Annotation of mandoc/mdoc_term.c, Revision 1.256
1.256 ! schwarze 1: /* $Id: mdoc_term.c,v 1.255 2013/12/25 00:39:31 schwarze Exp $ */
1.1 kristaps 2: /*
1.217 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.250 schwarze 4: * Copyright (c) 2010, 2012, 2013 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;
876: else
877: p->offset += width;
878: break;
1.126 kristaps 879: case (LIST_column):
1.49 kristaps 880: assert(width);
1.1 kristaps 881: p->rmargin = p->offset + width;
1.50 kristaps 882: /*
883: * XXX - this behaviour is not documented: the
884: * right-most column is filled to the right margin.
885: */
1.134 kristaps 886: if (MDOC_HEAD == n->type)
887: break;
888: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50 kristaps 889: p->rmargin = p->maxrmargin;
1.1 kristaps 890: break;
891: default:
892: break;
893: }
894:
895: /*
896: * The dash, hyphen, bullet and enum lists all have a special
1.15 kristaps 897: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 898: */
899:
1.86 kristaps 900: if (MDOC_HEAD == n->type)
1.1 kristaps 901: switch (type) {
1.126 kristaps 902: case (LIST_bullet):
1.102 kristaps 903: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 904: term_word(p, "\\[bu]");
1.102 kristaps 905: term_fontpop(p);
1.1 kristaps 906: break;
1.126 kristaps 907: case (LIST_dash):
1.1 kristaps 908: /* FALLTHROUGH */
1.126 kristaps 909: case (LIST_hyphen):
1.102 kristaps 910: term_fontpush(p, TERMFONT_BOLD);
1.27 kristaps 911: term_word(p, "\\(hy");
1.102 kristaps 912: term_fontpop(p);
1.1 kristaps 913: break;
1.126 kristaps 914: case (LIST_enum):
1.1 kristaps 915: (pair->ppair->ppair->count)++;
1.109 kristaps 916: snprintf(buf, sizeof(buf), "%d.",
1.1 kristaps 917: pair->ppair->ppair->count);
918: term_word(p, buf);
919: break;
920: default:
921: break;
922: }
923:
924: /*
925: * If we're not going to process our children, indicate so here.
926: */
927:
928: switch (type) {
1.126 kristaps 929: case (LIST_bullet):
1.1 kristaps 930: /* FALLTHROUGH */
1.126 kristaps 931: case (LIST_item):
1.1 kristaps 932: /* FALLTHROUGH */
1.126 kristaps 933: case (LIST_dash):
1.1 kristaps 934: /* FALLTHROUGH */
1.126 kristaps 935: case (LIST_hyphen):
1.1 kristaps 936: /* FALLTHROUGH */
1.126 kristaps 937: case (LIST_enum):
1.86 kristaps 938: if (MDOC_HEAD == n->type)
1.1 kristaps 939: return(0);
940: break;
1.126 kristaps 941: case (LIST_column):
1.134 kristaps 942: if (MDOC_HEAD == n->type)
1.1 kristaps 943: return(0);
944: break;
945: default:
946: break;
947: }
948:
949: return(1);
950: }
951:
952:
953: /* ARGSUSED */
954: static void
955: termp_it_post(DECL_ARGS)
956: {
1.126 kristaps 957: enum mdoc_list type;
1.1 kristaps 958:
1.109 kristaps 959: if (MDOC_BLOCK == n->type)
1.1 kristaps 960: return;
961:
1.202 kristaps 962: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 963:
964: switch (type) {
1.126 kristaps 965: case (LIST_item):
1.1 kristaps 966: /* FALLTHROUGH */
1.126 kristaps 967: case (LIST_diag):
1.53 kristaps 968: /* FALLTHROUGH */
1.126 kristaps 969: case (LIST_inset):
1.86 kristaps 970: if (MDOC_BODY == n->type)
1.130 schwarze 971: term_newln(p);
1.1 kristaps 972: break;
1.126 kristaps 973: case (LIST_column):
1.134 kristaps 974: if (MDOC_BODY == n->type)
1.1 kristaps 975: term_flushln(p);
976: break;
977: default:
1.130 schwarze 978: term_newln(p);
1.1 kristaps 979: break;
980: }
981:
1.109 kristaps 982: /*
983: * Now that our output is flushed, we can reset our tags. Since
984: * only `It' sets these flags, we're free to assume that nobody
985: * has munged them in the meanwhile.
986: */
987:
988: p->flags &= ~TERMP_DANGLE;
989: p->flags &= ~TERMP_NOBREAK;
990: p->flags &= ~TERMP_HANG;
1.250 schwarze 991: p->trailspace = 0;
1.1 kristaps 992: }
993:
994:
995: /* ARGSUSED */
996: static int
997: termp_nm_pre(DECL_ARGS)
998: {
999:
1.253 schwarze 1000: if (MDOC_BLOCK == n->type) {
1001: p->flags |= TERMP_PREKEEP;
1.164 schwarze 1002: return(1);
1.253 schwarze 1003: }
1.164 schwarze 1004:
1005: if (MDOC_BODY == n->type) {
1006: if (NULL == n->child)
1007: return(0);
1.234 schwarze 1008: p->flags |= TERMP_NOSPACE;
1.164 schwarze 1009: p->offset += term_len(p, 1) +
1.245 schwarze 1010: (NULL == n->prev->child ?
1011: term_strlen(p, meta->name) :
1.164 schwarze 1012: MDOC_TEXT == n->prev->child->type ?
1.245 schwarze 1013: term_strlen(p, n->prev->child->string) :
1.164 schwarze 1014: term_len(p, 5));
1015: return(1);
1016: }
1017:
1.245 schwarze 1018: if (NULL == n->child && NULL == meta->name)
1.164 schwarze 1019: return(0);
1.125 kristaps 1020:
1.177 schwarze 1021: if (MDOC_HEAD == n->type)
1022: synopsis_pre(p, n->parent);
1.102 kristaps 1023:
1.164 schwarze 1024: if (MDOC_HEAD == n->type && n->next->child) {
1.185 schwarze 1025: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.250 schwarze 1026: p->trailspace = 1;
1.185 schwarze 1027: p->rmargin = p->offset + term_len(p, 1);
1028: if (NULL == n->child) {
1.245 schwarze 1029: p->rmargin += term_strlen(p, meta->name);
1.185 schwarze 1030: } else if (MDOC_TEXT == n->child->type) {
1031: p->rmargin += term_strlen(p, n->child->string);
1032: if (n->child->next)
1033: p->flags |= TERMP_HANG;
1034: } else {
1035: p->rmargin += term_len(p, 5);
1036: p->flags |= TERMP_HANG;
1037: }
1.164 schwarze 1038: }
1039:
1.102 kristaps 1040: term_fontpush(p, TERMFONT_BOLD);
1.86 kristaps 1041: if (NULL == n->child)
1.245 schwarze 1042: term_word(p, meta->name);
1.1 kristaps 1043: return(1);
1044: }
1045:
1046:
1.164 schwarze 1047: /* ARGSUSED */
1048: static void
1049: termp_nm_post(DECL_ARGS)
1050: {
1051:
1.253 schwarze 1052: if (MDOC_BLOCK == n->type) {
1053: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1054: } else if (MDOC_HEAD == n->type && n->next->child) {
1.164 schwarze 1055: term_flushln(p);
1056: p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
1.250 schwarze 1057: p->trailspace = 0;
1.234 schwarze 1058: } else if (MDOC_BODY == n->type && n->child)
1.164 schwarze 1059: term_flushln(p);
1060: }
1061:
1062:
1.1 kristaps 1063: /* ARGSUSED */
1064: static int
1065: termp_fl_pre(DECL_ARGS)
1066: {
1067:
1.102 kristaps 1068: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1069: term_word(p, "\\-");
1.103 kristaps 1070:
1071: if (n->child)
1.114 kristaps 1072: p->flags |= TERMP_NOSPACE;
1073: else if (n->next && n->next->line == n->line)
1.103 kristaps 1074: p->flags |= TERMP_NOSPACE;
1075:
1.1 kristaps 1076: return(1);
1077: }
1078:
1079:
1080: /* ARGSUSED */
1081: static int
1.184 kristaps 1082: termp__a_pre(DECL_ARGS)
1083: {
1084:
1085: if (n->prev && MDOC__A == n->prev->tok)
1086: if (NULL == n->next || MDOC__A != n->next->tok)
1087: term_word(p, "and");
1088:
1089: return(1);
1090: }
1091:
1092:
1093: /* ARGSUSED */
1094: static int
1.61 kristaps 1095: termp_an_pre(DECL_ARGS)
1096: {
1097:
1.86 kristaps 1098: if (NULL == n->child)
1.61 kristaps 1099: return(1);
1100:
1101: /*
1.85 kristaps 1102: * If not in the AUTHORS section, `An -split' will cause
1103: * newlines to occur before the author name. If in the AUTHORS
1104: * section, by default, the first `An' invocation is nosplit,
1105: * then all subsequent ones, regardless of whether interspersed
1106: * with other macros/text, are split. -split, in this case,
1107: * will override the condition of the implied first -nosplit.
1.61 kristaps 1108: */
1109:
1.86 kristaps 1110: if (n->sec == SEC_AUTHORS) {
1.61 kristaps 1111: if ( ! (TERMP_ANPREC & p->flags)) {
1112: if (TERMP_SPLIT & p->flags)
1113: term_newln(p);
1114: return(1);
1115: }
1116: if (TERMP_NOSPLIT & p->flags)
1117: return(1);
1118: term_newln(p);
1119: return(1);
1120: }
1121:
1122: if (TERMP_SPLIT & p->flags)
1123: term_newln(p);
1124:
1125: return(1);
1126: }
1127:
1128:
1129: /* ARGSUSED */
1130: static void
1131: termp_an_post(DECL_ARGS)
1132: {
1133:
1.86 kristaps 1134: if (n->child) {
1135: if (SEC_AUTHORS == n->sec)
1.61 kristaps 1136: p->flags |= TERMP_ANPREC;
1137: return;
1138: }
1139:
1.202 kristaps 1140: if (AUTH_split == n->norm->An.auth) {
1.61 kristaps 1141: p->flags &= ~TERMP_NOSPLIT;
1142: p->flags |= TERMP_SPLIT;
1.202 kristaps 1143: } else if (AUTH_nosplit == n->norm->An.auth) {
1.61 kristaps 1144: p->flags &= ~TERMP_SPLIT;
1145: p->flags |= TERMP_NOSPLIT;
1146: }
1147:
1148: }
1149:
1150:
1151: /* ARGSUSED */
1152: static int
1.1 kristaps 1153: termp_ns_pre(DECL_ARGS)
1154: {
1155:
1.215 kristaps 1156: if ( ! (MDOC_LINE & n->flags))
1157: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1158: return(1);
1159: }
1160:
1161:
1162: /* ARGSUSED */
1163: static int
1164: termp_rs_pre(DECL_ARGS)
1165: {
1166:
1.86 kristaps 1167: if (SEC_SEE_ALSO != n->sec)
1.80 kristaps 1168: return(1);
1.86 kristaps 1169: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1170: term_vspace(p);
1171: return(1);
1172: }
1173:
1174:
1175: /* ARGSUSED */
1176: static int
1177: termp_rv_pre(DECL_ARGS)
1178: {
1.223 kristaps 1179: int nchild;
1.1 kristaps 1180:
1181: term_newln(p);
1182: term_word(p, "The");
1183:
1.223 kristaps 1184: nchild = n->nchild;
1185: for (n = n->child; n; n = n->next) {
1.102 kristaps 1186: term_fontpush(p, TERMFONT_BOLD);
1.223 kristaps 1187: term_word(p, n->string);
1.102 kristaps 1188: term_fontpop(p);
1.224 kristaps 1189:
1.68 kristaps 1190: p->flags |= TERMP_NOSPACE;
1.223 kristaps 1191: term_word(p, "()");
1192:
1193: if (nchild > 2 && n->next) {
1194: p->flags |= TERMP_NOSPACE;
1195: term_word(p, ",");
1196: }
1197:
1198: if (n->next && NULL == n->next->next)
1199: term_word(p, "and");
1.68 kristaps 1200: }
1201:
1.223 kristaps 1202: if (nchild > 1)
1.68 kristaps 1203: term_word(p, "functions return");
1204: else
1205: term_word(p, "function returns");
1.1 kristaps 1206:
1.68 kristaps 1207: term_word(p, "the value 0 if successful; otherwise the value "
1208: "-1 is returned and the global variable");
1.1 kristaps 1209:
1.102 kristaps 1210: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1211: term_word(p, "errno");
1.102 kristaps 1212: term_fontpop(p);
1.1 kristaps 1213:
1214: term_word(p, "is set to indicate the error.");
1.131 kristaps 1215: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1216:
1.68 kristaps 1217: return(0);
1.1 kristaps 1218: }
1219:
1220:
1221: /* ARGSUSED */
1222: static int
1223: termp_ex_pre(DECL_ARGS)
1224: {
1.224 kristaps 1225: int nchild;
1.1 kristaps 1226:
1.224 kristaps 1227: term_newln(p);
1.68 kristaps 1228: term_word(p, "The");
1.1 kristaps 1229:
1.224 kristaps 1230: nchild = n->nchild;
1231: for (n = n->child; n; n = n->next) {
1.102 kristaps 1232: term_fontpush(p, TERMFONT_BOLD);
1.224 kristaps 1233: term_word(p, n->string);
1.102 kristaps 1234: term_fontpop(p);
1.224 kristaps 1235:
1236: if (nchild > 2 && n->next) {
1237: p->flags |= TERMP_NOSPACE;
1.68 kristaps 1238: term_word(p, ",");
1.224 kristaps 1239: }
1240:
1241: if (n->next && NULL == n->next->next)
1242: term_word(p, "and");
1.68 kristaps 1243: }
1244:
1.224 kristaps 1245: if (nchild > 1)
1.68 kristaps 1246: term_word(p, "utilities exit");
1247: else
1248: term_word(p, "utility exits");
1249:
1250: term_word(p, "0 on success, and >0 if an error occurs.");
1.224 kristaps 1251:
1.131 kristaps 1252: p->flags |= TERMP_SENTENCE;
1.68 kristaps 1253: return(0);
1.1 kristaps 1254: }
1255:
1256:
1257: /* ARGSUSED */
1258: static int
1259: termp_nd_pre(DECL_ARGS)
1260: {
1.25 kristaps 1261:
1.86 kristaps 1262: if (MDOC_BODY != n->type)
1.25 kristaps 1263: return(1);
1.30 kristaps 1264:
1.27 kristaps 1265: #if defined(__OpenBSD__) || defined(__linux__)
1.41 kristaps 1266: term_word(p, "\\(en");
1.23 kristaps 1267: #else
1268: term_word(p, "\\(em");
1269: #endif
1.1 kristaps 1270: return(1);
1.115 kristaps 1271: }
1272:
1273:
1274: /* ARGSUSED */
1275: static int
1276: termp_bl_pre(DECL_ARGS)
1277: {
1278:
1279: return(MDOC_HEAD != n->type);
1.1 kristaps 1280: }
1281:
1282:
1283: /* ARGSUSED */
1284: static void
1285: termp_bl_post(DECL_ARGS)
1286: {
1287:
1.86 kristaps 1288: if (MDOC_BLOCK == n->type)
1.1 kristaps 1289: term_newln(p);
1290: }
1291:
1292: /* ARGSUSED */
1293: static int
1294: termp_xr_pre(DECL_ARGS)
1295: {
1296:
1.225 kristaps 1297: if (NULL == (n = n->child))
1.113 kristaps 1298: return(0);
1299:
1.225 kristaps 1300: assert(MDOC_TEXT == n->type);
1301: term_word(p, n->string);
1.11 kristaps 1302:
1.225 kristaps 1303: if (NULL == (n = n->next))
1.1 kristaps 1304: return(0);
1.225 kristaps 1305:
1.1 kristaps 1306: p->flags |= TERMP_NOSPACE;
1307: term_word(p, "(");
1.222 kristaps 1308: p->flags |= TERMP_NOSPACE;
1.225 kristaps 1309:
1310: assert(MDOC_TEXT == n->type);
1311: term_word(p, n->string);
1312:
1.222 kristaps 1313: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1314: term_word(p, ")");
1.86 kristaps 1315:
1.1 kristaps 1316: return(0);
1317: }
1318:
1.143 kristaps 1319: /*
1320: * This decides how to assert whitespace before any of the SYNOPSIS set
1321: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1322: * macro combos).
1323: */
1324: static void
1325: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1326: {
1327: /*
1328: * Obviously, if we're not in a SYNOPSIS or no prior macros
1329: * exist, do nothing.
1330: */
1.160 kristaps 1331: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143 kristaps 1332: return;
1333:
1334: /*
1335: * If we're the second in a pair of like elements, emit our
1336: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1337: * case we soldier on.
1338: */
1339: if (n->prev->tok == n->tok &&
1340: MDOC_Ft != n->tok &&
1341: MDOC_Fo != n->tok &&
1342: MDOC_Fn != n->tok) {
1343: term_newln(p);
1344: return;
1345: }
1346:
1347: /*
1348: * If we're one of the SYNOPSIS set and non-like pair-wise after
1349: * another (or Fn/Fo, which we've let slip through) then assert
1350: * vertical space, else only newline and move on.
1351: */
1352: switch (n->prev->tok) {
1353: case (MDOC_Fd):
1354: /* FALLTHROUGH */
1355: case (MDOC_Fn):
1356: /* FALLTHROUGH */
1357: case (MDOC_Fo):
1358: /* FALLTHROUGH */
1359: case (MDOC_In):
1360: /* FALLTHROUGH */
1361: case (MDOC_Vt):
1362: term_vspace(p);
1363: break;
1364: case (MDOC_Ft):
1365: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1366: term_vspace(p);
1367: break;
1368: }
1369: /* FALLTHROUGH */
1370: default:
1371: term_newln(p);
1372: break;
1373: }
1374: }
1375:
1376:
1.110 kristaps 1377: static int
1378: termp_vt_pre(DECL_ARGS)
1379: {
1380:
1.143 kristaps 1381: if (MDOC_ELEM == n->type) {
1382: synopsis_pre(p, n);
1.245 schwarze 1383: return(termp_under_pre(p, pair, meta, n));
1.143 kristaps 1384: } else if (MDOC_BLOCK == n->type) {
1385: synopsis_pre(p, n);
1386: return(1);
1387: } else if (MDOC_HEAD == n->type)
1.110 kristaps 1388: return(0);
1389:
1.245 schwarze 1390: return(termp_under_pre(p, pair, meta, n));
1.110 kristaps 1391: }
1392:
1393:
1.1 kristaps 1394: /* ARGSUSED */
1395: static int
1.69 kristaps 1396: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1397: {
1398:
1.102 kristaps 1399: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1400: return(1);
1401: }
1402:
1403:
1404: /* ARGSUSED */
1.143 kristaps 1405: static int
1406: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1407: {
1408:
1.143 kristaps 1409: synopsis_pre(p, n);
1.245 schwarze 1410: return(termp_bold_pre(p, pair, meta, n));
1.1 kristaps 1411: }
1412:
1413:
1414: /* ARGSUSED */
1.241 schwarze 1415: static void
1416: termp_fd_post(DECL_ARGS)
1417: {
1418:
1419: term_newln(p);
1420: }
1421:
1422:
1423: /* ARGSUSED */
1.1 kristaps 1424: static int
1425: termp_sh_pre(DECL_ARGS)
1426: {
1.85 kristaps 1427:
1428: /* No vspace between consecutive `Sh' calls. */
1429:
1.86 kristaps 1430: switch (n->type) {
1.65 kristaps 1431: case (MDOC_BLOCK):
1.86 kristaps 1432: if (n->prev && MDOC_Sh == n->prev->tok)
1433: if (NULL == n->prev->body->child)
1.65 kristaps 1434: break;
1435: term_vspace(p);
1436: break;
1.1 kristaps 1437: case (MDOC_HEAD):
1.102 kristaps 1438: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1439: break;
1440: case (MDOC_BODY):
1.238 schwarze 1441: p->offset = term_len(p, p->defindent);
1.239 schwarze 1442: if (SEC_AUTHORS == n->sec)
1443: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1444: break;
1445: default:
1446: break;
1447: }
1448: return(1);
1449: }
1450:
1451:
1452: /* ARGSUSED */
1453: static void
1454: termp_sh_post(DECL_ARGS)
1455: {
1456:
1.86 kristaps 1457: switch (n->type) {
1.1 kristaps 1458: case (MDOC_HEAD):
1459: term_newln(p);
1460: break;
1461: case (MDOC_BODY):
1462: term_newln(p);
1463: p->offset = 0;
1464: break;
1465: default:
1466: break;
1467: }
1468: }
1469:
1470:
1471: /* ARGSUSED */
1472: static int
1473: termp_bt_pre(DECL_ARGS)
1474: {
1475:
1476: term_word(p, "is currently in beta test.");
1.131 kristaps 1477: p->flags |= TERMP_SENTENCE;
1.81 kristaps 1478: return(0);
1.1 kristaps 1479: }
1480:
1481:
1482: /* ARGSUSED */
1483: static void
1484: termp_lb_post(DECL_ARGS)
1485: {
1486:
1.122 kristaps 1487: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81 kristaps 1488: term_newln(p);
1.1 kristaps 1489: }
1490:
1491:
1492: /* ARGSUSED */
1493: static int
1494: termp_ud_pre(DECL_ARGS)
1495: {
1496:
1497: term_word(p, "currently under development.");
1.131 kristaps 1498: p->flags |= TERMP_SENTENCE;
1.86 kristaps 1499: return(0);
1.1 kristaps 1500: }
1501:
1502:
1503: /* ARGSUSED */
1504: static int
1505: termp_d1_pre(DECL_ARGS)
1506: {
1507:
1.86 kristaps 1508: if (MDOC_BLOCK != n->type)
1.1 kristaps 1509: return(1);
1510: term_newln(p);
1.238 schwarze 1511: p->offset += term_len(p, p->defindent + 1);
1.1 kristaps 1512: return(1);
1513: }
1514:
1515:
1516: /* ARGSUSED */
1517: static int
1518: termp_ft_pre(DECL_ARGS)
1519: {
1520:
1.141 kristaps 1521: /* NB: MDOC_LINE does not effect this! */
1.143 kristaps 1522: synopsis_pre(p, n);
1.102 kristaps 1523: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1524: return(1);
1525: }
1526:
1527:
1528: /* ARGSUSED */
1529: static int
1530: termp_fn_pre(DECL_ARGS)
1531: {
1.251 schwarze 1532: size_t width, rmargin = 0;
1.226 kristaps 1533: int pretty;
1534:
1535: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1536:
1.143 kristaps 1537: synopsis_pre(p, n);
1.139 kristaps 1538:
1.226 kristaps 1539: if (NULL == (n = n->child))
1540: return(0);
1541:
1.251 schwarze 1542: if (pretty) {
1543: width = term_len(p, 4);
1544: rmargin = p->rmargin;
1545: p->rmargin = p->offset + width;
1546: p->flags |= TERMP_NOBREAK | TERMP_HANG;
1547: }
1548:
1.226 kristaps 1549: assert(MDOC_TEXT == n->type);
1.102 kristaps 1550: term_fontpush(p, TERMFONT_BOLD);
1.226 kristaps 1551: term_word(p, n->string);
1.102 kristaps 1552: term_fontpop(p);
1.1 kristaps 1553:
1.251 schwarze 1554: if (pretty) {
1555: term_flushln(p);
1556: p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
1557: p->offset = p->rmargin;
1558: p->rmargin = rmargin;
1559: }
1560:
1.1 kristaps 1561: p->flags |= TERMP_NOSPACE;
1562: term_word(p, "(");
1.222 kristaps 1563: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1564:
1.226 kristaps 1565: for (n = n->next; n; n = n->next) {
1566: assert(MDOC_TEXT == n->type);
1.102 kristaps 1567: term_fontpush(p, TERMFONT_UNDER);
1.255 schwarze 1568: if (pretty)
1569: p->flags |= TERMP_NBRWORD;
1.226 kristaps 1570: term_word(p, n->string);
1.102 kristaps 1571: term_fontpop(p);
1572:
1.226 kristaps 1573: if (n->next) {
1.222 kristaps 1574: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1575: term_word(p, ",");
1.222 kristaps 1576: }
1.1 kristaps 1577: }
1578:
1.222 kristaps 1579: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1580: term_word(p, ")");
1581:
1.226 kristaps 1582: if (pretty) {
1.222 kristaps 1583: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1584: term_word(p, ";");
1.251 schwarze 1585: term_flushln(p);
1.222 kristaps 1586: }
1.1 kristaps 1587:
1588: return(0);
1589: }
1590:
1591:
1592: /* ARGSUSED */
1593: static int
1594: termp_fa_pre(DECL_ARGS)
1595: {
1.86 kristaps 1596: const struct mdoc_node *nn;
1.1 kristaps 1597:
1.86 kristaps 1598: if (n->parent->tok != MDOC_Fo) {
1.102 kristaps 1599: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1600: return(1);
1601: }
1602:
1.86 kristaps 1603: for (nn = n->child; nn; nn = nn->next) {
1.102 kristaps 1604: term_fontpush(p, TERMFONT_UNDER);
1.256 ! schwarze 1605: if (MDOC_SYNPRETTY & n->flags)
! 1606: p->flags |= TERMP_NBRWORD;
1.86 kristaps 1607: term_word(p, nn->string);
1.102 kristaps 1608: term_fontpop(p);
1609:
1.256 ! schwarze 1610: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222 kristaps 1611: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1612: term_word(p, ",");
1.222 kristaps 1613: }
1.1 kristaps 1614: }
1615:
1616: return(0);
1617: }
1618:
1619:
1620: /* ARGSUSED */
1621: static int
1622: termp_bd_pre(DECL_ARGS)
1623: {
1.179 kristaps 1624: size_t tabwidth, rm, rmax;
1.244 schwarze 1625: struct mdoc_node *nn;
1.1 kristaps 1626:
1.86 kristaps 1627: if (MDOC_BLOCK == n->type) {
1.151 kristaps 1628: print_bvspace(p, n, n);
1.54 kristaps 1629: return(1);
1.116 kristaps 1630: } else if (MDOC_HEAD == n->type)
1631: return(0);
1.1 kristaps 1632:
1.202 kristaps 1633: if (n->norm->Bd.offs)
1634: p->offset += a2offs(p, n->norm->Bd.offs);
1.85 kristaps 1635:
1636: /*
1637: * If -ragged or -filled are specified, the block does nothing
1638: * but change the indentation. If -unfilled or -literal are
1639: * specified, text is printed exactly as entered in the display:
1640: * for macro lines, a newline is appended to the line. Blank
1641: * lines are allowed.
1642: */
1.60 kristaps 1643:
1.202 kristaps 1644: if (DISP_literal != n->norm->Bd.type &&
1645: DISP_unfilled != n->norm->Bd.type)
1.1 kristaps 1646: return(1);
1647:
1.129 schwarze 1648: tabwidth = p->tabwidth;
1.208 kristaps 1649: if (DISP_literal == n->norm->Bd.type)
1650: p->tabwidth = term_len(p, 8);
1651:
1.119 kristaps 1652: rm = p->rmargin;
1653: rmax = p->maxrmargin;
1.120 kristaps 1654: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1655:
1.86 kristaps 1656: for (nn = n->child; nn; nn = nn->next) {
1.245 schwarze 1657: print_mdoc_node(p, pair, meta, nn);
1.190 kristaps 1658: /*
1659: * If the printed node flushes its own line, then we
1660: * needn't do it here as well. This is hacky, but the
1661: * notion of selective eoln whitespace is pretty dumb
1662: * anyway, so don't sweat it.
1663: */
1664: switch (nn->tok) {
1.193 kristaps 1665: case (MDOC_Sm):
1666: /* FALLTHROUGH */
1.190 kristaps 1667: case (MDOC_br):
1668: /* FALLTHROUGH */
1669: case (MDOC_sp):
1670: /* FALLTHROUGH */
1671: case (MDOC_Bl):
1.196 kristaps 1672: /* FALLTHROUGH */
1673: case (MDOC_D1):
1674: /* FALLTHROUGH */
1675: case (MDOC_Dl):
1.190 kristaps 1676: /* FALLTHROUGH */
1677: case (MDOC_Lp):
1678: /* FALLTHROUGH */
1679: case (MDOC_Pp):
1680: continue;
1681: default:
1682: break;
1683: }
1.180 schwarze 1684: if (nn->next && nn->next->line == nn->line)
1685: continue;
1686: term_flushln(p);
1687: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1688: }
1.147 kristaps 1689:
1.129 schwarze 1690: p->tabwidth = tabwidth;
1.119 kristaps 1691: p->rmargin = rm;
1692: p->maxrmargin = rmax;
1.1 kristaps 1693: return(0);
1694: }
1695:
1696:
1697: /* ARGSUSED */
1698: static void
1699: termp_bd_post(DECL_ARGS)
1700: {
1.119 kristaps 1701: size_t rm, rmax;
1.1 kristaps 1702:
1.86 kristaps 1703: if (MDOC_BODY != n->type)
1.1 kristaps 1704: return;
1.118 kristaps 1705:
1.119 kristaps 1706: rm = p->rmargin;
1707: rmax = p->maxrmargin;
1.118 kristaps 1708:
1.202 kristaps 1709: if (DISP_literal == n->norm->Bd.type ||
1710: DISP_unfilled == n->norm->Bd.type)
1.120 kristaps 1711: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1712:
1.60 kristaps 1713: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1714: term_newln(p);
1.118 kristaps 1715:
1.119 kristaps 1716: p->rmargin = rm;
1717: p->maxrmargin = rmax;
1.1 kristaps 1718: }
1719:
1720:
1721: /* ARGSUSED */
1.211 kristaps 1722: static int
1723: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1724: {
1725:
1.211 kristaps 1726: if (NULL != (n = n->child)) {
1727: term_word(p, n->string);
1728: p->flags |= TERMP_NOSPACE;
1729: term_word(p, "BSD");
1730: } else {
1731: term_word(p, "BSD");
1732: return(0);
1733: }
1734:
1735: if (NULL != (n = n->next)) {
1736: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1737: term_word(p, "-");
1.1 kristaps 1738: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1739: term_word(p, n->string);
1.211 kristaps 1740: }
1741:
1742: return(0);
1.1 kristaps 1743: }
1744:
1745:
1746: /* ARGSUSED */
1747: static int
1.26 kristaps 1748: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1749: {
1.26 kristaps 1750: const char *pp;
1.218 schwarze 1751: int flags;
1.1 kristaps 1752:
1.26 kristaps 1753: pp = NULL;
1.86 kristaps 1754: switch (n->tok) {
1.26 kristaps 1755: case (MDOC_Bsx):
1.194 schwarze 1756: pp = "BSD/OS";
1.26 kristaps 1757: break;
1758: case (MDOC_Dx):
1.100 kristaps 1759: pp = "DragonFly";
1.26 kristaps 1760: break;
1761: case (MDOC_Fx):
1762: pp = "FreeBSD";
1763: break;
1764: case (MDOC_Nx):
1765: pp = "NetBSD";
1766: break;
1767: case (MDOC_Ox):
1768: pp = "OpenBSD";
1769: break;
1770: case (MDOC_Ux):
1771: pp = "UNIX";
1772: break;
1773: default:
1.246 schwarze 1774: abort();
1775: /* NOTREACHED */
1.26 kristaps 1776: }
1.1 kristaps 1777:
1.26 kristaps 1778: term_word(p, pp);
1.214 kristaps 1779: if (n->child) {
1.218 schwarze 1780: flags = p->flags;
1.214 kristaps 1781: p->flags |= TERMP_KEEP;
1782: term_word(p, n->child->string);
1.218 schwarze 1783: p->flags = flags;
1.214 kristaps 1784: }
1785: return(0);
1.1 kristaps 1786: }
1787:
1788:
1789: /* ARGSUSED */
1790: static void
1791: termp_pf_post(DECL_ARGS)
1792: {
1793:
1794: p->flags |= TERMP_NOSPACE;
1795: }
1796:
1797:
1798: /* ARGSUSED */
1799: static int
1800: termp_ss_pre(DECL_ARGS)
1801: {
1802:
1.86 kristaps 1803: switch (n->type) {
1.1 kristaps 1804: case (MDOC_BLOCK):
1805: term_newln(p);
1.86 kristaps 1806: if (n->prev)
1.1 kristaps 1807: term_vspace(p);
1808: break;
1809: case (MDOC_HEAD):
1.102 kristaps 1810: term_fontpush(p, TERMFONT_BOLD);
1.238 schwarze 1811: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1812: break;
1813: default:
1814: break;
1815: }
1816:
1817: return(1);
1818: }
1819:
1820:
1821: /* ARGSUSED */
1822: static void
1823: termp_ss_post(DECL_ARGS)
1824: {
1825:
1.86 kristaps 1826: if (MDOC_HEAD == n->type)
1.1 kristaps 1827: term_newln(p);
1828: }
1829:
1830:
1831: /* ARGSUSED */
1832: static int
1833: termp_cd_pre(DECL_ARGS)
1834: {
1835:
1.143 kristaps 1836: synopsis_pre(p, n);
1.102 kristaps 1837: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1838: return(1);
1839: }
1840:
1841:
1842: /* ARGSUSED */
1843: static int
1844: termp_in_pre(DECL_ARGS)
1845: {
1.142 schwarze 1846:
1.143 kristaps 1847: synopsis_pre(p, n);
1.1 kristaps 1848:
1.160 kristaps 1849: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138 kristaps 1850: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1851: term_word(p, "#include");
1.138 kristaps 1852: term_word(p, "<");
1853: } else {
1854: term_word(p, "<");
1855: term_fontpush(p, TERMFONT_UNDER);
1856: }
1.22 kristaps 1857:
1.1 kristaps 1858: p->flags |= TERMP_NOSPACE;
1859: return(1);
1860: }
1861:
1862:
1863: /* ARGSUSED */
1864: static void
1865: termp_in_post(DECL_ARGS)
1866: {
1867:
1.160 kristaps 1868: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1869: term_fontpush(p, TERMFONT_BOLD);
1870:
1.79 kristaps 1871: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1872: term_word(p, ">");
1873:
1.160 kristaps 1874: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1875: term_fontpop(p);
1.1 kristaps 1876: }
1877:
1878:
1879: /* ARGSUSED */
1880: static int
1.45 kristaps 1881: termp_sp_pre(DECL_ARGS)
1882: {
1.91 kristaps 1883: size_t i, len;
1.45 kristaps 1884:
1.86 kristaps 1885: switch (n->tok) {
1.76 kristaps 1886: case (MDOC_sp):
1.157 kristaps 1887: len = n->child ? a2height(p, n->child->string) : 1;
1.76 kristaps 1888: break;
1889: case (MDOC_br):
1890: len = 0;
1891: break;
1892: default:
1893: len = 1;
1894: break;
1.45 kristaps 1895: }
1896:
1897: if (0 == len)
1898: term_newln(p);
1899: for (i = 0; i < len; i++)
1900: term_vspace(p);
1901:
1902: return(0);
1903: }
1904:
1905:
1.189 kristaps 1906: /* ARGSUSED */
1.45 kristaps 1907: static int
1.188 kristaps 1908: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1909: {
1910:
1.203 kristaps 1911: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1912: return(1);
1913:
1.188 kristaps 1914: switch (n->tok) {
1915: case (MDOC_Ao):
1916: /* FALLTHROUGH */
1917: case (MDOC_Aq):
1918: term_word(p, "<");
1919: break;
1920: case (MDOC_Bro):
1921: /* FALLTHROUGH */
1922: case (MDOC_Brq):
1923: term_word(p, "{");
1924: break;
1925: case (MDOC_Oo):
1926: /* FALLTHROUGH */
1927: case (MDOC_Op):
1928: /* FALLTHROUGH */
1929: case (MDOC_Bo):
1930: /* FALLTHROUGH */
1931: case (MDOC_Bq):
1932: term_word(p, "[");
1933: break;
1934: case (MDOC_Do):
1935: /* FALLTHROUGH */
1936: case (MDOC_Dq):
1.249 schwarze 1937: term_word(p, "\\(lq");
1.188 kristaps 1938: break;
1.237 schwarze 1939: case (MDOC_Eo):
1940: break;
1.188 kristaps 1941: case (MDOC_Po):
1942: /* FALLTHROUGH */
1943: case (MDOC_Pq):
1944: term_word(p, "(");
1945: break;
1.205 kristaps 1946: case (MDOC__T):
1947: /* FALLTHROUGH */
1.188 kristaps 1948: case (MDOC_Qo):
1949: /* FALLTHROUGH */
1950: case (MDOC_Qq):
1951: term_word(p, "\"");
1952: break;
1953: case (MDOC_Ql):
1954: /* FALLTHROUGH */
1955: case (MDOC_So):
1956: /* FALLTHROUGH */
1957: case (MDOC_Sq):
1.249 schwarze 1958: term_word(p, "\\(oq");
1.188 kristaps 1959: break;
1960: default:
1961: abort();
1962: /* NOTREACHED */
1963: }
1.1 kristaps 1964:
1965: p->flags |= TERMP_NOSPACE;
1966: return(1);
1967: }
1968:
1969:
1.189 kristaps 1970: /* ARGSUSED */
1.1 kristaps 1971: static void
1.188 kristaps 1972: termp_quote_post(DECL_ARGS)
1.1 kristaps 1973: {
1974:
1.203 kristaps 1975: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1976: return;
1977:
1978: p->flags |= TERMP_NOSPACE;
1979:
1.188 kristaps 1980: switch (n->tok) {
1981: case (MDOC_Ao):
1982: /* FALLTHROUGH */
1983: case (MDOC_Aq):
1984: term_word(p, ">");
1985: break;
1986: case (MDOC_Bro):
1987: /* FALLTHROUGH */
1988: case (MDOC_Brq):
1989: term_word(p, "}");
1990: break;
1991: case (MDOC_Oo):
1992: /* FALLTHROUGH */
1993: case (MDOC_Op):
1994: /* FALLTHROUGH */
1995: case (MDOC_Bo):
1996: /* FALLTHROUGH */
1997: case (MDOC_Bq):
1998: term_word(p, "]");
1999: break;
2000: case (MDOC_Do):
2001: /* FALLTHROUGH */
2002: case (MDOC_Dq):
1.249 schwarze 2003: term_word(p, "\\(rq");
1.237 schwarze 2004: break;
2005: case (MDOC_Eo):
1.188 kristaps 2006: break;
2007: case (MDOC_Po):
2008: /* FALLTHROUGH */
2009: case (MDOC_Pq):
2010: term_word(p, ")");
2011: break;
1.205 kristaps 2012: case (MDOC__T):
2013: /* FALLTHROUGH */
1.188 kristaps 2014: case (MDOC_Qo):
2015: /* FALLTHROUGH */
2016: case (MDOC_Qq):
2017: term_word(p, "\"");
2018: break;
2019: case (MDOC_Ql):
2020: /* FALLTHROUGH */
2021: case (MDOC_So):
2022: /* FALLTHROUGH */
2023: case (MDOC_Sq):
1.249 schwarze 2024: term_word(p, "\\(cq");
1.188 kristaps 2025: break;
2026: default:
2027: abort();
2028: /* NOTREACHED */
2029: }
1.1 kristaps 2030: }
2031:
2032:
2033: /* ARGSUSED */
2034: static int
2035: termp_fo_pre(DECL_ARGS)
2036: {
1.256 ! schwarze 2037: size_t width, rmargin = 0;
! 2038: int pretty;
! 2039:
! 2040: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 2041:
1.141 kristaps 2042: if (MDOC_BLOCK == n->type) {
1.143 kristaps 2043: synopsis_pre(p, n);
1.141 kristaps 2044: return(1);
2045: } else if (MDOC_BODY == n->type) {
1.256 ! schwarze 2046: if (pretty) {
! 2047: width = term_len(p, 4);
! 2048: rmargin = p->rmargin;
! 2049: p->rmargin = p->offset + width;
! 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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