CH/CH_LocalValue.h

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/*
// PROPRIETARY INFORMATION.  This software is proprietary to
// Side Effects Software Inc., and is not to be reproduced,
// transmitted, or disclosed in any way without written permission.
//
// Produced by:
//      Mark Elendt
//      Side Effects Software Inc.
//      20 Maud St.
//      Toronto, Ontario,  M5V 2M5
//      Canada
//      416-366-4607
//
// NAME:        Channel Library (C++)
//
// COMMENTS:    Value class for local variable values.
//
*/

#ifndef __CH_LocalValue_h__
#define __CH_LocalValue_h__

#include "CH_API.h"

class CH_API CH_LocalValue
{
public:
    CH_LocalValue(float val = 0) { value.val = val; }
    CH_LocalValue(void *ptr) { value.ptr = ptr; }
    CH_LocalValue(char *str) { value.str = str; }

    float        getFloat()  const { return value.val; }
    void        *getData()   const { return value.ptr; }
    char        *getString() const { return value.str; }

    CH_LocalValue       &operator=(const CH_LocalValue &d)
                         {
                            value.ptr = d.value.ptr;
                            return *this;
                         }
    float                operator=(float f) { value.val = f; return f; }
    char                *operator=(char *s) { value.str = s; return s; }
    void                *operator=(void *v) { value.ptr = v; return v; }
    unsigned             operator==(const CH_LocalValue &d)
                         {
                            return (value.ptr == d.value.ptr);
                         }

    // Public data
    union {
        void    *ptr;
        char    *str;
        float    val;
    } value;
};

#endif

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