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Revision 1.82, Mon Oct 21 23:47:58 2013 UTC (8 years, 1 month ago) by schwarze
Branch: MAIN
CVS Tags: VERSION_1_12_3
Changes since 1.81: +7 -3 lines

There are three kinds of input lines: text lines, macros taking
positional arguments (like Dt Fn Xr) and macros taking text as
arguments (like Nd Sh Em %T An).  In the past, even the latter put
each word of their arguments into its own MDOC_TEXT node; instead,
concatenate arguments unless delimiters, keeps or spacing mode
prevent that.  Regarding mandoc(1), this is internal refactoring,
no output change intended.

Regarding mandocdb(8), this fixes yet another regression introduced
when switching from DB to SQLite: The ability to search for strings
crossing word boundaries was lost and is hereby restored.  At the
same time, database sizes and build times are both reduced by a bit
more than 5% each.

/*	$Id: libmdoc.h,v 1.82 2013/10/21 23:47:58 schwarze Exp $ */
/*
 * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
 * Copyright (c) 2013 Ingo Schwarze <schwarze@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

enum	mdoc_next {
	MDOC_NEXT_SIBLING = 0,
	MDOC_NEXT_CHILD
};

struct	mdoc {
	struct mparse	 *parse; /* parse pointer */
	char		 *defos; /* default argument for .Os */
	int		  flags; /* parse flags */
#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 */
#define	MDOC_KEEP	 (1 << 8) /* in a word keep */
#define	MDOC_SMOFF	 (1 << 9) /* spacing is off */
	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;
	struct roff	 *roff;
};

#define	MACRO_PROT_ARGS	struct mdoc *mdoc, \
			enum mdoct 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)
#define	MDOC_JOIN	 (1 << 5)
};

enum	margserr {
	ARGS_ERROR,
	ARGS_EOLN, /* end-of-line */
	ARGS_WORD, /* normal word */
	ARGS_PUNCT, /* series of punctuation */
	ARGS_QWORD, /* quoted word */
	ARGS_PHRASE, /* Ta'd phrase (-column) */
	ARGS_PPHRASE, /* tabbed phrase (-column) */
	ARGS_PEND /* last phrase (-column) */
};

enum	margverr {
	ARGV_ERROR,
	ARGV_EOLN, /* end of line */
	ARGV_ARG, /* valid argument */
	ARGV_WORD /* normal word (or bad argument---same thing) */
};

/*
 * A punctuation delimiter is opening, closing, or "middle mark"
 * punctuation.  These govern spacing.
 * Opening punctuation (e.g., the opening parenthesis) suppresses the
 * following space; closing punctuation (e.g., the closing parenthesis)
 * suppresses the leading space; middle punctuation (e.g., the vertical
 * bar) can do either.  The middle punctuation delimiter bends the rules
 * depending on usage.
 */
enum	mdelim {
	DELIM_NONE = 0,
	DELIM_OPEN,
	DELIM_MIDDLE,
	DELIM_CLOSE,
	DELIM_MAX
};

extern	const struct mdoc_macro *const mdoc_macros;

__BEGIN_DECLS

#define		  mdoc_pmsg(mdoc, l, p, t) \
		  mandoc_msg((t), (mdoc)->parse, (l), (p), NULL)
#define		  mdoc_nmsg(mdoc, n, t) \
		  mandoc_msg((t), (mdoc)->parse, (n)->line, (n)->pos, NULL)
int		  mdoc_macro(MACRO_PROT_ARGS);
int		  mdoc_word_alloc(struct mdoc *, 
			int, int, const char *);
void		  mdoc_word_append(struct mdoc *, const char *);
int		  mdoc_elem_alloc(struct mdoc *, int, int, 
			enum mdoct, struct mdoc_arg *);
int		  mdoc_block_alloc(struct mdoc *, int, int, 
			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 *, int, int, enum mdoct,
			struct mdoc_node *, enum mdoc_endbody);
void		  mdoc_node_delete(struct mdoc *, struct mdoc_node *);
int		  mdoc_node_relink(struct mdoc *, struct mdoc_node *);
void		  mdoc_hash_init(void);
enum mdoct	  mdoc_hash_find(const char *);
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 *);
int		  mdoc_valid_pre(struct mdoc *, struct mdoc_node *);
int		  mdoc_valid_post(struct mdoc *);
enum margverr	  mdoc_argv(struct mdoc *, int, enum mdoct,
			struct mdoc_arg **, int *, char *);
void		  mdoc_argv_free(struct mdoc_arg *);
enum margserr	  mdoc_args(struct mdoc *, int,
			int *, char *, enum mdoct, char **);
enum margserr	  mdoc_zargs(struct mdoc *, int, 
			int *, char *, char **);
int		  mdoc_macroend(struct mdoc *);
enum mdelim	  mdoc_isdelim(const char *);

__END_DECLS

#endif /*!LIBMDOC_H*/