1 | ###########################################################################
|
---|
2 | #
|
---|
3 | # MARCXMLPlugin.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) 2001 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 | # Processes MARCXML documents. Note that this plugin does no
|
---|
27 | # syntax checking (though the XML::Parser module tests for
|
---|
28 | # well-formedness).
|
---|
29 |
|
---|
30 | package MARCXMLPlugin;
|
---|
31 |
|
---|
32 | use ReadXMLFile;
|
---|
33 |
|
---|
34 | use strict;
|
---|
35 | no strict 'refs'; # allow filehandles to be variables and viceversa
|
---|
36 |
|
---|
37 | sub BEGIN {
|
---|
38 | @MARCXMLPlugin::ISA = ('ReadXMLFile');
|
---|
39 | }
|
---|
40 |
|
---|
41 | my $arguments = [{'name' => "metadata_mapping_file",
|
---|
42 | 'desc' => "{MARCXMLPlugin.metadata_mapping_file}",
|
---|
43 | 'type' => "string",
|
---|
44 | 'deft' => "marctodc.txt",
|
---|
45 | 'reqd' => "no" }];
|
---|
46 |
|
---|
47 | my $options = { 'name' => "MARCXMLPlugin",
|
---|
48 | 'desc' => "{MARCXMLPlugin.desc}",
|
---|
49 | 'abstract' => "no",
|
---|
50 | 'inherits' => "yes",
|
---|
51 | 'args' => $arguments
|
---|
52 | };
|
---|
53 |
|
---|
54 | sub new {
|
---|
55 | my ($class) = shift (@_);
|
---|
56 | my ($pluginlist,$inputargs,$hashArgOptLists) = @_;
|
---|
57 | push(@$pluginlist, $class);
|
---|
58 |
|
---|
59 | push(@{$hashArgOptLists->{"ArgList"}},@{$arguments});
|
---|
60 | push(@{$hashArgOptLists->{"OptList"}},$options);
|
---|
61 |
|
---|
62 | my $self = new ReadXMLFile($pluginlist, $inputargs, $hashArgOptLists);
|
---|
63 |
|
---|
64 | $self->{'content'} = "";
|
---|
65 | $self->{'xmlcontent'} = "";
|
---|
66 | $self->{'record_count'} = 1;
|
---|
67 | $self->{'language'} = "";
|
---|
68 | $self->{'encoding'} = "";
|
---|
69 | $self->{'marc_mapping'} = {};
|
---|
70 | $self->{'current_code'} = "";
|
---|
71 | $self->{'current_tag'} = "";
|
---|
72 | $self->{'current_element'} = "";
|
---|
73 | $self->{'metadata_mapping'} = undef;
|
---|
74 | $self->{'num_processed'} = 0;
|
---|
75 | $self->{'indent'} = 0;
|
---|
76 |
|
---|
77 | return bless $self, $class;
|
---|
78 | }
|
---|
79 |
|
---|
80 | sub get_doctype {
|
---|
81 | my $self = shift(@_);
|
---|
82 |
|
---|
83 | return "collection";
|
---|
84 | }
|
---|
85 |
|
---|
86 |
|
---|
87 | sub _parse_marc_metadata_mapping
|
---|
88 | {
|
---|
89 | my $self = shift(@_);
|
---|
90 | my ($mm_file,$metadata_mapping) = @_;
|
---|
91 |
|
---|
92 | my $outhandle = $self->{'outhandle'};
|
---|
93 |
|
---|
94 | if (open(MMIN, "<$mm_file"))
|
---|
95 | {
|
---|
96 | my $l=0;
|
---|
97 | my $line;
|
---|
98 | while (defined($line=<MMIN>))
|
---|
99 | {
|
---|
100 | $l++;
|
---|
101 | chomp $line;
|
---|
102 | $line =~ s/#.*$//; # strip out any comments, including end of line
|
---|
103 | next if ($line =~ m/^\s*$/);
|
---|
104 | $line =~ s/\s+$//; # remove any white space at end of line
|
---|
105 |
|
---|
106 | my $parse_error_count = 0;
|
---|
107 | if ($line =~ m/^-(\d+)\s*$/) {
|
---|
108 | # special "remove" rule syntax
|
---|
109 | my $marc_info = $1;
|
---|
110 | if (defined $metadata_mapping->{$marc_info}) {
|
---|
111 | delete $metadata_mapping->{$marc_info};
|
---|
112 | }
|
---|
113 | else {
|
---|
114 | print $outhandle "Parse Warning: Did not file pre-existing rule $marc_info to remove";
|
---|
115 | print $outhandle " on line $l of $mm_file:\n";
|
---|
116 | print $outhandle " $line\n";
|
---|
117 | }
|
---|
118 | }
|
---|
119 | elsif ($line =~ m/^(.*?)->\s*([\w\^]+)$/)
|
---|
120 | {
|
---|
121 | my $lhs = $1;
|
---|
122 | my $gsdl_info = $2;
|
---|
123 |
|
---|
124 | my @fields = split(/,\s*/,$lhs);
|
---|
125 | my $f;
|
---|
126 | while ($f = shift (@fields)) {
|
---|
127 | $f =~ s/\s+$//; # remove any white space at end of line
|
---|
128 |
|
---|
129 | if ($f =~ m/^(\d+)\-(\d+)$/) {
|
---|
130 | # number range => genrate number in range and
|
---|
131 | # push on to array
|
---|
132 | push(@fields,$1..$2);
|
---|
133 | next;
|
---|
134 | }
|
---|
135 |
|
---|
136 | if ($f =~ m/^(\d+)((?:(?:\$|\^)\w)*)\s*$/) {
|
---|
137 |
|
---|
138 | my $marc_info = $1;
|
---|
139 | my $opt_sub_fields = $2;
|
---|
140 |
|
---|
141 | if ($opt_sub_fields ne "") {
|
---|
142 | my @sub_fields = split(/\$|\^/,$opt_sub_fields);
|
---|
143 | shift @sub_fields; # skip first entry, which is blank
|
---|
144 |
|
---|
145 | foreach my $sub_field (@sub_fields) {
|
---|
146 | $metadata_mapping->{$marc_info."\$".$sub_field} = $gsdl_info;
|
---|
147 | }
|
---|
148 | }
|
---|
149 | else {
|
---|
150 | # no subfields to worry about
|
---|
151 | $marc_info =~ s/\^/\$/;
|
---|
152 | $metadata_mapping->{$marc_info} = $gsdl_info;
|
---|
153 | }
|
---|
154 | }
|
---|
155 | else {
|
---|
156 | $parse_error_count++;
|
---|
157 | }
|
---|
158 | }
|
---|
159 | }
|
---|
160 | else
|
---|
161 | {
|
---|
162 | $parse_error_count++;
|
---|
163 | }
|
---|
164 |
|
---|
165 | if ($parse_error_count>0) {
|
---|
166 |
|
---|
167 | print $outhandle "Parse Error: $parse_error_count syntax error(s) on line $l of $mm_file:\n";
|
---|
168 | print $outhandle " $line\n";
|
---|
169 | }
|
---|
170 | }
|
---|
171 | close(MMIN);
|
---|
172 | }
|
---|
173 | else
|
---|
174 | {
|
---|
175 | print STDERR "Unable to open $mm_file: $!\n";
|
---|
176 | }
|
---|
177 | }
|
---|
178 |
|
---|
179 |
|
---|
180 | sub parse_marc_metadata_mapping
|
---|
181 | {
|
---|
182 | my $self = shift(@_);
|
---|
183 | my ($mm_file_or_files) = @_;
|
---|
184 |
|
---|
185 | my $metadata_mapping = {};
|
---|
186 |
|
---|
187 | if (ref ($mm_file_or_files) eq 'SCALAR') {
|
---|
188 | my $mm_file = $mm_file_or_files;
|
---|
189 | $self->_parse_marc_metadata_mapping($mm_file,$metadata_mapping);
|
---|
190 | }
|
---|
191 | else {
|
---|
192 | my $mm_files = $mm_file_or_files;
|
---|
193 |
|
---|
194 | # Need to process files in reverse order. This is so in the
|
---|
195 | # case where we have both a "collect" and "main" version,
|
---|
196 | # the "collect" one tops up the main one
|
---|
197 |
|
---|
198 | my $mm_file;
|
---|
199 | while ($mm_file = pop(@$mm_files)) {
|
---|
200 | $self->_parse_marc_metadata_mapping($mm_file,$metadata_mapping);
|
---|
201 | }
|
---|
202 | }
|
---|
203 |
|
---|
204 | return $metadata_mapping;
|
---|
205 | }
|
---|
206 |
|
---|
207 |
|
---|
208 | sub init {
|
---|
209 | my $self = shift (@_);
|
---|
210 | my ($verbosity, $outhandle, $failhandle) = @_;
|
---|
211 |
|
---|
212 | ## the mapping file has already been loaded
|
---|
213 | if (defined $self->{'metadata_mapping'} ){
|
---|
214 | $self->SUPER::init(@_);
|
---|
215 | return;
|
---|
216 | }
|
---|
217 |
|
---|
218 | # read in the metadata mapping file
|
---|
219 | my $mm_files = &util::locate_config_files($self->{'metadata_mapping_file'});
|
---|
220 |
|
---|
221 |
|
---|
222 | if (scalar(@$mm_files)==0)
|
---|
223 | {
|
---|
224 | my $msg = "MARCXMLPlugin ERROR: Can't locate mapping file \"" .
|
---|
225 | $self->{'metadata_mapping_file'} . "\".\n " .
|
---|
226 | " No marc files can be processed.\n";
|
---|
227 |
|
---|
228 | print $outhandle $msg;
|
---|
229 | print $failhandle $msg;
|
---|
230 | $self->{'metadata_mapping'} = undef;
|
---|
231 | # We pick up the error in process() if there is no $mm_file
|
---|
232 | # If we exit here, then pluginfo.pl will exit too!
|
---|
233 | }
|
---|
234 | else {
|
---|
235 | $self->{'metadata_mapping'} = $self->parse_marc_metadata_mapping($mm_files);
|
---|
236 | }
|
---|
237 |
|
---|
238 |
|
---|
239 | ##map { print STDERR $_."=>".$metadata_mapping->{$_}."\n"; } keys %$metadata_mapping;
|
---|
240 |
|
---|
241 | $self->SUPER::init(@_);
|
---|
242 | }
|
---|
243 |
|
---|
244 | # Called for DOCTYPE declarations - use die to bail out if this doctype
|
---|
245 | # is not meant for this plugin
|
---|
246 | sub xml_doctype {
|
---|
247 | my $self = shift(@_);
|
---|
248 |
|
---|
249 | my ($expat, $name, $sysid, $pubid, $internal) = @_;
|
---|
250 | return;
|
---|
251 |
|
---|
252 | }
|
---|
253 |
|
---|
254 |
|
---|
255 | sub xml_start_document {
|
---|
256 | my $self = shift(@_);
|
---|
257 |
|
---|
258 | my ($expat, $name, $sysid, $pubid, $internal) = @_;
|
---|
259 |
|
---|
260 |
|
---|
261 | my $file = $self->{'file'};
|
---|
262 | my $filename = $self->{'filename'};
|
---|
263 |
|
---|
264 | my ($language, $encoding) = $self->textcat_get_language_encoding ($filename);
|
---|
265 |
|
---|
266 | $self->{'language'} = $language;
|
---|
267 | $self->{'encoding'} = $encoding;
|
---|
268 | $self->{'element_count'} = 1;
|
---|
269 | $self->{'indent'} = 0;
|
---|
270 | my $outhandle = $self->{'outhandle'};
|
---|
271 | print $outhandle "MARCXMLPlugin: processing $self->{'file'}\n" if $self->{'verbosity'} > 1;
|
---|
272 | print STDERR "<Processing n='$self->{'file'}' p='MARCXMLPlugin'>\n" if $self->{'gli'};
|
---|
273 |
|
---|
274 | }
|
---|
275 |
|
---|
276 | sub xml_end_document {
|
---|
277 |
|
---|
278 | }
|
---|
279 |
|
---|
280 | sub xml_start_tag {
|
---|
281 | my $self = shift;
|
---|
282 | my $expat = shift;
|
---|
283 | my $element = shift;
|
---|
284 |
|
---|
285 | my $text = $_;
|
---|
286 | my $escaped_text = $self->escape_text($_);
|
---|
287 |
|
---|
288 | $self->{'current_element'} = $element;
|
---|
289 |
|
---|
290 | ##get all atributes of this element and store it in a map name=>value
|
---|
291 | my %attr_map = ();
|
---|
292 | my $attrstring = $_;
|
---|
293 | while ($attrstring =~ /(\w+)=\"(\w+)\"/){
|
---|
294 | $attr_map{$1}=$2;
|
---|
295 | $attrstring = $'; #'
|
---|
296 | }
|
---|
297 |
|
---|
298 |
|
---|
299 | my $processor = $self->{'processor'};
|
---|
300 |
|
---|
301 | ##create a new document for each record
|
---|
302 | if ($element eq "record") {
|
---|
303 | my $filename = $self->{'filename'};
|
---|
304 | my $language = $self->{'language'};
|
---|
305 | my $encoding = $self->{'encoding'};
|
---|
306 | my $file = $self->{'file'};
|
---|
307 | my $doc_obj = new doc($filename);
|
---|
308 | $doc_obj->set_OIDtype ($processor->{'OIDtype'}, $processor->{'OIDmetadata'});
|
---|
309 | $doc_obj->add_utf8_metadata($doc_obj->get_top_section(), "Language", $language);
|
---|
310 | $doc_obj->add_utf8_metadata($doc_obj->get_top_section(), "Encoding", $encoding);
|
---|
311 | my ($filemeta) = $file =~ /([^\\\/]+)$/;
|
---|
312 | $self->set_Source_metadata($doc_obj, $filemeta, $encoding);
|
---|
313 | $doc_obj->add_utf8_metadata($doc_obj->get_top_section(), "SourceSegment", "$self->{'record_count'}");
|
---|
314 | if ($self->{'cover_image'}) {
|
---|
315 | $self->associate_cover_image($doc_obj, $filename);
|
---|
316 | }
|
---|
317 | $doc_obj->add_utf8_metadata($doc_obj->get_top_section(), "Plugin", "$self->{'plugin_type'}");
|
---|
318 | $doc_obj->add_metadata($doc_obj->get_top_section(), "FileFormat", "XML");
|
---|
319 |
|
---|
320 | my $outhandle = $self->{'outhandle'};
|
---|
321 | print $outhandle "Record $self->{'record_count'} - MARCXMLPlugin: processing $self->{'file'}\n" if $self->{'verbosity'} > 1;
|
---|
322 |
|
---|
323 | $self->{'record_count'}++;
|
---|
324 | $self->{'doc_obj'} = $doc_obj;
|
---|
325 | $self->{'num_processed'}++;
|
---|
326 |
|
---|
327 | }
|
---|
328 |
|
---|
329 | ## get the marc code, for example 520
|
---|
330 | if ($element eq "datafield") {
|
---|
331 | if (defined $attr_map{'tag'} and $attr_map{'tag'} ne ""){
|
---|
332 | $self->{'current_tag'} = $attr_map{tag};
|
---|
333 | }
|
---|
334 | }
|
---|
335 |
|
---|
336 |
|
---|
337 | ## append the subcode to the marc code for example 520a or 520b
|
---|
338 | if ($element eq "subfield"){
|
---|
339 | if (defined $attr_map{'code'} and $attr_map{'code'} ne "" and $self->{'current_tag'} ne ""){
|
---|
340 | $self->{'current_code'} = $attr_map{'code'};
|
---|
341 | }
|
---|
342 | }
|
---|
343 |
|
---|
344 | if ($element eq "record"){
|
---|
345 | $self->{'indent'} = 0;
|
---|
346 | $self->{'content'} = "";
|
---|
347 | $self->{'xmlcontent'} = "";
|
---|
348 | }
|
---|
349 | else {
|
---|
350 | if ($element ne "subfield"){
|
---|
351 | $self->{'indent'} = 1;
|
---|
352 | }
|
---|
353 | else{
|
---|
354 | $self->{'indent'} = 2;
|
---|
355 | }
|
---|
356 | }
|
---|
357 |
|
---|
358 |
|
---|
359 | if ($element eq "collection") {
|
---|
360 | # remember the full start tag for <collection ...>
|
---|
361 | # This is needed to wrap around each <record> when generating its associate MARCXML file
|
---|
362 |
|
---|
363 | $self->{'xmlcollectiontag'} = $text;
|
---|
364 | }
|
---|
365 | else {
|
---|
366 | $self->{'content'} .= "<br/>" if ($element ne "record");
|
---|
367 | $self->{'content'} .= $self->calculate_indent($self->{'indent'}).$escaped_text;
|
---|
368 | $self->{'xmlcontent'} .= $text;
|
---|
369 | }
|
---|
370 |
|
---|
371 | }
|
---|
372 |
|
---|
373 |
|
---|
374 |
|
---|
375 | sub xml_end_tag {
|
---|
376 | my $self = shift(@_);
|
---|
377 | my ($expat, $element) = @_;
|
---|
378 |
|
---|
379 | my $text = $_;
|
---|
380 | my $escaped_text = $self->escape_text($_);
|
---|
381 |
|
---|
382 | if ($element eq "record" and defined $self->{'doc_obj'}) {
|
---|
383 | # process the document
|
---|
384 | my $processor = $self->{'processor'};
|
---|
385 | my $doc_obj = $self->{'doc_obj'};
|
---|
386 | $self->{'content'} .= "<br/>".$escaped_text;
|
---|
387 | $self->{'xmlcontent'} .= $text;
|
---|
388 |
|
---|
389 |
|
---|
390 | my $top_section = $doc_obj->get_top_section();
|
---|
391 |
|
---|
392 | my $tmp_marcxml_filename = &util::get_tmp_filename().".xml";
|
---|
393 | if (open (XMLOUT,">$tmp_marcxml_filename")) {
|
---|
394 |
|
---|
395 | print XMLOUT "<?xml-stylesheet type=\"text/xsl\" href=\"MARC21slim2English.xsl\"?>\n";
|
---|
396 | my $xml_content = $self->{'xmlcontent'};
|
---|
397 |
|
---|
398 | $xml_content = $self->{'xmlcollectiontag'}.$xml_content."</collection>";
|
---|
399 |
|
---|
400 | print XMLOUT $xml_content;
|
---|
401 |
|
---|
402 | close(XMLOUT);
|
---|
403 |
|
---|
404 | $doc_obj->associate_file($tmp_marcxml_filename,"marcxml.xml","text/xml", $top_section);
|
---|
405 |
|
---|
406 | # assicate xsl style file for presentation as HTML
|
---|
407 | my $xsl_filename = &util::filename_cat($ENV{'GSDLHOME'},"etc","MARC21slim2English.xsl");
|
---|
408 | $doc_obj->associate_file($xsl_filename,"MARC21slim2English.xsl","text/xml", $top_section);
|
---|
409 |
|
---|
410 | }
|
---|
411 | else {
|
---|
412 | my $outhandle = $self->{'outhandle'};
|
---|
413 | print $outhandle "Warning: Unable for write out associated MARCXML file $tmp_marcxml_filename\n";
|
---|
414 | }
|
---|
415 |
|
---|
416 | # include any metadata passed in from previous plugins
|
---|
417 | # note that this metadata is associated with the top level section
|
---|
418 |
|
---|
419 | $self->extra_metadata ($doc_obj,
|
---|
420 | $doc_obj->get_top_section(),
|
---|
421 | $self->{'metadata'});
|
---|
422 |
|
---|
423 |
|
---|
424 | $self->add_OID($doc_obj, $self->{'record_count'});
|
---|
425 |
|
---|
426 | $doc_obj->add_utf8_text($doc_obj->get_top_section(),$self->{'content'});
|
---|
427 | $processor->process($doc_obj);
|
---|
428 |
|
---|
429 | ##clean up
|
---|
430 | $self->{'content'} = "";
|
---|
431 | $self->{'xmlcontent'} = "";
|
---|
432 | $self->{'doc_obj'} = undef;
|
---|
433 | return;
|
---|
434 | }
|
---|
435 |
|
---|
436 | ## map the xmlmarc to gsdl metadata
|
---|
437 | if ($element eq "datafield" and defined $self->{'doc_obj'} and defined $self->{'marc_mapping'}){
|
---|
438 | my $metadata_mapping = $self->{'metadata_mapping'};
|
---|
439 | my $marc_mapping = $self->{'marc_mapping'};
|
---|
440 | my $doc_obj = $self->{'doc_obj'};
|
---|
441 |
|
---|
442 | ## print STDERR "**** Marc Record\n";
|
---|
443 | ## map { print STDERR $_."=>".$marc_mapping->{$_}."\n"; } keys %$marc_mapping;
|
---|
444 | ## print STDERR "**** Metadata Mapping\n";
|
---|
445 | ## map { print STDERR $_."=>".$metadata_mapping->{$_}."\n"; } keys %$metadata_mapping;
|
---|
446 |
|
---|
447 |
|
---|
448 | foreach my $marc_field (keys %$metadata_mapping){
|
---|
449 |
|
---|
450 | ## test whether this field has subfield
|
---|
451 | my $subfield = undef;
|
---|
452 | if ($marc_field =~ /(\d\d\d)(?:\$|\^)?(\w)/){
|
---|
453 | $marc_field = $1;
|
---|
454 | $subfield = $2;
|
---|
455 | }
|
---|
456 |
|
---|
457 | my $matched_field = $marc_mapping->{$marc_field};
|
---|
458 |
|
---|
459 | if (defined $matched_field) {
|
---|
460 |
|
---|
461 | my $meta_name = undef;
|
---|
462 | my $meta_value = undef;
|
---|
463 |
|
---|
464 | if (defined $subfield){
|
---|
465 | $meta_name = $metadata_mapping->{$marc_field."\$".$subfield};
|
---|
466 |
|
---|
467 | $meta_value = $matched_field->{$subfield};
|
---|
468 |
|
---|
469 | if (!defined $meta_value) {
|
---|
470 | # record read in does not have the specified subfield
|
---|
471 | next;
|
---|
472 | }
|
---|
473 | }
|
---|
474 | else {
|
---|
475 | $meta_name = $metadata_mapping->{$marc_field};
|
---|
476 |
|
---|
477 | # no subfield => get all the values
|
---|
478 | foreach my $value (sort keys %{$matched_field}) {
|
---|
479 | $meta_value .= $matched_field->{$value} ." ";
|
---|
480 | }
|
---|
481 |
|
---|
482 | }
|
---|
483 |
|
---|
484 | ## escape [ and ]
|
---|
485 | $meta_value =~ s/\[/\\\[/g;
|
---|
486 | $meta_value =~ s/\]/\\\]/g;
|
---|
487 | ##print STDERR "$meta_name=$meta_value\n";
|
---|
488 | $doc_obj->add_utf8_metadata($doc_obj->get_top_section(),$meta_name, $meta_value);
|
---|
489 |
|
---|
490 | }
|
---|
491 |
|
---|
492 | }
|
---|
493 |
|
---|
494 | ##clean up
|
---|
495 | $self->{'marc_mapping'} = undef;
|
---|
496 | $self->{'current_tag'} = "";
|
---|
497 | }
|
---|
498 |
|
---|
499 | if ($element eq "datafield"){
|
---|
500 | $self->{'indent'} = 1;
|
---|
501 | $self->{'content'} .= "<br/>".$self->calculate_indent($self->{'indent'}).$escaped_text;
|
---|
502 | $self->{'xmlcontent'} .= $text;
|
---|
503 | }
|
---|
504 | else{
|
---|
505 | $self->{'content'} .= $escaped_text;
|
---|
506 | $self->{'xmlcontent'} .= $text;
|
---|
507 | }
|
---|
508 |
|
---|
509 | }
|
---|
510 |
|
---|
511 |
|
---|
512 | sub set_OID {
|
---|
513 | my $self = shift (@_);
|
---|
514 | my ($doc_obj, $record_number) = @_;
|
---|
515 |
|
---|
516 | # first set it to generate hash value
|
---|
517 | $doc_obj->set_OID();
|
---|
518 |
|
---|
519 | # then top it up with an "r" + record-number suffix
|
---|
520 | my $id = $doc_obj->get_OID();
|
---|
521 | $doc_obj->set_OID($id . "r" . $record_number);
|
---|
522 | }
|
---|
523 |
|
---|
524 | sub xml_text {
|
---|
525 | my $self = shift(@_);
|
---|
526 | my ($expat) = @_;
|
---|
527 |
|
---|
528 | my $text = $_;
|
---|
529 | my $escaped_text = $self->escape_text($_);
|
---|
530 |
|
---|
531 | # protect against & in raw text file
|
---|
532 | $text =~ s/&/&/g; # can't have & in raw form, even in 'raw' xml text
|
---|
533 |
|
---|
534 | ## store the text of a marc code, for exapmle 520a=>A poem about....
|
---|
535 | if ($self->{'current_element'} eq "subfield" and $self->{'current_code'} ne "" and $_ ne "" ){
|
---|
536 | ##stored it in the marc_mapping
|
---|
537 |
|
---|
538 | my $current_tag = $self->{'current_tag'};
|
---|
539 | my $current_code = $self->{'current_code'};
|
---|
540 |
|
---|
541 | $self->{'marc_mapping'}->{$current_tag}->{$current_code} .= $_;
|
---|
542 |
|
---|
543 | $self->{'current_code'} = "";
|
---|
544 | }
|
---|
545 |
|
---|
546 | $self->{'content'} .= $escaped_text;
|
---|
547 | $self->{'xmlcontent'} .= $text;
|
---|
548 |
|
---|
549 | }
|
---|
550 |
|
---|
551 | sub calculate_indent{
|
---|
552 | my ($self,$num) = @_;
|
---|
553 |
|
---|
554 | my $indent ="";
|
---|
555 |
|
---|
556 | for (my $i=0; $i<$num;$i++){
|
---|
557 | $indent .= " ";
|
---|
558 | }
|
---|
559 |
|
---|
560 | return $indent;
|
---|
561 |
|
---|
562 | }
|
---|
563 |
|
---|
564 | sub escape_text {
|
---|
565 | my ($self,$text) = @_;
|
---|
566 | # special characters in the xml encoding
|
---|
567 | $text =~ s/&/&/g; # this has to be first...
|
---|
568 | $text =~ s/</</g;
|
---|
569 | $text =~ s/>/>/g;
|
---|
570 | $text =~ s/\"/"/g;
|
---|
571 |
|
---|
572 | return $text;
|
---|
573 | }
|
---|
574 |
|
---|
575 |
|
---|
576 | sub unescape_text {
|
---|
577 | my ($self,$text) = @_;
|
---|
578 | # special characters in the xml encoding
|
---|
579 | $text =~ s/</</g;
|
---|
580 | $text =~ s/>/>/g;
|
---|
581 | $text =~ s/"/\"/g;
|
---|
582 |
|
---|
583 | $text =~ s/&/&/g; # can't have & in raw form, even in unescaped xml!
|
---|
584 |
|
---|
585 | return $text;
|
---|
586 | }
|
---|
587 |
|
---|
588 |
|
---|
589 | 1;
|
---|
590 |
|
---|
591 |
|
---|