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Diffstat (limited to 'python/google/protobuf/pyext/descriptor_containers.cc')
| -rw-r--r-- | python/google/protobuf/pyext/descriptor_containers.cc | 1786 |
1 files changed, 0 insertions, 1786 deletions
diff --git a/python/google/protobuf/pyext/descriptor_containers.cc b/python/google/protobuf/pyext/descriptor_containers.cc deleted file mode 100644 index d0aae9c9..00000000 --- a/python/google/protobuf/pyext/descriptor_containers.cc +++ /dev/null @@ -1,1786 +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. - -// Mappings and Sequences of descriptors. -// Used by Descriptor.fields_by_name, EnumDescriptor.values... -// -// They avoid the allocation of a full dictionary or a full list: they simply -// store a pointer to the parent descriptor, use the C++ Descriptor methods (see -// google/protobuf/descriptor.h) to retrieve other descriptors, and create -// Python objects on the fly. -// -// The containers fully conform to abc.Mapping and abc.Sequence, and behave just -// like read-only dictionaries and lists. -// -// Because the interface of C++ Descriptors is quite regular, this file actually -// defines only three types, the exact behavior of a container is controlled by -// a DescriptorContainerDef structure, which contains functions that uses the -// public Descriptor API. -// -// Note: This DescriptorContainerDef is similar to the "virtual methods table" -// that a C++ compiler generates for a class. We have to make it explicit -// because the Python API is based on C, and does not play well with C++ -// inheritance. - -#include <Python.h> - -#include <google/protobuf/descriptor.h> -#include <google/protobuf/pyext/descriptor_containers.h> -#include <google/protobuf/pyext/descriptor_pool.h> -#include <google/protobuf/pyext/descriptor.h> -#include <google/protobuf/pyext/scoped_pyobject_ptr.h> - -#if PY_MAJOR_VERSION >= 3 - #define PyString_FromStringAndSize PyUnicode_FromStringAndSize - #define PyString_FromFormat PyUnicode_FromFormat - #define PyInt_FromLong PyLong_FromLong - #if PY_VERSION_HEX < 0x03030000 - #error "Python 3.0 - 3.2 are not supported." - #endif - #define PyString_AsStringAndSize(ob, charpp, sizep) \ - (PyUnicode_Check(ob)? \ - ((*(charpp) = PyUnicode_AsUTF8AndSize(ob, (sizep))) == NULL? -1: 0): \ - PyBytes_AsStringAndSize(ob, (charpp), (sizep))) -#endif - -namespace google { -namespace protobuf { -namespace python { - -struct PyContainer; - -typedef int (*CountMethod)(PyContainer* self); -typedef const void* (*GetByIndexMethod)(PyContainer* self, int index); -typedef const void* (*GetByNameMethod)(PyContainer* self, const string& name); -typedef const void* (*GetByCamelcaseNameMethod)(PyContainer* self, - const string& name); -typedef const void* (*GetByNumberMethod)(PyContainer* self, int index); -typedef PyObject* (*NewObjectFromItemMethod)(const void* descriptor); -typedef const string& (*GetItemNameMethod)(const void* descriptor); -typedef const string& (*GetItemCamelcaseNameMethod)(const void* descriptor); -typedef int (*GetItemNumberMethod)(const void* descriptor); -typedef int (*GetItemIndexMethod)(const void* descriptor); - -struct DescriptorContainerDef { - const char* mapping_name; - // Returns the number of items in the container. - CountMethod count_fn; - // Retrieve item by index (usually the order of declaration in the proto file) - // Used by sequences, but also iterators. 0 <= index < Count(). - GetByIndexMethod get_by_index_fn; - // Retrieve item by name (usually a call to some 'FindByName' method). - // Used by "by_name" mappings. - GetByNameMethod get_by_name_fn; - // Retrieve item by camelcase name (usually a call to some - // 'FindByCamelcaseName' method). Used by "by_camelcase_name" mappings. - GetByCamelcaseNameMethod get_by_camelcase_name_fn; - // Retrieve item by declared number (field tag, or enum value). - // Used by "by_number" mappings. - GetByNumberMethod get_by_number_fn; - // Converts a item C++ descriptor to a Python object. Returns a new reference. - NewObjectFromItemMethod new_object_from_item_fn; - // Retrieve the name of an item. Used by iterators on "by_name" mappings. - GetItemNameMethod get_item_name_fn; - // Retrieve the camelcase name of an item. Used by iterators on - // "by_camelcase_name" mappings. - GetItemCamelcaseNameMethod get_item_camelcase_name_fn; - // Retrieve the number of an item. Used by iterators on "by_number" mappings. - GetItemNumberMethod get_item_number_fn; - // Retrieve the index of an item for the container type. - // Used by "__contains__". - // If not set, "x in sequence" will do a linear search. - GetItemIndexMethod get_item_index_fn; -}; - -struct PyContainer { - PyObject_HEAD - - // The proto2 descriptor this container belongs to the global DescriptorPool. - const void* descriptor; - - // A pointer to a static structure with function pointers that control the - // behavior of the container. Very similar to the table of virtual functions - // of a C++ class. - const DescriptorContainerDef* container_def; - - // The kind of container: list, or dict by name or value. - enum ContainerKind { - KIND_SEQUENCE, - KIND_BYNAME, - KIND_BYCAMELCASENAME, - KIND_BYNUMBER, - } kind; -}; - -struct PyContainerIterator { - PyObject_HEAD - - // The container we are iterating over. Own a reference. - PyContainer* container; - - // The current index in the iterator. - int index; - - // The kind of container: list, or dict by name or value. - enum IterKind { - KIND_ITERKEY, - KIND_ITERVALUE, - KIND_ITERITEM, - KIND_ITERVALUE_REVERSED, // For sequences - } kind; -}; - -namespace descriptor { - -// Returns the C++ item descriptor for a given Python key. -// When the descriptor is found, return true and set *item. -// When the descriptor is not found, return true, but set *item to NULL. -// On error, returns false with an exception set. -static bool _GetItemByKey(PyContainer* self, PyObject* key, const void** item) { - switch (self->kind) { - case PyContainer::KIND_BYNAME: - { - char* name; - Py_ssize_t name_size; - if (PyString_AsStringAndSize(key, &name, &name_size) < 0) { - if (PyErr_ExceptionMatches(PyExc_TypeError)) { - // Not a string, cannot be in the container. - PyErr_Clear(); - *item = NULL; - return true; - } - return false; - } - *item = self->container_def->get_by_name_fn( - self, string(name, name_size)); - return true; - } - case PyContainer::KIND_BYCAMELCASENAME: - { - char* camelcase_name; - Py_ssize_t name_size; - if (PyString_AsStringAndSize(key, &camelcase_name, &name_size) < 0) { - if (PyErr_ExceptionMatches(PyExc_TypeError)) { - // Not a string, cannot be in the container. - PyErr_Clear(); - *item = NULL; - return true; - } - return false; - } - *item = self->container_def->get_by_camelcase_name_fn( - self, string(camelcase_name, name_size)); - return true; - } - case PyContainer::KIND_BYNUMBER: - { - Py_ssize_t number = PyNumber_AsSsize_t(key, NULL); - if (number == -1 && PyErr_Occurred()) { - if (PyErr_ExceptionMatches(PyExc_TypeError)) { - // Not a number, cannot be in the container. - PyErr_Clear(); - *item = NULL; - return true; - } - return false; - } - *item = self->container_def->get_by_number_fn(self, number); - return true; - } - default: - PyErr_SetNone(PyExc_NotImplementedError); - return false; - } -} - -// Returns the key of the object at the given index. -// Used when iterating over mappings. -static PyObject* _NewKey_ByIndex(PyContainer* self, Py_ssize_t index) { - const void* item = self->container_def->get_by_index_fn(self, index); - switch (self->kind) { - case PyContainer::KIND_BYNAME: - { - const string& name(self->container_def->get_item_name_fn(item)); - return PyString_FromStringAndSize(name.c_str(), name.size()); - } - case PyContainer::KIND_BYCAMELCASENAME: - { - const string& name( - self->container_def->get_item_camelcase_name_fn(item)); - return PyString_FromStringAndSize(name.c_str(), name.size()); - } - case PyContainer::KIND_BYNUMBER: - { - int value = self->container_def->get_item_number_fn(item); - return PyInt_FromLong(value); - } - default: - PyErr_SetNone(PyExc_NotImplementedError); - return NULL; - } -} - -// Returns the object at the given index. -// Also used when iterating over mappings. -static PyObject* _NewObj_ByIndex(PyContainer* self, Py_ssize_t index) { - return self->container_def->new_object_from_item_fn( - self->container_def->get_by_index_fn(self, index)); -} - -static Py_ssize_t Length(PyContainer* self) { - return self->container_def->count_fn(self); -} - -// The DescriptorMapping type. - -static PyObject* Subscript(PyContainer* self, PyObject* key) { - const void* item = NULL; - if (!_GetItemByKey(self, key, &item)) { - return NULL; - } - if (!item) { - PyErr_SetObject(PyExc_KeyError, key); - return NULL; - } - return self->container_def->new_object_from_item_fn(item); -} - -static int AssSubscript(PyContainer* self, PyObject* key, PyObject* value) { - if (_CalledFromGeneratedFile(0)) { - return 0; - } - PyErr_Format(PyExc_TypeError, - "'%.200s' object does not support item assignment", - Py_TYPE(self)->tp_name); - return -1; -} - -static PyMappingMethods MappingMappingMethods = { - (lenfunc)Length, // mp_length - (binaryfunc)Subscript, // mp_subscript - (objobjargproc)AssSubscript, // mp_ass_subscript -}; - -static int Contains(PyContainer* self, PyObject* key) { - const void* item = NULL; - if (!_GetItemByKey(self, key, &item)) { - return -1; - } - if (item) { - return 1; - } else { - return 0; - } -} - -static PyObject* ContainerRepr(PyContainer* self) { - const char* kind = ""; - switch (self->kind) { - case PyContainer::KIND_SEQUENCE: - kind = "sequence"; - break; - case PyContainer::KIND_BYNAME: - kind = "mapping by name"; - break; - case PyContainer::KIND_BYCAMELCASENAME: - kind = "mapping by camelCase name"; - break; - case PyContainer::KIND_BYNUMBER: - kind = "mapping by number"; - break; - } - return PyString_FromFormat( - "<%s %s>", self->container_def->mapping_name, kind); -} - -extern PyTypeObject DescriptorMapping_Type; -extern PyTypeObject DescriptorSequence_Type; - -// A sequence container can only be equal to another sequence container, or (for -// backward compatibility) to a list containing the same items. -// Returns 1 if equal, 0 if unequal, -1 on error. -static int DescriptorSequence_Equal(PyContainer* self, PyObject* other) { - // Check the identity of C++ pointers. - if (PyObject_TypeCheck(other, &DescriptorSequence_Type)) { - PyContainer* other_container = reinterpret_cast<PyContainer*>(other); - if (self->descriptor == other_container->descriptor && - self->container_def == other_container->container_def && - self->kind == other_container->kind) { - return 1; - } else { - return 0; - } - } - - // If other is a list - if (PyList_Check(other)) { - // return list(self) == other - int size = Length(self); - if (size != PyList_Size(other)) { - return false; - } - for (int index = 0; index < size; index++) { - ScopedPyObjectPtr value1(_NewObj_ByIndex(self, index)); - if (value1 == NULL) { - return -1; - } - PyObject* value2 = PyList_GetItem(other, index); - if (value2 == NULL) { - return -1; - } - int cmp = PyObject_RichCompareBool(value1.get(), value2, Py_EQ); - if (cmp != 1) // error or not equal - return cmp; - } - // All items were found and equal - return 1; - } - - // Any other object is different. - return 0; -} - -// A mapping container can only be equal to another mapping container, or (for -// backward compatibility) to a dict containing the same items. -// Returns 1 if equal, 0 if unequal, -1 on error. -static int DescriptorMapping_Equal(PyContainer* self, PyObject* other) { - // Check the identity of C++ pointers. - if (PyObject_TypeCheck(other, &DescriptorMapping_Type)) { - PyContainer* other_container = reinterpret_cast<PyContainer*>(other); - if (self->descriptor == other_container->descriptor && - self->container_def == other_container->container_def && - self->kind == other_container->kind) { - return 1; - } else { - return 0; - } - } - - // If other is a dict - if (PyDict_Check(other)) { - // equivalent to dict(self.items()) == other - int size = Length(self); - if (size != PyDict_Size(other)) { - return false; - } - for (int index = 0; index < size; index++) { - ScopedPyObjectPtr key(_NewKey_ByIndex(self, index)); - if (key == NULL) { - return -1; - } - ScopedPyObjectPtr value1(_NewObj_ByIndex(self, index)); - if (value1 == NULL) { - return -1; - } - PyObject* value2 = PyDict_GetItem(other, key.get()); - if (value2 == NULL) { - // Not found in the other dictionary - return 0; - } - int cmp = PyObject_RichCompareBool(value1.get(), value2, Py_EQ); - if (cmp != 1) // error or not equal - return cmp; - } - // All items were found and equal - return 1; - } - - // Any other object is different. - return 0; -} - -static PyObject* RichCompare(PyContainer* self, PyObject* other, int opid) { - if (opid != Py_EQ && opid != Py_NE) { - Py_INCREF(Py_NotImplemented); - return Py_NotImplemented; - } - - int result; - - if (self->kind == PyContainer::KIND_SEQUENCE) { - result = DescriptorSequence_Equal(self, other); - } else { - result = DescriptorMapping_Equal(self, other); - } - if (result < 0) { - return NULL; - } - if (result ^ (opid == Py_NE)) { - Py_RETURN_TRUE; - } else { - Py_RETURN_FALSE; - } -} - -static PySequenceMethods MappingSequenceMethods = { - 0, // sq_length - 0, // sq_concat - 0, // sq_repeat - 0, // sq_item - 0, // sq_slice - 0, // sq_ass_item - 0, // sq_ass_slice - (objobjproc)Contains, // sq_contains -}; - -static PyObject* Get(PyContainer* self, PyObject* args) { - PyObject* key; - PyObject* default_value = Py_None; - if (!PyArg_UnpackTuple(args, "get", 1, 2, &key, &default_value)) { - return NULL; - } - - const void* item; - if (!_GetItemByKey(self, key, &item)) { - return NULL; - } - if (item == NULL) { - Py_INCREF(default_value); - return default_value; - } - return self->container_def->new_object_from_item_fn(item); -} - -static PyObject* Keys(PyContainer* self, PyObject* args) { - Py_ssize_t count = Length(self); - ScopedPyObjectPtr list(PyList_New(count)); - if (list == NULL) { - return NULL; - } - for (Py_ssize_t index = 0; index < count; ++index) { - PyObject* key = _NewKey_ByIndex(self, index); - if (key == NULL) { - return NULL; - } - PyList_SET_ITEM(list.get(), index, key); - } - return list.release(); -} - -static PyObject* Values(PyContainer* self, PyObject* args) { - Py_ssize_t count = Length(self); - ScopedPyObjectPtr list(PyList_New(count)); - if (list == NULL) { - return NULL; - } - for (Py_ssize_t index = 0; index < count; ++index) { - PyObject* value = _NewObj_ByIndex(self, index); - if (value == NULL) { - return NULL; - } - PyList_SET_ITEM(list.get(), index, value); - } - return list.release(); -} - -static PyObject* Items(PyContainer* self, PyObject* args) { - Py_ssize_t count = Length(self); - ScopedPyObjectPtr list(PyList_New(count)); - if (list == NULL) { - return NULL; - } - for (Py_ssize_t index = 0; index < count; ++index) { - ScopedPyObjectPtr obj(PyTuple_New(2)); - if (obj == NULL) { - return NULL; - } - PyObject* key = _NewKey_ByIndex(self, index); - if (key == NULL) { - return NULL; - } - PyTuple_SET_ITEM(obj.get(), 0, key); - PyObject* value = _NewObj_ByIndex(self, index); - if (value == NULL) { - return NULL; - } - PyTuple_SET_ITEM(obj.get(), 1, value); - PyList_SET_ITEM(list.get(), index, obj.release()); - } - return list.release(); -} - -static PyObject* NewContainerIterator(PyContainer* mapping, - PyContainerIterator::IterKind kind); - -static PyObject* Iter(PyContainer* self) { - return NewContainerIterator(self, PyContainerIterator::KIND_ITERKEY); -} -static PyObject* IterKeys(PyContainer* self, PyObject* args) { - return NewContainerIterator(self, PyContainerIterator::KIND_ITERKEY); -} -static PyObject* IterValues(PyContainer* self, PyObject* args) { - return NewContainerIterator(self, PyContainerIterator::KIND_ITERVALUE); -} -static PyObject* IterItems(PyContainer* self, PyObject* args) { - return NewContainerIterator(self, PyContainerIterator::KIND_ITERITEM); -} - -static PyMethodDef MappingMethods[] = { - { "get", (PyCFunction)Get, METH_VARARGS, }, - { "keys", (PyCFunction)Keys, METH_NOARGS, }, - { "values", (PyCFunction)Values, METH_NOARGS, }, - { "items", (PyCFunction)Items, METH_NOARGS, }, - { "iterkeys", (PyCFunction)IterKeys, METH_NOARGS, }, - { "itervalues", (PyCFunction)IterValues, METH_NOARGS, }, - { "iteritems", (PyCFunction)IterItems, METH_NOARGS, }, - {NULL} -}; - -PyTypeObject DescriptorMapping_Type = { - PyVarObject_HEAD_INIT(&PyType_Type, 0) - "DescriptorMapping", // tp_name - sizeof(PyContainer), // tp_basicsize - 0, // tp_itemsize - 0, // tp_dealloc - 0, // tp_print - 0, // tp_getattr - 0, // tp_setattr - 0, // tp_compare - (reprfunc)ContainerRepr, // tp_repr - 0, // tp_as_number - &MappingSequenceMethods, // tp_as_sequence - &MappingMappingMethods, // 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 - 0, // tp_doc - 0, // tp_traverse - 0, // tp_clear - (richcmpfunc)RichCompare, // tp_richcompare - 0, // tp_weaklistoffset - (getiterfunc)Iter, // tp_iter - 0, // tp_iternext - MappingMethods, // 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 - 0, // tp_init - 0, // tp_alloc - 0, // tp_new - 0, // tp_free -}; - -// The DescriptorSequence type. - -static PyObject* GetItem(PyContainer* self, Py_ssize_t index) { - if (index < 0) { - index += Length(self); - } - if (index < 0 || index >= Length(self)) { - PyErr_SetString(PyExc_IndexError, "index out of range"); - return NULL; - } - return _NewObj_ByIndex(self, index); -} - -static PyObject * -SeqSubscript(PyContainer* self, PyObject* item) { - if (PyIndex_Check(item)) { - Py_ssize_t index; - index = PyNumber_AsSsize_t(item, PyExc_IndexError); - if (index == -1 && PyErr_Occurred()) - return NULL; - return GetItem(self, index); - } - // Materialize the list and delegate the operation to it. - ScopedPyObjectPtr list(PyObject_CallFunctionObjArgs( - reinterpret_cast<PyObject*>(&PyList_Type), self, NULL)); - if (list == NULL) { - return NULL; - } - return Py_TYPE(list.get())->tp_as_mapping->mp_subscript(list.get(), item); -} - -// Returns the position of the item in the sequence, of -1 if not found. -// This function never fails. -int Find(PyContainer* self, PyObject* item) { - // The item can only be in one position: item.index. - // Check that self[item.index] == item, it's faster than a linear search. - // - // This assumes that sequences are only defined by syntax of the .proto file: - // a specific item belongs to only one sequence, depending on its position in - // the .proto file definition. - const void* descriptor_ptr = PyDescriptor_AsVoidPtr(item); - if (descriptor_ptr == NULL) { - // Not a descriptor, it cannot be in the list. - return -1; - } - if (self->container_def->get_item_index_fn) { - int index = self->container_def->get_item_index_fn(descriptor_ptr); - if (index < 0 || index >= Length(self)) { - // This index is not from this collection. - return -1; - } - if (self->container_def->get_by_index_fn(self, index) != descriptor_ptr) { - // The descriptor at this index is not the same. - return -1; - } - // self[item.index] == item, so return the index. - return index; - } else { - // Fall back to linear search. - int length = Length(self); - for (int index=0; index < length; index++) { - if (self->container_def->get_by_index_fn(self, index) == descriptor_ptr) { - return index; - } - } - // Not found - return -1; - } -} - -// Implements list.index(): the position of the item is in the sequence. -static PyObject* Index(PyContainer* self, PyObject* item) { - int position = Find(self, item); - if (position < 0) { - // Not found - PyErr_SetNone(PyExc_ValueError); - return NULL; - } else { - return PyInt_FromLong(position); - } -} -// Implements "list.__contains__()": is the object in the sequence. -static int SeqContains(PyContainer* self, PyObject* item) { - int position = Find(self, item); - if (position < 0) { - return 0; - } else { - return 1; - } -} - -// Implements list.count(): number of occurrences of the item in the sequence. -// An item can only appear once in a sequence. If it exists, return 1. -static PyObject* Count(PyContainer* self, PyObject* item) { - int position = Find(self, item); - if (position < 0) { - return PyInt_FromLong(0); - } else { - return PyInt_FromLong(1); - } -} - -static PyObject* Append(PyContainer* self, PyObject* args) { - if (_CalledFromGeneratedFile(0)) { - Py_RETURN_NONE; - } - PyErr_Format(PyExc_TypeError, - "'%.200s' object is not a mutable sequence", - Py_TYPE(self)->tp_name); - return NULL; -} - -static PyObject* Reversed(PyContainer* self, PyObject* args) { - return NewContainerIterator(self, - PyContainerIterator::KIND_ITERVALUE_REVERSED); -} - -static PyMethodDef SeqMethods[] = { - { "index", (PyCFunction)Index, METH_O, }, - { "count", (PyCFunction)Count, METH_O, }, - { "append", (PyCFunction)Append, METH_O, }, - { "__reversed__", (PyCFunction)Reversed, METH_NOARGS, }, - {NULL} -}; - -static PySequenceMethods SeqSequenceMethods = { - (lenfunc)Length, // sq_length - 0, // sq_concat - 0, // sq_repeat - (ssizeargfunc)GetItem, // sq_item - 0, // sq_slice - 0, // sq_ass_item - 0, // sq_ass_slice - (objobjproc)SeqContains, // sq_contains -}; - -static PyMappingMethods SeqMappingMethods = { - (lenfunc)Length, // mp_length - (binaryfunc)SeqSubscript, // mp_subscript - 0, // mp_ass_subscript -}; - -PyTypeObject DescriptorSequence_Type = { - PyVarObject_HEAD_INIT(&PyType_Type, 0) - "DescriptorSequence", // tp_name - sizeof(PyContainer), // tp_basicsize - 0, // tp_itemsize - 0, // tp_dealloc - 0, // tp_print - 0, // tp_getattr - 0, // tp_setattr - 0, // tp_compare - (reprfunc)ContainerRepr, // tp_repr - 0, // tp_as_number - &SeqSequenceMethods, // tp_as_sequence - &SeqMappingMethods, // 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 - 0, // tp_doc - 0, // tp_traverse - 0, // tp_clear - (richcmpfunc)RichCompare, // tp_richcompare - 0, // tp_weaklistoffset - 0, // tp_iter - 0, // tp_iternext - SeqMethods, // 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 - 0, // tp_init - 0, // tp_alloc - 0, // tp_new - 0, // tp_free -}; - -static PyObject* NewMappingByName( - DescriptorContainerDef* container_def, const void* descriptor) { - PyContainer* self = PyObject_New(PyContainer, &DescriptorMapping_Type); - if (self == NULL) { - return NULL; - } - self->descriptor = descriptor; - self->container_def = container_def; - self->kind = PyContainer::KIND_BYNAME; - return reinterpret_cast<PyObject*>(self); -} - -static PyObject* NewMappingByCamelcaseName( - DescriptorContainerDef* container_def, const void* descriptor) { - PyContainer* self = PyObject_New(PyContainer, &DescriptorMapping_Type); - if (self == NULL) { - return NULL; - } - self->descriptor = descriptor; - self->container_def = container_def; - self->kind = PyContainer::KIND_BYCAMELCASENAME; - return reinterpret_cast<PyObject*>(self); -} - -static PyObject* NewMappingByNumber( - DescriptorContainerDef* container_def, const void* descriptor) { - if (container_def->get_by_number_fn == NULL || - container_def->get_item_number_fn == NULL) { - PyErr_SetNone(PyExc_NotImplementedError); - return NULL; - } - PyContainer* self = PyObject_New(PyContainer, &DescriptorMapping_Type); - if (self == NULL) { - return NULL; - } - self->descriptor = descriptor; - self->container_def = container_def; - self->kind = PyContainer::KIND_BYNUMBER; - return reinterpret_cast<PyObject*>(self); -} - -static PyObject* NewSequence( - DescriptorContainerDef* container_def, const void* descriptor) { - PyContainer* self = PyObject_New(PyContainer, &DescriptorSequence_Type); - if (self == NULL) { - return NULL; - } - self->descriptor = descriptor; - self->container_def = container_def; - self->kind = PyContainer::KIND_SEQUENCE; - return reinterpret_cast<PyObject*>(self); -} - -// Implement iterators over PyContainers. - -static void Iterator_Dealloc(PyContainerIterator* self) { - Py_CLEAR(self->container); - Py_TYPE(self)->tp_free(reinterpret_cast<PyObject*>(self)); -} - -static PyObject* Iterator_Next(PyContainerIterator* self) { - int count = self->container->container_def->count_fn(self->container); - if (self->index >= count) { - // Return NULL with no exception to indicate the end. - return NULL; - } - int index = self->index; - self->index += 1; - switch (self->kind) { - case PyContainerIterator::KIND_ITERKEY: - return _NewKey_ByIndex(self->container, index); - case PyContainerIterator::KIND_ITERVALUE: - return _NewObj_ByIndex(self->container, index); - case PyContainerIterator::KIND_ITERVALUE_REVERSED: - return _NewObj_ByIndex(self->container, count - index - 1); - case PyContainerIterator::KIND_ITERITEM: - { - PyObject* obj = PyTuple_New(2); - if (obj == NULL) { - return NULL; - } - PyObject* key = _NewKey_ByIndex(self->container, index); - if (key == NULL) { - Py_DECREF(obj); - return NULL; - } - PyTuple_SET_ITEM(obj, 0, key); - PyObject* value = _NewObj_ByIndex(self->container, index); - if (value == NULL) { - Py_DECREF(obj); - return NULL; - } - PyTuple_SET_ITEM(obj, 1, value); - return obj; - } - default: - PyErr_SetNone(PyExc_NotImplementedError); - return NULL; - } -} - -static PyTypeObject ContainerIterator_Type = { - PyVarObject_HEAD_INIT(&PyType_Type, 0) - "DescriptorContainerIterator", // tp_name - sizeof(PyContainerIterator), // tp_basicsize - 0, // tp_itemsize - (destructor)Iterator_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 - 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 - 0, // tp_doc - 0, // tp_traverse - 0, // tp_clear - 0, // tp_richcompare - 0, // tp_weaklistoffset - PyObject_SelfIter, // tp_iter - (iternextfunc)Iterator_Next, // tp_iternext - 0, // 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 - 0, // tp_init - 0, // tp_alloc - 0, // tp_new - 0, // tp_free -}; - -static PyObject* NewContainerIterator(PyContainer* container, - PyContainerIterator::IterKind kind) { - PyContainerIterator* self = PyObject_New(PyContainerIterator, - &ContainerIterator_Type); - if (self == NULL) { - return NULL; - } - Py_INCREF(container); - self->container = container; - self->kind = kind; - self->index = 0; - - return reinterpret_cast<PyObject*>(self); -} - -} // namespace descriptor - -// Now define the real collections! - -namespace message_descriptor { - -typedef const Descriptor* ParentDescriptor; - -static ParentDescriptor GetDescriptor(PyContainer* self) { - return reinterpret_cast<ParentDescriptor>(self->descriptor); -} - -namespace fields { - -typedef const FieldDescriptor* ItemDescriptor; - -static int Count(PyContainer* self) { - return GetDescriptor(self)->field_count(); -} - -static ItemDescriptor GetByName(PyContainer* self, const string& name) { - return GetDescriptor(self)->FindFieldByName(name); -} - -static ItemDescriptor GetByCamelcaseName(PyContainer* self, - const string& name) { - return GetDescriptor(self)->FindFieldByCamelcaseName(name); -} - -static ItemDescriptor GetByNumber(PyContainer* self, int number) { - return GetDescriptor(self)->FindFieldByNumber(number); -} - -static ItemDescriptor GetByIndex(PyContainer* self, int index) { - return GetDescriptor(self)->field(index); -} - -static PyObject* NewObjectFromItem(ItemDescriptor item) { - return PyFieldDescriptor_FromDescriptor(item); -} - -static const string& GetItemName(ItemDescriptor item) { - return item->name(); -} - -static const string& GetItemCamelcaseName(ItemDescriptor item) { - return item->camelcase_name(); -} - -static int GetItemNumber(ItemDescriptor item) { - return item->number(); -} - -static int GetItemIndex(ItemDescriptor item) { - return item->index(); -} - -static DescriptorContainerDef ContainerDef = { - "MessageFields", - (CountMethod)Count, - (GetByIndexMethod)GetByIndex, - (GetByNameMethod)GetByName, - (GetByCamelcaseNameMethod)GetByCamelcaseName, - (GetByNumberMethod)GetByNumber, - (NewObjectFromItemMethod)NewObjectFromItem, - (GetItemNameMethod)GetItemName, - (GetItemCamelcaseNameMethod)GetItemCamelcaseName, - (GetItemNumberMethod)GetItemNumber, - (GetItemIndexMethod)GetItemIndex, -}; - -} // namespace fields - -PyObject* NewMessageFieldsByName(ParentDescriptor descriptor) { - return descriptor::NewMappingByName(&fields::ContainerDef, descriptor); -} - -PyObject* NewMessageFieldsByCamelcaseName(ParentDescriptor descriptor) { - return descriptor::NewMappingByCamelcaseName(&fields::ContainerDef, - descriptor); -} - -PyObject* NewMessageFieldsByNumber(ParentDescriptor descriptor) { - return descriptor::NewMappingByNumber(&fields::ContainerDef, descriptor); -} - -PyObject* NewMessageFieldsSeq(ParentDescriptor descriptor) { - return descriptor::NewSequence(&fields::ContainerDef, descriptor); -} - -namespace nested_types { - -typedef const Descriptor* ItemDescriptor; - -static int Count(PyContainer* self) { - return GetDescriptor(self)->nested_type_count(); -} - -static ItemDescriptor GetByName(PyContainer* self, const string& name) { - return GetDescriptor(self)->FindNestedTypeByName(name); -} - -static ItemDescriptor GetByIndex(PyContainer* self, int index) { - return GetDescriptor(self)->nested_type(index); -} - -static PyObject* NewObjectFromItem(ItemDescriptor item) { - return PyMessageDescriptor_FromDescriptor(item); -} - -static const string& GetItemName(ItemDescriptor item) { - return item->name(); -} - -static int GetItemIndex(ItemDescriptor item) { - return item->index(); -} - -static DescriptorContainerDef ContainerDef = { - "MessageNestedTypes", - (CountMethod)Count, - (GetByIndexMethod)GetByIndex, - (GetByNameMethod)GetByName, - (GetByCamelcaseNameMethod)NULL, - (GetByNumberMethod)NULL, - (NewObjectFromItemMethod)NewObjectFromItem, - (GetItemNameMethod)GetItemName, - (GetItemCamelcaseNameMethod)NULL, - (GetItemNumberMethod)NULL, - (GetItemIndexMethod)GetItemIndex, -}; - -} // namespace nested_types - -PyObject* NewMessageNestedTypesSeq(ParentDescriptor descriptor) { - return descriptor::NewSequence(&nested_types::ContainerDef, descriptor); -} - -PyObject* NewMessageNestedTypesByName(ParentDescriptor descriptor) { - return descriptor::NewMappingByName(&nested_types::ContainerDef, descriptor); -} - -namespace enums { - -typedef const EnumDescriptor* ItemDescriptor; - -static int Count(PyContainer* self) { - return GetDescriptor(self)->enum_type_count(); -} - -static ItemDescriptor GetByName(PyContainer* self, const string& name) { - return GetDescriptor(self)->FindEnumTypeByName(name); -} - -static ItemDescriptor GetByIndex(PyContainer* self, int index) { - return GetDescriptor(self)->enum_type(index); -} - -static PyObject* NewObjectFromItem(ItemDescriptor item) { - return PyEnumDescriptor_FromDescriptor(item); -} - -static const string& GetItemName(ItemDescriptor item) { - return item->name(); -} - -static int GetItemIndex(ItemDescriptor item) { - return item->index(); -} - -static DescriptorContainerDef ContainerDef = { - "MessageNestedEnums", - (CountMethod)Count, - (GetByIndexMethod)GetByIndex, - (GetByNameMethod)GetByName, - (GetByCamelcaseNameMethod)NULL, - (GetByNumberMethod)NULL, - (NewObjectFromItemMethod)NewObjectFromItem, - (GetItemNameMethod)GetItemName, - (GetItemCamelcaseNameMethod)NULL, - (GetItemNumberMethod)NULL, - (GetItemIndexMethod)GetItemIndex, -}; - -} // namespace enums - -PyObject* NewMessageEnumsByName(ParentDescriptor descriptor) { - return descriptor::NewMappingByName(&enums::ContainerDef, descriptor); -} - -PyObject* NewMessageEnumsSeq(ParentDescriptor descriptor) { - return descriptor::NewSequence(&enums::ContainerDef, descriptor); -} - -namespace enumvalues { - -// This is the "enum_values_by_name" mapping, which collects values from all -// enum types in a message. -// -// Note that the behavior of the C++ descriptor is different: it will search and -// return the first value that matches the name, whereas the Python -// implementation retrieves the last one. - -typedef const EnumValueDescriptor* ItemDescriptor; - -static int Count(PyContainer* self) { - int count = 0; - for (int i = 0; i < GetDescriptor(self)->enum_type_count(); ++i) { - count += GetDescriptor(self)->enum_type(i)->value_count(); - } - return count; -} - -static ItemDescriptor GetByName(PyContainer* self, const string& name) { - return GetDescriptor(self)->FindEnumValueByName(name); -} - -static ItemDescriptor GetByIndex(PyContainer* self, int index) { - // This is not optimal, but the number of enums *types* in a given message - // is small. This function is only used when iterating over the mapping. - const EnumDescriptor* enum_type = NULL; - int enum_type_count = GetDescriptor(self)->enum_type_count(); - for (int i = 0; i < enum_type_count; ++i) { - enum_type = GetDescriptor(self)->enum_type(i); - int enum_value_count = enum_type->value_count(); - if (index < enum_value_count) { - // Found it! - break; - } - index -= enum_value_count; - } - // The next statement cannot overflow, because this function is only called by - // internal iterators which ensure that 0 <= index < Count(). - return enum_type->value(index); -} - -static PyObject* NewObjectFromItem(ItemDescriptor item) { - return PyEnumValueDescriptor_FromDescriptor(item); -} - -static const string& GetItemName(ItemDescriptor item) { - return item->name(); -} - -static DescriptorContainerDef ContainerDef = { - "MessageEnumValues", - (CountMethod)Count, - (GetByIndexMethod)GetByIndex, - (GetByNameMethod)GetByName, - (GetByCamelcaseNameMethod)NULL, - (GetByNumberMethod)NULL, - (NewObjectFromItemMethod)NewObjectFromItem, - (GetItemNameMethod)GetItemName, - (GetItemCamelcaseNameMethod)NULL, - (GetItemNumberMethod)NULL, - (GetItemIndexMethod)NULL, -}; - -} // namespace enumvalues - -PyObject* NewMessageEnumValuesByName(ParentDescriptor descriptor) { - return descriptor::NewMappingByName(&enumvalues::ContainerDef, descriptor); -} - -namespace extensions { - -typedef const FieldDescriptor* ItemDescriptor; - -static int Count(PyContainer* self) { - return GetDescriptor(self)->extension_count(); -} - -static ItemDescriptor GetByName(PyContainer* self, const string& name) { - return GetDescriptor(self)->FindExtensionByName(name); -} - -static ItemDescriptor GetByIndex(PyContainer* self, int index) { - return GetDescriptor(self)->extension(index); -} - -static PyObject* NewObjectFromItem(ItemDescriptor item) { - return PyFieldDescriptor_FromDescriptor(item); -} - -static const string& GetItemName(ItemDescriptor item) { - return item->name(); -} - -static int GetItemIndex(ItemDescriptor item) { - return item->index(); -} - -static DescriptorContainerDef ContainerDef = { - "MessageExtensions", - (CountMethod)Count, - (GetByIndexMethod)GetByIndex, - (GetByNameMethod)GetByName, - (GetByCamelcaseNameMethod)NULL, - (GetByNumberMethod)NULL, - (NewObjectFromItemMethod)NewObjectFromItem, - (GetItemNameMethod)GetItemName, - (GetItemCamelcaseNameMethod)NULL, - (GetItemNumberMethod)NULL, - (GetItemIndexMethod)GetItemIndex, -}; - -} // namespace extensions - -PyObject* NewMessageExtensionsByName(ParentDescriptor descriptor) { - return descriptor::NewMappingByName(&extensions::ContainerDef, descriptor); -} - -PyObject* NewMessageExtensionsSeq(ParentDescriptor descriptor) { - return descriptor::NewSequence(&extensions::ContainerDef, descriptor); -} - -namespace oneofs { - -typedef const OneofDescriptor* ItemDescriptor; - -static int Count(PyContainer* self) { - return GetDescriptor(self)->oneof_decl_count(); -} - -static ItemDescriptor GetByName(PyContainer* self, const string& name) { - return GetDescriptor(self)->FindOneofByName(name); -} - -static ItemDescriptor GetByIndex(PyContainer* self, int index) { - return GetDescriptor(self)->oneof_decl(index); -} - -static PyObject* NewObjectFromItem(ItemDescriptor item) { - return PyOneofDescriptor_FromDescriptor(item); -} - -static const string& GetItemName(ItemDescriptor item) { - return item->name(); -} - -static int GetItemIndex(ItemDescriptor item) { - return item->index(); -} - -static DescriptorContainerDef ContainerDef = { - "MessageOneofs", - (CountMethod)Count, - (GetByIndexMethod)GetByIndex, - (GetByNameMethod)GetByName, - (GetByCamelcaseNameMethod)NULL, - (GetByNumberMethod)NULL, - (NewObjectFromItemMethod)NewObjectFromItem, - (GetItemNameMethod)GetItemName, - (GetItemCamelcaseNameMethod)NULL, - (GetItemNumberMethod)NULL, - (GetItemIndexMethod)GetItemIndex, -}; - -} // namespace oneofs - -PyObject* NewMessageOneofsByName(ParentDescriptor descriptor) { - return descriptor::NewMappingByName(&oneofs::ContainerDef, descriptor); -} - -PyObject* NewMessageOneofsSeq(ParentDescriptor descriptor) { - return descriptor::NewSequence(&oneofs::ContainerDef, descriptor); -} - -} // namespace message_descriptor - -namespace enum_descriptor { - -typedef const EnumDescriptor* ParentDescriptor; - -static ParentDescriptor GetDescriptor(PyContainer* self) { - return reinterpret_cast<ParentDescriptor>(self->descriptor); -} - -namespace enumvalues { - -typedef const EnumValueDescriptor* ItemDescriptor; - -static int Count(PyContainer* self) { - return GetDescriptor(self)->value_count(); -} - -static ItemDescriptor GetByIndex(PyContainer* self, int index) { - return GetDescriptor(self)->value(index); -} - -static ItemDescriptor GetByName(PyContainer* self, const string& name) { - return GetDescriptor(self)->FindValueByName(name); -} - -static ItemDescriptor GetByNumber(PyContainer* self, int number) { - return GetDescriptor(self)->FindValueByNumber(number); -} - -static PyObject* NewObjectFromItem(ItemDescriptor item) { - return PyEnumValueDescriptor_FromDescriptor(item); -} - -static const string& GetItemName(ItemDescriptor item) { - return item->name(); -} - -static int GetItemNumber(ItemDescriptor item) { - return item->number(); -} - -static int GetItemIndex(ItemDescriptor item) { - return item->index(); -} - -static DescriptorContainerDef ContainerDef = { - "EnumValues", - (CountMethod)Count, - (GetByIndexMethod)GetByIndex, - (GetByNameMethod)GetByName, - (GetByCamelcaseNameMethod)NULL, - (GetByNumberMethod)GetByNumber, - (NewObjectFromItemMethod)NewObjectFromItem, - (GetItemNameMethod)GetItemName, - (GetItemCamelcaseNameMethod)NULL, - (GetItemNumberMethod)GetItemNumber, - (GetItemIndexMethod)GetItemIndex, -}; - -} // namespace enumvalues - -PyObject* NewEnumValuesByName(ParentDescriptor descriptor) { - return descriptor::NewMappingByName(&enumvalues::ContainerDef, descriptor); -} - -PyObject* NewEnumValuesByNumber(ParentDescriptor descriptor) { - return descriptor::NewMappingByNumber(&enumvalues::ContainerDef, descriptor); -} - -PyObject* NewEnumValuesSeq(ParentDescriptor descriptor) { - return descriptor::NewSequence(&enumvalues::ContainerDef, descriptor); -} - -} // namespace enum_descriptor - -namespace oneof_descriptor { - -typedef const OneofDescriptor* ParentDescriptor; - -static ParentDescriptor GetDescriptor(PyContainer* self) { - return reinterpret_cast<ParentDescriptor>(self->descriptor); -} - -namespace fields { - -typedef const FieldDescriptor* ItemDescriptor; - -static int Count(PyContainer* self) { - return GetDescriptor(self)->field_count(); -} - -static ItemDescriptor GetByIndex(PyContainer* self, int index) { - return GetDescriptor(self)->field(index); -} - -static PyObject* NewObjectFromItem(ItemDescriptor item) { - return PyFieldDescriptor_FromDescriptor(item); -} - -static int GetItemIndex(ItemDescriptor item) { - return item->index_in_oneof(); -} - -static DescriptorContainerDef ContainerDef = { - "OneofFields", - (CountMethod)Count, - (GetByIndexMethod)GetByIndex, - (GetByNameMethod)NULL, - (GetByCamelcaseNameMethod)NULL, - (GetByNumberMethod)NULL, - (NewObjectFromItemMethod)NewObjectFromItem, - (GetItemNameMethod)NULL, - (GetItemCamelcaseNameMethod)NULL, - (GetItemNumberMethod)NULL, - (GetItemIndexMethod)GetItemIndex, -}; - -} // namespace fields - -PyObject* NewOneofFieldsSeq(ParentDescriptor descriptor) { - return descriptor::NewSequence(&fields::ContainerDef, descriptor); -} - -} // namespace oneof_descriptor - -namespace service_descriptor { - -typedef const ServiceDescriptor* ParentDescriptor; - -static ParentDescriptor GetDescriptor(PyContainer* self) { - return reinterpret_cast<ParentDescriptor>(self->descriptor); -} - -namespace methods { - -typedef const MethodDescriptor* ItemDescriptor; - -static int Count(PyContainer* self) { - return GetDescriptor(self)->method_count(); -} - -static ItemDescriptor GetByName(PyContainer* self, const string& name) { - return GetDescriptor(self)->FindMethodByName(name); -} - -static ItemDescriptor GetByIndex(PyContainer* self, int index) { - return GetDescriptor(self)->method(index); -} - -static PyObject* NewObjectFromItem(ItemDescriptor item) { - return PyMethodDescriptor_FromDescriptor(item); -} - -static const string& GetItemName(ItemDescriptor item) { - return item->name(); -} - -static int GetItemIndex(ItemDescriptor item) { - return item->index(); -} - -static DescriptorContainerDef ContainerDef = { - "ServiceMethods", - (CountMethod)Count, - (GetByIndexMethod)GetByIndex, - (GetByNameMethod)GetByName, - (GetByCamelcaseNameMethod)NULL, - (GetByNumberMethod)NULL, - (NewObjectFromItemMethod)NewObjectFromItem, - (GetItemNameMethod)GetItemName, - (GetItemCamelcaseNameMethod)NULL, - (GetItemNumberMethod)NULL, - (GetItemIndexMethod)GetItemIndex, -}; - -} // namespace methods - -PyObject* NewServiceMethodsSeq(ParentDescriptor descriptor) { - return descriptor::NewSequence(&methods::ContainerDef, descriptor); -} - -PyObject* NewServiceMethodsByName(ParentDescriptor descriptor) { - return descriptor::NewMappingByName(&methods::ContainerDef, descriptor); -} - -} // namespace service_descriptor - -namespace file_descriptor { - -typedef const FileDescriptor* ParentDescriptor; - -static ParentDescriptor GetDescriptor(PyContainer* self) { - return reinterpret_cast<ParentDescriptor>(self->descriptor); -} - -namespace messages { - -typedef const Descriptor* ItemDescriptor; - -static int Count(PyContainer* self) { - return GetDescriptor(self)->message_type_count(); -} - -static ItemDescriptor GetByName(PyContainer* self, const string& name) { - return GetDescriptor(self)->FindMessageTypeByName(name); -} - -static ItemDescriptor GetByIndex(PyContainer* self, int index) { - return GetDescriptor(self)->message_type(index); -} - -static PyObject* NewObjectFromItem(ItemDescriptor item) { - return PyMessageDescriptor_FromDescriptor(item); -} - -static const string& GetItemName(ItemDescriptor item) { - return item->name(); -} - -static int GetItemIndex(ItemDescriptor item) { - return item->index(); -} - -static DescriptorContainerDef ContainerDef = { - "FileMessages", - (CountMethod)Count, - (GetByIndexMethod)GetByIndex, - (GetByNameMethod)GetByName, - (GetByCamelcaseNameMethod)NULL, - (GetByNumberMethod)NULL, - (NewObjectFromItemMethod)NewObjectFromItem, - (GetItemNameMethod)GetItemName, - (GetItemCamelcaseNameMethod)NULL, - (GetItemNumberMethod)NULL, - (GetItemIndexMethod)GetItemIndex, -}; - -} // namespace messages - -PyObject* NewFileMessageTypesByName(ParentDescriptor descriptor) { - return descriptor::NewMappingByName(&messages::ContainerDef, descriptor); -} - -namespace enums { - -typedef const EnumDescriptor* ItemDescriptor; - -static int Count(PyContainer* self) { - return GetDescriptor(self)->enum_type_count(); -} - -static ItemDescriptor GetByName(PyContainer* self, const string& name) { - return GetDescriptor(self)->FindEnumTypeByName(name); -} - -static ItemDescriptor GetByIndex(PyContainer* self, int index) { - return GetDescriptor(self)->enum_type(index); -} - -static PyObject* NewObjectFromItem(ItemDescriptor item) { - return PyEnumDescriptor_FromDescriptor(item); -} - -static const string& GetItemName(ItemDescriptor item) { - return item->name(); -} - -static int GetItemIndex(ItemDescriptor item) { - return item->index(); -} - -static DescriptorContainerDef ContainerDef = { - "FileEnums", - (CountMethod)Count, - (GetByIndexMethod)GetByIndex, - (GetByNameMethod)GetByName, - (GetByCamelcaseNameMethod)NULL, - (GetByNumberMethod)NULL, - (NewObjectFromItemMethod)NewObjectFromItem, - (GetItemNameMethod)GetItemName, - (GetItemCamelcaseNameMethod)NULL, - (GetItemNumberMethod)NULL, - (GetItemIndexMethod)GetItemIndex, -}; - -} // namespace enums - -PyObject* NewFileEnumTypesByName(ParentDescriptor descriptor) { - return descriptor::NewMappingByName(&enums::ContainerDef, descriptor); -} - -namespace extensions { - -typedef const FieldDescriptor* ItemDescriptor; - -static int Count(PyContainer* self) { - return GetDescriptor(self)->extension_count(); -} - -static ItemDescriptor GetByName(PyContainer* self, const string& name) { - return GetDescriptor(self)->FindExtensionByName(name); -} - -static ItemDescriptor GetByIndex(PyContainer* self, int index) { - return GetDescriptor(self)->extension(index); -} - -static PyObject* NewObjectFromItem(ItemDescriptor item) { - return PyFieldDescriptor_FromDescriptor(item); -} - -static const string& GetItemName(ItemDescriptor item) { - return item->name(); -} - -static int GetItemIndex(ItemDescriptor item) { - return item->index(); -} - -static DescriptorContainerDef ContainerDef = { - "FileExtensions", - (CountMethod)Count, - (GetByIndexMethod)GetByIndex, - (GetByNameMethod)GetByName, - (GetByCamelcaseNameMethod)NULL, - (GetByNumberMethod)NULL, - (NewObjectFromItemMethod)NewObjectFromItem, - (GetItemNameMethod)GetItemName, - (GetItemCamelcaseNameMethod)NULL, - (GetItemNumberMethod)NULL, - (GetItemIndexMethod)GetItemIndex, -}; - -} // namespace extensions - -PyObject* NewFileExtensionsByName(ParentDescriptor descriptor) { - return descriptor::NewMappingByName(&extensions::ContainerDef, descriptor); -} - -namespace services { - -typedef const ServiceDescriptor* ItemDescriptor; - -static int Count(PyContainer* self) { - return GetDescriptor(self)->service_count(); -} - -static ItemDescriptor GetByName(PyContainer* self, const string& name) { - return GetDescriptor(self)->FindServiceByName(name); -} - -static ItemDescriptor GetByIndex(PyContainer* self, int index) { - return GetDescriptor(self)->service(index); -} - -static PyObject* NewObjectFromItem(ItemDescriptor item) { - return PyServiceDescriptor_FromDescriptor(item); -} - -static const string& GetItemName(ItemDescriptor item) { - return item->name(); -} - -static int GetItemIndex(ItemDescriptor item) { - return item->index(); -} - -static DescriptorContainerDef ContainerDef = { - "FileServices", - (CountMethod)Count, - (GetByIndexMethod)GetByIndex, - (GetByNameMethod)GetByName, - (GetByCamelcaseNameMethod)NULL, - (GetByNumberMethod)NULL, - (NewObjectFromItemMethod)NewObjectFromItem, - (GetItemNameMethod)GetItemName, - (GetItemCamelcaseNameMethod)NULL, - (GetItemNumberMethod)NULL, - (GetItemIndexMethod)GetItemIndex, -}; - -} // namespace services - -PyObject* NewFileServicesByName(const FileDescriptor* descriptor) { - return descriptor::NewMappingByName(&services::ContainerDef, descriptor); -} - -namespace dependencies { - -typedef const FileDescriptor* ItemDescriptor; - -static int Count(PyContainer* self) { - return GetDescriptor(self)->dependency_count(); -} - -static ItemDescriptor GetByIndex(PyContainer* self, int index) { - return GetDescriptor(self)->dependency(index); -} - -static PyObject* NewObjectFromItem(ItemDescriptor item) { - return PyFileDescriptor_FromDescriptor(item); -} - -static DescriptorContainerDef ContainerDef = { - "FileDependencies", - (CountMethod)Count, - (GetByIndexMethod)GetByIndex, - (GetByNameMethod)NULL, - (GetByCamelcaseNameMethod)NULL, - (GetByNumberMethod)NULL, - (NewObjectFromItemMethod)NewObjectFromItem, - (GetItemNameMethod)NULL, - (GetItemCamelcaseNameMethod)NULL, - (GetItemNumberMethod)NULL, - (GetItemIndexMethod)NULL, -}; - -} // namespace dependencies - -PyObject* NewFileDependencies(const FileDescriptor* descriptor) { - return descriptor::NewSequence(&dependencies::ContainerDef, descriptor); -} - -namespace public_dependencies { - -typedef const FileDescriptor* ItemDescriptor; - -static int Count(PyContainer* self) { - return GetDescriptor(self)->public_dependency_count(); -} - -static ItemDescriptor GetByIndex(PyContainer* self, int index) { - return GetDescriptor(self)->public_dependency(index); -} - -static PyObject* NewObjectFromItem(ItemDescriptor item) { - return PyFileDescriptor_FromDescriptor(item); -} - -static DescriptorContainerDef ContainerDef = { - "FilePublicDependencies", - (CountMethod)Count, - (GetByIndexMethod)GetByIndex, - (GetByNameMethod)NULL, - (GetByCamelcaseNameMethod)NULL, - (GetByNumberMethod)NULL, - (NewObjectFromItemMethod)NewObjectFromItem, - (GetItemNameMethod)NULL, - (GetItemCamelcaseNameMethod)NULL, - (GetItemNumberMethod)NULL, - (GetItemIndexMethod)NULL, -}; - -} // namespace public_dependencies - -PyObject* NewFilePublicDependencies(const FileDescriptor* descriptor) { - return descriptor::NewSequence(&public_dependencies::ContainerDef, - descriptor); -} - -} // namespace file_descriptor - - -// Register all implementations - -bool InitDescriptorMappingTypes() { - if (PyType_Ready(&descriptor::DescriptorMapping_Type) < 0) - return false; - if (PyType_Ready(&descriptor::DescriptorSequence_Type) < 0) - return false; - if (PyType_Ready(&descriptor::ContainerIterator_Type) < 0) - return false; - return true; -} - -} // namespace python -} // namespace protobuf -} // namespace google |