Merge pull request #2 from heyupdate/feature/replace-with-name

Add methods for converting emojis from unicode to named and back.
heyupdate · May 21, 2016 · c0c4f1d · c0c4f1d
2 parents 0bb654d + 2ef2793
commit c0c4f1d
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Showing 3 changed files with 40 additions and 4 deletions.
diff --git a/src/Emoji.php b/src/Emoji.php
@@ -68,6 +68,28 @@ public function replaceEmojiWithImages($string)
         return $string;
     }
 
+    public function replaceNamedWithUnicode($string)
+    {
+        $index = $this->getIndex();
+
+        return preg_replace_callback($index->getEmojiNameRegex(), function ($matches) use ($index) {
+            $emoji = $index->findByName($matches[1]);
+
+            return $index->convertUnicodeToString($emoji['unicode']);
+        }, $string);
+    }
+
+    public function replaceUnicodeWithNamed($string)
+    {
+        $index = $this->getIndex();
+
+        return preg_replace_callback($index->getEmojiUnicodeRegex(), function ($matches) use ($index) {
+            $emoji = $index->findByUnicode($matches[0]);
+
+            return ':'.$emoji['name'].':';
+        }, $string);
+    }
+
     public function countEmoji($string)
     {
         $index = $this->getIndex();

diff --git a/src/EmojiIndex.php b/src/EmojiIndex.php
@@ -113,7 +113,7 @@ public function getEmojiNameRegex()
         return $this->emojiNameRegex;
     }
 
-    private function convertUnicodeToString($cp)
+    public function convertUnicodeToString($cp)
     {
         $cp = hexdec($cp);
 

diff --git a/tests/EmojiTest.php b/tests/EmojiTest.php
@@ -15,18 +15,32 @@ public function setUp()
     public function testEmojiReplacesUnicodeEmojiWithImage()
     {
         $replacedString = $this->emoji->replaceEmojiWithImages('I ❤ Emoji');
-        $this->assertEquals('I <img alt=":heart:" class="emoji" src="http://twemoji.maxcdn.com/36x36/2764.png"> Emoji', $replacedString);
+        $this->assertSame('I <img alt=":heart:" class="emoji" src="http://twemoji.maxcdn.com/36x36/2764.png"> Emoji', $replacedString);
     }
 
     public function testEmojiReplacesNamedEmojiWithImage()
     {
         $replacedString = $this->emoji->replaceEmojiWithImages('Merry Christmas :santa:');
-        $this->assertEquals('Merry Christmas <img alt=":santa:" class="emoji" src="http://twemoji.maxcdn.com/36x36/1f385.png">', $replacedString);
+        $this->assertSame('Merry Christmas <img alt=":santa:" class="emoji" src="http://twemoji.maxcdn.com/36x36/1f385.png">', $replacedString);
+    }
+
+    public function testReplaceNamedWithUnicode()
+    {
+        $replacedString = $this->emoji->replaceNamedWithUnicode('I :heart: Emoji');
+
+        $this->assertSame('I ❤ Emoji', $replacedString);
+    }
+
+    public function testReplaceUnicodeWithNamed()
+    {
+        $replacedString = $this->emoji->replaceUnicodeWithNamed('I ❤ Emoji');
+
+        $this->assertSame('I :heart: Emoji', $replacedString);
     }
 
     public function testCountEmojiWithoutAnyEmoji()
     {
-        $this->assertEquals(0, $this->emoji->countEmoji('This does not contain any emoji'));
+        $this->assertSame(0, $this->emoji->countEmoji('This does not contain any emoji'));
     }
 
     public function testCountEmojiWithEmoji()