Annotation of mandoc/mdoc_term.c, Revision 1.351
1.351 ! schwarze 1: /* $Id: mdoc_term.c,v 1.350 2017/04/24 23:06:18 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);
1.260 schwarze 109: static int termp_ll_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);
1.45 kristaps 119: static int termp_sp_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:
1.350 schwarze 128: static const struct termact __termacts[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 */
134: { termp_sp_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 */
1.268 schwarze 163: { termp_ft_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 */
1.264 schwarze 236: { termp_sp_pre, NULL }, /* Lp */
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: { termp_sp_pre, NULL }, /* sp */
248: { NULL, termp____post }, /* %U */
249: { NULL, NULL }, /* Ta */
1.260 schwarze 250: { termp_ll_pre, NULL }, /* ll */
1.1 kristaps 251: };
1.350 schwarze 252: static const struct termact *const termacts = __termacts - MDOC_Dd;
1.1 kristaps 253:
1.322 schwarze 254: static int fn_prio;
1.1 kristaps 255:
1.350 schwarze 256:
1.70 kristaps 257: void
1.318 schwarze 258: terminal_mdoc(void *arg, const struct roff_man *mdoc)
1.1 kristaps 259: {
1.315 schwarze 260: struct roff_node *n;
1.89 kristaps 261: struct termp *p;
1.342 schwarze 262: size_t save_defindent;
1.89 kristaps 263:
264: p = (struct termp *)arg;
1.111 kristaps 265: p->overstep = 0;
1.281 schwarze 266: p->rmargin = p->maxrmargin = p->defrmargin;
1.157 kristaps 267: p->tabwidth = term_len(p, 5);
1.70 kristaps 268:
1.319 schwarze 269: n = mdoc->first->child;
1.281 schwarze 270: if (p->synopsisonly) {
271: while (n != NULL) {
272: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
273: if (n->child->next->child != NULL)
274: print_mdoc_nodelist(p, NULL,
1.319 schwarze 275: &mdoc->meta,
276: n->child->next->child);
1.281 schwarze 277: term_newln(p);
278: break;
279: }
280: n = n->next;
281: }
282: } else {
1.342 schwarze 283: save_defindent = p->defindent;
1.281 schwarze 284: if (p->defindent == 0)
285: p->defindent = 5;
1.319 schwarze 286: term_begin(p, print_mdoc_head, print_mdoc_foot,
287: &mdoc->meta);
1.337 schwarze 288: while (n != NULL && n->flags & NODE_NOPRT)
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: {
1.102 kristaps 313: int chld;
1.1 kristaps 314: struct termpair npair;
1.30 kristaps 315: size_t offset, rmargin;
1.1 kristaps 316:
1.337 schwarze 317: if (n->flags & NODE_NOPRT)
318: return;
319:
1.70 kristaps 320: chld = 1;
1.29 kristaps 321: offset = p->offset;
1.30 kristaps 322: rmargin = p->rmargin;
1.338 schwarze 323: n->flags &= ~NODE_ENDED;
1.305 schwarze 324: n->prev_font = p->fonti;
1.29 kristaps 325:
1.97 kristaps 326: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 327: npair.ppair = pair;
1.172 kristaps 328:
329: /*
330: * Keeps only work until the end of a line. If a keep was
331: * invoked in a prior line, revert it to PREKEEP.
332: */
333:
1.338 schwarze 334: if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
1.307 schwarze 335: p->flags &= ~TERMP_KEEP;
336: p->flags |= TERMP_PREKEEP;
1.172 kristaps 337: }
1.197 schwarze 338:
339: /*
1.217 schwarze 340: * After the keep flags have been set up, we may now
341: * produce output. Note that some pre-handlers do so.
342: */
343:
344: switch (n->type) {
1.314 schwarze 345: case ROFFT_TEXT:
1.338 schwarze 346: if (' ' == *n->string && NODE_LINE & n->flags)
1.217 schwarze 347: term_newln(p);
1.338 schwarze 348: if (NODE_DELIMC & n->flags)
1.222 kristaps 349: p->flags |= TERMP_NOSPACE;
1.217 schwarze 350: term_word(p, n->string);
1.338 schwarze 351: if (NODE_DELIMO & n->flags)
1.222 kristaps 352: p->flags |= TERMP_NOSPACE;
1.217 schwarze 353: break;
1.314 schwarze 354: case ROFFT_EQN:
1.338 schwarze 355: if ( ! (n->flags & NODE_LINE))
1.284 schwarze 356: p->flags |= TERMP_NOSPACE;
1.233 kristaps 357: term_eqn(p, n->eqn);
1.338 schwarze 358: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.285 schwarze 359: p->flags |= TERMP_NOSPACE;
1.217 schwarze 360: break;
1.314 schwarze 361: case ROFFT_TBL:
1.313 schwarze 362: if (p->tbl.cols == NULL)
363: term_newln(p);
1.217 schwarze 364: term_tbl(p, n->span);
365: break;
366: default:
1.351 ! schwarze 367: if (n->tok < ROFF_MAX) {
! 368: switch (n->tok) {
! 369: case ROFF_br:
! 370: termp_sp_pre(p, &npair, meta, n);
! 371: break;
! 372: default:
! 373: abort();
! 374: }
! 375: break;
! 376: }
! 377: assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
1.350 schwarze 378: if (termacts[n->tok].pre != NULL &&
1.331 schwarze 379: (n->end == ENDBODY_NOT || n->child != NULL))
1.217 schwarze 380: chld = (*termacts[n->tok].pre)
1.245 schwarze 381: (p, &npair, meta, n);
1.217 schwarze 382: break;
383: }
384:
1.86 kristaps 385: if (chld && n->child)
1.245 schwarze 386: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 387:
1.244 schwarze 388: term_fontpopq(p,
1.310 schwarze 389: (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.46 kristaps 390:
1.206 kristaps 391: switch (n->type) {
1.314 schwarze 392: case ROFFT_TEXT:
1.206 kristaps 393: break;
1.314 schwarze 394: case ROFFT_TBL:
1.216 kristaps 395: break;
1.314 schwarze 396: case ROFFT_EQN:
1.206 kristaps 397: break;
398: default:
1.351 ! schwarze 399: if (n->tok < ROFF_MAX ||
! 400: termacts[n->tok].post == NULL ||
! 401: n->flags & NODE_ENDED)
1.206 kristaps 402: break;
1.245 schwarze 403: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162 schwarze 404:
405: /*
406: * Explicit end tokens not only call the post
407: * handler, but also tell the respective block
408: * that it must not call the post handler again.
409: */
1.165 kristaps 410: if (ENDBODY_NOT != n->end)
1.338 schwarze 411: n->body->flags |= NODE_ENDED;
1.206 kristaps 412: break;
1.162 schwarze 413: }
1.121 kristaps 414:
1.338 schwarze 415: if (NODE_EOS & n->flags)
1.121 kristaps 416: p->flags |= TERMP_SENTENCE;
1.29 kristaps 417:
1.260 schwarze 418: if (MDOC_ll != n->tok) {
419: p->offset = offset;
420: p->rmargin = rmargin;
421: }
1.1 kristaps 422: }
423:
1.3 kristaps 424: static void
1.316 schwarze 425: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 426: {
1.292 schwarze 427: size_t sz;
1.144 kristaps 428:
1.102 kristaps 429: term_fontrepl(p, TERMFONT_NONE);
1.101 kristaps 430:
1.264 schwarze 431: /*
1.9 kristaps 432: * Output the footer in new-groff style, that is, three columns
433: * with the middle being the manual date and flanking columns
434: * being the operating system:
435: *
436: * SYSTEM DATE SYSTEM
437: */
438:
1.1 kristaps 439: term_vspace(p);
440:
1.9 kristaps 441: p->offset = 0;
1.292 schwarze 442: sz = term_strlen(p, meta->date);
443: p->rmargin = p->maxrmargin > sz ?
444: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.250 schwarze 445: p->trailspace = 1;
1.1 kristaps 446: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
447:
1.245 schwarze 448: term_word(p, meta->os);
1.1 kristaps 449: term_flushln(p);
450:
1.9 kristaps 451: p->offset = p->rmargin;
1.292 schwarze 452: sz = term_strlen(p, meta->os);
453: p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.234 schwarze 454: p->flags |= TERMP_NOSPACE;
1.9 kristaps 455:
1.245 schwarze 456: term_word(p, meta->date);
1.9 kristaps 457: term_flushln(p);
458:
1.1 kristaps 459: p->offset = p->rmargin;
460: p->rmargin = p->maxrmargin;
1.250 schwarze 461: p->trailspace = 0;
1.1 kristaps 462: p->flags &= ~TERMP_NOBREAK;
1.234 schwarze 463: p->flags |= TERMP_NOSPACE;
1.1 kristaps 464:
1.245 schwarze 465: term_word(p, meta->os);
1.1 kristaps 466: term_flushln(p);
467:
1.9 kristaps 468: p->offset = 0;
469: p->rmargin = p->maxrmargin;
470: p->flags = 0;
1.1 kristaps 471: }
472:
1.3 kristaps 473: static void
1.316 schwarze 474: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 475: {
1.267 schwarze 476: char *volume, *title;
477: size_t vollen, titlen;
1.1 kristaps 478:
479: /*
480: * The header is strange. It has three components, which are
481: * really two with the first duplicated. It goes like this:
482: *
483: * IDENTIFIER TITLE IDENTIFIER
484: *
485: * The IDENTIFIER is NAME(SECTION), which is the command-name
486: * (if given, or "unknown" if not) followed by the manual page
487: * section. These are given in `Dt'. The TITLE is a free-form
488: * string depending on the manual volume. If not specified, it
489: * switches on the manual section.
490: */
1.235 schwarze 491:
1.245 schwarze 492: assert(meta->vol);
1.267 schwarze 493: if (NULL == meta->arch)
494: volume = mandoc_strdup(meta->vol);
495: else
496: mandoc_asprintf(&volume, "%s (%s)",
497: meta->vol, meta->arch);
498: vollen = term_strlen(p, volume);
1.1 kristaps 499:
1.275 schwarze 500: if (NULL == meta->msec)
501: title = mandoc_strdup(meta->title);
502: else
503: mandoc_asprintf(&title, "%s(%s)",
504: meta->title, meta->msec);
1.235 schwarze 505: titlen = term_strlen(p, title);
1.1 kristaps 506:
1.235 schwarze 507: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250 schwarze 508: p->trailspace = 1;
1.1 kristaps 509: p->offset = 0;
1.267 schwarze 510: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
511: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.292 schwarze 512: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 513:
514: term_word(p, title);
515: term_flushln(p);
516:
1.235 schwarze 517: p->flags |= TERMP_NOSPACE;
1.1 kristaps 518: p->offset = p->rmargin;
1.267 schwarze 519: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235 schwarze 520: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 521:
1.267 schwarze 522: term_word(p, volume);
1.1 kristaps 523: term_flushln(p);
524:
525: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 526: p->trailspace = 0;
1.235 schwarze 527: if (p->rmargin + titlen <= p->maxrmargin) {
528: p->flags |= TERMP_NOSPACE;
529: p->offset = p->rmargin;
530: p->rmargin = p->maxrmargin;
531: term_word(p, title);
532: term_flushln(p);
533: }
1.1 kristaps 534:
1.235 schwarze 535: p->flags &= ~TERMP_NOSPACE;
1.9 kristaps 536: p->offset = 0;
1.1 kristaps 537: p->rmargin = p->maxrmargin;
1.266 schwarze 538: free(title);
1.267 schwarze 539: free(volume);
1.1 kristaps 540: }
541:
1.302 schwarze 542: static int
1.157 kristaps 543: a2width(const struct termp *p, const char *v)
1.91 kristaps 544: {
1.92 kristaps 545: struct roffsu su;
1.1 kristaps 546:
1.300 schwarze 547: if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.157 kristaps 548: SCALE_HS_INIT(&su, term_strlen(p, v));
1.283 schwarze 549: su.scale /= term_strlen(p, "0");
1.302 schwarze 550: }
1.328 schwarze 551: return term_hspan(p, &su) / 24;
1.1 kristaps 552: }
553:
1.108 kristaps 554: /*
555: * Determine how much space to print out before block elements of `It'
556: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
557: * too.
558: */
1.54 kristaps 559: static void
1.264 schwarze 560: print_bvspace(struct termp *p,
1.315 schwarze 561: const struct roff_node *bl,
562: const struct roff_node *n)
1.1 kristaps 563: {
1.315 schwarze 564: const struct roff_node *nn;
1.236 schwarze 565:
566: assert(n);
1.1 kristaps 567:
568: term_newln(p);
1.150 kristaps 569:
1.202 kristaps 570: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150 kristaps 571: return;
1.202 kristaps 572: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54 kristaps 573: return;
574:
1.85 kristaps 575: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 576:
1.289 schwarze 577: nn = n;
1.337 schwarze 578: while (nn->prev != NULL && nn->prev->flags & NODE_NOPRT)
579: nn = nn->prev;
1.289 schwarze 580: while (nn->prev == NULL) {
581: do {
582: nn = nn->parent;
1.314 schwarze 583: if (nn->type == ROFFT_ROOT)
1.289 schwarze 584: return;
1.314 schwarze 585: } while (nn->type != ROFFT_BLOCK);
1.289 schwarze 586: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.54 kristaps 587: return;
1.289 schwarze 588: if (nn->tok == MDOC_It &&
589: nn->parent->parent->norm->Bl.type != LIST_item)
590: break;
1.1 kristaps 591: }
592:
1.85 kristaps 593: /* A `-column' does not assert vspace within the list. */
1.54 kristaps 594:
1.202 kristaps 595: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86 kristaps 596: if (n->prev && MDOC_It == n->prev->tok)
1.54 kristaps 597: return;
598:
1.85 kristaps 599: /* A `-diag' without body does not vspace. */
600:
1.202 kristaps 601: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86 kristaps 602: if (n->prev && MDOC_It == n->prev->tok) {
603: assert(n->prev->body);
604: if (NULL == n->prev->body->child)
1.55 kristaps 605: return;
606: }
607:
1.54 kristaps 608: term_vspace(p);
1.260 schwarze 609: }
610:
611:
612: static int
613: termp_ll_pre(DECL_ARGS)
614: {
615:
1.331 schwarze 616: term_setwidth(p, n->child != NULL ? n->child->string : NULL);
1.328 schwarze 617: return 0;
1.1 kristaps 618: }
619:
620: static int
621: termp_it_pre(DECL_ARGS)
622: {
1.345 schwarze 623: struct roffsu su;
1.302 schwarze 624: char buf[24];
1.315 schwarze 625: const struct roff_node *bl, *nn;
1.302 schwarze 626: size_t ncols, dcol;
627: int i, offset, width;
1.126 kristaps 628: enum mdoc_list type;
1.1 kristaps 629:
1.314 schwarze 630: if (n->type == ROFFT_BLOCK) {
1.151 kristaps 631: print_bvspace(p, n->parent->parent, n);
1.328 schwarze 632: return 1;
1.54 kristaps 633: }
1.1 kristaps 634:
1.86 kristaps 635: bl = n->parent->parent->parent;
1.202 kristaps 636: type = bl->norm->Bl.type;
1.1 kristaps 637:
1.264 schwarze 638: /*
1.302 schwarze 639: * Defaults for specific list types.
640: */
641:
642: switch (type) {
643: case LIST_bullet:
644: case LIST_dash:
645: case LIST_hyphen:
646: case LIST_enum:
647: width = term_len(p, 2);
648: break;
649: case LIST_hang:
1.332 schwarze 650: case LIST_tag:
1.302 schwarze 651: width = term_len(p, 8);
652: break;
653: case LIST_column:
654: width = term_len(p, 10);
655: break;
656: default:
657: width = 0;
658: break;
659: }
660: offset = 0;
661:
662: /*
1.108 kristaps 663: * First calculate width and offset. This is pretty easy unless
664: * we're a -column list, in which case all prior columns must
665: * be accounted for.
666: */
667:
1.302 schwarze 668: if (bl->norm->Bl.offs != NULL) {
1.288 schwarze 669: offset = a2width(p, bl->norm->Bl.offs);
1.302 schwarze 670: if (offset < 0 && (size_t)(-offset) > p->offset)
671: offset = -p->offset;
672: else if (offset > SHRT_MAX)
673: offset = 0;
674: }
1.152 kristaps 675:
1.1 kristaps 676: switch (type) {
1.264 schwarze 677: case LIST_column:
1.314 schwarze 678: if (n->type == ROFFT_HEAD)
1.1 kristaps 679: break;
1.155 kristaps 680:
1.105 kristaps 681: /*
1.108 kristaps 682: * Imitate groff's column handling:
683: * - For each earlier column, add its width.
684: * - For less than 5 columns, add four more blanks per
685: * column.
686: * - For exactly 5 columns, add three more blank per
687: * column.
688: * - For more than 5 columns, add only one column.
1.105 kristaps 689: */
1.202 kristaps 690: ncols = bl->norm->Bl.ncols;
1.264 schwarze 691: dcol = ncols < 5 ? term_len(p, 4) :
692: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108 kristaps 693:
1.134 kristaps 694: /*
1.314 schwarze 695: * Calculate the offset by applying all prior ROFFT_BODY,
696: * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.134 kristaps 697: */
698:
1.264 schwarze 699: for (i = 0, nn = n->prev;
700: nn->prev && i < (int)ncols;
1.345 schwarze 701: nn = nn->prev, i++) {
702: SCALE_HS_INIT(&su,
703: term_strlen(p, bl->norm->Bl.cols[i]));
704: su.scale /= term_strlen(p, "0");
705: offset += term_hspan(p, &su) / 24 + dcol;
706: }
1.105 kristaps 707:
708: /*
1.108 kristaps 709: * When exceeding the declared number of columns, leave
710: * the remaining widths at 0. This will later be
711: * adjusted to the default width of 10, or, for the last
712: * column, stretched to the right margin.
1.58 kristaps 713: */
1.108 kristaps 714: if (i >= (int)ncols)
715: break;
1.58 kristaps 716:
1.105 kristaps 717: /*
1.108 kristaps 718: * Use the declared column widths, extended as explained
719: * in the preceding paragraph.
1.105 kristaps 720: */
1.345 schwarze 721: SCALE_HS_INIT(&su, term_strlen(p, bl->norm->Bl.cols[i]));
722: su.scale /= term_strlen(p, "0");
723: width = term_hspan(p, &su) / 24 + dcol;
1.1 kristaps 724: break;
725: default:
1.202 kristaps 726: if (NULL == bl->norm->Bl.width)
1.108 kristaps 727: break;
728:
1.264 schwarze 729: /*
1.108 kristaps 730: * Note: buffer the width by 2, which is groff's magic
731: * number for buffering single arguments. See the above
732: * handling for column for how this changes.
733: */
1.202 kristaps 734: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.302 schwarze 735: if (width < 0 && (size_t)(-width) > p->offset)
736: width = -p->offset;
737: else if (width > SHRT_MAX)
738: width = 0;
1.1 kristaps 739: break;
740: }
741:
1.264 schwarze 742: /*
1.17 kristaps 743: * Whitespace control. Inset bodies need an initial space,
744: * while diagonal bodies need two.
1.1 kristaps 745: */
746:
1.51 kristaps 747: p->flags |= TERMP_NOSPACE;
748:
1.1 kristaps 749: switch (type) {
1.264 schwarze 750: case LIST_diag:
1.314 schwarze 751: if (n->type == ROFFT_BODY)
1.62 kristaps 752: term_word(p, "\\ \\ ");
1.51 kristaps 753: break;
1.264 schwarze 754: case LIST_inset:
1.331 schwarze 755: if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.51 kristaps 756: term_word(p, "\\ ");
1.1 kristaps 757: break;
758: default:
759: break;
760: }
761:
1.51 kristaps 762: p->flags |= TERMP_NOSPACE;
763:
1.1 kristaps 764: switch (type) {
1.264 schwarze 765: case LIST_diag:
1.314 schwarze 766: if (n->type == ROFFT_HEAD)
1.102 kristaps 767: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 768: break;
769: default:
770: break;
771: }
772:
773: /*
1.109 kristaps 774: * Pad and break control. This is the tricky part. These flags
775: * are documented in term_flushln() in term.c. Note that we're
776: * going to unset all of these flags in termp_it_post() when we
777: * exit.
1.1 kristaps 778: */
779:
780: switch (type) {
1.264 schwarze 781: case LIST_enum:
1.329 schwarze 782: case LIST_bullet:
783: case LIST_dash:
784: case LIST_hyphen:
1.242 schwarze 785: /*
786: * Weird special case.
1.302 schwarze 787: * Some very narrow lists actually hang.
1.242 schwarze 788: */
1.302 schwarze 789: if (width <= (int)term_len(p, 2))
790: p->flags |= TERMP_HANG;
1.314 schwarze 791: if (n->type != ROFFT_HEAD)
1.250 schwarze 792: break;
793: p->flags |= TERMP_NOBREAK;
794: p->trailspace = 1;
1.39 kristaps 795: break;
1.264 schwarze 796: case LIST_hang:
1.314 schwarze 797: if (n->type != ROFFT_HEAD)
1.59 kristaps 798: break;
799:
800: /*
801: * This is ugly. If `-hang' is specified and the body
802: * is a `Bl' or `Bd', then we want basically to nullify
803: * the "overstep" effect in term_flushln() and treat
804: * this as a `-ohang' list instead.
805: */
1.279 schwarze 806: if (NULL != n->next &&
1.278 schwarze 807: NULL != n->next->child &&
808: (MDOC_Bl == n->next->child->tok ||
809: MDOC_Bd == n->next->child->tok))
1.250 schwarze 810: break;
811:
1.263 schwarze 812: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250 schwarze 813: p->trailspace = 1;
1.39 kristaps 814: break;
1.264 schwarze 815: case LIST_tag:
1.314 schwarze 816: if (n->type != ROFFT_HEAD)
1.39 kristaps 817: break;
1.250 schwarze 818:
1.326 schwarze 819: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.250 schwarze 820: p->trailspace = 2;
821:
1.86 kristaps 822: if (NULL == n->next || NULL == n->next->child)
1.39 kristaps 823: p->flags |= TERMP_DANGLE;
1.1 kristaps 824: break;
1.264 schwarze 825: case LIST_column:
1.314 schwarze 826: if (n->type == ROFFT_HEAD)
1.134 kristaps 827: break;
828:
1.250 schwarze 829: if (NULL == n->next) {
1.134 kristaps 830: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 831: p->trailspace = 0;
832: } else {
1.134 kristaps 833: p->flags |= TERMP_NOBREAK;
1.250 schwarze 834: p->trailspace = 1;
835: }
1.134 kristaps 836:
1.1 kristaps 837: break;
1.264 schwarze 838: case LIST_diag:
1.314 schwarze 839: if (n->type != ROFFT_HEAD)
1.250 schwarze 840: break;
1.263 schwarze 841: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 842: p->trailspace = 1;
1.1 kristaps 843: break;
844: default:
845: break;
846: }
847:
1.264 schwarze 848: /*
1.1 kristaps 849: * Margin control. Set-head-width lists have their right
850: * margins shortened. The body for these lists has the offset
851: * necessarily lengthened. Everybody gets the offset.
852: */
853:
854: p->offset += offset;
855:
856: switch (type) {
1.264 schwarze 857: case LIST_hang:
1.59 kristaps 858: /*
859: * Same stipulation as above, regarding `-hang'. We
860: * don't want to recalculate rmargin and offsets when
861: * using `Bd' or `Bl' within `-hang' overstep lists.
862: */
1.314 schwarze 863: if (n->type == ROFFT_HEAD &&
1.279 schwarze 864: NULL != n->next &&
1.278 schwarze 865: NULL != n->next->child &&
866: (MDOC_Bl == n->next->child->tok ||
867: MDOC_Bd == n->next->child->tok))
1.59 kristaps 868: break;
869: /* FALLTHROUGH */
1.264 schwarze 870: case LIST_bullet:
871: case LIST_dash:
872: case LIST_enum:
873: case LIST_hyphen:
874: case LIST_tag:
1.314 schwarze 875: if (n->type == ROFFT_HEAD)
1.1 kristaps 876: p->rmargin = p->offset + width;
1.292 schwarze 877: else
1.1 kristaps 878: p->offset += width;
879: break;
1.264 schwarze 880: case LIST_column:
1.49 kristaps 881: assert(width);
1.1 kristaps 882: p->rmargin = p->offset + width;
1.264 schwarze 883: /*
1.50 kristaps 884: * XXX - this behaviour is not documented: the
885: * right-most column is filled to the right margin.
886: */
1.314 schwarze 887: if (n->type == ROFFT_HEAD)
1.134 kristaps 888: break;
889: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50 kristaps 890: p->rmargin = p->maxrmargin;
1.1 kristaps 891: break;
892: default:
893: break;
894: }
895:
1.264 schwarze 896: /*
1.1 kristaps 897: * The dash, hyphen, bullet and enum lists all have a special
1.264 schwarze 898: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 899: */
900:
1.314 schwarze 901: if (n->type == ROFFT_HEAD)
1.1 kristaps 902: switch (type) {
1.264 schwarze 903: case LIST_bullet:
1.102 kristaps 904: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 905: term_word(p, "\\[bu]");
1.102 kristaps 906: term_fontpop(p);
1.1 kristaps 907: break;
1.264 schwarze 908: case LIST_dash:
909: case LIST_hyphen:
1.102 kristaps 910: term_fontpush(p, TERMFONT_BOLD);
1.330 schwarze 911: term_word(p, "-");
1.102 kristaps 912: term_fontpop(p);
1.1 kristaps 913: break;
1.264 schwarze 914: case LIST_enum:
1.1 kristaps 915: (pair->ppair->ppair->count)++;
1.265 schwarze 916: (void)snprintf(buf, sizeof(buf), "%d.",
1.264 schwarze 917: pair->ppair->ppair->count);
1.1 kristaps 918: term_word(p, buf);
919: break;
920: default:
921: break;
922: }
923:
1.264 schwarze 924: /*
1.1 kristaps 925: * If we're not going to process our children, indicate so here.
926: */
927:
928: switch (type) {
1.264 schwarze 929: case LIST_bullet:
930: case LIST_item:
931: case LIST_dash:
932: case LIST_hyphen:
933: case LIST_enum:
1.314 schwarze 934: if (n->type == ROFFT_HEAD)
1.328 schwarze 935: return 0;
1.1 kristaps 936: break;
1.264 schwarze 937: case LIST_column:
1.314 schwarze 938: if (n->type == ROFFT_HEAD)
1.328 schwarze 939: return 0;
1.1 kristaps 940: break;
941: default:
942: break;
943: }
944:
1.328 schwarze 945: return 1;
1.1 kristaps 946: }
947:
948: static void
949: termp_it_post(DECL_ARGS)
950: {
1.126 kristaps 951: enum mdoc_list type;
1.1 kristaps 952:
1.314 schwarze 953: if (n->type == ROFFT_BLOCK)
1.1 kristaps 954: return;
955:
1.202 kristaps 956: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 957:
958: switch (type) {
1.264 schwarze 959: case LIST_item:
960: case LIST_diag:
961: case LIST_inset:
1.314 schwarze 962: if (n->type == ROFFT_BODY)
1.130 schwarze 963: term_newln(p);
1.1 kristaps 964: break;
1.264 schwarze 965: case LIST_column:
1.314 schwarze 966: if (n->type == ROFFT_BODY)
1.1 kristaps 967: term_flushln(p);
968: break;
969: default:
1.130 schwarze 970: term_newln(p);
1.1 kristaps 971: break;
972: }
973:
1.264 schwarze 974: /*
1.109 kristaps 975: * Now that our output is flushed, we can reset our tags. Since
976: * only `It' sets these flags, we're free to assume that nobody
977: * has munged them in the meanwhile.
978: */
979:
1.326 schwarze 980: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND |
1.263 schwarze 981: TERMP_DANGLE | TERMP_HANG);
1.250 schwarze 982: p->trailspace = 0;
1.1 kristaps 983: }
984:
985: static int
986: termp_nm_pre(DECL_ARGS)
987: {
1.296 schwarze 988: const char *cp;
1.1 kristaps 989:
1.314 schwarze 990: if (n->type == ROFFT_BLOCK) {
1.253 schwarze 991: p->flags |= TERMP_PREKEEP;
1.328 schwarze 992: return 1;
1.253 schwarze 993: }
1.164 schwarze 994:
1.314 schwarze 995: if (n->type == ROFFT_BODY) {
1.164 schwarze 996: if (NULL == n->child)
1.328 schwarze 997: return 0;
1.234 schwarze 998: p->flags |= TERMP_NOSPACE;
1.296 schwarze 999: cp = NULL;
1000: if (n->prev->child != NULL)
1001: cp = n->prev->child->string;
1002: if (cp == NULL)
1003: cp = meta->name;
1004: if (cp == NULL)
1005: p->offset += term_len(p, 6);
1006: else
1007: p->offset += term_len(p, 1) + term_strlen(p, cp);
1.328 schwarze 1008: return 1;
1.164 schwarze 1009: }
1010:
1.343 schwarze 1011: if (n->child == NULL)
1.328 schwarze 1012: return 0;
1.125 kristaps 1013:
1.314 schwarze 1014: if (n->type == ROFFT_HEAD)
1.177 schwarze 1015: synopsis_pre(p, n->parent);
1.102 kristaps 1016:
1.314 schwarze 1017: if (n->type == ROFFT_HEAD &&
1.278 schwarze 1018: NULL != n->next && NULL != n->next->child) {
1.263 schwarze 1019: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 1020: p->trailspace = 1;
1.185 schwarze 1021: p->rmargin = p->offset + term_len(p, 1);
1022: if (NULL == n->child) {
1.245 schwarze 1023: p->rmargin += term_strlen(p, meta->name);
1.314 schwarze 1024: } else if (n->child->type == ROFFT_TEXT) {
1.185 schwarze 1025: p->rmargin += term_strlen(p, n->child->string);
1026: if (n->child->next)
1027: p->flags |= TERMP_HANG;
1028: } else {
1029: p->rmargin += term_len(p, 5);
1030: p->flags |= TERMP_HANG;
1031: }
1.164 schwarze 1032: }
1033:
1.102 kristaps 1034: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1035: return 1;
1.1 kristaps 1036: }
1037:
1.164 schwarze 1038: static void
1039: termp_nm_post(DECL_ARGS)
1040: {
1041:
1.314 schwarze 1042: if (n->type == ROFFT_BLOCK) {
1.253 schwarze 1043: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.314 schwarze 1044: } else if (n->type == ROFFT_HEAD &&
1.278 schwarze 1045: NULL != n->next && NULL != n->next->child) {
1.164 schwarze 1046: term_flushln(p);
1.263 schwarze 1047: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 1048: p->trailspace = 0;
1.314 schwarze 1049: } else if (n->type == ROFFT_BODY && n->child != NULL)
1.164 schwarze 1050: term_flushln(p);
1051: }
1052:
1.1 kristaps 1053: static int
1054: termp_fl_pre(DECL_ARGS)
1055: {
1056:
1.320 schwarze 1057: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1058: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1059: term_word(p, "\\-");
1.103 kristaps 1060:
1.331 schwarze 1061: if (!(n->child == NULL &&
1.280 schwarze 1062: (n->next == NULL ||
1.314 schwarze 1063: n->next->type == ROFFT_TEXT ||
1.338 schwarze 1064: n->next->flags & NODE_LINE)))
1.103 kristaps 1065: p->flags |= TERMP_NOSPACE;
1066:
1.328 schwarze 1067: return 1;
1.1 kristaps 1068: }
1069:
1070: static int
1.184 kristaps 1071: termp__a_pre(DECL_ARGS)
1072: {
1073:
1074: if (n->prev && MDOC__A == n->prev->tok)
1075: if (NULL == n->next || MDOC__A != n->next->tok)
1076: term_word(p, "and");
1077:
1.328 schwarze 1078: return 1;
1.184 kristaps 1079: }
1080:
1081: static int
1.61 kristaps 1082: termp_an_pre(DECL_ARGS)
1083: {
1084:
1.282 schwarze 1085: if (n->norm->An.auth == AUTH_split) {
1086: p->flags &= ~TERMP_NOSPLIT;
1087: p->flags |= TERMP_SPLIT;
1.328 schwarze 1088: return 0;
1.282 schwarze 1089: }
1090: if (n->norm->An.auth == AUTH_nosplit) {
1091: p->flags &= ~TERMP_SPLIT;
1092: p->flags |= TERMP_NOSPLIT;
1.328 schwarze 1093: return 0;
1.282 schwarze 1094: }
1.264 schwarze 1095:
1.282 schwarze 1096: if (p->flags & TERMP_SPLIT)
1.61 kristaps 1097: term_newln(p);
1098:
1.282 schwarze 1099: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1100: p->flags |= TERMP_SPLIT;
1.61 kristaps 1101:
1.328 schwarze 1102: return 1;
1.61 kristaps 1103: }
1104:
1105: static int
1.1 kristaps 1106: termp_ns_pre(DECL_ARGS)
1107: {
1108:
1.338 schwarze 1109: if ( ! (NODE_LINE & n->flags))
1.215 kristaps 1110: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1111: return 1;
1.1 kristaps 1112: }
1113:
1114: static int
1115: termp_rs_pre(DECL_ARGS)
1116: {
1117:
1.86 kristaps 1118: if (SEC_SEE_ALSO != n->sec)
1.328 schwarze 1119: return 1;
1.314 schwarze 1120: if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1 kristaps 1121: term_vspace(p);
1.328 schwarze 1122: return 1;
1.1 kristaps 1123: }
1124:
1125: static int
1126: termp_ex_pre(DECL_ARGS)
1127: {
1.224 kristaps 1128: term_newln(p);
1.341 schwarze 1129: return 1;
1.1 kristaps 1130: }
1131:
1132: static int
1133: termp_nd_pre(DECL_ARGS)
1134: {
1.25 kristaps 1135:
1.314 schwarze 1136: if (n->type == ROFFT_BODY)
1.297 schwarze 1137: term_word(p, "\\(en");
1.328 schwarze 1138: return 1;
1.115 kristaps 1139: }
1140:
1141: static int
1142: termp_bl_pre(DECL_ARGS)
1143: {
1144:
1.328 schwarze 1145: return n->type != ROFFT_HEAD;
1.1 kristaps 1146: }
1147:
1148: static void
1149: termp_bl_post(DECL_ARGS)
1150: {
1151:
1.314 schwarze 1152: if (n->type == ROFFT_BLOCK)
1.1 kristaps 1153: term_newln(p);
1154: }
1155:
1156: static int
1157: termp_xr_pre(DECL_ARGS)
1158: {
1159:
1.225 kristaps 1160: if (NULL == (n = n->child))
1.328 schwarze 1161: return 0;
1.113 kristaps 1162:
1.314 schwarze 1163: assert(n->type == ROFFT_TEXT);
1.225 kristaps 1164: term_word(p, n->string);
1.11 kristaps 1165:
1.264 schwarze 1166: if (NULL == (n = n->next))
1.328 schwarze 1167: return 0;
1.225 kristaps 1168:
1.1 kristaps 1169: p->flags |= TERMP_NOSPACE;
1170: term_word(p, "(");
1.222 kristaps 1171: p->flags |= TERMP_NOSPACE;
1.225 kristaps 1172:
1.314 schwarze 1173: assert(n->type == ROFFT_TEXT);
1.225 kristaps 1174: term_word(p, n->string);
1175:
1.222 kristaps 1176: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1177: term_word(p, ")");
1.86 kristaps 1178:
1.328 schwarze 1179: return 0;
1.1 kristaps 1180: }
1181:
1.143 kristaps 1182: /*
1183: * This decides how to assert whitespace before any of the SYNOPSIS set
1184: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1185: * macro combos).
1186: */
1187: static void
1.315 schwarze 1188: synopsis_pre(struct termp *p, const struct roff_node *n)
1.143 kristaps 1189: {
1.264 schwarze 1190: /*
1.143 kristaps 1191: * Obviously, if we're not in a SYNOPSIS or no prior macros
1192: * exist, do nothing.
1193: */
1.338 schwarze 1194: if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.143 kristaps 1195: return;
1196:
1197: /*
1198: * If we're the second in a pair of like elements, emit our
1199: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1200: * case we soldier on.
1201: */
1.264 schwarze 1202: if (n->prev->tok == n->tok &&
1203: MDOC_Ft != n->tok &&
1204: MDOC_Fo != n->tok &&
1205: MDOC_Fn != n->tok) {
1.143 kristaps 1206: term_newln(p);
1207: return;
1208: }
1209:
1210: /*
1211: * If we're one of the SYNOPSIS set and non-like pair-wise after
1212: * another (or Fn/Fo, which we've let slip through) then assert
1213: * vertical space, else only newline and move on.
1214: */
1215: switch (n->prev->tok) {
1.264 schwarze 1216: case MDOC_Fd:
1217: case MDOC_Fn:
1218: case MDOC_Fo:
1219: case MDOC_In:
1220: case MDOC_Vt:
1.143 kristaps 1221: term_vspace(p);
1222: break;
1.264 schwarze 1223: case MDOC_Ft:
1.143 kristaps 1224: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1225: term_vspace(p);
1226: break;
1227: }
1228: /* FALLTHROUGH */
1229: default:
1230: term_newln(p);
1231: break;
1232: }
1233: }
1234:
1.110 kristaps 1235: static int
1236: termp_vt_pre(DECL_ARGS)
1237: {
1238:
1.314 schwarze 1239: if (n->type == ROFFT_ELEM) {
1.143 kristaps 1240: synopsis_pre(p, n);
1.328 schwarze 1241: return termp_under_pre(p, pair, meta, n);
1.314 schwarze 1242: } else if (n->type == ROFFT_BLOCK) {
1.143 kristaps 1243: synopsis_pre(p, n);
1.328 schwarze 1244: return 1;
1.314 schwarze 1245: } else if (n->type == ROFFT_HEAD)
1.328 schwarze 1246: return 0;
1.110 kristaps 1247:
1.328 schwarze 1248: return termp_under_pre(p, pair, meta, n);
1.110 kristaps 1249: }
1250:
1.1 kristaps 1251: static int
1.69 kristaps 1252: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1253: {
1254:
1.320 schwarze 1255: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1256: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1257: return 1;
1.1 kristaps 1258: }
1259:
1.143 kristaps 1260: static int
1261: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1262: {
1263:
1.143 kristaps 1264: synopsis_pre(p, n);
1.328 schwarze 1265: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1266: }
1267:
1.241 schwarze 1268: static void
1269: termp_fd_post(DECL_ARGS)
1270: {
1271:
1272: term_newln(p);
1273: }
1274:
1.1 kristaps 1275: static int
1276: termp_sh_pre(DECL_ARGS)
1277: {
1.85 kristaps 1278:
1.86 kristaps 1279: switch (n->type) {
1.314 schwarze 1280: case ROFFT_BLOCK:
1.293 schwarze 1281: /*
1282: * Vertical space before sections, except
1283: * when the previous section was empty.
1284: */
1285: if (n->prev == NULL ||
1.322 schwarze 1286: n->prev->tok != MDOC_Sh ||
1.293 schwarze 1287: (n->prev->body != NULL &&
1288: n->prev->body->child != NULL))
1289: term_vspace(p);
1.65 kristaps 1290: break;
1.314 schwarze 1291: case ROFFT_HEAD:
1.102 kristaps 1292: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1293: break;
1.314 schwarze 1294: case ROFFT_BODY:
1.238 schwarze 1295: p->offset = term_len(p, p->defindent);
1.322 schwarze 1296: switch (n->sec) {
1297: case SEC_DESCRIPTION:
1298: fn_prio = 0;
1299: break;
1300: case SEC_AUTHORS:
1.239 schwarze 1301: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.322 schwarze 1302: break;
1303: default:
1304: break;
1305: }
1.1 kristaps 1306: break;
1307: default:
1308: break;
1309: }
1.328 schwarze 1310: return 1;
1.1 kristaps 1311: }
1312:
1313: static void
1314: termp_sh_post(DECL_ARGS)
1315: {
1316:
1.86 kristaps 1317: switch (n->type) {
1.314 schwarze 1318: case ROFFT_HEAD:
1.1 kristaps 1319: term_newln(p);
1320: break;
1.314 schwarze 1321: case ROFFT_BODY:
1.1 kristaps 1322: term_newln(p);
1323: p->offset = 0;
1324: break;
1325: default:
1326: break;
1327: }
1328: }
1329:
1330: static void
1331: termp_lb_post(DECL_ARGS)
1332: {
1333:
1.338 schwarze 1334: if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
1.81 kristaps 1335: term_newln(p);
1.1 kristaps 1336: }
1337:
1338: static int
1339: termp_d1_pre(DECL_ARGS)
1340: {
1341:
1.314 schwarze 1342: if (n->type != ROFFT_BLOCK)
1.328 schwarze 1343: return 1;
1.1 kristaps 1344: term_newln(p);
1.238 schwarze 1345: p->offset += term_len(p, p->defindent + 1);
1.328 schwarze 1346: return 1;
1.1 kristaps 1347: }
1348:
1349: static int
1350: termp_ft_pre(DECL_ARGS)
1351: {
1352:
1.338 schwarze 1353: /* NB: NODE_LINE does not effect this! */
1.143 kristaps 1354: synopsis_pre(p, n);
1.102 kristaps 1355: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 1356: return 1;
1.1 kristaps 1357: }
1358:
1359: static int
1360: termp_fn_pre(DECL_ARGS)
1361: {
1.257 schwarze 1362: size_t rmargin = 0;
1.226 kristaps 1363: int pretty;
1364:
1.338 schwarze 1365: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1366:
1.143 kristaps 1367: synopsis_pre(p, n);
1.139 kristaps 1368:
1.226 kristaps 1369: if (NULL == (n = n->child))
1.328 schwarze 1370: return 0;
1.226 kristaps 1371:
1.251 schwarze 1372: if (pretty) {
1373: rmargin = p->rmargin;
1.257 schwarze 1374: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 1375: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251 schwarze 1376: }
1377:
1.314 schwarze 1378: assert(n->type == ROFFT_TEXT);
1.102 kristaps 1379: term_fontpush(p, TERMFONT_BOLD);
1.226 kristaps 1380: term_word(p, n->string);
1.102 kristaps 1381: term_fontpop(p);
1.1 kristaps 1382:
1.336 schwarze 1383: if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.324 schwarze 1384: tag_put(n->string, ++fn_prio, p->line);
1.322 schwarze 1385:
1.251 schwarze 1386: if (pretty) {
1387: term_flushln(p);
1.263 schwarze 1388: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251 schwarze 1389: p->offset = p->rmargin;
1390: p->rmargin = rmargin;
1391: }
1392:
1.1 kristaps 1393: p->flags |= TERMP_NOSPACE;
1394: term_word(p, "(");
1.222 kristaps 1395: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1396:
1.226 kristaps 1397: for (n = n->next; n; n = n->next) {
1.314 schwarze 1398: assert(n->type == ROFFT_TEXT);
1.102 kristaps 1399: term_fontpush(p, TERMFONT_UNDER);
1.255 schwarze 1400: if (pretty)
1401: p->flags |= TERMP_NBRWORD;
1.226 kristaps 1402: term_word(p, n->string);
1.102 kristaps 1403: term_fontpop(p);
1404:
1.226 kristaps 1405: if (n->next) {
1.222 kristaps 1406: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1407: term_word(p, ",");
1.222 kristaps 1408: }
1.1 kristaps 1409: }
1410:
1.222 kristaps 1411: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1412: term_word(p, ")");
1413:
1.226 kristaps 1414: if (pretty) {
1.222 kristaps 1415: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1416: term_word(p, ";");
1.251 schwarze 1417: term_flushln(p);
1.222 kristaps 1418: }
1.1 kristaps 1419:
1.328 schwarze 1420: return 0;
1.1 kristaps 1421: }
1422:
1423: static int
1424: termp_fa_pre(DECL_ARGS)
1425: {
1.315 schwarze 1426: const struct roff_node *nn;
1.1 kristaps 1427:
1.86 kristaps 1428: if (n->parent->tok != MDOC_Fo) {
1.102 kristaps 1429: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 1430: return 1;
1.1 kristaps 1431: }
1432:
1.86 kristaps 1433: for (nn = n->child; nn; nn = nn->next) {
1.102 kristaps 1434: term_fontpush(p, TERMFONT_UNDER);
1.258 schwarze 1435: p->flags |= TERMP_NBRWORD;
1.86 kristaps 1436: term_word(p, nn->string);
1.102 kristaps 1437: term_fontpop(p);
1438:
1.256 schwarze 1439: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222 kristaps 1440: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1441: term_word(p, ",");
1.222 kristaps 1442: }
1.1 kristaps 1443: }
1444:
1.328 schwarze 1445: return 0;
1.1 kristaps 1446: }
1447:
1448: static int
1449: termp_bd_pre(DECL_ARGS)
1450: {
1.272 schwarze 1451: size_t tabwidth, lm, len, rm, rmax;
1.315 schwarze 1452: struct roff_node *nn;
1.302 schwarze 1453: int offset;
1.1 kristaps 1454:
1.314 schwarze 1455: if (n->type == ROFFT_BLOCK) {
1.151 kristaps 1456: print_bvspace(p, n, n);
1.328 schwarze 1457: return 1;
1.314 schwarze 1458: } else if (n->type == ROFFT_HEAD)
1.328 schwarze 1459: return 0;
1.1 kristaps 1460:
1.288 schwarze 1461: /* Handle the -offset argument. */
1462:
1463: if (n->norm->Bd.offs == NULL ||
1464: ! strcmp(n->norm->Bd.offs, "left"))
1465: /* nothing */;
1466: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1467: p->offset += term_len(p, p->defindent + 1);
1468: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1469: p->offset += term_len(p, (p->defindent + 1) * 2);
1.302 schwarze 1470: else {
1471: offset = a2width(p, n->norm->Bd.offs);
1472: if (offset < 0 && (size_t)(-offset) > p->offset)
1473: p->offset = 0;
1474: else if (offset < SHRT_MAX)
1475: p->offset += offset;
1476: }
1.85 kristaps 1477:
1478: /*
1479: * If -ragged or -filled are specified, the block does nothing
1480: * but change the indentation. If -unfilled or -literal are
1481: * specified, text is printed exactly as entered in the display:
1482: * for macro lines, a newline is appended to the line. Blank
1483: * lines are allowed.
1484: */
1.264 schwarze 1485:
1486: if (DISP_literal != n->norm->Bd.type &&
1.272 schwarze 1487: DISP_unfilled != n->norm->Bd.type &&
1488: DISP_centered != n->norm->Bd.type)
1.328 schwarze 1489: return 1;
1.1 kristaps 1490:
1.129 schwarze 1491: tabwidth = p->tabwidth;
1.208 kristaps 1492: if (DISP_literal == n->norm->Bd.type)
1493: p->tabwidth = term_len(p, 8);
1494:
1.272 schwarze 1495: lm = p->offset;
1.119 kristaps 1496: rm = p->rmargin;
1497: rmax = p->maxrmargin;
1.120 kristaps 1498: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1499:
1.86 kristaps 1500: for (nn = n->child; nn; nn = nn->next) {
1.272 schwarze 1501: if (DISP_centered == n->norm->Bd.type) {
1.314 schwarze 1502: if (nn->type == ROFFT_TEXT) {
1.272 schwarze 1503: len = term_strlen(p, nn->string);
1504: p->offset = len >= rm ? 0 :
1505: lm + len >= rm ? rm - len :
1506: (lm + rm - len) / 2;
1507: } else
1508: p->offset = lm;
1509: }
1.245 schwarze 1510: print_mdoc_node(p, pair, meta, nn);
1.190 kristaps 1511: /*
1512: * If the printed node flushes its own line, then we
1513: * needn't do it here as well. This is hacky, but the
1514: * notion of selective eoln whitespace is pretty dumb
1515: * anyway, so don't sweat it.
1516: */
1517: switch (nn->tok) {
1.264 schwarze 1518: case MDOC_Sm:
1.351 ! schwarze 1519: case ROFF_br:
1.264 schwarze 1520: case MDOC_sp:
1521: case MDOC_Bl:
1522: case MDOC_D1:
1523: case MDOC_Dl:
1524: case MDOC_Lp:
1525: case MDOC_Pp:
1.190 kristaps 1526: continue;
1527: default:
1528: break;
1529: }
1.299 schwarze 1530: if (p->flags & TERMP_NONEWLINE ||
1.338 schwarze 1531: (nn->next && ! (nn->next->flags & NODE_LINE)))
1.180 schwarze 1532: continue;
1533: term_flushln(p);
1534: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1535: }
1.147 kristaps 1536:
1.129 schwarze 1537: p->tabwidth = tabwidth;
1.119 kristaps 1538: p->rmargin = rm;
1539: p->maxrmargin = rmax;
1.328 schwarze 1540: return 0;
1.1 kristaps 1541: }
1542:
1543: static void
1544: termp_bd_post(DECL_ARGS)
1545: {
1.119 kristaps 1546: size_t rm, rmax;
1.1 kristaps 1547:
1.314 schwarze 1548: if (n->type != ROFFT_BODY)
1.1 kristaps 1549: return;
1.118 kristaps 1550:
1.119 kristaps 1551: rm = p->rmargin;
1552: rmax = p->maxrmargin;
1.118 kristaps 1553:
1.264 schwarze 1554: if (DISP_literal == n->norm->Bd.type ||
1555: DISP_unfilled == n->norm->Bd.type)
1.120 kristaps 1556: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1557:
1.60 kristaps 1558: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1559: term_newln(p);
1.118 kristaps 1560:
1.119 kristaps 1561: p->rmargin = rm;
1562: p->maxrmargin = rmax;
1.1 kristaps 1563: }
1564:
1565: static int
1.26 kristaps 1566: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1567: {
1.339 schwarze 1568: if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
1569: p->flags |= TERMP_PREKEEP;
1570: return 1;
1571: }
1.1 kristaps 1572:
1.339 schwarze 1573: static void
1574: termp_xx_post(DECL_ARGS)
1575: {
1576: if (n->aux == 0)
1577: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1 kristaps 1578: }
1579:
1580: static void
1581: termp_pf_post(DECL_ARGS)
1582: {
1583:
1.338 schwarze 1584: if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.298 schwarze 1585: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1586: }
1587:
1588: static int
1589: termp_ss_pre(DECL_ARGS)
1590: {
1.337 schwarze 1591: struct roff_node *nn;
1.1 kristaps 1592:
1.86 kristaps 1593: switch (n->type) {
1.314 schwarze 1594: case ROFFT_BLOCK:
1.1 kristaps 1595: term_newln(p);
1.337 schwarze 1596: for (nn = n->prev; nn != NULL; nn = nn->prev)
1597: if ((nn->flags & NODE_NOPRT) == 0)
1598: break;
1599: if (nn != NULL)
1.1 kristaps 1600: term_vspace(p);
1601: break;
1.314 schwarze 1602: case ROFFT_HEAD:
1.102 kristaps 1603: term_fontpush(p, TERMFONT_BOLD);
1.238 schwarze 1604: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1605: break;
1.314 schwarze 1606: case ROFFT_BODY:
1.274 schwarze 1607: p->offset = term_len(p, p->defindent);
1608: break;
1.1 kristaps 1609: default:
1610: break;
1611: }
1612:
1.328 schwarze 1613: return 1;
1.1 kristaps 1614: }
1615:
1616: static void
1617: termp_ss_post(DECL_ARGS)
1618: {
1619:
1.314 schwarze 1620: if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1 kristaps 1621: term_newln(p);
1622: }
1623:
1624: static int
1625: termp_cd_pre(DECL_ARGS)
1626: {
1627:
1.143 kristaps 1628: synopsis_pre(p, n);
1.102 kristaps 1629: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1630: return 1;
1.1 kristaps 1631: }
1632:
1633: static int
1634: termp_in_pre(DECL_ARGS)
1635: {
1.142 schwarze 1636:
1.143 kristaps 1637: synopsis_pre(p, n);
1.1 kristaps 1638:
1.338 schwarze 1639: if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
1.138 kristaps 1640: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1641: term_word(p, "#include");
1.138 kristaps 1642: term_word(p, "<");
1643: } else {
1644: term_word(p, "<");
1645: term_fontpush(p, TERMFONT_UNDER);
1646: }
1.22 kristaps 1647:
1.1 kristaps 1648: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1649: return 1;
1.1 kristaps 1650: }
1651:
1652: static void
1653: termp_in_post(DECL_ARGS)
1654: {
1655:
1.338 schwarze 1656: if (NODE_SYNPRETTY & n->flags)
1.138 kristaps 1657: term_fontpush(p, TERMFONT_BOLD);
1658:
1.79 kristaps 1659: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1660: term_word(p, ">");
1661:
1.338 schwarze 1662: if (NODE_SYNPRETTY & n->flags)
1.138 kristaps 1663: term_fontpop(p);
1.1 kristaps 1664: }
1665:
1666: static int
1.45 kristaps 1667: termp_sp_pre(DECL_ARGS)
1668: {
1.300 schwarze 1669: struct roffsu su;
1.312 schwarze 1670: int i, len;
1.45 kristaps 1671:
1.86 kristaps 1672: switch (n->tok) {
1.264 schwarze 1673: case MDOC_sp:
1.300 schwarze 1674: if (n->child) {
1675: if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
1676: su.scale = 1.0;
1677: len = term_vspan(p, &su);
1678: } else
1679: len = 1;
1.76 kristaps 1680: break;
1.351 ! schwarze 1681: case ROFF_br:
1.76 kristaps 1682: len = 0;
1683: break;
1684: default:
1685: len = 1;
1.322 schwarze 1686: fn_prio = 0;
1.76 kristaps 1687: break;
1.45 kristaps 1688: }
1689:
1690: if (0 == len)
1691: term_newln(p);
1.312 schwarze 1692: else if (len < 0)
1693: p->skipvsp -= len;
1694: else
1695: for (i = 0; i < len; i++)
1696: term_vspace(p);
1.45 kristaps 1697:
1.328 schwarze 1698: return 0;
1.45 kristaps 1699: }
1700:
1701: static int
1.294 schwarze 1702: termp_skip_pre(DECL_ARGS)
1.268 schwarze 1703: {
1704:
1.328 schwarze 1705: return 0;
1.268 schwarze 1706: }
1707:
1708: static int
1.188 kristaps 1709: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1710: {
1711:
1.314 schwarze 1712: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.328 schwarze 1713: return 1;
1.1 kristaps 1714:
1.188 kristaps 1715: switch (n->tok) {
1.264 schwarze 1716: case MDOC_Ao:
1717: case MDOC_Aq:
1.331 schwarze 1718: term_word(p, n->child != NULL && n->child->next == NULL &&
1.303 schwarze 1719: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.188 kristaps 1720: break;
1.264 schwarze 1721: case MDOC_Bro:
1722: case MDOC_Brq:
1.188 kristaps 1723: term_word(p, "{");
1724: break;
1.264 schwarze 1725: case MDOC_Oo:
1726: case MDOC_Op:
1727: case MDOC_Bo:
1728: case MDOC_Bq:
1.188 kristaps 1729: term_word(p, "[");
1730: break;
1.346 schwarze 1731: case MDOC__T:
1732: /* FALLTHROUGH */
1.264 schwarze 1733: case MDOC_Do:
1734: case MDOC_Dq:
1.311 schwarze 1735: term_word(p, "\\(Lq");
1.188 kristaps 1736: break;
1.268 schwarze 1737: case MDOC_En:
1738: if (NULL == n->norm->Es ||
1739: NULL == n->norm->Es->child)
1.328 schwarze 1740: return 1;
1.268 schwarze 1741: term_word(p, n->norm->Es->child->string);
1742: break;
1.264 schwarze 1743: case MDOC_Po:
1744: case MDOC_Pq:
1.188 kristaps 1745: term_word(p, "(");
1746: break;
1.264 schwarze 1747: case MDOC_Qo:
1748: case MDOC_Qq:
1.188 kristaps 1749: term_word(p, "\"");
1750: break;
1.264 schwarze 1751: case MDOC_Ql:
1752: case MDOC_So:
1753: case MDOC_Sq:
1.249 schwarze 1754: term_word(p, "\\(oq");
1.188 kristaps 1755: break;
1756: default:
1757: abort();
1758: }
1.1 kristaps 1759:
1760: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1761: return 1;
1.1 kristaps 1762: }
1763:
1764: static void
1.188 kristaps 1765: termp_quote_post(DECL_ARGS)
1.1 kristaps 1766: {
1767:
1.314 schwarze 1768: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1 kristaps 1769: return;
1770:
1.306 schwarze 1771: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1772:
1.188 kristaps 1773: switch (n->tok) {
1.264 schwarze 1774: case MDOC_Ao:
1775: case MDOC_Aq:
1.331 schwarze 1776: term_word(p, n->child != NULL && n->child->next == NULL &&
1.303 schwarze 1777: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.188 kristaps 1778: break;
1.264 schwarze 1779: case MDOC_Bro:
1780: case MDOC_Brq:
1.188 kristaps 1781: term_word(p, "}");
1782: break;
1.264 schwarze 1783: case MDOC_Oo:
1784: case MDOC_Op:
1785: case MDOC_Bo:
1786: case MDOC_Bq:
1.188 kristaps 1787: term_word(p, "]");
1788: break;
1.346 schwarze 1789: case MDOC__T:
1790: /* FALLTHROUGH */
1.264 schwarze 1791: case MDOC_Do:
1792: case MDOC_Dq:
1.311 schwarze 1793: term_word(p, "\\(Rq");
1.268 schwarze 1794: break;
1795: case MDOC_En:
1.306 schwarze 1796: if (n->norm->Es == NULL ||
1797: n->norm->Es->child == NULL ||
1798: n->norm->Es->child->next == NULL)
1799: p->flags &= ~TERMP_NOSPACE;
1800: else
1.268 schwarze 1801: term_word(p, n->norm->Es->child->next->string);
1.188 kristaps 1802: break;
1.264 schwarze 1803: case MDOC_Po:
1804: case MDOC_Pq:
1.188 kristaps 1805: term_word(p, ")");
1806: break;
1.264 schwarze 1807: case MDOC_Qo:
1808: case MDOC_Qq:
1.188 kristaps 1809: term_word(p, "\"");
1810: break;
1.264 schwarze 1811: case MDOC_Ql:
1812: case MDOC_So:
1813: case MDOC_Sq:
1.249 schwarze 1814: term_word(p, "\\(cq");
1.188 kristaps 1815: break;
1816: default:
1817: abort();
1818: }
1.306 schwarze 1819: }
1820:
1821: static int
1822: termp_eo_pre(DECL_ARGS)
1823: {
1824:
1.314 schwarze 1825: if (n->type != ROFFT_BODY)
1.328 schwarze 1826: return 1;
1.306 schwarze 1827:
1828: if (n->end == ENDBODY_NOT &&
1829: n->parent->head->child == NULL &&
1830: n->child != NULL &&
1831: n->child->end != ENDBODY_NOT)
1832: term_word(p, "\\&");
1833: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.309 schwarze 1834: n->parent->head->child != NULL && (n->child != NULL ||
1835: (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.306 schwarze 1836: p->flags |= TERMP_NOSPACE;
1837:
1.328 schwarze 1838: return 1;
1.306 schwarze 1839: }
1840:
1841: static void
1842: termp_eo_post(DECL_ARGS)
1843: {
1844: int body, tail;
1845:
1.314 schwarze 1846: if (n->type != ROFFT_BODY)
1.306 schwarze 1847: return;
1848:
1849: if (n->end != ENDBODY_NOT) {
1850: p->flags &= ~TERMP_NOSPACE;
1851: return;
1852: }
1853:
1854: body = n->child != NULL || n->parent->head->child != NULL;
1855: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1856:
1857: if (body && tail)
1858: p->flags |= TERMP_NOSPACE;
1859: else if ( ! (body || tail))
1860: term_word(p, "\\&");
1861: else if ( ! tail)
1862: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1863: }
1864:
1865: static int
1866: termp_fo_pre(DECL_ARGS)
1867: {
1.257 schwarze 1868: size_t rmargin = 0;
1.256 schwarze 1869: int pretty;
1870:
1.338 schwarze 1871: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1872:
1.314 schwarze 1873: if (n->type == ROFFT_BLOCK) {
1.143 kristaps 1874: synopsis_pre(p, n);
1.328 schwarze 1875: return 1;
1.314 schwarze 1876: } else if (n->type == ROFFT_BODY) {
1.256 schwarze 1877: if (pretty) {
1878: rmargin = p->rmargin;
1.257 schwarze 1879: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 1880: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1881: TERMP_HANG;
1.256 schwarze 1882: }
1.33 kristaps 1883: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1884: term_word(p, "(");
1.222 kristaps 1885: p->flags |= TERMP_NOSPACE;
1.256 schwarze 1886: if (pretty) {
1887: term_flushln(p);
1.263 schwarze 1888: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1889: TERMP_HANG);
1.256 schwarze 1890: p->offset = p->rmargin;
1891: p->rmargin = rmargin;
1892: }
1.328 schwarze 1893: return 1;
1.256 schwarze 1894: }
1.141 kristaps 1895:
1.169 kristaps 1896: if (NULL == n->child)
1.328 schwarze 1897: return 0;
1.169 kristaps 1898:
1.141 kristaps 1899: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 1900:
1.141 kristaps 1901: assert(n->child->string);
1.102 kristaps 1902: term_fontpush(p, TERMFONT_BOLD);
1.141 kristaps 1903: term_word(p, n->child->string);
1.328 schwarze 1904: return 0;
1.1 kristaps 1905: }
1906:
1907: static void
1908: termp_fo_post(DECL_ARGS)
1909: {
1910:
1.314 schwarze 1911: if (n->type != ROFFT_BODY)
1.143 kristaps 1912: return;
1913:
1.222 kristaps 1914: p->flags |= TERMP_NOSPACE;
1.143 kristaps 1915: term_word(p, ")");
1916:
1.338 schwarze 1917: if (NODE_SYNPRETTY & n->flags) {
1.222 kristaps 1918: p->flags |= TERMP_NOSPACE;
1.143 kristaps 1919: term_word(p, ";");
1.256 schwarze 1920: term_flushln(p);
1.222 kristaps 1921: }
1.1 kristaps 1922: }
1923:
1924: static int
1925: termp_bf_pre(DECL_ARGS)
1926: {
1927:
1.314 schwarze 1928: if (n->type == ROFFT_HEAD)
1.328 schwarze 1929: return 0;
1.314 schwarze 1930: else if (n->type != ROFFT_BODY)
1.328 schwarze 1931: return 1;
1.1 kristaps 1932:
1.264 schwarze 1933: if (FONT_Em == n->norm->Bf.font)
1.102 kristaps 1934: term_fontpush(p, TERMFONT_UNDER);
1.264 schwarze 1935: else if (FONT_Sy == n->norm->Bf.font)
1.102 kristaps 1936: term_fontpush(p, TERMFONT_BOLD);
1.264 schwarze 1937: else
1.102 kristaps 1938: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 1939:
1.328 schwarze 1940: return 1;
1.1 kristaps 1941: }
1942:
1943: static int
1944: termp_sm_pre(DECL_ARGS)
1945: {
1946:
1.269 schwarze 1947: if (NULL == n->child)
1948: p->flags ^= TERMP_NONOSPACE;
1949: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 1950: p->flags &= ~TERMP_NONOSPACE;
1.269 schwarze 1951: else
1.1 kristaps 1952: p->flags |= TERMP_NONOSPACE;
1.269 schwarze 1953:
1954: if (p->col && ! (TERMP_NONOSPACE & p->flags))
1955: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1956:
1.328 schwarze 1957: return 0;
1.1 kristaps 1958: }
1959:
1960: static int
1961: termp_ap_pre(DECL_ARGS)
1962: {
1963:
1964: p->flags |= TERMP_NOSPACE;
1.188 kristaps 1965: term_word(p, "'");
1.1 kristaps 1966: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1967: return 1;
1.1 kristaps 1968: }
1969:
1970: static void
1971: termp____post(DECL_ARGS)
1972: {
1.184 kristaps 1973:
1974: /*
1975: * Handle lists of authors. In general, print each followed by
1976: * a comma. Don't print the comma if there are only two
1977: * authors.
1978: */
1979: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
1980: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
1981: if (NULL == n->prev || MDOC__A != n->prev->tok)
1982: return;
1.1 kristaps 1983:
1.95 kristaps 1984: /* TODO: %U. */
1985:
1.187 kristaps 1986: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
1987: return;
1988:
1.222 kristaps 1989: p->flags |= TERMP_NOSPACE;
1.186 kristaps 1990: if (NULL == n->next) {
1991: term_word(p, ".");
1992: p->flags |= TERMP_SENTENCE;
1993: } else
1994: term_word(p, ",");
1.1 kristaps 1995: }
1996:
1997: static int
1.102 kristaps 1998: termp_li_pre(DECL_ARGS)
1999: {
2000:
1.335 schwarze 2001: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 2002: term_fontpush(p, TERMFONT_NONE);
1.328 schwarze 2003: return 1;
1.102 kristaps 2004: }
2005:
2006: static int
1.1 kristaps 2007: termp_lk_pre(DECL_ARGS)
2008: {
1.315 schwarze 2009: const struct roff_node *link, *descr;
1.348 schwarze 2010: int display;
1.1 kristaps 2011:
1.349 schwarze 2012: if ((link = n->child) == NULL)
1.328 schwarze 2013: return 0;
1.181 kristaps 2014:
1.349 schwarze 2015: /* Link text. */
2016: if ((descr = link->next) != NULL && !(descr->flags & NODE_DELIMC)) {
1.240 schwarze 2017: term_fontpush(p, TERMFONT_UNDER);
1.349 schwarze 2018: while (descr != NULL && !(descr->flags & NODE_DELIMC)) {
1.240 schwarze 2019: term_word(p, descr->string);
2020: descr = descr->next;
2021: }
1.347 schwarze 2022: term_fontpop(p);
1.240 schwarze 2023: p->flags |= TERMP_NOSPACE;
2024: term_word(p, ":");
2025: }
1.1 kristaps 2026:
1.349 schwarze 2027: /* Link target. */
1.348 schwarze 2028: display = term_strlen(p, link->string) >= 26;
2029: if (display) {
2030: term_newln(p);
2031: p->offset += term_len(p, p->defindent + 1);
2032: }
1.102 kristaps 2033: term_fontpush(p, TERMFONT_BOLD);
1.240 schwarze 2034: term_word(p, link->string);
1.102 kristaps 2035: term_fontpop(p);
1.348 schwarze 2036:
1.349 schwarze 2037: /* Trailing punctuation. */
2038: while (descr != NULL) {
2039: p->flags |= TERMP_NOSPACE;
2040: term_word(p, descr->string);
2041: descr = descr->next;
2042: }
1.348 schwarze 2043: if (display)
2044: term_newln(p);
1.328 schwarze 2045: return 0;
1.1 kristaps 2046: }
2047:
1.159 schwarze 2048: static int
2049: termp_bk_pre(DECL_ARGS)
2050: {
2051:
1.161 schwarze 2052: switch (n->type) {
1.314 schwarze 2053: case ROFFT_BLOCK:
1.166 kristaps 2054: break;
1.314 schwarze 2055: case ROFFT_HEAD:
1.328 schwarze 2056: return 0;
1.314 schwarze 2057: case ROFFT_BODY:
1.331 schwarze 2058: if (n->parent->args != NULL || n->prev->child == NULL)
1.200 schwarze 2059: p->flags |= TERMP_PREKEEP;
1.166 kristaps 2060: break;
1.161 schwarze 2061: default:
2062: abort();
2063: }
1.166 kristaps 2064:
1.328 schwarze 2065: return 1;
1.159 schwarze 2066: }
2067:
2068: static void
2069: termp_bk_post(DECL_ARGS)
2070: {
2071:
1.314 schwarze 2072: if (n->type == ROFFT_BODY)
1.161 schwarze 2073: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203 kristaps 2074: }
2075:
2076: static void
2077: termp__t_post(DECL_ARGS)
2078: {
2079:
2080: /*
2081: * If we're in an `Rs' and there's a journal present, then quote
2082: * us instead of underlining us (for disambiguation).
2083: */
1.217 schwarze 2084: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2085: n->parent->norm->Rs.quote_T)
1.245 schwarze 2086: termp_quote_post(p, pair, meta, n);
1.203 kristaps 2087:
1.245 schwarze 2088: termp____post(p, pair, meta, n);
1.203 kristaps 2089: }
2090:
2091: static int
2092: termp__t_pre(DECL_ARGS)
2093: {
2094:
2095: /*
2096: * If we're in an `Rs' and there's a journal present, then quote
2097: * us instead of underlining us (for disambiguation).
2098: */
2099: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2100: n->parent->norm->Rs.quote_T)
1.328 schwarze 2101: return termp_quote_pre(p, pair, meta, n);
1.203 kristaps 2102:
2103: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 2104: return 1;
1.159 schwarze 2105: }
1.1 kristaps 2106:
2107: static int
1.69 kristaps 2108: termp_under_pre(DECL_ARGS)
1.1 kristaps 2109: {
2110:
1.102 kristaps 2111: term_fontpush(p, TERMFONT_UNDER);
1.334 schwarze 2112: return 1;
2113: }
2114:
2115: static int
2116: termp_em_pre(DECL_ARGS)
2117: {
2118: if (n->child != NULL &&
2119: n->child->type == ROFFT_TEXT)
2120: tag_put(n->child->string, 0, p->line);
2121: term_fontpush(p, TERMFONT_UNDER);
2122: return 1;
2123: }
2124:
2125: static int
2126: termp_sy_pre(DECL_ARGS)
2127: {
2128: if (n->child != NULL &&
2129: n->child->type == ROFFT_TEXT)
2130: tag_put(n->child->string, 0, p->line);
2131: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 2132: return 1;
1.323 schwarze 2133: }
2134:
2135: static int
2136: termp_er_pre(DECL_ARGS)
2137: {
2138:
2139: if (n->sec == SEC_ERRORS &&
2140: (n->parent->tok == MDOC_It ||
2141: (n->parent->tok == MDOC_Bq &&
1.324 schwarze 2142: n->parent->parent->parent->tok == MDOC_It)))
2143: tag_put(n->child->string, 1, p->line);
1.328 schwarze 2144: return 1;
1.320 schwarze 2145: }
2146:
2147: static int
2148: termp_tag_pre(DECL_ARGS)
2149: {
2150:
2151: if (n->child != NULL &&
2152: n->child->type == ROFFT_TEXT &&
1.333 schwarze 2153: (n->prev == NULL ||
2154: (n->prev->type == ROFFT_TEXT &&
2155: strcmp(n->prev->string, "|") == 0)) &&
1.320 schwarze 2156: (n->parent->tok == MDOC_It ||
2157: (n->parent->tok == MDOC_Xo &&
2158: n->parent->parent->prev == NULL &&
1.324 schwarze 2159: n->parent->parent->parent->tok == MDOC_It)))
2160: tag_put(n->child->string, 1, p->line);
1.328 schwarze 2161: return 1;
1.84 kristaps 2162: }
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