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 #ifndef GOOGLE_PROTOBUF_PYTHON_CPP_DESCRIPTOR_DATABASE_H__ 32 #define GOOGLE_PROTOBUF_PYTHON_CPP_DESCRIPTOR_DATABASE_H__ 33 34 #define PY_SSIZE_T_CLEAN 35 #include <Python.h> 36 37 #include <google/protobuf/descriptor_database.h> 38 39 namespace google { 40 namespace protobuf { 41 namespace python { 42 43 class PyDescriptorDatabase : public DescriptorDatabase { 44 public: 45 explicit PyDescriptorDatabase(PyObject* py_database); 46 ~PyDescriptorDatabase() override; 47 48 // Implement the abstract interface. All these functions fill the output 49 // with a copy of FileDescriptorProto. 50 51 // Find a file by file name. 52 bool FindFileByName(const std::string& filename, 53 FileDescriptorProto* output) override; 54 55 // Find the file that declares the given fully-qualified symbol name. 56 bool FindFileContainingSymbol(const std::string& symbol_name, 57 FileDescriptorProto* output) override; 58 59 // Find the file which defines an extension extending the given message type 60 // with the given field number. 61 // Containing_type must be a fully-qualified type name. 62 // Python objects are not required to implement this method. 63 bool FindFileContainingExtension(const std::string& containing_type, 64 int field_number, 65 FileDescriptorProto* output) override; 66 67 // Finds the tag numbers used by all known extensions of 68 // containing_type, and appends them to output in an undefined 69 // order. 70 // Python objects are not required to implement this method. 71 bool FindAllExtensionNumbers(const std::string& containing_type, 72 std::vector<int>* output) override; 73 74 private: 75 // The python object that implements the database. The reference is owned. 76 PyObject* py_database_; 77 }; 78 79 } // namespace python 80 } // namespace protobuf 81 } // namespace google 82 83 #endif // GOOGLE_PROTOBUF_PYTHON_CPP_DESCRIPTOR_DATABASE_H__ 84