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Added `Sm' functionality.

/* $Id: private.h,v 1.22 2008/12/02 13:20:24 kristaps Exp $ */
/*
 * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
 *
 * 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 PRIVATE_H
#define PRIVATE_H

/* Input buffer (input read into buffer, then filled when empty). */
struct	md_rbuf {
	int		 fd;		/* Open descriptor. */
	char		*name;		/* Name of file. */
	char		*buf;		/* Buffer. */
	size_t		 bufsz;		/* Size of buffer. */
	size_t		 line;		/* Current line number. */
};

/* Output buffer (output buffered until full, then flushed). */
struct	md_mbuf {
	int		 fd;		/* Open descriptor. */
	char		*name;		/* Name of file. */
	char		*buf;		/* Buffer. */
	size_t		 bufsz;		/* Size of buffer. */
	size_t		 pos;		/* Position in buffer. */
};

#define	ROFF___	 	 0
#define	ROFF_Dd		 1
#define	ROFF_Dt		 2
#define	ROFF_Os		 3
#define	ROFF_Sh		 4
#define	ROFF_Ss		 5
#define	ROFF_Pp		 6
#define	ROFF_D1		 7
#define	ROFF_Dl		 8
#define	ROFF_Bd		 9
#define	ROFF_Ed		 10
#define	ROFF_Bl		 11
#define	ROFF_El		 12
#define	ROFF_It		 13
#define	ROFF_Ad		 14
#define	ROFF_An		 15
#define	ROFF_Ar		 16
#define	ROFF_Cd		 17
#define	ROFF_Cm		 18
#define	ROFF_Dv		 19
#define	ROFF_Er		 20
#define	ROFF_Ev		 21
#define	ROFF_Ex		 22
#define	ROFF_Fa		 23
#define	ROFF_Fd		 24
#define	ROFF_Fl		 25
#define	ROFF_Fn		 26
#define	ROFF_Ft		 27
#define	ROFF_Ic		 28
#define	ROFF_In		 29
#define	ROFF_Li		 30
#define	ROFF_Nd		 31
#define	ROFF_Nm		 32
#define	ROFF_Op		 33
#define	ROFF_Ot		 34
#define	ROFF_Pa		 35
#define	ROFF_Rv		 36
#define	ROFF_St		 37
#define	ROFF_Va		 38
#define	ROFF_Vt		 39
#define	ROFF_Xr		 40
#define	ROFF__A		 41
#define	ROFF__B		 42
#define	ROFF__D		 43
#define	ROFF__I		 44
#define	ROFF__J		 45
#define	ROFF__N		 46
#define	ROFF__O		 47
#define	ROFF__P		 48
#define	ROFF__R		 49
#define	ROFF__T		 50
#define	ROFF__V		 51
#define ROFF_Ac		 52
#define ROFF_Ao		 53
#define ROFF_Aq		 54
#define ROFF_At		 55
#define ROFF_Bc		 56
#define ROFF_Bf		 57
#define ROFF_Bo		 58
#define ROFF_Bq		 59
#define ROFF_Bsx	 60
#define ROFF_Bx		 61
#define ROFF_Db		 62
#define ROFF_Dc		 63
#define ROFF_Do		 64
#define ROFF_Dq		 65
#define ROFF_Ec		 66
#define ROFF_Ef		 67
#define ROFF_Em		 68
#define ROFF_Eo		 69
#define ROFF_Fx		 70
#define ROFF_Ms		 71
#define ROFF_No		 72
#define ROFF_Ns		 73
#define ROFF_Nx		 74
#define ROFF_Ox		 75
#define ROFF_Pc		 76
#define ROFF_Pf		 77
#define ROFF_Po		 78
#define ROFF_Pq		 79
#define ROFF_Qc		 80
#define ROFF_Ql		 81
#define ROFF_Qo		 82
#define ROFF_Qq		 83
#define ROFF_Re		 84
#define ROFF_Rs		 85
#define ROFF_Sc		 86
#define ROFF_So		 87
#define ROFF_Sq		 88
#define ROFF_Sm		 89
#define ROFF_Sx		 90
#define ROFF_Sy		 91
#define ROFF_Tn		 92
#define ROFF_Ux		 93
#define ROFF_Xc		 94
#define ROFF_Xo		 95
#define	ROFF_Fo		 96
#define	ROFF_Fc		 97
#define	ROFF_Oo		 98
#define	ROFF_Oc		 99
#define	ROFF_Bk		 100
#define	ROFF_Ek		 101
#define	ROFF_Bt		 102
#define	ROFF_Hf		 103
#define	ROFF_Fr		 104
#define	ROFF_Ud		 105
#define	ROFF_MAX	 106

#define	ROFF_Split	 0
#define	ROFF_Nosplit	 1
#define	ROFF_Ragged	 2
#define	ROFF_Unfilled	 3
#define	ROFF_Literal	 4
#define	ROFF_File	 5
#define	ROFF_Offset	 6
#define	ROFF_Bullet	 7
#define	ROFF_Dash	 8
#define	ROFF_Hyphen	 9
#define	ROFF_Item	 10
#define	ROFF_Enum	 11
#define	ROFF_Tag	 12
#define	ROFF_Diag	 13
#define	ROFF_Hang	 14
#define	ROFF_Ohang	 15
#define	ROFF_Inset	 16
#define	ROFF_Column	 17
#define	ROFF_Width	 18
#define	ROFF_Compact	 19
#define	ROFF_Std	 20
#define ROFF_p1003_1_88	 21
#define ROFF_p1003_1_90	 22
#define ROFF_p1003_1_96	 23
#define ROFF_p1003_1_2001 24
#define ROFF_p1003_1_2004 25
#define ROFF_p1003_1	 26
#define ROFF_p1003_1b	 27
#define ROFF_p1003_1b_93 28
#define ROFF_p1003_1c_95 29
#define ROFF_p1003_1g_2000 30
#define ROFF_p1003_2_92	 31
#define ROFF_p1387_2_95	 32
#define ROFF_p1003_2	 33
#define ROFF_p1387_2	 34
#define ROFF_isoC_90	 35
#define ROFF_isoC_amd1	 36
#define ROFF_isoC_tcor1	 37
#define ROFF_isoC_tcor2	 38
#define ROFF_isoC_99	 39
#define ROFF_ansiC	 40
#define ROFF_ansiC_89	 41
#define ROFF_ansiC_99	 42
#define ROFF_ieee754	 43
#define ROFF_iso8802_3	 44
#define ROFF_xpg3	 45
#define ROFF_xpg4	 46
#define ROFF_xpg4_2	 47
#define ROFF_xpg4_3	 48
#define ROFF_xbd5	 49
#define ROFF_xcu5	 50
#define ROFF_xsh5	 51
#define ROFF_xns5	 52
#define ROFF_xns5_2d2_0	 53
#define ROFF_xcurses4_2	 54
#define ROFF_susv2	 55
#define ROFF_susv3	 56
#define ROFF_svid4	 57
#define	ROFF_Filled	 58
#define	ROFF_Words	 59
#define	ROFF_ARGMAX	 60

extern	const char *const *toknames;
extern	const char *const *tokargnames;

enum	roffmsg { ROFF_WARN, ROFF_ERROR };

struct	roffcb {
	void	(*roffmsg)(void *, enum roffmsg, 
			const char *, const char *, char *);
	int	(*roffhead)(void *);
	int	(*rofftail)(void *);
	int	(*roffin)(void *, int, int *, char **);
	int	(*roffdata)(void *, int, char *);
	int	(*roffout)(void *, int);
	int	(*roffblkin)(void *, int, int *, char **);
	int	(*roffblkout)(void *, int);
	int	(*roffspecial)(void *, int, int *, char **, char **);
};

__BEGIN_DECLS

typedef	void  (*(*md_init)(const struct md_args *, 
			struct md_mbuf *, const struct md_rbuf *));
typedef	int	(*md_line)(void *, char *);
typedef	int	(*md_exit)(void *, int);

void		 *md_init_html4_strict(const struct md_args *,
			struct md_mbuf *, const struct md_rbuf *);
int		  md_line_html4_strict(void *, char *);
int		  md_exit_html4_strict(void *, int);

void		 *md_init_xml(const struct md_args *,
			struct md_mbuf *, const struct md_rbuf *);
int		  md_line_xml(void *, char *);
int		  md_exit_xml(void *, int);

int	 	  md_buf_puts(struct md_mbuf *, const char *, size_t);
int	 	  md_buf_putchar(struct md_mbuf *, char);
int	 	  md_buf_putstring(struct md_mbuf *, const char *);

struct	rofftree;

struct	rofftree *roff_alloc(const struct roffcb *, void *);
int		  roff_engine(struct rofftree *, char *);
int		  roff_free(struct rofftree *, int);

__END_DECLS

#endif /*!PRIVATE_H*/