TargetOperation.php
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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\Translation\Catalogue;
use Symfony\Component\Translation\MessageCatalogueInterface;
/**
* Target operation between two catalogues:
* intersection = source ∩ target = {x: x ∈ source ∧ x ∈ target}
* all = intersection ∪ (target ∖ intersection) = target
* new = all ∖ source = {x: x ∈ target ∧ x ∉ source}
* obsolete = source ∖ all = source ∖ target = {x: x ∈ source ∧ x ∉ target}
* Basically, the result contains messages from the target catalogue.
*
* @author Michael Lee <michael.lee@zerustech.com>
*/
class TargetOperation extends AbstractOperation
{
/**
* {@inheritdoc}
*/
protected function processDomain(string $domain)
{
$this->messages[$domain] = [
'all' => [],
'new' => [],
'obsolete' => [],
];
$intlDomain = $domain.MessageCatalogueInterface::INTL_DOMAIN_SUFFIX;
// For 'all' messages, the code can't be simplified as ``$this->messages[$domain]['all'] = $target->all($domain);``,
// because doing so will drop messages like {x: x ∈ source ∧ x ∉ target.all ∧ x ∈ target.fallback}
//
// For 'new' messages, the code can't be simplified as ``array_diff_assoc($this->target->all($domain), $this->source->all($domain));``
// because doing so will not exclude messages like {x: x ∈ target ∧ x ∉ source.all ∧ x ∈ source.fallback}
//
// For 'obsolete' messages, the code can't be simplified as ``array_diff_assoc($this->source->all($domain), $this->target->all($domain))``
// because doing so will not exclude messages like {x: x ∈ source ∧ x ∉ target.all ∧ x ∈ target.fallback}
foreach ($this->source->all($domain) as $id => $message) {
if ($this->target->has($id, $domain)) {
$this->messages[$domain]['all'][$id] = $message;
$d = $this->source->defines($id, $intlDomain) ? $intlDomain : $domain;
$this->result->add([$id => $message], $d);
if (null !== $keyMetadata = $this->source->getMetadata($id, $d)) {
$this->result->setMetadata($id, $keyMetadata, $d);
}
} else {
$this->messages[$domain]['obsolete'][$id] = $message;
}
}
foreach ($this->target->all($domain) as $id => $message) {
if (!$this->source->has($id, $domain)) {
$this->messages[$domain]['all'][$id] = $message;
$this->messages[$domain]['new'][$id] = $message;
$d = $this->target->defines($id, $intlDomain) ? $intlDomain : $domain;
$this->result->add([$id => $message], $d);
if (null !== $keyMetadata = $this->target->getMetadata($id, $d)) {
$this->result->setMetadata($id, $keyMetadata, $d);
}
}
}
}
}