// Copyright (C) 2007-2012  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
//

#include "GEOM_PythonDump.hxx"

#include <TDF_Tool.hxx>

#include <TopAbs.hxx>

#include <TColStd_ListOfInteger.hxx>
#include <TColStd_ListIteratorOfListOfInteger.hxx>

namespace GEOM
{
  size_t TPythonDump::myCounter = 0;

  TPythonDump::TPythonDump (Handle(GEOM_Function)& theFunction, bool theAppend)
  {
    myFunction = theFunction;
    myCounter++;
    myAppend = theAppend;
  }

  TPythonDump::~TPythonDump()
  {
    if (--myCounter == 0) {
      TCollection_AsciiString aDescr;
      if ( myAppend ) {
        aDescr = myFunction->GetDescription();
        if ( !aDescr.IsEmpty() ) aDescr += "\n\t";
      }
      std::string aString = myStream.str();
      aDescr += (char *)aString.c_str();
      myFunction->SetDescription( aDescr );
    }
  }

  TPythonDump& TPythonDump::operator<< (bool theArg)
  {
    if (theArg)
      myStream << "True";
    else
      myStream << "False";
    return *this;
  }

  TPythonDump& TPythonDump::operator<< (long int theArg)
  {
    myStream<<theArg;
    return *this;
  }

  TPythonDump& TPythonDump::operator<< (int theArg)
  {
    myStream<<theArg;
    return *this;
  }

  TPythonDump& TPythonDump::operator<< (double theArg)
  {
    myStream.precision(16);
    myStream<<theArg;
    return *this;
  }

  TPythonDump& TPythonDump::operator<< (float theArg)
  {
    myStream.precision(8);
    myStream<<theArg;
    return *this;
  }

  TPythonDump& TPythonDump::operator<< (const void* theArg)
  {
    myStream<<theArg;
    return *this;
  }

  TPythonDump& TPythonDump::operator<< (const char* theArg)
  {
    myStream<<theArg;
    return *this;
  }

  TPythonDump& TPythonDump::operator<< (const TopAbs_ShapeEnum theArg)
  {
    myStream<<"geompy.ShapeType[\"";
    TopAbs::Print(theArg, myStream);
    myStream<<"\"]";
    return *this;
  }

  TPythonDump& TPythonDump::operator<< (const Handle(GEOM_Object)& theObject)
  {
    if (theObject.IsNull()) {
      myStream << "None";
    } else {
      TCollection_AsciiString anEntry;
      TDF_Tool::Entry(theObject->GetEntry(), anEntry);
      myStream << anEntry.ToCString();
    }
    return *this;
  }

  Handle(GEOM_Object) GetCreatedLast(const Handle(GEOM_Object)& theObj1,
                                     const Handle(GEOM_Object)& theObj2)
  {
    if (theObj1.IsNull()) return theObj2;
    if (theObj2.IsNull()) return theObj1;

    TColStd_ListOfInteger aTags1, aTags2;
    TDF_Tool::TagList(theObj1->GetEntry(), aTags1);
    TDF_Tool::TagList(theObj2->GetEntry(), aTags2);
    TColStd_ListIteratorOfListOfInteger aListIter1(aTags1), aListIter2(aTags2);
    for (; aListIter1.More(); aListIter1.Next(), aListIter2.Next()) {
      if (!aListIter2.More())
        return theObj1; // anObj1 is stored under anObj2

      if (aListIter1.Value() > aListIter2.Value())
        return theObj1;
      else if (aListIter1.Value() < aListIter2.Value())
        return theObj2;
    }
    return theObj1;
  }

  Handle(GEOM_Object) GetCreatedLast(const Handle(TColStd_HSequenceOfTransient)& theObjects)
  {
    Handle(GEOM_Object) anObject, aLatest;
    int i, aLen = theObjects->Length();
    if (aLen < 1)
      return aLatest;

    for (i = 1; i <= aLen; i++) {
      anObject = Handle(GEOM_Object)::DownCast(theObjects->Value(i));
      aLatest = GetCreatedLast(aLatest, anObject);
    }
    return aLatest;
  }
}
