Add src files for CoreLibs composer all package

2023-02-16 12:47:43 +09:00
commit cfcd601b3a
76 changed files with 25404 additions and 0 deletions
--- a/src/Language/GetLocale.php
+++ b/src/Language/GetLocale.php
@@ -0,0 +1,117 @@
+<?php
+
+/*
+ * Internal function for getting locale and encodig settings
+ * used for new locale layout
+ */
+
+declare(strict_types=1);
+
+namespace CoreLibs\Language;
+
+class GetLocale
+{
+	/**
+	 * returns locale, lang, domain, encoding, path
+	 * from either parameter set or from sessions/config variables
+	 *
+	 * @param  string|null $locale   override auto detect
+	 * @param  string|null $domain   override domain
+	 * @param  string|null $encoding override encoding
+	 * @param  string|null $path     override path
+	 * @return array<string,string>  locale, domain, encoding, path
+	 */
+	public static function setLocale(
+		?string $locale = null,
+		?string $domain = null,
+		?string $encoding = null,
+		?string $path = null
+	): array {
+		// locale must match at least basic rules
+		if (
+			empty($locale) ||
+			!preg_match("/^[-A-Za-z0-9_.@]+$/", $locale)
+		) {
+			if (!empty($_SESSION['DEFAULT_LOCALE'])) {
+				// parse from session (logged in)
+				$locale = $_SESSION['DEFAULT_LOCALE'];
+			} else {
+				// else parse from site locale
+				$locale = defined('SITE_LOCALE') && !empty(SITE_LOCALE) ?
+					SITE_LOCALE :
+					// else parse from default, if not 'en'
+					/** @phpstan-ignore-next-line DEFAULT_LOCALE could be empty */
+					(defined('DEFAULT_LOCALE') && !empty(DEFAULT_LOCALE) ?
+						DEFAULT_LOCALE : 'en');
+			}
+		}
+		// if domain is set, must be alphanumeric, if not unset
+		if (
+			empty($domain) ||
+			!preg_match("/^\w+$/", $domain)
+		) {
+			// if no domain is set, fall back to content path
+			$domain = str_replace('/', '', CONTENT_PATH);
+		}
+		// check that override encoding matches locale encoding
+		// if locale encoding is set
+		preg_match('/(?:\\.(?P<charset>[-A-Za-z0-9_]+))/', $locale, $matches);
+		$locale_encoding = $matches['charset'] ?? null;
+		if (
+			// empty encoding
+			empty($encoding) ||
+			// not valid encoding
+			!preg_match("/^[-A-Za-z0-9_]+$/", $encoding) ||
+			// locale encoding set and not matching to encoding
+			(!empty($locale_encoding) && $encoding != $locale_encoding)
+		) {
+			if (!empty($locale_encoding)) {
+				$encoding = strtoupper($locale_encoding);
+			} elseif (!empty($_SESSION['DEFAULT_CHARSET'])) {
+				// else set from session
+				$encoding = $_SESSION['DEFAULT_CHARSET'];
+			} else {
+				// else set from site encoding
+				$encoding = defined('SITE_ENCODING') && !empty(SITE_ENCODING) ?
+					SITE_ENCODING :
+					// or default encoding, if not 'UTF-8'
+					/** @phpstan-ignore-next-line DEFAULT_LOCALE could be empty */
+					(defined('DEFAULT_ENCODING') && !empty(DEFAULT_ENCODING) ?
+						DEFAULT_ENCODING : 'UTF-8');
+			}
+		}
+		// path checks if set, if not valid path unset to default BASE path
+		if (
+			empty($path) ||
+			!is_dir($path)
+		) {
+			$path = BASE . INCLUDES . LOCALE;
+		}
+		// extract lang & country from locale string, else set to en
+		if (
+			preg_match(
+				// lang
+				'/^(?P<lang>[a-z]{2,3})'
+				// country code
+				. '(?:_(?P<country>[A-Z]{2}))?/',
+				$locale,
+				$matches
+			)
+		) {
+			$lang = ($matches['lang'] ?? 'en')
+				// add country only if set
+				. (!empty($matches['country']) ? '_' . $matches['country'] : '');
+		} else {
+			$lang = 'en';
+		}
+		return [
+			'locale' => $locale,
+			'lang' => $lang,
+			'domain' => $domain,
+			'encoding' => $encoding,
+			'path' => $path,
+		];
+	}
+}
+
+// __END__