1 files changed, 167 insertions, 0 deletions
diff --git a/vendor/ringcentral/psr7/src/MessageTrait.php b/vendor/ringcentral/psr7/src/MessageTrait.php
new file mode 100644
index 0000000..9330bcb
--- /dev/null
+++ b/vendor/ringcentral/psr7/src/MessageTrait.php
@@ -0,0 +1,167 @@
+<?php
+namespace RingCentral\Psr7;
+
+use Psr\Http\Message\StreamInterface;
+
+/**
+ * Trait implementing functionality common to requests and responses.
+ */
+abstract class MessageTrait
+{
+    /** @var array Cached HTTP header collection with lowercase key to values */
+    protected $headers = array();
+
+    /** @var array Actual key to list of values per header. */
+    protected $headerLines = array();
+
+    /** @var string */
+    protected $protocol = '1.1';
+
+    /** @var StreamInterface */
+    protected $stream;
+
+    public function getProtocolVersion()
+    {
+        return $this->protocol;
+    }
+
+    public function withProtocolVersion($version)
+    {
+        if ($this->protocol === $version) {
+            return $this;
+        }
+
+        $new = clone $this;
+        $new->protocol = $version;
+        return $new;
+    }
+
+    public function getHeaders()
+    {
+        return $this->headerLines;
+    }
+
+    public function hasHeader($header)
+    {
+        return isset($this->headers[strtolower($header)]);
+    }
+
+    public function getHeader($header)
+    {
+        $name = strtolower($header);
+        return isset($this->headers[$name]) ? $this->headers[$name] : array();
+    }
+
+    public function getHeaderLine($header)
+    {
+        return implode(', ', $this->getHeader($header));
+    }
+
+    public function withHeader($header, $value)
+    {
+        $new = clone $this;
+        $header = trim($header);
+        $name = strtolower($header);
+
+        if (!is_array($value)) {
+            $new->headers[$name] = array(trim($value));
+        } else {
+            $new->headers[$name] = $value;
+            foreach ($new->headers[$name] as &$v) {
+                $v = trim($v);
+            }
+        }
+
+        // Remove the header lines.
+        foreach (array_keys($new->headerLines) as $key) {
+            if (strtolower($key) === $name) {
+                unset($new->headerLines[$key]);
+            }
+        }
+
+        // Add the header line.
+        $new->headerLines[$header] = $new->headers[$name];
+
+        return $new;
+    }
+
+    public function withAddedHeader($header, $value)
+    {
+        if (!$this->hasHeader($header)) {
+            return $this->withHeader($header, $value);
+        }
+
+        $header = trim($header);
+        $name = strtolower($header);
+
+        $value = (array) $value;
+        foreach ($value as &$v) {
+            $v = trim($v);
+        }
+
+        $new = clone $this;
+        $new->headers[$name] = array_merge($new->headers[$name], $value);
+        $new->headerLines[$header] = array_merge($new->headerLines[$header], $value);
+
+        return $new;
+    }
+
+    public function withoutHeader($header)
+    {
+        if (!$this->hasHeader($header)) {
+            return $this;
+        }
+
+        $new = clone $this;
+        $name = strtolower($header);
+        unset($new->headers[$name]);
+
+        foreach (array_keys($new->headerLines) as $key) {
+            if (strtolower($key) === $name) {
+                unset($new->headerLines[$key]);
+            }
+        }
+
+        return $new;
+    }
+
+    public function getBody()
+    {
+        if (!$this->stream) {
+            $this->stream = stream_for('');
+        }
+
+        return $this->stream;
+    }
+
+    public function withBody(StreamInterface $body)
+    {
+        if ($body === $this->stream) {
+            return $this;
+        }
+
+        $new = clone $this;
+        $new->stream = $body;
+        return $new;
+    }
+
+    protected function setHeaders(array $headers)
+    {
+        $this->headerLines = $this->headers = array();
+        foreach ($headers as $header => $value) {
+            $header = trim($header);
+            $name = strtolower($header);
+            if (!is_array($value)) {
+                $value = trim($value);
+                $this->headers[$name][] = $value;
+                $this->headerLines[$header][] = $value;
+            } else {
+                foreach ($value as $v) {
+                    $v = trim($v);
+                    $this->headers[$name][] = $v;
+                    $this->headerLines[$header][] = $v;
+                }
+            }
+        }
+    }
+}