Annotation of mandoc/mdoc_term.c, Revision 1.382
1.382 ! schwarze 1: /* $Id: mdoc_term.c,v 1.381 2022/08/16 17:45:55 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') {
1.382 ! schwarze 572: su.unit = SCALE_EN;
! 573: su.scale = term_strlen(p, v) / 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++) {
1.382 ! schwarze 709: su.unit = SCALE_EN;
! 710: su.scale = term_strlen(p, bl->norm->Bl.cols[i]) /
! 711: 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: */
1.382 ! schwarze 728: su.unit = SCALE_EN;
! 729: su.scale = term_strlen(p, bl->norm->Bl.cols[i]) /
! 730: term_strlen(p, "0");
1.364 schwarze 731: width = term_hen(p, &su) + dcol;
1.1 kristaps 732: break;
733: default:
1.202 kristaps 734: if (NULL == bl->norm->Bl.width)
1.108 kristaps 735: break;
736:
1.264 schwarze 737: /*
1.108 kristaps 738: * Note: buffer the width by 2, which is groff's magic
739: * number for buffering single arguments. See the above
740: * handling for column for how this changes.
741: */
1.202 kristaps 742: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.362 schwarze 743: if (width < 0 && (size_t)(-width) > p->tcol->offset)
744: width = -p->tcol->offset;
1.302 schwarze 745: else if (width > SHRT_MAX)
746: width = 0;
1.1 kristaps 747: break;
748: }
749:
1.264 schwarze 750: /*
1.17 kristaps 751: * Whitespace control. Inset bodies need an initial space,
752: * while diagonal bodies need two.
1.1 kristaps 753: */
754:
1.51 kristaps 755: p->flags |= TERMP_NOSPACE;
756:
1.1 kristaps 757: switch (type) {
1.264 schwarze 758: case LIST_diag:
1.314 schwarze 759: if (n->type == ROFFT_BODY)
1.62 kristaps 760: term_word(p, "\\ \\ ");
1.51 kristaps 761: break;
1.264 schwarze 762: case LIST_inset:
1.331 schwarze 763: if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.51 kristaps 764: term_word(p, "\\ ");
1.1 kristaps 765: break;
766: default:
767: break;
768: }
769:
1.51 kristaps 770: p->flags |= TERMP_NOSPACE;
771:
1.1 kristaps 772: switch (type) {
1.264 schwarze 773: case LIST_diag:
1.314 schwarze 774: if (n->type == ROFFT_HEAD)
1.102 kristaps 775: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 776: break;
777: default:
778: break;
779: }
780:
781: /*
1.109 kristaps 782: * Pad and break control. This is the tricky part. These flags
783: * are documented in term_flushln() in term.c. Note that we're
784: * going to unset all of these flags in termp_it_post() when we
785: * exit.
1.1 kristaps 786: */
787:
788: switch (type) {
1.264 schwarze 789: case LIST_enum:
1.329 schwarze 790: case LIST_bullet:
791: case LIST_dash:
792: case LIST_hyphen:
1.360 schwarze 793: if (n->type == ROFFT_HEAD) {
794: p->flags |= TERMP_NOBREAK | TERMP_HANG;
795: p->trailspace = 1;
796: } else if (width <= (int)term_len(p, 2))
797: p->flags |= TERMP_NOPAD;
1.39 kristaps 798: break;
1.264 schwarze 799: case LIST_hang:
1.314 schwarze 800: if (n->type != ROFFT_HEAD)
1.59 kristaps 801: break;
1.263 schwarze 802: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250 schwarze 803: p->trailspace = 1;
1.39 kristaps 804: break;
1.264 schwarze 805: case LIST_tag:
1.314 schwarze 806: if (n->type != ROFFT_HEAD)
1.39 kristaps 807: break;
1.250 schwarze 808:
1.326 schwarze 809: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.250 schwarze 810: p->trailspace = 2;
811:
1.86 kristaps 812: if (NULL == n->next || NULL == n->next->child)
1.360 schwarze 813: p->flags |= TERMP_HANG;
1.1 kristaps 814: break;
1.264 schwarze 815: case LIST_column:
1.314 schwarze 816: if (n->type == ROFFT_HEAD)
1.134 kristaps 817: break;
818:
1.250 schwarze 819: if (NULL == n->next) {
1.134 kristaps 820: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 821: p->trailspace = 0;
822: } else {
1.134 kristaps 823: p->flags |= TERMP_NOBREAK;
1.250 schwarze 824: p->trailspace = 1;
825: }
1.134 kristaps 826:
1.1 kristaps 827: break;
1.264 schwarze 828: case LIST_diag:
1.314 schwarze 829: if (n->type != ROFFT_HEAD)
1.250 schwarze 830: break;
1.263 schwarze 831: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 832: p->trailspace = 1;
1.1 kristaps 833: break;
834: default:
835: break;
836: }
837:
1.264 schwarze 838: /*
1.1 kristaps 839: * Margin control. Set-head-width lists have their right
840: * margins shortened. The body for these lists has the offset
841: * necessarily lengthened. Everybody gets the offset.
842: */
843:
1.362 schwarze 844: p->tcol->offset += offset;
1.1 kristaps 845:
846: switch (type) {
1.264 schwarze 847: case LIST_bullet:
848: case LIST_dash:
849: case LIST_enum:
850: case LIST_hyphen:
1.360 schwarze 851: case LIST_hang:
1.264 schwarze 852: case LIST_tag:
1.314 schwarze 853: if (n->type == ROFFT_HEAD)
1.362 schwarze 854: p->tcol->rmargin = p->tcol->offset + width;
1.292 schwarze 855: else
1.362 schwarze 856: p->tcol->offset += width;
1.1 kristaps 857: break;
1.264 schwarze 858: case LIST_column:
1.49 kristaps 859: assert(width);
1.362 schwarze 860: p->tcol->rmargin = p->tcol->offset + width;
1.264 schwarze 861: /*
1.50 kristaps 862: * XXX - this behaviour is not documented: the
863: * right-most column is filled to the right margin.
864: */
1.314 schwarze 865: if (n->type == ROFFT_HEAD)
1.134 kristaps 866: break;
1.362 schwarze 867: if (n->next == NULL && p->tcol->rmargin < p->maxrmargin)
868: p->tcol->rmargin = p->maxrmargin;
1.1 kristaps 869: break;
870: default:
871: break;
872: }
873:
1.264 schwarze 874: /*
1.1 kristaps 875: * The dash, hyphen, bullet and enum lists all have a special
1.264 schwarze 876: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 877: */
878:
1.314 schwarze 879: if (n->type == ROFFT_HEAD)
1.1 kristaps 880: switch (type) {
1.264 schwarze 881: case LIST_bullet:
1.102 kristaps 882: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 883: term_word(p, "\\[bu]");
1.102 kristaps 884: term_fontpop(p);
1.1 kristaps 885: break;
1.264 schwarze 886: case LIST_dash:
887: case LIST_hyphen:
1.102 kristaps 888: term_fontpush(p, TERMFONT_BOLD);
1.330 schwarze 889: term_word(p, "-");
1.102 kristaps 890: term_fontpop(p);
1.1 kristaps 891: break;
1.264 schwarze 892: case LIST_enum:
1.1 kristaps 893: (pair->ppair->ppair->count)++;
1.265 schwarze 894: (void)snprintf(buf, sizeof(buf), "%d.",
1.264 schwarze 895: pair->ppair->ppair->count);
1.1 kristaps 896: term_word(p, buf);
897: break;
898: default:
899: break;
900: }
901:
1.264 schwarze 902: /*
1.1 kristaps 903: * If we're not going to process our children, indicate so here.
904: */
905:
906: switch (type) {
1.264 schwarze 907: case LIST_bullet:
908: case LIST_item:
909: case LIST_dash:
910: case LIST_hyphen:
911: case LIST_enum:
1.314 schwarze 912: if (n->type == ROFFT_HEAD)
1.328 schwarze 913: return 0;
1.1 kristaps 914: break;
1.264 schwarze 915: case LIST_column:
1.314 schwarze 916: if (n->type == ROFFT_HEAD)
1.328 schwarze 917: return 0;
1.360 schwarze 918: p->minbl = 0;
1.1 kristaps 919: break;
920: default:
921: break;
922: }
923:
1.328 schwarze 924: return 1;
1.1 kristaps 925: }
926:
927: static void
928: termp_it_post(DECL_ARGS)
929: {
1.126 kristaps 930: enum mdoc_list type;
1.1 kristaps 931:
1.314 schwarze 932: if (n->type == ROFFT_BLOCK)
1.1 kristaps 933: return;
934:
1.202 kristaps 935: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 936:
937: switch (type) {
1.264 schwarze 938: case LIST_item:
939: case LIST_diag:
940: case LIST_inset:
1.314 schwarze 941: if (n->type == ROFFT_BODY)
1.130 schwarze 942: term_newln(p);
1.1 kristaps 943: break;
1.264 schwarze 944: case LIST_column:
1.314 schwarze 945: if (n->type == ROFFT_BODY)
1.1 kristaps 946: term_flushln(p);
947: break;
948: default:
1.130 schwarze 949: term_newln(p);
1.1 kristaps 950: break;
951: }
952:
1.264 schwarze 953: /*
1.109 kristaps 954: * Now that our output is flushed, we can reset our tags. Since
955: * only `It' sets these flags, we're free to assume that nobody
956: * has munged them in the meanwhile.
957: */
958:
1.360 schwarze 959: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 960: p->trailspace = 0;
1.1 kristaps 961: }
962:
963: static int
964: termp_nm_pre(DECL_ARGS)
965: {
1.296 schwarze 966: const char *cp;
1.1 kristaps 967:
1.314 schwarze 968: if (n->type == ROFFT_BLOCK) {
1.253 schwarze 969: p->flags |= TERMP_PREKEEP;
1.328 schwarze 970: return 1;
1.253 schwarze 971: }
1.164 schwarze 972:
1.314 schwarze 973: if (n->type == ROFFT_BODY) {
1.362 schwarze 974: if (n->child == NULL)
1.328 schwarze 975: return 0;
1.234 schwarze 976: p->flags |= TERMP_NOSPACE;
1.296 schwarze 977: cp = NULL;
978: if (n->prev->child != NULL)
979: cp = n->prev->child->string;
980: if (cp == NULL)
981: cp = meta->name;
982: if (cp == NULL)
1.362 schwarze 983: p->tcol->offset += term_len(p, 6);
1.296 schwarze 984: else
1.362 schwarze 985: p->tcol->offset += term_len(p, 1) +
986: term_strlen(p, cp);
1.328 schwarze 987: return 1;
1.164 schwarze 988: }
989:
1.343 schwarze 990: if (n->child == NULL)
1.328 schwarze 991: return 0;
1.125 kristaps 992:
1.314 schwarze 993: if (n->type == ROFFT_HEAD)
1.177 schwarze 994: synopsis_pre(p, n->parent);
1.102 kristaps 995:
1.314 schwarze 996: if (n->type == ROFFT_HEAD &&
1.362 schwarze 997: n->next != NULL && n->next->child != NULL) {
1.263 schwarze 998: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 999: p->trailspace = 1;
1.362 schwarze 1000: p->tcol->rmargin = p->tcol->offset + term_len(p, 1);
1001: if (n->child == NULL)
1002: p->tcol->rmargin += term_strlen(p, meta->name);
1003: else if (n->child->type == ROFFT_TEXT) {
1004: p->tcol->rmargin += term_strlen(p, n->child->string);
1005: if (n->child->next != NULL)
1.185 schwarze 1006: p->flags |= TERMP_HANG;
1007: } else {
1.362 schwarze 1008: p->tcol->rmargin += term_len(p, 5);
1.185 schwarze 1009: p->flags |= TERMP_HANG;
1010: }
1.164 schwarze 1011: }
1.379 schwarze 1012: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1013: }
1014:
1.164 schwarze 1015: static void
1016: termp_nm_post(DECL_ARGS)
1017: {
1.379 schwarze 1018: switch (n->type) {
1019: case ROFFT_BLOCK:
1.253 schwarze 1020: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.379 schwarze 1021: break;
1022: case ROFFT_HEAD:
1023: if (n->next == NULL || n->next->child == NULL)
1024: break;
1.164 schwarze 1025: term_flushln(p);
1.263 schwarze 1026: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 1027: p->trailspace = 0;
1.379 schwarze 1028: break;
1029: case ROFFT_BODY:
1030: if (n->child != NULL)
1031: term_flushln(p);
1032: break;
1033: default:
1034: break;
1035: }
1.164 schwarze 1036: }
1037:
1.1 kristaps 1038: static int
1039: termp_fl_pre(DECL_ARGS)
1040: {
1.377 schwarze 1041: struct roff_node *nn;
1.1 kristaps 1042:
1.102 kristaps 1043: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1044: term_word(p, "\\-");
1.103 kristaps 1045:
1.377 schwarze 1046: if (n->child != NULL ||
1047: ((nn = roff_node_next(n)) != NULL &&
1048: nn->type != ROFFT_TEXT &&
1049: (nn->flags & NODE_LINE) == 0))
1.103 kristaps 1050: p->flags |= TERMP_NOSPACE;
1051:
1.328 schwarze 1052: return 1;
1.1 kristaps 1053: }
1054:
1055: static int
1.184 kristaps 1056: termp__a_pre(DECL_ARGS)
1057: {
1.377 schwarze 1058: struct roff_node *nn;
1.184 kristaps 1059:
1.377 schwarze 1060: if ((nn = roff_node_prev(n)) != NULL && nn->tok == MDOC__A &&
1061: ((nn = roff_node_next(n)) == NULL || nn->tok != MDOC__A))
1062: term_word(p, "and");
1.184 kristaps 1063:
1.328 schwarze 1064: return 1;
1.184 kristaps 1065: }
1066:
1067: static int
1.61 kristaps 1068: termp_an_pre(DECL_ARGS)
1069: {
1070:
1.282 schwarze 1071: if (n->norm->An.auth == AUTH_split) {
1072: p->flags &= ~TERMP_NOSPLIT;
1073: p->flags |= TERMP_SPLIT;
1.328 schwarze 1074: return 0;
1.282 schwarze 1075: }
1076: if (n->norm->An.auth == AUTH_nosplit) {
1077: p->flags &= ~TERMP_SPLIT;
1078: p->flags |= TERMP_NOSPLIT;
1.328 schwarze 1079: return 0;
1.282 schwarze 1080: }
1.264 schwarze 1081:
1.282 schwarze 1082: if (p->flags & TERMP_SPLIT)
1.61 kristaps 1083: term_newln(p);
1084:
1.282 schwarze 1085: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1086: p->flags |= TERMP_SPLIT;
1.61 kristaps 1087:
1.328 schwarze 1088: return 1;
1.61 kristaps 1089: }
1090:
1091: static int
1.1 kristaps 1092: termp_ns_pre(DECL_ARGS)
1093: {
1094:
1.338 schwarze 1095: if ( ! (NODE_LINE & n->flags))
1.215 kristaps 1096: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1097: return 1;
1.1 kristaps 1098: }
1099:
1100: static int
1101: termp_rs_pre(DECL_ARGS)
1102: {
1.86 kristaps 1103: if (SEC_SEE_ALSO != n->sec)
1.328 schwarze 1104: return 1;
1.377 schwarze 1105: if (n->type == ROFFT_BLOCK && roff_node_prev(n) != NULL)
1.1 kristaps 1106: term_vspace(p);
1.328 schwarze 1107: return 1;
1.1 kristaps 1108: }
1109:
1110: static int
1111: termp_ex_pre(DECL_ARGS)
1112: {
1.224 kristaps 1113: term_newln(p);
1.341 schwarze 1114: return 1;
1.1 kristaps 1115: }
1116:
1117: static int
1118: termp_nd_pre(DECL_ARGS)
1119: {
1.314 schwarze 1120: if (n->type == ROFFT_BODY)
1.297 schwarze 1121: term_word(p, "\\(en");
1.328 schwarze 1122: return 1;
1.115 kristaps 1123: }
1124:
1125: static int
1126: termp_bl_pre(DECL_ARGS)
1127: {
1.380 schwarze 1128: switch (n->type) {
1129: case ROFFT_BLOCK:
1130: term_newln(p);
1131: return 1;
1132: case ROFFT_HEAD:
1133: return 0;
1134: default:
1135: return 1;
1136: }
1.1 kristaps 1137: }
1138:
1139: static void
1140: termp_bl_post(DECL_ARGS)
1141: {
1.356 schwarze 1142: if (n->type != ROFFT_BLOCK)
1143: return;
1144: term_newln(p);
1145: if (n->tok != MDOC_Bl || n->norm->Bl.type != LIST_column)
1146: return;
1147: term_tab_set(p, NULL);
1148: term_tab_set(p, "T");
1149: term_tab_set(p, ".5i");
1.1 kristaps 1150: }
1151:
1152: static int
1153: termp_xr_pre(DECL_ARGS)
1154: {
1.225 kristaps 1155: if (NULL == (n = n->child))
1.328 schwarze 1156: return 0;
1.113 kristaps 1157:
1.314 schwarze 1158: assert(n->type == ROFFT_TEXT);
1.225 kristaps 1159: term_word(p, n->string);
1.11 kristaps 1160:
1.264 schwarze 1161: if (NULL == (n = n->next))
1.328 schwarze 1162: return 0;
1.225 kristaps 1163:
1.1 kristaps 1164: p->flags |= TERMP_NOSPACE;
1165: term_word(p, "(");
1.222 kristaps 1166: p->flags |= TERMP_NOSPACE;
1.225 kristaps 1167:
1.314 schwarze 1168: assert(n->type == ROFFT_TEXT);
1.225 kristaps 1169: term_word(p, n->string);
1170:
1.222 kristaps 1171: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1172: term_word(p, ")");
1.86 kristaps 1173:
1.328 schwarze 1174: return 0;
1.1 kristaps 1175: }
1176:
1.143 kristaps 1177: /*
1178: * This decides how to assert whitespace before any of the SYNOPSIS set
1179: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1180: * macro combos).
1181: */
1182: static void
1.377 schwarze 1183: synopsis_pre(struct termp *p, struct roff_node *n)
1.143 kristaps 1184: {
1.377 schwarze 1185: struct roff_node *np;
1186:
1187: if ((n->flags & NODE_SYNPRETTY) == 0 ||
1188: (np = roff_node_prev(n)) == NULL)
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: */
1.377 schwarze 1196: if (np->tok == n->tok &&
1.264 schwarze 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: */
1.377 schwarze 1209: switch (np->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:
1.377 schwarze 1218: if (n->tok != MDOC_Fn && n->tok != MDOC_Fo) {
1.143 kristaps 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: {
1.379 schwarze 1232: switch (n->type) {
1233: case ROFFT_ELEM:
1234: return termp_ft_pre(p, pair, meta, n);
1235: case ROFFT_BLOCK:
1.143 kristaps 1236: synopsis_pre(p, n);
1.328 schwarze 1237: return 1;
1.379 schwarze 1238: case ROFFT_HEAD:
1.328 schwarze 1239: return 0;
1.379 schwarze 1240: default:
1241: return termp_under_pre(p, pair, meta, n);
1242: }
1.110 kristaps 1243: }
1244:
1.1 kristaps 1245: static int
1.69 kristaps 1246: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1247: {
1.102 kristaps 1248: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1249: return 1;
1.1 kristaps 1250: }
1251:
1.143 kristaps 1252: static int
1253: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1254: {
1.143 kristaps 1255: synopsis_pre(p, n);
1.328 schwarze 1256: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1257: }
1258:
1.241 schwarze 1259: static void
1260: termp_fd_post(DECL_ARGS)
1261: {
1262: term_newln(p);
1263: }
1264:
1.1 kristaps 1265: static int
1266: termp_sh_pre(DECL_ARGS)
1267: {
1.377 schwarze 1268: struct roff_node *np;
1.85 kristaps 1269:
1.86 kristaps 1270: switch (n->type) {
1.314 schwarze 1271: case ROFFT_BLOCK:
1.293 schwarze 1272: /*
1273: * Vertical space before sections, except
1274: * when the previous section was empty.
1275: */
1.377 schwarze 1276: if ((np = roff_node_prev(n)) == NULL ||
1277: np->tok != MDOC_Sh ||
1278: (np->body != NULL && np->body->child != NULL))
1.293 schwarze 1279: term_vspace(p);
1.65 kristaps 1280: break;
1.314 schwarze 1281: case ROFFT_HEAD:
1.379 schwarze 1282: return termp_bold_pre(p, pair, meta, n);
1.314 schwarze 1283: case ROFFT_BODY:
1.362 schwarze 1284: p->tcol->offset = term_len(p, p->defindent);
1.356 schwarze 1285: term_tab_set(p, NULL);
1286: term_tab_set(p, "T");
1287: term_tab_set(p, ".5i");
1.379 schwarze 1288: if (n->sec == SEC_AUTHORS)
1.239 schwarze 1289: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1290: break;
1291: default:
1292: break;
1293: }
1.328 schwarze 1294: return 1;
1.1 kristaps 1295: }
1296:
1297: static void
1298: termp_sh_post(DECL_ARGS)
1299: {
1.86 kristaps 1300: switch (n->type) {
1.314 schwarze 1301: case ROFFT_HEAD:
1.1 kristaps 1302: term_newln(p);
1303: break;
1.314 schwarze 1304: case ROFFT_BODY:
1.1 kristaps 1305: term_newln(p);
1.362 schwarze 1306: p->tcol->offset = 0;
1.1 kristaps 1307: break;
1308: default:
1309: break;
1310: }
1311: }
1312:
1313: static void
1314: termp_lb_post(DECL_ARGS)
1315: {
1.379 schwarze 1316: if (n->sec == SEC_LIBRARY && n->flags & NODE_LINE)
1.81 kristaps 1317: term_newln(p);
1.1 kristaps 1318: }
1319:
1320: static int
1321: termp_d1_pre(DECL_ARGS)
1322: {
1.314 schwarze 1323: if (n->type != ROFFT_BLOCK)
1.328 schwarze 1324: return 1;
1.1 kristaps 1325: term_newln(p);
1.362 schwarze 1326: p->tcol->offset += term_len(p, p->defindent + 1);
1.356 schwarze 1327: term_tab_set(p, NULL);
1328: term_tab_set(p, "T");
1329: term_tab_set(p, ".5i");
1.328 schwarze 1330: return 1;
1.1 kristaps 1331: }
1332:
1333: static int
1334: termp_ft_pre(DECL_ARGS)
1335: {
1.143 kristaps 1336: synopsis_pre(p, n);
1.379 schwarze 1337: return termp_under_pre(p, pair, meta, n);
1.1 kristaps 1338: }
1339:
1340: static int
1341: termp_fn_pre(DECL_ARGS)
1342: {
1.257 schwarze 1343: size_t rmargin = 0;
1.226 kristaps 1344: int pretty;
1345:
1.143 kristaps 1346: synopsis_pre(p, n);
1.379 schwarze 1347: pretty = n->flags & NODE_SYNPRETTY;
1348: if ((n = n->child) == NULL)
1.328 schwarze 1349: return 0;
1.226 kristaps 1350:
1.251 schwarze 1351: if (pretty) {
1.362 schwarze 1352: rmargin = p->tcol->rmargin;
1353: p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
1.263 schwarze 1354: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251 schwarze 1355: }
1356:
1.314 schwarze 1357: assert(n->type == ROFFT_TEXT);
1.102 kristaps 1358: term_fontpush(p, TERMFONT_BOLD);
1.226 kristaps 1359: term_word(p, n->string);
1.102 kristaps 1360: term_fontpop(p);
1.1 kristaps 1361:
1.251 schwarze 1362: if (pretty) {
1363: term_flushln(p);
1.263 schwarze 1364: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.360 schwarze 1365: p->flags |= TERMP_NOPAD;
1.362 schwarze 1366: p->tcol->offset = p->tcol->rmargin;
1367: p->tcol->rmargin = rmargin;
1.251 schwarze 1368: }
1369:
1.1 kristaps 1370: p->flags |= TERMP_NOSPACE;
1371: term_word(p, "(");
1.222 kristaps 1372: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1373:
1.226 kristaps 1374: for (n = n->next; n; n = n->next) {
1.314 schwarze 1375: assert(n->type == ROFFT_TEXT);
1.102 kristaps 1376: term_fontpush(p, TERMFONT_UNDER);
1.255 schwarze 1377: if (pretty)
1378: p->flags |= TERMP_NBRWORD;
1.226 kristaps 1379: term_word(p, n->string);
1.102 kristaps 1380: term_fontpop(p);
1381:
1.226 kristaps 1382: if (n->next) {
1.222 kristaps 1383: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1384: term_word(p, ",");
1.222 kristaps 1385: }
1.1 kristaps 1386: }
1387:
1.222 kristaps 1388: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1389: term_word(p, ")");
1390:
1.226 kristaps 1391: if (pretty) {
1.222 kristaps 1392: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1393: term_word(p, ";");
1.251 schwarze 1394: term_flushln(p);
1.222 kristaps 1395: }
1.328 schwarze 1396: return 0;
1.1 kristaps 1397: }
1398:
1399: static int
1400: termp_fa_pre(DECL_ARGS)
1401: {
1.315 schwarze 1402: const struct roff_node *nn;
1.1 kristaps 1403:
1.379 schwarze 1404: if (n->parent->tok != MDOC_Fo)
1405: return termp_under_pre(p, pair, meta, n);
1406:
1.377 schwarze 1407: for (nn = n->child; nn != NULL; nn = nn->next) {
1.102 kristaps 1408: term_fontpush(p, TERMFONT_UNDER);
1.258 schwarze 1409: p->flags |= TERMP_NBRWORD;
1.86 kristaps 1410: term_word(p, nn->string);
1.102 kristaps 1411: term_fontpop(p);
1.377 schwarze 1412: if (nn->next != NULL) {
1.222 kristaps 1413: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1414: term_word(p, ",");
1.222 kristaps 1415: }
1.1 kristaps 1416: }
1.377 schwarze 1417: if (n->child != NULL &&
1418: (nn = roff_node_next(n)) != NULL &&
1419: nn->tok == MDOC_Fa) {
1420: p->flags |= TERMP_NOSPACE;
1421: term_word(p, ",");
1422: }
1.328 schwarze 1423: return 0;
1.1 kristaps 1424: }
1425:
1426: static int
1427: termp_bd_pre(DECL_ARGS)
1428: {
1.302 schwarze 1429: int offset;
1.1 kristaps 1430:
1.314 schwarze 1431: if (n->type == ROFFT_BLOCK) {
1.151 kristaps 1432: print_bvspace(p, n, n);
1.328 schwarze 1433: return 1;
1.314 schwarze 1434: } else if (n->type == ROFFT_HEAD)
1.328 schwarze 1435: return 0;
1.1 kristaps 1436:
1.288 schwarze 1437: /* Handle the -offset argument. */
1438:
1439: if (n->norm->Bd.offs == NULL ||
1440: ! strcmp(n->norm->Bd.offs, "left"))
1441: /* nothing */;
1442: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1.362 schwarze 1443: p->tcol->offset += term_len(p, p->defindent + 1);
1.288 schwarze 1444: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1.362 schwarze 1445: p->tcol->offset += term_len(p, (p->defindent + 1) * 2);
1.302 schwarze 1446: else {
1447: offset = a2width(p, n->norm->Bd.offs);
1.362 schwarze 1448: if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
1449: p->tcol->offset = 0;
1.302 schwarze 1450: else if (offset < SHRT_MAX)
1.362 schwarze 1451: p->tcol->offset += offset;
1.302 schwarze 1452: }
1.85 kristaps 1453:
1.372 schwarze 1454: switch (n->norm->Bd.type) {
1455: case DISP_literal:
1.356 schwarze 1456: term_tab_set(p, NULL);
1457: term_tab_set(p, "T");
1458: term_tab_set(p, "8n");
1.372 schwarze 1459: break;
1460: case DISP_centered:
1461: p->flags |= TERMP_CENTER;
1462: break;
1463: default:
1464: break;
1.356 schwarze 1465: }
1.372 schwarze 1466: return 1;
1.1 kristaps 1467: }
1468:
1469: static void
1470: termp_bd_post(DECL_ARGS)
1471: {
1.314 schwarze 1472: if (n->type != ROFFT_BODY)
1.1 kristaps 1473: return;
1.372 schwarze 1474: if (n->norm->Bd.type == DISP_unfilled ||
1475: n->norm->Bd.type == DISP_literal)
1.361 schwarze 1476: p->flags |= TERMP_BRNEVER;
1.60 kristaps 1477: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1478: term_newln(p);
1.361 schwarze 1479: p->flags &= ~TERMP_BRNEVER;
1.372 schwarze 1480: if (n->norm->Bd.type == DISP_centered)
1481: p->flags &= ~TERMP_CENTER;
1.1 kristaps 1482: }
1483:
1484: static int
1.26 kristaps 1485: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1486: {
1.339 schwarze 1487: if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
1488: p->flags |= TERMP_PREKEEP;
1489: return 1;
1490: }
1.1 kristaps 1491:
1.339 schwarze 1492: static void
1493: termp_xx_post(DECL_ARGS)
1494: {
1495: if (n->aux == 0)
1496: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1 kristaps 1497: }
1498:
1499: static void
1500: termp_pf_post(DECL_ARGS)
1501: {
1.377 schwarze 1502: if (n->next != NULL && (n->next->flags & NODE_LINE) == 0)
1.298 schwarze 1503: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1504: }
1505:
1506: static int
1507: termp_ss_pre(DECL_ARGS)
1508: {
1.86 kristaps 1509: switch (n->type) {
1.314 schwarze 1510: case ROFFT_BLOCK:
1.377 schwarze 1511: if (roff_node_prev(n) == NULL)
1512: term_newln(p);
1513: else
1.1 kristaps 1514: term_vspace(p);
1515: break;
1.314 schwarze 1516: case ROFFT_HEAD:
1.362 schwarze 1517: p->tcol->offset = term_len(p, (p->defindent+1)/2);
1.379 schwarze 1518: return termp_bold_pre(p, pair, meta, n);
1.314 schwarze 1519: case ROFFT_BODY:
1.362 schwarze 1520: p->tcol->offset = term_len(p, p->defindent);
1.356 schwarze 1521: term_tab_set(p, NULL);
1522: term_tab_set(p, "T");
1523: term_tab_set(p, ".5i");
1.274 schwarze 1524: break;
1.1 kristaps 1525: default:
1526: break;
1527: }
1.328 schwarze 1528: return 1;
1.1 kristaps 1529: }
1530:
1531: static void
1532: termp_ss_post(DECL_ARGS)
1533: {
1.314 schwarze 1534: if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1 kristaps 1535: term_newln(p);
1536: }
1537:
1538: static int
1539: termp_in_pre(DECL_ARGS)
1540: {
1.143 kristaps 1541: synopsis_pre(p, n);
1.379 schwarze 1542: if (n->flags & NODE_SYNPRETTY && n->flags & NODE_LINE) {
1.138 kristaps 1543: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1544: term_word(p, "#include");
1.138 kristaps 1545: term_word(p, "<");
1546: } else {
1547: term_word(p, "<");
1548: term_fontpush(p, TERMFONT_UNDER);
1549: }
1.1 kristaps 1550: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1551: return 1;
1.1 kristaps 1552: }
1553:
1554: static void
1555: termp_in_post(DECL_ARGS)
1556: {
1.379 schwarze 1557: if (n->flags & NODE_SYNPRETTY)
1.138 kristaps 1558: term_fontpush(p, TERMFONT_BOLD);
1.79 kristaps 1559: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1560: term_word(p, ">");
1.379 schwarze 1561: if (n->flags & NODE_SYNPRETTY)
1.138 kristaps 1562: term_fontpop(p);
1.1 kristaps 1563: }
1564:
1565: static int
1.355 schwarze 1566: termp_pp_pre(DECL_ARGS)
1.45 kristaps 1567: {
1.355 schwarze 1568: term_vspace(p);
1.380 schwarze 1569: if (n->flags & NODE_ID)
1570: term_tag_write(n, p->line);
1.328 schwarze 1571: return 0;
1.45 kristaps 1572: }
1573:
1574: static int
1.294 schwarze 1575: termp_skip_pre(DECL_ARGS)
1.268 schwarze 1576: {
1.328 schwarze 1577: return 0;
1.268 schwarze 1578: }
1579:
1580: static int
1.188 kristaps 1581: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1582: {
1.314 schwarze 1583: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.328 schwarze 1584: return 1;
1.1 kristaps 1585:
1.188 kristaps 1586: switch (n->tok) {
1.264 schwarze 1587: case MDOC_Ao:
1588: case MDOC_Aq:
1.331 schwarze 1589: term_word(p, n->child != NULL && n->child->next == NULL &&
1.303 schwarze 1590: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.188 kristaps 1591: break;
1.264 schwarze 1592: case MDOC_Bro:
1593: case MDOC_Brq:
1.188 kristaps 1594: term_word(p, "{");
1595: break;
1.264 schwarze 1596: case MDOC_Oo:
1597: case MDOC_Op:
1598: case MDOC_Bo:
1599: case MDOC_Bq:
1.188 kristaps 1600: term_word(p, "[");
1601: break;
1.346 schwarze 1602: case MDOC__T:
1603: /* FALLTHROUGH */
1.264 schwarze 1604: case MDOC_Do:
1605: case MDOC_Dq:
1.366 schwarze 1606: term_word(p, "\\(lq");
1.188 kristaps 1607: break;
1.268 schwarze 1608: case MDOC_En:
1609: if (NULL == n->norm->Es ||
1610: NULL == n->norm->Es->child)
1.328 schwarze 1611: return 1;
1.268 schwarze 1612: term_word(p, n->norm->Es->child->string);
1613: break;
1.264 schwarze 1614: case MDOC_Po:
1615: case MDOC_Pq:
1.188 kristaps 1616: term_word(p, "(");
1617: break;
1.264 schwarze 1618: case MDOC_Qo:
1619: case MDOC_Qq:
1.188 kristaps 1620: term_word(p, "\"");
1621: break;
1.264 schwarze 1622: case MDOC_Ql:
1623: case MDOC_So:
1624: case MDOC_Sq:
1.249 schwarze 1625: term_word(p, "\\(oq");
1.188 kristaps 1626: break;
1627: default:
1628: abort();
1629: }
1.1 kristaps 1630:
1631: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1632: return 1;
1.1 kristaps 1633: }
1634:
1635: static void
1.188 kristaps 1636: termp_quote_post(DECL_ARGS)
1.1 kristaps 1637: {
1638:
1.314 schwarze 1639: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1 kristaps 1640: return;
1641:
1.306 schwarze 1642: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1643:
1.188 kristaps 1644: switch (n->tok) {
1.264 schwarze 1645: case MDOC_Ao:
1646: case MDOC_Aq:
1.331 schwarze 1647: term_word(p, n->child != NULL && n->child->next == NULL &&
1.303 schwarze 1648: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.188 kristaps 1649: break;
1.264 schwarze 1650: case MDOC_Bro:
1651: case MDOC_Brq:
1.188 kristaps 1652: term_word(p, "}");
1653: break;
1.264 schwarze 1654: case MDOC_Oo:
1655: case MDOC_Op:
1656: case MDOC_Bo:
1657: case MDOC_Bq:
1.188 kristaps 1658: term_word(p, "]");
1659: break;
1.346 schwarze 1660: case MDOC__T:
1661: /* FALLTHROUGH */
1.264 schwarze 1662: case MDOC_Do:
1663: case MDOC_Dq:
1.366 schwarze 1664: term_word(p, "\\(rq");
1.268 schwarze 1665: break;
1666: case MDOC_En:
1.306 schwarze 1667: if (n->norm->Es == NULL ||
1668: n->norm->Es->child == NULL ||
1669: n->norm->Es->child->next == NULL)
1670: p->flags &= ~TERMP_NOSPACE;
1671: else
1.268 schwarze 1672: term_word(p, n->norm->Es->child->next->string);
1.188 kristaps 1673: break;
1.264 schwarze 1674: case MDOC_Po:
1675: case MDOC_Pq:
1.188 kristaps 1676: term_word(p, ")");
1677: break;
1.264 schwarze 1678: case MDOC_Qo:
1679: case MDOC_Qq:
1.188 kristaps 1680: term_word(p, "\"");
1681: break;
1.264 schwarze 1682: case MDOC_Ql:
1683: case MDOC_So:
1684: case MDOC_Sq:
1.249 schwarze 1685: term_word(p, "\\(cq");
1.188 kristaps 1686: break;
1687: default:
1688: abort();
1689: }
1.306 schwarze 1690: }
1691:
1692: static int
1693: termp_eo_pre(DECL_ARGS)
1694: {
1695:
1.314 schwarze 1696: if (n->type != ROFFT_BODY)
1.328 schwarze 1697: return 1;
1.306 schwarze 1698:
1699: if (n->end == ENDBODY_NOT &&
1700: n->parent->head->child == NULL &&
1701: n->child != NULL &&
1702: n->child->end != ENDBODY_NOT)
1703: term_word(p, "\\&");
1704: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.309 schwarze 1705: n->parent->head->child != NULL && (n->child != NULL ||
1706: (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.306 schwarze 1707: p->flags |= TERMP_NOSPACE;
1708:
1.328 schwarze 1709: return 1;
1.306 schwarze 1710: }
1711:
1712: static void
1713: termp_eo_post(DECL_ARGS)
1714: {
1715: int body, tail;
1716:
1.314 schwarze 1717: if (n->type != ROFFT_BODY)
1.306 schwarze 1718: return;
1719:
1720: if (n->end != ENDBODY_NOT) {
1721: p->flags &= ~TERMP_NOSPACE;
1722: return;
1723: }
1724:
1725: body = n->child != NULL || n->parent->head->child != NULL;
1726: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1727:
1728: if (body && tail)
1729: p->flags |= TERMP_NOSPACE;
1730: else if ( ! (body || tail))
1731: term_word(p, "\\&");
1732: else if ( ! tail)
1733: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1734: }
1735:
1736: static int
1737: termp_fo_pre(DECL_ARGS)
1738: {
1.379 schwarze 1739: size_t rmargin;
1.256 schwarze 1740:
1.379 schwarze 1741: switch (n->type) {
1742: case ROFFT_BLOCK:
1.143 kristaps 1743: synopsis_pre(p, n);
1.328 schwarze 1744: return 1;
1.379 schwarze 1745: case ROFFT_BODY:
1746: rmargin = p->tcol->rmargin;
1747: if (n->flags & NODE_SYNPRETTY) {
1.362 schwarze 1748: p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
1.263 schwarze 1749: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1750: TERMP_HANG;
1.256 schwarze 1751: }
1.33 kristaps 1752: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1753: term_word(p, "(");
1.222 kristaps 1754: p->flags |= TERMP_NOSPACE;
1.379 schwarze 1755: if (n->flags & NODE_SYNPRETTY) {
1.256 schwarze 1756: term_flushln(p);
1.263 schwarze 1757: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1758: TERMP_HANG);
1.360 schwarze 1759: p->flags |= TERMP_NOPAD;
1.362 schwarze 1760: p->tcol->offset = p->tcol->rmargin;
1761: p->tcol->rmargin = rmargin;
1.256 schwarze 1762: }
1.328 schwarze 1763: return 1;
1.379 schwarze 1764: default:
1765: return termp_bold_pre(p, pair, meta, n);
1.256 schwarze 1766: }
1.1 kristaps 1767: }
1768:
1769: static void
1770: termp_fo_post(DECL_ARGS)
1771: {
1.314 schwarze 1772: if (n->type != ROFFT_BODY)
1.143 kristaps 1773: return;
1774:
1.222 kristaps 1775: p->flags |= TERMP_NOSPACE;
1.143 kristaps 1776: term_word(p, ")");
1777:
1.379 schwarze 1778: if (n->flags & NODE_SYNPRETTY) {
1.222 kristaps 1779: p->flags |= TERMP_NOSPACE;
1.143 kristaps 1780: term_word(p, ";");
1.256 schwarze 1781: term_flushln(p);
1.222 kristaps 1782: }
1.1 kristaps 1783: }
1784:
1785: static int
1786: termp_bf_pre(DECL_ARGS)
1787: {
1.379 schwarze 1788: switch (n->type) {
1789: case ROFFT_HEAD:
1.328 schwarze 1790: return 0;
1.379 schwarze 1791: case ROFFT_BODY:
1792: break;
1793: default:
1.328 schwarze 1794: return 1;
1.379 schwarze 1795: }
1796: switch (n->norm->Bf.font) {
1797: case FONT_Em:
1798: return termp_under_pre(p, pair, meta, n);
1799: case FONT_Sy:
1800: return termp_bold_pre(p, pair, meta, n);
1801: default:
1802: return termp_li_pre(p, pair, meta, n);
1803: }
1.1 kristaps 1804: }
1805:
1806: static int
1807: termp_sm_pre(DECL_ARGS)
1808: {
1.379 schwarze 1809: if (n->child == NULL)
1.269 schwarze 1810: p->flags ^= TERMP_NONOSPACE;
1.379 schwarze 1811: else if (strcmp(n->child->string, "on") == 0)
1.1 kristaps 1812: p->flags &= ~TERMP_NONOSPACE;
1.269 schwarze 1813: else
1.1 kristaps 1814: p->flags |= TERMP_NONOSPACE;
1.269 schwarze 1815:
1816: if (p->col && ! (TERMP_NONOSPACE & p->flags))
1817: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1818:
1.328 schwarze 1819: return 0;
1.1 kristaps 1820: }
1821:
1822: static int
1823: termp_ap_pre(DECL_ARGS)
1824: {
1825: p->flags |= TERMP_NOSPACE;
1.188 kristaps 1826: term_word(p, "'");
1.1 kristaps 1827: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1828: return 1;
1.1 kristaps 1829: }
1830:
1831: static void
1832: termp____post(DECL_ARGS)
1833: {
1.377 schwarze 1834: struct roff_node *nn;
1.184 kristaps 1835:
1836: /*
1837: * Handle lists of authors. In general, print each followed by
1838: * a comma. Don't print the comma if there are only two
1839: * authors.
1840: */
1.377 schwarze 1841: if (n->tok == MDOC__A &&
1842: (nn = roff_node_next(n)) != NULL && nn->tok == MDOC__A &&
1843: ((nn = roff_node_next(nn)) == NULL || nn->tok != MDOC__A) &&
1844: ((nn = roff_node_prev(n)) == NULL || nn->tok != MDOC__A))
1845: return;
1.1 kristaps 1846:
1.95 kristaps 1847: /* TODO: %U. */
1848:
1.377 schwarze 1849: if (n->parent == NULL || n->parent->tok != MDOC_Rs)
1.187 kristaps 1850: return;
1851:
1.222 kristaps 1852: p->flags |= TERMP_NOSPACE;
1.377 schwarze 1853: if (roff_node_next(n) == NULL) {
1.186 kristaps 1854: term_word(p, ".");
1855: p->flags |= TERMP_SENTENCE;
1856: } else
1857: term_word(p, ",");
1.1 kristaps 1858: }
1859:
1860: static int
1.102 kristaps 1861: termp_li_pre(DECL_ARGS)
1862: {
1863: term_fontpush(p, TERMFONT_NONE);
1.328 schwarze 1864: return 1;
1.102 kristaps 1865: }
1866:
1867: static int
1.1 kristaps 1868: termp_lk_pre(DECL_ARGS)
1869: {
1.358 schwarze 1870: const struct roff_node *link, *descr, *punct;
1.1 kristaps 1871:
1.349 schwarze 1872: if ((link = n->child) == NULL)
1.328 schwarze 1873: return 0;
1.181 kristaps 1874:
1.358 schwarze 1875: /* Find beginning of trailing punctuation. */
1876: punct = n->last;
1877: while (punct != link && punct->flags & NODE_DELIMC)
1878: punct = punct->prev;
1879: punct = punct->next;
1880:
1.349 schwarze 1881: /* Link text. */
1.358 schwarze 1882: if ((descr = link->next) != NULL && descr != punct) {
1.240 schwarze 1883: term_fontpush(p, TERMFONT_UNDER);
1.358 schwarze 1884: while (descr != punct) {
1885: if (descr->flags & (NODE_DELIMC | NODE_DELIMO))
1886: p->flags |= TERMP_NOSPACE;
1.240 schwarze 1887: term_word(p, descr->string);
1888: descr = descr->next;
1889: }
1.347 schwarze 1890: term_fontpop(p);
1.240 schwarze 1891: p->flags |= TERMP_NOSPACE;
1892: term_word(p, ":");
1893: }
1.1 kristaps 1894:
1.349 schwarze 1895: /* Link target. */
1.102 kristaps 1896: term_fontpush(p, TERMFONT_BOLD);
1.240 schwarze 1897: term_word(p, link->string);
1.102 kristaps 1898: term_fontpop(p);
1.348 schwarze 1899:
1.349 schwarze 1900: /* Trailing punctuation. */
1.358 schwarze 1901: while (punct != NULL) {
1.349 schwarze 1902: p->flags |= TERMP_NOSPACE;
1.358 schwarze 1903: term_word(p, punct->string);
1904: punct = punct->next;
1.349 schwarze 1905: }
1.328 schwarze 1906: return 0;
1.1 kristaps 1907: }
1908:
1.159 schwarze 1909: static int
1910: termp_bk_pre(DECL_ARGS)
1911: {
1.161 schwarze 1912: switch (n->type) {
1.314 schwarze 1913: case ROFFT_BLOCK:
1.166 kristaps 1914: break;
1.314 schwarze 1915: case ROFFT_HEAD:
1.328 schwarze 1916: return 0;
1.314 schwarze 1917: case ROFFT_BODY:
1.331 schwarze 1918: if (n->parent->args != NULL || n->prev->child == NULL)
1.200 schwarze 1919: p->flags |= TERMP_PREKEEP;
1.166 kristaps 1920: break;
1.161 schwarze 1921: default:
1922: abort();
1923: }
1.328 schwarze 1924: return 1;
1.159 schwarze 1925: }
1926:
1927: static void
1928: termp_bk_post(DECL_ARGS)
1929: {
1.314 schwarze 1930: if (n->type == ROFFT_BODY)
1.161 schwarze 1931: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203 kristaps 1932: }
1933:
1.379 schwarze 1934: /*
1935: * If we are in an `Rs' and there is a journal present,
1936: * then quote us instead of underlining us (for disambiguation).
1937: */
1.203 kristaps 1938: static void
1939: termp__t_post(DECL_ARGS)
1940: {
1.379 schwarze 1941: if (n->parent != NULL && n->parent->tok == MDOC_Rs &&
1.264 schwarze 1942: n->parent->norm->Rs.quote_T)
1.245 schwarze 1943: termp_quote_post(p, pair, meta, n);
1944: termp____post(p, pair, meta, n);
1.203 kristaps 1945: }
1946:
1947: static int
1948: termp__t_pre(DECL_ARGS)
1949: {
1.379 schwarze 1950: if (n->parent != NULL && n->parent->tok == MDOC_Rs &&
1.264 schwarze 1951: n->parent->norm->Rs.quote_T)
1.328 schwarze 1952: return termp_quote_pre(p, pair, meta, n);
1.379 schwarze 1953: else
1954: return termp_under_pre(p, pair, meta, n);
1.159 schwarze 1955: }
1.1 kristaps 1956:
1957: static int
1.69 kristaps 1958: termp_under_pre(DECL_ARGS)
1.1 kristaps 1959: {
1.334 schwarze 1960: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 1961: return 1;
1.369 schwarze 1962: }
1963:
1964: static int
1965: termp_abort_pre(DECL_ARGS)
1966: {
1967: abort();
1.84 kristaps 1968: }
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