--- oup/current/DataAccess/Access_OniArchive.pas	2007/02/26 22:57:02	116
+++ oup/current/DataAccess/Access_OniArchive.pas	2007/06/04 22:07:29	209
@@ -15,9 +15,10 @@ type
     FDatOpened:          Boolean;
     FRawOpened:          Boolean;
     FSepOpened:          Boolean;
+    procedure SetUnloadWhenUnused(doit: Boolean);
   protected
   public
-    property UnloadWhenUnused: Boolean Read FUnloadWhenUnused Write FUnloadWhenUnused;
+    property UnloadWhenUnused: Boolean Read FUnloadWhenUnused Write SetUnloadWhenUnused;
 
     constructor Create(DatFilename: String; ConnectionID: Integer; var Msg: TStatusMessages); override;
     procedure Close; override;
@@ -38,7 +39,8 @@ type
     function GetRawList(FileID: Integer): TRawDataList; override;
     function GetRawInfo(FileID, DatOffset: Integer): TRawDataInfo; override;
 
-    procedure LoadRawOffset(LocSep: Boolean; RawAddr, Size: Integer; target: Pointer);
+    procedure LoadRawOffset(LocSep: Boolean; RawAddr, Size: Integer; var target: TStream); overload;
+    procedure LoadRawOffset(LocSep: Boolean; RawAddr, Size: Integer; target: Pointer); overload;
     procedure LoadRawFile(FileID, DatOffset: Integer; var Target: TStream); overload; override;
     procedure UpdateRawFile(FileID, DatOffset: Integer; Src: TStream); overload; override;
     procedure LoadRawFilePart(FileID, DatOffset, Offset, Size: Integer; var Target: TStream); overload; override;
@@ -51,7 +53,7 @@ type
 implementation
 
 uses
-  SysUtils, StrUtils, Data, Functions, RawList, DatLinks;
+  SysUtils, StrUtils, Data, Functions, RawList, DatLinks, Math;
 
 
 (*
@@ -163,6 +165,53 @@ end;
 
 
 
+procedure TAccess_OniArchive.SetUnloadWhenUnused(doit: Boolean);
+begin
+  FUnloadWhenUnused := doit;
+  if FUnloadWhenUnused then
+  begin
+    if FDatOpened then
+    begin
+      FDatOpened := False;
+      Fdat_file.Free;
+    end;
+    if FRawOpened then
+    begin
+      FRawOpened := False;
+      Fraw_file.Free;
+    end;
+    if FSepOpened then
+    begin
+      FSepOpened := False;
+      Fsep_file.Free;
+    end;
+  end
+  else
+  begin
+    if not FDatOpened then
+    begin
+      Fdat_file := TFileStream.Create(FFileName, fmOpenReadWrite);
+      FDatOpened := True;
+    end;
+    if not FRawOpened then
+    begin
+      Fraw_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.raw'),
+        fmOpenReadWrite);
+      FRawOpened := True;
+    end;
+    if (not FSepOpened) and (FDataOS <> DOS_WIN) then
+    begin
+      Fsep_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.sep'),
+        fmOpenReadWrite);
+      FSepOpened := True;
+    end;
+  end;
+end;
+
+
+
+
+
 procedure TAccess_OniArchive.Close;
 begin
   if FDatOpened then
@@ -444,9 +493,10 @@ end;
 
 
 
-
-procedure TAccess_OniArchive.LoadRawOffset(LocSep: Boolean; RawAddr, Size: Integer; target: Pointer);
+procedure TAccess_OniArchive.LoadRawOffset(LocSep: Boolean; RawAddr, Size: Integer; var target: TStream);
 begin
+  if not Assigned(Target) then
+    Target := TMemoryStream.Create;
   if not LocSep then
   begin
     if not FRawOpened then
@@ -455,7 +505,8 @@ begin
     if RawAddr <= Fraw_file.Size then
     begin
       Fraw_file.Seek(RawAddr, soFromBeginning);
-      Fraw_file.Read(target^, size);
+      Target.CopyFrom(Fraw_file, size);
+      Target.Seek(0, soFromBeginning);
     end;
     if UnloadWhenUnused then
     begin
@@ -473,7 +524,8 @@ begin
     if RawAddr <= Fsep_file.Size then
     begin
       Fsep_file.Seek(RawAddr, soFromBeginning);
-      Fsep_file.Read(target^, size);
+      Target.CopyFrom(Fsep_file, size);
+      Target.Seek(0, soFromBeginning);
     end;
     if UnloadWhenUnused then
     begin
@@ -485,6 +537,16 @@ begin
   end;
 end;
 
+procedure TAccess_OniArchive.LoadRawOffset(LocSep: Boolean; RawAddr, Size: Integer; target: Pointer);
+var
+  data: TStream;
+begin
+  data := nil;
+  LoadRawOffset(LocSep, RawAddr, Size, data);
+  data.Read(Target^, Size);
+  data.Free;
+end;
+
 procedure TAccess_OniArchive.LoadRawFile(FileID, DatOffset: Integer; var Target: TStream);
 var
   raw_info: TRawDataInfo;
@@ -545,7 +607,7 @@ begin
         Fraw_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.raw'),
           fmOpenReadWrite);
       Fraw_file.Seek(raw_info.RawAddr, soFromBeginning);
-      Fraw_file.CopyFrom(Src, raw_info.RawSize);
+      Fraw_file.CopyFrom(Src, Min(raw_info.RawSize, Src.Size));
       if UnloadWhenUnused then
       begin
         FRawOpened := False;
@@ -590,6 +652,7 @@ begin
   end;
 end;
 
+
 procedure TAccess_OniArchive.UpdateRawFilePart(FileID, DatOffset, Offset, Size: Integer; Src: TStream);
 var
   raw_info: TRawDataInfo;
@@ -631,15 +694,22 @@ begin
 end;
 
 function TAccess_OniArchive.AppendRawFile(LocSep: Boolean; Src: TStream): Integer;
+const
+  EmptyBytes: Array[0..31] of Byte = (
+      0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 );
 begin
   if not LocSep then
   begin
     if not FRawOpened then
       Fraw_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.raw'),
         fmOpenReadWrite);
+    if (Fraw_file.Size mod 32) > 0 then
+      Fraw_file.Write(EmptyBytes[0], 32 - (Fraw_file.Size mod 32));
     Result := Fraw_file.Size;
     Fraw_file.Seek(0, soFromEnd);
     Fraw_file.CopyFrom(Src, Src.Size);
+    if (Fraw_file.Size mod 32) > 0 then
+      Fraw_file.Write(EmptyBytes[0], 32 - (Fraw_file.Size mod 32));
     if UnloadWhenUnused then
     begin
       FRawOpened := False;
@@ -653,9 +723,13 @@ begin
     if not FSepOpened then
       Fsep_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.sep'),
         fmOpenReadWrite);
+    if (Fsep_file.Size mod 32) > 0 then
+      Fsep_file.Write(EmptyBytes[0], 32 - (Fsep_file.Size mod 32));
     Result := Fsep_file.Size;
     Fsep_file.Seek(0, soFromEnd);
     Fsep_file.CopyFrom(Src, Src.Size);
+    if (Fsep_file.Size mod 32) > 0 then
+      Fsep_file.Write(EmptyBytes[0], 32 - (Fsep_file.Size mod 32));
     if UnloadWhenUnused then
     begin
       FSepOpened := False;