prefs.hpp

一个嵌入式系统的C代码

//*************************************************************************
//  MODULE : System Initialization Parameters support module              *
//  AUTHOR : Ron Chernich                                                 *
//  PURPOSE: Define function protos and any constants                     *
//  HISTORY:                                                              *
//   21-MAR-95  First Version (MS Visual C++ 1.5)                         *
//*************************************************************************


#ifndef _INI_PREFS_

  #include <fstream.h>
  #include <string.h>
  #include <stdlib.h>
  #include <ctype.h>
  #include "rcos.hpp"

  //////////////////////
  // define the constants which identify the private preferences file
  // and the user selectable variables..
  //
  #define PREFS_NAME    "rcos.ini"
  #define PREFS_TTYS    "terminals"
  #define PREFS_QUAN    "quantum"
  #define PREFS_VIEW    "display"
  
  #define SPACE         ' '
  #define MAX_PREF      128
  #define PREFS_MODE    (ios::in | ios::nocreate )

  //////////////////
  // Borland and MS have different ways of testing for an open stream..
  //
  #if defined(MSC700)
    #define __OPEN_TEST (ini.is_open() ? TRUE : FALSE)
  #endif

  // BC31 not tested yet
  #if defined(BC20) || defined (BC31)
    #define __OPEN_TEST ((ini.rdbuf())->is_open() ? TRUE : FALSE)
  #endif

  #ifdef UNIX
	#define __OPEN_TEST (ini.is_open() ? TRUE : FALSE )
  #endif

  ////////////////
  // A class to hold private INI file data
  //
  class Preferences {
    ifstream ini;
    BOOL bOpen;
    char *pBuffer;
    char *FindKey (const char*);
  public:
    Preferences (void);
   ~Preferences (void);
    UINT16 GetPrefInt (const char*, UINT16);
    UINT16 GetPrefStr (const char*, const char*, char*, UINT16);
  };

  #define _INI_PREFS_

#endif

///////////////////////////////// EOF //////////////////////////////////////