public override CodeGeneratedMethod CreateParseMethodBody(ParserCodeGenContext context)
{
string body;
string keyTypeName = CSharpHelpers.GetCompilableTypeName(this.keyTypeModel.ClrType);
string valueTypeName = CSharpHelpers.GetCompilableTypeName(this.valueTypeModel.ClrType);
(string vectorClassDef, string vectorClassName) = FlatBufferVectorHelpers.CreateFlatBufferVectorSubclass(
this.valueTypeModel.ClrType,
context.InputBufferTypeName,
context.MethodNameMap[this.valueTypeModel.ClrType]);
string createFlatBufferVector =
$@"new {vectorClassName}<{context.InputBufferTypeName}>(
{context.InputBufferVariableName},
{context.OffsetVariableName} + {context.InputBufferVariableName}.{nameof(InputBufferExtensions.ReadUOffset)}({context.OffsetVariableName}),
{this.PaddedMemberInlineSize})";
if (context.Options.PreallocateVectors)
{
// Eager indexed vector.
string mutable = context.Options.GenerateMutableObjects.ToString().ToLowerInvariant();
body = $@"return new {nameof(IndexedVector<string, string>)}<{keyTypeName}, {valueTypeName}>({createFlatBufferVector}, {mutable});";
}
else
{
// Lazy indexed vector.
body = $@"return new {nameof(FlatBufferIndexedVector<string, string>)}<{keyTypeName}, {valueTypeName}>({createFlatBufferVector});";
}
return(new CodeGeneratedMethod(body)
{
IsMethodInline = true, ClassDefinition = vectorClassDef
});
}
public override CodeGeneratedMethod CreateParseMethodBody(ParserCodeGenContext context)
{
string body;
string keyTypeName = CSharpHelpers.GetCompilableTypeName(this.keyTypeModel.ClrType);
string valueTypeName = CSharpHelpers.GetCompilableTypeName(this.valueTypeModel.ClrType);
(string vectorClassDef, string vectorClassName) = FlatBufferVectorHelpers.CreateFlatBufferVectorSubclass(
this.valueTypeModel.ClrType,
context.InputBufferTypeName,
context.MethodNameMap[this.valueTypeModel.ClrType]);
(string dictionaryClassDef, string dictionaryClassName) = FlatBufferVectorHelpers.CreateFlatBufferDictionarySubclass(
this.valueTypeModel.ClrType,
this.keyTypeModel.ClrType,
this.keyMemberModel.PropertyInfo.Name);
string createFlatBufferVector =
$@"new {vectorClassName}<{context.InputBufferTypeName}>(
{context.InputBufferVariableName},
{context.OffsetVariableName} + {context.InputBufferVariableName}.{nameof(InputBufferExtensions.ReadUOffset)}({context.OffsetVariableName}),
{this.PaddedMemberInlineSize})";
string createDictionary = $@"new {dictionaryClassName}({createFlatBufferVector})";
if (context.Options.PreallocateVectors)
{
// We just call .ToDictionary() when in preallocate mode. Note that when full greedy mode is on, these items will be
// greedily initialized as we traverse the list. Otherwise, they'll be allocated lazily.
body = $"({createDictionary}).ToDictionary()";
if (!context.Options.GenerateMutableObjects)
{
// Finally, if we're not in the business of making mutable objects, then convert the list to read only.
body = $"new System.Collections.ObjectModel.ReadOnlyDictionary<{keyTypeName}, {valueTypeName}>({body})";
}
body = $"return {body};";
}
else
{
body = $"return {createDictionary};";
}
return(new CodeGeneratedMethod {
MethodBody = body, IsMethodInline = true, ClassDefinition = string.Join("\r\n", vectorClassDef, dictionaryClassDef)
});
}
public override CodeGeneratedMethod CreateParseMethodBody(ParserCodeGenContext context)
{
string body;
if (this.itemTypeModel is null)
{
throw new InvalidOperationException($"Flatsharp internal error: ItemTypeModel null");
}
(string vectorClassDef, string vectorClassName) = (string.Empty, string.Empty);
if (this.itemTypeModel.ClrType == typeof(byte))
{
// can handle this as memory.
string method = nameof(InputBufferExtensions.ReadByteMemoryBlock);
if (this.ClrType == typeof(ReadOnlyMemory <byte>))
{
method = nameof(InputBufferExtensions.ReadByteReadOnlyMemoryBlock);
}
string memoryVectorRead = $"{context.InputBufferVariableName}.{method}({context.OffsetVariableName})";
body = $"return {memoryVectorRead}.ToArray();";
}
else
{
(vectorClassDef, vectorClassName) = FlatBufferVectorHelpers.CreateFlatBufferVectorSubclass(
this.itemTypeModel.ClrType,
context.InputBufferTypeName,
context.MethodNameMap[this.itemTypeModel.ClrType]);
string createFlatBufferVector =
$@"new {vectorClassName}<{context.InputBufferTypeName}>(
{context.InputBufferVariableName},
{context.OffsetVariableName} + {context.InputBufferVariableName}.{nameof(InputBufferExtensions.ReadUOffset)}({context.OffsetVariableName}),
{this.PaddedMemberInlineSize})";
body = $"return ({createFlatBufferVector}).ToArray();";
}
return(new CodeGeneratedMethod(body)
{
ClassDefinition = vectorClassDef
});
}
public override CodeGeneratedMethod CreateParseMethodBody(ParserCodeGenContext context)
{
(string vectorClassDef, string vectorClassName) = FlatBufferVectorHelpers.CreateFlatBufferVectorSubclass(
this.itemTypeModel.ClrType,
context.InputBufferTypeName,
context.MethodNameMap[this.itemTypeModel.ClrType]);
string body;
string createFlatBufferVector =
$@"new {vectorClassName}<{context.InputBufferTypeName}>(
{context.InputBufferVariableName},
{context.OffsetVariableName} + {context.InputBufferVariableName}.{nameof(InputBufferExtensions.ReadUOffset)}({context.OffsetVariableName}),
{this.PaddedMemberInlineSize})";
if (context.Options.PreallocateVectors)
{
// We just call .ToList(). Note that when full greedy mode is on, these items will be
// greedily initialized as we traverse the list. Otherwise, they'll be allocated lazily.
body = $"({createFlatBufferVector}).FlatBufferVectorToList()";
if (!context.Options.GenerateMutableObjects)
{
// Finally, if we're not in the business of making mutable objects, then convert the list to read only.
body += ".AsReadOnly()";
}
body = $"return {body};";
}
else
{
body = $"return {createFlatBufferVector};";
}
return(new CodeGeneratedMethod(body)
{
ClassDefinition = vectorClassDef
});
}