ensightFile.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2011-2015 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    OpenFOAM 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 General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
Class
    Foam::ensightFile
 
Description
    Ensight output with specialized write() for strings, integers and floats.
    Correctly handles binary write as well.
 
\*---------------------------------------------------------------------------*/
 
#ifndef ensightFile_H
#define ensightFile_H
 
#include "OFstream.H"
#include "IOstream.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                        Class ensightFile Declaration
\*---------------------------------------------------------------------------*/
 
class ensightFile
:
    public OFstream
{
    // Private data
 
        //- Allow undef in results
        static bool allowUndef_;
 
        //- Value to represent undef in results
        static scalar undefValue_;
 
        //- The '*' mask appropriate for subDir
        static string mask_;
 
        //- The printf format for zero-padded subdirectory numbers
        static string dirFmt_;
 
 
    // Private Member Functions
 
        //- Disallow default bitwise assignment
        void operator=(const ensightFile&);
 
        //- Disallow default copy constructor
        ensightFile(const ensightFile&);
 
 
public:
 
    // Constructors
 
        //- Construct from pathname
        ensightFile
        (
            const fileName& pathname,
            IOstream::streamFormat format=IOstream::BINARY
        );
 
 
    //- Destructor
    ~ensightFile();
 
 
    // Access
 
        //- Return setting for whether 'undef' values are allowed in results
        static bool allowUndef();
 
        //- The '*' mask appropriate for subDir
        static string mask();
 
        //- Consistent zero-padded numbers for subdirectories
        static string subDir(const label);
 
        //- Set width of subDir and mask. Default width is 8 digits.
        //  Max width is 31 digits.
        static void subDirWidth(const label);
 
        //- Return current width of subDir and mask.
        static label subDirWidth();
 
 
    // Edit
 
        static bool allowUndef(bool);
 
        //- Assign the value to represent undef in the results
        //  Returns the previous value
        //  NB: do not use values larger than floatScalarVGREAT
        static scalar undefValue(const scalar);
 
 
    // Output
 
        //- Inherit write from Ostream
        using Ostream::write;
 
        //- Binary write
        virtual Ostream& write(const char* buf, std::streamsize count);
 
        //- Write element keyword with trailing newline, optionally with undef
        virtual Ostream& writeKeyword(const string& key);
 
        //- Write "C Binary" for binary files (eg, geometry/measured)
        Ostream& writeBinaryHeader();
 
        //- Write undef value
        Ostream& writeUndef();
 
        //- Write C-string as "%80s" or as binary
        Ostream& write(const char* value);
 
        //- Write string as "%80s" or as binary
        Ostream& write(const string& value);
 
        //- Write integer as "%10d" or as binary
        Ostream& write(const label value);
 
        //- Write integer with specified width or as binary
        Ostream& write(const label value, const label fieldWidth);
 
        //- Write float as "%12.5e" or as binary
        Ostream& write(const scalar value);
 
        //- Add carriage return to ascii stream
        void newline();
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //