source: oup/current/Unit15_Classes.pas@ 27

Last change on this file since 27 was 10, checked in by alloc, 18 years ago
  • Property svn:executable set to *
File size: 35.0 KB
RevLine 
[10]1unit Unit15_Classes;
2interface
3uses Unit3_data, Unit9_data_structures, Classes, SysUtils, StrUtils, Dialogs, ABSDecUtil, ABSMain, DB;
4
5
6type
7 TOniData = class
8 private
9 FFileName:String;
10 FLevelInfo:TLevelInfo;
11 FBackend:Integer;
12 Fos_mac:Boolean;
13 protected
14 public
15 property FileName:String read FFileName write FFileName;
16 property Backend:Integer read FBackend write FBackend;
17 property OSisMac:Boolean read Fos_mac write Fos_mac;
18 property LevelInfo:TLevelinfo read FLevelInfo write FLevelInfo;
19
20 constructor Create(filename:String; var Result:Boolean); virtual; abstract;
21 procedure Close; virtual; abstract;
22
23 function GetFileInfo(fileid:LongWord):TFileInfo; virtual; abstract;
24 function GetFilesList(ext:String; pattern:String; NoEmptyFiles:Boolean):TStringArray; virtual; abstract;
25 function GetFilesCount:LongWord; virtual; abstract;
26 function GetExtensionsList:TStringArray; virtual; abstract;
27 function GetExtendedExtensionsList:TExtensionsMap; virtual; abstract;
28 function ExtractFileID(name:String):Integer;
29 function GetFileIDByName(name:String):Integer;
30
31 function LoadDatFile(fileid:LongWord):Tdata; virtual; abstract;
32 procedure UpdateDatFile(fileid:LongWord; data:Tdata); virtual; abstract;
33 procedure LoadDatFilePart(fileid,offset,size:LongWord; target:Pointer); virtual; abstract;
34 procedure UpdateDatFilePart(fileid,offset,size:LongWord; target:Pointer); virtual; abstract;
35
36 function GetRawList(fileid:LongWord):TRawList; virtual; abstract;
37 function GetRawInfo(fileid,dat_offset:LongWord):TRawInfo;
38 procedure LoadRawFile(fileid,dat_offset:LongWord; target:Pointer); virtual; abstract;
39 procedure UpdateRawFile(fileid,dat_offset:LongWord; size:LongWord; target:Pointer); virtual; abstract;
40 procedure LoadRawFilePart(fileid,dat_offset:LongWord; offset,size:LongWord; target:Pointer); virtual; abstract;
41 procedure UpdateRawFilePart(fileid,dat_offset:LongWord; offset,size:LongWord; target:Pointer); virtual; abstract;
42 function AppendRawFile(loc_sep:Boolean; size:LongWord; target:Pointer):LongWord; virtual; abstract;//Returns new Address
43 published
44 end;
45
46 TOniDataDat = class(TOniData)
47 private
48 Fdat_file:TFileStream;
49 Fraw_file:TFileStream;
50 Fsep_file:TFileStream;
51 Fdat_header:THeader;
52 Fdat_filesmap:TFilesMap;
53 Fdat_files:TFiles;
54 Fdat_namedfilesmap:TNamedFilesMap;
55 Fdat_extensionsmap:TExtensionsMap;
56 FUnloadWhenUnused:Boolean;
57 FDatOpened:Boolean;
58 FRawOpened:Boolean;
59 FSepOpened:Boolean;
60 protected
61 public
62 property UnloadWhenUnused:Boolean read FUnloadWhenUnused write FUnloadWhenUnused;
63
64 constructor Create(DatFilename:String; var Result:Boolean); override;
65 procedure Close; override;
66
67 function GetFileInfo(fileid:LongWord):TFileInfo; override;
68 function GetFilesList(ext:String; pattern:String; NoEmptyFiles:Boolean):TStringArray; override;
69 function GetFilesCount:LongWord; override;
70 function GetExtensionsList:TStringArray; override;
71 function GetExtendedExtensionsList:TExtensionsMap; override;
72
73 function LoadDatFile(fileid:LongWord):Tdata; override;
74 procedure UpdateDatFile(fileid:LongWord; data:Tdata); override;
75 procedure LoadDatFilePart(fileid,offset,size:LongWord; target:Pointer); override;
76 procedure UpdateDatFilePart(fileid,offset,size:LongWord; target:Pointer); override;
77
78 procedure LoadRawOffset(loc_sep:Boolean; raw_addr,size:LongWord; target:Pointer);
79 function GetRawList(fileid:LongWord):TRawList; override;
80 procedure LoadRawFile(fileid,dat_offset:LongWord; target:Pointer); override;
81 procedure UpdateRawFile(fileid,dat_offset:LongWord; size:LongWord; target:Pointer); override;
82 procedure LoadRawFilePart(fileid,dat_offset:LongWord; offset,size:LongWord; target:Pointer); override;
83 procedure UpdateRawFilePart(fileid,dat_offset:LongWord; offset,size:LongWord; target:Pointer); override;
84 function AppendRawFile(loc_sep:Boolean; size:LongWord; target:Pointer):LongWord; override;//Returns new Address
85 published
86 end;
87
88 TOniDataADB = class(TOniData)
89 private
90 FDatabase:TABSDatabase;
91 FQuery:TABSQuery;
92 protected
93 public
94 constructor Create(OLDBFilename:String; var Result:Boolean); override;
95 procedure Close; override;
96
97// function GetDatLinks(srcid:LongWord):TDatLinks;
98 function GetFileInfo(fileid:LongWord):TFileInfo; override;
99 function GetFilesList(ext:String; pattern:String; NoEmptyFiles:Boolean):TStringArray; override;
100 function GetFilesCount:LongWord; override;
101 function GetExtensionsList:TStringArray; override;
102 function GetExtendedExtensionsList:TExtensionsMap; override;
103 function GetNamedFilesMap:TNamedFilesMap;
104
105 function LoadDatFile(fileid:LongWord):Tdata; override;
106 procedure UpdateDatFile(fileid:LongWord; data:Tdata); override;
107 procedure LoadDatFilePart(fileid,offset,size:LongWord; target:Pointer); override;
108 procedure UpdateDatFilePart(fileid,offset,size:LongWord; target:Pointer); override;
109
110 function GetRawList(fileid:LongWord):TRawList; override;
111 procedure LoadRawFile(fileid,dat_offset:LongWord; target:Pointer); override;
112 procedure UpdateRawFile(fileid,dat_offset:LongWord; size:LongWord; target:Pointer); override;
113 procedure LoadRawFilePart(fileid,dat_offset:LongWord; offset,size:LongWord; target:Pointer); override;
114 procedure UpdateRawFilePart(fileid,dat_offset:LongWord; offset,size:LongWord; target:Pointer); override;
115 published
116 end;
117
118
119const
120 ODB_None=-1;
121 ODB_Dat=0;
122 ODB_ADB=1;
123
124var
125 OniDataConnection:TOniData;
126
127function CreateDataConnection(filename:String; backend:Integer):Boolean;
128procedure CloseDataConnection;
129
130
131
132
133implementation
134uses Unit2_Functions;
135
136
137
138(*
139 Implementation of TOniData
140*)
141
142function TOniData.GetFileIDByName(name:String):Integer;
143 var
144 files:TStringArray;
145 i: Integer;
146 begin
147 Result:=-1;
148 files:=Self.GetFilesList('',name,false);
149 if Length(files)>0 then
150 for i:=0 to High(files) do
151 if Pos(name,files[i])=Pos('-',files[i])+1 then begin
152// if MidStr(files[i],Pos('-',files[i])+1,Length(files[i])-Pos('-',files[i])-5)=name then begin
153 Result:=Self.ExtractFileID(files[i]);
154 Break;
155 end;
156 end;
157
158function TOniData.ExtractFileID(name:String):Integer;
159 begin
160 if name[5]='-' then
161 Result:=HexToLong(MidStr(name,1,4))
162 else
163 Result:=StrToInt(MidStr(name,1,5));
164 end;
165
166function TOniData.GetRawInfo(fileid,dat_offset:LongWord):TRawInfo;
167 var
168 i:LongWord;
169 raw_list:TRawList;
170 begin
171 raw_list:=Self.GetRawList(fileid);
172 Result.src_id:=0;
173 Result.src_offset:=0;
174 Result.raw_addr:=0;
175 Result.raw_size:=0;
176 for i:=0 to High(raw_list) do begin
177 if raw_list[i].src_offset=dat_offset then begin
178 Result.src_id:=fileid;
179 Result.src_offset:=raw_list[i].src_offset;
180 Result.raw_addr:=raw_list[i].raw_addr;
181 Result.raw_size:=raw_list[i].raw_size;
182 Result.loc_sep:=raw_list[i].loc_sep;
183 Break;
184 end;
185 end;
186 end;
187
188
189
190
191
192
193
194(*
195================================================================================
196 Implementation of TOniDataDat
197*)
198
199constructor TOniDataDat.Create(DatFilename:String; var Result:Boolean);
200 const
201 header_ident1_pc:Array[0..$13] of Byte=
202 ($1F,$27,$DC, $33, $DF,$BC,$03,$00,$31,$33,$52,$56,$40,$00,$14,$00,$10,$00,$08,$00);
203 header_ident1_mac:Array[0..$13] of Byte=
204 ($61,$30,$C1, $23, $DF,$BC,$03,$00,$31,$33,$52,$56,$40,$00,$14,$00,$10,$00,$08,$00);
205 header_ident1_macbeta:Array[0..$13] of Byte=
206 ($81,$11,$8D, $23, $DF,$BC,$03,$00,$31,$33,$52,$56,$40,$00,$14,$00,$10,$00,$08,$00);
207 header_ident2:Array[0..$F] of Byte=
208 ($99,$CF,$40,$00,$90,$4F,$63,$00,$F4,$55,$5F,$00,$90,$4F,$63,$00);
209 var
210 i:LongWord;
211 header_pc,header_mac:Boolean;
212 begin
213 FUnloadWhenUnused:=True;
214 FDatOpened:=False;
215 FRawOpened:=False;
216 if not FileExists(DatFilename) then begin
217 ShowMessage('File doesn''t exist!!!');
218 Result:=False;
219 Exit;
220 end;
221 FFileName:=DatFilename;
222 Fdat_file:=TFileStream.Create(FFileName, fmOpenRead);
223 Fdat_file.Read(Fdat_header,SizeOf(Fdat_header));
224 header_pc:=True;
225 header_mac:=True;
226 for i:=0 to High(Fdat_header.Ident) do begin
227 FLevelInfo.Ident[i]:=Fdat_header.Ident[i];
228 if Fdat_header.Ident[i]<>header_ident1_pc[i] then
229 header_pc:=False;
230 if Fdat_header.Ident[i]<>header_ident1_mac[i] then
231 header_mac:=False;
232 end;
233 if not (header_pc xor header_mac) then begin
234 Result:=False;
235 Exit;
236 end else begin
237 if (header_pc and not header_mac) then
238 Fos_mac:=False
239 else
240 Fos_mac:=True;
241 end;
242 SetLength(Fdat_filesmap,Fdat_header.Files);
243 SetLength(Fdat_files,Fdat_header.Files);
244 for i:=0 to Fdat_header.Files-1 do
245 Fdat_file.Read(Fdat_filesmap[i],SizeOf(Fdat_filesmap[i]));
246 for i:=0 to Fdat_header.Files-1 do begin
247 Fdat_files[i].Extension:=Fdat_filesmap[i].Extension;
248 Fdat_files[i].Extension:=ReverseString(Fdat_files[i].Extension);
249 Fdat_files[i].Size:=Fdat_filesmap[i].FileSize;
250 Fdat_files[i].FileType:=Fdat_filesmap[i].FileType;
251 Fdat_files[i].DatAddr:=Fdat_filesmap[i].DataAddr-8+Fdat_header.DataAddr;
252 if (Fdat_filesmap[i].FileType and $01)=0 then begin
253 Fdat_file.Seek(Fdat_filesmap[i].NameAddr+Fdat_header.NamesAddr,soFromBeginning);
254 SetLength(Fdat_files[i].Name,100);
255 Fdat_file.Read(Fdat_files[i].Name[1],100);
256 Fdat_files[i].Name:=MidStr(Fdat_files[i].Name,1+4,Pos(#0,Fdat_files[i].Name)-1-4);
257 end else begin
258 Fdat_files[i].Name:='';
259 end;
260 Fdat_files[i].FileName:=FormatNumber(i,5,'0')+'-'+Fdat_files[i].Name+'.'+Fdat_files[i].Extension;
261 Fdat_files[i].FileNameHex:=IntToHex(i,4)+'-'+Fdat_files[i].Name+'.'+Fdat_files[i].Extension;
262 end;
263 Fdat_file.Seek($40+Fdat_header.Files*$14,soFromBeginning);
264 SetLength(Fdat_namedfilesmap,Fdat_header.NamedFiles);
265 for i:=0 to Fdat_header.NamedFiles-1 do
266 Fdat_file.Read(Fdat_namedfilesmap[i],SizeOf(Fdat_namedfilesmap[i]));
267
268 Fdat_file.Seek($40+Fdat_header.Files*$14+Fdat_header.NamedFiles*$8,soFromBeginning);
269 SetLength(Fdat_extensionsmap,Fdat_header.Extensions);
270 for i:=0 to Fdat_header.Extensions-1 do
271 Fdat_file.Read(Fdat_extensionsmap[i],SizeOf(Fdat_extensionsmap[i]));
272
273 Fdat_file.Seek(Fdat_files[0].DatAddr+7,soFromBeginning);
274 Fdat_file.Read(FLevelInfo.LevelNumber,1);
275 FLevelInfo.LevelNumber:=FLevelInfo.LevelNumber DIV 2;
276
277 Fdat_file.Free;
278
279 Result:=True;
280 FBackend:=ODB_Dat;
281 end;
282
283procedure TOniDataDat.Close;
284 begin
285 if not FUnloadWhenUnused and FDatOpened then
286 Fdat_file.Free;
287 if not FUnloadWhenUnused and FRawOpened then
288 Fraw_file.Free;
289 if not FUnloadWhenUnused and FSepOpened then
290 Fsep_file.Free;
291 Self.Free;
292 end;
293
294
295
296function TOniDataDat.GetFileInfo(fileid:LongWord):TFileInfo;
297 begin
298 if fileid<Self.GetFilesCount then
299 Result:=Fdat_files[fileid]
300 else
301 Result.ID:=-1;
302 end;
303
304function TOniDataDat.GetFilesList(ext:String; pattern:String; NoEmptyFiles:Boolean):TStringArray;
305 var
306 i:LongWord;
307 begin
308 SetLength(Result,0);
309 for i:=0 to Fdat_header.Files-1 do begin
310 if ( (Length(ext)=0) or (Pos(Fdat_files[i].Extension,ext)>0) ) and
311 ( (Length(pattern)=0) or (Pos(UpperCase(pattern),UpperCase(Fdat_files[i].Name))>0) ) then begin
312 if (NoEmptyFiles=false) or ((Fdat_files[i].FileType and $02)=0) then begin
313 SetLength(Result,Length(Result)+1);
314 if AppSettings.FilenumbersAsHex then
315 Result[High(Result)]:=Fdat_files[i].FileNameHex
316 else
317 Result[High(Result)]:=Fdat_files[i].FileName;
318 end;
319 end;
320 end;
321 end;
322
323function TOniDataDat.GetFilesCount:LongWord;
324 begin
325 Result:=Fdat_header.Files;
326 end;
327
328function TOniDataDat.GetExtensionsList:TStringArray;
329 var
330 i:LongWord;
331 begin
332 SetLength(Result,Fdat_header.Extensions);
333 for i:=0 to Fdat_header.Extensions-1 do begin
334 with Fdat_extensionsmap[i] do begin
335 Result[i]:=Extension[3]+Extension[2]+Extension[1]+Extension[0]+' ('+IntToStr(ExtCount)+')';
336 end;
337 end;
338 end;
339
340function TOniDataDat.GetExtendedExtensionsList:TExtensionsMap;
341 var
342 i:LongWord;
343 begin
344 SetLength(Result,Fdat_header.Extensions);
345 for i:=0 to Fdat_header.Extensions-1 do begin
346 Result[i]:=Fdat_extensionsmap[i];
347 end;
348 end;
349
350
351function TOniDataDat.LoadDatFile(fileid:LongWord):Tdata;
352 begin
353 if fileid<Self.GetFilesCount then begin
354 if FUnloadWhenUnused or not FDatOpened then
355 Fdat_file:=TFileStream.Create(FFileName, fmOpenReadWrite);
356 Fdat_file.Seek(Fdat_files[fileid].DatAddr,soFromBeginning);
357 SetLength(Result,Fdat_files[fileid].Size);
358 Fdat_file.Read(Result[0],Fdat_files[fileid].Size);
359 if UnloadWhenUnused then
360 Fdat_file.Free
361 else
362 FDatOpened:=True;
363 end;
364 end;
365
366procedure TOniDataDat.UpdateDatFile(fileid:LongWord; data:Tdata);
367 begin
368 if fileid<Self.GetFilesCount then begin
369 if FUnloadWhenUnused or not FDatOpened then
370 Fdat_file:=TFileStream.Create(FFileName, fmOpenReadWrite);
371 Fdat_file.Seek(Fdat_files[fileid].DatAddr,soFromBeginning);
372 Fdat_file.Write(data[0],Length(data));
373 if UnloadWhenUnused then
374 Fdat_file.Free
375 else
376 FDatOpened:=True;
377 end;
378 end;
379
380procedure TOniDataDat.LoadDatFilePart(fileid,offset,size:LongWord; target:Pointer);
381 begin
382 if fileid<Self.GetFilesCount then begin
383 if FUnloadWhenUnused or not FDatOpened then
384 Fdat_file:=TFileStream.Create(FFileName, fmOpenReadWrite);
385 Fdat_file.Seek(Fdat_files[fileid].DatAddr+offset,soFromBeginning);
386 Fdat_file.Read(target^,size);
387 if UnloadWhenUnused then
388 Fdat_file.Free
389 else
390 FDatOpened:=True;
391 end;
392 end;
393
394procedure TOniDataDat.UpdateDatFilePart(fileid,offset,size:LongWord; target:Pointer);
395 begin
396 if fileid<Self.GetFilesCount then begin
397 if FUnloadWhenUnused or not FDatOpened then
398 Fdat_file:=TFileStream.Create(FFileName, fmOpenReadWrite);
399 Fdat_file.Seek(Fdat_files[fileid].DatAddr+offset,soFromBeginning);
400 Fdat_file.Write(target^,size);
401 if UnloadWhenUnused then
402 Fdat_file.Free
403 else
404 FDatOpened:=True;
405 end;
406 end;
407
408
409
410function TOniDataDat.GetRawList(fileid:LongWord):TRawList;
411 var
412 i:LongWord;
413 begin
414 SetLength(Result,0);
415 for i:=0 to High(RawListHandlers) do
416 if UpperCase(RawListHandlers[i].Ext)=UpperCase(Fdat_files[fileid].extension) then
417 if RawListHandlers[i].needed then begin
418 Result:=RawListHandlers[i].Handler(fileid);
419 Break;
420 end else
421 Break;
422 end;
423
424procedure TOniDataDat.LoadRawOffset(loc_sep:Boolean; raw_addr,size:LongWord; target:Pointer);
425 begin
426 if not loc_sep then begin
427 if FUnloadWhenUnused or not FRawOpened then
428 Fraw_file:=TFileStream.Create(AnsiReplaceStr(FFileName,'.dat','.raw'),fmOpenReadWrite);
429 if raw_addr<=Fraw_file.Size then begin
430 Fraw_file.Seek(raw_addr,soFromBeginning);
431 Fraw_file.Read(target^,size);
432 end;
433 if UnloadWhenUnused then
434 Fraw_file.Free
435 else
436 FRawOpened:=True
437 end else begin
438 if FUnloadWhenUnused or not FSepOpened then
439 Fsep_file:=TFileStream.Create(AnsiReplaceStr(FFileName,'.dat','.sep'),fmOpenReadWrite);
440 if raw_addr<=Fsep_file.Size then begin
441 Fsep_file.Seek(raw_addr,soFromBeginning);
442 Fsep_file.Read(target^,size);
443 end;
444 if UnloadWhenUnused then
445 Fsep_file.Free
446 else
447 FSepOpened:=True;
448 end;
449 end;
450
451procedure TOniDataDat.LoadRawFile(fileid,dat_offset:LongWord; target:Pointer);
452 var
453 raw_info:TRawInfo;
454 begin
455 if fileid<Self.GetFilesCount then begin
456 raw_info:=Self.GetRawInfo(fileid,dat_offset);
457 if not raw_info.loc_sep then begin
458 if FUnloadWhenUnused or not FRawOpened then
459 Fraw_file:=TFileStream.Create(AnsiReplaceStr(FFileName,'.dat','.raw'),fmOpenReadWrite);
460 Fraw_file.Seek(raw_info.raw_addr,soFromBeginning);
461 Fraw_file.Read(target^,raw_info.raw_size);
462 if UnloadWhenUnused then
463 Fraw_file.Free
464 else
465 FRawOpened:=True
466 end else begin
467 if FUnloadWhenUnused or not FSepOpened then
468 Fsep_file:=TFileStream.Create(AnsiReplaceStr(FFileName,'.dat','.sep'),fmOpenReadWrite);
469 Fsep_file.Seek(raw_info.raw_addr,soFromBeginning);
470 Fsep_file.Read(target^,raw_info.raw_size);
471 if UnloadWhenUnused then
472 Fsep_file.Free
473 else
474 FSepOpened:=True;
475 end;
476 end;
477 end;
478
479procedure TOniDataDat.UpdateRawFile(fileid,dat_offset:LongWord; size:LongWord; target:Pointer);
480 var
481 raw_info:TRawInfo;
482 begin
483 if fileid<Self.GetFilesCount then begin
484 raw_info:=Self.GetRawInfo(fileid,dat_offset);
485 if not raw_info.loc_sep then begin
486 if FUnloadWhenUnused or not FRawOpened then
487 Fraw_file:=TFileStream.Create(AnsiReplaceStr(FFileName,'.dat','.raw'),fmOpenReadWrite);
488 Fraw_file.Seek(raw_info.raw_addr,soFromBeginning);
489 Fraw_file.Write(target^,raw_info.raw_size);
490 if UnloadWhenUnused then
491 Fraw_file.Free
492 else
493 FRawOpened:=True
494 end else begin
495 if FUnloadWhenUnused or not FSepOpened then
496 Fsep_file:=TFileStream.Create(AnsiReplaceStr(FFileName,'.dat','.sep'),fmOpenReadWrite);
497 Fsep_file.Seek(raw_info.raw_addr,soFromBeginning);
498 Fsep_file.Write(target^,raw_info.raw_size);
499 if UnloadWhenUnused then
500 Fsep_file.Free
501 else
502 FSepOpened:=True;
503 end;
504 end;
505 end;
506
507procedure TOniDataDat.LoadRawFilePart(fileid,dat_offset:LongWord; offset,size:LongWord; target:Pointer);
508 var
509 raw_info:TRawInfo;
510 data:Tdata;
511 mem:TMemoryStream;
512 begin
513 if fileid<Self.GetFilesCount then begin
514 raw_info:=Self.GetRawInfo(fileid,dat_offset);
515 SetLength(data, raw_info.raw_size);
516 Self.LoadRawFile(fileid,dat_offset,@data[0]);
517 mem:=TMemoryStream.Create;
518 mem.Write(data[offset],size);
519 mem.Read(target^,size);
520 mem.Free;
521 end;
522 end;
523
524procedure TOniDataDat.UpdateRawFilePart(fileid,dat_offset:LongWord; offset,size:LongWord; target:Pointer);
525 var
526 raw_info:TRawInfo;
527 begin
528 if fileid<Self.GetFilesCount then begin
529 raw_info:=Self.GetRawInfo(fileid,dat_offset);
530 if not raw_info.loc_sep then begin
531 if FUnloadWhenUnused or not FRawOpened then
532 Fraw_file:=TFileStream.Create(AnsiReplaceStr(FFileName,'.dat','.raw'),fmOpenReadWrite);
533 Fraw_file.Seek(raw_info.raw_addr+offset,soFromBeginning);
534 Fraw_file.Write(target^,raw_info.raw_size);
535 if UnloadWhenUnused then
536 Fraw_file.Free
537 else
538 FRawOpened:=True
539 end else begin
540 if FUnloadWhenUnused or not FSepOpened then
541 Fsep_file:=TFileStream.Create(AnsiReplaceStr(FFileName,'.dat','.sep'),fmOpenReadWrite);
542 Fsep_file.Seek(raw_info.raw_addr+offset,soFromBeginning);
543 Fsep_file.Write(target^,raw_info.raw_size);
544 if UnloadWhenUnused then
545 Fsep_file.Free
546 else
547 FSepOpened:=True;
548 end;
549 end;
550 end;
551
552function TOniDataDat.AppendRawFile(loc_sep:Boolean; size:LongWord; target:Pointer):LongWord; //Returns new Address
553 begin
554 if not loc_sep then begin
555 if FUnloadWhenUnused or not FRawOpened then
556 Fraw_file:=TFileStream.Create(AnsiReplaceStr(FFileName,'.dat','.raw'),fmOpenReadWrite);
557 Result:=Fraw_file.Size;
558 Fraw_file.Seek(0,soFromEnd);
559 Fraw_file.Write(target^,size);
560 if UnloadWhenUnused then
561 Fraw_file.Free
562 else
563 FRawOpened:=True
564 end else begin
565 if FUnloadWhenUnused or not FSepOpened then
566 Fsep_file:=TFileStream.Create(AnsiReplaceStr(FFileName,'.dat','.sep'),fmOpenReadWrite);
567 Result:=Fsep_file.Size;
568 Fsep_file.Seek(0,soFromEnd);
569 Fsep_file.Write(target^,size);
570 if UnloadWhenUnused then
571 Fsep_file.Free
572 else
573 FSepOpened:=True;
574 end;
575 end;
576
577
578
579
580
581
582
583
584
585
586
587(*
588================================================================================
589 Implementation of TOniDataADB
590*)
591
592constructor TOniDataADB.Create(OLDBFilename:String; var Result:Boolean);
593 var
594 i,j:Byte;
595 temps:String;
596 begin
597 if not FileExists(OLDBFilename) then begin
598 ShowMessage('File doesn''t exist!!!');
599 Result:=False;
600 Exit;
601 end;
602 FFileName:=OLDBFilename;
603 FDatabase:=TABSDatabase.Create(nil);
604 FDatabase.DatabaseName:='OLDBcon';
605 FDatabase.DatabaseFileName:=OLDBFilename;
606 FDatabase.Open;
607 FQuery:=TABSQuery.Create(FDatabase);
608 FQuery.DatabaseName:='OLDBcon';
609 FQuery.SQL.Text:='SELECT [name],[value] FROM globals ORDER BY [name] ASC';
610 FQuery.Open;
611 FQuery.First;
612 repeat
613 if FQuery.FieldByName('name').AsString='dbversion' then begin
614 if FQuery.FieldByName('value').AsString<>DBversion then begin
615 ShowMessage('Database-file '+#13+#10+
616 '"'+OLDBFilename+'"'+#13+#10+
617 'has wrong version. (Required: '+DBversion+'; found: '+
618 FQuery.FieldByName('value').AsString+')');
619 FQuery.Close;
620 Result:=False;
621 Exit;
622 end;
623 end;
624 if FQuery.FieldByName('name').AsString='lvl' then begin
625 FLevelInfo.LevelNumber:=StrToInt(FQuery.FieldByName('value').AsString);
626 end;
627 if FQuery.FieldByName('name').AsString='ident' then begin
628 temps:=FQuery.FieldByName('value').AsString;
629 for i:=0 to High(FLevelInfo.Ident) do begin
630 j:=i*2+1;
631 case temps[j] of
632 '0'..'9': FLevelInfo.Ident[i]:=Ord(temps[j])-48;
633 'A'..'F': FLevelInfo.Ident[i]:=Ord(temps[j])-55;
634 end;
635 FLevelInfo.Ident[i]:=FLevelInfo.Ident[i]*16;
636 case temps[j+1] of
637 '0'..'9': FLevelInfo.Ident[i]:=FLevelInfo.Ident[i]+Ord(temps[j+1])-48;
638 'A'..'F': FLevelInfo.Ident[i]:=FLevelInfo.Ident[i]+Ord(temps[j+1])-55;
639 end;
640 end;
641 end;
642 if FQuery.FieldByName('name').AsString='ident' then begin
643 temps:=FQuery.FieldByName('value').AsString;
644 Fos_mac:=temps='MAC';
645 end;
646 FQuery.Next;
647 until FQuery.EoF;
648 FQuery.Close;
649
650 Result:=True;
651 FBackend:=ODB_ADB;
652 end;
653
654procedure TOniDataADB.Close;
655 begin
656 FDatabase.Close;
657 FDatabase.Free;
658 Self.Free;
659 end;
660
661
662
663function TOniDataADB.GetFileInfo(fileid:LongWord):TFileInfo;
664 begin
665 if fileid<Self.GetFilesCount then begin
666 FQuery.SQL.Text:='SELECT * FROM datfiles WHERE id='+IntToStr(fileid)+' ORDER BY id ASC;';
667 FQuery.Open;
668 if FQuery.RecordCount=1 then begin
669 FQuery.First;
670 Result.ID:=FQuery.FieldByName('id').AsInteger;
671 Result.Name:=FQuery.FieldByName('name').AsString;
672 Result.Extension:=FQuery.FieldByName('extension').AsString;
673 Result.FileName:=FormatNumber(Result.ID,5,'0')+'-'+Result.Name+'.'+Result.Extension;
674 Result.Size:=FQuery.FieldByName('size').AsInteger;
675 Result.FileType:=HexToLong(FQuery.FieldByName('contenttype').AsString);
676 Result.DatAddr:=0;
677 Result.opened:=False;
678 end;
679 FQuery.Close;
680 end else begin
681 Result.ID:=-1;
682 end;
683 end;
684
685function TOniDataADB.GetFilesList(ext:String; pattern:String; NoEmptyFiles:Boolean):TStringArray;
686 var
687 i:LongWord;
688 where:String;
689 where_ext:String;
690 begin
691 where:='';
692 if Length(ext)>0 then begin
693 if Length(where)>0 then
694 where:=where+' AND ';
695 if Pos(',',ext)>0 then begin
696 i:=1;
697 where_ext:='';
698 while i<Length(ext) do begin
699 if Length(where_ext)>0 then
700 where_ext:=where_ext+' OR ';
701 where_ext:=where_ext+'(extension="'+MidStr(ext,i,4)+'")';
702 i:=i+5;
703 end;
704 where:=where+'('+where_ext+')';
705 end else begin
706 where:=where+'(extension="'+ext+'")';
707 end;
708 end;
709 if Length(pattern)>0 then begin
710 if Length(where)>0 then
711 where:=where+' AND ';
712 where:=where+'(name LIKE "%'+pattern+'%")';
713 end;
714 if NoEmptyFiles then begin
715 if Length(where)>0 then
716 where:=where+' AND ';
717 where:=where+'(contenttype<>2)';
718 end;
719 if Length(where)>0 then
720 where:=' WHERE '+where;
721 FQuery.SQL.Text:='SELECT id,name,extension FROM datfiles'+where+' ORDER BY id ASC;';
722 FQuery.Open;
723 if FQuery.RecordCount>0 then begin
724 FQuery.First;
725 SetLength(Result,FQuery.RecordCount);
726 i:=0;
727 repeat
728 Result[i]:=FormatNumber(FQuery.FieldByName('id').AsInteger,5,'0')+'-'+FQuery.FieldByName('name').AsString+'.'+FQuery.FieldByName('extension').AsString;
729 Inc(i);
730 FQuery.Next;
731 until FQuery.EOF;
732 end;
733 FQuery.Close;
734 end;
735
736function TOniDataADB.GetFilesCount:LongWord;
737 begin
738 FQuery.SQL.Text:='SELECT Count(*) AS cnumber FROM datfiles;';
739 FQuery.Open;
740 if FQuery.RecordCount>0 then begin
741 FQuery.First;
742 Result:=FQuery.FieldByName('cnumber').AsInteger;
743 end else Result:=0;
744 FQuery.Close;
745 end;
746
747function TOniDataADB.GetExtensionsList:TStringArray;
748 var
749 i:LongWord;
750 begin
751 SetLength(Result,0);
752 FQuery.SQL.Text:='SELECT extension,count(extension) AS x FROM datfiles GROUP BY extension ORDER BY extension ASC;';
753 FQuery.Open;
754 if FQuery.RecordCount>0 then begin
755 SetLength(Result,FQuery.RecordCount);
756 i:=0;
757 repeat
758 Result[i]:=FQuery.FieldByName('extension').AsString+' ('+IntToStr(FQuery.FieldByName('x').AsInteger)+')';
759 Inc(i);
760 FQuery.Next;
761 until FQuery.EOF;
762 end;
763 FQuery.Close;
764 end;
765
766function TOniDataADB.GetExtendedExtensionsList:TExtensionsMap;
767 var
768 i,j:LongWord;
769 temps:String;
770 data:Tdata;
771 begin
772 SetLength(Result,0);
773 FQuery.SQL.Text:='SELECT ext,ident FROM extlist ORDER BY ext ASC;';
774 FQuery.Open;
775 if FQuery.RecordCount>0 then begin
776 SetLength(Result,FQuery.RecordCount);
777 i:=0;
778 repeat
779 temps:=FQuery.FieldByName('ext').AsString;
780 for j:=0 to 3 do Result[i].Extension[j]:=temps[4-j];
781 data:=DecodeHexString(FQuery.FieldByName('ident').AsString);
782 for j:=0 to 7 do Result[i].Ident[j]:=data[j];
783 Inc(i);
784 FQuery.Next;
785 until FQuery.EOF;
786 end;
787 FQuery.Close;
788 end;
789
790function TOniDataADB.GetNamedFilesMap:TNamedFilesMap;
791 var
792 i:LongWord;
793 temp:Integer;
794 temps:String;
795 temparray:Array of Record
796 id:Integer;
797 fullname:String[50];
798 end;
799 begin
800 SetLength(temparray,0);
801 FQuery.SQL.Text:='SELECT id,(extension+name) AS xname FROM datfiles WHERE Length(name)>0 ORDER BY extension,name ASC;';
802 FQuery.Open;
803 if FQuery.RecordCount>0 then begin
804 repeat
805 temp:=FQuery.FieldByName('id').AsInteger;
806 temps:=FQuery.FieldByName('xname').AsString;
807
808 SetLength(temparray,Length(temparray)+1);
809 if Length(temparray)>1 then begin
810 for i:=High(temparray)-1 downto 0 do begin
811 if StringSmaller(temps,temparray[i].fullname) then begin
812 temparray[i+1]:=temparray[i];
813 if i=0 then begin
814 temparray[i].id:=temp;
815 temparray[i].fullname:=temps;
816 end;
817 end else begin
818 temparray[i+1].id:=temp;
819 temparray[i+1].fullname:=temps;
820 Break;
821 end;
822 end;
823 end else begin
824 temparray[0].id:=temp;
825 temparray[0].fullname:=temps;
826 end;
827 FQuery.Next;
828 until FQuery.Eof;
829 end;
830 FQuery.Close;
831 SetLength(Result,Length(temparray));
832 for i:=0 to High(temparray) do begin
833 Result[i].FileNumber:=temparray[i].id;
834 Result[i].blubb:=0;
835 end;
836 end;
837
838
839
840function TOniDataADB.LoadDatFile(fileid:LongWord):Tdata;
841 var
842 mem:TStream;
843 begin
844 if fileid<Self.GetFilesCount then begin
845 FQuery.SQL.Text:='SELECT data FROM datfiles WHERE id='+IntToStr(fileid)+';';
846 FQuery.Open;
847 if FQuery.RecordCount>0 then begin
848 mem:=FQuery.CreateBlobStream(FQuery.FieldByName('data'),bmRead);
849 SetLength(Result,mem.Size);
850 mem.Seek(0,soFromBeginning);
851 mem.Read(Result[0],mem.Size);
852 mem.Free;
853 end;
854 FQuery.Close;
855 end;
856 end;
857
858procedure TOniDataADB.UpdateDatFile(fileid:LongWord; data:Tdata);
859 var
860 MimeCoder: TStringFormat_MIME64;
861 mem:TMemoryStream;
862 begin
863 if fileid<Self.GetFilesCount then begin
864 mimecoder:=TStringFormat_MIME64.Create;
865 mem:=TMemoryStream.Create;
866 mem.Write(data[0],Length(data));
867 mem.Seek(0,soFromBeginning);
868 FQuery.SQL.Text:='UPDATE datfiles SET data=MimeToBin("'+MimeCoder.StrTo(mem.Memory, mem.Size)+'") WHERE id='+IntToStr(fileid)+';';
869 FQuery.ExecSQL;
870 mem.Free;
871 mimecoder.Free;
872 end;
873 end;
874
875procedure TOniDataADB.LoadDatFilePart(fileid,offset,size:LongWord; target:Pointer);
876 var
877 mem:TStream;
878 begin
879 if fileid<Self.GetFilesCount then begin
880 FQuery.SQL.Text:='SELECT data FROM datfiles WHERE id='+IntToStr(fileid)+';';
881 FQuery.Open;
882 IF FQuery.RecordCount>0 THEN BEGIN
883 mem:=FQuery.CreateBlobStream(FQuery.FieldByName('data'),bmRead);
884 mem.Seek(offset,soFromBeginning);
885 mem.Read(target^,size);
886 mem.Free;
887 END;
888 FQuery.Close;
889 END;
890 END;
891
892procedure TOniDataADB.UpdateDatFilePart(fileid,offset,size:LongWord; target:Pointer);
893 var
894 MimeCoder: TStringFormat_MIME64;
895 mem:TMemoryStream;
896 data:Tdata;
897 begin
898 if fileid<Self.GetFilesCount then begin
899 data:=Self.LoadDatFile(fileid);
900 mimecoder:=TStringFormat_MIME64.Create;
901 mem:=TMemoryStream.Create;
902 mem.Write(data[0],Length(data));
903 mem.Seek(offset,soFromBeginning);
904 mem.Write(target^,size);
905 mem.Seek(0,soFromBeginning);
906 FQuery.SQL.Text:='UPDATE datfiles SET data=MimeToBin("'+MimeCoder.StrTo(mem.Memory, mem.Size)+'") WHERE id='+IntToStr(fileid)+';';
907 FQuery.ExecSQL;
908 mem.Free;
909 mimecoder.Free;
910 end;
911 end;
912
913
914
915function TOniDataADB.GetRawList(fileid:LongWord):TRawList;
916 var
917 i:LongWord;
918 begin
919 SetLength(Result,0);
920 FQuery.SQL.Text:='SELECT [src_link_offset],[size],[sep] FROM rawmap WHERE [src_id]='+IntToStr(fileid)+' ORDER BY src_link_offset ASC;';
921 FQuery.Open;
922 if FQuery.RecordCount>0 then begin
923 FQuery.First;
924 SetLength(Result,FQuery.RecordCount);
925 i:=0;
926 repeat
927 Result[i].src_id:=fileid;
928 Result[i].src_offset:=FQuery.FieldByName('src_link_offset').AsInteger;
929 Result[i].raw_addr:=0;
930 Result[i].raw_size:=FQuery.FieldByName('size').AsInteger;
931 Result[i].loc_sep:=FQuery.FieldByName('sep').AsBoolean;
932 Inc(i);
933 FQuery.Next;
934 until FQuery.EOF;
935 end;
936 FQuery.Close;
937 end;
938
939procedure TOniDataADB.LoadRawFile(fileid,dat_offset:LongWord; target:Pointer);
940 var
941 mem:TStream;
942 begin
943 if fileid<Self.GetFilesCount then begin
944 FQuery.SQL.Text:='SELECT data FROM rawmap WHERE (src_id='+IntToStr(fileid)+') AND (src_link_offset='+IntToStr(dat_offset)+');';
945 FQuery.Open;
946 if FQuery.RecordCount>0 then begin
947 mem:=FQuery.CreateBlobStream(FQuery.FieldByName('data'),bmRead);
948 mem.Seek(0,soFromBeginning);
949 mem.Read(target^,mem.size);
950 mem.Free;
951 end;
952 FQuery.Close;
953 end;
954 end;
955
956procedure TOniDataADB.UpdateRawFile(fileid,dat_offset:LongWord; size:LongWord; target:Pointer);
957 var
958 MimeCoder: TStringFormat_MIME64;
959 mem:TMemoryStream;
960 begin
961 if fileid<Self.GetFilesCount then begin
962 mimecoder:=TStringFormat_MIME64.Create;
963 mem:=TMemoryStream.Create;
964 mem.Write(target^,size);
965 mem.Seek(0,soFromBeginning);
966 FQuery.SQL.Text:='UPDATE rawmap SET data=MimeToBin("'+MimeCoder.StrTo(mem.Memory, mem.Size)+'") WHERE (src_id='+IntToStr(fileid)+') AND (src_link_offset='+IntToStr(dat_offset)+');';
967 FQuery.ExecSQL;
968 mem.Free;
969 mimecoder.Free;
970 end;
971 end;
972
973procedure TOniDataADB.LoadRawFilePart(fileid,dat_offset:LongWord; offset,size:LongWord; target:Pointer);
974 var
975 data:Tdata;
976 mem:TMemoryStream;
977 begin
978 if fileid<Self.GetFilesCount then begin
979 SetLength(data, Self.GetRawInfo(fileid,dat_offset).raw_size);
980 Self.LoadRawFile(fileid,dat_offset,@data[0]);
981 mem:=TMemoryStream.Create;
982 mem.Write(data[offset],size);
983 mem.Read(target^,size);
984 mem.Free;
985 end;
986 end;
987
988procedure TOniDataADB.UpdateRawFilePart(fileid,dat_offset:LongWord; offset,size:LongWord; target:Pointer);
989 var
990 MimeCoder: TStringFormat_MIME64;
991 mem:TMemoryStream;
992 data:Tdata;
993 begin
994 if fileid<Self.GetFilesCount then begin
995 SetLength(data, Self.GetRawInfo(fileid,offset).raw_size);
996 Self.LoadRawFile(fileid,offset,@data[0]);
997 mimecoder:=TStringFormat_MIME64.Create;
998 mem:=TMemoryStream.Create;
999 mem.Write(data[0],Length(data));
1000 mem.Seek(offset,soFromBeginning);
1001 mem.Write(target^,size);
1002 mem.Seek(0,soFromBeginning);
1003 FQuery.SQL.Text:='UPDATE rawmap SET data=MimeToBin("'+MimeCoder.StrTo(mem.Memory, mem.Size)+'") WHERE (src_id='+IntToStr(fileid)+') AND (src_link_offset='+IntToStr(dat_offset)+');';
1004 FQuery.ExecSQL;
1005 mem.Free;
1006 mimecoder.Free;
1007 end;
1008 end;
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020function CreateDataConnection(filename:String; backend:Integer):Boolean;
1021 var
1022 answer:Boolean;
1023 begin
1024 if Assigned(OniDataConnection) then begin
1025 OniDataConnection.Close;
1026 OniDataConnection.Free;
1027 OniDataConnection:=Nil;
1028 end;
1029 case backend of
1030 ODB_Dat: OniDataConnection:=TOniDataDat.Create(filename, answer);
1031 ODB_ADB: OniDataConnection:=TOniDataADB.Create(filename, answer);
1032 else
1033 ShowMessage('Unknown Backend');
1034 Result:=False;
1035 Exit;
1036 end;
1037
1038 if answer then begin
1039// ShowMessage('file loaded');
1040// ShowMessage('Files: '+IntToStr(OniDataConnection.GetFilesCount));
1041 Result:=True;
1042 end else begin
1043 ShowMessage('File not loaded');
1044 OniDataConnection.Close;
1045 OniDataConnection.Free;
1046 Result:=False;
1047 end;
1048 end;
1049
1050procedure CloseDataConnection;
1051 begin
1052 if Assigned(OniDataConnection) then begin
1053 OniDataConnection.Close;
1054 OniDataConnection:=Nil;
1055 end;
1056 end;
1057
1058end.
Note: See TracBrowser for help on using the repository browser.