| | 1 | <?php |
| | 2 | /** |
| | 3 | * Dynamic loading and parsing of MO files |
| | 4 | * |
| | 5 | * @author Björn Ahrens <bjoern@ahrens.net> |
| | 6 | * @package WP Performance Pack |
| | 7 | * @since 0.1 |
| | 8 | */ |
| | 9 | |
| | 10 | /** |
| | 11 | * Class holds information about a single MO file |
| | 12 | */ |
| | 13 | class MO_item { |
| | 14 | var $reader = NULL; |
| | 15 | var $mofile = ''; |
| | 16 | |
| | 17 | var $loaded = false; |
| | 18 | var $total = 0; |
| | 19 | var $originals = array(); |
| | 20 | var $originals_table; |
| | 21 | var $translations_table; |
| | 22 | var $last_access; |
| | 23 | |
| | 24 | var $hash_table; |
| | 25 | var $hash_length = 0; |
| | 26 | |
| | 27 | function clear_reader () { |
| | 28 | if ( $this->reader !== NULL ) { |
| | 29 | $this->reader->close(); |
| | 30 | $this->reader = NULL; |
| | 31 | } |
| | 32 | } |
| | 33 | } |
| | 34 | |
| | 35 | /** |
| | 36 | * Class for working with MO files |
| | 37 | * Translation entries are created dynamically. |
| | 38 | * Due to this export and save functions are not implemented. |
| | 39 | */ |
| | 40 | class MO_dynamic extends Gettext_Translations { |
| | 41 | private $caching = false; |
| | 42 | private $modified = false; |
| | 43 | |
| | 44 | protected $domain = ''; |
| | 45 | protected $_nplurals = 2; |
| | 46 | protected $MOs = array(); |
| | 47 | |
| | 48 | protected $translations = NULL; |
| | 49 | protected $base_translations = NULL; |
| | 50 | |
| | 51 | function __construct( $domain, $caching = false ) { |
| | 52 | $this->domain = $domain; |
| | 53 | $this->caching = $caching; |
| | 54 | if ( $caching ) { |
| | 55 | add_action ( 'shutdown', array( $this, 'save_to_cache' ) ); |
| | 56 | add_action ( 'admin_init', array( $this, 'save_base_translations' ), 100 ); |
| | 57 | } |
| | 58 | // Reader has to be destroyed befor any upgrades or else upgrade might fail, if a |
| | 59 | // reader is loaded (cannot delete old plugin/theme/etc. because a language file |
| | 60 | // is still opened). |
| | 61 | add_filter('upgrader_pre_install', array($this, 'clear_reader_before_upgrade'), 10, 2); |
| | 62 | } |
| | 63 | |
| | 64 | static function get_byteorder($magic) { |
| | 65 | // The magic is 0x950412de |
| | 66 | |
| | 67 | // bug in PHP 5.0.2, see https://savannah.nongnu.org/bugs/?func=detailitem&item_id=10565 |
| | 68 | $magic_little = (int) - 1794895138; |
| | 69 | $magic_little_64 = (int) 2500072158; |
| | 70 | // 0xde120495 |
| | 71 | $magic_big = ((int) - 569244523) & 0xFFFFFFFF; |
| | 72 | if ($magic_little == $magic || $magic_little_64 == $magic) { |
| | 73 | return 'little'; |
| | 74 | } else if ($magic_big == $magic) { |
| | 75 | return 'big'; |
| | 76 | } else { |
| | 77 | return false; |
| | 78 | } |
| | 79 | } |
| | 80 | |
| | 81 | function unhook_and_close () { |
| | 82 | remove_action ( 'shutdown', array( $this, 'save_to_cache' ) ); |
| | 83 | remove_action ( 'admin_init', array( $this, 'save_base_translations' ), 100 ); |
| | 84 | foreach ( $this->MOs as $moitem ) { |
| | 85 | $moitem->clear_reader(); |
| | 86 | } |
| | 87 | $this->MOs = array(); |
| | 88 | } |
| | 89 | |
| | 90 | function __destruct() { |
| | 91 | foreach ( $this->MOs as $moitem ) { |
| | 92 | $moitem->clear_reader(); |
| | 93 | } |
| | 94 | } |
| | 95 | |
| | 96 | function clear_reader_before_upgrade($return, $plugin) { |
| | 97 | // stripped down copy of class-wp-upgrader.php Plugin_Upgrader::deactivate_plugin_before_upgrade |
| | 98 | if ( is_wp_error($return) ) //Bypass. |
| | 99 | return $return; |
| | 100 | |
| | 101 | foreach ( $this->MOs as $moitem ) { |
| | 102 | $moitem->clear_reader(); |
| | 103 | } |
| | 104 | } |
| | 105 | |
| | 106 | function get_current_url () { |
| | 107 | $current_url = $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; |
| | 108 | if ( isset($_SERVER['QUERY_STRING']) && ( $len = strlen( $_SERVER['QUERY_STRING'] ) ) > 0 ) { |
| | 109 | $current_url = substr ( $current_url, 0, strlen($current_url) - $len - 1 ); |
| | 110 | } |
| | 111 | if ( substr( $current_url, -10 ) === '/wp-admin/' ) { |
| | 112 | $current_url .= 'index.php'; |
| | 113 | } |
| | 114 | if ( isset( $_GET['page'] ) ) { |
| | 115 | $current_url .= '?page=' . $_GET['page']; |
| | 116 | } |
| | 117 | return $current_url; |
| | 118 | } |
| | 119 | |
| | 120 | function import_from_file( $filename ) { |
| | 121 | $moitem = new MO_item(); |
| | 122 | $moitem->mofile = $filename; |
| | 123 | $this->MOs[] = $moitem; |
| | 124 | |
| | 125 | // because only a reference to the MO file is created, at this point there is no information if $filename is a valid MO file, so the return value is always true |
| | 126 | return true; |
| | 127 | } |
| | 128 | |
| | 129 | function save_base_translations () { |
| | 130 | if ( is_admin() && $this->translations !== NULL && $this->base_translations === NULL ) { |
| | 131 | $this->base_translations = $this->translations; |
| | 132 | $this->translations = array(); |
| | 133 | } |
| | 134 | } |
| | 135 | |
| | 136 | private function cache_get ( $key, $cache_time ) { |
| | 137 | $t = wp_cache_get( $key, 'dymoloader1.0' ); |
| | 138 | if ( $t !== false && isset( $t['data'] ) ) { |
| | 139 | // check soft expire |
| | 140 | if ( $t['softexpire'] < time() ) { |
| | 141 | // update cache with new soft expire time |
| | 142 | $t['softexpire'] = time() + ( $cache_time - ( 5 * MINUTE_IN_SECONDS ) ); |
| | 143 | wp_cache_replace( $key, $t, 'dymoloader1.0', $cache_time ); |
| | 144 | } |
| | 145 | return json_decode( gzuncompress( $t['data'] ), true ); |
| | 146 | } |
| | 147 | return NULL; |
| | 148 | } |
| | 149 | |
| | 150 | private function cache_set ( $key, $cache_time, $data ) { |
| | 151 | $t = array(); |
| | 152 | $t['softexpire'] = time() + ( $cache_time - ( 5 * MINUTE_IN_SECONDS ) ); |
| | 153 | $t['data'] = gzcompress( json_encode( $data ) ); |
| | 154 | wp_cache_set( $key, $t, 'dymoloader1.0', $cache_time ); |
| | 155 | } |
| | 156 | |
| | 157 | function import_domain_from_cache () { |
| | 158 | // build cache key from domain and request uri |
| | 159 | if ( $this->caching ) { |
| | 160 | if ( is_admin() ) { |
| | 161 | $this->base_translations = $this->cache_get( 'backend_' . $this->domain, HOUR_IN_SECONDS ); |
| | 162 | $this->translations = $this->cache_get( 'backend_' . $this->domain . '_' . $this->get_current_url(), 30 * MINUTE_IN_SECONDS ); |
| | 163 | } else { |
| | 164 | $this->translations = $this->cache_get( 'frontend_' . $this->domain, HOUR_IN_SECONDS ); |
| | 165 | } |
| | 166 | } |
| | 167 | |
| | 168 | if ( $this->translations === NULL ) { |
| | 169 | $this->translations = array(); |
| | 170 | } |
| | 171 | } |
| | 172 | |
| | 173 | function save_to_cache () { |
| | 174 | if ( $this->modified ) { |
| | 175 | if ( is_admin() ) { |
| | 176 | $this->cache_set( 'backend_' . $this->domain . '_' . $this->get_current_url(), 30 * MINUTE_IN_SECONDS, $this->translations ); // keep admin page cache for 30 minutes |
| | 177 | if ( count( $this->base_translations ) > 0 ) { |
| | 178 | $this->cache_set( 'backend_'.$this->domain, HOUR_IN_SECONDS, $this->base_translations ); // keep admin base cache for 60 minutes |
| | 179 | } |
| | 180 | } else { |
| | 181 | $this->cache_set( 'frontend_'.$this->domain, HOUR_IN_SECONDS, $this->translations ); // keep front end cache for 60 minutes |
| | 182 | } |
| | 183 | } |
| | 184 | } |
| | 185 | |
| | 186 | private function import_fail ( &$moitem ) { |
| | 187 | $moitem->reader->close(); |
| | 188 | $moitem->reader = false; |
| | 189 | unset( $moitem->originals ); |
| | 190 | unset( $moitem->originals_table ); |
| | 191 | unset( $moitem->translations_table ); |
| | 192 | unset( $moitem->hash_table ); |
| | 193 | |
| | 194 | return false; |
| | 195 | } |
| | 196 | |
| | 197 | function import_from_reader( &$moitem ) { |
| | 198 | if ( $moitem->reader !== NULL) { |
| | 199 | return ( $moitem->reader !== false ); |
| | 200 | } |
| | 201 | |
| | 202 | $file_size = filesize( $moitem->mofile ); |
| | 203 | $moitem->reader=new POMO_FileReader( $moitem->mofile ); |
| | 204 | |
| | 205 | if ( $moitem->loaded === true ) { |
| | 206 | return true; |
| | 207 | } |
| | 208 | |
| | 209 | $endian_string = static::get_byteorder( $moitem->reader->readint32() ); |
| | 210 | if ( false === $endian_string ) { |
| | 211 | return $this->import_fail( $moitem ); |
| | 212 | } |
| | 213 | $moitem->reader->setEndian( $endian_string ); |
| | 214 | $endian = ( 'big' == $endian_string ) ? 'N' : 'V'; |
| | 215 | |
| | 216 | $header = $moitem->reader->read( 24 ); |
| | 217 | if ( $moitem->reader->strlen( $header ) != 24 ) { |
| | 218 | return $this->import_fail( $moitem ); |
| | 219 | } |
| | 220 | |
| | 221 | // parse header |
| | 222 | $header = unpack( "{$endian}revision/{$endian}total/{$endian}originals_lenghts_addr/{$endian}translations_lenghts_addr/{$endian}hash_length/{$endian}hash_addr", $header ); |
| | 223 | if ( !is_array( $header ) ) { |
| | 224 | return $this->import_fail( $moitem ); |
| | 225 | } |
| | 226 | extract( $header ); |
| | 227 | |
| | 228 | // support revision 0 of MO format specs, only |
| | 229 | if ( $revision !== 0 ) { |
| | 230 | return $this->import_fail( $moitem ); |
| | 231 | } |
| | 232 | |
| | 233 | $moitem->total = $total; |
| | 234 | |
| | 235 | // read hashtable |
| | 236 | $moitem->hash_length = $hash_length; |
| | 237 | if ( $hash_length > 0 ) { |
| | 238 | $moitem->reader->seekto ( $hash_addr ); |
| | 239 | $str = $moitem->reader->read( $hash_length * 4 ); |
| | 240 | if ( $moitem->reader->strlen( $str ) != $hash_length * 4 ) { |
| | 241 | return $this->import_fail( $moitem ); |
| | 242 | } |
| | 243 | if ( class_exists ( 'SplFixedArray' ) ) |
| | 244 | $moitem->hash_table = SplFixedArray::fromArray( unpack ( $endian.$hash_length, $str ), false ); |
| | 245 | else |
| | 246 | $moitem->hash_table = array_slice( unpack ( $endian.$hash_length, $str ), 0 ); // force zero based index |
| | 247 | } |
| | 248 | |
| | 249 | // read originals' indices |
| | 250 | $moitem->reader->seekto( $originals_lenghts_addr ); |
| | 251 | $originals_lengths_length = $translations_lenghts_addr - $originals_lenghts_addr; |
| | 252 | if ( $originals_lengths_length != $total * 8 ) { |
| | 253 | return $this->import_fail( $moitem ); |
| | 254 | } |
| | 255 | $str = $moitem->reader->read( $originals_lengths_length ); |
| | 256 | if ( $moitem->reader->strlen( $str ) != $originals_lengths_length ) { |
| | 257 | return $this->import_fail( $moitem ); |
| | 258 | } |
| | 259 | if ( class_exists ( 'SplFixedArray' ) ) |
| | 260 | $moitem->originals_table = SplFixedArray::fromArray( unpack ( $endian.($total * 2), $str ), false ); |
| | 261 | else |
| | 262 | $moitem->originals_table = array_slice( unpack ( $endian.($total * 2), $str ), 0 ); // force zero based index |
| | 263 | |
| | 264 | // "sanity check" ( i.e. test for corrupted mo file ) |
| | 265 | for ( $i = 0, $max = $total * 2; $i < $max; $i+=2 ) { |
| | 266 | if ( $moitem->originals_table[ $i + 1 ] > $file_size |
| | 267 | || $moitem->originals_table[ $i + 1 ] + $moitem->originals_table[ $i ] > $file_size ) { |
| | 268 | return $this->import_fail( $moitem ); |
| | 269 | } |
| | 270 | } |
| | 271 | |
| | 272 | // read translations' indices |
| | 273 | $translations_lenghts_length = $hash_addr - $translations_lenghts_addr; |
| | 274 | if ( $translations_lenghts_length != $total * 8 ) { |
| | 275 | return $this->import_fail( $moitem ); |
| | 276 | } |
| | 277 | $str = $moitem->reader->read( $translations_lenghts_length ); |
| | 278 | if ( $moitem->reader->strlen( $str ) != $translations_lenghts_length ) { |
| | 279 | return $this->import_fail( $moitem ); |
| | 280 | } |
| | 281 | if ( class_exists ( 'SplFixedArray' ) ) |
| | 282 | $moitem->translations_table = SplFixedArray::fromArray( unpack ( $endian.($total * 2), $str ), false ); |
| | 283 | else |
| | 284 | $moitem->translations_table = array_slice( unpack ( $endian.($total * 2), $str ), 0 ); // force zero based index |
| | 285 | |
| | 286 | // "sanity check" ( i.e. test for corrupted mo file ) |
| | 287 | for ( $i = 0, $max = $total * 2; $i < $max; $i+=2 ) { |
| | 288 | if ( $moitem->translations_table[ $i + 1 ] > $file_size |
| | 289 | || $moitem->translations_table[ $i + 1 ] + $moitem->translations_table[ $i ] > $file_size ) { |
| | 290 | return $this->import_fail( $moitem ); |
| | 291 | } |
| | 292 | } |
| | 293 | |
| | 294 | $moitem->loaded = true; // read headers can fail, so set loaded to true |
| | 295 | |
| | 296 | // read headers |
| | 297 | for ( $i = 0, $max = $total * 2; $i < $max; $i+=2 ) { |
| | 298 | $original = ''; |
| | 299 | if ( $moitem->originals_table[$i] > 0 ) { |
| | 300 | $moitem->reader->seekto( $moitem->originals_table[$i+1] ); |
| | 301 | $original = $moitem->reader->read( $moitem->originals_table[$i] ); |
| | 302 | |
| | 303 | $j = strpos( $original, 0 ); |
| | 304 | if ( $j !== false ) |
| | 305 | $original = substr( $original, 0, $i ); |
| | 306 | } |
| | 307 | |
| | 308 | if ( $original === '' ) { |
| | 309 | $translation = ''; |
| | 310 | if ( $moitem->translations_table[$i] > 0 ) { |
| | 311 | $moitem->reader->seekto( $moitem->translations_table[$i+1] ); |
| | 312 | $translation = $moitem->reader->read( $moitem->translations_table[$i] ); |
| | 313 | } |
| | 314 | |
| | 315 | $this->set_headers( $this->make_headers( $translation ) ); |
| | 316 | } else |
| | 317 | return true; |
| | 318 | } |
| | 319 | return true; |
| | 320 | } |
| | 321 | |
| | 322 | protected function search_translation ( $key ) { |
| | 323 | $hash_val = NULL; |
| | 324 | $key_len = strlen( $key ); |
| | 325 | |
| | 326 | for ( $j = 0, $max = count ( $this->MOs ); $j < $max; $j++ ) { |
| | 327 | $moitem = $this->MOs[$j]; |
| | 328 | if ( $moitem->reader == NULL ) { |
| | 329 | if ( !$this->import_from_reader( $moitem ) ) { |
| | 330 | // Error reading MO file, so delete it from MO list to prevent subsequent access |
| | 331 | unset( $this->MOs[$j] ); |
| | 332 | return false; // return or continue? |
| | 333 | } |
| | 334 | } |
| | 335 | |
| | 336 | if ($moitem->hash_length>0) { |
| | 337 | /* Use mo file hash table to search translation */ |
| | 338 | |
| | 339 | // calculate hash value |
| | 340 | // hashpjw function by P.J. Weinberger from gettext hash-string.c |
| | 341 | // adapted to php and its quirkiness caused by missing unsigned ints and shift operators... |
| | 342 | if ( $hash_val === NULL) { |
| | 343 | $hash_val = 0; |
| | 344 | $chars = unpack ( 'C*', $key ); // faster than accessing every single char by ord(char) |
| | 345 | foreach ( $chars as $char ) { |
| | 346 | $hash_val = ( $hash_val << 4 ) + $char; |
| | 347 | if( 0 !== ( $g = $hash_val & 0xF0000000 ) ){ |
| | 348 | if ( $g < 0 ) |
| | 349 | $hash_val ^= ( ( ($g & 0x7FFFFFFF) >> 24 ) | 0x80 ); // wordaround: php operator >> is arithmetic, not logic, so shifting negative values gives unexpected results. Cut sign bit, shift right, set sign bit again. |
| | 350 | /* |
| | 351 | workaround based on this function (adapted to actual used parameters): |
| | 352 | |
| | 353 | function shr($var,$amt) { |
| | 354 | $mask = 0x40000000; |
| | 355 | if($var < 0) { |
| | 356 | $var &= 0x7FFFFFFF; |
| | 357 | $mask = $mask >> ($amt-1); |
| | 358 | return ($var >> $amt) | $mask; |
| | 359 | } |
| | 360 | return $var >> $amt; |
| | 361 | } |
| | 362 | */ |
| | 363 | else |
| | 364 | $hash_val ^= ( $g >> 24 ); |
| | 365 | $hash_val ^= $g; |
| | 366 | } |
| | 367 | } |
| | 368 | } |
| | 369 | |
| | 370 | // calculate hash table index and increment |
| | 371 | if ( $hash_val >= 0 ) { |
| | 372 | $idx = $hash_val % $moitem->hash_length; |
| | 373 | $incr = 1 + ($hash_val % ($moitem->hash_length - 2)); |
| | 374 | } else { |
| | 375 | $hash_val = (float) sprintf('%u', $hash_val); // workaround php not knowing unsigned int - %u outputs $hval as unsigned, then cast to float |
| | 376 | $idx = fmod( $hash_val, $moitem->hash_length); |
| | 377 | $incr = 1 + fmod ($hash_val, ($moitem->hash_length - 2)); |
| | 378 | } |
| | 379 | |
| | 380 | $orig_idx = $moitem->hash_table[$idx]; |
| | 381 | while ( $orig_idx != 0 ) { |
| | 382 | $orig_idx--; // index adjustment |
| | 383 | |
| | 384 | $pos = $orig_idx * 2; |
| | 385 | if ( $orig_idx < $moitem->total // orig_idx must be in range |
| | 386 | && $moitem->originals_table[$pos] >= $key_len ) { // and original length must be equal or greater as key length (original can contain plural forms) |
| | 387 | |
| | 388 | // read original string |
| | 389 | $mo_original = ''; |
| | 390 | if ( $moitem->originals_table[$pos] > 0 ) { |
| | 391 | $moitem->reader->seekto( $moitem->originals_table[$pos+1] ); |
| | 392 | $mo_original = $moitem->reader->read( $moitem->originals_table[$pos] ); |
| | 393 | } |
| | 394 | |
| | 395 | if ( $moitem->originals_table[$pos] == $key_len |
| | 396 | || ord( $mo_original{$key_len} ) == 0 ) { |
| | 397 | // strings can only match if they have the same length, no need to inspect otherwise |
| | 398 | |
| | 399 | if ( false !== ( $i = strpos( $mo_original, 0 ) ) ) |
| | 400 | $cmpval = strncmp( $key, $mo_original, $i ); |
| | 401 | else |
| | 402 | $cmpval = strcmp( $key, $mo_original ); |
| | 403 | |
| | 404 | if ( $cmpval === 0 ) { |
| | 405 | // key found, read translation string |
| | 406 | $moitem->reader->seekto( $moitem->translations_table[$pos+1] ); |
| | 407 | $translation = $moitem->reader->read( $moitem->translations_table[$pos] ); |
| | 408 | if ( $j > 0 ) { |
| | 409 | // Assuming frequent subsequent translations from the same file resort MOs by access time to avoid unnecessary search in the wrong files. |
| | 410 | $moitem->last_access=time(); |
| | 411 | usort( $this->MOs, function ($a, $b) {return ($b->last_access - $a->last_access);} ); |
| | 412 | } |
| | 413 | return $translation; |
| | 414 | } |
| | 415 | } |
| | 416 | } |
| | 417 | |
| | 418 | if ($idx >= $moitem->hash_length - $incr) |
| | 419 | $idx -= ($moitem->hash_length - $incr); |
| | 420 | else |
| | 421 | $idx += $incr; |
| | 422 | $orig_idx = $moitem->hash_table[$idx]; |
| | 423 | } |
| | 424 | } else { |
| | 425 | /* No hash-table, do binary search for matching originals entry */ |
| | 426 | $left = 0; |
| | 427 | $right = $moitem->total-1; |
| | 428 | |
| | 429 | while ( $left <= $right ) { |
| | 430 | $pivot = $left + (int) ( ( $right - $left ) / 2 ); |
| | 431 | $pos = $pivot * 2; |
| | 432 | |
| | 433 | if ( isset( $moitem->originals[$pivot] ) ) { |
| | 434 | $mo_original = $moitem->originals[$pivot]; |
| | 435 | } else { |
| | 436 | // read and "cache" original string to improve performance of subsequent searches |
| | 437 | if ( $moitem->originals_table[$pos] > 0 ) { |
| | 438 | $moitem->reader->seekto( $moitem->originals_table[$pos+1] ); |
| | 439 | $mo_original = $moitem->reader->read( $moitem->originals_table[$pos] ); |
| | 440 | } else { |
| | 441 | $mo_original = ''; |
| | 442 | } |
| | 443 | $moitem->originals[$pivot] = $mo_original; |
| | 444 | } |
| | 445 | |
| | 446 | if ( false !== ( $i = strpos( $mo_original, 0 ) ) ) |
| | 447 | $cmpval = strncmp( $key, $mo_original, $i ); |
| | 448 | else |
| | 449 | $cmpval = strcmp( $key, $mo_original ); |
| | 450 | |
| | 451 | if ( $cmpval === 0 ) { |
| | 452 | // key found read translation string |
| | 453 | $moitem->reader->seekto( $moitem->translations_table[$pos+1] ); |
| | 454 | $translation = $moitem->reader->read( $moitem->translations_table[$pos] ); |
| | 455 | if ( $j > 0 ) { |
| | 456 | // Assuming frequent subsequent translations from the same file resort MOs by access time to avoid unnecessary search in the wrong files. |
| | 457 | $moitem->last_access=time(); |
| | 458 | usort( $this->MOs, function ($a, $b) {return ($b->last_access - $a->last_access);} ); |
| | 459 | } |
| | 460 | return $translation; |
| | 461 | } else if ( $cmpval < 0 ) { |
| | 462 | $right = $pivot - 1; |
| | 463 | } else { // if ($cmpval>0) |
| | 464 | $left = $pivot + 1; |
| | 465 | } |
| | 466 | } |
| | 467 | } |
| | 468 | } |
| | 469 | // key not found |
| | 470 | return false; |
| | 471 | } |
| | 472 | |
| | 473 | function translate ($singular, $context = NULL) { |
| | 474 | if ( !isset ($singular{0} ) ) return $singular; |
| | 475 | |
| | 476 | if ( $context == NULL ) { |
| | 477 | $s = $singular; |
| | 478 | } else { |
| | 479 | $s = $context . chr(4) . $singular; |
| | 480 | } |
| | 481 | |
| | 482 | if ( $this->translations === NULL ) { |
| | 483 | $this->import_domain_from_cache(); |
| | 484 | } |
| | 485 | |
| | 486 | if ( isset( $this->translations[$s] ) ) { |
| | 487 | $t = $this->translations[$s]; |
| | 488 | } elseif ( isset ($this->base_translations[$s] ) ) { |
| | 489 | $t = $this->base_translations[$s]; |
| | 490 | } else { |
| | 491 | if ( false !== ( $t = $this->search_translation( $s ) ) ) { |
| | 492 | $this->translations[$s] = $t; |
| | 493 | $this->modified = true; |
| | 494 | } |
| | 495 | } |
| | 496 | |
| | 497 | if ( $t !== false ) { |
| | 498 | if ( false !== ( $i = strpos( $t, 0 ) ) ) { |
| | 499 | return substr( $t, 0, $i ); |
| | 500 | } else { |
| | 501 | return $t; |
| | 502 | } |
| | 503 | } else { |
| | 504 | $this->translations[$s] = $singular; |
| | 505 | $this->modified = true; |
| | 506 | return $singular; |
| | 507 | } |
| | 508 | } |
| | 509 | |
| | 510 | function translate_plural ($singular, $plural, $count, $context = null) { |
| | 511 | if ( !isset( $singular{0} ) ) return $singular; |
| | 512 | |
| | 513 | // Get the "default" return-value |
| | 514 | $default = ($count == 1 ? $singular : $plural); |
| | 515 | |
| | 516 | if ( $context == NULL ) { |
| | 517 | $s = $singular; |
| | 518 | } else { |
| | 519 | $s = $context . chr(4) . $singular; |
| | 520 | } |
| | 521 | |
| | 522 | if ( $this->translations === NULL ) { |
| | 523 | $this->import_domain_from_cache(); |
| | 524 | } |
| | 525 | |
| | 526 | if ( isset( $this->translations[$s] ) ) { |
| | 527 | $t = $this->translations[$s]; |
| | 528 | } elseif ( isset ($this->base_translations[$s] ) ) { |
| | 529 | $t = $this->base_translations[$s]; |
| | 530 | } else { |
| | 531 | if ( false !== ( $t = $this->search_translation( $s ) ) ) { |
| | 532 | $this->translations[$s] = $t; |
| | 533 | $this->modified = true; |
| | 534 | } |
| | 535 | } |
| | 536 | |
| | 537 | if ( $t !== false ) { |
| | 538 | if ( false !== ( $i = strpos( $t, 0 ) ) ) { |
| | 539 | if ( $count == 1 ) { |
| | 540 | return substr ( $t, 0, $i ); |
| | 541 | } else { |
| | 542 | // only one plural form is assumed - needs improvement |
| | 543 | return substr( $t, $i+1 ); |
| | 544 | } |
| | 545 | } else { |
| | 546 | return $default; |
| | 547 | } |
| | 548 | } else { |
| | 549 | $this->translations[$s] = $singular . chr(0) . $plural; |
| | 550 | $this->modified = true; |
| | 551 | return $default; |
| | 552 | } |
| | 553 | } |
| | 554 | |
| | 555 | function merge_with( &$other ) { |
| | 556 | if ( $other instanceof WPPP_MO_dynamic ) { |
| | 557 | if ( $other->translations !== NULL ) { |
| | 558 | foreach( $other->translations as $key => $translation ) { |
| | 559 | $this->translations[$key] = $translation; |
| | 560 | } |
| | 561 | } |
| | 562 | if ( $other->base_translations !== NULL ) { |
| | 563 | foreach( $other->base_translations as $key => $translation ) { |
| | 564 | $this->base_translations[$key] = $translation; |
| | 565 | } |
| | 566 | } |
| | 567 | |
| | 568 | foreach ( $other->MOs as $moitem ) { |
| | 569 | $i = 0; |
| | 570 | $c = count( $this->MOs ); |
| | 571 | $found = false; |
| | 572 | while ( !$found && ( $i < $c ) ) { |
| | 573 | $found = $this->MOs[$i]->mofile == $moitem->mofile; |
| | 574 | $i++; |
| | 575 | } |
| | 576 | if ( !$found ) |
| | 577 | $this->MOs[] = $moitem; |
| | 578 | } |
| | 579 | } |
| | 580 | } |
| | 581 | |
| | 582 | function MO_file_loaded ( $mofile ) { |
| | 583 | foreach ($this->MOs as $moitem) { |
| | 584 | if ($moitem->mofile == $mofile) { |
| | 585 | return true; |
| | 586 | } |
| | 587 | } |
| | 588 | return false; |
| | 589 | } |
| | 590 | } |
| | 591 | No newline at end of file |