subopt-helper.h

   1 /*
   2  * This file is part of MPlayer.
   3  *
   4  * MPlayer is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * MPlayer is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #ifndef MPLAYER_SUBOPT_HELPER_H
  20 #define MPLAYER_SUBOPT_HELPER_H
  21
  22 /**
  23  * \file subopt-helper.h
  24  *
  25  * \brief Datatype and functions declarations for usage
  26  *        of the suboption parser.
  27  *
  28  */
  29
  30 #define OPT_ARG_BOOL 0
  31 #define OPT_ARG_INT  1
  32 #define OPT_ARG_STR  2
  33 #define OPT_ARG_MSTRZ 3 ///< A malloced, zero terminated string, use free()!
  34 #define OPT_ARG_FLOAT 4
  35
  36 typedef int (*opt_test_f)(void *);
  37
  38 /** simple structure for defining the option name, type and storage location */
  39 typedef struct opt_s
  40 {
  41   const char * name; ///< string that identifies the option
  42   int type;    ///< option type as defined in subopt-helper.h
  43   void * valp; ///< pointer to the mem where the value should be stored
  44   opt_test_f test; ///< argument test func ( optional )
  45 } opt_t;
  46
  47 /** parses the string for the options specified in opt */
  48 int subopt_parse( char const * const str, const opt_t * opts );
  49
  50
  51 /*------------------ arg specific types and declaration -------------------*/
  52 typedef struct strarg_s
  53 {
  54   int len; ///< length of the string determined by the parser
  55   char const * str;  ///< pointer to position inside the parse string
  56 } strarg_t;
  57
  58
  59 int int_non_neg(void *iptr);
  60 int int_pos(void *iptr);
  61
  62 int strargcmp(strarg_t *arg, const char *str);
  63 int strargcasecmp(strarg_t *arg, char *str);
  64
  65 #endif /* MPLAYER_SUBOPT_HELPER_H */