Static Class and Helper Functions

.gitignore

@@ -1,3 +1,4 @@
 /vendor/
 /bin/
+/coverage/
 composer.lock

base58.php

@@ -0,0 +1,35 @@
+<?php
+
+use StephenHill\StaticBase58;
+
+if (false === function_exists('base58_encode'))
+{
+    function base58_encode($string)
+    {
+        return StaticBase58::encode($string);
+    }
+}
+
+if (false === function_exists('base58_decode'))
+{
+    function base58_decode($string)
+    {
+        return StaticBase58::decode($string);
+    }
+}
+
+if (false === class_exists('Base58', true))
+{
+    class Base58
+    {
+        public static function encode($string)
+        {
+            return StaticBase58::encode($string);
+        }
+
+        public static function decode($string)
+        {
+            return StaticBase58::decode($string);
+        }
+    }
+}

composer.json

@@ -19,6 +19,9 @@
         "psr-4": {
             "StephenHill\\": "src/",
             "StephenHill\\Benchmarks\\": "benchmarks/"
-        }
+        },
+        "files": [
+            "base58.php"
+        ]
     }
 }

phpunit.xml

@@ -22,9 +22,10 @@
 
 	<filter>
 		<whitelist addUncoveredFilesFromWhitelist="false">
-			<directory suffix=".php">src</directory>
+			<directory suffix=".php">.</directory>
 			<exclude>
 				<directory suffix=".php">vendor</directory>
+				<directory suffix=".php">tests</directory>
 			</exclude>
 		</whitelist>
 	</filter>

src/Base58.php

@@ -87,4 +87,29 @@ public function decode($base58)
     {
         return $this->service->decode($base58);
     }
+
+    /**
+     * Return the current service provider.
+     * 
+     * @since v1.2.0
+     * @return ServiceInterface Return the current service.
+     */
+    public function getService()
+    {
+        return $this->service;
+    }
+
+    /**
+     * Replaces the current service provider with a new one.
+     * 
+     * @param ServiceInterface $service The new service instance.
+     * @since v1.2.0
+     * @return self
+     */
+    public function replaceService(ServiceInterface $service)
+    {
+        $this->service = $service;
+
+        return $this;
+    }
 }

src/StaticBase58.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace StephenHill;
+
+class StaticBase58
+{
+    protected static $instance;
+
+    public static function encode($string)
+    {
+        return self::getInstance()->encode($string);
+    }
+
+    public static function decode($string)
+    {
+        return self::getInstance()->decode($string);
+    }
+
+    public static function getInstance()
+    {
+        if (null === static::$instance)
+        {
+            static::$instance = new Base58();
+        }
+
+        return static::$instance;
+    }
+
+    public static function setInstance(Base58 $base58)
+    {
+        static::$instance = $base58;
+    }
+}

tests/Base58Test.php

@@ -111,4 +111,17 @@ public function testInvalidBase58()
         $base58 = new Base58();
         $base58->decode("This isn't valid base58");
     }
+
+    public function testGetAndReplaceService()
+    {
+        $bcMath = new BCMathService();
+        $gmp = new GMPService();
+        $base58 = new Base58();
+
+        $base58->replaceService($bcMath);
+        $this->assertSame($bcMath, $base58->getService());
+
+        $base58->replaceService($gmp);
+        $this->assertSame($gmp, $base58->getService());
+    }
 }

tests/StaticTest.php

@@ -0,0 +1,27 @@
+<?php
+
+use StephenHill\StaticBase58;
+
+class StaticTests extends PHPUnit_Framework_TestCase
+{
+    public function testStaticClass()
+    {
+        $this->assertSame('JxF12TrwUP45BMd', StaticBase58::encode('Hello World'));
+        $this->assertSame('Hello World', StaticBase58::decode('JxF12TrwUP45BMd'));
+    }
+
+    public function testNamespacelessClass()
+    {
+        $this->assertTrue(class_exists('Base58', true));
+        $this->assertSame('JxF12TrwUP45BMd', Base58::encode('Hello World'));
+        $this->assertSame('Hello World', Base58::decode('JxF12TrwUP45BMd'));
+    }
+
+    public function testFunctions()
+    {
+        $this->assertTrue(function_exists('base58_encode'));
+        $this->assertTrue(function_exists('base58_decode'));
+        $this->assertSame('JxF12TrwUP45BMd', base58_encode('Hello World'));
+        $this->assertSame('Hello World', base58_decode('JxF12TrwUP45BMd'));
+    }
+}

tests/bootstrap.php

@@ -1,4 +1,5 @@
 <?php
 
 require_once 'vendor/autoload.php';
+require_once 'base58.php';
 date_default_timezone_set("UTC");