Annotation of mandoc/mandoc.h, Revision 1.32
1.32 ! kristaps 1: /* $Id: mandoc.h,v 1.31 2010/12/06 15:31:19 kristaps Exp $ */
1.1 kristaps 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
1.7 kristaps 19:
20: #define ASCII_NBRSP 31 /* non-breaking space */
21: #define ASCII_HYPH 30 /* breakable hyphen */
22:
1.22 kristaps 23: /*
24: * Status level. This refers to both internal status (i.e., whilst
25: * running, when warnings/errors are reported) and an indicator of a
26: * threshold of when to halt (when said internal state exceeds the
27: * threshold).
28: */
1.18 schwarze 29: enum mandoclevel {
30: MANDOCLEVEL_OK = 0,
31: MANDOCLEVEL_RESERVED,
1.22 kristaps 32: MANDOCLEVEL_WARNING, /* warnings: syntax, whitespace, etc. */
33: MANDOCLEVEL_ERROR, /* input has been thrown away */
34: MANDOCLEVEL_FATAL, /* input is borked */
35: MANDOCLEVEL_BADARG, /* bad argument in invocation */
36: MANDOCLEVEL_SYSERR, /* system error */
1.18 schwarze 37: MANDOCLEVEL_MAX
38: };
39:
1.22 kristaps 40: /*
41: * All possible things that can go wrong within a parse, be it libroff,
42: * libmdoc, or libman.
43: */
1.1 kristaps 44: enum mandocerr {
45: MANDOCERR_OK,
1.13 schwarze 46:
1.21 kristaps 47: MANDOCERR_WARNING, /* ===== start of warnings ===== */
1.32 ! kristaps 48:
! 49: /* related to the prologue */
! 50: MANDOCERR_NOTITLE, /* no title in document */
! 51: MANDOCERR_UPPERCASE, /* document title should be all caps */
! 52: MANDOCERR_BADMSEC, /* unknown manual section */
! 53: MANDOCERR_BADDATE, /* cannot parse date argument */
! 54: MANDOCERR_PROLOGOOO, /* prologue macros out of order */
! 55: MANDOCERR_PROLOGREP, /* duplicate prologue macro */
! 56: MANDOCERR_BADPROLOG, /* macro not allowed in prologue */
! 57: MANDOCERR_BADBODY, /* macro not allowed in body */
! 58:
! 59: /* related to document structure */
1.26 kristaps 60: MANDOCERR_SO, /* .so is fragile, better use ln(1) */
1.32 ! kristaps 61: MANDOCERR_NAMESECFIRST, /* NAME section must come first */
! 62: MANDOCERR_BADNAMESEC, /* bad NAME section contents */
! 63: MANDOCERR_NONAME, /* manual name not yet set */
1.9 kristaps 64: MANDOCERR_SECOOO, /* sections out of conventional order */
1.32 ! kristaps 65: MANDOCERR_SECREP, /* duplicate section name */
1.5 kristaps 66: MANDOCERR_SECMSEC, /* section not in conventional manual section */
1.32 ! kristaps 67:
! 68: /* related to macros and nesting */
! 69: MANDOCERR_MACROOBS, /* skipping obsolete macro */
! 70: MANDOCERR_IGNPAR, /* skipping paragraph macro */
1.14 schwarze 71: MANDOCERR_SCOPENEST, /* blocks badly nested */
1.32 ! kristaps 72: MANDOCERR_CHILD, /* child violates parent syntax */
! 73: MANDOCERR_NESTEDDISP, /* nested displays are not portable */
! 74: MANDOCERR_SCOPEREP, /* already in literal mode */
! 75:
! 76: /* related to missing macro arguments */
! 77: MANDOCERR_MACROEMPTY, /* skipping empty macro */
! 78: MANDOCERR_DISPTYPE, /* missing display type */
! 79: MANDOCERR_LISTFIRST, /* list type must come first */
! 80: MANDOCERR_NOWIDTHARG, /* tag lists require a width argument */
! 81: MANDOCERR_FONTTYPE, /* missing font type */
1.13 schwarze 82:
1.32 ! kristaps 83: /* related to bad macro arguments */
! 84: MANDOCERR_IGNARGV, /* skipping argument */
! 85: MANDOCERR_ARGVREP, /* duplicate argument */
! 86: MANDOCERR_DISPREP, /* duplicate display type */
! 87: MANDOCERR_LISTREP, /* duplicate list type */
! 88: MANDOCERR_BADATT, /* unknown AT&T UNIX version */
1.5 kristaps 89: MANDOCERR_BADBOOL, /* bad Boolean value */
1.31 kristaps 90: MANDOCERR_BADFONT, /* unknown font */
1.32 ! kristaps 91: MANDOCERR_BADSTANDARD, /* unknown standard specifier */
! 92: MANDOCERR_BADWIDTH, /* bad width argument */
! 93:
! 94: /* related to plain text */
! 95: MANDOCERR_NOBLANKLN, /* blank line in non-literal context */
! 96: MANDOCERR_BADTAB, /* tab in non-literal context */
! 97: MANDOCERR_EOLNSPACE, /* end of line whitespace */
1.5 kristaps 98: MANDOCERR_BADCOMMENT, /* bad comment style */
1.32 ! kristaps 99: MANDOCERR_BADESCAPE, /* unknown escape sequence */
! 100: MANDOCERR_BADQUOTE, /* unterminated quoted string */
! 101:
! 102: MANDOCERR_ERROR, /* ===== start of errors ===== */
! 103:
! 104: MANDOCERR_BADCHAR, /* skipping bad character */
! 105: MANDOCERR_NOTEXT, /* skipping text before the first section header */
! 106: MANDOCERR_MACRO, /* skipping unknown macro */
1.25 kristaps 107: MANDOCERR_REQUEST, /* NOT IMPLEMENTED: skipping request */
1.5 kristaps 108: MANDOCERR_LINESCOPE, /* line scope broken */
109: MANDOCERR_ARGCOUNT, /* argument count wrong */
1.32 ! kristaps 110: MANDOCERR_NOSCOPE, /* skipping end of block that is not open */
1.30 kristaps 111: MANDOCERR_SCOPEBROKEN, /* missing end of block */
1.19 schwarze 112: MANDOCERR_SCOPEEXIT, /* scope open on exit */
1.28 kristaps 113: MANDOCERR_UNAME, /* uname(3) system call failed */
1.5 kristaps 114: /* FIXME: merge following with MANDOCERR_ARGCOUNT */
115: MANDOCERR_NOARGS, /* macro requires line argument(s) */
116: MANDOCERR_NOBODY, /* macro requires body argument(s) */
117: MANDOCERR_NOARGV, /* macro requires argument(s) */
1.10 kristaps 118: MANDOCERR_LISTTYPE, /* missing list type */
1.5 kristaps 119: MANDOCERR_ARGSLOST, /* line argument(s) will be lost */
120: MANDOCERR_BODYLOST, /* body argument(s) will be lost */
1.13 schwarze 121:
1.21 kristaps 122: MANDOCERR_FATAL, /* ===== start of fatal errors ===== */
1.32 ! kristaps 123:
1.8 kristaps 124: MANDOCERR_COLUMNS, /* column syntax is inconsistent */
1.32 ! kristaps 125: MANDOCERR_BADDISP, /* NOT IMPLEMENTED: .Bd -file */
1.5 kristaps 126: MANDOCERR_SYNTLINESCOPE, /* line scope broken, syntax violated */
127: MANDOCERR_SYNTARGVCOUNT, /* argument count wrong, violates syntax */
128: MANDOCERR_SYNTCHILD, /* child violates parent syntax */
129: MANDOCERR_SYNTARGCOUNT, /* argument count wrong, violates syntax */
1.26 kristaps 130: MANDOCERR_SOPATH, /* NOT IMPLEMENTED: .so with absolute path or ".." */
1.5 kristaps 131: MANDOCERR_NODOCBODY, /* no document body */
132: MANDOCERR_NODOCPROLOG, /* no document prologue */
1.18 schwarze 133: MANDOCERR_MEM, /* static buffer exhausted */
1.1 kristaps 134: MANDOCERR_MAX
135: };
136:
1.22 kristaps 137: /*
138: * Available registers (set in libroff, accessed elsewhere).
139: */
1.16 kristaps 140: enum regs {
1.22 kristaps 141: REG_nS = 0,
1.16 kristaps 142: REG__MAX
1.21 kristaps 143: };
144:
1.22 kristaps 145: /*
146: * A register (struct reg) can consist of many types: this consists of
147: * normalised types from the original string form.
148: */
149: union regval {
150: unsigned u; /* unsigned integer */
1.16 kristaps 151: };
152:
153: /*
154: * A single register entity. If "set" is zero, the value of the
155: * register should be the default one, which is per-register. It's
156: * assumed that callers know which type in "v" corresponds to which
157: * register value.
158: */
159: struct reg {
160: int set; /* whether set or not */
1.22 kristaps 161: union regval v; /* parsed data */
1.16 kristaps 162: };
163:
164: /*
165: * The primary interface to setting register values is in libroff,
166: * although libmdoc and libman from time to time will manipulate
167: * registers (such as `.Sh SYNOPSIS' enabling REG_nS).
168: */
169: struct regset {
170: struct reg regs[REG__MAX];
171: };
1.22 kristaps 172:
173: __BEGIN_DECLS
1.16 kristaps 174:
175: /*
176: * Callback function for warnings, errors, and fatal errors as they
177: * occur in the compilers libroff, libmdoc, and libman.
178: */
179: typedef int (*mandocmsg)(enum mandocerr, void *,
180: int, int, const char *);
1.1 kristaps 181:
182: __END_DECLS
183:
184: #endif /*!MANDOC_H*/
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