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// 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.
#include <google/protobuf/pyext/field.h>
#include <google/protobuf/descriptor.h>
#include <google/protobuf/pyext/descriptor.h>
#include <google/protobuf/pyext/message.h>
#if PY_MAJOR_VERSION >= 3
#define PyString_FromFormat PyUnicode_FromFormat
#endif
namespace google {
namespace protobuf {
namespace python {
namespace field {
static PyObject* Repr(PyMessageFieldProperty* self) {
return PyString_FromFormat("<field property '%s'>",
self->field_descriptor->full_name().c_str());
}
static PyObject* DescrGet(PyMessageFieldProperty* self, PyObject* obj,
PyObject* type) {
if (obj == NULL) {
Py_INCREF(self);
return reinterpret_cast<PyObject*>(self);
}
return cmessage::GetFieldValue(reinterpret_cast<CMessage*>(obj),
self->field_descriptor);
}
static int DescrSet(PyMessageFieldProperty* self, PyObject* obj,
PyObject* value) {
if (value == NULL) {
PyErr_SetString(PyExc_AttributeError, "Cannot delete field attribute");
return -1;
}
return cmessage::SetFieldValue(reinterpret_cast<CMessage*>(obj),
self->field_descriptor, value);
}
static PyObject* GetDescriptor(PyMessageFieldProperty* self, void* closure) {
return PyFieldDescriptor_FromDescriptor(self->field_descriptor);
}
static PyObject* GetDoc(PyMessageFieldProperty* self, void* closure) {
return PyString_FromFormat("Field %s",
self->field_descriptor->full_name().c_str());
}
static PyGetSetDef Getters[] = {
{"DESCRIPTOR", (getter)GetDescriptor, NULL, "Field descriptor"},
{"__doc__", (getter)GetDoc, NULL, NULL},
{NULL}};
} // namespace field
static PyTypeObject _CFieldProperty_Type = {
PyVarObject_HEAD_INIT(&PyType_Type, 0) // head
FULL_MODULE_NAME ".FieldProperty", // tp_name
sizeof(PyMessageFieldProperty), // tp_basicsize
0, // tp_itemsize
0, // tp_dealloc
0, // tp_print
0, // tp_getattr
0, // tp_setattr
0, // tp_compare
(reprfunc)field::Repr, // tp_repr
0, // tp_as_number
0, // tp_as_sequence
0, // tp_as_mapping
0, // tp_hash
0, // tp_call
0, // tp_str
0, // tp_getattro
0, // tp_setattro
0, // tp_as_buffer
Py_TPFLAGS_DEFAULT, // tp_flags
"Field property of a Message", // tp_doc
0, // tp_traverse
0, // tp_clear
0, // tp_richcompare
0, // tp_weaklistoffset
0, // tp_iter
0, // tp_iternext
0, // tp_methods
0, // tp_members
field::Getters, // tp_getset
0, // tp_base
0, // tp_dict
(descrgetfunc)field::DescrGet, // tp_descr_get
(descrsetfunc)field::DescrSet, // tp_descr_set
0, // tp_dictoffset
0, // tp_init
0, // tp_alloc
0, // tp_new
};
PyTypeObject* CFieldProperty_Type = &_CFieldProperty_Type;
PyObject* NewFieldProperty(const FieldDescriptor* field_descriptor) {
// Create a new descriptor object
PyMessageFieldProperty* property =
PyObject_New(PyMessageFieldProperty, CFieldProperty_Type);
if (property == NULL) {
return NULL;
}
property->field_descriptor = field_descriptor;
return reinterpret_cast<PyObject*>(property);
}
} // namespace python
} // namespace protobuf
} // namespace google
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