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/* $Id$ */
/*
* Copyright (c) 2013-2015,2017,2018,2020 Ingo Schwarze <schwarze@openbsd.org>
* Copyright (c) 2009, 2010, 2011, 2012 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.
*
* Internal interfaces for parser utilities needed by multiple parsers
* and the top-level functions to call the mdoc, man, and roff parsers.
*/
/*
* Return codes passed from the roff parser to the main parser.
*/
/* Main instruction: what to do with the returned line. */
#define ROFF_IGN 0x000 /* Don't do anything with it. */
#define ROFF_CONT 0x001 /* Give it to the high-level parser. */
#define ROFF_RERUN 0x002 /* Re-run the roff parser with an offset. */
#define ROFF_REPARSE 0x004 /* Recursively run the main parser on it. */
#define ROFF_SO 0x008 /* Include the named file. */
#define ROFF_MASK 0x00f /* Only one of these bits should be set. */
/* Options for further parsing, to be OR'ed with the above. */
#define ROFF_APPEND 0x010 /* Append the next line to this one. */
#define ROFF_USERCALL 0x020 /* Start execution of a new macro. */
#define ROFF_USERRET 0x040 /* Abort execution of the current macro. */
#define ROFF_WHILE 0x100 /* Start a new .while loop. */
#define ROFF_LOOPCONT 0x200 /* Iterate the current .while loop. */
#define ROFF_LOOPEXIT 0x400 /* Exit the current .while loop. */
#define ROFF_LOOPMASK 0xf00
struct buf {
char *buf;
size_t sz;
struct buf *next;
};
struct roff;
struct roff_man;
struct roff_node;
char *mandoc_normdate(struct roff_node *, struct roff_node *);
int mandoc_eos(const char *, size_t);
int mandoc_strntoi(const char *, size_t, int);
const char *mandoc_a2msec(const char*);
int mdoc_parseln(struct roff_man *, int, char *, int);
void mdoc_endparse(struct roff_man *);
int man_parseln(struct roff_man *, int, char *, int);
void man_endparse(struct roff_man *);
int preconv_cue(const struct buf *, size_t);
int preconv_encode(const struct buf *, size_t *,
struct buf *, size_t *, int *);
void roff_free(struct roff *);
struct roff *roff_alloc(int);
void roff_reset(struct roff *);
void roff_man_free(struct roff_man *);
struct roff_man *roff_man_alloc(struct roff *, const char *, int);
void roff_man_reset(struct roff_man *);
int roff_parseln(struct roff *, int, struct buf *, int *);
void roff_userret(struct roff *);
void roff_endparse(struct roff *);
void roff_setreg(struct roff *, const char *, int, char);
int roff_getreg(struct roff *, const char *);
char *roff_strdup(const struct roff *, const char *);
char *roff_getarg(struct roff *, char **, int, int *);
int roff_getcontrol(const struct roff *,
const char *, int *);
int roff_getformat(const struct roff *);
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