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Validator.php
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69 lines (60 loc) · 2.15 KB
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<?php
/**
* This file is part of formatphp/formatphp
*
* formatphp/formatphp is open source software: you can distribute
* it and/or modify it under the terms of the MIT License
* (the "License"). You may not use this file except in
* compliance with the License.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License.
*
* @copyright Copyright (c) Skillshare, Inc. <https://www.skillshare.com>
* @copyright Copyright (c) FormatPHP Contributors <https://formatphp.dev>
* @license https://opensource.org/licenses/MIT MIT License
*/
declare(strict_types=1);
namespace FormatPHP\Icu\MessageFormat;
use FormatPHP\Icu\MessageFormat\Parser\Error;
use FormatPHP\Icu\MessageFormat\Parser\Exception\InvalidMessageException;
use FormatPHP\Icu\MessageFormat\Parser\Options;
use FormatPHP\Icu\MessageFormat\Parser\Result;
use FormatPHP\Icu\MessageFormat\Parser\Type\Location;
use FormatPHP\Icu\MessageFormat\Parser\Type\LocationDetails;
use Throwable;
/**
* A validator to use with the ICU message format syntax
*/
class Validator
{
/**
* Returns true if the message is valid ICU message syntax
*
* @throws InvalidMessageException
*/
public function validate(string $message): bool
{
$throwable = null;
$options = new Options();
$options->shouldParseSkeletons = true;
try {
$parser = new Parser($message, $options);
$result = $parser->parse();
} catch (Throwable $throwable) {
// Convert exceptions to errors.
$position = new LocationDetails(-1, $throwable->getLine(), -1);
$result = new Result(
null,
new Error(Error::OTHER, $message, new Location($position, $position), $throwable),
);
}
if ($result->err !== null) {
throw new InvalidMessageException($result->err, $throwable);
}
return true;
}
}