Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.149
1.149 ! schwarze 1: /* $Id: mdoc_term.c,v 1.148 2013/05/18 17:47:17 schwarze Exp $ */
1.1 kristaps 2: /*
1.122 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.142 schwarze 4: * Copyright (c) 2010, 2012 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);
1.109 schwarze 99: static int termp_igndelim_pre(DECL_ARGS);
1.29 schwarze 100: static int termp_in_pre(DECL_ARGS);
101: static int termp_it_pre(DECL_ARGS);
1.65 schwarze 102: static int termp_li_pre(DECL_ARGS);
1.29 schwarze 103: static int termp_lk_pre(DECL_ARGS);
104: static int termp_nd_pre(DECL_ARGS);
105: static int termp_nm_pre(DECL_ARGS);
106: static int termp_ns_pre(DECL_ARGS);
1.107 schwarze 107: static int termp_quote_pre(DECL_ARGS);
1.29 schwarze 108: static int termp_rs_pre(DECL_ARGS);
109: static int termp_rv_pre(DECL_ARGS);
110: static int termp_sh_pre(DECL_ARGS);
111: static int termp_sm_pre(DECL_ARGS);
1.38 schwarze 112: static int termp_sp_pre(DECL_ARGS);
1.29 schwarze 113: static int termp_ss_pre(DECL_ARGS);
1.54 schwarze 114: static int termp_under_pre(DECL_ARGS);
1.29 schwarze 115: static int termp_ud_pre(DECL_ARGS);
1.69 schwarze 116: static int termp_vt_pre(DECL_ARGS);
1.29 schwarze 117: static int termp_xr_pre(DECL_ARGS);
118: static int termp_xx_pre(DECL_ARGS);
1.1 kristaps 119:
1.54 schwarze 120: static const struct termact termacts[MDOC_MAX] = {
1.11 schwarze 121: { termp_ap_pre, NULL }, /* Ap */
1.1 kristaps 122: { NULL, NULL }, /* Dd */
123: { NULL, NULL }, /* Dt */
124: { NULL, NULL }, /* Os */
125: { termp_sh_pre, termp_sh_post }, /* Sh */
126: { termp_ss_pre, termp_ss_post }, /* Ss */
1.54 schwarze 127: { termp_sp_pre, NULL }, /* Pp */
1.143 schwarze 128: { termp_d1_pre, termp_bl_post }, /* D1 */
129: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 130: { termp_bd_pre, termp_bd_post }, /* Bd */
131: { NULL, NULL }, /* Ed */
1.73 schwarze 132: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 133: { NULL, NULL }, /* El */
134: { termp_it_pre, termp_it_post }, /* It */
1.99 schwarze 135: { termp_under_pre, NULL }, /* Ad */
1.49 schwarze 136: { termp_an_pre, termp_an_post }, /* An */
1.54 schwarze 137: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 138: { termp_cd_pre, NULL }, /* Cd */
1.54 schwarze 139: { termp_bold_pre, NULL }, /* Cm */
1.1 kristaps 140: { NULL, NULL }, /* Dv */
141: { NULL, NULL }, /* Er */
142: { NULL, NULL }, /* Ev */
143: { termp_ex_pre, NULL }, /* Ex */
144: { termp_fa_pre, NULL }, /* Fa */
1.143 schwarze 145: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 146: { termp_fl_pre, NULL }, /* Fl */
1.86 schwarze 147: { termp_fn_pre, NULL }, /* Fn */
1.85 schwarze 148: { termp_ft_pre, NULL }, /* Ft */
1.54 schwarze 149: { termp_bold_pre, NULL }, /* Ic */
1.1 kristaps 150: { termp_in_pre, termp_in_post }, /* In */
1.65 schwarze 151: { termp_li_pre, NULL }, /* Li */
1.1 kristaps 152: { termp_nd_pre, NULL }, /* Nd */
1.94 schwarze 153: { termp_nm_pre, termp_nm_post }, /* Nm */
1.107 schwarze 154: { termp_quote_pre, termp_quote_post }, /* Op */
1.1 kristaps 155: { NULL, NULL }, /* Ot */
1.54 schwarze 156: { termp_under_pre, NULL }, /* Pa */
1.1 kristaps 157: { termp_rv_pre, NULL }, /* Rv */
1.32 schwarze 158: { NULL, NULL }, /* St */
1.54 schwarze 159: { termp_under_pre, NULL }, /* Va */
1.86 schwarze 160: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 161: { termp_xr_pre, NULL }, /* Xr */
1.104 schwarze 162: { termp__a_pre, termp____post }, /* %A */
1.58 schwarze 163: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 164: { NULL, termp____post }, /* %D */
1.58 schwarze 165: { termp_under_pre, termp____post }, /* %I */
1.54 schwarze 166: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 167: { NULL, termp____post }, /* %N */
168: { NULL, termp____post }, /* %O */
169: { NULL, termp____post }, /* %P */
170: { NULL, termp____post }, /* %R */
1.120 schwarze 171: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 172: { NULL, termp____post }, /* %V */
173: { NULL, NULL }, /* Ac */
1.107 schwarze 174: { termp_quote_pre, termp_quote_post }, /* Ao */
175: { termp_quote_pre, termp_quote_post }, /* Aq */
1.32 schwarze 176: { NULL, NULL }, /* At */
1.1 kristaps 177: { NULL, NULL }, /* Bc */
178: { termp_bf_pre, NULL }, /* Bf */
1.107 schwarze 179: { termp_quote_pre, termp_quote_post }, /* Bo */
180: { termp_quote_pre, termp_quote_post }, /* Bq */
1.26 schwarze 181: { termp_xx_pre, NULL }, /* Bsx */
1.126 schwarze 182: { termp_bx_pre, NULL }, /* Bx */
1.1 kristaps 183: { NULL, NULL }, /* Db */
184: { NULL, NULL }, /* Dc */
1.107 schwarze 185: { termp_quote_pre, termp_quote_post }, /* Do */
186: { termp_quote_pre, termp_quote_post }, /* Dq */
1.73 schwarze 187: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 188: { NULL, NULL }, /* Ef */
1.54 schwarze 189: { termp_under_pre, NULL }, /* Em */
1.139 schwarze 190: { termp_quote_pre, termp_quote_post }, /* Eo */
1.26 schwarze 191: { termp_xx_pre, NULL }, /* Fx */
1.98 schwarze 192: { termp_bold_pre, NULL }, /* Ms */
1.109 schwarze 193: { termp_igndelim_pre, NULL }, /* No */
1.1 kristaps 194: { termp_ns_pre, NULL }, /* Ns */
1.26 schwarze 195: { termp_xx_pre, NULL }, /* Nx */
196: { termp_xx_pre, NULL }, /* Ox */
1.1 kristaps 197: { NULL, NULL }, /* Pc */
1.109 schwarze 198: { termp_igndelim_pre, termp_pf_post }, /* Pf */
1.107 schwarze 199: { termp_quote_pre, termp_quote_post }, /* Po */
200: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 201: { NULL, NULL }, /* Qc */
1.107 schwarze 202: { termp_quote_pre, termp_quote_post }, /* Ql */
203: { termp_quote_pre, termp_quote_post }, /* Qo */
204: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 205: { NULL, NULL }, /* Re */
206: { termp_rs_pre, NULL }, /* Rs */
207: { NULL, NULL }, /* Sc */
1.107 schwarze 208: { termp_quote_pre, termp_quote_post }, /* So */
209: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 210: { termp_sm_pre, NULL }, /* Sm */
1.54 schwarze 211: { termp_under_pre, NULL }, /* Sx */
212: { termp_bold_pre, NULL }, /* Sy */
1.1 kristaps 213: { NULL, NULL }, /* Tn */
1.26 schwarze 214: { termp_xx_pre, NULL }, /* Ux */
1.1 kristaps 215: { NULL, NULL }, /* Xc */
216: { NULL, NULL }, /* Xo */
217: { termp_fo_pre, termp_fo_post }, /* Fo */
218: { NULL, NULL }, /* Fc */
1.107 schwarze 219: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 220: { NULL, NULL }, /* Oc */
1.90 schwarze 221: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 222: { NULL, NULL }, /* Ek */
223: { termp_bt_pre, NULL }, /* Bt */
224: { NULL, NULL }, /* Hf */
225: { NULL, NULL }, /* Fr */
226: { termp_ud_pre, NULL }, /* Ud */
1.32 schwarze 227: { NULL, termp_lb_post }, /* Lb */
1.54 schwarze 228: { termp_sp_pre, NULL }, /* Lp */
1.1 kristaps 229: { termp_lk_pre, NULL }, /* Lk */
1.54 schwarze 230: { termp_under_pre, NULL }, /* Mt */
1.107 schwarze 231: { termp_quote_pre, termp_quote_post }, /* Brq */
232: { termp_quote_pre, termp_quote_post }, /* Bro */
1.1 kristaps 233: { NULL, NULL }, /* Brc */
1.58 schwarze 234: { NULL, termp____post }, /* %C */
235: { NULL, NULL }, /* Es */ /* TODO */
236: { NULL, NULL }, /* En */ /* TODO */
1.26 schwarze 237: { termp_xx_pre, NULL }, /* Dx */
1.58 schwarze 238: { NULL, termp____post }, /* %Q */
1.54 schwarze 239: { termp_sp_pre, NULL }, /* br */
1.38 schwarze 240: { termp_sp_pre, NULL }, /* sp */
1.145 schwarze 241: { NULL, termp____post }, /* %U */
1.85 schwarze 242: { NULL, NULL }, /* Ta */
1.1 kristaps 243: };
244:
245:
1.55 schwarze 246: void
1.61 schwarze 247: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1 kristaps 248: {
1.55 schwarze 249: const struct mdoc_node *n;
1.147 schwarze 250: const struct mdoc_meta *meta;
1.61 schwarze 251: struct termp *p;
252:
253: p = (struct termp *)arg;
1.71 schwarze 254:
1.140 schwarze 255: if (0 == p->defindent)
256: p->defindent = 5;
257:
1.71 schwarze 258: p->overstep = 0;
1.80 schwarze 259: p->maxrmargin = p->defrmargin;
1.89 schwarze 260: p->tabwidth = term_len(p, 5);
1.61 schwarze 261:
262: if (NULL == p->symtab)
1.133 schwarze 263: p->symtab = mchars_alloc();
1.55 schwarze 264:
265: n = mdoc_node(mdoc);
1.147 schwarze 266: meta = mdoc_meta(mdoc);
1.55 schwarze 267:
1.147 schwarze 268: term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
1.87 schwarze 269:
1.55 schwarze 270: if (n->child)
1.147 schwarze 271: print_mdoc_nodelist(p, NULL, meta, n->child);
1.87 schwarze 272:
273: term_end(p);
1.1 kristaps 274: }
275:
276:
277: static void
1.65 schwarze 278: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 279: {
280:
1.147 schwarze 281: print_mdoc_node(p, pair, meta, n);
1.60 schwarze 282: if (n->next)
1.147 schwarze 283: print_mdoc_nodelist(p, pair, meta, n->next);
1.1 kristaps 284: }
285:
286:
1.54 schwarze 287: /* ARGSUSED */
1.1 kristaps 288: static void
1.65 schwarze 289: print_mdoc_node(DECL_ARGS)
1.1 kristaps 290: {
1.65 schwarze 291: int chld;
1.1 kristaps 292: struct termpair npair;
1.28 schwarze 293: size_t offset, rmargin;
1.1 kristaps 294:
1.54 schwarze 295: chld = 1;
1.28 schwarze 296: offset = p->offset;
297: rmargin = p->rmargin;
1.146 schwarze 298: n->prev_font = term_fontq(p);
1.1 kristaps 299:
1.63 schwarze 300: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 301: npair.ppair = pair;
1.65 schwarze 302:
1.95 schwarze 303: /*
304: * Keeps only work until the end of a line. If a keep was
305: * invoked in a prior line, revert it to PREKEEP.
1.116 schwarze 306: *
307: * Also let SYNPRETTY sections behave as if they were wrapped
308: * in a `Bk' block.
1.95 schwarze 309: */
310:
1.116 schwarze 311: if (TERMP_KEEP & p->flags || MDOC_SYNPRETTY & n->flags) {
1.95 schwarze 312: if (n->prev && n->prev->line != n->line) {
313: p->flags &= ~TERMP_KEEP;
314: p->flags |= TERMP_PREKEEP;
315: } else if (NULL == n->prev) {
316: if (n->parent && n->parent->line != n->line) {
317: p->flags &= ~TERMP_KEEP;
318: p->flags |= TERMP_PREKEEP;
319: }
320: }
321: }
1.116 schwarze 322:
323: /*
324: * Since SYNPRETTY sections aren't "turned off" with `Ek',
325: * we have to intuit whether we should disable formatting.
326: */
327:
328: if ( ! (MDOC_SYNPRETTY & n->flags) &&
329: ((n->prev && MDOC_SYNPRETTY & n->prev->flags) ||
330: (n->parent && MDOC_SYNPRETTY & n->parent->flags)))
331: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.128 schwarze 332:
333: /*
334: * After the keep flags have been set up, we may now
335: * produce output. Note that some pre-handlers do so.
336: */
337:
338: switch (n->type) {
339: case (MDOC_TEXT):
340: if (' ' == *n->string && MDOC_LINE & n->flags)
341: term_newln(p);
1.132 schwarze 342: if (MDOC_DELIMC & n->flags)
343: p->flags |= TERMP_NOSPACE;
1.128 schwarze 344: term_word(p, n->string);
1.132 schwarze 345: if (MDOC_DELIMO & n->flags)
346: p->flags |= TERMP_NOSPACE;
1.128 schwarze 347: break;
1.131 schwarze 348: case (MDOC_EQN):
1.135 schwarze 349: term_eqn(p, n->eqn);
1.131 schwarze 350: break;
1.128 schwarze 351: case (MDOC_TBL):
352: term_tbl(p, n->span);
353: break;
354: default:
355: if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
356: chld = (*termacts[n->tok].pre)
1.147 schwarze 357: (p, &npair, meta, n);
1.128 schwarze 358: break;
359: }
1.95 schwarze 360:
1.60 schwarze 361: if (chld && n->child)
1.147 schwarze 362: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 363:
1.146 schwarze 364: term_fontpopq(p,
365: (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.1 kristaps 366:
1.122 schwarze 367: switch (n->type) {
368: case (MDOC_TEXT):
369: break;
370: case (MDOC_TBL):
1.131 schwarze 371: break;
372: case (MDOC_EQN):
1.122 schwarze 373: break;
374: default:
375: if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
376: break;
1.147 schwarze 377: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.93 schwarze 378:
379: /*
380: * Explicit end tokens not only call the post
381: * handler, but also tell the respective block
382: * that it must not call the post handler again.
383: */
1.95 schwarze 384: if (ENDBODY_NOT != n->end)
1.93 schwarze 385: n->pending->flags |= MDOC_ENDED;
386:
387: /*
388: * End of line terminating an implicit block
389: * while an explicit block is still open.
390: * Continue the explicit block without spacing.
391: */
392: if (ENDBODY_NOSPACE == n->end)
393: p->flags |= TERMP_NOSPACE;
1.122 schwarze 394: break;
1.93 schwarze 395: }
1.28 schwarze 396:
1.78 schwarze 397: if (MDOC_EOS & n->flags)
398: p->flags |= TERMP_SENTENCE;
399:
1.28 schwarze 400: p->offset = offset;
401: p->rmargin = rmargin;
1.1 kristaps 402: }
403:
404:
405: static void
1.87 schwarze 406: print_mdoc_foot(struct termp *p, const void *arg)
1.1 kristaps 407: {
1.147 schwarze 408: const struct mdoc_meta *meta;
1.87 schwarze 409:
1.147 schwarze 410: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 411:
1.65 schwarze 412: term_fontrepl(p, TERMFONT_NONE);
413:
1.7 schwarze 414: /*
415: * Output the footer in new-groff style, that is, three columns
416: * with the middle being the manual date and flanking columns
417: * being the operating system:
418: *
419: * SYSTEM DATE SYSTEM
420: */
421:
1.1 kristaps 422: term_vspace(p);
423:
1.7 schwarze 424: p->offset = 0;
1.89 schwarze 425: p->rmargin = (p->maxrmargin -
1.147 schwarze 426: term_strlen(p, meta->date) + term_len(p, 1)) / 2;
1.1 kristaps 427: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
428:
1.147 schwarze 429: term_word(p, meta->os);
1.1 kristaps 430: term_flushln(p);
431:
1.7 schwarze 432: p->offset = p->rmargin;
1.147 schwarze 433: p->rmargin = p->maxrmargin - term_strlen(p, meta->os);
1.136 schwarze 434: p->flags |= TERMP_NOSPACE;
1.7 schwarze 435:
1.147 schwarze 436: term_word(p, meta->date);
1.7 schwarze 437: term_flushln(p);
438:
1.1 kristaps 439: p->offset = p->rmargin;
440: p->rmargin = p->maxrmargin;
441: p->flags &= ~TERMP_NOBREAK;
1.136 schwarze 442: p->flags |= TERMP_NOSPACE;
1.1 kristaps 443:
1.147 schwarze 444: term_word(p, meta->os);
1.1 kristaps 445: term_flushln(p);
1.7 schwarze 446:
447: p->offset = 0;
448: p->rmargin = p->maxrmargin;
449: p->flags = 0;
1.1 kristaps 450: }
451:
452:
453: static void
1.87 schwarze 454: print_mdoc_head(struct termp *p, const void *arg)
1.1 kristaps 455: {
1.63 schwarze 456: char buf[BUFSIZ], title[BUFSIZ];
1.137 schwarze 457: size_t buflen, titlen;
1.147 schwarze 458: const struct mdoc_meta *meta;
1.87 schwarze 459:
1.147 schwarze 460: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 461:
462: /*
463: * The header is strange. It has three components, which are
464: * really two with the first duplicated. It goes like this:
465: *
466: * IDENTIFIER TITLE IDENTIFIER
467: *
468: * The IDENTIFIER is NAME(SECTION), which is the command-name
469: * (if given, or "unknown" if not) followed by the manual page
470: * section. These are given in `Dt'. The TITLE is a free-form
471: * string depending on the manual volume. If not specified, it
472: * switches on the manual section.
473: */
474:
1.137 schwarze 475: p->offset = 0;
476: p->rmargin = p->maxrmargin;
477:
1.147 schwarze 478: assert(meta->vol);
479: strlcpy(buf, meta->vol, BUFSIZ);
1.137 schwarze 480: buflen = term_strlen(p, buf);
1.1 kristaps 481:
1.147 schwarze 482: if (meta->arch) {
1.63 schwarze 483: strlcat(buf, " (", BUFSIZ);
1.147 schwarze 484: strlcat(buf, meta->arch, BUFSIZ);
1.63 schwarze 485: strlcat(buf, ")", BUFSIZ);
1.1 kristaps 486: }
487:
1.147 schwarze 488: snprintf(title, BUFSIZ, "%s(%s)", meta->title, meta->msec);
1.137 schwarze 489: titlen = term_strlen(p, title);
1.1 kristaps 490:
1.137 schwarze 491: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.1 kristaps 492: p->offset = 0;
1.137 schwarze 493: p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
494: (p->maxrmargin -
495: term_strlen(p, buf) + term_len(p, 1)) / 2 :
496: p->maxrmargin - buflen;
1.1 kristaps 497:
498: term_word(p, title);
499: term_flushln(p);
500:
1.137 schwarze 501: p->flags |= TERMP_NOSPACE;
1.1 kristaps 502: p->offset = p->rmargin;
1.137 schwarze 503: p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
504: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 505:
506: term_word(p, buf);
507: term_flushln(p);
508:
509: p->flags &= ~TERMP_NOBREAK;
1.137 schwarze 510: if (p->rmargin + titlen <= p->maxrmargin) {
511: p->flags |= TERMP_NOSPACE;
512: p->offset = p->rmargin;
513: p->rmargin = p->maxrmargin;
514: term_word(p, title);
515: term_flushln(p);
516: }
1.1 kristaps 517:
1.137 schwarze 518: p->flags &= ~TERMP_NOSPACE;
1.8 schwarze 519: p->offset = 0;
1.1 kristaps 520: p->rmargin = p->maxrmargin;
521: }
522:
523:
524: static size_t
1.89 schwarze 525: a2height(const struct termp *p, const char *v)
1.1 kristaps 526: {
1.61 schwarze 527: struct roffsu su;
1.1 kristaps 528:
1.134 schwarze 529:
1.89 schwarze 530: assert(v);
531: if ( ! a2roffsu(v, &su, SCALE_VS))
1.134 schwarze 532: SCALE_VS_INIT(&su, atoi(v));
1.1 kristaps 533:
1.89 schwarze 534: return(term_vspan(p, &su));
1.61 schwarze 535: }
1.34 schwarze 536:
1.1 kristaps 537:
1.61 schwarze 538: static size_t
1.89 schwarze 539: a2width(const struct termp *p, const char *v)
1.61 schwarze 540: {
541: struct roffsu su;
1.1 kristaps 542:
1.88 schwarze 543: assert(v);
544: if ( ! a2roffsu(v, &su, SCALE_MAX))
1.89 schwarze 545: SCALE_HS_INIT(&su, term_strlen(p, v));
1.1 kristaps 546:
1.89 schwarze 547: return(term_hspan(p, &su));
1.1 kristaps 548: }
549:
550:
551: static size_t
1.89 schwarze 552: a2offs(const struct termp *p, const char *v)
1.1 kristaps 553: {
1.61 schwarze 554: struct roffsu su;
1.1 kristaps 555:
1.88 schwarze 556: if ('\0' == *v)
1.61 schwarze 557: return(0);
1.88 schwarze 558: else if (0 == strcmp(v, "left"))
1.9 schwarze 559: return(0);
1.88 schwarze 560: else if (0 == strcmp(v, "indent"))
1.140 schwarze 561: return(term_len(p, p->defindent + 1));
1.88 schwarze 562: else if (0 == strcmp(v, "indent-two"))
1.140 schwarze 563: return(term_len(p, (p->defindent + 1) * 2));
1.88 schwarze 564: else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.89 schwarze 565: SCALE_HS_INIT(&su, term_strlen(p, v));
1.10 schwarze 566:
1.89 schwarze 567: return(term_hspan(p, &su));
1.1 kristaps 568: }
569:
570:
1.68 schwarze 571: /*
572: * Determine how much space to print out before block elements of `It'
573: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
574: * too.
575: */
1.45 schwarze 576: static void
1.61 schwarze 577: print_bvspace(struct termp *p,
1.1 kristaps 578: const struct mdoc_node *bl,
1.60 schwarze 579: const struct mdoc_node *n)
1.1 kristaps 580: {
1.60 schwarze 581: const struct mdoc_node *nn;
1.138 schwarze 582:
583: assert(n);
1.1 kristaps 584:
585: term_newln(p);
1.88 schwarze 586:
1.121 schwarze 587: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.88 schwarze 588: return;
1.121 schwarze 589: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.45 schwarze 590: return;
591:
1.60 schwarze 592: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 593:
1.60 schwarze 594: for (nn = n; nn; nn = nn->parent) {
595: if (MDOC_BLOCK != nn->type)
1.1 kristaps 596: continue;
1.60 schwarze 597: if (MDOC_Ss == nn->tok)
1.45 schwarze 598: return;
1.60 schwarze 599: if (MDOC_Sh == nn->tok)
1.45 schwarze 600: return;
1.60 schwarze 601: if (NULL == nn->prev)
1.1 kristaps 602: continue;
603: break;
604: }
605:
1.60 schwarze 606: /* A `-column' does not assert vspace within the list. */
1.45 schwarze 607:
1.121 schwarze 608: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.60 schwarze 609: if (n->prev && MDOC_It == n->prev->tok)
1.45 schwarze 610: return;
611:
1.60 schwarze 612: /* A `-diag' without body does not vspace. */
613:
1.121 schwarze 614: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.60 schwarze 615: if (n->prev && MDOC_It == n->prev->tok) {
616: assert(n->prev->body);
617: if (NULL == n->prev->body->child)
1.45 schwarze 618: return;
619: }
620:
621: term_vspace(p);
1.1 kristaps 622: }
623:
624:
625: /* ARGSUSED */
626: static int
627: termp_it_pre(DECL_ARGS)
628: {
1.60 schwarze 629: const struct mdoc_node *bl, *nn;
1.1 kristaps 630: char buf[7];
1.95 schwarze 631: int i;
1.68 schwarze 632: size_t width, offset, ncols, dcol;
1.82 schwarze 633: enum mdoc_list type;
1.1 kristaps 634:
1.60 schwarze 635: if (MDOC_BLOCK == n->type) {
1.61 schwarze 636: print_bvspace(p, n->parent->parent, n);
1.45 schwarze 637: return(1);
638: }
1.1 kristaps 639:
1.60 schwarze 640: bl = n->parent->parent->parent;
1.121 schwarze 641: type = bl->norm->Bl.type;
1.1 kristaps 642:
1.68 schwarze 643: /*
644: * First calculate width and offset. This is pretty easy unless
645: * we're a -column list, in which case all prior columns must
646: * be accounted for.
647: */
648:
649: width = offset = 0;
650:
1.121 schwarze 651: if (bl->norm->Bl.offs)
652: offset = a2offs(p, bl->norm->Bl.offs);
1.66 schwarze 653:
1.1 kristaps 654: switch (type) {
1.82 schwarze 655: case (LIST_column):
1.85 schwarze 656: if (MDOC_HEAD == n->type)
1.1 kristaps 657: break;
1.88 schwarze 658:
1.66 schwarze 659: /*
1.68 schwarze 660: * Imitate groff's column handling:
661: * - For each earlier column, add its width.
662: * - For less than 5 columns, add four more blanks per
663: * column.
664: * - For exactly 5 columns, add three more blank per
665: * column.
666: * - For more than 5 columns, add only one column.
1.66 schwarze 667: */
1.121 schwarze 668: ncols = bl->norm->Bl.ncols;
1.95 schwarze 669:
1.68 schwarze 670: /* LINTED */
1.89 schwarze 671: dcol = ncols < 5 ? term_len(p, 4) :
672: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68 schwarze 673:
1.85 schwarze 674: /*
675: * Calculate the offset by applying all prior MDOC_BODY,
676: * so we stop at the MDOC_HEAD (NULL == nn->prev).
677: */
678:
1.68 schwarze 679: for (i = 0, nn = n->prev;
1.85 schwarze 680: nn->prev && i < (int)ncols;
1.68 schwarze 681: nn = nn->prev, i++)
682: offset += dcol + a2width
1.121 schwarze 683: (p, bl->norm->Bl.cols[i]);
1.66 schwarze 684:
685: /*
1.68 schwarze 686: * When exceeding the declared number of columns, leave
687: * the remaining widths at 0. This will later be
688: * adjusted to the default width of 10, or, for the last
689: * column, stretched to the right margin.
1.46 schwarze 690: */
1.68 schwarze 691: if (i >= (int)ncols)
692: break;
1.46 schwarze 693:
1.66 schwarze 694: /*
1.68 schwarze 695: * Use the declared column widths, extended as explained
696: * in the preceding paragraph.
1.66 schwarze 697: */
1.121 schwarze 698: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 699: break;
700: default:
1.121 schwarze 701: if (NULL == bl->norm->Bl.width)
1.68 schwarze 702: break;
703:
704: /*
705: * Note: buffer the width by 2, which is groff's magic
706: * number for buffering single arguments. See the above
707: * handling for column for how this changes.
708: */
1.121 schwarze 709: assert(bl->norm->Bl.width);
710: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1 kristaps 711: break;
712: }
713:
714: /*
715: * List-type can override the width in the case of fixed-head
716: * values (bullet, dash/hyphen, enum). Tags need a non-zero
1.53 schwarze 717: * offset.
1.1 kristaps 718: */
719:
720: switch (type) {
1.82 schwarze 721: case (LIST_bullet):
1.1 kristaps 722: /* FALLTHROUGH */
1.82 schwarze 723: case (LIST_dash):
1.1 kristaps 724: /* FALLTHROUGH */
1.82 schwarze 725: case (LIST_hyphen):
1.144 schwarze 726: /* FALLTHROUGH */
1.82 schwarze 727: case (LIST_enum):
1.144 schwarze 728: if (width < term_len(p, 2))
729: width = term_len(p, 2);
1.1 kristaps 730: break;
1.82 schwarze 731: case (LIST_hang):
1.33 schwarze 732: if (0 == width)
1.89 schwarze 733: width = term_len(p, 8);
1.33 schwarze 734: break;
1.82 schwarze 735: case (LIST_column):
1.41 schwarze 736: /* FALLTHROUGH */
1.82 schwarze 737: case (LIST_tag):
1.1 kristaps 738: if (0 == width)
1.89 schwarze 739: width = term_len(p, 10);
1.1 kristaps 740: break;
741: default:
742: break;
743: }
744:
745: /*
1.16 schwarze 746: * Whitespace control. Inset bodies need an initial space,
747: * while diagonal bodies need two.
1.1 kristaps 748: */
749:
1.42 schwarze 750: p->flags |= TERMP_NOSPACE;
751:
1.1 kristaps 752: switch (type) {
1.82 schwarze 753: case (LIST_diag):
1.60 schwarze 754: if (MDOC_BODY == n->type)
1.48 schwarze 755: term_word(p, "\\ \\ ");
1.42 schwarze 756: break;
1.82 schwarze 757: case (LIST_inset):
1.60 schwarze 758: if (MDOC_BODY == n->type)
1.42 schwarze 759: term_word(p, "\\ ");
1.1 kristaps 760: break;
761: default:
762: break;
763: }
764:
1.42 schwarze 765: p->flags |= TERMP_NOSPACE;
766:
1.1 kristaps 767: switch (type) {
1.82 schwarze 768: case (LIST_diag):
1.60 schwarze 769: if (MDOC_HEAD == n->type)
1.65 schwarze 770: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 771: break;
772: default:
773: break;
774: }
775:
776: /*
1.68 schwarze 777: * Pad and break control. This is the tricky part. These flags
778: * are documented in term_flushln() in term.c. Note that we're
779: * going to unset all of these flags in termp_it_post() when we
780: * exit.
1.1 kristaps 781: */
782:
783: switch (type) {
1.144 schwarze 784: case (LIST_enum):
785: /*
786: * Weird special case.
787: * Very narrow enum lists actually hang.
788: */
789: if (width == term_len(p, 2))
790: p->flags |= TERMP_HANG;
791: /* FALLTHROUGH */
1.82 schwarze 792: case (LIST_bullet):
1.1 kristaps 793: /* FALLTHROUGH */
1.82 schwarze 794: case (LIST_dash):
1.1 kristaps 795: /* FALLTHROUGH */
1.82 schwarze 796: case (LIST_hyphen):
1.60 schwarze 797: if (MDOC_HEAD == n->type)
1.33 schwarze 798: p->flags |= TERMP_NOBREAK;
799: break;
1.82 schwarze 800: case (LIST_hang):
1.60 schwarze 801: if (MDOC_HEAD == n->type)
1.33 schwarze 802: p->flags |= TERMP_NOBREAK;
803: else
1.47 schwarze 804: break;
805:
806: /*
807: * This is ugly. If `-hang' is specified and the body
808: * is a `Bl' or `Bd', then we want basically to nullify
809: * the "overstep" effect in term_flushln() and treat
810: * this as a `-ohang' list instead.
811: */
1.60 schwarze 812: if (n->next->child &&
813: (MDOC_Bl == n->next->child->tok ||
1.136 schwarze 814: MDOC_Bd == n->next->child->tok))
1.47 schwarze 815: p->flags &= ~TERMP_NOBREAK;
1.136 schwarze 816: else
1.33 schwarze 817: p->flags |= TERMP_HANG;
818: break;
1.82 schwarze 819: case (LIST_tag):
1.60 schwarze 820: if (MDOC_HEAD == n->type)
1.42 schwarze 821: p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.33 schwarze 822:
1.60 schwarze 823: if (MDOC_HEAD != n->type)
1.33 schwarze 824: break;
1.60 schwarze 825: if (NULL == n->next || NULL == n->next->child)
1.33 schwarze 826: p->flags |= TERMP_DANGLE;
1.1 kristaps 827: break;
1.82 schwarze 828: case (LIST_column):
1.85 schwarze 829: if (MDOC_HEAD == n->type)
830: break;
831:
832: if (NULL == n->next)
833: p->flags &= ~TERMP_NOBREAK;
834: else
835: p->flags |= TERMP_NOBREAK;
836:
1.1 kristaps 837: break;
1.82 schwarze 838: case (LIST_diag):
1.60 schwarze 839: if (MDOC_HEAD == n->type)
1.1 kristaps 840: p->flags |= TERMP_NOBREAK;
841: break;
842: default:
843: break;
844: }
845:
846: /*
847: * Margin control. Set-head-width lists have their right
848: * margins shortened. The body for these lists has the offset
849: * necessarily lengthened. Everybody gets the offset.
850: */
851:
852: p->offset += offset;
853:
854: switch (type) {
1.82 schwarze 855: case (LIST_hang):
1.47 schwarze 856: /*
857: * Same stipulation as above, regarding `-hang'. We
858: * don't want to recalculate rmargin and offsets when
859: * using `Bd' or `Bl' within `-hang' overstep lists.
860: */
1.60 schwarze 861: if (MDOC_HEAD == n->type && n->next->child &&
862: (MDOC_Bl == n->next->child->tok ||
863: MDOC_Bd == n->next->child->tok))
1.47 schwarze 864: break;
865: /* FALLTHROUGH */
1.82 schwarze 866: case (LIST_bullet):
1.1 kristaps 867: /* FALLTHROUGH */
1.82 schwarze 868: case (LIST_dash):
1.1 kristaps 869: /* FALLTHROUGH */
1.82 schwarze 870: case (LIST_enum):
1.1 kristaps 871: /* FALLTHROUGH */
1.82 schwarze 872: case (LIST_hyphen):
1.33 schwarze 873: /* FALLTHROUGH */
1.82 schwarze 874: case (LIST_tag):
1.41 schwarze 875: assert(width);
1.60 schwarze 876: if (MDOC_HEAD == n->type)
1.1 kristaps 877: p->rmargin = p->offset + width;
878: else
879: p->offset += width;
880: break;
1.82 schwarze 881: case (LIST_column):
1.41 schwarze 882: assert(width);
1.1 kristaps 883: p->rmargin = p->offset + width;
1.43 schwarze 884: /*
885: * XXX - this behaviour is not documented: the
886: * right-most column is filled to the right margin.
887: */
1.85 schwarze 888: if (MDOC_HEAD == n->type)
889: break;
890: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43 schwarze 891: p->rmargin = p->maxrmargin;
1.1 kristaps 892: break;
893: default:
894: break;
895: }
896:
897: /*
898: * The dash, hyphen, bullet and enum lists all have a special
1.12 schwarze 899: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 900: */
901:
1.60 schwarze 902: if (MDOC_HEAD == n->type)
1.1 kristaps 903: switch (type) {
1.82 schwarze 904: case (LIST_bullet):
1.65 schwarze 905: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 906: term_word(p, "\\[bu]");
1.65 schwarze 907: term_fontpop(p);
1.1 kristaps 908: break;
1.82 schwarze 909: case (LIST_dash):
1.1 kristaps 910: /* FALLTHROUGH */
1.82 schwarze 911: case (LIST_hyphen):
1.65 schwarze 912: term_fontpush(p, TERMFONT_BOLD);
1.35 schwarze 913: term_word(p, "\\(hy");
1.65 schwarze 914: term_fontpop(p);
1.1 kristaps 915: break;
1.82 schwarze 916: case (LIST_enum):
1.1 kristaps 917: (pair->ppair->ppair->count)++;
1.68 schwarze 918: snprintf(buf, sizeof(buf), "%d.",
1.1 kristaps 919: pair->ppair->ppair->count);
920: term_word(p, buf);
921: break;
922: default:
923: break;
924: }
1.12 schwarze 925:
1.1 kristaps 926: /*
927: * If we're not going to process our children, indicate so here.
928: */
929:
930: switch (type) {
1.82 schwarze 931: case (LIST_bullet):
1.1 kristaps 932: /* FALLTHROUGH */
1.82 schwarze 933: case (LIST_item):
1.1 kristaps 934: /* FALLTHROUGH */
1.82 schwarze 935: case (LIST_dash):
1.1 kristaps 936: /* FALLTHROUGH */
1.82 schwarze 937: case (LIST_hyphen):
1.1 kristaps 938: /* FALLTHROUGH */
1.82 schwarze 939: case (LIST_enum):
1.60 schwarze 940: if (MDOC_HEAD == n->type)
1.1 kristaps 941: return(0);
942: break;
1.82 schwarze 943: case (LIST_column):
1.85 schwarze 944: if (MDOC_HEAD == n->type)
1.1 kristaps 945: return(0);
946: break;
947: default:
948: break;
949: }
950:
951: return(1);
952: }
953:
954:
955: /* ARGSUSED */
956: static void
957: termp_it_post(DECL_ARGS)
958: {
1.82 schwarze 959: enum mdoc_list type;
1.1 kristaps 960:
1.68 schwarze 961: if (MDOC_BLOCK == n->type)
1.1 kristaps 962: return;
963:
1.121 schwarze 964: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 965:
966: switch (type) {
1.82 schwarze 967: case (LIST_item):
1.44 schwarze 968: /* FALLTHROUGH */
1.82 schwarze 969: case (LIST_diag):
1.1 kristaps 970: /* FALLTHROUGH */
1.82 schwarze 971: case (LIST_inset):
1.60 schwarze 972: if (MDOC_BODY == n->type)
1.74 schwarze 973: term_newln(p);
1.1 kristaps 974: break;
1.82 schwarze 975: case (LIST_column):
1.85 schwarze 976: if (MDOC_BODY == n->type)
1.1 kristaps 977: term_flushln(p);
978: break;
979: default:
1.74 schwarze 980: term_newln(p);
1.1 kristaps 981: break;
982: }
983:
1.68 schwarze 984: /*
985: * Now that our output is flushed, we can reset our tags. Since
986: * only `It' sets these flags, we're free to assume that nobody
987: * has munged them in the meanwhile.
988: */
989:
990: p->flags &= ~TERMP_DANGLE;
991: p->flags &= ~TERMP_NOBREAK;
992: p->flags &= ~TERMP_TWOSPACE;
993: p->flags &= ~TERMP_HANG;
1.1 kristaps 994: }
995:
996:
997: /* ARGSUSED */
998: static int
999: termp_nm_pre(DECL_ARGS)
1000: {
1001:
1.94 schwarze 1002: if (MDOC_BLOCK == n->type)
1003: return(1);
1004:
1005: if (MDOC_BODY == n->type) {
1006: if (NULL == n->child)
1007: return(0);
1.136 schwarze 1008: p->flags |= TERMP_NOSPACE;
1.94 schwarze 1009: p->offset += term_len(p, 1) +
1.147 schwarze 1010: (NULL == n->prev->child ?
1011: term_strlen(p, meta->name) :
1.94 schwarze 1012: MDOC_TEXT == n->prev->child->type ?
1.147 schwarze 1013: term_strlen(p, n->prev->child->string) :
1.94 schwarze 1014: term_len(p, 5));
1015: return(1);
1016: }
1017:
1.147 schwarze 1018: if (NULL == n->child && NULL == meta->name)
1.94 schwarze 1019: return(0);
1.81 schwarze 1020:
1.97 schwarze 1021: if (MDOC_HEAD == n->type)
1022: synopsis_pre(p, n->parent);
1.65 schwarze 1023:
1.94 schwarze 1024: if (MDOC_HEAD == n->type && n->next->child) {
1.105 schwarze 1025: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1026: p->rmargin = p->offset + term_len(p, 1);
1027: if (NULL == n->child) {
1.147 schwarze 1028: p->rmargin += term_strlen(p, meta->name);
1.105 schwarze 1029: } else if (MDOC_TEXT == n->child->type) {
1030: p->rmargin += term_strlen(p, n->child->string);
1031: if (n->child->next)
1032: p->flags |= TERMP_HANG;
1033: } else {
1034: p->rmargin += term_len(p, 5);
1035: p->flags |= TERMP_HANG;
1036: }
1.94 schwarze 1037: }
1038:
1.65 schwarze 1039: term_fontpush(p, TERMFONT_BOLD);
1.60 schwarze 1040: if (NULL == n->child)
1.147 schwarze 1041: term_word(p, meta->name);
1.1 kristaps 1042: return(1);
1043: }
1044:
1045:
1.94 schwarze 1046: /* ARGSUSED */
1047: static void
1048: termp_nm_post(DECL_ARGS)
1049: {
1050:
1051: if (MDOC_HEAD == n->type && n->next->child) {
1052: term_flushln(p);
1053: p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
1.136 schwarze 1054: } else if (MDOC_BODY == n->type && n->child)
1.94 schwarze 1055: term_flushln(p);
1056: }
1057:
1058:
1.1 kristaps 1059: /* ARGSUSED */
1060: static int
1061: termp_fl_pre(DECL_ARGS)
1062: {
1063:
1.65 schwarze 1064: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1065: term_word(p, "\\-");
1.67 schwarze 1066:
1067: if (n->child)
1068: p->flags |= TERMP_NOSPACE;
1.73 schwarze 1069: else if (n->next && n->next->line == n->line)
1070: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1071:
1.1 kristaps 1072: return(1);
1.49 schwarze 1073: }
1074:
1075:
1076: /* ARGSUSED */
1077: static int
1.104 schwarze 1078: termp__a_pre(DECL_ARGS)
1079: {
1080:
1081: if (n->prev && MDOC__A == n->prev->tok)
1082: if (NULL == n->next || MDOC__A != n->next->tok)
1083: term_word(p, "and");
1084:
1085: return(1);
1086: }
1087:
1088:
1089: /* ARGSUSED */
1090: static int
1.49 schwarze 1091: termp_an_pre(DECL_ARGS)
1092: {
1093:
1.60 schwarze 1094: if (NULL == n->child)
1.49 schwarze 1095: return(1);
1096:
1097: /*
1.60 schwarze 1098: * If not in the AUTHORS section, `An -split' will cause
1099: * newlines to occur before the author name. If in the AUTHORS
1100: * section, by default, the first `An' invocation is nosplit,
1101: * then all subsequent ones, regardless of whether interspersed
1102: * with other macros/text, are split. -split, in this case,
1103: * will override the condition of the implied first -nosplit.
1.49 schwarze 1104: */
1105:
1.60 schwarze 1106: if (n->sec == SEC_AUTHORS) {
1.49 schwarze 1107: if ( ! (TERMP_ANPREC & p->flags)) {
1108: if (TERMP_SPLIT & p->flags)
1109: term_newln(p);
1110: return(1);
1111: }
1112: if (TERMP_NOSPLIT & p->flags)
1113: return(1);
1114: term_newln(p);
1115: return(1);
1116: }
1117:
1118: if (TERMP_SPLIT & p->flags)
1119: term_newln(p);
1120:
1121: return(1);
1122: }
1123:
1124:
1125: /* ARGSUSED */
1126: static void
1127: termp_an_post(DECL_ARGS)
1128: {
1129:
1.60 schwarze 1130: if (n->child) {
1131: if (SEC_AUTHORS == n->sec)
1.49 schwarze 1132: p->flags |= TERMP_ANPREC;
1133: return;
1134: }
1135:
1.121 schwarze 1136: if (AUTH_split == n->norm->An.auth) {
1.49 schwarze 1137: p->flags &= ~TERMP_NOSPLIT;
1138: p->flags |= TERMP_SPLIT;
1.121 schwarze 1139: } else if (AUTH_nosplit == n->norm->An.auth) {
1.49 schwarze 1140: p->flags &= ~TERMP_SPLIT;
1141: p->flags |= TERMP_NOSPLIT;
1142: }
1143:
1.1 kristaps 1144: }
1145:
1146:
1147: /* ARGSUSED */
1148: static int
1149: termp_ns_pre(DECL_ARGS)
1150: {
1151:
1.127 schwarze 1152: if ( ! (MDOC_LINE & n->flags))
1153: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1154: return(1);
1155: }
1156:
1157:
1158: /* ARGSUSED */
1159: static int
1160: termp_rs_pre(DECL_ARGS)
1161: {
1162:
1.60 schwarze 1163: if (SEC_SEE_ALSO != n->sec)
1.57 schwarze 1164: return(1);
1.60 schwarze 1165: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1166: term_vspace(p);
1167: return(1);
1168: }
1169:
1170:
1171: /* ARGSUSED */
1172: static int
1173: termp_rv_pre(DECL_ARGS)
1174: {
1.132 schwarze 1175: int nchild;
1.1 kristaps 1176:
1177: term_newln(p);
1178: term_word(p, "The");
1179:
1.132 schwarze 1180: nchild = n->nchild;
1181: for (n = n->child; n; n = n->next) {
1.65 schwarze 1182: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1183: term_word(p, n->string);
1.65 schwarze 1184: term_fontpop(p);
1.132 schwarze 1185:
1.53 schwarze 1186: p->flags |= TERMP_NOSPACE;
1.132 schwarze 1187: term_word(p, "()");
1188:
1189: if (nchild > 2 && n->next) {
1190: p->flags |= TERMP_NOSPACE;
1191: term_word(p, ",");
1192: }
1193:
1194: if (n->next && NULL == n->next->next)
1195: term_word(p, "and");
1.53 schwarze 1196: }
1197:
1.132 schwarze 1198: if (nchild > 1)
1.53 schwarze 1199: term_word(p, "functions return");
1200: else
1201: term_word(p, "function returns");
1.1 kristaps 1202:
1.53 schwarze 1203: term_word(p, "the value 0 if successful; otherwise the value "
1204: "-1 is returned and the global variable");
1.1 kristaps 1205:
1.65 schwarze 1206: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1207: term_word(p, "errno");
1.65 schwarze 1208: term_fontpop(p);
1.1 kristaps 1209:
1210: term_word(p, "is set to indicate the error.");
1.84 schwarze 1211: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1212:
1.53 schwarze 1213: return(0);
1.1 kristaps 1214: }
1215:
1216:
1217: /* ARGSUSED */
1218: static int
1219: termp_ex_pre(DECL_ARGS)
1220: {
1.132 schwarze 1221: int nchild;
1.1 kristaps 1222:
1.132 schwarze 1223: term_newln(p);
1.53 schwarze 1224: term_word(p, "The");
1.1 kristaps 1225:
1.132 schwarze 1226: nchild = n->nchild;
1227: for (n = n->child; n; n = n->next) {
1.65 schwarze 1228: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1229: term_word(p, n->string);
1.65 schwarze 1230: term_fontpop(p);
1.132 schwarze 1231:
1232: if (nchild > 2 && n->next) {
1233: p->flags |= TERMP_NOSPACE;
1.53 schwarze 1234: term_word(p, ",");
1.132 schwarze 1235: }
1236:
1237: if (n->next && NULL == n->next->next)
1238: term_word(p, "and");
1.53 schwarze 1239: }
1240:
1.132 schwarze 1241: if (nchild > 1)
1.53 schwarze 1242: term_word(p, "utilities exit");
1243: else
1244: term_word(p, "utility exits");
1245:
1246: term_word(p, "0 on success, and >0 if an error occurs.");
1.132 schwarze 1247:
1.84 schwarze 1248: p->flags |= TERMP_SENTENCE;
1.53 schwarze 1249: return(0);
1.1 kristaps 1250: }
1251:
1252:
1253: /* ARGSUSED */
1254: static int
1255: termp_nd_pre(DECL_ARGS)
1256: {
1.25 schwarze 1257:
1.60 schwarze 1258: if (MDOC_BODY != n->type)
1.25 schwarze 1259: return(1);
1260:
1261: #if defined(__OpenBSD__) || defined(__linux__)
1262: term_word(p, "\\(en");
1.24 schwarze 1263: #else
1264: term_word(p, "\\(em");
1265: #endif
1.1 kristaps 1266: return(1);
1267: }
1268:
1269:
1270: /* ARGSUSED */
1.73 schwarze 1271: static int
1272: termp_bl_pre(DECL_ARGS)
1273: {
1274:
1275: return(MDOC_HEAD != n->type);
1276: }
1277:
1278:
1279: /* ARGSUSED */
1.1 kristaps 1280: static void
1281: termp_bl_post(DECL_ARGS)
1282: {
1283:
1.60 schwarze 1284: if (MDOC_BLOCK == n->type)
1.1 kristaps 1285: term_newln(p);
1286: }
1287:
1288: /* ARGSUSED */
1289: static int
1290: termp_xr_pre(DECL_ARGS)
1291: {
1292:
1.132 schwarze 1293: if (NULL == (n = n->child))
1.72 schwarze 1294: return(0);
1295:
1.132 schwarze 1296: assert(MDOC_TEXT == n->type);
1297: term_word(p, n->string);
1.10 schwarze 1298:
1.132 schwarze 1299: if (NULL == (n = n->next))
1.1 kristaps 1300: return(0);
1.132 schwarze 1301:
1.1 kristaps 1302: p->flags |= TERMP_NOSPACE;
1303: term_word(p, "(");
1.132 schwarze 1304: p->flags |= TERMP_NOSPACE;
1305:
1306: assert(MDOC_TEXT == n->type);
1307: term_word(p, n->string);
1308:
1309: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1310: term_word(p, ")");
1.60 schwarze 1311:
1.1 kristaps 1312: return(0);
1313: }
1314:
1.86 schwarze 1315: /*
1316: * This decides how to assert whitespace before any of the SYNOPSIS set
1317: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1318: * macro combos).
1319: */
1320: static void
1321: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1322: {
1323: /*
1324: * Obviously, if we're not in a SYNOPSIS or no prior macros
1325: * exist, do nothing.
1326: */
1.92 schwarze 1327: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.86 schwarze 1328: return;
1329:
1330: /*
1331: * If we're the second in a pair of like elements, emit our
1332: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1333: * case we soldier on.
1334: */
1335: if (n->prev->tok == n->tok &&
1336: MDOC_Ft != n->tok &&
1337: MDOC_Fo != n->tok &&
1338: MDOC_Fn != n->tok) {
1339: term_newln(p);
1340: return;
1341: }
1342:
1343: /*
1344: * If we're one of the SYNOPSIS set and non-like pair-wise after
1345: * another (or Fn/Fo, which we've let slip through) then assert
1346: * vertical space, else only newline and move on.
1347: */
1348: switch (n->prev->tok) {
1349: case (MDOC_Fd):
1350: /* FALLTHROUGH */
1351: case (MDOC_Fn):
1352: /* FALLTHROUGH */
1353: case (MDOC_Fo):
1354: /* FALLTHROUGH */
1355: case (MDOC_In):
1356: /* FALLTHROUGH */
1357: case (MDOC_Vt):
1358: term_vspace(p);
1359: break;
1360: case (MDOC_Ft):
1361: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1362: term_vspace(p);
1363: break;
1364: }
1365: /* FALLTHROUGH */
1366: default:
1367: term_newln(p);
1368: break;
1369: }
1370: }
1371:
1372:
1.69 schwarze 1373: static int
1374: termp_vt_pre(DECL_ARGS)
1375: {
1376:
1.86 schwarze 1377: if (MDOC_ELEM == n->type) {
1378: synopsis_pre(p, n);
1.147 schwarze 1379: return(termp_under_pre(p, pair, meta, n));
1.86 schwarze 1380: } else if (MDOC_BLOCK == n->type) {
1381: synopsis_pre(p, n);
1382: return(1);
1383: } else if (MDOC_HEAD == n->type)
1.69 schwarze 1384: return(0);
1385:
1.147 schwarze 1386: return(termp_under_pre(p, pair, meta, n));
1.69 schwarze 1387: }
1388:
1389:
1.1 kristaps 1390: /* ARGSUSED */
1391: static int
1.54 schwarze 1392: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1393: {
1394:
1.65 schwarze 1395: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1396: return(1);
1397: }
1398:
1399:
1400: /* ARGSUSED */
1.86 schwarze 1401: static int
1402: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1403: {
1404:
1.86 schwarze 1405: synopsis_pre(p, n);
1.147 schwarze 1406: return(termp_bold_pre(p, pair, meta, n));
1.1 kristaps 1407: }
1408:
1409:
1410: /* ARGSUSED */
1.143 schwarze 1411: static void
1412: termp_fd_post(DECL_ARGS)
1413: {
1414:
1415: term_newln(p);
1416: }
1417:
1418:
1419: /* ARGSUSED */
1.1 kristaps 1420: static int
1421: termp_sh_pre(DECL_ARGS)
1422: {
1.60 schwarze 1423:
1424: /* No vspace between consecutive `Sh' calls. */
1425:
1426: switch (n->type) {
1.52 schwarze 1427: case (MDOC_BLOCK):
1.60 schwarze 1428: if (n->prev && MDOC_Sh == n->prev->tok)
1429: if (NULL == n->prev->body->child)
1.52 schwarze 1430: break;
1431: term_vspace(p);
1432: break;
1.1 kristaps 1433: case (MDOC_HEAD):
1.65 schwarze 1434: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1435: break;
1436: case (MDOC_BODY):
1.140 schwarze 1437: p->offset = term_len(p, p->defindent);
1.141 schwarze 1438: if (SEC_AUTHORS == n->sec)
1439: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1440: break;
1441: default:
1442: break;
1443: }
1444: return(1);
1445: }
1446:
1447:
1448: /* ARGSUSED */
1449: static void
1450: termp_sh_post(DECL_ARGS)
1451: {
1452:
1.60 schwarze 1453: switch (n->type) {
1.1 kristaps 1454: case (MDOC_HEAD):
1455: term_newln(p);
1456: break;
1457: case (MDOC_BODY):
1458: term_newln(p);
1459: p->offset = 0;
1460: break;
1461: default:
1462: break;
1463: }
1464: }
1465:
1466:
1467: /* ARGSUSED */
1468: static int
1469: termp_bt_pre(DECL_ARGS)
1470: {
1471:
1472: term_word(p, "is currently in beta test.");
1.84 schwarze 1473: p->flags |= TERMP_SENTENCE;
1.59 schwarze 1474: return(0);
1.1 kristaps 1475: }
1476:
1477:
1478: /* ARGSUSED */
1479: static void
1480: termp_lb_post(DECL_ARGS)
1481: {
1482:
1.77 schwarze 1483: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.57 schwarze 1484: term_newln(p);
1.1 kristaps 1485: }
1486:
1487:
1488: /* ARGSUSED */
1489: static int
1490: termp_ud_pre(DECL_ARGS)
1491: {
1492:
1493: term_word(p, "currently under development.");
1.84 schwarze 1494: p->flags |= TERMP_SENTENCE;
1.60 schwarze 1495: return(0);
1.1 kristaps 1496: }
1497:
1498:
1499: /* ARGSUSED */
1500: static int
1501: termp_d1_pre(DECL_ARGS)
1502: {
1503:
1.60 schwarze 1504: if (MDOC_BLOCK != n->type)
1.1 kristaps 1505: return(1);
1506: term_newln(p);
1.140 schwarze 1507: p->offset += term_len(p, p->defindent + 1);
1.1 kristaps 1508: return(1);
1509: }
1510:
1511:
1512: /* ARGSUSED */
1513: static int
1514: termp_ft_pre(DECL_ARGS)
1515: {
1516:
1.85 schwarze 1517: /* NB: MDOC_LINE does not effect this! */
1.86 schwarze 1518: synopsis_pre(p, n);
1.65 schwarze 1519: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1520: return(1);
1521: }
1522:
1523:
1524: /* ARGSUSED */
1525: static int
1526: termp_fn_pre(DECL_ARGS)
1527: {
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:
1537: assert(MDOC_TEXT == n->type);
1.65 schwarze 1538: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1539: term_word(p, n->string);
1.65 schwarze 1540: term_fontpop(p);
1.1 kristaps 1541:
1542: p->flags |= TERMP_NOSPACE;
1543: term_word(p, "(");
1.132 schwarze 1544: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1545:
1.132 schwarze 1546: for (n = n->next; n; n = n->next) {
1547: assert(MDOC_TEXT == n->type);
1.65 schwarze 1548: term_fontpush(p, TERMFONT_UNDER);
1.132 schwarze 1549: term_word(p, n->string);
1.65 schwarze 1550: term_fontpop(p);
1551:
1.132 schwarze 1552: if (n->next) {
1553: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1554: term_word(p, ",");
1.132 schwarze 1555: }
1.1 kristaps 1556: }
1557:
1.132 schwarze 1558: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1559: term_word(p, ")");
1560:
1.132 schwarze 1561: if (pretty) {
1562: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1563: term_word(p, ";");
1.132 schwarze 1564: }
1.1 kristaps 1565:
1566: return(0);
1567: }
1568:
1569:
1570: /* ARGSUSED */
1571: static int
1572: termp_fa_pre(DECL_ARGS)
1573: {
1.60 schwarze 1574: const struct mdoc_node *nn;
1.1 kristaps 1575:
1.60 schwarze 1576: if (n->parent->tok != MDOC_Fo) {
1.65 schwarze 1577: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1578: return(1);
1579: }
1580:
1.60 schwarze 1581: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1582: term_fontpush(p, TERMFONT_UNDER);
1.60 schwarze 1583: term_word(p, nn->string);
1.65 schwarze 1584: term_fontpop(p);
1585:
1.132 schwarze 1586: if (nn->next) {
1587: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1588: term_word(p, ",");
1.132 schwarze 1589: }
1.1 kristaps 1590: }
1591:
1.132 schwarze 1592: if (n->child && n->next && n->next->tok == MDOC_Fa) {
1593: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1594: term_word(p, ",");
1.132 schwarze 1595: }
1.1 kristaps 1596:
1597: return(0);
1598: }
1599:
1600:
1601: /* ARGSUSED */
1602: static int
1603: termp_bd_pre(DECL_ARGS)
1604: {
1.99 schwarze 1605: size_t tabwidth, rm, rmax;
1.146 schwarze 1606: struct mdoc_node *nn;
1.1 kristaps 1607:
1.60 schwarze 1608: if (MDOC_BLOCK == n->type) {
1.61 schwarze 1609: print_bvspace(p, n, n);
1.45 schwarze 1610: return(1);
1.73 schwarze 1611: } else if (MDOC_HEAD == n->type)
1612: return(0);
1.1 kristaps 1613:
1.121 schwarze 1614: if (n->norm->Bd.offs)
1615: p->offset += a2offs(p, n->norm->Bd.offs);
1.60 schwarze 1616:
1617: /*
1618: * If -ragged or -filled are specified, the block does nothing
1619: * but change the indentation. If -unfilled or -literal are
1620: * specified, text is printed exactly as entered in the display:
1621: * for macro lines, a newline is appended to the line. Blank
1622: * lines are allowed.
1623: */
1.48 schwarze 1624:
1.121 schwarze 1625: if (DISP_literal != n->norm->Bd.type &&
1626: DISP_unfilled != n->norm->Bd.type)
1.1 kristaps 1627: return(1);
1628:
1.75 schwarze 1629: tabwidth = p->tabwidth;
1.123 schwarze 1630: if (DISP_literal == n->norm->Bd.type)
1631: p->tabwidth = term_len(p, 8);
1632:
1.77 schwarze 1633: rm = p->rmargin;
1634: rmax = p->maxrmargin;
1635: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1636:
1.60 schwarze 1637: for (nn = n->child; nn; nn = nn->next) {
1.147 schwarze 1638: print_mdoc_node(p, pair, meta, nn);
1.108 schwarze 1639: /*
1640: * If the printed node flushes its own line, then we
1641: * needn't do it here as well. This is hacky, but the
1642: * notion of selective eoln whitespace is pretty dumb
1643: * anyway, so don't sweat it.
1644: */
1645: switch (nn->tok) {
1.112 schwarze 1646: case (MDOC_Sm):
1647: /* FALLTHROUGH */
1.108 schwarze 1648: case (MDOC_br):
1649: /* FALLTHROUGH */
1650: case (MDOC_sp):
1651: /* FALLTHROUGH */
1652: case (MDOC_Bl):
1.115 schwarze 1653: /* FALLTHROUGH */
1654: case (MDOC_D1):
1655: /* FALLTHROUGH */
1656: case (MDOC_Dl):
1.108 schwarze 1657: /* FALLTHROUGH */
1658: case (MDOC_Lp):
1659: /* FALLTHROUGH */
1660: case (MDOC_Pp):
1661: continue;
1662: default:
1663: break;
1664: }
1.100 schwarze 1665: if (nn->next && nn->next->line == nn->line)
1666: continue;
1667: term_flushln(p);
1.48 schwarze 1668: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1669: }
1.88 schwarze 1670:
1.75 schwarze 1671: p->tabwidth = tabwidth;
1.77 schwarze 1672: p->rmargin = rm;
1673: p->maxrmargin = rmax;
1.1 kristaps 1674: return(0);
1675: }
1676:
1677:
1678: /* ARGSUSED */
1679: static void
1680: termp_bd_post(DECL_ARGS)
1681: {
1.77 schwarze 1682: size_t rm, rmax;
1.1 kristaps 1683:
1.60 schwarze 1684: if (MDOC_BODY != n->type)
1.1 kristaps 1685: return;
1.77 schwarze 1686:
1687: rm = p->rmargin;
1688: rmax = p->maxrmargin;
1689:
1.121 schwarze 1690: if (DISP_literal == n->norm->Bd.type ||
1691: DISP_unfilled == n->norm->Bd.type)
1.77 schwarze 1692: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1693:
1.48 schwarze 1694: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1695: term_newln(p);
1.77 schwarze 1696:
1697: p->rmargin = rm;
1698: p->maxrmargin = rmax;
1.1 kristaps 1699: }
1700:
1701:
1702: /* ARGSUSED */
1.126 schwarze 1703: static int
1704: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1705: {
1706:
1.126 schwarze 1707: if (NULL != (n = n->child)) {
1708: term_word(p, n->string);
1709: p->flags |= TERMP_NOSPACE;
1710: term_word(p, "BSD");
1711: } else {
1712: term_word(p, "BSD");
1713: return(0);
1714: }
1715:
1716: if (NULL != (n = n->next)) {
1717: p->flags |= TERMP_NOSPACE;
1718: term_word(p, "-");
1.1 kristaps 1719: p->flags |= TERMP_NOSPACE;
1.126 schwarze 1720: term_word(p, n->string);
1721: }
1722:
1723: return(0);
1.1 kristaps 1724: }
1725:
1726:
1727: /* ARGSUSED */
1728: static int
1.26 schwarze 1729: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1730: {
1.26 schwarze 1731: const char *pp;
1.129 schwarze 1732: int flags;
1.1 kristaps 1733:
1.26 schwarze 1734: pp = NULL;
1.60 schwarze 1735: switch (n->tok) {
1.26 schwarze 1736: case (MDOC_Bsx):
1.113 schwarze 1737: pp = "BSD/OS";
1.26 schwarze 1738: break;
1739: case (MDOC_Dx):
1.64 schwarze 1740: pp = "DragonFly";
1.26 schwarze 1741: break;
1742: case (MDOC_Fx):
1743: pp = "FreeBSD";
1744: break;
1745: case (MDOC_Nx):
1746: pp = "NetBSD";
1747: break;
1748: case (MDOC_Ox):
1749: pp = "OpenBSD";
1750: break;
1751: case (MDOC_Ux):
1752: pp = "UNIX";
1753: break;
1754: default:
1.148 schwarze 1755: abort();
1756: /* NOTREACHED */
1.26 schwarze 1757: }
1.1 kristaps 1758:
1.26 schwarze 1759: term_word(p, pp);
1.129 schwarze 1760: if (n->child) {
1761: flags = p->flags;
1762: p->flags |= TERMP_KEEP;
1763: term_word(p, n->child->string);
1764: p->flags = flags;
1765: }
1766: return(0);
1.1 kristaps 1767: }
1768:
1769:
1770: /* ARGSUSED */
1771: static int
1.109 schwarze 1772: termp_igndelim_pre(DECL_ARGS)
1.1 kristaps 1773: {
1774:
1775: p->flags |= TERMP_IGNDELIM;
1776: return(1);
1777: }
1778:
1779:
1780: /* ARGSUSED */
1781: static void
1782: termp_pf_post(DECL_ARGS)
1783: {
1784:
1785: p->flags |= TERMP_NOSPACE;
1786: }
1787:
1788:
1789: /* ARGSUSED */
1790: static int
1791: termp_ss_pre(DECL_ARGS)
1792: {
1793:
1.60 schwarze 1794: switch (n->type) {
1.1 kristaps 1795: case (MDOC_BLOCK):
1796: term_newln(p);
1.60 schwarze 1797: if (n->prev)
1.1 kristaps 1798: term_vspace(p);
1799: break;
1800: case (MDOC_HEAD):
1.65 schwarze 1801: term_fontpush(p, TERMFONT_BOLD);
1.140 schwarze 1802: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1803: break;
1804: default:
1805: break;
1806: }
1807:
1808: return(1);
1809: }
1810:
1811:
1812: /* ARGSUSED */
1813: static void
1814: termp_ss_post(DECL_ARGS)
1815: {
1816:
1.60 schwarze 1817: if (MDOC_HEAD == n->type)
1.1 kristaps 1818: term_newln(p);
1819: }
1820:
1821:
1822: /* ARGSUSED */
1823: static int
1824: termp_cd_pre(DECL_ARGS)
1825: {
1826:
1.86 schwarze 1827: synopsis_pre(p, n);
1.65 schwarze 1828: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1829: return(1);
1830: }
1831:
1832:
1833: /* ARGSUSED */
1834: static int
1835: termp_in_pre(DECL_ARGS)
1836: {
1837:
1.86 schwarze 1838: synopsis_pre(p, n);
1.85 schwarze 1839:
1.92 schwarze 1840: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.85 schwarze 1841: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1842: term_word(p, "#include");
1.85 schwarze 1843: term_word(p, "<");
1844: } else {
1845: term_word(p, "<");
1846: term_fontpush(p, TERMFONT_UNDER);
1847: }
1.23 schwarze 1848:
1.1 kristaps 1849: p->flags |= TERMP_NOSPACE;
1850: return(1);
1851: }
1852:
1853:
1854: /* ARGSUSED */
1855: static void
1856: termp_in_post(DECL_ARGS)
1857: {
1858:
1.92 schwarze 1859: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1860: term_fontpush(p, TERMFONT_BOLD);
1861:
1.59 schwarze 1862: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1863: term_word(p, ">");
1864:
1.92 schwarze 1865: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1866: term_fontpop(p);
1.38 schwarze 1867: }
1868:
1869:
1870: /* ARGSUSED */
1871: static int
1872: termp_sp_pre(DECL_ARGS)
1873: {
1.61 schwarze 1874: size_t i, len;
1.38 schwarze 1875:
1.60 schwarze 1876: switch (n->tok) {
1.54 schwarze 1877: case (MDOC_sp):
1.89 schwarze 1878: len = n->child ? a2height(p, n->child->string) : 1;
1.54 schwarze 1879: break;
1880: case (MDOC_br):
1881: len = 0;
1882: break;
1883: default:
1884: len = 1;
1885: break;
1.38 schwarze 1886: }
1887:
1888: if (0 == len)
1889: term_newln(p);
1890: for (i = 0; i < len; i++)
1891: term_vspace(p);
1892:
1893: return(0);
1894: }
1895:
1896:
1897: /* ARGSUSED */
1898: static int
1.107 schwarze 1899: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1900: {
1901:
1.120 schwarze 1902: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1903: return(1);
1904:
1.107 schwarze 1905: switch (n->tok) {
1906: case (MDOC_Ao):
1907: /* FALLTHROUGH */
1908: case (MDOC_Aq):
1909: term_word(p, "<");
1910: break;
1911: case (MDOC_Bro):
1912: /* FALLTHROUGH */
1913: case (MDOC_Brq):
1914: term_word(p, "{");
1915: break;
1916: case (MDOC_Oo):
1917: /* FALLTHROUGH */
1918: case (MDOC_Op):
1919: /* FALLTHROUGH */
1920: case (MDOC_Bo):
1921: /* FALLTHROUGH */
1922: case (MDOC_Bq):
1923: term_word(p, "[");
1924: break;
1925: case (MDOC_Do):
1926: /* FALLTHROUGH */
1927: case (MDOC_Dq):
1928: term_word(p, "``");
1929: break;
1.139 schwarze 1930: case (MDOC_Eo):
1931: break;
1.107 schwarze 1932: case (MDOC_Po):
1933: /* FALLTHROUGH */
1934: case (MDOC_Pq):
1935: term_word(p, "(");
1936: break;
1.120 schwarze 1937: case (MDOC__T):
1938: /* FALLTHROUGH */
1.107 schwarze 1939: case (MDOC_Qo):
1940: /* FALLTHROUGH */
1941: case (MDOC_Qq):
1942: term_word(p, "\"");
1943: break;
1944: case (MDOC_Ql):
1945: /* FALLTHROUGH */
1946: case (MDOC_So):
1947: /* FALLTHROUGH */
1948: case (MDOC_Sq):
1949: term_word(p, "`");
1950: break;
1951: default:
1952: abort();
1953: /* NOTREACHED */
1954: }
1.1 kristaps 1955:
1956: p->flags |= TERMP_NOSPACE;
1957: return(1);
1958: }
1959:
1960:
1961: /* ARGSUSED */
1962: static void
1.107 schwarze 1963: termp_quote_post(DECL_ARGS)
1.1 kristaps 1964: {
1965:
1.120 schwarze 1966: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1967: return;
1968:
1969: p->flags |= TERMP_NOSPACE;
1970:
1.107 schwarze 1971: switch (n->tok) {
1972: case (MDOC_Ao):
1973: /* FALLTHROUGH */
1974: case (MDOC_Aq):
1975: term_word(p, ">");
1976: break;
1977: case (MDOC_Bro):
1978: /* FALLTHROUGH */
1979: case (MDOC_Brq):
1980: term_word(p, "}");
1981: break;
1982: case (MDOC_Oo):
1983: /* FALLTHROUGH */
1984: case (MDOC_Op):
1985: /* FALLTHROUGH */
1986: case (MDOC_Bo):
1987: /* FALLTHROUGH */
1988: case (MDOC_Bq):
1989: term_word(p, "]");
1990: break;
1991: case (MDOC_Do):
1992: /* FALLTHROUGH */
1993: case (MDOC_Dq):
1994: term_word(p, "''");
1.139 schwarze 1995: break;
1996: case (MDOC_Eo):
1.107 schwarze 1997: break;
1998: case (MDOC_Po):
1999: /* FALLTHROUGH */
2000: case (MDOC_Pq):
2001: term_word(p, ")");
2002: break;
1.120 schwarze 2003: case (MDOC__T):
2004: /* FALLTHROUGH */
1.107 schwarze 2005: case (MDOC_Qo):
2006: /* FALLTHROUGH */
2007: case (MDOC_Qq):
2008: term_word(p, "\"");
2009: break;
2010: case (MDOC_Ql):
2011: /* FALLTHROUGH */
2012: case (MDOC_So):
2013: /* FALLTHROUGH */
2014: case (MDOC_Sq):
2015: term_word(p, "'");
2016: break;
2017: default:
2018: abort();
2019: /* NOTREACHED */
2020: }
1.1 kristaps 2021: }
2022:
2023:
2024: /* ARGSUSED */
2025: static int
2026: termp_fo_pre(DECL_ARGS)
2027: {
2028:
1.85 schwarze 2029: if (MDOC_BLOCK == n->type) {
1.86 schwarze 2030: synopsis_pre(p, n);
1.85 schwarze 2031: return(1);
2032: } else if (MDOC_BODY == n->type) {
1.31 schwarze 2033: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2034: term_word(p, "(");
1.132 schwarze 2035: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2036: return(1);
1.85 schwarze 2037: }
2038:
1.95 schwarze 2039: if (NULL == n->child)
2040: return(0);
2041:
1.85 schwarze 2042: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2043:
1.85 schwarze 2044: assert(n->child->string);
1.65 schwarze 2045: term_fontpush(p, TERMFONT_BOLD);
1.85 schwarze 2046: term_word(p, n->child->string);
1.1 kristaps 2047: return(0);
2048: }
2049:
2050:
2051: /* ARGSUSED */
2052: static void
2053: termp_fo_post(DECL_ARGS)
2054: {
2055:
1.86 schwarze 2056: if (MDOC_BODY != n->type)
2057: return;
2058:
1.132 schwarze 2059: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2060: term_word(p, ")");
2061:
1.132 schwarze 2062: if (MDOC_SYNPRETTY & n->flags) {
2063: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2064: term_word(p, ";");
1.132 schwarze 2065: }
1.1 kristaps 2066: }
2067:
2068:
2069: /* ARGSUSED */
2070: static int
2071: termp_bf_pre(DECL_ARGS)
2072: {
2073:
1.60 schwarze 2074: if (MDOC_HEAD == n->type)
1.1 kristaps 2075: return(0);
1.146 schwarze 2076: else if (MDOC_BODY != n->type)
1.1 kristaps 2077: return(1);
2078:
1.121 schwarze 2079: if (FONT_Em == n->norm->Bf.font)
1.65 schwarze 2080: term_fontpush(p, TERMFONT_UNDER);
1.121 schwarze 2081: else if (FONT_Sy == n->norm->Bf.font)
1.65 schwarze 2082: term_fontpush(p, TERMFONT_BOLD);
1.95 schwarze 2083: else
1.65 schwarze 2084: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2085:
2086: return(1);
2087: }
2088:
2089:
2090: /* ARGSUSED */
2091: static int
2092: termp_sm_pre(DECL_ARGS)
2093: {
2094:
1.60 schwarze 2095: assert(n->child && MDOC_TEXT == n->child->type);
1.96 schwarze 2096: if (0 == strcmp("on", n->child->string)) {
2097: if (p->col)
2098: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2099: p->flags &= ~TERMP_NONOSPACE;
1.96 schwarze 2100: } else
1.1 kristaps 2101: p->flags |= TERMP_NONOSPACE;
2102:
2103: return(0);
2104: }
2105:
2106:
2107: /* ARGSUSED */
2108: static int
2109: termp_ap_pre(DECL_ARGS)
2110: {
2111:
2112: p->flags |= TERMP_NOSPACE;
1.107 schwarze 2113: term_word(p, "'");
1.1 kristaps 2114: p->flags |= TERMP_NOSPACE;
2115: return(1);
2116: }
2117:
2118:
2119: /* ARGSUSED */
2120: static void
2121: termp____post(DECL_ARGS)
2122: {
1.104 schwarze 2123:
2124: /*
2125: * Handle lists of authors. In general, print each followed by
2126: * a comma. Don't print the comma if there are only two
2127: * authors.
2128: */
2129: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2130: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2131: if (NULL == n->prev || MDOC__A != n->prev->tok)
2132: return;
1.1 kristaps 2133:
1.62 schwarze 2134: /* TODO: %U. */
2135:
1.106 schwarze 2136: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2137: return;
2138:
1.132 schwarze 2139: p->flags |= TERMP_NOSPACE;
1.106 schwarze 2140: if (NULL == n->next) {
2141: term_word(p, ".");
2142: p->flags |= TERMP_SENTENCE;
2143: } else
2144: term_word(p, ",");
1.1 kristaps 2145: }
2146:
2147:
2148: /* ARGSUSED */
2149: static int
1.65 schwarze 2150: termp_li_pre(DECL_ARGS)
2151: {
2152:
2153: term_fontpush(p, TERMFONT_NONE);
2154: return(1);
2155: }
2156:
2157:
2158: /* ARGSUSED */
2159: static int
1.1 kristaps 2160: termp_lk_pre(DECL_ARGS)
2161: {
1.142 schwarze 2162: const struct mdoc_node *link, *descr;
1.1 kristaps 2163:
1.142 schwarze 2164: if (NULL == (link = n->child))
2165: return(0);
1.101 schwarze 2166:
1.142 schwarze 2167: if (NULL != (descr = link->next)) {
2168: term_fontpush(p, TERMFONT_UNDER);
2169: while (NULL != descr) {
2170: term_word(p, descr->string);
2171: descr = descr->next;
2172: }
2173: p->flags |= TERMP_NOSPACE;
2174: term_word(p, ":");
2175: term_fontpop(p);
2176: }
1.1 kristaps 2177:
1.65 schwarze 2178: term_fontpush(p, TERMFONT_BOLD);
1.142 schwarze 2179: term_word(p, link->string);
1.65 schwarze 2180: term_fontpop(p);
1.6 schwarze 2181:
1.1 kristaps 2182: return(0);
2183: }
2184:
1.90 schwarze 2185:
2186: /* ARGSUSED */
2187: static int
2188: termp_bk_pre(DECL_ARGS)
2189: {
2190:
1.91 schwarze 2191: switch (n->type) {
2192: case (MDOC_BLOCK):
1.95 schwarze 2193: break;
1.91 schwarze 2194: case (MDOC_HEAD):
2195: return(0);
2196: case (MDOC_BODY):
1.117 schwarze 2197: if (n->parent->args || 0 == n->prev->nchild)
2198: p->flags |= TERMP_PREKEEP;
1.95 schwarze 2199: break;
1.91 schwarze 2200: default:
2201: abort();
1.95 schwarze 2202: /* NOTREACHED */
1.91 schwarze 2203: }
1.95 schwarze 2204:
2205: return(1);
1.90 schwarze 2206: }
2207:
2208:
2209: /* ARGSUSED */
2210: static void
2211: termp_bk_post(DECL_ARGS)
2212: {
2213:
1.149 ! schwarze 2214: if (MDOC_BODY == n->type && ! (MDOC_SYNPRETTY & n->flags))
1.91 schwarze 2215: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 2216: }
1.120 schwarze 2217:
2218: /* ARGSUSED */
2219: static void
2220: termp__t_post(DECL_ARGS)
2221: {
2222:
2223: /*
2224: * If we're in an `Rs' and there's a journal present, then quote
2225: * us instead of underlining us (for disambiguation).
2226: */
1.121 schwarze 2227: if (n->parent && MDOC_Rs == n->parent->tok &&
1.125 schwarze 2228: n->parent->norm->Rs.quote_T)
1.147 schwarze 2229: termp_quote_post(p, pair, meta, n);
1.120 schwarze 2230:
1.147 schwarze 2231: termp____post(p, pair, meta, n);
1.120 schwarze 2232: }
2233:
2234: /* ARGSUSED */
2235: static int
2236: termp__t_pre(DECL_ARGS)
2237: {
2238:
2239: /*
2240: * If we're in an `Rs' and there's a journal present, then quote
2241: * us instead of underlining us (for disambiguation).
2242: */
1.121 schwarze 2243: if (n->parent && MDOC_Rs == n->parent->tok &&
1.125 schwarze 2244: n->parent->norm->Rs.quote_T)
1.147 schwarze 2245: return(termp_quote_pre(p, pair, meta, n));
1.120 schwarze 2246:
2247: term_fontpush(p, TERMFONT_UNDER);
2248: return(1);
1.121 schwarze 2249: }
1.1 kristaps 2250:
2251: /* ARGSUSED */
2252: static int
1.54 schwarze 2253: termp_under_pre(DECL_ARGS)
1.1 kristaps 2254: {
2255:
1.65 schwarze 2256: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 2257: return(1);
2258: }