Annotation of mandoc/mdoc_term.c, Revision 1.308
1.308 ! schwarze 1: /* $Id: mdoc_term.c,v 1.307 2015/02/05 00:14:13 schwarze Exp $ */
1.1 kristaps 2: /*
1.217 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.303 schwarze 4: * Copyright (c) 2010, 2012-2015 Ingo Schwarze <schwarze@openbsd.org>
1.256 schwarze 5: * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
1.1 kristaps 6: *
7: * Permission to use, copy, modify, and distribute this software for any
1.6 kristaps 8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 10: *
1.6 kristaps 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 18: */
1.107 kristaps 19: #include "config.h"
20:
1.1 kristaps 21: #include <sys/types.h>
22:
23: #include <assert.h>
24: #include <ctype.h>
1.302 schwarze 25: #include <limits.h>
1.118 kristaps 26: #include <stdint.h>
1.1 kristaps 27: #include <stdio.h>
28: #include <stdlib.h>
29: #include <string.h>
30:
1.125 kristaps 31: #include "mandoc.h"
1.266 schwarze 32: #include "mandoc_aux.h"
1.92 kristaps 33: #include "out.h"
1.1 kristaps 34: #include "term.h"
35: #include "mdoc.h"
1.89 kristaps 36: #include "main.h"
1.1 kristaps 37:
38: struct termpair {
39: struct termpair *ppair;
1.31 kristaps 40: int count;
1.1 kristaps 41: };
42:
1.31 kristaps 43: #define DECL_ARGS struct termp *p, \
44: struct termpair *pair, \
1.264 schwarze 45: const struct mdoc_meta *meta, \
1.244 schwarze 46: struct mdoc_node *n
1.1 kristaps 47:
48: struct termact {
49: int (*pre)(DECL_ARGS);
50: void (*post)(DECL_ARGS);
51: };
52:
1.302 schwarze 53: static int a2width(const struct termp *, const char *);
1.96 kristaps 54:
55: static void print_bvspace(struct termp *,
1.151 kristaps 56: const struct mdoc_node *,
1.96 kristaps 57: const struct mdoc_node *);
1.264 schwarze 58: static void print_mdoc_node(DECL_ARGS);
1.145 kristaps 59: static void print_mdoc_nodelist(DECL_ARGS);
1.144 kristaps 60: static void print_mdoc_head(struct termp *, const void *);
1.145 kristaps 61: static void print_mdoc_foot(struct termp *, const void *);
1.264 schwarze 62: static void synopsis_pre(struct termp *,
1.143 kristaps 63: const struct mdoc_node *);
1.96 kristaps 64:
1.31 kristaps 65: static void termp____post(DECL_ARGS);
1.203 kristaps 66: static void termp__t_post(DECL_ARGS);
1.31 kristaps 67: static void termp_bd_post(DECL_ARGS);
1.159 schwarze 68: static void termp_bk_post(DECL_ARGS);
1.31 kristaps 69: static void termp_bl_post(DECL_ARGS);
1.306 schwarze 70: static void termp_eo_post(DECL_ARGS);
1.241 schwarze 71: static void termp_fd_post(DECL_ARGS);
1.31 kristaps 72: static void termp_fo_post(DECL_ARGS);
73: static void termp_in_post(DECL_ARGS);
74: static void termp_it_post(DECL_ARGS);
75: static void termp_lb_post(DECL_ARGS);
1.164 schwarze 76: static void termp_nm_post(DECL_ARGS);
1.31 kristaps 77: static void termp_pf_post(DECL_ARGS);
1.188 kristaps 78: static void termp_quote_post(DECL_ARGS);
1.31 kristaps 79: static void termp_sh_post(DECL_ARGS);
80: static void termp_ss_post(DECL_ARGS);
81:
1.184 kristaps 82: static int termp__a_pre(DECL_ARGS);
1.203 kristaps 83: static int termp__t_pre(DECL_ARGS);
1.61 kristaps 84: static int termp_an_pre(DECL_ARGS);
1.31 kristaps 85: static int termp_ap_pre(DECL_ARGS);
86: static int termp_bd_pre(DECL_ARGS);
87: static int termp_bf_pre(DECL_ARGS);
1.159 schwarze 88: static int termp_bk_pre(DECL_ARGS);
1.115 kristaps 89: static int termp_bl_pre(DECL_ARGS);
1.69 kristaps 90: static int termp_bold_pre(DECL_ARGS);
1.31 kristaps 91: static int termp_bt_pre(DECL_ARGS);
1.211 kristaps 92: static int termp_bx_pre(DECL_ARGS);
1.31 kristaps 93: static int termp_cd_pre(DECL_ARGS);
94: static int termp_d1_pre(DECL_ARGS);
1.306 schwarze 95: static int termp_eo_pre(DECL_ARGS);
1.31 kristaps 96: static int termp_ex_pre(DECL_ARGS);
97: static int termp_fa_pre(DECL_ARGS);
1.188 kristaps 98: static int termp_fd_pre(DECL_ARGS);
1.31 kristaps 99: static int termp_fl_pre(DECL_ARGS);
100: static int termp_fn_pre(DECL_ARGS);
101: static int termp_fo_pre(DECL_ARGS);
102: static int termp_ft_pre(DECL_ARGS);
103: static int termp_in_pre(DECL_ARGS);
104: static int termp_it_pre(DECL_ARGS);
1.102 kristaps 105: static int termp_li_pre(DECL_ARGS);
1.260 schwarze 106: static int termp_ll_pre(DECL_ARGS);
1.31 kristaps 107: static int termp_lk_pre(DECL_ARGS);
108: static int termp_nd_pre(DECL_ARGS);
109: static int termp_nm_pre(DECL_ARGS);
110: static int termp_ns_pre(DECL_ARGS);
1.188 kristaps 111: static int termp_quote_pre(DECL_ARGS);
1.31 kristaps 112: static int termp_rs_pre(DECL_ARGS);
113: static int termp_rv_pre(DECL_ARGS);
114: static int termp_sh_pre(DECL_ARGS);
1.294 schwarze 115: static int termp_skip_pre(DECL_ARGS);
1.31 kristaps 116: static int termp_sm_pre(DECL_ARGS);
1.45 kristaps 117: static int termp_sp_pre(DECL_ARGS);
1.31 kristaps 118: static int termp_ss_pre(DECL_ARGS);
1.69 kristaps 119: static int termp_under_pre(DECL_ARGS);
1.31 kristaps 120: static int termp_ud_pre(DECL_ARGS);
1.110 kristaps 121: static int termp_vt_pre(DECL_ARGS);
1.31 kristaps 122: static int termp_xr_pre(DECL_ARGS);
123: static int termp_xx_pre(DECL_ARGS);
124:
1.70 kristaps 125: static const struct termact termacts[MDOC_MAX] = {
1.14 kristaps 126: { termp_ap_pre, NULL }, /* Ap */
1.1 kristaps 127: { NULL, NULL }, /* Dd */
128: { NULL, NULL }, /* Dt */
129: { NULL, NULL }, /* Os */
130: { termp_sh_pre, termp_sh_post }, /* Sh */
1.264 schwarze 131: { termp_ss_pre, termp_ss_post }, /* Ss */
132: { termp_sp_pre, NULL }, /* Pp */
1.241 schwarze 133: { termp_d1_pre, termp_bl_post }, /* D1 */
134: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 135: { termp_bd_pre, termp_bd_post }, /* Bd */
136: { NULL, NULL }, /* Ed */
1.115 kristaps 137: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 138: { NULL, NULL }, /* El */
139: { termp_it_pre, termp_it_post }, /* It */
1.264 schwarze 140: { termp_under_pre, NULL }, /* Ad */
1.282 schwarze 141: { termp_an_pre, NULL }, /* An */
1.69 kristaps 142: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 143: { termp_cd_pre, NULL }, /* Cd */
1.69 kristaps 144: { termp_bold_pre, NULL }, /* Cm */
1.264 schwarze 145: { NULL, NULL }, /* Dv */
146: { NULL, NULL }, /* Er */
147: { NULL, NULL }, /* Ev */
1.1 kristaps 148: { termp_ex_pre, NULL }, /* Ex */
1.264 schwarze 149: { termp_fa_pre, NULL }, /* Fa */
150: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 151: { termp_fl_pre, NULL }, /* Fl */
1.264 schwarze 152: { termp_fn_pre, NULL }, /* Fn */
153: { termp_ft_pre, NULL }, /* Ft */
154: { termp_bold_pre, NULL }, /* Ic */
155: { termp_in_pre, termp_in_post }, /* In */
1.102 kristaps 156: { termp_li_pre, NULL }, /* Li */
1.264 schwarze 157: { termp_nd_pre, NULL }, /* Nd */
158: { termp_nm_pre, termp_nm_post }, /* Nm */
1.188 kristaps 159: { termp_quote_pre, termp_quote_post }, /* Op */
1.268 schwarze 160: { termp_ft_pre, NULL }, /* Ot */
1.69 kristaps 161: { termp_under_pre, NULL }, /* Pa */
1.1 kristaps 162: { termp_rv_pre, NULL }, /* Rv */
1.264 schwarze 163: { NULL, NULL }, /* St */
1.69 kristaps 164: { termp_under_pre, NULL }, /* Va */
1.143 kristaps 165: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 166: { termp_xr_pre, NULL }, /* Xr */
1.184 kristaps 167: { termp__a_pre, termp____post }, /* %A */
1.84 kristaps 168: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 169: { NULL, termp____post }, /* %D */
1.84 kristaps 170: { termp_under_pre, termp____post }, /* %I */
1.69 kristaps 171: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 172: { NULL, termp____post }, /* %N */
173: { NULL, termp____post }, /* %O */
174: { NULL, termp____post }, /* %P */
175: { NULL, termp____post }, /* %R */
1.203 kristaps 176: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 177: { NULL, termp____post }, /* %V */
178: { NULL, NULL }, /* Ac */
1.188 kristaps 179: { termp_quote_pre, termp_quote_post }, /* Ao */
180: { termp_quote_pre, termp_quote_post }, /* Aq */
1.35 kristaps 181: { NULL, NULL }, /* At */
1.1 kristaps 182: { NULL, NULL }, /* Bc */
1.264 schwarze 183: { termp_bf_pre, NULL }, /* Bf */
1.188 kristaps 184: { termp_quote_pre, termp_quote_post }, /* Bo */
185: { termp_quote_pre, termp_quote_post }, /* Bq */
1.26 kristaps 186: { termp_xx_pre, NULL }, /* Bsx */
1.211 kristaps 187: { termp_bx_pre, NULL }, /* Bx */
1.294 schwarze 188: { termp_skip_pre, NULL }, /* Db */
1.1 kristaps 189: { NULL, NULL }, /* Dc */
1.188 kristaps 190: { termp_quote_pre, termp_quote_post }, /* Do */
191: { termp_quote_pre, termp_quote_post }, /* Dq */
1.112 kristaps 192: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 193: { NULL, NULL }, /* Ef */
1.264 schwarze 194: { termp_under_pre, NULL }, /* Em */
1.306 schwarze 195: { termp_eo_pre, termp_eo_post }, /* Eo */
1.26 kristaps 196: { termp_xx_pre, NULL }, /* Fx */
1.176 kristaps 197: { termp_bold_pre, NULL }, /* Ms */
1.290 schwarze 198: { termp_li_pre, NULL }, /* No */
1.1 kristaps 199: { termp_ns_pre, NULL }, /* Ns */
1.26 kristaps 200: { termp_xx_pre, NULL }, /* Nx */
201: { termp_xx_pre, NULL }, /* Ox */
1.1 kristaps 202: { NULL, NULL }, /* Pc */
1.254 schwarze 203: { NULL, termp_pf_post }, /* Pf */
1.188 kristaps 204: { termp_quote_pre, termp_quote_post }, /* Po */
205: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 206: { NULL, NULL }, /* Qc */
1.188 kristaps 207: { termp_quote_pre, termp_quote_post }, /* Ql */
208: { termp_quote_pre, termp_quote_post }, /* Qo */
209: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 210: { NULL, NULL }, /* Re */
211: { termp_rs_pre, NULL }, /* Rs */
212: { NULL, NULL }, /* Sc */
1.188 kristaps 213: { termp_quote_pre, termp_quote_post }, /* So */
214: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 215: { termp_sm_pre, NULL }, /* Sm */
1.69 kristaps 216: { termp_under_pre, NULL }, /* Sx */
217: { termp_bold_pre, NULL }, /* Sy */
1.1 kristaps 218: { NULL, NULL }, /* Tn */
1.26 kristaps 219: { termp_xx_pre, NULL }, /* Ux */
1.1 kristaps 220: { NULL, NULL }, /* Xc */
221: { NULL, NULL }, /* Xo */
1.264 schwarze 222: { termp_fo_pre, termp_fo_post }, /* Fo */
223: { NULL, NULL }, /* Fc */
1.188 kristaps 224: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 225: { NULL, NULL }, /* Oc */
1.159 schwarze 226: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 227: { NULL, NULL }, /* Ek */
228: { termp_bt_pre, NULL }, /* Bt */
229: { NULL, NULL }, /* Hf */
1.268 schwarze 230: { termp_under_pre, NULL }, /* Fr */
1.1 kristaps 231: { termp_ud_pre, NULL }, /* Ud */
1.37 kristaps 232: { NULL, termp_lb_post }, /* Lb */
1.264 schwarze 233: { termp_sp_pre, NULL }, /* Lp */
234: { termp_lk_pre, NULL }, /* Lk */
235: { termp_under_pre, NULL }, /* Mt */
236: { termp_quote_pre, termp_quote_post }, /* Brq */
237: { termp_quote_pre, termp_quote_post }, /* Bro */
238: { NULL, NULL }, /* Brc */
239: { NULL, termp____post }, /* %C */
1.294 schwarze 240: { termp_skip_pre, NULL }, /* Es */
1.268 schwarze 241: { termp_quote_pre, termp_quote_post }, /* En */
1.264 schwarze 242: { termp_xx_pre, NULL }, /* Dx */
243: { NULL, termp____post }, /* %Q */
1.76 kristaps 244: { termp_sp_pre, NULL }, /* br */
1.264 schwarze 245: { termp_sp_pre, NULL }, /* sp */
246: { NULL, termp____post }, /* %U */
247: { NULL, NULL }, /* Ta */
1.260 schwarze 248: { termp_ll_pre, NULL }, /* ll */
1.1 kristaps 249: };
250:
251:
1.70 kristaps 252: void
1.89 kristaps 253: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1 kristaps 254: {
1.245 schwarze 255: const struct mdoc_meta *meta;
1.281 schwarze 256: struct mdoc_node *n;
1.89 kristaps 257: struct termp *p;
258:
259: p = (struct termp *)arg;
1.111 kristaps 260:
261: p->overstep = 0;
1.281 schwarze 262: p->rmargin = p->maxrmargin = p->defrmargin;
1.157 kristaps 263: p->tabwidth = term_len(p, 5);
1.70 kristaps 264:
1.281 schwarze 265: n = mdoc_node(mdoc)->child;
1.245 schwarze 266: meta = mdoc_meta(mdoc);
1.146 schwarze 267:
1.281 schwarze 268: if (p->synopsisonly) {
269: while (n != NULL) {
270: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
271: if (n->child->next->child != NULL)
272: print_mdoc_nodelist(p, NULL,
273: meta, n->child->next->child);
274: term_newln(p);
275: break;
276: }
277: n = n->next;
278: }
279: } else {
280: if (p->defindent == 0)
281: p->defindent = 5;
282: term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
283: if (n != NULL) {
284: if (n->tok != MDOC_Sh)
285: term_vspace(p);
286: print_mdoc_nodelist(p, NULL, meta, n);
287: }
288: term_end(p);
1.271 schwarze 289: }
1.1 kristaps 290: }
291:
1.3 kristaps 292: static void
1.102 kristaps 293: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 294: {
295:
1.304 schwarze 296: while (n != NULL) {
297: print_mdoc_node(p, pair, meta, n);
298: n = n->next;
299: }
1.1 kristaps 300: }
301:
1.3 kristaps 302: static void
1.102 kristaps 303: print_mdoc_node(DECL_ARGS)
1.1 kristaps 304: {
1.102 kristaps 305: int chld;
1.1 kristaps 306: struct termpair npair;
1.30 kristaps 307: size_t offset, rmargin;
1.1 kristaps 308:
1.70 kristaps 309: chld = 1;
1.29 kristaps 310: offset = p->offset;
1.30 kristaps 311: rmargin = p->rmargin;
1.305 schwarze 312: n->prev_font = p->fonti;
1.29 kristaps 313:
1.97 kristaps 314: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 315: npair.ppair = pair;
1.172 kristaps 316:
317: /*
318: * Keeps only work until the end of a line. If a keep was
319: * invoked in a prior line, revert it to PREKEEP.
320: */
321:
1.307 schwarze 322: if (p->flags & TERMP_KEEP && n->flags & MDOC_LINE) {
323: p->flags &= ~TERMP_KEEP;
324: p->flags |= TERMP_PREKEEP;
1.172 kristaps 325: }
1.197 schwarze 326:
327: /*
1.217 schwarze 328: * After the keep flags have been set up, we may now
329: * produce output. Note that some pre-handlers do so.
330: */
331:
332: switch (n->type) {
1.264 schwarze 333: case MDOC_TEXT:
1.217 schwarze 334: if (' ' == *n->string && MDOC_LINE & n->flags)
335: term_newln(p);
1.222 kristaps 336: if (MDOC_DELIMC & n->flags)
337: p->flags |= TERMP_NOSPACE;
1.217 schwarze 338: term_word(p, n->string);
1.222 kristaps 339: if (MDOC_DELIMO & n->flags)
340: p->flags |= TERMP_NOSPACE;
1.217 schwarze 341: break;
1.264 schwarze 342: case MDOC_EQN:
1.284 schwarze 343: if ( ! (n->flags & MDOC_LINE))
344: p->flags |= TERMP_NOSPACE;
1.233 kristaps 345: term_eqn(p, n->eqn);
1.286 schwarze 346: if (n->next != NULL && ! (n->next->flags & MDOC_LINE))
1.285 schwarze 347: p->flags |= TERMP_NOSPACE;
1.217 schwarze 348: break;
1.264 schwarze 349: case MDOC_TBL:
1.217 schwarze 350: term_tbl(p, n->span);
351: break;
352: default:
1.295 schwarze 353: if (termacts[n->tok].pre &&
354: (n->end == ENDBODY_NOT || n->nchild))
1.217 schwarze 355: chld = (*termacts[n->tok].pre)
1.245 schwarze 356: (p, &npair, meta, n);
1.217 schwarze 357: break;
358: }
359:
1.86 kristaps 360: if (chld && n->child)
1.245 schwarze 361: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 362:
1.244 schwarze 363: term_fontpopq(p,
364: (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.46 kristaps 365:
1.206 kristaps 366: switch (n->type) {
1.264 schwarze 367: case MDOC_TEXT:
1.206 kristaps 368: break;
1.264 schwarze 369: case MDOC_TBL:
1.216 kristaps 370: break;
1.264 schwarze 371: case MDOC_EQN:
1.206 kristaps 372: break;
373: default:
374: if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
375: break;
1.245 schwarze 376: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162 schwarze 377:
378: /*
379: * Explicit end tokens not only call the post
380: * handler, but also tell the respective block
381: * that it must not call the post handler again.
382: */
1.165 kristaps 383: if (ENDBODY_NOT != n->end)
1.162 schwarze 384: n->pending->flags |= MDOC_ENDED;
385:
386: /*
387: * End of line terminating an implicit block
388: * while an explicit block is still open.
389: * Continue the explicit block without spacing.
390: */
391: if (ENDBODY_NOSPACE == n->end)
392: p->flags |= TERMP_NOSPACE;
1.206 kristaps 393: break;
1.162 schwarze 394: }
1.121 kristaps 395:
396: if (MDOC_EOS & n->flags)
397: p->flags |= TERMP_SENTENCE;
1.29 kristaps 398:
1.260 schwarze 399: if (MDOC_ll != n->tok) {
400: p->offset = offset;
401: p->rmargin = rmargin;
402: }
1.1 kristaps 403: }
404:
1.3 kristaps 405: static void
1.145 kristaps 406: print_mdoc_foot(struct termp *p, const void *arg)
1.1 kristaps 407: {
1.245 schwarze 408: const struct mdoc_meta *meta;
1.292 schwarze 409: size_t sz;
1.144 kristaps 410:
1.245 schwarze 411: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 412:
1.102 kristaps 413: term_fontrepl(p, TERMFONT_NONE);
1.101 kristaps 414:
1.264 schwarze 415: /*
1.9 kristaps 416: * Output the footer in new-groff style, that is, three columns
417: * with the middle being the manual date and flanking columns
418: * being the operating system:
419: *
420: * SYSTEM DATE SYSTEM
421: */
422:
1.1 kristaps 423: term_vspace(p);
424:
1.9 kristaps 425: p->offset = 0;
1.292 schwarze 426: sz = term_strlen(p, meta->date);
427: p->rmargin = p->maxrmargin > sz ?
428: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.250 schwarze 429: p->trailspace = 1;
1.1 kristaps 430: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
431:
1.245 schwarze 432: term_word(p, meta->os);
1.1 kristaps 433: term_flushln(p);
434:
1.9 kristaps 435: p->offset = p->rmargin;
1.292 schwarze 436: sz = term_strlen(p, meta->os);
437: p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.234 schwarze 438: p->flags |= TERMP_NOSPACE;
1.9 kristaps 439:
1.245 schwarze 440: term_word(p, meta->date);
1.9 kristaps 441: term_flushln(p);
442:
1.1 kristaps 443: p->offset = p->rmargin;
444: p->rmargin = p->maxrmargin;
1.250 schwarze 445: p->trailspace = 0;
1.1 kristaps 446: p->flags &= ~TERMP_NOBREAK;
1.234 schwarze 447: p->flags |= TERMP_NOSPACE;
1.1 kristaps 448:
1.245 schwarze 449: term_word(p, meta->os);
1.1 kristaps 450: term_flushln(p);
451:
1.9 kristaps 452: p->offset = 0;
453: p->rmargin = p->maxrmargin;
454: p->flags = 0;
1.1 kristaps 455: }
456:
1.3 kristaps 457: static void
1.144 kristaps 458: print_mdoc_head(struct termp *p, const void *arg)
1.1 kristaps 459: {
1.266 schwarze 460: const struct mdoc_meta *meta;
1.267 schwarze 461: char *volume, *title;
462: size_t vollen, titlen;
1.144 kristaps 463:
1.245 schwarze 464: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 465:
466: /*
467: * The header is strange. It has three components, which are
468: * really two with the first duplicated. It goes like this:
469: *
470: * IDENTIFIER TITLE IDENTIFIER
471: *
472: * The IDENTIFIER is NAME(SECTION), which is the command-name
473: * (if given, or "unknown" if not) followed by the manual page
474: * section. These are given in `Dt'. The TITLE is a free-form
475: * string depending on the manual volume. If not specified, it
476: * switches on the manual section.
477: */
1.235 schwarze 478:
1.245 schwarze 479: assert(meta->vol);
1.267 schwarze 480: if (NULL == meta->arch)
481: volume = mandoc_strdup(meta->vol);
482: else
483: mandoc_asprintf(&volume, "%s (%s)",
484: meta->vol, meta->arch);
485: vollen = term_strlen(p, volume);
1.1 kristaps 486:
1.275 schwarze 487: if (NULL == meta->msec)
488: title = mandoc_strdup(meta->title);
489: else
490: mandoc_asprintf(&title, "%s(%s)",
491: meta->title, meta->msec);
1.235 schwarze 492: titlen = term_strlen(p, title);
1.1 kristaps 493:
1.235 schwarze 494: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250 schwarze 495: p->trailspace = 1;
1.1 kristaps 496: p->offset = 0;
1.267 schwarze 497: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
498: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.292 schwarze 499: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 500:
501: term_word(p, title);
502: term_flushln(p);
503:
1.235 schwarze 504: p->flags |= TERMP_NOSPACE;
1.1 kristaps 505: p->offset = p->rmargin;
1.267 schwarze 506: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235 schwarze 507: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 508:
1.267 schwarze 509: term_word(p, volume);
1.1 kristaps 510: term_flushln(p);
511:
512: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 513: p->trailspace = 0;
1.235 schwarze 514: if (p->rmargin + titlen <= p->maxrmargin) {
515: p->flags |= TERMP_NOSPACE;
516: p->offset = p->rmargin;
517: p->rmargin = p->maxrmargin;
518: term_word(p, title);
519: term_flushln(p);
520: }
1.1 kristaps 521:
1.235 schwarze 522: p->flags &= ~TERMP_NOSPACE;
1.9 kristaps 523: p->offset = 0;
1.1 kristaps 524: p->rmargin = p->maxrmargin;
1.266 schwarze 525: free(title);
1.267 schwarze 526: free(volume);
1.1 kristaps 527: }
528:
1.302 schwarze 529: static int
1.157 kristaps 530: a2width(const struct termp *p, const char *v)
1.91 kristaps 531: {
1.92 kristaps 532: struct roffsu su;
1.1 kristaps 533:
1.300 schwarze 534: if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.157 kristaps 535: SCALE_HS_INIT(&su, term_strlen(p, v));
1.283 schwarze 536: su.scale /= term_strlen(p, "0");
1.302 schwarze 537: }
1.157 kristaps 538: return(term_hspan(p, &su));
1.1 kristaps 539: }
540:
1.108 kristaps 541: /*
542: * Determine how much space to print out before block elements of `It'
543: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
544: * too.
545: */
1.54 kristaps 546: static void
1.264 schwarze 547: print_bvspace(struct termp *p,
548: const struct mdoc_node *bl,
549: const struct mdoc_node *n)
1.1 kristaps 550: {
1.86 kristaps 551: const struct mdoc_node *nn;
1.236 schwarze 552:
553: assert(n);
1.1 kristaps 554:
555: term_newln(p);
1.150 kristaps 556:
1.202 kristaps 557: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150 kristaps 558: return;
1.202 kristaps 559: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54 kristaps 560: return;
561:
1.85 kristaps 562: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 563:
1.289 schwarze 564: nn = n;
565: while (nn->prev == NULL) {
566: do {
567: nn = nn->parent;
568: if (nn->type == MDOC_ROOT)
569: return;
570: } while (nn->type != MDOC_BLOCK);
571: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.54 kristaps 572: return;
1.289 schwarze 573: if (nn->tok == MDOC_It &&
574: nn->parent->parent->norm->Bl.type != LIST_item)
575: break;
1.1 kristaps 576: }
577:
1.85 kristaps 578: /* A `-column' does not assert vspace within the list. */
1.54 kristaps 579:
1.202 kristaps 580: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86 kristaps 581: if (n->prev && MDOC_It == n->prev->tok)
1.54 kristaps 582: return;
583:
1.85 kristaps 584: /* A `-diag' without body does not vspace. */
585:
1.202 kristaps 586: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86 kristaps 587: if (n->prev && MDOC_It == n->prev->tok) {
588: assert(n->prev->body);
589: if (NULL == n->prev->body->child)
1.55 kristaps 590: return;
591: }
592:
1.54 kristaps 593: term_vspace(p);
1.260 schwarze 594: }
595:
596:
597: static int
598: termp_ll_pre(DECL_ARGS)
599: {
600:
1.261 schwarze 601: term_setwidth(p, n->nchild ? n->child->string : NULL);
1.260 schwarze 602: return(0);
1.1 kristaps 603: }
604:
605: static int
606: termp_it_pre(DECL_ARGS)
607: {
1.302 schwarze 608: char buf[24];
1.86 kristaps 609: const struct mdoc_node *bl, *nn;
1.302 schwarze 610: size_t ncols, dcol;
611: int i, offset, width;
1.126 kristaps 612: enum mdoc_list type;
1.1 kristaps 613:
1.86 kristaps 614: if (MDOC_BLOCK == n->type) {
1.151 kristaps 615: print_bvspace(p, n->parent->parent, n);
1.54 kristaps 616: return(1);
617: }
1.1 kristaps 618:
1.86 kristaps 619: bl = n->parent->parent->parent;
1.202 kristaps 620: type = bl->norm->Bl.type;
1.1 kristaps 621:
1.264 schwarze 622: /*
1.302 schwarze 623: * Defaults for specific list types.
624: */
625:
626: switch (type) {
627: case LIST_bullet:
628: /* FALLTHROUGH */
629: case LIST_dash:
630: /* FALLTHROUGH */
631: case LIST_hyphen:
632: /* FALLTHROUGH */
633: case LIST_enum:
634: width = term_len(p, 2);
635: break;
636: case LIST_hang:
637: width = term_len(p, 8);
638: break;
639: case LIST_column:
640: /* FALLTHROUGH */
641: case LIST_tag:
642: width = term_len(p, 10);
643: break;
644: default:
645: width = 0;
646: break;
647: }
648: offset = 0;
649:
650: /*
1.108 kristaps 651: * First calculate width and offset. This is pretty easy unless
652: * we're a -column list, in which case all prior columns must
653: * be accounted for.
654: */
655:
1.302 schwarze 656: if (bl->norm->Bl.offs != NULL) {
1.288 schwarze 657: offset = a2width(p, bl->norm->Bl.offs);
1.302 schwarze 658: if (offset < 0 && (size_t)(-offset) > p->offset)
659: offset = -p->offset;
660: else if (offset > SHRT_MAX)
661: offset = 0;
662: }
1.152 kristaps 663:
1.1 kristaps 664: switch (type) {
1.264 schwarze 665: case LIST_column:
1.134 kristaps 666: if (MDOC_HEAD == n->type)
1.1 kristaps 667: break;
1.155 kristaps 668:
1.105 kristaps 669: /*
1.108 kristaps 670: * Imitate groff's column handling:
671: * - For each earlier column, add its width.
672: * - For less than 5 columns, add four more blanks per
673: * column.
674: * - For exactly 5 columns, add three more blank per
675: * column.
676: * - For more than 5 columns, add only one column.
1.105 kristaps 677: */
1.202 kristaps 678: ncols = bl->norm->Bl.ncols;
1.264 schwarze 679: dcol = ncols < 5 ? term_len(p, 4) :
680: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108 kristaps 681:
1.134 kristaps 682: /*
683: * Calculate the offset by applying all prior MDOC_BODY,
684: * so we stop at the MDOC_HEAD (NULL == nn->prev).
685: */
686:
1.264 schwarze 687: for (i = 0, nn = n->prev;
688: nn->prev && i < (int)ncols;
689: nn = nn->prev, i++)
690: offset += dcol + a2width(p,
691: bl->norm->Bl.cols[i]);
1.105 kristaps 692:
693: /*
1.108 kristaps 694: * When exceeding the declared number of columns, leave
695: * the remaining widths at 0. This will later be
696: * adjusted to the default width of 10, or, for the last
697: * column, stretched to the right margin.
1.58 kristaps 698: */
1.108 kristaps 699: if (i >= (int)ncols)
700: break;
1.58 kristaps 701:
1.105 kristaps 702: /*
1.108 kristaps 703: * Use the declared column widths, extended as explained
704: * in the preceding paragraph.
1.105 kristaps 705: */
1.202 kristaps 706: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 707: break;
708: default:
1.202 kristaps 709: if (NULL == bl->norm->Bl.width)
1.108 kristaps 710: break;
711:
1.264 schwarze 712: /*
1.108 kristaps 713: * Note: buffer the width by 2, which is groff's magic
714: * number for buffering single arguments. See the above
715: * handling for column for how this changes.
716: */
1.202 kristaps 717: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.302 schwarze 718: if (width < 0 && (size_t)(-width) > p->offset)
719: width = -p->offset;
720: else if (width > SHRT_MAX)
721: width = 0;
1.1 kristaps 722: break;
723: }
724:
1.264 schwarze 725: /*
1.17 kristaps 726: * Whitespace control. Inset bodies need an initial space,
727: * while diagonal bodies need two.
1.1 kristaps 728: */
729:
1.51 kristaps 730: p->flags |= TERMP_NOSPACE;
731:
1.1 kristaps 732: switch (type) {
1.264 schwarze 733: case LIST_diag:
1.86 kristaps 734: if (MDOC_BODY == n->type)
1.62 kristaps 735: term_word(p, "\\ \\ ");
1.51 kristaps 736: break;
1.264 schwarze 737: case LIST_inset:
1.270 schwarze 738: if (MDOC_BODY == n->type && n->parent->head->nchild)
1.51 kristaps 739: term_word(p, "\\ ");
1.1 kristaps 740: break;
741: default:
742: break;
743: }
744:
1.51 kristaps 745: p->flags |= TERMP_NOSPACE;
746:
1.1 kristaps 747: switch (type) {
1.264 schwarze 748: case LIST_diag:
1.86 kristaps 749: if (MDOC_HEAD == n->type)
1.102 kristaps 750: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 751: break;
752: default:
753: break;
754: }
755:
756: /*
1.109 kristaps 757: * Pad and break control. This is the tricky part. These flags
758: * are documented in term_flushln() in term.c. Note that we're
759: * going to unset all of these flags in termp_it_post() when we
760: * exit.
1.1 kristaps 761: */
762:
763: switch (type) {
1.264 schwarze 764: case LIST_enum:
1.242 schwarze 765: /*
766: * Weird special case.
1.302 schwarze 767: * Some very narrow lists actually hang.
1.242 schwarze 768: */
769: /* FALLTHROUGH */
1.264 schwarze 770: case LIST_bullet:
1.1 kristaps 771: /* FALLTHROUGH */
1.264 schwarze 772: case LIST_dash:
1.1 kristaps 773: /* FALLTHROUGH */
1.264 schwarze 774: case LIST_hyphen:
1.302 schwarze 775: if (width <= (int)term_len(p, 2))
776: p->flags |= TERMP_HANG;
1.250 schwarze 777: if (MDOC_HEAD != n->type)
778: break;
779: p->flags |= TERMP_NOBREAK;
780: p->trailspace = 1;
1.39 kristaps 781: break;
1.264 schwarze 782: case LIST_hang:
1.250 schwarze 783: if (MDOC_HEAD != n->type)
1.59 kristaps 784: break;
785:
786: /*
787: * This is ugly. If `-hang' is specified and the body
788: * is a `Bl' or `Bd', then we want basically to nullify
789: * the "overstep" effect in term_flushln() and treat
790: * this as a `-ohang' list instead.
791: */
1.279 schwarze 792: if (NULL != n->next &&
1.278 schwarze 793: NULL != n->next->child &&
794: (MDOC_Bl == n->next->child->tok ||
795: MDOC_Bd == n->next->child->tok))
1.250 schwarze 796: break;
797:
1.263 schwarze 798: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250 schwarze 799: p->trailspace = 1;
1.39 kristaps 800: break;
1.264 schwarze 801: case LIST_tag:
1.86 kristaps 802: if (MDOC_HEAD != n->type)
1.39 kristaps 803: break;
1.250 schwarze 804:
1.263 schwarze 805: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 806: p->trailspace = 2;
807:
1.86 kristaps 808: if (NULL == n->next || NULL == n->next->child)
1.39 kristaps 809: p->flags |= TERMP_DANGLE;
1.1 kristaps 810: break;
1.264 schwarze 811: case LIST_column:
1.134 kristaps 812: if (MDOC_HEAD == n->type)
813: break;
814:
1.250 schwarze 815: if (NULL == n->next) {
1.134 kristaps 816: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 817: p->trailspace = 0;
818: } else {
1.134 kristaps 819: p->flags |= TERMP_NOBREAK;
1.250 schwarze 820: p->trailspace = 1;
821: }
1.134 kristaps 822:
1.1 kristaps 823: break;
1.264 schwarze 824: case LIST_diag:
1.250 schwarze 825: if (MDOC_HEAD != n->type)
826: break;
1.263 schwarze 827: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 828: p->trailspace = 1;
1.1 kristaps 829: break;
830: default:
831: break;
832: }
833:
1.264 schwarze 834: /*
1.1 kristaps 835: * Margin control. Set-head-width lists have their right
836: * margins shortened. The body for these lists has the offset
837: * necessarily lengthened. Everybody gets the offset.
838: */
839:
840: p->offset += offset;
841:
842: switch (type) {
1.264 schwarze 843: case LIST_hang:
1.59 kristaps 844: /*
845: * Same stipulation as above, regarding `-hang'. We
846: * don't want to recalculate rmargin and offsets when
847: * using `Bd' or `Bl' within `-hang' overstep lists.
848: */
1.279 schwarze 849: if (MDOC_HEAD == n->type &&
850: NULL != n->next &&
1.278 schwarze 851: NULL != n->next->child &&
852: (MDOC_Bl == n->next->child->tok ||
853: MDOC_Bd == n->next->child->tok))
1.59 kristaps 854: break;
855: /* FALLTHROUGH */
1.264 schwarze 856: case LIST_bullet:
1.1 kristaps 857: /* FALLTHROUGH */
1.264 schwarze 858: case LIST_dash:
1.1 kristaps 859: /* FALLTHROUGH */
1.264 schwarze 860: case LIST_enum:
1.1 kristaps 861: /* FALLTHROUGH */
1.264 schwarze 862: case LIST_hyphen:
1.1 kristaps 863: /* FALLTHROUGH */
1.264 schwarze 864: case LIST_tag:
1.86 kristaps 865: if (MDOC_HEAD == n->type)
1.1 kristaps 866: p->rmargin = p->offset + width;
1.292 schwarze 867: else
1.1 kristaps 868: p->offset += width;
869: break;
1.264 schwarze 870: case LIST_column:
1.49 kristaps 871: assert(width);
1.1 kristaps 872: p->rmargin = p->offset + width;
1.264 schwarze 873: /*
1.50 kristaps 874: * XXX - this behaviour is not documented: the
875: * right-most column is filled to the right margin.
876: */
1.134 kristaps 877: if (MDOC_HEAD == n->type)
878: break;
879: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50 kristaps 880: p->rmargin = p->maxrmargin;
1.1 kristaps 881: break;
882: default:
883: break;
884: }
885:
1.264 schwarze 886: /*
1.1 kristaps 887: * The dash, hyphen, bullet and enum lists all have a special
1.264 schwarze 888: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 889: */
890:
1.86 kristaps 891: if (MDOC_HEAD == n->type)
1.1 kristaps 892: switch (type) {
1.264 schwarze 893: case LIST_bullet:
1.102 kristaps 894: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 895: term_word(p, "\\[bu]");
1.102 kristaps 896: term_fontpop(p);
1.1 kristaps 897: break;
1.264 schwarze 898: case LIST_dash:
1.1 kristaps 899: /* FALLTHROUGH */
1.264 schwarze 900: case LIST_hyphen:
1.102 kristaps 901: term_fontpush(p, TERMFONT_BOLD);
1.27 kristaps 902: term_word(p, "\\(hy");
1.102 kristaps 903: term_fontpop(p);
1.1 kristaps 904: break;
1.264 schwarze 905: case LIST_enum:
1.1 kristaps 906: (pair->ppair->ppair->count)++;
1.265 schwarze 907: (void)snprintf(buf, sizeof(buf), "%d.",
1.264 schwarze 908: pair->ppair->ppair->count);
1.1 kristaps 909: term_word(p, buf);
910: break;
911: default:
912: break;
913: }
914:
1.264 schwarze 915: /*
1.1 kristaps 916: * If we're not going to process our children, indicate so here.
917: */
918:
919: switch (type) {
1.264 schwarze 920: case LIST_bullet:
1.1 kristaps 921: /* FALLTHROUGH */
1.264 schwarze 922: case LIST_item:
1.1 kristaps 923: /* FALLTHROUGH */
1.264 schwarze 924: case LIST_dash:
1.1 kristaps 925: /* FALLTHROUGH */
1.264 schwarze 926: case LIST_hyphen:
1.1 kristaps 927: /* FALLTHROUGH */
1.264 schwarze 928: case LIST_enum:
1.86 kristaps 929: if (MDOC_HEAD == n->type)
1.1 kristaps 930: return(0);
931: break;
1.264 schwarze 932: case LIST_column:
1.134 kristaps 933: if (MDOC_HEAD == n->type)
1.1 kristaps 934: return(0);
935: break;
936: default:
937: break;
938: }
939:
940: return(1);
941: }
942:
943: static void
944: termp_it_post(DECL_ARGS)
945: {
1.126 kristaps 946: enum mdoc_list type;
1.1 kristaps 947:
1.109 kristaps 948: if (MDOC_BLOCK == n->type)
1.1 kristaps 949: return;
950:
1.202 kristaps 951: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 952:
953: switch (type) {
1.264 schwarze 954: case LIST_item:
1.1 kristaps 955: /* FALLTHROUGH */
1.264 schwarze 956: case LIST_diag:
1.53 kristaps 957: /* FALLTHROUGH */
1.264 schwarze 958: case LIST_inset:
1.86 kristaps 959: if (MDOC_BODY == n->type)
1.130 schwarze 960: term_newln(p);
1.1 kristaps 961: break;
1.264 schwarze 962: case LIST_column:
1.134 kristaps 963: if (MDOC_BODY == n->type)
1.1 kristaps 964: term_flushln(p);
965: break;
966: default:
1.130 schwarze 967: term_newln(p);
1.1 kristaps 968: break;
969: }
970:
1.264 schwarze 971: /*
1.109 kristaps 972: * Now that our output is flushed, we can reset our tags. Since
973: * only `It' sets these flags, we're free to assume that nobody
974: * has munged them in the meanwhile.
975: */
976:
1.263 schwarze 977: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
978: TERMP_DANGLE | TERMP_HANG);
1.250 schwarze 979: p->trailspace = 0;
1.1 kristaps 980: }
981:
982: static int
983: termp_nm_pre(DECL_ARGS)
984: {
1.296 schwarze 985: const char *cp;
1.1 kristaps 986:
1.253 schwarze 987: if (MDOC_BLOCK == n->type) {
988: p->flags |= TERMP_PREKEEP;
1.164 schwarze 989: return(1);
1.253 schwarze 990: }
1.164 schwarze 991:
992: if (MDOC_BODY == n->type) {
993: if (NULL == n->child)
994: return(0);
1.234 schwarze 995: p->flags |= TERMP_NOSPACE;
1.296 schwarze 996: cp = NULL;
997: if (n->prev->child != NULL)
998: cp = n->prev->child->string;
999: if (cp == NULL)
1000: cp = meta->name;
1001: if (cp == NULL)
1002: p->offset += term_len(p, 6);
1003: else
1004: p->offset += term_len(p, 1) + term_strlen(p, cp);
1.164 schwarze 1005: return(1);
1006: }
1007:
1.245 schwarze 1008: if (NULL == n->child && NULL == meta->name)
1.164 schwarze 1009: return(0);
1.125 kristaps 1010:
1.177 schwarze 1011: if (MDOC_HEAD == n->type)
1012: synopsis_pre(p, n->parent);
1.102 kristaps 1013:
1.279 schwarze 1014: if (MDOC_HEAD == n->type &&
1.278 schwarze 1015: NULL != n->next && NULL != n->next->child) {
1.263 schwarze 1016: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 1017: p->trailspace = 1;
1.185 schwarze 1018: p->rmargin = p->offset + term_len(p, 1);
1019: if (NULL == n->child) {
1.245 schwarze 1020: p->rmargin += term_strlen(p, meta->name);
1.185 schwarze 1021: } else if (MDOC_TEXT == n->child->type) {
1022: p->rmargin += term_strlen(p, n->child->string);
1023: if (n->child->next)
1024: p->flags |= TERMP_HANG;
1025: } else {
1026: p->rmargin += term_len(p, 5);
1027: p->flags |= TERMP_HANG;
1028: }
1.164 schwarze 1029: }
1030:
1.102 kristaps 1031: term_fontpush(p, TERMFONT_BOLD);
1.86 kristaps 1032: if (NULL == n->child)
1.245 schwarze 1033: term_word(p, meta->name);
1.1 kristaps 1034: return(1);
1035: }
1036:
1.164 schwarze 1037: static void
1038: termp_nm_post(DECL_ARGS)
1039: {
1040:
1.253 schwarze 1041: if (MDOC_BLOCK == n->type) {
1042: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.279 schwarze 1043: } else if (MDOC_HEAD == n->type &&
1.278 schwarze 1044: NULL != n->next && NULL != n->next->child) {
1.164 schwarze 1045: term_flushln(p);
1.263 schwarze 1046: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 1047: p->trailspace = 0;
1.234 schwarze 1048: } else if (MDOC_BODY == n->type && n->child)
1.164 schwarze 1049: term_flushln(p);
1050: }
1051:
1.1 kristaps 1052: static int
1053: termp_fl_pre(DECL_ARGS)
1054: {
1055:
1.102 kristaps 1056: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1057: term_word(p, "\\-");
1.103 kristaps 1058:
1.280 schwarze 1059: if ( ! (n->nchild == 0 &&
1060: (n->next == NULL ||
1061: n->next->type == MDOC_TEXT ||
1062: n->next->flags & MDOC_LINE)))
1.103 kristaps 1063: p->flags |= TERMP_NOSPACE;
1064:
1.1 kristaps 1065: return(1);
1066: }
1067:
1068: static int
1.184 kristaps 1069: termp__a_pre(DECL_ARGS)
1070: {
1071:
1072: if (n->prev && MDOC__A == n->prev->tok)
1073: if (NULL == n->next || MDOC__A != n->next->tok)
1074: term_word(p, "and");
1075:
1076: return(1);
1077: }
1078:
1079: static int
1.61 kristaps 1080: termp_an_pre(DECL_ARGS)
1081: {
1082:
1.282 schwarze 1083: if (n->norm->An.auth == AUTH_split) {
1084: p->flags &= ~TERMP_NOSPLIT;
1085: p->flags |= TERMP_SPLIT;
1086: return(0);
1087: }
1088: if (n->norm->An.auth == AUTH_nosplit) {
1089: p->flags &= ~TERMP_SPLIT;
1090: p->flags |= TERMP_NOSPLIT;
1091: return(0);
1092: }
1.264 schwarze 1093:
1.282 schwarze 1094: if (p->flags & TERMP_SPLIT)
1.61 kristaps 1095: term_newln(p);
1096:
1.282 schwarze 1097: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1098: p->flags |= TERMP_SPLIT;
1.61 kristaps 1099:
1100: return(1);
1101: }
1102:
1103: static int
1.1 kristaps 1104: termp_ns_pre(DECL_ARGS)
1105: {
1106:
1.215 kristaps 1107: if ( ! (MDOC_LINE & n->flags))
1108: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1109: return(1);
1110: }
1111:
1112: static int
1113: termp_rs_pre(DECL_ARGS)
1114: {
1115:
1.86 kristaps 1116: if (SEC_SEE_ALSO != n->sec)
1.80 kristaps 1117: return(1);
1.86 kristaps 1118: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1119: term_vspace(p);
1120: return(1);
1121: }
1122:
1123: static int
1124: termp_rv_pre(DECL_ARGS)
1125: {
1.223 kristaps 1126: int nchild;
1.1 kristaps 1127:
1128: term_newln(p);
1129:
1.223 kristaps 1130: nchild = n->nchild;
1.273 schwarze 1131: if (nchild > 0) {
1132: term_word(p, "The");
1.224 kristaps 1133:
1.273 schwarze 1134: for (n = n->child; n; n = n->next) {
1135: term_fontpush(p, TERMFONT_BOLD);
1136: term_word(p, n->string);
1137: term_fontpop(p);
1.223 kristaps 1138:
1139: p->flags |= TERMP_NOSPACE;
1.273 schwarze 1140: term_word(p, "()");
1141:
1142: if (n->next == NULL)
1143: continue;
1144:
1145: if (nchild > 2) {
1146: p->flags |= TERMP_NOSPACE;
1147: term_word(p, ",");
1148: }
1149: if (n->next->next == NULL)
1150: term_word(p, "and");
1.223 kristaps 1151: }
1152:
1.273 schwarze 1153: if (nchild > 1)
1154: term_word(p, "functions return");
1155: else
1156: term_word(p, "function returns");
1157:
1158: term_word(p, "the value\\~0 if successful;");
1159: } else
1160: term_word(p, "Upon successful completion,"
1161: " the value\\~0 is returned;");
1.1 kristaps 1162:
1.273 schwarze 1163: term_word(p, "otherwise the value\\~\\-1 is returned"
1164: " and the global variable");
1.1 kristaps 1165:
1.102 kristaps 1166: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1167: term_word(p, "errno");
1.102 kristaps 1168: term_fontpop(p);
1.1 kristaps 1169:
1.264 schwarze 1170: term_word(p, "is set to indicate the error.");
1.131 kristaps 1171: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1172:
1.68 kristaps 1173: return(0);
1.1 kristaps 1174: }
1175:
1176: static int
1177: termp_ex_pre(DECL_ARGS)
1178: {
1.224 kristaps 1179: int nchild;
1.1 kristaps 1180:
1.224 kristaps 1181: term_newln(p);
1.68 kristaps 1182: term_word(p, "The");
1.1 kristaps 1183:
1.224 kristaps 1184: nchild = n->nchild;
1185: for (n = n->child; n; n = n->next) {
1.102 kristaps 1186: term_fontpush(p, TERMFONT_BOLD);
1.224 kristaps 1187: term_word(p, n->string);
1.102 kristaps 1188: term_fontpop(p);
1.224 kristaps 1189:
1190: if (nchild > 2 && n->next) {
1191: p->flags |= TERMP_NOSPACE;
1.68 kristaps 1192: term_word(p, ",");
1.224 kristaps 1193: }
1194:
1195: if (n->next && NULL == n->next->next)
1196: term_word(p, "and");
1.68 kristaps 1197: }
1198:
1.224 kristaps 1199: if (nchild > 1)
1.273 schwarze 1200: term_word(p, "utilities exit\\~0");
1.68 kristaps 1201: else
1.273 schwarze 1202: term_word(p, "utility exits\\~0");
1.68 kristaps 1203:
1.273 schwarze 1204: term_word(p, "on success, and\\~>0 if an error occurs.");
1.224 kristaps 1205:
1.131 kristaps 1206: p->flags |= TERMP_SENTENCE;
1.68 kristaps 1207: return(0);
1.1 kristaps 1208: }
1209:
1210: static int
1211: termp_nd_pre(DECL_ARGS)
1212: {
1.25 kristaps 1213:
1.297 schwarze 1214: if (n->type == MDOC_BODY)
1215: term_word(p, "\\(en");
1.1 kristaps 1216: return(1);
1.115 kristaps 1217: }
1218:
1219: static int
1220: termp_bl_pre(DECL_ARGS)
1221: {
1222:
1223: return(MDOC_HEAD != n->type);
1.1 kristaps 1224: }
1225:
1226: static void
1227: termp_bl_post(DECL_ARGS)
1228: {
1229:
1.86 kristaps 1230: if (MDOC_BLOCK == n->type)
1.1 kristaps 1231: term_newln(p);
1232: }
1233:
1234: static int
1235: termp_xr_pre(DECL_ARGS)
1236: {
1237:
1.225 kristaps 1238: if (NULL == (n = n->child))
1.113 kristaps 1239: return(0);
1240:
1.225 kristaps 1241: assert(MDOC_TEXT == n->type);
1242: term_word(p, n->string);
1.11 kristaps 1243:
1.264 schwarze 1244: if (NULL == (n = n->next))
1.1 kristaps 1245: return(0);
1.225 kristaps 1246:
1.1 kristaps 1247: p->flags |= TERMP_NOSPACE;
1248: term_word(p, "(");
1.222 kristaps 1249: p->flags |= TERMP_NOSPACE;
1.225 kristaps 1250:
1251: assert(MDOC_TEXT == n->type);
1252: term_word(p, n->string);
1253:
1.222 kristaps 1254: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1255: term_word(p, ")");
1.86 kristaps 1256:
1.1 kristaps 1257: return(0);
1258: }
1259:
1.143 kristaps 1260: /*
1261: * This decides how to assert whitespace before any of the SYNOPSIS set
1262: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1263: * macro combos).
1264: */
1265: static void
1266: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1267: {
1.264 schwarze 1268: /*
1.143 kristaps 1269: * Obviously, if we're not in a SYNOPSIS or no prior macros
1270: * exist, do nothing.
1271: */
1.160 kristaps 1272: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143 kristaps 1273: return;
1274:
1275: /*
1276: * If we're the second in a pair of like elements, emit our
1277: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1278: * case we soldier on.
1279: */
1.264 schwarze 1280: if (n->prev->tok == n->tok &&
1281: MDOC_Ft != n->tok &&
1282: MDOC_Fo != n->tok &&
1283: MDOC_Fn != n->tok) {
1.143 kristaps 1284: term_newln(p);
1285: return;
1286: }
1287:
1288: /*
1289: * If we're one of the SYNOPSIS set and non-like pair-wise after
1290: * another (or Fn/Fo, which we've let slip through) then assert
1291: * vertical space, else only newline and move on.
1292: */
1293: switch (n->prev->tok) {
1.264 schwarze 1294: case MDOC_Fd:
1.143 kristaps 1295: /* FALLTHROUGH */
1.264 schwarze 1296: case MDOC_Fn:
1.143 kristaps 1297: /* FALLTHROUGH */
1.264 schwarze 1298: case MDOC_Fo:
1.143 kristaps 1299: /* FALLTHROUGH */
1.264 schwarze 1300: case MDOC_In:
1.143 kristaps 1301: /* FALLTHROUGH */
1.264 schwarze 1302: case MDOC_Vt:
1.143 kristaps 1303: term_vspace(p);
1304: break;
1.264 schwarze 1305: case MDOC_Ft:
1.143 kristaps 1306: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1307: term_vspace(p);
1308: break;
1309: }
1310: /* FALLTHROUGH */
1311: default:
1312: term_newln(p);
1313: break;
1314: }
1315: }
1316:
1.110 kristaps 1317: static int
1318: termp_vt_pre(DECL_ARGS)
1319: {
1320:
1.143 kristaps 1321: if (MDOC_ELEM == n->type) {
1322: synopsis_pre(p, n);
1.245 schwarze 1323: return(termp_under_pre(p, pair, meta, n));
1.143 kristaps 1324: } else if (MDOC_BLOCK == n->type) {
1325: synopsis_pre(p, n);
1326: return(1);
1327: } else if (MDOC_HEAD == n->type)
1.110 kristaps 1328: return(0);
1329:
1.245 schwarze 1330: return(termp_under_pre(p, pair, meta, n));
1.110 kristaps 1331: }
1332:
1.1 kristaps 1333: static int
1.69 kristaps 1334: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1335: {
1336:
1.102 kristaps 1337: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1338: return(1);
1339: }
1340:
1.143 kristaps 1341: static int
1342: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1343: {
1344:
1.143 kristaps 1345: synopsis_pre(p, n);
1.245 schwarze 1346: return(termp_bold_pre(p, pair, meta, n));
1.1 kristaps 1347: }
1348:
1.241 schwarze 1349: static void
1350: termp_fd_post(DECL_ARGS)
1351: {
1352:
1353: term_newln(p);
1354: }
1355:
1.1 kristaps 1356: static int
1357: termp_sh_pre(DECL_ARGS)
1358: {
1.85 kristaps 1359:
1.86 kristaps 1360: switch (n->type) {
1.264 schwarze 1361: case MDOC_BLOCK:
1.293 schwarze 1362: /*
1363: * Vertical space before sections, except
1364: * when the previous section was empty.
1365: */
1366: if (n->prev == NULL ||
1367: MDOC_Sh != n->prev->tok ||
1368: (n->prev->body != NULL &&
1369: n->prev->body->child != NULL))
1370: term_vspace(p);
1.65 kristaps 1371: break;
1.264 schwarze 1372: case MDOC_HEAD:
1.102 kristaps 1373: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1374: break;
1.264 schwarze 1375: case MDOC_BODY:
1.238 schwarze 1376: p->offset = term_len(p, p->defindent);
1.239 schwarze 1377: if (SEC_AUTHORS == n->sec)
1378: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1379: break;
1380: default:
1381: break;
1382: }
1383: return(1);
1384: }
1385:
1386: static void
1387: termp_sh_post(DECL_ARGS)
1388: {
1389:
1.86 kristaps 1390: switch (n->type) {
1.264 schwarze 1391: case MDOC_HEAD:
1.1 kristaps 1392: term_newln(p);
1393: break;
1.264 schwarze 1394: case MDOC_BODY:
1.1 kristaps 1395: term_newln(p);
1396: p->offset = 0;
1397: break;
1398: default:
1399: break;
1400: }
1401: }
1402:
1403: static int
1404: termp_bt_pre(DECL_ARGS)
1405: {
1406:
1407: term_word(p, "is currently in beta test.");
1.131 kristaps 1408: p->flags |= TERMP_SENTENCE;
1.81 kristaps 1409: return(0);
1.1 kristaps 1410: }
1411:
1412: static void
1413: termp_lb_post(DECL_ARGS)
1414: {
1415:
1.122 kristaps 1416: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81 kristaps 1417: term_newln(p);
1.1 kristaps 1418: }
1419:
1420: static int
1421: termp_ud_pre(DECL_ARGS)
1422: {
1423:
1424: term_word(p, "currently under development.");
1.131 kristaps 1425: p->flags |= TERMP_SENTENCE;
1.86 kristaps 1426: return(0);
1.1 kristaps 1427: }
1428:
1429: static int
1430: termp_d1_pre(DECL_ARGS)
1431: {
1432:
1.86 kristaps 1433: if (MDOC_BLOCK != n->type)
1.1 kristaps 1434: return(1);
1435: term_newln(p);
1.238 schwarze 1436: p->offset += term_len(p, p->defindent + 1);
1.1 kristaps 1437: return(1);
1438: }
1439:
1440: static int
1441: termp_ft_pre(DECL_ARGS)
1442: {
1443:
1.141 kristaps 1444: /* NB: MDOC_LINE does not effect this! */
1.143 kristaps 1445: synopsis_pre(p, n);
1.102 kristaps 1446: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1447: return(1);
1448: }
1449:
1450: static int
1451: termp_fn_pre(DECL_ARGS)
1452: {
1.257 schwarze 1453: size_t rmargin = 0;
1.226 kristaps 1454: int pretty;
1455:
1456: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1457:
1.143 kristaps 1458: synopsis_pre(p, n);
1.139 kristaps 1459:
1.226 kristaps 1460: if (NULL == (n = n->child))
1461: return(0);
1462:
1.251 schwarze 1463: if (pretty) {
1464: rmargin = p->rmargin;
1.257 schwarze 1465: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 1466: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251 schwarze 1467: }
1468:
1.226 kristaps 1469: assert(MDOC_TEXT == n->type);
1.102 kristaps 1470: term_fontpush(p, TERMFONT_BOLD);
1.226 kristaps 1471: term_word(p, n->string);
1.102 kristaps 1472: term_fontpop(p);
1.1 kristaps 1473:
1.251 schwarze 1474: if (pretty) {
1475: term_flushln(p);
1.263 schwarze 1476: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251 schwarze 1477: p->offset = p->rmargin;
1478: p->rmargin = rmargin;
1479: }
1480:
1.1 kristaps 1481: p->flags |= TERMP_NOSPACE;
1482: term_word(p, "(");
1.222 kristaps 1483: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1484:
1.226 kristaps 1485: for (n = n->next; n; n = n->next) {
1486: assert(MDOC_TEXT == n->type);
1.102 kristaps 1487: term_fontpush(p, TERMFONT_UNDER);
1.255 schwarze 1488: if (pretty)
1489: p->flags |= TERMP_NBRWORD;
1.226 kristaps 1490: term_word(p, n->string);
1.102 kristaps 1491: term_fontpop(p);
1492:
1.226 kristaps 1493: if (n->next) {
1.222 kristaps 1494: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1495: term_word(p, ",");
1.222 kristaps 1496: }
1.1 kristaps 1497: }
1498:
1.222 kristaps 1499: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1500: term_word(p, ")");
1501:
1.226 kristaps 1502: if (pretty) {
1.222 kristaps 1503: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1504: term_word(p, ";");
1.251 schwarze 1505: term_flushln(p);
1.222 kristaps 1506: }
1.1 kristaps 1507:
1508: return(0);
1509: }
1510:
1511: static int
1512: termp_fa_pre(DECL_ARGS)
1513: {
1.86 kristaps 1514: const struct mdoc_node *nn;
1.1 kristaps 1515:
1.86 kristaps 1516: if (n->parent->tok != MDOC_Fo) {
1.102 kristaps 1517: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1518: return(1);
1519: }
1520:
1.86 kristaps 1521: for (nn = n->child; nn; nn = nn->next) {
1.102 kristaps 1522: term_fontpush(p, TERMFONT_UNDER);
1.258 schwarze 1523: p->flags |= TERMP_NBRWORD;
1.86 kristaps 1524: term_word(p, nn->string);
1.102 kristaps 1525: term_fontpop(p);
1526:
1.256 schwarze 1527: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222 kristaps 1528: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1529: term_word(p, ",");
1.222 kristaps 1530: }
1.1 kristaps 1531: }
1532:
1533: return(0);
1534: }
1535:
1536: static int
1537: termp_bd_pre(DECL_ARGS)
1538: {
1.272 schwarze 1539: size_t tabwidth, lm, len, rm, rmax;
1.244 schwarze 1540: struct mdoc_node *nn;
1.302 schwarze 1541: int offset;
1.1 kristaps 1542:
1.86 kristaps 1543: if (MDOC_BLOCK == n->type) {
1.151 kristaps 1544: print_bvspace(p, n, n);
1.54 kristaps 1545: return(1);
1.116 kristaps 1546: } else if (MDOC_HEAD == n->type)
1547: return(0);
1.1 kristaps 1548:
1.288 schwarze 1549: /* Handle the -offset argument. */
1550:
1551: if (n->norm->Bd.offs == NULL ||
1552: ! strcmp(n->norm->Bd.offs, "left"))
1553: /* nothing */;
1554: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1555: p->offset += term_len(p, p->defindent + 1);
1556: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1557: p->offset += term_len(p, (p->defindent + 1) * 2);
1.302 schwarze 1558: else {
1559: offset = a2width(p, n->norm->Bd.offs);
1560: if (offset < 0 && (size_t)(-offset) > p->offset)
1561: p->offset = 0;
1562: else if (offset < SHRT_MAX)
1563: p->offset += offset;
1564: }
1.85 kristaps 1565:
1566: /*
1567: * If -ragged or -filled are specified, the block does nothing
1568: * but change the indentation. If -unfilled or -literal are
1569: * specified, text is printed exactly as entered in the display:
1570: * for macro lines, a newline is appended to the line. Blank
1571: * lines are allowed.
1572: */
1.264 schwarze 1573:
1574: if (DISP_literal != n->norm->Bd.type &&
1.272 schwarze 1575: DISP_unfilled != n->norm->Bd.type &&
1576: DISP_centered != n->norm->Bd.type)
1.1 kristaps 1577: return(1);
1578:
1.129 schwarze 1579: tabwidth = p->tabwidth;
1.208 kristaps 1580: if (DISP_literal == n->norm->Bd.type)
1581: p->tabwidth = term_len(p, 8);
1582:
1.272 schwarze 1583: lm = p->offset;
1.119 kristaps 1584: rm = p->rmargin;
1585: rmax = p->maxrmargin;
1.120 kristaps 1586: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1587:
1.86 kristaps 1588: for (nn = n->child; nn; nn = nn->next) {
1.272 schwarze 1589: if (DISP_centered == n->norm->Bd.type) {
1590: if (MDOC_TEXT == nn->type) {
1591: len = term_strlen(p, nn->string);
1592: p->offset = len >= rm ? 0 :
1593: lm + len >= rm ? rm - len :
1594: (lm + rm - len) / 2;
1595: } else
1596: p->offset = lm;
1597: }
1.245 schwarze 1598: print_mdoc_node(p, pair, meta, nn);
1.190 kristaps 1599: /*
1600: * If the printed node flushes its own line, then we
1601: * needn't do it here as well. This is hacky, but the
1602: * notion of selective eoln whitespace is pretty dumb
1603: * anyway, so don't sweat it.
1604: */
1605: switch (nn->tok) {
1.264 schwarze 1606: case MDOC_Sm:
1.193 kristaps 1607: /* FALLTHROUGH */
1.264 schwarze 1608: case MDOC_br:
1.190 kristaps 1609: /* FALLTHROUGH */
1.264 schwarze 1610: case MDOC_sp:
1.190 kristaps 1611: /* FALLTHROUGH */
1.264 schwarze 1612: case MDOC_Bl:
1.196 kristaps 1613: /* FALLTHROUGH */
1.264 schwarze 1614: case MDOC_D1:
1.196 kristaps 1615: /* FALLTHROUGH */
1.264 schwarze 1616: case MDOC_Dl:
1.190 kristaps 1617: /* FALLTHROUGH */
1.264 schwarze 1618: case MDOC_Lp:
1.190 kristaps 1619: /* FALLTHROUGH */
1.264 schwarze 1620: case MDOC_Pp:
1.190 kristaps 1621: continue;
1622: default:
1623: break;
1624: }
1.299 schwarze 1625: if (p->flags & TERMP_NONEWLINE ||
1626: (nn->next && ! (nn->next->flags & MDOC_LINE)))
1.180 schwarze 1627: continue;
1628: term_flushln(p);
1629: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1630: }
1.147 kristaps 1631:
1.129 schwarze 1632: p->tabwidth = tabwidth;
1.119 kristaps 1633: p->rmargin = rm;
1634: p->maxrmargin = rmax;
1.1 kristaps 1635: return(0);
1636: }
1637:
1638: static void
1639: termp_bd_post(DECL_ARGS)
1640: {
1.119 kristaps 1641: size_t rm, rmax;
1.1 kristaps 1642:
1.264 schwarze 1643: if (MDOC_BODY != n->type)
1.1 kristaps 1644: return;
1.118 kristaps 1645:
1.119 kristaps 1646: rm = p->rmargin;
1647: rmax = p->maxrmargin;
1.118 kristaps 1648:
1.264 schwarze 1649: if (DISP_literal == n->norm->Bd.type ||
1650: DISP_unfilled == n->norm->Bd.type)
1.120 kristaps 1651: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1652:
1.60 kristaps 1653: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1654: term_newln(p);
1.118 kristaps 1655:
1.119 kristaps 1656: p->rmargin = rm;
1657: p->maxrmargin = rmax;
1.1 kristaps 1658: }
1659:
1.211 kristaps 1660: static int
1661: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1662: {
1663:
1.211 kristaps 1664: if (NULL != (n = n->child)) {
1665: term_word(p, n->string);
1666: p->flags |= TERMP_NOSPACE;
1667: term_word(p, "BSD");
1668: } else {
1669: term_word(p, "BSD");
1670: return(0);
1671: }
1672:
1673: if (NULL != (n = n->next)) {
1674: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1675: term_word(p, "-");
1.1 kristaps 1676: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1677: term_word(p, n->string);
1.211 kristaps 1678: }
1679:
1680: return(0);
1.1 kristaps 1681: }
1682:
1683: static int
1.26 kristaps 1684: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1685: {
1.26 kristaps 1686: const char *pp;
1.218 schwarze 1687: int flags;
1.1 kristaps 1688:
1.26 kristaps 1689: pp = NULL;
1.86 kristaps 1690: switch (n->tok) {
1.264 schwarze 1691: case MDOC_Bsx:
1.194 schwarze 1692: pp = "BSD/OS";
1.26 kristaps 1693: break;
1.264 schwarze 1694: case MDOC_Dx:
1.100 kristaps 1695: pp = "DragonFly";
1.26 kristaps 1696: break;
1.264 schwarze 1697: case MDOC_Fx:
1.26 kristaps 1698: pp = "FreeBSD";
1699: break;
1.264 schwarze 1700: case MDOC_Nx:
1.26 kristaps 1701: pp = "NetBSD";
1702: break;
1.264 schwarze 1703: case MDOC_Ox:
1.26 kristaps 1704: pp = "OpenBSD";
1705: break;
1.264 schwarze 1706: case MDOC_Ux:
1.26 kristaps 1707: pp = "UNIX";
1708: break;
1709: default:
1.246 schwarze 1710: abort();
1711: /* NOTREACHED */
1.26 kristaps 1712: }
1.1 kristaps 1713:
1.26 kristaps 1714: term_word(p, pp);
1.214 kristaps 1715: if (n->child) {
1.218 schwarze 1716: flags = p->flags;
1.214 kristaps 1717: p->flags |= TERMP_KEEP;
1718: term_word(p, n->child->string);
1.218 schwarze 1719: p->flags = flags;
1.214 kristaps 1720: }
1721: return(0);
1.1 kristaps 1722: }
1723:
1724: static void
1725: termp_pf_post(DECL_ARGS)
1726: {
1727:
1.298 schwarze 1728: if ( ! (n->next == NULL || n->next->flags & MDOC_LINE))
1729: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1730: }
1731:
1732: static int
1733: termp_ss_pre(DECL_ARGS)
1734: {
1735:
1.86 kristaps 1736: switch (n->type) {
1.264 schwarze 1737: case MDOC_BLOCK:
1.1 kristaps 1738: term_newln(p);
1.86 kristaps 1739: if (n->prev)
1.1 kristaps 1740: term_vspace(p);
1741: break;
1.264 schwarze 1742: case MDOC_HEAD:
1.102 kristaps 1743: term_fontpush(p, TERMFONT_BOLD);
1.238 schwarze 1744: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1745: break;
1.274 schwarze 1746: case MDOC_BODY:
1747: p->offset = term_len(p, p->defindent);
1748: break;
1.1 kristaps 1749: default:
1750: break;
1751: }
1752:
1753: return(1);
1754: }
1755:
1756: static void
1757: termp_ss_post(DECL_ARGS)
1758: {
1759:
1.274 schwarze 1760: if (n->type == MDOC_HEAD || n->type == MDOC_BODY)
1.1 kristaps 1761: term_newln(p);
1762: }
1763:
1764: static int
1765: termp_cd_pre(DECL_ARGS)
1766: {
1767:
1.143 kristaps 1768: synopsis_pre(p, n);
1.102 kristaps 1769: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1770: return(1);
1771: }
1772:
1773: static int
1774: termp_in_pre(DECL_ARGS)
1775: {
1.142 schwarze 1776:
1.143 kristaps 1777: synopsis_pre(p, n);
1.1 kristaps 1778:
1.160 kristaps 1779: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138 kristaps 1780: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1781: term_word(p, "#include");
1.138 kristaps 1782: term_word(p, "<");
1783: } else {
1784: term_word(p, "<");
1785: term_fontpush(p, TERMFONT_UNDER);
1786: }
1.22 kristaps 1787:
1.1 kristaps 1788: p->flags |= TERMP_NOSPACE;
1789: return(1);
1790: }
1791:
1792: static void
1793: termp_in_post(DECL_ARGS)
1794: {
1795:
1.160 kristaps 1796: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1797: term_fontpush(p, TERMFONT_BOLD);
1798:
1.79 kristaps 1799: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1800: term_word(p, ">");
1801:
1.160 kristaps 1802: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1803: term_fontpop(p);
1.1 kristaps 1804: }
1805:
1806: static int
1.45 kristaps 1807: termp_sp_pre(DECL_ARGS)
1808: {
1.300 schwarze 1809: struct roffsu su;
1.91 kristaps 1810: size_t i, len;
1.45 kristaps 1811:
1.86 kristaps 1812: switch (n->tok) {
1.264 schwarze 1813: case MDOC_sp:
1.300 schwarze 1814: if (n->child) {
1815: if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
1816: su.scale = 1.0;
1817: len = term_vspan(p, &su);
1818: } else
1819: len = 1;
1.76 kristaps 1820: break;
1.264 schwarze 1821: case MDOC_br:
1.76 kristaps 1822: len = 0;
1823: break;
1824: default:
1825: len = 1;
1826: break;
1.45 kristaps 1827: }
1828:
1829: if (0 == len)
1830: term_newln(p);
1831: for (i = 0; i < len; i++)
1832: term_vspace(p);
1833:
1834: return(0);
1835: }
1836:
1837: static int
1.294 schwarze 1838: termp_skip_pre(DECL_ARGS)
1.268 schwarze 1839: {
1840:
1841: return(0);
1842: }
1843:
1844: static int
1.188 kristaps 1845: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1846: {
1847:
1.203 kristaps 1848: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1849: return(1);
1850:
1.188 kristaps 1851: switch (n->tok) {
1.264 schwarze 1852: case MDOC_Ao:
1.188 kristaps 1853: /* FALLTHROUGH */
1.264 schwarze 1854: case MDOC_Aq:
1.303 schwarze 1855: term_word(p, n->nchild == 1 &&
1856: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.188 kristaps 1857: break;
1.264 schwarze 1858: case MDOC_Bro:
1.188 kristaps 1859: /* FALLTHROUGH */
1.264 schwarze 1860: case MDOC_Brq:
1.188 kristaps 1861: term_word(p, "{");
1862: break;
1.264 schwarze 1863: case MDOC_Oo:
1.188 kristaps 1864: /* FALLTHROUGH */
1.264 schwarze 1865: case MDOC_Op:
1.188 kristaps 1866: /* FALLTHROUGH */
1.264 schwarze 1867: case MDOC_Bo:
1.188 kristaps 1868: /* FALLTHROUGH */
1.264 schwarze 1869: case MDOC_Bq:
1.188 kristaps 1870: term_word(p, "[");
1871: break;
1.264 schwarze 1872: case MDOC_Do:
1.188 kristaps 1873: /* FALLTHROUGH */
1.264 schwarze 1874: case MDOC_Dq:
1.249 schwarze 1875: term_word(p, "\\(lq");
1.188 kristaps 1876: break;
1.268 schwarze 1877: case MDOC_En:
1878: if (NULL == n->norm->Es ||
1879: NULL == n->norm->Es->child)
1880: return(1);
1881: term_word(p, n->norm->Es->child->string);
1882: break;
1.264 schwarze 1883: case MDOC_Po:
1.188 kristaps 1884: /* FALLTHROUGH */
1.264 schwarze 1885: case MDOC_Pq:
1.188 kristaps 1886: term_word(p, "(");
1887: break;
1.264 schwarze 1888: case MDOC__T:
1.205 kristaps 1889: /* FALLTHROUGH */
1.264 schwarze 1890: case MDOC_Qo:
1.188 kristaps 1891: /* FALLTHROUGH */
1.264 schwarze 1892: case MDOC_Qq:
1.188 kristaps 1893: term_word(p, "\"");
1894: break;
1.264 schwarze 1895: case MDOC_Ql:
1.188 kristaps 1896: /* FALLTHROUGH */
1.264 schwarze 1897: case MDOC_So:
1.188 kristaps 1898: /* FALLTHROUGH */
1.264 schwarze 1899: case MDOC_Sq:
1.249 schwarze 1900: term_word(p, "\\(oq");
1.188 kristaps 1901: break;
1902: default:
1903: abort();
1904: /* NOTREACHED */
1905: }
1.1 kristaps 1906:
1907: p->flags |= TERMP_NOSPACE;
1908: return(1);
1909: }
1910:
1911: static void
1.188 kristaps 1912: termp_quote_post(DECL_ARGS)
1.1 kristaps 1913: {
1914:
1.295 schwarze 1915: if (n->type != MDOC_BODY && n->type != MDOC_ELEM)
1.1 kristaps 1916: return;
1917:
1.306 schwarze 1918: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1919:
1.188 kristaps 1920: switch (n->tok) {
1.264 schwarze 1921: case MDOC_Ao:
1.188 kristaps 1922: /* FALLTHROUGH */
1.264 schwarze 1923: case MDOC_Aq:
1.303 schwarze 1924: term_word(p, n->nchild == 1 &&
1925: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.188 kristaps 1926: break;
1.264 schwarze 1927: case MDOC_Bro:
1.188 kristaps 1928: /* FALLTHROUGH */
1.264 schwarze 1929: case MDOC_Brq:
1.188 kristaps 1930: term_word(p, "}");
1931: break;
1.264 schwarze 1932: case MDOC_Oo:
1.188 kristaps 1933: /* FALLTHROUGH */
1.264 schwarze 1934: case MDOC_Op:
1.188 kristaps 1935: /* FALLTHROUGH */
1.264 schwarze 1936: case MDOC_Bo:
1.188 kristaps 1937: /* FALLTHROUGH */
1.264 schwarze 1938: case MDOC_Bq:
1.188 kristaps 1939: term_word(p, "]");
1940: break;
1.264 schwarze 1941: case MDOC_Do:
1.188 kristaps 1942: /* FALLTHROUGH */
1.264 schwarze 1943: case MDOC_Dq:
1.249 schwarze 1944: term_word(p, "\\(rq");
1.268 schwarze 1945: break;
1946: case MDOC_En:
1.306 schwarze 1947: if (n->norm->Es == NULL ||
1948: n->norm->Es->child == NULL ||
1949: n->norm->Es->child->next == NULL)
1950: p->flags &= ~TERMP_NOSPACE;
1951: else
1.268 schwarze 1952: term_word(p, n->norm->Es->child->next->string);
1.188 kristaps 1953: break;
1.264 schwarze 1954: case MDOC_Po:
1.188 kristaps 1955: /* FALLTHROUGH */
1.264 schwarze 1956: case MDOC_Pq:
1.188 kristaps 1957: term_word(p, ")");
1958: break;
1.264 schwarze 1959: case MDOC__T:
1.205 kristaps 1960: /* FALLTHROUGH */
1.264 schwarze 1961: case MDOC_Qo:
1.188 kristaps 1962: /* FALLTHROUGH */
1.264 schwarze 1963: case MDOC_Qq:
1.188 kristaps 1964: term_word(p, "\"");
1965: break;
1.264 schwarze 1966: case MDOC_Ql:
1.188 kristaps 1967: /* FALLTHROUGH */
1.264 schwarze 1968: case MDOC_So:
1.188 kristaps 1969: /* FALLTHROUGH */
1.264 schwarze 1970: case MDOC_Sq:
1.249 schwarze 1971: term_word(p, "\\(cq");
1.188 kristaps 1972: break;
1973: default:
1974: abort();
1975: /* NOTREACHED */
1976: }
1.306 schwarze 1977: }
1978:
1979: static int
1980: termp_eo_pre(DECL_ARGS)
1981: {
1982:
1983: if (n->type != MDOC_BODY)
1984: return(1);
1985:
1986: if (n->end == ENDBODY_NOT &&
1987: n->parent->head->child == NULL &&
1988: n->child != NULL &&
1989: n->child->end != ENDBODY_NOT)
1990: term_word(p, "\\&");
1991: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1992: n->parent->head->child != NULL &&
1993: (n->parent->body->child != NULL ||
1994: n->parent->tail->child != NULL))
1995: p->flags |= TERMP_NOSPACE;
1996:
1997: return(1);
1998: }
1999:
2000: static void
2001: termp_eo_post(DECL_ARGS)
2002: {
2003: int body, tail;
2004:
2005: if (n->type != MDOC_BODY)
2006: return;
2007:
2008: if (n->end != ENDBODY_NOT) {
2009: p->flags &= ~TERMP_NOSPACE;
2010: return;
2011: }
2012:
2013: body = n->child != NULL || n->parent->head->child != NULL;
2014: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
2015:
2016: if (body && tail)
2017: p->flags |= TERMP_NOSPACE;
2018: else if ( ! (body || tail))
2019: term_word(p, "\\&");
2020: else if ( ! tail)
2021: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2022: }
2023:
2024: static int
2025: termp_fo_pre(DECL_ARGS)
2026: {
1.257 schwarze 2027: size_t rmargin = 0;
1.256 schwarze 2028: int pretty;
2029:
2030: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 2031:
1.141 kristaps 2032: if (MDOC_BLOCK == n->type) {
1.143 kristaps 2033: synopsis_pre(p, n);
1.141 kristaps 2034: return(1);
2035: } else if (MDOC_BODY == n->type) {
1.256 schwarze 2036: if (pretty) {
2037: rmargin = p->rmargin;
1.257 schwarze 2038: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 2039: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
2040: TERMP_HANG;
1.256 schwarze 2041: }
1.33 kristaps 2042: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2043: term_word(p, "(");
1.222 kristaps 2044: p->flags |= TERMP_NOSPACE;
1.256 schwarze 2045: if (pretty) {
2046: term_flushln(p);
1.263 schwarze 2047: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
2048: TERMP_HANG);
1.256 schwarze 2049: p->offset = p->rmargin;
2050: p->rmargin = rmargin;
2051: }
1.1 kristaps 2052: return(1);
1.256 schwarze 2053: }
1.141 kristaps 2054:
1.169 kristaps 2055: if (NULL == n->child)
2056: return(0);
2057:
1.141 kristaps 2058: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2059:
1.141 kristaps 2060: assert(n->child->string);
1.102 kristaps 2061: term_fontpush(p, TERMFONT_BOLD);
1.141 kristaps 2062: term_word(p, n->child->string);
1.1 kristaps 2063: return(0);
2064: }
2065:
2066: static void
2067: termp_fo_post(DECL_ARGS)
2068: {
2069:
1.264 schwarze 2070: if (MDOC_BODY != n->type)
1.143 kristaps 2071: return;
2072:
1.222 kristaps 2073: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2074: term_word(p, ")");
2075:
1.222 kristaps 2076: if (MDOC_SYNPRETTY & n->flags) {
2077: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2078: term_word(p, ";");
1.256 schwarze 2079: term_flushln(p);
1.222 kristaps 2080: }
1.1 kristaps 2081: }
2082:
2083: static int
2084: termp_bf_pre(DECL_ARGS)
2085: {
2086:
1.86 kristaps 2087: if (MDOC_HEAD == n->type)
1.1 kristaps 2088: return(0);
1.244 schwarze 2089: else if (MDOC_BODY != n->type)
1.1 kristaps 2090: return(1);
2091:
1.264 schwarze 2092: if (FONT_Em == n->norm->Bf.font)
1.102 kristaps 2093: term_fontpush(p, TERMFONT_UNDER);
1.264 schwarze 2094: else if (FONT_Sy == n->norm->Bf.font)
1.102 kristaps 2095: term_fontpush(p, TERMFONT_BOLD);
1.264 schwarze 2096: else
1.102 kristaps 2097: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2098:
2099: return(1);
2100: }
2101:
2102: static int
2103: termp_sm_pre(DECL_ARGS)
2104: {
2105:
1.269 schwarze 2106: if (NULL == n->child)
2107: p->flags ^= TERMP_NONOSPACE;
2108: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 2109: p->flags &= ~TERMP_NONOSPACE;
1.269 schwarze 2110: else
1.1 kristaps 2111: p->flags |= TERMP_NONOSPACE;
1.269 schwarze 2112:
2113: if (p->col && ! (TERMP_NONOSPACE & p->flags))
2114: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2115:
2116: return(0);
2117: }
2118:
2119: static int
2120: termp_ap_pre(DECL_ARGS)
2121: {
2122:
2123: p->flags |= TERMP_NOSPACE;
1.188 kristaps 2124: term_word(p, "'");
1.1 kristaps 2125: p->flags |= TERMP_NOSPACE;
2126: return(1);
2127: }
2128:
2129: static void
2130: termp____post(DECL_ARGS)
2131: {
1.184 kristaps 2132:
2133: /*
2134: * Handle lists of authors. In general, print each followed by
2135: * a comma. Don't print the comma if there are only two
2136: * authors.
2137: */
2138: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2139: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2140: if (NULL == n->prev || MDOC__A != n->prev->tok)
2141: return;
1.1 kristaps 2142:
1.95 kristaps 2143: /* TODO: %U. */
2144:
1.187 kristaps 2145: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2146: return;
2147:
1.222 kristaps 2148: p->flags |= TERMP_NOSPACE;
1.186 kristaps 2149: if (NULL == n->next) {
2150: term_word(p, ".");
2151: p->flags |= TERMP_SENTENCE;
2152: } else
2153: term_word(p, ",");
1.1 kristaps 2154: }
2155:
2156: static int
1.102 kristaps 2157: termp_li_pre(DECL_ARGS)
2158: {
2159:
2160: term_fontpush(p, TERMFONT_NONE);
2161: return(1);
2162: }
2163:
2164: static int
1.1 kristaps 2165: termp_lk_pre(DECL_ARGS)
2166: {
1.240 schwarze 2167: const struct mdoc_node *link, *descr;
1.1 kristaps 2168:
1.240 schwarze 2169: if (NULL == (link = n->child))
2170: return(0);
1.181 kristaps 2171:
1.240 schwarze 2172: if (NULL != (descr = link->next)) {
2173: term_fontpush(p, TERMFONT_UNDER);
2174: while (NULL != descr) {
2175: term_word(p, descr->string);
2176: descr = descr->next;
2177: }
2178: p->flags |= TERMP_NOSPACE;
2179: term_word(p, ":");
2180: term_fontpop(p);
2181: }
1.1 kristaps 2182:
1.102 kristaps 2183: term_fontpush(p, TERMFONT_BOLD);
1.240 schwarze 2184: term_word(p, link->string);
1.102 kristaps 2185: term_fontpop(p);
1.12 kristaps 2186:
1.1 kristaps 2187: return(0);
2188: }
2189:
1.159 schwarze 2190: static int
2191: termp_bk_pre(DECL_ARGS)
2192: {
2193:
1.161 schwarze 2194: switch (n->type) {
1.264 schwarze 2195: case MDOC_BLOCK:
1.166 kristaps 2196: break;
1.264 schwarze 2197: case MDOC_HEAD:
1.161 schwarze 2198: return(0);
1.264 schwarze 2199: case MDOC_BODY:
1.200 schwarze 2200: if (n->parent->args || 0 == n->prev->nchild)
2201: p->flags |= TERMP_PREKEEP;
1.166 kristaps 2202: break;
1.161 schwarze 2203: default:
2204: abort();
1.166 kristaps 2205: /* NOTREACHED */
1.161 schwarze 2206: }
1.166 kristaps 2207:
2208: return(1);
1.159 schwarze 2209: }
2210:
2211: static void
2212: termp_bk_post(DECL_ARGS)
2213: {
2214:
1.253 schwarze 2215: if (MDOC_BODY == n->type)
1.161 schwarze 2216: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203 kristaps 2217: }
2218:
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: */
1.217 schwarze 2227: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2228: n->parent->norm->Rs.quote_T)
1.245 schwarze 2229: termp_quote_post(p, pair, meta, n);
1.203 kristaps 2230:
1.245 schwarze 2231: termp____post(p, pair, meta, n);
1.203 kristaps 2232: }
2233:
2234: static int
2235: termp__t_pre(DECL_ARGS)
2236: {
2237:
2238: /*
2239: * If we're in an `Rs' and there's a journal present, then quote
2240: * us instead of underlining us (for disambiguation).
2241: */
2242: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2243: n->parent->norm->Rs.quote_T)
1.245 schwarze 2244: return(termp_quote_pre(p, pair, meta, n));
1.203 kristaps 2245:
2246: term_fontpush(p, TERMFONT_UNDER);
2247: return(1);
1.159 schwarze 2248: }
1.1 kristaps 2249:
2250: static int
1.69 kristaps 2251: termp_under_pre(DECL_ARGS)
1.1 kristaps 2252: {
2253:
1.102 kristaps 2254: term_fontpush(p, TERMFONT_UNDER);
1.84 kristaps 2255: return(1);
2256: }
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