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<?php
/**
* Contains a class for querying external translation service.
*
* @file
* @author Niklas Laxström
* @copyright Copyright © 2010-2013 Niklas Laxström
* @license GPL-2.0+
*/
/**
* Implements support for Yandex translation api v1.
* @see http://api.yandex.com/translate/
* @ingroup TranslationWebService
* @since 2013-01-01
*/
class YandexWebService extends TranslationWebService {
protected function mapCode( $code ) {
if ( $code === 'be-tarask' ) {
$code = 'be';
}
return $code;
}
protected function doPairs() {
if ( !isset( $this->config['key'] ) ) {
throw new TranslationWebServiceException( 'API key is not set' );
}
$pairs = array();
$params = array(
'key' => $this->config['key'],
);
$url = $this->config['pairs'] . '?' . wfArrayToCgi( $params );
$json = Http::get( $url, $this->config['timeout'] );
$response = FormatJson::decode( $json );
if ( !is_object( $response ) ) {
$exception = 'Malformed reply from remote server: ' . strval( $json );
throw new TranslationWebServiceException( $exception );
}
foreach ( $response->dirs as $pair ) {
list( $source, $target ) = explode( '-', $pair );
$pairs[$source][$target] = true;
}
return $pairs;
}
protected function doRequest( $text, $from, $to ) {
if ( !isset( $this->config['key'] ) ) {
throw new TranslationWebServiceException( 'API key is not set' );
}
# http://api.yandex.com/translate/doc/dg/reference/translate.xml
if ( strlen( $text ) > 10000 ) {
throw new TranslationWebServiceException( 'Source text too long' );
}
$service = $this->service;
$text = trim( $text );
$text = $this->wrapUntranslatable( $text );
$options = array();
$options['timeout'] = $this->config['timeout'];
$options['method'] = 'POST';
$options['postData'] = array(
'key' => $this->config['key'],
'text' => $text,
'lang' => "$from-$to",
);
$url = $this->config['url'];
$req = MWHttpRequest::factory( $url, $options );
wfProfileIn( 'TranslateWebServiceRequest-' . $service );
$status = $req->execute();
wfProfileOut( 'TranslateWebServiceRequest-' . $service );
if ( !$status->isOK() ) {
$error = $req->getContent();
// Most likely a timeout or other general error
throw new TranslationWebServiceException( "Http::get failed:\n" .
"* " . serialize( $error ) . "\n" .
"* " . serialize( $status )
);
}
$response = FormatJson::decode( $req->getContent() );
if ( !is_object( $response ) ) {
throw new TranslationWebServiceException( serialize( $req->getContent() ) );
} elseif ( $response->code !== 200 ) {
$exception = "(HTTP {$response->code}) with ($service ($from|$to)): " .
$response->message;
throw new TranslationWebServiceException( $exception );
}
$sug = Sanitizer::decodeCharReferences( $response->text[0] );
$sug = $this->unwrapUntranslatable( $sug );
return trim( $sug );
}
}
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