| 1 | ###########################################################################
|
|---|
| 2 | #
|
|---|
| 3 | # ISISPlugin.pm -- A plugin for CDS/ISIS databases
|
|---|
| 4 | #
|
|---|
| 5 | # A component of the Greenstone digital library software
|
|---|
| 6 | # from the New Zealand Digital Library Project at the
|
|---|
| 7 | # University of Waikato, New Zealand.
|
|---|
| 8 | #
|
|---|
| 9 | # Copyright 1999-2004 New Zealand Digital Library Project
|
|---|
| 10 | #
|
|---|
| 11 | # This program is free software; you can redistribute it and/or modify
|
|---|
| 12 | # it under the terms of the GNU General Public License as published by
|
|---|
| 13 | # the Free Software Foundation; either version 2 of the License, or
|
|---|
| 14 | # (at your option) any later version.
|
|---|
| 15 | #
|
|---|
| 16 | # This program is distributed in the hope that it will be useful,
|
|---|
| 17 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 18 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| 19 | # GNU General Public License for more details.
|
|---|
| 20 | #
|
|---|
| 21 | # You should have received a copy of the GNU General Public License
|
|---|
| 22 | # along with this program; if not, write to the Free Software
|
|---|
| 23 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|---|
| 24 | #
|
|---|
| 25 | ###########################################################################
|
|---|
| 26 |
|
|---|
| 27 | package ISISPlugin;
|
|---|
| 28 |
|
|---|
| 29 | use Encode;
|
|---|
| 30 |
|
|---|
| 31 | use multiread;
|
|---|
| 32 | use SplitTextFile;
|
|---|
| 33 | use MetadataRead;
|
|---|
| 34 | use FileUtils;
|
|---|
| 35 |
|
|---|
| 36 | use strict;
|
|---|
| 37 | no strict 'refs'; # allow filehandles to be variables and viceversa
|
|---|
| 38 |
|
|---|
| 39 | # ISISPlugin is a sub-class of SplitTextFile.
|
|---|
| 40 | # methods with identical signatures take precedence in the order given in the ISA list.
|
|---|
| 41 | sub BEGIN {
|
|---|
| 42 | @ISISPlugin::ISA = ('MetadataRead', 'SplitTextFile');
|
|---|
| 43 | }
|
|---|
| 44 |
|
|---|
| 45 |
|
|---|
| 46 | my $arguments =
|
|---|
| 47 | [ { 'name' => "process_exp",
|
|---|
| 48 | 'desc' => "{BaseImporter.process_exp}",
|
|---|
| 49 | 'type' => "regexp",
|
|---|
| 50 | 'reqd' => "no",
|
|---|
| 51 | 'deft' => &get_default_process_exp() },
|
|---|
| 52 | { 'name' => "block_exp",
|
|---|
| 53 | 'desc' => "{CommonUtil.block_exp}",
|
|---|
| 54 | 'type' => "regexp",
|
|---|
| 55 | 'reqd' => "no",
|
|---|
| 56 | 'deft' => &get_default_block_exp(),
|
|---|
| 57 | 'hiddengli' => "yes" },
|
|---|
| 58 | { 'name' => "split_exp",
|
|---|
| 59 | 'desc' => "{SplitTextFile.split_exp}",
|
|---|
| 60 | 'type' => "regexp",
|
|---|
| 61 | 'reqd' => "no",
|
|---|
| 62 | 'deft' => &get_default_split_exp(),
|
|---|
| 63 | 'hiddengli' => "yes" },
|
|---|
| 64 |
|
|---|
| 65 | # The interesting options
|
|---|
| 66 | { 'name' => "entry_separator",
|
|---|
| 67 | 'desc' => "{ISISPlugin.entry_separator}",
|
|---|
| 68 | 'type' => "string",
|
|---|
| 69 | 'reqd' => "no",
|
|---|
| 70 | 'deft' => "<br>" },
|
|---|
| 71 | { 'name' => "subfield_separator",
|
|---|
| 72 | 'desc' => "{ISISPlugin.subfield_separator}",
|
|---|
| 73 | 'type' => "string",
|
|---|
| 74 | 'reqd' => "no",
|
|---|
| 75 | 'deft' => ", " }
|
|---|
| 76 | ];
|
|---|
| 77 |
|
|---|
| 78 | my $options = { 'name' => "ISISPlugin",
|
|---|
| 79 | 'desc' => "{ISISPlugin.desc}",
|
|---|
| 80 | 'abstract' => "no",
|
|---|
| 81 | 'inherits' => "yes",
|
|---|
| 82 | 'explodes' => "yes",
|
|---|
| 83 | 'args' => $arguments };
|
|---|
| 84 |
|
|---|
| 85 |
|
|---|
| 86 | # This plugin processes files with the suffix ".mst"
|
|---|
| 87 | sub get_default_process_exp {
|
|---|
| 88 | return q^(?i)(\.mst)$^;
|
|---|
| 89 | }
|
|---|
| 90 |
|
|---|
| 91 |
|
|---|
| 92 | # This plugin blocks files with the suffix ".fdt" and ".xrf"
|
|---|
| 93 | sub get_default_block_exp {
|
|---|
| 94 | return q^(?i)(\.fdt|\.xrf)$^;
|
|---|
| 95 | #return "";
|
|---|
| 96 | }
|
|---|
| 97 |
|
|---|
| 98 |
|
|---|
| 99 | # This plugin splits the input text at the "----------" lines
|
|---|
| 100 | sub get_default_split_exp {
|
|---|
| 101 | return q^\r?\n----------\r?\n^;
|
|---|
| 102 | }
|
|---|
| 103 |
|
|---|
| 104 |
|
|---|
| 105 | sub new
|
|---|
| 106 | {
|
|---|
| 107 | my ($class) = shift (@_);
|
|---|
| 108 | my ($pluginlist,$inputargs,$hashArgOptLists) = @_;
|
|---|
| 109 | push(@$pluginlist, $class);
|
|---|
| 110 |
|
|---|
| 111 | push(@{$hashArgOptLists->{"ArgList"}},@{$arguments});
|
|---|
| 112 | push(@{$hashArgOptLists->{"OptList"}},$options);
|
|---|
| 113 |
|
|---|
| 114 | my $self = new SplitTextFile($pluginlist, $inputargs, $hashArgOptLists);
|
|---|
| 115 |
|
|---|
| 116 | if ($self->{'info_only'}) {
|
|---|
| 117 | # don't worry about any options etc
|
|---|
| 118 | return bless $self, $class;
|
|---|
| 119 | }
|
|---|
| 120 |
|
|---|
| 121 | # isis plug doesn't care about encoding - it assumes ascii unless the user
|
|---|
| 122 | # has specified an encoding
|
|---|
| 123 | if ($self->{'input_encoding'} eq "auto") {
|
|---|
| 124 | $self->{'input_encoding'} = "ascii";
|
|---|
| 125 | }
|
|---|
| 126 | return bless $self, $class;
|
|---|
| 127 | }
|
|---|
| 128 |
|
|---|
| 129 | # we block the corresponding fdt and xrf
|
|---|
| 130 | # a pain on windows. blocks xxx.FDT, but if actual file is xx.fdt then
|
|---|
| 131 | # complains that no plugin can process it. Have put it back to using
|
|---|
| 132 | # block exp for now
|
|---|
| 133 | # This works now, as are doing case insenstive blocking on windows. However,
|
|---|
| 134 | # a pain for GLI as will not know what plugin processes the fdt and xrf.
|
|---|
| 135 | # if add to process expression, then get more problems.
|
|---|
| 136 | sub store_block_files_tmp {
|
|---|
| 137 |
|
|---|
| 138 | my $self =shift (@_);
|
|---|
| 139 | my ($filename_full_path, $block_hash) = @_;
|
|---|
| 140 | print STDERR "in store block files\n";
|
|---|
| 141 | $self->check_auxiliary_files($filename_full_path);
|
|---|
| 142 | if (-e $self->{'fdt_file_path'}) {
|
|---|
| 143 | print STDERR "$self->{'fdt_file_path'}\n";
|
|---|
| 144 | my $fdt_file = $self->{'fdt_file_path'};
|
|---|
| 145 | $self->block_raw_filename($block_hash,$fdt_file);
|
|---|
| 146 | }
|
|---|
| 147 | if (-e $self->{'xrf_file_path'}) {
|
|---|
| 148 | print STDERR "$self->{'xrf_file_path'}\n";
|
|---|
| 149 | my $xrf_file = $self->{'xrf_file_path'};
|
|---|
| 150 | $self->block_raw_filename($block_hash,$xrf_file);
|
|---|
| 151 | }
|
|---|
| 152 |
|
|---|
| 153 |
|
|---|
| 154 | }
|
|---|
| 155 |
|
|---|
| 156 | sub check_auxiliary_files {
|
|---|
| 157 | my $self = shift (@_);
|
|---|
| 158 | my ($filename) = @_;
|
|---|
| 159 |
|
|---|
| 160 | my ($database_file_path_root) = ($filename =~ /(.*)\.mst$/i);
|
|---|
| 161 | # Check the associated .fdt and .xrf files exist
|
|---|
| 162 | $self->{'fdt_file_path'} = $database_file_path_root . ".FDT";
|
|---|
| 163 | if (!-e $self->{'fdt_file_path'}) {
|
|---|
| 164 | $self->{'fdt_file_path'} = $database_file_path_root . ".fdt";
|
|---|
| 165 | }
|
|---|
| 166 | $self->{'xrf_file_path'} = $database_file_path_root . ".XRF";
|
|---|
| 167 | if (!-e $self->{'xrf_file_path'}) {
|
|---|
| 168 | $self->{'xrf_file_path'} = $database_file_path_root . ".xrf";
|
|---|
| 169 | }
|
|---|
| 170 | }
|
|---|
| 171 |
|
|---|
| 172 |
|
|---|
| 173 | sub read_file
|
|---|
| 174 | {
|
|---|
| 175 | my $self = shift (@_);
|
|---|
| 176 | my ($filename, $encoding, $language, $textref) = @_;
|
|---|
| 177 | my $outhandle = $self->{'outhandle'};
|
|---|
| 178 |
|
|---|
| 179 | my ($database_file_path_root) = ($filename =~ /(.*)\.mst$/i);
|
|---|
| 180 | my $mst_file_path_relative = $filename;
|
|---|
| 181 | $mst_file_path_relative =~ s/^.+import.(.*?)$/$1/;
|
|---|
| 182 |
|
|---|
| 183 | # Check the associated .fdt and .xrf files exist
|
|---|
| 184 | $self->check_auxiliary_files($filename);
|
|---|
| 185 |
|
|---|
| 186 | if (!-e $self->{'fdt_file_path'}) {
|
|---|
| 187 | print STDERR "<ProcessingError n='$mst_file_path_relative' r='Could not find ISIS FDT file $self->{'fdt_file_path'}'>\n" if ($self->{'gli'});
|
|---|
| 188 | print $outhandle "Error: Could not find ISIS FDT file " . $self->{'fdt_file_path'} . ".\n";
|
|---|
| 189 | return;
|
|---|
| 190 | }
|
|---|
| 191 | if (!-e $self->{'xrf_file_path'}) {
|
|---|
| 192 | print STDERR "<ProcessingError n='$mst_file_path_relative' r='Could not find ISIS XRF file $self->{'xrf_file_path'}'>\n" if ($self->{'gli'});
|
|---|
| 193 | print $outhandle "Error: Could not find ISIS XRF file " . $self->{'xrf_file_path'} . ".\n";
|
|---|
| 194 | return;
|
|---|
| 195 | }
|
|---|
| 196 |
|
|---|
| 197 | # The text to split is exported from the database by the IsisGdl program
|
|---|
| 198 | open(FILE, "IsisGdl \"$filename\" |");
|
|---|
| 199 |
|
|---|
| 200 | my $reader = new multiread();
|
|---|
| 201 | $reader->set_handle('ISISPlugin::FILE');
|
|---|
| 202 | $reader->set_encoding($encoding);
|
|---|
| 203 | $reader->read_file($textref);
|
|---|
| 204 |
|
|---|
| 205 | # At this point $$textref is a binary byte string
|
|---|
| 206 | # => turn it into a Unicode aware string, so full
|
|---|
| 207 | # Unicode aware pattern matching can be used.
|
|---|
| 208 | # For instance: 's/\x{0101}//g' or '[[:upper:]]'
|
|---|
| 209 | #
|
|---|
| 210 |
|
|---|
| 211 | $$textref = decode("utf8",$$textref);
|
|---|
| 212 | close(FILE);
|
|---|
| 213 |
|
|---|
| 214 | # Parse the associated ISIS database Field Definition Table file (.fdt)
|
|---|
| 215 | my %fdt_mapping = &parse_field_definition_table($self->{'fdt_file_path'}, $encoding);
|
|---|
| 216 | $self->{'fdt_mapping'} = \%fdt_mapping;
|
|---|
| 217 |
|
|---|
| 218 | # Remove the line at the start, and any blank lines, so the data is split and processed properly
|
|---|
| 219 | $$textref =~ s/^----------\r?\n//;
|
|---|
| 220 | $$textref =~ s/(\r|\n)\n/\n/g;
|
|---|
| 221 | }
|
|---|
| 222 |
|
|---|
| 223 |
|
|---|
| 224 | sub process
|
|---|
| 225 | {
|
|---|
| 226 | my $self = shift (@_);
|
|---|
| 227 | my ($textref, $pluginfo, $base_dir, $file, $metadata, $doc_obj, $gli) = @_;
|
|---|
| 228 | my $outhandle = $self->{'outhandle'};
|
|---|
| 229 |
|
|---|
| 230 | # store the auxiliary files so we know which ones were used
|
|---|
| 231 | # (mst file becomes the source file)
|
|---|
| 232 | $doc_obj->associate_source_file($self->{'fdt_file_path'});
|
|---|
| 233 | $doc_obj->associate_source_file($self->{'xrf_file_path'});
|
|---|
| 234 |
|
|---|
| 235 | my $section = $doc_obj->get_top_section();
|
|---|
| 236 | my $fdt_mapping = $self->{'fdt_mapping'};
|
|---|
| 237 | my $subfield_separator = $self->{'subfield_separator'};
|
|---|
| 238 | my $entry_separator = $self->{'entry_separator'};
|
|---|
| 239 | my $isis_record_html_metadata_value = "<table cellpadding=\"4\" cellspacing=\"0\">";
|
|---|
| 240 |
|
|---|
| 241 | # Process each line of the ISIS record, one at a time
|
|---|
| 242 | foreach my $line (split(/\n/, $$textref)) {
|
|---|
| 243 | $line =~ s/(\s*)$//; # Remove any nasty whitespace (very important for Windows)
|
|---|
| 244 | $line =~ /^tag=(.*) data=(.+)$/;
|
|---|
| 245 | my $tag = $1;
|
|---|
| 246 | my $tag_data = $2;
|
|---|
| 247 | # print STDERR "\nTag: $tag, Data: $tag_data\n";
|
|---|
| 248 |
|
|---|
| 249 | # Convert the tag number into a name, and remove any invalid characters
|
|---|
| 250 | my $raw_metadata_name = $fdt_mapping->{$tag}{'name'} || "";
|
|---|
| 251 | $raw_metadata_name =~ s/[,&\#\.\-\/]/ /g;
|
|---|
| 252 | next if ($raw_metadata_name eq "");
|
|---|
| 253 |
|
|---|
| 254 | # Metadata field names: title case, then remove spaces
|
|---|
| 255 | my $metadata_name = "";
|
|---|
| 256 | foreach my $word (split(/\s+/, $raw_metadata_name)) {
|
|---|
| 257 | substr($word, 0, 1) =~ tr/a-z/A-Z/;
|
|---|
| 258 | $metadata_name .= $word;
|
|---|
| 259 | }
|
|---|
| 260 |
|
|---|
| 261 | my $all_metadata_name = $metadata_name . "^all";
|
|---|
| 262 | my $all_metadata_value = "";
|
|---|
| 263 |
|
|---|
| 264 | # Handle repeatable fields
|
|---|
| 265 | if ($fdt_mapping->{$tag}{'repeatable'}) {
|
|---|
| 266 | # Multiple values are separated using the '%' character
|
|---|
| 267 | foreach my $raw_metadata_value (split(/%/, $tag_data)) {
|
|---|
| 268 | my $metadata_value = "";
|
|---|
| 269 |
|
|---|
| 270 | # Handle subfields
|
|---|
| 271 | while ($raw_metadata_value ne "") {
|
|---|
| 272 | # If there is a subfield specifier, parse it off
|
|---|
| 273 | my $sub_metadata_name = $metadata_name;
|
|---|
| 274 | if ($raw_metadata_value =~ s/^\^// && $raw_metadata_value =~ s/^([a-z])//) {
|
|---|
| 275 | $sub_metadata_name .= "^$1";
|
|---|
| 276 | }
|
|---|
| 277 |
|
|---|
| 278 | # Parse the value off and add it as metadata
|
|---|
| 279 | $raw_metadata_value =~ s/^([^\^]*)//;
|
|---|
| 280 | my $sub_metadata_value = &escape_metadata_value($1);
|
|---|
| 281 |
|
|---|
| 282 | # print STDERR "Sub metadata name: $sub_metadata_name, value: $sub_metadata_value\n";
|
|---|
| 283 | if ($sub_metadata_name ne $metadata_name) {
|
|---|
| 284 | $doc_obj->add_utf8_metadata($section, $sub_metadata_name, $sub_metadata_value);
|
|---|
| 285 | }
|
|---|
| 286 |
|
|---|
| 287 | # If this tag has subfields and this is the first, use the value for the CDS/ISIS ^* field
|
|---|
| 288 | if ($fdt_mapping->{$tag}{'subfields'} ne "" && $metadata_value eq "") {
|
|---|
| 289 | $doc_obj->add_utf8_metadata($section, $metadata_name . "^*", $sub_metadata_value);
|
|---|
| 290 | }
|
|---|
| 291 |
|
|---|
| 292 | $metadata_value .= $subfield_separator unless ($metadata_value eq "");
|
|---|
| 293 | $metadata_value .= $sub_metadata_value;
|
|---|
| 294 | }
|
|---|
| 295 |
|
|---|
| 296 | # Add the metadata value
|
|---|
| 297 | # print STDERR "Metadata name: $metadata_name, value: $metadata_value\n";
|
|---|
| 298 | $doc_obj->add_utf8_metadata($section, $metadata_name, $metadata_value);
|
|---|
| 299 |
|
|---|
| 300 | $all_metadata_value .= $entry_separator unless ($all_metadata_value eq "");
|
|---|
| 301 | $all_metadata_value .= $metadata_value;
|
|---|
| 302 | }
|
|---|
| 303 | }
|
|---|
| 304 |
|
|---|
| 305 | # Handle non-repeatable fields
|
|---|
| 306 | else {
|
|---|
| 307 | my $raw_metadata_value = $tag_data;
|
|---|
| 308 | my $metadata_value = "";
|
|---|
| 309 |
|
|---|
| 310 | # Handle subfields
|
|---|
| 311 | while ($raw_metadata_value ne "") {
|
|---|
| 312 | # If there is a subfield specifier, parse it off
|
|---|
| 313 | my $sub_metadata_name = $metadata_name;
|
|---|
| 314 | if ($raw_metadata_value =~ s/^\^// && $raw_metadata_value =~ s/^([a-z])//) {
|
|---|
| 315 | $sub_metadata_name .= "^$1";
|
|---|
| 316 | }
|
|---|
| 317 |
|
|---|
| 318 | # Parse the value off and add it as metadata
|
|---|
| 319 | $raw_metadata_value =~ s/^([^\^]*)//;
|
|---|
| 320 | my $sub_metadata_value = $1;
|
|---|
| 321 |
|
|---|
| 322 | # Deal with the case when multiple values are specified using <...>
|
|---|
| 323 | if ($sub_metadata_value =~ /\<(.+)\>/) {
|
|---|
| 324 | my $sub_sub_metadata_name = $sub_metadata_name . "^sub";
|
|---|
| 325 | my $tmp_sub_metadata_value = $sub_metadata_value;
|
|---|
| 326 | while ($tmp_sub_metadata_value =~ s/\<(.+?)\>//) {
|
|---|
| 327 | my $sub_sub_metadata_value = $1;
|
|---|
| 328 | $doc_obj->add_utf8_metadata($section, $sub_sub_metadata_name, $sub_sub_metadata_value);
|
|---|
| 329 | }
|
|---|
| 330 | }
|
|---|
| 331 | # Deal with the legacy case when multiple values are specified using /.../
|
|---|
| 332 | elsif ($sub_metadata_value =~ /\/(.+)\//) {
|
|---|
| 333 | my $sub_sub_metadata_name = $sub_metadata_name . "^sub";
|
|---|
| 334 | my $tmp_sub_metadata_value = $sub_metadata_value;
|
|---|
| 335 | while ($tmp_sub_metadata_value =~ s/\/(.+?)\///) {
|
|---|
| 336 | my $sub_sub_metadata_value = $1;
|
|---|
| 337 | $doc_obj->add_utf8_metadata($section, $sub_sub_metadata_name, $sub_sub_metadata_value);
|
|---|
| 338 | }
|
|---|
| 339 | }
|
|---|
| 340 |
|
|---|
| 341 | # Escape the metadata value so it appears correctly in the final collection
|
|---|
| 342 | $sub_metadata_value = &escape_metadata_value($sub_metadata_value);
|
|---|
| 343 |
|
|---|
| 344 | # print STDERR "Sub metadata name: $sub_metadata_name, value: $sub_metadata_value\n";
|
|---|
| 345 | if ($sub_metadata_name ne $metadata_name) {
|
|---|
| 346 | $doc_obj->add_utf8_metadata($section, $sub_metadata_name, $sub_metadata_value);
|
|---|
| 347 | }
|
|---|
| 348 |
|
|---|
| 349 | # If this tag has subfields and this is the first, use the value for the CDS/ISIS ^* field
|
|---|
| 350 | if ($fdt_mapping->{$tag}{'subfields'} ne "" && $metadata_value eq "") {
|
|---|
| 351 | $doc_obj->add_utf8_metadata($section, $metadata_name . "^*", $sub_metadata_value);
|
|---|
| 352 | }
|
|---|
| 353 |
|
|---|
| 354 | $metadata_value .= $subfield_separator unless ($metadata_value eq "");
|
|---|
| 355 | $metadata_value .= $sub_metadata_value;
|
|---|
| 356 | }
|
|---|
| 357 |
|
|---|
| 358 | # Add the metadata value
|
|---|
| 359 | # print STDERR "Metadata name: $metadata_name, value: $metadata_value\n";
|
|---|
| 360 | $doc_obj->add_utf8_metadata($section, $metadata_name, $metadata_value);
|
|---|
| 361 |
|
|---|
| 362 | $all_metadata_value .= $entry_separator unless ($all_metadata_value eq "");
|
|---|
| 363 | $all_metadata_value .= $metadata_value;
|
|---|
| 364 | }
|
|---|
| 365 |
|
|---|
| 366 | # Add the "^all" metadata value
|
|---|
| 367 | # print STDERR "All metadata name: $all_metadata_name, value: $all_metadata_value\n";
|
|---|
| 368 | $doc_obj->add_utf8_metadata($section, $all_metadata_name, $all_metadata_value);
|
|---|
| 369 |
|
|---|
| 370 | $isis_record_html_metadata_value .= "<tr><td valign=top><nobr><b>" . $fdt_mapping->{$tag}{'name'} . "</b></nobr></td><td valign=top>" . $all_metadata_value . "</td></tr>";
|
|---|
| 371 | }
|
|---|
| 372 |
|
|---|
| 373 | # Add a reasonably formatted HTML table view of the record as the document text
|
|---|
| 374 | $isis_record_html_metadata_value .= "</table>";
|
|---|
| 375 | $doc_obj->add_utf8_text($section, $isis_record_html_metadata_value);
|
|---|
| 376 |
|
|---|
| 377 | # Add the full raw record as metadata
|
|---|
| 378 | my $isis_raw_record_metadata_value = &escape_metadata_value($$textref);
|
|---|
| 379 | $doc_obj->add_utf8_metadata($section, "ISISRawRecord", $isis_raw_record_metadata_value);
|
|---|
| 380 |
|
|---|
| 381 | # Add FileFormat metadata
|
|---|
| 382 | $doc_obj->add_utf8_metadata($section, "FileFormat", "CDS/ISIS");
|
|---|
| 383 |
|
|---|
| 384 | # Record was processed successfully
|
|---|
| 385 | return 1;
|
|---|
| 386 | }
|
|---|
| 387 |
|
|---|
| 388 |
|
|---|
| 389 | sub parse_field_definition_table
|
|---|
| 390 | {
|
|---|
| 391 | my $fdtfilename = shift(@_);
|
|---|
| 392 | my $encoding = shift(@_);
|
|---|
| 393 |
|
|---|
| 394 | my %fdtmapping = ();
|
|---|
| 395 |
|
|---|
| 396 | open(FDT_FILE, "<$fdtfilename") || die "Error: Could not open file $fdtfilename.\n";
|
|---|
| 397 |
|
|---|
| 398 | my $fdtfiletext = "";
|
|---|
| 399 | my $reader = new multiread();
|
|---|
| 400 | $reader->set_handle('ISISPlugin::FDT_FILE');
|
|---|
| 401 | $reader->set_encoding($encoding);
|
|---|
| 402 | $reader->read_file($fdtfiletext);
|
|---|
| 403 |
|
|---|
| 404 | my $amongstdefinitions = 0;
|
|---|
| 405 | foreach my $fdtfileline (split(/\n/, $$fdtfiletext)) {
|
|---|
| 406 | $fdtfileline =~ s/(\s*)$//; # Remove any nasty spaces at the end of the lines
|
|---|
| 407 |
|
|---|
| 408 | if ($amongstdefinitions) {
|
|---|
| 409 | my $fieldname = &unicode::substr($fdtfileline, 0, 30);
|
|---|
| 410 | my $fieldsubfields = &unicode::substr($fdtfileline, 30, 20);
|
|---|
| 411 | my $fieldspecs = &unicode::substr($fdtfileline, 50, 50);
|
|---|
| 412 |
|
|---|
| 413 | # Remove extra spaces
|
|---|
| 414 | $fieldname =~ s/(\s*)$//;
|
|---|
| 415 | $fieldsubfields =~ s/(\s*)$//;
|
|---|
| 416 | $fieldspecs =~ s/(\s*)$//;
|
|---|
| 417 |
|
|---|
| 418 | # Map from tag number to metadata field title, subfields, and repeatability
|
|---|
| 419 | my $fieldtag = (split(/ /, $fieldspecs))[0];
|
|---|
| 420 | my $fieldrepeatable = (split(/ /, $fieldspecs))[3];
|
|---|
| 421 | $fdtmapping{$fieldtag} = { 'name' => $fieldname,
|
|---|
| 422 | 'subfields' => $fieldsubfields,
|
|---|
| 423 | 'repeatable' => $fieldrepeatable };
|
|---|
| 424 | }
|
|---|
| 425 | elsif ($fdtfileline eq "***") {
|
|---|
| 426 | $amongstdefinitions = 1;
|
|---|
| 427 | }
|
|---|
| 428 | }
|
|---|
| 429 |
|
|---|
| 430 | close(FDT_FILE);
|
|---|
| 431 |
|
|---|
| 432 | return %fdtmapping;
|
|---|
| 433 | }
|
|---|
| 434 |
|
|---|
| 435 |
|
|---|
| 436 | sub escape_metadata_value
|
|---|
| 437 | {
|
|---|
| 438 | my $value = shift(@_);
|
|---|
| 439 | $value =~ s/\</</g;
|
|---|
| 440 | $value =~ s/\>/>/g;
|
|---|
| 441 | $value =~ s/\\/\\\\/g;
|
|---|
| 442 | return $value;
|
|---|
| 443 | }
|
|---|
| 444 |
|
|---|
| 445 |
|
|---|
| 446 | sub clean_up_after_exploding
|
|---|
| 447 | {
|
|---|
| 448 | my $self = shift(@_);
|
|---|
| 449 |
|
|---|
| 450 | # Delete the FDT and XRF files too
|
|---|
| 451 | &FileUtils::removeFiles($self->{'fdt_file_path'});
|
|---|
| 452 | &FileUtils::removeFiles($self->{'xrf_file_path'});
|
|---|
| 453 | }
|
|---|
| 454 |
|
|---|
| 455 |
|
|---|
| 456 | 1;
|
|---|
