--- trunk/lib/WebPAC/Input.pm 2006/09/25 09:49:28 697 +++ trunk/lib/WebPAC/Input.pm 2006/09/29 19:52:17 726 @@ -16,11 +16,11 @@ =head1 VERSION -Version 0.12 +Version 0.13 =cut -our $VERSION = '0.12'; +our $VERSION = '0.13'; =head1 SYNOPSIS @@ -98,28 +98,16 @@ $log->logconfess("lookup argument is not suppored any more. rewrite call to lookup_ref") if ($self->{lookup}); $log->logconfess("specify low-level file format module") unless ($self->{module}); - my $module = $self->{module}; - $module =~ s#::#/#g; - $module .= '.pm'; - $log->debug("require low-level module $self->{module} from $module"); + my $module_path = $self->{module}; + $module_path =~ s#::#/#g; + $module_path .= '.pm'; + $log->debug("require low-level module $self->{module} from $module_path"); - require $module; - #eval $self->{module} .'->import'; + require $module_path; # check if required subclasses are implemented foreach my $subclass (qw/open_db fetch_rec init dump_rec/) { - my $n = $self->{module} . '::' . $subclass; - if (! defined &{ $n }) { - my $missing = "missing $subclass in $self->{module}"; - $self->{$subclass} = sub { $log->logwarn($missing) }; - } else { - $self->{$subclass} = \&{ $n }; - } - } - - if ($self->{init}) { - $log->debug("calling init"); - $self->{init}->($self, @_); + # FIXME } $self->{'encoding'} ||= 'ISO-8859-2'; @@ -162,11 +150,10 @@ code_page => 'cp852', limit => 500, offset => 6000, - lookup => $lookup_obj, stats => 1, - lookup_ref => sub { - my ($k,$v) = @_; - # store lookup $k => $v + lookup_coderef => sub { + my $rec = shift; + # store lookups }, modify_records => { 900 => { '^a' => { ' : ' => '^b' } }, @@ -183,8 +170,7 @@ C create optional report about usage of fields and subfields -C is closure to call when adding C<< key => 'value' >> combinations to -lookup. +C is closure to called to save data into lookups C specify mapping from subfields to delimiters or from delimiters to subfields, as well as oprations on fields (if subfield is @@ -209,6 +195,8 @@ $log->logconfess("lookup_coderef must be CODE, not ",ref($arg->{lookup_coderef})) if ($arg->{lookup_coderef} && ref($arg->{lookup_coderef}) ne 'CODE'); + $log->debug( $arg->{lookup_coderef} ? '' : 'not ', "using lookup_coderef"); + $log->logcroak("need path") if (! $arg->{'path'}); my $code_page = $arg->{'code_page'} || 'cp852'; @@ -250,7 +238,9 @@ } $log->debug("rec_regex: ", Dumper($rec_regex)) if ($rec_regex); - my ($db, $size) = $self->{open_db}->( $self, + my $class = $self->{module} || $log->logconfess("can't get low-level module name!"); + + my $ll_db = $class->new( path => $arg->{path}, # filter => sub { # my ($l,$f_nr) = @_; @@ -262,11 +252,13 @@ %{ $arg }, ); - unless (defined($db)) { + unless (defined($ll_db)) { $log->logwarn("can't open database $arg->{path}, skipping..."); return; } + my $size = $ll_db->size; + unless ($size) { $log->logwarn("no records in database $arg->{path}, skipping..."); return; @@ -298,7 +290,7 @@ $log->debug("position: $pos\n"); - my $rec = $self->{fetch_rec}->($self, $pos, sub { + my $rec = $ll_db->fetch_rec($pos, sub { my ($l,$f_nr) = @_; # return unless defined($l); # return $l unless ($rec_regex && $f_nr); @@ -348,7 +340,7 @@ if ($self->{stats}) { # fetch clean record with regexpes applied for statistics - my $rec = $self->{fetch_rec}->($self, $pos); + my $rec = $ll_db->fetch_rec($pos); foreach my $fld (keys %{ $rec }) { $self->{_stats}->{fld}->{ $fld }++;