mirror of
https://github.com/protocolbuffers/protobuf
synced 2026-08-26 02:23:14 -04:00
69 lines
2 KiB
C++
69 lines
2 KiB
C++
// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file or at
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// https://developers.google.com/open-source/licenses/bsd
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#ifndef GOOGLE_PROTOBUF_PYTHON_CPP_MAP_CONTAINER_H__
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#define GOOGLE_PROTOBUF_PYTHON_CPP_MAP_CONTAINER_H__
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#define PY_SSIZE_T_CLEAN
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#include <Python.h>
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#include <cstdint>
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#include "google/protobuf/descriptor.h"
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#include "google/protobuf/message.h"
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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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namespace python {
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struct CMessageClass;
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// This struct is used directly for ScalarMap, and is the base class of
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// MessageMapContainer, which is used for MessageMap.
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struct MapContainer : public ContainerBase {
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// Use to get a message for read-only operations.
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const Message* GetReadOnlyMessage();
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// Use to get a mutable message when necessary.
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Message* GetMutableMessage();
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// We bump this whenever we perform a mutation, to invalidate existing
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// iterators.
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uint64_t version;
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};
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struct MessageMapContainer : public MapContainer {
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// The type used to create new child messages.
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CMessageClass* message_class;
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};
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bool InitMapContainers();
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extern PyTypeObject* MessageMapContainer_Type;
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extern PyTypeObject* ScalarMapContainer_Type;
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extern PyTypeObject MapIterator_Type; // Both map types use the same iterator.
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// Builds a MapContainer object, from a parent message and a
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// field descriptor.
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extern MapContainer* NewScalarMapContainer(
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CMessage* parent, const FieldDescriptor* parent_field_descriptor);
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// Builds a MessageMap object, from a parent message and a
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// field descriptor.
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extern MessageMapContainer* NewMessageMapContainer(
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CMessage* parent, const FieldDescriptor* parent_field_descriptor,
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CMessageClass* message_class);
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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_MAP_CONTAINER_H__
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