1 /* $Id: mdoc_man.c,v 1.122 2017/06/14 22:51:25 schwarze Exp $ */
3 * Copyright (c) 2011-2017 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(".TH \"%s\" \"%s\" \"%s\" \"%s\" \"%s\"\n",
615 (mdoc->meta.msec == NULL ? "" : mdoc->meta.msec),
616 mdoc->meta.date, mdoc->meta.os, mdoc->meta.vol);
618 /* Disable hyphenation and if nroff, disable justification. */
619 printf(".nh\n.if n .ad l");
621 outflags = MMAN_nl | MMAN_Sm;
622 if (0 == fontqueue.size) {
624 fontqueue.head = fontqueue.tail = mandoc_malloc(8);
625 *fontqueue.tail = 'R';
627 for (n = mdoc->first->child; n != NULL; n = n->next)
628 print_node(&mdoc->meta, n);
633 print_node(DECL_ARGS)
635 const struct manact *act;
636 struct roff_node *sub;
639 if (n->flags & NODE_NOPRT)
643 * Break the line if we were parsed subsequent the current node.
644 * This makes the page structure be more consistent.
646 if (MMAN_spc & outflags && NODE_LINE & n->flags)
652 n->flags &= ~NODE_ENDED;
654 if (n->type == ROFFT_TEXT) {
656 * Make sure that we don't happen to start with a
657 * control character at the start of a line.
659 if (MMAN_nl & outflags &&
660 ('.' == *n->string || '\'' == *n->string)) {
663 outflags &= ~MMAN_spc;
665 if (n->flags & NODE_DELIMC)
666 outflags &= ~(MMAN_spc | MMAN_spc_force);
667 else if (outflags & MMAN_Sm)
668 outflags |= MMAN_spc_force;
669 print_word(n->string);
670 if (n->flags & NODE_DELIMO)
671 outflags &= ~(MMAN_spc | MMAN_spc_force);
672 else if (outflags & MMAN_Sm)
673 outflags |= MMAN_spc;
674 } else if (n->tok < ROFF_MAX) {
675 (*roff_manacts[n->tok])(meta, n);
678 assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
680 * Conditionally run the pre-node action handler for a
683 act = manacts + n->tok;
684 cond = act->cond == NULL || (*act->cond)(meta, n);
685 if (cond && act->pre != NULL &&
686 (n->end == ENDBODY_NOT || n->child != NULL))
687 do_sub = (*act->pre)(meta, n);
691 * Conditionally run all child nodes.
692 * Note that this iterates over children instead of using
693 * recursion. This prevents unnecessary depth in the stack.
696 for (sub = n->child; sub; sub = sub->next)
697 print_node(meta, sub);
700 * Lastly, conditionally run the post-node handler.
702 if (NODE_ENDED & n->flags)
705 if (cond && act->post)
706 (*act->post)(meta, n);
708 if (ENDBODY_NOT != n->end)
709 n->body->flags |= NODE_ENDED;
716 return n->type == ROFFT_HEAD;
723 return n->type == ROFFT_BODY;
731 prefix = manacts[n->tok].prefix;
735 outflags &= ~MMAN_spc;
744 suffix = manacts[n->tok].suffix;
747 outflags &= ~(MMAN_spc | MMAN_nl);
754 outflags |= MMAN_br | MMAN_nl;
766 post_percent(DECL_ARGS)
769 if (pre_em == manacts[n->tok].pre)
773 if (n->prev && n->prev->tok == n->tok &&
774 n->next->tok == n->tok)
786 if (n->parent->tok == MDOC_Rs && n->parent->norm->Rs.quote_T) {
788 outflags &= ~MMAN_spc;
798 if (n->parent->tok == MDOC_Rs && n->parent->norm->Rs.quote_T) {
799 outflags &= ~MMAN_spc;
803 post_percent(meta, n);
807 * Print before a section header.
813 if (n->type == ROFFT_HEAD) {
815 print_block(manacts[n->tok].prefix, 0);
818 outflags &= ~MMAN_spc;
824 * Print subsequent a section header.
830 if (n->type != ROFFT_HEAD)
832 outflags &= ~MMAN_spc;
836 if (MDOC_Sh == n->tok && SEC_AUTHORS == n->sec)
837 outflags &= ~(MMAN_An_split | MMAN_An_nosplit);
840 /* See mdoc_term.c, synopsis_pre() for comments. */
842 pre_syn(const struct roff_node *n)
845 if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
848 if (n->prev->tok == n->tok &&
856 switch (n->prev->tok) {
865 if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
880 switch (n->norm->An.auth) {
882 outflags &= ~MMAN_An_nosplit;
883 outflags |= MMAN_An_split;
886 outflags &= ~MMAN_An_split;
887 outflags |= MMAN_An_nosplit;
890 if (MMAN_An_split & outflags)
892 else if (SEC_AUTHORS == n->sec &&
893 ! (MMAN_An_nosplit & outflags))
894 outflags |= MMAN_An_split;
903 outflags &= ~MMAN_spc;
905 outflags &= ~MMAN_spc;
913 print_word(n->child != NULL && n->child->next == NULL &&
914 n->child->tok == MDOC_Mt ? "<" : "\\(la");
915 outflags &= ~MMAN_spc;
923 outflags &= ~(MMAN_spc | MMAN_nl);
924 print_word(n->child != NULL && n->child->next == NULL &&
925 n->child->tok == MDOC_Mt ? ">" : "\\(ra");
932 outflags &= ~(MMAN_PP | MMAN_sp | MMAN_br);
934 if (DISP_unfilled == n->norm->Bd.type ||
935 DISP_literal == n->norm->Bd.type)
936 print_line(".nf", 0);
937 if (0 == n->norm->Bd.comp && NULL != n->parent->prev)
939 print_offs(n->norm->Bd.offs, 1);
947 /* Close out this display. */
948 print_line(".RE", MMAN_nl);
949 if (DISP_unfilled == n->norm->Bd.type ||
950 DISP_literal == n->norm->Bd.type)
951 print_line(".fi", MMAN_nl);
953 /* Maybe we are inside an enclosing list? */
954 if (NULL != n->parent->next)
970 switch (n->norm->Bf.font) {
988 if (n->type == ROFFT_BODY)
1000 outflags |= MMAN_Bk;
1012 while ((n = n->parent) != NULL)
1013 if (n->tok == MDOC_Bk)
1017 outflags &= ~MMAN_Bk;
1030 * print_offs() will increase the -offset to account for
1031 * a possible enclosing .It, but any enclosed .It blocks
1032 * just nest and do not add up their indentation.
1034 if (n->norm->Bl.offs) {
1035 print_offs(n->norm->Bl.offs, 0);
1036 Bl_stack[Bl_stack_len++] = 0;
1039 switch (n->norm->Bl.type) {
1041 n->norm->Bl.count = 0;
1049 if (n->child != NULL) {
1050 print_line(".TS", MMAN_nl);
1051 for (icol = 0; icol < n->norm->Bl.ncols; icol++)
1055 outflags |= MMAN_nl;
1063 switch (n->norm->Bl.type) {
1065 if (n->child != NULL)
1066 print_line(".TE", 0);
1069 n->norm->Bl.count = 0;
1075 if (n->norm->Bl.offs) {
1076 print_line(".RE", MMAN_nl);
1077 assert(Bl_stack_len);
1079 assert(0 == Bl_stack[Bl_stack_len]);
1081 outflags |= MMAN_PP | MMAN_nl;
1082 outflags &= ~(MMAN_sp | MMAN_br);
1085 /* Maybe we are inside an enclosing list? */
1086 if (NULL != n->parent->next)
1094 outflags |= MMAN_br;
1101 print_offs("6n", 0);
1109 print_line(".RE", MMAN_nl);
1111 /* Maybe we are inside an enclosing list? */
1112 if (NULL != n->parent->next)
1128 if (NULL == n->norm->Es ||
1129 NULL == n->norm->Es->child)
1132 print_word(n->norm->Es->child->string);
1133 outflags &= ~MMAN_spc;
1141 if (NULL == n->norm->Es ||
1142 NULL == n->norm->Es->child ||
1143 NULL == n->norm->Es->child->next)
1146 outflags &= ~MMAN_spc;
1147 print_word(n->norm->Es->child->next->string);
1155 if (n->end == ENDBODY_NOT &&
1156 n->parent->head->child == NULL &&
1158 n->child->end != ENDBODY_NOT)
1160 else if (n->end != ENDBODY_NOT ? n->child != NULL :
1161 n->parent->head->child != NULL && (n->child != NULL ||
1162 (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1163 outflags &= ~(MMAN_spc | MMAN_nl);
1172 if (n->end != ENDBODY_NOT) {
1173 outflags |= MMAN_spc;
1177 body = n->child != NULL || n->parent->head->child != NULL;
1178 tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1181 outflags &= ~MMAN_spc;
1182 else if ( ! (body || tail))
1185 outflags |= MMAN_spc;
1193 am_Fa = MDOC_Fa == n->tok;
1200 if (am_Fa || NODE_SYNPRETTY & n->flags)
1201 outflags |= MMAN_nbrword;
1202 print_node(meta, n);
1204 if (NULL != (n = n->next))
1214 if (NULL != n->next && MDOC_Fa == n->next->tok)
1232 outflags |= MMAN_br;
1241 if (n->child != NULL)
1242 outflags &= ~MMAN_spc;
1251 if (!(n->child != NULL ||
1253 n->next->type == ROFFT_TEXT ||
1254 n->next->flags & NODE_LINE))
1255 outflags &= ~MMAN_spc;
1268 if (NODE_SYNPRETTY & n->flags)
1269 print_block(".HP 4n", MMAN_nl);
1272 print_node(meta, n);
1274 outflags &= ~MMAN_spc;
1276 outflags &= ~MMAN_spc;
1289 if (NODE_SYNPRETTY & n->flags) {
1291 outflags |= MMAN_PP;
1304 if (n->child == NULL)
1306 if (NODE_SYNPRETTY & n->flags)
1307 print_block(".HP 4n", MMAN_nl);
1311 outflags &= ~(MMAN_spc | MMAN_nl);
1313 outflags &= ~MMAN_spc;
1327 if (n->child != NULL)
1350 print_line(".ft", 0);
1351 print_word(n->child->string);
1352 outflags |= MMAN_nl;
1359 if (NODE_SYNPRETTY & n->flags) {
1362 print_word("#include <");
1363 outflags &= ~MMAN_spc;
1366 outflags &= ~MMAN_spc;
1376 if (NODE_SYNPRETTY & n->flags) {
1377 outflags &= ~MMAN_spc;
1380 outflags |= MMAN_br;
1383 outflags &= ~MMAN_spc;
1391 const struct roff_node *bln;
1395 outflags |= MMAN_PP | MMAN_nl;
1396 bln = n->parent->parent;
1397 if (0 == bln->norm->Bl.comp ||
1398 (NULL == n->parent->prev &&
1399 NULL == bln->parent->prev))
1400 outflags |= MMAN_sp;
1401 outflags &= ~MMAN_br;
1402 switch (bln->norm->Bl.type) {
1408 if (bln->norm->Bl.type == LIST_diag)
1409 print_line(".B \"", 0);
1411 print_line(".R \"", 0);
1412 outflags &= ~MMAN_spc;
1417 print_width(&bln->norm->Bl, NULL);
1419 outflags |= MMAN_nl;
1421 if (LIST_bullet == bln->norm->Bl.type)
1422 print_word("\\(bu");
1426 outflags |= MMAN_nl;
1429 print_width(&bln->norm->Bl, NULL);
1431 outflags |= MMAN_nl;
1432 print_count(&bln->norm->Bl.count);
1433 outflags |= MMAN_nl;
1436 print_width(&bln->norm->Bl, n->child);
1438 outflags |= MMAN_nl;
1441 print_width(&bln->norm->Bl, n->child);
1443 outflags &= ~MMAN_spc;
1455 * This function is called after closing out an indented block.
1456 * If we are inside an enclosing list, restore its indentation.
1463 /* Nothing to do outside a list. */
1464 if (0 == Bl_stack_len || 0 == Bl_stack[Bl_stack_len - 1])
1467 /* The indentation has already been set up. */
1468 if (Bl_stack_post[Bl_stack_len - 1])
1471 /* Restore the indentation of the enclosing list. */
1472 print_line(".RS", MMAN_Bk_susp);
1473 (void)snprintf(buf, sizeof(buf), "%dn",
1474 Bl_stack[Bl_stack_len - 1]);
1477 /* Remeber to close out this .RS block later. */
1478 Bl_stack_post[Bl_stack_len - 1] = 1;
1484 const struct roff_node *bln;
1486 bln = n->parent->parent;
1490 switch (bln->norm->Bl.type) {
1492 outflags &= ~MMAN_spc;
1496 outflags |= MMAN_br;
1503 switch (bln->norm->Bl.type) {
1510 assert(Bl_stack_len);
1511 Bl_stack[--Bl_stack_len] = 0;
1514 * Our indentation had to be restored
1515 * after a child display or child list.
1516 * Close out that indentation block now.
1518 if (Bl_stack_post[Bl_stack_len]) {
1519 print_line(".RE", MMAN_nl);
1520 Bl_stack_post[Bl_stack_len] = 0;
1524 if (NULL != n->next) {
1526 outflags &= ~MMAN_spc;
1542 if (SEC_LIBRARY == n->sec)
1543 outflags |= MMAN_br;
1549 const struct roff_node *link, *descr, *punct;
1552 if ((link = n->child) == NULL)
1555 /* Find beginning of trailing punctuation. */
1557 while (punct != link && punct->flags & NODE_DELIMC)
1558 punct = punct->prev;
1559 punct = punct->next;
1562 if ((descr = link->next) != NULL && descr != punct) {
1564 while (descr != punct) {
1565 print_word(descr->string);
1566 descr = descr->next;
1573 display = man_strlen(link->string) >= 26;
1575 print_line(".RS", MMAN_Bk_susp);
1577 outflags |= MMAN_nl;
1580 print_word(link->string);
1583 /* Trailing punctuation. */
1584 while (punct != NULL) {
1585 print_word(punct->string);
1586 punct = punct->next;
1589 print_line(".RE", MMAN_nl);
1594 pre_onearg(DECL_ARGS)
1596 outflags |= MMAN_nl;
1598 outflags &= ~MMAN_spc;
1599 print_word(roff_name[n->tok]);
1600 if (n->child != NULL)
1601 print_word(n->child->string);
1602 outflags |= MMAN_nl;
1603 if (n->tok == ROFF_ce)
1604 for (n = n->child->next; n != NULL; n = n->next)
1605 print_node(meta, n);
1621 if (n->type == ROFFT_BLOCK) {
1622 outflags |= MMAN_Bk;
1625 if (n->type != ROFFT_ELEM && n->type != ROFFT_HEAD)
1627 name = n->child == NULL ? NULL : n->child->string;
1630 if (n->type == ROFFT_HEAD) {
1631 if (NULL == n->parent->prev)
1632 outflags |= MMAN_sp;
1633 print_block(".HP", 0);
1634 printf(" %dn", man_strlen(name) + 1);
1635 outflags |= MMAN_nl;
1647 outflags &= ~MMAN_Bk;
1651 if (n->child != NULL && n->child->string != NULL)
1663 outflags |= MMAN_spc_force;
1671 outflags &= ~MMAN_spc;
1679 if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1680 outflags &= ~MMAN_spc;
1687 if (MDOC_It != n->parent->tok)
1688 outflags |= MMAN_PP;
1689 outflags |= MMAN_sp | MMAN_nl;
1690 outflags &= ~MMAN_br;
1698 if (SEC_SEE_ALSO == n->sec) {
1699 outflags |= MMAN_PP | MMAN_sp | MMAN_nl;
1700 outflags &= ~MMAN_br;
1716 if (NULL == n->child)
1717 outflags ^= MMAN_Sm;
1718 else if (0 == strcmp("on", n->child->string))
1719 outflags |= MMAN_Sm;
1721 outflags &= ~MMAN_Sm;
1723 if (MMAN_Sm & outflags)
1724 outflags |= MMAN_spc;
1732 if (outflags & MMAN_PP) {
1733 outflags &= ~MMAN_PP;
1734 print_line(".PP", 0);
1736 print_line(".sp", 0);
1737 if (n->child != NULL)
1738 print_word(n->child->string);
1740 outflags |= MMAN_nl;
1754 print_line(".ta", 0);
1755 for (n = n->child; n != NULL; n = n->next)
1756 print_word(n->string);
1757 outflags |= MMAN_nl;
1764 if (NODE_SYNPRETTY & n->flags) {
1783 if (n->flags & NODE_SYNPRETTY && n->type != ROFFT_BODY)
1795 print_node(meta, n);
1799 outflags &= ~MMAN_spc;
1801 print_node(meta, n);