Annotation of mandoc/roff.c, Revision 1.7
1.7 ! kristaps 1: /* $Id: roff.c,v 1.6 2008/11/26 16:50:34 kristaps Exp $ */
1.1 kristaps 2: /*
3: * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
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
7: * above copyright notice and this permission notice appear in all
8: * copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
11: * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
12: * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
13: * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
14: * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
15: * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
16: * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17: * PERFORMANCE OF THIS SOFTWARE.
18: */
19: #include <assert.h>
20: #include <ctype.h>
21: #include <err.h>
22: #include <stdlib.h>
23: #include <stdio.h>
24: #include <string.h>
25: #include <time.h>
26:
27: #include "libmdocml.h"
28: #include "private.h"
29:
1.6 kristaps 30: /* FIXME: warn if Pp occurs before/after Sh etc. (see mdoc.samples). */
31:
1.7 ! kristaps 32: /* FIXME: warn about "X section only" macros. */
! 33:
1.6 kristaps 34: /* FIXME: warn about empty lists. */
35:
1.7 ! kristaps 36: /* FIXME: ; : } ) (etc.) after text macros? */
! 37:
1.1 kristaps 38: #define ROFF_MAXARG 10
39:
40: enum roffd {
41: ROFF_ENTER = 0,
42: ROFF_EXIT
43: };
44:
45: enum rofftype {
46: ROFF_COMMENT,
47: ROFF_TEXT,
48: ROFF_LAYOUT
49: };
50:
51: #define ROFFCALL_ARGS \
1.2 kristaps 52: int tok, struct rofftree *tree, \
53: const char *argv[], enum roffd type
1.1 kristaps 54:
55: struct rofftree;
56:
57: struct rofftok {
1.5 kristaps 58: int (*cb)(ROFFCALL_ARGS); /* Callback. */
59: const int *args; /* Args (or NULL). */
1.6 kristaps 60: const int *parents;
61: const int *children;
62: int ctx;
1.5 kristaps 63: enum rofftype type; /* Type of macro. */
1.1 kristaps 64: int flags;
1.7 ! kristaps 65: #define ROFF_PARSED (1 << 0) /* "Parsed". */
! 66: #define ROFF_CALLABLE (1 << 1) /* "Callable". */
! 67: #define ROFF_QUOTES (1 << 2) /* Quoted args. */
1.1 kristaps 68: };
69:
70: struct roffarg {
71: int flags;
1.5 kristaps 72: #define ROFF_VALUE (1 << 0) /* Has a value. */
1.1 kristaps 73: };
74:
75: struct roffnode {
1.5 kristaps 76: int tok; /* Token id. */
77: struct roffnode *parent; /* Parent (or NULL). */
78: size_t line; /* Parsed at line. */
1.1 kristaps 79: };
80:
81: struct rofftree {
1.5 kristaps 82: struct roffnode *last; /* Last parsed node. */
83: time_t date; /* `Dd' results. */
84: char os[64]; /* `Os' results. */
85: char title[64]; /* `Dt' results. */
86: char section[64]; /* `Dt' results. */
87: char volume[64]; /* `Dt' results. */
1.1 kristaps 88: int state;
1.5 kristaps 89: #define ROFF_PRELUDE (1 << 1) /* In roff prelude. */
90: /* FIXME: if we had prev ptrs, this wouldn't be necessary. */
91: #define ROFF_PRELUDE_Os (1 << 2) /* `Os' is parsed. */
92: #define ROFF_PRELUDE_Dt (1 << 3) /* `Dt' is parsed. */
93: #define ROFF_PRELUDE_Dd (1 << 4) /* `Dd' is parsed. */
94: #define ROFF_BODY (1 << 5) /* In roff body. */
95: struct md_mbuf *mbuf; /* Output (or NULL). */
96: const struct md_args *args; /* Global args. */
97: const struct md_rbuf *rbuf; /* Input. */
1.6 kristaps 98: const struct roffcb *cb;
1.1 kristaps 99: };
100:
101: static int roff_Dd(ROFFCALL_ARGS);
102: static int roff_Dt(ROFFCALL_ARGS);
103: static int roff_Os(ROFFCALL_ARGS);
1.6 kristaps 104:
1.2 kristaps 105: static int roff_layout(ROFFCALL_ARGS);
106: static int roff_text(ROFFCALL_ARGS);
1.6 kristaps 107: static int roff_comment(ROFFCALL_ARGS);
1.1 kristaps 108:
1.4 kristaps 109: static struct roffnode *roffnode_new(int, struct rofftree *);
1.1 kristaps 110: static void roffnode_free(int, struct rofftree *);
111:
1.7 ! kristaps 112: static int roffscan(int, const int *);
1.1 kristaps 113: static int rofffindtok(const char *);
114: static int rofffindarg(const char *);
1.2 kristaps 115: static int rofffindcallable(const char *);
1.1 kristaps 116: static int roffargs(int, char *, char **);
1.5 kristaps 117: static int roffargok(int, int);
118: static int roffnextopt(int, const char ***, char **);
1.1 kristaps 119: static int roffparse(struct rofftree *, char *, size_t);
120: static int textparse(const struct rofftree *,
121: const char *, size_t);
122:
1.6 kristaps 123:
1.7 ! kristaps 124: static const int roffarg_An[] = { ROFF_Split, ROFF_Nosplit,
! 125: ROFF_ARGMAX };
! 126: static const int roffarg_Bd[] = { ROFF_Ragged, ROFF_Unfilled,
! 127: ROFF_Literal, ROFF_File, ROFF_Offset, ROFF_ARGMAX };
! 128: static const int roffarg_Ex[] = { ROFF_Std, ROFF_ARGMAX };
! 129: static const int roffarg_Rv[] = { ROFF_Std, ROFF_ARGMAX };
! 130: static const int roffarg_Bl[] = { ROFF_Bullet, ROFF_Dash,
! 131: ROFF_Hyphen, ROFF_Item, ROFF_Enum, ROFF_Tag, ROFF_Diag,
! 132: ROFF_Hang, ROFF_Ohang, ROFF_Inset, ROFF_Column, ROFF_Offset,
! 133: ROFF_ARGMAX };
! 134: static const int roffarg_St[] = {
! 135: ROFF_p1003_1_88, ROFF_p1003_1_90, ROFF_p1003_1_96,
! 136: ROFF_p1003_1_2001, ROFF_p1003_1_2004, ROFF_p1003_1,
! 137: ROFF_p1003_1b, ROFF_p1003_1b_93, ROFF_p1003_1c_95,
! 138: ROFF_p1003_1g_2000, ROFF_p1003_2_92, ROFF_p1387_2_95,
! 139: ROFF_p1003_2, ROFF_p1387_2, ROFF_isoC_90, ROFF_isoC_amd1,
! 140: ROFF_isoC_tcor1, ROFF_isoC_tcor2, ROFF_isoC_99, ROFF_ansiC,
! 141: ROFF_ansiC_89, ROFF_ansiC_99, ROFF_ieee754, ROFF_iso8802_3,
! 142: ROFF_xpg3, ROFF_xpg4, ROFF_xpg4_2, ROFF_xpg4_3, ROFF_xbd5,
! 143: ROFF_xcu5, ROFF_xsh5, ROFF_xns5, ROFF_xns5_2d2_0,
! 144: ROFF_xcurses4_2, ROFF_susv2, ROFF_susv3, ROFF_svid4,
! 145: ROFF_ARGMAX };
1.5 kristaps 146:
1.7 ! kristaps 147: static const int roffchild_Oo[] = { ROFF_Op, ROFF_Oc, ROFF_MAX };
1.6 kristaps 148: static const int roffchild_Bl[] = { ROFF_It, ROFF_El, ROFF_MAX };
1.7 ! kristaps 149: static const int roffchild_Fo[] = { ROFF_Fa, ROFF_Fc, ROFF_MAX };
1.6 kristaps 150:
151: static const int roffparent_El[] = { ROFF_Bl, ROFF_It, ROFF_MAX };
1.7 ! kristaps 152: static const int roffparent_Fc[] = { ROFF_Fo, ROFF_Fa, ROFF_MAX };
! 153: static const int roffparent_Oc[] = { ROFF_Oo, ROFF_Oc, ROFF_MAX };
1.6 kristaps 154: static const int roffparent_It[] = { ROFF_Bl, ROFF_MAX };
1.1 kristaps 155:
1.5 kristaps 156: /* Table of all known tokens. */
1.4 kristaps 157: static const struct rofftok tokens[ROFF_MAX] = {
1.6 kristaps 158: {roff_comment, NULL, NULL, NULL, 0, ROFF_COMMENT, 0 }, /* \" */
159: { roff_Dd, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Dd */
160: { roff_Dt, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Dt */
161: { roff_Os, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Os */
162: { roff_layout, NULL, NULL, NULL, ROFF_Sh, ROFF_LAYOUT, ROFF_PARSED }, /* Sh */
163: { roff_layout, NULL, NULL, NULL, ROFF_Ss, ROFF_LAYOUT, ROFF_PARSED }, /* Ss */
164: { roff_text, NULL, NULL, NULL, ROFF_Pp, ROFF_TEXT, 0 }, /* Pp */
165: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* D1 */
166: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Dl */
167: { NULL, NULL, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Bd */
168: { NULL, NULL, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Ed */
1.7 ! kristaps 169: { roff_layout, roffarg_Bl, NULL, roffchild_Bl, 0, ROFF_LAYOUT, 0 }, /* Bl */
! 170: { roff_layout, NULL, roffparent_El, NULL, ROFF_Bl, ROFF_LAYOUT, 0 }, /* El */
! 171: { roff_layout, NULL, roffparent_It, NULL, ROFF_It, ROFF_LAYOUT, 0 }, /* It */
! 172: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ad */
! 173: { roff_text, roffarg_An, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* An */
! 174: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ar */
! 175: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_QUOTES }, /* Cd */ /* XXX man.4 only */
! 176: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Cm */
! 177: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Dv */ /* XXX needs arg */
! 178: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Er */ /* XXX needs arg */
! 179: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ev */ /* XXX needs arg */
! 180: { roff_text, roffarg_Ex, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Ex */
! 181: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Fa */ /* XXX needs arg */
! 182: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Fd */
! 183: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Fl */
! 184: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Fn */ /* XXX needs arg */ /* FIXME */
! 185: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Ft */
! 186: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ic */ /* XXX needs arg */
! 187: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* In */
! 188: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Li */
1.6 kristaps 189: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Nd */
1.7 ! kristaps 190: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Nm */ /* FIXME */
! 191: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Op */
1.6 kristaps 192: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ot */
1.7 ! kristaps 193: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Pa */
! 194: { roff_text, roffarg_Rv, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Rv */
! 195: { roff_text, roffarg_St, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* St */
! 196: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Va */
! 197: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Vt */ /* XXX needs arg */
! 198: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Xr */ /* XXX needs arg */
1.6 kristaps 199: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* %A */
200: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE}, /* %B */
201: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %D */
202: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE}, /* %I */
203: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE}, /* %J */
204: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %N */
205: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %O */
206: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %P */
207: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %R */
208: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* %T */
209: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* %V */
210: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ac */
211: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ao */
212: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Aq */
1.7 ! kristaps 213: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* At */ /* XXX at most 2 args */
1.6 kristaps 214: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Bc */
1.7 ! kristaps 215: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Bf */ /* FIXME */
1.6 kristaps 216: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Bo */
217: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Bq */
1.7 ! kristaps 218: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Bsx */
! 219: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Bx */
1.6 kristaps 220: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Db */
221: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Dc */
222: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Do */
223: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Dq */
224: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ec */
1.7 ! kristaps 225: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Ef */ /* FIXME */
! 226: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Em */ /* XXX needs arg */
1.6 kristaps 227: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Eo */
1.7 ! kristaps 228: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Fx */
1.6 kristaps 229: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Ms */
230: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* No */
231: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ns */
1.7 ! kristaps 232: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Nx */
! 233: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Ox */
1.6 kristaps 234: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Pc */
235: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Pf */
236: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Po */
237: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Pq */
238: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Qc */
239: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Ql */
240: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Qo */
241: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Qq */
242: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Re */
243: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Rs */
244: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Sc */
245: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* So */
246: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Sq */
247: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Sm */
248: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Sx */
249: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Sy */
250: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Tn */
1.7 ! kristaps 251: { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED }, /* Ux */
1.6 kristaps 252: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Xc */
253: { NULL, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Xo */
1.7 ! kristaps 254: { roff_layout, NULL, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Fo */
! 255: { roff_layout, NULL, roffparent_Fc, NULL, ROFF_Fo, ROFF_LAYOUT, 0 }, /* Fc */
! 256: { roff_layout, NULL, NULL, NULL, 0, ROFF_LAYOUT, 0 }, /* Oo */
! 257: { roff_layout, NULL, roffparent_Oc, NULL, ROFF_Oo, ROFF_LAYOUT, 0 }, /* Oc */
1.1 kristaps 258: };
259:
1.5 kristaps 260: /* Table of all known token arguments. */
1.4 kristaps 261: static const struct roffarg tokenargs[ROFF_ARGMAX] = {
1.5 kristaps 262: { 0 }, /* split */
263: { 0 }, /* nosplit */
264: { 0 }, /* ragged */
265: { 0 }, /* unfilled */
266: { 0 }, /* literal */
267: { ROFF_VALUE }, /* file */
268: { ROFF_VALUE }, /* offset */
269: { 0 }, /* bullet */
270: { 0 }, /* dash */
271: { 0 }, /* hyphen */
272: { 0 }, /* item */
273: { 0 }, /* enum */
274: { 0 }, /* tag */
275: { 0 }, /* diag */
276: { 0 }, /* hang */
277: { 0 }, /* ohang */
278: { 0 }, /* inset */
279: { 0 }, /* column */
280: { 0 }, /* width */
281: { 0 }, /* compact */
1.1 kristaps 282: };
283:
1.5 kristaps 284: const char *const toknamesp[ROFF_MAX] =
285: {
286: "\\\"",
287: "Dd", /* Title macros. */
288: "Dt",
289: "Os",
290: "Sh", /* Layout macros */
291: "Ss",
292: "Pp",
293: "D1",
294: "Dl",
295: "Bd",
296: "Ed",
297: "Bl",
298: "El",
299: "It",
300: "Ad", /* Text macros. */
301: "An",
302: "Ar",
303: "Cd",
304: "Cm",
1.7 ! kristaps 305: "Dv",
1.5 kristaps 306: "Er",
307: "Ev",
308: "Ex",
309: "Fa",
310: "Fd",
311: "Fl",
312: "Fn",
313: "Ft",
314: "Ic",
315: "In",
316: "Li",
317: "Nd",
318: "Nm",
319: "Op",
320: "Ot",
321: "Pa",
322: "Rv",
323: "St",
324: "Va",
325: "Vt",
326: "Xr",
327: "\%A", /* General text macros. */
328: "\%B",
329: "\%D",
330: "\%I",
331: "\%J",
332: "\%N",
333: "\%O",
334: "\%P",
335: "\%R",
336: "\%T",
337: "\%V",
338: "Ac",
339: "Ao",
340: "Aq",
341: "At",
342: "Bc",
343: "Bf",
344: "Bo",
345: "Bq",
346: "Bsx",
347: "Bx",
348: "Db",
349: "Dc",
350: "Do",
351: "Dq",
352: "Ec",
353: "Ef",
354: "Em",
355: "Eo",
356: "Fx",
357: "Ms",
358: "No",
359: "Ns",
360: "Nx",
361: "Ox",
362: "Pc",
363: "Pf",
364: "Po",
365: "Pq",
366: "Qc",
367: "Ql",
368: "Qo",
369: "Qq",
370: "Re",
371: "Rs",
372: "Sc",
373: "So",
374: "Sq",
375: "Sm",
376: "Sx",
377: "Sy",
378: "Tn",
379: "Ux",
380: "Xc", /* FIXME: do not support! */
381: "Xo", /* FIXME: do not support! */
1.7 ! kristaps 382: "Fo",
! 383: "Fc",
! 384: "Oo",
! 385: "Oc",
1.5 kristaps 386: };
387:
388: const char *const tokargnamesp[ROFF_ARGMAX] =
389: {
390: "split",
391: "nosplit",
392: "ragged",
393: "unfilled",
394: "literal",
395: "file",
396: "offset",
397: "bullet",
398: "dash",
399: "hyphen",
400: "item",
401: "enum",
402: "tag",
403: "diag",
404: "hang",
405: "ohang",
406: "inset",
407: "column",
408: "width",
409: "compact",
1.7 ! kristaps 410: "std",
! 411: "-p1003.1-88",
! 412: "-p1003.1-90",
! 413: "-p1003.1-96",
! 414: "-p1003.1-2001",
! 415: "-p1003.1-2004",
! 416: "-p1003.1",
! 417: "-p1003.1b",
! 418: "-p1003.1b-93",
! 419: "-p1003.1c-95",
! 420: "-p1003.1g-2000",
! 421: "-p1003.2-92",
! 422: "-p1387.2-95",
! 423: "-p1003.2",
! 424: "-p1387.2",
! 425: "-isoC-90",
! 426: "-isoC-amd1",
! 427: "-isoC-tcor1",
! 428: "-isoC-tcor2",
! 429: "-isoC-99",
! 430: "-ansiC",
! 431: "-ansiC-89",
! 432: "-ansiC-99",
! 433: "-ieee754",
! 434: "-iso8802-3",
! 435: "-xpg3",
! 436: "-xpg4",
! 437: "-xpg4.2",
! 438: "-xpg4.3",
! 439: "-xbd5",
! 440: "-xcu5",
! 441: "-xsh5",
! 442: "-xns5",
! 443: "-xns5.2d2.0",
! 444: "-xcurses4.2",
! 445: "-susv2",
! 446: "-susv3",
! 447: "-svid4",
1.5 kristaps 448: };
449:
450: const char *const *toknames = toknamesp;
451: const char *const *tokargnames = tokargnamesp;
1.4 kristaps 452:
1.1 kristaps 453:
454: int
455: roff_free(struct rofftree *tree, int flush)
456: {
457: int error;
458:
459: assert(tree->mbuf);
460: if ( ! flush)
461: tree->mbuf = NULL;
462:
463: /* LINTED */
464: while (tree->last)
465: if ( ! (*tokens[tree->last->tok].cb)
1.2 kristaps 466: (tree->last->tok, tree, NULL, ROFF_EXIT))
1.1 kristaps 467: /* Disallow flushing. */
468: tree->mbuf = NULL;
469:
470: error = tree->mbuf ? 0 : 1;
471:
472: if (tree->mbuf && (ROFF_PRELUDE & tree->state)) {
473: warnx("%s: prelude never finished",
474: tree->rbuf->name);
475: error = 1;
476: }
477:
478: free(tree);
479: return(error ? 0 : 1);
480: }
481:
482:
483: struct rofftree *
484: roff_alloc(const struct md_args *args, struct md_mbuf *out,
1.6 kristaps 485: const struct md_rbuf *in, const struct roffcb *cb)
1.1 kristaps 486: {
487: struct rofftree *tree;
488:
489: if (NULL == (tree = calloc(1, sizeof(struct rofftree)))) {
490: warn("malloc");
491: return(NULL);
492: }
493:
494: tree->state = ROFF_PRELUDE;
495: tree->args = args;
496: tree->mbuf = out;
497: tree->rbuf = in;
1.6 kristaps 498: tree->cb = cb;
1.1 kristaps 499:
500: return(tree);
501: }
502:
503:
504: int
505: roff_engine(struct rofftree *tree, char *buf, size_t sz)
506: {
507:
508: if (0 == sz) {
509: warnx("%s: blank line (line %zu)",
510: tree->rbuf->name,
511: tree->rbuf->line);
512: return(0);
513: } else if ('.' != *buf)
514: return(textparse(tree, buf, sz));
515:
516: return(roffparse(tree, buf, sz));
517: }
518:
519:
520: static int
521: textparse(const struct rofftree *tree, const char *buf, size_t sz)
522: {
523:
524: if (NULL == tree->last) {
525: warnx("%s: unexpected text (line %zu)",
526: tree->rbuf->name,
527: tree->rbuf->line);
528: return(0);
529: } else if (NULL == tree->last->parent) {
530: warnx("%s: disallowed text (line %zu)",
531: tree->rbuf->name,
532: tree->rbuf->line);
533: return(0);
534: }
535:
536: /* Print text. */
537:
538: return(1);
539: }
540:
541:
542: static int
543: roffargs(int tok, char *buf, char **argv)
544: {
545: int i;
546:
547: (void)tok;/* FIXME: quotable strings? */
548:
549: assert(tok >= 0 && tok < ROFF_MAX);
550: assert('.' == *buf);
551:
552: /* LINTED */
553: for (i = 0; *buf && i < ROFF_MAXARG; i++) {
554: argv[i] = buf++;
555: while (*buf && ! isspace(*buf))
556: buf++;
557: if (0 == *buf) {
558: continue;
559: }
560: *buf++ = 0;
561: while (*buf && isspace(*buf))
562: buf++;
563: }
564:
565: assert(i > 0);
566: if (i < ROFF_MAXARG)
567: argv[i] = NULL;
568:
569: return(ROFF_MAXARG > i);
570: }
571:
572:
1.6 kristaps 573: /* XXX */
574: static int
575: roffscan(int tok, const int *tokv)
576: {
1.7 ! kristaps 577:
1.6 kristaps 578: if (NULL == tokv)
579: return(1);
580:
1.7 ! kristaps 581: for ( ; ROFF_MAX != *tokv; tokv++)
1.6 kristaps 582: if (tok == *tokv)
583: return(1);
584:
585: return(0);
586: }
587:
588:
1.1 kristaps 589: static int
590: roffparse(struct rofftree *tree, char *buf, size_t sz)
591: {
592: int tok, t;
1.6 kristaps 593: struct roffnode *n;
1.1 kristaps 594: char *argv[ROFF_MAXARG];
595: const char **argvp;
596:
597: assert(sz > 0);
598:
1.6 kristaps 599: if (ROFF_MAX == (tok = rofffindtok(buf + 1))) {
600: warnx("%s: unknown line macro (line %zu)",
601: tree->rbuf->name, tree->rbuf->line);
602: return(0);
603: } else if (NULL == tokens[tok].cb) {
604: warnx("%s: macro `%s' not supported (line %zu)",
605: tree->rbuf->name, toknames[tok],
1.1 kristaps 606: tree->rbuf->line);
607: return(0);
1.6 kristaps 608: } else if (ROFF_COMMENT == tokens[tok].type)
609: return(1);
1.5 kristaps 610:
1.6 kristaps 611: if ( ! roffargs(tok, buf, argv)) {
612: warnx("%s: too many args to `%s' (line %zu)",
613: tree->rbuf->name, toknames[tok],
1.1 kristaps 614: tree->rbuf->line);
615: return(0);
1.6 kristaps 616: } else
617: argvp = (const char **)argv + 1;
618:
619: /*
620: * Prelude macros break some assumptions: branch now.
621: */
1.1 kristaps 622:
1.6 kristaps 623: if (ROFF_PRELUDE & tree->state) {
624: assert(NULL == tree->last);
625: return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER));
626: } else
627: assert(tree->last);
628:
629: assert(ROFF_BODY & tree->state);
630:
631: /*
632: * First check that our possible parents and parent's possible
633: * children are satisfied.
634: */
635:
636: if ( ! roffscan(tree->last->tok, tokens[tok].parents)) {
637: warnx("%s: invalid parent `%s' for `%s' (line %zu)",
638: tree->rbuf->name,
639: toknames[tree->last->tok],
640: toknames[tok], tree->rbuf->line);
641: return(0);
642: }
643:
1.7 ! kristaps 644:
! 645: #if 0
! 646: (void)printf("parse: macro `%s' (%d), parent `%s' (%d)\n",
! 647: toknames[tok], tok,
! 648: toknames[tree->last->tok], tree->last->tok);
! 649:
1.6 kristaps 650: if ( ! roffscan(tok, tokens[tree->last->tok].children)) {
651: warnx("%s: invalid child `%s' for `%s' (line %zu)",
1.4 kristaps 652: tree->rbuf->name, toknames[tok],
1.6 kristaps 653: toknames[tree->last->tok],
1.1 kristaps 654: tree->rbuf->line);
655: return(0);
656: }
1.7 ! kristaps 657: #endif
1.1 kristaps 658:
659: /*
1.6 kristaps 660: * Branch if we're not a layout token.
1.1 kristaps 661: */
662:
1.6 kristaps 663: if (ROFF_LAYOUT != tokens[tok].type)
664: return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER));
1.1 kristaps 665:
1.6 kristaps 666: /*
667: * Check our scope rules.
668: */
1.1 kristaps 669:
1.6 kristaps 670: if (0 == tokens[tok].ctx)
671: return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER));
1.1 kristaps 672:
1.6 kristaps 673: if (tok == tokens[tok].ctx) {
674: for (n = tree->last; n; n = n->parent) {
675: assert(0 == tokens[n->tok].ctx ||
676: n->tok == tokens[n->tok].ctx);
677: if (n->tok == tok)
678: break;
679: }
680: if (NULL == n) {
681: #ifdef DEBUG
682: (void)printf("scope: new `%s'\n",
683: toknames[tok]);
684: #endif
685: return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER));
1.1 kristaps 686: }
687: do {
688: t = tree->last->tok;
1.6 kristaps 689: #ifdef DEBUG
690: (void)printf("scope: closing `%s'\n",
691: toknames[t]);
692: #endif
693: if ( ! (*tokens[t].cb)(t, tree, NULL, ROFF_EXIT))
1.1 kristaps 694: return(0);
695: } while (t != tok);
1.6 kristaps 696:
697: return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER));
1.1 kristaps 698: }
699:
1.6 kristaps 700: assert(tok != tokens[tok].ctx && 0 != tokens[tok].ctx);
701:
702: do {
703: t = tree->last->tok;
704: #ifdef DEBUG
705: (void)printf("scope: closing `%s'\n", toknames[t]);
706: #endif
707: if ( ! (*tokens[t].cb)(t, tree, NULL, ROFF_EXIT))
708: return(0);
709: } while (t != tokens[tok].ctx);
1.1 kristaps 710:
1.2 kristaps 711: return((*tokens[tok].cb)(tok, tree, argvp, ROFF_ENTER));
1.1 kristaps 712: }
713:
714:
715: static int
716: rofffindarg(const char *name)
717: {
718: size_t i;
719:
720: /* FIXME: use a table, this is slow but ok for now. */
721:
722: /* LINTED */
723: for (i = 0; i < ROFF_ARGMAX; i++)
724: /* LINTED */
1.4 kristaps 725: if (0 == strcmp(name, tokargnames[i]))
1.1 kristaps 726: return((int)i);
727:
728: return(ROFF_ARGMAX);
729: }
730:
731:
732: static int
1.6 kristaps 733: rofffindtok(const char *buf)
1.1 kristaps 734: {
1.6 kristaps 735: char token[4];
1.1 kristaps 736: size_t i;
737:
1.6 kristaps 738: for (i = 0; *buf && ! isspace(*buf) && i < 3; i++, buf++)
739: token[i] = *buf;
740:
741: if (i == 3) {
742: #ifdef DEBUG
743: (void)printf("lookup: macro too long: `%s'\n", buf);
744: #endif
745: return(ROFF_MAX);
746: }
747:
748: token[i] = 0;
749:
1.1 kristaps 750: /* FIXME: use a table, this is slow but ok for now. */
751:
752: /* LINTED */
753: for (i = 0; i < ROFF_MAX; i++)
754: /* LINTED */
1.7 ! kristaps 755: if (0 == strcmp(toknames[i], token)) {
! 756: #ifdef DEBUG
! 757: (void)printf("lookup (good): `%s' (%d)\n",
! 758: token, (int)i);
! 759: #endif
1.1 kristaps 760: return((int)i);
1.7 ! kristaps 761: }
! 762:
! 763: #ifdef DEBUG
! 764: (void)printf("lookup (bad): `%s'\n", token);
! 765: #endif
1.1 kristaps 766:
767: return(ROFF_MAX);
768: }
769:
770:
1.2 kristaps 771: static int
772: rofffindcallable(const char *name)
773: {
774: int c;
775:
776: if (ROFF_MAX == (c = rofffindtok(name)))
777: return(ROFF_MAX);
778: return(ROFF_CALLABLE & tokens[c].flags ? c : ROFF_MAX);
779: }
780:
781:
1.1 kristaps 782: static struct roffnode *
1.4 kristaps 783: roffnode_new(int tokid, struct rofftree *tree)
1.1 kristaps 784: {
785: struct roffnode *p;
786:
787: if (NULL == (p = malloc(sizeof(struct roffnode)))) {
788: warn("malloc");
789: return(NULL);
790: }
791:
1.4 kristaps 792: p->line = tree->rbuf->line;
1.1 kristaps 793: p->tok = tokid;
794: p->parent = tree->last;
795: tree->last = p;
796: return(p);
797: }
798:
799:
1.5 kristaps 800: static int
801: roffargok(int tokid, int argid)
802: {
803: const int *c;
804:
805: if (NULL == (c = tokens[tokid].args))
806: return(0);
807:
808: for ( ; ROFF_ARGMAX != *c; c++)
809: if (argid == *c)
810: return(1);
811:
812: return(0);
813: }
814:
815:
1.1 kristaps 816: static void
817: roffnode_free(int tokid, struct rofftree *tree)
818: {
819: struct roffnode *p;
820:
821: assert(tree->last);
822: assert(tree->last->tok == tokid);
823:
824: p = tree->last;
825: tree->last = tree->last->parent;
826: free(p);
827: }
828:
829:
1.6 kristaps 830: static int
831: roffnextopt(int tok, const char ***in, char **val)
832: {
833: const char *arg, **argv;
834: int v;
835:
836: *val = NULL;
837: argv = *in;
838: assert(argv);
839:
840: if (NULL == (arg = *argv))
841: return(-1);
842: if ('-' != *arg)
843: return(-1);
844:
845: /* FIXME: should we let this slide... ? */
846:
847: if (ROFF_ARGMAX == (v = rofffindarg(&arg[1])))
848: return(-1);
849:
850: /* FIXME: should we let this slide... ? */
851:
852: if ( ! roffargok(tok, v))
853: return(-1);
854: if ( ! (ROFF_VALUE & tokenargs[v].flags))
855: return(v);
856:
857: *in = ++argv;
858:
859: /* FIXME: what if this looks like a roff token or argument? */
860:
861: return(*argv ? v : ROFF_ARGMAX);
862: }
863:
864:
1.1 kristaps 865: /* ARGSUSED */
866: static int
867: roff_Dd(ROFFCALL_ARGS)
868: {
869:
1.4 kristaps 870: if (ROFF_BODY & tree->state) {
871: assert( ! (ROFF_PRELUDE & tree->state));
872: assert(ROFF_PRELUDE_Dd & tree->state);
873: return(roff_text(tok, tree, argv, type));
874: }
875:
1.1 kristaps 876: assert(ROFF_PRELUDE & tree->state);
1.4 kristaps 877: assert( ! (ROFF_BODY & tree->state));
878:
1.6 kristaps 879: if (ROFF_PRELUDE_Dd & tree->state) {
880: warnx("%s: prelude `Dd' repeated (line %zu)",
881: tree->rbuf->name, tree->rbuf->line);
882: return(0);
883: } else if (ROFF_PRELUDE_Dt & tree->state) {
1.1 kristaps 884: warnx("%s: prelude `Dd' out-of-order (line %zu)",
885: tree->rbuf->name, tree->rbuf->line);
886: return(0);
887: }
888:
1.4 kristaps 889: /* TODO: parse date. */
890:
1.1 kristaps 891: assert(NULL == tree->last);
892: tree->state |= ROFF_PRELUDE_Dd;
893:
894: return(1);
895: }
896:
897:
898: /* ARGSUSED */
899: static int
900: roff_Dt(ROFFCALL_ARGS)
901: {
902:
1.4 kristaps 903: if (ROFF_BODY & tree->state) {
904: assert( ! (ROFF_PRELUDE & tree->state));
905: assert(ROFF_PRELUDE_Dt & tree->state);
906: return(roff_text(tok, tree, argv, type));
907: }
908:
1.1 kristaps 909: assert(ROFF_PRELUDE & tree->state);
1.4 kristaps 910: assert( ! (ROFF_BODY & tree->state));
911:
1.6 kristaps 912: if ( ! (ROFF_PRELUDE_Dd & tree->state)) {
1.1 kristaps 913: warnx("%s: prelude `Dt' out-of-order (line %zu)",
914: tree->rbuf->name, tree->rbuf->line);
915: return(0);
1.6 kristaps 916: } else if (ROFF_PRELUDE_Dt & tree->state) {
917: warnx("%s: prelude `Dt' repeated (line %zu)",
918: tree->rbuf->name, tree->rbuf->line);
919: return(0);
1.1 kristaps 920: }
921:
1.4 kristaps 922: /* TODO: parse date. */
923:
1.1 kristaps 924: assert(NULL == tree->last);
925: tree->state |= ROFF_PRELUDE_Dt;
926:
927: return(1);
928: }
929:
930:
931: /* ARGSUSED */
932: static int
933: roff_Os(ROFFCALL_ARGS)
934: {
935:
936: if (ROFF_EXIT == type) {
1.4 kristaps 937: assert(ROFF_PRELUDE_Os & tree->state);
938: return(roff_layout(tok, tree, argv, type));
939: } else if (ROFF_BODY & tree->state) {
940: assert( ! (ROFF_PRELUDE & tree->state));
941: assert(ROFF_PRELUDE_Os & tree->state);
942: return(roff_text(tok, tree, argv, type));
943: }
1.1 kristaps 944:
945: assert(ROFF_PRELUDE & tree->state);
946: if ( ! (ROFF_PRELUDE_Dt & tree->state) ||
947: ! (ROFF_PRELUDE_Dd & tree->state)) {
948: warnx("%s: prelude `Os' out-of-order (line %zu)",
949: tree->rbuf->name, tree->rbuf->line);
950: return(0);
951: }
952:
1.4 kristaps 953: /* TODO: extract OS. */
1.1 kristaps 954:
955: tree->state |= ROFF_PRELUDE_Os;
956: tree->state &= ~ROFF_PRELUDE;
957: tree->state |= ROFF_BODY;
958:
1.4 kristaps 959: assert(NULL == tree->last);
960:
961: return(roff_layout(tok, tree, argv, type));
1.1 kristaps 962: }
963:
964:
965: /* ARGSUSED */
966: static int
1.2 kristaps 967: roff_layout(ROFFCALL_ARGS)
1.1 kristaps 968: {
1.2 kristaps 969: int i, c, argcp[ROFF_MAXARG];
970: char *v, *argvp[ROFF_MAXARG];
1.1 kristaps 971:
1.4 kristaps 972: if (ROFF_PRELUDE & tree->state) {
973: warnx("%s: macro `%s' called in prelude (line %zu)",
1.5 kristaps 974: tree->rbuf->name,
975: toknames[tok],
1.4 kristaps 976: tree->rbuf->line);
977: return(0);
978: }
979:
1.2 kristaps 980: if (ROFF_EXIT == type) {
981: roffnode_free(tok, tree);
1.6 kristaps 982: return((*tree->cb->roffblkout)(tok));
1.2 kristaps 983: }
1.1 kristaps 984:
1.2 kristaps 985: i = 0;
1.5 kristaps 986:
987: while (-1 != (c = roffnextopt(tok, &argv, &v))) {
1.2 kristaps 988: if (ROFF_ARGMAX == c) {
1.5 kristaps 989: warnx("%s: error parsing `%s' args (line %zu)",
990: tree->rbuf->name,
991: toknames[tok],
992: tree->rbuf->line);
993: return(0);
994: } else if ( ! roffargok(tok, c)) {
995: warnx("%s: arg `%s' not for `%s' (line %zu)",
1.1 kristaps 996: tree->rbuf->name,
1.5 kristaps 997: tokargnames[c],
1.4 kristaps 998: toknames[tok],
1.1 kristaps 999: tree->rbuf->line);
1000: return(0);
1001: }
1.2 kristaps 1002: argcp[i] = c;
1003: argvp[i] = v;
1.5 kristaps 1004: i++;
1.1 kristaps 1005: argv++;
1006: }
1007:
1.5 kristaps 1008: argcp[i] = ROFF_ARGMAX;
1009: argvp[i] = NULL;
1010:
1.4 kristaps 1011: if (NULL == roffnode_new(tok, tree))
1.2 kristaps 1012: return(0);
1013:
1.6 kristaps 1014: if ( ! (*tree->cb->roffin)(tok, argcp, argvp))
1.2 kristaps 1015: return(0);
1016:
1017: if ( ! (ROFF_PARSED & tokens[tok].flags)) {
1018: /* TODO: print all tokens. */
1019:
1.6 kristaps 1020: if ( ! ((*tree->cb->roffout)(tok)))
1.2 kristaps 1021: return(0);
1.6 kristaps 1022: return((*tree->cb->roffblkin)(tok));
1.2 kristaps 1023: }
1024:
1.1 kristaps 1025: while (*argv) {
1.2 kristaps 1026: if (2 >= strlen(*argv) && ROFF_MAX !=
1027: (c = rofffindcallable(*argv)))
1028: if ( ! (*tokens[c].cb)(c, tree,
1029: argv + 1, ROFF_ENTER))
1030: return(0);
1031:
1032: /* TODO: print token. */
1033: argv++;
1034: }
1035:
1.6 kristaps 1036: if ( ! ((*tree->cb->roffout)(tok)))
1.2 kristaps 1037: return(0);
1038:
1.6 kristaps 1039: return((*tree->cb->roffblkin)(tok));
1.2 kristaps 1040: }
1041:
1042:
1043: /* ARGSUSED */
1044: static int
1045: roff_text(ROFFCALL_ARGS)
1046: {
1047: int i, c, argcp[ROFF_MAXARG];
1048: char *v, *argvp[ROFF_MAXARG];
1049:
1.4 kristaps 1050: if (ROFF_PRELUDE & tree->state) {
1051: warnx("%s: macro `%s' called in prelude (line %zu)",
1.5 kristaps 1052: tree->rbuf->name,
1053: toknames[tok],
1.4 kristaps 1054: tree->rbuf->line);
1055: return(0);
1056: }
1057:
1.2 kristaps 1058: i = 0;
1.5 kristaps 1059:
1060: while (-1 != (c = roffnextopt(tok, &argv, &v))) {
1.2 kristaps 1061: if (ROFF_ARGMAX == c) {
1.5 kristaps 1062: warnx("%s: error parsing `%s' args (line %zu)",
1.2 kristaps 1063: tree->rbuf->name,
1.4 kristaps 1064: toknames[tok],
1.2 kristaps 1065: tree->rbuf->line);
1066: return(0);
1.5 kristaps 1067: }
1.2 kristaps 1068: argcp[i] = c;
1069: argvp[i] = v;
1.5 kristaps 1070: i++;
1.1 kristaps 1071: argv++;
1072: }
1073:
1.5 kristaps 1074: argcp[i] = ROFF_ARGMAX;
1075: argvp[i] = NULL;
1076:
1.6 kristaps 1077: if ( ! (*tree->cb->roffin)(tok, argcp, argvp))
1.2 kristaps 1078: return(0);
1.1 kristaps 1079:
1.2 kristaps 1080: if ( ! (ROFF_PARSED & tokens[tok].flags)) {
1081: /* TODO: print all tokens. */
1.6 kristaps 1082: return((*tree->cb->roffout)(tok));
1.2 kristaps 1083: }
1.1 kristaps 1084:
1.2 kristaps 1085: while (*argv) {
1086: if (2 >= strlen(*argv) && ROFF_MAX !=
1087: (c = rofffindcallable(*argv)))
1088: if ( ! (*tokens[c].cb)(c, tree,
1089: argv + 1, ROFF_ENTER))
1090: return(0);
1091:
1092: /* TODO: print token. */
1093: argv++;
1094: }
1095:
1.6 kristaps 1096: return((*tree->cb->roffout)(tok));
1097: }
1098:
1099:
1100: /* ARGUSED */
1101: static int
1102: roff_comment(ROFFCALL_ARGS)
1103: {
1104:
1105: return(1);
1.1 kristaps 1106: }
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