current/DataAccess/Access_OUP_ADB.pas

unit Access_OUP_ADB;
interface

uses DataAccess, ABSMain, TypeDefs, Classes;

type
  TAccess_OUP_ADB = class(TDataAccess)
  private
    FDatabase:          TABSDatabase;
    FQuery:             TABSQuery;
    Fdat_files:         TFiles;
    Fdat_extensionsmap: TExtensionsMap;
  protected
  public
    constructor Create(DBFilename: String; ConnectionID: Integer; var Msg: TStatusMessages); override;
    procedure Close; override;

    procedure UpdateListCache;

    function GetLinksToFile(FileID: Integer): TLinks;

    function GetFileInfo(FileID: Integer): TFileInfo; override;
    function GetFilesList(Ext: String; Pattern: String;
      NoEmptyFiles: Boolean; SortType: TSortType): TStrings; override;
    function GetFileCount: Integer; override;
    function GetExtensionsList(ExtListFormat: TExtensionFormat): TStrings; override;

    procedure LoadDatFile(FileID: Integer; var Target: TStream); overload; override;
    procedure UpdateDatFile(FileID: Integer; Src: TStream); overload; override;
    procedure LoadDatFilePart(FileID, Offset, Size: Integer; var Target: TStream); overload; override;
    procedure UpdateDatFilePart(FileID, Offset, Size: Integer; Src: TStream); overload; override;

    function GetDatLinks(FileID: Integer): TDatLinkList; override;
    function GetDatLink(FileID, DatOffset: Integer): TDatLink; override;
    function GetRawList(FileID: Integer): TRawDataList; override;
    function GetRawInfo(FileID, DatOffset: Integer): TRawDataInfo; override;

    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;
    procedure UpdateRawFilePart(FileID, DatOffset, Offset, Size: Integer; Src: TStream); overload; override;
  published
  end;


implementation

uses
  SysUtils, Data, Functions, ABSDecUtil, DB, DatLinks, StrUtils;


(*
================================================================================
                     Implementation of  TOniDataADB
*)


constructor TAccess_OUP_ADB.Create(DBFilename: String; ConnectionID: Integer; var Msg: TStatusMessages);
begin
  Msg := SM_UnknownError;
  if not FileExists(DBFilename) then
  begin
    Msg := SM_FileNotFound;
    Exit;
  end;
  FFileName := DBFilename;

  FDatabase := TABSDatabase.Create(nil);
  FDatabase.Exclusive := True;
  FDatabase.MultiUser := False;
  FDatabase.DatabaseName := 'OLDBcon' + IntToStr(ConnectionID);
  FDatabase.DatabaseFileName := DBFilename;
  FDatabase.Open;
  FQuery := TABSQuery.Create(FDatabase);
  FQuery.DisableControls;
  FQuery.RequestLive := False;
  FQuery.DatabaseName := 'OLDBcon' + IntToStr(ConnectionID);
  FQuery.SQL.Text := 'SELECT [name],[value] FROM globals ORDER BY [name] ASC';
  FQuery.Open;
  FQuery.First;
  repeat
    if FQuery.FieldByName('name').AsString = 'dbversion' then
    begin
      if FQuery.FieldByName('value').AsString <> DBversion then
      begin
        Msg := SM_IncompatibleDBVersion;
        FQuery.Close;
        Exit;
      end;
    end;
    if FQuery.FieldByName('name').AsString = 'lvl' then
      FLevelNumber := StrToInt(FQuery.FieldByName('value').AsString);
    if FQuery.FieldByName('name').AsString = 'DataOS' then
    begin
      if FQuery.FieldByName('value').AsString = 'WIN' then
        FDataOS := DOS_WIN
      else if FQuery.FieldByName('value').AsString = 'WINDEMO' then
        FDataOS := DOS_WINDEMO
      else if FQuery.FieldByName('value').AsString = 'MAC' then
        FDataOS := DOS_MAC
      else if FQuery.FieldByName('value').AsString = 'MACBETA' then
        FDataOS := DOS_MACBETA;
    end;
    FQuery.Next;
  until FQuery.EOF;
  FQuery.Close;

  Msg := SM_OK;
  FBackend := DB_ADB;

  FConnectionID := ConnectionID;
  FChangeRights := [CR_EditDat, CR_EditRaw, CR_ResizeDat, CR_ResizeRaw];

  UpdateListCache;
end;


procedure TAccess_OUP_ADB.Close;
begin
  FQuery.Free;
  FDatabase.Close;
  FDatabase.Free;
  Self.Free;
end;


procedure TAccess_OUP_ADB.UpdateListCache;
var
  i:     Integer;
  temps: String;
begin
  FQuery.SQL.Text := 'SELECT id,name,extension,[size],contenttype FROM datfiles ORDER BY id ASC;';
  FQuery.Open;
  SetLength(Fdat_files, FQuery.RecordCount);
  if FQuery.RecordCount > 0 then
  begin
    FQuery.First;
    i := 0;
    repeat
      Fdat_files[i].ID := FQuery.FieldByName('id').AsInteger;
      Fdat_files[i].Name := FQuery.FieldByName('name').AsString;
      Fdat_files[i].Extension := FQuery.FieldByName('extension').AsString;
      Fdat_files[i].Size := FQuery.FieldByName('size').AsInteger;
      Fdat_files[i].FileType := StrToInt('$'+FQuery.FieldByName('contenttype').AsString);
      Fdat_files[i].DatAddr := 0;
      Inc(i);
      FQuery.Next;
    until FQuery.EOF;
  end;
  FQuery.Close;

  FQuery.SQL.Text :=
    'SELECT extension,count(extension) AS x FROM datfiles GROUP BY extension ORDER BY extension ASC;';
  FQuery.Open;
  SetLength(Fdat_extensionsmap, FQuery.RecordCount);
  if FQuery.RecordCount > 0 then
  begin
    i := 0;
    repeat
      temps := FQuery.FieldByName('extension').AsString;
      Fdat_extensionsmap[i].Extension[3] := temps[1];
      Fdat_extensionsmap[i].Extension[2] := temps[2];
      Fdat_extensionsmap[i].Extension[1] := temps[3];
      Fdat_extensionsmap[i].Extension[0] := temps[4];
      Fdat_extensionsmap[i].ExtCount := FQuery.FieldByName('x').AsInteger;
      Inc(i);
      FQuery.Next;
    until FQuery.EOF;
  end;
  FQuery.Close;
end;


function TAccess_OUP_ADB.GetLinksToFile(FileID: Integer): TLinks;
var
  i: Integer;
begin
  SetLength(Result.ByName, 0);
  FQuery.SQL.Text := 'SELECT src_link_offset, src_id FROM linkmap WHERE target_id = ' + IntToStr(FileID) + ' ORDER BY src_id ASC;';
  FQuery.Open;
  SetLength(Result.ByID, FQuery.RecordCount);
  if FQuery.RecordCount > 0 then
  begin
    i := 0;
    repeat
      Result.ByID[i].SrcOffset := FQuery.FieldByName('src_link_offset').AsInteger;
      Result.ByID[i].Destination := FQuery.FieldByName('src_id').AsInteger;
      Inc(i);
      FQuery.Next;
    until FQuery.EOF;
  end;
  FQuery.Close;
end;


function TAccess_OUP_ADB.GetFileInfo(fileid: Integer): TFileInfo;
begin
  if fileid = -1 then
  begin
    Result := inherited GetFileInfo(fileid);
    Exit;
  end;
  if fileid < Self.GetFileCount then
    Result    := Fdat_files[fileid]
  else
    Result.ID := -1;
end;


  function CompareItems(List: TStringList; I1, I2: Integer): Integer;
  var
    s1, s2: String;
  begin
    s1 := MidStr(List[I1], 1, PosEx(';', List[I1], 6) - 1);
    s2 := MidStr(List[I2], 1, PosEx(';', List[I2], 6) - 1);
    Result := CompareStr(s1, s2);
  end;

function TAccess_OUP_ADB.GetFilesList(ext: String; pattern: String;
  NoEmptyFiles: Boolean; SortType: TSortType): TStrings;
var
  i:      Integer;
  list:   TStringList;
  id, name, extension: String;
  fields: TStrings;

  procedure getfields;
  begin
    fields.CommaText := StringReplace(AnsiQuotedStr(list.Strings[i], '"'), ';', '","', [rfReplaceAll]);
    if SortType in [ST_IDAsc, ST_IDDesc] then
    begin
      id := fields.Strings[0];
      name := fields.Strings[1];
      extension := fields.Strings[2];
    end;
    if SortType in [ST_NameAsc, ST_NameDesc] then
    begin
      id := fields.Strings[1];
      name := fields.Strings[0];
      extension := fields.Strings[2];
    end;
    if SortType in [ST_ExtAsc, ST_ExtDesc] then
    begin
      id := fields.Strings[1];
      name := fields.Strings[2];
      extension := fields.Strings[0];
    end;
    if SortType in [ST_ExtNameAsc, ST_ExtNameDesc] then
    begin
      id := fields.Strings[2];
      name := fields.Strings[1];
      extension := fields.Strings[0];
    end;
  end;

begin
  list := TStringList.Create;
  if SortType in [ST_ExtNameAsc, ST_ExtNameDesc] then
    list.Sorted := False
  else
    list.Sorted := True;
  for i := 0 to GetFileCount - 1 do
  begin
    if ((Length(ext) = 0) or (Pos(Fdat_files[i].Extension, ext) > 0)) and
      ((Length(pattern) = 0) or
      (Pos(UpperCase(pattern), UpperCase(Fdat_files[i].Name)) > 0)) then
    begin
      if (NoEmptyFiles = False) or ((Fdat_files[i].FileType and $02) = 0) then
      begin
        id := FormatNumber(Fdat_files[i].ID, 5, '0');
        name := Fdat_files[i].Name;
        extension := Fdat_files[i].Extension;

        case SortType of
          ST_IDAsc, ST_IDDesc:     list.Add(id + ';' + name + ';' + extension);
          ST_NameAsc, ST_NameDesc: list.Add(name + ';' + id + ';' + extension);
          ST_ExtAsc, ST_ExtDesc:   list.Add(extension + ';' + id + ';' + name);
          ST_ExtNameAsc, ST_ExtNameDesc: list.Add(extension + ';' + name + ';' + id);
        end;
      end;
    end;
  end;
  if SortType in [ST_ExtNameAsc, ST_ExtNameDesc] then
    list.CustomSort(CompareItems);
  if not Assigned(Result) then
    Result := TStringList.Create;
  if list.Count > 0 then
  begin
    fields := TStringList.Create;
    if SortType in [ST_IDAsc, ST_NameAsc, ST_ExtAsc, ST_ExtNameAsc] then
      for i := 0 to list.Count - 1 do
      begin
        getfields;
        Result.Add(id + '-' + name + '.' + extension);
      end
    else
      for i := list.Count - 1 downto 0 do
      begin
        getfields;
        Result.Add(id + '-' + name + '.' + extension);
      end;
    fields.Free;
  end;
  list.Free;
end;


function TAccess_OUP_ADB.GetFileCount: Integer;
begin
  Result := Length(Fdat_files);
end;


function TAccess_OUP_ADB.GetExtensionsList(ExtListFormat: TExtensionFormat): TStrings;
var
  i: Integer;
begin
  if not Assigned(Result) then
    Result := TStringList.Create;
  if Result is TStringList then
    TStringList(Result).Sorted := True;
  for i := 0 to Length(Fdat_extensionsmap) - 1 do
  begin
    with Fdat_extensionsmap[i] do
    begin
      case ExtListFormat of
        EF_ExtOnly:
          Result.Add(Extension[3] + Extension[2] + Extension[1] + Extension[0]);
        EF_ExtCount:
          Result.Add(Extension[3] + Extension[2] + Extension[1] + Extension[0] +
                ' (' + IntToStr(ExtCount) + ')');
      end;
    end;
  end;
end;


procedure TAccess_OUP_ADB.LoadDatFile(FileID: Integer; var Target: TStream);
var
  mem: TStream;
  streampos: Integer;
begin
  if fileid < GetFileCount then
  begin
    if not Assigned(Target) then
      Target := TMemoryStream.Create;

    streampos := Target.Position;

    FQuery.SQL.Text := 'SELECT data FROM datfiles WHERE id=' + IntToStr(fileid) + ';';
    FQuery.Open;
    if FQuery.RecordCount > 0 then
    begin
      mem := FQuery.CreateBlobStream(FQuery.FieldByName('data'), bmRead);
      mem.Seek(0, soFromBeginning);
      Target.CopyFrom(mem, mem.Size);
      mem.Free;
    end;
    FQuery.Close;

    Target.Seek(streampos, soFromBeginning);
  end;
end;

procedure TAccess_OUP_ADB.UpdateDatFile(FileID: Integer; Src: TStream);
var
  MimeCoder: TStringFormat_MIME64;
  mem: TMemoryStream;
begin
  if fileid < GetFileCount then
  begin
    mimecoder := TStringFormat_MIME64.Create;
    mem := TMemoryStream.Create;
    mem.CopyFrom(Src, Src.Size); 
    FQuery.SQL.Text := 'UPDATE datfiles SET data=MimeToBin("' +
      MimeCoder.StrTo(mem.Memory, mem.Size) + '"), size=' + IntToStr(mem.Size) +
      ' WHERE id=' + IntToStr(fileid) + ';';
    FQuery.ExecSQL;
    mem.Free;
    mimecoder.Free;
  end;
end;


procedure TAccess_OUP_ADB.LoadDatFilePart(FileID, Offset, Size: Integer; var Target: TStream);
var
  streampos: Integer;
  mem: TStream;
begin
  if fileid < GetFileCount then
  begin
    if not Assigned(Target) then
      Target := TMemoryStream.Create;
    streampos := Target.Position;

    FQuery.SQL.Text := 'SELECT data FROM datfiles WHERE id=' + IntToStr(fileid) + ';';
    FQuery.Open;
    if FQuery.RecordCount > 0 then
    begin
      mem := FQuery.CreateBlobStream(FQuery.FieldByName('data'), bmRead);
      mem.Seek(offset, soFromBeginning);
      Target.CopyFrom(mem, size);
      mem.Free;
    end;
    FQuery.Close;
    Target.Seek(streampos, soFromBeginning);
  end;
end;


procedure TAccess_OUP_ADB.UpdateDatFilePart(FileID, Offset, Size: Integer; Src: TStream);
var
  MimeCoder: TStringFormat_MIME64;
  mem:  TMemoryStream;
begin
  if fileid < GetFileCount then
  begin
    mem := nil;
    LoadDatFile(fileid, TStream(mem));
    mem.Seek(Offset, soFromBeginning);
    mem.CopyFrom(Src, Size);
    mem.Seek(0, soFromBeginning);
    mimecoder := TStringFormat_MIME64.Create;
    FQuery.SQL.Text := 'UPDATE datfiles SET data=MimeToBin("' +
      MimeCoder.StrTo(mem.Memory, mem.Size) + '") WHERE id=' + IntToStr(fileid) + ';';
    FQuery.ExecSQL;
    mem.Free;
    mimecoder.Free;
  end;
end;


function TAccess_OUP_ADB.GetDatLink(FileID, DatOffset: Integer): TDatLink;
begin
  Result := DatLinksManager.GetDatLink(FConnectionID, FileID, DatOffset);
  FQuery.SQL.Text := 'SELECT target_id FROM linkmap WHERE src_id = ' + IntToStr(FileID) + ' and src_link_offset = ' + IntToStr(DatOffset) + ';';
  FQuery.Open;
  if FQuery.RecordCount > 0 then
    Result.DestID := FQuery.FieldByName('target_id').AsInteger;
  FQuery.Close;
end;


function TAccess_OUP_ADB.GetDatLinks(FileID: Integer): TDatLinkList;
var
  i: Integer;
  SrcOffset, DestID: Integer;
begin
  Result := DatLinksManager.GetDatLinks(FConnectionID, FileID);
  if Length(Result) > 0 then
  begin
    FQuery.SQL.Text := 'SELECT src_link_offset, target_id FROM linkmap WHERE src_id = ' + IntToStr(FileID) + ' ORDER BY src_link_offset ASC;';
    FQuery.Open;
    if FQuery.RecordCount > 0 then
    begin
      repeat
        SrcOffset := FQuery.FieldByName('src_link_offset').AsInteger;
        DestID := FQuery.FieldByName('target_id').AsInteger;
        for i := 0 to High(Result) do
          if Result[i].SrcOffset = SrcOffset then
            Break;
        if i < Length(Result) then
          Result[i].DestID := DestID
        else
          Result[i].DestID := -1;
        FQuery.Next;
      until FQuery.EOF;
    end;
    FQuery.Close;
  end;
end;


function TAccess_OUP_ADB.GetRawList(FileID: Integer): TRawDataList;
var
  i: Integer;
begin
  SetLength(Result, 0);
  FQuery.SQL.Text := 'SELECT [src_link_offset],[size],[sep] FROM rawmap WHERE [src_id]=' +
    IntToStr(fileid) + ' ORDER BY src_link_offset ASC;';
  FQuery.Open;
  if FQuery.RecordCount > 0 then
  begin
    FQuery.First;
    SetLength(Result, FQuery.RecordCount);
    i := 0;
    repeat
      Result[i].SrcID     := fileid;
      Result[i].SrcOffset := FQuery.FieldByName('src_link_offset').AsInteger;
      Result[i].RawAddr   := 0;
      Result[i].RawSize   := FQuery.FieldByName('size').AsInteger;
      Result[i].LocSep    := FQuery.FieldByName('sep').AsBoolean;
      Inc(i);
      FQuery.Next;
    until FQuery.EOF;
  end;
  FQuery.Close;
end;


function TAccess_OUP_ADB.GetRawInfo(FileID, DatOffset: Integer): TRawDataInfo;
var
  i: Integer;
  rawlist: TRawDataList;
begin
  rawlist := GetRawList(FileID);
  if Length(rawlist) > 0 then
  begin
    for i := 0 to High(rawlist) do
      if rawlist[i].SrcOffset = DatOffset then
        Break;
    if i < Length(rawlist) then
      Result := rawlist[i]
    else begin
      Result.SrcID     := -1;
      Result.SrcOffset := -1;
      Result.RawAddr   := -1;
      Result.RawSize   := -1;
    end;
  end;
end;


procedure TAccess_OUP_ADB.LoadRawFile(FileID, DatOffset: Integer; var Target: TStream);
var
  mem: TStream;
  streampos: Integer;
begin
  if fileid < GetFileCount then
  begin
    if not Assigned(Target) then
      Target := TMemoryStream.Create;
    streampos := Target.Position;
    FQuery.SQL.Text := 'SELECT data FROM rawmap WHERE (src_id=' +
      IntToStr(FileID) + ') AND (src_link_offset=' + IntToStr(DatOffset) + ');';
    FQuery.Open;
    if FQuery.RecordCount > 0 then
    begin
      mem := FQuery.CreateBlobStream(FQuery.FieldByName('data'), bmRead);
      mem.Seek(0, soFromBeginning);
      Target.CopyFrom(mem, mem.Size);
      mem.Free;
    end;
    FQuery.Close;
    Target.Seek(streampos, soFromBeginning);
  end;
end;


procedure TAccess_OUP_ADB.UpdateRawFile(FileID, DatOffset: Integer; Src: TStream);
var
  MimeCoder: TStringFormat_MIME64;
  mem: TMemoryStream;
begin
  if fileid < GetFileCount then
  begin
    mimecoder := TStringFormat_MIME64.Create;
    mem := TMemoryStream.Create;
    mem.CopyFrom(Src, Src.Size);
    mem.Seek(0, soFromBeginning);
    FQuery.SQL.Text := 'UPDATE rawmap SET data=MimeToBin("' + MimeCoder.StrTo(
      mem.Memory, mem.Size) + '") WHERE (src_id=' + IntToStr(FileID) +
      ') AND (src_link_offset=' + IntToStr(DatOffset) + ');';
    FQuery.ExecSQL;
    mem.Free;
    mimecoder.Free;
  end;
end;


procedure TAccess_OUP_ADB.LoadRawFilePart(FileID, DatOffset, Offset, Size: Integer; var Target: TStream);
var
  mem:  TMemoryStream;
  streampos: Integer;
begin
  if fileid < GetFileCount then
  begin
    if not Assigned(Target) then
      Target := TMemoryStream.Create;
    streampos := Target.Position;
    mem := nil;
    LoadRawFile(FileID, DatOffset, TStream(mem));
    mem.Seek(Offset, soFromBeginning);
    Target.CopyFrom(mem, Size);
    mem.Free;
    Target.Seek(streampos, soFromBeginning);
  end;
end;


procedure TAccess_OUP_ADB.UpdateRawFilePart(FileID, DatOffset, Offset, Size: Integer; Src: TStream);
var
  MimeCoder: TStringFormat_MIME64;
  mem:  TMemoryStream;
begin
  if fileid < GetFileCount then
  begin
    mem := nil;
    LoadRawFile(fileid, offset, TStream(mem));
    mem.Seek(offset, soFromBeginning);
    mem.CopyFrom(Src, Size);
    mem.Seek(0, soFromBeginning);
    mimecoder := TStringFormat_MIME64.Create;
    FQuery.SQL.Text := 'UPDATE rawmap SET data=MimeToBin("' + MimeCoder.StrTo(
      mem.Memory, mem.Size) + '") WHERE (src_id=' + IntToStr(fileid) +
      ') AND (src_link_offset=' + IntToStr(DatOffset) + ');';
    FQuery.ExecSQL;
    mem.Free;
    mimecoder.Free;
  end;
end;


end.
Revision:	159
Committed:	Mon Apr 2 00:29:55 2007 UTC (18 years, 6 months ago) by alloc
Content type:	text/x-pascal
File size:	18514 byte(s)
Log Message:
#	Content
1	unit Access_OUP_ADB;
2	interface
3
4	uses DataAccess, ABSMain, TypeDefs, Classes;
5
6	type
7	TAccess_OUP_ADB = class(TDataAccess)
8	private
9	FDatabase: TABSDatabase;
10	FQuery: TABSQuery;
11	Fdat_files: TFiles;
12	Fdat_extensionsmap: TExtensionsMap;
13	protected
14	public
15	constructor Create(DBFilename: String; ConnectionID: Integer; var Msg: TStatusMessages); override;
16	procedure Close; override;
17
18	procedure UpdateListCache;
19
20	function GetLinksToFile(FileID: Integer): TLinks;
21
22	function GetFileInfo(FileID: Integer): TFileInfo; override;
23	function GetFilesList(Ext: String; Pattern: String;
24	NoEmptyFiles: Boolean; SortType: TSortType): TStrings; override;
25	function GetFileCount: Integer; override;
26	function GetExtensionsList(ExtListFormat: TExtensionFormat): TStrings; override;
27
28	procedure LoadDatFile(FileID: Integer; var Target: TStream); overload; override;
29	procedure UpdateDatFile(FileID: Integer; Src: TStream); overload; override;
30	procedure LoadDatFilePart(FileID, Offset, Size: Integer; var Target: TStream); overload; override;
31	procedure UpdateDatFilePart(FileID, Offset, Size: Integer; Src: TStream); overload; override;
32
33	function GetDatLinks(FileID: Integer): TDatLinkList; override;
34	function GetDatLink(FileID, DatOffset: Integer): TDatLink; override;
35	function GetRawList(FileID: Integer): TRawDataList; override;
36	function GetRawInfo(FileID, DatOffset: Integer): TRawDataInfo; override;
37
38	procedure LoadRawFile(FileID, DatOffset: Integer; var Target: TStream); overload; override;
39	procedure UpdateRawFile(FileID, DatOffset: Integer; Src: TStream); overload; override;
40	procedure LoadRawFilePart(FileID, DatOffset, Offset, Size: Integer; var Target: TStream); overload; override;
41	procedure UpdateRawFilePart(FileID, DatOffset, Offset, Size: Integer; Src: TStream); overload; override;
42	published
43	end;
44
45
46	implementation
47
48	uses
49	SysUtils, Data, Functions, ABSDecUtil, DB, DatLinks, StrUtils;
50
51
52	(*
53	================================================================================
54	Implementation of TOniDataADB
55	*)
56
57
58	constructor TAccess_OUP_ADB.Create(DBFilename: String; ConnectionID: Integer; var Msg: TStatusMessages);
59	begin
60	Msg := SM_UnknownError;
61	if not FileExists(DBFilename) then
62	begin
63	Msg := SM_FileNotFound;
64	Exit;
65	end;
66	FFileName := DBFilename;
67
68	FDatabase := TABSDatabase.Create(nil);
69	FDatabase.Exclusive := True;
70	FDatabase.MultiUser := False;
71	FDatabase.DatabaseName := 'OLDBcon' + IntToStr(ConnectionID);
72	FDatabase.DatabaseFileName := DBFilename;
73	FDatabase.Open;
74	FQuery := TABSQuery.Create(FDatabase);
75	FQuery.DisableControls;
76	FQuery.RequestLive := False;
77	FQuery.DatabaseName := 'OLDBcon' + IntToStr(ConnectionID);
78	FQuery.SQL.Text := 'SELECT [name],[value] FROM globals ORDER BY [name] ASC';
79	FQuery.Open;
80	FQuery.First;
81	repeat
82	if FQuery.FieldByName('name').AsString = 'dbversion' then
83	begin
84	if FQuery.FieldByName('value').AsString <> DBversion then
85	begin
86	Msg := SM_IncompatibleDBVersion;
87	FQuery.Close;
88	Exit;
89	end;
90	end;
91	if FQuery.FieldByName('name').AsString = 'lvl' then
92	FLevelNumber := StrToInt(FQuery.FieldByName('value').AsString);
93	if FQuery.FieldByName('name').AsString = 'DataOS' then
94	begin
95	if FQuery.FieldByName('value').AsString = 'WIN' then
96	FDataOS := DOS_WIN
97	else if FQuery.FieldByName('value').AsString = 'WINDEMO' then
98	FDataOS := DOS_WINDEMO
99	else if FQuery.FieldByName('value').AsString = 'MAC' then
100	FDataOS := DOS_MAC
101	else if FQuery.FieldByName('value').AsString = 'MACBETA' then
102	FDataOS := DOS_MACBETA;
103	end;
104	FQuery.Next;
105	until FQuery.EOF;
106	FQuery.Close;
107
108	Msg := SM_OK;
109	FBackend := DB_ADB;
110
111	FConnectionID := ConnectionID;
112	FChangeRights := [CR_EditDat, CR_EditRaw, CR_ResizeDat, CR_ResizeRaw];
113
114	UpdateListCache;
115	end;
116
117
118
119
120	procedure TAccess_OUP_ADB.Close;
121	begin
122	FQuery.Free;
123	FDatabase.Close;
124	FDatabase.Free;
125	Self.Free;
126	end;
127
128
129
130	procedure TAccess_OUP_ADB.UpdateListCache;
131	var
132	i: Integer;
133	temps: String;
134	begin
135	FQuery.SQL.Text := 'SELECT id,name,extension,[size],contenttype FROM datfiles ORDER BY id ASC;';
136	FQuery.Open;
137	SetLength(Fdat_files, FQuery.RecordCount);
138	if FQuery.RecordCount > 0 then
139	begin
140	FQuery.First;
141	i := 0;
142	repeat
143	Fdat_files[i].ID := FQuery.FieldByName('id').AsInteger;
144	Fdat_files[i].Name := FQuery.FieldByName('name').AsString;
145	Fdat_files[i].Extension := FQuery.FieldByName('extension').AsString;
146	Fdat_files[i].Size := FQuery.FieldByName('size').AsInteger;
147	Fdat_files[i].FileType := StrToInt('$'+FQuery.FieldByName('contenttype').AsString);
148	Fdat_files[i].DatAddr := 0;
149	Inc(i);
150	FQuery.Next;
151	until FQuery.EOF;
152	end;
153	FQuery.Close;
154
155	FQuery.SQL.Text :=
156	'SELECT extension,count(extension) AS x FROM datfiles GROUP BY extension ORDER BY extension ASC;';
157	FQuery.Open;
158	SetLength(Fdat_extensionsmap, FQuery.RecordCount);
159	if FQuery.RecordCount > 0 then
160	begin
161	i := 0;
162	repeat
163	temps := FQuery.FieldByName('extension').AsString;
164	Fdat_extensionsmap[i].Extension[3] := temps[1];
165	Fdat_extensionsmap[i].Extension[2] := temps[2];
166	Fdat_extensionsmap[i].Extension[1] := temps[3];
167	Fdat_extensionsmap[i].Extension[0] := temps[4];
168	Fdat_extensionsmap[i].ExtCount := FQuery.FieldByName('x').AsInteger;
169	Inc(i);
170	FQuery.Next;
171	until FQuery.EOF;
172	end;
173	FQuery.Close;
174	end;
175
176
177
178	function TAccess_OUP_ADB.GetLinksToFile(FileID: Integer): TLinks;
179	var
180	i: Integer;
181	begin
182	SetLength(Result.ByName, 0);
183	FQuery.SQL.Text := 'SELECT src_link_offset, src_id FROM linkmap WHERE target_id = ' + IntToStr(FileID) + ' ORDER BY src_id ASC;';
184	FQuery.Open;
185	SetLength(Result.ByID, FQuery.RecordCount);
186	if FQuery.RecordCount > 0 then
187	begin
188	i := 0;
189	repeat
190	Result.ByID[i].SrcOffset := FQuery.FieldByName('src_link_offset').AsInteger;
191	Result.ByID[i].Destination := FQuery.FieldByName('src_id').AsInteger;
192	Inc(i);
193	FQuery.Next;
194	until FQuery.EOF;
195	end;
196	FQuery.Close;
197	end;
198
199
200
201	function TAccess_OUP_ADB.GetFileInfo(fileid: Integer): TFileInfo;
202	begin
203	if fileid = -1 then
204	begin
205	Result := inherited GetFileInfo(fileid);
206	Exit;
207	end;
208	if fileid < Self.GetFileCount then
209	Result := Fdat_files[fileid]
210	else
211	Result.ID := -1;
212	end;
213
214
215
216	function CompareItems(List: TStringList; I1, I2: Integer): Integer;
217	var
218	s1, s2: String;
219	begin
220	s1 := MidStr(List[I1], 1, PosEx(';', List[I1], 6) - 1);
221	s2 := MidStr(List[I2], 1, PosEx(';', List[I2], 6) - 1);
222	Result := CompareStr(s1, s2);
223	end;
224
225	function TAccess_OUP_ADB.GetFilesList(ext: String; pattern: String;
226	NoEmptyFiles: Boolean; SortType: TSortType): TStrings;
227	var
228	i: Integer;
229	list: TStringList;
230	id, name, extension: String;
231	fields: TStrings;
232
233	procedure getfields;
234	begin
235	fields.CommaText := StringReplace(AnsiQuotedStr(list.Strings[i], '"'), ';', '","', [rfReplaceAll]);
236	if SortType in [ST_IDAsc, ST_IDDesc] then
237	begin
238	id := fields.Strings[0];
239	name := fields.Strings[1];
240	extension := fields.Strings[2];
241	end;
242	if SortType in [ST_NameAsc, ST_NameDesc] then
243	begin
244	id := fields.Strings[1];
245	name := fields.Strings[0];
246	extension := fields.Strings[2];
247	end;
248	if SortType in [ST_ExtAsc, ST_ExtDesc] then
249	begin
250	id := fields.Strings[1];
251	name := fields.Strings[2];
252	extension := fields.Strings[0];
253	end;
254	if SortType in [ST_ExtNameAsc, ST_ExtNameDesc] then
255	begin
256	id := fields.Strings[2];
257	name := fields.Strings[1];
258	extension := fields.Strings[0];
259	end;
260	end;
261
262	begin
263	list := TStringList.Create;
264	if SortType in [ST_ExtNameAsc, ST_ExtNameDesc] then
265	list.Sorted := False
266	else
267	list.Sorted := True;
268	for i := 0 to GetFileCount - 1 do
269	begin
270	if ((Length(ext) = 0) or (Pos(Fdat_files[i].Extension, ext) > 0)) and
271	((Length(pattern) = 0) or
272	(Pos(UpperCase(pattern), UpperCase(Fdat_files[i].Name)) > 0)) then
273	begin
274	if (NoEmptyFiles = False) or ((Fdat_files[i].FileType and $02) = 0) then
275	begin
276	id := FormatNumber(Fdat_files[i].ID, 5, '0');
277	name := Fdat_files[i].Name;
278	extension := Fdat_files[i].Extension;
279
280	case SortType of
281	ST_IDAsc, ST_IDDesc: list.Add(id + ';' + name + ';' + extension);
282	ST_NameAsc, ST_NameDesc: list.Add(name + ';' + id + ';' + extension);
283	ST_ExtAsc, ST_ExtDesc: list.Add(extension + ';' + id + ';' + name);
284	ST_ExtNameAsc, ST_ExtNameDesc: list.Add(extension + ';' + name + ';' + id);
285	end;
286	end;
287	end;
288	end;
289	if SortType in [ST_ExtNameAsc, ST_ExtNameDesc] then
290	list.CustomSort(CompareItems);
291	if not Assigned(Result) then
292	Result := TStringList.Create;
293	if list.Count > 0 then
294	begin
295	fields := TStringList.Create;
296	if SortType in [ST_IDAsc, ST_NameAsc, ST_ExtAsc, ST_ExtNameAsc] then
297	for i := 0 to list.Count - 1 do
298	begin
299	getfields;
300	Result.Add(id + '-' + name + '.' + extension);
301	end
302	else
303	for i := list.Count - 1 downto 0 do
304	begin
305	getfields;
306	Result.Add(id + '-' + name + '.' + extension);
307	end;
308	fields.Free;
309	end;
310	list.Free;
311	end;
312
313
314
315
316	function TAccess_OUP_ADB.GetFileCount: Integer;
317	begin
318	Result := Length(Fdat_files);
319	end;
320
321
322	function TAccess_OUP_ADB.GetExtensionsList(ExtListFormat: TExtensionFormat): TStrings;
323	var
324	i: Integer;
325	begin
326	if not Assigned(Result) then
327	Result := TStringList.Create;
328	if Result is TStringList then
329	TStringList(Result).Sorted := True;
330	for i := 0 to Length(Fdat_extensionsmap) - 1 do
331	begin
332	with Fdat_extensionsmap[i] do
333	begin
334	case ExtListFormat of
335	EF_ExtOnly:
336	Result.Add(Extension[3] + Extension[2] + Extension[1] + Extension[0]);
337	EF_ExtCount:
338	Result.Add(Extension[3] + Extension[2] + Extension[1] + Extension[0] +
339	' (' + IntToStr(ExtCount) + ')');
340	end;
341	end;
342	end;
343	end;
344
345
346	procedure TAccess_OUP_ADB.LoadDatFile(FileID: Integer; var Target: TStream);
347	var
348	mem: TStream;
349	streampos: Integer;
350	begin
351	if fileid < GetFileCount then
352	begin
353	if not Assigned(Target) then
354	Target := TMemoryStream.Create;
355
356	streampos := Target.Position;
357
358	FQuery.SQL.Text := 'SELECT data FROM datfiles WHERE id=' + IntToStr(fileid) + ';';
359	FQuery.Open;
360	if FQuery.RecordCount > 0 then
361	begin
362	mem := FQuery.CreateBlobStream(FQuery.FieldByName('data'), bmRead);
363	mem.Seek(0, soFromBeginning);
364	Target.CopyFrom(mem, mem.Size);
365	mem.Free;
366	end;
367	FQuery.Close;
368
369	Target.Seek(streampos, soFromBeginning);
370	end;
371	end;
372
373	procedure TAccess_OUP_ADB.UpdateDatFile(FileID: Integer; Src: TStream);
374	var
375	MimeCoder: TStringFormat_MIME64;
376	mem: TMemoryStream;
377	begin
378	if fileid < GetFileCount then
379	begin
380	mimecoder := TStringFormat_MIME64.Create;
381	mem := TMemoryStream.Create;
382	mem.CopyFrom(Src, Src.Size);
383	FQuery.SQL.Text := 'UPDATE datfiles SET data=MimeToBin("' +
384	MimeCoder.StrTo(mem.Memory, mem.Size) + '"), size=' + IntToStr(mem.Size) +
385	' WHERE id=' + IntToStr(fileid) + ';';
386	FQuery.ExecSQL;
387	mem.Free;
388	mimecoder.Free;
389	end;
390	end;
391
392
393
394	procedure TAccess_OUP_ADB.LoadDatFilePart(FileID, Offset, Size: Integer; var Target: TStream);
395	var
396	streampos: Integer;
397	mem: TStream;
398	begin
399	if fileid < GetFileCount then
400	begin
401	if not Assigned(Target) then
402	Target := TMemoryStream.Create;
403	streampos := Target.Position;
404
405	FQuery.SQL.Text := 'SELECT data FROM datfiles WHERE id=' + IntToStr(fileid) + ';';
406	FQuery.Open;
407	if FQuery.RecordCount > 0 then
408	begin
409	mem := FQuery.CreateBlobStream(FQuery.FieldByName('data'), bmRead);
410	mem.Seek(offset, soFromBeginning);
411	Target.CopyFrom(mem, size);
412	mem.Free;
413	end;
414	FQuery.Close;
415	Target.Seek(streampos, soFromBeginning);
416	end;
417	end;
418
419
420
421	procedure TAccess_OUP_ADB.UpdateDatFilePart(FileID, Offset, Size: Integer; Src: TStream);
422	var
423	MimeCoder: TStringFormat_MIME64;
424	mem: TMemoryStream;
425	begin
426	if fileid < GetFileCount then
427	begin
428	mem := nil;
429	LoadDatFile(fileid, TStream(mem));
430	mem.Seek(Offset, soFromBeginning);
431	mem.CopyFrom(Src, Size);
432	mem.Seek(0, soFromBeginning);
433	mimecoder := TStringFormat_MIME64.Create;
434	FQuery.SQL.Text := 'UPDATE datfiles SET data=MimeToBin("' +
435	MimeCoder.StrTo(mem.Memory, mem.Size) + '") WHERE id=' + IntToStr(fileid) + ';';
436	FQuery.ExecSQL;
437	mem.Free;
438	mimecoder.Free;
439	end;
440	end;
441
442
443
444	function TAccess_OUP_ADB.GetDatLink(FileID, DatOffset: Integer): TDatLink;
445	begin
446	Result := DatLinksManager.GetDatLink(FConnectionID, FileID, DatOffset);
447	FQuery.SQL.Text := 'SELECT target_id FROM linkmap WHERE src_id = ' + IntToStr(FileID) + ' and src_link_offset = ' + IntToStr(DatOffset) + ';';
448	FQuery.Open;
449	if FQuery.RecordCount > 0 then
450	Result.DestID := FQuery.FieldByName('target_id').AsInteger;
451	FQuery.Close;
452	end;
453
454
455	function TAccess_OUP_ADB.GetDatLinks(FileID: Integer): TDatLinkList;
456	var
457	i: Integer;
458	SrcOffset, DestID: Integer;
459	begin
460	Result := DatLinksManager.GetDatLinks(FConnectionID, FileID);
461	if Length(Result) > 0 then
462	begin
463	FQuery.SQL.Text := 'SELECT src_link_offset, target_id FROM linkmap WHERE src_id = ' + IntToStr(FileID) + ' ORDER BY src_link_offset ASC;';
464	FQuery.Open;
465	if FQuery.RecordCount > 0 then
466	begin
467	repeat
468	SrcOffset := FQuery.FieldByName('src_link_offset').AsInteger;
469	DestID := FQuery.FieldByName('target_id').AsInteger;
470	for i := 0 to High(Result) do
471	if Result[i].SrcOffset = SrcOffset then
472	Break;
473	if i < Length(Result) then
474	Result[i].DestID := DestID
475	else
476	Result[i].DestID := -1;
477	FQuery.Next;
478	until FQuery.EOF;
479	end;
480	FQuery.Close;
481	end;
482	end;
483
484
485	function TAccess_OUP_ADB.GetRawList(FileID: Integer): TRawDataList;
486	var
487	i: Integer;
488	begin
489	SetLength(Result, 0);
490	FQuery.SQL.Text := 'SELECT [src_link_offset],[size],[sep] FROM rawmap WHERE [src_id]=' +
491	IntToStr(fileid) + ' ORDER BY src_link_offset ASC;';
492	FQuery.Open;
493	if FQuery.RecordCount > 0 then
494	begin
495	FQuery.First;
496	SetLength(Result, FQuery.RecordCount);
497	i := 0;
498	repeat
499	Result[i].SrcID := fileid;
500	Result[i].SrcOffset := FQuery.FieldByName('src_link_offset').AsInteger;
501	Result[i].RawAddr := 0;
502	Result[i].RawSize := FQuery.FieldByName('size').AsInteger;
503	Result[i].LocSep := FQuery.FieldByName('sep').AsBoolean;
504	Inc(i);
505	FQuery.Next;
506	until FQuery.EOF;
507	end;
508	FQuery.Close;
509	end;
510
511
512	function TAccess_OUP_ADB.GetRawInfo(FileID, DatOffset: Integer): TRawDataInfo;
513	var
514	i: Integer;
515	rawlist: TRawDataList;
516	begin
517	rawlist := GetRawList(FileID);
518	if Length(rawlist) > 0 then
519	begin
520	for i := 0 to High(rawlist) do
521	if rawlist[i].SrcOffset = DatOffset then
522	Break;
523	if i < Length(rawlist) then
524	Result := rawlist[i]
525	else begin
526	Result.SrcID := -1;
527	Result.SrcOffset := -1;
528	Result.RawAddr := -1;
529	Result.RawSize := -1;
530	end;
531	end;
532	end;
533
534
535
536	procedure TAccess_OUP_ADB.LoadRawFile(FileID, DatOffset: Integer; var Target: TStream);
537	var
538	mem: TStream;
539	streampos: Integer;
540	begin
541	if fileid < GetFileCount then
542	begin
543	if not Assigned(Target) then
544	Target := TMemoryStream.Create;
545	streampos := Target.Position;
546	FQuery.SQL.Text := 'SELECT data FROM rawmap WHERE (src_id=' +
547	IntToStr(FileID) + ') AND (src_link_offset=' + IntToStr(DatOffset) + ');';
548	FQuery.Open;
549	if FQuery.RecordCount > 0 then
550	begin
551	mem := FQuery.CreateBlobStream(FQuery.FieldByName('data'), bmRead);
552	mem.Seek(0, soFromBeginning);
553	Target.CopyFrom(mem, mem.Size);
554	mem.Free;
555	end;
556	FQuery.Close;
557	Target.Seek(streampos, soFromBeginning);
558	end;
559	end;
560
561
562	procedure TAccess_OUP_ADB.UpdateRawFile(FileID, DatOffset: Integer; Src: TStream);
563	var
564	MimeCoder: TStringFormat_MIME64;
565	mem: TMemoryStream;
566	begin
567	if fileid < GetFileCount then
568	begin
569	mimecoder := TStringFormat_MIME64.Create;
570	mem := TMemoryStream.Create;
571	mem.CopyFrom(Src, Src.Size);
572	mem.Seek(0, soFromBeginning);
573	FQuery.SQL.Text := 'UPDATE rawmap SET data=MimeToBin("' + MimeCoder.StrTo(
574	mem.Memory, mem.Size) + '") WHERE (src_id=' + IntToStr(FileID) +
575	') AND (src_link_offset=' + IntToStr(DatOffset) + ');';
576	FQuery.ExecSQL;
577	mem.Free;
578	mimecoder.Free;
579	end;
580	end;
581
582
583
584
585	procedure TAccess_OUP_ADB.LoadRawFilePart(FileID, DatOffset, Offset, Size: Integer; var Target: TStream);
586	var
587	mem: TMemoryStream;
588	streampos: Integer;
589	begin
590	if fileid < GetFileCount then
591	begin
592	if not Assigned(Target) then
593	Target := TMemoryStream.Create;
594	streampos := Target.Position;
595	mem := nil;
596	LoadRawFile(FileID, DatOffset, TStream(mem));
597	mem.Seek(Offset, soFromBeginning);
598	Target.CopyFrom(mem, Size);
599	mem.Free;
600	Target.Seek(streampos, soFromBeginning);
601	end;
602	end;
603
604
605
606
607	procedure TAccess_OUP_ADB.UpdateRawFilePart(FileID, DatOffset, Offset, Size: Integer; Src: TStream);
608	var
609	MimeCoder: TStringFormat_MIME64;
610	mem: TMemoryStream;
611	begin
612	if fileid < GetFileCount then
613	begin
614	mem := nil;
615	LoadRawFile(fileid, offset, TStream(mem));
616	mem.Seek(offset, soFromBeginning);
617	mem.CopyFrom(Src, Size);
618	mem.Seek(0, soFromBeginning);
619	mimecoder := TStringFormat_MIME64.Create;
620	FQuery.SQL.Text := 'UPDATE rawmap SET data=MimeToBin("' + MimeCoder.StrTo(
621	mem.Memory, mem.Size) + '") WHERE (src_id=' + IntToStr(fileid) +
622	') AND (src_link_offset=' + IntToStr(DatOffset) + ');';
623	FQuery.ExecSQL;
624	mem.Free;
625	mimecoder.Free;
626	end;
627	end;
628
629
630
631
632	end.