Annotation of mandoc/mdoc_term.c, Revision 1.345
1.345 ! schwarze 1: /* $Id: mdoc_term.c,v 1.344 2017/02/16 03:00:23 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;
1.342 schwarze 261: size_t save_defindent;
1.89 kristaps 262:
263: p = (struct termp *)arg;
1.111 kristaps 264: p->overstep = 0;
1.281 schwarze 265: p->rmargin = p->maxrmargin = p->defrmargin;
1.157 kristaps 266: p->tabwidth = term_len(p, 5);
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:
1.338 schwarze 345: if (' ' == *n->string && NODE_LINE & n->flags)
1.217 schwarze 346: term_newln(p);
1.338 schwarze 347: if (NODE_DELIMC & n->flags)
1.222 kristaps 348: p->flags |= TERMP_NOSPACE;
1.217 schwarze 349: term_word(p, n->string);
1.338 schwarze 350: if (NODE_DELIMO & n->flags)
1.222 kristaps 351: p->flags |= TERMP_NOSPACE;
1.217 schwarze 352: break;
1.314 schwarze 353: case ROFFT_EQN:
1.338 schwarze 354: if ( ! (n->flags & NODE_LINE))
1.284 schwarze 355: p->flags |= TERMP_NOSPACE;
1.233 kristaps 356: term_eqn(p, n->eqn);
1.338 schwarze 357: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.285 schwarze 358: p->flags |= TERMP_NOSPACE;
1.217 schwarze 359: break;
1.314 schwarze 360: case ROFFT_TBL:
1.313 schwarze 361: if (p->tbl.cols == NULL)
362: term_newln(p);
1.217 schwarze 363: term_tbl(p, n->span);
364: break;
365: default:
1.295 schwarze 366: if (termacts[n->tok].pre &&
1.331 schwarze 367: (n->end == ENDBODY_NOT || n->child != NULL))
1.217 schwarze 368: chld = (*termacts[n->tok].pre)
1.245 schwarze 369: (p, &npair, meta, n);
1.217 schwarze 370: break;
371: }
372:
1.86 kristaps 373: if (chld && n->child)
1.245 schwarze 374: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 375:
1.244 schwarze 376: term_fontpopq(p,
1.310 schwarze 377: (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.46 kristaps 378:
1.206 kristaps 379: switch (n->type) {
1.314 schwarze 380: case ROFFT_TEXT:
1.206 kristaps 381: break;
1.314 schwarze 382: case ROFFT_TBL:
1.216 kristaps 383: break;
1.314 schwarze 384: case ROFFT_EQN:
1.206 kristaps 385: break;
386: default:
1.338 schwarze 387: if ( ! termacts[n->tok].post || NODE_ENDED & n->flags)
1.206 kristaps 388: break;
1.245 schwarze 389: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162 schwarze 390:
391: /*
392: * Explicit end tokens not only call the post
393: * handler, but also tell the respective block
394: * that it must not call the post handler again.
395: */
1.165 kristaps 396: if (ENDBODY_NOT != n->end)
1.338 schwarze 397: n->body->flags |= NODE_ENDED;
1.206 kristaps 398: break;
1.162 schwarze 399: }
1.121 kristaps 400:
1.338 schwarze 401: if (NODE_EOS & n->flags)
1.121 kristaps 402: p->flags |= TERMP_SENTENCE;
1.29 kristaps 403:
1.260 schwarze 404: if (MDOC_ll != n->tok) {
405: p->offset = offset;
406: p->rmargin = rmargin;
407: }
1.1 kristaps 408: }
409:
1.3 kristaps 410: static void
1.316 schwarze 411: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 412: {
1.292 schwarze 413: size_t sz;
1.144 kristaps 414:
1.102 kristaps 415: term_fontrepl(p, TERMFONT_NONE);
1.101 kristaps 416:
1.264 schwarze 417: /*
1.9 kristaps 418: * Output the footer in new-groff style, that is, three columns
419: * with the middle being the manual date and flanking columns
420: * being the operating system:
421: *
422: * SYSTEM DATE SYSTEM
423: */
424:
1.1 kristaps 425: term_vspace(p);
426:
1.9 kristaps 427: p->offset = 0;
1.292 schwarze 428: sz = term_strlen(p, meta->date);
429: p->rmargin = p->maxrmargin > sz ?
430: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.250 schwarze 431: p->trailspace = 1;
1.1 kristaps 432: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
433:
1.245 schwarze 434: term_word(p, meta->os);
1.1 kristaps 435: term_flushln(p);
436:
1.9 kristaps 437: p->offset = p->rmargin;
1.292 schwarze 438: sz = term_strlen(p, meta->os);
439: p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.234 schwarze 440: p->flags |= TERMP_NOSPACE;
1.9 kristaps 441:
1.245 schwarze 442: term_word(p, meta->date);
1.9 kristaps 443: term_flushln(p);
444:
1.1 kristaps 445: p->offset = p->rmargin;
446: p->rmargin = p->maxrmargin;
1.250 schwarze 447: p->trailspace = 0;
1.1 kristaps 448: p->flags &= ~TERMP_NOBREAK;
1.234 schwarze 449: p->flags |= TERMP_NOSPACE;
1.1 kristaps 450:
1.245 schwarze 451: term_word(p, meta->os);
1.1 kristaps 452: term_flushln(p);
453:
1.9 kristaps 454: p->offset = 0;
455: p->rmargin = p->maxrmargin;
456: p->flags = 0;
1.1 kristaps 457: }
458:
1.3 kristaps 459: static void
1.316 schwarze 460: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 461: {
1.267 schwarze 462: char *volume, *title;
463: size_t vollen, titlen;
1.1 kristaps 464:
465: /*
466: * The header is strange. It has three components, which are
467: * really two with the first duplicated. It goes like this:
468: *
469: * IDENTIFIER TITLE IDENTIFIER
470: *
471: * The IDENTIFIER is NAME(SECTION), which is the command-name
472: * (if given, or "unknown" if not) followed by the manual page
473: * section. These are given in `Dt'. The TITLE is a free-form
474: * string depending on the manual volume. If not specified, it
475: * switches on the manual section.
476: */
1.235 schwarze 477:
1.245 schwarze 478: assert(meta->vol);
1.267 schwarze 479: if (NULL == meta->arch)
480: volume = mandoc_strdup(meta->vol);
481: else
482: mandoc_asprintf(&volume, "%s (%s)",
483: meta->vol, meta->arch);
484: vollen = term_strlen(p, volume);
1.1 kristaps 485:
1.275 schwarze 486: if (NULL == meta->msec)
487: title = mandoc_strdup(meta->title);
488: else
489: mandoc_asprintf(&title, "%s(%s)",
490: meta->title, meta->msec);
1.235 schwarze 491: titlen = term_strlen(p, title);
1.1 kristaps 492:
1.235 schwarze 493: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250 schwarze 494: p->trailspace = 1;
1.1 kristaps 495: p->offset = 0;
1.267 schwarze 496: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
497: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.292 schwarze 498: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 499:
500: term_word(p, title);
501: term_flushln(p);
502:
1.235 schwarze 503: p->flags |= TERMP_NOSPACE;
1.1 kristaps 504: p->offset = p->rmargin;
1.267 schwarze 505: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235 schwarze 506: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 507:
1.267 schwarze 508: term_word(p, volume);
1.1 kristaps 509: term_flushln(p);
510:
511: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 512: p->trailspace = 0;
1.235 schwarze 513: if (p->rmargin + titlen <= p->maxrmargin) {
514: p->flags |= TERMP_NOSPACE;
515: p->offset = p->rmargin;
516: p->rmargin = p->maxrmargin;
517: term_word(p, title);
518: term_flushln(p);
519: }
1.1 kristaps 520:
1.235 schwarze 521: p->flags &= ~TERMP_NOSPACE;
1.9 kristaps 522: p->offset = 0;
1.1 kristaps 523: p->rmargin = p->maxrmargin;
1.266 schwarze 524: free(title);
1.267 schwarze 525: free(volume);
1.1 kristaps 526: }
527:
1.302 schwarze 528: static int
1.157 kristaps 529: a2width(const struct termp *p, const char *v)
1.91 kristaps 530: {
1.92 kristaps 531: struct roffsu su;
1.1 kristaps 532:
1.300 schwarze 533: if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.157 kristaps 534: SCALE_HS_INIT(&su, term_strlen(p, v));
1.283 schwarze 535: su.scale /= term_strlen(p, "0");
1.302 schwarze 536: }
1.328 schwarze 537: return term_hspan(p, &su) / 24;
1.1 kristaps 538: }
539:
1.108 kristaps 540: /*
541: * Determine how much space to print out before block elements of `It'
542: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
543: * too.
544: */
1.54 kristaps 545: static void
1.264 schwarze 546: print_bvspace(struct termp *p,
1.315 schwarze 547: const struct roff_node *bl,
548: const struct roff_node *n)
1.1 kristaps 549: {
1.315 schwarze 550: const struct roff_node *nn;
1.236 schwarze 551:
552: assert(n);
1.1 kristaps 553:
554: term_newln(p);
1.150 kristaps 555:
1.202 kristaps 556: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150 kristaps 557: return;
1.202 kristaps 558: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54 kristaps 559: return;
560:
1.85 kristaps 561: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 562:
1.289 schwarze 563: nn = n;
1.337 schwarze 564: while (nn->prev != NULL && nn->prev->flags & NODE_NOPRT)
565: nn = nn->prev;
1.289 schwarze 566: while (nn->prev == NULL) {
567: do {
568: nn = nn->parent;
1.314 schwarze 569: if (nn->type == ROFFT_ROOT)
1.289 schwarze 570: return;
1.314 schwarze 571: } while (nn->type != ROFFT_BLOCK);
1.289 schwarze 572: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.54 kristaps 573: return;
1.289 schwarze 574: if (nn->tok == MDOC_It &&
575: nn->parent->parent->norm->Bl.type != LIST_item)
576: break;
1.1 kristaps 577: }
578:
1.85 kristaps 579: /* A `-column' does not assert vspace within the list. */
1.54 kristaps 580:
1.202 kristaps 581: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86 kristaps 582: if (n->prev && MDOC_It == n->prev->tok)
1.54 kristaps 583: return;
584:
1.85 kristaps 585: /* A `-diag' without body does not vspace. */
586:
1.202 kristaps 587: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86 kristaps 588: if (n->prev && MDOC_It == n->prev->tok) {
589: assert(n->prev->body);
590: if (NULL == n->prev->body->child)
1.55 kristaps 591: return;
592: }
593:
1.54 kristaps 594: term_vspace(p);
1.260 schwarze 595: }
596:
597:
598: static int
599: termp_ll_pre(DECL_ARGS)
600: {
601:
1.331 schwarze 602: term_setwidth(p, n->child != NULL ? n->child->string : NULL);
1.328 schwarze 603: return 0;
1.1 kristaps 604: }
605:
606: static int
607: termp_it_pre(DECL_ARGS)
608: {
1.345 ! schwarze 609: struct roffsu su;
1.302 schwarze 610: char buf[24];
1.315 schwarze 611: const struct roff_node *bl, *nn;
1.302 schwarze 612: size_t ncols, dcol;
613: int i, offset, width;
1.126 kristaps 614: enum mdoc_list type;
1.1 kristaps 615:
1.314 schwarze 616: if (n->type == ROFFT_BLOCK) {
1.151 kristaps 617: print_bvspace(p, n->parent->parent, n);
1.328 schwarze 618: return 1;
1.54 kristaps 619: }
1.1 kristaps 620:
1.86 kristaps 621: bl = n->parent->parent->parent;
1.202 kristaps 622: type = bl->norm->Bl.type;
1.1 kristaps 623:
1.264 schwarze 624: /*
1.302 schwarze 625: * Defaults for specific list types.
626: */
627:
628: switch (type) {
629: case LIST_bullet:
630: case LIST_dash:
631: case LIST_hyphen:
632: case LIST_enum:
633: width = term_len(p, 2);
634: break;
635: case LIST_hang:
1.332 schwarze 636: case LIST_tag:
1.302 schwarze 637: width = term_len(p, 8);
638: break;
639: case LIST_column:
640: width = term_len(p, 10);
641: break;
642: default:
643: width = 0;
644: break;
645: }
646: offset = 0;
647:
648: /*
1.108 kristaps 649: * First calculate width and offset. This is pretty easy unless
650: * we're a -column list, in which case all prior columns must
651: * be accounted for.
652: */
653:
1.302 schwarze 654: if (bl->norm->Bl.offs != NULL) {
1.288 schwarze 655: offset = a2width(p, bl->norm->Bl.offs);
1.302 schwarze 656: if (offset < 0 && (size_t)(-offset) > p->offset)
657: offset = -p->offset;
658: else if (offset > SHRT_MAX)
659: offset = 0;
660: }
1.152 kristaps 661:
1.1 kristaps 662: switch (type) {
1.264 schwarze 663: case LIST_column:
1.314 schwarze 664: if (n->type == ROFFT_HEAD)
1.1 kristaps 665: break;
1.155 kristaps 666:
1.105 kristaps 667: /*
1.108 kristaps 668: * Imitate groff's column handling:
669: * - For each earlier column, add its width.
670: * - For less than 5 columns, add four more blanks per
671: * column.
672: * - For exactly 5 columns, add three more blank per
673: * column.
674: * - For more than 5 columns, add only one column.
1.105 kristaps 675: */
1.202 kristaps 676: ncols = bl->norm->Bl.ncols;
1.264 schwarze 677: dcol = ncols < 5 ? term_len(p, 4) :
678: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108 kristaps 679:
1.134 kristaps 680: /*
1.314 schwarze 681: * Calculate the offset by applying all prior ROFFT_BODY,
682: * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.134 kristaps 683: */
684:
1.264 schwarze 685: for (i = 0, nn = n->prev;
686: nn->prev && i < (int)ncols;
1.345 ! schwarze 687: nn = nn->prev, i++) {
! 688: SCALE_HS_INIT(&su,
! 689: term_strlen(p, bl->norm->Bl.cols[i]));
! 690: su.scale /= term_strlen(p, "0");
! 691: offset += term_hspan(p, &su) / 24 + dcol;
! 692: }
1.105 kristaps 693:
694: /*
1.108 kristaps 695: * When exceeding the declared number of columns, leave
696: * the remaining widths at 0. This will later be
697: * adjusted to the default width of 10, or, for the last
698: * column, stretched to the right margin.
1.58 kristaps 699: */
1.108 kristaps 700: if (i >= (int)ncols)
701: break;
1.58 kristaps 702:
1.105 kristaps 703: /*
1.108 kristaps 704: * Use the declared column widths, extended as explained
705: * in the preceding paragraph.
1.105 kristaps 706: */
1.345 ! schwarze 707: SCALE_HS_INIT(&su, term_strlen(p, bl->norm->Bl.cols[i]));
! 708: su.scale /= term_strlen(p, "0");
! 709: width = term_hspan(p, &su) / 24 + dcol;
1.1 kristaps 710: break;
711: default:
1.202 kristaps 712: if (NULL == bl->norm->Bl.width)
1.108 kristaps 713: break;
714:
1.264 schwarze 715: /*
1.108 kristaps 716: * Note: buffer the width by 2, which is groff's magic
717: * number for buffering single arguments. See the above
718: * handling for column for how this changes.
719: */
1.202 kristaps 720: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.302 schwarze 721: if (width < 0 && (size_t)(-width) > p->offset)
722: width = -p->offset;
723: else if (width > SHRT_MAX)
724: width = 0;
1.1 kristaps 725: break;
726: }
727:
1.264 schwarze 728: /*
1.17 kristaps 729: * Whitespace control. Inset bodies need an initial space,
730: * while diagonal bodies need two.
1.1 kristaps 731: */
732:
1.51 kristaps 733: p->flags |= TERMP_NOSPACE;
734:
1.1 kristaps 735: switch (type) {
1.264 schwarze 736: case LIST_diag:
1.314 schwarze 737: if (n->type == ROFFT_BODY)
1.62 kristaps 738: term_word(p, "\\ \\ ");
1.51 kristaps 739: break;
1.264 schwarze 740: case LIST_inset:
1.331 schwarze 741: if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.51 kristaps 742: term_word(p, "\\ ");
1.1 kristaps 743: break;
744: default:
745: break;
746: }
747:
1.51 kristaps 748: p->flags |= TERMP_NOSPACE;
749:
1.1 kristaps 750: switch (type) {
1.264 schwarze 751: case LIST_diag:
1.314 schwarze 752: if (n->type == ROFFT_HEAD)
1.102 kristaps 753: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 754: break;
755: default:
756: break;
757: }
758:
759: /*
1.109 kristaps 760: * Pad and break control. This is the tricky part. These flags
761: * are documented in term_flushln() in term.c. Note that we're
762: * going to unset all of these flags in termp_it_post() when we
763: * exit.
1.1 kristaps 764: */
765:
766: switch (type) {
1.264 schwarze 767: case LIST_enum:
1.329 schwarze 768: case LIST_bullet:
769: case LIST_dash:
770: case LIST_hyphen:
1.242 schwarze 771: /*
772: * Weird special case.
1.302 schwarze 773: * Some very narrow lists actually hang.
1.242 schwarze 774: */
1.302 schwarze 775: if (width <= (int)term_len(p, 2))
776: p->flags |= TERMP_HANG;
1.314 schwarze 777: if (n->type != ROFFT_HEAD)
1.250 schwarze 778: break;
779: p->flags |= TERMP_NOBREAK;
780: p->trailspace = 1;
1.39 kristaps 781: break;
1.264 schwarze 782: case LIST_hang:
1.314 schwarze 783: if (n->type != ROFFT_HEAD)
1.59 kristaps 784: break;
785:
786: /*
787: * This is ugly. If `-hang' is specified and the body
788: * is a `Bl' or `Bd', then we want basically to nullify
789: * the "overstep" effect in term_flushln() and treat
790: * this as a `-ohang' list instead.
791: */
1.279 schwarze 792: if (NULL != n->next &&
1.278 schwarze 793: NULL != n->next->child &&
794: (MDOC_Bl == n->next->child->tok ||
795: MDOC_Bd == n->next->child->tok))
1.250 schwarze 796: break;
797:
1.263 schwarze 798: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250 schwarze 799: p->trailspace = 1;
1.39 kristaps 800: break;
1.264 schwarze 801: case LIST_tag:
1.314 schwarze 802: if (n->type != ROFFT_HEAD)
1.39 kristaps 803: break;
1.250 schwarze 804:
1.326 schwarze 805: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.250 schwarze 806: p->trailspace = 2;
807:
1.86 kristaps 808: if (NULL == n->next || NULL == n->next->child)
1.39 kristaps 809: p->flags |= TERMP_DANGLE;
1.1 kristaps 810: break;
1.264 schwarze 811: case LIST_column:
1.314 schwarze 812: if (n->type == ROFFT_HEAD)
1.134 kristaps 813: break;
814:
1.250 schwarze 815: if (NULL == n->next) {
1.134 kristaps 816: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 817: p->trailspace = 0;
818: } else {
1.134 kristaps 819: p->flags |= TERMP_NOBREAK;
1.250 schwarze 820: p->trailspace = 1;
821: }
1.134 kristaps 822:
1.1 kristaps 823: break;
1.264 schwarze 824: case LIST_diag:
1.314 schwarze 825: if (n->type != ROFFT_HEAD)
1.250 schwarze 826: break;
1.263 schwarze 827: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 828: p->trailspace = 1;
1.1 kristaps 829: break;
830: default:
831: break;
832: }
833:
1.264 schwarze 834: /*
1.1 kristaps 835: * Margin control. Set-head-width lists have their right
836: * margins shortened. The body for these lists has the offset
837: * necessarily lengthened. Everybody gets the offset.
838: */
839:
840: p->offset += offset;
841:
842: switch (type) {
1.264 schwarze 843: case LIST_hang:
1.59 kristaps 844: /*
845: * Same stipulation as above, regarding `-hang'. We
846: * don't want to recalculate rmargin and offsets when
847: * using `Bd' or `Bl' within `-hang' overstep lists.
848: */
1.314 schwarze 849: if (n->type == ROFFT_HEAD &&
1.279 schwarze 850: NULL != n->next &&
1.278 schwarze 851: NULL != n->next->child &&
852: (MDOC_Bl == n->next->child->tok ||
853: MDOC_Bd == n->next->child->tok))
1.59 kristaps 854: break;
855: /* FALLTHROUGH */
1.264 schwarze 856: case LIST_bullet:
857: case LIST_dash:
858: case LIST_enum:
859: case LIST_hyphen:
860: case LIST_tag:
1.314 schwarze 861: if (n->type == ROFFT_HEAD)
1.1 kristaps 862: p->rmargin = p->offset + width;
1.292 schwarze 863: else
1.1 kristaps 864: p->offset += width;
865: break;
1.264 schwarze 866: case LIST_column:
1.49 kristaps 867: assert(width);
1.1 kristaps 868: p->rmargin = p->offset + width;
1.264 schwarze 869: /*
1.50 kristaps 870: * XXX - this behaviour is not documented: the
871: * right-most column is filled to the right margin.
872: */
1.314 schwarze 873: if (n->type == ROFFT_HEAD)
1.134 kristaps 874: break;
875: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50 kristaps 876: p->rmargin = p->maxrmargin;
1.1 kristaps 877: break;
878: default:
879: break;
880: }
881:
1.264 schwarze 882: /*
1.1 kristaps 883: * The dash, hyphen, bullet and enum lists all have a special
1.264 schwarze 884: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 885: */
886:
1.314 schwarze 887: if (n->type == ROFFT_HEAD)
1.1 kristaps 888: switch (type) {
1.264 schwarze 889: case LIST_bullet:
1.102 kristaps 890: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 891: term_word(p, "\\[bu]");
1.102 kristaps 892: term_fontpop(p);
1.1 kristaps 893: break;
1.264 schwarze 894: case LIST_dash:
895: case LIST_hyphen:
1.102 kristaps 896: term_fontpush(p, TERMFONT_BOLD);
1.330 schwarze 897: term_word(p, "-");
1.102 kristaps 898: term_fontpop(p);
1.1 kristaps 899: break;
1.264 schwarze 900: case LIST_enum:
1.1 kristaps 901: (pair->ppair->ppair->count)++;
1.265 schwarze 902: (void)snprintf(buf, sizeof(buf), "%d.",
1.264 schwarze 903: pair->ppair->ppair->count);
1.1 kristaps 904: term_word(p, buf);
905: break;
906: default:
907: break;
908: }
909:
1.264 schwarze 910: /*
1.1 kristaps 911: * If we're not going to process our children, indicate so here.
912: */
913:
914: switch (type) {
1.264 schwarze 915: case LIST_bullet:
916: case LIST_item:
917: case LIST_dash:
918: case LIST_hyphen:
919: case LIST_enum:
1.314 schwarze 920: if (n->type == ROFFT_HEAD)
1.328 schwarze 921: return 0;
1.1 kristaps 922: break;
1.264 schwarze 923: case LIST_column:
1.314 schwarze 924: if (n->type == ROFFT_HEAD)
1.328 schwarze 925: return 0;
1.1 kristaps 926: break;
927: default:
928: break;
929: }
930:
1.328 schwarze 931: return 1;
1.1 kristaps 932: }
933:
934: static void
935: termp_it_post(DECL_ARGS)
936: {
1.126 kristaps 937: enum mdoc_list type;
1.1 kristaps 938:
1.314 schwarze 939: if (n->type == ROFFT_BLOCK)
1.1 kristaps 940: return;
941:
1.202 kristaps 942: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 943:
944: switch (type) {
1.264 schwarze 945: case LIST_item:
946: case LIST_diag:
947: case LIST_inset:
1.314 schwarze 948: if (n->type == ROFFT_BODY)
1.130 schwarze 949: term_newln(p);
1.1 kristaps 950: break;
1.264 schwarze 951: case LIST_column:
1.314 schwarze 952: if (n->type == ROFFT_BODY)
1.1 kristaps 953: term_flushln(p);
954: break;
955: default:
1.130 schwarze 956: term_newln(p);
1.1 kristaps 957: break;
958: }
959:
1.264 schwarze 960: /*
1.109 kristaps 961: * Now that our output is flushed, we can reset our tags. Since
962: * only `It' sets these flags, we're free to assume that nobody
963: * has munged them in the meanwhile.
964: */
965:
1.326 schwarze 966: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND |
1.263 schwarze 967: TERMP_DANGLE | TERMP_HANG);
1.250 schwarze 968: p->trailspace = 0;
1.1 kristaps 969: }
970:
971: static int
972: termp_nm_pre(DECL_ARGS)
973: {
1.296 schwarze 974: const char *cp;
1.1 kristaps 975:
1.314 schwarze 976: if (n->type == ROFFT_BLOCK) {
1.253 schwarze 977: p->flags |= TERMP_PREKEEP;
1.328 schwarze 978: return 1;
1.253 schwarze 979: }
1.164 schwarze 980:
1.314 schwarze 981: if (n->type == ROFFT_BODY) {
1.164 schwarze 982: if (NULL == n->child)
1.328 schwarze 983: return 0;
1.234 schwarze 984: p->flags |= TERMP_NOSPACE;
1.296 schwarze 985: cp = NULL;
986: if (n->prev->child != NULL)
987: cp = n->prev->child->string;
988: if (cp == NULL)
989: cp = meta->name;
990: if (cp == NULL)
991: p->offset += term_len(p, 6);
992: else
993: p->offset += term_len(p, 1) + term_strlen(p, cp);
1.328 schwarze 994: return 1;
1.164 schwarze 995: }
996:
1.343 schwarze 997: if (n->child == NULL)
1.328 schwarze 998: return 0;
1.125 kristaps 999:
1.314 schwarze 1000: if (n->type == ROFFT_HEAD)
1.177 schwarze 1001: synopsis_pre(p, n->parent);
1.102 kristaps 1002:
1.314 schwarze 1003: if (n->type == ROFFT_HEAD &&
1.278 schwarze 1004: NULL != n->next && NULL != n->next->child) {
1.263 schwarze 1005: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 1006: p->trailspace = 1;
1.185 schwarze 1007: p->rmargin = p->offset + term_len(p, 1);
1008: if (NULL == n->child) {
1.245 schwarze 1009: p->rmargin += term_strlen(p, meta->name);
1.314 schwarze 1010: } else if (n->child->type == ROFFT_TEXT) {
1.185 schwarze 1011: p->rmargin += term_strlen(p, n->child->string);
1012: if (n->child->next)
1013: p->flags |= TERMP_HANG;
1014: } else {
1015: p->rmargin += term_len(p, 5);
1016: p->flags |= TERMP_HANG;
1017: }
1.164 schwarze 1018: }
1019:
1.102 kristaps 1020: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1021: return 1;
1.1 kristaps 1022: }
1023:
1.164 schwarze 1024: static void
1025: termp_nm_post(DECL_ARGS)
1026: {
1027:
1.314 schwarze 1028: if (n->type == ROFFT_BLOCK) {
1.253 schwarze 1029: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.314 schwarze 1030: } else if (n->type == ROFFT_HEAD &&
1.278 schwarze 1031: NULL != n->next && NULL != n->next->child) {
1.164 schwarze 1032: term_flushln(p);
1.263 schwarze 1033: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 1034: p->trailspace = 0;
1.314 schwarze 1035: } else if (n->type == ROFFT_BODY && n->child != NULL)
1.164 schwarze 1036: term_flushln(p);
1037: }
1038:
1.1 kristaps 1039: static int
1040: termp_fl_pre(DECL_ARGS)
1041: {
1042:
1.320 schwarze 1043: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1044: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1045: term_word(p, "\\-");
1.103 kristaps 1046:
1.331 schwarze 1047: if (!(n->child == NULL &&
1.280 schwarze 1048: (n->next == NULL ||
1.314 schwarze 1049: n->next->type == ROFFT_TEXT ||
1.338 schwarze 1050: n->next->flags & NODE_LINE)))
1.103 kristaps 1051: p->flags |= TERMP_NOSPACE;
1052:
1.328 schwarze 1053: return 1;
1.1 kristaps 1054: }
1055:
1056: static int
1.184 kristaps 1057: termp__a_pre(DECL_ARGS)
1058: {
1059:
1060: if (n->prev && MDOC__A == n->prev->tok)
1061: if (NULL == n->next || MDOC__A != n->next->tok)
1062: term_word(p, "and");
1063:
1.328 schwarze 1064: return 1;
1.184 kristaps 1065: }
1066:
1067: static int
1.61 kristaps 1068: termp_an_pre(DECL_ARGS)
1069: {
1070:
1.282 schwarze 1071: if (n->norm->An.auth == AUTH_split) {
1072: p->flags &= ~TERMP_NOSPLIT;
1073: p->flags |= TERMP_SPLIT;
1.328 schwarze 1074: return 0;
1.282 schwarze 1075: }
1076: if (n->norm->An.auth == AUTH_nosplit) {
1077: p->flags &= ~TERMP_SPLIT;
1078: p->flags |= TERMP_NOSPLIT;
1.328 schwarze 1079: return 0;
1.282 schwarze 1080: }
1.264 schwarze 1081:
1.282 schwarze 1082: if (p->flags & TERMP_SPLIT)
1.61 kristaps 1083: term_newln(p);
1084:
1.282 schwarze 1085: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1086: p->flags |= TERMP_SPLIT;
1.61 kristaps 1087:
1.328 schwarze 1088: return 1;
1.61 kristaps 1089: }
1090:
1091: static int
1.1 kristaps 1092: termp_ns_pre(DECL_ARGS)
1093: {
1094:
1.338 schwarze 1095: if ( ! (NODE_LINE & n->flags))
1.215 kristaps 1096: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1097: return 1;
1.1 kristaps 1098: }
1099:
1100: static int
1101: termp_rs_pre(DECL_ARGS)
1102: {
1103:
1.86 kristaps 1104: if (SEC_SEE_ALSO != n->sec)
1.328 schwarze 1105: return 1;
1.314 schwarze 1106: if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1 kristaps 1107: term_vspace(p);
1.328 schwarze 1108: return 1;
1.1 kristaps 1109: }
1110:
1111: static int
1112: termp_ex_pre(DECL_ARGS)
1113: {
1.224 kristaps 1114: term_newln(p);
1.341 schwarze 1115: return 1;
1.1 kristaps 1116: }
1117:
1118: static int
1119: termp_nd_pre(DECL_ARGS)
1120: {
1.25 kristaps 1121:
1.314 schwarze 1122: if (n->type == ROFFT_BODY)
1.297 schwarze 1123: term_word(p, "\\(en");
1.328 schwarze 1124: return 1;
1.115 kristaps 1125: }
1126:
1127: static int
1128: termp_bl_pre(DECL_ARGS)
1129: {
1130:
1.328 schwarze 1131: return n->type != ROFFT_HEAD;
1.1 kristaps 1132: }
1133:
1134: static void
1135: termp_bl_post(DECL_ARGS)
1136: {
1137:
1.314 schwarze 1138: if (n->type == ROFFT_BLOCK)
1.1 kristaps 1139: term_newln(p);
1140: }
1141:
1142: static int
1143: termp_xr_pre(DECL_ARGS)
1144: {
1145:
1.225 kristaps 1146: if (NULL == (n = n->child))
1.328 schwarze 1147: return 0;
1.113 kristaps 1148:
1.314 schwarze 1149: assert(n->type == ROFFT_TEXT);
1.225 kristaps 1150: term_word(p, n->string);
1.11 kristaps 1151:
1.264 schwarze 1152: if (NULL == (n = n->next))
1.328 schwarze 1153: return 0;
1.225 kristaps 1154:
1.1 kristaps 1155: p->flags |= TERMP_NOSPACE;
1156: term_word(p, "(");
1.222 kristaps 1157: p->flags |= TERMP_NOSPACE;
1.225 kristaps 1158:
1.314 schwarze 1159: assert(n->type == ROFFT_TEXT);
1.225 kristaps 1160: term_word(p, n->string);
1161:
1.222 kristaps 1162: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1163: term_word(p, ")");
1.86 kristaps 1164:
1.328 schwarze 1165: return 0;
1.1 kristaps 1166: }
1167:
1.143 kristaps 1168: /*
1169: * This decides how to assert whitespace before any of the SYNOPSIS set
1170: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1171: * macro combos).
1172: */
1173: static void
1.315 schwarze 1174: synopsis_pre(struct termp *p, const struct roff_node *n)
1.143 kristaps 1175: {
1.264 schwarze 1176: /*
1.143 kristaps 1177: * Obviously, if we're not in a SYNOPSIS or no prior macros
1178: * exist, do nothing.
1179: */
1.338 schwarze 1180: if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.143 kristaps 1181: return;
1182:
1183: /*
1184: * If we're the second in a pair of like elements, emit our
1185: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1186: * case we soldier on.
1187: */
1.264 schwarze 1188: if (n->prev->tok == n->tok &&
1189: MDOC_Ft != n->tok &&
1190: MDOC_Fo != n->tok &&
1191: MDOC_Fn != n->tok) {
1.143 kristaps 1192: term_newln(p);
1193: return;
1194: }
1195:
1196: /*
1197: * If we're one of the SYNOPSIS set and non-like pair-wise after
1198: * another (or Fn/Fo, which we've let slip through) then assert
1199: * vertical space, else only newline and move on.
1200: */
1201: switch (n->prev->tok) {
1.264 schwarze 1202: case MDOC_Fd:
1203: case MDOC_Fn:
1204: case MDOC_Fo:
1205: case MDOC_In:
1206: case MDOC_Vt:
1.143 kristaps 1207: term_vspace(p);
1208: break;
1.264 schwarze 1209: case MDOC_Ft:
1.143 kristaps 1210: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1211: term_vspace(p);
1212: break;
1213: }
1214: /* FALLTHROUGH */
1215: default:
1216: term_newln(p);
1217: break;
1218: }
1219: }
1220:
1.110 kristaps 1221: static int
1222: termp_vt_pre(DECL_ARGS)
1223: {
1224:
1.314 schwarze 1225: if (n->type == ROFFT_ELEM) {
1.143 kristaps 1226: synopsis_pre(p, n);
1.328 schwarze 1227: return termp_under_pre(p, pair, meta, n);
1.314 schwarze 1228: } else if (n->type == ROFFT_BLOCK) {
1.143 kristaps 1229: synopsis_pre(p, n);
1.328 schwarze 1230: return 1;
1.314 schwarze 1231: } else if (n->type == ROFFT_HEAD)
1.328 schwarze 1232: return 0;
1.110 kristaps 1233:
1.328 schwarze 1234: return termp_under_pre(p, pair, meta, n);
1.110 kristaps 1235: }
1236:
1.1 kristaps 1237: static int
1.69 kristaps 1238: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1239: {
1240:
1.320 schwarze 1241: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1242: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1243: return 1;
1.1 kristaps 1244: }
1245:
1.143 kristaps 1246: static int
1247: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1248: {
1249:
1.143 kristaps 1250: synopsis_pre(p, n);
1.328 schwarze 1251: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1252: }
1253:
1.241 schwarze 1254: static void
1255: termp_fd_post(DECL_ARGS)
1256: {
1257:
1258: term_newln(p);
1259: }
1260:
1.1 kristaps 1261: static int
1262: termp_sh_pre(DECL_ARGS)
1263: {
1.85 kristaps 1264:
1.86 kristaps 1265: switch (n->type) {
1.314 schwarze 1266: case ROFFT_BLOCK:
1.293 schwarze 1267: /*
1268: * Vertical space before sections, except
1269: * when the previous section was empty.
1270: */
1271: if (n->prev == NULL ||
1.322 schwarze 1272: n->prev->tok != MDOC_Sh ||
1.293 schwarze 1273: (n->prev->body != NULL &&
1274: n->prev->body->child != NULL))
1275: term_vspace(p);
1.65 kristaps 1276: break;
1.314 schwarze 1277: case ROFFT_HEAD:
1.102 kristaps 1278: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1279: break;
1.314 schwarze 1280: case ROFFT_BODY:
1.238 schwarze 1281: p->offset = term_len(p, p->defindent);
1.322 schwarze 1282: switch (n->sec) {
1283: case SEC_DESCRIPTION:
1284: fn_prio = 0;
1285: break;
1286: case SEC_AUTHORS:
1.239 schwarze 1287: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.322 schwarze 1288: break;
1289: default:
1290: break;
1291: }
1.1 kristaps 1292: break;
1293: default:
1294: break;
1295: }
1.328 schwarze 1296: return 1;
1.1 kristaps 1297: }
1298:
1299: static void
1300: termp_sh_post(DECL_ARGS)
1301: {
1302:
1.86 kristaps 1303: switch (n->type) {
1.314 schwarze 1304: case ROFFT_HEAD:
1.1 kristaps 1305: term_newln(p);
1306: break;
1.314 schwarze 1307: case ROFFT_BODY:
1.1 kristaps 1308: term_newln(p);
1309: p->offset = 0;
1310: break;
1311: default:
1312: break;
1313: }
1314: }
1315:
1316: static void
1317: termp_lb_post(DECL_ARGS)
1318: {
1319:
1.338 schwarze 1320: if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
1.81 kristaps 1321: term_newln(p);
1.1 kristaps 1322: }
1323:
1324: static int
1325: termp_d1_pre(DECL_ARGS)
1326: {
1327:
1.314 schwarze 1328: if (n->type != ROFFT_BLOCK)
1.328 schwarze 1329: return 1;
1.1 kristaps 1330: term_newln(p);
1.238 schwarze 1331: p->offset += term_len(p, p->defindent + 1);
1.328 schwarze 1332: return 1;
1.1 kristaps 1333: }
1334:
1335: static int
1336: termp_ft_pre(DECL_ARGS)
1337: {
1338:
1.338 schwarze 1339: /* NB: NODE_LINE does not effect this! */
1.143 kristaps 1340: synopsis_pre(p, n);
1.102 kristaps 1341: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 1342: return 1;
1.1 kristaps 1343: }
1344:
1345: static int
1346: termp_fn_pre(DECL_ARGS)
1347: {
1.257 schwarze 1348: size_t rmargin = 0;
1.226 kristaps 1349: int pretty;
1350:
1.338 schwarze 1351: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1352:
1.143 kristaps 1353: synopsis_pre(p, n);
1.139 kristaps 1354:
1.226 kristaps 1355: if (NULL == (n = n->child))
1.328 schwarze 1356: return 0;
1.226 kristaps 1357:
1.251 schwarze 1358: if (pretty) {
1359: rmargin = p->rmargin;
1.257 schwarze 1360: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 1361: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251 schwarze 1362: }
1363:
1.314 schwarze 1364: assert(n->type == ROFFT_TEXT);
1.102 kristaps 1365: term_fontpush(p, TERMFONT_BOLD);
1.226 kristaps 1366: term_word(p, n->string);
1.102 kristaps 1367: term_fontpop(p);
1.1 kristaps 1368:
1.336 schwarze 1369: if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.324 schwarze 1370: tag_put(n->string, ++fn_prio, p->line);
1.322 schwarze 1371:
1.251 schwarze 1372: if (pretty) {
1373: term_flushln(p);
1.263 schwarze 1374: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251 schwarze 1375: p->offset = p->rmargin;
1376: p->rmargin = rmargin;
1377: }
1378:
1.1 kristaps 1379: p->flags |= TERMP_NOSPACE;
1380: term_word(p, "(");
1.222 kristaps 1381: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1382:
1.226 kristaps 1383: for (n = n->next; n; n = n->next) {
1.314 schwarze 1384: assert(n->type == ROFFT_TEXT);
1.102 kristaps 1385: term_fontpush(p, TERMFONT_UNDER);
1.255 schwarze 1386: if (pretty)
1387: p->flags |= TERMP_NBRWORD;
1.226 kristaps 1388: term_word(p, n->string);
1.102 kristaps 1389: term_fontpop(p);
1390:
1.226 kristaps 1391: if (n->next) {
1.222 kristaps 1392: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1393: term_word(p, ",");
1.222 kristaps 1394: }
1.1 kristaps 1395: }
1396:
1.222 kristaps 1397: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1398: term_word(p, ")");
1399:
1.226 kristaps 1400: if (pretty) {
1.222 kristaps 1401: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1402: term_word(p, ";");
1.251 schwarze 1403: term_flushln(p);
1.222 kristaps 1404: }
1.1 kristaps 1405:
1.328 schwarze 1406: return 0;
1.1 kristaps 1407: }
1408:
1409: static int
1410: termp_fa_pre(DECL_ARGS)
1411: {
1.315 schwarze 1412: const struct roff_node *nn;
1.1 kristaps 1413:
1.86 kristaps 1414: if (n->parent->tok != MDOC_Fo) {
1.102 kristaps 1415: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 1416: return 1;
1.1 kristaps 1417: }
1418:
1.86 kristaps 1419: for (nn = n->child; nn; nn = nn->next) {
1.102 kristaps 1420: term_fontpush(p, TERMFONT_UNDER);
1.258 schwarze 1421: p->flags |= TERMP_NBRWORD;
1.86 kristaps 1422: term_word(p, nn->string);
1.102 kristaps 1423: term_fontpop(p);
1424:
1.256 schwarze 1425: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222 kristaps 1426: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1427: term_word(p, ",");
1.222 kristaps 1428: }
1.1 kristaps 1429: }
1430:
1.328 schwarze 1431: return 0;
1.1 kristaps 1432: }
1433:
1434: static int
1435: termp_bd_pre(DECL_ARGS)
1436: {
1.272 schwarze 1437: size_t tabwidth, lm, len, rm, rmax;
1.315 schwarze 1438: struct roff_node *nn;
1.302 schwarze 1439: int offset;
1.1 kristaps 1440:
1.314 schwarze 1441: if (n->type == ROFFT_BLOCK) {
1.151 kristaps 1442: print_bvspace(p, n, n);
1.328 schwarze 1443: return 1;
1.314 schwarze 1444: } else if (n->type == ROFFT_HEAD)
1.328 schwarze 1445: return 0;
1.1 kristaps 1446:
1.288 schwarze 1447: /* Handle the -offset argument. */
1448:
1449: if (n->norm->Bd.offs == NULL ||
1450: ! strcmp(n->norm->Bd.offs, "left"))
1451: /* nothing */;
1452: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1453: p->offset += term_len(p, p->defindent + 1);
1454: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1455: p->offset += term_len(p, (p->defindent + 1) * 2);
1.302 schwarze 1456: else {
1457: offset = a2width(p, n->norm->Bd.offs);
1458: if (offset < 0 && (size_t)(-offset) > p->offset)
1459: p->offset = 0;
1460: else if (offset < SHRT_MAX)
1461: p->offset += offset;
1462: }
1.85 kristaps 1463:
1464: /*
1465: * If -ragged or -filled are specified, the block does nothing
1466: * but change the indentation. If -unfilled or -literal are
1467: * specified, text is printed exactly as entered in the display:
1468: * for macro lines, a newline is appended to the line. Blank
1469: * lines are allowed.
1470: */
1.264 schwarze 1471:
1472: if (DISP_literal != n->norm->Bd.type &&
1.272 schwarze 1473: DISP_unfilled != n->norm->Bd.type &&
1474: DISP_centered != n->norm->Bd.type)
1.328 schwarze 1475: return 1;
1.1 kristaps 1476:
1.129 schwarze 1477: tabwidth = p->tabwidth;
1.208 kristaps 1478: if (DISP_literal == n->norm->Bd.type)
1479: p->tabwidth = term_len(p, 8);
1480:
1.272 schwarze 1481: lm = p->offset;
1.119 kristaps 1482: rm = p->rmargin;
1483: rmax = p->maxrmargin;
1.120 kristaps 1484: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1485:
1.86 kristaps 1486: for (nn = n->child; nn; nn = nn->next) {
1.272 schwarze 1487: if (DISP_centered == n->norm->Bd.type) {
1.314 schwarze 1488: if (nn->type == ROFFT_TEXT) {
1.272 schwarze 1489: len = term_strlen(p, nn->string);
1490: p->offset = len >= rm ? 0 :
1491: lm + len >= rm ? rm - len :
1492: (lm + rm - len) / 2;
1493: } else
1494: p->offset = lm;
1495: }
1.245 schwarze 1496: print_mdoc_node(p, pair, meta, nn);
1.190 kristaps 1497: /*
1498: * If the printed node flushes its own line, then we
1499: * needn't do it here as well. This is hacky, but the
1500: * notion of selective eoln whitespace is pretty dumb
1501: * anyway, so don't sweat it.
1502: */
1503: switch (nn->tok) {
1.264 schwarze 1504: case MDOC_Sm:
1505: case MDOC_br:
1506: case MDOC_sp:
1507: case MDOC_Bl:
1508: case MDOC_D1:
1509: case MDOC_Dl:
1510: case MDOC_Lp:
1511: case MDOC_Pp:
1.190 kristaps 1512: continue;
1513: default:
1514: break;
1515: }
1.299 schwarze 1516: if (p->flags & TERMP_NONEWLINE ||
1.338 schwarze 1517: (nn->next && ! (nn->next->flags & NODE_LINE)))
1.180 schwarze 1518: continue;
1519: term_flushln(p);
1520: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1521: }
1.147 kristaps 1522:
1.129 schwarze 1523: p->tabwidth = tabwidth;
1.119 kristaps 1524: p->rmargin = rm;
1525: p->maxrmargin = rmax;
1.328 schwarze 1526: return 0;
1.1 kristaps 1527: }
1528:
1529: static void
1530: termp_bd_post(DECL_ARGS)
1531: {
1.119 kristaps 1532: size_t rm, rmax;
1.1 kristaps 1533:
1.314 schwarze 1534: if (n->type != ROFFT_BODY)
1.1 kristaps 1535: return;
1.118 kristaps 1536:
1.119 kristaps 1537: rm = p->rmargin;
1538: rmax = p->maxrmargin;
1.118 kristaps 1539:
1.264 schwarze 1540: if (DISP_literal == n->norm->Bd.type ||
1541: DISP_unfilled == n->norm->Bd.type)
1.120 kristaps 1542: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1543:
1.60 kristaps 1544: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1545: term_newln(p);
1.118 kristaps 1546:
1.119 kristaps 1547: p->rmargin = rm;
1548: p->maxrmargin = rmax;
1.1 kristaps 1549: }
1550:
1551: static int
1.26 kristaps 1552: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1553: {
1.339 schwarze 1554: if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
1555: p->flags |= TERMP_PREKEEP;
1556: return 1;
1557: }
1.1 kristaps 1558:
1.339 schwarze 1559: static void
1560: termp_xx_post(DECL_ARGS)
1561: {
1562: if (n->aux == 0)
1563: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1 kristaps 1564: }
1565:
1566: static void
1567: termp_pf_post(DECL_ARGS)
1568: {
1569:
1.338 schwarze 1570: if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.298 schwarze 1571: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1572: }
1573:
1574: static int
1575: termp_ss_pre(DECL_ARGS)
1576: {
1.337 schwarze 1577: struct roff_node *nn;
1.1 kristaps 1578:
1.86 kristaps 1579: switch (n->type) {
1.314 schwarze 1580: case ROFFT_BLOCK:
1.1 kristaps 1581: term_newln(p);
1.337 schwarze 1582: for (nn = n->prev; nn != NULL; nn = nn->prev)
1583: if ((nn->flags & NODE_NOPRT) == 0)
1584: break;
1585: if (nn != NULL)
1.1 kristaps 1586: term_vspace(p);
1587: break;
1.314 schwarze 1588: case ROFFT_HEAD:
1.102 kristaps 1589: term_fontpush(p, TERMFONT_BOLD);
1.238 schwarze 1590: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1591: break;
1.314 schwarze 1592: case ROFFT_BODY:
1.274 schwarze 1593: p->offset = term_len(p, p->defindent);
1594: break;
1.1 kristaps 1595: default:
1596: break;
1597: }
1598:
1.328 schwarze 1599: return 1;
1.1 kristaps 1600: }
1601:
1602: static void
1603: termp_ss_post(DECL_ARGS)
1604: {
1605:
1.314 schwarze 1606: if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1 kristaps 1607: term_newln(p);
1608: }
1609:
1610: static int
1611: termp_cd_pre(DECL_ARGS)
1612: {
1613:
1.143 kristaps 1614: synopsis_pre(p, n);
1.102 kristaps 1615: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1616: return 1;
1.1 kristaps 1617: }
1618:
1619: static int
1620: termp_in_pre(DECL_ARGS)
1621: {
1.142 schwarze 1622:
1.143 kristaps 1623: synopsis_pre(p, n);
1.1 kristaps 1624:
1.338 schwarze 1625: if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
1.138 kristaps 1626: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1627: term_word(p, "#include");
1.138 kristaps 1628: term_word(p, "<");
1629: } else {
1630: term_word(p, "<");
1631: term_fontpush(p, TERMFONT_UNDER);
1632: }
1.22 kristaps 1633:
1.1 kristaps 1634: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1635: return 1;
1.1 kristaps 1636: }
1637:
1638: static void
1639: termp_in_post(DECL_ARGS)
1640: {
1641:
1.338 schwarze 1642: if (NODE_SYNPRETTY & n->flags)
1.138 kristaps 1643: term_fontpush(p, TERMFONT_BOLD);
1644:
1.79 kristaps 1645: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1646: term_word(p, ">");
1647:
1.338 schwarze 1648: if (NODE_SYNPRETTY & n->flags)
1.138 kristaps 1649: term_fontpop(p);
1.1 kristaps 1650: }
1651:
1652: static int
1.45 kristaps 1653: termp_sp_pre(DECL_ARGS)
1654: {
1.300 schwarze 1655: struct roffsu su;
1.312 schwarze 1656: int i, len;
1.45 kristaps 1657:
1.86 kristaps 1658: switch (n->tok) {
1.264 schwarze 1659: case MDOC_sp:
1.300 schwarze 1660: if (n->child) {
1661: if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
1662: su.scale = 1.0;
1663: len = term_vspan(p, &su);
1664: } else
1665: len = 1;
1.76 kristaps 1666: break;
1.264 schwarze 1667: case MDOC_br:
1.76 kristaps 1668: len = 0;
1669: break;
1670: default:
1671: len = 1;
1.322 schwarze 1672: fn_prio = 0;
1.76 kristaps 1673: break;
1.45 kristaps 1674: }
1675:
1676: if (0 == len)
1677: term_newln(p);
1.312 schwarze 1678: else if (len < 0)
1679: p->skipvsp -= len;
1680: else
1681: for (i = 0; i < len; i++)
1682: term_vspace(p);
1.45 kristaps 1683:
1.328 schwarze 1684: return 0;
1.45 kristaps 1685: }
1686:
1687: static int
1.294 schwarze 1688: termp_skip_pre(DECL_ARGS)
1.268 schwarze 1689: {
1690:
1.328 schwarze 1691: return 0;
1.268 schwarze 1692: }
1693:
1694: static int
1.188 kristaps 1695: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1696: {
1697:
1.314 schwarze 1698: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.328 schwarze 1699: return 1;
1.1 kristaps 1700:
1.188 kristaps 1701: switch (n->tok) {
1.264 schwarze 1702: case MDOC_Ao:
1703: case MDOC_Aq:
1.331 schwarze 1704: term_word(p, n->child != NULL && n->child->next == NULL &&
1.303 schwarze 1705: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.188 kristaps 1706: break;
1.264 schwarze 1707: case MDOC_Bro:
1708: case MDOC_Brq:
1.188 kristaps 1709: term_word(p, "{");
1710: break;
1.264 schwarze 1711: case MDOC_Oo:
1712: case MDOC_Op:
1713: case MDOC_Bo:
1714: case MDOC_Bq:
1.188 kristaps 1715: term_word(p, "[");
1716: break;
1.264 schwarze 1717: case MDOC_Do:
1718: case MDOC_Dq:
1.311 schwarze 1719: term_word(p, "\\(Lq");
1.188 kristaps 1720: break;
1.268 schwarze 1721: case MDOC_En:
1722: if (NULL == n->norm->Es ||
1723: NULL == n->norm->Es->child)
1.328 schwarze 1724: return 1;
1.268 schwarze 1725: term_word(p, n->norm->Es->child->string);
1726: break;
1.264 schwarze 1727: case MDOC_Po:
1728: case MDOC_Pq:
1.188 kristaps 1729: term_word(p, "(");
1730: break;
1.264 schwarze 1731: case MDOC__T:
1732: case MDOC_Qo:
1733: case MDOC_Qq:
1.188 kristaps 1734: term_word(p, "\"");
1735: break;
1.264 schwarze 1736: case MDOC_Ql:
1737: case MDOC_So:
1738: case MDOC_Sq:
1.249 schwarze 1739: term_word(p, "\\(oq");
1.188 kristaps 1740: break;
1741: default:
1742: abort();
1743: }
1.1 kristaps 1744:
1745: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1746: return 1;
1.1 kristaps 1747: }
1748:
1749: static void
1.188 kristaps 1750: termp_quote_post(DECL_ARGS)
1.1 kristaps 1751: {
1752:
1.314 schwarze 1753: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1 kristaps 1754: return;
1755:
1.306 schwarze 1756: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1757:
1.188 kristaps 1758: switch (n->tok) {
1.264 schwarze 1759: case MDOC_Ao:
1760: case MDOC_Aq:
1.331 schwarze 1761: term_word(p, n->child != NULL && n->child->next == NULL &&
1.303 schwarze 1762: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.188 kristaps 1763: break;
1.264 schwarze 1764: case MDOC_Bro:
1765: case MDOC_Brq:
1.188 kristaps 1766: term_word(p, "}");
1767: break;
1.264 schwarze 1768: case MDOC_Oo:
1769: case MDOC_Op:
1770: case MDOC_Bo:
1771: case MDOC_Bq:
1.188 kristaps 1772: term_word(p, "]");
1773: break;
1.264 schwarze 1774: case MDOC_Do:
1775: case MDOC_Dq:
1.311 schwarze 1776: term_word(p, "\\(Rq");
1.268 schwarze 1777: break;
1778: case MDOC_En:
1.306 schwarze 1779: if (n->norm->Es == NULL ||
1780: n->norm->Es->child == NULL ||
1781: n->norm->Es->child->next == NULL)
1782: p->flags &= ~TERMP_NOSPACE;
1783: else
1.268 schwarze 1784: term_word(p, n->norm->Es->child->next->string);
1.188 kristaps 1785: break;
1.264 schwarze 1786: case MDOC_Po:
1787: case MDOC_Pq:
1.188 kristaps 1788: term_word(p, ")");
1789: break;
1.264 schwarze 1790: case MDOC__T:
1791: case MDOC_Qo:
1792: case MDOC_Qq:
1.188 kristaps 1793: term_word(p, "\"");
1794: break;
1.264 schwarze 1795: case MDOC_Ql:
1796: case MDOC_So:
1797: case MDOC_Sq:
1.249 schwarze 1798: term_word(p, "\\(cq");
1.188 kristaps 1799: break;
1800: default:
1801: abort();
1802: }
1.306 schwarze 1803: }
1804:
1805: static int
1806: termp_eo_pre(DECL_ARGS)
1807: {
1808:
1.314 schwarze 1809: if (n->type != ROFFT_BODY)
1.328 schwarze 1810: return 1;
1.306 schwarze 1811:
1812: if (n->end == ENDBODY_NOT &&
1813: n->parent->head->child == NULL &&
1814: n->child != NULL &&
1815: n->child->end != ENDBODY_NOT)
1816: term_word(p, "\\&");
1817: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.309 schwarze 1818: n->parent->head->child != NULL && (n->child != NULL ||
1819: (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.306 schwarze 1820: p->flags |= TERMP_NOSPACE;
1821:
1.328 schwarze 1822: return 1;
1.306 schwarze 1823: }
1824:
1825: static void
1826: termp_eo_post(DECL_ARGS)
1827: {
1828: int body, tail;
1829:
1.314 schwarze 1830: if (n->type != ROFFT_BODY)
1.306 schwarze 1831: return;
1832:
1833: if (n->end != ENDBODY_NOT) {
1834: p->flags &= ~TERMP_NOSPACE;
1835: return;
1836: }
1837:
1838: body = n->child != NULL || n->parent->head->child != NULL;
1839: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1840:
1841: if (body && tail)
1842: p->flags |= TERMP_NOSPACE;
1843: else if ( ! (body || tail))
1844: term_word(p, "\\&");
1845: else if ( ! tail)
1846: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1847: }
1848:
1849: static int
1850: termp_fo_pre(DECL_ARGS)
1851: {
1.257 schwarze 1852: size_t rmargin = 0;
1.256 schwarze 1853: int pretty;
1854:
1.338 schwarze 1855: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1856:
1.314 schwarze 1857: if (n->type == ROFFT_BLOCK) {
1.143 kristaps 1858: synopsis_pre(p, n);
1.328 schwarze 1859: return 1;
1.314 schwarze 1860: } else if (n->type == ROFFT_BODY) {
1.256 schwarze 1861: if (pretty) {
1862: rmargin = p->rmargin;
1.257 schwarze 1863: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 1864: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1865: TERMP_HANG;
1.256 schwarze 1866: }
1.33 kristaps 1867: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1868: term_word(p, "(");
1.222 kristaps 1869: p->flags |= TERMP_NOSPACE;
1.256 schwarze 1870: if (pretty) {
1871: term_flushln(p);
1.263 schwarze 1872: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1873: TERMP_HANG);
1.256 schwarze 1874: p->offset = p->rmargin;
1875: p->rmargin = rmargin;
1876: }
1.328 schwarze 1877: return 1;
1.256 schwarze 1878: }
1.141 kristaps 1879:
1.169 kristaps 1880: if (NULL == n->child)
1.328 schwarze 1881: return 0;
1.169 kristaps 1882:
1.141 kristaps 1883: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 1884:
1.141 kristaps 1885: assert(n->child->string);
1.102 kristaps 1886: term_fontpush(p, TERMFONT_BOLD);
1.141 kristaps 1887: term_word(p, n->child->string);
1.328 schwarze 1888: return 0;
1.1 kristaps 1889: }
1890:
1891: static void
1892: termp_fo_post(DECL_ARGS)
1893: {
1894:
1.314 schwarze 1895: if (n->type != ROFFT_BODY)
1.143 kristaps 1896: return;
1897:
1.222 kristaps 1898: p->flags |= TERMP_NOSPACE;
1.143 kristaps 1899: term_word(p, ")");
1900:
1.338 schwarze 1901: if (NODE_SYNPRETTY & n->flags) {
1.222 kristaps 1902: p->flags |= TERMP_NOSPACE;
1.143 kristaps 1903: term_word(p, ";");
1.256 schwarze 1904: term_flushln(p);
1.222 kristaps 1905: }
1.1 kristaps 1906: }
1907:
1908: static int
1909: termp_bf_pre(DECL_ARGS)
1910: {
1911:
1.314 schwarze 1912: if (n->type == ROFFT_HEAD)
1.328 schwarze 1913: return 0;
1.314 schwarze 1914: else if (n->type != ROFFT_BODY)
1.328 schwarze 1915: return 1;
1.1 kristaps 1916:
1.264 schwarze 1917: if (FONT_Em == n->norm->Bf.font)
1.102 kristaps 1918: term_fontpush(p, TERMFONT_UNDER);
1.264 schwarze 1919: else if (FONT_Sy == n->norm->Bf.font)
1.102 kristaps 1920: term_fontpush(p, TERMFONT_BOLD);
1.264 schwarze 1921: else
1.102 kristaps 1922: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 1923:
1.328 schwarze 1924: return 1;
1.1 kristaps 1925: }
1926:
1927: static int
1928: termp_sm_pre(DECL_ARGS)
1929: {
1930:
1.269 schwarze 1931: if (NULL == n->child)
1932: p->flags ^= TERMP_NONOSPACE;
1933: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 1934: p->flags &= ~TERMP_NONOSPACE;
1.269 schwarze 1935: else
1.1 kristaps 1936: p->flags |= TERMP_NONOSPACE;
1.269 schwarze 1937:
1938: if (p->col && ! (TERMP_NONOSPACE & p->flags))
1939: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1940:
1.328 schwarze 1941: return 0;
1.1 kristaps 1942: }
1943:
1944: static int
1945: termp_ap_pre(DECL_ARGS)
1946: {
1947:
1948: p->flags |= TERMP_NOSPACE;
1.188 kristaps 1949: term_word(p, "'");
1.1 kristaps 1950: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1951: return 1;
1.1 kristaps 1952: }
1953:
1954: static void
1955: termp____post(DECL_ARGS)
1956: {
1.184 kristaps 1957:
1958: /*
1959: * Handle lists of authors. In general, print each followed by
1960: * a comma. Don't print the comma if there are only two
1961: * authors.
1962: */
1963: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
1964: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
1965: if (NULL == n->prev || MDOC__A != n->prev->tok)
1966: return;
1.1 kristaps 1967:
1.95 kristaps 1968: /* TODO: %U. */
1969:
1.187 kristaps 1970: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
1971: return;
1972:
1.222 kristaps 1973: p->flags |= TERMP_NOSPACE;
1.186 kristaps 1974: if (NULL == n->next) {
1975: term_word(p, ".");
1976: p->flags |= TERMP_SENTENCE;
1977: } else
1978: term_word(p, ",");
1.1 kristaps 1979: }
1980:
1981: static int
1.102 kristaps 1982: termp_li_pre(DECL_ARGS)
1983: {
1984:
1.335 schwarze 1985: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1986: term_fontpush(p, TERMFONT_NONE);
1.328 schwarze 1987: return 1;
1.102 kristaps 1988: }
1989:
1990: static int
1.1 kristaps 1991: termp_lk_pre(DECL_ARGS)
1992: {
1.315 schwarze 1993: const struct roff_node *link, *descr;
1.1 kristaps 1994:
1.240 schwarze 1995: if (NULL == (link = n->child))
1.328 schwarze 1996: return 0;
1.181 kristaps 1997:
1.240 schwarze 1998: if (NULL != (descr = link->next)) {
1999: term_fontpush(p, TERMFONT_UNDER);
2000: while (NULL != descr) {
2001: term_word(p, descr->string);
2002: descr = descr->next;
2003: }
2004: p->flags |= TERMP_NOSPACE;
2005: term_word(p, ":");
2006: term_fontpop(p);
2007: }
1.1 kristaps 2008:
1.102 kristaps 2009: term_fontpush(p, TERMFONT_BOLD);
1.240 schwarze 2010: term_word(p, link->string);
1.102 kristaps 2011: term_fontpop(p);
1.12 kristaps 2012:
1.328 schwarze 2013: return 0;
1.1 kristaps 2014: }
2015:
1.159 schwarze 2016: static int
2017: termp_bk_pre(DECL_ARGS)
2018: {
2019:
1.161 schwarze 2020: switch (n->type) {
1.314 schwarze 2021: case ROFFT_BLOCK:
1.166 kristaps 2022: break;
1.314 schwarze 2023: case ROFFT_HEAD:
1.328 schwarze 2024: return 0;
1.314 schwarze 2025: case ROFFT_BODY:
1.331 schwarze 2026: if (n->parent->args != NULL || n->prev->child == NULL)
1.200 schwarze 2027: p->flags |= TERMP_PREKEEP;
1.166 kristaps 2028: break;
1.161 schwarze 2029: default:
2030: abort();
2031: }
1.166 kristaps 2032:
1.328 schwarze 2033: return 1;
1.159 schwarze 2034: }
2035:
2036: static void
2037: termp_bk_post(DECL_ARGS)
2038: {
2039:
1.314 schwarze 2040: if (n->type == ROFFT_BODY)
1.161 schwarze 2041: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203 kristaps 2042: }
2043:
2044: static void
2045: termp__t_post(DECL_ARGS)
2046: {
2047:
2048: /*
2049: * If we're in an `Rs' and there's a journal present, then quote
2050: * us instead of underlining us (for disambiguation).
2051: */
1.217 schwarze 2052: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2053: n->parent->norm->Rs.quote_T)
1.245 schwarze 2054: termp_quote_post(p, pair, meta, n);
1.203 kristaps 2055:
1.245 schwarze 2056: termp____post(p, pair, meta, n);
1.203 kristaps 2057: }
2058:
2059: static int
2060: termp__t_pre(DECL_ARGS)
2061: {
2062:
2063: /*
2064: * If we're in an `Rs' and there's a journal present, then quote
2065: * us instead of underlining us (for disambiguation).
2066: */
2067: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2068: n->parent->norm->Rs.quote_T)
1.328 schwarze 2069: return termp_quote_pre(p, pair, meta, n);
1.203 kristaps 2070:
2071: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 2072: return 1;
1.159 schwarze 2073: }
1.1 kristaps 2074:
2075: static int
1.69 kristaps 2076: termp_under_pre(DECL_ARGS)
1.1 kristaps 2077: {
2078:
1.102 kristaps 2079: term_fontpush(p, TERMFONT_UNDER);
1.334 schwarze 2080: return 1;
2081: }
2082:
2083: static int
2084: termp_em_pre(DECL_ARGS)
2085: {
2086: if (n->child != NULL &&
2087: n->child->type == ROFFT_TEXT)
2088: tag_put(n->child->string, 0, p->line);
2089: term_fontpush(p, TERMFONT_UNDER);
2090: return 1;
2091: }
2092:
2093: static int
2094: termp_sy_pre(DECL_ARGS)
2095: {
2096: if (n->child != NULL &&
2097: n->child->type == ROFFT_TEXT)
2098: tag_put(n->child->string, 0, p->line);
2099: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 2100: return 1;
1.323 schwarze 2101: }
2102:
2103: static int
2104: termp_er_pre(DECL_ARGS)
2105: {
2106:
2107: if (n->sec == SEC_ERRORS &&
2108: (n->parent->tok == MDOC_It ||
2109: (n->parent->tok == MDOC_Bq &&
1.324 schwarze 2110: n->parent->parent->parent->tok == MDOC_It)))
2111: tag_put(n->child->string, 1, p->line);
1.328 schwarze 2112: return 1;
1.320 schwarze 2113: }
2114:
2115: static int
2116: termp_tag_pre(DECL_ARGS)
2117: {
2118:
2119: if (n->child != NULL &&
2120: n->child->type == ROFFT_TEXT &&
1.333 schwarze 2121: (n->prev == NULL ||
2122: (n->prev->type == ROFFT_TEXT &&
2123: strcmp(n->prev->string, "|") == 0)) &&
1.320 schwarze 2124: (n->parent->tok == MDOC_It ||
2125: (n->parent->tok == MDOC_Xo &&
2126: n->parent->parent->prev == NULL &&
1.324 schwarze 2127: n->parent->parent->parent->tok == MDOC_It)))
2128: tag_put(n->child->string, 1, p->line);
1.328 schwarze 2129: return 1;
1.84 kristaps 2130: }
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