diff options
Diffstat (limited to 'third_party/protobuf/src/google/protobuf/compiler/java/java_enum_field.cc')
| -rw-r--r-- | third_party/protobuf/src/google/protobuf/compiler/java/java_enum_field.cc | 969 |
1 files changed, 0 insertions, 969 deletions
diff --git a/third_party/protobuf/src/google/protobuf/compiler/java/java_enum_field.cc b/third_party/protobuf/src/google/protobuf/compiler/java/java_enum_field.cc deleted file mode 100644 index 558da968ee..0000000000 --- a/third_party/protobuf/src/google/protobuf/compiler/java/java_enum_field.cc +++ /dev/null @@ -1,969 +0,0 @@ -// 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/logging.h> -#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.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()); - if (descriptor->is_packed()) { - (*variables)["tag"] = SimpleItoa(internal::WireFormatLite::MakeTag( - descriptor->number(), - internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED)); - } else { - (*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); - (*variables)["get_has_field_bit_builder"] = GenerateGetBit(builderBitIndex); - - // Note that these have a trailing ";". - (*variables)["set_has_field_bit_message"] = - GenerateSetBit(messageBitIndex) + ";"; - (*variables)["set_has_field_bit_builder"] = - GenerateSetBit(builderBitIndex) + ";"; - (*variables)["clear_has_field_bit_builder"] = - GenerateClearBit(builderBitIndex) + ";"; - - (*variables)["is_field_present_message"] = GenerateGetBit(messageBitIndex); - } else { - (*variables)["set_has_field_bit_message"] = ""; - (*variables)["set_has_field_bit_builder"] = ""; - (*variables)["clear_has_field_bit_builder"] = ""; - - (*variables)["is_field_present_message"] = - (*variables)["name"] + "_ != " + - (*variables)["default"] + ".getNumber()"; - } - - // For repated builders, one bit is used for whether the array is immutable. - (*variables)["get_mutable_bit_builder"] = GenerateGetBit(builderBitIndex); - (*variables)["set_mutable_bit_builder"] = GenerateSetBit(builderBitIndex); - (*variables)["clear_mutable_bit_builder"] = GenerateClearBit(builderBitIndex); - - // For repeated fields, one bit is used for whether the array is immutable - // in the parsing constructor. - (*variables)["get_mutable_bit_parser"] = - GenerateGetBitMutableLocal(builderBitIndex); - (*variables)["set_mutable_bit_parser"] = - GenerateSetBitMutableLocal(builderBitIndex); - - (*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 - -// =================================================================== - -ImmutableEnumFieldGenerator:: -ImmutableEnumFieldGenerator(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_); -} - -ImmutableEnumFieldGenerator::~ImmutableEnumFieldGenerator() {} - -int ImmutableEnumFieldGenerator::GetNumBitsForMessage() const { - return 1; -} - -int ImmutableEnumFieldGenerator::GetNumBitsForBuilder() const { - return 1; -} - -void ImmutableEnumFieldGenerator:: -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 ImmutableEnumFieldGenerator:: -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"); -} - -void ImmutableEnumFieldGenerator:: -GenerateBuilderMembers(io::Printer* printer) const { - printer->Print(variables_, - "private int $name$_ = $default_number$;\n"); - if (SupportFieldPresence(descriptor_->file())) { - WriteFieldDocComment(printer, descriptor_); - printer->Print(variables_, - "$deprecation$public boolean has$capitalized_name$() {\n" - " return $get_has_field_bit_builder$;\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 Builder set$capitalized_name$Value(int value) {\n" - " $name$_ = value;\n" - " $on_changed$\n" - " return this;\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"); - WriteFieldDocComment(printer, descriptor_); - printer->Print(variables_, - "$deprecation$public Builder set$capitalized_name$($type$ value) {\n" - " if (value == null) {\n" - " throw new NullPointerException();\n" - " }\n" - " $set_has_field_bit_builder$\n" - " $name$_ = value.getNumber();\n" - " $on_changed$\n" - " return this;\n" - "}\n"); - WriteFieldDocComment(printer, descriptor_); - printer->Print(variables_, - "$deprecation$public Builder clear$capitalized_name$() {\n" - " $clear_has_field_bit_builder$\n" - " $name$_ = $default_number$;\n" - " $on_changed$\n" - " return this;\n" - "}\n"); -} - -void ImmutableEnumFieldGenerator:: -GenerateFieldBuilderInitializationCode(io::Printer* printer) const { - // noop for enums -} - -void ImmutableEnumFieldGenerator:: -GenerateInitializationCode(io::Printer* printer) const { - printer->Print(variables_, "$name$_ = $default_number$;\n"); -} - -void ImmutableEnumFieldGenerator:: -GenerateBuilderClearCode(io::Printer* printer) const { - printer->Print(variables_, - "$name$_ = $default_number$;\n" - "$clear_has_field_bit_builder$\n"); -} - -void ImmutableEnumFieldGenerator:: -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 ImmutableEnumFieldGenerator:: -GenerateBuildingCode(io::Printer* printer) const { - if (SupportFieldPresence(descriptor_->file())) { - printer->Print(variables_, - "if ($get_has_field_bit_from_local$) {\n" - " $set_has_field_bit_to_local$;\n" - "}\n"); - } - printer->Print(variables_, - "result.$name$_ = $name$_;\n"); -} - -void ImmutableEnumFieldGenerator:: -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 ImmutableEnumFieldGenerator:: -GenerateParsingDoneCode(io::Printer* printer) const { - // noop for enums -} - -void ImmutableEnumFieldGenerator:: -GenerateSerializationCode(io::Printer* printer) const { - printer->Print(variables_, - "if ($is_field_present_message$) {\n" - " output.writeEnum($number$, $name$_);\n" - "}\n"); -} - -void ImmutableEnumFieldGenerator:: -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 ImmutableEnumFieldGenerator:: -GenerateEqualsCode(io::Printer* printer) const { - printer->Print(variables_, - "result = result && $name$_ == other.$name$_;\n"); -} - -void ImmutableEnumFieldGenerator:: -GenerateHashCode(io::Printer* printer) const { - printer->Print(variables_, - "hash = (37 * hash) + $constant_name$;\n" - "hash = (53 * hash) + $name$_;\n"); -} - -string ImmutableEnumFieldGenerator::GetBoxedType() const { - return name_resolver_->GetImmutableClassName(descriptor_->enum_type()); -} - -// =================================================================== - -ImmutableEnumOneofFieldGenerator:: -ImmutableEnumOneofFieldGenerator(const FieldDescriptor* descriptor, - int messageBitIndex, - int builderBitIndex, - Context* context) - : ImmutableEnumFieldGenerator( - descriptor, messageBitIndex, builderBitIndex, context) { - const OneofGeneratorInfo* info = - context->GetOneofGeneratorInfo(descriptor->containing_oneof()); - SetCommonOneofVariables(descriptor, info, &variables_); -} - -ImmutableEnumOneofFieldGenerator:: -~ImmutableEnumOneofFieldGenerator() {} - -void ImmutableEnumOneofFieldGenerator:: -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"); -} - -void ImmutableEnumOneofFieldGenerator:: -GenerateBuilderMembers(io::Printer* printer) const { - 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$_).intValue();\n" - " }\n" - " return $default_number$;\n" - "}\n"); - WriteFieldDocComment(printer, descriptor_); - printer->Print(variables_, - "$deprecation$public Builder set$capitalized_name$Value(int value) {\n" - " $set_oneof_case_message$;\n" - " $oneof_name$_ = value;\n" - " $on_changed$\n" - " return this;\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"); - WriteFieldDocComment(printer, descriptor_); - printer->Print(variables_, - "$deprecation$public Builder 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" - " $on_changed$\n" - " return this;\n" - "}\n"); - 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"); -} - -void ImmutableEnumOneofFieldGenerator:: -GenerateBuildingCode(io::Printer* printer) const { - printer->Print(variables_, - "if ($has_oneof_case_message$) {\n" - " result.$oneof_name$_ = $oneof_name$_;\n" - "}\n"); -} - -void ImmutableEnumOneofFieldGenerator:: -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 ImmutableEnumOneofFieldGenerator:: -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 ImmutableEnumOneofFieldGenerator:: -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 ImmutableEnumOneofFieldGenerator:: -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 ImmutableEnumOneofFieldGenerator:: -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 ImmutableEnumOneofFieldGenerator:: -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"); - } -} - -// =================================================================== - -RepeatedImmutableEnumFieldGenerator:: -RepeatedImmutableEnumFieldGenerator(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_); -} - -RepeatedImmutableEnumFieldGenerator::~RepeatedImmutableEnumFieldGenerator() {} - -int RepeatedImmutableEnumFieldGenerator::GetNumBitsForMessage() const { - return 0; -} - -int RepeatedImmutableEnumFieldGenerator::GetNumBitsForBuilder() const { - return 1; -} - -void RepeatedImmutableEnumFieldGenerator:: -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 RepeatedImmutableEnumFieldGenerator:: -GenerateMembers(io::Printer* printer) const { - printer->Print(variables_, - "private java.util.List<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_->is_packed() && - HasGeneratedMethods(descriptor_->containing_type())) { - printer->Print(variables_, - "private int $name$MemoizedSerializedSize;\n"); - } -} - -void RepeatedImmutableEnumFieldGenerator:: -GenerateBuilderMembers(io::Printer* printer) const { - printer->Print(variables_, - // One field is the list and the other 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. - "private java.util.List<java.lang.Integer> $name$_ =\n" - " java.util.Collections.emptyList();\n" - - "private void ensure$capitalized_name$IsMutable() {\n" - " if (!$get_mutable_bit_builder$) {\n" - " $name$_ = new java.util.ArrayList<java.lang.Integer>($name$_);\n" - " $set_mutable_bit_builder$;\n" - " }\n" - "}\n"); - - WriteFieldDocComment(printer, descriptor_); - printer->Print(variables_, - // 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. - "$deprecation$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"); - WriteFieldDocComment(printer, descriptor_); - printer->Print(variables_, - "$deprecation$public Builder 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" - " $on_changed$\n" - " return this;\n" - "}\n"); - WriteFieldDocComment(printer, descriptor_); - printer->Print(variables_, - "$deprecation$public Builder 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" - " $on_changed$\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" - " ensure$capitalized_name$IsMutable();\n" - " for ($type$ value : values) {\n" - " $name$_.add(value.getNumber());\n" - " }\n" - " $on_changed$\n" - " return this;\n" - "}\n"); - WriteFieldDocComment(printer, descriptor_); - printer->Print(variables_, - "$deprecation$public Builder clear$capitalized_name$() {\n" - " $name$_ = java.util.Collections.emptyList();\n" - " $clear_mutable_bit_builder$;\n" - " $on_changed$\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($name$_);\n" - "}\n"); - WriteFieldDocComment(printer, descriptor_); - printer->Print(variables_, - "$deprecation$public int get$capitalized_name$Value(int index) {\n" - " return $name$_.get(index);\n" - "}\n"); - WriteFieldDocComment(printer, descriptor_); - printer->Print(variables_, - "$deprecation$public Builder set$capitalized_name$Value(\n" - " int index, int value) {\n" - " ensure$capitalized_name$IsMutable();\n" - " $name$_.set(index, value);\n" - " $on_changed$\n" - " return this;\n" - "}\n"); - WriteFieldDocComment(printer, descriptor_); - printer->Print(variables_, - "$deprecation$public Builder add$capitalized_name$Value(int value) {\n" - " ensure$capitalized_name$IsMutable();\n" - " $name$_.add(value);\n" - " $on_changed$\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" - " ensure$capitalized_name$IsMutable();\n" - " for (int value : values) {\n" - " $name$_.add(value);\n" - " }\n" - " $on_changed$\n" - " return this;\n" - "}\n"); - } -} - -void RepeatedImmutableEnumFieldGenerator:: -GenerateFieldBuilderInitializationCode(io::Printer* printer) const { - // noop for enums -} - -void RepeatedImmutableEnumFieldGenerator:: -GenerateInitializationCode(io::Printer* printer) const { - printer->Print(variables_, "$name$_ = java.util.Collections.emptyList();\n"); -} - -void RepeatedImmutableEnumFieldGenerator:: -GenerateBuilderClearCode(io::Printer* printer) const { - printer->Print(variables_, - "$name$_ = java.util.Collections.emptyList();\n" - "$clear_mutable_bit_builder$;\n"); -} - -void RepeatedImmutableEnumFieldGenerator:: -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 RepeatedImmutableEnumFieldGenerator:: -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 RepeatedImmutableEnumFieldGenerator:: -GenerateParsingCode(io::Printer* printer) const { - // Read and store the enum - if (SupportUnknownEnumValue(descriptor_->file())) { - printer->Print(variables_, - "int rawValue = input.readEnum();\n" - "if (!$get_mutable_bit_parser$) {\n" - " $name$_ = new java.util.ArrayList<java.lang.Integer>();\n" - " $set_mutable_bit_parser$;\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 (!$get_mutable_bit_parser$) {\n" - " $name$_ = new java.util.ArrayList<java.lang.Integer>();\n" - " $set_mutable_bit_parser$;\n" - " }\n" - " $name$_.add(rawValue);\n" - "}\n"); - } -} - -void RepeatedImmutableEnumFieldGenerator:: -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 RepeatedImmutableEnumFieldGenerator:: -GenerateParsingDoneCode(io::Printer* printer) const { - printer->Print(variables_, - "if ($get_mutable_bit_parser$) {\n" - " $name$_ = java.util.Collections.unmodifiableList($name$_);\n" - "}\n"); -} - -void RepeatedImmutableEnumFieldGenerator:: -GenerateSerializationCode(io::Printer* printer) const { - if (descriptor_->is_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 RepeatedImmutableEnumFieldGenerator:: -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_->is_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_->is_packed()) { - printer->Print(variables_, - "$name$MemoizedSerializedSize = dataSize;\n"); - } - - printer->Outdent(); - printer->Print("}\n"); -} - -void RepeatedImmutableEnumFieldGenerator:: -GenerateEqualsCode(io::Printer* printer) const { - printer->Print(variables_, - "result = result && $name$_.equals(other.$name$_);\n"); -} - -void RepeatedImmutableEnumFieldGenerator:: -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 RepeatedImmutableEnumFieldGenerator::GetBoxedType() const { - return name_resolver_->GetImmutableClassName(descriptor_->enum_type()); -} - -} // namespace java -} // namespace compiler -} // namespace protobuf -} // namespace google |