//  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
//
//  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
//  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of the GNU Lesser General Public
//  License as published by the Free Software Foundation; either
//  version 2.1 of the License.
//
//  This library is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
//  Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with this library; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
//  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com

#ifdef WNT
#pragma warning( disable:4786 )
#endif

#include "GEOM_Engine.hxx"

#include "GEOM_Solver.hxx"
#include "GEOM_Function.hxx"
#include "GEOM_ISubShape.hxx"
#include "GEOM_SubShapeDriver.hxx"
#include "GEOM_DataMapIteratorOfDataMapOfAsciiStringTransient.hxx"
#include "GEOM_PythonDump.hxx"

#include "utilities.h"

#include <TDF_Tool.hxx>
#include <TDF_Data.hxx>
#include <TDF_Reference.hxx>
#include <TDF_LabelSequence.hxx>
#include <TDataStd_Integer.hxx>
#include <TDataStd_ChildNodeIterator.hxx>
#include <TFunction_Driver.hxx>
#include <TFunction_DriverTable.hxx>
#include <TDataStd_HArray1OfByte.hxx>
#include <TDataStd_ByteArray.hxx>
#include <TDataStd_UAttribute.hxx>
#include <TDF_ChildIterator.hxx>
#include <TDataStd_Comment.hxx>

#include <TopExp.hxx>
#include <TopTools_IndexedMapOfShape.hxx>

#include <TCollection_AsciiString.hxx>
#include <TCollection_ExtendedString.hxx>
#include <TColStd_SequenceOfAsciiString.hxx>
#include <TColStd_MapOfTransient.hxx>
#include <TColStd_HSequenceOfInteger.hxx>

#include <Interface_DataMapIteratorOfDataMapOfIntegerTransient.hxx>
#include <Resource_DataMapIteratorOfDataMapOfAsciiStringAsciiString.hxx>

#include <set>
#include <map>
#include <string>
#include <vector>

#include <Standard_Failure.hxx>
#include <Standard_ErrorHandler.hxx> // CAREFUL ! position of this file is critic : see Lucien PIGNOLONI / OCC

#define COMMA ','
#define O_BRACKET '('
#define C_BRACKET ')'
#define O_SQR_BRACKET '['
#define C_SQR_BRACKET ']'
#define PY_NULL "None"

#ifdef _DEBUG_
static int MYDEBUG = 0;
#else
static int MYDEBUG = 0;
#endif

static GEOM_Engine* TheEngine = NULL;

using namespace std;

static TCollection_AsciiString BuildIDFromObject(Handle(GEOM_Object)& theObject)
{
  TCollection_AsciiString anID(theObject->GetDocID()), anEntry;
  TDF_Tool::Entry(theObject->GetEntry(), anEntry);
  anID+=(TCollection_AsciiString("_")+anEntry);
  return anID;
}

static TCollection_AsciiString BuildID(Standard_Integer theDocID, char* theEntry)
{
  TCollection_AsciiString anID(theDocID);
  anID+=(TCollection_AsciiString("_")+theEntry);
  return anID;
}

static Standard_Integer ExtractDocID(TCollection_AsciiString& theID)
{
  TCollection_AsciiString aDocID = theID.Token("_");
  if(aDocID.Length() < 1) return -1;
  return aDocID.IntegerValue();
}

bool ProcessFunction(Handle(GEOM_Function)&   theFunction,
                     TCollection_AsciiString& theScript,
                     TCollection_AsciiString& theAfterScript,
                     const TVariablesList&    theVariables,
                     const bool               theIsPublished,
                     TDF_LabelMap&            theProcessed,
                     std::set<std::string>&   theIgnoreObjs,
                     bool&                    theIsDumpCollected);

void ReplaceVariables(TCollection_AsciiString& theCommand, 
                      const TVariablesList&    theVariables);

Handle(TColStd_HSequenceOfInteger) FindEntries(TCollection_AsciiString& theString);

void ReplaceEntriesByNames (TCollection_AsciiString&                  theScript,
                            Resource_DataMapOfAsciiStringAsciiString& theObjectNames,
                            const bool                                theIsPublished,
                            Resource_DataMapOfAsciiStringAsciiString& theEntryToBadName,
                            TColStd_SequenceOfAsciiString&            theObjListToPublish);

void AddObjectColors (int                                             theDocID,
                      TCollection_AsciiString&                        theScript,
                      const Resource_DataMapOfAsciiStringAsciiString& theObjectNames);

void AddTextures (int theDocID, TCollection_AsciiString& theScript);

void PublishObject (const TCollection_AsciiString&                  theEntry,
                    const TCollection_AsciiString&                  theName,
                    const Resource_DataMapOfAsciiStringAsciiString& theObjectNames,
                    const Resource_DataMapOfAsciiStringAsciiString& theEntry2StEntry,
                    const Resource_DataMapOfAsciiStringAsciiString& theStEntry2Entry,
                    const Resource_DataMapOfAsciiStringAsciiString& theEntryToBadName,
                    std::map< int, std::string >&                   theEntryToCommandMap,
                    std::set<std::string>&                          theMapOfPublished);

//=======================================================================
//function : GetTextureGUID
//purpose  :
//=======================================================================
const Standard_GUID& GEOM_Engine::GetTextureGUID()
{
  static Standard_GUID anID("FF1BBB01-5D14-4df2-980B-3A668264EA17");
  return anID;
}

//=============================================================================
/*!
 *  GetEngine
 */
//=============================================================================
GEOM_Engine* GEOM_Engine::GetEngine() { return TheEngine; }

//=============================================================================
/*!
 *  SetEngine
 */
//=============================================================================
void GEOM_Engine::SetEngine(GEOM_Engine* theEngine) { TheEngine = theEngine; }

//=============================================================================
/*!
 *  Constructor
 */
//=============================================================================
GEOM_Engine::GEOM_Engine()
{
  TFunction_DriverTable::Get()->AddDriver(GEOM_Object::GetSubShapeID(), new GEOM_SubShapeDriver());

  _OCAFApp = new GEOM_Application();
  _UndoLimit = 10;
}

/*!
 *  Destructor
 */
GEOM_Engine::~GEOM_Engine()
{
  GEOM_DataMapIteratorOfDataMapOfAsciiStringTransient It(_objects);
  for(; It.More(); It.Next())
    {
      RemoveObject(Handle(GEOM_Object)::DownCast(It.Value()));
    }

  //Close all documents not closed
  for(Interface_DataMapIteratorOfDataMapOfIntegerTransient anItr(_mapIDDocument); anItr.More(); anItr.Next())
    Close(anItr.Key());

  _mapIDDocument.Clear();
  _objects.Clear();
}

//=============================================================================
/*!
 *  GetDocument
 */
//=============================================================================
Handle(TDocStd_Document) GEOM_Engine::GetDocument(int theDocID, bool force)
{
  Handle(TDocStd_Document) aDoc;
  if(_mapIDDocument.IsBound(theDocID)) {
    aDoc = Handle(TDocStd_Document)::DownCast(_mapIDDocument(theDocID));
  }
  else if (force) {
    _OCAFApp->NewDocument("SALOME_GEOM", aDoc);
    aDoc->SetUndoLimit(_UndoLimit);
    _mapIDDocument.Bind(theDocID, aDoc);
    TDataStd_Integer::Set(aDoc->Main(), theDocID);
  }
  return aDoc;
}

//=============================================================================
/*!
 *  GetDocID
 */
//=============================================================================
int GEOM_Engine::GetDocID(Handle(TDocStd_Document) theDocument)
{
  if(theDocument.IsNull()) return -1;
  for(Interface_DataMapIteratorOfDataMapOfIntegerTransient anItr(_mapIDDocument); anItr.More(); anItr.Next())
    if(anItr.Value() == theDocument) return anItr.Key();

  return -1;

}

//=============================================================================
/*!
 *  GetObject
 */
//=============================================================================
Handle(GEOM_Object) GEOM_Engine::GetObject(int theDocID, char* theEntry, bool force)
{
  Handle(GEOM_Object) anObject;

  TCollection_AsciiString anID = BuildID(theDocID, theEntry);

  if (_objects.IsBound(anID)) {
    anObject = Handle(GEOM_Object)::DownCast(_objects(anID));
  }
  else if (force) {
    Handle(TDocStd_Document) aDoc = GetDocument(theDocID, force);
    if ( !aDoc.IsNull()) {
      TDF_Label aLabel;
      TDF_Tool::Label(aDoc->Main().Data(), theEntry, aLabel, Standard_True);
      anObject = new GEOM_Object(aLabel);
      _objects.Bind(anID, anObject);
    }
  }

  return anObject;
}

//=============================================================================
/*!
 *  AddObject
 */
//=============================================================================
Handle(GEOM_Object) GEOM_Engine::AddObject(int theDocID, int theType)
{
  Handle(TDocStd_Document) aDoc = GetDocument(theDocID);
  Handle(TDataStd_TreeNode) aRoot = TDataStd_TreeNode::Set(aDoc->Main());

  // NPAL18604: use existing label to decrease memory usage,
  //            if this label has been freed (object deleted)
  bool useExisting = false;
  TDF_Label aChild;
  if (_freeLabels.find(theDocID) != _freeLabels.end()) {
    std::list<TDF_Label>& aFreeLabels = _freeLabels[theDocID];
    if (!aFreeLabels.empty()) {
      useExisting = true;
      aChild = aFreeLabels.front();
      aFreeLabels.pop_front();
    }
  }
  if (!useExisting) {
    // create new label
    aChild = TDF_TagSource::NewChild(aDoc->Main());
  }

  Handle(GEOM_Object) anObject = new GEOM_Object(aChild, theType);

  //Put an object in the map of created objects
  TCollection_AsciiString anID = BuildIDFromObject(anObject);
  if(_objects.IsBound(anID)) _objects.UnBind(anID);
  _objects.Bind(anID, anObject);

  return anObject;
}

//=============================================================================
/*!
 *  AddSubShape
 */
//=============================================================================
Handle(GEOM_Object) GEOM_Engine::AddSubShape(Handle(GEOM_Object) theMainShape,
                                             Handle(TColStd_HArray1OfInteger) theIndices,
                                             bool isStandaloneOperation)
{
  if(theMainShape.IsNull() || theIndices.IsNull()) return NULL;

  Handle(TDocStd_Document) aDoc = GetDocument(theMainShape->GetDocID());
  Handle(TDataStd_TreeNode) aRoot = TDataStd_TreeNode::Set(aDoc->Main());

  // NPAL18604: use existing label to decrease memory usage,
  //            if this label has been freed (object deleted)
  bool useExisting = false;
  TDF_Label aChild;
  /*
  if (!_lastCleared.IsNull()) {
    if (_lastCleared.Root() == aDoc->Main().Root()) {
      useExisting = true;
      aChild = _lastCleared;
      // 0020229: if next label exists and is empty, try to reuse it
      Standard_Integer aNextTag = aChild.Tag() + 1;
      TDF_Label aNextL = aDoc->Main().FindChild(aNextTag, Standard_False);
      if (!aNextL.IsNull() && !aNextL.HasAttribute())
        _lastCleared = aNextL;
      else
        _lastCleared.Nullify();
    }
  }
  */
  int aDocID = theMainShape->GetDocID();
  if (_freeLabels.find(aDocID) != _freeLabels.end()) {
    std::list<TDF_Label>& aFreeLabels = _freeLabels[aDocID];
    if (!aFreeLabels.empty()) {
      useExisting = true;
      aChild = aFreeLabels.front();
      aFreeLabels.pop_front();
    }
  }
  if (!useExisting) {
    // create new label
    aChild = TDF_TagSource::NewChild(aDoc->Main());
  }

  Handle(GEOM_Function) aMainShape = theMainShape->GetLastFunction();
  Handle(GEOM_Object) anObject = new GEOM_Object(aChild, 28); //28 is SUBSHAPE type
  Handle(GEOM_Function) aFunction = anObject->AddFunction(GEOM_Object::GetSubShapeID(), 1);

  GEOM_ISubShape aSSI(aFunction);
  aSSI.SetMainShape(aMainShape);
  aSSI.SetIndices(theIndices);

  try {
#if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
    OCC_CATCH_SIGNALS;
#endif
    GEOM_Solver aSolver (GEOM_Engine::GetEngine());
    if (!aSolver.ComputeFunction(aFunction)) {
      MESSAGE("GEOM_Engine::AddSubShape Error: Can't build a sub shape");
      return NULL;
    }
  }
  catch (Standard_Failure) {
    Handle(Standard_Failure) aFail = Standard_Failure::Caught();
    MESSAGE("GEOM_Engine::AddSubShape Error: " << aFail->GetMessageString());
    return NULL;
  }

  //Put an object in the map of created objects
  TCollection_AsciiString anID = BuildIDFromObject(anObject);
  if(_objects.IsBound(anID)) _objects.UnBind(anID);
  _objects.Bind(anID, anObject);

  GEOM::TPythonDump pd (aFunction);

  if (isStandaloneOperation) {
    pd << anObject << " = geompy.GetSubShape(" << theMainShape << ", [";
    Standard_Integer i = theIndices->Lower(), up = theIndices->Upper();
    for (; i <= up - 1; i++) {
      pd << theIndices->Value(i) << ", ";
    }
    pd << theIndices->Value(up) << "])";
  }
  else
    pd << "None";

  return anObject;
}

//=============================================================================
/*!
 *  RemoveObject
 */
//=============================================================================
bool GEOM_Engine::RemoveObject(Handle(GEOM_Object) theObject)
{
  if (theObject.IsNull()) return false;

  int aDocID = theObject->GetDocID();
  if(!_mapIDDocument.IsBound(aDocID))
    return false;  // document is closed...
  
  //Remove an object from the map of available objects
  TCollection_AsciiString anID = BuildIDFromObject(theObject);
  if (_objects.IsBound(anID)) _objects.UnBind(anID);

  int nb = theObject->GetNbFunctions();
  Handle(TDataStd_TreeNode) aNode;
  for (int i = 1; i<=nb; i++) {
    Handle(GEOM_Function) aFunction = theObject->GetFunction(i);
    if (aFunction->GetEntry().FindAttribute(GEOM_Function::GetFunctionTreeID(), aNode))
      aNode->Remove();
  }

  TDF_Label aLabel = theObject->GetEntry();
  aLabel.ForgetAllAttributes(Standard_True);

  // Remember the label to reuse it then
  std::list<TDF_Label>& aFreeLabels = _freeLabels[aDocID];
  aFreeLabels.push_back(aLabel);

  theObject.Nullify();

  return true;
}

//=============================================================================
/*!
 *  Undo
 */
//=============================================================================
void GEOM_Engine::Undo(int theDocID)
{
  GetDocument(theDocID)->Undo();
}

//=============================================================================
/*!
 *  Redo
 */
//=============================================================================
void GEOM_Engine::Redo(int theDocID)
{
  GetDocument(theDocID)->Redo();
}

//=============================================================================
/*!
 *  Save
 */
//=============================================================================
bool GEOM_Engine::Save(int theDocID, char* theFileName)
{
  if(!_mapIDDocument.IsBound(theDocID)) return false;
  Handle(TDocStd_Document) aDoc = Handle(TDocStd_Document)::DownCast(_mapIDDocument(theDocID));

  _OCAFApp->SaveAs(aDoc, theFileName);

  return true;
}

//=============================================================================
/*!
 *  Load
 */
//=============================================================================
bool GEOM_Engine::Load(int theDocID, char* theFileName)
{
  Handle(TDocStd_Document) aDoc;
  if(_OCAFApp->Open(theFileName, aDoc) != CDF_RS_OK) {
    return false;
  }

  aDoc->SetUndoLimit(_UndoLimit);

  if(_mapIDDocument.IsBound(theDocID)) _mapIDDocument.UnBind(theDocID);
  _mapIDDocument.Bind(theDocID, aDoc);

  TDataStd_Integer::Set(aDoc->Main(), theDocID);

  return true;
}

//=============================================================================
/*!
 *  Close
 */
//=============================================================================
void GEOM_Engine::Close(int theDocID)
{
  if (_mapIDDocument.IsBound(theDocID)) {
    Handle(TDocStd_Document) aDoc = Handle(TDocStd_Document)::DownCast(_mapIDDocument(theDocID));

    //Remove all GEOM Objects associated to the given document
    TColStd_SequenceOfAsciiString aSeq;
    GEOM_DataMapIteratorOfDataMapOfAsciiStringTransient It (_objects);
    for (; It.More(); It.Next()) {
      TCollection_AsciiString anObjID (It.Key());
      Standard_Integer anID = ExtractDocID(anObjID);
      if (theDocID == anID) aSeq.Append(It.Key());
    }
    for (Standard_Integer i=1; i<=aSeq.Length(); i++) _objects.UnBind(aSeq.Value(i));

    // Forget free labels for this document
    TFreeLabelsList::iterator anIt = _freeLabels.find(theDocID);
    if (anIt != _freeLabels.end()) {
      _freeLabels.erase(anIt);
    }

    _mapIDDocument.UnBind(theDocID);
    _OCAFApp->Close(aDoc);
    aDoc.Nullify();
  }
}

//=============================================================================
/*!
 *  DumpPython
 */
//=============================================================================
TCollection_AsciiString GEOM_Engine::DumpPython(int theDocID,
                                                Resource_DataMapOfAsciiStringAsciiString& theObjectNames,
                                                TVariablesList theVariables,
                                                bool isPublished,
                                                bool& aValidScript)
{
  TCollection_AsciiString aScript;
  Handle(TDocStd_Document) aDoc = GetDocument(theDocID);

  if (aDoc.IsNull()) return TCollection_AsciiString("def RebuildData(theStudy): pass\n");

  aScript  = "import GEOM\n";
  aScript += "import geompy\n";
  aScript += "import math\n";
  aScript += "import SALOMEDS\n\n";
  aScript += "def RebuildData(theStudy):";
  aScript += "\n\tgeompy.init_geom(theStudy)\n";

  AddTextures(theDocID, aScript);

  Standard_Integer posToInsertGlobalVars = aScript.Length() + 1;

  Resource_DataMapOfAsciiStringAsciiString aEntry2StEntry, aStEntry2Entry;
  Resource_DataMapIteratorOfDataMapOfAsciiStringAsciiString anEntryToNameIt;
  // build maps entry <-> studyEntry
  for (anEntryToNameIt.Initialize( theObjectNames );
       anEntryToNameIt.More();
       anEntryToNameIt.Next())
  {
    const TCollection_AsciiString& aEntry = anEntryToNameIt.Key();
    // look for an object by entry
    TDF_Label L;
    TDF_Tool::Label( aDoc->GetData(), aEntry, L );
    if ( L.IsNull() ) continue;
    Handle(GEOM_Object) obj = GEOM_Object::GetObject( L );
    // fill maps
    if ( !obj.IsNull() ) {
      TCollection_AsciiString aStudyEntry (obj->GetAuxData());
      aEntry2StEntry.Bind( aEntry,  aStudyEntry);
      aStEntry2Entry.Bind( aStudyEntry, aEntry );
    }
  }

  // collect objects entries to be published
  TColStd_SequenceOfAsciiString aObjListToPublish;
  
  // iterates on functions till critical (that requiers publication of objects)
  Handle(TDataStd_TreeNode) aNode, aRoot;
  Handle(GEOM_Function) aFunction;
  TDF_LabelMap aCheckedFuncMap;
  std::set<std::string> anIgnoreObjMap;

  TCollection_AsciiString aFuncScript;
  Resource_DataMapOfAsciiStringAsciiString anEntryToBadName;

  if (aDoc->Main().FindAttribute(GEOM_Function::GetFunctionTreeID(), aRoot)) {
    TDataStd_ChildNodeIterator Itr(aRoot);
    for (; Itr.More(); Itr.Next()) {
      aNode = Itr.Value();
      aFunction = GEOM_Function::GetFunction(aNode->Label());
      if (aFunction.IsNull()) {
        MESSAGE ( "Null function !!!!" );
        continue;
      }
      bool isDumpCollected = false;
      TCollection_AsciiString aCurScript, anAfterScript;
      if (!ProcessFunction(aFunction, aCurScript, anAfterScript, theVariables,
                           isPublished, aCheckedFuncMap, anIgnoreObjMap,
                           isDumpCollected ))
        continue;
      // add function description before dump
      if (!aCurScript.IsEmpty())
        aFuncScript += aCurScript;
      if (isDumpCollected ) {
        // Replace entries by the names
        ReplaceEntriesByNames( aFuncScript, theObjectNames,
                               isPublished, anEntryToBadName, aObjListToPublish );
        
        // publish collected objects
        std::map< int, std::string > anEntryToCommandMap; // sort publishing commands by object entry
        int i = 1, n = aObjListToPublish.Length();
        for ( ; i <= n; i++ )
        {
          const TCollection_AsciiString& aEntry = aObjListToPublish.Value(i);
          if (!theObjectNames.IsBound( aEntry ))
            continue;
          PublishObject( aEntry, theObjectNames.Find(aEntry),
                        theObjectNames, aEntry2StEntry, aStEntry2Entry,
                        anEntryToBadName, anEntryToCommandMap, anIgnoreObjMap );
        }
        // add publishing commands to the script
        std::map< int, std::string >::iterator anEntryToCommand = anEntryToCommandMap.begin();
        for ( ; anEntryToCommand != anEntryToCommandMap.end(); ++anEntryToCommand )
          aFuncScript += (char*)anEntryToCommand->second.c_str();
        
        // PTv, 0020001 add result objects from RestoreSubShapes into ignore list,
        //  because they will be published during command execution
        int indx = anAfterScript.Search( "RestoreSubShapes" );
        if ( indx != -1 ) {
          TCollection_AsciiString aSubStr = anAfterScript.SubString(1, indx);
          Handle(TColStd_HSequenceOfInteger) aSeq = FindEntries(aSubStr);
          i = 1, n = aSeq->Length();
          for ( ; i <= n; i+=2) {
            TCollection_AsciiString anEntry =
              aSubStr.SubString(aSeq->Value(i), aSeq->Value(i+1));
            if (!anIgnoreObjMap.count(anEntry.ToCString()))
              anIgnoreObjMap.insert(anEntry.ToCString());
          }
        }

        aObjListToPublish.Clear();
        aScript += aFuncScript;
        aFuncScript.Clear();
      }
      aFuncScript += anAfterScript;
    }
  }

  // Replace entries by the names
  aObjListToPublish.Clear();
  ReplaceEntriesByNames( aFuncScript, theObjectNames,
                         isPublished, anEntryToBadName, aObjListToPublish );
  
  aScript += aFuncScript;

  // ouv : NPAL12872
  AddObjectColors( theDocID, aScript, theObjectNames );

  // Make script to publish in study
  if ( isPublished )
  {
    std::map< int, std::string > anEntryToCommandMap; // sort publishing commands by object entry
    for (anEntryToNameIt.Initialize( theObjectNames );
         anEntryToNameIt.More();
         anEntryToNameIt.Next())
    {
      const TCollection_AsciiString& aEntry = anEntryToNameIt.Key();
      if (anIgnoreObjMap.count(aEntry.ToCString()))
        continue; // should not be dumped
      const TCollection_AsciiString& aName = anEntryToNameIt.Value();
      PublishObject( aEntry, aName, theObjectNames,
                    aEntry2StEntry, aStEntry2Entry,
                    anEntryToBadName, anEntryToCommandMap, anIgnoreObjMap );
    }
    // add publishing commands to the script
    std::map< int, std::string >::iterator anEntryToCommand = anEntryToCommandMap.begin();
    for ( ; anEntryToCommand != anEntryToCommandMap.end(); ++anEntryToCommand )
      aScript += (char*)anEntryToCommand->second.c_str();
  }

  //aScript += "\n\tpass\n";
  aScript += "\n";
  aValidScript = true;

  // fill _studyEntry2NameMap and build globalVars
  TCollection_AsciiString globalVars;
  _studyEntry2NameMap.Clear();
  Resource_DataMapIteratorOfDataMapOfAsciiStringAsciiString aStEntryToEntryIt;
  for (aStEntryToEntryIt.Initialize( aStEntry2Entry );
       aStEntryToEntryIt.More();
       aStEntryToEntryIt.Next() )
  {
    const TCollection_AsciiString & name = theObjectNames( aStEntryToEntryIt.Value() );
    _studyEntry2NameMap.Bind (aStEntryToEntryIt.Key(), name );
    if ( !globalVars.IsEmpty() )
      globalVars += ", ";
    globalVars += name;
  }
  if ( !globalVars.IsEmpty() ) {
    globalVars.Insert( 1, "\n\tglobal " );
    aScript.Insert( posToInsertGlobalVars, globalVars );
  }

  return aScript;
}

//=======================================================================
//function : GetDumpName
//purpose  :
//=======================================================================

const char* GEOM_Engine::GetDumpName (const char* theStudyEntry) const
{
  if ( _studyEntry2NameMap.IsBound( (char*)theStudyEntry ))
    return _studyEntry2NameMap( (char*)theStudyEntry ).ToCString();

  return NULL;
}

//=======================================================================
//function : GetAllDumpNames
//purpose  :
//=======================================================================

Handle(TColStd_HSequenceOfAsciiString) GEOM_Engine::GetAllDumpNames() const
{
  Handle(TColStd_HSequenceOfAsciiString) aRetSeq = new TColStd_HSequenceOfAsciiString;

  Resource_DataMapIteratorOfDataMapOfAsciiStringAsciiString it (_studyEntry2NameMap);
  for (; it.More(); it.Next()) {
    aRetSeq->Append(it.Value());
  }

  return aRetSeq;
}

#define TEXTURE_LABEL_ID       1
#define TEXTURE_LABEL_FILE     2
#define TEXTURE_LABEL_WIDTH    3
#define TEXTURE_LABEL_HEIGHT   4
#define TEXTURE_LABEL_DATA     5

int GEOM_Engine::addTexture(int theDocID, int theWidth, int theHeight, 
                            const Handle(TDataStd_HArray1OfByte)& theTexture,
                            const TCollection_AsciiString& theFileName)
{
  Handle(TDocStd_Document) aDoc = GetDocument(theDocID);
  Handle(TDataStd_TreeNode) aRoot = TDataStd_TreeNode::Set(aDoc->Main());

  // NPAL18604: use existing label to decrease memory usage,
  //            if this label has been freed (object deleted)
  bool useExisting = false;
  TDF_Label aChild;
  if (_freeLabels.find(theDocID) != _freeLabels.end()) {
    std::list<TDF_Label>& aFreeLabels = _freeLabels[theDocID];
    if (!aFreeLabels.empty()) {
      useExisting = true;
      aChild = aFreeLabels.front();
      aFreeLabels.pop_front();
    }
  }
  if (!useExisting) {
    // create new label
    aChild = TDF_TagSource::NewChild(aDoc->Main());
  }

  aChild.ForgetAllAttributes(Standard_True);
  Handle(TDataStd_TreeNode) node;
  if ( !aChild.FindAttribute(TDataStd_TreeNode::GetDefaultTreeID(), node ) )
    node = TDataStd_TreeNode::Set(aChild);
  TDataStd_UAttribute::Set(aChild, GetTextureGUID());

  static int aTextureID = 0;

  TDataStd_Integer::Set(aChild.FindChild(TEXTURE_LABEL_ID),     ++aTextureID);
  TDataStd_Comment::Set(aChild.FindChild(TEXTURE_LABEL_FILE),   theFileName);
  TDataStd_Integer::Set(aChild.FindChild(TEXTURE_LABEL_WIDTH),  theWidth);
  TDataStd_Integer::Set(aChild.FindChild(TEXTURE_LABEL_HEIGHT), theHeight);

  Handle(TDataStd_ByteArray) anAttr =
    TDataStd_ByteArray::Set(aChild.FindChild(TEXTURE_LABEL_DATA), 
                            theTexture.IsNull() ? 0 : theTexture->Lower(),
                            theTexture.IsNull() ? 0 : theTexture->Upper());
  anAttr->ChangeArray(theTexture);

  return aTextureID;
}

Handle(TDataStd_HArray1OfByte) GEOM_Engine::getTexture(int theDocID, int theTextureID,
                                                       int& theWidth, int& theHeight,
                                                       TCollection_AsciiString& theFileName)
{
  Handle(TDataStd_HArray1OfByte) anArray;
  theWidth = theHeight = 0;

  Handle(TDocStd_Document) aDoc = GetDocument(theDocID);

  TDF_ChildIterator anIterator(aDoc->Main(), Standard_True);
  bool found = false;
  for (; anIterator.More() && !found; anIterator.Next()) {
    TDF_Label aTextureLabel = anIterator.Value();
    if (aTextureLabel.IsAttribute( GetTextureGUID())) {
      TDF_Label anIDLabel = aTextureLabel.FindChild(TEXTURE_LABEL_ID, Standard_False);
      Handle(TDataStd_Integer) anIdAttr;
      if(!anIDLabel.IsNull() && anIDLabel.FindAttribute(TDataStd_Integer::GetID(), anIdAttr) && 
         anIdAttr->Get() == theTextureID) {
        TDF_Label aFileLabel   = aTextureLabel.FindChild(TEXTURE_LABEL_FILE,    Standard_False);
        TDF_Label aWidthLabel  = aTextureLabel.FindChild(TEXTURE_LABEL_WIDTH,   Standard_False);
        TDF_Label aHeightLabel = aTextureLabel.FindChild(TEXTURE_LABEL_HEIGHT,  Standard_False);
        TDF_Label aDataLabel   = aTextureLabel.FindChild(TEXTURE_LABEL_DATA,    Standard_False);
        Handle(TDataStd_Integer) aWidthAttr, aHeightAttr;
        Handle(TDataStd_ByteArray) aTextureAttr;
        Handle(TDataStd_Comment) aFileAttr;
        if (!aWidthLabel.IsNull()  && aWidthLabel.FindAttribute(TDataStd_Integer::GetID(),  aWidthAttr) &&
            !aHeightLabel.IsNull() && aHeightLabel.FindAttribute(TDataStd_Integer::GetID(), aHeightAttr) &&
            !aDataLabel.IsNull()   && aDataLabel.FindAttribute(TDataStd_ByteArray::GetID(), aTextureAttr)) {
          theWidth = aWidthAttr->Get();
          theHeight = aHeightAttr->Get();
          anArray = aTextureAttr->InternalArray();
        }
        if (!aFileLabel.IsNull() && aFileLabel.FindAttribute(TDataStd_Comment::GetID(), aFileAttr))
          theFileName = aFileAttr->Get();
        found = true;
      }
    }
  }
  return anArray;
}

std::list<int> GEOM_Engine::getAllTextures(int theDocID)
{
  std::list<int> id_list;

  Handle(TDocStd_Document) aDoc = GetDocument(theDocID);

  TDF_ChildIterator anIterator(aDoc->Main(), Standard_True);
  for (; anIterator.More(); anIterator.Next()) {
    TDF_Label aTextureLabel = anIterator.Value();
    if (aTextureLabel.IsAttribute( GetTextureGUID())) {
      TDF_Label anIDLabel = aTextureLabel.FindChild(TEXTURE_LABEL_ID, Standard_False);
      Handle(TDataStd_Integer) anIdAttr;
      if(!anIDLabel.IsNull() && anIDLabel.FindAttribute(TDataStd_Integer::GetID(), anIdAttr))
        id_list.push_back((int)anIdAttr->Get());
    }
  }
  return id_list;
}

//===========================================================================
//                     Internal functions
//===========================================================================

//=============================================================================
/*!
 *  ProcessFunction: Dump fucntion description into script
 */
//=============================================================================
bool ProcessFunction(Handle(GEOM_Function)&     theFunction,
                     TCollection_AsciiString&   theScript,
                     TCollection_AsciiString&   theAfterScript,
                     const TVariablesList&      theVariables,
                     const bool                 theIsPublished,
                     TDF_LabelMap&              theProcessed,
                     std::set<std::string>&     theIgnoreObjs,
                     bool&                      theIsDumpCollected)
{
  theIsDumpCollected = false;
  if (theFunction.IsNull()) return false;

  if (theProcessed.Contains(theFunction->GetEntry())) return false;

  // pass functions, that depends on nonexisting ones
  bool doNotProcess = false;
  TDF_LabelSequence aSeq;
  theFunction->GetDependency(aSeq);
  Standard_Integer aLen = aSeq.Length();
  for (Standard_Integer i = 1; i <= aLen && !doNotProcess; i++) {
    TDF_Label aRefLabel = aSeq.Value(i);
    Handle(TDF_Reference) aRef;
    if (!aRefLabel.FindAttribute(TDF_Reference::GetID(), aRef)) {
      doNotProcess = true;
    }
    else {
      if (aRef.IsNull() || aRef->Get().IsNull()) {
        doNotProcess = true;
      }
      else {
        Handle(TDataStd_TreeNode) aT;
        if (!TDataStd_TreeNode::Find(aRef->Get(), aT)) {
          doNotProcess = true;
        }
        else {
          TDF_Label aDepLabel = aT->Label();
          Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(aDepLabel);

          if (aFunction.IsNull()) doNotProcess = true;
          else if (!theProcessed.Contains(aDepLabel)) doNotProcess = true;
        }
      }
    }
  }

  if (doNotProcess) {
    TCollection_AsciiString anObjEntry;
    TDF_Tool::Entry(theFunction->GetOwnerEntry(), anObjEntry);
    theIgnoreObjs.insert(anObjEntry.ToCString());
    return false;
  }
  theProcessed.Add(theFunction->GetEntry());

  TCollection_AsciiString aDescr = theFunction->GetDescription();
  if(aDescr.Length() == 0) return false;

  //Check if its internal function which doesn't requires dumping
  if(aDescr == "None") return false;

  // 0020001 PTv, check for critical functions, which requier dump of objects
  if (theIsPublished)
  {
    // currently, there is only one function "RestoreSubShapes",
    // later this check could be replaced by iterations on list of such functions
    if (aDescr.Search( "RestoreSubShapes" ) != -1)
      theIsDumpCollected = true;
  }

  //Replace parameter by notebook variables
  ReplaceVariables(aDescr,theVariables);
  if ( theIsDumpCollected ) {
    int i = 1;
    bool isBefore = true;
    TCollection_AsciiString aSubStr = aDescr.Token("\n\t", i++);
    while (!aSubStr.IsEmpty()) {
      if (isBefore && aSubStr.Search( "RestoreSubShapes" ) == -1)
        theScript += TCollection_AsciiString("\n\t") + aSubStr;
      else
        theAfterScript += TCollection_AsciiString("\n\t") + aSubStr;
      aSubStr = aDescr.Token("\n\t", i++);
    }
  }
  else {
    theScript += "\n\t";
    theScript += aDescr;
  }
  return true;
}

//=============================================================================
/*!
 *  FindEntries: Returns a sequence of start/end positions of entries in the string
 */
//=============================================================================
Handle(TColStd_HSequenceOfInteger) FindEntries(TCollection_AsciiString& theString)
{
  Handle(TColStd_HSequenceOfInteger) aSeq = new TColStd_HSequenceOfInteger;
  Standard_Integer aLen = theString.Length();
  Standard_Boolean isFound = Standard_False;

  const char* arr = theString.ToCString();
  Standard_Integer i = 0, j;

  while(i < aLen) {
    int c = (int)arr[i];
    j = i+1;
    if(c >= 48 && c <= 57) { //Is digit?

      isFound = Standard_False;
      while((j < aLen) && ((c >= 48 && c <= 57) || c == 58) ) { //Check if it is an entry
        c = (int)arr[j++];
        if(c == 58) isFound = Standard_True;
      }

      if(isFound && arr[j-2] != 58) { // last char should be a diggit
        aSeq->Append(i+1); // +1 because AsciiString starts from 1
        aSeq->Append(j-1);
      }
    }

    i = j;
  }

  return aSeq;
}

//=============================================================================
/*!
 *  ReplaceVariables: Replace parameters of the function by variales from 
 *                    Notebook if need
 */
//=============================================================================
void ReplaceVariables(TCollection_AsciiString& theCommand, 
                      const TVariablesList&    theVariables)
{
  if (MYDEBUG)
    cout<<"Command : "<<theCommand<<endl;

  if (MYDEBUG) {
    cout<<"All Entries:"<<endl;
    TVariablesList::const_iterator it = theVariables.begin();
    for(;it != theVariables.end();it++)
      cout<<"\t'"<<(*it).first<<"'"<<endl;
  }

  //Additional case - multi-row commands
  int aCommandIndex = 1;
  while( aCommandIndex < 10 ) { // tmp check
    TCollection_AsciiString aCommand = theCommand.Token("\n",aCommandIndex);
    if( aCommand.Length() == 0 )
      break;

    if (MYDEBUG)
      cout<<"Sub-command : "<<aCommand<<endl;

    Standard_Integer aStartCommandPos = theCommand.Location(aCommand,1,theCommand.Length());
    Standard_Integer aEndCommandPos = aStartCommandPos + aCommand.Length();

    //Get Entry of the result object
    TCollection_AsciiString anEntry;
    if( aCommand.Search("=") != -1 ) // command returns an object
      anEntry = aCommand.Token("=",1);
    else { // command modifies the object
      if (int aStartEntryPos = aCommand.Location(1,'(',1,aCommand.Length()))
        if (int aEndEntryPos = aCommand.Location(1,',',aStartEntryPos,aCommand.Length()))
          anEntry = aCommand.SubString(aStartEntryPos+1, aEndEntryPos-1);
    }
    //Remove white spaces
    anEntry.RightAdjust();
    anEntry.LeftAdjust();
    if(MYDEBUG)
      cout<<"Result entry : '" <<anEntry<<"'"<<endl;

    if ( anEntry.IsEmpty() ) {
      aCommandIndex++;
      continue;
    }

    //Check if result is list of entries - enough to get the first entry in this case
    int aNbEntries = 1;
    if( anEntry.Value( 1 ) == O_SQR_BRACKET && anEntry.Value( anEntry.Length() ) == C_SQR_BRACKET ) {
      while(anEntry.Location(aNbEntries,COMMA,1,anEntry.Length()))
        aNbEntries++;
      TCollection_AsciiString aSeparator(COMMA);
      anEntry = anEntry.Token(aSeparator.ToCString(),1);
      anEntry.Remove( 1, 1 );
      anEntry.RightAdjust();
      anEntry.LeftAdjust();
      if(MYDEBUG)
        cout<<"Sub-entry : '" <<anEntry<<"'"<<endl;
    }
    
    //Find variables used for object construction
    ObjectStates* aStates = 0;
    TVariablesList::const_iterator it = theVariables.find(anEntry);
    if( it != theVariables.end() )
      aStates = (*it).second;

    if(!aStates) {
      if(MYDEBUG)
        cout<<"Valiables list empty!!!"<<endl;
      aCommandIndex++;
      continue;
    }

    TState aVariables = aStates->GetCurrectState();

    if(MYDEBUG) {
      cout<<"Variables from SObject:"<<endl;
      for (int i = 0; i < aVariables.size();i++)
        cout<<"\t Variable["<<i<<"] = "<<aVariables[i].myVariable<<endl;
    }

    //Calculate total number of parameters
    Standard_Integer aTotalNbParams = 1;
    while(aCommand.Location(aTotalNbParams,COMMA,1,aCommand.Length()))
      aTotalNbParams++;

    if(MYDEBUG)
      cout<<"aTotalNbParams = "<<aTotalNbParams<<endl;

    Standard_Integer aFirstParam = aNbEntries;

    //Replace parameters by variables
    Standard_Integer aStartPos = 0;
    Standard_Integer aEndPos = 0;
    int iVar = 0;
    TCollection_AsciiString aVar, aReplacedVar;
    for(Standard_Integer i=aFirstParam;i <= aTotalNbParams;i++) {
      //Replace first parameter (bettwen '(' character and first ',' character)
      if(i == aFirstParam)
      {
        aStartPos = aCommand.Location(O_BRACKET, 1, aCommand.Length()) + 1;
        if(aTotalNbParams - aNbEntries > 0 )
          aEndPos = aCommand.Location(aFirstParam, COMMA, 1, aCommand.Length());
        else
          aEndPos = aCommand.Location(C_BRACKET, 1, aCommand.Length()); 
      }
      //Replace last parameter (bettwen ',' character and ')' character)
      else if(i == aTotalNbParams)
      {
        aStartPos = aCommand.Location(i-1, COMMA, 1, aCommand.Length()) + 2;
        aEndPos = aCommand.Location(C_BRACKET, 1, aCommand.Length());
      }
      //Replace other parameters (bettwen two ',' characters)
      else if(i != aFirstParam && i != aTotalNbParams )
      {
        aStartPos = aCommand.Location(i-1, COMMA, 1, aCommand.Length()) + 2;
        aEndPos = aCommand.Location(i, COMMA, 1, aCommand.Length());
      }

      if( aCommand.Value( aStartPos ) == O_SQR_BRACKET )
        aStartPos++;
      if( aCommand.Value( aEndPos-1 ) == C_SQR_BRACKET )
        aEndPos--;
      if ( aStartPos == aEndPos )
        continue; // PAL20889: for "[]"

      if(MYDEBUG) 
        cout<<"aStartPos = "<<aStartPos<<", aEndPos = "<<aEndPos<<endl;

      aVar = aCommand.SubString(aStartPos, aEndPos-1);
      aVar.RightAdjust();
      aVar.LeftAdjust();
    
      if(MYDEBUG) 
        cout<<"Variable: '"<< aVar <<"'"<<endl;

      // specific case for sketcher
      if(aVar.Location( TCollection_AsciiString("Sketcher:"), 1, aVar.Length() ) != 0) {
        Standard_Integer aNbSections = 1;
        while( aVar.Location( aNbSections, ':', 1, aVar.Length() ) )
          aNbSections++;
        aNbSections--;

        int aStartSectionPos = 0, aEndSectionPos = 0;
        TCollection_AsciiString aSection, aReplacedSection;
        for(Standard_Integer aSectionIndex = 1; aSectionIndex <= aNbSections; aSectionIndex++) {
          aStartSectionPos = aVar.Location( aSectionIndex, ':', 1, aVar.Length() ) + 1;
          if( aSectionIndex != aNbSections )
            aEndSectionPos = aVar.Location( aSectionIndex + 1, ':', 1, aVar.Length() );
          else
            aEndSectionPos = aVar.Length();

          aSection = aVar.SubString(aStartSectionPos, aEndSectionPos-1);
          if(MYDEBUG) 
            cout<<"aSection: "<<aSection<<endl;

          Standard_Integer aNbParams = 1;
          while( aSection.Location( aNbParams, ' ', 1, aSection.Length() ) )
            aNbParams++;
          aNbParams--;

          int aStartParamPos = 0, aEndParamPos = 0;
          TCollection_AsciiString aParameter, aReplacedParameter;
          for(Standard_Integer aParamIndex = 1; aParamIndex <= aNbParams; aParamIndex++) {
            aStartParamPos = aSection.Location( aParamIndex, ' ', 1, aSection.Length() ) + 1;
            if( aParamIndex != aNbParams )
              aEndParamPos = aSection.Location( aParamIndex + 1, ' ', 1, aSection.Length() );
            else
              aEndParamPos = aSection.Length() + 1;

            aParameter = aSection.SubString(aStartParamPos, aEndParamPos-1);
            if(MYDEBUG) 
              cout<<"aParameter: "<<aParameter<<endl;

            if(iVar >= aVariables.size())
              continue;

            aReplacedParameter = aVariables[iVar].myVariable;
            if(aReplacedParameter.IsEmpty()) {
              iVar++;
              continue;
            }

            if(aVariables[iVar].isVariable) {
              aReplacedParameter.InsertBefore(1,"'");
              aReplacedParameter.InsertAfter(aReplacedParameter.Length(),"'");
            }

            if(MYDEBUG) 
              cout<<"aSection before : "<<aSection<<endl;
            aSection.Remove(aStartParamPos, aEndParamPos - aStartParamPos);
            aSection.Insert(aStartParamPos, aReplacedParameter);
            if(MYDEBUG) 
              cout<<"aSection after  : "<<aSection<<endl<<endl;
            iVar++;
          }
          if(MYDEBUG) 
            cout<<"aVar before : "<<aVar<<endl;
          aVar.Remove(aStartSectionPos, aEndSectionPos - aStartSectionPos);
          aVar.Insert(aStartSectionPos, aSection);
          if(MYDEBUG) 
            cout<<"aVar after  : "<<aVar<<endl<<endl;
        }

        if(MYDEBUG) 
          cout<<"aCommand before : "<<aCommand<<endl;
        aCommand.Remove(aStartPos, aEndPos - aStartPos);
        aCommand.Insert(aStartPos, aVar);
        if(MYDEBUG) 
          cout<<"aCommand after  : "<<aCommand<<endl;

        break;
      } // end of specific case for sketcher

      //If parameter is entry or 'None', skip it
      if(theVariables.find(aVar) != theVariables.end() || aVar.Search(":") != -1 || aVar == PY_NULL)
        continue;

      if(iVar >= aVariables.size())
        continue;

      aReplacedVar = aVariables[iVar].myVariable;
      if(aReplacedVar.IsEmpty()) {
        iVar++;
        continue;
      }

      if(aVariables[iVar].isVariable) {
        aReplacedVar.InsertBefore(1,"\"");
        aReplacedVar.InsertAfter(aReplacedVar.Length(),"\"");
      }

      aCommand.Remove(aStartPos, aEndPos - aStartPos);
      aCommand.Insert(aStartPos, aReplacedVar);
      iVar++;
    }

    theCommand.Remove(aStartCommandPos, aEndCommandPos - aStartCommandPos);
    theCommand.Insert(aStartCommandPos, aCommand);

    aCommandIndex++;

    aStates->IncrementState();
  }

  if (MYDEBUG)
    cout<<"Command : "<<theCommand<<endl;
}

//=============================================================================
/*!
 *  ReplaceEntriesByNames: Replace object entries by their names
 */
//=============================================================================
void ReplaceEntriesByNames (TCollection_AsciiString&                  theScript,
                            Resource_DataMapOfAsciiStringAsciiString& theObjectNames,
                            const bool                                theIsPublished,
                            Resource_DataMapOfAsciiStringAsciiString& theEntryToBadName,
                            TColStd_SequenceOfAsciiString&            theObjListToPublish)
{
  Handle(TColStd_HSequenceOfInteger) aSeq = FindEntries(theScript);
  Standard_Integer aLen = aSeq->Length(), objectCounter = 0, aStart = 1, aScriptLength = theScript.Length();
  Resource_DataMapOfAsciiStringAsciiString aNameToEntry;

  //Replace entries by the names
  TCollection_AsciiString anUpdatedScript, anEntry, aName, aBaseName("geomObj_"),
    allowedChars ("qwertyuioplkjhgfdsazxcvbnmQWERTYUIOPLKJHGFDSAZXCVBNM0987654321_");
  if (aLen == 0) anUpdatedScript = theScript;

  for (Standard_Integer i = 1; i <= aLen; i+=2) {
    anUpdatedScript += theScript.SubString(aStart, aSeq->Value(i)-1);
    anEntry = theScript.SubString(aSeq->Value(i), aSeq->Value(i+1));
    theObjListToPublish.Append( anEntry );
    if (theObjectNames.IsBound(anEntry)) {
      aName = theObjectNames.Find(anEntry);
      // check validity of aName
      bool isValidName = true;
      if ( aName.IsIntegerValue() ) { // aName must not start with a digit
        aName.Insert( 1, 'a' );
        isValidName = false;
      }
      int p, p2=1; // replace not allowed chars
      while ((p = aName.FirstLocationNotInSet(allowedChars, p2, aName.Length()))) {
        aName.SetValue(p, '_');
        p2=p;
        isValidName = false;
      }
      if ( aNameToEntry.IsBound( aName ) && anEntry != aNameToEntry( aName ))
      {  // diff objects have same name - make a new name by appending a digit
        TCollection_AsciiString aName2;
        Standard_Integer i = 0;
        do {
          aName2 = aName + "_" + ++i;
        } while ( aNameToEntry.IsBound( aName2 ) && anEntry != aNameToEntry( aName2 ));
        aName = aName2;
        isValidName = false;
      }
      if ( !isValidName ) {
        if ( theIsPublished )
          theEntryToBadName.Bind( anEntry, theObjectNames.Find(anEntry) );
        theObjectNames( anEntry ) = aName;
      }
    }
    else {
      do {
        aName = aBaseName + TCollection_AsciiString(++objectCounter);
      } while(aNameToEntry.IsBound(aName));
      theObjectNames.Bind(anEntry, aName);
    }
    aNameToEntry.Bind(aName, anEntry); // to detect same name of diff objects

    anUpdatedScript += aName;
    aStart = aSeq->Value(i+1) + 1;
  }

  //Add final part of the script
  if (aLen && aSeq->Value(aLen) < aScriptLength)
    anUpdatedScript += theScript.SubString(aSeq->Value(aLen)+1, aScriptLength); // mkr : IPAL11865

  theScript = anUpdatedScript;
}

//=============================================================================
/*!
 *  AddObjectColors: Add color to objects
 */
//=============================================================================
void AddObjectColors (int                                             theDocID,
                      TCollection_AsciiString&                        theScript,
                      const Resource_DataMapOfAsciiStringAsciiString& theObjectNames)
{
  GEOM_Engine* engine = GEOM_Engine::GetEngine();
  Handle(TDocStd_Document) aDoc = engine->GetDocument(theDocID);

  Resource_DataMapIteratorOfDataMapOfAsciiStringAsciiString anEntryToNameIt;
  for (anEntryToNameIt.Initialize( theObjectNames );
       anEntryToNameIt.More();
       anEntryToNameIt.Next())
  {
    const TCollection_AsciiString& aEntry = anEntryToNameIt.Key();
    const TCollection_AsciiString& aName = anEntryToNameIt.Value();

    TDF_Label L;
    TDF_Tool::Label( aDoc->GetData(), aEntry, L );
    if ( L.IsNull() )
      continue;

    Handle(GEOM_Object) obj = GEOM_Object::GetObject( L );
    if ( obj.IsNull() )
      continue;

    bool anAutoColor = obj->GetAutoColor();
    if ( anAutoColor )
    {
      TCollection_AsciiString aCommand( "\n\t" );
      aCommand += aName + ".SetAutoColor(1)";
      theScript += aCommand.ToCString();
    }

    SALOMEDS::Color aColor = obj->GetColor();
    if ( aColor.R >= 0 && aColor.G >= 0 && aColor.B >= 0 )
    {
      TCollection_AsciiString aCommand( "\n\t" );
      aCommand += aName + ".SetColor(SALOMEDS.Color(" + aColor.R + "," + aColor.G + "," + aColor.B + "))";
      theScript += aCommand.ToCString();
    }
    
    Aspect_TypeOfMarker aMarkerType = obj->GetMarkerType();
    if (aMarkerType >= Aspect_TOM_POINT && aMarkerType < Aspect_TOM_USERDEFINED) {
      TCollection_AsciiString aCommand( "\n\t" );
      aCommand += aName + ".SetMarkerStd(";
      switch (aMarkerType) {
      case Aspect_TOM_POINT:   aCommand += "GEOM.MT_POINT";   break;
      case Aspect_TOM_PLUS:    aCommand += "GEOM.MT_PLUS";    break;
      case Aspect_TOM_STAR:    aCommand += "GEOM.MT_STAR";    break;
      case Aspect_TOM_O:       aCommand += "GEOM.MT_O";       break;
      case Aspect_TOM_X:       aCommand += "GEOM.MT_X";       break;
      case Aspect_TOM_O_POINT: aCommand += "GEOM.MT_O_POINT"; break;
      case Aspect_TOM_O_PLUS:  aCommand += "GEOM.MT_O_PLUS";  break;
      case Aspect_TOM_O_STAR:  aCommand += "GEOM.MT_O_STAR";  break;
      case Aspect_TOM_O_X:     aCommand += "GEOM.MT_O_X";     break;
      case Aspect_TOM_BALL:    aCommand += "GEOM.MT_BALL";    break;
      case Aspect_TOM_RING1:   aCommand += "GEOM.MT_RING1";   break;
      case Aspect_TOM_RING2:   aCommand += "GEOM.MT_RING2";   break;
      case Aspect_TOM_RING3:   aCommand += "GEOM.MT_RING3";   break;
      default:                 aCommand += "GEOM.MT_NONE";    break; // just for completeness, should not get here
      }
      aCommand += ", ";
      int aSize = (int)( obj->GetMarkerSize()/0.5 ) - 1;
      switch (aSize) {
      case  1: aCommand += "GEOM.MS_10";   break;
      case  2: aCommand += "GEOM.MS_15";   break;
      case  3: aCommand += "GEOM.MS_20";   break;
      case  4: aCommand += "GEOM.MS_25";   break;
      case  5: aCommand += "GEOM.MS_30";   break;
      case  6: aCommand += "GEOM.MS_35";   break;
      case  7: aCommand += "GEOM.MS_40";   break;
      case  8: aCommand += "GEOM.MS_45";   break;
      case  9: aCommand += "GEOM.MS_50";   break;
      case 10: aCommand += "GEOM.MS_55";   break;
      case 11: aCommand += "GEOM.MS_60";   break;
      case 12: aCommand += "GEOM.MS_65";   break;
      case 13: aCommand += "GEOM.MS_70";   break;
      default: aCommand += "GEOM.MS_NONE"; break;
      }
      aCommand += ")";
      theScript += aCommand.ToCString();
    }
    else if (aMarkerType == Aspect_TOM_USERDEFINED) {
      int aMarkerTextureID = obj->GetMarkerTexture();
      if (aMarkerTextureID >= 0) {
        TCollection_AsciiString aCommand( "\n\t" );
        aCommand += aName + ".SetMarkerTexture(texture_map[";
        aCommand += aMarkerTextureID;
        aCommand += "])";
        theScript += aCommand.ToCString();
      }
    }
  }
}

static TCollection_AsciiString pack_data(const Handle(TDataStd_HArray1OfByte)& aData )
{
  TCollection_AsciiString stream;
  if (!aData.IsNull()) {
    for (Standard_Integer i = aData->Lower(); i <= aData->Upper(); i++) {
      Standard_Byte byte = aData->Value(i);
      TCollection_AsciiString strByte = "";
      for (int j = 0; j < 8; j++)
        strByte.Prepend((byte & (1<<j)) ? "1" : "0");
      stream += strByte;
    }
  }
  return stream;
}

void AddTextures (int theDocID, TCollection_AsciiString& theScript)
{
  GEOM_Engine* engine = GEOM_Engine::GetEngine();
  std::list<int> allTextures = engine->getAllTextures(theDocID);
  std::list<int>::const_iterator it;

  if (allTextures.size() > 0) {
    theScript += "\n\ttexture_map = {}\n";
    
    for (it = allTextures.begin(); it != allTextures.end(); ++it) {
      if (*it <= 0) continue;
      Standard_Integer aWidth, aHeight;
      TCollection_AsciiString aFileName;
      Handle(TDataStd_HArray1OfByte) aTexture = engine->getTexture(theDocID, *it, aWidth, aHeight, aFileName);
      if (aWidth > 0 && aHeight > 0 && !aTexture.IsNull() && aTexture->Length() > 0 ) {
        TCollection_AsciiString aCommand = "\n\t";
        aCommand += "texture_map["; aCommand += *it; aCommand += "] = ";
        if (aFileName != "" ) {
          aCommand += "geompy.LoadTexture(\"";
          aCommand += aFileName.ToCString();
          aCommand += "\")";
        }
        else {
          aCommand += "geompy.AddTexture(";
          aCommand += aWidth; aCommand += ", "; aCommand += aHeight; aCommand += ", \"";
          aCommand += pack_data(aTexture);
          aCommand += "\")";
        }
        theScript += aCommand;
      }
    }
    theScript += "\n";
  }
}

//=============================================================================
/*!
 *  PublishObject: publish object in study script
 */
//=============================================================================
void PublishObject (const TCollection_AsciiString&                  theEntry,
                    const TCollection_AsciiString&                  theName,
                    const Resource_DataMapOfAsciiStringAsciiString& theObjectNames,
                    const Resource_DataMapOfAsciiStringAsciiString& theEntry2StEntry,
                    const Resource_DataMapOfAsciiStringAsciiString& theStEntry2Entry,
                    const Resource_DataMapOfAsciiStringAsciiString& theEntryToBadName,
                    std::map< int, std::string >&                   theEntryToCommandMap,
                    std::set<std::string>&                          theMapOfPublished)
{
  if ( !theEntry2StEntry.IsBound( theEntry ))
    return; // was not published
  if ( theMapOfPublished.count(theEntry.ToCString()) )
    return; // aready published
  theMapOfPublished.insert( theEntry.ToCString() );

  TCollection_AsciiString aCommand("\n\tgeompy."), aFatherEntry;

  // find a father entry
  const TCollection_AsciiString& aStudyEntry = theEntry2StEntry( theEntry );
  TCollection_AsciiString aFatherStudyEntry =
    aStudyEntry.SubString( 1, aStudyEntry.SearchFromEnd(":") - 1 );
  if ( theStEntry2Entry.IsBound( aFatherStudyEntry ))
    aFatherEntry = theStEntry2Entry( aFatherStudyEntry );

  // make a command
  if ( !aFatherEntry.IsEmpty() && theObjectNames.IsBound( aFatherEntry )) {
        aCommand += "addToStudyInFather( ";
        aCommand += theObjectNames( aFatherEntry ) + ", ";
  }
  else
    aCommand += "addToStudy( ";
  if ( theEntryToBadName.IsBound( theEntry ))
    aCommand += theName + ", \"" + theEntryToBadName( theEntry ) + "\" )";
  else
    aCommand += theName + ", \"" + theName + "\" )";

  // bind a command to the last digit of the entry
  int tag =
    theEntry.SubString( theEntry.SearchFromEnd(":")+1, theEntry.Length() ).IntegerValue();
  theEntryToCommandMap.insert( std::make_pair( tag, aCommand.ToCString() ));
}

//================================================================================
/*!
 * \brief Constructor
 */
//================================================================================
ObjectStates::ObjectStates()
{
  _dumpstate = 0;
}

//================================================================================
/*!
 * \brief Destructor
 */
//================================================================================
ObjectStates::~ObjectStates()
{
}

//================================================================================
/*!
 * \brief Return current object state
 * \retval state - Object state (vector of notebook variable)
 */
//================================================================================
TState ObjectStates::GetCurrectState() const
{
  if(_states.size() > _dumpstate)
    return _states[_dumpstate];
  return TState();
}

//================================================================================
/*!
 * \brief Add new object state 
 * \param theState - Object state (vector of notebook variable)
 */
//================================================================================
void ObjectStates::AddState(const TState &theState)
{
  _states.push_back(theState);
}

//================================================================================
/*!
 * \brief Increment object state
 */
//================================================================================
void ObjectStates::IncrementState()
{
  _dumpstate++;
}