Annotation of mandoc/mdoc_term.c, Revision 1.259
1.259 ! schwarze 1: /* $Id: mdoc_term.c,v 1.258 2013/12/25 21:24:12 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);
1.31 kristaps 107: static int termp_lk_pre(DECL_ARGS);
108: static int termp_nd_pre(DECL_ARGS);
109: static int termp_nm_pre(DECL_ARGS);
110: static int termp_ns_pre(DECL_ARGS);
1.188 kristaps 111: static int termp_quote_pre(DECL_ARGS);
1.31 kristaps 112: static int termp_rs_pre(DECL_ARGS);
113: static int termp_rv_pre(DECL_ARGS);
114: static int termp_sh_pre(DECL_ARGS);
115: static int termp_sm_pre(DECL_ARGS);
1.45 kristaps 116: static int termp_sp_pre(DECL_ARGS);
1.31 kristaps 117: static int termp_ss_pre(DECL_ARGS);
1.69 kristaps 118: static int termp_under_pre(DECL_ARGS);
1.31 kristaps 119: static int termp_ud_pre(DECL_ARGS);
1.110 kristaps 120: static int termp_vt_pre(DECL_ARGS);
1.31 kristaps 121: static int termp_xr_pre(DECL_ARGS);
122: static int termp_xx_pre(DECL_ARGS);
123:
1.70 kristaps 124: static const struct termact termacts[MDOC_MAX] = {
1.14 kristaps 125: { termp_ap_pre, NULL }, /* Ap */
1.1 kristaps 126: { NULL, NULL }, /* Dd */
127: { NULL, NULL }, /* Dt */
128: { NULL, NULL }, /* Os */
129: { termp_sh_pre, termp_sh_post }, /* Sh */
130: { termp_ss_pre, termp_ss_post }, /* Ss */
1.76 kristaps 131: { termp_sp_pre, NULL }, /* Pp */
1.241 schwarze 132: { termp_d1_pre, termp_bl_post }, /* D1 */
133: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 134: { termp_bd_pre, termp_bd_post }, /* Bd */
135: { NULL, NULL }, /* Ed */
1.115 kristaps 136: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 137: { NULL, NULL }, /* El */
138: { termp_it_pre, termp_it_post }, /* It */
1.178 kristaps 139: { termp_under_pre, NULL }, /* Ad */
1.61 kristaps 140: { termp_an_pre, termp_an_post }, /* An */
1.69 kristaps 141: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 142: { termp_cd_pre, NULL }, /* Cd */
1.69 kristaps 143: { termp_bold_pre, NULL }, /* Cm */
1.1 kristaps 144: { NULL, NULL }, /* Dv */
145: { NULL, NULL }, /* Er */
146: { NULL, NULL }, /* Ev */
147: { termp_ex_pre, NULL }, /* Ex */
148: { termp_fa_pre, NULL }, /* Fa */
1.241 schwarze 149: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 150: { termp_fl_pre, NULL }, /* Fl */
1.143 kristaps 151: { termp_fn_pre, NULL }, /* Fn */
1.141 kristaps 152: { termp_ft_pre, NULL }, /* Ft */
1.69 kristaps 153: { termp_bold_pre, NULL }, /* Ic */
1.1 kristaps 154: { termp_in_pre, termp_in_post }, /* In */
1.102 kristaps 155: { termp_li_pre, NULL }, /* Li */
1.1 kristaps 156: { termp_nd_pre, NULL }, /* Nd */
1.164 schwarze 157: { termp_nm_pre, termp_nm_post }, /* Nm */
1.188 kristaps 158: { termp_quote_pre, termp_quote_post }, /* Op */
1.1 kristaps 159: { NULL, NULL }, /* Ot */
1.69 kristaps 160: { termp_under_pre, NULL }, /* Pa */
1.1 kristaps 161: { termp_rv_pre, NULL }, /* Rv */
1.36 kristaps 162: { NULL, NULL }, /* St */
1.69 kristaps 163: { termp_under_pre, NULL }, /* Va */
1.143 kristaps 164: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 165: { termp_xr_pre, NULL }, /* Xr */
1.184 kristaps 166: { termp__a_pre, termp____post }, /* %A */
1.84 kristaps 167: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 168: { NULL, termp____post }, /* %D */
1.84 kristaps 169: { termp_under_pre, termp____post }, /* %I */
1.69 kristaps 170: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 171: { NULL, termp____post }, /* %N */
172: { NULL, termp____post }, /* %O */
173: { NULL, termp____post }, /* %P */
174: { NULL, termp____post }, /* %R */
1.203 kristaps 175: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 176: { NULL, termp____post }, /* %V */
177: { NULL, NULL }, /* Ac */
1.188 kristaps 178: { termp_quote_pre, termp_quote_post }, /* Ao */
179: { termp_quote_pre, termp_quote_post }, /* Aq */
1.35 kristaps 180: { NULL, NULL }, /* At */
1.1 kristaps 181: { NULL, NULL }, /* Bc */
182: { termp_bf_pre, NULL }, /* Bf */
1.188 kristaps 183: { termp_quote_pre, termp_quote_post }, /* Bo */
184: { termp_quote_pre, termp_quote_post }, /* Bq */
1.26 kristaps 185: { termp_xx_pre, NULL }, /* Bsx */
1.211 kristaps 186: { termp_bx_pre, NULL }, /* Bx */
1.1 kristaps 187: { NULL, NULL }, /* Db */
188: { NULL, NULL }, /* Dc */
1.188 kristaps 189: { termp_quote_pre, termp_quote_post }, /* Do */
190: { termp_quote_pre, termp_quote_post }, /* Dq */
1.112 kristaps 191: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 192: { NULL, NULL }, /* Ef */
1.69 kristaps 193: { termp_under_pre, NULL }, /* Em */
1.237 schwarze 194: { termp_quote_pre, termp_quote_post }, /* Eo */
1.26 kristaps 195: { termp_xx_pre, NULL }, /* Fx */
1.176 kristaps 196: { termp_bold_pre, NULL }, /* Ms */
1.254 schwarze 197: { NULL, NULL }, /* No */
1.1 kristaps 198: { termp_ns_pre, NULL }, /* Ns */
1.26 kristaps 199: { termp_xx_pre, NULL }, /* Nx */
200: { termp_xx_pre, NULL }, /* Ox */
1.1 kristaps 201: { NULL, NULL }, /* Pc */
1.254 schwarze 202: { NULL, termp_pf_post }, /* Pf */
1.188 kristaps 203: { termp_quote_pre, termp_quote_post }, /* Po */
204: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 205: { NULL, NULL }, /* Qc */
1.188 kristaps 206: { termp_quote_pre, termp_quote_post }, /* Ql */
207: { termp_quote_pre, termp_quote_post }, /* Qo */
208: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 209: { NULL, NULL }, /* Re */
210: { termp_rs_pre, NULL }, /* Rs */
211: { NULL, NULL }, /* Sc */
1.188 kristaps 212: { termp_quote_pre, termp_quote_post }, /* So */
213: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 214: { termp_sm_pre, NULL }, /* Sm */
1.69 kristaps 215: { termp_under_pre, NULL }, /* Sx */
216: { termp_bold_pre, NULL }, /* Sy */
1.1 kristaps 217: { NULL, NULL }, /* Tn */
1.26 kristaps 218: { termp_xx_pre, NULL }, /* Ux */
1.1 kristaps 219: { NULL, NULL }, /* Xc */
220: { NULL, NULL }, /* Xo */
221: { termp_fo_pre, termp_fo_post }, /* Fo */
222: { NULL, NULL }, /* Fc */
1.188 kristaps 223: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 224: { NULL, NULL }, /* Oc */
1.159 schwarze 225: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 226: { NULL, NULL }, /* Ek */
227: { termp_bt_pre, NULL }, /* Bt */
228: { NULL, NULL }, /* Hf */
229: { NULL, NULL }, /* Fr */
230: { termp_ud_pre, NULL }, /* Ud */
1.37 kristaps 231: { NULL, termp_lb_post }, /* Lb */
1.76 kristaps 232: { termp_sp_pre, NULL }, /* Lp */
1.1 kristaps 233: { termp_lk_pre, NULL }, /* Lk */
1.69 kristaps 234: { termp_under_pre, NULL }, /* Mt */
1.188 kristaps 235: { termp_quote_pre, termp_quote_post }, /* Brq */
236: { termp_quote_pre, termp_quote_post }, /* Bro */
1.1 kristaps 237: { NULL, NULL }, /* Brc */
1.83 kristaps 238: { NULL, termp____post }, /* %C */
1.81 kristaps 239: { NULL, NULL }, /* Es */ /* TODO */
240: { NULL, NULL }, /* En */ /* TODO */
1.26 kristaps 241: { termp_xx_pre, NULL }, /* Dx */
1.83 kristaps 242: { NULL, termp____post }, /* %Q */
1.76 kristaps 243: { termp_sp_pre, NULL }, /* br */
1.45 kristaps 244: { termp_sp_pre, NULL }, /* sp */
1.243 schwarze 245: { NULL, termp____post }, /* %U */
1.135 kristaps 246: { NULL, NULL }, /* Ta */
1.1 kristaps 247: };
248:
249:
1.70 kristaps 250: void
1.89 kristaps 251: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1 kristaps 252: {
1.70 kristaps 253: const struct mdoc_node *n;
1.245 schwarze 254: const struct mdoc_meta *meta;
1.89 kristaps 255: struct termp *p;
256:
257: p = (struct termp *)arg;
1.111 kristaps 258:
1.238 schwarze 259: if (0 == p->defindent)
260: p->defindent = 5;
261:
1.111 kristaps 262: p->overstep = 0;
1.123 joerg 263: p->maxrmargin = p->defrmargin;
1.157 kristaps 264: p->tabwidth = term_len(p, 5);
1.89 kristaps 265:
266: if (NULL == p->symtab)
1.230 kristaps 267: p->symtab = mchars_alloc();
1.70 kristaps 268:
269: n = mdoc_node(mdoc);
1.245 schwarze 270: meta = mdoc_meta(mdoc);
1.146 schwarze 271:
1.245 schwarze 272: term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
1.70 kristaps 273:
274: if (n->child)
1.245 schwarze 275: print_mdoc_nodelist(p, NULL, meta, n->child);
1.144 kristaps 276:
277: term_end(p);
1.1 kristaps 278: }
279:
280:
1.3 kristaps 281: static void
1.102 kristaps 282: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 283: {
284:
1.245 schwarze 285: print_mdoc_node(p, pair, meta, n);
1.86 kristaps 286: if (n->next)
1.245 schwarze 287: print_mdoc_nodelist(p, pair, meta, n->next);
1.1 kristaps 288: }
289:
290:
1.70 kristaps 291: /* ARGSUSED */
1.3 kristaps 292: static void
1.102 kristaps 293: print_mdoc_node(DECL_ARGS)
1.1 kristaps 294: {
1.102 kristaps 295: int chld;
1.1 kristaps 296: struct termpair npair;
1.30 kristaps 297: size_t offset, rmargin;
1.1 kristaps 298:
1.70 kristaps 299: chld = 1;
1.29 kristaps 300: offset = p->offset;
1.30 kristaps 301: rmargin = p->rmargin;
1.244 schwarze 302: n->prev_font = term_fontq(p);
1.29 kristaps 303:
1.97 kristaps 304: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 305: npair.ppair = pair;
1.172 kristaps 306:
307: /*
308: * Keeps only work until the end of a line. If a keep was
309: * invoked in a prior line, revert it to PREKEEP.
310: */
311:
1.253 schwarze 312: if (TERMP_KEEP & p->flags) {
1.252 schwarze 313: if (n->prev ? (n->prev->lastline != n->line) :
1.248 schwarze 314: (n->parent && n->parent->line != n->line)) {
1.172 kristaps 315: p->flags &= ~TERMP_KEEP;
316: p->flags |= TERMP_PREKEEP;
317: }
318: }
1.197 schwarze 319:
320: /*
1.217 schwarze 321: * After the keep flags have been set up, we may now
322: * produce output. Note that some pre-handlers do so.
323: */
324:
325: switch (n->type) {
326: case (MDOC_TEXT):
327: if (' ' == *n->string && MDOC_LINE & n->flags)
328: term_newln(p);
1.222 kristaps 329: if (MDOC_DELIMC & n->flags)
330: p->flags |= TERMP_NOSPACE;
1.217 schwarze 331: term_word(p, n->string);
1.222 kristaps 332: if (MDOC_DELIMO & n->flags)
333: p->flags |= TERMP_NOSPACE;
1.217 schwarze 334: break;
335: case (MDOC_EQN):
1.233 kristaps 336: term_eqn(p, n->eqn);
1.217 schwarze 337: break;
338: case (MDOC_TBL):
339: term_tbl(p, n->span);
340: break;
341: default:
342: if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
343: chld = (*termacts[n->tok].pre)
1.245 schwarze 344: (p, &npair, meta, n);
1.217 schwarze 345: break;
346: }
347:
1.86 kristaps 348: if (chld && n->child)
1.245 schwarze 349: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 350:
1.244 schwarze 351: term_fontpopq(p,
352: (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.46 kristaps 353:
1.206 kristaps 354: switch (n->type) {
355: case (MDOC_TEXT):
356: break;
357: case (MDOC_TBL):
1.216 kristaps 358: break;
359: case (MDOC_EQN):
1.206 kristaps 360: break;
361: default:
362: if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
363: break;
1.245 schwarze 364: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162 schwarze 365:
366: /*
367: * Explicit end tokens not only call the post
368: * handler, but also tell the respective block
369: * that it must not call the post handler again.
370: */
1.165 kristaps 371: if (ENDBODY_NOT != n->end)
1.162 schwarze 372: n->pending->flags |= MDOC_ENDED;
373:
374: /*
375: * End of line terminating an implicit block
376: * while an explicit block is still open.
377: * Continue the explicit block without spacing.
378: */
379: if (ENDBODY_NOSPACE == n->end)
380: p->flags |= TERMP_NOSPACE;
1.206 kristaps 381: break;
1.162 schwarze 382: }
1.121 kristaps 383:
384: if (MDOC_EOS & n->flags)
385: p->flags |= TERMP_SENTENCE;
1.29 kristaps 386:
387: p->offset = offset;
1.30 kristaps 388: p->rmargin = rmargin;
1.1 kristaps 389: }
390:
391:
1.3 kristaps 392: static void
1.145 kristaps 393: print_mdoc_foot(struct termp *p, const void *arg)
1.1 kristaps 394: {
1.245 schwarze 395: const struct mdoc_meta *meta;
1.144 kristaps 396:
1.245 schwarze 397: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 398:
1.102 kristaps 399: term_fontrepl(p, TERMFONT_NONE);
1.101 kristaps 400:
1.9 kristaps 401: /*
402: * Output the footer in new-groff style, that is, three columns
403: * with the middle being the manual date and flanking columns
404: * being the operating system:
405: *
406: * SYSTEM DATE SYSTEM
407: */
408:
1.1 kristaps 409: term_vspace(p);
410:
1.9 kristaps 411: p->offset = 0;
1.157 kristaps 412: p->rmargin = (p->maxrmargin -
1.245 schwarze 413: term_strlen(p, meta->date) + term_len(p, 1)) / 2;
1.250 schwarze 414: p->trailspace = 1;
1.1 kristaps 415: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
416:
1.245 schwarze 417: term_word(p, meta->os);
1.1 kristaps 418: term_flushln(p);
419:
1.9 kristaps 420: p->offset = p->rmargin;
1.245 schwarze 421: p->rmargin = p->maxrmargin - term_strlen(p, meta->os);
1.234 schwarze 422: p->flags |= TERMP_NOSPACE;
1.9 kristaps 423:
1.245 schwarze 424: term_word(p, meta->date);
1.9 kristaps 425: term_flushln(p);
426:
1.1 kristaps 427: p->offset = p->rmargin;
428: p->rmargin = p->maxrmargin;
1.250 schwarze 429: p->trailspace = 0;
1.1 kristaps 430: p->flags &= ~TERMP_NOBREAK;
1.234 schwarze 431: p->flags |= TERMP_NOSPACE;
1.1 kristaps 432:
1.245 schwarze 433: term_word(p, meta->os);
1.1 kristaps 434: term_flushln(p);
435:
1.9 kristaps 436: p->offset = 0;
437: p->rmargin = p->maxrmargin;
438: p->flags = 0;
1.1 kristaps 439: }
440:
441:
1.3 kristaps 442: static void
1.144 kristaps 443: print_mdoc_head(struct termp *p, const void *arg)
1.1 kristaps 444: {
1.98 kristaps 445: char buf[BUFSIZ], title[BUFSIZ];
1.235 schwarze 446: size_t buflen, titlen;
1.245 schwarze 447: const struct mdoc_meta *meta;
1.144 kristaps 448:
1.245 schwarze 449: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 450:
451: /*
452: * The header is strange. It has three components, which are
453: * really two with the first duplicated. It goes like this:
454: *
455: * IDENTIFIER TITLE IDENTIFIER
456: *
457: * The IDENTIFIER is NAME(SECTION), which is the command-name
458: * (if given, or "unknown" if not) followed by the manual page
459: * section. These are given in `Dt'. The TITLE is a free-form
460: * string depending on the manual volume. If not specified, it
461: * switches on the manual section.
462: */
463:
1.235 schwarze 464: p->offset = 0;
465: p->rmargin = p->maxrmargin;
466:
1.245 schwarze 467: assert(meta->vol);
468: strlcpy(buf, meta->vol, BUFSIZ);
1.235 schwarze 469: buflen = term_strlen(p, buf);
1.1 kristaps 470:
1.245 schwarze 471: if (meta->arch) {
1.98 kristaps 472: strlcat(buf, " (", BUFSIZ);
1.245 schwarze 473: strlcat(buf, meta->arch, BUFSIZ);
1.98 kristaps 474: strlcat(buf, ")", BUFSIZ);
1.1 kristaps 475: }
476:
1.245 schwarze 477: snprintf(title, BUFSIZ, "%s(%s)", meta->title, meta->msec);
1.235 schwarze 478: titlen = term_strlen(p, title);
1.1 kristaps 479:
1.235 schwarze 480: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250 schwarze 481: p->trailspace = 1;
1.1 kristaps 482: p->offset = 0;
1.235 schwarze 483: p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
484: (p->maxrmargin -
485: term_strlen(p, buf) + term_len(p, 1)) / 2 :
486: p->maxrmargin - buflen;
1.1 kristaps 487:
488: term_word(p, title);
489: term_flushln(p);
490:
1.235 schwarze 491: p->flags |= TERMP_NOSPACE;
1.1 kristaps 492: p->offset = p->rmargin;
1.235 schwarze 493: p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
494: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 495:
496: term_word(p, buf);
497: term_flushln(p);
498:
499: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 500: p->trailspace = 0;
1.235 schwarze 501: if (p->rmargin + titlen <= p->maxrmargin) {
502: p->flags |= TERMP_NOSPACE;
503: p->offset = p->rmargin;
504: p->rmargin = p->maxrmargin;
505: term_word(p, title);
506: term_flushln(p);
507: }
1.1 kristaps 508:
1.235 schwarze 509: p->flags &= ~TERMP_NOSPACE;
1.9 kristaps 510: p->offset = 0;
1.1 kristaps 511: p->rmargin = p->maxrmargin;
512: }
513:
514:
515: static size_t
1.157 kristaps 516: a2height(const struct termp *p, const char *v)
1.1 kristaps 517: {
1.92 kristaps 518: struct roffsu su;
1.91 kristaps 519:
1.231 kristaps 520:
1.157 kristaps 521: assert(v);
522: if ( ! a2roffsu(v, &su, SCALE_VS))
1.231 kristaps 523: SCALE_VS_INIT(&su, atoi(v));
1.91 kristaps 524:
1.157 kristaps 525: return(term_vspan(p, &su));
1.91 kristaps 526: }
1.1 kristaps 527:
1.40 kristaps 528:
1.91 kristaps 529: static size_t
1.157 kristaps 530: a2width(const struct termp *p, const char *v)
1.91 kristaps 531: {
1.92 kristaps 532: struct roffsu su;
1.1 kristaps 533:
1.154 kristaps 534: assert(v);
535: if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157 kristaps 536: SCALE_HS_INIT(&su, term_strlen(p, v));
1.1 kristaps 537:
1.157 kristaps 538: return(term_hspan(p, &su));
1.1 kristaps 539: }
540:
541:
542: static size_t
1.157 kristaps 543: a2offs(const struct termp *p, const char *v)
1.1 kristaps 544: {
1.92 kristaps 545: struct roffsu su;
1.1 kristaps 546:
1.148 kristaps 547: if ('\0' == *v)
1.91 kristaps 548: return(0);
1.148 kristaps 549: else if (0 == strcmp(v, "left"))
1.19 kristaps 550: return(0);
1.148 kristaps 551: else if (0 == strcmp(v, "indent"))
1.238 schwarze 552: return(term_len(p, p->defindent + 1));
1.148 kristaps 553: else if (0 == strcmp(v, "indent-two"))
1.238 schwarze 554: return(term_len(p, (p->defindent + 1) * 2));
1.148 kristaps 555: else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157 kristaps 556: SCALE_HS_INIT(&su, term_strlen(p, v));
1.10 kristaps 557:
1.157 kristaps 558: return(term_hspan(p, &su));
1.1 kristaps 559: }
560:
561:
1.108 kristaps 562: /*
563: * Determine how much space to print out before block elements of `It'
564: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
565: * too.
566: */
1.54 kristaps 567: static void
1.151 kristaps 568: print_bvspace(struct termp *p,
569: const struct mdoc_node *bl,
570: const struct mdoc_node *n)
1.1 kristaps 571: {
1.86 kristaps 572: const struct mdoc_node *nn;
1.236 schwarze 573:
574: assert(n);
1.1 kristaps 575:
576: term_newln(p);
1.150 kristaps 577:
1.202 kristaps 578: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150 kristaps 579: return;
1.202 kristaps 580: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54 kristaps 581: return;
582:
1.85 kristaps 583: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 584:
1.86 kristaps 585: for (nn = n; nn; nn = nn->parent) {
586: if (MDOC_BLOCK != nn->type)
1.1 kristaps 587: continue;
1.86 kristaps 588: if (MDOC_Ss == nn->tok)
1.54 kristaps 589: return;
1.86 kristaps 590: if (MDOC_Sh == nn->tok)
1.54 kristaps 591: return;
1.86 kristaps 592: if (NULL == nn->prev)
1.1 kristaps 593: continue;
594: break;
595: }
596:
1.85 kristaps 597: /* A `-column' does not assert vspace within the list. */
1.54 kristaps 598:
1.202 kristaps 599: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86 kristaps 600: if (n->prev && MDOC_It == n->prev->tok)
1.54 kristaps 601: return;
602:
1.85 kristaps 603: /* A `-diag' without body does not vspace. */
604:
1.202 kristaps 605: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86 kristaps 606: if (n->prev && MDOC_It == n->prev->tok) {
607: assert(n->prev->body);
608: if (NULL == n->prev->body->child)
1.55 kristaps 609: return;
610: }
611:
1.54 kristaps 612: term_vspace(p);
1.1 kristaps 613: }
614:
615:
616: /* ARGSUSED */
617: static int
618: termp_it_pre(DECL_ARGS)
619: {
1.86 kristaps 620: const struct mdoc_node *bl, *nn;
1.1 kristaps 621: char buf[7];
1.170 kristaps 622: int i;
1.108 kristaps 623: size_t width, offset, ncols, dcol;
1.126 kristaps 624: enum mdoc_list type;
1.1 kristaps 625:
1.86 kristaps 626: if (MDOC_BLOCK == n->type) {
1.151 kristaps 627: print_bvspace(p, n->parent->parent, n);
1.54 kristaps 628: return(1);
629: }
1.1 kristaps 630:
1.86 kristaps 631: bl = n->parent->parent->parent;
1.202 kristaps 632: type = bl->norm->Bl.type;
1.1 kristaps 633:
1.108 kristaps 634: /*
635: * First calculate width and offset. This is pretty easy unless
636: * we're a -column list, in which case all prior columns must
637: * be accounted for.
638: */
639:
640: width = offset = 0;
641:
1.202 kristaps 642: if (bl->norm->Bl.offs)
643: offset = a2offs(p, bl->norm->Bl.offs);
1.152 kristaps 644:
1.1 kristaps 645: switch (type) {
1.126 kristaps 646: case (LIST_column):
1.134 kristaps 647: if (MDOC_HEAD == n->type)
1.1 kristaps 648: break;
1.155 kristaps 649:
1.105 kristaps 650: /*
1.108 kristaps 651: * Imitate groff's column handling:
652: * - For each earlier column, add its width.
653: * - For less than 5 columns, add four more blanks per
654: * column.
655: * - For exactly 5 columns, add three more blank per
656: * column.
657: * - For more than 5 columns, add only one column.
1.105 kristaps 658: */
1.202 kristaps 659: ncols = bl->norm->Bl.ncols;
1.170 kristaps 660:
1.108 kristaps 661: /* LINTED */
1.157 kristaps 662: dcol = ncols < 5 ? term_len(p, 4) :
663: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108 kristaps 664:
1.134 kristaps 665: /*
666: * Calculate the offset by applying all prior MDOC_BODY,
667: * so we stop at the MDOC_HEAD (NULL == nn->prev).
668: */
669:
1.108 kristaps 670: for (i = 0, nn = n->prev;
1.134 kristaps 671: nn->prev && i < (int)ncols;
1.108 kristaps 672: nn = nn->prev, i++)
673: offset += dcol + a2width
1.202 kristaps 674: (p, bl->norm->Bl.cols[i]);
1.105 kristaps 675:
676: /*
1.108 kristaps 677: * When exceeding the declared number of columns, leave
678: * the remaining widths at 0. This will later be
679: * adjusted to the default width of 10, or, for the last
680: * column, stretched to the right margin.
1.58 kristaps 681: */
1.108 kristaps 682: if (i >= (int)ncols)
683: break;
1.58 kristaps 684:
1.105 kristaps 685: /*
1.108 kristaps 686: * Use the declared column widths, extended as explained
687: * in the preceding paragraph.
1.105 kristaps 688: */
1.202 kristaps 689: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 690: break;
691: default:
1.202 kristaps 692: if (NULL == bl->norm->Bl.width)
1.108 kristaps 693: break;
694:
695: /*
696: * Note: buffer the width by 2, which is groff's magic
697: * number for buffering single arguments. See the above
698: * handling for column for how this changes.
699: */
1.202 kristaps 700: assert(bl->norm->Bl.width);
701: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1 kristaps 702: break;
703: }
704:
705: /*
706: * List-type can override the width in the case of fixed-head
707: * values (bullet, dash/hyphen, enum). Tags need a non-zero
1.67 kristaps 708: * offset.
1.1 kristaps 709: */
710:
711: switch (type) {
1.126 kristaps 712: case (LIST_bullet):
1.1 kristaps 713: /* FALLTHROUGH */
1.126 kristaps 714: case (LIST_dash):
1.1 kristaps 715: /* FALLTHROUGH */
1.126 kristaps 716: case (LIST_hyphen):
1.242 schwarze 717: /* FALLTHROUGH */
1.126 kristaps 718: case (LIST_enum):
1.242 schwarze 719: if (width < term_len(p, 2))
720: width = term_len(p, 2);
1.17 kristaps 721: break;
1.126 kristaps 722: case (LIST_hang):
1.39 kristaps 723: if (0 == width)
1.157 kristaps 724: width = term_len(p, 8);
1.39 kristaps 725: break;
1.126 kristaps 726: case (LIST_column):
1.49 kristaps 727: /* FALLTHROUGH */
1.126 kristaps 728: case (LIST_tag):
1.1 kristaps 729: if (0 == width)
1.157 kristaps 730: width = term_len(p, 10);
1.1 kristaps 731: break;
732: default:
733: break;
734: }
735:
736: /*
1.17 kristaps 737: * Whitespace control. Inset bodies need an initial space,
738: * while diagonal bodies need two.
1.1 kristaps 739: */
740:
1.51 kristaps 741: p->flags |= TERMP_NOSPACE;
742:
1.1 kristaps 743: switch (type) {
1.126 kristaps 744: case (LIST_diag):
1.86 kristaps 745: if (MDOC_BODY == n->type)
1.62 kristaps 746: term_word(p, "\\ \\ ");
1.51 kristaps 747: break;
1.126 kristaps 748: case (LIST_inset):
1.86 kristaps 749: if (MDOC_BODY == n->type)
1.51 kristaps 750: term_word(p, "\\ ");
1.1 kristaps 751: break;
752: default:
753: break;
754: }
755:
1.51 kristaps 756: p->flags |= TERMP_NOSPACE;
757:
1.1 kristaps 758: switch (type) {
1.126 kristaps 759: case (LIST_diag):
1.86 kristaps 760: if (MDOC_HEAD == n->type)
1.102 kristaps 761: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 762: break;
763: default:
764: break;
765: }
766:
767: /*
1.109 kristaps 768: * Pad and break control. This is the tricky part. These flags
769: * are documented in term_flushln() in term.c. Note that we're
770: * going to unset all of these flags in termp_it_post() when we
771: * exit.
1.1 kristaps 772: */
773:
774: switch (type) {
1.242 schwarze 775: case (LIST_enum):
776: /*
777: * Weird special case.
778: * Very narrow enum lists actually hang.
779: */
780: if (width == term_len(p, 2))
781: p->flags |= TERMP_HANG;
782: /* FALLTHROUGH */
1.126 kristaps 783: case (LIST_bullet):
1.1 kristaps 784: /* FALLTHROUGH */
1.126 kristaps 785: case (LIST_dash):
1.1 kristaps 786: /* FALLTHROUGH */
1.126 kristaps 787: case (LIST_hyphen):
1.250 schwarze 788: if (MDOC_HEAD != n->type)
789: break;
790: p->flags |= TERMP_NOBREAK;
791: p->trailspace = 1;
1.39 kristaps 792: break;
1.126 kristaps 793: case (LIST_hang):
1.250 schwarze 794: if (MDOC_HEAD != n->type)
1.59 kristaps 795: break;
796:
797: /*
798: * This is ugly. If `-hang' is specified and the body
799: * is a `Bl' or `Bd', then we want basically to nullify
800: * the "overstep" effect in term_flushln() and treat
801: * this as a `-ohang' list instead.
802: */
1.86 kristaps 803: if (n->next->child &&
804: (MDOC_Bl == n->next->child->tok ||
1.234 schwarze 805: MDOC_Bd == n->next->child->tok))
1.250 schwarze 806: break;
807:
808: p->flags |= TERMP_NOBREAK | TERMP_HANG;
809: p->trailspace = 1;
1.39 kristaps 810: break;
1.126 kristaps 811: case (LIST_tag):
1.86 kristaps 812: if (MDOC_HEAD != n->type)
1.39 kristaps 813: break;
1.250 schwarze 814:
815: p->flags |= TERMP_NOBREAK;
816: p->trailspace = 2;
817:
1.86 kristaps 818: if (NULL == n->next || NULL == n->next->child)
1.39 kristaps 819: p->flags |= TERMP_DANGLE;
1.1 kristaps 820: break;
1.126 kristaps 821: case (LIST_column):
1.134 kristaps 822: if (MDOC_HEAD == n->type)
823: break;
824:
1.250 schwarze 825: if (NULL == n->next) {
1.134 kristaps 826: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 827: p->trailspace = 0;
828: } else {
1.134 kristaps 829: p->flags |= TERMP_NOBREAK;
1.250 schwarze 830: p->trailspace = 1;
831: }
1.134 kristaps 832:
1.1 kristaps 833: break;
1.126 kristaps 834: case (LIST_diag):
1.250 schwarze 835: if (MDOC_HEAD != n->type)
836: break;
837: p->flags |= TERMP_NOBREAK;
838: p->trailspace = 1;
1.1 kristaps 839: break;
840: default:
841: break;
842: }
843:
844: /*
845: * Margin control. Set-head-width lists have their right
846: * margins shortened. The body for these lists has the offset
847: * necessarily lengthened. Everybody gets the offset.
848: */
849:
850: p->offset += offset;
851:
852: switch (type) {
1.126 kristaps 853: case (LIST_hang):
1.59 kristaps 854: /*
855: * Same stipulation as above, regarding `-hang'. We
856: * don't want to recalculate rmargin and offsets when
857: * using `Bd' or `Bl' within `-hang' overstep lists.
858: */
1.86 kristaps 859: if (MDOC_HEAD == n->type && n->next->child &&
860: (MDOC_Bl == n->next->child->tok ||
861: MDOC_Bd == n->next->child->tok))
1.59 kristaps 862: break;
863: /* FALLTHROUGH */
1.126 kristaps 864: case (LIST_bullet):
1.1 kristaps 865: /* FALLTHROUGH */
1.126 kristaps 866: case (LIST_dash):
1.1 kristaps 867: /* FALLTHROUGH */
1.126 kristaps 868: case (LIST_enum):
1.1 kristaps 869: /* FALLTHROUGH */
1.126 kristaps 870: case (LIST_hyphen):
1.1 kristaps 871: /* FALLTHROUGH */
1.126 kristaps 872: case (LIST_tag):
1.49 kristaps 873: assert(width);
1.86 kristaps 874: if (MDOC_HEAD == n->type)
1.1 kristaps 875: p->rmargin = p->offset + width;
1.259 ! schwarze 876: else {
1.1 kristaps 877: p->offset += width;
1.259 ! schwarze 878: if (p->rmargin < p->offset)
! 879: p->rmargin = p->offset;
! 880: }
1.1 kristaps 881: break;
1.126 kristaps 882: case (LIST_column):
1.49 kristaps 883: assert(width);
1.1 kristaps 884: p->rmargin = p->offset + width;
1.50 kristaps 885: /*
886: * XXX - this behaviour is not documented: the
887: * right-most column is filled to the right margin.
888: */
1.134 kristaps 889: if (MDOC_HEAD == n->type)
890: break;
891: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50 kristaps 892: p->rmargin = p->maxrmargin;
1.1 kristaps 893: break;
894: default:
895: break;
896: }
897:
898: /*
899: * The dash, hyphen, bullet and enum lists all have a special
1.15 kristaps 900: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 901: */
902:
1.86 kristaps 903: if (MDOC_HEAD == n->type)
1.1 kristaps 904: switch (type) {
1.126 kristaps 905: case (LIST_bullet):
1.102 kristaps 906: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 907: term_word(p, "\\[bu]");
1.102 kristaps 908: term_fontpop(p);
1.1 kristaps 909: break;
1.126 kristaps 910: case (LIST_dash):
1.1 kristaps 911: /* FALLTHROUGH */
1.126 kristaps 912: case (LIST_hyphen):
1.102 kristaps 913: term_fontpush(p, TERMFONT_BOLD);
1.27 kristaps 914: term_word(p, "\\(hy");
1.102 kristaps 915: term_fontpop(p);
1.1 kristaps 916: break;
1.126 kristaps 917: case (LIST_enum):
1.1 kristaps 918: (pair->ppair->ppair->count)++;
1.109 kristaps 919: snprintf(buf, sizeof(buf), "%d.",
1.1 kristaps 920: pair->ppair->ppair->count);
921: term_word(p, buf);
922: break;
923: default:
924: break;
925: }
926:
927: /*
928: * If we're not going to process our children, indicate so here.
929: */
930:
931: switch (type) {
1.126 kristaps 932: case (LIST_bullet):
1.1 kristaps 933: /* FALLTHROUGH */
1.126 kristaps 934: case (LIST_item):
1.1 kristaps 935: /* FALLTHROUGH */
1.126 kristaps 936: case (LIST_dash):
1.1 kristaps 937: /* FALLTHROUGH */
1.126 kristaps 938: case (LIST_hyphen):
1.1 kristaps 939: /* FALLTHROUGH */
1.126 kristaps 940: case (LIST_enum):
1.86 kristaps 941: if (MDOC_HEAD == n->type)
1.1 kristaps 942: return(0);
943: break;
1.126 kristaps 944: case (LIST_column):
1.134 kristaps 945: if (MDOC_HEAD == n->type)
1.1 kristaps 946: return(0);
947: break;
948: default:
949: break;
950: }
951:
952: return(1);
953: }
954:
955:
956: /* ARGSUSED */
957: static void
958: termp_it_post(DECL_ARGS)
959: {
1.126 kristaps 960: enum mdoc_list type;
1.1 kristaps 961:
1.109 kristaps 962: if (MDOC_BLOCK == n->type)
1.1 kristaps 963: return;
964:
1.202 kristaps 965: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 966:
967: switch (type) {
1.126 kristaps 968: case (LIST_item):
1.1 kristaps 969: /* FALLTHROUGH */
1.126 kristaps 970: case (LIST_diag):
1.53 kristaps 971: /* FALLTHROUGH */
1.126 kristaps 972: case (LIST_inset):
1.86 kristaps 973: if (MDOC_BODY == n->type)
1.130 schwarze 974: term_newln(p);
1.1 kristaps 975: break;
1.126 kristaps 976: case (LIST_column):
1.134 kristaps 977: if (MDOC_BODY == n->type)
1.1 kristaps 978: term_flushln(p);
979: break;
980: default:
1.130 schwarze 981: term_newln(p);
1.1 kristaps 982: break;
983: }
984:
1.109 kristaps 985: /*
986: * Now that our output is flushed, we can reset our tags. Since
987: * only `It' sets these flags, we're free to assume that nobody
988: * has munged them in the meanwhile.
989: */
990:
991: p->flags &= ~TERMP_DANGLE;
992: p->flags &= ~TERMP_NOBREAK;
993: p->flags &= ~TERMP_HANG;
1.250 schwarze 994: p->trailspace = 0;
1.1 kristaps 995: }
996:
997:
998: /* ARGSUSED */
999: static int
1000: termp_nm_pre(DECL_ARGS)
1001: {
1002:
1.253 schwarze 1003: if (MDOC_BLOCK == n->type) {
1004: p->flags |= TERMP_PREKEEP;
1.164 schwarze 1005: return(1);
1.253 schwarze 1006: }
1.164 schwarze 1007:
1008: if (MDOC_BODY == n->type) {
1009: if (NULL == n->child)
1010: return(0);
1.234 schwarze 1011: p->flags |= TERMP_NOSPACE;
1.164 schwarze 1012: p->offset += term_len(p, 1) +
1.245 schwarze 1013: (NULL == n->prev->child ?
1014: term_strlen(p, meta->name) :
1.164 schwarze 1015: MDOC_TEXT == n->prev->child->type ?
1.245 schwarze 1016: term_strlen(p, n->prev->child->string) :
1.164 schwarze 1017: term_len(p, 5));
1018: return(1);
1019: }
1020:
1.245 schwarze 1021: if (NULL == n->child && NULL == meta->name)
1.164 schwarze 1022: return(0);
1.125 kristaps 1023:
1.177 schwarze 1024: if (MDOC_HEAD == n->type)
1025: synopsis_pre(p, n->parent);
1.102 kristaps 1026:
1.164 schwarze 1027: if (MDOC_HEAD == n->type && n->next->child) {
1.185 schwarze 1028: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.250 schwarze 1029: p->trailspace = 1;
1.185 schwarze 1030: p->rmargin = p->offset + term_len(p, 1);
1031: if (NULL == n->child) {
1.245 schwarze 1032: p->rmargin += term_strlen(p, meta->name);
1.185 schwarze 1033: } else if (MDOC_TEXT == n->child->type) {
1034: p->rmargin += term_strlen(p, n->child->string);
1035: if (n->child->next)
1036: p->flags |= TERMP_HANG;
1037: } else {
1038: p->rmargin += term_len(p, 5);
1039: p->flags |= TERMP_HANG;
1040: }
1.164 schwarze 1041: }
1042:
1.102 kristaps 1043: term_fontpush(p, TERMFONT_BOLD);
1.86 kristaps 1044: if (NULL == n->child)
1.245 schwarze 1045: term_word(p, meta->name);
1.1 kristaps 1046: return(1);
1047: }
1048:
1049:
1.164 schwarze 1050: /* ARGSUSED */
1051: static void
1052: termp_nm_post(DECL_ARGS)
1053: {
1054:
1.253 schwarze 1055: if (MDOC_BLOCK == n->type) {
1056: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1057: } else if (MDOC_HEAD == n->type && n->next->child) {
1.164 schwarze 1058: term_flushln(p);
1059: p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
1.250 schwarze 1060: p->trailspace = 0;
1.234 schwarze 1061: } else if (MDOC_BODY == n->type && n->child)
1.164 schwarze 1062: term_flushln(p);
1063: }
1064:
1065:
1.1 kristaps 1066: /* ARGSUSED */
1067: static int
1068: termp_fl_pre(DECL_ARGS)
1069: {
1070:
1.102 kristaps 1071: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1072: term_word(p, "\\-");
1.103 kristaps 1073:
1074: if (n->child)
1.114 kristaps 1075: p->flags |= TERMP_NOSPACE;
1076: else if (n->next && n->next->line == n->line)
1.103 kristaps 1077: p->flags |= TERMP_NOSPACE;
1078:
1.1 kristaps 1079: return(1);
1080: }
1081:
1082:
1083: /* ARGSUSED */
1084: static int
1.184 kristaps 1085: termp__a_pre(DECL_ARGS)
1086: {
1087:
1088: if (n->prev && MDOC__A == n->prev->tok)
1089: if (NULL == n->next || MDOC__A != n->next->tok)
1090: term_word(p, "and");
1091:
1092: return(1);
1093: }
1094:
1095:
1096: /* ARGSUSED */
1097: static int
1.61 kristaps 1098: termp_an_pre(DECL_ARGS)
1099: {
1100:
1.86 kristaps 1101: if (NULL == n->child)
1.61 kristaps 1102: return(1);
1103:
1104: /*
1.85 kristaps 1105: * If not in the AUTHORS section, `An -split' will cause
1106: * newlines to occur before the author name. If in the AUTHORS
1107: * section, by default, the first `An' invocation is nosplit,
1108: * then all subsequent ones, regardless of whether interspersed
1109: * with other macros/text, are split. -split, in this case,
1110: * will override the condition of the implied first -nosplit.
1.61 kristaps 1111: */
1112:
1.86 kristaps 1113: if (n->sec == SEC_AUTHORS) {
1.61 kristaps 1114: if ( ! (TERMP_ANPREC & p->flags)) {
1115: if (TERMP_SPLIT & p->flags)
1116: term_newln(p);
1117: return(1);
1118: }
1119: if (TERMP_NOSPLIT & p->flags)
1120: return(1);
1121: term_newln(p);
1122: return(1);
1123: }
1124:
1125: if (TERMP_SPLIT & p->flags)
1126: term_newln(p);
1127:
1128: return(1);
1129: }
1130:
1131:
1132: /* ARGSUSED */
1133: static void
1134: termp_an_post(DECL_ARGS)
1135: {
1136:
1.86 kristaps 1137: if (n->child) {
1138: if (SEC_AUTHORS == n->sec)
1.61 kristaps 1139: p->flags |= TERMP_ANPREC;
1140: return;
1141: }
1142:
1.202 kristaps 1143: if (AUTH_split == n->norm->An.auth) {
1.61 kristaps 1144: p->flags &= ~TERMP_NOSPLIT;
1145: p->flags |= TERMP_SPLIT;
1.202 kristaps 1146: } else if (AUTH_nosplit == n->norm->An.auth) {
1.61 kristaps 1147: p->flags &= ~TERMP_SPLIT;
1148: p->flags |= TERMP_NOSPLIT;
1149: }
1150:
1151: }
1152:
1153:
1154: /* ARGSUSED */
1155: static int
1.1 kristaps 1156: termp_ns_pre(DECL_ARGS)
1157: {
1158:
1.215 kristaps 1159: if ( ! (MDOC_LINE & n->flags))
1160: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1161: return(1);
1162: }
1163:
1164:
1165: /* ARGSUSED */
1166: static int
1167: termp_rs_pre(DECL_ARGS)
1168: {
1169:
1.86 kristaps 1170: if (SEC_SEE_ALSO != n->sec)
1.80 kristaps 1171: return(1);
1.86 kristaps 1172: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1173: term_vspace(p);
1174: return(1);
1175: }
1176:
1177:
1178: /* ARGSUSED */
1179: static int
1180: termp_rv_pre(DECL_ARGS)
1181: {
1.223 kristaps 1182: int nchild;
1.1 kristaps 1183:
1184: term_newln(p);
1185: term_word(p, "The");
1186:
1.223 kristaps 1187: nchild = n->nchild;
1188: for (n = n->child; n; n = n->next) {
1.102 kristaps 1189: term_fontpush(p, TERMFONT_BOLD);
1.223 kristaps 1190: term_word(p, n->string);
1.102 kristaps 1191: term_fontpop(p);
1.224 kristaps 1192:
1.68 kristaps 1193: p->flags |= TERMP_NOSPACE;
1.223 kristaps 1194: term_word(p, "()");
1195:
1196: if (nchild > 2 && n->next) {
1197: p->flags |= TERMP_NOSPACE;
1198: term_word(p, ",");
1199: }
1200:
1201: if (n->next && NULL == n->next->next)
1202: term_word(p, "and");
1.68 kristaps 1203: }
1204:
1.223 kristaps 1205: if (nchild > 1)
1.68 kristaps 1206: term_word(p, "functions return");
1207: else
1208: term_word(p, "function returns");
1.1 kristaps 1209:
1.68 kristaps 1210: term_word(p, "the value 0 if successful; otherwise the value "
1211: "-1 is returned and the global variable");
1.1 kristaps 1212:
1.102 kristaps 1213: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1214: term_word(p, "errno");
1.102 kristaps 1215: term_fontpop(p);
1.1 kristaps 1216:
1217: term_word(p, "is set to indicate the error.");
1.131 kristaps 1218: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1219:
1.68 kristaps 1220: return(0);
1.1 kristaps 1221: }
1222:
1223:
1224: /* ARGSUSED */
1225: static int
1226: termp_ex_pre(DECL_ARGS)
1227: {
1.224 kristaps 1228: int nchild;
1.1 kristaps 1229:
1.224 kristaps 1230: term_newln(p);
1.68 kristaps 1231: term_word(p, "The");
1.1 kristaps 1232:
1.224 kristaps 1233: nchild = n->nchild;
1234: for (n = n->child; n; n = n->next) {
1.102 kristaps 1235: term_fontpush(p, TERMFONT_BOLD);
1.224 kristaps 1236: term_word(p, n->string);
1.102 kristaps 1237: term_fontpop(p);
1.224 kristaps 1238:
1239: if (nchild > 2 && n->next) {
1240: p->flags |= TERMP_NOSPACE;
1.68 kristaps 1241: term_word(p, ",");
1.224 kristaps 1242: }
1243:
1244: if (n->next && NULL == n->next->next)
1245: term_word(p, "and");
1.68 kristaps 1246: }
1247:
1.224 kristaps 1248: if (nchild > 1)
1.68 kristaps 1249: term_word(p, "utilities exit");
1250: else
1251: term_word(p, "utility exits");
1252:
1253: term_word(p, "0 on success, and >0 if an error occurs.");
1.224 kristaps 1254:
1.131 kristaps 1255: p->flags |= TERMP_SENTENCE;
1.68 kristaps 1256: return(0);
1.1 kristaps 1257: }
1258:
1259:
1260: /* ARGSUSED */
1261: static int
1262: termp_nd_pre(DECL_ARGS)
1263: {
1.25 kristaps 1264:
1.86 kristaps 1265: if (MDOC_BODY != n->type)
1.25 kristaps 1266: return(1);
1.30 kristaps 1267:
1.27 kristaps 1268: #if defined(__OpenBSD__) || defined(__linux__)
1.41 kristaps 1269: term_word(p, "\\(en");
1.23 kristaps 1270: #else
1271: term_word(p, "\\(em");
1272: #endif
1.1 kristaps 1273: return(1);
1.115 kristaps 1274: }
1275:
1276:
1277: /* ARGSUSED */
1278: static int
1279: termp_bl_pre(DECL_ARGS)
1280: {
1281:
1282: return(MDOC_HEAD != n->type);
1.1 kristaps 1283: }
1284:
1285:
1286: /* ARGSUSED */
1287: static void
1288: termp_bl_post(DECL_ARGS)
1289: {
1290:
1.86 kristaps 1291: if (MDOC_BLOCK == n->type)
1.1 kristaps 1292: term_newln(p);
1293: }
1294:
1295: /* ARGSUSED */
1296: static int
1297: termp_xr_pre(DECL_ARGS)
1298: {
1299:
1.225 kristaps 1300: if (NULL == (n = n->child))
1.113 kristaps 1301: return(0);
1302:
1.225 kristaps 1303: assert(MDOC_TEXT == n->type);
1304: term_word(p, n->string);
1.11 kristaps 1305:
1.225 kristaps 1306: if (NULL == (n = n->next))
1.1 kristaps 1307: return(0);
1.225 kristaps 1308:
1.1 kristaps 1309: p->flags |= TERMP_NOSPACE;
1310: term_word(p, "(");
1.222 kristaps 1311: p->flags |= TERMP_NOSPACE;
1.225 kristaps 1312:
1313: assert(MDOC_TEXT == n->type);
1314: term_word(p, n->string);
1315:
1.222 kristaps 1316: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1317: term_word(p, ")");
1.86 kristaps 1318:
1.1 kristaps 1319: return(0);
1320: }
1321:
1.143 kristaps 1322: /*
1323: * This decides how to assert whitespace before any of the SYNOPSIS set
1324: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1325: * macro combos).
1326: */
1327: static void
1328: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1329: {
1330: /*
1331: * Obviously, if we're not in a SYNOPSIS or no prior macros
1332: * exist, do nothing.
1333: */
1.160 kristaps 1334: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143 kristaps 1335: return;
1336:
1337: /*
1338: * If we're the second in a pair of like elements, emit our
1339: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1340: * case we soldier on.
1341: */
1342: if (n->prev->tok == n->tok &&
1343: MDOC_Ft != n->tok &&
1344: MDOC_Fo != n->tok &&
1345: MDOC_Fn != n->tok) {
1346: term_newln(p);
1347: return;
1348: }
1349:
1350: /*
1351: * If we're one of the SYNOPSIS set and non-like pair-wise after
1352: * another (or Fn/Fo, which we've let slip through) then assert
1353: * vertical space, else only newline and move on.
1354: */
1355: switch (n->prev->tok) {
1356: case (MDOC_Fd):
1357: /* FALLTHROUGH */
1358: case (MDOC_Fn):
1359: /* FALLTHROUGH */
1360: case (MDOC_Fo):
1361: /* FALLTHROUGH */
1362: case (MDOC_In):
1363: /* FALLTHROUGH */
1364: case (MDOC_Vt):
1365: term_vspace(p);
1366: break;
1367: case (MDOC_Ft):
1368: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1369: term_vspace(p);
1370: break;
1371: }
1372: /* FALLTHROUGH */
1373: default:
1374: term_newln(p);
1375: break;
1376: }
1377: }
1378:
1379:
1.110 kristaps 1380: static int
1381: termp_vt_pre(DECL_ARGS)
1382: {
1383:
1.143 kristaps 1384: if (MDOC_ELEM == n->type) {
1385: synopsis_pre(p, n);
1.245 schwarze 1386: return(termp_under_pre(p, pair, meta, n));
1.143 kristaps 1387: } else if (MDOC_BLOCK == n->type) {
1388: synopsis_pre(p, n);
1389: return(1);
1390: } else if (MDOC_HEAD == n->type)
1.110 kristaps 1391: return(0);
1392:
1.245 schwarze 1393: return(termp_under_pre(p, pair, meta, n));
1.110 kristaps 1394: }
1395:
1396:
1.1 kristaps 1397: /* ARGSUSED */
1398: static int
1.69 kristaps 1399: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1400: {
1401:
1.102 kristaps 1402: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1403: return(1);
1404: }
1405:
1406:
1407: /* ARGSUSED */
1.143 kristaps 1408: static int
1409: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1410: {
1411:
1.143 kristaps 1412: synopsis_pre(p, n);
1.245 schwarze 1413: return(termp_bold_pre(p, pair, meta, n));
1.1 kristaps 1414: }
1415:
1416:
1417: /* ARGSUSED */
1.241 schwarze 1418: static void
1419: termp_fd_post(DECL_ARGS)
1420: {
1421:
1422: term_newln(p);
1423: }
1424:
1425:
1426: /* ARGSUSED */
1.1 kristaps 1427: static int
1428: termp_sh_pre(DECL_ARGS)
1429: {
1.85 kristaps 1430:
1431: /* No vspace between consecutive `Sh' calls. */
1432:
1.86 kristaps 1433: switch (n->type) {
1.65 kristaps 1434: case (MDOC_BLOCK):
1.86 kristaps 1435: if (n->prev && MDOC_Sh == n->prev->tok)
1436: if (NULL == n->prev->body->child)
1.65 kristaps 1437: break;
1438: term_vspace(p);
1439: break;
1.1 kristaps 1440: case (MDOC_HEAD):
1.102 kristaps 1441: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1442: break;
1443: case (MDOC_BODY):
1.238 schwarze 1444: p->offset = term_len(p, p->defindent);
1.239 schwarze 1445: if (SEC_AUTHORS == n->sec)
1446: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1447: break;
1448: default:
1449: break;
1450: }
1451: return(1);
1452: }
1453:
1454:
1455: /* ARGSUSED */
1456: static void
1457: termp_sh_post(DECL_ARGS)
1458: {
1459:
1.86 kristaps 1460: switch (n->type) {
1.1 kristaps 1461: case (MDOC_HEAD):
1462: term_newln(p);
1463: break;
1464: case (MDOC_BODY):
1465: term_newln(p);
1466: p->offset = 0;
1467: break;
1468: default:
1469: break;
1470: }
1471: }
1472:
1473:
1474: /* ARGSUSED */
1475: static int
1476: termp_bt_pre(DECL_ARGS)
1477: {
1478:
1479: term_word(p, "is currently in beta test.");
1.131 kristaps 1480: p->flags |= TERMP_SENTENCE;
1.81 kristaps 1481: return(0);
1.1 kristaps 1482: }
1483:
1484:
1485: /* ARGSUSED */
1486: static void
1487: termp_lb_post(DECL_ARGS)
1488: {
1489:
1.122 kristaps 1490: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81 kristaps 1491: term_newln(p);
1.1 kristaps 1492: }
1493:
1494:
1495: /* ARGSUSED */
1496: static int
1497: termp_ud_pre(DECL_ARGS)
1498: {
1499:
1500: term_word(p, "currently under development.");
1.131 kristaps 1501: p->flags |= TERMP_SENTENCE;
1.86 kristaps 1502: return(0);
1.1 kristaps 1503: }
1504:
1505:
1506: /* ARGSUSED */
1507: static int
1508: termp_d1_pre(DECL_ARGS)
1509: {
1510:
1.86 kristaps 1511: if (MDOC_BLOCK != n->type)
1.1 kristaps 1512: return(1);
1513: term_newln(p);
1.238 schwarze 1514: p->offset += term_len(p, p->defindent + 1);
1.1 kristaps 1515: return(1);
1516: }
1517:
1518:
1519: /* ARGSUSED */
1520: static int
1521: termp_ft_pre(DECL_ARGS)
1522: {
1523:
1.141 kristaps 1524: /* NB: MDOC_LINE does not effect this! */
1.143 kristaps 1525: synopsis_pre(p, n);
1.102 kristaps 1526: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1527: return(1);
1528: }
1529:
1530:
1531: /* ARGSUSED */
1532: static int
1533: termp_fn_pre(DECL_ARGS)
1534: {
1.257 schwarze 1535: size_t rmargin = 0;
1.226 kristaps 1536: int pretty;
1537:
1538: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1539:
1.143 kristaps 1540: synopsis_pre(p, n);
1.139 kristaps 1541:
1.226 kristaps 1542: if (NULL == (n = n->child))
1543: return(0);
1544:
1.251 schwarze 1545: if (pretty) {
1546: rmargin = p->rmargin;
1.257 schwarze 1547: p->rmargin = p->offset + term_len(p, 4);
1.251 schwarze 1548: p->flags |= TERMP_NOBREAK | TERMP_HANG;
1549: }
1550:
1.226 kristaps 1551: assert(MDOC_TEXT == n->type);
1.102 kristaps 1552: term_fontpush(p, TERMFONT_BOLD);
1.226 kristaps 1553: term_word(p, n->string);
1.102 kristaps 1554: term_fontpop(p);
1.1 kristaps 1555:
1.251 schwarze 1556: if (pretty) {
1557: term_flushln(p);
1558: p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
1559: p->offset = p->rmargin;
1560: p->rmargin = rmargin;
1561: }
1562:
1.1 kristaps 1563: p->flags |= TERMP_NOSPACE;
1564: term_word(p, "(");
1.222 kristaps 1565: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1566:
1.226 kristaps 1567: for (n = n->next; n; n = n->next) {
1568: assert(MDOC_TEXT == n->type);
1.102 kristaps 1569: term_fontpush(p, TERMFONT_UNDER);
1.255 schwarze 1570: if (pretty)
1571: p->flags |= TERMP_NBRWORD;
1.226 kristaps 1572: term_word(p, n->string);
1.102 kristaps 1573: term_fontpop(p);
1574:
1.226 kristaps 1575: if (n->next) {
1.222 kristaps 1576: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1577: term_word(p, ",");
1.222 kristaps 1578: }
1.1 kristaps 1579: }
1580:
1.222 kristaps 1581: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1582: term_word(p, ")");
1583:
1.226 kristaps 1584: if (pretty) {
1.222 kristaps 1585: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1586: term_word(p, ";");
1.251 schwarze 1587: term_flushln(p);
1.222 kristaps 1588: }
1.1 kristaps 1589:
1590: return(0);
1591: }
1592:
1593:
1594: /* ARGSUSED */
1595: static int
1596: termp_fa_pre(DECL_ARGS)
1597: {
1.86 kristaps 1598: const struct mdoc_node *nn;
1.1 kristaps 1599:
1.86 kristaps 1600: if (n->parent->tok != MDOC_Fo) {
1.102 kristaps 1601: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1602: return(1);
1603: }
1604:
1.86 kristaps 1605: for (nn = n->child; nn; nn = nn->next) {
1.102 kristaps 1606: term_fontpush(p, TERMFONT_UNDER);
1.258 schwarze 1607: p->flags |= TERMP_NBRWORD;
1.86 kristaps 1608: term_word(p, nn->string);
1.102 kristaps 1609: term_fontpop(p);
1610:
1.256 schwarze 1611: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222 kristaps 1612: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1613: term_word(p, ",");
1.222 kristaps 1614: }
1.1 kristaps 1615: }
1616:
1617: return(0);
1618: }
1619:
1620:
1621: /* ARGSUSED */
1622: static int
1623: termp_bd_pre(DECL_ARGS)
1624: {
1.179 kristaps 1625: size_t tabwidth, rm, rmax;
1.244 schwarze 1626: struct mdoc_node *nn;
1.1 kristaps 1627:
1.86 kristaps 1628: if (MDOC_BLOCK == n->type) {
1.151 kristaps 1629: print_bvspace(p, n, n);
1.54 kristaps 1630: return(1);
1.116 kristaps 1631: } else if (MDOC_HEAD == n->type)
1632: return(0);
1.1 kristaps 1633:
1.202 kristaps 1634: if (n->norm->Bd.offs)
1635: p->offset += a2offs(p, n->norm->Bd.offs);
1.85 kristaps 1636:
1637: /*
1638: * If -ragged or -filled are specified, the block does nothing
1639: * but change the indentation. If -unfilled or -literal are
1640: * specified, text is printed exactly as entered in the display:
1641: * for macro lines, a newline is appended to the line. Blank
1642: * lines are allowed.
1643: */
1.60 kristaps 1644:
1.202 kristaps 1645: if (DISP_literal != n->norm->Bd.type &&
1646: DISP_unfilled != n->norm->Bd.type)
1.1 kristaps 1647: return(1);
1648:
1.129 schwarze 1649: tabwidth = p->tabwidth;
1.208 kristaps 1650: if (DISP_literal == n->norm->Bd.type)
1651: p->tabwidth = term_len(p, 8);
1652:
1.119 kristaps 1653: rm = p->rmargin;
1654: rmax = p->maxrmargin;
1.120 kristaps 1655: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1656:
1.86 kristaps 1657: for (nn = n->child; nn; nn = nn->next) {
1.245 schwarze 1658: print_mdoc_node(p, pair, meta, nn);
1.190 kristaps 1659: /*
1660: * If the printed node flushes its own line, then we
1661: * needn't do it here as well. This is hacky, but the
1662: * notion of selective eoln whitespace is pretty dumb
1663: * anyway, so don't sweat it.
1664: */
1665: switch (nn->tok) {
1.193 kristaps 1666: case (MDOC_Sm):
1667: /* FALLTHROUGH */
1.190 kristaps 1668: case (MDOC_br):
1669: /* FALLTHROUGH */
1670: case (MDOC_sp):
1671: /* FALLTHROUGH */
1672: case (MDOC_Bl):
1.196 kristaps 1673: /* FALLTHROUGH */
1674: case (MDOC_D1):
1675: /* FALLTHROUGH */
1676: case (MDOC_Dl):
1.190 kristaps 1677: /* FALLTHROUGH */
1678: case (MDOC_Lp):
1679: /* FALLTHROUGH */
1680: case (MDOC_Pp):
1681: continue;
1682: default:
1683: break;
1684: }
1.180 schwarze 1685: if (nn->next && nn->next->line == nn->line)
1686: continue;
1687: term_flushln(p);
1688: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1689: }
1.147 kristaps 1690:
1.129 schwarze 1691: p->tabwidth = tabwidth;
1.119 kristaps 1692: p->rmargin = rm;
1693: p->maxrmargin = rmax;
1.1 kristaps 1694: return(0);
1695: }
1696:
1697:
1698: /* ARGSUSED */
1699: static void
1700: termp_bd_post(DECL_ARGS)
1701: {
1.119 kristaps 1702: size_t rm, rmax;
1.1 kristaps 1703:
1.86 kristaps 1704: if (MDOC_BODY != n->type)
1.1 kristaps 1705: return;
1.118 kristaps 1706:
1.119 kristaps 1707: rm = p->rmargin;
1708: rmax = p->maxrmargin;
1.118 kristaps 1709:
1.202 kristaps 1710: if (DISP_literal == n->norm->Bd.type ||
1711: DISP_unfilled == n->norm->Bd.type)
1.120 kristaps 1712: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1713:
1.60 kristaps 1714: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1715: term_newln(p);
1.118 kristaps 1716:
1.119 kristaps 1717: p->rmargin = rm;
1718: p->maxrmargin = rmax;
1.1 kristaps 1719: }
1720:
1721:
1722: /* ARGSUSED */
1.211 kristaps 1723: static int
1724: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1725: {
1726:
1.211 kristaps 1727: if (NULL != (n = n->child)) {
1728: term_word(p, n->string);
1729: p->flags |= TERMP_NOSPACE;
1730: term_word(p, "BSD");
1731: } else {
1732: term_word(p, "BSD");
1733: return(0);
1734: }
1735:
1736: if (NULL != (n = n->next)) {
1737: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1738: term_word(p, "-");
1.1 kristaps 1739: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1740: term_word(p, n->string);
1.211 kristaps 1741: }
1742:
1743: return(0);
1.1 kristaps 1744: }
1745:
1746:
1747: /* ARGSUSED */
1748: static int
1.26 kristaps 1749: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1750: {
1.26 kristaps 1751: const char *pp;
1.218 schwarze 1752: int flags;
1.1 kristaps 1753:
1.26 kristaps 1754: pp = NULL;
1.86 kristaps 1755: switch (n->tok) {
1.26 kristaps 1756: case (MDOC_Bsx):
1.194 schwarze 1757: pp = "BSD/OS";
1.26 kristaps 1758: break;
1759: case (MDOC_Dx):
1.100 kristaps 1760: pp = "DragonFly";
1.26 kristaps 1761: break;
1762: case (MDOC_Fx):
1763: pp = "FreeBSD";
1764: break;
1765: case (MDOC_Nx):
1766: pp = "NetBSD";
1767: break;
1768: case (MDOC_Ox):
1769: pp = "OpenBSD";
1770: break;
1771: case (MDOC_Ux):
1772: pp = "UNIX";
1773: break;
1774: default:
1.246 schwarze 1775: abort();
1776: /* NOTREACHED */
1.26 kristaps 1777: }
1.1 kristaps 1778:
1.26 kristaps 1779: term_word(p, pp);
1.214 kristaps 1780: if (n->child) {
1.218 schwarze 1781: flags = p->flags;
1.214 kristaps 1782: p->flags |= TERMP_KEEP;
1783: term_word(p, n->child->string);
1.218 schwarze 1784: p->flags = flags;
1.214 kristaps 1785: }
1786: return(0);
1.1 kristaps 1787: }
1788:
1789:
1790: /* ARGSUSED */
1791: static void
1792: termp_pf_post(DECL_ARGS)
1793: {
1794:
1795: p->flags |= TERMP_NOSPACE;
1796: }
1797:
1798:
1799: /* ARGSUSED */
1800: static int
1801: termp_ss_pre(DECL_ARGS)
1802: {
1803:
1.86 kristaps 1804: switch (n->type) {
1.1 kristaps 1805: case (MDOC_BLOCK):
1806: term_newln(p);
1.86 kristaps 1807: if (n->prev)
1.1 kristaps 1808: term_vspace(p);
1809: break;
1810: case (MDOC_HEAD):
1.102 kristaps 1811: term_fontpush(p, TERMFONT_BOLD);
1.238 schwarze 1812: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1813: break;
1814: default:
1815: break;
1816: }
1817:
1818: return(1);
1819: }
1820:
1821:
1822: /* ARGSUSED */
1823: static void
1824: termp_ss_post(DECL_ARGS)
1825: {
1826:
1.86 kristaps 1827: if (MDOC_HEAD == n->type)
1.1 kristaps 1828: term_newln(p);
1829: }
1830:
1831:
1832: /* ARGSUSED */
1833: static int
1834: termp_cd_pre(DECL_ARGS)
1835: {
1836:
1.143 kristaps 1837: synopsis_pre(p, n);
1.102 kristaps 1838: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1839: return(1);
1840: }
1841:
1842:
1843: /* ARGSUSED */
1844: static int
1845: termp_in_pre(DECL_ARGS)
1846: {
1.142 schwarze 1847:
1.143 kristaps 1848: synopsis_pre(p, n);
1.1 kristaps 1849:
1.160 kristaps 1850: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138 kristaps 1851: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1852: term_word(p, "#include");
1.138 kristaps 1853: term_word(p, "<");
1854: } else {
1855: term_word(p, "<");
1856: term_fontpush(p, TERMFONT_UNDER);
1857: }
1.22 kristaps 1858:
1.1 kristaps 1859: p->flags |= TERMP_NOSPACE;
1860: return(1);
1861: }
1862:
1863:
1864: /* ARGSUSED */
1865: static void
1866: termp_in_post(DECL_ARGS)
1867: {
1868:
1.160 kristaps 1869: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1870: term_fontpush(p, TERMFONT_BOLD);
1871:
1.79 kristaps 1872: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1873: term_word(p, ">");
1874:
1.160 kristaps 1875: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1876: term_fontpop(p);
1.1 kristaps 1877: }
1878:
1879:
1880: /* ARGSUSED */
1881: static int
1.45 kristaps 1882: termp_sp_pre(DECL_ARGS)
1883: {
1.91 kristaps 1884: size_t i, len;
1.45 kristaps 1885:
1.86 kristaps 1886: switch (n->tok) {
1.76 kristaps 1887: case (MDOC_sp):
1.157 kristaps 1888: len = n->child ? a2height(p, n->child->string) : 1;
1.76 kristaps 1889: break;
1890: case (MDOC_br):
1891: len = 0;
1892: break;
1893: default:
1894: len = 1;
1895: break;
1.45 kristaps 1896: }
1897:
1898: if (0 == len)
1899: term_newln(p);
1900: for (i = 0; i < len; i++)
1901: term_vspace(p);
1902:
1903: return(0);
1904: }
1905:
1906:
1.189 kristaps 1907: /* ARGSUSED */
1.45 kristaps 1908: static int
1.188 kristaps 1909: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1910: {
1911:
1.203 kristaps 1912: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1913: return(1);
1914:
1.188 kristaps 1915: switch (n->tok) {
1916: case (MDOC_Ao):
1917: /* FALLTHROUGH */
1918: case (MDOC_Aq):
1919: term_word(p, "<");
1920: break;
1921: case (MDOC_Bro):
1922: /* FALLTHROUGH */
1923: case (MDOC_Brq):
1924: term_word(p, "{");
1925: break;
1926: case (MDOC_Oo):
1927: /* FALLTHROUGH */
1928: case (MDOC_Op):
1929: /* FALLTHROUGH */
1930: case (MDOC_Bo):
1931: /* FALLTHROUGH */
1932: case (MDOC_Bq):
1933: term_word(p, "[");
1934: break;
1935: case (MDOC_Do):
1936: /* FALLTHROUGH */
1937: case (MDOC_Dq):
1.249 schwarze 1938: term_word(p, "\\(lq");
1.188 kristaps 1939: break;
1.237 schwarze 1940: case (MDOC_Eo):
1941: break;
1.188 kristaps 1942: case (MDOC_Po):
1943: /* FALLTHROUGH */
1944: case (MDOC_Pq):
1945: term_word(p, "(");
1946: break;
1.205 kristaps 1947: case (MDOC__T):
1948: /* FALLTHROUGH */
1.188 kristaps 1949: case (MDOC_Qo):
1950: /* FALLTHROUGH */
1951: case (MDOC_Qq):
1952: term_word(p, "\"");
1953: break;
1954: case (MDOC_Ql):
1955: /* FALLTHROUGH */
1956: case (MDOC_So):
1957: /* FALLTHROUGH */
1958: case (MDOC_Sq):
1.249 schwarze 1959: term_word(p, "\\(oq");
1.188 kristaps 1960: break;
1961: default:
1962: abort();
1963: /* NOTREACHED */
1964: }
1.1 kristaps 1965:
1966: p->flags |= TERMP_NOSPACE;
1967: return(1);
1968: }
1969:
1970:
1.189 kristaps 1971: /* ARGSUSED */
1.1 kristaps 1972: static void
1.188 kristaps 1973: termp_quote_post(DECL_ARGS)
1.1 kristaps 1974: {
1975:
1.203 kristaps 1976: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1977: return;
1978:
1979: p->flags |= TERMP_NOSPACE;
1980:
1.188 kristaps 1981: switch (n->tok) {
1982: case (MDOC_Ao):
1983: /* FALLTHROUGH */
1984: case (MDOC_Aq):
1985: term_word(p, ">");
1986: break;
1987: case (MDOC_Bro):
1988: /* FALLTHROUGH */
1989: case (MDOC_Brq):
1990: term_word(p, "}");
1991: break;
1992: case (MDOC_Oo):
1993: /* FALLTHROUGH */
1994: case (MDOC_Op):
1995: /* FALLTHROUGH */
1996: case (MDOC_Bo):
1997: /* FALLTHROUGH */
1998: case (MDOC_Bq):
1999: term_word(p, "]");
2000: break;
2001: case (MDOC_Do):
2002: /* FALLTHROUGH */
2003: case (MDOC_Dq):
1.249 schwarze 2004: term_word(p, "\\(rq");
1.237 schwarze 2005: break;
2006: case (MDOC_Eo):
1.188 kristaps 2007: break;
2008: case (MDOC_Po):
2009: /* FALLTHROUGH */
2010: case (MDOC_Pq):
2011: term_word(p, ")");
2012: break;
1.205 kristaps 2013: case (MDOC__T):
2014: /* FALLTHROUGH */
1.188 kristaps 2015: case (MDOC_Qo):
2016: /* FALLTHROUGH */
2017: case (MDOC_Qq):
2018: term_word(p, "\"");
2019: break;
2020: case (MDOC_Ql):
2021: /* FALLTHROUGH */
2022: case (MDOC_So):
2023: /* FALLTHROUGH */
2024: case (MDOC_Sq):
1.249 schwarze 2025: term_word(p, "\\(cq");
1.188 kristaps 2026: break;
2027: default:
2028: abort();
2029: /* NOTREACHED */
2030: }
1.1 kristaps 2031: }
2032:
2033:
2034: /* ARGSUSED */
2035: static int
2036: termp_fo_pre(DECL_ARGS)
2037: {
1.257 schwarze 2038: size_t rmargin = 0;
1.256 schwarze 2039: int pretty;
2040:
2041: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 2042:
1.141 kristaps 2043: if (MDOC_BLOCK == n->type) {
1.143 kristaps 2044: synopsis_pre(p, n);
1.141 kristaps 2045: return(1);
2046: } else if (MDOC_BODY == n->type) {
1.256 schwarze 2047: if (pretty) {
2048: rmargin = p->rmargin;
1.257 schwarze 2049: p->rmargin = p->offset + term_len(p, 4);
1.256 schwarze 2050: p->flags |= TERMP_NOBREAK | TERMP_HANG;
2051: }
1.33 kristaps 2052: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2053: term_word(p, "(");
1.222 kristaps 2054: p->flags |= TERMP_NOSPACE;
1.256 schwarze 2055: if (pretty) {
2056: term_flushln(p);
2057: p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
2058: p->offset = p->rmargin;
2059: p->rmargin = rmargin;
2060: }
1.1 kristaps 2061: return(1);
1.256 schwarze 2062: }
1.141 kristaps 2063:
1.169 kristaps 2064: if (NULL == n->child)
2065: return(0);
2066:
1.141 kristaps 2067: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2068:
1.141 kristaps 2069: assert(n->child->string);
1.102 kristaps 2070: term_fontpush(p, TERMFONT_BOLD);
1.141 kristaps 2071: term_word(p, n->child->string);
1.1 kristaps 2072: return(0);
2073: }
2074:
2075:
2076: /* ARGSUSED */
2077: static void
2078: termp_fo_post(DECL_ARGS)
2079: {
2080:
1.143 kristaps 2081: if (MDOC_BODY != n->type)
2082: return;
2083:
1.222 kristaps 2084: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2085: term_word(p, ")");
2086:
1.222 kristaps 2087: if (MDOC_SYNPRETTY & n->flags) {
2088: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2089: term_word(p, ";");
1.256 schwarze 2090: term_flushln(p);
1.222 kristaps 2091: }
1.1 kristaps 2092: }
2093:
2094:
2095: /* ARGSUSED */
2096: static int
2097: termp_bf_pre(DECL_ARGS)
2098: {
2099:
1.86 kristaps 2100: if (MDOC_HEAD == n->type)
1.1 kristaps 2101: return(0);
1.244 schwarze 2102: else if (MDOC_BODY != n->type)
1.1 kristaps 2103: return(1);
2104:
1.202 kristaps 2105: if (FONT_Em == n->norm->Bf.font)
1.102 kristaps 2106: term_fontpush(p, TERMFONT_UNDER);
1.202 kristaps 2107: else if (FONT_Sy == n->norm->Bf.font)
1.102 kristaps 2108: term_fontpush(p, TERMFONT_BOLD);
1.167 kristaps 2109: else
1.102 kristaps 2110: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2111:
2112: return(1);
2113: }
2114:
2115:
2116: /* ARGSUSED */
2117: static int
2118: termp_sm_pre(DECL_ARGS)
2119: {
2120:
1.86 kristaps 2121: assert(n->child && MDOC_TEXT == n->child->type);
1.174 schwarze 2122: if (0 == strcmp("on", n->child->string)) {
2123: if (p->col)
2124: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2125: p->flags &= ~TERMP_NONOSPACE;
1.174 schwarze 2126: } else
1.1 kristaps 2127: p->flags |= TERMP_NONOSPACE;
2128:
2129: return(0);
2130: }
2131:
2132:
2133: /* ARGSUSED */
2134: static int
2135: termp_ap_pre(DECL_ARGS)
2136: {
2137:
2138: p->flags |= TERMP_NOSPACE;
1.188 kristaps 2139: term_word(p, "'");
1.1 kristaps 2140: p->flags |= TERMP_NOSPACE;
2141: return(1);
2142: }
2143:
2144:
2145: /* ARGSUSED */
2146: static void
2147: termp____post(DECL_ARGS)
2148: {
1.184 kristaps 2149:
2150: /*
2151: * Handle lists of authors. In general, print each followed by
2152: * a comma. Don't print the comma if there are only two
2153: * authors.
2154: */
2155: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2156: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2157: if (NULL == n->prev || MDOC__A != n->prev->tok)
2158: return;
1.1 kristaps 2159:
1.95 kristaps 2160: /* TODO: %U. */
2161:
1.187 kristaps 2162: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2163: return;
2164:
1.222 kristaps 2165: p->flags |= TERMP_NOSPACE;
1.186 kristaps 2166: if (NULL == n->next) {
2167: term_word(p, ".");
2168: p->flags |= TERMP_SENTENCE;
2169: } else
2170: term_word(p, ",");
1.1 kristaps 2171: }
2172:
2173:
2174: /* ARGSUSED */
2175: static int
1.102 kristaps 2176: termp_li_pre(DECL_ARGS)
2177: {
2178:
2179: term_fontpush(p, TERMFONT_NONE);
2180: return(1);
2181: }
2182:
2183:
2184: /* ARGSUSED */
2185: static int
1.1 kristaps 2186: termp_lk_pre(DECL_ARGS)
2187: {
1.240 schwarze 2188: const struct mdoc_node *link, *descr;
1.1 kristaps 2189:
1.240 schwarze 2190: if (NULL == (link = n->child))
2191: return(0);
1.181 kristaps 2192:
1.240 schwarze 2193: if (NULL != (descr = link->next)) {
2194: term_fontpush(p, TERMFONT_UNDER);
2195: while (NULL != descr) {
2196: term_word(p, descr->string);
2197: descr = descr->next;
2198: }
2199: p->flags |= TERMP_NOSPACE;
2200: term_word(p, ":");
2201: term_fontpop(p);
2202: }
1.1 kristaps 2203:
1.102 kristaps 2204: term_fontpush(p, TERMFONT_BOLD);
1.240 schwarze 2205: term_word(p, link->string);
1.102 kristaps 2206: term_fontpop(p);
1.12 kristaps 2207:
1.1 kristaps 2208: return(0);
2209: }
2210:
1.159 schwarze 2211:
2212: /* ARGSUSED */
2213: static int
2214: termp_bk_pre(DECL_ARGS)
2215: {
2216:
1.161 schwarze 2217: switch (n->type) {
2218: case (MDOC_BLOCK):
1.166 kristaps 2219: break;
1.161 schwarze 2220: case (MDOC_HEAD):
2221: return(0);
2222: case (MDOC_BODY):
1.200 schwarze 2223: if (n->parent->args || 0 == n->prev->nchild)
2224: p->flags |= TERMP_PREKEEP;
1.166 kristaps 2225: break;
1.161 schwarze 2226: default:
2227: abort();
1.166 kristaps 2228: /* NOTREACHED */
1.161 schwarze 2229: }
1.166 kristaps 2230:
2231: return(1);
1.159 schwarze 2232: }
2233:
2234:
2235: /* ARGSUSED */
2236: static void
2237: termp_bk_post(DECL_ARGS)
2238: {
2239:
1.253 schwarze 2240: if (MDOC_BODY == n->type)
1.161 schwarze 2241: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203 kristaps 2242: }
2243:
2244: /* ARGSUSED */
2245: static void
2246: termp__t_post(DECL_ARGS)
2247: {
2248:
2249: /*
2250: * If we're in an `Rs' and there's a journal present, then quote
2251: * us instead of underlining us (for disambiguation).
2252: */
1.217 schwarze 2253: if (n->parent && MDOC_Rs == n->parent->tok &&
1.210 kristaps 2254: n->parent->norm->Rs.quote_T)
1.245 schwarze 2255: termp_quote_post(p, pair, meta, n);
1.203 kristaps 2256:
1.245 schwarze 2257: termp____post(p, pair, meta, n);
1.203 kristaps 2258: }
2259:
2260: /* ARGSUSED */
2261: static int
2262: termp__t_pre(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: */
2269: if (n->parent && MDOC_Rs == n->parent->tok &&
1.210 kristaps 2270: n->parent->norm->Rs.quote_T)
1.245 schwarze 2271: return(termp_quote_pre(p, pair, meta, n));
1.203 kristaps 2272:
2273: term_fontpush(p, TERMFONT_UNDER);
2274: return(1);
1.159 schwarze 2275: }
1.1 kristaps 2276:
2277: /* ARGSUSED */
2278: static int
1.69 kristaps 2279: termp_under_pre(DECL_ARGS)
1.1 kristaps 2280: {
2281:
1.102 kristaps 2282: term_fontpush(p, TERMFONT_UNDER);
1.84 kristaps 2283: return(1);
2284: }
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