internal OneofDescriptor(OneofDescriptorProto proto, FileDescriptor file, MessageDescriptor parent, int index, string clrName)
: base(file, file.ComputeFullName(parent, proto.Name), index)
{
this.proto = proto;
containingType = parent;
file.DescriptorPool.AddSymbol(this);
accessor = CreateAccessor(clrName);
}
/// <summary>
/// Emit the discriminator accessor for 'oneof' groups
/// </summary>
protected override void WriteOneOfDiscriminator(GeneratorContext ctx, OneofDescriptorProto oneof, ref object state)
{
var name = ctx.NameNormalizer.GetName(oneof);
var fieldName = GetOneOfFieldName(oneof);
ctx.WriteLine($"Public ReadOnly Property {name}{OneOfEnumSuffixDiscriminator} As {name}{OneOfEnumSuffixEnum}").Indent().WriteLine("Get").Indent()
.WriteLine($"Return {fieldName}.Discriminator")
.Outdent().WriteLine("End Get").Outdent().WriteLine("End Property").WriteLine();
}
/// <summary>
/// Suggest a normalized identifier
/// </summary>
public virtual string GetName(OneofDescriptorProto definition)
{
var name = definition?.Options?.GetOptions()?.Name;
if (!string.IsNullOrWhiteSpace(name))
{
return(name);
}
return(GetName(definition.Parent as DescriptorProto, GetName(definition.Name), definition.Name, false));
}
internal OneofDescriptor(OneofDescriptorProto proto, FileDescriptor file,
MessageDescriptor parent, int index)
{
this.proto = proto;
this.file = file;
this.index = index;
containingType = parent;
fieldCount = 0;
}
internal OneofDescriptor(OneofDescriptorProto proto, FileDescriptor file,
MessageDescriptor parent, int index)
{
this.proto = proto;
this.file = file;
this.index = index;
containingType = parent;
fieldCount = 0;
}
internal OneofDescriptor(OneofDescriptorProto proto, FileDescriptor file, MessageDescriptor parent, int index, string clrName)
: base(file, file.ComputeFullName(parent, proto.Name), index)
{
this.proto = proto;
containingType = parent;
file.DescriptorPool.AddSymbol(this);
// It's useful to determine whether or not this is a synthetic oneof before cross-linking. That means
// diving into the proto directly rather than using FieldDescriptor, but that's okay.
var firstFieldInOneof = parent.Proto.Field.FirstOrDefault(fieldProto => fieldProto.HasOneofIndex && fieldProto.OneofIndex == index);
IsSynthetic = firstFieldInOneof?.Proto3Optional ?? false;
accessor = CreateAccessor(clrName);
}
/// <summary>
/// Emit the discriminator accessor for 'oneof' groups
/// </summary>
protected override void WriteOneOfDiscriminator(GeneratorContext ctx, OneofDescriptorProto oneof, ref object state)
{
var name = ctx.NameNormalizer.GetName(oneof);
var fieldName = GetOneOfFieldName(oneof);
if (ctx.Supports(CSharp6))
{
ctx.WriteLine($"public {name}{OneOfEnumSuffixEnum} {name}{OneOfEnumSuffixDiscriminator} => ({name}{OneOfEnumSuffixEnum}){fieldName}.Discriminator;");
}
else
{
ctx.WriteLine($"public {name}{OneOfEnumSuffixEnum} {name}{OneOfEnumSuffixDiscriminator}").WriteLine("{").Indent()
.WriteLine($"get {{ return ({name}{OneOfEnumSuffixEnum}){fieldName}.Discriminator; }}")
.Outdent().WriteLine("}");
}
}
/// <summary>
/// Emit the end of an enum declaration for 'oneof' groups
/// </summary>
protected override void WriteOneOfEnumFooter(GeneratorContext ctx, OneofDescriptorProto oneof, ref object state)
{
ctx.Outdent().WriteLine("}").WriteLine();
}
/// <summary>
/// Emit the start of an enum declaration for 'oneof' groups, including the 0/None element
/// </summary>
protected override void WriteOneOfEnumHeader(GeneratorContext ctx, OneofDescriptorProto oneof, ref object state)
{
ctx.WriteLine().WriteLine($"public enum {ctx.NameNormalizer.GetName(oneof)}{OneOfEnumSuffixEnum}").WriteLine("{").Indent().WriteLine("None = 0,");
}
private static string GetOneOfFieldName(OneofDescriptorProto obj) => FieldPrefix + obj.Name;
internal OneOfStub(OneofDescriptorProto decl)
{
OneOf = decl;
}
internal OneOfStub(OneofDescriptorProto decl, int index)
{
OneOf = decl;
Index = index;
}
/// <summary>
/// Constructs Delphi source code representing a protobuf oneof.
/// </summary>
/// <param name="oneof">Protobuf oneof to generate code for</param>
/// <param name="fields">Protobuf fields that are part of the oneof</param>
public OneofSourceCode(OneofDescriptorProto oneof, IEnumerable <FieldSourceCode> fields)
{
this.oneof = oneof;
Fields = fields;
}
/// <summary>
/// Emit the discriminator accessor for 'oneof' groups
/// </summary>
protected virtual void WriteOneOfDiscriminator(GeneratorContext ctx, OneofDescriptorProto obj, ref object state)
{
}
/// <summary>
/// Emit the start of an enum declaration for 'oneof' groups, including the 0/None element
/// </summary>
protected override void WriteOneOfEnumHeader(GeneratorContext ctx, OneofDescriptorProto obj, ref object state)
{
ctx.WriteLine($"Public Enum {Escape(ctx.NameNormalizer.GetName(obj))}{OneOfEnumSuffixEnum}").Indent().WriteLine("None = 0");
}