From fbba757d05a67261802ad94d7ff292aa3d1bcd7f Mon Sep 17 00:00:00 2001
From: Konstantin Grachev <me@grachevko.ru>
Date: Mon, 1 Feb 2021 12:58:33 +0300
Subject: [PATCH] Add methods for UInt32LE

---
 src/ByteBuffer.php       | 34 ++++++++++++++++++++++++++++++++++
 tests/ByteBufferTest.php | 15 +++++++++++++++
 2 files changed, 49 insertions(+)

diff --git a/src/ByteBuffer.php b/src/ByteBuffer.php
index 16924f6..8e693f3 100644
--- a/src/ByteBuffer.php
+++ b/src/ByteBuffer.php
@@ -438,6 +438,40 @@ public function consumeUint32(): int
             return $r;
         }
 
+        /**
+         * @param int $value
+         *
+         * @return static
+         */
+        public function appendUint32LE(int $value): self
+        {
+            return $this->append(\pack("V", $value));
+        }
+
+        /**
+         * @param int $offset
+         *
+         * @return int
+         * @throws BufferOverflow
+         */
+        public function readUint32LE(int $offset = 0): int
+        {
+            return \unpack("V", $this->read(4, $offset))[1];
+        }
+
+        /**
+         * @return int
+         * @throws BufferOverflow
+         */
+        public function consumeUint32LE(): int
+        {
+            $r = \unpack("V", $this->data)[1];
+
+            $this->discard(4);
+
+            return $r;
+        }
+
         /**
          * @param int $value
          *
diff --git a/tests/ByteBufferTest.php b/tests/ByteBufferTest.php
index 0c852ed..8061dd8 100644
--- a/tests/ByteBufferTest.php
+++ b/tests/ByteBufferTest.php
@@ -321,6 +321,11 @@ public function testReadUint32()
         self::assertEquals(0xA9782361, (new Buffer("\xA9\x78\x23\x61"))->readUint32());
     }
 
+    public function testReadUint32LE()
+    {
+        self::assertEquals(0xA9782361, (new Buffer("\x61\x23\x78\xA9"))->readUint32LE());
+    }
+
     public function testReadInt32()
     {
         self::assertEquals(0xA9782361 - 0x100000000, (new Buffer("\xA9\x78\x23\x61"))->readInt32());
@@ -331,6 +336,11 @@ public function testConsumeUint32()
         self::assertEquals(0xA9782361, (new Buffer("\xA9\x78\x23\x61"))->consumeUint32());
     }
 
+    public function testConsumeUint32LE()
+    {
+        self::assertEquals(0xA9782361, (new Buffer("\x61\x23\x78\xA9"))->consumeUint32LE());
+    }
+
     public function testConsumeInt32()
     {
         self::assertEquals(0xA9782361 - 0x100000000, (new Buffer("\xA9\x78\x23\x61"))->consumeInt32());
@@ -341,6 +351,11 @@ public function testAppendUint32()
         self::assertEquals("\xA9\x78\x23\x61", (new Buffer)->appendUint32(0xA9782361)->read(4));
     }
 
+    public function testAppendUint32LE()
+    {
+        self::assertEquals("\x61\x23\x78\xA9", (new Buffer)->appendUint32LE(0xA9782361)->read(4));
+    }
+
     public function testAppendInt32()
     {
         self::assertEquals("\xA9\x78\x23\x61", (new Buffer)->appendInt32(0xA9782361)->read(4));