src/external/3rd/library/perforce/include/options.h

   1 /*
   2  * Copyright 1995, 1996 Perforce Software.  All rights reserved.
   3  *
   4  * This file is part of Perforce - the FAST SCM System.
   5  */
   6
   7
   8 const int N_OPTS = 20;
   9
  10 enum OptFlag {
  11         // Bitwise selectors
  12
  13         OPT_ONE = 0x01,         // exactly one
  14         OPT_TWO = 0x02,         // exactly two
  15         OPT_THREE = 0x04,       // exactly three
  16         OPT_MORE = 0x08,        // more than two
  17         OPT_NONE = 0x10,        // require none
  18         OPT_MAKEONE = 0x20,     // if none, make one that points to null
  19
  20         // combos of the above
  21
  22         OPT_OPT = 0x11,         // NONE, or ONE
  23         OPT_ANY = 0x1F,         // ONE, TWO, THREE, MORE, or NONE
  24         OPT_DEFAULT = 0x2F,     // ONE, TWO, THREE, MORE, or MAKEONE
  25         OPT_SOME = 0x0F         // ONE, TWO, THREE, or MORE
  26 } ;
  27
  28 class Options
  29 {
  30     public:
  31                 Options() { optc = 0; }
  32
  33         void            Parse( int &argc, char **&argv, const char *opts,
  34                                 int flag, const ErrorId &usage, Error *e );
  35
  36         void            Parse( int &argc, StrPtr *&argv, const char *opts,
  37                                 int flag, const ErrorId &usage, Error *e );
  38
  39         StrPtr *        GetValue( char opt, int subopt );
  40
  41         StrPtr *        operator [](char opt) { return GetValue( opt, 0 ); }
  42
  43     private:
  44         int     optc;
  45
  46         char    flags[ N_OPTS ];
  47         StrRef  vals[ N_OPTS ];
  48 } ;
  49