Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.270
1.270 ! schwarze 1: /* $OpenBSD: mdoc_term.c,v 1.269 2018/12/13 11:55:14 schwarze Exp $ */
1.1 kristaps 2: /*
1.122 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.266 schwarze 4: * Copyright (c) 2010, 2012-2018 Ingo Schwarze <schwarze@openbsd.org>
1.158 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
1.2 schwarze 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: *
1.213 schwarze 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.2 schwarze 12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.213 schwarze 13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.2 schwarze 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: */
19: #include <sys/types.h>
20:
21: #include <assert.h>
22: #include <ctype.h>
1.201 schwarze 23: #include <limits.h>
1.77 schwarze 24: #include <stdint.h>
1.1 kristaps 25: #include <stdio.h>
26: #include <stdlib.h>
27: #include <string.h>
28:
1.213 schwarze 29: #include "mandoc_aux.h"
30: #include "roff.h"
31: #include "mdoc.h"
1.61 schwarze 32: #include "out.h"
1.1 kristaps 33: #include "term.h"
1.219 schwarze 34: #include "tag.h"
1.61 schwarze 35: #include "main.h"
1.54 schwarze 36:
1.1 kristaps 37: struct termpair {
38: struct termpair *ppair;
1.27 schwarze 39: int count;
1.1 kristaps 40: };
41:
1.29 schwarze 42: #define DECL_ARGS struct termp *p, \
43: struct termpair *pair, \
1.215 schwarze 44: const struct roff_meta *meta, \
1.214 schwarze 45: struct roff_node *n
1.1 kristaps 46:
1.267 schwarze 47: struct mdoc_term_act {
1.1 kristaps 48: int (*pre)(DECL_ARGS);
49: void (*post)(DECL_ARGS);
50: };
1.29 schwarze 51:
1.201 schwarze 52: static int a2width(const struct termp *, const char *);
1.62 schwarze 53:
54: static void print_bvspace(struct termp *,
1.214 schwarze 55: const struct roff_node *,
56: const struct roff_node *);
1.166 schwarze 57: static void print_mdoc_node(DECL_ARGS);
1.65 schwarze 58: static void print_mdoc_nodelist(DECL_ARGS);
1.215 schwarze 59: static void print_mdoc_head(struct termp *, const struct roff_meta *);
60: static void print_mdoc_foot(struct termp *, const struct roff_meta *);
1.166 schwarze 61: static void synopsis_pre(struct termp *,
1.214 schwarze 62: const struct roff_node *);
1.62 schwarze 63:
1.29 schwarze 64: static void termp____post(DECL_ARGS);
1.120 schwarze 65: static void termp__t_post(DECL_ARGS);
1.29 schwarze 66: static void termp_bd_post(DECL_ARGS);
1.90 schwarze 67: static void termp_bk_post(DECL_ARGS);
1.29 schwarze 68: static void termp_bl_post(DECL_ARGS);
1.205 schwarze 69: static void termp_eo_post(DECL_ARGS);
1.143 schwarze 70: static void termp_fd_post(DECL_ARGS);
1.29 schwarze 71: static void termp_fo_post(DECL_ARGS);
72: static void termp_in_post(DECL_ARGS);
73: static void termp_it_post(DECL_ARGS);
74: static void termp_lb_post(DECL_ARGS);
1.94 schwarze 75: static void termp_nm_post(DECL_ARGS);
1.29 schwarze 76: static void termp_pf_post(DECL_ARGS);
1.107 schwarze 77: static void termp_quote_post(DECL_ARGS);
1.29 schwarze 78: static void termp_sh_post(DECL_ARGS);
79: static void termp_ss_post(DECL_ARGS);
1.238 schwarze 80: static void termp_xx_post(DECL_ARGS);
1.29 schwarze 81:
1.104 schwarze 82: static int termp__a_pre(DECL_ARGS);
1.120 schwarze 83: static int termp__t_pre(DECL_ARGS);
1.268 schwarze 84: static int termp_abort_pre(DECL_ARGS);
1.49 schwarze 85: static int termp_an_pre(DECL_ARGS);
1.29 schwarze 86: static int termp_ap_pre(DECL_ARGS);
87: static int termp_bd_pre(DECL_ARGS);
88: static int termp_bf_pre(DECL_ARGS);
1.90 schwarze 89: static int termp_bk_pre(DECL_ARGS);
1.73 schwarze 90: static int termp_bl_pre(DECL_ARGS);
1.54 schwarze 91: static int termp_bold_pre(DECL_ARGS);
1.29 schwarze 92: static int termp_cd_pre(DECL_ARGS);
93: static int termp_d1_pre(DECL_ARGS);
1.205 schwarze 94: static int termp_eo_pre(DECL_ARGS);
1.233 schwarze 95: static int termp_em_pre(DECL_ARGS);
1.222 schwarze 96: static int termp_er_pre(DECL_ARGS);
1.29 schwarze 97: static int termp_ex_pre(DECL_ARGS);
98: static int termp_fa_pre(DECL_ARGS);
1.107 schwarze 99: static int termp_fd_pre(DECL_ARGS);
1.29 schwarze 100: static int termp_fl_pre(DECL_ARGS);
101: static int termp_fn_pre(DECL_ARGS);
102: static int termp_fo_pre(DECL_ARGS);
103: static int termp_ft_pre(DECL_ARGS);
104: static int termp_in_pre(DECL_ARGS);
105: static int termp_it_pre(DECL_ARGS);
1.65 schwarze 106: static int termp_li_pre(DECL_ARGS);
1.29 schwarze 107: static int termp_lk_pre(DECL_ARGS);
108: static int termp_nd_pre(DECL_ARGS);
109: static int termp_nm_pre(DECL_ARGS);
110: static int termp_ns_pre(DECL_ARGS);
1.107 schwarze 111: static int termp_quote_pre(DECL_ARGS);
1.29 schwarze 112: static int termp_rs_pre(DECL_ARGS);
113: static int termp_sh_pre(DECL_ARGS);
1.193 schwarze 114: static int termp_skip_pre(DECL_ARGS);
1.29 schwarze 115: static int termp_sm_pre(DECL_ARGS);
1.254 schwarze 116: static int termp_pp_pre(DECL_ARGS);
1.29 schwarze 117: static int termp_ss_pre(DECL_ARGS);
1.233 schwarze 118: static int termp_sy_pre(DECL_ARGS);
1.219 schwarze 119: static int termp_tag_pre(DECL_ARGS);
1.54 schwarze 120: static int termp_under_pre(DECL_ARGS);
1.69 schwarze 121: static int termp_vt_pre(DECL_ARGS);
1.29 schwarze 122: static int termp_xr_pre(DECL_ARGS);
123: static int termp_xx_pre(DECL_ARGS);
1.1 kristaps 124:
1.267 schwarze 125: static const struct mdoc_term_act mdoc_term_acts[MDOC_MAX - MDOC_Dd] = {
1.1 kristaps 126: { NULL, NULL }, /* Dd */
127: { NULL, NULL }, /* Dt */
128: { NULL, NULL }, /* Os */
129: { termp_sh_pre, termp_sh_post }, /* Sh */
1.166 schwarze 130: { termp_ss_pre, termp_ss_post }, /* Ss */
1.254 schwarze 131: { termp_pp_pre, NULL }, /* Pp */
1.143 schwarze 132: { termp_d1_pre, termp_bl_post }, /* D1 */
133: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 134: { termp_bd_pre, termp_bd_post }, /* Bd */
135: { NULL, NULL }, /* Ed */
1.73 schwarze 136: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 137: { NULL, NULL }, /* El */
138: { termp_it_pre, termp_it_post }, /* It */
1.166 schwarze 139: { termp_under_pre, NULL }, /* Ad */
1.181 schwarze 140: { termp_an_pre, NULL }, /* An */
1.249 schwarze 141: { termp_ap_pre, NULL }, /* Ap */
1.54 schwarze 142: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 143: { termp_cd_pre, NULL }, /* Cd */
1.54 schwarze 144: { termp_bold_pre, NULL }, /* Cm */
1.224 schwarze 145: { termp_li_pre, NULL }, /* Dv */
1.222 schwarze 146: { termp_er_pre, NULL }, /* Er */
1.219 schwarze 147: { termp_tag_pre, NULL }, /* Ev */
1.1 kristaps 148: { termp_ex_pre, NULL }, /* Ex */
1.166 schwarze 149: { termp_fa_pre, NULL }, /* Fa */
150: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 151: { termp_fl_pre, NULL }, /* Fl */
1.166 schwarze 152: { termp_fn_pre, NULL }, /* Fn */
153: { termp_ft_pre, NULL }, /* Ft */
154: { termp_bold_pre, NULL }, /* Ic */
155: { termp_in_pre, termp_in_post }, /* In */
1.65 schwarze 156: { termp_li_pre, NULL }, /* Li */
1.166 schwarze 157: { termp_nd_pre, NULL }, /* Nd */
158: { termp_nm_pre, termp_nm_post }, /* Nm */
1.107 schwarze 159: { termp_quote_pre, termp_quote_post }, /* Op */
1.268 schwarze 160: { termp_abort_pre, NULL }, /* Ot */
1.54 schwarze 161: { termp_under_pre, NULL }, /* Pa */
1.240 schwarze 162: { termp_ex_pre, NULL }, /* Rv */
1.166 schwarze 163: { NULL, NULL }, /* St */
1.54 schwarze 164: { termp_under_pre, NULL }, /* Va */
1.86 schwarze 165: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 166: { termp_xr_pre, NULL }, /* Xr */
1.104 schwarze 167: { termp__a_pre, termp____post }, /* %A */
1.58 schwarze 168: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 169: { NULL, termp____post }, /* %D */
1.58 schwarze 170: { termp_under_pre, termp____post }, /* %I */
1.54 schwarze 171: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 172: { NULL, termp____post }, /* %N */
173: { NULL, termp____post }, /* %O */
174: { NULL, termp____post }, /* %P */
175: { NULL, termp____post }, /* %R */
1.120 schwarze 176: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 177: { NULL, termp____post }, /* %V */
178: { NULL, NULL }, /* Ac */
1.107 schwarze 179: { termp_quote_pre, termp_quote_post }, /* Ao */
180: { termp_quote_pre, termp_quote_post }, /* Aq */
1.32 schwarze 181: { NULL, NULL }, /* At */
1.1 kristaps 182: { NULL, NULL }, /* Bc */
1.166 schwarze 183: { termp_bf_pre, NULL }, /* Bf */
1.107 schwarze 184: { termp_quote_pre, termp_quote_post }, /* Bo */
185: { termp_quote_pre, termp_quote_post }, /* Bq */
1.238 schwarze 186: { termp_xx_pre, termp_xx_post }, /* Bsx */
1.239 schwarze 187: { NULL, NULL }, /* Bx */
1.193 schwarze 188: { termp_skip_pre, NULL }, /* Db */
1.1 kristaps 189: { NULL, NULL }, /* Dc */
1.107 schwarze 190: { termp_quote_pre, termp_quote_post }, /* Do */
191: { termp_quote_pre, termp_quote_post }, /* Dq */
1.73 schwarze 192: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 193: { NULL, NULL }, /* Ef */
1.233 schwarze 194: { termp_em_pre, NULL }, /* Em */
1.205 schwarze 195: { termp_eo_pre, termp_eo_post }, /* Eo */
1.238 schwarze 196: { termp_xx_pre, termp_xx_post }, /* Fx */
1.98 schwarze 197: { termp_bold_pre, NULL }, /* Ms */
1.189 schwarze 198: { termp_li_pre, NULL }, /* No */
1.1 kristaps 199: { termp_ns_pre, NULL }, /* Ns */
1.238 schwarze 200: { termp_xx_pre, termp_xx_post }, /* Nx */
201: { termp_xx_pre, termp_xx_post }, /* Ox */
1.1 kristaps 202: { NULL, NULL }, /* Pc */
1.156 schwarze 203: { NULL, termp_pf_post }, /* Pf */
1.107 schwarze 204: { termp_quote_pre, termp_quote_post }, /* Po */
205: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 206: { NULL, NULL }, /* Qc */
1.107 schwarze 207: { termp_quote_pre, termp_quote_post }, /* Ql */
208: { termp_quote_pre, termp_quote_post }, /* Qo */
209: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 210: { NULL, NULL }, /* Re */
211: { termp_rs_pre, NULL }, /* Rs */
212: { NULL, NULL }, /* Sc */
1.107 schwarze 213: { termp_quote_pre, termp_quote_post }, /* So */
214: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 215: { termp_sm_pre, NULL }, /* Sm */
1.54 schwarze 216: { termp_under_pre, NULL }, /* Sx */
1.233 schwarze 217: { termp_sy_pre, NULL }, /* Sy */
1.1 kristaps 218: { NULL, NULL }, /* Tn */
1.238 schwarze 219: { termp_xx_pre, termp_xx_post }, /* Ux */
1.1 kristaps 220: { NULL, NULL }, /* Xc */
221: { NULL, NULL }, /* Xo */
1.166 schwarze 222: { termp_fo_pre, termp_fo_post }, /* Fo */
223: { NULL, NULL }, /* Fc */
1.107 schwarze 224: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 225: { NULL, NULL }, /* Oc */
1.90 schwarze 226: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 227: { NULL, NULL }, /* Ek */
1.240 schwarze 228: { NULL, NULL }, /* Bt */
1.1 kristaps 229: { NULL, NULL }, /* Hf */
1.170 schwarze 230: { termp_under_pre, NULL }, /* Fr */
1.240 schwarze 231: { NULL, NULL }, /* Ud */
1.32 schwarze 232: { NULL, termp_lb_post }, /* Lb */
1.268 schwarze 233: { termp_abort_pre, NULL }, /* Lp */
1.166 schwarze 234: { termp_lk_pre, NULL }, /* Lk */
235: { termp_under_pre, NULL }, /* Mt */
236: { termp_quote_pre, termp_quote_post }, /* Brq */
237: { termp_quote_pre, termp_quote_post }, /* Bro */
238: { NULL, NULL }, /* Brc */
239: { NULL, termp____post }, /* %C */
1.193 schwarze 240: { termp_skip_pre, NULL }, /* Es */
1.170 schwarze 241: { termp_quote_pre, termp_quote_post }, /* En */
1.238 schwarze 242: { termp_xx_pre, termp_xx_post }, /* Dx */
1.166 schwarze 243: { NULL, termp____post }, /* %Q */
244: { NULL, termp____post }, /* %U */
245: { NULL, NULL }, /* Ta */
1.1 kristaps 246: };
247:
1.221 schwarze 248: static int fn_prio;
1.1 kristaps 249:
1.249 schwarze 250:
1.55 schwarze 251: void
1.270 ! schwarze 252: terminal_mdoc(void *arg, const struct roff_meta *mdoc)
1.1 kristaps 253: {
1.214 schwarze 254: struct roff_node *n;
1.61 schwarze 255: struct termp *p;
1.241 schwarze 256: size_t save_defindent;
1.61 schwarze 257:
258: p = (struct termp *)arg;
1.261 schwarze 259: p->tcol->rmargin = p->maxrmargin = p->defrmargin;
1.255 schwarze 260: term_tab_set(p, NULL);
261: term_tab_set(p, "T");
262: term_tab_set(p, ".5i");
1.55 schwarze 263:
1.218 schwarze 264: n = mdoc->first->child;
1.180 schwarze 265: if (p->synopsisonly) {
266: while (n != NULL) {
267: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
268: if (n->child->next->child != NULL)
269: print_mdoc_nodelist(p, NULL,
1.270 ! schwarze 270: mdoc, n->child->next->child);
1.180 schwarze 271: term_newln(p);
272: break;
273: }
274: n = n->next;
275: }
276: } else {
1.241 schwarze 277: save_defindent = p->defindent;
1.180 schwarze 278: if (p->defindent == 0)
279: p->defindent = 5;
1.270 ! schwarze 280: term_begin(p, print_mdoc_head, print_mdoc_foot, mdoc);
1.266 schwarze 281: while (n != NULL &&
282: (n->type == ROFFT_COMMENT ||
283: n->flags & NODE_NOPRT))
1.236 schwarze 284: n = n->next;
1.180 schwarze 285: if (n != NULL) {
286: if (n->tok != MDOC_Sh)
287: term_vspace(p);
1.270 ! schwarze 288: print_mdoc_nodelist(p, NULL, mdoc, n);
1.180 schwarze 289: }
290: term_end(p);
1.241 schwarze 291: p->defindent = save_defindent;
1.173 schwarze 292: }
1.1 kristaps 293: }
294:
295: static void
1.65 schwarze 296: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 297: {
298:
1.203 schwarze 299: while (n != NULL) {
300: print_mdoc_node(p, pair, meta, n);
301: n = n->next;
302: }
1.1 kristaps 303: }
304:
305: static void
1.65 schwarze 306: print_mdoc_node(DECL_ARGS)
1.1 kristaps 307: {
1.267 schwarze 308: const struct mdoc_term_act *act;
1.1 kristaps 309: struct termpair npair;
1.28 schwarze 310: size_t offset, rmargin;
1.267 schwarze 311: int chld;
1.1 kristaps 312:
1.266 schwarze 313: if (n->type == ROFFT_COMMENT || n->flags & NODE_NOPRT)
1.236 schwarze 314: return;
315:
1.54 schwarze 316: chld = 1;
1.261 schwarze 317: offset = p->tcol->offset;
318: rmargin = p->tcol->rmargin;
1.237 schwarze 319: n->flags &= ~NODE_ENDED;
1.204 schwarze 320: n->prev_font = p->fonti;
1.1 kristaps 321:
1.63 schwarze 322: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 323: npair.ppair = pair;
1.65 schwarze 324:
1.95 schwarze 325: /*
326: * Keeps only work until the end of a line. If a keep was
327: * invoked in a prior line, revert it to PREKEEP.
328: */
329:
1.237 schwarze 330: if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
1.206 schwarze 331: p->flags &= ~TERMP_KEEP;
332: p->flags |= TERMP_PREKEEP;
1.95 schwarze 333: }
1.116 schwarze 334:
335: /*
1.128 schwarze 336: * After the keep flags have been set up, we may now
337: * produce output. Note that some pre-handlers do so.
338: */
339:
340: switch (n->type) {
1.213 schwarze 341: case ROFFT_TEXT:
1.256 schwarze 342: if (*n->string == ' ' && n->flags & NODE_LINE &&
343: (p->flags & TERMP_NONEWLINE) == 0)
1.128 schwarze 344: term_newln(p);
1.237 schwarze 345: if (NODE_DELIMC & n->flags)
1.132 schwarze 346: p->flags |= TERMP_NOSPACE;
1.128 schwarze 347: term_word(p, n->string);
1.237 schwarze 348: if (NODE_DELIMO & n->flags)
1.132 schwarze 349: p->flags |= TERMP_NOSPACE;
1.128 schwarze 350: break;
1.213 schwarze 351: case ROFFT_EQN:
1.237 schwarze 352: if ( ! (n->flags & NODE_LINE))
1.183 schwarze 353: p->flags |= TERMP_NOSPACE;
1.135 schwarze 354: term_eqn(p, n->eqn);
1.237 schwarze 355: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.184 schwarze 356: p->flags |= TERMP_NOSPACE;
1.131 schwarze 357: break;
1.213 schwarze 358: case ROFFT_TBL:
1.212 schwarze 359: if (p->tbl.cols == NULL)
360: term_newln(p);
1.128 schwarze 361: term_tbl(p, n->span);
362: break;
363: default:
1.250 schwarze 364: if (n->tok < ROFF_MAX) {
1.251 schwarze 365: roff_term_pre(p, n);
1.253 schwarze 366: return;
1.250 schwarze 367: }
368: assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
1.267 schwarze 369: act = mdoc_term_acts + (n->tok - MDOC_Dd);
370: if (act->pre != NULL &&
1.230 schwarze 371: (n->end == ENDBODY_NOT || n->child != NULL))
1.267 schwarze 372: chld = (*act->pre)(p, &npair, meta, n);
1.128 schwarze 373: break;
374: }
1.95 schwarze 375:
1.60 schwarze 376: if (chld && n->child)
1.147 schwarze 377: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 378:
1.146 schwarze 379: term_fontpopq(p,
1.209 schwarze 380: (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.1 kristaps 381:
1.122 schwarze 382: switch (n->type) {
1.213 schwarze 383: case ROFFT_TEXT:
1.122 schwarze 384: break;
1.213 schwarze 385: case ROFFT_TBL:
1.131 schwarze 386: break;
1.213 schwarze 387: case ROFFT_EQN:
1.122 schwarze 388: break;
389: default:
1.267 schwarze 390: if (act->post == NULL || n->flags & NODE_ENDED)
1.122 schwarze 391: break;
1.267 schwarze 392: (void)(*act->post)(p, &npair, meta, n);
1.93 schwarze 393:
394: /*
395: * Explicit end tokens not only call the post
396: * handler, but also tell the respective block
397: * that it must not call the post handler again.
398: */
1.95 schwarze 399: if (ENDBODY_NOT != n->end)
1.237 schwarze 400: n->body->flags |= NODE_ENDED;
1.122 schwarze 401: break;
1.93 schwarze 402: }
1.28 schwarze 403:
1.237 schwarze 404: if (NODE_EOS & n->flags)
1.78 schwarze 405: p->flags |= TERMP_SENTENCE;
406:
1.258 schwarze 407: if (n->type != ROFFT_TEXT)
1.261 schwarze 408: p->tcol->offset = offset;
409: p->tcol->rmargin = rmargin;
1.1 kristaps 410: }
411:
412: static void
1.215 schwarze 413: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 414: {
1.191 schwarze 415: size_t sz;
1.87 schwarze 416:
1.65 schwarze 417: term_fontrepl(p, TERMFONT_NONE);
418:
1.166 schwarze 419: /*
1.7 schwarze 420: * Output the footer in new-groff style, that is, three columns
421: * with the middle being the manual date and flanking columns
422: * being the operating system:
423: *
424: * SYSTEM DATE SYSTEM
425: */
426:
1.1 kristaps 427: term_vspace(p);
428:
1.261 schwarze 429: p->tcol->offset = 0;
1.191 schwarze 430: sz = term_strlen(p, meta->date);
1.261 schwarze 431: p->tcol->rmargin = p->maxrmargin > sz ?
1.191 schwarze 432: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.152 schwarze 433: p->trailspace = 1;
1.1 kristaps 434: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
435:
1.147 schwarze 436: term_word(p, meta->os);
1.1 kristaps 437: term_flushln(p);
438:
1.261 schwarze 439: p->tcol->offset = p->tcol->rmargin;
1.191 schwarze 440: sz = term_strlen(p, meta->os);
1.261 schwarze 441: p->tcol->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.136 schwarze 442: p->flags |= TERMP_NOSPACE;
1.7 schwarze 443:
1.147 schwarze 444: term_word(p, meta->date);
1.7 schwarze 445: term_flushln(p);
446:
1.261 schwarze 447: p->tcol->offset = p->tcol->rmargin;
448: p->tcol->rmargin = p->maxrmargin;
1.152 schwarze 449: p->trailspace = 0;
1.1 kristaps 450: p->flags &= ~TERMP_NOBREAK;
1.136 schwarze 451: p->flags |= TERMP_NOSPACE;
1.1 kristaps 452:
1.147 schwarze 453: term_word(p, meta->os);
1.1 kristaps 454: term_flushln(p);
1.7 schwarze 455:
1.261 schwarze 456: p->tcol->offset = 0;
457: p->tcol->rmargin = p->maxrmargin;
1.7 schwarze 458: p->flags = 0;
1.1 kristaps 459: }
460:
461: static void
1.215 schwarze 462: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 463: {
1.169 schwarze 464: char *volume, *title;
465: size_t vollen, titlen;
1.1 kristaps 466:
467: /*
468: * The header is strange. It has three components, which are
469: * really two with the first duplicated. It goes like this:
470: *
471: * IDENTIFIER TITLE IDENTIFIER
472: *
473: * The IDENTIFIER is NAME(SECTION), which is the command-name
474: * (if given, or "unknown" if not) followed by the manual page
475: * section. These are given in `Dt'. The TITLE is a free-form
476: * string depending on the manual volume. If not specified, it
477: * switches on the manual section.
478: */
1.137 schwarze 479:
1.147 schwarze 480: assert(meta->vol);
1.169 schwarze 481: if (NULL == meta->arch)
482: volume = mandoc_strdup(meta->vol);
483: else
484: mandoc_asprintf(&volume, "%s (%s)",
485: meta->vol, meta->arch);
486: vollen = term_strlen(p, volume);
1.1 kristaps 487:
1.177 schwarze 488: if (NULL == meta->msec)
489: title = mandoc_strdup(meta->title);
490: else
491: mandoc_asprintf(&title, "%s(%s)",
492: meta->title, meta->msec);
1.137 schwarze 493: titlen = term_strlen(p, title);
1.1 kristaps 494:
1.137 schwarze 495: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.152 schwarze 496: p->trailspace = 1;
1.261 schwarze 497: p->tcol->offset = 0;
498: p->tcol->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1.169 schwarze 499: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.191 schwarze 500: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 501:
502: term_word(p, title);
503: term_flushln(p);
504:
1.137 schwarze 505: p->flags |= TERMP_NOSPACE;
1.261 schwarze 506: p->tcol->offset = p->tcol->rmargin;
507: p->tcol->rmargin = p->tcol->offset + vollen + titlen <
508: p->maxrmargin ? p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 509:
1.169 schwarze 510: term_word(p, volume);
1.1 kristaps 511: term_flushln(p);
512:
513: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 514: p->trailspace = 0;
1.261 schwarze 515: if (p->tcol->rmargin + titlen <= p->maxrmargin) {
1.137 schwarze 516: p->flags |= TERMP_NOSPACE;
1.261 schwarze 517: p->tcol->offset = p->tcol->rmargin;
518: p->tcol->rmargin = p->maxrmargin;
1.137 schwarze 519: term_word(p, title);
520: term_flushln(p);
521: }
1.1 kristaps 522:
1.137 schwarze 523: p->flags &= ~TERMP_NOSPACE;
1.261 schwarze 524: p->tcol->offset = 0;
525: p->tcol->rmargin = p->maxrmargin;
1.168 schwarze 526: free(title);
1.169 schwarze 527: free(volume);
1.1 kristaps 528: }
529:
1.201 schwarze 530: static int
1.89 schwarze 531: a2width(const struct termp *p, const char *v)
1.61 schwarze 532: {
533: struct roffsu su;
1.262 schwarze 534: const char *end;
1.1 kristaps 535:
1.262 schwarze 536: end = a2roffsu(v, &su, SCALE_MAX);
537: if (end == NULL || *end != '\0') {
1.89 schwarze 538: SCALE_HS_INIT(&su, term_strlen(p, v));
1.182 schwarze 539: su.scale /= term_strlen(p, "0");
1.201 schwarze 540: }
1.263 schwarze 541: return term_hen(p, &su);
1.1 kristaps 542: }
543:
1.68 schwarze 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: */
1.45 schwarze 549: static void
1.166 schwarze 550: print_bvspace(struct termp *p,
1.214 schwarze 551: const struct roff_node *bl,
552: const struct roff_node *n)
1.1 kristaps 553: {
1.214 schwarze 554: const struct roff_node *nn;
1.138 schwarze 555:
556: assert(n);
1.1 kristaps 557:
558: term_newln(p);
1.88 schwarze 559:
1.121 schwarze 560: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.88 schwarze 561: return;
1.121 schwarze 562: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.45 schwarze 563: return;
564:
1.60 schwarze 565: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 566:
1.188 schwarze 567: nn = n;
1.266 schwarze 568: while (nn->prev != NULL &&
569: (nn->prev->type == ROFFT_COMMENT ||
570: nn->prev->flags & NODE_NOPRT))
1.236 schwarze 571: nn = nn->prev;
1.188 schwarze 572: while (nn->prev == NULL) {
573: do {
574: nn = nn->parent;
1.213 schwarze 575: if (nn->type == ROFFT_ROOT)
1.188 schwarze 576: return;
1.213 schwarze 577: } while (nn->type != ROFFT_BLOCK);
1.188 schwarze 578: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.45 schwarze 579: return;
1.188 schwarze 580: if (nn->tok == MDOC_It &&
581: nn->parent->parent->norm->Bl.type != LIST_item)
582: break;
1.1 kristaps 583: }
584:
1.60 schwarze 585: /* A `-column' does not assert vspace within the list. */
1.45 schwarze 586:
1.121 schwarze 587: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.60 schwarze 588: if (n->prev && MDOC_It == n->prev->tok)
1.45 schwarze 589: return;
590:
1.60 schwarze 591: /* A `-diag' without body does not vspace. */
592:
1.121 schwarze 593: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.60 schwarze 594: if (n->prev && MDOC_It == n->prev->tok) {
595: assert(n->prev->body);
596: if (NULL == n->prev->body->child)
1.45 schwarze 597: return;
598: }
599:
600: term_vspace(p);
1.162 schwarze 601: }
602:
1.1 kristaps 603:
604: static int
605: termp_it_pre(DECL_ARGS)
606: {
1.244 schwarze 607: struct roffsu su;
1.201 schwarze 608: char buf[24];
1.214 schwarze 609: const struct roff_node *bl, *nn;
1.201 schwarze 610: size_t ncols, dcol;
611: int i, offset, width;
1.82 schwarze 612: enum mdoc_list type;
1.1 kristaps 613:
1.213 schwarze 614: if (n->type == ROFFT_BLOCK) {
1.61 schwarze 615: print_bvspace(p, n->parent->parent, n);
1.227 schwarze 616: return 1;
1.45 schwarze 617: }
1.1 kristaps 618:
1.60 schwarze 619: bl = n->parent->parent->parent;
1.121 schwarze 620: type = bl->norm->Bl.type;
1.1 kristaps 621:
1.166 schwarze 622: /*
1.201 schwarze 623: * Defaults for specific list types.
624: */
625:
626: switch (type) {
627: case LIST_bullet:
628: case LIST_dash:
629: case LIST_hyphen:
630: case LIST_enum:
631: width = term_len(p, 2);
632: break;
633: case LIST_hang:
1.231 schwarze 634: case LIST_tag:
1.201 schwarze 635: width = term_len(p, 8);
636: break;
637: case LIST_column:
638: width = term_len(p, 10);
639: break;
640: default:
641: width = 0;
642: break;
643: }
644: offset = 0;
645:
646: /*
1.68 schwarze 647: * First calculate width and offset. This is pretty easy unless
648: * we're a -column list, in which case all prior columns must
649: * be accounted for.
650: */
651:
1.201 schwarze 652: if (bl->norm->Bl.offs != NULL) {
1.187 schwarze 653: offset = a2width(p, bl->norm->Bl.offs);
1.261 schwarze 654: if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
655: offset = -p->tcol->offset;
1.201 schwarze 656: else if (offset > SHRT_MAX)
657: offset = 0;
658: }
1.66 schwarze 659:
1.1 kristaps 660: switch (type) {
1.166 schwarze 661: case LIST_column:
1.213 schwarze 662: if (n->type == ROFFT_HEAD)
1.1 kristaps 663: break;
1.88 schwarze 664:
1.66 schwarze 665: /*
1.68 schwarze 666: * Imitate groff's column handling:
667: * - For each earlier column, add its width.
668: * - For less than 5 columns, add four more blanks per
669: * column.
670: * - For exactly 5 columns, add three more blank per
671: * column.
672: * - For more than 5 columns, add only one column.
1.66 schwarze 673: */
1.121 schwarze 674: ncols = bl->norm->Bl.ncols;
1.166 schwarze 675: dcol = ncols < 5 ? term_len(p, 4) :
676: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68 schwarze 677:
1.85 schwarze 678: /*
1.213 schwarze 679: * Calculate the offset by applying all prior ROFFT_BODY,
680: * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.85 schwarze 681: */
682:
1.166 schwarze 683: for (i = 0, nn = n->prev;
684: nn->prev && i < (int)ncols;
1.244 schwarze 685: nn = nn->prev, i++) {
686: SCALE_HS_INIT(&su,
687: term_strlen(p, bl->norm->Bl.cols[i]));
688: su.scale /= term_strlen(p, "0");
1.263 schwarze 689: offset += term_hen(p, &su) + dcol;
1.244 schwarze 690: }
1.66 schwarze 691:
692: /*
1.68 schwarze 693: * When exceeding the declared number of columns, leave
694: * the remaining widths at 0. This will later be
695: * adjusted to the default width of 10, or, for the last
696: * column, stretched to the right margin.
1.46 schwarze 697: */
1.68 schwarze 698: if (i >= (int)ncols)
699: break;
1.46 schwarze 700:
1.66 schwarze 701: /*
1.68 schwarze 702: * Use the declared column widths, extended as explained
703: * in the preceding paragraph.
1.66 schwarze 704: */
1.244 schwarze 705: SCALE_HS_INIT(&su, term_strlen(p, bl->norm->Bl.cols[i]));
706: su.scale /= term_strlen(p, "0");
1.263 schwarze 707: width = term_hen(p, &su) + dcol;
1.1 kristaps 708: break;
709: default:
1.121 schwarze 710: if (NULL == bl->norm->Bl.width)
1.68 schwarze 711: break;
712:
1.166 schwarze 713: /*
1.68 schwarze 714: * Note: buffer the width by 2, which is groff's magic
715: * number for buffering single arguments. See the above
716: * handling for column for how this changes.
717: */
1.121 schwarze 718: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.261 schwarze 719: if (width < 0 && (size_t)(-width) > p->tcol->offset)
720: width = -p->tcol->offset;
1.201 schwarze 721: else if (width > SHRT_MAX)
722: width = 0;
1.1 kristaps 723: break;
724: }
725:
1.166 schwarze 726: /*
1.16 schwarze 727: * Whitespace control. Inset bodies need an initial space,
728: * while diagonal bodies need two.
1.1 kristaps 729: */
730:
1.42 schwarze 731: p->flags |= TERMP_NOSPACE;
732:
1.1 kristaps 733: switch (type) {
1.166 schwarze 734: case LIST_diag:
1.213 schwarze 735: if (n->type == ROFFT_BODY)
1.48 schwarze 736: term_word(p, "\\ \\ ");
1.42 schwarze 737: break;
1.166 schwarze 738: case LIST_inset:
1.230 schwarze 739: if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.42 schwarze 740: term_word(p, "\\ ");
1.1 kristaps 741: break;
742: default:
743: break;
744: }
745:
1.42 schwarze 746: p->flags |= TERMP_NOSPACE;
747:
1.1 kristaps 748: switch (type) {
1.166 schwarze 749: case LIST_diag:
1.213 schwarze 750: if (n->type == ROFFT_HEAD)
1.65 schwarze 751: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 752: break;
753: default:
754: break;
755: }
756:
757: /*
1.68 schwarze 758: * Pad and break control. This is the tricky part. These flags
759: * are documented in term_flushln() in term.c. Note that we're
760: * going to unset all of these flags in termp_it_post() when we
761: * exit.
1.1 kristaps 762: */
763:
764: switch (type) {
1.166 schwarze 765: case LIST_enum:
1.228 schwarze 766: case LIST_bullet:
767: case LIST_dash:
768: case LIST_hyphen:
1.259 schwarze 769: if (n->type == ROFFT_HEAD) {
770: p->flags |= TERMP_NOBREAK | TERMP_HANG;
771: p->trailspace = 1;
772: } else if (width <= (int)term_len(p, 2))
773: p->flags |= TERMP_NOPAD;
1.33 schwarze 774: break;
1.166 schwarze 775: case LIST_hang:
1.213 schwarze 776: if (n->type != ROFFT_HEAD)
1.47 schwarze 777: break;
1.165 schwarze 778: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.152 schwarze 779: p->trailspace = 1;
1.33 schwarze 780: break;
1.166 schwarze 781: case LIST_tag:
1.213 schwarze 782: if (n->type != ROFFT_HEAD)
1.33 schwarze 783: break;
1.152 schwarze 784:
1.225 schwarze 785: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.152 schwarze 786: p->trailspace = 2;
787:
1.60 schwarze 788: if (NULL == n->next || NULL == n->next->child)
1.259 schwarze 789: p->flags |= TERMP_HANG;
1.1 kristaps 790: break;
1.166 schwarze 791: case LIST_column:
1.213 schwarze 792: if (n->type == ROFFT_HEAD)
1.85 schwarze 793: break;
794:
1.152 schwarze 795: if (NULL == n->next) {
1.85 schwarze 796: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 797: p->trailspace = 0;
798: } else {
1.85 schwarze 799: p->flags |= TERMP_NOBREAK;
1.152 schwarze 800: p->trailspace = 1;
801: }
1.85 schwarze 802:
1.1 kristaps 803: break;
1.166 schwarze 804: case LIST_diag:
1.213 schwarze 805: if (n->type != ROFFT_HEAD)
1.152 schwarze 806: break;
1.165 schwarze 807: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 808: p->trailspace = 1;
1.1 kristaps 809: break;
810: default:
811: break;
812: }
813:
1.166 schwarze 814: /*
1.1 kristaps 815: * Margin control. Set-head-width lists have their right
816: * margins shortened. The body for these lists has the offset
817: * necessarily lengthened. Everybody gets the offset.
818: */
819:
1.261 schwarze 820: p->tcol->offset += offset;
1.1 kristaps 821:
822: switch (type) {
1.166 schwarze 823: case LIST_bullet:
824: case LIST_dash:
825: case LIST_enum:
826: case LIST_hyphen:
1.259 schwarze 827: case LIST_hang:
1.166 schwarze 828: case LIST_tag:
1.213 schwarze 829: if (n->type == ROFFT_HEAD)
1.261 schwarze 830: p->tcol->rmargin = p->tcol->offset + width;
1.191 schwarze 831: else
1.261 schwarze 832: p->tcol->offset += width;
1.1 kristaps 833: break;
1.166 schwarze 834: case LIST_column:
1.41 schwarze 835: assert(width);
1.261 schwarze 836: p->tcol->rmargin = p->tcol->offset + width;
1.166 schwarze 837: /*
1.43 schwarze 838: * XXX - this behaviour is not documented: the
839: * right-most column is filled to the right margin.
840: */
1.213 schwarze 841: if (n->type == ROFFT_HEAD)
1.85 schwarze 842: break;
1.261 schwarze 843: if (n->next == NULL && p->tcol->rmargin < p->maxrmargin)
844: p->tcol->rmargin = p->maxrmargin;
1.1 kristaps 845: break;
846: default:
847: break;
848: }
849:
1.166 schwarze 850: /*
1.1 kristaps 851: * The dash, hyphen, bullet and enum lists all have a special
1.166 schwarze 852: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 853: */
854:
1.213 schwarze 855: if (n->type == ROFFT_HEAD)
1.1 kristaps 856: switch (type) {
1.166 schwarze 857: case LIST_bullet:
1.65 schwarze 858: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 859: term_word(p, "\\[bu]");
1.65 schwarze 860: term_fontpop(p);
1.1 kristaps 861: break;
1.166 schwarze 862: case LIST_dash:
863: case LIST_hyphen:
1.65 schwarze 864: term_fontpush(p, TERMFONT_BOLD);
1.229 schwarze 865: term_word(p, "-");
1.65 schwarze 866: term_fontpop(p);
1.1 kristaps 867: break;
1.166 schwarze 868: case LIST_enum:
1.1 kristaps 869: (pair->ppair->ppair->count)++;
1.167 schwarze 870: (void)snprintf(buf, sizeof(buf), "%d.",
1.166 schwarze 871: pair->ppair->ppair->count);
1.1 kristaps 872: term_word(p, buf);
873: break;
874: default:
875: break;
876: }
1.12 schwarze 877:
1.166 schwarze 878: /*
1.1 kristaps 879: * If we're not going to process our children, indicate so here.
880: */
881:
882: switch (type) {
1.166 schwarze 883: case LIST_bullet:
884: case LIST_item:
885: case LIST_dash:
886: case LIST_hyphen:
887: case LIST_enum:
1.213 schwarze 888: if (n->type == ROFFT_HEAD)
1.227 schwarze 889: return 0;
1.1 kristaps 890: break;
1.166 schwarze 891: case LIST_column:
1.213 schwarze 892: if (n->type == ROFFT_HEAD)
1.227 schwarze 893: return 0;
1.259 schwarze 894: p->minbl = 0;
1.1 kristaps 895: break;
896: default:
897: break;
898: }
899:
1.227 schwarze 900: return 1;
1.1 kristaps 901: }
902:
903: static void
904: termp_it_post(DECL_ARGS)
905: {
1.82 schwarze 906: enum mdoc_list type;
1.1 kristaps 907:
1.213 schwarze 908: if (n->type == ROFFT_BLOCK)
1.1 kristaps 909: return;
910:
1.121 schwarze 911: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 912:
913: switch (type) {
1.166 schwarze 914: case LIST_item:
915: case LIST_diag:
916: case LIST_inset:
1.213 schwarze 917: if (n->type == ROFFT_BODY)
1.74 schwarze 918: term_newln(p);
1.1 kristaps 919: break;
1.166 schwarze 920: case LIST_column:
1.213 schwarze 921: if (n->type == ROFFT_BODY)
1.1 kristaps 922: term_flushln(p);
923: break;
924: default:
1.74 schwarze 925: term_newln(p);
1.1 kristaps 926: break;
927: }
928:
1.166 schwarze 929: /*
1.68 schwarze 930: * Now that our output is flushed, we can reset our tags. Since
931: * only `It' sets these flags, we're free to assume that nobody
932: * has munged them in the meanwhile.
933: */
934:
1.259 schwarze 935: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND | TERMP_HANG);
1.152 schwarze 936: p->trailspace = 0;
1.1 kristaps 937: }
938:
939: static int
940: termp_nm_pre(DECL_ARGS)
941: {
1.195 schwarze 942: const char *cp;
1.1 kristaps 943:
1.213 schwarze 944: if (n->type == ROFFT_BLOCK) {
1.155 schwarze 945: p->flags |= TERMP_PREKEEP;
1.227 schwarze 946: return 1;
1.155 schwarze 947: }
1.94 schwarze 948:
1.213 schwarze 949: if (n->type == ROFFT_BODY) {
1.261 schwarze 950: if (n->child == NULL)
1.227 schwarze 951: return 0;
1.136 schwarze 952: p->flags |= TERMP_NOSPACE;
1.195 schwarze 953: cp = NULL;
954: if (n->prev->child != NULL)
955: cp = n->prev->child->string;
956: if (cp == NULL)
957: cp = meta->name;
958: if (cp == NULL)
1.261 schwarze 959: p->tcol->offset += term_len(p, 6);
1.195 schwarze 960: else
1.261 schwarze 961: p->tcol->offset += term_len(p, 1) +
962: term_strlen(p, cp);
1.227 schwarze 963: return 1;
1.94 schwarze 964: }
965:
1.242 schwarze 966: if (n->child == NULL)
1.227 schwarze 967: return 0;
1.81 schwarze 968:
1.213 schwarze 969: if (n->type == ROFFT_HEAD)
1.97 schwarze 970: synopsis_pre(p, n->parent);
1.65 schwarze 971:
1.213 schwarze 972: if (n->type == ROFFT_HEAD &&
1.261 schwarze 973: n->next != NULL && n->next->child != NULL) {
1.165 schwarze 974: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 975: p->trailspace = 1;
1.261 schwarze 976: p->tcol->rmargin = p->tcol->offset + term_len(p, 1);
977: if (n->child == NULL)
978: p->tcol->rmargin += term_strlen(p, meta->name);
979: else if (n->child->type == ROFFT_TEXT) {
980: p->tcol->rmargin += term_strlen(p, n->child->string);
981: if (n->child->next != NULL)
1.105 schwarze 982: p->flags |= TERMP_HANG;
983: } else {
1.261 schwarze 984: p->tcol->rmargin += term_len(p, 5);
1.105 schwarze 985: p->flags |= TERMP_HANG;
986: }
1.94 schwarze 987: }
988:
1.65 schwarze 989: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 990: return 1;
1.1 kristaps 991: }
992:
1.94 schwarze 993: static void
994: termp_nm_post(DECL_ARGS)
995: {
996:
1.213 schwarze 997: if (n->type == ROFFT_BLOCK) {
1.155 schwarze 998: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.213 schwarze 999: } else if (n->type == ROFFT_HEAD &&
1.178 schwarze 1000: NULL != n->next && NULL != n->next->child) {
1.94 schwarze 1001: term_flushln(p);
1.165 schwarze 1002: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.152 schwarze 1003: p->trailspace = 0;
1.213 schwarze 1004: } else if (n->type == ROFFT_BODY && n->child != NULL)
1.94 schwarze 1005: term_flushln(p);
1006: }
1007:
1.1 kristaps 1008: static int
1009: termp_fl_pre(DECL_ARGS)
1010: {
1011:
1.219 schwarze 1012: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1013: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1014: term_word(p, "\\-");
1.67 schwarze 1015:
1.230 schwarze 1016: if (!(n->child == NULL &&
1.179 schwarze 1017: (n->next == NULL ||
1.213 schwarze 1018: n->next->type == ROFFT_TEXT ||
1.237 schwarze 1019: n->next->flags & NODE_LINE)))
1.73 schwarze 1020: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1021:
1.227 schwarze 1022: return 1;
1.49 schwarze 1023: }
1024:
1025: static int
1.104 schwarze 1026: termp__a_pre(DECL_ARGS)
1027: {
1028:
1029: if (n->prev && MDOC__A == n->prev->tok)
1030: if (NULL == n->next || MDOC__A != n->next->tok)
1031: term_word(p, "and");
1032:
1.227 schwarze 1033: return 1;
1.104 schwarze 1034: }
1035:
1036: static int
1.49 schwarze 1037: termp_an_pre(DECL_ARGS)
1038: {
1039:
1.181 schwarze 1040: if (n->norm->An.auth == AUTH_split) {
1041: p->flags &= ~TERMP_NOSPLIT;
1042: p->flags |= TERMP_SPLIT;
1.227 schwarze 1043: return 0;
1.181 schwarze 1044: }
1045: if (n->norm->An.auth == AUTH_nosplit) {
1046: p->flags &= ~TERMP_SPLIT;
1047: p->flags |= TERMP_NOSPLIT;
1.227 schwarze 1048: return 0;
1.181 schwarze 1049: }
1.166 schwarze 1050:
1.181 schwarze 1051: if (p->flags & TERMP_SPLIT)
1.49 schwarze 1052: term_newln(p);
1053:
1.181 schwarze 1054: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1055: p->flags |= TERMP_SPLIT;
1.49 schwarze 1056:
1.227 schwarze 1057: return 1;
1.1 kristaps 1058: }
1059:
1060: static int
1061: termp_ns_pre(DECL_ARGS)
1062: {
1063:
1.237 schwarze 1064: if ( ! (NODE_LINE & n->flags))
1.127 schwarze 1065: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1066: return 1;
1.1 kristaps 1067: }
1068:
1069: static int
1070: termp_rs_pre(DECL_ARGS)
1071: {
1072:
1.60 schwarze 1073: if (SEC_SEE_ALSO != n->sec)
1.227 schwarze 1074: return 1;
1.213 schwarze 1075: if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1 kristaps 1076: term_vspace(p);
1.227 schwarze 1077: return 1;
1.1 kristaps 1078: }
1079:
1080: static int
1081: termp_ex_pre(DECL_ARGS)
1082: {
1.132 schwarze 1083: term_newln(p);
1.240 schwarze 1084: return 1;
1.1 kristaps 1085: }
1086:
1087: static int
1088: termp_nd_pre(DECL_ARGS)
1089: {
1.25 schwarze 1090:
1.213 schwarze 1091: if (n->type == ROFFT_BODY)
1.196 schwarze 1092: term_word(p, "\\(en");
1.227 schwarze 1093: return 1;
1.1 kristaps 1094: }
1095:
1.73 schwarze 1096: static int
1097: termp_bl_pre(DECL_ARGS)
1098: {
1099:
1.227 schwarze 1100: return n->type != ROFFT_HEAD;
1.73 schwarze 1101: }
1102:
1.1 kristaps 1103: static void
1104: termp_bl_post(DECL_ARGS)
1105: {
1106:
1.255 schwarze 1107: if (n->type != ROFFT_BLOCK)
1108: return;
1109: term_newln(p);
1110: if (n->tok != MDOC_Bl || n->norm->Bl.type != LIST_column)
1111: return;
1112: term_tab_set(p, NULL);
1113: term_tab_set(p, "T");
1114: term_tab_set(p, ".5i");
1.1 kristaps 1115: }
1116:
1117: static int
1118: termp_xr_pre(DECL_ARGS)
1119: {
1120:
1.132 schwarze 1121: if (NULL == (n = n->child))
1.227 schwarze 1122: return 0;
1.72 schwarze 1123:
1.213 schwarze 1124: assert(n->type == ROFFT_TEXT);
1.132 schwarze 1125: term_word(p, n->string);
1.10 schwarze 1126:
1.166 schwarze 1127: if (NULL == (n = n->next))
1.227 schwarze 1128: return 0;
1.132 schwarze 1129:
1.1 kristaps 1130: p->flags |= TERMP_NOSPACE;
1131: term_word(p, "(");
1.132 schwarze 1132: p->flags |= TERMP_NOSPACE;
1133:
1.213 schwarze 1134: assert(n->type == ROFFT_TEXT);
1.132 schwarze 1135: term_word(p, n->string);
1136:
1137: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1138: term_word(p, ")");
1.60 schwarze 1139:
1.227 schwarze 1140: return 0;
1.1 kristaps 1141: }
1142:
1.86 schwarze 1143: /*
1144: * This decides how to assert whitespace before any of the SYNOPSIS set
1145: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1146: * macro combos).
1147: */
1148: static void
1.214 schwarze 1149: synopsis_pre(struct termp *p, const struct roff_node *n)
1.86 schwarze 1150: {
1.166 schwarze 1151: /*
1.86 schwarze 1152: * Obviously, if we're not in a SYNOPSIS or no prior macros
1153: * exist, do nothing.
1154: */
1.237 schwarze 1155: if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.86 schwarze 1156: return;
1157:
1158: /*
1159: * If we're the second in a pair of like elements, emit our
1160: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1161: * case we soldier on.
1162: */
1.166 schwarze 1163: if (n->prev->tok == n->tok &&
1164: MDOC_Ft != n->tok &&
1165: MDOC_Fo != n->tok &&
1166: MDOC_Fn != n->tok) {
1.86 schwarze 1167: term_newln(p);
1168: return;
1169: }
1170:
1171: /*
1172: * If we're one of the SYNOPSIS set and non-like pair-wise after
1173: * another (or Fn/Fo, which we've let slip through) then assert
1174: * vertical space, else only newline and move on.
1175: */
1176: switch (n->prev->tok) {
1.166 schwarze 1177: case MDOC_Fd:
1178: case MDOC_Fn:
1179: case MDOC_Fo:
1180: case MDOC_In:
1181: case MDOC_Vt:
1.86 schwarze 1182: term_vspace(p);
1183: break;
1.166 schwarze 1184: case MDOC_Ft:
1.86 schwarze 1185: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1186: term_vspace(p);
1187: break;
1188: }
1189: /* FALLTHROUGH */
1190: default:
1191: term_newln(p);
1192: break;
1193: }
1194: }
1195:
1.69 schwarze 1196: static int
1197: termp_vt_pre(DECL_ARGS)
1198: {
1199:
1.213 schwarze 1200: if (n->type == ROFFT_ELEM) {
1.86 schwarze 1201: synopsis_pre(p, n);
1.227 schwarze 1202: return termp_under_pre(p, pair, meta, n);
1.213 schwarze 1203: } else if (n->type == ROFFT_BLOCK) {
1.86 schwarze 1204: synopsis_pre(p, n);
1.227 schwarze 1205: return 1;
1.213 schwarze 1206: } else if (n->type == ROFFT_HEAD)
1.227 schwarze 1207: return 0;
1.69 schwarze 1208:
1.227 schwarze 1209: return termp_under_pre(p, pair, meta, n);
1.69 schwarze 1210: }
1211:
1.1 kristaps 1212: static int
1.54 schwarze 1213: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1214: {
1215:
1.219 schwarze 1216: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1217: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1218: return 1;
1.1 kristaps 1219: }
1220:
1.86 schwarze 1221: static int
1222: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1223: {
1224:
1.86 schwarze 1225: synopsis_pre(p, n);
1.227 schwarze 1226: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1227: }
1228:
1.143 schwarze 1229: static void
1230: termp_fd_post(DECL_ARGS)
1231: {
1232:
1233: term_newln(p);
1234: }
1235:
1.1 kristaps 1236: static int
1237: termp_sh_pre(DECL_ARGS)
1238: {
1.60 schwarze 1239:
1240: switch (n->type) {
1.213 schwarze 1241: case ROFFT_BLOCK:
1.192 schwarze 1242: /*
1243: * Vertical space before sections, except
1244: * when the previous section was empty.
1245: */
1246: if (n->prev == NULL ||
1.221 schwarze 1247: n->prev->tok != MDOC_Sh ||
1.192 schwarze 1248: (n->prev->body != NULL &&
1249: n->prev->body->child != NULL))
1250: term_vspace(p);
1.52 schwarze 1251: break;
1.213 schwarze 1252: case ROFFT_HEAD:
1.65 schwarze 1253: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1254: break;
1.213 schwarze 1255: case ROFFT_BODY:
1.261 schwarze 1256: p->tcol->offset = term_len(p, p->defindent);
1.255 schwarze 1257: term_tab_set(p, NULL);
1258: term_tab_set(p, "T");
1259: term_tab_set(p, ".5i");
1.221 schwarze 1260: switch (n->sec) {
1261: case SEC_DESCRIPTION:
1262: fn_prio = 0;
1263: break;
1264: case SEC_AUTHORS:
1.141 schwarze 1265: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.221 schwarze 1266: break;
1267: default:
1268: break;
1269: }
1.1 kristaps 1270: break;
1271: default:
1272: break;
1273: }
1.227 schwarze 1274: return 1;
1.1 kristaps 1275: }
1276:
1277: static void
1278: termp_sh_post(DECL_ARGS)
1279: {
1280:
1.60 schwarze 1281: switch (n->type) {
1.213 schwarze 1282: case ROFFT_HEAD:
1.1 kristaps 1283: term_newln(p);
1284: break;
1.213 schwarze 1285: case ROFFT_BODY:
1.1 kristaps 1286: term_newln(p);
1.261 schwarze 1287: p->tcol->offset = 0;
1.1 kristaps 1288: break;
1289: default:
1290: break;
1291: }
1292: }
1293:
1294: static void
1295: termp_lb_post(DECL_ARGS)
1296: {
1297:
1.237 schwarze 1298: if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
1.57 schwarze 1299: term_newln(p);
1.1 kristaps 1300: }
1301:
1302: static int
1303: termp_d1_pre(DECL_ARGS)
1304: {
1305:
1.213 schwarze 1306: if (n->type != ROFFT_BLOCK)
1.227 schwarze 1307: return 1;
1.1 kristaps 1308: term_newln(p);
1.261 schwarze 1309: p->tcol->offset += term_len(p, p->defindent + 1);
1.255 schwarze 1310: term_tab_set(p, NULL);
1311: term_tab_set(p, "T");
1312: term_tab_set(p, ".5i");
1.227 schwarze 1313: return 1;
1.1 kristaps 1314: }
1315:
1316: static int
1317: termp_ft_pre(DECL_ARGS)
1318: {
1319:
1.237 schwarze 1320: /* NB: NODE_LINE does not effect this! */
1.86 schwarze 1321: synopsis_pre(p, n);
1.65 schwarze 1322: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 1323: return 1;
1.1 kristaps 1324: }
1325:
1326: static int
1327: termp_fn_pre(DECL_ARGS)
1328: {
1.159 schwarze 1329: size_t rmargin = 0;
1.132 schwarze 1330: int pretty;
1331:
1.237 schwarze 1332: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1333:
1.86 schwarze 1334: synopsis_pre(p, n);
1.85 schwarze 1335:
1.132 schwarze 1336: if (NULL == (n = n->child))
1.227 schwarze 1337: return 0;
1.132 schwarze 1338:
1.153 schwarze 1339: if (pretty) {
1.261 schwarze 1340: rmargin = p->tcol->rmargin;
1341: p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
1.165 schwarze 1342: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.153 schwarze 1343: }
1344:
1.213 schwarze 1345: assert(n->type == ROFFT_TEXT);
1.65 schwarze 1346: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1347: term_word(p, n->string);
1.65 schwarze 1348: term_fontpop(p);
1.1 kristaps 1349:
1.235 schwarze 1350: if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.223 schwarze 1351: tag_put(n->string, ++fn_prio, p->line);
1.221 schwarze 1352:
1.153 schwarze 1353: if (pretty) {
1354: term_flushln(p);
1.165 schwarze 1355: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.259 schwarze 1356: p->flags |= TERMP_NOPAD;
1.261 schwarze 1357: p->tcol->offset = p->tcol->rmargin;
1358: p->tcol->rmargin = rmargin;
1.153 schwarze 1359: }
1360:
1.1 kristaps 1361: p->flags |= TERMP_NOSPACE;
1362: term_word(p, "(");
1.132 schwarze 1363: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1364:
1.132 schwarze 1365: for (n = n->next; n; n = n->next) {
1.213 schwarze 1366: assert(n->type == ROFFT_TEXT);
1.65 schwarze 1367: term_fontpush(p, TERMFONT_UNDER);
1.157 schwarze 1368: if (pretty)
1369: p->flags |= TERMP_NBRWORD;
1.132 schwarze 1370: term_word(p, n->string);
1.65 schwarze 1371: term_fontpop(p);
1372:
1.132 schwarze 1373: if (n->next) {
1374: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1375: term_word(p, ",");
1.132 schwarze 1376: }
1.1 kristaps 1377: }
1378:
1.132 schwarze 1379: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1380: term_word(p, ")");
1381:
1.132 schwarze 1382: if (pretty) {
1383: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1384: term_word(p, ";");
1.153 schwarze 1385: term_flushln(p);
1.132 schwarze 1386: }
1.1 kristaps 1387:
1.227 schwarze 1388: return 0;
1.1 kristaps 1389: }
1390:
1391: static int
1392: termp_fa_pre(DECL_ARGS)
1393: {
1.214 schwarze 1394: const struct roff_node *nn;
1.1 kristaps 1395:
1.60 schwarze 1396: if (n->parent->tok != MDOC_Fo) {
1.65 schwarze 1397: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 1398: return 1;
1.1 kristaps 1399: }
1400:
1.60 schwarze 1401: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1402: term_fontpush(p, TERMFONT_UNDER);
1.160 schwarze 1403: p->flags |= TERMP_NBRWORD;
1.60 schwarze 1404: term_word(p, nn->string);
1.65 schwarze 1405: term_fontpop(p);
1406:
1.158 schwarze 1407: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.132 schwarze 1408: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1409: term_word(p, ",");
1.132 schwarze 1410: }
1.1 kristaps 1411: }
1412:
1.227 schwarze 1413: return 0;
1.1 kristaps 1414: }
1415:
1416: static int
1417: termp_bd_pre(DECL_ARGS)
1418: {
1.260 schwarze 1419: size_t lm, len;
1.214 schwarze 1420: struct roff_node *nn;
1.201 schwarze 1421: int offset;
1.1 kristaps 1422:
1.213 schwarze 1423: if (n->type == ROFFT_BLOCK) {
1.61 schwarze 1424: print_bvspace(p, n, n);
1.227 schwarze 1425: return 1;
1.213 schwarze 1426: } else if (n->type == ROFFT_HEAD)
1.227 schwarze 1427: return 0;
1.1 kristaps 1428:
1.187 schwarze 1429: /* Handle the -offset argument. */
1430:
1431: if (n->norm->Bd.offs == NULL ||
1432: ! strcmp(n->norm->Bd.offs, "left"))
1433: /* nothing */;
1434: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1.261 schwarze 1435: p->tcol->offset += term_len(p, p->defindent + 1);
1.187 schwarze 1436: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1.261 schwarze 1437: p->tcol->offset += term_len(p, (p->defindent + 1) * 2);
1.201 schwarze 1438: else {
1439: offset = a2width(p, n->norm->Bd.offs);
1.261 schwarze 1440: if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
1441: p->tcol->offset = 0;
1.201 schwarze 1442: else if (offset < SHRT_MAX)
1.261 schwarze 1443: p->tcol->offset += offset;
1.201 schwarze 1444: }
1.60 schwarze 1445:
1446: /*
1447: * If -ragged or -filled are specified, the block does nothing
1448: * but change the indentation. If -unfilled or -literal are
1449: * specified, text is printed exactly as entered in the display:
1450: * for macro lines, a newline is appended to the line. Blank
1451: * lines are allowed.
1452: */
1.166 schwarze 1453:
1.261 schwarze 1454: if (n->norm->Bd.type != DISP_literal &&
1455: n->norm->Bd.type != DISP_unfilled &&
1456: n->norm->Bd.type != DISP_centered)
1.227 schwarze 1457: return 1;
1.1 kristaps 1458:
1.255 schwarze 1459: if (n->norm->Bd.type == DISP_literal) {
1460: term_tab_set(p, NULL);
1461: term_tab_set(p, "T");
1462: term_tab_set(p, "8n");
1463: }
1.123 schwarze 1464:
1.261 schwarze 1465: lm = p->tcol->offset;
1.260 schwarze 1466: p->flags |= TERMP_BRNEVER;
1.261 schwarze 1467: for (nn = n->child; nn != NULL; nn = nn->next) {
1468: if (n->norm->Bd.type == DISP_centered) {
1.213 schwarze 1469: if (nn->type == ROFFT_TEXT) {
1.174 schwarze 1470: len = term_strlen(p, nn->string);
1.261 schwarze 1471: p->tcol->offset = len >= p->tcol->rmargin ?
1472: 0 : lm + len >= p->tcol->rmargin ?
1473: p->tcol->rmargin - len :
1474: (lm + p->tcol->rmargin - len) / 2;
1.174 schwarze 1475: } else
1.261 schwarze 1476: p->tcol->offset = lm;
1.174 schwarze 1477: }
1.147 schwarze 1478: print_mdoc_node(p, pair, meta, nn);
1.108 schwarze 1479: /*
1480: * If the printed node flushes its own line, then we
1481: * needn't do it here as well. This is hacky, but the
1482: * notion of selective eoln whitespace is pretty dumb
1483: * anyway, so don't sweat it.
1484: */
1.255 schwarze 1485: if (nn->tok < ROFF_MAX)
1486: continue;
1.108 schwarze 1487: switch (nn->tok) {
1.166 schwarze 1488: case MDOC_Sm:
1489: case MDOC_Bl:
1490: case MDOC_D1:
1491: case MDOC_Dl:
1492: case MDOC_Pp:
1.108 schwarze 1493: continue;
1494: default:
1495: break;
1496: }
1.198 schwarze 1497: if (p->flags & TERMP_NONEWLINE ||
1.237 schwarze 1498: (nn->next && ! (nn->next->flags & NODE_LINE)))
1.100 schwarze 1499: continue;
1500: term_flushln(p);
1.48 schwarze 1501: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1502: }
1.260 schwarze 1503: p->flags &= ~TERMP_BRNEVER;
1.227 schwarze 1504: return 0;
1.1 kristaps 1505: }
1506:
1507: static void
1508: termp_bd_post(DECL_ARGS)
1509: {
1.213 schwarze 1510: if (n->type != ROFFT_BODY)
1.1 kristaps 1511: return;
1.166 schwarze 1512: if (DISP_literal == n->norm->Bd.type ||
1513: DISP_unfilled == n->norm->Bd.type)
1.260 schwarze 1514: p->flags |= TERMP_BRNEVER;
1.48 schwarze 1515: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1516: term_newln(p);
1.260 schwarze 1517: p->flags &= ~TERMP_BRNEVER;
1.1 kristaps 1518: }
1519:
1520: static int
1.26 schwarze 1521: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1522: {
1.238 schwarze 1523: if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
1524: p->flags |= TERMP_PREKEEP;
1525: return 1;
1526: }
1.1 kristaps 1527:
1.238 schwarze 1528: static void
1529: termp_xx_post(DECL_ARGS)
1530: {
1531: if (n->aux == 0)
1532: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1 kristaps 1533: }
1534:
1535: static void
1536: termp_pf_post(DECL_ARGS)
1537: {
1538:
1.237 schwarze 1539: if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.197 schwarze 1540: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1541: }
1542:
1543: static int
1544: termp_ss_pre(DECL_ARGS)
1545: {
1.236 schwarze 1546: struct roff_node *nn;
1.1 kristaps 1547:
1.60 schwarze 1548: switch (n->type) {
1.213 schwarze 1549: case ROFFT_BLOCK:
1.1 kristaps 1550: term_newln(p);
1.236 schwarze 1551: for (nn = n->prev; nn != NULL; nn = nn->prev)
1.266 schwarze 1552: if (nn->type != ROFFT_COMMENT &&
1553: (nn->flags & NODE_NOPRT) == 0)
1.236 schwarze 1554: break;
1555: if (nn != NULL)
1.1 kristaps 1556: term_vspace(p);
1557: break;
1.213 schwarze 1558: case ROFFT_HEAD:
1.65 schwarze 1559: term_fontpush(p, TERMFONT_BOLD);
1.261 schwarze 1560: p->tcol->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1561: break;
1.213 schwarze 1562: case ROFFT_BODY:
1.261 schwarze 1563: p->tcol->offset = term_len(p, p->defindent);
1.255 schwarze 1564: term_tab_set(p, NULL);
1565: term_tab_set(p, "T");
1566: term_tab_set(p, ".5i");
1.176 schwarze 1567: break;
1.1 kristaps 1568: default:
1569: break;
1570: }
1571:
1.227 schwarze 1572: return 1;
1.1 kristaps 1573: }
1574:
1575: static void
1576: termp_ss_post(DECL_ARGS)
1577: {
1578:
1.213 schwarze 1579: if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1 kristaps 1580: term_newln(p);
1581: }
1582:
1583: static int
1584: termp_cd_pre(DECL_ARGS)
1585: {
1586:
1.86 schwarze 1587: synopsis_pre(p, n);
1.65 schwarze 1588: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1589: return 1;
1.1 kristaps 1590: }
1591:
1592: static int
1593: termp_in_pre(DECL_ARGS)
1594: {
1595:
1.86 schwarze 1596: synopsis_pre(p, n);
1.85 schwarze 1597:
1.237 schwarze 1598: if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
1.85 schwarze 1599: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1600: term_word(p, "#include");
1.85 schwarze 1601: term_word(p, "<");
1602: } else {
1603: term_word(p, "<");
1604: term_fontpush(p, TERMFONT_UNDER);
1605: }
1.23 schwarze 1606:
1.1 kristaps 1607: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1608: return 1;
1.1 kristaps 1609: }
1610:
1611: static void
1612: termp_in_post(DECL_ARGS)
1613: {
1614:
1.237 schwarze 1615: if (NODE_SYNPRETTY & n->flags)
1.85 schwarze 1616: term_fontpush(p, TERMFONT_BOLD);
1617:
1.59 schwarze 1618: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1619: term_word(p, ">");
1620:
1.237 schwarze 1621: if (NODE_SYNPRETTY & n->flags)
1.85 schwarze 1622: term_fontpop(p);
1.38 schwarze 1623: }
1624:
1625: static int
1.254 schwarze 1626: termp_pp_pre(DECL_ARGS)
1.38 schwarze 1627: {
1.254 schwarze 1628: fn_prio = 0;
1629: term_vspace(p);
1.227 schwarze 1630: return 0;
1.38 schwarze 1631: }
1632:
1633: static int
1.193 schwarze 1634: termp_skip_pre(DECL_ARGS)
1.170 schwarze 1635: {
1636:
1.227 schwarze 1637: return 0;
1.170 schwarze 1638: }
1639:
1640: static int
1.107 schwarze 1641: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1642: {
1643:
1.213 schwarze 1644: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.227 schwarze 1645: return 1;
1.1 kristaps 1646:
1.107 schwarze 1647: switch (n->tok) {
1.166 schwarze 1648: case MDOC_Ao:
1649: case MDOC_Aq:
1.230 schwarze 1650: term_word(p, n->child != NULL && n->child->next == NULL &&
1.202 schwarze 1651: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.107 schwarze 1652: break;
1.166 schwarze 1653: case MDOC_Bro:
1654: case MDOC_Brq:
1.107 schwarze 1655: term_word(p, "{");
1656: break;
1.166 schwarze 1657: case MDOC_Oo:
1658: case MDOC_Op:
1659: case MDOC_Bo:
1660: case MDOC_Bq:
1.107 schwarze 1661: term_word(p, "[");
1662: break;
1.245 schwarze 1663: case MDOC__T:
1664: /* FALLTHROUGH */
1.166 schwarze 1665: case MDOC_Do:
1666: case MDOC_Dq:
1.265 schwarze 1667: term_word(p, "\\(lq");
1.107 schwarze 1668: break;
1.170 schwarze 1669: case MDOC_En:
1670: if (NULL == n->norm->Es ||
1671: NULL == n->norm->Es->child)
1.227 schwarze 1672: return 1;
1.170 schwarze 1673: term_word(p, n->norm->Es->child->string);
1674: break;
1.166 schwarze 1675: case MDOC_Po:
1676: case MDOC_Pq:
1.107 schwarze 1677: term_word(p, "(");
1678: break;
1.166 schwarze 1679: case MDOC_Qo:
1680: case MDOC_Qq:
1.107 schwarze 1681: term_word(p, "\"");
1682: break;
1.166 schwarze 1683: case MDOC_Ql:
1684: case MDOC_So:
1685: case MDOC_Sq:
1.151 schwarze 1686: term_word(p, "\\(oq");
1.107 schwarze 1687: break;
1688: default:
1689: abort();
1690: }
1.1 kristaps 1691:
1692: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1693: return 1;
1.1 kristaps 1694: }
1695:
1696: static void
1.107 schwarze 1697: termp_quote_post(DECL_ARGS)
1.1 kristaps 1698: {
1699:
1.213 schwarze 1700: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1 kristaps 1701: return;
1702:
1.205 schwarze 1703: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1704:
1.107 schwarze 1705: switch (n->tok) {
1.166 schwarze 1706: case MDOC_Ao:
1707: case MDOC_Aq:
1.230 schwarze 1708: term_word(p, n->child != NULL && n->child->next == NULL &&
1.202 schwarze 1709: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.107 schwarze 1710: break;
1.166 schwarze 1711: case MDOC_Bro:
1712: case MDOC_Brq:
1.107 schwarze 1713: term_word(p, "}");
1714: break;
1.166 schwarze 1715: case MDOC_Oo:
1716: case MDOC_Op:
1717: case MDOC_Bo:
1718: case MDOC_Bq:
1.107 schwarze 1719: term_word(p, "]");
1720: break;
1.245 schwarze 1721: case MDOC__T:
1722: /* FALLTHROUGH */
1.166 schwarze 1723: case MDOC_Do:
1724: case MDOC_Dq:
1.265 schwarze 1725: term_word(p, "\\(rq");
1.170 schwarze 1726: break;
1727: case MDOC_En:
1.205 schwarze 1728: if (n->norm->Es == NULL ||
1729: n->norm->Es->child == NULL ||
1730: n->norm->Es->child->next == NULL)
1731: p->flags &= ~TERMP_NOSPACE;
1732: else
1.170 schwarze 1733: term_word(p, n->norm->Es->child->next->string);
1.107 schwarze 1734: break;
1.166 schwarze 1735: case MDOC_Po:
1736: case MDOC_Pq:
1.107 schwarze 1737: term_word(p, ")");
1738: break;
1.166 schwarze 1739: case MDOC_Qo:
1740: case MDOC_Qq:
1.107 schwarze 1741: term_word(p, "\"");
1742: break;
1.166 schwarze 1743: case MDOC_Ql:
1744: case MDOC_So:
1745: case MDOC_Sq:
1.151 schwarze 1746: term_word(p, "\\(cq");
1.107 schwarze 1747: break;
1748: default:
1749: abort();
1750: }
1.205 schwarze 1751: }
1752:
1753: static int
1754: termp_eo_pre(DECL_ARGS)
1755: {
1756:
1.213 schwarze 1757: if (n->type != ROFFT_BODY)
1.227 schwarze 1758: return 1;
1.205 schwarze 1759:
1760: if (n->end == ENDBODY_NOT &&
1761: n->parent->head->child == NULL &&
1762: n->child != NULL &&
1763: n->child->end != ENDBODY_NOT)
1764: term_word(p, "\\&");
1765: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.208 schwarze 1766: n->parent->head->child != NULL && (n->child != NULL ||
1767: (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.205 schwarze 1768: p->flags |= TERMP_NOSPACE;
1769:
1.227 schwarze 1770: return 1;
1.205 schwarze 1771: }
1772:
1773: static void
1774: termp_eo_post(DECL_ARGS)
1775: {
1776: int body, tail;
1777:
1.213 schwarze 1778: if (n->type != ROFFT_BODY)
1.205 schwarze 1779: return;
1780:
1781: if (n->end != ENDBODY_NOT) {
1782: p->flags &= ~TERMP_NOSPACE;
1783: return;
1784: }
1785:
1786: body = n->child != NULL || n->parent->head->child != NULL;
1787: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1788:
1789: if (body && tail)
1790: p->flags |= TERMP_NOSPACE;
1791: else if ( ! (body || tail))
1792: term_word(p, "\\&");
1793: else if ( ! tail)
1794: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1795: }
1796:
1797: static int
1798: termp_fo_pre(DECL_ARGS)
1799: {
1.159 schwarze 1800: size_t rmargin = 0;
1.158 schwarze 1801: int pretty;
1802:
1.237 schwarze 1803: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1804:
1.213 schwarze 1805: if (n->type == ROFFT_BLOCK) {
1.86 schwarze 1806: synopsis_pre(p, n);
1.227 schwarze 1807: return 1;
1.213 schwarze 1808: } else if (n->type == ROFFT_BODY) {
1.158 schwarze 1809: if (pretty) {
1.261 schwarze 1810: rmargin = p->tcol->rmargin;
1811: p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
1.165 schwarze 1812: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1813: TERMP_HANG;
1.158 schwarze 1814: }
1.31 schwarze 1815: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1816: term_word(p, "(");
1.132 schwarze 1817: p->flags |= TERMP_NOSPACE;
1.158 schwarze 1818: if (pretty) {
1819: term_flushln(p);
1.165 schwarze 1820: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1821: TERMP_HANG);
1.259 schwarze 1822: p->flags |= TERMP_NOPAD;
1.261 schwarze 1823: p->tcol->offset = p->tcol->rmargin;
1824: p->tcol->rmargin = rmargin;
1.158 schwarze 1825: }
1.227 schwarze 1826: return 1;
1.158 schwarze 1827: }
1.85 schwarze 1828:
1.95 schwarze 1829: if (NULL == n->child)
1.227 schwarze 1830: return 0;
1.95 schwarze 1831:
1.85 schwarze 1832: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 1833:
1.85 schwarze 1834: assert(n->child->string);
1.65 schwarze 1835: term_fontpush(p, TERMFONT_BOLD);
1.85 schwarze 1836: term_word(p, n->child->string);
1.227 schwarze 1837: return 0;
1.1 kristaps 1838: }
1839:
1840: static void
1841: termp_fo_post(DECL_ARGS)
1842: {
1843:
1.213 schwarze 1844: if (n->type != ROFFT_BODY)
1.86 schwarze 1845: return;
1846:
1.132 schwarze 1847: p->flags |= TERMP_NOSPACE;
1.86 schwarze 1848: term_word(p, ")");
1849:
1.237 schwarze 1850: if (NODE_SYNPRETTY & n->flags) {
1.132 schwarze 1851: p->flags |= TERMP_NOSPACE;
1.86 schwarze 1852: term_word(p, ";");
1.158 schwarze 1853: term_flushln(p);
1.132 schwarze 1854: }
1.1 kristaps 1855: }
1856:
1857: static int
1858: termp_bf_pre(DECL_ARGS)
1859: {
1860:
1.213 schwarze 1861: if (n->type == ROFFT_HEAD)
1.227 schwarze 1862: return 0;
1.213 schwarze 1863: else if (n->type != ROFFT_BODY)
1.227 schwarze 1864: return 1;
1.1 kristaps 1865:
1.166 schwarze 1866: if (FONT_Em == n->norm->Bf.font)
1.65 schwarze 1867: term_fontpush(p, TERMFONT_UNDER);
1.166 schwarze 1868: else if (FONT_Sy == n->norm->Bf.font)
1.65 schwarze 1869: term_fontpush(p, TERMFONT_BOLD);
1.166 schwarze 1870: else
1.65 schwarze 1871: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 1872:
1.227 schwarze 1873: return 1;
1.1 kristaps 1874: }
1875:
1876: static int
1877: termp_sm_pre(DECL_ARGS)
1878: {
1879:
1.171 schwarze 1880: if (NULL == n->child)
1881: p->flags ^= TERMP_NONOSPACE;
1882: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 1883: p->flags &= ~TERMP_NONOSPACE;
1.171 schwarze 1884: else
1.1 kristaps 1885: p->flags |= TERMP_NONOSPACE;
1.171 schwarze 1886:
1887: if (p->col && ! (TERMP_NONOSPACE & p->flags))
1888: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1889:
1.227 schwarze 1890: return 0;
1.1 kristaps 1891: }
1892:
1893: static int
1894: termp_ap_pre(DECL_ARGS)
1895: {
1896:
1897: p->flags |= TERMP_NOSPACE;
1.107 schwarze 1898: term_word(p, "'");
1.1 kristaps 1899: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1900: return 1;
1.1 kristaps 1901: }
1902:
1903: static void
1904: termp____post(DECL_ARGS)
1905: {
1.104 schwarze 1906:
1907: /*
1908: * Handle lists of authors. In general, print each followed by
1909: * a comma. Don't print the comma if there are only two
1910: * authors.
1911: */
1912: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
1913: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
1914: if (NULL == n->prev || MDOC__A != n->prev->tok)
1915: return;
1.1 kristaps 1916:
1.62 schwarze 1917: /* TODO: %U. */
1918:
1.106 schwarze 1919: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
1920: return;
1921:
1.132 schwarze 1922: p->flags |= TERMP_NOSPACE;
1.106 schwarze 1923: if (NULL == n->next) {
1924: term_word(p, ".");
1925: p->flags |= TERMP_SENTENCE;
1926: } else
1927: term_word(p, ",");
1.1 kristaps 1928: }
1929:
1930: static int
1.65 schwarze 1931: termp_li_pre(DECL_ARGS)
1932: {
1933:
1.234 schwarze 1934: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1935: term_fontpush(p, TERMFONT_NONE);
1.227 schwarze 1936: return 1;
1.65 schwarze 1937: }
1938:
1939: static int
1.1 kristaps 1940: termp_lk_pre(DECL_ARGS)
1941: {
1.257 schwarze 1942: const struct roff_node *link, *descr, *punct;
1.1 kristaps 1943:
1.248 schwarze 1944: if ((link = n->child) == NULL)
1.227 schwarze 1945: return 0;
1.101 schwarze 1946:
1.257 schwarze 1947: /* Find beginning of trailing punctuation. */
1948: punct = n->last;
1949: while (punct != link && punct->flags & NODE_DELIMC)
1950: punct = punct->prev;
1951: punct = punct->next;
1952:
1.248 schwarze 1953: /* Link text. */
1.257 schwarze 1954: if ((descr = link->next) != NULL && descr != punct) {
1.142 schwarze 1955: term_fontpush(p, TERMFONT_UNDER);
1.257 schwarze 1956: while (descr != punct) {
1957: if (descr->flags & (NODE_DELIMC | NODE_DELIMO))
1958: p->flags |= TERMP_NOSPACE;
1.142 schwarze 1959: term_word(p, descr->string);
1960: descr = descr->next;
1961: }
1.246 schwarze 1962: term_fontpop(p);
1.142 schwarze 1963: p->flags |= TERMP_NOSPACE;
1964: term_word(p, ":");
1965: }
1.1 kristaps 1966:
1.248 schwarze 1967: /* Link target. */
1.65 schwarze 1968: term_fontpush(p, TERMFONT_BOLD);
1.142 schwarze 1969: term_word(p, link->string);
1.65 schwarze 1970: term_fontpop(p);
1.247 schwarze 1971:
1.248 schwarze 1972: /* Trailing punctuation. */
1.257 schwarze 1973: while (punct != NULL) {
1.248 schwarze 1974: p->flags |= TERMP_NOSPACE;
1.257 schwarze 1975: term_word(p, punct->string);
1976: punct = punct->next;
1.248 schwarze 1977: }
1.227 schwarze 1978: return 0;
1.1 kristaps 1979: }
1980:
1.90 schwarze 1981: static int
1982: termp_bk_pre(DECL_ARGS)
1983: {
1984:
1.91 schwarze 1985: switch (n->type) {
1.213 schwarze 1986: case ROFFT_BLOCK:
1.95 schwarze 1987: break;
1.213 schwarze 1988: case ROFFT_HEAD:
1.227 schwarze 1989: return 0;
1.213 schwarze 1990: case ROFFT_BODY:
1.230 schwarze 1991: if (n->parent->args != NULL || n->prev->child == NULL)
1.117 schwarze 1992: p->flags |= TERMP_PREKEEP;
1.95 schwarze 1993: break;
1.91 schwarze 1994: default:
1995: abort();
1996: }
1.95 schwarze 1997:
1.227 schwarze 1998: return 1;
1.90 schwarze 1999: }
2000:
2001: static void
2002: termp_bk_post(DECL_ARGS)
2003: {
2004:
1.213 schwarze 2005: if (n->type == ROFFT_BODY)
1.91 schwarze 2006: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 2007: }
1.120 schwarze 2008:
2009: static void
2010: termp__t_post(DECL_ARGS)
2011: {
2012:
2013: /*
2014: * If we're in an `Rs' and there's a journal present, then quote
2015: * us instead of underlining us (for disambiguation).
2016: */
1.121 schwarze 2017: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2018: n->parent->norm->Rs.quote_T)
1.147 schwarze 2019: termp_quote_post(p, pair, meta, n);
1.120 schwarze 2020:
1.147 schwarze 2021: termp____post(p, pair, meta, n);
1.120 schwarze 2022: }
2023:
2024: static int
2025: termp__t_pre(DECL_ARGS)
2026: {
2027:
2028: /*
2029: * If we're in an `Rs' and there's a journal present, then quote
2030: * us instead of underlining us (for disambiguation).
2031: */
1.121 schwarze 2032: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2033: n->parent->norm->Rs.quote_T)
1.227 schwarze 2034: return termp_quote_pre(p, pair, meta, n);
1.120 schwarze 2035:
2036: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 2037: return 1;
1.121 schwarze 2038: }
1.1 kristaps 2039:
2040: static int
1.54 schwarze 2041: termp_under_pre(DECL_ARGS)
1.1 kristaps 2042: {
2043:
1.65 schwarze 2044: term_fontpush(p, TERMFONT_UNDER);
1.233 schwarze 2045: return 1;
2046: }
2047:
2048: static int
2049: termp_em_pre(DECL_ARGS)
2050: {
2051: if (n->child != NULL &&
2052: n->child->type == ROFFT_TEXT)
2053: tag_put(n->child->string, 0, p->line);
2054: term_fontpush(p, TERMFONT_UNDER);
2055: return 1;
2056: }
2057:
2058: static int
2059: termp_sy_pre(DECL_ARGS)
2060: {
2061: if (n->child != NULL &&
2062: n->child->type == ROFFT_TEXT)
2063: tag_put(n->child->string, 0, p->line);
2064: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 2065: return 1;
1.222 schwarze 2066: }
2067:
2068: static int
2069: termp_er_pre(DECL_ARGS)
2070: {
2071:
2072: if (n->sec == SEC_ERRORS &&
2073: (n->parent->tok == MDOC_It ||
2074: (n->parent->tok == MDOC_Bq &&
1.223 schwarze 2075: n->parent->parent->parent->tok == MDOC_It)))
2076: tag_put(n->child->string, 1, p->line);
1.227 schwarze 2077: return 1;
1.219 schwarze 2078: }
2079:
2080: static int
2081: termp_tag_pre(DECL_ARGS)
2082: {
2083:
2084: if (n->child != NULL &&
2085: n->child->type == ROFFT_TEXT &&
1.232 schwarze 2086: (n->prev == NULL ||
2087: (n->prev->type == ROFFT_TEXT &&
2088: strcmp(n->prev->string, "|") == 0)) &&
1.219 schwarze 2089: (n->parent->tok == MDOC_It ||
2090: (n->parent->tok == MDOC_Xo &&
2091: n->parent->parent->prev == NULL &&
1.223 schwarze 2092: n->parent->parent->parent->tok == MDOC_It)))
2093: tag_put(n->child->string, 1, p->line);
1.227 schwarze 2094: return 1;
1.268 schwarze 2095: }
2096:
2097: static int
2098: termp_abort_pre(DECL_ARGS)
2099: {
2100: abort();
1.1 kristaps 2101: }
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