| <?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; |
| } |
| } |
