Don't let empty strings into the makewhatis keyword database.

[mandoc.git] / libmandoc.h

diff --git a/libmandoc.h b/libmandoc.h
index eadaf25743e688d7664ec9ca5a3511bc3c83bdb8..5f8379aff27bd06a0a207c96be39325bdd233a64 100644 (file)
--- a/libmandoc.h
+++ b/libmandoc.h
@@ -1,6 +1,6 @@
-/*     $Id: libmandoc.h,v 1.12 2011/03/17 08:49:34 kristaps Exp $ */
+/*     $Id: libmandoc.h,v 1.21 2011/05/14 16:06:09 kristaps Exp $ */
 /*
- * Copyright (c) 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -17,14 +17,95 @@
 #ifndef LIBMANDOC_H
 #define LIBMANDOC_H
 
+enum   rofferr {
+       ROFF_CONT, /* continue processing line */
+       ROFF_RERUN, /* re-run roff interpreter with offset */
+       ROFF_APPEND, /* re-run main parser, appending next line */
+       ROFF_REPARSE, /* re-run main parser on the result */
+       ROFF_SO, /* include another file */
+       ROFF_IGN, /* ignore current line */
+       ROFF_TBL, /* a table row was successfully parsed */
+       ROFF_EQN, /* an equation was successfully parsed */
+       ROFF_ERR /* badness: puke and stop */
+};
+
+enum   regs {
+       REG_nS = 0, /* nS register */
+       REG__MAX
+};
+
+/*
+ * A register (struct reg) can consist of many types: this consists of
+ * normalised types from the original string form.  For the time being,
+ * there's only an unsigned integer type.
+ */
+union  regval {
+       unsigned  u; /* unsigned integer */
+};
+
+/*
+ * A single register entity.  If "set" is zero, the value of the
+ * register should be the default one, which is per-register.  It's
+ * assumed that callers know which type in "v" corresponds to which
+ * register value.
+ */
+struct reg {
+       int               set; /* whether set or not */
+       union regval      v; /* parsed data */
+};
+
+/*
+ * The primary interface to setting register values is in libroff,
+ * although libmdoc and libman from time to time will manipulate
+ * registers (such as `.Sh SYNOPSIS' enabling REG_nS).
+ */
+struct regset {
+       struct reg        regs[REG__MAX];
+};
+
 __BEGIN_DECLS
 
-int             mandoc_special(char *);
+struct roff;
+struct mdoc;
+struct man;
+
+void            mandoc_msg(enum mandocerr, struct mparse *, 
+                       int, int, const char *);
+void            mandoc_vmsg(enum mandocerr, struct mparse *, 
+                       int, int, const char *, ...);
 char           *mandoc_strdup(const char *);
-char           *mandoc_getarg(char **, mandocmsg, void *, int, int *);
-char           *mandoc_normdate(char *, mandocmsg, void *, int, int);
+char           *mandoc_getarg(struct mparse *, char **, int, int *);
+char           *mandoc_normdate(struct mparse *, char *, int, int);
 int             mandoc_eos(const char *, size_t, int);
 int             mandoc_hyph(const char *, const char *);
+int             mandoc_getcontrol(const char *, int *);
+int             mandoc_strntou(const char *, size_t, int);
+
+void            mdoc_free(struct mdoc *);
+struct mdoc    *mdoc_alloc(struct regset *, struct mparse *);
+void            mdoc_reset(struct mdoc *);
+int             mdoc_parseln(struct mdoc *, int, char *, int);
+int             mdoc_endparse(struct mdoc *);
+int             mdoc_addspan(struct mdoc *, const struct tbl_span *);
+int             mdoc_addeqn(struct mdoc *, const struct eqn *);
+
+void            man_free(struct man *);
+struct man     *man_alloc(struct regset *, struct mparse *);
+void            man_reset(struct man *);
+int             man_parseln(struct man *, int, char *, int);
+int             man_endparse(struct man *);
+int             man_addspan(struct man *, const struct tbl_span *);
+int             man_addeqn(struct man *, const struct eqn *);
+
+void            roff_free(struct roff *);
+struct roff    *roff_alloc(struct regset *, struct mparse *);
+void            roff_reset(struct roff *);
+enum rofferr    roff_parseln(struct roff *, int, 
+                       char **, size_t *, int, int *);
+void            roff_endparse(struct roff *);
+
+const struct tbl_span  *roff_span(const struct roff *);
+const struct eqn       *roff_eqn(const struct roff *);
 
 __END_DECLS