diff options
Diffstat (limited to 'python/google/protobuf/pyext/extension_dict.cc')
| -rw-r--r-- | python/google/protobuf/pyext/extension_dict.cc | 338 |
1 files changed, 0 insertions, 338 deletions
diff --git a/python/google/protobuf/pyext/extension_dict.cc b/python/google/protobuf/pyext/extension_dict.cc deleted file mode 100644 index 3861c79..0000000 --- a/python/google/protobuf/pyext/extension_dict.cc +++ /dev/null @@ -1,338 +0,0 @@ -// 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. - -// Author: anuraag@google.com (Anuraag Agrawal) -// Author: tibell@google.com (Johan Tibell) - -#include <google/protobuf/pyext/extension_dict.h> - -#include <google/protobuf/stubs/common.h> -#include <google/protobuf/descriptor.h> -#include <google/protobuf/dynamic_message.h> -#include <google/protobuf/message.h> -#include <google/protobuf/pyext/descriptor.h> -#include <google/protobuf/pyext/message.h> -#include <google/protobuf/pyext/repeated_composite_container.h> -#include <google/protobuf/pyext/repeated_scalar_container.h> -#include <google/protobuf/pyext/scoped_pyobject_ptr.h> -#include <google/protobuf/stubs/shared_ptr.h> - -namespace google { -namespace protobuf { -namespace python { - -extern google::protobuf::DynamicMessageFactory* global_message_factory; - -namespace extension_dict { - -// TODO(tibell): Always use self->message for clarity, just like in -// RepeatedCompositeContainer. -static google::protobuf::Message* GetMessage(ExtensionDict* self) { - if (self->parent != NULL) { - return self->parent->message; - } else { - return self->message; - } -} - -CFieldDescriptor* InternalGetCDescriptorFromExtension(PyObject* extension) { - PyObject* cdescriptor = PyObject_GetAttrString(extension, "_cdescriptor"); - if (cdescriptor == NULL) { - PyErr_SetString(PyExc_KeyError, "Unregistered extension."); - return NULL; - } - if (!PyObject_TypeCheck(cdescriptor, &CFieldDescriptor_Type)) { - PyErr_SetString(PyExc_TypeError, "Not a CFieldDescriptor"); - Py_DECREF(cdescriptor); - return NULL; - } - CFieldDescriptor* descriptor = - reinterpret_cast<CFieldDescriptor*>(cdescriptor); - return descriptor; -} - -PyObject* len(ExtensionDict* self) { -#if PY_MAJOR_VERSION >= 3 - return PyLong_FromLong(PyDict_Size(self->values)); -#else - return PyInt_FromLong(PyDict_Size(self->values)); -#endif -} - -// TODO(tibell): Use VisitCompositeField. -int ReleaseExtension(ExtensionDict* self, - PyObject* extension, - const google::protobuf::FieldDescriptor* descriptor) { - if (descriptor->label() == google::protobuf::FieldDescriptor::LABEL_REPEATED) { - if (descriptor->cpp_type() == - google::protobuf::FieldDescriptor::CPPTYPE_MESSAGE) { - if (repeated_composite_container::Release( - reinterpret_cast<RepeatedCompositeContainer*>( - extension)) < 0) { - return -1; - } - } else { - if (repeated_scalar_container::Release( - reinterpret_cast<RepeatedScalarContainer*>( - extension)) < 0) { - return -1; - } - } - } else if (descriptor->cpp_type() == - google::protobuf::FieldDescriptor::CPPTYPE_MESSAGE) { - if (cmessage::ReleaseSubMessage( - GetMessage(self), descriptor, - reinterpret_cast<CMessage*>(extension)) < 0) { - return -1; - } - } - - return 0; -} - -PyObject* subscript(ExtensionDict* self, PyObject* key) { - CFieldDescriptor* cdescriptor = InternalGetCDescriptorFromExtension( - key); - if (cdescriptor == NULL) { - return NULL; - } - ScopedPyObjectPtr py_cdescriptor(reinterpret_cast<PyObject*>(cdescriptor)); - const google::protobuf::FieldDescriptor* descriptor = cdescriptor->descriptor; - if (descriptor == NULL) { - return NULL; - } - if (descriptor->label() != FieldDescriptor::LABEL_REPEATED && - descriptor->cpp_type() != FieldDescriptor::CPPTYPE_MESSAGE) { - return cmessage::InternalGetScalar(self->parent, descriptor); - } - - PyObject* value = PyDict_GetItem(self->values, key); - if (value != NULL) { - Py_INCREF(value); - return value; - } - - if (descriptor->label() != FieldDescriptor::LABEL_REPEATED && - descriptor->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) { - PyObject* sub_message = cmessage::InternalGetSubMessage( - self->parent, cdescriptor); - if (sub_message == NULL) { - return NULL; - } - PyDict_SetItem(self->values, key, sub_message); - return sub_message; - } - - if (descriptor->label() == FieldDescriptor::LABEL_REPEATED) { - if (descriptor->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) { - // COPIED - PyObject* py_container = PyObject_CallObject( - reinterpret_cast<PyObject*>(&RepeatedCompositeContainer_Type), - NULL); - if (py_container == NULL) { - return NULL; - } - RepeatedCompositeContainer* container = - reinterpret_cast<RepeatedCompositeContainer*>(py_container); - PyObject* field = cdescriptor->descriptor_field; - PyObject* message_type = PyObject_GetAttrString(field, "message_type"); - PyObject* concrete_class = PyObject_GetAttrString(message_type, - "_concrete_class"); - container->owner = self->owner; - container->parent = self->parent; - container->message = self->parent->message; - container->parent_field = cdescriptor; - container->subclass_init = concrete_class; - Py_DECREF(message_type); - PyDict_SetItem(self->values, key, py_container); - return py_container; - } else { - // COPIED - ScopedPyObjectPtr init_args(PyTuple_Pack(2, self->parent, cdescriptor)); - PyObject* py_container = PyObject_CallObject( - reinterpret_cast<PyObject*>(&RepeatedScalarContainer_Type), - init_args); - if (py_container == NULL) { - return NULL; - } - PyDict_SetItem(self->values, key, py_container); - return py_container; - } - } - PyErr_SetString(PyExc_ValueError, "control reached unexpected line"); - return NULL; -} - -int ass_subscript(ExtensionDict* self, PyObject* key, PyObject* value) { - CFieldDescriptor* cdescriptor = InternalGetCDescriptorFromExtension( - key); - if (cdescriptor == NULL) { - return -1; - } - ScopedPyObjectPtr py_cdescriptor(reinterpret_cast<PyObject*>(cdescriptor)); - const google::protobuf::FieldDescriptor* descriptor = cdescriptor->descriptor; - if (descriptor->label() != FieldDescriptor::LABEL_OPTIONAL || - descriptor->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) { - PyErr_SetString(PyExc_TypeError, "Extension is repeated and/or composite " - "type"); - return -1; - } - cmessage::AssureWritable(self->parent); - if (cmessage::InternalSetScalar(self->parent, descriptor, value) < 0) { - return -1; - } - // TODO(tibell): We shouldn't write scalars to the cache. - PyDict_SetItem(self->values, key, value); - return 0; -} - -PyObject* ClearExtension(ExtensionDict* self, PyObject* extension) { - CFieldDescriptor* cdescriptor = InternalGetCDescriptorFromExtension( - extension); - if (cdescriptor == NULL) { - return NULL; - } - ScopedPyObjectPtr py_cdescriptor(reinterpret_cast<PyObject*>(cdescriptor)); - PyObject* value = PyDict_GetItem(self->values, extension); - if (value != NULL) { - if (ReleaseExtension(self, value, cdescriptor->descriptor) < 0) { - return NULL; - } - } - if (cmessage::ClearFieldByDescriptor(self->parent, - cdescriptor->descriptor) == NULL) { - return NULL; - } - if (PyDict_DelItem(self->values, extension) < 0) { - PyErr_Clear(); - } - Py_RETURN_NONE; -} - -PyObject* HasExtension(ExtensionDict* self, PyObject* extension) { - CFieldDescriptor* cdescriptor = InternalGetCDescriptorFromExtension( - extension); - if (cdescriptor == NULL) { - return NULL; - } - ScopedPyObjectPtr py_cdescriptor(reinterpret_cast<PyObject*>(cdescriptor)); - PyObject* result = cmessage::HasFieldByDescriptor( - self->parent, cdescriptor->descriptor); - return result; -} - -PyObject* _FindExtensionByName(ExtensionDict* self, PyObject* name) { - ScopedPyObjectPtr extensions_by_name(PyObject_GetAttrString( - reinterpret_cast<PyObject*>(self->parent), "_extensions_by_name")); - if (extensions_by_name == NULL) { - return NULL; - } - PyObject* result = PyDict_GetItem(extensions_by_name, name); - if (result == NULL) { - Py_RETURN_NONE; - } else { - Py_INCREF(result); - return result; - } -} - -int init(ExtensionDict* self, PyObject* args, PyObject* kwargs) { - self->parent = NULL; - self->message = NULL; - self->values = PyDict_New(); - return 0; -} - -void dealloc(ExtensionDict* self) { - Py_CLEAR(self->values); - self->owner.reset(); - Py_TYPE(self)->tp_free(reinterpret_cast<PyObject*>(self)); -} - -static PyMappingMethods MpMethods = { - (lenfunc)len, /* mp_length */ - (binaryfunc)subscript, /* mp_subscript */ - (objobjargproc)ass_subscript,/* mp_ass_subscript */ -}; - -#define EDMETHOD(name, args, doc) { #name, (PyCFunction)name, args, doc } -static PyMethodDef Methods[] = { - EDMETHOD(ClearExtension, METH_O, "Clears an extension from the object."), - EDMETHOD(HasExtension, METH_O, "Checks if the object has an extension."), - EDMETHOD(_FindExtensionByName, METH_O, - "Finds an extension by name."), - { NULL, NULL } -}; - -} // namespace extension_dict - -PyTypeObject ExtensionDict_Type = { - PyVarObject_HEAD_INIT(&PyType_Type, 0) - "google.protobuf.internal." - "cpp._message.ExtensionDict", // tp_name - sizeof(ExtensionDict), // tp_basicsize - 0, // tp_itemsize - (destructor)extension_dict::dealloc, // tp_dealloc - 0, // tp_print - 0, // tp_getattr - 0, // tp_setattr - 0, // tp_compare - 0, // tp_repr - 0, // tp_as_number - 0, // tp_as_sequence - &extension_dict::MpMethods, // 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 - "An extension dict", // tp_doc - 0, // tp_traverse - 0, // tp_clear - 0, // tp_richcompare - 0, // tp_weaklistoffset - 0, // tp_iter - 0, // tp_iternext - extension_dict::Methods, // tp_methods - 0, // tp_members - 0, // tp_getset - 0, // tp_base - 0, // tp_dict - 0, // tp_descr_get - 0, // tp_descr_set - 0, // tp_dictoffset - (initproc)extension_dict::init, // tp_init -}; - -} // namespace python -} // namespace protobuf -} // namespace google |