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Source: https://embt.atlassian.net/servicedesk/customer/portal/1/RSS-1577 https://quality.embarcadero.com/browse/RSP-44096 https://embt.atlassian.net/servicedesk/customer/portal/1/RSS-1754 https://www.delphipraxis.net/214473-warnung-vor-winmd.html ......................

Works very well.

Delphi winmd is not available to me (latest CE user), so I don't know, but I recommend to compare it with other winmd Pascal providers.

TOML is a "config file format for humans", that has gained a lot of traction in the python and rust communities among others. It is basically the INI file format on steroids. It compares quite well to alternative formats such as JSON, YAML and XML. Compared to JSON is way more readable and compact. Since I could not find any Delphi library for processing TOML, I have created my own: toml-delphi. Features: TOML v1.0.0 compliant. Passes all 734 (valid/invalid) official validation tests. Fast. Single stream tokenizer and lexer that doesn't use regex. Converts TOML documents to Delphi's RTL's TJSONObject, thus allowing for easy traversal, manipulation and query of the generated documents. Includes TTOMLWriter for converting TJSONObjects back to TOML. Provides for easy (de)serialization of Delphi objects and records from/to TOML. This is the interface of the main unit: TJSONObjectHelper = class helper for TJSONObject function ToTOML(MultilineStrings: Boolean = False; Indent: Integer = 4): string; procedure StreamTOML(Stream: TStream; MultilineStrings: Boolean = False; Indent: Integer = 4); procedure SaveTOMLtoFile(const FileName: string; MultilineStrings: Boolean = False; Indent: Integer = 4); class function FromTOML(const Contents: string): TJSONObject; overload; class function FromTOML(Contents: TBytes): TJSONObject; overload; class function FromTOML(Stream: TStream): TJSONObject; overload; class function FromTOMLFile(const FileName: string): TJSONObject; end; ETOMLSerializer = class(Exception); TTOMLSerializer = class class function Serialize<T>(const AValue: T): string; overload; class function Deserialize<T>(const ATOML: string): T; overload; end; Example usage: You can convert TOML source to TJSONObject using one of the FromTOML functions. For example to parse a TOML file you use: var JsonObject := TJSONObject.FromTOMLFile(FileName); //or for parsing a TOML string: var JsonObject := TJSONObject.FromTOML(TOMLstring); To convert a TJSONObject to TOML you use one of the methods ToTOML, StreamTOML or SaveTOMLToFile. For example: TOMLString := JsonObject.ToTOML; // or JsonObject.SaveTOMLToFile(FileName); Example serialization: type TTestRec = record IntValue: Integer; FloatValue: double; StringValue: string; DateValue: TDateTime; ArrayValue: TArray<string>; end; procedure TestSerializer; var Rec: TTestRec; TOMLString: string; begin Rec.IntValue := 123; Rec.FloatValue := 3.14; Rec.StringValue := 'abc'; Rec.DateValue := Now; Rec.ArrayValue := ['A', 'B', 'C']; Writeln('Serialized record:'); WriteLn('=================='); TOMLString := TTOMLSerializer.Serialize(Rec); Writeln(TOMLString); Writeln('Record deserialized and serialized again:'); Writeln('========================================='); Rec := TTOMLSerializer.Deserialize<TTestRec>(TOMLString); TOMLString := TTOMLSerializer.Serialize(Rec); Writeln(TOMLString); end; Output: Serialized record: ================== IntValue = 123 FloatValue = 3.14 StringValue = "abc" DateValue = "2025-06-18T05:37:02.110+03:00" ArrayValue = [ "A", "B", "C" ] Record deserialized and serialized again: ========================================= IntValue = 123 FloatValue = 3.14 StringValue = "abc" DateValue = "2025-06-18T05:37:02.110+03:00" ArrayValue = [ "A", "B", "C" ] I hope you find it useful.

Intercepting functions for unit testing is a terrible idea. A better option would be to create abstractions and a concrete implementation (ie actually calls UuidCreate), that abstraction can be easily mocked using Delphi Mocks or Spring4D for uinit tests. The same applies to code that relies on things like Now or NowUTC - e.g - https://github.com/VSoftTechnologies/VSoft.System.TimeProvider

Please look at https://github.com/apokroy/Ext.Types/blob/master/Source/Ext.Types.Date.pas