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) 42 typedef int Py_ssize_t; 43 #define PY_SSIZE_T_MAX INT_MAX 44 #define PY_SSIZE_T_MIN INT_MIN 45 #endif 46 47 namespace google { 48 namespace protobuf { 49 namespace python { 50 51 typedef 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 61 typedef struct { 62 PyObject_HEAD 63 64 const google::protobuf::DescriptorPool* pool; 65 } CDescriptorPool; 66 67 extern PyTypeObject CFieldDescriptor_Type; 68 69 extern PyTypeObject CDescriptorPool_Type; 70 71 namespace 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. 77 PyObject* 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. 83 PyObject* FindExtensionByName(CDescriptorPool* self, PyObject* arg); 84 85 } // namespace cdescriptor_pool 86 87 PyObject* Python_NewCDescriptorPool(PyObject* ignored, PyObject* args); 88 PyObject* Python_BuildFile(PyObject* ignored, PyObject* args); 89 bool InitDescriptor(); 90 google::protobuf::DescriptorPool* GetDescriptorPool(); 91 92 } // namespace python 93 } // namespace protobuf 94 95 } // namespace google 96 #endif // GOOGLE_PROTOBUF_PYTHON_CPP_DESCRIPTOR_H__ 97