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<?php |
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/** |
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* Class LTEXReader |
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* |
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* @link https://arctium.io/wiki/index.php?title=Locale_Lookup_Index_(.bin) |
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* |
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* @filesource LTEXReader.php |
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* @created 05.01.2019 |
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* @package codemasher\WildstarDB |
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* @author smiley <[email protected]> |
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* @copyright 2019 smiley |
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* @license MIT |
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*/ |
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namespace codemasher\WildstarDB\Archive; |
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use codemasher\WildstarDB\WSDBException; |
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use function array_fill; |
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use function fread; |
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use function fseek; |
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use function ftell; |
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use function unpack; |
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/** |
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* @property string $prettyname |
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*/ |
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final class LTEXReader extends ReaderAbstract{ |
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// https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-lcid/a9eac961-e77d-41a6-90a5-ce1a8b0cdb9c |
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private const LCID = [ |
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0x0407 => 'de-DE', // 1031 |
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0x0409 => 'en-US', // 1033 |
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0x040C => 'fr-FR', // 1036 |
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0x0412 => 'ko-KR', // 1042 |
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]; |
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/** |
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* @var string |
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* @internal |
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*/ |
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protected $FORMAT_HEADER = 'a4Signature/LVersion/LLanguage/LLCID/QTagNameStringLength/QTagNameStringPtr'. |
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'/QShortNameStringLength/QShortNameStringPtr/QLongNameStringLength/QLongNameStringPtr'. |
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'/QEntryCount/QEntryIndexPtr/QNameStoreLength/QNameStorePtr'; |
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/** |
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* @var string |
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*/ |
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protected $prettyname; |
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/** |
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* @param string $filename |
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* |
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* @return \codemasher\WildstarDB\Archive\ReaderInterface |
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* @throws \codemasher\WildstarDB\WSDBException |
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*/ |
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public function read(string $filename):ReaderInterface{ |
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$this->loadFile($filename); |
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if($this->header['Signature'] !== "\x58\x45\x54\x4c"){ // XETL |
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throw new WSDBException('invalid LTEX'); |
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} |
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fseek($this->fh, $this->headerSize + $this->header['LongNameStringPtr']); |
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$this->prettyname = $this->decodeString(fread($this->fh, $this->header['LongNameStringLength'] * 2)); |
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$this->name = 'LocalizedText_'.$this::LCID[$this->header['LCID']]; |
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$this->cols = [ |
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['name' => 'ID', 'header' => ['DataType' => 3]], |
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['name' => 'LocalizedText', 'header' => ['DataType' => 130]], |
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]; |
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$this->readData(); |
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$this->logger->info($this->prettyname.' ('.$this->header['LCID'].', '.$this::LCID[$this->header['LCID']].'), rows: '.$this->header['EntryCount']); |
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return $this; |
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} |
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/** |
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* @return void |
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*/ |
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private function readData():void{ |
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fseek($this->fh, $this->headerSize + $this->header['EntryIndexPtr']); |
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$this->data = array_fill(0, $this->header['EntryCount'], null); |
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foreach($this->data as $i => $_){ |
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// get the id and offset for the data block |
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$c = unpack('Lid/Loffset', fread($this->fh, 8)); |
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// save the current position |
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$p = ftell($this->fh); |
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// seek forward to the data block |
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fseek($this->fh, $this->headerSize + $this->header['NameStorePtr'] + $c['offset'] * 2); |
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$v = ''; |
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// read until we hit a double nul or the void |
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do{ |
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$s = fread($this->fh, 2); |
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$v .= $s; |
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} |
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while($s !== "\x00\x00" && $s !== ''); |
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$this->data[$i] = ['ID' => $c['id'], 'LocalizedText' => $this->decodeString($v)]; |
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// restore the previous position |
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fseek($this->fh, $p); |
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} |
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} |
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} |
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codemasher /
wildstar-database
