<?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;
use Symfony\Component\Config\Resource\ResourceInterface;
use Symfony\Component\Translation\Exception\LogicException;
/**
* MessageCatalogue.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class MessageCatalogue implements MessageCatalogueInterface, MetadataAwareInterface
{
private $messages = array();
private $metadata = array();
private $resources = array();
private $locale;
private $fallbackCatalogue;
private $parent;
/**
* Constructor.
*
* @param string $locale The locale
* @param array $messages An array of messages classified by domain
*/
public function __construct($locale, array $messages = array())
{
$this->locale = $locale;
$this->messages = $messages;
}
/**
* {@inheritdoc}
*/
public function getLocale()
{
return $this->locale;
}
/**
* {@inheritdoc}
*/
public function getDomains()
{
return array_keys($this->messages);
}
/**
* {@inheritdoc}
*/
public function all($domain = null)
{
if (null === $domain) {
return $this->messages;
}
return isset($this->messages[$domain]) ? $this->messages[$domain] : array();
}
/**
* {@inheritdoc}
*/
public function set($id, $translation, $domain = 'messages')
{
$this->add(array($id => $translation), $domain);
}
/**
* {@inheritdoc}
*/
public function has($id, $domain = 'messages')
{
if (isset($this->messages[$domain][$id])) {
return true;
}
if (null !== $this->fallbackCatalogue) {
return $this->fallbackCatalogue->has($id, $domain);
}
return false;
}
/**
* {@inheritdoc}
*/
public function defines($id, $domain = 'messages')
{
return isset($this->messages[$domain][$id]);
}
/**
* {@inheritdoc}
*/
public function get($id, $domain = 'messages')
{
if (isset($this->messages[$domain][$id])) {
return $this->messages[$domain][$id];
}
if (null !== $this->fallbackCatalogue) {
return $this->fallbackCatalogue->get($id, $domain);
}
return $id;
}
/**
* {@inheritdoc}
*/
public function replace($messages, $domain = 'messages')
{
$this->messages[$domain] = array();
$this->add($messages, $domain);
}
/**
* {@inheritdoc}
*/
public function add($messages, $domain = 'messages')
{
if (!isset($this->messages[$domain])) {
$this->messages[$domain] = $messages;
} else {
$this->messages[$domain] = array_replace($this->messages[$domain], $messages);
}
}
/**
* {@inheritdoc}
*/
public function addCatalogue(MessageCatalogueInterface $catalogue)
{
if ($catalogue->getLocale() !== $this->locale) {
throw new LogicException(sprintf('Cannot add a catalogue for locale "%s" as the current locale for this catalogue is "%s"', $catalogue->getLocale(), $this->locale));
}
foreach ($catalogue->all() as $domain => $messages) {
$this->add($messages, $domain);
}
foreach ($catalogue->getResources() as $resource) {
$this->addResource($resource);
}
if ($catalogue instanceof MetadataAwareInterface) {
$metadata = $catalogue->getMetadata('', '');
$this->addMetadata($metadata);
}
}
/**
* {@inheritdoc}
*/
public function addFallbackCatalogue(MessageCatalogueInterface $catalogue)
{
// detect circular references
$c = $catalogue;
while ($c = $c->getFallbackCatalogue()) {
if ($c->getLocale() === $this->getLocale()) {
throw new LogicException(sprintf('Circular reference detected when adding a fallback catalogue for locale "%s".', $catalogue->getLocale()));
}
}
$c = $this;
do {
if ($c->getLocale() === $catalogue->getLocale()) {
throw new LogicException(sprintf('Circular reference detected when adding a fallback catalogue for locale "%s".', $catalogue->getLocale()));
}
foreach ($catalogue->getResources() as $resource) {
$c->addResource($resource);
}
} while ($c = $c->parent);
$catalogue->parent = $this;
$this->fallbackCatalogue = $catalogue;
foreach ($catalogue->getResources() as $resource) {
$this->addResource($resource);
}
}
/**
* {@inheritdoc}
*/
public function getFallbackCatalogue()
{
return $this->fallbackCatalogue;
}
/**
* {@inheritdoc}
*/
public function getResources()
{
return array_values($this->resources);
}
/**
* {@inheritdoc}
*/
public function addResource(ResourceInterface $resource)
{
$this->resources[$resource->__toString()] = $resource;
}
/**
* {@inheritdoc}
*/
public function getMetadata($key = '', $domain = 'messages')
{
if ('' == $domain) {
return $this->metadata;
}
if (isset($this->metadata[$domain])) {
if ('' == $key) {
return $this->metadata[$domain];
}
if (isset($this->metadata[$domain][$key])) {
return $this->metadata[$domain][$key];
}
}
}
/**
* {@inheritdoc}
*/
public function setMetadata($key, $value, $domain = 'messages')
{
$this->metadata[$domain][$key] = $value;
}
/**
* {@inheritdoc}
*/
public function deleteMetadata($key = '', $domain = 'messages')
{
if ('' == $domain) {
$this->metadata = array();
} elseif ('' == $key) {
unset($this->metadata[$domain]);
} else {
unset($this->metadata[$domain][$key]);
}
}
/**
* Adds current values with the new values.
*
* @param array $values Values to add
*/
private function addMetadata(array $values)
{
foreach ($values as $domain => $keys) {
foreach ($keys as $key => $value) {
$this->setMetadata($key, $value, $domain);
}
}
}
}
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