freebsd-nq/libmdoc.h
2014-12-02 07:34:06 +00:00

134 lines
4.7 KiB
C

/* $Id: libmdoc.h,v 1.95 2014/11/29 03:37:44 schwarze Exp $ */
/*
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2013, 2014 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 */
const char *defos; /* default argument for .Os */
int quick; /* abort parse early */
int flags; /* parse flags */
#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 */
#define MDOC_NODELIMC (1 << 10) /* disable closing delimiter handling */
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_node *last_es; /* the most recent Es node */
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 {
void (*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) */
};
/*
* 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
void mdoc_macro(MACRO_PROT_ARGS);
void mdoc_word_alloc(struct mdoc *, int, int, const char *);
void mdoc_word_append(struct mdoc *, const char *);
void mdoc_elem_alloc(struct mdoc *, int, int,
enum mdoct, struct mdoc_arg *);
struct mdoc_node *mdoc_block_alloc(struct mdoc *, int, int,
enum mdoct, struct mdoc_arg *);
struct mdoc_node *mdoc_head_alloc(struct mdoc *, int, int, enum mdoct);
void mdoc_tail_alloc(struct mdoc *, int, int, enum mdoct);
struct mdoc_node *mdoc_body_alloc(struct mdoc *, int, int, enum mdoct);
void mdoc_endbody_alloc(struct mdoc *, int, int, enum mdoct,
struct mdoc_node *, enum mdoc_endbody);
void mdoc_node_delete(struct mdoc *, struct mdoc_node *);
void 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 *);
void mdoc_valid_pre(struct mdoc *, struct mdoc_node *);
void mdoc_valid_post(struct mdoc *);
void 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 **);
void mdoc_macroend(struct mdoc *);
enum mdelim mdoc_isdelim(const char *);
__END_DECLS
#endif /*!LIBMDOC_H*/