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use warnings; |
use warnings; |
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use strict; |
use strict; |
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use base 'WebPAC::Common'; |
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use Data::Dumper; |
use Data::Dumper; |
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use Storable; |
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=head1 NAME |
=head1 NAME |
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=head1 VERSION |
=head1 VERSION |
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Version 0.01 |
Version 0.03 |
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=cut |
=cut |
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our $VERSION = '0.01'; |
our $VERSION = '0.03'; |
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=head1 SYNOPSIS |
=head1 SYNOPSIS |
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return length($_); |
return length($_); |
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}, ... |
}, ... |
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}, |
}, |
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cache_data_structure => './cache/ds/', |
db => $db_obj, |
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lookup_regex => $lookup->regex, |
lookup_regex => $lookup->regex, |
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lookup => $lookup_obj, |
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); |
); |
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Parametar C<filter> defines user supplied snippets of perl code which can |
Parametar C<filter> defines user supplied snippets of perl code which can |
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be use with C<filter{...}> notation. |
be use with C<filter{...}> notation. |
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Optional parameter C<cache_data_structure> defines path to directory |
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in which cache file for C<data_structure> call will be created. |
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Recommended parametar C<lookup_regex> is used to enable parsing of lookups |
Recommended parametar C<lookup_regex> is used to enable parsing of lookups |
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in structures. |
in structures. If you pass this parametar, you must also pass C<lookup> |
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which is C<WebPAC::Lookup> object. |
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=cut |
=cut |
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my $self = {@_}; |
my $self = {@_}; |
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bless($self, $class); |
bless($self, $class); |
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$self->setup_cache_dir( $self->{'cache_data_structure'} ); |
my $r = $self->{'lookup_regex'} ? 1 : 0; |
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my $l = $self->{'lookup'} ? 1 : 0; |
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$self ? return $self : return undef; |
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} |
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=head2 setup_cache_dir |
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Check if specified cache directory exist, and if not, disable caching. |
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$setup_cache_dir('./cache/ds/'); |
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If you pass false or zero value to this function, it will disable |
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cacheing. |
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=cut |
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sub setup_cache_dir { |
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my $self = shift; |
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my $dir = shift; |
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my $log = $self->_get_logger(); |
my $log = $self->_get_logger(); |
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if ($dir) { |
# those two must be in pair |
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my $msg; |
if ( ($r & $l) != ($r || $l) ) { |
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if (! -e $dir) { |
my $log = $self->_get_logger(); |
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$msg = "doesn't exist"; |
$log->logdie("lookup_regex and lookup must be in pair"); |
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} elsif (! -d $dir) { |
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$msg = "is not directory"; |
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} elsif (! -w $dir) { |
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$msg = "not writable"; |
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} |
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if ($msg) { |
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undef $self->{'cache_data_structure'}; |
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$log->warn("cache_data_structure $dir $msg, disabling..."); |
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} else { |
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$log->debug("using cache dir $dir"); |
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} |
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} else { |
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$log->debug("disabling cache"); |
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undef $self->{'cache_data_structure'}; |
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} |
} |
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$log->logdie("lookup must be WebPAC::Lookup object") if ($self->{'lookup'} && ! $self->{'lookup'}->isa('WebPAC::Lookup')); |
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$self ? return $self : return undef; |
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} |
} |
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This structures are used to produce output. |
This structures are used to produce output. |
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my @ds = $webpac->data_structure($rec); |
my $ds = $webpac->data_structure($rec); |
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B<Note: historical oddity follows> |
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This method will also set C<< $webpac->{'currnet_filename'} >> if there is |
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C<< <filename> >> tag and C<< $webpac->{'headline'} >> if there is |
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C<< <headline> >> tag. |
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=cut |
=cut |
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my $rec = shift; |
my $rec = shift; |
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$log->logconfess("need HASH as first argument!") if ($rec !~ /HASH/o); |
$log->logconfess("need HASH as first argument!") if ($rec !~ /HASH/o); |
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$log->debug("data_structure rec = ", sub { Dumper($rec) }); |
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$log->logdie("need unique ID (mfn) in field 000 of record ", sub { Dumper($rec) } ) unless (defined($rec->{'000'})); |
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my $mfn = $rec->{'000'}->[0] || $log->logdie("field 000 isn't array!"); |
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my $cache_file; |
my $cache_file; |
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if (my $cache_path = $self->{'cache_data_structure'}) { |
if ($self->{'db'}) { |
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my $id = $rec->{'000'}; |
my $ds = $self->{'db'}->load_ds( id => $mfn ); |
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$id = $rec->{'000'}->[0] if ($id =~ m/^ARRAY/o); |
$log->debug("load_ds( rec = ", sub { Dumper($rec) }, ") = ", sub { Dumper($ds) }); |
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unless (defined($id)) { |
return $ds if ($ds); |
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$log->warn("Can't use cache_data_structure on records without unique identifier in field 000"); |
$log->debug("cache miss, creating"); |
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undef $self->{'cache_data_structure'}; |
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} else { |
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$cache_file = "$cache_path/$id"; |
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if (-r $cache_file) { |
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my $ds_ref = retrieve($cache_file); |
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if ($ds_ref) { |
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$log->debug("cache hit: $cache_file"); |
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my $ok = 1; |
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foreach my $f (qw(current_filename headline)) { |
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if ($ds_ref->{$f}) { |
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$self->{$f} = $ds_ref->{$f}; |
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} else { |
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$ok = 0; |
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} |
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}; |
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if ($ok && $ds_ref->{'ds'}) { |
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return @{ $ds_ref->{'ds'} }; |
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} else { |
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$log->warn("cache_data_structure $cache_path corrupt. Use rm $cache_path/* to re-create it on next run!"); |
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undef $self->{'cache_data_structure'}; |
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} |
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} |
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} |
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} |
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} |
} |
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undef $self->{'currnet_filename'}; |
undef $self->{'currnet_filename'}; |
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$self->{tags_by_order} = \@sorted_tags; |
$self->{tags_by_order} = \@sorted_tags; |
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} |
} |
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my @ds; |
my $ds; |
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$log->debug("tags: ",sub { join(", ",@sorted_tags) }); |
$log->debug("tags: ",sub { join(", ",@sorted_tags) }); |
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#print "field $field [",$self->{'tag'},"] = ",Dumper($self->{'import_xml'}->{'indexer'}->{$field}->{$self->{'tag'}}); |
#print "field $field [",$self->{'tag'},"] = ",Dumper($self->{'import_xml'}->{'indexer'}->{$field}->{$self->{'tag'}}); |
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foreach my $tag (@{$self->{'import_xml'}->{'indexer'}->{$field}->{$self->{'tag'}}}) { |
foreach my $tag (@{$self->{'import_xml'}->{'indexer'}->{$field}->{$self->{'tag'}}}) { |
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my $format = $tag->{'value'} || $tag->{'content'}; |
my $format; |
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$log->logdie("expected tag HASH and got $tag") unless (ref($tag) eq 'HASH'); |
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$format = $tag->{'value'} || $tag->{'content'}; |
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$log->debug("format: $format"); |
$log->debug("format: $format"); |
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@v = map { $self->apply_format($tag->{'format_name'},$tag->{'format_delimiter'},$_) } @v; |
@v = map { $self->apply_format($tag->{'format_name'},$tag->{'format_delimiter'},$_) } @v; |
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} |
} |
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if ($field eq 'filename') { |
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$self->{'current_filename'} = join('',@v); |
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$log->debug("filename: ",$self->{'current_filename'}); |
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} elsif ($field eq 'headline') { |
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$self->{'headline'} .= join('',@v); |
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$log->debug("headline: ",$self->{'headline'}); |
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next; # don't return headline in data_structure! |
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} |
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# delimiter will join repeatable fields |
# delimiter will join repeatable fields |
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if ($tag->{'delimiter'}) { |
if ($tag->{'delimiter'}) { |
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@v = ( join($tag->{'delimiter'}, @v) ); |
@v = ( join($tag->{'delimiter'}, @v) ); |
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} |
} |
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# default types |
# default types |
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my @types = qw(display swish); |
my @types = qw(display search); |
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# override by type attribute |
# override by type attribute |
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@types = ( $tag->{'type'} ) if ($tag->{'type'}); |
@types = ( $tag->{'type'} ) if ($tag->{'type'}); |
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# TODO: name_sigular, name_plural |
# TODO: name_sigular, name_plural |
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my $name = $self->{'import_xml'}->{'indexer'}->{$field}->{'name'}; |
my $name = $self->{'import_xml'}->{'indexer'}->{$field}->{'name'}; |
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$row->{'name'} = $name ? $self->_x($name) : $field; |
my $row_name = $name ? $self->_x($name) : $field; |
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# post-sort all values in field |
# post-sort all values in field |
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if ($self->{'import_xml'}->{'indexer'}->{$field}->{'sort'}) { |
if ($self->{'import_xml'}->{'indexer'}->{$field}->{'sort'}) { |
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$log->warn("sort at field tag not implemented"); |
$log->warn("sort at field tag not implemented"); |
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} |
} |
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push @ds, $row; |
$ds->{$row_name} = $row; |
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$log->debug("row $field: ",sub { Dumper($row) }); |
$log->debug("row $field: ",sub { Dumper($row) }); |
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} |
} |
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} |
} |
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if ($cache_file) { |
$self->{'db'}->save_ds( |
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store { |
id => $mfn, |
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ds => \@ds, |
ds => $ds, |
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current_filename => $self->{'current_filename'}, |
) if ($self->{'db'}); |
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headline => $self->{'headline'}, |
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}, $cache_file; |
$log->debug("ds: ", sub { Dumper($ds) }); |
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$log->debug("created storable cache file $cache_file"); |
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} |
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return @ds; |
$log->logconfess("data structure returned is not array any more!") if wantarray; |
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return $ds; |
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} |
} |
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} |
} |
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# do we have lookups? |
# do we have lookups? |
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if ($self->{'lookup'}) { |
if ($self->{'lookup'}) { |
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return $self->lookup($format); |
if ($self->{'lookup'}->can('lookup')) { |
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return $self->{'lookup'}->lookup($format); |
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} else { |
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$log->warn("Have lookup object but can't invoke lookup method"); |
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} |
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} else { |
} else { |
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return $format; |
return $format; |
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} |
} |
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if ($sf && $$rec->{$f}->[$i]->{$sf}) { |
if ($sf && $$rec->{$f}->[$i]->{$sf}) { |
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$$found++ if (defined($$found)); |
$$found++ if (defined($$found)); |
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return $$rec->{$f}->[$i]->{$sf}; |
return $$rec->{$f}->[$i]->{$sf}; |
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} elsif ($$rec->{$f}->[$i]) { |
} elsif (! $sf && $$rec->{$f}->[$i]) { |
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$$found++ if (defined($$found)); |
$$found++ if (defined($$found)); |
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# it still might have subfield, just |
# it still might have subfield, just |
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# not specified, so we'll dump all |
# not specified, so we'll dump all |
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} else { |
} else { |
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return $$rec->{$f}->[$i]; |
return $$rec->{$f}->[$i]; |
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} |
} |
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} else { |
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return ''; |
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} |
} |
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} else { |
} else { |
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return ''; |
return ''; |
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$log->debug("using format $name [$format] on $data to produce: $out"); |
$log->debug("using format $name [$format] on $data to produce: $out"); |
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if ($self->{'lookup_regex'} && $out =~ $self->{'lookup_regex'}) { |
if ($self->{'lookup_regex'} && $out =~ $self->{'lookup_regex'}) { |
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return $self->lookup($out); |
return $self->{'lookup'}->lookup($out); |
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} else { |
} else { |
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return $out; |
return $out; |
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} |
} |
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=cut |
=cut |
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1; # End of WebPAC::DB |
1; # End of WebPAC::Normalize |