From 9e80de6d140f2a8643564ec22ca2684e62d2e59c Mon Sep 17 00:00:00 2001
From: Gemorroj <wapinet@mail.ru>
Date: Thu, 4 Jan 2024 14:51:42 +0300
Subject: [PATCH] feature: add EXTGRP tag #28

---
 README.md                 | 10 +++++++
 src/Tag/ExtGrp.php        | 57 +++++++++++++++++++++++++++++++++++++
 src/TagsManagerTrait.php  |  4 ++-
 tests/Tag/ExtGrpTest.php  | 59 +++++++++++++++++++++++++++++++++++++++
 tests/fixtures/extgrp.m3u |  4 +++
 5 files changed, 133 insertions(+), 1 deletion(-)
 create mode 100644 src/Tag/ExtGrp.php
 create mode 100644 tests/Tag/ExtGrpTest.php
 create mode 100644 tests/fixtures/extgrp.m3u

diff --git a/README.md b/README.md
index 9069a7e..9d6816f 100644
--- a/README.md
+++ b/README.md
@@ -106,6 +106,10 @@ foreach ($data as $entry) {
             case $extTag instanceof \M3uParser\Tag\ExtVlcOpt: // If EXTVLCOPT tag
                 echo $extTag->getKey() . ':' . $extTag->getValue() . "\n";
                 break;
+                
+            case $extTag instanceof \M3uParser\Tag\ExtGrp: // If EXTGRP tag
+                echo $extTag->getValue() . "\n";
+                break;
         }
     }
 }
@@ -121,6 +125,7 @@ use M3uParser\Tag\ExtInf;
 use M3uParser\Tag\ExtTv;
 use M3uParser\Tag\ExtLogo;
 use M3uParser\Tag\ExtVlcOpt;
+use M3uParser\Tag\ExtGrp;
 
 $entry = new M3uEntry();
 $entry->setPath('test-path');
@@ -146,6 +151,10 @@ $entry->addExtTag(
         ->setKey('http-user-agent')
         ->setValue('M2uParser')
 );
+$entry->addExtTag(
+    (new ExtGrp())
+        ->setValue('Rock')
+);
 
 $data = new M3uData();
 $data->setAttribute('test-name', 'test-value');
@@ -158,6 +167,7 @@ echo $data;
 #EXTTV:hd,sd;ru;xml-tv-id;https://example.org/icon.png
 #EXTLOGO:https://example.org/logo.png
 #EXTVLCOPT:http-user-agent=M2uParser
+#EXTGRP:Rock
 test-path
 */
 ```
diff --git a/src/Tag/ExtGrp.php b/src/Tag/ExtGrp.php
new file mode 100644
index 0000000..0bffaa2
--- /dev/null
+++ b/src/Tag/ExtGrp.php
@@ -0,0 +1,57 @@
+<?php
+
+namespace M3uParser\Tag;
+
+/**
+ * @see https://github.com/Gemorroj/M3uParser/issues/28
+ */
+class ExtGrp implements ExtTagInterface
+{
+    private string $value;
+
+    /**
+     * #EXTGRP:music.
+     */
+    public function __construct(string $lineStr = null)
+    {
+        if (null !== $lineStr) {
+            $this->make($lineStr);
+        }
+    }
+
+    public function __toString(): string
+    {
+        return '#EXTGRP:'.$this->getValue();
+    }
+
+    public function setValue(string $value): self
+    {
+        $this->value = $value;
+
+        return $this;
+    }
+
+    public function getValue(): string
+    {
+        return $this->value;
+    }
+
+    public static function isMatch(string $lineStr): bool
+    {
+        return 0 === \stripos($lineStr, '#EXTGRP:');
+    }
+
+    protected function make(string $lineStr): void
+    {
+        /*
+EXTGRP format:
+#EXTGRP:<key>
+example:
+#EXTGRP:Rock
+         */
+        $dataLineStr = \substr($lineStr, \strlen('#EXTGRP:'));
+        $dataLineStr = \trim($dataLineStr);
+
+        $this->setValue($dataLineStr);
+    }
+}
diff --git a/src/TagsManagerTrait.php b/src/TagsManagerTrait.php
index fe005a0..f6a6a15 100644
--- a/src/TagsManagerTrait.php
+++ b/src/TagsManagerTrait.php
@@ -2,6 +2,7 @@
 
 namespace M3uParser;
 
+use M3uParser\Tag\ExtGrp;
 use M3uParser\Tag\ExtInf;
 use M3uParser\Tag\ExtLogo;
 use M3uParser\Tag\ExtTagInterface;
@@ -36,7 +37,7 @@ public function addTag(string $tag): self
     }
 
     /**
-     * Add default tags (EXTINF, EXTTV, EXTLOGO, EXTVLCOPT).
+     * Add default tags (EXTINF, EXTTV, EXTLOGO, EXTVLCOPT, EXTGRP).
      */
     public function addDefaultTags(): self
     {
@@ -44,6 +45,7 @@ public function addDefaultTags(): self
         $this->addTag(ExtTv::class);
         $this->addTag(ExtLogo::class);
         $this->addTag(ExtVlcOpt::class);
+        $this->addTag(ExtGrp::class);
 
         return $this;
     }
diff --git a/tests/Tag/ExtGrpTest.php b/tests/Tag/ExtGrpTest.php
new file mode 100644
index 0000000..d58c19b
--- /dev/null
+++ b/tests/Tag/ExtGrpTest.php
@@ -0,0 +1,59 @@
+<?php
+
+namespace M3uParser\Tests\Tag;
+
+use M3uParser\M3uData;
+use M3uParser\M3uEntry;
+use M3uParser\M3uParser;
+use M3uParser\Tag\ExtGrp;
+use M3uParser\Tag\ExtTagInterface;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * @internal
+ *
+ * @coversNothing
+ */
+class ExtGrpTest extends TestCase
+{
+    public function testParseExtGrp(): void
+    {
+        $m3uParser = new M3uParser();
+        $m3uParser->addDefaultTags();
+        $data = $m3uParser->parseFile(__DIR__.'/../fixtures/extgrp.m3u');
+
+        /** @var M3uEntry $entry */
+        $entry = $data[0];
+
+        self::assertEquals('rtp://@127.0.0.1:5003', $entry->getPath());
+
+        /** @var ExtTagInterface[] $extTags */
+        $extTags = $entry->getExtTags();
+        self::assertCount(1, $extTags);
+
+        /** @var ExtGrp $extGrp */
+        $extGrp = $extTags[0];
+        self::assertInstanceOf(ExtGrp::class, $extGrp);
+
+        self::assertEquals('Rock', $extGrp->getValue());
+    }
+
+    public function testGenerateExtGrp(): void
+    {
+        $expectedString = '#EXTM3U'."\n";
+        $expectedString .= '#EXTGRP:Rock'."\n";
+        $expectedString .= 'test-path';
+
+        $entry = new M3uEntry();
+        $entry->setPath('test-path');
+        $entry->addExtTag(
+            (new ExtGrp())
+                ->setValue('Rock')
+        );
+
+        $data = new M3uData();
+        $data->append($entry);
+
+        self::assertEquals($expectedString, (string) $data);
+    }
+}
diff --git a/tests/fixtures/extgrp.m3u b/tests/fixtures/extgrp.m3u
new file mode 100644
index 0000000..0868fd4
--- /dev/null
+++ b/tests/fixtures/extgrp.m3u
@@ -0,0 +1,4 @@
+#EXTM3U
+
+#EXTGRP:Rock
+rtp://@127.0.0.1:5003