Annotation of mandoc/mdoc_term.c, Revision 1.262
1.262 ! schwarze 1: /* $Id: mdoc_term.c,v 1.261 2014/03/30 21:28:01 schwarze Exp $ */
1.1 kristaps 2: /*
1.217 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.259 schwarze 4: * Copyright (c) 2010, 2012, 2013, 2014 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: *
1.6 kristaps 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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: #ifdef HAVE_CONFIG_H
20: #include "config.h"
21: #endif
22:
1.1 kristaps 23: #include <sys/types.h>
24:
25: #include <assert.h>
26: #include <ctype.h>
1.118 kristaps 27: #include <stdint.h>
1.1 kristaps 28: #include <stdio.h>
29: #include <stdlib.h>
30: #include <string.h>
31:
1.125 kristaps 32: #include "mandoc.h"
1.92 kristaps 33: #include "out.h"
1.1 kristaps 34: #include "term.h"
35: #include "mdoc.h"
1.89 kristaps 36: #include "main.h"
1.1 kristaps 37:
38: struct termpair {
39: struct termpair *ppair;
1.31 kristaps 40: int count;
1.1 kristaps 41: };
42:
1.31 kristaps 43: #define DECL_ARGS struct termp *p, \
44: struct termpair *pair, \
1.245 schwarze 45: const struct mdoc_meta *meta, \
1.244 schwarze 46: struct mdoc_node *n
1.1 kristaps 47:
48: struct termact {
49: int (*pre)(DECL_ARGS);
50: void (*post)(DECL_ARGS);
51: };
52:
1.157 kristaps 53: static size_t a2width(const struct termp *, const char *);
54: static size_t a2height(const struct termp *, const char *);
55: static size_t a2offs(const struct termp *, const char *);
1.96 kristaps 56:
57: static void print_bvspace(struct termp *,
1.151 kristaps 58: const struct mdoc_node *,
1.96 kristaps 59: const struct mdoc_node *);
1.102 kristaps 60: static void print_mdoc_node(DECL_ARGS);
1.145 kristaps 61: static void print_mdoc_nodelist(DECL_ARGS);
1.144 kristaps 62: static void print_mdoc_head(struct termp *, const void *);
1.145 kristaps 63: static void print_mdoc_foot(struct termp *, const void *);
1.143 kristaps 64: static void synopsis_pre(struct termp *,
65: const struct mdoc_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);
1.61 kristaps 69: static void termp_an_post(DECL_ARGS);
1.31 kristaps 70: static void termp_bd_post(DECL_ARGS);
1.159 schwarze 71: static void termp_bk_post(DECL_ARGS);
1.31 kristaps 72: static void termp_bl_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);
83:
1.184 kristaps 84: static int termp__a_pre(DECL_ARGS);
1.203 kristaps 85: static int termp__t_pre(DECL_ARGS);
1.61 kristaps 86: static int termp_an_pre(DECL_ARGS);
1.31 kristaps 87: static int termp_ap_pre(DECL_ARGS);
88: static int termp_bd_pre(DECL_ARGS);
89: static int termp_bf_pre(DECL_ARGS);
1.159 schwarze 90: static int termp_bk_pre(DECL_ARGS);
1.115 kristaps 91: static int termp_bl_pre(DECL_ARGS);
1.69 kristaps 92: static int termp_bold_pre(DECL_ARGS);
1.31 kristaps 93: static int termp_bt_pre(DECL_ARGS);
1.211 kristaps 94: static int termp_bx_pre(DECL_ARGS);
1.31 kristaps 95: static int termp_cd_pre(DECL_ARGS);
96: static int termp_d1_pre(DECL_ARGS);
97: static int termp_ex_pre(DECL_ARGS);
98: static int termp_fa_pre(DECL_ARGS);
1.188 kristaps 99: static int termp_fd_pre(DECL_ARGS);
1.31 kristaps 100: static int termp_fl_pre(DECL_ARGS);
101: static int termp_fn_pre(DECL_ARGS);
102: static int termp_fo_pre(DECL_ARGS);
103: static int termp_ft_pre(DECL_ARGS);
104: static int termp_in_pre(DECL_ARGS);
105: static int termp_it_pre(DECL_ARGS);
1.102 kristaps 106: static int termp_li_pre(DECL_ARGS);
1.260 schwarze 107: static int termp_ll_pre(DECL_ARGS);
1.31 kristaps 108: static int termp_lk_pre(DECL_ARGS);
109: static int termp_nd_pre(DECL_ARGS);
110: static int termp_nm_pre(DECL_ARGS);
111: static int termp_ns_pre(DECL_ARGS);
1.188 kristaps 112: static int termp_quote_pre(DECL_ARGS);
1.31 kristaps 113: static int termp_rs_pre(DECL_ARGS);
114: static int termp_rv_pre(DECL_ARGS);
115: static int termp_sh_pre(DECL_ARGS);
116: static int termp_sm_pre(DECL_ARGS);
1.45 kristaps 117: static int termp_sp_pre(DECL_ARGS);
1.31 kristaps 118: static int termp_ss_pre(DECL_ARGS);
1.69 kristaps 119: static int termp_under_pre(DECL_ARGS);
1.31 kristaps 120: static int termp_ud_pre(DECL_ARGS);
1.110 kristaps 121: static int termp_vt_pre(DECL_ARGS);
1.31 kristaps 122: static int termp_xr_pre(DECL_ARGS);
123: static int termp_xx_pre(DECL_ARGS);
124:
1.70 kristaps 125: static const struct termact termacts[MDOC_MAX] = {
1.14 kristaps 126: { termp_ap_pre, NULL }, /* Ap */
1.1 kristaps 127: { NULL, NULL }, /* Dd */
128: { NULL, NULL }, /* Dt */
129: { NULL, NULL }, /* Os */
130: { termp_sh_pre, termp_sh_post }, /* Sh */
131: { termp_ss_pre, termp_ss_post }, /* Ss */
1.76 kristaps 132: { termp_sp_pre, NULL }, /* Pp */
1.241 schwarze 133: { termp_d1_pre, termp_bl_post }, /* D1 */
134: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 135: { termp_bd_pre, termp_bd_post }, /* Bd */
136: { NULL, NULL }, /* Ed */
1.115 kristaps 137: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 138: { NULL, NULL }, /* El */
139: { termp_it_pre, termp_it_post }, /* It */
1.178 kristaps 140: { termp_under_pre, NULL }, /* Ad */
1.61 kristaps 141: { termp_an_pre, termp_an_post }, /* An */
1.69 kristaps 142: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 143: { termp_cd_pre, NULL }, /* Cd */
1.69 kristaps 144: { termp_bold_pre, NULL }, /* Cm */
1.1 kristaps 145: { NULL, NULL }, /* Dv */
146: { NULL, NULL }, /* Er */
147: { NULL, NULL }, /* Ev */
148: { termp_ex_pre, NULL }, /* Ex */
149: { termp_fa_pre, NULL }, /* Fa */
1.241 schwarze 150: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 151: { termp_fl_pre, NULL }, /* Fl */
1.143 kristaps 152: { termp_fn_pre, NULL }, /* Fn */
1.141 kristaps 153: { termp_ft_pre, NULL }, /* Ft */
1.69 kristaps 154: { termp_bold_pre, NULL }, /* Ic */
1.1 kristaps 155: { termp_in_pre, termp_in_post }, /* In */
1.102 kristaps 156: { termp_li_pre, NULL }, /* Li */
1.1 kristaps 157: { termp_nd_pre, NULL }, /* Nd */
1.164 schwarze 158: { termp_nm_pre, termp_nm_post }, /* Nm */
1.188 kristaps 159: { termp_quote_pre, termp_quote_post }, /* Op */
1.1 kristaps 160: { NULL, NULL }, /* Ot */
1.69 kristaps 161: { termp_under_pre, NULL }, /* Pa */
1.1 kristaps 162: { termp_rv_pre, NULL }, /* Rv */
1.36 kristaps 163: { NULL, NULL }, /* St */
1.69 kristaps 164: { termp_under_pre, NULL }, /* Va */
1.143 kristaps 165: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 166: { termp_xr_pre, NULL }, /* Xr */
1.184 kristaps 167: { termp__a_pre, termp____post }, /* %A */
1.84 kristaps 168: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 169: { NULL, termp____post }, /* %D */
1.84 kristaps 170: { termp_under_pre, termp____post }, /* %I */
1.69 kristaps 171: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 172: { NULL, termp____post }, /* %N */
173: { NULL, termp____post }, /* %O */
174: { NULL, termp____post }, /* %P */
175: { NULL, termp____post }, /* %R */
1.203 kristaps 176: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 177: { NULL, termp____post }, /* %V */
178: { NULL, NULL }, /* Ac */
1.188 kristaps 179: { termp_quote_pre, termp_quote_post }, /* Ao */
180: { termp_quote_pre, termp_quote_post }, /* Aq */
1.35 kristaps 181: { NULL, NULL }, /* At */
1.1 kristaps 182: { NULL, NULL }, /* Bc */
183: { termp_bf_pre, NULL }, /* Bf */
1.188 kristaps 184: { termp_quote_pre, termp_quote_post }, /* Bo */
185: { termp_quote_pre, termp_quote_post }, /* Bq */
1.26 kristaps 186: { termp_xx_pre, NULL }, /* Bsx */
1.211 kristaps 187: { termp_bx_pre, NULL }, /* Bx */
1.1 kristaps 188: { NULL, NULL }, /* Db */
189: { NULL, NULL }, /* Dc */
1.188 kristaps 190: { termp_quote_pre, termp_quote_post }, /* Do */
191: { termp_quote_pre, termp_quote_post }, /* Dq */
1.112 kristaps 192: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 193: { NULL, NULL }, /* Ef */
1.69 kristaps 194: { termp_under_pre, NULL }, /* Em */
1.237 schwarze 195: { termp_quote_pre, termp_quote_post }, /* Eo */
1.26 kristaps 196: { termp_xx_pre, NULL }, /* Fx */
1.176 kristaps 197: { termp_bold_pre, NULL }, /* Ms */
1.254 schwarze 198: { NULL, NULL }, /* No */
1.1 kristaps 199: { termp_ns_pre, NULL }, /* Ns */
1.26 kristaps 200: { termp_xx_pre, NULL }, /* Nx */
201: { termp_xx_pre, NULL }, /* Ox */
1.1 kristaps 202: { NULL, NULL }, /* Pc */
1.254 schwarze 203: { NULL, termp_pf_post }, /* Pf */
1.188 kristaps 204: { termp_quote_pre, termp_quote_post }, /* Po */
205: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 206: { NULL, NULL }, /* Qc */
1.188 kristaps 207: { termp_quote_pre, termp_quote_post }, /* Ql */
208: { termp_quote_pre, termp_quote_post }, /* Qo */
209: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 210: { NULL, NULL }, /* Re */
211: { termp_rs_pre, NULL }, /* Rs */
212: { NULL, NULL }, /* Sc */
1.188 kristaps 213: { termp_quote_pre, termp_quote_post }, /* So */
214: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 215: { termp_sm_pre, NULL }, /* Sm */
1.69 kristaps 216: { termp_under_pre, NULL }, /* Sx */
217: { termp_bold_pre, NULL }, /* Sy */
1.1 kristaps 218: { NULL, NULL }, /* Tn */
1.26 kristaps 219: { termp_xx_pre, NULL }, /* Ux */
1.1 kristaps 220: { NULL, NULL }, /* Xc */
221: { NULL, NULL }, /* Xo */
222: { termp_fo_pre, termp_fo_post }, /* Fo */
223: { NULL, NULL }, /* Fc */
1.188 kristaps 224: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 225: { NULL, NULL }, /* Oc */
1.159 schwarze 226: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 227: { NULL, NULL }, /* Ek */
228: { termp_bt_pre, NULL }, /* Bt */
229: { NULL, NULL }, /* Hf */
230: { NULL, NULL }, /* Fr */
231: { termp_ud_pre, NULL }, /* Ud */
1.37 kristaps 232: { NULL, termp_lb_post }, /* Lb */
1.76 kristaps 233: { termp_sp_pre, NULL }, /* Lp */
1.1 kristaps 234: { termp_lk_pre, NULL }, /* Lk */
1.69 kristaps 235: { termp_under_pre, NULL }, /* Mt */
1.188 kristaps 236: { termp_quote_pre, termp_quote_post }, /* Brq */
237: { termp_quote_pre, termp_quote_post }, /* Bro */
1.1 kristaps 238: { NULL, NULL }, /* Brc */
1.83 kristaps 239: { NULL, termp____post }, /* %C */
1.81 kristaps 240: { NULL, NULL }, /* Es */ /* TODO */
241: { NULL, NULL }, /* En */ /* TODO */
1.26 kristaps 242: { termp_xx_pre, NULL }, /* Dx */
1.83 kristaps 243: { NULL, termp____post }, /* %Q */
1.76 kristaps 244: { termp_sp_pre, NULL }, /* br */
1.45 kristaps 245: { termp_sp_pre, NULL }, /* sp */
1.243 schwarze 246: { NULL, termp____post }, /* %U */
1.135 kristaps 247: { NULL, NULL }, /* Ta */
1.260 schwarze 248: { termp_ll_pre, NULL }, /* ll */
1.1 kristaps 249: };
250:
251:
1.70 kristaps 252: void
1.89 kristaps 253: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1 kristaps 254: {
1.70 kristaps 255: const struct mdoc_node *n;
1.245 schwarze 256: const struct mdoc_meta *meta;
1.89 kristaps 257: struct termp *p;
258:
259: p = (struct termp *)arg;
1.111 kristaps 260:
1.238 schwarze 261: if (0 == p->defindent)
262: p->defindent = 5;
263:
1.111 kristaps 264: p->overstep = 0;
1.123 joerg 265: p->maxrmargin = p->defrmargin;
1.157 kristaps 266: p->tabwidth = term_len(p, 5);
1.89 kristaps 267:
268: if (NULL == p->symtab)
1.230 kristaps 269: p->symtab = mchars_alloc();
1.70 kristaps 270:
271: n = mdoc_node(mdoc);
1.245 schwarze 272: meta = mdoc_meta(mdoc);
1.146 schwarze 273:
1.245 schwarze 274: term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
1.70 kristaps 275:
276: if (n->child)
1.245 schwarze 277: print_mdoc_nodelist(p, NULL, meta, n->child);
1.144 kristaps 278:
279: term_end(p);
1.1 kristaps 280: }
281:
282:
1.3 kristaps 283: static void
1.102 kristaps 284: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 285: {
286:
1.245 schwarze 287: print_mdoc_node(p, pair, meta, n);
1.86 kristaps 288: if (n->next)
1.245 schwarze 289: print_mdoc_nodelist(p, pair, meta, n->next);
1.1 kristaps 290: }
291:
292:
1.70 kristaps 293: /* ARGSUSED */
1.3 kristaps 294: static void
1.102 kristaps 295: print_mdoc_node(DECL_ARGS)
1.1 kristaps 296: {
1.102 kristaps 297: int chld;
1.1 kristaps 298: struct termpair npair;
1.30 kristaps 299: size_t offset, rmargin;
1.1 kristaps 300:
1.70 kristaps 301: chld = 1;
1.29 kristaps 302: offset = p->offset;
1.30 kristaps 303: rmargin = p->rmargin;
1.244 schwarze 304: n->prev_font = term_fontq(p);
1.29 kristaps 305:
1.97 kristaps 306: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 307: npair.ppair = pair;
1.172 kristaps 308:
309: /*
310: * Keeps only work until the end of a line. If a keep was
311: * invoked in a prior line, revert it to PREKEEP.
312: */
313:
1.253 schwarze 314: if (TERMP_KEEP & p->flags) {
1.252 schwarze 315: if (n->prev ? (n->prev->lastline != n->line) :
1.248 schwarze 316: (n->parent && n->parent->line != n->line)) {
1.172 kristaps 317: p->flags &= ~TERMP_KEEP;
318: p->flags |= TERMP_PREKEEP;
319: }
320: }
1.197 schwarze 321:
322: /*
1.217 schwarze 323: * After the keep flags have been set up, we may now
324: * produce output. Note that some pre-handlers do so.
325: */
326:
327: switch (n->type) {
328: case (MDOC_TEXT):
329: if (' ' == *n->string && MDOC_LINE & n->flags)
330: term_newln(p);
1.222 kristaps 331: if (MDOC_DELIMC & n->flags)
332: p->flags |= TERMP_NOSPACE;
1.217 schwarze 333: term_word(p, n->string);
1.222 kristaps 334: if (MDOC_DELIMO & n->flags)
335: p->flags |= TERMP_NOSPACE;
1.217 schwarze 336: break;
337: case (MDOC_EQN):
1.233 kristaps 338: term_eqn(p, n->eqn);
1.217 schwarze 339: break;
340: case (MDOC_TBL):
341: term_tbl(p, n->span);
342: break;
343: default:
344: if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
345: chld = (*termacts[n->tok].pre)
1.245 schwarze 346: (p, &npair, meta, n);
1.217 schwarze 347: break;
348: }
349:
1.86 kristaps 350: if (chld && n->child)
1.245 schwarze 351: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 352:
1.244 schwarze 353: term_fontpopq(p,
354: (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.46 kristaps 355:
1.206 kristaps 356: switch (n->type) {
357: case (MDOC_TEXT):
358: break;
359: case (MDOC_TBL):
1.216 kristaps 360: break;
361: case (MDOC_EQN):
1.206 kristaps 362: break;
363: default:
364: if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
365: break;
1.245 schwarze 366: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162 schwarze 367:
368: /*
369: * Explicit end tokens not only call the post
370: * handler, but also tell the respective block
371: * that it must not call the post handler again.
372: */
1.165 kristaps 373: if (ENDBODY_NOT != n->end)
1.162 schwarze 374: n->pending->flags |= MDOC_ENDED;
375:
376: /*
377: * End of line terminating an implicit block
378: * while an explicit block is still open.
379: * Continue the explicit block without spacing.
380: */
381: if (ENDBODY_NOSPACE == n->end)
382: p->flags |= TERMP_NOSPACE;
1.206 kristaps 383: break;
1.162 schwarze 384: }
1.121 kristaps 385:
386: if (MDOC_EOS & n->flags)
387: p->flags |= TERMP_SENTENCE;
1.29 kristaps 388:
1.260 schwarze 389: if (MDOC_ll != n->tok) {
390: p->offset = offset;
391: p->rmargin = rmargin;
392: }
1.1 kristaps 393: }
394:
395:
1.3 kristaps 396: static void
1.145 kristaps 397: print_mdoc_foot(struct termp *p, const void *arg)
1.1 kristaps 398: {
1.245 schwarze 399: const struct mdoc_meta *meta;
1.144 kristaps 400:
1.245 schwarze 401: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 402:
1.102 kristaps 403: term_fontrepl(p, TERMFONT_NONE);
1.101 kristaps 404:
1.9 kristaps 405: /*
406: * Output the footer in new-groff style, that is, three columns
407: * with the middle being the manual date and flanking columns
408: * being the operating system:
409: *
410: * SYSTEM DATE SYSTEM
411: */
412:
1.1 kristaps 413: term_vspace(p);
414:
1.9 kristaps 415: p->offset = 0;
1.157 kristaps 416: p->rmargin = (p->maxrmargin -
1.245 schwarze 417: term_strlen(p, meta->date) + term_len(p, 1)) / 2;
1.250 schwarze 418: p->trailspace = 1;
1.1 kristaps 419: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
420:
1.245 schwarze 421: term_word(p, meta->os);
1.1 kristaps 422: term_flushln(p);
423:
1.9 kristaps 424: p->offset = p->rmargin;
1.245 schwarze 425: p->rmargin = p->maxrmargin - term_strlen(p, meta->os);
1.234 schwarze 426: p->flags |= TERMP_NOSPACE;
1.9 kristaps 427:
1.245 schwarze 428: term_word(p, meta->date);
1.9 kristaps 429: term_flushln(p);
430:
1.1 kristaps 431: p->offset = p->rmargin;
432: p->rmargin = p->maxrmargin;
1.250 schwarze 433: p->trailspace = 0;
1.1 kristaps 434: p->flags &= ~TERMP_NOBREAK;
1.234 schwarze 435: p->flags |= TERMP_NOSPACE;
1.1 kristaps 436:
1.245 schwarze 437: term_word(p, meta->os);
1.1 kristaps 438: term_flushln(p);
439:
1.9 kristaps 440: p->offset = 0;
441: p->rmargin = p->maxrmargin;
442: p->flags = 0;
1.1 kristaps 443: }
444:
445:
1.3 kristaps 446: static void
1.144 kristaps 447: print_mdoc_head(struct termp *p, const void *arg)
1.1 kristaps 448: {
1.98 kristaps 449: char buf[BUFSIZ], title[BUFSIZ];
1.235 schwarze 450: size_t buflen, titlen;
1.245 schwarze 451: const struct mdoc_meta *meta;
1.144 kristaps 452:
1.245 schwarze 453: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 454:
455: /*
456: * The header is strange. It has three components, which are
457: * really two with the first duplicated. It goes like this:
458: *
459: * IDENTIFIER TITLE IDENTIFIER
460: *
461: * The IDENTIFIER is NAME(SECTION), which is the command-name
462: * (if given, or "unknown" if not) followed by the manual page
463: * section. These are given in `Dt'. The TITLE is a free-form
464: * string depending on the manual volume. If not specified, it
465: * switches on the manual section.
466: */
467:
1.235 schwarze 468: p->offset = 0;
469: p->rmargin = p->maxrmargin;
470:
1.245 schwarze 471: assert(meta->vol);
472: strlcpy(buf, meta->vol, BUFSIZ);
1.235 schwarze 473: buflen = term_strlen(p, buf);
1.1 kristaps 474:
1.245 schwarze 475: if (meta->arch) {
1.98 kristaps 476: strlcat(buf, " (", BUFSIZ);
1.245 schwarze 477: strlcat(buf, meta->arch, BUFSIZ);
1.98 kristaps 478: strlcat(buf, ")", BUFSIZ);
1.1 kristaps 479: }
480:
1.245 schwarze 481: snprintf(title, BUFSIZ, "%s(%s)", meta->title, meta->msec);
1.235 schwarze 482: titlen = term_strlen(p, title);
1.1 kristaps 483:
1.235 schwarze 484: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250 schwarze 485: p->trailspace = 1;
1.1 kristaps 486: p->offset = 0;
1.235 schwarze 487: p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
488: (p->maxrmargin -
489: term_strlen(p, buf) + term_len(p, 1)) / 2 :
490: p->maxrmargin - buflen;
1.1 kristaps 491:
492: term_word(p, title);
493: term_flushln(p);
494:
1.235 schwarze 495: p->flags |= TERMP_NOSPACE;
1.1 kristaps 496: p->offset = p->rmargin;
1.235 schwarze 497: p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
498: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 499:
500: term_word(p, buf);
501: term_flushln(p);
502:
503: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 504: p->trailspace = 0;
1.235 schwarze 505: if (p->rmargin + titlen <= p->maxrmargin) {
506: p->flags |= TERMP_NOSPACE;
507: p->offset = p->rmargin;
508: p->rmargin = p->maxrmargin;
509: term_word(p, title);
510: term_flushln(p);
511: }
1.1 kristaps 512:
1.235 schwarze 513: p->flags &= ~TERMP_NOSPACE;
1.9 kristaps 514: p->offset = 0;
1.1 kristaps 515: p->rmargin = p->maxrmargin;
516: }
517:
518:
519: static size_t
1.157 kristaps 520: a2height(const struct termp *p, const char *v)
1.1 kristaps 521: {
1.92 kristaps 522: struct roffsu su;
1.91 kristaps 523:
1.231 kristaps 524:
1.157 kristaps 525: assert(v);
526: if ( ! a2roffsu(v, &su, SCALE_VS))
1.231 kristaps 527: SCALE_VS_INIT(&su, atoi(v));
1.91 kristaps 528:
1.157 kristaps 529: return(term_vspan(p, &su));
1.91 kristaps 530: }
1.1 kristaps 531:
1.40 kristaps 532:
1.91 kristaps 533: static size_t
1.157 kristaps 534: a2width(const struct termp *p, const char *v)
1.91 kristaps 535: {
1.92 kristaps 536: struct roffsu su;
1.1 kristaps 537:
1.154 kristaps 538: assert(v);
539: if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157 kristaps 540: SCALE_HS_INIT(&su, term_strlen(p, v));
1.1 kristaps 541:
1.157 kristaps 542: return(term_hspan(p, &su));
1.1 kristaps 543: }
544:
545:
546: static size_t
1.157 kristaps 547: a2offs(const struct termp *p, const char *v)
1.1 kristaps 548: {
1.92 kristaps 549: struct roffsu su;
1.1 kristaps 550:
1.148 kristaps 551: if ('\0' == *v)
1.91 kristaps 552: return(0);
1.148 kristaps 553: else if (0 == strcmp(v, "left"))
1.19 kristaps 554: return(0);
1.148 kristaps 555: else if (0 == strcmp(v, "indent"))
1.238 schwarze 556: return(term_len(p, p->defindent + 1));
1.148 kristaps 557: else if (0 == strcmp(v, "indent-two"))
1.238 schwarze 558: return(term_len(p, (p->defindent + 1) * 2));
1.148 kristaps 559: else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157 kristaps 560: SCALE_HS_INIT(&su, term_strlen(p, v));
1.10 kristaps 561:
1.157 kristaps 562: return(term_hspan(p, &su));
1.1 kristaps 563: }
564:
565:
1.108 kristaps 566: /*
567: * Determine how much space to print out before block elements of `It'
568: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
569: * too.
570: */
1.54 kristaps 571: static void
1.151 kristaps 572: print_bvspace(struct termp *p,
573: const struct mdoc_node *bl,
574: const struct mdoc_node *n)
1.1 kristaps 575: {
1.86 kristaps 576: const struct mdoc_node *nn;
1.236 schwarze 577:
578: assert(n);
1.1 kristaps 579:
580: term_newln(p);
1.150 kristaps 581:
1.202 kristaps 582: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150 kristaps 583: return;
1.202 kristaps 584: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54 kristaps 585: return;
586:
1.85 kristaps 587: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 588:
1.86 kristaps 589: for (nn = n; nn; nn = nn->parent) {
590: if (MDOC_BLOCK != nn->type)
1.1 kristaps 591: continue;
1.86 kristaps 592: if (MDOC_Ss == nn->tok)
1.54 kristaps 593: return;
1.86 kristaps 594: if (MDOC_Sh == nn->tok)
1.54 kristaps 595: return;
1.86 kristaps 596: if (NULL == nn->prev)
1.1 kristaps 597: continue;
598: break;
599: }
600:
1.85 kristaps 601: /* A `-column' does not assert vspace within the list. */
1.54 kristaps 602:
1.202 kristaps 603: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86 kristaps 604: if (n->prev && MDOC_It == n->prev->tok)
1.54 kristaps 605: return;
606:
1.85 kristaps 607: /* A `-diag' without body does not vspace. */
608:
1.202 kristaps 609: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86 kristaps 610: if (n->prev && MDOC_It == n->prev->tok) {
611: assert(n->prev->body);
612: if (NULL == n->prev->body->child)
1.55 kristaps 613: return;
614: }
615:
1.54 kristaps 616: term_vspace(p);
1.260 schwarze 617: }
618:
619:
620: /* ARGSUSED */
621: static int
622: termp_ll_pre(DECL_ARGS)
623: {
624:
1.261 schwarze 625: term_setwidth(p, n->nchild ? n->child->string : NULL);
1.260 schwarze 626: return(0);
1.1 kristaps 627: }
628:
629:
630: /* ARGSUSED */
631: static int
632: termp_it_pre(DECL_ARGS)
633: {
1.86 kristaps 634: const struct mdoc_node *bl, *nn;
1.1 kristaps 635: char buf[7];
1.170 kristaps 636: int i;
1.108 kristaps 637: size_t width, offset, ncols, dcol;
1.126 kristaps 638: enum mdoc_list type;
1.1 kristaps 639:
1.86 kristaps 640: if (MDOC_BLOCK == n->type) {
1.151 kristaps 641: print_bvspace(p, n->parent->parent, n);
1.54 kristaps 642: return(1);
643: }
1.1 kristaps 644:
1.86 kristaps 645: bl = n->parent->parent->parent;
1.202 kristaps 646: type = bl->norm->Bl.type;
1.1 kristaps 647:
1.108 kristaps 648: /*
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:
654: width = offset = 0;
655:
1.202 kristaps 656: if (bl->norm->Bl.offs)
657: offset = a2offs(p, bl->norm->Bl.offs);
1.152 kristaps 658:
1.1 kristaps 659: switch (type) {
1.126 kristaps 660: case (LIST_column):
1.134 kristaps 661: if (MDOC_HEAD == n->type)
1.1 kristaps 662: break;
1.155 kristaps 663:
1.105 kristaps 664: /*
1.108 kristaps 665: * Imitate groff's column handling:
666: * - For each earlier column, add its width.
667: * - For less than 5 columns, add four more blanks per
668: * column.
669: * - For exactly 5 columns, add three more blank per
670: * column.
671: * - For more than 5 columns, add only one column.
1.105 kristaps 672: */
1.202 kristaps 673: ncols = bl->norm->Bl.ncols;
1.170 kristaps 674:
1.108 kristaps 675: /* LINTED */
1.157 kristaps 676: dcol = ncols < 5 ? term_len(p, 4) :
677: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108 kristaps 678:
1.134 kristaps 679: /*
680: * Calculate the offset by applying all prior MDOC_BODY,
681: * so we stop at the MDOC_HEAD (NULL == nn->prev).
682: */
683:
1.108 kristaps 684: for (i = 0, nn = n->prev;
1.134 kristaps 685: nn->prev && i < (int)ncols;
1.108 kristaps 686: nn = nn->prev, i++)
687: offset += dcol + a2width
1.202 kristaps 688: (p, bl->norm->Bl.cols[i]);
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: */
1.202 kristaps 703: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 704: break;
705: default:
1.202 kristaps 706: if (NULL == bl->norm->Bl.width)
1.108 kristaps 707: break;
708:
709: /*
710: * Note: buffer the width by 2, which is groff's magic
711: * number for buffering single arguments. See the above
712: * handling for column for how this changes.
713: */
1.202 kristaps 714: assert(bl->norm->Bl.width);
715: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1 kristaps 716: break;
717: }
718:
719: /*
720: * List-type can override the width in the case of fixed-head
721: * values (bullet, dash/hyphen, enum). Tags need a non-zero
1.67 kristaps 722: * offset.
1.1 kristaps 723: */
724:
725: switch (type) {
1.126 kristaps 726: case (LIST_bullet):
1.1 kristaps 727: /* FALLTHROUGH */
1.126 kristaps 728: case (LIST_dash):
1.1 kristaps 729: /* FALLTHROUGH */
1.126 kristaps 730: case (LIST_hyphen):
1.242 schwarze 731: /* FALLTHROUGH */
1.126 kristaps 732: case (LIST_enum):
1.242 schwarze 733: if (width < term_len(p, 2))
734: width = term_len(p, 2);
1.17 kristaps 735: break;
1.126 kristaps 736: case (LIST_hang):
1.39 kristaps 737: if (0 == width)
1.157 kristaps 738: width = term_len(p, 8);
1.39 kristaps 739: break;
1.126 kristaps 740: case (LIST_column):
1.49 kristaps 741: /* FALLTHROUGH */
1.126 kristaps 742: case (LIST_tag):
1.1 kristaps 743: if (0 == width)
1.157 kristaps 744: width = term_len(p, 10);
1.1 kristaps 745: break;
746: default:
747: break;
748: }
749:
750: /*
1.17 kristaps 751: * Whitespace control. Inset bodies need an initial space,
752: * while diagonal bodies need two.
1.1 kristaps 753: */
754:
1.51 kristaps 755: p->flags |= TERMP_NOSPACE;
756:
1.1 kristaps 757: switch (type) {
1.126 kristaps 758: case (LIST_diag):
1.86 kristaps 759: if (MDOC_BODY == n->type)
1.62 kristaps 760: term_word(p, "\\ \\ ");
1.51 kristaps 761: break;
1.126 kristaps 762: case (LIST_inset):
1.86 kristaps 763: if (MDOC_BODY == n->type)
1.51 kristaps 764: term_word(p, "\\ ");
1.1 kristaps 765: break;
766: default:
767: break;
768: }
769:
1.51 kristaps 770: p->flags |= TERMP_NOSPACE;
771:
1.1 kristaps 772: switch (type) {
1.126 kristaps 773: case (LIST_diag):
1.86 kristaps 774: if (MDOC_HEAD == n->type)
1.102 kristaps 775: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 776: break;
777: default:
778: break;
779: }
780:
781: /*
1.109 kristaps 782: * Pad and break control. This is the tricky part. These flags
783: * are documented in term_flushln() in term.c. Note that we're
784: * going to unset all of these flags in termp_it_post() when we
785: * exit.
1.1 kristaps 786: */
787:
788: switch (type) {
1.242 schwarze 789: case (LIST_enum):
790: /*
791: * Weird special case.
792: * Very narrow enum lists actually hang.
793: */
794: if (width == term_len(p, 2))
795: p->flags |= TERMP_HANG;
796: /* FALLTHROUGH */
1.126 kristaps 797: case (LIST_bullet):
1.1 kristaps 798: /* FALLTHROUGH */
1.126 kristaps 799: case (LIST_dash):
1.1 kristaps 800: /* FALLTHROUGH */
1.126 kristaps 801: case (LIST_hyphen):
1.250 schwarze 802: if (MDOC_HEAD != n->type)
803: break;
804: p->flags |= TERMP_NOBREAK;
805: p->trailspace = 1;
1.39 kristaps 806: break;
1.126 kristaps 807: case (LIST_hang):
1.250 schwarze 808: if (MDOC_HEAD != n->type)
1.59 kristaps 809: break;
810:
811: /*
812: * This is ugly. If `-hang' is specified and the body
813: * is a `Bl' or `Bd', then we want basically to nullify
814: * the "overstep" effect in term_flushln() and treat
815: * this as a `-ohang' list instead.
816: */
1.86 kristaps 817: if (n->next->child &&
818: (MDOC_Bl == n->next->child->tok ||
1.234 schwarze 819: MDOC_Bd == n->next->child->tok))
1.250 schwarze 820: break;
821:
822: p->flags |= TERMP_NOBREAK | TERMP_HANG;
823: p->trailspace = 1;
1.39 kristaps 824: break;
1.126 kristaps 825: case (LIST_tag):
1.86 kristaps 826: if (MDOC_HEAD != n->type)
1.39 kristaps 827: break;
1.250 schwarze 828:
829: p->flags |= TERMP_NOBREAK;
830: p->trailspace = 2;
831:
1.86 kristaps 832: if (NULL == n->next || NULL == n->next->child)
1.39 kristaps 833: p->flags |= TERMP_DANGLE;
1.1 kristaps 834: break;
1.126 kristaps 835: case (LIST_column):
1.134 kristaps 836: if (MDOC_HEAD == n->type)
837: break;
838:
1.250 schwarze 839: if (NULL == n->next) {
1.134 kristaps 840: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 841: p->trailspace = 0;
842: } else {
1.134 kristaps 843: p->flags |= TERMP_NOBREAK;
1.250 schwarze 844: p->trailspace = 1;
845: }
1.134 kristaps 846:
1.1 kristaps 847: break;
1.126 kristaps 848: case (LIST_diag):
1.250 schwarze 849: if (MDOC_HEAD != n->type)
850: break;
851: p->flags |= TERMP_NOBREAK;
852: p->trailspace = 1;
1.1 kristaps 853: break;
854: default:
855: break;
856: }
857:
858: /*
859: * Margin control. Set-head-width lists have their right
860: * margins shortened. The body for these lists has the offset
861: * necessarily lengthened. Everybody gets the offset.
862: */
863:
864: p->offset += offset;
865:
866: switch (type) {
1.126 kristaps 867: case (LIST_hang):
1.59 kristaps 868: /*
869: * Same stipulation as above, regarding `-hang'. We
870: * don't want to recalculate rmargin and offsets when
871: * using `Bd' or `Bl' within `-hang' overstep lists.
872: */
1.86 kristaps 873: if (MDOC_HEAD == n->type && n->next->child &&
874: (MDOC_Bl == n->next->child->tok ||
875: MDOC_Bd == n->next->child->tok))
1.59 kristaps 876: break;
877: /* FALLTHROUGH */
1.126 kristaps 878: case (LIST_bullet):
1.1 kristaps 879: /* FALLTHROUGH */
1.126 kristaps 880: case (LIST_dash):
1.1 kristaps 881: /* FALLTHROUGH */
1.126 kristaps 882: case (LIST_enum):
1.1 kristaps 883: /* FALLTHROUGH */
1.126 kristaps 884: case (LIST_hyphen):
1.1 kristaps 885: /* FALLTHROUGH */
1.126 kristaps 886: case (LIST_tag):
1.49 kristaps 887: assert(width);
1.86 kristaps 888: if (MDOC_HEAD == n->type)
1.1 kristaps 889: p->rmargin = p->offset + width;
1.259 schwarze 890: else {
1.1 kristaps 891: p->offset += width;
1.259 schwarze 892: if (p->rmargin < p->offset)
893: p->rmargin = p->offset;
894: }
1.1 kristaps 895: break;
1.126 kristaps 896: case (LIST_column):
1.49 kristaps 897: assert(width);
1.1 kristaps 898: p->rmargin = p->offset + width;
1.50 kristaps 899: /*
900: * XXX - this behaviour is not documented: the
901: * right-most column is filled to the right margin.
902: */
1.134 kristaps 903: if (MDOC_HEAD == n->type)
904: break;
905: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50 kristaps 906: p->rmargin = p->maxrmargin;
1.1 kristaps 907: break;
908: default:
909: break;
910: }
911:
912: /*
913: * The dash, hyphen, bullet and enum lists all have a special
1.15 kristaps 914: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 915: */
916:
1.86 kristaps 917: if (MDOC_HEAD == n->type)
1.1 kristaps 918: switch (type) {
1.126 kristaps 919: case (LIST_bullet):
1.102 kristaps 920: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 921: term_word(p, "\\[bu]");
1.102 kristaps 922: term_fontpop(p);
1.1 kristaps 923: break;
1.126 kristaps 924: case (LIST_dash):
1.1 kristaps 925: /* FALLTHROUGH */
1.126 kristaps 926: case (LIST_hyphen):
1.102 kristaps 927: term_fontpush(p, TERMFONT_BOLD);
1.27 kristaps 928: term_word(p, "\\(hy");
1.102 kristaps 929: term_fontpop(p);
1.1 kristaps 930: break;
1.126 kristaps 931: case (LIST_enum):
1.1 kristaps 932: (pair->ppair->ppair->count)++;
1.109 kristaps 933: snprintf(buf, sizeof(buf), "%d.",
1.1 kristaps 934: pair->ppair->ppair->count);
935: term_word(p, buf);
936: break;
937: default:
938: break;
939: }
940:
941: /*
942: * If we're not going to process our children, indicate so here.
943: */
944:
945: switch (type) {
1.126 kristaps 946: case (LIST_bullet):
1.1 kristaps 947: /* FALLTHROUGH */
1.126 kristaps 948: case (LIST_item):
1.1 kristaps 949: /* FALLTHROUGH */
1.126 kristaps 950: case (LIST_dash):
1.1 kristaps 951: /* FALLTHROUGH */
1.126 kristaps 952: case (LIST_hyphen):
1.1 kristaps 953: /* FALLTHROUGH */
1.126 kristaps 954: case (LIST_enum):
1.86 kristaps 955: if (MDOC_HEAD == n->type)
1.1 kristaps 956: return(0);
957: break;
1.126 kristaps 958: case (LIST_column):
1.134 kristaps 959: if (MDOC_HEAD == n->type)
1.1 kristaps 960: return(0);
961: break;
962: default:
963: break;
964: }
965:
966: return(1);
967: }
968:
969:
970: /* ARGSUSED */
971: static void
972: termp_it_post(DECL_ARGS)
973: {
1.126 kristaps 974: enum mdoc_list type;
1.1 kristaps 975:
1.109 kristaps 976: if (MDOC_BLOCK == n->type)
1.1 kristaps 977: return;
978:
1.202 kristaps 979: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 980:
981: switch (type) {
1.126 kristaps 982: case (LIST_item):
1.1 kristaps 983: /* FALLTHROUGH */
1.126 kristaps 984: case (LIST_diag):
1.53 kristaps 985: /* FALLTHROUGH */
1.126 kristaps 986: case (LIST_inset):
1.86 kristaps 987: if (MDOC_BODY == n->type)
1.130 schwarze 988: term_newln(p);
1.1 kristaps 989: break;
1.126 kristaps 990: case (LIST_column):
1.134 kristaps 991: if (MDOC_BODY == n->type)
1.1 kristaps 992: term_flushln(p);
993: break;
994: default:
1.130 schwarze 995: term_newln(p);
1.1 kristaps 996: break;
997: }
998:
1.109 kristaps 999: /*
1000: * Now that our output is flushed, we can reset our tags. Since
1001: * only `It' sets these flags, we're free to assume that nobody
1002: * has munged them in the meanwhile.
1003: */
1004:
1005: p->flags &= ~TERMP_DANGLE;
1006: p->flags &= ~TERMP_NOBREAK;
1007: p->flags &= ~TERMP_HANG;
1.250 schwarze 1008: p->trailspace = 0;
1.1 kristaps 1009: }
1010:
1011:
1012: /* ARGSUSED */
1013: static int
1014: termp_nm_pre(DECL_ARGS)
1015: {
1016:
1.253 schwarze 1017: if (MDOC_BLOCK == n->type) {
1018: p->flags |= TERMP_PREKEEP;
1.164 schwarze 1019: return(1);
1.253 schwarze 1020: }
1.164 schwarze 1021:
1022: if (MDOC_BODY == n->type) {
1023: if (NULL == n->child)
1024: return(0);
1.234 schwarze 1025: p->flags |= TERMP_NOSPACE;
1.164 schwarze 1026: p->offset += term_len(p, 1) +
1.245 schwarze 1027: (NULL == n->prev->child ?
1028: term_strlen(p, meta->name) :
1.164 schwarze 1029: MDOC_TEXT == n->prev->child->type ?
1.245 schwarze 1030: term_strlen(p, n->prev->child->string) :
1.164 schwarze 1031: term_len(p, 5));
1.262 ! schwarze 1032: if (p->rmargin < p->offset)
! 1033: p->rmargin = p->offset;
1.164 schwarze 1034: return(1);
1035: }
1036:
1.245 schwarze 1037: if (NULL == n->child && NULL == meta->name)
1.164 schwarze 1038: return(0);
1.125 kristaps 1039:
1.177 schwarze 1040: if (MDOC_HEAD == n->type)
1041: synopsis_pre(p, n->parent);
1.102 kristaps 1042:
1.164 schwarze 1043: if (MDOC_HEAD == n->type && n->next->child) {
1.185 schwarze 1044: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.250 schwarze 1045: p->trailspace = 1;
1.185 schwarze 1046: p->rmargin = p->offset + term_len(p, 1);
1047: if (NULL == n->child) {
1.245 schwarze 1048: p->rmargin += term_strlen(p, meta->name);
1.185 schwarze 1049: } else if (MDOC_TEXT == n->child->type) {
1050: p->rmargin += term_strlen(p, n->child->string);
1051: if (n->child->next)
1052: p->flags |= TERMP_HANG;
1053: } else {
1054: p->rmargin += term_len(p, 5);
1055: p->flags |= TERMP_HANG;
1056: }
1.164 schwarze 1057: }
1058:
1.102 kristaps 1059: term_fontpush(p, TERMFONT_BOLD);
1.86 kristaps 1060: if (NULL == n->child)
1.245 schwarze 1061: term_word(p, meta->name);
1.1 kristaps 1062: return(1);
1063: }
1064:
1065:
1.164 schwarze 1066: /* ARGSUSED */
1067: static void
1068: termp_nm_post(DECL_ARGS)
1069: {
1070:
1.253 schwarze 1071: if (MDOC_BLOCK == n->type) {
1072: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1073: } else if (MDOC_HEAD == n->type && n->next->child) {
1.164 schwarze 1074: term_flushln(p);
1075: p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
1.250 schwarze 1076: p->trailspace = 0;
1.234 schwarze 1077: } else if (MDOC_BODY == n->type && n->child)
1.164 schwarze 1078: term_flushln(p);
1079: }
1080:
1081:
1.1 kristaps 1082: /* ARGSUSED */
1083: static int
1084: termp_fl_pre(DECL_ARGS)
1085: {
1086:
1.102 kristaps 1087: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1088: term_word(p, "\\-");
1.103 kristaps 1089:
1090: if (n->child)
1.114 kristaps 1091: p->flags |= TERMP_NOSPACE;
1092: else if (n->next && n->next->line == n->line)
1.103 kristaps 1093: p->flags |= TERMP_NOSPACE;
1094:
1.1 kristaps 1095: return(1);
1096: }
1097:
1098:
1099: /* ARGSUSED */
1100: static int
1.184 kristaps 1101: termp__a_pre(DECL_ARGS)
1102: {
1103:
1104: if (n->prev && MDOC__A == n->prev->tok)
1105: if (NULL == n->next || MDOC__A != n->next->tok)
1106: term_word(p, "and");
1107:
1108: return(1);
1109: }
1110:
1111:
1112: /* ARGSUSED */
1113: static int
1.61 kristaps 1114: termp_an_pre(DECL_ARGS)
1115: {
1116:
1.86 kristaps 1117: if (NULL == n->child)
1.61 kristaps 1118: return(1);
1119:
1120: /*
1.85 kristaps 1121: * If not in the AUTHORS section, `An -split' will cause
1122: * newlines to occur before the author name. If in the AUTHORS
1123: * section, by default, the first `An' invocation is nosplit,
1124: * then all subsequent ones, regardless of whether interspersed
1125: * with other macros/text, are split. -split, in this case,
1126: * will override the condition of the implied first -nosplit.
1.61 kristaps 1127: */
1128:
1.86 kristaps 1129: if (n->sec == SEC_AUTHORS) {
1.61 kristaps 1130: if ( ! (TERMP_ANPREC & p->flags)) {
1131: if (TERMP_SPLIT & p->flags)
1132: term_newln(p);
1133: return(1);
1134: }
1135: if (TERMP_NOSPLIT & p->flags)
1136: return(1);
1137: term_newln(p);
1138: return(1);
1139: }
1140:
1141: if (TERMP_SPLIT & p->flags)
1142: term_newln(p);
1143:
1144: return(1);
1145: }
1146:
1147:
1148: /* ARGSUSED */
1149: static void
1150: termp_an_post(DECL_ARGS)
1151: {
1152:
1.86 kristaps 1153: if (n->child) {
1154: if (SEC_AUTHORS == n->sec)
1.61 kristaps 1155: p->flags |= TERMP_ANPREC;
1156: return;
1157: }
1158:
1.202 kristaps 1159: if (AUTH_split == n->norm->An.auth) {
1.61 kristaps 1160: p->flags &= ~TERMP_NOSPLIT;
1161: p->flags |= TERMP_SPLIT;
1.202 kristaps 1162: } else if (AUTH_nosplit == n->norm->An.auth) {
1.61 kristaps 1163: p->flags &= ~TERMP_SPLIT;
1164: p->flags |= TERMP_NOSPLIT;
1165: }
1166:
1167: }
1168:
1169:
1170: /* ARGSUSED */
1171: static int
1.1 kristaps 1172: termp_ns_pre(DECL_ARGS)
1173: {
1174:
1.215 kristaps 1175: if ( ! (MDOC_LINE & n->flags))
1176: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1177: return(1);
1178: }
1179:
1180:
1181: /* ARGSUSED */
1182: static int
1183: termp_rs_pre(DECL_ARGS)
1184: {
1185:
1.86 kristaps 1186: if (SEC_SEE_ALSO != n->sec)
1.80 kristaps 1187: return(1);
1.86 kristaps 1188: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1189: term_vspace(p);
1190: return(1);
1191: }
1192:
1193:
1194: /* ARGSUSED */
1195: static int
1196: termp_rv_pre(DECL_ARGS)
1197: {
1.223 kristaps 1198: int nchild;
1.1 kristaps 1199:
1200: term_newln(p);
1201: term_word(p, "The");
1202:
1.223 kristaps 1203: nchild = n->nchild;
1204: for (n = n->child; n; n = n->next) {
1.102 kristaps 1205: term_fontpush(p, TERMFONT_BOLD);
1.223 kristaps 1206: term_word(p, n->string);
1.102 kristaps 1207: term_fontpop(p);
1.224 kristaps 1208:
1.68 kristaps 1209: p->flags |= TERMP_NOSPACE;
1.223 kristaps 1210: term_word(p, "()");
1211:
1212: if (nchild > 2 && n->next) {
1213: p->flags |= TERMP_NOSPACE;
1214: term_word(p, ",");
1215: }
1216:
1217: if (n->next && NULL == n->next->next)
1218: term_word(p, "and");
1.68 kristaps 1219: }
1220:
1.223 kristaps 1221: if (nchild > 1)
1.68 kristaps 1222: term_word(p, "functions return");
1223: else
1224: term_word(p, "function returns");
1.1 kristaps 1225:
1.68 kristaps 1226: term_word(p, "the value 0 if successful; otherwise the value "
1227: "-1 is returned and the global variable");
1.1 kristaps 1228:
1.102 kristaps 1229: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1230: term_word(p, "errno");
1.102 kristaps 1231: term_fontpop(p);
1.1 kristaps 1232:
1233: term_word(p, "is set to indicate the error.");
1.131 kristaps 1234: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1235:
1.68 kristaps 1236: return(0);
1.1 kristaps 1237: }
1238:
1239:
1240: /* ARGSUSED */
1241: static int
1242: termp_ex_pre(DECL_ARGS)
1243: {
1.224 kristaps 1244: int nchild;
1.1 kristaps 1245:
1.224 kristaps 1246: term_newln(p);
1.68 kristaps 1247: term_word(p, "The");
1.1 kristaps 1248:
1.224 kristaps 1249: nchild = n->nchild;
1250: for (n = n->child; n; n = n->next) {
1.102 kristaps 1251: term_fontpush(p, TERMFONT_BOLD);
1.224 kristaps 1252: term_word(p, n->string);
1.102 kristaps 1253: term_fontpop(p);
1.224 kristaps 1254:
1255: if (nchild > 2 && n->next) {
1256: p->flags |= TERMP_NOSPACE;
1.68 kristaps 1257: term_word(p, ",");
1.224 kristaps 1258: }
1259:
1260: if (n->next && NULL == n->next->next)
1261: term_word(p, "and");
1.68 kristaps 1262: }
1263:
1.224 kristaps 1264: if (nchild > 1)
1.68 kristaps 1265: term_word(p, "utilities exit");
1266: else
1267: term_word(p, "utility exits");
1268:
1269: term_word(p, "0 on success, and >0 if an error occurs.");
1.224 kristaps 1270:
1.131 kristaps 1271: p->flags |= TERMP_SENTENCE;
1.68 kristaps 1272: return(0);
1.1 kristaps 1273: }
1274:
1275:
1276: /* ARGSUSED */
1277: static int
1278: termp_nd_pre(DECL_ARGS)
1279: {
1.25 kristaps 1280:
1.86 kristaps 1281: if (MDOC_BODY != n->type)
1.25 kristaps 1282: return(1);
1.30 kristaps 1283:
1.27 kristaps 1284: #if defined(__OpenBSD__) || defined(__linux__)
1.41 kristaps 1285: term_word(p, "\\(en");
1.23 kristaps 1286: #else
1287: term_word(p, "\\(em");
1288: #endif
1.1 kristaps 1289: return(1);
1.115 kristaps 1290: }
1291:
1292:
1293: /* ARGSUSED */
1294: static int
1295: termp_bl_pre(DECL_ARGS)
1296: {
1297:
1298: return(MDOC_HEAD != n->type);
1.1 kristaps 1299: }
1300:
1301:
1302: /* ARGSUSED */
1303: static void
1304: termp_bl_post(DECL_ARGS)
1305: {
1306:
1.86 kristaps 1307: if (MDOC_BLOCK == n->type)
1.1 kristaps 1308: term_newln(p);
1309: }
1310:
1311: /* ARGSUSED */
1312: static int
1313: termp_xr_pre(DECL_ARGS)
1314: {
1315:
1.225 kristaps 1316: if (NULL == (n = n->child))
1.113 kristaps 1317: return(0);
1318:
1.225 kristaps 1319: assert(MDOC_TEXT == n->type);
1320: term_word(p, n->string);
1.11 kristaps 1321:
1.225 kristaps 1322: if (NULL == (n = n->next))
1.1 kristaps 1323: return(0);
1.225 kristaps 1324:
1.1 kristaps 1325: p->flags |= TERMP_NOSPACE;
1326: term_word(p, "(");
1.222 kristaps 1327: p->flags |= TERMP_NOSPACE;
1.225 kristaps 1328:
1329: assert(MDOC_TEXT == n->type);
1330: term_word(p, n->string);
1331:
1.222 kristaps 1332: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1333: term_word(p, ")");
1.86 kristaps 1334:
1.1 kristaps 1335: return(0);
1336: }
1337:
1.143 kristaps 1338: /*
1339: * This decides how to assert whitespace before any of the SYNOPSIS set
1340: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1341: * macro combos).
1342: */
1343: static void
1344: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1345: {
1346: /*
1347: * Obviously, if we're not in a SYNOPSIS or no prior macros
1348: * exist, do nothing.
1349: */
1.160 kristaps 1350: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143 kristaps 1351: return;
1352:
1353: /*
1354: * If we're the second in a pair of like elements, emit our
1355: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1356: * case we soldier on.
1357: */
1358: if (n->prev->tok == n->tok &&
1359: MDOC_Ft != n->tok &&
1360: MDOC_Fo != n->tok &&
1361: MDOC_Fn != n->tok) {
1362: term_newln(p);
1363: return;
1364: }
1365:
1366: /*
1367: * If we're one of the SYNOPSIS set and non-like pair-wise after
1368: * another (or Fn/Fo, which we've let slip through) then assert
1369: * vertical space, else only newline and move on.
1370: */
1371: switch (n->prev->tok) {
1372: case (MDOC_Fd):
1373: /* FALLTHROUGH */
1374: case (MDOC_Fn):
1375: /* FALLTHROUGH */
1376: case (MDOC_Fo):
1377: /* FALLTHROUGH */
1378: case (MDOC_In):
1379: /* FALLTHROUGH */
1380: case (MDOC_Vt):
1381: term_vspace(p);
1382: break;
1383: case (MDOC_Ft):
1384: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1385: term_vspace(p);
1386: break;
1387: }
1388: /* FALLTHROUGH */
1389: default:
1390: term_newln(p);
1391: break;
1392: }
1393: }
1394:
1395:
1.110 kristaps 1396: static int
1397: termp_vt_pre(DECL_ARGS)
1398: {
1399:
1.143 kristaps 1400: if (MDOC_ELEM == n->type) {
1401: synopsis_pre(p, n);
1.245 schwarze 1402: return(termp_under_pre(p, pair, meta, n));
1.143 kristaps 1403: } else if (MDOC_BLOCK == n->type) {
1404: synopsis_pre(p, n);
1405: return(1);
1406: } else if (MDOC_HEAD == n->type)
1.110 kristaps 1407: return(0);
1408:
1.245 schwarze 1409: return(termp_under_pre(p, pair, meta, n));
1.110 kristaps 1410: }
1411:
1412:
1.1 kristaps 1413: /* ARGSUSED */
1414: static int
1.69 kristaps 1415: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1416: {
1417:
1.102 kristaps 1418: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1419: return(1);
1420: }
1421:
1422:
1423: /* ARGSUSED */
1.143 kristaps 1424: static int
1425: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1426: {
1427:
1.143 kristaps 1428: synopsis_pre(p, n);
1.245 schwarze 1429: return(termp_bold_pre(p, pair, meta, n));
1.1 kristaps 1430: }
1431:
1432:
1433: /* ARGSUSED */
1.241 schwarze 1434: static void
1435: termp_fd_post(DECL_ARGS)
1436: {
1437:
1438: term_newln(p);
1439: }
1440:
1441:
1442: /* ARGSUSED */
1.1 kristaps 1443: static int
1444: termp_sh_pre(DECL_ARGS)
1445: {
1.85 kristaps 1446:
1447: /* No vspace between consecutive `Sh' calls. */
1448:
1.86 kristaps 1449: switch (n->type) {
1.65 kristaps 1450: case (MDOC_BLOCK):
1.86 kristaps 1451: if (n->prev && MDOC_Sh == n->prev->tok)
1452: if (NULL == n->prev->body->child)
1.65 kristaps 1453: break;
1454: term_vspace(p);
1455: break;
1.1 kristaps 1456: case (MDOC_HEAD):
1.102 kristaps 1457: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1458: break;
1459: case (MDOC_BODY):
1.238 schwarze 1460: p->offset = term_len(p, p->defindent);
1.239 schwarze 1461: if (SEC_AUTHORS == n->sec)
1462: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1463: break;
1464: default:
1465: break;
1466: }
1467: return(1);
1468: }
1469:
1470:
1471: /* ARGSUSED */
1472: static void
1473: termp_sh_post(DECL_ARGS)
1474: {
1475:
1.86 kristaps 1476: switch (n->type) {
1.1 kristaps 1477: case (MDOC_HEAD):
1478: term_newln(p);
1479: break;
1480: case (MDOC_BODY):
1481: term_newln(p);
1482: p->offset = 0;
1483: break;
1484: default:
1485: break;
1486: }
1487: }
1488:
1489:
1490: /* ARGSUSED */
1491: static int
1492: termp_bt_pre(DECL_ARGS)
1493: {
1494:
1495: term_word(p, "is currently in beta test.");
1.131 kristaps 1496: p->flags |= TERMP_SENTENCE;
1.81 kristaps 1497: return(0);
1.1 kristaps 1498: }
1499:
1500:
1501: /* ARGSUSED */
1502: static void
1503: termp_lb_post(DECL_ARGS)
1504: {
1505:
1.122 kristaps 1506: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81 kristaps 1507: term_newln(p);
1.1 kristaps 1508: }
1509:
1510:
1511: /* ARGSUSED */
1512: static int
1513: termp_ud_pre(DECL_ARGS)
1514: {
1515:
1516: term_word(p, "currently under development.");
1.131 kristaps 1517: p->flags |= TERMP_SENTENCE;
1.86 kristaps 1518: return(0);
1.1 kristaps 1519: }
1520:
1521:
1522: /* ARGSUSED */
1523: static int
1524: termp_d1_pre(DECL_ARGS)
1525: {
1526:
1.86 kristaps 1527: if (MDOC_BLOCK != n->type)
1.1 kristaps 1528: return(1);
1529: term_newln(p);
1.238 schwarze 1530: p->offset += term_len(p, p->defindent + 1);
1.1 kristaps 1531: return(1);
1532: }
1533:
1534:
1535: /* ARGSUSED */
1536: static int
1537: termp_ft_pre(DECL_ARGS)
1538: {
1539:
1.141 kristaps 1540: /* NB: MDOC_LINE does not effect this! */
1.143 kristaps 1541: synopsis_pre(p, n);
1.102 kristaps 1542: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1543: return(1);
1544: }
1545:
1546:
1547: /* ARGSUSED */
1548: static int
1549: termp_fn_pre(DECL_ARGS)
1550: {
1.257 schwarze 1551: size_t rmargin = 0;
1.226 kristaps 1552: int pretty;
1553:
1554: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1555:
1.143 kristaps 1556: synopsis_pre(p, n);
1.139 kristaps 1557:
1.226 kristaps 1558: if (NULL == (n = n->child))
1559: return(0);
1560:
1.251 schwarze 1561: if (pretty) {
1562: rmargin = p->rmargin;
1.257 schwarze 1563: p->rmargin = p->offset + term_len(p, 4);
1.251 schwarze 1564: p->flags |= TERMP_NOBREAK | TERMP_HANG;
1565: }
1566:
1.226 kristaps 1567: assert(MDOC_TEXT == n->type);
1.102 kristaps 1568: term_fontpush(p, TERMFONT_BOLD);
1.226 kristaps 1569: term_word(p, n->string);
1.102 kristaps 1570: term_fontpop(p);
1.1 kristaps 1571:
1.251 schwarze 1572: if (pretty) {
1573: term_flushln(p);
1574: p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
1575: p->offset = p->rmargin;
1576: p->rmargin = rmargin;
1577: }
1578:
1.1 kristaps 1579: p->flags |= TERMP_NOSPACE;
1580: term_word(p, "(");
1.222 kristaps 1581: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1582:
1.226 kristaps 1583: for (n = n->next; n; n = n->next) {
1584: assert(MDOC_TEXT == n->type);
1.102 kristaps 1585: term_fontpush(p, TERMFONT_UNDER);
1.255 schwarze 1586: if (pretty)
1587: p->flags |= TERMP_NBRWORD;
1.226 kristaps 1588: term_word(p, n->string);
1.102 kristaps 1589: term_fontpop(p);
1590:
1.226 kristaps 1591: if (n->next) {
1.222 kristaps 1592: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1593: term_word(p, ",");
1.222 kristaps 1594: }
1.1 kristaps 1595: }
1596:
1.222 kristaps 1597: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1598: term_word(p, ")");
1599:
1.226 kristaps 1600: if (pretty) {
1.222 kristaps 1601: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1602: term_word(p, ";");
1.251 schwarze 1603: term_flushln(p);
1.222 kristaps 1604: }
1.1 kristaps 1605:
1606: return(0);
1607: }
1608:
1609:
1610: /* ARGSUSED */
1611: static int
1612: termp_fa_pre(DECL_ARGS)
1613: {
1.86 kristaps 1614: const struct mdoc_node *nn;
1.1 kristaps 1615:
1.86 kristaps 1616: if (n->parent->tok != MDOC_Fo) {
1.102 kristaps 1617: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1618: return(1);
1619: }
1620:
1.86 kristaps 1621: for (nn = n->child; nn; nn = nn->next) {
1.102 kristaps 1622: term_fontpush(p, TERMFONT_UNDER);
1.258 schwarze 1623: p->flags |= TERMP_NBRWORD;
1.86 kristaps 1624: term_word(p, nn->string);
1.102 kristaps 1625: term_fontpop(p);
1626:
1.256 schwarze 1627: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222 kristaps 1628: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1629: term_word(p, ",");
1.222 kristaps 1630: }
1.1 kristaps 1631: }
1632:
1633: return(0);
1634: }
1635:
1636:
1637: /* ARGSUSED */
1638: static int
1639: termp_bd_pre(DECL_ARGS)
1640: {
1.179 kristaps 1641: size_t tabwidth, rm, rmax;
1.244 schwarze 1642: struct mdoc_node *nn;
1.1 kristaps 1643:
1.86 kristaps 1644: if (MDOC_BLOCK == n->type) {
1.151 kristaps 1645: print_bvspace(p, n, n);
1.54 kristaps 1646: return(1);
1.116 kristaps 1647: } else if (MDOC_HEAD == n->type)
1648: return(0);
1.1 kristaps 1649:
1.202 kristaps 1650: if (n->norm->Bd.offs)
1651: p->offset += a2offs(p, n->norm->Bd.offs);
1.85 kristaps 1652:
1653: /*
1654: * If -ragged or -filled are specified, the block does nothing
1655: * but change the indentation. If -unfilled or -literal are
1656: * specified, text is printed exactly as entered in the display:
1657: * for macro lines, a newline is appended to the line. Blank
1658: * lines are allowed.
1659: */
1.60 kristaps 1660:
1.202 kristaps 1661: if (DISP_literal != n->norm->Bd.type &&
1662: DISP_unfilled != n->norm->Bd.type)
1.1 kristaps 1663: return(1);
1664:
1.129 schwarze 1665: tabwidth = p->tabwidth;
1.208 kristaps 1666: if (DISP_literal == n->norm->Bd.type)
1667: p->tabwidth = term_len(p, 8);
1668:
1.119 kristaps 1669: rm = p->rmargin;
1670: rmax = p->maxrmargin;
1.120 kristaps 1671: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1672:
1.86 kristaps 1673: for (nn = n->child; nn; nn = nn->next) {
1.245 schwarze 1674: print_mdoc_node(p, pair, meta, nn);
1.190 kristaps 1675: /*
1676: * If the printed node flushes its own line, then we
1677: * needn't do it here as well. This is hacky, but the
1678: * notion of selective eoln whitespace is pretty dumb
1679: * anyway, so don't sweat it.
1680: */
1681: switch (nn->tok) {
1.193 kristaps 1682: case (MDOC_Sm):
1683: /* FALLTHROUGH */
1.190 kristaps 1684: case (MDOC_br):
1685: /* FALLTHROUGH */
1686: case (MDOC_sp):
1687: /* FALLTHROUGH */
1688: case (MDOC_Bl):
1.196 kristaps 1689: /* FALLTHROUGH */
1690: case (MDOC_D1):
1691: /* FALLTHROUGH */
1692: case (MDOC_Dl):
1.190 kristaps 1693: /* FALLTHROUGH */
1694: case (MDOC_Lp):
1695: /* FALLTHROUGH */
1696: case (MDOC_Pp):
1697: continue;
1698: default:
1699: break;
1700: }
1.180 schwarze 1701: if (nn->next && nn->next->line == nn->line)
1702: continue;
1703: term_flushln(p);
1704: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1705: }
1.147 kristaps 1706:
1.129 schwarze 1707: p->tabwidth = tabwidth;
1.119 kristaps 1708: p->rmargin = rm;
1709: p->maxrmargin = rmax;
1.1 kristaps 1710: return(0);
1711: }
1712:
1713:
1714: /* ARGSUSED */
1715: static void
1716: termp_bd_post(DECL_ARGS)
1717: {
1.119 kristaps 1718: size_t rm, rmax;
1.1 kristaps 1719:
1.86 kristaps 1720: if (MDOC_BODY != n->type)
1.1 kristaps 1721: return;
1.118 kristaps 1722:
1.119 kristaps 1723: rm = p->rmargin;
1724: rmax = p->maxrmargin;
1.118 kristaps 1725:
1.202 kristaps 1726: if (DISP_literal == n->norm->Bd.type ||
1727: DISP_unfilled == n->norm->Bd.type)
1.120 kristaps 1728: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1729:
1.60 kristaps 1730: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1731: term_newln(p);
1.118 kristaps 1732:
1.119 kristaps 1733: p->rmargin = rm;
1734: p->maxrmargin = rmax;
1.1 kristaps 1735: }
1736:
1737:
1738: /* ARGSUSED */
1.211 kristaps 1739: static int
1740: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1741: {
1742:
1.211 kristaps 1743: if (NULL != (n = n->child)) {
1744: term_word(p, n->string);
1745: p->flags |= TERMP_NOSPACE;
1746: term_word(p, "BSD");
1747: } else {
1748: term_word(p, "BSD");
1749: return(0);
1750: }
1751:
1752: if (NULL != (n = n->next)) {
1753: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1754: term_word(p, "-");
1.1 kristaps 1755: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1756: term_word(p, n->string);
1.211 kristaps 1757: }
1758:
1759: return(0);
1.1 kristaps 1760: }
1761:
1762:
1763: /* ARGSUSED */
1764: static int
1.26 kristaps 1765: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1766: {
1.26 kristaps 1767: const char *pp;
1.218 schwarze 1768: int flags;
1.1 kristaps 1769:
1.26 kristaps 1770: pp = NULL;
1.86 kristaps 1771: switch (n->tok) {
1.26 kristaps 1772: case (MDOC_Bsx):
1.194 schwarze 1773: pp = "BSD/OS";
1.26 kristaps 1774: break;
1775: case (MDOC_Dx):
1.100 kristaps 1776: pp = "DragonFly";
1.26 kristaps 1777: break;
1778: case (MDOC_Fx):
1779: pp = "FreeBSD";
1780: break;
1781: case (MDOC_Nx):
1782: pp = "NetBSD";
1783: break;
1784: case (MDOC_Ox):
1785: pp = "OpenBSD";
1786: break;
1787: case (MDOC_Ux):
1788: pp = "UNIX";
1789: break;
1790: default:
1.246 schwarze 1791: abort();
1792: /* NOTREACHED */
1.26 kristaps 1793: }
1.1 kristaps 1794:
1.26 kristaps 1795: term_word(p, pp);
1.214 kristaps 1796: if (n->child) {
1.218 schwarze 1797: flags = p->flags;
1.214 kristaps 1798: p->flags |= TERMP_KEEP;
1799: term_word(p, n->child->string);
1.218 schwarze 1800: p->flags = flags;
1.214 kristaps 1801: }
1802: return(0);
1.1 kristaps 1803: }
1804:
1805:
1806: /* ARGSUSED */
1807: static void
1808: termp_pf_post(DECL_ARGS)
1809: {
1810:
1811: p->flags |= TERMP_NOSPACE;
1812: }
1813:
1814:
1815: /* ARGSUSED */
1816: static int
1817: termp_ss_pre(DECL_ARGS)
1818: {
1819:
1.86 kristaps 1820: switch (n->type) {
1.1 kristaps 1821: case (MDOC_BLOCK):
1822: term_newln(p);
1.86 kristaps 1823: if (n->prev)
1.1 kristaps 1824: term_vspace(p);
1825: break;
1826: case (MDOC_HEAD):
1.102 kristaps 1827: term_fontpush(p, TERMFONT_BOLD);
1.238 schwarze 1828: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1829: break;
1830: default:
1831: break;
1832: }
1833:
1834: return(1);
1835: }
1836:
1837:
1838: /* ARGSUSED */
1839: static void
1840: termp_ss_post(DECL_ARGS)
1841: {
1842:
1.86 kristaps 1843: if (MDOC_HEAD == n->type)
1.1 kristaps 1844: term_newln(p);
1845: }
1846:
1847:
1848: /* ARGSUSED */
1849: static int
1850: termp_cd_pre(DECL_ARGS)
1851: {
1852:
1.143 kristaps 1853: synopsis_pre(p, n);
1.102 kristaps 1854: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1855: return(1);
1856: }
1857:
1858:
1859: /* ARGSUSED */
1860: static int
1861: termp_in_pre(DECL_ARGS)
1862: {
1.142 schwarze 1863:
1.143 kristaps 1864: synopsis_pre(p, n);
1.1 kristaps 1865:
1.160 kristaps 1866: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138 kristaps 1867: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1868: term_word(p, "#include");
1.138 kristaps 1869: term_word(p, "<");
1870: } else {
1871: term_word(p, "<");
1872: term_fontpush(p, TERMFONT_UNDER);
1873: }
1.22 kristaps 1874:
1.1 kristaps 1875: p->flags |= TERMP_NOSPACE;
1876: return(1);
1877: }
1878:
1879:
1880: /* ARGSUSED */
1881: static void
1882: termp_in_post(DECL_ARGS)
1883: {
1884:
1.160 kristaps 1885: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1886: term_fontpush(p, TERMFONT_BOLD);
1887:
1.79 kristaps 1888: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1889: term_word(p, ">");
1890:
1.160 kristaps 1891: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1892: term_fontpop(p);
1.1 kristaps 1893: }
1894:
1895:
1896: /* ARGSUSED */
1897: static int
1.45 kristaps 1898: termp_sp_pre(DECL_ARGS)
1899: {
1.91 kristaps 1900: size_t i, len;
1.45 kristaps 1901:
1.86 kristaps 1902: switch (n->tok) {
1.76 kristaps 1903: case (MDOC_sp):
1.157 kristaps 1904: len = n->child ? a2height(p, n->child->string) : 1;
1.76 kristaps 1905: break;
1906: case (MDOC_br):
1907: len = 0;
1908: break;
1909: default:
1910: len = 1;
1911: break;
1.45 kristaps 1912: }
1913:
1914: if (0 == len)
1915: term_newln(p);
1916: for (i = 0; i < len; i++)
1917: term_vspace(p);
1918:
1919: return(0);
1920: }
1921:
1922:
1.189 kristaps 1923: /* ARGSUSED */
1.45 kristaps 1924: static int
1.188 kristaps 1925: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1926: {
1927:
1.203 kristaps 1928: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1929: return(1);
1930:
1.188 kristaps 1931: switch (n->tok) {
1932: case (MDOC_Ao):
1933: /* FALLTHROUGH */
1934: case (MDOC_Aq):
1935: term_word(p, "<");
1936: break;
1937: case (MDOC_Bro):
1938: /* FALLTHROUGH */
1939: case (MDOC_Brq):
1940: term_word(p, "{");
1941: break;
1942: case (MDOC_Oo):
1943: /* FALLTHROUGH */
1944: case (MDOC_Op):
1945: /* FALLTHROUGH */
1946: case (MDOC_Bo):
1947: /* FALLTHROUGH */
1948: case (MDOC_Bq):
1949: term_word(p, "[");
1950: break;
1951: case (MDOC_Do):
1952: /* FALLTHROUGH */
1953: case (MDOC_Dq):
1.249 schwarze 1954: term_word(p, "\\(lq");
1.188 kristaps 1955: break;
1.237 schwarze 1956: case (MDOC_Eo):
1957: break;
1.188 kristaps 1958: case (MDOC_Po):
1959: /* FALLTHROUGH */
1960: case (MDOC_Pq):
1961: term_word(p, "(");
1962: break;
1.205 kristaps 1963: case (MDOC__T):
1964: /* FALLTHROUGH */
1.188 kristaps 1965: case (MDOC_Qo):
1966: /* FALLTHROUGH */
1967: case (MDOC_Qq):
1968: term_word(p, "\"");
1969: break;
1970: case (MDOC_Ql):
1971: /* FALLTHROUGH */
1972: case (MDOC_So):
1973: /* FALLTHROUGH */
1974: case (MDOC_Sq):
1.249 schwarze 1975: term_word(p, "\\(oq");
1.188 kristaps 1976: break;
1977: default:
1978: abort();
1979: /* NOTREACHED */
1980: }
1.1 kristaps 1981:
1982: p->flags |= TERMP_NOSPACE;
1983: return(1);
1984: }
1985:
1986:
1.189 kristaps 1987: /* ARGSUSED */
1.1 kristaps 1988: static void
1.188 kristaps 1989: termp_quote_post(DECL_ARGS)
1.1 kristaps 1990: {
1991:
1.203 kristaps 1992: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1993: return;
1994:
1995: p->flags |= TERMP_NOSPACE;
1996:
1.188 kristaps 1997: switch (n->tok) {
1998: case (MDOC_Ao):
1999: /* FALLTHROUGH */
2000: case (MDOC_Aq):
2001: term_word(p, ">");
2002: break;
2003: case (MDOC_Bro):
2004: /* FALLTHROUGH */
2005: case (MDOC_Brq):
2006: term_word(p, "}");
2007: break;
2008: case (MDOC_Oo):
2009: /* FALLTHROUGH */
2010: case (MDOC_Op):
2011: /* FALLTHROUGH */
2012: case (MDOC_Bo):
2013: /* FALLTHROUGH */
2014: case (MDOC_Bq):
2015: term_word(p, "]");
2016: break;
2017: case (MDOC_Do):
2018: /* FALLTHROUGH */
2019: case (MDOC_Dq):
1.249 schwarze 2020: term_word(p, "\\(rq");
1.237 schwarze 2021: break;
2022: case (MDOC_Eo):
1.188 kristaps 2023: break;
2024: case (MDOC_Po):
2025: /* FALLTHROUGH */
2026: case (MDOC_Pq):
2027: term_word(p, ")");
2028: break;
1.205 kristaps 2029: case (MDOC__T):
2030: /* FALLTHROUGH */
1.188 kristaps 2031: case (MDOC_Qo):
2032: /* FALLTHROUGH */
2033: case (MDOC_Qq):
2034: term_word(p, "\"");
2035: break;
2036: case (MDOC_Ql):
2037: /* FALLTHROUGH */
2038: case (MDOC_So):
2039: /* FALLTHROUGH */
2040: case (MDOC_Sq):
1.249 schwarze 2041: term_word(p, "\\(cq");
1.188 kristaps 2042: break;
2043: default:
2044: abort();
2045: /* NOTREACHED */
2046: }
1.1 kristaps 2047: }
2048:
2049:
2050: /* ARGSUSED */
2051: static int
2052: termp_fo_pre(DECL_ARGS)
2053: {
1.257 schwarze 2054: size_t rmargin = 0;
1.256 schwarze 2055: int pretty;
2056:
2057: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 2058:
1.141 kristaps 2059: if (MDOC_BLOCK == n->type) {
1.143 kristaps 2060: synopsis_pre(p, n);
1.141 kristaps 2061: return(1);
2062: } else if (MDOC_BODY == n->type) {
1.256 schwarze 2063: if (pretty) {
2064: rmargin = p->rmargin;
1.257 schwarze 2065: p->rmargin = p->offset + term_len(p, 4);
1.256 schwarze 2066: p->flags |= TERMP_NOBREAK | TERMP_HANG;
2067: }
1.33 kristaps 2068: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2069: term_word(p, "(");
1.222 kristaps 2070: p->flags |= TERMP_NOSPACE;
1.256 schwarze 2071: if (pretty) {
2072: term_flushln(p);
2073: p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
2074: p->offset = p->rmargin;
2075: p->rmargin = rmargin;
2076: }
1.1 kristaps 2077: return(1);
1.256 schwarze 2078: }
1.141 kristaps 2079:
1.169 kristaps 2080: if (NULL == n->child)
2081: return(0);
2082:
1.141 kristaps 2083: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2084:
1.141 kristaps 2085: assert(n->child->string);
1.102 kristaps 2086: term_fontpush(p, TERMFONT_BOLD);
1.141 kristaps 2087: term_word(p, n->child->string);
1.1 kristaps 2088: return(0);
2089: }
2090:
2091:
2092: /* ARGSUSED */
2093: static void
2094: termp_fo_post(DECL_ARGS)
2095: {
2096:
1.143 kristaps 2097: if (MDOC_BODY != n->type)
2098: return;
2099:
1.222 kristaps 2100: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2101: term_word(p, ")");
2102:
1.222 kristaps 2103: if (MDOC_SYNPRETTY & n->flags) {
2104: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2105: term_word(p, ";");
1.256 schwarze 2106: term_flushln(p);
1.222 kristaps 2107: }
1.1 kristaps 2108: }
2109:
2110:
2111: /* ARGSUSED */
2112: static int
2113: termp_bf_pre(DECL_ARGS)
2114: {
2115:
1.86 kristaps 2116: if (MDOC_HEAD == n->type)
1.1 kristaps 2117: return(0);
1.244 schwarze 2118: else if (MDOC_BODY != n->type)
1.1 kristaps 2119: return(1);
2120:
1.202 kristaps 2121: if (FONT_Em == n->norm->Bf.font)
1.102 kristaps 2122: term_fontpush(p, TERMFONT_UNDER);
1.202 kristaps 2123: else if (FONT_Sy == n->norm->Bf.font)
1.102 kristaps 2124: term_fontpush(p, TERMFONT_BOLD);
1.167 kristaps 2125: else
1.102 kristaps 2126: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2127:
2128: return(1);
2129: }
2130:
2131:
2132: /* ARGSUSED */
2133: static int
2134: termp_sm_pre(DECL_ARGS)
2135: {
2136:
1.86 kristaps 2137: assert(n->child && MDOC_TEXT == n->child->type);
1.174 schwarze 2138: if (0 == strcmp("on", n->child->string)) {
2139: if (p->col)
2140: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2141: p->flags &= ~TERMP_NONOSPACE;
1.174 schwarze 2142: } else
1.1 kristaps 2143: p->flags |= TERMP_NONOSPACE;
2144:
2145: return(0);
2146: }
2147:
2148:
2149: /* ARGSUSED */
2150: static int
2151: termp_ap_pre(DECL_ARGS)
2152: {
2153:
2154: p->flags |= TERMP_NOSPACE;
1.188 kristaps 2155: term_word(p, "'");
1.1 kristaps 2156: p->flags |= TERMP_NOSPACE;
2157: return(1);
2158: }
2159:
2160:
2161: /* ARGSUSED */
2162: static void
2163: termp____post(DECL_ARGS)
2164: {
1.184 kristaps 2165:
2166: /*
2167: * Handle lists of authors. In general, print each followed by
2168: * a comma. Don't print the comma if there are only two
2169: * authors.
2170: */
2171: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2172: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2173: if (NULL == n->prev || MDOC__A != n->prev->tok)
2174: return;
1.1 kristaps 2175:
1.95 kristaps 2176: /* TODO: %U. */
2177:
1.187 kristaps 2178: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2179: return;
2180:
1.222 kristaps 2181: p->flags |= TERMP_NOSPACE;
1.186 kristaps 2182: if (NULL == n->next) {
2183: term_word(p, ".");
2184: p->flags |= TERMP_SENTENCE;
2185: } else
2186: term_word(p, ",");
1.1 kristaps 2187: }
2188:
2189:
2190: /* ARGSUSED */
2191: static int
1.102 kristaps 2192: termp_li_pre(DECL_ARGS)
2193: {
2194:
2195: term_fontpush(p, TERMFONT_NONE);
2196: return(1);
2197: }
2198:
2199:
2200: /* ARGSUSED */
2201: static int
1.1 kristaps 2202: termp_lk_pre(DECL_ARGS)
2203: {
1.240 schwarze 2204: const struct mdoc_node *link, *descr;
1.1 kristaps 2205:
1.240 schwarze 2206: if (NULL == (link = n->child))
2207: return(0);
1.181 kristaps 2208:
1.240 schwarze 2209: if (NULL != (descr = link->next)) {
2210: term_fontpush(p, TERMFONT_UNDER);
2211: while (NULL != descr) {
2212: term_word(p, descr->string);
2213: descr = descr->next;
2214: }
2215: p->flags |= TERMP_NOSPACE;
2216: term_word(p, ":");
2217: term_fontpop(p);
2218: }
1.1 kristaps 2219:
1.102 kristaps 2220: term_fontpush(p, TERMFONT_BOLD);
1.240 schwarze 2221: term_word(p, link->string);
1.102 kristaps 2222: term_fontpop(p);
1.12 kristaps 2223:
1.1 kristaps 2224: return(0);
2225: }
2226:
1.159 schwarze 2227:
2228: /* ARGSUSED */
2229: static int
2230: termp_bk_pre(DECL_ARGS)
2231: {
2232:
1.161 schwarze 2233: switch (n->type) {
2234: case (MDOC_BLOCK):
1.166 kristaps 2235: break;
1.161 schwarze 2236: case (MDOC_HEAD):
2237: return(0);
2238: case (MDOC_BODY):
1.200 schwarze 2239: if (n->parent->args || 0 == n->prev->nchild)
2240: p->flags |= TERMP_PREKEEP;
1.166 kristaps 2241: break;
1.161 schwarze 2242: default:
2243: abort();
1.166 kristaps 2244: /* NOTREACHED */
1.161 schwarze 2245: }
1.166 kristaps 2246:
2247: return(1);
1.159 schwarze 2248: }
2249:
2250:
2251: /* ARGSUSED */
2252: static void
2253: termp_bk_post(DECL_ARGS)
2254: {
2255:
1.253 schwarze 2256: if (MDOC_BODY == n->type)
1.161 schwarze 2257: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203 kristaps 2258: }
2259:
2260: /* ARGSUSED */
2261: static void
2262: termp__t_post(DECL_ARGS)
2263: {
2264:
2265: /*
2266: * If we're in an `Rs' and there's a journal present, then quote
2267: * us instead of underlining us (for disambiguation).
2268: */
1.217 schwarze 2269: if (n->parent && MDOC_Rs == n->parent->tok &&
1.210 kristaps 2270: n->parent->norm->Rs.quote_T)
1.245 schwarze 2271: termp_quote_post(p, pair, meta, n);
1.203 kristaps 2272:
1.245 schwarze 2273: termp____post(p, pair, meta, n);
1.203 kristaps 2274: }
2275:
2276: /* ARGSUSED */
2277: static int
2278: termp__t_pre(DECL_ARGS)
2279: {
2280:
2281: /*
2282: * If we're in an `Rs' and there's a journal present, then quote
2283: * us instead of underlining us (for disambiguation).
2284: */
2285: if (n->parent && MDOC_Rs == n->parent->tok &&
1.210 kristaps 2286: n->parent->norm->Rs.quote_T)
1.245 schwarze 2287: return(termp_quote_pre(p, pair, meta, n));
1.203 kristaps 2288:
2289: term_fontpush(p, TERMFONT_UNDER);
2290: return(1);
1.159 schwarze 2291: }
1.1 kristaps 2292:
2293: /* ARGSUSED */
2294: static int
1.69 kristaps 2295: termp_under_pre(DECL_ARGS)
1.1 kristaps 2296: {
2297:
1.102 kristaps 2298: term_fontpush(p, TERMFONT_UNDER);
1.84 kristaps 2299: return(1);
2300: }
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