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+// 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/compiler/java/java_context.h>
+#include <google/protobuf/compiler/java/java_enum_lite.h>
+#include <google/protobuf/compiler/java/java_doc_comment.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/descriptor.pb.h>
+#include <google/protobuf/stubs/strutil.h>
+
+namespace google {
+namespace protobuf {
+namespace compiler {
+namespace java {
+
+namespace {
+bool EnumHasCustomOptions(const EnumDescriptor* descriptor) {
+ if (descriptor->options().unknown_fields().field_count() > 0) return true;
+ for (int i = 0; i < descriptor->value_count(); ++i) {
+ const EnumValueDescriptor* value = descriptor->value(i);
+ if (value->options().unknown_fields().field_count() > 0) return true;
+ }
+ return false;
+}
+} // namespace
+
+EnumLiteGenerator::EnumLiteGenerator(const EnumDescriptor* descriptor,
+ bool immutable_api, Context* context)
+ : descriptor_(descriptor),
+ immutable_api_(immutable_api),
+ context_(context),
+ name_resolver_(context->GetNameResolver()) {
+ for (int i = 0; i < descriptor_->value_count(); i++) {
+ const EnumValueDescriptor* value = descriptor_->value(i);
+ const EnumValueDescriptor* canonical_value =
+ descriptor_->FindValueByNumber(value->number());
+
+ if (value == canonical_value) {
+ canonical_values_.push_back(value);
+ } else {
+ Alias alias;
+ alias.value = value;
+ alias.canonical_value = canonical_value;
+ aliases_.push_back(alias);
+ }
+ }
+}
+
+EnumLiteGenerator::~EnumLiteGenerator() {}
+
+void EnumLiteGenerator::Generate(io::Printer* printer) {
+ WriteEnumDocComment(printer, descriptor_);
+ MaybePrintGeneratedAnnotation(context_, printer, descriptor_, immutable_api_);
+ printer->Print(
+ "public enum $classname$\n"
+ " implements com.google.protobuf.Internal.EnumLite {\n",
+ "classname", descriptor_->name());
+ printer->Annotate("classname", descriptor_);
+ printer->Indent();
+
+ for (int i = 0; i < canonical_values_.size(); i++) {
+ map<string, string> vars;
+ vars["name"] = canonical_values_[i]->name();
+ vars["number"] = SimpleItoa(canonical_values_[i]->number());
+ WriteEnumValueDocComment(printer, canonical_values_[i]);
+ if (canonical_values_[i]->options().deprecated()) {
+ printer->Print("@java.lang.Deprecated\n");
+ }
+ printer->Print(vars,
+ "$name$($number$),\n");
+ }
+
+ if (SupportUnknownEnumValue(descriptor_->file())) {
+ printer->Print("UNRECOGNIZED(-1),\n");
+ }
+
+ printer->Print(
+ ";\n"
+ "\n");
+
+ // -----------------------------------------------------------------
+
+ for (int i = 0; i < aliases_.size(); i++) {
+ map<string, string> vars;
+ vars["classname"] = descriptor_->name();
+ vars["name"] = aliases_[i].value->name();
+ vars["canonical_name"] = aliases_[i].canonical_value->name();
+ WriteEnumValueDocComment(printer, aliases_[i].value);
+ printer->Print(vars,
+ "public static final $classname$ $name$ = $canonical_name$;\n");
+ }
+
+ for (int i = 0; i < descriptor_->value_count(); i++) {
+ map<string, string> vars;
+ vars["name"] = descriptor_->value(i)->name();
+ vars["number"] = SimpleItoa(descriptor_->value(i)->number());
+ WriteEnumValueDocComment(printer, descriptor_->value(i));
+ printer->Print(vars,
+ "public static final int $name$_VALUE = $number$;\n");
+ }
+ printer->Print("\n");
+
+ // -----------------------------------------------------------------
+
+ printer->Print(
+ "\n"
+ "public final int getNumber() {\n"
+ " return value;\n"
+ "}\n"
+ "\n"
+ "/**\n"
+ " * @deprecated Use {@link #forNumber(int)} instead.\n"
+ " */\n"
+ "@java.lang.Deprecated\n"
+ "public static $classname$ valueOf(int value) {\n"
+ " return forNumber(value);\n"
+ "}\n"
+ "\n"
+ "public static $classname$ forNumber(int value) {\n"
+ " switch (value) {\n",
+ "classname", descriptor_->name());
+ printer->Indent();
+ printer->Indent();
+
+ for (int i = 0; i < canonical_values_.size(); i++) {
+ printer->Print(
+ "case $number$: return $name$;\n",
+ "name", canonical_values_[i]->name(),
+ "number", SimpleItoa(canonical_values_[i]->number()));
+ }
+
+ printer->Outdent();
+ printer->Outdent();
+ printer->Print(
+ " default: return null;\n"
+ " }\n"
+ "}\n"
+ "\n"
+ "public static com.google.protobuf.Internal.EnumLiteMap<$classname$>\n"
+ " internalGetValueMap() {\n"
+ " return internalValueMap;\n"
+ "}\n"
+ "private static final com.google.protobuf.Internal.EnumLiteMap<\n"
+ " $classname$> internalValueMap =\n"
+ " new com.google.protobuf.Internal.EnumLiteMap<$classname$>() {\n"
+ " public $classname$ findValueByNumber(int number) {\n"
+ " return $classname$.forNumber(number);\n"
+ " }\n"
+ " };\n"
+ "\n",
+ "classname", descriptor_->name());
+
+ printer->Print(
+ "private final int value;\n\n"
+ "private $classname$(int value) {\n",
+ "classname", descriptor_->name());
+ printer->Print(
+ " this.value = value;\n"
+ "}\n");
+
+ printer->Print(
+ "\n"
+ "// @@protoc_insertion_point(enum_scope:$full_name$)\n",
+ "full_name", descriptor_->full_name());
+
+ printer->Outdent();
+ printer->Print("}\n\n");
+}
+
+bool EnumLiteGenerator::CanUseEnumValues() {
+ if (canonical_values_.size() != descriptor_->value_count()) {
+ return false;
+ }
+ for (int i = 0; i < descriptor_->value_count(); i++) {
+ if (descriptor_->value(i)->name() != canonical_values_[i]->name()) {
+ return false;
+ }
+ }
+ return true;
+}
+
+} // namespace java
+} // namespace compiler
+} // namespace protobuf
+} // namespace google