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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 | |
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35 | IMPLEMENT_STANDARD_RTTIEXT(FSD_BinaryFile,Storage_BaseDriver) |
36 | |
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37 | //======================================================================= |
38 | //function : FSD_BinaryFile |
39 | //purpose : |
40 | //======================================================================= |
41 | |
42 | FSD_BinaryFile::FSD_BinaryFile() : |
43 | myStream(0L) |
44 | { |
45 | myHeader.testindian = -1; |
46 | myHeader.binfo = -1; |
47 | myHeader.einfo = -1; |
48 | myHeader.bcomment = -1; |
49 | myHeader.ecomment = -1; |
50 | myHeader.btype = -1; |
51 | myHeader.etype = -1; |
52 | myHeader.broot = -1; |
53 | myHeader.eroot = -1; |
54 | myHeader.bref = -1; |
55 | myHeader.eref = -1; |
56 | myHeader.bdata = -1; |
57 | myHeader.edata = -1; |
58 | } |
59 | |
60 | //======================================================================= |
61 | //function : IsGoodFileType |
62 | //purpose : INFO SECTION |
63 | // write |
64 | //======================================================================= |
65 | |
66 | Storage_Error FSD_BinaryFile::IsGoodFileType(const TCollection_AsciiString& aName) |
67 | { |
68 | FSD_BinaryFile f; |
69 | Storage_Error s; |
70 | |
71 | s = f.Open(aName,Storage_VSRead); |
72 | |
73 | if (s == Storage_VSOk) { |
74 | TCollection_AsciiString l; |
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75 | Standard_Size len = strlen(FSD_BinaryFile::MagicNumber()); |
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76 | |
77 | f.ReadChar(l,len); |
78 | |
79 | f.Close(); |
80 | |
81 | if (strncmp(FSD_BinaryFile::MagicNumber(),l.ToCString(),len) != 0) { |
82 | s = Storage_VSFormatError; |
83 | } |
84 | } |
85 | |
86 | return s; |
87 | } |
88 | |
89 | //======================================================================= |
90 | //function : Open |
91 | //purpose : |
92 | //======================================================================= |
93 | |
94 | Storage_Error FSD_BinaryFile::Open(const TCollection_AsciiString& aName,const Storage_OpenMode aMode) |
95 | { |
96 | Storage_Error result = Storage_VSOk; |
97 | |
98 | SetName(aName); |
99 | |
100 | if (OpenMode() == Storage_VSNone) { |
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101 | if (aMode == Storage_VSRead) { |
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102 | myStream = OSD_OpenFile(aName.ToCString(),"rb"); |
d9ff84e8 |
103 | } |
104 | else if (aMode == Storage_VSWrite) { |
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105 | myStream = OSD_OpenFile(aName.ToCString(),"wb"); |
d9ff84e8 |
106 | } |
107 | else if (aMode == Storage_VSReadWrite) { |
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108 | myStream = OSD_OpenFile(aName.ToCString(),"w+b"); |
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109 | } |
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110 | |
111 | if (myStream == 0L) { |
112 | result = Storage_VSOpenError; |
113 | } |
114 | else { |
115 | SetOpenMode(aMode); |
116 | } |
117 | } |
118 | else { |
119 | result = Storage_VSAlreadyOpen; |
120 | } |
121 | |
122 | return result; |
123 | } |
124 | |
125 | //======================================================================= |
126 | //function : IsEnd |
127 | //purpose : |
128 | //======================================================================= |
129 | |
130 | Standard_Boolean FSD_BinaryFile::IsEnd() |
131 | { |
132 | return (feof(myStream) != 0); |
133 | } |
134 | |
135 | //======================================================================= |
136 | //function : Close |
137 | //purpose : |
138 | //======================================================================= |
139 | |
140 | Storage_Error FSD_BinaryFile::Close() |
141 | { |
142 | Storage_Error result = Storage_VSOk; |
143 | |
144 | if (OpenMode() != Storage_VSNone) { |
145 | fclose(myStream); |
146 | SetOpenMode(Storage_VSNone); |
147 | } |
148 | else { |
149 | result = Storage_VSNotOpen; |
150 | } |
151 | |
152 | return result; |
153 | } |
154 | |
155 | //======================================================================= |
156 | //function : MagicNumber |
157 | //purpose : ------------------ PROTECTED |
158 | //======================================================================= |
159 | |
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160 | Standard_CString FSD_BinaryFile::MagicNumber() |
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161 | { |
162 | return MAGICNUMBER; |
163 | } |
164 | |
165 | //======================================================================= |
166 | //function : ReadChar |
167 | //purpose : read <rsize> character from the current position. |
168 | //======================================================================= |
169 | |
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170 | void FSD_BinaryFile::ReadChar(TCollection_AsciiString& buffer, const Standard_Size rsize) |
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171 | { |
172 | char c; |
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173 | Standard_Size ccount = 0; |
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174 | |
175 | buffer.Clear(); |
176 | |
177 | while (!IsEnd() && (ccount < rsize)) { |
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178 | ccount += fread(&c, sizeof(char),1, myStream); |
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179 | buffer += c; |
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180 | } |
181 | } |
182 | |
183 | //======================================================================= |
184 | //function : SkipObject |
185 | //purpose : |
186 | //======================================================================= |
187 | |
188 | void FSD_BinaryFile::SkipObject() |
189 | { |
190 | |
191 | } |
192 | |
193 | //======================================================================= |
194 | //function : PutReference |
195 | //purpose : ---------------------- PUBLIC : PUT |
196 | //======================================================================= |
197 | |
198 | Storage_BaseDriver& FSD_BinaryFile::PutReference(const Standard_Integer aValue) |
199 | { |
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200 | #if OCCT_BINARY_FILE_DO_INVERSE |
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201 | Standard_Integer t = InverseInt (aValue); |
202 | |
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203 | if (!fwrite(&t,sizeof(Standard_Integer),1,myStream)) throw Storage_StreamWriteError(); |
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204 | #else |
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205 | if (!fwrite(&aValue,sizeof(Standard_Integer),1,myStream)) throw Storage_StreamWriteError(); |
7fd59977 |
206 | #endif |
207 | return *this; |
208 | } |
209 | |
210 | //======================================================================= |
211 | //function : PutCharacter |
212 | //purpose : |
213 | //======================================================================= |
214 | |
215 | Storage_BaseDriver& FSD_BinaryFile::PutCharacter(const Standard_Character aValue) |
216 | { |
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217 | if (!fwrite(&aValue,sizeof(Standard_Character),1,myStream)) throw Storage_StreamWriteError(); |
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218 | return *this; |
219 | } |
220 | |
221 | //======================================================================= |
222 | //function : PutExtCharacter |
223 | //purpose : |
224 | //======================================================================= |
225 | |
226 | Storage_BaseDriver& FSD_BinaryFile::PutExtCharacter(const Standard_ExtCharacter aValue) |
227 | { |
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228 | #if OCCT_BINARY_FILE_DO_INVERSE |
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229 | Standard_ExtCharacter t = InverseExtChar (aValue); |
230 | |
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231 | if (!fwrite(&t,sizeof(Standard_ExtCharacter),1,myStream)) throw Storage_StreamWriteError(); |
7fd59977 |
232 | #else |
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233 | if (!fwrite(&aValue,sizeof(Standard_ExtCharacter),1,myStream)) throw Storage_StreamWriteError(); |
7fd59977 |
234 | #endif |
235 | return *this; |
236 | } |
237 | |
238 | //======================================================================= |
239 | //function : PutInteger |
240 | //purpose : |
241 | //======================================================================= |
242 | |
243 | Storage_BaseDriver& FSD_BinaryFile::PutInteger(const Standard_Integer aValue) |
244 | { |
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245 | #if OCCT_BINARY_FILE_DO_INVERSE |
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246 | Standard_Integer t = InverseInt (aValue); |
247 | |
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248 | if (!fwrite(&t,sizeof(Standard_Integer),1,myStream)) throw Storage_StreamWriteError(); |
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249 | #else |
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250 | if (!fwrite(&aValue,sizeof(Standard_Integer),1,myStream)) throw Storage_StreamWriteError(); |
7fd59977 |
251 | #endif |
252 | |
253 | return *this; |
254 | } |
255 | |
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256 | //======================================================================= |
257 | //function : PutInteger |
258 | //purpose : |
259 | //======================================================================= |
260 | Standard_Integer FSD_BinaryFile::PutInteger (Standard_OStream& theOStream, |
261 | const Standard_Integer theValue, |
262 | const Standard_Boolean theOnlyCount) |
263 | { |
264 | #if OCCT_BINARY_FILE_DO_INVERSE |
265 | Standard_Integer t = InverseInt (theValue); |
266 | #else |
267 | Standard_Integer t = theValue; |
268 | #endif |
269 | |
270 | if (!theOnlyCount) |
271 | { |
272 | theOStream.write ((char*)&t, sizeof(Standard_Integer)); |
273 | if (theOStream.fail()) |
274 | { |
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275 | throw Storage_StreamWriteError(); |
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276 | } |
277 | } |
278 | |
279 | return sizeof(Standard_Integer); |
280 | } |
281 | |
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282 | //======================================================================= |
283 | //function : PutBoolean |
284 | //purpose : |
285 | //======================================================================= |
286 | |
287 | Storage_BaseDriver& FSD_BinaryFile::PutBoolean(const Standard_Boolean aValue) |
288 | { |
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289 | #if OCCT_BINARY_FILE_DO_INVERSE |
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290 | Standard_Integer t = InverseInt ((Standard_Integer) aValue); |
7fd59977 |
291 | #else |
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292 | Standard_Integer t = aValue ? 1 : 0; |
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293 | #endif |
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294 | if (!fwrite(&t,sizeof(Standard_Integer),1,myStream)) throw Storage_StreamWriteError(); |
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295 | return *this; |
296 | } |
297 | |
298 | //======================================================================= |
299 | //function : PutReal |
300 | //purpose : |
301 | //======================================================================= |
302 | |
303 | Storage_BaseDriver& FSD_BinaryFile::PutReal(const Standard_Real aValue) |
304 | { |
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305 | #if OCCT_BINARY_FILE_DO_INVERSE |
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306 | Standard_Real t = InverseReal (aValue); |
307 | |
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308 | if (!fwrite(&t,sizeof(Standard_Real),1,myStream)) throw Storage_StreamWriteError(); |
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309 | #else |
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310 | if (!fwrite(&aValue,sizeof(Standard_Real),1,myStream)) throw Storage_StreamWriteError(); |
7fd59977 |
311 | #endif |
312 | return *this; |
313 | } |
314 | |
315 | //======================================================================= |
316 | //function : PutShortReal |
317 | //purpose : |
318 | //======================================================================= |
319 | |
320 | Storage_BaseDriver& FSD_BinaryFile::PutShortReal(const Standard_ShortReal aValue) |
321 | { |
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322 | #if OCCT_BINARY_FILE_DO_INVERSE |
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323 | Standard_ShortReal t = InverseShortReal (aValue); |
324 | |
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325 | if (!fwrite(&t,sizeof(Standard_ShortReal),1,myStream)) throw Storage_StreamWriteError(); |
7fd59977 |
326 | #else |
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327 | if (!fwrite(&aValue,sizeof(Standard_ShortReal),1,myStream)) throw Storage_StreamWriteError(); |
7fd59977 |
328 | #endif |
329 | return *this; |
330 | } |
331 | |
332 | //======================================================================= |
333 | //function : GetReference |
334 | //purpose : ----------------- PUBLIC : GET |
335 | //======================================================================= |
336 | |
337 | Storage_BaseDriver& FSD_BinaryFile::GetReference(Standard_Integer& aValue) |
338 | { |
339 | if (!fread(&aValue,sizeof(Standard_Integer),1,myStream)) |
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340 | throw Storage_StreamTypeMismatchError(); |
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341 | #if OCCT_BINARY_FILE_DO_INVERSE |
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342 | aValue = InverseInt (aValue); |
343 | #endif |
344 | return *this; |
345 | } |
346 | |
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347 | //======================================================================= |
348 | //function : GetReference |
349 | //purpose : ----------------- PUBLIC : GET |
350 | //======================================================================= |
351 | void FSD_BinaryFile::GetReference(Standard_IStream& theIStream, Standard_Integer& aValue) |
352 | { |
353 | theIStream.read ((char*)&aValue, sizeof(Standard_Integer)); |
354 | |
355 | if (theIStream.gcount() != sizeof(Standard_Integer)) |
356 | { |
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357 | throw Storage_StreamTypeMismatchError(); |
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358 | } |
359 | |
360 | #if OCCT_BINARY_FILE_DO_INVERSE |
361 | aValue = InverseInt (aValue); |
362 | #endif |
363 | } |
364 | |
7fd59977 |
365 | //======================================================================= |
366 | //function : GetCharacter |
367 | //purpose : |
368 | //======================================================================= |
369 | |
370 | Storage_BaseDriver& FSD_BinaryFile::GetCharacter(Standard_Character& aValue) |
371 | { |
372 | if (!fread(&aValue,sizeof(Standard_Character),1,myStream)) |
9775fa61 |
373 | throw Storage_StreamTypeMismatchError(); |
7fd59977 |
374 | return *this; |
375 | } |
376 | |
377 | //======================================================================= |
378 | //function : GetExtCharacter |
379 | //purpose : |
380 | //======================================================================= |
381 | |
382 | Storage_BaseDriver& FSD_BinaryFile::GetExtCharacter(Standard_ExtCharacter& aValue) |
383 | { |
384 | if (!fread(&aValue,sizeof(Standard_ExtCharacter),1,myStream)) |
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385 | throw Storage_StreamTypeMismatchError(); |
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386 | #if OCCT_BINARY_FILE_DO_INVERSE |
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387 | aValue = InverseExtChar (aValue); |
388 | #endif |
389 | return *this; |
390 | } |
391 | |
392 | //======================================================================= |
393 | //function : GetInteger |
394 | //purpose : |
395 | //======================================================================= |
396 | |
397 | Storage_BaseDriver& FSD_BinaryFile::GetInteger(Standard_Integer& aValue) |
398 | { |
399 | if (!fread(&aValue,sizeof(Standard_Integer),1,myStream)) |
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400 | throw Storage_StreamTypeMismatchError(); |
10a4116e |
401 | #if OCCT_BINARY_FILE_DO_INVERSE |
7fd59977 |
402 | aValue = InverseInt (aValue); |
403 | #endif |
404 | return *this; |
405 | } |
406 | |
4ff92abe |
407 | //======================================================================= |
408 | //function : GetInteger |
409 | //purpose : |
410 | //======================================================================= |
411 | void FSD_BinaryFile::GetInteger (Standard_IStream& theIStream, Standard_Integer& theValue) |
412 | { |
413 | |
414 | theIStream.read ((char*)&theValue, sizeof(Standard_Integer)); |
415 | |
416 | if (theIStream.gcount() != sizeof(Standard_Integer)) |
417 | { |
9775fa61 |
418 | throw Storage_StreamTypeMismatchError(); |
4ff92abe |
419 | } |
420 | |
421 | #if OCCT_BINARY_FILE_DO_INVERSE |
422 | theValue = InverseInt (theValue); |
423 | #endif |
424 | } |
425 | |
7fd59977 |
426 | //======================================================================= |
427 | //function : GetBoolean |
428 | //purpose : |
429 | //======================================================================= |
430 | |
431 | Storage_BaseDriver& FSD_BinaryFile::GetBoolean(Standard_Boolean& aValue) |
432 | { |
dde68833 |
433 | Standard_Integer anInt = 0; |
434 | if (!fread(&anInt,sizeof(Standard_Integer),1,myStream)) |
9775fa61 |
435 | throw Storage_StreamTypeMismatchError(); |
10a4116e |
436 | #if OCCT_BINARY_FILE_DO_INVERSE |
dde68833 |
437 | anInt = InverseInt (anInt); |
7fd59977 |
438 | #endif |
dde68833 |
439 | aValue = (anInt != 0); |
7fd59977 |
440 | return *this; |
441 | } |
442 | |
443 | //======================================================================= |
444 | //function : GetReal |
445 | //purpose : |
446 | //======================================================================= |
447 | |
448 | Storage_BaseDriver& FSD_BinaryFile::GetReal(Standard_Real& aValue) |
449 | { |
450 | if (!fread(&aValue,sizeof(Standard_Real),1,myStream)) |
9775fa61 |
451 | throw Storage_StreamTypeMismatchError(); |
10a4116e |
452 | #if OCCT_BINARY_FILE_DO_INVERSE |
7fd59977 |
453 | aValue = InverseReal (aValue); |
454 | #endif |
455 | return *this; |
456 | } |
457 | |
458 | //======================================================================= |
459 | //function : GetShortReal |
460 | //purpose : |
461 | //======================================================================= |
462 | |
463 | Storage_BaseDriver& FSD_BinaryFile::GetShortReal(Standard_ShortReal& aValue) |
464 | { |
465 | if (!fread(&aValue,sizeof(Standard_ShortReal),1,myStream)) |
9775fa61 |
466 | throw Storage_StreamTypeMismatchError(); |
10a4116e |
467 | #if OCCT_BINARY_FILE_DO_INVERSE |
7fd59977 |
468 | aValue = InverseShortReal (aValue); |
469 | #endif |
470 | return *this; |
471 | } |
472 | |
473 | //======================================================================= |
474 | //function : Destroy |
475 | //purpose : |
476 | //======================================================================= |
477 | |
478 | void FSD_BinaryFile::Destroy() |
479 | { |
480 | if (OpenMode() != Storage_VSNone) { |
481 | Close(); |
482 | } |
483 | } |
484 | |
485 | //======================================================================= |
486 | //function : BeginWriteInfoSection |
487 | //purpose : -------------------------- INFO : WRITE |
488 | //======================================================================= |
489 | |
490 | Storage_Error FSD_BinaryFile::BeginWriteInfoSection() |
491 | { |
10a4116e |
492 | union { |
493 | char ti2[4]; |
494 | Standard_Integer aResult; |
495 | } aWrapUnion; |
496 | |
497 | aWrapUnion.ti2[0] = 1; |
498 | aWrapUnion.ti2[1] = 2; |
499 | aWrapUnion.ti2[2] = 3; |
500 | aWrapUnion.ti2[3] = 4; |
501 | |
502 | myHeader.testindian = aWrapUnion.aResult; |
503 | |
7fd59977 |
504 | if (!fwrite(FSD_BinaryFile::MagicNumber(), |
505 | strlen(FSD_BinaryFile::MagicNumber()), |
506 | 1, |
507 | myStream)) |
9775fa61 |
508 | throw Storage_StreamWriteError(); |
7fd59977 |
509 | |
57c5e9e8 |
510 | myHeader.binfo = (Standard_Integer )ftell(myStream); |
7fd59977 |
511 | WriteHeader(); |
512 | |
513 | return Storage_VSOk; |
514 | } |
515 | |
516 | //======================================================================= |
517 | //function : WriteInfo |
518 | //purpose : |
519 | //======================================================================= |
520 | |
521 | void FSD_BinaryFile::WriteInfo(const Standard_Integer nbObj, |
522 | const TCollection_AsciiString& dbVersion, |
523 | const TCollection_AsciiString& date, |
524 | const TCollection_AsciiString& schemaName, |
525 | const TCollection_AsciiString& schemaVersion, |
526 | const TCollection_ExtendedString& appName, |
527 | const TCollection_AsciiString& appVersion, |
528 | const TCollection_ExtendedString& dataType, |
529 | const TColStd_SequenceOfAsciiString& userInfo) |
530 | { |
531 | Standard_Integer i; |
532 | |
533 | PutInteger(nbObj); |
534 | WriteString(dbVersion); |
535 | WriteString(date); |
536 | WriteString(schemaName); |
537 | WriteString(schemaVersion); |
538 | WriteExtendedString(appName); |
539 | WriteString(appVersion); |
540 | WriteExtendedString(dataType); |
541 | i = userInfo.Length(); |
542 | |
543 | PutInteger(i); |
544 | for (i = 1; i <= userInfo.Length(); i++) { |
545 | WriteString(userInfo.Value(i)); |
546 | } |
547 | } |
548 | |
4ff92abe |
549 | //======================================================================= |
550 | //function : WriteInfo |
551 | //purpose : |
552 | //======================================================================= |
553 | Standard_Integer FSD_BinaryFile::WriteInfo (Standard_OStream& theOStream, |
554 | const Standard_Integer theObjNb, |
555 | const TCollection_AsciiString& theStoreVer, |
556 | const TCollection_AsciiString& theCreationDate, |
557 | const TCollection_AsciiString& theSchemaName, |
558 | const TCollection_AsciiString& theSchemaVersion, |
559 | const TCollection_ExtendedString& theAppName, |
560 | const TCollection_AsciiString& theAppVer, |
561 | const TCollection_ExtendedString& theDataType, |
562 | const TColStd_SequenceOfAsciiString& theUserInfo, |
563 | const Standard_Boolean theOnlyCount) |
564 | { |
565 | Standard_Integer anInfoSize = 0; |
566 | |
567 | anInfoSize += PutInteger (theOStream, theObjNb, theOnlyCount); |
568 | anInfoSize += WriteString(theOStream, theStoreVer, theOnlyCount); |
569 | anInfoSize += WriteString(theOStream, theCreationDate, theOnlyCount); |
570 | anInfoSize += WriteString(theOStream, theSchemaName, theOnlyCount); |
571 | anInfoSize += WriteString(theOStream, theSchemaVersion, theOnlyCount); |
572 | anInfoSize += WriteExtendedString(theOStream, theAppName, theOnlyCount); |
573 | anInfoSize += WriteString(theOStream, theAppVer, theOnlyCount); |
574 | anInfoSize += WriteExtendedString(theOStream, theDataType, theOnlyCount); |
575 | |
576 | Standard_Integer i = theUserInfo.Length(); |
577 | anInfoSize += PutInteger(theOStream, i, theOnlyCount); |
578 | |
579 | for (i = 1; i <= theUserInfo.Length(); i++) { |
580 | anInfoSize += WriteString (theOStream, theUserInfo.Value(i), theOnlyCount); |
581 | } |
582 | |
583 | return anInfoSize; |
584 | } |
585 | |
7fd59977 |
586 | //======================================================================= |
587 | //function : EndWriteInfoSection |
588 | //purpose : read |
589 | //======================================================================= |
590 | |
591 | Storage_Error FSD_BinaryFile::EndWriteInfoSection() |
592 | { |
57c5e9e8 |
593 | myHeader.einfo = (Standard_Integer )ftell(myStream); |
7fd59977 |
594 | return Storage_VSOk; |
595 | } |
596 | |
4ff92abe |
597 | //======================================================================= |
598 | //function : EndWriteInfoSection |
599 | //purpose : read |
600 | //======================================================================= |
601 | Storage_Error FSD_BinaryFile::EndWriteInfoSection(Standard_OStream& theOStream) |
602 | { |
603 | myHeader.einfo = (Standard_Integer)theOStream.tellp(); |
4ff92abe |
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 | { |
57c5e9e8 |
796 | myHeader.bcomment = (Standard_Integer )ftell(myStream); |
7fd59977 |
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 | { |
57c5e9e8 |
853 | myHeader.ecomment = (Standard_Integer )ftell(myStream); |
7fd59977 |
854 | return Storage_VSOk; |
855 | } |
856 | |
4ff92abe |
857 | //======================================================================= |
858 | //function : EndWriteCommentSection |
859 | //purpose : read |
860 | //======================================================================= |
861 | Storage_Error FSD_BinaryFile::EndWriteCommentSection (Standard_OStream& theOStream) |
862 | { |
863 | myHeader.ecomment = (Standard_Integer)theOStream.tellp(); |
864 | |
865 | return Storage_VSOk; |
866 | } |
867 | |
7fd59977 |
868 | //======================================================================= |
869 | //function : BeginReadCommentSection |
870 | //purpose : ---------------- COMMENTS : READ |
871 | //======================================================================= |
872 | |
873 | Storage_Error FSD_BinaryFile::BeginReadCommentSection() |
874 | { |
875 | if (!fseek(myStream,myHeader.bcomment,SEEK_SET)) return Storage_VSOk; |
876 | else return Storage_VSSectionNotFound; |
877 | } |
878 | |
879 | //======================================================================= |
880 | //function : ReadComment |
881 | //purpose : |
882 | //======================================================================= |
883 | |
884 | void FSD_BinaryFile::ReadComment(TColStd_SequenceOfExtendedString& aCom) |
885 | { |
886 | TCollection_ExtendedString line; |
887 | Standard_Integer len,i; |
888 | |
889 | GetInteger(len); |
890 | for (i = 1; i <= len && !IsEnd(); i++) { |
891 | ReadExtendedString(line); |
892 | aCom.Append(line); |
893 | } |
894 | } |
895 | |
4ff92abe |
896 | //======================================================================= |
897 | //function : ReadComment |
898 | //purpose : |
899 | //======================================================================= |
900 | void FSD_BinaryFile::ReadComment (Standard_IStream& theIStream, TColStd_SequenceOfExtendedString& aCom) |
901 | { |
902 | TCollection_ExtendedString line; |
903 | Standard_Integer len,i; |
904 | |
905 | GetInteger(theIStream, len); |
906 | for (i = 1; i <= len && theIStream.good(); i++) |
907 | { |
908 | ReadExtendedString(theIStream, line); |
909 | aCom.Append(line); |
910 | } |
911 | } |
912 | |
7fd59977 |
913 | //======================================================================= |
914 | //function : EndReadCommentSection |
915 | //purpose : |
916 | //======================================================================= |
917 | |
918 | Storage_Error FSD_BinaryFile::EndReadCommentSection() |
919 | { |
920 | if (!fseek(myStream,myHeader.ecomment,SEEK_SET)) return Storage_VSOk; |
921 | else return Storage_VSSectionNotFound; |
922 | } |
923 | |
924 | //======================================================================= |
925 | //function : BeginWriteTypeSection |
926 | //purpose : --------------- TYPE : WRITE |
927 | //======================================================================= |
928 | |
929 | Storage_Error FSD_BinaryFile::BeginWriteTypeSection() |
930 | { |
57c5e9e8 |
931 | myHeader.btype = (Standard_Integer )ftell(myStream); |
7fd59977 |
932 | return Storage_VSOk; |
933 | } |
934 | |
935 | //======================================================================= |
936 | //function : SetTypeSectionSize |
937 | //purpose : |
938 | //======================================================================= |
939 | |
940 | void FSD_BinaryFile::SetTypeSectionSize(const Standard_Integer aSize) |
941 | { |
942 | PutInteger(aSize); |
943 | } |
944 | |
945 | //======================================================================= |
946 | //function : WriteTypeInformations |
947 | //purpose : |
948 | //======================================================================= |
949 | |
950 | void FSD_BinaryFile::WriteTypeInformations(const Standard_Integer typeNum, |
951 | const TCollection_AsciiString& typeName) |
952 | { |
953 | PutInteger(typeNum); |
954 | WriteString(typeName); |
955 | } |
956 | |
957 | //======================================================================= |
958 | //function : EndWriteTypeSection |
959 | //purpose : read |
960 | //======================================================================= |
961 | |
962 | Storage_Error FSD_BinaryFile::EndWriteTypeSection() |
963 | { |
57c5e9e8 |
964 | myHeader.etype = (Standard_Integer )ftell(myStream); |
7fd59977 |
965 | return Storage_VSOk; |
966 | } |
967 | |
968 | //======================================================================= |
969 | //function : BeginReadTypeSection |
970 | //purpose : ------------------- TYPE : READ |
971 | //======================================================================= |
972 | |
973 | Storage_Error FSD_BinaryFile::BeginReadTypeSection() |
974 | { |
975 | if (!fseek(myStream,myHeader.btype,SEEK_SET)) return Storage_VSOk; |
976 | else return Storage_VSSectionNotFound; |
977 | } |
978 | |
979 | //======================================================================= |
980 | //function : TypeSectionSize |
981 | //purpose : |
982 | //======================================================================= |
983 | |
984 | Standard_Integer FSD_BinaryFile::TypeSectionSize() |
985 | { |
986 | Standard_Integer i; |
987 | |
988 | GetInteger(i); |
989 | return i; |
990 | } |
991 | |
4ff92abe |
992 | //======================================================================= |
993 | //function : TypeSectionSize |
994 | //purpose : |
995 | //======================================================================= |
996 | Standard_Integer FSD_BinaryFile::TypeSectionSize(Standard_IStream& theIStream) |
997 | { |
998 | Standard_Integer i; |
999 | |
1000 | GetInteger(theIStream, i); |
1001 | return i; |
1002 | } |
1003 | |
7fd59977 |
1004 | //======================================================================= |
1005 | //function : ReadTypeInformations |
1006 | //purpose : |
1007 | //======================================================================= |
1008 | |
1009 | void FSD_BinaryFile::ReadTypeInformations(Standard_Integer& typeNum,TCollection_AsciiString& typeName) |
1010 | { |
1011 | GetInteger(typeNum); |
1012 | ReadString(typeName); |
1013 | } |
1014 | |
4ff92abe |
1015 | //======================================================================= |
1016 | //function : ReadTypeInformations |
1017 | //purpose : |
1018 | //======================================================================= |
1019 | void FSD_BinaryFile::ReadTypeInformations(Standard_IStream& theIStream, Standard_Integer& typeNum,TCollection_AsciiString& typeName) |
1020 | { |
1021 | GetInteger(theIStream, typeNum); |
1022 | ReadString(theIStream, typeName); |
1023 | } |
1024 | |
7fd59977 |
1025 | //======================================================================= |
1026 | //function : EndReadTypeSection |
1027 | //purpose : ROOT SECTION |
1028 | // write |
1029 | //======================================================================= |
1030 | |
1031 | Storage_Error FSD_BinaryFile::EndReadTypeSection() |
1032 | { |
1033 | if (!fseek(myStream,myHeader.etype,SEEK_SET)) return Storage_VSOk; |
1034 | else return Storage_VSSectionNotFound; |
1035 | } |
1036 | |
1037 | //======================================================================= |
1038 | //function : BeginWriteRootSection |
1039 | //purpose : -------------------- ROOT : WRITE |
1040 | //======================================================================= |
1041 | |
1042 | Storage_Error FSD_BinaryFile::BeginWriteRootSection() |
1043 | { |
57c5e9e8 |
1044 | myHeader.broot = (Standard_Integer )ftell(myStream); |
7fd59977 |
1045 | return Storage_VSOk; |
1046 | } |
1047 | |
1048 | //======================================================================= |
1049 | //function : SetRootSectionSize |
1050 | //purpose : |
1051 | //======================================================================= |
1052 | |
1053 | void FSD_BinaryFile::SetRootSectionSize(const Standard_Integer aSize) |
1054 | { |
1055 | PutInteger(aSize); |
1056 | } |
1057 | |
1058 | //======================================================================= |
1059 | //function : WriteRoot |
1060 | //purpose : |
1061 | //======================================================================= |
1062 | |
1063 | void FSD_BinaryFile::WriteRoot(const TCollection_AsciiString& rootName, const Standard_Integer aRef, const TCollection_AsciiString& rootType) |
1064 | { |
1065 | PutReference(aRef); |
1066 | WriteString(rootName); |
1067 | WriteString(rootType); |
1068 | } |
1069 | |
1070 | //======================================================================= |
1071 | //function : EndWriteRootSection |
1072 | //purpose : read |
1073 | //======================================================================= |
1074 | |
1075 | Storage_Error FSD_BinaryFile::EndWriteRootSection() |
1076 | { |
57c5e9e8 |
1077 | myHeader.eroot = (Standard_Integer )ftell(myStream); |
7fd59977 |
1078 | return Storage_VSOk; |
1079 | } |
1080 | |
1081 | //======================================================================= |
1082 | //function : BeginReadRootSection |
1083 | //purpose : ----------------------- ROOT : READ |
1084 | //======================================================================= |
1085 | |
1086 | Storage_Error FSD_BinaryFile::BeginReadRootSection() |
1087 | { |
1088 | if (!fseek(myStream,myHeader.broot,SEEK_SET)) return Storage_VSOk; |
1089 | else return Storage_VSSectionNotFound; |
1090 | } |
1091 | |
1092 | //======================================================================= |
1093 | //function : RootSectionSize |
1094 | //purpose : |
1095 | //======================================================================= |
1096 | |
1097 | Standard_Integer FSD_BinaryFile::RootSectionSize() |
1098 | { |
1099 | Standard_Integer i; |
1100 | |
1101 | GetInteger(i); |
1102 | return i; |
1103 | } |
1104 | |
4ff92abe |
1105 | //======================================================================= |
1106 | //function : RootSectionSize |
1107 | //purpose : |
1108 | //======================================================================= |
1109 | Standard_Integer FSD_BinaryFile::RootSectionSize (Standard_IStream& theIStream) |
1110 | { |
1111 | Standard_Integer i; |
1112 | |
1113 | GetInteger(theIStream, i); |
1114 | return i; |
1115 | } |
1116 | |
7fd59977 |
1117 | //======================================================================= |
1118 | //function : ReadRoot |
1119 | //purpose : |
1120 | //======================================================================= |
1121 | |
1122 | void FSD_BinaryFile::ReadRoot(TCollection_AsciiString& rootName, Standard_Integer& aRef,TCollection_AsciiString& rootType) |
1123 | { |
1124 | GetReference(aRef); |
1125 | ReadString(rootName); |
1126 | ReadString(rootType); |
1127 | } |
1128 | |
4ff92abe |
1129 | //======================================================================= |
1130 | //function : ReadRoot |
1131 | //purpose : |
1132 | //======================================================================= |
1133 | void FSD_BinaryFile::ReadRoot (Standard_IStream& theIStream, TCollection_AsciiString& rootName, Standard_Integer& aRef,TCollection_AsciiString& rootType) |
1134 | { |
1135 | GetReference(theIStream, aRef); |
1136 | ReadString(theIStream, rootName); |
1137 | ReadString(theIStream, rootType); |
1138 | } |
1139 | |
7fd59977 |
1140 | //======================================================================= |
1141 | //function : EndReadRootSection |
1142 | //purpose : REF SECTION |
1143 | // write |
1144 | //======================================================================= |
1145 | |
1146 | Storage_Error FSD_BinaryFile::EndReadRootSection() |
1147 | { |
1148 | if (!fseek(myStream,myHeader.eroot,SEEK_SET)) return Storage_VSOk; |
1149 | else return Storage_VSSectionNotFound; |
1150 | } |
1151 | |
1152 | //======================================================================= |
1153 | //function : BeginWriteRefSection |
1154 | //purpose : -------------------------- REF : WRITE |
1155 | //======================================================================= |
1156 | |
1157 | Storage_Error FSD_BinaryFile::BeginWriteRefSection() |
1158 | { |
57c5e9e8 |
1159 | myHeader.bref = (Standard_Integer )ftell(myStream); |
7fd59977 |
1160 | return Storage_VSOk; |
1161 | } |
1162 | |
1163 | //======================================================================= |
1164 | //function : SetRefSectionSize |
1165 | //purpose : |
1166 | //======================================================================= |
1167 | |
1168 | void FSD_BinaryFile::SetRefSectionSize(const Standard_Integer aSize) |
1169 | { |
1170 | PutInteger(aSize); |
1171 | } |
1172 | |
1173 | //======================================================================= |
1174 | //function : WriteReferenceType |
1175 | //purpose : |
1176 | //======================================================================= |
1177 | |
1178 | void FSD_BinaryFile::WriteReferenceType(const Standard_Integer reference,const Standard_Integer typeNum) |
1179 | { |
1180 | PutReference(reference); |
1181 | PutInteger(typeNum); |
1182 | } |
1183 | |
1184 | //======================================================================= |
1185 | //function : EndWriteRefSection |
1186 | //purpose : read |
1187 | //======================================================================= |
1188 | |
1189 | Storage_Error FSD_BinaryFile::EndWriteRefSection() |
1190 | { |
57c5e9e8 |
1191 | myHeader.eref = (Standard_Integer )ftell(myStream); |
7fd59977 |
1192 | return Storage_VSOk; |
1193 | } |
1194 | |
1195 | //======================================================================= |
1196 | //function : BeginReadRefSection |
1197 | //purpose : ----------------------- REF : READ |
1198 | //======================================================================= |
1199 | |
1200 | Storage_Error FSD_BinaryFile::BeginReadRefSection() |
1201 | { |
1202 | if (!fseek(myStream,myHeader.bref,SEEK_SET)) return Storage_VSOk; |
1203 | else return Storage_VSSectionNotFound; |
1204 | } |
1205 | |
1206 | //======================================================================= |
1207 | //function : RefSectionSize |
1208 | //purpose : |
1209 | //======================================================================= |
1210 | |
1211 | Standard_Integer FSD_BinaryFile::RefSectionSize() |
1212 | { |
1213 | Standard_Integer i; |
1214 | |
1215 | GetInteger(i); |
1216 | return i; |
1217 | } |
1218 | |
4ff92abe |
1219 | //======================================================================= |
1220 | //function : RefSectionSize |
1221 | //purpose : |
1222 | //======================================================================= |
1223 | Standard_Integer FSD_BinaryFile::RefSectionSize (Standard_IStream& theIStream) |
1224 | { |
1225 | Standard_Integer i; |
1226 | |
1227 | GetInteger(theIStream, i); |
1228 | return i; |
1229 | } |
1230 | |
7fd59977 |
1231 | //======================================================================= |
1232 | //function : ReadReferenceType |
1233 | //purpose : |
1234 | //======================================================================= |
1235 | |
1236 | void FSD_BinaryFile::ReadReferenceType(Standard_Integer& reference, |
1237 | Standard_Integer& typeNum) |
1238 | { |
1239 | GetReference(reference); |
1240 | GetInteger(typeNum); |
1241 | } |
1242 | |
4ff92abe |
1243 | //======================================================================= |
1244 | //function : ReadReferenceType |
1245 | //purpose : |
1246 | //======================================================================= |
1247 | void FSD_BinaryFile::ReadReferenceType (Standard_IStream& theIStream, Standard_Integer& reference, Standard_Integer& typeNum) |
1248 | { |
1249 | GetReference (theIStream, reference); |
1250 | GetInteger (theIStream, typeNum); |
1251 | } |
1252 | |
7fd59977 |
1253 | //======================================================================= |
1254 | //function : EndReadRefSection |
1255 | //purpose : DATA SECTION |
1256 | // write |
1257 | //======================================================================= |
1258 | |
1259 | Storage_Error FSD_BinaryFile::EndReadRefSection() |
1260 | { |
1261 | if (!fseek(myStream,myHeader.eref,SEEK_SET)) return Storage_VSOk; |
1262 | else return Storage_VSSectionNotFound; |
1263 | } |
1264 | |
1265 | //======================================================================= |
1266 | //function : BeginWriteDataSection |
1267 | //purpose : -------------------- DATA : WRITE |
1268 | //======================================================================= |
1269 | |
1270 | Storage_Error FSD_BinaryFile::BeginWriteDataSection() |
1271 | { |
57c5e9e8 |
1272 | myHeader.bdata = (Standard_Integer )ftell(myStream); |
7fd59977 |
1273 | return Storage_VSOk; |
1274 | } |
1275 | |
1276 | //======================================================================= |
1277 | //function : WritePersistentObjectHeader |
1278 | //purpose : |
1279 | //======================================================================= |
1280 | |
1281 | void FSD_BinaryFile::WritePersistentObjectHeader(const Standard_Integer aRef, |
1282 | const Standard_Integer aType) |
1283 | { |
1284 | PutReference(aRef); |
1285 | PutInteger(aType); |
1286 | } |
1287 | |
1288 | //======================================================================= |
1289 | //function : BeginWritePersistentObjectData |
1290 | //purpose : |
1291 | //======================================================================= |
1292 | |
1293 | void FSD_BinaryFile::BeginWritePersistentObjectData() |
1294 | { |
1295 | } |
1296 | |
1297 | //======================================================================= |
1298 | //function : BeginWriteObjectData |
1299 | //purpose : |
1300 | //======================================================================= |
1301 | |
1302 | void FSD_BinaryFile::BeginWriteObjectData() |
1303 | { |
1304 | } |
1305 | |
1306 | //======================================================================= |
1307 | //function : EndWriteObjectData |
1308 | //purpose : |
1309 | //======================================================================= |
1310 | |
1311 | void FSD_BinaryFile::EndWriteObjectData() |
1312 | { |
1313 | } |
1314 | |
1315 | //======================================================================= |
1316 | //function : EndWritePersistentObjectData |
1317 | //purpose : |
1318 | //======================================================================= |
1319 | |
1320 | void FSD_BinaryFile::EndWritePersistentObjectData() |
1321 | { |
1322 | } |
1323 | |
1324 | //======================================================================= |
1325 | //function : EndWriteDataSection |
1326 | //purpose : read |
1327 | //======================================================================= |
1328 | |
1329 | Storage_Error FSD_BinaryFile::EndWriteDataSection() |
1330 | { |
57c5e9e8 |
1331 | myHeader.edata = (Standard_Integer )ftell(myStream); |
7fd59977 |
1332 | |
1333 | fseek(myStream,myHeader.binfo,SEEK_SET); |
1334 | WriteHeader(); |
1335 | return Storage_VSOk; |
1336 | } |
1337 | |
1338 | //======================================================================= |
1339 | //function : BeginReadDataSection |
1340 | //purpose : ---------------------- DATA : READ |
1341 | //======================================================================= |
1342 | |
1343 | Storage_Error FSD_BinaryFile::BeginReadDataSection() |
1344 | { |
1345 | if (!fseek(myStream,myHeader.bdata,SEEK_SET)) return Storage_VSOk; |
1346 | else return Storage_VSSectionNotFound; |
1347 | } |
1348 | |
1349 | //======================================================================= |
1350 | //function : ReadPersistentObjectHeader |
1351 | //purpose : |
1352 | //======================================================================= |
1353 | |
1354 | void FSD_BinaryFile::ReadPersistentObjectHeader(Standard_Integer& aRef, |
1355 | Standard_Integer& aType) |
1356 | { |
1357 | GetReference(aRef); |
1358 | GetInteger(aType); |
1359 | } |
1360 | |
1361 | //======================================================================= |
1362 | //function : BeginReadPersistentObjectData |
1363 | //purpose : |
1364 | //======================================================================= |
1365 | |
1366 | void FSD_BinaryFile::BeginReadPersistentObjectData() |
1367 | { |
1368 | } |
1369 | |
1370 | //======================================================================= |
1371 | //function : BeginReadObjectData |
1372 | //purpose : |
1373 | //======================================================================= |
1374 | |
1375 | void FSD_BinaryFile::BeginReadObjectData() |
1376 | { |
1377 | } |
1378 | |
1379 | //======================================================================= |
1380 | //function : EndReadObjectData |
1381 | //purpose : |
1382 | //======================================================================= |
1383 | |
1384 | void FSD_BinaryFile::EndReadObjectData() |
1385 | { |
1386 | } |
1387 | |
1388 | //======================================================================= |
1389 | //function : EndReadPersistentObjectData |
1390 | //purpose : |
1391 | //======================================================================= |
1392 | |
1393 | void FSD_BinaryFile::EndReadPersistentObjectData() |
1394 | { |
1395 | } |
1396 | |
1397 | //======================================================================= |
1398 | //function : EndReadDataSection |
1399 | //purpose : |
1400 | //======================================================================= |
1401 | |
1402 | Storage_Error FSD_BinaryFile::EndReadDataSection() |
1403 | { |
1404 | if (!fseek(myStream,myHeader.edata,SEEK_SET)) return Storage_VSOk; |
1405 | else return Storage_VSSectionNotFound; |
1406 | } |
1407 | |
1408 | //======================================================================= |
1409 | //function : WriteString |
1410 | //purpose : write string at the current position. |
1411 | //======================================================================= |
1412 | |
1413 | void FSD_BinaryFile::WriteString(const TCollection_AsciiString& aString) |
1414 | { |
1415 | Standard_Integer size; |
1416 | |
1417 | size = aString.Length(); |
1418 | |
1419 | PutInteger(size); |
1420 | |
1421 | if (size > 0) { |
9775fa61 |
1422 | if (!fwrite(aString.ToCString(),aString.Length(),1,myStream)) throw Storage_StreamWriteError(); |
7fd59977 |
1423 | } |
1424 | } |
1425 | |
4ff92abe |
1426 | //======================================================================= |
1427 | //function : WriteString |
1428 | //purpose : write string at the current position. |
1429 | //======================================================================= |
1430 | Standard_Integer FSD_BinaryFile::WriteString (Standard_OStream& theOStream, |
1431 | const TCollection_AsciiString& theString, |
1432 | const Standard_Boolean theOnlyCount) |
1433 | { |
1434 | Standard_Integer aNumAndStrLen, anAsciiStrLen; |
1435 | |
1436 | anAsciiStrLen = aNumAndStrLen = theString.Length(); |
1437 | |
1438 | aNumAndStrLen += PutInteger (theOStream, anAsciiStrLen, theOnlyCount); |
1439 | |
1440 | if (anAsciiStrLen > 0 && !theOnlyCount) |
1441 | { |
1442 | theOStream.write (theString.ToCString(), theString.Length()); |
1443 | if (theOStream.fail()) |
1444 | { |
9775fa61 |
1445 | throw Storage_StreamWriteError(); |
4ff92abe |
1446 | } |
1447 | } |
1448 | |
1449 | return aNumAndStrLen; |
1450 | } |
1451 | |
7fd59977 |
1452 | //======================================================================= |
1453 | //function : ReadString |
1454 | //purpose : read string from the current position. |
1455 | //======================================================================= |
1456 | |
1457 | void FSD_BinaryFile::ReadString(TCollection_AsciiString& aString) |
1458 | { |
1459 | Standard_Integer size = 0; |
1460 | |
1461 | GetInteger(size); |
1462 | if (size > 0) { |
1463 | Standard_Character *c = (Standard_Character *)Standard::Allocate((size+1) * sizeof(Standard_Character)); |
9775fa61 |
1464 | if (!fread(c,size,1,myStream)) throw Storage_StreamWriteError(); |
7fd59977 |
1465 | c[size] = '\0'; |
1466 | aString = c; |
547702a1 |
1467 | Standard::Free(c); |
7fd59977 |
1468 | } |
1469 | else { |
1470 | aString.Clear(); |
1471 | } |
1472 | } |
1473 | |
4ff92abe |
1474 | //======================================================================= |
1475 | //function : ReadString |
1476 | //purpose : read string from the current position. |
1477 | //======================================================================= |
1478 | void FSD_BinaryFile::ReadString (Standard_IStream& theIStream, TCollection_AsciiString& aString) |
1479 | { |
1480 | Standard_Integer size = 0; |
1481 | |
1482 | GetInteger(theIStream, size); |
1483 | |
1484 | if (size > 0) |
1485 | { |
1486 | Standard_Character *c = (Standard_Character *)Standard::Allocate((size+1) * sizeof(Standard_Character)); |
1487 | |
1488 | if (!theIStream.good()) |
1489 | { |
9775fa61 |
1490 | throw Storage_StreamReadError(); |
4ff92abe |
1491 | } |
1492 | |
1493 | theIStream.read (c, size); |
1494 | |
1495 | if (theIStream.gcount() != size) |
1496 | { |
9775fa61 |
1497 | throw Storage_StreamReadError(); |
4ff92abe |
1498 | } |
1499 | |
1500 | c[size] = '\0'; |
1501 | |
1502 | aString = c; |
1503 | |
1504 | Standard::Free(c); |
1505 | } |
1506 | else |
1507 | { |
1508 | aString.Clear(); |
1509 | } |
1510 | } |
1511 | |
7fd59977 |
1512 | //======================================================================= |
1513 | //function : WriteExtendedString |
1514 | //purpose : write string at the current position. |
1515 | //======================================================================= |
1516 | |
1517 | void FSD_BinaryFile::WriteExtendedString(const TCollection_ExtendedString& aString) |
1518 | { |
1519 | Standard_Integer size; |
1520 | |
1521 | size = aString.Length(); |
1522 | |
1523 | PutInteger(size); |
1524 | |
1525 | if (size > 0) { |
1526 | Standard_ExtString anExtStr; |
10a4116e |
1527 | #if OCCT_BINARY_FILE_DO_INVERSE |
7fd59977 |
1528 | TCollection_ExtendedString aCopy = aString; |
1529 | anExtStr = aCopy.ToExtString(); |
1530 | |
1531 | Standard_PExtCharacter pChar; |
1532 | // |
1533 | pChar=(Standard_PExtCharacter)anExtStr; |
1534 | |
1535 | for (Standard_Integer i=0; i < size; i++) |
1536 | pChar[i] = InverseExtChar (pChar[i]); |
1537 | #else |
1538 | anExtStr = aString.ToExtString(); |
1539 | #endif |
1540 | if (!fwrite(anExtStr,sizeof(Standard_ExtCharacter)*aString.Length(),1,myStream)) |
9775fa61 |
1541 | throw Storage_StreamWriteError(); |
7fd59977 |
1542 | } |
1543 | } |
1544 | |
4ff92abe |
1545 | //======================================================================= |
1546 | //function : WriteExtendedString |
1547 | //purpose : write string at the current position. |
1548 | //======================================================================= |
1549 | Standard_Integer FSD_BinaryFile::WriteExtendedString (Standard_OStream& theOStream, |
1550 | const TCollection_ExtendedString& theString, |
1551 | const Standard_Boolean theOnlyCount) |
1552 | { |
1553 | Standard_Integer aNumAndStrLen, anExtStrLen; |
1554 | anExtStrLen = theString.Length(); |
1555 | |
1556 | aNumAndStrLen = anExtStrLen * sizeof(Standard_ExtCharacter); |
1557 | aNumAndStrLen += PutInteger (theOStream, anExtStrLen, theOnlyCount); |
1558 | |
1559 | if (anExtStrLen > 0 && !theOnlyCount) |
1560 | { |
1561 | Standard_ExtString anExtStr; |
1562 | #if OCCT_BINARY_FILE_DO_INVERSE |
1563 | TCollection_ExtendedString aCopy = theString; |
1564 | anExtStr = aCopy.ToExtString(); |
1565 | |
1566 | Standard_PExtCharacter pChar; |
1567 | // |
1568 | pChar = (Standard_PExtCharacter)anExtStr; |
1569 | |
1570 | for (Standard_Integer i = 0; i < anExtStrLen; i++) |
1571 | { |
1572 | pChar[i] = InverseExtChar (pChar[i]); |
1573 | } |
1574 | #else |
1575 | anExtStr = theString.ToExtString(); |
1576 | #endif |
1577 | |
1578 | theOStream.write((char*)anExtStr, sizeof(Standard_ExtCharacter)*theString.Length()); |
1579 | if (theOStream.fail()) |
1580 | { |
9775fa61 |
1581 | throw Storage_StreamWriteError(); |
4ff92abe |
1582 | } |
1583 | } |
1584 | |
1585 | return aNumAndStrLen; |
1586 | } |
1587 | |
7fd59977 |
1588 | //======================================================================= |
1589 | //function : ReadExtendedString |
1590 | //purpose : read string from the current position. |
1591 | //======================================================================= |
1592 | |
1593 | void FSD_BinaryFile::ReadExtendedString(TCollection_ExtendedString& aString) |
1594 | { |
1595 | Standard_Integer size = 0; |
1596 | |
1597 | GetInteger(size); |
1598 | if (size > 0) { |
1599 | Standard_ExtCharacter *c = (Standard_ExtCharacter *) |
1600 | Standard::Allocate((size+1) * sizeof(Standard_ExtCharacter)); |
1601 | if (!fread(c,size*sizeof(Standard_ExtCharacter),1,myStream)) |
9775fa61 |
1602 | throw Storage_StreamWriteError(); |
7fd59977 |
1603 | c[size] = '\0'; |
10a4116e |
1604 | #if OCCT_BINARY_FILE_DO_INVERSE |
7fd59977 |
1605 | for (Standard_Integer i=0; i < size; i++) |
1606 | c[i] = InverseExtChar (c[i]); |
1607 | #endif |
1608 | aString = c; |
547702a1 |
1609 | Standard::Free(c); |
7fd59977 |
1610 | } |
1611 | else { |
1612 | aString.Clear(); |
1613 | } |
1614 | } |
1615 | |
4ff92abe |
1616 | //======================================================================= |
1617 | //function : ReadExtendedString |
1618 | //purpose : read string from the current position. |
1619 | //======================================================================= |
1620 | void FSD_BinaryFile::ReadExtendedString (Standard_IStream& theIStream, TCollection_ExtendedString& aString) |
1621 | { |
1622 | Standard_Integer size = 0; |
1623 | |
1624 | GetInteger (theIStream, size); |
1625 | |
1626 | if (size > 0) |
1627 | { |
1628 | Standard_ExtCharacter *c = (Standard_ExtCharacter *)Standard::Allocate((size+1) * sizeof(Standard_ExtCharacter)); |
1629 | |
1630 | if (!theIStream.good()) |
1631 | { |
9775fa61 |
1632 | throw Storage_StreamReadError(); |
4ff92abe |
1633 | } |
1634 | |
402cfabc |
1635 | const std::streamsize aNbBytes = std::streamsize(sizeof(Standard_ExtCharacter) * size); |
1636 | theIStream.read ((char *)c, aNbBytes); |
1637 | if (theIStream.gcount() != aNbBytes) |
4ff92abe |
1638 | { |
9775fa61 |
1639 | throw Storage_StreamReadError(); |
4ff92abe |
1640 | } |
402cfabc |
1641 | |
4ff92abe |
1642 | c[size] = '\0'; |
1643 | |
1644 | #if OCCT_BINARY_FILE_DO_INVERSE |
1645 | for (Standard_Integer i=0; i < size; i++) |
1646 | { |
1647 | c[i] = InverseExtChar (c[i]); |
1648 | } |
1649 | #endif |
1650 | aString = c; |
1651 | Standard::Free(c); |
1652 | } |
1653 | else |
1654 | { |
1655 | aString.Clear(); |
1656 | } |
1657 | } |
1658 | |
7fd59977 |
1659 | //======================================================================= |
1660 | //function : WriteHeader |
1661 | //purpose : |
1662 | //======================================================================= |
1663 | |
1664 | void FSD_BinaryFile::WriteHeader() |
1665 | { |
1666 | PutInteger(myHeader.testindian); |
1667 | PutInteger(myHeader.binfo); |
1668 | PutInteger(myHeader.einfo); |
1669 | PutInteger(myHeader.bcomment); |
1670 | PutInteger(myHeader.ecomment); |
1671 | PutInteger(myHeader.btype); |
1672 | PutInteger(myHeader.etype); |
1673 | PutInteger(myHeader.broot); |
1674 | PutInteger(myHeader.eroot); |
1675 | PutInteger(myHeader.bref); |
1676 | PutInteger(myHeader.eref); |
1677 | PutInteger(myHeader.bdata); |
1678 | PutInteger(myHeader.edata); |
1679 | } |
1680 | |
4ff92abe |
1681 | //======================================================================= |
1682 | //function : WriteHeader |
1683 | //purpose : |
1684 | //======================================================================= |
1685 | Standard_Integer FSD_BinaryFile::WriteHeader (Standard_OStream& theOStream, |
1686 | const FSD_FileHeader& theHeader, |
1687 | const Standard_Boolean theOnlyCount) |
1688 | { |
1689 | Standard_Integer aHeaderSize = 0; |
1690 | |
1691 | aHeaderSize += PutInteger (theOStream, theHeader.testindian, theOnlyCount); |
1692 | aHeaderSize += PutInteger (theOStream, theHeader.binfo, theOnlyCount); |
1693 | aHeaderSize += PutInteger (theOStream, theHeader.einfo, theOnlyCount); |
1694 | aHeaderSize += PutInteger (theOStream, theHeader.bcomment, theOnlyCount); |
1695 | aHeaderSize += PutInteger (theOStream, theHeader.ecomment, theOnlyCount); |
1696 | aHeaderSize += PutInteger (theOStream, theHeader.btype, theOnlyCount); |
1697 | aHeaderSize += PutInteger (theOStream, theHeader.etype, theOnlyCount); |
1698 | aHeaderSize += PutInteger (theOStream, theHeader.broot, theOnlyCount); |
1699 | aHeaderSize += PutInteger (theOStream, theHeader.eroot, theOnlyCount); |
1700 | aHeaderSize += PutInteger (theOStream, theHeader.bref, theOnlyCount); |
1701 | aHeaderSize += PutInteger (theOStream, theHeader.eref, theOnlyCount); |
1702 | aHeaderSize += PutInteger (theOStream, theHeader.bdata, theOnlyCount); |
1703 | aHeaderSize += PutInteger (theOStream, theHeader.edata, theOnlyCount); |
1704 | |
1705 | return aHeaderSize; |
1706 | } |
1707 | |
7fd59977 |
1708 | //======================================================================= |
1709 | //function : ReadHeader |
1710 | //purpose : |
1711 | //======================================================================= |
1712 | |
1713 | void FSD_BinaryFile::ReadHeader() |
1714 | { |
1715 | GetInteger(myHeader.testindian); |
1716 | GetInteger(myHeader.binfo); |
1717 | GetInteger(myHeader.einfo); |
1718 | GetInteger(myHeader.bcomment); |
1719 | GetInteger(myHeader.ecomment); |
1720 | GetInteger(myHeader.btype); |
1721 | GetInteger(myHeader.etype); |
1722 | GetInteger(myHeader.broot); |
1723 | GetInteger(myHeader.eroot); |
1724 | GetInteger(myHeader.bref); |
1725 | GetInteger(myHeader.eref); |
1726 | GetInteger(myHeader.bdata); |
1727 | GetInteger(myHeader.edata); |
1728 | } |
1729 | |
4ff92abe |
1730 | //======================================================================= |
1731 | //function : ReadHeader |
1732 | //purpose : |
1733 | //======================================================================= |
1734 | |
1735 | void FSD_BinaryFile::ReadHeader(Standard_IStream& theIStream, FSD_FileHeader& theFileHeader) |
1736 | { |
1737 | GetInteger (theIStream, theFileHeader.testindian); |
1738 | GetInteger (theIStream, theFileHeader.binfo); |
1739 | GetInteger (theIStream, theFileHeader.einfo); |
1740 | GetInteger (theIStream, theFileHeader.bcomment); |
1741 | GetInteger (theIStream, theFileHeader.ecomment); |
1742 | GetInteger (theIStream, theFileHeader.btype); |
1743 | GetInteger (theIStream, theFileHeader.etype); |
1744 | GetInteger (theIStream, theFileHeader.broot); |
1745 | GetInteger (theIStream, theFileHeader.eroot); |
1746 | GetInteger (theIStream, theFileHeader.bref); |
1747 | GetInteger (theIStream, theFileHeader.eref); |
1748 | GetInteger (theIStream, theFileHeader.bdata); |
1749 | GetInteger (theIStream, theFileHeader.edata); |
1750 | } |
1751 | |
1752 | //======================================================================= |
1753 | //function : ReadHeaderData |
1754 | //purpose : |
1755 | //======================================================================= |
1756 | void FSD_BinaryFile::ReadHeaderData( Standard_IStream& theIStream, const Handle(Storage_HeaderData)& theHeaderData ) |
1757 | { |
1758 | // read info |
1759 | TCollection_AsciiString uinfo,mStorageVersion,mDate,mSchemaName,mSchemaVersion,mApplicationVersion; |
1760 | TCollection_ExtendedString mApplicationName,mDataType; |
1761 | TColStd_SequenceOfAsciiString mUserInfo; |
1762 | Standard_Integer mNBObj; |
1763 | |
1764 | FSD_BinaryFile::GetInteger (theIStream, mNBObj); |
1765 | FSD_BinaryFile::ReadString (theIStream, mStorageVersion); |
1766 | FSD_BinaryFile::ReadString (theIStream, mDate); |
1767 | FSD_BinaryFile::ReadString (theIStream, mSchemaName); |
1768 | FSD_BinaryFile::ReadString (theIStream, mSchemaVersion); |
1769 | FSD_BinaryFile::ReadExtendedString(theIStream, mApplicationName); |
1770 | FSD_BinaryFile::ReadString (theIStream, mApplicationVersion); |
1771 | FSD_BinaryFile::ReadExtendedString(theIStream, mDataType); |
1772 | |
1773 | Standard_Integer len = 0; |
1774 | TCollection_AsciiString line; |
1775 | |
1776 | FSD_BinaryFile::GetInteger(theIStream, len); |
1777 | |
1778 | for (Standard_Integer i = 1; i <= len && theIStream.good(); i++) |
1779 | { |
1780 | FSD_BinaryFile::ReadString (theIStream, line); |
1781 | mUserInfo.Append(line); |
1782 | } |
1783 | |
1784 | theHeaderData->SetNumberOfObjects(mNBObj); |
1785 | theHeaderData->SetStorageVersion(mStorageVersion); |
1786 | theHeaderData->SetCreationDate(mDate); |
1787 | theHeaderData->SetSchemaName(mSchemaName); |
1788 | theHeaderData->SetSchemaVersion(mSchemaVersion); |
1789 | theHeaderData->SetApplicationName(mApplicationName); |
1790 | theHeaderData->SetApplicationVersion(mApplicationVersion); |
1791 | theHeaderData->SetDataType(mDataType); |
1792 | |
1793 | for (Standard_Integer i = 1; i <= mUserInfo.Length(); i++) { |
1794 | theHeaderData->AddToUserInfo(mUserInfo.Value(i)); |
1795 | } |
1796 | } |
7fd59977 |
1797 | |
1798 | //======================================================================= |
1799 | //function : Tell |
1800 | //purpose : return position in the file. Return -1 upon error. |
1801 | //======================================================================= |
1802 | |
1803 | Storage_Position FSD_BinaryFile::Tell() |
1804 | { |
1805 | return (Storage_Position) ftell(myStream); |
1806 | } |
10a4116e |
1807 | |
1808 | //======================================================================= |
1809 | //function : InverseReal |
1810 | //purpose : Inverses bytes in the real value |
1811 | //======================================================================= |
1812 | |
1813 | Standard_Real FSD_BinaryFile::InverseReal (const Standard_Real theValue) |
1814 | { |
1815 | Standard_STATIC_ASSERT(sizeof(Standard_Real) == 2 * sizeof(Standard_Integer)); |
1816 | union { |
1817 | Standard_Integer i[2]; |
1818 | Standard_Real aValue; |
1819 | } aWrapUnion; |
1820 | |
1821 | aWrapUnion.aValue = theValue; |
1822 | |
1823 | Standard_Integer aTemp = aWrapUnion.i[1]; |
1824 | aWrapUnion.i[1] = InverseInt(aWrapUnion.i[0]); |
1825 | aWrapUnion.i[0] = InverseInt(aTemp); |
1826 | |
1827 | return aWrapUnion.aValue; |
1828 | } |
1829 | |
1830 | //======================================================================= |
1831 | //function : InverseShortReal |
1832 | //purpose : Inverses bytes in the short real value |
1833 | //======================================================================= |
1834 | |
1835 | Standard_ShortReal FSD_BinaryFile::InverseShortReal (const Standard_ShortReal theValue) |
1836 | { |
1837 | Standard_STATIC_ASSERT(sizeof(Standard_ShortReal) == sizeof(Standard_Integer)); |
1838 | union { |
1839 | Standard_ShortReal aValue; |
1840 | Standard_Integer aResult; |
1841 | } aWrapUnion; |
1842 | |
1843 | aWrapUnion.aValue = theValue; |
1844 | aWrapUnion.aResult = InverseInt (aWrapUnion.aResult); |
1845 | |
1846 | return aWrapUnion.aValue; |
1847 | } |
1848 | |
1849 | //======================================================================= |
1850 | //function : InverseSize |
1851 | //purpose : Inverses bytes in size_t type instance |
1852 | //======================================================================= |
1853 | |
1854 | template<int size> |
41fbbba8 |
1855 | inline uint64_t OCCT_InverseSizeSpecialized (const uint64_t theValue, int); |
10a4116e |
1856 | |
1857 | template<> |
41fbbba8 |
1858 | inline uint64_t OCCT_InverseSizeSpecialized <4> (const uint64_t theValue, int) |
10a4116e |
1859 | { |
1860 | return FSD_BinaryFile::InverseInt(static_cast<Standard_Integer>(theValue)); |
1861 | } |
1862 | |
1863 | template<> |
41fbbba8 |
1864 | inline uint64_t OCCT_InverseSizeSpecialized <8> (const uint64_t theValue, int) |
10a4116e |
1865 | { |
1866 | union { |
1867 | Standard_Integer i[2]; |
41fbbba8 |
1868 | uint64_t aValue; |
10a4116e |
1869 | } aWrapUnion; |
1870 | |
1871 | aWrapUnion.aValue = theValue; |
1872 | |
1873 | Standard_Integer aTemp = aWrapUnion.i[1]; |
1874 | aWrapUnion.i[1] = FSD_BinaryFile::InverseInt(aWrapUnion.i[0]); |
1875 | aWrapUnion.i[0] = FSD_BinaryFile::InverseInt(aTemp); |
1876 | |
1877 | return aWrapUnion.aValue; |
1878 | } |
1879 | |
1880 | Standard_Size FSD_BinaryFile::InverseSize (const Standard_Size theValue) |
1881 | { |
41fbbba8 |
1882 | return (Standard_Size) OCCT_InverseSizeSpecialized <sizeof(Standard_Size)> (theValue, 0); |
1883 | } |
1884 | |
1885 | uint64_t FSD_BinaryFile::InverseUint64 (const uint64_t theValue) |
1886 | { |
1887 | return OCCT_InverseSizeSpecialized <sizeof(uint64_t)> (theValue, 0); |
10a4116e |
1888 | } |