Dylan Sarrazyn
37 lines
906 B
GDScript
37 lines
906 B
GDScript
@tool
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extends ValidatorRule
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class_name CustomRule
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@export_multiline var expression: String = ""
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var _expression: Expression = Expression.new()
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func apply(control: Control, value) -> RuleResult:
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var result = RuleResult.new()
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if not _validate_expression():
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result.passed = false
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result.message = "Specified expression is not valid."
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return result
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var res = _expression.execute([ control, value ])
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if _expression.has_execute_failed():
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result.passed = false
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result.message = "Execution of the specified expression has failed."
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return result
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result.passed = res == true
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if not result.passed:
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result.message = fail_message
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return result
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func is_valid() -> bool:
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return _validate_expression()
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func get_invalid_message() -> String:
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return "Specified expression is not valid."
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func _validate_expression() -> bool:
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return _expression.parse(expression, [ "control", "value" ]) == OK
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