Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.131
1.131 ! schwarze 1: /* $Id: mdoc_term.c,v 1.130 2011/03/07 01:35:33 schwarze Exp $ */
1.1 kristaps 2: /*
1.122 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.95 schwarze 4: * Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 9: *
1.2 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 17: */
18: #include <sys/types.h>
19:
20: #include <assert.h>
21: #include <ctype.h>
1.77 schwarze 22: #include <stdint.h>
1.1 kristaps 23: #include <stdio.h>
24: #include <stdlib.h>
25: #include <string.h>
26:
1.81 schwarze 27: #include "mandoc.h"
1.61 schwarze 28: #include "out.h"
1.1 kristaps 29: #include "term.h"
30: #include "mdoc.h"
1.61 schwarze 31: #include "chars.h"
32: #include "main.h"
1.54 schwarze 33:
1.51 schwarze 34: #define INDENT 5
35: #define HALFINDENT 3
1.1 kristaps 36:
37: struct termpair {
38: struct termpair *ppair;
1.27 schwarze 39: int count;
1.1 kristaps 40: };
41:
1.29 schwarze 42: #define DECL_ARGS struct termp *p, \
43: struct termpair *pair, \
1.60 schwarze 44: const struct mdoc_meta *m, \
45: const struct mdoc_node *n
1.1 kristaps 46:
47: struct termact {
48: int (*pre)(DECL_ARGS);
49: void (*post)(DECL_ARGS);
50: };
1.29 schwarze 51:
1.89 schwarze 52: static size_t a2width(const struct termp *, const char *);
53: static size_t a2height(const struct termp *, const char *);
54: static size_t a2offs(const struct termp *, const char *);
1.62 schwarze 55:
56: static void print_bvspace(struct termp *,
57: const struct mdoc_node *,
58: const struct mdoc_node *);
1.65 schwarze 59: static void print_mdoc_node(DECL_ARGS);
60: static void print_mdoc_nodelist(DECL_ARGS);
1.87 schwarze 61: static void print_mdoc_head(struct termp *, const void *);
62: static void print_mdoc_foot(struct termp *, const void *);
1.86 schwarze 63: static void synopsis_pre(struct termp *,
64: const struct mdoc_node *);
1.62 schwarze 65:
1.29 schwarze 66: static void termp____post(DECL_ARGS);
1.120 schwarze 67: static void termp__t_post(DECL_ARGS);
1.49 schwarze 68: static void termp_an_post(DECL_ARGS);
1.29 schwarze 69: static void termp_bd_post(DECL_ARGS);
1.90 schwarze 70: static void termp_bk_post(DECL_ARGS);
1.29 schwarze 71: static void termp_bl_post(DECL_ARGS);
72: static void termp_d1_post(DECL_ARGS);
73: static void termp_fo_post(DECL_ARGS);
74: static void termp_in_post(DECL_ARGS);
75: static void termp_it_post(DECL_ARGS);
76: static void termp_lb_post(DECL_ARGS);
1.94 schwarze 77: static void termp_nm_post(DECL_ARGS);
1.29 schwarze 78: static void termp_pf_post(DECL_ARGS);
1.107 schwarze 79: static void termp_quote_post(DECL_ARGS);
1.29 schwarze 80: static void termp_sh_post(DECL_ARGS);
81: static void termp_ss_post(DECL_ARGS);
82:
1.104 schwarze 83: static int termp__a_pre(DECL_ARGS);
1.120 schwarze 84: static int termp__t_pre(DECL_ARGS);
1.49 schwarze 85: static int termp_an_pre(DECL_ARGS);
1.29 schwarze 86: static int termp_ap_pre(DECL_ARGS);
87: static int termp_bd_pre(DECL_ARGS);
88: static int termp_bf_pre(DECL_ARGS);
1.90 schwarze 89: static int termp_bk_pre(DECL_ARGS);
1.73 schwarze 90: static int termp_bl_pre(DECL_ARGS);
1.54 schwarze 91: static int termp_bold_pre(DECL_ARGS);
1.29 schwarze 92: static int termp_bt_pre(DECL_ARGS);
1.126 schwarze 93: static int termp_bx_pre(DECL_ARGS);
1.29 schwarze 94: static int termp_cd_pre(DECL_ARGS);
95: static int termp_d1_pre(DECL_ARGS);
96: static int termp_ex_pre(DECL_ARGS);
97: static int termp_fa_pre(DECL_ARGS);
1.107 schwarze 98: static int termp_fd_pre(DECL_ARGS);
1.29 schwarze 99: static int termp_fl_pre(DECL_ARGS);
100: static int termp_fn_pre(DECL_ARGS);
101: static int termp_fo_pre(DECL_ARGS);
102: static int termp_ft_pre(DECL_ARGS);
1.109 schwarze 103: static int termp_igndelim_pre(DECL_ARGS);
1.29 schwarze 104: static int termp_in_pre(DECL_ARGS);
105: static int termp_it_pre(DECL_ARGS);
1.65 schwarze 106: static int termp_li_pre(DECL_ARGS);
1.29 schwarze 107: static int termp_lk_pre(DECL_ARGS);
108: static int termp_nd_pre(DECL_ARGS);
109: static int termp_nm_pre(DECL_ARGS);
110: static int termp_ns_pre(DECL_ARGS);
1.107 schwarze 111: static int termp_quote_pre(DECL_ARGS);
1.29 schwarze 112: static int termp_rs_pre(DECL_ARGS);
113: static int termp_rv_pre(DECL_ARGS);
114: static int termp_sh_pre(DECL_ARGS);
115: static int termp_sm_pre(DECL_ARGS);
1.38 schwarze 116: static int termp_sp_pre(DECL_ARGS);
1.29 schwarze 117: static int termp_ss_pre(DECL_ARGS);
1.54 schwarze 118: static int termp_under_pre(DECL_ARGS);
1.29 schwarze 119: static int termp_ud_pre(DECL_ARGS);
1.69 schwarze 120: static int termp_vt_pre(DECL_ARGS);
1.29 schwarze 121: static int termp_xr_pre(DECL_ARGS);
122: static int termp_xx_pre(DECL_ARGS);
1.1 kristaps 123:
1.54 schwarze 124: static const struct termact termacts[MDOC_MAX] = {
1.11 schwarze 125: { termp_ap_pre, NULL }, /* Ap */
1.1 kristaps 126: { NULL, NULL }, /* Dd */
127: { NULL, NULL }, /* Dt */
128: { NULL, NULL }, /* Os */
129: { termp_sh_pre, termp_sh_post }, /* Sh */
130: { termp_ss_pre, termp_ss_post }, /* Ss */
1.54 schwarze 131: { termp_sp_pre, NULL }, /* Pp */
1.1 kristaps 132: { termp_d1_pre, termp_d1_post }, /* D1 */
133: { termp_d1_pre, termp_d1_post }, /* Dl */
134: { termp_bd_pre, termp_bd_post }, /* Bd */
135: { NULL, NULL }, /* Ed */
1.73 schwarze 136: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 137: { NULL, NULL }, /* El */
138: { termp_it_pre, termp_it_post }, /* It */
1.99 schwarze 139: { termp_under_pre, NULL }, /* Ad */
1.49 schwarze 140: { termp_an_pre, termp_an_post }, /* An */
1.54 schwarze 141: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 142: { termp_cd_pre, NULL }, /* Cd */
1.54 schwarze 143: { termp_bold_pre, NULL }, /* Cm */
1.1 kristaps 144: { NULL, NULL }, /* Dv */
145: { NULL, NULL }, /* Er */
146: { NULL, NULL }, /* Ev */
147: { termp_ex_pre, NULL }, /* Ex */
148: { termp_fa_pre, NULL }, /* Fa */
1.86 schwarze 149: { termp_fd_pre, NULL }, /* Fd */
1.1 kristaps 150: { termp_fl_pre, NULL }, /* Fl */
1.86 schwarze 151: { termp_fn_pre, NULL }, /* Fn */
1.85 schwarze 152: { termp_ft_pre, NULL }, /* Ft */
1.54 schwarze 153: { termp_bold_pre, NULL }, /* Ic */
1.1 kristaps 154: { termp_in_pre, termp_in_post }, /* In */
1.65 schwarze 155: { termp_li_pre, NULL }, /* Li */
1.1 kristaps 156: { termp_nd_pre, NULL }, /* Nd */
1.94 schwarze 157: { termp_nm_pre, termp_nm_post }, /* Nm */
1.107 schwarze 158: { termp_quote_pre, termp_quote_post }, /* Op */
1.1 kristaps 159: { NULL, NULL }, /* Ot */
1.54 schwarze 160: { termp_under_pre, NULL }, /* Pa */
1.1 kristaps 161: { termp_rv_pre, NULL }, /* Rv */
1.32 schwarze 162: { NULL, NULL }, /* St */
1.54 schwarze 163: { termp_under_pre, NULL }, /* Va */
1.86 schwarze 164: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 165: { termp_xr_pre, NULL }, /* Xr */
1.104 schwarze 166: { termp__a_pre, termp____post }, /* %A */
1.58 schwarze 167: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 168: { NULL, termp____post }, /* %D */
1.58 schwarze 169: { termp_under_pre, termp____post }, /* %I */
1.54 schwarze 170: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 171: { NULL, termp____post }, /* %N */
172: { NULL, termp____post }, /* %O */
173: { NULL, termp____post }, /* %P */
174: { NULL, termp____post }, /* %R */
1.120 schwarze 175: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 176: { NULL, termp____post }, /* %V */
177: { NULL, NULL }, /* Ac */
1.107 schwarze 178: { termp_quote_pre, termp_quote_post }, /* Ao */
179: { termp_quote_pre, termp_quote_post }, /* Aq */
1.32 schwarze 180: { NULL, NULL }, /* At */
1.1 kristaps 181: { NULL, NULL }, /* Bc */
182: { termp_bf_pre, NULL }, /* Bf */
1.107 schwarze 183: { termp_quote_pre, termp_quote_post }, /* Bo */
184: { termp_quote_pre, termp_quote_post }, /* Bq */
1.26 schwarze 185: { termp_xx_pre, NULL }, /* Bsx */
1.126 schwarze 186: { termp_bx_pre, NULL }, /* Bx */
1.1 kristaps 187: { NULL, NULL }, /* Db */
188: { NULL, NULL }, /* Dc */
1.107 schwarze 189: { termp_quote_pre, termp_quote_post }, /* Do */
190: { termp_quote_pre, termp_quote_post }, /* Dq */
1.73 schwarze 191: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 192: { NULL, NULL }, /* Ef */
1.54 schwarze 193: { termp_under_pre, NULL }, /* Em */
1.1 kristaps 194: { NULL, NULL }, /* Eo */
1.26 schwarze 195: { termp_xx_pre, NULL }, /* Fx */
1.98 schwarze 196: { termp_bold_pre, NULL }, /* Ms */
1.109 schwarze 197: { termp_igndelim_pre, NULL }, /* No */
1.1 kristaps 198: { termp_ns_pre, NULL }, /* Ns */
1.26 schwarze 199: { termp_xx_pre, NULL }, /* Nx */
200: { termp_xx_pre, NULL }, /* Ox */
1.1 kristaps 201: { NULL, NULL }, /* Pc */
1.109 schwarze 202: { termp_igndelim_pre, termp_pf_post }, /* Pf */
1.107 schwarze 203: { termp_quote_pre, termp_quote_post }, /* Po */
204: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 205: { NULL, NULL }, /* Qc */
1.107 schwarze 206: { termp_quote_pre, termp_quote_post }, /* Ql */
207: { termp_quote_pre, termp_quote_post }, /* Qo */
208: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 209: { NULL, NULL }, /* Re */
210: { termp_rs_pre, NULL }, /* Rs */
211: { NULL, NULL }, /* Sc */
1.107 schwarze 212: { termp_quote_pre, termp_quote_post }, /* So */
213: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 214: { termp_sm_pre, NULL }, /* Sm */
1.54 schwarze 215: { termp_under_pre, NULL }, /* Sx */
216: { termp_bold_pre, NULL }, /* Sy */
1.1 kristaps 217: { NULL, NULL }, /* Tn */
1.26 schwarze 218: { termp_xx_pre, NULL }, /* Ux */
1.1 kristaps 219: { NULL, NULL }, /* Xc */
220: { NULL, NULL }, /* Xo */
221: { termp_fo_pre, termp_fo_post }, /* Fo */
222: { NULL, NULL }, /* Fc */
1.107 schwarze 223: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 224: { NULL, NULL }, /* Oc */
1.90 schwarze 225: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 226: { NULL, NULL }, /* Ek */
227: { termp_bt_pre, NULL }, /* Bt */
228: { NULL, NULL }, /* Hf */
229: { NULL, NULL }, /* Fr */
230: { termp_ud_pre, NULL }, /* Ud */
1.32 schwarze 231: { NULL, termp_lb_post }, /* Lb */
1.54 schwarze 232: { termp_sp_pre, NULL }, /* Lp */
1.1 kristaps 233: { termp_lk_pre, NULL }, /* Lk */
1.54 schwarze 234: { termp_under_pre, NULL }, /* Mt */
1.107 schwarze 235: { termp_quote_pre, termp_quote_post }, /* Brq */
236: { termp_quote_pre, termp_quote_post }, /* Bro */
1.1 kristaps 237: { NULL, NULL }, /* Brc */
1.58 schwarze 238: { NULL, termp____post }, /* %C */
239: { NULL, NULL }, /* Es */ /* TODO */
240: { NULL, NULL }, /* En */ /* TODO */
1.26 schwarze 241: { termp_xx_pre, NULL }, /* Dx */
1.58 schwarze 242: { NULL, termp____post }, /* %Q */
1.54 schwarze 243: { termp_sp_pre, NULL }, /* br */
1.38 schwarze 244: { termp_sp_pre, NULL }, /* sp */
1.62 schwarze 245: { termp_under_pre, termp____post }, /* %U */
1.85 schwarze 246: { NULL, NULL }, /* Ta */
1.1 kristaps 247: };
248:
249:
1.55 schwarze 250: void
1.61 schwarze 251: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1 kristaps 252: {
1.55 schwarze 253: const struct mdoc_node *n;
254: const struct mdoc_meta *m;
1.61 schwarze 255: struct termp *p;
256:
257: p = (struct termp *)arg;
1.71 schwarze 258:
259: p->overstep = 0;
1.80 schwarze 260: p->maxrmargin = p->defrmargin;
1.89 schwarze 261: p->tabwidth = term_len(p, 5);
1.61 schwarze 262:
263: if (NULL == p->symtab)
264: switch (p->enc) {
265: case (TERMENC_ASCII):
266: p->symtab = chars_init(CHARS_ASCII);
267: break;
268: default:
269: abort();
270: /* NOTREACHED */
271: }
1.55 schwarze 272:
273: n = mdoc_node(mdoc);
274: m = mdoc_meta(mdoc);
275:
1.87 schwarze 276: term_begin(p, print_mdoc_head, print_mdoc_foot, m);
277:
1.55 schwarze 278: if (n->child)
1.65 schwarze 279: print_mdoc_nodelist(p, NULL, m, n->child);
1.87 schwarze 280:
281: term_end(p);
1.1 kristaps 282: }
283:
284:
285: static void
1.65 schwarze 286: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 287: {
288:
1.65 schwarze 289: print_mdoc_node(p, pair, m, n);
1.60 schwarze 290: if (n->next)
1.65 schwarze 291: print_mdoc_nodelist(p, pair, m, n->next);
1.1 kristaps 292: }
293:
294:
1.54 schwarze 295: /* ARGSUSED */
1.1 kristaps 296: static void
1.65 schwarze 297: print_mdoc_node(DECL_ARGS)
1.1 kristaps 298: {
1.65 schwarze 299: int chld;
300: const void *font;
1.1 kristaps 301: struct termpair npair;
1.28 schwarze 302: size_t offset, rmargin;
1.1 kristaps 303:
1.54 schwarze 304: chld = 1;
1.28 schwarze 305: offset = p->offset;
306: rmargin = p->rmargin;
1.65 schwarze 307: font = term_fontq(p);
1.1 kristaps 308:
1.63 schwarze 309: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 310: npair.ppair = pair;
1.65 schwarze 311:
1.95 schwarze 312: /*
313: * Keeps only work until the end of a line. If a keep was
314: * invoked in a prior line, revert it to PREKEEP.
1.116 schwarze 315: *
316: * Also let SYNPRETTY sections behave as if they were wrapped
317: * in a `Bk' block.
1.95 schwarze 318: */
319:
1.116 schwarze 320: if (TERMP_KEEP & p->flags || MDOC_SYNPRETTY & n->flags) {
1.95 schwarze 321: if (n->prev && n->prev->line != n->line) {
322: p->flags &= ~TERMP_KEEP;
323: p->flags |= TERMP_PREKEEP;
324: } else if (NULL == n->prev) {
325: if (n->parent && n->parent->line != n->line) {
326: p->flags &= ~TERMP_KEEP;
327: p->flags |= TERMP_PREKEEP;
328: }
329: }
330: }
1.116 schwarze 331:
332: /*
333: * Since SYNPRETTY sections aren't "turned off" with `Ek',
334: * we have to intuit whether we should disable formatting.
335: */
336:
337: if ( ! (MDOC_SYNPRETTY & n->flags) &&
338: ((n->prev && MDOC_SYNPRETTY & n->prev->flags) ||
339: (n->parent && MDOC_SYNPRETTY & n->parent->flags)))
340: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.128 schwarze 341:
342: /*
343: * After the keep flags have been set up, we may now
344: * produce output. Note that some pre-handlers do so.
345: */
346:
347: switch (n->type) {
348: case (MDOC_TEXT):
349: if (' ' == *n->string && MDOC_LINE & n->flags)
350: term_newln(p);
351: term_word(p, n->string);
352: break;
1.131 ! schwarze 353: case (MDOC_EQN):
! 354: term_word(p, n->eqn->data);
! 355: break;
1.128 schwarze 356: case (MDOC_TBL):
357: term_tbl(p, n->span);
358: break;
359: default:
360: if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
361: chld = (*termacts[n->tok].pre)
362: (p, &npair, m, n);
363: break;
364: }
1.95 schwarze 365:
1.60 schwarze 366: if (chld && n->child)
1.65 schwarze 367: print_mdoc_nodelist(p, &npair, m, n->child);
1.1 kristaps 368:
1.65 schwarze 369: term_fontpopq(p, font);
1.1 kristaps 370:
1.122 schwarze 371: switch (n->type) {
372: case (MDOC_TEXT):
373: break;
374: case (MDOC_TBL):
1.131 ! schwarze 375: break;
! 376: case (MDOC_EQN):
1.122 schwarze 377: break;
378: default:
379: if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
380: break;
1.95 schwarze 381: (void)(*termacts[n->tok].post)(p, &npair, m, n);
1.93 schwarze 382:
383: /*
384: * Explicit end tokens not only call the post
385: * handler, but also tell the respective block
386: * that it must not call the post handler again.
387: */
1.95 schwarze 388: if (ENDBODY_NOT != n->end)
1.93 schwarze 389: n->pending->flags |= MDOC_ENDED;
390:
391: /*
392: * End of line terminating an implicit block
393: * while an explicit block is still open.
394: * Continue the explicit block without spacing.
395: */
396: if (ENDBODY_NOSPACE == n->end)
397: p->flags |= TERMP_NOSPACE;
1.122 schwarze 398: break;
1.93 schwarze 399: }
1.28 schwarze 400:
1.78 schwarze 401: if (MDOC_EOS & n->flags)
402: p->flags |= TERMP_SENTENCE;
403:
1.28 schwarze 404: p->offset = offset;
405: p->rmargin = rmargin;
1.1 kristaps 406: }
407:
408:
409: static void
1.87 schwarze 410: print_mdoc_foot(struct termp *p, const void *arg)
1.1 kristaps 411: {
1.87 schwarze 412: const struct mdoc_meta *m;
413:
414: m = (const struct mdoc_meta *)arg;
1.1 kristaps 415:
1.65 schwarze 416: term_fontrepl(p, TERMFONT_NONE);
417:
1.7 schwarze 418: /*
419: * Output the footer in new-groff style, that is, three columns
420: * with the middle being the manual date and flanking columns
421: * being the operating system:
422: *
423: * SYSTEM DATE SYSTEM
424: */
425:
1.1 kristaps 426: term_vspace(p);
427:
1.7 schwarze 428: p->offset = 0;
1.89 schwarze 429: p->rmargin = (p->maxrmargin -
1.130 schwarze 430: term_strlen(p, m->date) + term_len(p, 1)) / 2;
1.1 kristaps 431: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
432:
1.130 schwarze 433: term_word(p, m->os);
1.1 kristaps 434: term_flushln(p);
435:
1.7 schwarze 436: p->offset = p->rmargin;
1.130 schwarze 437: p->rmargin = p->maxrmargin - term_strlen(p, m->os);
1.1 kristaps 438: p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.7 schwarze 439:
1.130 schwarze 440: term_word(p, m->date);
1.7 schwarze 441: term_flushln(p);
442:
1.1 kristaps 443: p->offset = p->rmargin;
444: p->rmargin = p->maxrmargin;
445: p->flags &= ~TERMP_NOBREAK;
1.7 schwarze 446: p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1 kristaps 447:
1.130 schwarze 448: term_word(p, m->os);
1.1 kristaps 449: term_flushln(p);
1.7 schwarze 450:
451: p->offset = 0;
452: p->rmargin = p->maxrmargin;
453: p->flags = 0;
1.1 kristaps 454: }
455:
456:
457: static void
1.87 schwarze 458: print_mdoc_head(struct termp *p, const void *arg)
1.1 kristaps 459: {
1.63 schwarze 460: char buf[BUFSIZ], title[BUFSIZ];
1.87 schwarze 461: const struct mdoc_meta *m;
462:
463: m = (const struct mdoc_meta *)arg;
1.1 kristaps 464:
465: p->rmargin = p->maxrmargin;
466: p->offset = 0;
467:
468: /*
469: * The header is strange. It has three components, which are
470: * really two with the first duplicated. It goes like this:
471: *
472: * IDENTIFIER TITLE IDENTIFIER
473: *
474: * The IDENTIFIER is NAME(SECTION), which is the command-name
475: * (if given, or "unknown" if not) followed by the manual page
476: * section. These are given in `Dt'. The TITLE is a free-form
477: * string depending on the manual volume. If not specified, it
478: * switches on the manual section.
479: */
480:
1.60 schwarze 481: assert(m->vol);
1.63 schwarze 482: strlcpy(buf, m->vol, BUFSIZ);
1.1 kristaps 483:
1.60 schwarze 484: if (m->arch) {
1.63 schwarze 485: strlcat(buf, " (", BUFSIZ);
486: strlcat(buf, m->arch, BUFSIZ);
487: strlcat(buf, ")", BUFSIZ);
1.1 kristaps 488: }
489:
1.79 schwarze 490: snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
1.1 kristaps 491:
492: p->offset = 0;
1.89 schwarze 493: p->rmargin = (p->maxrmargin -
494: term_strlen(p, buf) + term_len(p, 1)) / 2;
1.1 kristaps 495: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
496:
497: term_word(p, title);
498: term_flushln(p);
499:
500: p->offset = p->rmargin;
1.89 schwarze 501: p->rmargin = p->maxrmargin - term_strlen(p, title);
1.8 schwarze 502: p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1 kristaps 503:
504: term_word(p, buf);
505: term_flushln(p);
506:
507: p->offset = p->rmargin;
508: p->rmargin = p->maxrmargin;
509: p->flags &= ~TERMP_NOBREAK;
510: p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
511:
512: term_word(p, title);
513: term_flushln(p);
514:
1.8 schwarze 515: p->offset = 0;
1.1 kristaps 516: p->rmargin = p->maxrmargin;
517: p->flags &= ~TERMP_NOSPACE;
518: }
519:
520:
521: static size_t
1.89 schwarze 522: a2height(const struct termp *p, const char *v)
1.1 kristaps 523: {
1.61 schwarze 524: struct roffsu su;
1.1 kristaps 525:
1.89 schwarze 526: assert(v);
527: if ( ! a2roffsu(v, &su, SCALE_VS))
528: SCALE_VS_INIT(&su, term_len(p, 1));
1.1 kristaps 529:
1.89 schwarze 530: return(term_vspan(p, &su));
1.61 schwarze 531: }
1.34 schwarze 532:
1.1 kristaps 533:
1.61 schwarze 534: static size_t
1.89 schwarze 535: a2width(const struct termp *p, const char *v)
1.61 schwarze 536: {
537: struct roffsu su;
1.1 kristaps 538:
1.88 schwarze 539: assert(v);
540: if ( ! a2roffsu(v, &su, SCALE_MAX))
1.89 schwarze 541: SCALE_HS_INIT(&su, term_strlen(p, v));
1.1 kristaps 542:
1.89 schwarze 543: return(term_hspan(p, &su));
1.1 kristaps 544: }
545:
546:
547: static size_t
1.89 schwarze 548: a2offs(const struct termp *p, const char *v)
1.1 kristaps 549: {
1.61 schwarze 550: struct roffsu su;
1.1 kristaps 551:
1.88 schwarze 552: if ('\0' == *v)
1.61 schwarze 553: return(0);
1.88 schwarze 554: else if (0 == strcmp(v, "left"))
1.9 schwarze 555: return(0);
1.88 schwarze 556: else if (0 == strcmp(v, "indent"))
1.89 schwarze 557: return(term_len(p, INDENT + 1));
1.88 schwarze 558: else if (0 == strcmp(v, "indent-two"))
1.89 schwarze 559: return(term_len(p, (INDENT + 1) * 2));
1.88 schwarze 560: else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.89 schwarze 561: SCALE_HS_INIT(&su, term_strlen(p, v));
1.10 schwarze 562:
1.89 schwarze 563: return(term_hspan(p, &su));
1.1 kristaps 564: }
565:
566:
1.68 schwarze 567: /*
568: * Determine how much space to print out before block elements of `It'
569: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
570: * too.
571: */
1.45 schwarze 572: static void
1.61 schwarze 573: print_bvspace(struct termp *p,
1.1 kristaps 574: const struct mdoc_node *bl,
1.60 schwarze 575: const struct mdoc_node *n)
1.1 kristaps 576: {
1.60 schwarze 577: const struct mdoc_node *nn;
1.1 kristaps 578:
579: term_newln(p);
1.88 schwarze 580:
1.121 schwarze 581: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.88 schwarze 582: return;
1.121 schwarze 583: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.45 schwarze 584: return;
585:
1.60 schwarze 586: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 587:
1.60 schwarze 588: for (nn = n; nn; nn = nn->parent) {
589: if (MDOC_BLOCK != nn->type)
1.1 kristaps 590: continue;
1.60 schwarze 591: if (MDOC_Ss == nn->tok)
1.45 schwarze 592: return;
1.60 schwarze 593: if (MDOC_Sh == nn->tok)
1.45 schwarze 594: return;
1.60 schwarze 595: if (NULL == nn->prev)
1.1 kristaps 596: continue;
597: break;
598: }
599:
1.60 schwarze 600: /* A `-column' does not assert vspace within the list. */
1.45 schwarze 601:
1.121 schwarze 602: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.60 schwarze 603: if (n->prev && MDOC_It == n->prev->tok)
1.45 schwarze 604: return;
605:
1.60 schwarze 606: /* A `-diag' without body does not vspace. */
607:
1.121 schwarze 608: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.60 schwarze 609: if (n->prev && MDOC_It == n->prev->tok) {
610: assert(n->prev->body);
611: if (NULL == n->prev->body->child)
1.45 schwarze 612: return;
613: }
614:
615: term_vspace(p);
1.1 kristaps 616: }
617:
618:
619: /* ARGSUSED */
620: static int
621: termp_it_pre(DECL_ARGS)
622: {
1.60 schwarze 623: const struct mdoc_node *bl, *nn;
1.1 kristaps 624: char buf[7];
1.95 schwarze 625: int i;
1.68 schwarze 626: size_t width, offset, ncols, dcol;
1.82 schwarze 627: enum mdoc_list type;
1.1 kristaps 628:
1.60 schwarze 629: if (MDOC_BLOCK == n->type) {
1.61 schwarze 630: print_bvspace(p, n->parent->parent, n);
1.45 schwarze 631: return(1);
632: }
1.1 kristaps 633:
1.60 schwarze 634: bl = n->parent->parent->parent;
1.121 schwarze 635: type = bl->norm->Bl.type;
1.1 kristaps 636:
1.68 schwarze 637: /*
638: * First calculate width and offset. This is pretty easy unless
639: * we're a -column list, in which case all prior columns must
640: * be accounted for.
641: */
642:
643: width = offset = 0;
644:
1.121 schwarze 645: if (bl->norm->Bl.offs)
646: offset = a2offs(p, bl->norm->Bl.offs);
1.66 schwarze 647:
1.1 kristaps 648: switch (type) {
1.82 schwarze 649: case (LIST_column):
1.85 schwarze 650: if (MDOC_HEAD == n->type)
1.1 kristaps 651: break;
1.88 schwarze 652:
1.66 schwarze 653: /*
1.68 schwarze 654: * Imitate groff's column handling:
655: * - For each earlier column, add its width.
656: * - For less than 5 columns, add four more blanks per
657: * column.
658: * - For exactly 5 columns, add three more blank per
659: * column.
660: * - For more than 5 columns, add only one column.
1.66 schwarze 661: */
1.121 schwarze 662: ncols = bl->norm->Bl.ncols;
1.95 schwarze 663:
1.68 schwarze 664: /* LINTED */
1.89 schwarze 665: dcol = ncols < 5 ? term_len(p, 4) :
666: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68 schwarze 667:
1.85 schwarze 668: /*
669: * Calculate the offset by applying all prior MDOC_BODY,
670: * so we stop at the MDOC_HEAD (NULL == nn->prev).
671: */
672:
1.68 schwarze 673: for (i = 0, nn = n->prev;
1.85 schwarze 674: nn->prev && i < (int)ncols;
1.68 schwarze 675: nn = nn->prev, i++)
676: offset += dcol + a2width
1.121 schwarze 677: (p, bl->norm->Bl.cols[i]);
1.66 schwarze 678:
679: /*
1.68 schwarze 680: * When exceeding the declared number of columns, leave
681: * the remaining widths at 0. This will later be
682: * adjusted to the default width of 10, or, for the last
683: * column, stretched to the right margin.
1.46 schwarze 684: */
1.68 schwarze 685: if (i >= (int)ncols)
686: break;
1.46 schwarze 687:
1.66 schwarze 688: /*
1.68 schwarze 689: * Use the declared column widths, extended as explained
690: * in the preceding paragraph.
1.66 schwarze 691: */
1.121 schwarze 692: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 693: break;
694: default:
1.121 schwarze 695: if (NULL == bl->norm->Bl.width)
1.68 schwarze 696: break;
697:
698: /*
699: * Note: buffer the width by 2, which is groff's magic
700: * number for buffering single arguments. See the above
701: * handling for column for how this changes.
702: */
1.121 schwarze 703: assert(bl->norm->Bl.width);
704: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1 kristaps 705: break;
706: }
707:
708: /*
709: * List-type can override the width in the case of fixed-head
710: * values (bullet, dash/hyphen, enum). Tags need a non-zero
1.53 schwarze 711: * offset.
1.1 kristaps 712: */
713:
714: switch (type) {
1.82 schwarze 715: case (LIST_bullet):
1.1 kristaps 716: /* FALLTHROUGH */
1.82 schwarze 717: case (LIST_dash):
1.1 kristaps 718: /* FALLTHROUGH */
1.82 schwarze 719: case (LIST_hyphen):
1.89 schwarze 720: if (width < term_len(p, 4))
721: width = term_len(p, 4);
1.19 schwarze 722: break;
1.82 schwarze 723: case (LIST_enum):
1.89 schwarze 724: if (width < term_len(p, 5))
725: width = term_len(p, 5);
1.1 kristaps 726: break;
1.82 schwarze 727: case (LIST_hang):
1.33 schwarze 728: if (0 == width)
1.89 schwarze 729: width = term_len(p, 8);
1.33 schwarze 730: break;
1.82 schwarze 731: case (LIST_column):
1.41 schwarze 732: /* FALLTHROUGH */
1.82 schwarze 733: case (LIST_tag):
1.1 kristaps 734: if (0 == width)
1.89 schwarze 735: width = term_len(p, 10);
1.1 kristaps 736: break;
737: default:
738: break;
739: }
740:
741: /*
1.16 schwarze 742: * Whitespace control. Inset bodies need an initial space,
743: * while diagonal bodies need two.
1.1 kristaps 744: */
745:
1.42 schwarze 746: p->flags |= TERMP_NOSPACE;
747:
1.1 kristaps 748: switch (type) {
1.82 schwarze 749: case (LIST_diag):
1.60 schwarze 750: if (MDOC_BODY == n->type)
1.48 schwarze 751: term_word(p, "\\ \\ ");
1.42 schwarze 752: break;
1.82 schwarze 753: case (LIST_inset):
1.60 schwarze 754: if (MDOC_BODY == n->type)
1.42 schwarze 755: term_word(p, "\\ ");
1.1 kristaps 756: break;
757: default:
758: break;
759: }
760:
1.42 schwarze 761: p->flags |= TERMP_NOSPACE;
762:
1.1 kristaps 763: switch (type) {
1.82 schwarze 764: case (LIST_diag):
1.60 schwarze 765: if (MDOC_HEAD == n->type)
1.65 schwarze 766: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 767: break;
768: default:
769: break;
770: }
771:
772: /*
1.68 schwarze 773: * Pad and break control. This is the tricky part. These flags
774: * are documented in term_flushln() in term.c. Note that we're
775: * going to unset all of these flags in termp_it_post() when we
776: * exit.
1.1 kristaps 777: */
778:
779: switch (type) {
1.82 schwarze 780: case (LIST_bullet):
1.1 kristaps 781: /* FALLTHROUGH */
1.82 schwarze 782: case (LIST_dash):
1.1 kristaps 783: /* FALLTHROUGH */
1.82 schwarze 784: case (LIST_enum):
1.1 kristaps 785: /* FALLTHROUGH */
1.82 schwarze 786: case (LIST_hyphen):
1.60 schwarze 787: if (MDOC_HEAD == n->type)
1.33 schwarze 788: p->flags |= TERMP_NOBREAK;
789: else
790: p->flags |= TERMP_NOLPAD;
791: break;
1.82 schwarze 792: case (LIST_hang):
1.60 schwarze 793: if (MDOC_HEAD == n->type)
1.33 schwarze 794: p->flags |= TERMP_NOBREAK;
795: else
796: p->flags |= TERMP_NOLPAD;
797:
1.60 schwarze 798: if (MDOC_HEAD != n->type)
1.47 schwarze 799: break;
800:
801: /*
802: * This is ugly. If `-hang' is specified and the body
803: * is a `Bl' or `Bd', then we want basically to nullify
804: * the "overstep" effect in term_flushln() and treat
805: * this as a `-ohang' list instead.
806: */
1.60 schwarze 807: if (n->next->child &&
808: (MDOC_Bl == n->next->child->tok ||
809: MDOC_Bd == n->next->child->tok)) {
1.47 schwarze 810: p->flags &= ~TERMP_NOBREAK;
811: p->flags &= ~TERMP_NOLPAD;
812: } else
1.33 schwarze 813: p->flags |= TERMP_HANG;
814: break;
1.82 schwarze 815: case (LIST_tag):
1.60 schwarze 816: if (MDOC_HEAD == n->type)
1.42 schwarze 817: p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1 kristaps 818: else
819: p->flags |= TERMP_NOLPAD;
1.33 schwarze 820:
1.60 schwarze 821: if (MDOC_HEAD != n->type)
1.33 schwarze 822: break;
1.60 schwarze 823: if (NULL == n->next || NULL == n->next->child)
1.33 schwarze 824: p->flags |= TERMP_DANGLE;
1.1 kristaps 825: break;
1.82 schwarze 826: case (LIST_column):
1.85 schwarze 827: if (MDOC_HEAD == n->type)
828: break;
829:
830: if (NULL == n->next)
831: p->flags &= ~TERMP_NOBREAK;
832: else
833: p->flags |= TERMP_NOBREAK;
834:
835: assert(n->prev);
836: if (MDOC_BODY == n->prev->type)
837: p->flags |= TERMP_NOLPAD;
838:
1.1 kristaps 839: break;
1.82 schwarze 840: case (LIST_diag):
1.60 schwarze 841: if (MDOC_HEAD == n->type)
1.1 kristaps 842: p->flags |= TERMP_NOBREAK;
843: break;
844: default:
845: break;
846: }
847:
848: /*
849: * Margin control. Set-head-width lists have their right
850: * margins shortened. The body for these lists has the offset
851: * necessarily lengthened. Everybody gets the offset.
852: */
853:
854: p->offset += offset;
855:
856: switch (type) {
1.82 schwarze 857: case (LIST_hang):
1.47 schwarze 858: /*
859: * Same stipulation as above, regarding `-hang'. We
860: * don't want to recalculate rmargin and offsets when
861: * using `Bd' or `Bl' within `-hang' overstep lists.
862: */
1.60 schwarze 863: if (MDOC_HEAD == n->type && n->next->child &&
864: (MDOC_Bl == n->next->child->tok ||
865: MDOC_Bd == n->next->child->tok))
1.47 schwarze 866: break;
867: /* FALLTHROUGH */
1.82 schwarze 868: case (LIST_bullet):
1.1 kristaps 869: /* FALLTHROUGH */
1.82 schwarze 870: case (LIST_dash):
1.1 kristaps 871: /* FALLTHROUGH */
1.82 schwarze 872: case (LIST_enum):
1.1 kristaps 873: /* FALLTHROUGH */
1.82 schwarze 874: case (LIST_hyphen):
1.33 schwarze 875: /* FALLTHROUGH */
1.82 schwarze 876: case (LIST_tag):
1.41 schwarze 877: assert(width);
1.60 schwarze 878: if (MDOC_HEAD == n->type)
1.1 kristaps 879: p->rmargin = p->offset + width;
880: else
881: p->offset += width;
882: break;
1.82 schwarze 883: case (LIST_column):
1.41 schwarze 884: assert(width);
1.1 kristaps 885: p->rmargin = p->offset + width;
1.43 schwarze 886: /*
887: * XXX - this behaviour is not documented: the
888: * right-most column is filled to the right margin.
889: */
1.85 schwarze 890: if (MDOC_HEAD == n->type)
891: break;
892: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43 schwarze 893: p->rmargin = p->maxrmargin;
1.1 kristaps 894: break;
895: default:
896: break;
897: }
898:
899: /*
900: * The dash, hyphen, bullet and enum lists all have a special
1.12 schwarze 901: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 902: */
903:
1.60 schwarze 904: if (MDOC_HEAD == n->type)
1.1 kristaps 905: switch (type) {
1.82 schwarze 906: case (LIST_bullet):
1.65 schwarze 907: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 908: term_word(p, "\\[bu]");
1.65 schwarze 909: term_fontpop(p);
1.1 kristaps 910: break;
1.82 schwarze 911: case (LIST_dash):
1.1 kristaps 912: /* FALLTHROUGH */
1.82 schwarze 913: case (LIST_hyphen):
1.65 schwarze 914: term_fontpush(p, TERMFONT_BOLD);
1.35 schwarze 915: term_word(p, "\\(hy");
1.65 schwarze 916: term_fontpop(p);
1.1 kristaps 917: break;
1.82 schwarze 918: case (LIST_enum):
1.1 kristaps 919: (pair->ppair->ppair->count)++;
1.68 schwarze 920: snprintf(buf, sizeof(buf), "%d.",
1.1 kristaps 921: pair->ppair->ppair->count);
922: term_word(p, buf);
923: break;
924: default:
925: break;
926: }
1.12 schwarze 927:
1.1 kristaps 928: /*
929: * If we're not going to process our children, indicate so here.
930: */
931:
932: switch (type) {
1.82 schwarze 933: case (LIST_bullet):
1.1 kristaps 934: /* FALLTHROUGH */
1.82 schwarze 935: case (LIST_item):
1.1 kristaps 936: /* FALLTHROUGH */
1.82 schwarze 937: case (LIST_dash):
1.1 kristaps 938: /* FALLTHROUGH */
1.82 schwarze 939: case (LIST_hyphen):
1.1 kristaps 940: /* FALLTHROUGH */
1.82 schwarze 941: case (LIST_enum):
1.60 schwarze 942: if (MDOC_HEAD == n->type)
1.1 kristaps 943: return(0);
944: break;
1.82 schwarze 945: case (LIST_column):
1.85 schwarze 946: if (MDOC_HEAD == n->type)
1.1 kristaps 947: return(0);
948: break;
949: default:
950: break;
951: }
952:
953: return(1);
954: }
955:
956:
957: /* ARGSUSED */
958: static void
959: termp_it_post(DECL_ARGS)
960: {
1.82 schwarze 961: enum mdoc_list type;
1.1 kristaps 962:
1.68 schwarze 963: if (MDOC_BLOCK == n->type)
1.1 kristaps 964: return;
965:
1.121 schwarze 966: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 967:
968: switch (type) {
1.82 schwarze 969: case (LIST_item):
1.44 schwarze 970: /* FALLTHROUGH */
1.82 schwarze 971: case (LIST_diag):
1.1 kristaps 972: /* FALLTHROUGH */
1.82 schwarze 973: case (LIST_inset):
1.60 schwarze 974: if (MDOC_BODY == n->type)
1.74 schwarze 975: term_newln(p);
1.1 kristaps 976: break;
1.82 schwarze 977: case (LIST_column):
1.85 schwarze 978: if (MDOC_BODY == n->type)
1.1 kristaps 979: term_flushln(p);
980: break;
981: default:
1.74 schwarze 982: term_newln(p);
1.1 kristaps 983: break;
984: }
985:
1.68 schwarze 986: /*
987: * Now that our output is flushed, we can reset our tags. Since
988: * only `It' sets these flags, we're free to assume that nobody
989: * has munged them in the meanwhile.
990: */
991:
992: p->flags &= ~TERMP_DANGLE;
993: p->flags &= ~TERMP_NOBREAK;
994: p->flags &= ~TERMP_TWOSPACE;
995: p->flags &= ~TERMP_NOLPAD;
996: p->flags &= ~TERMP_HANG;
1.1 kristaps 997: }
998:
999:
1000: /* ARGSUSED */
1001: static int
1002: termp_nm_pre(DECL_ARGS)
1003: {
1004:
1.94 schwarze 1005: if (MDOC_BLOCK == n->type)
1006: return(1);
1007:
1008: if (MDOC_BODY == n->type) {
1009: if (NULL == n->child)
1010: return(0);
1011: p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1012: p->offset += term_len(p, 1) +
1013: (NULL == n->prev->child ? term_strlen(p, m->name) :
1014: MDOC_TEXT == n->prev->child->type ?
1015: term_strlen(p, n->prev->child->string) :
1016: term_len(p, 5));
1017: return(1);
1018: }
1019:
1.81 schwarze 1020: if (NULL == n->child && NULL == m->name)
1.94 schwarze 1021: return(0);
1.81 schwarze 1022:
1.97 schwarze 1023: if (MDOC_HEAD == n->type)
1024: synopsis_pre(p, n->parent);
1.65 schwarze 1025:
1.94 schwarze 1026: if (MDOC_HEAD == n->type && n->next->child) {
1.105 schwarze 1027: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1028: p->rmargin = p->offset + term_len(p, 1);
1029: if (NULL == n->child) {
1030: p->rmargin += term_strlen(p, m->name);
1031: } else if (MDOC_TEXT == n->child->type) {
1032: p->rmargin += term_strlen(p, n->child->string);
1033: if (n->child->next)
1034: p->flags |= TERMP_HANG;
1035: } else {
1036: p->rmargin += term_len(p, 5);
1037: p->flags |= TERMP_HANG;
1038: }
1.94 schwarze 1039: }
1040:
1.65 schwarze 1041: term_fontpush(p, TERMFONT_BOLD);
1.60 schwarze 1042: if (NULL == n->child)
1043: term_word(p, m->name);
1.1 kristaps 1044: return(1);
1045: }
1046:
1047:
1.94 schwarze 1048: /* ARGSUSED */
1049: static void
1050: termp_nm_post(DECL_ARGS)
1051: {
1052:
1053: if (MDOC_HEAD == n->type && n->next->child) {
1054: term_flushln(p);
1055: p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
1056: } else if (MDOC_BODY == n->type && n->child) {
1057: term_flushln(p);
1058: p->flags &= ~TERMP_NOLPAD;
1059: }
1060: }
1061:
1062:
1.1 kristaps 1063: /* ARGSUSED */
1064: static int
1065: termp_fl_pre(DECL_ARGS)
1066: {
1067:
1.65 schwarze 1068: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1069: term_word(p, "\\-");
1.67 schwarze 1070:
1071: if (n->child)
1072: p->flags |= TERMP_NOSPACE;
1.73 schwarze 1073: else if (n->next && n->next->line == n->line)
1074: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1075:
1.1 kristaps 1076: return(1);
1.49 schwarze 1077: }
1078:
1079:
1080: /* ARGSUSED */
1081: static int
1.104 schwarze 1082: termp__a_pre(DECL_ARGS)
1083: {
1084:
1085: if (n->prev && MDOC__A == n->prev->tok)
1086: if (NULL == n->next || MDOC__A != n->next->tok)
1087: term_word(p, "and");
1088:
1089: return(1);
1090: }
1091:
1092:
1093: /* ARGSUSED */
1094: static int
1.49 schwarze 1095: termp_an_pre(DECL_ARGS)
1096: {
1097:
1.60 schwarze 1098: if (NULL == n->child)
1.49 schwarze 1099: return(1);
1100:
1101: /*
1.60 schwarze 1102: * If not in the AUTHORS section, `An -split' will cause
1103: * newlines to occur before the author name. If in the AUTHORS
1104: * section, by default, the first `An' invocation is nosplit,
1105: * then all subsequent ones, regardless of whether interspersed
1106: * with other macros/text, are split. -split, in this case,
1107: * will override the condition of the implied first -nosplit.
1.49 schwarze 1108: */
1109:
1.60 schwarze 1110: if (n->sec == SEC_AUTHORS) {
1.49 schwarze 1111: if ( ! (TERMP_ANPREC & p->flags)) {
1112: if (TERMP_SPLIT & p->flags)
1113: term_newln(p);
1114: return(1);
1115: }
1116: if (TERMP_NOSPLIT & p->flags)
1117: return(1);
1118: term_newln(p);
1119: return(1);
1120: }
1121:
1122: if (TERMP_SPLIT & p->flags)
1123: term_newln(p);
1124:
1125: return(1);
1126: }
1127:
1128:
1129: /* ARGSUSED */
1130: static void
1131: termp_an_post(DECL_ARGS)
1132: {
1133:
1.60 schwarze 1134: if (n->child) {
1135: if (SEC_AUTHORS == n->sec)
1.49 schwarze 1136: p->flags |= TERMP_ANPREC;
1137: return;
1138: }
1139:
1.121 schwarze 1140: if (AUTH_split == n->norm->An.auth) {
1.49 schwarze 1141: p->flags &= ~TERMP_NOSPLIT;
1142: p->flags |= TERMP_SPLIT;
1.121 schwarze 1143: } else if (AUTH_nosplit == n->norm->An.auth) {
1.49 schwarze 1144: p->flags &= ~TERMP_SPLIT;
1145: p->flags |= TERMP_NOSPLIT;
1146: }
1147:
1.1 kristaps 1148: }
1149:
1150:
1151: /* ARGSUSED */
1152: static int
1153: termp_ns_pre(DECL_ARGS)
1154: {
1155:
1.127 schwarze 1156: if ( ! (MDOC_LINE & n->flags))
1157: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1158: return(1);
1159: }
1160:
1161:
1162: /* ARGSUSED */
1163: static int
1164: termp_rs_pre(DECL_ARGS)
1165: {
1166:
1.60 schwarze 1167: if (SEC_SEE_ALSO != n->sec)
1.57 schwarze 1168: return(1);
1.60 schwarze 1169: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1170: term_vspace(p);
1171: return(1);
1172: }
1173:
1174:
1175: /* ARGSUSED */
1176: static int
1177: termp_rv_pre(DECL_ARGS)
1178: {
1.53 schwarze 1179: const struct mdoc_node *nn;
1.1 kristaps 1180:
1181: term_newln(p);
1182: term_word(p, "The");
1183:
1.60 schwarze 1184: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1185: term_fontpush(p, TERMFONT_BOLD);
1.53 schwarze 1186: term_word(p, nn->string);
1.65 schwarze 1187: term_fontpop(p);
1.53 schwarze 1188: p->flags |= TERMP_NOSPACE;
1189: if (nn->next && NULL == nn->next->next)
1190: term_word(p, "(), and");
1191: else if (nn->next)
1192: term_word(p, "(),");
1193: else
1194: term_word(p, "()");
1195: }
1196:
1.81 schwarze 1197: if (n->child && n->child->next)
1.53 schwarze 1198: term_word(p, "functions return");
1199: else
1200: term_word(p, "function returns");
1.1 kristaps 1201:
1.53 schwarze 1202: term_word(p, "the value 0 if successful; otherwise the value "
1203: "-1 is returned and the global variable");
1.1 kristaps 1204:
1.65 schwarze 1205: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1206: term_word(p, "errno");
1.65 schwarze 1207: term_fontpop(p);
1.1 kristaps 1208:
1209: term_word(p, "is set to indicate the error.");
1.84 schwarze 1210: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1211:
1.53 schwarze 1212: return(0);
1.1 kristaps 1213: }
1214:
1215:
1216: /* ARGSUSED */
1217: static int
1218: termp_ex_pre(DECL_ARGS)
1219: {
1.53 schwarze 1220: const struct mdoc_node *nn;
1.1 kristaps 1221:
1.53 schwarze 1222: term_word(p, "The");
1.1 kristaps 1223:
1.60 schwarze 1224: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1225: term_fontpush(p, TERMFONT_BOLD);
1.53 schwarze 1226: term_word(p, nn->string);
1.65 schwarze 1227: term_fontpop(p);
1.53 schwarze 1228: p->flags |= TERMP_NOSPACE;
1229: if (nn->next && NULL == nn->next->next)
1230: term_word(p, ", and");
1231: else if (nn->next)
1232: term_word(p, ",");
1233: else
1234: p->flags &= ~TERMP_NOSPACE;
1235: }
1236:
1.81 schwarze 1237: if (n->child && n->child->next)
1.53 schwarze 1238: term_word(p, "utilities exit");
1239: else
1240: term_word(p, "utility exits");
1241:
1242: term_word(p, "0 on success, and >0 if an error occurs.");
1.84 schwarze 1243: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1244:
1.53 schwarze 1245: return(0);
1.1 kristaps 1246: }
1247:
1248:
1249: /* ARGSUSED */
1250: static int
1251: termp_nd_pre(DECL_ARGS)
1252: {
1.25 schwarze 1253:
1.60 schwarze 1254: if (MDOC_BODY != n->type)
1.25 schwarze 1255: return(1);
1256:
1257: #if defined(__OpenBSD__) || defined(__linux__)
1258: term_word(p, "\\(en");
1.24 schwarze 1259: #else
1260: term_word(p, "\\(em");
1261: #endif
1.1 kristaps 1262: return(1);
1263: }
1264:
1265:
1266: /* ARGSUSED */
1.73 schwarze 1267: static int
1268: termp_bl_pre(DECL_ARGS)
1269: {
1270:
1271: return(MDOC_HEAD != n->type);
1272: }
1273:
1274:
1275: /* ARGSUSED */
1.1 kristaps 1276: static void
1277: termp_bl_post(DECL_ARGS)
1278: {
1279:
1.60 schwarze 1280: if (MDOC_BLOCK == n->type)
1.1 kristaps 1281: term_newln(p);
1282: }
1283:
1284:
1285: /* ARGSUSED */
1286: static int
1287: termp_xr_pre(DECL_ARGS)
1288: {
1.60 schwarze 1289: const struct mdoc_node *nn;
1.1 kristaps 1290:
1.72 schwarze 1291: if (NULL == n->child)
1292: return(0);
1293:
1294: assert(MDOC_TEXT == n->child->type);
1.60 schwarze 1295: nn = n->child;
1.10 schwarze 1296:
1.60 schwarze 1297: term_word(p, nn->string);
1298: if (NULL == (nn = nn->next))
1.1 kristaps 1299: return(0);
1300: p->flags |= TERMP_NOSPACE;
1301: term_word(p, "(");
1.60 schwarze 1302: term_word(p, nn->string);
1.1 kristaps 1303: term_word(p, ")");
1.60 schwarze 1304:
1.1 kristaps 1305: return(0);
1306: }
1307:
1308:
1.86 schwarze 1309: /*
1310: * This decides how to assert whitespace before any of the SYNOPSIS set
1311: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1312: * macro combos).
1313: */
1314: static void
1315: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1316: {
1317: /*
1318: * Obviously, if we're not in a SYNOPSIS or no prior macros
1319: * exist, do nothing.
1320: */
1.92 schwarze 1321: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.86 schwarze 1322: return;
1323:
1324: /*
1325: * If we're the second in a pair of like elements, emit our
1326: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1327: * case we soldier on.
1328: */
1329: if (n->prev->tok == n->tok &&
1330: MDOC_Ft != n->tok &&
1331: MDOC_Fo != n->tok &&
1332: MDOC_Fn != n->tok) {
1333: term_newln(p);
1334: return;
1335: }
1336:
1337: /*
1338: * If we're one of the SYNOPSIS set and non-like pair-wise after
1339: * another (or Fn/Fo, which we've let slip through) then assert
1340: * vertical space, else only newline and move on.
1341: */
1342: switch (n->prev->tok) {
1343: case (MDOC_Fd):
1344: /* FALLTHROUGH */
1345: case (MDOC_Fn):
1346: /* FALLTHROUGH */
1347: case (MDOC_Fo):
1348: /* FALLTHROUGH */
1349: case (MDOC_In):
1350: /* FALLTHROUGH */
1351: case (MDOC_Vt):
1352: term_vspace(p);
1353: break;
1354: case (MDOC_Ft):
1355: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1356: term_vspace(p);
1357: break;
1358: }
1359: /* FALLTHROUGH */
1360: default:
1361: term_newln(p);
1362: break;
1363: }
1364: }
1365:
1366:
1.69 schwarze 1367: static int
1368: termp_vt_pre(DECL_ARGS)
1369: {
1370:
1.86 schwarze 1371: if (MDOC_ELEM == n->type) {
1372: synopsis_pre(p, n);
1.69 schwarze 1373: return(termp_under_pre(p, pair, m, n));
1.86 schwarze 1374: } else if (MDOC_BLOCK == n->type) {
1375: synopsis_pre(p, n);
1376: return(1);
1377: } else if (MDOC_HEAD == n->type)
1.69 schwarze 1378: return(0);
1379:
1380: return(termp_under_pre(p, pair, m, n));
1381: }
1382:
1383:
1.1 kristaps 1384: /* ARGSUSED */
1385: static int
1.54 schwarze 1386: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1387: {
1388:
1.65 schwarze 1389: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1390: return(1);
1391: }
1392:
1393:
1394: /* ARGSUSED */
1.86 schwarze 1395: static int
1396: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1397: {
1398:
1.86 schwarze 1399: synopsis_pre(p, n);
1400: return(termp_bold_pre(p, pair, m, n));
1.1 kristaps 1401: }
1402:
1403:
1404: /* ARGSUSED */
1405: static int
1406: termp_sh_pre(DECL_ARGS)
1407: {
1.60 schwarze 1408:
1409: /* No vspace between consecutive `Sh' calls. */
1410:
1411: switch (n->type) {
1.52 schwarze 1412: case (MDOC_BLOCK):
1.60 schwarze 1413: if (n->prev && MDOC_Sh == n->prev->tok)
1414: if (NULL == n->prev->body->child)
1.52 schwarze 1415: break;
1416: term_vspace(p);
1417: break;
1.1 kristaps 1418: case (MDOC_HEAD):
1.65 schwarze 1419: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1420: break;
1421: case (MDOC_BODY):
1.89 schwarze 1422: p->offset = term_len(p, INDENT);
1.1 kristaps 1423: break;
1424: default:
1425: break;
1426: }
1427: return(1);
1428: }
1429:
1430:
1431: /* ARGSUSED */
1432: static void
1433: termp_sh_post(DECL_ARGS)
1434: {
1435:
1.60 schwarze 1436: switch (n->type) {
1.1 kristaps 1437: case (MDOC_HEAD):
1438: term_newln(p);
1439: break;
1440: case (MDOC_BODY):
1441: term_newln(p);
1442: p->offset = 0;
1443: break;
1444: default:
1445: break;
1446: }
1447: }
1448:
1449:
1450: /* ARGSUSED */
1451: static int
1452: termp_bt_pre(DECL_ARGS)
1453: {
1454:
1455: term_word(p, "is currently in beta test.");
1.84 schwarze 1456: p->flags |= TERMP_SENTENCE;
1.59 schwarze 1457: return(0);
1.1 kristaps 1458: }
1459:
1460:
1461: /* ARGSUSED */
1462: static void
1463: termp_lb_post(DECL_ARGS)
1464: {
1465:
1.77 schwarze 1466: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.57 schwarze 1467: term_newln(p);
1.1 kristaps 1468: }
1469:
1470:
1471: /* ARGSUSED */
1472: static int
1473: termp_ud_pre(DECL_ARGS)
1474: {
1475:
1476: term_word(p, "currently under development.");
1.84 schwarze 1477: p->flags |= TERMP_SENTENCE;
1.60 schwarze 1478: return(0);
1.1 kristaps 1479: }
1480:
1481:
1482: /* ARGSUSED */
1483: static int
1484: termp_d1_pre(DECL_ARGS)
1485: {
1486:
1.60 schwarze 1487: if (MDOC_BLOCK != n->type)
1.1 kristaps 1488: return(1);
1489: term_newln(p);
1.89 schwarze 1490: p->offset += term_len(p, (INDENT + 1));
1.1 kristaps 1491: return(1);
1492: }
1493:
1494:
1495: /* ARGSUSED */
1496: static void
1497: termp_d1_post(DECL_ARGS)
1498: {
1499:
1.60 schwarze 1500: if (MDOC_BLOCK != n->type)
1.1 kristaps 1501: return;
1502: term_newln(p);
1503: }
1504:
1505:
1506: /* ARGSUSED */
1507: static int
1508: termp_ft_pre(DECL_ARGS)
1509: {
1510:
1.85 schwarze 1511: /* NB: MDOC_LINE does not effect this! */
1.86 schwarze 1512: synopsis_pre(p, n);
1.65 schwarze 1513: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1514: return(1);
1515: }
1516:
1517:
1518: /* ARGSUSED */
1519: static int
1520: termp_fn_pre(DECL_ARGS)
1521: {
1.60 schwarze 1522: const struct mdoc_node *nn;
1.1 kristaps 1523:
1.86 schwarze 1524: synopsis_pre(p, n);
1.85 schwarze 1525:
1.65 schwarze 1526: term_fontpush(p, TERMFONT_BOLD);
1.60 schwarze 1527: term_word(p, n->child->string);
1.65 schwarze 1528: term_fontpop(p);
1.1 kristaps 1529:
1530: p->flags |= TERMP_NOSPACE;
1531: term_word(p, "(");
1532:
1.60 schwarze 1533: for (nn = n->child->next; nn; nn = nn->next) {
1.65 schwarze 1534: term_fontpush(p, TERMFONT_UNDER);
1.60 schwarze 1535: term_word(p, nn->string);
1.65 schwarze 1536: term_fontpop(p);
1537:
1.60 schwarze 1538: if (nn->next)
1.1 kristaps 1539: term_word(p, ",");
1540: }
1541:
1542: term_word(p, ")");
1543:
1.92 schwarze 1544: if (MDOC_SYNPRETTY & n->flags)
1.1 kristaps 1545: term_word(p, ";");
1546:
1547: return(0);
1548: }
1549:
1550:
1551: /* ARGSUSED */
1552: static int
1553: termp_fa_pre(DECL_ARGS)
1554: {
1.60 schwarze 1555: const struct mdoc_node *nn;
1.1 kristaps 1556:
1.60 schwarze 1557: if (n->parent->tok != MDOC_Fo) {
1.65 schwarze 1558: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1559: return(1);
1560: }
1561:
1.60 schwarze 1562: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1563: term_fontpush(p, TERMFONT_UNDER);
1.60 schwarze 1564: term_word(p, nn->string);
1.65 schwarze 1565: term_fontpop(p);
1566:
1.60 schwarze 1567: if (nn->next)
1.1 kristaps 1568: term_word(p, ",");
1569: }
1570:
1.60 schwarze 1571: if (n->child && n->next && n->next->tok == MDOC_Fa)
1.1 kristaps 1572: term_word(p, ",");
1573:
1574: return(0);
1575: }
1576:
1577:
1578: /* ARGSUSED */
1579: static int
1580: termp_bd_pre(DECL_ARGS)
1581: {
1.99 schwarze 1582: size_t tabwidth, rm, rmax;
1.60 schwarze 1583: const struct mdoc_node *nn;
1.1 kristaps 1584:
1.60 schwarze 1585: if (MDOC_BLOCK == n->type) {
1.61 schwarze 1586: print_bvspace(p, n, n);
1.45 schwarze 1587: return(1);
1.73 schwarze 1588: } else if (MDOC_HEAD == n->type)
1589: return(0);
1.1 kristaps 1590:
1.121 schwarze 1591: if (n->norm->Bd.offs)
1592: p->offset += a2offs(p, n->norm->Bd.offs);
1.60 schwarze 1593:
1594: /*
1595: * If -ragged or -filled are specified, the block does nothing
1596: * but change the indentation. If -unfilled or -literal are
1597: * specified, text is printed exactly as entered in the display:
1598: * for macro lines, a newline is appended to the line. Blank
1599: * lines are allowed.
1600: */
1.48 schwarze 1601:
1.121 schwarze 1602: if (DISP_literal != n->norm->Bd.type &&
1603: DISP_unfilled != n->norm->Bd.type)
1.1 kristaps 1604: return(1);
1605:
1.75 schwarze 1606: tabwidth = p->tabwidth;
1.123 schwarze 1607: if (DISP_literal == n->norm->Bd.type)
1608: p->tabwidth = term_len(p, 8);
1609:
1.77 schwarze 1610: rm = p->rmargin;
1611: rmax = p->maxrmargin;
1612: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1613:
1.60 schwarze 1614: for (nn = n->child; nn; nn = nn->next) {
1.100 schwarze 1615: print_mdoc_node(p, pair, m, nn);
1.108 schwarze 1616: /*
1617: * If the printed node flushes its own line, then we
1618: * needn't do it here as well. This is hacky, but the
1619: * notion of selective eoln whitespace is pretty dumb
1620: * anyway, so don't sweat it.
1621: */
1622: switch (nn->tok) {
1.112 schwarze 1623: case (MDOC_Sm):
1624: /* FALLTHROUGH */
1.108 schwarze 1625: case (MDOC_br):
1626: /* FALLTHROUGH */
1627: case (MDOC_sp):
1628: /* FALLTHROUGH */
1629: case (MDOC_Bl):
1.115 schwarze 1630: /* FALLTHROUGH */
1631: case (MDOC_D1):
1632: /* FALLTHROUGH */
1633: case (MDOC_Dl):
1.108 schwarze 1634: /* FALLTHROUGH */
1635: case (MDOC_Lp):
1636: /* FALLTHROUGH */
1637: case (MDOC_Pp):
1638: continue;
1639: default:
1640: break;
1641: }
1.100 schwarze 1642: if (nn->next && nn->next->line == nn->line)
1643: continue;
1644: term_flushln(p);
1.48 schwarze 1645: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1646: }
1.88 schwarze 1647:
1.75 schwarze 1648: p->tabwidth = tabwidth;
1.77 schwarze 1649: p->rmargin = rm;
1650: p->maxrmargin = rmax;
1.1 kristaps 1651: return(0);
1652: }
1653:
1654:
1655: /* ARGSUSED */
1656: static void
1657: termp_bd_post(DECL_ARGS)
1658: {
1.77 schwarze 1659: size_t rm, rmax;
1.1 kristaps 1660:
1.60 schwarze 1661: if (MDOC_BODY != n->type)
1.1 kristaps 1662: return;
1.77 schwarze 1663:
1664: rm = p->rmargin;
1665: rmax = p->maxrmargin;
1666:
1.121 schwarze 1667: if (DISP_literal == n->norm->Bd.type ||
1668: DISP_unfilled == n->norm->Bd.type)
1.77 schwarze 1669: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1670:
1.48 schwarze 1671: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1672: term_newln(p);
1.77 schwarze 1673:
1674: p->rmargin = rm;
1675: p->maxrmargin = rmax;
1.1 kristaps 1676: }
1677:
1678:
1679: /* ARGSUSED */
1.126 schwarze 1680: static int
1681: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1682: {
1683:
1.126 schwarze 1684: if (NULL != (n = n->child)) {
1685: term_word(p, n->string);
1686: p->flags |= TERMP_NOSPACE;
1687: term_word(p, "BSD");
1688: } else {
1689: term_word(p, "BSD");
1690: return(0);
1691: }
1692:
1693: if (NULL != (n = n->next)) {
1694: p->flags |= TERMP_NOSPACE;
1695: term_word(p, "-");
1.1 kristaps 1696: p->flags |= TERMP_NOSPACE;
1.126 schwarze 1697: term_word(p, n->string);
1698: }
1699:
1700: return(0);
1.1 kristaps 1701: }
1702:
1703:
1704: /* ARGSUSED */
1705: static int
1.26 schwarze 1706: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1707: {
1.26 schwarze 1708: const char *pp;
1.129 schwarze 1709: int flags;
1.1 kristaps 1710:
1.26 schwarze 1711: pp = NULL;
1.60 schwarze 1712: switch (n->tok) {
1.26 schwarze 1713: case (MDOC_Bsx):
1.113 schwarze 1714: pp = "BSD/OS";
1.26 schwarze 1715: break;
1716: case (MDOC_Dx):
1.64 schwarze 1717: pp = "DragonFly";
1.26 schwarze 1718: break;
1719: case (MDOC_Fx):
1720: pp = "FreeBSD";
1721: break;
1722: case (MDOC_Nx):
1723: pp = "NetBSD";
1724: break;
1725: case (MDOC_Ox):
1726: pp = "OpenBSD";
1727: break;
1728: case (MDOC_Ux):
1729: pp = "UNIX";
1730: break;
1731: default:
1732: break;
1733: }
1.1 kristaps 1734:
1.26 schwarze 1735: term_word(p, pp);
1.129 schwarze 1736: if (n->child) {
1737: flags = p->flags;
1738: p->flags |= TERMP_KEEP;
1739: term_word(p, n->child->string);
1740: p->flags = flags;
1741: }
1742: return(0);
1.1 kristaps 1743: }
1744:
1745:
1746: /* ARGSUSED */
1747: static int
1.109 schwarze 1748: termp_igndelim_pre(DECL_ARGS)
1.1 kristaps 1749: {
1750:
1751: p->flags |= TERMP_IGNDELIM;
1752: return(1);
1753: }
1754:
1755:
1756: /* ARGSUSED */
1757: static void
1758: termp_pf_post(DECL_ARGS)
1759: {
1760:
1761: p->flags |= TERMP_NOSPACE;
1762: }
1763:
1764:
1765: /* ARGSUSED */
1766: static int
1767: termp_ss_pre(DECL_ARGS)
1768: {
1769:
1.60 schwarze 1770: switch (n->type) {
1.1 kristaps 1771: case (MDOC_BLOCK):
1772: term_newln(p);
1.60 schwarze 1773: if (n->prev)
1.1 kristaps 1774: term_vspace(p);
1775: break;
1776: case (MDOC_HEAD):
1.65 schwarze 1777: term_fontpush(p, TERMFONT_BOLD);
1.89 schwarze 1778: p->offset = term_len(p, HALFINDENT);
1.1 kristaps 1779: break;
1780: default:
1781: break;
1782: }
1783:
1784: return(1);
1785: }
1786:
1787:
1788: /* ARGSUSED */
1789: static void
1790: termp_ss_post(DECL_ARGS)
1791: {
1792:
1.60 schwarze 1793: if (MDOC_HEAD == n->type)
1.1 kristaps 1794: term_newln(p);
1795: }
1796:
1797:
1798: /* ARGSUSED */
1799: static int
1800: termp_cd_pre(DECL_ARGS)
1801: {
1802:
1.86 schwarze 1803: synopsis_pre(p, n);
1.65 schwarze 1804: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1805: return(1);
1806: }
1807:
1808:
1809: /* ARGSUSED */
1810: static int
1811: termp_in_pre(DECL_ARGS)
1812: {
1813:
1.86 schwarze 1814: synopsis_pre(p, n);
1.85 schwarze 1815:
1.92 schwarze 1816: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.85 schwarze 1817: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1818: term_word(p, "#include");
1.85 schwarze 1819: term_word(p, "<");
1820: } else {
1821: term_word(p, "<");
1822: term_fontpush(p, TERMFONT_UNDER);
1823: }
1.23 schwarze 1824:
1.1 kristaps 1825: p->flags |= TERMP_NOSPACE;
1826: return(1);
1827: }
1828:
1829:
1830: /* ARGSUSED */
1831: static void
1832: termp_in_post(DECL_ARGS)
1833: {
1834:
1.92 schwarze 1835: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1836: term_fontpush(p, TERMFONT_BOLD);
1837:
1.59 schwarze 1838: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1839: term_word(p, ">");
1840:
1.92 schwarze 1841: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1842: term_fontpop(p);
1.38 schwarze 1843: }
1844:
1845:
1846: /* ARGSUSED */
1847: static int
1848: termp_sp_pre(DECL_ARGS)
1849: {
1.61 schwarze 1850: size_t i, len;
1.38 schwarze 1851:
1.60 schwarze 1852: switch (n->tok) {
1.54 schwarze 1853: case (MDOC_sp):
1.89 schwarze 1854: len = n->child ? a2height(p, n->child->string) : 1;
1.54 schwarze 1855: break;
1856: case (MDOC_br):
1857: len = 0;
1858: break;
1859: default:
1860: len = 1;
1861: break;
1.38 schwarze 1862: }
1863:
1864: if (0 == len)
1865: term_newln(p);
1866: for (i = 0; i < len; i++)
1867: term_vspace(p);
1868:
1869: return(0);
1870: }
1871:
1872:
1873: /* ARGSUSED */
1874: static int
1.107 schwarze 1875: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1876: {
1877:
1.120 schwarze 1878: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1879: return(1);
1880:
1.107 schwarze 1881: switch (n->tok) {
1882: case (MDOC_Ao):
1883: /* FALLTHROUGH */
1884: case (MDOC_Aq):
1885: term_word(p, "<");
1886: break;
1887: case (MDOC_Bro):
1888: /* FALLTHROUGH */
1889: case (MDOC_Brq):
1890: term_word(p, "{");
1891: break;
1892: case (MDOC_Oo):
1893: /* FALLTHROUGH */
1894: case (MDOC_Op):
1895: /* FALLTHROUGH */
1896: case (MDOC_Bo):
1897: /* FALLTHROUGH */
1898: case (MDOC_Bq):
1899: term_word(p, "[");
1900: break;
1901: case (MDOC_Do):
1902: /* FALLTHROUGH */
1903: case (MDOC_Dq):
1904: term_word(p, "``");
1905: break;
1906: case (MDOC_Po):
1907: /* FALLTHROUGH */
1908: case (MDOC_Pq):
1909: term_word(p, "(");
1910: break;
1.120 schwarze 1911: case (MDOC__T):
1912: /* FALLTHROUGH */
1.107 schwarze 1913: case (MDOC_Qo):
1914: /* FALLTHROUGH */
1915: case (MDOC_Qq):
1916: term_word(p, "\"");
1917: break;
1918: case (MDOC_Ql):
1919: /* FALLTHROUGH */
1920: case (MDOC_So):
1921: /* FALLTHROUGH */
1922: case (MDOC_Sq):
1923: term_word(p, "`");
1924: break;
1925: default:
1926: abort();
1927: /* NOTREACHED */
1928: }
1.1 kristaps 1929:
1930: p->flags |= TERMP_NOSPACE;
1931: return(1);
1932: }
1933:
1934:
1935: /* ARGSUSED */
1936: static void
1.107 schwarze 1937: termp_quote_post(DECL_ARGS)
1.1 kristaps 1938: {
1939:
1.120 schwarze 1940: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1941: return;
1942:
1943: p->flags |= TERMP_NOSPACE;
1944:
1.107 schwarze 1945: switch (n->tok) {
1946: case (MDOC_Ao):
1947: /* FALLTHROUGH */
1948: case (MDOC_Aq):
1949: term_word(p, ">");
1950: break;
1951: case (MDOC_Bro):
1952: /* FALLTHROUGH */
1953: case (MDOC_Brq):
1954: term_word(p, "}");
1955: break;
1956: case (MDOC_Oo):
1957: /* FALLTHROUGH */
1958: case (MDOC_Op):
1959: /* FALLTHROUGH */
1960: case (MDOC_Bo):
1961: /* FALLTHROUGH */
1962: case (MDOC_Bq):
1963: term_word(p, "]");
1964: break;
1965: case (MDOC_Do):
1966: /* FALLTHROUGH */
1967: case (MDOC_Dq):
1968: term_word(p, "''");
1969: break;
1970: case (MDOC_Po):
1971: /* FALLTHROUGH */
1972: case (MDOC_Pq):
1973: term_word(p, ")");
1974: break;
1.120 schwarze 1975: case (MDOC__T):
1976: /* FALLTHROUGH */
1.107 schwarze 1977: case (MDOC_Qo):
1978: /* FALLTHROUGH */
1979: case (MDOC_Qq):
1980: term_word(p, "\"");
1981: break;
1982: case (MDOC_Ql):
1983: /* FALLTHROUGH */
1984: case (MDOC_So):
1985: /* FALLTHROUGH */
1986: case (MDOC_Sq):
1987: term_word(p, "'");
1988: break;
1989: default:
1990: abort();
1991: /* NOTREACHED */
1992: }
1.1 kristaps 1993: }
1994:
1995:
1996: /* ARGSUSED */
1997: static int
1998: termp_fo_pre(DECL_ARGS)
1999: {
2000:
1.85 schwarze 2001: if (MDOC_BLOCK == n->type) {
1.86 schwarze 2002: synopsis_pre(p, n);
1.85 schwarze 2003: return(1);
2004: } else if (MDOC_BODY == n->type) {
1.31 schwarze 2005: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2006: term_word(p, "(");
2007: return(1);
1.85 schwarze 2008: }
2009:
1.95 schwarze 2010: if (NULL == n->child)
2011: return(0);
2012:
1.85 schwarze 2013: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2014:
1.85 schwarze 2015: assert(n->child->string);
1.65 schwarze 2016: term_fontpush(p, TERMFONT_BOLD);
1.85 schwarze 2017: term_word(p, n->child->string);
1.1 kristaps 2018: return(0);
2019: }
2020:
2021:
2022: /* ARGSUSED */
2023: static void
2024: termp_fo_post(DECL_ARGS)
2025: {
2026:
1.86 schwarze 2027: if (MDOC_BODY != n->type)
2028: return;
2029:
2030: term_word(p, ")");
2031:
1.107 schwarze 2032: if (MDOC_SYNPRETTY & n->flags)
1.86 schwarze 2033: term_word(p, ";");
1.1 kristaps 2034: }
2035:
2036:
2037: /* ARGSUSED */
2038: static int
2039: termp_bf_pre(DECL_ARGS)
2040: {
2041:
1.60 schwarze 2042: if (MDOC_HEAD == n->type)
1.1 kristaps 2043: return(0);
1.60 schwarze 2044: else if (MDOC_BLOCK != n->type)
1.1 kristaps 2045: return(1);
2046:
1.121 schwarze 2047: if (FONT_Em == n->norm->Bf.font)
1.65 schwarze 2048: term_fontpush(p, TERMFONT_UNDER);
1.121 schwarze 2049: else if (FONT_Sy == n->norm->Bf.font)
1.65 schwarze 2050: term_fontpush(p, TERMFONT_BOLD);
1.95 schwarze 2051: else
1.65 schwarze 2052: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2053:
2054: return(1);
2055: }
2056:
2057:
2058: /* ARGSUSED */
2059: static int
2060: termp_sm_pre(DECL_ARGS)
2061: {
2062:
1.60 schwarze 2063: assert(n->child && MDOC_TEXT == n->child->type);
1.96 schwarze 2064: if (0 == strcmp("on", n->child->string)) {
2065: if (p->col)
2066: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2067: p->flags &= ~TERMP_NONOSPACE;
1.96 schwarze 2068: } else
1.1 kristaps 2069: p->flags |= TERMP_NONOSPACE;
2070:
2071: return(0);
2072: }
2073:
2074:
2075: /* ARGSUSED */
2076: static int
2077: termp_ap_pre(DECL_ARGS)
2078: {
2079:
2080: p->flags |= TERMP_NOSPACE;
1.107 schwarze 2081: term_word(p, "'");
1.1 kristaps 2082: p->flags |= TERMP_NOSPACE;
2083: return(1);
2084: }
2085:
2086:
2087: /* ARGSUSED */
2088: static void
2089: termp____post(DECL_ARGS)
2090: {
1.104 schwarze 2091:
2092: /*
2093: * Handle lists of authors. In general, print each followed by
2094: * a comma. Don't print the comma if there are only two
2095: * authors.
2096: */
2097: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2098: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2099: if (NULL == n->prev || MDOC__A != n->prev->tok)
2100: return;
1.1 kristaps 2101:
1.62 schwarze 2102: /* TODO: %U. */
2103:
1.106 schwarze 2104: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2105: return;
2106:
2107: if (NULL == n->next) {
2108: term_word(p, ".");
2109: p->flags |= TERMP_SENTENCE;
2110: } else
2111: term_word(p, ",");
1.1 kristaps 2112: }
2113:
2114:
2115: /* ARGSUSED */
2116: static int
1.65 schwarze 2117: termp_li_pre(DECL_ARGS)
2118: {
2119:
2120: term_fontpush(p, TERMFONT_NONE);
2121: return(1);
2122: }
2123:
2124:
2125: /* ARGSUSED */
2126: static int
1.1 kristaps 2127: termp_lk_pre(DECL_ARGS)
2128: {
1.101 schwarze 2129: const struct mdoc_node *nn, *sv;
1.1 kristaps 2130:
1.65 schwarze 2131: term_fontpush(p, TERMFONT_UNDER);
1.101 schwarze 2132:
2133: nn = sv = n->child;
1.62 schwarze 2134:
1.114 schwarze 2135: if (NULL == nn || NULL == nn->next)
1.6 schwarze 2136: return(1);
1.1 kristaps 2137:
1.101 schwarze 2138: for (nn = nn->next; nn; nn = nn->next)
2139: term_word(p, nn->string);
2140:
1.65 schwarze 2141: term_fontpop(p);
1.62 schwarze 2142:
1.1 kristaps 2143: term_word(p, ":");
2144:
1.65 schwarze 2145: term_fontpush(p, TERMFONT_BOLD);
1.101 schwarze 2146: term_word(p, sv->string);
1.65 schwarze 2147: term_fontpop(p);
1.6 schwarze 2148:
1.1 kristaps 2149: return(0);
2150: }
2151:
1.90 schwarze 2152:
2153: /* ARGSUSED */
2154: static int
2155: termp_bk_pre(DECL_ARGS)
2156: {
2157:
1.91 schwarze 2158: switch (n->type) {
2159: case (MDOC_BLOCK):
1.95 schwarze 2160: break;
1.91 schwarze 2161: case (MDOC_HEAD):
2162: return(0);
2163: case (MDOC_BODY):
1.117 schwarze 2164: if (n->parent->args || 0 == n->prev->nchild)
2165: p->flags |= TERMP_PREKEEP;
1.95 schwarze 2166: break;
1.91 schwarze 2167: default:
2168: abort();
1.95 schwarze 2169: /* NOTREACHED */
1.91 schwarze 2170: }
1.95 schwarze 2171:
2172: return(1);
1.90 schwarze 2173: }
2174:
2175:
2176: /* ARGSUSED */
2177: static void
2178: termp_bk_post(DECL_ARGS)
2179: {
2180:
1.91 schwarze 2181: if (MDOC_BODY == n->type)
2182: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 2183: }
1.120 schwarze 2184:
2185: /* ARGSUSED */
2186: static void
2187: termp__t_post(DECL_ARGS)
2188: {
2189:
2190: /*
2191: * If we're in an `Rs' and there's a journal present, then quote
2192: * us instead of underlining us (for disambiguation).
2193: */
1.121 schwarze 2194: if (n->parent && MDOC_Rs == n->parent->tok &&
1.125 schwarze 2195: n->parent->norm->Rs.quote_T)
1.120 schwarze 2196: termp_quote_post(p, pair, m, n);
2197:
2198: termp____post(p, pair, m, n);
2199: }
2200:
2201: /* ARGSUSED */
2202: static int
2203: termp__t_pre(DECL_ARGS)
2204: {
2205:
2206: /*
2207: * If we're in an `Rs' and there's a journal present, then quote
2208: * us instead of underlining us (for disambiguation).
2209: */
1.121 schwarze 2210: if (n->parent && MDOC_Rs == n->parent->tok &&
1.125 schwarze 2211: n->parent->norm->Rs.quote_T)
1.120 schwarze 2212: return(termp_quote_pre(p, pair, m, n));
2213:
2214: term_fontpush(p, TERMFONT_UNDER);
2215: return(1);
1.121 schwarze 2216: }
1.1 kristaps 2217:
2218: /* ARGSUSED */
2219: static int
1.54 schwarze 2220: termp_under_pre(DECL_ARGS)
1.1 kristaps 2221: {
2222:
1.65 schwarze 2223: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 2224: return(1);
2225: }