evString.h

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/*
 *
 * EVITA: Efficient Visualization of Terascale Datasets
 * Copyright (C) 2000-2016  Team Evita
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Library General Public License for more details.
 * 
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 675 Mass Ave, Cambridge,
 * MA 02139, USA.
 *
 */


#ifndef __evString_h
#define __evString_h


#define EVSTRINGLEN QCCSTRINGLEN

class evString 
{
public:
  evString(void);
  evString(const char *string);
  evString(const evString &string);

  virtual ~evString(void);
  
  virtual const evString GetClassName(void) const
  {
    return(evString("evString"));
  }
  
  void MakeNull(void);
  int IsNull(void) const;

  int Length(void) const;

  char *GetString(void);
  char const *GetString(void) const;
  void SetString(const char *string);

  evString operator = (const evString &string);
  int operator == (const evString &string) const;
  int operator != (const evString &string) const;

  void Sprintf(const char *format, ...);

protected:
  
private:
  char String[EVSTRINGLEN + 1];

};


inline evString::evString(void)
{
  this->MakeNull();
}


inline evString::evString(const char *string)
{
  this->MakeNull();
  this->SetString(string);
}

 
inline evString::evString(const evString &string)
{
  this->MakeNull();
  this->SetString(string.String);
}


inline evString::~evString(void)
{
}


inline void evString::MakeNull(void)
{
  this->String[0] = '\0';
}


inline int evString::IsNull(void) const
{
  return(strlen(this->String) <= 0);
}


inline int evString::Length(void) const
{
  return(strlen(this->String));
}


inline char *evString::GetString(void)
{
  return(this->String);
}


inline const char *evString::GetString(void) const
{
  return(this->String);
}


inline void evString::SetString(const char *string)
{
  if (string == NULL)
    this->MakeNull();
  else
    {
      strncpy(this->String, string, EVSTRINGLEN);
      this->String[QCCSTRINGLEN] = '\0';
    }
}


inline evString evString::operator = (const evString &string)
{
  this->SetString(string.String);

  return(*this);
}


inline int evString::operator == (const evString &string) const
{
  if (!strcmp(this->GetString(), string.GetString()))
    return(1);
  else
    return(0);
}


inline int evString::operator != (const evString &string) const
{
  return(!(*this == string));
}


#endif