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 // Copyright (c) 1999-2014 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 Interface_Translates_HeaderFile
 #define Interface_Translates_HeaderFile
 
 //  Interface_Translates.hxx
 
 //  This set of macros provides some simple translation formula, i.e.
 //  from a HSequence to an HArray and reverse
 //  Include files for the types of HSequence and HArray1 remain to be called
 //  Other kinds of translations remain to be completely written
 
 //  from HSequence to HArray1 : creates the HArray1 if HSequence not empty
 //  from HArray1 to HSequence : the HSequence must have been already created
 
 //  SeqToArray(seq,arr,TColStd_HArray1OfReal)  will :
 //    consider <seq> input HSequence (here, must be TColStd_HSequenceOfReal)
 //    consider <arr> output HArray1, declared but to be created
 //    do nothing if <seq> is null or empty; else
 //    create <arr> as TColStd_HArrayOfReal(1,seq->Length())
 //    then fill each value of <arr> with the homologous from <seq>
 
 //  SeqToArrayFrom(seq,arr,TColStd_HArray1OfReal,lowind)  will :
 //    consider <lowind> as an Integer (variable or constant) which defines
 //    the desired lower index if different from one
 //    do the same thing as SeqToArray if <lowind> equates 1
 //    else fixes lower index of <arr> as <lowind>
 
 //  SeqToArrayCast(seq,arr,Interface_HArray1OfHAsciiString,TCollection_HAsciiString)  will :
 //    do as SeqToArray, but array values are Handles to be casted
 //      (if <seq> does not work with the same type, e.g. Standard_Transient)
 //    fill array value by the result of DownCast of the type <typent>
 
 //  ArrayToSeq(arr,seq) will fill <seq> a sequence with the items of <arr> a
 //  HArray1. <seq> and <arr> are already created (<seq> can be empty or not)
 //  Items from <arr> are considered as compatible with items from <seq>
 //    (no DownCast required for Handles)
 
 
 #define SeqToArrayFrom(seq,arr,typarr,lowind) \
 if (!seq.IsNull()) {\
     Standard_Integer numseq, lenseq = seq->Length();\
     if (lenseq > 0) {\
       arr = new typarr (lowind,lenseq+1-lowind);\
       for (numseq = 1; numseq <= lenseq; numseq ++)\
     arr->SetValue (numseq+1-lowind, seq->Value(numseq));\
     }\
   }
 
 #define SeqToArray(seq,arr,typarr) \
   if (!seq.IsNull()) {\
     Standard_Integer numseq, lenseq = seq->Length();\
     if (lenseq > 0) {\
       arr = new typarr (1,lenseq);\
       for (numseq = 1; numseq <= lenseq; numseq ++)\
     arr->SetValue (numseq, seq->Value(numseq));\
     }\
   }
 
 #define SeqToArrayCast(seq,arr,typarr,typent) \
   if (!seq.IsNull()) {\
     Standard_Integer numseq, lenseq = seq->Length();\
     if (lenseq > 0) {\
       arr = new typarr (1,lenseq);\
       for (numseq = 1; numseq <= lenseq; numseq ++)\
     arr->SetValue (numseq, Handle(typent)::DownCast(seq->Value(numseq)));\
     }\
   }
 
 #define ArrayToSeq (arr,seq)\
   {\
     Standard_Integer nument, numlow = arr->Lower() , numup = arr->Upper();\
     for (nument = numlow; nument <= numup; nument ++)\
       seq->Append(arr->Value(nument));\
   }
 
 #endif

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