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;


(*
================================================================================
                     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 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;
  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 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:	136
Committed:	Thu Mar 29 14:20:25 2007 UTC (18 years, 6 months ago) by alloc
Content type:	text/x-pascal
File size:	18049 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;
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
217	function TAccess_OUP_ADB.GetFilesList(ext: String; pattern: String;
218	NoEmptyFiles: Boolean; SortType: TSortType): TStrings;
219	var
220	i: Integer;
221	list: TStringList;
222	id, name, extension: String;
223	fields: TStrings;
224
225	procedure getfields;
226	begin
227	fields.CommaText := StringReplace(AnsiQuotedStr(list.Strings[i], '"'), ';', '","', [rfReplaceAll]);
228	if SortType in [ST_IDAsc, ST_IDDesc] then
229	begin
230	id := fields.Strings[0];
231	name := fields.Strings[1];
232	extension := fields.Strings[2];
233	end;
234	if SortType in [ST_NameAsc, ST_NameDesc] then
235	begin
236	id := fields.Strings[1];
237	name := fields.Strings[0];
238	extension := fields.Strings[2];
239	end;
240	if SortType in [ST_ExtAsc, ST_ExtDesc] then
241	begin
242	id := fields.Strings[1];
243	name := fields.Strings[2];
244	extension := fields.Strings[0];
245	end;
246	if SortType in [ST_ExtNameAsc, ST_ExtNameDesc] then
247	begin
248	id := fields.Strings[2];
249	name := fields.Strings[1];
250	extension := fields.Strings[0];
251	end;
252	end;
253
254	begin
255	list := TStringList.Create;
256	list.Sorted := True;
257	for i := 0 to GetFileCount - 1 do
258	begin
259	if ((Length(ext) = 0) or (Pos(Fdat_files[i].Extension, ext) > 0)) and
260	((Length(pattern) = 0) or
261	(Pos(UpperCase(pattern), UpperCase(Fdat_files[i].Name)) > 0)) then
262	begin
263	if (NoEmptyFiles = False) or ((Fdat_files[i].FileType and $02) = 0) then
264	begin
265	id := FormatNumber(Fdat_files[i].ID, 5, '0');
266	name := Fdat_files[i].Name;
267	extension := Fdat_files[i].Extension;
268
269	case SortType of
270	ST_IDAsc, ST_IDDesc: list.Add(id + ';' + name + ';' + extension);
271	ST_NameAsc, ST_NameDesc: list.Add(name + ';' + id + ';' + extension);
272	ST_ExtAsc, ST_ExtDesc: list.Add(extension + ';' + id + ';' + name);
273	ST_ExtNameAsc, ST_ExtNameDesc: list.Add(extension + ';' + name + ';' + id);
274	end;
275	end;
276	end;
277	end;
278	if not Assigned(Result) then
279	Result := TStringList.Create;
280	if list.Count > 0 then
281	begin
282	fields := TStringList.Create;
283	if SortType in [ST_IDAsc, ST_NameAsc, ST_ExtAsc, ST_ExtNameAsc] then
284	for i := 0 to list.Count - 1 do
285	begin
286	getfields;
287	Result.Add(id + '-' + name + '.' + extension);
288	end
289	else
290	for i := list.Count - 1 downto 0 do
291	begin
292	getfields;
293	Result.Add(id + '-' + name + '.' + extension);
294	end;
295	fields.Free;
296	end;
297	list.Free;
298	end;
299
300
301
302
303	function TAccess_OUP_ADB.GetFileCount: Integer;
304	begin
305	Result := Length(Fdat_files);
306	end;
307
308
309	function TAccess_OUP_ADB.GetExtensionsList(ExtListFormat: TExtensionFormat): TStrings;
310	var
311	i: Integer;
312	begin
313	if not Assigned(Result) then
314	Result := TStringList.Create;
315	if Result is TStringList then
316	TStringList(Result).Sorted := True;
317	for i := 0 to Length(Fdat_extensionsmap) - 1 do
318	begin
319	with Fdat_extensionsmap[i] do
320	begin
321	case ExtListFormat of
322	EF_ExtOnly:
323	Result.Add(Extension[3] + Extension[2] + Extension[1] + Extension[0]);
324	EF_ExtCount:
325	Result.Add(Extension[3] + Extension[2] + Extension[1] + Extension[0] +
326	' (' + IntToStr(ExtCount) + ')');
327	end;
328	end;
329	end;
330	end;
331
332
333	procedure TAccess_OUP_ADB.LoadDatFile(FileID: Integer; var Target: TStream);
334	var
335	mem: TStream;
336	streampos: Integer;
337	begin
338	if fileid < GetFileCount then
339	begin
340	if not Assigned(Target) then
341	Target := TMemoryStream.Create;
342
343	streampos := Target.Position;
344
345	FQuery.SQL.Text := 'SELECT data FROM datfiles WHERE id=' + IntToStr(fileid) + ';';
346	FQuery.Open;
347	if FQuery.RecordCount > 0 then
348	begin
349	mem := FQuery.CreateBlobStream(FQuery.FieldByName('data'), bmRead);
350	mem.Seek(0, soFromBeginning);
351	Target.CopyFrom(mem, mem.Size);
352	mem.Free;
353	end;
354	FQuery.Close;
355
356	Target.Seek(streampos, soFromBeginning);
357	end;
358	end;
359
360	procedure TAccess_OUP_ADB.UpdateDatFile(FileID: Integer; Src: TStream);
361	var
362	MimeCoder: TStringFormat_MIME64;
363	mem: TMemoryStream;
364	begin
365	if fileid < GetFileCount then
366	begin
367	mimecoder := TStringFormat_MIME64.Create;
368	mem := TMemoryStream.Create;
369	mem.CopyFrom(Src, Src.Size);
370	FQuery.SQL.Text := 'UPDATE datfiles SET data=MimeToBin("' +
371	MimeCoder.StrTo(mem.Memory, mem.Size) + '"), size=' + IntToStr(mem.Size) +
372	' WHERE id=' + IntToStr(fileid) + ';';
373	FQuery.ExecSQL;
374	mem.Free;
375	mimecoder.Free;
376	end;
377	end;
378
379
380
381	procedure TAccess_OUP_ADB.LoadDatFilePart(FileID, Offset, Size: Integer; var Target: TStream);
382	var
383	streampos: Integer;
384	mem: TStream;
385	begin
386	if fileid < GetFileCount then
387	begin
388	if not Assigned(Target) then
389	Target := TMemoryStream.Create;
390	streampos := Target.Position;
391
392	FQuery.SQL.Text := 'SELECT data FROM datfiles WHERE id=' + IntToStr(fileid) + ';';
393	FQuery.Open;
394	if FQuery.RecordCount > 0 then
395	begin
396	mem := FQuery.CreateBlobStream(FQuery.FieldByName('data'), bmRead);
397	mem.Seek(offset, soFromBeginning);
398	Target.CopyFrom(mem, size);
399	mem.Free;
400	end;
401	FQuery.Close;
402	Target.Seek(streampos, soFromBeginning);
403	end;
404	end;
405
406
407
408	procedure TAccess_OUP_ADB.UpdateDatFilePart(FileID, Offset, Size: Integer; Src: TStream);
409	var
410	MimeCoder: TStringFormat_MIME64;
411	mem: TMemoryStream;
412	begin
413	if fileid < GetFileCount then
414	begin
415	mem := nil;
416	LoadDatFile(fileid, TStream(mem));
417	mem.Seek(Offset, soFromBeginning);
418	mem.CopyFrom(Src, Size);
419	mem.Seek(0, soFromBeginning);
420	mimecoder := TStringFormat_MIME64.Create;
421	FQuery.SQL.Text := 'UPDATE datfiles SET data=MimeToBin("' +
422	MimeCoder.StrTo(mem.Memory, mem.Size) + '") WHERE id=' + IntToStr(fileid) + ';';
423	FQuery.ExecSQL;
424	mem.Free;
425	mimecoder.Free;
426	end;
427	end;
428
429
430
431	function TAccess_OUP_ADB.GetDatLink(FileID, DatOffset: Integer): TDatLink;
432	begin
433	Result := DatLinksManager.GetDatLink(FConnectionID, FileID, DatOffset);
434	FQuery.SQL.Text := 'SELECT target_id FROM linkmap WHERE src_id = ' + IntToStr(FileID) + ' and src_link_offset = ' + IntToStr(DatOffset) + ';';
435	FQuery.Open;
436	if FQuery.RecordCount > 0 then
437	Result.DestID := FQuery.FieldByName('target_id').AsInteger;
438	FQuery.Close;
439	end;
440
441
442	function TAccess_OUP_ADB.GetDatLinks(FileID: Integer): TDatLinkList;
443	var
444	i: Integer;
445	SrcOffset, DestID: Integer;
446	begin
447	Result := DatLinksManager.GetDatLinks(FConnectionID, FileID);
448	if Length(Result) > 0 then
449	begin
450	FQuery.SQL.Text := 'SELECT src_link_offset, target_id FROM linkmap WHERE src_id = ' + IntToStr(FileID) + ' ORDER BY src_link_offset ASC;';
451	FQuery.Open;
452	if FQuery.RecordCount > 0 then
453	begin
454	repeat
455	SrcOffset := FQuery.FieldByName('src_link_offset').AsInteger;
456	DestID := FQuery.FieldByName('target_id').AsInteger;
457	for i := 0 to High(Result) do
458	if Result[i].SrcOffset = SrcOffset then
459	Break;
460	if i < Length(Result) then
461	Result[i].DestID := DestID
462	else
463	Result[i].DestID := -1;
464	FQuery.Next;
465	until FQuery.EOF;
466	end;
467	FQuery.Close;
468	end;
469	end;
470
471
472	function TAccess_OUP_ADB.GetRawList(FileID: Integer): TRawDataList;
473	var
474	i: Integer;
475	begin
476	SetLength(Result, 0);
477	FQuery.SQL.Text := 'SELECT [src_link_offset],[size],[sep] FROM rawmap WHERE [src_id]=' +
478	IntToStr(fileid) + ' ORDER BY src_link_offset ASC;';
479	FQuery.Open;
480	if FQuery.RecordCount > 0 then
481	begin
482	FQuery.First;
483	SetLength(Result, FQuery.RecordCount);
484	i := 0;
485	repeat
486	Result[i].SrcID := fileid;
487	Result[i].SrcOffset := FQuery.FieldByName('src_link_offset').AsInteger;
488	Result[i].RawAddr := 0;
489	Result[i].RawSize := FQuery.FieldByName('size').AsInteger;
490	Result[i].LocSep := FQuery.FieldByName('sep').AsBoolean;
491	Inc(i);
492	FQuery.Next;
493	until FQuery.EOF;
494	end;
495	FQuery.Close;
496	end;
497
498
499	function TAccess_OUP_ADB.GetRawInfo(FileID, DatOffset: Integer): TRawDataInfo;
500	var
501	i: Integer;
502	rawlist: TRawDataList;
503	begin
504	rawlist := GetRawList(FileID);
505	if Length(rawlist) > 0 then
506	begin
507	for i := 0 to High(rawlist) do
508	if rawlist[i].SrcOffset = DatOffset then
509	Break;
510	if i < Length(rawlist) then
511	Result := rawlist[i]
512	else begin
513	Result.SrcID := -1;
514	Result.SrcOffset := -1;
515	Result.RawAddr := -1;
516	Result.RawSize := -1;
517	end;
518	end;
519	end;
520
521
522
523	procedure TAccess_OUP_ADB.LoadRawFile(FileID, DatOffset: Integer; var Target: TStream);
524	var
525	mem: TStream;
526	streampos: Integer;
527	begin
528	if fileid < GetFileCount then
529	begin
530	if not Assigned(Target) then
531	Target := TMemoryStream.Create;
532	streampos := Target.Position;
533	FQuery.SQL.Text := 'SELECT data FROM rawmap WHERE (src_id=' +
534	IntToStr(FileID) + ') AND (src_link_offset=' + IntToStr(DatOffset) + ');';
535	FQuery.Open;
536	if FQuery.RecordCount > 0 then
537	begin
538	mem := FQuery.CreateBlobStream(FQuery.FieldByName('data'), bmRead);
539	mem.Seek(0, soFromBeginning);
540	Target.CopyFrom(mem, mem.Size);
541	mem.Free;
542	end;
543	FQuery.Close;
544	Target.Seek(streampos, soFromBeginning);
545	end;
546	end;
547
548
549	procedure TAccess_OUP_ADB.UpdateRawFile(FileID, DatOffset: Integer; Src: TStream);
550	var
551	MimeCoder: TStringFormat_MIME64;
552	mem: TMemoryStream;
553	begin
554	if fileid < GetFileCount then
555	begin
556	mimecoder := TStringFormat_MIME64.Create;
557	mem := TMemoryStream.Create;
558	mem.CopyFrom(Src, Src.Size);
559	mem.Seek(0, soFromBeginning);
560	FQuery.SQL.Text := 'UPDATE rawmap SET data=MimeToBin("' + MimeCoder.StrTo(
561	mem.Memory, mem.Size) + '") WHERE (src_id=' + IntToStr(FileID) +
562	') AND (src_link_offset=' + IntToStr(DatOffset) + ');';
563	FQuery.ExecSQL;
564	mem.Free;
565	mimecoder.Free;
566	end;
567	end;
568
569
570
571
572	procedure TAccess_OUP_ADB.LoadRawFilePart(FileID, DatOffset, Offset, Size: Integer; var Target: TStream);
573	var
574	mem: TMemoryStream;
575	streampos: Integer;
576	begin
577	if fileid < GetFileCount then
578	begin
579	if not Assigned(Target) then
580	Target := TMemoryStream.Create;
581	streampos := Target.Position;
582	mem := nil;
583	LoadRawFile(FileID, DatOffset, TStream(mem));
584	mem.Seek(Offset, soFromBeginning);
585	Target.CopyFrom(mem, Size);
586	mem.Free;
587	Target.Seek(streampos, soFromBeginning);
588	end;
589	end;
590
591
592
593
594	procedure TAccess_OUP_ADB.UpdateRawFilePart(FileID, DatOffset, Offset, Size: Integer; Src: TStream);
595	var
596	MimeCoder: TStringFormat_MIME64;
597	mem: TMemoryStream;
598	begin
599	if fileid < GetFileCount then
600	begin
601	mem := nil;
602	LoadRawFile(fileid, offset, TStream(mem));
603	mem.Seek(offset, soFromBeginning);
604	mem.CopyFrom(Src, Size);
605	mem.Seek(0, soFromBeginning);
606	mimecoder := TStringFormat_MIME64.Create;
607	FQuery.SQL.Text := 'UPDATE rawmap SET data=MimeToBin("' + MimeCoder.StrTo(
608	mem.Memory, mem.Size) + '") WHERE (src_id=' + IntToStr(fileid) +
609	') AND (src_link_offset=' + IntToStr(DatOffset) + ');';
610	FQuery.ExecSQL;
611	mem.Free;
612	mimecoder.Free;
613	end;
614	end;
615
616
617
618
619	end.