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Diffstat (limited to 'python/google/protobuf/pyext/unknown_fields.h')
-rwxr-xr-x | python/google/protobuf/pyext/unknown_fields.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/python/google/protobuf/pyext/unknown_fields.h b/python/google/protobuf/pyext/unknown_fields.h new file mode 100755 index 00000000..94d55e14 --- /dev/null +++ b/python/google/protobuf/pyext/unknown_fields.h @@ -0,0 +1,90 @@ +// 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. + +#ifndef GOOGLE_PROTOBUF_PYTHON_CPP_UNKNOWN_FIELDS_H__ +#define GOOGLE_PROTOBUF_PYTHON_CPP_UNKNOWN_FIELDS_H__ + +#include <Python.h> + +#include <memory> +#include <set> + +#include <google/protobuf/pyext/message.h> + +namespace google { +namespace protobuf { + +class UnknownField; +class UnknownFieldSet; + +namespace python { +struct CMessage; + +typedef struct PyUnknownFields { + PyObject_HEAD; + // Strong pointer to the parent CMessage or PyUnknownFields. + // The top PyUnknownFields holds a reference to its parent CMessage + // object before release. + // Sub PyUnknownFields holds reference to parent PyUnknownFields. + PyObject* parent; + + // Pointer to the C++ UnknownFieldSet. + // PyUnknownFields does not own this pointer. + const UnknownFieldSet* fields; + + // Weak references to child unknown fields. + std::set<PyUnknownFields*> sub_unknown_fields; +} PyUnknownFields; + +typedef struct PyUnknownFieldRef { + PyObject_HEAD; + // Every Python PyUnknownFieldRef holds a reference to its parent + // PyUnknownFields in order to keep it alive. + PyUnknownFields* parent; + + // The UnknownField index in UnknownFields. + Py_ssize_t index; +} UknownFieldRef; + +extern PyTypeObject PyUnknownFields_Type; +extern PyTypeObject PyUnknownFieldRef_Type; + +namespace unknown_fields { + +// Builds an PyUnknownFields for a specific message. +PyObject* NewPyUnknownFields(CMessage *parent); +void Clear(PyUnknownFields* self); + +} // namespace unknown_fields +} // namespace python +} // namespace protobuf +} // namespace google + +#endif // GOOGLE_PROTOBUF_PYTHON_CPP_UNKNOWN_FIELDS_H__ |