Annotation of mandoc/mdoc_term.c, Revision 1.374
1.374 ! schwarze 1: /* $Id: mdoc_term.c,v 1.373 2019/06/03 19:50:33 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: {
1.374 ! schwarze 256: struct roff_node *n, *nn;
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) {
1.374 ! schwarze 268: for (nn = NULL; n != NULL; n = n->next) {
! 269: if (n->tok != MDOC_Sh)
! 270: continue;
! 271: if (n->sec == SEC_SYNOPSIS)
1.281 schwarze 272: break;
1.374 ! schwarze 273: if (nn == NULL && n->sec == SEC_NAME)
! 274: nn = n;
1.281 schwarze 275: }
1.374 ! schwarze 276: if (n == NULL)
! 277: n = nn;
! 278: p->flags |= TERMP_NOSPACE;
! 279: if (n != NULL && (n = n->child->next->child) != NULL)
! 280: print_mdoc_nodelist(p, NULL, mdoc, n);
! 281: term_newln(p);
1.281 schwarze 282: } else {
1.342 schwarze 283: save_defindent = p->defindent;
1.281 schwarze 284: if (p->defindent == 0)
285: p->defindent = 5;
1.371 schwarze 286: term_begin(p, print_mdoc_head, print_mdoc_foot, mdoc);
1.367 schwarze 287: while (n != NULL &&
288: (n->type == ROFFT_COMMENT ||
289: n->flags & NODE_NOPRT))
1.337 schwarze 290: n = n->next;
1.281 schwarze 291: if (n != NULL) {
292: if (n->tok != MDOC_Sh)
293: term_vspace(p);
1.371 schwarze 294: print_mdoc_nodelist(p, NULL, mdoc, n);
1.281 schwarze 295: }
296: term_end(p);
1.342 schwarze 297: p->defindent = save_defindent;
1.271 schwarze 298: }
1.1 kristaps 299: }
300:
1.3 kristaps 301: static void
1.102 kristaps 302: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 303: {
304:
1.304 schwarze 305: while (n != NULL) {
306: print_mdoc_node(p, pair, meta, n);
307: n = n->next;
308: }
1.1 kristaps 309: }
310:
1.3 kristaps 311: static void
1.102 kristaps 312: print_mdoc_node(DECL_ARGS)
1.1 kristaps 313: {
1.368 schwarze 314: const struct mdoc_term_act *act;
1.1 kristaps 315: struct termpair npair;
1.30 kristaps 316: size_t offset, rmargin;
1.368 schwarze 317: int chld;
1.1 kristaps 318:
1.372 schwarze 319: /*
320: * In no-fill mode, break the output line at the beginning
321: * of new input lines except after \c, and nowhere else.
322: */
323:
324: if (n->flags & NODE_NOFILL) {
325: if (n->flags & NODE_LINE &&
326: (p->flags & TERMP_NONEWLINE) == 0)
327: term_newln(p);
328: p->flags |= TERMP_BRNEVER;
329: } else
330: p->flags &= ~TERMP_BRNEVER;
331:
1.367 schwarze 332: if (n->type == ROFFT_COMMENT || n->flags & NODE_NOPRT)
1.337 schwarze 333: return;
334:
1.70 kristaps 335: chld = 1;
1.362 schwarze 336: offset = p->tcol->offset;
337: rmargin = p->tcol->rmargin;
1.338 schwarze 338: n->flags &= ~NODE_ENDED;
1.305 schwarze 339: n->prev_font = p->fonti;
1.29 kristaps 340:
1.97 kristaps 341: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 342: npair.ppair = pair;
1.172 kristaps 343:
344: /*
345: * Keeps only work until the end of a line. If a keep was
346: * invoked in a prior line, revert it to PREKEEP.
347: */
348:
1.338 schwarze 349: if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
1.307 schwarze 350: p->flags &= ~TERMP_KEEP;
351: p->flags |= TERMP_PREKEEP;
1.172 kristaps 352: }
1.197 schwarze 353:
354: /*
1.217 schwarze 355: * After the keep flags have been set up, we may now
356: * produce output. Note that some pre-handlers do so.
357: */
358:
1.373 schwarze 359: act = NULL;
1.217 schwarze 360: switch (n->type) {
1.314 schwarze 361: case ROFFT_TEXT:
1.372 schwarze 362: if (n->flags & NODE_LINE) {
363: switch (*n->string) {
364: case '\0':
365: if (p->flags & TERMP_NONEWLINE)
366: term_newln(p);
367: else
368: term_vspace(p);
369: return;
370: case ' ':
371: if ((p->flags & TERMP_NONEWLINE) == 0)
372: term_newln(p);
373: break;
374: default:
375: break;
376: }
377: }
1.338 schwarze 378: if (NODE_DELIMC & n->flags)
1.222 kristaps 379: p->flags |= TERMP_NOSPACE;
1.217 schwarze 380: term_word(p, n->string);
1.338 schwarze 381: if (NODE_DELIMO & n->flags)
1.222 kristaps 382: p->flags |= TERMP_NOSPACE;
1.217 schwarze 383: break;
1.314 schwarze 384: case ROFFT_EQN:
1.338 schwarze 385: if ( ! (n->flags & NODE_LINE))
1.284 schwarze 386: p->flags |= TERMP_NOSPACE;
1.233 kristaps 387: term_eqn(p, n->eqn);
1.338 schwarze 388: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.285 schwarze 389: p->flags |= TERMP_NOSPACE;
1.217 schwarze 390: break;
1.314 schwarze 391: case ROFFT_TBL:
1.313 schwarze 392: if (p->tbl.cols == NULL)
393: term_newln(p);
1.217 schwarze 394: term_tbl(p, n->span);
395: break;
396: default:
1.351 schwarze 397: if (n->tok < ROFF_MAX) {
1.352 schwarze 398: roff_term_pre(p, n);
1.354 schwarze 399: return;
1.351 schwarze 400: }
401: assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
1.368 schwarze 402: act = mdoc_term_acts + (n->tok - MDOC_Dd);
403: if (act->pre != NULL &&
1.331 schwarze 404: (n->end == ENDBODY_NOT || n->child != NULL))
1.368 schwarze 405: chld = (*act->pre)(p, &npair, meta, n);
1.217 schwarze 406: break;
407: }
408:
1.86 kristaps 409: if (chld && n->child)
1.245 schwarze 410: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 411:
1.244 schwarze 412: term_fontpopq(p,
1.310 schwarze 413: (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.46 kristaps 414:
1.206 kristaps 415: switch (n->type) {
1.314 schwarze 416: case ROFFT_TEXT:
1.206 kristaps 417: break;
1.314 schwarze 418: case ROFFT_TBL:
1.216 kristaps 419: break;
1.314 schwarze 420: case ROFFT_EQN:
1.206 kristaps 421: break;
422: default:
1.368 schwarze 423: if (act->post == NULL || n->flags & NODE_ENDED)
1.206 kristaps 424: break;
1.368 schwarze 425: (void)(*act->post)(p, &npair, meta, n);
1.162 schwarze 426:
427: /*
428: * Explicit end tokens not only call the post
429: * handler, but also tell the respective block
430: * that it must not call the post handler again.
431: */
1.165 kristaps 432: if (ENDBODY_NOT != n->end)
1.338 schwarze 433: n->body->flags |= NODE_ENDED;
1.206 kristaps 434: break;
1.162 schwarze 435: }
1.121 kristaps 436:
1.338 schwarze 437: if (NODE_EOS & n->flags)
1.121 kristaps 438: p->flags |= TERMP_SENTENCE;
1.29 kristaps 439:
1.359 schwarze 440: if (n->type != ROFFT_TEXT)
1.362 schwarze 441: p->tcol->offset = offset;
442: p->tcol->rmargin = rmargin;
1.1 kristaps 443: }
444:
1.3 kristaps 445: static void
1.316 schwarze 446: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 447: {
1.292 schwarze 448: size_t sz;
1.144 kristaps 449:
1.102 kristaps 450: term_fontrepl(p, TERMFONT_NONE);
1.101 kristaps 451:
1.264 schwarze 452: /*
1.9 kristaps 453: * Output the footer in new-groff style, that is, three columns
454: * with the middle being the manual date and flanking columns
455: * being the operating system:
456: *
457: * SYSTEM DATE SYSTEM
458: */
459:
1.1 kristaps 460: term_vspace(p);
461:
1.362 schwarze 462: p->tcol->offset = 0;
1.292 schwarze 463: sz = term_strlen(p, meta->date);
1.362 schwarze 464: p->tcol->rmargin = p->maxrmargin > sz ?
1.292 schwarze 465: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.250 schwarze 466: p->trailspace = 1;
1.1 kristaps 467: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
468:
1.245 schwarze 469: term_word(p, meta->os);
1.1 kristaps 470: term_flushln(p);
471:
1.362 schwarze 472: p->tcol->offset = p->tcol->rmargin;
1.292 schwarze 473: sz = term_strlen(p, meta->os);
1.362 schwarze 474: p->tcol->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.234 schwarze 475: p->flags |= TERMP_NOSPACE;
1.9 kristaps 476:
1.245 schwarze 477: term_word(p, meta->date);
1.9 kristaps 478: term_flushln(p);
479:
1.362 schwarze 480: p->tcol->offset = p->tcol->rmargin;
481: p->tcol->rmargin = p->maxrmargin;
1.250 schwarze 482: p->trailspace = 0;
1.1 kristaps 483: p->flags &= ~TERMP_NOBREAK;
1.234 schwarze 484: p->flags |= TERMP_NOSPACE;
1.1 kristaps 485:
1.245 schwarze 486: term_word(p, meta->os);
1.1 kristaps 487: term_flushln(p);
488:
1.362 schwarze 489: p->tcol->offset = 0;
490: p->tcol->rmargin = p->maxrmargin;
1.9 kristaps 491: p->flags = 0;
1.1 kristaps 492: }
493:
1.3 kristaps 494: static void
1.316 schwarze 495: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 496: {
1.267 schwarze 497: char *volume, *title;
498: size_t vollen, titlen;
1.1 kristaps 499:
500: /*
501: * The header is strange. It has three components, which are
502: * really two with the first duplicated. It goes like this:
503: *
504: * IDENTIFIER TITLE IDENTIFIER
505: *
506: * The IDENTIFIER is NAME(SECTION), which is the command-name
507: * (if given, or "unknown" if not) followed by the manual page
508: * section. These are given in `Dt'. The TITLE is a free-form
509: * string depending on the manual volume. If not specified, it
510: * switches on the manual section.
511: */
1.235 schwarze 512:
1.245 schwarze 513: assert(meta->vol);
1.267 schwarze 514: if (NULL == meta->arch)
515: volume = mandoc_strdup(meta->vol);
516: else
517: mandoc_asprintf(&volume, "%s (%s)",
518: meta->vol, meta->arch);
519: vollen = term_strlen(p, volume);
1.1 kristaps 520:
1.275 schwarze 521: if (NULL == meta->msec)
522: title = mandoc_strdup(meta->title);
523: else
524: mandoc_asprintf(&title, "%s(%s)",
525: meta->title, meta->msec);
1.235 schwarze 526: titlen = term_strlen(p, title);
1.1 kristaps 527:
1.235 schwarze 528: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250 schwarze 529: p->trailspace = 1;
1.362 schwarze 530: p->tcol->offset = 0;
531: p->tcol->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1.267 schwarze 532: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.292 schwarze 533: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 534:
535: term_word(p, title);
536: term_flushln(p);
537:
1.235 schwarze 538: p->flags |= TERMP_NOSPACE;
1.362 schwarze 539: p->tcol->offset = p->tcol->rmargin;
540: p->tcol->rmargin = p->tcol->offset + vollen + titlen <
541: p->maxrmargin ? p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 542:
1.267 schwarze 543: term_word(p, volume);
1.1 kristaps 544: term_flushln(p);
545:
546: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 547: p->trailspace = 0;
1.362 schwarze 548: if (p->tcol->rmargin + titlen <= p->maxrmargin) {
1.235 schwarze 549: p->flags |= TERMP_NOSPACE;
1.362 schwarze 550: p->tcol->offset = p->tcol->rmargin;
551: p->tcol->rmargin = p->maxrmargin;
1.235 schwarze 552: term_word(p, title);
553: term_flushln(p);
554: }
1.1 kristaps 555:
1.235 schwarze 556: p->flags &= ~TERMP_NOSPACE;
1.362 schwarze 557: p->tcol->offset = 0;
558: p->tcol->rmargin = p->maxrmargin;
1.266 schwarze 559: free(title);
1.267 schwarze 560: free(volume);
1.1 kristaps 561: }
562:
1.302 schwarze 563: static int
1.157 kristaps 564: a2width(const struct termp *p, const char *v)
1.91 kristaps 565: {
1.92 kristaps 566: struct roffsu su;
1.363 schwarze 567: const char *end;
1.1 kristaps 568:
1.363 schwarze 569: end = a2roffsu(v, &su, SCALE_MAX);
570: if (end == NULL || *end != '\0') {
1.157 kristaps 571: SCALE_HS_INIT(&su, term_strlen(p, v));
1.283 schwarze 572: su.scale /= term_strlen(p, "0");
1.302 schwarze 573: }
1.364 schwarze 574: return term_hen(p, &su);
1.1 kristaps 575: }
576:
1.108 kristaps 577: /*
578: * Determine how much space to print out before block elements of `It'
579: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
580: * too.
581: */
1.54 kristaps 582: static void
1.264 schwarze 583: print_bvspace(struct termp *p,
1.315 schwarze 584: const struct roff_node *bl,
585: const struct roff_node *n)
1.1 kristaps 586: {
1.315 schwarze 587: const struct roff_node *nn;
1.236 schwarze 588:
589: assert(n);
1.1 kristaps 590:
591: term_newln(p);
1.150 kristaps 592:
1.202 kristaps 593: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150 kristaps 594: return;
1.202 kristaps 595: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54 kristaps 596: return;
597:
1.85 kristaps 598: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 599:
1.289 schwarze 600: nn = n;
1.367 schwarze 601: while (nn->prev != NULL &&
602: (nn->prev->type == ROFFT_COMMENT ||
603: nn->prev->flags & NODE_NOPRT))
1.337 schwarze 604: nn = nn->prev;
1.289 schwarze 605: while (nn->prev == NULL) {
606: do {
607: nn = nn->parent;
1.314 schwarze 608: if (nn->type == ROFFT_ROOT)
1.289 schwarze 609: return;
1.314 schwarze 610: } while (nn->type != ROFFT_BLOCK);
1.289 schwarze 611: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.54 kristaps 612: return;
1.289 schwarze 613: if (nn->tok == MDOC_It &&
614: nn->parent->parent->norm->Bl.type != LIST_item)
615: break;
1.1 kristaps 616: }
617:
1.85 kristaps 618: /* A `-column' does not assert vspace within the list. */
1.54 kristaps 619:
1.202 kristaps 620: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86 kristaps 621: if (n->prev && MDOC_It == n->prev->tok)
1.54 kristaps 622: return;
623:
1.85 kristaps 624: /* A `-diag' without body does not vspace. */
625:
1.202 kristaps 626: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86 kristaps 627: if (n->prev && MDOC_It == n->prev->tok) {
628: assert(n->prev->body);
629: if (NULL == n->prev->body->child)
1.55 kristaps 630: return;
631: }
632:
1.54 kristaps 633: term_vspace(p);
1.260 schwarze 634: }
635:
1.1 kristaps 636:
637: static int
638: termp_it_pre(DECL_ARGS)
639: {
1.345 schwarze 640: struct roffsu su;
1.302 schwarze 641: char buf[24];
1.315 schwarze 642: const struct roff_node *bl, *nn;
1.302 schwarze 643: size_t ncols, dcol;
644: int i, offset, width;
1.126 kristaps 645: enum mdoc_list type;
1.1 kristaps 646:
1.314 schwarze 647: if (n->type == ROFFT_BLOCK) {
1.151 kristaps 648: print_bvspace(p, n->parent->parent, n);
1.328 schwarze 649: return 1;
1.54 kristaps 650: }
1.1 kristaps 651:
1.86 kristaps 652: bl = n->parent->parent->parent;
1.202 kristaps 653: type = bl->norm->Bl.type;
1.1 kristaps 654:
1.264 schwarze 655: /*
1.302 schwarze 656: * Defaults for specific list types.
657: */
658:
659: switch (type) {
660: case LIST_bullet:
661: case LIST_dash:
662: case LIST_hyphen:
663: case LIST_enum:
664: width = term_len(p, 2);
665: break;
666: case LIST_hang:
1.332 schwarze 667: case LIST_tag:
1.302 schwarze 668: width = term_len(p, 8);
669: break;
670: case LIST_column:
671: width = term_len(p, 10);
672: break;
673: default:
674: width = 0;
675: break;
676: }
677: offset = 0;
678:
679: /*
1.108 kristaps 680: * First calculate width and offset. This is pretty easy unless
681: * we're a -column list, in which case all prior columns must
682: * be accounted for.
683: */
684:
1.302 schwarze 685: if (bl->norm->Bl.offs != NULL) {
1.288 schwarze 686: offset = a2width(p, bl->norm->Bl.offs);
1.362 schwarze 687: if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
688: offset = -p->tcol->offset;
1.302 schwarze 689: else if (offset > SHRT_MAX)
690: offset = 0;
691: }
1.152 kristaps 692:
1.1 kristaps 693: switch (type) {
1.264 schwarze 694: case LIST_column:
1.314 schwarze 695: if (n->type == ROFFT_HEAD)
1.1 kristaps 696: break;
1.155 kristaps 697:
1.105 kristaps 698: /*
1.108 kristaps 699: * Imitate groff's column handling:
700: * - For each earlier column, add its width.
701: * - For less than 5 columns, add four more blanks per
702: * column.
703: * - For exactly 5 columns, add three more blank per
704: * column.
705: * - For more than 5 columns, add only one column.
1.105 kristaps 706: */
1.202 kristaps 707: ncols = bl->norm->Bl.ncols;
1.264 schwarze 708: dcol = ncols < 5 ? term_len(p, 4) :
709: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108 kristaps 710:
1.134 kristaps 711: /*
1.314 schwarze 712: * Calculate the offset by applying all prior ROFFT_BODY,
713: * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.134 kristaps 714: */
715:
1.264 schwarze 716: for (i = 0, nn = n->prev;
717: nn->prev && i < (int)ncols;
1.345 schwarze 718: nn = nn->prev, i++) {
719: SCALE_HS_INIT(&su,
720: term_strlen(p, bl->norm->Bl.cols[i]));
721: su.scale /= term_strlen(p, "0");
1.364 schwarze 722: offset += term_hen(p, &su) + dcol;
1.345 schwarze 723: }
1.105 kristaps 724:
725: /*
1.108 kristaps 726: * When exceeding the declared number of columns, leave
727: * the remaining widths at 0. This will later be
728: * adjusted to the default width of 10, or, for the last
729: * column, stretched to the right margin.
1.58 kristaps 730: */
1.108 kristaps 731: if (i >= (int)ncols)
732: break;
1.58 kristaps 733:
1.105 kristaps 734: /*
1.108 kristaps 735: * Use the declared column widths, extended as explained
736: * in the preceding paragraph.
1.105 kristaps 737: */
1.345 schwarze 738: SCALE_HS_INIT(&su, term_strlen(p, bl->norm->Bl.cols[i]));
739: su.scale /= term_strlen(p, "0");
1.364 schwarze 740: width = term_hen(p, &su) + dcol;
1.1 kristaps 741: break;
742: default:
1.202 kristaps 743: if (NULL == bl->norm->Bl.width)
1.108 kristaps 744: break;
745:
1.264 schwarze 746: /*
1.108 kristaps 747: * Note: buffer the width by 2, which is groff's magic
748: * number for buffering single arguments. See the above
749: * handling for column for how this changes.
750: */
1.202 kristaps 751: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.362 schwarze 752: if (width < 0 && (size_t)(-width) > p->tcol->offset)
753: width = -p->tcol->offset;
1.302 schwarze 754: else if (width > SHRT_MAX)
755: width = 0;
1.1 kristaps 756: break;
757: }
758:
1.264 schwarze 759: /*
1.17 kristaps 760: * Whitespace control. Inset bodies need an initial space,
761: * while diagonal bodies need two.
1.1 kristaps 762: */
763:
1.51 kristaps 764: p->flags |= TERMP_NOSPACE;
765:
1.1 kristaps 766: switch (type) {
1.264 schwarze 767: case LIST_diag:
1.314 schwarze 768: if (n->type == ROFFT_BODY)
1.62 kristaps 769: term_word(p, "\\ \\ ");
1.51 kristaps 770: break;
1.264 schwarze 771: case LIST_inset:
1.331 schwarze 772: if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.51 kristaps 773: term_word(p, "\\ ");
1.1 kristaps 774: break;
775: default:
776: break;
777: }
778:
1.51 kristaps 779: p->flags |= TERMP_NOSPACE;
780:
1.1 kristaps 781: switch (type) {
1.264 schwarze 782: case LIST_diag:
1.314 schwarze 783: if (n->type == ROFFT_HEAD)
1.102 kristaps 784: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 785: break;
786: default:
787: break;
788: }
789:
790: /*
1.109 kristaps 791: * Pad and break control. This is the tricky part. These flags
792: * are documented in term_flushln() in term.c. Note that we're
793: * going to unset all of these flags in termp_it_post() when we
794: * exit.
1.1 kristaps 795: */
796:
797: switch (type) {
1.264 schwarze 798: case LIST_enum:
1.329 schwarze 799: case LIST_bullet:
800: case LIST_dash:
801: case LIST_hyphen:
1.360 schwarze 802: if (n->type == ROFFT_HEAD) {
803: p->flags |= TERMP_NOBREAK | TERMP_HANG;
804: p->trailspace = 1;
805: } else if (width <= (int)term_len(p, 2))
806: p->flags |= TERMP_NOPAD;
1.39 kristaps 807: break;
1.264 schwarze 808: case LIST_hang:
1.314 schwarze 809: if (n->type != ROFFT_HEAD)
1.59 kristaps 810: break;
1.263 schwarze 811: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250 schwarze 812: p->trailspace = 1;
1.39 kristaps 813: break;
1.264 schwarze 814: case LIST_tag:
1.314 schwarze 815: if (n->type != ROFFT_HEAD)
1.39 kristaps 816: break;
1.250 schwarze 817:
1.326 schwarze 818: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.250 schwarze 819: p->trailspace = 2;
820:
1.86 kristaps 821: if (NULL == n->next || NULL == n->next->child)
1.360 schwarze 822: p->flags |= TERMP_HANG;
1.1 kristaps 823: break;
1.264 schwarze 824: case LIST_column:
1.314 schwarze 825: if (n->type == ROFFT_HEAD)
1.134 kristaps 826: break;
827:
1.250 schwarze 828: if (NULL == n->next) {
1.134 kristaps 829: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 830: p->trailspace = 0;
831: } else {
1.134 kristaps 832: p->flags |= TERMP_NOBREAK;
1.250 schwarze 833: p->trailspace = 1;
834: }
1.134 kristaps 835:
1.1 kristaps 836: break;
1.264 schwarze 837: case LIST_diag:
1.314 schwarze 838: if (n->type != ROFFT_HEAD)
1.250 schwarze 839: break;
1.263 schwarze 840: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 841: p->trailspace = 1;
1.1 kristaps 842: break;
843: default:
844: break;
845: }
846:
1.264 schwarze 847: /*
1.1 kristaps 848: * Margin control. Set-head-width lists have their right
849: * margins shortened. The body for these lists has the offset
850: * necessarily lengthened. Everybody gets the offset.
851: */
852:
1.362 schwarze 853: p->tcol->offset += offset;
1.1 kristaps 854:
855: switch (type) {
1.264 schwarze 856: case LIST_bullet:
857: case LIST_dash:
858: case LIST_enum:
859: case LIST_hyphen:
1.360 schwarze 860: case LIST_hang:
1.264 schwarze 861: case LIST_tag:
1.314 schwarze 862: if (n->type == ROFFT_HEAD)
1.362 schwarze 863: p->tcol->rmargin = p->tcol->offset + width;
1.292 schwarze 864: else
1.362 schwarze 865: p->tcol->offset += width;
1.1 kristaps 866: break;
1.264 schwarze 867: case LIST_column:
1.49 kristaps 868: assert(width);
1.362 schwarze 869: p->tcol->rmargin = p->tcol->offset + width;
1.264 schwarze 870: /*
1.50 kristaps 871: * XXX - this behaviour is not documented: the
872: * right-most column is filled to the right margin.
873: */
1.314 schwarze 874: if (n->type == ROFFT_HEAD)
1.134 kristaps 875: break;
1.362 schwarze 876: if (n->next == NULL && p->tcol->rmargin < p->maxrmargin)
877: p->tcol->rmargin = p->maxrmargin;
1.1 kristaps 878: break;
879: default:
880: break;
881: }
882:
1.264 schwarze 883: /*
1.1 kristaps 884: * The dash, hyphen, bullet and enum lists all have a special
1.264 schwarze 885: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 886: */
887:
1.314 schwarze 888: if (n->type == ROFFT_HEAD)
1.1 kristaps 889: switch (type) {
1.264 schwarze 890: case LIST_bullet:
1.102 kristaps 891: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 892: term_word(p, "\\[bu]");
1.102 kristaps 893: term_fontpop(p);
1.1 kristaps 894: break;
1.264 schwarze 895: case LIST_dash:
896: case LIST_hyphen:
1.102 kristaps 897: term_fontpush(p, TERMFONT_BOLD);
1.330 schwarze 898: term_word(p, "-");
1.102 kristaps 899: term_fontpop(p);
1.1 kristaps 900: break;
1.264 schwarze 901: case LIST_enum:
1.1 kristaps 902: (pair->ppair->ppair->count)++;
1.265 schwarze 903: (void)snprintf(buf, sizeof(buf), "%d.",
1.264 schwarze 904: pair->ppair->ppair->count);
1.1 kristaps 905: term_word(p, buf);
906: break;
907: default:
908: break;
909: }
910:
1.264 schwarze 911: /*
1.1 kristaps 912: * If we're not going to process our children, indicate so here.
913: */
914:
915: switch (type) {
1.264 schwarze 916: case LIST_bullet:
917: case LIST_item:
918: case LIST_dash:
919: case LIST_hyphen:
920: case LIST_enum:
1.314 schwarze 921: if (n->type == ROFFT_HEAD)
1.328 schwarze 922: return 0;
1.1 kristaps 923: break;
1.264 schwarze 924: case LIST_column:
1.314 schwarze 925: if (n->type == ROFFT_HEAD)
1.328 schwarze 926: return 0;
1.360 schwarze 927: p->minbl = 0;
1.1 kristaps 928: break;
929: default:
930: break;
931: }
932:
1.328 schwarze 933: return 1;
1.1 kristaps 934: }
935:
936: static void
937: termp_it_post(DECL_ARGS)
938: {
1.126 kristaps 939: enum mdoc_list type;
1.1 kristaps 940:
1.314 schwarze 941: if (n->type == ROFFT_BLOCK)
1.1 kristaps 942: return;
943:
1.202 kristaps 944: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 945:
946: switch (type) {
1.264 schwarze 947: case LIST_item:
948: case LIST_diag:
949: case LIST_inset:
1.314 schwarze 950: if (n->type == ROFFT_BODY)
1.130 schwarze 951: term_newln(p);
1.1 kristaps 952: break;
1.264 schwarze 953: case LIST_column:
1.314 schwarze 954: if (n->type == ROFFT_BODY)
1.1 kristaps 955: term_flushln(p);
956: break;
957: default:
1.130 schwarze 958: term_newln(p);
1.1 kristaps 959: break;
960: }
961:
1.264 schwarze 962: /*
1.109 kristaps 963: * Now that our output is flushed, we can reset our tags. Since
964: * only `It' sets these flags, we're free to assume that nobody
965: * has munged them in the meanwhile.
966: */
967:
1.360 schwarze 968: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 969: p->trailspace = 0;
1.1 kristaps 970: }
971:
972: static int
973: termp_nm_pre(DECL_ARGS)
974: {
1.296 schwarze 975: const char *cp;
1.1 kristaps 976:
1.314 schwarze 977: if (n->type == ROFFT_BLOCK) {
1.253 schwarze 978: p->flags |= TERMP_PREKEEP;
1.328 schwarze 979: return 1;
1.253 schwarze 980: }
1.164 schwarze 981:
1.314 schwarze 982: if (n->type == ROFFT_BODY) {
1.362 schwarze 983: if (n->child == NULL)
1.328 schwarze 984: return 0;
1.234 schwarze 985: p->flags |= TERMP_NOSPACE;
1.296 schwarze 986: cp = NULL;
987: if (n->prev->child != NULL)
988: cp = n->prev->child->string;
989: if (cp == NULL)
990: cp = meta->name;
991: if (cp == NULL)
1.362 schwarze 992: p->tcol->offset += term_len(p, 6);
1.296 schwarze 993: else
1.362 schwarze 994: p->tcol->offset += term_len(p, 1) +
995: term_strlen(p, cp);
1.328 schwarze 996: return 1;
1.164 schwarze 997: }
998:
1.343 schwarze 999: if (n->child == NULL)
1.328 schwarze 1000: return 0;
1.125 kristaps 1001:
1.314 schwarze 1002: if (n->type == ROFFT_HEAD)
1.177 schwarze 1003: synopsis_pre(p, n->parent);
1.102 kristaps 1004:
1.314 schwarze 1005: if (n->type == ROFFT_HEAD &&
1.362 schwarze 1006: n->next != NULL && n->next->child != NULL) {
1.263 schwarze 1007: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 1008: p->trailspace = 1;
1.362 schwarze 1009: p->tcol->rmargin = p->tcol->offset + term_len(p, 1);
1010: if (n->child == NULL)
1011: p->tcol->rmargin += term_strlen(p, meta->name);
1012: else if (n->child->type == ROFFT_TEXT) {
1013: p->tcol->rmargin += term_strlen(p, n->child->string);
1014: if (n->child->next != NULL)
1.185 schwarze 1015: p->flags |= TERMP_HANG;
1016: } else {
1.362 schwarze 1017: p->tcol->rmargin += term_len(p, 5);
1.185 schwarze 1018: p->flags |= TERMP_HANG;
1019: }
1.164 schwarze 1020: }
1021:
1.102 kristaps 1022: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1023: return 1;
1.1 kristaps 1024: }
1025:
1.164 schwarze 1026: static void
1027: termp_nm_post(DECL_ARGS)
1028: {
1029:
1.314 schwarze 1030: if (n->type == ROFFT_BLOCK) {
1.253 schwarze 1031: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.314 schwarze 1032: } else if (n->type == ROFFT_HEAD &&
1.278 schwarze 1033: NULL != n->next && NULL != n->next->child) {
1.164 schwarze 1034: term_flushln(p);
1.263 schwarze 1035: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 1036: p->trailspace = 0;
1.314 schwarze 1037: } else if (n->type == ROFFT_BODY && n->child != NULL)
1.164 schwarze 1038: term_flushln(p);
1039: }
1040:
1.1 kristaps 1041: static int
1042: termp_fl_pre(DECL_ARGS)
1043: {
1044:
1.320 schwarze 1045: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1046: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1047: term_word(p, "\\-");
1.103 kristaps 1048:
1.331 schwarze 1049: if (!(n->child == NULL &&
1.280 schwarze 1050: (n->next == NULL ||
1.314 schwarze 1051: n->next->type == ROFFT_TEXT ||
1.338 schwarze 1052: n->next->flags & NODE_LINE)))
1.103 kristaps 1053: p->flags |= TERMP_NOSPACE;
1054:
1.328 schwarze 1055: return 1;
1.1 kristaps 1056: }
1057:
1058: static int
1.184 kristaps 1059: termp__a_pre(DECL_ARGS)
1060: {
1061:
1062: if (n->prev && MDOC__A == n->prev->tok)
1063: if (NULL == n->next || MDOC__A != n->next->tok)
1064: term_word(p, "and");
1065:
1.328 schwarze 1066: return 1;
1.184 kristaps 1067: }
1068:
1069: static int
1.61 kristaps 1070: termp_an_pre(DECL_ARGS)
1071: {
1072:
1.282 schwarze 1073: if (n->norm->An.auth == AUTH_split) {
1074: p->flags &= ~TERMP_NOSPLIT;
1075: p->flags |= TERMP_SPLIT;
1.328 schwarze 1076: return 0;
1.282 schwarze 1077: }
1078: if (n->norm->An.auth == AUTH_nosplit) {
1079: p->flags &= ~TERMP_SPLIT;
1080: p->flags |= TERMP_NOSPLIT;
1.328 schwarze 1081: return 0;
1.282 schwarze 1082: }
1.264 schwarze 1083:
1.282 schwarze 1084: if (p->flags & TERMP_SPLIT)
1.61 kristaps 1085: term_newln(p);
1086:
1.282 schwarze 1087: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1088: p->flags |= TERMP_SPLIT;
1.61 kristaps 1089:
1.328 schwarze 1090: return 1;
1.61 kristaps 1091: }
1092:
1093: static int
1.1 kristaps 1094: termp_ns_pre(DECL_ARGS)
1095: {
1096:
1.338 schwarze 1097: if ( ! (NODE_LINE & n->flags))
1.215 kristaps 1098: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1099: return 1;
1.1 kristaps 1100: }
1101:
1102: static int
1103: termp_rs_pre(DECL_ARGS)
1104: {
1105:
1.86 kristaps 1106: if (SEC_SEE_ALSO != n->sec)
1.328 schwarze 1107: return 1;
1.314 schwarze 1108: if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1 kristaps 1109: term_vspace(p);
1.328 schwarze 1110: return 1;
1.1 kristaps 1111: }
1112:
1113: static int
1114: termp_ex_pre(DECL_ARGS)
1115: {
1.224 kristaps 1116: term_newln(p);
1.341 schwarze 1117: return 1;
1.1 kristaps 1118: }
1119:
1120: static int
1121: termp_nd_pre(DECL_ARGS)
1122: {
1.25 kristaps 1123:
1.314 schwarze 1124: if (n->type == ROFFT_BODY)
1.297 schwarze 1125: term_word(p, "\\(en");
1.328 schwarze 1126: return 1;
1.115 kristaps 1127: }
1128:
1129: static int
1130: termp_bl_pre(DECL_ARGS)
1131: {
1132:
1.328 schwarze 1133: return n->type != ROFFT_HEAD;
1.1 kristaps 1134: }
1135:
1136: static void
1137: termp_bl_post(DECL_ARGS)
1138: {
1139:
1.356 schwarze 1140: if (n->type != ROFFT_BLOCK)
1141: return;
1142: term_newln(p);
1143: if (n->tok != MDOC_Bl || n->norm->Bl.type != LIST_column)
1144: return;
1145: term_tab_set(p, NULL);
1146: term_tab_set(p, "T");
1147: term_tab_set(p, ".5i");
1.1 kristaps 1148: }
1149:
1150: static int
1151: termp_xr_pre(DECL_ARGS)
1152: {
1153:
1.225 kristaps 1154: if (NULL == (n = n->child))
1.328 schwarze 1155: return 0;
1.113 kristaps 1156:
1.314 schwarze 1157: assert(n->type == ROFFT_TEXT);
1.225 kristaps 1158: term_word(p, n->string);
1.11 kristaps 1159:
1.264 schwarze 1160: if (NULL == (n = n->next))
1.328 schwarze 1161: return 0;
1.225 kristaps 1162:
1.1 kristaps 1163: p->flags |= TERMP_NOSPACE;
1164: term_word(p, "(");
1.222 kristaps 1165: p->flags |= TERMP_NOSPACE;
1.225 kristaps 1166:
1.314 schwarze 1167: assert(n->type == ROFFT_TEXT);
1.225 kristaps 1168: term_word(p, n->string);
1169:
1.222 kristaps 1170: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1171: term_word(p, ")");
1.86 kristaps 1172:
1.328 schwarze 1173: return 0;
1.1 kristaps 1174: }
1175:
1.143 kristaps 1176: /*
1177: * This decides how to assert whitespace before any of the SYNOPSIS set
1178: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1179: * macro combos).
1180: */
1181: static void
1.315 schwarze 1182: synopsis_pre(struct termp *p, const struct roff_node *n)
1.143 kristaps 1183: {
1.264 schwarze 1184: /*
1.143 kristaps 1185: * Obviously, if we're not in a SYNOPSIS or no prior macros
1186: * exist, do nothing.
1187: */
1.338 schwarze 1188: if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.143 kristaps 1189: return;
1190:
1191: /*
1192: * If we're the second in a pair of like elements, emit our
1193: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1194: * case we soldier on.
1195: */
1.264 schwarze 1196: if (n->prev->tok == n->tok &&
1197: MDOC_Ft != n->tok &&
1198: MDOC_Fo != n->tok &&
1199: MDOC_Fn != n->tok) {
1.143 kristaps 1200: term_newln(p);
1201: return;
1202: }
1203:
1204: /*
1205: * If we're one of the SYNOPSIS set and non-like pair-wise after
1206: * another (or Fn/Fo, which we've let slip through) then assert
1207: * vertical space, else only newline and move on.
1208: */
1209: switch (n->prev->tok) {
1.264 schwarze 1210: case MDOC_Fd:
1211: case MDOC_Fn:
1212: case MDOC_Fo:
1213: case MDOC_In:
1214: case MDOC_Vt:
1.143 kristaps 1215: term_vspace(p);
1216: break;
1.264 schwarze 1217: case MDOC_Ft:
1.143 kristaps 1218: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1219: term_vspace(p);
1220: break;
1221: }
1222: /* FALLTHROUGH */
1223: default:
1224: term_newln(p);
1225: break;
1226: }
1227: }
1228:
1.110 kristaps 1229: static int
1230: termp_vt_pre(DECL_ARGS)
1231: {
1232:
1.314 schwarze 1233: if (n->type == ROFFT_ELEM) {
1.143 kristaps 1234: synopsis_pre(p, n);
1.328 schwarze 1235: return termp_under_pre(p, pair, meta, n);
1.314 schwarze 1236: } else if (n->type == ROFFT_BLOCK) {
1.143 kristaps 1237: synopsis_pre(p, n);
1.328 schwarze 1238: return 1;
1.314 schwarze 1239: } else if (n->type == ROFFT_HEAD)
1.328 schwarze 1240: return 0;
1.110 kristaps 1241:
1.328 schwarze 1242: return termp_under_pre(p, pair, meta, n);
1.110 kristaps 1243: }
1244:
1.1 kristaps 1245: static int
1.69 kristaps 1246: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1247: {
1248:
1.320 schwarze 1249: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1250: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1251: return 1;
1.1 kristaps 1252: }
1253:
1.143 kristaps 1254: static int
1255: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1256: {
1257:
1.143 kristaps 1258: synopsis_pre(p, n);
1.328 schwarze 1259: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1260: }
1261:
1.241 schwarze 1262: static void
1263: termp_fd_post(DECL_ARGS)
1264: {
1265:
1266: term_newln(p);
1267: }
1268:
1.1 kristaps 1269: static int
1270: termp_sh_pre(DECL_ARGS)
1271: {
1.85 kristaps 1272:
1.86 kristaps 1273: switch (n->type) {
1.314 schwarze 1274: case ROFFT_BLOCK:
1.293 schwarze 1275: /*
1276: * Vertical space before sections, except
1277: * when the previous section was empty.
1278: */
1279: if (n->prev == NULL ||
1.322 schwarze 1280: n->prev->tok != MDOC_Sh ||
1.293 schwarze 1281: (n->prev->body != NULL &&
1282: n->prev->body->child != NULL))
1283: term_vspace(p);
1.65 kristaps 1284: break;
1.314 schwarze 1285: case ROFFT_HEAD:
1.102 kristaps 1286: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1287: break;
1.314 schwarze 1288: case ROFFT_BODY:
1.362 schwarze 1289: p->tcol->offset = term_len(p, p->defindent);
1.356 schwarze 1290: term_tab_set(p, NULL);
1291: term_tab_set(p, "T");
1292: term_tab_set(p, ".5i");
1.322 schwarze 1293: switch (n->sec) {
1294: case SEC_DESCRIPTION:
1295: fn_prio = 0;
1296: break;
1297: case SEC_AUTHORS:
1.239 schwarze 1298: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.322 schwarze 1299: break;
1300: default:
1301: break;
1302: }
1.1 kristaps 1303: break;
1304: default:
1305: break;
1306: }
1.328 schwarze 1307: return 1;
1.1 kristaps 1308: }
1309:
1310: static void
1311: termp_sh_post(DECL_ARGS)
1312: {
1313:
1.86 kristaps 1314: switch (n->type) {
1.314 schwarze 1315: case ROFFT_HEAD:
1.1 kristaps 1316: term_newln(p);
1317: break;
1.314 schwarze 1318: case ROFFT_BODY:
1.1 kristaps 1319: term_newln(p);
1.362 schwarze 1320: p->tcol->offset = 0;
1.1 kristaps 1321: break;
1322: default:
1323: break;
1324: }
1325: }
1326:
1327: static void
1328: termp_lb_post(DECL_ARGS)
1329: {
1330:
1.338 schwarze 1331: if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
1.81 kristaps 1332: term_newln(p);
1.1 kristaps 1333: }
1334:
1335: static int
1336: termp_d1_pre(DECL_ARGS)
1337: {
1338:
1.314 schwarze 1339: if (n->type != ROFFT_BLOCK)
1.328 schwarze 1340: return 1;
1.1 kristaps 1341: term_newln(p);
1.362 schwarze 1342: p->tcol->offset += term_len(p, p->defindent + 1);
1.356 schwarze 1343: term_tab_set(p, NULL);
1344: term_tab_set(p, "T");
1345: term_tab_set(p, ".5i");
1.328 schwarze 1346: return 1;
1.1 kristaps 1347: }
1348:
1349: static int
1350: termp_ft_pre(DECL_ARGS)
1351: {
1352:
1.338 schwarze 1353: /* NB: NODE_LINE does not effect this! */
1.143 kristaps 1354: synopsis_pre(p, n);
1.102 kristaps 1355: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 1356: return 1;
1.1 kristaps 1357: }
1358:
1359: static int
1360: termp_fn_pre(DECL_ARGS)
1361: {
1.257 schwarze 1362: size_t rmargin = 0;
1.226 kristaps 1363: int pretty;
1364:
1.338 schwarze 1365: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1366:
1.143 kristaps 1367: synopsis_pre(p, n);
1.139 kristaps 1368:
1.226 kristaps 1369: if (NULL == (n = n->child))
1.328 schwarze 1370: return 0;
1.226 kristaps 1371:
1.251 schwarze 1372: if (pretty) {
1.362 schwarze 1373: rmargin = p->tcol->rmargin;
1374: p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
1.263 schwarze 1375: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251 schwarze 1376: }
1377:
1.314 schwarze 1378: assert(n->type == ROFFT_TEXT);
1.102 kristaps 1379: term_fontpush(p, TERMFONT_BOLD);
1.226 kristaps 1380: term_word(p, n->string);
1.102 kristaps 1381: term_fontpop(p);
1.1 kristaps 1382:
1.336 schwarze 1383: if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.324 schwarze 1384: tag_put(n->string, ++fn_prio, p->line);
1.322 schwarze 1385:
1.251 schwarze 1386: if (pretty) {
1387: term_flushln(p);
1.263 schwarze 1388: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.360 schwarze 1389: p->flags |= TERMP_NOPAD;
1.362 schwarze 1390: p->tcol->offset = p->tcol->rmargin;
1391: p->tcol->rmargin = rmargin;
1.251 schwarze 1392: }
1393:
1.1 kristaps 1394: p->flags |= TERMP_NOSPACE;
1395: term_word(p, "(");
1.222 kristaps 1396: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1397:
1.226 kristaps 1398: for (n = n->next; n; n = n->next) {
1.314 schwarze 1399: assert(n->type == ROFFT_TEXT);
1.102 kristaps 1400: term_fontpush(p, TERMFONT_UNDER);
1.255 schwarze 1401: if (pretty)
1402: p->flags |= TERMP_NBRWORD;
1.226 kristaps 1403: term_word(p, n->string);
1.102 kristaps 1404: term_fontpop(p);
1405:
1.226 kristaps 1406: if (n->next) {
1.222 kristaps 1407: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1408: term_word(p, ",");
1.222 kristaps 1409: }
1.1 kristaps 1410: }
1411:
1.222 kristaps 1412: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1413: term_word(p, ")");
1414:
1.226 kristaps 1415: if (pretty) {
1.222 kristaps 1416: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1417: term_word(p, ";");
1.251 schwarze 1418: term_flushln(p);
1.222 kristaps 1419: }
1.1 kristaps 1420:
1.328 schwarze 1421: return 0;
1.1 kristaps 1422: }
1423:
1424: static int
1425: termp_fa_pre(DECL_ARGS)
1426: {
1.315 schwarze 1427: const struct roff_node *nn;
1.1 kristaps 1428:
1.86 kristaps 1429: if (n->parent->tok != MDOC_Fo) {
1.102 kristaps 1430: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 1431: return 1;
1.1 kristaps 1432: }
1433:
1.86 kristaps 1434: for (nn = n->child; nn; nn = nn->next) {
1.102 kristaps 1435: term_fontpush(p, TERMFONT_UNDER);
1.258 schwarze 1436: p->flags |= TERMP_NBRWORD;
1.86 kristaps 1437: term_word(p, nn->string);
1.102 kristaps 1438: term_fontpop(p);
1439:
1.256 schwarze 1440: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222 kristaps 1441: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1442: term_word(p, ",");
1.222 kristaps 1443: }
1.1 kristaps 1444: }
1445:
1.328 schwarze 1446: return 0;
1.1 kristaps 1447: }
1448:
1449: static int
1450: termp_bd_pre(DECL_ARGS)
1451: {
1.302 schwarze 1452: int offset;
1.1 kristaps 1453:
1.314 schwarze 1454: if (n->type == ROFFT_BLOCK) {
1.151 kristaps 1455: print_bvspace(p, n, n);
1.328 schwarze 1456: return 1;
1.314 schwarze 1457: } else if (n->type == ROFFT_HEAD)
1.328 schwarze 1458: return 0;
1.1 kristaps 1459:
1.288 schwarze 1460: /* Handle the -offset argument. */
1461:
1462: if (n->norm->Bd.offs == NULL ||
1463: ! strcmp(n->norm->Bd.offs, "left"))
1464: /* nothing */;
1465: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1.362 schwarze 1466: p->tcol->offset += term_len(p, p->defindent + 1);
1.288 schwarze 1467: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1.362 schwarze 1468: p->tcol->offset += term_len(p, (p->defindent + 1) * 2);
1.302 schwarze 1469: else {
1470: offset = a2width(p, n->norm->Bd.offs);
1.362 schwarze 1471: if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
1472: p->tcol->offset = 0;
1.302 schwarze 1473: else if (offset < SHRT_MAX)
1.362 schwarze 1474: p->tcol->offset += offset;
1.302 schwarze 1475: }
1.85 kristaps 1476:
1.372 schwarze 1477: switch (n->norm->Bd.type) {
1478: case DISP_literal:
1.356 schwarze 1479: term_tab_set(p, NULL);
1480: term_tab_set(p, "T");
1481: term_tab_set(p, "8n");
1.372 schwarze 1482: break;
1483: case DISP_centered:
1484: p->flags |= TERMP_CENTER;
1485: break;
1486: default:
1487: break;
1.356 schwarze 1488: }
1.372 schwarze 1489: return 1;
1.1 kristaps 1490: }
1491:
1492: static void
1493: termp_bd_post(DECL_ARGS)
1494: {
1.314 schwarze 1495: if (n->type != ROFFT_BODY)
1.1 kristaps 1496: return;
1.372 schwarze 1497: if (n->norm->Bd.type == DISP_unfilled ||
1498: n->norm->Bd.type == DISP_literal)
1.361 schwarze 1499: p->flags |= TERMP_BRNEVER;
1.60 kristaps 1500: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1501: term_newln(p);
1.361 schwarze 1502: p->flags &= ~TERMP_BRNEVER;
1.372 schwarze 1503: if (n->norm->Bd.type == DISP_centered)
1504: p->flags &= ~TERMP_CENTER;
1.1 kristaps 1505: }
1506:
1507: static int
1.26 kristaps 1508: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1509: {
1.339 schwarze 1510: if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
1511: p->flags |= TERMP_PREKEEP;
1512: return 1;
1513: }
1.1 kristaps 1514:
1.339 schwarze 1515: static void
1516: termp_xx_post(DECL_ARGS)
1517: {
1518: if (n->aux == 0)
1519: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1 kristaps 1520: }
1521:
1522: static void
1523: termp_pf_post(DECL_ARGS)
1524: {
1525:
1.338 schwarze 1526: if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.298 schwarze 1527: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1528: }
1529:
1530: static int
1531: termp_ss_pre(DECL_ARGS)
1532: {
1.337 schwarze 1533: struct roff_node *nn;
1.1 kristaps 1534:
1.86 kristaps 1535: switch (n->type) {
1.314 schwarze 1536: case ROFFT_BLOCK:
1.1 kristaps 1537: term_newln(p);
1.337 schwarze 1538: for (nn = n->prev; nn != NULL; nn = nn->prev)
1.367 schwarze 1539: if (nn->type != ROFFT_COMMENT &&
1540: (nn->flags & NODE_NOPRT) == 0)
1.337 schwarze 1541: break;
1542: if (nn != NULL)
1.1 kristaps 1543: term_vspace(p);
1544: break;
1.314 schwarze 1545: case ROFFT_HEAD:
1.102 kristaps 1546: term_fontpush(p, TERMFONT_BOLD);
1.362 schwarze 1547: p->tcol->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1548: break;
1.314 schwarze 1549: case ROFFT_BODY:
1.362 schwarze 1550: p->tcol->offset = term_len(p, p->defindent);
1.356 schwarze 1551: term_tab_set(p, NULL);
1552: term_tab_set(p, "T");
1553: term_tab_set(p, ".5i");
1.274 schwarze 1554: break;
1.1 kristaps 1555: default:
1556: break;
1557: }
1558:
1.328 schwarze 1559: return 1;
1.1 kristaps 1560: }
1561:
1562: static void
1563: termp_ss_post(DECL_ARGS)
1564: {
1565:
1.314 schwarze 1566: if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1 kristaps 1567: term_newln(p);
1568: }
1569:
1570: static int
1571: termp_cd_pre(DECL_ARGS)
1572: {
1573:
1.143 kristaps 1574: synopsis_pre(p, n);
1.102 kristaps 1575: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1576: return 1;
1.1 kristaps 1577: }
1578:
1579: static int
1580: termp_in_pre(DECL_ARGS)
1581: {
1.142 schwarze 1582:
1.143 kristaps 1583: synopsis_pre(p, n);
1.1 kristaps 1584:
1.338 schwarze 1585: if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
1.138 kristaps 1586: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1587: term_word(p, "#include");
1.138 kristaps 1588: term_word(p, "<");
1589: } else {
1590: term_word(p, "<");
1591: term_fontpush(p, TERMFONT_UNDER);
1592: }
1.22 kristaps 1593:
1.1 kristaps 1594: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1595: return 1;
1.1 kristaps 1596: }
1597:
1598: static void
1599: termp_in_post(DECL_ARGS)
1600: {
1601:
1.338 schwarze 1602: if (NODE_SYNPRETTY & n->flags)
1.138 kristaps 1603: term_fontpush(p, TERMFONT_BOLD);
1604:
1.79 kristaps 1605: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1606: term_word(p, ">");
1607:
1.338 schwarze 1608: if (NODE_SYNPRETTY & n->flags)
1.138 kristaps 1609: term_fontpop(p);
1.1 kristaps 1610: }
1611:
1612: static int
1.355 schwarze 1613: termp_pp_pre(DECL_ARGS)
1.45 kristaps 1614: {
1.355 schwarze 1615: fn_prio = 0;
1616: term_vspace(p);
1.328 schwarze 1617: return 0;
1.45 kristaps 1618: }
1619:
1620: static int
1.294 schwarze 1621: termp_skip_pre(DECL_ARGS)
1.268 schwarze 1622: {
1623:
1.328 schwarze 1624: return 0;
1.268 schwarze 1625: }
1626:
1627: static int
1.188 kristaps 1628: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1629: {
1630:
1.314 schwarze 1631: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.328 schwarze 1632: return 1;
1.1 kristaps 1633:
1.188 kristaps 1634: switch (n->tok) {
1.264 schwarze 1635: case MDOC_Ao:
1636: case MDOC_Aq:
1.331 schwarze 1637: term_word(p, n->child != NULL && n->child->next == NULL &&
1.303 schwarze 1638: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.188 kristaps 1639: break;
1.264 schwarze 1640: case MDOC_Bro:
1641: case MDOC_Brq:
1.188 kristaps 1642: term_word(p, "{");
1643: break;
1.264 schwarze 1644: case MDOC_Oo:
1645: case MDOC_Op:
1646: case MDOC_Bo:
1647: case MDOC_Bq:
1.188 kristaps 1648: term_word(p, "[");
1649: break;
1.346 schwarze 1650: case MDOC__T:
1651: /* FALLTHROUGH */
1.264 schwarze 1652: case MDOC_Do:
1653: case MDOC_Dq:
1.366 schwarze 1654: term_word(p, "\\(lq");
1.188 kristaps 1655: break;
1.268 schwarze 1656: case MDOC_En:
1657: if (NULL == n->norm->Es ||
1658: NULL == n->norm->Es->child)
1.328 schwarze 1659: return 1;
1.268 schwarze 1660: term_word(p, n->norm->Es->child->string);
1661: break;
1.264 schwarze 1662: case MDOC_Po:
1663: case MDOC_Pq:
1.188 kristaps 1664: term_word(p, "(");
1665: break;
1.264 schwarze 1666: case MDOC_Qo:
1667: case MDOC_Qq:
1.188 kristaps 1668: term_word(p, "\"");
1669: break;
1.264 schwarze 1670: case MDOC_Ql:
1671: case MDOC_So:
1672: case MDOC_Sq:
1.249 schwarze 1673: term_word(p, "\\(oq");
1.188 kristaps 1674: break;
1675: default:
1676: abort();
1677: }
1.1 kristaps 1678:
1679: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1680: return 1;
1.1 kristaps 1681: }
1682:
1683: static void
1.188 kristaps 1684: termp_quote_post(DECL_ARGS)
1.1 kristaps 1685: {
1686:
1.314 schwarze 1687: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1 kristaps 1688: return;
1689:
1.306 schwarze 1690: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1691:
1.188 kristaps 1692: switch (n->tok) {
1.264 schwarze 1693: case MDOC_Ao:
1694: case MDOC_Aq:
1.331 schwarze 1695: term_word(p, n->child != NULL && n->child->next == NULL &&
1.303 schwarze 1696: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.188 kristaps 1697: break;
1.264 schwarze 1698: case MDOC_Bro:
1699: case MDOC_Brq:
1.188 kristaps 1700: term_word(p, "}");
1701: break;
1.264 schwarze 1702: case MDOC_Oo:
1703: case MDOC_Op:
1704: case MDOC_Bo:
1705: case MDOC_Bq:
1.188 kristaps 1706: term_word(p, "]");
1707: break;
1.346 schwarze 1708: case MDOC__T:
1709: /* FALLTHROUGH */
1.264 schwarze 1710: case MDOC_Do:
1711: case MDOC_Dq:
1.366 schwarze 1712: term_word(p, "\\(rq");
1.268 schwarze 1713: break;
1714: case MDOC_En:
1.306 schwarze 1715: if (n->norm->Es == NULL ||
1716: n->norm->Es->child == NULL ||
1717: n->norm->Es->child->next == NULL)
1718: p->flags &= ~TERMP_NOSPACE;
1719: else
1.268 schwarze 1720: term_word(p, n->norm->Es->child->next->string);
1.188 kristaps 1721: break;
1.264 schwarze 1722: case MDOC_Po:
1723: case MDOC_Pq:
1.188 kristaps 1724: term_word(p, ")");
1725: break;
1.264 schwarze 1726: case MDOC_Qo:
1727: case MDOC_Qq:
1.188 kristaps 1728: term_word(p, "\"");
1729: break;
1.264 schwarze 1730: case MDOC_Ql:
1731: case MDOC_So:
1732: case MDOC_Sq:
1.249 schwarze 1733: term_word(p, "\\(cq");
1.188 kristaps 1734: break;
1735: default:
1736: abort();
1737: }
1.306 schwarze 1738: }
1739:
1740: static int
1741: termp_eo_pre(DECL_ARGS)
1742: {
1743:
1.314 schwarze 1744: if (n->type != ROFFT_BODY)
1.328 schwarze 1745: return 1;
1.306 schwarze 1746:
1747: if (n->end == ENDBODY_NOT &&
1748: n->parent->head->child == NULL &&
1749: n->child != NULL &&
1750: n->child->end != ENDBODY_NOT)
1751: term_word(p, "\\&");
1752: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.309 schwarze 1753: n->parent->head->child != NULL && (n->child != NULL ||
1754: (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.306 schwarze 1755: p->flags |= TERMP_NOSPACE;
1756:
1.328 schwarze 1757: return 1;
1.306 schwarze 1758: }
1759:
1760: static void
1761: termp_eo_post(DECL_ARGS)
1762: {
1763: int body, tail;
1764:
1.314 schwarze 1765: if (n->type != ROFFT_BODY)
1.306 schwarze 1766: return;
1767:
1768: if (n->end != ENDBODY_NOT) {
1769: p->flags &= ~TERMP_NOSPACE;
1770: return;
1771: }
1772:
1773: body = n->child != NULL || n->parent->head->child != NULL;
1774: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1775:
1776: if (body && tail)
1777: p->flags |= TERMP_NOSPACE;
1778: else if ( ! (body || tail))
1779: term_word(p, "\\&");
1780: else if ( ! tail)
1781: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1782: }
1783:
1784: static int
1785: termp_fo_pre(DECL_ARGS)
1786: {
1.257 schwarze 1787: size_t rmargin = 0;
1.256 schwarze 1788: int pretty;
1789:
1.338 schwarze 1790: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1791:
1.314 schwarze 1792: if (n->type == ROFFT_BLOCK) {
1.143 kristaps 1793: synopsis_pre(p, n);
1.328 schwarze 1794: return 1;
1.314 schwarze 1795: } else if (n->type == ROFFT_BODY) {
1.256 schwarze 1796: if (pretty) {
1.362 schwarze 1797: rmargin = p->tcol->rmargin;
1798: p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
1.263 schwarze 1799: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1800: TERMP_HANG;
1.256 schwarze 1801: }
1.33 kristaps 1802: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1803: term_word(p, "(");
1.222 kristaps 1804: p->flags |= TERMP_NOSPACE;
1.256 schwarze 1805: if (pretty) {
1806: term_flushln(p);
1.263 schwarze 1807: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1808: TERMP_HANG);
1.360 schwarze 1809: p->flags |= TERMP_NOPAD;
1.362 schwarze 1810: p->tcol->offset = p->tcol->rmargin;
1811: p->tcol->rmargin = rmargin;
1.256 schwarze 1812: }
1.328 schwarze 1813: return 1;
1.256 schwarze 1814: }
1.141 kristaps 1815:
1.169 kristaps 1816: if (NULL == n->child)
1.328 schwarze 1817: return 0;
1.169 kristaps 1818:
1.141 kristaps 1819: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 1820:
1.141 kristaps 1821: assert(n->child->string);
1.102 kristaps 1822: term_fontpush(p, TERMFONT_BOLD);
1.141 kristaps 1823: term_word(p, n->child->string);
1.328 schwarze 1824: return 0;
1.1 kristaps 1825: }
1826:
1827: static void
1828: termp_fo_post(DECL_ARGS)
1829: {
1830:
1.314 schwarze 1831: if (n->type != ROFFT_BODY)
1.143 kristaps 1832: return;
1833:
1.222 kristaps 1834: p->flags |= TERMP_NOSPACE;
1.143 kristaps 1835: term_word(p, ")");
1836:
1.338 schwarze 1837: if (NODE_SYNPRETTY & n->flags) {
1.222 kristaps 1838: p->flags |= TERMP_NOSPACE;
1.143 kristaps 1839: term_word(p, ";");
1.256 schwarze 1840: term_flushln(p);
1.222 kristaps 1841: }
1.1 kristaps 1842: }
1843:
1844: static int
1845: termp_bf_pre(DECL_ARGS)
1846: {
1847:
1.314 schwarze 1848: if (n->type == ROFFT_HEAD)
1.328 schwarze 1849: return 0;
1.314 schwarze 1850: else if (n->type != ROFFT_BODY)
1.328 schwarze 1851: return 1;
1.1 kristaps 1852:
1.264 schwarze 1853: if (FONT_Em == n->norm->Bf.font)
1.102 kristaps 1854: term_fontpush(p, TERMFONT_UNDER);
1.264 schwarze 1855: else if (FONT_Sy == n->norm->Bf.font)
1.102 kristaps 1856: term_fontpush(p, TERMFONT_BOLD);
1.264 schwarze 1857: else
1.102 kristaps 1858: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 1859:
1.328 schwarze 1860: return 1;
1.1 kristaps 1861: }
1862:
1863: static int
1864: termp_sm_pre(DECL_ARGS)
1865: {
1866:
1.269 schwarze 1867: if (NULL == n->child)
1868: p->flags ^= TERMP_NONOSPACE;
1869: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 1870: p->flags &= ~TERMP_NONOSPACE;
1.269 schwarze 1871: else
1.1 kristaps 1872: p->flags |= TERMP_NONOSPACE;
1.269 schwarze 1873:
1874: if (p->col && ! (TERMP_NONOSPACE & p->flags))
1875: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1876:
1.328 schwarze 1877: return 0;
1.1 kristaps 1878: }
1879:
1880: static int
1881: termp_ap_pre(DECL_ARGS)
1882: {
1883:
1884: p->flags |= TERMP_NOSPACE;
1.188 kristaps 1885: term_word(p, "'");
1.1 kristaps 1886: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1887: return 1;
1.1 kristaps 1888: }
1889:
1890: static void
1891: termp____post(DECL_ARGS)
1892: {
1.184 kristaps 1893:
1894: /*
1895: * Handle lists of authors. In general, print each followed by
1896: * a comma. Don't print the comma if there are only two
1897: * authors.
1898: */
1899: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
1900: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
1901: if (NULL == n->prev || MDOC__A != n->prev->tok)
1902: return;
1.1 kristaps 1903:
1.95 kristaps 1904: /* TODO: %U. */
1905:
1.187 kristaps 1906: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
1907: return;
1908:
1.222 kristaps 1909: p->flags |= TERMP_NOSPACE;
1.186 kristaps 1910: if (NULL == n->next) {
1911: term_word(p, ".");
1912: p->flags |= TERMP_SENTENCE;
1913: } else
1914: term_word(p, ",");
1.1 kristaps 1915: }
1916:
1917: static int
1.102 kristaps 1918: termp_li_pre(DECL_ARGS)
1919: {
1920:
1.335 schwarze 1921: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1922: term_fontpush(p, TERMFONT_NONE);
1.328 schwarze 1923: return 1;
1.102 kristaps 1924: }
1925:
1926: static int
1.1 kristaps 1927: termp_lk_pre(DECL_ARGS)
1928: {
1.358 schwarze 1929: const struct roff_node *link, *descr, *punct;
1.1 kristaps 1930:
1.349 schwarze 1931: if ((link = n->child) == NULL)
1.328 schwarze 1932: return 0;
1.181 kristaps 1933:
1.358 schwarze 1934: /* Find beginning of trailing punctuation. */
1935: punct = n->last;
1936: while (punct != link && punct->flags & NODE_DELIMC)
1937: punct = punct->prev;
1938: punct = punct->next;
1939:
1.349 schwarze 1940: /* Link text. */
1.358 schwarze 1941: if ((descr = link->next) != NULL && descr != punct) {
1.240 schwarze 1942: term_fontpush(p, TERMFONT_UNDER);
1.358 schwarze 1943: while (descr != punct) {
1944: if (descr->flags & (NODE_DELIMC | NODE_DELIMO))
1945: p->flags |= TERMP_NOSPACE;
1.240 schwarze 1946: term_word(p, descr->string);
1947: descr = descr->next;
1948: }
1.347 schwarze 1949: term_fontpop(p);
1.240 schwarze 1950: p->flags |= TERMP_NOSPACE;
1951: term_word(p, ":");
1952: }
1.1 kristaps 1953:
1.349 schwarze 1954: /* Link target. */
1.102 kristaps 1955: term_fontpush(p, TERMFONT_BOLD);
1.240 schwarze 1956: term_word(p, link->string);
1.102 kristaps 1957: term_fontpop(p);
1.348 schwarze 1958:
1.349 schwarze 1959: /* Trailing punctuation. */
1.358 schwarze 1960: while (punct != NULL) {
1.349 schwarze 1961: p->flags |= TERMP_NOSPACE;
1.358 schwarze 1962: term_word(p, punct->string);
1963: punct = punct->next;
1.349 schwarze 1964: }
1.328 schwarze 1965: return 0;
1.1 kristaps 1966: }
1967:
1.159 schwarze 1968: static int
1969: termp_bk_pre(DECL_ARGS)
1970: {
1971:
1.161 schwarze 1972: switch (n->type) {
1.314 schwarze 1973: case ROFFT_BLOCK:
1.166 kristaps 1974: break;
1.314 schwarze 1975: case ROFFT_HEAD:
1.328 schwarze 1976: return 0;
1.314 schwarze 1977: case ROFFT_BODY:
1.331 schwarze 1978: if (n->parent->args != NULL || n->prev->child == NULL)
1.200 schwarze 1979: p->flags |= TERMP_PREKEEP;
1.166 kristaps 1980: break;
1.161 schwarze 1981: default:
1982: abort();
1983: }
1.166 kristaps 1984:
1.328 schwarze 1985: return 1;
1.159 schwarze 1986: }
1987:
1988: static void
1989: termp_bk_post(DECL_ARGS)
1990: {
1991:
1.314 schwarze 1992: if (n->type == ROFFT_BODY)
1.161 schwarze 1993: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203 kristaps 1994: }
1995:
1996: static void
1997: termp__t_post(DECL_ARGS)
1998: {
1999:
2000: /*
2001: * If we're in an `Rs' and there's a journal present, then quote
2002: * us instead of underlining us (for disambiguation).
2003: */
1.217 schwarze 2004: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2005: n->parent->norm->Rs.quote_T)
1.245 schwarze 2006: termp_quote_post(p, pair, meta, n);
1.203 kristaps 2007:
1.245 schwarze 2008: termp____post(p, pair, meta, n);
1.203 kristaps 2009: }
2010:
2011: static int
2012: termp__t_pre(DECL_ARGS)
2013: {
2014:
2015: /*
2016: * If we're in an `Rs' and there's a journal present, then quote
2017: * us instead of underlining us (for disambiguation).
2018: */
2019: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2020: n->parent->norm->Rs.quote_T)
1.328 schwarze 2021: return termp_quote_pre(p, pair, meta, n);
1.203 kristaps 2022:
2023: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 2024: return 1;
1.159 schwarze 2025: }
1.1 kristaps 2026:
2027: static int
1.69 kristaps 2028: termp_under_pre(DECL_ARGS)
1.1 kristaps 2029: {
2030:
1.102 kristaps 2031: term_fontpush(p, TERMFONT_UNDER);
1.334 schwarze 2032: return 1;
2033: }
2034:
2035: static int
2036: termp_em_pre(DECL_ARGS)
2037: {
2038: if (n->child != NULL &&
2039: n->child->type == ROFFT_TEXT)
2040: tag_put(n->child->string, 0, p->line);
2041: term_fontpush(p, TERMFONT_UNDER);
2042: return 1;
2043: }
2044:
2045: static int
2046: termp_sy_pre(DECL_ARGS)
2047: {
2048: if (n->child != NULL &&
2049: n->child->type == ROFFT_TEXT)
2050: tag_put(n->child->string, 0, p->line);
2051: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 2052: return 1;
1.323 schwarze 2053: }
2054:
2055: static int
2056: termp_er_pre(DECL_ARGS)
2057: {
2058:
2059: if (n->sec == SEC_ERRORS &&
2060: (n->parent->tok == MDOC_It ||
2061: (n->parent->tok == MDOC_Bq &&
1.324 schwarze 2062: n->parent->parent->parent->tok == MDOC_It)))
2063: tag_put(n->child->string, 1, p->line);
1.328 schwarze 2064: return 1;
1.320 schwarze 2065: }
2066:
2067: static int
2068: termp_tag_pre(DECL_ARGS)
2069: {
2070:
2071: if (n->child != NULL &&
2072: n->child->type == ROFFT_TEXT &&
1.333 schwarze 2073: (n->prev == NULL ||
2074: (n->prev->type == ROFFT_TEXT &&
2075: strcmp(n->prev->string, "|") == 0)) &&
1.320 schwarze 2076: (n->parent->tok == MDOC_It ||
2077: (n->parent->tok == MDOC_Xo &&
2078: n->parent->parent->prev == NULL &&
1.324 schwarze 2079: n->parent->parent->parent->tok == MDOC_It)))
2080: tag_put(n->child->string, 1, p->line);
1.328 schwarze 2081: return 1;
1.369 schwarze 2082: }
2083:
2084: static int
2085: termp_abort_pre(DECL_ARGS)
2086: {
2087: abort();
1.84 kristaps 2088: }
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