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1 | // Created on: 2002-10-31 |
2 | // Created by: Michael SAZONOV |
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3 | // Copyright (c) 2002-2014 OPEN CASCADE SAS |
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4 | // |
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5 | // This file is part of Open CASCADE Technology software library. |
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6 | // |
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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 |
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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. |
b311480e |
12 | // |
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13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
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15 | |
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16 | |
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17 | #include <BinLDrivers.hxx> |
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18 | #include <BinLDrivers_DocumentRetrievalDriver.hxx> |
19 | #include <BinLDrivers_DocumentSection.hxx> |
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20 | #include <BinLDrivers_Marker.hxx> |
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21 | #include <BinMDataStd.hxx> |
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22 | #include <BinMDF_ADriver.hxx> |
23 | #include <BinMDF_ADriverTable.hxx> |
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24 | #include <BinObjMgt_Persistent.hxx> |
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25 | #include <CDM_Application.hxx> |
26 | #include <CDM_Document.hxx> |
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27 | #include <Message_Messenger.hxx> |
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28 | #include <FSD_BinaryFile.hxx> |
29 | #include <FSD_FileHeader.hxx> |
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30 | #include <OSD_OpenFile.hxx> |
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31 | #include <PCDM_Document.hxx> |
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32 | #include <PCDM_ReadWriter.hxx> |
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33 | #include <Standard_ErrorHandler.hxx> |
34 | #include <Standard_Stream.hxx> |
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35 | #include <Standard_Type.hxx> |
36 | #include <Storage_HeaderData.hxx> |
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37 | #include <Storage_Schema.hxx> |
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38 | #include <TCollection_AsciiString.hxx> |
39 | #include <TCollection_ExtendedString.hxx> |
40 | #include <TDF_Attribute.hxx> |
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41 | #include <TDF_Data.hxx> |
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42 | #include <TDF_Label.hxx> |
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43 | #include <TDocStd_Document.hxx> |
44 | #include <TDocStd_Owner.hxx> |
45 | |
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46 | IMPLEMENT_STANDARD_RTTIEXT(BinLDrivers_DocumentRetrievalDriver,PCDM_RetrievalDriver) |
47 | |
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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 | |
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73 | //======================================================================= |
74 | //function : Read |
75 | //purpose : |
76 | //======================================================================= |
7fd59977 |
77 | void BinLDrivers_DocumentRetrievalDriver::Read |
78 | (const TCollection_ExtendedString& theFileName, |
79 | const Handle(CDM_Document)& theNewDocument, |
80 | const Handle(CDM_Application)& theApplication) |
4ff92abe |
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) |
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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 = |
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120 | Handle(TDocStd_Document)::DownCast(theDoc); |
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121 | if (aDoc.IsNull()) { |
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122 | #ifdef OCCT_DEBUG |
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123 | myMsgDriver->Send (aMethStr + "error: null document", Message_Fail); |
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124 | #endif |
125 | myReaderStatus = PCDM_RS_NoDocument; |
126 | return; |
127 | } |
128 | |
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129 | // 1. the information section |
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130 | Handle(Storage_HeaderData) aHeaderData; |
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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 | } |
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152 | } |
153 | |
154 | // 1.a Version of writer |
155 | if (!aHeaderData->StorageVersion().IsIntegerValue()) { |
156 | // file has no format version |
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157 | myMsgDriver->Send (aMethStr + "error: file has no format version", Message_Fail); |
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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+ |
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164 | if (!CheckDocumentVersion(aFileVer, aCurrVer)) { |
165 | myReaderStatus = PCDM_RS_NoVersion; |
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166 | // file was written with another version |
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167 | myMsgDriver->Send (aMethStr + "error: wrong file version: " + |
168 | aHeaderData->StorageVersion() + " while current is " + |
169 | BinLDrivers::StorageVersion(), Message_Fail); |
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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) { |
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186 | if ( aFileVer < 8 ) { |
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187 | #ifdef DATATYPE_MIGRATION |
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188 | TCollection_AsciiString newName; |
189 | if(Storage_Schema::CheckTypeMigration(aStr, newName)) { |
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190 | #ifdef OCCT_DEBUG |
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191 | std::cout << "CheckTypeMigration:OldType = " <<aStr << " Len = "<<aStr.Length()<<std::endl; |
192 | std::cout << "CheckTypeMigration:NewType = " <<newName << " Len = "<< newName.Length()<<std::endl; |
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193 | #endif |
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194 | aStr = newName; |
195 | } |
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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()) { |
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211 | myMsgDriver->Send (aMethStr + "warning: " |
212 | "the following attributes have no driver:", Message_Warning); |
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213 | for (i=1; i <= aTypeNames.Length(); i++) |
214 | if (myMapUnsupported.Contains(i)) |
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215 | myMsgDriver->Send (aTypeNames(i), Message_Warning); |
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216 | } |
217 | |
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218 | // 2. Read document contents |
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219 | // 2a. Retrieve data from the stream: |
220 | myRelocTable.Clear(); |
fe21f796 |
221 | myRelocTable.SetHeaderData(aHeaderData); |
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222 | mySections.Clear(); |
223 | myPAtt.Init(); |
224 | Handle(TDF_Data) aData = new TDF_Data(); |
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225 | std::streampos aDocumentPos = -1; |
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226 | |
227 | // 2b. Read the TOC of Sections |
228 | if (aFileVer >= 3) { |
229 | BinLDrivers_DocumentSection aSection; |
230 | do { |
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231 | BinLDrivers_DocumentSection::ReadTOC (aSection, theIStream, aFileVer); |
7fd59977 |
232 | mySections.Append(aSection); |
5ecc46c0 |
233 | } while(!aSection.Name().IsEqual((Standard_CString)SHAPESECTION_POS) && !theIStream.eof()); |
234 | |
235 | if (theIStream.eof()) { |
236 | // There is no shape section in the file. |
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237 | myMsgDriver->Send (aMethStr + "error: shape section is not found", Message_Fail); |
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238 | myReaderStatus = PCDM_RS_ReaderException; |
239 | return; |
240 | } |
241 | |
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242 | aDocumentPos = theIStream.tellg(); // position of root label |
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243 | |
244 | BinLDrivers_VectorOfDocumentSection::Iterator anIterS (mySections); |
245 | for (; anIterS.More(); anIterS.Next()) { |
246 | BinLDrivers_DocumentSection& aCurSection = anIterS.ChangeValue(); |
247 | if (aCurSection.IsPostRead() == Standard_False) { |
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248 | theIStream.seekg ((std::streampos) aCurSection.Offset()); |
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249 | if (aCurSection.Name().IsEqual ((Standard_CString)SHAPESECTION_POS)) |
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250 | ReadShapeSection (aCurSection, theIStream); |
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251 | else |
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252 | ReadSection (aCurSection, theDoc, theIStream); |
7fd59977 |
253 | } |
254 | } |
255 | } else { //aFileVer < 3 |
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256 | aDocumentPos = theIStream.tellg(); // position of root label |
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257 | |
258 | // retrieve SHAPESECTION_POS string |
259 | char aShapeSecLabel[SIZEOFSHAPELABEL + 1]; |
260 | aShapeSecLabel[SIZEOFSHAPELABEL] = 0x00; |
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261 | theIStream.read ((char*)&aShapeSecLabel, SIZEOFSHAPELABEL);// SHAPESECTION_POS |
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262 | TCollection_AsciiString aShapeLabel(aShapeSecLabel); |
263 | // detect if a file was written in old fashion (version 2 without shapes) |
264 | // and if so then skip reading ShapeSection |
265 | if (aShapeLabel.Length() > 0) { |
266 | // version 2+(with shapes) and higher goes here |
267 | if(aShapeLabel.Length() <= 0 || aShapeLabel != SHAPESECTION_POS) { |
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268 | myMsgDriver->Send (aMethStr + "error: Format failure", Message_Fail); |
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269 | myReaderStatus = PCDM_RS_FormatFailure; |
270 | return; |
271 | } |
272 | |
273 | // retrieve ShapeSection Position |
274 | Standard_Integer aShapeSectionPos; // go to ShapeSection |
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275 | theIStream.read ((char*)&aShapeSectionPos, sizeof(Standard_Integer)); |
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276 | |
277 | #if DO_INVERSE |
278 | aShapeSectionPos = InverseInt (aShapeSectionPos); |
279 | #endif |
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280 | #ifdef OCCT_DEBUG |
04232180 |
281 | std::cout <<"aShapeSectionPos = " <<aShapeSectionPos <<std::endl; |
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282 | #endif |
283 | if(aShapeSectionPos) { |
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284 | aDocumentPos = theIStream.tellg(); |
04232180 |
285 | theIStream.seekg((std::streampos) aShapeSectionPos); |
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286 | |
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287 | CheckShapeSection(aShapeSectionPos, theIStream); |
288 | // Read Shapes |
289 | BinLDrivers_DocumentSection aCurSection; |
290 | ReadShapeSection (aCurSection, theIStream, Standard_False); |
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291 | } |
292 | } |
293 | } // end of reading Sections or shape section |
294 | |
295 | // Return to read of the Document structure |
4ff92abe |
296 | theIStream.seekg(aDocumentPos); |
7fd59977 |
297 | |
298 | // read the header (tag) of the root label |
299 | Standard_Integer aTag; |
4ff92abe |
300 | theIStream.read ((char*)&aTag, sizeof(Standard_Integer)); |
7fd59977 |
301 | |
302 | // read sub-tree of the root label |
4ff92abe |
303 | Standard_Integer nbRead = ReadSubTree (theIStream, aData->Root()); |
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304 | Clear(); |
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305 | |
306 | if (nbRead > 0) { |
307 | // attach data to the document |
308 | aDoc->SetData (aData); |
309 | TDocStd_Owner::SetDocument (aData, aDoc); |
310 | aDoc->SetComments(aHeaderData->Comments()); |
311 | myReaderStatus = PCDM_RS_OK; |
312 | } |
313 | |
314 | // Read Sections (post-reading type) |
315 | if (aFileVer >= 3) { |
4ff92abe |
316 | BinLDrivers_VectorOfDocumentSection::Iterator aSectIter (mySections); |
317 | for (; aSectIter.More(); aSectIter.Next()) { |
318 | BinLDrivers_DocumentSection& aCurSection = aSectIter.ChangeValue(); |
7fd59977 |
319 | if (aCurSection.IsPostRead()) { |
04232180 |
320 | theIStream.seekg ((std::streampos) aCurSection.Offset()); |
83ae3591 |
321 | ReadSection (aCurSection, theDoc, theIStream); |
7fd59977 |
322 | } |
323 | } |
324 | } |
325 | } |
326 | |
327 | //======================================================================= |
328 | //function : ReadSubTree |
329 | //purpose : |
330 | //======================================================================= |
331 | |
332 | Standard_Integer BinLDrivers_DocumentRetrievalDriver::ReadSubTree |
333 | (Standard_IStream& theIS, |
334 | const TDF_Label& theLabel) |
335 | { |
336 | Standard_Integer nbRead = 0; |
b34d86cb |
337 | TCollection_ExtendedString aMethStr |
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338 | ("BinLDrivers_DocumentRetrievalDriver: "); |
339 | |
340 | // Read attributes: |
341 | theIS >> myPAtt; |
342 | while (theIS && myPAtt.TypeId() > 0 && // not an end marker ? |
5ecc46c0 |
343 | myPAtt.Id() > 0 && // not a garbage ? |
344 | !theIS.eof()) { |
7fd59977 |
345 | // get a driver according to TypeId |
346 | Handle(BinMDF_ADriver) aDriver = myDrivers->GetDriver (myPAtt.TypeId()); |
347 | if (!aDriver.IsNull()) { |
348 | // create transient attribute |
349 | nbRead++; |
350 | Standard_Integer anID = myPAtt.Id(); |
351 | Handle(TDF_Attribute) tAtt; |
352 | Standard_Boolean isBound = myRelocTable.IsBound(anID); |
353 | if (isBound) |
354 | tAtt = Handle(TDF_Attribute)::DownCast(myRelocTable.Find(anID)); |
355 | else |
356 | tAtt = aDriver->NewEmpty(); |
60fddce4 |
357 | |
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358 | if (tAtt->Label().IsNull()) |
60fddce4 |
359 | { |
360 | try |
361 | { |
362 | theLabel.AddAttribute (tAtt); |
363 | } |
364 | catch (const Standard_DomainError&) |
365 | { |
366 | // For attributes that can have arbitrary GUID (e.g. TDataStd_Integer), exception |
367 | // will be raised in valid case if attribute of that type with default GUID is already |
368 | // present on the same label; the reason is that actual GUID will be read later. |
369 | // To avoid this, set invalid (null) GUID to the newly added attribute (see #29669) |
370 | static const Standard_GUID fbidGuid; |
371 | tAtt->SetID (fbidGuid); |
372 | theLabel.AddAttribute (tAtt); |
373 | } |
374 | } |
7fd59977 |
375 | else |
83ae3591 |
376 | myMsgDriver->Send (aMethStr + |
377 | "warning: attempt to attach attribute " + |
378 | aDriver->TypeName() + " to a second label", Message_Warning); |
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379 | |
380 | Standard_Boolean ok = aDriver->Paste (myPAtt, tAtt, myRelocTable); |
381 | if (!ok) { |
382 | // error converting persistent to transient |
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383 | myMsgDriver->Send (aMethStr + "warning: failure reading attribute " + |
384 | aDriver->TypeName(), Message_Warning); |
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385 | } |
386 | else if (!isBound) |
387 | myRelocTable.Bind (anID, tAtt); |
388 | } |
389 | else if (!myMapUnsupported.Contains(myPAtt.TypeId())) |
83ae3591 |
390 | myMsgDriver->Send (aMethStr + "warning: type ID not registered in header: " |
391 | + myPAtt.TypeId(), Message_Warning); |
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392 | |
393 | // read next attribute |
394 | theIS >> myPAtt; |
395 | } |
396 | if (!theIS || myPAtt.TypeId() != BinLDrivers_ENDATTRLIST) { |
397 | // unexpected EOF or garbage data |
83ae3591 |
398 | myMsgDriver->Send (aMethStr + "error: unexpected EOF or garbage data", Message_Fail); |
7fd59977 |
399 | myReaderStatus = PCDM_RS_UnrecognizedFileFormat; |
400 | return -1; |
401 | } |
402 | |
403 | // Read children: |
404 | // read the tag of a child label |
405 | Standard_Integer aTag = BinLDrivers_ENDLABEL; |
406 | theIS.read ((char*) &aTag, sizeof(Standard_Integer)); |
407 | #if DO_INVERSE |
408 | aTag = InverseInt (aTag); |
409 | #endif |
5ecc46c0 |
410 | while (theIS && aTag >= 0 && !theIS.eof()) { // not an end marker ? |
7fd59977 |
411 | // create sub-label |
412 | TDF_Label aLab = theLabel.FindChild (aTag, Standard_True); |
413 | |
414 | // read sub-tree |
415 | Standard_Integer nbSubRead = ReadSubTree(theIS, aLab); |
416 | // check for error |
417 | if (nbSubRead == -1) |
418 | return -1; |
419 | nbRead += nbSubRead; |
420 | |
421 | // read the tag of the next child |
422 | theIS.read ((char*) &aTag, sizeof(Standard_Integer)); |
423 | #if DO_INVERSE |
424 | aTag = InverseInt (aTag); |
425 | #endif |
426 | } |
427 | if (aTag != BinLDrivers_ENDLABEL) { |
428 | // invalid end label marker |
83ae3591 |
429 | myMsgDriver->Send (aMethStr + "error: invalid end label marker", Message_Fail); |
7fd59977 |
430 | myReaderStatus = PCDM_RS_UnrecognizedFileFormat; |
431 | return -1; |
432 | } |
433 | |
434 | return nbRead; |
435 | } |
436 | |
437 | //======================================================================= |
438 | //function : AttributeDrivers |
439 | //purpose : |
440 | //======================================================================= |
441 | |
442 | Handle(BinMDF_ADriverTable) BinLDrivers_DocumentRetrievalDriver::AttributeDrivers |
83ae3591 |
443 | (const Handle(Message_Messenger)& theMessageDriver) |
7fd59977 |
444 | { |
445 | return BinLDrivers::AttributeDrivers (theMessageDriver); |
446 | } |
447 | |
7fd59977 |
448 | //======================================================================= |
449 | //function : ReadSection |
450 | //purpose : |
451 | //======================================================================= |
452 | |
453 | void BinLDrivers_DocumentRetrievalDriver::ReadSection |
454 | (BinLDrivers_DocumentSection& /*theSection*/, |
455 | const Handle(CDM_Document)& /*theDocument*/, |
456 | Standard_IStream& /*theIS*/) |
457 | { |
458 | // empty; should be redefined in subclasses |
459 | } |
460 | |
461 | //======================================================================= |
462 | //function : ReadShapeSection |
463 | //purpose : |
464 | //======================================================================= |
465 | |
466 | void BinLDrivers_DocumentRetrievalDriver::ReadShapeSection |
467 | (BinLDrivers_DocumentSection& theSection, |
83ae3591 |
468 | Standard_IStream& /*theIS*/, |
469 | const Standard_Boolean isMess) |
7fd59977 |
470 | |
471 | { |
472 | if(isMess && theSection.Length()) { |
473 | const TCollection_ExtendedString aMethStr ("BinLDrivers_DocumentRetrievalDriver: "); |
83ae3591 |
474 | myMsgDriver->Send (aMethStr + "warning: Geometry is not supported by Lite schema. ", Message_Warning); |
7fd59977 |
475 | } |
476 | } |
477 | |
478 | //======================================================================= |
479 | //function : CheckShapeSection |
480 | //purpose : |
481 | //======================================================================= |
482 | void BinLDrivers_DocumentRetrievalDriver::CheckShapeSection( |
83ae3591 |
483 | const Storage_Position& ShapeSectionPos, |
484 | Standard_IStream& IS) |
7fd59977 |
485 | { |
d41f6af3 |
486 | if (!IS.eof()) |
487 | { |
105aae76 |
488 | const std::streamoff endPos = IS.rdbuf()->pubseekoff(0L, std::ios_base::end, std::ios_base::in); |
0797d9d3 |
489 | #ifdef OCCT_DEBUG |
04232180 |
490 | std::cout << "endPos = " << endPos <<std::endl; |
7fd59977 |
491 | #endif |
492 | if(ShapeSectionPos != endPos) { |
493 | const TCollection_ExtendedString aMethStr ("BinLDrivers_DocumentRetrievalDriver: "); |
83ae3591 |
494 | myMsgDriver->Send (aMethStr + "warning: Geometry is not supported by Lite schema. ", Message_Warning); |
7fd59977 |
495 | } |
496 | } |
497 | } |
498 | |
bf954475 |
499 | //======================================================================= |
500 | //function : Clear |
501 | //purpose : |
502 | //======================================================================= |
503 | void BinLDrivers_DocumentRetrievalDriver::Clear() |
504 | { |
505 | myPAtt.Destroy(); // free buffer |
506 | myRelocTable.Clear(); |
507 | myMapUnsupported.Clear(); |
508 | } |
509 | |
d9ff84e8 |
510 | //======================================================================= |
511 | //function : CheckDocumentVersion |
512 | //purpose : |
513 | //======================================================================= |
514 | Standard_Boolean BinLDrivers_DocumentRetrievalDriver::CheckDocumentVersion( |
515 | const Standard_Integer theFileVersion, |
516 | const Standard_Integer theCurVersion) |
517 | { |
518 | if (theFileVersion < 2 || theFileVersion > theCurVersion) { |
519 | // file was written with another version |
520 | return Standard_False; |
521 | } |
522 | return Standard_True; |
523 | } |