Line # Revision Author
1 1 dpavlin #!/usr/bin/perl -w
2
3 use strict;
4 760 dpavlin use Biblio::Isis 0.23;
5 1 dpavlin use Getopt::Std;
6 use Data::Dumper;
7 use XML::Simple;
8 10 dpavlin use Text::Iconv;
9 13 dpavlin use Config::IniFiles;
10 40 dpavlin use Encode;
11 776 dpavlin use GDBM_File;
12 177 dpavlin use Fcntl; # for O_RDWR
13 776 dpavlin #use TDB_File;
14 684 dpavlin use Carp;
15 1 dpavlin
16 10 dpavlin $|=1;
17 9 dpavlin
18 13 dpavlin my $config_file = $0;
19 $config_file =~ s/\.pl$/.conf/;
20 320 dpavlin $config_file = $ARGV[0] if ($ARGV[0] && -f $ARGV[0]);
21 13 dpavlin die "FATAL: can't find configuration file '$config_file'" if (! -e $config_file);
22
23 10 dpavlin my $config;
24
25 58 dpavlin #use index_DBI; # default DBI module for index
26 652 dpavlin #use index_DBI_cache; # faster DBI module using memory cache
27 use index_DBI_filter; # filter support for indexes
28 50 dpavlin my $index;
29 10 dpavlin
30 1 dpavlin my %opts;
31
32 7 dpavlin # usage:
33 # -d directory name
34 # -m multiple directories
35 # -q quiet
36 # -s run swish
37 1 dpavlin
38 7 dpavlin getopts('d:m:qs', \%opts);
39
40 43 dpavlin my $path; # this is name of database
41 1 dpavlin
42 57 dpavlin Text::Iconv->raise_error(0); # Conversion errors don't raise exceptions
43 3 dpavlin
44 40 dpavlin # this is encoding of all files on disk, including import_xml/*.xml file and
45 # filter/*.pm files! It will be used to store strings in perl internally!
46 my $codepage = 'ISO-8859-2';
47 10 dpavlin
48 40 dpavlin my $utf2cp = Text::Iconv->new('UTF-8',$codepage);
49 # this function will convert data from XML files to local encoding
50 sub x {
51 return $utf2cp->convert($_[0]);
52 }
53 29 dpavlin
54 54 dpavlin # decode isis/excel or other import codepage
55 my $import2cp;
56 29 dpavlin
57 40 dpavlin # outgoing xml must be in UTF-8
58 my $cp2utf = Text::Iconv->new($codepage,'UTF-8');
59
60 54 dpavlin # mapping between data type and tag which specify
61 # format in XML file
62 my %type2tag = (
63 'isis' => 'isis',
64 62 dpavlin 'excel' => 'column',
65 'marc' => 'marc',
66 684 dpavlin 'feed' => 'feed',
67 54 dpavlin );
68 3 dpavlin
69 170 dpavlin my $cache; # for cacheing
70
71 177 dpavlin # lookup hash (tied to file)
72 my %lhash;
73 # this option will cache all lookup entries in memory.
74 # if you are tight on memory, turn this off
75 my $use_lhash_cache = 1;
76
77 195 dpavlin my $last_field_name; # cache to prevent repeated fields
78
79 748 dpavlin my $broken_cdata = XMLin('<foo><![CDATA[<bar>]]></foo>') eq '<bar>>';
80 warn "XML::Simple on this system seems broken with <![CDATA[..]]>.\n" if ($broken_cdata);
81
82 54 dpavlin sub data2xml {
83
84 10 dpavlin use xmlify;
85
86 54 dpavlin my $type = shift @_;
87 3 dpavlin my $row = shift @_;
88 13 dpavlin my $add_xml = shift @_;
89 59 dpavlin # needed to read values from configuration file
90 my $cfg = shift @_;
91 my $database = shift @_;
92 3 dpavlin
93 my $xml;
94
95 10 dpavlin use parse_format;
96 3 dpavlin
97 13 dpavlin my $html = ""; # html formatted display output
98 10 dpavlin
99 13 dpavlin my %field_usage; # counter for usage of each field
100
101 32 dpavlin # sort subrouting using order="" attribute
102 sub by_order {
103 98 dpavlin my $va = $config->{indexer}->{$a}->{order} ||
104 $config->{indexer}->{$a};
105 my $vb = $config->{indexer}->{$b}->{order} ||
106 $config->{indexer}->{$b};
107 29 dpavlin
108 98 dpavlin return $va <=> $vb;
109 32 dpavlin }
110 3 dpavlin
111 170 dpavlin my @sorted_tags;
112 180 dpavlin if ($cache->{tags_by_order}) {
113 @sorted_tags = @{$cache->{tags_by_order}};
114 170 dpavlin } else {
115 @sorted_tags = sort by_order keys %{$config->{indexer}};
116 180 dpavlin $cache->{tags_by_order} = \@sorted_tags;
117 170 dpavlin }
118 32 dpavlin
119 684 dpavlin if (! @sorted_tags) {
120 print STDERR "WARNING: no tags for this type found in import_xml file!\n";
121 }
122
123 177 dpavlin # lookup key
124 my $lookup_key;
125
126 178 dpavlin # cache for field in pages
127 180 dpavlin delete $cache->{display_data};
128 delete $cache->{swish_data};
129 delete $cache->{swish_exact_data};
130 182 dpavlin delete $cache->{index_data};
131 188 dpavlin delete $cache->{index_delimiter};
132 731 dpavlin delete $cache->{distinct};
133 178 dpavlin my @page_fields; # names of fields
134
135
136 # subs used to produce output
137
138 sub get_field_name($$$) {
139 my ($config,$field,$field_usage) = @_;
140
141 # find field name (signular, plural)
142 my $field_name = "";
143 if ($config->{indexer}->{$field}->{name_singular} && $field_usage == 1) {
144 $field_name = $config->{indexer}->{$field}->{name_singular};
145 } elsif ($config->{indexer}->{$field}->{name_plural}) {
146 $field_name = $config->{indexer}->{$field}->{name_plural};
147 } elsif ($config->{indexer}->{$field}->{name}) {
148 $field_name = $config->{indexer}->{$field}->{name};
149 } else {
150 print STDERR "WARNING: field '$field' doesn't have 'name' attribute!";
151 }
152 601 dpavlin
153 178 dpavlin if ($field_name) {
154 601 dpavlin $field_name = x($field_name);
155 195 dpavlin if (! $last_field_name) {
156 601 dpavlin $last_field_name = $field_name;
157 195 dpavlin return $last_field_name;
158 } elsif ($field_name ne $last_field_name) {
159 601 dpavlin $last_field_name = $field_name;
160 195 dpavlin return $last_field_name;
161 }
162 178 dpavlin }
163 }
164
165 279 dpavlin
166 # init variables for different types
167 274 dpavlin sub init_visible_type($) {
168 my $type = shift;
169 178 dpavlin
170 274 dpavlin # swish, swish_exact, display, index, index_lookup
171 # swish and display defaults
172 my ($s,$se,$d,$i,$il) = (1,0,1,0,0);
173 if (lc($type) eq "display") {
174 $s = 0;
175 } elsif (lc($type) eq "swish") {
176 $d = 0;
177 } elsif (lc($type) eq "index") {
178 ($s,$se,$d,$i) = (0,1,0,1);
179 } elsif (lc($type) eq "swish_exact") {
180 ($s,$se,$d,$i) = (0,1,0,0);
181 } elsif (lc($type) =~ /^lookup/) {
182 ($s,$se,$d,$i,$il) = (0,1,0,0,1);
183 332 dpavlin } elsif ($type) {
184 print STDERR "WARNING: unknown type: $type\n";
185 274 dpavlin }
186 return ($s,$se,$d,$i,$il);
187 }
188
189 279 dpavlin
190 # convert
191 #
192 # <tag>
193 # <delimiter>, </delimiter>
194 # <value>200a</value>
195 # </tag>
196 #
197 # to
198 #
199 # <tag delimiter=", ">200a</tag>
200 #
201 # but without loosing spaces in delimiter (becasue
202 # new XML::Simple strips spaces in attribute values
203 # as defined in XML specification)
204 #
205 sub unroll_x($) {
206 my $x = shift;
207
208 if (defined $x->{value}) {
209 my ($v,$d) = ($x->{value}->{content}, $x->{delimiter}->{content});
210 delete $x->{value};
211 delete $x->{delimiter};
212 $x->{content} = $v;
213 748 dpavlin $d =~ s#>$## if ($d && $broken_cdata);
214 279 dpavlin $x->{delimiter} = $d;
215 }
216 return $x;
217 }
218
219 178 dpavlin # begin real work: go field by field
220 170 dpavlin foreach my $field (@sorted_tags) {
221
222 40 dpavlin $field=x($field);
223 13 dpavlin $field_usage{$field}++;
224
225 9 dpavlin my $swish_data = "";
226 163 dpavlin my $swish_exact_data = "";
227 10 dpavlin my $display_data = "";
228 182 dpavlin my @index_data;
229 35 dpavlin my $line_delimiter;
230 3 dpavlin
231 34 dpavlin my ($swish,$display);
232
233 684 dpavlin my $tag = $cfg->val($database, 'import_xml_tag') || $type2tag{$type} || die "can't find which tag to use for type $type";
234 178 dpavlin
235 # is this field page-by-page?
236 my $iterate_by_page = $config->{indexer}->{$field}->{iterate_by_page};
237 push @page_fields,$field if ($iterate_by_page);
238 my %page_max = ();
239 # default line_delimiter if using
240 my $page_line_delimiter = $config->{indexer}->{$field}->{page_line_delimiter} || '<br/>';
241 188 dpavlin $cache->{index_delimiter}->{$field} = $config->{indexer}->{$field}->{index_delimiter};
242 731 dpavlin my $distinct = $config->{indexer}->{$field}->{distinct};
243 if ($distinct && !$iterate_by_page) {
244 warn "WARNING: distinct is currently not supported without iterate_by_page!\n";
245 $distinct = 0;
246 }
247 178 dpavlin
248 195 dpavlin my $format_name = $config->{indexer}->{$field}->{format_name};
249 my $format_delimiter = $config->{indexer}->{$field}->{format_delimiter};
250 if ($format_name && $format_delimiter) {
251 $cache->{format}->{$field}->{format_name} = $format_name;
252 $cache->{format}->{$field}->{format_delimiter} = $format_delimiter;
253 }
254
255 54 dpavlin foreach my $x (@{$config->{indexer}->{$field}->{$tag}}) {
256 3 dpavlin
257 279 dpavlin $x = unroll_x($x);
258
259 40 dpavlin my $format = x($x->{content});
260 my $delimiter = x($x->{delimiter}) || ' ';
261 3 dpavlin
262 178 dpavlin my $repeat_off = 0; # init repeatable offset
263 29 dpavlin
264 274 dpavlin my ($s,$se,$d,$i,$il) = init_visible_type($x->{type});
265 29 dpavlin
266 35 dpavlin # what will separate last line from this one?
267 182 dpavlin if ($display_data && $x->{append}) {
268 290 dpavlin $line_delimiter = $delimiter;
269 35 dpavlin } elsif ($display_data) {
270 34 dpavlin $line_delimiter = '<br/>';
271 }
272 29 dpavlin
273 34 dpavlin # init vars so that we go into while...
274 ($swish,$display) = (1,1);
275 29 dpavlin
276 195 dpavlin sub mkformat($$) {
277 153 dpavlin my $x = shift || die "mkformat needs tag reference";
278 my $data = shift || return;
279 263 dpavlin my $format_name = x($x->{format_name}) || return $data;
280 153 dpavlin my $fmt = x($config->{format}->{$format_name}->{content}) || die "<format name=\"$format_name\"> is not defined!";
281 my $format_delimiter = x($x->{format_delimiter});
282 my @data;
283 if ($format_delimiter) {
284 @data = split(/$format_delimiter/,$data);
285 } else {
286 push @data,$data;
287 }
288
289 if ($fmt) {
290 my $nr = scalar $fmt =~ s/%s/%s/g;
291 if (($#data+1) == $nr) {
292 263 dpavlin return sprintf($fmt,@data);
293 153 dpavlin } else {
294 207 dpavlin #print STDERR "mkformat: [$data] can't be split on [$format_delimiter] to $nr fields!\n";
295 263 dpavlin return $data;
296 153 dpavlin }
297 } else {
298 print STDERR "usage of link '$format_name' without defined format (<link> tag)\n";
299 }
300 }
301
302 90 dpavlin # while because of repeatable fields
303 while ($swish || $display) {
304 178 dpavlin my $page = $repeat_off;
305 $page_max{$field} = $page if ($iterate_by_page && $page > ($page_max{$field} || 0));
306 54 dpavlin ($swish,$display) = parse_format($type, $format,$row,$repeat_off++,$import2cp);
307 90 dpavlin if ($repeat_off > 1000) {
308 print STDERR "loop (more than 1000 repeatable fields) deteced in $row, $format\n";
309 last;
310 }
311 177 dpavlin
312 # is this field is lookup?
313 if ($display && $x->{lookup}) {
314 178 dpavlin my $null = "<!-- null -->";
315 177 dpavlin if ($use_lhash_cache) {
316 if (!defined($cache->{lhash}->{$display})) {
317 my $new_display = $lhash{$display};
318 178 dpavlin if (defined($new_display)) {
319 177 dpavlin #print STDERR "lookup cache store '$display' = '$new_display'\n";
320 $display = $new_display;
321 $cache->{lhash}->{$display} = $new_display;
322 } else {
323 255 dpavlin # print STDERR "WARNING: lookup for '$display' didn't find anything.\n";
324 177 dpavlin $display = "";
325 178 dpavlin $cache->{lhash}->{$display} = $null;
326 177 dpavlin }
327 } else {
328 $display = $cache->{lhash}->{$display};
329 }
330 } else {
331 178 dpavlin $display = $lhash{$display} || $null;
332 177 dpavlin }
333 }
334
335 29 dpavlin # filter="name" ; filter this field through
336 # filter/[name].pm
337 my $filter = $x->{filter};
338 170 dpavlin if ($filter && !$cache->{filter_loaded}->{$filter}) {
339 29 dpavlin require "filter/".$filter.".pm";
340 170 dpavlin $cache->{filter_loaded}->{$filter}++;
341 20 dpavlin }
342 29 dpavlin # type="swish" ; field for swish
343 163 dpavlin if ($swish) {
344 259 dpavlin my $tmp = $swish;
345 163 dpavlin if ($filter && ($s || $se)) {
346 29 dpavlin no strict 'refs';
347 259 dpavlin $tmp = join(" ",&$filter($tmp)) if ($s || $se);
348 29 dpavlin }
349 234 dpavlin
350 255 dpavlin $swish_data .= $tmp if ($s && $tmp);
351 256 dpavlin $swish_exact_data .= "xxbxx $tmp xxexx " if ($tmp && $tmp ne "" && $se);
352 29 dpavlin }
353 17 dpavlin
354 29 dpavlin # type="display" ; field for display
355 if ($d && $display) {
356 207 dpavlin my $ldel = $delimiter;
357 35 dpavlin if ($line_delimiter && $display_data) {
358 207 dpavlin $ldel = $line_delimiter;
359 35 dpavlin }
360 29 dpavlin if ($filter) {
361 no strict 'refs';
362 207 dpavlin my @arr;
363 foreach my $tmp (&$filter($display)) {
364 my $tmp2 = mkformat($x,$tmp);
365 push @arr,$tmp2 if ($tmp2);
366 138 dpavlin }
367 207 dpavlin $display_data .= $ldel if ($display_data && @arr);
368 $display_data .= join($delimiter,@arr);
369 29 dpavlin } else {
370 207 dpavlin $display_data .= $ldel if ($display_data);
371 my $tmp = mkformat($x,$display);
372 224 dpavlin $display_data .= $tmp if ($tmp);
373 29 dpavlin }
374 20 dpavlin }
375 29 dpavlin
376 # type="index" ; insert into index
377 182 dpavlin my $idisplay;
378 29 dpavlin if ($i && $display) {
379 182 dpavlin $idisplay = $display;
380 177 dpavlin if ($filter) {
381 no strict 'refs';
382 182 dpavlin $idisplay = &$filter($idisplay);
383 177 dpavlin }
384 255 dpavlin push @index_data, $idisplay if ($idisplay && !$iterate_by_page);
385 97 dpavlin }
386
387 177 dpavlin # store fields in lookup
388 if ($il && $display) {
389 if (lc($x->{type}) eq "lookup_key") {
390 if ($lookup_key) {
391 print STDERR "WARNING: try to redefine lookup_key (keys shouldn't be repeatable fields!)";
392 } else {
393 233 dpavlin if ($filter) {
394 no strict 'refs';
395 $lookup_key = &$filter($display);
396 } else {
397 $lookup_key = $display;
398 }
399 177 dpavlin }
400 } elsif (lc($x->{type}) eq "lookup_val") {
401 if ($lookup_key) {
402 233 dpavlin if ($filter) {
403 no strict 'refs';
404 $lhash{$lookup_key} = &$filter($display);
405 } else {
406 $lhash{$lookup_key} = $display;
407 }
408 177 dpavlin } else {
409 print STDERR "WARNING: no lookup_key defined for '$display'?";
410 }
411 20 dpavlin }
412 178 dpavlin
413 20 dpavlin }
414 178 dpavlin
415 # store data for page-by-page repeatable fields
416 if ($iterate_by_page) {
417 sub iterate_fld($$$$$$) {
418 my ($cache,$what,$field,$page,$data,$append) = @_;
419 return if (!$data);
420 182 dpavlin
421 my $ldel = $page_line_delimiter;
422 $ldel = " " if ($append);
423 #print STDERR "line delimiter: ",Dumper($ldel) if ($ldel);
424 178 dpavlin if (! $cache->{$what}->{$field}->[$page]) {
425 731 dpavlin push @{$cache->{$what}->{$field}->[$page]}, {
426 data => $data,
427 delimiter => $ldel,
428 };
429 178 dpavlin }
430 }
431
432 if ($display_data) {
433 iterate_fld($cache,'display_data',$field,$page,$display_data,$x->{append});
434 }
435 $display_data = "";
436 if ($swish_data) {
437 iterate_fld($cache,'swish_data',$field,$page,$swish_data,$x->{append});
438 $swish_data = "";
439 }
440 if ($swish_exact_data) {
441 iterate_fld($cache,'swish_exact_data',$field,$page,$swish_exact_data,$x->{append});
442 $swish_exact_data = "";
443 }
444 182 dpavlin
445 if ($idisplay) {
446 my $ldel=$page_line_delimiter;
447 my @index_data;
448 if ($cache->{index_data}->{$field}->[$page]) {
449
450 @index_data = @{$cache->{index_data}->{$field}->[$page]};
451 }
452 if ($x->{append}) {
453 195 dpavlin if (@index_data) {
454 $index_data[$#index_data] .= $idisplay;
455 } else {
456 push @index_data, $idisplay;
457 }
458 182 dpavlin } else {
459 push @index_data, $idisplay;
460 }
461 $idisplay = "";
462 @{$cache->{index_data}->{$field}->[$page]} = @index_data;
463 }
464 178 dpavlin }
465 17 dpavlin }
466 177 dpavlin
467 182 dpavlin if (! $iterate_by_page) {
468 188 dpavlin my $idel = $x->{index_delimiter};
469 182 dpavlin # fill data in index
470 188 dpavlin foreach my $tmp (@index_data) {
471 my $i = $d = $tmp;
472 if ($idel && $tmp =~ m/$idel/) {
473 ($i,$d) = split(/$idel/,$tmp);
474 }
475 $index->insert($field, $i, $d, $path);
476 182 dpavlin }
477 @index_data = ();
478 177 dpavlin }
479 3 dpavlin }
480 9 dpavlin
481 59 dpavlin # now try to parse variables from configuration file
482 foreach my $x (@{$config->{indexer}->{$field}->{'config'}}) {
483 13 dpavlin
484 279 dpavlin $x = unroll_x($x);
485
486 62 dpavlin my $delimiter = x($x->{delimiter}) || ' ';
487 59 dpavlin my $val = $cfg->val($database, x($x->{content}));
488
489 274 dpavlin # FIXME index_lookup is not supported!
490 my ($s,$se,$d,$i,$il) = init_visible_type($x->{type});
491 59 dpavlin
492 if ($val) {
493 62 dpavlin $display_data .= $delimiter.$val if ($d);
494 274 dpavlin $swish_data .= " ".$val if ($s);
495 748 dpavlin $index->insert($field, $val, $val, $path) if ($i);
496 59 dpavlin }
497
498 178 dpavlin if ($iterate_by_page) {
499 # FIXME data from config tag will appear just
500 # on first page!!!
501 my $page = 0;
502 if ($display_data) {
503 731 dpavlin push @{$cache->{display_data}->{$field}->[$page]}, { data => $display_data };
504 178 dpavlin $display_data = "";
505 }
506 if ($swish_data) {
507 731 dpavlin push @{$cache->{swish_data}->{$field}->[$page]}, { data => $swish_data };
508 178 dpavlin $swish_data = "";
509 }
510 if ($swish_exact_data) {
511 731 dpavlin push @{$cache->{swish_exact_data}->{$field}->[$page]}, { data => $swish_exact_data };
512 178 dpavlin $swish_exact_data = "";
513 }
514 }
515 59 dpavlin }
516
517 178 dpavlin # save data page-by-page
518 foreach my $field (@page_fields) {
519 my $nr_pages = $page_max{$field} || next;
520 #print STDERR "field '$field' iterate over ",($nr_pages || 0)," pages...\n";
521 #print STDERR Dumper($cache->{display_data});
522 731 dpavlin my $seen; # used for distinct
523 178 dpavlin for (my $page=0; $page <= $nr_pages; $page++) {
524 195 dpavlin my $display_data;
525 731 dpavlin my $delimiter = '';
526 foreach my $element (@{ $cache->{display_data}->{$field}->[$page] }) {
527 my $data = $element->{data};
528 die "BUG! no data in element?" unless ($data);
529
530 if ($distinct) {
531