| // 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_enum_field.h> |
| #include <google/protobuf/compiler/cpp/cpp_helpers.h> |
| #include <google/protobuf/io/printer.h> |
| #include <google/protobuf/wire_format_inl.h> |
| #include <google/protobuf/stubs/strutil.h> |
| |
| namespace google { |
| namespace protobuf { |
| namespace compiler { |
| namespace cpp { |
| |
| using internal::WireFormat; |
| |
| namespace { |
| |
| // TODO(kenton): Factor out a "SetCommonFieldVariables()" to get rid of |
| // repeat code between this and the other field types. |
| void SetEnumVariables(const FieldDescriptor* descriptor, |
| map<string, string>* variables) { |
| const EnumValueDescriptor* default_value = descriptor->default_value_enum(); |
| |
| (*variables)["name"] = FieldName(descriptor); |
| (*variables)["type"] = ClassName(descriptor->enum_type(), true); |
| (*variables)["default"] = SimpleItoa(default_value->number()); |
| (*variables)["index"] = SimpleItoa(descriptor->index()); |
| (*variables)["number"] = SimpleItoa(descriptor->number()); |
| (*variables)["classname"] = ClassName(FieldScope(descriptor), false); |
| (*variables)["tag_size"] = SimpleItoa( |
| WireFormat::TagSize(descriptor->number(), descriptor->type())); |
| } |
| |
| } // namespace |
| |
| // =================================================================== |
| |
| EnumFieldGenerator:: |
| EnumFieldGenerator(const FieldDescriptor* descriptor) |
| : descriptor_(descriptor) { |
| SetEnumVariables(descriptor, &variables_); |
| } |
| |
| EnumFieldGenerator::~EnumFieldGenerator() {} |
| |
| void EnumFieldGenerator:: |
| GeneratePrivateMembers(io::Printer* printer) const { |
| printer->Print(variables_, "int $name$_;\n"); |
| } |
| |
| void EnumFieldGenerator:: |
| GenerateAccessorDeclarations(io::Printer* printer) const { |
| printer->Print(variables_, |
| "inline $type$ $name$() const;\n" |
| "inline void set_$name$($type$ value);\n"); |
| } |
| |
| void EnumFieldGenerator:: |
| GenerateInlineAccessorDefinitions(io::Printer* printer) const { |
| printer->Print(variables_, |
| "inline $type$ $classname$::$name$() const {\n" |
| " return static_cast< $type$ >($name$_);\n" |
| "}\n" |
| "inline void $classname$::set_$name$($type$ value) {\n" |
| " GOOGLE_DCHECK($type$_IsValid(value));\n" |
| " _set_bit($index$);\n" |
| " $name$_ = value;\n" |
| "}\n"); |
| } |
| |
| void EnumFieldGenerator:: |
| GenerateClearingCode(io::Printer* printer) const { |
| printer->Print(variables_, "$name$_ = $default$;\n"); |
| } |
| |
| void EnumFieldGenerator:: |
| GenerateMergingCode(io::Printer* printer) const { |
| printer->Print(variables_, "set_$name$(from.$name$());\n"); |
| } |
| |
| void EnumFieldGenerator:: |
| GenerateInitializer(io::Printer* printer) const { |
| printer->Print(variables_, ",\n$name$_($default$)"); |
| } |
| |
| void EnumFieldGenerator:: |
| GenerateMergeFromCodedStream(io::Printer* printer) const { |
| printer->Print(variables_, |
| "int value;\n" |
| "DO_(::google::protobuf::internal::WireFormat::ReadEnum(input, &value));\n" |
| "if ($type$_IsValid(value)) {\n" |
| " set_$name$(static_cast< $type$ >(value));\n" |
| "} else {\n" |
| " mutable_unknown_fields()->AddField($number$)->add_varint(value);\n" |
| "}\n"); |
| } |
| |
| void EnumFieldGenerator:: |
| GenerateSerializeWithCachedSizes(io::Printer* printer) const { |
| printer->Print(variables_, |
| "DO_(::google::protobuf::internal::WireFormat::WriteEnum(" |
| "$number$, this->$name$(), output));\n"); |
| } |
| |
| void EnumFieldGenerator:: |
| GenerateByteSize(io::Printer* printer) const { |
| printer->Print(variables_, |
| "total_size += $tag_size$ +\n" |
| " ::google::protobuf::internal::WireFormat::EnumSize(this->$name$());\n"); |
| } |
| |
| // =================================================================== |
| |
| RepeatedEnumFieldGenerator:: |
| RepeatedEnumFieldGenerator(const FieldDescriptor* descriptor) |
| : descriptor_(descriptor) { |
| SetEnumVariables(descriptor, &variables_); |
| } |
| |
| RepeatedEnumFieldGenerator::~RepeatedEnumFieldGenerator() {} |
| |
| void RepeatedEnumFieldGenerator:: |
| GeneratePrivateMembers(io::Printer* printer) const { |
| printer->Print(variables_, "::google::protobuf::RepeatedField<int> $name$_;\n"); |
| } |
| |
| void RepeatedEnumFieldGenerator:: |
| GenerateAccessorDeclarations(io::Printer* printer) const { |
| printer->Print(variables_, |
| "inline const ::google::protobuf::RepeatedField<int>& $name$() const;\n" |
| "inline ::google::protobuf::RepeatedField<int>* mutable_$name$();\n" |
| "inline $type$ $name$(int index) const;\n" |
| "inline void set_$name$(int index, $type$ value);\n" |
| "inline void add_$name$($type$ value);\n"); |
| } |
| |
| void RepeatedEnumFieldGenerator:: |
| GenerateInlineAccessorDefinitions(io::Printer* printer) const { |
| printer->Print(variables_, |
| "inline const ::google::protobuf::RepeatedField<int>&\n" |
| "$classname$::$name$() const {\n" |
| " return $name$_;\n" |
| "}\n" |
| "inline ::google::protobuf::RepeatedField<int>*\n" |
| "$classname$::mutable_$name$() {\n" |
| " return &$name$_;\n" |
| "}\n" |
| "inline $type$ $classname$::$name$(int index) const {\n" |
| " return static_cast< $type$ >($name$_.Get(index));\n" |
| "}\n" |
| "inline void $classname$::set_$name$(int index, $type$ value) {\n" |
| " GOOGLE_DCHECK($type$_IsValid(value));\n" |
| " $name$_.Set(index, value);\n" |
| "}\n" |
| "inline void $classname$::add_$name$($type$ value) {\n" |
| " GOOGLE_DCHECK($type$_IsValid(value));\n" |
| " $name$_.Add(value);\n" |
| "}\n"); |
| } |
| |
| void RepeatedEnumFieldGenerator:: |
| GenerateClearingCode(io::Printer* printer) const { |
| printer->Print(variables_, "$name$_.Clear();\n"); |
| } |
| |
| void RepeatedEnumFieldGenerator:: |
| GenerateMergingCode(io::Printer* printer) const { |
| printer->Print(variables_, "$name$_.MergeFrom(from.$name$_);\n"); |
| } |
| |
| void RepeatedEnumFieldGenerator:: |
| GenerateInitializer(io::Printer* printer) const { |
| // Not needed for repeated fields. |
| } |
| |
| void RepeatedEnumFieldGenerator:: |
| GenerateMergeFromCodedStream(io::Printer* printer) const { |
| printer->Print(variables_, |
| "int value;\n" |
| "DO_(::google::protobuf::internal::WireFormat::ReadEnum(input, &value));\n" |
| "if ($type$_IsValid(value)) {\n" |
| " add_$name$(static_cast< $type$ >(value));\n" |
| "} else {\n" |
| " mutable_unknown_fields()->AddField($number$)->add_varint(value);\n" |
| "}\n"); |
| } |
| |
| void RepeatedEnumFieldGenerator:: |
| GenerateSerializeWithCachedSizes(io::Printer* printer) const { |
| printer->Print(variables_, |
| "DO_(::google::protobuf::internal::WireFormat::WriteEnum(" |
| "$number$, this->$name$(i), output));\n"); |
| } |
| |
| void RepeatedEnumFieldGenerator:: |
| GenerateByteSize(io::Printer* printer) const { |
| printer->Print(variables_, |
| "total_size += $tag_size$ * $name$_size();\n" |
| "for (int i = 0; i < $name$_size(); i++) {\n" |
| " total_size += ::google::protobuf::internal::WireFormat::EnumSize(\n" |
| " this->$name$(i));\n" |
| "}\n"); |
| } |
| |
| } // namespace cpp |
| } // namespace compiler |
| } // namespace protobuf |
| } // namespace google |