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// 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/compiler/cpp/cpp_field.h>
#include <google/protobuf/compiler/cpp/cpp_primitive_field.h>
#include <google/protobuf/compiler/cpp/cpp_string_field.h>
#include <google/protobuf/compiler/cpp/cpp_enum_field.h>
#include <google/protobuf/compiler/cpp/cpp_message_field.h>
#include <google/protobuf/descriptor.pb.h>
#include <google/protobuf/stubs/common.h>
namespace google {
namespace protobuf {
namespace compiler {
namespace cpp {
FieldGenerator::~FieldGenerator() {}
FieldGeneratorMap::FieldGeneratorMap(const Descriptor* descriptor)
: descriptor_(descriptor),
field_generators_(
new scoped_ptr<FieldGenerator>[descriptor->field_count()]) {
// Construct all the FieldGenerators.
for (int i = 0; i < descriptor->field_count(); i++) {
field_generators_[i].reset(MakeGenerator(descriptor->field(i)));
}
}
FieldGenerator* FieldGeneratorMap::MakeGenerator(const FieldDescriptor* field) {
if (field->is_repeated()) {
switch (field->cpp_type()) {
case FieldDescriptor::CPPTYPE_MESSAGE:
return new RepeatedMessageFieldGenerator(field);
case FieldDescriptor::CPPTYPE_STRING:
return new RepeatedStringFieldGenerator(field);
case FieldDescriptor::CPPTYPE_ENUM:
return new RepeatedEnumFieldGenerator(field);
default:
return new RepeatedPrimitiveFieldGenerator(field);
}
} else {
switch (field->cpp_type()) {
case FieldDescriptor::CPPTYPE_MESSAGE:
return new MessageFieldGenerator(field);
case FieldDescriptor::CPPTYPE_STRING:
return new StringFieldGenerator(field);
case FieldDescriptor::CPPTYPE_ENUM:
return new EnumFieldGenerator(field);
default:
return new PrimitiveFieldGenerator(field);
}
}
}
FieldGeneratorMap::~FieldGeneratorMap() {}
const FieldGenerator& FieldGeneratorMap::get(
const FieldDescriptor* field) const {
GOOGLE_CHECK_EQ(field->containing_type(), descriptor_);
return *field_generators_[field->index()];
}
} // namespace cpp
} // namespace compiler
} // namespace protobuf
} // namespace google
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