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<?php
declare(strict_types=1);
require_once __DIR__ . '/I18nValidatorInterface.php';
class I18nUsageValidator implements I18nValidatorInterface {
/** @var array<string> */
private array $code;
/** @var array<string,array<string,I18nValue>> */
private array $reference;
private int $totalEntries = 0;
private int $failedEntries = 0;
private string $result = '';
/**
* @param array<string,array<string,I18nValue>> $reference
* @param array<string> $code
*/
public function __construct(array $reference, array $code) {
$this->code = $code;
$this->reference = $reference;
}
#[\Override]
public function displayReport(): string {
if ($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;
}
#[\Override]
public function displayResult(): string {
return $this->result;
}
#[\Override]
public function validate(): bool {
foreach ($this->reference as $file => $data) {
foreach ($data as $key => $value) {
$this->totalEntries++;
if (preg_match('/\._$/', $key) === 1 && in_array(preg_replace('/\._$/', '', $key), $this->code, true)) {
continue;
}
if (!in_array($key, $this->code, true)) {
$this->result .= sprintf('Unused key %s - %s', $key, $value) . PHP_EOL;
$this->failedEntries++;
continue;
}
}
}
return 0 === $this->failedEntries;
}
}
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