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<?php
/**
* Piwik - free/libre analytics platform
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
*/
namespace Piwik\Translate\Filter;
/**
*/
class ByParameterCount extends FilterAbstract
{
protected $baseTranslations = array();
/**
* Sets base translations
*
* @param array $baseTranslations
*/
public function __construct($baseTranslations = array())
{
$this->baseTranslations = $baseTranslations;
}
/**
* Removes all translations where the placeholder parameter count differs to base translation
*
* @param array $translations
*
* @return array filtered translations
*/
public function filter($translations)
{
$cleanedTranslations = array();
foreach ($translations as $pluginName => $pluginTranslations) {
foreach ($pluginTranslations as $key => $translation) {
if (isset($this->baseTranslations[$pluginName][$key])) {
$baseTranslation = $this->baseTranslations[$pluginName][$key];
} else {
$baseTranslation = '';
}
// ensure that translated strings have the same number of %s as the english source strings
$baseCount = $this->_getParametersCountToReplace($baseTranslation);
$translationCount = $this->_getParametersCountToReplace($translation);
if ($baseCount != $translationCount) {
$this->filteredData[$pluginName][$key] = $translation;
continue;
}
$cleanedTranslations[$pluginName][$key] = $translation;
}
}
return $cleanedTranslations;
}
/**
* Counts the placeholder parameters n given string
*
* @param string $string
* @return array
*/
protected function _getParametersCountToReplace($string)
{
$sprintfParameters = array('%s', '%1$s', '%2$s', '%3$s', '%4$s', '%5$s', '%6$s', '%7$s', '%8$s', '%9$s');
$count = array();
foreach ($sprintfParameters as $parameter) {
$placeholderCount = substr_count($string, $parameter);
if ($placeholderCount > 0) {
$count[$parameter] = $placeholderCount;
}
}
return $count;
}
}
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