/[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 217 by dpavlin, Mon Dec 5 17:47:51 2005 UTC revision 253 by dpavlin, Thu Dec 15 17:01:10 2005 UTC
# Line 11  WebPAC::Normalize - data mungling for no Line 11  WebPAC::Normalize - data mungling for no
11    
12  =head1 VERSION  =head1 VERSION
13    
14  Version 0.03  Version 0.05
15    
16  =cut  =cut
17    
18  our $VERSION = '0.03';  our $VERSION = '0.05';
19    
20  =head1 SYNOPSIS  =head1 SYNOPSIS
21    
# Line 82  Create new normalisation object Line 82  Create new normalisation object
82          db => $db_obj,          db => $db_obj,
83          lookup_regex => $lookup->regex,          lookup_regex => $lookup->regex,
84          lookup => $lookup_obj,          lookup => $lookup_obj,
85            prefix => 'foobar',
86    );    );
87    
88  Parametar C<filter> defines user supplied snippets of perl code which can  Parametar C<filter> defines user supplied snippets of perl code which can
89  be use with C<filter{...}> notation.  be use with C<filter{...}> notation.
90    
91    C<prefix> is used to form filename for database record (to support multiple
92    source files which are joined in one database).
93    
94  Recommended parametar C<lookup_regex> is used to enable parsing of lookups  Recommended parametar C<lookup_regex> is used to enable parsing of lookups
95  in structures. If you pass this parametar, you must also pass C<lookup>  in structures. If you pass this parametar, you must also pass C<lookup>
96  which is C<WebPAC::Lookup> object.  which is C<WebPAC::Lookup> object.
# Line 111  sub new { Line 115  sub new {
115    
116          $log->logdie("lookup must be WebPAC::Lookup object") if ($self->{'lookup'} && ! $self->{'lookup'}->isa('WebPAC::Lookup'));          $log->logdie("lookup must be WebPAC::Lookup object") if ($self->{'lookup'} && ! $self->{'lookup'}->isa('WebPAC::Lookup'));
117    
118            $log->warn("no prefix defined. please check that!") unless ($self->{'prefix'});
119    
120            $log->debug("using lookup regex: ", $self->{lookup_regex}) if ($r && $l);
121    
122          $self ? return $self : return undef;          $self ? return $self : return undef;
123  }  }
124    
# Line 138  sub data_structure { Line 146  sub data_structure {
146    
147          $log->logdie("need unique ID (mfn) in field 000 of record ", sub { Dumper($rec) } ) unless (defined($rec->{'000'}));          $log->logdie("need unique ID (mfn) in field 000 of record ", sub { Dumper($rec) } ) unless (defined($rec->{'000'}));
148    
149          my $mfn = $rec->{'000'}->[0] || $log->logdie("field 000 isn't array!");          my $id = $rec->{'000'}->[0] || $log->logdie("field 000 isn't array!");
150    
151          my $cache_file;          my $cache_file;
152    
153          if ($self->{'db'}) {          if ($self->{'db'}) {
154                  my $ds = $self->{'db'}->load_ds( id => $mfn );                  my $ds = $self->{'db'}->load_ds( id => $id, prefix => $self->{prefix} );
155                  $log->debug("load_ds( rec = ", sub { Dumper($rec) }, ") = ", sub { Dumper($ds) });                  $log->debug("load_ds( rec = ", sub { Dumper($rec) }, ") = ", sub { Dumper($ds) });
156                  return $ds if ($ds);                  return $ds if ($ds);
157                  $log->debug("cache miss, creating");                  $log->debug("cache miss, creating");
# Line 207  sub data_structure { Line 215  sub data_structure {
215    
216                          foreach my $type (@types) {                          foreach my $type (@types) {
217                                  # append to previous line?                                  # append to previous line?
218                                  $log->debug("type: $type ",sub { join(" ",@v) }, $row->{'append'} || 'no append');                                  $log->debug("type: $type ",sub { join(" ",@v) }, " ", $row->{'append'} || 'no append');
219                                  if ($tag->{'append'}) {                                  if ($tag->{'append'}) {
220    
221                                          # I will delimit appended part with                                          # I will delimit appended part with
# Line 249  sub data_structure { Line 257  sub data_structure {
257          }          }
258    
259          $self->{'db'}->save_ds(          $self->{'db'}->save_ds(
260                  id => $mfn,                  id => $id,
261                  ds => $ds,                  ds => $ds,
262                    prefix => $self->{prefix},
263          ) if ($self->{'db'});          ) if ($self->{'db'});
264    
265          $log->debug("ds: ", sub { Dumper($ds) });          $log->debug("ds: ", sub { Dumper($ds) });
# Line 454  sub fill_in { Line 463  sub fill_in {
463                  # do we have lookups?                  # do we have lookups?
464                  if ($self->{'lookup'}) {                  if ($self->{'lookup'}) {
465                          if ($self->{'lookup'}->can('lookup')) {                          if ($self->{'lookup'}->can('lookup')) {
466                                  return $self->{'lookup'}->lookup($format);                                  my @lookup = $self->{lookup}->lookup($format);
467                                    $log->debug("lookup $format", join(", ", @lookup));
468                                    return @lookup;
469                          } else {                          } else {
470                                  $log->warn("Have lookup object but can't invoke lookup method");                                  $log->warn("Have lookup object but can't invoke lookup method");
471                          }                          }

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