/[webpac2]/trunk/lib/WebPAC/Normalize.pm
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revision 889 by dpavlin, Thu Sep 6 19:12:15 2007 UTC revision 1012 by dpavlin, Wed Nov 7 09:19:29 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_ds _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_fixed          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 0.29  
   
48  =cut  =cut
49    
50  our $VERSION = '0.29';  our $VERSION = '0.32';
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 => $mfn );
84          },          },
85    );    );
# Line 104  sub data_structure { Line 105  sub data_structure {
105          die "need row argument" unless ($arg->{row});          die "need row argument" unless ($arg->{row});
106          die "need normalisation argument" unless ($arg->{rules});          die "need normalisation argument" unless ($arg->{rules});
107    
         no strict 'subs';  
108          _set_lookup( $arg->{lookup} ) if defined($arg->{lookup});          _set_lookup( $arg->{lookup} ) if defined($arg->{lookup});
109          _set_rec( $arg->{row} );          _set_ds( $arg->{row} );
110          _set_config( $arg->{config} ) if defined($arg->{config});          _set_config( $arg->{config} ) if defined($arg->{config});
111          _clean_ds( %{ $arg } );          _clean_ds( %{ $arg } );
112          $load_row_coderef = $arg->{load_row_coderef};          $load_row_coderef = $arg->{load_row_coderef};
113    
114          eval "$arg->{rules}";          no strict 'subs';
115            no warnings 'redefine';
116            eval "$arg->{rules};";
117          die "error evaling $arg->{rules}: $@\n" if ($@);          die "error evaling $arg->{rules}: $@\n" if ($@);
118    
119          return _get_ds();          return _get_ds();
120  }  }
121    
122  =head2 _set_rec  =head2 _set_ds
123    
124  Set current record hash  Set current record hash
125    
126    _set_rec( $rec );    _set_ds( $rec );
127    
128  =cut  =cut
129    
130  my $rec;  my $rec;
131    
132  sub _set_rec {  sub _set_ds {
133          $rec = shift or die "no record hash";          $rec = shift or die "no record hash";
134  }  }
135    
# Line 171  my ($out, $marc_record, $marc_encoding, Line 173  my ($out, $marc_record, $marc_encoding,
173  my ($marc_record_offset, $marc_fetch_offset) = (0, 0);  my ($marc_record_offset, $marc_fetch_offset) = (0, 0);
174    
175  sub _get_ds {  sub _get_ds {
176    #warn "## out = ",dump($out);
177          return $out;          return $out;
178  }  }
179    
# Line 442  sub _debug { Line 445  sub _debug {
445    
446  Those functions generally have to first in your normalization file.  Those functions generally have to first in your normalization file.
447    
448  =head2 tag  =head2 search_display
449    
450  Define new tag for I<search> and I<display>.  Define output for L<search> and L<display> at the same time
451    
452    tag('Title', rec('200','a') );    search_display('Title', rec('200','a') );
453    
454    
455  =cut  =cut
456    
457  sub tag {  sub search_display {
458          my $name = shift or die "tag needs name as first argument";          my $name = shift or die "search_display needs name as first argument";
459          my @o = grep { defined($_) && $_ ne '' } @_;          my @o = grep { defined($_) && $_ ne '' } @_;
460          return unless (@o);          return unless (@o);
         $out->{$name}->{tag} = $name;  
461          $out->{$name}->{search} = \@o;          $out->{$name}->{search} = \@o;
462          $out->{$name}->{display} = \@o;          $out->{$name}->{display} = \@o;
463  }  }
464    
465    =head2 tag
466    
467    Old name for L<search_display>, but supported
468    
469    =cut
470    
471    sub tag {
472            search_display( @_ );
473    }
474    
475  =head2 display  =head2 display
476    
477  Define tag just for I<display>  Define output just for I<display>
478    
479    @v = display('Title', rec('200','a') );    @v = display('Title', rec('200','a') );
480    
481  =cut  =cut
482    
483  sub display {  sub _field {
484          my $name = shift or die "display needs name as first argument";          my $type = shift or confess "need type -- BUG?";
485            my $name = shift or confess "needs name as first argument";
486          my @o = grep { defined($_) && $_ ne '' } @_;          my @o = grep { defined($_) && $_ ne '' } @_;
487          return unless (@o);          return unless (@o);
488          $out->{$name}->{tag} = $name;          $out->{$name}->{$type} = \@o;
         $out->{$name}->{display} = \@o;  
489  }  }
490    
491    sub display { _field( 'display', @_ ) }
492    
493  =head2 search  =head2 search
494    
495  Prepare values just for I<search>  Prepare values just for I<search>
# Line 484  Prepare values just for I<search> Line 498  Prepare values just for I<search>
498    
499  =cut  =cut
500    
501  sub search {  sub search { _field( 'search', @_ ) }
502          my $name = shift or die "search needs name as first argument";  
503          my @o = grep { defined($_) && $_ ne '' } @_;  =head2 sorted
504          return unless (@o);  
505          $out->{$name}->{tag} = $name;  Insert into lists which will be automatically sorted
506          $out->{$name}->{search} = \@o;  
507  }   sorted('Title', rec('200','a') );
508    
509    =cut
510    
511    sub sorted { _field( 'sorted', @_ ) }
512    
513    
514  =head2 marc_leader  =head2 marc_leader
515    
# Line 997  sub rec { Line 1016  sub rec {
1016          }          }
1017  }  }
1018    
1019    =head2 frec
1020    
1021    Returns first value from field
1022    
1023      $v = frec('200');
1024      $v = frec('200','a');
1025    
1026    =cut
1027    
1028    sub frec {
1029            my @out = rec(@_);
1030            warn "rec(",dump(@_),") has more than one return value, ignoring\n" if $#out > 0;
1031            return shift @out;
1032    }
1033    
1034  =head2 regex  =head2 regex
1035    
1036  Apply regex to some or all values  Apply regex to some or all values
# Line 1232  Consult config values stored in C<config Line 1266  Consult config values stored in C<config
1266    $database_code = config();    # use _ from hash    $database_code = config();    # use _ from hash
1267    $database_name = config('name');    $database_name = config('name');
1268    $database_input_name = config('input name');    $database_input_name = config('input name');
   $tag = config('input normalize tag');  
1269    
1270  Up to three levels are supported.  Up to three levels are supported.
1271    

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