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--- old/usr/src/cmd/mandoc/mandoc.h
+++ new/usr/src/cmd/mandoc/mandoc.h
1 -/* $Id: mandoc.h,v 1.99 2012/02/16 20:51:31 joerg Exp $ */
1 +/* $Id: mandoc.h,v 1.112 2013/12/30 18:30:32 schwarze Exp $ */
2 2 /*
3 3 * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
4 + * Copyright (c) 2012, 2013 Ingo Schwarze <schwarze@openbsd.org>
4 5 *
5 6 * Permission to use, copy, modify, and distribute this software for any
6 7 * purpose with or without fee is hereby granted, provided that the above
7 8 * copyright notice and this permission notice appear in all copies.
8 9 *
9 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 17 */
17 18 #ifndef MANDOC_H
18 19 #define MANDOC_H
19 20
20 21 #define ASCII_NBRSP 31 /* non-breaking space */
21 22 #define ASCII_HYPH 30 /* breakable hyphen */
22 23
23 24 /*
24 25 * Status level. This refers to both internal status (i.e., whilst
25 26 * running, when warnings/errors are reported) and an indicator of a
26 27 * threshold of when to halt (when said internal state exceeds the
27 28 * threshold).
28 29 */
29 30 enum mandoclevel {
30 31 MANDOCLEVEL_OK = 0,
31 32 MANDOCLEVEL_RESERVED,
32 33 MANDOCLEVEL_WARNING, /* warnings: syntax, whitespace, etc. */
33 34 MANDOCLEVEL_ERROR, /* input has been thrown away */
34 35 MANDOCLEVEL_FATAL, /* input is borked */
35 36 MANDOCLEVEL_BADARG, /* bad argument in invocation */
36 37 MANDOCLEVEL_SYSERR, /* system error */
37 38 MANDOCLEVEL_MAX
38 39 };
39 40
40 41 /*
41 42 * All possible things that can go wrong within a parse, be it libroff,
42 43 * libmdoc, or libman.
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43 44 */
44 45 enum mandocerr {
45 46 MANDOCERR_OK,
46 47
47 48 MANDOCERR_WARNING, /* ===== start of warnings ===== */
48 49
49 50 /* related to the prologue */
50 51 MANDOCERR_NOTITLE, /* no title in document */
51 52 MANDOCERR_UPPERCASE, /* document title should be all caps */
52 53 MANDOCERR_BADMSEC, /* unknown manual section */
54 + MANDOCERR_BADVOLARCH, /* unknown manual volume or arch */
53 55 MANDOCERR_NODATE, /* date missing, using today's date */
54 56 MANDOCERR_BADDATE, /* cannot parse date, using it verbatim */
55 57 MANDOCERR_PROLOGOOO, /* prologue macros out of order */
56 58 MANDOCERR_PROLOGREP, /* duplicate prologue macro */
57 59 MANDOCERR_BADPROLOG, /* macro not allowed in prologue */
58 60 MANDOCERR_BADBODY, /* macro not allowed in body */
59 61
60 62 /* related to document structure */
61 63 MANDOCERR_SO, /* .so is fragile, better use ln(1) */
62 64 MANDOCERR_NAMESECFIRST, /* NAME section must come first */
63 65 MANDOCERR_BADNAMESEC, /* bad NAME section contents */
64 - MANDOCERR_NONAME, /* manual name not yet set */
65 66 MANDOCERR_SECOOO, /* sections out of conventional order */
66 67 MANDOCERR_SECREP, /* duplicate section name */
67 - MANDOCERR_SECMSEC, /* section not in conventional manual section */
68 + MANDOCERR_SECMSEC, /* section header suited to sections ... */
68 69
69 70 /* related to macros and nesting */
70 71 MANDOCERR_MACROOBS, /* skipping obsolete macro */
71 72 MANDOCERR_IGNPAR, /* skipping paragraph macro */
73 + MANDOCERR_MOVEPAR, /* moving paragraph macro out of list */
72 74 MANDOCERR_IGNNS, /* skipping no-space macro */
73 75 MANDOCERR_SCOPENEST, /* blocks badly nested */
74 76 MANDOCERR_CHILD, /* child violates parent syntax */
75 77 MANDOCERR_NESTEDDISP, /* nested displays are not portable */
76 78 MANDOCERR_SCOPEREP, /* already in literal mode */
77 79 MANDOCERR_LINESCOPE, /* line scope broken */
78 80
79 81 /* related to missing macro arguments */
80 82 MANDOCERR_MACROEMPTY, /* skipping empty macro */
81 83 MANDOCERR_ARGCWARN, /* argument count wrong */
82 84 MANDOCERR_DISPTYPE, /* missing display type */
83 85 MANDOCERR_LISTFIRST, /* list type must come first */
84 86 MANDOCERR_NOWIDTHARG, /* tag lists require a width argument */
85 87 MANDOCERR_FONTTYPE, /* missing font type */
86 88 MANDOCERR_WNOSCOPE, /* skipping end of block that is not open */
87 89
88 90 /* related to bad macro arguments */
89 91 MANDOCERR_IGNARGV, /* skipping argument */
90 92 MANDOCERR_ARGVREP, /* duplicate argument */
91 93 MANDOCERR_DISPREP, /* duplicate display type */
92 94 MANDOCERR_LISTREP, /* duplicate list type */
93 95 MANDOCERR_BADATT, /* unknown AT&T UNIX version */
94 96 MANDOCERR_BADBOOL, /* bad Boolean value */
95 97 MANDOCERR_BADFONT, /* unknown font */
96 98 MANDOCERR_BADSTANDARD, /* unknown standard specifier */
97 99 MANDOCERR_BADWIDTH, /* bad width argument */
98 100
99 101 /* related to plain text */
100 102 MANDOCERR_NOBLANKLN, /* blank line in non-literal context */
101 103 MANDOCERR_BADTAB, /* tab in non-literal context */
102 104 MANDOCERR_EOLNSPACE, /* end of line whitespace */
103 105 MANDOCERR_BADCOMMENT, /* bad comment style */
104 106 MANDOCERR_BADESCAPE, /* unknown escape sequence */
105 107 MANDOCERR_BADQUOTE, /* unterminated quoted string */
106 108
107 109 /* related to equations */
108 110 MANDOCERR_EQNQUOTE, /* unexpected literal in equation */
109 111
110 112 MANDOCERR_ERROR, /* ===== start of errors ===== */
111 113
112 114 /* related to equations */
113 115 MANDOCERR_EQNNSCOPE, /* unexpected equation scope closure*/
114 116 MANDOCERR_EQNSCOPE, /* equation scope open on exit */
115 117 MANDOCERR_EQNBADSCOPE, /* overlapping equation scopes */
116 118 MANDOCERR_EQNEOF, /* unexpected end of equation */
117 119 MANDOCERR_EQNSYNT, /* equation syntax error */
118 120
119 121 /* related to tables */
120 122 MANDOCERR_TBL, /* bad table syntax */
121 123 MANDOCERR_TBLOPT, /* bad table option */
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122 124 MANDOCERR_TBLLAYOUT, /* bad table layout */
123 125 MANDOCERR_TBLNOLAYOUT, /* no table layout cells specified */
124 126 MANDOCERR_TBLNODATA, /* no table data cells specified */
125 127 MANDOCERR_TBLIGNDATA, /* ignore data in cell */
126 128 MANDOCERR_TBLBLOCK, /* data block still open */
127 129 MANDOCERR_TBLEXTRADAT, /* ignoring extra data cells */
128 130
129 131 MANDOCERR_ROFFLOOP, /* input stack limit exceeded, infinite loop? */
130 132 MANDOCERR_BADCHAR, /* skipping bad character */
131 133 MANDOCERR_NAMESC, /* escaped character not allowed in a name */
134 + MANDOCERR_NONAME, /* manual name not yet set */
132 135 MANDOCERR_NOTEXT, /* skipping text before the first section header */
133 136 MANDOCERR_MACRO, /* skipping unknown macro */
134 137 MANDOCERR_REQUEST, /* NOT IMPLEMENTED: skipping request */
135 138 MANDOCERR_ARGCOUNT, /* argument count wrong */
139 + MANDOCERR_STRAYTA, /* skipping column outside column list */
136 140 MANDOCERR_NOSCOPE, /* skipping end of block that is not open */
137 141 MANDOCERR_SCOPEBROKEN, /* missing end of block */
138 142 MANDOCERR_SCOPEEXIT, /* scope open on exit */
139 143 MANDOCERR_UNAME, /* uname(3) system call failed */
140 144 /* FIXME: merge following with MANDOCERR_ARGCOUNT */
141 145 MANDOCERR_NOARGS, /* macro requires line argument(s) */
142 146 MANDOCERR_NOBODY, /* macro requires body argument(s) */
143 147 MANDOCERR_NOARGV, /* macro requires argument(s) */
148 + MANDOCERR_NUMERIC, /* request requires a numeric argument */
144 149 MANDOCERR_LISTTYPE, /* missing list type */
145 150 MANDOCERR_ARGSLOST, /* line argument(s) will be lost */
146 151 MANDOCERR_BODYLOST, /* body argument(s) will be lost */
147 152
148 153 MANDOCERR_FATAL, /* ===== start of fatal errors ===== */
149 154
150 155 MANDOCERR_NOTMANUAL, /* manual isn't really a manual */
151 156 MANDOCERR_COLUMNS, /* column syntax is inconsistent */
152 157 MANDOCERR_BADDISP, /* NOT IMPLEMENTED: .Bd -file */
153 158 MANDOCERR_SYNTARGVCOUNT, /* argument count wrong, violates syntax */
154 159 MANDOCERR_SYNTCHILD, /* child violates parent syntax */
155 160 MANDOCERR_SYNTARGCOUNT, /* argument count wrong, violates syntax */
156 161 MANDOCERR_SOPATH, /* NOT IMPLEMENTED: .so with absolute path or ".." */
157 162 MANDOCERR_NODOCBODY, /* no document body */
158 163 MANDOCERR_NODOCPROLOG, /* no document prologue */
159 164 MANDOCERR_MEM, /* static buffer exhausted */
160 165 MANDOCERR_MAX
161 166 };
162 167
163 -struct tbl {
168 +struct tbl_opts {
164 169 char tab; /* cell-separator */
165 170 char decimal; /* decimal point */
166 171 int linesize;
167 172 int opts;
168 173 #define TBL_OPT_CENTRE (1 << 0)
169 174 #define TBL_OPT_EXPAND (1 << 1)
170 175 #define TBL_OPT_BOX (1 << 2)
171 176 #define TBL_OPT_DBOX (1 << 3)
172 177 #define TBL_OPT_ALLBOX (1 << 4)
173 178 #define TBL_OPT_NOKEEP (1 << 5)
174 179 #define TBL_OPT_NOSPACE (1 << 6)
175 180 int cols; /* number of columns */
176 181 };
177 182
178 -enum tbl_headt {
179 - TBL_HEAD_DATA, /* plug in data from tbl_dat */
180 - TBL_HEAD_VERT, /* vertical spacer */
181 - TBL_HEAD_DVERT /* double-vertical spacer */
182 -};
183 -
184 183 /*
185 184 * The head of a table specifies all of its columns. When formatting a
186 185 * tbl_span, iterate over these and plug in data from the tbl_span when
187 186 * appropriate, using tbl_cell as a guide to placement.
188 187 */
189 188 struct tbl_head {
190 - enum tbl_headt pos;
191 189 int ident; /* 0 <= unique id < cols */
190 + int vert; /* width of preceding vertical line */
192 191 struct tbl_head *next;
193 192 struct tbl_head *prev;
194 193 };
195 194
196 195 enum tbl_cellt {
197 196 TBL_CELL_CENTRE, /* c, C */
198 197 TBL_CELL_RIGHT, /* r, R */
199 198 TBL_CELL_LEFT, /* l, L */
200 199 TBL_CELL_NUMBER, /* n, N */
201 200 TBL_CELL_SPAN, /* s, S */
202 201 TBL_CELL_LONG, /* a, A */
203 202 TBL_CELL_DOWN, /* ^ */
204 203 TBL_CELL_HORIZ, /* _, - */
205 204 TBL_CELL_DHORIZ, /* = */
206 - TBL_CELL_VERT, /* | */
207 - TBL_CELL_DVERT, /* || */
208 205 TBL_CELL_MAX
209 206 };
210 207
211 208 /*
212 209 * A cell in a layout row.
213 210 */
214 211 struct tbl_cell {
215 212 struct tbl_cell *next;
213 + int vert; /* width of preceding vertical line */
216 214 enum tbl_cellt pos;
217 215 size_t spacing;
218 216 int flags;
219 217 #define TBL_CELL_TALIGN (1 << 0) /* t, T */
220 218 #define TBL_CELL_BALIGN (1 << 1) /* d, D */
221 219 #define TBL_CELL_BOLD (1 << 2) /* fB, B, b */
222 220 #define TBL_CELL_ITALIC (1 << 3) /* fI, I, i */
223 221 #define TBL_CELL_EQUAL (1 << 4) /* e, E */
224 222 #define TBL_CELL_UP (1 << 5) /* u, U */
225 223 #define TBL_CELL_WIGN (1 << 6) /* z, Z */
226 224 struct tbl_head *head;
227 225 };
228 226
229 227 /*
230 228 * A layout row.
231 229 */
232 230 struct tbl_row {
233 231 struct tbl_row *next;
234 232 struct tbl_cell *first;
235 233 struct tbl_cell *last;
236 234 };
237 235
238 236 enum tbl_datt {
239 237 TBL_DATA_NONE, /* has no data */
240 238 TBL_DATA_DATA, /* consists of data/string */
241 239 TBL_DATA_HORIZ, /* horizontal line */
242 240 TBL_DATA_DHORIZ, /* double-horizontal line */
243 241 TBL_DATA_NHORIZ, /* squeezed horizontal line */
244 242 TBL_DATA_NDHORIZ /* squeezed double-horizontal line */
245 243 };
246 244
247 245 /*
248 246 * A cell within a row of data. The "string" field contains the actual
249 247 * string value that's in the cell. The rest is layout.
250 248 */
251 249 struct tbl_dat {
252 250 struct tbl_cell *layout; /* layout cell */
253 251 int spans; /* how many spans follow */
254 252 struct tbl_dat *next;
255 253 char *string; /* data (NULL if not TBL_DATA_DATA) */
256 254 enum tbl_datt pos;
257 255 };
258 256
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259 257 enum tbl_spant {
260 258 TBL_SPAN_DATA, /* span consists of data */
261 259 TBL_SPAN_HORIZ, /* span is horizontal line */
262 260 TBL_SPAN_DHORIZ /* span is double horizontal line */
263 261 };
264 262
265 263 /*
266 264 * A row of data in a table.
267 265 */
268 266 struct tbl_span {
269 - struct tbl *tbl;
267 + struct tbl_opts *opts;
270 268 struct tbl_head *head;
271 269 struct tbl_row *layout; /* layout row */
272 270 struct tbl_dat *first;
273 271 struct tbl_dat *last;
274 272 int line; /* parse line */
275 273 int flags;
276 274 #define TBL_SPAN_FIRST (1 << 0)
277 275 #define TBL_SPAN_LAST (1 << 1)
278 276 enum tbl_spant pos;
279 277 struct tbl_span *next;
280 278 };
281 279
282 280 enum eqn_boxt {
283 281 EQN_ROOT, /* root of parse tree */
284 282 EQN_TEXT, /* text (number, variable, whatever) */
285 283 EQN_SUBEXPR, /* nested `eqn' subexpression */
286 284 EQN_LIST, /* subexpressions list */
287 285 EQN_MATRIX /* matrix subexpression */
288 286 };
289 287
290 288 enum eqn_markt {
291 289 EQNMARK_NONE = 0,
292 290 EQNMARK_DOT,
293 291 EQNMARK_DOTDOT,
294 292 EQNMARK_HAT,
295 293 EQNMARK_TILDE,
296 294 EQNMARK_VEC,
297 295 EQNMARK_DYAD,
298 296 EQNMARK_BAR,
299 297 EQNMARK_UNDER,
300 298 EQNMARK__MAX
301 299 };
302 300
303 301 enum eqn_fontt {
304 302 EQNFONT_NONE = 0,
305 303 EQNFONT_ROMAN,
306 304 EQNFONT_BOLD,
307 305 EQNFONT_FAT,
308 306 EQNFONT_ITALIC,
309 307 EQNFONT__MAX
310 308 };
311 309
312 310 enum eqn_post {
313 311 EQNPOS_NONE = 0,
314 312 EQNPOS_OVER,
315 313 EQNPOS_SUP,
316 314 EQNPOS_SUB,
317 315 EQNPOS_TO,
318 316 EQNPOS_FROM,
319 317 EQNPOS__MAX
320 318 };
321 319
322 320 enum eqn_pilet {
323 321 EQNPILE_NONE = 0,
324 322 EQNPILE_PILE,
325 323 EQNPILE_CPILE,
326 324 EQNPILE_RPILE,
327 325 EQNPILE_LPILE,
328 326 EQNPILE_COL,
329 327 EQNPILE_CCOL,
330 328 EQNPILE_RCOL,
331 329 EQNPILE_LCOL,
332 330 EQNPILE__MAX
333 331 };
334 332
335 333 /*
336 334 * A "box" is a parsed mathematical expression as defined by the eqn.7
337 335 * grammar.
338 336 */
339 337 struct eqn_box {
340 338 int size; /* font size of expression */
341 339 #define EQN_DEFSIZE INT_MIN
342 340 enum eqn_boxt type; /* type of node */
343 341 struct eqn_box *first; /* first child node */
344 342 struct eqn_box *last; /* last child node */
345 343 struct eqn_box *next; /* node sibling */
346 344 struct eqn_box *parent; /* node sibling */
347 345 char *text; /* text (or NULL) */
348 346 char *left;
349 347 char *right;
350 348 enum eqn_post pos; /* position of next box */
351 349 enum eqn_markt mark; /* a mark about the box */
352 350 enum eqn_fontt font; /* font of box */
353 351 enum eqn_pilet pile; /* equation piling */
354 352 };
355 353
356 354 /*
357 355 * An equation consists of a tree of expressions starting at a given
358 356 * line and position.
359 357 */
360 358 struct eqn {
361 359 char *name; /* identifier (or NULL) */
362 360 struct eqn_box *root; /* root mathematical expression */
363 361 int ln; /* invocation line */
364 362 int pos; /* invocation position */
365 363 };
366 364
367 365 /*
368 366 * The type of parse sequence. This value is usually passed via the
369 367 * mandoc(1) command line of -man and -mdoc. It's almost exclusively
370 368 * -mandoc but the others have been retained for compatibility.
371 369 */
372 370 enum mparset {
373 371 MPARSE_AUTO, /* magically determine the document type */
374 372 MPARSE_MDOC, /* assume -mdoc */
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375 373 MPARSE_MAN /* assume -man */
376 374 };
377 375
378 376 enum mandoc_esc {
379 377 ESCAPE_ERROR = 0, /* bail! unparsable escape */
380 378 ESCAPE_IGNORE, /* escape to be ignored */
381 379 ESCAPE_SPECIAL, /* a regular special character */
382 380 ESCAPE_FONT, /* a generic font mode */
383 381 ESCAPE_FONTBOLD, /* bold font mode */
384 382 ESCAPE_FONTITALIC, /* italic font mode */
383 + ESCAPE_FONTBI, /* bold italic font mode */
385 384 ESCAPE_FONTROMAN, /* roman font mode */
386 385 ESCAPE_FONTPREV, /* previous font mode */
387 386 ESCAPE_NUMBERED, /* a numbered glyph */
388 387 ESCAPE_UNICODE, /* a unicode codepoint */
389 - ESCAPE_NOSPACE /* suppress space if the last on a line */
388 + ESCAPE_NOSPACE, /* suppress space if the last on a line */
389 + ESCAPE_SKIPCHAR /* skip the next character */
390 390 };
391 391
392 392 typedef void (*mandocmsg)(enum mandocerr, enum mandoclevel,
393 393 const char *, int, int, const char *);
394 394
395 395 struct mparse;
396 396 struct mchars;
397 397 struct mdoc;
398 398 struct man;
399 399
400 400 __BEGIN_DECLS
401 401
402 402 void *mandoc_calloc(size_t, size_t);
403 403 enum mandoc_esc mandoc_escape(const char **, const char **, int *);
404 404 void *mandoc_malloc(size_t);
405 405 void *mandoc_realloc(void *, size_t);
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406 406 char *mandoc_strdup(const char *);
407 407 char *mandoc_strndup(const char *, size_t);
408 408 struct mchars *mchars_alloc(void);
409 409 void mchars_free(struct mchars *);
410 410 char mchars_num2char(const char *, size_t);
411 411 int mchars_num2uc(const char *, size_t);
412 412 int mchars_spec2cp(const struct mchars *,
413 413 const char *, size_t);
414 414 const char *mchars_spec2str(const struct mchars *,
415 415 const char *, size_t, size_t *);
416 -struct mparse *mparse_alloc(enum mparset,
417 - enum mandoclevel, mandocmsg, void *);
416 +struct mparse *mparse_alloc(enum mparset, enum mandoclevel,
417 + mandocmsg, void *, char *);
418 418 void mparse_free(struct mparse *);
419 419 void mparse_keep(struct mparse *);
420 420 enum mandoclevel mparse_readfd(struct mparse *, int, const char *);
421 421 enum mandoclevel mparse_readmem(struct mparse *, const void *, size_t,
422 422 const char *);
423 423 void mparse_reset(struct mparse *);
424 424 void mparse_result(struct mparse *,
425 425 struct mdoc **, struct man **);
426 426 const char *mparse_getkeep(const struct mparse *);
427 427 const char *mparse_strerror(enum mandocerr);
428 428 const char *mparse_strlevel(enum mandoclevel);
429 429
430 430 __END_DECLS
431 431
432 432 #endif /*!MANDOC_H*/
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