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 // Created on: 2001-09-26
 // Created by: Michael KLOKOV
 // Copyright (c) 2001-2014 OPEN CASCADE SAS
 //
 // This file is part of Open CASCADE Technology software library.
 //
 // This library is free software; you can redistribute it and/or modify it under
 // the terms of the GNU Lesser General Public License version 2.1 as published
 // by the Free Software Foundation, with special exception defined in the file
 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
 // distribution for complete text of the license and disclaimer of any warranty.
 //
 // Alternatively, this file may be used under the terms of Open CASCADE
 // commercial license or contractual agreement.
 
 #ifndef _IntTools_MarkedRangeSet_HeaderFile
 #define _IntTools_MarkedRangeSet_HeaderFile
 
 #include <IntTools_CArray1OfReal.hxx>
 #include <TColStd_SequenceOfReal.hxx>
 #include <TColStd_SequenceOfInteger.hxx>
 
 class IntTools_Range;
 
 //! class MarkedRangeSet provides continuous set of ranges marked with flags
 class IntTools_MarkedRangeSet
 {
 public:
   DEFINE_STANDARD_ALLOC
 
   //! Empty constructor
   Standard_EXPORT IntTools_MarkedRangeSet();
 
   //! build set of ranges which consists of one range with
   //! boundary values theFirstBoundary and theLastBoundary
   Standard_EXPORT IntTools_MarkedRangeSet(const Standard_Real    theFirstBoundary,
                                           const Standard_Real    theLastBoundary,
                                           const Standard_Integer theInitFlag);
 
   //! Build set of ranges based on the array of progressive sorted values
   //!
   //! Warning:
   //! The constructor do not check if the values of array are not sorted
   //! It should be checked before function invocation
   Standard_EXPORT IntTools_MarkedRangeSet(const TColStd_Array1OfReal& theSortedArray,
                                           const Standard_Integer      theInitFlag);
 
   //! build set of ranges which consists of one range with
   //! boundary values theFirstBoundary and theLastBoundary
   Standard_EXPORT void SetBoundaries(const Standard_Real    theFirstBoundary,
                                      const Standard_Real    theLastBoundary,
                                      const Standard_Integer theInitFlag);
 
   //! Build set of ranges based on the array of progressive sorted values
   //!
   //! Warning:
   //! The function do not check if the values of array are not sorted
   //! It should be checked before function invocation
   Standard_EXPORT void SetRanges(const TColStd_Array1OfReal& theSortedArray,
                                  const Standard_Integer      theInitFlag);
 
   //! Inserts a new range marked with flag theFlag
   //! It replace the existing ranges or parts of ranges
   //! and their flags.
   //! Returns True if the range is inside the initial boundaries,
   //! otherwise or in case of some error returns False
   Standard_EXPORT Standard_Boolean InsertRange(const Standard_Real    theFirstBoundary,
                                                const Standard_Real    theLastBoundary,
                                                const Standard_Integer theFlag);
 
   //! Inserts a new range marked with flag theFlag
   //! It replace the existing ranges or parts of ranges
   //! and their flags.
   //! Returns True if the range is inside the initial boundaries,
   //! otherwise or in case of some error returns False
   Standard_EXPORT Standard_Boolean InsertRange(const IntTools_Range&  theRange,
                                                const Standard_Integer theFlag);
 
   //! Inserts a new range marked with flag theFlag
   //! It replace the existing ranges or parts of ranges
   //! and their flags.
   //! The index theIndex is a position where the range will be inserted.
   //! Returns True if the range is inside the initial boundaries,
   //! otherwise or in case of some error returns False
   Standard_EXPORT Standard_Boolean InsertRange(const Standard_Real    theFirstBoundary,
                                                const Standard_Real    theLastBoundary,
                                                const Standard_Integer theFlag,
                                                const Standard_Integer theIndex);
 
   //! Inserts a new range marked with flag theFlag
   //! It replace the existing ranges or parts of ranges
   //! and their flags.
   //! The index theIndex is a position where the range will be inserted.
   //! Returns True if the range is inside the initial boundaries,
   //! otherwise or in case of some error returns False
   Standard_EXPORT Standard_Boolean InsertRange(const IntTools_Range&  theRange,
                                                const Standard_Integer theFlag,
                                                const Standard_Integer theIndex);
 
   //! Set flag theFlag for range with index theIndex
   Standard_EXPORT void SetFlag(const Standard_Integer theIndex, const Standard_Integer theFlag);
 
   //! Returns flag of the range with index theIndex
   Standard_EXPORT Standard_Integer Flag(const Standard_Integer theIndex) const;
 
   //! Returns index of range which contains theValue.
   //! If theValue do not belong any range returns 0.
   Standard_EXPORT Standard_Integer GetIndex(const Standard_Real theValue) const;
 
   Standard_EXPORT const TColStd_SequenceOfInteger& GetIndices(const Standard_Real theValue);
 
   //! Returns index of range which contains theValue
   //! If theValue do not belong any range returns 0.
   //! If UseLower is Standard_True then lower boundary of the range
   //! can be equal to theValue, otherwise upper boundary of the range
   //! can be equal to theValue.
   Standard_EXPORT Standard_Integer GetIndex(const Standard_Real    theValue,
                                             const Standard_Boolean UseLower) const;
 
   //! Returns number of ranges
   Standard_Integer Length() const { return myRangeNumber; }
 
   //! Returns the range with index theIndex.
   //! the Index can be from 1 to Length()
   Standard_EXPORT IntTools_Range Range(const Standard_Integer theIndex) const;
 
 private:
   TColStd_SequenceOfReal    myRangeSetStorer;
   Standard_Integer          myRangeNumber;
   TColStd_SequenceOfInteger myFlags;
   TColStd_SequenceOfInteger myFoundIndices;
 };
 
 #endif // _IntTools_MarkedRangeSet_HeaderFile

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