Annotation of mandoc/mdoc_term.c, Revision 1.261
1.261 ! schwarze 1: /* $Id: mdoc_term.c,v 1.260 2014/03/30 19:47:48 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));
1032: return(1);
1033: }
1034:
1.245 schwarze 1035: if (NULL == n->child && NULL == meta->name)
1.164 schwarze 1036: return(0);
1.125 kristaps 1037:
1.177 schwarze 1038: if (MDOC_HEAD == n->type)
1039: synopsis_pre(p, n->parent);
1.102 kristaps 1040:
1.164 schwarze 1041: if (MDOC_HEAD == n->type && n->next->child) {
1.185 schwarze 1042: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.250 schwarze 1043: p->trailspace = 1;
1.185 schwarze 1044: p->rmargin = p->offset + term_len(p, 1);
1045: if (NULL == n->child) {
1.245 schwarze 1046: p->rmargin += term_strlen(p, meta->name);
1.185 schwarze 1047: } else if (MDOC_TEXT == n->child->type) {
1048: p->rmargin += term_strlen(p, n->child->string);
1049: if (n->child->next)
1050: p->flags |= TERMP_HANG;
1051: } else {
1052: p->rmargin += term_len(p, 5);
1053: p->flags |= TERMP_HANG;
1054: }
1.164 schwarze 1055: }
1056:
1.102 kristaps 1057: term_fontpush(p, TERMFONT_BOLD);
1.86 kristaps 1058: if (NULL == n->child)
1.245 schwarze 1059: term_word(p, meta->name);
1.1 kristaps 1060: return(1);
1061: }
1062:
1063:
1.164 schwarze 1064: /* ARGSUSED */
1065: static void
1066: termp_nm_post(DECL_ARGS)
1067: {
1068:
1.253 schwarze 1069: if (MDOC_BLOCK == n->type) {
1070: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1071: } else if (MDOC_HEAD == n->type && n->next->child) {
1.164 schwarze 1072: term_flushln(p);
1073: p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
1.250 schwarze 1074: p->trailspace = 0;
1.234 schwarze 1075: } else if (MDOC_BODY == n->type && n->child)
1.164 schwarze 1076: term_flushln(p);
1077: }
1078:
1079:
1.1 kristaps 1080: /* ARGSUSED */
1081: static int
1082: termp_fl_pre(DECL_ARGS)
1083: {
1084:
1.102 kristaps 1085: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1086: term_word(p, "\\-");
1.103 kristaps 1087:
1088: if (n->child)
1.114 kristaps 1089: p->flags |= TERMP_NOSPACE;
1090: else if (n->next && n->next->line == n->line)
1.103 kristaps 1091: p->flags |= TERMP_NOSPACE;
1092:
1.1 kristaps 1093: return(1);
1094: }
1095:
1096:
1097: /* ARGSUSED */
1098: static int
1.184 kristaps 1099: termp__a_pre(DECL_ARGS)
1100: {
1101:
1102: if (n->prev && MDOC__A == n->prev->tok)
1103: if (NULL == n->next || MDOC__A != n->next->tok)
1104: term_word(p, "and");
1105:
1106: return(1);
1107: }
1108:
1109:
1110: /* ARGSUSED */
1111: static int
1.61 kristaps 1112: termp_an_pre(DECL_ARGS)
1113: {
1114:
1.86 kristaps 1115: if (NULL == n->child)
1.61 kristaps 1116: return(1);
1117:
1118: /*
1.85 kristaps 1119: * If not in the AUTHORS section, `An -split' will cause
1120: * newlines to occur before the author name. If in the AUTHORS
1121: * section, by default, the first `An' invocation is nosplit,
1122: * then all subsequent ones, regardless of whether interspersed
1123: * with other macros/text, are split. -split, in this case,
1124: * will override the condition of the implied first -nosplit.
1.61 kristaps 1125: */
1126:
1.86 kristaps 1127: if (n->sec == SEC_AUTHORS) {
1.61 kristaps 1128: if ( ! (TERMP_ANPREC & p->flags)) {
1129: if (TERMP_SPLIT & p->flags)
1130: term_newln(p);
1131: return(1);
1132: }
1133: if (TERMP_NOSPLIT & p->flags)
1134: return(1);
1135: term_newln(p);
1136: return(1);
1137: }
1138:
1139: if (TERMP_SPLIT & p->flags)
1140: term_newln(p);
1141:
1142: return(1);
1143: }
1144:
1145:
1146: /* ARGSUSED */
1147: static void
1148: termp_an_post(DECL_ARGS)
1149: {
1150:
1.86 kristaps 1151: if (n->child) {
1152: if (SEC_AUTHORS == n->sec)
1.61 kristaps 1153: p->flags |= TERMP_ANPREC;
1154: return;
1155: }
1156:
1.202 kristaps 1157: if (AUTH_split == n->norm->An.auth) {
1.61 kristaps 1158: p->flags &= ~TERMP_NOSPLIT;
1159: p->flags |= TERMP_SPLIT;
1.202 kristaps 1160: } else if (AUTH_nosplit == n->norm->An.auth) {
1.61 kristaps 1161: p->flags &= ~TERMP_SPLIT;
1162: p->flags |= TERMP_NOSPLIT;
1163: }
1164:
1165: }
1166:
1167:
1168: /* ARGSUSED */
1169: static int
1.1 kristaps 1170: termp_ns_pre(DECL_ARGS)
1171: {
1172:
1.215 kristaps 1173: if ( ! (MDOC_LINE & n->flags))
1174: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1175: return(1);
1176: }
1177:
1178:
1179: /* ARGSUSED */
1180: static int
1181: termp_rs_pre(DECL_ARGS)
1182: {
1183:
1.86 kristaps 1184: if (SEC_SEE_ALSO != n->sec)
1.80 kristaps 1185: return(1);
1.86 kristaps 1186: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1187: term_vspace(p);
1188: return(1);
1189: }
1190:
1191:
1192: /* ARGSUSED */
1193: static int
1194: termp_rv_pre(DECL_ARGS)
1195: {
1.223 kristaps 1196: int nchild;
1.1 kristaps 1197:
1198: term_newln(p);
1199: term_word(p, "The");
1200:
1.223 kristaps 1201: nchild = n->nchild;
1202: for (n = n->child; n; n = n->next) {
1.102 kristaps 1203: term_fontpush(p, TERMFONT_BOLD);
1.223 kristaps 1204: term_word(p, n->string);
1.102 kristaps 1205: term_fontpop(p);
1.224 kristaps 1206:
1.68 kristaps 1207: p->flags |= TERMP_NOSPACE;
1.223 kristaps 1208: term_word(p, "()");
1209:
1210: if (nchild > 2 && n->next) {
1211: p->flags |= TERMP_NOSPACE;
1212: term_word(p, ",");
1213: }
1214:
1215: if (n->next && NULL == n->next->next)
1216: term_word(p, "and");
1.68 kristaps 1217: }
1218:
1.223 kristaps 1219: if (nchild > 1)
1.68 kristaps 1220: term_word(p, "functions return");
1221: else
1222: term_word(p, "function returns");
1.1 kristaps 1223:
1.68 kristaps 1224: term_word(p, "the value 0 if successful; otherwise the value "
1225: "-1 is returned and the global variable");
1.1 kristaps 1226:
1.102 kristaps 1227: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1228: term_word(p, "errno");
1.102 kristaps 1229: term_fontpop(p);
1.1 kristaps 1230:
1231: term_word(p, "is set to indicate the error.");
1.131 kristaps 1232: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1233:
1.68 kristaps 1234: return(0);
1.1 kristaps 1235: }
1236:
1237:
1238: /* ARGSUSED */
1239: static int
1240: termp_ex_pre(DECL_ARGS)
1241: {
1.224 kristaps 1242: int nchild;
1.1 kristaps 1243:
1.224 kristaps 1244: term_newln(p);
1.68 kristaps 1245: term_word(p, "The");
1.1 kristaps 1246:
1.224 kristaps 1247: nchild = n->nchild;
1248: for (n = n->child; n; n = n->next) {
1.102 kristaps 1249: term_fontpush(p, TERMFONT_BOLD);
1.224 kristaps 1250: term_word(p, n->string);
1.102 kristaps 1251: term_fontpop(p);
1.224 kristaps 1252:
1253: if (nchild > 2 && n->next) {
1254: p->flags |= TERMP_NOSPACE;
1.68 kristaps 1255: term_word(p, ",");
1.224 kristaps 1256: }
1257:
1258: if (n->next && NULL == n->next->next)
1259: term_word(p, "and");
1.68 kristaps 1260: }
1261:
1.224 kristaps 1262: if (nchild > 1)
1.68 kristaps 1263: term_word(p, "utilities exit");
1264: else
1265: term_word(p, "utility exits");
1266:
1267: term_word(p, "0 on success, and >0 if an error occurs.");
1.224 kristaps 1268:
1.131 kristaps 1269: p->flags |= TERMP_SENTENCE;
1.68 kristaps 1270: return(0);
1.1 kristaps 1271: }
1272:
1273:
1274: /* ARGSUSED */
1275: static int
1276: termp_nd_pre(DECL_ARGS)
1277: {
1.25 kristaps 1278:
1.86 kristaps 1279: if (MDOC_BODY != n->type)
1.25 kristaps 1280: return(1);
1.30 kristaps 1281:
1.27 kristaps 1282: #if defined(__OpenBSD__) || defined(__linux__)
1.41 kristaps 1283: term_word(p, "\\(en");
1.23 kristaps 1284: #else
1285: term_word(p, "\\(em");
1286: #endif
1.1 kristaps 1287: return(1);
1.115 kristaps 1288: }
1289:
1290:
1291: /* ARGSUSED */
1292: static int
1293: termp_bl_pre(DECL_ARGS)
1294: {
1295:
1296: return(MDOC_HEAD != n->type);
1.1 kristaps 1297: }
1298:
1299:
1300: /* ARGSUSED */
1301: static void
1302: termp_bl_post(DECL_ARGS)
1303: {
1304:
1.86 kristaps 1305: if (MDOC_BLOCK == n->type)
1.1 kristaps 1306: term_newln(p);
1307: }
1308:
1309: /* ARGSUSED */
1310: static int
1311: termp_xr_pre(DECL_ARGS)
1312: {
1313:
1.225 kristaps 1314: if (NULL == (n = n->child))
1.113 kristaps 1315: return(0);
1316:
1.225 kristaps 1317: assert(MDOC_TEXT == n->type);
1318: term_word(p, n->string);
1.11 kristaps 1319:
1.225 kristaps 1320: if (NULL == (n = n->next))
1.1 kristaps 1321: return(0);
1.225 kristaps 1322:
1.1 kristaps 1323: p->flags |= TERMP_NOSPACE;
1324: term_word(p, "(");
1.222 kristaps 1325: p->flags |= TERMP_NOSPACE;
1.225 kristaps 1326:
1327: assert(MDOC_TEXT == n->type);
1328: term_word(p, n->string);
1329:
1.222 kristaps 1330: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1331: term_word(p, ")");
1.86 kristaps 1332:
1.1 kristaps 1333: return(0);
1334: }
1335:
1.143 kristaps 1336: /*
1337: * This decides how to assert whitespace before any of the SYNOPSIS set
1338: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1339: * macro combos).
1340: */
1341: static void
1342: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1343: {
1344: /*
1345: * Obviously, if we're not in a SYNOPSIS or no prior macros
1346: * exist, do nothing.
1347: */
1.160 kristaps 1348: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143 kristaps 1349: return;
1350:
1351: /*
1352: * If we're the second in a pair of like elements, emit our
1353: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1354: * case we soldier on.
1355: */
1356: if (n->prev->tok == n->tok &&
1357: MDOC_Ft != n->tok &&
1358: MDOC_Fo != n->tok &&
1359: MDOC_Fn != n->tok) {
1360: term_newln(p);
1361: return;
1362: }
1363:
1364: /*
1365: * If we're one of the SYNOPSIS set and non-like pair-wise after
1366: * another (or Fn/Fo, which we've let slip through) then assert
1367: * vertical space, else only newline and move on.
1368: */
1369: switch (n->prev->tok) {
1370: case (MDOC_Fd):
1371: /* FALLTHROUGH */
1372: case (MDOC_Fn):
1373: /* FALLTHROUGH */
1374: case (MDOC_Fo):
1375: /* FALLTHROUGH */
1376: case (MDOC_In):
1377: /* FALLTHROUGH */
1378: case (MDOC_Vt):
1379: term_vspace(p);
1380: break;
1381: case (MDOC_Ft):
1382: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1383: term_vspace(p);
1384: break;
1385: }
1386: /* FALLTHROUGH */
1387: default:
1388: term_newln(p);
1389: break;
1390: }
1391: }
1392:
1393:
1.110 kristaps 1394: static int
1395: termp_vt_pre(DECL_ARGS)
1396: {
1397:
1.143 kristaps 1398: if (MDOC_ELEM == n->type) {
1399: synopsis_pre(p, n);
1.245 schwarze 1400: return(termp_under_pre(p, pair, meta, n));
1.143 kristaps 1401: } else if (MDOC_BLOCK == n->type) {
1402: synopsis_pre(p, n);
1403: return(1);
1404: } else if (MDOC_HEAD == n->type)
1.110 kristaps 1405: return(0);
1406:
1.245 schwarze 1407: return(termp_under_pre(p, pair, meta, n));
1.110 kristaps 1408: }
1409:
1410:
1.1 kristaps 1411: /* ARGSUSED */
1412: static int
1.69 kristaps 1413: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1414: {
1415:
1.102 kristaps 1416: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1417: return(1);
1418: }
1419:
1420:
1421: /* ARGSUSED */
1.143 kristaps 1422: static int
1423: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1424: {
1425:
1.143 kristaps 1426: synopsis_pre(p, n);
1.245 schwarze 1427: return(termp_bold_pre(p, pair, meta, n));
1.1 kristaps 1428: }
1429:
1430:
1431: /* ARGSUSED */
1.241 schwarze 1432: static void
1433: termp_fd_post(DECL_ARGS)
1434: {
1435:
1436: term_newln(p);
1437: }
1438:
1439:
1440: /* ARGSUSED */
1.1 kristaps 1441: static int
1442: termp_sh_pre(DECL_ARGS)
1443: {
1.85 kristaps 1444:
1445: /* No vspace between consecutive `Sh' calls. */
1446:
1.86 kristaps 1447: switch (n->type) {
1.65 kristaps 1448: case (MDOC_BLOCK):
1.86 kristaps 1449: if (n->prev && MDOC_Sh == n->prev->tok)
1450: if (NULL == n->prev->body->child)
1.65 kristaps 1451: break;
1452: term_vspace(p);
1453: break;
1.1 kristaps 1454: case (MDOC_HEAD):
1.102 kristaps 1455: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1456: break;
1457: case (MDOC_BODY):
1.238 schwarze 1458: p->offset = term_len(p, p->defindent);
1.239 schwarze 1459: if (SEC_AUTHORS == n->sec)
1460: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1461: break;
1462: default:
1463: break;
1464: }
1465: return(1);
1466: }
1467:
1468:
1469: /* ARGSUSED */
1470: static void
1471: termp_sh_post(DECL_ARGS)
1472: {
1473:
1.86 kristaps 1474: switch (n->type) {
1.1 kristaps 1475: case (MDOC_HEAD):
1476: term_newln(p);
1477: break;
1478: case (MDOC_BODY):
1479: term_newln(p);
1480: p->offset = 0;
1481: break;
1482: default:
1483: break;
1484: }
1485: }
1486:
1487:
1488: /* ARGSUSED */
1489: static int
1490: termp_bt_pre(DECL_ARGS)
1491: {
1492:
1493: term_word(p, "is currently in beta test.");
1.131 kristaps 1494: p->flags |= TERMP_SENTENCE;
1.81 kristaps 1495: return(0);
1.1 kristaps 1496: }
1497:
1498:
1499: /* ARGSUSED */
1500: static void
1501: termp_lb_post(DECL_ARGS)
1502: {
1503:
1.122 kristaps 1504: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81 kristaps 1505: term_newln(p);
1.1 kristaps 1506: }
1507:
1508:
1509: /* ARGSUSED */
1510: static int
1511: termp_ud_pre(DECL_ARGS)
1512: {
1513:
1514: term_word(p, "currently under development.");
1.131 kristaps 1515: p->flags |= TERMP_SENTENCE;
1.86 kristaps 1516: return(0);
1.1 kristaps 1517: }
1518:
1519:
1520: /* ARGSUSED */
1521: static int
1522: termp_d1_pre(DECL_ARGS)
1523: {
1524:
1.86 kristaps 1525: if (MDOC_BLOCK != n->type)
1.1 kristaps 1526: return(1);
1527: term_newln(p);
1.238 schwarze 1528: p->offset += term_len(p, p->defindent + 1);
1.1 kristaps 1529: return(1);
1530: }
1531:
1532:
1533: /* ARGSUSED */
1534: static int
1535: termp_ft_pre(DECL_ARGS)
1536: {
1537:
1.141 kristaps 1538: /* NB: MDOC_LINE does not effect this! */
1.143 kristaps 1539: synopsis_pre(p, n);
1.102 kristaps 1540: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1541: return(1);
1542: }
1543:
1544:
1545: /* ARGSUSED */
1546: static int
1547: termp_fn_pre(DECL_ARGS)
1548: {
1.257 schwarze 1549: size_t rmargin = 0;
1.226 kristaps 1550: int pretty;
1551:
1552: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1553:
1.143 kristaps 1554: synopsis_pre(p, n);
1.139 kristaps 1555:
1.226 kristaps 1556: if (NULL == (n = n->child))
1557: return(0);
1558:
1.251 schwarze 1559: if (pretty) {
1560: rmargin = p->rmargin;
1.257 schwarze 1561: p->rmargin = p->offset + term_len(p, 4);
1.251 schwarze 1562: p->flags |= TERMP_NOBREAK | TERMP_HANG;
1563: }
1564:
1.226 kristaps 1565: assert(MDOC_TEXT == n->type);
1.102 kristaps 1566: term_fontpush(p, TERMFONT_BOLD);
1.226 kristaps 1567: term_word(p, n->string);
1.102 kristaps 1568: term_fontpop(p);
1.1 kristaps 1569:
1.251 schwarze 1570: if (pretty) {
1571: term_flushln(p);
1572: p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
1573: p->offset = p->rmargin;
1574: p->rmargin = rmargin;
1575: }
1576:
1.1 kristaps 1577: p->flags |= TERMP_NOSPACE;
1578: term_word(p, "(");
1.222 kristaps 1579: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1580:
1.226 kristaps 1581: for (n = n->next; n; n = n->next) {
1582: assert(MDOC_TEXT == n->type);
1.102 kristaps 1583: term_fontpush(p, TERMFONT_UNDER);
1.255 schwarze 1584: if (pretty)
1585: p->flags |= TERMP_NBRWORD;
1.226 kristaps 1586: term_word(p, n->string);
1.102 kristaps 1587: term_fontpop(p);
1588:
1.226 kristaps 1589: if (n->next) {
1.222 kristaps 1590: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1591: term_word(p, ",");
1.222 kristaps 1592: }
1.1 kristaps 1593: }
1594:
1.222 kristaps 1595: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1596: term_word(p, ")");
1597:
1.226 kristaps 1598: if (pretty) {
1.222 kristaps 1599: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1600: term_word(p, ";");
1.251 schwarze 1601: term_flushln(p);
1.222 kristaps 1602: }
1.1 kristaps 1603:
1604: return(0);
1605: }
1606:
1607:
1608: /* ARGSUSED */
1609: static int
1610: termp_fa_pre(DECL_ARGS)
1611: {
1.86 kristaps 1612: const struct mdoc_node *nn;
1.1 kristaps 1613:
1.86 kristaps 1614: if (n->parent->tok != MDOC_Fo) {
1.102 kristaps 1615: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1616: return(1);
1617: }
1618:
1.86 kristaps 1619: for (nn = n->child; nn; nn = nn->next) {
1.102 kristaps 1620: term_fontpush(p, TERMFONT_UNDER);
1.258 schwarze 1621: p->flags |= TERMP_NBRWORD;
1.86 kristaps 1622: term_word(p, nn->string);
1.102 kristaps 1623: term_fontpop(p);
1624:
1.256 schwarze 1625: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222 kristaps 1626: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1627: term_word(p, ",");
1.222 kristaps 1628: }
1.1 kristaps 1629: }
1630:
1631: return(0);
1632: }
1633:
1634:
1635: /* ARGSUSED */
1636: static int
1637: termp_bd_pre(DECL_ARGS)
1638: {
1.179 kristaps 1639: size_t tabwidth, rm, rmax;
1.244 schwarze 1640: struct mdoc_node *nn;
1.1 kristaps 1641:
1.86 kristaps 1642: if (MDOC_BLOCK == n->type) {
1.151 kristaps 1643: print_bvspace(p, n, n);
1.54 kristaps 1644: return(1);
1.116 kristaps 1645: } else if (MDOC_HEAD == n->type)
1646: return(0);
1.1 kristaps 1647:
1.202 kristaps 1648: if (n->norm->Bd.offs)
1649: p->offset += a2offs(p, n->norm->Bd.offs);
1.85 kristaps 1650:
1651: /*
1652: * If -ragged or -filled are specified, the block does nothing
1653: * but change the indentation. If -unfilled or -literal are
1654: * specified, text is printed exactly as entered in the display:
1655: * for macro lines, a newline is appended to the line. Blank
1656: * lines are allowed.
1657: */
1.60 kristaps 1658:
1.202 kristaps 1659: if (DISP_literal != n->norm->Bd.type &&
1660: DISP_unfilled != n->norm->Bd.type)
1.1 kristaps 1661: return(1);
1662:
1.129 schwarze 1663: tabwidth = p->tabwidth;
1.208 kristaps 1664: if (DISP_literal == n->norm->Bd.type)
1665: p->tabwidth = term_len(p, 8);
1666:
1.119 kristaps 1667: rm = p->rmargin;
1668: rmax = p->maxrmargin;
1.120 kristaps 1669: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1670:
1.86 kristaps 1671: for (nn = n->child; nn; nn = nn->next) {
1.245 schwarze 1672: print_mdoc_node(p, pair, meta, nn);
1.190 kristaps 1673: /*
1674: * If the printed node flushes its own line, then we
1675: * needn't do it here as well. This is hacky, but the
1676: * notion of selective eoln whitespace is pretty dumb
1677: * anyway, so don't sweat it.
1678: */
1679: switch (nn->tok) {
1.193 kristaps 1680: case (MDOC_Sm):
1681: /* FALLTHROUGH */
1.190 kristaps 1682: case (MDOC_br):
1683: /* FALLTHROUGH */
1684: case (MDOC_sp):
1685: /* FALLTHROUGH */
1686: case (MDOC_Bl):
1.196 kristaps 1687: /* FALLTHROUGH */
1688: case (MDOC_D1):
1689: /* FALLTHROUGH */
1690: case (MDOC_Dl):
1.190 kristaps 1691: /* FALLTHROUGH */
1692: case (MDOC_Lp):
1693: /* FALLTHROUGH */
1694: case (MDOC_Pp):
1695: continue;
1696: default:
1697: break;
1698: }
1.180 schwarze 1699: if (nn->next && nn->next->line == nn->line)
1700: continue;
1701: term_flushln(p);
1702: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1703: }
1.147 kristaps 1704:
1.129 schwarze 1705: p->tabwidth = tabwidth;
1.119 kristaps 1706: p->rmargin = rm;
1707: p->maxrmargin = rmax;
1.1 kristaps 1708: return(0);
1709: }
1710:
1711:
1712: /* ARGSUSED */
1713: static void
1714: termp_bd_post(DECL_ARGS)
1715: {
1.119 kristaps 1716: size_t rm, rmax;
1.1 kristaps 1717:
1.86 kristaps 1718: if (MDOC_BODY != n->type)
1.1 kristaps 1719: return;
1.118 kristaps 1720:
1.119 kristaps 1721: rm = p->rmargin;
1722: rmax = p->maxrmargin;
1.118 kristaps 1723:
1.202 kristaps 1724: if (DISP_literal == n->norm->Bd.type ||
1725: DISP_unfilled == n->norm->Bd.type)
1.120 kristaps 1726: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1727:
1.60 kristaps 1728: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1729: term_newln(p);
1.118 kristaps 1730:
1.119 kristaps 1731: p->rmargin = rm;
1732: p->maxrmargin = rmax;
1.1 kristaps 1733: }
1734:
1735:
1736: /* ARGSUSED */
1.211 kristaps 1737: static int
1738: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1739: {
1740:
1.211 kristaps 1741: if (NULL != (n = n->child)) {
1742: term_word(p, n->string);
1743: p->flags |= TERMP_NOSPACE;
1744: term_word(p, "BSD");
1745: } else {
1746: term_word(p, "BSD");
1747: return(0);
1748: }
1749:
1750: if (NULL != (n = n->next)) {
1751: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1752: term_word(p, "-");
1.1 kristaps 1753: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1754: term_word(p, n->string);
1.211 kristaps 1755: }
1756:
1757: return(0);
1.1 kristaps 1758: }
1759:
1760:
1761: /* ARGSUSED */
1762: static int
1.26 kristaps 1763: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1764: {
1.26 kristaps 1765: const char *pp;
1.218 schwarze 1766: int flags;
1.1 kristaps 1767:
1.26 kristaps 1768: pp = NULL;
1.86 kristaps 1769: switch (n->tok) {
1.26 kristaps 1770: case (MDOC_Bsx):
1.194 schwarze 1771: pp = "BSD/OS";
1.26 kristaps 1772: break;
1773: case (MDOC_Dx):
1.100 kristaps 1774: pp = "DragonFly";
1.26 kristaps 1775: break;
1776: case (MDOC_Fx):
1777: pp = "FreeBSD";
1778: break;
1779: case (MDOC_Nx):
1780: pp = "NetBSD";
1781: break;
1782: case (MDOC_Ox):
1783: pp = "OpenBSD";
1784: break;
1785: case (MDOC_Ux):
1786: pp = "UNIX";
1787: break;
1788: default:
1.246 schwarze 1789: abort();
1790: /* NOTREACHED */
1.26 kristaps 1791: }
1.1 kristaps 1792:
1.26 kristaps 1793: term_word(p, pp);
1.214 kristaps 1794: if (n->child) {
1.218 schwarze 1795: flags = p->flags;
1.214 kristaps 1796: p->flags |= TERMP_KEEP;
1797: term_word(p, n->child->string);
1.218 schwarze 1798: p->flags = flags;
1.214 kristaps 1799: }
1800: return(0);
1.1 kristaps 1801: }
1802:
1803:
1804: /* ARGSUSED */
1805: static void
1806: termp_pf_post(DECL_ARGS)
1807: {
1808:
1809: p->flags |= TERMP_NOSPACE;
1810: }
1811:
1812:
1813: /* ARGSUSED */
1814: static int
1815: termp_ss_pre(DECL_ARGS)
1816: {
1817:
1.86 kristaps 1818: switch (n->type) {
1.1 kristaps 1819: case (MDOC_BLOCK):
1820: term_newln(p);
1.86 kristaps 1821: if (n->prev)
1.1 kristaps 1822: term_vspace(p);
1823: break;
1824: case (MDOC_HEAD):
1.102 kristaps 1825: term_fontpush(p, TERMFONT_BOLD);
1.238 schwarze 1826: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1827: break;
1828: default:
1829: break;
1830: }
1831:
1832: return(1);
1833: }
1834:
1835:
1836: /* ARGSUSED */
1837: static void
1838: termp_ss_post(DECL_ARGS)
1839: {
1840:
1.86 kristaps 1841: if (MDOC_HEAD == n->type)
1.1 kristaps 1842: term_newln(p);
1843: }
1844:
1845:
1846: /* ARGSUSED */
1847: static int
1848: termp_cd_pre(DECL_ARGS)
1849: {
1850:
1.143 kristaps 1851: synopsis_pre(p, n);
1.102 kristaps 1852: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1853: return(1);
1854: }
1855:
1856:
1857: /* ARGSUSED */
1858: static int
1859: termp_in_pre(DECL_ARGS)
1860: {
1.142 schwarze 1861:
1.143 kristaps 1862: synopsis_pre(p, n);
1.1 kristaps 1863:
1.160 kristaps 1864: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138 kristaps 1865: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1866: term_word(p, "#include");
1.138 kristaps 1867: term_word(p, "<");
1868: } else {
1869: term_word(p, "<");
1870: term_fontpush(p, TERMFONT_UNDER);
1871: }
1.22 kristaps 1872:
1.1 kristaps 1873: p->flags |= TERMP_NOSPACE;
1874: return(1);
1875: }
1876:
1877:
1878: /* ARGSUSED */
1879: static void
1880: termp_in_post(DECL_ARGS)
1881: {
1882:
1.160 kristaps 1883: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1884: term_fontpush(p, TERMFONT_BOLD);
1885:
1.79 kristaps 1886: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1887: term_word(p, ">");
1888:
1.160 kristaps 1889: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1890: term_fontpop(p);
1.1 kristaps 1891: }
1892:
1893:
1894: /* ARGSUSED */
1895: static int
1.45 kristaps 1896: termp_sp_pre(DECL_ARGS)
1897: {
1.91 kristaps 1898: size_t i, len;
1.45 kristaps 1899:
1.86 kristaps 1900: switch (n->tok) {
1.76 kristaps 1901: case (MDOC_sp):
1.157 kristaps 1902: len = n->child ? a2height(p, n->child->string) : 1;
1.76 kristaps 1903: break;
1904: case (MDOC_br):
1905: len = 0;
1906: break;
1907: default:
1908: len = 1;
1909: break;
1.45 kristaps 1910: }
1911:
1912: if (0 == len)
1913: term_newln(p);
1914: for (i = 0; i < len; i++)
1915: term_vspace(p);
1916:
1917: return(0);
1918: }
1919:
1920:
1.189 kristaps 1921: /* ARGSUSED */
1.45 kristaps 1922: static int
1.188 kristaps 1923: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1924: {
1925:
1.203 kristaps 1926: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1927: return(1);
1928:
1.188 kristaps 1929: switch (n->tok) {
1930: case (MDOC_Ao):
1931: /* FALLTHROUGH */
1932: case (MDOC_Aq):
1933: term_word(p, "<");
1934: break;
1935: case (MDOC_Bro):
1936: /* FALLTHROUGH */
1937: case (MDOC_Brq):
1938: term_word(p, "{");
1939: break;
1940: case (MDOC_Oo):
1941: /* FALLTHROUGH */
1942: case (MDOC_Op):
1943: /* FALLTHROUGH */
1944: case (MDOC_Bo):
1945: /* FALLTHROUGH */
1946: case (MDOC_Bq):
1947: term_word(p, "[");
1948: break;
1949: case (MDOC_Do):
1950: /* FALLTHROUGH */
1951: case (MDOC_Dq):
1.249 schwarze 1952: term_word(p, "\\(lq");
1.188 kristaps 1953: break;
1.237 schwarze 1954: case (MDOC_Eo):
1955: break;
1.188 kristaps 1956: case (MDOC_Po):
1957: /* FALLTHROUGH */
1958: case (MDOC_Pq):
1959: term_word(p, "(");
1960: break;
1.205 kristaps 1961: case (MDOC__T):
1962: /* FALLTHROUGH */
1.188 kristaps 1963: case (MDOC_Qo):
1964: /* FALLTHROUGH */
1965: case (MDOC_Qq):
1966: term_word(p, "\"");
1967: break;
1968: case (MDOC_Ql):
1969: /* FALLTHROUGH */
1970: case (MDOC_So):
1971: /* FALLTHROUGH */
1972: case (MDOC_Sq):
1.249 schwarze 1973: term_word(p, "\\(oq");
1.188 kristaps 1974: break;
1975: default:
1976: abort();
1977: /* NOTREACHED */
1978: }
1.1 kristaps 1979:
1980: p->flags |= TERMP_NOSPACE;
1981: return(1);
1982: }
1983:
1984:
1.189 kristaps 1985: /* ARGSUSED */
1.1 kristaps 1986: static void
1.188 kristaps 1987: termp_quote_post(DECL_ARGS)
1.1 kristaps 1988: {
1989:
1.203 kristaps 1990: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1991: return;
1992:
1993: p->flags |= TERMP_NOSPACE;
1994:
1.188 kristaps 1995: switch (n->tok) {
1996: case (MDOC_Ao):
1997: /* FALLTHROUGH */
1998: case (MDOC_Aq):
1999: term_word(p, ">");
2000: break;
2001: case (MDOC_Bro):
2002: /* FALLTHROUGH */
2003: case (MDOC_Brq):
2004: term_word(p, "}");
2005: break;
2006: case (MDOC_Oo):
2007: /* FALLTHROUGH */
2008: case (MDOC_Op):
2009: /* FALLTHROUGH */
2010: case (MDOC_Bo):
2011: /* FALLTHROUGH */
2012: case (MDOC_Bq):
2013: term_word(p, "]");
2014: break;
2015: case (MDOC_Do):
2016: /* FALLTHROUGH */
2017: case (MDOC_Dq):
1.249 schwarze 2018: term_word(p, "\\(rq");
1.237 schwarze 2019: break;
2020: case (MDOC_Eo):
1.188 kristaps 2021: break;
2022: case (MDOC_Po):
2023: /* FALLTHROUGH */
2024: case (MDOC_Pq):
2025: term_word(p, ")");
2026: break;
1.205 kristaps 2027: case (MDOC__T):
2028: /* FALLTHROUGH */
1.188 kristaps 2029: case (MDOC_Qo):
2030: /* FALLTHROUGH */
2031: case (MDOC_Qq):
2032: term_word(p, "\"");
2033: break;
2034: case (MDOC_Ql):
2035: /* FALLTHROUGH */
2036: case (MDOC_So):
2037: /* FALLTHROUGH */
2038: case (MDOC_Sq):
1.249 schwarze 2039: term_word(p, "\\(cq");
1.188 kristaps 2040: break;
2041: default:
2042: abort();
2043: /* NOTREACHED */
2044: }
1.1 kristaps 2045: }
2046:
2047:
2048: /* ARGSUSED */
2049: static int
2050: termp_fo_pre(DECL_ARGS)
2051: {
1.257 schwarze 2052: size_t rmargin = 0;
1.256 schwarze 2053: int pretty;
2054:
2055: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 2056:
1.141 kristaps 2057: if (MDOC_BLOCK == n->type) {
1.143 kristaps 2058: synopsis_pre(p, n);
1.141 kristaps 2059: return(1);
2060: } else if (MDOC_BODY == n->type) {
1.256 schwarze 2061: if (pretty) {
2062: rmargin = p->rmargin;
1.257 schwarze 2063: p->rmargin = p->offset + term_len(p, 4);
1.256 schwarze 2064: p->flags |= TERMP_NOBREAK | TERMP_HANG;
2065: }
1.33 kristaps 2066: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2067: term_word(p, "(");
1.222 kristaps 2068: p->flags |= TERMP_NOSPACE;
1.256 schwarze 2069: if (pretty) {
2070: term_flushln(p);
2071: p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
2072: p->offset = p->rmargin;
2073: p->rmargin = rmargin;
2074: }
1.1 kristaps 2075: return(1);
1.256 schwarze 2076: }
1.141 kristaps 2077:
1.169 kristaps 2078: if (NULL == n->child)
2079: return(0);
2080:
1.141 kristaps 2081: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2082:
1.141 kristaps 2083: assert(n->child->string);
1.102 kristaps 2084: term_fontpush(p, TERMFONT_BOLD);
1.141 kristaps 2085: term_word(p, n->child->string);
1.1 kristaps 2086: return(0);
2087: }
2088:
2089:
2090: /* ARGSUSED */
2091: static void
2092: termp_fo_post(DECL_ARGS)
2093: {
2094:
1.143 kristaps 2095: if (MDOC_BODY != n->type)
2096: return;
2097:
1.222 kristaps 2098: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2099: term_word(p, ")");
2100:
1.222 kristaps 2101: if (MDOC_SYNPRETTY & n->flags) {
2102: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2103: term_word(p, ";");
1.256 schwarze 2104: term_flushln(p);
1.222 kristaps 2105: }
1.1 kristaps 2106: }
2107:
2108:
2109: /* ARGSUSED */
2110: static int
2111: termp_bf_pre(DECL_ARGS)
2112: {
2113:
1.86 kristaps 2114: if (MDOC_HEAD == n->type)
1.1 kristaps 2115: return(0);
1.244 schwarze 2116: else if (MDOC_BODY != n->type)
1.1 kristaps 2117: return(1);
2118:
1.202 kristaps 2119: if (FONT_Em == n->norm->Bf.font)
1.102 kristaps 2120: term_fontpush(p, TERMFONT_UNDER);
1.202 kristaps 2121: else if (FONT_Sy == n->norm->Bf.font)
1.102 kristaps 2122: term_fontpush(p, TERMFONT_BOLD);
1.167 kristaps 2123: else
1.102 kristaps 2124: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2125:
2126: return(1);
2127: }
2128:
2129:
2130: /* ARGSUSED */
2131: static int
2132: termp_sm_pre(DECL_ARGS)
2133: {
2134:
1.86 kristaps 2135: assert(n->child && MDOC_TEXT == n->child->type);
1.174 schwarze 2136: if (0 == strcmp("on", n->child->string)) {
2137: if (p->col)
2138: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2139: p->flags &= ~TERMP_NONOSPACE;
1.174 schwarze 2140: } else
1.1 kristaps 2141: p->flags |= TERMP_NONOSPACE;
2142:
2143: return(0);
2144: }
2145:
2146:
2147: /* ARGSUSED */
2148: static int
2149: termp_ap_pre(DECL_ARGS)
2150: {
2151:
2152: p->flags |= TERMP_NOSPACE;
1.188 kristaps 2153: term_word(p, "'");
1.1 kristaps 2154: p->flags |= TERMP_NOSPACE;
2155: return(1);
2156: }
2157:
2158:
2159: /* ARGSUSED */
2160: static void
2161: termp____post(DECL_ARGS)
2162: {
1.184 kristaps 2163:
2164: /*
2165: * Handle lists of authors. In general, print each followed by
2166: * a comma. Don't print the comma if there are only two
2167: * authors.
2168: */
2169: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2170: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2171: if (NULL == n->prev || MDOC__A != n->prev->tok)
2172: return;
1.1 kristaps 2173:
1.95 kristaps 2174: /* TODO: %U. */
2175:
1.187 kristaps 2176: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2177: return;
2178:
1.222 kristaps 2179: p->flags |= TERMP_NOSPACE;
1.186 kristaps 2180: if (NULL == n->next) {
2181: term_word(p, ".");
2182: p->flags |= TERMP_SENTENCE;
2183: } else
2184: term_word(p, ",");
1.1 kristaps 2185: }
2186:
2187:
2188: /* ARGSUSED */
2189: static int
1.102 kristaps 2190: termp_li_pre(DECL_ARGS)
2191: {
2192:
2193: term_fontpush(p, TERMFONT_NONE);
2194: return(1);
2195: }
2196:
2197:
2198: /* ARGSUSED */
2199: static int
1.1 kristaps 2200: termp_lk_pre(DECL_ARGS)
2201: {
1.240 schwarze 2202: const struct mdoc_node *link, *descr;
1.1 kristaps 2203:
1.240 schwarze 2204: if (NULL == (link = n->child))
2205: return(0);
1.181 kristaps 2206:
1.240 schwarze 2207: if (NULL != (descr = link->next)) {
2208: term_fontpush(p, TERMFONT_UNDER);
2209: while (NULL != descr) {
2210: term_word(p, descr->string);
2211: descr = descr->next;
2212: }
2213: p->flags |= TERMP_NOSPACE;
2214: term_word(p, ":");
2215: term_fontpop(p);
2216: }
1.1 kristaps 2217:
1.102 kristaps 2218: term_fontpush(p, TERMFONT_BOLD);
1.240 schwarze 2219: term_word(p, link->string);
1.102 kristaps 2220: term_fontpop(p);
1.12 kristaps 2221:
1.1 kristaps 2222: return(0);
2223: }
2224:
1.159 schwarze 2225:
2226: /* ARGSUSED */
2227: static int
2228: termp_bk_pre(DECL_ARGS)
2229: {
2230:
1.161 schwarze 2231: switch (n->type) {
2232: case (MDOC_BLOCK):
1.166 kristaps 2233: break;
1.161 schwarze 2234: case (MDOC_HEAD):
2235: return(0);
2236: case (MDOC_BODY):
1.200 schwarze 2237: if (n->parent->args || 0 == n->prev->nchild)
2238: p->flags |= TERMP_PREKEEP;
1.166 kristaps 2239: break;
1.161 schwarze 2240: default:
2241: abort();
1.166 kristaps 2242: /* NOTREACHED */
1.161 schwarze 2243: }
1.166 kristaps 2244:
2245: return(1);
1.159 schwarze 2246: }
2247:
2248:
2249: /* ARGSUSED */
2250: static void
2251: termp_bk_post(DECL_ARGS)
2252: {
2253:
1.253 schwarze 2254: if (MDOC_BODY == n->type)
1.161 schwarze 2255: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203 kristaps 2256: }
2257:
2258: /* ARGSUSED */
2259: static void
2260: termp__t_post(DECL_ARGS)
2261: {
2262:
2263: /*
2264: * If we're in an `Rs' and there's a journal present, then quote
2265: * us instead of underlining us (for disambiguation).
2266: */
1.217 schwarze 2267: if (n->parent && MDOC_Rs == n->parent->tok &&
1.210 kristaps 2268: n->parent->norm->Rs.quote_T)
1.245 schwarze 2269: termp_quote_post(p, pair, meta, n);
1.203 kristaps 2270:
1.245 schwarze 2271: termp____post(p, pair, meta, n);
1.203 kristaps 2272: }
2273:
2274: /* ARGSUSED */
2275: static int
2276: termp__t_pre(DECL_ARGS)
2277: {
2278:
2279: /*
2280: * If we're in an `Rs' and there's a journal present, then quote
2281: * us instead of underlining us (for disambiguation).
2282: */
2283: if (n->parent && MDOC_Rs == n->parent->tok &&
1.210 kristaps 2284: n->parent->norm->Rs.quote_T)
1.245 schwarze 2285: return(termp_quote_pre(p, pair, meta, n));
1.203 kristaps 2286:
2287: term_fontpush(p, TERMFONT_UNDER);
2288: return(1);
1.159 schwarze 2289: }
1.1 kristaps 2290:
2291: /* ARGSUSED */
2292: static int
1.69 kristaps 2293: termp_under_pre(DECL_ARGS)
1.1 kristaps 2294: {
2295:
1.102 kristaps 2296: term_fontpush(p, TERMFONT_UNDER);
1.84 kristaps 2297: return(1);
2298: }
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