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Update DeepLTranslator.php #2

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63 changes: 57 additions & 6 deletions src/DeepLTranslator.php
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,8 @@
* @method en2zh(string $string, bool $type = self::TYPE_FORMAT):array|string
* @method en2zh_tw(string $string, bool $type = self::TYPE_FORMAT):array|string
* @method zh_tw2en(string $string, bool $type = self::TYPE_FORMAT):array|string
* @method en2zhHant(string $string, bool $type = self::TYPE_FORMAT):array|string
* @method en2zh_hant(string $string, bool $type = self::TYPE_FORMAT):array|string
*/
class DeepLTranslator
{
Expand Down Expand Up @@ -39,6 +41,8 @@ class DeepLTranslator
'AUTO', 'AR', 'BG', 'CS', 'DA', 'DE', 'EL', 'EN', 'ES', 'ET', 'FI', 'FR', 'HU',
'ID', 'IT', 'JA', 'KO', 'LT', 'LV', 'NB', 'NL', 'PL', 'PT', 'RO', 'RU', 'SK',
'SL', 'SV', 'TR', 'UK', 'ZH', 'ZH-TW',
// common alternative representations
'ZH-HANT', 'ZH_HANT', 'ZH_TW', 'ZH-CN', 'ZH_CN'
];

/**
Expand All @@ -60,7 +64,6 @@ class DeepLTranslator

public function __construct(int $timeout = 5)
{

$this->timeout = $timeout;
}

Expand All @@ -78,11 +81,23 @@ public static function withoutVerifying(): DeepLTranslator
*/
public function __call(string $method, array $args)
{
[$from, $to] = explode('2', $method);
// allow method styles like en2zhHant, en2zh-hant, en2zh_hant, en2zh_hant, etc.
// insert hyphen before capital letters so zhHant -> zh-Hant, zhHANT -> zh-HANT
$method = preg_replace('/([a-z])([A-Z])/', '$1-$2', $method);

if (strpos($method, '2') === false) {
throw new Exception('invalid method name', __LINE__);
}

[$from, $to] = explode('2', $method, 2);

// normalize separators and case; translate() will upper-case and canonicalize
$from = str_replace('_', '-', strtolower($from));
$to = str_replace('_', '-', strtolower($to));

return $this->translate(
$args[0], str_replace('_', '-', $to),
str_replace('_', '-', $from)
$args[0], $to,
$from
)
->result(isset($args[1]) && $args[1] == self::TYPE_JSON ? self::TYPE_JSON : self::TYPE_FORMAT);
}
Expand All @@ -98,8 +113,11 @@ public function translate(string $query, string $to, string $from = 'auto'): Dee
if (empty($from) || empty($to)) {
throw new Exception('params error', __LINE__);
}
$from = strtoupper($from);
$to = strtoupper($to);

// Normalize language codes (accept zh-hant, zh_hant, zh-tw, zh_tw, zh, zh-cn, etc.)
$from = $this->normalizeLangCode($from);
$to = $this->normalizeLangCode($to);

$targetLang = in_array($to, $this->langMap, true) ? $to : 'auto';
$sourceLang = in_array($from, $this->langMap, true) ? $from : 'auto';
if ($targetLang == $sourceLang) {
Expand All @@ -121,6 +139,39 @@ public function translate(string $query, string $to, string $from = 'auto'): Dee
return $this;
}

/**
* Normalize various language code variations into the canonical codes used internally.
* Examples:
* - zh-hant, zh_hant, zh-hant -> ZH-TW
* - zh-tw, zh_tw -> ZH-TW
* - zh, zh-cn -> ZH
*
* @param string $lang
* @return string
*/
private function normalizeLangCode(string $lang): string
{
$normalized = strtoupper(str_replace('_', '-', trim($lang)));

// Accept common full forms like 'ZH-HANT', 'ZH-TW', 'ZH_TW', 'ZH-CN', etc.
if (strpos($normalized, 'ZH') === 0 || $normalized === 'TW') {
// if contains HANT or TW -> treat as Traditional Chinese (ZH-TW)
if (strpos($normalized, 'HANT') !== false || strpos($normalized, '-HANT') !== false || strpos($normalized, '-TW') !== false || $normalized === 'TW' || preg_match('/^ZH-T.*/', $normalized)) {
return 'ZH-TW';
}

// if it's explicit CN (or contains CN) -> ZH
if (strpos($normalized, 'CN') !== false || strpos($normalized, '-CN') !== false) {
return 'ZH';
}

// default ZH (Simplified)
return 'ZH';
}

return $normalized;
}

/**
* @param int $type 0:format 1:json string 2:array
* @return array|string
Expand Down