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<?php
require_once __DIR__ . '/I18nValidatorInterface.php';
class I18nUsageValidator implements I18nValidatorInterface {
private $code;
private $reference;
private $totalEntries = 0;
private $failedEntries = 0;
private $result = '';
public function __construct($reference, $code) {
$this->code = $code;
$this->reference = $reference;
}
public function displayReport() {
if ($this->failedEntries > $this->totalEntries) {
throw new \RuntimeException('The number of unused strings cannot be higher than the number of strings');
}
if ($this->totalEntries === 0) {
return 'There is no data.' . PHP_EOL;
}
return sprintf('%5.1f%% of translation keys are unused.', $this->failedEntries / $this->totalEntries * 100) . PHP_EOL;
}
public function displayResult() {
return $this->result;
}
public function validate() {
foreach ($this->reference as $file => $data) {
foreach ($data as $key => $value) {
$this->totalEntries++;
if (preg_match('/\._$/', $key) && in_array(preg_replace('/\._$/', '', $key), $this->code)) {
continue;
}
if (!in_array($key, $this->code)) {
$this->result .= sprintf('Unused key %s - %s', $key, $value) . PHP_EOL;
$this->failedEntries++;
continue;
}
}
}
return 0 === $this->failedEntries;
}
}
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