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ImfName.h

///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2002, Industrial Light & Magic, a division of Lucas
// Digital Ltd. LLC
// 
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
// *       Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// *       Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// *       Neither the name of Industrial Light & Magic nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission. 
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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///////////////////////////////////////////////////////////////////////////



#ifndef INCLUDED_IMF_NAME_H
#define INCLUDED_IMF_NAME_H

//-----------------------------------------------------------------------------
//
//    class ImfName -- a zero-terminated string
//    with a fixed, small maximum length
//
//-----------------------------------------------------------------------------

#include <string.h>

namespace Imf {


00052 class Name
{
  public:

    //-------------
    // Constructors
    //-------------

    Name ();
    Name (const char text[]);


    //--------------------
    // Assignment operator
    //--------------------

    Name &        operator = (const char text[]);


    //---------------------
    // Access to the string
    //---------------------

    const char *  text () const           {return _text;}
    const char *  operator * () const     {return _text;}

    //---------------
    // Maximum length
    //---------------

    static const int    SIZE = 32;
    static const int    MAX_LENGTH = SIZE - 1;

  private:

    char          _text[SIZE];
};


bool operator == (const Name &x, const Name &y);
bool operator != (const Name &x, const Name &y);
bool operator < (const Name &x, const Name &y);


//-----------------
// Inline functions
//-----------------

inline Name &
Name::operator = (const char text[])
{
    strncpy (_text, text, MAX_LENGTH);
    return *this;
}


inline
Name::Name ()
{
    _text[0] = 0;
}


inline
Name::Name (const char text[])
{
    *this = text;
    _text [MAX_LENGTH] = 0;
}


inline bool
operator == (const Name &x, const Name &y)
{
    return strcmp (*x, *y) == 0;
}


inline bool
operator != (const Name &x, const Name &y)
{
    return !(x == y);
}


inline bool
operator < (const Name &x, const Name &y)
{
    return strcmp (*x, *y) < 0;
}


} // namespace IMF

#endif

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