First prototype
diff --git a/vendor/google/protobuf/src/Google/Protobuf/Internal/CodedOutputStream.php b/vendor/google/protobuf/src/Google/Protobuf/Internal/CodedOutputStream.php
new file mode 100644
index 0000000..f75e9c6
--- /dev/null
+++ b/vendor/google/protobuf/src/Google/Protobuf/Internal/CodedOutputStream.php
@@ -0,0 +1,159 @@
+<?php
+
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc. All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+namespace Google\Protobuf\Internal;
+
+class CodedOutputStream
+{
+
+ private $buffer;
+ private $buffer_size;
+ private $current;
+
+ const MAX_VARINT64_BYTES = 10;
+
+ public function __construct($size)
+ {
+ $this->current = 0;
+ $this->buffer_size = $size;
+ $this->buffer = str_repeat(chr(0), $this->buffer_size);
+ }
+
+ public function getData()
+ {
+ return $this->buffer;
+ }
+
+ public function writeVarint32($value, $trim)
+ {
+ $bytes = str_repeat(chr(0), self::MAX_VARINT64_BYTES);
+ $size = self::writeVarintToArray($value, $bytes, $trim);
+ return $this->writeRaw($bytes, $size);
+ }
+
+ public function writeVarint64($value)
+ {
+ $bytes = str_repeat(chr(0), self::MAX_VARINT64_BYTES);
+ $size = self::writeVarintToArray($value, $bytes);
+ return $this->writeRaw($bytes, $size);
+ }
+
+ public function writeLittleEndian32($value)
+ {
+ $bytes = str_repeat(chr(0), 4);
+ $size = self::writeLittleEndian32ToArray($value, $bytes);
+ return $this->writeRaw($bytes, $size);
+ }
+
+ public function writeLittleEndian64($value)
+ {
+ $bytes = str_repeat(chr(0), 8);
+ $size = self::writeLittleEndian64ToArray($value, $bytes);
+ return $this->writeRaw($bytes, $size);
+ }
+
+ public function writeTag($tag)
+ {
+ return $this->writeVarint32($tag, true);
+ }
+
+ public function writeRaw($data, $size)
+ {
+ if ($this->buffer_size < $size) {
+ trigger_error("Output stream doesn't have enough buffer.");
+ return false;
+ }
+
+ for ($i = 0; $i < $size; $i++) {
+ $this->buffer[$this->current] = $data[$i];
+ $this->current++;
+ $this->buffer_size--;
+ }
+ return true;
+ }
+
+ public static function writeVarintToArray($value, &$buffer, $trim = false)
+ {
+ $current = 0;
+
+ $high = 0;
+ $low = 0;
+ if (PHP_INT_SIZE == 4) {
+ GPBUtil::divideInt64ToInt32($value, $high, $low, $trim);
+ } else {
+ $low = $value;
+ }
+
+ while (($low >= 0x80 || $low < 0) || $high != 0) {
+ $buffer[$current] = chr($low | 0x80);
+ $value = ($value >> 7) & ~(0x7F << ((PHP_INT_SIZE << 3) - 7));
+ $carry = ($high & 0x7F) << ((PHP_INT_SIZE << 3) - 7);
+ $high = ($high >> 7) & ~(0x7F << ((PHP_INT_SIZE << 3) - 7));
+ $low = (($low >> 7) & ~(0x7F << ((PHP_INT_SIZE << 3) - 7)) | $carry);
+ $current++;
+ }
+ $buffer[$current] = chr($low);
+ return $current + 1;
+ }
+
+ private static function writeLittleEndian32ToArray($value, &$buffer)
+ {
+ $buffer[0] = chr($value & 0x000000FF);
+ $buffer[1] = chr(($value >> 8) & 0x000000FF);
+ $buffer[2] = chr(($value >> 16) & 0x000000FF);
+ $buffer[3] = chr(($value >> 24) & 0x000000FF);
+ return 4;
+ }
+
+ private static function writeLittleEndian64ToArray($value, &$buffer)
+ {
+ $high = 0;
+ $low = 0;
+ if (PHP_INT_SIZE == 4) {
+ GPBUtil::divideInt64ToInt32($value, $high, $low);
+ } else {
+ $low = $value & 0xFFFFFFFF;
+ $high = ($value >> 32) & 0xFFFFFFFF;
+ }
+
+ $buffer[0] = chr($low & 0x000000FF);
+ $buffer[1] = chr(($low >> 8) & 0x000000FF);
+ $buffer[2] = chr(($low >> 16) & 0x000000FF);
+ $buffer[3] = chr(($low >> 24) & 0x000000FF);
+ $buffer[4] = chr($high & 0x000000FF);
+ $buffer[5] = chr(($high >> 8) & 0x000000FF);
+ $buffer[6] = chr(($high >> 16) & 0x000000FF);
+ $buffer[7] = chr(($high >> 24) & 0x000000FF);
+ return 8;
+ }
+
+}