Annotation of mandoc/mdoc_term.c, Revision 1.244
1.244 ! schwarze 1: /* $Id: mdoc_term.c,v 1.243 2012/07/11 16:57:43 schwarze Exp $ */
1.1 kristaps 2: /*
1.217 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.240 schwarze 4: * Copyright (c) 2010, 2012 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
1.6 kristaps 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: *
1.6 kristaps 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: */
1.107 kristaps 18: #ifdef HAVE_CONFIG_H
19: #include "config.h"
20: #endif
21:
1.1 kristaps 22: #include <sys/types.h>
23:
24: #include <assert.h>
25: #include <ctype.h>
1.118 kristaps 26: #include <stdint.h>
1.1 kristaps 27: #include <stdio.h>
28: #include <stdlib.h>
29: #include <string.h>
30:
1.125 kristaps 31: #include "mandoc.h"
1.92 kristaps 32: #include "out.h"
1.1 kristaps 33: #include "term.h"
34: #include "mdoc.h"
1.89 kristaps 35: #include "main.h"
1.1 kristaps 36:
37: struct termpair {
38: struct termpair *ppair;
1.31 kristaps 39: int count;
1.1 kristaps 40: };
41:
1.31 kristaps 42: #define DECL_ARGS struct termp *p, \
43: struct termpair *pair, \
1.86 kristaps 44: const struct mdoc_meta *m, \
1.244 ! schwarze 45: struct mdoc_node *n
1.1 kristaps 46:
47: struct termact {
48: int (*pre)(DECL_ARGS);
49: void (*post)(DECL_ARGS);
50: };
51:
1.157 kristaps 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 *);
1.96 kristaps 55:
56: static void print_bvspace(struct termp *,
1.151 kristaps 57: const struct mdoc_node *,
1.96 kristaps 58: const struct mdoc_node *);
1.102 kristaps 59: static void print_mdoc_node(DECL_ARGS);
1.145 kristaps 60: static void print_mdoc_nodelist(DECL_ARGS);
1.144 kristaps 61: static void print_mdoc_head(struct termp *, const void *);
1.145 kristaps 62: static void print_mdoc_foot(struct termp *, const void *);
1.143 kristaps 63: static void synopsis_pre(struct termp *,
64: const struct mdoc_node *);
1.96 kristaps 65:
1.31 kristaps 66: static void termp____post(DECL_ARGS);
1.203 kristaps 67: static void termp__t_post(DECL_ARGS);
1.61 kristaps 68: static void termp_an_post(DECL_ARGS);
1.31 kristaps 69: static void termp_bd_post(DECL_ARGS);
1.159 schwarze 70: static void termp_bk_post(DECL_ARGS);
1.31 kristaps 71: static void termp_bl_post(DECL_ARGS);
1.241 schwarze 72: static void termp_fd_post(DECL_ARGS);
1.31 kristaps 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);
1.164 schwarze 77: static void termp_nm_post(DECL_ARGS);
1.31 kristaps 78: static void termp_pf_post(DECL_ARGS);
1.188 kristaps 79: static void termp_quote_post(DECL_ARGS);
1.31 kristaps 80: static void termp_sh_post(DECL_ARGS);
81: static void termp_ss_post(DECL_ARGS);
82:
1.184 kristaps 83: static int termp__a_pre(DECL_ARGS);
1.203 kristaps 84: static int termp__t_pre(DECL_ARGS);
1.61 kristaps 85: static int termp_an_pre(DECL_ARGS);
1.31 kristaps 86: static int termp_ap_pre(DECL_ARGS);
87: static int termp_bd_pre(DECL_ARGS);
88: static int termp_bf_pre(DECL_ARGS);
1.159 schwarze 89: static int termp_bk_pre(DECL_ARGS);
1.115 kristaps 90: static int termp_bl_pre(DECL_ARGS);
1.69 kristaps 91: static int termp_bold_pre(DECL_ARGS);
1.31 kristaps 92: static int termp_bt_pre(DECL_ARGS);
1.211 kristaps 93: static int termp_bx_pre(DECL_ARGS);
1.31 kristaps 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);
1.188 kristaps 98: static int termp_fd_pre(DECL_ARGS);
1.31 kristaps 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);
1.192 schwarze 103: static int termp_igndelim_pre(DECL_ARGS);
1.31 kristaps 104: static int termp_in_pre(DECL_ARGS);
105: static int termp_it_pre(DECL_ARGS);
1.102 kristaps 106: static int termp_li_pre(DECL_ARGS);
1.31 kristaps 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);
1.188 kristaps 111: static int termp_quote_pre(DECL_ARGS);
1.31 kristaps 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);
1.45 kristaps 116: static int termp_sp_pre(DECL_ARGS);
1.31 kristaps 117: static int termp_ss_pre(DECL_ARGS);
1.69 kristaps 118: static int termp_under_pre(DECL_ARGS);
1.31 kristaps 119: static int termp_ud_pre(DECL_ARGS);
1.110 kristaps 120: static int termp_vt_pre(DECL_ARGS);
1.31 kristaps 121: static int termp_xr_pre(DECL_ARGS);
122: static int termp_xx_pre(DECL_ARGS);
123:
1.70 kristaps 124: static const struct termact termacts[MDOC_MAX] = {
1.14 kristaps 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 */
1.76 kristaps 131: { termp_sp_pre, NULL }, /* Pp */
1.241 schwarze 132: { termp_d1_pre, termp_bl_post }, /* D1 */
133: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 134: { termp_bd_pre, termp_bd_post }, /* Bd */
135: { NULL, NULL }, /* Ed */
1.115 kristaps 136: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 137: { NULL, NULL }, /* El */
138: { termp_it_pre, termp_it_post }, /* It */
1.178 kristaps 139: { termp_under_pre, NULL }, /* Ad */
1.61 kristaps 140: { termp_an_pre, termp_an_post }, /* An */
1.69 kristaps 141: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 142: { termp_cd_pre, NULL }, /* Cd */
1.69 kristaps 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 */
1.241 schwarze 149: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 150: { termp_fl_pre, NULL }, /* Fl */
1.143 kristaps 151: { termp_fn_pre, NULL }, /* Fn */
1.141 kristaps 152: { termp_ft_pre, NULL }, /* Ft */
1.69 kristaps 153: { termp_bold_pre, NULL }, /* Ic */
1.1 kristaps 154: { termp_in_pre, termp_in_post }, /* In */
1.102 kristaps 155: { termp_li_pre, NULL }, /* Li */
1.1 kristaps 156: { termp_nd_pre, NULL }, /* Nd */
1.164 schwarze 157: { termp_nm_pre, termp_nm_post }, /* Nm */
1.188 kristaps 158: { termp_quote_pre, termp_quote_post }, /* Op */
1.1 kristaps 159: { NULL, NULL }, /* Ot */
1.69 kristaps 160: { termp_under_pre, NULL }, /* Pa */
1.1 kristaps 161: { termp_rv_pre, NULL }, /* Rv */
1.36 kristaps 162: { NULL, NULL }, /* St */
1.69 kristaps 163: { termp_under_pre, NULL }, /* Va */
1.143 kristaps 164: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 165: { termp_xr_pre, NULL }, /* Xr */
1.184 kristaps 166: { termp__a_pre, termp____post }, /* %A */
1.84 kristaps 167: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 168: { NULL, termp____post }, /* %D */
1.84 kristaps 169: { termp_under_pre, termp____post }, /* %I */
1.69 kristaps 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 */
1.203 kristaps 175: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 176: { NULL, termp____post }, /* %V */
177: { NULL, NULL }, /* Ac */
1.188 kristaps 178: { termp_quote_pre, termp_quote_post }, /* Ao */
179: { termp_quote_pre, termp_quote_post }, /* Aq */
1.35 kristaps 180: { NULL, NULL }, /* At */
1.1 kristaps 181: { NULL, NULL }, /* Bc */
182: { termp_bf_pre, NULL }, /* Bf */
1.188 kristaps 183: { termp_quote_pre, termp_quote_post }, /* Bo */
184: { termp_quote_pre, termp_quote_post }, /* Bq */
1.26 kristaps 185: { termp_xx_pre, NULL }, /* Bsx */
1.211 kristaps 186: { termp_bx_pre, NULL }, /* Bx */
1.1 kristaps 187: { NULL, NULL }, /* Db */
188: { NULL, NULL }, /* Dc */
1.188 kristaps 189: { termp_quote_pre, termp_quote_post }, /* Do */
190: { termp_quote_pre, termp_quote_post }, /* Dq */
1.112 kristaps 191: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 192: { NULL, NULL }, /* Ef */
1.69 kristaps 193: { termp_under_pre, NULL }, /* Em */
1.237 schwarze 194: { termp_quote_pre, termp_quote_post }, /* Eo */
1.26 kristaps 195: { termp_xx_pre, NULL }, /* Fx */
1.176 kristaps 196: { termp_bold_pre, NULL }, /* Ms */
1.192 schwarze 197: { termp_igndelim_pre, NULL }, /* No */
1.1 kristaps 198: { termp_ns_pre, NULL }, /* Ns */
1.26 kristaps 199: { termp_xx_pre, NULL }, /* Nx */
200: { termp_xx_pre, NULL }, /* Ox */
1.1 kristaps 201: { NULL, NULL }, /* Pc */
1.192 schwarze 202: { termp_igndelim_pre, termp_pf_post }, /* Pf */
1.188 kristaps 203: { termp_quote_pre, termp_quote_post }, /* Po */
204: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 205: { NULL, NULL }, /* Qc */
1.188 kristaps 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 */
1.188 kristaps 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 */
1.69 kristaps 215: { termp_under_pre, NULL }, /* Sx */
216: { termp_bold_pre, NULL }, /* Sy */
1.1 kristaps 217: { NULL, NULL }, /* Tn */
1.26 kristaps 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 */
1.188 kristaps 223: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 224: { NULL, NULL }, /* Oc */
1.159 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 */
1.37 kristaps 231: { NULL, termp_lb_post }, /* Lb */
1.76 kristaps 232: { termp_sp_pre, NULL }, /* Lp */
1.1 kristaps 233: { termp_lk_pre, NULL }, /* Lk */
1.69 kristaps 234: { termp_under_pre, NULL }, /* Mt */
1.188 kristaps 235: { termp_quote_pre, termp_quote_post }, /* Brq */
236: { termp_quote_pre, termp_quote_post }, /* Bro */
1.1 kristaps 237: { NULL, NULL }, /* Brc */
1.83 kristaps 238: { NULL, termp____post }, /* %C */
1.81 kristaps 239: { NULL, NULL }, /* Es */ /* TODO */
240: { NULL, NULL }, /* En */ /* TODO */
1.26 kristaps 241: { termp_xx_pre, NULL }, /* Dx */
1.83 kristaps 242: { NULL, termp____post }, /* %Q */
1.76 kristaps 243: { termp_sp_pre, NULL }, /* br */
1.45 kristaps 244: { termp_sp_pre, NULL }, /* sp */
1.243 schwarze 245: { NULL, termp____post }, /* %U */
1.135 kristaps 246: { NULL, NULL }, /* Ta */
1.1 kristaps 247: };
248:
249:
1.70 kristaps 250: void
1.89 kristaps 251: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1 kristaps 252: {
1.70 kristaps 253: const struct mdoc_node *n;
254: const struct mdoc_meta *m;
1.89 kristaps 255: struct termp *p;
256:
257: p = (struct termp *)arg;
1.111 kristaps 258:
1.238 schwarze 259: if (0 == p->defindent)
260: p->defindent = 5;
261:
1.111 kristaps 262: p->overstep = 0;
1.123 joerg 263: p->maxrmargin = p->defrmargin;
1.157 kristaps 264: p->tabwidth = term_len(p, 5);
1.89 kristaps 265:
266: if (NULL == p->symtab)
1.230 kristaps 267: p->symtab = mchars_alloc();
1.70 kristaps 268:
269: n = mdoc_node(mdoc);
270: m = mdoc_meta(mdoc);
1.146 schwarze 271:
272: term_begin(p, print_mdoc_head, print_mdoc_foot, m);
1.70 kristaps 273:
274: if (n->child)
1.102 kristaps 275: print_mdoc_nodelist(p, NULL, m, n->child);
1.144 kristaps 276:
277: term_end(p);
1.1 kristaps 278: }
279:
280:
1.3 kristaps 281: static void
1.102 kristaps 282: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 283: {
284:
1.102 kristaps 285: print_mdoc_node(p, pair, m, n);
1.86 kristaps 286: if (n->next)
1.102 kristaps 287: print_mdoc_nodelist(p, pair, m, n->next);
1.1 kristaps 288: }
289:
290:
1.70 kristaps 291: /* ARGSUSED */
1.3 kristaps 292: static void
1.102 kristaps 293: print_mdoc_node(DECL_ARGS)
1.1 kristaps 294: {
1.102 kristaps 295: int chld;
1.1 kristaps 296: struct termpair npair;
1.30 kristaps 297: size_t offset, rmargin;
1.1 kristaps 298:
1.70 kristaps 299: chld = 1;
1.29 kristaps 300: offset = p->offset;
1.30 kristaps 301: rmargin = p->rmargin;
1.244 ! schwarze 302: n->prev_font = term_fontq(p);
1.29 kristaps 303:
1.97 kristaps 304: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 305: npair.ppair = pair;
1.172 kristaps 306:
307: /*
308: * Keeps only work until the end of a line. If a keep was
309: * invoked in a prior line, revert it to PREKEEP.
1.197 schwarze 310: *
311: * Also let SYNPRETTY sections behave as if they were wrapped
312: * in a `Bk' block.
1.172 kristaps 313: */
314:
1.197 schwarze 315: if (TERMP_KEEP & p->flags || MDOC_SYNPRETTY & n->flags) {
1.172 kristaps 316: if (n->prev && n->prev->line != n->line) {
317: p->flags &= ~TERMP_KEEP;
318: p->flags |= TERMP_PREKEEP;
319: } else if (NULL == n->prev) {
320: if (n->parent && n->parent->line != n->line) {
321: p->flags &= ~TERMP_KEEP;
322: p->flags |= TERMP_PREKEEP;
323: }
324: }
325: }
1.197 schwarze 326:
327: /*
328: * Since SYNPRETTY sections aren't "turned off" with `Ek',
329: * we have to intuit whether we should disable formatting.
330: */
331:
332: if ( ! (MDOC_SYNPRETTY & n->flags) &&
333: ((n->prev && MDOC_SYNPRETTY & n->prev->flags) ||
334: (n->parent && MDOC_SYNPRETTY & n->parent->flags)))
335: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.102 kristaps 336:
1.217 schwarze 337: /*
338: * After the keep flags have been set up, we may now
339: * produce output. Note that some pre-handlers do so.
340: */
341:
342: switch (n->type) {
343: case (MDOC_TEXT):
344: if (' ' == *n->string && MDOC_LINE & n->flags)
345: term_newln(p);
1.222 kristaps 346: if (MDOC_DELIMC & n->flags)
347: p->flags |= TERMP_NOSPACE;
1.217 schwarze 348: term_word(p, n->string);
1.222 kristaps 349: if (MDOC_DELIMO & n->flags)
350: p->flags |= TERMP_NOSPACE;
1.217 schwarze 351: break;
352: case (MDOC_EQN):
1.233 kristaps 353: term_eqn(p, n->eqn);
1.217 schwarze 354: break;
355: case (MDOC_TBL):
356: term_tbl(p, n->span);
357: break;
358: default:
359: if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
360: chld = (*termacts[n->tok].pre)
361: (p, &npair, m, n);
362: break;
363: }
364:
1.86 kristaps 365: if (chld && n->child)
1.102 kristaps 366: print_mdoc_nodelist(p, &npair, m, n->child);
1.1 kristaps 367:
1.244 ! schwarze 368: term_fontpopq(p,
! 369: (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.46 kristaps 370:
1.206 kristaps 371: switch (n->type) {
372: case (MDOC_TEXT):
373: break;
374: case (MDOC_TBL):
1.216 kristaps 375: break;
376: case (MDOC_EQN):
1.206 kristaps 377: break;
378: default:
379: if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
380: break;
1.165 kristaps 381: (void)(*termacts[n->tok].post)(p, &npair, m, n);
1.162 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: */
1.165 kristaps 388: if (ENDBODY_NOT != n->end)
1.162 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;
1.206 kristaps 398: break;
1.162 schwarze 399: }
1.121 kristaps 400:
401: if (MDOC_EOS & n->flags)
402: p->flags |= TERMP_SENTENCE;
1.29 kristaps 403:
404: p->offset = offset;
1.30 kristaps 405: p->rmargin = rmargin;
1.1 kristaps 406: }
407:
408:
1.3 kristaps 409: static void
1.145 kristaps 410: print_mdoc_foot(struct termp *p, const void *arg)
1.1 kristaps 411: {
1.144 kristaps 412: const struct mdoc_meta *m;
413:
414: m = (const struct mdoc_meta *)arg;
1.1 kristaps 415:
1.102 kristaps 416: term_fontrepl(p, TERMFONT_NONE);
1.101 kristaps 417:
1.9 kristaps 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:
1.9 kristaps 428: p->offset = 0;
1.157 kristaps 429: p->rmargin = (p->maxrmargin -
1.220 schwarze 430: term_strlen(p, m->date) + term_len(p, 1)) / 2;
1.1 kristaps 431: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
432:
1.220 schwarze 433: term_word(p, m->os);
1.1 kristaps 434: term_flushln(p);
435:
1.9 kristaps 436: p->offset = p->rmargin;
1.220 schwarze 437: p->rmargin = p->maxrmargin - term_strlen(p, m->os);
1.234 schwarze 438: p->flags |= TERMP_NOSPACE;
1.9 kristaps 439:
1.220 schwarze 440: term_word(p, m->date);
1.9 kristaps 441: term_flushln(p);
442:
1.1 kristaps 443: p->offset = p->rmargin;
444: p->rmargin = p->maxrmargin;
445: p->flags &= ~TERMP_NOBREAK;
1.234 schwarze 446: p->flags |= TERMP_NOSPACE;
1.1 kristaps 447:
1.220 schwarze 448: term_word(p, m->os);
1.1 kristaps 449: term_flushln(p);
450:
1.9 kristaps 451: p->offset = 0;
452: p->rmargin = p->maxrmargin;
453: p->flags = 0;
1.1 kristaps 454: }
455:
456:
1.3 kristaps 457: static void
1.144 kristaps 458: print_mdoc_head(struct termp *p, const void *arg)
1.1 kristaps 459: {
1.98 kristaps 460: char buf[BUFSIZ], title[BUFSIZ];
1.235 schwarze 461: size_t buflen, titlen;
1.144 kristaps 462: const struct mdoc_meta *m;
463:
464: m = (const struct mdoc_meta *)arg;
1.1 kristaps 465:
466: /*
467: * The header is strange. It has three components, which are
468: * really two with the first duplicated. It goes like this:
469: *
470: * IDENTIFIER TITLE IDENTIFIER
471: *
472: * The IDENTIFIER is NAME(SECTION), which is the command-name
473: * (if given, or "unknown" if not) followed by the manual page
474: * section. These are given in `Dt'. The TITLE is a free-form
475: * string depending on the manual volume. If not specified, it
476: * switches on the manual section.
477: */
478:
1.235 schwarze 479: p->offset = 0;
480: p->rmargin = p->maxrmargin;
481:
1.86 kristaps 482: assert(m->vol);
1.98 kristaps 483: strlcpy(buf, m->vol, BUFSIZ);
1.235 schwarze 484: buflen = term_strlen(p, buf);
1.1 kristaps 485:
1.86 kristaps 486: if (m->arch) {
1.98 kristaps 487: strlcat(buf, " (", BUFSIZ);
488: strlcat(buf, m->arch, BUFSIZ);
489: strlcat(buf, ")", BUFSIZ);
1.1 kristaps 490: }
491:
1.124 kristaps 492: snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
1.235 schwarze 493: titlen = term_strlen(p, title);
1.1 kristaps 494:
1.235 schwarze 495: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.1 kristaps 496: p->offset = 0;
1.235 schwarze 497: p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
498: (p->maxrmargin -
499: term_strlen(p, buf) + term_len(p, 1)) / 2 :
500: p->maxrmargin - buflen;
1.1 kristaps 501:
502: term_word(p, title);
503: term_flushln(p);
504:
1.235 schwarze 505: p->flags |= TERMP_NOSPACE;
1.1 kristaps 506: p->offset = p->rmargin;
1.235 schwarze 507: p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
508: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 509:
510: term_word(p, buf);
511: term_flushln(p);
512:
513: p->flags &= ~TERMP_NOBREAK;
1.235 schwarze 514: if (p->rmargin + titlen <= p->maxrmargin) {
515: p->flags |= TERMP_NOSPACE;
516: p->offset = p->rmargin;
517: p->rmargin = p->maxrmargin;
518: term_word(p, title);
519: term_flushln(p);
520: }
1.1 kristaps 521:
1.235 schwarze 522: p->flags &= ~TERMP_NOSPACE;
1.9 kristaps 523: p->offset = 0;
1.1 kristaps 524: p->rmargin = p->maxrmargin;
525: }
526:
527:
528: static size_t
1.157 kristaps 529: a2height(const struct termp *p, const char *v)
1.1 kristaps 530: {
1.92 kristaps 531: struct roffsu su;
1.91 kristaps 532:
1.231 kristaps 533:
1.157 kristaps 534: assert(v);
535: if ( ! a2roffsu(v, &su, SCALE_VS))
1.231 kristaps 536: SCALE_VS_INIT(&su, atoi(v));
1.91 kristaps 537:
1.157 kristaps 538: return(term_vspan(p, &su));
1.91 kristaps 539: }
1.1 kristaps 540:
1.40 kristaps 541:
1.91 kristaps 542: static size_t
1.157 kristaps 543: a2width(const struct termp *p, const char *v)
1.91 kristaps 544: {
1.92 kristaps 545: struct roffsu su;
1.1 kristaps 546:
1.154 kristaps 547: assert(v);
548: if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157 kristaps 549: SCALE_HS_INIT(&su, term_strlen(p, v));
1.1 kristaps 550:
1.157 kristaps 551: return(term_hspan(p, &su));
1.1 kristaps 552: }
553:
554:
555: static size_t
1.157 kristaps 556: a2offs(const struct termp *p, const char *v)
1.1 kristaps 557: {
1.92 kristaps 558: struct roffsu su;
1.1 kristaps 559:
1.148 kristaps 560: if ('\0' == *v)
1.91 kristaps 561: return(0);
1.148 kristaps 562: else if (0 == strcmp(v, "left"))
1.19 kristaps 563: return(0);
1.148 kristaps 564: else if (0 == strcmp(v, "indent"))
1.238 schwarze 565: return(term_len(p, p->defindent + 1));
1.148 kristaps 566: else if (0 == strcmp(v, "indent-two"))
1.238 schwarze 567: return(term_len(p, (p->defindent + 1) * 2));
1.148 kristaps 568: else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157 kristaps 569: SCALE_HS_INIT(&su, term_strlen(p, v));
1.10 kristaps 570:
1.157 kristaps 571: return(term_hspan(p, &su));
1.1 kristaps 572: }
573:
574:
1.108 kristaps 575: /*
576: * Determine how much space to print out before block elements of `It'
577: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
578: * too.
579: */
1.54 kristaps 580: static void
1.151 kristaps 581: print_bvspace(struct termp *p,
582: const struct mdoc_node *bl,
583: const struct mdoc_node *n)
1.1 kristaps 584: {
1.86 kristaps 585: const struct mdoc_node *nn;
1.236 schwarze 586:
587: assert(n);
1.1 kristaps 588:
589: term_newln(p);
1.150 kristaps 590:
1.202 kristaps 591: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150 kristaps 592: return;
1.202 kristaps 593: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54 kristaps 594: return;
595:
1.85 kristaps 596: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 597:
1.86 kristaps 598: for (nn = n; nn; nn = nn->parent) {
599: if (MDOC_BLOCK != nn->type)
1.1 kristaps 600: continue;
1.86 kristaps 601: if (MDOC_Ss == nn->tok)
1.54 kristaps 602: return;
1.86 kristaps 603: if (MDOC_Sh == nn->tok)
1.54 kristaps 604: return;
1.86 kristaps 605: if (NULL == nn->prev)
1.1 kristaps 606: continue;
607: break;
608: }
609:
1.85 kristaps 610: /* A `-column' does not assert vspace within the list. */
1.54 kristaps 611:
1.202 kristaps 612: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86 kristaps 613: if (n->prev && MDOC_It == n->prev->tok)
1.54 kristaps 614: return;
615:
1.85 kristaps 616: /* A `-diag' without body does not vspace. */
617:
1.202 kristaps 618: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86 kristaps 619: if (n->prev && MDOC_It == n->prev->tok) {
620: assert(n->prev->body);
621: if (NULL == n->prev->body->child)
1.55 kristaps 622: return;
623: }
624:
1.54 kristaps 625: term_vspace(p);
1.1 kristaps 626: }
627:
628:
629: /* ARGSUSED */
630: static int
631: termp_it_pre(DECL_ARGS)
632: {
1.86 kristaps 633: const struct mdoc_node *bl, *nn;
1.1 kristaps 634: char buf[7];
1.170 kristaps 635: int i;
1.108 kristaps 636: size_t width, offset, ncols, dcol;
1.126 kristaps 637: enum mdoc_list type;
1.1 kristaps 638:
1.86 kristaps 639: if (MDOC_BLOCK == n->type) {
1.151 kristaps 640: print_bvspace(p, n->parent->parent, n);
1.54 kristaps 641: return(1);
642: }
1.1 kristaps 643:
1.86 kristaps 644: bl = n->parent->parent->parent;
1.202 kristaps 645: type = bl->norm->Bl.type;
1.1 kristaps 646:
1.108 kristaps 647: /*
648: * First calculate width and offset. This is pretty easy unless
649: * we're a -column list, in which case all prior columns must
650: * be accounted for.
651: */
652:
653: width = offset = 0;
654:
1.202 kristaps 655: if (bl->norm->Bl.offs)
656: offset = a2offs(p, bl->norm->Bl.offs);
1.152 kristaps 657:
1.1 kristaps 658: switch (type) {
1.126 kristaps 659: case (LIST_column):
1.134 kristaps 660: if (MDOC_HEAD == n->type)
1.1 kristaps 661: break;
1.155 kristaps 662:
1.105 kristaps 663: /*
1.108 kristaps 664: * Imitate groff's column handling:
665: * - For each earlier column, add its width.
666: * - For less than 5 columns, add four more blanks per
667: * column.
668: * - For exactly 5 columns, add three more blank per
669: * column.
670: * - For more than 5 columns, add only one column.
1.105 kristaps 671: */
1.202 kristaps 672: ncols = bl->norm->Bl.ncols;
1.170 kristaps 673:
1.108 kristaps 674: /* LINTED */
1.157 kristaps 675: dcol = ncols < 5 ? term_len(p, 4) :
676: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108 kristaps 677:
1.134 kristaps 678: /*
679: * Calculate the offset by applying all prior MDOC_BODY,
680: * so we stop at the MDOC_HEAD (NULL == nn->prev).
681: */
682:
1.108 kristaps 683: for (i = 0, nn = n->prev;
1.134 kristaps 684: nn->prev && i < (int)ncols;
1.108 kristaps 685: nn = nn->prev, i++)
686: offset += dcol + a2width
1.202 kristaps 687: (p, bl->norm->Bl.cols[i]);
1.105 kristaps 688:
689: /*
1.108 kristaps 690: * When exceeding the declared number of columns, leave
691: * the remaining widths at 0. This will later be
692: * adjusted to the default width of 10, or, for the last
693: * column, stretched to the right margin.
1.58 kristaps 694: */
1.108 kristaps 695: if (i >= (int)ncols)
696: break;
1.58 kristaps 697:
1.105 kristaps 698: /*
1.108 kristaps 699: * Use the declared column widths, extended as explained
700: * in the preceding paragraph.
1.105 kristaps 701: */
1.202 kristaps 702: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 703: break;
704: default:
1.202 kristaps 705: if (NULL == bl->norm->Bl.width)
1.108 kristaps 706: break;
707:
708: /*
709: * Note: buffer the width by 2, which is groff's magic
710: * number for buffering single arguments. See the above
711: * handling for column for how this changes.
712: */
1.202 kristaps 713: assert(bl->norm->Bl.width);
714: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1 kristaps 715: break;
716: }
717:
718: /*
719: * List-type can override the width in the case of fixed-head
720: * values (bullet, dash/hyphen, enum). Tags need a non-zero
1.67 kristaps 721: * offset.
1.1 kristaps 722: */
723:
724: switch (type) {
1.126 kristaps 725: case (LIST_bullet):
1.1 kristaps 726: /* FALLTHROUGH */
1.126 kristaps 727: case (LIST_dash):
1.1 kristaps 728: /* FALLTHROUGH */
1.126 kristaps 729: case (LIST_hyphen):
1.242 schwarze 730: /* FALLTHROUGH */
1.126 kristaps 731: case (LIST_enum):
1.242 schwarze 732: if (width < term_len(p, 2))
733: width = term_len(p, 2);
1.17 kristaps 734: break;
1.126 kristaps 735: case (LIST_hang):
1.39 kristaps 736: if (0 == width)
1.157 kristaps 737: width = term_len(p, 8);
1.39 kristaps 738: break;
1.126 kristaps 739: case (LIST_column):
1.49 kristaps 740: /* FALLTHROUGH */
1.126 kristaps 741: case (LIST_tag):
1.1 kristaps 742: if (0 == width)
1.157 kristaps 743: width = term_len(p, 10);
1.1 kristaps 744: break;
745: default:
746: break;
747: }
748:
749: /*
1.17 kristaps 750: * Whitespace control. Inset bodies need an initial space,
751: * while diagonal bodies need two.
1.1 kristaps 752: */
753:
1.51 kristaps 754: p->flags |= TERMP_NOSPACE;
755:
1.1 kristaps 756: switch (type) {
1.126 kristaps 757: case (LIST_diag):
1.86 kristaps 758: if (MDOC_BODY == n->type)
1.62 kristaps 759: term_word(p, "\\ \\ ");
1.51 kristaps 760: break;
1.126 kristaps 761: case (LIST_inset):
1.86 kristaps 762: if (MDOC_BODY == n->type)
1.51 kristaps 763: term_word(p, "\\ ");
1.1 kristaps 764: break;
765: default:
766: break;
767: }
768:
1.51 kristaps 769: p->flags |= TERMP_NOSPACE;
770:
1.1 kristaps 771: switch (type) {
1.126 kristaps 772: case (LIST_diag):
1.86 kristaps 773: if (MDOC_HEAD == n->type)
1.102 kristaps 774: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 775: break;
776: default:
777: break;
778: }
779:
780: /*
1.109 kristaps 781: * Pad and break control. This is the tricky part. These flags
782: * are documented in term_flushln() in term.c. Note that we're
783: * going to unset all of these flags in termp_it_post() when we
784: * exit.
1.1 kristaps 785: */
786:
787: switch (type) {
1.242 schwarze 788: case (LIST_enum):
789: /*
790: * Weird special case.
791: * Very narrow enum lists actually hang.
792: */
793: if (width == term_len(p, 2))
794: p->flags |= TERMP_HANG;
795: /* FALLTHROUGH */
1.126 kristaps 796: case (LIST_bullet):
1.1 kristaps 797: /* FALLTHROUGH */
1.126 kristaps 798: case (LIST_dash):
1.1 kristaps 799: /* FALLTHROUGH */
1.126 kristaps 800: case (LIST_hyphen):
1.86 kristaps 801: if (MDOC_HEAD == n->type)
1.39 kristaps 802: p->flags |= TERMP_NOBREAK;
803: break;
1.126 kristaps 804: case (LIST_hang):
1.86 kristaps 805: if (MDOC_HEAD == n->type)
1.39 kristaps 806: p->flags |= TERMP_NOBREAK;
807: else
1.59 kristaps 808: break;
809:
810: /*
811: * This is ugly. If `-hang' is specified and the body
812: * is a `Bl' or `Bd', then we want basically to nullify
813: * the "overstep" effect in term_flushln() and treat
814: * this as a `-ohang' list instead.
815: */
1.86 kristaps 816: if (n->next->child &&
817: (MDOC_Bl == n->next->child->tok ||
1.234 schwarze 818: MDOC_Bd == n->next->child->tok))
1.59 kristaps 819: p->flags &= ~TERMP_NOBREAK;
1.234 schwarze 820: else
1.39 kristaps 821: p->flags |= TERMP_HANG;
822: break;
1.126 kristaps 823: case (LIST_tag):
1.86 kristaps 824: if (MDOC_HEAD == n->type)
1.51 kristaps 825: p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.38 kristaps 826:
1.86 kristaps 827: if (MDOC_HEAD != n->type)
1.39 kristaps 828: break;
1.86 kristaps 829: if (NULL == n->next || NULL == n->next->child)
1.39 kristaps 830: p->flags |= TERMP_DANGLE;
1.1 kristaps 831: break;
1.126 kristaps 832: case (LIST_column):
1.134 kristaps 833: if (MDOC_HEAD == n->type)
834: break;
835:
836: if (NULL == n->next)
837: p->flags &= ~TERMP_NOBREAK;
838: else
839: p->flags |= TERMP_NOBREAK;
840:
1.1 kristaps 841: break;
1.126 kristaps 842: case (LIST_diag):
1.86 kristaps 843: if (MDOC_HEAD == n->type)
1.1 kristaps 844: p->flags |= TERMP_NOBREAK;
845: break;
846: default:
847: break;
848: }
849:
850: /*
851: * Margin control. Set-head-width lists have their right
852: * margins shortened. The body for these lists has the offset
853: * necessarily lengthened. Everybody gets the offset.
854: */
855:
856: p->offset += offset;
857:
858: switch (type) {
1.126 kristaps 859: case (LIST_hang):
1.59 kristaps 860: /*
861: * Same stipulation as above, regarding `-hang'. We
862: * don't want to recalculate rmargin and offsets when
863: * using `Bd' or `Bl' within `-hang' overstep lists.
864: */
1.86 kristaps 865: if (MDOC_HEAD == n->type && n->next->child &&
866: (MDOC_Bl == n->next->child->tok ||
867: MDOC_Bd == n->next->child->tok))
1.59 kristaps 868: break;
869: /* FALLTHROUGH */
1.126 kristaps 870: case (LIST_bullet):
1.1 kristaps 871: /* FALLTHROUGH */
1.126 kristaps 872: case (LIST_dash):
1.1 kristaps 873: /* FALLTHROUGH */
1.126 kristaps 874: case (LIST_enum):
1.1 kristaps 875: /* FALLTHROUGH */
1.126 kristaps 876: case (LIST_hyphen):
1.1 kristaps 877: /* FALLTHROUGH */
1.126 kristaps 878: case (LIST_tag):
1.49 kristaps 879: assert(width);
1.86 kristaps 880: if (MDOC_HEAD == n->type)
1.1 kristaps 881: p->rmargin = p->offset + width;
882: else
883: p->offset += width;
884: break;
1.126 kristaps 885: case (LIST_column):
1.49 kristaps 886: assert(width);
1.1 kristaps 887: p->rmargin = p->offset + width;
1.50 kristaps 888: /*
889: * XXX - this behaviour is not documented: the
890: * right-most column is filled to the right margin.
891: */
1.134 kristaps 892: if (MDOC_HEAD == n->type)
893: break;
894: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50 kristaps 895: p->rmargin = p->maxrmargin;
1.1 kristaps 896: break;
897: default:
898: break;
899: }
900:
901: /*
902: * The dash, hyphen, bullet and enum lists all have a special
1.15 kristaps 903: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 904: */
905:
1.86 kristaps 906: if (MDOC_HEAD == n->type)
1.1 kristaps 907: switch (type) {
1.126 kristaps 908: case (LIST_bullet):
1.102 kristaps 909: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 910: term_word(p, "\\[bu]");
1.102 kristaps 911: term_fontpop(p);
1.1 kristaps 912: break;
1.126 kristaps 913: case (LIST_dash):
1.1 kristaps 914: /* FALLTHROUGH */
1.126 kristaps 915: case (LIST_hyphen):
1.102 kristaps 916: term_fontpush(p, TERMFONT_BOLD);
1.27 kristaps 917: term_word(p, "\\(hy");
1.102 kristaps 918: term_fontpop(p);
1.1 kristaps 919: break;
1.126 kristaps 920: case (LIST_enum):
1.1 kristaps 921: (pair->ppair->ppair->count)++;
1.109 kristaps 922: snprintf(buf, sizeof(buf), "%d.",
1.1 kristaps 923: pair->ppair->ppair->count);
924: term_word(p, buf);
925: break;
926: default:
927: break;
928: }
929:
930: /*
931: * If we're not going to process our children, indicate so here.
932: */
933:
934: switch (type) {
1.126 kristaps 935: case (LIST_bullet):
1.1 kristaps 936: /* FALLTHROUGH */
1.126 kristaps 937: case (LIST_item):
1.1 kristaps 938: /* FALLTHROUGH */
1.126 kristaps 939: case (LIST_dash):
1.1 kristaps 940: /* FALLTHROUGH */
1.126 kristaps 941: case (LIST_hyphen):
1.1 kristaps 942: /* FALLTHROUGH */
1.126 kristaps 943: case (LIST_enum):
1.86 kristaps 944: if (MDOC_HEAD == n->type)
1.1 kristaps 945: return(0);
946: break;
1.126 kristaps 947: case (LIST_column):
1.134 kristaps 948: if (MDOC_HEAD == n->type)
1.1 kristaps 949: return(0);
950: break;
951: default:
952: break;
953: }
954:
955: return(1);
956: }
957:
958:
959: /* ARGSUSED */
960: static void
961: termp_it_post(DECL_ARGS)
962: {
1.126 kristaps 963: enum mdoc_list type;
1.1 kristaps 964:
1.109 kristaps 965: if (MDOC_BLOCK == n->type)
1.1 kristaps 966: return;
967:
1.202 kristaps 968: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 969:
970: switch (type) {
1.126 kristaps 971: case (LIST_item):
1.1 kristaps 972: /* FALLTHROUGH */
1.126 kristaps 973: case (LIST_diag):
1.53 kristaps 974: /* FALLTHROUGH */
1.126 kristaps 975: case (LIST_inset):
1.86 kristaps 976: if (MDOC_BODY == n->type)
1.130 schwarze 977: term_newln(p);
1.1 kristaps 978: break;
1.126 kristaps 979: case (LIST_column):
1.134 kristaps 980: if (MDOC_BODY == n->type)
1.1 kristaps 981: term_flushln(p);
982: break;
983: default:
1.130 schwarze 984: term_newln(p);
1.1 kristaps 985: break;
986: }
987:
1.109 kristaps 988: /*
989: * Now that our output is flushed, we can reset our tags. Since
990: * only `It' sets these flags, we're free to assume that nobody
991: * has munged them in the meanwhile.
992: */
993:
994: p->flags &= ~TERMP_DANGLE;
995: p->flags &= ~TERMP_NOBREAK;
996: p->flags &= ~TERMP_TWOSPACE;
997: p->flags &= ~TERMP_HANG;
1.1 kristaps 998: }
999:
1000:
1001: /* ARGSUSED */
1002: static int
1003: termp_nm_pre(DECL_ARGS)
1004: {
1005:
1.164 schwarze 1006: if (MDOC_BLOCK == n->type)
1007: return(1);
1008:
1009: if (MDOC_BODY == n->type) {
1010: if (NULL == n->child)
1011: return(0);
1.234 schwarze 1012: p->flags |= TERMP_NOSPACE;
1.164 schwarze 1013: p->offset += term_len(p, 1) +
1014: (NULL == n->prev->child ? term_strlen(p, m->name) :
1015: MDOC_TEXT == n->prev->child->type ?
1016: term_strlen(p, n->prev->child->string) :
1017: term_len(p, 5));
1018: return(1);
1019: }
1020:
1.125 kristaps 1021: if (NULL == n->child && NULL == m->name)
1.164 schwarze 1022: return(0);
1.125 kristaps 1023:
1.177 schwarze 1024: if (MDOC_HEAD == n->type)
1025: synopsis_pre(p, n->parent);
1.102 kristaps 1026:
1.164 schwarze 1027: if (MDOC_HEAD == n->type && n->next->child) {
1.185 schwarze 1028: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1029: p->rmargin = p->offset + term_len(p, 1);
1030: if (NULL == n->child) {
1031: p->rmargin += term_strlen(p, m->name);
1032: } else if (MDOC_TEXT == n->child->type) {
1033: p->rmargin += term_strlen(p, n->child->string);
1034: if (n->child->next)
1035: p->flags |= TERMP_HANG;
1036: } else {
1037: p->rmargin += term_len(p, 5);
1038: p->flags |= TERMP_HANG;
1039: }
1.164 schwarze 1040: }
1041:
1.102 kristaps 1042: term_fontpush(p, TERMFONT_BOLD);
1.86 kristaps 1043: if (NULL == n->child)
1044: term_word(p, m->name);
1.1 kristaps 1045: return(1);
1046: }
1047:
1048:
1.164 schwarze 1049: /* ARGSUSED */
1050: static void
1051: termp_nm_post(DECL_ARGS)
1052: {
1053:
1054: if (MDOC_HEAD == n->type && n->next->child) {
1055: term_flushln(p);
1056: p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
1.234 schwarze 1057: } else if (MDOC_BODY == n->type && n->child)
1.164 schwarze 1058: term_flushln(p);
1059: }
1060:
1061:
1.1 kristaps 1062: /* ARGSUSED */
1063: static int
1064: termp_fl_pre(DECL_ARGS)
1065: {
1066:
1.102 kristaps 1067: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1068: term_word(p, "\\-");
1.103 kristaps 1069:
1070: if (n->child)
1.114 kristaps 1071: p->flags |= TERMP_NOSPACE;
1072: else if (n->next && n->next->line == n->line)
1.103 kristaps 1073: p->flags |= TERMP_NOSPACE;
1074:
1.1 kristaps 1075: return(1);
1076: }
1077:
1078:
1079: /* ARGSUSED */
1080: static int
1.184 kristaps 1081: termp__a_pre(DECL_ARGS)
1082: {
1083:
1084: if (n->prev && MDOC__A == n->prev->tok)
1085: if (NULL == n->next || MDOC__A != n->next->tok)
1086: term_word(p, "and");
1087:
1088: return(1);
1089: }
1090:
1091:
1092: /* ARGSUSED */
1093: static int
1.61 kristaps 1094: termp_an_pre(DECL_ARGS)
1095: {
1096:
1.86 kristaps 1097: if (NULL == n->child)
1.61 kristaps 1098: return(1);
1099:
1100: /*
1.85 kristaps 1101: * If not in the AUTHORS section, `An -split' will cause
1102: * newlines to occur before the author name. If in the AUTHORS
1103: * section, by default, the first `An' invocation is nosplit,
1104: * then all subsequent ones, regardless of whether interspersed
1105: * with other macros/text, are split. -split, in this case,
1106: * will override the condition of the implied first -nosplit.
1.61 kristaps 1107: */
1108:
1.86 kristaps 1109: if (n->sec == SEC_AUTHORS) {
1.61 kristaps 1110: if ( ! (TERMP_ANPREC & p->flags)) {
1111: if (TERMP_SPLIT & p->flags)
1112: term_newln(p);
1113: return(1);
1114: }
1115: if (TERMP_NOSPLIT & p->flags)
1116: return(1);
1117: term_newln(p);
1118: return(1);
1119: }
1120:
1121: if (TERMP_SPLIT & p->flags)
1122: term_newln(p);
1123:
1124: return(1);
1125: }
1126:
1127:
1128: /* ARGSUSED */
1129: static void
1130: termp_an_post(DECL_ARGS)
1131: {
1132:
1.86 kristaps 1133: if (n->child) {
1134: if (SEC_AUTHORS == n->sec)
1.61 kristaps 1135: p->flags |= TERMP_ANPREC;
1136: return;
1137: }
1138:
1.202 kristaps 1139: if (AUTH_split == n->norm->An.auth) {
1.61 kristaps 1140: p->flags &= ~TERMP_NOSPLIT;
1141: p->flags |= TERMP_SPLIT;
1.202 kristaps 1142: } else if (AUTH_nosplit == n->norm->An.auth) {
1.61 kristaps 1143: p->flags &= ~TERMP_SPLIT;
1144: p->flags |= TERMP_NOSPLIT;
1145: }
1146:
1147: }
1148:
1149:
1150: /* ARGSUSED */
1151: static int
1.1 kristaps 1152: termp_ns_pre(DECL_ARGS)
1153: {
1154:
1.215 kristaps 1155: if ( ! (MDOC_LINE & n->flags))
1156: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1157: return(1);
1158: }
1159:
1160:
1161: /* ARGSUSED */
1162: static int
1163: termp_rs_pre(DECL_ARGS)
1164: {
1165:
1.86 kristaps 1166: if (SEC_SEE_ALSO != n->sec)
1.80 kristaps 1167: return(1);
1.86 kristaps 1168: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1169: term_vspace(p);
1170: return(1);
1171: }
1172:
1173:
1174: /* ARGSUSED */
1175: static int
1176: termp_rv_pre(DECL_ARGS)
1177: {
1.223 kristaps 1178: int nchild;
1.1 kristaps 1179:
1180: term_newln(p);
1181: term_word(p, "The");
1182:
1.223 kristaps 1183: nchild = n->nchild;
1184: for (n = n->child; n; n = n->next) {
1.102 kristaps 1185: term_fontpush(p, TERMFONT_BOLD);
1.223 kristaps 1186: term_word(p, n->string);
1.102 kristaps 1187: term_fontpop(p);
1.224 kristaps 1188:
1.68 kristaps 1189: p->flags |= TERMP_NOSPACE;
1.223 kristaps 1190: term_word(p, "()");
1191:
1192: if (nchild > 2 && n->next) {
1193: p->flags |= TERMP_NOSPACE;
1194: term_word(p, ",");
1195: }
1196:
1197: if (n->next && NULL == n->next->next)
1198: term_word(p, "and");
1.68 kristaps 1199: }
1200:
1.223 kristaps 1201: if (nchild > 1)
1.68 kristaps 1202: term_word(p, "functions return");
1203: else
1204: term_word(p, "function returns");
1.1 kristaps 1205:
1.68 kristaps 1206: term_word(p, "the value 0 if successful; otherwise the value "
1207: "-1 is returned and the global variable");
1.1 kristaps 1208:
1.102 kristaps 1209: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1210: term_word(p, "errno");
1.102 kristaps 1211: term_fontpop(p);
1.1 kristaps 1212:
1213: term_word(p, "is set to indicate the error.");
1.131 kristaps 1214: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1215:
1.68 kristaps 1216: return(0);
1.1 kristaps 1217: }
1218:
1219:
1220: /* ARGSUSED */
1221: static int
1222: termp_ex_pre(DECL_ARGS)
1223: {
1.224 kristaps 1224: int nchild;
1.1 kristaps 1225:
1.224 kristaps 1226: term_newln(p);
1.68 kristaps 1227: term_word(p, "The");
1.1 kristaps 1228:
1.224 kristaps 1229: nchild = n->nchild;
1230: for (n = n->child; n; n = n->next) {
1.102 kristaps 1231: term_fontpush(p, TERMFONT_BOLD);
1.224 kristaps 1232: term_word(p, n->string);
1.102 kristaps 1233: term_fontpop(p);
1.224 kristaps 1234:
1235: if (nchild > 2 && n->next) {
1236: p->flags |= TERMP_NOSPACE;
1.68 kristaps 1237: term_word(p, ",");
1.224 kristaps 1238: }
1239:
1240: if (n->next && NULL == n->next->next)
1241: term_word(p, "and");
1.68 kristaps 1242: }
1243:
1.224 kristaps 1244: if (nchild > 1)
1.68 kristaps 1245: term_word(p, "utilities exit");
1246: else
1247: term_word(p, "utility exits");
1248:
1249: term_word(p, "0 on success, and >0 if an error occurs.");
1.224 kristaps 1250:
1.131 kristaps 1251: p->flags |= TERMP_SENTENCE;
1.68 kristaps 1252: return(0);
1.1 kristaps 1253: }
1254:
1255:
1256: /* ARGSUSED */
1257: static int
1258: termp_nd_pre(DECL_ARGS)
1259: {
1.25 kristaps 1260:
1.86 kristaps 1261: if (MDOC_BODY != n->type)
1.25 kristaps 1262: return(1);
1.30 kristaps 1263:
1.27 kristaps 1264: #if defined(__OpenBSD__) || defined(__linux__)
1.41 kristaps 1265: term_word(p, "\\(en");
1.23 kristaps 1266: #else
1267: term_word(p, "\\(em");
1268: #endif
1.1 kristaps 1269: return(1);
1.115 kristaps 1270: }
1271:
1272:
1273: /* ARGSUSED */
1274: static int
1275: termp_bl_pre(DECL_ARGS)
1276: {
1277:
1278: return(MDOC_HEAD != n->type);
1.1 kristaps 1279: }
1280:
1281:
1282: /* ARGSUSED */
1283: static void
1284: termp_bl_post(DECL_ARGS)
1285: {
1286:
1.86 kristaps 1287: if (MDOC_BLOCK == n->type)
1.1 kristaps 1288: term_newln(p);
1289: }
1290:
1291: /* ARGSUSED */
1292: static int
1293: termp_xr_pre(DECL_ARGS)
1294: {
1295:
1.225 kristaps 1296: if (NULL == (n = n->child))
1.113 kristaps 1297: return(0);
1298:
1.225 kristaps 1299: assert(MDOC_TEXT == n->type);
1300: term_word(p, n->string);
1.11 kristaps 1301:
1.225 kristaps 1302: if (NULL == (n = n->next))
1.1 kristaps 1303: return(0);
1.225 kristaps 1304:
1.1 kristaps 1305: p->flags |= TERMP_NOSPACE;
1306: term_word(p, "(");
1.222 kristaps 1307: p->flags |= TERMP_NOSPACE;
1.225 kristaps 1308:
1309: assert(MDOC_TEXT == n->type);
1310: term_word(p, n->string);
1311:
1.222 kristaps 1312: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1313: term_word(p, ")");
1.86 kristaps 1314:
1.1 kristaps 1315: return(0);
1316: }
1317:
1.143 kristaps 1318: /*
1319: * This decides how to assert whitespace before any of the SYNOPSIS set
1320: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1321: * macro combos).
1322: */
1323: static void
1324: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1325: {
1326: /*
1327: * Obviously, if we're not in a SYNOPSIS or no prior macros
1328: * exist, do nothing.
1329: */
1.160 kristaps 1330: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143 kristaps 1331: return;
1332:
1333: /*
1334: * If we're the second in a pair of like elements, emit our
1335: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1336: * case we soldier on.
1337: */
1338: if (n->prev->tok == n->tok &&
1339: MDOC_Ft != n->tok &&
1340: MDOC_Fo != n->tok &&
1341: MDOC_Fn != n->tok) {
1342: term_newln(p);
1343: return;
1344: }
1345:
1346: /*
1347: * If we're one of the SYNOPSIS set and non-like pair-wise after
1348: * another (or Fn/Fo, which we've let slip through) then assert
1349: * vertical space, else only newline and move on.
1350: */
1351: switch (n->prev->tok) {
1352: case (MDOC_Fd):
1353: /* FALLTHROUGH */
1354: case (MDOC_Fn):
1355: /* FALLTHROUGH */
1356: case (MDOC_Fo):
1357: /* FALLTHROUGH */
1358: case (MDOC_In):
1359: /* FALLTHROUGH */
1360: case (MDOC_Vt):
1361: term_vspace(p);
1362: break;
1363: case (MDOC_Ft):
1364: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1365: term_vspace(p);
1366: break;
1367: }
1368: /* FALLTHROUGH */
1369: default:
1370: term_newln(p);
1371: break;
1372: }
1373: }
1374:
1375:
1.110 kristaps 1376: static int
1377: termp_vt_pre(DECL_ARGS)
1378: {
1379:
1.143 kristaps 1380: if (MDOC_ELEM == n->type) {
1381: synopsis_pre(p, n);
1.110 kristaps 1382: return(termp_under_pre(p, pair, m, n));
1.143 kristaps 1383: } else if (MDOC_BLOCK == n->type) {
1384: synopsis_pre(p, n);
1385: return(1);
1386: } else if (MDOC_HEAD == n->type)
1.110 kristaps 1387: return(0);
1388:
1389: return(termp_under_pre(p, pair, m, n));
1390: }
1391:
1392:
1.1 kristaps 1393: /* ARGSUSED */
1394: static int
1.69 kristaps 1395: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1396: {
1397:
1.102 kristaps 1398: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1399: return(1);
1400: }
1401:
1402:
1403: /* ARGSUSED */
1.143 kristaps 1404: static int
1405: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1406: {
1407:
1.143 kristaps 1408: synopsis_pre(p, n);
1409: return(termp_bold_pre(p, pair, m, n));
1.1 kristaps 1410: }
1411:
1412:
1413: /* ARGSUSED */
1.241 schwarze 1414: static void
1415: termp_fd_post(DECL_ARGS)
1416: {
1417:
1418: term_newln(p);
1419: }
1420:
1421:
1422: /* ARGSUSED */
1.1 kristaps 1423: static int
1424: termp_sh_pre(DECL_ARGS)
1425: {
1.85 kristaps 1426:
1427: /* No vspace between consecutive `Sh' calls. */
1428:
1.86 kristaps 1429: switch (n->type) {
1.65 kristaps 1430: case (MDOC_BLOCK):
1.86 kristaps 1431: if (n->prev && MDOC_Sh == n->prev->tok)
1432: if (NULL == n->prev->body->child)
1.65 kristaps 1433: break;
1434: term_vspace(p);
1435: break;
1.1 kristaps 1436: case (MDOC_HEAD):
1.102 kristaps 1437: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1438: break;
1439: case (MDOC_BODY):
1.238 schwarze 1440: p->offset = term_len(p, p->defindent);
1.239 schwarze 1441: if (SEC_AUTHORS == n->sec)
1442: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1443: break;
1444: default:
1445: break;
1446: }
1447: return(1);
1448: }
1449:
1450:
1451: /* ARGSUSED */
1452: static void
1453: termp_sh_post(DECL_ARGS)
1454: {
1455:
1.86 kristaps 1456: switch (n->type) {
1.1 kristaps 1457: case (MDOC_HEAD):
1458: term_newln(p);
1459: break;
1460: case (MDOC_BODY):
1461: term_newln(p);
1462: p->offset = 0;
1463: break;
1464: default:
1465: break;
1466: }
1467: }
1468:
1469:
1470: /* ARGSUSED */
1471: static int
1472: termp_bt_pre(DECL_ARGS)
1473: {
1474:
1475: term_word(p, "is currently in beta test.");
1.131 kristaps 1476: p->flags |= TERMP_SENTENCE;
1.81 kristaps 1477: return(0);
1.1 kristaps 1478: }
1479:
1480:
1481: /* ARGSUSED */
1482: static void
1483: termp_lb_post(DECL_ARGS)
1484: {
1485:
1.122 kristaps 1486: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81 kristaps 1487: term_newln(p);
1.1 kristaps 1488: }
1489:
1490:
1491: /* ARGSUSED */
1492: static int
1493: termp_ud_pre(DECL_ARGS)
1494: {
1495:
1496: term_word(p, "currently under development.");
1.131 kristaps 1497: p->flags |= TERMP_SENTENCE;
1.86 kristaps 1498: return(0);
1.1 kristaps 1499: }
1500:
1501:
1502: /* ARGSUSED */
1503: static int
1504: termp_d1_pre(DECL_ARGS)
1505: {
1506:
1.86 kristaps 1507: if (MDOC_BLOCK != n->type)
1.1 kristaps 1508: return(1);
1509: term_newln(p);
1.238 schwarze 1510: p->offset += term_len(p, p->defindent + 1);
1.1 kristaps 1511: return(1);
1512: }
1513:
1514:
1515: /* ARGSUSED */
1516: static int
1517: termp_ft_pre(DECL_ARGS)
1518: {
1519:
1.141 kristaps 1520: /* NB: MDOC_LINE does not effect this! */
1.143 kristaps 1521: synopsis_pre(p, n);
1.102 kristaps 1522: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1523: return(1);
1524: }
1525:
1526:
1527: /* ARGSUSED */
1528: static int
1529: termp_fn_pre(DECL_ARGS)
1530: {
1.226 kristaps 1531: int pretty;
1532:
1533: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1534:
1.143 kristaps 1535: synopsis_pre(p, n);
1.139 kristaps 1536:
1.226 kristaps 1537: if (NULL == (n = n->child))
1538: return(0);
1539:
1540: assert(MDOC_TEXT == n->type);
1.102 kristaps 1541: term_fontpush(p, TERMFONT_BOLD);
1.226 kristaps 1542: term_word(p, n->string);
1.102 kristaps 1543: term_fontpop(p);
1.1 kristaps 1544:
1545: p->flags |= TERMP_NOSPACE;
1546: term_word(p, "(");
1.222 kristaps 1547: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1548:
1.226 kristaps 1549: for (n = n->next; n; n = n->next) {
1550: assert(MDOC_TEXT == n->type);
1.102 kristaps 1551: term_fontpush(p, TERMFONT_UNDER);
1.226 kristaps 1552: term_word(p, n->string);
1.102 kristaps 1553: term_fontpop(p);
1554:
1.226 kristaps 1555: if (n->next) {
1.222 kristaps 1556: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1557: term_word(p, ",");
1.222 kristaps 1558: }
1.1 kristaps 1559: }
1560:
1.222 kristaps 1561: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1562: term_word(p, ")");
1563:
1.226 kristaps 1564: if (pretty) {
1.222 kristaps 1565: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1566: term_word(p, ";");
1.222 kristaps 1567: }
1.1 kristaps 1568:
1569: return(0);
1570: }
1571:
1572:
1573: /* ARGSUSED */
1574: static int
1575: termp_fa_pre(DECL_ARGS)
1576: {
1.86 kristaps 1577: const struct mdoc_node *nn;
1.1 kristaps 1578:
1.86 kristaps 1579: if (n->parent->tok != MDOC_Fo) {
1.102 kristaps 1580: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1581: return(1);
1582: }
1583:
1.86 kristaps 1584: for (nn = n->child; nn; nn = nn->next) {
1.102 kristaps 1585: term_fontpush(p, TERMFONT_UNDER);
1.86 kristaps 1586: term_word(p, nn->string);
1.102 kristaps 1587: term_fontpop(p);
1588:
1.222 kristaps 1589: if (nn->next) {
1590: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1591: term_word(p, ",");
1.222 kristaps 1592: }
1.1 kristaps 1593: }
1594:
1.222 kristaps 1595: if (n->child && n->next && n->next->tok == MDOC_Fa) {
1596: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1597: term_word(p, ",");
1.222 kristaps 1598: }
1.1 kristaps 1599:
1600: return(0);
1601: }
1602:
1603:
1604: /* ARGSUSED */
1605: static int
1606: termp_bd_pre(DECL_ARGS)
1607: {
1.179 kristaps 1608: size_t tabwidth, rm, rmax;
1.244 ! schwarze 1609: struct mdoc_node *nn;
1.1 kristaps 1610:
1.86 kristaps 1611: if (MDOC_BLOCK == n->type) {
1.151 kristaps 1612: print_bvspace(p, n, n);
1.54 kristaps 1613: return(1);
1.116 kristaps 1614: } else if (MDOC_HEAD == n->type)
1615: return(0);
1.1 kristaps 1616:
1.202 kristaps 1617: if (n->norm->Bd.offs)
1618: p->offset += a2offs(p, n->norm->Bd.offs);
1.85 kristaps 1619:
1620: /*
1621: * If -ragged or -filled are specified, the block does nothing
1622: * but change the indentation. If -unfilled or -literal are
1623: * specified, text is printed exactly as entered in the display:
1624: * for macro lines, a newline is appended to the line. Blank
1625: * lines are allowed.
1626: */
1.60 kristaps 1627:
1.202 kristaps 1628: if (DISP_literal != n->norm->Bd.type &&
1629: DISP_unfilled != n->norm->Bd.type)
1.1 kristaps 1630: return(1);
1631:
1.129 schwarze 1632: tabwidth = p->tabwidth;
1.208 kristaps 1633: if (DISP_literal == n->norm->Bd.type)
1634: p->tabwidth = term_len(p, 8);
1635:
1.119 kristaps 1636: rm = p->rmargin;
1637: rmax = p->maxrmargin;
1.120 kristaps 1638: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1639:
1.86 kristaps 1640: for (nn = n->child; nn; nn = nn->next) {
1.102 kristaps 1641: print_mdoc_node(p, pair, m, nn);
1.190 kristaps 1642: /*
1643: * If the printed node flushes its own line, then we
1644: * needn't do it here as well. This is hacky, but the
1645: * notion of selective eoln whitespace is pretty dumb
1646: * anyway, so don't sweat it.
1647: */
1648: switch (nn->tok) {
1.193 kristaps 1649: case (MDOC_Sm):
1650: /* FALLTHROUGH */
1.190 kristaps 1651: case (MDOC_br):
1652: /* FALLTHROUGH */
1653: case (MDOC_sp):
1654: /* FALLTHROUGH */
1655: case (MDOC_Bl):
1.196 kristaps 1656: /* FALLTHROUGH */
1657: case (MDOC_D1):
1658: /* FALLTHROUGH */
1659: case (MDOC_Dl):
1.190 kristaps 1660: /* FALLTHROUGH */
1661: case (MDOC_Lp):
1662: /* FALLTHROUGH */
1663: case (MDOC_Pp):
1664: continue;
1665: default:
1666: break;
1667: }
1.180 schwarze 1668: if (nn->next && nn->next->line == nn->line)
1669: continue;
1670: term_flushln(p);
1671: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1672: }
1.147 kristaps 1673:
1.129 schwarze 1674: p->tabwidth = tabwidth;
1.119 kristaps 1675: p->rmargin = rm;
1676: p->maxrmargin = rmax;
1.1 kristaps 1677: return(0);
1678: }
1679:
1680:
1681: /* ARGSUSED */
1682: static void
1683: termp_bd_post(DECL_ARGS)
1684: {
1.119 kristaps 1685: size_t rm, rmax;
1.1 kristaps 1686:
1.86 kristaps 1687: if (MDOC_BODY != n->type)
1.1 kristaps 1688: return;
1.118 kristaps 1689:
1.119 kristaps 1690: rm = p->rmargin;
1691: rmax = p->maxrmargin;
1.118 kristaps 1692:
1.202 kristaps 1693: if (DISP_literal == n->norm->Bd.type ||
1694: DISP_unfilled == n->norm->Bd.type)
1.120 kristaps 1695: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1696:
1.60 kristaps 1697: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1698: term_newln(p);
1.118 kristaps 1699:
1.119 kristaps 1700: p->rmargin = rm;
1701: p->maxrmargin = rmax;
1.1 kristaps 1702: }
1703:
1704:
1705: /* ARGSUSED */
1.211 kristaps 1706: static int
1707: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1708: {
1709:
1.211 kristaps 1710: if (NULL != (n = n->child)) {
1711: term_word(p, n->string);
1712: p->flags |= TERMP_NOSPACE;
1713: term_word(p, "BSD");
1714: } else {
1715: term_word(p, "BSD");
1716: return(0);
1717: }
1718:
1719: if (NULL != (n = n->next)) {
1720: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1721: term_word(p, "-");
1.1 kristaps 1722: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1723: term_word(p, n->string);
1.211 kristaps 1724: }
1725:
1726: return(0);
1.1 kristaps 1727: }
1728:
1729:
1730: /* ARGSUSED */
1731: static int
1.26 kristaps 1732: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1733: {
1.26 kristaps 1734: const char *pp;
1.218 schwarze 1735: int flags;
1.1 kristaps 1736:
1.26 kristaps 1737: pp = NULL;
1.86 kristaps 1738: switch (n->tok) {
1.26 kristaps 1739: case (MDOC_Bsx):
1.194 schwarze 1740: pp = "BSD/OS";
1.26 kristaps 1741: break;
1742: case (MDOC_Dx):
1.100 kristaps 1743: pp = "DragonFly";
1.26 kristaps 1744: break;
1745: case (MDOC_Fx):
1746: pp = "FreeBSD";
1747: break;
1748: case (MDOC_Nx):
1749: pp = "NetBSD";
1750: break;
1751: case (MDOC_Ox):
1752: pp = "OpenBSD";
1753: break;
1754: case (MDOC_Ux):
1755: pp = "UNIX";
1756: break;
1757: default:
1758: break;
1759: }
1.1 kristaps 1760:
1.26 kristaps 1761: term_word(p, pp);
1.214 kristaps 1762: if (n->child) {
1.218 schwarze 1763: flags = p->flags;
1.214 kristaps 1764: p->flags |= TERMP_KEEP;
1765: term_word(p, n->child->string);
1.218 schwarze 1766: p->flags = flags;
1.214 kristaps 1767: }
1768: return(0);
1.1 kristaps 1769: }
1770:
1771:
1772: /* ARGSUSED */
1773: static int
1.192 schwarze 1774: termp_igndelim_pre(DECL_ARGS)
1.1 kristaps 1775: {
1776:
1777: p->flags |= TERMP_IGNDELIM;
1778: return(1);
1779: }
1780:
1781:
1782: /* ARGSUSED */
1783: static void
1784: termp_pf_post(DECL_ARGS)
1785: {
1786:
1787: p->flags |= TERMP_NOSPACE;
1788: }
1789:
1790:
1791: /* ARGSUSED */
1792: static int
1793: termp_ss_pre(DECL_ARGS)
1794: {
1795:
1.86 kristaps 1796: switch (n->type) {
1.1 kristaps 1797: case (MDOC_BLOCK):
1798: term_newln(p);
1.86 kristaps 1799: if (n->prev)
1.1 kristaps 1800: term_vspace(p);
1801: break;
1802: case (MDOC_HEAD):
1.102 kristaps 1803: term_fontpush(p, TERMFONT_BOLD);
1.238 schwarze 1804: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1805: break;
1806: default:
1807: break;
1808: }
1809:
1810: return(1);
1811: }
1812:
1813:
1814: /* ARGSUSED */
1815: static void
1816: termp_ss_post(DECL_ARGS)
1817: {
1818:
1.86 kristaps 1819: if (MDOC_HEAD == n->type)
1.1 kristaps 1820: term_newln(p);
1821: }
1822:
1823:
1824: /* ARGSUSED */
1825: static int
1826: termp_cd_pre(DECL_ARGS)
1827: {
1828:
1.143 kristaps 1829: synopsis_pre(p, n);
1.102 kristaps 1830: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1831: return(1);
1832: }
1833:
1834:
1835: /* ARGSUSED */
1836: static int
1837: termp_in_pre(DECL_ARGS)
1838: {
1.142 schwarze 1839:
1.143 kristaps 1840: synopsis_pre(p, n);
1.1 kristaps 1841:
1.160 kristaps 1842: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138 kristaps 1843: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1844: term_word(p, "#include");
1.138 kristaps 1845: term_word(p, "<");
1846: } else {
1847: term_word(p, "<");
1848: term_fontpush(p, TERMFONT_UNDER);
1849: }
1.22 kristaps 1850:
1.1 kristaps 1851: p->flags |= TERMP_NOSPACE;
1852: return(1);
1853: }
1854:
1855:
1856: /* ARGSUSED */
1857: static void
1858: termp_in_post(DECL_ARGS)
1859: {
1860:
1.160 kristaps 1861: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1862: term_fontpush(p, TERMFONT_BOLD);
1863:
1.79 kristaps 1864: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1865: term_word(p, ">");
1866:
1.160 kristaps 1867: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1868: term_fontpop(p);
1.1 kristaps 1869: }
1870:
1871:
1872: /* ARGSUSED */
1873: static int
1.45 kristaps 1874: termp_sp_pre(DECL_ARGS)
1875: {
1.91 kristaps 1876: size_t i, len;
1.45 kristaps 1877:
1.86 kristaps 1878: switch (n->tok) {
1.76 kristaps 1879: case (MDOC_sp):
1.157 kristaps 1880: len = n->child ? a2height(p, n->child->string) : 1;
1.76 kristaps 1881: break;
1882: case (MDOC_br):
1883: len = 0;
1884: break;
1885: default:
1886: len = 1;
1887: break;
1.45 kristaps 1888: }
1889:
1890: if (0 == len)
1891: term_newln(p);
1892: for (i = 0; i < len; i++)
1893: term_vspace(p);
1894:
1895: return(0);
1896: }
1897:
1898:
1.189 kristaps 1899: /* ARGSUSED */
1.45 kristaps 1900: static int
1.188 kristaps 1901: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1902: {
1903:
1.203 kristaps 1904: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1905: return(1);
1906:
1.188 kristaps 1907: switch (n->tok) {
1908: case (MDOC_Ao):
1909: /* FALLTHROUGH */
1910: case (MDOC_Aq):
1911: term_word(p, "<");
1912: break;
1913: case (MDOC_Bro):
1914: /* FALLTHROUGH */
1915: case (MDOC_Brq):
1916: term_word(p, "{");
1917: break;
1918: case (MDOC_Oo):
1919: /* FALLTHROUGH */
1920: case (MDOC_Op):
1921: /* FALLTHROUGH */
1922: case (MDOC_Bo):
1923: /* FALLTHROUGH */
1924: case (MDOC_Bq):
1925: term_word(p, "[");
1926: break;
1927: case (MDOC_Do):
1928: /* FALLTHROUGH */
1929: case (MDOC_Dq):
1930: term_word(p, "``");
1931: break;
1.237 schwarze 1932: case (MDOC_Eo):
1933: break;
1.188 kristaps 1934: case (MDOC_Po):
1935: /* FALLTHROUGH */
1936: case (MDOC_Pq):
1937: term_word(p, "(");
1938: break;
1.205 kristaps 1939: case (MDOC__T):
1940: /* FALLTHROUGH */
1.188 kristaps 1941: case (MDOC_Qo):
1942: /* FALLTHROUGH */
1943: case (MDOC_Qq):
1944: term_word(p, "\"");
1945: break;
1946: case (MDOC_Ql):
1947: /* FALLTHROUGH */
1948: case (MDOC_So):
1949: /* FALLTHROUGH */
1950: case (MDOC_Sq):
1951: term_word(p, "`");
1952: break;
1953: default:
1954: abort();
1955: /* NOTREACHED */
1956: }
1.1 kristaps 1957:
1958: p->flags |= TERMP_NOSPACE;
1959: return(1);
1960: }
1961:
1962:
1.189 kristaps 1963: /* ARGSUSED */
1.1 kristaps 1964: static void
1.188 kristaps 1965: termp_quote_post(DECL_ARGS)
1.1 kristaps 1966: {
1967:
1.203 kristaps 1968: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1969: return;
1970:
1971: p->flags |= TERMP_NOSPACE;
1972:
1.188 kristaps 1973: switch (n->tok) {
1974: case (MDOC_Ao):
1975: /* FALLTHROUGH */
1976: case (MDOC_Aq):
1977: term_word(p, ">");
1978: break;
1979: case (MDOC_Bro):
1980: /* FALLTHROUGH */
1981: case (MDOC_Brq):
1982: term_word(p, "}");
1983: break;
1984: case (MDOC_Oo):
1985: /* FALLTHROUGH */
1986: case (MDOC_Op):
1987: /* FALLTHROUGH */
1988: case (MDOC_Bo):
1989: /* FALLTHROUGH */
1990: case (MDOC_Bq):
1991: term_word(p, "]");
1992: break;
1993: case (MDOC_Do):
1994: /* FALLTHROUGH */
1995: case (MDOC_Dq):
1996: term_word(p, "''");
1.237 schwarze 1997: break;
1998: case (MDOC_Eo):
1.188 kristaps 1999: break;
2000: case (MDOC_Po):
2001: /* FALLTHROUGH */
2002: case (MDOC_Pq):
2003: term_word(p, ")");
2004: break;
1.205 kristaps 2005: case (MDOC__T):
2006: /* FALLTHROUGH */
1.188 kristaps 2007: case (MDOC_Qo):
2008: /* FALLTHROUGH */
2009: case (MDOC_Qq):
2010: term_word(p, "\"");
2011: break;
2012: case (MDOC_Ql):
2013: /* FALLTHROUGH */
2014: case (MDOC_So):
2015: /* FALLTHROUGH */
2016: case (MDOC_Sq):
2017: term_word(p, "'");
2018: break;
2019: default:
2020: abort();
2021: /* NOTREACHED */
2022: }
1.1 kristaps 2023: }
2024:
2025:
2026: /* ARGSUSED */
2027: static int
2028: termp_fo_pre(DECL_ARGS)
2029: {
2030:
1.141 kristaps 2031: if (MDOC_BLOCK == n->type) {
1.143 kristaps 2032: synopsis_pre(p, n);
1.141 kristaps 2033: return(1);
2034: } else if (MDOC_BODY == n->type) {
1.33 kristaps 2035: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2036: term_word(p, "(");
1.222 kristaps 2037: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2038: return(1);
1.141 kristaps 2039: }
2040:
1.169 kristaps 2041: if (NULL == n->child)
2042: return(0);
2043:
1.141 kristaps 2044: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2045:
1.141 kristaps 2046: assert(n->child->string);
1.102 kristaps 2047: term_fontpush(p, TERMFONT_BOLD);
1.141 kristaps 2048: term_word(p, n->child->string);
1.1 kristaps 2049: return(0);
2050: }
2051:
2052:
2053: /* ARGSUSED */
2054: static void
2055: termp_fo_post(DECL_ARGS)
2056: {
2057:
1.143 kristaps 2058: if (MDOC_BODY != n->type)
2059: return;
2060:
1.222 kristaps 2061: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2062: term_word(p, ")");
2063:
1.222 kristaps 2064: if (MDOC_SYNPRETTY & n->flags) {
2065: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2066: term_word(p, ";");
1.222 kristaps 2067: }
1.1 kristaps 2068: }
2069:
2070:
2071: /* ARGSUSED */
2072: static int
2073: termp_bf_pre(DECL_ARGS)
2074: {
2075:
1.86 kristaps 2076: if (MDOC_HEAD == n->type)
1.1 kristaps 2077: return(0);
1.244 ! schwarze 2078: else if (MDOC_BODY != n->type)
1.1 kristaps 2079: return(1);
2080:
1.202 kristaps 2081: if (FONT_Em == n->norm->Bf.font)
1.102 kristaps 2082: term_fontpush(p, TERMFONT_UNDER);
1.202 kristaps 2083: else if (FONT_Sy == n->norm->Bf.font)
1.102 kristaps 2084: term_fontpush(p, TERMFONT_BOLD);
1.167 kristaps 2085: else
1.102 kristaps 2086: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2087:
2088: return(1);
2089: }
2090:
2091:
2092: /* ARGSUSED */
2093: static int
2094: termp_sm_pre(DECL_ARGS)
2095: {
2096:
1.86 kristaps 2097: assert(n->child && MDOC_TEXT == n->child->type);
1.174 schwarze 2098: if (0 == strcmp("on", n->child->string)) {
2099: if (p->col)
2100: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2101: p->flags &= ~TERMP_NONOSPACE;
1.174 schwarze 2102: } else
1.1 kristaps 2103: p->flags |= TERMP_NONOSPACE;
2104:
2105: return(0);
2106: }
2107:
2108:
2109: /* ARGSUSED */
2110: static int
2111: termp_ap_pre(DECL_ARGS)
2112: {
2113:
2114: p->flags |= TERMP_NOSPACE;
1.188 kristaps 2115: term_word(p, "'");
1.1 kristaps 2116: p->flags |= TERMP_NOSPACE;
2117: return(1);
2118: }
2119:
2120:
2121: /* ARGSUSED */
2122: static void
2123: termp____post(DECL_ARGS)
2124: {
1.184 kristaps 2125:
2126: /*
2127: * Handle lists of authors. In general, print each followed by
2128: * a comma. Don't print the comma if there are only two
2129: * authors.
2130: */
2131: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2132: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2133: if (NULL == n->prev || MDOC__A != n->prev->tok)
2134: return;
1.1 kristaps 2135:
1.95 kristaps 2136: /* TODO: %U. */
2137:
1.187 kristaps 2138: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2139: return;
2140:
1.222 kristaps 2141: p->flags |= TERMP_NOSPACE;
1.186 kristaps 2142: if (NULL == n->next) {
2143: term_word(p, ".");
2144: p->flags |= TERMP_SENTENCE;
2145: } else
2146: term_word(p, ",");
1.1 kristaps 2147: }
2148:
2149:
2150: /* ARGSUSED */
2151: static int
1.102 kristaps 2152: termp_li_pre(DECL_ARGS)
2153: {
2154:
2155: term_fontpush(p, TERMFONT_NONE);
2156: return(1);
2157: }
2158:
2159:
2160: /* ARGSUSED */
2161: static int
1.1 kristaps 2162: termp_lk_pre(DECL_ARGS)
2163: {
1.240 schwarze 2164: const struct mdoc_node *link, *descr;
1.1 kristaps 2165:
1.240 schwarze 2166: if (NULL == (link = n->child))
2167: return(0);
1.181 kristaps 2168:
1.240 schwarze 2169: if (NULL != (descr = link->next)) {
2170: term_fontpush(p, TERMFONT_UNDER);
2171: while (NULL != descr) {
2172: term_word(p, descr->string);
2173: descr = descr->next;
2174: }
2175: p->flags |= TERMP_NOSPACE;
2176: term_word(p, ":");
2177: term_fontpop(p);
2178: }
1.1 kristaps 2179:
1.102 kristaps 2180: term_fontpush(p, TERMFONT_BOLD);
1.240 schwarze 2181: term_word(p, link->string);
1.102 kristaps 2182: term_fontpop(p);
1.12 kristaps 2183:
1.1 kristaps 2184: return(0);
2185: }
2186:
1.159 schwarze 2187:
2188: /* ARGSUSED */
2189: static int
2190: termp_bk_pre(DECL_ARGS)
2191: {
2192:
1.161 schwarze 2193: switch (n->type) {
2194: case (MDOC_BLOCK):
1.166 kristaps 2195: break;
1.161 schwarze 2196: case (MDOC_HEAD):
2197: return(0);
2198: case (MDOC_BODY):
1.200 schwarze 2199: if (n->parent->args || 0 == n->prev->nchild)
2200: p->flags |= TERMP_PREKEEP;
1.166 kristaps 2201: break;
1.161 schwarze 2202: default:
2203: abort();
1.166 kristaps 2204: /* NOTREACHED */
1.161 schwarze 2205: }
1.166 kristaps 2206:
2207: return(1);
1.159 schwarze 2208: }
2209:
2210:
2211: /* ARGSUSED */
2212: static void
2213: termp_bk_post(DECL_ARGS)
2214: {
2215:
1.161 schwarze 2216: if (MDOC_BODY == n->type)
2217: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203 kristaps 2218: }
2219:
2220: /* ARGSUSED */
2221: static void
2222: termp__t_post(DECL_ARGS)
2223: {
2224:
2225: /*
2226: * If we're in an `Rs' and there's a journal present, then quote
2227: * us instead of underlining us (for disambiguation).
2228: */
1.217 schwarze 2229: if (n->parent && MDOC_Rs == n->parent->tok &&
1.210 kristaps 2230: n->parent->norm->Rs.quote_T)
1.203 kristaps 2231: termp_quote_post(p, pair, m, n);
2232:
2233: termp____post(p, pair, m, n);
2234: }
2235:
2236: /* ARGSUSED */
2237: static int
2238: termp__t_pre(DECL_ARGS)
2239: {
2240:
2241: /*
2242: * If we're in an `Rs' and there's a journal present, then quote
2243: * us instead of underlining us (for disambiguation).
2244: */
2245: if (n->parent && MDOC_Rs == n->parent->tok &&
1.210 kristaps 2246: n->parent->norm->Rs.quote_T)
1.203 kristaps 2247: return(termp_quote_pre(p, pair, m, n));
2248:
2249: term_fontpush(p, TERMFONT_UNDER);
2250: return(1);
1.159 schwarze 2251: }
1.1 kristaps 2252:
2253: /* ARGSUSED */
2254: static int
1.69 kristaps 2255: termp_under_pre(DECL_ARGS)
1.1 kristaps 2256: {
2257:
1.102 kristaps 2258: term_fontpush(p, TERMFONT_UNDER);
1.84 kristaps 2259: return(1);
2260: }
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