First addition of -man macro support.

Abstraction of mdoc.

1 files changed, 160 insertions, 0 deletions

diff --git a/libmdoc.h b/libmdoc.h
new file mode 100644
index 00000000..45ddf010
--- /dev/null
+++ b/libmdoc.h
@@ -0,0 +1,160 @@
+/* $Id$ */
+/*
+ * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@openbsd.org>
+ *
+ * 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.
+ *
+ * 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
+
+#include "mdoc.h"
+
+enum	mdoc_next {
+	MDOC_NEXT_SIBLING = 0,
+	MDOC_NEXT_CHILD
+};
+
+struct	mdoc {
+	void		 *data;
+	struct mdoc_cb	  cb;
+	void		 *htab;
+	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;
+	enum mdoc_sec	  lastnamed;
+	enum mdoc_sec	  lastsec;
+};
+
+
+#define	MACRO_PROT_ARGS	struct mdoc *mdoc, int tok, int line, \
+			int ppos, int *pos, char *buf
+
+struct	mdoc_macro {
+	int		(*fp)(MACRO_PROT_ARGS);
+	int		  flags;
+#define	MDOC_CALLABLE	 (1 << 0)
+#define	MDOC_PARSED	 (1 << 1)
+#define	MDOC_EXPLICIT	 (1 << 2)
+#define	MDOC_PROLOGUE	 (1 << 3)
+#define	MDOC_IGNDELIM	 (1 << 4) 
+	/* 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__)
+
+#define	mdoc_pwarn(mdoc, line, pos, type, fmt, ...) \
+		  mdoc_vwarn((mdoc), (line), \
+	  	  (pos), (type), (fmt), ##__VA_ARGS__)
+
+#define	mdoc_perr(mdoc, line, pos, fmt, ...) \
+		  mdoc_verr((mdoc), (line), \
+	  	  (pos), (fmt), ##__VA_ARGS__)
+
+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 *, ...);
+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 *);
+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 *);
+size_t		  mdoc_isescape(const char *);
+enum	mdoc_sec  mdoc_atosec(const char *);
+time_t		  mdoc_atotime(const char *);
+
+size_t		  mdoc_macro2len(int);
+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_post(struct mdoc *);
+int		  mdoc_action_pre(struct mdoc *, 
+			const struct mdoc_node *);
+int		  mdoc_action_post(struct mdoc *);
+int		  mdoc_argv(struct mdoc *, int, int,
+			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 *);
+int		  mdoc_args(struct mdoc *, int,
+			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)
+
+/* FIXME: get rid of these. */
+int		  xstrlcpys(char *, const struct mdoc_node *, size_t);
+int	  	  xstrlcat(char *, const char *, size_t);
+int	  	  xstrlcpy(char *, const char *, size_t);
+int	  	  xstrcmp(const char *, const char *);
+void	 	 *xrealloc(void *, size_t);
+char	 	 *xstrdup(const char *);
+int		  macro_end(struct mdoc *);
+
+__END_DECLS
+
+#endif /*!LIBMDOC_H*/