tagmanager/args.h

   1 /*
   2 *
   3 *   Copyright (c) 1999-2001, Darren Hiebert
   4 *
   5 *   This source code is released for free distribution under the terms of the
   6 *   GNU General Public License.
   7 *
   8 *   Defines external interface to command line argument reading.
   9 */
  10 #ifndef _ARGS_H
  11 #define _ARGS_H
  12
  13 /*
  14 *   INCLUDE FILES
  15 */
  16 #include "general.h"    /* must always come first */
  17
  18 /*
  19 *   DATA DECLARATIONS
  20 */
  21
  22 typedef struct sArgs {
  23     enum { ARG_NONE, ARG_STRING, ARG_ARGV, ARG_FILE } type;
  24     union {
  25         struct sStringArgs {
  26             const char* string;
  27             const char* next;
  28             const char* item;
  29         } stringArgs;
  30         struct sArgvArgs {
  31             char* const* argv;
  32             char* const* item;
  33         } argvArgs;
  34         struct sFileArgs {
  35             FILE* fp;
  36         } fileArgs;
  37     } u;
  38     char* item;
  39     boolean lineMode;
  40 } Arguments;
  41
  42 /*
  43 *   FUNCTION PROTOTYPES
  44 */
  45 extern Arguments* argNewFromString (const char* const string);
  46 extern Arguments* argNewFromArgv (char* const* const argv);
  47 extern Arguments* argNewFromFile (FILE* const fp);
  48 extern Arguments* argNewFromLineFile (FILE* const fp);
  49 extern char *argItem (const Arguments* const current);
  50 extern boolean argOff (const Arguments* const current);
  51 extern void argSetWordMode (Arguments* const current);
  52 extern void argSetLineMode (Arguments* const current);
  53 extern void argForth (Arguments* const current);
  54 extern void argDelete (Arguments* const current);
  55
  56 #endif  /* _ARGS_H */
  57
  58 /* vi:set tabstop=8 shiftwidth=4: */