diff options
Diffstat (limited to 'third_party/protobuf/3.6.0/src/google/protobuf/compiler/csharp/csharp_wrapper_field.cc')
-rw-r--r-- | third_party/protobuf/3.6.0/src/google/protobuf/compiler/csharp/csharp_wrapper_field.cc | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/third_party/protobuf/3.6.0/src/google/protobuf/compiler/csharp/csharp_wrapper_field.cc b/third_party/protobuf/3.6.0/src/google/protobuf/compiler/csharp/csharp_wrapper_field.cc new file mode 100644 index 0000000000..047edf7345 --- /dev/null +++ b/third_party/protobuf/3.6.0/src/google/protobuf/compiler/csharp/csharp_wrapper_field.cc @@ -0,0 +1,225 @@ +// 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. + +#include <sstream> + +#include <google/protobuf/compiler/code_generator.h> +#include <google/protobuf/compiler/plugin.h> +#include <google/protobuf/descriptor.h> +#include <google/protobuf/descriptor.pb.h> +#include <google/protobuf/io/printer.h> +#include <google/protobuf/io/zero_copy_stream.h> + +#include <google/protobuf/compiler/csharp/csharp_doc_comment.h> +#include <google/protobuf/compiler/csharp/csharp_helpers.h> +#include <google/protobuf/compiler/csharp/csharp_options.h> +#include <google/protobuf/compiler/csharp/csharp_wrapper_field.h> + +namespace google { +namespace protobuf { +namespace compiler { +namespace csharp { + +WrapperFieldGenerator::WrapperFieldGenerator(const FieldDescriptor* descriptor, + int fieldOrdinal, const Options *options) + : FieldGeneratorBase(descriptor, fieldOrdinal, options) { + variables_["has_property_check"] = name() + "_ != null"; + variables_["has_not_property_check"] = name() + "_ == null"; + const FieldDescriptor* wrapped_field = descriptor->message_type()->field(0); + is_value_type = wrapped_field->type() != FieldDescriptor::TYPE_STRING && + wrapped_field->type() != FieldDescriptor::TYPE_BYTES; + if (is_value_type) { + variables_["nonnullable_type_name"] = type_name(wrapped_field); + } +} + +WrapperFieldGenerator::~WrapperFieldGenerator() { +} + +void WrapperFieldGenerator::GenerateMembers(io::Printer* printer) { + printer->Print( + variables_, + "private static readonly pb::FieldCodec<$type_name$> _single_$name$_codec = "); + GenerateCodecCode(printer); + printer->Print( + variables_, + ";\n" + "private $type_name$ $name$_;\n"); + WritePropertyDocComment(printer, descriptor_); + AddPublicMemberAttributes(printer); + printer->Print( + variables_, + "$access_level$ $type_name$ $property_name$ {\n" + " get { return $name$_; }\n" + " set {\n" + " $name$_ = value;\n" + " }\n" + "}\n"); +} + +void WrapperFieldGenerator::GenerateMergingCode(io::Printer* printer) { + printer->Print( + variables_, + "if (other.$has_property_check$) {\n" + " if ($has_not_property_check$ || other.$property_name$ != $default_value$) {\n" + " $property_name$ = other.$property_name$;\n" + " }\n" + "}\n"); +} + +void WrapperFieldGenerator::GenerateParsingCode(io::Printer* printer) { + printer->Print( + variables_, + "$type_name$ value = _single_$name$_codec.Read(input);\n" + "if ($has_not_property_check$ || value != $default_value$) {\n" + " $property_name$ = value;\n" + "}\n"); +} + +void WrapperFieldGenerator::GenerateSerializationCode(io::Printer* printer) { + printer->Print( + variables_, + "if ($has_property_check$) {\n" + " _single_$name$_codec.WriteTagAndValue(output, $property_name$);\n" + "}\n"); +} + +void WrapperFieldGenerator::GenerateSerializedSizeCode(io::Printer* printer) { + printer->Print( + variables_, + "if ($has_property_check$) {\n" + " size += _single_$name$_codec.CalculateSizeWithTag($property_name$);\n" + "}\n"); +} + +void WrapperFieldGenerator::WriteHash(io::Printer* printer) { + const char *text = "if ($has_property_check$) hash ^= $property_name$.GetHashCode();\n"; + if (descriptor_->message_type()->field(0)->type() == FieldDescriptor::TYPE_FLOAT) { + text = "if ($has_property_check$) hash ^= pbc::ProtobufEqualityComparers.BitwiseNullableSingleEqualityComparer.GetHashCode($property_name$);\n"; + } + else if (descriptor_->message_type()->field(0)->type() == FieldDescriptor::TYPE_DOUBLE) { + text = "if ($has_property_check$) hash ^= pbc::ProtobufEqualityComparers.BitwiseNullableDoubleEqualityComparer.GetHashCode($property_name$);\n"; + } + printer->Print(variables_, text); +} + +void WrapperFieldGenerator::WriteEquals(io::Printer* printer) { + const char *text = "if ($property_name$ != other.$property_name$) return false;\n"; + if (descriptor_->message_type()->field(0)->type() == FieldDescriptor::TYPE_FLOAT) { + text = "if (!pbc::ProtobufEqualityComparers.BitwiseNullableSingleEqualityComparer.Equals($property_name$, other.$property_name$)) return false;\n"; + } + else if (descriptor_->message_type()->field(0)->type() == FieldDescriptor::TYPE_DOUBLE) { + text = "if (!pbc::ProtobufEqualityComparers.BitwiseNullableDoubleEqualityComparer.Equals($property_name$, other.$property_name$)) return false;\n"; + } + printer->Print(variables_, text); +} + +void WrapperFieldGenerator::WriteToString(io::Printer* printer) { + // TODO: Implement if we ever actually need it... +} + +void WrapperFieldGenerator::GenerateCloningCode(io::Printer* printer) { + printer->Print(variables_, + "$property_name$ = other.$property_name$;\n"); +} + +void WrapperFieldGenerator::GenerateCodecCode(io::Printer* printer) { + if (is_value_type) { + printer->Print( + variables_, + "pb::FieldCodec.ForStructWrapper<$nonnullable_type_name$>($tag$)"); + } else { + printer->Print( + variables_, + "pb::FieldCodec.ForClassWrapper<$type_name$>($tag$)"); + } +} + +WrapperOneofFieldGenerator::WrapperOneofFieldGenerator( + const FieldDescriptor* descriptor, int fieldOrdinal, const Options *options) + : WrapperFieldGenerator(descriptor, fieldOrdinal, options) { + SetCommonOneofFieldVariables(&variables_); +} + +WrapperOneofFieldGenerator::~WrapperOneofFieldGenerator() { +} + +void WrapperOneofFieldGenerator::GenerateMembers(io::Printer* printer) { + // Note: deliberately _oneof_$name$_codec, not _$oneof_name$_codec... we have one codec per field. + printer->Print( + variables_, + "private static readonly pb::FieldCodec<$type_name$> _oneof_$name$_codec = "); + GenerateCodecCode(printer); + printer->Print(";\n"); + WritePropertyDocComment(printer, descriptor_); + AddPublicMemberAttributes(printer); + printer->Print( + variables_, + "$access_level$ $type_name$ $property_name$ {\n" + " get { return $has_property_check$ ? ($type_name$) $oneof_name$_ : ($type_name$) null; }\n" + " set {\n" + " $oneof_name$_ = value;\n" + " $oneof_name$Case_ = value == null ? $oneof_property_name$OneofCase.None : $oneof_property_name$OneofCase.$property_name$;\n" + " }\n" + "}\n"); +} + +void WrapperOneofFieldGenerator::GenerateMergingCode(io::Printer* printer) { + printer->Print(variables_, "$property_name$ = other.$property_name$;\n"); +} + +void WrapperOneofFieldGenerator::GenerateParsingCode(io::Printer* printer) { + printer->Print( + variables_, + "$property_name$ = _oneof_$name$_codec.Read(input);\n"); +} + +void WrapperOneofFieldGenerator::GenerateSerializationCode(io::Printer* printer) { + // TODO: I suspect this is wrong... + printer->Print( + variables_, + "if ($has_property_check$) {\n" + " _oneof_$name$_codec.WriteTagAndValue(output, ($type_name$) $oneof_name$_);\n" + "}\n"); +} + +void WrapperOneofFieldGenerator::GenerateSerializedSizeCode(io::Printer* printer) { + // TODO: I suspect this is wrong... + printer->Print( + variables_, + "if ($has_property_check$) {\n" + " size += _oneof_$name$_codec.CalculateSizeWithTag($property_name$);\n" + "}\n"); +} + +} // namespace csharp +} // namespace compiler +} // namespace protobuf +} // namespace google |