1// Protocol Buffers - Google's data interchange format 2// Copyright 2008 Google Inc. All rights reserved. 3// https://developers.google.com/protocol-buffers/ 4// 5// Redistribution and use in source and binary forms, with or without 6// modification, are permitted provided that the following conditions are 7// met: 8// 9// * Redistributions of source code must retain the above copyright 10// notice, this list of conditions and the following disclaimer. 11// * Redistributions in binary form must reproduce the above 12// copyright notice, this list of conditions and the following disclaimer 13// in the documentation and/or other materials provided with the 14// distribution. 15// * Neither the name of Google Inc. nor the names of its 16// contributors may be used to endorse or promote products derived from 17// this software without specific prior written permission. 18// 19// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 31// Author: petar@google.com (Petar Petrov) 32 33#ifndef GOOGLE_PROTOBUF_PYTHON_CPP_DESCRIPTOR_H__ 34#define GOOGLE_PROTOBUF_PYTHON_CPP_DESCRIPTOR_H__ 35 36#include <Python.h> 37#include <structmember.h> 38 39#include <google/protobuf/descriptor.h> 40 41#if PY_VERSION_HEX < 0x02050000 && !defined(PY_SSIZE_T_MIN) 42typedef int Py_ssize_t; 43#define PY_SSIZE_T_MAX INT_MAX 44#define PY_SSIZE_T_MIN INT_MIN 45#endif 46 47namespace google { 48namespace protobuf { 49namespace python { 50 51typedef struct CFieldDescriptor { 52 PyObject_HEAD 53 54 // The proto2 descriptor that this object represents. 55 const google::protobuf::FieldDescriptor* descriptor; 56 57 // Reference to the original field object in the Python DESCRIPTOR. 58 PyObject* descriptor_field; 59} CFieldDescriptor; 60 61typedef struct { 62 PyObject_HEAD 63 64 const google::protobuf::DescriptorPool* pool; 65} CDescriptorPool; 66 67extern PyTypeObject CFieldDescriptor_Type; 68 69extern PyTypeObject CDescriptorPool_Type; 70 71namespace cdescriptor_pool { 72 73// Looks up a field by name. Returns a CDescriptor corresponding to 74// the field on success, or NULL on failure. 75// 76// Returns a new reference. 77PyObject* FindFieldByName(CDescriptorPool* self, PyObject* name); 78 79// Looks up an extension by name. Returns a CDescriptor corresponding 80// to the field on success, or NULL on failure. 81// 82// Returns a new reference. 83PyObject* FindExtensionByName(CDescriptorPool* self, PyObject* arg); 84 85} // namespace cdescriptor_pool 86 87PyObject* Python_NewCDescriptorPool(PyObject* ignored, PyObject* args); 88PyObject* Python_BuildFile(PyObject* ignored, PyObject* args); 89bool InitDescriptor(); 90google::protobuf::DescriptorPool* GetDescriptorPool(); 91 92} // namespace python 93} // namespace protobuf 94 95} // namespace google 96#endif // GOOGLE_PROTOBUF_PYTHON_CPP_DESCRIPTOR_H__ 97