in cdk/extra/protobuf/protobuf-3.19.6/src/google/protobuf/compiler/java/java_enum.cc [76:374]
void EnumGenerator::Generate(io::Printer* printer) {
WriteEnumDocComment(printer, descriptor_);
MaybePrintGeneratedAnnotation(context_, printer, descriptor_, immutable_api_);
printer->Print(
"$deprecation$public enum $classname$\n"
" implements com.google.protobuf.ProtocolMessageEnum {\n",
"classname", descriptor_->name(), "deprecation",
descriptor_->options().deprecated() ? "@java.lang.Deprecated " : "");
printer->Annotate("classname", descriptor_);
printer->Indent();
bool ordinal_is_index = true;
std::string index_text = "ordinal()";
for (int i = 0; i < canonical_values_.size(); i++) {
if (canonical_values_[i]->index() != i) {
ordinal_is_index = false;
index_text = "index";
break;
}
}
for (int i = 0; i < canonical_values_.size(); i++) {
std::map<std::string, std::string> vars;
vars["name"] = canonical_values_[i]->name();
vars["index"] = StrCat(canonical_values_[i]->index());
vars["number"] = StrCat(canonical_values_[i]->number());
WriteEnumValueDocComment(printer, canonical_values_[i]);
if (canonical_values_[i]->options().deprecated()) {
printer->Print("@java.lang.Deprecated\n");
}
if (ordinal_is_index) {
printer->Print(vars, "$name$($number$),\n");
} else {
printer->Print(vars, "$name$($index$, $number$),\n");
}
printer->Annotate("name", canonical_values_[i]);
}
if (SupportUnknownEnumValue(descriptor_->file())) {
if (ordinal_is_index) {
printer->Print("${$UNRECOGNIZED$}$(-1),\n", "{", "", "}", "");
} else {
printer->Print("${$UNRECOGNIZED$}$(-1, -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"
"public final int getNumber() {\n");
if (SupportUnknownEnumValue(descriptor_->file())) {
if (ordinal_is_index) {
printer->Print(
" if (this == UNRECOGNIZED) {\n"
" throw new java.lang.IllegalArgumentException(\n"
" \"Can't get the number of an unknown enum value.\");\n"
" }\n");
} else {
printer->Print(
" if (index == -1) {\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 numeric wire value of the corresponding enum "
"entry.\n"
" * @return The enum associated with the given numeric wire value.\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"
"/**\n"
" * @param value The numeric wire value of the corresponding enum "
"entry.\n"
" * @return The enum associated with the given numeric wire value.\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"
" public $classname$ findValueByNumber(int number) {\n"
" return $classname$.forNumber(number);\n"
" }\n"
" };\n"
"\n",
"classname", descriptor_->name());
// -----------------------------------------------------------------
// Reflection
if (HasDescriptorMethods(descriptor_, context_->EnforceLite())) {
printer->Print(
"public final com.google.protobuf.Descriptors.EnumValueDescriptor\n"
" getValueDescriptor() {\n");
if (SupportUnknownEnumValue(descriptor_->file())) {
if (ordinal_is_index) {
printer->Print(
" if (this == UNRECOGNIZED) {\n"
" throw new java.lang.IllegalStateException(\n"
" \"Can't get the descriptor of an unrecognized enum "
"value.\");\n"
" }\n");
} else {
printer->Print(
" if (index == -1) {\n"
" throw new java.lang.IllegalStateException(\n"
" \"Can't get the descriptor of an unrecognized enum "
"value.\");\n"
" }\n");
}
}
printer->Print(
" return getDescriptor().getValues().get($index_text$);\n"
"}\n"
"public final com.google.protobuf.Descriptors.EnumDescriptor\n"
" getDescriptorForType() {\n"
" return getDescriptor();\n"
"}\n"
"public static final com.google.protobuf.Descriptors.EnumDescriptor\n"
" getDescriptor() {\n",
"index_text", index_text);
// TODO(kenton): Cache statically? Note that we can't access descriptors
// at module init time because it wouldn't work with descriptor.proto, but
// we can cache the value the first time getDescriptor() is called.
if (descriptor_->containing_type() == NULL) {
// The class generated for the File fully populates the descriptor with
// extensions in both the mutable and immutable cases. (In the mutable api
// this is accomplished by attempting to load the immutable outer class).
printer->Print(
" return $file$.getDescriptor().getEnumTypes().get($index$);\n",
"file",
name_resolver_->GetClassName(descriptor_->file(), immutable_api_),
"index", StrCat(descriptor_->index()));
} else {
printer->Print(
" return $parent$.$descriptor$.getEnumTypes().get($index$);\n",
"parent",
name_resolver_->GetClassName(descriptor_->containing_type(),
immutable_api_),
"descriptor",
descriptor_->containing_type()
->options()
.no_standard_descriptor_accessor()
? "getDefaultInstance().getDescriptorForType()"
: "getDescriptor()",
"index", StrCat(descriptor_->index()));
}
printer->Print(
"}\n"
"\n"
"private static final $classname$[] VALUES = ",
"classname", descriptor_->name());
if (CanUseEnumValues()) {
// If the constants we are going to output are exactly the ones we
// have declared in the Java enum in the same order, then we can use
// the values() method that the Java compiler automatically generates
// for every enum.
printer->Print("values();\n");
} else {
printer->Print("getStaticValuesArray();\n");
printer->Print("private static $classname$[] getStaticValuesArray() {\n",
"classname", descriptor_->name());
printer->Indent();
printer->Print(
"return new $classname$[] {\n"
" ",
"classname", descriptor_->name());
for (int i = 0; i < descriptor_->value_count(); i++) {
printer->Print("$name$, ", "name", descriptor_->value(i)->name());
}
printer->Print(
"\n"
"};\n");
printer->Outdent();
printer->Print("}");
}
printer->Print(
"\n"
"public static $classname$ valueOf(\n"
" com.google.protobuf.Descriptors.EnumValueDescriptor desc) {\n"
" if (desc.getType() != getDescriptor()) {\n"
" throw new java.lang.IllegalArgumentException(\n"
" \"EnumValueDescriptor is not for this type.\");\n"
" }\n",
"classname", descriptor_->name());
if (SupportUnknownEnumValue(descriptor_->file())) {
printer->Print(
" if (desc.getIndex() == -1) {\n"
" return UNRECOGNIZED;\n"
" }\n");
}
printer->Print(
" return VALUES[desc.getIndex()];\n"
"}\n"
"\n");
if (!ordinal_is_index) {
printer->Print("private final int index;\n");
}
}
// -----------------------------------------------------------------
printer->Print("private final int value;\n\n");
if (ordinal_is_index) {
printer->Print("private $classname$(int value) {\n", "classname",
descriptor_->name());
} else {
printer->Print("private $classname$(int index, int value) {\n", "classname",
descriptor_->name());
}
if (HasDescriptorMethods(descriptor_, context_->EnforceLite()) &&
!ordinal_is_index) {
printer->Print(" this.index = index;\n");
}
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");
}