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/* $Id: mandoc.h,v 1.33 2010/12/10 20:58:56 schwarze Exp $ */
/*
* Copyright (c) 2010 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 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 MANDOC_H
#define MANDOC_H
#define ASCII_NBRSP 31 /* non-breaking space */
#define ASCII_HYPH 30 /* breakable hyphen */
/*
* Status level. This refers to both internal status (i.e., whilst
* running, when warnings/errors are reported) and an indicator of a
* threshold of when to halt (when said internal state exceeds the
* threshold).
*/
enum mandoclevel {
MANDOCLEVEL_OK = 0,
MANDOCLEVEL_RESERVED,
MANDOCLEVEL_WARNING, /* warnings: syntax, whitespace, etc. */
MANDOCLEVEL_ERROR, /* input has been thrown away */
MANDOCLEVEL_FATAL, /* input is borked */
MANDOCLEVEL_BADARG, /* bad argument in invocation */
MANDOCLEVEL_SYSERR, /* system error */
MANDOCLEVEL_MAX
};
/*
* All possible things that can go wrong within a parse, be it libroff,
* libmdoc, or libman.
*/
enum mandocerr {
MANDOCERR_OK,
MANDOCERR_WARNING, /* ===== start of warnings ===== */
/* related to the prologue */
MANDOCERR_NOTITLE, /* no title in document */
MANDOCERR_UPPERCASE, /* document title should be all caps */
MANDOCERR_BADMSEC, /* unknown manual section */
MANDOCERR_BADDATE, /* cannot parse date argument */
MANDOCERR_PROLOGOOO, /* prologue macros out of order */
MANDOCERR_PROLOGREP, /* duplicate prologue macro */
MANDOCERR_BADPROLOG, /* macro not allowed in prologue */
MANDOCERR_BADBODY, /* macro not allowed in body */
/* related to document structure */
MANDOCERR_SO, /* .so is fragile, better use ln(1) */
MANDOCERR_NAMESECFIRST, /* NAME section must come first */
MANDOCERR_BADNAMESEC, /* bad NAME section contents */
MANDOCERR_NONAME, /* manual name not yet set */
MANDOCERR_SECOOO, /* sections out of conventional order */
MANDOCERR_SECREP, /* duplicate section name */
MANDOCERR_SECMSEC, /* section not in conventional manual section */
/* related to macros and nesting */
MANDOCERR_MACROOBS, /* skipping obsolete macro */
MANDOCERR_IGNPAR, /* skipping paragraph macro */
MANDOCERR_SCOPENEST, /* blocks badly nested */
MANDOCERR_CHILD, /* child violates parent syntax */
MANDOCERR_NESTEDDISP, /* nested displays are not portable */
MANDOCERR_SCOPEREP, /* already in literal mode */
/* related to missing macro arguments */
MANDOCERR_MACROEMPTY, /* skipping empty macro */
MANDOCERR_DISPTYPE, /* missing display type */
MANDOCERR_LISTFIRST, /* list type must come first */
MANDOCERR_NOWIDTHARG, /* tag lists require a width argument */
MANDOCERR_FONTTYPE, /* missing font type */
/* related to bad macro arguments */
MANDOCERR_IGNARGV, /* skipping argument */
MANDOCERR_ARGVREP, /* duplicate argument */
MANDOCERR_DISPREP, /* duplicate display type */
MANDOCERR_LISTREP, /* duplicate list type */
MANDOCERR_BADATT, /* unknown AT&T UNIX version */
MANDOCERR_BADBOOL, /* bad Boolean value */
MANDOCERR_BADFONT, /* unknown font */
MANDOCERR_BADSTANDARD, /* unknown standard specifier */
MANDOCERR_BADWIDTH, /* bad width argument */
/* related to plain text */
MANDOCERR_NOBLANKLN, /* blank line in non-literal context */
MANDOCERR_BADTAB, /* tab in non-literal context */
MANDOCERR_EOLNSPACE, /* end of line whitespace */
MANDOCERR_BADCOMMENT, /* bad comment style */
MANDOCERR_BADESCAPE, /* unknown escape sequence */
MANDOCERR_BADQUOTE, /* unterminated quoted string */
MANDOCERR_ERROR, /* ===== start of errors ===== */
MANDOCERR_ROFFLOOP, /* input stack limit exceeded, infinite loop? */
MANDOCERR_BADCHAR, /* skipping bad character */
MANDOCERR_NOTEXT, /* skipping text before the first section header */
MANDOCERR_MACRO, /* skipping unknown macro */
MANDOCERR_REQUEST, /* NOT IMPLEMENTED: skipping request */
MANDOCERR_LINESCOPE, /* line scope broken */
MANDOCERR_ARGCOUNT, /* argument count wrong */
MANDOCERR_NOSCOPE, /* skipping end of block that is not open */
MANDOCERR_SCOPEBROKEN, /* missing end of block */
MANDOCERR_SCOPEEXIT, /* scope open on exit */
MANDOCERR_UNAME, /* uname(3) system call failed */
/* FIXME: merge following with MANDOCERR_ARGCOUNT */
MANDOCERR_NOARGS, /* macro requires line argument(s) */
MANDOCERR_NOBODY, /* macro requires body argument(s) */
MANDOCERR_NOARGV, /* macro requires argument(s) */
MANDOCERR_LISTTYPE, /* missing list type */
MANDOCERR_ARGSLOST, /* line argument(s) will be lost */
MANDOCERR_BODYLOST, /* body argument(s) will be lost */
MANDOCERR_FATAL, /* ===== start of fatal errors ===== */
MANDOCERR_COLUMNS, /* column syntax is inconsistent */
MANDOCERR_BADDISP, /* NOT IMPLEMENTED: .Bd -file */
MANDOCERR_SYNTLINESCOPE, /* line scope broken, syntax violated */
MANDOCERR_SYNTARGVCOUNT, /* argument count wrong, violates syntax */
MANDOCERR_SYNTCHILD, /* child violates parent syntax */
MANDOCERR_SYNTARGCOUNT, /* argument count wrong, violates syntax */
MANDOCERR_SOPATH, /* NOT IMPLEMENTED: .so with absolute path or ".." */
MANDOCERR_NODOCBODY, /* no document body */
MANDOCERR_NODOCPROLOG, /* no document prologue */
MANDOCERR_MEM, /* static buffer exhausted */
MANDOCERR_MAX
};
/*
* Available registers (set in libroff, accessed elsewhere).
*/
enum regs {
REG_nS = 0,
REG__MAX
};
/*
* A register (struct reg) can consist of many types: this consists of
* normalised types from the original string form.
*/
union regval {
unsigned u; /* unsigned integer */
};
/*
* A single register entity. If "set" is zero, the value of the
* register should be the default one, which is per-register. It's
* assumed that callers know which type in "v" corresponds to which
* register value.
*/
struct reg {
int set; /* whether set or not */
union regval v; /* parsed data */
};
/*
* The primary interface to setting register values is in libroff,
* although libmdoc and libman from time to time will manipulate
* registers (such as `.Sh SYNOPSIS' enabling REG_nS).
*/
struct regset {
struct reg regs[REG__MAX];
};
__BEGIN_DECLS
/*
* Callback function for warnings, errors, and fatal errors as they
* occur in the compilers libroff, libmdoc, and libman.
*/
typedef int (*mandocmsg)(enum mandocerr, void *,
int, int, const char *);
__END_DECLS
#endif /*!MANDOC_H*/
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