Annotation of mandoc/mdoc_term.c, Revision 1.372
1.372 ! schwarze 1: /* $Id: mdoc_term.c,v 1.371 2018/12/30 00:49:55 schwarze Exp $ */
1.1 kristaps 2: /*
1.217 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.372 ! schwarze 4: * Copyright (c) 2010, 2012-2019 Ingo Schwarze <schwarze@openbsd.org>
1.256 schwarze 5: * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
1.1 kristaps 6: *
7: * Permission to use, copy, modify, and distribute this software for any
1.6 kristaps 8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 10: *
1.314 schwarze 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.6 kristaps 12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.314 schwarze 13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.6 kristaps 14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 18: */
1.107 kristaps 19: #include "config.h"
20:
1.1 kristaps 21: #include <sys/types.h>
22:
23: #include <assert.h>
24: #include <ctype.h>
1.302 schwarze 25: #include <limits.h>
1.118 kristaps 26: #include <stdint.h>
1.1 kristaps 27: #include <stdio.h>
28: #include <stdlib.h>
29: #include <string.h>
30:
1.314 schwarze 31: #include "mandoc_aux.h"
32: #include "roff.h"
33: #include "mdoc.h"
1.92 kristaps 34: #include "out.h"
1.1 kristaps 35: #include "term.h"
1.320 schwarze 36: #include "tag.h"
1.89 kristaps 37: #include "main.h"
1.1 kristaps 38:
39: struct termpair {
40: struct termpair *ppair;
1.31 kristaps 41: int count;
1.1 kristaps 42: };
43:
1.31 kristaps 44: #define DECL_ARGS struct termp *p, \
45: struct termpair *pair, \
1.316 schwarze 46: const struct roff_meta *meta, \
1.315 schwarze 47: struct roff_node *n
1.1 kristaps 48:
1.368 schwarze 49: struct mdoc_term_act {
1.1 kristaps 50: int (*pre)(DECL_ARGS);
51: void (*post)(DECL_ARGS);
52: };
53:
1.302 schwarze 54: static int a2width(const struct termp *, const char *);
1.96 kristaps 55:
56: static void print_bvspace(struct termp *,
1.315 schwarze 57: const struct roff_node *,
58: const struct roff_node *);
1.264 schwarze 59: static void print_mdoc_node(DECL_ARGS);
1.145 kristaps 60: static void print_mdoc_nodelist(DECL_ARGS);
1.316 schwarze 61: static void print_mdoc_head(struct termp *, const struct roff_meta *);
62: static void print_mdoc_foot(struct termp *, const struct roff_meta *);
1.264 schwarze 63: static void synopsis_pre(struct termp *,
1.315 schwarze 64: const struct roff_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);
1.31 kristaps 68: static void termp_bd_post(DECL_ARGS);
1.159 schwarze 69: static void termp_bk_post(DECL_ARGS);
1.31 kristaps 70: static void termp_bl_post(DECL_ARGS);
1.306 schwarze 71: static void termp_eo_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);
1.339 schwarze 82: static void termp_xx_post(DECL_ARGS);
1.31 kristaps 83:
1.184 kristaps 84: static int termp__a_pre(DECL_ARGS);
1.203 kristaps 85: static int termp__t_pre(DECL_ARGS);
1.369 schwarze 86: static int termp_abort_pre(DECL_ARGS);
1.61 kristaps 87: static int termp_an_pre(DECL_ARGS);
1.31 kristaps 88: static int termp_ap_pre(DECL_ARGS);
89: static int termp_bd_pre(DECL_ARGS);
90: static int termp_bf_pre(DECL_ARGS);
1.159 schwarze 91: static int termp_bk_pre(DECL_ARGS);
1.115 kristaps 92: static int termp_bl_pre(DECL_ARGS);
1.69 kristaps 93: static int termp_bold_pre(DECL_ARGS);
1.31 kristaps 94: static int termp_cd_pre(DECL_ARGS);
95: static int termp_d1_pre(DECL_ARGS);
1.306 schwarze 96: static int termp_eo_pre(DECL_ARGS);
1.334 schwarze 97: static int termp_em_pre(DECL_ARGS);
1.323 schwarze 98: static int termp_er_pre(DECL_ARGS);
1.31 kristaps 99: static int termp_ex_pre(DECL_ARGS);
100: static int termp_fa_pre(DECL_ARGS);
1.188 kristaps 101: static int termp_fd_pre(DECL_ARGS);
1.31 kristaps 102: static int termp_fl_pre(DECL_ARGS);
103: static int termp_fn_pre(DECL_ARGS);
104: static int termp_fo_pre(DECL_ARGS);
105: static int termp_ft_pre(DECL_ARGS);
106: static int termp_in_pre(DECL_ARGS);
107: static int termp_it_pre(DECL_ARGS);
1.102 kristaps 108: static int termp_li_pre(DECL_ARGS);
1.31 kristaps 109: static int termp_lk_pre(DECL_ARGS);
110: static int termp_nd_pre(DECL_ARGS);
111: static int termp_nm_pre(DECL_ARGS);
112: static int termp_ns_pre(DECL_ARGS);
1.188 kristaps 113: static int termp_quote_pre(DECL_ARGS);
1.31 kristaps 114: static int termp_rs_pre(DECL_ARGS);
115: static int termp_sh_pre(DECL_ARGS);
1.294 schwarze 116: static int termp_skip_pre(DECL_ARGS);
1.31 kristaps 117: static int termp_sm_pre(DECL_ARGS);
1.355 schwarze 118: static int termp_pp_pre(DECL_ARGS);
1.31 kristaps 119: static int termp_ss_pre(DECL_ARGS);
1.334 schwarze 120: static int termp_sy_pre(DECL_ARGS);
1.320 schwarze 121: static int termp_tag_pre(DECL_ARGS);
1.69 kristaps 122: static int termp_under_pre(DECL_ARGS);
1.110 kristaps 123: static int termp_vt_pre(DECL_ARGS);
1.31 kristaps 124: static int termp_xr_pre(DECL_ARGS);
125: static int termp_xx_pre(DECL_ARGS);
126:
1.368 schwarze 127: static const struct mdoc_term_act mdoc_term_acts[MDOC_MAX - MDOC_Dd] = {
1.1 kristaps 128: { NULL, NULL }, /* Dd */
129: { NULL, NULL }, /* Dt */
130: { NULL, NULL }, /* Os */
131: { termp_sh_pre, termp_sh_post }, /* Sh */
1.264 schwarze 132: { termp_ss_pre, termp_ss_post }, /* Ss */
1.355 schwarze 133: { termp_pp_pre, NULL }, /* Pp */
1.241 schwarze 134: { termp_d1_pre, termp_bl_post }, /* D1 */
135: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 136: { termp_bd_pre, termp_bd_post }, /* Bd */
137: { NULL, NULL }, /* Ed */
1.115 kristaps 138: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 139: { NULL, NULL }, /* El */
140: { termp_it_pre, termp_it_post }, /* It */
1.264 schwarze 141: { termp_under_pre, NULL }, /* Ad */
1.282 schwarze 142: { termp_an_pre, NULL }, /* An */
1.350 schwarze 143: { termp_ap_pre, NULL }, /* Ap */
1.69 kristaps 144: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 145: { termp_cd_pre, NULL }, /* Cd */
1.69 kristaps 146: { termp_bold_pre, NULL }, /* Cm */
1.325 schwarze 147: { termp_li_pre, NULL }, /* Dv */
1.323 schwarze 148: { termp_er_pre, NULL }, /* Er */
1.320 schwarze 149: { termp_tag_pre, NULL }, /* Ev */
1.1 kristaps 150: { termp_ex_pre, NULL }, /* Ex */
1.264 schwarze 151: { termp_fa_pre, NULL }, /* Fa */
152: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 153: { termp_fl_pre, NULL }, /* Fl */
1.264 schwarze 154: { termp_fn_pre, NULL }, /* Fn */
155: { termp_ft_pre, NULL }, /* Ft */
156: { termp_bold_pre, NULL }, /* Ic */
157: { termp_in_pre, termp_in_post }, /* In */
1.102 kristaps 158: { termp_li_pre, NULL }, /* Li */
1.264 schwarze 159: { termp_nd_pre, NULL }, /* Nd */
160: { termp_nm_pre, termp_nm_post }, /* Nm */
1.188 kristaps 161: { termp_quote_pre, termp_quote_post }, /* Op */
1.369 schwarze 162: { termp_abort_pre, NULL }, /* Ot */
1.69 kristaps 163: { termp_under_pre, NULL }, /* Pa */
1.341 schwarze 164: { termp_ex_pre, NULL }, /* Rv */
1.264 schwarze 165: { NULL, NULL }, /* St */
1.69 kristaps 166: { termp_under_pre, NULL }, /* Va */
1.143 kristaps 167: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 168: { termp_xr_pre, NULL }, /* Xr */
1.184 kristaps 169: { termp__a_pre, termp____post }, /* %A */
1.84 kristaps 170: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 171: { NULL, termp____post }, /* %D */
1.84 kristaps 172: { termp_under_pre, termp____post }, /* %I */
1.69 kristaps 173: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 174: { NULL, termp____post }, /* %N */
175: { NULL, termp____post }, /* %O */
176: { NULL, termp____post }, /* %P */
177: { NULL, termp____post }, /* %R */
1.203 kristaps 178: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 179: { NULL, termp____post }, /* %V */
180: { NULL, NULL }, /* Ac */
1.188 kristaps 181: { termp_quote_pre, termp_quote_post }, /* Ao */
182: { termp_quote_pre, termp_quote_post }, /* Aq */
1.35 kristaps 183: { NULL, NULL }, /* At */
1.1 kristaps 184: { NULL, NULL }, /* Bc */
1.264 schwarze 185: { termp_bf_pre, NULL }, /* Bf */
1.188 kristaps 186: { termp_quote_pre, termp_quote_post }, /* Bo */
187: { termp_quote_pre, termp_quote_post }, /* Bq */
1.339 schwarze 188: { termp_xx_pre, termp_xx_post }, /* Bsx */
1.340 schwarze 189: { NULL, NULL }, /* Bx */
1.294 schwarze 190: { termp_skip_pre, NULL }, /* Db */
1.1 kristaps 191: { NULL, NULL }, /* Dc */
1.188 kristaps 192: { termp_quote_pre, termp_quote_post }, /* Do */
193: { termp_quote_pre, termp_quote_post }, /* Dq */
1.112 kristaps 194: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 195: { NULL, NULL }, /* Ef */
1.334 schwarze 196: { termp_em_pre, NULL }, /* Em */
1.306 schwarze 197: { termp_eo_pre, termp_eo_post }, /* Eo */
1.339 schwarze 198: { termp_xx_pre, termp_xx_post }, /* Fx */
1.176 kristaps 199: { termp_bold_pre, NULL }, /* Ms */
1.290 schwarze 200: { termp_li_pre, NULL }, /* No */
1.1 kristaps 201: { termp_ns_pre, NULL }, /* Ns */
1.339 schwarze 202: { termp_xx_pre, termp_xx_post }, /* Nx */
203: { termp_xx_pre, termp_xx_post }, /* Ox */
1.1 kristaps 204: { NULL, NULL }, /* Pc */
1.254 schwarze 205: { NULL, termp_pf_post }, /* Pf */
1.188 kristaps 206: { termp_quote_pre, termp_quote_post }, /* Po */
207: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 208: { NULL, NULL }, /* Qc */
1.188 kristaps 209: { termp_quote_pre, termp_quote_post }, /* Ql */
210: { termp_quote_pre, termp_quote_post }, /* Qo */
211: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 212: { NULL, NULL }, /* Re */
213: { termp_rs_pre, NULL }, /* Rs */
214: { NULL, NULL }, /* Sc */
1.188 kristaps 215: { termp_quote_pre, termp_quote_post }, /* So */
216: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 217: { termp_sm_pre, NULL }, /* Sm */
1.69 kristaps 218: { termp_under_pre, NULL }, /* Sx */
1.334 schwarze 219: { termp_sy_pre, NULL }, /* Sy */
1.1 kristaps 220: { NULL, NULL }, /* Tn */
1.339 schwarze 221: { termp_xx_pre, termp_xx_post }, /* Ux */
1.1 kristaps 222: { NULL, NULL }, /* Xc */
223: { NULL, NULL }, /* Xo */
1.264 schwarze 224: { termp_fo_pre, termp_fo_post }, /* Fo */
225: { NULL, NULL }, /* Fc */
1.188 kristaps 226: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 227: { NULL, NULL }, /* Oc */
1.159 schwarze 228: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 229: { NULL, NULL }, /* Ek */
1.341 schwarze 230: { NULL, NULL }, /* Bt */
1.1 kristaps 231: { NULL, NULL }, /* Hf */
1.268 schwarze 232: { termp_under_pre, NULL }, /* Fr */
1.341 schwarze 233: { NULL, NULL }, /* Ud */
1.37 kristaps 234: { NULL, termp_lb_post }, /* Lb */
1.369 schwarze 235: { termp_abort_pre, NULL }, /* Lp */
1.264 schwarze 236: { termp_lk_pre, NULL }, /* Lk */
237: { termp_under_pre, NULL }, /* Mt */
238: { termp_quote_pre, termp_quote_post }, /* Brq */
239: { termp_quote_pre, termp_quote_post }, /* Bro */
240: { NULL, NULL }, /* Brc */
241: { NULL, termp____post }, /* %C */
1.294 schwarze 242: { termp_skip_pre, NULL }, /* Es */
1.268 schwarze 243: { termp_quote_pre, termp_quote_post }, /* En */
1.339 schwarze 244: { termp_xx_pre, termp_xx_post }, /* Dx */
1.264 schwarze 245: { NULL, termp____post }, /* %Q */
246: { NULL, termp____post }, /* %U */
247: { NULL, NULL }, /* Ta */
1.1 kristaps 248: };
249:
1.322 schwarze 250: static int fn_prio;
1.1 kristaps 251:
1.350 schwarze 252:
1.70 kristaps 253: void
1.371 schwarze 254: terminal_mdoc(void *arg, const struct roff_meta *mdoc)
1.1 kristaps 255: {
1.315 schwarze 256: struct roff_node *n;
1.89 kristaps 257: struct termp *p;
1.342 schwarze 258: size_t save_defindent;
1.89 kristaps 259:
260: p = (struct termp *)arg;
1.362 schwarze 261: p->tcol->rmargin = p->maxrmargin = p->defrmargin;
1.356 schwarze 262: term_tab_set(p, NULL);
263: term_tab_set(p, "T");
264: term_tab_set(p, ".5i");
1.70 kristaps 265:
1.319 schwarze 266: n = mdoc->first->child;
1.281 schwarze 267: if (p->synopsisonly) {
268: while (n != NULL) {
269: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
270: if (n->child->next->child != NULL)
271: print_mdoc_nodelist(p, NULL,
1.371 schwarze 272: mdoc, n->child->next->child);
1.281 schwarze 273: term_newln(p);
274: break;
275: }
276: n = n->next;
277: }
278: } else {
1.342 schwarze 279: save_defindent = p->defindent;
1.281 schwarze 280: if (p->defindent == 0)
281: p->defindent = 5;
1.371 schwarze 282: term_begin(p, print_mdoc_head, print_mdoc_foot, mdoc);
1.367 schwarze 283: while (n != NULL &&
284: (n->type == ROFFT_COMMENT ||
285: n->flags & NODE_NOPRT))
1.337 schwarze 286: n = n->next;
1.281 schwarze 287: if (n != NULL) {
288: if (n->tok != MDOC_Sh)
289: term_vspace(p);
1.371 schwarze 290: print_mdoc_nodelist(p, NULL, mdoc, n);
1.281 schwarze 291: }
292: term_end(p);
1.342 schwarze 293: p->defindent = save_defindent;
1.271 schwarze 294: }
1.1 kristaps 295: }
296:
1.3 kristaps 297: static void
1.102 kristaps 298: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 299: {
300:
1.304 schwarze 301: while (n != NULL) {
302: print_mdoc_node(p, pair, meta, n);
303: n = n->next;
304: }
1.1 kristaps 305: }
306:
1.3 kristaps 307: static void
1.102 kristaps 308: print_mdoc_node(DECL_ARGS)
1.1 kristaps 309: {
1.368 schwarze 310: const struct mdoc_term_act *act;
1.1 kristaps 311: struct termpair npair;
1.30 kristaps 312: size_t offset, rmargin;
1.368 schwarze 313: int chld;
1.1 kristaps 314:
1.372 ! schwarze 315: /*
! 316: * In no-fill mode, break the output line at the beginning
! 317: * of new input lines except after \c, and nowhere else.
! 318: */
! 319:
! 320: if (n->flags & NODE_NOFILL) {
! 321: if (n->flags & NODE_LINE &&
! 322: (p->flags & TERMP_NONEWLINE) == 0)
! 323: term_newln(p);
! 324: p->flags |= TERMP_BRNEVER;
! 325: } else
! 326: p->flags &= ~TERMP_BRNEVER;
! 327:
1.367 schwarze 328: if (n->type == ROFFT_COMMENT || n->flags & NODE_NOPRT)
1.337 schwarze 329: return;
330:
1.70 kristaps 331: chld = 1;
1.362 schwarze 332: offset = p->tcol->offset;
333: rmargin = p->tcol->rmargin;
1.338 schwarze 334: n->flags &= ~NODE_ENDED;
1.305 schwarze 335: n->prev_font = p->fonti;
1.29 kristaps 336:
1.97 kristaps 337: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 338: npair.ppair = pair;
1.172 kristaps 339:
340: /*
341: * Keeps only work until the end of a line. If a keep was
342: * invoked in a prior line, revert it to PREKEEP.
343: */
344:
1.338 schwarze 345: if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
1.307 schwarze 346: p->flags &= ~TERMP_KEEP;
347: p->flags |= TERMP_PREKEEP;
1.172 kristaps 348: }
1.197 schwarze 349:
350: /*
1.217 schwarze 351: * After the keep flags have been set up, we may now
352: * produce output. Note that some pre-handlers do so.
353: */
354:
355: switch (n->type) {
1.314 schwarze 356: case ROFFT_TEXT:
1.372 ! schwarze 357: if (n->flags & NODE_LINE) {
! 358: switch (*n->string) {
! 359: case '\0':
! 360: if (p->flags & TERMP_NONEWLINE)
! 361: term_newln(p);
! 362: else
! 363: term_vspace(p);
! 364: return;
! 365: case ' ':
! 366: if ((p->flags & TERMP_NONEWLINE) == 0)
! 367: term_newln(p);
! 368: break;
! 369: default:
! 370: break;
! 371: }
! 372: }
1.338 schwarze 373: if (NODE_DELIMC & n->flags)
1.222 kristaps 374: p->flags |= TERMP_NOSPACE;
1.217 schwarze 375: term_word(p, n->string);
1.338 schwarze 376: if (NODE_DELIMO & n->flags)
1.222 kristaps 377: p->flags |= TERMP_NOSPACE;
1.217 schwarze 378: break;
1.314 schwarze 379: case ROFFT_EQN:
1.338 schwarze 380: if ( ! (n->flags & NODE_LINE))
1.284 schwarze 381: p->flags |= TERMP_NOSPACE;
1.233 kristaps 382: term_eqn(p, n->eqn);
1.338 schwarze 383: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.285 schwarze 384: p->flags |= TERMP_NOSPACE;
1.217 schwarze 385: break;
1.314 schwarze 386: case ROFFT_TBL:
1.313 schwarze 387: if (p->tbl.cols == NULL)
388: term_newln(p);
1.217 schwarze 389: term_tbl(p, n->span);
390: break;
391: default:
1.351 schwarze 392: if (n->tok < ROFF_MAX) {
1.352 schwarze 393: roff_term_pre(p, n);
1.354 schwarze 394: return;
1.351 schwarze 395: }
396: assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
1.368 schwarze 397: act = mdoc_term_acts + (n->tok - MDOC_Dd);
398: if (act->pre != NULL &&
1.331 schwarze 399: (n->end == ENDBODY_NOT || n->child != NULL))
1.368 schwarze 400: chld = (*act->pre)(p, &npair, meta, n);
1.217 schwarze 401: break;
402: }
403:
1.86 kristaps 404: if (chld && n->child)
1.245 schwarze 405: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 406:
1.244 schwarze 407: term_fontpopq(p,
1.310 schwarze 408: (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.46 kristaps 409:
1.206 kristaps 410: switch (n->type) {
1.314 schwarze 411: case ROFFT_TEXT:
1.206 kristaps 412: break;
1.314 schwarze 413: case ROFFT_TBL:
1.216 kristaps 414: break;
1.314 schwarze 415: case ROFFT_EQN:
1.206 kristaps 416: break;
417: default:
1.368 schwarze 418: if (act->post == NULL || n->flags & NODE_ENDED)
1.206 kristaps 419: break;
1.368 schwarze 420: (void)(*act->post)(p, &npair, meta, n);
1.162 schwarze 421:
422: /*
423: * Explicit end tokens not only call the post
424: * handler, but also tell the respective block
425: * that it must not call the post handler again.
426: */
1.165 kristaps 427: if (ENDBODY_NOT != n->end)
1.338 schwarze 428: n->body->flags |= NODE_ENDED;
1.206 kristaps 429: break;
1.162 schwarze 430: }
1.121 kristaps 431:
1.338 schwarze 432: if (NODE_EOS & n->flags)
1.121 kristaps 433: p->flags |= TERMP_SENTENCE;
1.29 kristaps 434:
1.359 schwarze 435: if (n->type != ROFFT_TEXT)
1.362 schwarze 436: p->tcol->offset = offset;
437: p->tcol->rmargin = rmargin;
1.1 kristaps 438: }
439:
1.3 kristaps 440: static void
1.316 schwarze 441: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 442: {
1.292 schwarze 443: size_t sz;
1.144 kristaps 444:
1.102 kristaps 445: term_fontrepl(p, TERMFONT_NONE);
1.101 kristaps 446:
1.264 schwarze 447: /*
1.9 kristaps 448: * Output the footer in new-groff style, that is, three columns
449: * with the middle being the manual date and flanking columns
450: * being the operating system:
451: *
452: * SYSTEM DATE SYSTEM
453: */
454:
1.1 kristaps 455: term_vspace(p);
456:
1.362 schwarze 457: p->tcol->offset = 0;
1.292 schwarze 458: sz = term_strlen(p, meta->date);
1.362 schwarze 459: p->tcol->rmargin = p->maxrmargin > sz ?
1.292 schwarze 460: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.250 schwarze 461: p->trailspace = 1;
1.1 kristaps 462: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
463:
1.245 schwarze 464: term_word(p, meta->os);
1.1 kristaps 465: term_flushln(p);
466:
1.362 schwarze 467: p->tcol->offset = p->tcol->rmargin;
1.292 schwarze 468: sz = term_strlen(p, meta->os);
1.362 schwarze 469: p->tcol->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.234 schwarze 470: p->flags |= TERMP_NOSPACE;
1.9 kristaps 471:
1.245 schwarze 472: term_word(p, meta->date);
1.9 kristaps 473: term_flushln(p);
474:
1.362 schwarze 475: p->tcol->offset = p->tcol->rmargin;
476: p->tcol->rmargin = p->maxrmargin;
1.250 schwarze 477: p->trailspace = 0;
1.1 kristaps 478: p->flags &= ~TERMP_NOBREAK;
1.234 schwarze 479: p->flags |= TERMP_NOSPACE;
1.1 kristaps 480:
1.245 schwarze 481: term_word(p, meta->os);
1.1 kristaps 482: term_flushln(p);
483:
1.362 schwarze 484: p->tcol->offset = 0;
485: p->tcol->rmargin = p->maxrmargin;
1.9 kristaps 486: p->flags = 0;
1.1 kristaps 487: }
488:
1.3 kristaps 489: static void
1.316 schwarze 490: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 491: {
1.267 schwarze 492: char *volume, *title;
493: size_t vollen, titlen;
1.1 kristaps 494:
495: /*
496: * The header is strange. It has three components, which are
497: * really two with the first duplicated. It goes like this:
498: *
499: * IDENTIFIER TITLE IDENTIFIER
500: *
501: * The IDENTIFIER is NAME(SECTION), which is the command-name
502: * (if given, or "unknown" if not) followed by the manual page
503: * section. These are given in `Dt'. The TITLE is a free-form
504: * string depending on the manual volume. If not specified, it
505: * switches on the manual section.
506: */
1.235 schwarze 507:
1.245 schwarze 508: assert(meta->vol);
1.267 schwarze 509: if (NULL == meta->arch)
510: volume = mandoc_strdup(meta->vol);
511: else
512: mandoc_asprintf(&volume, "%s (%s)",
513: meta->vol, meta->arch);
514: vollen = term_strlen(p, volume);
1.1 kristaps 515:
1.275 schwarze 516: if (NULL == meta->msec)
517: title = mandoc_strdup(meta->title);
518: else
519: mandoc_asprintf(&title, "%s(%s)",
520: meta->title, meta->msec);
1.235 schwarze 521: titlen = term_strlen(p, title);
1.1 kristaps 522:
1.235 schwarze 523: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250 schwarze 524: p->trailspace = 1;
1.362 schwarze 525: p->tcol->offset = 0;
526: p->tcol->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1.267 schwarze 527: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.292 schwarze 528: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 529:
530: term_word(p, title);
531: term_flushln(p);
532:
1.235 schwarze 533: p->flags |= TERMP_NOSPACE;
1.362 schwarze 534: p->tcol->offset = p->tcol->rmargin;
535: p->tcol->rmargin = p->tcol->offset + vollen + titlen <
536: p->maxrmargin ? p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 537:
1.267 schwarze 538: term_word(p, volume);
1.1 kristaps 539: term_flushln(p);
540:
541: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 542: p->trailspace = 0;
1.362 schwarze 543: if (p->tcol->rmargin + titlen <= p->maxrmargin) {
1.235 schwarze 544: p->flags |= TERMP_NOSPACE;
1.362 schwarze 545: p->tcol->offset = p->tcol->rmargin;
546: p->tcol->rmargin = p->maxrmargin;
1.235 schwarze 547: term_word(p, title);
548: term_flushln(p);
549: }
1.1 kristaps 550:
1.235 schwarze 551: p->flags &= ~TERMP_NOSPACE;
1.362 schwarze 552: p->tcol->offset = 0;
553: p->tcol->rmargin = p->maxrmargin;
1.266 schwarze 554: free(title);
1.267 schwarze 555: free(volume);
1.1 kristaps 556: }
557:
1.302 schwarze 558: static int
1.157 kristaps 559: a2width(const struct termp *p, const char *v)
1.91 kristaps 560: {
1.92 kristaps 561: struct roffsu su;
1.363 schwarze 562: const char *end;
1.1 kristaps 563:
1.363 schwarze 564: end = a2roffsu(v, &su, SCALE_MAX);
565: if (end == NULL || *end != '\0') {
1.157 kristaps 566: SCALE_HS_INIT(&su, term_strlen(p, v));
1.283 schwarze 567: su.scale /= term_strlen(p, "0");
1.302 schwarze 568: }
1.364 schwarze 569: return term_hen(p, &su);
1.1 kristaps 570: }
571:
1.108 kristaps 572: /*
573: * Determine how much space to print out before block elements of `It'
574: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
575: * too.
576: */
1.54 kristaps 577: static void
1.264 schwarze 578: print_bvspace(struct termp *p,
1.315 schwarze 579: const struct roff_node *bl,
580: const struct roff_node *n)
1.1 kristaps 581: {
1.315 schwarze 582: const struct roff_node *nn;
1.236 schwarze 583:
584: assert(n);
1.1 kristaps 585:
586: term_newln(p);
1.150 kristaps 587:
1.202 kristaps 588: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150 kristaps 589: return;
1.202 kristaps 590: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54 kristaps 591: return;
592:
1.85 kristaps 593: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 594:
1.289 schwarze 595: nn = n;
1.367 schwarze 596: while (nn->prev != NULL &&
597: (nn->prev->type == ROFFT_COMMENT ||
598: nn->prev->flags & NODE_NOPRT))
1.337 schwarze 599: nn = nn->prev;
1.289 schwarze 600: while (nn->prev == NULL) {
601: do {
602: nn = nn->parent;
1.314 schwarze 603: if (nn->type == ROFFT_ROOT)
1.289 schwarze 604: return;
1.314 schwarze 605: } while (nn->type != ROFFT_BLOCK);
1.289 schwarze 606: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.54 kristaps 607: return;
1.289 schwarze 608: if (nn->tok == MDOC_It &&
609: nn->parent->parent->norm->Bl.type != LIST_item)
610: break;
1.1 kristaps 611: }
612:
1.85 kristaps 613: /* A `-column' does not assert vspace within the list. */
1.54 kristaps 614:
1.202 kristaps 615: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86 kristaps 616: if (n->prev && MDOC_It == n->prev->tok)
1.54 kristaps 617: return;
618:
1.85 kristaps 619: /* A `-diag' without body does not vspace. */
620:
1.202 kristaps 621: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86 kristaps 622: if (n->prev && MDOC_It == n->prev->tok) {
623: assert(n->prev->body);
624: if (NULL == n->prev->body->child)
1.55 kristaps 625: return;
626: }
627:
1.54 kristaps 628: term_vspace(p);
1.260 schwarze 629: }
630:
1.1 kristaps 631:
632: static int
633: termp_it_pre(DECL_ARGS)
634: {
1.345 schwarze 635: struct roffsu su;
1.302 schwarze 636: char buf[24];
1.315 schwarze 637: const struct roff_node *bl, *nn;
1.302 schwarze 638: size_t ncols, dcol;
639: int i, offset, width;
1.126 kristaps 640: enum mdoc_list type;
1.1 kristaps 641:
1.314 schwarze 642: if (n->type == ROFFT_BLOCK) {
1.151 kristaps 643: print_bvspace(p, n->parent->parent, n);
1.328 schwarze 644: return 1;
1.54 kristaps 645: }
1.1 kristaps 646:
1.86 kristaps 647: bl = n->parent->parent->parent;
1.202 kristaps 648: type = bl->norm->Bl.type;
1.1 kristaps 649:
1.264 schwarze 650: /*
1.302 schwarze 651: * Defaults for specific list types.
652: */
653:
654: switch (type) {
655: case LIST_bullet:
656: case LIST_dash:
657: case LIST_hyphen:
658: case LIST_enum:
659: width = term_len(p, 2);
660: break;
661: case LIST_hang:
1.332 schwarze 662: case LIST_tag:
1.302 schwarze 663: width = term_len(p, 8);
664: break;
665: case LIST_column:
666: width = term_len(p, 10);
667: break;
668: default:
669: width = 0;
670: break;
671: }
672: offset = 0;
673:
674: /*
1.108 kristaps 675: * First calculate width and offset. This is pretty easy unless
676: * we're a -column list, in which case all prior columns must
677: * be accounted for.
678: */
679:
1.302 schwarze 680: if (bl->norm->Bl.offs != NULL) {
1.288 schwarze 681: offset = a2width(p, bl->norm->Bl.offs);
1.362 schwarze 682: if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
683: offset = -p->tcol->offset;
1.302 schwarze 684: else if (offset > SHRT_MAX)
685: offset = 0;
686: }
1.152 kristaps 687:
1.1 kristaps 688: switch (type) {
1.264 schwarze 689: case LIST_column:
1.314 schwarze 690: if (n->type == ROFFT_HEAD)
1.1 kristaps 691: break;
1.155 kristaps 692:
1.105 kristaps 693: /*
1.108 kristaps 694: * Imitate groff's column handling:
695: * - For each earlier column, add its width.
696: * - For less than 5 columns, add four more blanks per
697: * column.
698: * - For exactly 5 columns, add three more blank per
699: * column.
700: * - For more than 5 columns, add only one column.
1.105 kristaps 701: */
1.202 kristaps 702: ncols = bl->norm->Bl.ncols;
1.264 schwarze 703: dcol = ncols < 5 ? term_len(p, 4) :
704: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108 kristaps 705:
1.134 kristaps 706: /*
1.314 schwarze 707: * Calculate the offset by applying all prior ROFFT_BODY,
708: * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.134 kristaps 709: */
710:
1.264 schwarze 711: for (i = 0, nn = n->prev;
712: nn->prev && i < (int)ncols;
1.345 schwarze 713: nn = nn->prev, i++) {
714: SCALE_HS_INIT(&su,
715: term_strlen(p, bl->norm->Bl.cols[i]));
716: su.scale /= term_strlen(p, "0");
1.364 schwarze 717: offset += term_hen(p, &su) + dcol;
1.345 schwarze 718: }
1.105 kristaps 719:
720: /*
1.108 kristaps 721: * When exceeding the declared number of columns, leave
722: * the remaining widths at 0. This will later be
723: * adjusted to the default width of 10, or, for the last
724: * column, stretched to the right margin.
1.58 kristaps 725: */
1.108 kristaps 726: if (i >= (int)ncols)
727: break;
1.58 kristaps 728:
1.105 kristaps 729: /*
1.108 kristaps 730: * Use the declared column widths, extended as explained
731: * in the preceding paragraph.
1.105 kristaps 732: */
1.345 schwarze 733: SCALE_HS_INIT(&su, term_strlen(p, bl->norm->Bl.cols[i]));
734: su.scale /= term_strlen(p, "0");
1.364 schwarze 735: width = term_hen(p, &su) + dcol;
1.1 kristaps 736: break;
737: default:
1.202 kristaps 738: if (NULL == bl->norm->Bl.width)
1.108 kristaps 739: break;
740:
1.264 schwarze 741: /*
1.108 kristaps 742: * Note: buffer the width by 2, which is groff's magic
743: * number for buffering single arguments. See the above
744: * handling for column for how this changes.
745: */
1.202 kristaps 746: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.362 schwarze 747: if (width < 0 && (size_t)(-width) > p->tcol->offset)
748: width = -p->tcol->offset;
1.302 schwarze 749: else if (width > SHRT_MAX)
750: width = 0;
1.1 kristaps 751: break;
752: }
753:
1.264 schwarze 754: /*
1.17 kristaps 755: * Whitespace control. Inset bodies need an initial space,
756: * while diagonal bodies need two.
1.1 kristaps 757: */
758:
1.51 kristaps 759: p->flags |= TERMP_NOSPACE;
760:
1.1 kristaps 761: switch (type) {
1.264 schwarze 762: case LIST_diag:
1.314 schwarze 763: if (n->type == ROFFT_BODY)
1.62 kristaps 764: term_word(p, "\\ \\ ");
1.51 kristaps 765: break;
1.264 schwarze 766: case LIST_inset:
1.331 schwarze 767: if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.51 kristaps 768: term_word(p, "\\ ");
1.1 kristaps 769: break;
770: default:
771: break;
772: }
773:
1.51 kristaps 774: p->flags |= TERMP_NOSPACE;
775:
1.1 kristaps 776: switch (type) {
1.264 schwarze 777: case LIST_diag:
1.314 schwarze 778: if (n->type == ROFFT_HEAD)
1.102 kristaps 779: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 780: break;
781: default:
782: break;
783: }
784:
785: /*
1.109 kristaps 786: * Pad and break control. This is the tricky part. These flags
787: * are documented in term_flushln() in term.c. Note that we're
788: * going to unset all of these flags in termp_it_post() when we
789: * exit.
1.1 kristaps 790: */
791:
792: switch (type) {
1.264 schwarze 793: case LIST_enum:
1.329 schwarze 794: case LIST_bullet:
795: case LIST_dash:
796: case LIST_hyphen:
1.360 schwarze 797: if (n->type == ROFFT_HEAD) {
798: p->flags |= TERMP_NOBREAK | TERMP_HANG;
799: p->trailspace = 1;
800: } else if (width <= (int)term_len(p, 2))
801: p->flags |= TERMP_NOPAD;
1.39 kristaps 802: break;
1.264 schwarze 803: case LIST_hang:
1.314 schwarze 804: if (n->type != ROFFT_HEAD)
1.59 kristaps 805: break;
1.263 schwarze 806: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250 schwarze 807: p->trailspace = 1;
1.39 kristaps 808: break;
1.264 schwarze 809: case LIST_tag:
1.314 schwarze 810: if (n->type != ROFFT_HEAD)
1.39 kristaps 811: break;
1.250 schwarze 812:
1.326 schwarze 813: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.250 schwarze 814: p->trailspace = 2;
815:
1.86 kristaps 816: if (NULL == n->next || NULL == n->next->child)
1.360 schwarze 817: p->flags |= TERMP_HANG;
1.1 kristaps 818: break;
1.264 schwarze 819: case LIST_column:
1.314 schwarze 820: if (n->type == ROFFT_HEAD)
1.134 kristaps 821: break;
822:
1.250 schwarze 823: if (NULL == n->next) {
1.134 kristaps 824: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 825: p->trailspace = 0;
826: } else {
1.134 kristaps 827: p->flags |= TERMP_NOBREAK;
1.250 schwarze 828: p->trailspace = 1;
829: }
1.134 kristaps 830:
1.1 kristaps 831: break;
1.264 schwarze 832: case LIST_diag:
1.314 schwarze 833: if (n->type != ROFFT_HEAD)
1.250 schwarze 834: break;
1.263 schwarze 835: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 836: p->trailspace = 1;
1.1 kristaps 837: break;
838: default:
839: break;
840: }
841:
1.264 schwarze 842: /*
1.1 kristaps 843: * Margin control. Set-head-width lists have their right
844: * margins shortened. The body for these lists has the offset
845: * necessarily lengthened. Everybody gets the offset.
846: */
847:
1.362 schwarze 848: p->tcol->offset += offset;
1.1 kristaps 849:
850: switch (type) {
1.264 schwarze 851: case LIST_bullet:
852: case LIST_dash:
853: case LIST_enum:
854: case LIST_hyphen:
1.360 schwarze 855: case LIST_hang:
1.264 schwarze 856: case LIST_tag:
1.314 schwarze 857: if (n->type == ROFFT_HEAD)
1.362 schwarze 858: p->tcol->rmargin = p->tcol->offset + width;
1.292 schwarze 859: else
1.362 schwarze 860: p->tcol->offset += width;
1.1 kristaps 861: break;
1.264 schwarze 862: case LIST_column:
1.49 kristaps 863: assert(width);
1.362 schwarze 864: p->tcol->rmargin = p->tcol->offset + width;
1.264 schwarze 865: /*
1.50 kristaps 866: * XXX - this behaviour is not documented: the
867: * right-most column is filled to the right margin.
868: */
1.314 schwarze 869: if (n->type == ROFFT_HEAD)
1.134 kristaps 870: break;
1.362 schwarze 871: if (n->next == NULL && p->tcol->rmargin < p->maxrmargin)
872: p->tcol->rmargin = p->maxrmargin;
1.1 kristaps 873: break;
874: default:
875: break;
876: }
877:
1.264 schwarze 878: /*
1.1 kristaps 879: * The dash, hyphen, bullet and enum lists all have a special
1.264 schwarze 880: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 881: */
882:
1.314 schwarze 883: if (n->type == ROFFT_HEAD)
1.1 kristaps 884: switch (type) {
1.264 schwarze 885: case LIST_bullet:
1.102 kristaps 886: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 887: term_word(p, "\\[bu]");
1.102 kristaps 888: term_fontpop(p);
1.1 kristaps 889: break;
1.264 schwarze 890: case LIST_dash:
891: case LIST_hyphen:
1.102 kristaps 892: term_fontpush(p, TERMFONT_BOLD);
1.330 schwarze 893: term_word(p, "-");
1.102 kristaps 894: term_fontpop(p);
1.1 kristaps 895: break;
1.264 schwarze 896: case LIST_enum:
1.1 kristaps 897: (pair->ppair->ppair->count)++;
1.265 schwarze 898: (void)snprintf(buf, sizeof(buf), "%d.",
1.264 schwarze 899: pair->ppair->ppair->count);
1.1 kristaps 900: term_word(p, buf);
901: break;
902: default:
903: break;
904: }
905:
1.264 schwarze 906: /*
1.1 kristaps 907: * If we're not going to process our children, indicate so here.
908: */
909:
910: switch (type) {
1.264 schwarze 911: case LIST_bullet:
912: case LIST_item:
913: case LIST_dash:
914: case LIST_hyphen:
915: case LIST_enum:
1.314 schwarze 916: if (n->type == ROFFT_HEAD)
1.328 schwarze 917: return 0;
1.1 kristaps 918: break;
1.264 schwarze 919: case LIST_column:
1.314 schwarze 920: if (n->type == ROFFT_HEAD)
1.328 schwarze 921: return 0;
1.360 schwarze 922: p->minbl = 0;
1.1 kristaps 923: break;
924: default:
925: break;
926: }
927:
1.328 schwarze 928: return 1;
1.1 kristaps 929: }
930:
931: static void
932: termp_it_post(DECL_ARGS)
933: {
1.126 kristaps 934: enum mdoc_list type;
1.1 kristaps 935:
1.314 schwarze 936: if (n->type == ROFFT_BLOCK)
1.1 kristaps 937: return;
938:
1.202 kristaps 939: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 940:
941: switch (type) {
1.264 schwarze 942: case LIST_item:
943: case LIST_diag:
944: case LIST_inset:
1.314 schwarze 945: if (n->type == ROFFT_BODY)
1.130 schwarze 946: term_newln(p);
1.1 kristaps 947: break;
1.264 schwarze 948: case LIST_column:
1.314 schwarze 949: if (n->type == ROFFT_BODY)
1.1 kristaps 950: term_flushln(p);
951: break;
952: default:
1.130 schwarze 953: term_newln(p);
1.1 kristaps 954: break;
955: }
956:
1.264 schwarze 957: /*
1.109 kristaps 958: * Now that our output is flushed, we can reset our tags. Since
959: * only `It' sets these flags, we're free to assume that nobody
960: * has munged them in the meanwhile.
961: */
962:
1.360 schwarze 963: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 964: p->trailspace = 0;
1.1 kristaps 965: }
966:
967: static int
968: termp_nm_pre(DECL_ARGS)
969: {
1.296 schwarze 970: const char *cp;
1.1 kristaps 971:
1.314 schwarze 972: if (n->type == ROFFT_BLOCK) {
1.253 schwarze 973: p->flags |= TERMP_PREKEEP;
1.328 schwarze 974: return 1;
1.253 schwarze 975: }
1.164 schwarze 976:
1.314 schwarze 977: if (n->type == ROFFT_BODY) {
1.362 schwarze 978: if (n->child == NULL)
1.328 schwarze 979: return 0;
1.234 schwarze 980: p->flags |= TERMP_NOSPACE;
1.296 schwarze 981: cp = NULL;
982: if (n->prev->child != NULL)
983: cp = n->prev->child->string;
984: if (cp == NULL)
985: cp = meta->name;
986: if (cp == NULL)
1.362 schwarze 987: p->tcol->offset += term_len(p, 6);
1.296 schwarze 988: else
1.362 schwarze 989: p->tcol->offset += term_len(p, 1) +
990: term_strlen(p, cp);
1.328 schwarze 991: return 1;
1.164 schwarze 992: }
993:
1.343 schwarze 994: if (n->child == NULL)
1.328 schwarze 995: return 0;
1.125 kristaps 996:
1.314 schwarze 997: if (n->type == ROFFT_HEAD)
1.177 schwarze 998: synopsis_pre(p, n->parent);
1.102 kristaps 999:
1.314 schwarze 1000: if (n->type == ROFFT_HEAD &&
1.362 schwarze 1001: n->next != NULL && n->next->child != NULL) {
1.263 schwarze 1002: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 1003: p->trailspace = 1;
1.362 schwarze 1004: p->tcol->rmargin = p->tcol->offset + term_len(p, 1);
1005: if (n->child == NULL)
1006: p->tcol->rmargin += term_strlen(p, meta->name);
1007: else if (n->child->type == ROFFT_TEXT) {
1008: p->tcol->rmargin += term_strlen(p, n->child->string);
1009: if (n->child->next != NULL)
1.185 schwarze 1010: p->flags |= TERMP_HANG;
1011: } else {
1.362 schwarze 1012: p->tcol->rmargin += term_len(p, 5);
1.185 schwarze 1013: p->flags |= TERMP_HANG;
1014: }
1.164 schwarze 1015: }
1016:
1.102 kristaps 1017: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1018: return 1;
1.1 kristaps 1019: }
1020:
1.164 schwarze 1021: static void
1022: termp_nm_post(DECL_ARGS)
1023: {
1024:
1.314 schwarze 1025: if (n->type == ROFFT_BLOCK) {
1.253 schwarze 1026: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.314 schwarze 1027: } else if (n->type == ROFFT_HEAD &&
1.278 schwarze 1028: NULL != n->next && NULL != n->next->child) {
1.164 schwarze 1029: term_flushln(p);
1.263 schwarze 1030: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 1031: p->trailspace = 0;
1.314 schwarze 1032: } else if (n->type == ROFFT_BODY && n->child != NULL)
1.164 schwarze 1033: term_flushln(p);
1034: }
1035:
1.1 kristaps 1036: static int
1037: termp_fl_pre(DECL_ARGS)
1038: {
1039:
1.320 schwarze 1040: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1041: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1042: term_word(p, "\\-");
1.103 kristaps 1043:
1.331 schwarze 1044: if (!(n->child == NULL &&
1.280 schwarze 1045: (n->next == NULL ||
1.314 schwarze 1046: n->next->type == ROFFT_TEXT ||
1.338 schwarze 1047: n->next->flags & NODE_LINE)))
1.103 kristaps 1048: p->flags |= TERMP_NOSPACE;
1049:
1.328 schwarze 1050: return 1;
1.1 kristaps 1051: }
1052:
1053: static int
1.184 kristaps 1054: termp__a_pre(DECL_ARGS)
1055: {
1056:
1057: if (n->prev && MDOC__A == n->prev->tok)
1058: if (NULL == n->next || MDOC__A != n->next->tok)
1059: term_word(p, "and");
1060:
1.328 schwarze 1061: return 1;
1.184 kristaps 1062: }
1063:
1064: static int
1.61 kristaps 1065: termp_an_pre(DECL_ARGS)
1066: {
1067:
1.282 schwarze 1068: if (n->norm->An.auth == AUTH_split) {
1069: p->flags &= ~TERMP_NOSPLIT;
1070: p->flags |= TERMP_SPLIT;
1.328 schwarze 1071: return 0;
1.282 schwarze 1072: }
1073: if (n->norm->An.auth == AUTH_nosplit) {
1074: p->flags &= ~TERMP_SPLIT;
1075: p->flags |= TERMP_NOSPLIT;
1.328 schwarze 1076: return 0;
1.282 schwarze 1077: }
1.264 schwarze 1078:
1.282 schwarze 1079: if (p->flags & TERMP_SPLIT)
1.61 kristaps 1080: term_newln(p);
1081:
1.282 schwarze 1082: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1083: p->flags |= TERMP_SPLIT;
1.61 kristaps 1084:
1.328 schwarze 1085: return 1;
1.61 kristaps 1086: }
1087:
1088: static int
1.1 kristaps 1089: termp_ns_pre(DECL_ARGS)
1090: {
1091:
1.338 schwarze 1092: if ( ! (NODE_LINE & n->flags))
1.215 kristaps 1093: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1094: return 1;
1.1 kristaps 1095: }
1096:
1097: static int
1098: termp_rs_pre(DECL_ARGS)
1099: {
1100:
1.86 kristaps 1101: if (SEC_SEE_ALSO != n->sec)
1.328 schwarze 1102: return 1;
1.314 schwarze 1103: if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1 kristaps 1104: term_vspace(p);
1.328 schwarze 1105: return 1;
1.1 kristaps 1106: }
1107:
1108: static int
1109: termp_ex_pre(DECL_ARGS)
1110: {
1.224 kristaps 1111: term_newln(p);
1.341 schwarze 1112: return 1;
1.1 kristaps 1113: }
1114:
1115: static int
1116: termp_nd_pre(DECL_ARGS)
1117: {
1.25 kristaps 1118:
1.314 schwarze 1119: if (n->type == ROFFT_BODY)
1.297 schwarze 1120: term_word(p, "\\(en");
1.328 schwarze 1121: return 1;
1.115 kristaps 1122: }
1123:
1124: static int
1125: termp_bl_pre(DECL_ARGS)
1126: {
1127:
1.328 schwarze 1128: return n->type != ROFFT_HEAD;
1.1 kristaps 1129: }
1130:
1131: static void
1132: termp_bl_post(DECL_ARGS)
1133: {
1134:
1.356 schwarze 1135: if (n->type != ROFFT_BLOCK)
1136: return;
1137: term_newln(p);
1138: if (n->tok != MDOC_Bl || n->norm->Bl.type != LIST_column)
1139: return;
1140: term_tab_set(p, NULL);
1141: term_tab_set(p, "T");
1142: term_tab_set(p, ".5i");
1.1 kristaps 1143: }
1144:
1145: static int
1146: termp_xr_pre(DECL_ARGS)
1147: {
1148:
1.225 kristaps 1149: if (NULL == (n = n->child))
1.328 schwarze 1150: return 0;
1.113 kristaps 1151:
1.314 schwarze 1152: assert(n->type == ROFFT_TEXT);
1.225 kristaps 1153: term_word(p, n->string);
1.11 kristaps 1154:
1.264 schwarze 1155: if (NULL == (n = n->next))
1.328 schwarze 1156: return 0;
1.225 kristaps 1157:
1.1 kristaps 1158: p->flags |= TERMP_NOSPACE;
1159: term_word(p, "(");
1.222 kristaps 1160: p->flags |= TERMP_NOSPACE;
1.225 kristaps 1161:
1.314 schwarze 1162: assert(n->type == ROFFT_TEXT);
1.225 kristaps 1163: term_word(p, n->string);
1164:
1.222 kristaps 1165: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1166: term_word(p, ")");
1.86 kristaps 1167:
1.328 schwarze 1168: return 0;
1.1 kristaps 1169: }
1170:
1.143 kristaps 1171: /*
1172: * This decides how to assert whitespace before any of the SYNOPSIS set
1173: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1174: * macro combos).
1175: */
1176: static void
1.315 schwarze 1177: synopsis_pre(struct termp *p, const struct roff_node *n)
1.143 kristaps 1178: {
1.264 schwarze 1179: /*
1.143 kristaps 1180: * Obviously, if we're not in a SYNOPSIS or no prior macros
1181: * exist, do nothing.
1182: */
1.338 schwarze 1183: if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.143 kristaps 1184: return;
1185:
1186: /*
1187: * If we're the second in a pair of like elements, emit our
1188: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1189: * case we soldier on.
1190: */
1.264 schwarze 1191: if (n->prev->tok == n->tok &&
1192: MDOC_Ft != n->tok &&
1193: MDOC_Fo != n->tok &&
1194: MDOC_Fn != n->tok) {
1.143 kristaps 1195: term_newln(p);
1196: return;
1197: }
1198:
1199: /*
1200: * If we're one of the SYNOPSIS set and non-like pair-wise after
1201: * another (or Fn/Fo, which we've let slip through) then assert
1202: * vertical space, else only newline and move on.
1203: */
1204: switch (n->prev->tok) {
1.264 schwarze 1205: case MDOC_Fd:
1206: case MDOC_Fn:
1207: case MDOC_Fo:
1208: case MDOC_In:
1209: case MDOC_Vt:
1.143 kristaps 1210: term_vspace(p);
1211: break;
1.264 schwarze 1212: case MDOC_Ft:
1.143 kristaps 1213: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1214: term_vspace(p);
1215: break;
1216: }
1217: /* FALLTHROUGH */
1218: default:
1219: term_newln(p);
1220: break;
1221: }
1222: }
1223:
1.110 kristaps 1224: static int
1225: termp_vt_pre(DECL_ARGS)
1226: {
1227:
1.314 schwarze 1228: if (n->type == ROFFT_ELEM) {
1.143 kristaps 1229: synopsis_pre(p, n);
1.328 schwarze 1230: return termp_under_pre(p, pair, meta, n);
1.314 schwarze 1231: } else if (n->type == ROFFT_BLOCK) {
1.143 kristaps 1232: synopsis_pre(p, n);
1.328 schwarze 1233: return 1;
1.314 schwarze 1234: } else if (n->type == ROFFT_HEAD)
1.328 schwarze 1235: return 0;
1.110 kristaps 1236:
1.328 schwarze 1237: return termp_under_pre(p, pair, meta, n);
1.110 kristaps 1238: }
1239:
1.1 kristaps 1240: static int
1.69 kristaps 1241: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1242: {
1243:
1.320 schwarze 1244: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1245: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1246: return 1;
1.1 kristaps 1247: }
1248:
1.143 kristaps 1249: static int
1250: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1251: {
1252:
1.143 kristaps 1253: synopsis_pre(p, n);
1.328 schwarze 1254: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1255: }
1256:
1.241 schwarze 1257: static void
1258: termp_fd_post(DECL_ARGS)
1259: {
1260:
1261: term_newln(p);
1262: }
1263:
1.1 kristaps 1264: static int
1265: termp_sh_pre(DECL_ARGS)
1266: {
1.85 kristaps 1267:
1.86 kristaps 1268: switch (n->type) {
1.314 schwarze 1269: case ROFFT_BLOCK:
1.293 schwarze 1270: /*
1271: * Vertical space before sections, except
1272: * when the previous section was empty.
1273: */
1274: if (n->prev == NULL ||
1.322 schwarze 1275: n->prev->tok != MDOC_Sh ||
1.293 schwarze 1276: (n->prev->body != NULL &&
1277: n->prev->body->child != NULL))
1278: term_vspace(p);
1.65 kristaps 1279: break;
1.314 schwarze 1280: case ROFFT_HEAD:
1.102 kristaps 1281: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1282: break;
1.314 schwarze 1283: case ROFFT_BODY:
1.362 schwarze 1284: p->tcol->offset = term_len(p, p->defindent);
1.356 schwarze 1285: term_tab_set(p, NULL);
1286: term_tab_set(p, "T");
1287: term_tab_set(p, ".5i");
1.322 schwarze 1288: switch (n->sec) {
1289: case SEC_DESCRIPTION:
1290: fn_prio = 0;
1291: break;
1292: case SEC_AUTHORS:
1.239 schwarze 1293: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.322 schwarze 1294: break;
1295: default:
1296: break;
1297: }
1.1 kristaps 1298: break;
1299: default:
1300: break;
1301: }
1.328 schwarze 1302: return 1;
1.1 kristaps 1303: }
1304:
1305: static void
1306: termp_sh_post(DECL_ARGS)
1307: {
1308:
1.86 kristaps 1309: switch (n->type) {
1.314 schwarze 1310: case ROFFT_HEAD:
1.1 kristaps 1311: term_newln(p);
1312: break;
1.314 schwarze 1313: case ROFFT_BODY:
1.1 kristaps 1314: term_newln(p);
1.362 schwarze 1315: p->tcol->offset = 0;
1.1 kristaps 1316: break;
1317: default:
1318: break;
1319: }
1320: }
1321:
1322: static void
1323: termp_lb_post(DECL_ARGS)
1324: {
1325:
1.338 schwarze 1326: if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
1.81 kristaps 1327: term_newln(p);
1.1 kristaps 1328: }
1329:
1330: static int
1331: termp_d1_pre(DECL_ARGS)
1332: {
1333:
1.314 schwarze 1334: if (n->type != ROFFT_BLOCK)
1.328 schwarze 1335: return 1;
1.1 kristaps 1336: term_newln(p);
1.362 schwarze 1337: p->tcol->offset += term_len(p, p->defindent + 1);
1.356 schwarze 1338: term_tab_set(p, NULL);
1339: term_tab_set(p, "T");
1340: term_tab_set(p, ".5i");
1.328 schwarze 1341: return 1;
1.1 kristaps 1342: }
1343:
1344: static int
1345: termp_ft_pre(DECL_ARGS)
1346: {
1347:
1.338 schwarze 1348: /* NB: NODE_LINE does not effect this! */
1.143 kristaps 1349: synopsis_pre(p, n);
1.102 kristaps 1350: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 1351: return 1;
1.1 kristaps 1352: }
1353:
1354: static int
1355: termp_fn_pre(DECL_ARGS)
1356: {
1.257 schwarze 1357: size_t rmargin = 0;
1.226 kristaps 1358: int pretty;
1359:
1.338 schwarze 1360: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1361:
1.143 kristaps 1362: synopsis_pre(p, n);
1.139 kristaps 1363:
1.226 kristaps 1364: if (NULL == (n = n->child))
1.328 schwarze 1365: return 0;
1.226 kristaps 1366:
1.251 schwarze 1367: if (pretty) {
1.362 schwarze 1368: rmargin = p->tcol->rmargin;
1369: p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
1.263 schwarze 1370: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251 schwarze 1371: }
1372:
1.314 schwarze 1373: assert(n->type == ROFFT_TEXT);
1.102 kristaps 1374: term_fontpush(p, TERMFONT_BOLD);
1.226 kristaps 1375: term_word(p, n->string);
1.102 kristaps 1376: term_fontpop(p);
1.1 kristaps 1377:
1.336 schwarze 1378: if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.324 schwarze 1379: tag_put(n->string, ++fn_prio, p->line);
1.322 schwarze 1380:
1.251 schwarze 1381: if (pretty) {
1382: term_flushln(p);
1.263 schwarze 1383: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.360 schwarze 1384: p->flags |= TERMP_NOPAD;
1.362 schwarze 1385: p->tcol->offset = p->tcol->rmargin;
1386: p->tcol->rmargin = rmargin;
1.251 schwarze 1387: }
1388:
1.1 kristaps 1389: p->flags |= TERMP_NOSPACE;
1390: term_word(p, "(");
1.222 kristaps 1391: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1392:
1.226 kristaps 1393: for (n = n->next; n; n = n->next) {
1.314 schwarze 1394: assert(n->type == ROFFT_TEXT);
1.102 kristaps 1395: term_fontpush(p, TERMFONT_UNDER);
1.255 schwarze 1396: if (pretty)
1397: p->flags |= TERMP_NBRWORD;
1.226 kristaps 1398: term_word(p, n->string);
1.102 kristaps 1399: term_fontpop(p);
1400:
1.226 kristaps 1401: if (n->next) {
1.222 kristaps 1402: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1403: term_word(p, ",");
1.222 kristaps 1404: }
1.1 kristaps 1405: }
1406:
1.222 kristaps 1407: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1408: term_word(p, ")");
1409:
1.226 kristaps 1410: if (pretty) {
1.222 kristaps 1411: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1412: term_word(p, ";");
1.251 schwarze 1413: term_flushln(p);
1.222 kristaps 1414: }
1.1 kristaps 1415:
1.328 schwarze 1416: return 0;
1.1 kristaps 1417: }
1418:
1419: static int
1420: termp_fa_pre(DECL_ARGS)
1421: {
1.315 schwarze 1422: const struct roff_node *nn;
1.1 kristaps 1423:
1.86 kristaps 1424: if (n->parent->tok != MDOC_Fo) {
1.102 kristaps 1425: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 1426: return 1;
1.1 kristaps 1427: }
1428:
1.86 kristaps 1429: for (nn = n->child; nn; nn = nn->next) {
1.102 kristaps 1430: term_fontpush(p, TERMFONT_UNDER);
1.258 schwarze 1431: p->flags |= TERMP_NBRWORD;
1.86 kristaps 1432: term_word(p, nn->string);
1.102 kristaps 1433: term_fontpop(p);
1434:
1.256 schwarze 1435: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222 kristaps 1436: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1437: term_word(p, ",");
1.222 kristaps 1438: }
1.1 kristaps 1439: }
1440:
1.328 schwarze 1441: return 0;
1.1 kristaps 1442: }
1443:
1444: static int
1445: termp_bd_pre(DECL_ARGS)
1446: {
1.302 schwarze 1447: int offset;
1.1 kristaps 1448:
1.314 schwarze 1449: if (n->type == ROFFT_BLOCK) {
1.151 kristaps 1450: print_bvspace(p, n, n);
1.328 schwarze 1451: return 1;
1.314 schwarze 1452: } else if (n->type == ROFFT_HEAD)
1.328 schwarze 1453: return 0;
1.1 kristaps 1454:
1.288 schwarze 1455: /* Handle the -offset argument. */
1456:
1457: if (n->norm->Bd.offs == NULL ||
1458: ! strcmp(n->norm->Bd.offs, "left"))
1459: /* nothing */;
1460: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1.362 schwarze 1461: p->tcol->offset += term_len(p, p->defindent + 1);
1.288 schwarze 1462: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1.362 schwarze 1463: p->tcol->offset += term_len(p, (p->defindent + 1) * 2);
1.302 schwarze 1464: else {
1465: offset = a2width(p, n->norm->Bd.offs);
1.362 schwarze 1466: if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
1467: p->tcol->offset = 0;
1.302 schwarze 1468: else if (offset < SHRT_MAX)
1.362 schwarze 1469: p->tcol->offset += offset;
1.302 schwarze 1470: }
1.85 kristaps 1471:
1.372 ! schwarze 1472: switch (n->norm->Bd.type) {
! 1473: case DISP_literal:
1.356 schwarze 1474: term_tab_set(p, NULL);
1475: term_tab_set(p, "T");
1476: term_tab_set(p, "8n");
1.372 ! schwarze 1477: break;
! 1478: case DISP_centered:
! 1479: p->flags |= TERMP_CENTER;
! 1480: break;
! 1481: default:
! 1482: break;
1.356 schwarze 1483: }
1.372 ! schwarze 1484: return 1;
1.1 kristaps 1485: }
1486:
1487: static void
1488: termp_bd_post(DECL_ARGS)
1489: {
1.314 schwarze 1490: if (n->type != ROFFT_BODY)
1.1 kristaps 1491: return;
1.372 ! schwarze 1492: if (n->norm->Bd.type == DISP_unfilled ||
! 1493: n->norm->Bd.type == DISP_literal)
1.361 schwarze 1494: p->flags |= TERMP_BRNEVER;
1.60 kristaps 1495: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1496: term_newln(p);
1.361 schwarze 1497: p->flags &= ~TERMP_BRNEVER;
1.372 ! schwarze 1498: if (n->norm->Bd.type == DISP_centered)
! 1499: p->flags &= ~TERMP_CENTER;
1.1 kristaps 1500: }
1501:
1502: static int
1.26 kristaps 1503: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1504: {
1.339 schwarze 1505: if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
1506: p->flags |= TERMP_PREKEEP;
1507: return 1;
1508: }
1.1 kristaps 1509:
1.339 schwarze 1510: static void
1511: termp_xx_post(DECL_ARGS)
1512: {
1513: if (n->aux == 0)
1514: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1 kristaps 1515: }
1516:
1517: static void
1518: termp_pf_post(DECL_ARGS)
1519: {
1520:
1.338 schwarze 1521: if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.298 schwarze 1522: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1523: }
1524:
1525: static int
1526: termp_ss_pre(DECL_ARGS)
1527: {
1.337 schwarze 1528: struct roff_node *nn;
1.1 kristaps 1529:
1.86 kristaps 1530: switch (n->type) {
1.314 schwarze 1531: case ROFFT_BLOCK:
1.1 kristaps 1532: term_newln(p);
1.337 schwarze 1533: for (nn = n->prev; nn != NULL; nn = nn->prev)
1.367 schwarze 1534: if (nn->type != ROFFT_COMMENT &&
1535: (nn->flags & NODE_NOPRT) == 0)
1.337 schwarze 1536: break;
1537: if (nn != NULL)
1.1 kristaps 1538: term_vspace(p);
1539: break;
1.314 schwarze 1540: case ROFFT_HEAD:
1.102 kristaps 1541: term_fontpush(p, TERMFONT_BOLD);
1.362 schwarze 1542: p->tcol->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1543: break;
1.314 schwarze 1544: case ROFFT_BODY:
1.362 schwarze 1545: p->tcol->offset = term_len(p, p->defindent);
1.356 schwarze 1546: term_tab_set(p, NULL);
1547: term_tab_set(p, "T");
1548: term_tab_set(p, ".5i");
1.274 schwarze 1549: break;
1.1 kristaps 1550: default:
1551: break;
1552: }
1553:
1.328 schwarze 1554: return 1;
1.1 kristaps 1555: }
1556:
1557: static void
1558: termp_ss_post(DECL_ARGS)
1559: {
1560:
1.314 schwarze 1561: if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1 kristaps 1562: term_newln(p);
1563: }
1564:
1565: static int
1566: termp_cd_pre(DECL_ARGS)
1567: {
1568:
1.143 kristaps 1569: synopsis_pre(p, n);
1.102 kristaps 1570: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1571: return 1;
1.1 kristaps 1572: }
1573:
1574: static int
1575: termp_in_pre(DECL_ARGS)
1576: {
1.142 schwarze 1577:
1.143 kristaps 1578: synopsis_pre(p, n);
1.1 kristaps 1579:
1.338 schwarze 1580: if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
1.138 kristaps 1581: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1582: term_word(p, "#include");
1.138 kristaps 1583: term_word(p, "<");
1584: } else {
1585: term_word(p, "<");
1586: term_fontpush(p, TERMFONT_UNDER);
1587: }
1.22 kristaps 1588:
1.1 kristaps 1589: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1590: return 1;
1.1 kristaps 1591: }
1592:
1593: static void
1594: termp_in_post(DECL_ARGS)
1595: {
1596:
1.338 schwarze 1597: if (NODE_SYNPRETTY & n->flags)
1.138 kristaps 1598: term_fontpush(p, TERMFONT_BOLD);
1599:
1.79 kristaps 1600: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1601: term_word(p, ">");
1602:
1.338 schwarze 1603: if (NODE_SYNPRETTY & n->flags)
1.138 kristaps 1604: term_fontpop(p);
1.1 kristaps 1605: }
1606:
1607: static int
1.355 schwarze 1608: termp_pp_pre(DECL_ARGS)
1.45 kristaps 1609: {
1.355 schwarze 1610: fn_prio = 0;
1611: term_vspace(p);
1.328 schwarze 1612: return 0;
1.45 kristaps 1613: }
1614:
1615: static int
1.294 schwarze 1616: termp_skip_pre(DECL_ARGS)
1.268 schwarze 1617: {
1618:
1.328 schwarze 1619: return 0;
1.268 schwarze 1620: }
1621:
1622: static int
1.188 kristaps 1623: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1624: {
1625:
1.314 schwarze 1626: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.328 schwarze 1627: return 1;
1.1 kristaps 1628:
1.188 kristaps 1629: switch (n->tok) {
1.264 schwarze 1630: case MDOC_Ao:
1631: case MDOC_Aq:
1.331 schwarze 1632: term_word(p, n->child != NULL && n->child->next == NULL &&
1.303 schwarze 1633: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.188 kristaps 1634: break;
1.264 schwarze 1635: case MDOC_Bro:
1636: case MDOC_Brq:
1.188 kristaps 1637: term_word(p, "{");
1638: break;
1.264 schwarze 1639: case MDOC_Oo:
1640: case MDOC_Op:
1641: case MDOC_Bo:
1642: case MDOC_Bq:
1.188 kristaps 1643: term_word(p, "[");
1644: break;
1.346 schwarze 1645: case MDOC__T:
1646: /* FALLTHROUGH */
1.264 schwarze 1647: case MDOC_Do:
1648: case MDOC_Dq:
1.366 schwarze 1649: term_word(p, "\\(lq");
1.188 kristaps 1650: break;
1.268 schwarze 1651: case MDOC_En:
1652: if (NULL == n->norm->Es ||
1653: NULL == n->norm->Es->child)
1.328 schwarze 1654: return 1;
1.268 schwarze 1655: term_word(p, n->norm->Es->child->string);
1656: break;
1.264 schwarze 1657: case MDOC_Po:
1658: case MDOC_Pq:
1.188 kristaps 1659: term_word(p, "(");
1660: break;
1.264 schwarze 1661: case MDOC_Qo:
1662: case MDOC_Qq:
1.188 kristaps 1663: term_word(p, "\"");
1664: break;
1.264 schwarze 1665: case MDOC_Ql:
1666: case MDOC_So:
1667: case MDOC_Sq:
1.249 schwarze 1668: term_word(p, "\\(oq");
1.188 kristaps 1669: break;
1670: default:
1671: abort();
1672: }
1.1 kristaps 1673:
1674: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1675: return 1;
1.1 kristaps 1676: }
1677:
1678: static void
1.188 kristaps 1679: termp_quote_post(DECL_ARGS)
1.1 kristaps 1680: {
1681:
1.314 schwarze 1682: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1 kristaps 1683: return;
1684:
1.306 schwarze 1685: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1686:
1.188 kristaps 1687: switch (n->tok) {
1.264 schwarze 1688: case MDOC_Ao:
1689: case MDOC_Aq:
1.331 schwarze 1690: term_word(p, n->child != NULL && n->child->next == NULL &&
1.303 schwarze 1691: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.188 kristaps 1692: break;
1.264 schwarze 1693: case MDOC_Bro:
1694: case MDOC_Brq:
1.188 kristaps 1695: term_word(p, "}");
1696: break;
1.264 schwarze 1697: case MDOC_Oo:
1698: case MDOC_Op:
1699: case MDOC_Bo:
1700: case MDOC_Bq:
1.188 kristaps 1701: term_word(p, "]");
1702: break;
1.346 schwarze 1703: case MDOC__T:
1704: /* FALLTHROUGH */
1.264 schwarze 1705: case MDOC_Do:
1706: case MDOC_Dq:
1.366 schwarze 1707: term_word(p, "\\(rq");
1.268 schwarze 1708: break;
1709: case MDOC_En:
1.306 schwarze 1710: if (n->norm->Es == NULL ||
1711: n->norm->Es->child == NULL ||
1712: n->norm->Es->child->next == NULL)
1713: p->flags &= ~TERMP_NOSPACE;
1714: else
1.268 schwarze 1715: term_word(p, n->norm->Es->child->next->string);
1.188 kristaps 1716: break;
1.264 schwarze 1717: case MDOC_Po:
1718: case MDOC_Pq:
1.188 kristaps 1719: term_word(p, ")");
1720: break;
1.264 schwarze 1721: case MDOC_Qo:
1722: case MDOC_Qq:
1.188 kristaps 1723: term_word(p, "\"");
1724: break;
1.264 schwarze 1725: case MDOC_Ql:
1726: case MDOC_So:
1727: case MDOC_Sq:
1.249 schwarze 1728: term_word(p, "\\(cq");
1.188 kristaps 1729: break;
1730: default:
1731: abort();
1732: }
1.306 schwarze 1733: }
1734:
1735: static int
1736: termp_eo_pre(DECL_ARGS)
1737: {
1738:
1.314 schwarze 1739: if (n->type != ROFFT_BODY)
1.328 schwarze 1740: return 1;
1.306 schwarze 1741:
1742: if (n->end == ENDBODY_NOT &&
1743: n->parent->head->child == NULL &&
1744: n->child != NULL &&
1745: n->child->end != ENDBODY_NOT)
1746: term_word(p, "\\&");
1747: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.309 schwarze 1748: n->parent->head->child != NULL && (n->child != NULL ||
1749: (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.306 schwarze 1750: p->flags |= TERMP_NOSPACE;
1751:
1.328 schwarze 1752: return 1;
1.306 schwarze 1753: }
1754:
1755: static void
1756: termp_eo_post(DECL_ARGS)
1757: {
1758: int body, tail;
1759:
1.314 schwarze 1760: if (n->type != ROFFT_BODY)
1.306 schwarze 1761: return;
1762:
1763: if (n->end != ENDBODY_NOT) {
1764: p->flags &= ~TERMP_NOSPACE;
1765: return;
1766: }
1767:
1768: body = n->child != NULL || n->parent->head->child != NULL;
1769: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1770:
1771: if (body && tail)
1772: p->flags |= TERMP_NOSPACE;
1773: else if ( ! (body || tail))
1774: term_word(p, "\\&");
1775: else if ( ! tail)
1776: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1777: }
1778:
1779: static int
1780: termp_fo_pre(DECL_ARGS)
1781: {
1.257 schwarze 1782: size_t rmargin = 0;
1.256 schwarze 1783: int pretty;
1784:
1.338 schwarze 1785: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1786:
1.314 schwarze 1787: if (n->type == ROFFT_BLOCK) {
1.143 kristaps 1788: synopsis_pre(p, n);
1.328 schwarze 1789: return 1;
1.314 schwarze 1790: } else if (n->type == ROFFT_BODY) {
1.256 schwarze 1791: if (pretty) {
1.362 schwarze 1792: rmargin = p->tcol->rmargin;
1793: p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
1.263 schwarze 1794: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1795: TERMP_HANG;
1.256 schwarze 1796: }
1.33 kristaps 1797: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1798: term_word(p, "(");
1.222 kristaps 1799: p->flags |= TERMP_NOSPACE;
1.256 schwarze 1800: if (pretty) {
1801: term_flushln(p);
1.263 schwarze 1802: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1803: TERMP_HANG);
1.360 schwarze 1804: p->flags |= TERMP_NOPAD;
1.362 schwarze 1805: p->tcol->offset = p->tcol->rmargin;
1806: p->tcol->rmargin = rmargin;
1.256 schwarze 1807: }
1.328 schwarze 1808: return 1;
1.256 schwarze 1809: }
1.141 kristaps 1810:
1.169 kristaps 1811: if (NULL == n->child)
1.328 schwarze 1812: return 0;
1.169 kristaps 1813:
1.141 kristaps 1814: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 1815:
1.141 kristaps 1816: assert(n->child->string);
1.102 kristaps 1817: term_fontpush(p, TERMFONT_BOLD);
1.141 kristaps 1818: term_word(p, n->child->string);
1.328 schwarze 1819: return 0;
1.1 kristaps 1820: }
1821:
1822: static void
1823: termp_fo_post(DECL_ARGS)
1824: {
1825:
1.314 schwarze 1826: if (n->type != ROFFT_BODY)
1.143 kristaps 1827: return;
1828:
1.222 kristaps 1829: p->flags |= TERMP_NOSPACE;
1.143 kristaps 1830: term_word(p, ")");
1831:
1.338 schwarze 1832: if (NODE_SYNPRETTY & n->flags) {
1.222 kristaps 1833: p->flags |= TERMP_NOSPACE;
1.143 kristaps 1834: term_word(p, ";");
1.256 schwarze 1835: term_flushln(p);
1.222 kristaps 1836: }
1.1 kristaps 1837: }
1838:
1839: static int
1840: termp_bf_pre(DECL_ARGS)
1841: {
1842:
1.314 schwarze 1843: if (n->type == ROFFT_HEAD)
1.328 schwarze 1844: return 0;
1.314 schwarze 1845: else if (n->type != ROFFT_BODY)
1.328 schwarze 1846: return 1;
1.1 kristaps 1847:
1.264 schwarze 1848: if (FONT_Em == n->norm->Bf.font)
1.102 kristaps 1849: term_fontpush(p, TERMFONT_UNDER);
1.264 schwarze 1850: else if (FONT_Sy == n->norm->Bf.font)
1.102 kristaps 1851: term_fontpush(p, TERMFONT_BOLD);
1.264 schwarze 1852: else
1.102 kristaps 1853: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 1854:
1.328 schwarze 1855: return 1;
1.1 kristaps 1856: }
1857:
1858: static int
1859: termp_sm_pre(DECL_ARGS)
1860: {
1861:
1.269 schwarze 1862: if (NULL == n->child)
1863: p->flags ^= TERMP_NONOSPACE;
1864: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 1865: p->flags &= ~TERMP_NONOSPACE;
1.269 schwarze 1866: else
1.1 kristaps 1867: p->flags |= TERMP_NONOSPACE;
1.269 schwarze 1868:
1869: if (p->col && ! (TERMP_NONOSPACE & p->flags))
1870: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1871:
1.328 schwarze 1872: return 0;
1.1 kristaps 1873: }
1874:
1875: static int
1876: termp_ap_pre(DECL_ARGS)
1877: {
1878:
1879: p->flags |= TERMP_NOSPACE;
1.188 kristaps 1880: term_word(p, "'");
1.1 kristaps 1881: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1882: return 1;
1.1 kristaps 1883: }
1884:
1885: static void
1886: termp____post(DECL_ARGS)
1887: {
1.184 kristaps 1888:
1889: /*
1890: * Handle lists of authors. In general, print each followed by
1891: * a comma. Don't print the comma if there are only two
1892: * authors.
1893: */
1894: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
1895: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
1896: if (NULL == n->prev || MDOC__A != n->prev->tok)
1897: return;
1.1 kristaps 1898:
1.95 kristaps 1899: /* TODO: %U. */
1900:
1.187 kristaps 1901: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
1902: return;
1903:
1.222 kristaps 1904: p->flags |= TERMP_NOSPACE;
1.186 kristaps 1905: if (NULL == n->next) {
1906: term_word(p, ".");
1907: p->flags |= TERMP_SENTENCE;
1908: } else
1909: term_word(p, ",");
1.1 kristaps 1910: }
1911:
1912: static int
1.102 kristaps 1913: termp_li_pre(DECL_ARGS)
1914: {
1915:
1.335 schwarze 1916: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1917: term_fontpush(p, TERMFONT_NONE);
1.328 schwarze 1918: return 1;
1.102 kristaps 1919: }
1920:
1921: static int
1.1 kristaps 1922: termp_lk_pre(DECL_ARGS)
1923: {
1.358 schwarze 1924: const struct roff_node *link, *descr, *punct;
1.1 kristaps 1925:
1.349 schwarze 1926: if ((link = n->child) == NULL)
1.328 schwarze 1927: return 0;
1.181 kristaps 1928:
1.358 schwarze 1929: /* Find beginning of trailing punctuation. */
1930: punct = n->last;
1931: while (punct != link && punct->flags & NODE_DELIMC)
1932: punct = punct->prev;
1933: punct = punct->next;
1934:
1.349 schwarze 1935: /* Link text. */
1.358 schwarze 1936: if ((descr = link->next) != NULL && descr != punct) {
1.240 schwarze 1937: term_fontpush(p, TERMFONT_UNDER);
1.358 schwarze 1938: while (descr != punct) {
1939: if (descr->flags & (NODE_DELIMC | NODE_DELIMO))
1940: p->flags |= TERMP_NOSPACE;
1.240 schwarze 1941: term_word(p, descr->string);
1942: descr = descr->next;
1943: }
1.347 schwarze 1944: term_fontpop(p);
1.240 schwarze 1945: p->flags |= TERMP_NOSPACE;
1946: term_word(p, ":");
1947: }
1.1 kristaps 1948:
1.349 schwarze 1949: /* Link target. */
1.102 kristaps 1950: term_fontpush(p, TERMFONT_BOLD);
1.240 schwarze 1951: term_word(p, link->string);
1.102 kristaps 1952: term_fontpop(p);
1.348 schwarze 1953:
1.349 schwarze 1954: /* Trailing punctuation. */
1.358 schwarze 1955: while (punct != NULL) {
1.349 schwarze 1956: p->flags |= TERMP_NOSPACE;
1.358 schwarze 1957: term_word(p, punct->string);
1958: punct = punct->next;
1.349 schwarze 1959: }
1.328 schwarze 1960: return 0;
1.1 kristaps 1961: }
1962:
1.159 schwarze 1963: static int
1964: termp_bk_pre(DECL_ARGS)
1965: {
1966:
1.161 schwarze 1967: switch (n->type) {
1.314 schwarze 1968: case ROFFT_BLOCK:
1.166 kristaps 1969: break;
1.314 schwarze 1970: case ROFFT_HEAD:
1.328 schwarze 1971: return 0;
1.314 schwarze 1972: case ROFFT_BODY:
1.331 schwarze 1973: if (n->parent->args != NULL || n->prev->child == NULL)
1.200 schwarze 1974: p->flags |= TERMP_PREKEEP;
1.166 kristaps 1975: break;
1.161 schwarze 1976: default:
1977: abort();
1978: }
1.166 kristaps 1979:
1.328 schwarze 1980: return 1;
1.159 schwarze 1981: }
1982:
1983: static void
1984: termp_bk_post(DECL_ARGS)
1985: {
1986:
1.314 schwarze 1987: if (n->type == ROFFT_BODY)
1.161 schwarze 1988: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203 kristaps 1989: }
1990:
1991: static void
1992: termp__t_post(DECL_ARGS)
1993: {
1994:
1995: /*
1996: * If we're in an `Rs' and there's a journal present, then quote
1997: * us instead of underlining us (for disambiguation).
1998: */
1.217 schwarze 1999: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2000: n->parent->norm->Rs.quote_T)
1.245 schwarze 2001: termp_quote_post(p, pair, meta, n);
1.203 kristaps 2002:
1.245 schwarze 2003: termp____post(p, pair, meta, n);
1.203 kristaps 2004: }
2005:
2006: static int
2007: termp__t_pre(DECL_ARGS)
2008: {
2009:
2010: /*
2011: * If we're in an `Rs' and there's a journal present, then quote
2012: * us instead of underlining us (for disambiguation).
2013: */
2014: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2015: n->parent->norm->Rs.quote_T)
1.328 schwarze 2016: return termp_quote_pre(p, pair, meta, n);
1.203 kristaps 2017:
2018: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 2019: return 1;
1.159 schwarze 2020: }
1.1 kristaps 2021:
2022: static int
1.69 kristaps 2023: termp_under_pre(DECL_ARGS)
1.1 kristaps 2024: {
2025:
1.102 kristaps 2026: term_fontpush(p, TERMFONT_UNDER);
1.334 schwarze 2027: return 1;
2028: }
2029:
2030: static int
2031: termp_em_pre(DECL_ARGS)
2032: {
2033: if (n->child != NULL &&
2034: n->child->type == ROFFT_TEXT)
2035: tag_put(n->child->string, 0, p->line);
2036: term_fontpush(p, TERMFONT_UNDER);
2037: return 1;
2038: }
2039:
2040: static int
2041: termp_sy_pre(DECL_ARGS)
2042: {
2043: if (n->child != NULL &&
2044: n->child->type == ROFFT_TEXT)
2045: tag_put(n->child->string, 0, p->line);
2046: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 2047: return 1;
1.323 schwarze 2048: }
2049:
2050: static int
2051: termp_er_pre(DECL_ARGS)
2052: {
2053:
2054: if (n->sec == SEC_ERRORS &&
2055: (n->parent->tok == MDOC_It ||
2056: (n->parent->tok == MDOC_Bq &&
1.324 schwarze 2057: n->parent->parent->parent->tok == MDOC_It)))
2058: tag_put(n->child->string, 1, p->line);
1.328 schwarze 2059: return 1;
1.320 schwarze 2060: }
2061:
2062: static int
2063: termp_tag_pre(DECL_ARGS)
2064: {
2065:
2066: if (n->child != NULL &&
2067: n->child->type == ROFFT_TEXT &&
1.333 schwarze 2068: (n->prev == NULL ||
2069: (n->prev->type == ROFFT_TEXT &&
2070: strcmp(n->prev->string, "|") == 0)) &&
1.320 schwarze 2071: (n->parent->tok == MDOC_It ||
2072: (n->parent->tok == MDOC_Xo &&
2073: n->parent->parent->prev == NULL &&
1.324 schwarze 2074: n->parent->parent->parent->tok == MDOC_It)))
2075: tag_put(n->child->string, 1, p->line);
1.328 schwarze 2076: return 1;
1.369 schwarze 2077: }
2078:
2079: static int
2080: termp_abort_pre(DECL_ARGS)
2081: {
2082: abort();
1.84 kristaps 2083: }
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