Index: third_party/protobuf/python/google/protobuf/pyext/message_factory.h |
diff --git a/third_party/protobuf/python/google/protobuf/pyext/message_factory.h b/third_party/protobuf/python/google/protobuf/pyext/message_factory.h |
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+// 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. |
+ |
+#ifndef GOOGLE_PROTOBUF_PYTHON_CPP_MESSAGE_FACTORY_H__ |
+#define GOOGLE_PROTOBUF_PYTHON_CPP_MESSAGE_FACTORY_H__ |
+ |
+#include <Python.h> |
+ |
+#include <google/protobuf/stubs/hash.h> |
+#include <google/protobuf/descriptor.h> |
+#include <google/protobuf/pyext/descriptor_pool.h> |
+ |
+namespace google { |
+namespace protobuf { |
+class MessageFactory; |
+ |
+namespace python { |
+ |
+// The (meta) type of all Messages classes. |
+struct CMessageClass; |
+ |
+struct PyMessageFactory { |
+ PyObject_HEAD |
+ |
+ // DynamicMessageFactory used to create C++ instances of messages. |
+ // This object cache the descriptors that were used, so the DescriptorPool |
+ // needs to get rid of it before it can delete itself. |
+ // |
+ // Note: A C++ MessageFactory is different from the PyMessageFactory. |
+ // The C++ one creates messages, when the Python one creates classes. |
+ MessageFactory* message_factory; |
+ |
+ // borrowed reference to a Python DescriptorPool. |
+ // TODO(amauryfa): invert the dependency: the MessageFactory owns the |
+ // DescriptorPool, not the opposite. |
+ PyDescriptorPool* pool; |
+ |
+ // Make our own mapping to retrieve Python classes from C++ descriptors. |
+ // |
+ // Descriptor pointers stored here are owned by the DescriptorPool above. |
+ // Python references to classes are owned by this PyDescriptorPool. |
+ typedef hash_map<const Descriptor*, CMessageClass*> ClassesByMessageMap; |
+ ClassesByMessageMap* classes_by_descriptor; |
+}; |
+ |
+extern PyTypeObject PyMessageFactory_Type; |
+ |
+namespace message_factory { |
+ |
+// Creates a new MessageFactory instance. |
+PyMessageFactory* NewMessageFactory(PyTypeObject* type, PyDescriptorPool* pool); |
+ |
+// Registers a new Python class for the given message descriptor. |
+// On error, returns -1 with a Python exception set. |
+int RegisterMessageClass(PyMessageFactory* self, |
+ const Descriptor* message_descriptor, |
+ CMessageClass* message_class); |
+// Retrieves the Python class registered with the given message descriptor, or |
+// fail with a TypeError. Returns a *borrowed* reference. |
+CMessageClass* GetMessageClass(PyMessageFactory* self, |
+ const Descriptor* message_descriptor); |
+// Retrieves the Python class registered with the given message descriptor. |
+// The class is created if not done yet. Returns a *new* reference. |
+CMessageClass* GetOrCreateMessageClass(PyMessageFactory* self, |
+ const Descriptor* message_descriptor); |
+} // namespace message_factory |
+ |
+// Initialize objects used by this module. |
+// On error, returns false with a Python exception set. |
+bool InitMessageFactory(); |
+ |
+} // namespace python |
+} // namespace protobuf |
+ |
+} // namespace google |
+#endif // GOOGLE_PROTOBUF_PYTHON_CPP_MESSAGE_FACTORY_H__ |