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author | temporal <temporal@630680e5-0e50-0410-840e-4b1c322b438d> | 2008-07-10 02:12:20 +0000 |
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committer | temporal <temporal@630680e5-0e50-0410-840e-4b1c322b438d> | 2008-07-10 02:12:20 +0000 |
commit | 40ee551715c3a784ea6132dbf604b0e665ca2def (patch) | |
tree | 6e3ea9674be5b0f59106f88f3afa1313854beebf /src/google/protobuf/compiler/cpp/cpp_enum_field.cc | |
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Initial checkin.
Diffstat (limited to 'src/google/protobuf/compiler/cpp/cpp_enum_field.cc')
-rw-r--r-- | src/google/protobuf/compiler/cpp/cpp_enum_field.cc | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/src/google/protobuf/compiler/cpp/cpp_enum_field.cc b/src/google/protobuf/compiler/cpp/cpp_enum_field.cc new file mode 100644 index 00000000..e02d7d8a --- /dev/null +++ b/src/google/protobuf/compiler/cpp/cpp_enum_field.cc @@ -0,0 +1,226 @@ +// 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 |