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/* $Id: libmdoc.h,v 1.27 2010/04/07 23:15:05 schwarze Exp $ */
/*
* Copyright (c) 2008, 2009 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 LIBMDOC_H
#define LIBMDOC_H
#include "mdoc.h"
enum mdoc_next {
MDOC_NEXT_SIBLING = 0,
MDOC_NEXT_CHILD
};
struct mdoc {
void *data;
struct mdoc_cb cb;
int 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. */
int pflags;
enum mdoc_next next;
struct mdoc_node *last;
struct mdoc_node *first;
struct mdoc_meta meta;
enum mdoc_sec lastnamed;
enum mdoc_sec lastsec;
};
enum merr {
ETAILWS = 0,
EQUOTPARM,
EQUOTTERM,
EARGVAL,
EBODYPROL,
EPROLBODY,
ETEXTPROL,
ENOBLANK,
ETOOLONG,
EESCAPE,
EPRINT,
ENODAT,
ENOPROLOGUE,
ELINE,
EATT,
ENAME,
ELISTTYPE,
EDISPTYPE,
EMULTIDISP,
EMULTILIST,
ESECNAME,
ENAMESECINC,
EARGREP,
EBOOL,
ECOLMIS,
ENESTDISP,
EMISSWIDTH,
EWRONGMSEC,
ESECOOO,
ESECREP,
EBADSTAND,
ENOMULTILINE,
EMULTILINE,
ENOLINE,
EPROLOOO,
EPROLREP,
EBADMSEC,
EBADSEC,
EFONT,
EBADDATE,
ENUMFMT,
ENOWIDTH,
EUTSNAME,
EOBS,
EIMPBRK,
EIGNE,
EOPEN,
EQUOTPHR,
ENOCTX,
ELIB,
EBADCHILD,
ENOTYPE,
MERRMAX
};
#define MACRO_PROT_ARGS struct mdoc *m, 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)
/* Reserved words in arguments treated as text. */
};
extern const struct mdoc_macro *const mdoc_macros;
__BEGIN_DECLS
#define mdoc_perr(m, l, p, t) \
mdoc_err((m), (l), (p), 1, (t))
#define mdoc_pwarn(m, l, p, t) \
mdoc_err((m), (l), (p), 0, (t))
#define mdoc_nerr(m, n, t) \
mdoc_err((m), (n)->line, (n)->pos, 1, (t))
#define mdoc_nwarn(m, n, t) \
mdoc_err((m), (n)->line, (n)->pos, 0, (t))
int mdoc_err(struct mdoc *, int, int, int, enum merr);
int mdoc_verr(struct mdoc *, int, int, const char *, ...);
int mdoc_vwarn(struct mdoc *, int, int, const char *, ...);
int mdoc_macro(MACRO_PROT_ARGS);
int mdoc_word_alloc(struct mdoc *,
int, int, 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);
void mdoc_node_delete(struct mdoc *, struct mdoc_node *);
void mdoc_hash_init(void);
enum mdoct mdoc_hash_find(const char *);
int mdoc_iscdelim(char);
int mdoc_isdelim(const char *);
size_t mdoc_isescape(const char *);
enum mdoc_sec mdoc_atosec(const char *);
time_t mdoc_atotime(const char *);
size_t mdoc_macro2len(int);
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 *);
const char *mdoc_a2msec(const char *);
int mdoc_valid_pre(struct mdoc *,
const struct mdoc_node *);
int mdoc_valid_post(struct mdoc *);
int mdoc_action_pre(struct mdoc *,
const struct mdoc_node *);
int mdoc_action_post(struct mdoc *);
int mdoc_argv(struct mdoc *, int, enum mdoct,
struct mdoc_arg **, int *, char *);
#define ARGV_ERROR (-1)
#define ARGV_EOLN (0)
#define ARGV_ARG (1)
#define ARGV_WORD (2)
void mdoc_argv_free(struct mdoc_arg *);
void mdoc_argn_free(struct mdoc_arg *, int);
int mdoc_args(struct mdoc *, int,
int *, char *, enum mdoct, char **);
int mdoc_zargs(struct mdoc *, int,
int *, char *, int, char **);
#define ARGS_DELIM (1 << 1) /* See args(). */
#define ARGS_TABSEP (1 << 2) /* See args(). */
#define ARGS_NOWARN (1 << 3) /* See args(). */
#define ARGS_ERROR (-1)
#define ARGS_EOLN (0)
#define ARGS_WORD (1)
#define ARGS_PUNCT (2)
#define ARGS_QWORD (3)
#define ARGS_PHRASE (4)
int mdoc_macroend(struct mdoc *);
__END_DECLS
#endif /*!LIBMDOC_H*/
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