EMaskError

type EMaskError = class(EConvertError)

public

Type

  TMaskExceptionCode = (

Enumeration with values identifiers representing mask exception codes.

  mecInternalError,

Represents an exception raised when an unexpected op code is encountered while evaluating a mask expression.

  mecInvalidCharMask,

Represents an exception raised when an unexpected mask character is found when compiling the op codes for a mask expression.

  mecMissingClose,

Represents an exception raised when the closing ']' is not found in a set or range expression.

  mecIncompleteMask,

Represents an exception raised when a mask does not contain enough characters to evaluate the mask expression.

  mecInvalidEscapeChar,

Represents an exception raised when an invalid value is assigned as the EscapeChar for a mask instance.

  mecInvalidUTF8Sequence

Not used in the current implementation.

);

protected

  FCode: TMaskExceptionCode;

Member with the mask exception code for an exception instance.

public

  constructor Create();

Constructor for the class instance.

  constructor CreateFmt();

Constructor for the class instance.

  property Code: TMaskExceptionCode; [r]

Provides access to the mask exception code for the exception instance.

end;

EMaskError

Exception raised for an invalid character in TMask.

EConvertError

Exception

TObject

TMaskBase.Exception_InvalidCharMask

Raises an exception when the specified mask character or offset is invalid.

TMaskBase.Exception_MissingCloseChar

Raises an EMaskError exception when the closing ']' character is omitted from a set or range expression.

TMaskBase.Exception_IncompleteMask

Raises an EMaskError exception when escaped characters in a set is enabled, but range processing has not been enabled.

TMaskBase.Exception_InvalidEscapeChar

Raises an EMaskError exception when an invalid value is assigned to the EscapeChar property.

TMaskBase.Exception_InternalError

Raises an EMaskError exception when a parsed op code does not match an expected value in the mask expression.

EConvertError