diff options
Diffstat (limited to 'src/google/protobuf/reflection_ops.cc')
-rw-r--r-- | src/google/protobuf/reflection_ops.cc | 248 |
1 files changed, 0 insertions, 248 deletions
diff --git a/src/google/protobuf/reflection_ops.cc b/src/google/protobuf/reflection_ops.cc deleted file mode 100644 index 9e12658d..00000000 --- a/src/google/protobuf/reflection_ops.cc +++ /dev/null @@ -1,248 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2008 Google Inc. -// http://code.google.com/p/protobuf/ -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -// Author: kenton@google.com (Kenton Varda) -// Based on original Protocol Buffers design by -// Sanjay Ghemawat, Jeff Dean, and others. - -#include <google/protobuf/reflection_ops.h> -#include <google/protobuf/descriptor.h> -#include <google/protobuf/unknown_field_set.h> -#include <google/protobuf/stubs/strutil.h> - -namespace google { -namespace protobuf { -namespace internal { - -void ReflectionOps::Copy(const Message& from, Message* to) { - if (&from == to) return; - Clear(to); - Merge(from, to); -} - -void ReflectionOps::Merge(const Message& from, Message* to) { - GOOGLE_CHECK_NE(&from, to); - - const Descriptor* descriptor = from.GetDescriptor(); - GOOGLE_CHECK_EQ(to->GetDescriptor(), descriptor) - << "Tried to merge messages of different types."; - - const Reflection* from_reflection = from.GetReflection(); - const Reflection* to_reflection = to->GetReflection(); - - vector<const FieldDescriptor*> fields; - from_reflection->ListFields(from, &fields); - for (int i = 0; i < fields.size(); i++) { - const FieldDescriptor* field = fields[i]; - - if (field->is_repeated()) { - int count = from_reflection->FieldSize(from, field); - for (int j = 0; j < count; j++) { - switch (field->cpp_type()) { -#define HANDLE_TYPE(CPPTYPE, METHOD) \ - case FieldDescriptor::CPPTYPE_##CPPTYPE: \ - to_reflection->Add##METHOD(to, field, \ - from_reflection->GetRepeated##METHOD(from, field, j)); \ - break; - - HANDLE_TYPE(INT32 , Int32 ); - HANDLE_TYPE(INT64 , Int64 ); - HANDLE_TYPE(UINT32, UInt32); - HANDLE_TYPE(UINT64, UInt64); - HANDLE_TYPE(FLOAT , Float ); - HANDLE_TYPE(DOUBLE, Double); - HANDLE_TYPE(BOOL , Bool ); - HANDLE_TYPE(STRING, String); - HANDLE_TYPE(ENUM , Enum ); -#undef HANDLE_TYPE - - case FieldDescriptor::CPPTYPE_MESSAGE: - to_reflection->AddMessage(to, field)->MergeFrom( - from_reflection->GetRepeatedMessage(from, field, j)); - break; - } - } - } else { - switch (field->cpp_type()) { -#define HANDLE_TYPE(CPPTYPE, METHOD) \ - case FieldDescriptor::CPPTYPE_##CPPTYPE: \ - to_reflection->Set##METHOD(to, field, \ - from_reflection->Get##METHOD(from, field)); \ - break; - - HANDLE_TYPE(INT32 , Int32 ); - HANDLE_TYPE(INT64 , Int64 ); - HANDLE_TYPE(UINT32, UInt32); - HANDLE_TYPE(UINT64, UInt64); - HANDLE_TYPE(FLOAT , Float ); - HANDLE_TYPE(DOUBLE, Double); - HANDLE_TYPE(BOOL , Bool ); - HANDLE_TYPE(STRING, String); - HANDLE_TYPE(ENUM , Enum ); -#undef HANDLE_TYPE - - case FieldDescriptor::CPPTYPE_MESSAGE: - to_reflection->MutableMessage(to, field)->MergeFrom( - from_reflection->GetMessage(from, field)); - break; - } - } - } - - to_reflection->MutableUnknownFields(to)->MergeFrom( - from_reflection->GetUnknownFields(from)); -} - -void ReflectionOps::Clear(Message* message) { - const Reflection* reflection = message->GetReflection(); - - vector<const FieldDescriptor*> fields; - reflection->ListFields(*message, &fields); - for (int i = 0; i < fields.size(); i++) { - reflection->ClearField(message, fields[i]); - } - - reflection->MutableUnknownFields(message)->Clear(); -} - -bool ReflectionOps::IsInitialized(const Message& message) { - const Descriptor* descriptor = message.GetDescriptor(); - const Reflection* reflection = message.GetReflection(); - - // Check required fields of this message. - for (int i = 0; i < descriptor->field_count(); i++) { - if (descriptor->field(i)->is_required()) { - if (!reflection->HasField(message, descriptor->field(i))) { - return false; - } - } - } - - // Check that sub-messages are initialized. - vector<const FieldDescriptor*> fields; - reflection->ListFields(message, &fields); - for (int i = 0; i < fields.size(); i++) { - const FieldDescriptor* field = fields[i]; - if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) { - if (field->is_repeated()) { - int size = reflection->FieldSize(message, field); - - for (int i = 0; i < size; i++) { - if (!reflection->GetRepeatedMessage(message, field, i) - .IsInitialized()) { - return false; - } - } - } else { - if (!reflection->GetMessage(message, field).IsInitialized()) { - return false; - } - } - } - } - - return true; -} - -void ReflectionOps::DiscardUnknownFields(Message* message) { - const Reflection* reflection = message->GetReflection(); - - reflection->MutableUnknownFields(message)->Clear(); - - vector<const FieldDescriptor*> fields; - reflection->ListFields(*message, &fields); - for (int i = 0; i < fields.size(); i++) { - const FieldDescriptor* field = fields[i]; - if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) { - if (field->is_repeated()) { - int size = reflection->FieldSize(*message, field); - for (int i = 0; i < size; i++) { - reflection->MutableRepeatedMessage(message, field, i) - ->DiscardUnknownFields(); - } - } else { - reflection->MutableMessage(message, field)->DiscardUnknownFields(); - } - } - } -} - -static string SubMessagePrefix(const string& prefix, - const FieldDescriptor* field, - int index) { - string result(prefix); - if (field->is_extension()) { - result.append("("); - result.append(field->full_name()); - result.append(")"); - } else { - result.append(field->name()); - } - if (index != -1) { - result.append("["); - result.append(SimpleItoa(index)); - result.append("]"); - } - result.append("."); - return result; -} - -void ReflectionOps::FindInitializationErrors( - const Message& message, - const string& prefix, - vector<string>* errors) { - const Descriptor* descriptor = message.GetDescriptor(); - const Reflection* reflection = message.GetReflection(); - - // Check required fields of this message. - for (int i = 0; i < descriptor->field_count(); i++) { - if (descriptor->field(i)->is_required()) { - if (!reflection->HasField(message, descriptor->field(i))) { - errors->push_back(prefix + descriptor->field(i)->name()); - } - } - } - - // Check sub-messages. - vector<const FieldDescriptor*> fields; - reflection->ListFields(message, &fields); - for (int i = 0; i < fields.size(); i++) { - const FieldDescriptor* field = fields[i]; - if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) { - - if (field->is_repeated()) { - int size = reflection->FieldSize(message, field); - - for (int i = 0; i < size; i++) { - const Message& sub_message = - reflection->GetRepeatedMessage(message, field, i); - FindInitializationErrors(sub_message, - SubMessagePrefix(prefix, field, i), - errors); - } - } else { - const Message& sub_message = reflection->GetMessage(message, field); - FindInitializationErrors(sub_message, - SubMessagePrefix(prefix, field, -1), - errors); - } - } - } -} - -} // namespace internal -} // namespace protobuf -} // namespace google |