diff options
Diffstat (limited to 'third_party/protobuf/3.0.0/src/google/protobuf/compiler/cpp/cpp_enum_field.cc')
-rw-r--r-- | third_party/protobuf/3.0.0/src/google/protobuf/compiler/cpp/cpp_enum_field.cc | 507 |
1 files changed, 507 insertions, 0 deletions
diff --git a/third_party/protobuf/3.0.0/src/google/protobuf/compiler/cpp/cpp_enum_field.cc b/third_party/protobuf/3.0.0/src/google/protobuf/compiler/cpp/cpp_enum_field.cc new file mode 100644 index 0000000000..ffd815293f --- /dev/null +++ b/third_party/protobuf/3.0.0/src/google/protobuf/compiler/cpp/cpp_enum_field.cc @@ -0,0 +1,507 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. All rights reserved. +// https://developers.google.com/protocol-buffers/ +// +// 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/wire_format.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, + const Options& options) { + SetCommonFieldVariables(descriptor, variables, options); + const EnumValueDescriptor* default_value = descriptor->default_value_enum(); + (*variables)["type"] = ClassName(descriptor->enum_type(), true); + (*variables)["default"] = Int32ToString(default_value->number()); + (*variables)["full_name"] = descriptor->full_name(); +} + +} // namespace + +// =================================================================== + +EnumFieldGenerator::EnumFieldGenerator(const FieldDescriptor* descriptor, + const Options& options) + : FieldGenerator(options), descriptor_(descriptor) { + SetEnumVariables(descriptor, &variables_, options); +} + +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_, + "$deprecated_attr$$type$ $name$() const;\n" + "$deprecated_attr$void set_$name$($type$ value);\n"); +} + +void EnumFieldGenerator:: +GenerateInlineAccessorDefinitions(io::Printer* printer, + bool is_inline) const { + map<string, string> variables(variables_); + variables["inline"] = is_inline ? "inline" : ""; + printer->Print(variables, + "$inline$ $type$ $classname$::$name$() const {\n" + " // @@protoc_insertion_point(field_get:$full_name$)\n" + " return static_cast< $type$ >($name$_);\n" + "}\n" + "$inline$ void $classname$::set_$name$($type$ value) {\n"); + if (!HasPreservingUnknownEnumSemantics(descriptor_->file())) { + printer->Print(variables, + " assert($type$_IsValid(value));\n"); + } + printer->Print(variables, + " $set_hasbit$\n" + " $name$_ = value;\n" + " // @@protoc_insertion_point(field_set:$full_name$)\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 (HasPreservingUnknownEnumSemantics(descriptor_->file())) { + printer->Print(variables_, + "set_$name$(static_cast< $type$ >(value));\n"); + } else { + printer->Print(variables_, + "if ($type$_IsValid(value)) {\n" + " set_$name$(static_cast< $type$ >(value));\n"); + if (UseUnknownFieldSet(descriptor_->file(), options_)) { + printer->Print(variables_, + "} else {\n" + " mutable_unknown_fields()->AddVarint($number$, value);\n"); + } else { + printer->Print( + "} else {\n" + " unknown_fields_stream.WriteVarint32($tag$);\n" + " unknown_fields_stream.WriteVarint32(value);\n", + "tag", SimpleItoa(internal::WireFormat::MakeTag(descriptor_))); + } + 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"); +} + +// =================================================================== + +EnumOneofFieldGenerator:: +EnumOneofFieldGenerator(const FieldDescriptor* descriptor, + const Options& options) + : EnumFieldGenerator(descriptor, options) { + SetCommonOneofFieldVariables(descriptor, &variables_); +} + +EnumOneofFieldGenerator::~EnumOneofFieldGenerator() {} + +void EnumOneofFieldGenerator:: +GenerateInlineAccessorDefinitions(io::Printer* printer, + bool is_inline) const { + map<string, string> variables(variables_); + variables["inline"] = is_inline ? "inline" : ""; + printer->Print(variables, + "$inline$ $type$ $classname$::$name$() const {\n" + " // @@protoc_insertion_point(field_get:$full_name$)\n" + " if (has_$name$()) {\n" + " return static_cast< $type$ >($oneof_prefix$$name$_);\n" + " }\n" + " return static_cast< $type$ >($default$);\n" + "}\n" + "$inline$ void $classname$::set_$name$($type$ value) {\n"); + if (!HasPreservingUnknownEnumSemantics(descriptor_->file())) { + printer->Print(variables, + " assert($type$_IsValid(value));\n"); + } + printer->Print(variables, + " if (!has_$name$()) {\n" + " clear_$oneof_name$();\n" + " set_has_$name$();\n" + " }\n" + " $oneof_prefix$$name$_ = value;\n" + " // @@protoc_insertion_point(field_set:$full_name$)\n" + "}\n"); +} + +void EnumOneofFieldGenerator:: +GenerateClearingCode(io::Printer* printer) const { + printer->Print(variables_, "$oneof_prefix$$name$_ = $default$;\n"); +} + +void EnumOneofFieldGenerator:: +GenerateSwappingCode(io::Printer* printer) const { + // Don't print any swapping code. Swapping the union will swap this field. +} + +void EnumOneofFieldGenerator:: +GenerateConstructorCode(io::Printer* printer) const { + printer->Print(variables_, + " $classname$_default_oneof_instance_->$name$_ = $default$;\n"); +} + +// =================================================================== + +RepeatedEnumFieldGenerator::RepeatedEnumFieldGenerator( + const FieldDescriptor* descriptor, const Options& options) + : FieldGenerator(options), descriptor_(descriptor) { + SetEnumVariables(descriptor, &variables_, options); +} + +RepeatedEnumFieldGenerator::~RepeatedEnumFieldGenerator() {} + +void RepeatedEnumFieldGenerator:: +GeneratePrivateMembers(io::Printer* printer) const { + printer->Print(variables_, + "::google::protobuf::RepeatedField<int> $name$_;\n"); + if (descriptor_->is_packed() && + HasGeneratedMethods(descriptor_->file(), options_)) { + printer->Print(variables_, + "mutable int _$name$_cached_byte_size_;\n"); + } +} + +void RepeatedEnumFieldGenerator:: +GenerateAccessorDeclarations(io::Printer* printer) const { + printer->Print(variables_, + "$deprecated_attr$$type$ $name$(int index) const;\n" + "$deprecated_attr$void set_$name$(int index, $type$ value);\n" + "$deprecated_attr$void add_$name$($type$ value);\n"); + printer->Print(variables_, + "$deprecated_attr$const ::google::protobuf::RepeatedField<int>& $name$() const;\n" + "$deprecated_attr$::google::protobuf::RepeatedField<int>* mutable_$name$();\n"); +} + +void RepeatedEnumFieldGenerator:: +GenerateInlineAccessorDefinitions(io::Printer* printer, + bool is_inline) const { + map<string, string> variables(variables_); + variables["inline"] = is_inline ? "inline" : ""; + printer->Print(variables, + "$inline$ $type$ $classname$::$name$(int index) const {\n" + " // @@protoc_insertion_point(field_get:$full_name$)\n" + " return static_cast< $type$ >($name$_.Get(index));\n" + "}\n" + "$inline$ void $classname$::set_$name$(int index, $type$ value) {\n"); + if (!HasPreservingUnknownEnumSemantics(descriptor_->file())) { + printer->Print(variables, + " assert($type$_IsValid(value));\n"); + } + printer->Print(variables, + " $name$_.Set(index, value);\n" + " // @@protoc_insertion_point(field_set:$full_name$)\n" + "}\n" + "$inline$ void $classname$::add_$name$($type$ value) {\n"); + if (!HasPreservingUnknownEnumSemantics(descriptor_->file())) { + printer->Print(variables, + " assert($type$_IsValid(value));\n"); + } + printer->Print(variables, + " $name$_.Add(value);\n" + " // @@protoc_insertion_point(field_add:$full_name$)\n" + "}\n"); + printer->Print(variables, + "$inline$ const ::google::protobuf::RepeatedField<int>&\n" + "$classname$::$name$() const {\n" + " // @@protoc_insertion_point(field_list:$full_name$)\n" + " return $name$_;\n" + "}\n" + "$inline$ ::google::protobuf::RepeatedField<int>*\n" + "$classname$::mutable_$name$() {\n" + " // @@protoc_insertion_point(field_mutable_list:$full_name$)\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_, "$name$_.UnsafeArenaSwap(&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 (HasPreservingUnknownEnumSemantics(descriptor_->file())) { + printer->Print(variables_, + "add_$name$(static_cast< $type$ >(value));\n"); + } else { + printer->Print(variables_, + "if ($type$_IsValid(value)) {\n" + " add_$name$(static_cast< $type$ >(value));\n"); + if (UseUnknownFieldSet(descriptor_->file(), options_)) { + printer->Print(variables_, + "} else {\n" + " mutable_unknown_fields()->AddVarint($number$, value);\n"); + } else { + printer->Print( + "} else {\n" + " unknown_fields_stream.WriteVarint32(tag);\n" + " unknown_fields_stream.WriteVarint32(value);\n"); + } + printer->Print("}\n"); + } +} + +void RepeatedEnumFieldGenerator:: +GenerateMergeFromCodedStreamWithPacking(io::Printer* printer) const { + if (!descriptor_->is_packed()) { + // This path is rarely executed, so we use a non-inlined implementation. + if (HasPreservingUnknownEnumSemantics(descriptor_->file())) { + printer->Print(variables_, + "DO_((::google::protobuf::internal::" + "WireFormatLite::ReadPackedEnumPreserveUnknowns(\n" + " input,\n" + " $number$,\n" + " NULL,\n" + " NULL,\n" + " this->mutable_$name$())));\n"); + } else if (UseUnknownFieldSet(descriptor_->file(), options_)) { + printer->Print(variables_, + "DO_((::google::protobuf::internal::WireFormat::ReadPackedEnumPreserveUnknowns(\n" + " input,\n" + " $number$,\n" + " $type$_IsValid,\n" + " mutable_unknown_fields(),\n" + " this->mutable_$name$())));\n"); + } else { + printer->Print(variables_, + "DO_((::google::protobuf::internal::" + "WireFormatLite::ReadPackedEnumPreserveUnknowns(\n" + " input,\n" + " $number$,\n" + " $type$_IsValid,\n" + " &unknown_fields_stream,\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 (HasPreservingUnknownEnumSemantics(descriptor_->file())) { + printer->Print(variables_, + " add_$name$(static_cast< $type$ >(value));\n"); + } else { + printer->Print(variables_, + " if ($type$_IsValid(value)) {\n" + " add_$name$(static_cast< $type$ >(value));\n" + " } else {\n"); + if (UseUnknownFieldSet(descriptor_->file(), options_)) { + printer->Print(variables_, + " mutable_unknown_fields()->AddVarint($number$, value);\n"); + } else { + printer->Print(variables_, + " unknown_fields_stream.WriteVarint32(tag);\n" + " unknown_fields_stream.WriteVarint32(value);\n"); + } + printer->Print( + " }\n"); + } + printer->Print(variables_, + "}\n" + "input->PopLimit(limit);\n"); + } +} + +void RepeatedEnumFieldGenerator:: +GenerateSerializeWithCachedSizes(io::Printer* printer) const { + if (descriptor_->is_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_->is_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_->is_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_->is_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_->is_packed()) { + printer->Print(variables_, + "if (data_size > 0) {\n" + " total_size += $tag_size$ +\n" + " ::google::protobuf::internal::WireFormatLite::Int32Size(data_size);\n" + "}\n" + "GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();\n" + "_$name$_cached_byte_size_ = data_size;\n" + "GOOGLE_SAFE_CONCURRENT_WRITES_END();\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 |