1 /* $Id: mdoc_man.c,v 1.126 2018/04/11 17:11:13 schwarze Exp $ */
3 * Copyright (c) 2011-2018 Ingo Schwarze <schwarze@openbsd.org>
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.
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.
19 #include <sys/types.h>
26 #include "mandoc_aux.h"
34 #define DECL_ARGS const struct roff_meta *meta, struct roff_node *n
36 typedef int (*int_fp)(DECL_ARGS);
37 typedef void (*void_fp)(DECL_ARGS);
40 int_fp cond; /* DON'T run actions */
41 int_fp pre; /* pre-node action */
42 void_fp post; /* post-node action */
43 const char *prefix; /* pre-node string constant */
44 const char *suffix; /* post-node string constant */
47 static int cond_body(DECL_ARGS);
48 static int cond_head(DECL_ARGS);
49 static void font_push(char);
50 static void font_pop(void);
51 static int man_strlen(const char *);
52 static void mid_it(void);
53 static void post__t(DECL_ARGS);
54 static void post_aq(DECL_ARGS);
55 static void post_bd(DECL_ARGS);
56 static void post_bf(DECL_ARGS);
57 static void post_bk(DECL_ARGS);
58 static void post_bl(DECL_ARGS);
59 static void post_dl(DECL_ARGS);
60 static void post_en(DECL_ARGS);
61 static void post_enc(DECL_ARGS);
62 static void post_eo(DECL_ARGS);
63 static void post_fa(DECL_ARGS);
64 static void post_fd(DECL_ARGS);
65 static void post_fl(DECL_ARGS);
66 static void post_fn(DECL_ARGS);
67 static void post_fo(DECL_ARGS);
68 static void post_font(DECL_ARGS);
69 static void post_in(DECL_ARGS);
70 static void post_it(DECL_ARGS);
71 static void post_lb(DECL_ARGS);
72 static void post_nm(DECL_ARGS);
73 static void post_percent(DECL_ARGS);
74 static void post_pf(DECL_ARGS);
75 static void post_sect(DECL_ARGS);
76 static void post_vt(DECL_ARGS);
77 static int pre__t(DECL_ARGS);
78 static int pre_an(DECL_ARGS);
79 static int pre_ap(DECL_ARGS);
80 static int pre_aq(DECL_ARGS);
81 static int pre_bd(DECL_ARGS);
82 static int pre_bf(DECL_ARGS);
83 static int pre_bk(DECL_ARGS);
84 static int pre_bl(DECL_ARGS);
85 static void pre_br(DECL_ARGS);
86 static int pre_dl(DECL_ARGS);
87 static int pre_en(DECL_ARGS);
88 static int pre_enc(DECL_ARGS);
89 static int pre_em(DECL_ARGS);
90 static int pre_skip(DECL_ARGS);
91 static int pre_eo(DECL_ARGS);
92 static int pre_ex(DECL_ARGS);
93 static int pre_fa(DECL_ARGS);
94 static int pre_fd(DECL_ARGS);
95 static int pre_fl(DECL_ARGS);
96 static int pre_fn(DECL_ARGS);
97 static int pre_fo(DECL_ARGS);
98 static void pre_ft(DECL_ARGS);
99 static int pre_Ft(DECL_ARGS);
100 static int pre_in(DECL_ARGS);
101 static int pre_it(DECL_ARGS);
102 static int pre_lk(DECL_ARGS);
103 static int pre_li(DECL_ARGS);
104 static int pre_nm(DECL_ARGS);
105 static int pre_no(DECL_ARGS);
106 static int pre_ns(DECL_ARGS);
107 static void pre_onearg(DECL_ARGS);
108 static int pre_pp(DECL_ARGS);
109 static int pre_rs(DECL_ARGS);
110 static int pre_sm(DECL_ARGS);
111 static void pre_sp(DECL_ARGS);
112 static int pre_sect(DECL_ARGS);
113 static int pre_sy(DECL_ARGS);
114 static void pre_syn(const struct roff_node *);
115 static void pre_ta(DECL_ARGS);
116 static int pre_vt(DECL_ARGS);
117 static int pre_xr(DECL_ARGS);
118 static void print_word(const char *);
119 static void print_line(const char *, int);
120 static void print_block(const char *, int);
121 static void print_offs(const char *, int);
122 static void print_width(const struct mdoc_bl *,
123 const struct roff_node *);
124 static void print_count(int *);
125 static void print_node(DECL_ARGS);
127 static const void_fp roff_manacts[ROFF_MAX] = {
140 static const struct manact __manacts[MDOC_MAX - MDOC_Dd] = {
141 { NULL, NULL, NULL, NULL, NULL }, /* Dd */
142 { NULL, NULL, NULL, NULL, NULL }, /* Dt */
143 { NULL, NULL, NULL, NULL, NULL }, /* Os */
144 { NULL, pre_sect, post_sect, ".SH", NULL }, /* Sh */
145 { NULL, pre_sect, post_sect, ".SS", NULL }, /* Ss */
146 { NULL, pre_pp, NULL, NULL, NULL }, /* Pp */
147 { cond_body, pre_dl, post_dl, NULL, NULL }, /* D1 */
148 { cond_body, pre_dl, post_dl, NULL, NULL }, /* Dl */
149 { cond_body, pre_bd, post_bd, NULL, NULL }, /* Bd */
150 { NULL, NULL, NULL, NULL, NULL }, /* Ed */
151 { cond_body, pre_bl, post_bl, NULL, NULL }, /* Bl */
152 { NULL, NULL, NULL, NULL, NULL }, /* El */
153 { NULL, pre_it, post_it, NULL, NULL }, /* It */
154 { NULL, pre_em, post_font, NULL, NULL }, /* Ad */
155 { NULL, pre_an, NULL, NULL, NULL }, /* An */
156 { NULL, pre_ap, NULL, NULL, NULL }, /* Ap */
157 { NULL, pre_em, post_font, NULL, NULL }, /* Ar */
158 { NULL, pre_sy, post_font, NULL, NULL }, /* Cd */
159 { NULL, pre_sy, post_font, NULL, NULL }, /* Cm */
160 { NULL, pre_li, post_font, NULL, NULL }, /* Dv */
161 { NULL, pre_li, post_font, NULL, NULL }, /* Er */
162 { NULL, pre_li, post_font, NULL, NULL }, /* Ev */
163 { NULL, pre_ex, NULL, NULL, NULL }, /* Ex */
164 { NULL, pre_fa, post_fa, NULL, NULL }, /* Fa */
165 { NULL, pre_fd, post_fd, NULL, NULL }, /* Fd */
166 { NULL, pre_fl, post_fl, NULL, NULL }, /* Fl */
167 { NULL, pre_fn, post_fn, NULL, NULL }, /* Fn */
168 { NULL, pre_Ft, post_font, NULL, NULL }, /* Ft */
169 { NULL, pre_sy, post_font, NULL, NULL }, /* Ic */
170 { NULL, pre_in, post_in, NULL, NULL }, /* In */
171 { NULL, pre_li, post_font, NULL, NULL }, /* Li */
172 { cond_head, pre_enc, NULL, "\\- ", NULL }, /* Nd */
173 { NULL, pre_nm, post_nm, NULL, NULL }, /* Nm */
174 { cond_body, pre_enc, post_enc, "[", "]" }, /* Op */
175 { NULL, pre_Ft, post_font, NULL, NULL }, /* Ot */
176 { NULL, pre_em, post_font, NULL, NULL }, /* Pa */
177 { NULL, pre_ex, NULL, NULL, NULL }, /* Rv */
178 { NULL, NULL, NULL, NULL, NULL }, /* St */
179 { NULL, pre_em, post_font, NULL, NULL }, /* Va */
180 { NULL, pre_vt, post_vt, NULL, NULL }, /* Vt */
181 { NULL, pre_xr, NULL, NULL, NULL }, /* Xr */
182 { NULL, NULL, post_percent, NULL, NULL }, /* %A */
183 { NULL, pre_em, post_percent, NULL, NULL }, /* %B */
184 { NULL, NULL, post_percent, NULL, NULL }, /* %D */
185 { NULL, pre_em, post_percent, NULL, NULL }, /* %I */
186 { NULL, pre_em, post_percent, NULL, NULL }, /* %J */
187 { NULL, NULL, post_percent, NULL, NULL }, /* %N */
188 { NULL, NULL, post_percent, NULL, NULL }, /* %O */
189 { NULL, NULL, post_percent, NULL, NULL }, /* %P */
190 { NULL, NULL, post_percent, NULL, NULL }, /* %R */
191 { NULL, pre__t, post__t, NULL, NULL }, /* %T */
192 { NULL, NULL, post_percent, NULL, NULL }, /* %V */
193 { NULL, NULL, NULL, NULL, NULL }, /* Ac */
194 { cond_body, pre_aq, post_aq, NULL, NULL }, /* Ao */
195 { cond_body, pre_aq, post_aq, NULL, NULL }, /* Aq */
196 { NULL, NULL, NULL, NULL, NULL }, /* At */
197 { NULL, NULL, NULL, NULL, NULL }, /* Bc */
198 { NULL, pre_bf, post_bf, NULL, NULL }, /* Bf */
199 { cond_body, pre_enc, post_enc, "[", "]" }, /* Bo */
200 { cond_body, pre_enc, post_enc, "[", "]" }, /* Bq */
201 { NULL, pre_bk, post_bk, NULL, NULL }, /* Bsx */
202 { NULL, pre_bk, post_bk, NULL, NULL }, /* Bx */
203 { NULL, pre_skip, NULL, NULL, NULL }, /* Db */
204 { NULL, NULL, NULL, NULL, NULL }, /* Dc */
205 { cond_body, pre_enc, post_enc, "\\(lq", "\\(rq" }, /* Do */
206 { cond_body, pre_enc, post_enc, "\\(lq", "\\(rq" }, /* Dq */
207 { NULL, NULL, NULL, NULL, NULL }, /* Ec */
208 { NULL, NULL, NULL, NULL, NULL }, /* Ef */
209 { NULL, pre_em, post_font, NULL, NULL }, /* Em */
210 { cond_body, pre_eo, post_eo, NULL, NULL }, /* Eo */
211 { NULL, pre_bk, post_bk, NULL, NULL }, /* Fx */
212 { NULL, pre_sy, post_font, NULL, NULL }, /* Ms */
213 { NULL, pre_no, NULL, NULL, NULL }, /* No */
214 { NULL, pre_ns, NULL, NULL, NULL }, /* Ns */
215 { NULL, pre_bk, post_bk, NULL, NULL }, /* Nx */
216 { NULL, pre_bk, post_bk, NULL, NULL }, /* Ox */
217 { NULL, NULL, NULL, NULL, NULL }, /* Pc */
218 { NULL, NULL, post_pf, NULL, NULL }, /* Pf */
219 { cond_body, pre_enc, post_enc, "(", ")" }, /* Po */
220 { cond_body, pre_enc, post_enc, "(", ")" }, /* Pq */
221 { NULL, NULL, NULL, NULL, NULL }, /* Qc */
222 { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* Ql */
223 { cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qo */
224 { cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qq */
225 { NULL, NULL, NULL, NULL, NULL }, /* Re */
226 { cond_body, pre_rs, NULL, NULL, NULL }, /* Rs */
227 { NULL, NULL, NULL, NULL, NULL }, /* Sc */
228 { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* So */
229 { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* Sq */
230 { NULL, pre_sm, NULL, NULL, NULL }, /* Sm */
231 { NULL, pre_em, post_font, NULL, NULL }, /* Sx */
232 { NULL, pre_sy, post_font, NULL, NULL }, /* Sy */
233 { NULL, pre_li, post_font, NULL, NULL }, /* Tn */
234 { NULL, NULL, NULL, NULL, NULL }, /* Ux */
235 { NULL, NULL, NULL, NULL, NULL }, /* Xc */
236 { NULL, NULL, NULL, NULL, NULL }, /* Xo */
237 { NULL, pre_fo, post_fo, NULL, NULL }, /* Fo */
238 { NULL, NULL, NULL, NULL, NULL }, /* Fc */
239 { cond_body, pre_enc, post_enc, "[", "]" }, /* Oo */
240 { NULL, NULL, NULL, NULL, NULL }, /* Oc */
241 { NULL, pre_bk, post_bk, NULL, NULL }, /* Bk */
242 { NULL, NULL, NULL, NULL, NULL }, /* Ek */
243 { NULL, NULL, NULL, NULL, NULL }, /* Bt */
244 { NULL, NULL, NULL, NULL, NULL }, /* Hf */
245 { NULL, pre_em, post_font, NULL, NULL }, /* Fr */
246 { NULL, NULL, NULL, NULL, NULL }, /* Ud */
247 { NULL, NULL, post_lb, NULL, NULL }, /* Lb */
248 { NULL, pre_pp, NULL, NULL, NULL }, /* Lp */
249 { NULL, pre_lk, NULL, NULL, NULL }, /* Lk */
250 { NULL, pre_em, post_font, NULL, NULL }, /* Mt */
251 { cond_body, pre_enc, post_enc, "{", "}" }, /* Brq */
252 { cond_body, pre_enc, post_enc, "{", "}" }, /* Bro */
253 { NULL, NULL, NULL, NULL, NULL }, /* Brc */
254 { NULL, NULL, post_percent, NULL, NULL }, /* %C */
255 { NULL, pre_skip, NULL, NULL, NULL }, /* Es */
256 { cond_body, pre_en, post_en, NULL, NULL }, /* En */
257 { NULL, pre_bk, post_bk, NULL, NULL }, /* Dx */
258 { NULL, NULL, post_percent, NULL, NULL }, /* %Q */
259 { NULL, NULL, post_percent, NULL, NULL }, /* %U */
260 { NULL, NULL, NULL, NULL, NULL }, /* Ta */
262 static const struct manact *const manacts = __manacts - MDOC_Dd;
265 #define MMAN_spc (1 << 0) /* blank character before next word */
266 #define MMAN_spc_force (1 << 1) /* even before trailing punctuation */
267 #define MMAN_nl (1 << 2) /* break man(7) code line */
268 #define MMAN_br (1 << 3) /* break output line */
269 #define MMAN_sp (1 << 4) /* insert a blank output line */
270 #define MMAN_PP (1 << 5) /* reset indentation etc. */
271 #define MMAN_Sm (1 << 6) /* horizontal spacing mode */
272 #define MMAN_Bk (1 << 7) /* word keep mode */
273 #define MMAN_Bk_susp (1 << 8) /* suspend this (after a macro) */
274 #define MMAN_An_split (1 << 9) /* author mode is "split" */
275 #define MMAN_An_nosplit (1 << 10) /* author mode is "nosplit" */
276 #define MMAN_PD (1 << 11) /* inter-paragraph spacing disabled */
277 #define MMAN_nbrword (1 << 12) /* do not break the next word */
279 #define BL_STACK_MAX 32
281 static int Bl_stack[BL_STACK_MAX]; /* offsets [chars] */
282 static int Bl_stack_post[BL_STACK_MAX]; /* add final .RE */
283 static int Bl_stack_len; /* number of nested Bl blocks */
284 static int TPremain; /* characters before tag is full */
294 man_strlen(const char *cp)
302 rsz = strcspn(cp, "\\");
314 switch (mandoc_escape(&cp, NULL, NULL)) {
318 case ESCAPE_NUMBERED:
320 case ESCAPE_OVERSTRIKE:
326 case ESCAPE_SKIPCHAR:
337 font_push(char newfont)
340 if (fontqueue.head + fontqueue.size <= ++fontqueue.tail) {
342 fontqueue.head = mandoc_realloc(fontqueue.head,
345 *fontqueue.tail = newfont;
349 outflags &= ~MMAN_spc;
356 if (fontqueue.tail > fontqueue.head)
358 outflags &= ~MMAN_spc;
361 putchar(*fontqueue.tail);
365 print_word(const char *s)
368 if ((MMAN_PP | MMAN_sp | MMAN_br | MMAN_nl) & outflags) {
370 * If we need a newline, print it now and start afresh.
372 if (MMAN_PP & outflags) {
373 if (MMAN_sp & outflags) {
374 if (MMAN_PD & outflags) {
376 outflags &= ~MMAN_PD;
378 } else if ( ! (MMAN_PD & outflags)) {
383 } else if (MMAN_sp & outflags)
385 else if (MMAN_br & outflags)
387 else if (MMAN_nl & outflags)
389 outflags &= ~(MMAN_PP|MMAN_sp|MMAN_br|MMAN_nl|MMAN_spc);
393 } else if (MMAN_spc & outflags) {
395 * If we need a space, only print it if
396 * (1) it is forced by `No' or
397 * (2) what follows is not terminating punctuation or
398 * (3) what follows is longer than one character.
400 if (MMAN_spc_force & outflags || '\0' == s[0] ||
401 NULL == strchr(".,:;)]?!", s[0]) || '\0' != s[1]) {
402 if (MMAN_Bk & outflags &&
403 ! (MMAN_Bk_susp & outflags))
412 * Reassign needing space if we're not following opening
415 if (MMAN_Sm & outflags && ('\0' == s[0] ||
416 (('(' != s[0] && '[' != s[0]) || '\0' != s[1])))
417 outflags |= MMAN_spc;
419 outflags &= ~MMAN_spc;
420 outflags &= ~(MMAN_spc_force | MMAN_Bk_susp);
434 if (MMAN_nbrword & outflags) {
440 putchar((unsigned char)*s);
446 outflags &= ~MMAN_nbrword;
450 print_line(const char *s, int newflags)
455 outflags |= newflags;
459 print_block(const char *s, int newflags)
462 outflags &= ~MMAN_PP;
463 if (MMAN_sp & outflags) {
464 outflags &= ~(MMAN_sp | MMAN_br);
465 if (MMAN_PD & outflags) {
466 print_line(".PD", 0);
467 outflags &= ~MMAN_PD;
469 } else if (! (MMAN_PD & outflags))
470 print_line(".PD 0", MMAN_PD);
473 outflags |= MMAN_Bk_susp | newflags;
477 print_offs(const char *v, int keywords)
484 print_line(".RS", MMAN_Bk_susp);
486 /* Convert v into a number (of characters). */
487 if (NULL == v || '\0' == *v || (keywords && !strcmp(v, "left")))
489 else if (keywords && !strcmp(v, "indent"))
491 else if (keywords && !strcmp(v, "indent-two"))
494 end = a2roffsu(v, &su, SCALE_EN);
495 if (end == NULL || *end != '\0')
497 else if (SCALE_EN == su.unit)
502 * If we are inside an enclosing list,
503 * there is no easy way to add the two
504 * indentations because they are provided
505 * in terms of different units.
514 * We are inside an enclosing list.
515 * Add the two indentations.
518 sz += Bl_stack[Bl_stack_len - 1];
520 (void)snprintf(buf, sizeof(buf), "%dn", sz);
526 * Set up the indentation for a list item; used from pre_it().
529 print_width(const struct mdoc_bl *bl, const struct roff_node *child)
534 int numeric, remain, sz, chsz;
539 /* Convert the width into a number (of characters). */
540 if (bl->width == NULL)
541 sz = (bl->type == LIST_hang) ? 6 : 0;
543 end = a2roffsu(bl->width, &su, SCALE_MAX);
544 if (end == NULL || *end != '\0')
545 sz = man_strlen(bl->width);
546 else if (SCALE_EN == su.unit)
554 /* XXX Rough estimation, might have multiple parts. */
555 if (bl->type == LIST_enum)
556 chsz = (bl->count > 8) + 1;
557 else if (child != NULL && child->type == ROFFT_TEXT)
558 chsz = man_strlen(child->string);
562 /* Maybe we are inside an enclosing list? */
566 * Save our own indentation,
567 * such that child lists can use it.
569 Bl_stack[Bl_stack_len++] = sz + 2;
571 /* Set up the current list. */
572 if (chsz > sz && bl->type != LIST_tag)
573 print_block(".HP", 0);
575 print_block(".TP", 0);
579 (void)snprintf(buf, sizeof(buf), "%dn", sz + 2);
582 print_word(bl->width);
587 print_count(int *count)
591 (void)snprintf(buf, sizeof(buf), "%d.\\&", ++*count);
596 man_man(void *arg, const struct roff_man *man)
600 * Dump the keep buffer.
601 * We're guaranteed by now that this exists (is non-NULL).
602 * Flush stdout afterward, just in case.
604 fputs(mparse_getkeep(man_mparse(man)), stdout);
609 man_mdoc(void *arg, const struct roff_man *mdoc)
613 printf(".\\\" Automatically generated from an mdoc input file."
615 for (n = mdoc->first->child; n != NULL; n = n->next) {
616 if (n->type != ROFFT_COMMENT)
618 printf(".\\\"%s\n", n->string);
621 printf(".TH \"%s\" \"%s\" \"%s\" \"%s\" \"%s\"\n",
623 (mdoc->meta.msec == NULL ? "" : mdoc->meta.msec),
624 mdoc->meta.date, mdoc->meta.os, mdoc->meta.vol);
626 /* Disable hyphenation and if nroff, disable justification. */
627 printf(".nh\n.if n .ad l");
629 outflags = MMAN_nl | MMAN_Sm;
630 if (0 == fontqueue.size) {
632 fontqueue.head = fontqueue.tail = mandoc_malloc(8);
633 *fontqueue.tail = 'R';
635 for (; n != NULL; n = n->next)
636 print_node(&mdoc->meta, n);
641 print_node(DECL_ARGS)
643 const struct manact *act;
644 struct roff_node *sub;
647 if (n->flags & NODE_NOPRT)
651 * Break the line if we were parsed subsequent the current node.
652 * This makes the page structure be more consistent.
654 if (MMAN_spc & outflags && NODE_LINE & n->flags)
660 n->flags &= ~NODE_ENDED;
662 if (n->type == ROFFT_TEXT) {
664 * Make sure that we don't happen to start with a
665 * control character at the start of a line.
667 if (MMAN_nl & outflags &&
668 ('.' == *n->string || '\'' == *n->string)) {
671 outflags &= ~MMAN_spc;
673 if (n->flags & NODE_DELIMC)
674 outflags &= ~(MMAN_spc | MMAN_spc_force);
675 else if (outflags & MMAN_Sm)
676 outflags |= MMAN_spc_force;
677 print_word(n->string);
678 if (n->flags & NODE_DELIMO)
679 outflags &= ~(MMAN_spc | MMAN_spc_force);
680 else if (outflags & MMAN_Sm)
681 outflags |= MMAN_spc;
682 } else if (n->tok < ROFF_MAX) {
683 (*roff_manacts[n->tok])(meta, n);
686 assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
688 * Conditionally run the pre-node action handler for a
691 act = manacts + n->tok;
692 cond = act->cond == NULL || (*act->cond)(meta, n);
693 if (cond && act->pre != NULL &&
694 (n->end == ENDBODY_NOT || n->child != NULL))
695 do_sub = (*act->pre)(meta, n);
699 * Conditionally run all child nodes.
700 * Note that this iterates over children instead of using
701 * recursion. This prevents unnecessary depth in the stack.
704 for (sub = n->child; sub; sub = sub->next)
705 print_node(meta, sub);
708 * Lastly, conditionally run the post-node handler.
710 if (NODE_ENDED & n->flags)
713 if (cond && act->post)
714 (*act->post)(meta, n);
716 if (ENDBODY_NOT != n->end)
717 n->body->flags |= NODE_ENDED;
724 return n->type == ROFFT_HEAD;
731 return n->type == ROFFT_BODY;
739 prefix = manacts[n->tok].prefix;
743 outflags &= ~MMAN_spc;
752 suffix = manacts[n->tok].suffix;
755 outflags &= ~(MMAN_spc | MMAN_nl);
762 outflags |= MMAN_br | MMAN_nl;
774 post_percent(DECL_ARGS)
777 if (pre_em == manacts[n->tok].pre)
781 if (n->prev && n->prev->tok == n->tok &&
782 n->next->tok == n->tok)
794 if (n->parent->tok == MDOC_Rs && n->parent->norm->Rs.quote_T) {
796 outflags &= ~MMAN_spc;
806 if (n->parent->tok == MDOC_Rs && n->parent->norm->Rs.quote_T) {
807 outflags &= ~MMAN_spc;
811 post_percent(meta, n);
815 * Print before a section header.
821 if (n->type == ROFFT_HEAD) {
823 print_block(manacts[n->tok].prefix, 0);
826 outflags &= ~MMAN_spc;
832 * Print subsequent a section header.
838 if (n->type != ROFFT_HEAD)
840 outflags &= ~MMAN_spc;
844 if (MDOC_Sh == n->tok && SEC_AUTHORS == n->sec)
845 outflags &= ~(MMAN_An_split | MMAN_An_nosplit);
848 /* See mdoc_term.c, synopsis_pre() for comments. */
850 pre_syn(const struct roff_node *n)
853 if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
856 if (n->prev->tok == n->tok &&
864 switch (n->prev->tok) {
873 if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
888 switch (n->norm->An.auth) {
890 outflags &= ~MMAN_An_nosplit;
891 outflags |= MMAN_An_split;
894 outflags &= ~MMAN_An_split;
895 outflags |= MMAN_An_nosplit;
898 if (MMAN_An_split & outflags)
900 else if (SEC_AUTHORS == n->sec &&
901 ! (MMAN_An_nosplit & outflags))
902 outflags |= MMAN_An_split;
911 outflags &= ~MMAN_spc;
913 outflags &= ~MMAN_spc;
921 print_word(n->child != NULL && n->child->next == NULL &&
922 n->child->tok == MDOC_Mt ? "<" : "\\(la");
923 outflags &= ~MMAN_spc;
931 outflags &= ~(MMAN_spc | MMAN_nl);
932 print_word(n->child != NULL && n->child->next == NULL &&
933 n->child->tok == MDOC_Mt ? ">" : "\\(ra");
940 outflags &= ~(MMAN_PP | MMAN_sp | MMAN_br);
942 if (DISP_unfilled == n->norm->Bd.type ||
943 DISP_literal == n->norm->Bd.type)
944 print_line(".nf", 0);
945 if (0 == n->norm->Bd.comp && NULL != n->parent->prev)
947 print_offs(n->norm->Bd.offs, 1);
955 /* Close out this display. */
956 print_line(".RE", MMAN_nl);
957 if (DISP_unfilled == n->norm->Bd.type ||
958 DISP_literal == n->norm->Bd.type)
959 print_line(".fi", MMAN_nl);
961 /* Maybe we are inside an enclosing list? */
962 if (NULL != n->parent->next)
978 switch (n->norm->Bf.font) {
996 if (n->type == ROFFT_BODY)
1008 outflags |= MMAN_Bk;
1020 while ((n = n->parent) != NULL)
1021 if (n->tok == MDOC_Bk)
1025 outflags &= ~MMAN_Bk;
1038 * print_offs() will increase the -offset to account for
1039 * a possible enclosing .It, but any enclosed .It blocks
1040 * just nest and do not add up their indentation.
1042 if (n->norm->Bl.offs) {
1043 print_offs(n->norm->Bl.offs, 0);
1044 Bl_stack[Bl_stack_len++] = 0;
1047 switch (n->norm->Bl.type) {
1049 n->norm->Bl.count = 0;
1057 if (n->child != NULL) {
1058 print_line(".TS", MMAN_nl);
1059 for (icol = 0; icol < n->norm->Bl.ncols; icol++)
1063 outflags |= MMAN_nl;
1071 switch (n->norm->Bl.type) {
1073 if (n->child != NULL)
1074 print_line(".TE", 0);
1077 n->norm->Bl.count = 0;
1083 if (n->norm->Bl.offs) {
1084 print_line(".RE", MMAN_nl);
1085 assert(Bl_stack_len);
1087 assert(0 == Bl_stack[Bl_stack_len]);
1089 outflags |= MMAN_PP | MMAN_nl;
1090 outflags &= ~(MMAN_sp | MMAN_br);
1093 /* Maybe we are inside an enclosing list? */
1094 if (NULL != n->parent->next)
1102 outflags |= MMAN_br;
1109 print_offs("6n", 0);
1117 print_line(".RE", MMAN_nl);
1119 /* Maybe we are inside an enclosing list? */
1120 if (NULL != n->parent->next)
1136 if (NULL == n->norm->Es ||
1137 NULL == n->norm->Es->child)
1140 print_word(n->norm->Es->child->string);
1141 outflags &= ~MMAN_spc;
1149 if (NULL == n->norm->Es ||
1150 NULL == n->norm->Es->child ||
1151 NULL == n->norm->Es->child->next)
1154 outflags &= ~MMAN_spc;
1155 print_word(n->norm->Es->child->next->string);
1163 if (n->end == ENDBODY_NOT &&
1164 n->parent->head->child == NULL &&
1166 n->child->end != ENDBODY_NOT)
1168 else if (n->end != ENDBODY_NOT ? n->child != NULL :
1169 n->parent->head->child != NULL && (n->child != NULL ||
1170 (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1171 outflags &= ~(MMAN_spc | MMAN_nl);
1180 if (n->end != ENDBODY_NOT) {
1181 outflags |= MMAN_spc;
1185 body = n->child != NULL || n->parent->head->child != NULL;
1186 tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1189 outflags &= ~MMAN_spc;
1190 else if ( ! (body || tail))
1193 outflags |= MMAN_spc;
1201 am_Fa = MDOC_Fa == n->tok;
1208 if (am_Fa || NODE_SYNPRETTY & n->flags)
1209 outflags |= MMAN_nbrword;
1210 print_node(meta, n);
1212 if (NULL != (n = n->next))
1222 if (NULL != n->next && MDOC_Fa == n->next->tok)
1240 outflags |= MMAN_br;
1249 if (n->child != NULL)
1250 outflags &= ~MMAN_spc;
1259 if (!(n->child != NULL ||
1261 n->next->type == ROFFT_TEXT ||
1262 n->next->flags & NODE_LINE))
1263 outflags &= ~MMAN_spc;
1276 if (NODE_SYNPRETTY & n->flags)
1277 print_block(".HP 4n", MMAN_nl);
1280 print_node(meta, n);
1282 outflags &= ~MMAN_spc;
1284 outflags &= ~MMAN_spc;
1297 if (NODE_SYNPRETTY & n->flags) {
1299 outflags |= MMAN_PP;
1312 if (n->child == NULL)
1314 if (NODE_SYNPRETTY & n->flags)
1315 print_block(".HP 4n", MMAN_nl);
1319 outflags &= ~(MMAN_spc | MMAN_nl);
1321 outflags &= ~MMAN_spc;
1335 if (n->child != NULL)
1358 print_line(".ft", 0);
1359 print_word(n->child->string);
1360 outflags |= MMAN_nl;
1367 if (NODE_SYNPRETTY & n->flags) {
1370 print_word("#include <");
1371 outflags &= ~MMAN_spc;
1374 outflags &= ~MMAN_spc;
1384 if (NODE_SYNPRETTY & n->flags) {
1385 outflags &= ~MMAN_spc;
1388 outflags |= MMAN_br;
1391 outflags &= ~MMAN_spc;
1399 const struct roff_node *bln;
1403 outflags |= MMAN_PP | MMAN_nl;
1404 bln = n->parent->parent;
1405 if (0 == bln->norm->Bl.comp ||
1406 (NULL == n->parent->prev &&
1407 NULL == bln->parent->prev))
1408 outflags |= MMAN_sp;
1409 outflags &= ~MMAN_br;
1410 switch (bln->norm->Bl.type) {
1416 if (bln->norm->Bl.type == LIST_diag)
1417 print_line(".B \"", 0);
1419 print_line(".BR \\& \"", 0);
1420 outflags &= ~MMAN_spc;
1425 print_width(&bln->norm->Bl, NULL);
1427 outflags |= MMAN_nl;
1429 if (LIST_bullet == bln->norm->Bl.type)
1430 print_word("\\(bu");
1434 outflags |= MMAN_nl;
1437 print_width(&bln->norm->Bl, NULL);
1439 outflags |= MMAN_nl;
1440 print_count(&bln->norm->Bl.count);
1441 outflags |= MMAN_nl;
1444 print_width(&bln->norm->Bl, n->child);
1446 outflags |= MMAN_nl;
1449 print_width(&bln->norm->Bl, n->child);
1451 outflags &= ~MMAN_spc;
1463 * This function is called after closing out an indented block.
1464 * If we are inside an enclosing list, restore its indentation.
1471 /* Nothing to do outside a list. */
1472 if (0 == Bl_stack_len || 0 == Bl_stack[Bl_stack_len - 1])
1475 /* The indentation has already been set up. */
1476 if (Bl_stack_post[Bl_stack_len - 1])
1479 /* Restore the indentation of the enclosing list. */
1480 print_line(".RS", MMAN_Bk_susp);
1481 (void)snprintf(buf, sizeof(buf), "%dn",
1482 Bl_stack[Bl_stack_len - 1]);
1485 /* Remeber to close out this .RS block later. */
1486 Bl_stack_post[Bl_stack_len - 1] = 1;
1492 const struct roff_node *bln;
1494 bln = n->parent->parent;
1498 switch (bln->norm->Bl.type) {
1500 outflags &= ~MMAN_spc;
1504 outflags |= MMAN_br;
1511 switch (bln->norm->Bl.type) {
1518 assert(Bl_stack_len);
1519 Bl_stack[--Bl_stack_len] = 0;
1522 * Our indentation had to be restored
1523 * after a child display or child list.
1524 * Close out that indentation block now.
1526 if (Bl_stack_post[Bl_stack_len]) {
1527 print_line(".RE", MMAN_nl);
1528 Bl_stack_post[Bl_stack_len] = 0;
1532 if (NULL != n->next) {
1534 outflags &= ~MMAN_spc;
1550 if (SEC_LIBRARY == n->sec)
1551 outflags |= MMAN_br;
1557 const struct roff_node *link, *descr, *punct;
1559 if ((link = n->child) == NULL)
1562 /* Find beginning of trailing punctuation. */
1564 while (punct != link && punct->flags & NODE_DELIMC)
1565 punct = punct->prev;
1566 punct = punct->next;
1569 if ((descr = link->next) != NULL && descr != punct) {
1571 while (descr != punct) {
1572 print_word(descr->string);
1573 descr = descr->next;
1581 print_word(link->string);
1584 /* Trailing punctuation. */
1585 while (punct != NULL) {
1586 print_word(punct->string);
1587 punct = punct->next;
1593 pre_onearg(DECL_ARGS)
1595 outflags |= MMAN_nl;
1597 outflags &= ~MMAN_spc;
1598 print_word(roff_name[n->tok]);
1599 if (n->child != NULL)
1600 print_word(n->child->string);
1601 outflags |= MMAN_nl;
1602 if (n->tok == ROFF_ce)
1603 for (n = n->child->next; n != NULL; n = n->next)
1604 print_node(meta, n);
1620 if (n->type == ROFFT_BLOCK) {
1621 outflags |= MMAN_Bk;
1624 if (n->type != ROFFT_ELEM && n->type != ROFFT_HEAD)
1626 name = n->child == NULL ? NULL : n->child->string;
1629 if (n->type == ROFFT_HEAD) {
1630 if (NULL == n->parent->prev)
1631 outflags |= MMAN_sp;
1632 print_block(".HP", 0);
1633 printf(" %dn", man_strlen(name) + 1);
1634 outflags |= MMAN_nl;
1646 outflags &= ~MMAN_Bk;
1650 if (n->child != NULL && n->child->string != NULL)
1662 outflags |= MMAN_spc_force;
1670 outflags &= ~MMAN_spc;
1678 if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1679 outflags &= ~MMAN_spc;
1686 if (MDOC_It != n->parent->tok)
1687 outflags |= MMAN_PP;
1688 outflags |= MMAN_sp | MMAN_nl;
1689 outflags &= ~MMAN_br;
1697 if (SEC_SEE_ALSO == n->sec) {
1698 outflags |= MMAN_PP | MMAN_sp | MMAN_nl;
1699 outflags &= ~MMAN_br;
1715 if (NULL == n->child)
1716 outflags ^= MMAN_Sm;
1717 else if (0 == strcmp("on", n->child->string))
1718 outflags |= MMAN_Sm;
1720 outflags &= ~MMAN_Sm;
1722 if (MMAN_Sm & outflags)
1723 outflags |= MMAN_spc;
1731 if (outflags & MMAN_PP) {
1732 outflags &= ~MMAN_PP;
1733 print_line(".PP", 0);
1735 print_line(".sp", 0);
1736 if (n->child != NULL)
1737 print_word(n->child->string);
1739 outflags |= MMAN_nl;
1753 print_line(".ta", 0);
1754 for (n = n->child; n != NULL; n = n->next)
1755 print_word(n->string);
1756 outflags |= MMAN_nl;
1763 if (NODE_SYNPRETTY & n->flags) {
1782 if (n->flags & NODE_SYNPRETTY && n->type != ROFFT_BODY)
1794 print_node(meta, n);
1798 outflags &= ~MMAN_spc;
1800 print_node(meta, n);