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Diffstat (limited to 'python/google/protobuf/pyext/descriptor.cc')
| -rw-r--r-- | python/google/protobuf/pyext/descriptor.cc | 357 |
1 files changed, 0 insertions, 357 deletions
diff --git a/python/google/protobuf/pyext/descriptor.cc b/python/google/protobuf/pyext/descriptor.cc deleted file mode 100644 index 3f7be73..0000000 --- a/python/google/protobuf/pyext/descriptor.cc +++ /dev/null @@ -1,357 +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: petar@google.com (Petar Petrov) - -#include <Python.h> -#include <string> - -#include <google/protobuf/descriptor.pb.h> -#include <google/protobuf/pyext/descriptor.h> -#include <google/protobuf/pyext/scoped_pyobject_ptr.h> - -#define C(str) const_cast<char*>(str) - -#if PY_MAJOR_VERSION >= 3 - #define PyString_FromStringAndSize PyUnicode_FromStringAndSize - #define PyInt_FromLong PyLong_FromLong - #if PY_VERSION_HEX < 0x03030000 - #error "Python 3.0 - 3.2 are not supported." - #else - #define PyString_AsString(ob) \ - (PyUnicode_Check(ob)? PyUnicode_AsUTF8(ob): PyBytes_AS_STRING(ob)) - #endif -#endif - -namespace google { -namespace protobuf { -namespace python { - - -#ifndef PyVarObject_HEAD_INIT -#define PyVarObject_HEAD_INIT(type, size) PyObject_HEAD_INIT(type) size, -#endif -#ifndef Py_TYPE -#define Py_TYPE(ob) (((PyObject*)(ob))->ob_type) -#endif - - -static google::protobuf::DescriptorPool* g_descriptor_pool = NULL; - -namespace cfield_descriptor { - -static void Dealloc(CFieldDescriptor* self) { - Py_CLEAR(self->descriptor_field); - Py_TYPE(self)->tp_free(reinterpret_cast<PyObject*>(self)); -} - -static PyObject* GetFullName(CFieldDescriptor* self, void *closure) { - return PyString_FromStringAndSize( - self->descriptor->full_name().c_str(), - self->descriptor->full_name().size()); -} - -static PyObject* GetName(CFieldDescriptor *self, void *closure) { - return PyString_FromStringAndSize( - self->descriptor->name().c_str(), - self->descriptor->name().size()); -} - -static PyObject* GetCppType(CFieldDescriptor *self, void *closure) { - return PyInt_FromLong(self->descriptor->cpp_type()); -} - -static PyObject* GetLabel(CFieldDescriptor *self, void *closure) { - return PyInt_FromLong(self->descriptor->label()); -} - -static PyObject* GetID(CFieldDescriptor *self, void *closure) { - return PyLong_FromVoidPtr(self); -} - -static PyGetSetDef Getters[] = { - { C("full_name"), (getter)GetFullName, NULL, "Full name", NULL}, - { C("name"), (getter)GetName, NULL, "last name", NULL}, - { C("cpp_type"), (getter)GetCppType, NULL, "C++ Type", NULL}, - { C("label"), (getter)GetLabel, NULL, "Label", NULL}, - { C("id"), (getter)GetID, NULL, "ID", NULL}, - {NULL} -}; - -} // namespace cfield_descriptor - -PyTypeObject CFieldDescriptor_Type = { - PyVarObject_HEAD_INIT(&PyType_Type, 0) - C("google.protobuf.internal." - "_net_proto2___python." - "CFieldDescriptor"), // tp_name - sizeof(CFieldDescriptor), // tp_basicsize - 0, // tp_itemsize - (destructor)cfield_descriptor::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 - C("A Field Descriptor"), // 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 - cfield_descriptor::Getters, // tp_getset - 0, // tp_base - 0, // tp_dict - 0, // tp_descr_get - 0, // tp_descr_set - 0, // tp_dictoffset - 0, // tp_init - PyType_GenericAlloc, // tp_alloc - PyType_GenericNew, // tp_new - PyObject_Del, // tp_free -}; - -namespace cdescriptor_pool { - -static void Dealloc(CDescriptorPool* self) { - Py_TYPE(self)->tp_free(reinterpret_cast<PyObject*>(self)); -} - -static PyObject* NewCDescriptor( - const google::protobuf::FieldDescriptor* field_descriptor) { - CFieldDescriptor* cfield_descriptor = PyObject_New( - CFieldDescriptor, &CFieldDescriptor_Type); - if (cfield_descriptor == NULL) { - return NULL; - } - cfield_descriptor->descriptor = field_descriptor; - cfield_descriptor->descriptor_field = NULL; - - return reinterpret_cast<PyObject*>(cfield_descriptor); -} - -PyObject* FindFieldByName(CDescriptorPool* self, PyObject* name) { - const char* full_field_name = PyString_AsString(name); - if (full_field_name == NULL) { - return NULL; - } - - const google::protobuf::FieldDescriptor* field_descriptor = NULL; - - field_descriptor = self->pool->FindFieldByName(full_field_name); - - if (field_descriptor == NULL) { - PyErr_Format(PyExc_TypeError, "Couldn't find field %.200s", - full_field_name); - return NULL; - } - - return NewCDescriptor(field_descriptor); -} - -PyObject* FindExtensionByName(CDescriptorPool* self, PyObject* arg) { - const char* full_field_name = PyString_AsString(arg); - if (full_field_name == NULL) { - return NULL; - } - - const google::protobuf::FieldDescriptor* field_descriptor = - self->pool->FindExtensionByName(full_field_name); - if (field_descriptor == NULL) { - PyErr_Format(PyExc_TypeError, "Couldn't find field %.200s", - full_field_name); - return NULL; - } - - return NewCDescriptor(field_descriptor); -} - -static PyMethodDef Methods[] = { - { C("FindFieldByName"), - (PyCFunction)FindFieldByName, - METH_O, - C("Searches for a field descriptor by full name.") }, - { C("FindExtensionByName"), - (PyCFunction)FindExtensionByName, - METH_O, - C("Searches for extension descriptor by full name.") }, - {NULL} -}; - -} // namespace cdescriptor_pool - -PyTypeObject CDescriptorPool_Type = { - PyVarObject_HEAD_INIT(&PyType_Type, 0) - C("google.protobuf.internal." - "_net_proto2___python." - "CFieldDescriptor"), // tp_name - sizeof(CDescriptorPool), // tp_basicsize - 0, // tp_itemsize - (destructor)cdescriptor_pool::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 - C("A Descriptor Pool"), // tp_doc - 0, // tp_traverse - 0, // tp_clear - 0, // tp_richcompare - 0, // tp_weaklistoffset - 0, // tp_iter - 0, // tp_iternext - cdescriptor_pool::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 - 0, // tp_init - PyType_GenericAlloc, // tp_alloc - PyType_GenericNew, // tp_new - PyObject_Del, // tp_free -}; - -google::protobuf::DescriptorPool* GetDescriptorPool() { - if (g_descriptor_pool == NULL) { - g_descriptor_pool = new google::protobuf::DescriptorPool( - google::protobuf::DescriptorPool::generated_pool()); - } - return g_descriptor_pool; -} - -PyObject* Python_NewCDescriptorPool(PyObject* ignored, PyObject* args) { - CDescriptorPool* cdescriptor_pool = PyObject_New( - CDescriptorPool, &CDescriptorPool_Type); - if (cdescriptor_pool == NULL) { - return NULL; - } - cdescriptor_pool->pool = GetDescriptorPool(); - return reinterpret_cast<PyObject*>(cdescriptor_pool); -} - - -// Collects errors that occur during proto file building to allow them to be -// propagated in the python exception instead of only living in ERROR logs. -class BuildFileErrorCollector : public google::protobuf::DescriptorPool::ErrorCollector { - public: - BuildFileErrorCollector() : error_message(""), had_errors(false) {} - - void AddError(const string& filename, const string& element_name, - const Message* descriptor, ErrorLocation location, - const string& message) { - // Replicates the logging behavior that happens in the C++ implementation - // when an error collector is not passed in. - if (!had_errors) { - error_message += - ("Invalid proto descriptor for file \"" + filename + "\":\n"); - } - // As this only happens on failure and will result in the program not - // running at all, no effort is made to optimize this string manipulation. - error_message += (" " + element_name + ": " + message + "\n"); - } - - string error_message; - bool had_errors; -}; - -PyObject* Python_BuildFile(PyObject* ignored, PyObject* arg) { - char* message_type; - Py_ssize_t message_len; - - if (PyBytes_AsStringAndSize(arg, &message_type, &message_len) < 0) { - return NULL; - } - - google::protobuf::FileDescriptorProto file_proto; - if (!file_proto.ParseFromArray(message_type, message_len)) { - PyErr_SetString(PyExc_TypeError, "Couldn't parse file content!"); - return NULL; - } - - if (google::protobuf::DescriptorPool::generated_pool()->FindFileByName( - file_proto.name()) != NULL) { - Py_RETURN_NONE; - } - - BuildFileErrorCollector error_collector; - const google::protobuf::FileDescriptor* descriptor = - GetDescriptorPool()->BuildFileCollectingErrors(file_proto, - &error_collector); - if (descriptor == NULL) { - PyErr_Format(PyExc_TypeError, - "Couldn't build proto file into descriptor pool!\n%s", - error_collector.error_message.c_str()); - return NULL; - } - - Py_RETURN_NONE; -} - -bool InitDescriptor() { - CFieldDescriptor_Type.tp_new = PyType_GenericNew; - if (PyType_Ready(&CFieldDescriptor_Type) < 0) - return false; - - CDescriptorPool_Type.tp_new = PyType_GenericNew; - if (PyType_Ready(&CDescriptorPool_Type) < 0) - return false; - - return true; -} - -} // namespace python -} // namespace protobuf -} // namespace google |