src/ModelHighAPI/ModelHighAPI_Dumper.cpp

   1 // Copyright (C) 2016-20xx CEA/DEN, EDF R&D -->
   2
   3 // File:        ModelHighAPI_Dumper.cpp
   4 // Created:     1 August 2016
   5 // Author:      Artem ZHIDKOV
   6
   7 //--------------------------------------------------------------------------------------
   8 #include "ModelHighAPI_Dumper.h"
   9
  10 #include <GeomAPI_Pnt.h>
  11 #include <GeomAPI_Dir.h>
  12
  13 #include <GeomDataAPI_Dir.h>
  14 #include <GeomDataAPI_Point.h>
  15 #include <GeomDataAPI_Point2D.h>
  16
  17 #include <ModelAPI_AttributeBoolean.h>
  18 #include <ModelAPI_AttributeDouble.h>
  19 #include <ModelAPI_AttributeInteger.h>
  20 #include <ModelAPI_AttributeRefAttr.h>
  21 #include <ModelAPI_AttributeRefAttrList.h>
  22 #include <ModelAPI_AttributeReference.h>
  23 #include <ModelAPI_AttributeRefList.h>
  24 #include <ModelAPI_AttributeSelection.h>
  25 #include <ModelAPI_AttributeSelectionList.h>
  26 #include <ModelAPI_AttributeString.h>
  27 #include <ModelAPI_CompositeFeature.h>
  28 #include <ModelAPI_Document.h>
  29 #include <ModelAPI_Entity.h>
  30 #include <ModelAPI_Feature.h>
  31 #include <ModelAPI_Result.h>
  32 #include <ModelAPI_ResultPart.h>
  33
  34 #include <PartSetPlugin_Part.h>
  35
  36 #include <OSD_OpenFile.hxx>
  37
  38 #include <fstream>
  39
  40 #define DUMP_USER_DEFINED_NAMES
  41
  42 static int gCompositeStackDepth = 0;
  43
  44 ModelHighAPI_Dumper* ModelHighAPI_Dumper::mySelf = 0;
  45
  46 ModelHighAPI_Dumper::ModelHighAPI_Dumper()
  47 {
  48   clear();
  49 }
  50
  51 void ModelHighAPI_Dumper::setInstance(ModelHighAPI_Dumper* theDumper)
  52 {
  53   if (mySelf == 0)
  54     mySelf = theDumper;
  55 }
  56
  57 ModelHighAPI_Dumper* ModelHighAPI_Dumper::getInstance()
  58 {
  59   return mySelf;
  60 }
  61
  62 void ModelHighAPI_Dumper::clear(bool bufferOnly)
  63 {
  64   myDumpBuffer = std::ostringstream();
  65   myDumpBuffer << std::setprecision(16);
  66
  67   clearNotDumped();
  68
  69   if (!bufferOnly) {
  70     myFullDump = std::ostringstream();
  71     myFullDump << std::setprecision(16);
  72
  73     myNames.clear();
  74     myModules.clear();
  75     myFeatureCount.clear();
  76     myLastEntityWithName = EntityPtr();
  77   }
  78 }
  79
  80 void ModelHighAPI_Dumper::clearNotDumped()
  81 {
  82   myNotDumpedEntities.clear();
  83 }
  84
  85 const std::string& ModelHighAPI_Dumper::name(const EntityPtr& theEntity)
  86 {
  87   EntityNameMap::const_iterator aFound = myNames.find(theEntity);
  88   if (aFound != myNames.end())
  89     return aFound->second.first;
  90
  91   // entity is not found, store it
  92   std::string aName;
  93   bool isUserDefined = false;
  94   FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theEntity);
  95   if (aFeature) {
  96     isUserDefined = true;
  97     aName = aFeature->name();
  98     const std::string& aKind = aFeature->getKind();
  99     DocumentPtr aDoc = aFeature->document();
 100     int& aNbFeatures = myFeatureCount[aDoc][aKind];
 101
 102     size_t anIndex = aName.find(aKind);
 103     if (anIndex == 0 && aName[aKind.length()] == '_') { // name starts with "FeatureKind_"
 104       std::string anIdStr = aName.substr(aKind.length() + 1, std::string::npos);
 105       int anId = std::stoi(anIdStr);
 106
 107       // Check number of already registered objects of such kind. Index of current object
 108       // should be greater than it to identify feature's name as automatically generated.
 109       if (aNbFeatures < anId) {
 110         isUserDefined = false;
 111         aNbFeatures = anId - 1;
 112       }
 113     }
 114
 115     aNbFeatures += 1;
 116   }
 117
 118   myNames[theEntity] = std::pair<std::string, bool>(aName, isUserDefined);
 119   myNotDumpedEntities.insert(theEntity);
 120   return myNames[theEntity].first;
 121 }
 122
 123 const std::string& ModelHighAPI_Dumper::parentName(const FeaturePtr& theEntity)
 124 {
 125   const std::set<AttributePtr>& aRefs = theEntity->data()->refsToMe();
 126   std::set<AttributePtr>::const_iterator aRefIt = aRefs.begin();
 127   for (; aRefIt != aRefs.end(); ++aRefIt) {
 128     CompositeFeaturePtr anOwner = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(
 129         ModelAPI_Feature::feature((*aRefIt)->owner()));
 130     if (anOwner)
 131       return name(anOwner);
 132   }
 133
 134   static const std::string DUMMY;
 135   return DUMMY;
 136 }
 137
 138 bool ModelHighAPI_Dumper::process(const std::shared_ptr<ModelAPI_Document>& theDoc,
 139                                   const std::string& theFileName)
 140 {
 141   // dump top level document feature
 142   static const std::string aDocName("partSet");
 143   myNames[theDoc] = std::pair<std::string, bool>(aDocName, false);
 144   *this << aDocName << " = model.moduleDocument()" << std::endl;
 145
 146   // dump subfeatures and store result to file
 147   return process(theDoc) && exportTo(theFileName);
 148 }
 149
 150 bool ModelHighAPI_Dumper::process(const std::shared_ptr<ModelAPI_Document>& theDoc)
 151 {
 152   bool isOk = true;
 153   // dump all features
 154   std::list<FeaturePtr> aFeatures = theDoc->allFeatures();
 155   std::list<FeaturePtr>::const_iterator aFeatIt = aFeatures.begin();
 156   for (; aFeatIt != aFeatures.end(); ++aFeatIt) {
 157     CompositeFeaturePtr aCompFeat = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(*aFeatIt);
 158     if (aCompFeat) // iteratively process composite features
 159       isOk = process(aCompFeat) && isOk;
 160     else if (!isDumped(*aFeatIt)) // dump common feature
 161       dumpFeature(*aFeatIt);
 162   }
 163   return isOk;
 164 }
 165
 166 bool ModelHighAPI_Dumper::process(const std::shared_ptr<ModelAPI_CompositeFeature>& theComposite, bool isForce)
 167 {
 168   // increase composite features stack
 169   ++gCompositeStackDepth;
 170   // dump composite itself
 171   if (!isDumped(theComposite) || isForce)
 172     dumpFeature(theComposite, isForce);
 173
 174   // sub-part is processed independently, because it provides separate document
 175   if (theComposite->getKind() == PartSetPlugin_Part::ID()) {
 176     // decrease composite features stack because we run into separate document
 177     --gCompositeStackDepth;
 178
 179     ResultPartPtr aPartResult =
 180         std::dynamic_pointer_cast<ModelAPI_ResultPart>(theComposite->lastResult());
 181     if (!aPartResult)
 182       return false;
 183     DocumentPtr aSubDoc = aPartResult->partDoc();
 184     // set name of document
 185     const std::string& aPartName = myNames[theComposite].first;
 186     std::string aDocName = aPartName + "_doc";
 187     myNames[aSubDoc] = std::pair<std::string, bool>(aDocName, false);
 188
 189     // dump document in a separate line
 190     *this << aDocName << " = " << aPartName << ".document()" << std::endl;
 191     // dump features in the document
 192     return process(aSubDoc);
 193   }
 194
 195   // dump sub-features
 196   bool isOk = processSubs(theComposite);
 197   // decrease composite features stack
 198   --gCompositeStackDepth;
 199
 200   return isOk;
 201 }
 202
 203 bool ModelHighAPI_Dumper::processSubs(const std::shared_ptr<ModelAPI_CompositeFeature>& theComposite,
 204                                       bool theDumpModelDo)
 205 {
 206   bool isOk = true;
 207   // dump all sub-features;
 208   int aNbSubs = theComposite->numberOfSubs();
 209   for (int anIndex = 0; anIndex < aNbSubs; ++anIndex) {
 210     FeaturePtr aFeature = theComposite->subFeature(anIndex);
 211     if (isDumped(aFeature))
 212       continue;
 213
 214     CompositeFeaturePtr aCompFeat = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aFeature);
 215     if (aCompFeat) // iteratively process composite features
 216       isOk = process(aCompFeat) && isOk;
 217     else
 218       dumpFeature(aFeature, true);
 219   }
 220
 221   // It is necessary for the sketch to create its result when complete (command "model.do()").
 222   // This option is set by flat theDumpModelDo.
 223   // However, nested sketches are rebuilt by parent feature, so, they do not need
 224   // explicit call of "model.do()". This will be controlled by the depth of the stack.
 225   if (theDumpModelDo && gCompositeStackDepth <= 1)
 226     *this << "model.do()" << std::endl;
 227   return isOk;
 228 }
 229
 230 bool ModelHighAPI_Dumper::exportTo(const std::string& theFileName)
 231 {
 232   std::ofstream aFile;
 233   OSD_OpenStream(aFile, theFileName.c_str(), std::ofstream::out);
 234   if (!aFile.is_open())
 235     return false;
 236
 237   // standard header
 238   for (ModulesMap::const_iterator aModIt = myModules.begin();
 239        aModIt != myModules.end(); ++aModIt) {
 240     aFile << "from " << aModIt->first << " import ";
 241     if (aModIt->second.empty() ||
 242         aModIt->second.find(std::string()) != aModIt->second.end())
 243       aFile << "*"; // import whole module
 244     else {
 245       // import specific features
 246       std::set<std::string>::const_iterator anObjIt = aModIt->second.begin();
 247       aFile << *anObjIt;
 248       for (++anObjIt; anObjIt != aModIt->second.end(); ++anObjIt)
 249         aFile << ", " << *anObjIt;
 250     }
 251     aFile << std::endl;
 252   }
 253   if (!myModules.empty())
 254     aFile << std::endl;
 255
 256   aFile << "import model" << std::endl << std::endl;
 257   aFile << "model.begin()" << std::endl;
 258
 259   // dump collected data
 260   aFile << myFullDump.str();
 261
 262   // standard footer
 263   aFile << "model.end()" << std::endl;
 264
 265   aFile.close();
 266   clear();
 267
 268   return true;
 269 }
 270
 271 void ModelHighAPI_Dumper::importModule(const std::string& theModuleName,
 272                                        const std::string& theObject)
 273 {
 274   myModules[theModuleName].insert(theObject);
 275 }
 276
 277 void ModelHighAPI_Dumper::dumpEntitySetName()
 278 {
 279   if (!myLastEntityWithName)
 280     return;
 281
 282 #ifdef DUMP_USER_DEFINED_NAMES
 283   const std::string& aName = name(myLastEntityWithName);
 284   myDumpBuffer << aName;
 285   FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(myLastEntityWithName);
 286   if (aFeature)
 287     myDumpBuffer << ".feature()";
 288   myDumpBuffer << ".data().setName(\"" << aName << "\")" << std::endl;
 289 #endif
 290   myNames[myLastEntityWithName].second = false; // don't dump "setName" for the entity twice
 291   myLastEntityWithName = EntityPtr();
 292 }
 293
 294 bool ModelHighAPI_Dumper::isDumped(const EntityPtr& theEntity) const
 295 {
 296   EntityNameMap::const_iterator aFound = myNames.find(theEntity);
 297   return aFound != myNames.end();
 298 }
 299
 300 ModelHighAPI_Dumper& ModelHighAPI_Dumper::operator<<(const char theChar)
 301 {
 302   myDumpBuffer << theChar;
 303   return *this;
 304 }
 305
 306 ModelHighAPI_Dumper& ModelHighAPI_Dumper::operator<<(const char* theString)
 307 {
 308   myDumpBuffer << theString;
 309   return *this;
 310 }
 311
 312 ModelHighAPI_Dumper& ModelHighAPI_Dumper::operator<<(const std::string& theString)
 313 {
 314   myDumpBuffer << theString;
 315   return *this;
 316 }
 317
 318 ModelHighAPI_Dumper& ModelHighAPI_Dumper::operator<<(const bool theValue)
 319 {
 320   myDumpBuffer << (theValue ? "True" : "False");
 321   return *this;
 322 }
 323
 324 ModelHighAPI_Dumper& ModelHighAPI_Dumper::operator<<(const int theValue)
 325 {
 326   myDumpBuffer << theValue;
 327   return *this;
 328 }
 329
 330 ModelHighAPI_Dumper& ModelHighAPI_Dumper::operator<<(const double theValue)
 331 {
 332   myDumpBuffer << theValue;
 333   return *this;
 334 }
 335
 336 ModelHighAPI_Dumper& ModelHighAPI_Dumper::operator<<(const std::shared_ptr<GeomAPI_Pnt>& thePoint)
 337 {
 338   importModule("GeomAPI", "GeomAPI_Pnt");
 339   myDumpBuffer << "GeomAPI_Pnt(" << thePoint->x() << ", "
 340                << thePoint->y() << ", " << thePoint->z() << ")";
 341   return *this;
 342 }
 343
 344 ModelHighAPI_Dumper& ModelHighAPI_Dumper::operator<<(const std::shared_ptr<GeomAPI_Dir>& theDir)
 345 {
 346   importModule("GeomAPI", "GeomAPI_Dir");
 347   myDumpBuffer << "GeomAPI_Dir(" << theDir->x() << ", "
 348                << theDir->y() << ", " << theDir->z() << ")";
 349   return *this;
 350 }
 351
 352 ModelHighAPI_Dumper& ModelHighAPI_Dumper::operator<<(
 353     const std::shared_ptr<GeomDataAPI_Dir>& theDir)
 354 {
 355   myDumpBuffer << theDir->x() << ", " << theDir->y() << ", " << theDir->z();
 356   return *this;
 357 }
 358
 359 static void dumpArray(std::ostringstream& theOutput, int theSize,
 360                       double* theValues, std::string* theTexts)
 361 {
 362   for (int i = 0; i < theSize; ++i) {
 363     if (i > 0)
 364       theOutput << ", ";
 365     if (theTexts[i].empty())
 366       theOutput << theValues[i];
 367     else
 368       theOutput << "\"" << theTexts[i] << "\"";
 369   }
 370 }
 371
 372 ModelHighAPI_Dumper& ModelHighAPI_Dumper::operator<<(
 373     const std::shared_ptr<GeomDataAPI_Point>& thePoint)
 374 {
 375   static const int aSize = 3;
 376   double aValues[aSize] = {thePoint->x(), thePoint->y(), thePoint->z()};
 377   std::string aTexts[aSize] = {thePoint->textX(), thePoint->textY(), thePoint->textZ()};
 378   dumpArray(myDumpBuffer, aSize, aValues, aTexts);
 379   return *this;
 380 }
 381
 382 ModelHighAPI_Dumper& ModelHighAPI_Dumper::operator<<(
 383     const std::shared_ptr<GeomDataAPI_Point2D>& thePoint)
 384 {
 385   static const int aSize = 2;
 386   double aValues[aSize] = {thePoint->x(), thePoint->y()};
 387   std::string aTexts[aSize] = {thePoint->textX(), thePoint->textY()};
 388   dumpArray(myDumpBuffer, aSize, aValues, aTexts);
 389   return *this;
 390 }
 391
 392 ModelHighAPI_Dumper& ModelHighAPI_Dumper::operator<<(
 393     const std::shared_ptr<ModelAPI_AttributeBoolean>& theAttrBool)
 394 {
 395   myDumpBuffer << (theAttrBool->value() ? "True" : "False");
 396   return *this;
 397 }
 398
 399 ModelHighAPI_Dumper& ModelHighAPI_Dumper::operator<<(
 400     const std::shared_ptr<ModelAPI_AttributeInteger>& theAttrInt)
 401 {
 402   std::string aText = theAttrInt->text();
 403   if (aText.empty())
 404     myDumpBuffer << theAttrInt->value();
 405   else
 406     myDumpBuffer << "\"" << aText << "\"";
 407   return *this;
 408 }
 409
 410 ModelHighAPI_Dumper& ModelHighAPI_Dumper::operator<<(
 411     const std::shared_ptr<ModelAPI_AttributeDouble>& theAttrReal)
 412 {
 413   std::string aText = theAttrReal->text();
 414   if (aText.empty())
 415     myDumpBuffer << theAttrReal->value();
 416   else
 417     myDumpBuffer << "\"" << aText << "\"";
 418   return *this;
 419 }
 420
 421 ModelHighAPI_Dumper& ModelHighAPI_Dumper::operator<<(
 422     const std::shared_ptr<ModelAPI_AttributeString>& theAttrStr)
 423 {
 424   myDumpBuffer << "\"" << theAttrStr->value() << "\"";
 425   return *this;
 426 }
 427
 428 ModelHighAPI_Dumper& ModelHighAPI_Dumper::operator<<(const FeaturePtr& theEntity)
 429 {
 430   myDumpBuffer << name(theEntity);
 431   if (myNames[theEntity].second)
 432     myLastEntityWithName = theEntity;
 433   myNotDumpedEntities.erase(theEntity);
 434   return *this;
 435 }
 436
 437 ModelHighAPI_Dumper& ModelHighAPI_Dumper::operator<<(const ObjectPtr& theObject)
 438 {
 439   FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
 440   myDumpBuffer << name(aFeature);
 441   return *this;
 442 }
 443
 444 ModelHighAPI_Dumper& ModelHighAPI_Dumper::operator<<(const AttributePtr& theAttr)
 445 {
 446   FeaturePtr anOwner = ModelAPI_Feature::feature(theAttr->owner());
 447   myDumpBuffer << name(anOwner) << "." << attributeGetter(anOwner, theAttr->id()) << "()";
 448   return *this;
 449 }
 450
 451 ModelHighAPI_Dumper& ModelHighAPI_Dumper::operator<<(
 452     const std::shared_ptr<ModelAPI_AttributeRefAttr>& theRefAttr)
 453 {
 454   if (theRefAttr->isObject())
 455     *this << theRefAttr->object();
 456   else
 457     *this << theRefAttr->attr();
 458   return *this;
 459 }
 460
 461 ModelHighAPI_Dumper& ModelHighAPI_Dumper::operator<<(
 462     const std::shared_ptr<ModelAPI_AttributeRefAttrList>& theRefAttrList)
 463 {
 464   myDumpBuffer << "[";
 465   std::list<std::pair<ObjectPtr, AttributePtr> > aList = theRefAttrList->list();
 466   bool isAdded = false;
 467   std::list<std::pair<ObjectPtr, AttributePtr> >::const_iterator anIt = aList.begin();
 468   for (; anIt != aList.end(); ++anIt) {
 469     if (isAdded)
 470       myDumpBuffer << ", ";
 471     else
 472       isAdded = true;
 473     if (anIt->first)
 474       *this << anIt->first;
 475     else if (anIt->second)
 476       * this << anIt->second;
 477   }
 478   myDumpBuffer << "]";
 479   return *this;
 480 }
 481
 482 ModelHighAPI_Dumper& ModelHighAPI_Dumper::operator<<(
 483     const std::shared_ptr<ModelAPI_AttributeReference>& theReference)
 484 {
 485   *this << theReference->value();
 486   return *this;
 487 }
 488
 489 ModelHighAPI_Dumper& ModelHighAPI_Dumper::operator<<(
 490     const std::shared_ptr<ModelAPI_AttributeRefList>& theRefList)
 491 {
 492   static const int aThreshold = 2;
 493   // if number of elements in the list if greater than a threshold,
 494   // dump it in a separate line with specific name
 495   std::string aDumped = myDumpBuffer.str();
 496   if (aDumped.empty() || theRefList->size() <= aThreshold) {
 497     myDumpBuffer << "[";
 498     std::list<ObjectPtr> aList = theRefList->list();
 499     bool isAdded = false;
 500     std::list<ObjectPtr>::const_iterator anIt = aList.begin();
 501     for (; anIt != aList.end(); ++anIt) {
 502       if (isAdded)
 503         myDumpBuffer << ", ";
 504       else
 505         isAdded = true;
 506
 507       *this << *anIt;
 508     }
 509     myDumpBuffer << "]";
 510   } else {
 511     // clear buffer and store list "as is"
 512     myDumpBuffer = std::ostringstream();
 513     *this << theRefList;
 514     // save buffer and clear it again
 515     std::string aDumpedList = myDumpBuffer.str();
 516     myDumpBuffer = std::ostringstream();
 517     // obtain name of list
 518     FeaturePtr anOwner = ModelAPI_Feature::feature(theRefList->owner());
 519     std::string aListName = name(anOwner) + "_objects";
 520     // store all previous data
 521     myDumpBuffer << aListName << " = " << aDumpedList << std::endl
 522                  << aDumped << aListName;
 523   }
 524   return *this;
 525 }
 526
 527 ModelHighAPI_Dumper& ModelHighAPI_Dumper::operator<<(
 528     const std::shared_ptr<ModelAPI_AttributeSelection>& theAttrSelect)
 529 {
 530   myDumpBuffer << "model.selection(";
 531
 532   if(!theAttrSelect->isInitialized()) {
 533     myDumpBuffer << ")";
 534     return *this;
 535   }
 536
 537   GeomShapePtr aShape = theAttrSelect->value();
 538   if(!aShape.get()) {
 539     aShape = theAttrSelect->context()->shape();
 540   }
 541
 542   if(!aShape.get()) {
 543     myDumpBuffer << ")";
 544     return *this;
 545   }
 546
 547   myDumpBuffer << "\"" << aShape->shapeTypeStr() << "\", \"" << theAttrSelect->namingName() << "\")";
 548   return *this;
 549 }
 550
 551 ModelHighAPI_Dumper& ModelHighAPI_Dumper::operator<<(
 552     const std::shared_ptr<ModelAPI_AttributeSelectionList>& theAttrSelList)
 553 {
 554   myDumpBuffer << "[";
 555
 556   GeomShapePtr aShape;
 557   std::string aShapeTypeStr;
 558
 559   bool isAdded = false;
 560
 561   for(int anIndex = 0; anIndex < theAttrSelList->size(); ++anIndex) {
 562     AttributeSelectionPtr anAttribute = theAttrSelList->value(anIndex);
 563     aShape = anAttribute->value();
 564     if(!aShape.get()) {
 565       aShape = anAttribute->context()->shape();
 566     }
 567
 568     if(!aShape.get()) {
 569       continue;
 570     }
 571
 572     if(isAdded) {
 573       myDumpBuffer << ", ";
 574     } else {
 575       isAdded = true;
 576     }
 577     myDumpBuffer << "model.selection(\"" << aShape->shapeTypeStr() << "\", \"" << anAttribute->namingName() << "\")";
 578   }
 579
 580   myDumpBuffer << "]";
 581   return *this;
 582 }
 583
 584 /// Dump std::endl
 585 MODELHIGHAPI_EXPORT
 586 ModelHighAPI_Dumper& operator<<(ModelHighAPI_Dumper& theDumper,
 587                                 std::basic_ostream<char>& (*theEndl)(std::basic_ostream<char>&))
 588 {
 589   theDumper.myDumpBuffer << theEndl;
 590   theDumper.dumpEntitySetName();
 591
 592   // store all not-dumped entities first
 593   std::set<EntityPtr> aNotDumped = theDumper.myNotDumpedEntities;
 594   std::string aBufCopy = theDumper.myDumpBuffer.str();
 595   theDumper.clear(true);
 596   std::set<EntityPtr>::const_iterator anIt = aNotDumped.begin();
 597   for (; anIt != aNotDumped.end(); ++anIt) {
 598     // if the feature is composite, dump it with all subs
 599     CompositeFeaturePtr aCompFeat =
 600         std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(*anIt);
 601     if (aCompFeat)
 602       theDumper.process(aCompFeat, true);
 603     else {
 604       FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*anIt);
 605       theDumper.dumpFeature(aFeature, true);
 606     }
 607   }
 608
 609   // avoid multiple empty lines
 610   size_t anInd = std::string::npos;
 611   while ((anInd = aBufCopy.find("\n\n\n")) != std::string::npos)
 612     aBufCopy.erase(anInd, 1);
 613   // then store currently dumped string
 614   theDumper.myFullDump << aBufCopy;
 615
 616   return theDumper;
 617 }