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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Validator;
use Symfony\Component\Validator\Exception\BadMethodCallException;
use Symfony\Component\Validator\Exception\InvalidArgumentException;
use Symfony\Component\Translation\TranslatorInterface;
/**
* Simple translator implementation that simply replaces the parameters in
* the message IDs.
*
* Example usage:
*
* $translator = new DefaultTranslator();
*
* echo $translator->trans(
* 'This is a {{ var }}.',
* array('{{ var }}' => 'donkey')
* );
*
* // -> This is a donkey.
*
* echo $translator->transChoice(
* 'This is {{ count }} donkey.|These are {{ count }} donkeys.',
* 3,
* array('{{ count }}' => 'three')
* );
*
* // -> These are three donkeys.
*
* This translator does not support message catalogs, translation domains or
* locales. Instead, it implements a subset of the capabilities of
* {@link \Symfony\Component\Translation\Translator} and can be used in places
* where translation is not required by default but should be optional.
*
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class DefaultTranslator implements TranslatorInterface
{
/**
* Interpolates the given message.
*
* Parameters are replaced in the message in the same manner that
* {@link strtr()} uses.
*
* Example usage:
*
* $translator = new DefaultTranslator();
*
* echo $translator->trans(
* 'This is a {{ var }}.',
* array('{{ var }}' => 'donkey')
* );
*
* // -> This is a donkey.
*
* @param string $id The message id
* @param array $parameters An array of parameters for the message
* @param string $domain Ignored
* @param string $locale Ignored
*
* @return string The interpolated string
*/
public function trans($id, array $parameters = array(), $domain = null, $locale = null)
{
return strtr($id, $parameters);
}
/**
* Interpolates the given choice message by choosing a variant according to a number.
*
* The variants are passed in the message ID using the format
* "<singular>|<plural>". "<singular>" is chosen if the passed $number is
* exactly 1. "<plural>" is chosen otherwise.
*
* This format is consistent with the format supported by
* {@link \Symfony\Component\Translation\Translator}, but it does not
* have the same expressiveness. While Translator supports intervals in
* message translations, which are needed for languages other than English,
* this translator does not. You should use Translator or a custom
* implementation of {@link TranslatorInterface} if you need this or similar
* functionality.
*
* Example usage:
*
* echo $translator->transChoice(
* 'This is {{ count }} donkey.|These are {{ count }} donkeys.',
* 0,
* array('{{ count }}' => 0)
* );
*
* // -> These are 0 donkeys.
*
* echo $translator->transChoice(
* 'This is {{ count }} donkey.|These are {{ count }} donkeys.',
* 1,
* array('{{ count }}' => 1)
* );
*
* // -> This is 1 donkey.
*
* echo $translator->transChoice(
* 'This is {{ count }} donkey.|These are {{ count }} donkeys.',
* 3,
* array('{{ count }}' => 3)
* );
*
* // -> These are 3 donkeys.
*
* @param string $id The message id
* @param integer $number The number to use to find the index of the message
* @param array $parameters An array of parameters for the message
* @param string $domain Ignored
* @param string $locale Ignored
*
* @return string The translated string
*
* @throws InvalidArgumentException If the message id does not have the format
* "singular|plural".
*/
public function transChoice($id, $number, array $parameters = array(), $domain = null, $locale = null)
{
$ids = explode('|', $id);
if (1 == $number) {
return strtr($ids[0], $parameters);
}
if (!isset($ids[1])) {
throw new InvalidArgumentException(sprintf('The message "%s" cannot be pluralized, because it is missing a plural (e.g. "There is one apple|There are %%count%% apples").', $id));
}
return strtr($ids[1], $parameters);
}
/**
* Not supported.
*
* @param string $locale The locale
*
* @throws BadMethodCallException
*/
public function setLocale($locale)
{
throw new BadMethodCallException('Unsupported method.');
}
/**
* Returns the locale of the translator.
*
* @return string Always returns 'en'
*/
public function getLocale()
{
return 'en';
}
}