/thirdparty/breakpad/third_party/protobuf/protobuf/src/google/protobuf/compiler/cpp/cpp_enum_field.cc
http://github.com/tomahawk-player/tomahawk · C++ · 361 lines · 284 code · 37 blank · 40 comment · 14 complexity · ff00a623405133779496d0ec1468a520 MD5 · raw file
- // Protocol Buffers - Google's data interchange format
- // Copyright 2008 Google Inc. All rights reserved.
- // http://code.google.com/p/protobuf/
- //
- // 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: 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/descriptor.pb.h>
- #include <google/protobuf/stubs/strutil.h>
- namespace google {
- namespace protobuf {
- namespace compiler {
- namespace cpp {
- namespace {
- void SetEnumVariables(const FieldDescriptor* descriptor,
- map<string, string>* variables) {
- SetCommonFieldVariables(descriptor, variables);
- const EnumValueDescriptor* default_value = descriptor->default_value_enum();
- (*variables)["type"] = ClassName(descriptor->enum_type(), true);
- (*variables)["default"] = SimpleItoa(default_value->number());
- }
- } // 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$deprecation$;\n"
- "inline void set_$name$($type$ value)$deprecation$;\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_has_$name$();\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::
- GenerateSwappingCode(io::Printer* printer) const {
- printer->Print(variables_, "std::swap($name$_, other->$name$_);\n");
- }
- void EnumFieldGenerator::
- GenerateConstructorCode(io::Printer* printer) const {
- printer->Print(variables_, "$name$_ = $default$;\n");
- }
- void EnumFieldGenerator::
- GenerateMergeFromCodedStream(io::Printer* printer) const {
- printer->Print(variables_,
- "int value;\n"
- "DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<\n"
- " int, ::google::protobuf::internal::WireFormatLite::TYPE_ENUM>(\n"
- " input, &value)));\n"
- "if ($type$_IsValid(value)) {\n"
- " set_$name$(static_cast< $type$ >(value));\n");
- if (HasUnknownFields(descriptor_->file())) {
- printer->Print(variables_,
- "} else {\n"
- " mutable_unknown_fields()->AddVarint($number$, value);\n");
- }
- printer->Print(variables_,
- "}\n");
- }
- void EnumFieldGenerator::
- GenerateSerializeWithCachedSizes(io::Printer* printer) const {
- printer->Print(variables_,
- "::google::protobuf::internal::WireFormatLite::WriteEnum(\n"
- " $number$, this->$name$(), output);\n");
- }
- void EnumFieldGenerator::
- GenerateSerializeWithCachedSizesToArray(io::Printer* printer) const {
- printer->Print(variables_,
- "target = ::google::protobuf::internal::WireFormatLite::WriteEnumToArray(\n"
- " $number$, this->$name$(), target);\n");
- }
- void EnumFieldGenerator::
- GenerateByteSize(io::Printer* printer) const {
- printer->Print(variables_,
- "total_size += $tag_size$ +\n"
- " ::google::protobuf::internal::WireFormatLite::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");
- if (descriptor_->options().packed() && HasGeneratedMethods(descriptor_->file())) {
- printer->Print(variables_,
- "mutable int _$name$_cached_byte_size_;\n");
- }
- }
- void RepeatedEnumFieldGenerator::
- GenerateAccessorDeclarations(io::Printer* printer) const {
- printer->Print(variables_,
- "inline $type$ $name$(int index) const$deprecation$;\n"
- "inline void set_$name$(int index, $type$ value)$deprecation$;\n"
- "inline void add_$name$($type$ value)$deprecation$;\n");
- printer->Print(variables_,
- "inline const ::google::protobuf::RepeatedField<int>& $name$() const$deprecation$;\n"
- "inline ::google::protobuf::RepeatedField<int>* mutable_$name$()$deprecation$;\n");
- }
- void RepeatedEnumFieldGenerator::
- GenerateInlineAccessorDefinitions(io::Printer* printer) const {
- printer->Print(variables_,
- "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");
- 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");
- }
- 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::
- GenerateSwappingCode(io::Printer* printer) const {
- printer->Print(variables_, "$name$_.Swap(&other->$name$_);\n");
- }
- void RepeatedEnumFieldGenerator::
- GenerateConstructorCode(io::Printer* printer) const {
- // Not needed for repeated fields.
- }
- void RepeatedEnumFieldGenerator::
- GenerateMergeFromCodedStream(io::Printer* printer) const {
- // Don't use ReadRepeatedPrimitive here so that the enum can be validated.
- printer->Print(variables_,
- "int value;\n"
- "DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<\n"
- " int, ::google::protobuf::internal::WireFormatLite::TYPE_ENUM>(\n"
- " input, &value)));\n"
- "if ($type$_IsValid(value)) {\n"
- " add_$name$(static_cast< $type$ >(value));\n");
- if (HasUnknownFields(descriptor_->file())) {
- printer->Print(variables_,
- "} else {\n"
- " mutable_unknown_fields()->AddVarint($number$, value);\n");
- }
- printer->Print("}\n");
- }
- void RepeatedEnumFieldGenerator::
- GenerateMergeFromCodedStreamWithPacking(io::Printer* printer) const {
- if (!descriptor_->options().packed()) {
- // We use a non-inlined implementation in this case, since this path will
- // rarely be executed.
- printer->Print(variables_,
- "DO_((::google::protobuf::internal::WireFormatLite::ReadPackedEnumNoInline(\n"
- " input,\n"
- " &$type$_IsValid,\n"
- " this->mutable_$name$())));\n");
- } else {
- printer->Print(variables_,
- "::google::protobuf::uint32 length;\n"
- "DO_(input->ReadVarint32(&length));\n"
- "::google::protobuf::io::CodedInputStream::Limit limit = "
- "input->PushLimit(length);\n"
- "while (input->BytesUntilLimit() > 0) {\n"
- " int value;\n"
- " DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<\n"
- " int, ::google::protobuf::internal::WireFormatLite::TYPE_ENUM>(\n"
- " input, &value)));\n"
- " if ($type$_IsValid(value)) {\n"
- " add_$name$(static_cast< $type$ >(value));\n"
- " }\n"
- "}\n"
- "input->PopLimit(limit);\n");
- }
- }
- void RepeatedEnumFieldGenerator::
- GenerateSerializeWithCachedSizes(io::Printer* printer) const {
- if (descriptor_->options().packed()) {
- // Write the tag and the size.
- printer->Print(variables_,
- "if (this->$name$_size() > 0) {\n"
- " ::google::protobuf::internal::WireFormatLite::WriteTag(\n"
- " $number$,\n"
- " ::google::protobuf::internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED,\n"
- " output);\n"
- " output->WriteVarint32(_$name$_cached_byte_size_);\n"
- "}\n");
- }
- printer->Print(variables_,
- "for (int i = 0; i < this->$name$_size(); i++) {\n");
- if (descriptor_->options().packed()) {
- printer->Print(variables_,
- " ::google::protobuf::internal::WireFormatLite::WriteEnumNoTag(\n"
- " this->$name$(i), output);\n");
- } else {
- printer->Print(variables_,
- " ::google::protobuf::internal::WireFormatLite::WriteEnum(\n"
- " $number$, this->$name$(i), output);\n");
- }
- printer->Print("}\n");
- }
- void RepeatedEnumFieldGenerator::
- GenerateSerializeWithCachedSizesToArray(io::Printer* printer) const {
- if (descriptor_->options().packed()) {
- // Write the tag and the size.
- printer->Print(variables_,
- "if (this->$name$_size() > 0) {\n"
- " target = ::google::protobuf::internal::WireFormatLite::WriteTagToArray(\n"
- " $number$,\n"
- " ::google::protobuf::internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED,\n"
- " target);\n"
- " target = ::google::protobuf::io::CodedOutputStream::WriteVarint32ToArray("
- " _$name$_cached_byte_size_, target);\n"
- "}\n");
- }
- printer->Print(variables_,
- "for (int i = 0; i < this->$name$_size(); i++) {\n");
- if (descriptor_->options().packed()) {
- printer->Print(variables_,
- " target = ::google::protobuf::internal::WireFormatLite::WriteEnumNoTagToArray(\n"
- " this->$name$(i), target);\n");
- } else {
- printer->Print(variables_,
- " target = ::google::protobuf::internal::WireFormatLite::WriteEnumToArray(\n"
- " $number$, this->$name$(i), target);\n");
- }
- printer->Print("}\n");
- }
- void RepeatedEnumFieldGenerator::
- GenerateByteSize(io::Printer* printer) const {
- printer->Print(variables_,
- "{\n"
- " int data_size = 0;\n");
- printer->Indent();
- printer->Print(variables_,
- "for (int i = 0; i < this->$name$_size(); i++) {\n"
- " data_size += ::google::protobuf::internal::WireFormatLite::EnumSize(\n"
- " this->$name$(i));\n"
- "}\n");
- if (descriptor_->options().packed()) {
- printer->Print(variables_,
- "if (data_size > 0) {\n"
- " total_size += $tag_size$ +\n"
- " ::google::protobuf::internal::WireFormatLite::Int32Size(data_size);\n"
- "}\n"
- "_$name$_cached_byte_size_ = data_size;\n"
- "total_size += data_size;\n");
- } else {
- printer->Print(variables_,
- "total_size += $tag_size$ * this->$name$_size() + data_size;\n");
- }
- printer->Outdent();
- printer->Print("}\n");
- }
- } // namespace cpp
- } // namespace compiler
- } // namespace protobuf
- } // namespace google