// 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 <thirdparty/protobuf/compiler/java/java_context.h>
#include <thirdparty/protobuf/compiler/java/java_doc_comment.h>
#include <thirdparty/protobuf/compiler/java/java_enum_lite.h>
#include <thirdparty/protobuf/compiler/java/java_helpers.h>
#include <thirdparty/protobuf/compiler/java/java_name_resolver.h>
#include <thirdparty/protobuf/descriptor.pb.h>
#include <thirdparty/protobuf/io/printer.h>
#include <thirdparty/protobuf/stubs/strutil.h>
#include <thirdparty/protobuf/stubs/map_util.h>
namespace google {
namespace protobuf {
namespace compiler {
namespace java {
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(
"$deprecation$public enum $classname$\n"
" implements com.google.protobuf.Internal.EnumLite {\n",
"classname", descriptor_->name(), "deprecation",
descriptor_->options().deprecated() ? "@java.lang.Deprecated " : "");
printer->Annotate("classname", descriptor_);
printer->Indent();
for (int i = 0; i < canonical_values_.size(); i++) {
std::map<std::string, std::string> vars;
vars["name"] = canonical_values_[i]->name();
vars["number"] = StrCat(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");
printer->Annotate("name", canonical_values_[i]);
}
if (SupportUnknownEnumValue(descriptor_->file())) {
printer->Print("${$UNRECOGNIZED$}$(-1),\n", "{", "", "}", "");
printer->Annotate("{", "}", descriptor_);
}
printer->Print(
";\n"
"\n");
// -----------------------------------------------------------------
for (int i = 0; i < aliases_.size(); i++) {
std::map<std::string, std::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");
printer->Annotate("name", aliases_[i].value);
}
for (int i = 0; i < descriptor_->value_count(); i++) {
std::map<std::string, std::string> vars;
vars["name"] = descriptor_->value(i)->name();
vars["number"] = StrCat(descriptor_->value(i)->number());
vars["{"] = "";
vars["}"] = "";
vars["deprecation"] = descriptor_->value(i)->options().deprecated()
? "@java.lang.Deprecated "
: "";
WriteEnumValueDocComment(printer, descriptor_->value(i));
printer->Print(vars,
"$deprecation$public static final int ${$$name$_VALUE$}$ = "
"$number$;\n");
printer->Annotate("{", "}", descriptor_->value(i));
}
printer->Print("\n");
// -----------------------------------------------------------------
printer->Print(
"\n"
"@java.lang.Override\n"
"public final int getNumber() {\n");
if (SupportUnknownEnumValue(descriptor_->file())) {
printer->Print(
" if (this == UNRECOGNIZED) {\n"
" throw new java.lang.IllegalArgumentException(\n"
" \"Can't get the number of an unknown enum value.\");\n"
" }\n");
}
printer->Print(
" return value;\n"
"}\n"
"\n"
"/**\n"
" * @param value The number of the enum to look for.\n"
" * @return The enum associated with the given number.\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",
StrCat(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"
" @java.lang.Override\n"
" public $classname$ findValueByNumber(int number) {\n"
" return $classname$.forNumber(number);\n"
" }\n"
" };\n"
"\n"
"public static com.google.protobuf.Internal.EnumVerifier \n"
" internalGetVerifier() {\n"
" return $classname$Verifier.INSTANCE;\n"
"}\n"
"\n"
"private static final class $classname$Verifier implements \n"
" com.google.protobuf.Internal.EnumVerifier { \n"
" static final com.google.protobuf.Internal.EnumVerifier "
" INSTANCE = new $classname$Verifier();\n"
" @java.lang.Override\n"
" public boolean isInRange(int number) {\n"
" return $classname$.forNumber(number) != null;\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");
}
} // namespace java
} // namespace compiler
} // namespace protobuf
} // namespace google