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use WebPAC::Common; |
use WebPAC::Common; |
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use base qw/WebPAC::Common/; |
use base qw/WebPAC::Common/; |
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use Data::Dumper; |
use Data::Dump qw/dump/; |
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use Encode qw/from_to/; |
use Encode qw/from_to/; |
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=head1 NAME |
=head1 NAME |
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=head1 VERSION |
=head1 VERSION |
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Version 0.14 |
Version 0.17 |
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=cut |
=cut |
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our $VERSION = '0.14'; |
our $VERSION = '0.17'; |
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=head1 SYNOPSIS |
=head1 SYNOPSIS |
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require $module_path; |
require $module_path; |
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# check if required subclasses are implemented |
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foreach my $subclass (qw/open_db fetch_rec init dump_rec/) { |
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# FIXME |
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} |
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$self->{'encoding'} ||= 'ISO-8859-2'; |
$self->{'encoding'} ||= 'ISO-8859-2'; |
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$self ? return $self : return undef; |
$self ? return $self : return undef; |
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$log->debug("using modify_file $p"); |
$log->debug("using modify_file $p"); |
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$rec_regex = $self->modify_file_regexps( $p ); |
$rec_regex = $self->modify_file_regexps( $p ); |
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} elsif (my $h = $arg->{modify_records}) { |
} elsif (my $h = $arg->{modify_records}) { |
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$log->debug("using modify_records ", Dumper( $h )); |
$log->debug("using modify_records ", sub { dump( $h ) }); |
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$rec_regex = $self->modify_record_regexps(%{ $h }); |
$rec_regex = $self->modify_record_regexps(%{ $h }); |
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} |
} |
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$log->debug("rec_regex: ", Dumper($rec_regex)) if ($rec_regex); |
$log->debug("rec_regex: ", sub { dump($rec_regex) }) if ($rec_regex); |
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my $class = $self->{module} || $log->logconfess("can't get low-level module name!"); |
my $class = $self->{module} || $log->logconfess("can't get low-level module name!"); |
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$log->debug("position: $pos\n"); |
$log->debug("position: $pos\n"); |
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my $rec = $ll_db->fetch_rec($pos, sub { |
my $rec = $ll_db->fetch_rec($pos, sub { |
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my ($l,$f_nr) = @_; |
my ($l,$f_nr,$debug) = @_; |
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# return unless defined($l); |
# return unless defined($l); |
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# return $l unless ($rec_regex && $f_nr); |
# return $l unless ($rec_regex && $f_nr); |
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warn "-=> $f_nr ## $l\n" if ($debug); |
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$log->debug("-=> $f_nr ## $l"); |
$log->debug("-=> $f_nr ## $l"); |
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# codepage conversion and recode_regex |
# codepage conversion and recode_regex |
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eval '$l =~ ' . $r; |
eval '$l =~ ' . $r; |
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if ($old_l ne $l) { |
if ($old_l ne $l) { |
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$log->debug("REGEX on $f_nr eval \$l =~ $r\n## old l: [$old_l]\n## new l: [$l]"); |
$log->debug("REGEX on $f_nr eval \$l =~ $r\n## old l: [$old_l]\n## new l: [$l]"); |
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warn "*** $r |$old_l| -> |$l|\n" if ($debug); |
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} |
} |
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$log->error("error applying regex: $r") if ($@); |
$log->error("error applying regex: $r") if ($@); |
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} |
} |
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} |
} |
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$log->debug("<=- $f_nr ## $l"); |
$log->debug("<=- $f_nr ## $l"); |
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warn "<=- $f_nr ## $l\n" if ($debug); |
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return $l; |
return $l; |
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}); |
}); |
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$log->debug(sub { Dumper($rec) }); |
$log->debug(sub { dump($rec) }); |
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if (! $rec) { |
if (! $rec) { |
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$log->warn("record $pos empty? skipping..."); |
$log->warn("record $pos empty? skipping..."); |
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sub seek { |
sub seek { |
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my $self = shift; |
my $self = shift; |
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my $pos = shift || return; |
my $pos = shift; |
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my $log = $self->_get_logger(); |
my $log = $self->_get_logger(); |
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$log->logconfess("called without pos") unless defined($pos); |
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if ($pos < 1) { |
if ($pos < 1) { |
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$log->warn("seek before first record"); |
$log->warn("seek before first record"); |
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$pos = 1; |
$pos = 1; |
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} sort { $a cmp $b } keys %{ $s->{fld} } |
} sort { $a cmp $b } keys %{ $s->{fld} } |
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); |
); |
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$log->debug( sub { Dumper($s) } ); |
$log->debug( sub { dump($s) } ); |
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return $out; |
return $out; |
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} |
} |
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=head2 dump |
=head2 dump_ascii |
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Display humanly readable dump of record |
Display humanly readable dump of record |
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=cut |
=cut |
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sub dump { |
sub dump_ascii { |
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my $self = shift; |
my $self = shift; |
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return $self->{ll_db}->dump_rec( $self->{pos} ); |
return unless $self->{ll_db}; |
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if ($self->{ll_db}->can('dump_rec')) { |
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return $self->{ll_db}->dump_ascii( $self->{pos} ); |
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} else { |
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return dump( $self->{ll_db}->fetch_rec( $self->{pos} ) ); |
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} |
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} |
} |
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=head2 modify_record_regexps |
=head2 modify_record_regexps |
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Generate hash with regexpes to be applied using l<filter>. |
Generate hash with regexpes to be applied using L<filter>. |
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my $regexpes = $input->modify_record_regexps( |
my $regexpes = $input->modify_record_regexps( |
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900 => { '^a' => { ' : ' => '^b' } }, |
900 => { '^a' => { ' : ' => '^b' } }, |
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sub _get_regex { |
sub _get_regex { |
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my ($sf,$from,$to) = @_; |
my ($sf,$from,$to) = @_; |
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# protect / |
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$from =~ s!/!\\/!gs; |
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$to =~ s!/!\\/!gs; |
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if ($from =~ m/^regex:(.+)$/) { |
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$from = $1; |
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} else { |
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$from = '\Q' . $from . '\E'; |
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} |
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if ($sf =~ /^\^/) { |
if ($sf =~ /^\^/) { |
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return |
return |
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's/\Q'. $sf .'\E([^\^]*?)\Q'. $from .'\E([^\^]*?)/'. $sf .'$1'. $to .'$2/'; |
's/\Q'. $sf .'\E([^\^]*?)'. $from .'([^\^]*?)/'. $sf .'$1'. $to .'$2/'; |
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} else { |
} else { |
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return |
return |
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's/\Q'. $from .'\E/'. $to .'/g'; |
's/'. $from .'/'. $to .'/g'; |
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} |
} |
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} |
} |
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=head2 modify_file_regexps |
=head2 modify_file_regexps |
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Generate hash with regexpes to be applied using l<filter> from |
Generate hash with regexpes to be applied using L<filter> from |
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pseudo hash/yaml format for regex mappings. |
pseudo hash/yaml format for regex mappings. |
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It should be obvious: |
It should be obvious: |