diff options
Diffstat (limited to 'third_party/protobuf/3.4.0/php/src/Google/Protobuf/Internal/GPBUtil.php')
| -rw-r--r-- | third_party/protobuf/3.4.0/php/src/Google/Protobuf/Internal/GPBUtil.php | 343 |
1 files changed, 343 insertions, 0 deletions
diff --git a/third_party/protobuf/3.4.0/php/src/Google/Protobuf/Internal/GPBUtil.php b/third_party/protobuf/3.4.0/php/src/Google/Protobuf/Internal/GPBUtil.php new file mode 100644 index 0000000000..6fe360687d --- /dev/null +++ b/third_party/protobuf/3.4.0/php/src/Google/Protobuf/Internal/GPBUtil.php @@ -0,0 +1,343 @@ +<?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; + +use Google\Protobuf\Internal\GPBType; +use Google\Protobuf\Internal\RepeatedField; +use Google\Protobuf\Internal\MapField; + +class GPBUtil +{ + public static function divideInt64ToInt32($value, &$high, &$low, $trim = false) + { + $isNeg = (bccomp($value, 0) < 0); + if ($isNeg) { + $value = bcsub(0, $value); + } + + $high = bcdiv($value, 4294967296); + $low = bcmod($value, 4294967296); + if (bccomp($high, 2147483647) > 0) { + $high = (int) bcsub($high, 4294967296); + } else { + $high = (int) $high; + } + if (bccomp($low, 2147483647) > 0) { + $low = (int) bcsub($low, 4294967296); + } else { + $low = (int) $low; + } + + if ($isNeg) { + $high = ~$high; + $low = ~$low; + $low++; + if (!$low) { + $high = (int)($high + 1); + } + } + + if ($trim) { + $high = 0; + } + } + + public static function checkString(&$var, $check_utf8) + { + if (is_array($var) || is_object($var)) { + throw new \InvalidArgumentException("Expect string."); + } + if (!is_string($var)) { + $var = strval($var); + } + if ($check_utf8 && !preg_match('//u', $var)) { + throw new \Exception("Expect utf-8 encoding."); + } + } + + public static function checkEnum(&$var) + { + static::checkInt32($var); + } + + public static function checkInt32(&$var) + { + if (is_numeric($var)) { + $var = intval($var); + } else { + throw new \Exception("Expect integer."); + } + } + + public static function checkUint32(&$var) + { + if (is_numeric($var)) { + if (PHP_INT_SIZE === 8) { + $var = intval($var); + $var |= ((-(($var >> 31) & 0x1)) & ~0xFFFFFFFF); + } else { + if (bccomp($var, 0x7FFFFFFF) > 0) { + $var = bcsub($var, "4294967296"); + } + $var = (int) $var; + } + } else { + throw new \Exception("Expect integer."); + } + } + + public static function checkInt64(&$var) + { + if (is_numeric($var)) { + if (PHP_INT_SIZE == 8) { + $var = intval($var); + } else { + if (is_float($var) || + is_integer($var) || + (is_string($var) && + bccomp($var, "9223372036854774784") < 0)) { + $var = number_format($var, 0, ".", ""); + } + } + } else { + throw new \Exception("Expect integer."); + } + } + + public static function checkUint64(&$var) + { + if (is_numeric($var)) { + if (PHP_INT_SIZE == 8) { + $var = intval($var); + } else { + $var = number_format($var, 0, ".", ""); + } + } else { + throw new \Exception("Expect integer."); + } + } + + public static function checkFloat(&$var) + { + if (is_float($var) || is_numeric($var)) { + $var = floatval($var); + } else { + throw new \Exception("Expect float."); + } + } + + public static function checkDouble(&$var) + { + if (is_float($var) || is_numeric($var)) { + $var = floatval($var); + } else { + throw new \Exception("Expect float."); + } + } + + public static function checkBool(&$var) + { + if (is_array($var) || is_object($var)) { + throw new \Exception("Expect boolean."); + } + $var = boolval($var); + } + + public static function checkMessage(&$var, $klass) + { + if (!$var instanceof $klass && !is_null($var)) { + throw new \Exception("Expect message."); + } + } + + public static function checkRepeatedField(&$var, $type, $klass = null) + { + if (!$var instanceof RepeatedField && !is_array($var)) { + throw new \Exception("Expect array."); + } + if (is_array($var)) { + $tmp = new RepeatedField($type, $klass); + foreach ($var as $value) { + $tmp[] = $value; + } + return $tmp; + } else { + if ($var->getType() != $type) { + throw new \Exception( + "Expect repeated field of different type."); + } + if ($var->getType() === GPBType::MESSAGE && + $var->getClass() !== $klass) { + throw new \Exception( + "Expect repeated field of different message."); + } + return $var; + } + } + + public static function checkMapField(&$var, $key_type, $value_type, $klass = null) + { + if (!$var instanceof MapField && !is_array($var)) { + throw new \Exception("Expect dict."); + } + if (is_array($var)) { + $tmp = new MapField($key_type, $value_type, $klass); + foreach ($var as $key => $value) { + $tmp[$key] = $value; + } + return $tmp; + } else { + if ($var->getKeyType() != $key_type) { + throw new \Exception("Expect map field of key type."); + } + if ($var->getValueType() != $value_type) { + throw new \Exception("Expect map field of value type."); + } + if ($var->getValueType() === GPBType::MESSAGE && + $var->getValueClass() !== $klass) { + throw new \Exception( + "Expect map field of different value message."); + } + return $var; + } + } + + public static function Int64($value) + { + return new Int64($value); + } + + public static function Uint64($value) + { + return new Uint64($value); + } + + public static function getClassNamePrefix( + $classname, + $file_proto) + { + $option = $file_proto->getOptions(); + $prefix = is_null($option) ? "" : $option->getPhpClassPrefix(); + if ($prefix !== "") { + return $prefix; + } + + $reserved_words = array("Empty", "ECHO", "ARRAY"); + foreach ($reserved_words as $reserved_word) { + if ($classname === $reserved_word) { + if ($file_proto->getPackage() === "google.protobuf") { + return "GPB"; + } else { + return "PB"; + } + } + } + + return ""; + } + + public static function getClassNameWithoutPackage( + $name, + $file_proto) + { + $classname = implode('_', array_map('ucwords', explode('.', $name))); + return static::getClassNamePrefix($classname, $file_proto) . $classname; + } + + public static function getFullClassName( + $proto, + $containing, + $file_proto, + &$message_name_without_package, + &$classname, + &$fullname) + { + // Full name needs to start with '.'. + $message_name_without_package = $proto->getName(); + if ($containing !== "") { + $message_name_without_package = + $containing . "." . $message_name_without_package; + } + + $package = $file_proto->getPackage(); + if ($package === "") { + $fullname = "." . $message_name_without_package; + } else { + $fullname = "." . $package . "." . $message_name_without_package; + } + + $class_name_without_package = + static::getClassNameWithoutPackage($message_name_without_package, $file_proto); + + $option = $file_proto->getOptions(); + if (!is_null($option) && $option->hasPhpNamespace()) { + $namespace = $option->getPhpNamespace(); + if ($namespace !== "") { + $classname = $namespace . "\\" . $class_name_without_package; + return; + } else { + $classname = $class_name_without_package; + return; + } + } + + if ($package === "") { + $classname = $class_name_without_package; + } else { + $classname = + implode('\\', array_map('ucwords', explode('.', $package))). + "\\".$class_name_without_package; + } + } + + public static function combineInt32ToInt64($high, $low) + { + $isNeg = $high < 0; + if ($isNeg) { + $high = ~$high; + $low = ~$low; + $low++; + if (!$low) { + $high = (int) ($high + 1); + } + } + $result = bcadd(bcmul($high, 4294967296), $low); + if ($low < 0) { + $result = bcadd($result, 4294967296); + } + if ($isNeg) { + $result = bcsub(0, $result); + } + return $result; + } +} |