com.google.protobuf.DescriptorProtos.DescriptorProto#getEnumType ( )源码实例Demo

@Nullable
private static String appendToFullName(
        DescriptorProto messageDescriptor, List<Integer> path, String fullNameSoFar) {
    switch (path.get(0)) {
        case DescriptorProto.NESTED_TYPE_FIELD_NUMBER:
            final DescriptorProto nestedMessage = messageDescriptor.getNestedType(path.get(1));
            return appendMessageToFullName(nestedMessage, path, fullNameSoFar);
        case DescriptorProto.ENUM_TYPE_FIELD_NUMBER:
            final EnumDescriptorProto enumDescriptor = messageDescriptor.getEnumType(path.get(1));
            return appendEnumToFullName(enumDescriptor, path, fullNameSoFar);
        case DescriptorProto.FIELD_FIELD_NUMBER:
            final FieldDescriptorProto fieldDescriptor = messageDescriptor.getField(path.get(1));
            return appendFieldComponent(fullNameSoFar, fieldDescriptor.getName());
        default:
            return null;
    }
}
 

private Descriptor(final DescriptorProto proto,
                   final FileDescriptor file,
                   final Descriptor parent,
                   final int index)
            throws DescriptorValidationException {
  this.index = index;
  this.proto = proto;
  fullName = computeFullName(file, parent, proto.getName());
  this.file = file;
  containingType = parent;

  oneofs = new OneofDescriptor[proto.getOneofDeclCount()];
  for (int i = 0; i < proto.getOneofDeclCount(); i++) {
    oneofs[i] = new OneofDescriptor(
      proto.getOneofDecl(i), file, this, i);
  }

  nestedTypes = new Descriptor[proto.getNestedTypeCount()];
  for (int i = 0; i < proto.getNestedTypeCount(); i++) {
    nestedTypes[i] = new Descriptor(
      proto.getNestedType(i), file, this, i);
  }

  enumTypes = new EnumDescriptor[proto.getEnumTypeCount()];
  for (int i = 0; i < proto.getEnumTypeCount(); i++) {
    enumTypes[i] = new EnumDescriptor(
      proto.getEnumType(i), file, this, i);
  }

  fields = new FieldDescriptor[proto.getFieldCount()];
  for (int i = 0; i < proto.getFieldCount(); i++) {
    fields[i] = new FieldDescriptor(
      proto.getField(i), file, this, i, false);
  }

  extensions = new FieldDescriptor[proto.getExtensionCount()];
  for (int i = 0; i < proto.getExtensionCount(); i++) {
    extensions[i] = new FieldDescriptor(
      proto.getExtension(i), file, this, i, true);
  }

  for (int i = 0; i < proto.getOneofDeclCount(); i++) {
    oneofs[i].fields = new FieldDescriptor[oneofs[i].getFieldCount()];
    oneofs[i].fieldCount = 0;
  }
  for (int i = 0; i < proto.getFieldCount(); i++) {
    OneofDescriptor oneofDescriptor = fields[i].getContainingOneof();
    if (oneofDescriptor != null) {
      oneofDescriptor.fields[oneofDescriptor.fieldCount++] = fields[i];
    }
  }

  file.pool.addSymbol(this);
}