7 |
BEGIN { |
BEGIN { |
8 |
use Exporter (); |
use Exporter (); |
9 |
use vars qw ($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS); |
use vars qw ($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS); |
10 |
$VERSION = 0.09; |
$VERSION = 0.12; |
11 |
@ISA = qw (Exporter); |
@ISA = qw (Exporter); |
12 |
#Give a hoot don't pollute, do not export more than needed by default |
#Give a hoot don't pollute, do not export more than needed by default |
13 |
@EXPORT = qw (); |
@EXPORT = qw (); |
87 |
my $len = read($self->{fh}, $leader, 24); |
my $len = read($self->{fh}, $leader, 24); |
88 |
|
|
89 |
if ($len < 24) { |
if ($len < 24) { |
90 |
carp "short read of leader, aborting\n"; |
warn "short read of leader, aborting\n"; |
91 |
|
$self->{count}--; |
92 |
last; |
last; |
93 |
} |
} |
94 |
|
|
277 |
|
|
278 |
Read record with specified MFN and convert it to hash |
Read record with specified MFN and convert it to hash |
279 |
|
|
280 |
my $hash = $marc->to_hash( $mfn, include_subfields => 1, ); |
my $hash = $marc->to_hash( $mfn, include_subfields => 1, |
281 |
|
hash_filter => sub { my ($l,$tag) = @_; return $l; } |
282 |
|
); |
283 |
|
|
284 |
It has ability to convert characters (using C<hash_filter>) from MARC |
It has ability to convert characters (using C<hash_filter>) from MARC |
285 |
database before creating structures enabling character re-mapping or quick |
database before creating structures enabling character re-mapping or quick |
286 |
fix-up of data. |
fix-up of data. If you specified C<hash_filter> both in C<new> and C<to_hash> |
287 |
|
only the one from C<to_hash> will be used. |
288 |
|
|
289 |
This function returns hash which is like this: |
This function returns hash which is like this: |
290 |
|
|
308 |
my $mfn = shift || confess "need mfn!"; |
my $mfn = shift || confess "need mfn!"; |
309 |
|
|
310 |
my $args = {@_}; |
my $args = {@_}; |
311 |
|
my $filter_coderef = $args->{'hash_filter'} || $self->{'hash_filter'}; |
312 |
|
|
313 |
# init record to include MFN as field 000 |
# init record to include MFN as field 000 |
314 |
my $rec = { '000' => [ $mfn ] }; |
my $rec = { '000' => [ $mfn ] }; |
315 |
|
|
316 |
my $row = $self->fetch($mfn) || return; |
my $row = $self->fetch($mfn) || return; |
317 |
|
|
318 |
foreach my $rec_nr (keys %{$row}) { |
foreach my $tag (keys %{$row}) { |
319 |
foreach my $l (@{$row->{$rec_nr}}) { |
foreach my $l (@{$row->{$tag}}) { |
320 |
|
|
321 |
# remove end marker |
# remove end marker |
322 |
$l =~ s/\x1E$//; |
$l =~ s/\x1E$//; |
323 |
|
|
324 |
# filter output |
# filter output |
325 |
$l = $self->{'hash_filter'}->($l, $rec_nr) if ($self->{'hash_filter'}); |
$l = $filter_coderef->($l, $tag) if $filter_coderef; |
326 |
|
|
327 |
my $val; |
my $val; |
328 |
|
|
337 |
foreach my $t (split(/\x1F/,$l)) { |
foreach my $t (split(/\x1F/,$l)) { |
338 |
next if (! $t); |
next if (! $t); |
339 |
my $f = substr($t,0,1); |
my $f = substr($t,0,1); |
340 |
|
my $v = substr($t,1); |
341 |
|
|
342 |
push @subfields, ( $f, $sf_usage->{$f}++ || 0 ); |
push @subfields, ( $f, $sf_usage->{$f}++ || 0 ); |
343 |
|
|
344 |
# repeatable subfiled -- convert it to array |
# repeatable subfiled -- convert it to array |
345 |
if ($val->{$f}) { |
if ( defined $val->{$f} ) { |
346 |
if ( ref($val->{$f}) ne 'ARRAY' ) { |
if ( ref($val->{$f}) ne 'ARRAY' ) { |
347 |
$val->{$f} = [ $val->{$f}, $val ]; |
$val->{$f} = [ $val->{$f}, $v ]; |
348 |
} else { |
} else { |
349 |
push @{$val->{$f}}, $val; |
push @{$val->{$f}}, $v; |
350 |
} |
} |
351 |
|
} else { |
352 |
|
$val->{$f} = $v; |
353 |
} |
} |
|
$val->{substr($t,0,1)} = substr($t,1); |
|
354 |
} |
} |
355 |
$val->{subfields} = [ @subfields ] if $args->{include_subfields}; |
$val->{subfields} = [ @subfields ] if $args->{include_subfields}; |
356 |
} else { |
} else { |
357 |
$val = $l; |
$val = $l; |
358 |
} |
} |
359 |
|
|
360 |
push @{$rec->{$rec_nr}}, $val; |
push @{$rec->{$tag}}, $val; |
361 |
} |
} |
362 |
} |
} |
363 |
|
|