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package WebPAC::Input::ISIS; |
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|
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use warnings; |
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use strict; |
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|
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use WebPAC::Input; |
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use Biblio::Isis; |
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use base qw/WebPAC::Common/; |
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|
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=head1 NAME |
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|
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WebPAC::Input::ISIS - support for CDS/ISIS database files |
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|
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=head1 VERSION |
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|
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Version 0.09 |
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|
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=cut |
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|
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our $VERSION = '0.09'; |
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|
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|
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=head1 SYNOPSIS |
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|
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Open CDS/ISIS, WinISIS or IsisMarc database using C<Biblio::Isis> |
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and read all records to memory. |
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|
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my $isis = new WebPAC::Input::ISIS( |
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path => '/path/to/ISIS/ISIS', |
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); |
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|
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=head1 FUNCTIONS |
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|
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=head2 new |
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|
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Returns new low-level input API object |
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|
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my $isis = new WebPAC::Input::ISIS( |
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path => '/path/to/LIBRI' |
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filter => sub { |
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my ($l,$field_nr) = @_; |
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# do something with $l which is line of input file |
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return $l; |
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}, |
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} |
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|
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Options: |
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|
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=over 4 |
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|
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=item path |
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|
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path to CDS/ISIS database |
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|
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=back |
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|
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=cut |
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|
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sub new { |
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my $class = shift; |
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my $self = {@_}; |
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bless($self, $class); |
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|
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my $arg = {@_}; |
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|
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my $log = $self->_get_logger(); |
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|
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$log->info("opening ISIS database '$arg->{path}'"); |
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|
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$log->debug("using Biblio::Isis"); |
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my $isis_db = new Biblio::Isis( |
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isisdb => $arg->{path}, |
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include_deleted => 1, |
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hash_filter => $arg->{filter} ? sub { return $arg->{filter}->(@_); } : undef, |
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ignore_empty_subfields => 1, |
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) or $log->logdie("can't find database $arg->{path}"); |
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|
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$self->{_isis_db} = $isis_db; |
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|
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$self ? return $self : return undef; |
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} |
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|
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=head2 fetch_rec |
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|
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Return record with ID C<$mfn> from database |
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|
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my $rec = $isis->fetch_rec( $mfn, $filter_coderef); |
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|
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=cut |
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|
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sub fetch_rec { |
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my $self = shift; |
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|
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my ($mfn, $filter_coderef) = @_; |
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|
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my $rec = $self->{_isis_db}->to_hash({ |
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mfn => $mfn, |
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include_subfields => 1, |
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hash_filter => $filter_coderef, |
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# hash_filter => sub { |
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# my ($l,$f) = @_; |
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# warn "## in hash_filter ($l,$f)\n"; |
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# my $o = $filter_coderef->($l,$f) if ($filter_coderef); |
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# warn "## out hash_filter = $o\n"; |
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# return $o; |
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# }, |
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}); |
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|
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return $rec; |
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} |
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|
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=head2 dump_ascii |
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|
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Return dump of record ID C<$mfn> from database |
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|
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my $rec = $isis->dump_ascii( $mfn ); |
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|
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=cut |
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|
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sub dump_ascii { |
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my $self = shift; |
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|
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my $mfn = shift; |
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|
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return $self->{_isis_db}->to_ascii( $mfn ); |
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} |
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|
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=head2 size |
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|
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Return number of records in database |
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|
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my $size = $isis->size; |
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|
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=cut |
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|
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sub size { |
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my $self = shift; |
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return $self->{_isis_db}->count; |
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} |
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|
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=head1 AUTHOR |
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|
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Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >> |
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|
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=head1 COPYRIGHT & LICENSE |
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|
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Copyright 2005 Dobrica Pavlinusic, All Rights Reserved. |
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|
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This program is free software; you can redistribute it and/or modify it |
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under the same terms as Perl itself. |
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|
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=cut |
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|
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1; # End of WebPAC::Input::ISIS |
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