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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 Apetrium translator api.
* @see http://wiki.apertium.org/wiki/Apertium_web_service
* @ingroup TranslationWebService
* @since 2013-01-01
*/
class ApertiumWebService extends TranslationWebService {
protected function mapCode( $code ) {
return str_replace( '-', '_', wfBCP47( $code ) );
}
protected function doPairs() {
$pairs = array();
$json = Http::get( $this->config['pairs'], $this->config['timeout'] );
$response = FormatJson::decode( $json );
if ( !is_object( $response ) ) {
$error = 'Malformed reply from remote server: ' . strval( $json );
throw new TranslationWebServiceException( $error );
}
foreach ( $response->responseData as $pair ) {
$source = $pair->sourceLanguage;
$target = $pair->targetLanguage;
$pairs[$source][$target] = true;
}
return $pairs;
}
protected function doRequest( $text, $from, $to ) {
$service = $this->service;
$text = trim( $text );
$text = $this->wrapUntranslatable( $text );
$options = array();
$options['timeout'] = $this->config['timeout'];
$params = array(
'q' => $text,
'langpair' => "$from|$to",
'x-application' => "Translate " . TRANSLATE_VERSION . ")",
);
if ( $this->config['key'] ) {
$params['key'] = $this->config['key'];
}
$url = $this->config['url'] . '?' . wfArrayToCgi( $params );
$req = MWHttpRequest::factory( $url, $options );
wfProfileIn( 'TranslateWebServiceRequest-' . $this->service );
$status = $req->execute();
wfProfileOut( 'TranslateWebServiceRequest-' . $this->service );
if ( !$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->responseStatus !== 200 ) {
$error = "(HTTP {$response->responseStatus}) with ($service ($from|$to)): " .
$response->responseDetails;
throw new TranslationWebServiceException( $error );
}
$sug = Sanitizer::decodeCharReferences( $response->responseData->translatedText );
$sug = $this->unwrapUntranslatable( $sug );
return trim( $sug );
}
}
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