Annotation of mandoc/mandoc.h, Revision 1.54
1.54 ! kristaps 1: /* $Id: mandoc.h,v 1.53 2011/01/12 15:50:42 kristaps Exp $ */
1.1 kristaps 2: /*
1.46 schwarze 3: * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.1 kristaps 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 */
1.35 kristaps 70: MANDOCERR_IGNPAR, /* skipping paragraph macro */
1.54 ! kristaps 71: MANDOCERR_IGNNS, /* skipping no-space macro */
1.14 schwarze 72: MANDOCERR_SCOPENEST, /* blocks badly nested */
1.32 kristaps 73: MANDOCERR_CHILD, /* child violates parent syntax */
74: MANDOCERR_NESTEDDISP, /* nested displays are not portable */
75: MANDOCERR_SCOPEREP, /* already in literal mode */
76:
77: /* related to missing macro arguments */
78: MANDOCERR_MACROEMPTY, /* skipping empty macro */
1.46 schwarze 79: MANDOCERR_ARGCWARN, /* argument count wrong */
1.32 kristaps 80: MANDOCERR_DISPTYPE, /* missing display type */
81: MANDOCERR_LISTFIRST, /* list type must come first */
82: MANDOCERR_NOWIDTHARG, /* tag lists require a width argument */
83: MANDOCERR_FONTTYPE, /* missing font type */
1.53 kristaps 84: MANDOCERR_WNOSCOPE, /* skipping end of block that is not open */
1.13 schwarze 85:
1.32 kristaps 86: /* related to bad macro arguments */
87: MANDOCERR_IGNARGV, /* skipping argument */
88: MANDOCERR_ARGVREP, /* duplicate argument */
89: MANDOCERR_DISPREP, /* duplicate display type */
90: MANDOCERR_LISTREP, /* duplicate list type */
91: MANDOCERR_BADATT, /* unknown AT&T UNIX version */
1.5 kristaps 92: MANDOCERR_BADBOOL, /* bad Boolean value */
1.31 kristaps 93: MANDOCERR_BADFONT, /* unknown font */
1.32 kristaps 94: MANDOCERR_BADSTANDARD, /* unknown standard specifier */
95: MANDOCERR_BADWIDTH, /* bad width argument */
96:
97: /* related to plain text */
98: MANDOCERR_NOBLANKLN, /* blank line in non-literal context */
99: MANDOCERR_BADTAB, /* tab in non-literal context */
100: MANDOCERR_EOLNSPACE, /* end of line whitespace */
1.5 kristaps 101: MANDOCERR_BADCOMMENT, /* bad comment style */
1.32 kristaps 102: MANDOCERR_BADESCAPE, /* unknown escape sequence */
103: MANDOCERR_BADQUOTE, /* unterminated quoted string */
104:
105: MANDOCERR_ERROR, /* ===== start of errors ===== */
106:
1.42 kristaps 107: /* related to tables */
1.36 kristaps 108: MANDOCERR_TBL, /* bad table syntax */
109: MANDOCERR_TBLOPT, /* bad table option */
1.37 kristaps 110: MANDOCERR_TBLLAYOUT, /* bad table layout */
111: MANDOCERR_TBLNOLAYOUT, /* no table layout cells specified */
1.39 kristaps 112: MANDOCERR_TBLNODATA, /* no table data cells specified */
1.47 kristaps 113: MANDOCERR_TBLIGNDATA, /* ignore data in cell */
1.48 kristaps 114: MANDOCERR_TBLBLOCK, /* data block still open */
1.50 kristaps 115: MANDOCERR_TBLEXTRADAT, /* ignoring extra data cells */
1.42 kristaps 116:
1.33 schwarze 117: MANDOCERR_ROFFLOOP, /* input stack limit exceeded, infinite loop? */
1.32 kristaps 118: MANDOCERR_BADCHAR, /* skipping bad character */
1.52 schwarze 119: MANDOCERR_NAMESC, /* escaped character not allowed in a name */
1.32 kristaps 120: MANDOCERR_NOTEXT, /* skipping text before the first section header */
121: MANDOCERR_MACRO, /* skipping unknown macro */
1.25 kristaps 122: MANDOCERR_REQUEST, /* NOT IMPLEMENTED: skipping request */
1.5 kristaps 123: MANDOCERR_LINESCOPE, /* line scope broken */
124: MANDOCERR_ARGCOUNT, /* argument count wrong */
1.32 kristaps 125: MANDOCERR_NOSCOPE, /* skipping end of block that is not open */
1.30 kristaps 126: MANDOCERR_SCOPEBROKEN, /* missing end of block */
1.19 schwarze 127: MANDOCERR_SCOPEEXIT, /* scope open on exit */
1.28 kristaps 128: MANDOCERR_UNAME, /* uname(3) system call failed */
1.5 kristaps 129: /* FIXME: merge following with MANDOCERR_ARGCOUNT */
130: MANDOCERR_NOARGS, /* macro requires line argument(s) */
131: MANDOCERR_NOBODY, /* macro requires body argument(s) */
132: MANDOCERR_NOARGV, /* macro requires argument(s) */
1.10 kristaps 133: MANDOCERR_LISTTYPE, /* missing list type */
1.5 kristaps 134: MANDOCERR_ARGSLOST, /* line argument(s) will be lost */
135: MANDOCERR_BODYLOST, /* body argument(s) will be lost */
1.13 schwarze 136:
1.21 kristaps 137: MANDOCERR_FATAL, /* ===== start of fatal errors ===== */
1.32 kristaps 138:
1.8 kristaps 139: MANDOCERR_COLUMNS, /* column syntax is inconsistent */
1.32 kristaps 140: MANDOCERR_BADDISP, /* NOT IMPLEMENTED: .Bd -file */
1.5 kristaps 141: MANDOCERR_SYNTLINESCOPE, /* line scope broken, syntax violated */
142: MANDOCERR_SYNTARGVCOUNT, /* argument count wrong, violates syntax */
143: MANDOCERR_SYNTCHILD, /* child violates parent syntax */
144: MANDOCERR_SYNTARGCOUNT, /* argument count wrong, violates syntax */
1.26 kristaps 145: MANDOCERR_SOPATH, /* NOT IMPLEMENTED: .so with absolute path or ".." */
1.5 kristaps 146: MANDOCERR_NODOCBODY, /* no document body */
147: MANDOCERR_NODOCPROLOG, /* no document prologue */
1.18 schwarze 148: MANDOCERR_MEM, /* static buffer exhausted */
1.1 kristaps 149: MANDOCERR_MAX
1.43 kristaps 150: };
151:
152: struct tbl {
153: char tab; /* cell-separator */
154: char decimal; /* decimal point */
155: int linesize;
156: int opts;
157: #define TBL_OPT_CENTRE (1 << 0)
158: #define TBL_OPT_EXPAND (1 << 1)
159: #define TBL_OPT_BOX (1 << 2)
160: #define TBL_OPT_DBOX (1 << 3)
161: #define TBL_OPT_ALLBOX (1 << 4)
162: #define TBL_OPT_NOKEEP (1 << 5)
163: #define TBL_OPT_NOSPACE (1 << 6)
1.45 kristaps 164: int cols; /* number of columns */
1.38 kristaps 165: };
166:
1.41 kristaps 167: enum tbl_headt {
168: TBL_HEAD_DATA, /* plug in data from tbl_dat */
169: TBL_HEAD_VERT, /* vertical spacer */
170: TBL_HEAD_DVERT /* double-vertical spacer */
171: };
172:
173: /*
174: * The head of a table specifies all of its columns. When formatting a
175: * tbl_span, iterate over these and plug in data from the tbl_span when
176: * appropriate, using tbl_cell as a guide to placement.
177: */
178: struct tbl_head {
179: enum tbl_headt pos;
1.45 kristaps 180: int ident; /* 0 <= unique id < cols */
1.41 kristaps 181: struct tbl_head *next;
182: struct tbl_head *prev;
183: };
184:
1.38 kristaps 185: enum tbl_cellt {
186: TBL_CELL_CENTRE, /* c, C */
187: TBL_CELL_RIGHT, /* r, R */
188: TBL_CELL_LEFT, /* l, L */
189: TBL_CELL_NUMBER, /* n, N */
190: TBL_CELL_SPAN, /* s, S */
191: TBL_CELL_LONG, /* a, A */
192: TBL_CELL_DOWN, /* ^ */
193: TBL_CELL_HORIZ, /* _, - */
194: TBL_CELL_DHORIZ, /* = */
195: TBL_CELL_VERT, /* | */
196: TBL_CELL_DVERT, /* || */
197: TBL_CELL_MAX
198: };
199:
200: /*
201: * A cell in a layout row.
202: */
203: struct tbl_cell {
204: struct tbl_cell *next;
205: enum tbl_cellt pos;
1.51 kristaps 206: size_t spacing;
1.38 kristaps 207: int flags;
208: #define TBL_CELL_TALIGN (1 << 0) /* t, T */
209: #define TBL_CELL_BALIGN (1 << 1) /* d, D */
210: #define TBL_CELL_BOLD (1 << 2) /* fB, B, b */
211: #define TBL_CELL_ITALIC (1 << 3) /* fI, I, i */
212: #define TBL_CELL_EQUAL (1 << 4) /* e, E */
213: #define TBL_CELL_UP (1 << 5) /* u, U */
214: #define TBL_CELL_WIGN (1 << 6) /* z, Z */
1.41 kristaps 215: struct tbl_head *head;
1.38 kristaps 216: };
217:
218: /*
219: * A layout row.
220: */
221: struct tbl_row {
222: struct tbl_row *next;
223: struct tbl_cell *first;
224: struct tbl_cell *last;
225: };
226:
1.40 kristaps 227: enum tbl_datt {
1.51 kristaps 228: TBL_DATA_NONE, /* has no data */
229: TBL_DATA_DATA, /* consists of data/string */
230: TBL_DATA_HORIZ, /* horizontal line */
231: TBL_DATA_DHORIZ, /* double-horizontal line */
232: TBL_DATA_NHORIZ, /* squeezed horizontal line */
233: TBL_DATA_NDHORIZ /* squeezed double-horizontal line */
1.40 kristaps 234: };
235:
1.38 kristaps 236: /*
237: * A cell within a row of data. The "string" field contains the actual
238: * string value that's in the cell. The rest is layout.
239: */
240: struct tbl_dat {
1.51 kristaps 241: struct tbl_cell *layout; /* layout cell */
1.50 kristaps 242: int spans; /* how many spans follow */
1.38 kristaps 243: struct tbl_dat *next;
1.51 kristaps 244: char *string; /* data (NULL if not TBL_DATA_DATA) */
1.40 kristaps 245: enum tbl_datt pos;
246: };
247:
248: enum tbl_spant {
249: TBL_SPAN_DATA, /* span consists of data */
250: TBL_SPAN_HORIZ, /* span is horizontal line */
251: TBL_SPAN_DHORIZ /* span is double horizontal line */
1.38 kristaps 252: };
253:
254: /*
255: * A row of data in a table.
256: */
257: struct tbl_span {
1.44 kristaps 258: struct tbl *tbl;
259: struct tbl_head *head;
1.51 kristaps 260: struct tbl_row *layout; /* layout row */
1.38 kristaps 261: struct tbl_dat *first;
262: struct tbl_dat *last;
1.44 kristaps 263: int flags;
264: #define TBL_SPAN_FIRST (1 << 0)
265: #define TBL_SPAN_LAST (1 << 1)
1.40 kristaps 266: enum tbl_spant pos;
1.38 kristaps 267: struct tbl_span *next;
1.1 kristaps 268: };
269:
1.22 kristaps 270: /*
271: * Available registers (set in libroff, accessed elsewhere).
272: */
1.16 kristaps 273: enum regs {
1.22 kristaps 274: REG_nS = 0,
1.16 kristaps 275: REG__MAX
1.21 kristaps 276: };
277:
1.22 kristaps 278: /*
279: * A register (struct reg) can consist of many types: this consists of
280: * normalised types from the original string form.
281: */
282: union regval {
283: unsigned u; /* unsigned integer */
1.16 kristaps 284: };
285:
286: /*
287: * A single register entity. If "set" is zero, the value of the
288: * register should be the default one, which is per-register. It's
289: * assumed that callers know which type in "v" corresponds to which
290: * register value.
291: */
292: struct reg {
293: int set; /* whether set or not */
1.22 kristaps 294: union regval v; /* parsed data */
1.16 kristaps 295: };
296:
297: /*
298: * The primary interface to setting register values is in libroff,
299: * although libmdoc and libman from time to time will manipulate
300: * registers (such as `.Sh SYNOPSIS' enabling REG_nS).
301: */
302: struct regset {
303: struct reg regs[REG__MAX];
304: };
1.22 kristaps 305:
306: __BEGIN_DECLS
1.16 kristaps 307:
308: /*
309: * Callback function for warnings, errors, and fatal errors as they
310: * occur in the compilers libroff, libmdoc, and libman.
311: */
312: typedef int (*mandocmsg)(enum mandocerr, void *,
313: int, int, const char *);
1.1 kristaps 314:
315: __END_DECLS
316:
317: #endif /*!MANDOC_H*/
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