| 1 | // Created on: 2002-10-31 |
| 2 | // Created by: Michael SAZONOV |
| 3 | // Copyright (c) 2002-2014 OPEN CASCADE SAS |
| 4 | // |
| 5 | // This file is part of Open CASCADE Technology software library. |
| 6 | // |
| 7 | // This library is free software; you can redistribute it and/or modify it under |
| 8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
| 9 | // by the Free Software Foundation, with special exception defined in the file |
| 10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
| 11 | // distribution for complete text of the license and disclaimer of any warranty. |
| 12 | // |
| 13 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 14 | // commercial license or contractual agreement. |
| 15 | |
| 16 | |
| 17 | #include <BinLDrivers.hxx> |
| 18 | #include <BinLDrivers_DocumentRetrievalDriver.hxx> |
| 19 | #include <BinLDrivers_DocumentSection.hxx> |
| 20 | #include <BinLDrivers_Marker.hxx> |
| 21 | #include <BinMDataStd.hxx> |
| 22 | #include <BinMDF_ADriver.hxx> |
| 23 | #include <BinMDF_ADriverTable.hxx> |
| 24 | #include <BinObjMgt_Persistent.hxx> |
| 25 | #include <CDM_Application.hxx> |
| 26 | #include <CDM_Document.hxx> |
| 27 | #include <CDM_MessageDriver.hxx> |
| 28 | #include <FSD_BinaryFile.hxx> |
| 29 | #include <FSD_FileHeader.hxx> |
| 30 | #include <OSD_OpenFile.hxx> |
| 31 | #include <PCDM_Document.hxx> |
| 32 | #include <PCDM_ReadWriter.hxx> |
| 33 | #include <Standard_ErrorHandler.hxx> |
| 34 | #include <Standard_Stream.hxx> |
| 35 | #include <Standard_Type.hxx> |
| 36 | #include <Storage_HeaderData.hxx> |
| 37 | #include <Storage_Schema.hxx> |
| 38 | #include <TCollection_AsciiString.hxx> |
| 39 | #include <TCollection_ExtendedString.hxx> |
| 40 | #include <TDF_Attribute.hxx> |
| 41 | #include <TDF_Data.hxx> |
| 42 | #include <TDF_Label.hxx> |
| 43 | #include <TDocStd_Document.hxx> |
| 44 | #include <TDocStd_Owner.hxx> |
| 45 | |
| 46 | IMPLEMENT_STANDARD_RTTIEXT(BinLDrivers_DocumentRetrievalDriver,PCDM_RetrievalDriver) |
| 47 | |
| 48 | #define SHAPESECTION_POS "SHAPE_SECTION_POS:" |
| 49 | #define SIZEOFSHAPELABEL 18 |
| 50 | |
| 51 | #define DATATYPE_MIGRATION |
| 52 | //#define DATATYPE_MIGRATION_DEB |
| 53 | //======================================================================= |
| 54 | //function : BinLDrivers_DocumentRetrievalDriver |
| 55 | //purpose : Constructor |
| 56 | //======================================================================= |
| 57 | |
| 58 | BinLDrivers_DocumentRetrievalDriver::BinLDrivers_DocumentRetrievalDriver () |
| 59 | { |
| 60 | myReaderStatus = PCDM_RS_OK; |
| 61 | } |
| 62 | |
| 63 | //======================================================================= |
| 64 | //function : CreateDocument |
| 65 | //purpose : pure virtual method definition |
| 66 | //======================================================================= |
| 67 | |
| 68 | Handle(CDM_Document) BinLDrivers_DocumentRetrievalDriver::CreateDocument() |
| 69 | { |
| 70 | return new TDocStd_Document(PCDM_RetrievalDriver::GetFormat()); |
| 71 | } |
| 72 | |
| 73 | //======================================================================= |
| 74 | //function : Read |
| 75 | //purpose : |
| 76 | //======================================================================= |
| 77 | void BinLDrivers_DocumentRetrievalDriver::Read |
| 78 | (const TCollection_ExtendedString& theFileName, |
| 79 | const Handle(CDM_Document)& theNewDocument, |
| 80 | const Handle(CDM_Application)& theApplication) |
| 81 | { |
| 82 | std::ifstream aFileStream; |
| 83 | OSD_OpenStream (aFileStream, theFileName, std::ios::in | std::ios::binary); |
| 84 | |
| 85 | if (aFileStream.is_open() && aFileStream.good()) |
| 86 | { |
| 87 | Handle(Storage_Data) dData; |
| 88 | TCollection_ExtendedString aFormat = PCDM_ReadWriter::FileFormat (aFileStream, dData); |
| 89 | |
| 90 | Read (aFileStream, dData, theNewDocument, theApplication); |
| 91 | } |
| 92 | else |
| 93 | { |
| 94 | myReaderStatus = PCDM_RS_OpenError; |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | #define MODIFICATION_COUNTER "MODIFICATION_COUNTER: " |
| 99 | #define REFERENCE_COUNTER "REFERENCE_COUNTER: " |
| 100 | |
| 101 | #define START_TYPES "START_TYPES" |
| 102 | #define END_TYPES "END_TYPES" |
| 103 | |
| 104 | //======================================================================= |
| 105 | //function : Read |
| 106 | //purpose : |
| 107 | //======================================================================= |
| 108 | void BinLDrivers_DocumentRetrievalDriver::Read (Standard_IStream& theIStream, |
| 109 | const Handle(Storage_Data)& theStorageData, |
| 110 | const Handle(CDM_Document)& theDoc, |
| 111 | const Handle(CDM_Application)& theApplication) |
| 112 | { |
| 113 | myReaderStatus = PCDM_RS_DriverFailure; |
| 114 | myMsgDriver = theApplication -> MessageDriver(); |
| 115 | |
| 116 | const TCollection_ExtendedString aMethStr |
| 117 | ("BinLDrivers_DocumentRetrievalDriver: "); |
| 118 | |
| 119 | Handle(TDocStd_Document) aDoc = |
| 120 | Handle(TDocStd_Document)::DownCast(theDoc); |
| 121 | if (aDoc.IsNull()) { |
| 122 | #ifdef OCCT_DEBUG |
| 123 | WriteMessage (aMethStr + "error: null document"); |
| 124 | #endif |
| 125 | myReaderStatus = PCDM_RS_NoDocument; |
| 126 | return; |
| 127 | } |
| 128 | |
| 129 | // 1. the information section |
| 130 | Handle(Storage_HeaderData) aHeaderData; |
| 131 | |
| 132 | if (!theStorageData.IsNull()) |
| 133 | { |
| 134 | aHeaderData = theStorageData->HeaderData(); |
| 135 | } |
| 136 | |
| 137 | if (!aHeaderData.IsNull()) |
| 138 | { |
| 139 | for (Standard_Integer i = 1; i <= aHeaderData->UserInfo().Length(); i++) |
| 140 | { |
| 141 | const TCollection_AsciiString& aLine = aHeaderData->UserInfo().Value(i); |
| 142 | |
| 143 | if(aLine.Search(REFERENCE_COUNTER) != -1) |
| 144 | { |
| 145 | theDoc->SetReferenceCounter (aLine.Token(" ", 2).IntegerValue()); |
| 146 | } |
| 147 | else if(aLine.Search(MODIFICATION_COUNTER) != -1) |
| 148 | { |
| 149 | theDoc->SetModifications (aLine.Token(" ", 2).IntegerValue()); |
| 150 | } |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | // 1.a Version of writer |
| 155 | if (!aHeaderData->StorageVersion().IsIntegerValue()) { |
| 156 | // file has no format version |
| 157 | WriteMessage (aMethStr + "error: file has no format version"); |
| 158 | myReaderStatus = PCDM_RS_FormatFailure; |
| 159 | return; |
| 160 | } |
| 161 | Standard_Integer aFileVer = aHeaderData->StorageVersion().IntegerValue(); |
| 162 | Standard_Integer aCurrVer = BinLDrivers::StorageVersion().IntegerValue(); |
| 163 | // maintain one-way compatibility starting from version 2+ |
| 164 | if (!CheckDocumentVersion(aFileVer, aCurrVer)) { |
| 165 | myReaderStatus = PCDM_RS_NoVersion; |
| 166 | // file was written with another version |
| 167 | WriteMessage (aMethStr + "error: wrong file version: " + |
| 168 | aHeaderData->StorageVersion() + " while current is " + |
| 169 | BinLDrivers::StorageVersion()); |
| 170 | return; |
| 171 | } |
| 172 | |
| 173 | // 1.b Retrieve the Types table |
| 174 | TColStd_SequenceOfAsciiString aTypeNames; //Sequence of types in file |
| 175 | const TColStd_SequenceOfAsciiString& aUserInfo = aHeaderData->UserInfo(); |
| 176 | Standard_Boolean begin = Standard_False; |
| 177 | Standard_Integer i; |
| 178 | for (i=1; i <= aUserInfo.Length(); i++) { |
| 179 | //const TCollection_AsciiString& aStr = aUserInfo(i); |
| 180 | TCollection_AsciiString aStr = aUserInfo(i); |
| 181 | if (aStr == START_TYPES) |
| 182 | begin = Standard_True; |
| 183 | else if (aStr == END_TYPES) |
| 184 | break; |
| 185 | else if (begin) { |
| 186 | if ( aFileVer < 8 ) { |
| 187 | #ifdef DATATYPE_MIGRATION |
| 188 | TCollection_AsciiString newName; |
| 189 | if(Storage_Schema::CheckTypeMigration(aStr, newName)) { |
| 190 | #ifdef OCCT_DEBUG |
| 191 | cout << "CheckTypeMigration:OldType = " <<aStr << " Len = "<<aStr.Length()<<endl; |
| 192 | cout << "CheckTypeMigration:NewType = " <<newName << " Len = "<< newName.Length()<<endl; |
| 193 | #endif |
| 194 | aStr = newName; |
| 195 | } |
| 196 | #endif |
| 197 | } |
| 198 | aTypeNames.Append (aStr); |
| 199 | } |
| 200 | } |
| 201 | if (myDrivers.IsNull()) |
| 202 | myDrivers = AttributeDrivers (myMsgDriver); |
| 203 | myDrivers->AssignIds (aTypeNames); |
| 204 | |
| 205 | // recognize types not supported by drivers |
| 206 | myMapUnsupported.Clear(); |
| 207 | for (i=1; i <= aTypeNames.Length(); i++) |
| 208 | if (myDrivers->GetDriver(i).IsNull()) |
| 209 | myMapUnsupported.Add(i); |
| 210 | if (!myMapUnsupported.IsEmpty()) { |
| 211 | WriteMessage (aMethStr + "warning: " |
| 212 | "the following attributes have no driver:"); |
| 213 | for (i=1; i <= aTypeNames.Length(); i++) |
| 214 | if (myMapUnsupported.Contains(i)) |
| 215 | WriteMessage (aTypeNames(i)); |
| 216 | } |
| 217 | |
| 218 | // propagate the opened document version to data drivers |
| 219 | PropagateDocumentVersion(aFileVer); |
| 220 | |
| 221 | // 2. Read document contents |
| 222 | |
| 223 | // 2a. Retrieve data from the stream: |
| 224 | myRelocTable.Clear(); |
| 225 | mySections.Clear(); |
| 226 | myPAtt.Init(); |
| 227 | Handle(TDF_Data) aData = new TDF_Data(); |
| 228 | streampos aDocumentPos = -1; |
| 229 | |
| 230 | // 2b. Read the TOC of Sections |
| 231 | if (aFileVer >= 3) { |
| 232 | BinLDrivers_DocumentSection aSection; |
| 233 | do { |
| 234 | BinLDrivers_DocumentSection::ReadTOC (aSection, theIStream); |
| 235 | mySections.Append(aSection); |
| 236 | } while(!aSection.Name().IsEqual((Standard_CString)SHAPESECTION_POS) && !theIStream.eof()); |
| 237 | |
| 238 | if (theIStream.eof()) { |
| 239 | // There is no shape section in the file. |
| 240 | WriteMessage (aMethStr + "error: shape section is not found"); |
| 241 | myReaderStatus = PCDM_RS_ReaderException; |
| 242 | return; |
| 243 | } |
| 244 | |
| 245 | aDocumentPos = theIStream.tellg(); // position of root label |
| 246 | |
| 247 | BinLDrivers_VectorOfDocumentSection::Iterator anIterS (mySections); |
| 248 | for (; anIterS.More(); anIterS.Next()) { |
| 249 | BinLDrivers_DocumentSection& aCurSection = anIterS.ChangeValue(); |
| 250 | if (aCurSection.IsPostRead() == Standard_False) { |
| 251 | theIStream.seekg ((streampos) aCurSection.Offset()); |
| 252 | if (aCurSection.Name().IsEqual ((Standard_CString)SHAPESECTION_POS)) |
| 253 | ReadShapeSection (aCurSection, theIStream); |
| 254 | else |
| 255 | ReadSection (aCurSection, theDoc, theIStream); |
| 256 | } |
| 257 | } |
| 258 | } else { //aFileVer < 3 |
| 259 | aDocumentPos = theIStream.tellg(); // position of root label |
| 260 | |
| 261 | // retrieve SHAPESECTION_POS string |
| 262 | char aShapeSecLabel[SIZEOFSHAPELABEL + 1]; |
| 263 | aShapeSecLabel[SIZEOFSHAPELABEL] = 0x00; |
| 264 | theIStream.read ((char*)&aShapeSecLabel, SIZEOFSHAPELABEL);// SHAPESECTION_POS |
| 265 | TCollection_AsciiString aShapeLabel(aShapeSecLabel); |
| 266 | // detect if a file was written in old fashion (version 2 without shapes) |
| 267 | // and if so then skip reading ShapeSection |
| 268 | if (aShapeLabel.Length() > 0) { |
| 269 | // version 2+(with shapes) and higher goes here |
| 270 | if(aShapeLabel.Length() <= 0 || aShapeLabel != SHAPESECTION_POS) { |
| 271 | WriteMessage (aMethStr + "error: Format failure"); |
| 272 | myReaderStatus = PCDM_RS_FormatFailure; |
| 273 | return; |
| 274 | } |
| 275 | |
| 276 | // retrieve ShapeSection Position |
| 277 | Standard_Integer aShapeSectionPos; // go to ShapeSection |
| 278 | theIStream.read ((char*)&aShapeSectionPos, sizeof(Standard_Integer)); |
| 279 | |
| 280 | #if DO_INVERSE |
| 281 | aShapeSectionPos = InverseInt (aShapeSectionPos); |
| 282 | #endif |
| 283 | #ifdef OCCT_DEBUG |
| 284 | cout <<"aShapeSectionPos = " <<aShapeSectionPos <<endl; |
| 285 | #endif |
| 286 | if(aShapeSectionPos) { |
| 287 | aDocumentPos = theIStream.tellg(); |
| 288 | theIStream.seekg((streampos) aShapeSectionPos); |
| 289 | |
| 290 | CheckShapeSection(aShapeSectionPos, theIStream); |
| 291 | // Read Shapes |
| 292 | BinLDrivers_DocumentSection aCurSection; |
| 293 | ReadShapeSection (aCurSection, theIStream, Standard_False); |
| 294 | } |
| 295 | } |
| 296 | } // end of reading Sections or shape section |
| 297 | |
| 298 | // Return to read of the Document structure |
| 299 | theIStream.seekg(aDocumentPos); |
| 300 | |
| 301 | // read the header (tag) of the root label |
| 302 | Standard_Integer aTag; |
| 303 | theIStream.read ((char*)&aTag, sizeof(Standard_Integer)); |
| 304 | |
| 305 | // read sub-tree of the root label |
| 306 | Standard_Integer nbRead = ReadSubTree (theIStream, aData->Root()); |
| 307 | Clear(); |
| 308 | |
| 309 | if (nbRead > 0) { |
| 310 | // attach data to the document |
| 311 | aDoc->SetData (aData); |
| 312 | TDocStd_Owner::SetDocument (aData, aDoc); |
| 313 | aDoc->SetComments(aHeaderData->Comments()); |
| 314 | myReaderStatus = PCDM_RS_OK; |
| 315 | } |
| 316 | |
| 317 | // Read Sections (post-reading type) |
| 318 | if (aFileVer >= 3) { |
| 319 | BinLDrivers_VectorOfDocumentSection::Iterator aSectIter (mySections); |
| 320 | for (; aSectIter.More(); aSectIter.Next()) { |
| 321 | BinLDrivers_DocumentSection& aCurSection = aSectIter.ChangeValue(); |
| 322 | if (aCurSection.IsPostRead()) { |
| 323 | theIStream.seekg ((streampos) aCurSection.Offset()); |
| 324 | ReadSection (aCurSection, theDoc, theIStream); |
| 325 | } |
| 326 | } |
| 327 | } |
| 328 | } |
| 329 | |
| 330 | //======================================================================= |
| 331 | //function : ReadSubTree |
| 332 | //purpose : |
| 333 | //======================================================================= |
| 334 | |
| 335 | Standard_Integer BinLDrivers_DocumentRetrievalDriver::ReadSubTree |
| 336 | (Standard_IStream& theIS, |
| 337 | const TDF_Label& theLabel) |
| 338 | { |
| 339 | Standard_Integer nbRead = 0; |
| 340 | static TCollection_ExtendedString aMethStr |
| 341 | ("BinLDrivers_DocumentRetrievalDriver: "); |
| 342 | |
| 343 | // Read attributes: |
| 344 | theIS >> myPAtt; |
| 345 | while (theIS && myPAtt.TypeId() > 0 && // not an end marker ? |
| 346 | myPAtt.Id() > 0 && // not a garbage ? |
| 347 | !theIS.eof()) { |
| 348 | // get a driver according to TypeId |
| 349 | Handle(BinMDF_ADriver) aDriver = myDrivers->GetDriver (myPAtt.TypeId()); |
| 350 | if (!aDriver.IsNull()) { |
| 351 | // create transient attribute |
| 352 | nbRead++; |
| 353 | Standard_Integer anID = myPAtt.Id(); |
| 354 | Handle(TDF_Attribute) tAtt; |
| 355 | Standard_Boolean isBound = myRelocTable.IsBound(anID); |
| 356 | if (isBound) |
| 357 | tAtt = Handle(TDF_Attribute)::DownCast(myRelocTable.Find(anID)); |
| 358 | else |
| 359 | tAtt = aDriver->NewEmpty(); |
| 360 | if (tAtt->Label().IsNull()) |
| 361 | theLabel.AddAttribute (tAtt); |
| 362 | else |
| 363 | WriteMessage (aMethStr + |
| 364 | "warning: attempt to attach attribute " + |
| 365 | aDriver->TypeName() + " to a second label"); |
| 366 | |
| 367 | Standard_Boolean ok = aDriver->Paste (myPAtt, tAtt, myRelocTable); |
| 368 | if (!ok) { |
| 369 | // error converting persistent to transient |
| 370 | WriteMessage (aMethStr + "warning: failure reading attribute " + |
| 371 | aDriver->TypeName()); |
| 372 | } |
| 373 | else if (!isBound) |
| 374 | myRelocTable.Bind (anID, tAtt); |
| 375 | } |
| 376 | else if (!myMapUnsupported.Contains(myPAtt.TypeId())) |
| 377 | WriteMessage (aMethStr + "warning: type ID not registered in header: " |
| 378 | + myPAtt.TypeId()); |
| 379 | |
| 380 | // read next attribute |
| 381 | theIS >> myPAtt; |
| 382 | } |
| 383 | if (!theIS || myPAtt.TypeId() != BinLDrivers_ENDATTRLIST) { |
| 384 | // unexpected EOF or garbage data |
| 385 | WriteMessage (aMethStr + "error: unexpected EOF or garbage data"); |
| 386 | myReaderStatus = PCDM_RS_UnrecognizedFileFormat; |
| 387 | return -1; |
| 388 | } |
| 389 | |
| 390 | // Read children: |
| 391 | // read the tag of a child label |
| 392 | Standard_Integer aTag = BinLDrivers_ENDLABEL; |
| 393 | theIS.read ((char*) &aTag, sizeof(Standard_Integer)); |
| 394 | #if DO_INVERSE |
| 395 | aTag = InverseInt (aTag); |
| 396 | #endif |
| 397 | while (theIS && aTag >= 0 && !theIS.eof()) { // not an end marker ? |
| 398 | // create sub-label |
| 399 | TDF_Label aLab = theLabel.FindChild (aTag, Standard_True); |
| 400 | |
| 401 | // read sub-tree |
| 402 | Standard_Integer nbSubRead = ReadSubTree(theIS, aLab); |
| 403 | // check for error |
| 404 | if (nbSubRead == -1) |
| 405 | return -1; |
| 406 | nbRead += nbSubRead; |
| 407 | |
| 408 | // read the tag of the next child |
| 409 | theIS.read ((char*) &aTag, sizeof(Standard_Integer)); |
| 410 | #if DO_INVERSE |
| 411 | aTag = InverseInt (aTag); |
| 412 | #endif |
| 413 | } |
| 414 | if (aTag != BinLDrivers_ENDLABEL) { |
| 415 | // invalid end label marker |
| 416 | WriteMessage (aMethStr + "error: invalid end label marker"); |
| 417 | myReaderStatus = PCDM_RS_UnrecognizedFileFormat; |
| 418 | return -1; |
| 419 | } |
| 420 | |
| 421 | return nbRead; |
| 422 | } |
| 423 | |
| 424 | //======================================================================= |
| 425 | //function : AttributeDrivers |
| 426 | //purpose : |
| 427 | //======================================================================= |
| 428 | |
| 429 | Handle(BinMDF_ADriverTable) BinLDrivers_DocumentRetrievalDriver::AttributeDrivers |
| 430 | (const Handle(CDM_MessageDriver)& theMessageDriver) |
| 431 | { |
| 432 | return BinLDrivers::AttributeDrivers (theMessageDriver); |
| 433 | } |
| 434 | |
| 435 | |
| 436 | //======================================================================= |
| 437 | //function : WriteMessage |
| 438 | //purpose : write theMessage to the MessageDriver of |
| 439 | // theApplication |
| 440 | //======================================================================= |
| 441 | |
| 442 | void BinLDrivers_DocumentRetrievalDriver::WriteMessage |
| 443 | (const TCollection_ExtendedString& theMsg) |
| 444 | { |
| 445 | if (!myMsgDriver.IsNull()) |
| 446 | myMsgDriver->Write (theMsg.ToExtString()); |
| 447 | } |
| 448 | |
| 449 | //======================================================================= |
| 450 | //function : ReadSection |
| 451 | //purpose : |
| 452 | //======================================================================= |
| 453 | |
| 454 | void BinLDrivers_DocumentRetrievalDriver::ReadSection |
| 455 | (BinLDrivers_DocumentSection& /*theSection*/, |
| 456 | const Handle(CDM_Document)& /*theDocument*/, |
| 457 | Standard_IStream& /*theIS*/) |
| 458 | { |
| 459 | // empty; should be redefined in subclasses |
| 460 | } |
| 461 | |
| 462 | //======================================================================= |
| 463 | //function : ReadShapeSection |
| 464 | //purpose : |
| 465 | //======================================================================= |
| 466 | |
| 467 | void BinLDrivers_DocumentRetrievalDriver::ReadShapeSection |
| 468 | (BinLDrivers_DocumentSection& theSection, |
| 469 | Standard_IStream& /*theIS*/, |
| 470 | const Standard_Boolean isMess) |
| 471 | |
| 472 | { |
| 473 | if(isMess && theSection.Length()) { |
| 474 | const TCollection_ExtendedString aMethStr ("BinLDrivers_DocumentRetrievalDriver: "); |
| 475 | WriteMessage (aMethStr + "warning: Geometry is not supported by Lite schema. "); |
| 476 | } |
| 477 | } |
| 478 | |
| 479 | //======================================================================= |
| 480 | //function : CheckShapeSection |
| 481 | //purpose : |
| 482 | //======================================================================= |
| 483 | void BinLDrivers_DocumentRetrievalDriver::CheckShapeSection( |
| 484 | const Storage_Position& ShapeSectionPos, |
| 485 | Standard_IStream& IS) |
| 486 | { |
| 487 | if (!IS.eof()) |
| 488 | { |
| 489 | const std::streamoff endPos = IS.rdbuf()->pubseekoff(0L, std::ios_base::end, std::ios_base::in); |
| 490 | #ifdef OCCT_DEBUG |
| 491 | cout << "endPos = " << endPos <<endl; |
| 492 | #endif |
| 493 | if(ShapeSectionPos != endPos) { |
| 494 | const TCollection_ExtendedString aMethStr ("BinLDrivers_DocumentRetrievalDriver: "); |
| 495 | WriteMessage (aMethStr + "warning: Geometry is not supported by Lite schema. "); |
| 496 | } |
| 497 | } |
| 498 | } |
| 499 | |
| 500 | //======================================================================= |
| 501 | //function : Clear |
| 502 | //purpose : |
| 503 | //======================================================================= |
| 504 | void BinLDrivers_DocumentRetrievalDriver::Clear() |
| 505 | { |
| 506 | myPAtt.Destroy(); // free buffer |
| 507 | myRelocTable.Clear(); |
| 508 | myMapUnsupported.Clear(); |
| 509 | } |
| 510 | |
| 511 | //======================================================================= |
| 512 | //function : PropagateDocumentVersion |
| 513 | //purpose : |
| 514 | //======================================================================= |
| 515 | void BinLDrivers_DocumentRetrievalDriver::PropagateDocumentVersion(const Standard_Integer theDocVersion ) |
| 516 | { |
| 517 | BinMDataStd::SetDocumentVersion(theDocVersion); |
| 518 | } |
| 519 | |
| 520 | //======================================================================= |
| 521 | //function : CheckDocumentVersion |
| 522 | //purpose : |
| 523 | //======================================================================= |
| 524 | Standard_Boolean BinLDrivers_DocumentRetrievalDriver::CheckDocumentVersion( |
| 525 | const Standard_Integer theFileVersion, |
| 526 | const Standard_Integer theCurVersion) |
| 527 | { |
| 528 | if (theFileVersion < 2 || theFileVersion > theCurVersion) { |
| 529 | // file was written with another version |
| 530 | return Standard_False; |
| 531 | } |
| 532 | return Standard_True; |
| 533 | } |
| 534 | |