Support programming validator

[vanpipy]

Is your feature request related to a problem? Please describe

Nope

Describe the solution you'd like

Just like the implement of the Validator, i want one more property like schema.components[0].validate.executor to try a customized validation. But i cannot found any design for that or any place to extend it without changing the original code, so here is the feature request and thanks.

Describe alternatives you've considered

Nope

Additional context

No one