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1 | // Copyright (c) 1998-1999 Matra Datavision |
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2 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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3 | // |
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4 | // This file is part of Open CASCADE Technology software library. |
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5 | // |
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6 | // This library is free software; you can redistribute it and/or modify it under |
7 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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8 | // by the Free Software Foundation, with special exception defined in the file |
9 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
10 | // distribution for complete text of the license and disclaimer of any warranty. |
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11 | // |
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12 | // Alternatively, this file may be used under the terms of Open CASCADE |
13 | // commercial license or contractual agreement. |
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14 | |
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15 | |
16 | #include <FSD_BinaryFile.hxx> |
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17 | #include <OSD.hxx> |
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18 | #include <OSD_OpenFile.hxx> |
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19 | #include <Storage_BaseDriver.hxx> |
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20 | #include <Storage_HArrayOfCallBack.hxx> |
21 | #include <Storage_HeaderData.hxx> |
22 | #include <Storage_InternalData.hxx> |
23 | #include <Storage_RootData.hxx> |
42cf5bc1 |
24 | #include <Storage_StreamExtCharParityError.hxx> |
25 | #include <Storage_StreamFormatError.hxx> |
26 | #include <Storage_StreamTypeMismatchError.hxx> |
27 | #include <Storage_StreamWriteError.hxx> |
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28 | #include <Storage_TypeData.hxx> |
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29 | #include <TCollection_AsciiString.hxx> |
30 | #include <TCollection_ExtendedString.hxx> |
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31 | #include <Standard_Assert.hxx> |
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32 | |
33 | const Standard_CString MAGICNUMBER = "BINFILE"; |
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34 | |
35 | //======================================================================= |
36 | //function : FSD_BinaryFile |
37 | //purpose : |
38 | //======================================================================= |
39 | |
40 | FSD_BinaryFile::FSD_BinaryFile() : |
41 | myStream(0L) |
42 | { |
43 | myHeader.testindian = -1; |
44 | myHeader.binfo = -1; |
45 | myHeader.einfo = -1; |
46 | myHeader.bcomment = -1; |
47 | myHeader.ecomment = -1; |
48 | myHeader.btype = -1; |
49 | myHeader.etype = -1; |
50 | myHeader.broot = -1; |
51 | myHeader.eroot = -1; |
52 | myHeader.bref = -1; |
53 | myHeader.eref = -1; |
54 | myHeader.bdata = -1; |
55 | myHeader.edata = -1; |
56 | } |
57 | |
58 | //======================================================================= |
59 | //function : IsGoodFileType |
60 | //purpose : INFO SECTION |
61 | // write |
62 | //======================================================================= |
63 | |
64 | Storage_Error FSD_BinaryFile::IsGoodFileType(const TCollection_AsciiString& aName) |
65 | { |
66 | FSD_BinaryFile f; |
67 | Storage_Error s; |
68 | |
69 | s = f.Open(aName,Storage_VSRead); |
70 | |
71 | if (s == Storage_VSOk) { |
72 | TCollection_AsciiString l; |
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73 | Standard_Size len = strlen(FSD_BinaryFile::MagicNumber()); |
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74 | |
75 | f.ReadChar(l,len); |
76 | |
77 | f.Close(); |
78 | |
79 | if (strncmp(FSD_BinaryFile::MagicNumber(),l.ToCString(),len) != 0) { |
80 | s = Storage_VSFormatError; |
81 | } |
82 | } |
83 | |
84 | return s; |
85 | } |
86 | |
87 | //======================================================================= |
88 | //function : Open |
89 | //purpose : |
90 | //======================================================================= |
91 | |
92 | Storage_Error FSD_BinaryFile::Open(const TCollection_AsciiString& aName,const Storage_OpenMode aMode) |
93 | { |
94 | Storage_Error result = Storage_VSOk; |
95 | |
96 | SetName(aName); |
97 | |
98 | if (OpenMode() == Storage_VSNone) { |
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99 | if (aMode == Storage_VSRead) { |
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100 | myStream = OSD_OpenFile(aName.ToCString(),"rb"); |
d9ff84e8 |
101 | } |
102 | else if (aMode == Storage_VSWrite) { |
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103 | myStream = OSD_OpenFile(aName.ToCString(),"wb"); |
d9ff84e8 |
104 | } |
105 | else if (aMode == Storage_VSReadWrite) { |
94708556 |
106 | myStream = OSD_OpenFile(aName.ToCString(),"w+b"); |
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107 | } |
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108 | |
109 | if (myStream == 0L) { |
110 | result = Storage_VSOpenError; |
111 | } |
112 | else { |
113 | SetOpenMode(aMode); |
114 | } |
115 | } |
116 | else { |
117 | result = Storage_VSAlreadyOpen; |
118 | } |
119 | |
120 | return result; |
121 | } |
122 | |
123 | //======================================================================= |
124 | //function : IsEnd |
125 | //purpose : |
126 | //======================================================================= |
127 | |
128 | Standard_Boolean FSD_BinaryFile::IsEnd() |
129 | { |
130 | return (feof(myStream) != 0); |
131 | } |
132 | |
133 | //======================================================================= |
134 | //function : Close |
135 | //purpose : |
136 | //======================================================================= |
137 | |
138 | Storage_Error FSD_BinaryFile::Close() |
139 | { |
140 | Storage_Error result = Storage_VSOk; |
141 | |
142 | if (OpenMode() != Storage_VSNone) { |
143 | fclose(myStream); |
144 | SetOpenMode(Storage_VSNone); |
145 | } |
146 | else { |
147 | result = Storage_VSNotOpen; |
148 | } |
149 | |
150 | return result; |
151 | } |
152 | |
153 | //======================================================================= |
154 | //function : MagicNumber |
155 | //purpose : ------------------ PROTECTED |
156 | //======================================================================= |
157 | |
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158 | Standard_CString FSD_BinaryFile::MagicNumber() |
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159 | { |
160 | return MAGICNUMBER; |
161 | } |
162 | |
163 | //======================================================================= |
164 | //function : ReadChar |
165 | //purpose : read <rsize> character from the current position. |
166 | //======================================================================= |
167 | |
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168 | void FSD_BinaryFile::ReadChar(TCollection_AsciiString& buffer, const Standard_Size rsize) |
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169 | { |
170 | char c; |
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171 | Standard_Size ccount = 0; |
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172 | |
173 | buffer.Clear(); |
174 | |
175 | while (!IsEnd() && (ccount < rsize)) { |
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176 | ccount += fread(&c, sizeof(char),1, myStream); |
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177 | buffer += c; |
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178 | } |
179 | } |
180 | |
181 | //======================================================================= |
182 | //function : SkipObject |
183 | //purpose : |
184 | //======================================================================= |
185 | |
186 | void FSD_BinaryFile::SkipObject() |
187 | { |
188 | |
189 | } |
190 | |
191 | //======================================================================= |
192 | //function : PutReference |
193 | //purpose : ---------------------- PUBLIC : PUT |
194 | //======================================================================= |
195 | |
196 | Storage_BaseDriver& FSD_BinaryFile::PutReference(const Standard_Integer aValue) |
197 | { |
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198 | #if OCCT_BINARY_FILE_DO_INVERSE |
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199 | Standard_Integer t = InverseInt (aValue); |
200 | |
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201 | if (!fwrite(&t,sizeof(Standard_Integer),1,myStream)) throw Storage_StreamWriteError(); |
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202 | #else |
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203 | if (!fwrite(&aValue,sizeof(Standard_Integer),1,myStream)) throw Storage_StreamWriteError(); |
7fd59977 |
204 | #endif |
205 | return *this; |
206 | } |
207 | |
208 | //======================================================================= |
209 | //function : PutCharacter |
210 | //purpose : |
211 | //======================================================================= |
212 | |
213 | Storage_BaseDriver& FSD_BinaryFile::PutCharacter(const Standard_Character aValue) |
214 | { |
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215 | if (!fwrite(&aValue,sizeof(Standard_Character),1,myStream)) throw Storage_StreamWriteError(); |
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216 | return *this; |
217 | } |
218 | |
219 | //======================================================================= |
220 | //function : PutExtCharacter |
221 | //purpose : |
222 | //======================================================================= |
223 | |
224 | Storage_BaseDriver& FSD_BinaryFile::PutExtCharacter(const Standard_ExtCharacter aValue) |
225 | { |
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226 | #if OCCT_BINARY_FILE_DO_INVERSE |
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227 | Standard_ExtCharacter t = InverseExtChar (aValue); |
228 | |
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229 | if (!fwrite(&t,sizeof(Standard_ExtCharacter),1,myStream)) throw Storage_StreamWriteError(); |
7fd59977 |
230 | #else |
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231 | if (!fwrite(&aValue,sizeof(Standard_ExtCharacter),1,myStream)) throw Storage_StreamWriteError(); |
7fd59977 |
232 | #endif |
233 | return *this; |
234 | } |
235 | |
236 | //======================================================================= |
237 | //function : PutInteger |
238 | //purpose : |
239 | //======================================================================= |
240 | |
241 | Storage_BaseDriver& FSD_BinaryFile::PutInteger(const Standard_Integer aValue) |
242 | { |
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243 | #if OCCT_BINARY_FILE_DO_INVERSE |
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244 | Standard_Integer t = InverseInt (aValue); |
245 | |
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246 | if (!fwrite(&t,sizeof(Standard_Integer),1,myStream)) throw Storage_StreamWriteError(); |
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247 | #else |
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248 | if (!fwrite(&aValue,sizeof(Standard_Integer),1,myStream)) throw Storage_StreamWriteError(); |
7fd59977 |
249 | #endif |
250 | |
251 | return *this; |
252 | } |
253 | |
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254 | //======================================================================= |
255 | //function : PutInteger |
256 | //purpose : |
257 | //======================================================================= |
258 | Standard_Integer FSD_BinaryFile::PutInteger (Standard_OStream& theOStream, |
259 | const Standard_Integer theValue, |
260 | const Standard_Boolean theOnlyCount) |
261 | { |
262 | #if OCCT_BINARY_FILE_DO_INVERSE |
263 | Standard_Integer t = InverseInt (theValue); |
264 | #else |
265 | Standard_Integer t = theValue; |
266 | #endif |
267 | |
268 | if (!theOnlyCount) |
269 | { |
270 | theOStream.write ((char*)&t, sizeof(Standard_Integer)); |
271 | if (theOStream.fail()) |
272 | { |
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273 | throw Storage_StreamWriteError(); |
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274 | } |
275 | } |
276 | |
277 | return sizeof(Standard_Integer); |
278 | } |
279 | |
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280 | //======================================================================= |
281 | //function : PutBoolean |
282 | //purpose : |
283 | //======================================================================= |
284 | |
285 | Storage_BaseDriver& FSD_BinaryFile::PutBoolean(const Standard_Boolean aValue) |
286 | { |
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287 | #if OCCT_BINARY_FILE_DO_INVERSE |
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288 | Standard_Integer t = InverseInt ((Standard_Integer) aValue); |
7fd59977 |
289 | #else |
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290 | Standard_Integer t = aValue ? 1 : 0; |
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291 | #endif |
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292 | if (!fwrite(&t,sizeof(Standard_Integer),1,myStream)) throw Storage_StreamWriteError(); |
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293 | return *this; |
294 | } |
295 | |
296 | //======================================================================= |
297 | //function : PutReal |
298 | //purpose : |
299 | //======================================================================= |
300 | |
301 | Storage_BaseDriver& FSD_BinaryFile::PutReal(const Standard_Real aValue) |
302 | { |
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303 | #if OCCT_BINARY_FILE_DO_INVERSE |
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304 | Standard_Real t = InverseReal (aValue); |
305 | |
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306 | if (!fwrite(&t,sizeof(Standard_Real),1,myStream)) throw Storage_StreamWriteError(); |
7fd59977 |
307 | #else |
9775fa61 |
308 | if (!fwrite(&aValue,sizeof(Standard_Real),1,myStream)) throw Storage_StreamWriteError(); |
7fd59977 |
309 | #endif |
310 | return *this; |
311 | } |
312 | |
313 | //======================================================================= |
314 | //function : PutShortReal |
315 | //purpose : |
316 | //======================================================================= |
317 | |
318 | Storage_BaseDriver& FSD_BinaryFile::PutShortReal(const Standard_ShortReal aValue) |
319 | { |
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320 | #if OCCT_BINARY_FILE_DO_INVERSE |
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321 | Standard_ShortReal t = InverseShortReal (aValue); |
322 | |
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323 | if (!fwrite(&t,sizeof(Standard_ShortReal),1,myStream)) throw Storage_StreamWriteError(); |
7fd59977 |
324 | #else |
9775fa61 |
325 | if (!fwrite(&aValue,sizeof(Standard_ShortReal),1,myStream)) throw Storage_StreamWriteError(); |
7fd59977 |
326 | #endif |
327 | return *this; |
328 | } |
329 | |
330 | //======================================================================= |
331 | //function : GetReference |
332 | //purpose : ----------------- PUBLIC : GET |
333 | //======================================================================= |
334 | |
335 | Storage_BaseDriver& FSD_BinaryFile::GetReference(Standard_Integer& aValue) |
336 | { |
337 | if (!fread(&aValue,sizeof(Standard_Integer),1,myStream)) |
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338 | throw Storage_StreamTypeMismatchError(); |
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339 | #if OCCT_BINARY_FILE_DO_INVERSE |
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340 | aValue = InverseInt (aValue); |
341 | #endif |
342 | return *this; |
343 | } |
344 | |
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345 | //======================================================================= |
346 | //function : GetReference |
347 | //purpose : ----------------- PUBLIC : GET |
348 | //======================================================================= |
349 | void FSD_BinaryFile::GetReference(Standard_IStream& theIStream, Standard_Integer& aValue) |
350 | { |
351 | theIStream.read ((char*)&aValue, sizeof(Standard_Integer)); |
352 | |
353 | if (theIStream.gcount() != sizeof(Standard_Integer)) |
354 | { |
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355 | throw Storage_StreamTypeMismatchError(); |
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356 | } |
357 | |
358 | #if OCCT_BINARY_FILE_DO_INVERSE |
359 | aValue = InverseInt (aValue); |
360 | #endif |
361 | } |
362 | |
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363 | //======================================================================= |
364 | //function : GetCharacter |
365 | //purpose : |
366 | //======================================================================= |
367 | |
368 | Storage_BaseDriver& FSD_BinaryFile::GetCharacter(Standard_Character& aValue) |
369 | { |
370 | if (!fread(&aValue,sizeof(Standard_Character),1,myStream)) |
9775fa61 |
371 | throw Storage_StreamTypeMismatchError(); |
7fd59977 |
372 | return *this; |
373 | } |
374 | |
375 | //======================================================================= |
376 | //function : GetExtCharacter |
377 | //purpose : |
378 | //======================================================================= |
379 | |
380 | Storage_BaseDriver& FSD_BinaryFile::GetExtCharacter(Standard_ExtCharacter& aValue) |
381 | { |
382 | if (!fread(&aValue,sizeof(Standard_ExtCharacter),1,myStream)) |
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383 | throw Storage_StreamTypeMismatchError(); |
10a4116e |
384 | #if OCCT_BINARY_FILE_DO_INVERSE |
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385 | aValue = InverseExtChar (aValue); |
386 | #endif |
387 | return *this; |
388 | } |
389 | |
390 | //======================================================================= |
391 | //function : GetInteger |
392 | //purpose : |
393 | //======================================================================= |
394 | |
395 | Storage_BaseDriver& FSD_BinaryFile::GetInteger(Standard_Integer& aValue) |
396 | { |
397 | if (!fread(&aValue,sizeof(Standard_Integer),1,myStream)) |
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398 | throw Storage_StreamTypeMismatchError(); |
10a4116e |
399 | #if OCCT_BINARY_FILE_DO_INVERSE |
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400 | aValue = InverseInt (aValue); |
401 | #endif |
402 | return *this; |
403 | } |
404 | |
4ff92abe |
405 | //======================================================================= |
406 | //function : GetInteger |
407 | //purpose : |
408 | //======================================================================= |
409 | void FSD_BinaryFile::GetInteger (Standard_IStream& theIStream, Standard_Integer& theValue) |
410 | { |
411 | |
412 | theIStream.read ((char*)&theValue, sizeof(Standard_Integer)); |
413 | |
414 | if (theIStream.gcount() != sizeof(Standard_Integer)) |
415 | { |
9775fa61 |
416 | throw Storage_StreamTypeMismatchError(); |
4ff92abe |
417 | } |
418 | |
419 | #if OCCT_BINARY_FILE_DO_INVERSE |
420 | theValue = InverseInt (theValue); |
421 | #endif |
422 | } |
423 | |
7fd59977 |
424 | //======================================================================= |
425 | //function : GetBoolean |
426 | //purpose : |
427 | //======================================================================= |
428 | |
429 | Storage_BaseDriver& FSD_BinaryFile::GetBoolean(Standard_Boolean& aValue) |
430 | { |
dde68833 |
431 | Standard_Integer anInt = 0; |
432 | if (!fread(&anInt,sizeof(Standard_Integer),1,myStream)) |
9775fa61 |
433 | throw Storage_StreamTypeMismatchError(); |
10a4116e |
434 | #if OCCT_BINARY_FILE_DO_INVERSE |
dde68833 |
435 | anInt = InverseInt (anInt); |
7fd59977 |
436 | #endif |
dde68833 |
437 | aValue = (anInt != 0); |
7fd59977 |
438 | return *this; |
439 | } |
440 | |
441 | //======================================================================= |
442 | //function : GetReal |
443 | //purpose : |
444 | //======================================================================= |
445 | |
446 | Storage_BaseDriver& FSD_BinaryFile::GetReal(Standard_Real& aValue) |
447 | { |
448 | if (!fread(&aValue,sizeof(Standard_Real),1,myStream)) |
9775fa61 |
449 | throw Storage_StreamTypeMismatchError(); |
10a4116e |
450 | #if OCCT_BINARY_FILE_DO_INVERSE |
7fd59977 |
451 | aValue = InverseReal (aValue); |
452 | #endif |
453 | return *this; |
454 | } |
455 | |
456 | //======================================================================= |
457 | //function : GetShortReal |
458 | //purpose : |
459 | //======================================================================= |
460 | |
461 | Storage_BaseDriver& FSD_BinaryFile::GetShortReal(Standard_ShortReal& aValue) |
462 | { |
463 | if (!fread(&aValue,sizeof(Standard_ShortReal),1,myStream)) |
9775fa61 |
464 | throw Storage_StreamTypeMismatchError(); |
10a4116e |
465 | #if OCCT_BINARY_FILE_DO_INVERSE |
7fd59977 |
466 | aValue = InverseShortReal (aValue); |
467 | #endif |
468 | return *this; |
469 | } |
470 | |
471 | //======================================================================= |
472 | //function : Destroy |
473 | //purpose : |
474 | //======================================================================= |
475 | |
476 | void FSD_BinaryFile::Destroy() |
477 | { |
478 | if (OpenMode() != Storage_VSNone) { |
479 | Close(); |
480 | } |
481 | } |
482 | |
483 | //======================================================================= |
484 | //function : BeginWriteInfoSection |
485 | //purpose : -------------------------- INFO : WRITE |
486 | //======================================================================= |
487 | |
488 | Storage_Error FSD_BinaryFile::BeginWriteInfoSection() |
489 | { |
10a4116e |
490 | union { |
491 | char ti2[4]; |
492 | Standard_Integer aResult; |
493 | } aWrapUnion; |
494 | |
495 | aWrapUnion.ti2[0] = 1; |
496 | aWrapUnion.ti2[1] = 2; |
497 | aWrapUnion.ti2[2] = 3; |
498 | aWrapUnion.ti2[3] = 4; |
499 | |
500 | myHeader.testindian = aWrapUnion.aResult; |
501 | |
7fd59977 |
502 | if (!fwrite(FSD_BinaryFile::MagicNumber(), |
503 | strlen(FSD_BinaryFile::MagicNumber()), |
504 | 1, |
505 | myStream)) |
9775fa61 |
506 | throw Storage_StreamWriteError(); |
7fd59977 |
507 | |
508 | myHeader.binfo = ftell(myStream); |
509 | WriteHeader(); |
510 | |
511 | return Storage_VSOk; |
512 | } |
513 | |
514 | //======================================================================= |
515 | //function : WriteInfo |
516 | //purpose : |
517 | //======================================================================= |
518 | |
519 | void FSD_BinaryFile::WriteInfo(const Standard_Integer nbObj, |
520 | const TCollection_AsciiString& dbVersion, |
521 | const TCollection_AsciiString& date, |
522 | const TCollection_AsciiString& schemaName, |
523 | const TCollection_AsciiString& schemaVersion, |
524 | const TCollection_ExtendedString& appName, |
525 | const TCollection_AsciiString& appVersion, |
526 | const TCollection_ExtendedString& dataType, |
527 | const TColStd_SequenceOfAsciiString& userInfo) |
528 | { |
529 | Standard_Integer i; |
530 | |
531 | PutInteger(nbObj); |
532 | WriteString(dbVersion); |
533 | WriteString(date); |
534 | WriteString(schemaName); |
535 | WriteString(schemaVersion); |
536 | WriteExtendedString(appName); |
537 | WriteString(appVersion); |
538 | WriteExtendedString(dataType); |
539 | i = userInfo.Length(); |
540 | |
541 | PutInteger(i); |
542 | for (i = 1; i <= userInfo.Length(); i++) { |
543 | WriteString(userInfo.Value(i)); |
544 | } |
545 | } |
546 | |
4ff92abe |
547 | //======================================================================= |
548 | //function : WriteInfo |
549 | //purpose : |
550 | //======================================================================= |
551 | Standard_Integer FSD_BinaryFile::WriteInfo (Standard_OStream& theOStream, |
552 | const Standard_Integer theObjNb, |
553 | const TCollection_AsciiString& theStoreVer, |
554 | const TCollection_AsciiString& theCreationDate, |
555 | const TCollection_AsciiString& theSchemaName, |
556 | const TCollection_AsciiString& theSchemaVersion, |
557 | const TCollection_ExtendedString& theAppName, |
558 | const TCollection_AsciiString& theAppVer, |
559 | const TCollection_ExtendedString& theDataType, |
560 | const TColStd_SequenceOfAsciiString& theUserInfo, |
561 | const Standard_Boolean theOnlyCount) |
562 | { |
563 | Standard_Integer anInfoSize = 0; |
564 | |
565 | anInfoSize += PutInteger (theOStream, theObjNb, theOnlyCount); |
566 | anInfoSize += WriteString(theOStream, theStoreVer, theOnlyCount); |
567 | anInfoSize += WriteString(theOStream, theCreationDate, theOnlyCount); |
568 | anInfoSize += WriteString(theOStream, theSchemaName, theOnlyCount); |
569 | anInfoSize += WriteString(theOStream, theSchemaVersion, theOnlyCount); |
570 | anInfoSize += WriteExtendedString(theOStream, theAppName, theOnlyCount); |
571 | anInfoSize += WriteString(theOStream, theAppVer, theOnlyCount); |
572 | anInfoSize += WriteExtendedString(theOStream, theDataType, theOnlyCount); |
573 | |
574 | Standard_Integer i = theUserInfo.Length(); |
575 | anInfoSize += PutInteger(theOStream, i, theOnlyCount); |
576 | |
577 | for (i = 1; i <= theUserInfo.Length(); i++) { |
578 | anInfoSize += WriteString (theOStream, theUserInfo.Value(i), theOnlyCount); |
579 | } |
580 | |
581 | return anInfoSize; |
582 | } |
583 | |
7fd59977 |
584 | //======================================================================= |
585 | //function : EndWriteInfoSection |
586 | //purpose : read |
587 | //======================================================================= |
588 | |
589 | Storage_Error FSD_BinaryFile::EndWriteInfoSection() |
590 | { |
591 | myHeader.einfo = ftell(myStream); |
592 | |
593 | return Storage_VSOk; |
594 | } |
595 | |
4ff92abe |
596 | //======================================================================= |
597 | //function : EndWriteInfoSection |
598 | //purpose : read |
599 | //======================================================================= |
600 | Storage_Error FSD_BinaryFile::EndWriteInfoSection(Standard_OStream& theOStream) |
601 | { |
602 | myHeader.einfo = (Standard_Integer)theOStream.tellp(); |
603 | |
604 | return Storage_VSOk; |
605 | } |
606 | |
7fd59977 |
607 | //======================================================================= |
608 | //function : BeginReadInfoSection |
609 | //purpose : |
610 | //======================================================================= |
611 | |
612 | Storage_Error FSD_BinaryFile::BeginReadInfoSection() |
613 | { |
614 | Storage_Error s = Storage_VSOk; |
615 | TCollection_AsciiString l; |
fb8a7358 |
616 | Standard_Size len = strlen(FSD_BinaryFile::MagicNumber()); |
7fd59977 |
617 | |
618 | ReadChar(l,len); |
619 | |
620 | if (strncmp(FSD_BinaryFile::MagicNumber(),l.ToCString(),len) != 0) { |
621 | s = Storage_VSFormatError; |
622 | } |
623 | else { |
624 | ReadHeader(); |
625 | } |
626 | |
627 | return s; |
628 | } |
629 | |
630 | //======================================================================= |
631 | //function : ReadInfo |
632 | //purpose : ------------------- INFO : READ |
633 | //======================================================================= |
634 | |
635 | void FSD_BinaryFile::ReadInfo(Standard_Integer& nbObj, |
636 | TCollection_AsciiString& dbVersion, |
637 | TCollection_AsciiString& date, |
638 | TCollection_AsciiString& schemaName, |
639 | TCollection_AsciiString& schemaVersion, |
640 | TCollection_ExtendedString& appName, |
641 | TCollection_AsciiString& appVersion, |
642 | TCollection_ExtendedString& dataType, |
643 | TColStd_SequenceOfAsciiString& userInfo) |
644 | { |
645 | GetInteger(nbObj); |
646 | ReadString(dbVersion); |
647 | ReadString(date); |
648 | ReadString(schemaName); |
649 | ReadString(schemaVersion); |
650 | ReadExtendedString(appName); |
651 | ReadString(appVersion); |
652 | ReadExtendedString(dataType); |
653 | |
654 | Standard_Integer i,len = 0; |
655 | |
656 | GetInteger(len); |
657 | TCollection_AsciiString line; |
658 | |
659 | for (i = 1; i <= len && !IsEnd(); i++) { |
660 | ReadString(line); |
661 | userInfo.Append(line); |
662 | } |
663 | } |
664 | |
4ff92abe |
665 | //======================================================================= |
666 | //function : ReadInfo |
667 | //purpose : |
668 | //======================================================================= |
669 | void FSD_BinaryFile::ReadCompleteInfo (Standard_IStream& theIStream, Handle(Storage_Data)& theData) |
670 | { |
671 | FSD_FileHeader aHeaderPos; |
672 | ReadHeader(theIStream, aHeaderPos); |
673 | |
674 | if (theData.IsNull()) |
675 | { |
676 | theData = new Storage_Data(); |
677 | } |
678 | |
679 | Handle(Storage_InternalData) iData = theData->InternalData(); |
680 | Handle(Storage_TypeData) tData = theData->TypeData(); |
681 | Handle(Storage_RootData) rData = theData->RootData(); |
682 | Handle(Storage_HeaderData) hData = theData->HeaderData(); |
683 | |
684 | ReadHeaderData (theIStream, hData); |
685 | |
686 | Handle(Storage_HArrayOfCallBack) theCallBack; |
687 | |
688 | while (theIStream.good() && !theIStream.eof()) |
689 | { |
690 | Standard_Integer aPos = (Standard_Integer)theIStream.tellg(); |
691 | |
692 | if (aPos >= aHeaderPos.edata) |
693 | { |
694 | break; |
695 | } |
696 | else if (aPos == aHeaderPos.bcomment) |
697 | { |
698 | TColStd_SequenceOfExtendedString mComment; |
699 | ReadComment (theIStream, mComment); |
700 | |
701 | for (Standard_Integer i = 1; i <= mComment.Length(); i++) |
702 | { |
703 | hData->AddToComments (mComment.Value(i)); |
704 | } |
705 | |
706 | iData->ReadArray() = new Storage_HPArray(1, theData->NumberOfObjects()); |
707 | } |
708 | else if (aPos == aHeaderPos.btype) |
709 | { |
710 | Standard_Integer aTypeSectionSize = TypeSectionSize (theIStream); |
711 | theCallBack = new Storage_HArrayOfCallBack (1, aTypeSectionSize); |
712 | |
713 | TCollection_AsciiString aTypeName; |
714 | Standard_Integer aTypeNum; |
715 | |
716 | for (Standard_Integer i = 1; i <= aTypeSectionSize; i++) |
717 | { |
718 | ReadTypeInformations (theIStream, aTypeNum, aTypeName); |
719 | tData->AddType (aTypeName,aTypeNum); |
720 | |
721 | theCallBack->SetValue (aTypeNum, NULL); |
722 | } |
723 | } |
724 | else if (aPos == aHeaderPos.broot) |
725 | { |
726 | Standard_Integer aRootSectionSize = RootSectionSize(theIStream); |
727 | |
728 | Standard_Integer aRef; |
729 | TCollection_AsciiString aRootName, aTypeName; |
730 | Handle(Storage_Root) aRoot; |
731 | Handle(Standard_Persistent) aPer; |
732 | |
733 | for (Standard_Integer i = 1; i <= aRootSectionSize; i++) |
734 | { |
735 | ReadRoot (theIStream, aRootName, aRef, aTypeName); |
736 | |
737 | aRoot = new Storage_Root(aRootName, aPer); |
738 | aRoot->SetReference(aRef); |
739 | aRoot->SetType(aTypeName); |
740 | rData->AddRoot(aRoot); |
741 | } |
742 | } |
743 | else if (aPos == aHeaderPos.bref) |
744 | { |
745 | Standard_Integer aRefSectionSize = RefSectionSize (theIStream); |
746 | |
747 | Standard_Integer aTypeNum, aRef = 0; |
748 | |
749 | for (Standard_Integer i = 1; i <= aRefSectionSize; i++) |
750 | { |
751 | ReadReferenceType (theIStream, aRef, aTypeNum); |
752 | |
753 | iData->ReadArray()->ChangeValue(aRef) = theCallBack->Value(aTypeNum)->New(); |
754 | |
755 | if (!iData->ReadArray()->ChangeValue(aRef).IsNull()) |
756 | { |
757 | iData->ReadArray()->ChangeValue(aRef)->TypeNum() = aTypeNum; |
758 | } |
759 | } |
760 | } |
761 | else if (aPos == aHeaderPos.bdata) |
762 | { |
763 | // |
764 | } |
765 | } |
766 | |
767 | Handle(Storage_HSeqOfRoot) aRoots = rData->Roots(); |
768 | for(Standard_Integer i = 1; i <= theData->NumberOfRoots(); i++) |
769 | { |
770 | const Handle(Storage_Root)& aCurRoot = aRoots->Value(i); |
771 | rData->UpdateRoot (aCurRoot->Name(), iData->ReadArray()->Value (aCurRoot->Reference())); |
772 | } |
773 | |
774 | iData->Clear(); |
775 | } |
776 | |
7fd59977 |
777 | //======================================================================= |
778 | //function : EndReadInfoSection |
779 | //purpose : COMMENTS SECTION |
780 | // write |
781 | //======================================================================= |
782 | |
783 | Storage_Error FSD_BinaryFile::EndReadInfoSection() |
784 | { |
785 | if (!fseek(myStream,myHeader.einfo,SEEK_SET)) return Storage_VSOk; |
786 | else return Storage_VSSectionNotFound; |
787 | } |
788 | |
789 | //======================================================================= |
790 | //function : BeginWriteCommentSection |
791 | //purpose : ---------------- COMMENTS : WRITE |
792 | //======================================================================= |
793 | |
794 | Storage_Error FSD_BinaryFile::BeginWriteCommentSection() |
795 | { |
796 | myHeader.bcomment = ftell(myStream); |
797 | return Storage_VSOk; |
798 | } |
799 | |
4ff92abe |
800 | //======================================================================= |
801 | //function : BeginWriteCommentSection |
802 | //purpose : |
803 | //======================================================================= |
804 | Storage_Error FSD_BinaryFile::BeginWriteCommentSection(Standard_OStream& theOStream) |
805 | { |
806 | myHeader.bcomment = (Standard_Integer)theOStream.tellp(); |
807 | return Storage_VSOk; |
808 | } |
809 | |
7fd59977 |
810 | //======================================================================= |
811 | //function : WriteComment |
812 | //purpose : |
813 | //======================================================================= |
814 | |
815 | void FSD_BinaryFile::WriteComment(const TColStd_SequenceOfExtendedString& aCom) |
816 | { |
817 | Standard_Integer i,aSize; |
818 | |
819 | aSize = aCom.Length(); |
820 | PutInteger(aSize); |
821 | for (i = 1; i <= aSize; i++) { |
822 | WriteExtendedString(aCom.Value(i)); |
823 | } |
824 | } |
825 | |
4ff92abe |
826 | //======================================================================= |
827 | //function : WriteComment |
828 | //purpose : |
829 | //======================================================================= |
830 | Standard_Integer FSD_BinaryFile::WriteComment (Standard_OStream& theOStream, |
831 | const TColStd_SequenceOfExtendedString& theComments, |
832 | const Standard_Boolean theOnlyCount) |
833 | { |
834 | Standard_Integer aCommentSize = 0; |
835 | |
836 | Standard_Integer aSize = theComments.Length(); |
837 | aCommentSize += PutInteger(theOStream, aSize, theOnlyCount); |
838 | |
839 | for (Standard_Integer i = 1; i <= aSize; i++) { |
840 | aCommentSize += WriteExtendedString (theOStream, theComments.Value(i), theOnlyCount); |
841 | } |
842 | |
843 | return aCommentSize; |
844 | } |
845 | |
7fd59977 |
846 | //======================================================================= |
847 | //function : EndWriteCommentSection |
848 | //purpose : read |
849 | //======================================================================= |
850 | |
851 | Storage_Error FSD_BinaryFile::EndWriteCommentSection() |
852 | { |
853 | myHeader.ecomment = ftell(myStream); |
854 | |
855 | return Storage_VSOk; |
856 | } |
857 | |
4ff92abe |
858 | //======================================================================= |
859 | //function : EndWriteCommentSection |
860 | //purpose : read |
861 | //======================================================================= |
862 | Storage_Error FSD_BinaryFile::EndWriteCommentSection (Standard_OStream& theOStream) |
863 | { |
864 | myHeader.ecomment = (Standard_Integer)theOStream.tellp(); |
865 | |
866 | return Storage_VSOk; |
867 | } |
868 | |
7fd59977 |
869 | //======================================================================= |
870 | //function : BeginReadCommentSection |
871 | //purpose : ---------------- COMMENTS : READ |
872 | //======================================================================= |
873 | |
874 | Storage_Error FSD_BinaryFile::BeginReadCommentSection() |
875 | { |
876 | if (!fseek(myStream,myHeader.bcomment,SEEK_SET)) return Storage_VSOk; |
877 | else return Storage_VSSectionNotFound; |
878 | } |
879 | |
880 | //======================================================================= |
881 | //function : ReadComment |
882 | //purpose : |
883 | //======================================================================= |
884 | |
885 | void FSD_BinaryFile::ReadComment(TColStd_SequenceOfExtendedString& aCom) |
886 | { |
887 | TCollection_ExtendedString line; |
888 | Standard_Integer len,i; |
889 | |
890 | GetInteger(len); |
891 | for (i = 1; i <= len && !IsEnd(); i++) { |
892 | ReadExtendedString(line); |
893 | aCom.Append(line); |
894 | } |
895 | } |
896 | |
4ff92abe |
897 | //======================================================================= |
898 | //function : ReadComment |
899 | //purpose : |
900 | //======================================================================= |
901 | void FSD_BinaryFile::ReadComment (Standard_IStream& theIStream, TColStd_SequenceOfExtendedString& aCom) |
902 | { |
903 | TCollection_ExtendedString line; |
904 | Standard_Integer len,i; |
905 | |
906 | GetInteger(theIStream, len); |
907 | for (i = 1; i <= len && theIStream.good(); i++) |
908 | { |
909 | ReadExtendedString(theIStream, line); |
910 | aCom.Append(line); |
911 | } |
912 | } |
913 | |
7fd59977 |
914 | //======================================================================= |
915 | //function : EndReadCommentSection |
916 | //purpose : |
917 | //======================================================================= |
918 | |
919 | Storage_Error FSD_BinaryFile::EndReadCommentSection() |
920 | { |
921 | if (!fseek(myStream,myHeader.ecomment,SEEK_SET)) return Storage_VSOk; |
922 | else return Storage_VSSectionNotFound; |
923 | } |
924 | |
925 | //======================================================================= |
926 | //function : BeginWriteTypeSection |
927 | //purpose : --------------- TYPE : WRITE |
928 | //======================================================================= |
929 | |
930 | Storage_Error FSD_BinaryFile::BeginWriteTypeSection() |
931 | { |
932 | myHeader.btype = ftell(myStream); |
933 | |
934 | return Storage_VSOk; |
935 | } |
936 | |
937 | //======================================================================= |
938 | //function : SetTypeSectionSize |
939 | //purpose : |
940 | //======================================================================= |
941 | |
942 | void FSD_BinaryFile::SetTypeSectionSize(const Standard_Integer aSize) |
943 | { |
944 | PutInteger(aSize); |
945 | } |
946 | |
947 | //======================================================================= |
948 | //function : WriteTypeInformations |
949 | //purpose : |
950 | //======================================================================= |
951 | |
952 | void FSD_BinaryFile::WriteTypeInformations(const Standard_Integer typeNum, |
953 | const TCollection_AsciiString& typeName) |
954 | { |
955 | PutInteger(typeNum); |
956 | WriteString(typeName); |
957 | } |
958 | |
959 | //======================================================================= |
960 | //function : EndWriteTypeSection |
961 | //purpose : read |
962 | //======================================================================= |
963 | |
964 | Storage_Error FSD_BinaryFile::EndWriteTypeSection() |
965 | { |
966 | myHeader.etype = ftell(myStream); |
967 | |
968 | return Storage_VSOk; |
969 | } |
970 | |
971 | //======================================================================= |
972 | //function : BeginReadTypeSection |
973 | //purpose : ------------------- TYPE : READ |
974 | //======================================================================= |
975 | |
976 | Storage_Error FSD_BinaryFile::BeginReadTypeSection() |
977 | { |
978 | if (!fseek(myStream,myHeader.btype,SEEK_SET)) return Storage_VSOk; |
979 | else return Storage_VSSectionNotFound; |
980 | } |
981 | |
982 | //======================================================================= |
983 | //function : TypeSectionSize |
984 | //purpose : |
985 | //======================================================================= |
986 | |
987 | Standard_Integer FSD_BinaryFile::TypeSectionSize() |
988 | { |
989 | Standard_Integer i; |
990 | |
991 | GetInteger(i); |
992 | return i; |
993 | } |
994 | |
4ff92abe |
995 | //======================================================================= |
996 | //function : TypeSectionSize |
997 | //purpose : |
998 | //======================================================================= |
999 | Standard_Integer FSD_BinaryFile::TypeSectionSize(Standard_IStream& theIStream) |
1000 | { |
1001 | Standard_Integer i; |
1002 | |
1003 | GetInteger(theIStream, i); |
1004 | return i; |
1005 | } |
1006 | |
7fd59977 |
1007 | //======================================================================= |
1008 | //function : ReadTypeInformations |
1009 | //purpose : |
1010 | //======================================================================= |
1011 | |
1012 | void FSD_BinaryFile::ReadTypeInformations(Standard_Integer& typeNum,TCollection_AsciiString& typeName) |
1013 | { |
1014 | GetInteger(typeNum); |
1015 | ReadString(typeName); |
1016 | } |
1017 | |
4ff92abe |
1018 | //======================================================================= |
1019 | //function : ReadTypeInformations |
1020 | //purpose : |
1021 | //======================================================================= |
1022 | void FSD_BinaryFile::ReadTypeInformations(Standard_IStream& theIStream, Standard_Integer& typeNum,TCollection_AsciiString& typeName) |
1023 | { |
1024 | GetInteger(theIStream, typeNum); |
1025 | ReadString(theIStream, typeName); |
1026 | } |
1027 | |
7fd59977 |
1028 | //======================================================================= |
1029 | //function : EndReadTypeSection |
1030 | //purpose : ROOT SECTION |
1031 | // write |
1032 | //======================================================================= |
1033 | |
1034 | Storage_Error FSD_BinaryFile::EndReadTypeSection() |
1035 | { |
1036 | if (!fseek(myStream,myHeader.etype,SEEK_SET)) return Storage_VSOk; |
1037 | else return Storage_VSSectionNotFound; |
1038 | } |
1039 | |
1040 | //======================================================================= |
1041 | //function : BeginWriteRootSection |
1042 | //purpose : -------------------- ROOT : WRITE |
1043 | //======================================================================= |
1044 | |
1045 | Storage_Error FSD_BinaryFile::BeginWriteRootSection() |
1046 | { |
1047 | myHeader.broot = ftell(myStream); |
1048 | |
1049 | return Storage_VSOk; |
1050 | } |
1051 | |
1052 | //======================================================================= |
1053 | //function : SetRootSectionSize |
1054 | //purpose : |
1055 | //======================================================================= |
1056 | |
1057 | void FSD_BinaryFile::SetRootSectionSize(const Standard_Integer aSize) |
1058 | { |
1059 | PutInteger(aSize); |
1060 | } |
1061 | |
1062 | //======================================================================= |
1063 | //function : WriteRoot |
1064 | //purpose : |
1065 | //======================================================================= |
1066 | |
1067 | void FSD_BinaryFile::WriteRoot(const TCollection_AsciiString& rootName, const Standard_Integer aRef, const TCollection_AsciiString& rootType) |
1068 | { |
1069 | PutReference(aRef); |
1070 | WriteString(rootName); |
1071 | WriteString(rootType); |
1072 | } |
1073 | |
1074 | //======================================================================= |
1075 | //function : EndWriteRootSection |
1076 | //purpose : read |
1077 | //======================================================================= |
1078 | |
1079 | Storage_Error FSD_BinaryFile::EndWriteRootSection() |
1080 | { |
1081 | myHeader.eroot = ftell(myStream); |
1082 | |
1083 | return Storage_VSOk; |
1084 | } |
1085 | |
1086 | //======================================================================= |
1087 | //function : BeginReadRootSection |
1088 | //purpose : ----------------------- ROOT : READ |
1089 | //======================================================================= |
1090 | |
1091 | Storage_Error FSD_BinaryFile::BeginReadRootSection() |
1092 | { |
1093 | if (!fseek(myStream,myHeader.broot,SEEK_SET)) return Storage_VSOk; |
1094 | else return Storage_VSSectionNotFound; |
1095 | } |
1096 | |
1097 | //======================================================================= |
1098 | //function : RootSectionSize |
1099 | //purpose : |
1100 | //======================================================================= |
1101 | |
1102 | Standard_Integer FSD_BinaryFile::RootSectionSize() |
1103 | { |
1104 | Standard_Integer i; |
1105 | |
1106 | GetInteger(i); |
1107 | return i; |
1108 | } |
1109 | |
4ff92abe |
1110 | //======================================================================= |
1111 | //function : RootSectionSize |
1112 | //purpose : |
1113 | //======================================================================= |
1114 | Standard_Integer FSD_BinaryFile::RootSectionSize (Standard_IStream& theIStream) |
1115 | { |
1116 | Standard_Integer i; |
1117 | |
1118 | GetInteger(theIStream, i); |
1119 | return i; |
1120 | } |
1121 | |
7fd59977 |
1122 | //======================================================================= |
1123 | //function : ReadRoot |
1124 | //purpose : |
1125 | //======================================================================= |
1126 | |
1127 | void FSD_BinaryFile::ReadRoot(TCollection_AsciiString& rootName, Standard_Integer& aRef,TCollection_AsciiString& rootType) |
1128 | { |
1129 | GetReference(aRef); |
1130 | ReadString(rootName); |
1131 | ReadString(rootType); |
1132 | } |
1133 | |
4ff92abe |
1134 | //======================================================================= |
1135 | //function : ReadRoot |
1136 | //purpose : |
1137 | //======================================================================= |
1138 | void FSD_BinaryFile::ReadRoot (Standard_IStream& theIStream, TCollection_AsciiString& rootName, Standard_Integer& aRef,TCollection_AsciiString& rootType) |
1139 | { |
1140 | GetReference(theIStream, aRef); |
1141 | ReadString(theIStream, rootName); |
1142 | ReadString(theIStream, rootType); |
1143 | } |
1144 | |
7fd59977 |
1145 | //======================================================================= |
1146 | //function : EndReadRootSection |
1147 | //purpose : REF SECTION |
1148 | // write |
1149 | //======================================================================= |
1150 | |
1151 | Storage_Error FSD_BinaryFile::EndReadRootSection() |
1152 | { |
1153 | if (!fseek(myStream,myHeader.eroot,SEEK_SET)) return Storage_VSOk; |
1154 | else return Storage_VSSectionNotFound; |
1155 | } |
1156 | |
1157 | //======================================================================= |
1158 | //function : BeginWriteRefSection |
1159 | //purpose : -------------------------- REF : WRITE |
1160 | //======================================================================= |
1161 | |
1162 | Storage_Error FSD_BinaryFile::BeginWriteRefSection() |
1163 | { |
1164 | myHeader.bref = ftell(myStream); |
1165 | |
1166 | return Storage_VSOk; |
1167 | } |
1168 | |
1169 | //======================================================================= |
1170 | //function : SetRefSectionSize |
1171 | //purpose : |
1172 | //======================================================================= |
1173 | |
1174 | void FSD_BinaryFile::SetRefSectionSize(const Standard_Integer aSize) |
1175 | { |
1176 | PutInteger(aSize); |
1177 | } |
1178 | |
1179 | //======================================================================= |
1180 | //function : WriteReferenceType |
1181 | //purpose : |
1182 | //======================================================================= |
1183 | |
1184 | void FSD_BinaryFile::WriteReferenceType(const Standard_Integer reference,const Standard_Integer typeNum) |
1185 | { |
1186 | PutReference(reference); |
1187 | PutInteger(typeNum); |
1188 | } |
1189 | |
1190 | //======================================================================= |
1191 | //function : EndWriteRefSection |
1192 | //purpose : read |
1193 | //======================================================================= |
1194 | |
1195 | Storage_Error FSD_BinaryFile::EndWriteRefSection() |
1196 | { |
1197 | myHeader.eref = ftell(myStream); |
1198 | |
1199 | return Storage_VSOk; |
1200 | } |
1201 | |
1202 | //======================================================================= |
1203 | //function : BeginReadRefSection |
1204 | //purpose : ----------------------- REF : READ |
1205 | //======================================================================= |
1206 | |
1207 | Storage_Error FSD_BinaryFile::BeginReadRefSection() |
1208 | { |
1209 | if (!fseek(myStream,myHeader.bref,SEEK_SET)) return Storage_VSOk; |
1210 | else return Storage_VSSectionNotFound; |
1211 | } |
1212 | |
1213 | //======================================================================= |
1214 | //function : RefSectionSize |
1215 | //purpose : |
1216 | //======================================================================= |
1217 | |
1218 | Standard_Integer FSD_BinaryFile::RefSectionSize() |
1219 | { |
1220 | Standard_Integer i; |
1221 | |
1222 | GetInteger(i); |
1223 | return i; |
1224 | } |
1225 | |
4ff92abe |
1226 | //======================================================================= |
1227 | //function : RefSectionSize |
1228 | //purpose : |
1229 | //======================================================================= |
1230 | Standard_Integer FSD_BinaryFile::RefSectionSize (Standard_IStream& theIStream) |
1231 | { |
1232 | Standard_Integer i; |
1233 | |
1234 | GetInteger(theIStream, i); |
1235 | return i; |
1236 | } |
1237 | |
7fd59977 |
1238 | //======================================================================= |
1239 | //function : ReadReferenceType |
1240 | //purpose : |
1241 | //======================================================================= |
1242 | |
1243 | void FSD_BinaryFile::ReadReferenceType(Standard_Integer& reference, |
1244 | Standard_Integer& typeNum) |
1245 | { |
1246 | GetReference(reference); |
1247 | GetInteger(typeNum); |
1248 | } |
1249 | |
4ff92abe |
1250 | //======================================================================= |
1251 | //function : ReadReferenceType |
1252 | //purpose : |
1253 | //======================================================================= |
1254 | void FSD_BinaryFile::ReadReferenceType (Standard_IStream& theIStream, Standard_Integer& reference, Standard_Integer& typeNum) |
1255 | { |
1256 | GetReference (theIStream, reference); |
1257 | GetInteger (theIStream, typeNum); |
1258 | } |
1259 | |
7fd59977 |
1260 | //======================================================================= |
1261 | //function : EndReadRefSection |
1262 | //purpose : DATA SECTION |
1263 | // write |
1264 | //======================================================================= |
1265 | |
1266 | Storage_Error FSD_BinaryFile::EndReadRefSection() |
1267 | { |
1268 | if (!fseek(myStream,myHeader.eref,SEEK_SET)) return Storage_VSOk; |
1269 | else return Storage_VSSectionNotFound; |
1270 | } |
1271 | |
1272 | //======================================================================= |
1273 | //function : BeginWriteDataSection |
1274 | //purpose : -------------------- DATA : WRITE |
1275 | //======================================================================= |
1276 | |
1277 | Storage_Error FSD_BinaryFile::BeginWriteDataSection() |
1278 | { |
1279 | myHeader.bdata = ftell(myStream); |
1280 | |
1281 | return Storage_VSOk; |
1282 | } |
1283 | |
1284 | //======================================================================= |
1285 | //function : WritePersistentObjectHeader |
1286 | //purpose : |
1287 | //======================================================================= |
1288 | |
1289 | void FSD_BinaryFile::WritePersistentObjectHeader(const Standard_Integer aRef, |
1290 | const Standard_Integer aType) |
1291 | { |
1292 | PutReference(aRef); |
1293 | PutInteger(aType); |
1294 | } |
1295 | |
1296 | //======================================================================= |
1297 | //function : BeginWritePersistentObjectData |
1298 | //purpose : |
1299 | //======================================================================= |
1300 | |
1301 | void FSD_BinaryFile::BeginWritePersistentObjectData() |
1302 | { |
1303 | } |
1304 | |
1305 | //======================================================================= |
1306 | //function : BeginWriteObjectData |
1307 | //purpose : |
1308 | //======================================================================= |
1309 | |
1310 | void FSD_BinaryFile::BeginWriteObjectData() |
1311 | { |
1312 | } |
1313 | |
1314 | //======================================================================= |
1315 | //function : EndWriteObjectData |
1316 | //purpose : |
1317 | //======================================================================= |
1318 | |
1319 | void FSD_BinaryFile::EndWriteObjectData() |
1320 | { |
1321 | } |
1322 | |
1323 | //======================================================================= |
1324 | //function : EndWritePersistentObjectData |
1325 | //purpose : |
1326 | //======================================================================= |
1327 | |
1328 | void FSD_BinaryFile::EndWritePersistentObjectData() |
1329 | { |
1330 | } |
1331 | |
1332 | //======================================================================= |
1333 | //function : EndWriteDataSection |
1334 | //purpose : read |
1335 | //======================================================================= |
1336 | |
1337 | Storage_Error FSD_BinaryFile::EndWriteDataSection() |
1338 | { |
1339 | myHeader.edata = ftell(myStream); |
1340 | |
1341 | fseek(myStream,myHeader.binfo,SEEK_SET); |
1342 | WriteHeader(); |
1343 | return Storage_VSOk; |
1344 | } |
1345 | |
1346 | //======================================================================= |
1347 | //function : BeginReadDataSection |
1348 | //purpose : ---------------------- DATA : READ |
1349 | //======================================================================= |
1350 | |
1351 | Storage_Error FSD_BinaryFile::BeginReadDataSection() |
1352 | { |
1353 | if (!fseek(myStream,myHeader.bdata,SEEK_SET)) return Storage_VSOk; |
1354 | else return Storage_VSSectionNotFound; |
1355 | } |
1356 | |
1357 | //======================================================================= |
1358 | //function : ReadPersistentObjectHeader |
1359 | //purpose : |
1360 | //======================================================================= |
1361 | |
1362 | void FSD_BinaryFile::ReadPersistentObjectHeader(Standard_Integer& aRef, |
1363 | Standard_Integer& aType) |
1364 | { |
1365 | GetReference(aRef); |
1366 | GetInteger(aType); |
1367 | } |
1368 | |
1369 | //======================================================================= |
1370 | //function : BeginReadPersistentObjectData |
1371 | //purpose : |
1372 | //======================================================================= |
1373 | |
1374 | void FSD_BinaryFile::BeginReadPersistentObjectData() |
1375 | { |
1376 | } |
1377 | |
1378 | //======================================================================= |
1379 | //function : BeginReadObjectData |
1380 | //purpose : |
1381 | //======================================================================= |
1382 | |
1383 | void FSD_BinaryFile::BeginReadObjectData() |
1384 | { |
1385 | } |
1386 | |
1387 | //======================================================================= |
1388 | //function : EndReadObjectData |
1389 | //purpose : |
1390 | //======================================================================= |
1391 | |
1392 | void FSD_BinaryFile::EndReadObjectData() |
1393 | { |
1394 | } |
1395 | |
1396 | //======================================================================= |
1397 | //function : EndReadPersistentObjectData |
1398 | //purpose : |
1399 | //======================================================================= |
1400 | |
1401 | void FSD_BinaryFile::EndReadPersistentObjectData() |
1402 | { |
1403 | } |
1404 | |
1405 | //======================================================================= |
1406 | //function : EndReadDataSection |
1407 | //purpose : |
1408 | //======================================================================= |
1409 | |
1410 | Storage_Error FSD_BinaryFile::EndReadDataSection() |
1411 | { |
1412 | if (!fseek(myStream,myHeader.edata,SEEK_SET)) return Storage_VSOk; |
1413 | else return Storage_VSSectionNotFound; |
1414 | } |
1415 | |
1416 | //======================================================================= |
1417 | //function : WriteString |
1418 | //purpose : write string at the current position. |
1419 | //======================================================================= |
1420 | |
1421 | void FSD_BinaryFile::WriteString(const TCollection_AsciiString& aString) |
1422 | { |
1423 | Standard_Integer size; |
1424 | |
1425 | size = aString.Length(); |
1426 | |
1427 | PutInteger(size); |
1428 | |
1429 | if (size > 0) { |
9775fa61 |
1430 | if (!fwrite(aString.ToCString(),aString.Length(),1,myStream)) throw Storage_StreamWriteError(); |
7fd59977 |
1431 | } |
1432 | } |
1433 | |
4ff92abe |
1434 | //======================================================================= |
1435 | //function : WriteString |
1436 | //purpose : write string at the current position. |
1437 | //======================================================================= |
1438 | Standard_Integer FSD_BinaryFile::WriteString (Standard_OStream& theOStream, |
1439 | const TCollection_AsciiString& theString, |
1440 | const Standard_Boolean theOnlyCount) |
1441 | { |
1442 | Standard_Integer aNumAndStrLen, anAsciiStrLen; |
1443 | |
1444 | anAsciiStrLen = aNumAndStrLen = theString.Length(); |
1445 | |
1446 | aNumAndStrLen += PutInteger (theOStream, anAsciiStrLen, theOnlyCount); |
1447 | |
1448 | if (anAsciiStrLen > 0 && !theOnlyCount) |
1449 | { |
1450 | theOStream.write (theString.ToCString(), theString.Length()); |
1451 | if (theOStream.fail()) |
1452 | { |
9775fa61 |
1453 | throw Storage_StreamWriteError(); |
4ff92abe |
1454 | } |
1455 | } |
1456 | |
1457 | return aNumAndStrLen; |
1458 | } |
1459 | |
7fd59977 |
1460 | //======================================================================= |
1461 | //function : ReadString |
1462 | //purpose : read string from the current position. |
1463 | //======================================================================= |
1464 | |
1465 | void FSD_BinaryFile::ReadString(TCollection_AsciiString& aString) |
1466 | { |
1467 | Standard_Integer size = 0; |
1468 | |
1469 | GetInteger(size); |
1470 | if (size > 0) { |
1471 | Standard_Character *c = (Standard_Character *)Standard::Allocate((size+1) * sizeof(Standard_Character)); |
9775fa61 |
1472 | if (!fread(c,size,1,myStream)) throw Storage_StreamWriteError(); |
7fd59977 |
1473 | c[size] = '\0'; |
1474 | aString = c; |
547702a1 |
1475 | Standard::Free(c); |
7fd59977 |
1476 | } |
1477 | else { |
1478 | aString.Clear(); |
1479 | } |
1480 | } |
1481 | |
4ff92abe |
1482 | //======================================================================= |
1483 | //function : ReadString |
1484 | //purpose : read string from the current position. |
1485 | //======================================================================= |
1486 | void FSD_BinaryFile::ReadString (Standard_IStream& theIStream, TCollection_AsciiString& aString) |
1487 | { |
1488 | Standard_Integer size = 0; |
1489 | |
1490 | GetInteger(theIStream, size); |
1491 | |
1492 | if (size > 0) |
1493 | { |
1494 | Standard_Character *c = (Standard_Character *)Standard::Allocate((size+1) * sizeof(Standard_Character)); |
1495 | |
1496 | if (!theIStream.good()) |
1497 | { |
9775fa61 |
1498 | throw Storage_StreamReadError(); |
4ff92abe |
1499 | } |
1500 | |
1501 | theIStream.read (c, size); |
1502 | |
1503 | if (theIStream.gcount() != size) |
1504 | { |
9775fa61 |
1505 | throw Storage_StreamReadError(); |
4ff92abe |
1506 | } |
1507 | |
1508 | c[size] = '\0'; |
1509 | |
1510 | aString = c; |
1511 | |
1512 | Standard::Free(c); |
1513 | } |
1514 | else |
1515 | { |
1516 | aString.Clear(); |
1517 | } |
1518 | } |
1519 | |
7fd59977 |
1520 | //======================================================================= |
1521 | //function : WriteExtendedString |
1522 | //purpose : write string at the current position. |
1523 | //======================================================================= |
1524 | |
1525 | void FSD_BinaryFile::WriteExtendedString(const TCollection_ExtendedString& aString) |
1526 | { |
1527 | Standard_Integer size; |
1528 | |
1529 | size = aString.Length(); |
1530 | |
1531 | PutInteger(size); |
1532 | |
1533 | if (size > 0) { |
1534 | Standard_ExtString anExtStr; |
10a4116e |
1535 | #if OCCT_BINARY_FILE_DO_INVERSE |
7fd59977 |
1536 | TCollection_ExtendedString aCopy = aString; |
1537 | anExtStr = aCopy.ToExtString(); |
1538 | |
1539 | Standard_PExtCharacter pChar; |
1540 | // |
1541 | pChar=(Standard_PExtCharacter)anExtStr; |
1542 | |
1543 | for (Standard_Integer i=0; i < size; i++) |
1544 | pChar[i] = InverseExtChar (pChar[i]); |
1545 | #else |
1546 | anExtStr = aString.ToExtString(); |
1547 | #endif |
1548 | if (!fwrite(anExtStr,sizeof(Standard_ExtCharacter)*aString.Length(),1,myStream)) |
9775fa61 |
1549 | throw Storage_StreamWriteError(); |
7fd59977 |
1550 | } |
1551 | } |
1552 | |
4ff92abe |
1553 | //======================================================================= |
1554 | //function : WriteExtendedString |
1555 | //purpose : write string at the current position. |
1556 | //======================================================================= |
1557 | Standard_Integer FSD_BinaryFile::WriteExtendedString (Standard_OStream& theOStream, |
1558 | const TCollection_ExtendedString& theString, |
1559 | const Standard_Boolean theOnlyCount) |
1560 | { |
1561 | Standard_Integer aNumAndStrLen, anExtStrLen; |
1562 | anExtStrLen = theString.Length(); |
1563 | |
1564 | aNumAndStrLen = anExtStrLen * sizeof(Standard_ExtCharacter); |
1565 | aNumAndStrLen += PutInteger (theOStream, anExtStrLen, theOnlyCount); |
1566 | |
1567 | if (anExtStrLen > 0 && !theOnlyCount) |
1568 | { |
1569 | Standard_ExtString anExtStr; |
1570 | #if OCCT_BINARY_FILE_DO_INVERSE |
1571 | TCollection_ExtendedString aCopy = theString; |
1572 | anExtStr = aCopy.ToExtString(); |
1573 | |
1574 | Standard_PExtCharacter pChar; |
1575 | // |
1576 | pChar = (Standard_PExtCharacter)anExtStr; |
1577 | |
1578 | for (Standard_Integer i = 0; i < anExtStrLen; i++) |
1579 | { |
1580 | pChar[i] = InverseExtChar (pChar[i]); |
1581 | } |
1582 | #else |
1583 | anExtStr = theString.ToExtString(); |
1584 | #endif |
1585 | |
1586 | theOStream.write((char*)anExtStr, sizeof(Standard_ExtCharacter)*theString.Length()); |
1587 | if (theOStream.fail()) |
1588 | { |
9775fa61 |
1589 | throw Storage_StreamWriteError(); |
4ff92abe |
1590 | } |
1591 | } |
1592 | |
1593 | return aNumAndStrLen; |
1594 | } |
1595 | |
7fd59977 |
1596 | //======================================================================= |
1597 | //function : ReadExtendedString |
1598 | //purpose : read string from the current position. |
1599 | //======================================================================= |
1600 | |
1601 | void FSD_BinaryFile::ReadExtendedString(TCollection_ExtendedString& aString) |
1602 | { |
1603 | Standard_Integer size = 0; |
1604 | |
1605 | GetInteger(size); |
1606 | if (size > 0) { |
1607 | Standard_ExtCharacter *c = (Standard_ExtCharacter *) |
1608 | Standard::Allocate((size+1) * sizeof(Standard_ExtCharacter)); |
1609 | if (!fread(c,size*sizeof(Standard_ExtCharacter),1,myStream)) |
9775fa61 |
1610 | throw Storage_StreamWriteError(); |
7fd59977 |
1611 | c[size] = '\0'; |
10a4116e |
1612 | #if OCCT_BINARY_FILE_DO_INVERSE |
7fd59977 |
1613 | for (Standard_Integer i=0; i < size; i++) |
1614 | c[i] = InverseExtChar (c[i]); |
1615 | #endif |
1616 | aString = c; |
547702a1 |
1617 | Standard::Free(c); |
7fd59977 |
1618 | } |
1619 | else { |
1620 | aString.Clear(); |
1621 | } |
1622 | } |
1623 | |
4ff92abe |
1624 | //======================================================================= |
1625 | //function : ReadExtendedString |
1626 | //purpose : read string from the current position. |
1627 | //======================================================================= |
1628 | void FSD_BinaryFile::ReadExtendedString (Standard_IStream& theIStream, TCollection_ExtendedString& aString) |
1629 | { |
1630 | Standard_Integer size = 0; |
1631 | |
1632 | GetInteger (theIStream, size); |
1633 | |
1634 | if (size > 0) |
1635 | { |
1636 | Standard_ExtCharacter *c = (Standard_ExtCharacter *)Standard::Allocate((size+1) * sizeof(Standard_ExtCharacter)); |
1637 | |
1638 | if (!theIStream.good()) |
1639 | { |
9775fa61 |
1640 | throw Storage_StreamReadError(); |
4ff92abe |
1641 | } |
1642 | |
402cfabc |
1643 | const std::streamsize aNbBytes = std::streamsize(sizeof(Standard_ExtCharacter) * size); |
1644 | theIStream.read ((char *)c, aNbBytes); |
1645 | if (theIStream.gcount() != aNbBytes) |
4ff92abe |
1646 | { |
9775fa61 |
1647 | throw Storage_StreamReadError(); |
4ff92abe |
1648 | } |
402cfabc |
1649 | |
4ff92abe |
1650 | c[size] = '\0'; |
1651 | |
1652 | #if OCCT_BINARY_FILE_DO_INVERSE |
1653 | for (Standard_Integer i=0; i < size; i++) |
1654 | { |
1655 | c[i] = InverseExtChar (c[i]); |
1656 | } |
1657 | #endif |
1658 | aString = c; |
1659 | Standard::Free(c); |
1660 | } |
1661 | else |
1662 | { |
1663 | aString.Clear(); |
1664 | } |
1665 | } |
1666 | |
7fd59977 |
1667 | //======================================================================= |
1668 | //function : WriteHeader |
1669 | //purpose : |
1670 | //======================================================================= |
1671 | |
1672 | void FSD_BinaryFile::WriteHeader() |
1673 | { |
1674 | PutInteger(myHeader.testindian); |
1675 | PutInteger(myHeader.binfo); |
1676 | PutInteger(myHeader.einfo); |
1677 | PutInteger(myHeader.bcomment); |
1678 | PutInteger(myHeader.ecomment); |
1679 | PutInteger(myHeader.btype); |
1680 | PutInteger(myHeader.etype); |
1681 | PutInteger(myHeader.broot); |
1682 | PutInteger(myHeader.eroot); |
1683 | PutInteger(myHeader.bref); |
1684 | PutInteger(myHeader.eref); |
1685 | PutInteger(myHeader.bdata); |
1686 | PutInteger(myHeader.edata); |
1687 | } |
1688 | |
4ff92abe |
1689 | //======================================================================= |
1690 | //function : WriteHeader |
1691 | //purpose : |
1692 | //======================================================================= |
1693 | Standard_Integer FSD_BinaryFile::WriteHeader (Standard_OStream& theOStream, |
1694 | const FSD_FileHeader& theHeader, |
1695 | const Standard_Boolean theOnlyCount) |
1696 | { |
1697 | Standard_Integer aHeaderSize = 0; |
1698 | |
1699 | aHeaderSize += PutInteger (theOStream, theHeader.testindian, theOnlyCount); |
1700 | aHeaderSize += PutInteger (theOStream, theHeader.binfo, theOnlyCount); |
1701 | aHeaderSize += PutInteger (theOStream, theHeader.einfo, theOnlyCount); |
1702 | aHeaderSize += PutInteger (theOStream, theHeader.bcomment, theOnlyCount); |
1703 | aHeaderSize += PutInteger (theOStream, theHeader.ecomment, theOnlyCount); |
1704 | aHeaderSize += PutInteger (theOStream, theHeader.btype, theOnlyCount); |
1705 | aHeaderSize += PutInteger (theOStream, theHeader.etype, theOnlyCount); |
1706 | aHeaderSize += PutInteger (theOStream, theHeader.broot, theOnlyCount); |
1707 | aHeaderSize += PutInteger (theOStream, theHeader.eroot, theOnlyCount); |
1708 | aHeaderSize += PutInteger (theOStream, theHeader.bref, theOnlyCount); |
1709 | aHeaderSize += PutInteger (theOStream, theHeader.eref, theOnlyCount); |
1710 | aHeaderSize += PutInteger (theOStream, theHeader.bdata, theOnlyCount); |
1711 | aHeaderSize += PutInteger (theOStream, theHeader.edata, theOnlyCount); |
1712 | |
1713 | return aHeaderSize; |
1714 | } |
1715 | |
7fd59977 |
1716 | //======================================================================= |
1717 | //function : ReadHeader |
1718 | //purpose : |
1719 | //======================================================================= |
1720 | |
1721 | void FSD_BinaryFile::ReadHeader() |
1722 | { |
1723 | GetInteger(myHeader.testindian); |
1724 | GetInteger(myHeader.binfo); |
1725 | GetInteger(myHeader.einfo); |
1726 | GetInteger(myHeader.bcomment); |
1727 | GetInteger(myHeader.ecomment); |
1728 | GetInteger(myHeader.btype); |
1729 | GetInteger(myHeader.etype); |
1730 | GetInteger(myHeader.broot); |
1731 | GetInteger(myHeader.eroot); |
1732 | GetInteger(myHeader.bref); |
1733 | GetInteger(myHeader.eref); |
1734 | GetInteger(myHeader.bdata); |
1735 | GetInteger(myHeader.edata); |
1736 | } |
1737 | |
4ff92abe |
1738 | //======================================================================= |
1739 | //function : ReadHeader |
1740 | //purpose : |
1741 | //======================================================================= |
1742 | |
1743 | void FSD_BinaryFile::ReadHeader(Standard_IStream& theIStream, FSD_FileHeader& theFileHeader) |
1744 | { |
1745 | GetInteger (theIStream, theFileHeader.testindian); |
1746 | GetInteger (theIStream, theFileHeader.binfo); |
1747 | GetInteger (theIStream, theFileHeader.einfo); |
1748 | GetInteger (theIStream, theFileHeader.bcomment); |
1749 | GetInteger (theIStream, theFileHeader.ecomment); |
1750 | GetInteger (theIStream, theFileHeader.btype); |
1751 | GetInteger (theIStream, theFileHeader.etype); |
1752 | GetInteger (theIStream, theFileHeader.broot); |
1753 | GetInteger (theIStream, theFileHeader.eroot); |
1754 | GetInteger (theIStream, theFileHeader.bref); |
1755 | GetInteger (theIStream, theFileHeader.eref); |
1756 | GetInteger (theIStream, theFileHeader.bdata); |
1757 | GetInteger (theIStream, theFileHeader.edata); |
1758 | } |
1759 | |
1760 | //======================================================================= |
1761 | //function : ReadHeaderData |
1762 | //purpose : |
1763 | //======================================================================= |
1764 | void FSD_BinaryFile::ReadHeaderData( Standard_IStream& theIStream, const Handle(Storage_HeaderData)& theHeaderData ) |
1765 | { |
1766 | // read info |
1767 | TCollection_AsciiString uinfo,mStorageVersion,mDate,mSchemaName,mSchemaVersion,mApplicationVersion; |
1768 | TCollection_ExtendedString mApplicationName,mDataType; |
1769 | TColStd_SequenceOfAsciiString mUserInfo; |
1770 | Standard_Integer mNBObj; |
1771 | |
1772 | FSD_BinaryFile::GetInteger (theIStream, mNBObj); |
1773 | FSD_BinaryFile::ReadString (theIStream, mStorageVersion); |
1774 | FSD_BinaryFile::ReadString (theIStream, mDate); |
1775 | FSD_BinaryFile::ReadString (theIStream, mSchemaName); |
1776 | FSD_BinaryFile::ReadString (theIStream, mSchemaVersion); |
1777 | FSD_BinaryFile::ReadExtendedString(theIStream, mApplicationName); |
1778 | FSD_BinaryFile::ReadString (theIStream, mApplicationVersion); |
1779 | FSD_BinaryFile::ReadExtendedString(theIStream, mDataType); |
1780 | |
1781 | Standard_Integer len = 0; |
1782 | TCollection_AsciiString line; |
1783 | |
1784 | FSD_BinaryFile::GetInteger(theIStream, len); |
1785 | |
1786 | for (Standard_Integer i = 1; i <= len && theIStream.good(); i++) |
1787 | { |
1788 | FSD_BinaryFile::ReadString (theIStream, line); |
1789 | mUserInfo.Append(line); |
1790 | } |
1791 | |
1792 | theHeaderData->SetNumberOfObjects(mNBObj); |
1793 | theHeaderData->SetStorageVersion(mStorageVersion); |
1794 | theHeaderData->SetCreationDate(mDate); |
1795 | theHeaderData->SetSchemaName(mSchemaName); |
1796 | theHeaderData->SetSchemaVersion(mSchemaVersion); |
1797 | theHeaderData->SetApplicationName(mApplicationName); |
1798 | theHeaderData->SetApplicationVersion(mApplicationVersion); |
1799 | theHeaderData->SetDataType(mDataType); |
1800 | |
1801 | for (Standard_Integer i = 1; i <= mUserInfo.Length(); i++) { |
1802 | theHeaderData->AddToUserInfo(mUserInfo.Value(i)); |
1803 | } |
1804 | } |
7fd59977 |
1805 | |
1806 | //======================================================================= |
1807 | //function : Tell |
1808 | //purpose : return position in the file. Return -1 upon error. |
1809 | //======================================================================= |
1810 | |
1811 | Storage_Position FSD_BinaryFile::Tell() |
1812 | { |
1813 | return (Storage_Position) ftell(myStream); |
1814 | } |
10a4116e |
1815 | |
1816 | //======================================================================= |
1817 | //function : InverseReal |
1818 | //purpose : Inverses bytes in the real value |
1819 | //======================================================================= |
1820 | |
1821 | Standard_Real FSD_BinaryFile::InverseReal (const Standard_Real theValue) |
1822 | { |
1823 | Standard_STATIC_ASSERT(sizeof(Standard_Real) == 2 * sizeof(Standard_Integer)); |
1824 | union { |
1825 | Standard_Integer i[2]; |
1826 | Standard_Real aValue; |
1827 | } aWrapUnion; |
1828 | |
1829 | aWrapUnion.aValue = theValue; |
1830 | |
1831 | Standard_Integer aTemp = aWrapUnion.i[1]; |
1832 | aWrapUnion.i[1] = InverseInt(aWrapUnion.i[0]); |
1833 | aWrapUnion.i[0] = InverseInt(aTemp); |
1834 | |
1835 | return aWrapUnion.aValue; |
1836 | } |
1837 | |
1838 | //======================================================================= |
1839 | //function : InverseShortReal |
1840 | //purpose : Inverses bytes in the short real value |
1841 | //======================================================================= |
1842 | |
1843 | Standard_ShortReal FSD_BinaryFile::InverseShortReal (const Standard_ShortReal theValue) |
1844 | { |
1845 | Standard_STATIC_ASSERT(sizeof(Standard_ShortReal) == sizeof(Standard_Integer)); |
1846 | union { |
1847 | Standard_ShortReal aValue; |
1848 | Standard_Integer aResult; |
1849 | } aWrapUnion; |
1850 | |
1851 | aWrapUnion.aValue = theValue; |
1852 | aWrapUnion.aResult = InverseInt (aWrapUnion.aResult); |
1853 | |
1854 | return aWrapUnion.aValue; |
1855 | } |
1856 | |
1857 | //======================================================================= |
1858 | //function : InverseSize |
1859 | //purpose : Inverses bytes in size_t type instance |
1860 | //======================================================================= |
1861 | |
1862 | template<int size> |
1863 | inline Standard_Size OCCT_InverseSizeSpecialized (const Standard_Size theValue, int); |
1864 | |
1865 | template<> |
1866 | inline Standard_Size OCCT_InverseSizeSpecialized <4> (const Standard_Size theValue, int) |
1867 | { |
1868 | return FSD_BinaryFile::InverseInt(static_cast<Standard_Integer>(theValue)); |
1869 | } |
1870 | |
1871 | template<> |
1872 | inline Standard_Size OCCT_InverseSizeSpecialized <8> (const Standard_Size theValue, int) |
1873 | { |
1874 | union { |
1875 | Standard_Integer i[2]; |
1876 | Standard_Size aValue; |
1877 | } aWrapUnion; |
1878 | |
1879 | aWrapUnion.aValue = theValue; |
1880 | |
1881 | Standard_Integer aTemp = aWrapUnion.i[1]; |
1882 | aWrapUnion.i[1] = FSD_BinaryFile::InverseInt(aWrapUnion.i[0]); |
1883 | aWrapUnion.i[0] = FSD_BinaryFile::InverseInt(aTemp); |
1884 | |
1885 | return aWrapUnion.aValue; |
1886 | } |
1887 | |
1888 | Standard_Size FSD_BinaryFile::InverseSize (const Standard_Size theValue) |
1889 | { |
1890 | return OCCT_InverseSizeSpecialized <sizeof(Standard_Size)> (theValue, 0); |
1891 | } |