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package WebPAC; |
package WebPAC; |
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use warnings; |
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use strict; |
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use Carp; |
use Carp; |
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use Text::Iconv; |
use Text::Iconv; |
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use Config::IniFiles; |
use Config::IniFiles; |
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If optional parametar C<limit_mfn> is set, it will read just 500 records |
If optional parametar C<limit_mfn> is set, it will read just 500 records |
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from database in example above. |
from database in example above. |
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Returns number of last record read into memory (size of database, really). |
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C<lookup> argument is an array of lookups to create. Each lookup must have C<key> and |
C<lookup> argument is an array of lookups to create. Each lookup must have C<key> and |
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C<val>. Optional parametar C<eval> is perl code to evaluate before storing |
C<val>. Optional parametar C<eval> is perl code to evaluate before storing |
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value in index. |
value in index. |
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'val' => 'v900' }, |
'val' => 'v900' }, |
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] |
] |
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Returns number of last record read into memory (size of database, really). |
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=cut |
=cut |
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sub open_isis { |
sub open_isis { |
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Create lookup from record using lookup definition. |
Create lookup from record using lookup definition. |
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$self->create_lookup($rec, @lookups); |
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Called internally by C<open_*> methods. |
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=cut |
=cut |
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sub create_lookup { |
sub create_lookup { |
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Returns value from record. |
Returns value from record. |
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$self->get_data(\$rec,$f,$sf,$i,\$found); |
my $text = $self->get_data(\$rec,$f,$sf,$i,\$found); |
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Arguments are: |
Arguments are: |
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record reference C<$rec>, |
record reference C<$rec>, |
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optional subfiled C<$sf>, |
optional subfiled C<$sf>, |
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index for repeatable values C<$i>. |
index for repeatable values C<$i>. |
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Optinal variable C<$found> will be incremeted if thre |
Optinal variable C<$found> will be incremeted if there |
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is field. |
is field. |
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Returns value or empty string. |
Returns value or empty string. |
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my $self = shift; |
my $self = shift; |
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my ($rec,$f,$sf,$i,$found) = @_; |
my ($rec,$f,$sf,$i,$found) = @_; |
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if ($$rec->{$f}) { |
if ($$rec->{$f}) { |
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return '' if (! $$rec->{$f}->[$i]); |
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if ($sf && $$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]->{$sf}; |
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strings with placeholders and returns string or array of with substituted |
strings with placeholders and returns string or array of with substituted |
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values from record. |
values from record. |
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$webpac->fill_in($rec,'v250^a'); |
my $text = $webpac->fill_in($rec,'v250^a'); |
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Optional argument is ordinal number for repeatable fields. By default, |
Optional argument is ordinal number for repeatable fields. By default, |
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it's assume to be first repeatable field (fields are perl array, so first |
it's assume to be first repeatable field (fields are perl array, so first |
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element is 0). |
element is 0). |
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Following example will read second value from repeatable field. |
Following example will read second value from repeatable field. |
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$webpac->fill_in($rec,'Title: v250^a',1); |
my $text = $webpac->fill_in($rec,'Title: v250^a',1); |
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This function B<does not> perform parsing of format to inteligenty skip |
This function B<does not> perform parsing of format to inteligenty skip |
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delimiters before fields which aren't used. |
delimiters before fields which aren't used. |
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Perform lookups on format supplied to it. |
Perform lookups on format supplied to it. |
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my $txt = $self->lookup('[v900]'); |
my $text = $self->lookup('[v900]'); |
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Lookups can be nested (like C<[d:[a:[v900]]]>). |
Lookups can be nested (like C<[d:[a:[v900]]]>). |
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if ($tmp =~ /\[[^\[\]]+\]/o) { |
if ($tmp =~ /\[[^\[\]]+\]/o) { |
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my @in = ( $tmp ); |
my @in = ( $tmp ); |
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#print "##lookup $tmp\n"; |
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my @out; |
my @out; |
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while (my $f = shift @in) { |
while (my $f = shift @in) { |
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if ($f =~ /\[([^\[\]]+)\]/) { |
if ($f =~ /\[([^\[\]]+)\]/) { |
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my $k = $1; |
my $k = $1; |
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if ($self->{'lookup'}->{$k}) { |
if ($self->{'lookup'}->{$k}) { |
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#print "## lookup key = $k\n"; |
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foreach my $nv (@{$self->{'lookup'}->{$k}}) { |
foreach my $nv (@{$self->{'lookup'}->{$k}}) { |
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my $tmp2 = $f; |
my $tmp2 = $f; |
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$tmp2 =~ s/\[$k\]/$nv/g; |
$tmp2 =~ s/\[$k\]/$nv/g; |
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push @in, $tmp2; |
push @in, $tmp2; |
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#print "## lookup in => $tmp2\n"; |
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} |
} |
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} else { |
} else { |
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undef $f; |
undef $f; |
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} |
} |
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} elsif ($f) { |
} elsif ($f) { |
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push @out, $f; |
push @out, $f; |
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#print "## lookup out => $f\n"; |
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} |
} |
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} |
} |
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return @out; |
return @out; |
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defined. It can also eval code in format starting with C<eval{...}> and |
defined. It can also eval code in format starting with C<eval{...}> and |
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return output or nothing depending on eval code. |
return output or nothing depending on eval code. |
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$webpac->parse($rec,'eval{"v901^a" eq "Deskriptor"}descriptor: v250^a', $i); |
my $text = $webpac->parse($rec,'eval{"v901^a" eq "Deskriptor"}descriptor: v250^a', $i); |
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=cut |
=cut |
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my $prefix; |
my $prefix; |
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my $all_found=0; |
my $all_found=0; |
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#print "## $format\n"; |
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while ($format =~ s/^(.*?)v(\d+)(?:\^(\w))*//s) { |
while ($format =~ s/^(.*?)v(\d+)(?:\^(\w))*//s) { |
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#print "## [ $1 | $2 | $3 ] $format\n"; |
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my $del = $1 || ''; |
my $del = $1 || ''; |
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$prefix ||= $del if ($all_found == 0); |
$prefix ||= $del if ($all_found == 0); |
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# add prefix if not there |
# add prefix if not there |
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$out = $prefix . $out if ($out !~ m/^\Q$prefix\E/); |
$out = $prefix . $out if ($out !~ m/^\Q$prefix\E/); |
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if ($eval_code) { |
if ($eval_code) { |
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my $eval = $self->fill_in($rec,$eval_code,$i); |
my $eval = $self->fill_in($rec,$eval_code,$i); |
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return if (! eval $eval); |
return if (! eval $eval); |
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return $out; |
return $out; |
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} |
} |
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=head2 parse_to_arr |
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Similar to C<parse>, but returns array of all repeatable fields |
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my @arr = $webpac->parse_to_arr($rec,'v250^a'); |
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=cut |
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sub parse_to_arr { |
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my $self = shift; |
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my ($rec, $format_utf8) = @_; |
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confess("need HASH as first argument!") if ($rec !~ /HASH/o); |
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return if (! $format_utf8); |
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my $i = 0; |
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my @arr; |
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while (my $v = $self->parse($rec,$format_utf8,$i++)) { |
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push @arr, $v; |
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} |
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return @arr; |
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} |
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=head2 data_structure |
=head2 data_structure |
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Create in-memory data structure which represents layout from C<import_xml>. |
Create in-memory data structure which represents layout from C<import_xml>. |
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foreach my $field (@sorted_tags) { |
foreach my $field (@sorted_tags) { |
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my $row; |
my $row; |
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my $i = 0; |
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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 @v = $self->parse_to_arr($rec,$tag->{'content'}); |
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my $v = $self->parse($rec,$tag->{'content'},$i); |
next if (! @v); |
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print "## $i:",$tag->{'content'}," = ",($v || 'null'),"\n"; |
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next if (!$v || $v && $v eq ''); |
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# does tag have type? |
# does tag have type? |
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if ($tag->{'type'}) { |
if ($tag->{'type'}) { |
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push @{$row->{$tag->{'type'}}}, $v; |
push @{$row->{$tag->{'type'}}}, @v; |
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} else { |
} else { |
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push @{$row->{'display'}}, $v; |
push @{$row->{'display'}}, @v; |
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push @{$row->{'swish'}}, $v; |
push @{$row->{'swish'}}, @v; |
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} |
} |
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} |
} |
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} |
} |
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print Dumper($ds); |
print "data_structure => ",Dumper($ds); |
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} |
} |
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