libtu/parser.h

   1 /*
   2  * libtu/parser.h
   3  *
   4  * Copyright (c) Tuomo Valkonen 1999-2002.
   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 #ifndef LIBTU_PARSER_H
  11 #define LIBTU_PARSER_H
  12
  13 #include "tokenizer.h"
  14
  15 /*
  16  * format:
  17  *     l = long
  18  *    d = double
  19  *     i = identifier
  20  *     s = string
  21  *     c = char
  22  *  . = 1 times any     ("l.d")
  23  *  * = 0 or more times any (must be the last, "sd*")
  24  *     ? = optional        ("?c")
  25  *     : = conditional        (":c:s")
  26  *  + = 1 or more times last (most be the last, "l+")
  27  * special entries:
  28  *
  29  * "#end"         call this handler at the end of section.
  30  * "#cancel"     call this handler when recovering from error
  31  */
  32
  33 #define END_CONFOPTS {NULL, NULL, NULL, NULL}
  34
  35 typedef struct _ConfOpt{
  36     const char *optname;
  37     const char *argfmt;
  38     bool (*fn)(Tokenizer *tokz, int n, Token *toks);
  39     struct _ConfOpt *opts;
  40 } ConfOpt;
  41
  42 #define CONFOPTS_NOT_SET libtu_dummy_confopts
  43 extern ConfOpt libtu_dummy_confopts[];
  44
  45 extern bool parse_config_tokz(Tokenizer *tokz, const ConfOpt *options);
  46 extern bool parse_config_tokz_skip_section(Tokenizer *tokz);
  47 extern bool parse_config(const char *fname, const ConfOpt *options, int flags);
  48 extern bool parse_config_file(FILE *file, const ConfOpt *options, int flags);
  49 extern bool check_args(const Tokenizer *tokz, Token *tokens, int ntokens,
  50                        const char *fmt);
  51 extern bool check_args_loose(const Tokenizer *tokz, Token *tokens, int ntokens,
  52                              const char *fmt);
  53
  54 #endif /* LIBTU_PARSER_H */