Remove the commerceguys/enum dependency. Fixes #98.

composer.json

@@ -6,8 +6,7 @@
     "license": "MIT",
     "require": {
         "php": ">=5.5.0",
-        "doctrine/collections": "~1.0",
-        "commerceguys/enum": "~1.0"
+        "doctrine/collections": "~1.0"
     },
     "require-dev": {
         "symfony/validator": ">=3.2",

src/AbstractEnum.php

@@ -0,0 +1,87 @@
+<?php
+
+namespace CommerceGuys\Addressing;
+
+/**
+ * Base class for enumerations.
+ */
+abstract class AbstractEnum
+{
+    /**
+     * Static cache of available values, shared with all subclasses.
+     *
+     * @var array
+     */
+    protected static $values = [];
+
+    private function __construct()
+    {
+    }
+
+    /**
+     * Gets all available values.
+     *
+     * @return array The available values, keyed by constant.
+     */
+    public static function getAll()
+    {
+        $class = get_called_class();
+        if (!isset(static::$values[$class])) {
+            $reflection = new \ReflectionClass($class);
+            static::$values[$class] = $reflection->getConstants();
+        }
+
+        return static::$values[$class];
+    }
+
+    /**
+     * Gets the key of the provided value.
+     *
+     * @param string $value The value.
+     *
+     * @return bool The key if found, false otherwise.
+     */
+    public static function getKey($value)
+    {
+        return array_search($value, static::getAll(), true);
+    }
+
+    /**
+     * Checks whether the provided value is defined.
+     *
+     * @param string $value The value.
+     *
+     * @return bool True if the value is defined, false otherwise.
+     */
+    public static function exists($value)
+    {
+        return in_array($value, static::getAll(), true);
+    }
+
+    /**
+     * Asserts that the provided value is defined.
+     *
+     * @param string $value The value.
+     *
+     * @throws \InvalidArgumentException
+     */
+    public static function assertExists($value)
+    {
+        if (static::exists($value) == false) {
+            $class = substr(strrchr(get_called_class(), '\\'), 1);
+            throw new \InvalidArgumentException(sprintf('"%s" is not a valid %s value.', $value, $class));
+        }
+    }
+
+    /**
+     * Asserts that all provided valus are defined.
+     *
+     * @param array $values The values.
+     */
+    public static function assertAllExist(array $values)
+    {
+        foreach ($values as $value) {
+            static::assertExists($value);
+        }
+    }
+}

src/AddressFormat/AddressField.php

@@ -2,7 +2,7 @@
 
 namespace CommerceGuys\Addressing\AddressFormat;
 
-use CommerceGuys\Enum\AbstractEnum;
+use CommerceGuys\Addressing\AbstractEnum;
 
 /**
  * Enumerates available address fields.

src/AddressFormat/AdministrativeAreaType.php

@@ -2,7 +2,7 @@
 
 namespace CommerceGuys\Addressing\AddressFormat;
 
-use CommerceGuys\Enum\AbstractEnum;
+use CommerceGuys\Addressing\AbstractEnum;
 
 /**
  * Enumerates available administrative area types.

src/AddressFormat/DependentLocalityType.php

@@ -2,7 +2,7 @@
 
 namespace CommerceGuys\Addressing\AddressFormat;
 
-use CommerceGuys\Enum\AbstractEnum;
+use CommerceGuys\Addressing\AbstractEnum;
 
 /**
  * Enumerates available dependent locality types.

src/AddressFormat/LocalityType.php

@@ -2,7 +2,7 @@
 
 namespace CommerceGuys\Addressing\AddressFormat;
 
-use CommerceGuys\Enum\AbstractEnum;
+use CommerceGuys\Addressing\AbstractEnum;
 
 /**
  * Enumerates available locality types.

src/AddressFormat/PostalCodeType.php

@@ -2,7 +2,7 @@
 
 namespace CommerceGuys\Addressing\AddressFormat;
 
-use CommerceGuys\Enum\AbstractEnum;
+use CommerceGuys\Addressing\AbstractEnum;
 
 /**
  * Enumerates available postal code types.

src/Subdivision/PatternType.php

@@ -2,7 +2,7 @@
 
 namespace CommerceGuys\Addressing\Subdivision;
 
-use CommerceGuys\Enum\AbstractEnum;
+use CommerceGuys\Addressing\AbstractEnum;
 
 /**
  * Enumerates available pattern types.

tests/AbstractEnumTest.php

@@ -0,0 +1,67 @@
+<?php
+
+namespace CommerceGuys\Addressing\Tests;
+
+use CommerceGuys\Addressing\Subdivision\PatternType;
+
+/**
+ * @coversDefaultClass \CommerceGuys\Addressing\AbstractEnum
+ */
+class AbstractEnumTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @covers ::getAll
+     */
+    public function testGetAll()
+    {
+        $expectedValues = ['FULL' => 'full', 'START' => 'start'];
+        $values = PatternType::getAll();
+        $this->assertEquals($expectedValues, $values);
+    }
+
+    /**
+     * @covers ::getKey
+     */
+    public function testGetKey()
+    {
+        $key = PatternType::getKey('full');
+        $this->assertEquals('FULL', $key);
+
+        $key = PatternType::getKey('invalid');
+        $this->assertEquals(false, $key);
+    }
+
+    /**
+     * @covers ::exists
+     */
+    public function testExists()
+    {
+        $result = PatternType::exists('start');
+        $this->assertEquals(true, $result);
+
+        $result = PatternType::exists('invalid');
+        $this->assertEquals(false, $result);
+    }
+
+    /**
+     * @covers ::assertExists
+     *
+     * @expectedException \InvalidArgumentException
+     * @expectedExceptionMessage "invalid" is not a valid PatternType value.
+     */
+    public function testAssertExists()
+    {
+        $result = PatternType::assertExists('invalid');
+    }
+
+    /**
+     * @covers ::assertAllExist
+     *
+     * @expectedException \InvalidArgumentException
+     * @expectedExceptionMessage "invalid" is not a valid PatternType value.
+     */
+    public function testAssertAllExist()
+    {
+        $result = PatternType::assertAllExist(['start', 'invalid']);
+    }
+}