| 1 | ###########################################################################
|
|---|
| 2 | #
|
|---|
| 3 | # EmbeddedMetadataPlugin.pm -- A plugin for EXIF
|
|---|
| 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 2007 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 |
|
|---|
| 28 | package EmbeddedMetadataPlugin;
|
|---|
| 29 |
|
|---|
| 30 | use BasePlugin;
|
|---|
| 31 | use extrametautil;
|
|---|
| 32 | use util;
|
|---|
| 33 |
|
|---|
| 34 | use Encode;
|
|---|
| 35 | use Image::ExifTool qw(:Public);
|
|---|
| 36 | use strict;
|
|---|
| 37 |
|
|---|
| 38 | no strict 'refs'; # allow filehandles to be variables and viceversa
|
|---|
| 39 |
|
|---|
| 40 |
|
|---|
| 41 | sub BEGIN
|
|---|
| 42 | {
|
|---|
| 43 | @EmbeddedMetadataPlugin::ISA = ('BasePlugin');
|
|---|
| 44 | binmode(STDERR, ":utf8");
|
|---|
| 45 | }
|
|---|
| 46 |
|
|---|
| 47 | my $encoding_plus_auto_list = [{
|
|---|
| 48 | 'name' => "auto",
|
|---|
| 49 | 'desc' => "{ReadTextFile.input_encoding.auto}" }];
|
|---|
| 50 | push(@{$encoding_plus_auto_list},@{$BasePlugin::encoding_list});
|
|---|
| 51 |
|
|---|
| 52 | my $arguments = [{
|
|---|
| 53 | 'name' => "metadata_field_separator",
|
|---|
| 54 | 'desc' => "{HTMLPlugin.metadata_field_separator}",
|
|---|
| 55 | 'type' => "string",
|
|---|
| 56 | 'deft' => ""
|
|---|
| 57 | },{
|
|---|
| 58 | 'name' => "input_encoding",
|
|---|
| 59 | 'desc' => "{ReadTextFile.input_encoding}",
|
|---|
| 60 | 'type' => "enum",
|
|---|
| 61 | 'list' => $encoding_plus_auto_list,
|
|---|
| 62 | 'reqd' => "no",
|
|---|
| 63 | 'deft' => "auto"
|
|---|
| 64 | },{
|
|---|
| 65 | 'name' => "join_before_split",
|
|---|
| 66 | 'desc' => "{EmbeddedMetadataPlugin.join_before_split}",
|
|---|
| 67 | 'type' => "flag"
|
|---|
| 68 | },{
|
|---|
| 69 | 'name' => "join_character",
|
|---|
| 70 | 'desc' => "{EmbeddedMetadataPlugin.join_character}",
|
|---|
| 71 | 'type' => "string",
|
|---|
| 72 | 'deft' => " "
|
|---|
| 73 | },{
|
|---|
| 74 | 'name' => "trim_whitespace",
|
|---|
| 75 | 'desc' => "{EmbeddedMetadataPlugin.trim_whitespace}",
|
|---|
| 76 | 'type' => "enum",
|
|---|
| 77 | 'list' => [{'name' => "true", 'desc' => "{common.true}"}, {'name' => "false", 'desc' => "{common.false}"}],
|
|---|
| 78 | 'deft' => "true"
|
|---|
| 79 | },{
|
|---|
| 80 | 'name' => "set_filter_list",
|
|---|
| 81 | 'desc' => "{EmbeddedMetadataPlugin.set_filter_list}",
|
|---|
| 82 | 'type' => "string"
|
|---|
| 83 | },{
|
|---|
| 84 | 'name' => "set_filter_regexp",
|
|---|
| 85 | 'desc' => "{EmbeddedMetadataPlugin.set_filter_regexp}",
|
|---|
| 86 | 'type' => "string",
|
|---|
| 87 | 'deft' => ".*" #If changing this default, also need to update the constructor
|
|---|
| 88 | }];
|
|---|
| 89 |
|
|---|
| 90 | my $options = {
|
|---|
| 91 | 'name' => "EmbeddedMetadataPlugin",
|
|---|
| 92 | 'desc' => "{EmbeddedMetadataPlugin.desc}",
|
|---|
| 93 | 'abstract' => "no",
|
|---|
| 94 | 'inherits' => "yes",
|
|---|
| 95 | 'args' => $arguments };
|
|---|
| 96 |
|
|---|
| 97 | sub new()
|
|---|
| 98 | {
|
|---|
| 99 | my ($class) = shift (@_);
|
|---|
| 100 | my ($pluginlist,$inputargs,$hashArgOptLists) = @_;
|
|---|
| 101 | push(@$pluginlist, $class);
|
|---|
| 102 |
|
|---|
| 103 | if(defined $arguments){ push(@{$hashArgOptLists->{"ArgList"}},@{$arguments});}
|
|---|
| 104 | if(defined $options) { push(@{$hashArgOptLists->{"OptList"}},$options)};
|
|---|
| 105 |
|
|---|
| 106 | my $self = new BasePlugin($pluginlist, $inputargs, $hashArgOptLists);
|
|---|
| 107 |
|
|---|
| 108 | # Create a new Image::ExifTool object
|
|---|
| 109 | my $exifTool = new Image::ExifTool;
|
|---|
| 110 | $exifTool->Options(Duplicates => 0);
|
|---|
| 111 | $exifTool->Options(PrintConv => 0);
|
|---|
| 112 | $exifTool->Options(Unknown => 1);
|
|---|
| 113 | $exifTool->Options('Verbose');
|
|---|
| 114 | $self->{'exiftool'} = $exifTool;
|
|---|
| 115 |
|
|---|
| 116 | my $setFilterList = $self->{'set_filter_list'};
|
|---|
| 117 | my $setFilterRegexp = $self->{'set_filter_regexp'};
|
|---|
| 118 | if ((defined $setFilterList) && ($setFilterList ne ""))
|
|---|
| 119 | {
|
|---|
| 120 | if ((defined $setFilterRegexp) && ($setFilterRegexp ne ".*") && ($setFilterRegexp ne ""))
|
|---|
| 121 | {
|
|---|
| 122 | my $outhandle = $self->{'outhandle'};
|
|---|
| 123 | print $outhandle "Warning: can only specify 'set_filter_list' or 'set_filter_regexp'\n";
|
|---|
| 124 | print $outhandle " defaulting to 'set_filter_list'\n";
|
|---|
| 125 | }
|
|---|
| 126 |
|
|---|
| 127 | my @sets = split(/,/,$setFilterList);
|
|---|
| 128 | my @sets_bracketed;
|
|---|
| 129 | foreach my $s (@sets)
|
|---|
| 130 | {
|
|---|
| 131 | $s =~ s/^(ex\.)?(.*)$/(ex.$2)/;
|
|---|
| 132 | push (@sets_bracketed, $s);
|
|---|
| 133 | }
|
|---|
| 134 |
|
|---|
| 135 | my $setFilterRegexp = join("|",@sets_bracketed);
|
|---|
| 136 | $self->{'set_filter_regexp'} = $setFilterRegexp;
|
|---|
| 137 | }
|
|---|
| 138 |
|
|---|
| 139 | return bless $self, $class;
|
|---|
| 140 | }
|
|---|
| 141 |
|
|---|
| 142 | sub begin {
|
|---|
| 143 | my $self = shift (@_);
|
|---|
| 144 | my ($pluginfo, $base_dir, $processor, $maxdocs) = @_;
|
|---|
| 145 |
|
|---|
| 146 |
|
|---|
| 147 | # For most plugins, the metadata_read() phase either does not
|
|---|
| 148 | # exist, or is very fast at processing the files, and so is
|
|---|
| 149 | # not an undue burden on collection building.
|
|---|
| 150 |
|
|---|
| 151 | # EmbeddedMetadataPlugin bucks this trend, as the ExifTool module
|
|---|
| 152 | # it relies on needs to make a fairly detailed scan of the files
|
|---|
| 153 | # that match the plugin's process expression. This has the
|
|---|
| 154 | # unfortunate side effect of hampering quick collection building
|
|---|
| 155 | # with '-maxdocs'. It is therefore worth a bit of non-standard
|
|---|
| 156 | # "meddling" (as Anu would say) to help the special case of
|
|---|
| 157 | # 'maxdocs' run more quickly.
|
|---|
| 158 | #
|
|---|
| 159 | # The approach is to notice how many files EmbeddedMetadtaPlugin
|
|---|
| 160 | # has scanned, and once this reaches 'maxdocs' to then force the
|
|---|
| 161 | # can_process_this_file_for_metadata() method to always return the
|
|---|
| 162 | # answer 'not recognized' to prevent any further scanning.
|
|---|
| 163 | # Bacause 'maxdocs' is not one of the standard parameters passed
|
|---|
| 164 | # in to metadata_read() we need to store the value in the object
|
|---|
| 165 | # using this method so it can be used at the relevant place in the
|
|---|
| 166 | # code later on
|
|---|
| 167 |
|
|---|
| 168 | $self->{'maxdocs'} = $maxdocs;
|
|---|
| 169 | $self->{'exif_scanned_count'} = 0;
|
|---|
| 170 |
|
|---|
| 171 | }
|
|---|
| 172 |
|
|---|
| 173 |
|
|---|
| 174 | # Need to think some more about this
|
|---|
| 175 | sub get_default_process_exp()
|
|---|
| 176 | {
|
|---|
| 177 | ## return ".*";
|
|---|
| 178 | q^(?i)\.(jpe?g|gif|png|tiff|pdf)$^;
|
|---|
| 179 | }
|
|---|
| 180 |
|
|---|
| 181 | # plugins that rely on more than process_exp (eg XML plugins) can override this method
|
|---|
| 182 | sub can_process_this_file {
|
|---|
| 183 | my $self = shift(@_);
|
|---|
| 184 |
|
|---|
| 185 | # we process metadata, not the file
|
|---|
| 186 | return 0;
|
|---|
| 187 | }
|
|---|
| 188 |
|
|---|
| 189 | # Even if a plugin can extract metadata in its metadata_read pass,
|
|---|
| 190 | # make the default return 'undef' so processing of the file continues
|
|---|
| 191 | # down the pipeline, so other plugins can also have the opportunity to
|
|---|
| 192 | # locate metadata and set it up in the extrametakeys variables that
|
|---|
| 193 | # are passed around.
|
|---|
| 194 |
|
|---|
| 195 | sub can_process_this_file_for_metadata {
|
|---|
| 196 | my $self = shift(@_);
|
|---|
| 197 | my ($filename) = (@_);
|
|---|
| 198 |
|
|---|
| 199 | # Want this plugin to look for metadata in the named file using
|
|---|
| 200 | # ExifTool through its metadata_read() function, as long as it
|
|---|
| 201 | # matches the process expression. But first there are a few
|
|---|
| 202 | # special cases to test for ...
|
|---|
| 203 | #
|
|---|
| 204 |
|
|---|
| 205 | if (-d $filename && !$self->{'can_process_directories'}) {
|
|---|
| 206 | return 0;
|
|---|
| 207 | }
|
|---|
| 208 |
|
|---|
| 209 | if ($self->{'maxdocs'} != -1) {
|
|---|
| 210 | $self->{'exif_scanned_count'}++;
|
|---|
| 211 | if ($self->{'exif_scanned_count'} > $self->{'maxdocs'}) {
|
|---|
| 212 | # Above the limit of files to scan
|
|---|
| 213 | return 0;
|
|---|
| 214 | }
|
|---|
| 215 | }
|
|---|
| 216 |
|
|---|
| 217 |
|
|---|
| 218 | if ($self->{'process_exp'} ne "" && $filename =~ /$self->{'process_exp'}/) {
|
|---|
| 219 | # Even though we say yes to this here, because we are using a custom
|
|---|
| 220 | # metadata_read() method in this plugin, we can also ensure the
|
|---|
| 221 | # file is considered by other plugins in the pipeline
|
|---|
| 222 |
|
|---|
| 223 | return 1;
|
|---|
| 224 | }
|
|---|
| 225 |
|
|---|
| 226 | # If we get to here then the answer is no for processing by this plugin
|
|---|
| 227 | # Note :because this plugin has its own custom metadata_read(), even
|
|---|
| 228 | # though we return a 'no' here, this doesn't stop the file being
|
|---|
| 229 | # considered by other plugins in the pipleline for metadata_read().
|
|---|
| 230 | # This is needed to ensure a file like metadata.xml (which would
|
|---|
| 231 | # normally not be of interest to this plugin) is passed on to
|
|---|
| 232 | # the plugin that does need to read it (MetadataPlugin in this case).
|
|---|
| 233 |
|
|---|
| 234 | return 0;
|
|---|
| 235 | }
|
|---|
| 236 |
|
|---|
| 237 | sub checkAgainstFilters
|
|---|
| 238 | {
|
|---|
| 239 | my $self = shift(@_);
|
|---|
| 240 | my $name = shift(@_);
|
|---|
| 241 |
|
|---|
| 242 | my $setFilterRegexp = $self->{'set_filter_regexp'};
|
|---|
| 243 | if((defined $setFilterRegexp) && ($setFilterRegexp ne ""))
|
|---|
| 244 | {
|
|---|
| 245 | return ($name =~ m/($setFilterRegexp)/i);
|
|---|
| 246 | }
|
|---|
| 247 | else
|
|---|
| 248 | {
|
|---|
| 249 | return 1;
|
|---|
| 250 | }
|
|---|
| 251 | }
|
|---|
| 252 |
|
|---|
| 253 | sub filtered_add_metadata
|
|---|
| 254 | {
|
|---|
| 255 | my $self = shift(@_);
|
|---|
| 256 | my ($field,$val,$exif_metadata_ref) = @_;
|
|---|
| 257 |
|
|---|
| 258 | my $count = 0;
|
|---|
| 259 |
|
|---|
| 260 | if ($self->checkAgainstFilters($field)) {
|
|---|
| 261 | push (@{$exif_metadata_ref->{$field}}, $self->gsSafe($val));
|
|---|
| 262 | $count++;
|
|---|
| 263 |
|
|---|
| 264 |
|
|---|
| 265 | if ($field =~ m/GPSPosition/) {
|
|---|
| 266 | my ($lat,$long) = split(/\s+/,$val);
|
|---|
| 267 |
|
|---|
| 268 | push (@{$exif_metadata_ref->{"Longitude"}}, $self->gsSafe($long));
|
|---|
| 269 | push (@{$exif_metadata_ref->{"Latitude"}}, $self->gsSafe($lat));
|
|---|
| 270 | # 'count' keeps track of the number of items extracted from the file
|
|---|
| 271 | # so for these 'on the side' values set, don't include them in
|
|---|
| 272 | # the count
|
|---|
| 273 |
|
|---|
| 274 | }
|
|---|
| 275 |
|
|---|
| 276 |
|
|---|
| 277 | if ($field =~ m/GPSDateTime/) {
|
|---|
| 278 | my ($date,$time) = split(/\s+/,$val);
|
|---|
| 279 |
|
|---|
| 280 | my ($yyyy,$mm,$dd) = ($date =~ m/^(\d{4}):(\d{2}):(\d{2})$/);
|
|---|
| 281 |
|
|---|
| 282 | push (@{$exif_metadata_ref->{"Date"}}, $self->gsSafe("$yyyy$mm$dd"));
|
|---|
| 283 | # as for Long/Lat don't need to increase 'count'
|
|---|
| 284 |
|
|---|
| 285 | }
|
|---|
| 286 |
|
|---|
| 287 |
|
|---|
| 288 | }
|
|---|
| 289 |
|
|---|
| 290 | return $count;
|
|---|
| 291 | }
|
|---|
| 292 |
|
|---|
| 293 |
|
|---|
| 294 | sub extractEmbeddedMetadata()
|
|---|
| 295 | {
|
|---|
| 296 | my $self = shift(@_);
|
|---|
| 297 | my ($file, $filename, $extrametadata, $extrametakeys) = @_;
|
|---|
| 298 |
|
|---|
| 299 | my %exif_metadata = ();
|
|---|
| 300 |
|
|---|
| 301 | my $verbosity = $self->{'verbosity'};
|
|---|
| 302 | my $outhandle = $self->{'outhandle'};
|
|---|
| 303 |
|
|---|
| 304 | my $metadata_count = 0;
|
|---|
| 305 |
|
|---|
| 306 | my $separator = $self->{'metadata_field_separator'};
|
|---|
| 307 | if ($separator eq "") {
|
|---|
| 308 | undef $separator;
|
|---|
| 309 | }
|
|---|
| 310 |
|
|---|
| 311 | my @group_list = Image::ExifTool::GetAllGroups(0);
|
|---|
| 312 | foreach my $group (@group_list) {
|
|---|
| 313 | ## print STDERR "**** group = $group\n";
|
|---|
| 314 |
|
|---|
| 315 | # Extract meta information from an image
|
|---|
| 316 | $self->{'exiftool'}->Options(Group0 => [$group]);
|
|---|
| 317 | $self->{'exiftool'}->ExtractInfo($filename);
|
|---|
| 318 |
|
|---|
| 319 | # Get list of tags in the order they were found in the file
|
|---|
| 320 | my @tag_list = $self->{'exiftool'}->GetFoundTags('File');
|
|---|
| 321 | foreach my $tag (@tag_list) {
|
|---|
| 322 |
|
|---|
| 323 | # Strip any numbering suffix
|
|---|
| 324 | $tag =~ s/^([^\s]+)\s.*$/$1/i;
|
|---|
| 325 | my $value = $self->{'exiftool'}->GetValue($tag);
|
|---|
| 326 | if (defined $value && $value =~ /[a-z0-9]+/i) {
|
|---|
| 327 | my $field = "ex.$group.$tag";
|
|---|
| 328 |
|
|---|
| 329 | my $encoding = $self->{'input_encoding'};
|
|---|
| 330 | if($encoding eq "auto")
|
|---|
| 331 | {
|
|---|
| 332 | $encoding = "utf8"
|
|---|
| 333 | }
|
|---|
| 334 |
|
|---|
| 335 | if (!defined $exif_metadata{$field})
|
|---|
| 336 | {
|
|---|
| 337 | $exif_metadata{$field} = [];
|
|---|
| 338 | }
|
|---|
| 339 |
|
|---|
| 340 | $field = Encode::decode($encoding,$field);
|
|---|
| 341 | my $metadata_done = 0;
|
|---|
| 342 | if (ref $value eq 'SCALAR') {
|
|---|
| 343 | if ($$value =~ /^Binary data/) {
|
|---|
| 344 | $value = "($$value)";
|
|---|
| 345 | }
|
|---|
| 346 | else {
|
|---|
| 347 | my $len = length($$value);
|
|---|
| 348 | $value = "(Binary data $len bytes)";
|
|---|
| 349 | }
|
|---|
| 350 | }
|
|---|
| 351 | elsif (ref $value eq 'ARRAY') {
|
|---|
| 352 | $metadata_done = 1;
|
|---|
| 353 |
|
|---|
| 354 | my $allvals = "";
|
|---|
| 355 | foreach my $v (@$value) {
|
|---|
| 356 | $v = Encode::decode($encoding,$v);
|
|---|
| 357 |
|
|---|
| 358 | if(!$self->{'join_before_split'}){
|
|---|
| 359 | if (defined $separator) {
|
|---|
| 360 | my @vs = split($separator, $v);
|
|---|
| 361 | foreach my $val (@vs) {
|
|---|
| 362 | if ($val =~ /\S/) {
|
|---|
| 363 | $metadata_count += $self->filtered_add_metadata($field,$val,\%exif_metadata);
|
|---|
| 364 | }
|
|---|
| 365 | }
|
|---|
| 366 | }
|
|---|
| 367 | else
|
|---|
| 368 | {
|
|---|
| 369 | $metadata_count += $self->filtered_add_metadata($field,$v,\%exif_metadata);
|
|---|
| 370 | }
|
|---|
| 371 | }
|
|---|
| 372 | else{
|
|---|
| 373 | if($allvals ne ""){
|
|---|
| 374 | $allvals = $allvals . $self->{'join_character'};
|
|---|
| 375 | }
|
|---|
| 376 | $allvals = $allvals . $v;
|
|---|
| 377 | }
|
|---|
| 378 | }
|
|---|
| 379 |
|
|---|
| 380 | if($self->{'join_before_split'}){
|
|---|
| 381 | if (defined $separator) {
|
|---|
| 382 | my @vs = split($separator, $allvals);
|
|---|
| 383 | foreach my $val (@vs) {
|
|---|
| 384 | if ($val =~ /\S/) {
|
|---|
| 385 | $metadata_count += $self->filtered_add_metadata($field,$val,\%exif_metadata);
|
|---|
| 386 | }
|
|---|
| 387 | }
|
|---|
| 388 | }
|
|---|
| 389 | else
|
|---|
| 390 | {
|
|---|
| 391 | $metadata_count += $self->filtered_add_metadata($field,$allvals,\%exif_metadata);
|
|---|
| 392 | }
|
|---|
| 393 | }
|
|---|
| 394 | }
|
|---|
| 395 | else {
|
|---|
| 396 | $value = Encode::decode($encoding,$value);
|
|---|
| 397 | if (defined $separator) {
|
|---|
| 398 | my @vs = split($separator, $value);
|
|---|
| 399 | $metadata_done = 1;
|
|---|
| 400 | foreach my $v (@vs) {
|
|---|
| 401 | if ($v =~ /\S/) {
|
|---|
| 402 | $metadata_count += $self->filtered_add_metadata($field,$v,\%exif_metadata);
|
|---|
| 403 | }
|
|---|
| 404 | }
|
|---|
| 405 | }
|
|---|
| 406 | }
|
|---|
| 407 | if (!$metadata_done) {
|
|---|
| 408 | $metadata_count += $self->filtered_add_metadata($field,$value,\%exif_metadata);
|
|---|
| 409 | }
|
|---|
| 410 | }
|
|---|
| 411 | }
|
|---|
| 412 | }
|
|---|
| 413 |
|
|---|
| 414 | if ($metadata_count > 0) {
|
|---|
| 415 | print $outhandle " Extracted $metadata_count pieces of metadata from $filename EXIF block\n";
|
|---|
| 416 | }
|
|---|
| 417 |
|
|---|
| 418 | # Indexing into the extrameta data structures requires the filename's style of slashes to be in URL format
|
|---|
| 419 | # Then need to convert the filename to a regex, no longer to protect windows directory chars \, but for
|
|---|
| 420 | # protecting special characters like brackets in the filepath such as "C:\Program Files (x86)\Greenstone".
|
|---|
| 421 | print STDERR "file = $file " . &unicode::debug_unicode_string($file);
|
|---|
| 422 | $file = &util::raw_filename_to_unicode(&util::filename_head($filename), $file);
|
|---|
| 423 | print STDERR "$file ". &unicode::debug_unicode_string($file);
|
|---|
| 424 | $file = &util::filepath_to_url_format($file);
|
|---|
| 425 | print STDERR "$file " . &unicode::debug_unicode_string($file);
|
|---|
| 426 | $file = &util::filename_to_regex($file);
|
|---|
| 427 | print STDERR "$file ".&unicode::debug_unicode_string($file) ."\n";
|
|---|
| 428 |
|
|---|
| 429 | # Associate the metadata now
|
|---|
| 430 |
|
|---|
| 431 | if (defined &extrametautil::getmetadata($extrametadata, $file)) {
|
|---|
| 432 | print STDERR "\n**** EmbeddedMetadataPlugin: Need to merge new metadata with existing stored metadata: file = $file\n" if $verbosity > 3;
|
|---|
| 433 |
|
|---|
| 434 | my $file_metadata_table = &extrametautil::getmetadata($extrametadata, $file);
|
|---|
| 435 |
|
|---|
| 436 | foreach my $metaname (keys %exif_metadata) {
|
|---|
| 437 | # will create new entry if one does not already exist
|
|---|
| 438 | push(@{$file_metadata_table->{$metaname}}, @{$exif_metadata{$metaname}});
|
|---|
| 439 | }
|
|---|
| 440 |
|
|---|
| 441 | # no need to push $file on to $extrametakeys as it is already in the list
|
|---|
| 442 | }
|
|---|
| 443 | else {
|
|---|
| 444 | &extrametautil::setmetadata($extrametadata, $file, \%exif_metadata);
|
|---|
| 445 | &extrametautil::addmetakey($extrametakeys, $file);
|
|---|
| 446 | }
|
|---|
| 447 |
|
|---|
| 448 | }
|
|---|
| 449 |
|
|---|
| 450 |
|
|---|
| 451 | sub metadata_read
|
|---|
| 452 | {
|
|---|
| 453 | my $self = shift (@_);
|
|---|
| 454 | my ($pluginfo, $base_dir, $file, $block_hash,
|
|---|
| 455 | $extrametakeys, $extrametadata, $extrametafile,
|
|---|
| 456 | $processor, $gli, $aux) = @_;
|
|---|
| 457 |
|
|---|
| 458 | my ($filename_full_path, $filename_no_path) = &util::get_full_filenames($base_dir, $file);
|
|---|
| 459 |
|
|---|
| 460 | # Now handled in the can_process_this_file_for_metadata method
|
|---|
| 461 | #
|
|---|
| 462 | # # we don't want to process directories
|
|---|
| 463 | # if (!-f $filename_full_path) {
|
|---|
| 464 | # return undef;
|
|---|
| 465 | # }
|
|---|
| 466 |
|
|---|
| 467 | if (!$self->can_process_this_file_for_metadata($filename_full_path)) {
|
|---|
| 468 |
|
|---|
| 469 | # Avoid scanning it with ExifTool ...
|
|---|
| 470 | # ... but let any other plugin in metadata_read() passes pipeline
|
|---|
| 471 | # consider it
|
|---|
| 472 |
|
|---|
| 473 | return undef;
|
|---|
| 474 | }
|
|---|
| 475 |
|
|---|
| 476 |
|
|---|
| 477 | print STDERR "\n<Processing n='$file' p='EmbeddedMetadataPlugin'>\n" if ($gli);
|
|---|
| 478 | print STDERR "EmbeddedMetadataPlugin: processing $file\n" if ($self->{'verbosity'}) > 1;
|
|---|
| 479 |
|
|---|
| 480 | $self->extractEmbeddedMetadata($filename_no_path,$filename_full_path,
|
|---|
| 481 | $extrametadata,$extrametakeys);
|
|---|
| 482 |
|
|---|
| 483 | # also want it considered by other plugins in the metadata_read() pipeline
|
|---|
| 484 | return undef;
|
|---|
| 485 | }
|
|---|
| 486 |
|
|---|
| 487 | sub read
|
|---|
| 488 | {
|
|---|
| 489 | return undef;
|
|---|
| 490 | }
|
|---|
| 491 |
|
|---|
| 492 | sub process
|
|---|
| 493 | {
|
|---|
| 494 | # not used
|
|---|
| 495 | return undef;
|
|---|
| 496 | }
|
|---|
| 497 |
|
|---|
| 498 | sub gsSafe() {
|
|---|
| 499 | my $self = shift(@_);
|
|---|
| 500 | my ($text) = @_;
|
|---|
| 501 |
|
|---|
| 502 | # Replace potentially problematic characters
|
|---|
| 503 | $text =~ s/\(/(/g;
|
|---|
| 504 | $text =~ s/\)/)/g;
|
|---|
| 505 | $text =~ s/,/,/g;
|
|---|
| 506 | $text =~ s/\</</g;
|
|---|
| 507 | $text =~ s/\>/>/g;
|
|---|
| 508 | $text =~ s/\[/[/g;
|
|---|
| 509 | $text =~ s/\]/]/g;
|
|---|
| 510 | $text =~ s/\{/{/g;
|
|---|
| 511 | $text =~ s/\}/}/g;
|
|---|
| 512 | # Done
|
|---|
| 513 |
|
|---|
| 514 | if ($self->{'trim_whitespace'} eq "true"){
|
|---|
| 515 | $text =~ s/^\s+//;
|
|---|
| 516 | $text =~ s/\s+$//;
|
|---|
| 517 | }
|
|---|
| 518 |
|
|---|
| 519 | return $text;
|
|---|
| 520 | }
|
|---|
| 521 |
|
|---|
| 522 | 1;
|
|---|
