Annotation of mandoc/mdoc_term.c, Revision 1.358
1.358 ! schwarze 1: /* $Id: mdoc_term.c,v 1.357 2017/05/09 14:10:01 schwarze Exp $ */
1.1 kristaps 2: /*
1.217 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.339 schwarze 4: * Copyright (c) 2010, 2012-2017 Ingo Schwarze <schwarze@openbsd.org>
1.256 schwarze 5: * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
1.1 kristaps 6: *
7: * Permission to use, copy, modify, and distribute this software for any
1.6 kristaps 8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 10: *
1.314 schwarze 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.6 kristaps 12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.314 schwarze 13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.6 kristaps 14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 18: */
1.107 kristaps 19: #include "config.h"
20:
1.1 kristaps 21: #include <sys/types.h>
22:
23: #include <assert.h>
24: #include <ctype.h>
1.302 schwarze 25: #include <limits.h>
1.118 kristaps 26: #include <stdint.h>
1.1 kristaps 27: #include <stdio.h>
28: #include <stdlib.h>
29: #include <string.h>
30:
1.314 schwarze 31: #include "mandoc_aux.h"
1.125 kristaps 32: #include "mandoc.h"
1.314 schwarze 33: #include "roff.h"
34: #include "mdoc.h"
1.92 kristaps 35: #include "out.h"
1.1 kristaps 36: #include "term.h"
1.320 schwarze 37: #include "tag.h"
1.89 kristaps 38: #include "main.h"
1.1 kristaps 39:
40: struct termpair {
41: struct termpair *ppair;
1.31 kristaps 42: int count;
1.1 kristaps 43: };
44:
1.31 kristaps 45: #define DECL_ARGS struct termp *p, \
46: struct termpair *pair, \
1.316 schwarze 47: const struct roff_meta *meta, \
1.315 schwarze 48: struct roff_node *n
1.1 kristaps 49:
50: struct termact {
51: int (*pre)(DECL_ARGS);
52: void (*post)(DECL_ARGS);
53: };
54:
1.302 schwarze 55: static int a2width(const struct termp *, const char *);
1.96 kristaps 56:
57: static void print_bvspace(struct termp *,
1.315 schwarze 58: const struct roff_node *,
59: const struct roff_node *);
1.264 schwarze 60: static void print_mdoc_node(DECL_ARGS);
1.145 kristaps 61: static void print_mdoc_nodelist(DECL_ARGS);
1.316 schwarze 62: static void print_mdoc_head(struct termp *, const struct roff_meta *);
63: static void print_mdoc_foot(struct termp *, const struct roff_meta *);
1.264 schwarze 64: static void synopsis_pre(struct termp *,
1.315 schwarze 65: const struct roff_node *);
1.96 kristaps 66:
1.31 kristaps 67: static void termp____post(DECL_ARGS);
1.203 kristaps 68: static void termp__t_post(DECL_ARGS);
1.31 kristaps 69: static void termp_bd_post(DECL_ARGS);
1.159 schwarze 70: static void termp_bk_post(DECL_ARGS);
1.31 kristaps 71: static void termp_bl_post(DECL_ARGS);
1.306 schwarze 72: static void termp_eo_post(DECL_ARGS);
1.241 schwarze 73: static void termp_fd_post(DECL_ARGS);
1.31 kristaps 74: static void termp_fo_post(DECL_ARGS);
75: static void termp_in_post(DECL_ARGS);
76: static void termp_it_post(DECL_ARGS);
77: static void termp_lb_post(DECL_ARGS);
1.164 schwarze 78: static void termp_nm_post(DECL_ARGS);
1.31 kristaps 79: static void termp_pf_post(DECL_ARGS);
1.188 kristaps 80: static void termp_quote_post(DECL_ARGS);
1.31 kristaps 81: static void termp_sh_post(DECL_ARGS);
82: static void termp_ss_post(DECL_ARGS);
1.339 schwarze 83: static void termp_xx_post(DECL_ARGS);
1.31 kristaps 84:
1.184 kristaps 85: static int termp__a_pre(DECL_ARGS);
1.203 kristaps 86: static int termp__t_pre(DECL_ARGS);
1.61 kristaps 87: static int termp_an_pre(DECL_ARGS);
1.31 kristaps 88: static int termp_ap_pre(DECL_ARGS);
89: static int termp_bd_pre(DECL_ARGS);
90: static int termp_bf_pre(DECL_ARGS);
1.159 schwarze 91: static int termp_bk_pre(DECL_ARGS);
1.115 kristaps 92: static int termp_bl_pre(DECL_ARGS);
1.69 kristaps 93: static int termp_bold_pre(DECL_ARGS);
1.31 kristaps 94: static int termp_cd_pre(DECL_ARGS);
95: static int termp_d1_pre(DECL_ARGS);
1.306 schwarze 96: static int termp_eo_pre(DECL_ARGS);
1.334 schwarze 97: static int termp_em_pre(DECL_ARGS);
1.323 schwarze 98: static int termp_er_pre(DECL_ARGS);
1.31 kristaps 99: static int termp_ex_pre(DECL_ARGS);
100: static int termp_fa_pre(DECL_ARGS);
1.188 kristaps 101: static int termp_fd_pre(DECL_ARGS);
1.31 kristaps 102: static int termp_fl_pre(DECL_ARGS);
103: static int termp_fn_pre(DECL_ARGS);
104: static int termp_fo_pre(DECL_ARGS);
105: static int termp_ft_pre(DECL_ARGS);
106: static int termp_in_pre(DECL_ARGS);
107: static int termp_it_pre(DECL_ARGS);
1.102 kristaps 108: static int termp_li_pre(DECL_ARGS);
1.31 kristaps 109: static int termp_lk_pre(DECL_ARGS);
110: static int termp_nd_pre(DECL_ARGS);
111: static int termp_nm_pre(DECL_ARGS);
112: static int termp_ns_pre(DECL_ARGS);
1.188 kristaps 113: static int termp_quote_pre(DECL_ARGS);
1.31 kristaps 114: static int termp_rs_pre(DECL_ARGS);
115: static int termp_sh_pre(DECL_ARGS);
1.294 schwarze 116: static int termp_skip_pre(DECL_ARGS);
1.31 kristaps 117: static int termp_sm_pre(DECL_ARGS);
1.355 schwarze 118: static int termp_pp_pre(DECL_ARGS);
1.31 kristaps 119: static int termp_ss_pre(DECL_ARGS);
1.334 schwarze 120: static int termp_sy_pre(DECL_ARGS);
1.320 schwarze 121: static int termp_tag_pre(DECL_ARGS);
1.69 kristaps 122: static int termp_under_pre(DECL_ARGS);
1.110 kristaps 123: static int termp_vt_pre(DECL_ARGS);
1.31 kristaps 124: static int termp_xr_pre(DECL_ARGS);
125: static int termp_xx_pre(DECL_ARGS);
126:
1.350 schwarze 127: static const struct termact __termacts[MDOC_MAX - MDOC_Dd] = {
1.1 kristaps 128: { NULL, NULL }, /* Dd */
129: { NULL, NULL }, /* Dt */
130: { NULL, NULL }, /* Os */
131: { termp_sh_pre, termp_sh_post }, /* Sh */
1.264 schwarze 132: { termp_ss_pre, termp_ss_post }, /* Ss */
1.355 schwarze 133: { termp_pp_pre, NULL }, /* Pp */
1.241 schwarze 134: { termp_d1_pre, termp_bl_post }, /* D1 */
135: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 136: { termp_bd_pre, termp_bd_post }, /* Bd */
137: { NULL, NULL }, /* Ed */
1.115 kristaps 138: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 139: { NULL, NULL }, /* El */
140: { termp_it_pre, termp_it_post }, /* It */
1.264 schwarze 141: { termp_under_pre, NULL }, /* Ad */
1.282 schwarze 142: { termp_an_pre, NULL }, /* An */
1.350 schwarze 143: { termp_ap_pre, NULL }, /* Ap */
1.69 kristaps 144: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 145: { termp_cd_pre, NULL }, /* Cd */
1.69 kristaps 146: { termp_bold_pre, NULL }, /* Cm */
1.325 schwarze 147: { termp_li_pre, NULL }, /* Dv */
1.323 schwarze 148: { termp_er_pre, NULL }, /* Er */
1.320 schwarze 149: { termp_tag_pre, NULL }, /* Ev */
1.1 kristaps 150: { termp_ex_pre, NULL }, /* Ex */
1.264 schwarze 151: { termp_fa_pre, NULL }, /* Fa */
152: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 153: { termp_fl_pre, NULL }, /* Fl */
1.264 schwarze 154: { termp_fn_pre, NULL }, /* Fn */
155: { termp_ft_pre, NULL }, /* Ft */
156: { termp_bold_pre, NULL }, /* Ic */
157: { termp_in_pre, termp_in_post }, /* In */
1.102 kristaps 158: { termp_li_pre, NULL }, /* Li */
1.264 schwarze 159: { termp_nd_pre, NULL }, /* Nd */
160: { termp_nm_pre, termp_nm_post }, /* Nm */
1.188 kristaps 161: { termp_quote_pre, termp_quote_post }, /* Op */
1.268 schwarze 162: { termp_ft_pre, NULL }, /* Ot */
1.69 kristaps 163: { termp_under_pre, NULL }, /* Pa */
1.341 schwarze 164: { termp_ex_pre, NULL }, /* Rv */
1.264 schwarze 165: { NULL, NULL }, /* St */
1.69 kristaps 166: { termp_under_pre, NULL }, /* Va */
1.143 kristaps 167: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 168: { termp_xr_pre, NULL }, /* Xr */
1.184 kristaps 169: { termp__a_pre, termp____post }, /* %A */
1.84 kristaps 170: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 171: { NULL, termp____post }, /* %D */
1.84 kristaps 172: { termp_under_pre, termp____post }, /* %I */
1.69 kristaps 173: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 174: { NULL, termp____post }, /* %N */
175: { NULL, termp____post }, /* %O */
176: { NULL, termp____post }, /* %P */
177: { NULL, termp____post }, /* %R */
1.203 kristaps 178: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 179: { NULL, termp____post }, /* %V */
180: { NULL, NULL }, /* Ac */
1.188 kristaps 181: { termp_quote_pre, termp_quote_post }, /* Ao */
182: { termp_quote_pre, termp_quote_post }, /* Aq */
1.35 kristaps 183: { NULL, NULL }, /* At */
1.1 kristaps 184: { NULL, NULL }, /* Bc */
1.264 schwarze 185: { termp_bf_pre, NULL }, /* Bf */
1.188 kristaps 186: { termp_quote_pre, termp_quote_post }, /* Bo */
187: { termp_quote_pre, termp_quote_post }, /* Bq */
1.339 schwarze 188: { termp_xx_pre, termp_xx_post }, /* Bsx */
1.340 schwarze 189: { NULL, NULL }, /* Bx */
1.294 schwarze 190: { termp_skip_pre, NULL }, /* Db */
1.1 kristaps 191: { NULL, NULL }, /* Dc */
1.188 kristaps 192: { termp_quote_pre, termp_quote_post }, /* Do */
193: { termp_quote_pre, termp_quote_post }, /* Dq */
1.112 kristaps 194: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 195: { NULL, NULL }, /* Ef */
1.334 schwarze 196: { termp_em_pre, NULL }, /* Em */
1.306 schwarze 197: { termp_eo_pre, termp_eo_post }, /* Eo */
1.339 schwarze 198: { termp_xx_pre, termp_xx_post }, /* Fx */
1.176 kristaps 199: { termp_bold_pre, NULL }, /* Ms */
1.290 schwarze 200: { termp_li_pre, NULL }, /* No */
1.1 kristaps 201: { termp_ns_pre, NULL }, /* Ns */
1.339 schwarze 202: { termp_xx_pre, termp_xx_post }, /* Nx */
203: { termp_xx_pre, termp_xx_post }, /* Ox */
1.1 kristaps 204: { NULL, NULL }, /* Pc */
1.254 schwarze 205: { NULL, termp_pf_post }, /* Pf */
1.188 kristaps 206: { termp_quote_pre, termp_quote_post }, /* Po */
207: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 208: { NULL, NULL }, /* Qc */
1.188 kristaps 209: { termp_quote_pre, termp_quote_post }, /* Ql */
210: { termp_quote_pre, termp_quote_post }, /* Qo */
211: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 212: { NULL, NULL }, /* Re */
213: { termp_rs_pre, NULL }, /* Rs */
214: { NULL, NULL }, /* Sc */
1.188 kristaps 215: { termp_quote_pre, termp_quote_post }, /* So */
216: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 217: { termp_sm_pre, NULL }, /* Sm */
1.69 kristaps 218: { termp_under_pre, NULL }, /* Sx */
1.334 schwarze 219: { termp_sy_pre, NULL }, /* Sy */
1.1 kristaps 220: { NULL, NULL }, /* Tn */
1.339 schwarze 221: { termp_xx_pre, termp_xx_post }, /* Ux */
1.1 kristaps 222: { NULL, NULL }, /* Xc */
223: { NULL, NULL }, /* Xo */
1.264 schwarze 224: { termp_fo_pre, termp_fo_post }, /* Fo */
225: { NULL, NULL }, /* Fc */
1.188 kristaps 226: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 227: { NULL, NULL }, /* Oc */
1.159 schwarze 228: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 229: { NULL, NULL }, /* Ek */
1.341 schwarze 230: { NULL, NULL }, /* Bt */
1.1 kristaps 231: { NULL, NULL }, /* Hf */
1.268 schwarze 232: { termp_under_pre, NULL }, /* Fr */
1.341 schwarze 233: { NULL, NULL }, /* Ud */
1.37 kristaps 234: { NULL, termp_lb_post }, /* Lb */
1.355 schwarze 235: { termp_pp_pre, NULL }, /* Lp */
1.264 schwarze 236: { termp_lk_pre, NULL }, /* Lk */
237: { termp_under_pre, NULL }, /* Mt */
238: { termp_quote_pre, termp_quote_post }, /* Brq */
239: { termp_quote_pre, termp_quote_post }, /* Bro */
240: { NULL, NULL }, /* Brc */
241: { NULL, termp____post }, /* %C */
1.294 schwarze 242: { termp_skip_pre, NULL }, /* Es */
1.268 schwarze 243: { termp_quote_pre, termp_quote_post }, /* En */
1.339 schwarze 244: { termp_xx_pre, termp_xx_post }, /* Dx */
1.264 schwarze 245: { NULL, termp____post }, /* %Q */
246: { NULL, termp____post }, /* %U */
247: { NULL, NULL }, /* Ta */
1.1 kristaps 248: };
1.350 schwarze 249: static const struct termact *const termacts = __termacts - MDOC_Dd;
1.1 kristaps 250:
1.322 schwarze 251: static int fn_prio;
1.1 kristaps 252:
1.350 schwarze 253:
1.70 kristaps 254: void
1.318 schwarze 255: terminal_mdoc(void *arg, const struct roff_man *mdoc)
1.1 kristaps 256: {
1.315 schwarze 257: struct roff_node *n;
1.89 kristaps 258: struct termp *p;
1.342 schwarze 259: size_t save_defindent;
1.89 kristaps 260:
261: p = (struct termp *)arg;
1.111 kristaps 262: p->overstep = 0;
1.281 schwarze 263: p->rmargin = p->maxrmargin = p->defrmargin;
1.356 schwarze 264: term_tab_set(p, NULL);
265: term_tab_set(p, "T");
266: term_tab_set(p, ".5i");
1.70 kristaps 267:
1.319 schwarze 268: n = mdoc->first->child;
1.281 schwarze 269: if (p->synopsisonly) {
270: while (n != NULL) {
271: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
272: if (n->child->next->child != NULL)
273: print_mdoc_nodelist(p, NULL,
1.319 schwarze 274: &mdoc->meta,
275: n->child->next->child);
1.281 schwarze 276: term_newln(p);
277: break;
278: }
279: n = n->next;
280: }
281: } else {
1.342 schwarze 282: save_defindent = p->defindent;
1.281 schwarze 283: if (p->defindent == 0)
284: p->defindent = 5;
1.319 schwarze 285: term_begin(p, print_mdoc_head, print_mdoc_foot,
286: &mdoc->meta);
1.337 schwarze 287: while (n != NULL && n->flags & NODE_NOPRT)
288: n = n->next;
1.281 schwarze 289: if (n != NULL) {
290: if (n->tok != MDOC_Sh)
291: term_vspace(p);
1.319 schwarze 292: print_mdoc_nodelist(p, NULL, &mdoc->meta, n);
1.281 schwarze 293: }
294: term_end(p);
1.342 schwarze 295: p->defindent = save_defindent;
1.271 schwarze 296: }
1.1 kristaps 297: }
298:
1.3 kristaps 299: static void
1.102 kristaps 300: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 301: {
302:
1.304 schwarze 303: while (n != NULL) {
304: print_mdoc_node(p, pair, meta, n);
305: n = n->next;
306: }
1.1 kristaps 307: }
308:
1.3 kristaps 309: static void
1.102 kristaps 310: print_mdoc_node(DECL_ARGS)
1.1 kristaps 311: {
1.102 kristaps 312: int chld;
1.1 kristaps 313: struct termpair npair;
1.30 kristaps 314: size_t offset, rmargin;
1.1 kristaps 315:
1.337 schwarze 316: if (n->flags & NODE_NOPRT)
317: return;
318:
1.70 kristaps 319: chld = 1;
1.29 kristaps 320: offset = p->offset;
1.30 kristaps 321: rmargin = p->rmargin;
1.338 schwarze 322: n->flags &= ~NODE_ENDED;
1.305 schwarze 323: n->prev_font = p->fonti;
1.29 kristaps 324:
1.97 kristaps 325: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 326: npair.ppair = pair;
1.172 kristaps 327:
328: /*
329: * Keeps only work until the end of a line. If a keep was
330: * invoked in a prior line, revert it to PREKEEP.
331: */
332:
1.338 schwarze 333: if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
1.307 schwarze 334: p->flags &= ~TERMP_KEEP;
335: p->flags |= TERMP_PREKEEP;
1.172 kristaps 336: }
1.197 schwarze 337:
338: /*
1.217 schwarze 339: * After the keep flags have been set up, we may now
340: * produce output. Note that some pre-handlers do so.
341: */
342:
343: switch (n->type) {
1.314 schwarze 344: case ROFFT_TEXT:
1.357 schwarze 345: if (*n->string == ' ' && n->flags & NODE_LINE &&
346: (p->flags & TERMP_NONEWLINE) == 0)
1.217 schwarze 347: term_newln(p);
1.338 schwarze 348: if (NODE_DELIMC & n->flags)
1.222 kristaps 349: p->flags |= TERMP_NOSPACE;
1.217 schwarze 350: term_word(p, n->string);
1.338 schwarze 351: if (NODE_DELIMO & n->flags)
1.222 kristaps 352: p->flags |= TERMP_NOSPACE;
1.217 schwarze 353: break;
1.314 schwarze 354: case ROFFT_EQN:
1.338 schwarze 355: if ( ! (n->flags & NODE_LINE))
1.284 schwarze 356: p->flags |= TERMP_NOSPACE;
1.233 kristaps 357: term_eqn(p, n->eqn);
1.338 schwarze 358: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.285 schwarze 359: p->flags |= TERMP_NOSPACE;
1.217 schwarze 360: break;
1.314 schwarze 361: case ROFFT_TBL:
1.313 schwarze 362: if (p->tbl.cols == NULL)
363: term_newln(p);
1.217 schwarze 364: term_tbl(p, n->span);
365: break;
366: default:
1.351 schwarze 367: if (n->tok < ROFF_MAX) {
1.352 schwarze 368: roff_term_pre(p, n);
1.354 schwarze 369: return;
1.351 schwarze 370: }
371: assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
1.350 schwarze 372: if (termacts[n->tok].pre != NULL &&
1.331 schwarze 373: (n->end == ENDBODY_NOT || n->child != NULL))
1.217 schwarze 374: chld = (*termacts[n->tok].pre)
1.245 schwarze 375: (p, &npair, meta, n);
1.217 schwarze 376: break;
377: }
378:
1.86 kristaps 379: if (chld && n->child)
1.245 schwarze 380: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 381:
1.244 schwarze 382: term_fontpopq(p,
1.310 schwarze 383: (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.46 kristaps 384:
1.206 kristaps 385: switch (n->type) {
1.314 schwarze 386: case ROFFT_TEXT:
1.206 kristaps 387: break;
1.314 schwarze 388: case ROFFT_TBL:
1.216 kristaps 389: break;
1.314 schwarze 390: case ROFFT_EQN:
1.206 kristaps 391: break;
392: default:
1.354 schwarze 393: if (termacts[n->tok].post == NULL || n->flags & NODE_ENDED)
1.206 kristaps 394: break;
1.245 schwarze 395: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162 schwarze 396:
397: /*
398: * Explicit end tokens not only call the post
399: * handler, but also tell the respective block
400: * that it must not call the post handler again.
401: */
1.165 kristaps 402: if (ENDBODY_NOT != n->end)
1.338 schwarze 403: n->body->flags |= NODE_ENDED;
1.206 kristaps 404: break;
1.162 schwarze 405: }
1.121 kristaps 406:
1.338 schwarze 407: if (NODE_EOS & n->flags)
1.121 kristaps 408: p->flags |= TERMP_SENTENCE;
1.29 kristaps 409:
1.354 schwarze 410: p->offset = offset;
411: p->rmargin = rmargin;
1.1 kristaps 412: }
413:
1.3 kristaps 414: static void
1.316 schwarze 415: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 416: {
1.292 schwarze 417: size_t sz;
1.144 kristaps 418:
1.102 kristaps 419: term_fontrepl(p, TERMFONT_NONE);
1.101 kristaps 420:
1.264 schwarze 421: /*
1.9 kristaps 422: * Output the footer in new-groff style, that is, three columns
423: * with the middle being the manual date and flanking columns
424: * being the operating system:
425: *
426: * SYSTEM DATE SYSTEM
427: */
428:
1.1 kristaps 429: term_vspace(p);
430:
1.9 kristaps 431: p->offset = 0;
1.292 schwarze 432: sz = term_strlen(p, meta->date);
433: p->rmargin = p->maxrmargin > sz ?
434: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.250 schwarze 435: p->trailspace = 1;
1.1 kristaps 436: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
437:
1.245 schwarze 438: term_word(p, meta->os);
1.1 kristaps 439: term_flushln(p);
440:
1.9 kristaps 441: p->offset = p->rmargin;
1.292 schwarze 442: sz = term_strlen(p, meta->os);
443: p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.234 schwarze 444: p->flags |= TERMP_NOSPACE;
1.9 kristaps 445:
1.245 schwarze 446: term_word(p, meta->date);
1.9 kristaps 447: term_flushln(p);
448:
1.1 kristaps 449: p->offset = p->rmargin;
450: p->rmargin = p->maxrmargin;
1.250 schwarze 451: p->trailspace = 0;
1.1 kristaps 452: p->flags &= ~TERMP_NOBREAK;
1.234 schwarze 453: p->flags |= TERMP_NOSPACE;
1.1 kristaps 454:
1.245 schwarze 455: term_word(p, meta->os);
1.1 kristaps 456: term_flushln(p);
457:
1.9 kristaps 458: p->offset = 0;
459: p->rmargin = p->maxrmargin;
460: p->flags = 0;
1.1 kristaps 461: }
462:
1.3 kristaps 463: static void
1.316 schwarze 464: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 465: {
1.267 schwarze 466: char *volume, *title;
467: size_t vollen, titlen;
1.1 kristaps 468:
469: /*
470: * The header is strange. It has three components, which are
471: * really two with the first duplicated. It goes like this:
472: *
473: * IDENTIFIER TITLE IDENTIFIER
474: *
475: * The IDENTIFIER is NAME(SECTION), which is the command-name
476: * (if given, or "unknown" if not) followed by the manual page
477: * section. These are given in `Dt'. The TITLE is a free-form
478: * string depending on the manual volume. If not specified, it
479: * switches on the manual section.
480: */
1.235 schwarze 481:
1.245 schwarze 482: assert(meta->vol);
1.267 schwarze 483: if (NULL == meta->arch)
484: volume = mandoc_strdup(meta->vol);
485: else
486: mandoc_asprintf(&volume, "%s (%s)",
487: meta->vol, meta->arch);
488: vollen = term_strlen(p, volume);
1.1 kristaps 489:
1.275 schwarze 490: if (NULL == meta->msec)
491: title = mandoc_strdup(meta->title);
492: else
493: mandoc_asprintf(&title, "%s(%s)",
494: meta->title, meta->msec);
1.235 schwarze 495: titlen = term_strlen(p, title);
1.1 kristaps 496:
1.235 schwarze 497: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250 schwarze 498: p->trailspace = 1;
1.1 kristaps 499: p->offset = 0;
1.267 schwarze 500: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
501: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.292 schwarze 502: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 503:
504: term_word(p, title);
505: term_flushln(p);
506:
1.235 schwarze 507: p->flags |= TERMP_NOSPACE;
1.1 kristaps 508: p->offset = p->rmargin;
1.267 schwarze 509: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235 schwarze 510: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 511:
1.267 schwarze 512: term_word(p, volume);
1.1 kristaps 513: term_flushln(p);
514:
515: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 516: p->trailspace = 0;
1.235 schwarze 517: if (p->rmargin + titlen <= p->maxrmargin) {
518: p->flags |= TERMP_NOSPACE;
519: p->offset = p->rmargin;
520: p->rmargin = p->maxrmargin;
521: term_word(p, title);
522: term_flushln(p);
523: }
1.1 kristaps 524:
1.235 schwarze 525: p->flags &= ~TERMP_NOSPACE;
1.9 kristaps 526: p->offset = 0;
1.1 kristaps 527: p->rmargin = p->maxrmargin;
1.266 schwarze 528: free(title);
1.267 schwarze 529: free(volume);
1.1 kristaps 530: }
531:
1.302 schwarze 532: static int
1.157 kristaps 533: a2width(const struct termp *p, const char *v)
1.91 kristaps 534: {
1.92 kristaps 535: struct roffsu su;
1.1 kristaps 536:
1.300 schwarze 537: if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.157 kristaps 538: SCALE_HS_INIT(&su, term_strlen(p, v));
1.283 schwarze 539: su.scale /= term_strlen(p, "0");
1.302 schwarze 540: }
1.328 schwarze 541: return term_hspan(p, &su) / 24;
1.1 kristaps 542: }
543:
1.108 kristaps 544: /*
545: * Determine how much space to print out before block elements of `It'
546: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
547: * too.
548: */
1.54 kristaps 549: static void
1.264 schwarze 550: print_bvspace(struct termp *p,
1.315 schwarze 551: const struct roff_node *bl,
552: const struct roff_node *n)
1.1 kristaps 553: {
1.315 schwarze 554: const struct roff_node *nn;
1.236 schwarze 555:
556: assert(n);
1.1 kristaps 557:
558: term_newln(p);
1.150 kristaps 559:
1.202 kristaps 560: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150 kristaps 561: return;
1.202 kristaps 562: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54 kristaps 563: return;
564:
1.85 kristaps 565: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 566:
1.289 schwarze 567: nn = n;
1.337 schwarze 568: while (nn->prev != NULL && nn->prev->flags & NODE_NOPRT)
569: nn = nn->prev;
1.289 schwarze 570: while (nn->prev == NULL) {
571: do {
572: nn = nn->parent;
1.314 schwarze 573: if (nn->type == ROFFT_ROOT)
1.289 schwarze 574: return;
1.314 schwarze 575: } while (nn->type != ROFFT_BLOCK);
1.289 schwarze 576: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.54 kristaps 577: return;
1.289 schwarze 578: if (nn->tok == MDOC_It &&
579: nn->parent->parent->norm->Bl.type != LIST_item)
580: break;
1.1 kristaps 581: }
582:
1.85 kristaps 583: /* A `-column' does not assert vspace within the list. */
1.54 kristaps 584:
1.202 kristaps 585: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86 kristaps 586: if (n->prev && MDOC_It == n->prev->tok)
1.54 kristaps 587: return;
588:
1.85 kristaps 589: /* A `-diag' without body does not vspace. */
590:
1.202 kristaps 591: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86 kristaps 592: if (n->prev && MDOC_It == n->prev->tok) {
593: assert(n->prev->body);
594: if (NULL == n->prev->body->child)
1.55 kristaps 595: return;
596: }
597:
1.54 kristaps 598: term_vspace(p);
1.260 schwarze 599: }
600:
1.1 kristaps 601:
602: static int
603: termp_it_pre(DECL_ARGS)
604: {
1.345 schwarze 605: struct roffsu su;
1.302 schwarze 606: char buf[24];
1.315 schwarze 607: const struct roff_node *bl, *nn;
1.302 schwarze 608: size_t ncols, dcol;
609: int i, offset, width;
1.126 kristaps 610: enum mdoc_list type;
1.1 kristaps 611:
1.314 schwarze 612: if (n->type == ROFFT_BLOCK) {
1.151 kristaps 613: print_bvspace(p, n->parent->parent, n);
1.328 schwarze 614: return 1;
1.54 kristaps 615: }
1.1 kristaps 616:
1.86 kristaps 617: bl = n->parent->parent->parent;
1.202 kristaps 618: type = bl->norm->Bl.type;
1.1 kristaps 619:
1.264 schwarze 620: /*
1.302 schwarze 621: * Defaults for specific list types.
622: */
623:
624: switch (type) {
625: case LIST_bullet:
626: case LIST_dash:
627: case LIST_hyphen:
628: case LIST_enum:
629: width = term_len(p, 2);
630: break;
631: case LIST_hang:
1.332 schwarze 632: case LIST_tag:
1.302 schwarze 633: width = term_len(p, 8);
634: break;
635: case LIST_column:
636: width = term_len(p, 10);
637: break;
638: default:
639: width = 0;
640: break;
641: }
642: offset = 0;
643:
644: /*
1.108 kristaps 645: * First calculate width and offset. This is pretty easy unless
646: * we're a -column list, in which case all prior columns must
647: * be accounted for.
648: */
649:
1.302 schwarze 650: if (bl->norm->Bl.offs != NULL) {
1.288 schwarze 651: offset = a2width(p, bl->norm->Bl.offs);
1.302 schwarze 652: if (offset < 0 && (size_t)(-offset) > p->offset)
653: offset = -p->offset;
654: else if (offset > SHRT_MAX)
655: offset = 0;
656: }
1.152 kristaps 657:
1.1 kristaps 658: switch (type) {
1.264 schwarze 659: case LIST_column:
1.314 schwarze 660: if (n->type == ROFFT_HEAD)
1.1 kristaps 661: break;
1.155 kristaps 662:
1.105 kristaps 663: /*
1.108 kristaps 664: * Imitate groff's column handling:
665: * - For each earlier column, add its width.
666: * - For less than 5 columns, add four more blanks per
667: * column.
668: * - For exactly 5 columns, add three more blank per
669: * column.
670: * - For more than 5 columns, add only one column.
1.105 kristaps 671: */
1.202 kristaps 672: ncols = bl->norm->Bl.ncols;
1.264 schwarze 673: dcol = ncols < 5 ? term_len(p, 4) :
674: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108 kristaps 675:
1.134 kristaps 676: /*
1.314 schwarze 677: * Calculate the offset by applying all prior ROFFT_BODY,
678: * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.134 kristaps 679: */
680:
1.264 schwarze 681: for (i = 0, nn = n->prev;
682: nn->prev && i < (int)ncols;
1.345 schwarze 683: nn = nn->prev, i++) {
684: SCALE_HS_INIT(&su,
685: term_strlen(p, bl->norm->Bl.cols[i]));
686: su.scale /= term_strlen(p, "0");
687: offset += term_hspan(p, &su) / 24 + dcol;
688: }
1.105 kristaps 689:
690: /*
1.108 kristaps 691: * When exceeding the declared number of columns, leave
692: * the remaining widths at 0. This will later be
693: * adjusted to the default width of 10, or, for the last
694: * column, stretched to the right margin.
1.58 kristaps 695: */
1.108 kristaps 696: if (i >= (int)ncols)
697: break;
1.58 kristaps 698:
1.105 kristaps 699: /*
1.108 kristaps 700: * Use the declared column widths, extended as explained
701: * in the preceding paragraph.
1.105 kristaps 702: */
1.345 schwarze 703: SCALE_HS_INIT(&su, term_strlen(p, bl->norm->Bl.cols[i]));
704: su.scale /= term_strlen(p, "0");
705: width = term_hspan(p, &su) / 24 + dcol;
1.1 kristaps 706: break;
707: default:
1.202 kristaps 708: if (NULL == bl->norm->Bl.width)
1.108 kristaps 709: break;
710:
1.264 schwarze 711: /*
1.108 kristaps 712: * Note: buffer the width by 2, which is groff's magic
713: * number for buffering single arguments. See the above
714: * handling for column for how this changes.
715: */
1.202 kristaps 716: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.302 schwarze 717: if (width < 0 && (size_t)(-width) > p->offset)
718: width = -p->offset;
719: else if (width > SHRT_MAX)
720: width = 0;
1.1 kristaps 721: break;
722: }
723:
1.264 schwarze 724: /*
1.17 kristaps 725: * Whitespace control. Inset bodies need an initial space,
726: * while diagonal bodies need two.
1.1 kristaps 727: */
728:
1.51 kristaps 729: p->flags |= TERMP_NOSPACE;
730:
1.1 kristaps 731: switch (type) {
1.264 schwarze 732: case LIST_diag:
1.314 schwarze 733: if (n->type == ROFFT_BODY)
1.62 kristaps 734: term_word(p, "\\ \\ ");
1.51 kristaps 735: break;
1.264 schwarze 736: case LIST_inset:
1.331 schwarze 737: if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.51 kristaps 738: term_word(p, "\\ ");
1.1 kristaps 739: break;
740: default:
741: break;
742: }
743:
1.51 kristaps 744: p->flags |= TERMP_NOSPACE;
745:
1.1 kristaps 746: switch (type) {
1.264 schwarze 747: case LIST_diag:
1.314 schwarze 748: if (n->type == ROFFT_HEAD)
1.102 kristaps 749: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 750: break;
751: default:
752: break;
753: }
754:
755: /*
1.109 kristaps 756: * Pad and break control. This is the tricky part. These flags
757: * are documented in term_flushln() in term.c. Note that we're
758: * going to unset all of these flags in termp_it_post() when we
759: * exit.
1.1 kristaps 760: */
761:
762: switch (type) {
1.264 schwarze 763: case LIST_enum:
1.329 schwarze 764: case LIST_bullet:
765: case LIST_dash:
766: case LIST_hyphen:
1.242 schwarze 767: /*
768: * Weird special case.
1.302 schwarze 769: * Some very narrow lists actually hang.
1.242 schwarze 770: */
1.302 schwarze 771: if (width <= (int)term_len(p, 2))
772: p->flags |= TERMP_HANG;
1.314 schwarze 773: if (n->type != ROFFT_HEAD)
1.250 schwarze 774: break;
775: p->flags |= TERMP_NOBREAK;
776: p->trailspace = 1;
1.39 kristaps 777: break;
1.264 schwarze 778: case LIST_hang:
1.314 schwarze 779: if (n->type != ROFFT_HEAD)
1.59 kristaps 780: break;
781:
782: /*
783: * This is ugly. If `-hang' is specified and the body
784: * is a `Bl' or `Bd', then we want basically to nullify
785: * the "overstep" effect in term_flushln() and treat
786: * this as a `-ohang' list instead.
787: */
1.279 schwarze 788: if (NULL != n->next &&
1.278 schwarze 789: NULL != n->next->child &&
790: (MDOC_Bl == n->next->child->tok ||
791: MDOC_Bd == n->next->child->tok))
1.250 schwarze 792: break;
793:
1.263 schwarze 794: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250 schwarze 795: p->trailspace = 1;
1.39 kristaps 796: break;
1.264 schwarze 797: case LIST_tag:
1.314 schwarze 798: if (n->type != ROFFT_HEAD)
1.39 kristaps 799: break;
1.250 schwarze 800:
1.326 schwarze 801: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.250 schwarze 802: p->trailspace = 2;
803:
1.86 kristaps 804: if (NULL == n->next || NULL == n->next->child)
1.39 kristaps 805: p->flags |= TERMP_DANGLE;
1.1 kristaps 806: break;
1.264 schwarze 807: case LIST_column:
1.314 schwarze 808: if (n->type == ROFFT_HEAD)
1.134 kristaps 809: break;
810:
1.250 schwarze 811: if (NULL == n->next) {
1.134 kristaps 812: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 813: p->trailspace = 0;
814: } else {
1.134 kristaps 815: p->flags |= TERMP_NOBREAK;
1.250 schwarze 816: p->trailspace = 1;
817: }
1.134 kristaps 818:
1.1 kristaps 819: break;
1.264 schwarze 820: case LIST_diag:
1.314 schwarze 821: if (n->type != ROFFT_HEAD)
1.250 schwarze 822: break;
1.263 schwarze 823: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 824: p->trailspace = 1;
1.1 kristaps 825: break;
826: default:
827: break;
828: }
829:
1.264 schwarze 830: /*
1.1 kristaps 831: * Margin control. Set-head-width lists have their right
832: * margins shortened. The body for these lists has the offset
833: * necessarily lengthened. Everybody gets the offset.
834: */
835:
836: p->offset += offset;
837:
838: switch (type) {
1.264 schwarze 839: case LIST_hang:
1.59 kristaps 840: /*
841: * Same stipulation as above, regarding `-hang'. We
842: * don't want to recalculate rmargin and offsets when
843: * using `Bd' or `Bl' within `-hang' overstep lists.
844: */
1.314 schwarze 845: if (n->type == ROFFT_HEAD &&
1.279 schwarze 846: NULL != n->next &&
1.278 schwarze 847: NULL != n->next->child &&
848: (MDOC_Bl == n->next->child->tok ||
849: MDOC_Bd == n->next->child->tok))
1.59 kristaps 850: break;
851: /* FALLTHROUGH */
1.264 schwarze 852: case LIST_bullet:
853: case LIST_dash:
854: case LIST_enum:
855: case LIST_hyphen:
856: case LIST_tag:
1.314 schwarze 857: if (n->type == ROFFT_HEAD)
1.1 kristaps 858: p->rmargin = p->offset + width;
1.292 schwarze 859: else
1.1 kristaps 860: p->offset += width;
861: break;
1.264 schwarze 862: case LIST_column:
1.49 kristaps 863: assert(width);
1.1 kristaps 864: p->rmargin = p->offset + width;
1.264 schwarze 865: /*
1.50 kristaps 866: * XXX - this behaviour is not documented: the
867: * right-most column is filled to the right margin.
868: */
1.314 schwarze 869: if (n->type == ROFFT_HEAD)
1.134 kristaps 870: break;
871: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50 kristaps 872: p->rmargin = p->maxrmargin;
1.1 kristaps 873: break;
874: default:
875: break;
876: }
877:
1.264 schwarze 878: /*
1.1 kristaps 879: * The dash, hyphen, bullet and enum lists all have a special
1.264 schwarze 880: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 881: */
882:
1.314 schwarze 883: if (n->type == ROFFT_HEAD)
1.1 kristaps 884: switch (type) {
1.264 schwarze 885: case LIST_bullet:
1.102 kristaps 886: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 887: term_word(p, "\\[bu]");
1.102 kristaps 888: term_fontpop(p);
1.1 kristaps 889: break;
1.264 schwarze 890: case LIST_dash:
891: case LIST_hyphen:
1.102 kristaps 892: term_fontpush(p, TERMFONT_BOLD);
1.330 schwarze 893: term_word(p, "-");
1.102 kristaps 894: term_fontpop(p);
1.1 kristaps 895: break;
1.264 schwarze 896: case LIST_enum:
1.1 kristaps 897: (pair->ppair->ppair->count)++;
1.265 schwarze 898: (void)snprintf(buf, sizeof(buf), "%d.",
1.264 schwarze 899: pair->ppair->ppair->count);
1.1 kristaps 900: term_word(p, buf);
901: break;
902: default:
903: break;
904: }
905:
1.264 schwarze 906: /*
1.1 kristaps 907: * If we're not going to process our children, indicate so here.
908: */
909:
910: switch (type) {
1.264 schwarze 911: case LIST_bullet:
912: case LIST_item:
913: case LIST_dash:
914: case LIST_hyphen:
915: case LIST_enum:
1.314 schwarze 916: if (n->type == ROFFT_HEAD)
1.328 schwarze 917: return 0;
1.1 kristaps 918: break;
1.264 schwarze 919: case LIST_column:
1.314 schwarze 920: if (n->type == ROFFT_HEAD)
1.328 schwarze 921: return 0;
1.1 kristaps 922: break;
923: default:
924: break;
925: }
926:
1.328 schwarze 927: return 1;
1.1 kristaps 928: }
929:
930: static void
931: termp_it_post(DECL_ARGS)
932: {
1.126 kristaps 933: enum mdoc_list type;
1.1 kristaps 934:
1.314 schwarze 935: if (n->type == ROFFT_BLOCK)
1.1 kristaps 936: return;
937:
1.202 kristaps 938: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 939:
940: switch (type) {
1.264 schwarze 941: case LIST_item:
942: case LIST_diag:
943: case LIST_inset:
1.314 schwarze 944: if (n->type == ROFFT_BODY)
1.130 schwarze 945: term_newln(p);
1.1 kristaps 946: break;
1.264 schwarze 947: case LIST_column:
1.314 schwarze 948: if (n->type == ROFFT_BODY)
1.1 kristaps 949: term_flushln(p);
950: break;
951: default:
1.130 schwarze 952: term_newln(p);
1.1 kristaps 953: break;
954: }
955:
1.264 schwarze 956: /*
1.109 kristaps 957: * Now that our output is flushed, we can reset our tags. Since
958: * only `It' sets these flags, we're free to assume that nobody
959: * has munged them in the meanwhile.
960: */
961:
1.326 schwarze 962: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND |
1.263 schwarze 963: TERMP_DANGLE | TERMP_HANG);
1.250 schwarze 964: p->trailspace = 0;
1.1 kristaps 965: }
966:
967: static int
968: termp_nm_pre(DECL_ARGS)
969: {
1.296 schwarze 970: const char *cp;
1.1 kristaps 971:
1.314 schwarze 972: if (n->type == ROFFT_BLOCK) {
1.253 schwarze 973: p->flags |= TERMP_PREKEEP;
1.328 schwarze 974: return 1;
1.253 schwarze 975: }
1.164 schwarze 976:
1.314 schwarze 977: if (n->type == ROFFT_BODY) {
1.164 schwarze 978: if (NULL == n->child)
1.328 schwarze 979: return 0;
1.234 schwarze 980: p->flags |= TERMP_NOSPACE;
1.296 schwarze 981: cp = NULL;
982: if (n->prev->child != NULL)
983: cp = n->prev->child->string;
984: if (cp == NULL)
985: cp = meta->name;
986: if (cp == NULL)
987: p->offset += term_len(p, 6);
988: else
989: p->offset += term_len(p, 1) + term_strlen(p, cp);
1.328 schwarze 990: return 1;
1.164 schwarze 991: }
992:
1.343 schwarze 993: if (n->child == NULL)
1.328 schwarze 994: return 0;
1.125 kristaps 995:
1.314 schwarze 996: if (n->type == ROFFT_HEAD)
1.177 schwarze 997: synopsis_pre(p, n->parent);
1.102 kristaps 998:
1.314 schwarze 999: if (n->type == ROFFT_HEAD &&
1.278 schwarze 1000: NULL != n->next && NULL != n->next->child) {
1.263 schwarze 1001: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 1002: p->trailspace = 1;
1.185 schwarze 1003: p->rmargin = p->offset + term_len(p, 1);
1004: if (NULL == n->child) {
1.245 schwarze 1005: p->rmargin += term_strlen(p, meta->name);
1.314 schwarze 1006: } else if (n->child->type == ROFFT_TEXT) {
1.185 schwarze 1007: p->rmargin += term_strlen(p, n->child->string);
1008: if (n->child->next)
1009: p->flags |= TERMP_HANG;
1010: } else {
1011: p->rmargin += term_len(p, 5);
1012: p->flags |= TERMP_HANG;
1013: }
1.164 schwarze 1014: }
1015:
1.102 kristaps 1016: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1017: return 1;
1.1 kristaps 1018: }
1019:
1.164 schwarze 1020: static void
1021: termp_nm_post(DECL_ARGS)
1022: {
1023:
1.314 schwarze 1024: if (n->type == ROFFT_BLOCK) {
1.253 schwarze 1025: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.314 schwarze 1026: } else if (n->type == ROFFT_HEAD &&
1.278 schwarze 1027: NULL != n->next && NULL != n->next->child) {
1.164 schwarze 1028: term_flushln(p);
1.263 schwarze 1029: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 1030: p->trailspace = 0;
1.314 schwarze 1031: } else if (n->type == ROFFT_BODY && n->child != NULL)
1.164 schwarze 1032: term_flushln(p);
1033: }
1034:
1.1 kristaps 1035: static int
1036: termp_fl_pre(DECL_ARGS)
1037: {
1038:
1.320 schwarze 1039: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1040: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1041: term_word(p, "\\-");
1.103 kristaps 1042:
1.331 schwarze 1043: if (!(n->child == NULL &&
1.280 schwarze 1044: (n->next == NULL ||
1.314 schwarze 1045: n->next->type == ROFFT_TEXT ||
1.338 schwarze 1046: n->next->flags & NODE_LINE)))
1.103 kristaps 1047: p->flags |= TERMP_NOSPACE;
1048:
1.328 schwarze 1049: return 1;
1.1 kristaps 1050: }
1051:
1052: static int
1.184 kristaps 1053: termp__a_pre(DECL_ARGS)
1054: {
1055:
1056: if (n->prev && MDOC__A == n->prev->tok)
1057: if (NULL == n->next || MDOC__A != n->next->tok)
1058: term_word(p, "and");
1059:
1.328 schwarze 1060: return 1;
1.184 kristaps 1061: }
1062:
1063: static int
1.61 kristaps 1064: termp_an_pre(DECL_ARGS)
1065: {
1066:
1.282 schwarze 1067: if (n->norm->An.auth == AUTH_split) {
1068: p->flags &= ~TERMP_NOSPLIT;
1069: p->flags |= TERMP_SPLIT;
1.328 schwarze 1070: return 0;
1.282 schwarze 1071: }
1072: if (n->norm->An.auth == AUTH_nosplit) {
1073: p->flags &= ~TERMP_SPLIT;
1074: p->flags |= TERMP_NOSPLIT;
1.328 schwarze 1075: return 0;
1.282 schwarze 1076: }
1.264 schwarze 1077:
1.282 schwarze 1078: if (p->flags & TERMP_SPLIT)
1.61 kristaps 1079: term_newln(p);
1080:
1.282 schwarze 1081: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1082: p->flags |= TERMP_SPLIT;
1.61 kristaps 1083:
1.328 schwarze 1084: return 1;
1.61 kristaps 1085: }
1086:
1087: static int
1.1 kristaps 1088: termp_ns_pre(DECL_ARGS)
1089: {
1090:
1.338 schwarze 1091: if ( ! (NODE_LINE & n->flags))
1.215 kristaps 1092: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1093: return 1;
1.1 kristaps 1094: }
1095:
1096: static int
1097: termp_rs_pre(DECL_ARGS)
1098: {
1099:
1.86 kristaps 1100: if (SEC_SEE_ALSO != n->sec)
1.328 schwarze 1101: return 1;
1.314 schwarze 1102: if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1 kristaps 1103: term_vspace(p);
1.328 schwarze 1104: return 1;
1.1 kristaps 1105: }
1106:
1107: static int
1108: termp_ex_pre(DECL_ARGS)
1109: {
1.224 kristaps 1110: term_newln(p);
1.341 schwarze 1111: return 1;
1.1 kristaps 1112: }
1113:
1114: static int
1115: termp_nd_pre(DECL_ARGS)
1116: {
1.25 kristaps 1117:
1.314 schwarze 1118: if (n->type == ROFFT_BODY)
1.297 schwarze 1119: term_word(p, "\\(en");
1.328 schwarze 1120: return 1;
1.115 kristaps 1121: }
1122:
1123: static int
1124: termp_bl_pre(DECL_ARGS)
1125: {
1126:
1.328 schwarze 1127: return n->type != ROFFT_HEAD;
1.1 kristaps 1128: }
1129:
1130: static void
1131: termp_bl_post(DECL_ARGS)
1132: {
1133:
1.356 schwarze 1134: if (n->type != ROFFT_BLOCK)
1135: return;
1136: term_newln(p);
1137: if (n->tok != MDOC_Bl || n->norm->Bl.type != LIST_column)
1138: return;
1139: term_tab_set(p, NULL);
1140: term_tab_set(p, "T");
1141: term_tab_set(p, ".5i");
1.1 kristaps 1142: }
1143:
1144: static int
1145: termp_xr_pre(DECL_ARGS)
1146: {
1147:
1.225 kristaps 1148: if (NULL == (n = n->child))
1.328 schwarze 1149: return 0;
1.113 kristaps 1150:
1.314 schwarze 1151: assert(n->type == ROFFT_TEXT);
1.225 kristaps 1152: term_word(p, n->string);
1.11 kristaps 1153:
1.264 schwarze 1154: if (NULL == (n = n->next))
1.328 schwarze 1155: return 0;
1.225 kristaps 1156:
1.1 kristaps 1157: p->flags |= TERMP_NOSPACE;
1158: term_word(p, "(");
1.222 kristaps 1159: p->flags |= TERMP_NOSPACE;
1.225 kristaps 1160:
1.314 schwarze 1161: assert(n->type == ROFFT_TEXT);
1.225 kristaps 1162: term_word(p, n->string);
1163:
1.222 kristaps 1164: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1165: term_word(p, ")");
1.86 kristaps 1166:
1.328 schwarze 1167: return 0;
1.1 kristaps 1168: }
1169:
1.143 kristaps 1170: /*
1171: * This decides how to assert whitespace before any of the SYNOPSIS set
1172: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1173: * macro combos).
1174: */
1175: static void
1.315 schwarze 1176: synopsis_pre(struct termp *p, const struct roff_node *n)
1.143 kristaps 1177: {
1.264 schwarze 1178: /*
1.143 kristaps 1179: * Obviously, if we're not in a SYNOPSIS or no prior macros
1180: * exist, do nothing.
1181: */
1.338 schwarze 1182: if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.143 kristaps 1183: return;
1184:
1185: /*
1186: * If we're the second in a pair of like elements, emit our
1187: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1188: * case we soldier on.
1189: */
1.264 schwarze 1190: if (n->prev->tok == n->tok &&
1191: MDOC_Ft != n->tok &&
1192: MDOC_Fo != n->tok &&
1193: MDOC_Fn != n->tok) {
1.143 kristaps 1194: term_newln(p);
1195: return;
1196: }
1197:
1198: /*
1199: * If we're one of the SYNOPSIS set and non-like pair-wise after
1200: * another (or Fn/Fo, which we've let slip through) then assert
1201: * vertical space, else only newline and move on.
1202: */
1203: switch (n->prev->tok) {
1.264 schwarze 1204: case MDOC_Fd:
1205: case MDOC_Fn:
1206: case MDOC_Fo:
1207: case MDOC_In:
1208: case MDOC_Vt:
1.143 kristaps 1209: term_vspace(p);
1210: break;
1.264 schwarze 1211: case MDOC_Ft:
1.143 kristaps 1212: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1213: term_vspace(p);
1214: break;
1215: }
1216: /* FALLTHROUGH */
1217: default:
1218: term_newln(p);
1219: break;
1220: }
1221: }
1222:
1.110 kristaps 1223: static int
1224: termp_vt_pre(DECL_ARGS)
1225: {
1226:
1.314 schwarze 1227: if (n->type == ROFFT_ELEM) {
1.143 kristaps 1228: synopsis_pre(p, n);
1.328 schwarze 1229: return termp_under_pre(p, pair, meta, n);
1.314 schwarze 1230: } else if (n->type == ROFFT_BLOCK) {
1.143 kristaps 1231: synopsis_pre(p, n);
1.328 schwarze 1232: return 1;
1.314 schwarze 1233: } else if (n->type == ROFFT_HEAD)
1.328 schwarze 1234: return 0;
1.110 kristaps 1235:
1.328 schwarze 1236: return termp_under_pre(p, pair, meta, n);
1.110 kristaps 1237: }
1238:
1.1 kristaps 1239: static int
1.69 kristaps 1240: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1241: {
1242:
1.320 schwarze 1243: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1244: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1245: return 1;
1.1 kristaps 1246: }
1247:
1.143 kristaps 1248: static int
1249: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1250: {
1251:
1.143 kristaps 1252: synopsis_pre(p, n);
1.328 schwarze 1253: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1254: }
1255:
1.241 schwarze 1256: static void
1257: termp_fd_post(DECL_ARGS)
1258: {
1259:
1260: term_newln(p);
1261: }
1262:
1.1 kristaps 1263: static int
1264: termp_sh_pre(DECL_ARGS)
1265: {
1.85 kristaps 1266:
1.86 kristaps 1267: switch (n->type) {
1.314 schwarze 1268: case ROFFT_BLOCK:
1.293 schwarze 1269: /*
1270: * Vertical space before sections, except
1271: * when the previous section was empty.
1272: */
1273: if (n->prev == NULL ||
1.322 schwarze 1274: n->prev->tok != MDOC_Sh ||
1.293 schwarze 1275: (n->prev->body != NULL &&
1276: n->prev->body->child != NULL))
1277: term_vspace(p);
1.65 kristaps 1278: break;
1.314 schwarze 1279: case ROFFT_HEAD:
1.102 kristaps 1280: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1281: break;
1.314 schwarze 1282: case ROFFT_BODY:
1.238 schwarze 1283: p->offset = term_len(p, p->defindent);
1.356 schwarze 1284: term_tab_set(p, NULL);
1285: term_tab_set(p, "T");
1286: term_tab_set(p, ".5i");
1.322 schwarze 1287: switch (n->sec) {
1288: case SEC_DESCRIPTION:
1289: fn_prio = 0;
1290: break;
1291: case SEC_AUTHORS:
1.239 schwarze 1292: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.322 schwarze 1293: break;
1294: default:
1295: break;
1296: }
1.1 kristaps 1297: break;
1298: default:
1299: break;
1300: }
1.328 schwarze 1301: return 1;
1.1 kristaps 1302: }
1303:
1304: static void
1305: termp_sh_post(DECL_ARGS)
1306: {
1307:
1.86 kristaps 1308: switch (n->type) {
1.314 schwarze 1309: case ROFFT_HEAD:
1.1 kristaps 1310: term_newln(p);
1311: break;
1.314 schwarze 1312: case ROFFT_BODY:
1.1 kristaps 1313: term_newln(p);
1314: p->offset = 0;
1315: break;
1316: default:
1317: break;
1318: }
1319: }
1320:
1321: static void
1322: termp_lb_post(DECL_ARGS)
1323: {
1324:
1.338 schwarze 1325: if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
1.81 kristaps 1326: term_newln(p);
1.1 kristaps 1327: }
1328:
1329: static int
1330: termp_d1_pre(DECL_ARGS)
1331: {
1332:
1.314 schwarze 1333: if (n->type != ROFFT_BLOCK)
1.328 schwarze 1334: return 1;
1.1 kristaps 1335: term_newln(p);
1.238 schwarze 1336: p->offset += term_len(p, p->defindent + 1);
1.356 schwarze 1337: term_tab_set(p, NULL);
1338: term_tab_set(p, "T");
1339: term_tab_set(p, ".5i");
1.328 schwarze 1340: return 1;
1.1 kristaps 1341: }
1342:
1343: static int
1344: termp_ft_pre(DECL_ARGS)
1345: {
1346:
1.338 schwarze 1347: /* NB: NODE_LINE does not effect this! */
1.143 kristaps 1348: synopsis_pre(p, n);
1.102 kristaps 1349: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 1350: return 1;
1.1 kristaps 1351: }
1352:
1353: static int
1354: termp_fn_pre(DECL_ARGS)
1355: {
1.257 schwarze 1356: size_t rmargin = 0;
1.226 kristaps 1357: int pretty;
1358:
1.338 schwarze 1359: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1360:
1.143 kristaps 1361: synopsis_pre(p, n);
1.139 kristaps 1362:
1.226 kristaps 1363: if (NULL == (n = n->child))
1.328 schwarze 1364: return 0;
1.226 kristaps 1365:
1.251 schwarze 1366: if (pretty) {
1367: rmargin = p->rmargin;
1.257 schwarze 1368: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 1369: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251 schwarze 1370: }
1371:
1.314 schwarze 1372: assert(n->type == ROFFT_TEXT);
1.102 kristaps 1373: term_fontpush(p, TERMFONT_BOLD);
1.226 kristaps 1374: term_word(p, n->string);
1.102 kristaps 1375: term_fontpop(p);
1.1 kristaps 1376:
1.336 schwarze 1377: if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.324 schwarze 1378: tag_put(n->string, ++fn_prio, p->line);
1.322 schwarze 1379:
1.251 schwarze 1380: if (pretty) {
1381: term_flushln(p);
1.263 schwarze 1382: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251 schwarze 1383: p->offset = p->rmargin;
1384: p->rmargin = rmargin;
1385: }
1386:
1.1 kristaps 1387: p->flags |= TERMP_NOSPACE;
1388: term_word(p, "(");
1.222 kristaps 1389: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1390:
1.226 kristaps 1391: for (n = n->next; n; n = n->next) {
1.314 schwarze 1392: assert(n->type == ROFFT_TEXT);
1.102 kristaps 1393: term_fontpush(p, TERMFONT_UNDER);
1.255 schwarze 1394: if (pretty)
1395: p->flags |= TERMP_NBRWORD;
1.226 kristaps 1396: term_word(p, n->string);
1.102 kristaps 1397: term_fontpop(p);
1398:
1.226 kristaps 1399: if (n->next) {
1.222 kristaps 1400: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1401: term_word(p, ",");
1.222 kristaps 1402: }
1.1 kristaps 1403: }
1404:
1.222 kristaps 1405: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1406: term_word(p, ")");
1407:
1.226 kristaps 1408: if (pretty) {
1.222 kristaps 1409: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1410: term_word(p, ";");
1.251 schwarze 1411: term_flushln(p);
1.222 kristaps 1412: }
1.1 kristaps 1413:
1.328 schwarze 1414: return 0;
1.1 kristaps 1415: }
1416:
1417: static int
1418: termp_fa_pre(DECL_ARGS)
1419: {
1.315 schwarze 1420: const struct roff_node *nn;
1.1 kristaps 1421:
1.86 kristaps 1422: if (n->parent->tok != MDOC_Fo) {
1.102 kristaps 1423: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 1424: return 1;
1.1 kristaps 1425: }
1426:
1.86 kristaps 1427: for (nn = n->child; nn; nn = nn->next) {
1.102 kristaps 1428: term_fontpush(p, TERMFONT_UNDER);
1.258 schwarze 1429: p->flags |= TERMP_NBRWORD;
1.86 kristaps 1430: term_word(p, nn->string);
1.102 kristaps 1431: term_fontpop(p);
1432:
1.256 schwarze 1433: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222 kristaps 1434: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1435: term_word(p, ",");
1.222 kristaps 1436: }
1.1 kristaps 1437: }
1438:
1.328 schwarze 1439: return 0;
1.1 kristaps 1440: }
1441:
1442: static int
1443: termp_bd_pre(DECL_ARGS)
1444: {
1.356 schwarze 1445: size_t lm, len, rm, rmax;
1.315 schwarze 1446: struct roff_node *nn;
1.302 schwarze 1447: int offset;
1.1 kristaps 1448:
1.314 schwarze 1449: if (n->type == ROFFT_BLOCK) {
1.151 kristaps 1450: print_bvspace(p, n, n);
1.328 schwarze 1451: return 1;
1.314 schwarze 1452: } else if (n->type == ROFFT_HEAD)
1.328 schwarze 1453: return 0;
1.1 kristaps 1454:
1.288 schwarze 1455: /* Handle the -offset argument. */
1456:
1457: if (n->norm->Bd.offs == NULL ||
1458: ! strcmp(n->norm->Bd.offs, "left"))
1459: /* nothing */;
1460: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1461: p->offset += term_len(p, p->defindent + 1);
1462: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1463: p->offset += term_len(p, (p->defindent + 1) * 2);
1.302 schwarze 1464: else {
1465: offset = a2width(p, n->norm->Bd.offs);
1466: if (offset < 0 && (size_t)(-offset) > p->offset)
1467: p->offset = 0;
1468: else if (offset < SHRT_MAX)
1469: p->offset += offset;
1470: }
1.85 kristaps 1471:
1472: /*
1473: * If -ragged or -filled are specified, the block does nothing
1474: * but change the indentation. If -unfilled or -literal are
1475: * specified, text is printed exactly as entered in the display:
1476: * for macro lines, a newline is appended to the line. Blank
1477: * lines are allowed.
1478: */
1.264 schwarze 1479:
1480: if (DISP_literal != n->norm->Bd.type &&
1.272 schwarze 1481: DISP_unfilled != n->norm->Bd.type &&
1482: DISP_centered != n->norm->Bd.type)
1.328 schwarze 1483: return 1;
1.1 kristaps 1484:
1.356 schwarze 1485: if (n->norm->Bd.type == DISP_literal) {
1486: term_tab_set(p, NULL);
1487: term_tab_set(p, "T");
1488: term_tab_set(p, "8n");
1489: }
1.208 kristaps 1490:
1.272 schwarze 1491: lm = p->offset;
1.119 kristaps 1492: rm = p->rmargin;
1493: rmax = p->maxrmargin;
1.120 kristaps 1494: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1495:
1.86 kristaps 1496: for (nn = n->child; nn; nn = nn->next) {
1.272 schwarze 1497: if (DISP_centered == n->norm->Bd.type) {
1.314 schwarze 1498: if (nn->type == ROFFT_TEXT) {
1.272 schwarze 1499: len = term_strlen(p, nn->string);
1500: p->offset = len >= rm ? 0 :
1501: lm + len >= rm ? rm - len :
1502: (lm + rm - len) / 2;
1503: } else
1504: p->offset = lm;
1505: }
1.245 schwarze 1506: print_mdoc_node(p, pair, meta, nn);
1.190 kristaps 1507: /*
1508: * If the printed node flushes its own line, then we
1509: * needn't do it here as well. This is hacky, but the
1510: * notion of selective eoln whitespace is pretty dumb
1511: * anyway, so don't sweat it.
1512: */
1.356 schwarze 1513: if (nn->tok < ROFF_MAX)
1514: continue;
1.190 kristaps 1515: switch (nn->tok) {
1.264 schwarze 1516: case MDOC_Sm:
1517: case MDOC_Bl:
1518: case MDOC_D1:
1519: case MDOC_Dl:
1520: case MDOC_Lp:
1521: case MDOC_Pp:
1.190 kristaps 1522: continue;
1523: default:
1524: break;
1525: }
1.299 schwarze 1526: if (p->flags & TERMP_NONEWLINE ||
1.338 schwarze 1527: (nn->next && ! (nn->next->flags & NODE_LINE)))
1.180 schwarze 1528: continue;
1529: term_flushln(p);
1530: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1531: }
1.147 kristaps 1532:
1.119 kristaps 1533: p->rmargin = rm;
1534: p->maxrmargin = rmax;
1.328 schwarze 1535: return 0;
1.1 kristaps 1536: }
1537:
1538: static void
1539: termp_bd_post(DECL_ARGS)
1540: {
1.119 kristaps 1541: size_t rm, rmax;
1.1 kristaps 1542:
1.314 schwarze 1543: if (n->type != ROFFT_BODY)
1.1 kristaps 1544: return;
1.118 kristaps 1545:
1.119 kristaps 1546: rm = p->rmargin;
1547: rmax = p->maxrmargin;
1.118 kristaps 1548:
1.264 schwarze 1549: if (DISP_literal == n->norm->Bd.type ||
1550: DISP_unfilled == n->norm->Bd.type)
1.120 kristaps 1551: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1552:
1.60 kristaps 1553: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1554: term_newln(p);
1.118 kristaps 1555:
1.119 kristaps 1556: p->rmargin = rm;
1557: p->maxrmargin = rmax;
1.1 kristaps 1558: }
1559:
1560: static int
1.26 kristaps 1561: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1562: {
1.339 schwarze 1563: if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
1564: p->flags |= TERMP_PREKEEP;
1565: return 1;
1566: }
1.1 kristaps 1567:
1.339 schwarze 1568: static void
1569: termp_xx_post(DECL_ARGS)
1570: {
1571: if (n->aux == 0)
1572: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1 kristaps 1573: }
1574:
1575: static void
1576: termp_pf_post(DECL_ARGS)
1577: {
1578:
1.338 schwarze 1579: if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.298 schwarze 1580: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1581: }
1582:
1583: static int
1584: termp_ss_pre(DECL_ARGS)
1585: {
1.337 schwarze 1586: struct roff_node *nn;
1.1 kristaps 1587:
1.86 kristaps 1588: switch (n->type) {
1.314 schwarze 1589: case ROFFT_BLOCK:
1.1 kristaps 1590: term_newln(p);
1.337 schwarze 1591: for (nn = n->prev; nn != NULL; nn = nn->prev)
1592: if ((nn->flags & NODE_NOPRT) == 0)
1593: break;
1594: if (nn != NULL)
1.1 kristaps 1595: term_vspace(p);
1596: break;
1.314 schwarze 1597: case ROFFT_HEAD:
1.102 kristaps 1598: term_fontpush(p, TERMFONT_BOLD);
1.238 schwarze 1599: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1600: break;
1.314 schwarze 1601: case ROFFT_BODY:
1.274 schwarze 1602: p->offset = term_len(p, p->defindent);
1.356 schwarze 1603: term_tab_set(p, NULL);
1604: term_tab_set(p, "T");
1605: term_tab_set(p, ".5i");
1.274 schwarze 1606: break;
1.1 kristaps 1607: default:
1608: break;
1609: }
1610:
1.328 schwarze 1611: return 1;
1.1 kristaps 1612: }
1613:
1614: static void
1615: termp_ss_post(DECL_ARGS)
1616: {
1617:
1.314 schwarze 1618: if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1 kristaps 1619: term_newln(p);
1620: }
1621:
1622: static int
1623: termp_cd_pre(DECL_ARGS)
1624: {
1625:
1.143 kristaps 1626: synopsis_pre(p, n);
1.102 kristaps 1627: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1628: return 1;
1.1 kristaps 1629: }
1630:
1631: static int
1632: termp_in_pre(DECL_ARGS)
1633: {
1.142 schwarze 1634:
1.143 kristaps 1635: synopsis_pre(p, n);
1.1 kristaps 1636:
1.338 schwarze 1637: if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
1.138 kristaps 1638: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1639: term_word(p, "#include");
1.138 kristaps 1640: term_word(p, "<");
1641: } else {
1642: term_word(p, "<");
1643: term_fontpush(p, TERMFONT_UNDER);
1644: }
1.22 kristaps 1645:
1.1 kristaps 1646: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1647: return 1;
1.1 kristaps 1648: }
1649:
1650: static void
1651: termp_in_post(DECL_ARGS)
1652: {
1653:
1.338 schwarze 1654: if (NODE_SYNPRETTY & n->flags)
1.138 kristaps 1655: term_fontpush(p, TERMFONT_BOLD);
1656:
1.79 kristaps 1657: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1658: term_word(p, ">");
1659:
1.338 schwarze 1660: if (NODE_SYNPRETTY & n->flags)
1.138 kristaps 1661: term_fontpop(p);
1.1 kristaps 1662: }
1663:
1664: static int
1.355 schwarze 1665: termp_pp_pre(DECL_ARGS)
1.45 kristaps 1666: {
1.355 schwarze 1667: fn_prio = 0;
1668: term_vspace(p);
1.328 schwarze 1669: return 0;
1.45 kristaps 1670: }
1671:
1672: static int
1.294 schwarze 1673: termp_skip_pre(DECL_ARGS)
1.268 schwarze 1674: {
1675:
1.328 schwarze 1676: return 0;
1.268 schwarze 1677: }
1678:
1679: static int
1.188 kristaps 1680: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1681: {
1682:
1.314 schwarze 1683: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.328 schwarze 1684: return 1;
1.1 kristaps 1685:
1.188 kristaps 1686: switch (n->tok) {
1.264 schwarze 1687: case MDOC_Ao:
1688: case MDOC_Aq:
1.331 schwarze 1689: term_word(p, n->child != NULL && n->child->next == NULL &&
1.303 schwarze 1690: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.188 kristaps 1691: break;
1.264 schwarze 1692: case MDOC_Bro:
1693: case MDOC_Brq:
1.188 kristaps 1694: term_word(p, "{");
1695: break;
1.264 schwarze 1696: case MDOC_Oo:
1697: case MDOC_Op:
1698: case MDOC_Bo:
1699: case MDOC_Bq:
1.188 kristaps 1700: term_word(p, "[");
1701: break;
1.346 schwarze 1702: case MDOC__T:
1703: /* FALLTHROUGH */
1.264 schwarze 1704: case MDOC_Do:
1705: case MDOC_Dq:
1.311 schwarze 1706: term_word(p, "\\(Lq");
1.188 kristaps 1707: break;
1.268 schwarze 1708: case MDOC_En:
1709: if (NULL == n->norm->Es ||
1710: NULL == n->norm->Es->child)
1.328 schwarze 1711: return 1;
1.268 schwarze 1712: term_word(p, n->norm->Es->child->string);
1713: break;
1.264 schwarze 1714: case MDOC_Po:
1715: case MDOC_Pq:
1.188 kristaps 1716: term_word(p, "(");
1717: break;
1.264 schwarze 1718: case MDOC_Qo:
1719: case MDOC_Qq:
1.188 kristaps 1720: term_word(p, "\"");
1721: break;
1.264 schwarze 1722: case MDOC_Ql:
1723: case MDOC_So:
1724: case MDOC_Sq:
1.249 schwarze 1725: term_word(p, "\\(oq");
1.188 kristaps 1726: break;
1727: default:
1728: abort();
1729: }
1.1 kristaps 1730:
1731: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1732: return 1;
1.1 kristaps 1733: }
1734:
1735: static void
1.188 kristaps 1736: termp_quote_post(DECL_ARGS)
1.1 kristaps 1737: {
1738:
1.314 schwarze 1739: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1 kristaps 1740: return;
1741:
1.306 schwarze 1742: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1743:
1.188 kristaps 1744: switch (n->tok) {
1.264 schwarze 1745: case MDOC_Ao:
1746: case MDOC_Aq:
1.331 schwarze 1747: term_word(p, n->child != NULL && n->child->next == NULL &&
1.303 schwarze 1748: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.188 kristaps 1749: break;
1.264 schwarze 1750: case MDOC_Bro:
1751: case MDOC_Brq:
1.188 kristaps 1752: term_word(p, "}");
1753: break;
1.264 schwarze 1754: case MDOC_Oo:
1755: case MDOC_Op:
1756: case MDOC_Bo:
1757: case MDOC_Bq:
1.188 kristaps 1758: term_word(p, "]");
1759: break;
1.346 schwarze 1760: case MDOC__T:
1761: /* FALLTHROUGH */
1.264 schwarze 1762: case MDOC_Do:
1763: case MDOC_Dq:
1.311 schwarze 1764: term_word(p, "\\(Rq");
1.268 schwarze 1765: break;
1766: case MDOC_En:
1.306 schwarze 1767: if (n->norm->Es == NULL ||
1768: n->norm->Es->child == NULL ||
1769: n->norm->Es->child->next == NULL)
1770: p->flags &= ~TERMP_NOSPACE;
1771: else
1.268 schwarze 1772: term_word(p, n->norm->Es->child->next->string);
1.188 kristaps 1773: break;
1.264 schwarze 1774: case MDOC_Po:
1775: case MDOC_Pq:
1.188 kristaps 1776: term_word(p, ")");
1777: break;
1.264 schwarze 1778: case MDOC_Qo:
1779: case MDOC_Qq:
1.188 kristaps 1780: term_word(p, "\"");
1781: break;
1.264 schwarze 1782: case MDOC_Ql:
1783: case MDOC_So:
1784: case MDOC_Sq:
1.249 schwarze 1785: term_word(p, "\\(cq");
1.188 kristaps 1786: break;
1787: default:
1788: abort();
1789: }
1.306 schwarze 1790: }
1791:
1792: static int
1793: termp_eo_pre(DECL_ARGS)
1794: {
1795:
1.314 schwarze 1796: if (n->type != ROFFT_BODY)
1.328 schwarze 1797: return 1;
1.306 schwarze 1798:
1799: if (n->end == ENDBODY_NOT &&
1800: n->parent->head->child == NULL &&
1801: n->child != NULL &&
1802: n->child->end != ENDBODY_NOT)
1803: term_word(p, "\\&");
1804: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.309 schwarze 1805: n->parent->head->child != NULL && (n->child != NULL ||
1806: (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.306 schwarze 1807: p->flags |= TERMP_NOSPACE;
1808:
1.328 schwarze 1809: return 1;
1.306 schwarze 1810: }
1811:
1812: static void
1813: termp_eo_post(DECL_ARGS)
1814: {
1815: int body, tail;
1816:
1.314 schwarze 1817: if (n->type != ROFFT_BODY)
1.306 schwarze 1818: return;
1819:
1820: if (n->end != ENDBODY_NOT) {
1821: p->flags &= ~TERMP_NOSPACE;
1822: return;
1823: }
1824:
1825: body = n->child != NULL || n->parent->head->child != NULL;
1826: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1827:
1828: if (body && tail)
1829: p->flags |= TERMP_NOSPACE;
1830: else if ( ! (body || tail))
1831: term_word(p, "\\&");
1832: else if ( ! tail)
1833: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1834: }
1835:
1836: static int
1837: termp_fo_pre(DECL_ARGS)
1838: {
1.257 schwarze 1839: size_t rmargin = 0;
1.256 schwarze 1840: int pretty;
1841:
1.338 schwarze 1842: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1843:
1.314 schwarze 1844: if (n->type == ROFFT_BLOCK) {
1.143 kristaps 1845: synopsis_pre(p, n);
1.328 schwarze 1846: return 1;
1.314 schwarze 1847: } else if (n->type == ROFFT_BODY) {
1.256 schwarze 1848: if (pretty) {
1849: rmargin = p->rmargin;
1.257 schwarze 1850: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 1851: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1852: TERMP_HANG;
1.256 schwarze 1853: }
1.33 kristaps 1854: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1855: term_word(p, "(");
1.222 kristaps 1856: p->flags |= TERMP_NOSPACE;
1.256 schwarze 1857: if (pretty) {
1858: term_flushln(p);
1.263 schwarze 1859: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1860: TERMP_HANG);
1.256 schwarze 1861: p->offset = p->rmargin;
1862: p->rmargin = rmargin;
1863: }
1.328 schwarze 1864: return 1;
1.256 schwarze 1865: }
1.141 kristaps 1866:
1.169 kristaps 1867: if (NULL == n->child)
1.328 schwarze 1868: return 0;
1.169 kristaps 1869:
1.141 kristaps 1870: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 1871:
1.141 kristaps 1872: assert(n->child->string);
1.102 kristaps 1873: term_fontpush(p, TERMFONT_BOLD);
1.141 kristaps 1874: term_word(p, n->child->string);
1.328 schwarze 1875: return 0;
1.1 kristaps 1876: }
1877:
1878: static void
1879: termp_fo_post(DECL_ARGS)
1880: {
1881:
1.314 schwarze 1882: if (n->type != ROFFT_BODY)
1.143 kristaps 1883: return;
1884:
1.222 kristaps 1885: p->flags |= TERMP_NOSPACE;
1.143 kristaps 1886: term_word(p, ")");
1887:
1.338 schwarze 1888: if (NODE_SYNPRETTY & n->flags) {
1.222 kristaps 1889: p->flags |= TERMP_NOSPACE;
1.143 kristaps 1890: term_word(p, ";");
1.256 schwarze 1891: term_flushln(p);
1.222 kristaps 1892: }
1.1 kristaps 1893: }
1894:
1895: static int
1896: termp_bf_pre(DECL_ARGS)
1897: {
1898:
1.314 schwarze 1899: if (n->type == ROFFT_HEAD)
1.328 schwarze 1900: return 0;
1.314 schwarze 1901: else if (n->type != ROFFT_BODY)
1.328 schwarze 1902: return 1;
1.1 kristaps 1903:
1.264 schwarze 1904: if (FONT_Em == n->norm->Bf.font)
1.102 kristaps 1905: term_fontpush(p, TERMFONT_UNDER);
1.264 schwarze 1906: else if (FONT_Sy == n->norm->Bf.font)
1.102 kristaps 1907: term_fontpush(p, TERMFONT_BOLD);
1.264 schwarze 1908: else
1.102 kristaps 1909: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 1910:
1.328 schwarze 1911: return 1;
1.1 kristaps 1912: }
1913:
1914: static int
1915: termp_sm_pre(DECL_ARGS)
1916: {
1917:
1.269 schwarze 1918: if (NULL == n->child)
1919: p->flags ^= TERMP_NONOSPACE;
1920: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 1921: p->flags &= ~TERMP_NONOSPACE;
1.269 schwarze 1922: else
1.1 kristaps 1923: p->flags |= TERMP_NONOSPACE;
1.269 schwarze 1924:
1925: if (p->col && ! (TERMP_NONOSPACE & p->flags))
1926: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1927:
1.328 schwarze 1928: return 0;
1.1 kristaps 1929: }
1930:
1931: static int
1932: termp_ap_pre(DECL_ARGS)
1933: {
1934:
1935: p->flags |= TERMP_NOSPACE;
1.188 kristaps 1936: term_word(p, "'");
1.1 kristaps 1937: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1938: return 1;
1.1 kristaps 1939: }
1940:
1941: static void
1942: termp____post(DECL_ARGS)
1943: {
1.184 kristaps 1944:
1945: /*
1946: * Handle lists of authors. In general, print each followed by
1947: * a comma. Don't print the comma if there are only two
1948: * authors.
1949: */
1950: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
1951: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
1952: if (NULL == n->prev || MDOC__A != n->prev->tok)
1953: return;
1.1 kristaps 1954:
1.95 kristaps 1955: /* TODO: %U. */
1956:
1.187 kristaps 1957: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
1958: return;
1959:
1.222 kristaps 1960: p->flags |= TERMP_NOSPACE;
1.186 kristaps 1961: if (NULL == n->next) {
1962: term_word(p, ".");
1963: p->flags |= TERMP_SENTENCE;
1964: } else
1965: term_word(p, ",");
1.1 kristaps 1966: }
1967:
1968: static int
1.102 kristaps 1969: termp_li_pre(DECL_ARGS)
1970: {
1971:
1.335 schwarze 1972: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1973: term_fontpush(p, TERMFONT_NONE);
1.328 schwarze 1974: return 1;
1.102 kristaps 1975: }
1976:
1977: static int
1.1 kristaps 1978: termp_lk_pre(DECL_ARGS)
1979: {
1.358 ! schwarze 1980: const struct roff_node *link, *descr, *punct;
1.348 schwarze 1981: int display;
1.1 kristaps 1982:
1.349 schwarze 1983: if ((link = n->child) == NULL)
1.328 schwarze 1984: return 0;
1.181 kristaps 1985:
1.358 ! schwarze 1986: /* Find beginning of trailing punctuation. */
! 1987: punct = n->last;
! 1988: while (punct != link && punct->flags & NODE_DELIMC)
! 1989: punct = punct->prev;
! 1990: punct = punct->next;
! 1991:
1.349 schwarze 1992: /* Link text. */
1.358 ! schwarze 1993: if ((descr = link->next) != NULL && descr != punct) {
1.240 schwarze 1994: term_fontpush(p, TERMFONT_UNDER);
1.358 ! schwarze 1995: while (descr != punct) {
! 1996: if (descr->flags & (NODE_DELIMC | NODE_DELIMO))
! 1997: p->flags |= TERMP_NOSPACE;
1.240 schwarze 1998: term_word(p, descr->string);
1999: descr = descr->next;
2000: }
1.347 schwarze 2001: term_fontpop(p);
1.240 schwarze 2002: p->flags |= TERMP_NOSPACE;
2003: term_word(p, ":");
2004: }
1.1 kristaps 2005:
1.349 schwarze 2006: /* Link target. */
1.348 schwarze 2007: display = term_strlen(p, link->string) >= 26;
2008: if (display) {
2009: term_newln(p);
2010: p->offset += term_len(p, p->defindent + 1);
2011: }
1.102 kristaps 2012: term_fontpush(p, TERMFONT_BOLD);
1.240 schwarze 2013: term_word(p, link->string);
1.102 kristaps 2014: term_fontpop(p);
1.348 schwarze 2015:
1.349 schwarze 2016: /* Trailing punctuation. */
1.358 ! schwarze 2017: while (punct != NULL) {
1.349 schwarze 2018: p->flags |= TERMP_NOSPACE;
1.358 ! schwarze 2019: term_word(p, punct->string);
! 2020: punct = punct->next;
1.349 schwarze 2021: }
1.348 schwarze 2022: if (display)
2023: term_newln(p);
1.328 schwarze 2024: return 0;
1.1 kristaps 2025: }
2026:
1.159 schwarze 2027: static int
2028: termp_bk_pre(DECL_ARGS)
2029: {
2030:
1.161 schwarze 2031: switch (n->type) {
1.314 schwarze 2032: case ROFFT_BLOCK:
1.166 kristaps 2033: break;
1.314 schwarze 2034: case ROFFT_HEAD:
1.328 schwarze 2035: return 0;
1.314 schwarze 2036: case ROFFT_BODY:
1.331 schwarze 2037: if (n->parent->args != NULL || n->prev->child == NULL)
1.200 schwarze 2038: p->flags |= TERMP_PREKEEP;
1.166 kristaps 2039: break;
1.161 schwarze 2040: default:
2041: abort();
2042: }
1.166 kristaps 2043:
1.328 schwarze 2044: return 1;
1.159 schwarze 2045: }
2046:
2047: static void
2048: termp_bk_post(DECL_ARGS)
2049: {
2050:
1.314 schwarze 2051: if (n->type == ROFFT_BODY)
1.161 schwarze 2052: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203 kristaps 2053: }
2054:
2055: static void
2056: termp__t_post(DECL_ARGS)
2057: {
2058:
2059: /*
2060: * If we're in an `Rs' and there's a journal present, then quote
2061: * us instead of underlining us (for disambiguation).
2062: */
1.217 schwarze 2063: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2064: n->parent->norm->Rs.quote_T)
1.245 schwarze 2065: termp_quote_post(p, pair, meta, n);
1.203 kristaps 2066:
1.245 schwarze 2067: termp____post(p, pair, meta, n);
1.203 kristaps 2068: }
2069:
2070: static int
2071: termp__t_pre(DECL_ARGS)
2072: {
2073:
2074: /*
2075: * If we're in an `Rs' and there's a journal present, then quote
2076: * us instead of underlining us (for disambiguation).
2077: */
2078: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2079: n->parent->norm->Rs.quote_T)
1.328 schwarze 2080: return termp_quote_pre(p, pair, meta, n);
1.203 kristaps 2081:
2082: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 2083: return 1;
1.159 schwarze 2084: }
1.1 kristaps 2085:
2086: static int
1.69 kristaps 2087: termp_under_pre(DECL_ARGS)
1.1 kristaps 2088: {
2089:
1.102 kristaps 2090: term_fontpush(p, TERMFONT_UNDER);
1.334 schwarze 2091: return 1;
2092: }
2093:
2094: static int
2095: termp_em_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_UNDER);
2101: return 1;
2102: }
2103:
2104: static int
2105: termp_sy_pre(DECL_ARGS)
2106: {
2107: if (n->child != NULL &&
2108: n->child->type == ROFFT_TEXT)
2109: tag_put(n->child->string, 0, p->line);
2110: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 2111: return 1;
1.323 schwarze 2112: }
2113:
2114: static int
2115: termp_er_pre(DECL_ARGS)
2116: {
2117:
2118: if (n->sec == SEC_ERRORS &&
2119: (n->parent->tok == MDOC_It ||
2120: (n->parent->tok == MDOC_Bq &&
1.324 schwarze 2121: n->parent->parent->parent->tok == MDOC_It)))
2122: tag_put(n->child->string, 1, p->line);
1.328 schwarze 2123: return 1;
1.320 schwarze 2124: }
2125:
2126: static int
2127: termp_tag_pre(DECL_ARGS)
2128: {
2129:
2130: if (n->child != NULL &&
2131: n->child->type == ROFFT_TEXT &&
1.333 schwarze 2132: (n->prev == NULL ||
2133: (n->prev->type == ROFFT_TEXT &&
2134: strcmp(n->prev->string, "|") == 0)) &&
1.320 schwarze 2135: (n->parent->tok == MDOC_It ||
2136: (n->parent->tok == MDOC_Xo &&
2137: n->parent->parent->prev == NULL &&
1.324 schwarze 2138: n->parent->parent->parent->tok == MDOC_It)))
2139: tag_put(n->child->string, 1, p->line);
1.328 schwarze 2140: return 1;
1.84 kristaps 2141: }
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