Primer commit del sistema separado falta mejorar mucho

vendor/ratchet/rfc6455/src/Messaging/Message.php

@@ -0,0 +1,126 @@
+<?php
+namespace Ratchet\RFC6455\Messaging;
+
+class Message implements \IteratorAggregate, MessageInterface {
+    private \SplDoublyLinkedList $_frames;
+
+    private int $len;
+
+    public function __construct() {
+        $this->_frames = new \SplDoublyLinkedList;
+        $this->len = 0;
+    }
+
+    public function getIterator(): \Traversable {
+        return $this->_frames;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function count(): int {
+        return count($this->_frames);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function isCoalesced(): bool {
+        if (count($this->_frames) == 0) {
+            return false;
+        }
+
+        $last = $this->_frames->top();
+
+        return $last->isCoalesced() && $last->isFinal();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function addFrame(FrameInterface $fragment): MessageInterface {
+        $this->len += $fragment->getPayloadLength();
+        $this->_frames->push($fragment);
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getOpcode(): int {
+        if (count($this->_frames) == 0) {
+            throw new \UnderflowException('No frames have been added to this message');
+        }
+
+        return $this->_frames->bottom()->getOpcode();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getPayloadLength(): int {
+        return $this->len;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getPayload(): string {
+        if (!$this->isCoalesced()) {
+            throw new \UnderflowException('Message has not been put back together yet');
+        }
+
+        return $this->__toString();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getContents(): string {
+        if (!$this->isCoalesced()) {
+            throw new \UnderflowException("Message has not been put back together yet");
+        }
+
+        $buffer = '';
+
+        foreach ($this->_frames as $frame) {
+            $buffer .= $frame->getContents();
+        }
+
+        return $buffer;
+    }
+
+    public function __toString(): string {
+        $buffer = '';
+
+        foreach ($this->_frames as $frame) {
+            $buffer .= $frame->getPayload();
+        }
+
+        return $buffer;
+    }
+
+    /**
+     * @return boolean
+     */
+    public function isBinary(): bool {
+        if ($this->_frames->isEmpty()) {
+            throw new \UnderflowException('Not enough data has been received to determine if message is binary');
+        }
+
+        return Frame::OP_BINARY === $this->_frames->bottom()->getOpcode();
+    }
+
+    /**
+     * @return boolean
+     */
+    public function getRsv1(): bool {
+        if ($this->_frames->isEmpty()) {
+            return false;
+            //throw new \UnderflowException('Not enough data has been received to determine if message is binary');
+        }
+
+        return $this->_frames->bottom()->getRsv1();
+    }
+}