GmCfgFile.hpp

#ifndef GMCFGFILE_HPP_
#define GMCFGFILE_HPP_
 
#define     MAX_APP_PATH_LN            32
#define     MAX_GEO_CFG_PATH_LN        MAX_APP_PATH_LN
#define     MAX_GEO_DATA_PATH_LN       MAX_APP_PATH_LN
 
#define     GM_CONFIG_OK               0
#define     GM_CONFIG_FAIL             1
#define     GM_CONFIG_BAD_FILE         2
#define     GM_CONFIG_BAD_FILE_ENTRY   3
#define     GM_CONFIG_MISSING_ENTRY    4
#define     GM_CONFIG_NOT_FOUND        5
#define     GM_CONFIG_INVALID_PARAMS   6
#define     GM_CONFIG_NO_MEMORY        7
 
namespace Geometrics
{
   // Simple config files - string key/value
   class GmConfigFile
   {
   public:
      GmConfigFile  ();
      ~GmConfigFile ();
 
      virtual int LoadConfigs     () { return 0;};
 
 
      #if (GEO_SDCARD ==  GEO_TRUE)||(GEO_USB_STORAGE == GEO_TRUE)
      static int LoadConfigsFromFile     (const char         *szConfigFileName);
 
      static int CountLines              (const char   *szConfigFileName,
                                   int          *piLineCount);
      static int LoadAllStrings   (const char   *szConfigFileName,
                                   char       ***pppcListOfStrings,
                                   int           iExtrasToAllocate,
                                   int          *piLineCount,
                                   int          *piAllocated);
 
      static int SaveAllStrings          (const char   *szConfigFileName,
                                   char        **pppcListOfStrings,
                                   int           iExtrasToAllocate,
                                   int           iCountStrings);
 
      static int GetConfigString  (char         *dest,
                                   const char   *key,
                                   const char   *szConfigFileName,
                                   const int     iBufferSize,
                                   int          *iCharsCopied);
      static int SetConfigString  (const char   *key,
                                   const char   *value,
                                   const char   *szConfigFileName);
 
      /************************************************************
       * Get SingleString and SetSingleString are for config files
       * that only have one value, and no key, i.e. special, single
       * use files.  This is for performance purposes.
       ***********************************************************/
      static int GetSingleString  (char         *dest,
                                   const char   *szConfigFileName,
                                   const int     iBufferSize,
                                   int          *iCharsCopied);
      static int SetSingleString  (const char   *value,
                                   const char   *szConfigFileName);
      static int GetConfigInt32   (Int32        *iDest,
                                   const char   *szKey,
                                   const char   *szConfigFileName);
      static int GetSingleInt32   (Int32        *iDest,
                                   const char   *szConfigFileName);
      static int GetConfigUint32  (uint32_t     *iDest,
                                   const char   *szKey,
                                   const char   *szConfigFileName);
 
//      static int ResetConfig             ();
//      static int SetStartupConfigFile    (char         *szConfigFileName);
      static int SaveConfigsToFile       (char        **ppcStrings,
                                          int           iConfigCount,
                                          char         *szConfigFileName);
      static int GetStrConfigValue(char* szKey,
         char** ppcValue);
      static int SetStrConfigValue(char* szKey,
         char* szValue);
 
#endif
      static void DeleteListOfStrings (char **ppcListOfStrings,
                                       int    iListSize);
 
      protected:
      static int SetValue         (const char     *strKey,
                                   const char     *strValue,
                                   char          **ppcStrings,
                                   int             iStringCount);
 
      //virtual int   IsFileStorage() { return FALSE; };
      virtual int   IsDataStorage    () { return FALSE; };
 
   };
}
#endif