libtu/setparam.c

   1 /*
   2  * libtu/setparam.c
   3  *
   4  * Copyright (c) Tuomo Valkonen 2005.
   5  *
   6  * You may distribute and modify this library under the terms of either
   7  * the Clarified Artistic License or the GNU LGPL, version 2.1 or later.
   8  */
   9
  10 #include <string.h>
  11
  12 #include "setparam.h"
  13
  14 int libtu_string_to_setparam(const char *str)
  15 {
  16     if(str!=NULL){
  17         if(strcmp(str, "set")==0 || strcmp(str, "true")==0)
  18             return SETPARAM_SET;
  19         else if(strcmp(str, "unset")==0 || strcmp(str, "false")==0)
  20             return SETPARAM_UNSET;
  21         else if(strcmp(str, "toggle")==0)
  22             return SETPARAM_TOGGLE;
  23     }
  24
  25     return SETPARAM_UNKNOWN;
  26 }
  27
  28
  29 bool libtu_do_setparam(int sp, bool val)
  30 {
  31     switch(sp){
  32     case SETPARAM_SET:
  33         return TRUE;
  34     case SETPARAM_UNSET:
  35         return FALSE;
  36     case SETPARAM_TOGGLE:
  37         return (val==FALSE);
  38     default:
  39         return val;
  40     }
  41 }
  42
  43 bool libtu_do_setparam_str(const char *str, bool val)
  44 {
  45     return libtu_do_setparam(libtu_string_to_setparam(str), val);
  46 }
  47
  48
  49 int libtu_setparam_invert(int sp)
  50 {
  51     switch(sp){
  52     case SETPARAM_SET:
  53         return SETPARAM_UNSET;
  54     case SETPARAM_UNSET:
  55         return SETPARAM_SET;
  56     default:
  57         return sp;
  58     }
  59 }
  60