openvk/Web/Util/Localizator.php
2020-06-07 19:04:43 +03:00

64 lines
2.1 KiB
PHP

<?php declare(strict_types=1);
namespace openvk\Web\Util;
use Chandler\Patterns\TSimpleSingleton;
class Localizator
{
const DEFAULT_LANG = "ru";
private function __construct() {}
protected function _getIncludes($string): array
{
$includes = [];
$matches = [];
preg_match_all("%^#([A-z]++) <([A-z0-9_ -]+)>$%Xm", $string, $matches);
for($i = 0; $i < sizeof($matches[1]); $i++) {
$directive = $matches[1][$i];
if($directive === "include") {
$includes[] = dirname(__FILE__) . "/../../locales/" . $matches[2][$i] . ".strings";
} else {
trigger_error("Unknown preprocessor directive \"$directive\" in locale file, skipping.
This will throw an error in a future version of Localizator::_getIncludes.", E_USER_DEPRECATED);
}
}
return $includes;
}
protected function parse($file): array
{
$hash = sha1($file);
if(isset($GLOBALS["localizationCache_$hash"])) return $GLOBALS["localizationCache_$hash"];
$string = file_get_contents($file);
$string = preg_replace("%^\%{.*\%}$%m", "", $string); #Remove comments
$array = [];
foreach(preg_split("%;[\\r\\n]++%", $string) as $statement) {
$s = explode(" = ", trim($statement));
try {
$array[eval("return $s[0];")] = eval("return $s[1];");
} catch(\ParseError $ex) {
throw new \ParseError($ex->getMessage(). " near " . $s[0]);
}
}
foreach(self::_getIncludes($string) as $include)
$array = array_merge(@self::parse($include), $array);
$GLOBALS["localizationCache_$hash"] = $array;
return $array;
}
function _($id, $lang = NULL): string
{
$lang = is_null($lang) ? static::DEFAULT_LANG : $lang;
$array = @self::parse(dirname(__FILE__) . "/../../locales/$lang.strings");
return $array[$id] ?? "@$id";
}
use TSimpleSingleton;
}