Annotation of mandoc/mdoc_man.c, Revision 1.21
1.21 ! schwarze 1: /* $Id: mdoc_man.c,v 1.20 2012/07/08 15:01:57 schwarze Exp $ */
1.1 schwarze 2: /*
1.11 schwarze 3: * Copyright (c) 2011, 2012 Ingo Schwarze <schwarze@openbsd.org>
1.1 schwarze 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: */
1.7 kristaps 17: #ifdef HAVE_CONFIG_H
18: #include "config.h"
19: #endif
20:
1.12 schwarze 21: #include <assert.h>
1.1 schwarze 22: #include <stdio.h>
23: #include <string.h>
24:
25: #include "mandoc.h"
1.11 schwarze 26: #include "out.h"
1.4 kristaps 27: #include "man.h"
1.1 schwarze 28: #include "mdoc.h"
29: #include "main.h"
30:
1.5 kristaps 31: #define DECL_ARGS const struct mdoc_meta *m, \
1.20 schwarze 32: const struct mdoc_node *n
1.1 schwarze 33:
34: struct manact {
1.5 kristaps 35: int (*cond)(DECL_ARGS); /* DON'T run actions */
36: int (*pre)(DECL_ARGS); /* pre-node action */
37: void (*post)(DECL_ARGS); /* post-node action */
38: const char *prefix; /* pre-node string constant */
39: const char *suffix; /* post-node string constant */
1.1 schwarze 40: };
41:
1.5 kristaps 42: static int cond_body(DECL_ARGS);
1.1 schwarze 43: static int cond_head(DECL_ARGS);
1.5 kristaps 44: static void post_bd(DECL_ARGS);
1.13 schwarze 45: static void post_bk(DECL_ARGS);
1.5 kristaps 46: static void post_dl(DECL_ARGS);
1.1 schwarze 47: static void post_enc(DECL_ARGS);
1.17 schwarze 48: static void post_fa(DECL_ARGS);
1.16 schwarze 49: static void post_fn(DECL_ARGS);
1.17 schwarze 50: static void post_fo(DECL_ARGS);
1.15 schwarze 51: static void post_in(DECL_ARGS);
1.14 schwarze 52: static void post_lb(DECL_ARGS);
1.5 kristaps 53: static void post_nm(DECL_ARGS);
1.1 schwarze 54: static void post_percent(DECL_ARGS);
1.5 kristaps 55: static void post_pf(DECL_ARGS);
1.3 schwarze 56: static void post_sect(DECL_ARGS);
1.5 kristaps 57: static void post_sp(DECL_ARGS);
1.18 schwarze 58: static void post_vt(DECL_ARGS);
1.3 schwarze 59: static int pre_ap(DECL_ARGS);
60: static int pre_bd(DECL_ARGS);
1.13 schwarze 61: static int pre_bk(DECL_ARGS);
1.3 schwarze 62: static int pre_br(DECL_ARGS);
1.8 schwarze 63: static int pre_bx(DECL_ARGS);
1.1 schwarze 64: static int pre_dl(DECL_ARGS);
1.5 kristaps 65: static int pre_enc(DECL_ARGS);
1.17 schwarze 66: static int pre_fa(DECL_ARGS);
1.16 schwarze 67: static int pre_fn(DECL_ARGS);
1.17 schwarze 68: static int pre_fo(DECL_ARGS);
1.15 schwarze 69: static int pre_in(DECL_ARGS);
1.1 schwarze 70: static int pre_it(DECL_ARGS);
71: static int pre_nm(DECL_ARGS);
72: static int pre_ns(DECL_ARGS);
73: static int pre_pp(DECL_ARGS);
1.12 schwarze 74: static int pre_sm(DECL_ARGS);
1.3 schwarze 75: static int pre_sp(DECL_ARGS);
1.5 kristaps 76: static int pre_sect(DECL_ARGS);
1.18 schwarze 77: static int pre_vt(DECL_ARGS);
1.8 schwarze 78: static int pre_ux(DECL_ARGS);
1.1 schwarze 79: static int pre_xr(DECL_ARGS);
1.20 schwarze 80: static void print_word(const char *);
81: static void print_offs(const char *);
1.5 kristaps 82: static void print_node(DECL_ARGS);
1.1 schwarze 83:
1.3 schwarze 84: static const struct manact manacts[MDOC_MAX + 1] = {
85: { NULL, pre_ap, NULL, NULL, NULL }, /* Ap */
86: { NULL, NULL, NULL, NULL, NULL }, /* Dd */
87: { NULL, NULL, NULL, NULL, NULL }, /* Dt */
1.8 schwarze 88: { NULL, NULL, NULL, NULL, NULL }, /* Os */
1.3 schwarze 89: { NULL, pre_sect, post_sect, ".SH", NULL }, /* Sh */
90: { NULL, pre_sect, post_sect, ".SS", NULL }, /* Ss */
1.1 schwarze 91: { NULL, pre_pp, NULL, NULL, NULL }, /* Pp */
1.3 schwarze 92: { cond_body, pre_dl, post_dl, NULL, NULL }, /* D1 */
1.1 schwarze 93: { cond_body, pre_dl, post_dl, NULL, NULL }, /* Dl */
1.3 schwarze 94: { cond_body, pre_bd, post_bd, NULL, NULL }, /* Bd */
95: { NULL, NULL, NULL, NULL, NULL }, /* Ed */
96: { NULL, NULL, NULL, NULL, NULL }, /* Bl */
97: { NULL, NULL, NULL, NULL, NULL }, /* El */
1.1 schwarze 98: { NULL, pre_it, NULL, NULL, NULL }, /* _It */
1.9 schwarze 99: { NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Ad */
1.1 schwarze 100: { NULL, NULL, NULL, NULL, NULL }, /* _An */
101: { NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Ar */
1.9 schwarze 102: { NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Cd */
1.1 schwarze 103: { NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Cm */
1.9 schwarze 104: { NULL, pre_enc, post_enc, "\\fR", "\\fP" }, /* Dv */
105: { NULL, pre_enc, post_enc, "\\fR", "\\fP" }, /* Er */
106: { NULL, pre_enc, post_enc, "\\fR", "\\fP" }, /* Ev */
1.1 schwarze 107: { NULL, pre_enc, post_enc, "The \\fB",
108: "\\fP\nutility exits 0 on success, and >0 if an error occurs."
109: }, /* Ex */
1.17 schwarze 110: { NULL, pre_fa, post_fa, NULL, NULL }, /* Fa */
1.1 schwarze 111: { NULL, NULL, NULL, NULL, NULL }, /* _Fd */
112: { NULL, pre_enc, post_enc, "\\fB-", "\\fP" }, /* Fl */
1.16 schwarze 113: { NULL, pre_fn, post_fn, NULL, NULL }, /* Fn */
114: { NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Ft */
1.3 schwarze 115: { NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Ic */
1.15 schwarze 116: { NULL, pre_in, post_in, NULL, NULL }, /* In */
1.9 schwarze 117: { NULL, pre_enc, post_enc, "\\fR", "\\fP" }, /* Li */
1.1 schwarze 118: { cond_head, pre_enc, NULL, "\\- ", NULL }, /* Nd */
119: { NULL, pre_nm, post_nm, NULL, NULL }, /* Nm */
120: { cond_body, pre_enc, post_enc, "[", "]" }, /* Op */
1.8 schwarze 121: { NULL, NULL, NULL, NULL, NULL }, /* Ot */
122: { NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Pa */
1.6 kristaps 123: { NULL, pre_enc, post_enc, "The \\fB",
124: "\\fP\nfunction returns the value 0 if successful;\n"
125: "otherwise the value -1 is returned and the global\n"
126: "variable \\fIerrno\\fP is set to indicate the error."
127: }, /* Rv */
1.8 schwarze 128: { NULL, NULL, NULL, NULL, NULL }, /* St */
1.19 schwarze 129: { NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Va */
1.18 schwarze 130: { NULL, pre_vt, post_vt, NULL, NULL }, /* Vt */
1.8 schwarze 131: { NULL, pre_xr, NULL, NULL, NULL }, /* Xr */
1.1 schwarze 132: { NULL, NULL, post_percent, NULL, NULL }, /* _%A */
133: { NULL, NULL, NULL, NULL, NULL }, /* _%B */
134: { NULL, NULL, post_percent, NULL, NULL }, /* _%D */
135: { NULL, NULL, NULL, NULL, NULL }, /* _%I */
136: { NULL, pre_enc, post_percent, "\\fI", "\\fP" }, /* %J */
137: { NULL, NULL, NULL, NULL, NULL }, /* _%N */
138: { NULL, NULL, NULL, NULL, NULL }, /* _%O */
139: { NULL, NULL, NULL, NULL, NULL }, /* _%P */
140: { NULL, NULL, NULL, NULL, NULL }, /* _%R */
141: { NULL, pre_enc, post_percent, "\"", "\"" }, /* %T */
142: { NULL, NULL, NULL, NULL, NULL }, /* _%V */
1.9 schwarze 143: { NULL, NULL, NULL, NULL, NULL }, /* Ac */
144: { cond_body, pre_enc, post_enc, "<", ">" }, /* Ao */
1.1 schwarze 145: { cond_body, pre_enc, post_enc, "<", ">" }, /* Aq */
1.8 schwarze 146: { NULL, NULL, NULL, NULL, NULL }, /* At */
1.3 schwarze 147: { NULL, NULL, NULL, NULL, NULL }, /* Bc */
1.1 schwarze 148: { NULL, NULL, NULL, NULL, NULL }, /* _Bf */
1.3 schwarze 149: { cond_body, pre_enc, post_enc, "[", "]" }, /* Bo */
150: { cond_body, pre_enc, post_enc, "[", "]" }, /* Bq */
1.8 schwarze 151: { NULL, pre_ux, NULL, "BSD/OS", NULL }, /* Bsx */
152: { NULL, pre_bx, NULL, NULL, NULL }, /* Bx */
153: { NULL, NULL, NULL, NULL, NULL }, /* Db */
1.9 schwarze 154: { NULL, NULL, NULL, NULL, NULL }, /* Dc */
155: { cond_body, pre_enc, post_enc, "``", "''" }, /* Do */
1.1 schwarze 156: { cond_body, pre_enc, post_enc, "``", "''" }, /* Dq */
157: { NULL, NULL, NULL, NULL, NULL }, /* _Ec */
158: { NULL, NULL, NULL, NULL, NULL }, /* _Ef */
1.3 schwarze 159: { NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Em */
1.1 schwarze 160: { NULL, NULL, NULL, NULL, NULL }, /* _Eo */
1.8 schwarze 161: { NULL, pre_ux, NULL, "FreeBSD", NULL }, /* Fx */
1.9 schwarze 162: { NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Ms */
163: { NULL, NULL, NULL, NULL, NULL }, /* No */
1.1 schwarze 164: { NULL, pre_ns, NULL, NULL, NULL }, /* Ns */
1.8 schwarze 165: { NULL, pre_ux, NULL, "NetBSD", NULL }, /* Nx */
166: { NULL, pre_ux, NULL, "OpenBSD", NULL }, /* Ox */
1.3 schwarze 167: { NULL, NULL, NULL, NULL, NULL }, /* Pc */
168: { NULL, NULL, post_pf, NULL, NULL }, /* Pf */
169: { cond_body, pre_enc, post_enc, "(", ")" }, /* Po */
170: { cond_body, pre_enc, post_enc, "(", ")" }, /* Pq */
1.9 schwarze 171: { NULL, NULL, NULL, NULL, NULL }, /* Qc */
1.1 schwarze 172: { cond_body, pre_enc, post_enc, "`", "'" }, /* Ql */
1.9 schwarze 173: { cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qo */
174: { cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qq */
175: { NULL, NULL, NULL, NULL, NULL }, /* Re */
1.1 schwarze 176: { cond_body, pre_pp, NULL, NULL, NULL }, /* Rs */
1.9 schwarze 177: { NULL, NULL, NULL, NULL, NULL }, /* Sc */
178: { cond_body, pre_enc, post_enc, "`", "'" }, /* So */
1.1 schwarze 179: { cond_body, pre_enc, post_enc, "`", "'" }, /* Sq */
1.12 schwarze 180: { NULL, pre_sm, NULL, NULL, NULL }, /* Sm */
1.3 schwarze 181: { NULL, pre_enc, post_enc, "\\fI", "\\fP" }, /* Sx */
182: { NULL, pre_enc, post_enc, "\\fB", "\\fP" }, /* Sy */
1.9 schwarze 183: { NULL, pre_enc, post_enc, "\\fR", "\\fP" }, /* Tn */
1.8 schwarze 184: { NULL, pre_ux, NULL, "UNIX", NULL }, /* Ux */
1.1 schwarze 185: { NULL, NULL, NULL, NULL, NULL }, /* _Xc */
186: { NULL, NULL, NULL, NULL, NULL }, /* _Xo */
1.17 schwarze 187: { NULL, pre_fo, post_fo, NULL, NULL }, /* Fo */
188: { NULL, NULL, NULL, NULL, NULL }, /* Fc */
1.3 schwarze 189: { cond_body, pre_enc, post_enc, "[", "]" }, /* Oo */
1.9 schwarze 190: { NULL, NULL, NULL, NULL, NULL }, /* Oc */
1.13 schwarze 191: { NULL, pre_bk, post_bk, NULL, NULL }, /* Bk */
192: { NULL, NULL, NULL, NULL, NULL }, /* Ek */
1.8 schwarze 193: { NULL, pre_ux, NULL, "is currently in beta test.", NULL }, /* Bt */
194: { NULL, NULL, NULL, NULL, NULL }, /* Hf */
195: { NULL, NULL, NULL, NULL, NULL }, /* Fr */
196: { NULL, pre_ux, NULL, "currently under development.", NULL }, /* Ud */
1.14 schwarze 197: { NULL, NULL, post_lb, NULL, NULL }, /* Lb */
1.3 schwarze 198: { NULL, pre_pp, NULL, NULL, NULL }, /* Lp */
1.1 schwarze 199: { NULL, NULL, NULL, NULL, NULL }, /* _Lk */
200: { NULL, NULL, NULL, NULL, NULL }, /* _Mt */
1.9 schwarze 201: { cond_body, pre_enc, post_enc, "{", "}" }, /* Brq */
202: { cond_body, pre_enc, post_enc, "{", "}" }, /* Bro */
203: { NULL, NULL, NULL, NULL, NULL }, /* Brc */
1.1 schwarze 204: { NULL, NULL, NULL, NULL, NULL }, /* _%C */
205: { NULL, NULL, NULL, NULL, NULL }, /* _Es */
206: { NULL, NULL, NULL, NULL, NULL }, /* _En */
1.8 schwarze 207: { NULL, pre_ux, NULL, "DragonFly", NULL }, /* Dx */
1.1 schwarze 208: { NULL, NULL, NULL, NULL, NULL }, /* _%Q */
1.3 schwarze 209: { NULL, pre_br, NULL, NULL, NULL }, /* br */
210: { NULL, pre_sp, post_sp, NULL, NULL }, /* sp */
1.1 schwarze 211: { NULL, NULL, NULL, NULL, NULL }, /* _%U */
212: { NULL, NULL, NULL, NULL, NULL }, /* _Ta */
1.3 schwarze 213: { NULL, NULL, NULL, NULL, NULL }, /* ROOT */
1.1 schwarze 214: };
215:
1.20 schwarze 216: static int outflags;
217: #define MMAN_spc (1 << 0)
218: #define MMAN_nl (1 << 1)
1.21 ! schwarze 219: #define MMAN_br (1 << 2)
! 220: #define MMAN_sp (1 << 3)
! 221: #define MMAN_Sm (1 << 4)
! 222: #define MMAN_Bk (1 << 5)
1.20 schwarze 223:
1.1 schwarze 224: static void
1.20 schwarze 225: print_word(const char *s)
1.1 schwarze 226: {
1.5 kristaps 227:
1.21 ! schwarze 228: if ((MMAN_sp | MMAN_br | MMAN_nl) & outflags) {
1.5 kristaps 229: /*
230: * If we need a newline, print it now and start afresh.
231: */
1.21 ! schwarze 232: if (MMAN_sp & outflags)
! 233: printf("\n.sp\n");
! 234: else if (MMAN_br & outflags)
! 235: printf("\n.br\n");
! 236: else if (MMAN_nl & outflags)
! 237: putchar('\n');
! 238: outflags &= ~(MMAN_sp|MMAN_br|MMAN_nl|MMAN_spc);
1.20 schwarze 239: } else if (MMAN_spc & outflags && '\0' != s[0])
1.5 kristaps 240: /*
241: * If we need a space, only print it before
242: * (1) a nonzero length word;
243: * (2) a word that is non-punctuation; and
244: * (3) if punctuation, non-terminating puncutation.
245: */
1.13 schwarze 246: if (NULL == strchr(".,:;)]?!", s[0]) || '\0' != s[1]) {
1.20 schwarze 247: if (MMAN_Bk & outflags) {
1.13 schwarze 248: putchar('\\');
249: putchar('~');
250: } else
251: putchar(' ');
252: }
1.5 kristaps 253:
254: /*
255: * Reassign needing space if we're not following opening
256: * punctuation.
257: */
1.20 schwarze 258: if (MMAN_Sm & outflags &&
259: (('(' != s[0] && '[' != s[0]) || '\0' != s[1]))
260: outflags |= MMAN_spc;
261: else
262: outflags &= ~MMAN_spc;
1.5 kristaps 263:
1.1 schwarze 264: for ( ; *s; s++) {
265: switch (*s) {
266: case (ASCII_NBRSP):
267: printf("\\~");
268: break;
269: case (ASCII_HYPH):
270: putchar('-');
271: break;
272: default:
1.5 kristaps 273: putchar((unsigned char)*s);
1.1 schwarze 274: break;
275: }
276: }
1.4 kristaps 277: }
278:
1.11 schwarze 279: static void
1.20 schwarze 280: print_offs(const char *v)
1.11 schwarze 281: {
282: char buf[24];
283: struct roffsu su;
284: size_t sz;
285:
286: if (NULL == v || '\0' == *v || 0 == strcmp(v, "left"))
287: sz = 0;
288: else if (0 == strcmp(v, "indent"))
289: sz = 6;
290: else if (0 == strcmp(v, "indent-two"))
291: sz = 12;
292: else if (a2roffsu(v, &su, SCALE_MAX)) {
1.20 schwarze 293: print_word(v);
1.11 schwarze 294: return;
295: } else
296: sz = strlen(v);
297:
298: snprintf(buf, sizeof(buf), "%ldn", sz);
1.20 schwarze 299: print_word(buf);
1.11 schwarze 300: }
301:
1.4 kristaps 302: void
303: man_man(void *arg, const struct man *man)
304: {
305:
1.5 kristaps 306: /*
307: * Dump the keep buffer.
308: * We're guaranteed by now that this exists (is non-NULL).
309: * Flush stdout afterward, just in case.
310: */
1.4 kristaps 311: fputs(mparse_getkeep(man_mparse(man)), stdout);
1.5 kristaps 312: fflush(stdout);
1.1 schwarze 313: }
314:
315: void
316: man_mdoc(void *arg, const struct mdoc *mdoc)
317: {
318: const struct mdoc_meta *m;
319: const struct mdoc_node *n;
320:
321: m = mdoc_meta(mdoc);
322: n = mdoc_node(mdoc);
323:
1.3 schwarze 324: printf(".TH \"%s\" \"%s\" \"%s\" \"%s\" \"%s\"",
1.5 kristaps 325: m->title, m->msec, m->date, m->os, m->vol);
1.1 schwarze 326:
1.20 schwarze 327: outflags = MMAN_nl | MMAN_Sm;
328: print_node(m, n);
1.3 schwarze 329: putchar('\n');
1.1 schwarze 330: }
331:
332: static void
333: print_node(DECL_ARGS)
334: {
335: const struct mdoc_node *prev, *sub;
1.5 kristaps 336: const struct manact *act;
1.1 schwarze 337: int cond, do_sub;
1.5 kristaps 338:
339: /*
340: * Break the line if we were parsed subsequent the current node.
341: * This makes the page structure be more consistent.
342: */
1.1 schwarze 343: prev = n->prev ? n->prev : n->parent;
1.17 schwarze 344: if (prev && prev->line < n->line &&
345: MDOC_Fo != prev->tok && MDOC_Ns != prev->tok)
1.20 schwarze 346: outflags |= MMAN_nl;
1.1 schwarze 347:
1.5 kristaps 348: act = NULL;
1.1 schwarze 349: cond = 0;
350: do_sub = 1;
1.5 kristaps 351:
1.1 schwarze 352: if (MDOC_TEXT == n->type) {
1.5 kristaps 353: /*
354: * Make sure that we don't happen to start with a
355: * control character at the start of a line.
356: */
1.20 schwarze 357: if (MMAN_nl & outflags && ('.' == *n->string ||
1.5 kristaps 358: '\'' == *n->string)) {
1.20 schwarze 359: print_word("\\&");
360: outflags &= ~MMAN_spc;
1.3 schwarze 361: }
1.20 schwarze 362: print_word(n->string);
1.1 schwarze 363: } else {
1.5 kristaps 364: /*
365: * Conditionally run the pre-node action handler for a
366: * node.
367: */
1.1 schwarze 368: act = manacts + n->tok;
1.20 schwarze 369: cond = NULL == act->cond || (*act->cond)(m, n);
1.1 schwarze 370: if (cond && act->pre)
1.20 schwarze 371: do_sub = (*act->pre)(m, n);
1.1 schwarze 372: }
373:
1.5 kristaps 374: /*
375: * Conditionally run all child nodes.
376: * Note that this iterates over children instead of using
377: * recursion. This prevents unnecessary depth in the stack.
378: */
1.1 schwarze 379: if (do_sub)
380: for (sub = n->child; sub; sub = sub->next)
1.20 schwarze 381: print_node(m, sub);
1.1 schwarze 382:
1.5 kristaps 383: /*
384: * Lastly, conditionally run the post-node handler.
385: */
1.1 schwarze 386: if (cond && act->post)
1.20 schwarze 387: (*act->post)(m, n);
1.1 schwarze 388: }
389:
390: static int
391: cond_head(DECL_ARGS)
392: {
1.5 kristaps 393:
1.1 schwarze 394: return(MDOC_HEAD == n->type);
395: }
396:
397: static int
398: cond_body(DECL_ARGS)
399: {
1.5 kristaps 400:
1.1 schwarze 401: return(MDOC_BODY == n->type);
402: }
403:
1.5 kristaps 404: /*
405: * Output a font encoding before a node, e.g., \fR.
406: * This obviously has no trailing space.
407: */
1.1 schwarze 408: static int
409: pre_enc(DECL_ARGS)
410: {
1.5 kristaps 411: const char *prefix;
1.1 schwarze 412:
413: prefix = manacts[n->tok].prefix;
414: if (NULL == prefix)
415: return(1);
1.20 schwarze 416: print_word(prefix);
417: outflags &= ~MMAN_spc;
1.1 schwarze 418: return(1);
419: }
420:
1.5 kristaps 421: /*
422: * Output a font encoding subsequent a node, e.g., \fP.
423: */
1.1 schwarze 424: static void
425: post_enc(DECL_ARGS)
426: {
427: const char *suffix;
428:
429: suffix = manacts[n->tok].suffix;
430: if (NULL == suffix)
431: return;
1.20 schwarze 432: outflags &= ~MMAN_spc;
433: print_word(suffix);
1.10 schwarze 434: if (MDOC_Fl == n->tok && 0 == n->nchild)
1.20 schwarze 435: outflags &= ~MMAN_spc;
1.1 schwarze 436: }
437:
1.5 kristaps 438: /*
439: * Used in listings (percent = %A, e.g.).
440: * FIXME: this is incomplete.
441: * It doesn't print a nice ", and" for lists.
442: */
1.1 schwarze 443: static void
444: post_percent(DECL_ARGS)
445: {
446:
1.20 schwarze 447: post_enc(m, n);
1.1 schwarze 448: if (n->next)
1.20 schwarze 449: print_word(",");
1.1 schwarze 450: else {
1.20 schwarze 451: print_word(".");
452: outflags |= MMAN_nl;
1.1 schwarze 453: }
454: }
455:
1.5 kristaps 456: /*
457: * Print before a section header.
458: */
1.1 schwarze 459: static int
1.3 schwarze 460: pre_sect(DECL_ARGS)
461: {
462:
463: if (MDOC_HEAD != n->type)
464: return(1);
1.20 schwarze 465: outflags |= MMAN_nl;
466: print_word(manacts[n->tok].prefix);
467: print_word("\"");
468: outflags &= ~MMAN_spc;
1.3 schwarze 469: return(1);
470: }
471:
1.5 kristaps 472: /*
473: * Print subsequent a section header.
474: */
1.3 schwarze 475: static void
476: post_sect(DECL_ARGS)
477: {
478:
479: if (MDOC_HEAD != n->type)
480: return;
1.20 schwarze 481: outflags &= ~MMAN_spc;
482: print_word("\"");
483: outflags |= MMAN_nl;
1.3 schwarze 484: }
485:
486: static int
487: pre_ap(DECL_ARGS)
488: {
489:
1.20 schwarze 490: outflags &= ~MMAN_spc;
491: print_word("'");
492: outflags &= ~MMAN_spc;
1.3 schwarze 493: return(0);
494: }
495:
496: static int
497: pre_bd(DECL_ARGS)
498: {
499:
1.21 ! schwarze 500: if (0 == n->norm->Bd.comp)
! 501: outflags |= MMAN_sp;
1.3 schwarze 502: if (DISP_unfilled == n->norm->Bd.type ||
503: DISP_literal == n->norm->Bd.type) {
1.20 schwarze 504: outflags |= MMAN_nl;
505: print_word(".nf");
1.3 schwarze 506: }
1.20 schwarze 507: outflags |= MMAN_nl;
508: print_word(".RS");
509: print_offs(n->norm->Bd.offs);
510: outflags |= MMAN_nl;
1.3 schwarze 511: return(1);
512: }
513:
514: static void
515: post_bd(DECL_ARGS)
516: {
517:
1.20 schwarze 518: outflags |= MMAN_nl;
519: print_word(".RE");
1.3 schwarze 520: if (DISP_unfilled == n->norm->Bd.type ||
521: DISP_literal == n->norm->Bd.type) {
1.20 schwarze 522: outflags |= MMAN_nl;
523: print_word(".fi");
1.3 schwarze 524: }
1.20 schwarze 525: outflags |= MMAN_nl;
1.13 schwarze 526: }
527:
528: static int
529: pre_bk(DECL_ARGS)
530: {
531:
532: switch (n->type) {
533: case (MDOC_BLOCK):
534: return(1);
535: case (MDOC_BODY):
1.20 schwarze 536: outflags |= MMAN_Bk;
1.13 schwarze 537: return(1);
538: default:
539: return(0);
540: }
541: }
542:
543: static void
544: post_bk(DECL_ARGS)
545: {
546:
547: if (MDOC_BODY == n->type)
1.20 schwarze 548: outflags &= ~MMAN_Bk;
1.3 schwarze 549: }
550:
551: static int
552: pre_br(DECL_ARGS)
553: {
554:
1.21 ! schwarze 555: outflags |= MMAN_br;
1.3 schwarze 556: return(0);
557: }
558:
559: static int
1.8 schwarze 560: pre_bx(DECL_ARGS)
561: {
562:
563: n = n->child;
564: if (n) {
1.20 schwarze 565: print_word(n->string);
566: outflags &= ~MMAN_spc;
1.8 schwarze 567: n = n->next;
568: }
1.20 schwarze 569: print_word("BSD");
1.8 schwarze 570: if (NULL == n)
571: return(0);
1.20 schwarze 572: outflags &= ~MMAN_spc;
573: print_word("-");
574: outflags &= ~MMAN_spc;
575: print_word(n->string);
1.8 schwarze 576: return(0);
577: }
578:
579: static int
1.1 schwarze 580: pre_dl(DECL_ARGS)
581: {
582:
1.20 schwarze 583: outflags |= MMAN_nl;
584: print_word(".RS 6n");
585: outflags |= MMAN_nl;
1.1 schwarze 586: return(1);
587: }
588:
589: static void
590: post_dl(DECL_ARGS)
591: {
592:
1.20 schwarze 593: outflags |= MMAN_nl;
594: print_word(".RE");
595: outflags |= MMAN_nl;
1.16 schwarze 596: }
597:
598: static int
1.17 schwarze 599: pre_fa(DECL_ARGS)
600: {
601:
602: if (MDOC_Fa == n->tok)
603: n = n->child;
604:
605: while (NULL != n) {
1.20 schwarze 606: print_word("\\fI");
607: outflags &= ~MMAN_spc;
608: print_node(m, n);
609: outflags &= ~MMAN_spc;
610: print_word("\\fP");
1.17 schwarze 611: if (NULL != (n = n->next))
1.20 schwarze 612: print_word(",");
1.17 schwarze 613: }
614: return(0);
615: }
616:
617: static void
618: post_fa(DECL_ARGS)
619: {
620:
621: if (NULL != n->next && MDOC_Fa == n->next->tok)
1.20 schwarze 622: print_word(",");
1.17 schwarze 623: }
624:
625: static int
1.16 schwarze 626: pre_fn(DECL_ARGS)
627: {
628:
629: n = n->child;
630: if (NULL == n)
631: return(0);
632:
1.21 ! schwarze 633: if (MDOC_SYNPRETTY & n->flags)
! 634: outflags |= MMAN_br;
1.20 schwarze 635: print_word("\\fB");
636: outflags &= ~MMAN_spc;
637: print_node(m, n);
638: outflags &= ~MMAN_spc;
639: print_word("\\fP(");
640: outflags &= ~MMAN_spc;
641: return(pre_fa(m, n->next));
1.16 schwarze 642: }
643:
644: static void
645: post_fn(DECL_ARGS)
646: {
647:
1.20 schwarze 648: print_word(")");
1.16 schwarze 649: if (MDOC_SYNPRETTY & n->flags) {
1.20 schwarze 650: print_word(";");
1.21 ! schwarze 651: outflags |= MMAN_br;
1.17 schwarze 652: }
653: }
654:
655: static int
656: pre_fo(DECL_ARGS)
657: {
658:
659: switch (n->type) {
660: case (MDOC_HEAD):
1.21 ! schwarze 661: if (MDOC_SYNPRETTY & n->flags)
! 662: outflags |= MMAN_br;
1.20 schwarze 663: print_word("\\fB");
664: outflags &= ~MMAN_spc;
1.17 schwarze 665: break;
666: case (MDOC_BODY):
1.20 schwarze 667: outflags &= ~MMAN_spc;
668: print_word("(");
669: outflags &= ~MMAN_spc;
1.17 schwarze 670: break;
671: default:
672: break;
673: }
674: return(1);
675: }
676:
677: static void
678: post_fo(DECL_ARGS)
679: {
680:
681: switch (n->type) {
682: case (MDOC_HEAD):
1.20 schwarze 683: outflags &= ~MMAN_spc;
684: print_word("\\fP");
1.17 schwarze 685: break;
686: case (MDOC_BODY):
1.20 schwarze 687: post_fn(m, n);
1.17 schwarze 688: break;
689: default:
690: break;
1.16 schwarze 691: }
1.15 schwarze 692: }
693:
694: static int
695: pre_in(DECL_ARGS)
696: {
697:
698: if (MDOC_SYNPRETTY & n->flags) {
1.21 ! schwarze 699: outflags |= MMAN_br;
1.20 schwarze 700: print_word("\\fB#include <");
1.15 schwarze 701: } else
1.20 schwarze 702: print_word("<\\fI");
703: outflags &= ~MMAN_spc;
1.15 schwarze 704: return(1);
705: }
706:
707: static void
708: post_in(DECL_ARGS)
709: {
710:
1.20 schwarze 711: outflags &= ~MMAN_spc;
1.15 schwarze 712: if (MDOC_SYNPRETTY & n->flags) {
1.20 schwarze 713: print_word(">\\fP");
1.21 ! schwarze 714: outflags |= MMAN_br;
1.15 schwarze 715: } else
1.20 schwarze 716: print_word("\\fP>");
1.1 schwarze 717: }
718:
719: static int
720: pre_it(DECL_ARGS)
721: {
722: const struct mdoc_node *bln;
723:
724: if (MDOC_HEAD == n->type) {
1.20 schwarze 725: outflags |= MMAN_nl;
726: print_word(".TP");
1.1 schwarze 727: bln = n->parent->parent->prev;
1.3 schwarze 728: switch (bln->norm->Bl.type) {
729: case (LIST_bullet):
1.20 schwarze 730: print_word("4n");
731: outflags |= MMAN_nl;
732: print_word("\\fBo\\fP");
1.3 schwarze 733: break;
734: default:
735: if (bln->norm->Bl.width)
1.20 schwarze 736: print_word(bln->norm->Bl.width);
1.3 schwarze 737: break;
738: }
1.20 schwarze 739: outflags |= MMAN_nl;
1.1 schwarze 740: }
741: return(1);
1.14 schwarze 742: }
743:
744: static void
745: post_lb(DECL_ARGS)
746: {
747:
1.21 ! schwarze 748: if (SEC_LIBRARY == n->sec)
! 749: outflags |= MMAN_br;
1.1 schwarze 750: }
751:
752: static int
753: pre_nm(DECL_ARGS)
754: {
755:
756: if (MDOC_ELEM != n->type && MDOC_HEAD != n->type)
757: return(1);
1.21 ! schwarze 758: if (MDOC_SYNPRETTY & n->flags)
! 759: outflags |= MMAN_br;
1.20 schwarze 760: print_word("\\fB");
761: outflags &= ~MMAN_spc;
1.1 schwarze 762: if (NULL == n->child)
1.20 schwarze 763: print_word(m->name);
1.1 schwarze 764: return(1);
765: }
766:
767: static void
768: post_nm(DECL_ARGS)
769: {
770:
771: if (MDOC_ELEM != n->type && MDOC_HEAD != n->type)
772: return;
1.20 schwarze 773: outflags &= ~MMAN_spc;
774: print_word("\\fP");
1.1 schwarze 775: }
776:
777: static int
778: pre_ns(DECL_ARGS)
779: {
780:
1.20 schwarze 781: outflags &= ~MMAN_spc;
1.1 schwarze 782: return(0);
783: }
784:
1.3 schwarze 785: static void
786: post_pf(DECL_ARGS)
787: {
788:
1.20 schwarze 789: outflags &= ~MMAN_spc;
1.3 schwarze 790: }
791:
1.1 schwarze 792: static int
793: pre_pp(DECL_ARGS)
794: {
795:
1.20 schwarze 796: outflags |= MMAN_nl;
1.1 schwarze 797: if (MDOC_It == n->parent->tok)
1.20 schwarze 798: print_word(".sp");
1.1 schwarze 799: else
1.20 schwarze 800: print_word(".PP");
801: outflags |= MMAN_nl;
1.10 schwarze 802: return(MDOC_Rs == n->tok);
1.12 schwarze 803: }
804:
805: static int
806: pre_sm(DECL_ARGS)
807: {
808:
809: assert(n->child && MDOC_TEXT == n->child->type);
810: if (0 == strcmp("on", n->child->string))
1.20 schwarze 811: outflags |= MMAN_Sm;
1.12 schwarze 812: else
1.20 schwarze 813: outflags &= ~MMAN_Sm;
1.12 schwarze 814: return(0);
1.1 schwarze 815: }
816:
817: static int
1.3 schwarze 818: pre_sp(DECL_ARGS)
1.1 schwarze 819: {
820:
1.20 schwarze 821: outflags |= MMAN_nl;
822: print_word(".sp");
1.1 schwarze 823: return(1);
824: }
825:
826: static void
1.3 schwarze 827: post_sp(DECL_ARGS)
1.1 schwarze 828: {
829:
1.20 schwarze 830: outflags |= MMAN_nl;
1.18 schwarze 831: }
832:
833: static int
834: pre_vt(DECL_ARGS)
835: {
836:
837: if (MDOC_SYNPRETTY & n->flags) {
838: switch (n->type) {
839: case (MDOC_BLOCK):
840: return(1);
841: case (MDOC_BODY):
842: break;
843: default:
844: return(0);
845: }
1.21 ! schwarze 846: outflags |= MMAN_br;
1.18 schwarze 847: }
1.20 schwarze 848: print_word("\\fI");
849: outflags &= ~MMAN_spc;
1.18 schwarze 850: return(1);
851: }
852:
853: static void
854: post_vt(DECL_ARGS)
855: {
856:
1.19 schwarze 857: if (MDOC_SYNPRETTY & n->flags && MDOC_BODY != n->type)
1.18 schwarze 858: return;
859:
1.20 schwarze 860: outflags &= ~MMAN_spc;
861: print_word("\\fP");
1.21 ! schwarze 862: if (MDOC_SYNPRETTY & n->flags)
! 863: outflags |= MMAN_br;
1.1 schwarze 864: }
865:
866: static int
867: pre_xr(DECL_ARGS)
868: {
869:
870: n = n->child;
871: if (NULL == n)
872: return(0);
1.20 schwarze 873: print_node(m, n);
1.1 schwarze 874: n = n->next;
875: if (NULL == n)
876: return(0);
1.20 schwarze 877: outflags &= ~MMAN_spc;
878: print_word("(");
879: print_node(m, n);
880: print_word(")");
1.1 schwarze 881: return(0);
1.8 schwarze 882: }
883:
884: static int
885: pre_ux(DECL_ARGS)
886: {
887:
1.20 schwarze 888: print_word(manacts[n->tok].prefix);
1.8 schwarze 889: if (NULL == n->child)
890: return(0);
1.20 schwarze 891: outflags &= ~MMAN_spc;
892: print_word("\\~");
893: outflags &= ~MMAN_spc;
1.8 schwarze 894: return(1);
1.1 schwarze 895: }
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