Home | History | Annotate | Download | only in pyext 
      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 #include <Python.h>
     35 
     36 #include <google/protobuf/descriptor_database.h>
     37 
     38 namespace google {
     39 namespace protobuf {
     40 namespace python {
     41 
     42 class PyDescriptorDatabase : public DescriptorDatabase {
     43  public:
     44   explicit PyDescriptorDatabase(PyObject* py_database);
     45   ~PyDescriptorDatabase();
     46 
     47   // Implement the abstract interface. All these functions fill the output
     48   // with a copy of FileDescriptorProto.
     49 
     50   // Find a file by file name.
     51   bool FindFileByName(const string& filename,
     52                       FileDescriptorProto* output);
     53 
     54   // Find the file that declares the given fully-qualified symbol name.
     55   bool FindFileContainingSymbol(const string& symbol_name,
     56                                 FileDescriptorProto* output);
     57 
     58   // Find the file which defines an extension extending the given message type
     59   // with the given field number.
     60   // Containing_type must be a fully-qualified type name.
     61   // Python objects are not required to implement this method.
     62   bool FindFileContainingExtension(const string& containing_type,
     63                                    int field_number,
     64                                    FileDescriptorProto* output);
     65 
     66  private:
     67   // The python object that implements the database. The reference is owned.
     68   PyObject* py_database_;
     69 };
     70 
     71 }  // namespace python
     72 }  // namespace protobuf
     73 
     74 }  // namespace google
     75 #endif  // GOOGLE_PROTOBUF_PYTHON_CPP_DESCRIPTOR_DATABASE_H__
     76