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| 1 | <?php |
| 2 | /** |
| 3 | * Class for some IPTC functions. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along |
| 16 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 18 | * http://www.gnu.org/copyleft/gpl.html |
| 19 | * |
| 20 | * @file |
| 21 | * @ingroup Media |
| 22 | */ |
| 23 | |
| 24 | use Wikimedia\AtEase\AtEase; |
| 25 | |
| 26 | /** |
| 27 | * Class for some IPTC functions. |
| 28 | * |
| 29 | * @ingroup Media |
| 30 | */ |
| 31 | class IPTC { |
| 32 | /** |
| 33 | * This takes the results of iptcparse() and puts it into a |
| 34 | * form that can be handled by mediawiki. Generally called from |
| 35 | * BitmapMetadataHandler::doApp13. |
| 36 | * |
| 37 | * @see http://www.iptc.org/std/IIM/4.1/specification/IIMV4.1.pdf |
| 38 | * |
| 39 | * @param string $rawData The app13 block from jpeg containing iptc/iim data |
| 40 | * @return array IPTC metadata array |
| 41 | */ |
| 42 | public static function parse( $rawData ) { |
| 43 | $parsed = iptcparse( $rawData ); |
| 44 | $data = []; |
| 45 | if ( !is_array( $parsed ) ) { |
| 46 | return $data; |
| 47 | } |
| 48 | |
| 49 | $c = ''; |
| 50 | // charset info contained in tag 1:90. |
| 51 | if ( isset( $parsed['1#090'] ) && isset( $parsed['1#090'][0] ) ) { |
| 52 | $c = self::getCharset( $parsed['1#090'][0] ); |
| 53 | if ( $c === false ) { |
| 54 | // Unknown charset. refuse to parse. |
| 55 | // note: There is a different between |
| 56 | // unknown and no charset specified. |
| 57 | return []; |
| 58 | } |
| 59 | unset( $parsed['1#090'] ); |
| 60 | } |
| 61 | |
| 62 | foreach ( $parsed as $tag => $val ) { |
| 63 | if ( isset( $val[0] ) && trim( $val[0] ) == '' ) { |
| 64 | wfDebugLog( 'iptc', "IPTC tag $tag had only whitespace as its value." ); |
| 65 | continue; |
| 66 | } |
| 67 | switch ( $tag ) { |
| 68 | case '2#120': /*IPTC caption. mapped with exif ImageDescription*/ |
| 69 | $data['ImageDescription'] = self::convIPTC( $val, $c ); |
| 70 | break; |
| 71 | case '2#116': /* copyright. Mapped with exif copyright */ |
| 72 | $data['Copyright'] = self::convIPTC( $val, $c ); |
| 73 | break; |
| 74 | case '2#080': /* byline. Mapped with exif Artist */ |
| 75 | /* merge with byline title (2:85) |
| 76 | * like how exif does it with |
| 77 | * Title, person. Not sure if this is best |
| 78 | * approach since we no longer have the two fields |
| 79 | * separate. each byline title entry corresponds to a |
| 80 | * specific byline. */ |
| 81 | |
| 82 | $bylines = self::convIPTC( $val, $c ); |
| 83 | if ( isset( $parsed['2#085'] ) ) { |
| 84 | $titles = self::convIPTC( $parsed['2#085'], $c ); |
| 85 | } else { |
| 86 | $titles = []; |
| 87 | } |
| 88 | |
| 89 | $titleCount = count( $titles ); |
| 90 | for ( $i = 0; $i < $titleCount; $i++ ) { |
| 91 | if ( isset( $bylines[$i] ) ) { |
| 92 | // theoretically this should always be set |
| 93 | // but doesn't hurt to be careful. |
| 94 | $bylines[$i] = $titles[$i] . ', ' . $bylines[$i]; |
| 95 | } |
| 96 | } |
| 97 | $data['Artist'] = $bylines; |
| 98 | break; |
| 99 | case '2#025': /* keywords */ |
| 100 | $data['Keywords'] = self::convIPTC( $val, $c ); |
| 101 | break; |
| 102 | case '2#101': /* Country (shown) */ |
| 103 | $data['CountryDest'] = self::convIPTC( $val, $c ); |
| 104 | break; |
| 105 | case '2#095': /* state/province (shown) */ |
| 106 | $data['ProvinceOrStateDest'] = self::convIPTC( $val, $c ); |
| 107 | break; |
| 108 | case '2#090': /* city (Shown) */ |
| 109 | $data['CityDest'] = self::convIPTC( $val, $c ); |
| 110 | break; |
| 111 | case '2#092': /* sublocation (shown) */ |
| 112 | $data['SublocationDest'] = self::convIPTC( $val, $c ); |
| 113 | break; |
| 114 | case '2#005': /* object name/title */ |
| 115 | $data['ObjectName'] = self::convIPTC( $val, $c ); |
| 116 | break; |
| 117 | case '2#040': /* special instructions */ |
| 118 | $data['SpecialInstructions'] = self::convIPTC( $val, $c ); |
| 119 | break; |
| 120 | case '2#105': /* headline */ |
| 121 | $data['Headline'] = self::convIPTC( $val, $c ); |
| 122 | break; |
| 123 | case '2#110': /* credit */ |
| 124 | /*"Identifies the provider of the objectdata, |
| 125 | * not necessarily the owner/creator". */ |
| 126 | $data['Credit'] = self::convIPTC( $val, $c ); |
| 127 | break; |
| 128 | case '2#115': /* source */ |
| 129 | /* "Identifies the original owner of the intellectual content of the |
| 130 | *objectdata. This could be an agency, a member of an agency or |
| 131 | *an individual." */ |
| 132 | $data['Source'] = self::convIPTC( $val, $c ); |
| 133 | break; |
| 134 | |
| 135 | case '2#007': /* edit status (lead, correction, etc) */ |
| 136 | $data['EditStatus'] = self::convIPTC( $val, $c ); |
| 137 | break; |
| 138 | case '2#015': /* category. deprecated. max 3 letters in theory, often more */ |
| 139 | $data['iimCategory'] = self::convIPTC( $val, $c ); |
| 140 | break; |
| 141 | case '2#020': /* category. deprecated. */ |
| 142 | $data['iimSupplementalCategory'] = self::convIPTC( $val, $c ); |
| 143 | break; |
| 144 | case '2#010': /*urgency (1-8. 1 most, 5 normal, 8 low priority)*/ |
| 145 | $data['Urgency'] = self::convIPTC( $val, $c ); |
| 146 | break; |
| 147 | case '2#022': |
| 148 | /* "Identifies objectdata that recurs often and predictably... |
| 149 | * Example: Euroweather" */ |
| 150 | $data['FixtureIdentifier'] = self::convIPTC( $val, $c ); |
| 151 | break; |
| 152 | case '2#026': |
| 153 | /* Content location code (iso 3166 + some custom things) |
| 154 | * ex: TUR (for turkey), XUN (for UN), XSP (outer space) |
| 155 | * See wikipedia article on iso 3166 and appendix D of iim std. */ |
| 156 | $data['LocationDestCode'] = self::convIPTC( $val, $c ); |
| 157 | break; |
| 158 | case '2#027': |
| 159 | /* Content location name. Full printable name |
| 160 | * of location of photo. */ |
| 161 | $data['LocationDest'] = self::convIPTC( $val, $c ); |
| 162 | break; |
| 163 | case '2#065': |
| 164 | /* Originating Program. |
| 165 | * Combine with Program version (2:70) if present. |
| 166 | */ |
| 167 | $software = self::convIPTC( $val, $c ); |
| 168 | |
| 169 | if ( count( $software ) !== 1 ) { |
| 170 | // according to iim standard this cannot have multiple values |
| 171 | // so if there is more than one, something weird is happening, |
| 172 | // and we skip it. |
| 173 | wfDebugLog( 'iptc', 'IPTC: Wrong count on 2:65 Software field' ); |
| 174 | break; |
| 175 | } |
| 176 | |
| 177 | if ( isset( $parsed['2#070'] ) ) { |
| 178 | // if a version is set for the software. |
| 179 | $softwareVersion = self::convIPTC( $parsed['2#070'], $c ); |
| 180 | unset( $parsed['2#070'] ); |
| 181 | $data['Software'] = [ [ $software[0], $softwareVersion[0] ] ]; |
| 182 | } else { |
| 183 | $data['Software'] = $software; |
| 184 | } |
| 185 | break; |
| 186 | case '2#075': |
| 187 | /* Object cycle. |
| 188 | * a for morning (am), p for evening, b for both */ |
| 189 | $data['ObjectCycle'] = self::convIPTC( $val, $c ); |
| 190 | break; |
| 191 | case '2#100': |
| 192 | /* Country/Primary location code. |
| 193 | * "Indicates the code of the country/primary location where the |
| 194 | * intellectual property of the objectdata was created" |
| 195 | * unclear how this differs from 2#026 |
| 196 | */ |
| 197 | $data['CountryCodeDest'] = self::convIPTC( $val, $c ); |
| 198 | break; |
| 199 | case '2#103': |
| 200 | /* original transmission ref. |
| 201 | * "A code representing the location of original transmission ac- |
| 202 | * cording to practises of the provider." |
| 203 | */ |
| 204 | $data['OriginalTransmissionRef'] = self::convIPTC( $val, $c ); |
| 205 | break; |
| 206 | case '2#118': /*contact*/ |
| 207 | $data['Contact'] = self::convIPTC( $val, $c ); |
| 208 | break; |
| 209 | case '2#122': |
| 210 | /* Writer/Editor |
| 211 | * "Identification of the name of the person involved in the writing, |
| 212 | * editing or correcting the objectdata or caption/abstract." |
| 213 | */ |
| 214 | $data['Writer'] = self::convIPTC( $val, $c ); |
| 215 | break; |
| 216 | case '2#135': /* lang code */ |
| 217 | $data['LanguageCode'] = self::convIPTC( $val, $c ); |
| 218 | break; |
| 219 | |
| 220 | // Start date stuff. |
| 221 | // It doesn't accept incomplete dates even though they are valid |
| 222 | // according to spec. |
| 223 | // Should potentially store timezone as well. |
| 224 | case '2#055': |
| 225 | // Date created (not date digitized). |
| 226 | // Maps to exif DateTimeOriginal |
| 227 | $time = $parsed['2#060'] ?? []; |
| 228 | $timestamp = self::timeHelper( $val, $time, $c ); |
| 229 | if ( $timestamp ) { |
| 230 | $data['DateTimeOriginal'] = $timestamp; |
| 231 | } |
| 232 | break; |
| 233 | |
| 234 | case '2#062': |
| 235 | // Date converted to digital representation. |
| 236 | // Maps to exif DateTimeDigitized |
| 237 | $time = $parsed['2#063'] ?? []; |
| 238 | $timestamp = self::timeHelper( $val, $time, $c ); |
| 239 | if ( $timestamp ) { |
| 240 | $data['DateTimeDigitized'] = $timestamp; |
| 241 | } |
| 242 | break; |
| 243 | |
| 244 | case '2#030': |
| 245 | // Date released. |
| 246 | $time = $parsed['2#035'] ?? []; |
| 247 | $timestamp = self::timeHelper( $val, $time, $c ); |
| 248 | if ( $timestamp ) { |
| 249 | $data['DateTimeReleased'] = $timestamp; |
| 250 | } |
| 251 | break; |
| 252 | |
| 253 | case '2#037': |
| 254 | // Date expires. |
| 255 | $time = $parsed['2#038'] ?? []; |
| 256 | $timestamp = self::timeHelper( $val, $time, $c ); |
| 257 | if ( $timestamp ) { |
| 258 | $data['DateTimeExpires'] = $timestamp; |
| 259 | } |
| 260 | break; |
| 261 | |
| 262 | case '2#000': /* iim version */ |
| 263 | // unlike other tags, this is a 2-byte binary number. |
| 264 | // technically this is required if there is iptc data |
| 265 | // but in practise it isn't always there. |
| 266 | if ( strlen( $val[0] ) === 2 ) { |
| 267 | // if is just to be paranoid. |
| 268 | $versionValue = ord( substr( $val[0], 0, 1 ) ) * 256; |
| 269 | $versionValue += ord( substr( $val[0], 1, 1 ) ); |
| 270 | $data['iimVersion'] = $versionValue; |
| 271 | } |
| 272 | break; |
| 273 | |
| 274 | case '2#004': |
| 275 | // IntellectualGenere. |
| 276 | // first 4 characters are an id code |
| 277 | // That we're not really interested in. |
| 278 | |
| 279 | // This prop is weird, since it's |
| 280 | // allowed to have multiple values |
| 281 | // in iim 4.1, but not in the XMP |
| 282 | // stuff. We're going to just |
| 283 | // extract the first value. |
| 284 | $con = self::convIPTC( $val, $c ); |
| 285 | if ( strlen( $con[0] ) < 5 ) { |
| 286 | wfDebugLog( 'iptc', 'IPTC: ' |
| 287 | . '2:04 too short. ' |
| 288 | . 'Ignoring.' ); |
| 289 | break; |
| 290 | } |
| 291 | $extracted = substr( $con[0], 4 ); |
| 292 | $data['IntellectualGenre'] = $extracted; |
| 293 | break; |
| 294 | |
| 295 | case '2#012': |
| 296 | // Subject News code - this is a compound field |
| 297 | // at the moment we only extract the subject news |
| 298 | // code, which is an 8 digit (ascii) number |
| 299 | // describing the subject matter of the content. |
| 300 | $codes = self::convIPTC( $val, $c ); |
| 301 | foreach ( $codes as $ic ) { |
| 302 | $fields = explode( ':', $ic, 3 ); |
| 303 | |
| 304 | if ( count( $fields ) < 2 || $fields[0] !== 'IPTC' ) { |
| 305 | wfDebugLog( 'IPTC', 'IPTC: ' |
| 306 | . 'Invalid 2:12 - ' . $ic ); |
| 307 | break; |
| 308 | } |
| 309 | $data['SubjectNewsCode'] = $fields[1]; |
| 310 | } |
| 311 | break; |
| 312 | |
| 313 | // purposely does not do 2:125, 2:130, 2:131, |
| 314 | // 2:47, 2:50, 2:45, 2:42, 2:8, 2:3 |
| 315 | // 2:200, 2:201, 2:202 |
| 316 | // or the audio stuff (2:150 to 2:154) |
| 317 | |
| 318 | case '2#070': |
| 319 | case '2#060': |
| 320 | case '2#063': |
| 321 | case '2#085': |
| 322 | case '2#038': |
| 323 | case '2#035': |
| 324 | // ignore. Handled elsewhere. |
| 325 | break; |
| 326 | |
| 327 | default: |
| 328 | wfDebugLog( 'iptc', "Unsupported iptc tag: $tag. Value: " . implode( ',', $val ) ); |
| 329 | break; |
| 330 | } |
| 331 | } |
| 332 | |
| 333 | return $data; |
| 334 | } |
| 335 | |
| 336 | /** |
| 337 | * Convert an iptc date and time tags into the exif format |
| 338 | * |
| 339 | * @todo Potentially this should also capture the timezone offset. |
| 340 | * @param array $date The date tag |
| 341 | * @param array $time The time tag |
| 342 | * @param string $charset |
| 343 | * @return string|null Date in EXIF format. |
| 344 | */ |
| 345 | private static function timeHelper( $date, $time, $charset ) { |
| 346 | if ( count( $date ) === 1 ) { |
| 347 | // the standard says this should always be 1 |
| 348 | // just double checking. |
| 349 | [ $date ] = self::convIPTC( $date, $charset ); |
| 350 | } else { |
| 351 | return null; |
| 352 | } |
| 353 | |
| 354 | if ( count( $time ) === 1 ) { |
| 355 | [ $time ] = self::convIPTC( $time, $charset ); |
| 356 | $dateOnly = false; |
| 357 | } else { |
| 358 | $time = '000000+0000'; // placeholder |
| 359 | $dateOnly = true; |
| 360 | } |
| 361 | |
| 362 | if ( !( preg_match( '/\d\d\d\d\d\d[-+]\d\d\d\d/', $time ) |
| 363 | && preg_match( '/\d\d\d\d\d\d\d\d/', $date ) |
| 364 | && substr( $date, 0, 4 ) !== '0000' |
| 365 | && substr( $date, 4, 2 ) !== '00' |
| 366 | && substr( $date, 6, 2 ) !== '00' |
| 367 | ) ) { |
| 368 | // something wrong. |
| 369 | // Note, this rejects some valid dates according to iptc spec |
| 370 | // for example: the date 00000400 means the photo was taken in |
| 371 | // April, but the year and day is unknown. We don't process these |
| 372 | // types of incomplete dates atm. |
| 373 | wfDebugLog( 'iptc', "IPTC: invalid time ( $time ) or date ( $date )" ); |
| 374 | |
| 375 | return null; |
| 376 | } |
| 377 | |
| 378 | $unixTS = wfTimestamp( TS_UNIX, $date . substr( $time, 0, 6 ) ); |
| 379 | if ( $unixTS === false ) { |
| 380 | wfDebugLog( 'iptc', "IPTC: can't convert date to TS_UNIX: $date $time." ); |
| 381 | |
| 382 | return null; |
| 383 | } |
| 384 | |
| 385 | $tz = ( (int)substr( $time, 7, 2 ) * 60 * 60 ) |
| 386 | + ( (int)substr( $time, 9, 2 ) * 60 ); |
| 387 | |
| 388 | if ( substr( $time, 6, 1 ) === '-' ) { |
| 389 | $tz = -$tz; |
| 390 | } |
| 391 | |
| 392 | $finalTimestamp = wfTimestamp( TS_EXIF, (int)$unixTS + $tz ); |
| 393 | if ( $finalTimestamp === false ) { |
| 394 | wfDebugLog( 'iptc', "IPTC: can't make final timestamp. Date: " . ( (int)$unixTS + $tz ) ); |
| 395 | |
| 396 | return null; |
| 397 | } |
| 398 | if ( $dateOnly ) { |
| 399 | // return the date only |
| 400 | return substr( $finalTimestamp, 0, 10 ); |
| 401 | } |
| 402 | return $finalTimestamp; |
| 403 | } |
| 404 | |
| 405 | /** |
| 406 | * Helper function to convert charset for iptc values. |
| 407 | * @param string|array $data The iptc string |
| 408 | * @param string $charset |
| 409 | * |
| 410 | * @return string|array |
| 411 | */ |
| 412 | private static function convIPTC( $data, $charset ) { |
| 413 | if ( is_array( $data ) ) { |
| 414 | foreach ( $data as &$val ) { |
| 415 | $val = self::convIPTCHelper( $val, $charset ); |
| 416 | } |
| 417 | } else { |
| 418 | $data = self::convIPTCHelper( $data, $charset ); |
| 419 | } |
| 420 | |
| 421 | return $data; |
| 422 | } |
| 423 | |
| 424 | /** |
| 425 | * Helper function of a helper function to convert charset for iptc values. |
| 426 | * @param string|array $data The IPTC string |
| 427 | * @param string $charset |
| 428 | * |
| 429 | * @return string |
| 430 | */ |
| 431 | private static function convIPTCHelper( $data, $charset ) { |
| 432 | if ( $charset ) { |
| 433 | AtEase::suppressWarnings(); |
| 434 | $data = iconv( $charset, "UTF-8//IGNORE", $data ); |
| 435 | AtEase::restoreWarnings(); |
| 436 | if ( $data === false ) { |
| 437 | $data = ""; |
| 438 | wfDebugLog( 'iptc', __METHOD__ . " Error converting iptc data charset $charset to utf-8" ); |
| 439 | } |
| 440 | } else { |
| 441 | // treat as utf-8 if is valid utf-8. otherwise pretend its windows-1252 |
| 442 | // most of the time if there is no 1:90 tag, it is either ascii, latin1, or utf-8 |
| 443 | $oldData = $data; |
| 444 | UtfNormal\Validator::quickIsNFCVerify( $data ); // make $data valid utf-8 |
| 445 | if ( $data === $oldData ) { |
| 446 | return $data; // if validation didn't change $data |
| 447 | } |
| 448 | return self::convIPTCHelper( $oldData, 'Windows-1252' ); |
| 449 | } |
| 450 | |
| 451 | return trim( $data ); |
| 452 | } |
| 453 | |
| 454 | /** |
| 455 | * take the value of 1:90 tag and returns a charset |
| 456 | * @param string $tag 1:90 tag. |
| 457 | * @return string Charset name or "?" |
| 458 | * Warning, this function does not (and is not intended to) detect |
| 459 | * all iso 2022 escape codes. In practise, the code for utf-8 is the |
| 460 | * only code that seems to have wide use. It does detect that code. |
| 461 | */ |
| 462 | public static function getCharset( $tag ) { |
| 463 | // According to iim standard, charset is defined by the tag 1:90. |
| 464 | // in which there are iso 2022 escape sequences to specify the character set. |
| 465 | // the iim standard seems to encourage that all necessary escape sequences are |
| 466 | // in the 1:90 tag, but says it doesn't have to be. |
| 467 | |
| 468 | // This is in need of more testing probably. This is definitely not complete. |
| 469 | // however reading the docs of some other iptc software, it appears that most iptc software |
| 470 | // only recognizes utf-8. If 1:90 tag is not present content is |
| 471 | // usually ascii or iso-8859-1 (and sometimes utf-8), but no guarantee. |
| 472 | |
| 473 | // This also won't work if there are more than one escape sequence in the 1:90 tag |
| 474 | // or if something is put in the G2, or G3 charsets, etc. It will only reliably recognize utf-8. |
| 475 | |
| 476 | // This is just going through the charsets mentioned in appendix C of the iim standard. |
| 477 | |
| 478 | // \x1b = ESC. |
| 479 | switch ( $tag ) { |
| 480 | case "\x1b%G": // utf-8 |
| 481 | // Also call things that are compatible with utf-8, utf-8 (e.g. ascii) |
| 482 | case "\x1b(B": // ascii |
| 483 | case "\x1b(@": // iso-646-IRV (ascii in latest version, $ different in older version) |
| 484 | $c = 'UTF-8'; |
| 485 | break; |
| 486 | case "\x1b(A": // like ascii, but british. |
| 487 | $c = 'ISO646-GB'; |
| 488 | break; |
| 489 | case "\x1b(C": // some obscure sweedish/finland encoding |
| 490 | $c = 'ISO-IR-8-1'; |
| 491 | break; |
| 492 | case "\x1b(D": |
| 493 | $c = 'ISO-IR-8-2'; |
| 494 | break; |
| 495 | case "\x1b(E": // some obscure danish/norway encoding |
| 496 | $c = 'ISO-IR-9-1'; |
| 497 | break; |
| 498 | case "\x1b(F": |
| 499 | $c = 'ISO-IR-9-2'; |
| 500 | break; |
| 501 | case "\x1b(G": |
| 502 | $c = 'SEN_850200_B'; // aka iso 646-SE; ascii-like |
| 503 | break; |
| 504 | case "\x1b(I": |
| 505 | $c = "ISO646-IT"; |
| 506 | break; |
| 507 | case "\x1b(L": |
| 508 | $c = "ISO646-PT"; |
| 509 | break; |
| 510 | case "\x1b(Z": |
| 511 | $c = "ISO646-ES"; |
| 512 | break; |
| 513 | case "\x1b([": |
| 514 | $c = "GREEK7-OLD"; |
| 515 | break; |
| 516 | case "\x1b(K": |
| 517 | $c = "ISO646-DE"; |
| 518 | break; |
| 519 | case "\x1b(N": // crylic |
| 520 | $c = "ISO_5427"; |
| 521 | break; |
| 522 | case "\x1b(`": // iso646-NO |
| 523 | $c = "NS_4551-1"; |
| 524 | break; |
| 525 | case "\x1b(f": // iso646-FR |
| 526 | $c = "NF_Z_62-010"; |
| 527 | break; |
| 528 | case "\x1b(g": |
| 529 | $c = "PT2"; // iso646-PT2 |
| 530 | break; |
| 531 | case "\x1b(h": |
| 532 | $c = "ES2"; |
| 533 | break; |
| 534 | case "\x1b(i": // iso646-HU |
| 535 | $c = "MSZ_7795.3"; |
| 536 | break; |
| 537 | case "\x1b(w": |
| 538 | $c = "CSA_Z243.4-1985-1"; |
| 539 | break; |
| 540 | case "\x1b(x": |
| 541 | $c = "CSA_Z243.4-1985-2"; |
| 542 | break; |
| 543 | case "\x1b\$(B": |
| 544 | case "\x1b\$B": |
| 545 | case "\x1b&@\x1b\$B": |
| 546 | case "\x1b&@\x1b\$(B": |
| 547 | $c = "JIS_C6226-1983"; |
| 548 | break; |
| 549 | case "\x1b-A": // iso-8859-1. at least for the high code characters. |
| 550 | case "\x1b(@\x1b-A": |
| 551 | case "\x1b(B\x1b-A": |
| 552 | $c = 'ISO-8859-1'; |
| 553 | break; |
| 554 | case "\x1b-B": // iso-8859-2. at least for the high code characters. |
| 555 | $c = 'ISO-8859-2'; |
| 556 | break; |
| 557 | case "\x1b-C": // iso-8859-3. at least for the high code characters. |
| 558 | $c = 'ISO-8859-3'; |
| 559 | break; |
| 560 | case "\x1b-D": // iso-8859-4. at least for the high code characters. |
| 561 | $c = 'ISO-8859-4'; |
| 562 | break; |
| 563 | case "\x1b-E": // iso-8859-5. at least for the high code characters. |
| 564 | $c = 'ISO-8859-5'; |
| 565 | break; |
| 566 | case "\x1b-F": // iso-8859-6. at least for the high code characters. |
| 567 | $c = 'ISO-8859-6'; |
| 568 | break; |
| 569 | case "\x1b-G": // iso-8859-7. at least for the high code characters. |
| 570 | $c = 'ISO-8859-7'; |
| 571 | break; |
| 572 | case "\x1b-H": // iso-8859-8. at least for the high code characters. |
| 573 | $c = 'ISO-8859-8'; |
| 574 | break; |
| 575 | case "\x1b-I": // CSN_369103. at least for the high code characters. |
| 576 | $c = 'CSN_369103'; |
| 577 | break; |
| 578 | default: |
| 579 | wfDebugLog( 'iptc', __METHOD__ . ': Unknown charset in iptc 1:90: ' . bin2hex( $tag ) ); |
| 580 | // at this point just give up and refuse to parse iptc? |
| 581 | $c = false; |
| 582 | } |
| 583 | return $c; |
| 584 | } |
| 585 | } |