source: oup/releases/0.29a3/Unit2_functions.pas@ 1111

Last change on this file since 1111 was 31, checked in by alloc, 18 years ago
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1UNIT Unit2_functions;
2INTERFACE
3USES Classes, Dialogs, SysUtils, StrUtils, Math,
4 Unit3_data, ABSDecUtil, ABSMain, DB;
5
6TYPE
7 TExportSet=SET OF (DO_dat,DO_raw,DO_convert,DO_toone);
8
9FUNCTION GetFilesList(ext:String; pattern:String; NoEmptyFiles:Boolean):TStringList;
10FUNCTION GetFilesCount:LongWord;
11FUNCTION GetExtensionsList:TStringList;
12FUNCTION GetFileIDByName(name:String):LongWord;
13
14FUNCTION HexToLong(hex:String):LongWord;
15FUNCTION Decode_Int(buffer:Tdata):LongWord;
16FUNCTION Encode_Int(input:LongWord):Tdata;
17FUNCTION Decode_Float(buffer:Tdata):Single;
18FUNCTION Encode_Float(input:Single):Tdata;
19FUNCTION DataToBin(data:Tdata):String;
20FUNCTION BinToInt(bin:String):Byte;
21
22FUNCTION GetFileInfo(fileid:LongWord):TFileInfo;
23FUNCTION LoadDatInfos(filename:String):Boolean;
24PROCEDURE OpenDatabase(FileName:String);
25PROCEDURE CloseDatabase;
26
27FUNCTION LoadDatFile(fileid:LongWord):Tdata;
28PROCEDURE UpdateDatFile(fileid:LongWord; data:Tdata);
29FUNCTION LoadDatFilePart(fileid,offset,size:LongWord; target:Pointer):Boolean;
30FUNCTION UpdateDatFilePart(fileid,offset,size:LongWord; target:Pointer):Boolean;
31
32FUNCTION LoadRawFile(fileid,dat_offset,raw_addr,size:LongWord; loc_sep:Boolean; target:Pointer):Boolean;
33FUNCTION LoadRawFileByIDOffset(fileid,dat_offset:LongWord; target:Pointer):Boolean;
34FUNCTION UpdateRawFile(rawinfo:TRawInfo; target:Pointer):Boolean;
35
36FUNCTION ExportFile(fileid:LongWord; filename:String; settings:TExportSet; path:String):Integer;
37
38FUNCTION FormatNumber(value:LongWord; width:Byte; leadingzeros:Char):String;
39FUNCTION FormatFileSize(size:LongWord):String;
40FUNCTION CreateHexString(data:Tdata; HexOnly:Boolean):String;
41FUNCTION GetWinFileName(name:String):String;
42FUNCTION GetExtractPath:String;
43
44FUNCTION Explode(_string:String; delimiter:Char):TStringList;
45
46
47IMPLEMENTATION
48USES Unit4_Exporters, Unit9_data_structures;
49
50VAR
51 Database:TABSDatabase;
52 Query:TABSQuery;
53
54TYPE
55 TValueSwitcher=Record
56 CASE IsFloat: Boolean OF
57 True: (ValueFloat:Single);
58 False: (ValueInt:LongWord);
59 END;
60
61
62FUNCTION HexToLong(hex:String):LongWord;
63 FUNCTION NormalizeHexString(VAR hex:String):Boolean;
64 VAR
65 i:Byte;
66 BEGIN
67 IF hex[1]='$' THEN BEGIN
68 FOR i:=1 TO Length(hex)-1 DO BEGIN
69 hex[i]:=hex[i+1];
70 END;
71 SetLength(hex, Length(hex)-1);
72 END;
73 IF (hex[1]='0') AND (UpCase(hex[2])='X') THEN BEGIN
74 FOR i:=1 TO Length(hex)-2 DO BEGIN
75 hex[i]:=hex[i+2];
76 END;
77 SetLength(hex, Length(hex)-2);
78 END;
79 IF Length(hex)=0 THEN
80 Result:=False
81 ELSE
82 Result:=True;
83 END;
84 VAR
85 i:Byte;
86 BEGIN
87 IF NormalizeHexString(hex) THEN BEGIN
88 hex:=UpperCase(hex);
89 Result:=0;
90 FOR i:=1 TO Length(hex) DO BEGIN
91 Result:=Result SHL 4;
92 CASE hex[i] OF
93 '0'..'9': Result:=Result+Ord(hex[i])-48;
94 'A'..'F': Result:=Result+Ord(hex[i])-55;
95 ELSE
96 Result:=0;
97 Exit;
98 END;
99 END;
100 END ELSE BEGIN
101 Result:=0;
102 END;
103 END;
104
105FUNCTION Decode_Int(buffer:Tdata):LongWord;
106 BEGIN
107 Result:=buffer[0]+buffer[1]*256+buffer[2]*256*256+buffer[3]*256*256*256;
108 END;
109FUNCTION Encode_Int(input:LongWord):Tdata;
110 BEGIN
111 SetLength(Result,4);
112 Result[0]:=input MOD 256;
113 input:=input DIV 256;
114 Result[1]:=input MOD 256;
115 input:=input DIV 256;
116 Result[2]:=input MOD 256;
117 input:=input DIV 256;
118 Result[3]:=input MOD 256;
119 END;
120FUNCTION Decode_Float(buffer:Tdata):Single;
121 VAR _valueswitcher:TValueSwitcher;
122 BEGIN
123 _valueswitcher.ValueInt:=Decode_Int(buffer);
124 Result:=_valueswitcher.ValueFloat;
125 IF IsNAN(Result) THEN Result:=0.0;
126 END;
127FUNCTION Encode_Float(input:Single):Tdata;
128 VAR _valueswitcher:TValueSwitcher;
129 BEGIN
130 _valueswitcher.ValueFloat:=input;
131 Result:=Encode_Int(_valueswitcher.ValueInt);
132 END;
133
134FUNCTION DataToBin(data:Tdata):String;
135 VAR
136 i,j:Byte;
137 singlebyte:Byte;
138 bytepart:String;
139 BEGIN
140 SetLength(bytepart,8);
141 Result:='';
142 FOR i:=0 TO High(data) DO BEGIN
143 singlebyte:=data[i];
144 FOR j:=7 DOWNTO 0 DO BEGIN
145 bytepart[j+1]:=Char((singlebyte AND $01)+48);
146 singlebyte:=singlebyte SHR 1;
147 END;
148 Result:=Result+bytepart+' ';
149 END;
150 END;
151FUNCTION BinToInt(bin:String):Byte;
152 VAR
153 Add: Integer;
154 i: Byte;
155 BEGIN
156 Result:=0;
157 IF Length(bin)<>8 THEN Exit;
158 Add:=1;
159 FOR i:=8 DOWNTO 1 DO BEGIN
160 IF NOT (bin[i] IN ['0','1']) THEN Exit;
161 IF bin[i] = '1' THEN Inc(Result,Add);
162 Add:=Add SHL 1;
163 END;
164 END;
165
166FUNCTION GetFileInfo(fileid:LongWord):TFileInfo;
167 BEGIN
168 IF opened_state=opened_dat THEN BEGIN
169 Result:=dat_files[fileid];
170 END ELSE BEGIN
171 Query.SQL.Text:='SELECT * FROM datfiles WHERE id='+IntToStr(fileid)+' ORDER BY id ASC;';
172 Query.Open;
173 IF Query.RecordCount=1 THEN BEGIN
174 Query.First;
175 Result.ID:=Query.FieldByName('id').AsInteger;
176 Result.Name:=Query.FieldByName('name').AsString;
177 Result.Extension:=Query.FieldByName('extension').AsString;
178 Result.FileName:=FormatNumber(Result.ID,5,'0')+'-'+Result.Name+'.'+Result.Extension;
179 Result.Size:=Query.FieldByName('size').AsInteger;
180 Result.FileType:=Query.FieldByName('contenttype').AsInteger;
181 Result.DatAddr:=0;
182 Result.opened:=False;
183 END;
184 Query.Close;
185 END;
186 END;
187
188FUNCTION GetFileIDByName(name:String):LongWord;
189 BEGIN
190 IF AppSettings.FilenumbersAsHex THEN
191 Result:=HexToLong(MidStr(name,1,4))
192 ELSE
193 Result:=StrToInt(MidStr(name,1,5));
194 END;
195
196FUNCTION GetFilesCount:LongWord;
197 BEGIN
198 IF opened_state=opened_dat THEN BEGIN
199 Result:=dat_header.Files;
200 END ELSE BEGIN
201 Query.SQL.Text:='SELECT Count(*) AS cnumber FROM datfiles;';
202 Query.Open;
203 IF Query.RecordCount>0 THEN BEGIN
204 Query.First;
205 Result:=Query.FieldByName('cnumber').AsInteger;
206 END ELSE Result:=0;
207 Query.Close;
208 END;
209 END;
210
211FUNCTION GetFilesList(ext:String; pattern:String; NoEmptyFiles:Boolean):TStringList;
212 VAR
213 i:LongWord;
214 where:String;
215 where_ext:String;
216 BEGIN
217 SetLength(Result,0);
218 IF opened_state=opened_dat THEN BEGIN
219 FOR i:=0 TO dat_header.Files-1 DO BEGIN
220 IF ( (Length(ext)=0) OR (Pos(dat_files[i].Extension,ext)>0) ) AND
221 ( (Length(pattern)=0) OR (Pos(UpperCase(pattern),UpperCase(dat_files[i].Name))>0) ) THEN BEGIN
222 IF NoEmptyFiles THEN BEGIN
223 IF (dat_files[i].FileType AND $02)=0 THEN BEGIN
224 SetLength(Result,Length(Result)+1);
225 IF AppSettings.FilenumbersAsHex THEN
226 Result[High(Result)]:=dat_files[i].FileNameHex
227 ELSE
228 Result[High(Result)]:=dat_files[i].FileName;
229 END;
230 END ELSE BEGIN
231 SetLength(Result,Length(Result)+1);
232 IF AppSettings.FilenumbersAsHex THEN
233 Result[High(Result)]:=dat_files[i].FileNameHex
234 ELSE
235 Result[High(Result)]:=dat_files[i].FileName;
236 END;
237 END;
238 END;
239 END ELSE BEGIN
240 where:='';
241 IF Length(ext)>0 THEN BEGIN
242 IF Length(where)>0 THEN where:=where+' AND ';
243 IF Pos(',',ext)>0 THEN BEGIN
244 i:=1;
245 where_ext:='';
246 WHILE i<Length(ext) DO BEGIN
247 IF Length(where_ext)>0 THEN where_ext:=where_ext+' OR ';
248 where_ext:=where_ext+'(extension="'+MidStr(ext,i,4)+'")';
249 i:=i+5;
250 END;
251 where:=where+'('+where_ext+')';
252 END ELSE BEGIN
253 where:=where+'(extension="'+ext+'")';
254 END;
255 END;
256 IF Length(pattern)>0 THEN BEGIN
257 IF Length(where)>0 THEN where:=where+' AND ';
258 where:=where+'(name LIKE "%'+pattern+'%")';
259 END;
260 IF NoEmptyFiles THEN BEGIN
261 IF Length(where)>0 THEN where:=where+' AND ';
262 where:=where+'(contenttype<>2)';
263 END;
264 IF Length(where)>0 THEN where:=' WHERE '+where;
265 Query.SQL.Text:='SELECT id,name,extension FROM datfiles'+where+' ORDER BY id ASC;';
266 Query.Open;
267 IF Query.RecordCount>0 THEN BEGIN
268 Query.First;
269 SetLength(Result,Query.RecordCount);
270 i:=0;
271 REPEAT
272 Result[i]:=FormatNumber(Query.FieldByName('id').AsInteger,5,'0')+'-'+Query.FieldByName('name').AsString+'.'+Query.FieldByName('extension').AsString;
273 Inc(i);
274 Query.Next;
275 UNTIL Query.EOF;
276 END;
277 Query.Close;
278 END;
279 END;
280
281FUNCTION GetExtensionsList:TStringList;
282 VAR
283 i:LongWord;
284 BEGIN
285 SetLength(Result,0);
286 IF opened_state=opened_dat THEN BEGIN
287 FOR i:=0 TO dat_header.Extensions-1 DO BEGIN
288 SetLength(Result,Length(Result)+1);
289 WITH dat_extensionsmap[i] DO BEGIN
290 Result[High(Result)]:=Extension[3]+Extension[2]+Extension[1]+Extension[0]+' ('+IntToStr(ExtCount)+')';
291 END;
292 END;
293 END ELSE BEGIN
294 Query.SQL.Text:='SELECT extension,count(extension) AS x FROM datfiles GROUP BY extension ORDER BY extension ASC;';
295 Query.Open;
296 IF Query.RecordCount>0 THEN BEGIN
297 SetLength(Result,Query.RecordCount);
298 i:=0;
299 REPEAT
300 Result[i]:=Query.FieldByName('extension').AsString+' ('+IntToStr(Query.FieldByName('x').AsInteger)+')';
301 Inc(i);
302 Query.Next;
303 UNTIL Query.EOF;
304 END;
305 Query.Close;
306 END;
307 END;
308
309FUNCTION LoadDatInfos(filename:String):Boolean;
310 VAR i:LongWord;
311 dat_file:TFileStream;
312 header_pc,header_mac:Boolean;
313 BEGIN
314 Result:=True;
315 opened_state:=opened_dat;
316 dat_filename:=filename;
317 raw_filename:=MidStr(filename,1,Length(filename)-3)+'raw';
318 dat_file:=TFileStream.Create(filename, fmOpenRead);
319 dat_file.Read(dat_header,SizeOf(dat_header));
320 header_pc:=True;
321 header_mac:=True;
322 FOR i:=0 TO High(dat_header.Ident) DO BEGIN
323 IF dat_header.Ident[i]<>header_ident1_pc[i] THEN BEGIN
324 header_pc:=False;
325 END;
326 IF dat_header.Ident[i]<>header_ident1_mac[i] THEN BEGIN
327 header_mac:=False;
328 END;
329 END;
330 IF NOT (header_pc OR header_mac) THEN BEGIN
331 Result:=False;
332 Exit;
333 END ELSE BEGIN
334 IF (header_pc AND NOT header_mac) THEN
335 dat_os_mac:=False
336 ELSE
337 IF (NOT header_pc AND header_mac) THEN
338 dat_os_mac:=True
339 ELSE BEGIN
340 Result:=False;
341 Exit;
342 END;
343 END;
344 SetLength(dat_filesmap,dat_header.Files);
345 SetLength(dat_files,dat_header.Files);
346 FOR i:=0 TO dat_header.Files-1 DO dat_file.Read(dat_filesmap[i],SizeOf(dat_filesmap[i]));
347 FOR i:=0 TO dat_header.Files-1 DO BEGIN
348 dat_files[i].Extension:=dat_filesmap[i].Extension;
349 dat_files[i].Extension:=ReverseString(dat_files[i].Extension);
350 dat_files[i].Size:=dat_filesmap[i].FileSize;
351 dat_files[i].FileType:=dat_filesmap[i].FileType;
352 dat_files[i].DatAddr:=dat_filesmap[i].DataAddr-8+dat_header.DataAddr;
353 IF (dat_filesmap[i].FileType AND $01)=0 THEN BEGIN
354 dat_file.Seek(dat_filesmap[i].NameAddr+dat_header.NamesAddr,soFromBeginning);
355 SetLength(dat_files[i].Name,100);
356 dat_file.Read(dat_files[i].Name[1],100);
357 dat_files[i].Name:=MidStr(dat_files[i].Name,1+4,Pos(#0,dat_files[i].Name)-1-4);
358 END ELSE BEGIN
359 dat_files[i].Name:='';
360 END;
361 dat_files[i].FileName:=FormatNumber(i,5,'0')+'-'+dat_files[i].Name+'.'+dat_files[i].Extension;
362 dat_files[i].FileNameHex:=IntToHex(i,4)+'-'+dat_files[i].Name+'.'+dat_files[i].Extension;
363 END;
364 dat_file.Seek($40+dat_header.Files*$14,soFromBeginning);
365 SetLength(dat_namedfilesmap,dat_header.NamedFiles);
366 FOR i:=0 TO dat_header.NamedFiles-1 DO dat_file.Read(dat_namedfilesmap[i],SizeOf(dat_namedfilesmap[i]));
367
368 dat_file.Seek($40+dat_header.Files*$14+dat_header.NamedFiles*$8,soFromBeginning);
369 SetLength(dat_extensionsmap,dat_header.Extensions);
370 FOR i:=0 TO dat_header.Extensions-1 DO dat_file.Read(dat_extensionsmap[i],SizeOf(dat_extensionsmap[i]));
371
372 dat_file.Free;
373 END;
374
375
376FUNCTION LoadDatFile(fileid:LongWord):Tdata;
377 VAR
378 dat_file:TFileStream;
379 mem:TStream;
380 BEGIN
381 IF opened_state=opened_dat THEN BEGIN
382 dat_file:=TFileStream.Create(dat_filename, fmOpenRead);
383 dat_file.Seek(dat_files[fileid].DatAddr,soFromBeginning);
384 SetLength(Result,dat_files[fileid].Size);
385 dat_file.Read(Result[0],dat_files[fileid].Size);
386 dat_file.Free;
387 END ELSE BEGIN
388 Query.SQL.Text:='SELECT data FROM datfiles WHERE id='+IntToStr(fileid)+';';
389 Query.Open;
390 IF Query.RecordCount>0 THEN BEGIN
391 mem:=Query.CreateBlobStream(Query.FieldByName('data'),bmRead);
392 SetLength(Result,mem.Size);
393 mem.Seek(0,soFromBeginning);
394 mem.Read(Result[0],mem.Size);
395 mem.Free;
396 END;
397 Query.Close;
398 END;
399 END;
400PROCEDURE UpdateDatFile(fileid:LongWord; data:Tdata);
401 VAR
402 dat_file:TFileStream;
403 BEGIN
404 IF opened_state=opened_dat THEN BEGIN
405 dat_file:=TFileStream.Create(dat_filename, fmOpenReadWrite);
406 dat_file.Seek(dat_files[fileid].DatAddr,soFromBeginning);
407 dat_file.Write(data[0],Length(data));
408 dat_file.Free;
409 END ELSE BEGIN
410 END;
411 END;
412
413FUNCTION LoadDatFilePart(fileid,offset,size:LongWord; target:Pointer):Boolean;
414 VAR
415 dat_file:TFileStream;
416 mem:TStream;
417 BEGIN
418 Result:=False;
419 IF opened_state=opened_dat THEN BEGIN
420 dat_file:=TFileStream.Create(dat_filename, fmOpenRead);
421 Result:=True;
422 dat_file.Seek(dat_files[fileid].DatAddr+offset,soFromBeginning);
423 dat_file.Read(target^,size);
424 dat_file.Free;
425 END ELSE BEGIN
426 Query.SQL.Text:='SELECT data FROM datfiles WHERE id='+IntToStr(fileid)+';';
427 Query.Open;
428 IF Query.RecordCount>0 THEN BEGIN
429 mem:=Query.CreateBlobStream(Query.FieldByName('data'),bmRead);
430 mem.Seek(offset,soFromBeginning);
431 mem.Read(target^,size);
432 mem.Free;
433 END;
434 Query.Close;
435 END;
436 END;
437FUNCTION UpdateDatFilePart(fileid,offset,size:LongWord; target:Pointer):Boolean;
438 VAR
439 dat_file:TFileStream;
440 BEGIN
441 Result:=False;
442 IF opened_state=opened_dat THEN BEGIN
443 dat_file:=TFileStream.Create(dat_filename, fmOpenReadWrite);
444 Result:=True;
445 dat_file.Seek(dat_files[fileid].DatAddr+offset,soFromBeginning);
446 dat_file.Write(target^,size);
447 dat_file.Free;
448 END ELSE BEGIN
449 END;
450 END;
451
452FUNCTION LoadRawFile(fileid,dat_offset,raw_addr,size:LongWord; loc_sep:Boolean; target:Pointer):Boolean;
453 VAR
454 filestream:TFileStream;
455 mem:TStream;
456 BEGIN
457 Result:=False;
458 IF opened_state=opened_dat THEN BEGIN
459 Result:=True;
460 IF NOT loc_sep THEN
461 filestream:=TFileStream.Create(AnsiReplaceStr(dat_filename,'.dat','.raw'),fmOpenRead)
462 ELSE
463 filestream:=TFileStream.Create(AnsiReplaceStr(dat_filename,'.dat','.sep'),fmOpenRead);
464 filestream.Seek(raw_addr,soFromBeginning);
465 filestream.Read(target^,size);
466 filestream.Free;
467 END ELSE BEGIN
468 Query.SQL.Text:='SELECT data FROM rawmap WHERE (src_id='+IntToStr(fileid)+') AND (src_link_offset='+IntToStr(dat_offset)+');';
469 Query.Open;
470 IF Query.RecordCount>0 THEN BEGIN
471 Result:=True;
472 mem:=Query.CreateBlobStream(Query.FieldByName('data'),bmRead);
473 mem.Seek(0,soFromBeginning);
474 mem.Read(target^,size);
475 mem.Free;
476 END;
477 Query.Close;
478 END;
479 END;
480FUNCTION LoadRawFileByIDOffset(fileid,dat_offset:LongWord; target:Pointer):Boolean;
481 VAR
482 i:Byte;
483 raw_info:TRawInfo;
484 mem:TStream;
485 BEGIN
486 Result:=False;
487 IF opened_state=opened_dat THEN BEGIN
488 Result:=True;
489 raw_info:=GetRawInfo(fileid,dat_offset);
490 LoadRawFile(fileid,dat_offset,raw_info.raw_addr,raw_info.raw_size,raw_info.loc_sep,target);
491 END ELSE BEGIN
492 Query.SQL.Text:='SELECT data FROM rawmap WHERE (src_id='+IntToStr(fileid)+') AND (src_link_offset='+IntToStr(dat_offset)+');';
493 Query.Open;
494 IF Query.RecordCount>0 THEN BEGIN
495 Result:=True;
496 mem:=Query.CreateBlobStream(Query.FieldByName('data'),bmRead);
497 mem.Seek(0,soFromBeginning);
498 mem.Read(target^,mem.size);
499 mem.Free;
500 END;
501 Query.Close;
502 END;
503 END;
504FUNCTION UpdateRawFile(rawinfo:TRawInfo; target:Pointer):Boolean;
505 VAR
506 filestream:TFileStream;
507 BEGIN
508 Result:=False;
509 IF opened_state=opened_dat THEN BEGIN
510 Result:=True;
511 IF NOT rawinfo.loc_sep THEN
512 filestream:=TFileStream.Create(AnsiReplaceStr(dat_filename,'.dat','.raw'),fmOpenReadWrite)
513 ELSE
514 filestream:=TFileStream.Create(AnsiReplaceStr(dat_filename,'.dat','.sep'),fmOpenReadWrite);
515 filestream.Seek(rawinfo.raw_addr,soFromBeginning);
516 filestream.Write(target^,rawinfo.raw_size);
517 filestream.Free;
518 END ELSE BEGIN
519 END;
520 END;
521
522
523FUNCTION FormatNumber(value:LongWord; width:Byte; leadingzeros:Char):String;
524 BEGIN
525 Result:=AnsiReplaceStr(Format('%'+IntToStr(width)+'u',[value]),' ',leadingzeros);
526 END;
527
528FUNCTION FormatFileSize(size:LongWord):String;
529 BEGIN
530 IF size>=1000*1024*1024 THEN BEGIN
531 Result:=FloatToStrF(size/1024/1024/1024,ffFixed,5,1)+' GB';
532 END ELSE BEGIN
533 IF size>=1000*1024 THEN BEGIN
534 Result:=FloatToStrF(size/1024/1024,ffFixed,5,1)+' MB';
535 END ELSE BEGIN
536 IF size>=1000 THEN BEGIN
537 Result:=FloatToStrF(size/1024,ffFixed,5,1)+' KB';
538 END ELSE BEGIN
539 Result:=IntToStr(size)+' B';
540 END;
541 END;
542 END;
543 END;
544
545FUNCTION CreateHexString(data:Tdata; HexOnly:Boolean):String;
546 VAR
547 string_build,ascii_version:String;
548 i:LongWord;
549 BEGIN
550 string_build:='';
551 ascii_version:='';
552 FOR i:=0 TO High(data) DO BEGIN
553 IF NOT HexOnly THEN
554 IF (i MOD 16)=0 THEN
555 string_build:=string_build+'0x'+IntToHex(i,6)+' ';
556 string_build:=string_build+IntToHex(data[i],2);
557 IF NOT HexOnly THEN BEGIN
558 IF data[i]>=32 THEN ascii_version:=ascii_version+Chr(data[i])
559 ELSE ascii_version:=ascii_version+'.';
560 IF ((i+1) MOD 2)=0 THEN string_build:=string_build+#32;
561 IF ((i+1) MOD 16)=0 THEN BEGIN
562 string_build:=string_build+#32+ascii_version+CrLf;
563 ascii_version:='';
564 END;
565 END;
566 END;
567 Result:=string_build;
568 END;
569
570
571FUNCTION ExportFile(fileid:LongWord; filename:String; settings:TExportSet; path:String):Integer;
572 VAR
573 i:Byte;
574 extension:String;
575 rawlist:TRawList;
576 BEGIN
577 Result:=export_noerror;
578 extension:=RightStr(filename,4);
579 IF DO_toone IN settings THEN BEGIN
580 ExportDatFile(fileid,path+'\'+GetWinFileName(filename));
581 END ELSE BEGIN
582 IF DO_dat IN settings THEN ExportDatFile(fileid,path+'\'+GetWinFileName(filename));
583 IF DO_raw IN settings THEN BEGIN
584 rawlist:=GetRawList(fileid);
585 IF Length(rawlist)>0 THEN BEGIN
586 FOR i:=0 TO High(rawlist) DO BEGIN
587 ExportRawFile(fileid,rawlist[i].src_offset,path+'\'+GetWinFileName(filename));
588 END;
589 END;
590 END;
591 END;
592 END;
593
594FUNCTION Explode(_string:String; delimiter:Char):TStringList;
595 VAR
596 start,len:Word;
597 BEGIN
598 SetLength(Result, 0);
599 start:=1;
600 WHILE PosEx(delimiter,_string,start)>0 DO BEGIN
601 len:=PosEx(delimiter,_string,start)-start;
602 SetLength(Result, Length(Result)+1);
603 Result[High(Result)]:=MidStr(_string,start,len);
604 start:=start+len+1;
605 END;
606 SetLength(Result, Length(Result)+1);
607 Result[High(Result)]:=MidStr(_string,start,Length(_string)-start+1);
608 END;
609
610FUNCTION GetWinFileName(name:String):String;
611 BEGIN
612 Result:=name;
613 Result:=AnsiReplaceStr(Result,'\','__');
614 Result:=AnsiReplaceStr(Result,'/','__');
615 Result:=AnsiReplaceStr(Result,'>','__');
616 Result:=AnsiReplaceStr(Result,'<','__');
617 END;
618
619FUNCTION GetExtractPath:String;
620 BEGIN
621 Result:=ExtractFilePath(dat_filename)+'\extracted_'+ExtractFileName(dat_filename);
622 END;
623
624
625PROCEDURE OpenDatabase(FileName:String);
626 VAR
627 i:Byte;
628 temps:String;
629 BEGIN
630 IF NOT FileExists(FileName) THEN BEGIN
631 ShowMessage('File doesn''t exist!!!');
632 Exit;
633 END;
634 Database:=TABSDatabase.Create(NIL);
635 Database.DatabaseName:='OLDBcon';
636 Database.DatabaseFileName:=FileName;
637 Database.Open;
638 Query:=TABSQuery.Create(Database);
639 Query.DatabaseName:='OLDBcon';
640 Query.SQL.Text:='SELECT [name],[value] FROM globals ORDER BY [name] ASC';
641 Query.Open;
642 Query.First;
643 REPEAT
644 IF Query.FieldByName('name').AsString='dbversion' THEN BEGIN
645 IF Query.FieldByName('value').AsString<>DBversion THEN BEGIN
646 ShowMessage('Database-file '+CrLf+'"'+FileName+'"'+CrLf+'has wrong version. (Required: '+DBversion+'; found: '+Query.FieldByName('value').AsString+')');
647 Query.Close;
648 CloseDatabase;
649 Exit;
650 END;
651 END;
652 IF Query.FieldByName('name').AsString='lvl' THEN BEGIN
653 database_level:=StrToInt(Query.FieldByName('value').AsString);
654 END;
655 IF Query.FieldByName('name').AsString='ident' THEN BEGIN
656 temps:=Query.FieldByName('value').AsString;
657 FOR i:=0 TO High(database_ident) DO BEGIN
658 CASE temps[(i*2)+1+0] OF
659 '0'..'9': database_ident[i]:=Ord(temps[(i*2)+1+0])-48;
660 'A'..'F': database_ident[i]:=Ord(temps[(i*2)+1+0])-55;
661 END;
662 database_ident[i]:=database_ident[i]*16;
663 CASE temps[(i*2)+1+1] OF
664 '0'..'9': database_ident[i]:=database_ident[i]+Ord(temps[(i*2)+1+0])-48;
665 'A'..'F': database_ident[i]:=database_ident[i]+Ord(temps[(i*2)+1+0])-55;
666 END;
667 END;
668 END;
669 Query.Next;
670 UNTIL Query.Eof;
671 Query.Close;
672 opened_state:=opened_db;
673 END;
674PROCEDURE CloseDatabase;
675 BEGIN
676 Database.Close;
677 Database.Free;
678 opened_state:=opened_nothing;
679 END;
680
681
682
683END.
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