Annotation of mandoc/mdoc_term.c, Revision 1.341
1.341 ! schwarze 1: /* $Id: mdoc_term.c,v 1.340 2017/01/10 23:36:34 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:
1.70 kristaps 128: static const struct termact termacts[MDOC_MAX] = {
1.14 kristaps 129: { termp_ap_pre, NULL }, /* Ap */
1.1 kristaps 130: { NULL, NULL }, /* Dd */
131: { NULL, NULL }, /* Dt */
132: { NULL, NULL }, /* Os */
133: { termp_sh_pre, termp_sh_post }, /* Sh */
1.264 schwarze 134: { termp_ss_pre, termp_ss_post }, /* Ss */
135: { termp_sp_pre, NULL }, /* Pp */
1.241 schwarze 136: { termp_d1_pre, termp_bl_post }, /* D1 */
137: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 138: { termp_bd_pre, termp_bd_post }, /* Bd */
139: { NULL, NULL }, /* Ed */
1.115 kristaps 140: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 141: { NULL, NULL }, /* El */
142: { termp_it_pre, termp_it_post }, /* It */
1.264 schwarze 143: { termp_under_pre, NULL }, /* Ad */
1.282 schwarze 144: { termp_an_pre, NULL }, /* An */
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 */
1.76 kristaps 247: { termp_sp_pre, NULL }, /* br */
1.264 schwarze 248: { termp_sp_pre, NULL }, /* sp */
249: { NULL, termp____post }, /* %U */
250: { NULL, NULL }, /* Ta */
1.260 schwarze 251: { termp_ll_pre, NULL }, /* ll */
1.1 kristaps 252: };
253:
1.322 schwarze 254: static int fn_prio;
1.1 kristaps 255:
1.70 kristaps 256: void
1.318 schwarze 257: terminal_mdoc(void *arg, const struct roff_man *mdoc)
1.1 kristaps 258: {
1.315 schwarze 259: struct roff_node *n;
1.89 kristaps 260: struct termp *p;
261:
262: p = (struct termp *)arg;
1.111 kristaps 263: p->overstep = 0;
1.281 schwarze 264: p->rmargin = p->maxrmargin = p->defrmargin;
1.157 kristaps 265: p->tabwidth = term_len(p, 5);
1.70 kristaps 266:
1.319 schwarze 267: n = mdoc->first->child;
1.281 schwarze 268: if (p->synopsisonly) {
269: while (n != NULL) {
270: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
271: if (n->child->next->child != NULL)
272: print_mdoc_nodelist(p, NULL,
1.319 schwarze 273: &mdoc->meta,
274: n->child->next->child);
1.281 schwarze 275: term_newln(p);
276: break;
277: }
278: n = n->next;
279: }
280: } else {
281: if (p->defindent == 0)
282: p->defindent = 5;
1.319 schwarze 283: term_begin(p, print_mdoc_head, print_mdoc_foot,
284: &mdoc->meta);
1.337 schwarze 285: while (n != NULL && n->flags & NODE_NOPRT)
286: n = n->next;
1.281 schwarze 287: if (n != NULL) {
288: if (n->tok != MDOC_Sh)
289: term_vspace(p);
1.319 schwarze 290: print_mdoc_nodelist(p, NULL, &mdoc->meta, n);
1.281 schwarze 291: }
292: term_end(p);
1.271 schwarze 293: }
1.1 kristaps 294: }
295:
1.3 kristaps 296: static void
1.102 kristaps 297: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 298: {
299:
1.304 schwarze 300: while (n != NULL) {
301: print_mdoc_node(p, pair, meta, n);
302: n = n->next;
303: }
1.1 kristaps 304: }
305:
1.3 kristaps 306: static void
1.102 kristaps 307: print_mdoc_node(DECL_ARGS)
1.1 kristaps 308: {
1.102 kristaps 309: int chld;
1.1 kristaps 310: struct termpair npair;
1.30 kristaps 311: size_t offset, rmargin;
1.1 kristaps 312:
1.337 schwarze 313: if (n->flags & NODE_NOPRT)
314: return;
315:
1.70 kristaps 316: chld = 1;
1.29 kristaps 317: offset = p->offset;
1.30 kristaps 318: rmargin = p->rmargin;
1.338 schwarze 319: n->flags &= ~NODE_ENDED;
1.305 schwarze 320: n->prev_font = p->fonti;
1.29 kristaps 321:
1.97 kristaps 322: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 323: npair.ppair = pair;
1.172 kristaps 324:
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:
1.338 schwarze 330: if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
1.307 schwarze 331: p->flags &= ~TERMP_KEEP;
332: p->flags |= TERMP_PREKEEP;
1.172 kristaps 333: }
1.197 schwarze 334:
335: /*
1.217 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) {
1.314 schwarze 341: case ROFFT_TEXT:
1.338 schwarze 342: if (' ' == *n->string && NODE_LINE & n->flags)
1.217 schwarze 343: term_newln(p);
1.338 schwarze 344: if (NODE_DELIMC & n->flags)
1.222 kristaps 345: p->flags |= TERMP_NOSPACE;
1.217 schwarze 346: term_word(p, n->string);
1.338 schwarze 347: if (NODE_DELIMO & n->flags)
1.222 kristaps 348: p->flags |= TERMP_NOSPACE;
1.217 schwarze 349: break;
1.314 schwarze 350: case ROFFT_EQN:
1.338 schwarze 351: if ( ! (n->flags & NODE_LINE))
1.284 schwarze 352: p->flags |= TERMP_NOSPACE;
1.233 kristaps 353: term_eqn(p, n->eqn);
1.338 schwarze 354: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.285 schwarze 355: p->flags |= TERMP_NOSPACE;
1.217 schwarze 356: break;
1.314 schwarze 357: case ROFFT_TBL:
1.313 schwarze 358: if (p->tbl.cols == NULL)
359: term_newln(p);
1.217 schwarze 360: term_tbl(p, n->span);
361: break;
362: default:
1.295 schwarze 363: if (termacts[n->tok].pre &&
1.331 schwarze 364: (n->end == ENDBODY_NOT || n->child != NULL))
1.217 schwarze 365: chld = (*termacts[n->tok].pre)
1.245 schwarze 366: (p, &npair, meta, n);
1.217 schwarze 367: break;
368: }
369:
1.86 kristaps 370: if (chld && n->child)
1.245 schwarze 371: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 372:
1.244 schwarze 373: term_fontpopq(p,
1.310 schwarze 374: (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.46 kristaps 375:
1.206 kristaps 376: switch (n->type) {
1.314 schwarze 377: case ROFFT_TEXT:
1.206 kristaps 378: break;
1.314 schwarze 379: case ROFFT_TBL:
1.216 kristaps 380: break;
1.314 schwarze 381: case ROFFT_EQN:
1.206 kristaps 382: break;
383: default:
1.338 schwarze 384: if ( ! termacts[n->tok].post || NODE_ENDED & n->flags)
1.206 kristaps 385: break;
1.245 schwarze 386: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162 schwarze 387:
388: /*
389: * Explicit end tokens not only call the post
390: * handler, but also tell the respective block
391: * that it must not call the post handler again.
392: */
1.165 kristaps 393: if (ENDBODY_NOT != n->end)
1.338 schwarze 394: n->body->flags |= NODE_ENDED;
1.162 schwarze 395:
396: /*
397: * End of line terminating an implicit block
398: * while an explicit block is still open.
399: * Continue the explicit block without spacing.
400: */
401: if (ENDBODY_NOSPACE == n->end)
402: p->flags |= TERMP_NOSPACE;
1.206 kristaps 403: break;
1.162 schwarze 404: }
1.121 kristaps 405:
1.338 schwarze 406: if (NODE_EOS & n->flags)
1.121 kristaps 407: p->flags |= TERMP_SENTENCE;
1.29 kristaps 408:
1.260 schwarze 409: if (MDOC_ll != n->tok) {
410: p->offset = offset;
411: p->rmargin = rmargin;
412: }
1.1 kristaps 413: }
414:
1.3 kristaps 415: static void
1.316 schwarze 416: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 417: {
1.292 schwarze 418: size_t sz;
1.144 kristaps 419:
1.102 kristaps 420: term_fontrepl(p, TERMFONT_NONE);
1.101 kristaps 421:
1.264 schwarze 422: /*
1.9 kristaps 423: * Output the footer in new-groff style, that is, three columns
424: * with the middle being the manual date and flanking columns
425: * being the operating system:
426: *
427: * SYSTEM DATE SYSTEM
428: */
429:
1.1 kristaps 430: term_vspace(p);
431:
1.9 kristaps 432: p->offset = 0;
1.292 schwarze 433: sz = term_strlen(p, meta->date);
434: p->rmargin = p->maxrmargin > sz ?
435: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.250 schwarze 436: p->trailspace = 1;
1.1 kristaps 437: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
438:
1.245 schwarze 439: term_word(p, meta->os);
1.1 kristaps 440: term_flushln(p);
441:
1.9 kristaps 442: p->offset = p->rmargin;
1.292 schwarze 443: sz = term_strlen(p, meta->os);
444: p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.234 schwarze 445: p->flags |= TERMP_NOSPACE;
1.9 kristaps 446:
1.245 schwarze 447: term_word(p, meta->date);
1.9 kristaps 448: term_flushln(p);
449:
1.1 kristaps 450: p->offset = p->rmargin;
451: p->rmargin = p->maxrmargin;
1.250 schwarze 452: p->trailspace = 0;
1.1 kristaps 453: p->flags &= ~TERMP_NOBREAK;
1.234 schwarze 454: p->flags |= TERMP_NOSPACE;
1.1 kristaps 455:
1.245 schwarze 456: term_word(p, meta->os);
1.1 kristaps 457: term_flushln(p);
458:
1.9 kristaps 459: p->offset = 0;
460: p->rmargin = p->maxrmargin;
461: p->flags = 0;
1.1 kristaps 462: }
463:
1.3 kristaps 464: static void
1.316 schwarze 465: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 466: {
1.267 schwarze 467: char *volume, *title;
468: size_t vollen, titlen;
1.1 kristaps 469:
470: /*
471: * The header is strange. It has three components, which are
472: * really two with the first duplicated. It goes like this:
473: *
474: * IDENTIFIER TITLE IDENTIFIER
475: *
476: * The IDENTIFIER is NAME(SECTION), which is the command-name
477: * (if given, or "unknown" if not) followed by the manual page
478: * section. These are given in `Dt'. The TITLE is a free-form
479: * string depending on the manual volume. If not specified, it
480: * switches on the manual section.
481: */
1.235 schwarze 482:
1.245 schwarze 483: assert(meta->vol);
1.267 schwarze 484: if (NULL == meta->arch)
485: volume = mandoc_strdup(meta->vol);
486: else
487: mandoc_asprintf(&volume, "%s (%s)",
488: meta->vol, meta->arch);
489: vollen = term_strlen(p, volume);
1.1 kristaps 490:
1.275 schwarze 491: if (NULL == meta->msec)
492: title = mandoc_strdup(meta->title);
493: else
494: mandoc_asprintf(&title, "%s(%s)",
495: meta->title, meta->msec);
1.235 schwarze 496: titlen = term_strlen(p, title);
1.1 kristaps 497:
1.235 schwarze 498: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250 schwarze 499: p->trailspace = 1;
1.1 kristaps 500: p->offset = 0;
1.267 schwarze 501: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
502: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.292 schwarze 503: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 504:
505: term_word(p, title);
506: term_flushln(p);
507:
1.235 schwarze 508: p->flags |= TERMP_NOSPACE;
1.1 kristaps 509: p->offset = p->rmargin;
1.267 schwarze 510: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235 schwarze 511: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 512:
1.267 schwarze 513: term_word(p, volume);
1.1 kristaps 514: term_flushln(p);
515:
516: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 517: p->trailspace = 0;
1.235 schwarze 518: if (p->rmargin + titlen <= p->maxrmargin) {
519: p->flags |= TERMP_NOSPACE;
520: p->offset = p->rmargin;
521: p->rmargin = p->maxrmargin;
522: term_word(p, title);
523: term_flushln(p);
524: }
1.1 kristaps 525:
1.235 schwarze 526: p->flags &= ~TERMP_NOSPACE;
1.9 kristaps 527: p->offset = 0;
1.1 kristaps 528: p->rmargin = p->maxrmargin;
1.266 schwarze 529: free(title);
1.267 schwarze 530: free(volume);
1.1 kristaps 531: }
532:
1.302 schwarze 533: static int
1.157 kristaps 534: a2width(const struct termp *p, const char *v)
1.91 kristaps 535: {
1.92 kristaps 536: struct roffsu su;
1.1 kristaps 537:
1.300 schwarze 538: if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.157 kristaps 539: SCALE_HS_INIT(&su, term_strlen(p, v));
1.283 schwarze 540: su.scale /= term_strlen(p, "0");
1.302 schwarze 541: }
1.328 schwarze 542: return term_hspan(p, &su) / 24;
1.1 kristaps 543: }
544:
1.108 kristaps 545: /*
546: * Determine how much space to print out before block elements of `It'
547: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
548: * too.
549: */
1.54 kristaps 550: static void
1.264 schwarze 551: print_bvspace(struct termp *p,
1.315 schwarze 552: const struct roff_node *bl,
553: const struct roff_node *n)
1.1 kristaps 554: {
1.315 schwarze 555: const struct roff_node *nn;
1.236 schwarze 556:
557: assert(n);
1.1 kristaps 558:
559: term_newln(p);
1.150 kristaps 560:
1.202 kristaps 561: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150 kristaps 562: return;
1.202 kristaps 563: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54 kristaps 564: return;
565:
1.85 kristaps 566: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 567:
1.289 schwarze 568: nn = n;
1.337 schwarze 569: while (nn->prev != NULL && nn->prev->flags & NODE_NOPRT)
570: nn = nn->prev;
1.289 schwarze 571: while (nn->prev == NULL) {
572: do {
573: nn = nn->parent;
1.314 schwarze 574: if (nn->type == ROFFT_ROOT)
1.289 schwarze 575: return;
1.314 schwarze 576: } while (nn->type != ROFFT_BLOCK);
1.289 schwarze 577: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.54 kristaps 578: return;
1.289 schwarze 579: if (nn->tok == MDOC_It &&
580: nn->parent->parent->norm->Bl.type != LIST_item)
581: break;
1.1 kristaps 582: }
583:
1.85 kristaps 584: /* A `-column' does not assert vspace within the list. */
1.54 kristaps 585:
1.202 kristaps 586: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86 kristaps 587: if (n->prev && MDOC_It == n->prev->tok)
1.54 kristaps 588: return;
589:
1.85 kristaps 590: /* A `-diag' without body does not vspace. */
591:
1.202 kristaps 592: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86 kristaps 593: if (n->prev && MDOC_It == n->prev->tok) {
594: assert(n->prev->body);
595: if (NULL == n->prev->body->child)
1.55 kristaps 596: return;
597: }
598:
1.54 kristaps 599: term_vspace(p);
1.260 schwarze 600: }
601:
602:
603: static int
604: termp_ll_pre(DECL_ARGS)
605: {
606:
1.331 schwarze 607: term_setwidth(p, n->child != NULL ? n->child->string : NULL);
1.328 schwarze 608: return 0;
1.1 kristaps 609: }
610:
611: static int
612: termp_it_pre(DECL_ARGS)
613: {
1.302 schwarze 614: char buf[24];
1.315 schwarze 615: const struct roff_node *bl, *nn;
1.302 schwarze 616: size_t ncols, dcol;
617: int i, offset, width;
1.126 kristaps 618: enum mdoc_list type;
1.1 kristaps 619:
1.314 schwarze 620: if (n->type == ROFFT_BLOCK) {
1.151 kristaps 621: print_bvspace(p, n->parent->parent, n);
1.328 schwarze 622: return 1;
1.54 kristaps 623: }
1.1 kristaps 624:
1.86 kristaps 625: bl = n->parent->parent->parent;
1.202 kristaps 626: type = bl->norm->Bl.type;
1.1 kristaps 627:
1.264 schwarze 628: /*
1.302 schwarze 629: * Defaults for specific list types.
630: */
631:
632: switch (type) {
633: case LIST_bullet:
634: case LIST_dash:
635: case LIST_hyphen:
636: case LIST_enum:
637: width = term_len(p, 2);
638: break;
639: case LIST_hang:
1.332 schwarze 640: case LIST_tag:
1.302 schwarze 641: width = term_len(p, 8);
642: break;
643: case LIST_column:
644: width = term_len(p, 10);
645: break;
646: default:
647: width = 0;
648: break;
649: }
650: offset = 0;
651:
652: /*
1.108 kristaps 653: * First calculate width and offset. This is pretty easy unless
654: * we're a -column list, in which case all prior columns must
655: * be accounted for.
656: */
657:
1.302 schwarze 658: if (bl->norm->Bl.offs != NULL) {
1.288 schwarze 659: offset = a2width(p, bl->norm->Bl.offs);
1.302 schwarze 660: if (offset < 0 && (size_t)(-offset) > p->offset)
661: offset = -p->offset;
662: else if (offset > SHRT_MAX)
663: offset = 0;
664: }
1.152 kristaps 665:
1.1 kristaps 666: switch (type) {
1.264 schwarze 667: case LIST_column:
1.314 schwarze 668: if (n->type == ROFFT_HEAD)
1.1 kristaps 669: break;
1.155 kristaps 670:
1.105 kristaps 671: /*
1.108 kristaps 672: * Imitate groff's column handling:
673: * - For each earlier column, add its width.
674: * - For less than 5 columns, add four more blanks per
675: * column.
676: * - For exactly 5 columns, add three more blank per
677: * column.
678: * - For more than 5 columns, add only one column.
1.105 kristaps 679: */
1.202 kristaps 680: ncols = bl->norm->Bl.ncols;
1.264 schwarze 681: dcol = ncols < 5 ? term_len(p, 4) :
682: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108 kristaps 683:
1.134 kristaps 684: /*
1.314 schwarze 685: * Calculate the offset by applying all prior ROFFT_BODY,
686: * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.134 kristaps 687: */
688:
1.264 schwarze 689: for (i = 0, nn = n->prev;
690: nn->prev && i < (int)ncols;
691: nn = nn->prev, i++)
692: offset += dcol + a2width(p,
693: bl->norm->Bl.cols[i]);
1.105 kristaps 694:
695: /*
1.108 kristaps 696: * When exceeding the declared number of columns, leave
697: * the remaining widths at 0. This will later be
698: * adjusted to the default width of 10, or, for the last
699: * column, stretched to the right margin.
1.58 kristaps 700: */
1.108 kristaps 701: if (i >= (int)ncols)
702: break;
1.58 kristaps 703:
1.105 kristaps 704: /*
1.108 kristaps 705: * Use the declared column widths, extended as explained
706: * in the preceding paragraph.
1.105 kristaps 707: */
1.202 kristaps 708: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 709: break;
710: default:
1.202 kristaps 711: if (NULL == bl->norm->Bl.width)
1.108 kristaps 712: break;
713:
1.264 schwarze 714: /*
1.108 kristaps 715: * Note: buffer the width by 2, which is groff's magic
716: * number for buffering single arguments. See the above
717: * handling for column for how this changes.
718: */
1.202 kristaps 719: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.302 schwarze 720: if (width < 0 && (size_t)(-width) > p->offset)
721: width = -p->offset;
722: else if (width > SHRT_MAX)
723: width = 0;
1.1 kristaps 724: break;
725: }
726:
1.264 schwarze 727: /*
1.17 kristaps 728: * Whitespace control. Inset bodies need an initial space,
729: * while diagonal bodies need two.
1.1 kristaps 730: */
731:
1.51 kristaps 732: p->flags |= TERMP_NOSPACE;
733:
1.1 kristaps 734: switch (type) {
1.264 schwarze 735: case LIST_diag:
1.314 schwarze 736: if (n->type == ROFFT_BODY)
1.62 kristaps 737: term_word(p, "\\ \\ ");
1.51 kristaps 738: break;
1.264 schwarze 739: case LIST_inset:
1.331 schwarze 740: if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.51 kristaps 741: term_word(p, "\\ ");
1.1 kristaps 742: break;
743: default:
744: break;
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_HEAD)
1.102 kristaps 752: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 753: break;
754: default:
755: break;
756: }
757:
758: /*
1.109 kristaps 759: * Pad and break control. This is the tricky part. These flags
760: * are documented in term_flushln() in term.c. Note that we're
761: * going to unset all of these flags in termp_it_post() when we
762: * exit.
1.1 kristaps 763: */
764:
765: switch (type) {
1.264 schwarze 766: case LIST_enum:
1.329 schwarze 767: case LIST_bullet:
768: case LIST_dash:
769: case LIST_hyphen:
1.242 schwarze 770: /*
771: * Weird special case.
1.302 schwarze 772: * Some very narrow lists actually hang.
1.242 schwarze 773: */
1.302 schwarze 774: if (width <= (int)term_len(p, 2))
775: p->flags |= TERMP_HANG;
1.314 schwarze 776: if (n->type != ROFFT_HEAD)
1.250 schwarze 777: break;
778: p->flags |= TERMP_NOBREAK;
779: p->trailspace = 1;
1.39 kristaps 780: break;
1.264 schwarze 781: case LIST_hang:
1.314 schwarze 782: if (n->type != ROFFT_HEAD)
1.59 kristaps 783: break;
784:
785: /*
786: * This is ugly. If `-hang' is specified and the body
787: * is a `Bl' or `Bd', then we want basically to nullify
788: * the "overstep" effect in term_flushln() and treat
789: * this as a `-ohang' list instead.
790: */
1.279 schwarze 791: if (NULL != n->next &&
1.278 schwarze 792: NULL != n->next->child &&
793: (MDOC_Bl == n->next->child->tok ||
794: MDOC_Bd == n->next->child->tok))
1.250 schwarze 795: break;
796:
1.263 schwarze 797: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250 schwarze 798: p->trailspace = 1;
1.39 kristaps 799: break;
1.264 schwarze 800: case LIST_tag:
1.314 schwarze 801: if (n->type != ROFFT_HEAD)
1.39 kristaps 802: break;
1.250 schwarze 803:
1.326 schwarze 804: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.250 schwarze 805: p->trailspace = 2;
806:
1.86 kristaps 807: if (NULL == n->next || NULL == n->next->child)
1.39 kristaps 808: p->flags |= TERMP_DANGLE;
1.1 kristaps 809: break;
1.264 schwarze 810: case LIST_column:
1.314 schwarze 811: if (n->type == ROFFT_HEAD)
1.134 kristaps 812: break;
813:
1.250 schwarze 814: if (NULL == n->next) {
1.134 kristaps 815: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 816: p->trailspace = 0;
817: } else {
1.134 kristaps 818: p->flags |= TERMP_NOBREAK;
1.250 schwarze 819: p->trailspace = 1;
820: }
1.134 kristaps 821:
1.1 kristaps 822: break;
1.264 schwarze 823: case LIST_diag:
1.314 schwarze 824: if (n->type != ROFFT_HEAD)
1.250 schwarze 825: break;
1.263 schwarze 826: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 827: p->trailspace = 1;
1.1 kristaps 828: break;
829: default:
830: break;
831: }
832:
1.264 schwarze 833: /*
1.1 kristaps 834: * Margin control. Set-head-width lists have their right
835: * margins shortened. The body for these lists has the offset
836: * necessarily lengthened. Everybody gets the offset.
837: */
838:
839: p->offset += offset;
840:
841: switch (type) {
1.264 schwarze 842: case LIST_hang:
1.59 kristaps 843: /*
844: * Same stipulation as above, regarding `-hang'. We
845: * don't want to recalculate rmargin and offsets when
846: * using `Bd' or `Bl' within `-hang' overstep lists.
847: */
1.314 schwarze 848: if (n->type == ROFFT_HEAD &&
1.279 schwarze 849: NULL != n->next &&
1.278 schwarze 850: NULL != n->next->child &&
851: (MDOC_Bl == n->next->child->tok ||
852: MDOC_Bd == n->next->child->tok))
1.59 kristaps 853: break;
854: /* FALLTHROUGH */
1.264 schwarze 855: case LIST_bullet:
856: case LIST_dash:
857: case LIST_enum:
858: case LIST_hyphen:
859: case LIST_tag:
1.314 schwarze 860: if (n->type == ROFFT_HEAD)
1.1 kristaps 861: p->rmargin = p->offset + width;
1.292 schwarze 862: else
1.1 kristaps 863: p->offset += width;
864: break;
1.264 schwarze 865: case LIST_column:
1.49 kristaps 866: assert(width);
1.1 kristaps 867: p->rmargin = p->offset + width;
1.264 schwarze 868: /*
1.50 kristaps 869: * XXX - this behaviour is not documented: the
870: * right-most column is filled to the right margin.
871: */
1.314 schwarze 872: if (n->type == ROFFT_HEAD)
1.134 kristaps 873: break;
874: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50 kristaps 875: p->rmargin = p->maxrmargin;
1.1 kristaps 876: break;
877: default:
878: break;
879: }
880:
1.264 schwarze 881: /*
1.1 kristaps 882: * The dash, hyphen, bullet and enum lists all have a special
1.264 schwarze 883: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 884: */
885:
1.314 schwarze 886: if (n->type == ROFFT_HEAD)
1.1 kristaps 887: switch (type) {
1.264 schwarze 888: case LIST_bullet:
1.102 kristaps 889: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 890: term_word(p, "\\[bu]");
1.102 kristaps 891: term_fontpop(p);
1.1 kristaps 892: break;
1.264 schwarze 893: case LIST_dash:
894: case LIST_hyphen:
1.102 kristaps 895: term_fontpush(p, TERMFONT_BOLD);
1.330 schwarze 896: term_word(p, "-");
1.102 kristaps 897: term_fontpop(p);
1.1 kristaps 898: break;
1.264 schwarze 899: case LIST_enum:
1.1 kristaps 900: (pair->ppair->ppair->count)++;
1.265 schwarze 901: (void)snprintf(buf, sizeof(buf), "%d.",
1.264 schwarze 902: pair->ppair->ppair->count);
1.1 kristaps 903: term_word(p, buf);
904: break;
905: default:
906: break;
907: }
908:
1.264 schwarze 909: /*
1.1 kristaps 910: * If we're not going to process our children, indicate so here.
911: */
912:
913: switch (type) {
1.264 schwarze 914: case LIST_bullet:
915: case LIST_item:
916: case LIST_dash:
917: case LIST_hyphen:
918: case LIST_enum:
1.314 schwarze 919: if (n->type == ROFFT_HEAD)
1.328 schwarze 920: return 0;
1.1 kristaps 921: break;
1.264 schwarze 922: case LIST_column:
1.314 schwarze 923: if (n->type == ROFFT_HEAD)
1.328 schwarze 924: return 0;
1.1 kristaps 925: break;
926: default:
927: break;
928: }
929:
1.328 schwarze 930: return 1;
1.1 kristaps 931: }
932:
933: static void
934: termp_it_post(DECL_ARGS)
935: {
1.126 kristaps 936: enum mdoc_list type;
1.1 kristaps 937:
1.314 schwarze 938: if (n->type == ROFFT_BLOCK)
1.1 kristaps 939: return;
940:
1.202 kristaps 941: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 942:
943: switch (type) {
1.264 schwarze 944: case LIST_item:
945: case LIST_diag:
946: case LIST_inset:
1.314 schwarze 947: if (n->type == ROFFT_BODY)
1.130 schwarze 948: term_newln(p);
1.1 kristaps 949: break;
1.264 schwarze 950: case LIST_column:
1.314 schwarze 951: if (n->type == ROFFT_BODY)
1.1 kristaps 952: term_flushln(p);
953: break;
954: default:
1.130 schwarze 955: term_newln(p);
1.1 kristaps 956: break;
957: }
958:
1.264 schwarze 959: /*
1.109 kristaps 960: * Now that our output is flushed, we can reset our tags. Since
961: * only `It' sets these flags, we're free to assume that nobody
962: * has munged them in the meanwhile.
963: */
964:
1.326 schwarze 965: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND |
1.263 schwarze 966: TERMP_DANGLE | TERMP_HANG);
1.250 schwarze 967: p->trailspace = 0;
1.1 kristaps 968: }
969:
970: static int
971: termp_nm_pre(DECL_ARGS)
972: {
1.296 schwarze 973: const char *cp;
1.1 kristaps 974:
1.314 schwarze 975: if (n->type == ROFFT_BLOCK) {
1.253 schwarze 976: p->flags |= TERMP_PREKEEP;
1.328 schwarze 977: return 1;
1.253 schwarze 978: }
1.164 schwarze 979:
1.314 schwarze 980: if (n->type == ROFFT_BODY) {
1.164 schwarze 981: if (NULL == n->child)
1.328 schwarze 982: return 0;
1.234 schwarze 983: p->flags |= TERMP_NOSPACE;
1.296 schwarze 984: cp = NULL;
985: if (n->prev->child != NULL)
986: cp = n->prev->child->string;
987: if (cp == NULL)
988: cp = meta->name;
989: if (cp == NULL)
990: p->offset += term_len(p, 6);
991: else
992: p->offset += term_len(p, 1) + term_strlen(p, cp);
1.328 schwarze 993: return 1;
1.164 schwarze 994: }
995:
1.245 schwarze 996: if (NULL == n->child && NULL == meta->name)
1.328 schwarze 997: return 0;
1.125 kristaps 998:
1.314 schwarze 999: if (n->type == ROFFT_HEAD)
1.177 schwarze 1000: synopsis_pre(p, n->parent);
1.102 kristaps 1001:
1.314 schwarze 1002: if (n->type == ROFFT_HEAD &&
1.278 schwarze 1003: NULL != n->next && NULL != n->next->child) {
1.263 schwarze 1004: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 1005: p->trailspace = 1;
1.185 schwarze 1006: p->rmargin = p->offset + term_len(p, 1);
1007: if (NULL == n->child) {
1.245 schwarze 1008: p->rmargin += term_strlen(p, meta->name);
1.314 schwarze 1009: } else if (n->child->type == ROFFT_TEXT) {
1.185 schwarze 1010: p->rmargin += term_strlen(p, n->child->string);
1011: if (n->child->next)
1012: p->flags |= TERMP_HANG;
1013: } else {
1014: p->rmargin += term_len(p, 5);
1015: p->flags |= TERMP_HANG;
1016: }
1.164 schwarze 1017: }
1018:
1.102 kristaps 1019: term_fontpush(p, TERMFONT_BOLD);
1.86 kristaps 1020: if (NULL == n->child)
1.245 schwarze 1021: term_word(p, meta->name);
1.328 schwarze 1022: return 1;
1.1 kristaps 1023: }
1024:
1.164 schwarze 1025: static void
1026: termp_nm_post(DECL_ARGS)
1027: {
1028:
1.314 schwarze 1029: if (n->type == ROFFT_BLOCK) {
1.253 schwarze 1030: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.314 schwarze 1031: } else if (n->type == ROFFT_HEAD &&
1.278 schwarze 1032: NULL != n->next && NULL != n->next->child) {
1.164 schwarze 1033: term_flushln(p);
1.263 schwarze 1034: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 1035: p->trailspace = 0;
1.314 schwarze 1036: } else if (n->type == ROFFT_BODY && n->child != NULL)
1.164 schwarze 1037: term_flushln(p);
1038: }
1039:
1.1 kristaps 1040: static int
1041: termp_fl_pre(DECL_ARGS)
1042: {
1043:
1.320 schwarze 1044: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1045: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1046: term_word(p, "\\-");
1.103 kristaps 1047:
1.331 schwarze 1048: if (!(n->child == NULL &&
1.280 schwarze 1049: (n->next == NULL ||
1.314 schwarze 1050: n->next->type == ROFFT_TEXT ||
1.338 schwarze 1051: n->next->flags & NODE_LINE)))
1.103 kristaps 1052: p->flags |= TERMP_NOSPACE;
1053:
1.328 schwarze 1054: return 1;
1.1 kristaps 1055: }
1056:
1057: static int
1.184 kristaps 1058: termp__a_pre(DECL_ARGS)
1059: {
1060:
1061: if (n->prev && MDOC__A == n->prev->tok)
1062: if (NULL == n->next || MDOC__A != n->next->tok)
1063: term_word(p, "and");
1064:
1.328 schwarze 1065: return 1;
1.184 kristaps 1066: }
1067:
1068: static int
1.61 kristaps 1069: termp_an_pre(DECL_ARGS)
1070: {
1071:
1.282 schwarze 1072: if (n->norm->An.auth == AUTH_split) {
1073: p->flags &= ~TERMP_NOSPLIT;
1074: p->flags |= TERMP_SPLIT;
1.328 schwarze 1075: return 0;
1.282 schwarze 1076: }
1077: if (n->norm->An.auth == AUTH_nosplit) {
1078: p->flags &= ~TERMP_SPLIT;
1079: p->flags |= TERMP_NOSPLIT;
1.328 schwarze 1080: return 0;
1.282 schwarze 1081: }
1.264 schwarze 1082:
1.282 schwarze 1083: if (p->flags & TERMP_SPLIT)
1.61 kristaps 1084: term_newln(p);
1085:
1.282 schwarze 1086: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1087: p->flags |= TERMP_SPLIT;
1.61 kristaps 1088:
1.328 schwarze 1089: return 1;
1.61 kristaps 1090: }
1091:
1092: static int
1.1 kristaps 1093: termp_ns_pre(DECL_ARGS)
1094: {
1095:
1.338 schwarze 1096: if ( ! (NODE_LINE & n->flags))
1.215 kristaps 1097: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1098: return 1;
1.1 kristaps 1099: }
1100:
1101: static int
1102: termp_rs_pre(DECL_ARGS)
1103: {
1104:
1.86 kristaps 1105: if (SEC_SEE_ALSO != n->sec)
1.328 schwarze 1106: return 1;
1.314 schwarze 1107: if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1 kristaps 1108: term_vspace(p);
1.328 schwarze 1109: return 1;
1.1 kristaps 1110: }
1111:
1112: static int
1113: termp_ex_pre(DECL_ARGS)
1114: {
1.224 kristaps 1115: term_newln(p);
1.341 ! schwarze 1116: return 1;
1.1 kristaps 1117: }
1118:
1119: static int
1120: termp_nd_pre(DECL_ARGS)
1121: {
1.25 kristaps 1122:
1.314 schwarze 1123: if (n->type == ROFFT_BODY)
1.297 schwarze 1124: term_word(p, "\\(en");
1.328 schwarze 1125: return 1;
1.115 kristaps 1126: }
1127:
1128: static int
1129: termp_bl_pre(DECL_ARGS)
1130: {
1131:
1.328 schwarze 1132: return n->type != ROFFT_HEAD;
1.1 kristaps 1133: }
1134:
1135: static void
1136: termp_bl_post(DECL_ARGS)
1137: {
1138:
1.314 schwarze 1139: if (n->type == ROFFT_BLOCK)
1.1 kristaps 1140: term_newln(p);
1141: }
1142:
1143: static int
1144: termp_xr_pre(DECL_ARGS)
1145: {
1146:
1.225 kristaps 1147: if (NULL == (n = n->child))
1.328 schwarze 1148: return 0;
1.113 kristaps 1149:
1.314 schwarze 1150: assert(n->type == ROFFT_TEXT);
1.225 kristaps 1151: term_word(p, n->string);
1.11 kristaps 1152:
1.264 schwarze 1153: if (NULL == (n = n->next))
1.328 schwarze 1154: return 0;
1.225 kristaps 1155:
1.1 kristaps 1156: p->flags |= TERMP_NOSPACE;
1157: term_word(p, "(");
1.222 kristaps 1158: p->flags |= TERMP_NOSPACE;
1.225 kristaps 1159:
1.314 schwarze 1160: assert(n->type == ROFFT_TEXT);
1.225 kristaps 1161: term_word(p, n->string);
1162:
1.222 kristaps 1163: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1164: term_word(p, ")");
1.86 kristaps 1165:
1.328 schwarze 1166: return 0;
1.1 kristaps 1167: }
1168:
1.143 kristaps 1169: /*
1170: * This decides how to assert whitespace before any of the SYNOPSIS set
1171: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1172: * macro combos).
1173: */
1174: static void
1.315 schwarze 1175: synopsis_pre(struct termp *p, const struct roff_node *n)
1.143 kristaps 1176: {
1.264 schwarze 1177: /*
1.143 kristaps 1178: * Obviously, if we're not in a SYNOPSIS or no prior macros
1179: * exist, do nothing.
1180: */
1.338 schwarze 1181: if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.143 kristaps 1182: return;
1183:
1184: /*
1185: * If we're the second in a pair of like elements, emit our
1186: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1187: * case we soldier on.
1188: */
1.264 schwarze 1189: if (n->prev->tok == n->tok &&
1190: MDOC_Ft != n->tok &&
1191: MDOC_Fo != n->tok &&
1192: MDOC_Fn != n->tok) {
1.143 kristaps 1193: term_newln(p);
1194: return;
1195: }
1196:
1197: /*
1198: * If we're one of the SYNOPSIS set and non-like pair-wise after
1199: * another (or Fn/Fo, which we've let slip through) then assert
1200: * vertical space, else only newline and move on.
1201: */
1202: switch (n->prev->tok) {
1.264 schwarze 1203: case MDOC_Fd:
1204: case MDOC_Fn:
1205: case MDOC_Fo:
1206: case MDOC_In:
1207: case MDOC_Vt:
1.143 kristaps 1208: term_vspace(p);
1209: break;
1.264 schwarze 1210: case MDOC_Ft:
1.143 kristaps 1211: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1212: term_vspace(p);
1213: break;
1214: }
1215: /* FALLTHROUGH */
1216: default:
1217: term_newln(p);
1218: break;
1219: }
1220: }
1221:
1.110 kristaps 1222: static int
1223: termp_vt_pre(DECL_ARGS)
1224: {
1225:
1.314 schwarze 1226: if (n->type == ROFFT_ELEM) {
1.143 kristaps 1227: synopsis_pre(p, n);
1.328 schwarze 1228: return termp_under_pre(p, pair, meta, n);
1.314 schwarze 1229: } else if (n->type == ROFFT_BLOCK) {
1.143 kristaps 1230: synopsis_pre(p, n);
1.328 schwarze 1231: return 1;
1.314 schwarze 1232: } else if (n->type == ROFFT_HEAD)
1.328 schwarze 1233: return 0;
1.110 kristaps 1234:
1.328 schwarze 1235: return termp_under_pre(p, pair, meta, n);
1.110 kristaps 1236: }
1237:
1.1 kristaps 1238: static int
1.69 kristaps 1239: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1240: {
1241:
1.320 schwarze 1242: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1243: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1244: return 1;
1.1 kristaps 1245: }
1246:
1.143 kristaps 1247: static int
1248: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1249: {
1250:
1.143 kristaps 1251: synopsis_pre(p, n);
1.328 schwarze 1252: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1253: }
1254:
1.241 schwarze 1255: static void
1256: termp_fd_post(DECL_ARGS)
1257: {
1258:
1259: term_newln(p);
1260: }
1261:
1.1 kristaps 1262: static int
1263: termp_sh_pre(DECL_ARGS)
1264: {
1.85 kristaps 1265:
1.86 kristaps 1266: switch (n->type) {
1.314 schwarze 1267: case ROFFT_BLOCK:
1.293 schwarze 1268: /*
1269: * Vertical space before sections, except
1270: * when the previous section was empty.
1271: */
1272: if (n->prev == NULL ||
1.322 schwarze 1273: n->prev->tok != MDOC_Sh ||
1.293 schwarze 1274: (n->prev->body != NULL &&
1275: n->prev->body->child != NULL))
1276: term_vspace(p);
1.65 kristaps 1277: break;
1.314 schwarze 1278: case ROFFT_HEAD:
1.102 kristaps 1279: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1280: break;
1.314 schwarze 1281: case ROFFT_BODY:
1.238 schwarze 1282: p->offset = term_len(p, p->defindent);
1.322 schwarze 1283: switch (n->sec) {
1284: case SEC_DESCRIPTION:
1285: fn_prio = 0;
1286: break;
1287: case SEC_AUTHORS:
1.239 schwarze 1288: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.322 schwarze 1289: break;
1290: default:
1291: break;
1292: }
1.1 kristaps 1293: break;
1294: default:
1295: break;
1296: }
1.328 schwarze 1297: return 1;
1.1 kristaps 1298: }
1299:
1300: static void
1301: termp_sh_post(DECL_ARGS)
1302: {
1303:
1.86 kristaps 1304: switch (n->type) {
1.314 schwarze 1305: case ROFFT_HEAD:
1.1 kristaps 1306: term_newln(p);
1307: break;
1.314 schwarze 1308: case ROFFT_BODY:
1.1 kristaps 1309: term_newln(p);
1310: p->offset = 0;
1311: break;
1312: default:
1313: break;
1314: }
1315: }
1316:
1317: static void
1318: termp_lb_post(DECL_ARGS)
1319: {
1320:
1.338 schwarze 1321: if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
1.81 kristaps 1322: term_newln(p);
1.1 kristaps 1323: }
1324:
1325: static int
1326: termp_d1_pre(DECL_ARGS)
1327: {
1328:
1.314 schwarze 1329: if (n->type != ROFFT_BLOCK)
1.328 schwarze 1330: return 1;
1.1 kristaps 1331: term_newln(p);
1.238 schwarze 1332: p->offset += term_len(p, p->defindent + 1);
1.328 schwarze 1333: return 1;
1.1 kristaps 1334: }
1335:
1336: static int
1337: termp_ft_pre(DECL_ARGS)
1338: {
1339:
1.338 schwarze 1340: /* NB: NODE_LINE does not effect this! */
1.143 kristaps 1341: synopsis_pre(p, n);
1.102 kristaps 1342: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 1343: return 1;
1.1 kristaps 1344: }
1345:
1346: static int
1347: termp_fn_pre(DECL_ARGS)
1348: {
1.257 schwarze 1349: size_t rmargin = 0;
1.226 kristaps 1350: int pretty;
1351:
1.338 schwarze 1352: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1353:
1.143 kristaps 1354: synopsis_pre(p, n);
1.139 kristaps 1355:
1.226 kristaps 1356: if (NULL == (n = n->child))
1.328 schwarze 1357: return 0;
1.226 kristaps 1358:
1.251 schwarze 1359: if (pretty) {
1360: rmargin = p->rmargin;
1.257 schwarze 1361: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 1362: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251 schwarze 1363: }
1364:
1.314 schwarze 1365: assert(n->type == ROFFT_TEXT);
1.102 kristaps 1366: term_fontpush(p, TERMFONT_BOLD);
1.226 kristaps 1367: term_word(p, n->string);
1.102 kristaps 1368: term_fontpop(p);
1.1 kristaps 1369:
1.336 schwarze 1370: if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.324 schwarze 1371: tag_put(n->string, ++fn_prio, p->line);
1.322 schwarze 1372:
1.251 schwarze 1373: if (pretty) {
1374: term_flushln(p);
1.263 schwarze 1375: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251 schwarze 1376: p->offset = p->rmargin;
1377: p->rmargin = rmargin;
1378: }
1379:
1.1 kristaps 1380: p->flags |= TERMP_NOSPACE;
1381: term_word(p, "(");
1.222 kristaps 1382: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1383:
1.226 kristaps 1384: for (n = n->next; n; n = n->next) {
1.314 schwarze 1385: assert(n->type == ROFFT_TEXT);
1.102 kristaps 1386: term_fontpush(p, TERMFONT_UNDER);
1.255 schwarze 1387: if (pretty)
1388: p->flags |= TERMP_NBRWORD;
1.226 kristaps 1389: term_word(p, n->string);
1.102 kristaps 1390: term_fontpop(p);
1391:
1.226 kristaps 1392: if (n->next) {
1.222 kristaps 1393: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1394: term_word(p, ",");
1.222 kristaps 1395: }
1.1 kristaps 1396: }
1397:
1.222 kristaps 1398: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1399: term_word(p, ")");
1400:
1.226 kristaps 1401: if (pretty) {
1.222 kristaps 1402: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1403: term_word(p, ";");
1.251 schwarze 1404: term_flushln(p);
1.222 kristaps 1405: }
1.1 kristaps 1406:
1.328 schwarze 1407: return 0;
1.1 kristaps 1408: }
1409:
1410: static int
1411: termp_fa_pre(DECL_ARGS)
1412: {
1.315 schwarze 1413: const struct roff_node *nn;
1.1 kristaps 1414:
1.86 kristaps 1415: if (n->parent->tok != MDOC_Fo) {
1.102 kristaps 1416: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 1417: return 1;
1.1 kristaps 1418: }
1419:
1.86 kristaps 1420: for (nn = n->child; nn; nn = nn->next) {
1.102 kristaps 1421: term_fontpush(p, TERMFONT_UNDER);
1.258 schwarze 1422: p->flags |= TERMP_NBRWORD;
1.86 kristaps 1423: term_word(p, nn->string);
1.102 kristaps 1424: term_fontpop(p);
1425:
1.256 schwarze 1426: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222 kristaps 1427: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1428: term_word(p, ",");
1.222 kristaps 1429: }
1.1 kristaps 1430: }
1431:
1.328 schwarze 1432: return 0;
1.1 kristaps 1433: }
1434:
1435: static int
1436: termp_bd_pre(DECL_ARGS)
1437: {
1.272 schwarze 1438: size_t tabwidth, lm, len, rm, rmax;
1.315 schwarze 1439: struct roff_node *nn;
1.302 schwarze 1440: int offset;
1.1 kristaps 1441:
1.314 schwarze 1442: if (n->type == ROFFT_BLOCK) {
1.151 kristaps 1443: print_bvspace(p, n, n);
1.328 schwarze 1444: return 1;
1.314 schwarze 1445: } else if (n->type == ROFFT_HEAD)
1.328 schwarze 1446: return 0;
1.1 kristaps 1447:
1.288 schwarze 1448: /* Handle the -offset argument. */
1449:
1450: if (n->norm->Bd.offs == NULL ||
1451: ! strcmp(n->norm->Bd.offs, "left"))
1452: /* nothing */;
1453: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1454: p->offset += term_len(p, p->defindent + 1);
1455: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1456: p->offset += term_len(p, (p->defindent + 1) * 2);
1.302 schwarze 1457: else {
1458: offset = a2width(p, n->norm->Bd.offs);
1459: if (offset < 0 && (size_t)(-offset) > p->offset)
1460: p->offset = 0;
1461: else if (offset < SHRT_MAX)
1462: p->offset += offset;
1463: }
1.85 kristaps 1464:
1465: /*
1466: * If -ragged or -filled are specified, the block does nothing
1467: * but change the indentation. If -unfilled or -literal are
1468: * specified, text is printed exactly as entered in the display:
1469: * for macro lines, a newline is appended to the line. Blank
1470: * lines are allowed.
1471: */
1.264 schwarze 1472:
1473: if (DISP_literal != n->norm->Bd.type &&
1.272 schwarze 1474: DISP_unfilled != n->norm->Bd.type &&
1475: DISP_centered != n->norm->Bd.type)
1.328 schwarze 1476: return 1;
1.1 kristaps 1477:
1.129 schwarze 1478: tabwidth = p->tabwidth;
1.208 kristaps 1479: if (DISP_literal == n->norm->Bd.type)
1480: p->tabwidth = term_len(p, 8);
1481:
1.272 schwarze 1482: lm = p->offset;
1.119 kristaps 1483: rm = p->rmargin;
1484: rmax = p->maxrmargin;
1.120 kristaps 1485: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1486:
1.86 kristaps 1487: for (nn = n->child; nn; nn = nn->next) {
1.272 schwarze 1488: if (DISP_centered == n->norm->Bd.type) {
1.314 schwarze 1489: if (nn->type == ROFFT_TEXT) {
1.272 schwarze 1490: len = term_strlen(p, nn->string);
1491: p->offset = len >= rm ? 0 :
1492: lm + len >= rm ? rm - len :
1493: (lm + rm - len) / 2;
1494: } else
1495: p->offset = lm;
1496: }
1.245 schwarze 1497: print_mdoc_node(p, pair, meta, nn);
1.190 kristaps 1498: /*
1499: * If the printed node flushes its own line, then we
1500: * needn't do it here as well. This is hacky, but the
1501: * notion of selective eoln whitespace is pretty dumb
1502: * anyway, so don't sweat it.
1503: */
1504: switch (nn->tok) {
1.264 schwarze 1505: case MDOC_Sm:
1506: case MDOC_br:
1507: case MDOC_sp:
1508: case MDOC_Bl:
1509: case MDOC_D1:
1510: case MDOC_Dl:
1511: case MDOC_Lp:
1512: case MDOC_Pp:
1.190 kristaps 1513: continue;
1514: default:
1515: break;
1516: }
1.299 schwarze 1517: if (p->flags & TERMP_NONEWLINE ||
1.338 schwarze 1518: (nn->next && ! (nn->next->flags & NODE_LINE)))
1.180 schwarze 1519: continue;
1520: term_flushln(p);
1521: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1522: }
1.147 kristaps 1523:
1.129 schwarze 1524: p->tabwidth = tabwidth;
1.119 kristaps 1525: p->rmargin = rm;
1526: p->maxrmargin = rmax;
1.328 schwarze 1527: return 0;
1.1 kristaps 1528: }
1529:
1530: static void
1531: termp_bd_post(DECL_ARGS)
1532: {
1.119 kristaps 1533: size_t rm, rmax;
1.1 kristaps 1534:
1.314 schwarze 1535: if (n->type != ROFFT_BODY)
1.1 kristaps 1536: return;
1.118 kristaps 1537:
1.119 kristaps 1538: rm = p->rmargin;
1539: rmax = p->maxrmargin;
1.118 kristaps 1540:
1.264 schwarze 1541: if (DISP_literal == n->norm->Bd.type ||
1542: DISP_unfilled == n->norm->Bd.type)
1.120 kristaps 1543: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1544:
1.60 kristaps 1545: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1546: term_newln(p);
1.118 kristaps 1547:
1.119 kristaps 1548: p->rmargin = rm;
1549: p->maxrmargin = rmax;
1.1 kristaps 1550: }
1551:
1552: static int
1.26 kristaps 1553: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1554: {
1.339 schwarze 1555: if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
1556: p->flags |= TERMP_PREKEEP;
1557: return 1;
1558: }
1.1 kristaps 1559:
1.339 schwarze 1560: static void
1561: termp_xx_post(DECL_ARGS)
1562: {
1563: if (n->aux == 0)
1564: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1 kristaps 1565: }
1566:
1567: static void
1568: termp_pf_post(DECL_ARGS)
1569: {
1570:
1.338 schwarze 1571: if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.298 schwarze 1572: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1573: }
1574:
1575: static int
1576: termp_ss_pre(DECL_ARGS)
1577: {
1.337 schwarze 1578: struct roff_node *nn;
1.1 kristaps 1579:
1.86 kristaps 1580: switch (n->type) {
1.314 schwarze 1581: case ROFFT_BLOCK:
1.1 kristaps 1582: term_newln(p);
1.337 schwarze 1583: for (nn = n->prev; nn != NULL; nn = nn->prev)
1584: if ((nn->flags & NODE_NOPRT) == 0)
1585: break;
1586: if (nn != NULL)
1.1 kristaps 1587: term_vspace(p);
1588: break;
1.314 schwarze 1589: case ROFFT_HEAD:
1.102 kristaps 1590: term_fontpush(p, TERMFONT_BOLD);
1.238 schwarze 1591: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1592: break;
1.314 schwarze 1593: case ROFFT_BODY:
1.274 schwarze 1594: p->offset = term_len(p, p->defindent);
1595: break;
1.1 kristaps 1596: default:
1597: break;
1598: }
1599:
1.328 schwarze 1600: return 1;
1.1 kristaps 1601: }
1602:
1603: static void
1604: termp_ss_post(DECL_ARGS)
1605: {
1606:
1.314 schwarze 1607: if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1 kristaps 1608: term_newln(p);
1609: }
1610:
1611: static int
1612: termp_cd_pre(DECL_ARGS)
1613: {
1614:
1.143 kristaps 1615: synopsis_pre(p, n);
1.102 kristaps 1616: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1617: return 1;
1.1 kristaps 1618: }
1619:
1620: static int
1621: termp_in_pre(DECL_ARGS)
1622: {
1.142 schwarze 1623:
1.143 kristaps 1624: synopsis_pre(p, n);
1.1 kristaps 1625:
1.338 schwarze 1626: if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
1.138 kristaps 1627: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1628: term_word(p, "#include");
1.138 kristaps 1629: term_word(p, "<");
1630: } else {
1631: term_word(p, "<");
1632: term_fontpush(p, TERMFONT_UNDER);
1633: }
1.22 kristaps 1634:
1.1 kristaps 1635: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1636: return 1;
1.1 kristaps 1637: }
1638:
1639: static void
1640: termp_in_post(DECL_ARGS)
1641: {
1642:
1.338 schwarze 1643: if (NODE_SYNPRETTY & n->flags)
1.138 kristaps 1644: term_fontpush(p, TERMFONT_BOLD);
1645:
1.79 kristaps 1646: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1647: term_word(p, ">");
1648:
1.338 schwarze 1649: if (NODE_SYNPRETTY & n->flags)
1.138 kristaps 1650: term_fontpop(p);
1.1 kristaps 1651: }
1652:
1653: static int
1.45 kristaps 1654: termp_sp_pre(DECL_ARGS)
1655: {
1.300 schwarze 1656: struct roffsu su;
1.312 schwarze 1657: int i, len;
1.45 kristaps 1658:
1.86 kristaps 1659: switch (n->tok) {
1.264 schwarze 1660: case MDOC_sp:
1.300 schwarze 1661: if (n->child) {
1662: if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
1663: su.scale = 1.0;
1664: len = term_vspan(p, &su);
1665: } else
1666: len = 1;
1.76 kristaps 1667: break;
1.264 schwarze 1668: case MDOC_br:
1.76 kristaps 1669: len = 0;
1670: break;
1671: default:
1672: len = 1;
1.322 schwarze 1673: fn_prio = 0;
1.76 kristaps 1674: break;
1.45 kristaps 1675: }
1676:
1677: if (0 == len)
1678: term_newln(p);
1.312 schwarze 1679: else if (len < 0)
1680: p->skipvsp -= len;
1681: else
1682: for (i = 0; i < len; i++)
1683: term_vspace(p);
1.45 kristaps 1684:
1.328 schwarze 1685: return 0;
1.45 kristaps 1686: }
1687:
1688: static int
1.294 schwarze 1689: termp_skip_pre(DECL_ARGS)
1.268 schwarze 1690: {
1691:
1.328 schwarze 1692: return 0;
1.268 schwarze 1693: }
1694:
1695: static int
1.188 kristaps 1696: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1697: {
1698:
1.314 schwarze 1699: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.328 schwarze 1700: return 1;
1.1 kristaps 1701:
1.188 kristaps 1702: switch (n->tok) {
1.264 schwarze 1703: case MDOC_Ao:
1704: case MDOC_Aq:
1.331 schwarze 1705: term_word(p, n->child != NULL && n->child->next == NULL &&
1.303 schwarze 1706: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.188 kristaps 1707: break;
1.264 schwarze 1708: case MDOC_Bro:
1709: case MDOC_Brq:
1.188 kristaps 1710: term_word(p, "{");
1711: break;
1.264 schwarze 1712: case MDOC_Oo:
1713: case MDOC_Op:
1714: case MDOC_Bo:
1715: case MDOC_Bq:
1.188 kristaps 1716: term_word(p, "[");
1717: break;
1.264 schwarze 1718: case MDOC_Do:
1719: case MDOC_Dq:
1.311 schwarze 1720: term_word(p, "\\(Lq");
1.188 kristaps 1721: break;
1.268 schwarze 1722: case MDOC_En:
1723: if (NULL == n->norm->Es ||
1724: NULL == n->norm->Es->child)
1.328 schwarze 1725: return 1;
1.268 schwarze 1726: term_word(p, n->norm->Es->child->string);
1727: break;
1.264 schwarze 1728: case MDOC_Po:
1729: case MDOC_Pq:
1.188 kristaps 1730: term_word(p, "(");
1731: break;
1.264 schwarze 1732: case MDOC__T:
1733: case MDOC_Qo:
1734: case MDOC_Qq:
1.188 kristaps 1735: term_word(p, "\"");
1736: break;
1.264 schwarze 1737: case MDOC_Ql:
1738: case MDOC_So:
1739: case MDOC_Sq:
1.249 schwarze 1740: term_word(p, "\\(oq");
1.188 kristaps 1741: break;
1742: default:
1743: abort();
1744: }
1.1 kristaps 1745:
1746: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1747: return 1;
1.1 kristaps 1748: }
1749:
1750: static void
1.188 kristaps 1751: termp_quote_post(DECL_ARGS)
1.1 kristaps 1752: {
1753:
1.314 schwarze 1754: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1 kristaps 1755: return;
1756:
1.306 schwarze 1757: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1758:
1.188 kristaps 1759: switch (n->tok) {
1.264 schwarze 1760: case MDOC_Ao:
1761: case MDOC_Aq:
1.331 schwarze 1762: term_word(p, n->child != NULL && n->child->next == NULL &&
1.303 schwarze 1763: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.188 kristaps 1764: break;
1.264 schwarze 1765: case MDOC_Bro:
1766: case MDOC_Brq:
1.188 kristaps 1767: term_word(p, "}");
1768: break;
1.264 schwarze 1769: case MDOC_Oo:
1770: case MDOC_Op:
1771: case MDOC_Bo:
1772: case MDOC_Bq:
1.188 kristaps 1773: term_word(p, "]");
1774: break;
1.264 schwarze 1775: case MDOC_Do:
1776: case MDOC_Dq:
1.311 schwarze 1777: term_word(p, "\\(Rq");
1.268 schwarze 1778: break;
1779: case MDOC_En:
1.306 schwarze 1780: if (n->norm->Es == NULL ||
1781: n->norm->Es->child == NULL ||
1782: n->norm->Es->child->next == NULL)
1783: p->flags &= ~TERMP_NOSPACE;
1784: else
1.268 schwarze 1785: term_word(p, n->norm->Es->child->next->string);
1.188 kristaps 1786: break;
1.264 schwarze 1787: case MDOC_Po:
1788: case MDOC_Pq:
1.188 kristaps 1789: term_word(p, ")");
1790: break;
1.264 schwarze 1791: case MDOC__T:
1792: case MDOC_Qo:
1793: case MDOC_Qq:
1.188 kristaps 1794: term_word(p, "\"");
1795: break;
1.264 schwarze 1796: case MDOC_Ql:
1797: case MDOC_So:
1798: case MDOC_Sq:
1.249 schwarze 1799: term_word(p, "\\(cq");
1.188 kristaps 1800: break;
1801: default:
1802: abort();
1803: }
1.306 schwarze 1804: }
1805:
1806: static int
1807: termp_eo_pre(DECL_ARGS)
1808: {
1809:
1.314 schwarze 1810: if (n->type != ROFFT_BODY)
1.328 schwarze 1811: return 1;
1.306 schwarze 1812:
1813: if (n->end == ENDBODY_NOT &&
1814: n->parent->head->child == NULL &&
1815: n->child != NULL &&
1816: n->child->end != ENDBODY_NOT)
1817: term_word(p, "\\&");
1818: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.309 schwarze 1819: n->parent->head->child != NULL && (n->child != NULL ||
1820: (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.306 schwarze 1821: p->flags |= TERMP_NOSPACE;
1822:
1.328 schwarze 1823: return 1;
1.306 schwarze 1824: }
1825:
1826: static void
1827: termp_eo_post(DECL_ARGS)
1828: {
1829: int body, tail;
1830:
1.314 schwarze 1831: if (n->type != ROFFT_BODY)
1.306 schwarze 1832: return;
1833:
1834: if (n->end != ENDBODY_NOT) {
1835: p->flags &= ~TERMP_NOSPACE;
1836: return;
1837: }
1838:
1839: body = n->child != NULL || n->parent->head->child != NULL;
1840: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1841:
1842: if (body && tail)
1843: p->flags |= TERMP_NOSPACE;
1844: else if ( ! (body || tail))
1845: term_word(p, "\\&");
1846: else if ( ! tail)
1847: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1848: }
1849:
1850: static int
1851: termp_fo_pre(DECL_ARGS)
1852: {
1.257 schwarze 1853: size_t rmargin = 0;
1.256 schwarze 1854: int pretty;
1855:
1.338 schwarze 1856: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1857:
1.314 schwarze 1858: if (n->type == ROFFT_BLOCK) {
1.143 kristaps 1859: synopsis_pre(p, n);
1.328 schwarze 1860: return 1;
1.314 schwarze 1861: } else if (n->type == ROFFT_BODY) {
1.256 schwarze 1862: if (pretty) {
1863: rmargin = p->rmargin;
1.257 schwarze 1864: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 1865: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1866: TERMP_HANG;
1.256 schwarze 1867: }
1.33 kristaps 1868: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1869: term_word(p, "(");
1.222 kristaps 1870: p->flags |= TERMP_NOSPACE;
1.256 schwarze 1871: if (pretty) {
1872: term_flushln(p);
1.263 schwarze 1873: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1874: TERMP_HANG);
1.256 schwarze 1875: p->offset = p->rmargin;
1876: p->rmargin = rmargin;
1877: }
1.328 schwarze 1878: return 1;
1.256 schwarze 1879: }
1.141 kristaps 1880:
1.169 kristaps 1881: if (NULL == n->child)
1.328 schwarze 1882: return 0;
1.169 kristaps 1883:
1.141 kristaps 1884: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 1885:
1.141 kristaps 1886: assert(n->child->string);
1.102 kristaps 1887: term_fontpush(p, TERMFONT_BOLD);
1.141 kristaps 1888: term_word(p, n->child->string);
1.328 schwarze 1889: return 0;
1.1 kristaps 1890: }
1891:
1892: static void
1893: termp_fo_post(DECL_ARGS)
1894: {
1895:
1.314 schwarze 1896: if (n->type != ROFFT_BODY)
1.143 kristaps 1897: return;
1898:
1.222 kristaps 1899: p->flags |= TERMP_NOSPACE;
1.143 kristaps 1900: term_word(p, ")");
1901:
1.338 schwarze 1902: if (NODE_SYNPRETTY & n->flags) {
1.222 kristaps 1903: p->flags |= TERMP_NOSPACE;
1.143 kristaps 1904: term_word(p, ";");
1.256 schwarze 1905: term_flushln(p);
1.222 kristaps 1906: }
1.1 kristaps 1907: }
1908:
1909: static int
1910: termp_bf_pre(DECL_ARGS)
1911: {
1912:
1.314 schwarze 1913: if (n->type == ROFFT_HEAD)
1.328 schwarze 1914: return 0;
1.314 schwarze 1915: else if (n->type != ROFFT_BODY)
1.328 schwarze 1916: return 1;
1.1 kristaps 1917:
1.264 schwarze 1918: if (FONT_Em == n->norm->Bf.font)
1.102 kristaps 1919: term_fontpush(p, TERMFONT_UNDER);
1.264 schwarze 1920: else if (FONT_Sy == n->norm->Bf.font)
1.102 kristaps 1921: term_fontpush(p, TERMFONT_BOLD);
1.264 schwarze 1922: else
1.102 kristaps 1923: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 1924:
1.328 schwarze 1925: return 1;
1.1 kristaps 1926: }
1927:
1928: static int
1929: termp_sm_pre(DECL_ARGS)
1930: {
1931:
1.269 schwarze 1932: if (NULL == n->child)
1933: p->flags ^= TERMP_NONOSPACE;
1934: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 1935: p->flags &= ~TERMP_NONOSPACE;
1.269 schwarze 1936: else
1.1 kristaps 1937: p->flags |= TERMP_NONOSPACE;
1.269 schwarze 1938:
1939: if (p->col && ! (TERMP_NONOSPACE & p->flags))
1940: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1941:
1.328 schwarze 1942: return 0;
1.1 kristaps 1943: }
1944:
1945: static int
1946: termp_ap_pre(DECL_ARGS)
1947: {
1948:
1949: p->flags |= TERMP_NOSPACE;
1.188 kristaps 1950: term_word(p, "'");
1.1 kristaps 1951: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1952: return 1;
1.1 kristaps 1953: }
1954:
1955: static void
1956: termp____post(DECL_ARGS)
1957: {
1.184 kristaps 1958:
1959: /*
1960: * Handle lists of authors. In general, print each followed by
1961: * a comma. Don't print the comma if there are only two
1962: * authors.
1963: */
1964: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
1965: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
1966: if (NULL == n->prev || MDOC__A != n->prev->tok)
1967: return;
1.1 kristaps 1968:
1.95 kristaps 1969: /* TODO: %U. */
1970:
1.187 kristaps 1971: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
1972: return;
1973:
1.222 kristaps 1974: p->flags |= TERMP_NOSPACE;
1.186 kristaps 1975: if (NULL == n->next) {
1976: term_word(p, ".");
1977: p->flags |= TERMP_SENTENCE;
1978: } else
1979: term_word(p, ",");
1.1 kristaps 1980: }
1981:
1982: static int
1.102 kristaps 1983: termp_li_pre(DECL_ARGS)
1984: {
1985:
1.335 schwarze 1986: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1987: term_fontpush(p, TERMFONT_NONE);
1.328 schwarze 1988: return 1;
1.102 kristaps 1989: }
1990:
1991: static int
1.1 kristaps 1992: termp_lk_pre(DECL_ARGS)
1993: {
1.315 schwarze 1994: const struct roff_node *link, *descr;
1.1 kristaps 1995:
1.240 schwarze 1996: if (NULL == (link = n->child))
1.328 schwarze 1997: return 0;
1.181 kristaps 1998:
1.240 schwarze 1999: if (NULL != (descr = link->next)) {
2000: term_fontpush(p, TERMFONT_UNDER);
2001: while (NULL != descr) {
2002: term_word(p, descr->string);
2003: descr = descr->next;
2004: }
2005: p->flags |= TERMP_NOSPACE;
2006: term_word(p, ":");
2007: term_fontpop(p);
2008: }
1.1 kristaps 2009:
1.102 kristaps 2010: term_fontpush(p, TERMFONT_BOLD);
1.240 schwarze 2011: term_word(p, link->string);
1.102 kristaps 2012: term_fontpop(p);
1.12 kristaps 2013:
1.328 schwarze 2014: return 0;
1.1 kristaps 2015: }
2016:
1.159 schwarze 2017: static int
2018: termp_bk_pre(DECL_ARGS)
2019: {
2020:
1.161 schwarze 2021: switch (n->type) {
1.314 schwarze 2022: case ROFFT_BLOCK:
1.166 kristaps 2023: break;
1.314 schwarze 2024: case ROFFT_HEAD:
1.328 schwarze 2025: return 0;
1.314 schwarze 2026: case ROFFT_BODY:
1.331 schwarze 2027: if (n->parent->args != NULL || n->prev->child == NULL)
1.200 schwarze 2028: p->flags |= TERMP_PREKEEP;
1.166 kristaps 2029: break;
1.161 schwarze 2030: default:
2031: abort();
2032: }
1.166 kristaps 2033:
1.328 schwarze 2034: return 1;
1.159 schwarze 2035: }
2036:
2037: static void
2038: termp_bk_post(DECL_ARGS)
2039: {
2040:
1.314 schwarze 2041: if (n->type == ROFFT_BODY)
1.161 schwarze 2042: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203 kristaps 2043: }
2044:
2045: static void
2046: termp__t_post(DECL_ARGS)
2047: {
2048:
2049: /*
2050: * If we're in an `Rs' and there's a journal present, then quote
2051: * us instead of underlining us (for disambiguation).
2052: */
1.217 schwarze 2053: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2054: n->parent->norm->Rs.quote_T)
1.245 schwarze 2055: termp_quote_post(p, pair, meta, n);
1.203 kristaps 2056:
1.245 schwarze 2057: termp____post(p, pair, meta, n);
1.203 kristaps 2058: }
2059:
2060: static int
2061: termp__t_pre(DECL_ARGS)
2062: {
2063:
2064: /*
2065: * If we're in an `Rs' and there's a journal present, then quote
2066: * us instead of underlining us (for disambiguation).
2067: */
2068: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2069: n->parent->norm->Rs.quote_T)
1.328 schwarze 2070: return termp_quote_pre(p, pair, meta, n);
1.203 kristaps 2071:
2072: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 2073: return 1;
1.159 schwarze 2074: }
1.1 kristaps 2075:
2076: static int
1.69 kristaps 2077: termp_under_pre(DECL_ARGS)
1.1 kristaps 2078: {
2079:
1.102 kristaps 2080: term_fontpush(p, TERMFONT_UNDER);
1.334 schwarze 2081: return 1;
2082: }
2083:
2084: static int
2085: termp_em_pre(DECL_ARGS)
2086: {
2087: if (n->child != NULL &&
2088: n->child->type == ROFFT_TEXT)
2089: tag_put(n->child->string, 0, p->line);
2090: term_fontpush(p, TERMFONT_UNDER);
2091: return 1;
2092: }
2093:
2094: static int
2095: termp_sy_pre(DECL_ARGS)
2096: {
2097: if (n->child != NULL &&
2098: n->child->type == ROFFT_TEXT)
2099: tag_put(n->child->string, 0, p->line);
2100: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 2101: return 1;
1.323 schwarze 2102: }
2103:
2104: static int
2105: termp_er_pre(DECL_ARGS)
2106: {
2107:
2108: if (n->sec == SEC_ERRORS &&
2109: (n->parent->tok == MDOC_It ||
2110: (n->parent->tok == MDOC_Bq &&
1.324 schwarze 2111: n->parent->parent->parent->tok == MDOC_It)))
2112: tag_put(n->child->string, 1, p->line);
1.328 schwarze 2113: return 1;
1.320 schwarze 2114: }
2115:
2116: static int
2117: termp_tag_pre(DECL_ARGS)
2118: {
2119:
2120: if (n->child != NULL &&
2121: n->child->type == ROFFT_TEXT &&
1.333 schwarze 2122: (n->prev == NULL ||
2123: (n->prev->type == ROFFT_TEXT &&
2124: strcmp(n->prev->string, "|") == 0)) &&
1.320 schwarze 2125: (n->parent->tok == MDOC_It ||
2126: (n->parent->tok == MDOC_Xo &&
2127: n->parent->parent->prev == NULL &&
1.324 schwarze 2128: n->parent->parent->parent->tok == MDOC_It)))
2129: tag_put(n->child->string, 1, p->line);
1.328 schwarze 2130: return 1;
1.84 kristaps 2131: }
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