Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.193
1.193 ! schwarze 1: /* $OpenBSD: mdoc_term.c,v 1.192 2014/11/25 03:04:32 schwarze Exp $ */
1.1 kristaps 2: /*
1.122 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.161 schwarze 4: * Copyright (c) 2010, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
1.158 schwarze 5: * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
1.1 kristaps 6: *
7: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 10: *
1.2 schwarze 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 18: */
19: #include <sys/types.h>
20:
21: #include <assert.h>
22: #include <ctype.h>
1.77 schwarze 23: #include <stdint.h>
1.1 kristaps 24: #include <stdio.h>
25: #include <stdlib.h>
26: #include <string.h>
27:
1.81 schwarze 28: #include "mandoc.h"
1.168 schwarze 29: #include "mandoc_aux.h"
1.61 schwarze 30: #include "out.h"
1.1 kristaps 31: #include "term.h"
32: #include "mdoc.h"
1.61 schwarze 33: #include "main.h"
1.54 schwarze 34:
1.1 kristaps 35: struct termpair {
36: struct termpair *ppair;
1.27 schwarze 37: int count;
1.1 kristaps 38: };
39:
1.29 schwarze 40: #define DECL_ARGS struct termp *p, \
41: struct termpair *pair, \
1.166 schwarze 42: const struct mdoc_meta *meta, \
1.146 schwarze 43: struct mdoc_node *n
1.1 kristaps 44:
45: struct termact {
46: int (*pre)(DECL_ARGS);
47: void (*post)(DECL_ARGS);
48: };
1.29 schwarze 49:
1.89 schwarze 50: static size_t a2width(const struct termp *, const char *);
51: static size_t a2height(const struct termp *, const char *);
1.62 schwarze 52:
53: static void print_bvspace(struct termp *,
54: const struct mdoc_node *,
55: const struct mdoc_node *);
1.166 schwarze 56: static void print_mdoc_node(DECL_ARGS);
1.65 schwarze 57: static void print_mdoc_nodelist(DECL_ARGS);
1.87 schwarze 58: static void print_mdoc_head(struct termp *, const void *);
59: static void print_mdoc_foot(struct termp *, const void *);
1.166 schwarze 60: static void synopsis_pre(struct termp *,
1.86 schwarze 61: const struct mdoc_node *);
1.62 schwarze 62:
1.29 schwarze 63: static void termp____post(DECL_ARGS);
1.120 schwarze 64: static void termp__t_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);
1.162 schwarze 102: static int termp_ll_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);
1.193 ! schwarze 111: static int termp_skip_pre(DECL_ARGS);
1.29 schwarze 112: static int termp_sm_pre(DECL_ARGS);
1.38 schwarze 113: static int termp_sp_pre(DECL_ARGS);
1.29 schwarze 114: static int termp_ss_pre(DECL_ARGS);
1.54 schwarze 115: static int termp_under_pre(DECL_ARGS);
1.29 schwarze 116: static int termp_ud_pre(DECL_ARGS);
1.69 schwarze 117: static int termp_vt_pre(DECL_ARGS);
1.29 schwarze 118: static int termp_xr_pre(DECL_ARGS);
119: static int termp_xx_pre(DECL_ARGS);
1.1 kristaps 120:
1.54 schwarze 121: static const struct termact termacts[MDOC_MAX] = {
1.11 schwarze 122: { termp_ap_pre, NULL }, /* Ap */
1.1 kristaps 123: { NULL, NULL }, /* Dd */
124: { NULL, NULL }, /* Dt */
125: { NULL, NULL }, /* Os */
126: { termp_sh_pre, termp_sh_post }, /* Sh */
1.166 schwarze 127: { termp_ss_pre, termp_ss_post }, /* Ss */
128: { termp_sp_pre, NULL }, /* Pp */
1.143 schwarze 129: { termp_d1_pre, termp_bl_post }, /* D1 */
130: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 131: { termp_bd_pre, termp_bd_post }, /* Bd */
132: { NULL, NULL }, /* Ed */
1.73 schwarze 133: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 134: { NULL, NULL }, /* El */
135: { termp_it_pre, termp_it_post }, /* It */
1.166 schwarze 136: { termp_under_pre, NULL }, /* Ad */
1.181 schwarze 137: { termp_an_pre, NULL }, /* An */
1.54 schwarze 138: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 139: { termp_cd_pre, NULL }, /* Cd */
1.54 schwarze 140: { termp_bold_pre, NULL }, /* Cm */
1.166 schwarze 141: { NULL, NULL }, /* Dv */
142: { NULL, NULL }, /* Er */
143: { NULL, NULL }, /* Ev */
1.1 kristaps 144: { termp_ex_pre, NULL }, /* Ex */
1.166 schwarze 145: { termp_fa_pre, NULL }, /* Fa */
146: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 147: { termp_fl_pre, NULL }, /* Fl */
1.166 schwarze 148: { termp_fn_pre, NULL }, /* Fn */
149: { termp_ft_pre, NULL }, /* Ft */
150: { termp_bold_pre, NULL }, /* Ic */
151: { termp_in_pre, termp_in_post }, /* In */
1.65 schwarze 152: { termp_li_pre, NULL }, /* Li */
1.166 schwarze 153: { termp_nd_pre, NULL }, /* Nd */
154: { termp_nm_pre, termp_nm_post }, /* Nm */
1.107 schwarze 155: { termp_quote_pre, termp_quote_post }, /* Op */
1.170 schwarze 156: { termp_ft_pre, NULL }, /* Ot */
1.54 schwarze 157: { termp_under_pre, NULL }, /* Pa */
1.1 kristaps 158: { termp_rv_pre, NULL }, /* Rv */
1.166 schwarze 159: { NULL, NULL }, /* St */
1.54 schwarze 160: { termp_under_pre, NULL }, /* Va */
1.86 schwarze 161: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 162: { termp_xr_pre, NULL }, /* Xr */
1.104 schwarze 163: { termp__a_pre, termp____post }, /* %A */
1.58 schwarze 164: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 165: { NULL, termp____post }, /* %D */
1.58 schwarze 166: { termp_under_pre, termp____post }, /* %I */
1.54 schwarze 167: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 168: { NULL, termp____post }, /* %N */
169: { NULL, termp____post }, /* %O */
170: { NULL, termp____post }, /* %P */
171: { NULL, termp____post }, /* %R */
1.120 schwarze 172: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 173: { NULL, termp____post }, /* %V */
174: { NULL, NULL }, /* Ac */
1.107 schwarze 175: { termp_quote_pre, termp_quote_post }, /* Ao */
176: { termp_quote_pre, termp_quote_post }, /* Aq */
1.32 schwarze 177: { NULL, NULL }, /* At */
1.1 kristaps 178: { NULL, NULL }, /* Bc */
1.166 schwarze 179: { termp_bf_pre, NULL }, /* Bf */
1.107 schwarze 180: { termp_quote_pre, termp_quote_post }, /* Bo */
181: { termp_quote_pre, termp_quote_post }, /* Bq */
1.26 schwarze 182: { termp_xx_pre, NULL }, /* Bsx */
1.126 schwarze 183: { termp_bx_pre, NULL }, /* Bx */
1.193 ! schwarze 184: { termp_skip_pre, NULL }, /* Db */
1.1 kristaps 185: { NULL, NULL }, /* Dc */
1.107 schwarze 186: { termp_quote_pre, termp_quote_post }, /* Do */
187: { termp_quote_pre, termp_quote_post }, /* Dq */
1.73 schwarze 188: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 189: { NULL, NULL }, /* Ef */
1.166 schwarze 190: { termp_under_pre, NULL }, /* Em */
1.139 schwarze 191: { termp_quote_pre, termp_quote_post }, /* Eo */
1.26 schwarze 192: { termp_xx_pre, NULL }, /* Fx */
1.98 schwarze 193: { termp_bold_pre, NULL }, /* Ms */
1.189 schwarze 194: { termp_li_pre, NULL }, /* No */
1.1 kristaps 195: { termp_ns_pre, NULL }, /* Ns */
1.26 schwarze 196: { termp_xx_pre, NULL }, /* Nx */
197: { termp_xx_pre, NULL }, /* Ox */
1.1 kristaps 198: { NULL, NULL }, /* Pc */
1.156 schwarze 199: { NULL, termp_pf_post }, /* Pf */
1.107 schwarze 200: { termp_quote_pre, termp_quote_post }, /* Po */
201: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 202: { NULL, NULL }, /* Qc */
1.107 schwarze 203: { termp_quote_pre, termp_quote_post }, /* Ql */
204: { termp_quote_pre, termp_quote_post }, /* Qo */
205: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 206: { NULL, NULL }, /* Re */
207: { termp_rs_pre, NULL }, /* Rs */
208: { NULL, NULL }, /* Sc */
1.107 schwarze 209: { termp_quote_pre, termp_quote_post }, /* So */
210: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 211: { termp_sm_pre, NULL }, /* Sm */
1.54 schwarze 212: { termp_under_pre, NULL }, /* Sx */
213: { termp_bold_pre, NULL }, /* Sy */
1.1 kristaps 214: { NULL, NULL }, /* Tn */
1.26 schwarze 215: { termp_xx_pre, NULL }, /* Ux */
1.1 kristaps 216: { NULL, NULL }, /* Xc */
217: { NULL, NULL }, /* Xo */
1.166 schwarze 218: { termp_fo_pre, termp_fo_post }, /* Fo */
219: { NULL, NULL }, /* Fc */
1.107 schwarze 220: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 221: { NULL, NULL }, /* Oc */
1.90 schwarze 222: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 223: { NULL, NULL }, /* Ek */
224: { termp_bt_pre, NULL }, /* Bt */
225: { NULL, NULL }, /* Hf */
1.170 schwarze 226: { termp_under_pre, NULL }, /* Fr */
1.1 kristaps 227: { termp_ud_pre, NULL }, /* Ud */
1.32 schwarze 228: { NULL, termp_lb_post }, /* Lb */
1.166 schwarze 229: { termp_sp_pre, NULL }, /* Lp */
230: { termp_lk_pre, NULL }, /* Lk */
231: { termp_under_pre, NULL }, /* Mt */
232: { termp_quote_pre, termp_quote_post }, /* Brq */
233: { termp_quote_pre, termp_quote_post }, /* Bro */
234: { NULL, NULL }, /* Brc */
235: { NULL, termp____post }, /* %C */
1.193 ! schwarze 236: { termp_skip_pre, NULL }, /* Es */
1.170 schwarze 237: { termp_quote_pre, termp_quote_post }, /* En */
1.166 schwarze 238: { termp_xx_pre, NULL }, /* Dx */
239: { NULL, termp____post }, /* %Q */
1.54 schwarze 240: { termp_sp_pre, NULL }, /* br */
1.166 schwarze 241: { termp_sp_pre, NULL }, /* sp */
242: { NULL, termp____post }, /* %U */
243: { NULL, NULL }, /* Ta */
1.162 schwarze 244: { termp_ll_pre, NULL }, /* ll */
1.1 kristaps 245: };
246:
247:
1.55 schwarze 248: void
1.61 schwarze 249: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1 kristaps 250: {
1.147 schwarze 251: const struct mdoc_meta *meta;
1.180 schwarze 252: struct mdoc_node *n;
1.61 schwarze 253: struct termp *p;
254:
255: p = (struct termp *)arg;
1.71 schwarze 256:
257: p->overstep = 0;
1.180 schwarze 258: p->rmargin = p->maxrmargin = p->defrmargin;
1.89 schwarze 259: p->tabwidth = term_len(p, 5);
1.55 schwarze 260:
1.180 schwarze 261: n = mdoc_node(mdoc)->child;
1.147 schwarze 262: meta = mdoc_meta(mdoc);
1.55 schwarze 263:
1.180 schwarze 264: if (p->synopsisonly) {
265: while (n != NULL) {
266: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
267: if (n->child->next->child != NULL)
268: print_mdoc_nodelist(p, NULL,
269: meta, n->child->next->child);
270: term_newln(p);
271: break;
272: }
273: n = n->next;
274: }
275: } else {
276: if (p->defindent == 0)
277: p->defindent = 5;
278: term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
279: if (n != NULL) {
280: if (n->tok != MDOC_Sh)
281: term_vspace(p);
282: print_mdoc_nodelist(p, NULL, meta, n);
283: }
284: term_end(p);
1.173 schwarze 285: }
1.1 kristaps 286: }
287:
288: static void
1.65 schwarze 289: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 290: {
291:
1.147 schwarze 292: print_mdoc_node(p, pair, meta, n);
1.60 schwarze 293: if (n->next)
1.147 schwarze 294: print_mdoc_nodelist(p, pair, meta, n->next);
1.1 kristaps 295: }
296:
297: static void
1.65 schwarze 298: print_mdoc_node(DECL_ARGS)
1.1 kristaps 299: {
1.65 schwarze 300: int chld;
1.1 kristaps 301: struct termpair npair;
1.28 schwarze 302: size_t offset, rmargin;
1.1 kristaps 303:
1.54 schwarze 304: chld = 1;
1.28 schwarze 305: offset = p->offset;
306: rmargin = p->rmargin;
1.146 schwarze 307: n->prev_font = term_fontq(p);
1.1 kristaps 308:
1.63 schwarze 309: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 310: npair.ppair = pair;
1.65 schwarze 311:
1.95 schwarze 312: /*
313: * Keeps only work until the end of a line. If a keep was
314: * invoked in a prior line, revert it to PREKEEP.
315: */
316:
1.155 schwarze 317: if (TERMP_KEEP & p->flags) {
1.154 schwarze 318: if (n->prev ? (n->prev->lastline != n->line) :
1.150 schwarze 319: (n->parent && n->parent->line != n->line)) {
1.95 schwarze 320: p->flags &= ~TERMP_KEEP;
321: p->flags |= TERMP_PREKEEP;
322: }
323: }
1.116 schwarze 324:
325: /*
1.128 schwarze 326: * After the keep flags have been set up, we may now
327: * produce output. Note that some pre-handlers do so.
328: */
329:
330: switch (n->type) {
1.166 schwarze 331: case MDOC_TEXT:
1.128 schwarze 332: if (' ' == *n->string && MDOC_LINE & n->flags)
333: term_newln(p);
1.132 schwarze 334: if (MDOC_DELIMC & n->flags)
335: p->flags |= TERMP_NOSPACE;
1.128 schwarze 336: term_word(p, n->string);
1.132 schwarze 337: if (MDOC_DELIMO & n->flags)
338: p->flags |= TERMP_NOSPACE;
1.128 schwarze 339: break;
1.166 schwarze 340: case MDOC_EQN:
1.183 schwarze 341: if ( ! (n->flags & MDOC_LINE))
342: p->flags |= TERMP_NOSPACE;
1.135 schwarze 343: term_eqn(p, n->eqn);
1.185 schwarze 344: if (n->next != NULL && ! (n->next->flags & MDOC_LINE))
1.184 schwarze 345: p->flags |= TERMP_NOSPACE;
1.131 schwarze 346: break;
1.166 schwarze 347: case MDOC_TBL:
1.128 schwarze 348: term_tbl(p, n->span);
349: break;
350: default:
351: if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
352: chld = (*termacts[n->tok].pre)
1.147 schwarze 353: (p, &npair, meta, n);
1.128 schwarze 354: break;
355: }
1.95 schwarze 356:
1.60 schwarze 357: if (chld && n->child)
1.147 schwarze 358: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 359:
1.146 schwarze 360: term_fontpopq(p,
361: (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.1 kristaps 362:
1.122 schwarze 363: switch (n->type) {
1.166 schwarze 364: case MDOC_TEXT:
1.122 schwarze 365: break;
1.166 schwarze 366: case MDOC_TBL:
1.131 schwarze 367: break;
1.166 schwarze 368: case MDOC_EQN:
1.122 schwarze 369: break;
370: default:
371: if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
372: break;
1.147 schwarze 373: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.93 schwarze 374:
375: /*
376: * Explicit end tokens not only call the post
377: * handler, but also tell the respective block
378: * that it must not call the post handler again.
379: */
1.95 schwarze 380: if (ENDBODY_NOT != n->end)
1.93 schwarze 381: n->pending->flags |= MDOC_ENDED;
382:
383: /*
384: * End of line terminating an implicit block
385: * while an explicit block is still open.
386: * Continue the explicit block without spacing.
387: */
388: if (ENDBODY_NOSPACE == n->end)
389: p->flags |= TERMP_NOSPACE;
1.122 schwarze 390: break;
1.93 schwarze 391: }
1.28 schwarze 392:
1.78 schwarze 393: if (MDOC_EOS & n->flags)
394: p->flags |= TERMP_SENTENCE;
395:
1.162 schwarze 396: if (MDOC_ll != n->tok) {
397: p->offset = offset;
398: p->rmargin = rmargin;
399: }
1.1 kristaps 400: }
401:
402: static void
1.87 schwarze 403: print_mdoc_foot(struct termp *p, const void *arg)
1.1 kristaps 404: {
1.147 schwarze 405: const struct mdoc_meta *meta;
1.191 schwarze 406: size_t sz;
1.87 schwarze 407:
1.147 schwarze 408: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 409:
1.65 schwarze 410: term_fontrepl(p, TERMFONT_NONE);
411:
1.166 schwarze 412: /*
1.7 schwarze 413: * Output the footer in new-groff style, that is, three columns
414: * with the middle being the manual date and flanking columns
415: * being the operating system:
416: *
417: * SYSTEM DATE SYSTEM
418: */
419:
1.1 kristaps 420: term_vspace(p);
421:
1.7 schwarze 422: p->offset = 0;
1.191 schwarze 423: sz = term_strlen(p, meta->date);
424: p->rmargin = p->maxrmargin > sz ?
425: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.152 schwarze 426: p->trailspace = 1;
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;
1.191 schwarze 433: sz = term_strlen(p, meta->os);
434: p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.136 schwarze 435: p->flags |= TERMP_NOSPACE;
1.7 schwarze 436:
1.147 schwarze 437: term_word(p, meta->date);
1.7 schwarze 438: term_flushln(p);
439:
1.1 kristaps 440: p->offset = p->rmargin;
441: p->rmargin = p->maxrmargin;
1.152 schwarze 442: p->trailspace = 0;
1.1 kristaps 443: p->flags &= ~TERMP_NOBREAK;
1.136 schwarze 444: p->flags |= TERMP_NOSPACE;
1.1 kristaps 445:
1.147 schwarze 446: term_word(p, meta->os);
1.1 kristaps 447: term_flushln(p);
1.7 schwarze 448:
449: p->offset = 0;
450: p->rmargin = p->maxrmargin;
451: p->flags = 0;
1.1 kristaps 452: }
453:
454: static void
1.87 schwarze 455: print_mdoc_head(struct termp *p, const void *arg)
1.1 kristaps 456: {
1.168 schwarze 457: const struct mdoc_meta *meta;
1.169 schwarze 458: char *volume, *title;
459: size_t vollen, titlen;
1.87 schwarze 460:
1.147 schwarze 461: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 462:
463: /*
464: * The header is strange. It has three components, which are
465: * really two with the first duplicated. It goes like this:
466: *
467: * IDENTIFIER TITLE IDENTIFIER
468: *
469: * The IDENTIFIER is NAME(SECTION), which is the command-name
470: * (if given, or "unknown" if not) followed by the manual page
471: * section. These are given in `Dt'. The TITLE is a free-form
472: * string depending on the manual volume. If not specified, it
473: * switches on the manual section.
474: */
1.137 schwarze 475:
1.147 schwarze 476: assert(meta->vol);
1.169 schwarze 477: if (NULL == meta->arch)
478: volume = mandoc_strdup(meta->vol);
479: else
480: mandoc_asprintf(&volume, "%s (%s)",
481: meta->vol, meta->arch);
482: vollen = term_strlen(p, volume);
1.1 kristaps 483:
1.177 schwarze 484: if (NULL == meta->msec)
485: title = mandoc_strdup(meta->title);
486: else
487: mandoc_asprintf(&title, "%s(%s)",
488: 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;
1.152 schwarze 492: p->trailspace = 1;
1.1 kristaps 493: p->offset = 0;
1.169 schwarze 494: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
495: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.191 schwarze 496: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
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;
1.169 schwarze 503: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.137 schwarze 504: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 505:
1.169 schwarze 506: term_word(p, volume);
1.1 kristaps 507: term_flushln(p);
508:
509: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 510: p->trailspace = 0;
1.137 schwarze 511: if (p->rmargin + titlen <= p->maxrmargin) {
512: p->flags |= TERMP_NOSPACE;
513: p->offset = p->rmargin;
514: p->rmargin = p->maxrmargin;
515: term_word(p, title);
516: term_flushln(p);
517: }
1.1 kristaps 518:
1.137 schwarze 519: p->flags &= ~TERMP_NOSPACE;
1.8 schwarze 520: p->offset = 0;
1.1 kristaps 521: p->rmargin = p->maxrmargin;
1.168 schwarze 522: free(title);
1.169 schwarze 523: free(volume);
1.1 kristaps 524: }
525:
526: static size_t
1.89 schwarze 527: a2height(const struct termp *p, const char *v)
1.1 kristaps 528: {
1.61 schwarze 529: struct roffsu su;
1.1 kristaps 530:
1.134 schwarze 531:
1.89 schwarze 532: assert(v);
533: if ( ! a2roffsu(v, &su, SCALE_VS))
1.134 schwarze 534: SCALE_VS_INIT(&su, atoi(v));
1.1 kristaps 535:
1.89 schwarze 536: return(term_vspan(p, &su));
1.61 schwarze 537: }
1.34 schwarze 538:
1.61 schwarze 539: static size_t
1.89 schwarze 540: a2width(const struct termp *p, const char *v)
1.61 schwarze 541: {
542: struct roffsu su;
1.1 kristaps 543:
1.88 schwarze 544: assert(v);
1.182 schwarze 545: if ( ! a2roffsu(v, &su, SCALE_MAX)) {
1.89 schwarze 546: SCALE_HS_INIT(&su, term_strlen(p, v));
1.182 schwarze 547: su.scale /= term_strlen(p, "0");
548: }
1.1 kristaps 549:
1.89 schwarze 550: return(term_hspan(p, &su));
1.1 kristaps 551: }
552:
1.68 schwarze 553: /*
554: * Determine how much space to print out before block elements of `It'
555: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
556: * too.
557: */
1.45 schwarze 558: static void
1.166 schwarze 559: print_bvspace(struct termp *p,
560: const struct mdoc_node *bl,
561: const struct mdoc_node *n)
1.1 kristaps 562: {
1.60 schwarze 563: const struct mdoc_node *nn;
1.138 schwarze 564:
565: assert(n);
1.1 kristaps 566:
567: term_newln(p);
1.88 schwarze 568:
1.121 schwarze 569: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.88 schwarze 570: return;
1.121 schwarze 571: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.45 schwarze 572: return;
573:
1.60 schwarze 574: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 575:
1.188 schwarze 576: nn = n;
577: while (nn->prev == NULL) {
578: do {
579: nn = nn->parent;
580: if (nn->type == MDOC_ROOT)
581: return;
582: } while (nn->type != MDOC_BLOCK);
583: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.45 schwarze 584: return;
1.188 schwarze 585: if (nn->tok == MDOC_It &&
586: nn->parent->parent->norm->Bl.type != LIST_item)
587: break;
1.1 kristaps 588: }
589:
1.60 schwarze 590: /* A `-column' does not assert vspace within the list. */
1.45 schwarze 591:
1.121 schwarze 592: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.60 schwarze 593: if (n->prev && MDOC_It == n->prev->tok)
1.45 schwarze 594: return;
595:
1.60 schwarze 596: /* A `-diag' without body does not vspace. */
597:
1.121 schwarze 598: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.60 schwarze 599: if (n->prev && MDOC_It == n->prev->tok) {
600: assert(n->prev->body);
601: if (NULL == n->prev->body->child)
1.45 schwarze 602: return;
603: }
604:
605: term_vspace(p);
1.162 schwarze 606: }
607:
608:
609: static int
610: termp_ll_pre(DECL_ARGS)
611: {
612:
1.163 schwarze 613: term_setwidth(p, n->nchild ? n->child->string : NULL);
1.162 schwarze 614: return(0);
1.1 kristaps 615: }
616:
617: static int
618: termp_it_pre(DECL_ARGS)
619: {
1.60 schwarze 620: const struct mdoc_node *bl, *nn;
1.167 schwarze 621: char buf[24];
1.166 schwarze 622: int i;
623: size_t width, offset, ncols, dcol;
1.82 schwarze 624: enum mdoc_list type;
1.1 kristaps 625:
1.60 schwarze 626: if (MDOC_BLOCK == n->type) {
1.61 schwarze 627: print_bvspace(p, n->parent->parent, n);
1.45 schwarze 628: return(1);
629: }
1.1 kristaps 630:
1.60 schwarze 631: bl = n->parent->parent->parent;
1.121 schwarze 632: type = bl->norm->Bl.type;
1.1 kristaps 633:
1.166 schwarze 634: /*
1.68 schwarze 635: * First calculate width and offset. This is pretty easy unless
636: * we're a -column list, in which case all prior columns must
637: * be accounted for.
638: */
639:
640: width = offset = 0;
641:
1.121 schwarze 642: if (bl->norm->Bl.offs)
1.187 schwarze 643: offset = a2width(p, bl->norm->Bl.offs);
1.66 schwarze 644:
1.1 kristaps 645: switch (type) {
1.166 schwarze 646: case LIST_column:
1.85 schwarze 647: if (MDOC_HEAD == n->type)
1.1 kristaps 648: break;
1.88 schwarze 649:
1.66 schwarze 650: /*
1.68 schwarze 651: * Imitate groff's column handling:
652: * - For each earlier column, add its width.
653: * - For less than 5 columns, add four more blanks per
654: * column.
655: * - For exactly 5 columns, add three more blank per
656: * column.
657: * - For more than 5 columns, add only one column.
1.66 schwarze 658: */
1.121 schwarze 659: ncols = bl->norm->Bl.ncols;
1.166 schwarze 660: dcol = ncols < 5 ? term_len(p, 4) :
661: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68 schwarze 662:
1.85 schwarze 663: /*
664: * Calculate the offset by applying all prior MDOC_BODY,
665: * so we stop at the MDOC_HEAD (NULL == nn->prev).
666: */
667:
1.166 schwarze 668: for (i = 0, nn = n->prev;
669: nn->prev && i < (int)ncols;
670: nn = nn->prev, i++)
671: offset += dcol + a2width(p,
672: bl->norm->Bl.cols[i]);
1.66 schwarze 673:
674: /*
1.68 schwarze 675: * When exceeding the declared number of columns, leave
676: * the remaining widths at 0. This will later be
677: * adjusted to the default width of 10, or, for the last
678: * column, stretched to the right margin.
1.46 schwarze 679: */
1.68 schwarze 680: if (i >= (int)ncols)
681: break;
1.46 schwarze 682:
1.66 schwarze 683: /*
1.68 schwarze 684: * Use the declared column widths, extended as explained
685: * in the preceding paragraph.
1.66 schwarze 686: */
1.121 schwarze 687: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 688: break;
689: default:
1.121 schwarze 690: if (NULL == bl->norm->Bl.width)
1.68 schwarze 691: break;
692:
1.166 schwarze 693: /*
1.68 schwarze 694: * Note: buffer the width by 2, which is groff's magic
695: * number for buffering single arguments. See the above
696: * handling for column for how this changes.
697: */
1.121 schwarze 698: assert(bl->norm->Bl.width);
699: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1 kristaps 700: break;
701: }
702:
1.166 schwarze 703: /*
1.1 kristaps 704: * List-type can override the width in the case of fixed-head
705: * values (bullet, dash/hyphen, enum). Tags need a non-zero
1.53 schwarze 706: * offset.
1.1 kristaps 707: */
708:
709: switch (type) {
1.166 schwarze 710: case LIST_bullet:
1.1 kristaps 711: /* FALLTHROUGH */
1.166 schwarze 712: case LIST_dash:
1.1 kristaps 713: /* FALLTHROUGH */
1.166 schwarze 714: case LIST_hyphen:
1.144 schwarze 715: /* FALLTHROUGH */
1.166 schwarze 716: case LIST_enum:
1.144 schwarze 717: if (width < term_len(p, 2))
718: width = term_len(p, 2);
1.1 kristaps 719: break;
1.166 schwarze 720: case LIST_hang:
1.33 schwarze 721: if (0 == width)
1.89 schwarze 722: width = term_len(p, 8);
1.33 schwarze 723: break;
1.166 schwarze 724: case LIST_column:
1.41 schwarze 725: /* FALLTHROUGH */
1.166 schwarze 726: case LIST_tag:
1.1 kristaps 727: if (0 == width)
1.89 schwarze 728: width = term_len(p, 10);
1.1 kristaps 729: break;
730: default:
731: break;
732: }
733:
1.166 schwarze 734: /*
1.16 schwarze 735: * Whitespace control. Inset bodies need an initial space,
736: * while diagonal bodies need two.
1.1 kristaps 737: */
738:
1.42 schwarze 739: p->flags |= TERMP_NOSPACE;
740:
1.1 kristaps 741: switch (type) {
1.166 schwarze 742: case LIST_diag:
1.60 schwarze 743: if (MDOC_BODY == n->type)
1.48 schwarze 744: term_word(p, "\\ \\ ");
1.42 schwarze 745: break;
1.166 schwarze 746: case LIST_inset:
1.172 schwarze 747: if (MDOC_BODY == n->type && n->parent->head->nchild)
1.42 schwarze 748: term_word(p, "\\ ");
1.1 kristaps 749: break;
750: default:
751: break;
752: }
753:
1.42 schwarze 754: p->flags |= TERMP_NOSPACE;
755:
1.1 kristaps 756: switch (type) {
1.166 schwarze 757: case LIST_diag:
1.60 schwarze 758: if (MDOC_HEAD == n->type)
1.65 schwarze 759: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 760: break;
761: default:
762: break;
763: }
764:
765: /*
1.68 schwarze 766: * Pad and break control. This is the tricky part. These flags
767: * are documented in term_flushln() in term.c. Note that we're
768: * going to unset all of these flags in termp_it_post() when we
769: * exit.
1.1 kristaps 770: */
771:
772: switch (type) {
1.166 schwarze 773: case LIST_enum:
1.144 schwarze 774: /*
775: * Weird special case.
776: * Very narrow enum lists actually hang.
777: */
778: if (width == term_len(p, 2))
779: p->flags |= TERMP_HANG;
780: /* FALLTHROUGH */
1.166 schwarze 781: case LIST_bullet:
1.1 kristaps 782: /* FALLTHROUGH */
1.166 schwarze 783: case LIST_dash:
1.1 kristaps 784: /* FALLTHROUGH */
1.166 schwarze 785: case LIST_hyphen:
1.152 schwarze 786: if (MDOC_HEAD != n->type)
787: break;
788: p->flags |= TERMP_NOBREAK;
789: p->trailspace = 1;
1.33 schwarze 790: break;
1.166 schwarze 791: case LIST_hang:
1.152 schwarze 792: if (MDOC_HEAD != n->type)
1.47 schwarze 793: break;
794:
795: /*
796: * This is ugly. If `-hang' is specified and the body
797: * is a `Bl' or `Bd', then we want basically to nullify
798: * the "overstep" effect in term_flushln() and treat
799: * this as a `-ohang' list instead.
800: */
1.178 schwarze 801: if (NULL != n->next &&
802: NULL != n->next->child &&
1.166 schwarze 803: (MDOC_Bl == n->next->child->tok ||
804: MDOC_Bd == n->next->child->tok))
1.152 schwarze 805: break;
806:
1.165 schwarze 807: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.152 schwarze 808: p->trailspace = 1;
1.33 schwarze 809: break;
1.166 schwarze 810: case LIST_tag:
1.60 schwarze 811: if (MDOC_HEAD != n->type)
1.33 schwarze 812: break;
1.152 schwarze 813:
1.165 schwarze 814: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 815: p->trailspace = 2;
816:
1.60 schwarze 817: if (NULL == n->next || NULL == n->next->child)
1.33 schwarze 818: p->flags |= TERMP_DANGLE;
1.1 kristaps 819: break;
1.166 schwarze 820: case LIST_column:
1.85 schwarze 821: if (MDOC_HEAD == n->type)
822: break;
823:
1.152 schwarze 824: if (NULL == n->next) {
1.85 schwarze 825: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 826: p->trailspace = 0;
827: } else {
1.85 schwarze 828: p->flags |= TERMP_NOBREAK;
1.152 schwarze 829: p->trailspace = 1;
830: }
1.85 schwarze 831:
1.1 kristaps 832: break;
1.166 schwarze 833: case LIST_diag:
1.152 schwarze 834: if (MDOC_HEAD != n->type)
835: break;
1.165 schwarze 836: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 837: p->trailspace = 1;
1.1 kristaps 838: break;
839: default:
840: break;
841: }
842:
1.166 schwarze 843: /*
1.1 kristaps 844: * Margin control. Set-head-width lists have their right
845: * margins shortened. The body for these lists has the offset
846: * necessarily lengthened. Everybody gets the offset.
847: */
848:
849: p->offset += offset;
850:
851: switch (type) {
1.166 schwarze 852: case LIST_hang:
1.47 schwarze 853: /*
854: * Same stipulation as above, regarding `-hang'. We
855: * don't want to recalculate rmargin and offsets when
856: * using `Bd' or `Bl' within `-hang' overstep lists.
857: */
1.178 schwarze 858: if (MDOC_HEAD == n->type &&
859: NULL != n->next &&
860: NULL != n->next->child &&
1.166 schwarze 861: (MDOC_Bl == n->next->child->tok ||
862: MDOC_Bd == n->next->child->tok))
1.47 schwarze 863: break;
864: /* FALLTHROUGH */
1.166 schwarze 865: case LIST_bullet:
1.1 kristaps 866: /* FALLTHROUGH */
1.166 schwarze 867: case LIST_dash:
1.1 kristaps 868: /* FALLTHROUGH */
1.166 schwarze 869: case LIST_enum:
1.1 kristaps 870: /* FALLTHROUGH */
1.166 schwarze 871: case LIST_hyphen:
1.33 schwarze 872: /* FALLTHROUGH */
1.166 schwarze 873: case LIST_tag:
1.41 schwarze 874: assert(width);
1.60 schwarze 875: if (MDOC_HEAD == n->type)
1.1 kristaps 876: p->rmargin = p->offset + width;
1.191 schwarze 877: else
1.1 kristaps 878: p->offset += width;
879: break;
1.166 schwarze 880: case LIST_column:
1.41 schwarze 881: assert(width);
1.1 kristaps 882: p->rmargin = p->offset + width;
1.166 schwarze 883: /*
1.43 schwarze 884: * XXX - this behaviour is not documented: the
885: * right-most column is filled to the right margin.
886: */
1.85 schwarze 887: if (MDOC_HEAD == n->type)
888: break;
889: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43 schwarze 890: p->rmargin = p->maxrmargin;
1.1 kristaps 891: break;
892: default:
893: break;
894: }
895:
1.166 schwarze 896: /*
1.1 kristaps 897: * The dash, hyphen, bullet and enum lists all have a special
1.166 schwarze 898: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 899: */
900:
1.60 schwarze 901: if (MDOC_HEAD == n->type)
1.1 kristaps 902: switch (type) {
1.166 schwarze 903: case LIST_bullet:
1.65 schwarze 904: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 905: term_word(p, "\\[bu]");
1.65 schwarze 906: term_fontpop(p);
1.1 kristaps 907: break;
1.166 schwarze 908: case LIST_dash:
1.1 kristaps 909: /* FALLTHROUGH */
1.166 schwarze 910: case LIST_hyphen:
1.65 schwarze 911: term_fontpush(p, TERMFONT_BOLD);
1.35 schwarze 912: term_word(p, "\\(hy");
1.65 schwarze 913: term_fontpop(p);
1.1 kristaps 914: break;
1.166 schwarze 915: case LIST_enum:
1.1 kristaps 916: (pair->ppair->ppair->count)++;
1.167 schwarze 917: (void)snprintf(buf, sizeof(buf), "%d.",
1.166 schwarze 918: pair->ppair->ppair->count);
1.1 kristaps 919: term_word(p, buf);
920: break;
921: default:
922: break;
923: }
1.12 schwarze 924:
1.166 schwarze 925: /*
1.1 kristaps 926: * If we're not going to process our children, indicate so here.
927: */
928:
929: switch (type) {
1.166 schwarze 930: case LIST_bullet:
1.1 kristaps 931: /* FALLTHROUGH */
1.166 schwarze 932: case LIST_item:
1.1 kristaps 933: /* FALLTHROUGH */
1.166 schwarze 934: case LIST_dash:
1.1 kristaps 935: /* FALLTHROUGH */
1.166 schwarze 936: case LIST_hyphen:
1.1 kristaps 937: /* FALLTHROUGH */
1.166 schwarze 938: case LIST_enum:
1.60 schwarze 939: if (MDOC_HEAD == n->type)
1.1 kristaps 940: return(0);
941: break;
1.166 schwarze 942: case LIST_column:
1.85 schwarze 943: if (MDOC_HEAD == n->type)
1.1 kristaps 944: return(0);
945: break;
946: default:
947: break;
948: }
949:
950: return(1);
951: }
952:
953: static void
954: termp_it_post(DECL_ARGS)
955: {
1.82 schwarze 956: enum mdoc_list type;
1.1 kristaps 957:
1.68 schwarze 958: if (MDOC_BLOCK == n->type)
1.1 kristaps 959: return;
960:
1.121 schwarze 961: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 962:
963: switch (type) {
1.166 schwarze 964: case LIST_item:
1.44 schwarze 965: /* FALLTHROUGH */
1.166 schwarze 966: case LIST_diag:
1.1 kristaps 967: /* FALLTHROUGH */
1.166 schwarze 968: case LIST_inset:
1.60 schwarze 969: if (MDOC_BODY == n->type)
1.74 schwarze 970: term_newln(p);
1.1 kristaps 971: break;
1.166 schwarze 972: case LIST_column:
1.85 schwarze 973: if (MDOC_BODY == n->type)
1.1 kristaps 974: term_flushln(p);
975: break;
976: default:
1.74 schwarze 977: term_newln(p);
1.1 kristaps 978: break;
979: }
980:
1.166 schwarze 981: /*
1.68 schwarze 982: * Now that our output is flushed, we can reset our tags. Since
983: * only `It' sets these flags, we're free to assume that nobody
984: * has munged them in the meanwhile.
985: */
986:
1.165 schwarze 987: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
988: TERMP_DANGLE | TERMP_HANG);
1.152 schwarze 989: p->trailspace = 0;
1.1 kristaps 990: }
991:
992: static int
993: termp_nm_pre(DECL_ARGS)
994: {
995:
1.155 schwarze 996: if (MDOC_BLOCK == n->type) {
997: p->flags |= TERMP_PREKEEP;
1.94 schwarze 998: return(1);
1.155 schwarze 999: }
1.94 schwarze 1000:
1001: if (MDOC_BODY == n->type) {
1002: if (NULL == n->child)
1003: return(0);
1.136 schwarze 1004: p->flags |= TERMP_NOSPACE;
1.94 schwarze 1005: p->offset += term_len(p, 1) +
1.147 schwarze 1006: (NULL == n->prev->child ?
1007: term_strlen(p, meta->name) :
1.94 schwarze 1008: MDOC_TEXT == n->prev->child->type ?
1.147 schwarze 1009: term_strlen(p, n->prev->child->string) :
1.94 schwarze 1010: term_len(p, 5));
1011: return(1);
1012: }
1013:
1.147 schwarze 1014: if (NULL == n->child && NULL == meta->name)
1.94 schwarze 1015: return(0);
1.81 schwarze 1016:
1.97 schwarze 1017: if (MDOC_HEAD == n->type)
1018: synopsis_pre(p, n->parent);
1.65 schwarze 1019:
1.178 schwarze 1020: if (MDOC_HEAD == n->type &&
1021: NULL != n->next && NULL != n->next->child) {
1.165 schwarze 1022: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 1023: p->trailspace = 1;
1.105 schwarze 1024: p->rmargin = p->offset + term_len(p, 1);
1025: if (NULL == n->child) {
1.147 schwarze 1026: p->rmargin += term_strlen(p, meta->name);
1.105 schwarze 1027: } else if (MDOC_TEXT == n->child->type) {
1028: p->rmargin += term_strlen(p, n->child->string);
1029: if (n->child->next)
1030: p->flags |= TERMP_HANG;
1031: } else {
1032: p->rmargin += term_len(p, 5);
1033: p->flags |= TERMP_HANG;
1034: }
1.94 schwarze 1035: }
1036:
1.65 schwarze 1037: term_fontpush(p, TERMFONT_BOLD);
1.60 schwarze 1038: if (NULL == n->child)
1.147 schwarze 1039: term_word(p, meta->name);
1.1 kristaps 1040: return(1);
1041: }
1042:
1.94 schwarze 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);
1.178 schwarze 1049: } else if (MDOC_HEAD == n->type &&
1050: NULL != n->next && NULL != n->next->child) {
1.94 schwarze 1051: term_flushln(p);
1.165 schwarze 1052: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.152 schwarze 1053: p->trailspace = 0;
1.136 schwarze 1054: } else if (MDOC_BODY == n->type && n->child)
1.94 schwarze 1055: term_flushln(p);
1056: }
1057:
1.1 kristaps 1058: static int
1059: termp_fl_pre(DECL_ARGS)
1060: {
1061:
1.65 schwarze 1062: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1063: term_word(p, "\\-");
1.67 schwarze 1064:
1.179 schwarze 1065: if ( ! (n->nchild == 0 &&
1066: (n->next == NULL ||
1067: n->next->type == MDOC_TEXT ||
1068: n->next->flags & MDOC_LINE)))
1.73 schwarze 1069: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1070:
1.1 kristaps 1071: return(1);
1.49 schwarze 1072: }
1073:
1074: static int
1.104 schwarze 1075: termp__a_pre(DECL_ARGS)
1076: {
1077:
1078: if (n->prev && MDOC__A == n->prev->tok)
1079: if (NULL == n->next || MDOC__A != n->next->tok)
1080: term_word(p, "and");
1081:
1082: return(1);
1083: }
1084:
1085: static int
1.49 schwarze 1086: termp_an_pre(DECL_ARGS)
1087: {
1088:
1.181 schwarze 1089: if (n->norm->An.auth == AUTH_split) {
1090: p->flags &= ~TERMP_NOSPLIT;
1091: p->flags |= TERMP_SPLIT;
1092: return(0);
1093: }
1094: if (n->norm->An.auth == AUTH_nosplit) {
1095: p->flags &= ~TERMP_SPLIT;
1096: p->flags |= TERMP_NOSPLIT;
1097: return(0);
1098: }
1.49 schwarze 1099:
1.181 schwarze 1100: if (n->child == NULL)
1101: return(0);
1.166 schwarze 1102:
1.181 schwarze 1103: if (p->flags & TERMP_SPLIT)
1.49 schwarze 1104: term_newln(p);
1105:
1.181 schwarze 1106: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1107: p->flags |= TERMP_SPLIT;
1.49 schwarze 1108:
1109: return(1);
1.1 kristaps 1110: }
1111:
1112: static int
1113: termp_ns_pre(DECL_ARGS)
1114: {
1115:
1.127 schwarze 1116: if ( ! (MDOC_LINE & n->flags))
1117: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1118: return(1);
1119: }
1120:
1121: static int
1122: termp_rs_pre(DECL_ARGS)
1123: {
1124:
1.60 schwarze 1125: if (SEC_SEE_ALSO != n->sec)
1.57 schwarze 1126: return(1);
1.60 schwarze 1127: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1128: term_vspace(p);
1129: return(1);
1130: }
1131:
1132: static int
1133: termp_rv_pre(DECL_ARGS)
1134: {
1.132 schwarze 1135: int nchild;
1.1 kristaps 1136:
1137: term_newln(p);
1138:
1.132 schwarze 1139: nchild = n->nchild;
1.175 schwarze 1140: if (nchild > 0) {
1141: term_word(p, "The");
1.132 schwarze 1142:
1.175 schwarze 1143: for (n = n->child; n; n = n->next) {
1144: term_fontpush(p, TERMFONT_BOLD);
1145: term_word(p, n->string);
1146: term_fontpop(p);
1.132 schwarze 1147:
1148: p->flags |= TERMP_NOSPACE;
1.175 schwarze 1149: term_word(p, "()");
1150:
1151: if (n->next == NULL)
1152: continue;
1153:
1154: if (nchild > 2) {
1155: p->flags |= TERMP_NOSPACE;
1156: term_word(p, ",");
1157: }
1158: if (n->next->next == NULL)
1159: term_word(p, "and");
1.132 schwarze 1160: }
1161:
1.175 schwarze 1162: if (nchild > 1)
1163: term_word(p, "functions return");
1164: else
1165: term_word(p, "function returns");
1166:
1167: term_word(p, "the value\\~0 if successful;");
1168: } else
1169: term_word(p, "Upon successful completion,"
1170: " the value\\~0 is returned;");
1.1 kristaps 1171:
1.175 schwarze 1172: term_word(p, "otherwise the value\\~\\-1 is returned"
1173: " and the global variable");
1.1 kristaps 1174:
1.65 schwarze 1175: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1176: term_word(p, "errno");
1.65 schwarze 1177: term_fontpop(p);
1.1 kristaps 1178:
1.166 schwarze 1179: term_word(p, "is set to indicate the error.");
1.84 schwarze 1180: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1181:
1.53 schwarze 1182: return(0);
1.1 kristaps 1183: }
1184:
1185: static int
1186: termp_ex_pre(DECL_ARGS)
1187: {
1.132 schwarze 1188: int nchild;
1.1 kristaps 1189:
1.132 schwarze 1190: term_newln(p);
1.53 schwarze 1191: term_word(p, "The");
1.1 kristaps 1192:
1.132 schwarze 1193: nchild = n->nchild;
1194: for (n = n->child; n; n = n->next) {
1.65 schwarze 1195: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1196: term_word(p, n->string);
1.65 schwarze 1197: term_fontpop(p);
1.132 schwarze 1198:
1199: if (nchild > 2 && n->next) {
1200: p->flags |= TERMP_NOSPACE;
1.53 schwarze 1201: term_word(p, ",");
1.132 schwarze 1202: }
1203:
1204: if (n->next && NULL == n->next->next)
1205: term_word(p, "and");
1.53 schwarze 1206: }
1207:
1.132 schwarze 1208: if (nchild > 1)
1.175 schwarze 1209: term_word(p, "utilities exit\\~0");
1.53 schwarze 1210: else
1.175 schwarze 1211: term_word(p, "utility exits\\~0");
1.53 schwarze 1212:
1.175 schwarze 1213: term_word(p, "on success, and\\~>0 if an error occurs.");
1.132 schwarze 1214:
1.84 schwarze 1215: p->flags |= TERMP_SENTENCE;
1.53 schwarze 1216: return(0);
1.1 kristaps 1217: }
1218:
1219: static int
1220: termp_nd_pre(DECL_ARGS)
1221: {
1.25 schwarze 1222:
1.60 schwarze 1223: if (MDOC_BODY != n->type)
1.25 schwarze 1224: return(1);
1225:
1226: #if defined(__OpenBSD__) || defined(__linux__)
1227: term_word(p, "\\(en");
1.24 schwarze 1228: #else
1229: term_word(p, "\\(em");
1230: #endif
1.1 kristaps 1231: return(1);
1232: }
1233:
1.73 schwarze 1234: static int
1235: termp_bl_pre(DECL_ARGS)
1236: {
1237:
1238: return(MDOC_HEAD != n->type);
1239: }
1240:
1.1 kristaps 1241: static void
1242: termp_bl_post(DECL_ARGS)
1243: {
1244:
1.60 schwarze 1245: if (MDOC_BLOCK == n->type)
1.1 kristaps 1246: term_newln(p);
1247: }
1248:
1249: static int
1250: termp_xr_pre(DECL_ARGS)
1251: {
1252:
1.132 schwarze 1253: if (NULL == (n = n->child))
1.72 schwarze 1254: return(0);
1255:
1.132 schwarze 1256: assert(MDOC_TEXT == n->type);
1257: term_word(p, n->string);
1.10 schwarze 1258:
1.166 schwarze 1259: if (NULL == (n = n->next))
1.1 kristaps 1260: return(0);
1.132 schwarze 1261:
1.1 kristaps 1262: p->flags |= TERMP_NOSPACE;
1263: term_word(p, "(");
1.132 schwarze 1264: p->flags |= TERMP_NOSPACE;
1265:
1266: assert(MDOC_TEXT == n->type);
1267: term_word(p, n->string);
1268:
1269: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1270: term_word(p, ")");
1.60 schwarze 1271:
1.1 kristaps 1272: return(0);
1273: }
1274:
1.86 schwarze 1275: /*
1276: * This decides how to assert whitespace before any of the SYNOPSIS set
1277: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1278: * macro combos).
1279: */
1280: static void
1281: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1282: {
1.166 schwarze 1283: /*
1.86 schwarze 1284: * Obviously, if we're not in a SYNOPSIS or no prior macros
1285: * exist, do nothing.
1286: */
1.92 schwarze 1287: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.86 schwarze 1288: return;
1289:
1290: /*
1291: * If we're the second in a pair of like elements, emit our
1292: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1293: * case we soldier on.
1294: */
1.166 schwarze 1295: if (n->prev->tok == n->tok &&
1296: MDOC_Ft != n->tok &&
1297: MDOC_Fo != n->tok &&
1298: MDOC_Fn != n->tok) {
1.86 schwarze 1299: term_newln(p);
1300: return;
1301: }
1302:
1303: /*
1304: * If we're one of the SYNOPSIS set and non-like pair-wise after
1305: * another (or Fn/Fo, which we've let slip through) then assert
1306: * vertical space, else only newline and move on.
1307: */
1308: switch (n->prev->tok) {
1.166 schwarze 1309: case MDOC_Fd:
1.86 schwarze 1310: /* FALLTHROUGH */
1.166 schwarze 1311: case MDOC_Fn:
1.86 schwarze 1312: /* FALLTHROUGH */
1.166 schwarze 1313: case MDOC_Fo:
1.86 schwarze 1314: /* FALLTHROUGH */
1.166 schwarze 1315: case MDOC_In:
1.86 schwarze 1316: /* FALLTHROUGH */
1.166 schwarze 1317: case MDOC_Vt:
1.86 schwarze 1318: term_vspace(p);
1319: break;
1.166 schwarze 1320: case MDOC_Ft:
1.86 schwarze 1321: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1322: term_vspace(p);
1323: break;
1324: }
1325: /* FALLTHROUGH */
1326: default:
1327: term_newln(p);
1328: break;
1329: }
1330: }
1331:
1.69 schwarze 1332: static int
1333: termp_vt_pre(DECL_ARGS)
1334: {
1335:
1.86 schwarze 1336: if (MDOC_ELEM == n->type) {
1337: synopsis_pre(p, n);
1.147 schwarze 1338: return(termp_under_pre(p, pair, meta, n));
1.86 schwarze 1339: } else if (MDOC_BLOCK == n->type) {
1340: synopsis_pre(p, n);
1341: return(1);
1342: } else if (MDOC_HEAD == n->type)
1.69 schwarze 1343: return(0);
1344:
1.147 schwarze 1345: return(termp_under_pre(p, pair, meta, n));
1.69 schwarze 1346: }
1347:
1.1 kristaps 1348: static int
1.54 schwarze 1349: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1350: {
1351:
1.65 schwarze 1352: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1353: return(1);
1354: }
1355:
1.86 schwarze 1356: static int
1357: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1358: {
1359:
1.86 schwarze 1360: synopsis_pre(p, n);
1.147 schwarze 1361: return(termp_bold_pre(p, pair, meta, n));
1.1 kristaps 1362: }
1363:
1.143 schwarze 1364: static void
1365: termp_fd_post(DECL_ARGS)
1366: {
1367:
1368: term_newln(p);
1369: }
1370:
1.1 kristaps 1371: static int
1372: termp_sh_pre(DECL_ARGS)
1373: {
1.60 schwarze 1374:
1375: switch (n->type) {
1.166 schwarze 1376: case MDOC_BLOCK:
1.192 schwarze 1377: /*
1378: * Vertical space before sections, except
1379: * when the previous section was empty.
1380: */
1381: if (n->prev == NULL ||
1382: MDOC_Sh != n->prev->tok ||
1383: (n->prev->body != NULL &&
1384: n->prev->body->child != NULL))
1385: term_vspace(p);
1.52 schwarze 1386: break;
1.166 schwarze 1387: case MDOC_HEAD:
1.65 schwarze 1388: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1389: break;
1.166 schwarze 1390: case MDOC_BODY:
1.140 schwarze 1391: p->offset = term_len(p, p->defindent);
1.141 schwarze 1392: if (SEC_AUTHORS == n->sec)
1393: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1394: break;
1395: default:
1396: break;
1397: }
1398: return(1);
1399: }
1400:
1401: static void
1402: termp_sh_post(DECL_ARGS)
1403: {
1404:
1.60 schwarze 1405: switch (n->type) {
1.166 schwarze 1406: case MDOC_HEAD:
1.1 kristaps 1407: term_newln(p);
1408: break;
1.166 schwarze 1409: case MDOC_BODY:
1.1 kristaps 1410: term_newln(p);
1411: p->offset = 0;
1412: break;
1413: default:
1414: break;
1415: }
1416: }
1417:
1418: static int
1419: termp_bt_pre(DECL_ARGS)
1420: {
1421:
1422: term_word(p, "is currently in beta test.");
1.84 schwarze 1423: p->flags |= TERMP_SENTENCE;
1.59 schwarze 1424: return(0);
1.1 kristaps 1425: }
1426:
1427: static void
1428: termp_lb_post(DECL_ARGS)
1429: {
1430:
1.77 schwarze 1431: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.57 schwarze 1432: term_newln(p);
1.1 kristaps 1433: }
1434:
1435: static int
1436: termp_ud_pre(DECL_ARGS)
1437: {
1438:
1439: term_word(p, "currently under development.");
1.84 schwarze 1440: p->flags |= TERMP_SENTENCE;
1.60 schwarze 1441: return(0);
1.1 kristaps 1442: }
1443:
1444: static int
1445: termp_d1_pre(DECL_ARGS)
1446: {
1447:
1.60 schwarze 1448: if (MDOC_BLOCK != n->type)
1.1 kristaps 1449: return(1);
1450: term_newln(p);
1.140 schwarze 1451: p->offset += term_len(p, p->defindent + 1);
1.1 kristaps 1452: return(1);
1453: }
1454:
1455: static int
1456: termp_ft_pre(DECL_ARGS)
1457: {
1458:
1.85 schwarze 1459: /* NB: MDOC_LINE does not effect this! */
1.86 schwarze 1460: synopsis_pre(p, n);
1.65 schwarze 1461: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1462: return(1);
1463: }
1464:
1465: static int
1466: termp_fn_pre(DECL_ARGS)
1467: {
1.159 schwarze 1468: size_t rmargin = 0;
1.132 schwarze 1469: int pretty;
1470:
1471: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1472:
1.86 schwarze 1473: synopsis_pre(p, n);
1.85 schwarze 1474:
1.132 schwarze 1475: if (NULL == (n = n->child))
1476: return(0);
1477:
1.153 schwarze 1478: if (pretty) {
1479: rmargin = p->rmargin;
1.159 schwarze 1480: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1481: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.153 schwarze 1482: }
1483:
1.132 schwarze 1484: assert(MDOC_TEXT == n->type);
1.65 schwarze 1485: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1486: term_word(p, n->string);
1.65 schwarze 1487: term_fontpop(p);
1.1 kristaps 1488:
1.153 schwarze 1489: if (pretty) {
1490: term_flushln(p);
1.165 schwarze 1491: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.153 schwarze 1492: p->offset = p->rmargin;
1493: p->rmargin = rmargin;
1494: }
1495:
1.1 kristaps 1496: p->flags |= TERMP_NOSPACE;
1497: term_word(p, "(");
1.132 schwarze 1498: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1499:
1.132 schwarze 1500: for (n = n->next; n; n = n->next) {
1501: assert(MDOC_TEXT == n->type);
1.65 schwarze 1502: term_fontpush(p, TERMFONT_UNDER);
1.157 schwarze 1503: if (pretty)
1504: p->flags |= TERMP_NBRWORD;
1.132 schwarze 1505: term_word(p, n->string);
1.65 schwarze 1506: term_fontpop(p);
1507:
1.132 schwarze 1508: if (n->next) {
1509: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1510: term_word(p, ",");
1.132 schwarze 1511: }
1.1 kristaps 1512: }
1513:
1.132 schwarze 1514: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1515: term_word(p, ")");
1516:
1.132 schwarze 1517: if (pretty) {
1518: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1519: term_word(p, ";");
1.153 schwarze 1520: term_flushln(p);
1.132 schwarze 1521: }
1.1 kristaps 1522:
1523: return(0);
1524: }
1525:
1526: static int
1527: termp_fa_pre(DECL_ARGS)
1528: {
1.60 schwarze 1529: const struct mdoc_node *nn;
1.1 kristaps 1530:
1.60 schwarze 1531: if (n->parent->tok != MDOC_Fo) {
1.65 schwarze 1532: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1533: return(1);
1534: }
1535:
1.60 schwarze 1536: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1537: term_fontpush(p, TERMFONT_UNDER);
1.160 schwarze 1538: p->flags |= TERMP_NBRWORD;
1.60 schwarze 1539: term_word(p, nn->string);
1.65 schwarze 1540: term_fontpop(p);
1541:
1.158 schwarze 1542: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.132 schwarze 1543: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1544: term_word(p, ",");
1.132 schwarze 1545: }
1.1 kristaps 1546: }
1547:
1548: return(0);
1549: }
1550:
1551: static int
1552: termp_bd_pre(DECL_ARGS)
1553: {
1.174 schwarze 1554: size_t tabwidth, lm, len, rm, rmax;
1.146 schwarze 1555: struct mdoc_node *nn;
1.1 kristaps 1556:
1.60 schwarze 1557: if (MDOC_BLOCK == n->type) {
1.61 schwarze 1558: print_bvspace(p, n, n);
1.45 schwarze 1559: return(1);
1.73 schwarze 1560: } else if (MDOC_HEAD == n->type)
1561: return(0);
1.1 kristaps 1562:
1.187 schwarze 1563: /* Handle the -offset argument. */
1564:
1565: if (n->norm->Bd.offs == NULL ||
1566: ! strcmp(n->norm->Bd.offs, "left"))
1567: /* nothing */;
1568: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1569: p->offset += term_len(p, p->defindent + 1);
1570: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1571: p->offset += term_len(p, (p->defindent + 1) * 2);
1572: else
1573: p->offset += a2width(p, n->norm->Bd.offs);
1.60 schwarze 1574:
1575: /*
1576: * If -ragged or -filled are specified, the block does nothing
1577: * but change the indentation. If -unfilled or -literal are
1578: * specified, text is printed exactly as entered in the display:
1579: * for macro lines, a newline is appended to the line. Blank
1580: * lines are allowed.
1581: */
1.166 schwarze 1582:
1583: if (DISP_literal != n->norm->Bd.type &&
1.174 schwarze 1584: DISP_unfilled != n->norm->Bd.type &&
1585: DISP_centered != n->norm->Bd.type)
1.1 kristaps 1586: return(1);
1587:
1.75 schwarze 1588: tabwidth = p->tabwidth;
1.123 schwarze 1589: if (DISP_literal == n->norm->Bd.type)
1590: p->tabwidth = term_len(p, 8);
1591:
1.174 schwarze 1592: lm = p->offset;
1.77 schwarze 1593: rm = p->rmargin;
1594: rmax = p->maxrmargin;
1595: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1596:
1.60 schwarze 1597: for (nn = n->child; nn; nn = nn->next) {
1.174 schwarze 1598: if (DISP_centered == n->norm->Bd.type) {
1599: if (MDOC_TEXT == nn->type) {
1600: len = term_strlen(p, nn->string);
1601: p->offset = len >= rm ? 0 :
1602: lm + len >= rm ? rm - len :
1603: (lm + rm - len) / 2;
1604: } else
1605: p->offset = lm;
1606: }
1.147 schwarze 1607: print_mdoc_node(p, pair, meta, nn);
1.108 schwarze 1608: /*
1609: * If the printed node flushes its own line, then we
1610: * needn't do it here as well. This is hacky, but the
1611: * notion of selective eoln whitespace is pretty dumb
1612: * anyway, so don't sweat it.
1613: */
1614: switch (nn->tok) {
1.166 schwarze 1615: case MDOC_Sm:
1.112 schwarze 1616: /* FALLTHROUGH */
1.166 schwarze 1617: case MDOC_br:
1.108 schwarze 1618: /* FALLTHROUGH */
1.166 schwarze 1619: case MDOC_sp:
1.108 schwarze 1620: /* FALLTHROUGH */
1.166 schwarze 1621: case MDOC_Bl:
1.115 schwarze 1622: /* FALLTHROUGH */
1.166 schwarze 1623: case MDOC_D1:
1.115 schwarze 1624: /* FALLTHROUGH */
1.166 schwarze 1625: case MDOC_Dl:
1.108 schwarze 1626: /* FALLTHROUGH */
1.166 schwarze 1627: case MDOC_Lp:
1.108 schwarze 1628: /* FALLTHROUGH */
1.166 schwarze 1629: case MDOC_Pp:
1.108 schwarze 1630: continue;
1631: default:
1632: break;
1633: }
1.100 schwarze 1634: if (nn->next && nn->next->line == nn->line)
1635: continue;
1636: term_flushln(p);
1.48 schwarze 1637: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1638: }
1.88 schwarze 1639:
1.75 schwarze 1640: p->tabwidth = tabwidth;
1.77 schwarze 1641: p->rmargin = rm;
1642: p->maxrmargin = rmax;
1.1 kristaps 1643: return(0);
1644: }
1645:
1646: static void
1647: termp_bd_post(DECL_ARGS)
1648: {
1.77 schwarze 1649: size_t rm, rmax;
1.1 kristaps 1650:
1.166 schwarze 1651: if (MDOC_BODY != n->type)
1.1 kristaps 1652: return;
1.77 schwarze 1653:
1654: rm = p->rmargin;
1655: rmax = p->maxrmargin;
1656:
1.166 schwarze 1657: if (DISP_literal == n->norm->Bd.type ||
1658: DISP_unfilled == n->norm->Bd.type)
1.77 schwarze 1659: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1660:
1.48 schwarze 1661: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1662: term_newln(p);
1.77 schwarze 1663:
1664: p->rmargin = rm;
1665: p->maxrmargin = rmax;
1.1 kristaps 1666: }
1667:
1.126 schwarze 1668: static int
1669: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1670: {
1671:
1.126 schwarze 1672: if (NULL != (n = n->child)) {
1673: term_word(p, n->string);
1674: p->flags |= TERMP_NOSPACE;
1675: term_word(p, "BSD");
1676: } else {
1677: term_word(p, "BSD");
1678: return(0);
1679: }
1680:
1681: if (NULL != (n = n->next)) {
1682: p->flags |= TERMP_NOSPACE;
1683: term_word(p, "-");
1.1 kristaps 1684: p->flags |= TERMP_NOSPACE;
1.126 schwarze 1685: term_word(p, n->string);
1686: }
1687:
1688: return(0);
1.1 kristaps 1689: }
1690:
1691: static int
1.26 schwarze 1692: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1693: {
1.26 schwarze 1694: const char *pp;
1.129 schwarze 1695: int flags;
1.1 kristaps 1696:
1.26 schwarze 1697: pp = NULL;
1.60 schwarze 1698: switch (n->tok) {
1.166 schwarze 1699: case MDOC_Bsx:
1.113 schwarze 1700: pp = "BSD/OS";
1.26 schwarze 1701: break;
1.166 schwarze 1702: case MDOC_Dx:
1.64 schwarze 1703: pp = "DragonFly";
1.26 schwarze 1704: break;
1.166 schwarze 1705: case MDOC_Fx:
1.26 schwarze 1706: pp = "FreeBSD";
1707: break;
1.166 schwarze 1708: case MDOC_Nx:
1.26 schwarze 1709: pp = "NetBSD";
1710: break;
1.166 schwarze 1711: case MDOC_Ox:
1.26 schwarze 1712: pp = "OpenBSD";
1713: break;
1.166 schwarze 1714: case MDOC_Ux:
1.26 schwarze 1715: pp = "UNIX";
1716: break;
1717: default:
1.148 schwarze 1718: abort();
1719: /* NOTREACHED */
1.26 schwarze 1720: }
1.1 kristaps 1721:
1.26 schwarze 1722: term_word(p, pp);
1.129 schwarze 1723: if (n->child) {
1724: flags = p->flags;
1725: p->flags |= TERMP_KEEP;
1726: term_word(p, n->child->string);
1727: p->flags = flags;
1728: }
1729: return(0);
1.1 kristaps 1730: }
1731:
1732: static void
1733: termp_pf_post(DECL_ARGS)
1734: {
1735:
1736: p->flags |= TERMP_NOSPACE;
1737: }
1738:
1739: static int
1740: termp_ss_pre(DECL_ARGS)
1741: {
1742:
1.60 schwarze 1743: switch (n->type) {
1.166 schwarze 1744: case MDOC_BLOCK:
1.1 kristaps 1745: term_newln(p);
1.60 schwarze 1746: if (n->prev)
1.1 kristaps 1747: term_vspace(p);
1748: break;
1.166 schwarze 1749: case MDOC_HEAD:
1.65 schwarze 1750: term_fontpush(p, TERMFONT_BOLD);
1.140 schwarze 1751: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1752: break;
1.176 schwarze 1753: case MDOC_BODY:
1754: p->offset = term_len(p, p->defindent);
1755: break;
1.1 kristaps 1756: default:
1757: break;
1758: }
1759:
1760: return(1);
1761: }
1762:
1763: static void
1764: termp_ss_post(DECL_ARGS)
1765: {
1766:
1.176 schwarze 1767: if (n->type == MDOC_HEAD || n->type == MDOC_BODY)
1.1 kristaps 1768: term_newln(p);
1769: }
1770:
1771: static int
1772: termp_cd_pre(DECL_ARGS)
1773: {
1774:
1.86 schwarze 1775: synopsis_pre(p, n);
1.65 schwarze 1776: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1777: return(1);
1778: }
1779:
1780: static int
1781: termp_in_pre(DECL_ARGS)
1782: {
1783:
1.86 schwarze 1784: synopsis_pre(p, n);
1.85 schwarze 1785:
1.92 schwarze 1786: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.85 schwarze 1787: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1788: term_word(p, "#include");
1.85 schwarze 1789: term_word(p, "<");
1790: } else {
1791: term_word(p, "<");
1792: term_fontpush(p, TERMFONT_UNDER);
1793: }
1.23 schwarze 1794:
1.1 kristaps 1795: p->flags |= TERMP_NOSPACE;
1796: return(1);
1797: }
1798:
1799: static void
1800: termp_in_post(DECL_ARGS)
1801: {
1802:
1.92 schwarze 1803: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1804: term_fontpush(p, TERMFONT_BOLD);
1805:
1.59 schwarze 1806: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1807: term_word(p, ">");
1808:
1.92 schwarze 1809: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1810: term_fontpop(p);
1.38 schwarze 1811: }
1812:
1813: static int
1814: termp_sp_pre(DECL_ARGS)
1815: {
1.61 schwarze 1816: size_t i, len;
1.38 schwarze 1817:
1.60 schwarze 1818: switch (n->tok) {
1.166 schwarze 1819: case MDOC_sp:
1.89 schwarze 1820: len = n->child ? a2height(p, n->child->string) : 1;
1.54 schwarze 1821: break;
1.166 schwarze 1822: case MDOC_br:
1.54 schwarze 1823: len = 0;
1824: break;
1825: default:
1826: len = 1;
1827: break;
1.38 schwarze 1828: }
1829:
1830: if (0 == len)
1831: term_newln(p);
1832: for (i = 0; i < len; i++)
1833: term_vspace(p);
1834:
1835: return(0);
1836: }
1837:
1838: static int
1.193 ! schwarze 1839: termp_skip_pre(DECL_ARGS)
1.170 schwarze 1840: {
1841:
1842: return(0);
1843: }
1844:
1845: static int
1.107 schwarze 1846: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1847: {
1848:
1.120 schwarze 1849: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1850: return(1);
1851:
1.107 schwarze 1852: switch (n->tok) {
1.166 schwarze 1853: case MDOC_Ao:
1.107 schwarze 1854: /* FALLTHROUGH */
1.166 schwarze 1855: case MDOC_Aq:
1.190 schwarze 1856: term_word(p, n->parent->prev != NULL &&
1857: n->parent->prev->tok == MDOC_An ? "<" : "\\(la");
1.107 schwarze 1858: break;
1.166 schwarze 1859: case MDOC_Bro:
1.107 schwarze 1860: /* FALLTHROUGH */
1.166 schwarze 1861: case MDOC_Brq:
1.107 schwarze 1862: term_word(p, "{");
1863: break;
1.166 schwarze 1864: case MDOC_Oo:
1.107 schwarze 1865: /* FALLTHROUGH */
1.166 schwarze 1866: case MDOC_Op:
1.107 schwarze 1867: /* FALLTHROUGH */
1.166 schwarze 1868: case MDOC_Bo:
1.107 schwarze 1869: /* FALLTHROUGH */
1.166 schwarze 1870: case MDOC_Bq:
1.107 schwarze 1871: term_word(p, "[");
1872: break;
1.166 schwarze 1873: case MDOC_Do:
1.107 schwarze 1874: /* FALLTHROUGH */
1.166 schwarze 1875: case MDOC_Dq:
1.151 schwarze 1876: term_word(p, "\\(lq");
1.107 schwarze 1877: break;
1.170 schwarze 1878: case MDOC_En:
1879: if (NULL == n->norm->Es ||
1880: NULL == n->norm->Es->child)
1881: return(1);
1882: term_word(p, n->norm->Es->child->string);
1883: break;
1.166 schwarze 1884: case MDOC_Eo:
1.139 schwarze 1885: break;
1.166 schwarze 1886: case MDOC_Po:
1.107 schwarze 1887: /* FALLTHROUGH */
1.166 schwarze 1888: case MDOC_Pq:
1.107 schwarze 1889: term_word(p, "(");
1890: break;
1.166 schwarze 1891: case MDOC__T:
1.120 schwarze 1892: /* FALLTHROUGH */
1.166 schwarze 1893: case MDOC_Qo:
1.107 schwarze 1894: /* FALLTHROUGH */
1.166 schwarze 1895: case MDOC_Qq:
1.107 schwarze 1896: term_word(p, "\"");
1897: break;
1.166 schwarze 1898: case MDOC_Ql:
1.107 schwarze 1899: /* FALLTHROUGH */
1.166 schwarze 1900: case MDOC_So:
1.107 schwarze 1901: /* FALLTHROUGH */
1.166 schwarze 1902: case MDOC_Sq:
1.151 schwarze 1903: term_word(p, "\\(oq");
1.107 schwarze 1904: break;
1905: default:
1906: abort();
1907: /* NOTREACHED */
1908: }
1.1 kristaps 1909:
1910: p->flags |= TERMP_NOSPACE;
1911: return(1);
1912: }
1913:
1914: static void
1.107 schwarze 1915: termp_quote_post(DECL_ARGS)
1.1 kristaps 1916: {
1917:
1.120 schwarze 1918: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1919: return;
1920:
1.170 schwarze 1921: if (MDOC_En != n->tok)
1922: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1923:
1.107 schwarze 1924: switch (n->tok) {
1.166 schwarze 1925: case MDOC_Ao:
1.107 schwarze 1926: /* FALLTHROUGH */
1.166 schwarze 1927: case MDOC_Aq:
1.190 schwarze 1928: term_word(p, n->parent->prev != NULL &&
1929: n->parent->prev->tok == MDOC_An ? ">" : "\\(ra");
1.107 schwarze 1930: break;
1.166 schwarze 1931: case MDOC_Bro:
1.107 schwarze 1932: /* FALLTHROUGH */
1.166 schwarze 1933: case MDOC_Brq:
1.107 schwarze 1934: term_word(p, "}");
1935: break;
1.166 schwarze 1936: case MDOC_Oo:
1.107 schwarze 1937: /* FALLTHROUGH */
1.166 schwarze 1938: case MDOC_Op:
1.107 schwarze 1939: /* FALLTHROUGH */
1.166 schwarze 1940: case MDOC_Bo:
1.107 schwarze 1941: /* FALLTHROUGH */
1.166 schwarze 1942: case MDOC_Bq:
1.107 schwarze 1943: term_word(p, "]");
1944: break;
1.166 schwarze 1945: case MDOC_Do:
1.107 schwarze 1946: /* FALLTHROUGH */
1.166 schwarze 1947: case MDOC_Dq:
1.151 schwarze 1948: term_word(p, "\\(rq");
1.170 schwarze 1949: break;
1950: case MDOC_En:
1951: if (NULL != n->norm->Es &&
1952: NULL != n->norm->Es->child &&
1953: NULL != n->norm->Es->child->next) {
1954: p->flags |= TERMP_NOSPACE;
1955: term_word(p, n->norm->Es->child->next->string);
1956: }
1.139 schwarze 1957: break;
1.166 schwarze 1958: case MDOC_Eo:
1.107 schwarze 1959: break;
1.166 schwarze 1960: case MDOC_Po:
1.107 schwarze 1961: /* FALLTHROUGH */
1.166 schwarze 1962: case MDOC_Pq:
1.107 schwarze 1963: term_word(p, ")");
1964: break;
1.166 schwarze 1965: case MDOC__T:
1.120 schwarze 1966: /* FALLTHROUGH */
1.166 schwarze 1967: case MDOC_Qo:
1.107 schwarze 1968: /* FALLTHROUGH */
1.166 schwarze 1969: case MDOC_Qq:
1.107 schwarze 1970: term_word(p, "\"");
1971: break;
1.166 schwarze 1972: case MDOC_Ql:
1.107 schwarze 1973: /* FALLTHROUGH */
1.166 schwarze 1974: case MDOC_So:
1.107 schwarze 1975: /* FALLTHROUGH */
1.166 schwarze 1976: case MDOC_Sq:
1.151 schwarze 1977: term_word(p, "\\(cq");
1.107 schwarze 1978: break;
1979: default:
1980: abort();
1981: /* NOTREACHED */
1982: }
1.1 kristaps 1983: }
1984:
1985: static int
1986: termp_fo_pre(DECL_ARGS)
1987: {
1.159 schwarze 1988: size_t rmargin = 0;
1.158 schwarze 1989: int pretty;
1990:
1991: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1992:
1.85 schwarze 1993: if (MDOC_BLOCK == n->type) {
1.86 schwarze 1994: synopsis_pre(p, n);
1.85 schwarze 1995: return(1);
1996: } else if (MDOC_BODY == n->type) {
1.158 schwarze 1997: if (pretty) {
1998: rmargin = p->rmargin;
1.159 schwarze 1999: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 2000: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
2001: TERMP_HANG;
1.158 schwarze 2002: }
1.31 schwarze 2003: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2004: term_word(p, "(");
1.132 schwarze 2005: p->flags |= TERMP_NOSPACE;
1.158 schwarze 2006: if (pretty) {
2007: term_flushln(p);
1.165 schwarze 2008: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
2009: TERMP_HANG);
1.158 schwarze 2010: p->offset = p->rmargin;
2011: p->rmargin = rmargin;
2012: }
1.1 kristaps 2013: return(1);
1.158 schwarze 2014: }
1.85 schwarze 2015:
1.95 schwarze 2016: if (NULL == n->child)
2017: return(0);
2018:
1.85 schwarze 2019: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2020:
1.85 schwarze 2021: assert(n->child->string);
1.65 schwarze 2022: term_fontpush(p, TERMFONT_BOLD);
1.85 schwarze 2023: term_word(p, n->child->string);
1.1 kristaps 2024: return(0);
2025: }
2026:
2027: static void
2028: termp_fo_post(DECL_ARGS)
2029: {
2030:
1.166 schwarze 2031: if (MDOC_BODY != n->type)
1.86 schwarze 2032: return;
2033:
1.132 schwarze 2034: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2035: term_word(p, ")");
2036:
1.132 schwarze 2037: if (MDOC_SYNPRETTY & n->flags) {
2038: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2039: term_word(p, ";");
1.158 schwarze 2040: term_flushln(p);
1.132 schwarze 2041: }
1.1 kristaps 2042: }
2043:
2044: static int
2045: termp_bf_pre(DECL_ARGS)
2046: {
2047:
1.60 schwarze 2048: if (MDOC_HEAD == n->type)
1.1 kristaps 2049: return(0);
1.146 schwarze 2050: else if (MDOC_BODY != n->type)
1.1 kristaps 2051: return(1);
2052:
1.166 schwarze 2053: if (FONT_Em == n->norm->Bf.font)
1.65 schwarze 2054: term_fontpush(p, TERMFONT_UNDER);
1.166 schwarze 2055: else if (FONT_Sy == n->norm->Bf.font)
1.65 schwarze 2056: term_fontpush(p, TERMFONT_BOLD);
1.166 schwarze 2057: else
1.65 schwarze 2058: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2059:
2060: return(1);
2061: }
2062:
2063: static int
2064: termp_sm_pre(DECL_ARGS)
2065: {
2066:
1.171 schwarze 2067: if (NULL == n->child)
2068: p->flags ^= TERMP_NONOSPACE;
2069: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 2070: p->flags &= ~TERMP_NONOSPACE;
1.171 schwarze 2071: else
1.1 kristaps 2072: p->flags |= TERMP_NONOSPACE;
1.171 schwarze 2073:
2074: if (p->col && ! (TERMP_NONOSPACE & p->flags))
2075: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2076:
2077: return(0);
2078: }
2079:
2080: static int
2081: termp_ap_pre(DECL_ARGS)
2082: {
2083:
2084: p->flags |= TERMP_NOSPACE;
1.107 schwarze 2085: term_word(p, "'");
1.1 kristaps 2086: p->flags |= TERMP_NOSPACE;
2087: return(1);
2088: }
2089:
2090: static void
2091: termp____post(DECL_ARGS)
2092: {
1.104 schwarze 2093:
2094: /*
2095: * Handle lists of authors. In general, print each followed by
2096: * a comma. Don't print the comma if there are only two
2097: * authors.
2098: */
2099: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2100: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2101: if (NULL == n->prev || MDOC__A != n->prev->tok)
2102: return;
1.1 kristaps 2103:
1.62 schwarze 2104: /* TODO: %U. */
2105:
1.106 schwarze 2106: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2107: return;
2108:
1.132 schwarze 2109: p->flags |= TERMP_NOSPACE;
1.106 schwarze 2110: if (NULL == n->next) {
2111: term_word(p, ".");
2112: p->flags |= TERMP_SENTENCE;
2113: } else
2114: term_word(p, ",");
1.1 kristaps 2115: }
2116:
2117: static int
1.65 schwarze 2118: termp_li_pre(DECL_ARGS)
2119: {
2120:
2121: term_fontpush(p, TERMFONT_NONE);
2122: return(1);
2123: }
2124:
2125: static int
1.1 kristaps 2126: termp_lk_pre(DECL_ARGS)
2127: {
1.142 schwarze 2128: const struct mdoc_node *link, *descr;
1.1 kristaps 2129:
1.142 schwarze 2130: if (NULL == (link = n->child))
2131: return(0);
1.101 schwarze 2132:
1.142 schwarze 2133: if (NULL != (descr = link->next)) {
2134: term_fontpush(p, TERMFONT_UNDER);
2135: while (NULL != descr) {
2136: term_word(p, descr->string);
2137: descr = descr->next;
2138: }
2139: p->flags |= TERMP_NOSPACE;
2140: term_word(p, ":");
2141: term_fontpop(p);
2142: }
1.1 kristaps 2143:
1.65 schwarze 2144: term_fontpush(p, TERMFONT_BOLD);
1.142 schwarze 2145: term_word(p, link->string);
1.65 schwarze 2146: term_fontpop(p);
1.6 schwarze 2147:
1.1 kristaps 2148: return(0);
2149: }
2150:
1.90 schwarze 2151: static int
2152: termp_bk_pre(DECL_ARGS)
2153: {
2154:
1.91 schwarze 2155: switch (n->type) {
1.166 schwarze 2156: case MDOC_BLOCK:
1.95 schwarze 2157: break;
1.166 schwarze 2158: case MDOC_HEAD:
1.91 schwarze 2159: return(0);
1.166 schwarze 2160: case MDOC_BODY:
1.117 schwarze 2161: if (n->parent->args || 0 == n->prev->nchild)
2162: p->flags |= TERMP_PREKEEP;
1.95 schwarze 2163: break;
1.91 schwarze 2164: default:
2165: abort();
1.95 schwarze 2166: /* NOTREACHED */
1.91 schwarze 2167: }
1.95 schwarze 2168:
2169: return(1);
1.90 schwarze 2170: }
2171:
2172: static void
2173: termp_bk_post(DECL_ARGS)
2174: {
2175:
1.155 schwarze 2176: if (MDOC_BODY == n->type)
1.91 schwarze 2177: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 2178: }
1.120 schwarze 2179:
2180: static void
2181: termp__t_post(DECL_ARGS)
2182: {
2183:
2184: /*
2185: * If we're in an `Rs' and there's a journal present, then quote
2186: * us instead of underlining us (for disambiguation).
2187: */
1.121 schwarze 2188: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2189: n->parent->norm->Rs.quote_T)
1.147 schwarze 2190: termp_quote_post(p, pair, meta, n);
1.120 schwarze 2191:
1.147 schwarze 2192: termp____post(p, pair, meta, n);
1.120 schwarze 2193: }
2194:
2195: static int
2196: termp__t_pre(DECL_ARGS)
2197: {
2198:
2199: /*
2200: * If we're in an `Rs' and there's a journal present, then quote
2201: * us instead of underlining us (for disambiguation).
2202: */
1.121 schwarze 2203: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2204: n->parent->norm->Rs.quote_T)
1.147 schwarze 2205: return(termp_quote_pre(p, pair, meta, n));
1.120 schwarze 2206:
2207: term_fontpush(p, TERMFONT_UNDER);
2208: return(1);
1.121 schwarze 2209: }
1.1 kristaps 2210:
2211: static int
1.54 schwarze 2212: termp_under_pre(DECL_ARGS)
1.1 kristaps 2213: {
2214:
1.65 schwarze 2215: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 2216: return(1);
2217: }
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