source: main/trunk/greenstone2/perllib/basebuildproc.pm@ 22590

Last change on this file since 22590 was 22590, checked in by kjdon, 14 years ago

perl told me to replace \1 and \2 with $1 and $2

  • Property svn:keywords set to Author Date Id Revision
File size: 22.2 KB
Line 
1##########################################################################
2#
3# basebuildproc.pm --
4# A component of the Greenstone digital library software
5# from the New Zealand Digital Library Project at the
6# University of Waikato, New Zealand.
7#
8# Copyright (C) 1999 New Zealand Digital Library Project
9#
10# This program is free software; you can redistribute it and/or modify
11# it under the terms of the GNU General Public License as published by
12# the Free Software Foundation; either version 2 of the License, or
13# (at your option) any later version.
14#
15# This program is distributed in the hope that it will be useful,
16# but WITHOUT ANY WARRANTY; without even the implied warranty of
17# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18# GNU General Public License for more details.
19#
20# You should have received a copy of the GNU General Public License
21# along with this program; if not, write to the Free Software
22# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23#
24###########################################################################
25
26# This document processor outputs a document for indexing (should be
27# implemented by subclass) and storing in the database
28
29package basebuildproc;
30
31eval {require bytes};
32
33use classify;
34use dbutil;
35use doc;
36use docproc;
37use strict;
38no strict 'subs';
39no strict 'refs';
40use util;
41
42BEGIN {
43 @basebuildproc::ISA = ('docproc');
44}
45
46sub new()
47 {
48 my ($class, $collection, $source_dir, $build_dir, $keepold, $verbosity, $outhandle) = @_;
49 my $self = new docproc ();
50
51 # outhandle is where all the debugging info goes
52 # output_handle is where the output of the plugins is piped
53 # to (i.e. mg, database etc.)
54 $outhandle = STDERR unless defined $outhandle;
55
56 $self->{'collection'} = $collection;
57 $self->{'source_dir'} = $source_dir;
58 $self->{'build_dir'} = $build_dir;
59 $self->{'keepold'} = $keepold;
60 $self->{'verbosity'} = $verbosity;
61 $self->{'outhandle'} = $outhandle;
62
63 $self->{'classifiers'} = [];
64 $self->{'mode'} = "text";
65 $self->{'assocdir'} = $build_dir;
66 $self->{'dontdb'} = {};
67 $self->{'store_metadata_coverage'} = "false";
68
69 $self->{'index'} = "section:text";
70 $self->{'indexexparr'} = [];
71
72 $self->{'separate_cjk'} = 0;
73
74 my $found_num_data = 0;
75 my $buildconfigfile = undef;
76
77 if ($keepold) {
78 # For incremental building need to seed num_docs etc from values
79 # stored in build.cfg (if present)
80 $buildconfigfile = &util::filename_cat($build_dir, "build.cfg");
81 if (-e $buildconfigfile) {
82 $found_num_data = 1;
83 }
84 else {
85 # try the index dir
86 $buildconfigfile = &util::filename_cat($ENV{'GSDLCOLLECTDIR'},
87 "index", "build.cfg");
88 if (-e $buildconfigfile) {
89 $found_num_data = 1;
90 }
91 }
92
93 }
94
95 if ($found_num_data)
96 {
97 #print STDERR "Found_Num_Data!\n";
98 my $buildcfg = &colcfg::read_build_cfg($buildconfigfile);
99 $self->{'starting_num_docs'} = $buildcfg->{'numdocs'};
100 #print STDERR "- num_docs: $self->{'starting_num_docs'}\n";
101 $self->{'starting_num_sections'} = $buildcfg->{'numsections'};
102 #print STDERR "- num_sections: $self->{'starting_num_sections'}\n";
103 $self->{'starting_num_bytes'} = $buildcfg->{'numbytes'};
104 #print STDERR "- num_bytes: $self->{'starting_num_bytes'}\n";
105 }
106 else
107 {
108 #print STDERR "NOT Found_Num_Data!\n";
109 $self->{'starting_num_docs'} = 0;
110 $self->{'starting_num_sections'} = 0;
111 $self->{'starting_num_bytes'} = 0;
112 }
113
114 $self->{'output_handle'} = "STDOUT";
115 $self->{'num_docs'} = $self->{'starting_num_docs'};
116 $self->{'num_sections'} = $self->{'starting_num_sections'};
117 $self->{'num_bytes'} = $self->{'starting_num_bytes'};
118
119 $self->{'num_processed_bytes'} = 0;
120 $self->{'store_text'} = 1;
121
122 # what level (section/document) the database - indexer intersection is
123 $self->{'db_level'} = "section";
124 #used by browse interface
125 $self->{'doclist'} = [];
126
127 $self->{'indexing_text'} = 0;
128
129 return bless $self, $class;
130
131}
132
133sub reset {
134 my $self = shift (@_);
135
136 $self->{'num_docs'} = $self->{'starting_num_docs'};
137 $self->{'num_sections'} = $self->{'starting_num_sections'};
138 $self->{'num_bytes'} = $self->{'starting_num_bytes'};
139
140 $self->{'num_processed_bytes'} = 0;
141}
142
143sub zero_reset {
144 my $self = shift (@_);
145
146 $self->{'num_docs'} = 0;
147 $self->{'num_sections'} = 0;
148 # reconstructed docs have no text, just metadata, so we need to
149 # remember how many bytes we had initially
150 $self->{'num_bytes'} = $self->{'starting_num_bytes'};
151
152 $self->{'num_processed_bytes'} = 0;
153}
154
155sub is_incremental_capable
156{
157 # By default we return 'no' as the answer
158 # Safer to assume non-incremental to start with, and then override in
159 # inherited classes that are.
160
161 return 0;
162}
163
164sub get_num_docs {
165 my $self = shift (@_);
166
167 return $self->{'num_docs'};
168}
169
170sub get_num_sections {
171 my $self = shift (@_);
172
173 return $self->{'num_sections'};
174}
175
176# num_bytes is the actual number of bytes in the collection
177# this is normally the same as what's processed during text compression
178sub get_num_bytes {
179 my $self = shift (@_);
180
181 return $self->{'num_bytes'};
182}
183
184# num_processed_bytes is the number of bytes actually passed
185# to mg for the current index
186sub get_num_processed_bytes {
187 my $self = shift (@_);
188
189 return $self->{'num_processed_bytes'};
190}
191
192sub set_output_handle {
193 my $self = shift (@_);
194 my ($handle) = @_;
195
196 $self->{'output_handle'} = $handle;
197}
198
199
200sub set_mode {
201 my $self = shift (@_);
202 my ($mode) = @_;
203
204 $self->{'mode'} = $mode;
205}
206
207sub get_mode {
208 my $self = shift (@_);
209
210 return $self->{'mode'};
211}
212
213sub set_assocdir {
214 my $self = shift (@_);
215 my ($assocdir) = @_;
216
217 $self->{'assocdir'} = $assocdir;
218}
219
220sub set_dontdb {
221 my $self = shift (@_);
222 my ($dontdb) = @_;
223
224 $self->{'dontdb'} = $dontdb;
225}
226
227sub set_infodbtype
228{
229 my $self = shift(@_);
230 my $infodbtype = shift(@_);
231 $self->{'infodbtype'} = $infodbtype;
232}
233
234sub set_index {
235 my $self = shift (@_);
236 my ($index, $indexexparr) = @_;
237
238 $self->{'index'} = $index;
239 $self->{'indexexparr'} = $indexexparr if defined $indexexparr;
240}
241
242sub set_index_languages {
243 my $self = shift (@_);
244 my ($lang_meta, $langarr) = @_;
245 $lang_meta =~ s/^ex\.//; # strip ex. if there
246 $self->{'lang_meta'} = $lang_meta;
247 $self->{'langarr'} = $langarr;
248}
249
250sub get_index {
251 my $self = shift (@_);
252
253 return $self->{'index'};
254}
255
256sub set_classifiers {
257 my $self = shift (@_);
258 my ($classifiers) = @_;
259
260 $self->{'classifiers'} = $classifiers;
261}
262
263sub set_indexing_text {
264 my $self = shift (@_);
265 my ($indexing_text) = @_;
266
267 $self->{'indexing_text'} = $indexing_text;
268}
269
270sub get_indexing_text {
271 my $self = shift (@_);
272
273 return $self->{'indexing_text'};
274}
275
276sub set_store_text {
277 my $self = shift (@_);
278 my ($store_text) = @_;
279
280 $self->{'store_text'} = $store_text;
281}
282
283sub set_store_metadata_coverage {
284 my $self = shift (@_);
285 my ($store_metadata_coverage) = @_;
286
287 $self->{'store_metadata_coverage'} = $store_metadata_coverage || "";
288}
289
290sub get_doc_list {
291 my $self = shift(@_);
292
293 return @{$self->{'doclist'}};
294}
295
296# the standard database level is section, but you may want to change it to document
297sub set_db_level {
298 my $self= shift (@_);
299 my ($db_level) = @_;
300
301 $self->{'db_level'} = $db_level;
302}
303
304sub set_sections_index_document_metadata {
305 my $self= shift (@_);
306 my ($index_type) = @_;
307
308 $self->{'sections_index_document_metadata'} = $index_type;
309}
310
311sub set_separate_cjk {
312 my $self = shift (@_);
313 my ($sep_cjk) = @_;
314
315 $self->{'separate_cjk'} = $sep_cjk;
316}
317
318sub process {
319 my $self = shift (@_);
320 my $method = $self->{'mode'};
321
322 $self->$method(@_);
323}
324
325# post process text depending on field. Currently don't do anything here
326# except cjk separation, and only for indexing
327# should only do this for indexed text (if $self->{'indexing_text'}),
328# but currently search term highlighting doesn't work if you do that.
329# once thats fixed up, then fix this.
330sub filter_text {
331 my $self = shift (@_);
332 my ($field, $text) = @_;
333
334 # lets do cjk seg here
335 my $new_text =$text;
336 if ($self->{'separate_cjk'}) {
337 $new_text = &cnseg::segment($text);
338 }
339 return $new_text;
340}
341
342
343sub infodb_metadata_stats
344{
345 my $self = shift (@_);
346 my ($field,$edit_mode) = @_;
347
348 # Keep some statistics relating to metadata sets used and
349 # frequency of particular metadata fields within each set
350
351 # Union of metadata prefixes and frequency of fields
352 # (both scoped for this document alone, and across whole collection)
353
354 if ($field =~ m/^(.+)\.(.*)$/) {
355 my $prefix = $1;
356 my $core_field = $2;
357
358 if (($edit_mode eq "add") || ($edit_mode eq "update")) {
359 $self->{'doc_mdprefix_fields'}->{$prefix}->{$core_field}++;
360 $self->{'mdprefix_fields'}->{$prefix}->{$core_field}++;
361 }
362 else {
363 # delete
364 $self->{'doc_mdprefix_fields'}->{$prefix}->{$core_field}--;
365 $self->{'mdprefix_fields'}->{$prefix}->{$core_field}--;
366 }
367
368 }
369 elsif ($field =~ m/^[[:upper:]]/) {
370 # implicit 'ex' metadata set
371
372 if (($edit_mode eq "add") || ($edit_mode eq "update")) {
373
374 $self->{'doc_mdprefix_fields'}->{'ex'}->{$field}++;
375 $self->{'mdprefix_fields'}->{'ex'}->{$field}++;
376 }
377 else {
378 # delete
379 $self->{'doc_mdprefix_fields'}->{'ex'}->{$field}--;
380 $self->{'mdprefix_fields'}->{'ex'}->{$field}--;
381 }
382 }
383
384}
385
386
387sub infodbedit {
388 my $self = shift (@_);
389 my ($doc_obj, $filename, $edit_mode) = @_;
390
391 # only output this document if it is a "indexed_doc" or "info_doc" (database only) document
392 my $doctype = $doc_obj->get_doc_type();
393 return if ($doctype ne "indexed_doc" && $doctype ne "info_doc");
394
395 my $archivedir = "";
396 if (defined $filename)
397 {
398 # doc_obj derived directly from file
399 my ($dir) = $filename =~ /^(.*?)(?:\/|\\)[^\/\\]*$/;
400 $dir = "" unless defined $dir;
401 $dir =~ s/\\/\//g;
402 $dir =~ s/^\/+//;
403 $dir =~ s/\/+$//;
404
405 $archivedir = $dir;
406
407 # resolve the final filenames of the files associated with this document
408 $self->assoc_files ($doc_obj, $archivedir);
409 }
410 else
411 {
412 # doc_obj reconstructed from database (has metadata, doc structure but no text)
413 my $top_section = $doc_obj->get_top_section();
414 $archivedir = $doc_obj->get_metadata_element($top_section,"archivedir");
415 }
416
417 if (($edit_mode eq "add")) {# || ($edit_mode eq "update")) {
418 #add this document to the browse structure
419 push(@{$self->{'doclist'}},$doc_obj->get_OID())
420 unless ($doctype eq "classification");
421 }
422# elsif ($edit_mode eq "update") {
423 # don't do anything. this assumes it will keep the same id.
424# }
425 elsif ($edit_mode eq "delete") {
426 # delete => remove this doc from browse structure
427 my $del_doc_oid = $doc_obj->get_OID();
428
429 my @filtered_doc_list = ();
430 foreach my $oid (@{$self->{'doclist'}}) {
431 push(@filtered_doc_list,$oid) if ($oid ne $del_doc_oid);
432 }
433 $self->{'doclist'} = \@filtered_doc_list;
434 }
435
436
437 # classify this document
438 &classify::classify_doc ($self->{'classifiers'}, $doc_obj, $edit_mode);
439
440 if (($edit_mode eq "add")) {# || ($edit_mode eq "update")) {
441 # this is another document
442 $self->{'num_docs'} += 1 unless ($doctype eq "classification");
443 }
444 elsif ($edit_mode eq "delete") {
445 # delete
446 $self->{'num_docs'} -= 1 unless ($doctype eq "classification");
447 }
448
449 # is this a paged or a hierarchical document
450 my ($thistype, $childtype) = $self->get_document_type ($doc_obj);
451
452 my $section = $doc_obj->get_top_section ();
453 my $doc_OID = $doc_obj->get_OID();
454 my $first = 1;
455 my $infodb_handle = $self->{'output_handle'};
456
457 $self->{'doc_mdprefix_fields'} = {};
458
459 while (defined $section)
460 {
461 my $section_OID = $doc_OID;
462 if ($section ne "")
463 {
464 $section_OID = $doc_OID . "." . $section;
465 }
466 my %section_infodb = ();
467
468 # update a few statistics - how do we do update????
469 if (($edit_mode eq "add")) {# || ($edit_mode eq "update")) {
470
471 $self->{'num_bytes'} += $doc_obj->get_text_length ($section);
472 $self->{'num_sections'} += 1 unless ($doctype eq "classification");
473 }
474 elsif ($edit_mode eq "delete") {
475 # delete
476 $self->{'num_bytes'} -= $doc_obj->get_text_length ($section);
477 $self->{'num_sections'} -= 1 unless ($doctype eq "classification");
478 }
479
480 # output the fact that this document is a document (unless doctype
481 # has been set to something else from within a plugin
482 my $dtype = $doc_obj->get_metadata_element ($section, "doctype");
483 if (!defined $dtype || $dtype !~ /\w/) {
484 $section_infodb{"doctype"} = [ "doc" ];
485 }
486
487 # Output whether this node contains text
488 #
489 # If doc_obj reconstructed from database file then no need to
490 # explicitly add <hastxt> as this is preserved as metadata when
491 # the database file is loaded in
492 if (defined $filename)
493 {
494 # doc_obj derived directly from file
495 if ($doc_obj->get_text_length($section) > 0) {
496 $section_infodb{"hastxt"} = [ "1" ];
497 } else {
498 $section_infodb{"hastxt"} = [ "0" ];
499 }
500 }
501
502 # output all the section metadata
503 my $metadata = $doc_obj->get_all_metadata ($section);
504 foreach my $pair (@$metadata) {
505 my ($field, $value) = (@$pair);
506
507 if ($field ne "Identifier" && $field !~ /^gsdl/ &&
508 defined $value && $value ne "") {
509
510 # escape problematic stuff
511 $value =~ s/([^\\])\\([^\\])/$1\\\\$2/g;
512 $value =~ s/\n/\\n/g;
513 $value =~ s/\r/\\r/g;
514 # remove ex. if there
515 $field =~ s/^ex\.//;
516
517 # special case for URL metadata
518 if ($field =~ /^URL$/i) {
519 if (($edit_mode eq "add") || ($edit_mode eq "update")) {
520
521 &dbutil::write_infodb_entry($self->{'infodbtype'}, $infodb_handle, $value, { 'section' => [ $section_OID ] });
522 }
523 else {
524 # delete
525 &dbutil::delete_infodb_entry($self->{'infodbtype'}, $infodb_handle, $value);
526 }
527
528
529 }
530
531 if (!defined $self->{'dontdb'}->{$field}) {
532 push(@{$section_infodb{$field}}, $value);
533
534 if ($section eq "" && $self->{'store_metadata_coverage'} =~ /^true$/i)
535 {
536 $self->infodb_metadata_stats($field,$edit_mode);
537 }
538 }
539 }
540 }
541
542 if ($section eq "")
543 {
544 my $doc_mdprefix_fields = $self->{'doc_mdprefix_fields'};
545
546 foreach my $prefix (keys %$doc_mdprefix_fields)
547 {
548 push(@{$section_infodb{"metadataset"}}, $prefix);
549
550 foreach my $field (keys %{$doc_mdprefix_fields->{$prefix}})
551 {
552 push(@{$section_infodb{"metadatalist-$prefix"}}, $field);
553
554 my $val = $doc_mdprefix_fields->{$prefix}->{$field};
555 push(@{$section_infodb{"metadatafreq-$prefix-$field"}}, $val);
556 }
557 }
558 }
559
560 # If doc_obj reconstructed from database file then no need to
561 # explicitly add <archivedir> as this is preserved as metadata when
562 # the database file is loaded in
563 if (defined $filename)
564 {
565 # output archivedir if at top level
566 if ($section eq $doc_obj->get_top_section()) {
567 $section_infodb{"archivedir"} = [ $archivedir ];
568 }
569 }
570
571 # output document display type
572 if ($first) {
573 $section_infodb{"thistype"} = [ $thistype ];
574 }
575
576 if ($self->{'db_level'} eq "document") {
577 # doc num is num_docs not num_sections
578 # output the matching document number
579 $section_infodb{"docnum"} = [ $self->{'num_docs'} ];
580 }
581 else {
582 # output a list of children
583 my $children = $doc_obj->get_children ($section);
584 if (scalar(@$children) > 0) {
585 $section_infodb{"childtype"} = [ $childtype ];
586 my $contains = "";
587 foreach my $child (@$children)
588 {
589 $contains .= ";" unless ($contains eq "");
590 if ($child =~ /^.*?\.(\d+)$/)
591 {
592 $contains .= "\".$1";
593 }
594 else
595 {
596 $contains .= "\".$child";
597 }
598 }
599 $section_infodb{"contains"} = [ $contains ];
600 }
601 # output the matching doc number
602 $section_infodb{"docnum"} = [ $self->{'num_sections'} ];
603 }
604
605 if (($edit_mode eq "add") || ($edit_mode eq "update")) {
606 # in case of update, this will overwrite old entry??
607 &dbutil::write_infodb_entry($self->{'infodbtype'}, $infodb_handle, $section_OID, \%section_infodb);
608 }
609 else {
610 # delete
611 &dbutil::delete_infodb_entry($self->{'infodbtype'}, $infodb_handle, $section_OID);
612 }
613
614
615 # output a database entry for the document number, except for Lucene (which no longer needs this information)
616 unless (ref($self) eq "lucenebuildproc")
617 {
618 if (($edit_mode eq "add") || ($edit_mode eq "update")) {
619
620 if ($self->{'db_level'} eq "document") {
621 &dbutil::write_infodb_entry($self->{'infodbtype'}, $infodb_handle, $self->{'num_docs'}, { 'section' => [ $doc_OID ] });
622 }
623 else {
624 &dbutil::write_infodb_entry($self->{'infodbtype'}, $infodb_handle, $self->{'num_sections'}, { 'section' => [ $section_OID ] });
625 }
626 }
627 else {
628
629 if ($self->{'db_level'} eq "document") {
630 &dbutil::delete_infodb_entry($self->{'infodbtype'}, $infodb_handle, $self->{'num_docs'});
631 }
632 else {
633 &dbutil::delete_infodb_entry($self->{'infodbtype'}, $infodb_handle, $self->{'num_sections'});
634 }
635
636 }
637 }
638
639 $first = 0;
640 $section = $doc_obj->get_next_section($section);
641 last if ($self->{'db_level'} eq "document"); # if no sections wanted, only add the docs
642 }
643}
644
645
646
647
648sub infodb {
649 my $self = shift (@_);
650 my ($doc_obj, $filename) = @_;
651
652 $self->infodbedit($doc_obj,$filename,"add");
653}
654
655sub infodbreindex {
656 my $self = shift (@_);
657 my ($doc_obj, $filename) = @_;
658
659 $self->infodbedit($doc_obj,$filename,"update");
660}
661
662sub infodbdelete {
663 my $self = shift (@_);
664 my ($doc_obj, $filename) = @_;
665
666 $self->infodbedit($doc_obj,$filename,"delete");
667}
668
669
670sub text {
671 my $self = shift (@_);
672 my ($doc_obj) = @_;
673
674 my $handle = $self->{'outhandle'};
675 print $handle "basebuildproc::text function must be implemented in sub classes\n";
676 die "\n";
677}
678
679sub textreindex
680{
681 my $self = shift @_;
682
683 my $outhandle = $self->{'outhandle'};
684 print $outhandle "basebuildproc::textreindex function must be implemented in sub classes\n";
685 if (!$self->is_incremental_capable()) {
686
687 print $outhandle " This operation is only possible with indexing tools with that support\n";
688 print $outhandle " incremental building\n";
689 }
690 die "\n";
691}
692
693sub textdelete
694{
695 my $self = shift @_;
696
697 my $outhandle = $self->{'outhandle'};
698 print $outhandle "basebuildproc::textdelete function must be implemented in sub classes\n";
699 if (!$self->is_incremental_capable()) {
700
701 print $outhandle " This operation is only possible with indexing tools with that support\n";
702 print $outhandle " incremental building\n";
703 }
704 die "\n";
705}
706
707
708# should the document be indexed - according to the subcollection and language
709# specification.
710sub is_subcollection_doc {
711 my $self = shift (@_);
712 my ($doc_obj) = @_;
713
714 my $indexed_doc = 1;
715 foreach my $indexexp (@{$self->{'indexexparr'}}) {
716 $indexed_doc = 0;
717 my ($field, $exp, $options) = split /\//, $indexexp;
718 if (defined ($field) && defined ($exp)) {
719 my ($bool) = $field =~ /^(.)/;
720 $field =~ s/^.// if $bool eq '!';
721 my @metadata_values;
722 if ($field =~ /^filename$/i) {
723 push(@metadata_values, $doc_obj->get_source_filename());
724 }
725 else {
726 $field =~ s/^ex\.//; #strip ex. if present
727 @metadata_values = @{$doc_obj->get_metadata($doc_obj->get_top_section(), $field)};
728 }
729 next unless @metadata_values;
730 foreach my $metadata_value (@metadata_values) {
731 if ($bool eq '!') {
732 if ($options =~ /^i$/i) {
733 if ($metadata_value !~ /$exp/i) {$indexed_doc = 1; last;}
734 } else {
735 if ($metadata_value !~ /$exp/) {$indexed_doc = 1; last;}
736 }
737 } else {
738 if ($options =~ /^i$/i) {
739 if ($metadata_value =~ /$exp/i) {$indexed_doc = 1; last;}
740 } else {
741 if ($metadata_value =~ /$exp/) {$indexed_doc = 1; last;}
742 }
743 }
744 }
745
746 last if ($indexed_doc == 1);
747 }
748 }
749
750 # if this doc is so far in the sub collection, and we have lang info,
751 # now we check the languages to see if it matches
752 if($indexed_doc && defined $self->{'lang_meta'}) {
753 $indexed_doc = 0;
754 my $field = $doc_obj->get_metadata_element($doc_obj->get_top_section(), $self->{'lang_meta'});
755 if (defined $field) {
756 foreach my $lang (@{$self->{'langarr'}}) {
757 my ($bool) = $lang =~ /^(.)/;
758 if ($bool eq '!') {
759 $lang =~ s/^.//;
760 if ($field !~ /$lang/) {
761 $indexed_doc = 1; last;
762 }
763 } else {
764 if ($field =~ /$lang/) {
765 $indexed_doc = 1; last;
766 }
767 }
768 }
769 }
770 }
771 return $indexed_doc;
772
773}
774
775# use 'Paged' if document has no more than 2 levels
776# and each section at second level has a number for
777# Title metadata
778# also use Paged if gsdlthistype metadata is set to Paged
779sub get_document_type {
780 my $self = shift (@_);
781 my ($doc_obj) = @_;
782
783 my $thistype = "VList";
784 my $childtype = "VList";
785 my $title;
786 my @tmp = ();
787
788 my $section = $doc_obj->get_top_section ();
789
790 my $gsdlthistype = $doc_obj->get_metadata_element ($section, "gsdlthistype");
791 if (defined $gsdlthistype) {
792 if ($gsdlthistype eq "Paged") {
793 $childtype = "Paged";
794 if ($doc_obj->get_text_length ($doc_obj->get_top_section())) {
795 $thistype = "Paged";
796 } else {
797 $thistype = "Invisible";
798 }
799
800 return ($thistype, $childtype);
801 } elsif ($gsdlthistype eq "Hierarchy") {
802 return ($thistype, $childtype); # use VList, VList
803 }
804 }
805 my $first = 1;
806 while (defined $section) {
807 @tmp = split /\./, $section;
808 if (scalar(@tmp) > 1) {
809 return ($thistype, $childtype);
810 }
811 if (!$first) {
812 $title = $doc_obj->get_metadata_element ($section, "Title");
813 if (!defined $title || $title !~ /^\d+$/) {
814 return ($thistype, $childtype);
815 }
816 }
817 $first = 0;
818 $section = $doc_obj->get_next_section($section);
819 }
820 if ($doc_obj->get_text_length ($doc_obj->get_top_section())) {
821 $thistype = "Paged";
822 } else {
823 $thistype = "Invisible";
824 }
825 $childtype = "Paged";
826 return ($thistype, $childtype);
827}
828
829sub assoc_files
830{
831 my $self = shift (@_);
832 my ($doc_obj, $archivedir) = @_;
833 my ($afile);
834
835 foreach my $assoc_file (@{$doc_obj->get_assoc_files()}) {
836 #rint STDERR "Processing associated file - copy " . $assoc_file->[0] . " to " . $assoc_file->[1] . "\n";
837 # if assoc file starts with a slash, we put it relative to the assoc
838 # dir, otherwise it is relative to the HASH... directory
839 if ($assoc_file->[1] =~ m@^[/\\]@) {
840 $afile = &util::filename_cat($self->{'assocdir'}, $assoc_file->[1]);
841 } else {
842 $afile = &util::filename_cat($self->{'assocdir'}, $archivedir, $assoc_file->[1]);
843 }
844 &util::hard_link ($assoc_file->[0], $afile, $self->{'verbosity'});
845 }
846}
847
Note: See TracBrowser for help on using the repository browser.