Annotation of mandoc/mdoc_term.c, Revision 1.362
1.362 ! schwarze 1: /* $Id: mdoc_term.c,v 1.361 2017/06/04 22:44:15 schwarze Exp $ */
1.1 kristaps 2: /*
1.217 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.339 schwarze 4: * Copyright (c) 2010, 2012-2017 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:
50: struct termact {
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);
1.61 kristaps 87: static int termp_an_pre(DECL_ARGS);
1.31 kristaps 88: static int termp_ap_pre(DECL_ARGS);
89: static int termp_bd_pre(DECL_ARGS);
90: static int termp_bf_pre(DECL_ARGS);
1.159 schwarze 91: static int termp_bk_pre(DECL_ARGS);
1.115 kristaps 92: static int termp_bl_pre(DECL_ARGS);
1.69 kristaps 93: static int termp_bold_pre(DECL_ARGS);
1.31 kristaps 94: static int termp_cd_pre(DECL_ARGS);
95: static int termp_d1_pre(DECL_ARGS);
1.306 schwarze 96: static int termp_eo_pre(DECL_ARGS);
1.334 schwarze 97: static int termp_em_pre(DECL_ARGS);
1.323 schwarze 98: static int termp_er_pre(DECL_ARGS);
1.31 kristaps 99: static int termp_ex_pre(DECL_ARGS);
100: static int termp_fa_pre(DECL_ARGS);
1.188 kristaps 101: static int termp_fd_pre(DECL_ARGS);
1.31 kristaps 102: static int termp_fl_pre(DECL_ARGS);
103: static int termp_fn_pre(DECL_ARGS);
104: static int termp_fo_pre(DECL_ARGS);
105: static int termp_ft_pre(DECL_ARGS);
106: static int termp_in_pre(DECL_ARGS);
107: static int termp_it_pre(DECL_ARGS);
1.102 kristaps 108: static int termp_li_pre(DECL_ARGS);
1.31 kristaps 109: static int termp_lk_pre(DECL_ARGS);
110: static int termp_nd_pre(DECL_ARGS);
111: static int termp_nm_pre(DECL_ARGS);
112: static int termp_ns_pre(DECL_ARGS);
1.188 kristaps 113: static int termp_quote_pre(DECL_ARGS);
1.31 kristaps 114: static int termp_rs_pre(DECL_ARGS);
115: static int termp_sh_pre(DECL_ARGS);
1.294 schwarze 116: static int termp_skip_pre(DECL_ARGS);
1.31 kristaps 117: static int termp_sm_pre(DECL_ARGS);
1.355 schwarze 118: static int termp_pp_pre(DECL_ARGS);
1.31 kristaps 119: static int termp_ss_pre(DECL_ARGS);
1.334 schwarze 120: static int termp_sy_pre(DECL_ARGS);
1.320 schwarze 121: static int termp_tag_pre(DECL_ARGS);
1.69 kristaps 122: static int termp_under_pre(DECL_ARGS);
1.110 kristaps 123: static int termp_vt_pre(DECL_ARGS);
1.31 kristaps 124: static int termp_xr_pre(DECL_ARGS);
125: static int termp_xx_pre(DECL_ARGS);
126:
1.350 schwarze 127: static const struct termact __termacts[MDOC_MAX - MDOC_Dd] = {
1.1 kristaps 128: { NULL, NULL }, /* Dd */
129: { NULL, NULL }, /* Dt */
130: { NULL, NULL }, /* Os */
131: { termp_sh_pre, termp_sh_post }, /* Sh */
1.264 schwarze 132: { termp_ss_pre, termp_ss_post }, /* Ss */
1.355 schwarze 133: { termp_pp_pre, NULL }, /* Pp */
1.241 schwarze 134: { termp_d1_pre, termp_bl_post }, /* D1 */
135: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 136: { termp_bd_pre, termp_bd_post }, /* Bd */
137: { NULL, NULL }, /* Ed */
1.115 kristaps 138: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 139: { NULL, NULL }, /* El */
140: { termp_it_pre, termp_it_post }, /* It */
1.264 schwarze 141: { termp_under_pre, NULL }, /* Ad */
1.282 schwarze 142: { termp_an_pre, NULL }, /* An */
1.350 schwarze 143: { termp_ap_pre, NULL }, /* Ap */
1.69 kristaps 144: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 145: { termp_cd_pre, NULL }, /* Cd */
1.69 kristaps 146: { termp_bold_pre, NULL }, /* Cm */
1.325 schwarze 147: { termp_li_pre, NULL }, /* Dv */
1.323 schwarze 148: { termp_er_pre, NULL }, /* Er */
1.320 schwarze 149: { termp_tag_pre, NULL }, /* Ev */
1.1 kristaps 150: { termp_ex_pre, NULL }, /* Ex */
1.264 schwarze 151: { termp_fa_pre, NULL }, /* Fa */
152: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 153: { termp_fl_pre, NULL }, /* Fl */
1.264 schwarze 154: { termp_fn_pre, NULL }, /* Fn */
155: { termp_ft_pre, NULL }, /* Ft */
156: { termp_bold_pre, NULL }, /* Ic */
157: { termp_in_pre, termp_in_post }, /* In */
1.102 kristaps 158: { termp_li_pre, NULL }, /* Li */
1.264 schwarze 159: { termp_nd_pre, NULL }, /* Nd */
160: { termp_nm_pre, termp_nm_post }, /* Nm */
1.188 kristaps 161: { termp_quote_pre, termp_quote_post }, /* Op */
1.268 schwarze 162: { termp_ft_pre, NULL }, /* Ot */
1.69 kristaps 163: { termp_under_pre, NULL }, /* Pa */
1.341 schwarze 164: { termp_ex_pre, NULL }, /* Rv */
1.264 schwarze 165: { NULL, NULL }, /* St */
1.69 kristaps 166: { termp_under_pre, NULL }, /* Va */
1.143 kristaps 167: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 168: { termp_xr_pre, NULL }, /* Xr */
1.184 kristaps 169: { termp__a_pre, termp____post }, /* %A */
1.84 kristaps 170: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 171: { NULL, termp____post }, /* %D */
1.84 kristaps 172: { termp_under_pre, termp____post }, /* %I */
1.69 kristaps 173: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 174: { NULL, termp____post }, /* %N */
175: { NULL, termp____post }, /* %O */
176: { NULL, termp____post }, /* %P */
177: { NULL, termp____post }, /* %R */
1.203 kristaps 178: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 179: { NULL, termp____post }, /* %V */
180: { NULL, NULL }, /* Ac */
1.188 kristaps 181: { termp_quote_pre, termp_quote_post }, /* Ao */
182: { termp_quote_pre, termp_quote_post }, /* Aq */
1.35 kristaps 183: { NULL, NULL }, /* At */
1.1 kristaps 184: { NULL, NULL }, /* Bc */
1.264 schwarze 185: { termp_bf_pre, NULL }, /* Bf */
1.188 kristaps 186: { termp_quote_pre, termp_quote_post }, /* Bo */
187: { termp_quote_pre, termp_quote_post }, /* Bq */
1.339 schwarze 188: { termp_xx_pre, termp_xx_post }, /* Bsx */
1.340 schwarze 189: { NULL, NULL }, /* Bx */
1.294 schwarze 190: { termp_skip_pre, NULL }, /* Db */
1.1 kristaps 191: { NULL, NULL }, /* Dc */
1.188 kristaps 192: { termp_quote_pre, termp_quote_post }, /* Do */
193: { termp_quote_pre, termp_quote_post }, /* Dq */
1.112 kristaps 194: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 195: { NULL, NULL }, /* Ef */
1.334 schwarze 196: { termp_em_pre, NULL }, /* Em */
1.306 schwarze 197: { termp_eo_pre, termp_eo_post }, /* Eo */
1.339 schwarze 198: { termp_xx_pre, termp_xx_post }, /* Fx */
1.176 kristaps 199: { termp_bold_pre, NULL }, /* Ms */
1.290 schwarze 200: { termp_li_pre, NULL }, /* No */
1.1 kristaps 201: { termp_ns_pre, NULL }, /* Ns */
1.339 schwarze 202: { termp_xx_pre, termp_xx_post }, /* Nx */
203: { termp_xx_pre, termp_xx_post }, /* Ox */
1.1 kristaps 204: { NULL, NULL }, /* Pc */
1.254 schwarze 205: { NULL, termp_pf_post }, /* Pf */
1.188 kristaps 206: { termp_quote_pre, termp_quote_post }, /* Po */
207: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 208: { NULL, NULL }, /* Qc */
1.188 kristaps 209: { termp_quote_pre, termp_quote_post }, /* Ql */
210: { termp_quote_pre, termp_quote_post }, /* Qo */
211: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 212: { NULL, NULL }, /* Re */
213: { termp_rs_pre, NULL }, /* Rs */
214: { NULL, NULL }, /* Sc */
1.188 kristaps 215: { termp_quote_pre, termp_quote_post }, /* So */
216: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 217: { termp_sm_pre, NULL }, /* Sm */
1.69 kristaps 218: { termp_under_pre, NULL }, /* Sx */
1.334 schwarze 219: { termp_sy_pre, NULL }, /* Sy */
1.1 kristaps 220: { NULL, NULL }, /* Tn */
1.339 schwarze 221: { termp_xx_pre, termp_xx_post }, /* Ux */
1.1 kristaps 222: { NULL, NULL }, /* Xc */
223: { NULL, NULL }, /* Xo */
1.264 schwarze 224: { termp_fo_pre, termp_fo_post }, /* Fo */
225: { NULL, NULL }, /* Fc */
1.188 kristaps 226: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 227: { NULL, NULL }, /* Oc */
1.159 schwarze 228: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 229: { NULL, NULL }, /* Ek */
1.341 schwarze 230: { NULL, NULL }, /* Bt */
1.1 kristaps 231: { NULL, NULL }, /* Hf */
1.268 schwarze 232: { termp_under_pre, NULL }, /* Fr */
1.341 schwarze 233: { NULL, NULL }, /* Ud */
1.37 kristaps 234: { NULL, termp_lb_post }, /* Lb */
1.355 schwarze 235: { termp_pp_pre, NULL }, /* Lp */
1.264 schwarze 236: { termp_lk_pre, NULL }, /* Lk */
237: { termp_under_pre, NULL }, /* Mt */
238: { termp_quote_pre, termp_quote_post }, /* Brq */
239: { termp_quote_pre, termp_quote_post }, /* Bro */
240: { NULL, NULL }, /* Brc */
241: { NULL, termp____post }, /* %C */
1.294 schwarze 242: { termp_skip_pre, NULL }, /* Es */
1.268 schwarze 243: { termp_quote_pre, termp_quote_post }, /* En */
1.339 schwarze 244: { termp_xx_pre, termp_xx_post }, /* Dx */
1.264 schwarze 245: { NULL, termp____post }, /* %Q */
246: { NULL, termp____post }, /* %U */
247: { NULL, NULL }, /* Ta */
1.1 kristaps 248: };
1.350 schwarze 249: static const struct termact *const termacts = __termacts - MDOC_Dd;
1.1 kristaps 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);
1.337 schwarze 286: while (n != NULL && n->flags & NODE_NOPRT)
287: n = n->next;
1.281 schwarze 288: if (n != NULL) {
289: if (n->tok != MDOC_Sh)
290: term_vspace(p);
1.319 schwarze 291: print_mdoc_nodelist(p, NULL, &mdoc->meta, n);
1.281 schwarze 292: }
293: term_end(p);
1.342 schwarze 294: p->defindent = save_defindent;
1.271 schwarze 295: }
1.1 kristaps 296: }
297:
1.3 kristaps 298: static void
1.102 kristaps 299: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 300: {
301:
1.304 schwarze 302: while (n != NULL) {
303: print_mdoc_node(p, pair, meta, n);
304: n = n->next;
305: }
1.1 kristaps 306: }
307:
1.3 kristaps 308: static void
1.102 kristaps 309: print_mdoc_node(DECL_ARGS)
1.1 kristaps 310: {
1.102 kristaps 311: int chld;
1.1 kristaps 312: struct termpair npair;
1.30 kristaps 313: size_t offset, rmargin;
1.1 kristaps 314:
1.337 schwarze 315: if (n->flags & NODE_NOPRT)
316: return;
317:
1.70 kristaps 318: chld = 1;
1.362 ! schwarze 319: offset = p->tcol->offset;
! 320: rmargin = p->tcol->rmargin;
1.338 schwarze 321: n->flags &= ~NODE_ENDED;
1.305 schwarze 322: n->prev_font = p->fonti;
1.29 kristaps 323:
1.97 kristaps 324: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 325: npair.ppair = pair;
1.172 kristaps 326:
327: /*
328: * Keeps only work until the end of a line. If a keep was
329: * invoked in a prior line, revert it to PREKEEP.
330: */
331:
1.338 schwarze 332: if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
1.307 schwarze 333: p->flags &= ~TERMP_KEEP;
334: p->flags |= TERMP_PREKEEP;
1.172 kristaps 335: }
1.197 schwarze 336:
337: /*
1.217 schwarze 338: * After the keep flags have been set up, we may now
339: * produce output. Note that some pre-handlers do so.
340: */
341:
342: switch (n->type) {
1.314 schwarze 343: case ROFFT_TEXT:
1.357 schwarze 344: if (*n->string == ' ' && n->flags & NODE_LINE &&
345: (p->flags & TERMP_NONEWLINE) == 0)
1.217 schwarze 346: term_newln(p);
1.338 schwarze 347: if (NODE_DELIMC & n->flags)
1.222 kristaps 348: p->flags |= TERMP_NOSPACE;
1.217 schwarze 349: term_word(p, n->string);
1.338 schwarze 350: if (NODE_DELIMO & n->flags)
1.222 kristaps 351: p->flags |= TERMP_NOSPACE;
1.217 schwarze 352: break;
1.314 schwarze 353: case ROFFT_EQN:
1.338 schwarze 354: if ( ! (n->flags & NODE_LINE))
1.284 schwarze 355: p->flags |= TERMP_NOSPACE;
1.233 kristaps 356: term_eqn(p, n->eqn);
1.338 schwarze 357: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.285 schwarze 358: p->flags |= TERMP_NOSPACE;
1.217 schwarze 359: break;
1.314 schwarze 360: case ROFFT_TBL:
1.313 schwarze 361: if (p->tbl.cols == NULL)
362: term_newln(p);
1.217 schwarze 363: term_tbl(p, n->span);
364: break;
365: default:
1.351 schwarze 366: if (n->tok < ROFF_MAX) {
1.352 schwarze 367: roff_term_pre(p, n);
1.354 schwarze 368: return;
1.351 schwarze 369: }
370: assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
1.350 schwarze 371: if (termacts[n->tok].pre != NULL &&
1.331 schwarze 372: (n->end == ENDBODY_NOT || n->child != NULL))
1.217 schwarze 373: chld = (*termacts[n->tok].pre)
1.245 schwarze 374: (p, &npair, meta, n);
1.217 schwarze 375: break;
376: }
377:
1.86 kristaps 378: if (chld && n->child)
1.245 schwarze 379: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 380:
1.244 schwarze 381: term_fontpopq(p,
1.310 schwarze 382: (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.46 kristaps 383:
1.206 kristaps 384: switch (n->type) {
1.314 schwarze 385: case ROFFT_TEXT:
1.206 kristaps 386: break;
1.314 schwarze 387: case ROFFT_TBL:
1.216 kristaps 388: break;
1.314 schwarze 389: case ROFFT_EQN:
1.206 kristaps 390: break;
391: default:
1.354 schwarze 392: if (termacts[n->tok].post == NULL || n->flags & NODE_ENDED)
1.206 kristaps 393: break;
1.245 schwarze 394: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162 schwarze 395:
396: /*
397: * Explicit end tokens not only call the post
398: * handler, but also tell the respective block
399: * that it must not call the post handler again.
400: */
1.165 kristaps 401: if (ENDBODY_NOT != n->end)
1.338 schwarze 402: n->body->flags |= NODE_ENDED;
1.206 kristaps 403: break;
1.162 schwarze 404: }
1.121 kristaps 405:
1.338 schwarze 406: if (NODE_EOS & n->flags)
1.121 kristaps 407: p->flags |= TERMP_SENTENCE;
1.29 kristaps 408:
1.359 schwarze 409: if (n->type != ROFFT_TEXT)
1.362 ! schwarze 410: p->tcol->offset = offset;
! 411: p->tcol->rmargin = rmargin;
1.1 kristaps 412: }
413:
1.3 kristaps 414: static void
1.316 schwarze 415: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 416: {
1.292 schwarze 417: size_t sz;
1.144 kristaps 418:
1.102 kristaps 419: term_fontrepl(p, TERMFONT_NONE);
1.101 kristaps 420:
1.264 schwarze 421: /*
1.9 kristaps 422: * Output the footer in new-groff style, that is, three columns
423: * with the middle being the manual date and flanking columns
424: * being the operating system:
425: *
426: * SYSTEM DATE SYSTEM
427: */
428:
1.1 kristaps 429: term_vspace(p);
430:
1.362 ! schwarze 431: p->tcol->offset = 0;
1.292 schwarze 432: sz = term_strlen(p, meta->date);
1.362 ! schwarze 433: p->tcol->rmargin = p->maxrmargin > sz ?
1.292 schwarze 434: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.250 schwarze 435: p->trailspace = 1;
1.1 kristaps 436: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
437:
1.245 schwarze 438: term_word(p, meta->os);
1.1 kristaps 439: term_flushln(p);
440:
1.362 ! schwarze 441: p->tcol->offset = p->tcol->rmargin;
1.292 schwarze 442: sz = term_strlen(p, meta->os);
1.362 ! schwarze 443: p->tcol->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.234 schwarze 444: p->flags |= TERMP_NOSPACE;
1.9 kristaps 445:
1.245 schwarze 446: term_word(p, meta->date);
1.9 kristaps 447: term_flushln(p);
448:
1.362 ! schwarze 449: p->tcol->offset = p->tcol->rmargin;
! 450: p->tcol->rmargin = p->maxrmargin;
1.250 schwarze 451: p->trailspace = 0;
1.1 kristaps 452: p->flags &= ~TERMP_NOBREAK;
1.234 schwarze 453: p->flags |= TERMP_NOSPACE;
1.1 kristaps 454:
1.245 schwarze 455: term_word(p, meta->os);
1.1 kristaps 456: term_flushln(p);
457:
1.362 ! schwarze 458: p->tcol->offset = 0;
! 459: p->tcol->rmargin = p->maxrmargin;
1.9 kristaps 460: p->flags = 0;
1.1 kristaps 461: }
462:
1.3 kristaps 463: static void
1.316 schwarze 464: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 465: {
1.267 schwarze 466: char *volume, *title;
467: size_t vollen, titlen;
1.1 kristaps 468:
469: /*
470: * The header is strange. It has three components, which are
471: * really two with the first duplicated. It goes like this:
472: *
473: * IDENTIFIER TITLE IDENTIFIER
474: *
475: * The IDENTIFIER is NAME(SECTION), which is the command-name
476: * (if given, or "unknown" if not) followed by the manual page
477: * section. These are given in `Dt'. The TITLE is a free-form
478: * string depending on the manual volume. If not specified, it
479: * switches on the manual section.
480: */
1.235 schwarze 481:
1.245 schwarze 482: assert(meta->vol);
1.267 schwarze 483: if (NULL == meta->arch)
484: volume = mandoc_strdup(meta->vol);
485: else
486: mandoc_asprintf(&volume, "%s (%s)",
487: meta->vol, meta->arch);
488: vollen = term_strlen(p, volume);
1.1 kristaps 489:
1.275 schwarze 490: if (NULL == meta->msec)
491: title = mandoc_strdup(meta->title);
492: else
493: mandoc_asprintf(&title, "%s(%s)",
494: meta->title, meta->msec);
1.235 schwarze 495: titlen = term_strlen(p, title);
1.1 kristaps 496:
1.235 schwarze 497: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250 schwarze 498: p->trailspace = 1;
1.362 ! schwarze 499: p->tcol->offset = 0;
! 500: p->tcol->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1.267 schwarze 501: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.292 schwarze 502: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 503:
504: term_word(p, title);
505: term_flushln(p);
506:
1.235 schwarze 507: p->flags |= TERMP_NOSPACE;
1.362 ! schwarze 508: p->tcol->offset = p->tcol->rmargin;
! 509: p->tcol->rmargin = p->tcol->offset + vollen + titlen <
! 510: p->maxrmargin ? p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 511:
1.267 schwarze 512: term_word(p, volume);
1.1 kristaps 513: term_flushln(p);
514:
515: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 516: p->trailspace = 0;
1.362 ! schwarze 517: if (p->tcol->rmargin + titlen <= p->maxrmargin) {
1.235 schwarze 518: p->flags |= TERMP_NOSPACE;
1.362 ! schwarze 519: p->tcol->offset = p->tcol->rmargin;
! 520: p->tcol->rmargin = p->maxrmargin;
1.235 schwarze 521: term_word(p, title);
522: term_flushln(p);
523: }
1.1 kristaps 524:
1.235 schwarze 525: p->flags &= ~TERMP_NOSPACE;
1.362 ! schwarze 526: p->tcol->offset = 0;
! 527: p->tcol->rmargin = p->maxrmargin;
1.266 schwarze 528: free(title);
1.267 schwarze 529: free(volume);
1.1 kristaps 530: }
531:
1.302 schwarze 532: static int
1.157 kristaps 533: a2width(const struct termp *p, const char *v)
1.91 kristaps 534: {
1.92 kristaps 535: struct roffsu su;
1.1 kristaps 536:
1.300 schwarze 537: if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.157 kristaps 538: SCALE_HS_INIT(&su, term_strlen(p, v));
1.283 schwarze 539: su.scale /= term_strlen(p, "0");
1.302 schwarze 540: }
1.328 schwarze 541: return term_hspan(p, &su) / 24;
1.1 kristaps 542: }
543:
1.108 kristaps 544: /*
545: * Determine how much space to print out before block elements of `It'
546: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
547: * too.
548: */
1.54 kristaps 549: static void
1.264 schwarze 550: print_bvspace(struct termp *p,
1.315 schwarze 551: const struct roff_node *bl,
552: const struct roff_node *n)
1.1 kristaps 553: {
1.315 schwarze 554: const struct roff_node *nn;
1.236 schwarze 555:
556: assert(n);
1.1 kristaps 557:
558: term_newln(p);
1.150 kristaps 559:
1.202 kristaps 560: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150 kristaps 561: return;
1.202 kristaps 562: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54 kristaps 563: return;
564:
1.85 kristaps 565: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 566:
1.289 schwarze 567: nn = n;
1.337 schwarze 568: while (nn->prev != NULL && nn->prev->flags & NODE_NOPRT)
569: nn = nn->prev;
1.289 schwarze 570: while (nn->prev == NULL) {
571: do {
572: nn = nn->parent;
1.314 schwarze 573: if (nn->type == ROFFT_ROOT)
1.289 schwarze 574: return;
1.314 schwarze 575: } while (nn->type != ROFFT_BLOCK);
1.289 schwarze 576: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.54 kristaps 577: return;
1.289 schwarze 578: if (nn->tok == MDOC_It &&
579: nn->parent->parent->norm->Bl.type != LIST_item)
580: break;
1.1 kristaps 581: }
582:
1.85 kristaps 583: /* A `-column' does not assert vspace within the list. */
1.54 kristaps 584:
1.202 kristaps 585: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86 kristaps 586: if (n->prev && MDOC_It == n->prev->tok)
1.54 kristaps 587: return;
588:
1.85 kristaps 589: /* A `-diag' without body does not vspace. */
590:
1.202 kristaps 591: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86 kristaps 592: if (n->prev && MDOC_It == n->prev->tok) {
593: assert(n->prev->body);
594: if (NULL == n->prev->body->child)
1.55 kristaps 595: return;
596: }
597:
1.54 kristaps 598: term_vspace(p);
1.260 schwarze 599: }
600:
1.1 kristaps 601:
602: static int
603: termp_it_pre(DECL_ARGS)
604: {
1.345 schwarze 605: struct roffsu su;
1.302 schwarze 606: char buf[24];
1.315 schwarze 607: const struct roff_node *bl, *nn;
1.302 schwarze 608: size_t ncols, dcol;
609: int i, offset, width;
1.126 kristaps 610: enum mdoc_list type;
1.1 kristaps 611:
1.314 schwarze 612: if (n->type == ROFFT_BLOCK) {
1.151 kristaps 613: print_bvspace(p, n->parent->parent, n);
1.328 schwarze 614: return 1;
1.54 kristaps 615: }
1.1 kristaps 616:
1.86 kristaps 617: bl = n->parent->parent->parent;
1.202 kristaps 618: type = bl->norm->Bl.type;
1.1 kristaps 619:
1.264 schwarze 620: /*
1.302 schwarze 621: * Defaults for specific list types.
622: */
623:
624: switch (type) {
625: case LIST_bullet:
626: case LIST_dash:
627: case LIST_hyphen:
628: case LIST_enum:
629: width = term_len(p, 2);
630: break;
631: case LIST_hang:
1.332 schwarze 632: case LIST_tag:
1.302 schwarze 633: width = term_len(p, 8);
634: break;
635: case LIST_column:
636: width = term_len(p, 10);
637: break;
638: default:
639: width = 0;
640: break;
641: }
642: offset = 0;
643:
644: /*
1.108 kristaps 645: * First calculate width and offset. This is pretty easy unless
646: * we're a -column list, in which case all prior columns must
647: * be accounted for.
648: */
649:
1.302 schwarze 650: if (bl->norm->Bl.offs != NULL) {
1.288 schwarze 651: offset = a2width(p, bl->norm->Bl.offs);
1.362 ! schwarze 652: if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
! 653: offset = -p->tcol->offset;
1.302 schwarze 654: else if (offset > SHRT_MAX)
655: offset = 0;
656: }
1.152 kristaps 657:
1.1 kristaps 658: switch (type) {
1.264 schwarze 659: case LIST_column:
1.314 schwarze 660: if (n->type == ROFFT_HEAD)
1.1 kristaps 661: break;
1.155 kristaps 662:
1.105 kristaps 663: /*
1.108 kristaps 664: * Imitate groff's column handling:
665: * - For each earlier column, add its width.
666: * - For less than 5 columns, add four more blanks per
667: * column.
668: * - For exactly 5 columns, add three more blank per
669: * column.
670: * - For more than 5 columns, add only one column.
1.105 kristaps 671: */
1.202 kristaps 672: ncols = bl->norm->Bl.ncols;
1.264 schwarze 673: dcol = ncols < 5 ? term_len(p, 4) :
674: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108 kristaps 675:
1.134 kristaps 676: /*
1.314 schwarze 677: * Calculate the offset by applying all prior ROFFT_BODY,
678: * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.134 kristaps 679: */
680:
1.264 schwarze 681: for (i = 0, nn = n->prev;
682: nn->prev && i < (int)ncols;
1.345 schwarze 683: nn = nn->prev, i++) {
684: SCALE_HS_INIT(&su,
685: term_strlen(p, bl->norm->Bl.cols[i]));
686: su.scale /= term_strlen(p, "0");
687: offset += term_hspan(p, &su) / 24 + dcol;
688: }
1.105 kristaps 689:
690: /*
1.108 kristaps 691: * When exceeding the declared number of columns, leave
692: * the remaining widths at 0. This will later be
693: * adjusted to the default width of 10, or, for the last
694: * column, stretched to the right margin.
1.58 kristaps 695: */
1.108 kristaps 696: if (i >= (int)ncols)
697: break;
1.58 kristaps 698:
1.105 kristaps 699: /*
1.108 kristaps 700: * Use the declared column widths, extended as explained
701: * in the preceding paragraph.
1.105 kristaps 702: */
1.345 schwarze 703: SCALE_HS_INIT(&su, term_strlen(p, bl->norm->Bl.cols[i]));
704: su.scale /= term_strlen(p, "0");
705: width = term_hspan(p, &su) / 24 + dcol;
1.1 kristaps 706: break;
707: default:
1.202 kristaps 708: if (NULL == bl->norm->Bl.width)
1.108 kristaps 709: break;
710:
1.264 schwarze 711: /*
1.108 kristaps 712: * Note: buffer the width by 2, which is groff's magic
713: * number for buffering single arguments. See the above
714: * handling for column for how this changes.
715: */
1.202 kristaps 716: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.362 ! schwarze 717: if (width < 0 && (size_t)(-width) > p->tcol->offset)
! 718: width = -p->tcol->offset;
1.302 schwarze 719: else if (width > SHRT_MAX)
720: width = 0;
1.1 kristaps 721: break;
722: }
723:
1.264 schwarze 724: /*
1.17 kristaps 725: * Whitespace control. Inset bodies need an initial space,
726: * while diagonal bodies need two.
1.1 kristaps 727: */
728:
1.51 kristaps 729: p->flags |= TERMP_NOSPACE;
730:
1.1 kristaps 731: switch (type) {
1.264 schwarze 732: case LIST_diag:
1.314 schwarze 733: if (n->type == ROFFT_BODY)
1.62 kristaps 734: term_word(p, "\\ \\ ");
1.51 kristaps 735: break;
1.264 schwarze 736: case LIST_inset:
1.331 schwarze 737: if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.51 kristaps 738: term_word(p, "\\ ");
1.1 kristaps 739: break;
740: default:
741: break;
742: }
743:
1.51 kristaps 744: p->flags |= TERMP_NOSPACE;
745:
1.1 kristaps 746: switch (type) {
1.264 schwarze 747: case LIST_diag:
1.314 schwarze 748: if (n->type == ROFFT_HEAD)
1.102 kristaps 749: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 750: break;
751: default:
752: break;
753: }
754:
755: /*
1.109 kristaps 756: * Pad and break control. This is the tricky part. These flags
757: * are documented in term_flushln() in term.c. Note that we're
758: * going to unset all of these flags in termp_it_post() when we
759: * exit.
1.1 kristaps 760: */
761:
762: switch (type) {
1.264 schwarze 763: case LIST_enum:
1.329 schwarze 764: case LIST_bullet:
765: case LIST_dash:
766: case LIST_hyphen:
1.360 schwarze 767: if (n->type == ROFFT_HEAD) {
768: p->flags |= TERMP_NOBREAK | TERMP_HANG;
769: p->trailspace = 1;
770: } else if (width <= (int)term_len(p, 2))
771: p->flags |= TERMP_NOPAD;
1.39 kristaps 772: break;
1.264 schwarze 773: case LIST_hang:
1.314 schwarze 774: if (n->type != ROFFT_HEAD)
1.59 kristaps 775: break;
1.263 schwarze 776: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250 schwarze 777: p->trailspace = 1;
1.39 kristaps 778: break;
1.264 schwarze 779: case LIST_tag:
1.314 schwarze 780: if (n->type != ROFFT_HEAD)
1.39 kristaps 781: break;
1.250 schwarze 782:
1.326 schwarze 783: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.250 schwarze 784: p->trailspace = 2;
785:
1.86 kristaps 786: if (NULL == n->next || NULL == n->next->child)
1.360 schwarze 787: p->flags |= TERMP_HANG;
1.1 kristaps 788: break;
1.264 schwarze 789: case LIST_column:
1.314 schwarze 790: if (n->type == ROFFT_HEAD)
1.134 kristaps 791: break;
792:
1.250 schwarze 793: if (NULL == n->next) {
1.134 kristaps 794: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 795: p->trailspace = 0;
796: } else {
1.134 kristaps 797: p->flags |= TERMP_NOBREAK;
1.250 schwarze 798: p->trailspace = 1;
799: }
1.134 kristaps 800:
1.1 kristaps 801: break;
1.264 schwarze 802: case LIST_diag:
1.314 schwarze 803: if (n->type != ROFFT_HEAD)
1.250 schwarze 804: break;
1.263 schwarze 805: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 806: p->trailspace = 1;
1.1 kristaps 807: break;
808: default:
809: break;
810: }
811:
1.264 schwarze 812: /*
1.1 kristaps 813: * Margin control. Set-head-width lists have their right
814: * margins shortened. The body for these lists has the offset
815: * necessarily lengthened. Everybody gets the offset.
816: */
817:
1.362 ! schwarze 818: p->tcol->offset += offset;
1.1 kristaps 819:
820: switch (type) {
1.264 schwarze 821: case LIST_bullet:
822: case LIST_dash:
823: case LIST_enum:
824: case LIST_hyphen:
1.360 schwarze 825: case LIST_hang:
1.264 schwarze 826: case LIST_tag:
1.314 schwarze 827: if (n->type == ROFFT_HEAD)
1.362 ! schwarze 828: p->tcol->rmargin = p->tcol->offset + width;
1.292 schwarze 829: else
1.362 ! schwarze 830: p->tcol->offset += width;
1.1 kristaps 831: break;
1.264 schwarze 832: case LIST_column:
1.49 kristaps 833: assert(width);
1.362 ! schwarze 834: p->tcol->rmargin = p->tcol->offset + width;
1.264 schwarze 835: /*
1.50 kristaps 836: * XXX - this behaviour is not documented: the
837: * right-most column is filled to the right margin.
838: */
1.314 schwarze 839: if (n->type == ROFFT_HEAD)
1.134 kristaps 840: break;
1.362 ! schwarze 841: if (n->next == NULL && p->tcol->rmargin < p->maxrmargin)
! 842: p->tcol->rmargin = p->maxrmargin;
1.1 kristaps 843: break;
844: default:
845: break;
846: }
847:
1.264 schwarze 848: /*
1.1 kristaps 849: * The dash, hyphen, bullet and enum lists all have a special
1.264 schwarze 850: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 851: */
852:
1.314 schwarze 853: if (n->type == ROFFT_HEAD)
1.1 kristaps 854: switch (type) {
1.264 schwarze 855: case LIST_bullet:
1.102 kristaps 856: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 857: term_word(p, "\\[bu]");
1.102 kristaps 858: term_fontpop(p);
1.1 kristaps 859: break;
1.264 schwarze 860: case LIST_dash:
861: case LIST_hyphen:
1.102 kristaps 862: term_fontpush(p, TERMFONT_BOLD);
1.330 schwarze 863: term_word(p, "-");
1.102 kristaps 864: term_fontpop(p);
1.1 kristaps 865: break;
1.264 schwarze 866: case LIST_enum:
1.1 kristaps 867: (pair->ppair->ppair->count)++;
1.265 schwarze 868: (void)snprintf(buf, sizeof(buf), "%d.",
1.264 schwarze 869: pair->ppair->ppair->count);
1.1 kristaps 870: term_word(p, buf);
871: break;
872: default:
873: break;
874: }
875:
1.264 schwarze 876: /*
1.1 kristaps 877: * If we're not going to process our children, indicate so here.
878: */
879:
880: switch (type) {
1.264 schwarze 881: case LIST_bullet:
882: case LIST_item:
883: case LIST_dash:
884: case LIST_hyphen:
885: case LIST_enum:
1.314 schwarze 886: if (n->type == ROFFT_HEAD)
1.328 schwarze 887: return 0;
1.1 kristaps 888: break;
1.264 schwarze 889: case LIST_column:
1.314 schwarze 890: if (n->type == ROFFT_HEAD)
1.328 schwarze 891: return 0;
1.360 schwarze 892: p->minbl = 0;
1.1 kristaps 893: break;
894: default:
895: break;
896: }
897:
1.328 schwarze 898: return 1;
1.1 kristaps 899: }
900:
901: static void
902: termp_it_post(DECL_ARGS)
903: {
1.126 kristaps 904: enum mdoc_list type;
1.1 kristaps 905:
1.314 schwarze 906: if (n->type == ROFFT_BLOCK)
1.1 kristaps 907: return;
908:
1.202 kristaps 909: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 910:
911: switch (type) {
1.264 schwarze 912: case LIST_item:
913: case LIST_diag:
914: case LIST_inset:
1.314 schwarze 915: if (n->type == ROFFT_BODY)
1.130 schwarze 916: term_newln(p);
1.1 kristaps 917: break;
1.264 schwarze 918: case LIST_column:
1.314 schwarze 919: if (n->type == ROFFT_BODY)
1.1 kristaps 920: term_flushln(p);
921: break;
922: default:
1.130 schwarze 923: term_newln(p);
1.1 kristaps 924: break;
925: }
926:
1.264 schwarze 927: /*
1.109 kristaps 928: * Now that our output is flushed, we can reset our tags. Since
929: * only `It' sets these flags, we're free to assume that nobody
930: * has munged them in the meanwhile.
931: */
932:
1.360 schwarze 933: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 934: p->trailspace = 0;
1.1 kristaps 935: }
936:
937: static int
938: termp_nm_pre(DECL_ARGS)
939: {
1.296 schwarze 940: const char *cp;
1.1 kristaps 941:
1.314 schwarze 942: if (n->type == ROFFT_BLOCK) {
1.253 schwarze 943: p->flags |= TERMP_PREKEEP;
1.328 schwarze 944: return 1;
1.253 schwarze 945: }
1.164 schwarze 946:
1.314 schwarze 947: if (n->type == ROFFT_BODY) {
1.362 ! schwarze 948: if (n->child == NULL)
1.328 schwarze 949: return 0;
1.234 schwarze 950: p->flags |= TERMP_NOSPACE;
1.296 schwarze 951: cp = NULL;
952: if (n->prev->child != NULL)
953: cp = n->prev->child->string;
954: if (cp == NULL)
955: cp = meta->name;
956: if (cp == NULL)
1.362 ! schwarze 957: p->tcol->offset += term_len(p, 6);
1.296 schwarze 958: else
1.362 ! schwarze 959: p->tcol->offset += term_len(p, 1) +
! 960: term_strlen(p, cp);
1.328 schwarze 961: return 1;
1.164 schwarze 962: }
963:
1.343 schwarze 964: if (n->child == NULL)
1.328 schwarze 965: return 0;
1.125 kristaps 966:
1.314 schwarze 967: if (n->type == ROFFT_HEAD)
1.177 schwarze 968: synopsis_pre(p, n->parent);
1.102 kristaps 969:
1.314 schwarze 970: if (n->type == ROFFT_HEAD &&
1.362 ! schwarze 971: n->next != NULL && n->next->child != NULL) {
1.263 schwarze 972: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 973: p->trailspace = 1;
1.362 ! schwarze 974: p->tcol->rmargin = p->tcol->offset + term_len(p, 1);
! 975: if (n->child == NULL)
! 976: p->tcol->rmargin += term_strlen(p, meta->name);
! 977: else if (n->child->type == ROFFT_TEXT) {
! 978: p->tcol->rmargin += term_strlen(p, n->child->string);
! 979: if (n->child->next != NULL)
1.185 schwarze 980: p->flags |= TERMP_HANG;
981: } else {
1.362 ! schwarze 982: p->tcol->rmargin += term_len(p, 5);
1.185 schwarze 983: p->flags |= TERMP_HANG;
984: }
1.164 schwarze 985: }
986:
1.102 kristaps 987: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 988: return 1;
1.1 kristaps 989: }
990:
1.164 schwarze 991: static void
992: termp_nm_post(DECL_ARGS)
993: {
994:
1.314 schwarze 995: if (n->type == ROFFT_BLOCK) {
1.253 schwarze 996: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.314 schwarze 997: } else if (n->type == ROFFT_HEAD &&
1.278 schwarze 998: NULL != n->next && NULL != n->next->child) {
1.164 schwarze 999: term_flushln(p);
1.263 schwarze 1000: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 1001: p->trailspace = 0;
1.314 schwarze 1002: } else if (n->type == ROFFT_BODY && n->child != NULL)
1.164 schwarze 1003: term_flushln(p);
1004: }
1005:
1.1 kristaps 1006: static int
1007: termp_fl_pre(DECL_ARGS)
1008: {
1009:
1.320 schwarze 1010: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1011: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1012: term_word(p, "\\-");
1.103 kristaps 1013:
1.331 schwarze 1014: if (!(n->child == NULL &&
1.280 schwarze 1015: (n->next == NULL ||
1.314 schwarze 1016: n->next->type == ROFFT_TEXT ||
1.338 schwarze 1017: n->next->flags & NODE_LINE)))
1.103 kristaps 1018: p->flags |= TERMP_NOSPACE;
1019:
1.328 schwarze 1020: return 1;
1.1 kristaps 1021: }
1022:
1023: static int
1.184 kristaps 1024: termp__a_pre(DECL_ARGS)
1025: {
1026:
1027: if (n->prev && MDOC__A == n->prev->tok)
1028: if (NULL == n->next || MDOC__A != n->next->tok)
1029: term_word(p, "and");
1030:
1.328 schwarze 1031: return 1;
1.184 kristaps 1032: }
1033:
1034: static int
1.61 kristaps 1035: termp_an_pre(DECL_ARGS)
1036: {
1037:
1.282 schwarze 1038: if (n->norm->An.auth == AUTH_split) {
1039: p->flags &= ~TERMP_NOSPLIT;
1040: p->flags |= TERMP_SPLIT;
1.328 schwarze 1041: return 0;
1.282 schwarze 1042: }
1043: if (n->norm->An.auth == AUTH_nosplit) {
1044: p->flags &= ~TERMP_SPLIT;
1045: p->flags |= TERMP_NOSPLIT;
1.328 schwarze 1046: return 0;
1.282 schwarze 1047: }
1.264 schwarze 1048:
1.282 schwarze 1049: if (p->flags & TERMP_SPLIT)
1.61 kristaps 1050: term_newln(p);
1051:
1.282 schwarze 1052: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1053: p->flags |= TERMP_SPLIT;
1.61 kristaps 1054:
1.328 schwarze 1055: return 1;
1.61 kristaps 1056: }
1057:
1058: static int
1.1 kristaps 1059: termp_ns_pre(DECL_ARGS)
1060: {
1061:
1.338 schwarze 1062: if ( ! (NODE_LINE & n->flags))
1.215 kristaps 1063: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1064: return 1;
1.1 kristaps 1065: }
1066:
1067: static int
1068: termp_rs_pre(DECL_ARGS)
1069: {
1070:
1.86 kristaps 1071: if (SEC_SEE_ALSO != n->sec)
1.328 schwarze 1072: return 1;
1.314 schwarze 1073: if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1 kristaps 1074: term_vspace(p);
1.328 schwarze 1075: return 1;
1.1 kristaps 1076: }
1077:
1078: static int
1079: termp_ex_pre(DECL_ARGS)
1080: {
1.224 kristaps 1081: term_newln(p);
1.341 schwarze 1082: return 1;
1.1 kristaps 1083: }
1084:
1085: static int
1086: termp_nd_pre(DECL_ARGS)
1087: {
1.25 kristaps 1088:
1.314 schwarze 1089: if (n->type == ROFFT_BODY)
1.297 schwarze 1090: term_word(p, "\\(en");
1.328 schwarze 1091: return 1;
1.115 kristaps 1092: }
1093:
1094: static int
1095: termp_bl_pre(DECL_ARGS)
1096: {
1097:
1.328 schwarze 1098: return n->type != ROFFT_HEAD;
1.1 kristaps 1099: }
1100:
1101: static void
1102: termp_bl_post(DECL_ARGS)
1103: {
1104:
1.356 schwarze 1105: if (n->type != ROFFT_BLOCK)
1106: return;
1107: term_newln(p);
1108: if (n->tok != MDOC_Bl || n->norm->Bl.type != LIST_column)
1109: return;
1110: term_tab_set(p, NULL);
1111: term_tab_set(p, "T");
1112: term_tab_set(p, ".5i");
1.1 kristaps 1113: }
1114:
1115: static int
1116: termp_xr_pre(DECL_ARGS)
1117: {
1118:
1.225 kristaps 1119: if (NULL == (n = n->child))
1.328 schwarze 1120: return 0;
1.113 kristaps 1121:
1.314 schwarze 1122: assert(n->type == ROFFT_TEXT);
1.225 kristaps 1123: term_word(p, n->string);
1.11 kristaps 1124:
1.264 schwarze 1125: if (NULL == (n = n->next))
1.328 schwarze 1126: return 0;
1.225 kristaps 1127:
1.1 kristaps 1128: p->flags |= TERMP_NOSPACE;
1129: term_word(p, "(");
1.222 kristaps 1130: p->flags |= TERMP_NOSPACE;
1.225 kristaps 1131:
1.314 schwarze 1132: assert(n->type == ROFFT_TEXT);
1.225 kristaps 1133: term_word(p, n->string);
1134:
1.222 kristaps 1135: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1136: term_word(p, ")");
1.86 kristaps 1137:
1.328 schwarze 1138: return 0;
1.1 kristaps 1139: }
1140:
1.143 kristaps 1141: /*
1142: * This decides how to assert whitespace before any of the SYNOPSIS set
1143: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1144: * macro combos).
1145: */
1146: static void
1.315 schwarze 1147: synopsis_pre(struct termp *p, const struct roff_node *n)
1.143 kristaps 1148: {
1.264 schwarze 1149: /*
1.143 kristaps 1150: * Obviously, if we're not in a SYNOPSIS or no prior macros
1151: * exist, do nothing.
1152: */
1.338 schwarze 1153: if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.143 kristaps 1154: return;
1155:
1156: /*
1157: * If we're the second in a pair of like elements, emit our
1158: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1159: * case we soldier on.
1160: */
1.264 schwarze 1161: if (n->prev->tok == n->tok &&
1162: MDOC_Ft != n->tok &&
1163: MDOC_Fo != n->tok &&
1164: MDOC_Fn != n->tok) {
1.143 kristaps 1165: term_newln(p);
1166: return;
1167: }
1168:
1169: /*
1170: * If we're one of the SYNOPSIS set and non-like pair-wise after
1171: * another (or Fn/Fo, which we've let slip through) then assert
1172: * vertical space, else only newline and move on.
1173: */
1174: switch (n->prev->tok) {
1.264 schwarze 1175: case MDOC_Fd:
1176: case MDOC_Fn:
1177: case MDOC_Fo:
1178: case MDOC_In:
1179: case MDOC_Vt:
1.143 kristaps 1180: term_vspace(p);
1181: break;
1.264 schwarze 1182: case MDOC_Ft:
1.143 kristaps 1183: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1184: term_vspace(p);
1185: break;
1186: }
1187: /* FALLTHROUGH */
1188: default:
1189: term_newln(p);
1190: break;
1191: }
1192: }
1193:
1.110 kristaps 1194: static int
1195: termp_vt_pre(DECL_ARGS)
1196: {
1197:
1.314 schwarze 1198: if (n->type == ROFFT_ELEM) {
1.143 kristaps 1199: synopsis_pre(p, n);
1.328 schwarze 1200: return termp_under_pre(p, pair, meta, n);
1.314 schwarze 1201: } else if (n->type == ROFFT_BLOCK) {
1.143 kristaps 1202: synopsis_pre(p, n);
1.328 schwarze 1203: return 1;
1.314 schwarze 1204: } else if (n->type == ROFFT_HEAD)
1.328 schwarze 1205: return 0;
1.110 kristaps 1206:
1.328 schwarze 1207: return termp_under_pre(p, pair, meta, n);
1.110 kristaps 1208: }
1209:
1.1 kristaps 1210: static int
1.69 kristaps 1211: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1212: {
1213:
1.320 schwarze 1214: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1215: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1216: return 1;
1.1 kristaps 1217: }
1218:
1.143 kristaps 1219: static int
1220: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1221: {
1222:
1.143 kristaps 1223: synopsis_pre(p, n);
1.328 schwarze 1224: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1225: }
1226:
1.241 schwarze 1227: static void
1228: termp_fd_post(DECL_ARGS)
1229: {
1230:
1231: term_newln(p);
1232: }
1233:
1.1 kristaps 1234: static int
1235: termp_sh_pre(DECL_ARGS)
1236: {
1.85 kristaps 1237:
1.86 kristaps 1238: switch (n->type) {
1.314 schwarze 1239: case ROFFT_BLOCK:
1.293 schwarze 1240: /*
1241: * Vertical space before sections, except
1242: * when the previous section was empty.
1243: */
1244: if (n->prev == NULL ||
1.322 schwarze 1245: n->prev->tok != MDOC_Sh ||
1.293 schwarze 1246: (n->prev->body != NULL &&
1247: n->prev->body->child != NULL))
1248: term_vspace(p);
1.65 kristaps 1249: break;
1.314 schwarze 1250: case ROFFT_HEAD:
1.102 kristaps 1251: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1252: break;
1.314 schwarze 1253: case ROFFT_BODY:
1.362 ! schwarze 1254: p->tcol->offset = term_len(p, p->defindent);
1.356 schwarze 1255: term_tab_set(p, NULL);
1256: term_tab_set(p, "T");
1257: term_tab_set(p, ".5i");
1.322 schwarze 1258: switch (n->sec) {
1259: case SEC_DESCRIPTION:
1260: fn_prio = 0;
1261: break;
1262: case SEC_AUTHORS:
1.239 schwarze 1263: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.322 schwarze 1264: break;
1265: default:
1266: break;
1267: }
1.1 kristaps 1268: break;
1269: default:
1270: break;
1271: }
1.328 schwarze 1272: return 1;
1.1 kristaps 1273: }
1274:
1275: static void
1276: termp_sh_post(DECL_ARGS)
1277: {
1278:
1.86 kristaps 1279: switch (n->type) {
1.314 schwarze 1280: case ROFFT_HEAD:
1.1 kristaps 1281: term_newln(p);
1282: break;
1.314 schwarze 1283: case ROFFT_BODY:
1.1 kristaps 1284: term_newln(p);
1.362 ! schwarze 1285: p->tcol->offset = 0;
1.1 kristaps 1286: break;
1287: default:
1288: break;
1289: }
1290: }
1291:
1292: static void
1293: termp_lb_post(DECL_ARGS)
1294: {
1295:
1.338 schwarze 1296: if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
1.81 kristaps 1297: term_newln(p);
1.1 kristaps 1298: }
1299:
1300: static int
1301: termp_d1_pre(DECL_ARGS)
1302: {
1303:
1.314 schwarze 1304: if (n->type != ROFFT_BLOCK)
1.328 schwarze 1305: return 1;
1.1 kristaps 1306: term_newln(p);
1.362 ! schwarze 1307: p->tcol->offset += term_len(p, p->defindent + 1);
1.356 schwarze 1308: term_tab_set(p, NULL);
1309: term_tab_set(p, "T");
1310: term_tab_set(p, ".5i");
1.328 schwarze 1311: return 1;
1.1 kristaps 1312: }
1313:
1314: static int
1315: termp_ft_pre(DECL_ARGS)
1316: {
1317:
1.338 schwarze 1318: /* NB: NODE_LINE does not effect this! */
1.143 kristaps 1319: synopsis_pre(p, n);
1.102 kristaps 1320: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 1321: return 1;
1.1 kristaps 1322: }
1323:
1324: static int
1325: termp_fn_pre(DECL_ARGS)
1326: {
1.257 schwarze 1327: size_t rmargin = 0;
1.226 kristaps 1328: int pretty;
1329:
1.338 schwarze 1330: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1331:
1.143 kristaps 1332: synopsis_pre(p, n);
1.139 kristaps 1333:
1.226 kristaps 1334: if (NULL == (n = n->child))
1.328 schwarze 1335: return 0;
1.226 kristaps 1336:
1.251 schwarze 1337: if (pretty) {
1.362 ! schwarze 1338: rmargin = p->tcol->rmargin;
! 1339: p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
1.263 schwarze 1340: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251 schwarze 1341: }
1342:
1.314 schwarze 1343: assert(n->type == ROFFT_TEXT);
1.102 kristaps 1344: term_fontpush(p, TERMFONT_BOLD);
1.226 kristaps 1345: term_word(p, n->string);
1.102 kristaps 1346: term_fontpop(p);
1.1 kristaps 1347:
1.336 schwarze 1348: if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.324 schwarze 1349: tag_put(n->string, ++fn_prio, p->line);
1.322 schwarze 1350:
1.251 schwarze 1351: if (pretty) {
1352: term_flushln(p);
1.263 schwarze 1353: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.360 schwarze 1354: p->flags |= TERMP_NOPAD;
1.362 ! schwarze 1355: p->tcol->offset = p->tcol->rmargin;
! 1356: p->tcol->rmargin = rmargin;
1.251 schwarze 1357: }
1358:
1.1 kristaps 1359: p->flags |= TERMP_NOSPACE;
1360: term_word(p, "(");
1.222 kristaps 1361: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1362:
1.226 kristaps 1363: for (n = n->next; n; n = n->next) {
1.314 schwarze 1364: assert(n->type == ROFFT_TEXT);
1.102 kristaps 1365: term_fontpush(p, TERMFONT_UNDER);
1.255 schwarze 1366: if (pretty)
1367: p->flags |= TERMP_NBRWORD;
1.226 kristaps 1368: term_word(p, n->string);
1.102 kristaps 1369: term_fontpop(p);
1370:
1.226 kristaps 1371: if (n->next) {
1.222 kristaps 1372: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1373: term_word(p, ",");
1.222 kristaps 1374: }
1.1 kristaps 1375: }
1376:
1.222 kristaps 1377: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1378: term_word(p, ")");
1379:
1.226 kristaps 1380: if (pretty) {
1.222 kristaps 1381: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1382: term_word(p, ";");
1.251 schwarze 1383: term_flushln(p);
1.222 kristaps 1384: }
1.1 kristaps 1385:
1.328 schwarze 1386: return 0;
1.1 kristaps 1387: }
1388:
1389: static int
1390: termp_fa_pre(DECL_ARGS)
1391: {
1.315 schwarze 1392: const struct roff_node *nn;
1.1 kristaps 1393:
1.86 kristaps 1394: if (n->parent->tok != MDOC_Fo) {
1.102 kristaps 1395: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 1396: return 1;
1.1 kristaps 1397: }
1398:
1.86 kristaps 1399: for (nn = n->child; nn; nn = nn->next) {
1.102 kristaps 1400: term_fontpush(p, TERMFONT_UNDER);
1.258 schwarze 1401: p->flags |= TERMP_NBRWORD;
1.86 kristaps 1402: term_word(p, nn->string);
1.102 kristaps 1403: term_fontpop(p);
1404:
1.256 schwarze 1405: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222 kristaps 1406: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1407: term_word(p, ",");
1.222 kristaps 1408: }
1.1 kristaps 1409: }
1410:
1.328 schwarze 1411: return 0;
1.1 kristaps 1412: }
1413:
1414: static int
1415: termp_bd_pre(DECL_ARGS)
1416: {
1.361 schwarze 1417: size_t lm, len;
1.315 schwarze 1418: struct roff_node *nn;
1.302 schwarze 1419: int offset;
1.1 kristaps 1420:
1.314 schwarze 1421: if (n->type == ROFFT_BLOCK) {
1.151 kristaps 1422: print_bvspace(p, n, n);
1.328 schwarze 1423: return 1;
1.314 schwarze 1424: } else if (n->type == ROFFT_HEAD)
1.328 schwarze 1425: return 0;
1.1 kristaps 1426:
1.288 schwarze 1427: /* Handle the -offset argument. */
1428:
1429: if (n->norm->Bd.offs == NULL ||
1430: ! strcmp(n->norm->Bd.offs, "left"))
1431: /* nothing */;
1432: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1.362 ! schwarze 1433: p->tcol->offset += term_len(p, p->defindent + 1);
1.288 schwarze 1434: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1.362 ! schwarze 1435: p->tcol->offset += term_len(p, (p->defindent + 1) * 2);
1.302 schwarze 1436: else {
1437: offset = a2width(p, n->norm->Bd.offs);
1.362 ! schwarze 1438: if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
! 1439: p->tcol->offset = 0;
1.302 schwarze 1440: else if (offset < SHRT_MAX)
1.362 ! schwarze 1441: p->tcol->offset += offset;
1.302 schwarze 1442: }
1.85 kristaps 1443:
1444: /*
1445: * If -ragged or -filled are specified, the block does nothing
1446: * but change the indentation. If -unfilled or -literal are
1447: * specified, text is printed exactly as entered in the display:
1448: * for macro lines, a newline is appended to the line. Blank
1449: * lines are allowed.
1450: */
1.264 schwarze 1451:
1.362 ! schwarze 1452: if (n->norm->Bd.type != DISP_literal &&
! 1453: n->norm->Bd.type != DISP_unfilled &&
! 1454: n->norm->Bd.type != DISP_centered)
1.328 schwarze 1455: return 1;
1.1 kristaps 1456:
1.356 schwarze 1457: if (n->norm->Bd.type == DISP_literal) {
1458: term_tab_set(p, NULL);
1459: term_tab_set(p, "T");
1460: term_tab_set(p, "8n");
1461: }
1.208 kristaps 1462:
1.362 ! schwarze 1463: lm = p->tcol->offset;
1.361 schwarze 1464: p->flags |= TERMP_BRNEVER;
1.362 ! schwarze 1465: for (nn = n->child; nn != NULL; nn = nn->next) {
! 1466: if (n->norm->Bd.type == DISP_centered) {
1.314 schwarze 1467: if (nn->type == ROFFT_TEXT) {
1.272 schwarze 1468: len = term_strlen(p, nn->string);
1.362 ! schwarze 1469: p->tcol->offset = len >= p->tcol->rmargin ?
! 1470: 0 : lm + len >= p->tcol->rmargin ?
! 1471: p->tcol->rmargin - len :
! 1472: (lm + p->tcol->rmargin - len) / 2;
1.272 schwarze 1473: } else
1.362 ! schwarze 1474: p->tcol->offset = lm;
1.272 schwarze 1475: }
1.245 schwarze 1476: print_mdoc_node(p, pair, meta, nn);
1.190 kristaps 1477: /*
1478: * If the printed node flushes its own line, then we
1479: * needn't do it here as well. This is hacky, but the
1480: * notion of selective eoln whitespace is pretty dumb
1481: * anyway, so don't sweat it.
1482: */
1.356 schwarze 1483: if (nn->tok < ROFF_MAX)
1484: continue;
1.190 kristaps 1485: switch (nn->tok) {
1.264 schwarze 1486: case MDOC_Sm:
1487: case MDOC_Bl:
1488: case MDOC_D1:
1489: case MDOC_Dl:
1490: case MDOC_Lp:
1491: case MDOC_Pp:
1.190 kristaps 1492: continue;
1493: default:
1494: break;
1495: }
1.299 schwarze 1496: if (p->flags & TERMP_NONEWLINE ||
1.338 schwarze 1497: (nn->next && ! (nn->next->flags & NODE_LINE)))
1.180 schwarze 1498: continue;
1499: term_flushln(p);
1500: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1501: }
1.361 schwarze 1502: p->flags &= ~TERMP_BRNEVER;
1.328 schwarze 1503: return 0;
1.1 kristaps 1504: }
1505:
1506: static void
1507: termp_bd_post(DECL_ARGS)
1508: {
1.314 schwarze 1509: if (n->type != ROFFT_BODY)
1.1 kristaps 1510: return;
1.264 schwarze 1511: if (DISP_literal == n->norm->Bd.type ||
1512: DISP_unfilled == n->norm->Bd.type)
1.361 schwarze 1513: p->flags |= TERMP_BRNEVER;
1.60 kristaps 1514: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1515: term_newln(p);
1.361 schwarze 1516: p->flags &= ~TERMP_BRNEVER;
1.1 kristaps 1517: }
1518:
1519: static int
1.26 kristaps 1520: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1521: {
1.339 schwarze 1522: if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
1523: p->flags |= TERMP_PREKEEP;
1524: return 1;
1525: }
1.1 kristaps 1526:
1.339 schwarze 1527: static void
1528: termp_xx_post(DECL_ARGS)
1529: {
1530: if (n->aux == 0)
1531: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1 kristaps 1532: }
1533:
1534: static void
1535: termp_pf_post(DECL_ARGS)
1536: {
1537:
1.338 schwarze 1538: if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.298 schwarze 1539: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1540: }
1541:
1542: static int
1543: termp_ss_pre(DECL_ARGS)
1544: {
1.337 schwarze 1545: struct roff_node *nn;
1.1 kristaps 1546:
1.86 kristaps 1547: switch (n->type) {
1.314 schwarze 1548: case ROFFT_BLOCK:
1.1 kristaps 1549: term_newln(p);
1.337 schwarze 1550: for (nn = n->prev; nn != NULL; nn = nn->prev)
1551: if ((nn->flags & NODE_NOPRT) == 0)
1552: break;
1553: if (nn != NULL)
1.1 kristaps 1554: term_vspace(p);
1555: break;
1.314 schwarze 1556: case ROFFT_HEAD:
1.102 kristaps 1557: term_fontpush(p, TERMFONT_BOLD);
1.362 ! schwarze 1558: p->tcol->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1559: break;
1.314 schwarze 1560: case ROFFT_BODY:
1.362 ! schwarze 1561: p->tcol->offset = term_len(p, p->defindent);
1.356 schwarze 1562: term_tab_set(p, NULL);
1563: term_tab_set(p, "T");
1564: term_tab_set(p, ".5i");
1.274 schwarze 1565: break;
1.1 kristaps 1566: default:
1567: break;
1568: }
1569:
1.328 schwarze 1570: return 1;
1.1 kristaps 1571: }
1572:
1573: static void
1574: termp_ss_post(DECL_ARGS)
1575: {
1576:
1.314 schwarze 1577: if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1 kristaps 1578: term_newln(p);
1579: }
1580:
1581: static int
1582: termp_cd_pre(DECL_ARGS)
1583: {
1584:
1.143 kristaps 1585: synopsis_pre(p, n);
1.102 kristaps 1586: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1587: return 1;
1.1 kristaps 1588: }
1589:
1590: static int
1591: termp_in_pre(DECL_ARGS)
1592: {
1.142 schwarze 1593:
1.143 kristaps 1594: synopsis_pre(p, n);
1.1 kristaps 1595:
1.338 schwarze 1596: if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
1.138 kristaps 1597: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1598: term_word(p, "#include");
1.138 kristaps 1599: term_word(p, "<");
1600: } else {
1601: term_word(p, "<");
1602: term_fontpush(p, TERMFONT_UNDER);
1603: }
1.22 kristaps 1604:
1.1 kristaps 1605: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1606: return 1;
1.1 kristaps 1607: }
1608:
1609: static void
1610: termp_in_post(DECL_ARGS)
1611: {
1612:
1.338 schwarze 1613: if (NODE_SYNPRETTY & n->flags)
1.138 kristaps 1614: term_fontpush(p, TERMFONT_BOLD);
1615:
1.79 kristaps 1616: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1617: term_word(p, ">");
1618:
1.338 schwarze 1619: if (NODE_SYNPRETTY & n->flags)
1.138 kristaps 1620: term_fontpop(p);
1.1 kristaps 1621: }
1622:
1623: static int
1.355 schwarze 1624: termp_pp_pre(DECL_ARGS)
1.45 kristaps 1625: {
1.355 schwarze 1626: fn_prio = 0;
1627: term_vspace(p);
1.328 schwarze 1628: return 0;
1.45 kristaps 1629: }
1630:
1631: static int
1.294 schwarze 1632: termp_skip_pre(DECL_ARGS)
1.268 schwarze 1633: {
1634:
1.328 schwarze 1635: return 0;
1.268 schwarze 1636: }
1637:
1638: static int
1.188 kristaps 1639: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1640: {
1641:
1.314 schwarze 1642: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.328 schwarze 1643: return 1;
1.1 kristaps 1644:
1.188 kristaps 1645: switch (n->tok) {
1.264 schwarze 1646: case MDOC_Ao:
1647: case MDOC_Aq:
1.331 schwarze 1648: term_word(p, n->child != NULL && n->child->next == NULL &&
1.303 schwarze 1649: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.188 kristaps 1650: break;
1.264 schwarze 1651: case MDOC_Bro:
1652: case MDOC_Brq:
1.188 kristaps 1653: term_word(p, "{");
1654: break;
1.264 schwarze 1655: case MDOC_Oo:
1656: case MDOC_Op:
1657: case MDOC_Bo:
1658: case MDOC_Bq:
1.188 kristaps 1659: term_word(p, "[");
1660: break;
1.346 schwarze 1661: case MDOC__T:
1662: /* FALLTHROUGH */
1.264 schwarze 1663: case MDOC_Do:
1664: case MDOC_Dq:
1.311 schwarze 1665: term_word(p, "\\(Lq");
1.188 kristaps 1666: break;
1.268 schwarze 1667: case MDOC_En:
1668: if (NULL == n->norm->Es ||
1669: NULL == n->norm->Es->child)
1.328 schwarze 1670: return 1;
1.268 schwarze 1671: term_word(p, n->norm->Es->child->string);
1672: break;
1.264 schwarze 1673: case MDOC_Po:
1674: case MDOC_Pq:
1.188 kristaps 1675: term_word(p, "(");
1676: break;
1.264 schwarze 1677: case MDOC_Qo:
1678: case MDOC_Qq:
1.188 kristaps 1679: term_word(p, "\"");
1680: break;
1.264 schwarze 1681: case MDOC_Ql:
1682: case MDOC_So:
1683: case MDOC_Sq:
1.249 schwarze 1684: term_word(p, "\\(oq");
1.188 kristaps 1685: break;
1686: default:
1687: abort();
1688: }
1.1 kristaps 1689:
1690: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1691: return 1;
1.1 kristaps 1692: }
1693:
1694: static void
1.188 kristaps 1695: termp_quote_post(DECL_ARGS)
1.1 kristaps 1696: {
1697:
1.314 schwarze 1698: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1 kristaps 1699: return;
1700:
1.306 schwarze 1701: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1702:
1.188 kristaps 1703: switch (n->tok) {
1.264 schwarze 1704: case MDOC_Ao:
1705: case MDOC_Aq:
1.331 schwarze 1706: term_word(p, n->child != NULL && n->child->next == NULL &&
1.303 schwarze 1707: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.188 kristaps 1708: break;
1.264 schwarze 1709: case MDOC_Bro:
1710: case MDOC_Brq:
1.188 kristaps 1711: term_word(p, "}");
1712: break;
1.264 schwarze 1713: case MDOC_Oo:
1714: case MDOC_Op:
1715: case MDOC_Bo:
1716: case MDOC_Bq:
1.188 kristaps 1717: term_word(p, "]");
1718: break;
1.346 schwarze 1719: case MDOC__T:
1720: /* FALLTHROUGH */
1.264 schwarze 1721: case MDOC_Do:
1722: case MDOC_Dq:
1.311 schwarze 1723: term_word(p, "\\(Rq");
1.268 schwarze 1724: break;
1725: case MDOC_En:
1.306 schwarze 1726: if (n->norm->Es == NULL ||
1727: n->norm->Es->child == NULL ||
1728: n->norm->Es->child->next == NULL)
1729: p->flags &= ~TERMP_NOSPACE;
1730: else
1.268 schwarze 1731: term_word(p, n->norm->Es->child->next->string);
1.188 kristaps 1732: break;
1.264 schwarze 1733: case MDOC_Po:
1734: case MDOC_Pq:
1.188 kristaps 1735: term_word(p, ")");
1736: break;
1.264 schwarze 1737: case MDOC_Qo:
1738: case MDOC_Qq:
1.188 kristaps 1739: term_word(p, "\"");
1740: break;
1.264 schwarze 1741: case MDOC_Ql:
1742: case MDOC_So:
1743: case MDOC_Sq:
1.249 schwarze 1744: term_word(p, "\\(cq");
1.188 kristaps 1745: break;
1746: default:
1747: abort();
1748: }
1.306 schwarze 1749: }
1750:
1751: static int
1752: termp_eo_pre(DECL_ARGS)
1753: {
1754:
1.314 schwarze 1755: if (n->type != ROFFT_BODY)
1.328 schwarze 1756: return 1;
1.306 schwarze 1757:
1758: if (n->end == ENDBODY_NOT &&
1759: n->parent->head->child == NULL &&
1760: n->child != NULL &&
1761: n->child->end != ENDBODY_NOT)
1762: term_word(p, "\\&");
1763: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.309 schwarze 1764: n->parent->head->child != NULL && (n->child != NULL ||
1765: (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.306 schwarze 1766: p->flags |= TERMP_NOSPACE;
1767:
1.328 schwarze 1768: return 1;
1.306 schwarze 1769: }
1770:
1771: static void
1772: termp_eo_post(DECL_ARGS)
1773: {
1774: int body, tail;
1775:
1.314 schwarze 1776: if (n->type != ROFFT_BODY)
1.306 schwarze 1777: return;
1778:
1779: if (n->end != ENDBODY_NOT) {
1780: p->flags &= ~TERMP_NOSPACE;
1781: return;
1782: }
1783:
1784: body = n->child != NULL || n->parent->head->child != NULL;
1785: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1786:
1787: if (body && tail)
1788: p->flags |= TERMP_NOSPACE;
1789: else if ( ! (body || tail))
1790: term_word(p, "\\&");
1791: else if ( ! tail)
1792: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1793: }
1794:
1795: static int
1796: termp_fo_pre(DECL_ARGS)
1797: {
1.257 schwarze 1798: size_t rmargin = 0;
1.256 schwarze 1799: int pretty;
1800:
1.338 schwarze 1801: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1802:
1.314 schwarze 1803: if (n->type == ROFFT_BLOCK) {
1.143 kristaps 1804: synopsis_pre(p, n);
1.328 schwarze 1805: return 1;
1.314 schwarze 1806: } else if (n->type == ROFFT_BODY) {
1.256 schwarze 1807: if (pretty) {
1.362 ! schwarze 1808: rmargin = p->tcol->rmargin;
! 1809: p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
1.263 schwarze 1810: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1811: TERMP_HANG;
1.256 schwarze 1812: }
1.33 kristaps 1813: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1814: term_word(p, "(");
1.222 kristaps 1815: p->flags |= TERMP_NOSPACE;
1.256 schwarze 1816: if (pretty) {
1817: term_flushln(p);
1.263 schwarze 1818: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1819: TERMP_HANG);
1.360 schwarze 1820: p->flags |= TERMP_NOPAD;
1.362 ! schwarze 1821: p->tcol->offset = p->tcol->rmargin;
! 1822: p->tcol->rmargin = rmargin;
1.256 schwarze 1823: }
1.328 schwarze 1824: return 1;
1.256 schwarze 1825: }
1.141 kristaps 1826:
1.169 kristaps 1827: if (NULL == n->child)
1.328 schwarze 1828: return 0;
1.169 kristaps 1829:
1.141 kristaps 1830: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 1831:
1.141 kristaps 1832: assert(n->child->string);
1.102 kristaps 1833: term_fontpush(p, TERMFONT_BOLD);
1.141 kristaps 1834: term_word(p, n->child->string);
1.328 schwarze 1835: return 0;
1.1 kristaps 1836: }
1837:
1838: static void
1839: termp_fo_post(DECL_ARGS)
1840: {
1841:
1.314 schwarze 1842: if (n->type != ROFFT_BODY)
1.143 kristaps 1843: return;
1844:
1.222 kristaps 1845: p->flags |= TERMP_NOSPACE;
1.143 kristaps 1846: term_word(p, ")");
1847:
1.338 schwarze 1848: if (NODE_SYNPRETTY & n->flags) {
1.222 kristaps 1849: p->flags |= TERMP_NOSPACE;
1.143 kristaps 1850: term_word(p, ";");
1.256 schwarze 1851: term_flushln(p);
1.222 kristaps 1852: }
1.1 kristaps 1853: }
1854:
1855: static int
1856: termp_bf_pre(DECL_ARGS)
1857: {
1858:
1.314 schwarze 1859: if (n->type == ROFFT_HEAD)
1.328 schwarze 1860: return 0;
1.314 schwarze 1861: else if (n->type != ROFFT_BODY)
1.328 schwarze 1862: return 1;
1.1 kristaps 1863:
1.264 schwarze 1864: if (FONT_Em == n->norm->Bf.font)
1.102 kristaps 1865: term_fontpush(p, TERMFONT_UNDER);
1.264 schwarze 1866: else if (FONT_Sy == n->norm->Bf.font)
1.102 kristaps 1867: term_fontpush(p, TERMFONT_BOLD);
1.264 schwarze 1868: else
1.102 kristaps 1869: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 1870:
1.328 schwarze 1871: return 1;
1.1 kristaps 1872: }
1873:
1874: static int
1875: termp_sm_pre(DECL_ARGS)
1876: {
1877:
1.269 schwarze 1878: if (NULL == n->child)
1879: p->flags ^= TERMP_NONOSPACE;
1880: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 1881: p->flags &= ~TERMP_NONOSPACE;
1.269 schwarze 1882: else
1.1 kristaps 1883: p->flags |= TERMP_NONOSPACE;
1.269 schwarze 1884:
1885: if (p->col && ! (TERMP_NONOSPACE & p->flags))
1886: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1887:
1.328 schwarze 1888: return 0;
1.1 kristaps 1889: }
1890:
1891: static int
1892: termp_ap_pre(DECL_ARGS)
1893: {
1894:
1895: p->flags |= TERMP_NOSPACE;
1.188 kristaps 1896: term_word(p, "'");
1.1 kristaps 1897: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1898: return 1;
1.1 kristaps 1899: }
1900:
1901: static void
1902: termp____post(DECL_ARGS)
1903: {
1.184 kristaps 1904:
1905: /*
1906: * Handle lists of authors. In general, print each followed by
1907: * a comma. Don't print the comma if there are only two
1908: * authors.
1909: */
1910: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
1911: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
1912: if (NULL == n->prev || MDOC__A != n->prev->tok)
1913: return;
1.1 kristaps 1914:
1.95 kristaps 1915: /* TODO: %U. */
1916:
1.187 kristaps 1917: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
1918: return;
1919:
1.222 kristaps 1920: p->flags |= TERMP_NOSPACE;
1.186 kristaps 1921: if (NULL == n->next) {
1922: term_word(p, ".");
1923: p->flags |= TERMP_SENTENCE;
1924: } else
1925: term_word(p, ",");
1.1 kristaps 1926: }
1927:
1928: static int
1.102 kristaps 1929: termp_li_pre(DECL_ARGS)
1930: {
1931:
1.335 schwarze 1932: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1933: term_fontpush(p, TERMFONT_NONE);
1.328 schwarze 1934: return 1;
1.102 kristaps 1935: }
1936:
1937: static int
1.1 kristaps 1938: termp_lk_pre(DECL_ARGS)
1939: {
1.358 schwarze 1940: const struct roff_node *link, *descr, *punct;
1.348 schwarze 1941: int display;
1.1 kristaps 1942:
1.349 schwarze 1943: if ((link = n->child) == NULL)
1.328 schwarze 1944: return 0;
1.181 kristaps 1945:
1.358 schwarze 1946: /* Find beginning of trailing punctuation. */
1947: punct = n->last;
1948: while (punct != link && punct->flags & NODE_DELIMC)
1949: punct = punct->prev;
1950: punct = punct->next;
1951:
1.349 schwarze 1952: /* Link text. */
1.358 schwarze 1953: if ((descr = link->next) != NULL && descr != punct) {
1.240 schwarze 1954: term_fontpush(p, TERMFONT_UNDER);
1.358 schwarze 1955: while (descr != punct) {
1956: if (descr->flags & (NODE_DELIMC | NODE_DELIMO))
1957: p->flags |= TERMP_NOSPACE;
1.240 schwarze 1958: term_word(p, descr->string);
1959: descr = descr->next;
1960: }
1.347 schwarze 1961: term_fontpop(p);
1.240 schwarze 1962: p->flags |= TERMP_NOSPACE;
1963: term_word(p, ":");
1964: }
1.1 kristaps 1965:
1.349 schwarze 1966: /* Link target. */
1.348 schwarze 1967: display = term_strlen(p, link->string) >= 26;
1968: if (display) {
1969: term_newln(p);
1.362 ! schwarze 1970: p->tcol->offset += term_len(p, p->defindent + 1);
1.348 schwarze 1971: }
1.102 kristaps 1972: term_fontpush(p, TERMFONT_BOLD);
1.240 schwarze 1973: term_word(p, link->string);
1.102 kristaps 1974: term_fontpop(p);
1.348 schwarze 1975:
1.349 schwarze 1976: /* Trailing punctuation. */
1.358 schwarze 1977: while (punct != NULL) {
1.349 schwarze 1978: p->flags |= TERMP_NOSPACE;
1.358 schwarze 1979: term_word(p, punct->string);
1980: punct = punct->next;
1.349 schwarze 1981: }
1.348 schwarze 1982: if (display)
1983: term_newln(p);
1.328 schwarze 1984: return 0;
1.1 kristaps 1985: }
1986:
1.159 schwarze 1987: static int
1988: termp_bk_pre(DECL_ARGS)
1989: {
1990:
1.161 schwarze 1991: switch (n->type) {
1.314 schwarze 1992: case ROFFT_BLOCK:
1.166 kristaps 1993: break;
1.314 schwarze 1994: case ROFFT_HEAD:
1.328 schwarze 1995: return 0;
1.314 schwarze 1996: case ROFFT_BODY:
1.331 schwarze 1997: if (n->parent->args != NULL || n->prev->child == NULL)
1.200 schwarze 1998: p->flags |= TERMP_PREKEEP;
1.166 kristaps 1999: break;
1.161 schwarze 2000: default:
2001: abort();
2002: }
1.166 kristaps 2003:
1.328 schwarze 2004: return 1;
1.159 schwarze 2005: }
2006:
2007: static void
2008: termp_bk_post(DECL_ARGS)
2009: {
2010:
1.314 schwarze 2011: if (n->type == ROFFT_BODY)
1.161 schwarze 2012: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203 kristaps 2013: }
2014:
2015: static void
2016: termp__t_post(DECL_ARGS)
2017: {
2018:
2019: /*
2020: * If we're in an `Rs' and there's a journal present, then quote
2021: * us instead of underlining us (for disambiguation).
2022: */
1.217 schwarze 2023: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2024: n->parent->norm->Rs.quote_T)
1.245 schwarze 2025: termp_quote_post(p, pair, meta, n);
1.203 kristaps 2026:
1.245 schwarze 2027: termp____post(p, pair, meta, n);
1.203 kristaps 2028: }
2029:
2030: static int
2031: termp__t_pre(DECL_ARGS)
2032: {
2033:
2034: /*
2035: * If we're in an `Rs' and there's a journal present, then quote
2036: * us instead of underlining us (for disambiguation).
2037: */
2038: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2039: n->parent->norm->Rs.quote_T)
1.328 schwarze 2040: return termp_quote_pre(p, pair, meta, n);
1.203 kristaps 2041:
2042: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 2043: return 1;
1.159 schwarze 2044: }
1.1 kristaps 2045:
2046: static int
1.69 kristaps 2047: termp_under_pre(DECL_ARGS)
1.1 kristaps 2048: {
2049:
1.102 kristaps 2050: term_fontpush(p, TERMFONT_UNDER);
1.334 schwarze 2051: return 1;
2052: }
2053:
2054: static int
2055: termp_em_pre(DECL_ARGS)
2056: {
2057: if (n->child != NULL &&
2058: n->child->type == ROFFT_TEXT)
2059: tag_put(n->child->string, 0, p->line);
2060: term_fontpush(p, TERMFONT_UNDER);
2061: return 1;
2062: }
2063:
2064: static int
2065: termp_sy_pre(DECL_ARGS)
2066: {
2067: if (n->child != NULL &&
2068: n->child->type == ROFFT_TEXT)
2069: tag_put(n->child->string, 0, p->line);
2070: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 2071: return 1;
1.323 schwarze 2072: }
2073:
2074: static int
2075: termp_er_pre(DECL_ARGS)
2076: {
2077:
2078: if (n->sec == SEC_ERRORS &&
2079: (n->parent->tok == MDOC_It ||
2080: (n->parent->tok == MDOC_Bq &&
1.324 schwarze 2081: n->parent->parent->parent->tok == MDOC_It)))
2082: tag_put(n->child->string, 1, p->line);
1.328 schwarze 2083: return 1;
1.320 schwarze 2084: }
2085:
2086: static int
2087: termp_tag_pre(DECL_ARGS)
2088: {
2089:
2090: if (n->child != NULL &&
2091: n->child->type == ROFFT_TEXT &&
1.333 schwarze 2092: (n->prev == NULL ||
2093: (n->prev->type == ROFFT_TEXT &&
2094: strcmp(n->prev->string, "|") == 0)) &&
1.320 schwarze 2095: (n->parent->tok == MDOC_It ||
2096: (n->parent->tok == MDOC_Xo &&
2097: n->parent->parent->prev == NULL &&
1.324 schwarze 2098: n->parent->parent->parent->tok == MDOC_It)))
2099: tag_put(n->child->string, 1, p->line);
1.328 schwarze 2100: return 1;
1.84 kristaps 2101: }
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