1 // Protocol Buffers - Google's data interchange format
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3 // https://developers.google.com/protocol-buffers/
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31 // Author: anuraag@google.com (Anuraag Agrawal)
32 // Author: tibell@google.com (Johan Tibell)
34 #ifndef GOOGLE_PROTOBUF_PYTHON_CPP_REPEATED_SCALAR_CONTAINER_H__
35 #define GOOGLE_PROTOBUF_PYTHON_CPP_REPEATED_SCALAR_CONTAINER_H__
41 #include <google/protobuf/stubs/shared_ptr.h>
50 using internal::shared_ptr;
54 struct CFieldDescriptor;
57 typedef struct RepeatedScalarContainer {
60 // This is the top-level C++ Message object that owns the whole
61 // proto tree. Every Python RepeatedScalarContainer holds a
62 // reference to it in order to keep it alive as long as there's a
63 // Python object that references any part of the tree.
64 shared_ptr<Message> owner;
66 // Pointer to the C++ Message that contains this container. The
67 // RepeatedScalarContainer does not own this pointer.
70 // Weak reference to a parent CMessage object (i.e. may be NULL.)
72 // Used to make sure all ancestors are also mutable when first
73 // modifying the container.
76 // Weak reference to the parent's descriptor that describes this
77 // field. Used together with the parent's message when making a
78 // default message instance mutable.
79 CFieldDescriptor* parent_field;
80 } RepeatedScalarContainer;
82 extern PyTypeObject RepeatedScalarContainer_Type;
84 namespace repeated_scalar_container {
86 // Appends the scalar 'item' to the end of the container 'self'.
88 // Returns None if successful; returns NULL and sets an exception if
90 PyObject* Append(RepeatedScalarContainer* self, PyObject* item);
92 // Releases the messages in the container to a new message.
94 // Returns 0 on success, -1 on failure.
95 int Release(RepeatedScalarContainer* self);
97 // Appends all the elements in the input iterator to the container.
99 // Returns None if successful; returns NULL and sets an exception if
101 PyObject* Extend(RepeatedScalarContainer* self, PyObject* value);
103 // Set the owner field of self and any children of self.
104 void SetOwner(RepeatedScalarContainer* self,
105 const shared_ptr<Message>& new_owner);
107 } // namespace repeated_scalar_container
108 } // namespace python
109 } // namespace protobuf
111 } // namespace google
112 #endif // GOOGLE_PROTOBUF_PYTHON_CPP_REPEATED_SCALAR_CONTAINER_H__