| // 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. |
| |
| // Author: anuraag@google.com (Anuraag Agrawal) |
| // Author: tibell@google.com (Johan Tibell) |
| |
| #ifndef GOOGLE_PROTOBUF_PYTHON_CPP_REPEATED_SCALAR_CONTAINER_H__ |
| #define GOOGLE_PROTOBUF_PYTHON_CPP_REPEATED_SCALAR_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; |
| |
| #ifdef _SHARED_PTR_H |
| using std::shared_ptr; |
| #else |
| using internal::shared_ptr; |
| #endif |
| |
| namespace python { |
| |
| struct CMessage; |
| |
| typedef struct RepeatedScalarContainer { |
| PyObject_HEAD; |
| |
| // This is the top-level C++ Message object that owns the whole |
| // proto tree. Every Python RepeatedScalarContainer 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 |
| // RepeatedScalarContainer 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; |
| } RepeatedScalarContainer; |
| |
| extern PyTypeObject RepeatedScalarContainer_Type; |
| |
| namespace repeated_scalar_container { |
| |
| // Builds a RepeatedScalarContainer object, from a parent message and a |
| // field descriptor. |
| extern PyObject *NewContainer( |
| CMessage* parent, const FieldDescriptor* parent_field_descriptor); |
| |
| // Appends the scalar 'item' to the end of the container 'self'. |
| // |
| // Returns None if successful; returns NULL and sets an exception if |
| // unsuccessful. |
| PyObject* Append(RepeatedScalarContainer* self, PyObject* item); |
| |
| // Releases the messages in the container to a new message. |
| // |
| // Returns 0 on success, -1 on failure. |
| int Release(RepeatedScalarContainer* self); |
| |
| // Appends all the elements in the input iterator to the container. |
| // |
| // Returns None if successful; returns NULL and sets an exception if |
| // unsuccessful. |
| PyObject* Extend(RepeatedScalarContainer* self, PyObject* value); |
| |
| // Set the owner field of self and any children of self. |
| void SetOwner(RepeatedScalarContainer* self, |
| const shared_ptr<Message>& new_owner); |
| |
| } // namespace repeated_scalar_container |
| } // namespace python |
| } // namespace protobuf |
| |
| } // namespace google |
| #endif // GOOGLE_PROTOBUF_PYTHON_CPP_REPEATED_SCALAR_CONTAINER_H__ |