1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
// 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_SCALAR_MAP_CONTAINER_H__
#define GOOGLE_PROTOBUF_PYTHON_CPP_SCALAR_MAP_CONTAINER_H__
#include <Python.h>
#include <memory>
#ifndef _SHARED_PTR_H
#include <google/protobuf/stubs/shared_ptr.h>
#endif
#include <google/protobuf/descriptor.h>
namespace google {
namespace protobuf {
class Message;
using std::shared_ptr;
using std::string;
namespace python {
struct CMessage;
struct ScalarMapContainer {
PyObject_HEAD;
// This is the top-level C++ Message object that owns the whole
// proto tree. Every Python ScalarMapContainer holds a
// reference to it in order to keep it alive as long as there's a
// Python object that references any part of the tree.
shared_ptr<Message> owner;
// Pointer to the C++ Message that contains this container. The
// ScalarMapContainer does not own this pointer.
Message* message;
// Weak reference to a parent CMessage object (i.e. may be NULL.)
//
// Used to make sure all ancestors are also mutable when first
// modifying the container.
CMessage* parent;
// Pointer to the parent's descriptor that describes this
// field. Used together with the parent's message when making a
// default message instance mutable.
// The pointer is owned by the global DescriptorPool.
const FieldDescriptor* parent_field_descriptor;
const FieldDescriptor* key_field_descriptor;
const FieldDescriptor* value_field_descriptor;
// We bump this whenever we perform a mutation, to invalidate existing
// iterators.
uint64 version;
};
#if PY_MAJOR_VERSION >= 3
extern PyObject *ScalarMapContainer_Type;
extern PyType_Spec ScalarMapContainer_Type_spec;
#else
extern PyTypeObject ScalarMapContainer_Type;
#endif
extern PyTypeObject ScalarMapIterator_Type;
namespace scalar_map_container {
// Builds a ScalarMapContainer object, from a parent message and a
// field descriptor.
extern PyObject *NewContainer(
CMessage* parent, const FieldDescriptor* parent_field_descriptor);
// Releases the messages in the container to a new message.
//
// Returns 0 on success, -1 on failure.
int Release(ScalarMapContainer* self);
// Set the owner field of self and any children of self.
void SetOwner(ScalarMapContainer* self,
const shared_ptr<Message>& new_owner);
} // namespace scalar_map_container
} // namespace python
} // namespace protobuf
} // namespace google
#endif // GOOGLE_PROTOBUF_PYTHON_CPP_SCALAR_MAP_CONTAINER_H__
|