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isCharWhiteSpace

Short summary​

this methods checks if a windows-1252 or a windows-1251 character is a whitespace character

:return: TRUE means character is whitespace, FALSE means character is no whitespace

  • Return type: BOOL

Parameters​

NameTypeCommentKind
characterBYTEcharacter to check if it's whitespaceinput

Code​

Declaration​

METHOD PROTECTED isCharWhiteSpace :BOOL
VAR_INPUT
	(* character to check if it's whitespace *)
	character	:BYTE;
END_VAR
VAR CONSTANT
	SPACE			:BYTE := 16#20;
	HORIZONTAL_TAB	:BYTE := 16#09;
	LINE_FEED		:BYTE := 16#0A;
	VERTICAL_TAB	:BYTE := 16#0B;
	FROM_FEED		:BYTE := 16#0C;
	CARRIAGE_RETURN	:BYTE := 16#0D;
END_VAR

Implementation​

CASE character OF
HORIZONTAL_TAB .. CARRIAGE_RETURN,
SPACE:
	isCharWhiteSpace := TRUE;
ELSE
	isCharWhiteSpace := FALSE;	
END_CASE