Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.157
1.157 ! schwarze 1: /* $Id: mdoc_term.c,v 1.156 2013/12/24 23:04:29 schwarze Exp $ */
1.1 kristaps 2: /*
1.122 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.152 schwarze 4: * Copyright (c) 2010, 2012, 2013 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 9: *
1.2 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 17: */
18: #include <sys/types.h>
19:
20: #include <assert.h>
21: #include <ctype.h>
1.77 schwarze 22: #include <stdint.h>
1.1 kristaps 23: #include <stdio.h>
24: #include <stdlib.h>
25: #include <string.h>
26:
1.81 schwarze 27: #include "mandoc.h"
1.61 schwarze 28: #include "out.h"
1.1 kristaps 29: #include "term.h"
30: #include "mdoc.h"
1.61 schwarze 31: #include "main.h"
1.54 schwarze 32:
1.1 kristaps 33: struct termpair {
34: struct termpair *ppair;
1.27 schwarze 35: int count;
1.1 kristaps 36: };
37:
1.29 schwarze 38: #define DECL_ARGS struct termp *p, \
39: struct termpair *pair, \
1.147 schwarze 40: const struct mdoc_meta *meta, \
1.146 schwarze 41: struct mdoc_node *n
1.1 kristaps 42:
43: struct termact {
44: int (*pre)(DECL_ARGS);
45: void (*post)(DECL_ARGS);
46: };
1.29 schwarze 47:
1.89 schwarze 48: static size_t a2width(const struct termp *, const char *);
49: static size_t a2height(const struct termp *, const char *);
50: static size_t a2offs(const struct termp *, const char *);
1.62 schwarze 51:
52: static void print_bvspace(struct termp *,
53: const struct mdoc_node *,
54: const struct mdoc_node *);
1.65 schwarze 55: static void print_mdoc_node(DECL_ARGS);
56: static void print_mdoc_nodelist(DECL_ARGS);
1.87 schwarze 57: static void print_mdoc_head(struct termp *, const void *);
58: static void print_mdoc_foot(struct termp *, const void *);
1.86 schwarze 59: static void synopsis_pre(struct termp *,
60: const struct mdoc_node *);
1.62 schwarze 61:
1.29 schwarze 62: static void termp____post(DECL_ARGS);
1.120 schwarze 63: static void termp__t_post(DECL_ARGS);
1.49 schwarze 64: static void termp_an_post(DECL_ARGS);
1.29 schwarze 65: static void termp_bd_post(DECL_ARGS);
1.90 schwarze 66: static void termp_bk_post(DECL_ARGS);
1.29 schwarze 67: static void termp_bl_post(DECL_ARGS);
1.143 schwarze 68: static void termp_fd_post(DECL_ARGS);
1.29 schwarze 69: static void termp_fo_post(DECL_ARGS);
70: static void termp_in_post(DECL_ARGS);
71: static void termp_it_post(DECL_ARGS);
72: static void termp_lb_post(DECL_ARGS);
1.94 schwarze 73: static void termp_nm_post(DECL_ARGS);
1.29 schwarze 74: static void termp_pf_post(DECL_ARGS);
1.107 schwarze 75: static void termp_quote_post(DECL_ARGS);
1.29 schwarze 76: static void termp_sh_post(DECL_ARGS);
77: static void termp_ss_post(DECL_ARGS);
78:
1.104 schwarze 79: static int termp__a_pre(DECL_ARGS);
1.120 schwarze 80: static int termp__t_pre(DECL_ARGS);
1.49 schwarze 81: static int termp_an_pre(DECL_ARGS);
1.29 schwarze 82: static int termp_ap_pre(DECL_ARGS);
83: static int termp_bd_pre(DECL_ARGS);
84: static int termp_bf_pre(DECL_ARGS);
1.90 schwarze 85: static int termp_bk_pre(DECL_ARGS);
1.73 schwarze 86: static int termp_bl_pre(DECL_ARGS);
1.54 schwarze 87: static int termp_bold_pre(DECL_ARGS);
1.29 schwarze 88: static int termp_bt_pre(DECL_ARGS);
1.126 schwarze 89: static int termp_bx_pre(DECL_ARGS);
1.29 schwarze 90: static int termp_cd_pre(DECL_ARGS);
91: static int termp_d1_pre(DECL_ARGS);
92: static int termp_ex_pre(DECL_ARGS);
93: static int termp_fa_pre(DECL_ARGS);
1.107 schwarze 94: static int termp_fd_pre(DECL_ARGS);
1.29 schwarze 95: static int termp_fl_pre(DECL_ARGS);
96: static int termp_fn_pre(DECL_ARGS);
97: static int termp_fo_pre(DECL_ARGS);
98: static int termp_ft_pre(DECL_ARGS);
99: static int termp_in_pre(DECL_ARGS);
100: static int termp_it_pre(DECL_ARGS);
1.65 schwarze 101: static int termp_li_pre(DECL_ARGS);
1.29 schwarze 102: static int termp_lk_pre(DECL_ARGS);
103: static int termp_nd_pre(DECL_ARGS);
104: static int termp_nm_pre(DECL_ARGS);
105: static int termp_ns_pre(DECL_ARGS);
1.107 schwarze 106: static int termp_quote_pre(DECL_ARGS);
1.29 schwarze 107: static int termp_rs_pre(DECL_ARGS);
108: static int termp_rv_pre(DECL_ARGS);
109: static int termp_sh_pre(DECL_ARGS);
110: static int termp_sm_pre(DECL_ARGS);
1.38 schwarze 111: static int termp_sp_pre(DECL_ARGS);
1.29 schwarze 112: static int termp_ss_pre(DECL_ARGS);
1.54 schwarze 113: static int termp_under_pre(DECL_ARGS);
1.29 schwarze 114: static int termp_ud_pre(DECL_ARGS);
1.69 schwarze 115: static int termp_vt_pre(DECL_ARGS);
1.29 schwarze 116: static int termp_xr_pre(DECL_ARGS);
117: static int termp_xx_pre(DECL_ARGS);
1.1 kristaps 118:
1.54 schwarze 119: static const struct termact termacts[MDOC_MAX] = {
1.11 schwarze 120: { termp_ap_pre, NULL }, /* Ap */
1.1 kristaps 121: { NULL, NULL }, /* Dd */
122: { NULL, NULL }, /* Dt */
123: { NULL, NULL }, /* Os */
124: { termp_sh_pre, termp_sh_post }, /* Sh */
125: { termp_ss_pre, termp_ss_post }, /* Ss */
1.54 schwarze 126: { termp_sp_pre, NULL }, /* Pp */
1.143 schwarze 127: { termp_d1_pre, termp_bl_post }, /* D1 */
128: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 129: { termp_bd_pre, termp_bd_post }, /* Bd */
130: { NULL, NULL }, /* Ed */
1.73 schwarze 131: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 132: { NULL, NULL }, /* El */
133: { termp_it_pre, termp_it_post }, /* It */
1.99 schwarze 134: { termp_under_pre, NULL }, /* Ad */
1.49 schwarze 135: { termp_an_pre, termp_an_post }, /* An */
1.54 schwarze 136: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 137: { termp_cd_pre, NULL }, /* Cd */
1.54 schwarze 138: { termp_bold_pre, NULL }, /* Cm */
1.1 kristaps 139: { NULL, NULL }, /* Dv */
140: { NULL, NULL }, /* Er */
141: { NULL, NULL }, /* Ev */
142: { termp_ex_pre, NULL }, /* Ex */
143: { termp_fa_pre, NULL }, /* Fa */
1.143 schwarze 144: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 145: { termp_fl_pre, NULL }, /* Fl */
1.86 schwarze 146: { termp_fn_pre, NULL }, /* Fn */
1.85 schwarze 147: { termp_ft_pre, NULL }, /* Ft */
1.54 schwarze 148: { termp_bold_pre, NULL }, /* Ic */
1.1 kristaps 149: { termp_in_pre, termp_in_post }, /* In */
1.65 schwarze 150: { termp_li_pre, NULL }, /* Li */
1.1 kristaps 151: { termp_nd_pre, NULL }, /* Nd */
1.94 schwarze 152: { termp_nm_pre, termp_nm_post }, /* Nm */
1.107 schwarze 153: { termp_quote_pre, termp_quote_post }, /* Op */
1.1 kristaps 154: { NULL, NULL }, /* Ot */
1.54 schwarze 155: { termp_under_pre, NULL }, /* Pa */
1.1 kristaps 156: { termp_rv_pre, NULL }, /* Rv */
1.32 schwarze 157: { NULL, NULL }, /* St */
1.54 schwarze 158: { termp_under_pre, NULL }, /* Va */
1.86 schwarze 159: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 160: { termp_xr_pre, NULL }, /* Xr */
1.104 schwarze 161: { termp__a_pre, termp____post }, /* %A */
1.58 schwarze 162: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 163: { NULL, termp____post }, /* %D */
1.58 schwarze 164: { termp_under_pre, termp____post }, /* %I */
1.54 schwarze 165: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 166: { NULL, termp____post }, /* %N */
167: { NULL, termp____post }, /* %O */
168: { NULL, termp____post }, /* %P */
169: { NULL, termp____post }, /* %R */
1.120 schwarze 170: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 171: { NULL, termp____post }, /* %V */
172: { NULL, NULL }, /* Ac */
1.107 schwarze 173: { termp_quote_pre, termp_quote_post }, /* Ao */
174: { termp_quote_pre, termp_quote_post }, /* Aq */
1.32 schwarze 175: { NULL, NULL }, /* At */
1.1 kristaps 176: { NULL, NULL }, /* Bc */
177: { termp_bf_pre, NULL }, /* Bf */
1.107 schwarze 178: { termp_quote_pre, termp_quote_post }, /* Bo */
179: { termp_quote_pre, termp_quote_post }, /* Bq */
1.26 schwarze 180: { termp_xx_pre, NULL }, /* Bsx */
1.126 schwarze 181: { termp_bx_pre, NULL }, /* Bx */
1.1 kristaps 182: { NULL, NULL }, /* Db */
183: { NULL, NULL }, /* Dc */
1.107 schwarze 184: { termp_quote_pre, termp_quote_post }, /* Do */
185: { termp_quote_pre, termp_quote_post }, /* Dq */
1.73 schwarze 186: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 187: { NULL, NULL }, /* Ef */
1.54 schwarze 188: { termp_under_pre, NULL }, /* Em */
1.139 schwarze 189: { termp_quote_pre, termp_quote_post }, /* Eo */
1.26 schwarze 190: { termp_xx_pre, NULL }, /* Fx */
1.98 schwarze 191: { termp_bold_pre, NULL }, /* Ms */
1.156 schwarze 192: { NULL, NULL }, /* No */
1.1 kristaps 193: { termp_ns_pre, NULL }, /* Ns */
1.26 schwarze 194: { termp_xx_pre, NULL }, /* Nx */
195: { termp_xx_pre, NULL }, /* Ox */
1.1 kristaps 196: { NULL, NULL }, /* Pc */
1.156 schwarze 197: { NULL, termp_pf_post }, /* Pf */
1.107 schwarze 198: { termp_quote_pre, termp_quote_post }, /* Po */
199: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 200: { NULL, NULL }, /* Qc */
1.107 schwarze 201: { termp_quote_pre, termp_quote_post }, /* Ql */
202: { termp_quote_pre, termp_quote_post }, /* Qo */
203: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 204: { NULL, NULL }, /* Re */
205: { termp_rs_pre, NULL }, /* Rs */
206: { NULL, NULL }, /* Sc */
1.107 schwarze 207: { termp_quote_pre, termp_quote_post }, /* So */
208: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 209: { termp_sm_pre, NULL }, /* Sm */
1.54 schwarze 210: { termp_under_pre, NULL }, /* Sx */
211: { termp_bold_pre, NULL }, /* Sy */
1.1 kristaps 212: { NULL, NULL }, /* Tn */
1.26 schwarze 213: { termp_xx_pre, NULL }, /* Ux */
1.1 kristaps 214: { NULL, NULL }, /* Xc */
215: { NULL, NULL }, /* Xo */
216: { termp_fo_pre, termp_fo_post }, /* Fo */
217: { NULL, NULL }, /* Fc */
1.107 schwarze 218: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 219: { NULL, NULL }, /* Oc */
1.90 schwarze 220: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 221: { NULL, NULL }, /* Ek */
222: { termp_bt_pre, NULL }, /* Bt */
223: { NULL, NULL }, /* Hf */
224: { NULL, NULL }, /* Fr */
225: { termp_ud_pre, NULL }, /* Ud */
1.32 schwarze 226: { NULL, termp_lb_post }, /* Lb */
1.54 schwarze 227: { termp_sp_pre, NULL }, /* Lp */
1.1 kristaps 228: { termp_lk_pre, NULL }, /* Lk */
1.54 schwarze 229: { termp_under_pre, NULL }, /* Mt */
1.107 schwarze 230: { termp_quote_pre, termp_quote_post }, /* Brq */
231: { termp_quote_pre, termp_quote_post }, /* Bro */
1.1 kristaps 232: { NULL, NULL }, /* Brc */
1.58 schwarze 233: { NULL, termp____post }, /* %C */
234: { NULL, NULL }, /* Es */ /* TODO */
235: { NULL, NULL }, /* En */ /* TODO */
1.26 schwarze 236: { termp_xx_pre, NULL }, /* Dx */
1.58 schwarze 237: { NULL, termp____post }, /* %Q */
1.54 schwarze 238: { termp_sp_pre, NULL }, /* br */
1.38 schwarze 239: { termp_sp_pre, NULL }, /* sp */
1.145 schwarze 240: { NULL, termp____post }, /* %U */
1.85 schwarze 241: { NULL, NULL }, /* Ta */
1.1 kristaps 242: };
243:
244:
1.55 schwarze 245: void
1.61 schwarze 246: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1 kristaps 247: {
1.55 schwarze 248: const struct mdoc_node *n;
1.147 schwarze 249: const struct mdoc_meta *meta;
1.61 schwarze 250: struct termp *p;
251:
252: p = (struct termp *)arg;
1.71 schwarze 253:
1.140 schwarze 254: if (0 == p->defindent)
255: p->defindent = 5;
256:
1.71 schwarze 257: p->overstep = 0;
1.80 schwarze 258: p->maxrmargin = p->defrmargin;
1.89 schwarze 259: p->tabwidth = term_len(p, 5);
1.61 schwarze 260:
261: if (NULL == p->symtab)
1.133 schwarze 262: p->symtab = mchars_alloc();
1.55 schwarze 263:
264: n = mdoc_node(mdoc);
1.147 schwarze 265: meta = mdoc_meta(mdoc);
1.55 schwarze 266:
1.147 schwarze 267: term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
1.87 schwarze 268:
1.55 schwarze 269: if (n->child)
1.147 schwarze 270: print_mdoc_nodelist(p, NULL, meta, n->child);
1.87 schwarze 271:
272: term_end(p);
1.1 kristaps 273: }
274:
275:
276: static void
1.65 schwarze 277: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 278: {
279:
1.147 schwarze 280: print_mdoc_node(p, pair, meta, n);
1.60 schwarze 281: if (n->next)
1.147 schwarze 282: print_mdoc_nodelist(p, pair, meta, n->next);
1.1 kristaps 283: }
284:
285:
1.54 schwarze 286: /* ARGSUSED */
1.1 kristaps 287: static void
1.65 schwarze 288: print_mdoc_node(DECL_ARGS)
1.1 kristaps 289: {
1.65 schwarze 290: int chld;
1.1 kristaps 291: struct termpair npair;
1.28 schwarze 292: size_t offset, rmargin;
1.1 kristaps 293:
1.54 schwarze 294: chld = 1;
1.28 schwarze 295: offset = p->offset;
296: rmargin = p->rmargin;
1.146 schwarze 297: n->prev_font = term_fontq(p);
1.1 kristaps 298:
1.63 schwarze 299: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 300: npair.ppair = pair;
1.65 schwarze 301:
1.95 schwarze 302: /*
303: * Keeps only work until the end of a line. If a keep was
304: * invoked in a prior line, revert it to PREKEEP.
305: */
306:
1.155 schwarze 307: if (TERMP_KEEP & p->flags) {
1.154 schwarze 308: if (n->prev ? (n->prev->lastline != n->line) :
1.150 schwarze 309: (n->parent && n->parent->line != n->line)) {
1.95 schwarze 310: p->flags &= ~TERMP_KEEP;
311: p->flags |= TERMP_PREKEEP;
312: }
313: }
1.116 schwarze 314:
315: /*
1.128 schwarze 316: * After the keep flags have been set up, we may now
317: * produce output. Note that some pre-handlers do so.
318: */
319:
320: switch (n->type) {
321: case (MDOC_TEXT):
322: if (' ' == *n->string && MDOC_LINE & n->flags)
323: term_newln(p);
1.132 schwarze 324: if (MDOC_DELIMC & n->flags)
325: p->flags |= TERMP_NOSPACE;
1.128 schwarze 326: term_word(p, n->string);
1.132 schwarze 327: if (MDOC_DELIMO & n->flags)
328: p->flags |= TERMP_NOSPACE;
1.128 schwarze 329: break;
1.131 schwarze 330: case (MDOC_EQN):
1.135 schwarze 331: term_eqn(p, n->eqn);
1.131 schwarze 332: break;
1.128 schwarze 333: case (MDOC_TBL):
334: term_tbl(p, n->span);
335: break;
336: default:
337: if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
338: chld = (*termacts[n->tok].pre)
1.147 schwarze 339: (p, &npair, meta, n);
1.128 schwarze 340: break;
341: }
1.95 schwarze 342:
1.60 schwarze 343: if (chld && n->child)
1.147 schwarze 344: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 345:
1.146 schwarze 346: term_fontpopq(p,
347: (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.1 kristaps 348:
1.122 schwarze 349: switch (n->type) {
350: case (MDOC_TEXT):
351: break;
352: case (MDOC_TBL):
1.131 schwarze 353: break;
354: case (MDOC_EQN):
1.122 schwarze 355: break;
356: default:
357: if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
358: break;
1.147 schwarze 359: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.93 schwarze 360:
361: /*
362: * Explicit end tokens not only call the post
363: * handler, but also tell the respective block
364: * that it must not call the post handler again.
365: */
1.95 schwarze 366: if (ENDBODY_NOT != n->end)
1.93 schwarze 367: n->pending->flags |= MDOC_ENDED;
368:
369: /*
370: * End of line terminating an implicit block
371: * while an explicit block is still open.
372: * Continue the explicit block without spacing.
373: */
374: if (ENDBODY_NOSPACE == n->end)
375: p->flags |= TERMP_NOSPACE;
1.122 schwarze 376: break;
1.93 schwarze 377: }
1.28 schwarze 378:
1.78 schwarze 379: if (MDOC_EOS & n->flags)
380: p->flags |= TERMP_SENTENCE;
381:
1.28 schwarze 382: p->offset = offset;
383: p->rmargin = rmargin;
1.1 kristaps 384: }
385:
386:
387: static void
1.87 schwarze 388: print_mdoc_foot(struct termp *p, const void *arg)
1.1 kristaps 389: {
1.147 schwarze 390: const struct mdoc_meta *meta;
1.87 schwarze 391:
1.147 schwarze 392: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 393:
1.65 schwarze 394: term_fontrepl(p, TERMFONT_NONE);
395:
1.7 schwarze 396: /*
397: * Output the footer in new-groff style, that is, three columns
398: * with the middle being the manual date and flanking columns
399: * being the operating system:
400: *
401: * SYSTEM DATE SYSTEM
402: */
403:
1.1 kristaps 404: term_vspace(p);
405:
1.7 schwarze 406: p->offset = 0;
1.89 schwarze 407: p->rmargin = (p->maxrmargin -
1.147 schwarze 408: term_strlen(p, meta->date) + term_len(p, 1)) / 2;
1.152 schwarze 409: p->trailspace = 1;
1.1 kristaps 410: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
411:
1.147 schwarze 412: term_word(p, meta->os);
1.1 kristaps 413: term_flushln(p);
414:
1.7 schwarze 415: p->offset = p->rmargin;
1.147 schwarze 416: p->rmargin = p->maxrmargin - term_strlen(p, meta->os);
1.136 schwarze 417: p->flags |= TERMP_NOSPACE;
1.7 schwarze 418:
1.147 schwarze 419: term_word(p, meta->date);
1.7 schwarze 420: term_flushln(p);
421:
1.1 kristaps 422: p->offset = p->rmargin;
423: p->rmargin = p->maxrmargin;
1.152 schwarze 424: p->trailspace = 0;
1.1 kristaps 425: p->flags &= ~TERMP_NOBREAK;
1.136 schwarze 426: p->flags |= TERMP_NOSPACE;
1.1 kristaps 427:
1.147 schwarze 428: term_word(p, meta->os);
1.1 kristaps 429: term_flushln(p);
1.7 schwarze 430:
431: p->offset = 0;
432: p->rmargin = p->maxrmargin;
433: p->flags = 0;
1.1 kristaps 434: }
435:
436:
437: static void
1.87 schwarze 438: print_mdoc_head(struct termp *p, const void *arg)
1.1 kristaps 439: {
1.63 schwarze 440: char buf[BUFSIZ], title[BUFSIZ];
1.137 schwarze 441: size_t buflen, titlen;
1.147 schwarze 442: const struct mdoc_meta *meta;
1.87 schwarze 443:
1.147 schwarze 444: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 445:
446: /*
447: * The header is strange. It has three components, which are
448: * really two with the first duplicated. It goes like this:
449: *
450: * IDENTIFIER TITLE IDENTIFIER
451: *
452: * The IDENTIFIER is NAME(SECTION), which is the command-name
453: * (if given, or "unknown" if not) followed by the manual page
454: * section. These are given in `Dt'. The TITLE is a free-form
455: * string depending on the manual volume. If not specified, it
456: * switches on the manual section.
457: */
458:
1.137 schwarze 459: p->offset = 0;
460: p->rmargin = p->maxrmargin;
461:
1.147 schwarze 462: assert(meta->vol);
463: strlcpy(buf, meta->vol, BUFSIZ);
1.137 schwarze 464: buflen = term_strlen(p, buf);
1.1 kristaps 465:
1.147 schwarze 466: if (meta->arch) {
1.63 schwarze 467: strlcat(buf, " (", BUFSIZ);
1.147 schwarze 468: strlcat(buf, meta->arch, BUFSIZ);
1.63 schwarze 469: strlcat(buf, ")", BUFSIZ);
1.1 kristaps 470: }
471:
1.147 schwarze 472: snprintf(title, BUFSIZ, "%s(%s)", meta->title, meta->msec);
1.137 schwarze 473: titlen = term_strlen(p, title);
1.1 kristaps 474:
1.137 schwarze 475: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.152 schwarze 476: p->trailspace = 1;
1.1 kristaps 477: p->offset = 0;
1.137 schwarze 478: p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
479: (p->maxrmargin -
480: term_strlen(p, buf) + term_len(p, 1)) / 2 :
481: p->maxrmargin - buflen;
1.1 kristaps 482:
483: term_word(p, title);
484: term_flushln(p);
485:
1.137 schwarze 486: p->flags |= TERMP_NOSPACE;
1.1 kristaps 487: p->offset = p->rmargin;
1.137 schwarze 488: p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
489: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 490:
491: term_word(p, buf);
492: term_flushln(p);
493:
494: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 495: p->trailspace = 0;
1.137 schwarze 496: if (p->rmargin + titlen <= p->maxrmargin) {
497: p->flags |= TERMP_NOSPACE;
498: p->offset = p->rmargin;
499: p->rmargin = p->maxrmargin;
500: term_word(p, title);
501: term_flushln(p);
502: }
1.1 kristaps 503:
1.137 schwarze 504: p->flags &= ~TERMP_NOSPACE;
1.8 schwarze 505: p->offset = 0;
1.1 kristaps 506: p->rmargin = p->maxrmargin;
507: }
508:
509:
510: static size_t
1.89 schwarze 511: a2height(const struct termp *p, const char *v)
1.1 kristaps 512: {
1.61 schwarze 513: struct roffsu su;
1.1 kristaps 514:
1.134 schwarze 515:
1.89 schwarze 516: assert(v);
517: if ( ! a2roffsu(v, &su, SCALE_VS))
1.134 schwarze 518: SCALE_VS_INIT(&su, atoi(v));
1.1 kristaps 519:
1.89 schwarze 520: return(term_vspan(p, &su));
1.61 schwarze 521: }
1.34 schwarze 522:
1.1 kristaps 523:
1.61 schwarze 524: static size_t
1.89 schwarze 525: a2width(const struct termp *p, const char *v)
1.61 schwarze 526: {
527: struct roffsu su;
1.1 kristaps 528:
1.88 schwarze 529: assert(v);
530: if ( ! a2roffsu(v, &su, SCALE_MAX))
1.89 schwarze 531: SCALE_HS_INIT(&su, term_strlen(p, v));
1.1 kristaps 532:
1.89 schwarze 533: return(term_hspan(p, &su));
1.1 kristaps 534: }
535:
536:
537: static size_t
1.89 schwarze 538: a2offs(const struct termp *p, const char *v)
1.1 kristaps 539: {
1.61 schwarze 540: struct roffsu su;
1.1 kristaps 541:
1.88 schwarze 542: if ('\0' == *v)
1.61 schwarze 543: return(0);
1.88 schwarze 544: else if (0 == strcmp(v, "left"))
1.9 schwarze 545: return(0);
1.88 schwarze 546: else if (0 == strcmp(v, "indent"))
1.140 schwarze 547: return(term_len(p, p->defindent + 1));
1.88 schwarze 548: else if (0 == strcmp(v, "indent-two"))
1.140 schwarze 549: return(term_len(p, (p->defindent + 1) * 2));
1.88 schwarze 550: else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.89 schwarze 551: SCALE_HS_INIT(&su, term_strlen(p, v));
1.10 schwarze 552:
1.89 schwarze 553: return(term_hspan(p, &su));
1.1 kristaps 554: }
555:
556:
1.68 schwarze 557: /*
558: * Determine how much space to print out before block elements of `It'
559: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
560: * too.
561: */
1.45 schwarze 562: static void
1.61 schwarze 563: print_bvspace(struct termp *p,
1.1 kristaps 564: const struct mdoc_node *bl,
1.60 schwarze 565: const struct mdoc_node *n)
1.1 kristaps 566: {
1.60 schwarze 567: const struct mdoc_node *nn;
1.138 schwarze 568:
569: assert(n);
1.1 kristaps 570:
571: term_newln(p);
1.88 schwarze 572:
1.121 schwarze 573: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.88 schwarze 574: return;
1.121 schwarze 575: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.45 schwarze 576: return;
577:
1.60 schwarze 578: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 579:
1.60 schwarze 580: for (nn = n; nn; nn = nn->parent) {
581: if (MDOC_BLOCK != nn->type)
1.1 kristaps 582: continue;
1.60 schwarze 583: if (MDOC_Ss == nn->tok)
1.45 schwarze 584: return;
1.60 schwarze 585: if (MDOC_Sh == nn->tok)
1.45 schwarze 586: return;
1.60 schwarze 587: if (NULL == nn->prev)
1.1 kristaps 588: continue;
589: break;
590: }
591:
1.60 schwarze 592: /* A `-column' does not assert vspace within the list. */
1.45 schwarze 593:
1.121 schwarze 594: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.60 schwarze 595: if (n->prev && MDOC_It == n->prev->tok)
1.45 schwarze 596: return;
597:
1.60 schwarze 598: /* A `-diag' without body does not vspace. */
599:
1.121 schwarze 600: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.60 schwarze 601: if (n->prev && MDOC_It == n->prev->tok) {
602: assert(n->prev->body);
603: if (NULL == n->prev->body->child)
1.45 schwarze 604: return;
605: }
606:
607: term_vspace(p);
1.1 kristaps 608: }
609:
610:
611: /* ARGSUSED */
612: static int
613: termp_it_pre(DECL_ARGS)
614: {
1.60 schwarze 615: const struct mdoc_node *bl, *nn;
1.1 kristaps 616: char buf[7];
1.95 schwarze 617: int i;
1.68 schwarze 618: size_t width, offset, ncols, dcol;
1.82 schwarze 619: enum mdoc_list type;
1.1 kristaps 620:
1.60 schwarze 621: if (MDOC_BLOCK == n->type) {
1.61 schwarze 622: print_bvspace(p, n->parent->parent, n);
1.45 schwarze 623: return(1);
624: }
1.1 kristaps 625:
1.60 schwarze 626: bl = n->parent->parent->parent;
1.121 schwarze 627: type = bl->norm->Bl.type;
1.1 kristaps 628:
1.68 schwarze 629: /*
630: * First calculate width and offset. This is pretty easy unless
631: * we're a -column list, in which case all prior columns must
632: * be accounted for.
633: */
634:
635: width = offset = 0;
636:
1.121 schwarze 637: if (bl->norm->Bl.offs)
638: offset = a2offs(p, bl->norm->Bl.offs);
1.66 schwarze 639:
1.1 kristaps 640: switch (type) {
1.82 schwarze 641: case (LIST_column):
1.85 schwarze 642: if (MDOC_HEAD == n->type)
1.1 kristaps 643: break;
1.88 schwarze 644:
1.66 schwarze 645: /*
1.68 schwarze 646: * Imitate groff's column handling:
647: * - For each earlier column, add its width.
648: * - For less than 5 columns, add four more blanks per
649: * column.
650: * - For exactly 5 columns, add three more blank per
651: * column.
652: * - For more than 5 columns, add only one column.
1.66 schwarze 653: */
1.121 schwarze 654: ncols = bl->norm->Bl.ncols;
1.95 schwarze 655:
1.68 schwarze 656: /* LINTED */
1.89 schwarze 657: dcol = ncols < 5 ? term_len(p, 4) :
658: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68 schwarze 659:
1.85 schwarze 660: /*
661: * Calculate the offset by applying all prior MDOC_BODY,
662: * so we stop at the MDOC_HEAD (NULL == nn->prev).
663: */
664:
1.68 schwarze 665: for (i = 0, nn = n->prev;
1.85 schwarze 666: nn->prev && i < (int)ncols;
1.68 schwarze 667: nn = nn->prev, i++)
668: offset += dcol + a2width
1.121 schwarze 669: (p, bl->norm->Bl.cols[i]);
1.66 schwarze 670:
671: /*
1.68 schwarze 672: * When exceeding the declared number of columns, leave
673: * the remaining widths at 0. This will later be
674: * adjusted to the default width of 10, or, for the last
675: * column, stretched to the right margin.
1.46 schwarze 676: */
1.68 schwarze 677: if (i >= (int)ncols)
678: break;
1.46 schwarze 679:
1.66 schwarze 680: /*
1.68 schwarze 681: * Use the declared column widths, extended as explained
682: * in the preceding paragraph.
1.66 schwarze 683: */
1.121 schwarze 684: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 685: break;
686: default:
1.121 schwarze 687: if (NULL == bl->norm->Bl.width)
1.68 schwarze 688: break;
689:
690: /*
691: * Note: buffer the width by 2, which is groff's magic
692: * number for buffering single arguments. See the above
693: * handling for column for how this changes.
694: */
1.121 schwarze 695: assert(bl->norm->Bl.width);
696: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1 kristaps 697: break;
698: }
699:
700: /*
701: * List-type can override the width in the case of fixed-head
702: * values (bullet, dash/hyphen, enum). Tags need a non-zero
1.53 schwarze 703: * offset.
1.1 kristaps 704: */
705:
706: switch (type) {
1.82 schwarze 707: case (LIST_bullet):
1.1 kristaps 708: /* FALLTHROUGH */
1.82 schwarze 709: case (LIST_dash):
1.1 kristaps 710: /* FALLTHROUGH */
1.82 schwarze 711: case (LIST_hyphen):
1.144 schwarze 712: /* FALLTHROUGH */
1.82 schwarze 713: case (LIST_enum):
1.144 schwarze 714: if (width < term_len(p, 2))
715: width = term_len(p, 2);
1.1 kristaps 716: break;
1.82 schwarze 717: case (LIST_hang):
1.33 schwarze 718: if (0 == width)
1.89 schwarze 719: width = term_len(p, 8);
1.33 schwarze 720: break;
1.82 schwarze 721: case (LIST_column):
1.41 schwarze 722: /* FALLTHROUGH */
1.82 schwarze 723: case (LIST_tag):
1.1 kristaps 724: if (0 == width)
1.89 schwarze 725: width = term_len(p, 10);
1.1 kristaps 726: break;
727: default:
728: break;
729: }
730:
731: /*
1.16 schwarze 732: * Whitespace control. Inset bodies need an initial space,
733: * while diagonal bodies need two.
1.1 kristaps 734: */
735:
1.42 schwarze 736: p->flags |= TERMP_NOSPACE;
737:
1.1 kristaps 738: switch (type) {
1.82 schwarze 739: case (LIST_diag):
1.60 schwarze 740: if (MDOC_BODY == n->type)
1.48 schwarze 741: term_word(p, "\\ \\ ");
1.42 schwarze 742: break;
1.82 schwarze 743: case (LIST_inset):
1.60 schwarze 744: if (MDOC_BODY == n->type)
1.42 schwarze 745: term_word(p, "\\ ");
1.1 kristaps 746: break;
747: default:
748: break;
749: }
750:
1.42 schwarze 751: p->flags |= TERMP_NOSPACE;
752:
1.1 kristaps 753: switch (type) {
1.82 schwarze 754: case (LIST_diag):
1.60 schwarze 755: if (MDOC_HEAD == n->type)
1.65 schwarze 756: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 757: break;
758: default:
759: break;
760: }
761:
762: /*
1.68 schwarze 763: * Pad and break control. This is the tricky part. These flags
764: * are documented in term_flushln() in term.c. Note that we're
765: * going to unset all of these flags in termp_it_post() when we
766: * exit.
1.1 kristaps 767: */
768:
769: switch (type) {
1.144 schwarze 770: case (LIST_enum):
771: /*
772: * Weird special case.
773: * Very narrow enum lists actually hang.
774: */
775: if (width == term_len(p, 2))
776: p->flags |= TERMP_HANG;
777: /* FALLTHROUGH */
1.82 schwarze 778: case (LIST_bullet):
1.1 kristaps 779: /* FALLTHROUGH */
1.82 schwarze 780: case (LIST_dash):
1.1 kristaps 781: /* FALLTHROUGH */
1.82 schwarze 782: case (LIST_hyphen):
1.152 schwarze 783: if (MDOC_HEAD != n->type)
784: break;
785: p->flags |= TERMP_NOBREAK;
786: p->trailspace = 1;
1.33 schwarze 787: break;
1.82 schwarze 788: case (LIST_hang):
1.152 schwarze 789: if (MDOC_HEAD != n->type)
1.47 schwarze 790: break;
791:
792: /*
793: * This is ugly. If `-hang' is specified and the body
794: * is a `Bl' or `Bd', then we want basically to nullify
795: * the "overstep" effect in term_flushln() and treat
796: * this as a `-ohang' list instead.
797: */
1.60 schwarze 798: if (n->next->child &&
799: (MDOC_Bl == n->next->child->tok ||
1.136 schwarze 800: MDOC_Bd == n->next->child->tok))
1.152 schwarze 801: break;
802:
803: p->flags |= TERMP_NOBREAK | TERMP_HANG;
804: p->trailspace = 1;
1.33 schwarze 805: break;
1.82 schwarze 806: case (LIST_tag):
1.60 schwarze 807: if (MDOC_HEAD != n->type)
1.33 schwarze 808: break;
1.152 schwarze 809:
810: p->flags |= TERMP_NOBREAK;
811: p->trailspace = 2;
812:
1.60 schwarze 813: if (NULL == n->next || NULL == n->next->child)
1.33 schwarze 814: p->flags |= TERMP_DANGLE;
1.1 kristaps 815: break;
1.82 schwarze 816: case (LIST_column):
1.85 schwarze 817: if (MDOC_HEAD == n->type)
818: break;
819:
1.152 schwarze 820: if (NULL == n->next) {
1.85 schwarze 821: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 822: p->trailspace = 0;
823: } else {
1.85 schwarze 824: p->flags |= TERMP_NOBREAK;
1.152 schwarze 825: p->trailspace = 1;
826: }
1.85 schwarze 827:
1.1 kristaps 828: break;
1.82 schwarze 829: case (LIST_diag):
1.152 schwarze 830: if (MDOC_HEAD != n->type)
831: break;
832: p->flags |= TERMP_NOBREAK;
833: p->trailspace = 1;
1.1 kristaps 834: break;
835: default:
836: break;
837: }
838:
839: /*
840: * Margin control. Set-head-width lists have their right
841: * margins shortened. The body for these lists has the offset
842: * necessarily lengthened. Everybody gets the offset.
843: */
844:
845: p->offset += offset;
846:
847: switch (type) {
1.82 schwarze 848: case (LIST_hang):
1.47 schwarze 849: /*
850: * Same stipulation as above, regarding `-hang'. We
851: * don't want to recalculate rmargin and offsets when
852: * using `Bd' or `Bl' within `-hang' overstep lists.
853: */
1.60 schwarze 854: if (MDOC_HEAD == n->type && n->next->child &&
855: (MDOC_Bl == n->next->child->tok ||
856: MDOC_Bd == n->next->child->tok))
1.47 schwarze 857: break;
858: /* FALLTHROUGH */
1.82 schwarze 859: case (LIST_bullet):
1.1 kristaps 860: /* FALLTHROUGH */
1.82 schwarze 861: case (LIST_dash):
1.1 kristaps 862: /* FALLTHROUGH */
1.82 schwarze 863: case (LIST_enum):
1.1 kristaps 864: /* FALLTHROUGH */
1.82 schwarze 865: case (LIST_hyphen):
1.33 schwarze 866: /* FALLTHROUGH */
1.82 schwarze 867: case (LIST_tag):
1.41 schwarze 868: assert(width);
1.60 schwarze 869: if (MDOC_HEAD == n->type)
1.1 kristaps 870: p->rmargin = p->offset + width;
871: else
872: p->offset += width;
873: break;
1.82 schwarze 874: case (LIST_column):
1.41 schwarze 875: assert(width);
1.1 kristaps 876: p->rmargin = p->offset + width;
1.43 schwarze 877: /*
878: * XXX - this behaviour is not documented: the
879: * right-most column is filled to the right margin.
880: */
1.85 schwarze 881: if (MDOC_HEAD == n->type)
882: break;
883: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43 schwarze 884: p->rmargin = p->maxrmargin;
1.1 kristaps 885: break;
886: default:
887: break;
888: }
889:
890: /*
891: * The dash, hyphen, bullet and enum lists all have a special
1.12 schwarze 892: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 893: */
894:
1.60 schwarze 895: if (MDOC_HEAD == n->type)
1.1 kristaps 896: switch (type) {
1.82 schwarze 897: case (LIST_bullet):
1.65 schwarze 898: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 899: term_word(p, "\\[bu]");
1.65 schwarze 900: term_fontpop(p);
1.1 kristaps 901: break;
1.82 schwarze 902: case (LIST_dash):
1.1 kristaps 903: /* FALLTHROUGH */
1.82 schwarze 904: case (LIST_hyphen):
1.65 schwarze 905: term_fontpush(p, TERMFONT_BOLD);
1.35 schwarze 906: term_word(p, "\\(hy");
1.65 schwarze 907: term_fontpop(p);
1.1 kristaps 908: break;
1.82 schwarze 909: case (LIST_enum):
1.1 kristaps 910: (pair->ppair->ppair->count)++;
1.68 schwarze 911: snprintf(buf, sizeof(buf), "%d.",
1.1 kristaps 912: pair->ppair->ppair->count);
913: term_word(p, buf);
914: break;
915: default:
916: break;
917: }
1.12 schwarze 918:
1.1 kristaps 919: /*
920: * If we're not going to process our children, indicate so here.
921: */
922:
923: switch (type) {
1.82 schwarze 924: case (LIST_bullet):
1.1 kristaps 925: /* FALLTHROUGH */
1.82 schwarze 926: case (LIST_item):
1.1 kristaps 927: /* FALLTHROUGH */
1.82 schwarze 928: case (LIST_dash):
1.1 kristaps 929: /* FALLTHROUGH */
1.82 schwarze 930: case (LIST_hyphen):
1.1 kristaps 931: /* FALLTHROUGH */
1.82 schwarze 932: case (LIST_enum):
1.60 schwarze 933: if (MDOC_HEAD == n->type)
1.1 kristaps 934: return(0);
935: break;
1.82 schwarze 936: case (LIST_column):
1.85 schwarze 937: if (MDOC_HEAD == n->type)
1.1 kristaps 938: return(0);
939: break;
940: default:
941: break;
942: }
943:
944: return(1);
945: }
946:
947:
948: /* ARGSUSED */
949: static void
950: termp_it_post(DECL_ARGS)
951: {
1.82 schwarze 952: enum mdoc_list type;
1.1 kristaps 953:
1.68 schwarze 954: if (MDOC_BLOCK == n->type)
1.1 kristaps 955: return;
956:
1.121 schwarze 957: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 958:
959: switch (type) {
1.82 schwarze 960: case (LIST_item):
1.44 schwarze 961: /* FALLTHROUGH */
1.82 schwarze 962: case (LIST_diag):
1.1 kristaps 963: /* FALLTHROUGH */
1.82 schwarze 964: case (LIST_inset):
1.60 schwarze 965: if (MDOC_BODY == n->type)
1.74 schwarze 966: term_newln(p);
1.1 kristaps 967: break;
1.82 schwarze 968: case (LIST_column):
1.85 schwarze 969: if (MDOC_BODY == n->type)
1.1 kristaps 970: term_flushln(p);
971: break;
972: default:
1.74 schwarze 973: term_newln(p);
1.1 kristaps 974: break;
975: }
976:
1.68 schwarze 977: /*
978: * Now that our output is flushed, we can reset our tags. Since
979: * only `It' sets these flags, we're free to assume that nobody
980: * has munged them in the meanwhile.
981: */
982:
983: p->flags &= ~TERMP_DANGLE;
984: p->flags &= ~TERMP_NOBREAK;
985: p->flags &= ~TERMP_HANG;
1.152 schwarze 986: p->trailspace = 0;
1.1 kristaps 987: }
988:
989:
990: /* ARGSUSED */
991: static int
992: termp_nm_pre(DECL_ARGS)
993: {
994:
1.155 schwarze 995: if (MDOC_BLOCK == n->type) {
996: p->flags |= TERMP_PREKEEP;
1.94 schwarze 997: return(1);
1.155 schwarze 998: }
1.94 schwarze 999:
1000: if (MDOC_BODY == n->type) {
1001: if (NULL == n->child)
1002: return(0);
1.136 schwarze 1003: p->flags |= TERMP_NOSPACE;
1.94 schwarze 1004: p->offset += term_len(p, 1) +
1.147 schwarze 1005: (NULL == n->prev->child ?
1006: term_strlen(p, meta->name) :
1.94 schwarze 1007: MDOC_TEXT == n->prev->child->type ?
1.147 schwarze 1008: term_strlen(p, n->prev->child->string) :
1.94 schwarze 1009: term_len(p, 5));
1010: return(1);
1011: }
1012:
1.147 schwarze 1013: if (NULL == n->child && NULL == meta->name)
1.94 schwarze 1014: return(0);
1.81 schwarze 1015:
1.97 schwarze 1016: if (MDOC_HEAD == n->type)
1017: synopsis_pre(p, n->parent);
1.65 schwarze 1018:
1.94 schwarze 1019: if (MDOC_HEAD == n->type && n->next->child) {
1.105 schwarze 1020: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.152 schwarze 1021: p->trailspace = 1;
1.105 schwarze 1022: p->rmargin = p->offset + term_len(p, 1);
1023: if (NULL == n->child) {
1.147 schwarze 1024: p->rmargin += term_strlen(p, meta->name);
1.105 schwarze 1025: } else if (MDOC_TEXT == n->child->type) {
1026: p->rmargin += term_strlen(p, n->child->string);
1027: if (n->child->next)
1028: p->flags |= TERMP_HANG;
1029: } else {
1030: p->rmargin += term_len(p, 5);
1031: p->flags |= TERMP_HANG;
1032: }
1.94 schwarze 1033: }
1034:
1.65 schwarze 1035: term_fontpush(p, TERMFONT_BOLD);
1.60 schwarze 1036: if (NULL == n->child)
1.147 schwarze 1037: term_word(p, meta->name);
1.1 kristaps 1038: return(1);
1039: }
1040:
1041:
1.94 schwarze 1042: /* ARGSUSED */
1043: static void
1044: termp_nm_post(DECL_ARGS)
1045: {
1046:
1.155 schwarze 1047: if (MDOC_BLOCK == n->type) {
1048: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1049: } else if (MDOC_HEAD == n->type && n->next->child) {
1.94 schwarze 1050: term_flushln(p);
1051: p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
1.152 schwarze 1052: p->trailspace = 0;
1.136 schwarze 1053: } else if (MDOC_BODY == n->type && n->child)
1.94 schwarze 1054: term_flushln(p);
1055: }
1056:
1057:
1.1 kristaps 1058: /* ARGSUSED */
1059: static int
1060: termp_fl_pre(DECL_ARGS)
1061: {
1062:
1.65 schwarze 1063: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1064: term_word(p, "\\-");
1.67 schwarze 1065:
1066: if (n->child)
1067: p->flags |= TERMP_NOSPACE;
1.73 schwarze 1068: else if (n->next && n->next->line == n->line)
1069: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1070:
1.1 kristaps 1071: return(1);
1.49 schwarze 1072: }
1073:
1074:
1075: /* ARGSUSED */
1076: static int
1.104 schwarze 1077: termp__a_pre(DECL_ARGS)
1078: {
1079:
1080: if (n->prev && MDOC__A == n->prev->tok)
1081: if (NULL == n->next || MDOC__A != n->next->tok)
1082: term_word(p, "and");
1083:
1084: return(1);
1085: }
1086:
1087:
1088: /* ARGSUSED */
1089: static int
1.49 schwarze 1090: termp_an_pre(DECL_ARGS)
1091: {
1092:
1.60 schwarze 1093: if (NULL == n->child)
1.49 schwarze 1094: return(1);
1095:
1096: /*
1.60 schwarze 1097: * If not in the AUTHORS section, `An -split' will cause
1098: * newlines to occur before the author name. If in the AUTHORS
1099: * section, by default, the first `An' invocation is nosplit,
1100: * then all subsequent ones, regardless of whether interspersed
1101: * with other macros/text, are split. -split, in this case,
1102: * will override the condition of the implied first -nosplit.
1.49 schwarze 1103: */
1104:
1.60 schwarze 1105: if (n->sec == SEC_AUTHORS) {
1.49 schwarze 1106: if ( ! (TERMP_ANPREC & p->flags)) {
1107: if (TERMP_SPLIT & p->flags)
1108: term_newln(p);
1109: return(1);
1110: }
1111: if (TERMP_NOSPLIT & p->flags)
1112: return(1);
1113: term_newln(p);
1114: return(1);
1115: }
1116:
1117: if (TERMP_SPLIT & p->flags)
1118: term_newln(p);
1119:
1120: return(1);
1121: }
1122:
1123:
1124: /* ARGSUSED */
1125: static void
1126: termp_an_post(DECL_ARGS)
1127: {
1128:
1.60 schwarze 1129: if (n->child) {
1130: if (SEC_AUTHORS == n->sec)
1.49 schwarze 1131: p->flags |= TERMP_ANPREC;
1132: return;
1133: }
1134:
1.121 schwarze 1135: if (AUTH_split == n->norm->An.auth) {
1.49 schwarze 1136: p->flags &= ~TERMP_NOSPLIT;
1137: p->flags |= TERMP_SPLIT;
1.121 schwarze 1138: } else if (AUTH_nosplit == n->norm->An.auth) {
1.49 schwarze 1139: p->flags &= ~TERMP_SPLIT;
1140: p->flags |= TERMP_NOSPLIT;
1141: }
1142:
1.1 kristaps 1143: }
1144:
1145:
1146: /* ARGSUSED */
1147: static int
1148: termp_ns_pre(DECL_ARGS)
1149: {
1150:
1.127 schwarze 1151: if ( ! (MDOC_LINE & n->flags))
1152: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1153: return(1);
1154: }
1155:
1156:
1157: /* ARGSUSED */
1158: static int
1159: termp_rs_pre(DECL_ARGS)
1160: {
1161:
1.60 schwarze 1162: if (SEC_SEE_ALSO != n->sec)
1.57 schwarze 1163: return(1);
1.60 schwarze 1164: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1165: term_vspace(p);
1166: return(1);
1167: }
1168:
1169:
1170: /* ARGSUSED */
1171: static int
1172: termp_rv_pre(DECL_ARGS)
1173: {
1.132 schwarze 1174: int nchild;
1.1 kristaps 1175:
1176: term_newln(p);
1177: term_word(p, "The");
1178:
1.132 schwarze 1179: nchild = n->nchild;
1180: for (n = n->child; n; n = n->next) {
1.65 schwarze 1181: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1182: term_word(p, n->string);
1.65 schwarze 1183: term_fontpop(p);
1.132 schwarze 1184:
1.53 schwarze 1185: p->flags |= TERMP_NOSPACE;
1.132 schwarze 1186: term_word(p, "()");
1187:
1188: if (nchild > 2 && n->next) {
1189: p->flags |= TERMP_NOSPACE;
1190: term_word(p, ",");
1191: }
1192:
1193: if (n->next && NULL == n->next->next)
1194: term_word(p, "and");
1.53 schwarze 1195: }
1196:
1.132 schwarze 1197: if (nchild > 1)
1.53 schwarze 1198: term_word(p, "functions return");
1199: else
1200: term_word(p, "function returns");
1.1 kristaps 1201:
1.53 schwarze 1202: term_word(p, "the value 0 if successful; otherwise the value "
1203: "-1 is returned and the global variable");
1.1 kristaps 1204:
1.65 schwarze 1205: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1206: term_word(p, "errno");
1.65 schwarze 1207: term_fontpop(p);
1.1 kristaps 1208:
1209: term_word(p, "is set to indicate the error.");
1.84 schwarze 1210: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1211:
1.53 schwarze 1212: return(0);
1.1 kristaps 1213: }
1214:
1215:
1216: /* ARGSUSED */
1217: static int
1218: termp_ex_pre(DECL_ARGS)
1219: {
1.132 schwarze 1220: int nchild;
1.1 kristaps 1221:
1.132 schwarze 1222: term_newln(p);
1.53 schwarze 1223: term_word(p, "The");
1.1 kristaps 1224:
1.132 schwarze 1225: nchild = n->nchild;
1226: for (n = n->child; n; n = n->next) {
1.65 schwarze 1227: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1228: term_word(p, n->string);
1.65 schwarze 1229: term_fontpop(p);
1.132 schwarze 1230:
1231: if (nchild > 2 && n->next) {
1232: p->flags |= TERMP_NOSPACE;
1.53 schwarze 1233: term_word(p, ",");
1.132 schwarze 1234: }
1235:
1236: if (n->next && NULL == n->next->next)
1237: term_word(p, "and");
1.53 schwarze 1238: }
1239:
1.132 schwarze 1240: if (nchild > 1)
1.53 schwarze 1241: term_word(p, "utilities exit");
1242: else
1243: term_word(p, "utility exits");
1244:
1245: term_word(p, "0 on success, and >0 if an error occurs.");
1.132 schwarze 1246:
1.84 schwarze 1247: p->flags |= TERMP_SENTENCE;
1.53 schwarze 1248: return(0);
1.1 kristaps 1249: }
1250:
1251:
1252: /* ARGSUSED */
1253: static int
1254: termp_nd_pre(DECL_ARGS)
1255: {
1.25 schwarze 1256:
1.60 schwarze 1257: if (MDOC_BODY != n->type)
1.25 schwarze 1258: return(1);
1259:
1260: #if defined(__OpenBSD__) || defined(__linux__)
1261: term_word(p, "\\(en");
1.24 schwarze 1262: #else
1263: term_word(p, "\\(em");
1264: #endif
1.1 kristaps 1265: return(1);
1266: }
1267:
1268:
1269: /* ARGSUSED */
1.73 schwarze 1270: static int
1271: termp_bl_pre(DECL_ARGS)
1272: {
1273:
1274: return(MDOC_HEAD != n->type);
1275: }
1276:
1277:
1278: /* ARGSUSED */
1.1 kristaps 1279: static void
1280: termp_bl_post(DECL_ARGS)
1281: {
1282:
1.60 schwarze 1283: if (MDOC_BLOCK == n->type)
1.1 kristaps 1284: term_newln(p);
1285: }
1286:
1287: /* ARGSUSED */
1288: static int
1289: termp_xr_pre(DECL_ARGS)
1290: {
1291:
1.132 schwarze 1292: if (NULL == (n = n->child))
1.72 schwarze 1293: return(0);
1294:
1.132 schwarze 1295: assert(MDOC_TEXT == n->type);
1296: term_word(p, n->string);
1.10 schwarze 1297:
1.132 schwarze 1298: if (NULL == (n = n->next))
1.1 kristaps 1299: return(0);
1.132 schwarze 1300:
1.1 kristaps 1301: p->flags |= TERMP_NOSPACE;
1302: term_word(p, "(");
1.132 schwarze 1303: p->flags |= TERMP_NOSPACE;
1304:
1305: assert(MDOC_TEXT == n->type);
1306: term_word(p, n->string);
1307:
1308: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1309: term_word(p, ")");
1.60 schwarze 1310:
1.1 kristaps 1311: return(0);
1312: }
1313:
1.86 schwarze 1314: /*
1315: * This decides how to assert whitespace before any of the SYNOPSIS set
1316: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1317: * macro combos).
1318: */
1319: static void
1320: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1321: {
1322: /*
1323: * Obviously, if we're not in a SYNOPSIS or no prior macros
1324: * exist, do nothing.
1325: */
1.92 schwarze 1326: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.86 schwarze 1327: return;
1328:
1329: /*
1330: * If we're the second in a pair of like elements, emit our
1331: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1332: * case we soldier on.
1333: */
1334: if (n->prev->tok == n->tok &&
1335: MDOC_Ft != n->tok &&
1336: MDOC_Fo != n->tok &&
1337: MDOC_Fn != n->tok) {
1338: term_newln(p);
1339: return;
1340: }
1341:
1342: /*
1343: * If we're one of the SYNOPSIS set and non-like pair-wise after
1344: * another (or Fn/Fo, which we've let slip through) then assert
1345: * vertical space, else only newline and move on.
1346: */
1347: switch (n->prev->tok) {
1348: case (MDOC_Fd):
1349: /* FALLTHROUGH */
1350: case (MDOC_Fn):
1351: /* FALLTHROUGH */
1352: case (MDOC_Fo):
1353: /* FALLTHROUGH */
1354: case (MDOC_In):
1355: /* FALLTHROUGH */
1356: case (MDOC_Vt):
1357: term_vspace(p);
1358: break;
1359: case (MDOC_Ft):
1360: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1361: term_vspace(p);
1362: break;
1363: }
1364: /* FALLTHROUGH */
1365: default:
1366: term_newln(p);
1367: break;
1368: }
1369: }
1370:
1371:
1.69 schwarze 1372: static int
1373: termp_vt_pre(DECL_ARGS)
1374: {
1375:
1.86 schwarze 1376: if (MDOC_ELEM == n->type) {
1377: synopsis_pre(p, n);
1.147 schwarze 1378: return(termp_under_pre(p, pair, meta, n));
1.86 schwarze 1379: } else if (MDOC_BLOCK == n->type) {
1380: synopsis_pre(p, n);
1381: return(1);
1382: } else if (MDOC_HEAD == n->type)
1.69 schwarze 1383: return(0);
1384:
1.147 schwarze 1385: return(termp_under_pre(p, pair, meta, n));
1.69 schwarze 1386: }
1387:
1388:
1.1 kristaps 1389: /* ARGSUSED */
1390: static int
1.54 schwarze 1391: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1392: {
1393:
1.65 schwarze 1394: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1395: return(1);
1396: }
1397:
1398:
1399: /* ARGSUSED */
1.86 schwarze 1400: static int
1401: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1402: {
1403:
1.86 schwarze 1404: synopsis_pre(p, n);
1.147 schwarze 1405: return(termp_bold_pre(p, pair, meta, n));
1.1 kristaps 1406: }
1407:
1408:
1409: /* ARGSUSED */
1.143 schwarze 1410: static void
1411: termp_fd_post(DECL_ARGS)
1412: {
1413:
1414: term_newln(p);
1415: }
1416:
1417:
1418: /* ARGSUSED */
1.1 kristaps 1419: static int
1420: termp_sh_pre(DECL_ARGS)
1421: {
1.60 schwarze 1422:
1423: /* No vspace between consecutive `Sh' calls. */
1424:
1425: switch (n->type) {
1.52 schwarze 1426: case (MDOC_BLOCK):
1.60 schwarze 1427: if (n->prev && MDOC_Sh == n->prev->tok)
1428: if (NULL == n->prev->body->child)
1.52 schwarze 1429: break;
1430: term_vspace(p);
1431: break;
1.1 kristaps 1432: case (MDOC_HEAD):
1.65 schwarze 1433: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1434: break;
1435: case (MDOC_BODY):
1.140 schwarze 1436: p->offset = term_len(p, p->defindent);
1.141 schwarze 1437: if (SEC_AUTHORS == n->sec)
1438: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1439: break;
1440: default:
1441: break;
1442: }
1443: return(1);
1444: }
1445:
1446:
1447: /* ARGSUSED */
1448: static void
1449: termp_sh_post(DECL_ARGS)
1450: {
1451:
1.60 schwarze 1452: switch (n->type) {
1.1 kristaps 1453: case (MDOC_HEAD):
1454: term_newln(p);
1455: break;
1456: case (MDOC_BODY):
1457: term_newln(p);
1458: p->offset = 0;
1459: break;
1460: default:
1461: break;
1462: }
1463: }
1464:
1465:
1466: /* ARGSUSED */
1467: static int
1468: termp_bt_pre(DECL_ARGS)
1469: {
1470:
1471: term_word(p, "is currently in beta test.");
1.84 schwarze 1472: p->flags |= TERMP_SENTENCE;
1.59 schwarze 1473: return(0);
1.1 kristaps 1474: }
1475:
1476:
1477: /* ARGSUSED */
1478: static void
1479: termp_lb_post(DECL_ARGS)
1480: {
1481:
1.77 schwarze 1482: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.57 schwarze 1483: term_newln(p);
1.1 kristaps 1484: }
1485:
1486:
1487: /* ARGSUSED */
1488: static int
1489: termp_ud_pre(DECL_ARGS)
1490: {
1491:
1492: term_word(p, "currently under development.");
1.84 schwarze 1493: p->flags |= TERMP_SENTENCE;
1.60 schwarze 1494: return(0);
1.1 kristaps 1495: }
1496:
1497:
1498: /* ARGSUSED */
1499: static int
1500: termp_d1_pre(DECL_ARGS)
1501: {
1502:
1.60 schwarze 1503: if (MDOC_BLOCK != n->type)
1.1 kristaps 1504: return(1);
1505: term_newln(p);
1.140 schwarze 1506: p->offset += term_len(p, p->defindent + 1);
1.1 kristaps 1507: return(1);
1508: }
1509:
1510:
1511: /* ARGSUSED */
1512: static int
1513: termp_ft_pre(DECL_ARGS)
1514: {
1515:
1.85 schwarze 1516: /* NB: MDOC_LINE does not effect this! */
1.86 schwarze 1517: synopsis_pre(p, n);
1.65 schwarze 1518: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1519: return(1);
1520: }
1521:
1522:
1523: /* ARGSUSED */
1524: static int
1525: termp_fn_pre(DECL_ARGS)
1526: {
1.153 schwarze 1527: size_t width, rmargin = 0;
1.132 schwarze 1528: int pretty;
1529:
1530: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1531:
1.86 schwarze 1532: synopsis_pre(p, n);
1.85 schwarze 1533:
1.132 schwarze 1534: if (NULL == (n = n->child))
1535: return(0);
1536:
1.153 schwarze 1537: if (pretty) {
1538: width = term_len(p, 4);
1539: rmargin = p->rmargin;
1540: p->rmargin = p->offset + width;
1541: p->flags |= TERMP_NOBREAK | TERMP_HANG;
1542: }
1543:
1.132 schwarze 1544: assert(MDOC_TEXT == n->type);
1.65 schwarze 1545: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1546: term_word(p, n->string);
1.65 schwarze 1547: term_fontpop(p);
1.1 kristaps 1548:
1.153 schwarze 1549: if (pretty) {
1550: term_flushln(p);
1551: p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
1552: p->offset = p->rmargin;
1553: p->rmargin = rmargin;
1554: }
1555:
1.1 kristaps 1556: p->flags |= TERMP_NOSPACE;
1557: term_word(p, "(");
1.132 schwarze 1558: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1559:
1.132 schwarze 1560: for (n = n->next; n; n = n->next) {
1561: assert(MDOC_TEXT == n->type);
1.65 schwarze 1562: term_fontpush(p, TERMFONT_UNDER);
1.157 ! schwarze 1563: if (pretty)
! 1564: p->flags |= TERMP_NBRWORD;
1.132 schwarze 1565: term_word(p, n->string);
1.65 schwarze 1566: term_fontpop(p);
1567:
1.132 schwarze 1568: if (n->next) {
1569: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1570: term_word(p, ",");
1.132 schwarze 1571: }
1.1 kristaps 1572: }
1573:
1.132 schwarze 1574: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1575: term_word(p, ")");
1576:
1.132 schwarze 1577: if (pretty) {
1578: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1579: term_word(p, ";");
1.153 schwarze 1580: term_flushln(p);
1.132 schwarze 1581: }
1.1 kristaps 1582:
1583: return(0);
1584: }
1585:
1586:
1587: /* ARGSUSED */
1588: static int
1589: termp_fa_pre(DECL_ARGS)
1590: {
1.60 schwarze 1591: const struct mdoc_node *nn;
1.1 kristaps 1592:
1.60 schwarze 1593: if (n->parent->tok != MDOC_Fo) {
1.65 schwarze 1594: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1595: return(1);
1596: }
1597:
1.60 schwarze 1598: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1599: term_fontpush(p, TERMFONT_UNDER);
1.60 schwarze 1600: term_word(p, nn->string);
1.65 schwarze 1601: term_fontpop(p);
1602:
1.132 schwarze 1603: if (nn->next) {
1604: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1605: term_word(p, ",");
1.132 schwarze 1606: }
1.1 kristaps 1607: }
1608:
1.132 schwarze 1609: if (n->child && n->next && n->next->tok == MDOC_Fa) {
1610: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1611: term_word(p, ",");
1.132 schwarze 1612: }
1.1 kristaps 1613:
1614: return(0);
1615: }
1616:
1617:
1618: /* ARGSUSED */
1619: static int
1620: termp_bd_pre(DECL_ARGS)
1621: {
1.99 schwarze 1622: size_t tabwidth, rm, rmax;
1.146 schwarze 1623: struct mdoc_node *nn;
1.1 kristaps 1624:
1.60 schwarze 1625: if (MDOC_BLOCK == n->type) {
1.61 schwarze 1626: print_bvspace(p, n, n);
1.45 schwarze 1627: return(1);
1.73 schwarze 1628: } else if (MDOC_HEAD == n->type)
1629: return(0);
1.1 kristaps 1630:
1.121 schwarze 1631: if (n->norm->Bd.offs)
1632: p->offset += a2offs(p, n->norm->Bd.offs);
1.60 schwarze 1633:
1634: /*
1635: * If -ragged or -filled are specified, the block does nothing
1636: * but change the indentation. If -unfilled or -literal are
1637: * specified, text is printed exactly as entered in the display:
1638: * for macro lines, a newline is appended to the line. Blank
1639: * lines are allowed.
1640: */
1.48 schwarze 1641:
1.121 schwarze 1642: if (DISP_literal != n->norm->Bd.type &&
1643: DISP_unfilled != n->norm->Bd.type)
1.1 kristaps 1644: return(1);
1645:
1.75 schwarze 1646: tabwidth = p->tabwidth;
1.123 schwarze 1647: if (DISP_literal == n->norm->Bd.type)
1648: p->tabwidth = term_len(p, 8);
1649:
1.77 schwarze 1650: rm = p->rmargin;
1651: rmax = p->maxrmargin;
1652: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1653:
1.60 schwarze 1654: for (nn = n->child; nn; nn = nn->next) {
1.147 schwarze 1655: print_mdoc_node(p, pair, meta, nn);
1.108 schwarze 1656: /*
1657: * If the printed node flushes its own line, then we
1658: * needn't do it here as well. This is hacky, but the
1659: * notion of selective eoln whitespace is pretty dumb
1660: * anyway, so don't sweat it.
1661: */
1662: switch (nn->tok) {
1.112 schwarze 1663: case (MDOC_Sm):
1664: /* FALLTHROUGH */
1.108 schwarze 1665: case (MDOC_br):
1666: /* FALLTHROUGH */
1667: case (MDOC_sp):
1668: /* FALLTHROUGH */
1669: case (MDOC_Bl):
1.115 schwarze 1670: /* FALLTHROUGH */
1671: case (MDOC_D1):
1672: /* FALLTHROUGH */
1673: case (MDOC_Dl):
1.108 schwarze 1674: /* FALLTHROUGH */
1675: case (MDOC_Lp):
1676: /* FALLTHROUGH */
1677: case (MDOC_Pp):
1678: continue;
1679: default:
1680: break;
1681: }
1.100 schwarze 1682: if (nn->next && nn->next->line == nn->line)
1683: continue;
1684: term_flushln(p);
1.48 schwarze 1685: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1686: }
1.88 schwarze 1687:
1.75 schwarze 1688: p->tabwidth = tabwidth;
1.77 schwarze 1689: p->rmargin = rm;
1690: p->maxrmargin = rmax;
1.1 kristaps 1691: return(0);
1692: }
1693:
1694:
1695: /* ARGSUSED */
1696: static void
1697: termp_bd_post(DECL_ARGS)
1698: {
1.77 schwarze 1699: size_t rm, rmax;
1.1 kristaps 1700:
1.60 schwarze 1701: if (MDOC_BODY != n->type)
1.1 kristaps 1702: return;
1.77 schwarze 1703:
1704: rm = p->rmargin;
1705: rmax = p->maxrmargin;
1706:
1.121 schwarze 1707: if (DISP_literal == n->norm->Bd.type ||
1708: DISP_unfilled == n->norm->Bd.type)
1.77 schwarze 1709: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1710:
1.48 schwarze 1711: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1712: term_newln(p);
1.77 schwarze 1713:
1714: p->rmargin = rm;
1715: p->maxrmargin = rmax;
1.1 kristaps 1716: }
1717:
1718:
1719: /* ARGSUSED */
1.126 schwarze 1720: static int
1721: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1722: {
1723:
1.126 schwarze 1724: if (NULL != (n = n->child)) {
1725: term_word(p, n->string);
1726: p->flags |= TERMP_NOSPACE;
1727: term_word(p, "BSD");
1728: } else {
1729: term_word(p, "BSD");
1730: return(0);
1731: }
1732:
1733: if (NULL != (n = n->next)) {
1734: p->flags |= TERMP_NOSPACE;
1735: term_word(p, "-");
1.1 kristaps 1736: p->flags |= TERMP_NOSPACE;
1.126 schwarze 1737: term_word(p, n->string);
1738: }
1739:
1740: return(0);
1.1 kristaps 1741: }
1742:
1743:
1744: /* ARGSUSED */
1745: static int
1.26 schwarze 1746: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1747: {
1.26 schwarze 1748: const char *pp;
1.129 schwarze 1749: int flags;
1.1 kristaps 1750:
1.26 schwarze 1751: pp = NULL;
1.60 schwarze 1752: switch (n->tok) {
1.26 schwarze 1753: case (MDOC_Bsx):
1.113 schwarze 1754: pp = "BSD/OS";
1.26 schwarze 1755: break;
1756: case (MDOC_Dx):
1.64 schwarze 1757: pp = "DragonFly";
1.26 schwarze 1758: break;
1759: case (MDOC_Fx):
1760: pp = "FreeBSD";
1761: break;
1762: case (MDOC_Nx):
1763: pp = "NetBSD";
1764: break;
1765: case (MDOC_Ox):
1766: pp = "OpenBSD";
1767: break;
1768: case (MDOC_Ux):
1769: pp = "UNIX";
1770: break;
1771: default:
1.148 schwarze 1772: abort();
1773: /* NOTREACHED */
1.26 schwarze 1774: }
1.1 kristaps 1775:
1.26 schwarze 1776: term_word(p, pp);
1.129 schwarze 1777: if (n->child) {
1778: flags = p->flags;
1779: p->flags |= TERMP_KEEP;
1780: term_word(p, n->child->string);
1781: p->flags = flags;
1782: }
1783: return(0);
1.1 kristaps 1784: }
1785:
1786:
1787: /* ARGSUSED */
1788: static void
1789: termp_pf_post(DECL_ARGS)
1790: {
1791:
1792: p->flags |= TERMP_NOSPACE;
1793: }
1794:
1795:
1796: /* ARGSUSED */
1797: static int
1798: termp_ss_pre(DECL_ARGS)
1799: {
1800:
1.60 schwarze 1801: switch (n->type) {
1.1 kristaps 1802: case (MDOC_BLOCK):
1803: term_newln(p);
1.60 schwarze 1804: if (n->prev)
1.1 kristaps 1805: term_vspace(p);
1806: break;
1807: case (MDOC_HEAD):
1.65 schwarze 1808: term_fontpush(p, TERMFONT_BOLD);
1.140 schwarze 1809: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1810: break;
1811: default:
1812: break;
1813: }
1814:
1815: return(1);
1816: }
1817:
1818:
1819: /* ARGSUSED */
1820: static void
1821: termp_ss_post(DECL_ARGS)
1822: {
1823:
1.60 schwarze 1824: if (MDOC_HEAD == n->type)
1.1 kristaps 1825: term_newln(p);
1826: }
1827:
1828:
1829: /* ARGSUSED */
1830: static int
1831: termp_cd_pre(DECL_ARGS)
1832: {
1833:
1.86 schwarze 1834: synopsis_pre(p, n);
1.65 schwarze 1835: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1836: return(1);
1837: }
1838:
1839:
1840: /* ARGSUSED */
1841: static int
1842: termp_in_pre(DECL_ARGS)
1843: {
1844:
1.86 schwarze 1845: synopsis_pre(p, n);
1.85 schwarze 1846:
1.92 schwarze 1847: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.85 schwarze 1848: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1849: term_word(p, "#include");
1.85 schwarze 1850: term_word(p, "<");
1851: } else {
1852: term_word(p, "<");
1853: term_fontpush(p, TERMFONT_UNDER);
1854: }
1.23 schwarze 1855:
1.1 kristaps 1856: p->flags |= TERMP_NOSPACE;
1857: return(1);
1858: }
1859:
1860:
1861: /* ARGSUSED */
1862: static void
1863: termp_in_post(DECL_ARGS)
1864: {
1865:
1.92 schwarze 1866: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1867: term_fontpush(p, TERMFONT_BOLD);
1868:
1.59 schwarze 1869: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1870: term_word(p, ">");
1871:
1.92 schwarze 1872: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1873: term_fontpop(p);
1.38 schwarze 1874: }
1875:
1876:
1877: /* ARGSUSED */
1878: static int
1879: termp_sp_pre(DECL_ARGS)
1880: {
1.61 schwarze 1881: size_t i, len;
1.38 schwarze 1882:
1.60 schwarze 1883: switch (n->tok) {
1.54 schwarze 1884: case (MDOC_sp):
1.89 schwarze 1885: len = n->child ? a2height(p, n->child->string) : 1;
1.54 schwarze 1886: break;
1887: case (MDOC_br):
1888: len = 0;
1889: break;
1890: default:
1891: len = 1;
1892: break;
1.38 schwarze 1893: }
1894:
1895: if (0 == len)
1896: term_newln(p);
1897: for (i = 0; i < len; i++)
1898: term_vspace(p);
1899:
1900: return(0);
1901: }
1902:
1903:
1904: /* ARGSUSED */
1905: static int
1.107 schwarze 1906: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1907: {
1908:
1.120 schwarze 1909: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1910: return(1);
1911:
1.107 schwarze 1912: switch (n->tok) {
1913: case (MDOC_Ao):
1914: /* FALLTHROUGH */
1915: case (MDOC_Aq):
1916: term_word(p, "<");
1917: break;
1918: case (MDOC_Bro):
1919: /* FALLTHROUGH */
1920: case (MDOC_Brq):
1921: term_word(p, "{");
1922: break;
1923: case (MDOC_Oo):
1924: /* FALLTHROUGH */
1925: case (MDOC_Op):
1926: /* FALLTHROUGH */
1927: case (MDOC_Bo):
1928: /* FALLTHROUGH */
1929: case (MDOC_Bq):
1930: term_word(p, "[");
1931: break;
1932: case (MDOC_Do):
1933: /* FALLTHROUGH */
1934: case (MDOC_Dq):
1.151 schwarze 1935: term_word(p, "\\(lq");
1.107 schwarze 1936: break;
1.139 schwarze 1937: case (MDOC_Eo):
1938: break;
1.107 schwarze 1939: case (MDOC_Po):
1940: /* FALLTHROUGH */
1941: case (MDOC_Pq):
1942: term_word(p, "(");
1943: break;
1.120 schwarze 1944: case (MDOC__T):
1945: /* FALLTHROUGH */
1.107 schwarze 1946: case (MDOC_Qo):
1947: /* FALLTHROUGH */
1948: case (MDOC_Qq):
1949: term_word(p, "\"");
1950: break;
1951: case (MDOC_Ql):
1952: /* FALLTHROUGH */
1953: case (MDOC_So):
1954: /* FALLTHROUGH */
1955: case (MDOC_Sq):
1.151 schwarze 1956: term_word(p, "\\(oq");
1.107 schwarze 1957: break;
1958: default:
1959: abort();
1960: /* NOTREACHED */
1961: }
1.1 kristaps 1962:
1963: p->flags |= TERMP_NOSPACE;
1964: return(1);
1965: }
1966:
1967:
1968: /* ARGSUSED */
1969: static void
1.107 schwarze 1970: termp_quote_post(DECL_ARGS)
1.1 kristaps 1971: {
1972:
1.120 schwarze 1973: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1974: return;
1975:
1976: p->flags |= TERMP_NOSPACE;
1977:
1.107 schwarze 1978: switch (n->tok) {
1979: case (MDOC_Ao):
1980: /* FALLTHROUGH */
1981: case (MDOC_Aq):
1982: term_word(p, ">");
1983: break;
1984: case (MDOC_Bro):
1985: /* FALLTHROUGH */
1986: case (MDOC_Brq):
1987: term_word(p, "}");
1988: break;
1989: case (MDOC_Oo):
1990: /* FALLTHROUGH */
1991: case (MDOC_Op):
1992: /* FALLTHROUGH */
1993: case (MDOC_Bo):
1994: /* FALLTHROUGH */
1995: case (MDOC_Bq):
1996: term_word(p, "]");
1997: break;
1998: case (MDOC_Do):
1999: /* FALLTHROUGH */
2000: case (MDOC_Dq):
1.151 schwarze 2001: term_word(p, "\\(rq");
1.139 schwarze 2002: break;
2003: case (MDOC_Eo):
1.107 schwarze 2004: break;
2005: case (MDOC_Po):
2006: /* FALLTHROUGH */
2007: case (MDOC_Pq):
2008: term_word(p, ")");
2009: break;
1.120 schwarze 2010: case (MDOC__T):
2011: /* FALLTHROUGH */
1.107 schwarze 2012: case (MDOC_Qo):
2013: /* FALLTHROUGH */
2014: case (MDOC_Qq):
2015: term_word(p, "\"");
2016: break;
2017: case (MDOC_Ql):
2018: /* FALLTHROUGH */
2019: case (MDOC_So):
2020: /* FALLTHROUGH */
2021: case (MDOC_Sq):
1.151 schwarze 2022: term_word(p, "\\(cq");
1.107 schwarze 2023: break;
2024: default:
2025: abort();
2026: /* NOTREACHED */
2027: }
1.1 kristaps 2028: }
2029:
2030:
2031: /* ARGSUSED */
2032: static int
2033: termp_fo_pre(DECL_ARGS)
2034: {
2035:
1.85 schwarze 2036: if (MDOC_BLOCK == n->type) {
1.86 schwarze 2037: synopsis_pre(p, n);
1.85 schwarze 2038: return(1);
2039: } else if (MDOC_BODY == n->type) {
1.31 schwarze 2040: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2041: term_word(p, "(");
1.132 schwarze 2042: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2043: return(1);
1.85 schwarze 2044: }
2045:
1.95 schwarze 2046: if (NULL == n->child)
2047: return(0);
2048:
1.85 schwarze 2049: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2050:
1.85 schwarze 2051: assert(n->child->string);
1.65 schwarze 2052: term_fontpush(p, TERMFONT_BOLD);
1.85 schwarze 2053: term_word(p, n->child->string);
1.1 kristaps 2054: return(0);
2055: }
2056:
2057:
2058: /* ARGSUSED */
2059: static void
2060: termp_fo_post(DECL_ARGS)
2061: {
2062:
1.86 schwarze 2063: if (MDOC_BODY != n->type)
2064: return;
2065:
1.132 schwarze 2066: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2067: term_word(p, ")");
2068:
1.132 schwarze 2069: if (MDOC_SYNPRETTY & n->flags) {
2070: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2071: term_word(p, ";");
1.132 schwarze 2072: }
1.1 kristaps 2073: }
2074:
2075:
2076: /* ARGSUSED */
2077: static int
2078: termp_bf_pre(DECL_ARGS)
2079: {
2080:
1.60 schwarze 2081: if (MDOC_HEAD == n->type)
1.1 kristaps 2082: return(0);
1.146 schwarze 2083: else if (MDOC_BODY != n->type)
1.1 kristaps 2084: return(1);
2085:
1.121 schwarze 2086: if (FONT_Em == n->norm->Bf.font)
1.65 schwarze 2087: term_fontpush(p, TERMFONT_UNDER);
1.121 schwarze 2088: else if (FONT_Sy == n->norm->Bf.font)
1.65 schwarze 2089: term_fontpush(p, TERMFONT_BOLD);
1.95 schwarze 2090: else
1.65 schwarze 2091: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2092:
2093: return(1);
2094: }
2095:
2096:
2097: /* ARGSUSED */
2098: static int
2099: termp_sm_pre(DECL_ARGS)
2100: {
2101:
1.60 schwarze 2102: assert(n->child && MDOC_TEXT == n->child->type);
1.96 schwarze 2103: if (0 == strcmp("on", n->child->string)) {
2104: if (p->col)
2105: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2106: p->flags &= ~TERMP_NONOSPACE;
1.96 schwarze 2107: } else
1.1 kristaps 2108: p->flags |= TERMP_NONOSPACE;
2109:
2110: return(0);
2111: }
2112:
2113:
2114: /* ARGSUSED */
2115: static int
2116: termp_ap_pre(DECL_ARGS)
2117: {
2118:
2119: p->flags |= TERMP_NOSPACE;
1.107 schwarze 2120: term_word(p, "'");
1.1 kristaps 2121: p->flags |= TERMP_NOSPACE;
2122: return(1);
2123: }
2124:
2125:
2126: /* ARGSUSED */
2127: static void
2128: termp____post(DECL_ARGS)
2129: {
1.104 schwarze 2130:
2131: /*
2132: * Handle lists of authors. In general, print each followed by
2133: * a comma. Don't print the comma if there are only two
2134: * authors.
2135: */
2136: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2137: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2138: if (NULL == n->prev || MDOC__A != n->prev->tok)
2139: return;
1.1 kristaps 2140:
1.62 schwarze 2141: /* TODO: %U. */
2142:
1.106 schwarze 2143: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2144: return;
2145:
1.132 schwarze 2146: p->flags |= TERMP_NOSPACE;
1.106 schwarze 2147: if (NULL == n->next) {
2148: term_word(p, ".");
2149: p->flags |= TERMP_SENTENCE;
2150: } else
2151: term_word(p, ",");
1.1 kristaps 2152: }
2153:
2154:
2155: /* ARGSUSED */
2156: static int
1.65 schwarze 2157: termp_li_pre(DECL_ARGS)
2158: {
2159:
2160: term_fontpush(p, TERMFONT_NONE);
2161: return(1);
2162: }
2163:
2164:
2165: /* ARGSUSED */
2166: static int
1.1 kristaps 2167: termp_lk_pre(DECL_ARGS)
2168: {
1.142 schwarze 2169: const struct mdoc_node *link, *descr;
1.1 kristaps 2170:
1.142 schwarze 2171: if (NULL == (link = n->child))
2172: return(0);
1.101 schwarze 2173:
1.142 schwarze 2174: if (NULL != (descr = link->next)) {
2175: term_fontpush(p, TERMFONT_UNDER);
2176: while (NULL != descr) {
2177: term_word(p, descr->string);
2178: descr = descr->next;
2179: }
2180: p->flags |= TERMP_NOSPACE;
2181: term_word(p, ":");
2182: term_fontpop(p);
2183: }
1.1 kristaps 2184:
1.65 schwarze 2185: term_fontpush(p, TERMFONT_BOLD);
1.142 schwarze 2186: term_word(p, link->string);
1.65 schwarze 2187: term_fontpop(p);
1.6 schwarze 2188:
1.1 kristaps 2189: return(0);
2190: }
2191:
1.90 schwarze 2192:
2193: /* ARGSUSED */
2194: static int
2195: termp_bk_pre(DECL_ARGS)
2196: {
2197:
1.91 schwarze 2198: switch (n->type) {
2199: case (MDOC_BLOCK):
1.95 schwarze 2200: break;
1.91 schwarze 2201: case (MDOC_HEAD):
2202: return(0);
2203: case (MDOC_BODY):
1.117 schwarze 2204: if (n->parent->args || 0 == n->prev->nchild)
2205: p->flags |= TERMP_PREKEEP;
1.95 schwarze 2206: break;
1.91 schwarze 2207: default:
2208: abort();
1.95 schwarze 2209: /* NOTREACHED */
1.91 schwarze 2210: }
1.95 schwarze 2211:
2212: return(1);
1.90 schwarze 2213: }
2214:
2215:
2216: /* ARGSUSED */
2217: static void
2218: termp_bk_post(DECL_ARGS)
2219: {
2220:
1.155 schwarze 2221: if (MDOC_BODY == n->type)
1.91 schwarze 2222: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 2223: }
1.120 schwarze 2224:
2225: /* ARGSUSED */
2226: static void
2227: termp__t_post(DECL_ARGS)
2228: {
2229:
2230: /*
2231: * If we're in an `Rs' and there's a journal present, then quote
2232: * us instead of underlining us (for disambiguation).
2233: */
1.121 schwarze 2234: if (n->parent && MDOC_Rs == n->parent->tok &&
1.125 schwarze 2235: n->parent->norm->Rs.quote_T)
1.147 schwarze 2236: termp_quote_post(p, pair, meta, n);
1.120 schwarze 2237:
1.147 schwarze 2238: termp____post(p, pair, meta, n);
1.120 schwarze 2239: }
2240:
2241: /* ARGSUSED */
2242: static int
2243: termp__t_pre(DECL_ARGS)
2244: {
2245:
2246: /*
2247: * If we're in an `Rs' and there's a journal present, then quote
2248: * us instead of underlining us (for disambiguation).
2249: */
1.121 schwarze 2250: if (n->parent && MDOC_Rs == n->parent->tok &&
1.125 schwarze 2251: n->parent->norm->Rs.quote_T)
1.147 schwarze 2252: return(termp_quote_pre(p, pair, meta, n));
1.120 schwarze 2253:
2254: term_fontpush(p, TERMFONT_UNDER);
2255: return(1);
1.121 schwarze 2256: }
1.1 kristaps 2257:
2258: /* ARGSUSED */
2259: static int
1.54 schwarze 2260: termp_under_pre(DECL_ARGS)
1.1 kristaps 2261: {
2262:
1.65 schwarze 2263: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 2264: return(1);
2265: }
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