| Hex2LWord Function |
Unit
QESBPCSConvert
Declaration
Function Hex2LWord(const S: string): LongWord;
Description
Removes any leading or trailing white spaces (ie <= #32). Initial '$' not required but acceptable. If Number is Valid but out of Range then High (LongWord) will be returned for a greater value and 0 for a lesser value. Non-hexadecimal will return 0.
| Parameters |
| S | the String to process |
Category
String/Integer Conversion RoutinesImplementation
function Hex2LWord (const S: string): LongWord;
var
S2: string;
L: Int64;
Error: Integer;
begin
S2 := StripChFromStr (S, WhiteSpaceSet);
if (Length (S2) > 1) and (S2 [1] <> '$') then
S2 := '$' + S2;
try
Val (S2, L, Error);
if Error <> 0 then
Result := 0 // Return 0 for non-numeric
else if L > High (LongWord) then // Check with in boundaries
Result := High (LongWord)
else if L < Low (LongWord) then
Result := Low (LongWord)
else
Result := L; // Return Value
except
Result := 0; // Return 0 for non-numeric
end;
End; |
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