| // 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: dweis@google.com (Daniel Weis) |
| // Based on original Protocol Buffers design by |
| // Sanjay Ghemawat, Jeff Dean, and others. |
| |
| #include "google/protobuf/compiler/java/message_builder_lite.h" |
| |
| #include <algorithm> |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include "absl/container/flat_hash_map.h" |
| #include "absl/strings/str_cat.h" |
| #include "absl/strings/substitute.h" |
| #include "google/protobuf/compiler/java/context.h" |
| #include "google/protobuf/compiler/java/doc_comment.h" |
| #include "google/protobuf/compiler/java/enum.h" |
| #include "google/protobuf/compiler/java/extension.h" |
| #include "google/protobuf/compiler/java/generator_factory.h" |
| #include "google/protobuf/compiler/java/helpers.h" |
| #include "google/protobuf/compiler/java/name_resolver.h" |
| #include "google/protobuf/descriptor.pb.h" |
| #include "google/protobuf/io/coded_stream.h" |
| #include "google/protobuf/io/printer.h" |
| #include "google/protobuf/wire_format.h" |
| |
| // Must be last. |
| #include "google/protobuf/port_def.inc" |
| |
| namespace google { |
| namespace protobuf { |
| namespace compiler { |
| namespace java { |
| |
| MessageBuilderLiteGenerator::MessageBuilderLiteGenerator( |
| const Descriptor* descriptor, Context* context) |
| : descriptor_(descriptor), |
| context_(context), |
| name_resolver_(context->GetNameResolver()), |
| field_generators_(descriptor, context_) { |
| GOOGLE_CHECK(!HasDescriptorMethods(descriptor->file(), context->EnforceLite())) |
| << "Generator factory error: A lite message generator is used to " |
| "generate non-lite messages."; |
| for (int i = 0; i < descriptor_->field_count(); i++) { |
| if (IsRealOneof(descriptor_->field(i))) { |
| const OneofDescriptor* oneof = descriptor_->field(i)->containing_oneof(); |
| GOOGLE_CHECK(oneofs_.emplace(oneof->index(), oneof).first->second == oneof); |
| } |
| } |
| } |
| |
| MessageBuilderLiteGenerator::~MessageBuilderLiteGenerator() {} |
| |
| void MessageBuilderLiteGenerator::Generate(io::Printer* printer) { |
| WriteMessageDocComment(printer, descriptor_); |
| absl::flat_hash_map<absl::string_view, std::string> vars = { |
| {"{", ""}, |
| {"}", ""}, |
| {"classname", name_resolver_->GetImmutableClassName(descriptor_)}, |
| {"extra_interfaces", ExtraBuilderInterfaces(descriptor_)}, |
| {"extendible", |
| descriptor_->extension_range_count() > 0 ? "Extendable" : ""}, |
| }; |
| printer->Print( |
| vars, |
| "public static final class ${$Builder$}$ extends\n" |
| " com.google.protobuf.GeneratedMessageLite.$extendible$Builder<\n" |
| " $classname$, Builder> implements\n" |
| " $extra_interfaces$\n" |
| " $classname$OrBuilder {\n"); |
| printer->Annotate("{", "}", descriptor_); |
| printer->Indent(); |
| |
| GenerateCommonBuilderMethods(printer); |
| |
| // oneof |
| for (auto& kv : oneofs_) { |
| const OneofDescriptor* oneof = kv.second; |
| vars["oneof_name"] = context_->GetOneofGeneratorInfo(oneof)->name; |
| vars["oneof_capitalized_name"] = |
| context_->GetOneofGeneratorInfo(oneof)->capitalized_name; |
| vars["oneof_index"] = absl::StrCat(oneof->index()); |
| |
| // oneofCase() and clearOneof() |
| printer->Print(vars, |
| "@java.lang.Override\n" |
| "public $oneof_capitalized_name$Case\n" |
| " ${$get$oneof_capitalized_name$Case$}$() {\n" |
| " return instance.get$oneof_capitalized_name$Case();\n" |
| "}\n"); |
| printer->Annotate("{", "}", oneof); |
| printer->Print(vars, |
| "\n" |
| "public Builder ${$clear$oneof_capitalized_name$$}$() {\n" |
| " copyOnWrite();\n" |
| " instance.clear$oneof_capitalized_name$();\n" |
| " return this;\n" |
| "}\n" |
| "\n"); |
| printer->Annotate("{", "}", oneof); |
| } |
| |
| for (int i = 0; i < descriptor_->field_count(); i++) { |
| printer->Print("\n"); |
| field_generators_.get(descriptor_->field(i)) |
| .GenerateBuilderMembers(printer); |
| } |
| |
| printer->Print( |
| "\n" |
| "// @@protoc_insertion_point(builder_scope:$full_name$)\n", |
| "full_name", descriptor_->full_name()); |
| |
| printer->Outdent(); |
| printer->Print("}\n"); |
| } |
| |
| // =================================================================== |
| |
| void MessageBuilderLiteGenerator::GenerateCommonBuilderMethods( |
| io::Printer* printer) { |
| printer->Print( |
| "// Construct using $classname$.newBuilder()\n" |
| "private Builder() {\n" |
| " super(DEFAULT_INSTANCE);\n" |
| "}\n" |
| "\n", |
| "classname", name_resolver_->GetImmutableClassName(descriptor_)); |
| } |
| |
| // =================================================================== |
| |
| } // namespace java |
| } // namespace compiler |
| } // namespace protobuf |
| } // namespace google |
| |
| #include "google/protobuf/port_undef.inc" |