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<?php

require_once __DIR__ . '/plural-forms.php';
require_once __DIR__ . '/entry.php';
if (!class_exists('Translations', false)) {
    class Translations
    {
        public $entries = array();
        public $headers = array();
        function add_entry($entry)
        {
            if (is_array($entry)) {
                $entry = new Translation_Entry($entry);
            }
            $key = $entry->key();
            if (false === $key) {
                return false;
            }
            $this->entries[$key] =& $entry;
            return true;
        }
        function add_entry_or_merge($entry)
        {
            if (is_array($entry)) {
                $entry = new Translation_Entry($entry);
            }
            $key = $entry->key();
            if (false === $key) {
                return false;
            }
            if (isset($this->entries[$key])) {
                $this->entries[$key]->merge_with($entry);
            } else {
                $this->entries[$key] =& $entry;
            }
            return true;
        }
        function set_header($header, $value)
        {
            $this->headers[$header] = $value;
        }
        function set_headers($headers)
        {
            foreach ($headers as $header => $value) {
                $this->set_header($header, $value);
            }
        }
        function get_header($header)
        {
            return isset($this->headers[$header]) ? $this->headers[$header] : false;
        }
        function translate_entry(&$entry)
        {
            $key = $entry->key();
            return isset($this->entries[$key]) ? $this->entries[$key] : false;
        }
        function translate($singular, $context = null)
        {
            $entry = new Translation_Entry(array('singular' => $singular, 'context' => $context));
            $translated = $this->translate_entry($entry);
            return $translated && !empty($translated->translations) ? $translated->translations[0] : $singular;
        }
        function select_plural_form($count)
        {
            return 1 == $count ? 0 : 1;
        }
        function get_plural_forms_count()
        {
            return 2;
        }
        function translate_plural($singular, $plural, $count, $context = null)
        {
            $entry = new Translation_Entry(array('singular' => $singular, 'plural' => $plural, 'context' => $context));
            $translated = $this->translate_entry($entry);
            $index = $this->select_plural_form($count);
            $total_plural_forms = $this->get_plural_forms_count();
            if ($translated && 0 <= $index && $index < $total_plural_forms && is_array($translated->translations) && isset($translated->translations[$index])) {
                return $translated->translations[$index];
            } else {
                return 1 == $count ? $singular : $plural;
            }
        }
        function merge_with(&$other)
        {
            foreach ($other->entries as $entry) {
                $this->entries[$entry->key()] = $entry;
            }
        }
        function merge_originals_with(&$other)
        {
            foreach ($other->entries as $entry) {
                if (!isset($this->entries[$entry->key()])) {
                    $this->entries[$entry->key()] = $entry;
                } else {
                    $this->entries[$entry->key()]->merge_with($entry);
                }
            }
        }
    }
    class Gettext_Translations extends Translations
    {
        function gettext_select_plural_form($count)
        {
            if (!isset($this->_gettext_select_plural_form) || is_null($this->_gettext_select_plural_form)) {
                list($nplurals, $expression) = $this->nplurals_and_expression_from_header($this->get_header('Plural-Forms'));
                $this->_nplurals = $nplurals;
                $this->_gettext_select_plural_form = $this->make_plural_form_function($nplurals, $expression);
            }
            return call_user_func($this->_gettext_select_plural_form, $count);
        }
        function nplurals_and_expression_from_header($header)
        {
            if (preg_match('/^\\s*nplurals\\s*=\\s*(\\d+)\\s*;\\s+plural\\s*=\\s*(.+)$/', $header, $matches)) {
                $nplurals = (int) $matches[1];
                $expression = trim($matches[2]);
                return array($nplurals, $expression);
            } else {
                return array(2, 'n != 1');
            }
        }
        function make_plural_form_function($nplurals, $expression)
        {
            try {
                $handler = new Plural_Forms(rtrim($expression, ';'));
                return array($handler, 'get');
            } catch (Exception $e) {
                return $this->make_plural_form_function(2, 'n != 1');
            }
        }
        function parenthesize_plural_exression($expression)
        {
            $expression .= ';';
            $res = '';
            $depth = 0;
            for ($i = 0; $i < strlen($expression); ++$i) {
                $char = $expression[$i];
                switch ($char) {
                    case '?':
                        $res .= ' ? (';
                        $depth++;
                        break;
                    case ':':
                        $res .= ') : (';
                        break;
                    case ';':
                        $res .= str_repeat(')', $depth) . ';';
                        $depth = 0;
                        break;
                    default:
                        $res .= $char;
                }
            }
            return rtrim($res, ';');
        }
        function make_headers($translation)
        {
            $headers = array();
            $translation = str_replace('\\n', "\n", $translation);
            $lines = explode("\n", $translation);
            foreach ($lines as $line) {
                $parts = explode(':', $line, 2);
                if (!isset($parts[1])) {
                    continue;
                }
                $headers[trim($parts[0])] = trim($parts[1]);
            }
            return $headers;
        }
        function set_header($header, $value)
        {
            parent::set_header($header, $value);
            if ('Plural-Forms' === $header) {
                list($nplurals, $expression) = $this->nplurals_and_expression_from_header($this->get_header('Plural-Forms'));
                $this->_nplurals = $nplurals;
                $this->_gettext_select_plural_form = $this->make_plural_form_function($nplurals, $expression);
            }
        }
    }
}
if (!class_exists('NOOP_Translations', false)) {
    class NOOP_Translations
    {
        public $entries = array();
        public $headers = array();
        function add_entry($entry)
        {
            return true;
        }
        function set_header($header, $value)
        {
        }
        function set_headers($headers)
        {
        }
        function get_header($header)
        {
            return false;
        }
        function translate_entry(&$entry)
        {
            return false;
        }
        function translate($singular, $context = null)
        {
            return $singular;
        }
        function select_plural_form($count)
        {
            return 1 == $count ? 0 : 1;
        }
        function get_plural_forms_count()
        {
            return 2;
        }
        function translate_plural($singular, $plural, $count, $context = null)
        {
            return 1 == $count ? $singular : $plural;
        }
        function merge_with(&$other)
        {
        }
    }
}