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+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.
+// http://code.google.com/p/protobuf/
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// 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/compiler/java/java_enum_field.h>
+#include <google/protobuf/stubs/common.h>
+#include <google/protobuf/compiler/java/java_helpers.h>
+#include <google/protobuf/io/printer.h>
+#include <google/protobuf/stubs/strutil.h>
+
+namespace google {
+namespace protobuf {
+namespace compiler {
+namespace java {
+
+namespace {
+
+// TODO(kenton): Factor out a "SetCommonFieldVariables()" to get rid of
+// repeat code between this and the other field types.
+void SetEnumVariables(const FieldDescriptor* descriptor,
+ map<string, string>* variables) {
+ const EnumValueDescriptor* default_value;
+ default_value = descriptor->default_value_enum();
+
+ string type = ClassName(descriptor->enum_type());
+
+ (*variables)["name"] =
+ UnderscoresToCamelCase(descriptor);
+ (*variables)["capitalized_name"] =
+ UnderscoresToCapitalizedCamelCase(descriptor);
+ (*variables)["number"] = SimpleItoa(descriptor->number());
+ (*variables)["type"] = type;
+ (*variables)["default"] = type + "." + default_value->name();
+}
+
+} // namespace
+
+// ===================================================================
+
+EnumFieldGenerator::
+EnumFieldGenerator(const FieldDescriptor* descriptor)
+ : descriptor_(descriptor) {
+ SetEnumVariables(descriptor, &variables_);
+}
+
+EnumFieldGenerator::~EnumFieldGenerator() {}
+
+void EnumFieldGenerator::
+GenerateMembers(io::Printer* printer) const {
+ printer->Print(variables_,
+ "private boolean has$capitalized_name$;\n"
+ "private $type$ $name$_ = $default$;\n"
+ "public boolean has$capitalized_name$() { return has$capitalized_name$; }\n"
+ "public $type$ get$capitalized_name$() { return $name$_; }\n");
+}
+
+void EnumFieldGenerator::
+GenerateBuilderMembers(io::Printer* printer) const {
+ printer->Print(variables_,
+ "public boolean has$capitalized_name$() {\n"
+ " return result.has$capitalized_name$();\n"
+ "}\n"
+ "public $type$ get$capitalized_name$() {\n"
+ " return result.get$capitalized_name$();\n"
+ "}\n"
+ "public Builder set$capitalized_name$($type$ value) {\n"
+ " result.has$capitalized_name$ = true;\n"
+ " result.$name$_ = value;\n"
+ " return this;\n"
+ "}\n"
+ "public Builder clear$capitalized_name$() {\n"
+ " result.has$capitalized_name$ = false;\n"
+ " result.$name$_ = $default$;\n"
+ " return this;\n"
+ "}\n");
+}
+
+void EnumFieldGenerator::
+GenerateMergingCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "if (other.has$capitalized_name$()) {\n"
+ " set$capitalized_name$(other.get$capitalized_name$());\n"
+ "}\n");
+}
+
+void EnumFieldGenerator::
+GenerateBuildingCode(io::Printer* printer) const {
+ // Nothing to do here for enum types.
+}
+
+void EnumFieldGenerator::
+GenerateParsingCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "int rawValue = input.readEnum();\n"
+ "$type$ value = $type$.valueOf(rawValue);\n"
+ "if (value == null) {\n"
+ " unknownFields.mergeVarintField($number$, rawValue);\n"
+ "} else {\n"
+ " set$capitalized_name$(value);\n"
+ "}\n");
+}
+
+void EnumFieldGenerator::
+GenerateSerializationCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "if (has$capitalized_name$()) {\n"
+ " output.writeEnum($number$, get$capitalized_name$().getNumber());\n"
+ "}\n");
+}
+
+void EnumFieldGenerator::
+GenerateSerializedSizeCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "if (has$capitalized_name$()) {\n"
+ " size += com.google.protobuf.CodedOutputStream\n"
+ " .computeEnumSize($number$, get$capitalized_name$().getNumber());\n"
+ "}\n");
+}
+
+string EnumFieldGenerator::GetBoxedType() const {
+ return ClassName(descriptor_->enum_type());
+}
+
+// ===================================================================
+
+RepeatedEnumFieldGenerator::
+RepeatedEnumFieldGenerator(const FieldDescriptor* descriptor)
+ : descriptor_(descriptor) {
+ SetEnumVariables(descriptor, &variables_);
+}
+
+RepeatedEnumFieldGenerator::~RepeatedEnumFieldGenerator() {}
+
+void RepeatedEnumFieldGenerator::
+GenerateMembers(io::Printer* printer) const {
+ printer->Print(variables_,
+ "private java.util.List<$type$> $name$_ =\n"
+ " java.util.Collections.emptyList();\n"
+ "public java.util.List<$type$> get$capitalized_name$List() {\n"
+ " return $name$_;\n" // note: unmodifiable list
+ "}\n"
+ "public int get$capitalized_name$Count() { return $name$_.size(); }\n"
+ "public $type$ get$capitalized_name$(int index) {\n"
+ " return $name$_.get(index);\n"
+ "}\n");
+}
+
+void RepeatedEnumFieldGenerator::
+GenerateBuilderMembers(io::Printer* printer) const {
+ 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.
+ "public java.util.List<$type$> get$capitalized_name$List() {\n"
+ " return java.util.Collections.unmodifiableList(result.$name$_);\n"
+ "}\n"
+ "public int get$capitalized_name$Count() {\n"
+ " return result.get$capitalized_name$Count();\n"
+ "}\n"
+ "public $type$ get$capitalized_name$(int index) {\n"
+ " return result.get$capitalized_name$(index);\n"
+ "}\n"
+ "public Builder set$capitalized_name$(int index, $type$ value) {\n"
+ " result.$name$_.set(index, value);\n"
+ " return this;\n"
+ "}\n"
+ "public Builder add$capitalized_name$($type$ value) {\n"
+ " if (result.$name$_.isEmpty()) {\n"
+ " result.$name$_ = new java.util.ArrayList<$type$>();\n"
+ " }\n"
+ " result.$name$_.add(value);\n"
+ " return this;\n"
+ "}\n"
+ "public Builder addAll$capitalized_name$(\n"
+ " java.lang.Iterable<? extends $type$> values) {\n"
+ " if (result.$name$_.isEmpty()) {\n"
+ " result.$name$_ = new java.util.ArrayList<$type$>();\n"
+ " }\n"
+ " super.addAll(values, result.$name$_);\n"
+ " return this;\n"
+ "}\n"
+ "public Builder clear$capitalized_name$() {\n"
+ " result.$name$_ = java.util.Collections.emptyList();\n"
+ " return this;\n"
+ "}\n");
+}
+
+void RepeatedEnumFieldGenerator::
+GenerateMergingCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "if (!other.$name$_.isEmpty()) {\n"
+ " if (result.$name$_.isEmpty()) {\n"
+ " result.$name$_ = new java.util.ArrayList<$type$>();\n"
+ " }\n"
+ " result.$name$_.addAll(other.$name$_);\n"
+ "}\n");
+}
+
+void RepeatedEnumFieldGenerator::
+GenerateBuildingCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "if (result.$name$_ != java.util.Collections.EMPTY_LIST) {\n"
+ " result.$name$_ =\n"
+ " java.util.Collections.unmodifiableList(result.$name$_);\n"
+ "}\n");
+}
+
+void RepeatedEnumFieldGenerator::
+GenerateParsingCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "int rawValue = input.readEnum();\n"
+ "$type$ value = $type$.valueOf(rawValue);\n"
+ "if (value == null) {\n"
+ " unknownFields.mergeVarintField($number$, rawValue);\n"
+ "} else {\n"
+ " add$capitalized_name$(value);\n"
+ "}\n");
+}
+
+void RepeatedEnumFieldGenerator::
+GenerateSerializationCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "for ($type$ element : get$capitalized_name$List()) {\n"
+ " output.writeEnum($number$, element.getNumber());\n"
+ "}\n");
+}
+
+void RepeatedEnumFieldGenerator::
+GenerateSerializedSizeCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "for ($type$ element : get$capitalized_name$List()) {\n"
+ " size += com.google.protobuf.CodedOutputStream\n"
+ " .computeEnumSize($number$, element.getNumber());\n"
+ "}\n");
+}
+
+string RepeatedEnumFieldGenerator::GetBoxedType() const {
+ return ClassName(descriptor_->enum_type());
+}
+
+} // namespace java
+} // namespace compiler
+} // namespace protobuf
+} // namespace google
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-06 22:50:44 +0000