diff options
Diffstat (limited to 'src/google/protobuf/compiler/java/java_enum_field_lite.cc')
| -rw-r--r-- | src/google/protobuf/compiler/java/java_enum_field_lite.cc | 967 |
1 files changed, 967 insertions, 0 deletions
diff --git a/src/google/protobuf/compiler/java/java_enum_field_lite.cc b/src/google/protobuf/compiler/java/java_enum_field_lite.cc new file mode 100644 index 00000000..697a07a7 --- /dev/null +++ b/src/google/protobuf/compiler/java/java_enum_field_lite.cc @@ -0,0 +1,967 @@ +// 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 <map> +#include <string> + +#include <google/protobuf/stubs/common.h> +#include <google/protobuf/compiler/java/java_context.h> +#include <google/protobuf/compiler/java/java_doc_comment.h> +#include <google/protobuf/compiler/java/java_enum_field_lite.h> +#include <google/protobuf/compiler/java/java_helpers.h> +#include <google/protobuf/compiler/java/java_name_resolver.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 java { + +namespace { + +void SetEnumVariables(const FieldDescriptor* descriptor, + int messageBitIndex, + int builderBitIndex, + const FieldGeneratorInfo* info, + ClassNameResolver* name_resolver, + map<string, string>* variables) { + SetCommonFieldVariables(descriptor, info, variables); + + (*variables)["type"] = + name_resolver->GetImmutableClassName(descriptor->enum_type()); + (*variables)["mutable_type"] = + name_resolver->GetMutableClassName(descriptor->enum_type()); + (*variables)["default"] = ImmutableDefaultValue(descriptor, name_resolver); + (*variables)["default_number"] = SimpleItoa( + descriptor->default_value_enum()->number()); + (*variables)["tag"] = SimpleItoa(internal::WireFormat::MakeTag(descriptor)); + (*variables)["tag_size"] = SimpleItoa( + internal::WireFormat::TagSize(descriptor->number(), GetType(descriptor))); + // TODO(birdo): Add @deprecated javadoc when generating javadoc is supported + // by the proto compiler + (*variables)["deprecation"] = descriptor->options().deprecated() + ? "@java.lang.Deprecated " : ""; + (*variables)["on_changed"] = + HasDescriptorMethods(descriptor->containing_type()) ? "onChanged();" : ""; + + if (SupportFieldPresence(descriptor->file())) { + // For singular messages and builders, one bit is used for the hasField bit. + (*variables)["get_has_field_bit_message"] = GenerateGetBit(messageBitIndex); + + // Note that these have a trailing ";". + (*variables)["set_has_field_bit_message"] = + GenerateSetBit(messageBitIndex) + ";"; + (*variables)["clear_has_field_bit_message"] = + GenerateClearBit(messageBitIndex) + ";"; + + (*variables)["is_field_present_message"] = GenerateGetBit(messageBitIndex); + } else { + (*variables)["set_has_field_bit_message"] = ""; + (*variables)["clear_has_field_bit_message"] = ""; + + (*variables)["is_field_present_message"] = + (*variables)["name"] + "_ != " + + (*variables)["default"] + ".getNumber()"; + } + + // For repeated builders, the underlying list tracks mutability state. + (*variables)["is_mutable"] = (*variables)["name"] + "_.isModifiable()"; + + (*variables)["get_has_field_bit_from_local"] = + GenerateGetBitFromLocal(builderBitIndex); + (*variables)["set_has_field_bit_to_local"] = + GenerateSetBitToLocal(messageBitIndex); + + if (SupportUnknownEnumValue(descriptor->file())) { + (*variables)["unknown"] = (*variables)["type"] + ".UNRECOGNIZED"; + } else { + (*variables)["unknown"] = (*variables)["default"]; + } +} + +} // namespace + +// =================================================================== + +ImmutableEnumFieldLiteGenerator:: +ImmutableEnumFieldLiteGenerator(const FieldDescriptor* descriptor, + int messageBitIndex, + int builderBitIndex, + Context* context) + : descriptor_(descriptor), messageBitIndex_(messageBitIndex), + builderBitIndex_(builderBitIndex), + name_resolver_(context->GetNameResolver()) { + SetEnumVariables(descriptor, messageBitIndex, builderBitIndex, + context->GetFieldGeneratorInfo(descriptor), + name_resolver_, &variables_); +} + +ImmutableEnumFieldLiteGenerator::~ImmutableEnumFieldLiteGenerator() {} + +int ImmutableEnumFieldLiteGenerator::GetNumBitsForMessage() const { + return 1; +} + +int ImmutableEnumFieldLiteGenerator::GetNumBitsForBuilder() const { + return 0; +} + +void ImmutableEnumFieldLiteGenerator:: +GenerateInterfaceMembers(io::Printer* printer) const { + if (SupportFieldPresence(descriptor_->file())) { + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$boolean has$capitalized_name$();\n"); + } + if (SupportUnknownEnumValue(descriptor_->file())) { + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$int get$capitalized_name$Value();\n"); + } + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$$type$ get$capitalized_name$();\n"); +} + +void ImmutableEnumFieldLiteGenerator:: +GenerateMembers(io::Printer* printer) const { + printer->Print(variables_, + "private int $name$_;\n"); + PrintExtraFieldInfo(variables_, printer); + if (SupportFieldPresence(descriptor_->file())) { + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public boolean has$capitalized_name$() {\n" + " return $get_has_field_bit_message$;\n" + "}\n"); + } + if (SupportUnknownEnumValue(descriptor_->file())) { + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public int get$capitalized_name$Value() {\n" + " return $name$_;\n" + "}\n"); + } + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public $type$ get$capitalized_name$() {\n" + " $type$ result = $type$.valueOf($name$_);\n" + " return result == null ? $unknown$ : result;\n" + "}\n"); + + // Generate private setters for the builder to proxy into. + if (SupportUnknownEnumValue(descriptor_->file())) { + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "private void set$capitalized_name$Value(int value) {\n" + " $set_has_field_bit_message$" + " $name$_ = value;\n" + "}\n"); + } + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "private void set$capitalized_name$($type$ value) {\n" + " if (value == null) {\n" + " throw new NullPointerException();\n" + " }\n" + " $set_has_field_bit_message$\n" + " $name$_ = value.getNumber();\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "private void clear$capitalized_name$() {\n" + " $clear_has_field_bit_message$\n" + " $name$_ = $default_number$;\n" + "}\n"); +} + +void ImmutableEnumFieldLiteGenerator:: +GenerateBuilderMembers(io::Printer* printer) const { + if (SupportFieldPresence(descriptor_->file())) { + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public boolean has$capitalized_name$() {\n" + " return instance.has$capitalized_name$();\n" + "}\n"); + } + if (SupportUnknownEnumValue(descriptor_->file())) { + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public int get$capitalized_name$Value() {\n" + " return instance.get$capitalized_name$Value();\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public Builder set$capitalized_name$Value(int value) {\n" + " copyOnWrite();\n" + " instance.set$capitalized_name$Value(int value);\n" + " return this;\n" + "}\n"); + } + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public $type$ get$capitalized_name$() {\n" + " return instance.get$capitalized_name$();\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public Builder set$capitalized_name$($type$ value) {\n" + " copyOnWrite();\n" + " instance.set$capitalized_name$(value);\n" + " return this;\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public Builder clear$capitalized_name$() {\n" + " copyOnWrite();\n" + " instance.clear$capitalized_name$();\n" + " return this;\n" + "}\n"); +} + +void ImmutableEnumFieldLiteGenerator:: +GenerateFieldBuilderInitializationCode(io::Printer* printer) const { + // noop for enums +} + +void ImmutableEnumFieldLiteGenerator:: +GenerateInitializationCode(io::Printer* printer) const { + printer->Print(variables_, "$name$_ = $default_number$;\n"); +} + +void ImmutableEnumFieldLiteGenerator:: +GenerateMergingCode(io::Printer* printer) const { + if (SupportFieldPresence(descriptor_->file())) { + printer->Print(variables_, + "if (other.has$capitalized_name$()) {\n" + " set$capitalized_name$(other.get$capitalized_name$());\n" + "}\n"); + } else if (SupportUnknownEnumValue(descriptor_->file())) { + printer->Print(variables_, + "if (other.$name$_ != $default_number$) {\n" + " set$capitalized_name$Value(other.get$capitalized_name$Value());\n" + "}\n"); + } else { + GOOGLE_LOG(FATAL) << "Can't reach here."; + } +} + +void ImmutableEnumFieldLiteGenerator:: +GenerateDynamicMethodMakeImmutableCode(io::Printer* printer) const { + // noop for scalars +} + +void ImmutableEnumFieldLiteGenerator:: +GenerateParsingCode(io::Printer* printer) const { + if (SupportUnknownEnumValue(descriptor_->file())) { + printer->Print(variables_, + "int rawValue = input.readEnum();\n" + "$set_has_field_bit_message$\n" + "$name$_ = rawValue;\n"); + } else { + printer->Print(variables_, + "int rawValue = input.readEnum();\n" + "$type$ value = $type$.valueOf(rawValue);\n" + "if (value == null) {\n"); + if (PreserveUnknownFields(descriptor_->containing_type())) { + printer->Print(variables_, + " unknownFields.mergeVarintField($number$, rawValue);\n"); + } + printer->Print(variables_, + "} else {\n" + " $set_has_field_bit_message$\n" + " $name$_ = rawValue;\n" + "}\n"); + } +} + +void ImmutableEnumFieldLiteGenerator:: +GenerateParsingDoneCode(io::Printer* printer) const { + // noop for enums +} + +void ImmutableEnumFieldLiteGenerator:: +GenerateSerializationCode(io::Printer* printer) const { + printer->Print(variables_, + "if ($is_field_present_message$) {\n" + " output.writeEnum($number$, $name$_);\n" + "}\n"); +} + +void ImmutableEnumFieldLiteGenerator:: +GenerateSerializedSizeCode(io::Printer* printer) const { + printer->Print(variables_, + "if ($is_field_present_message$) {\n" + " size += com.google.protobuf.CodedOutputStream\n" + " .computeEnumSize($number$, $name$_);\n" + "}\n"); +} + +void ImmutableEnumFieldLiteGenerator:: +GenerateEqualsCode(io::Printer* printer) const { + printer->Print(variables_, + "result = result && $name$_ == other.$name$_;\n"); +} + +void ImmutableEnumFieldLiteGenerator:: +GenerateHashCode(io::Printer* printer) const { + printer->Print(variables_, + "hash = (37 * hash) + $constant_name$;\n" + "hash = (53 * hash) + $name$_;\n"); +} + +string ImmutableEnumFieldLiteGenerator::GetBoxedType() const { + return name_resolver_->GetImmutableClassName(descriptor_->enum_type()); +} + +// =================================================================== + +ImmutableEnumOneofFieldLiteGenerator:: +ImmutableEnumOneofFieldLiteGenerator(const FieldDescriptor* descriptor, + int messageBitIndex, + int builderBitIndex, + Context* context) + : ImmutableEnumFieldLiteGenerator( + descriptor, messageBitIndex, builderBitIndex, context) { + const OneofGeneratorInfo* info = + context->GetOneofGeneratorInfo(descriptor->containing_oneof()); + SetCommonOneofVariables(descriptor, info, &variables_); +} + +ImmutableEnumOneofFieldLiteGenerator:: +~ImmutableEnumOneofFieldLiteGenerator() {} + +void ImmutableEnumOneofFieldLiteGenerator:: +GenerateMembers(io::Printer* printer) const { + PrintExtraFieldInfo(variables_, printer); + if (SupportFieldPresence(descriptor_->file())) { + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public boolean has$capitalized_name$() {\n" + " return $has_oneof_case_message$;\n" + "}\n"); + } + if (SupportUnknownEnumValue(descriptor_->file())) { + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public int get$capitalized_name$Value() {\n" + " if ($has_oneof_case_message$) {\n" + " return (java.lang.Integer) $oneof_name$_;\n" + " }\n" + " return $default_number$;\n" + "}\n"); + } + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public $type$ get$capitalized_name$() {\n" + " if ($has_oneof_case_message$) {\n" + " $type$ result = $type$.valueOf((java.lang.Integer) $oneof_name$_);\n" + " return result == null ? $unknown$ : result;\n" + " }\n" + " return $default$;\n" + "}\n"); + + // Generate private setters for the builder to proxy into. + if (SupportUnknownEnumValue(descriptor_->file())) { + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "private void set$capitalized_name$Value(int value) {\n" + " $set_oneof_case_message$;\n" + " $oneof_name$_ = value;\n" + "}\n"); + } + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "private void set$capitalized_name$($type$ value) {\n" + " if (value == null) {\n" + " throw new NullPointerException();\n" + " }\n" + " $set_oneof_case_message$;\n" + " $oneof_name$_ = value.getNumber();\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "private void clear$capitalized_name$() {\n" + " if ($has_oneof_case_message$) {\n" + " $clear_oneof_case_message$;\n" + " $oneof_name$_ = null;\n" + " }\n" + "}\n"); +} + +void ImmutableEnumOneofFieldLiteGenerator:: +GenerateBuilderMembers(io::Printer* printer) const { + if (SupportFieldPresence(descriptor_->file())) { + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public boolean has$capitalized_name$() {\n" + " return instance.has$capitalized_name$();\n" + "}\n"); + } + if (SupportUnknownEnumValue(descriptor_->file())) { + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public int get$capitalized_name$Value() {\n" + " return instance.get$capitalized_name$Value();\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public Builder set$capitalized_name$Value(int value) {\n" + " copyOnWrite();\n" + " instance.set$capitalized_name$Value(value);\n" + " return this;\n" + "}\n"); + } + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public $type$ get$capitalized_name$() {\n" + " return instance.get$capitalized_name$();\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public Builder set$capitalized_name$($type$ value) {\n" + " copyOnWrite();\n" + " instance.set$capitalized_name$(value);\n" + " return this;\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public Builder clear$capitalized_name$() {\n" + " copyOnWrite();\n" + " instance.clear$capitalized_name$();\n" + " return this;\n" + "}\n"); +} + +void ImmutableEnumOneofFieldLiteGenerator:: +GenerateMergingCode(io::Printer* printer) const { + if (SupportUnknownEnumValue(descriptor_->file())) { + printer->Print(variables_, + "set$capitalized_name$Value(other.get$capitalized_name$Value());\n"); + } else { + printer->Print(variables_, + "set$capitalized_name$(other.get$capitalized_name$());\n"); + } +} + +void ImmutableEnumOneofFieldLiteGenerator:: +GenerateParsingCode(io::Printer* printer) const { + if (SupportUnknownEnumValue(descriptor_->file())) { + printer->Print(variables_, + "int rawValue = input.readEnum();\n" + "$set_oneof_case_message$;\n" + "$oneof_name$_ = rawValue;\n"); + } else { + printer->Print(variables_, + "int rawValue = input.readEnum();\n" + "$type$ value = $type$.valueOf(rawValue);\n" + "if (value == null) {\n"); + if (PreserveUnknownFields(descriptor_->containing_type())) { + printer->Print(variables_, + " unknownFields.mergeVarintField($number$, rawValue);\n"); + } + printer->Print(variables_, + "} else {\n" + " $set_oneof_case_message$;\n" + " $oneof_name$_ = rawValue;\n" + "}\n"); + } +} + +void ImmutableEnumOneofFieldLiteGenerator:: +GenerateSerializationCode(io::Printer* printer) const { + printer->Print(variables_, + "if ($has_oneof_case_message$) {\n" + " output.writeEnum($number$, ((java.lang.Integer) $oneof_name$_));\n" + "}\n"); +} + +void ImmutableEnumOneofFieldLiteGenerator:: +GenerateSerializedSizeCode(io::Printer* printer) const { + printer->Print(variables_, + "if ($has_oneof_case_message$) {\n" + " size += com.google.protobuf.CodedOutputStream\n" + " .computeEnumSize($number$, ((java.lang.Integer) $oneof_name$_));\n" + "}\n"); +} + +void ImmutableEnumOneofFieldLiteGenerator:: +GenerateEqualsCode(io::Printer* printer) const { + if (SupportUnknownEnumValue(descriptor_->file())) { + printer->Print(variables_, + "result = result && get$capitalized_name$Value()\n" + " == other.get$capitalized_name$Value();\n"); + } else { + printer->Print(variables_, + "result = result && get$capitalized_name$()\n" + " .equals(other.get$capitalized_name$());\n"); + } +} + +void ImmutableEnumOneofFieldLiteGenerator:: +GenerateHashCode(io::Printer* printer) const { + if (SupportUnknownEnumValue(descriptor_->file())) { + printer->Print(variables_, + "hash = (37 * hash) + $constant_name$;\n" + "hash = (53 * hash) + get$capitalized_name$Value();\n"); + } else { + printer->Print(variables_, + "hash = (37 * hash) + $constant_name$;\n" + "hash = (53 * hash) + get$capitalized_name$().getNumber();\n"); + } +} + +// =================================================================== + +RepeatedImmutableEnumFieldLiteGenerator:: +RepeatedImmutableEnumFieldLiteGenerator(const FieldDescriptor* descriptor, + int messageBitIndex, + int builderBitIndex, + Context* context) + : descriptor_(descriptor), messageBitIndex_(messageBitIndex), + builderBitIndex_(builderBitIndex), context_(context), + name_resolver_(context->GetNameResolver()) { + SetEnumVariables(descriptor, messageBitIndex, builderBitIndex, + context->GetFieldGeneratorInfo(descriptor), + name_resolver_, &variables_); +} + +RepeatedImmutableEnumFieldLiteGenerator:: +~RepeatedImmutableEnumFieldLiteGenerator() {} + +int RepeatedImmutableEnumFieldLiteGenerator::GetNumBitsForMessage() const { + return 0; +} + +int RepeatedImmutableEnumFieldLiteGenerator::GetNumBitsForBuilder() const { + return 0; +} + +void RepeatedImmutableEnumFieldLiteGenerator:: +GenerateInterfaceMembers(io::Printer* printer) const { + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$java.util.List<$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"); + if (SupportUnknownEnumValue(descriptor_->file())) { + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$java.util.List<java.lang.Integer>\n" + "get$capitalized_name$ValueList();\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$int get$capitalized_name$Value(int index);\n"); + } +} + +void RepeatedImmutableEnumFieldLiteGenerator:: +GenerateMembers(io::Printer* printer) const { + printer->Print(variables_, + // TODO(dweis): Switch to IntList? + "private com.google.protobuf.Internal.ProtobufList<\n" + " java.lang.Integer> $name$_;\n" + "private static final com.google.protobuf.Internal.ListAdapter.Converter<\n" + " java.lang.Integer, $type$> $name$_converter_ =\n" + " new com.google.protobuf.Internal.ListAdapter.Converter<\n" + " java.lang.Integer, $type$>() {\n" + " public $type$ convert(java.lang.Integer from) {\n" + " $type$ result = $type$.valueOf(from);\n" + " return result == null ? $unknown$ : result;\n" + " }\n" + " };\n"); + PrintExtraFieldInfo(variables_, printer); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public java.util.List<$type$> get$capitalized_name$List() {\n" + " return new com.google.protobuf.Internal.ListAdapter<\n" + " java.lang.Integer, $type$>($name$_, $name$_converter_);\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public int get$capitalized_name$Count() {\n" + " return $name$_.size();\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public $type$ get$capitalized_name$(int index) {\n" + " return $name$_converter_.convert($name$_.get(index));\n" + "}\n"); + if (SupportUnknownEnumValue(descriptor_->file())) { + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public java.util.List<java.lang.Integer>\n" + "get$capitalized_name$ValueList() {\n" + " return $name$_;\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public int get$capitalized_name$Value(int index) {\n" + " return $name$_.get(index);\n" + "}\n"); + } + + if (descriptor_->options().packed() && + HasGeneratedMethods(descriptor_->containing_type())) { + printer->Print(variables_, + "private int $name$MemoizedSerializedSize;\n"); + } + + // Generate private setters for the builder to proxy into. + printer->Print(variables_, + "private void ensure$capitalized_name$IsMutable() {\n" + " if (!$is_mutable$) {\n" + " $name$_ = newProtobufList($name$_);\n" + " }\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "private void set$capitalized_name$(\n" + " int index, $type$ value) {\n" + " if (value == null) {\n" + " throw new NullPointerException();\n" + " }\n" + " ensure$capitalized_name$IsMutable();\n" + " $name$_.set(index, value.getNumber());\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "private void add$capitalized_name$($type$ value) {\n" + " if (value == null) {\n" + " throw new NullPointerException();\n" + " }\n" + " ensure$capitalized_name$IsMutable();\n" + " $name$_.add(value.getNumber());\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "private void addAll$capitalized_name$(\n" + " java.lang.Iterable<? extends $type$> values) {\n" + " ensure$capitalized_name$IsMutable();\n" + " for ($type$ value : values) {\n" + " $name$_.add(value.getNumber());\n" + " }\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "private void clear$capitalized_name$() {\n" + " $name$_ = emptyProtobufList();\n" + "}\n"); + + if (SupportUnknownEnumValue(descriptor_->file())) { + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "private void set$capitalized_name$Value(\n" + " int index, int value) {\n" + " ensure$capitalized_name$IsMutable();\n" + " $name$_.set(index, value);\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "private void add$capitalized_name$Value(int value) {\n" + " ensure$capitalized_name$IsMutable();\n" + " $name$_.add(value);\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "private void addAll$capitalized_name$Value(\n" + " java.lang.Iterable<java.lang.Integer> values) {\n" + " ensure$capitalized_name$IsMutable();\n" + " for (int value : values) {\n" + " $name$_.add(value);\n" + " }\n" + "}\n"); + } +} + +void RepeatedImmutableEnumFieldLiteGenerator:: +GenerateBuilderMembers(io::Printer* printer) const { + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public java.util.List<$type$> get$capitalized_name$List() {\n" + " return instance.get$capitalized_name$List();\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public int get$capitalized_name$Count() {\n" + " return instance.get$capitalized_name$Count();\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public $type$ get$capitalized_name$(int index) {\n" + " return instance.get$capitalized_name$(index);\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public Builder set$capitalized_name$(\n" + " int index, $type$ value) {\n" + " copyOnWrite();\n" + " instance.set$capitalized_name$(index, value);\n" + " return this;\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public Builder add$capitalized_name$($type$ value) {\n" + " copyOnWrite();\n" + " instance.add$capitalized_name$(value);\n" + " return this;\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public Builder addAll$capitalized_name$(\n" + " java.lang.Iterable<? extends $type$> values) {\n" + " copyOnWrite();\n" + " instance.addAll$capitalized_name$(values);" + " return this;\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public Builder clear$capitalized_name$() {\n" + " copyOnWrite();\n" + " instance.clear$capitalized_name$();\n" + " return this;\n" + "}\n"); + + if (SupportUnknownEnumValue(descriptor_->file())) { + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public java.util.List<java.lang.Integer>\n" + "get$capitalized_name$ValueList() {\n" + " return java.util.Collections.unmodifiableList(\n" + " instance.get$capitalized_name$ValueList());\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public int get$capitalized_name$Value(int index) {\n" + " return instance.get$capitalized_name$Value(index);\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public Builder set$capitalized_name$Value(\n" + " int index, int value) {\n" + " copyOnWrite();\n" + " instance.set$capitalized_name$Value(index, value);\n" + " return this;\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public Builder add$capitalized_name$Value(int value) {\n" + " instance.add$capitalized_name$Value(value);\n" + " return this;\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print(variables_, + "$deprecation$public Builder addAll$capitalized_name$Value(\n" + " java.lang.Iterable<java.lang.Integer> values) {\n" + " copyOnWrite();\n" + " instance.addAll$capitalized_name$Value(values);\n" + " return this;\n" + "}\n"); + } +} + +void RepeatedImmutableEnumFieldLiteGenerator:: +GenerateFieldBuilderInitializationCode(io::Printer* printer) const { + // noop for enums +} + +void RepeatedImmutableEnumFieldLiteGenerator:: +GenerateInitializationCode(io::Printer* printer) const { + printer->Print(variables_, "$name$_ = emptyProtobufList();\n"); +} + +void RepeatedImmutableEnumFieldLiteGenerator:: +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" + " } else {\n" + " ensure$capitalized_name$IsMutable();\n" + " $name$_.addAll(other.$name$_);\n" + " }\n" + " $on_changed$\n" + "}\n"); +} + +void RepeatedImmutableEnumFieldLiteGenerator:: +GenerateDynamicMethodMakeImmutableCode(io::Printer* printer) const { + printer->Print(variables_, + "$name$_.makeImmutable();\n"); +} + +void RepeatedImmutableEnumFieldLiteGenerator:: +GenerateParsingCode(io::Printer* printer) const { + // Read and store the enum + if (SupportUnknownEnumValue(descriptor_->file())) { + printer->Print(variables_, + "int rawValue = input.readEnum();\n" + "if (!$is_mutable$) {\n" + " $name$_ = newProtobufList();\n" + "}\n" + "$name$_.add(rawValue);\n"); + } else { + printer->Print(variables_, + "int rawValue = input.readEnum();\n" + "$type$ value = $type$.valueOf(rawValue);\n" + "if (value == null) {\n"); + if (PreserveUnknownFields(descriptor_->containing_type())) { + printer->Print(variables_, + " unknownFields.mergeVarintField($number$, rawValue);\n"); + } + printer->Print(variables_, + "} else {\n" + " if (!$is_mutable$) {\n" + " $name$_ = newProtobufList();\n" + " }\n" + " $name$_.add(rawValue);\n" + "}\n"); + } +} + +void RepeatedImmutableEnumFieldLiteGenerator:: +GenerateParsingCodeFromPacked(io::Printer* printer) const { + // Wrap GenerateParsingCode's contents with a while loop. + + printer->Print(variables_, + "int length = input.readRawVarint32();\n" + "int oldLimit = input.pushLimit(length);\n" + "while(input.getBytesUntilLimit() > 0) {\n"); + printer->Indent(); + + GenerateParsingCode(printer); + + printer->Outdent(); + printer->Print(variables_, + "}\n" + "input.popLimit(oldLimit);\n"); +} + +void RepeatedImmutableEnumFieldLiteGenerator:: +GenerateParsingDoneCode(io::Printer* printer) const { + printer->Print(variables_, + "if ($is_mutable$) {\n" + " $name$_.makeImmutable();\n" + "}\n"); +} + +void RepeatedImmutableEnumFieldLiteGenerator:: +GenerateSerializationCode(io::Printer* printer) const { + if (descriptor_->options().packed()) { + printer->Print(variables_, + "if (get$capitalized_name$List().size() > 0) {\n" + " output.writeRawVarint32($tag$);\n" + " output.writeRawVarint32($name$MemoizedSerializedSize);\n" + "}\n" + "for (int i = 0; i < $name$_.size(); i++) {\n" + " output.writeEnumNoTag($name$_.get(i));\n" + "}\n"); + } else { + printer->Print(variables_, + "for (int i = 0; i < $name$_.size(); i++) {\n" + " output.writeEnum($number$, $name$_.get(i));\n" + "}\n"); + } +} + +void RepeatedImmutableEnumFieldLiteGenerator:: +GenerateSerializedSizeCode(io::Printer* printer) const { + printer->Print(variables_, + "{\n" + " int dataSize = 0;\n"); + printer->Indent(); + + printer->Print(variables_, + "for (int i = 0; i < $name$_.size(); i++) {\n" + " dataSize += com.google.protobuf.CodedOutputStream\n" + " .computeEnumSizeNoTag($name$_.get(i));\n" + "}\n"); + printer->Print( + "size += dataSize;\n"); + if (descriptor_->options().packed()) { + printer->Print(variables_, + "if (!get$capitalized_name$List().isEmpty()) {" + " size += $tag_size$;\n" + " size += com.google.protobuf.CodedOutputStream\n" + " .computeRawVarint32Size(dataSize);\n" + "}"); + } else { + printer->Print(variables_, + "size += $tag_size$ * $name$_.size();\n"); + } + + // cache the data size for packed fields. + if (descriptor_->options().packed()) { + printer->Print(variables_, + "$name$MemoizedSerializedSize = dataSize;\n"); + } + + printer->Outdent(); + printer->Print("}\n"); +} + +void RepeatedImmutableEnumFieldLiteGenerator:: +GenerateEqualsCode(io::Printer* printer) const { + printer->Print(variables_, + "result = result && $name$_.equals(other.$name$_);\n"); +} + +void RepeatedImmutableEnumFieldLiteGenerator:: +GenerateHashCode(io::Printer* printer) const { + printer->Print(variables_, + "if (get$capitalized_name$Count() > 0) {\n" + " hash = (37 * hash) + $constant_name$;\n" + " hash = (53 * hash) + $name$_.hashCode();\n" + "}\n"); +} + +string RepeatedImmutableEnumFieldLiteGenerator::GetBoxedType() const { + return name_resolver_->GetImmutableClassName(descriptor_->enum_type()); +} + +} // namespace java +} // namespace compiler +} // namespace protobuf +} // namespace google |