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Unified Diff: third_party/protobuf/php/src/Google/Protobuf/Internal/OutputStream.php

Issue 2590803003: Revert "third_party/protobuf: Update to HEAD (83d681ee2c)" (Closed)
Patch Set: Created 4 years ago
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Index: third_party/protobuf/php/src/Google/Protobuf/Internal/OutputStream.php
diff --git a/third_party/protobuf/php/src/Google/Protobuf/Internal/OutputStream.php b/third_party/protobuf/php/src/Google/Protobuf/Internal/OutputStream.php
deleted file mode 100644
index 587ac352d8bf8e92117add8408b1f2630c5ee749..0000000000000000000000000000000000000000
--- a/third_party/protobuf/php/src/Google/Protobuf/Internal/OutputStream.php
+++ /dev/null
@@ -1,164 +0,0 @@
-<?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 OutputStream
-{
-
- private $buffer;
- private $buffer_size;
- private $current;
-
- const MAX_VARINT32_BYTES = 5;
- const MAX_VARINT64_BYTES = 10;
-
- public function __construct($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)
- {
- $bytes = str_repeat(chr(0), self::MAX_VARINT32_BYTES);
- $size = self::writeVarintToArray($value, $bytes, true);
- 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);
- }
-
- 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++;
- $this->buffer_size--;
- }
- return true;
- }
-
- private static function writeVarintToArray($value, &$buffer, $trim = false)
- {
- $current = 0;
-
- $high = 0;
- $low = 0;
- if (PHP_INT_SIZE == 4) {
- GPBUtil::divideInt64ToInt32($value, $high, $low, $trim);
- } else {
- if ($trim) {
- $low = $value & 0xFFFFFFFF;
- } else {
- $low = $value;
- }
- }
-
- while ($low >= 0x80 || $low < 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;
- }
-
-}

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