39  my $debug = 0;  my $debug = 0;
40    
41    use WebPAC::Normalize::ISBN;
42    push @EXPORT, ( 'isbn_10', 'isbn_13' );
43    
44  =head1 NAME  =head1 NAME
45    
46  WebPAC::Normalize - describe normalisaton rules using sets  WebPAC::Normalize - describe normalisaton rules using sets
47    
 =head1 VERSION  
   
 Version 0.27  
   
48  =cut  =cut
49    
50  our $VERSION = '0.27';  our $VERSION = '0.31';
51    
52  =head1 SYNOPSIS  =head1 SYNOPSIS
53    
# Line 59  means that you check it's validity befor Line 60  means that you check it's validity befor
60  C<perl -c normalize.pl>.  C<perl -c normalize.pl>.
61    
62  Normalisation can generate multiple output normalized data. For now, supported output  Normalisation can generate multiple output normalized data. For now, supported output
63  types (on the left side of definition) are: C<tag>, C<display>, C<search> and  types (on the left side of definition) are: C<search_display>, C<display>, C<search> and
64  C<marc>.  C<marc>.
65    
66  =head1 FUNCTIONS  =head1 FUNCTIONS
# Line 78  Return data structure Line 79  Return data structure
79          marc_encoding => 'utf-8',          marc_encoding => 'utf-8',
80          config => $config,          config => $config,
81          load_row_coderef => sub {          load_row_coderef => sub {
82                  my ($database,$input,$mfn) = shift;                  my ($database,$input,$mfn) = @_;
83                  $store->load_row( database => $database, input => $input, id => $mfn );                  $store->load_row( database => $database, input => $input, id => $mfn );
84          },          },
85    );    );
# Line 171  my ($out, $marc_record, $marc_encoding, Line 172  my ($out, $marc_record, $marc_encoding,
172  my ($marc_record_offset, $marc_fetch_offset) = (0, 0);  my ($marc_record_offset, $marc_fetch_offset) = (0, 0);
173    
174  sub _get_ds {  sub _get_ds {
175    
176    warn "## out = ",dump($out);
177    
178          return $out;          return $out;
179  }  }
180    
# Line 442  sub _debug { Line 446  sub _debug {
446    
447  Those functions generally have to first in your normalization file.  Those functions generally have to first in your normalization file.
448    
449  =head2 tag  =head2 search_display
450    
451  Define new tag for I<search> and I<display>.  Define output for L<search> and L<display> at the same time
452    
453    tag('Title', rec('200','a') );    search_display('Title', rec('200','a') );
454    
455    
456  =cut  =cut
457    
458  sub tag {  sub search_display {
459          my $name = shift or die "tag needs name as first argument";          my $name = shift or die "search_display needs name as first argument";
460          my @o = grep { defined($_) && $_ ne '' } @_;          my @o = grep { defined($_) && $_ ne '' } @_;
461          return unless (@o);          return unless (@o);
         $out->{$name}->{tag} = $name;  
462          $out->{$name}->{search} = \@o;          $out->{$name}->{search} = \@o;
463          $out->{$name}->{display} = \@o;          $out->{$name}->{display} = \@o;
464  }  }
465    
466    =head2 tag
467    
468    Old name for L<search_display>, but supported
469    
470    =cut
471    
472    sub tag {
473            search_display( @_ );
474    }
475    
476  =head2 display  =head2 display
477    
478  Define tag just for I<display>  Define output just for I<display>
479    
480    @v = display('Title', rec('200','a') );    @v = display('Title', rec('200','a') );
481    
482  =cut  =cut
483    
484  sub display {  sub _field {
485          my $name = shift or die "display needs name as first argument";          my $type = shift or confess "need type -- BUG?";
486            my $name = shift or confess "needs name as first argument";
487          my @o = grep { defined($_) && $_ ne '' } @_;          my @o = grep { defined($_) && $_ ne '' } @_;
488          return unless (@o);          return unless (@o);
489          $out->{$name}->{tag} = $name;          $out->{$name}->{$type} = \@o;
         $out->{$name}->{display} = \@o;  
490  }  }
491    
492    sub display { _field( 'display', @_ ) }
493    
494  =head2 search  =head2 search
495    
496  Prepare values just for I<search>  Prepare values just for I<search>
# Line 484  Prepare values just for I<search> Line 499  Prepare values just for I<search>
499    
500  =cut  =cut
501    
502  sub search {  sub search { _field( 'search', @_ ) }
503          my $name = shift or die "search needs name as first argument";  
504          my @o = grep { defined($_) && $_ ne '' } @_;  =head2 sorted
505          return unless (@o);  
506          $out->{$name}->{tag} = $name;  Insert into lists which will be automatically sorted
507          $out->{$name}->{search} = \@o;  
508  }   sorted('Title', rec('200','a') );
509    
510    =cut
511    
512    sub sorted { _field( 'sorted', @_ ) }
513    
514    
515  =head2 marc_leader  =head2 marc_leader
516    
# Line 517  sub marc_leader { Line 537  sub marc_leader {
537          }          }
538  }  }
539    
540    =head2 marc_fixed
541    
542    Create control/indentifier fields with values in fixed positions
543    
544      marc_fixed('008', 00, '070402');
545      marc_fixed('008', 39, '|');
546    
547    Positions not specified will be filled with spaces (C<0x20>).
548    
549    There will be no effort to extend last specified value to full length of
550    field in standard.
551    
552    =cut
553    
554    sub marc_fixed {
555            my ($f, $pos, $val) = @_;
556            die "need marc(field, position, value)" unless defined($f) && defined($pos);
557    
558            confess "need val" unless defined $val;
559    
560            my $update = 0;
561    
562            map {
563                    if ($_->[0] eq $f) {
564                            my $old = $_->[1];
565                            if (length($old) <= $pos) {
566                                    $_->[1] .= ' ' x ( $pos - length($old) ) . $val;
567                                    warn "## marc_fixed($f,$pos,'$val') append '$old' -> '$_->[1]'\n" if ($debug > 1);
568                            } else {
569                                    $_->[1] = substr($old, 0, $pos) . $val . substr($old, $pos + length($val));
570                                    warn "## marc_fixed($f,$pos,'$val') update '$old' -> '$_->[1]'\n" if ($debug > 1);
571                            }
572                            $update++;
573                    }
574            } @{ $marc_record->[ $marc_record_offset ] };
575    
576            if (! $update) {
577                    my $v = ' ' x $pos . $val;
578                    push @{ $marc_record->[ $marc_record_offset ] }, [ $f, $v ];
579                    warn "## marc_fixed($f,$pos,'val') created '$v'\n" if ($debug > 1);
580            }
581    }
582    
583  =head2 marc  =head2 marc
584    
585  Save value for MARC field  Save value for MARC field
# Line 831  sub _pack_subfields_hash { Line 894  sub _pack_subfields_hash {
894    
895          my ($h,$include_subfields) = @_;          my ($h,$include_subfields) = @_;
896    
897            # sanity and ease of use
898            return $h if (ref($h) ne 'HASH');
899    
900          if ( defined($h->{subfields}) ) {          if ( defined($h->{subfields}) ) {
901                  my $sfs = delete $h->{subfields} || die "no subfields?";                  my $sfs = delete $h->{subfields} || die "no subfields?";
902                  my @out;                  my @out;
# Line 935  return scalar, not array. Line 1001  return scalar, not array.
1001    
1002  =cut  =cut
1003    
1004    sub frec {
1005            my @out = rec(@_);
1006            warn "rec(",dump(@_),") has more than one return value, ignoring\n" if $#out > 0;
1007            return shift @out;
1008    }
1009    
1010  sub rec {  sub rec {
1011          my @out;          my @out;
1012          if ($#_ == 0) {          if ($#_ == 0) {
# Line 980  Prefix all values with a string Line 1052  Prefix all values with a string
1052  =cut  =cut
1053    
1054  sub prefix {  sub prefix {
1055          my $p = shift or return;          my $p = shift;
1056            return @_ unless defined( $p );
1057          return map { $p . $_ } grep { defined($_) } @_;          return map { $p . $_ } grep { defined($_) } @_;
1058  }  }
1059    
# Line 993  suffix all values with a string Line 1066  suffix all values with a string
1066  =cut  =cut
1067    
1068  sub suffix {  sub suffix {
1069          my $s = shift or die "suffix needs string as first argument";          my $s = shift;
1070            return @_ unless defined( $s );
1071          return map { $_ . $s } grep { defined($_) } @_;          return map { $_ . $s } grep { defined($_) } @_;
1072  }  }
1073    
# Line 1006  surround all values with a two strings Line 1080  surround all values with a two strings
1080  =cut  =cut
1081    
1082  sub surround {  sub surround {
1083          my $p = shift or die "surround need prefix as first argument";          my $p = shift;
1084          my $s = shift or die "surround needs suffix as second argument";          my $s = shift;
1085            $p = '' unless defined( $p );
1086            $s = '' unless defined( $s );
1087          return map { $p . $_ . $s } grep { defined($_) } @_;          return map { $p . $_ . $s } grep { defined($_) } @_;
1088  }  }
1089    
# Line 1182  Consult config values stored in C<config Line 1258  Consult config values stored in C<config
1258    $database_code = config();    # use _ from hash    $database_code = config();    # use _ from hash
1259    $database_name = config('name');    $database_name = config('name');
1260    $database_input_name = config('input name');    $database_input_name = config('input name');
   $tag = config('input normalize tag');  
1261    
1262  Up to three levels are supported.  Up to three levels are supported.
1263    

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