cfgfile.h

   1 #ifndef _CFGFILE_H_
   2 #define _CFGFILE_H_
   3
   4 /* have a care with this one. It can't be used when (c) has side-effects */
   5 #undef ISSPACE
   6 #define ISSPACE(c) ((c) == ' ' || (c) == '\t')
   7
   8 /* types */
   9 struct cfg_var {
  10         unsigned line; /* starting line */
  11         char *key;
  12         char *value;
  13         size_t key_len;
  14         size_t value_len;
  15 };
  16
  17 #define next_var(c) (c->cur_var >= c->vars ? NULL : c->vlist[c->cur_var++])
  18
  19 struct cfg_comp {
  20         const char *name;         /* filename, or everything leading up to '{' */
  21         char *buf;                /* file contents, if this is a file */
  22         char *template_name;      /* 'name' entry from compound */
  23         char *use;                /* the value of any "use" variables */
  24         unsigned int vars;        /* number of variables */
  25         unsigned int cur_var;     /* current variable (for next_var) */
  26         unsigned int vlist_len;   /* size of vlist */
  27         unsigned start, end;      /* starting and ending line */
  28         unsigned nested;          /* number of compounds nested below this */
  29         struct cfg_var **vlist;   /* array of variables */
  30         struct cfg_comp *parent;  /* nested from */
  31         struct cfg_comp **nest;   /* compounds nested inside this one */
  32 };
  33
  34 /* prototypes */
  35 struct cfg_comp *cfg_parse_file(const char *path);
  36 void cfg_destroy_compound(struct cfg_comp *comp);
  37 void cfg_warn(struct cfg_comp *comp, struct cfg_var *v, const char *fmt, ...)
  38         __attribute__((__format__(__printf__, 3, 4)));
  39 void cfg_error(struct cfg_comp *comp, struct cfg_var *v, const char *fmt, ...)
  40         __attribute__((__format__(__printf__, 3, 4), __noreturn__));
  41 char *cfg_copy_value(struct cfg_var *v);
  42
  43 #endif /* _CONFIG_H */