File: prettyprint.h

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// -*- C++ -*-
/***************************************************************************
 * blitz/prettyprint.h      Format object for pretty-printing of
 *                          array expressions
 *
 * $Id: prettyprint.h 1414 2005-11-01 22:04:59Z cookedm $
 *
 * Copyright (C) 1997-2001 Todd Veldhuizen <tveldhui@oonumerics.org>
 *
 * This code was relicensed under the modified BSD license for use in SciPy
 * by Todd Veldhuizen (see LICENSE.txt in the weave directory).
 *
 *
 * Suggestions:          blitz-dev@oonumerics.org
 * Bugs:                 blitz-bugs@oonumerics.org
 *
 * For more information, please see the Blitz++ Home Page:
 *    http://oonumerics.org/blitz/
 *
 ***************************************************************************/

#ifndef BZ_PRETTYPRINT_H
#define BZ_PRETTYPRINT_H

#include <cstdlib>

BZ_NAMESPACE(blitz)

class prettyPrintFormat {

public:
    prettyPrintFormat(const bool terse = false)
        : tersePrintingSelected_(terse) 
    {
        arrayOperandCounter_ = 0;
        scalarOperandCounter_ = 0;
        dumpArrayShapes_ = false;
    }

    void setDumpArrayShapesMode()  { dumpArrayShapes_ = true; }
    char nextArrayOperandSymbol()  
    { 
        return static_cast<char>('A' + ((arrayOperandCounter_++) % 26)); 
    }
    char nextScalarOperandSymbol() 
    { 
        return static_cast<char>('s' + ((scalarOperandCounter_++) % 26)); 
    }

    bool tersePrintingSelected() const { return tersePrintingSelected_; }
    bool dumpArrayShapesMode()   const { return dumpArrayShapes_; }

private:
    bool tersePrintingSelected_;
    bool dumpArrayShapes_;
    int arrayOperandCounter_;
    int scalarOperandCounter_;
};

BZ_NAMESPACE_END

#endif // BZ_PRETTYPRINT_H