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fpspreadsheet: Implement spreadsheet functions ROW() and COLUMN()

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git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@6822 8e941d3f-bd1b-0410-a28a-d453659cc2b4
This commit is contained in:
wp_xxyyzz
2019-02-27 22:27:47 +00:00
parent a6e527d8c1
commit e20a18fd7f
1 changed files with 39 additions and 42 deletions
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81
components/fpspreadsheet/source/common/fpsfunc.pas
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@ -2076,6 +2076,24 @@ end;
{ Builtin lookup/reference functions } { Builtin lookup/reference functions }
{------------------------------------------------------------------------------} {------------------------------------------------------------------------------}
procedure fpsCOLUMN(var Result: TsExpressionResult;
const Args: TsExprParameterArray);
{ COLUMN( [reference] )
Returns the column number of a cell reference (starting at 1!)
"reference" is a reference to a cell or range of cells.
If omitted, it is assumed that the reference is the cell address in which the
COLUMN function has been entered in. }
begin
Result := ErrorResult(errArgError);
if Length(Args) = 0 then
exit; // We don't know here which cell contains the formula.
case Args[0].ResultType of
rtCell : Result := IntegerResult(Args[0].ResCol + 1);
rtCellRange: Result := IntegerResult(Args[0].ResCellRange.Col1 + 1);
else Result := ErrorResult(errWrongType);
end;
end;
procedure fpsHYPERLINK(var Result: TsExpressionResult; procedure fpsHYPERLINK(var Result: TsExpressionResult;
const Args: TsExprParameterArray); const Args: TsExprParameterArray);
begin begin
@ -2211,6 +2229,24 @@ begin
// If the procedure gets here, not match has been found --> return error #N/A // If the procedure gets here, not match has been found --> return error #N/A
end; end;
procedure fpsROW(var Result: TsExpressionResult;
const Args: TsExprParameterArray);
{ ROW( [reference] )
Returns the row number of a cell reference (starting at 1!)
"reference" is a reference to a cell or range of cells.
If omitted, it is assumed that the reference is the cell address in which the
ROW function has been entered in. }
begin
Result := ErrorResult(errArgError);
if Length(Args) = 0 then
exit; // We don't know here which cell contains the formula.
case Args[0].ResultType of
rtCell : Result := IntegerResult(Args[0].ResRow + 1);
rtCellRange: Result := IntegerResult(Args[0].ResCellRange.Row1 + 1);
else Result := ErrorResult(errWrongType);
end;
end;
{------------------------------------------------------------------------------} {------------------------------------------------------------------------------}
{ Registration } { Registration }
@ -2339,8 +2375,10 @@ begin
// Lookup / reference functions // Lookup / reference functions
cat := bcLookup; cat := bcLookup;
AddFunction(cat, 'COLUMN', 'I', 'r', INT_EXCEL_SHEET_FUNC_COLUMN, @fpsCOLUMN);
AddFunction(cat, 'HYPERLINK', 'S', 'Ss', INT_EXCEL_SHEET_FUNC_HYPERLINK, @fpsHYPERLINK); AddFunction(cat, 'HYPERLINK', 'S', 'Ss', INT_EXCEL_SHEET_FUNC_HYPERLINK, @fpsHYPERLINK);
AddFunction(cat, 'MATCH', 'I', 'SRi', INT_EXCEL_SHEET_FUNC_MATCH, @fpsMATCH); AddFunction(cat, 'MATCH', 'I', 'SRi', INT_EXCEL_SHEET_FUNC_MATCH, @fpsMATCH);
AddFunction(cat, 'ROW', 'I', 'r', INT_EXCEL_SHEET_FUNC_ROW, @fpsROW);
(* (*
AddFunction(cat, 'COLUMN', 'I', 'R', INT_EXCEL_SHEET_FUNC_COLUMN, @fpsCOLUMN); AddFunction(cat, 'COLUMN', 'I', 'R', INT_EXCEL_SHEET_FUNC_COLUMN, @fpsCOLUMN);
@ -2351,28 +2389,8 @@ end;
{ Lookup / reference functions } { Lookup / reference functions }
(*
function fpsCOLUMN(Args: TsArgumentStack; NumArgs: Integer): TsArgument;
{ COLUMN( [reference] )
Returns the column number of a cell reference (starting at 1).
"reference" is a reference to a cell or range of cells.
If omitted, it is assumed that the reference is the cell address in which the
COLUMN function has been entered in. }
var
arg: TsArgument;
begin
if NumArgs = 0 then
Result := CreateErrorArg(errArgError);
// We don't know here which cell contains the formula.
arg := Args.Pop;
case arg.ArgumentType of
atCell : Result := CreateNumberArg(arg.Cell^.Col + 1);
atCellRange: Result := CreateNumberArg(arg.FirstCol + 1);
else Result := CreateErrorArg(errWrongType);
end;
end;
(*
function fpsCOLUMNS(Args: TsArgumentStack; NumArgs: Integer): TsArgument; function fpsCOLUMNS(Args: TsArgumentStack; NumArgs: Integer): TsArgument;
{ COLUMNS( [reference] ) { COLUMNS( [reference] )
returns the number of column in a cell reference. } returns the number of column in a cell reference. }
@ -2388,27 +2406,6 @@ begin
end; end;
end; end;
function fpsROW(Args: TsArgumentStack; NumArgs: Integer): TsArgument;
{ ROW( [reference] )
Returns the row number of a cell reference (starting at 1!)
"reference" is a reference to a cell or range of cells.
If omitted, it is assumed that the reference is the cell address in which the
ROW function has been entered in. }
var
arg: TsArgument;
begin
if NumArgs = 0 then
Result := CreateErrorArg(errArgError);
// We don't know here which cell contains the formula.
arg := Args.Pop;
case arg.ArgumentType of
atCell : Result := CreateNumberArg(arg.Cell^.Row + 1);
atCellRange: Result := CreateNumberArg(arg.FirstRow + 1);
else Result := CreateErrorArg(errWrongType);
end;
end;
function fpsROWS(Args: TsArgumentStack; NumArgs: Integer): TsArgument; function fpsROWS(Args: TsArgumentStack; NumArgs: Integer): TsArgument;
{ ROWS( [reference] ) { ROWS( [reference] )