subopt-helper.h

   1 #ifndef MPLAYER_SUBOPT_HELPER_H
   2 #define MPLAYER_SUBOPT_HELPER_H
   3
   4 /**
   5  * \file subopt-helper.h
   6  *
   7  * \brief Datatype and functions declarations for usage
   8  *        of the suboption parser.
   9  *
  10  */
  11
  12 #define OPT_ARG_BOOL 0
  13 #define OPT_ARG_INT  1
  14 #define OPT_ARG_STR  2
  15 #define OPT_ARG_MSTRZ 3 ///< A malloced, zero terminated string, use free()!
  16 #define OPT_ARG_FLOAT 4
  17
  18 typedef int (*opt_test_f)(void *);
  19
  20 /** simple structure for defining the option name, type and storage location */
  21 typedef struct opt_s
  22 {
  23   const char * name; ///< string that identifies the option
  24   int type;    ///< option type as defined in subopt-helper.h
  25   void * valp; ///< pointer to the mem where the value should be stored
  26   opt_test_f test; ///< argument test func ( optional )
  27   int set;     ///< Is set internally by the parser if the option was found.
  28                ///< Don't use it at initialization of your opts, it will be
  29                ///< overriden anyway!
  30 } opt_t;
  31
  32 /** parses the string for the options specified in opt */
  33 int subopt_parse( char const * const str, opt_t * opts );
  34
  35
  36 /*------------------ arg specific types and declaration -------------------*/
  37 typedef struct strarg_s
  38 {
  39   int len; ///< length of the string determined by the parser
  40   char const * str;  ///< pointer to position inside the parse string
  41 } strarg_t;
  42
  43
  44 int int_non_neg( int * i );
  45 int int_pos( int * i );
  46
  47 int strargcmp(strarg_t *arg, const char *str);
  48 int strargcasecmp(strarg_t *arg, char *str);
  49
  50 #endif /* MPLAYER_SUBOPT_HELPER_H */