Annotation of mandoc/mdoc_man.c, Revision 1.32
1.32 ! schwarze 1: /* $Id: mdoc_man.c,v 1.31 2012/07/10 19:54:11 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);
1.26 schwarze 44: static void font_push(char);
45: static void font_pop(void);
1.5 kristaps 46: static void post_bd(DECL_ARGS);
1.27 schwarze 47: static void post_bf(DECL_ARGS);
1.13 schwarze 48: static void post_bk(DECL_ARGS);
1.30 schwarze 49: static void post_bl(DECL_ARGS);
1.5 kristaps 50: static void post_dl(DECL_ARGS);
1.1 schwarze 51: static void post_enc(DECL_ARGS);
1.28 schwarze 52: static void post_eo(DECL_ARGS);
1.17 schwarze 53: static void post_fa(DECL_ARGS);
1.29 schwarze 54: static void post_fd(DECL_ARGS);
1.26 schwarze 55: static void post_fl(DECL_ARGS);
1.16 schwarze 56: static void post_fn(DECL_ARGS);
1.17 schwarze 57: static void post_fo(DECL_ARGS);
1.26 schwarze 58: static void post_font(DECL_ARGS);
1.15 schwarze 59: static void post_in(DECL_ARGS);
1.30 schwarze 60: static void post_it(DECL_ARGS);
1.14 schwarze 61: static void post_lb(DECL_ARGS);
1.5 kristaps 62: static void post_nm(DECL_ARGS);
1.1 schwarze 63: static void post_percent(DECL_ARGS);
1.5 kristaps 64: static void post_pf(DECL_ARGS);
1.3 schwarze 65: static void post_sect(DECL_ARGS);
1.5 kristaps 66: static void post_sp(DECL_ARGS);
1.18 schwarze 67: static void post_vt(DECL_ARGS);
1.22 schwarze 68: static int pre_an(DECL_ARGS);
1.3 schwarze 69: static int pre_ap(DECL_ARGS);
70: static int pre_bd(DECL_ARGS);
1.27 schwarze 71: static int pre_bf(DECL_ARGS);
1.13 schwarze 72: static int pre_bk(DECL_ARGS);
1.30 schwarze 73: static int pre_bl(DECL_ARGS);
1.3 schwarze 74: static int pre_br(DECL_ARGS);
1.8 schwarze 75: static int pre_bx(DECL_ARGS);
1.1 schwarze 76: static int pre_dl(DECL_ARGS);
1.5 kristaps 77: static int pre_enc(DECL_ARGS);
1.26 schwarze 78: static int pre_em(DECL_ARGS);
1.17 schwarze 79: static int pre_fa(DECL_ARGS);
1.29 schwarze 80: static int pre_fd(DECL_ARGS);
1.26 schwarze 81: static int pre_fl(DECL_ARGS);
1.16 schwarze 82: static int pre_fn(DECL_ARGS);
1.17 schwarze 83: static int pre_fo(DECL_ARGS);
1.23 schwarze 84: static int pre_ft(DECL_ARGS);
1.15 schwarze 85: static int pre_in(DECL_ARGS);
1.1 schwarze 86: static int pre_it(DECL_ARGS);
1.24 schwarze 87: static int pre_lk(DECL_ARGS);
1.26 schwarze 88: static int pre_li(DECL_ARGS);
1.1 schwarze 89: static int pre_nm(DECL_ARGS);
1.25 schwarze 90: static int pre_no(DECL_ARGS);
1.1 schwarze 91: static int pre_ns(DECL_ARGS);
92: static int pre_pp(DECL_ARGS);
1.12 schwarze 93: static int pre_sm(DECL_ARGS);
1.3 schwarze 94: static int pre_sp(DECL_ARGS);
1.5 kristaps 95: static int pre_sect(DECL_ARGS);
1.26 schwarze 96: static int pre_sy(DECL_ARGS);
1.23 schwarze 97: static void pre_syn(const struct mdoc_node *);
1.18 schwarze 98: static int pre_vt(DECL_ARGS);
1.8 schwarze 99: static int pre_ux(DECL_ARGS);
1.1 schwarze 100: static int pre_xr(DECL_ARGS);
1.20 schwarze 101: static void print_word(const char *);
102: static void print_offs(const char *);
1.31 schwarze 103: static void print_width(const char *, const struct mdoc_node *);
1.30 schwarze 104: static void print_count(int *);
1.5 kristaps 105: static void print_node(DECL_ARGS);
1.1 schwarze 106:
1.3 schwarze 107: static const struct manact manacts[MDOC_MAX + 1] = {
108: { NULL, pre_ap, NULL, NULL, NULL }, /* Ap */
109: { NULL, NULL, NULL, NULL, NULL }, /* Dd */
110: { NULL, NULL, NULL, NULL, NULL }, /* Dt */
1.8 schwarze 111: { NULL, NULL, NULL, NULL, NULL }, /* Os */
1.3 schwarze 112: { NULL, pre_sect, post_sect, ".SH", NULL }, /* Sh */
113: { NULL, pre_sect, post_sect, ".SS", NULL }, /* Ss */
1.1 schwarze 114: { NULL, pre_pp, NULL, NULL, NULL }, /* Pp */
1.3 schwarze 115: { cond_body, pre_dl, post_dl, NULL, NULL }, /* D1 */
1.1 schwarze 116: { cond_body, pre_dl, post_dl, NULL, NULL }, /* Dl */
1.3 schwarze 117: { cond_body, pre_bd, post_bd, NULL, NULL }, /* Bd */
118: { NULL, NULL, NULL, NULL, NULL }, /* Ed */
1.30 schwarze 119: { cond_body, pre_bl, post_bl, NULL, NULL }, /* Bl */
1.3 schwarze 120: { NULL, NULL, NULL, NULL, NULL }, /* El */
1.30 schwarze 121: { NULL, pre_it, post_it, NULL, NULL }, /* It */
1.26 schwarze 122: { NULL, pre_em, post_font, NULL, NULL }, /* Ad */
1.22 schwarze 123: { NULL, pre_an, NULL, NULL, NULL }, /* An */
1.26 schwarze 124: { NULL, pre_em, post_font, NULL, NULL }, /* Ar */
125: { NULL, pre_sy, post_font, NULL, NULL }, /* Cd */
126: { NULL, pre_sy, post_font, NULL, NULL }, /* Cm */
127: { NULL, pre_li, post_font, NULL, NULL }, /* Dv */
128: { NULL, pre_li, post_font, NULL, NULL }, /* Er */
129: { NULL, pre_li, post_font, NULL, NULL }, /* Ev */
1.1 schwarze 130: { NULL, pre_enc, post_enc, "The \\fB",
131: "\\fP\nutility exits 0 on success, and >0 if an error occurs."
132: }, /* Ex */
1.17 schwarze 133: { NULL, pre_fa, post_fa, NULL, NULL }, /* Fa */
1.29 schwarze 134: { NULL, pre_fd, post_fd, NULL, NULL }, /* Fd */
1.26 schwarze 135: { NULL, pre_fl, post_fl, NULL, NULL }, /* Fl */
1.16 schwarze 136: { NULL, pre_fn, post_fn, NULL, NULL }, /* Fn */
1.26 schwarze 137: { NULL, pre_ft, post_font, NULL, NULL }, /* Ft */
138: { NULL, pre_sy, post_font, NULL, NULL }, /* Ic */
1.15 schwarze 139: { NULL, pre_in, post_in, NULL, NULL }, /* In */
1.26 schwarze 140: { NULL, pre_li, post_font, NULL, NULL }, /* Li */
1.1 schwarze 141: { cond_head, pre_enc, NULL, "\\- ", NULL }, /* Nd */
142: { NULL, pre_nm, post_nm, NULL, NULL }, /* Nm */
143: { cond_body, pre_enc, post_enc, "[", "]" }, /* Op */
1.8 schwarze 144: { NULL, NULL, NULL, NULL, NULL }, /* Ot */
1.26 schwarze 145: { NULL, pre_em, post_font, NULL, NULL }, /* Pa */
1.6 kristaps 146: { NULL, pre_enc, post_enc, "The \\fB",
147: "\\fP\nfunction returns the value 0 if successful;\n"
148: "otherwise the value -1 is returned and the global\n"
149: "variable \\fIerrno\\fP is set to indicate the error."
150: }, /* Rv */
1.8 schwarze 151: { NULL, NULL, NULL, NULL, NULL }, /* St */
1.26 schwarze 152: { NULL, pre_em, post_font, NULL, NULL }, /* Va */
1.18 schwarze 153: { NULL, pre_vt, post_vt, NULL, NULL }, /* Vt */
1.8 schwarze 154: { NULL, pre_xr, NULL, NULL, NULL }, /* Xr */
1.1 schwarze 155: { NULL, NULL, post_percent, NULL, NULL }, /* _%A */
156: { NULL, NULL, NULL, NULL, NULL }, /* _%B */
157: { NULL, NULL, post_percent, NULL, NULL }, /* _%D */
158: { NULL, NULL, NULL, NULL, NULL }, /* _%I */
159: { NULL, pre_enc, post_percent, "\\fI", "\\fP" }, /* %J */
160: { NULL, NULL, NULL, NULL, NULL }, /* _%N */
161: { NULL, NULL, NULL, NULL, NULL }, /* _%O */
162: { NULL, NULL, NULL, NULL, NULL }, /* _%P */
163: { NULL, NULL, NULL, NULL, NULL }, /* _%R */
164: { NULL, pre_enc, post_percent, "\"", "\"" }, /* %T */
165: { NULL, NULL, NULL, NULL, NULL }, /* _%V */
1.9 schwarze 166: { NULL, NULL, NULL, NULL, NULL }, /* Ac */
167: { cond_body, pre_enc, post_enc, "<", ">" }, /* Ao */
1.1 schwarze 168: { cond_body, pre_enc, post_enc, "<", ">" }, /* Aq */
1.8 schwarze 169: { NULL, NULL, NULL, NULL, NULL }, /* At */
1.3 schwarze 170: { NULL, NULL, NULL, NULL, NULL }, /* Bc */
1.27 schwarze 171: { NULL, pre_bf, post_bf, NULL, NULL }, /* Bf */
1.3 schwarze 172: { cond_body, pre_enc, post_enc, "[", "]" }, /* Bo */
173: { cond_body, pre_enc, post_enc, "[", "]" }, /* Bq */
1.8 schwarze 174: { NULL, pre_ux, NULL, "BSD/OS", NULL }, /* Bsx */
175: { NULL, pre_bx, NULL, NULL, NULL }, /* Bx */
176: { NULL, NULL, NULL, NULL, NULL }, /* Db */
1.9 schwarze 177: { NULL, NULL, NULL, NULL, NULL }, /* Dc */
178: { cond_body, pre_enc, post_enc, "``", "''" }, /* Do */
1.1 schwarze 179: { cond_body, pre_enc, post_enc, "``", "''" }, /* Dq */
1.28 schwarze 180: { NULL, NULL, NULL, NULL, NULL }, /* Ec */
181: { NULL, NULL, NULL, NULL, NULL }, /* Ef */
1.26 schwarze 182: { NULL, pre_em, post_font, NULL, NULL }, /* Em */
1.28 schwarze 183: { NULL, NULL, post_eo, NULL, NULL }, /* Eo */
1.8 schwarze 184: { NULL, pre_ux, NULL, "FreeBSD", NULL }, /* Fx */
1.26 schwarze 185: { NULL, pre_sy, post_font, NULL, NULL }, /* Ms */
1.25 schwarze 186: { NULL, pre_no, NULL, NULL, NULL }, /* No */
1.1 schwarze 187: { NULL, pre_ns, NULL, NULL, NULL }, /* Ns */
1.8 schwarze 188: { NULL, pre_ux, NULL, "NetBSD", NULL }, /* Nx */
189: { NULL, pre_ux, NULL, "OpenBSD", NULL }, /* Ox */
1.3 schwarze 190: { NULL, NULL, NULL, NULL, NULL }, /* Pc */
191: { NULL, NULL, post_pf, NULL, NULL }, /* Pf */
192: { cond_body, pre_enc, post_enc, "(", ")" }, /* Po */
193: { cond_body, pre_enc, post_enc, "(", ")" }, /* Pq */
1.9 schwarze 194: { NULL, NULL, NULL, NULL, NULL }, /* Qc */
1.1 schwarze 195: { cond_body, pre_enc, post_enc, "`", "'" }, /* Ql */
1.9 schwarze 196: { cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qo */
197: { cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qq */
198: { NULL, NULL, NULL, NULL, NULL }, /* Re */
1.1 schwarze 199: { cond_body, pre_pp, NULL, NULL, NULL }, /* Rs */
1.9 schwarze 200: { NULL, NULL, NULL, NULL, NULL }, /* Sc */
201: { cond_body, pre_enc, post_enc, "`", "'" }, /* So */
1.1 schwarze 202: { cond_body, pre_enc, post_enc, "`", "'" }, /* Sq */
1.12 schwarze 203: { NULL, pre_sm, NULL, NULL, NULL }, /* Sm */
1.26 schwarze 204: { NULL, pre_em, post_font, NULL, NULL }, /* Sx */
205: { NULL, pre_sy, post_font, NULL, NULL }, /* Sy */
206: { NULL, pre_li, post_font, NULL, NULL }, /* Tn */
1.8 schwarze 207: { NULL, pre_ux, NULL, "UNIX", NULL }, /* Ux */
1.1 schwarze 208: { NULL, NULL, NULL, NULL, NULL }, /* _Xc */
209: { NULL, NULL, NULL, NULL, NULL }, /* _Xo */
1.17 schwarze 210: { NULL, pre_fo, post_fo, NULL, NULL }, /* Fo */
211: { NULL, NULL, NULL, NULL, NULL }, /* Fc */
1.3 schwarze 212: { cond_body, pre_enc, post_enc, "[", "]" }, /* Oo */
1.9 schwarze 213: { NULL, NULL, NULL, NULL, NULL }, /* Oc */
1.13 schwarze 214: { NULL, pre_bk, post_bk, NULL, NULL }, /* Bk */
215: { NULL, NULL, NULL, NULL, NULL }, /* Ek */
1.8 schwarze 216: { NULL, pre_ux, NULL, "is currently in beta test.", NULL }, /* Bt */
217: { NULL, NULL, NULL, NULL, NULL }, /* Hf */
218: { NULL, NULL, NULL, NULL, NULL }, /* Fr */
219: { NULL, pre_ux, NULL, "currently under development.", NULL }, /* Ud */
1.14 schwarze 220: { NULL, NULL, post_lb, NULL, NULL }, /* Lb */
1.3 schwarze 221: { NULL, pre_pp, NULL, NULL, NULL }, /* Lp */
1.24 schwarze 222: { NULL, pre_lk, NULL, NULL, NULL }, /* Lk */
1.26 schwarze 223: { NULL, pre_em, post_font, NULL, NULL }, /* Mt */
1.9 schwarze 224: { cond_body, pre_enc, post_enc, "{", "}" }, /* Brq */
225: { cond_body, pre_enc, post_enc, "{", "}" }, /* Bro */
226: { NULL, NULL, NULL, NULL, NULL }, /* Brc */
1.1 schwarze 227: { NULL, NULL, NULL, NULL, NULL }, /* _%C */
1.29 schwarze 228: { NULL, NULL, NULL, NULL, NULL }, /* Es */
229: { NULL, NULL, NULL, NULL, NULL }, /* En */
1.8 schwarze 230: { NULL, pre_ux, NULL, "DragonFly", NULL }, /* Dx */
1.1 schwarze 231: { NULL, NULL, NULL, NULL, NULL }, /* _%Q */
1.3 schwarze 232: { NULL, pre_br, NULL, NULL, NULL }, /* br */
233: { NULL, pre_sp, post_sp, NULL, NULL }, /* sp */
1.1 schwarze 234: { NULL, NULL, NULL, NULL, NULL }, /* _%U */
235: { NULL, NULL, NULL, NULL, NULL }, /* _Ta */
1.3 schwarze 236: { NULL, NULL, NULL, NULL, NULL }, /* ROOT */
1.1 schwarze 237: };
238:
1.20 schwarze 239: static int outflags;
240: #define MMAN_spc (1 << 0)
1.25 schwarze 241: #define MMAN_spc_force (1 << 1)
242: #define MMAN_nl (1 << 2)
243: #define MMAN_br (1 << 3)
244: #define MMAN_sp (1 << 4)
245: #define MMAN_Sm (1 << 5)
246: #define MMAN_Bk (1 << 6)
247: #define MMAN_An_split (1 << 7)
248: #define MMAN_An_nosplit (1 << 8)
1.20 schwarze 249:
1.26 schwarze 250: static struct {
251: char *head;
252: char *tail;
253: size_t size;
254: } fontqueue;
255:
256: static void
257: font_push(char newfont)
258: {
259:
260: if (fontqueue.head + fontqueue.size <= ++fontqueue.tail) {
261: fontqueue.size += 8;
262: fontqueue.head = mandoc_realloc(fontqueue.head,
263: fontqueue.size);
264: }
265: *fontqueue.tail = newfont;
266: print_word("\\f");
267: putchar(newfont);
268: outflags &= ~MMAN_spc;
269: }
270:
271: static void
272: font_pop(void)
273: {
274:
275: if (fontqueue.tail > fontqueue.head)
276: fontqueue.tail--;
277: outflags &= ~MMAN_spc;
278: print_word("\\f");
279: putchar(*fontqueue.tail);
280: }
281:
1.1 schwarze 282: static void
1.20 schwarze 283: print_word(const char *s)
1.1 schwarze 284: {
1.5 kristaps 285:
1.21 schwarze 286: if ((MMAN_sp | MMAN_br | MMAN_nl) & outflags) {
1.5 kristaps 287: /*
288: * If we need a newline, print it now and start afresh.
289: */
1.21 schwarze 290: if (MMAN_sp & outflags)
291: printf("\n.sp\n");
292: else if (MMAN_br & outflags)
293: printf("\n.br\n");
294: else if (MMAN_nl & outflags)
295: putchar('\n');
296: outflags &= ~(MMAN_sp|MMAN_br|MMAN_nl|MMAN_spc);
1.20 schwarze 297: } else if (MMAN_spc & outflags && '\0' != s[0])
1.5 kristaps 298: /*
1.25 schwarze 299: * If we need a space, only print it if
300: * (1) it is forced by `No' or
301: * (2) what follows is not terminating punctuation or
302: * (3) what follows is longer than one character.
1.5 kristaps 303: */
1.25 schwarze 304: if (MMAN_spc_force & outflags ||
305: NULL == strchr(".,:;)]?!", s[0]) || '\0' != s[1]) {
1.20 schwarze 306: if (MMAN_Bk & outflags) {
1.13 schwarze 307: putchar('\\');
308: putchar('~');
309: } else
310: putchar(' ');
311: }
1.5 kristaps 312:
313: /*
314: * Reassign needing space if we're not following opening
315: * punctuation.
316: */
1.20 schwarze 317: if (MMAN_Sm & outflags &&
318: (('(' != s[0] && '[' != s[0]) || '\0' != s[1]))
319: outflags |= MMAN_spc;
320: else
321: outflags &= ~MMAN_spc;
1.25 schwarze 322: outflags &= ~MMAN_spc_force;
1.5 kristaps 323:
1.1 schwarze 324: for ( ; *s; s++) {
325: switch (*s) {
326: case (ASCII_NBRSP):
327: printf("\\~");
328: break;
329: case (ASCII_HYPH):
330: putchar('-');
331: break;
332: default:
1.5 kristaps 333: putchar((unsigned char)*s);
1.1 schwarze 334: break;
335: }
336: }
1.4 kristaps 337: }
338:
1.11 schwarze 339: static void
1.20 schwarze 340: print_offs(const char *v)
1.11 schwarze 341: {
342: char buf[24];
343: struct roffsu su;
344: size_t sz;
345:
346: if (NULL == v || '\0' == *v || 0 == strcmp(v, "left"))
347: sz = 0;
348: else if (0 == strcmp(v, "indent"))
349: sz = 6;
350: else if (0 == strcmp(v, "indent-two"))
351: sz = 12;
352: else if (a2roffsu(v, &su, SCALE_MAX)) {
1.20 schwarze 353: print_word(v);
1.11 schwarze 354: return;
355: } else
356: sz = strlen(v);
357:
358: snprintf(buf, sizeof(buf), "%ldn", sz);
1.20 schwarze 359: print_word(buf);
1.11 schwarze 360: }
361:
1.4 kristaps 362: void
1.31 schwarze 363: print_width(const char *v, const struct mdoc_node *child)
1.30 schwarze 364: {
365: char buf[24];
366: struct roffsu su;
1.31 schwarze 367: size_t sz, chsz;
368:
369: /* XXX Rough estimation, might have multiple parts. */
370: chsz = (NULL != child && MDOC_TEXT == child->type) ?
371: strlen(child->string) : 0;
1.30 schwarze 372:
373: if (a2roffsu(v, &su, SCALE_MAX)) {
374: if (SCALE_EN == su.unit)
375: sz = su.scale;
376: else {
1.31 schwarze 377: if (chsz)
378: print_word(".HP");
379: else
380: print_word(".TP");
1.30 schwarze 381: print_word(v);
382: return;
383: }
384: } else
385: sz = strlen(v);
386:
1.31 schwarze 387: if (chsz > sz)
388: print_word(".HP");
389: else
390: print_word(".TP");
1.30 schwarze 391: snprintf(buf, sizeof(buf), "%ldn", sz + 2);
392: print_word(buf);
393: }
394:
395: void
396: print_count(int *count)
397: {
398: char buf[12];
399:
400: snprintf(buf, sizeof(buf), "%d.", ++*count);
401: print_word(buf);
402: }
403:
404: void
1.4 kristaps 405: man_man(void *arg, const struct man *man)
406: {
407:
1.5 kristaps 408: /*
409: * Dump the keep buffer.
410: * We're guaranteed by now that this exists (is non-NULL).
411: * Flush stdout afterward, just in case.
412: */
1.4 kristaps 413: fputs(mparse_getkeep(man_mparse(man)), stdout);
1.5 kristaps 414: fflush(stdout);
1.1 schwarze 415: }
416:
417: void
418: man_mdoc(void *arg, const struct mdoc *mdoc)
419: {
420: const struct mdoc_meta *m;
421: const struct mdoc_node *n;
422:
423: m = mdoc_meta(mdoc);
424: n = mdoc_node(mdoc);
425:
1.3 schwarze 426: printf(".TH \"%s\" \"%s\" \"%s\" \"%s\" \"%s\"",
1.5 kristaps 427: m->title, m->msec, m->date, m->os, m->vol);
1.1 schwarze 428:
1.20 schwarze 429: outflags = MMAN_nl | MMAN_Sm;
1.26 schwarze 430: if (0 == fontqueue.size) {
431: fontqueue.size = 8;
432: fontqueue.head = fontqueue.tail = mandoc_malloc(8);
433: *fontqueue.tail = 'R';
434: }
1.20 schwarze 435: print_node(m, n);
1.3 schwarze 436: putchar('\n');
1.1 schwarze 437: }
438:
439: static void
440: print_node(DECL_ARGS)
441: {
442: const struct mdoc_node *prev, *sub;
1.5 kristaps 443: const struct manact *act;
1.1 schwarze 444: int cond, do_sub;
1.5 kristaps 445:
446: /*
447: * Break the line if we were parsed subsequent the current node.
448: * This makes the page structure be more consistent.
449: */
1.1 schwarze 450: prev = n->prev ? n->prev : n->parent;
1.27 schwarze 451: if (MMAN_spc & outflags && prev && prev->line < n->line)
1.20 schwarze 452: outflags |= MMAN_nl;
1.1 schwarze 453:
1.5 kristaps 454: act = NULL;
1.1 schwarze 455: cond = 0;
456: do_sub = 1;
1.5 kristaps 457:
1.1 schwarze 458: if (MDOC_TEXT == n->type) {
1.5 kristaps 459: /*
460: * Make sure that we don't happen to start with a
461: * control character at the start of a line.
462: */
1.20 schwarze 463: if (MMAN_nl & outflags && ('.' == *n->string ||
1.5 kristaps 464: '\'' == *n->string)) {
1.20 schwarze 465: print_word("\\&");
466: outflags &= ~MMAN_spc;
1.3 schwarze 467: }
1.20 schwarze 468: print_word(n->string);
1.1 schwarze 469: } else {
1.5 kristaps 470: /*
471: * Conditionally run the pre-node action handler for a
472: * node.
473: */
1.1 schwarze 474: act = manacts + n->tok;
1.20 schwarze 475: cond = NULL == act->cond || (*act->cond)(m, n);
1.1 schwarze 476: if (cond && act->pre)
1.20 schwarze 477: do_sub = (*act->pre)(m, n);
1.1 schwarze 478: }
479:
1.5 kristaps 480: /*
481: * Conditionally run all child nodes.
482: * Note that this iterates over children instead of using
483: * recursion. This prevents unnecessary depth in the stack.
484: */
1.1 schwarze 485: if (do_sub)
486: for (sub = n->child; sub; sub = sub->next)
1.20 schwarze 487: print_node(m, sub);
1.1 schwarze 488:
1.5 kristaps 489: /*
490: * Lastly, conditionally run the post-node handler.
491: */
1.1 schwarze 492: if (cond && act->post)
1.20 schwarze 493: (*act->post)(m, n);
1.1 schwarze 494: }
495:
496: static int
497: cond_head(DECL_ARGS)
498: {
1.5 kristaps 499:
1.1 schwarze 500: return(MDOC_HEAD == n->type);
501: }
502:
503: static int
504: cond_body(DECL_ARGS)
505: {
1.5 kristaps 506:
1.1 schwarze 507: return(MDOC_BODY == n->type);
508: }
509:
510: static int
511: pre_enc(DECL_ARGS)
512: {
1.5 kristaps 513: const char *prefix;
1.1 schwarze 514:
515: prefix = manacts[n->tok].prefix;
516: if (NULL == prefix)
517: return(1);
1.20 schwarze 518: print_word(prefix);
519: outflags &= ~MMAN_spc;
1.1 schwarze 520: return(1);
521: }
522:
523: static void
524: post_enc(DECL_ARGS)
525: {
526: const char *suffix;
527:
528: suffix = manacts[n->tok].suffix;
529: if (NULL == suffix)
530: return;
1.20 schwarze 531: outflags &= ~MMAN_spc;
532: print_word(suffix);
1.26 schwarze 533: }
534:
535: static void
536: post_font(DECL_ARGS)
537: {
538:
539: font_pop();
1.1 schwarze 540: }
541:
1.5 kristaps 542: /*
543: * Used in listings (percent = %A, e.g.).
544: * FIXME: this is incomplete.
545: * It doesn't print a nice ", and" for lists.
546: */
1.1 schwarze 547: static void
548: post_percent(DECL_ARGS)
549: {
550:
1.20 schwarze 551: post_enc(m, n);
1.1 schwarze 552: if (n->next)
1.20 schwarze 553: print_word(",");
1.1 schwarze 554: else {
1.20 schwarze 555: print_word(".");
556: outflags |= MMAN_nl;
1.1 schwarze 557: }
558: }
559:
1.5 kristaps 560: /*
561: * Print before a section header.
562: */
1.1 schwarze 563: static int
1.3 schwarze 564: pre_sect(DECL_ARGS)
565: {
566:
567: if (MDOC_HEAD != n->type)
568: return(1);
1.20 schwarze 569: outflags |= MMAN_nl;
570: print_word(manacts[n->tok].prefix);
571: print_word("\"");
572: outflags &= ~MMAN_spc;
1.3 schwarze 573: return(1);
574: }
575:
1.5 kristaps 576: /*
577: * Print subsequent a section header.
578: */
1.3 schwarze 579: static void
580: post_sect(DECL_ARGS)
581: {
582:
583: if (MDOC_HEAD != n->type)
584: return;
1.20 schwarze 585: outflags &= ~MMAN_spc;
586: print_word("\"");
587: outflags |= MMAN_nl;
1.22 schwarze 588: if (MDOC_Sh == n->tok && SEC_AUTHORS == n->sec)
589: outflags &= ~(MMAN_An_split | MMAN_An_nosplit);
590: }
591:
1.23 schwarze 592: /* See mdoc_term.c, synopsis_pre() for comments. */
593: static void
594: pre_syn(const struct mdoc_node *n)
595: {
596:
597: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
598: return;
599:
600: if (n->prev->tok == n->tok &&
601: MDOC_Ft != n->tok &&
602: MDOC_Fo != n->tok &&
603: MDOC_Fn != n->tok) {
604: outflags |= MMAN_br;
605: return;
606: }
607:
608: switch (n->prev->tok) {
609: case (MDOC_Fd):
610: /* FALLTHROUGH */
611: case (MDOC_Fn):
612: /* FALLTHROUGH */
613: case (MDOC_Fo):
614: /* FALLTHROUGH */
615: case (MDOC_In):
616: /* FALLTHROUGH */
617: case (MDOC_Vt):
618: outflags |= MMAN_sp;
619: break;
620: case (MDOC_Ft):
621: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
622: outflags |= MMAN_sp;
623: break;
624: }
625: /* FALLTHROUGH */
626: default:
627: outflags |= MMAN_br;
628: break;
629: }
630: }
631:
1.22 schwarze 632: static int
633: pre_an(DECL_ARGS)
634: {
635:
636: switch (n->norm->An.auth) {
637: case (AUTH_split):
638: outflags &= ~MMAN_An_nosplit;
639: outflags |= MMAN_An_split;
640: return(0);
641: case (AUTH_nosplit):
642: outflags &= ~MMAN_An_split;
643: outflags |= MMAN_An_nosplit;
644: return(0);
645: default:
646: if (MMAN_An_split & outflags)
647: outflags |= MMAN_br;
648: else if (SEC_AUTHORS == n->sec &&
649: ! (MMAN_An_nosplit & outflags))
650: outflags |= MMAN_An_split;
651: return(1);
652: }
1.3 schwarze 653: }
654:
655: static int
656: pre_ap(DECL_ARGS)
657: {
658:
1.20 schwarze 659: outflags &= ~MMAN_spc;
660: print_word("'");
661: outflags &= ~MMAN_spc;
1.3 schwarze 662: return(0);
663: }
664:
665: static int
666: pre_bd(DECL_ARGS)
667: {
668:
1.21 schwarze 669: if (0 == n->norm->Bd.comp)
670: outflags |= MMAN_sp;
1.3 schwarze 671: if (DISP_unfilled == n->norm->Bd.type ||
672: DISP_literal == n->norm->Bd.type) {
1.20 schwarze 673: outflags |= MMAN_nl;
674: print_word(".nf");
1.3 schwarze 675: }
1.20 schwarze 676: outflags |= MMAN_nl;
677: print_word(".RS");
678: print_offs(n->norm->Bd.offs);
679: outflags |= MMAN_nl;
1.3 schwarze 680: return(1);
681: }
682:
683: static void
684: post_bd(DECL_ARGS)
685: {
686:
1.20 schwarze 687: outflags |= MMAN_nl;
688: print_word(".RE");
1.3 schwarze 689: if (DISP_unfilled == n->norm->Bd.type ||
690: DISP_literal == n->norm->Bd.type) {
1.20 schwarze 691: outflags |= MMAN_nl;
692: print_word(".fi");
1.3 schwarze 693: }
1.20 schwarze 694: outflags |= MMAN_nl;
1.13 schwarze 695: }
696:
697: static int
1.27 schwarze 698: pre_bf(DECL_ARGS)
699: {
700:
701: switch (n->type) {
702: case (MDOC_BLOCK):
703: return(1);
704: case (MDOC_BODY):
705: break;
706: default:
707: return(0);
708: }
709: switch (n->norm->Bf.font) {
710: case (FONT_Em):
711: font_push('I');
712: break;
713: case (FONT_Sy):
714: font_push('B');
715: break;
716: default:
717: font_push('R');
718: break;
719: }
720: return(1);
721: }
722:
723: static void
724: post_bf(DECL_ARGS)
725: {
726:
727: if (MDOC_BODY == n->type)
728: font_pop();
729: }
730:
731: static int
1.13 schwarze 732: pre_bk(DECL_ARGS)
733: {
734:
735: switch (n->type) {
736: case (MDOC_BLOCK):
737: return(1);
738: case (MDOC_BODY):
1.20 schwarze 739: outflags |= MMAN_Bk;
1.13 schwarze 740: return(1);
741: default:
742: return(0);
743: }
744: }
745:
746: static void
747: post_bk(DECL_ARGS)
748: {
749:
750: if (MDOC_BODY == n->type)
1.20 schwarze 751: outflags &= ~MMAN_Bk;
1.3 schwarze 752: }
753:
754: static int
1.30 schwarze 755: pre_bl(DECL_ARGS)
756: {
757:
758: if (LIST_enum == n->norm->Bl.type)
759: n->norm->Bl.count = 0;
760: return(1);
761: }
762:
763: static void
764: post_bl(DECL_ARGS)
765: {
766:
1.32 ! schwarze 767: outflags |= MMAN_br;
1.30 schwarze 768: if (LIST_enum == n->norm->Bl.type)
769: n->norm->Bl.count = 0;
770: }
771:
772: static int
1.3 schwarze 773: pre_br(DECL_ARGS)
774: {
775:
1.21 schwarze 776: outflags |= MMAN_br;
1.3 schwarze 777: return(0);
778: }
779:
780: static int
1.8 schwarze 781: pre_bx(DECL_ARGS)
782: {
783:
784: n = n->child;
785: if (n) {
1.20 schwarze 786: print_word(n->string);
787: outflags &= ~MMAN_spc;
1.8 schwarze 788: n = n->next;
789: }
1.20 schwarze 790: print_word("BSD");
1.8 schwarze 791: if (NULL == n)
792: return(0);
1.20 schwarze 793: outflags &= ~MMAN_spc;
794: print_word("-");
795: outflags &= ~MMAN_spc;
796: print_word(n->string);
1.8 schwarze 797: return(0);
798: }
799:
800: static int
1.1 schwarze 801: pre_dl(DECL_ARGS)
802: {
803:
1.20 schwarze 804: outflags |= MMAN_nl;
805: print_word(".RS 6n");
806: outflags |= MMAN_nl;
1.1 schwarze 807: return(1);
808: }
809:
810: static void
811: post_dl(DECL_ARGS)
812: {
813:
1.20 schwarze 814: outflags |= MMAN_nl;
815: print_word(".RE");
816: outflags |= MMAN_nl;
1.16 schwarze 817: }
818:
819: static int
1.26 schwarze 820: pre_em(DECL_ARGS)
821: {
822:
823: font_push('I');
824: return(1);
1.28 schwarze 825: }
826:
827: static void
828: post_eo(DECL_ARGS)
829: {
830:
831: if (MDOC_HEAD == n->type || MDOC_BODY == n->type)
832: outflags &= ~MMAN_spc;
1.26 schwarze 833: }
834:
835: static int
1.17 schwarze 836: pre_fa(DECL_ARGS)
837: {
838:
839: if (MDOC_Fa == n->tok)
840: n = n->child;
841:
842: while (NULL != n) {
1.26 schwarze 843: font_push('I');
1.20 schwarze 844: print_node(m, n);
1.26 schwarze 845: font_pop();
1.17 schwarze 846: if (NULL != (n = n->next))
1.20 schwarze 847: print_word(",");
1.17 schwarze 848: }
849: return(0);
850: }
851:
852: static void
853: post_fa(DECL_ARGS)
854: {
855:
856: if (NULL != n->next && MDOC_Fa == n->next->tok)
1.20 schwarze 857: print_word(",");
1.29 schwarze 858: }
859:
860: static int
861: pre_fd(DECL_ARGS)
862: {
863:
864: pre_syn(n);
865: font_push('B');
866: return(1);
867: }
868:
869: static void
870: post_fd(DECL_ARGS)
871: {
872:
873: font_pop();
874: outflags |= MMAN_br;
1.17 schwarze 875: }
876:
877: static int
1.26 schwarze 878: pre_fl(DECL_ARGS)
879: {
880:
881: font_push('B');
882: print_word("-");
883: outflags &= ~MMAN_spc;
884: return(1);
885: }
886:
887: static void
888: post_fl(DECL_ARGS)
889: {
890:
891: font_pop();
1.27 schwarze 892: if (0 == n->nchild && NULL != n->next &&
893: n->next->line == n->line)
1.26 schwarze 894: outflags &= ~MMAN_spc;
895: }
896:
897: static int
1.16 schwarze 898: pre_fn(DECL_ARGS)
899: {
900:
1.23 schwarze 901: pre_syn(n);
902:
1.16 schwarze 903: n = n->child;
904: if (NULL == n)
905: return(0);
906:
1.26 schwarze 907: font_push('B');
1.20 schwarze 908: print_node(m, n);
1.26 schwarze 909: font_pop();
1.20 schwarze 910: outflags &= ~MMAN_spc;
1.26 schwarze 911: print_word("(");
1.20 schwarze 912: outflags &= ~MMAN_spc;
913: return(pre_fa(m, n->next));
1.16 schwarze 914: }
915:
916: static void
917: post_fn(DECL_ARGS)
918: {
919:
1.20 schwarze 920: print_word(")");
1.16 schwarze 921: if (MDOC_SYNPRETTY & n->flags) {
1.20 schwarze 922: print_word(";");
1.21 schwarze 923: outflags |= MMAN_br;
1.17 schwarze 924: }
925: }
926:
927: static int
928: pre_fo(DECL_ARGS)
929: {
930:
931: switch (n->type) {
1.23 schwarze 932: case (MDOC_BLOCK):
933: pre_syn(n);
934: break;
1.17 schwarze 935: case (MDOC_HEAD):
1.26 schwarze 936: font_push('B');
1.17 schwarze 937: break;
938: case (MDOC_BODY):
1.20 schwarze 939: outflags &= ~MMAN_spc;
940: print_word("(");
941: outflags &= ~MMAN_spc;
1.17 schwarze 942: break;
943: default:
944: break;
945: }
946: return(1);
947: }
948:
949: static void
950: post_fo(DECL_ARGS)
951: {
952:
953: switch (n->type) {
954: case (MDOC_HEAD):
1.26 schwarze 955: font_pop();
1.17 schwarze 956: break;
957: case (MDOC_BODY):
1.20 schwarze 958: post_fn(m, n);
1.17 schwarze 959: break;
960: default:
961: break;
1.16 schwarze 962: }
1.15 schwarze 963: }
964:
965: static int
1.23 schwarze 966: pre_ft(DECL_ARGS)
967: {
968:
969: pre_syn(n);
1.26 schwarze 970: font_push('I');
1.23 schwarze 971: return(1);
972: }
973:
974: static int
1.15 schwarze 975: pre_in(DECL_ARGS)
976: {
977:
978: if (MDOC_SYNPRETTY & n->flags) {
1.23 schwarze 979: pre_syn(n);
1.26 schwarze 980: font_push('B');
981: print_word("#include <");
982: outflags &= ~MMAN_spc;
983: } else {
984: print_word("<");
985: outflags &= ~MMAN_spc;
986: font_push('I');
987: }
1.15 schwarze 988: return(1);
989: }
990:
991: static void
992: post_in(DECL_ARGS)
993: {
994:
995: if (MDOC_SYNPRETTY & n->flags) {
1.26 schwarze 996: outflags &= ~MMAN_spc;
997: print_word(">");
998: font_pop();
1.21 schwarze 999: outflags |= MMAN_br;
1.26 schwarze 1000: } else {
1001: font_pop();
1002: outflags &= ~MMAN_spc;
1003: print_word(">");
1004: }
1.1 schwarze 1005: }
1006:
1007: static int
1008: pre_it(DECL_ARGS)
1009: {
1010: const struct mdoc_node *bln;
1011:
1.30 schwarze 1012: switch (n->type) {
1013: case (MDOC_HEAD):
1.20 schwarze 1014: outflags |= MMAN_nl;
1.30 schwarze 1015: bln = n->parent->parent;
1.3 schwarze 1016: switch (bln->norm->Bl.type) {
1.30 schwarze 1017: case (LIST_item):
1018: if (bln->norm->Bl.comp)
1019: outflags |= MMAN_br;
1020: else
1021: outflags |= MMAN_sp;
1022: return(0);
1023: case (LIST_inset):
1024: /* FALLTHROUGH */
1025: case (LIST_diag):
1026: /* FALLTHROUGH */
1027: case (LIST_ohang):
1028: if (bln->norm->Bl.comp)
1029: outflags |= MMAN_br;
1030: else
1031: outflags |= MMAN_sp;
1032: if (bln->norm->Bl.type == LIST_diag)
1033: print_word(".B \"");
1034: else
1035: print_word(".R \"");
1036: outflags &= ~MMAN_spc;
1037: return(1);
1.3 schwarze 1038: case (LIST_bullet):
1.30 schwarze 1039: /* FALLTHROUGH */
1040: case (LIST_dash):
1041: /* FALLTHROUGH */
1042: case (LIST_hyphen):
1.31 schwarze 1043: print_width(bln->norm->Bl.width, NULL);
1.30 schwarze 1044: outflags |= MMAN_nl;
1045: font_push('B');
1046: if (LIST_bullet == bln->norm->Bl.type)
1047: print_word("o");
1048: else
1049: print_word("-");
1050: font_pop();
1051: break;
1052: case (LIST_enum):
1.31 schwarze 1053: print_width(bln->norm->Bl.width, NULL);
1.30 schwarze 1054: outflags |= MMAN_nl;
1055: print_count(&bln->norm->Bl.count);
1.3 schwarze 1056: break;
1.31 schwarze 1057: case (LIST_hang):
1058: print_width(bln->norm->Bl.width, n->child);
1.32 ! schwarze 1059: break;
! 1060: case (LIST_tag):
! 1061: print_width(bln->norm->Bl.width, NULL);
1.31 schwarze 1062: break;
1.3 schwarze 1063: default:
1.32 ! schwarze 1064: return(1);
1.3 schwarze 1065: }
1.20 schwarze 1066: outflags |= MMAN_nl;
1.30 schwarze 1067: default:
1068: break;
1.1 schwarze 1069: }
1070: return(1);
1.30 schwarze 1071: }
1072:
1073: static void
1074: post_it(DECL_ARGS)
1075: {
1076: const struct mdoc_node *bln;
1077:
1078: if (MDOC_HEAD == n->type) {
1079: bln = n->parent->parent;
1080: switch (bln->norm->Bl.type) {
1081: case (LIST_diag):
1082: outflags &= ~MMAN_spc;
1083: print_word("\\ ");
1084: break;
1085: case (LIST_ohang):
1086: outflags |= MMAN_br;
1087: break;
1088: default:
1089: break;
1090: }
1091: }
1.14 schwarze 1092: }
1093:
1094: static void
1095: post_lb(DECL_ARGS)
1096: {
1097:
1.21 schwarze 1098: if (SEC_LIBRARY == n->sec)
1099: outflags |= MMAN_br;
1.24 schwarze 1100: }
1101:
1102: static int
1103: pre_lk(DECL_ARGS)
1104: {
1105: const struct mdoc_node *link, *descr;
1106:
1107: if (NULL == (link = n->child))
1108: return(0);
1109:
1110: if (NULL != (descr = link->next)) {
1.26 schwarze 1111: font_push('I');
1.24 schwarze 1112: while (NULL != descr) {
1113: print_word(descr->string);
1114: descr = descr->next;
1115: }
1116: print_word(":");
1.26 schwarze 1117: font_pop();
1.24 schwarze 1118: }
1119:
1.26 schwarze 1120: font_push('B');
1.24 schwarze 1121: print_word(link->string);
1.26 schwarze 1122: font_pop();
1.24 schwarze 1123: return(0);
1.1 schwarze 1124: }
1125:
1126: static int
1.26 schwarze 1127: pre_li(DECL_ARGS)
1128: {
1129:
1130: font_push('R');
1131: return(1);
1132: }
1133:
1134: static int
1.1 schwarze 1135: pre_nm(DECL_ARGS)
1136: {
1137:
1.23 schwarze 1138: if (MDOC_BLOCK == n->type)
1139: pre_syn(n);
1.1 schwarze 1140: if (MDOC_ELEM != n->type && MDOC_HEAD != n->type)
1141: return(1);
1.23 schwarze 1142: if (NULL == n->child && NULL == m->name)
1143: return(0);
1.26 schwarze 1144: font_push('B');
1.1 schwarze 1145: if (NULL == n->child)
1.20 schwarze 1146: print_word(m->name);
1.1 schwarze 1147: return(1);
1148: }
1149:
1150: static void
1151: post_nm(DECL_ARGS)
1152: {
1153:
1154: if (MDOC_ELEM != n->type && MDOC_HEAD != n->type)
1155: return;
1.26 schwarze 1156: font_pop();
1.25 schwarze 1157: }
1158:
1159: static int
1160: pre_no(DECL_ARGS)
1161: {
1162:
1163: outflags |= MMAN_spc_force;
1164: return(1);
1.1 schwarze 1165: }
1166:
1167: static int
1168: pre_ns(DECL_ARGS)
1169: {
1170:
1.20 schwarze 1171: outflags &= ~MMAN_spc;
1.1 schwarze 1172: return(0);
1173: }
1174:
1.3 schwarze 1175: static void
1176: post_pf(DECL_ARGS)
1177: {
1178:
1.20 schwarze 1179: outflags &= ~MMAN_spc;
1.3 schwarze 1180: }
1181:
1.1 schwarze 1182: static int
1183: pre_pp(DECL_ARGS)
1184: {
1185:
1.20 schwarze 1186: outflags |= MMAN_nl;
1.1 schwarze 1187: if (MDOC_It == n->parent->tok)
1.20 schwarze 1188: print_word(".sp");
1.1 schwarze 1189: else
1.20 schwarze 1190: print_word(".PP");
1191: outflags |= MMAN_nl;
1.10 schwarze 1192: return(MDOC_Rs == n->tok);
1.12 schwarze 1193: }
1194:
1195: static int
1196: pre_sm(DECL_ARGS)
1197: {
1198:
1199: assert(n->child && MDOC_TEXT == n->child->type);
1200: if (0 == strcmp("on", n->child->string))
1.27 schwarze 1201: outflags |= MMAN_Sm | MMAN_spc;
1.12 schwarze 1202: else
1.20 schwarze 1203: outflags &= ~MMAN_Sm;
1.12 schwarze 1204: return(0);
1.1 schwarze 1205: }
1206:
1207: static int
1.3 schwarze 1208: pre_sp(DECL_ARGS)
1.1 schwarze 1209: {
1210:
1.20 schwarze 1211: outflags |= MMAN_nl;
1212: print_word(".sp");
1.1 schwarze 1213: return(1);
1214: }
1215:
1216: static void
1.3 schwarze 1217: post_sp(DECL_ARGS)
1.1 schwarze 1218: {
1219:
1.20 schwarze 1220: outflags |= MMAN_nl;
1.18 schwarze 1221: }
1222:
1223: static int
1.26 schwarze 1224: pre_sy(DECL_ARGS)
1225: {
1226:
1227: font_push('B');
1228: return(1);
1229: }
1230:
1231: static int
1.18 schwarze 1232: pre_vt(DECL_ARGS)
1233: {
1234:
1235: if (MDOC_SYNPRETTY & n->flags) {
1236: switch (n->type) {
1237: case (MDOC_BLOCK):
1.23 schwarze 1238: pre_syn(n);
1.18 schwarze 1239: return(1);
1240: case (MDOC_BODY):
1241: break;
1242: default:
1243: return(0);
1244: }
1245: }
1.26 schwarze 1246: font_push('I');
1.18 schwarze 1247: return(1);
1248: }
1249:
1250: static void
1251: post_vt(DECL_ARGS)
1252: {
1253:
1.19 schwarze 1254: if (MDOC_SYNPRETTY & n->flags && MDOC_BODY != n->type)
1.18 schwarze 1255: return;
1.26 schwarze 1256: font_pop();
1.1 schwarze 1257: }
1258:
1259: static int
1260: pre_xr(DECL_ARGS)
1261: {
1262:
1263: n = n->child;
1264: if (NULL == n)
1265: return(0);
1.20 schwarze 1266: print_node(m, n);
1.1 schwarze 1267: n = n->next;
1268: if (NULL == n)
1269: return(0);
1.20 schwarze 1270: outflags &= ~MMAN_spc;
1271: print_word("(");
1272: print_node(m, n);
1273: print_word(")");
1.1 schwarze 1274: return(0);
1.8 schwarze 1275: }
1276:
1277: static int
1278: pre_ux(DECL_ARGS)
1279: {
1280:
1.20 schwarze 1281: print_word(manacts[n->tok].prefix);
1.8 schwarze 1282: if (NULL == n->child)
1283: return(0);
1.20 schwarze 1284: outflags &= ~MMAN_spc;
1285: print_word("\\~");
1286: outflags &= ~MMAN_spc;
1.8 schwarze 1287: return(1);
1.1 schwarze 1288: }
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