901 lines
32 KiB
C++
901 lines
32 KiB
C++
// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// https://developers.google.com/protocol-buffers/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Author: kenton@google.com (Kenton Varda)
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// Based on original Protocol Buffers design by
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// Sanjay Ghemawat, Jeff Dean, and others.
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#include <map>
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#include <string>
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#include <google/protobuf/stubs/logging.h>
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#include <google/protobuf/stubs/common.h>
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#include <google/protobuf/compiler/java/java_context.h>
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#include <google/protobuf/compiler/java/java_doc_comment.h>
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#include <google/protobuf/compiler/java/java_helpers.h>
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#include <google/protobuf/compiler/java/java_name_resolver.h>
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#include <google/protobuf/compiler/java/java_primitive_field.h>
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#include <google/protobuf/io/printer.h>
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#include <google/protobuf/wire_format.h>
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#include <google/protobuf/stubs/strutil.h>
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namespace google {
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namespace protobuf {
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namespace compiler {
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namespace java {
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using internal::WireFormat;
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using internal::WireFormatLite;
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namespace {
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void SetPrimitiveVariables(const FieldDescriptor* descriptor,
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int messageBitIndex,
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int builderBitIndex,
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const FieldGeneratorInfo* info,
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ClassNameResolver* name_resolver,
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std::map<string, string>* variables) {
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SetCommonFieldVariables(descriptor, info, variables);
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(*variables)["type"] = PrimitiveTypeName(GetJavaType(descriptor));
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(*variables)["boxed_type"] = BoxedPrimitiveTypeName(GetJavaType(descriptor));
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(*variables)["field_type"] = (*variables)["type"];
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(*variables)["field_list_type"] = "java.util.List<" +
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(*variables)["boxed_type"] + ">";
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(*variables)["empty_list"] = "java.util.Collections.emptyList()";
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(*variables)["default"] = ImmutableDefaultValue(descriptor, name_resolver);
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(*variables)["default_init"] = IsDefaultValueJavaDefault(descriptor) ?
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"" : ("= " + ImmutableDefaultValue(descriptor, name_resolver));
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(*variables)["capitalized_type"] =
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GetCapitalizedType(descriptor, /* immutable = */ true);
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(*variables)["tag"] =
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SimpleItoa(static_cast<int32>(WireFormat::MakeTag(descriptor)));
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(*variables)["tag_size"] = SimpleItoa(
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WireFormat::TagSize(descriptor->number(), GetType(descriptor)));
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if (IsReferenceType(GetJavaType(descriptor))) {
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(*variables)["null_check"] =
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" if (value == null) {\n"
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" throw new NullPointerException();\n"
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" }\n";
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} else {
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(*variables)["null_check"] = "";
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}
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// TODO(birdo): Add @deprecated javadoc when generating javadoc is supported
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// by the proto compiler
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(*variables)["deprecation"] = descriptor->options().deprecated()
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? "@java.lang.Deprecated " : "";
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int fixed_size = FixedSize(GetType(descriptor));
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if (fixed_size != -1) {
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(*variables)["fixed_size"] = SimpleItoa(fixed_size);
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}
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(*variables)["on_changed"] = "onChanged();";
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if (SupportFieldPresence(descriptor->file())) {
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// For singular messages and builders, one bit is used for the hasField bit.
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(*variables)["get_has_field_bit_message"] = GenerateGetBit(messageBitIndex);
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(*variables)["get_has_field_bit_builder"] = GenerateGetBit(builderBitIndex);
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// Note that these have a trailing ";".
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(*variables)["set_has_field_bit_message"] =
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GenerateSetBit(messageBitIndex) + ";";
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(*variables)["set_has_field_bit_builder"] =
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GenerateSetBit(builderBitIndex) + ";";
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(*variables)["clear_has_field_bit_builder"] =
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GenerateClearBit(builderBitIndex) + ";";
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(*variables)["is_field_present_message"] = GenerateGetBit(messageBitIndex);
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} else {
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(*variables)["set_has_field_bit_message"] = "";
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(*variables)["set_has_field_bit_builder"] = "";
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(*variables)["clear_has_field_bit_builder"] = "";
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if (descriptor->type() == FieldDescriptor::TYPE_BYTES) {
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(*variables)["is_field_present_message"] =
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"!" + (*variables)["name"] + "_.isEmpty()";
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} else {
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(*variables)["is_field_present_message"] =
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(*variables)["name"] + "_ != " + (*variables)["default"];
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}
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}
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// For repated builders, one bit is used for whether the array is immutable.
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(*variables)["get_mutable_bit_builder"] = GenerateGetBit(builderBitIndex);
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(*variables)["set_mutable_bit_builder"] = GenerateSetBit(builderBitIndex);
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(*variables)["clear_mutable_bit_builder"] = GenerateClearBit(builderBitIndex);
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// For repeated fields, one bit is used for whether the array is immutable
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// in the parsing constructor.
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(*variables)["get_mutable_bit_parser"] =
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GenerateGetBitMutableLocal(builderBitIndex);
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(*variables)["set_mutable_bit_parser"] =
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GenerateSetBitMutableLocal(builderBitIndex);
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(*variables)["get_has_field_bit_from_local"] =
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GenerateGetBitFromLocal(builderBitIndex);
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(*variables)["set_has_field_bit_to_local"] =
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GenerateSetBitToLocal(messageBitIndex);
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}
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} // namespace
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// ===================================================================
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ImmutablePrimitiveFieldGenerator::
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ImmutablePrimitiveFieldGenerator(const FieldDescriptor* descriptor,
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int messageBitIndex,
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int builderBitIndex,
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Context* context)
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: descriptor_(descriptor), messageBitIndex_(messageBitIndex),
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builderBitIndex_(builderBitIndex), context_(context),
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name_resolver_(context->GetNameResolver()) {
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SetPrimitiveVariables(descriptor, messageBitIndex, builderBitIndex,
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context->GetFieldGeneratorInfo(descriptor),
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name_resolver_, &variables_);
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}
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ImmutablePrimitiveFieldGenerator::~ImmutablePrimitiveFieldGenerator() {}
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int ImmutablePrimitiveFieldGenerator::GetNumBitsForMessage() const {
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return 1;
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}
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int ImmutablePrimitiveFieldGenerator::GetNumBitsForBuilder() const {
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return 1;
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}
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void ImmutablePrimitiveFieldGenerator::
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GenerateInterfaceMembers(io::Printer* printer) const {
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if (SupportFieldPresence(descriptor_->file())) {
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WriteFieldDocComment(printer, descriptor_);
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printer->Print(variables_,
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"$deprecation$boolean has$capitalized_name$();\n");
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}
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WriteFieldDocComment(printer, descriptor_);
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printer->Print(variables_,
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"$deprecation$$type$ get$capitalized_name$();\n");
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}
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void ImmutablePrimitiveFieldGenerator::
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GenerateMembers(io::Printer* printer) const {
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printer->Print(variables_,
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"private $field_type$ $name$_;\n");
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PrintExtraFieldInfo(variables_, printer);
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if (SupportFieldPresence(descriptor_->file())) {
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WriteFieldDocComment(printer, descriptor_);
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printer->Print(variables_,
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"$deprecation$public boolean ${$has$capitalized_name$$}$() {\n"
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" return $get_has_field_bit_message$;\n"
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"}\n");
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printer->Annotate("{", "}", descriptor_);
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}
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WriteFieldDocComment(printer, descriptor_);
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printer->Print(variables_,
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"$deprecation$public $type$ ${$get$capitalized_name$$}$() {\n"
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" return $name$_;\n"
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"}\n");
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printer->Annotate("{", "}", descriptor_);
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}
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void ImmutablePrimitiveFieldGenerator::
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GenerateBuilderMembers(io::Printer* printer) const {
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printer->Print(variables_,
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"private $field_type$ $name$_ $default_init$;\n");
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if (SupportFieldPresence(descriptor_->file())) {
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WriteFieldDocComment(printer, descriptor_);
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printer->Print(variables_,
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"$deprecation$public boolean ${$has$capitalized_name$$}$() {\n"
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" return $get_has_field_bit_builder$;\n"
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"}\n");
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printer->Annotate("{", "}", descriptor_);
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}
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WriteFieldDocComment(printer, descriptor_);
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printer->Print(variables_,
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"$deprecation$public $type$ ${$get$capitalized_name$$}$() {\n"
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" return $name$_;\n"
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"}\n");
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printer->Annotate("{", "}", descriptor_);
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WriteFieldDocComment(printer, descriptor_);
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printer->Print(variables_,
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"$deprecation$public Builder ${$set$capitalized_name$$}$($type$ value) {\n"
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"$null_check$"
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" $set_has_field_bit_builder$\n"
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" $name$_ = value;\n"
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" $on_changed$\n"
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" return this;\n"
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"}\n");
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printer->Annotate("{", "}", descriptor_);
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WriteFieldDocComment(printer, descriptor_);
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printer->Print(variables_,
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"$deprecation$public Builder ${$clear$capitalized_name$$}$() {\n"
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" $clear_has_field_bit_builder$\n");
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printer->Annotate("{", "}", descriptor_);
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JavaType type = GetJavaType(descriptor_);
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if (type == JAVATYPE_STRING || type == JAVATYPE_BYTES) {
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// The default value is not a simple literal so we want to avoid executing
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// it multiple times. Instead, get the default out of the default instance.
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printer->Print(variables_,
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" $name$_ = getDefaultInstance().get$capitalized_name$();\n");
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} else {
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printer->Print(variables_,
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" $name$_ = $default$;\n");
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}
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printer->Print(variables_,
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" $on_changed$\n"
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" return this;\n"
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"}\n");
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}
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void ImmutablePrimitiveFieldGenerator::
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GenerateFieldBuilderInitializationCode(io::Printer* printer) const {
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// noop for primitives
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}
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void ImmutablePrimitiveFieldGenerator::
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GenerateInitializationCode(io::Printer* printer) const {
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printer->Print(variables_, "$name$_ = $default$;\n");
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}
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void ImmutablePrimitiveFieldGenerator::
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GenerateBuilderClearCode(io::Printer* printer) const {
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printer->Print(variables_,
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"$name$_ = $default$;\n"
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"$clear_has_field_bit_builder$\n");
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}
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void ImmutablePrimitiveFieldGenerator::
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GenerateMergingCode(io::Printer* printer) const {
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if (SupportFieldPresence(descriptor_->file())) {
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printer->Print(variables_,
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"if (other.has$capitalized_name$()) {\n"
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" set$capitalized_name$(other.get$capitalized_name$());\n"
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"}\n");
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} else {
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printer->Print(variables_,
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"if (other.get$capitalized_name$() != $default$) {\n"
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" set$capitalized_name$(other.get$capitalized_name$());\n"
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"}\n");
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}
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}
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void ImmutablePrimitiveFieldGenerator::
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GenerateBuildingCode(io::Printer* printer) const {
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if (SupportFieldPresence(descriptor_->file())) {
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printer->Print(variables_,
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"if ($get_has_field_bit_from_local$) {\n"
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" $set_has_field_bit_to_local$;\n"
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"}\n");
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}
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printer->Print(variables_,
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"result.$name$_ = $name$_;\n");
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}
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void ImmutablePrimitiveFieldGenerator::
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GenerateParsingCode(io::Printer* printer) const {
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printer->Print(variables_,
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"$set_has_field_bit_message$\n"
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"$name$_ = input.read$capitalized_type$();\n");
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}
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void ImmutablePrimitiveFieldGenerator::
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GenerateParsingDoneCode(io::Printer* printer) const {
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// noop for primitives.
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}
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void ImmutablePrimitiveFieldGenerator::
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GenerateSerializationCode(io::Printer* printer) const {
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printer->Print(variables_,
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"if ($is_field_present_message$) {\n"
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" output.write$capitalized_type$($number$, $name$_);\n"
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"}\n");
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}
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void ImmutablePrimitiveFieldGenerator::
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GenerateSerializedSizeCode(io::Printer* printer) const {
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printer->Print(variables_,
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"if ($is_field_present_message$) {\n"
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" size += com.google.protobuf.CodedOutputStream\n"
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" .compute$capitalized_type$Size($number$, $name$_);\n"
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"}\n");
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}
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void ImmutablePrimitiveFieldGenerator::
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GenerateEqualsCode(io::Printer* printer) const {
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switch (GetJavaType(descriptor_)) {
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case JAVATYPE_INT:
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case JAVATYPE_LONG:
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case JAVATYPE_BOOLEAN:
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printer->Print(variables_,
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"result = result && (get$capitalized_name$()\n"
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" == other.get$capitalized_name$());\n");
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break;
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case JAVATYPE_FLOAT:
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printer->Print(variables_,
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"result = result && (\n"
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" java.lang.Float.floatToIntBits(get$capitalized_name$())\n"
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" == java.lang.Float.floatToIntBits(\n"
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" other.get$capitalized_name$()));\n");
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break;
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case JAVATYPE_DOUBLE:
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printer->Print(variables_,
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"result = result && (\n"
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" java.lang.Double.doubleToLongBits(get$capitalized_name$())\n"
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" == java.lang.Double.doubleToLongBits(\n"
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" other.get$capitalized_name$()));\n");
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break;
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case JAVATYPE_STRING:
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case JAVATYPE_BYTES:
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printer->Print(variables_,
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"result = result && get$capitalized_name$()\n"
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" .equals(other.get$capitalized_name$());\n");
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break;
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case JAVATYPE_ENUM:
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case JAVATYPE_MESSAGE:
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default:
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GOOGLE_LOG(FATAL) << "Can't get here.";
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break;
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}
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}
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void ImmutablePrimitiveFieldGenerator::
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GenerateHashCode(io::Printer* printer) const {
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printer->Print(variables_,
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"hash = (37 * hash) + $constant_name$;\n");
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switch (GetJavaType(descriptor_)) {
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case JAVATYPE_INT:
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printer->Print(variables_,
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"hash = (53 * hash) + get$capitalized_name$();\n");
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break;
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case JAVATYPE_LONG:
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printer->Print(variables_,
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"hash = (53 * hash) + com.google.protobuf.Internal.hashLong(\n"
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" get$capitalized_name$());\n");
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break;
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case JAVATYPE_BOOLEAN:
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printer->Print(variables_,
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"hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(\n"
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" get$capitalized_name$());\n");
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break;
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case JAVATYPE_FLOAT:
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printer->Print(variables_,
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"hash = (53 * hash) + java.lang.Float.floatToIntBits(\n"
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" get$capitalized_name$());\n");
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break;
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case JAVATYPE_DOUBLE:
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printer->Print(variables_,
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"hash = (53 * hash) + com.google.protobuf.Internal.hashLong(\n"
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" java.lang.Double.doubleToLongBits(get$capitalized_name$()));\n");
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break;
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case JAVATYPE_STRING:
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case JAVATYPE_BYTES:
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printer->Print(variables_,
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"hash = (53 * hash) + get$capitalized_name$().hashCode();\n");
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break;
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case JAVATYPE_ENUM:
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case JAVATYPE_MESSAGE:
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default:
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GOOGLE_LOG(FATAL) << "Can't get here.";
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break;
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}
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}
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string ImmutablePrimitiveFieldGenerator::GetBoxedType() const {
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return BoxedPrimitiveTypeName(GetJavaType(descriptor_));
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}
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// ===================================================================
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ImmutablePrimitiveOneofFieldGenerator::
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ImmutablePrimitiveOneofFieldGenerator(const FieldDescriptor* descriptor,
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int messageBitIndex,
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int builderBitIndex,
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Context* context)
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: ImmutablePrimitiveFieldGenerator(
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descriptor, messageBitIndex, builderBitIndex, context) {
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const OneofGeneratorInfo* info =
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context->GetOneofGeneratorInfo(descriptor->containing_oneof());
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SetCommonOneofVariables(descriptor, info, &variables_);
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}
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ImmutablePrimitiveOneofFieldGenerator::
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~ImmutablePrimitiveOneofFieldGenerator() {}
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void ImmutablePrimitiveOneofFieldGenerator::
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GenerateMembers(io::Printer* printer) const {
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PrintExtraFieldInfo(variables_, printer);
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if (SupportFieldPresence(descriptor_->file())) {
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WriteFieldDocComment(printer, descriptor_);
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printer->Print(variables_,
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"$deprecation$public boolean ${$has$capitalized_name$$}$() {\n"
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" return $has_oneof_case_message$;\n"
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"}\n");
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printer->Annotate("{", "}", descriptor_);
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}
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WriteFieldDocComment(printer, descriptor_);
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printer->Print(variables_,
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"$deprecation$public $type$ ${$get$capitalized_name$$}$() {\n"
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" if ($has_oneof_case_message$) {\n"
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" return ($boxed_type$) $oneof_name$_;\n"
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" }\n"
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" return $default$;\n"
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"}\n");
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printer->Annotate("{", "}", descriptor_);
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}
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void ImmutablePrimitiveOneofFieldGenerator::
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GenerateBuilderMembers(io::Printer* printer) const {
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if (SupportFieldPresence(descriptor_->file())) {
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WriteFieldDocComment(printer, descriptor_);
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printer->Print(variables_,
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"$deprecation$public boolean ${$has$capitalized_name$$}$() {\n"
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" return $has_oneof_case_message$;\n"
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"}\n");
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printer->Annotate("{", "}", descriptor_);
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}
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WriteFieldDocComment(printer, descriptor_);
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printer->Print(variables_,
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"$deprecation$public $type$ ${$get$capitalized_name$$}$() {\n"
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" if ($has_oneof_case_message$) {\n"
|
|
" return ($boxed_type$) $oneof_name$_;\n"
|
|
" }\n"
|
|
" return $default$;\n"
|
|
"}\n");
|
|
printer->Annotate("{", "}", descriptor_);
|
|
|
|
WriteFieldDocComment(printer, descriptor_);
|
|
printer->Print(variables_,
|
|
"$deprecation$public Builder ${$set$capitalized_name$$}$($type$ value) {\n"
|
|
"$null_check$"
|
|
" $set_oneof_case_message$;\n"
|
|
" $oneof_name$_ = value;\n"
|
|
" $on_changed$\n"
|
|
" return this;\n"
|
|
"}\n");
|
|
printer->Annotate("{", "}", descriptor_);
|
|
|
|
WriteFieldDocComment(printer, descriptor_);
|
|
printer->Print(variables_,
|
|
"$deprecation$public Builder ${$clear$capitalized_name$$}$() {\n"
|
|
" if ($has_oneof_case_message$) {\n"
|
|
" $clear_oneof_case_message$;\n"
|
|
" $oneof_name$_ = null;\n"
|
|
" $on_changed$\n"
|
|
" }\n"
|
|
" return this;\n"
|
|
"}\n");
|
|
printer->Annotate("{", "}", descriptor_);
|
|
}
|
|
|
|
void ImmutablePrimitiveOneofFieldGenerator::
|
|
GenerateBuildingCode(io::Printer* printer) const {
|
|
printer->Print(variables_,
|
|
"if ($has_oneof_case_message$) {\n"
|
|
" result.$oneof_name$_ = $oneof_name$_;\n"
|
|
"}\n");
|
|
}
|
|
|
|
void ImmutablePrimitiveOneofFieldGenerator::
|
|
GenerateMergingCode(io::Printer* printer) const {
|
|
printer->Print(variables_,
|
|
"set$capitalized_name$(other.get$capitalized_name$());\n");
|
|
}
|
|
|
|
void ImmutablePrimitiveOneofFieldGenerator::
|
|
GenerateParsingCode(io::Printer* printer) const {
|
|
printer->Print(variables_,
|
|
"$set_oneof_case_message$;\n"
|
|
"$oneof_name$_ = input.read$capitalized_type$();\n");
|
|
}
|
|
|
|
void ImmutablePrimitiveOneofFieldGenerator::
|
|
GenerateSerializationCode(io::Printer* printer) const {
|
|
printer->Print(variables_,
|
|
"if ($has_oneof_case_message$) {\n"
|
|
" output.write$capitalized_type$(\n");
|
|
// $type$ and $boxed_type$ is the same for bytes fields so we don't need to
|
|
// do redundant casts.
|
|
if (GetJavaType(descriptor_) == JAVATYPE_BYTES) {
|
|
printer->Print(variables_,
|
|
" $number$, ($type$) $oneof_name$_);\n");
|
|
} else {
|
|
printer->Print(variables_,
|
|
" $number$, ($type$)(($boxed_type$) $oneof_name$_));\n");
|
|
}
|
|
printer->Print(
|
|
"}\n");
|
|
}
|
|
|
|
void ImmutablePrimitiveOneofFieldGenerator::
|
|
GenerateSerializedSizeCode(io::Printer* printer) const {
|
|
printer->Print(variables_,
|
|
"if ($has_oneof_case_message$) {\n"
|
|
" size += com.google.protobuf.CodedOutputStream\n"
|
|
" .compute$capitalized_type$Size(\n");
|
|
// $type$ and $boxed_type$ is the same for bytes fields so we don't need to
|
|
// do redundant casts.
|
|
if (GetJavaType(descriptor_) == JAVATYPE_BYTES) {
|
|
printer->Print(variables_,
|
|
" $number$, ($type$) $oneof_name$_);\n");
|
|
} else {
|
|
printer->Print(variables_,
|
|
" $number$, ($type$)(($boxed_type$) $oneof_name$_));\n");
|
|
}
|
|
printer->Print(
|
|
"}\n");
|
|
}
|
|
|
|
// ===================================================================
|
|
|
|
RepeatedImmutablePrimitiveFieldGenerator::
|
|
RepeatedImmutablePrimitiveFieldGenerator(const FieldDescriptor* descriptor,
|
|
int messageBitIndex,
|
|
int builderBitIndex,
|
|
Context* context)
|
|
: descriptor_(descriptor), messageBitIndex_(messageBitIndex),
|
|
builderBitIndex_(builderBitIndex), context_(context),
|
|
name_resolver_(context->GetNameResolver()) {
|
|
SetPrimitiveVariables(descriptor, messageBitIndex, builderBitIndex,
|
|
context->GetFieldGeneratorInfo(descriptor),
|
|
name_resolver_, &variables_);
|
|
}
|
|
|
|
RepeatedImmutablePrimitiveFieldGenerator::
|
|
~RepeatedImmutablePrimitiveFieldGenerator() {}
|
|
|
|
int RepeatedImmutablePrimitiveFieldGenerator::GetNumBitsForMessage() const {
|
|
return 0;
|
|
}
|
|
|
|
int RepeatedImmutablePrimitiveFieldGenerator::GetNumBitsForBuilder() const {
|
|
return 1;
|
|
}
|
|
|
|
void RepeatedImmutablePrimitiveFieldGenerator::
|
|
GenerateInterfaceMembers(io::Printer* printer) const {
|
|
WriteFieldDocComment(printer, descriptor_);
|
|
printer->Print(variables_,
|
|
"$deprecation$java.util.List<$boxed_type$> get$capitalized_name$List();\n");
|
|
WriteFieldDocComment(printer, descriptor_);
|
|
printer->Print(variables_,
|
|
"$deprecation$int get$capitalized_name$Count();\n");
|
|
WriteFieldDocComment(printer, descriptor_);
|
|
printer->Print(variables_,
|
|
"$deprecation$$type$ get$capitalized_name$(int index);\n");
|
|
}
|
|
|
|
|
|
void RepeatedImmutablePrimitiveFieldGenerator::
|
|
GenerateMembers(io::Printer* printer) const {
|
|
printer->Print(variables_,
|
|
"private $field_list_type$ $name$_;\n");
|
|
PrintExtraFieldInfo(variables_, printer);
|
|
WriteFieldDocComment(printer, descriptor_);
|
|
printer->Print(variables_,
|
|
"$deprecation$public java.util.List<$boxed_type$>\n"
|
|
" ${$get$capitalized_name$List$}$() {\n"
|
|
" return $name$_;\n" // note: unmodifiable list
|
|
"}\n");
|
|
printer->Annotate("{", "}", descriptor_);
|
|
WriteFieldDocComment(printer, descriptor_);
|
|
printer->Print(variables_,
|
|
"$deprecation$public int ${$get$capitalized_name$Count$}$() {\n"
|
|
" return $name$_.size();\n"
|
|
"}\n");
|
|
printer->Annotate("{", "}", descriptor_);
|
|
WriteFieldDocComment(printer, descriptor_);
|
|
printer->Print(variables_,
|
|
"$deprecation$public $type$ ${$get$capitalized_name$$}$(int index) {\n"
|
|
" return $name$_.get(index);\n"
|
|
"}\n");
|
|
printer->Annotate("{", "}", descriptor_);
|
|
|
|
if (descriptor_->is_packed()) {
|
|
printer->Print(variables_,
|
|
"private int $name$MemoizedSerializedSize = -1;\n");
|
|
}
|
|
}
|
|
|
|
void RepeatedImmutablePrimitiveFieldGenerator::
|
|
GenerateBuilderMembers(io::Printer* printer) const {
|
|
// One field is the list and the bit field keeps track of whether the
|
|
// list is immutable. If it's immutable, the invariant is that it must
|
|
// either an instance of Collections.emptyList() or it's an ArrayList
|
|
// wrapped in a Collections.unmodifiableList() wrapper and nobody else has
|
|
// a refererence to the underlying ArrayList. This invariant allows us to
|
|
// share instances of lists between protocol buffers avoiding expensive
|
|
// memory allocations. Note, immutable is a strong guarantee here -- not
|
|
// just that the list cannot be modified via the reference but that the
|
|
// list can never be modified.
|
|
printer->Print(variables_,
|
|
"private $field_list_type$ $name$_ = $empty_list$;\n");
|
|
|
|
printer->Print(variables_,
|
|
"private void ensure$capitalized_name$IsMutable() {\n"
|
|
" if (!$get_mutable_bit_builder$) {\n"
|
|
" $name$_ = new java.util.ArrayList<$boxed_type$>($name$_);\n"
|
|
" $set_mutable_bit_builder$;\n"
|
|
" }\n"
|
|
"}\n");
|
|
|
|
// Note: We return an unmodifiable list because otherwise the caller
|
|
// could hold on to the returned list and modify it after the message
|
|
// has been built, thus mutating the message which is supposed to be
|
|
// immutable.
|
|
WriteFieldDocComment(printer, descriptor_);
|
|
printer->Print(variables_,
|
|
"$deprecation$public java.util.List<$boxed_type$>\n"
|
|
" ${$get$capitalized_name$List$}$() {\n"
|
|
" return java.util.Collections.unmodifiableList($name$_);\n"
|
|
"}\n");
|
|
printer->Annotate("{", "}", descriptor_);
|
|
WriteFieldDocComment(printer, descriptor_);
|
|
printer->Print(variables_,
|
|
"$deprecation$public int ${$get$capitalized_name$Count$}$() {\n"
|
|
" return $name$_.size();\n"
|
|
"}\n");
|
|
printer->Annotate("{", "}", descriptor_);
|
|
WriteFieldDocComment(printer, descriptor_);
|
|
printer->Print(variables_,
|
|
"$deprecation$public $type$ ${$get$capitalized_name$$}$(int index) {\n"
|
|
" return $name$_.get(index);\n"
|
|
"}\n");
|
|
printer->Annotate("{", "}", descriptor_);
|
|
WriteFieldDocComment(printer, descriptor_);
|
|
printer->Print(variables_,
|
|
"$deprecation$public Builder ${$set$capitalized_name$$}$(\n"
|
|
" int index, $type$ value) {\n"
|
|
"$null_check$"
|
|
" ensure$capitalized_name$IsMutable();\n"
|
|
" $name$_.set(index, value);\n"
|
|
" $on_changed$\n"
|
|
" return this;\n"
|
|
"}\n");
|
|
printer->Annotate("{", "}", descriptor_);
|
|
WriteFieldDocComment(printer, descriptor_);
|
|
printer->Print(variables_,
|
|
"$deprecation$public Builder ${$add$capitalized_name$$}$($type$ value) {\n"
|
|
"$null_check$"
|
|
" ensure$capitalized_name$IsMutable();\n"
|
|
" $name$_.add(value);\n"
|
|
" $on_changed$\n"
|
|
" return this;\n"
|
|
"}\n");
|
|
printer->Annotate("{", "}", descriptor_);
|
|
WriteFieldDocComment(printer, descriptor_);
|
|
printer->Print(variables_,
|
|
"$deprecation$public Builder ${$addAll$capitalized_name$$}$(\n"
|
|
" java.lang.Iterable<? extends $boxed_type$> values) {\n"
|
|
" ensure$capitalized_name$IsMutable();\n"
|
|
" com.google.protobuf.AbstractMessageLite.Builder.addAll(\n"
|
|
" values, $name$_);\n"
|
|
" $on_changed$\n"
|
|
" return this;\n"
|
|
"}\n");
|
|
printer->Annotate("{", "}", descriptor_);
|
|
WriteFieldDocComment(printer, descriptor_);
|
|
printer->Print(variables_,
|
|
"$deprecation$public Builder ${$clear$capitalized_name$$}$() {\n"
|
|
" $name$_ = $empty_list$;\n"
|
|
" $clear_mutable_bit_builder$;\n"
|
|
" $on_changed$\n"
|
|
" return this;\n"
|
|
"}\n");
|
|
printer->Annotate("{", "}", descriptor_);
|
|
}
|
|
|
|
void RepeatedImmutablePrimitiveFieldGenerator::
|
|
GenerateFieldBuilderInitializationCode(io::Printer* printer) const {
|
|
// noop for primitives
|
|
}
|
|
|
|
void RepeatedImmutablePrimitiveFieldGenerator::
|
|
GenerateInitializationCode(io::Printer* printer) const {
|
|
printer->Print(variables_, "$name$_ = $empty_list$;\n");
|
|
}
|
|
|
|
void RepeatedImmutablePrimitiveFieldGenerator::
|
|
GenerateBuilderClearCode(io::Printer* printer) const {
|
|
printer->Print(variables_,
|
|
"$name$_ = $empty_list$;\n"
|
|
"$clear_mutable_bit_builder$;\n");
|
|
}
|
|
|
|
void RepeatedImmutablePrimitiveFieldGenerator::
|
|
GenerateMergingCode(io::Printer* printer) const {
|
|
// The code below does two optimizations:
|
|
// 1. If the other list is empty, there's nothing to do. This ensures we
|
|
// don't allocate a new array if we already have an immutable one.
|
|
// 2. If the other list is non-empty and our current list is empty, we can
|
|
// reuse the other list which is guaranteed to be immutable.
|
|
printer->Print(variables_,
|
|
"if (!other.$name$_.isEmpty()) {\n"
|
|
" if ($name$_.isEmpty()) {\n"
|
|
" $name$_ = other.$name$_;\n"
|
|
" $clear_mutable_bit_builder$;\n"
|
|
" } else {\n"
|
|
" ensure$capitalized_name$IsMutable();\n"
|
|
" $name$_.addAll(other.$name$_);\n"
|
|
" }\n"
|
|
" $on_changed$\n"
|
|
"}\n");
|
|
}
|
|
|
|
void RepeatedImmutablePrimitiveFieldGenerator::
|
|
GenerateBuildingCode(io::Printer* printer) const {
|
|
// The code below ensures that the result has an immutable list. If our
|
|
// list is immutable, we can just reuse it. If not, we make it immutable.
|
|
printer->Print(variables_,
|
|
"if ($get_mutable_bit_builder$) {\n"
|
|
" $name$_ = java.util.Collections.unmodifiableList($name$_);\n"
|
|
" $clear_mutable_bit_builder$;\n"
|
|
"}\n"
|
|
"result.$name$_ = $name$_;\n");
|
|
}
|
|
|
|
void RepeatedImmutablePrimitiveFieldGenerator::
|
|
GenerateParsingCode(io::Printer* printer) const {
|
|
printer->Print(variables_,
|
|
"if (!$get_mutable_bit_parser$) {\n"
|
|
" $name$_ = new java.util.ArrayList<$boxed_type$>();\n"
|
|
" $set_mutable_bit_parser$;\n"
|
|
"}\n"
|
|
"$name$_.add(input.read$capitalized_type$());\n");
|
|
}
|
|
|
|
void RepeatedImmutablePrimitiveFieldGenerator::
|
|
GenerateParsingCodeFromPacked(io::Printer* printer) const {
|
|
printer->Print(variables_,
|
|
"int length = input.readRawVarint32();\n"
|
|
"int limit = input.pushLimit(length);\n"
|
|
"if (!$get_mutable_bit_parser$ && input.getBytesUntilLimit() > 0) {\n"
|
|
" $name$_ = new java.util.ArrayList<$boxed_type$>();\n"
|
|
" $set_mutable_bit_parser$;\n"
|
|
"}\n"
|
|
"while (input.getBytesUntilLimit() > 0) {\n"
|
|
" $name$_.add(input.read$capitalized_type$());\n"
|
|
"}\n"
|
|
"input.popLimit(limit);\n");
|
|
}
|
|
|
|
void RepeatedImmutablePrimitiveFieldGenerator::
|
|
GenerateParsingDoneCode(io::Printer* printer) const {
|
|
printer->Print(variables_,
|
|
"if ($get_mutable_bit_parser$) {\n"
|
|
" $name$_ = java.util.Collections.unmodifiableList($name$_);\n"
|
|
"}\n");
|
|
}
|
|
|
|
void RepeatedImmutablePrimitiveFieldGenerator::
|
|
GenerateSerializationCode(io::Printer* printer) const {
|
|
if (descriptor_->is_packed()) {
|
|
// We invoke getSerializedSize in writeTo for messages that have packed
|
|
// fields in ImmutableMessageGenerator::GenerateMessageSerializationMethods.
|
|
// That makes it safe to rely on the memoized size here.
|
|
printer->Print(variables_,
|
|
"if (get$capitalized_name$List().size() > 0) {\n"
|
|
" output.writeUInt32NoTag($tag$);\n"
|
|
" output.writeUInt32NoTag($name$MemoizedSerializedSize);\n"
|
|
"}\n"
|
|
"for (int i = 0; i < $name$_.size(); i++) {\n"
|
|
" output.write$capitalized_type$NoTag($name$_.get(i));\n"
|
|
"}\n");
|
|
} else {
|
|
printer->Print(variables_,
|
|
"for (int i = 0; i < $name$_.size(); i++) {\n"
|
|
" output.write$capitalized_type$($number$, $name$_.get(i));\n"
|
|
"}\n");
|
|
}
|
|
}
|
|
|
|
void RepeatedImmutablePrimitiveFieldGenerator::
|
|
GenerateSerializedSizeCode(io::Printer* printer) const {
|
|
printer->Print(variables_,
|
|
"{\n"
|
|
" int dataSize = 0;\n");
|
|
printer->Indent();
|
|
|
|
if (FixedSize(GetType(descriptor_)) == -1) {
|
|
printer->Print(variables_,
|
|
"for (int i = 0; i < $name$_.size(); i++) {\n"
|
|
" dataSize += com.google.protobuf.CodedOutputStream\n"
|
|
" .compute$capitalized_type$SizeNoTag($name$_.get(i));\n"
|
|
"}\n");
|
|
} else {
|
|
printer->Print(variables_,
|
|
"dataSize = $fixed_size$ * get$capitalized_name$List().size();\n");
|
|
}
|
|
|
|
printer->Print(
|
|
"size += dataSize;\n");
|
|
|
|
if (descriptor_->is_packed()) {
|
|
printer->Print(variables_,
|
|
"if (!get$capitalized_name$List().isEmpty()) {\n"
|
|
" size += $tag_size$;\n"
|
|
" size += com.google.protobuf.CodedOutputStream\n"
|
|
" .computeInt32SizeNoTag(dataSize);\n"
|
|
"}\n");
|
|
} else {
|
|
printer->Print(variables_,
|
|
"size += $tag_size$ * get$capitalized_name$List().size();\n");
|
|
}
|
|
|
|
// cache the data size for packed fields.
|
|
if (descriptor_->is_packed()) {
|
|
printer->Print(variables_,
|
|
"$name$MemoizedSerializedSize = dataSize;\n");
|
|
}
|
|
|
|
printer->Outdent();
|
|
printer->Print("}\n");
|
|
}
|
|
|
|
void RepeatedImmutablePrimitiveFieldGenerator::
|
|
GenerateEqualsCode(io::Printer* printer) const {
|
|
printer->Print(variables_,
|
|
"result = result && get$capitalized_name$List()\n"
|
|
" .equals(other.get$capitalized_name$List());\n");
|
|
}
|
|
|
|
void RepeatedImmutablePrimitiveFieldGenerator::
|
|
GenerateHashCode(io::Printer* printer) const {
|
|
printer->Print(variables_,
|
|
"if (get$capitalized_name$Count() > 0) {\n"
|
|
" hash = (37 * hash) + $constant_name$;\n"
|
|
" hash = (53 * hash) + get$capitalized_name$List().hashCode();\n"
|
|
"}\n");
|
|
}
|
|
|
|
string RepeatedImmutablePrimitiveFieldGenerator::GetBoxedType() const {
|
|
return BoxedPrimitiveTypeName(GetJavaType(descriptor_));
|
|
}
|
|
|
|
} // namespace java
|
|
} // namespace compiler
|
|
} // namespace protobuf
|
|
} // namespace google
|