mirror of
https://github.com/Mauler125/r5sdk.git
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392 lines
14 KiB
C++
392 lines
14 KiB
C++
// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// https://developers.google.com/protocol-buffers/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Author: kenton@google.com (Kenton Varda)
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// Based on original Protocol Buffers design by
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// Sanjay Ghemawat, Jeff Dean, and others.
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#include <map>
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#include <string>
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#include <thirdparty/protobuf/compiler/java/java_context.h>
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#include <thirdparty/protobuf/compiler/java/java_doc_comment.h>
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#include <thirdparty/protobuf/compiler/java/java_enum.h>
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#include <thirdparty/protobuf/compiler/java/java_helpers.h>
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#include <thirdparty/protobuf/compiler/java/java_name_resolver.h>
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#include <thirdparty/protobuf/descriptor.pb.h>
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#include <thirdparty/protobuf/io/printer.h>
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#include <thirdparty/protobuf/stubs/strutil.h>
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namespace google {
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namespace protobuf {
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namespace compiler {
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namespace java {
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EnumGenerator::EnumGenerator(const EnumDescriptor* descriptor,
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bool immutable_api, Context* context)
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: descriptor_(descriptor),
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immutable_api_(immutable_api),
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context_(context),
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name_resolver_(context->GetNameResolver()) {
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for (int i = 0; i < descriptor_->value_count(); i++) {
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const EnumValueDescriptor* value = descriptor_->value(i);
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const EnumValueDescriptor* canonical_value =
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descriptor_->FindValueByNumber(value->number());
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if (value == canonical_value) {
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canonical_values_.push_back(value);
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} else {
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Alias alias;
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alias.value = value;
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alias.canonical_value = canonical_value;
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aliases_.push_back(alias);
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}
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}
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}
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EnumGenerator::~EnumGenerator() {}
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void EnumGenerator::Generate(io::Printer* printer) {
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WriteEnumDocComment(printer, descriptor_);
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MaybePrintGeneratedAnnotation(context_, printer, descriptor_, immutable_api_);
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printer->Print(
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"$deprecation$public enum $classname$\n"
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" implements com.google.protobuf.ProtocolMessageEnum {\n",
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"classname", descriptor_->name(), "deprecation",
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descriptor_->options().deprecated() ? "@java.lang.Deprecated " : "");
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printer->Annotate("classname", descriptor_);
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printer->Indent();
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bool ordinal_is_index = true;
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std::string index_text = "ordinal()";
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for (int i = 0; i < canonical_values_.size(); i++) {
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if (canonical_values_[i]->index() != i) {
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ordinal_is_index = false;
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index_text = "index";
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break;
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}
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}
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for (int i = 0; i < canonical_values_.size(); i++) {
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std::map<std::string, std::string> vars;
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vars["name"] = canonical_values_[i]->name();
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vars["index"] = StrCat(canonical_values_[i]->index());
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vars["number"] = StrCat(canonical_values_[i]->number());
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WriteEnumValueDocComment(printer, canonical_values_[i]);
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if (canonical_values_[i]->options().deprecated()) {
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printer->Print("@java.lang.Deprecated\n");
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}
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if (ordinal_is_index) {
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printer->Print(vars, "$name$($number$),\n");
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} else {
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printer->Print(vars, "$name$($index$, $number$),\n");
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}
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printer->Annotate("name", canonical_values_[i]);
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}
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if (SupportUnknownEnumValue(descriptor_->file())) {
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if (ordinal_is_index) {
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printer->Print("${$UNRECOGNIZED$}$(-1),\n", "{", "", "}", "");
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} else {
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printer->Print("${$UNRECOGNIZED$}$(-1, -1),\n", "{", "", "}", "");
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}
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printer->Annotate("{", "}", descriptor_);
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}
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printer->Print(
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";\n"
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"\n");
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// -----------------------------------------------------------------
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for (int i = 0; i < aliases_.size(); i++) {
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std::map<std::string, std::string> vars;
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vars["classname"] = descriptor_->name();
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vars["name"] = aliases_[i].value->name();
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vars["canonical_name"] = aliases_[i].canonical_value->name();
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WriteEnumValueDocComment(printer, aliases_[i].value);
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printer->Print(
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vars, "public static final $classname$ $name$ = $canonical_name$;\n");
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printer->Annotate("name", aliases_[i].value);
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}
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for (int i = 0; i < descriptor_->value_count(); i++) {
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std::map<std::string, std::string> vars;
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vars["name"] = descriptor_->value(i)->name();
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vars["number"] = StrCat(descriptor_->value(i)->number());
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vars["{"] = "";
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vars["}"] = "";
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vars["deprecation"] = descriptor_->value(i)->options().deprecated()
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? "@java.lang.Deprecated "
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: "";
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WriteEnumValueDocComment(printer, descriptor_->value(i));
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printer->Print(vars,
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"$deprecation$public static final int ${$$name$_VALUE$}$ = "
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"$number$;\n");
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printer->Annotate("{", "}", descriptor_->value(i));
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}
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printer->Print("\n");
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// -----------------------------------------------------------------
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printer->Print(
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"\n"
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"public final int getNumber() {\n");
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if (SupportUnknownEnumValue(descriptor_->file())) {
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if (ordinal_is_index) {
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printer->Print(
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" if (this == UNRECOGNIZED) {\n"
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" throw new java.lang.IllegalArgumentException(\n"
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" \"Can't get the number of an unknown enum value.\");\n"
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" }\n");
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} else {
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printer->Print(
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" if (index == -1) {\n"
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" throw new java.lang.IllegalArgumentException(\n"
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" \"Can't get the number of an unknown enum value.\");\n"
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" }\n");
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}
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}
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printer->Print(
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" return value;\n"
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"}\n"
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"\n"
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"/**\n"
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" * @param value The numeric wire value of the corresponding enum "
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"entry.\n"
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" * @return The enum associated with the given numeric wire value.\n"
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" * @deprecated Use {@link #forNumber(int)} instead.\n"
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" */\n"
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"@java.lang.Deprecated\n"
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"public static $classname$ valueOf(int value) {\n"
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" return forNumber(value);\n"
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"}\n"
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"\n"
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"/**\n"
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" * @param value The numeric wire value of the corresponding enum "
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"entry.\n"
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" * @return The enum associated with the given numeric wire value.\n"
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" */\n"
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"public static $classname$ forNumber(int value) {\n"
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" switch (value) {\n",
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"classname", descriptor_->name());
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printer->Indent();
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printer->Indent();
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for (int i = 0; i < canonical_values_.size(); i++) {
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printer->Print("case $number$: return $name$;\n", "name",
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canonical_values_[i]->name(), "number",
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StrCat(canonical_values_[i]->number()));
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}
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printer->Outdent();
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printer->Outdent();
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printer->Print(
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" default: return null;\n"
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" }\n"
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"}\n"
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"\n"
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"public static com.google.protobuf.Internal.EnumLiteMap<$classname$>\n"
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" internalGetValueMap() {\n"
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" return internalValueMap;\n"
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"}\n"
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"private static final com.google.protobuf.Internal.EnumLiteMap<\n"
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" $classname$> internalValueMap =\n"
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" new com.google.protobuf.Internal.EnumLiteMap<$classname$>() {\n"
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" public $classname$ findValueByNumber(int number) {\n"
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" return $classname$.forNumber(number);\n"
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" }\n"
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" };\n"
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"\n",
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"classname", descriptor_->name());
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// -----------------------------------------------------------------
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// Reflection
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if (HasDescriptorMethods(descriptor_, context_->EnforceLite())) {
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printer->Print(
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"public final com.google.protobuf.Descriptors.EnumValueDescriptor\n"
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" getValueDescriptor() {\n");
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if (SupportUnknownEnumValue(descriptor_->file())) {
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if (ordinal_is_index) {
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printer->Print(
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" if (this == UNRECOGNIZED) {\n"
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" throw new java.lang.IllegalStateException(\n"
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" \"Can't get the descriptor of an unrecognized enum "
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"value.\");\n"
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" }\n");
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} else {
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printer->Print(
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" if (index == -1) {\n"
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" throw new java.lang.IllegalStateException(\n"
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" \"Can't get the descriptor of an unrecognized enum "
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"value.\");\n"
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" }\n");
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}
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}
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printer->Print(
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" return getDescriptor().getValues().get($index_text$);\n"
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"}\n"
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"public final com.google.protobuf.Descriptors.EnumDescriptor\n"
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" getDescriptorForType() {\n"
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" return getDescriptor();\n"
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"}\n"
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"public static final com.google.protobuf.Descriptors.EnumDescriptor\n"
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" getDescriptor() {\n",
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"index_text", index_text);
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// TODO(kenton): Cache statically? Note that we can't access descriptors
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// at module init time because it wouldn't work with descriptor.proto, but
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// we can cache the value the first time getDescriptor() is called.
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if (descriptor_->containing_type() == NULL) {
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// The class generated for the File fully populates the descriptor with
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// extensions in both the mutable and immutable cases. (In the mutable api
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// this is accomplished by attempting to load the immutable outer class).
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printer->Print(
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" return $file$.getDescriptor().getEnumTypes().get($index$);\n",
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"file",
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name_resolver_->GetClassName(descriptor_->file(), immutable_api_),
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"index", StrCat(descriptor_->index()));
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} else {
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printer->Print(
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" return $parent$.$descriptor$.getEnumTypes().get($index$);\n",
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"parent",
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name_resolver_->GetClassName(descriptor_->containing_type(),
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immutable_api_),
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"descriptor",
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descriptor_->containing_type()
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->options()
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.no_standard_descriptor_accessor()
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? "getDefaultInstance().getDescriptorForType()"
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: "getDescriptor()",
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"index", StrCat(descriptor_->index()));
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}
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printer->Print(
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"}\n"
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"\n"
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"private static final $classname$[] VALUES = ",
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"classname", descriptor_->name());
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if (CanUseEnumValues()) {
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// If the constants we are going to output are exactly the ones we
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// have declared in the Java enum in the same order, then we can use
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// the values() method that the Java compiler automatically generates
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// for every enum.
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printer->Print("values();\n");
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} else {
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printer->Print("getStaticValuesArray();\n");
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printer->Print("private static $classname$[] getStaticValuesArray() {\n",
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"classname", descriptor_->name());
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printer->Indent();
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printer->Print(
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"return new $classname$[] {\n"
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" ",
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"classname", descriptor_->name());
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for (int i = 0; i < descriptor_->value_count(); i++) {
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printer->Print("$name$, ", "name", descriptor_->value(i)->name());
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}
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printer->Print(
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"\n"
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"};\n");
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printer->Outdent();
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printer->Print("}");
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}
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printer->Print(
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"\n"
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"public static $classname$ valueOf(\n"
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" com.google.protobuf.Descriptors.EnumValueDescriptor desc) {\n"
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" if (desc.getType() != getDescriptor()) {\n"
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" throw new java.lang.IllegalArgumentException(\n"
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" \"EnumValueDescriptor is not for this type.\");\n"
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" }\n",
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"classname", descriptor_->name());
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if (SupportUnknownEnumValue(descriptor_->file())) {
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printer->Print(
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" if (desc.getIndex() == -1) {\n"
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" return UNRECOGNIZED;\n"
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" }\n");
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}
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printer->Print(
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" return VALUES[desc.getIndex()];\n"
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"}\n"
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"\n");
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if (!ordinal_is_index) {
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printer->Print("private final int index;\n");
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}
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}
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// -----------------------------------------------------------------
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printer->Print("private final int value;\n\n");
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if (ordinal_is_index) {
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printer->Print("private $classname$(int value) {\n", "classname",
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descriptor_->name());
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} else {
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printer->Print("private $classname$(int index, int value) {\n", "classname",
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descriptor_->name());
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}
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if (HasDescriptorMethods(descriptor_, context_->EnforceLite()) &&
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!ordinal_is_index) {
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printer->Print(" this.index = index;\n");
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}
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printer->Print(
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" this.value = value;\n"
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"}\n");
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printer->Print(
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"\n"
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"// @@protoc_insertion_point(enum_scope:$full_name$)\n",
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"full_name", descriptor_->full_name());
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printer->Outdent();
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printer->Print("}\n\n");
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}
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bool EnumGenerator::CanUseEnumValues() {
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if (canonical_values_.size() != descriptor_->value_count()) {
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return false;
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}
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for (int i = 0; i < descriptor_->value_count(); i++) {
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if (descriptor_->value(i)->name() != canonical_values_[i]->name()) {
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return false;
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}
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}
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return true;
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}
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} // namespace java
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} // namespace compiler
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} // namespace protobuf
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} // namespace google
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