diff options
Diffstat (limited to 'src/google/protobuf/compiler/csharp/csharp_extension.cc')
| -rw-r--r-- | src/google/protobuf/compiler/csharp/csharp_extension.cc | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/src/google/protobuf/compiler/csharp/csharp_extension.cc b/src/google/protobuf/compiler/csharp/csharp_extension.cc new file mode 100644 index 00000000..2bac320d --- /dev/null +++ b/src/google/protobuf/compiler/csharp/csharp_extension.cc @@ -0,0 +1,166 @@ +// 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_extension.h> +#include <google/protobuf/compiler/csharp/csharp_helpers.h> +#include <google/protobuf/compiler/csharp/csharp_writer.h> +#include <google/protobuf/compiler/csharp/csharp_field_base.h> + +using google::protobuf::internal::scoped_ptr; + +namespace google { +namespace protobuf { +namespace compiler { +namespace csharp { + +ExtensionGenerator::ExtensionGenerator(const FieldDescriptor* descriptor) + : FieldGeneratorBase(descriptor, 0) { + if (descriptor_->extension_scope()) { + scope_ = GetClassName(descriptor_->extension_scope()); + } else { + scope_ = GetFullUmbrellaClassName(descriptor_->file()); + } + extends_ = GetClassName(descriptor_->containing_type()); +} + +ExtensionGenerator::~ExtensionGenerator() { +} + +void ExtensionGenerator::Generate(Writer* writer) { + writer->WriteLine("public const int $0$ = $1$;", + GetFieldConstantName(descriptor_), + SimpleItoa(descriptor_->number())); + + if (use_lite_runtime()) { + // TODO(jtattermusch): include the following check + //if (Descriptor.MappedType == MappedType.Message && Descriptor.MessageType.Options.MessageSetWireFormat) + //{ + // throw new ArgumentException( + // "option message_set_wire_format = true; is not supported in Lite runtime extensions."); + //} + + writer->Write("$0$ ", class_access_level()); + writer->WriteLine( + "static pb::$3$<$0$, $1$> $2$;", + extends_, + type_name(), + property_name(), + descriptor_->is_repeated() ? + "GeneratedRepeatExtensionLite" : "GeneratedExtensionLite"); + } else if (descriptor_->is_repeated()) { + writer->WriteLine( + "$0$ static pb::GeneratedExtensionBase<scg::IList<$1$>> $2$;", + class_access_level(), type_name(), property_name()); + } else { + writer->WriteLine("$0$ static pb::GeneratedExtensionBase<$1$> $2$;", + class_access_level(), type_name(), property_name()); + } +} + +void ExtensionGenerator::GenerateStaticVariableInitializers(Writer* writer) { + if (use_lite_runtime()) { + writer->WriteLine("$0$.$1$ = ", scope_, property_name()); + writer->Indent(); + writer->WriteLine( + "new pb::$0$<$1$, $2$>(", + descriptor_->is_repeated() ? + "GeneratedRepeatExtensionLite" : "GeneratedExtensionLite", + extends_, type_name()); + writer->Indent(); + writer->WriteLine("\"$0$\",", descriptor_->full_name()); + writer->WriteLine("$0$.DefaultInstance,", extends_); + if (!descriptor_->is_repeated()) { + std::string default_val; + if (descriptor_->has_default_value()) { + default_val = default_value(); + } else { + default_val = is_nullable_type() ? "null" : ("default(" + type_name() + ")"); + } + writer->WriteLine("$0$,", default_val); + } + writer->WriteLine( + "$0$,", + (GetCSharpType(descriptor_->type()) == CSHARPTYPE_MESSAGE) ? + type_name() + ".DefaultInstance" : "null"); + writer->WriteLine( + "$0$,", + (GetCSharpType(descriptor_->type()) == CSHARPTYPE_ENUM) ? + "new EnumLiteMap<" + type_name() + ">()" : "null"); + writer->WriteLine("$0$.$1$FieldNumber,", scope_, + GetPropertyName(descriptor_)); + writer->Write("pbd::FieldType.$0$", capitalized_type_name()); + if (descriptor_->is_repeated()) { + writer->WriteLine(","); + writer->Write(descriptor_->is_packed() ? "true" : "false"); + } + writer->Outdent(); + writer->WriteLine(");"); + writer->Outdent(); + } + else if (descriptor_->is_repeated()) + { + writer->WriteLine( + "$0$.$1$ = pb::GeneratedRepeatExtension<$2$>.CreateInstance($0$.Descriptor.Extensions[$3$]);", + scope_, property_name(), type_name(), SimpleItoa(descriptor_->index())); + } + else + { + writer->WriteLine( + "$0$.$1$ = pb::GeneratedSingleExtension<$2$>.CreateInstance($0$.Descriptor.Extensions[$3$]);", + scope_, property_name(), type_name(), SimpleItoa(descriptor_->index())); + } +} + +void ExtensionGenerator::GenerateExtensionRegistrationCode(Writer* writer) { + writer->WriteLine("registry.Add($0$.$1$);", scope_, property_name()); +} + +void ExtensionGenerator::WriteHash(Writer* writer) { +} + +void ExtensionGenerator::WriteEquals(Writer* writer) { +} + +void ExtensionGenerator::WriteToString(Writer* writer) { +} + +} // namespace csharp +} // namespace compiler +} // namespace protobuf +} // namespace google |