Handle nested, recursive mathematical subexpressions. This is

[mandoc.git] / libmdoc.h

diff --git a/libmdoc.h b/libmdoc.h
index f7054711b378112b249ae5d3779c58b5a05d2173..eb9175246a54370ea3ee50243bb72336cd3059d7 100644 (file)
--- a/libmdoc.h
+++ b/libmdoc.h
@@ -1,20 +1,18 @@
-/* $Id: libmdoc.h,v 1.3 2009/03/31 13:50:19 kristaps Exp $ */
+/*     $Id: libmdoc.h,v 1.62 2010/08/20 01:02:07 schwarze Exp $ */

 /*
 /*

- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@openbsd.org>
+ * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>

  *
  * Permission to use, copy, modify, and distribute this software for any
  *
  * Permission to use, copy, modify, and distribute this software for any

- * purpose with or without fee is hereby granted, provided that the
- * above copyright notice and this permission notice appear in all
- * copies.
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.

  *
  *

- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
- * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
- * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
- * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
- * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

  */
 #ifndef LIBMDOC_H
 #define LIBMDOC_H
  */
 #ifndef LIBMDOC_H
 #define LIBMDOC_H


@@ -27,24 +25,32 @@ enum        mdoc_next {
 };
 
 struct mdoc {
 };
 
 struct mdoc {

-       void             *data;
-       struct mdoc_cb    cb;
-       void             *htab;
+       void             *data; /* private application data */
+       mandocmsg         msg; /* message callback */

        int               flags;
        int               flags;

-#define        MDOC_HALT        (1 << 0)
-#define        MDOC_LITERAL     (1 << 1)
-       int               pflags;
-       enum mdoc_next    next;
-       struct mdoc_node *last;
-       struct mdoc_node *first;
-       struct mdoc_meta  meta;
+#define        MDOC_HALT        (1 << 0) /* error in parse: halt */
+#define        MDOC_LITERAL     (1 << 1) /* in a literal scope */
+#define        MDOC_PBODY       (1 << 2) /* in the document body */
+#define        MDOC_NEWLINE     (1 << 3) /* first macro/text in a line */
+#define        MDOC_PHRASELIT   (1 << 4) /* literal within a partila phrase */
+#define        MDOC_PPHRASE     (1 << 5) /* within a partial phrase */
+#define        MDOC_FREECOL     (1 << 6) /* `It' invocation should close */
+#define        MDOC_SYNOPSIS    (1 << 7) /* SYNOPSIS-style formatting */
+       enum mdoc_next    next; /* where to put the next node */
+       struct mdoc_node *last; /* the last node parsed */
+       struct mdoc_node *first; /* the first node parsed */
+       struct mdoc_meta  meta; /* document meta-data */

        enum mdoc_sec     lastnamed;
        enum mdoc_sec     lastsec;
        enum mdoc_sec     lastnamed;
        enum mdoc_sec     lastsec;

+       struct regset    *regs; /* registers */

 };
 
 };
 

-
-#define        MACRO_PROT_ARGS struct mdoc *mdoc, int tok, int line, \
-                       int ppos, int *pos, char *buf
+#define        MACRO_PROT_ARGS struct mdoc *m, \
+                       enum mdoct tok, \
+                       int line, \
+                       int ppos, \
+                       int *pos, \
+                       char *buf

 
 struct mdoc_macro {
        int             (*fp)(MACRO_PROT_ARGS);
 
 struct mdoc_macro {
        int             (*fp)(MACRO_PROT_ARGS);


@@ -57,99 +63,86 @@ struct      mdoc_macro {
        /* Reserved words in arguments treated as text. */
 };
 
        /* Reserved words in arguments treated as text. */
 };
 

-#define        mdoc_nwarn(mdoc, node, type, fmt, ...) \
-                 mdoc_vwarn((mdoc), (node)->line, \
-                 (node)->pos, (type), (fmt), ##__VA_ARGS__)
-
-#define        mdoc_nerr(mdoc, node, fmt, ...) \
-                 mdoc_verr((mdoc), (node)->line, \
-                 (node)->pos, (fmt), ##__VA_ARGS__)
-
-#define        mdoc_warn(mdoc, type, fmt, ...) \
-                 mdoc_vwarn((mdoc), (mdoc)->last->line, \
-                 (mdoc)->last->pos, (type), (fmt), ##__VA_ARGS__)
-
-#define        mdoc_err(mdoc, fmt, ...) \
-                 mdoc_verr((mdoc), (mdoc)->last->line, \
-                 (mdoc)->last->pos, (fmt), ##__VA_ARGS__)
-
-#define        mdoc_msg(mdoc, fmt, ...) \
-                 mdoc_vmsg((mdoc), (mdoc)->last->line, \
-                 (mdoc)->last->pos, (fmt), ##__VA_ARGS__)
-
-#define        mdoc_pmsg(mdoc, line, pos, fmt, ...) \
-                 mdoc_vmsg((mdoc), (line), \
-                 (pos), (fmt), ##__VA_ARGS__)
+enum   margserr {
+       ARGS_ERROR,
+       ARGS_EOLN,
+       ARGS_WORD,
+       ARGS_PUNCT,
+       ARGS_QWORD,
+       ARGS_PHRASE,
+       ARGS_PPHRASE,
+       ARGS_PEND
+};

 
 

-#define        mdoc_pwarn(mdoc, line, pos, type, fmt, ...) \
-                 mdoc_vwarn((mdoc), (line), \
-                 (pos), (type), (fmt), ##__VA_ARGS__)
+enum   margverr {
+       ARGV_ERROR,
+       ARGV_EOLN,
+       ARGV_ARG,
+       ARGV_WORD
+};

 
 

-#define        mdoc_perr(mdoc, line, pos, fmt, ...) \
-                 mdoc_verr((mdoc), (line), \
-                 (pos), (fmt), ##__VA_ARGS__)
+enum   mdelim {
+       DELIM_NONE = 0,
+       DELIM_OPEN,
+       DELIM_MIDDLE,
+       DELIM_CLOSE
+};

 
 extern const struct mdoc_macro *const mdoc_macros;
 
 __BEGIN_DECLS
 
 
 extern const struct mdoc_macro *const mdoc_macros;
 
 __BEGIN_DECLS
 

-int              mdoc_vwarn(struct mdoc *, int, int, 
-                       enum mdoc_warn, const char *, ...);
-void             mdoc_vmsg(struct mdoc *, int, int, 
-                       const char *, ...);
-int              mdoc_verr(struct mdoc *, int, int, 
-                       const char *, ...);
+#define                  mdoc_pmsg(m, l, p, t) \
+                 (*(m)->msg)((t), (m)->data, (l), (p), NULL)
+#define                  mdoc_nmsg(m, n, t) \
+                 (*(m)->msg)((t), (m)->data, (n)->line, (n)->pos, NULL)
+int              mdoc_vmsg(struct mdoc *, enum mandocerr, 
+                       int, int, const char *, ...);

 int              mdoc_macro(MACRO_PROT_ARGS);
 int              mdoc_word_alloc(struct mdoc *, 
                        int, int, const char *);
 int              mdoc_elem_alloc(struct mdoc *, int, int, 
 int              mdoc_macro(MACRO_PROT_ARGS);
 int              mdoc_word_alloc(struct mdoc *, 
                        int, int, const char *);
 int              mdoc_elem_alloc(struct mdoc *, int, int, 

-                       int, struct mdoc_arg *);
+                       enum mdoct, struct mdoc_arg *);

 int              mdoc_block_alloc(struct mdoc *, int, int, 
 int              mdoc_block_alloc(struct mdoc *, int, int, 

-                       int, struct mdoc_arg *);
-int              mdoc_head_alloc(struct mdoc *, int, int, int);
-int              mdoc_tail_alloc(struct mdoc *, int, int, int);
-int              mdoc_body_alloc(struct mdoc *, int, int, int);
-void             mdoc_node_free(struct mdoc_node *);
-void             mdoc_node_freelist(struct mdoc_node *);
-void            *mdoc_tokhash_alloc(void);
-int              mdoc_tokhash_find(const void *, const char *);
-void             mdoc_tokhash_free(void *);
-int              mdoc_iscdelim(char);
-int              mdoc_isdelim(const char *);
+                       enum mdoct, struct mdoc_arg *);
+int              mdoc_head_alloc(struct mdoc *, int, int, enum mdoct);
+int              mdoc_tail_alloc(struct mdoc *, int, int, enum mdoct);
+int              mdoc_body_alloc(struct mdoc *, int, int, enum mdoct);
+int              mdoc_endbody_alloc(struct mdoc *m, int line, int pos,
+                       enum mdoct tok, struct mdoc_node *body,
+                       enum mdoc_endbody end);
+void             mdoc_node_delete(struct mdoc *, struct mdoc_node *);
+void             mdoc_hash_init(void);
+enum mdoct       mdoc_hash_find(const char *);
+enum mdelim      mdoc_iscdelim(char);
+enum mdelim      mdoc_isdelim(const char *);

 size_t           mdoc_isescape(const char *);
 size_t           mdoc_isescape(const char *);

-enum   mdoc_sec  mdoc_atosec(const char *);
+enum   mdoc_sec  mdoc_str2sec(const char *);

 time_t           mdoc_atotime(const char *);
 time_t           mdoc_atotime(const char *);

-
-size_t           mdoc_macro2len(int);
+size_t           mdoc_macro2len(enum mdoct);
+const char      *mdoc_a2att(const char *);
+const char      *mdoc_a2lib(const char *);
+const char      *mdoc_a2st(const char *);

 const char      *mdoc_a2arch(const char *);
 const char      *mdoc_a2vol(const char *);
 const char      *mdoc_a2msec(const char *);
 const char      *mdoc_a2arch(const char *);
 const char      *mdoc_a2vol(const char *);
 const char      *mdoc_a2msec(const char *);

-int              mdoc_valid_pre(struct mdoc *, 
-                       const struct mdoc_node *);
+int              mdoc_valid_pre(struct mdoc *, struct mdoc_node *);

 int              mdoc_valid_post(struct mdoc *);
 int              mdoc_action_pre(struct mdoc *, 
 int              mdoc_valid_post(struct mdoc *);
 int              mdoc_action_pre(struct mdoc *, 

-                       const struct mdoc_node *);
+                       struct mdoc_node *);

 int              mdoc_action_post(struct mdoc *);
 int              mdoc_action_post(struct mdoc *);

-int              mdoc_argv(struct mdoc *, int, int,
+enum margverr    mdoc_argv(struct mdoc *, int, enum mdoct,

                        struct mdoc_arg **, int *, char *);
                        struct mdoc_arg **, int *, char *);

-#define        ARGV_ERROR      (-1)
-#define        ARGV_EOLN       (0)
-#define        ARGV_ARG        (1)
-#define        ARGV_WORD       (2)

 void             mdoc_argv_free(struct mdoc_arg *);
 void             mdoc_argv_free(struct mdoc_arg *);

-int              mdoc_args(struct mdoc *, int,
+void             mdoc_argn_free(struct mdoc_arg *, int);
+enum margserr    mdoc_args(struct mdoc *, int,
+                       int *, char *, enum mdoct, char **);
+enum margserr    mdoc_zargs(struct mdoc *, int, 

                        int *, char *, int, char **);
                        int *, char *, int, char **);

-#define        ARGS_ERROR      (-1)
-#define        ARGS_EOLN       (0)
-#define        ARGS_WORD       (1)
-#define        ARGS_PUNCT      (2)
-#define        ARGS_QWORD      (3)
-#define        ARGS_PHRASE     (4)
+#define        ARGS_DELIM      (1 << 1)
+#define        ARGS_TABSEP     (1 << 2)
+#define        ARGS_NOWARN     (1 << 3)

 
 

-/* FIXME: get rid of these. */
-int              xstrlcpys(char *, const struct mdoc_node *, size_t);
-void            *xrealloc(void *, size_t);
-char            *xstrdup(const char *);

 int              mdoc_macroend(struct mdoc *);
 
 __END_DECLS
 int              mdoc_macroend(struct mdoc *);
 
 __END_DECLS