Annotation of mandoc/mdoc_term.c, Revision 1.381
1.381 ! schwarze 1: /* $Id: mdoc_term.c,v 1.380 2020/04/06 10:16:17 schwarze Exp $ */
1.1 kristaps 2: /*
1.381 ! schwarze 3: * Copyright (c) 2010, 2012-2020, 2022 Ingo Schwarze <schwarze@openbsd.org>
1.217 schwarze 4: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
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.
1.379 schwarze 18: *
19: * Plain text formatter for mdoc(7), used by mandoc(1)
20: * for ASCII, UTF-8, PostScript, and PDF output.
1.1 kristaps 21: */
1.107 kristaps 22: #include "config.h"
23:
1.1 kristaps 24: #include <sys/types.h>
25:
26: #include <assert.h>
27: #include <ctype.h>
1.302 schwarze 28: #include <limits.h>
1.118 kristaps 29: #include <stdint.h>
1.1 kristaps 30: #include <stdio.h>
31: #include <stdlib.h>
32: #include <string.h>
33:
1.314 schwarze 34: #include "mandoc_aux.h"
35: #include "roff.h"
36: #include "mdoc.h"
1.92 kristaps 37: #include "out.h"
1.1 kristaps 38: #include "term.h"
1.379 schwarze 39: #include "term_tag.h"
1.89 kristaps 40: #include "main.h"
1.1 kristaps 41:
42: struct termpair {
43: struct termpair *ppair;
1.31 kristaps 44: int count;
1.1 kristaps 45: };
46:
1.31 kristaps 47: #define DECL_ARGS struct termp *p, \
48: struct termpair *pair, \
1.316 schwarze 49: const struct roff_meta *meta, \
1.315 schwarze 50: struct roff_node *n
1.1 kristaps 51:
1.368 schwarze 52: struct mdoc_term_act {
1.1 kristaps 53: int (*pre)(DECL_ARGS);
54: void (*post)(DECL_ARGS);
55: };
56:
1.302 schwarze 57: static int a2width(const struct termp *, const char *);
1.96 kristaps 58:
59: static void print_bvspace(struct termp *,
1.377 schwarze 60: struct roff_node *, struct roff_node *);
1.264 schwarze 61: static void print_mdoc_node(DECL_ARGS);
1.145 kristaps 62: static void print_mdoc_nodelist(DECL_ARGS);
1.316 schwarze 63: static void print_mdoc_head(struct termp *, const struct roff_meta *);
64: static void print_mdoc_foot(struct termp *, const struct roff_meta *);
1.377 schwarze 65: static void synopsis_pre(struct termp *, struct roff_node *);
1.96 kristaps 66:
1.31 kristaps 67: static void termp____post(DECL_ARGS);
1.203 kristaps 68: static void termp__t_post(DECL_ARGS);
1.31 kristaps 69: static void termp_bd_post(DECL_ARGS);
1.159 schwarze 70: static void termp_bk_post(DECL_ARGS);
1.31 kristaps 71: static void termp_bl_post(DECL_ARGS);
1.306 schwarze 72: static void termp_eo_post(DECL_ARGS);
1.241 schwarze 73: static void termp_fd_post(DECL_ARGS);
1.31 kristaps 74: static void termp_fo_post(DECL_ARGS);
75: static void termp_in_post(DECL_ARGS);
76: static void termp_it_post(DECL_ARGS);
77: static void termp_lb_post(DECL_ARGS);
1.164 schwarze 78: static void termp_nm_post(DECL_ARGS);
1.31 kristaps 79: static void termp_pf_post(DECL_ARGS);
1.188 kristaps 80: static void termp_quote_post(DECL_ARGS);
1.31 kristaps 81: static void termp_sh_post(DECL_ARGS);
82: static void termp_ss_post(DECL_ARGS);
1.339 schwarze 83: static void termp_xx_post(DECL_ARGS);
1.31 kristaps 84:
1.184 kristaps 85: static int termp__a_pre(DECL_ARGS);
1.203 kristaps 86: static int termp__t_pre(DECL_ARGS);
1.369 schwarze 87: static int termp_abort_pre(DECL_ARGS);
1.61 kristaps 88: static int termp_an_pre(DECL_ARGS);
1.31 kristaps 89: static int termp_ap_pre(DECL_ARGS);
90: static int termp_bd_pre(DECL_ARGS);
91: static int termp_bf_pre(DECL_ARGS);
1.159 schwarze 92: static int termp_bk_pre(DECL_ARGS);
1.115 kristaps 93: static int termp_bl_pre(DECL_ARGS);
1.69 kristaps 94: static int termp_bold_pre(DECL_ARGS);
1.31 kristaps 95: static int termp_d1_pre(DECL_ARGS);
1.306 schwarze 96: static int termp_eo_pre(DECL_ARGS);
1.31 kristaps 97: static int termp_ex_pre(DECL_ARGS);
98: static int termp_fa_pre(DECL_ARGS);
1.188 kristaps 99: static int termp_fd_pre(DECL_ARGS);
1.31 kristaps 100: static int termp_fl_pre(DECL_ARGS);
101: static int termp_fn_pre(DECL_ARGS);
102: static int termp_fo_pre(DECL_ARGS);
103: static int termp_ft_pre(DECL_ARGS);
104: static int termp_in_pre(DECL_ARGS);
105: static int termp_it_pre(DECL_ARGS);
1.102 kristaps 106: static int termp_li_pre(DECL_ARGS);
1.31 kristaps 107: static int termp_lk_pre(DECL_ARGS);
108: static int termp_nd_pre(DECL_ARGS);
109: static int termp_nm_pre(DECL_ARGS);
110: static int termp_ns_pre(DECL_ARGS);
1.188 kristaps 111: static int termp_quote_pre(DECL_ARGS);
1.31 kristaps 112: static int termp_rs_pre(DECL_ARGS);
113: static int termp_sh_pre(DECL_ARGS);
1.294 schwarze 114: static int termp_skip_pre(DECL_ARGS);
1.31 kristaps 115: static int termp_sm_pre(DECL_ARGS);
1.355 schwarze 116: static int termp_pp_pre(DECL_ARGS);
1.31 kristaps 117: static int termp_ss_pre(DECL_ARGS);
1.69 kristaps 118: static int termp_under_pre(DECL_ARGS);
1.110 kristaps 119: static int termp_vt_pre(DECL_ARGS);
1.31 kristaps 120: static int termp_xr_pre(DECL_ARGS);
121: static int termp_xx_pre(DECL_ARGS);
122:
1.368 schwarze 123: static const struct mdoc_term_act mdoc_term_acts[MDOC_MAX - MDOC_Dd] = {
1.1 kristaps 124: { NULL, NULL }, /* Dd */
125: { NULL, NULL }, /* Dt */
126: { NULL, NULL }, /* Os */
127: { termp_sh_pre, termp_sh_post }, /* Sh */
1.264 schwarze 128: { termp_ss_pre, termp_ss_post }, /* Ss */
1.355 schwarze 129: { termp_pp_pre, NULL }, /* Pp */
1.241 schwarze 130: { termp_d1_pre, termp_bl_post }, /* D1 */
131: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 132: { termp_bd_pre, termp_bd_post }, /* Bd */
133: { NULL, NULL }, /* Ed */
1.115 kristaps 134: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 135: { NULL, NULL }, /* El */
136: { termp_it_pre, termp_it_post }, /* It */
1.264 schwarze 137: { termp_under_pre, NULL }, /* Ad */
1.282 schwarze 138: { termp_an_pre, NULL }, /* An */
1.350 schwarze 139: { termp_ap_pre, NULL }, /* Ap */
1.69 kristaps 140: { termp_under_pre, NULL }, /* Ar */
1.379 schwarze 141: { termp_fd_pre, NULL }, /* Cd */
1.69 kristaps 142: { termp_bold_pre, NULL }, /* Cm */
1.325 schwarze 143: { termp_li_pre, NULL }, /* Dv */
1.379 schwarze 144: { NULL, NULL }, /* Er */
145: { NULL, NULL }, /* Ev */
1.1 kristaps 146: { termp_ex_pre, NULL }, /* Ex */
1.264 schwarze 147: { termp_fa_pre, NULL }, /* Fa */
148: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 149: { termp_fl_pre, NULL }, /* Fl */
1.264 schwarze 150: { termp_fn_pre, NULL }, /* Fn */
151: { termp_ft_pre, NULL }, /* Ft */
152: { termp_bold_pre, NULL }, /* Ic */
153: { termp_in_pre, termp_in_post }, /* In */
1.102 kristaps 154: { termp_li_pre, NULL }, /* Li */
1.264 schwarze 155: { termp_nd_pre, NULL }, /* Nd */
156: { termp_nm_pre, termp_nm_post }, /* Nm */
1.188 kristaps 157: { termp_quote_pre, termp_quote_post }, /* Op */
1.369 schwarze 158: { termp_abort_pre, NULL }, /* Ot */
1.69 kristaps 159: { termp_under_pre, NULL }, /* Pa */
1.341 schwarze 160: { termp_ex_pre, NULL }, /* Rv */
1.264 schwarze 161: { NULL, NULL }, /* St */
1.69 kristaps 162: { termp_under_pre, NULL }, /* Va */
1.143 kristaps 163: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 164: { termp_xr_pre, NULL }, /* Xr */
1.184 kristaps 165: { termp__a_pre, termp____post }, /* %A */
1.84 kristaps 166: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 167: { NULL, termp____post }, /* %D */
1.84 kristaps 168: { termp_under_pre, termp____post }, /* %I */
1.69 kristaps 169: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 170: { NULL, termp____post }, /* %N */
171: { NULL, termp____post }, /* %O */
172: { NULL, termp____post }, /* %P */
173: { NULL, termp____post }, /* %R */
1.203 kristaps 174: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 175: { NULL, termp____post }, /* %V */
176: { NULL, NULL }, /* Ac */
1.188 kristaps 177: { termp_quote_pre, termp_quote_post }, /* Ao */
178: { termp_quote_pre, termp_quote_post }, /* Aq */
1.35 kristaps 179: { NULL, NULL }, /* At */
1.1 kristaps 180: { NULL, NULL }, /* Bc */
1.264 schwarze 181: { termp_bf_pre, NULL }, /* Bf */
1.188 kristaps 182: { termp_quote_pre, termp_quote_post }, /* Bo */
183: { termp_quote_pre, termp_quote_post }, /* Bq */
1.339 schwarze 184: { termp_xx_pre, termp_xx_post }, /* Bsx */
1.340 schwarze 185: { NULL, NULL }, /* Bx */
1.294 schwarze 186: { termp_skip_pre, NULL }, /* Db */
1.1 kristaps 187: { NULL, NULL }, /* Dc */
1.188 kristaps 188: { termp_quote_pre, termp_quote_post }, /* Do */
189: { termp_quote_pre, termp_quote_post }, /* Dq */
1.112 kristaps 190: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 191: { NULL, NULL }, /* Ef */
1.379 schwarze 192: { termp_under_pre, NULL }, /* Em */
1.306 schwarze 193: { termp_eo_pre, termp_eo_post }, /* Eo */
1.339 schwarze 194: { termp_xx_pre, termp_xx_post }, /* Fx */
1.176 kristaps 195: { termp_bold_pre, NULL }, /* Ms */
1.290 schwarze 196: { termp_li_pre, NULL }, /* No */
1.1 kristaps 197: { termp_ns_pre, NULL }, /* Ns */
1.339 schwarze 198: { termp_xx_pre, termp_xx_post }, /* Nx */
199: { termp_xx_pre, termp_xx_post }, /* Ox */
1.1 kristaps 200: { NULL, NULL }, /* Pc */
1.254 schwarze 201: { NULL, termp_pf_post }, /* Pf */
1.188 kristaps 202: { termp_quote_pre, termp_quote_post }, /* Po */
203: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 204: { NULL, NULL }, /* Qc */
1.188 kristaps 205: { termp_quote_pre, termp_quote_post }, /* Ql */
206: { termp_quote_pre, termp_quote_post }, /* Qo */
207: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 208: { NULL, NULL }, /* Re */
209: { termp_rs_pre, NULL }, /* Rs */
210: { NULL, NULL }, /* Sc */
1.188 kristaps 211: { termp_quote_pre, termp_quote_post }, /* So */
212: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 213: { termp_sm_pre, NULL }, /* Sm */
1.69 kristaps 214: { termp_under_pre, NULL }, /* Sx */
1.379 schwarze 215: { termp_bold_pre, NULL }, /* Sy */
1.1 kristaps 216: { NULL, NULL }, /* Tn */
1.339 schwarze 217: { termp_xx_pre, termp_xx_post }, /* Ux */
1.1 kristaps 218: { NULL, NULL }, /* Xc */
219: { NULL, NULL }, /* Xo */
1.264 schwarze 220: { termp_fo_pre, termp_fo_post }, /* Fo */
221: { NULL, NULL }, /* Fc */
1.188 kristaps 222: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 223: { NULL, NULL }, /* Oc */
1.159 schwarze 224: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 225: { NULL, NULL }, /* Ek */
1.341 schwarze 226: { NULL, NULL }, /* Bt */
1.1 kristaps 227: { NULL, NULL }, /* Hf */
1.268 schwarze 228: { termp_under_pre, NULL }, /* Fr */
1.341 schwarze 229: { NULL, NULL }, /* Ud */
1.37 kristaps 230: { NULL, termp_lb_post }, /* Lb */
1.369 schwarze 231: { termp_abort_pre, NULL }, /* Lp */
1.264 schwarze 232: { termp_lk_pre, NULL }, /* Lk */
233: { termp_under_pre, NULL }, /* Mt */
234: { termp_quote_pre, termp_quote_post }, /* Brq */
235: { termp_quote_pre, termp_quote_post }, /* Bro */
236: { NULL, NULL }, /* Brc */
237: { NULL, termp____post }, /* %C */
1.294 schwarze 238: { termp_skip_pre, NULL }, /* Es */
1.268 schwarze 239: { termp_quote_pre, termp_quote_post }, /* En */
1.339 schwarze 240: { termp_xx_pre, termp_xx_post }, /* Dx */
1.264 schwarze 241: { NULL, termp____post }, /* %Q */
242: { NULL, termp____post }, /* %U */
243: { NULL, NULL }, /* Ta */
1.378 schwarze 244: { termp_skip_pre, NULL }, /* Tg */
1.1 kristaps 245: };
246:
1.350 schwarze 247:
1.70 kristaps 248: void
1.371 schwarze 249: terminal_mdoc(void *arg, const struct roff_meta *mdoc)
1.1 kristaps 250: {
1.374 schwarze 251: struct roff_node *n, *nn;
1.89 kristaps 252: struct termp *p;
1.342 schwarze 253: size_t save_defindent;
1.89 kristaps 254:
255: p = (struct termp *)arg;
1.362 schwarze 256: p->tcol->rmargin = p->maxrmargin = p->defrmargin;
1.356 schwarze 257: term_tab_set(p, NULL);
258: term_tab_set(p, "T");
259: term_tab_set(p, ".5i");
1.70 kristaps 260:
1.319 schwarze 261: n = mdoc->first->child;
1.281 schwarze 262: if (p->synopsisonly) {
1.374 schwarze 263: for (nn = NULL; n != NULL; n = n->next) {
264: if (n->tok != MDOC_Sh)
265: continue;
266: if (n->sec == SEC_SYNOPSIS)
1.281 schwarze 267: break;
1.374 schwarze 268: if (nn == NULL && n->sec == SEC_NAME)
269: nn = n;
1.281 schwarze 270: }
1.374 schwarze 271: if (n == NULL)
272: n = nn;
273: p->flags |= TERMP_NOSPACE;
274: if (n != NULL && (n = n->child->next->child) != NULL)
275: print_mdoc_nodelist(p, NULL, mdoc, n);
276: term_newln(p);
1.281 schwarze 277: } else {
1.342 schwarze 278: save_defindent = p->defindent;
1.281 schwarze 279: if (p->defindent == 0)
280: p->defindent = 5;
1.371 schwarze 281: term_begin(p, print_mdoc_head, print_mdoc_foot, mdoc);
1.367 schwarze 282: while (n != NULL &&
283: (n->type == ROFFT_COMMENT ||
284: n->flags & NODE_NOPRT))
1.337 schwarze 285: n = n->next;
1.281 schwarze 286: if (n != NULL) {
287: if (n->tok != MDOC_Sh)
288: term_vspace(p);
1.371 schwarze 289: print_mdoc_nodelist(p, NULL, mdoc, n);
1.281 schwarze 290: }
291: term_end(p);
1.342 schwarze 292: p->defindent = save_defindent;
1.271 schwarze 293: }
1.1 kristaps 294: }
295:
1.3 kristaps 296: static void
1.102 kristaps 297: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 298: {
1.304 schwarze 299: while (n != NULL) {
300: print_mdoc_node(p, pair, meta, n);
301: n = n->next;
302: }
1.1 kristaps 303: }
304:
1.3 kristaps 305: static void
1.102 kristaps 306: print_mdoc_node(DECL_ARGS)
1.1 kristaps 307: {
1.368 schwarze 308: const struct mdoc_term_act *act;
1.1 kristaps 309: struct termpair npair;
1.30 kristaps 310: size_t offset, rmargin;
1.368 schwarze 311: int chld;
1.1 kristaps 312:
1.372 schwarze 313: /*
314: * In no-fill mode, break the output line at the beginning
315: * of new input lines except after \c, and nowhere else.
316: */
317:
318: if (n->flags & NODE_NOFILL) {
319: if (n->flags & NODE_LINE &&
320: (p->flags & TERMP_NONEWLINE) == 0)
321: term_newln(p);
322: p->flags |= TERMP_BRNEVER;
1.381 ! schwarze 323: } else {
! 324: if (n->flags & NODE_LINE)
! 325: term_tab_ref(p);
1.372 schwarze 326: p->flags &= ~TERMP_BRNEVER;
1.381 ! schwarze 327: }
1.372 schwarze 328:
1.367 schwarze 329: if (n->type == ROFFT_COMMENT || n->flags & NODE_NOPRT)
1.337 schwarze 330: return;
331:
1.70 kristaps 332: chld = 1;
1.362 schwarze 333: offset = p->tcol->offset;
334: rmargin = p->tcol->rmargin;
1.338 schwarze 335: n->flags &= ~NODE_ENDED;
1.305 schwarze 336: n->prev_font = p->fonti;
1.29 kristaps 337:
1.97 kristaps 338: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 339: npair.ppair = pair;
1.172 kristaps 340:
1.380 schwarze 341: if (n->flags & NODE_ID && n->tok != MDOC_Pp &&
342: (n->tok != MDOC_It || n->type != ROFFT_BLOCK))
1.379 schwarze 343: term_tag_write(n, p->line);
1.378 schwarze 344:
1.172 kristaps 345: /*
346: * Keeps only work until the end of a line. If a keep was
347: * invoked in a prior line, revert it to PREKEEP.
348: */
349:
1.338 schwarze 350: if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
1.307 schwarze 351: p->flags &= ~TERMP_KEEP;
352: p->flags |= TERMP_PREKEEP;
1.172 kristaps 353: }
1.197 schwarze 354:
355: /*
1.217 schwarze 356: * After the keep flags have been set up, we may now
357: * produce output. Note that some pre-handlers do so.
358: */
359:
1.373 schwarze 360: act = NULL;
1.217 schwarze 361: switch (n->type) {
1.314 schwarze 362: case ROFFT_TEXT:
1.372 schwarze 363: if (n->flags & NODE_LINE) {
364: switch (*n->string) {
365: case '\0':
366: if (p->flags & TERMP_NONEWLINE)
367: term_newln(p);
368: else
369: term_vspace(p);
370: return;
371: case ' ':
372: if ((p->flags & TERMP_NONEWLINE) == 0)
373: term_newln(p);
374: break;
375: default:
376: break;
377: }
378: }
1.338 schwarze 379: if (NODE_DELIMC & n->flags)
1.222 kristaps 380: p->flags |= TERMP_NOSPACE;
1.217 schwarze 381: term_word(p, n->string);
1.338 schwarze 382: if (NODE_DELIMO & n->flags)
1.222 kristaps 383: p->flags |= TERMP_NOSPACE;
1.217 schwarze 384: break;
1.314 schwarze 385: case ROFFT_EQN:
1.338 schwarze 386: if ( ! (n->flags & NODE_LINE))
1.284 schwarze 387: p->flags |= TERMP_NOSPACE;
1.233 kristaps 388: term_eqn(p, n->eqn);
1.338 schwarze 389: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.285 schwarze 390: p->flags |= TERMP_NOSPACE;
1.217 schwarze 391: break;
1.314 schwarze 392: case ROFFT_TBL:
1.313 schwarze 393: if (p->tbl.cols == NULL)
394: term_newln(p);
1.217 schwarze 395: term_tbl(p, n->span);
396: break;
397: default:
1.351 schwarze 398: if (n->tok < ROFF_MAX) {
1.352 schwarze 399: roff_term_pre(p, n);
1.354 schwarze 400: return;
1.351 schwarze 401: }
402: assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
1.368 schwarze 403: act = mdoc_term_acts + (n->tok - MDOC_Dd);
404: if (act->pre != NULL &&
1.331 schwarze 405: (n->end == ENDBODY_NOT || n->child != NULL))
1.368 schwarze 406: chld = (*act->pre)(p, &npair, meta, n);
1.217 schwarze 407: break;
408: }
409:
1.86 kristaps 410: if (chld && n->child)
1.245 schwarze 411: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 412:
1.244 schwarze 413: term_fontpopq(p,
1.310 schwarze 414: (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.46 kristaps 415:
1.206 kristaps 416: switch (n->type) {
1.314 schwarze 417: case ROFFT_TEXT:
1.206 kristaps 418: break;
1.314 schwarze 419: case ROFFT_TBL:
1.216 kristaps 420: break;
1.314 schwarze 421: case ROFFT_EQN:
1.206 kristaps 422: break;
423: default:
1.368 schwarze 424: if (act->post == NULL || n->flags & NODE_ENDED)
1.206 kristaps 425: break;
1.368 schwarze 426: (void)(*act->post)(p, &npair, meta, n);
1.162 schwarze 427:
428: /*
429: * Explicit end tokens not only call the post
430: * handler, but also tell the respective block
431: * that it must not call the post handler again.
432: */
1.165 kristaps 433: if (ENDBODY_NOT != n->end)
1.338 schwarze 434: n->body->flags |= NODE_ENDED;
1.206 kristaps 435: break;
1.162 schwarze 436: }
1.121 kristaps 437:
1.338 schwarze 438: if (NODE_EOS & n->flags)
1.121 kristaps 439: p->flags |= TERMP_SENTENCE;
1.29 kristaps 440:
1.359 schwarze 441: if (n->type != ROFFT_TEXT)
1.362 schwarze 442: p->tcol->offset = offset;
443: p->tcol->rmargin = rmargin;
1.1 kristaps 444: }
445:
1.3 kristaps 446: static void
1.316 schwarze 447: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 448: {
1.292 schwarze 449: size_t sz;
1.144 kristaps 450:
1.102 kristaps 451: term_fontrepl(p, TERMFONT_NONE);
1.101 kristaps 452:
1.264 schwarze 453: /*
1.9 kristaps 454: * Output the footer in new-groff style, that is, three columns
455: * with the middle being the manual date and flanking columns
456: * being the operating system:
457: *
458: * SYSTEM DATE SYSTEM
459: */
460:
1.1 kristaps 461: term_vspace(p);
462:
1.362 schwarze 463: p->tcol->offset = 0;
1.292 schwarze 464: sz = term_strlen(p, meta->date);
1.362 schwarze 465: p->tcol->rmargin = p->maxrmargin > sz ?
1.292 schwarze 466: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.250 schwarze 467: p->trailspace = 1;
1.1 kristaps 468: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
469:
1.245 schwarze 470: term_word(p, meta->os);
1.1 kristaps 471: term_flushln(p);
472:
1.362 schwarze 473: p->tcol->offset = p->tcol->rmargin;
1.292 schwarze 474: sz = term_strlen(p, meta->os);
1.362 schwarze 475: p->tcol->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.234 schwarze 476: p->flags |= TERMP_NOSPACE;
1.9 kristaps 477:
1.245 schwarze 478: term_word(p, meta->date);
1.9 kristaps 479: term_flushln(p);
480:
1.362 schwarze 481: p->tcol->offset = p->tcol->rmargin;
482: p->tcol->rmargin = p->maxrmargin;
1.250 schwarze 483: p->trailspace = 0;
1.1 kristaps 484: p->flags &= ~TERMP_NOBREAK;
1.234 schwarze 485: p->flags |= TERMP_NOSPACE;
1.1 kristaps 486:
1.245 schwarze 487: term_word(p, meta->os);
1.1 kristaps 488: term_flushln(p);
489:
1.362 schwarze 490: p->tcol->offset = 0;
491: p->tcol->rmargin = p->maxrmargin;
1.9 kristaps 492: p->flags = 0;
1.1 kristaps 493: }
494:
1.3 kristaps 495: static void
1.316 schwarze 496: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 497: {
1.267 schwarze 498: char *volume, *title;
499: size_t vollen, titlen;
1.1 kristaps 500:
501: /*
502: * The header is strange. It has three components, which are
503: * really two with the first duplicated. It goes like this:
504: *
505: * IDENTIFIER TITLE IDENTIFIER
506: *
507: * The IDENTIFIER is NAME(SECTION), which is the command-name
508: * (if given, or "unknown" if not) followed by the manual page
509: * section. These are given in `Dt'. The TITLE is a free-form
510: * string depending on the manual volume. If not specified, it
511: * switches on the manual section.
512: */
1.235 schwarze 513:
1.245 schwarze 514: assert(meta->vol);
1.267 schwarze 515: if (NULL == meta->arch)
516: volume = mandoc_strdup(meta->vol);
517: else
518: mandoc_asprintf(&volume, "%s (%s)",
519: meta->vol, meta->arch);
520: vollen = term_strlen(p, volume);
1.1 kristaps 521:
1.275 schwarze 522: if (NULL == meta->msec)
523: title = mandoc_strdup(meta->title);
524: else
525: mandoc_asprintf(&title, "%s(%s)",
526: meta->title, meta->msec);
1.235 schwarze 527: titlen = term_strlen(p, title);
1.1 kristaps 528:
1.235 schwarze 529: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250 schwarze 530: p->trailspace = 1;
1.362 schwarze 531: p->tcol->offset = 0;
532: p->tcol->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1.267 schwarze 533: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.292 schwarze 534: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 535:
536: term_word(p, title);
537: term_flushln(p);
538:
1.235 schwarze 539: p->flags |= TERMP_NOSPACE;
1.362 schwarze 540: p->tcol->offset = p->tcol->rmargin;
541: p->tcol->rmargin = p->tcol->offset + vollen + titlen <
542: p->maxrmargin ? p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 543:
1.267 schwarze 544: term_word(p, volume);
1.1 kristaps 545: term_flushln(p);
546:
547: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 548: p->trailspace = 0;
1.362 schwarze 549: if (p->tcol->rmargin + titlen <= p->maxrmargin) {
1.235 schwarze 550: p->flags |= TERMP_NOSPACE;
1.362 schwarze 551: p->tcol->offset = p->tcol->rmargin;
552: p->tcol->rmargin = p->maxrmargin;
1.235 schwarze 553: term_word(p, title);
554: term_flushln(p);
555: }
1.1 kristaps 556:
1.235 schwarze 557: p->flags &= ~TERMP_NOSPACE;
1.362 schwarze 558: p->tcol->offset = 0;
559: p->tcol->rmargin = p->maxrmargin;
1.266 schwarze 560: free(title);
1.267 schwarze 561: free(volume);
1.1 kristaps 562: }
563:
1.302 schwarze 564: static int
1.157 kristaps 565: a2width(const struct termp *p, const char *v)
1.91 kristaps 566: {
1.92 kristaps 567: struct roffsu su;
1.363 schwarze 568: const char *end;
1.1 kristaps 569:
1.363 schwarze 570: end = a2roffsu(v, &su, SCALE_MAX);
571: if (end == NULL || *end != '\0') {
1.157 kristaps 572: SCALE_HS_INIT(&su, term_strlen(p, v));
1.283 schwarze 573: su.scale /= term_strlen(p, "0");
1.302 schwarze 574: }
1.364 schwarze 575: return term_hen(p, &su);
1.1 kristaps 576: }
577:
1.108 kristaps 578: /*
579: * Determine how much space to print out before block elements of `It'
580: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
581: * too.
582: */
1.54 kristaps 583: static void
1.377 schwarze 584: print_bvspace(struct termp *p, struct roff_node *bl, struct roff_node *n)
1.1 kristaps 585: {
1.377 schwarze 586: struct roff_node *nn;
1.1 kristaps 587:
588: term_newln(p);
1.150 kristaps 589:
1.377 schwarze 590: if ((bl->tok == MDOC_Bd && bl->norm->Bd.comp) ||
591: (bl->tok == MDOC_Bl && bl->norm->Bl.comp))
1.54 kristaps 592: return;
593:
1.85 kristaps 594: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 595:
1.289 schwarze 596: nn = n;
1.377 schwarze 597: while (roff_node_prev(nn) == NULL) {
1.289 schwarze 598: do {
599: nn = nn->parent;
1.314 schwarze 600: if (nn->type == ROFFT_ROOT)
1.289 schwarze 601: return;
1.314 schwarze 602: } while (nn->type != ROFFT_BLOCK);
1.289 schwarze 603: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.54 kristaps 604: return;
1.289 schwarze 605: if (nn->tok == MDOC_It &&
606: nn->parent->parent->norm->Bl.type != LIST_item)
607: break;
1.1 kristaps 608: }
609:
1.377 schwarze 610: /*
611: * No vertical space after:
612: * items in .Bl -column
613: * items without a body in .Bl -diag
614: */
1.54 kristaps 615:
1.377 schwarze 616: if (bl->tok != MDOC_Bl ||
617: n->prev == NULL || n->prev->tok != MDOC_It ||
618: (bl->norm->Bl.type != LIST_column &&
619: (bl->norm->Bl.type != LIST_diag ||
620: n->prev->body->child != NULL)))
621: term_vspace(p);
1.260 schwarze 622: }
623:
1.1 kristaps 624:
625: static int
626: termp_it_pre(DECL_ARGS)
627: {
1.345 schwarze 628: struct roffsu su;
1.302 schwarze 629: char buf[24];
1.315 schwarze 630: const struct roff_node *bl, *nn;
1.302 schwarze 631: size_t ncols, dcol;
632: int i, offset, width;
1.126 kristaps 633: enum mdoc_list type;
1.1 kristaps 634:
1.314 schwarze 635: if (n->type == ROFFT_BLOCK) {
1.151 kristaps 636: print_bvspace(p, n->parent->parent, n);
1.380 schwarze 637: if (n->flags & NODE_ID)
638: term_tag_write(n, p->line);
1.328 schwarze 639: return 1;
1.54 kristaps 640: }
1.1 kristaps 641:
1.86 kristaps 642: bl = n->parent->parent->parent;
1.202 kristaps 643: type = bl->norm->Bl.type;
1.1 kristaps 644:
1.264 schwarze 645: /*
1.302 schwarze 646: * Defaults for specific list types.
647: */
648:
649: switch (type) {
650: case LIST_bullet:
651: case LIST_dash:
652: case LIST_hyphen:
653: case LIST_enum:
654: width = term_len(p, 2);
655: break;
656: case LIST_hang:
1.332 schwarze 657: case LIST_tag:
1.302 schwarze 658: width = term_len(p, 8);
659: break;
660: case LIST_column:
661: width = term_len(p, 10);
662: break;
663: default:
664: width = 0;
665: break;
666: }
667: offset = 0;
668:
669: /*
1.108 kristaps 670: * First calculate width and offset. This is pretty easy unless
671: * we're a -column list, in which case all prior columns must
672: * be accounted for.
673: */
674:
1.302 schwarze 675: if (bl->norm->Bl.offs != NULL) {
1.288 schwarze 676: offset = a2width(p, bl->norm->Bl.offs);
1.362 schwarze 677: if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
678: offset = -p->tcol->offset;
1.302 schwarze 679: else if (offset > SHRT_MAX)
680: offset = 0;
681: }
1.152 kristaps 682:
1.1 kristaps 683: switch (type) {
1.264 schwarze 684: case LIST_column:
1.314 schwarze 685: if (n->type == ROFFT_HEAD)
1.1 kristaps 686: break;
1.155 kristaps 687:
1.105 kristaps 688: /*
1.108 kristaps 689: * Imitate groff's column handling:
690: * - For each earlier column, add its width.
691: * - For less than 5 columns, add four more blanks per
692: * column.
693: * - For exactly 5 columns, add three more blank per
694: * column.
695: * - For more than 5 columns, add only one column.
1.105 kristaps 696: */
1.202 kristaps 697: ncols = bl->norm->Bl.ncols;
1.264 schwarze 698: dcol = ncols < 5 ? term_len(p, 4) :
699: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108 kristaps 700:
1.134 kristaps 701: /*
1.314 schwarze 702: * Calculate the offset by applying all prior ROFFT_BODY,
703: * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.134 kristaps 704: */
705:
1.264 schwarze 706: for (i = 0, nn = n->prev;
707: nn->prev && i < (int)ncols;
1.345 schwarze 708: nn = nn->prev, i++) {
709: SCALE_HS_INIT(&su,
710: term_strlen(p, bl->norm->Bl.cols[i]));
711: su.scale /= term_strlen(p, "0");
1.364 schwarze 712: offset += term_hen(p, &su) + dcol;
1.345 schwarze 713: }
1.105 kristaps 714:
715: /*
1.108 kristaps 716: * When exceeding the declared number of columns, leave
717: * the remaining widths at 0. This will later be
718: * adjusted to the default width of 10, or, for the last
719: * column, stretched to the right margin.
1.58 kristaps 720: */
1.108 kristaps 721: if (i >= (int)ncols)
722: break;
1.58 kristaps 723:
1.105 kristaps 724: /*
1.108 kristaps 725: * Use the declared column widths, extended as explained
726: * in the preceding paragraph.
1.105 kristaps 727: */
1.345 schwarze 728: SCALE_HS_INIT(&su, term_strlen(p, bl->norm->Bl.cols[i]));
729: su.scale /= term_strlen(p, "0");
1.364 schwarze 730: width = term_hen(p, &su) + dcol;
1.1 kristaps 731: break;
732: default:
1.202 kristaps 733: if (NULL == bl->norm->Bl.width)
1.108 kristaps 734: break;
735:
1.264 schwarze 736: /*
1.108 kristaps 737: * Note: buffer the width by 2, which is groff's magic
738: * number for buffering single arguments. See the above
739: * handling for column for how this changes.
740: */
1.202 kristaps 741: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.362 schwarze 742: if (width < 0 && (size_t)(-width) > p->tcol->offset)
743: width = -p->tcol->offset;
1.302 schwarze 744: else if (width > SHRT_MAX)
745: width = 0;
1.1 kristaps 746: break;
747: }
748:
1.264 schwarze 749: /*
1.17 kristaps 750: * Whitespace control. Inset bodies need an initial space,
751: * while diagonal bodies need two.
1.1 kristaps 752: */
753:
1.51 kristaps 754: p->flags |= TERMP_NOSPACE;
755:
1.1 kristaps 756: switch (type) {
1.264 schwarze 757: case LIST_diag:
1.314 schwarze 758: if (n->type == ROFFT_BODY)
1.62 kristaps 759: term_word(p, "\\ \\ ");
1.51 kristaps 760: break;
1.264 schwarze 761: case LIST_inset:
1.331 schwarze 762: if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.51 kristaps 763: term_word(p, "\\ ");
1.1 kristaps 764: break;
765: default:
766: break;
767: }
768:
1.51 kristaps 769: p->flags |= TERMP_NOSPACE;
770:
1.1 kristaps 771: switch (type) {
1.264 schwarze 772: case LIST_diag:
1.314 schwarze 773: if (n->type == ROFFT_HEAD)
1.102 kristaps 774: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 775: break;
776: default:
777: break;
778: }
779:
780: /*
1.109 kristaps 781: * Pad and break control. This is the tricky part. These flags
782: * are documented in term_flushln() in term.c. Note that we're
783: * going to unset all of these flags in termp_it_post() when we
784: * exit.
1.1 kristaps 785: */
786:
787: switch (type) {
1.264 schwarze 788: case LIST_enum:
1.329 schwarze 789: case LIST_bullet:
790: case LIST_dash:
791: case LIST_hyphen:
1.360 schwarze 792: if (n->type == ROFFT_HEAD) {
793: p->flags |= TERMP_NOBREAK | TERMP_HANG;
794: p->trailspace = 1;
795: } else if (width <= (int)term_len(p, 2))
796: p->flags |= TERMP_NOPAD;
1.39 kristaps 797: break;
1.264 schwarze 798: case LIST_hang:
1.314 schwarze 799: if (n->type != ROFFT_HEAD)
1.59 kristaps 800: break;
1.263 schwarze 801: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250 schwarze 802: p->trailspace = 1;
1.39 kristaps 803: break;
1.264 schwarze 804: case LIST_tag:
1.314 schwarze 805: if (n->type != ROFFT_HEAD)
1.39 kristaps 806: break;
1.250 schwarze 807:
1.326 schwarze 808: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.250 schwarze 809: p->trailspace = 2;
810:
1.86 kristaps 811: if (NULL == n->next || NULL == n->next->child)
1.360 schwarze 812: p->flags |= TERMP_HANG;
1.1 kristaps 813: break;
1.264 schwarze 814: case LIST_column:
1.314 schwarze 815: if (n->type == ROFFT_HEAD)
1.134 kristaps 816: break;
817:
1.250 schwarze 818: if (NULL == n->next) {
1.134 kristaps 819: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 820: p->trailspace = 0;
821: } else {
1.134 kristaps 822: p->flags |= TERMP_NOBREAK;
1.250 schwarze 823: p->trailspace = 1;
824: }
1.134 kristaps 825:
1.1 kristaps 826: break;
1.264 schwarze 827: case LIST_diag:
1.314 schwarze 828: if (n->type != ROFFT_HEAD)
1.250 schwarze 829: break;
1.263 schwarze 830: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 831: p->trailspace = 1;
1.1 kristaps 832: break;
833: default:
834: break;
835: }
836:
1.264 schwarze 837: /*
1.1 kristaps 838: * Margin control. Set-head-width lists have their right
839: * margins shortened. The body for these lists has the offset
840: * necessarily lengthened. Everybody gets the offset.
841: */
842:
1.362 schwarze 843: p->tcol->offset += offset;
1.1 kristaps 844:
845: switch (type) {
1.264 schwarze 846: case LIST_bullet:
847: case LIST_dash:
848: case LIST_enum:
849: case LIST_hyphen:
1.360 schwarze 850: case LIST_hang:
1.264 schwarze 851: case LIST_tag:
1.314 schwarze 852: if (n->type == ROFFT_HEAD)
1.362 schwarze 853: p->tcol->rmargin = p->tcol->offset + width;
1.292 schwarze 854: else
1.362 schwarze 855: p->tcol->offset += width;
1.1 kristaps 856: break;
1.264 schwarze 857: case LIST_column:
1.49 kristaps 858: assert(width);
1.362 schwarze 859: p->tcol->rmargin = p->tcol->offset + width;
1.264 schwarze 860: /*
1.50 kristaps 861: * XXX - this behaviour is not documented: the
862: * right-most column is filled to the right margin.
863: */
1.314 schwarze 864: if (n->type == ROFFT_HEAD)
1.134 kristaps 865: break;
1.362 schwarze 866: if (n->next == NULL && p->tcol->rmargin < p->maxrmargin)
867: p->tcol->rmargin = p->maxrmargin;
1.1 kristaps 868: break;
869: default:
870: break;
871: }
872:
1.264 schwarze 873: /*
1.1 kristaps 874: * The dash, hyphen, bullet and enum lists all have a special
1.264 schwarze 875: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 876: */
877:
1.314 schwarze 878: if (n->type == ROFFT_HEAD)
1.1 kristaps 879: switch (type) {
1.264 schwarze 880: case LIST_bullet:
1.102 kristaps 881: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 882: term_word(p, "\\[bu]");
1.102 kristaps 883: term_fontpop(p);
1.1 kristaps 884: break;
1.264 schwarze 885: case LIST_dash:
886: case LIST_hyphen:
1.102 kristaps 887: term_fontpush(p, TERMFONT_BOLD);
1.330 schwarze 888: term_word(p, "-");
1.102 kristaps 889: term_fontpop(p);
1.1 kristaps 890: break;
1.264 schwarze 891: case LIST_enum:
1.1 kristaps 892: (pair->ppair->ppair->count)++;
1.265 schwarze 893: (void)snprintf(buf, sizeof(buf), "%d.",
1.264 schwarze 894: pair->ppair->ppair->count);
1.1 kristaps 895: term_word(p, buf);
896: break;
897: default:
898: break;
899: }
900:
1.264 schwarze 901: /*
1.1 kristaps 902: * If we're not going to process our children, indicate so here.
903: */
904:
905: switch (type) {
1.264 schwarze 906: case LIST_bullet:
907: case LIST_item:
908: case LIST_dash:
909: case LIST_hyphen:
910: case LIST_enum:
1.314 schwarze 911: if (n->type == ROFFT_HEAD)
1.328 schwarze 912: return 0;
1.1 kristaps 913: break;
1.264 schwarze 914: case LIST_column:
1.314 schwarze 915: if (n->type == ROFFT_HEAD)
1.328 schwarze 916: return 0;
1.360 schwarze 917: p->minbl = 0;
1.1 kristaps 918: break;
919: default:
920: break;
921: }
922:
1.328 schwarze 923: return 1;
1.1 kristaps 924: }
925:
926: static void
927: termp_it_post(DECL_ARGS)
928: {
1.126 kristaps 929: enum mdoc_list type;
1.1 kristaps 930:
1.314 schwarze 931: if (n->type == ROFFT_BLOCK)
1.1 kristaps 932: return;
933:
1.202 kristaps 934: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 935:
936: switch (type) {
1.264 schwarze 937: case LIST_item:
938: case LIST_diag:
939: case LIST_inset:
1.314 schwarze 940: if (n->type == ROFFT_BODY)
1.130 schwarze 941: term_newln(p);
1.1 kristaps 942: break;
1.264 schwarze 943: case LIST_column:
1.314 schwarze 944: if (n->type == ROFFT_BODY)
1.1 kristaps 945: term_flushln(p);
946: break;
947: default:
1.130 schwarze 948: term_newln(p);
1.1 kristaps 949: break;
950: }
951:
1.264 schwarze 952: /*
1.109 kristaps 953: * Now that our output is flushed, we can reset our tags. Since
954: * only `It' sets these flags, we're free to assume that nobody
955: * has munged them in the meanwhile.
956: */
957:
1.360 schwarze 958: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 959: p->trailspace = 0;
1.1 kristaps 960: }
961:
962: static int
963: termp_nm_pre(DECL_ARGS)
964: {
1.296 schwarze 965: const char *cp;
1.1 kristaps 966:
1.314 schwarze 967: if (n->type == ROFFT_BLOCK) {
1.253 schwarze 968: p->flags |= TERMP_PREKEEP;
1.328 schwarze 969: return 1;
1.253 schwarze 970: }
1.164 schwarze 971:
1.314 schwarze 972: if (n->type == ROFFT_BODY) {
1.362 schwarze 973: if (n->child == NULL)
1.328 schwarze 974: return 0;
1.234 schwarze 975: p->flags |= TERMP_NOSPACE;
1.296 schwarze 976: cp = NULL;
977: if (n->prev->child != NULL)
978: cp = n->prev->child->string;
979: if (cp == NULL)
980: cp = meta->name;
981: if (cp == NULL)
1.362 schwarze 982: p->tcol->offset += term_len(p, 6);
1.296 schwarze 983: else
1.362 schwarze 984: p->tcol->offset += term_len(p, 1) +
985: term_strlen(p, cp);
1.328 schwarze 986: return 1;
1.164 schwarze 987: }
988:
1.343 schwarze 989: if (n->child == NULL)
1.328 schwarze 990: return 0;
1.125 kristaps 991:
1.314 schwarze 992: if (n->type == ROFFT_HEAD)
1.177 schwarze 993: synopsis_pre(p, n->parent);
1.102 kristaps 994:
1.314 schwarze 995: if (n->type == ROFFT_HEAD &&
1.362 schwarze 996: n->next != NULL && n->next->child != NULL) {
1.263 schwarze 997: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 998: p->trailspace = 1;
1.362 schwarze 999: p->tcol->rmargin = p->tcol->offset + term_len(p, 1);
1000: if (n->child == NULL)
1001: p->tcol->rmargin += term_strlen(p, meta->name);
1002: else if (n->child->type == ROFFT_TEXT) {
1003: p->tcol->rmargin += term_strlen(p, n->child->string);
1004: if (n->child->next != NULL)
1.185 schwarze 1005: p->flags |= TERMP_HANG;
1006: } else {
1.362 schwarze 1007: p->tcol->rmargin += term_len(p, 5);
1.185 schwarze 1008: p->flags |= TERMP_HANG;
1009: }
1.164 schwarze 1010: }
1.379 schwarze 1011: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1012: }
1013:
1.164 schwarze 1014: static void
1015: termp_nm_post(DECL_ARGS)
1016: {
1.379 schwarze 1017: switch (n->type) {
1018: case ROFFT_BLOCK:
1.253 schwarze 1019: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.379 schwarze 1020: break;
1021: case ROFFT_HEAD:
1022: if (n->next == NULL || n->next->child == NULL)
1023: break;
1.164 schwarze 1024: term_flushln(p);
1.263 schwarze 1025: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 1026: p->trailspace = 0;
1.379 schwarze 1027: break;
1028: case ROFFT_BODY:
1029: if (n->child != NULL)
1030: term_flushln(p);
1031: break;
1032: default:
1033: break;
1034: }
1.164 schwarze 1035: }
1036:
1.1 kristaps 1037: static int
1038: termp_fl_pre(DECL_ARGS)
1039: {
1.377 schwarze 1040: struct roff_node *nn;
1.1 kristaps 1041:
1.102 kristaps 1042: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1043: term_word(p, "\\-");
1.103 kristaps 1044:
1.377 schwarze 1045: if (n->child != NULL ||
1046: ((nn = roff_node_next(n)) != NULL &&
1047: nn->type != ROFFT_TEXT &&
1048: (nn->flags & NODE_LINE) == 0))
1.103 kristaps 1049: p->flags |= TERMP_NOSPACE;
1050:
1.328 schwarze 1051: return 1;
1.1 kristaps 1052: }
1053:
1054: static int
1.184 kristaps 1055: termp__a_pre(DECL_ARGS)
1056: {
1.377 schwarze 1057: struct roff_node *nn;
1.184 kristaps 1058:
1.377 schwarze 1059: if ((nn = roff_node_prev(n)) != NULL && nn->tok == MDOC__A &&
1060: ((nn = roff_node_next(n)) == NULL || nn->tok != MDOC__A))
1061: term_word(p, "and");
1.184 kristaps 1062:
1.328 schwarze 1063: return 1;
1.184 kristaps 1064: }
1065:
1066: static int
1.61 kristaps 1067: termp_an_pre(DECL_ARGS)
1068: {
1069:
1.282 schwarze 1070: if (n->norm->An.auth == AUTH_split) {
1071: p->flags &= ~TERMP_NOSPLIT;
1072: p->flags |= TERMP_SPLIT;
1.328 schwarze 1073: return 0;
1.282 schwarze 1074: }
1075: if (n->norm->An.auth == AUTH_nosplit) {
1076: p->flags &= ~TERMP_SPLIT;
1077: p->flags |= TERMP_NOSPLIT;
1.328 schwarze 1078: return 0;
1.282 schwarze 1079: }
1.264 schwarze 1080:
1.282 schwarze 1081: if (p->flags & TERMP_SPLIT)
1.61 kristaps 1082: term_newln(p);
1083:
1.282 schwarze 1084: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1085: p->flags |= TERMP_SPLIT;
1.61 kristaps 1086:
1.328 schwarze 1087: return 1;
1.61 kristaps 1088: }
1089:
1090: static int
1.1 kristaps 1091: termp_ns_pre(DECL_ARGS)
1092: {
1093:
1.338 schwarze 1094: if ( ! (NODE_LINE & n->flags))
1.215 kristaps 1095: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1096: return 1;
1.1 kristaps 1097: }
1098:
1099: static int
1100: termp_rs_pre(DECL_ARGS)
1101: {
1.86 kristaps 1102: if (SEC_SEE_ALSO != n->sec)
1.328 schwarze 1103: return 1;
1.377 schwarze 1104: if (n->type == ROFFT_BLOCK && roff_node_prev(n) != NULL)
1.1 kristaps 1105: term_vspace(p);
1.328 schwarze 1106: return 1;
1.1 kristaps 1107: }
1108:
1109: static int
1110: termp_ex_pre(DECL_ARGS)
1111: {
1.224 kristaps 1112: term_newln(p);
1.341 schwarze 1113: return 1;
1.1 kristaps 1114: }
1115:
1116: static int
1117: termp_nd_pre(DECL_ARGS)
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: {
1.380 schwarze 1127: switch (n->type) {
1128: case ROFFT_BLOCK:
1129: term_newln(p);
1130: return 1;
1131: case ROFFT_HEAD:
1132: return 0;
1133: default:
1134: return 1;
1135: }
1.1 kristaps 1136: }
1137:
1138: static void
1139: termp_bl_post(DECL_ARGS)
1140: {
1.356 schwarze 1141: if (n->type != ROFFT_BLOCK)
1142: return;
1143: term_newln(p);
1144: if (n->tok != MDOC_Bl || n->norm->Bl.type != LIST_column)
1145: return;
1146: term_tab_set(p, NULL);
1147: term_tab_set(p, "T");
1148: term_tab_set(p, ".5i");
1.1 kristaps 1149: }
1150:
1151: static int
1152: termp_xr_pre(DECL_ARGS)
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
1.377 schwarze 1182: synopsis_pre(struct termp *p, struct roff_node *n)
1.143 kristaps 1183: {
1.377 schwarze 1184: struct roff_node *np;
1185:
1186: if ((n->flags & NODE_SYNPRETTY) == 0 ||
1187: (np = roff_node_prev(n)) == NULL)
1.143 kristaps 1188: return;
1189:
1190: /*
1191: * If we're the second in a pair of like elements, emit our
1192: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1193: * case we soldier on.
1194: */
1.377 schwarze 1195: if (np->tok == n->tok &&
1.264 schwarze 1196: MDOC_Ft != n->tok &&
1197: MDOC_Fo != n->tok &&
1198: MDOC_Fn != n->tok) {
1.143 kristaps 1199: term_newln(p);
1200: return;
1201: }
1202:
1203: /*
1204: * If we're one of the SYNOPSIS set and non-like pair-wise after
1205: * another (or Fn/Fo, which we've let slip through) then assert
1206: * vertical space, else only newline and move on.
1207: */
1.377 schwarze 1208: switch (np->tok) {
1.264 schwarze 1209: case MDOC_Fd:
1210: case MDOC_Fn:
1211: case MDOC_Fo:
1212: case MDOC_In:
1213: case MDOC_Vt:
1.143 kristaps 1214: term_vspace(p);
1215: break;
1.264 schwarze 1216: case MDOC_Ft:
1.377 schwarze 1217: if (n->tok != MDOC_Fn && n->tok != MDOC_Fo) {
1.143 kristaps 1218: term_vspace(p);
1219: break;
1220: }
1221: /* FALLTHROUGH */
1222: default:
1223: term_newln(p);
1224: break;
1225: }
1226: }
1227:
1.110 kristaps 1228: static int
1229: termp_vt_pre(DECL_ARGS)
1230: {
1.379 schwarze 1231: switch (n->type) {
1232: case ROFFT_ELEM:
1233: return termp_ft_pre(p, pair, meta, n);
1234: case ROFFT_BLOCK:
1.143 kristaps 1235: synopsis_pre(p, n);
1.328 schwarze 1236: return 1;
1.379 schwarze 1237: case ROFFT_HEAD:
1.328 schwarze 1238: return 0;
1.379 schwarze 1239: default:
1240: return termp_under_pre(p, pair, meta, n);
1241: }
1.110 kristaps 1242: }
1243:
1.1 kristaps 1244: static int
1.69 kristaps 1245: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1246: {
1.102 kristaps 1247: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1248: return 1;
1.1 kristaps 1249: }
1250:
1.143 kristaps 1251: static int
1252: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1253: {
1.143 kristaps 1254: synopsis_pre(p, n);
1.328 schwarze 1255: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1256: }
1257:
1.241 schwarze 1258: static void
1259: termp_fd_post(DECL_ARGS)
1260: {
1261: term_newln(p);
1262: }
1263:
1.1 kristaps 1264: static int
1265: termp_sh_pre(DECL_ARGS)
1266: {
1.377 schwarze 1267: struct roff_node *np;
1.85 kristaps 1268:
1.86 kristaps 1269: switch (n->type) {
1.314 schwarze 1270: case ROFFT_BLOCK:
1.293 schwarze 1271: /*
1272: * Vertical space before sections, except
1273: * when the previous section was empty.
1274: */
1.377 schwarze 1275: if ((np = roff_node_prev(n)) == NULL ||
1276: np->tok != MDOC_Sh ||
1277: (np->body != NULL && np->body->child != NULL))
1.293 schwarze 1278: term_vspace(p);
1.65 kristaps 1279: break;
1.314 schwarze 1280: case ROFFT_HEAD:
1.379 schwarze 1281: return termp_bold_pre(p, pair, meta, n);
1.314 schwarze 1282: case ROFFT_BODY:
1.362 schwarze 1283: p->tcol->offset = term_len(p, p->defindent);
1.356 schwarze 1284: term_tab_set(p, NULL);
1285: term_tab_set(p, "T");
1286: term_tab_set(p, ".5i");
1.379 schwarze 1287: if (n->sec == SEC_AUTHORS)
1.239 schwarze 1288: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1289: break;
1290: default:
1291: break;
1292: }
1.328 schwarze 1293: return 1;
1.1 kristaps 1294: }
1295:
1296: static void
1297: termp_sh_post(DECL_ARGS)
1298: {
1.86 kristaps 1299: switch (n->type) {
1.314 schwarze 1300: case ROFFT_HEAD:
1.1 kristaps 1301: term_newln(p);
1302: break;
1.314 schwarze 1303: case ROFFT_BODY:
1.1 kristaps 1304: term_newln(p);
1.362 schwarze 1305: p->tcol->offset = 0;
1.1 kristaps 1306: break;
1307: default:
1308: break;
1309: }
1310: }
1311:
1312: static void
1313: termp_lb_post(DECL_ARGS)
1314: {
1.379 schwarze 1315: if (n->sec == SEC_LIBRARY && n->flags & NODE_LINE)
1.81 kristaps 1316: term_newln(p);
1.1 kristaps 1317: }
1318:
1319: static int
1320: termp_d1_pre(DECL_ARGS)
1321: {
1.314 schwarze 1322: if (n->type != ROFFT_BLOCK)
1.328 schwarze 1323: return 1;
1.1 kristaps 1324: term_newln(p);
1.362 schwarze 1325: p->tcol->offset += term_len(p, p->defindent + 1);
1.356 schwarze 1326: term_tab_set(p, NULL);
1327: term_tab_set(p, "T");
1328: term_tab_set(p, ".5i");
1.328 schwarze 1329: return 1;
1.1 kristaps 1330: }
1331:
1332: static int
1333: termp_ft_pre(DECL_ARGS)
1334: {
1.143 kristaps 1335: synopsis_pre(p, n);
1.379 schwarze 1336: return termp_under_pre(p, pair, meta, n);
1.1 kristaps 1337: }
1338:
1339: static int
1340: termp_fn_pre(DECL_ARGS)
1341: {
1.257 schwarze 1342: size_t rmargin = 0;
1.226 kristaps 1343: int pretty;
1344:
1.143 kristaps 1345: synopsis_pre(p, n);
1.379 schwarze 1346: pretty = n->flags & NODE_SYNPRETTY;
1347: if ((n = n->child) == NULL)
1.328 schwarze 1348: return 0;
1.226 kristaps 1349:
1.251 schwarze 1350: if (pretty) {
1.362 schwarze 1351: rmargin = p->tcol->rmargin;
1352: p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
1.263 schwarze 1353: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251 schwarze 1354: }
1355:
1.314 schwarze 1356: assert(n->type == ROFFT_TEXT);
1.102 kristaps 1357: term_fontpush(p, TERMFONT_BOLD);
1.226 kristaps 1358: term_word(p, n->string);
1.102 kristaps 1359: term_fontpop(p);
1.1 kristaps 1360:
1.251 schwarze 1361: if (pretty) {
1362: term_flushln(p);
1.263 schwarze 1363: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.360 schwarze 1364: p->flags |= TERMP_NOPAD;
1.362 schwarze 1365: p->tcol->offset = p->tcol->rmargin;
1366: p->tcol->rmargin = rmargin;
1.251 schwarze 1367: }
1368:
1.1 kristaps 1369: p->flags |= TERMP_NOSPACE;
1370: term_word(p, "(");
1.222 kristaps 1371: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1372:
1.226 kristaps 1373: for (n = n->next; n; n = n->next) {
1.314 schwarze 1374: assert(n->type == ROFFT_TEXT);
1.102 kristaps 1375: term_fontpush(p, TERMFONT_UNDER);
1.255 schwarze 1376: if (pretty)
1377: p->flags |= TERMP_NBRWORD;
1.226 kristaps 1378: term_word(p, n->string);
1.102 kristaps 1379: term_fontpop(p);
1380:
1.226 kristaps 1381: if (n->next) {
1.222 kristaps 1382: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1383: term_word(p, ",");
1.222 kristaps 1384: }
1.1 kristaps 1385: }
1386:
1.222 kristaps 1387: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1388: term_word(p, ")");
1389:
1.226 kristaps 1390: if (pretty) {
1.222 kristaps 1391: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1392: term_word(p, ";");
1.251 schwarze 1393: term_flushln(p);
1.222 kristaps 1394: }
1.328 schwarze 1395: return 0;
1.1 kristaps 1396: }
1397:
1398: static int
1399: termp_fa_pre(DECL_ARGS)
1400: {
1.315 schwarze 1401: const struct roff_node *nn;
1.1 kristaps 1402:
1.379 schwarze 1403: if (n->parent->tok != MDOC_Fo)
1404: return termp_under_pre(p, pair, meta, n);
1405:
1.377 schwarze 1406: for (nn = n->child; nn != NULL; nn = nn->next) {
1.102 kristaps 1407: term_fontpush(p, TERMFONT_UNDER);
1.258 schwarze 1408: p->flags |= TERMP_NBRWORD;
1.86 kristaps 1409: term_word(p, nn->string);
1.102 kristaps 1410: term_fontpop(p);
1.377 schwarze 1411: if (nn->next != NULL) {
1.222 kristaps 1412: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1413: term_word(p, ",");
1.222 kristaps 1414: }
1.1 kristaps 1415: }
1.377 schwarze 1416: if (n->child != NULL &&
1417: (nn = roff_node_next(n)) != NULL &&
1418: nn->tok == MDOC_Fa) {
1419: p->flags |= TERMP_NOSPACE;
1420: term_word(p, ",");
1421: }
1.328 schwarze 1422: return 0;
1.1 kristaps 1423: }
1424:
1425: static int
1426: termp_bd_pre(DECL_ARGS)
1427: {
1.302 schwarze 1428: int offset;
1.1 kristaps 1429:
1.314 schwarze 1430: if (n->type == ROFFT_BLOCK) {
1.151 kristaps 1431: print_bvspace(p, n, n);
1.328 schwarze 1432: return 1;
1.314 schwarze 1433: } else if (n->type == ROFFT_HEAD)
1.328 schwarze 1434: return 0;
1.1 kristaps 1435:
1.288 schwarze 1436: /* Handle the -offset argument. */
1437:
1438: if (n->norm->Bd.offs == NULL ||
1439: ! strcmp(n->norm->Bd.offs, "left"))
1440: /* nothing */;
1441: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1.362 schwarze 1442: p->tcol->offset += term_len(p, p->defindent + 1);
1.288 schwarze 1443: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1.362 schwarze 1444: p->tcol->offset += term_len(p, (p->defindent + 1) * 2);
1.302 schwarze 1445: else {
1446: offset = a2width(p, n->norm->Bd.offs);
1.362 schwarze 1447: if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
1448: p->tcol->offset = 0;
1.302 schwarze 1449: else if (offset < SHRT_MAX)
1.362 schwarze 1450: p->tcol->offset += offset;
1.302 schwarze 1451: }
1.85 kristaps 1452:
1.372 schwarze 1453: switch (n->norm->Bd.type) {
1454: case DISP_literal:
1.356 schwarze 1455: term_tab_set(p, NULL);
1456: term_tab_set(p, "T");
1457: term_tab_set(p, "8n");
1.372 schwarze 1458: break;
1459: case DISP_centered:
1460: p->flags |= TERMP_CENTER;
1461: break;
1462: default:
1463: break;
1.356 schwarze 1464: }
1.372 schwarze 1465: return 1;
1.1 kristaps 1466: }
1467:
1468: static void
1469: termp_bd_post(DECL_ARGS)
1470: {
1.314 schwarze 1471: if (n->type != ROFFT_BODY)
1.1 kristaps 1472: return;
1.372 schwarze 1473: if (n->norm->Bd.type == DISP_unfilled ||
1474: n->norm->Bd.type == DISP_literal)
1.361 schwarze 1475: p->flags |= TERMP_BRNEVER;
1.60 kristaps 1476: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1477: term_newln(p);
1.361 schwarze 1478: p->flags &= ~TERMP_BRNEVER;
1.372 schwarze 1479: if (n->norm->Bd.type == DISP_centered)
1480: p->flags &= ~TERMP_CENTER;
1.1 kristaps 1481: }
1482:
1483: static int
1.26 kristaps 1484: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1485: {
1.339 schwarze 1486: if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
1487: p->flags |= TERMP_PREKEEP;
1488: return 1;
1489: }
1.1 kristaps 1490:
1.339 schwarze 1491: static void
1492: termp_xx_post(DECL_ARGS)
1493: {
1494: if (n->aux == 0)
1495: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1 kristaps 1496: }
1497:
1498: static void
1499: termp_pf_post(DECL_ARGS)
1500: {
1.377 schwarze 1501: if (n->next != NULL && (n->next->flags & NODE_LINE) == 0)
1.298 schwarze 1502: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1503: }
1504:
1505: static int
1506: termp_ss_pre(DECL_ARGS)
1507: {
1.86 kristaps 1508: switch (n->type) {
1.314 schwarze 1509: case ROFFT_BLOCK:
1.377 schwarze 1510: if (roff_node_prev(n) == NULL)
1511: term_newln(p);
1512: else
1.1 kristaps 1513: term_vspace(p);
1514: break;
1.314 schwarze 1515: case ROFFT_HEAD:
1.362 schwarze 1516: p->tcol->offset = term_len(p, (p->defindent+1)/2);
1.379 schwarze 1517: return termp_bold_pre(p, pair, meta, n);
1.314 schwarze 1518: case ROFFT_BODY:
1.362 schwarze 1519: p->tcol->offset = term_len(p, p->defindent);
1.356 schwarze 1520: term_tab_set(p, NULL);
1521: term_tab_set(p, "T");
1522: term_tab_set(p, ".5i");
1.274 schwarze 1523: break;
1.1 kristaps 1524: default:
1525: break;
1526: }
1.328 schwarze 1527: return 1;
1.1 kristaps 1528: }
1529:
1530: static void
1531: termp_ss_post(DECL_ARGS)
1532: {
1.314 schwarze 1533: if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1 kristaps 1534: term_newln(p);
1535: }
1536:
1537: static int
1538: termp_in_pre(DECL_ARGS)
1539: {
1.143 kristaps 1540: synopsis_pre(p, n);
1.379 schwarze 1541: if (n->flags & NODE_SYNPRETTY && n->flags & NODE_LINE) {
1.138 kristaps 1542: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1543: term_word(p, "#include");
1.138 kristaps 1544: term_word(p, "<");
1545: } else {
1546: term_word(p, "<");
1547: term_fontpush(p, TERMFONT_UNDER);
1548: }
1.1 kristaps 1549: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1550: return 1;
1.1 kristaps 1551: }
1552:
1553: static void
1554: termp_in_post(DECL_ARGS)
1555: {
1.379 schwarze 1556: if (n->flags & NODE_SYNPRETTY)
1.138 kristaps 1557: term_fontpush(p, TERMFONT_BOLD);
1.79 kristaps 1558: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1559: term_word(p, ">");
1.379 schwarze 1560: if (n->flags & NODE_SYNPRETTY)
1.138 kristaps 1561: term_fontpop(p);
1.1 kristaps 1562: }
1563:
1564: static int
1.355 schwarze 1565: termp_pp_pre(DECL_ARGS)
1.45 kristaps 1566: {
1.355 schwarze 1567: term_vspace(p);
1.380 schwarze 1568: if (n->flags & NODE_ID)
1569: term_tag_write(n, p->line);
1.328 schwarze 1570: return 0;
1.45 kristaps 1571: }
1572:
1573: static int
1.294 schwarze 1574: termp_skip_pre(DECL_ARGS)
1.268 schwarze 1575: {
1.328 schwarze 1576: return 0;
1.268 schwarze 1577: }
1578:
1579: static int
1.188 kristaps 1580: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1581: {
1.314 schwarze 1582: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.328 schwarze 1583: return 1;
1.1 kristaps 1584:
1.188 kristaps 1585: switch (n->tok) {
1.264 schwarze 1586: case MDOC_Ao:
1587: case MDOC_Aq:
1.331 schwarze 1588: term_word(p, n->child != NULL && n->child->next == NULL &&
1.303 schwarze 1589: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.188 kristaps 1590: break;
1.264 schwarze 1591: case MDOC_Bro:
1592: case MDOC_Brq:
1.188 kristaps 1593: term_word(p, "{");
1594: break;
1.264 schwarze 1595: case MDOC_Oo:
1596: case MDOC_Op:
1597: case MDOC_Bo:
1598: case MDOC_Bq:
1.188 kristaps 1599: term_word(p, "[");
1600: break;
1.346 schwarze 1601: case MDOC__T:
1602: /* FALLTHROUGH */
1.264 schwarze 1603: case MDOC_Do:
1604: case MDOC_Dq:
1.366 schwarze 1605: term_word(p, "\\(lq");
1.188 kristaps 1606: break;
1.268 schwarze 1607: case MDOC_En:
1608: if (NULL == n->norm->Es ||
1609: NULL == n->norm->Es->child)
1.328 schwarze 1610: return 1;
1.268 schwarze 1611: term_word(p, n->norm->Es->child->string);
1612: break;
1.264 schwarze 1613: case MDOC_Po:
1614: case MDOC_Pq:
1.188 kristaps 1615: term_word(p, "(");
1616: break;
1.264 schwarze 1617: case MDOC_Qo:
1618: case MDOC_Qq:
1.188 kristaps 1619: term_word(p, "\"");
1620: break;
1.264 schwarze 1621: case MDOC_Ql:
1622: case MDOC_So:
1623: case MDOC_Sq:
1.249 schwarze 1624: term_word(p, "\\(oq");
1.188 kristaps 1625: break;
1626: default:
1627: abort();
1628: }
1.1 kristaps 1629:
1630: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1631: return 1;
1.1 kristaps 1632: }
1633:
1634: static void
1.188 kristaps 1635: termp_quote_post(DECL_ARGS)
1.1 kristaps 1636: {
1637:
1.314 schwarze 1638: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1 kristaps 1639: return;
1640:
1.306 schwarze 1641: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1642:
1.188 kristaps 1643: switch (n->tok) {
1.264 schwarze 1644: case MDOC_Ao:
1645: case MDOC_Aq:
1.331 schwarze 1646: term_word(p, n->child != NULL && n->child->next == NULL &&
1.303 schwarze 1647: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.188 kristaps 1648: break;
1.264 schwarze 1649: case MDOC_Bro:
1650: case MDOC_Brq:
1.188 kristaps 1651: term_word(p, "}");
1652: break;
1.264 schwarze 1653: case MDOC_Oo:
1654: case MDOC_Op:
1655: case MDOC_Bo:
1656: case MDOC_Bq:
1.188 kristaps 1657: term_word(p, "]");
1658: break;
1.346 schwarze 1659: case MDOC__T:
1660: /* FALLTHROUGH */
1.264 schwarze 1661: case MDOC_Do:
1662: case MDOC_Dq:
1.366 schwarze 1663: term_word(p, "\\(rq");
1.268 schwarze 1664: break;
1665: case MDOC_En:
1.306 schwarze 1666: if (n->norm->Es == NULL ||
1667: n->norm->Es->child == NULL ||
1668: n->norm->Es->child->next == NULL)
1669: p->flags &= ~TERMP_NOSPACE;
1670: else
1.268 schwarze 1671: term_word(p, n->norm->Es->child->next->string);
1.188 kristaps 1672: break;
1.264 schwarze 1673: case MDOC_Po:
1674: case MDOC_Pq:
1.188 kristaps 1675: term_word(p, ")");
1676: break;
1.264 schwarze 1677: case MDOC_Qo:
1678: case MDOC_Qq:
1.188 kristaps 1679: term_word(p, "\"");
1680: break;
1.264 schwarze 1681: case MDOC_Ql:
1682: case MDOC_So:
1683: case MDOC_Sq:
1.249 schwarze 1684: term_word(p, "\\(cq");
1.188 kristaps 1685: break;
1686: default:
1687: abort();
1688: }
1.306 schwarze 1689: }
1690:
1691: static int
1692: termp_eo_pre(DECL_ARGS)
1693: {
1694:
1.314 schwarze 1695: if (n->type != ROFFT_BODY)
1.328 schwarze 1696: return 1;
1.306 schwarze 1697:
1698: if (n->end == ENDBODY_NOT &&
1699: n->parent->head->child == NULL &&
1700: n->child != NULL &&
1701: n->child->end != ENDBODY_NOT)
1702: term_word(p, "\\&");
1703: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.309 schwarze 1704: n->parent->head->child != NULL && (n->child != NULL ||
1705: (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.306 schwarze 1706: p->flags |= TERMP_NOSPACE;
1707:
1.328 schwarze 1708: return 1;
1.306 schwarze 1709: }
1710:
1711: static void
1712: termp_eo_post(DECL_ARGS)
1713: {
1714: int body, tail;
1715:
1.314 schwarze 1716: if (n->type != ROFFT_BODY)
1.306 schwarze 1717: return;
1718:
1719: if (n->end != ENDBODY_NOT) {
1720: p->flags &= ~TERMP_NOSPACE;
1721: return;
1722: }
1723:
1724: body = n->child != NULL || n->parent->head->child != NULL;
1725: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1726:
1727: if (body && tail)
1728: p->flags |= TERMP_NOSPACE;
1729: else if ( ! (body || tail))
1730: term_word(p, "\\&");
1731: else if ( ! tail)
1732: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1733: }
1734:
1735: static int
1736: termp_fo_pre(DECL_ARGS)
1737: {
1.379 schwarze 1738: size_t rmargin;
1.256 schwarze 1739:
1.379 schwarze 1740: switch (n->type) {
1741: case ROFFT_BLOCK:
1.143 kristaps 1742: synopsis_pre(p, n);
1.328 schwarze 1743: return 1;
1.379 schwarze 1744: case ROFFT_BODY:
1745: rmargin = p->tcol->rmargin;
1746: if (n->flags & NODE_SYNPRETTY) {
1.362 schwarze 1747: p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
1.263 schwarze 1748: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1749: TERMP_HANG;
1.256 schwarze 1750: }
1.33 kristaps 1751: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1752: term_word(p, "(");
1.222 kristaps 1753: p->flags |= TERMP_NOSPACE;
1.379 schwarze 1754: if (n->flags & NODE_SYNPRETTY) {
1.256 schwarze 1755: term_flushln(p);
1.263 schwarze 1756: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1757: TERMP_HANG);
1.360 schwarze 1758: p->flags |= TERMP_NOPAD;
1.362 schwarze 1759: p->tcol->offset = p->tcol->rmargin;
1760: p->tcol->rmargin = rmargin;
1.256 schwarze 1761: }
1.328 schwarze 1762: return 1;
1.379 schwarze 1763: default:
1764: return termp_bold_pre(p, pair, meta, n);
1.256 schwarze 1765: }
1.1 kristaps 1766: }
1767:
1768: static void
1769: termp_fo_post(DECL_ARGS)
1770: {
1.314 schwarze 1771: if (n->type != ROFFT_BODY)
1.143 kristaps 1772: return;
1773:
1.222 kristaps 1774: p->flags |= TERMP_NOSPACE;
1.143 kristaps 1775: term_word(p, ")");
1776:
1.379 schwarze 1777: if (n->flags & NODE_SYNPRETTY) {
1.222 kristaps 1778: p->flags |= TERMP_NOSPACE;
1.143 kristaps 1779: term_word(p, ";");
1.256 schwarze 1780: term_flushln(p);
1.222 kristaps 1781: }
1.1 kristaps 1782: }
1783:
1784: static int
1785: termp_bf_pre(DECL_ARGS)
1786: {
1.379 schwarze 1787: switch (n->type) {
1788: case ROFFT_HEAD:
1.328 schwarze 1789: return 0;
1.379 schwarze 1790: case ROFFT_BODY:
1791: break;
1792: default:
1.328 schwarze 1793: return 1;
1.379 schwarze 1794: }
1795: switch (n->norm->Bf.font) {
1796: case FONT_Em:
1797: return termp_under_pre(p, pair, meta, n);
1798: case FONT_Sy:
1799: return termp_bold_pre(p, pair, meta, n);
1800: default:
1801: return termp_li_pre(p, pair, meta, n);
1802: }
1.1 kristaps 1803: }
1804:
1805: static int
1806: termp_sm_pre(DECL_ARGS)
1807: {
1.379 schwarze 1808: if (n->child == NULL)
1.269 schwarze 1809: p->flags ^= TERMP_NONOSPACE;
1.379 schwarze 1810: else if (strcmp(n->child->string, "on") == 0)
1.1 kristaps 1811: p->flags &= ~TERMP_NONOSPACE;
1.269 schwarze 1812: else
1.1 kristaps 1813: p->flags |= TERMP_NONOSPACE;
1.269 schwarze 1814:
1815: if (p->col && ! (TERMP_NONOSPACE & p->flags))
1816: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1817:
1.328 schwarze 1818: return 0;
1.1 kristaps 1819: }
1820:
1821: static int
1822: termp_ap_pre(DECL_ARGS)
1823: {
1824: p->flags |= TERMP_NOSPACE;
1.188 kristaps 1825: term_word(p, "'");
1.1 kristaps 1826: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1827: return 1;
1.1 kristaps 1828: }
1829:
1830: static void
1831: termp____post(DECL_ARGS)
1832: {
1.377 schwarze 1833: struct roff_node *nn;
1.184 kristaps 1834:
1835: /*
1836: * Handle lists of authors. In general, print each followed by
1837: * a comma. Don't print the comma if there are only two
1838: * authors.
1839: */
1.377 schwarze 1840: if (n->tok == MDOC__A &&
1841: (nn = roff_node_next(n)) != NULL && nn->tok == MDOC__A &&
1842: ((nn = roff_node_next(nn)) == NULL || nn->tok != MDOC__A) &&
1843: ((nn = roff_node_prev(n)) == NULL || nn->tok != MDOC__A))
1844: return;
1.1 kristaps 1845:
1.95 kristaps 1846: /* TODO: %U. */
1847:
1.377 schwarze 1848: if (n->parent == NULL || n->parent->tok != MDOC_Rs)
1.187 kristaps 1849: return;
1850:
1.222 kristaps 1851: p->flags |= TERMP_NOSPACE;
1.377 schwarze 1852: if (roff_node_next(n) == NULL) {
1.186 kristaps 1853: term_word(p, ".");
1854: p->flags |= TERMP_SENTENCE;
1855: } else
1856: term_word(p, ",");
1.1 kristaps 1857: }
1858:
1859: static int
1.102 kristaps 1860: termp_li_pre(DECL_ARGS)
1861: {
1862: term_fontpush(p, TERMFONT_NONE);
1.328 schwarze 1863: return 1;
1.102 kristaps 1864: }
1865:
1866: static int
1.1 kristaps 1867: termp_lk_pre(DECL_ARGS)
1868: {
1.358 schwarze 1869: const struct roff_node *link, *descr, *punct;
1.1 kristaps 1870:
1.349 schwarze 1871: if ((link = n->child) == NULL)
1.328 schwarze 1872: return 0;
1.181 kristaps 1873:
1.358 schwarze 1874: /* Find beginning of trailing punctuation. */
1875: punct = n->last;
1876: while (punct != link && punct->flags & NODE_DELIMC)
1877: punct = punct->prev;
1878: punct = punct->next;
1879:
1.349 schwarze 1880: /* Link text. */
1.358 schwarze 1881: if ((descr = link->next) != NULL && descr != punct) {
1.240 schwarze 1882: term_fontpush(p, TERMFONT_UNDER);
1.358 schwarze 1883: while (descr != punct) {
1884: if (descr->flags & (NODE_DELIMC | NODE_DELIMO))
1885: p->flags |= TERMP_NOSPACE;
1.240 schwarze 1886: term_word(p, descr->string);
1887: descr = descr->next;
1888: }
1.347 schwarze 1889: term_fontpop(p);
1.240 schwarze 1890: p->flags |= TERMP_NOSPACE;
1891: term_word(p, ":");
1892: }
1.1 kristaps 1893:
1.349 schwarze 1894: /* Link target. */
1.102 kristaps 1895: term_fontpush(p, TERMFONT_BOLD);
1.240 schwarze 1896: term_word(p, link->string);
1.102 kristaps 1897: term_fontpop(p);
1.348 schwarze 1898:
1.349 schwarze 1899: /* Trailing punctuation. */
1.358 schwarze 1900: while (punct != NULL) {
1.349 schwarze 1901: p->flags |= TERMP_NOSPACE;
1.358 schwarze 1902: term_word(p, punct->string);
1903: punct = punct->next;
1.349 schwarze 1904: }
1.328 schwarze 1905: return 0;
1.1 kristaps 1906: }
1907:
1.159 schwarze 1908: static int
1909: termp_bk_pre(DECL_ARGS)
1910: {
1.161 schwarze 1911: switch (n->type) {
1.314 schwarze 1912: case ROFFT_BLOCK:
1.166 kristaps 1913: break;
1.314 schwarze 1914: case ROFFT_HEAD:
1.328 schwarze 1915: return 0;
1.314 schwarze 1916: case ROFFT_BODY:
1.331 schwarze 1917: if (n->parent->args != NULL || n->prev->child == NULL)
1.200 schwarze 1918: p->flags |= TERMP_PREKEEP;
1.166 kristaps 1919: break;
1.161 schwarze 1920: default:
1921: abort();
1922: }
1.328 schwarze 1923: return 1;
1.159 schwarze 1924: }
1925:
1926: static void
1927: termp_bk_post(DECL_ARGS)
1928: {
1.314 schwarze 1929: if (n->type == ROFFT_BODY)
1.161 schwarze 1930: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203 kristaps 1931: }
1932:
1.379 schwarze 1933: /*
1934: * If we are in an `Rs' and there is a journal present,
1935: * then quote us instead of underlining us (for disambiguation).
1936: */
1.203 kristaps 1937: static void
1938: termp__t_post(DECL_ARGS)
1939: {
1.379 schwarze 1940: if (n->parent != NULL && n->parent->tok == MDOC_Rs &&
1.264 schwarze 1941: n->parent->norm->Rs.quote_T)
1.245 schwarze 1942: termp_quote_post(p, pair, meta, n);
1943: termp____post(p, pair, meta, n);
1.203 kristaps 1944: }
1945:
1946: static int
1947: termp__t_pre(DECL_ARGS)
1948: {
1.379 schwarze 1949: if (n->parent != NULL && n->parent->tok == MDOC_Rs &&
1.264 schwarze 1950: n->parent->norm->Rs.quote_T)
1.328 schwarze 1951: return termp_quote_pre(p, pair, meta, n);
1.379 schwarze 1952: else
1953: return termp_under_pre(p, pair, meta, n);
1.159 schwarze 1954: }
1.1 kristaps 1955:
1956: static int
1.69 kristaps 1957: termp_under_pre(DECL_ARGS)
1.1 kristaps 1958: {
1.334 schwarze 1959: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 1960: return 1;
1.369 schwarze 1961: }
1962:
1963: static int
1964: termp_abort_pre(DECL_ARGS)
1965: {
1966: abort();
1.84 kristaps 1967: }
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