Annotation of mandoc/mdoc_term.c, Revision 1.369
1.369 ! schwarze 1: /* $Id: mdoc_term.c,v 1.368 2018/08/17 20:33:38 schwarze Exp $ */
1.1 kristaps 2: /*
1.217 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.367 schwarze 4: * Copyright (c) 2010, 2012-2018 Ingo Schwarze <schwarze@openbsd.org>
1.256 schwarze 5: * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
1.1 kristaps 6: *
7: * Permission to use, copy, modify, and distribute this software for any
1.6 kristaps 8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 10: *
1.314 schwarze 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.6 kristaps 12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.314 schwarze 13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.6 kristaps 14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 18: */
1.107 kristaps 19: #include "config.h"
20:
1.1 kristaps 21: #include <sys/types.h>
22:
23: #include <assert.h>
24: #include <ctype.h>
1.302 schwarze 25: #include <limits.h>
1.118 kristaps 26: #include <stdint.h>
1.1 kristaps 27: #include <stdio.h>
28: #include <stdlib.h>
29: #include <string.h>
30:
1.314 schwarze 31: #include "mandoc_aux.h"
1.125 kristaps 32: #include "mandoc.h"
1.314 schwarze 33: #include "roff.h"
34: #include "mdoc.h"
1.92 kristaps 35: #include "out.h"
1.1 kristaps 36: #include "term.h"
1.320 schwarze 37: #include "tag.h"
1.89 kristaps 38: #include "main.h"
1.1 kristaps 39:
40: struct termpair {
41: struct termpair *ppair;
1.31 kristaps 42: int count;
1.1 kristaps 43: };
44:
1.31 kristaps 45: #define DECL_ARGS struct termp *p, \
46: struct termpair *pair, \
1.316 schwarze 47: const struct roff_meta *meta, \
1.315 schwarze 48: struct roff_node *n
1.1 kristaps 49:
1.368 schwarze 50: struct mdoc_term_act {
1.1 kristaps 51: int (*pre)(DECL_ARGS);
52: void (*post)(DECL_ARGS);
53: };
54:
1.302 schwarze 55: static int a2width(const struct termp *, const char *);
1.96 kristaps 56:
57: static void print_bvspace(struct termp *,
1.315 schwarze 58: const struct roff_node *,
59: const struct roff_node *);
1.264 schwarze 60: static void print_mdoc_node(DECL_ARGS);
1.145 kristaps 61: static void print_mdoc_nodelist(DECL_ARGS);
1.316 schwarze 62: static void print_mdoc_head(struct termp *, const struct roff_meta *);
63: static void print_mdoc_foot(struct termp *, const struct roff_meta *);
1.264 schwarze 64: static void synopsis_pre(struct termp *,
1.315 schwarze 65: const 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_cd_pre(DECL_ARGS);
96: static int termp_d1_pre(DECL_ARGS);
1.306 schwarze 97: static int termp_eo_pre(DECL_ARGS);
1.334 schwarze 98: static int termp_em_pre(DECL_ARGS);
1.323 schwarze 99: static int termp_er_pre(DECL_ARGS);
1.31 kristaps 100: static int termp_ex_pre(DECL_ARGS);
101: static int termp_fa_pre(DECL_ARGS);
1.188 kristaps 102: static int termp_fd_pre(DECL_ARGS);
1.31 kristaps 103: static int termp_fl_pre(DECL_ARGS);
104: static int termp_fn_pre(DECL_ARGS);
105: static int termp_fo_pre(DECL_ARGS);
106: static int termp_ft_pre(DECL_ARGS);
107: static int termp_in_pre(DECL_ARGS);
108: static int termp_it_pre(DECL_ARGS);
1.102 kristaps 109: static int termp_li_pre(DECL_ARGS);
1.31 kristaps 110: static int termp_lk_pre(DECL_ARGS);
111: static int termp_nd_pre(DECL_ARGS);
112: static int termp_nm_pre(DECL_ARGS);
113: static int termp_ns_pre(DECL_ARGS);
1.188 kristaps 114: static int termp_quote_pre(DECL_ARGS);
1.31 kristaps 115: static int termp_rs_pre(DECL_ARGS);
116: static int termp_sh_pre(DECL_ARGS);
1.294 schwarze 117: static int termp_skip_pre(DECL_ARGS);
1.31 kristaps 118: static int termp_sm_pre(DECL_ARGS);
1.355 schwarze 119: static int termp_pp_pre(DECL_ARGS);
1.31 kristaps 120: static int termp_ss_pre(DECL_ARGS);
1.334 schwarze 121: static int termp_sy_pre(DECL_ARGS);
1.320 schwarze 122: static int termp_tag_pre(DECL_ARGS);
1.69 kristaps 123: static int termp_under_pre(DECL_ARGS);
1.110 kristaps 124: static int termp_vt_pre(DECL_ARGS);
1.31 kristaps 125: static int termp_xr_pre(DECL_ARGS);
126: static int termp_xx_pre(DECL_ARGS);
127:
1.368 schwarze 128: static const struct mdoc_term_act mdoc_term_acts[MDOC_MAX - MDOC_Dd] = {
1.1 kristaps 129: { NULL, NULL }, /* Dd */
130: { NULL, NULL }, /* Dt */
131: { NULL, NULL }, /* Os */
132: { termp_sh_pre, termp_sh_post }, /* Sh */
1.264 schwarze 133: { termp_ss_pre, termp_ss_post }, /* Ss */
1.355 schwarze 134: { termp_pp_pre, NULL }, /* Pp */
1.241 schwarze 135: { termp_d1_pre, termp_bl_post }, /* D1 */
136: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 137: { termp_bd_pre, termp_bd_post }, /* Bd */
138: { NULL, NULL }, /* Ed */
1.115 kristaps 139: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 140: { NULL, NULL }, /* El */
141: { termp_it_pre, termp_it_post }, /* It */
1.264 schwarze 142: { termp_under_pre, NULL }, /* Ad */
1.282 schwarze 143: { termp_an_pre, NULL }, /* An */
1.350 schwarze 144: { termp_ap_pre, NULL }, /* Ap */
1.69 kristaps 145: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 146: { termp_cd_pre, NULL }, /* Cd */
1.69 kristaps 147: { termp_bold_pre, NULL }, /* Cm */
1.325 schwarze 148: { termp_li_pre, NULL }, /* Dv */
1.323 schwarze 149: { termp_er_pre, NULL }, /* Er */
1.320 schwarze 150: { termp_tag_pre, NULL }, /* Ev */
1.1 kristaps 151: { termp_ex_pre, NULL }, /* Ex */
1.264 schwarze 152: { termp_fa_pre, NULL }, /* Fa */
153: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 154: { termp_fl_pre, NULL }, /* Fl */
1.264 schwarze 155: { termp_fn_pre, NULL }, /* Fn */
156: { termp_ft_pre, NULL }, /* Ft */
157: { termp_bold_pre, NULL }, /* Ic */
158: { termp_in_pre, termp_in_post }, /* In */
1.102 kristaps 159: { termp_li_pre, NULL }, /* Li */
1.264 schwarze 160: { termp_nd_pre, NULL }, /* Nd */
161: { termp_nm_pre, termp_nm_post }, /* Nm */
1.188 kristaps 162: { termp_quote_pre, termp_quote_post }, /* Op */
1.369 ! schwarze 163: { termp_abort_pre, NULL }, /* Ot */
1.69 kristaps 164: { termp_under_pre, NULL }, /* Pa */
1.341 schwarze 165: { termp_ex_pre, NULL }, /* Rv */
1.264 schwarze 166: { NULL, NULL }, /* St */
1.69 kristaps 167: { termp_under_pre, NULL }, /* Va */
1.143 kristaps 168: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 169: { termp_xr_pre, NULL }, /* Xr */
1.184 kristaps 170: { termp__a_pre, termp____post }, /* %A */
1.84 kristaps 171: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 172: { NULL, termp____post }, /* %D */
1.84 kristaps 173: { termp_under_pre, termp____post }, /* %I */
1.69 kristaps 174: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 175: { NULL, termp____post }, /* %N */
176: { NULL, termp____post }, /* %O */
177: { NULL, termp____post }, /* %P */
178: { NULL, termp____post }, /* %R */
1.203 kristaps 179: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 180: { NULL, termp____post }, /* %V */
181: { NULL, NULL }, /* Ac */
1.188 kristaps 182: { termp_quote_pre, termp_quote_post }, /* Ao */
183: { termp_quote_pre, termp_quote_post }, /* Aq */
1.35 kristaps 184: { NULL, NULL }, /* At */
1.1 kristaps 185: { NULL, NULL }, /* Bc */
1.264 schwarze 186: { termp_bf_pre, NULL }, /* Bf */
1.188 kristaps 187: { termp_quote_pre, termp_quote_post }, /* Bo */
188: { termp_quote_pre, termp_quote_post }, /* Bq */
1.339 schwarze 189: { termp_xx_pre, termp_xx_post }, /* Bsx */
1.340 schwarze 190: { NULL, NULL }, /* Bx */
1.294 schwarze 191: { termp_skip_pre, NULL }, /* Db */
1.1 kristaps 192: { NULL, NULL }, /* Dc */
1.188 kristaps 193: { termp_quote_pre, termp_quote_post }, /* Do */
194: { termp_quote_pre, termp_quote_post }, /* Dq */
1.112 kristaps 195: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 196: { NULL, NULL }, /* Ef */
1.334 schwarze 197: { termp_em_pre, NULL }, /* Em */
1.306 schwarze 198: { termp_eo_pre, termp_eo_post }, /* Eo */
1.339 schwarze 199: { termp_xx_pre, termp_xx_post }, /* Fx */
1.176 kristaps 200: { termp_bold_pre, NULL }, /* Ms */
1.290 schwarze 201: { termp_li_pre, NULL }, /* No */
1.1 kristaps 202: { termp_ns_pre, NULL }, /* Ns */
1.339 schwarze 203: { termp_xx_pre, termp_xx_post }, /* Nx */
204: { termp_xx_pre, termp_xx_post }, /* Ox */
1.1 kristaps 205: { NULL, NULL }, /* Pc */
1.254 schwarze 206: { NULL, termp_pf_post }, /* Pf */
1.188 kristaps 207: { termp_quote_pre, termp_quote_post }, /* Po */
208: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 209: { NULL, NULL }, /* Qc */
1.188 kristaps 210: { termp_quote_pre, termp_quote_post }, /* Ql */
211: { termp_quote_pre, termp_quote_post }, /* Qo */
212: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 213: { NULL, NULL }, /* Re */
214: { termp_rs_pre, NULL }, /* Rs */
215: { NULL, NULL }, /* Sc */
1.188 kristaps 216: { termp_quote_pre, termp_quote_post }, /* So */
217: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 218: { termp_sm_pre, NULL }, /* Sm */
1.69 kristaps 219: { termp_under_pre, NULL }, /* Sx */
1.334 schwarze 220: { termp_sy_pre, NULL }, /* Sy */
1.1 kristaps 221: { NULL, NULL }, /* Tn */
1.339 schwarze 222: { termp_xx_pre, termp_xx_post }, /* Ux */
1.1 kristaps 223: { NULL, NULL }, /* Xc */
224: { NULL, NULL }, /* Xo */
1.264 schwarze 225: { termp_fo_pre, termp_fo_post }, /* Fo */
226: { NULL, NULL }, /* Fc */
1.188 kristaps 227: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 228: { NULL, NULL }, /* Oc */
1.159 schwarze 229: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 230: { NULL, NULL }, /* Ek */
1.341 schwarze 231: { NULL, NULL }, /* Bt */
1.1 kristaps 232: { NULL, NULL }, /* Hf */
1.268 schwarze 233: { termp_under_pre, NULL }, /* Fr */
1.341 schwarze 234: { NULL, NULL }, /* Ud */
1.37 kristaps 235: { NULL, termp_lb_post }, /* Lb */
1.369 ! schwarze 236: { termp_abort_pre, NULL }, /* Lp */
1.264 schwarze 237: { termp_lk_pre, NULL }, /* Lk */
238: { termp_under_pre, NULL }, /* Mt */
239: { termp_quote_pre, termp_quote_post }, /* Brq */
240: { termp_quote_pre, termp_quote_post }, /* Bro */
241: { NULL, NULL }, /* Brc */
242: { NULL, termp____post }, /* %C */
1.294 schwarze 243: { termp_skip_pre, NULL }, /* Es */
1.268 schwarze 244: { termp_quote_pre, termp_quote_post }, /* En */
1.339 schwarze 245: { termp_xx_pre, termp_xx_post }, /* Dx */
1.264 schwarze 246: { NULL, termp____post }, /* %Q */
247: { NULL, termp____post }, /* %U */
248: { NULL, NULL }, /* Ta */
1.1 kristaps 249: };
250:
1.322 schwarze 251: static int fn_prio;
1.1 kristaps 252:
1.350 schwarze 253:
1.70 kristaps 254: void
1.318 schwarze 255: terminal_mdoc(void *arg, const struct roff_man *mdoc)
1.1 kristaps 256: {
1.315 schwarze 257: struct roff_node *n;
1.89 kristaps 258: struct termp *p;
1.342 schwarze 259: size_t save_defindent;
1.89 kristaps 260:
261: p = (struct termp *)arg;
1.362 schwarze 262: p->tcol->rmargin = p->maxrmargin = p->defrmargin;
1.356 schwarze 263: term_tab_set(p, NULL);
264: term_tab_set(p, "T");
265: term_tab_set(p, ".5i");
1.70 kristaps 266:
1.319 schwarze 267: n = mdoc->first->child;
1.281 schwarze 268: if (p->synopsisonly) {
269: while (n != NULL) {
270: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
271: if (n->child->next->child != NULL)
272: print_mdoc_nodelist(p, NULL,
1.319 schwarze 273: &mdoc->meta,
274: n->child->next->child);
1.281 schwarze 275: term_newln(p);
276: break;
277: }
278: n = n->next;
279: }
280: } else {
1.342 schwarze 281: save_defindent = p->defindent;
1.281 schwarze 282: if (p->defindent == 0)
283: p->defindent = 5;
1.319 schwarze 284: term_begin(p, print_mdoc_head, print_mdoc_foot,
285: &mdoc->meta);
1.367 schwarze 286: while (n != NULL &&
287: (n->type == ROFFT_COMMENT ||
288: n->flags & NODE_NOPRT))
1.337 schwarze 289: n = n->next;
1.281 schwarze 290: if (n != NULL) {
291: if (n->tok != MDOC_Sh)
292: term_vspace(p);
1.319 schwarze 293: print_mdoc_nodelist(p, NULL, &mdoc->meta, n);
1.281 schwarze 294: }
295: term_end(p);
1.342 schwarze 296: p->defindent = save_defindent;
1.271 schwarze 297: }
1.1 kristaps 298: }
299:
1.3 kristaps 300: static void
1.102 kristaps 301: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 302: {
303:
1.304 schwarze 304: while (n != NULL) {
305: print_mdoc_node(p, pair, meta, n);
306: n = n->next;
307: }
1.1 kristaps 308: }
309:
1.3 kristaps 310: static void
1.102 kristaps 311: print_mdoc_node(DECL_ARGS)
1.1 kristaps 312: {
1.368 schwarze 313: const struct mdoc_term_act *act;
1.1 kristaps 314: struct termpair npair;
1.30 kristaps 315: size_t offset, rmargin;
1.368 schwarze 316: int chld;
1.1 kristaps 317:
1.367 schwarze 318: if (n->type == ROFFT_COMMENT || n->flags & NODE_NOPRT)
1.337 schwarze 319: return;
320:
1.70 kristaps 321: chld = 1;
1.362 schwarze 322: offset = p->tcol->offset;
323: rmargin = p->tcol->rmargin;
1.338 schwarze 324: n->flags &= ~NODE_ENDED;
1.305 schwarze 325: n->prev_font = p->fonti;
1.29 kristaps 326:
1.97 kristaps 327: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 328: npair.ppair = pair;
1.172 kristaps 329:
330: /*
331: * Keeps only work until the end of a line. If a keep was
332: * invoked in a prior line, revert it to PREKEEP.
333: */
334:
1.338 schwarze 335: if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
1.307 schwarze 336: p->flags &= ~TERMP_KEEP;
337: p->flags |= TERMP_PREKEEP;
1.172 kristaps 338: }
1.197 schwarze 339:
340: /*
1.217 schwarze 341: * After the keep flags have been set up, we may now
342: * produce output. Note that some pre-handlers do so.
343: */
344:
345: switch (n->type) {
1.314 schwarze 346: case ROFFT_TEXT:
1.357 schwarze 347: if (*n->string == ' ' && n->flags & NODE_LINE &&
348: (p->flags & TERMP_NONEWLINE) == 0)
1.217 schwarze 349: term_newln(p);
1.338 schwarze 350: if (NODE_DELIMC & n->flags)
1.222 kristaps 351: p->flags |= TERMP_NOSPACE;
1.217 schwarze 352: term_word(p, n->string);
1.338 schwarze 353: if (NODE_DELIMO & n->flags)
1.222 kristaps 354: p->flags |= TERMP_NOSPACE;
1.217 schwarze 355: break;
1.314 schwarze 356: case ROFFT_EQN:
1.338 schwarze 357: if ( ! (n->flags & NODE_LINE))
1.284 schwarze 358: p->flags |= TERMP_NOSPACE;
1.233 kristaps 359: term_eqn(p, n->eqn);
1.338 schwarze 360: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.285 schwarze 361: p->flags |= TERMP_NOSPACE;
1.217 schwarze 362: break;
1.314 schwarze 363: case ROFFT_TBL:
1.313 schwarze 364: if (p->tbl.cols == NULL)
365: term_newln(p);
1.217 schwarze 366: term_tbl(p, n->span);
367: break;
368: default:
1.351 schwarze 369: if (n->tok < ROFF_MAX) {
1.352 schwarze 370: roff_term_pre(p, n);
1.354 schwarze 371: return;
1.351 schwarze 372: }
373: assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
1.368 schwarze 374: act = mdoc_term_acts + (n->tok - MDOC_Dd);
375: if (act->pre != NULL &&
1.331 schwarze 376: (n->end == ENDBODY_NOT || n->child != NULL))
1.368 schwarze 377: chld = (*act->pre)(p, &npair, meta, n);
1.217 schwarze 378: break;
379: }
380:
1.86 kristaps 381: if (chld && n->child)
1.245 schwarze 382: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 383:
1.244 schwarze 384: term_fontpopq(p,
1.310 schwarze 385: (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.46 kristaps 386:
1.206 kristaps 387: switch (n->type) {
1.314 schwarze 388: case ROFFT_TEXT:
1.206 kristaps 389: break;
1.314 schwarze 390: case ROFFT_TBL:
1.216 kristaps 391: break;
1.314 schwarze 392: case ROFFT_EQN:
1.206 kristaps 393: break;
394: default:
1.368 schwarze 395: if (act->post == NULL || n->flags & NODE_ENDED)
1.206 kristaps 396: break;
1.368 schwarze 397: (void)(*act->post)(p, &npair, meta, n);
1.162 schwarze 398:
399: /*
400: * Explicit end tokens not only call the post
401: * handler, but also tell the respective block
402: * that it must not call the post handler again.
403: */
1.165 kristaps 404: if (ENDBODY_NOT != n->end)
1.338 schwarze 405: n->body->flags |= NODE_ENDED;
1.206 kristaps 406: break;
1.162 schwarze 407: }
1.121 kristaps 408:
1.338 schwarze 409: if (NODE_EOS & n->flags)
1.121 kristaps 410: p->flags |= TERMP_SENTENCE;
1.29 kristaps 411:
1.359 schwarze 412: if (n->type != ROFFT_TEXT)
1.362 schwarze 413: p->tcol->offset = offset;
414: p->tcol->rmargin = rmargin;
1.1 kristaps 415: }
416:
1.3 kristaps 417: static void
1.316 schwarze 418: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 419: {
1.292 schwarze 420: size_t sz;
1.144 kristaps 421:
1.102 kristaps 422: term_fontrepl(p, TERMFONT_NONE);
1.101 kristaps 423:
1.264 schwarze 424: /*
1.9 kristaps 425: * Output the footer in new-groff style, that is, three columns
426: * with the middle being the manual date and flanking columns
427: * being the operating system:
428: *
429: * SYSTEM DATE SYSTEM
430: */
431:
1.1 kristaps 432: term_vspace(p);
433:
1.362 schwarze 434: p->tcol->offset = 0;
1.292 schwarze 435: sz = term_strlen(p, meta->date);
1.362 schwarze 436: p->tcol->rmargin = p->maxrmargin > sz ?
1.292 schwarze 437: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.250 schwarze 438: p->trailspace = 1;
1.1 kristaps 439: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
440:
1.245 schwarze 441: term_word(p, meta->os);
1.1 kristaps 442: term_flushln(p);
443:
1.362 schwarze 444: p->tcol->offset = p->tcol->rmargin;
1.292 schwarze 445: sz = term_strlen(p, meta->os);
1.362 schwarze 446: p->tcol->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.234 schwarze 447: p->flags |= TERMP_NOSPACE;
1.9 kristaps 448:
1.245 schwarze 449: term_word(p, meta->date);
1.9 kristaps 450: term_flushln(p);
451:
1.362 schwarze 452: p->tcol->offset = p->tcol->rmargin;
453: p->tcol->rmargin = p->maxrmargin;
1.250 schwarze 454: p->trailspace = 0;
1.1 kristaps 455: p->flags &= ~TERMP_NOBREAK;
1.234 schwarze 456: p->flags |= TERMP_NOSPACE;
1.1 kristaps 457:
1.245 schwarze 458: term_word(p, meta->os);
1.1 kristaps 459: term_flushln(p);
460:
1.362 schwarze 461: p->tcol->offset = 0;
462: p->tcol->rmargin = p->maxrmargin;
1.9 kristaps 463: p->flags = 0;
1.1 kristaps 464: }
465:
1.3 kristaps 466: static void
1.316 schwarze 467: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 468: {
1.267 schwarze 469: char *volume, *title;
470: size_t vollen, titlen;
1.1 kristaps 471:
472: /*
473: * The header is strange. It has three components, which are
474: * really two with the first duplicated. It goes like this:
475: *
476: * IDENTIFIER TITLE IDENTIFIER
477: *
478: * The IDENTIFIER is NAME(SECTION), which is the command-name
479: * (if given, or "unknown" if not) followed by the manual page
480: * section. These are given in `Dt'. The TITLE is a free-form
481: * string depending on the manual volume. If not specified, it
482: * switches on the manual section.
483: */
1.235 schwarze 484:
1.245 schwarze 485: assert(meta->vol);
1.267 schwarze 486: if (NULL == meta->arch)
487: volume = mandoc_strdup(meta->vol);
488: else
489: mandoc_asprintf(&volume, "%s (%s)",
490: meta->vol, meta->arch);
491: vollen = term_strlen(p, volume);
1.1 kristaps 492:
1.275 schwarze 493: if (NULL == meta->msec)
494: title = mandoc_strdup(meta->title);
495: else
496: mandoc_asprintf(&title, "%s(%s)",
497: meta->title, meta->msec);
1.235 schwarze 498: titlen = term_strlen(p, title);
1.1 kristaps 499:
1.235 schwarze 500: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250 schwarze 501: p->trailspace = 1;
1.362 schwarze 502: p->tcol->offset = 0;
503: p->tcol->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1.267 schwarze 504: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.292 schwarze 505: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 506:
507: term_word(p, title);
508: term_flushln(p);
509:
1.235 schwarze 510: p->flags |= TERMP_NOSPACE;
1.362 schwarze 511: p->tcol->offset = p->tcol->rmargin;
512: p->tcol->rmargin = p->tcol->offset + vollen + titlen <
513: p->maxrmargin ? p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 514:
1.267 schwarze 515: term_word(p, volume);
1.1 kristaps 516: term_flushln(p);
517:
518: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 519: p->trailspace = 0;
1.362 schwarze 520: if (p->tcol->rmargin + titlen <= p->maxrmargin) {
1.235 schwarze 521: p->flags |= TERMP_NOSPACE;
1.362 schwarze 522: p->tcol->offset = p->tcol->rmargin;
523: p->tcol->rmargin = p->maxrmargin;
1.235 schwarze 524: term_word(p, title);
525: term_flushln(p);
526: }
1.1 kristaps 527:
1.235 schwarze 528: p->flags &= ~TERMP_NOSPACE;
1.362 schwarze 529: p->tcol->offset = 0;
530: p->tcol->rmargin = p->maxrmargin;
1.266 schwarze 531: free(title);
1.267 schwarze 532: free(volume);
1.1 kristaps 533: }
534:
1.302 schwarze 535: static int
1.157 kristaps 536: a2width(const struct termp *p, const char *v)
1.91 kristaps 537: {
1.92 kristaps 538: struct roffsu su;
1.363 schwarze 539: const char *end;
1.1 kristaps 540:
1.363 schwarze 541: end = a2roffsu(v, &su, SCALE_MAX);
542: if (end == NULL || *end != '\0') {
1.157 kristaps 543: SCALE_HS_INIT(&su, term_strlen(p, v));
1.283 schwarze 544: su.scale /= term_strlen(p, "0");
1.302 schwarze 545: }
1.364 schwarze 546: return term_hen(p, &su);
1.1 kristaps 547: }
548:
1.108 kristaps 549: /*
550: * Determine how much space to print out before block elements of `It'
551: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
552: * too.
553: */
1.54 kristaps 554: static void
1.264 schwarze 555: print_bvspace(struct termp *p,
1.315 schwarze 556: const struct roff_node *bl,
557: const struct roff_node *n)
1.1 kristaps 558: {
1.315 schwarze 559: const struct roff_node *nn;
1.236 schwarze 560:
561: assert(n);
1.1 kristaps 562:
563: term_newln(p);
1.150 kristaps 564:
1.202 kristaps 565: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150 kristaps 566: return;
1.202 kristaps 567: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54 kristaps 568: return;
569:
1.85 kristaps 570: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 571:
1.289 schwarze 572: nn = n;
1.367 schwarze 573: while (nn->prev != NULL &&
574: (nn->prev->type == ROFFT_COMMENT ||
575: nn->prev->flags & NODE_NOPRT))
1.337 schwarze 576: nn = nn->prev;
1.289 schwarze 577: while (nn->prev == NULL) {
578: do {
579: nn = nn->parent;
1.314 schwarze 580: if (nn->type == ROFFT_ROOT)
1.289 schwarze 581: return;
1.314 schwarze 582: } while (nn->type != ROFFT_BLOCK);
1.289 schwarze 583: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.54 kristaps 584: return;
1.289 schwarze 585: if (nn->tok == MDOC_It &&
586: nn->parent->parent->norm->Bl.type != LIST_item)
587: break;
1.1 kristaps 588: }
589:
1.85 kristaps 590: /* A `-column' does not assert vspace within the list. */
1.54 kristaps 591:
1.202 kristaps 592: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86 kristaps 593: if (n->prev && MDOC_It == n->prev->tok)
1.54 kristaps 594: return;
595:
1.85 kristaps 596: /* A `-diag' without body does not vspace. */
597:
1.202 kristaps 598: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86 kristaps 599: if (n->prev && MDOC_It == n->prev->tok) {
600: assert(n->prev->body);
601: if (NULL == n->prev->body->child)
1.55 kristaps 602: return;
603: }
604:
1.54 kristaps 605: term_vspace(p);
1.260 schwarze 606: }
607:
1.1 kristaps 608:
609: static int
610: termp_it_pre(DECL_ARGS)
611: {
1.345 schwarze 612: struct roffsu su;
1.302 schwarze 613: char buf[24];
1.315 schwarze 614: const struct roff_node *bl, *nn;
1.302 schwarze 615: size_t ncols, dcol;
616: int i, offset, width;
1.126 kristaps 617: enum mdoc_list type;
1.1 kristaps 618:
1.314 schwarze 619: if (n->type == ROFFT_BLOCK) {
1.151 kristaps 620: print_bvspace(p, n->parent->parent, n);
1.328 schwarze 621: return 1;
1.54 kristaps 622: }
1.1 kristaps 623:
1.86 kristaps 624: bl = n->parent->parent->parent;
1.202 kristaps 625: type = bl->norm->Bl.type;
1.1 kristaps 626:
1.264 schwarze 627: /*
1.302 schwarze 628: * Defaults for specific list types.
629: */
630:
631: switch (type) {
632: case LIST_bullet:
633: case LIST_dash:
634: case LIST_hyphen:
635: case LIST_enum:
636: width = term_len(p, 2);
637: break;
638: case LIST_hang:
1.332 schwarze 639: case LIST_tag:
1.302 schwarze 640: width = term_len(p, 8);
641: break;
642: case LIST_column:
643: width = term_len(p, 10);
644: break;
645: default:
646: width = 0;
647: break;
648: }
649: offset = 0;
650:
651: /*
1.108 kristaps 652: * First calculate width and offset. This is pretty easy unless
653: * we're a -column list, in which case all prior columns must
654: * be accounted for.
655: */
656:
1.302 schwarze 657: if (bl->norm->Bl.offs != NULL) {
1.288 schwarze 658: offset = a2width(p, bl->norm->Bl.offs);
1.362 schwarze 659: if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
660: offset = -p->tcol->offset;
1.302 schwarze 661: else if (offset > SHRT_MAX)
662: offset = 0;
663: }
1.152 kristaps 664:
1.1 kristaps 665: switch (type) {
1.264 schwarze 666: case LIST_column:
1.314 schwarze 667: if (n->type == ROFFT_HEAD)
1.1 kristaps 668: break;
1.155 kristaps 669:
1.105 kristaps 670: /*
1.108 kristaps 671: * Imitate groff's column handling:
672: * - For each earlier column, add its width.
673: * - For less than 5 columns, add four more blanks per
674: * column.
675: * - For exactly 5 columns, add three more blank per
676: * column.
677: * - For more than 5 columns, add only one column.
1.105 kristaps 678: */
1.202 kristaps 679: ncols = bl->norm->Bl.ncols;
1.264 schwarze 680: dcol = ncols < 5 ? term_len(p, 4) :
681: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108 kristaps 682:
1.134 kristaps 683: /*
1.314 schwarze 684: * Calculate the offset by applying all prior ROFFT_BODY,
685: * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.134 kristaps 686: */
687:
1.264 schwarze 688: for (i = 0, nn = n->prev;
689: nn->prev && i < (int)ncols;
1.345 schwarze 690: nn = nn->prev, i++) {
691: SCALE_HS_INIT(&su,
692: term_strlen(p, bl->norm->Bl.cols[i]));
693: su.scale /= term_strlen(p, "0");
1.364 schwarze 694: offset += term_hen(p, &su) + dcol;
1.345 schwarze 695: }
1.105 kristaps 696:
697: /*
1.108 kristaps 698: * When exceeding the declared number of columns, leave
699: * the remaining widths at 0. This will later be
700: * adjusted to the default width of 10, or, for the last
701: * column, stretched to the right margin.
1.58 kristaps 702: */
1.108 kristaps 703: if (i >= (int)ncols)
704: break;
1.58 kristaps 705:
1.105 kristaps 706: /*
1.108 kristaps 707: * Use the declared column widths, extended as explained
708: * in the preceding paragraph.
1.105 kristaps 709: */
1.345 schwarze 710: SCALE_HS_INIT(&su, term_strlen(p, bl->norm->Bl.cols[i]));
711: su.scale /= term_strlen(p, "0");
1.364 schwarze 712: width = term_hen(p, &su) + dcol;
1.1 kristaps 713: break;
714: default:
1.202 kristaps 715: if (NULL == bl->norm->Bl.width)
1.108 kristaps 716: break;
717:
1.264 schwarze 718: /*
1.108 kristaps 719: * Note: buffer the width by 2, which is groff's magic
720: * number for buffering single arguments. See the above
721: * handling for column for how this changes.
722: */
1.202 kristaps 723: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.362 schwarze 724: if (width < 0 && (size_t)(-width) > p->tcol->offset)
725: width = -p->tcol->offset;
1.302 schwarze 726: else if (width > SHRT_MAX)
727: width = 0;
1.1 kristaps 728: break;
729: }
730:
1.264 schwarze 731: /*
1.17 kristaps 732: * Whitespace control. Inset bodies need an initial space,
733: * while diagonal bodies need two.
1.1 kristaps 734: */
735:
1.51 kristaps 736: p->flags |= TERMP_NOSPACE;
737:
1.1 kristaps 738: switch (type) {
1.264 schwarze 739: case LIST_diag:
1.314 schwarze 740: if (n->type == ROFFT_BODY)
1.62 kristaps 741: term_word(p, "\\ \\ ");
1.51 kristaps 742: break;
1.264 schwarze 743: case LIST_inset:
1.331 schwarze 744: if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.51 kristaps 745: term_word(p, "\\ ");
1.1 kristaps 746: break;
747: default:
748: break;
749: }
750:
1.51 kristaps 751: p->flags |= TERMP_NOSPACE;
752:
1.1 kristaps 753: switch (type) {
1.264 schwarze 754: case LIST_diag:
1.314 schwarze 755: if (n->type == ROFFT_HEAD)
1.102 kristaps 756: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 757: break;
758: default:
759: break;
760: }
761:
762: /*
1.109 kristaps 763: * Pad and break control. This is the tricky part. These flags
764: * are documented in term_flushln() in term.c. Note that we're
765: * going to unset all of these flags in termp_it_post() when we
766: * exit.
1.1 kristaps 767: */
768:
769: switch (type) {
1.264 schwarze 770: case LIST_enum:
1.329 schwarze 771: case LIST_bullet:
772: case LIST_dash:
773: case LIST_hyphen:
1.360 schwarze 774: if (n->type == ROFFT_HEAD) {
775: p->flags |= TERMP_NOBREAK | TERMP_HANG;
776: p->trailspace = 1;
777: } else if (width <= (int)term_len(p, 2))
778: p->flags |= TERMP_NOPAD;
1.39 kristaps 779: break;
1.264 schwarze 780: case LIST_hang:
1.314 schwarze 781: if (n->type != ROFFT_HEAD)
1.59 kristaps 782: break;
1.263 schwarze 783: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250 schwarze 784: p->trailspace = 1;
1.39 kristaps 785: break;
1.264 schwarze 786: case LIST_tag:
1.314 schwarze 787: if (n->type != ROFFT_HEAD)
1.39 kristaps 788: break;
1.250 schwarze 789:
1.326 schwarze 790: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.250 schwarze 791: p->trailspace = 2;
792:
1.86 kristaps 793: if (NULL == n->next || NULL == n->next->child)
1.360 schwarze 794: p->flags |= TERMP_HANG;
1.1 kristaps 795: break;
1.264 schwarze 796: case LIST_column:
1.314 schwarze 797: if (n->type == ROFFT_HEAD)
1.134 kristaps 798: break;
799:
1.250 schwarze 800: if (NULL == n->next) {
1.134 kristaps 801: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 802: p->trailspace = 0;
803: } else {
1.134 kristaps 804: p->flags |= TERMP_NOBREAK;
1.250 schwarze 805: p->trailspace = 1;
806: }
1.134 kristaps 807:
1.1 kristaps 808: break;
1.264 schwarze 809: case LIST_diag:
1.314 schwarze 810: if (n->type != ROFFT_HEAD)
1.250 schwarze 811: break;
1.263 schwarze 812: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 813: p->trailspace = 1;
1.1 kristaps 814: break;
815: default:
816: break;
817: }
818:
1.264 schwarze 819: /*
1.1 kristaps 820: * Margin control. Set-head-width lists have their right
821: * margins shortened. The body for these lists has the offset
822: * necessarily lengthened. Everybody gets the offset.
823: */
824:
1.362 schwarze 825: p->tcol->offset += offset;
1.1 kristaps 826:
827: switch (type) {
1.264 schwarze 828: case LIST_bullet:
829: case LIST_dash:
830: case LIST_enum:
831: case LIST_hyphen:
1.360 schwarze 832: case LIST_hang:
1.264 schwarze 833: case LIST_tag:
1.314 schwarze 834: if (n->type == ROFFT_HEAD)
1.362 schwarze 835: p->tcol->rmargin = p->tcol->offset + width;
1.292 schwarze 836: else
1.362 schwarze 837: p->tcol->offset += width;
1.1 kristaps 838: break;
1.264 schwarze 839: case LIST_column:
1.49 kristaps 840: assert(width);
1.362 schwarze 841: p->tcol->rmargin = p->tcol->offset + width;
1.264 schwarze 842: /*
1.50 kristaps 843: * XXX - this behaviour is not documented: the
844: * right-most column is filled to the right margin.
845: */
1.314 schwarze 846: if (n->type == ROFFT_HEAD)
1.134 kristaps 847: break;
1.362 schwarze 848: if (n->next == NULL && p->tcol->rmargin < p->maxrmargin)
849: p->tcol->rmargin = p->maxrmargin;
1.1 kristaps 850: break;
851: default:
852: break;
853: }
854:
1.264 schwarze 855: /*
1.1 kristaps 856: * The dash, hyphen, bullet and enum lists all have a special
1.264 schwarze 857: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 858: */
859:
1.314 schwarze 860: if (n->type == ROFFT_HEAD)
1.1 kristaps 861: switch (type) {
1.264 schwarze 862: case LIST_bullet:
1.102 kristaps 863: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 864: term_word(p, "\\[bu]");
1.102 kristaps 865: term_fontpop(p);
1.1 kristaps 866: break;
1.264 schwarze 867: case LIST_dash:
868: case LIST_hyphen:
1.102 kristaps 869: term_fontpush(p, TERMFONT_BOLD);
1.330 schwarze 870: term_word(p, "-");
1.102 kristaps 871: term_fontpop(p);
1.1 kristaps 872: break;
1.264 schwarze 873: case LIST_enum:
1.1 kristaps 874: (pair->ppair->ppair->count)++;
1.265 schwarze 875: (void)snprintf(buf, sizeof(buf), "%d.",
1.264 schwarze 876: pair->ppair->ppair->count);
1.1 kristaps 877: term_word(p, buf);
878: break;
879: default:
880: break;
881: }
882:
1.264 schwarze 883: /*
1.1 kristaps 884: * If we're not going to process our children, indicate so here.
885: */
886:
887: switch (type) {
1.264 schwarze 888: case LIST_bullet:
889: case LIST_item:
890: case LIST_dash:
891: case LIST_hyphen:
892: case LIST_enum:
1.314 schwarze 893: if (n->type == ROFFT_HEAD)
1.328 schwarze 894: return 0;
1.1 kristaps 895: break;
1.264 schwarze 896: case LIST_column:
1.314 schwarze 897: if (n->type == ROFFT_HEAD)
1.328 schwarze 898: return 0;
1.360 schwarze 899: p->minbl = 0;
1.1 kristaps 900: break;
901: default:
902: break;
903: }
904:
1.328 schwarze 905: return 1;
1.1 kristaps 906: }
907:
908: static void
909: termp_it_post(DECL_ARGS)
910: {
1.126 kristaps 911: enum mdoc_list type;
1.1 kristaps 912:
1.314 schwarze 913: if (n->type == ROFFT_BLOCK)
1.1 kristaps 914: return;
915:
1.202 kristaps 916: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 917:
918: switch (type) {
1.264 schwarze 919: case LIST_item:
920: case LIST_diag:
921: case LIST_inset:
1.314 schwarze 922: if (n->type == ROFFT_BODY)
1.130 schwarze 923: term_newln(p);
1.1 kristaps 924: break;
1.264 schwarze 925: case LIST_column:
1.314 schwarze 926: if (n->type == ROFFT_BODY)
1.1 kristaps 927: term_flushln(p);
928: break;
929: default:
1.130 schwarze 930: term_newln(p);
1.1 kristaps 931: break;
932: }
933:
1.264 schwarze 934: /*
1.109 kristaps 935: * Now that our output is flushed, we can reset our tags. Since
936: * only `It' sets these flags, we're free to assume that nobody
937: * has munged them in the meanwhile.
938: */
939:
1.360 schwarze 940: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 941: p->trailspace = 0;
1.1 kristaps 942: }
943:
944: static int
945: termp_nm_pre(DECL_ARGS)
946: {
1.296 schwarze 947: const char *cp;
1.1 kristaps 948:
1.314 schwarze 949: if (n->type == ROFFT_BLOCK) {
1.253 schwarze 950: p->flags |= TERMP_PREKEEP;
1.328 schwarze 951: return 1;
1.253 schwarze 952: }
1.164 schwarze 953:
1.314 schwarze 954: if (n->type == ROFFT_BODY) {
1.362 schwarze 955: if (n->child == NULL)
1.328 schwarze 956: return 0;
1.234 schwarze 957: p->flags |= TERMP_NOSPACE;
1.296 schwarze 958: cp = NULL;
959: if (n->prev->child != NULL)
960: cp = n->prev->child->string;
961: if (cp == NULL)
962: cp = meta->name;
963: if (cp == NULL)
1.362 schwarze 964: p->tcol->offset += term_len(p, 6);
1.296 schwarze 965: else
1.362 schwarze 966: p->tcol->offset += term_len(p, 1) +
967: term_strlen(p, cp);
1.328 schwarze 968: return 1;
1.164 schwarze 969: }
970:
1.343 schwarze 971: if (n->child == NULL)
1.328 schwarze 972: return 0;
1.125 kristaps 973:
1.314 schwarze 974: if (n->type == ROFFT_HEAD)
1.177 schwarze 975: synopsis_pre(p, n->parent);
1.102 kristaps 976:
1.314 schwarze 977: if (n->type == ROFFT_HEAD &&
1.362 schwarze 978: n->next != NULL && n->next->child != NULL) {
1.263 schwarze 979: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 980: p->trailspace = 1;
1.362 schwarze 981: p->tcol->rmargin = p->tcol->offset + term_len(p, 1);
982: if (n->child == NULL)
983: p->tcol->rmargin += term_strlen(p, meta->name);
984: else if (n->child->type == ROFFT_TEXT) {
985: p->tcol->rmargin += term_strlen(p, n->child->string);
986: if (n->child->next != NULL)
1.185 schwarze 987: p->flags |= TERMP_HANG;
988: } else {
1.362 schwarze 989: p->tcol->rmargin += term_len(p, 5);
1.185 schwarze 990: p->flags |= TERMP_HANG;
991: }
1.164 schwarze 992: }
993:
1.102 kristaps 994: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 995: return 1;
1.1 kristaps 996: }
997:
1.164 schwarze 998: static void
999: termp_nm_post(DECL_ARGS)
1000: {
1001:
1.314 schwarze 1002: if (n->type == ROFFT_BLOCK) {
1.253 schwarze 1003: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.314 schwarze 1004: } else if (n->type == ROFFT_HEAD &&
1.278 schwarze 1005: NULL != n->next && NULL != n->next->child) {
1.164 schwarze 1006: term_flushln(p);
1.263 schwarze 1007: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 1008: p->trailspace = 0;
1.314 schwarze 1009: } else if (n->type == ROFFT_BODY && n->child != NULL)
1.164 schwarze 1010: term_flushln(p);
1011: }
1012:
1.1 kristaps 1013: static int
1014: termp_fl_pre(DECL_ARGS)
1015: {
1016:
1.320 schwarze 1017: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1018: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1019: term_word(p, "\\-");
1.103 kristaps 1020:
1.331 schwarze 1021: if (!(n->child == NULL &&
1.280 schwarze 1022: (n->next == NULL ||
1.314 schwarze 1023: n->next->type == ROFFT_TEXT ||
1.338 schwarze 1024: n->next->flags & NODE_LINE)))
1.103 kristaps 1025: p->flags |= TERMP_NOSPACE;
1026:
1.328 schwarze 1027: return 1;
1.1 kristaps 1028: }
1029:
1030: static int
1.184 kristaps 1031: termp__a_pre(DECL_ARGS)
1032: {
1033:
1034: if (n->prev && MDOC__A == n->prev->tok)
1035: if (NULL == n->next || MDOC__A != n->next->tok)
1036: term_word(p, "and");
1037:
1.328 schwarze 1038: return 1;
1.184 kristaps 1039: }
1040:
1041: static int
1.61 kristaps 1042: termp_an_pre(DECL_ARGS)
1043: {
1044:
1.282 schwarze 1045: if (n->norm->An.auth == AUTH_split) {
1046: p->flags &= ~TERMP_NOSPLIT;
1047: p->flags |= TERMP_SPLIT;
1.328 schwarze 1048: return 0;
1.282 schwarze 1049: }
1050: if (n->norm->An.auth == AUTH_nosplit) {
1051: p->flags &= ~TERMP_SPLIT;
1052: p->flags |= TERMP_NOSPLIT;
1.328 schwarze 1053: return 0;
1.282 schwarze 1054: }
1.264 schwarze 1055:
1.282 schwarze 1056: if (p->flags & TERMP_SPLIT)
1.61 kristaps 1057: term_newln(p);
1058:
1.282 schwarze 1059: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1060: p->flags |= TERMP_SPLIT;
1.61 kristaps 1061:
1.328 schwarze 1062: return 1;
1.61 kristaps 1063: }
1064:
1065: static int
1.1 kristaps 1066: termp_ns_pre(DECL_ARGS)
1067: {
1068:
1.338 schwarze 1069: if ( ! (NODE_LINE & n->flags))
1.215 kristaps 1070: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1071: return 1;
1.1 kristaps 1072: }
1073:
1074: static int
1075: termp_rs_pre(DECL_ARGS)
1076: {
1077:
1.86 kristaps 1078: if (SEC_SEE_ALSO != n->sec)
1.328 schwarze 1079: return 1;
1.314 schwarze 1080: if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1 kristaps 1081: term_vspace(p);
1.328 schwarze 1082: return 1;
1.1 kristaps 1083: }
1084:
1085: static int
1086: termp_ex_pre(DECL_ARGS)
1087: {
1.224 kristaps 1088: term_newln(p);
1.341 schwarze 1089: return 1;
1.1 kristaps 1090: }
1091:
1092: static int
1093: termp_nd_pre(DECL_ARGS)
1094: {
1.25 kristaps 1095:
1.314 schwarze 1096: if (n->type == ROFFT_BODY)
1.297 schwarze 1097: term_word(p, "\\(en");
1.328 schwarze 1098: return 1;
1.115 kristaps 1099: }
1100:
1101: static int
1102: termp_bl_pre(DECL_ARGS)
1103: {
1104:
1.328 schwarze 1105: return n->type != ROFFT_HEAD;
1.1 kristaps 1106: }
1107:
1108: static void
1109: termp_bl_post(DECL_ARGS)
1110: {
1111:
1.356 schwarze 1112: if (n->type != ROFFT_BLOCK)
1113: return;
1114: term_newln(p);
1115: if (n->tok != MDOC_Bl || n->norm->Bl.type != LIST_column)
1116: return;
1117: term_tab_set(p, NULL);
1118: term_tab_set(p, "T");
1119: term_tab_set(p, ".5i");
1.1 kristaps 1120: }
1121:
1122: static int
1123: termp_xr_pre(DECL_ARGS)
1124: {
1125:
1.225 kristaps 1126: if (NULL == (n = n->child))
1.328 schwarze 1127: return 0;
1.113 kristaps 1128:
1.314 schwarze 1129: assert(n->type == ROFFT_TEXT);
1.225 kristaps 1130: term_word(p, n->string);
1.11 kristaps 1131:
1.264 schwarze 1132: if (NULL == (n = n->next))
1.328 schwarze 1133: return 0;
1.225 kristaps 1134:
1.1 kristaps 1135: p->flags |= TERMP_NOSPACE;
1136: term_word(p, "(");
1.222 kristaps 1137: p->flags |= TERMP_NOSPACE;
1.225 kristaps 1138:
1.314 schwarze 1139: assert(n->type == ROFFT_TEXT);
1.225 kristaps 1140: term_word(p, n->string);
1141:
1.222 kristaps 1142: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1143: term_word(p, ")");
1.86 kristaps 1144:
1.328 schwarze 1145: return 0;
1.1 kristaps 1146: }
1147:
1.143 kristaps 1148: /*
1149: * This decides how to assert whitespace before any of the SYNOPSIS set
1150: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1151: * macro combos).
1152: */
1153: static void
1.315 schwarze 1154: synopsis_pre(struct termp *p, const struct roff_node *n)
1.143 kristaps 1155: {
1.264 schwarze 1156: /*
1.143 kristaps 1157: * Obviously, if we're not in a SYNOPSIS or no prior macros
1158: * exist, do nothing.
1159: */
1.338 schwarze 1160: if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.143 kristaps 1161: return;
1162:
1163: /*
1164: * If we're the second in a pair of like elements, emit our
1165: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1166: * case we soldier on.
1167: */
1.264 schwarze 1168: if (n->prev->tok == n->tok &&
1169: MDOC_Ft != n->tok &&
1170: MDOC_Fo != n->tok &&
1171: MDOC_Fn != n->tok) {
1.143 kristaps 1172: term_newln(p);
1173: return;
1174: }
1175:
1176: /*
1177: * If we're one of the SYNOPSIS set and non-like pair-wise after
1178: * another (or Fn/Fo, which we've let slip through) then assert
1179: * vertical space, else only newline and move on.
1180: */
1181: switch (n->prev->tok) {
1.264 schwarze 1182: case MDOC_Fd:
1183: case MDOC_Fn:
1184: case MDOC_Fo:
1185: case MDOC_In:
1186: case MDOC_Vt:
1.143 kristaps 1187: term_vspace(p);
1188: break;
1.264 schwarze 1189: case MDOC_Ft:
1.143 kristaps 1190: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1191: term_vspace(p);
1192: break;
1193: }
1194: /* FALLTHROUGH */
1195: default:
1196: term_newln(p);
1197: break;
1198: }
1199: }
1200:
1.110 kristaps 1201: static int
1202: termp_vt_pre(DECL_ARGS)
1203: {
1204:
1.314 schwarze 1205: if (n->type == ROFFT_ELEM) {
1.143 kristaps 1206: synopsis_pre(p, n);
1.328 schwarze 1207: return termp_under_pre(p, pair, meta, n);
1.314 schwarze 1208: } else if (n->type == ROFFT_BLOCK) {
1.143 kristaps 1209: synopsis_pre(p, n);
1.328 schwarze 1210: return 1;
1.314 schwarze 1211: } else if (n->type == ROFFT_HEAD)
1.328 schwarze 1212: return 0;
1.110 kristaps 1213:
1.328 schwarze 1214: return termp_under_pre(p, pair, meta, n);
1.110 kristaps 1215: }
1216:
1.1 kristaps 1217: static int
1.69 kristaps 1218: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1219: {
1220:
1.320 schwarze 1221: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1222: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1223: return 1;
1.1 kristaps 1224: }
1225:
1.143 kristaps 1226: static int
1227: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1228: {
1229:
1.143 kristaps 1230: synopsis_pre(p, n);
1.328 schwarze 1231: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1232: }
1233:
1.241 schwarze 1234: static void
1235: termp_fd_post(DECL_ARGS)
1236: {
1237:
1238: term_newln(p);
1239: }
1240:
1.1 kristaps 1241: static int
1242: termp_sh_pre(DECL_ARGS)
1243: {
1.85 kristaps 1244:
1.86 kristaps 1245: switch (n->type) {
1.314 schwarze 1246: case ROFFT_BLOCK:
1.293 schwarze 1247: /*
1248: * Vertical space before sections, except
1249: * when the previous section was empty.
1250: */
1251: if (n->prev == NULL ||
1.322 schwarze 1252: n->prev->tok != MDOC_Sh ||
1.293 schwarze 1253: (n->prev->body != NULL &&
1254: n->prev->body->child != NULL))
1255: term_vspace(p);
1.65 kristaps 1256: break;
1.314 schwarze 1257: case ROFFT_HEAD:
1.102 kristaps 1258: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1259: break;
1.314 schwarze 1260: case ROFFT_BODY:
1.362 schwarze 1261: p->tcol->offset = term_len(p, p->defindent);
1.356 schwarze 1262: term_tab_set(p, NULL);
1263: term_tab_set(p, "T");
1264: term_tab_set(p, ".5i");
1.322 schwarze 1265: switch (n->sec) {
1266: case SEC_DESCRIPTION:
1267: fn_prio = 0;
1268: break;
1269: case SEC_AUTHORS:
1.239 schwarze 1270: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.322 schwarze 1271: break;
1272: default:
1273: break;
1274: }
1.1 kristaps 1275: break;
1276: default:
1277: break;
1278: }
1.328 schwarze 1279: return 1;
1.1 kristaps 1280: }
1281:
1282: static void
1283: termp_sh_post(DECL_ARGS)
1284: {
1285:
1.86 kristaps 1286: switch (n->type) {
1.314 schwarze 1287: case ROFFT_HEAD:
1.1 kristaps 1288: term_newln(p);
1289: break;
1.314 schwarze 1290: case ROFFT_BODY:
1.1 kristaps 1291: term_newln(p);
1.362 schwarze 1292: p->tcol->offset = 0;
1.1 kristaps 1293: break;
1294: default:
1295: break;
1296: }
1297: }
1298:
1299: static void
1300: termp_lb_post(DECL_ARGS)
1301: {
1302:
1.338 schwarze 1303: if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
1.81 kristaps 1304: term_newln(p);
1.1 kristaps 1305: }
1306:
1307: static int
1308: termp_d1_pre(DECL_ARGS)
1309: {
1310:
1.314 schwarze 1311: if (n->type != ROFFT_BLOCK)
1.328 schwarze 1312: return 1;
1.1 kristaps 1313: term_newln(p);
1.362 schwarze 1314: p->tcol->offset += term_len(p, p->defindent + 1);
1.356 schwarze 1315: term_tab_set(p, NULL);
1316: term_tab_set(p, "T");
1317: term_tab_set(p, ".5i");
1.328 schwarze 1318: return 1;
1.1 kristaps 1319: }
1320:
1321: static int
1322: termp_ft_pre(DECL_ARGS)
1323: {
1324:
1.338 schwarze 1325: /* NB: NODE_LINE does not effect this! */
1.143 kristaps 1326: synopsis_pre(p, n);
1.102 kristaps 1327: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 1328: return 1;
1.1 kristaps 1329: }
1330:
1331: static int
1332: termp_fn_pre(DECL_ARGS)
1333: {
1.257 schwarze 1334: size_t rmargin = 0;
1.226 kristaps 1335: int pretty;
1336:
1.338 schwarze 1337: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1338:
1.143 kristaps 1339: synopsis_pre(p, n);
1.139 kristaps 1340:
1.226 kristaps 1341: if (NULL == (n = n->child))
1.328 schwarze 1342: return 0;
1.226 kristaps 1343:
1.251 schwarze 1344: if (pretty) {
1.362 schwarze 1345: rmargin = p->tcol->rmargin;
1346: p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
1.263 schwarze 1347: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251 schwarze 1348: }
1349:
1.314 schwarze 1350: assert(n->type == ROFFT_TEXT);
1.102 kristaps 1351: term_fontpush(p, TERMFONT_BOLD);
1.226 kristaps 1352: term_word(p, n->string);
1.102 kristaps 1353: term_fontpop(p);
1.1 kristaps 1354:
1.336 schwarze 1355: if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.324 schwarze 1356: tag_put(n->string, ++fn_prio, p->line);
1.322 schwarze 1357:
1.251 schwarze 1358: if (pretty) {
1359: term_flushln(p);
1.263 schwarze 1360: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.360 schwarze 1361: p->flags |= TERMP_NOPAD;
1.362 schwarze 1362: p->tcol->offset = p->tcol->rmargin;
1363: p->tcol->rmargin = rmargin;
1.251 schwarze 1364: }
1365:
1.1 kristaps 1366: p->flags |= TERMP_NOSPACE;
1367: term_word(p, "(");
1.222 kristaps 1368: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1369:
1.226 kristaps 1370: for (n = n->next; n; n = n->next) {
1.314 schwarze 1371: assert(n->type == ROFFT_TEXT);
1.102 kristaps 1372: term_fontpush(p, TERMFONT_UNDER);
1.255 schwarze 1373: if (pretty)
1374: p->flags |= TERMP_NBRWORD;
1.226 kristaps 1375: term_word(p, n->string);
1.102 kristaps 1376: term_fontpop(p);
1377:
1.226 kristaps 1378: if (n->next) {
1.222 kristaps 1379: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1380: term_word(p, ",");
1.222 kristaps 1381: }
1.1 kristaps 1382: }
1383:
1.222 kristaps 1384: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1385: term_word(p, ")");
1386:
1.226 kristaps 1387: if (pretty) {
1.222 kristaps 1388: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1389: term_word(p, ";");
1.251 schwarze 1390: term_flushln(p);
1.222 kristaps 1391: }
1.1 kristaps 1392:
1.328 schwarze 1393: return 0;
1.1 kristaps 1394: }
1395:
1396: static int
1397: termp_fa_pre(DECL_ARGS)
1398: {
1.315 schwarze 1399: const struct roff_node *nn;
1.1 kristaps 1400:
1.86 kristaps 1401: if (n->parent->tok != MDOC_Fo) {
1.102 kristaps 1402: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 1403: return 1;
1.1 kristaps 1404: }
1405:
1.86 kristaps 1406: for (nn = n->child; nn; 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);
1411:
1.256 schwarze 1412: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222 kristaps 1413: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1414: term_word(p, ",");
1.222 kristaps 1415: }
1.1 kristaps 1416: }
1417:
1.328 schwarze 1418: return 0;
1.1 kristaps 1419: }
1420:
1421: static int
1422: termp_bd_pre(DECL_ARGS)
1423: {
1.361 schwarze 1424: size_t lm, len;
1.315 schwarze 1425: struct roff_node *nn;
1.302 schwarze 1426: int offset;
1.1 kristaps 1427:
1.314 schwarze 1428: if (n->type == ROFFT_BLOCK) {
1.151 kristaps 1429: print_bvspace(p, n, n);
1.328 schwarze 1430: return 1;
1.314 schwarze 1431: } else if (n->type == ROFFT_HEAD)
1.328 schwarze 1432: return 0;
1.1 kristaps 1433:
1.288 schwarze 1434: /* Handle the -offset argument. */
1435:
1436: if (n->norm->Bd.offs == NULL ||
1437: ! strcmp(n->norm->Bd.offs, "left"))
1438: /* nothing */;
1439: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1.362 schwarze 1440: p->tcol->offset += term_len(p, p->defindent + 1);
1.288 schwarze 1441: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1.362 schwarze 1442: p->tcol->offset += term_len(p, (p->defindent + 1) * 2);
1.302 schwarze 1443: else {
1444: offset = a2width(p, n->norm->Bd.offs);
1.362 schwarze 1445: if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
1446: p->tcol->offset = 0;
1.302 schwarze 1447: else if (offset < SHRT_MAX)
1.362 schwarze 1448: p->tcol->offset += offset;
1.302 schwarze 1449: }
1.85 kristaps 1450:
1451: /*
1452: * If -ragged or -filled are specified, the block does nothing
1453: * but change the indentation. If -unfilled or -literal are
1454: * specified, text is printed exactly as entered in the display:
1455: * for macro lines, a newline is appended to the line. Blank
1456: * lines are allowed.
1457: */
1.264 schwarze 1458:
1.362 schwarze 1459: if (n->norm->Bd.type != DISP_literal &&
1460: n->norm->Bd.type != DISP_unfilled &&
1461: n->norm->Bd.type != DISP_centered)
1.328 schwarze 1462: return 1;
1.1 kristaps 1463:
1.356 schwarze 1464: if (n->norm->Bd.type == DISP_literal) {
1465: term_tab_set(p, NULL);
1466: term_tab_set(p, "T");
1467: term_tab_set(p, "8n");
1468: }
1.208 kristaps 1469:
1.362 schwarze 1470: lm = p->tcol->offset;
1.361 schwarze 1471: p->flags |= TERMP_BRNEVER;
1.362 schwarze 1472: for (nn = n->child; nn != NULL; nn = nn->next) {
1473: if (n->norm->Bd.type == DISP_centered) {
1.314 schwarze 1474: if (nn->type == ROFFT_TEXT) {
1.272 schwarze 1475: len = term_strlen(p, nn->string);
1.362 schwarze 1476: p->tcol->offset = len >= p->tcol->rmargin ?
1477: 0 : lm + len >= p->tcol->rmargin ?
1478: p->tcol->rmargin - len :
1479: (lm + p->tcol->rmargin - len) / 2;
1.272 schwarze 1480: } else
1.362 schwarze 1481: p->tcol->offset = lm;
1.272 schwarze 1482: }
1.245 schwarze 1483: print_mdoc_node(p, pair, meta, nn);
1.190 kristaps 1484: /*
1485: * If the printed node flushes its own line, then we
1486: * needn't do it here as well. This is hacky, but the
1487: * notion of selective eoln whitespace is pretty dumb
1488: * anyway, so don't sweat it.
1489: */
1.356 schwarze 1490: if (nn->tok < ROFF_MAX)
1491: continue;
1.190 kristaps 1492: switch (nn->tok) {
1.264 schwarze 1493: case MDOC_Sm:
1494: case MDOC_Bl:
1495: case MDOC_D1:
1496: case MDOC_Dl:
1497: case MDOC_Pp:
1.190 kristaps 1498: continue;
1499: default:
1500: break;
1501: }
1.299 schwarze 1502: if (p->flags & TERMP_NONEWLINE ||
1.338 schwarze 1503: (nn->next && ! (nn->next->flags & NODE_LINE)))
1.180 schwarze 1504: continue;
1505: term_flushln(p);
1506: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1507: }
1.361 schwarze 1508: p->flags &= ~TERMP_BRNEVER;
1.328 schwarze 1509: return 0;
1.1 kristaps 1510: }
1511:
1512: static void
1513: termp_bd_post(DECL_ARGS)
1514: {
1.314 schwarze 1515: if (n->type != ROFFT_BODY)
1.1 kristaps 1516: return;
1.264 schwarze 1517: if (DISP_literal == n->norm->Bd.type ||
1518: DISP_unfilled == n->norm->Bd.type)
1.361 schwarze 1519: p->flags |= TERMP_BRNEVER;
1.60 kristaps 1520: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1521: term_newln(p);
1.361 schwarze 1522: p->flags &= ~TERMP_BRNEVER;
1.1 kristaps 1523: }
1524:
1525: static int
1.26 kristaps 1526: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1527: {
1.339 schwarze 1528: if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
1529: p->flags |= TERMP_PREKEEP;
1530: return 1;
1531: }
1.1 kristaps 1532:
1.339 schwarze 1533: static void
1534: termp_xx_post(DECL_ARGS)
1535: {
1536: if (n->aux == 0)
1537: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1 kristaps 1538: }
1539:
1540: static void
1541: termp_pf_post(DECL_ARGS)
1542: {
1543:
1.338 schwarze 1544: if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.298 schwarze 1545: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1546: }
1547:
1548: static int
1549: termp_ss_pre(DECL_ARGS)
1550: {
1.337 schwarze 1551: struct roff_node *nn;
1.1 kristaps 1552:
1.86 kristaps 1553: switch (n->type) {
1.314 schwarze 1554: case ROFFT_BLOCK:
1.1 kristaps 1555: term_newln(p);
1.337 schwarze 1556: for (nn = n->prev; nn != NULL; nn = nn->prev)
1.367 schwarze 1557: if (nn->type != ROFFT_COMMENT &&
1558: (nn->flags & NODE_NOPRT) == 0)
1.337 schwarze 1559: break;
1560: if (nn != NULL)
1.1 kristaps 1561: term_vspace(p);
1562: break;
1.314 schwarze 1563: case ROFFT_HEAD:
1.102 kristaps 1564: term_fontpush(p, TERMFONT_BOLD);
1.362 schwarze 1565: p->tcol->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1566: break;
1.314 schwarze 1567: case ROFFT_BODY:
1.362 schwarze 1568: p->tcol->offset = term_len(p, p->defindent);
1.356 schwarze 1569: term_tab_set(p, NULL);
1570: term_tab_set(p, "T");
1571: term_tab_set(p, ".5i");
1.274 schwarze 1572: break;
1.1 kristaps 1573: default:
1574: break;
1575: }
1576:
1.328 schwarze 1577: return 1;
1.1 kristaps 1578: }
1579:
1580: static void
1581: termp_ss_post(DECL_ARGS)
1582: {
1583:
1.314 schwarze 1584: if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1 kristaps 1585: term_newln(p);
1586: }
1587:
1588: static int
1589: termp_cd_pre(DECL_ARGS)
1590: {
1591:
1.143 kristaps 1592: synopsis_pre(p, n);
1.102 kristaps 1593: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1594: return 1;
1.1 kristaps 1595: }
1596:
1597: static int
1598: termp_in_pre(DECL_ARGS)
1599: {
1.142 schwarze 1600:
1.143 kristaps 1601: synopsis_pre(p, n);
1.1 kristaps 1602:
1.338 schwarze 1603: if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
1.138 kristaps 1604: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1605: term_word(p, "#include");
1.138 kristaps 1606: term_word(p, "<");
1607: } else {
1608: term_word(p, "<");
1609: term_fontpush(p, TERMFONT_UNDER);
1610: }
1.22 kristaps 1611:
1.1 kristaps 1612: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1613: return 1;
1.1 kristaps 1614: }
1615:
1616: static void
1617: termp_in_post(DECL_ARGS)
1618: {
1619:
1.338 schwarze 1620: if (NODE_SYNPRETTY & n->flags)
1.138 kristaps 1621: term_fontpush(p, TERMFONT_BOLD);
1622:
1.79 kristaps 1623: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1624: term_word(p, ">");
1625:
1.338 schwarze 1626: if (NODE_SYNPRETTY & n->flags)
1.138 kristaps 1627: term_fontpop(p);
1.1 kristaps 1628: }
1629:
1630: static int
1.355 schwarze 1631: termp_pp_pre(DECL_ARGS)
1.45 kristaps 1632: {
1.355 schwarze 1633: fn_prio = 0;
1634: term_vspace(p);
1.328 schwarze 1635: return 0;
1.45 kristaps 1636: }
1637:
1638: static int
1.294 schwarze 1639: termp_skip_pre(DECL_ARGS)
1.268 schwarze 1640: {
1641:
1.328 schwarze 1642: return 0;
1.268 schwarze 1643: }
1644:
1645: static int
1.188 kristaps 1646: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1647: {
1648:
1.314 schwarze 1649: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.328 schwarze 1650: return 1;
1.1 kristaps 1651:
1.188 kristaps 1652: switch (n->tok) {
1.264 schwarze 1653: case MDOC_Ao:
1654: case MDOC_Aq:
1.331 schwarze 1655: term_word(p, n->child != NULL && n->child->next == NULL &&
1.303 schwarze 1656: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.188 kristaps 1657: break;
1.264 schwarze 1658: case MDOC_Bro:
1659: case MDOC_Brq:
1.188 kristaps 1660: term_word(p, "{");
1661: break;
1.264 schwarze 1662: case MDOC_Oo:
1663: case MDOC_Op:
1664: case MDOC_Bo:
1665: case MDOC_Bq:
1.188 kristaps 1666: term_word(p, "[");
1667: break;
1.346 schwarze 1668: case MDOC__T:
1669: /* FALLTHROUGH */
1.264 schwarze 1670: case MDOC_Do:
1671: case MDOC_Dq:
1.366 schwarze 1672: term_word(p, "\\(lq");
1.188 kristaps 1673: break;
1.268 schwarze 1674: case MDOC_En:
1675: if (NULL == n->norm->Es ||
1676: NULL == n->norm->Es->child)
1.328 schwarze 1677: return 1;
1.268 schwarze 1678: term_word(p, n->norm->Es->child->string);
1679: break;
1.264 schwarze 1680: case MDOC_Po:
1681: case MDOC_Pq:
1.188 kristaps 1682: term_word(p, "(");
1683: break;
1.264 schwarze 1684: case MDOC_Qo:
1685: case MDOC_Qq:
1.188 kristaps 1686: term_word(p, "\"");
1687: break;
1.264 schwarze 1688: case MDOC_Ql:
1689: case MDOC_So:
1690: case MDOC_Sq:
1.249 schwarze 1691: term_word(p, "\\(oq");
1.188 kristaps 1692: break;
1693: default:
1694: abort();
1695: }
1.1 kristaps 1696:
1697: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1698: return 1;
1.1 kristaps 1699: }
1700:
1701: static void
1.188 kristaps 1702: termp_quote_post(DECL_ARGS)
1.1 kristaps 1703: {
1704:
1.314 schwarze 1705: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1 kristaps 1706: return;
1707:
1.306 schwarze 1708: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1709:
1.188 kristaps 1710: switch (n->tok) {
1.264 schwarze 1711: case MDOC_Ao:
1712: case MDOC_Aq:
1.331 schwarze 1713: term_word(p, n->child != NULL && n->child->next == NULL &&
1.303 schwarze 1714: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.188 kristaps 1715: break;
1.264 schwarze 1716: case MDOC_Bro:
1717: case MDOC_Brq:
1.188 kristaps 1718: term_word(p, "}");
1719: break;
1.264 schwarze 1720: case MDOC_Oo:
1721: case MDOC_Op:
1722: case MDOC_Bo:
1723: case MDOC_Bq:
1.188 kristaps 1724: term_word(p, "]");
1725: break;
1.346 schwarze 1726: case MDOC__T:
1727: /* FALLTHROUGH */
1.264 schwarze 1728: case MDOC_Do:
1729: case MDOC_Dq:
1.366 schwarze 1730: term_word(p, "\\(rq");
1.268 schwarze 1731: break;
1732: case MDOC_En:
1.306 schwarze 1733: if (n->norm->Es == NULL ||
1734: n->norm->Es->child == NULL ||
1735: n->norm->Es->child->next == NULL)
1736: p->flags &= ~TERMP_NOSPACE;
1737: else
1.268 schwarze 1738: term_word(p, n->norm->Es->child->next->string);
1.188 kristaps 1739: break;
1.264 schwarze 1740: case MDOC_Po:
1741: case MDOC_Pq:
1.188 kristaps 1742: term_word(p, ")");
1743: break;
1.264 schwarze 1744: case MDOC_Qo:
1745: case MDOC_Qq:
1.188 kristaps 1746: term_word(p, "\"");
1747: break;
1.264 schwarze 1748: case MDOC_Ql:
1749: case MDOC_So:
1750: case MDOC_Sq:
1.249 schwarze 1751: term_word(p, "\\(cq");
1.188 kristaps 1752: break;
1753: default:
1754: abort();
1755: }
1.306 schwarze 1756: }
1757:
1758: static int
1759: termp_eo_pre(DECL_ARGS)
1760: {
1761:
1.314 schwarze 1762: if (n->type != ROFFT_BODY)
1.328 schwarze 1763: return 1;
1.306 schwarze 1764:
1765: if (n->end == ENDBODY_NOT &&
1766: n->parent->head->child == NULL &&
1767: n->child != NULL &&
1768: n->child->end != ENDBODY_NOT)
1769: term_word(p, "\\&");
1770: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.309 schwarze 1771: n->parent->head->child != NULL && (n->child != NULL ||
1772: (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.306 schwarze 1773: p->flags |= TERMP_NOSPACE;
1774:
1.328 schwarze 1775: return 1;
1.306 schwarze 1776: }
1777:
1778: static void
1779: termp_eo_post(DECL_ARGS)
1780: {
1781: int body, tail;
1782:
1.314 schwarze 1783: if (n->type != ROFFT_BODY)
1.306 schwarze 1784: return;
1785:
1786: if (n->end != ENDBODY_NOT) {
1787: p->flags &= ~TERMP_NOSPACE;
1788: return;
1789: }
1790:
1791: body = n->child != NULL || n->parent->head->child != NULL;
1792: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1793:
1794: if (body && tail)
1795: p->flags |= TERMP_NOSPACE;
1796: else if ( ! (body || tail))
1797: term_word(p, "\\&");
1798: else if ( ! tail)
1799: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1800: }
1801:
1802: static int
1803: termp_fo_pre(DECL_ARGS)
1804: {
1.257 schwarze 1805: size_t rmargin = 0;
1.256 schwarze 1806: int pretty;
1807:
1.338 schwarze 1808: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1809:
1.314 schwarze 1810: if (n->type == ROFFT_BLOCK) {
1.143 kristaps 1811: synopsis_pre(p, n);
1.328 schwarze 1812: return 1;
1.314 schwarze 1813: } else if (n->type == ROFFT_BODY) {
1.256 schwarze 1814: if (pretty) {
1.362 schwarze 1815: rmargin = p->tcol->rmargin;
1816: p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
1.263 schwarze 1817: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1818: TERMP_HANG;
1.256 schwarze 1819: }
1.33 kristaps 1820: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1821: term_word(p, "(");
1.222 kristaps 1822: p->flags |= TERMP_NOSPACE;
1.256 schwarze 1823: if (pretty) {
1824: term_flushln(p);
1.263 schwarze 1825: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1826: TERMP_HANG);
1.360 schwarze 1827: p->flags |= TERMP_NOPAD;
1.362 schwarze 1828: p->tcol->offset = p->tcol->rmargin;
1829: p->tcol->rmargin = rmargin;
1.256 schwarze 1830: }
1.328 schwarze 1831: return 1;
1.256 schwarze 1832: }
1.141 kristaps 1833:
1.169 kristaps 1834: if (NULL == n->child)
1.328 schwarze 1835: return 0;
1.169 kristaps 1836:
1.141 kristaps 1837: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 1838:
1.141 kristaps 1839: assert(n->child->string);
1.102 kristaps 1840: term_fontpush(p, TERMFONT_BOLD);
1.141 kristaps 1841: term_word(p, n->child->string);
1.328 schwarze 1842: return 0;
1.1 kristaps 1843: }
1844:
1845: static void
1846: termp_fo_post(DECL_ARGS)
1847: {
1848:
1.314 schwarze 1849: if (n->type != ROFFT_BODY)
1.143 kristaps 1850: return;
1851:
1.222 kristaps 1852: p->flags |= TERMP_NOSPACE;
1.143 kristaps 1853: term_word(p, ")");
1854:
1.338 schwarze 1855: if (NODE_SYNPRETTY & n->flags) {
1.222 kristaps 1856: p->flags |= TERMP_NOSPACE;
1.143 kristaps 1857: term_word(p, ";");
1.256 schwarze 1858: term_flushln(p);
1.222 kristaps 1859: }
1.1 kristaps 1860: }
1861:
1862: static int
1863: termp_bf_pre(DECL_ARGS)
1864: {
1865:
1.314 schwarze 1866: if (n->type == ROFFT_HEAD)
1.328 schwarze 1867: return 0;
1.314 schwarze 1868: else if (n->type != ROFFT_BODY)
1.328 schwarze 1869: return 1;
1.1 kristaps 1870:
1.264 schwarze 1871: if (FONT_Em == n->norm->Bf.font)
1.102 kristaps 1872: term_fontpush(p, TERMFONT_UNDER);
1.264 schwarze 1873: else if (FONT_Sy == n->norm->Bf.font)
1.102 kristaps 1874: term_fontpush(p, TERMFONT_BOLD);
1.264 schwarze 1875: else
1.102 kristaps 1876: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 1877:
1.328 schwarze 1878: return 1;
1.1 kristaps 1879: }
1880:
1881: static int
1882: termp_sm_pre(DECL_ARGS)
1883: {
1884:
1.269 schwarze 1885: if (NULL == n->child)
1886: p->flags ^= TERMP_NONOSPACE;
1887: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 1888: p->flags &= ~TERMP_NONOSPACE;
1.269 schwarze 1889: else
1.1 kristaps 1890: p->flags |= TERMP_NONOSPACE;
1.269 schwarze 1891:
1892: if (p->col && ! (TERMP_NONOSPACE & p->flags))
1893: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1894:
1.328 schwarze 1895: return 0;
1.1 kristaps 1896: }
1897:
1898: static int
1899: termp_ap_pre(DECL_ARGS)
1900: {
1901:
1902: p->flags |= TERMP_NOSPACE;
1.188 kristaps 1903: term_word(p, "'");
1.1 kristaps 1904: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1905: return 1;
1.1 kristaps 1906: }
1907:
1908: static void
1909: termp____post(DECL_ARGS)
1910: {
1.184 kristaps 1911:
1912: /*
1913: * Handle lists of authors. In general, print each followed by
1914: * a comma. Don't print the comma if there are only two
1915: * authors.
1916: */
1917: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
1918: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
1919: if (NULL == n->prev || MDOC__A != n->prev->tok)
1920: return;
1.1 kristaps 1921:
1.95 kristaps 1922: /* TODO: %U. */
1923:
1.187 kristaps 1924: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
1925: return;
1926:
1.222 kristaps 1927: p->flags |= TERMP_NOSPACE;
1.186 kristaps 1928: if (NULL == n->next) {
1929: term_word(p, ".");
1930: p->flags |= TERMP_SENTENCE;
1931: } else
1932: term_word(p, ",");
1.1 kristaps 1933: }
1934:
1935: static int
1.102 kristaps 1936: termp_li_pre(DECL_ARGS)
1937: {
1938:
1.335 schwarze 1939: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1940: term_fontpush(p, TERMFONT_NONE);
1.328 schwarze 1941: return 1;
1.102 kristaps 1942: }
1943:
1944: static int
1.1 kristaps 1945: termp_lk_pre(DECL_ARGS)
1946: {
1.358 schwarze 1947: const struct roff_node *link, *descr, *punct;
1.1 kristaps 1948:
1.349 schwarze 1949: if ((link = n->child) == NULL)
1.328 schwarze 1950: return 0;
1.181 kristaps 1951:
1.358 schwarze 1952: /* Find beginning of trailing punctuation. */
1953: punct = n->last;
1954: while (punct != link && punct->flags & NODE_DELIMC)
1955: punct = punct->prev;
1956: punct = punct->next;
1957:
1.349 schwarze 1958: /* Link text. */
1.358 schwarze 1959: if ((descr = link->next) != NULL && descr != punct) {
1.240 schwarze 1960: term_fontpush(p, TERMFONT_UNDER);
1.358 schwarze 1961: while (descr != punct) {
1962: if (descr->flags & (NODE_DELIMC | NODE_DELIMO))
1963: p->flags |= TERMP_NOSPACE;
1.240 schwarze 1964: term_word(p, descr->string);
1965: descr = descr->next;
1966: }
1.347 schwarze 1967: term_fontpop(p);
1.240 schwarze 1968: p->flags |= TERMP_NOSPACE;
1969: term_word(p, ":");
1970: }
1.1 kristaps 1971:
1.349 schwarze 1972: /* Link target. */
1.102 kristaps 1973: term_fontpush(p, TERMFONT_BOLD);
1.240 schwarze 1974: term_word(p, link->string);
1.102 kristaps 1975: term_fontpop(p);
1.348 schwarze 1976:
1.349 schwarze 1977: /* Trailing punctuation. */
1.358 schwarze 1978: while (punct != NULL) {
1.349 schwarze 1979: p->flags |= TERMP_NOSPACE;
1.358 schwarze 1980: term_word(p, punct->string);
1981: punct = punct->next;
1.349 schwarze 1982: }
1.328 schwarze 1983: return 0;
1.1 kristaps 1984: }
1985:
1.159 schwarze 1986: static int
1987: termp_bk_pre(DECL_ARGS)
1988: {
1989:
1.161 schwarze 1990: switch (n->type) {
1.314 schwarze 1991: case ROFFT_BLOCK:
1.166 kristaps 1992: break;
1.314 schwarze 1993: case ROFFT_HEAD:
1.328 schwarze 1994: return 0;
1.314 schwarze 1995: case ROFFT_BODY:
1.331 schwarze 1996: if (n->parent->args != NULL || n->prev->child == NULL)
1.200 schwarze 1997: p->flags |= TERMP_PREKEEP;
1.166 kristaps 1998: break;
1.161 schwarze 1999: default:
2000: abort();
2001: }
1.166 kristaps 2002:
1.328 schwarze 2003: return 1;
1.159 schwarze 2004: }
2005:
2006: static void
2007: termp_bk_post(DECL_ARGS)
2008: {
2009:
1.314 schwarze 2010: if (n->type == ROFFT_BODY)
1.161 schwarze 2011: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203 kristaps 2012: }
2013:
2014: static void
2015: termp__t_post(DECL_ARGS)
2016: {
2017:
2018: /*
2019: * If we're in an `Rs' and there's a journal present, then quote
2020: * us instead of underlining us (for disambiguation).
2021: */
1.217 schwarze 2022: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2023: n->parent->norm->Rs.quote_T)
1.245 schwarze 2024: termp_quote_post(p, pair, meta, n);
1.203 kristaps 2025:
1.245 schwarze 2026: termp____post(p, pair, meta, n);
1.203 kristaps 2027: }
2028:
2029: static int
2030: termp__t_pre(DECL_ARGS)
2031: {
2032:
2033: /*
2034: * If we're in an `Rs' and there's a journal present, then quote
2035: * us instead of underlining us (for disambiguation).
2036: */
2037: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2038: n->parent->norm->Rs.quote_T)
1.328 schwarze 2039: return termp_quote_pre(p, pair, meta, n);
1.203 kristaps 2040:
2041: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 2042: return 1;
1.159 schwarze 2043: }
1.1 kristaps 2044:
2045: static int
1.69 kristaps 2046: termp_under_pre(DECL_ARGS)
1.1 kristaps 2047: {
2048:
1.102 kristaps 2049: term_fontpush(p, TERMFONT_UNDER);
1.334 schwarze 2050: return 1;
2051: }
2052:
2053: static int
2054: termp_em_pre(DECL_ARGS)
2055: {
2056: if (n->child != NULL &&
2057: n->child->type == ROFFT_TEXT)
2058: tag_put(n->child->string, 0, p->line);
2059: term_fontpush(p, TERMFONT_UNDER);
2060: return 1;
2061: }
2062:
2063: static int
2064: termp_sy_pre(DECL_ARGS)
2065: {
2066: if (n->child != NULL &&
2067: n->child->type == ROFFT_TEXT)
2068: tag_put(n->child->string, 0, p->line);
2069: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 2070: return 1;
1.323 schwarze 2071: }
2072:
2073: static int
2074: termp_er_pre(DECL_ARGS)
2075: {
2076:
2077: if (n->sec == SEC_ERRORS &&
2078: (n->parent->tok == MDOC_It ||
2079: (n->parent->tok == MDOC_Bq &&
1.324 schwarze 2080: n->parent->parent->parent->tok == MDOC_It)))
2081: tag_put(n->child->string, 1, p->line);
1.328 schwarze 2082: return 1;
1.320 schwarze 2083: }
2084:
2085: static int
2086: termp_tag_pre(DECL_ARGS)
2087: {
2088:
2089: if (n->child != NULL &&
2090: n->child->type == ROFFT_TEXT &&
1.333 schwarze 2091: (n->prev == NULL ||
2092: (n->prev->type == ROFFT_TEXT &&
2093: strcmp(n->prev->string, "|") == 0)) &&
1.320 schwarze 2094: (n->parent->tok == MDOC_It ||
2095: (n->parent->tok == MDOC_Xo &&
2096: n->parent->parent->prev == NULL &&
1.324 schwarze 2097: n->parent->parent->parent->tok == MDOC_It)))
2098: tag_put(n->child->string, 1, p->line);
1.328 schwarze 2099: return 1;
1.369 ! schwarze 2100: }
! 2101:
! 2102: static int
! 2103: termp_abort_pre(DECL_ARGS)
! 2104: {
! 2105: abort();
1.84 kristaps 2106: }
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