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BEGIN { |
BEGIN { |
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use Exporter (); |
use Exporter (); |
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use vars qw ($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS); |
use vars qw ($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS); |
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$VERSION = 0.10; |
$VERSION = 0.12; |
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@ISA = qw (Exporter); |
@ISA = qw (Exporter); |
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#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 |
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@EXPORT = qw (); |
@EXPORT = qw (); |
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Read record with specified MFN and convert it to hash |
Read record with specified MFN and convert it to hash |
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my $hash = $marc->to_hash( $mfn, include_subfields => 1, ); |
my $hash = $marc->to_hash( $mfn, include_subfields => 1, |
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hash_filter => sub { my ($l,$tag) = @_; return $l; } |
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); |
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It has ability to convert characters (using C<hash_filter>) from MARC |
It has ability to convert characters (using C<hash_filter>) from MARC |
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database before creating structures enabling character re-mapping or quick |
database before creating structures enabling character re-mapping or quick |
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fix-up of data. |
fix-up of data. If you specified C<hash_filter> both in C<new> and C<to_hash> |
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only the one from C<to_hash> will be used. |
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This function returns hash which is like this: |
This function returns hash which is like this: |
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my $mfn = shift || confess "need mfn!"; |
my $mfn = shift || confess "need mfn!"; |
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my $args = {@_}; |
my $args = {@_}; |
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my $filter_coderef = $args->{'hash_filter'} || $self->{'hash_filter'}; |
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# init record to include MFN as field 000 |
# init record to include MFN as field 000 |
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my $rec = { '000' => [ $mfn ] }; |
my $rec = { '000' => [ $mfn ] }; |
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$l =~ s/\x1E$//; |
$l =~ s/\x1E$//; |
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# filter output |
# filter output |
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$l = $self->{'hash_filter'}->($l, $tag) if ($self->{'hash_filter'}); |
$l = $filter_coderef->($l, $tag) if $filter_coderef; |
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my $val; |
my $val; |
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foreach my $t (split(/\x1F/,$l)) { |
foreach my $t (split(/\x1F/,$l)) { |
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next if (! $t); |
next if (! $t); |
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my $f = substr($t,0,1); |
my $f = substr($t,0,1); |
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my $v = substr($t,1); |
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push @subfields, ( $f, $sf_usage->{$f}++ || 0 ); |
push @subfields, ( $f, $sf_usage->{$f}++ || 0 ); |
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# repeatable subfiled -- convert it to array |
# repeatable subfiled -- convert it to array |
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if ($val->{$f}) { |
if ( defined $val->{$f} ) { |
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if ( ref($val->{$f}) ne 'ARRAY' ) { |
if ( ref($val->{$f}) ne 'ARRAY' ) { |
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$val->{$f} = [ $val->{$f}, $val ]; |
$val->{$f} = [ $val->{$f}, $v ]; |
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} else { |
} else { |
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push @{$val->{$f}}, $val; |
push @{$val->{$f}}, $v; |
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} |
} |
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} else { |
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$val->{$f} = $v; |
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} |
} |
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$val->{substr($t,0,1)} = substr($t,1); |
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} |
} |
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$val->{subfields} = [ @subfields ] if $args->{include_subfields}; |
$val->{subfields} = [ @subfields ] if $args->{include_subfields}; |
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} else { |
} else { |