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 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 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;


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


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

  FDatabase := TABSDatabase.Create(nil);
  FDatabase.DatabaseName := 'OLDBcon' + IntToStr(ConnectionID);
  FDatabase.DatabaseFileName := DBFilename;
  FDatabase.Open;
  FQuery := TABSQuery.Create(FDatabase);
  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;

  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 := HexToLong(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.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;
  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
        if AppSettings.FilenumbersAsHex then
          id := IntToHex(Fdat_files[i].ID, 4)
        else
          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);
        end;
      end;
    end;
  end;
  Result := TStringList.Create;
  if list.Count > 0 then
  begin
    fields := TStringList.Create;
    if SortType in [ST_IDAsc, ST_NameAsc, ST_ExtAsc] 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
  Result := TStringList.Create;
  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.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:	101
Committed:	Tue Feb 20 20:43:29 2007 UTC (18 years, 7 months ago) by alloc
Content type:	text/x-pascal
Original Path:	*oup/rewrite/DataAccess/Access_OUP_ADB.pas*
File size:	15370 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 GetFileInfo(FileID: Integer): TFileInfo; override;
21	function GetFilesList(Ext: String; Pattern: String;
22	NoEmptyFiles: Boolean; SortType: TSortType): TStrings; override;
23	function GetFileCount: Integer; override;
24	function GetExtensionsList(ExtListFormat: TExtensionFormat): TStrings; override;
25
26	procedure LoadDatFile(FileID: Integer; var Target: TStream); overload; override;
27	procedure UpdateDatFile(FileID: Integer; Src: TStream); overload; override;
28	procedure LoadDatFilePart(FileID, Offset, Size: Integer; var Target: TStream); overload; override;
29	procedure UpdateDatFilePart(FileID, Offset, Size: Integer; Src: TStream); overload; override;
30
31	function GetRawList(FileID: Integer): TRawDataList; override;
32	function GetRawInfo(FileID, DatOffset: Integer): TRawDataInfo; override;
33
34	procedure LoadRawFile(FileID, DatOffset: Integer; var Target: TStream); overload; override;
35	procedure UpdateRawFile(FileID, DatOffset: Integer; Src: TStream); overload; override;
36	procedure LoadRawFilePart(FileID, DatOffset, Offset, Size: Integer; var Target: TStream); overload; override;
37	procedure UpdateRawFilePart(FileID, DatOffset, Offset, Size: Integer; Src: TStream); overload; override;
38	published
39	end;
40
41
42	implementation
43
44	uses
45	SysUtils, Data, Functions, ABSDecUtil, DB;
46
47
48	(*
49	================================================================================
50	Implementation of TOniDataADB
51	*)
52
53
54	constructor TAccess_OUP_ADB.Create(DBFilename: String; ConnectionID: Integer; var Msg: TStatusMessages);
55	var
56	i: Integer;
57	begin
58	Msg := SM_UnknownError;
59	if not FileExists(DBFilename) then
60	begin
61	Msg := SM_FileNotFound;
62	Exit;
63	end;
64	FFileName := DBFilename;
65
66	FDatabase := TABSDatabase.Create(nil);
67	FDatabase.DatabaseName := 'OLDBcon' + IntToStr(ConnectionID);
68	FDatabase.DatabaseFileName := DBFilename;
69	FDatabase.Open;
70	FQuery := TABSQuery.Create(FDatabase);
71	FQuery.DatabaseName := 'OLDBcon' + IntToStr(ConnectionID);
72	FQuery.SQL.Text := 'SELECT [name],[value] FROM globals ORDER BY [name] ASC';
73	FQuery.Open;
74	FQuery.First;
75	repeat
76	if FQuery.FieldByName('name').AsString = 'dbversion' then
77	begin
78	if FQuery.FieldByName('value').AsString <> DBversion then
79	begin
80	Msg := SM_IncompatibleDBVersion;
81	FQuery.Close;
82	Exit;
83	end;
84	end;
85	if FQuery.FieldByName('name').AsString = 'lvl' then
86	FLevelNumber := StrToInt(FQuery.FieldByName('value').AsString);
87	if FQuery.FieldByName('name').AsString = 'DataOS' then
88	begin
89	if FQuery.FieldByName('value').AsString = 'WIN' then
90	FDataOS := DOS_WIN
91	else if FQuery.FieldByName('value').AsString = 'WINDEMO' then
92	FDataOS := DOS_WINDEMO
93	else if FQuery.FieldByName('value').AsString = 'MAC' then
94	FDataOS := DOS_MAC
95	else if FQuery.FieldByName('value').AsString = 'MACBETA' then
96	FDataOS := DOS_MACBETA;
97	end;
98	FQuery.Next;
99	until FQuery.EOF;
100	FQuery.Close;
101
102	Msg := SM_OK;
103	FBackend := DB_ADB;
104
105	FChangeRights := [CR_EditDat, CR_EditRaw, CR_ResizeDat, CR_ResizeRaw];
106
107	UpdateListCache;
108	end;
109
110
111
112
113	procedure TAccess_OUP_ADB.Close;
114	begin
115	FQuery.Free;
116	FDatabase.Close;
117	FDatabase.Free;
118	Self.Free;
119	end;
120
121
122
123	procedure TAccess_OUP_ADB.UpdateListCache;
124	var
125	i: Integer;
126	temps: String;
127	begin
128	FQuery.SQL.Text := 'SELECT id,name,extension,[size],contenttype FROM datfiles ORDER BY id ASC;';
129	FQuery.Open;
130	SetLength(Fdat_files, FQuery.RecordCount);
131	if FQuery.RecordCount > 0 then
132	begin
133	FQuery.First;
134	i := 0;
135	repeat
136	Fdat_files[i].ID := FQuery.FieldByName('id').AsInteger;
137	Fdat_files[i].Name := FQuery.FieldByName('name').AsString;
138	Fdat_files[i].Extension := FQuery.FieldByName('extension').AsString;
139	Fdat_files[i].Size := FQuery.FieldByName('size').AsInteger;
140	Fdat_files[i].FileType := HexToLong(FQuery.FieldByName('contenttype').AsString);
141	Fdat_files[i].DatAddr := 0;
142	Inc(i);
143	FQuery.Next;
144	until FQuery.EOF;
145	end;
146	FQuery.Close;
147
148	FQuery.SQL.Text :=
149	'SELECT extension,count(extension) AS x FROM datfiles GROUP BY extension ORDER BY extension ASC;';
150	FQuery.Open;
151	SetLength(Fdat_extensionsmap, FQuery.RecordCount);
152	if FQuery.RecordCount > 0 then
153	begin
154	i := 0;
155	repeat
156	temps := FQuery.FieldByName('extension').AsString;
157	Fdat_extensionsmap[i].Extension[3] := temps[1];
158	Fdat_extensionsmap[i].Extension[2] := temps[2];
159	Fdat_extensionsmap[i].Extension[1] := temps[3];
160	Fdat_extensionsmap[i].Extension[0] := temps[4];
161	Fdat_extensionsmap[i].ExtCount := FQuery.FieldByName('x').AsInteger;
162	Inc(i);
163	FQuery.Next;
164	until FQuery.EOF;
165	end;
166	FQuery.Close;
167	end;
168
169
170	function TAccess_OUP_ADB.GetFileInfo(fileid: Integer): TFileInfo;
171	begin
172	if fileid = -1 then
173	begin
174	Result := inherited GetFileInfo(fileid);
175	Exit;
176	end;
177	if fileid < Self.GetFileCount then
178	Result := Fdat_files[fileid]
179	else
180	Result.ID := -1;
181	end;
182
183
184
185
186	function TAccess_OUP_ADB.GetFilesList(ext: String; pattern: String;
187	NoEmptyFiles: Boolean; SortType: TSortType): TStrings;
188	var
189	i: Integer;
190	list: TStringList;
191	id, name, extension: String;
192	fields: TStrings;
193
194	procedure getfields;
195	begin
196	fields.CommaText := StringReplace(AnsiQuotedStr(list.Strings[i], '"'), ';', '","', [rfReplaceAll]);
197	if SortType in [ST_IDAsc, ST_IDDesc] then
198	begin
199	id := fields.Strings[0];
200	name := fields.Strings[1];
201	extension := fields.Strings[2];
202	end;
203	if SortType in [ST_NameAsc, ST_NameDesc] then
204	begin
205	id := fields.Strings[1];
206	name := fields.Strings[0];
207	extension := fields.Strings[2];
208	end;
209	if SortType in [ST_ExtAsc, ST_ExtDesc] then
210	begin
211	id := fields.Strings[1];
212	name := fields.Strings[2];
213	extension := fields.Strings[0];
214	end;
215	end;
216
217	begin
218	list := TStringList.Create;
219	list.Sorted := True;
220	for i := 0 to GetFileCount - 1 do
221	begin
222	if ((Length(ext) = 0) or (Pos(Fdat_files[i].Extension, ext) > 0)) and
223	((Length(pattern) = 0) or
224	(Pos(UpperCase(pattern), UpperCase(Fdat_files[i].Name)) > 0)) then
225	begin
226	if (NoEmptyFiles = False) or ((Fdat_files[i].FileType and $02) = 0) then
227	begin
228	if AppSettings.FilenumbersAsHex then
229	id := IntToHex(Fdat_files[i].ID, 4)
230	else
231	id := FormatNumber(Fdat_files[i].ID, 5, '0');
232	name := Fdat_files[i].Name;
233	extension := Fdat_files[i].Extension;
234
235	case SortType of
236	ST_IDAsc, ST_IDDesc: list.Add(id + ';' + name + ';' + extension);
237	ST_NameAsc, ST_NameDesc: list.Add(name + ';' + id + ';' + extension);
238	ST_ExtAsc, ST_ExtDesc: list.Add(extension + ';' + id + ';' + name);
239	end;
240	end;
241	end;
242	end;
243	Result := TStringList.Create;
244	if list.Count > 0 then
245	begin
246	fields := TStringList.Create;
247	if SortType in [ST_IDAsc, ST_NameAsc, ST_ExtAsc] then
248	for i := 0 to list.Count - 1 do
249	begin
250	getfields;
251	Result.Add(id + '-' + name + '.' + extension);
252	end
253	else
254	for i := list.Count - 1 downto 0 do
255	begin
256	getfields;
257	Result.Add(id + '-' + name + '.' + extension);
258	end;
259	fields.Free;
260	end;
261	list.Free;
262	end;
263
264
265
266
267	function TAccess_OUP_ADB.GetFileCount: Integer;
268	begin
269	Result := Length(Fdat_files);
270	end;
271
272
273	function TAccess_OUP_ADB.GetExtensionsList(ExtListFormat: TExtensionFormat): TStrings;
274	var
275	i: Integer;
276	begin
277	Result := TStringList.Create;
278	for i := 0 to Length(Fdat_extensionsmap) - 1 do
279	begin
280	with Fdat_extensionsmap[i] do
281	begin
282	case ExtListFormat of
283	EF_ExtOnly:
284	Result.Add(Extension[3] + Extension[2] + Extension[1] + Extension[0]);
285	EF_ExtCount:
286	Result.Add(Extension[3] + Extension[2] + Extension[1] + Extension[0] +
287	' (' + IntToStr(ExtCount) + ')');
288	end;
289	end;
290	end;
291	end;
292
293
294	procedure TAccess_OUP_ADB.LoadDatFile(FileID: Integer; var Target: TStream);
295	var
296	mem: TStream;
297	streampos: Integer;
298	begin
299	if fileid < GetFileCount then
300	begin
301	if not Assigned(Target) then
302	Target := TMemoryStream.Create;
303
304	streampos := Target.Position;
305
306	FQuery.SQL.Text := 'SELECT data FROM datfiles WHERE id=' + IntToStr(fileid) + ';';
307	FQuery.Open;
308	if FQuery.RecordCount > 0 then
309	begin
310	mem := FQuery.CreateBlobStream(FQuery.FieldByName('data'), bmRead);
311	mem.Seek(0, soFromBeginning);
312	Target.CopyFrom(mem, mem.Size);
313	mem.Free;
314	end;
315	FQuery.Close;
316
317	Target.Seek(streampos, soFromBeginning);
318	end;
319	end;
320
321	procedure TAccess_OUP_ADB.UpdateDatFile(FileID: Integer; Src: TStream);
322	var
323	MimeCoder: TStringFormat_MIME64;
324	mem: TMemoryStream;
325	begin
326	if fileid < GetFileCount then
327	begin
328	mimecoder := TStringFormat_MIME64.Create;
329	mem := TMemoryStream.Create;
330	mem.CopyFrom(Src, Src.Size);
331	FQuery.SQL.Text := 'UPDATE datfiles SET data=MimeToBin("' +
332	MimeCoder.StrTo(mem.Memory, mem.Size) + '"), size=' + IntToStr(mem.Size) +
333	' WHERE id=' + IntToStr(fileid) + ';';
334	FQuery.ExecSQL;
335	mem.Free;
336	mimecoder.Free;
337	end;
338	end;
339
340
341
342	procedure TAccess_OUP_ADB.LoadDatFilePart(FileID, Offset, Size: Integer; var Target: TStream);
343	var
344	streampos: Integer;
345	mem: TStream;
346	begin
347	if fileid < GetFileCount then
348	begin
349	if not Assigned(Target) then
350	Target := TMemoryStream.Create;
351	streampos := Target.Position;
352
353	FQuery.SQL.Text := 'SELECT data FROM datfiles WHERE id=' + IntToStr(fileid) + ';';
354	FQuery.Open;
355	if FQuery.RecordCount > 0 then
356	begin
357	mem := FQuery.CreateBlobStream(FQuery.FieldByName('data'), bmRead);
358	mem.Seek(offset, soFromBeginning);
359	Target.CopyFrom(mem, size);
360	mem.Free;
361	end;
362	FQuery.Close;
363	Target.Seek(streampos, soFromBeginning);
364	end;
365	end;
366
367
368
369	procedure TAccess_OUP_ADB.UpdateDatFilePart(FileID, Offset, Size: Integer; Src: TStream);
370	var
371	MimeCoder: TStringFormat_MIME64;
372	mem: TMemoryStream;
373	begin
374	if fileid < GetFileCount then
375	begin
376	mem := nil;
377	LoadDatFile(fileid, TStream(mem));
378	mem.Seek(Offset, soFromBeginning);
379	mem.CopyFrom(Src, Size);
380	mem.Seek(0, soFromBeginning);
381	mimecoder := TStringFormat_MIME64.Create;
382	FQuery.SQL.Text := 'UPDATE datfiles SET data=MimeToBin("' +
383	MimeCoder.StrTo(mem.Memory, mem.Size) + '") WHERE id=' + IntToStr(fileid) + ';';
384	FQuery.ExecSQL;
385	mem.Free;
386	mimecoder.Free;
387	end;
388	end;
389
390
391	function TAccess_OUP_ADB.GetRawList(FileID: Integer): TRawDataList;
392	var
393	i: Integer;
394	begin
395	SetLength(Result, 0);
396	FQuery.SQL.Text := 'SELECT [src_link_offset],[size],[sep] FROM rawmap WHERE [src_id]=' +
397	IntToStr(fileid) + ' ORDER BY src_link_offset ASC;';
398	FQuery.Open;
399	if FQuery.RecordCount > 0 then
400	begin
401	FQuery.First;
402	SetLength(Result, FQuery.RecordCount);
403	i := 0;
404	repeat
405	Result[i].SrcID := fileid;
406	Result[i].SrcOffset := FQuery.FieldByName('src_link_offset').AsInteger;
407	Result[i].RawAddr := 0;
408	Result[i].RawSize := FQuery.FieldByName('size').AsInteger;
409	Result[i].LocSep := FQuery.FieldByName('sep').AsBoolean;
410	Inc(i);
411	FQuery.Next;
412	until FQuery.EOF;
413	end;
414	FQuery.Close;
415	end;
416
417
418	function TAccess_OUP_ADB.GetRawInfo(FileID, DatOffset: Integer): TRawDataInfo;
419	var
420	i: Integer;
421	rawlist: TRawDataList;
422	begin
423	rawlist := GetRawList(FileID);
424	if Length(rawlist) > 0 then
425	begin
426	for i := 0 to High(rawlist) do
427	if rawlist[i].SrcOffset = DatOffset then
428	Break;
429	if i < Length(rawlist) then
430	Result := rawlist[i]
431	else begin
432	Result.SrcID := -1;
433	Result.SrcOffset := -1;
434	Result.RawAddr := -1;
435	Result.RawSize := -1;
436	end;
437	end;
438	end;
439
440
441
442	procedure TAccess_OUP_ADB.LoadRawFile(FileID, DatOffset: Integer; var Target: TStream);
443	var
444	mem: TStream;
445	streampos: Integer;
446	begin
447	if fileid < GetFileCount then
448	begin
449	if not Assigned(Target) then
450	Target := TMemoryStream.Create;
451	streampos := Target.Position;
452	FQuery.SQL.Text := 'SELECT data FROM rawmap WHERE (src_id=' +
453	IntToStr(FileID) + ') AND (src_link_offset=' + IntToStr(DatOffset) + ');';
454	FQuery.Open;
455	if FQuery.RecordCount > 0 then
456	begin
457	mem := FQuery.CreateBlobStream(FQuery.FieldByName('data'), bmRead);
458	mem.Seek(0, soFromBeginning);
459	Target.CopyFrom(mem, mem.Size);
460	mem.Free;
461	end;
462	FQuery.Close;
463	Target.Seek(streampos, soFromBeginning);
464	end;
465	end;
466
467
468	procedure TAccess_OUP_ADB.UpdateRawFile(FileID, DatOffset: Integer; Src: TStream);
469	var
470	MimeCoder: TStringFormat_MIME64;
471	mem: TMemoryStream;
472	begin
473	if fileid < GetFileCount then
474	begin
475	mimecoder := TStringFormat_MIME64.Create;
476	mem := TMemoryStream.Create;
477	mem.CopyFrom(Src, Src.Size);
478	mem.Seek(0, soFromBeginning);
479	FQuery.SQL.Text := 'UPDATE rawmap SET data=MimeToBin("' + MimeCoder.StrTo(
480	mem.Memory, mem.Size) + '") WHERE (src_id=' + IntToStr(FileID) +
481	') AND (src_link_offset=' + IntToStr(DatOffset) + ');';
482	FQuery.ExecSQL;
483	mem.Free;
484	mimecoder.Free;
485	end;
486	end;
487
488
489
490
491	procedure TAccess_OUP_ADB.LoadRawFilePart(FileID, DatOffset, Offset, Size: Integer; var Target: TStream);
492	var
493	mem: TMemoryStream;
494	streampos: Integer;
495	begin
496	if fileid < GetFileCount then
497	begin
498	if not Assigned(Target) then
499	Target := TMemoryStream.Create;
500	streampos := Target.Position;
501	mem := nil;
502	LoadRawFile(FileID, DatOffset, TStream(mem));
503	mem.Seek(Offset, soFromBeginning);
504	Target.CopyFrom(mem, Size);
505	mem.Free;
506	Target.Seek(streampos, soFromBeginning);
507	end;
508	end;
509
510
511
512
513	procedure TAccess_OUP_ADB.UpdateRawFilePart(FileID, DatOffset, Offset, Size: Integer; Src: TStream);
514	var
515	MimeCoder: TStringFormat_MIME64;
516	mem: TMemoryStream;
517	begin
518	if fileid < GetFileCount then
519	begin
520	mem := nil;
521	LoadRawFile(fileid, offset, TStream(mem));
522	mem.Seek(offset, soFromBeginning);
523	mem.CopyFrom(Src, Size);
524	mem.Seek(0, soFromBeginning);
525	mimecoder := TStringFormat_MIME64.Create;
526	FQuery.SQL.Text := 'UPDATE rawmap SET data=MimeToBin("' + MimeCoder.StrTo(
527	mem.Memory, mem.Size) + '") WHERE (src_id=' + IntToStr(fileid) +
528	') AND (src_link_offset=' + IntToStr(DatOffset) + ');';
529	FQuery.ExecSQL;
530	mem.Free;
531	mimecoder.Free;
532	end;
533	end;
534
535
536
537
538	end.