write nice (?) message indicating that there are no results for this query
[webpac] / all2xml.pl
index 680e354..f1df073 100755 (executable)
@@ -56,7 +56,9 @@ my $cp2utf = Text::Iconv->new($codepage,'UTF-8');
 # format in XML file
 my %type2tag = (
        'isis' => 'isis',
-       'excel' => 'column'
+       'excel' => 'column',
+       'marc' => 'marc',
+       'feed' => 'feed'
 );
 
 sub data2xml {
@@ -66,6 +68,9 @@ sub data2xml {
        my $type = shift @_;
        my $row = shift @_;
        my $add_xml = shift @_;
+       # needed to read values from configuration file
+       my $cfg = shift @_;
+       my $database = shift @_;
 
        my $xml;
 
@@ -77,17 +82,17 @@ sub data2xml {
 
        # sort subrouting using order="" attribute
        sub by_order {
-               return 0 if (! $config->{indexer}->{$a}->{order});
-               return 0 if (! $config->{indexer}->{$b}->{order});
+               my $va = $config->{indexer}->{$a}->{order} ||
+                       $config->{indexer}->{$a};
+               my $vb = $config->{indexer}->{$b}->{order} ||
+                       $config->{indexer}->{$b};
 
-               return $config->{indexer}->{$a}->{order} <=>
-                       $config->{indexer}->{$b}->{order} ;
+               return $va <=> $vb;
        }
 
        foreach my $field (sort by_order keys %{$config->{indexer}}) {
 
                $field=x($field);
-
                $field_usage{$field}++;
 
                my $swish_data = "";
@@ -119,8 +124,44 @@ sub data2xml {
                        # init vars so that we go into while...
                        ($swish,$display) = (1,1);
 
-                       if ($swish || $display) {
+                       # placeholder for all repeatable entries for index
+                       my @index_data;
+                       my $index_filter;
+
+                       sub mkformat {
+                               my $x = shift || die "mkformat needs tag reference";
+                               my $data = shift || return;
+                               my $format_name = x($x->{format_name}) || return $data;
+                               my $fmt = x($config->{format}->{$format_name}->{content}) || die "<format name=\"$format_name\"> is not defined!";
+                               my $format_delimiter = x($x->{format_delimiter});
+                               my @data;
+                               if ($format_delimiter) {
+                                       @data = split(/$format_delimiter/,$data);
+                               } else {
+                                       push @data,$data;
+                               }
+
+                               if ($fmt) {
+                                       my $nr = scalar $fmt =~ s/%s/%s/g;
+                                       if (($#data+1) == $nr) {
+                                               return sprintf($fmt,@data);
+                                       } else {
+                                               print STDERR "mkformat: [$data] can't be split on [$format_delimiter] to $nr fields!\n";
+                                               return $data;
+                                       }
+                               } else {
+                                       print STDERR "usage of link '$format_name' without defined format (<link> tag)\n";
+                               }
+                       }
+
+                       # while because of repeatable fields
+                       while ($swish || $display) {
                                ($swish,$display) = parse_format($type, $format,$row,$repeat_off++,$import2cp);
+                               if ($repeat_off > 1000) {
+                                       print STDERR "loop (more than 1000 repeatable fields) deteced in $row, $format\n";
+                                       last;
+                               }
+                               
                                # filter="name" ; filter this field through
                                # filter/[name].pm
                                my $filter = $x->{filter};
@@ -145,31 +186,61 @@ sub data2xml {
                                        }
                                        if ($filter) {
                                                no strict 'refs';
-                                               $display_data .= join($delimiter,&$filter($display));
+                                               if ($display_data) {
+                                                       $display_data .= $delimiter.join($delimiter,mkformat($x,&$filter($display)));
+                                               } else {
+                                                       $display_data = join($delimiter,mkformat($x,&$filter($display)));
+                                               }
                                        } else {
                                                if ($display_data) {
-                                                       $display_data .= $delimiter.$display;
+                                                       $display_data .= $delimiter.mkformat($x,$display);
                                                } else {
-                                                       $display_data .= $display;
+                                                       $display_data = mkformat($x,$display);
                                                }
                                        }
                                }
                                                
                                # type="index" ; insert into index
                                if ($i && $display) {
-                                       my $index_data = $display;
-                                       if ($filter) {
-                                               no strict 'refs';
-                                               foreach my $d (&$filter($index_data)) {
-                                                       $index->insert($field, $d, $path);
-                                               }
-                                       } else {
-                                               $index->insert($field, $index_data, $path);
+                                       push @index_data, $display;
+                                       $index_filter = $filter if ($filter);
+                               }
+                       }
+
+                       # fill data in index
+                       if (@index_data) {
+                               if ($index_filter) {
+                                       no strict 'refs';
+                                       foreach my $d (@index_data) {
+                                               $index->insert($field, &$index_filter($d), $path);
+                                       }
+                               } else {
+                                       foreach my $d (@index_data) {
+                                               $index->insert($field, $d, $path);
                                        }
                                }
                        }
                }
 
+               # now try to parse variables from configuration file
+               foreach my $x (@{$config->{indexer}->{$field}->{'config'}}) {
+
+                       my $delimiter = x($x->{delimiter}) || ' ';
+                       my $val = $cfg->val($database, x($x->{content}));
+
+                       my ($s,$d,$i) = (1,1,0);        # swish, display default
+                       $s = 0 if (lc($x->{type}) eq "display");
+                       $d = 0 if (lc($x->{type}) eq "swish");
+                       ($s,$d,$i) = (0,0,1) if (lc($x->{type}) eq "index");
+
+                       if ($val) {
+                               $display_data .= $delimiter.$val if ($d);
+                               $swish_data .= $val if ($s);
+                               $index->insert($field, $val, $path) if ($i);
+                       }
+
+               }
+
 
                if ($display_data) {
 
@@ -207,7 +278,8 @@ sub data2xml {
 
        # dump formatted output in <html>
        if ($html) {
-               $xml .= xmlify("html",$html);
+               #$xml .= xmlify("html",$html);
+               $xml .= "<html><![CDATA[ $html ]]></html>";
        }
        
        if ($xml) {
@@ -234,6 +306,8 @@ $index = new index_DBI(
                $cfg_global->val('global', 'dbi_passwd') || '',
        );
 
+my $show_progress = $cfg_global->val('global', 'show_progress');
+
 foreach my $database ($cfg->Sections) {
 
        my $type = lc($cfg -> val($database, 'type')) || die "$database doesn't have 'type' defined";
@@ -245,12 +319,12 @@ print STDERR "reading ./import_xml/$type.xml\n";
        my $type_base = $type;
        $type_base =~ s/_.+$//g;
 
-       $config=XMLin("./import_xml/$type.xml", forcearray => [ $type2tag{$type_base} ], forcecontent => 1);
+       $config=XMLin("./import_xml/$type.xml", forcearray => [ $type2tag{$type_base}, 'config', 'format' ], forcecontent => 1);
 
        # output current progress indicator
        my $last_p = 0;
        sub progress {
-               #return if (! $opts{q});        # FIXME
+               return if (! $show_progress);
                my $current = shift;
                my $total = shift || 1;
                my $p = int($current * 100 / $total);
@@ -260,6 +334,20 @@ print STDERR "reading ./import_xml/$type.xml\n";
                }
        }
 
+       my $fake_dir = 1;
+       sub fakeprogress {
+               return if (! $show_progress);
+               my $current = shift @_;
+
+               my @ind = ('-','\\','|','/','-','\\','|','/', '-');
+
+               $last_p += $fake_dir;
+               $fake_dir = -$fake_dir if ($last_p > 1000 || $last_p < 0);
+               if ($last_p % 10 == 0) {
+                       printf STDERR ("%5d / %5s [%-51s]\r",$current,"?"," " x ($last_p/20).$ind[($last_p/20) % $#ind]);
+               }
+       }
+
        # now read database
 print STDERR "using: $type...\n";
 
@@ -270,8 +358,56 @@ print STDERR "using: $type...\n";
                $import2cp = Text::Iconv->new($config->{isis_codepage},$codepage);
                my $db = OpenIsis::open( $isis_db );
 
+               # check if .txt database for OpenIsis is zero length,
+               # if so, erase it and re-open database
+               sub check_txt_db {
+                       my $isis_db = shift || die "need isis database name";
+                       my $reopen = 0;
+
+                       if (-e $isis_db.".TXT") {
+                               print STDERR "WARNING: removing $isis_db.TXT OpenIsis database...\n";
+                               unlink $isis_db.".TXT" || warn "FATAL: unlink error on '$isis_db.TXT': $!";
+                               $reopen++;
+                       }
+                       if (-e $isis_db.".PTR") {
+                               print STDERR "WARNING: removing $isis_db.PTR OpenIsis database...\n";
+                               unlink $isis_db.".PTR" || warn "FATAL: unlink error on '$isis_db.PTR': $!";
+                               $reopen++;
+                       }
+                       return OpenIsis::open( $isis_db ) if ($reopen);
+               }
+
+               # EOF error
+               if ($db == -1) {
+                       $db = check_txt_db($isis_db);
+                       if ($db == -1) {
+                               print STDERR "FATAL: OpenIsis can't open zero size file $isis_db\n";
+                               next;
+                       }
+               }
+
+               # OpenIsis::ERR_BADF 
+               if ($db == -4) {
+                       print STDERR "FATAL: OpenIsis can't find file $isis_db\n";
+                       next;
+               # OpenIsis::ERR_IO
+               } elsif ($db == -5) {
+                       print STDERR "FATAL: OpenIsis can't access file $isis_db\n";
+                       next;
+               } elsif ($db < 0) {
+                       print STDERR "FATAL: OpenIsis unknown error $db with file $isis_db\n";
+                       next;
+               }
+
                my $max_rowid = OpenIsis::maxRowid( $db );
 
+               # if 0 records, try to rease isis .txt database
+               if ($max_rowid == 0) {
+                       # force removal of database
+                       $db = check_txt_db($isis_db);
+                       $max_rowid = OpenIsis::maxRowid( $db );
+               }
+
                print STDERR "Reading database: $isis_db [$max_rowid rows]\n";
 
                my $path = $database;
@@ -284,7 +420,7 @@ print STDERR "using: $type...\n";
 
                                my $swishpath = $path."#".int($row->{mfn});
 
-                               if (my $xml = data2xml($type_base,$row,$add_xml)) {
+                               if (my $xml = data2xml($type_base,$row,$add_xml,$cfg,$database)) {
                                        $xml = $cp2utf->convert($xml);
                                        use bytes;      # as opposed to chars
                                        print "Path-Name: $swishpath\n";
@@ -293,6 +429,10 @@ print STDERR "using: $type...\n";
                                }
                        }
                }
+               # for this to work with current version of OpenIsis (0.9.0)
+               # you might need my patch from
+               # http://www.rot13.org/~dpavlin/projects/openisis-0.9.0-perl_close.diff
+               OpenIsis::close($db);
                print STDERR "\n";
 
        } elsif ($type_base eq "excel") {
@@ -341,7 +481,43 @@ print STDERR "using: $type...\n";
 
                        next if (! $row);
 
-                       if (my $xml = data2xml($type,$row,$add_xml)) {
+                       if (my $xml = data2xml($type_base,$row,$add_xml,$cfg,$database)) {
+                               $xml = $cp2utf->convert($xml);
+                               use bytes;      # as opposed to chars
+                               print "Path-Name: $swishpath\n";
+                               print "Content-Length: ".(length($xml)+1)."\n";
+                               print "Document-Type: XML\n\n$xml\n";
+                       }
+               }
+       } elsif ($type_base eq "marc") {
+
+               use MARC;
+               
+               $import2cp = Text::Iconv->new($config->{marc_codepage},$codepage);
+               my $marc_file = $cfg -> val($database, 'marc_file') || die "$database doesn't have 'marc_file' defined!";
+
+               # optional argument is format
+               my $format = x($config->{format}) || 'usmarc';
+
+               print STDERR "Reading MARC file '$marc_file'\n";
+
+               my $marc = new MARC;
+               my $nr = $marc->openmarc({
+                               file=>$marc_file, format=>$format
+                       }) || die "Can't open MARC file '$marc_file'";
+
+               my $i=0;        # record nr.
+
+               my $rec;
+
+               while ($marc->nextmarc(1)) {
+
+                       # XXX
+                       fakeprogress($i++);
+
+                       my $swishpath = $database."#".$i;
+
+                       if (my $xml = data2xml($type_base,$marc,$add_xml,$cfg,$database)) {
                                $xml = $cp2utf->convert($xml);
                                use bytes;      # as opposed to chars
                                print "Path-Name: $swishpath\n";
@@ -349,6 +525,44 @@ print STDERR "using: $type...\n";
                                print "Document-Type: XML\n\n$xml\n";
                        }
                }
+       } elsif ($type_base eq "feed") {
+
+               $import2cp = Text::Iconv->new($config->{feed_codepage},$codepage);
+               my $prog = x($config->{prog}) || die "$database doesn't have 'prog' defined!";
+
+               print STDERR "Reading feed from program '$prog'\n";
+
+               open(FEED,"feeds/$prog |") || die "can't start $prog: $!";
+
+               my $i=1;        # record nr.
+
+               my $data;
+               my $line=1;
+
+               while (<FEED>) {
+                       chomp;
+
+                       if (/^$/) {
+                               my $swishpath = $database."#".$i++;
+
+                               if (my $xml = data2xml($type_base,$data,$add_xml,$cfg,$database)) {
+                                       $xml = $cp2utf->convert($xml);
+                                       use bytes;      # as opposed to chars
+                                       print "Path-Name: $swishpath\n";
+                                       print "Content-Length: ".(length($xml)+1)."\n";
+                                       print "Document-Type: XML\n\n$xml\n";
+                               }
+                               $line = 1;
+                               $data = {};
+                               next;
+                       }
+
+                       $line = $1 if (s/^(\d+):\s*//);
+                       $data->{$line++} = $_;
+
+                       fakeprogress($i);
+
+               }
        }
 }
 
@@ -361,15 +575,21 @@ __END__
 
 =head1 NAME
 
-isis2xml.pl - read isis file and dump XML
+all2xml.pl - read various file formats and dump XML for SWISH-E
 
 =head1 DESCRIPTION
 
-This command will read ISIS data file using OpenIsis perl module and
-create XML file for usage with I<SWISH-E>
-indexer. Dispite it's name, this script B<isn't general xml generator>
-from isis files (isis allready has something like that). Output of this
-script is tailor-made for SWISH-E.
+This command will read ISIS data file using OpenIsis perl module, MARC
+records using MARC module and optionally Micro$oft Excel files to
+create one XML file for usage with I<SWISH-E> indexer. Dispite it's name,
+this script B<isn't general xml generator> from isis files (isis allready
+has something like that). Output of this script is tailor-made for SWISH-E.
+
+=head1 BUGS
+
+Documentation is really lacking. However, in true Open Source spirit, source
+is best documentation. I even made considerable effort to comment parts
+which are not intuitively clear, so...
 
 =head1 AUTHOR