diff options
Diffstat (limited to 'vendor/google/protobuf/src/Google/Protobuf/Internal/DescriptorPool.php')
-rw-r--r-- | vendor/google/protobuf/src/Google/Protobuf/Internal/DescriptorPool.php | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/vendor/google/protobuf/src/Google/Protobuf/Internal/DescriptorPool.php b/vendor/google/protobuf/src/Google/Protobuf/Internal/DescriptorPool.php new file mode 100644 index 000000000..1be00e2ff --- /dev/null +++ b/vendor/google/protobuf/src/Google/Protobuf/Internal/DescriptorPool.php @@ -0,0 +1,194 @@ +<?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\Descriptor; +use Google\Protobuf\Internal\FileDescriptor; +use Google\Protobuf\Internal\FileDescriptorSet; +use Google\Protobuf\Internal\MessageBuilderContext; +use Google\Protobuf\Internal\EnumBuilderContext; + +class DescriptorPool +{ + private static $pool; + // Map from message names to sub-maps, which are maps from field numbers to + // field descriptors. + private $class_to_desc = []; + private $class_to_enum_desc = []; + private $proto_to_class = []; + + public static function getGeneratedPool() + { + if (!isset(self::$pool)) { + self::$pool = new DescriptorPool(); + } + return self::$pool; + } + + public function internalAddGeneratedFile($data, $use_nested = false) + { + $files = new FileDescriptorSet(); + $files->mergeFromString($data); + + foreach($files->getFile() as $file_proto) { + $file = FileDescriptor::buildFromProto($file_proto); + + foreach ($file->getMessageType() as $desc) { + $this->addDescriptor($desc); + } + unset($desc); + + foreach ($file->getEnumType() as $desc) { + $this->addEnumDescriptor($desc); + } + unset($desc); + + foreach ($file->getMessageType() as $desc) { + $this->crossLink($desc); + } + unset($desc); + } + } + + public function addMessage($name, $klass) + { + return new MessageBuilderContext($name, $klass, $this); + } + + public function addEnum($name, $klass) + { + return new EnumBuilderContext($name, $klass, $this); + } + + public function addDescriptor($descriptor) + { + $this->proto_to_class[$descriptor->getFullName()] = + $descriptor->getClass(); + $this->class_to_desc[$descriptor->getClass()] = $descriptor; + $this->class_to_desc[$descriptor->getLegacyClass()] = $descriptor; + $this->class_to_desc[$descriptor->getPreviouslyUnreservedClass()] = $descriptor; + foreach ($descriptor->getNestedType() as $nested_type) { + $this->addDescriptor($nested_type); + } + foreach ($descriptor->getEnumType() as $enum_type) { + $this->addEnumDescriptor($enum_type); + } + } + + public function addEnumDescriptor($descriptor) + { + $this->proto_to_class[$descriptor->getFullName()] = + $descriptor->getClass(); + $this->class_to_enum_desc[$descriptor->getClass()] = $descriptor; + $this->class_to_enum_desc[$descriptor->getLegacyClass()] = $descriptor; + } + + public function getDescriptorByClassName($klass) + { + if (isset($this->class_to_desc[$klass])) { + return $this->class_to_desc[$klass]; + } else { + return null; + } + } + + public function getEnumDescriptorByClassName($klass) + { + if (isset($this->class_to_enum_desc[$klass])) { + return $this->class_to_enum_desc[$klass]; + } else { + return null; + } + } + + public function getDescriptorByProtoName($proto) + { + if (isset($this->proto_to_class[$proto])) { + $klass = $this->proto_to_class[$proto]; + return $this->class_to_desc[$klass]; + } else { + return null; + } + } + + public function getEnumDescriptorByProtoName($proto) + { + $klass = $this->proto_to_class[$proto]; + return $this->class_to_enum_desc[$klass]; + } + + private function crossLink(Descriptor $desc) + { + foreach ($desc->getField() as $field) { + switch ($field->getType()) { + case GPBType::MESSAGE: + $proto = $field->getMessageType(); + if ($proto[0] == '.') { + $proto = substr($proto, 1); + } + $subdesc = $this->getDescriptorByProtoName($proto); + if (is_null($subdesc)) { + trigger_error( + 'proto not added: ' . $proto + . " for " . $desc->getFullName(), E_USER_ERROR); + } + $field->setMessageType($subdesc); + break; + case GPBType::ENUM: + $proto = $field->getEnumType(); + if ($proto[0] == '.') { + $proto = substr($proto, 1); + } + $field->setEnumType( + $this->getEnumDescriptorByProtoName($proto)); + break; + default: + break; + } + } + unset($field); + + foreach ($desc->getNestedType() as $nested_type) { + $this->crossLink($nested_type); + } + unset($nested_type); + } + + public function finish() + { + foreach ($this->class_to_desc as $klass => $desc) { + $this->crossLink($desc); + } + unset($desc); + } +} |