fpspreadsheet: Extend number format parser to accept the keyword "General" in custom formats

git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@4161 8e941d3f-bd1b-0410-a28a-d453659cc2b4

components/fpspreadsheet/fpsnumformatparser.pas

@@ -23,7 +23,8 @@ const
   psErrMultipleCurrSymbols = 9;
   psErrMultipleFracSymbols = 10;
   psErrMultipleExpChars = 11;
-  psAmbiguousSymbol = 12;
+  psErrGeneralExpected = 12;
+  psAmbiguousSymbol = 13;
 
 type
 
@@ -54,7 +55,7 @@ type
 
     { Administration while scanning }
     procedure AddElement(AToken: TsNumFormatToken; AText: String); overload;
-    procedure AddElement(AToken: TsNumFormatToken; AIntValue: Integer); overload;
+    procedure AddElement(AToken: TsNumFormatToken; AIntValue: Integer=0); overload;
     procedure AddElement(AToken: TsNumFormatToken; AFloatValue: Double); overload;
     procedure AddSection;
     procedure DeleteElement(ASection, AIndex: Integer);
@@ -72,6 +73,7 @@ type
     procedure ScanCurrSymbol;
     procedure ScanDateTime;
     procedure ScanFormat;
+    procedure ScanGeneral;
     procedure ScanNumber;
     procedure ScanQuotedText;
     // Main scanner
@@ -190,7 +192,7 @@ begin
   FSections[FCurrSection].Elements[n].TextValue := AText;
 end;
 
-procedure TsNumFormatParser.AddElement(AToken: TsNumFormatToken; AIntValue: Integer);
+procedure TsNumFormatParser.AddElement(AToken: TsNumFormatToken; AIntValue: Integer=0);
 var
   n: Integer;
 begin
@@ -359,7 +361,10 @@ begin
             section^.Kind := section^.Kind + [nfkTimeInterval];
         end;
       nftColor:
+        begin
           section^.Kind := section^.Kind + [nfkHasColor];
+          section^.Color := section^.Elements[el].IntValue;
+        end;
       nftIntTh:
         section^.Kind := section^.Kind + [nfkHasThSep];
     end;
@@ -932,8 +937,11 @@ begin
   FStatus := psOK;
 
   AddSection;
-  if (AFormatString = '') or SameText(AFormatString, 'General') then
+  if (AFormatString = '') then
+  begin
+    AddElement(nftGeneral);
     exit;
+  end;
 
   FStart := @AFormatString[1];
   FEnd := FStart + Length(AFormatString);
@@ -941,6 +949,7 @@ begin
   FToken := FCurrent^;
   while (FCurrent < FEnd) and (FStatus = psOK) do begin
     case FToken of
+      'G','g': ScanGeneral;
       '[': ScanBrackets;
       '"': ScanQuotedText;
       ':': AddElement(nftDateTimeSep, ':');
@@ -1264,6 +1273,8 @@ begin
           ScanAMPM;
           FToken := PrevToken;
         end;
+      'G', 'g':
+        ScanGeneral;
       ';':  // End of the section. Important: Cursor must stay on ';'
         begin
           AddSection;
@@ -1276,6 +1287,26 @@ begin
   end;
 end;
 
+{ Scans for the word "General", it may be used like other tokens }
+procedure TsNumFormatParser.ScanGeneral;
+begin
+  FStatus := psErrGeneralExpected;
+  FToken := NextToken;
+  if not (FToken in ['e', 'E']) then exit;
+  FToken := NextToken;
+  if not (FToken in ['n', 'N']) then exit;
+  FToken := NextToken;
+  if not (FToken in ['e', 'E']) then exit;
+  FToken := NextToken;
+  if not (FToken in ['r', 'R']) then exit;
+  FToken := NextToken;
+  if not (FToken in ['a', 'A']) then exit;
+  FToken := NextToken;
+  if not (FToken in ['l', 'L']) then exit;
+  AddElement(nftGeneral);
+  FStatus := psOK;
+end;
+
 { Scans a floating point format. Procedure is left with the cursor at the last
   character of the format. }
 procedure TsNumFormatParser.ScanNumber;
@@ -1427,7 +1458,8 @@ begin
                end;
              end;
            end;
-
+      'G', 'g':
+           ScanGeneral;
       else
            FToken := PrevToken;
            Exit;

components/fpspreadsheet/fpsopendocument.pas

@@ -626,6 +626,9 @@ begin
         nftCurrSymbol:
           Result := Result + '<number:currency-symbol>' + Elements[el].TextValue + '</number:currency-symbol>';
 
+        nftGeneral:
+           Result := Result + '<number:number number:min-integer-digits="1" />';
+
         nftIntTh:
           begin
             Result := Result + '<number:number number:min-integer-digits="1" number:grouping="true"';
@@ -2256,8 +2259,15 @@ procedure TsSpreadOpenDocReader.ReadNumFormats(AStylesNode: TDOMNode);
       if nodeName = 'number:number' then
       begin
         s := GetAttrValue(node, 'number:decimal-places');
-        if s = '' then s := GetAttrValue(node, 'decimal-places');
-        if s <> '' then decs := StrToInt(s) else decs := 0;
+        if s = '' then
+          s := GetAttrValue(node, 'decimal-places');
+        if s = '' then
+        begin
+          if nfs='' then nf := nfGeneral else nf := nfCustom;
+          nfs := nfs + 'General';
+        end else
+        begin
+          decs := StrToInt(s);
           grouping := GetAttrValue(node, 'number:grouping') = 'true';
           s := GetAttrValue(node, 'number:display-factor');
           if s <> '' then f := StrToFloat(s, FPointSeparatorSettings) else f := 1.0;
@@ -2271,6 +2281,7 @@ procedure TsSpreadOpenDocReader.ReadNumFormats(AStylesNode: TDOMNode);
               f := f / 1000;
             end;
           end;
+        end;
       end else
       if nodeName = 'number:fraction' then
       begin

components/fpspreadsheet/fpstypes.pas

@@ -502,6 +502,7 @@ type
 
   {@@ Tokens used by the elements of the number format parser }
   TsNumFormatToken = (
+    nftGeneral,            // token for "general" number format
     nftText,               // must be quoted, stored in TextValue
     nftThSep,              // ',', replaced by FormatSettings.ThousandSeparator
     nftDecSep,             // '.', replaced by FormatSettings.DecimalSeparator
@@ -970,6 +971,8 @@ begin
   for i := 0 to High(ASection.Elements)  do begin
     element := ASection.Elements[i];
     case element.Token of
+      nftGeneral:
+        Result := Result + 'General';
       nftIntOptDigit, nftOptDecs, nftFracNumOptDigit, nftFracDenomOptDigit:
         if element.IntValue > 0 then
           Result := Result + DupeString('#', element.IntValue);

components/fpspreadsheet/fpsutils.pas

@@ -2880,6 +2880,13 @@ begin
 
   el := 0;
   while (el < numEl) do begin
+    if section.Elements[el].Token = nftGeneral then
+    begin
+      s := FloatToStrF(AValue, ffGeneral, 20, 20, fs);
+      if (sidx=0) and isNeg then s := '-' + s;
+      Result := Result + s;
+    end
+    else
     // Integer token: can be the start of a number, exp, or mixed fraction format
     // Cases with thousand separator are handled here as well.
     if section.Elements[el].Token in (INT_TOKENS + [nftIntTh]) then begin

components/fpspreadsheet/xlsbiff2.pas

@@ -440,7 +440,6 @@ end;*)
 procedure TsSpreadBIFF2Reader.ReadFormat(AStream: TStream);
 var
   len: byte;
-  fmtIndex: Integer;
   fmtString: AnsiString;
   nfs: String;
 begin

components/fpspreadsheet/xlsbiff5.pas

@@ -1200,7 +1200,6 @@ procedure TsSpreadBIFF5Writer.WriteFont(AStream: TStream; AFont: TsFont);
 var
   Len: Byte;
   optn: Word;
-  cidx: Integer;
 begin
   if AFont = nil then  // this happens for FONT4 in case of BIFF
     exit;