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/* $OpenBSD: roff_int.h,v 1.18 2021/10/04 14:18:42 schwarze Exp $ */
/*
* Copyright (c) 2013-2015, 2017-2020 Ingo Schwarze <schwarze@openbsd.org>
* 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
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS 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.
*
* Parser internals shared by multiple parsers.
*/
struct ohash;
struct roff_node;
struct roff_meta;
struct roff;
struct mdoc_arg;
enum roff_next {
ROFF_NEXT_SIBLING = 0,
ROFF_NEXT_CHILD
};
struct roff_man {
struct roff_meta meta; /* Public parse results. */
struct roff *roff; /* Roff parser state data. */
struct ohash *mdocmac; /* Mdoc macro lookup table. */
struct ohash *manmac; /* Man macro lookup table. */
const char *os_s; /* Default operating system. */
char *os_r; /* Operating system name at run time. */
struct roff_node *last; /* The last node parsed. */
struct roff_node *last_es; /* The most recent Es node. */
int quick; /* Abort parse early. */
int flags; /* Parse flags. */
#define ROFF_NOFILL (1 << 1) /* Fill mode switched off. */
#define MDOC_PBODY (1 << 2) /* In the document body. */
#define MDOC_NEWLINE (1 << 3) /* First macro/text in a line. */
#define MDOC_PHRASE (1 << 4) /* In a Bl -column phrase. */
#define MDOC_PHRASELIT (1 << 5) /* Literal within a 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. */
#define MAN_ELINE (1 << 11) /* Next-line element scope. */
#define MAN_BLINE (1 << 12) /* Next-line block scope. */
#define MDOC_PHRASEQF (1 << 13) /* Quote first word encountered. */
#define MDOC_PHRASEQL (1 << 14) /* Quote last word of this phrase. */
#define MDOC_PHRASEQN (1 << 15) /* Quote first word of the next phrase. */
#define ROFF_NONOFILL (1 << 16) /* Temporarily suspend no-fill mode. */
#define MAN_NEWLINE MDOC_NEWLINE
enum roff_sec lastsec; /* Last section seen. */
enum roff_sec lastnamed; /* Last standard section seen. */
enum roff_next next; /* Where to put the next node. */
char filesec; /* Section digit in the file name. */
};
struct roff_node *roff_node_alloc(struct roff_man *, int, int,
enum roff_type, int);
void roff_node_append(struct roff_man *, struct roff_node *);
void roff_word_alloc(struct roff_man *, int, int, const char *);
void roff_word_append(struct roff_man *, const char *);
void roff_elem_alloc(struct roff_man *, int, int, int);
struct roff_node *roff_block_alloc(struct roff_man *, int, int, int);
struct roff_node *roff_head_alloc(struct roff_man *, int, int, int);
struct roff_node *roff_body_alloc(struct roff_man *, int, int, int);
void roff_node_unlink(struct roff_man *, struct roff_node *);
void roff_node_relink(struct roff_man *, struct roff_node *);
void roff_node_free(struct roff_node *);
void roff_node_delete(struct roff_man *, struct roff_node *);
struct ohash *roffhash_alloc(enum roff_tok, enum roff_tok);
enum roff_tok roffhash_find(struct ohash *, const char *, size_t);
void roffhash_free(struct ohash *);
void roff_state_reset(struct roff_man *);
void roff_validate(struct roff_man *);
/*
* Functions called from roff.c need to be declared here,
* not in libmdoc.h or libman.h, even if they are specific
* to either the mdoc(7) or the man(7) parser.
*/
void man_breakscope(struct roff_man *, int);
void mdoc_argv_free(struct mdoc_arg *);
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