86 lines
3.0 KiB
C++
86 lines
3.0 KiB
C++
// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// https://developers.google.com/protocol-buffers/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Author: anuraag@google.com (Anuraag Agrawal)
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// Author: tibell@google.com (Johan Tibell)
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#ifndef GOOGLE_PROTOBUF_PYTHON_CPP_EXTENSION_DICT_H__
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#define GOOGLE_PROTOBUF_PYTHON_CPP_EXTENSION_DICT_H__
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#include <Python.h>
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#include <memory>
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#include <google/protobuf/pyext/message.h>
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namespace google {
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namespace protobuf {
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class Message;
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class FieldDescriptor;
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namespace python {
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typedef struct ExtensionDict {
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PyObject_HEAD;
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// This is the top-level C++ Message object that owns the whole
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// proto tree. Every Python container class holds a
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// reference to it in order to keep it alive as long as there's a
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// Python object that references any part of the tree.
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CMessage::OwnerRef owner;
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// Weak reference to parent message. Used to make sure
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// the parent is writable when an extension field is modified.
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CMessage* parent;
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// Pointer to the C++ Message that this ExtensionDict extends.
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// Not owned by us.
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Message* message;
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// A dict of child messages, indexed by Extension descriptors.
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// Similar to CMessage::composite_fields.
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PyObject* values;
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} ExtensionDict;
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extern PyTypeObject ExtensionDict_Type;
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namespace extension_dict {
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// Builds an Extensions dict for a specific message.
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ExtensionDict* NewExtensionDict(CMessage *parent);
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} // namespace extension_dict
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} // namespace python
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} // namespace protobuf
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} // namespace google
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#endif // GOOGLE_PROTOBUF_PYTHON_CPP_EXTENSION_DICT_H__
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