Joshua Haberman
3 years ago
committed by
GitHub
commit
6ce7701509
18 changed files with 287 additions and 163 deletions
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/*
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* Copyright (c) 2009-2021, Google LLC |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* * Neither the name of Google LLC nor the |
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* names of its contributors may be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY DIRECT, |
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include "python/extension_dict.h" |
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#include "python/message.h" |
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#include "python/protobuf.h" |
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// -----------------------------------------------------------------------------
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// ExtensionDict
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// -----------------------------------------------------------------------------
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typedef struct { |
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PyObject_HEAD |
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PyObject* msg; // Owning ref to our parent pessage.
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} PyUpb_ExtensionDict; |
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PyObject* PyUpb_ExtensionDict_New(PyObject* msg) { |
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PyUpb_ModuleState* state = PyUpb_ModuleState_Get(); |
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PyUpb_ExtensionDict* ext_dict = |
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(void*)PyType_GenericAlloc(state->extension_dict_type, 0); |
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ext_dict->msg = msg; |
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Py_INCREF(ext_dict->msg); |
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return &ext_dict->ob_base; |
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} |
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static PyObject* PyUpb_ExtensionDict_FindExtensionByName(PyObject* _self, |
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PyObject* key) { |
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PyUpb_ExtensionDict* self = (PyUpb_ExtensionDict*)_self; |
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const char* name = PyUpb_GetStrData(key); |
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const upb_msgdef* m = PyUpb_CMessage_GetMsgdef(self->msg); |
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const upb_filedef* file = upb_msgdef_file(m); |
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const upb_symtab* symtab = upb_filedef_symtab(file); |
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const upb_fielddef* ext = upb_symtab_lookupext(symtab, name); |
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if (ext) { |
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return PyUpb_FieldDescriptor_Get(ext); |
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} else { |
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Py_RETURN_NONE; |
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} |
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} |
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static PyObject* PyUpb_ExtensionDict_FindExtensionByNumber(PyObject* _self, |
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PyObject* arg) { |
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PyUpb_ExtensionDict* self = (PyUpb_ExtensionDict*)_self; |
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const upb_msgdef* m = PyUpb_CMessage_GetMsgdef(self->msg); |
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const upb_msglayout* l = upb_msgdef_layout(m); |
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const upb_filedef* file = upb_msgdef_file(m); |
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const upb_symtab* symtab = upb_filedef_symtab(file); |
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const upb_extreg* reg = upb_symtab_extreg(symtab); |
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int64_t number = PyLong_AsLong(arg); |
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const upb_msglayout_ext* ext = |
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(upb_msglayout_ext*)_upb_extreg_get(reg, l, number); |
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if (ext) { |
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const upb_fielddef* f = _upb_symtab_lookupextfield(symtab, ext); |
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return PyUpb_FieldDescriptor_Get(f); |
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} else { |
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Py_RETURN_NONE; |
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} |
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} |
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static void PyUpb_ExtensionDict_Dealloc(PyUpb_ExtensionDict* self) { |
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PyUpb_CMessage_ClearExtensionDict(self->msg); |
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Py_DECREF(self->msg); |
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PyUpb_Dealloc(self); |
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} |
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static Py_ssize_t PyUpb_ExtensionDict_Length(PyObject* _self) { |
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PyUpb_ExtensionDict* self = (PyUpb_ExtensionDict*)_self; |
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upb_msg* msg = PyUpb_CMessage_GetIfReified(self->msg); |
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return msg ? upb_msg_extcount(msg) : 0; |
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} |
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static PyObject* PyUpb_ExtensionDict_Subscript(PyObject* _self, PyObject* key) { |
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PyUpb_ExtensionDict* self = (PyUpb_ExtensionDict*)_self; |
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const upb_fielddef* f = PyUpb_FieldDescriptor_GetDef(key); |
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if (!f) return NULL; |
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if (!upb_fielddef_isextension(f)) { |
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return PyErr_Format(PyExc_KeyError, "Field %s is not an extension\n", |
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upb_fielddef_fullname(f)); |
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} |
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return PyUpb_CMessage_GetFieldValue(self->msg, f); |
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} |
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int PyUpb_ExtensionDict_AssignSubscript(PyObject* _self, PyObject* key, |
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PyObject* val) { |
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PyUpb_ExtensionDict* self = (PyUpb_ExtensionDict*)_self; |
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const upb_fielddef* f = PyUpb_FieldDescriptor_GetDef(key); |
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if (!f) return -1; |
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if (!upb_fielddef_isextension(f)) { |
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PyErr_Format(PyExc_KeyError, "Field %s is not an extension\n", |
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upb_fielddef_fullname(f)); |
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return -1; |
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} |
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return PyUpb_CMessage_SetFieldValue(self->msg, f, val); |
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} |
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static PyMethodDef PyUpb_ExtensionDict_Methods[] = { |
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{"_FindExtensionByName", PyUpb_ExtensionDict_FindExtensionByName, METH_O, |
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"Finds an extension by name."}, |
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{"_FindExtensionByNumber", PyUpb_ExtensionDict_FindExtensionByNumber, |
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METH_O, "Finds an extension by number."}, |
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{NULL, NULL}, |
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}; |
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static PyType_Slot PyUpb_ExtensionDict_Slots[] = { |
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{Py_tp_dealloc, PyUpb_ExtensionDict_Dealloc}, |
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{Py_tp_methods, PyUpb_ExtensionDict_Methods}, |
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//{Py_tp_getset, PyUpb_ExtensionDict_Getters},
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//{Py_tp_hash, PyObject_HashNotImplemented},
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//{Py_tp_richcompare, PyUpb_ExtensionDict_RichCompare},
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//{Py_tp_iter, PyUpb_ExtensionDict_GetIter},
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{Py_sq_length, PyUpb_ExtensionDict_Length}, |
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//{Py_sq_contains, PyUpb_ExtensionDict_Contains},
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{Py_mp_length, PyUpb_ExtensionDict_Length}, |
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{Py_mp_subscript, PyUpb_ExtensionDict_Subscript}, |
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{Py_mp_ass_subscript, PyUpb_ExtensionDict_AssignSubscript}, |
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{0, NULL}}; |
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static PyType_Spec PyUpb_ExtensionDict_Spec = { |
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PYUPB_MODULE_NAME ".ExtensionDict", // tp_name
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sizeof(PyUpb_ExtensionDict), // tp_basicsize
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0, // tp_itemsize
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Py_TPFLAGS_DEFAULT, // tp_flags
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PyUpb_ExtensionDict_Slots, |
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}; |
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// -----------------------------------------------------------------------------
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// ExtensionIterator
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// -----------------------------------------------------------------------------
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typedef struct { |
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PyObject_HEAD |
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PyObject* arena; |
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} PyUpb_ExtensionIterator; |
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static void PyUpb_ExtensionIterator_Dealloc(PyUpb_ExtensionDict* self) { |
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PyUpb_Dealloc(self); |
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} |
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static PyType_Slot PyUpb_ExtensionIterator_Slots[] = { |
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{Py_tp_dealloc, PyUpb_ExtensionIterator_Dealloc}, |
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{Py_tp_iter, PyObject_SelfIter}, |
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//{Py_tp_iter, PyUpb_ExtensionIterator_GetIter},
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//{Py_tp_iternext, PyUpb_ExtensionIterator_IterNext},
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{0, NULL}}; |
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static PyType_Spec PyUpb_ExtensionIterator_Spec = { |
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PYUPB_MODULE_NAME ".ExtensionIterator", // tp_name
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sizeof(PyUpb_ExtensionDict), // tp_basicsize
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0, // tp_itemsize
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Py_TPFLAGS_DEFAULT, // tp_flags
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PyUpb_ExtensionIterator_Slots, |
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}; |
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// -----------------------------------------------------------------------------
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// Top Level
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// -----------------------------------------------------------------------------
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bool PyUpb_InitExtensionDict(PyObject* m) { |
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PyUpb_ModuleState* s = PyUpb_ModuleState_GetFromModule(m); |
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s->extension_dict_type = PyUpb_AddClass(m, &PyUpb_ExtensionDict_Spec); |
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s->extension_iterator_type = PyUpb_AddClass(m, &PyUpb_ExtensionIterator_Spec); |
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return s->extension_dict_type && s->extension_iterator_type; |
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} |
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@ -0,0 +1,39 @@ |
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/*
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* Copyright (c) 2009-2021, Google LLC |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* * Neither the name of Google LLC nor the |
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* names of its contributors may be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY DIRECT, |
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef PYUPB_EXTENSION_DICT_H__ |
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#define PYUPB_EXTENSION_DICT_H__ |
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#include <stdbool.h> |
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#include "python/python.h" |
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PyObject* PyUpb_ExtensionDict_New(PyObject* msg); |
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bool PyUpb_InitExtensionDict(PyObject* m); |
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#endif // PYUPB_EXTENSION_DICT_H__
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