first commit

2025-11-28 10:08:12 +08:00
commit 09a14bf0a3
1088 changed files with 145132 additions and 0 deletions
@@ -0,0 +1,48 @@
+<?php
+
+namespace Mdanter\Ecc\Math;
+
+class MathAdapterFactory
+{
+    /**
+     * @var GmpMathInterface
+     */
+    private static $forcedAdapter = null;
+
+    /**
+     * @param GmpMathInterface $adapter
+     */
+    public static function forceAdapter(GmpMathInterface $adapter = null)
+    {
+        self::$forcedAdapter = $adapter;
+    }
+
+    /**
+     * @param bool $debug
+     * @return DebugDecorator|GmpMathInterface|null
+     */
+    public static function getAdapter(bool $debug = false): GmpMathInterface
+    {
+        if (self::$forcedAdapter !== null) {
+            return self::$forcedAdapter;
+        }
+
+        $adapter = new GmpMath();
+
+        return self::wrapAdapter($adapter, $debug);
+    }
+
+    /**
+     * @param GmpMathInterface $adapter
+     * @param bool $debug
+     * @return DebugDecorator|GmpMathInterface
+     */
+    private static function wrapAdapter(GmpMathInterface $adapter, bool $debug): GmpMathInterface
+    {
+        if ($debug === true) {
+            return new DebugDecorator($adapter);
+        }
+
+        return $adapter;
+    }
+}