mandoc.h

   1 /*      $Id: mandoc.h,v 1.16 2010/07/05 20:10:22 kristaps Exp $ */
   2 /*
   3  * Copyright (c) 2010 Kristaps Dzonsons <kristaps@bsd.lv>
   4  *
   5  * Permission to use, copy, modify, and distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17 #ifndef MANDOC_H
  18 #define MANDOC_H
  19
  20 /*
  21  * This contains declarations that are available system-wide.
  22  */
  23
  24 #define ASCII_NBRSP      31  /* non-breaking space */
  25 #define ASCII_HYPH       30  /* breakable hyphen */
  26
  27 __BEGIN_DECLS
  28
  29 enum    mandocerr {
  30         MANDOCERR_OK,
  31
  32         MANDOCERR_WARNING, /* ===== end of warnings ===== */
  33
  34         MANDOCERR_UPPERCASE, /* text should be uppercase */
  35         MANDOCERR_SECOOO, /* sections out of conventional order */
  36         MANDOCERR_SECREP, /* section name repeats */
  37         MANDOCERR_PROLOGOOO, /* out of order prologue */
  38         MANDOCERR_PROLOGREP, /* repeated prologue entry */
  39         MANDOCERR_LISTFIRST, /* list type must come first */
  40         MANDOCERR_BADSTANDARD, /* bad standard */
  41         MANDOCERR_BADLIB, /* bad library */
  42         MANDOCERR_BADESCAPE, /* bad escape sequence */
  43         MANDOCERR_BADQUOTE, /* unterminated quoted string */
  44         MANDOCERR_NOWIDTHARG, /* argument requires the width argument */
  45         /* FIXME: merge with MANDOCERR_IGNARGV. */
  46         MANDOCERR_WIDTHARG, /* superfluous width argument */
  47         MANDOCERR_IGNARGV, /* ignoring argument */
  48         MANDOCERR_BADDATE, /* bad date argument */
  49         MANDOCERR_BADWIDTH, /* bad width argument */
  50         MANDOCERR_BADMSEC, /* unknown manual section */
  51         MANDOCERR_SECMSEC, /* section not in conventional manual section */
  52         MANDOCERR_EOLNSPACE, /* end of line whitespace */
  53         MANDOCERR_SCOPENEST, /* blocks badly nested */
  54         MANDOCERR_SCOPEEXIT, /* scope open on exit */
  55
  56         MANDOCERR_ERROR, /* ===== end of errors ===== */
  57
  58         MANDOCERR_NAMESECFIRST, /* NAME section must come first */
  59         MANDOCERR_BADBOOL, /* bad Boolean value */
  60         MANDOCERR_CHILD, /* child violates parent syntax */
  61         MANDOCERR_BADATT, /* bad AT&T symbol */
  62         MANDOCERR_LISTREP, /* list type repeated */
  63         MANDOCERR_DISPREP, /* display type repeated */
  64         MANDOCERR_ARGVREP, /* argument repeated */
  65         MANDOCERR_NONAME, /* manual name not yet set */
  66         MANDOCERR_MACROOBS, /* obsolete macro ignored */
  67         MANDOCERR_MACROEMPTY, /* empty macro ignored */
  68         MANDOCERR_BADBODY, /* macro not allowed in body */
  69         MANDOCERR_BADPROLOG, /* macro not allowed in prologue */
  70         MANDOCERR_BADCHAR, /* bad character */
  71         MANDOCERR_BADNAMESEC, /* bad NAME section contents */
  72         MANDOCERR_NOBLANKLN, /* no blank lines */
  73         MANDOCERR_NOTEXT, /* no text in this context */
  74         MANDOCERR_BADCOMMENT, /* bad comment style */
  75         MANDOCERR_MACRO, /* unknown macro will be lost */
  76         MANDOCERR_LINESCOPE, /* line scope broken */
  77         MANDOCERR_ARGCOUNT, /* argument count wrong */
  78         MANDOCERR_NOSCOPE, /* no such block is open */
  79         MANDOCERR_SCOPEREP, /* scope already open */
  80         /* FIXME: merge following with MANDOCERR_ARGCOUNT */
  81         MANDOCERR_NOARGS, /* macro requires line argument(s) */
  82         MANDOCERR_NOBODY, /* macro requires body argument(s) */
  83         MANDOCERR_NOARGV, /* macro requires argument(s) */
  84         MANDOCERR_NOTITLE, /* no title in document */
  85         MANDOCERR_LISTTYPE, /* missing list type */
  86         MANDOCERR_DISPTYPE, /* missing display type */
  87         MANDOCERR_FONTTYPE, /* missing font type */
  88         MANDOCERR_ARGSLOST, /* line argument(s) will be lost */
  89         MANDOCERR_BODYLOST, /* body argument(s) will be lost */
  90
  91         MANDOCERR_FATAL, /* ===== end of fatal errors ===== */
  92
  93         MANDOCERR_COLUMNS, /* column syntax is inconsistent */
  94         /* FIXME: this should be a MANDOCERR_ERROR */
  95         MANDOCERR_NESTEDDISP, /* displays may not be nested */
  96         MANDOCERR_BADDISP, /* unsupported display type */
  97         MANDOCERR_SCOPEFATAL, /* blocks badly nested */
  98         MANDOCERR_SYNTNOSCOPE, /* no scope to rewind: syntax violated */
  99         MANDOCERR_SYNTSCOPE, /* scope broken, syntax violated */
 100         MANDOCERR_SYNTLINESCOPE, /* line scope broken, syntax violated */
 101         MANDOCERR_SYNTARGVCOUNT, /* argument count wrong, violates syntax */
 102         MANDOCERR_SYNTCHILD, /* child violates parent syntax */
 103         MANDOCERR_SYNTARGCOUNT, /* argument count wrong, violates syntax */
 104         MANDOCERR_NODOCBODY, /* no document body */
 105         MANDOCERR_NODOCPROLOG, /* no document prologue */
 106         MANDOCERR_UTSNAME, /* utsname system call failed */
 107         MANDOCERR_MEM, /* memory exhausted */
 108
 109         MANDOCERR_MAX
 110 };
 111
 112 enum    regs {
 113         REG_nS = 0,     /* register: nS */
 114         REG__MAX
 115 };
 116
 117 /*
 118  * A single register entity.  If "set" is zero, the value of the
 119  * register should be the default one, which is per-register.  It's
 120  * assumed that callers know which type in "v" corresponds to which
 121  * register value.
 122  */
 123 struct  reg {
 124         int               set; /* whether set or not */
 125         union {
 126                 unsigned  u; /* unsigned integer */
 127         } v;
 128 };
 129
 130 /*
 131  * The primary interface to setting register values is in libroff,
 132  * although libmdoc and libman from time to time will manipulate
 133  * registers (such as `.Sh SYNOPSIS' enabling REG_nS).
 134  */
 135 struct  regset {
 136         struct reg        regs[REG__MAX];
 137 };
 138
 139 /*
 140  * Callback function for warnings, errors, and fatal errors as they
 141  * occur in the compilers libroff, libmdoc, and libman.
 142  */
 143 typedef int             (*mandocmsg)(enum mandocerr, void *,
 144                                 int, int, const char *);
 145
 146 __END_DECLS
 147
 148 #endif /*!MANDOC_H*/