Annotation of mandoc/mdoc_term.c, Revision 1.302
1.302 ! schwarze 1: /* $Id: mdoc_term.c,v 1.301 2014/12/23 13:48:57 schwarze Exp $ */
1.1 kristaps 2: /*
1.217 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.259 schwarze 4: * Copyright (c) 2010, 2012, 2013, 2014 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);
1.241 schwarze 70: static void termp_fd_post(DECL_ARGS);
1.31 kristaps 71: static void termp_fo_post(DECL_ARGS);
72: static void termp_in_post(DECL_ARGS);
73: static void termp_it_post(DECL_ARGS);
74: static void termp_lb_post(DECL_ARGS);
1.164 schwarze 75: static void termp_nm_post(DECL_ARGS);
1.31 kristaps 76: static void termp_pf_post(DECL_ARGS);
1.188 kristaps 77: static void termp_quote_post(DECL_ARGS);
1.31 kristaps 78: static void termp_sh_post(DECL_ARGS);
79: static void termp_ss_post(DECL_ARGS);
80:
1.184 kristaps 81: static int termp__a_pre(DECL_ARGS);
1.203 kristaps 82: static int termp__t_pre(DECL_ARGS);
1.61 kristaps 83: static int termp_an_pre(DECL_ARGS);
1.31 kristaps 84: static int termp_ap_pre(DECL_ARGS);
85: static int termp_bd_pre(DECL_ARGS);
86: static int termp_bf_pre(DECL_ARGS);
1.159 schwarze 87: static int termp_bk_pre(DECL_ARGS);
1.115 kristaps 88: static int termp_bl_pre(DECL_ARGS);
1.69 kristaps 89: static int termp_bold_pre(DECL_ARGS);
1.31 kristaps 90: static int termp_bt_pre(DECL_ARGS);
1.211 kristaps 91: static int termp_bx_pre(DECL_ARGS);
1.31 kristaps 92: static int termp_cd_pre(DECL_ARGS);
93: static int termp_d1_pre(DECL_ARGS);
94: static int termp_ex_pre(DECL_ARGS);
95: static int termp_fa_pre(DECL_ARGS);
1.188 kristaps 96: static int termp_fd_pre(DECL_ARGS);
1.31 kristaps 97: static int termp_fl_pre(DECL_ARGS);
98: static int termp_fn_pre(DECL_ARGS);
99: static int termp_fo_pre(DECL_ARGS);
100: static int termp_ft_pre(DECL_ARGS);
101: static int termp_in_pre(DECL_ARGS);
102: static int termp_it_pre(DECL_ARGS);
1.102 kristaps 103: static int termp_li_pre(DECL_ARGS);
1.260 schwarze 104: static int termp_ll_pre(DECL_ARGS);
1.31 kristaps 105: static int termp_lk_pre(DECL_ARGS);
106: static int termp_nd_pre(DECL_ARGS);
107: static int termp_nm_pre(DECL_ARGS);
108: static int termp_ns_pre(DECL_ARGS);
1.188 kristaps 109: static int termp_quote_pre(DECL_ARGS);
1.31 kristaps 110: static int termp_rs_pre(DECL_ARGS);
111: static int termp_rv_pre(DECL_ARGS);
112: static int termp_sh_pre(DECL_ARGS);
1.294 schwarze 113: static int termp_skip_pre(DECL_ARGS);
1.31 kristaps 114: static int termp_sm_pre(DECL_ARGS);
1.45 kristaps 115: static int termp_sp_pre(DECL_ARGS);
1.31 kristaps 116: static int termp_ss_pre(DECL_ARGS);
1.69 kristaps 117: static int termp_under_pre(DECL_ARGS);
1.31 kristaps 118: static int termp_ud_pre(DECL_ARGS);
1.110 kristaps 119: static int termp_vt_pre(DECL_ARGS);
1.31 kristaps 120: static int termp_xr_pre(DECL_ARGS);
121: static int termp_xx_pre(DECL_ARGS);
122:
1.70 kristaps 123: static const struct termact termacts[MDOC_MAX] = {
1.14 kristaps 124: { termp_ap_pre, NULL }, /* Ap */
1.1 kristaps 125: { NULL, NULL }, /* Dd */
126: { NULL, NULL }, /* Dt */
127: { NULL, NULL }, /* Os */
128: { termp_sh_pre, termp_sh_post }, /* Sh */
1.264 schwarze 129: { termp_ss_pre, termp_ss_post }, /* Ss */
130: { termp_sp_pre, NULL }, /* Pp */
1.241 schwarze 131: { termp_d1_pre, termp_bl_post }, /* D1 */
132: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 133: { termp_bd_pre, termp_bd_post }, /* Bd */
134: { NULL, NULL }, /* Ed */
1.115 kristaps 135: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 136: { NULL, NULL }, /* El */
137: { termp_it_pre, termp_it_post }, /* It */
1.264 schwarze 138: { termp_under_pre, NULL }, /* Ad */
1.282 schwarze 139: { termp_an_pre, NULL }, /* An */
1.69 kristaps 140: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 141: { termp_cd_pre, NULL }, /* Cd */
1.69 kristaps 142: { termp_bold_pre, NULL }, /* Cm */
1.264 schwarze 143: { NULL, NULL }, /* Dv */
144: { NULL, NULL }, /* Er */
145: { NULL, NULL }, /* Ev */
1.1 kristaps 146: { termp_ex_pre, NULL }, /* Ex */
1.264 schwarze 147: { termp_fa_pre, NULL }, /* Fa */
148: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 149: { termp_fl_pre, NULL }, /* Fl */
1.264 schwarze 150: { termp_fn_pre, NULL }, /* Fn */
151: { termp_ft_pre, NULL }, /* Ft */
152: { termp_bold_pre, NULL }, /* Ic */
153: { termp_in_pre, termp_in_post }, /* In */
1.102 kristaps 154: { termp_li_pre, NULL }, /* Li */
1.264 schwarze 155: { termp_nd_pre, NULL }, /* Nd */
156: { termp_nm_pre, termp_nm_post }, /* Nm */
1.188 kristaps 157: { termp_quote_pre, termp_quote_post }, /* Op */
1.268 schwarze 158: { termp_ft_pre, NULL }, /* Ot */
1.69 kristaps 159: { termp_under_pre, NULL }, /* Pa */
1.1 kristaps 160: { termp_rv_pre, NULL }, /* Rv */
1.264 schwarze 161: { NULL, NULL }, /* St */
1.69 kristaps 162: { termp_under_pre, NULL }, /* Va */
1.143 kristaps 163: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 164: { termp_xr_pre, NULL }, /* Xr */
1.184 kristaps 165: { termp__a_pre, termp____post }, /* %A */
1.84 kristaps 166: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 167: { NULL, termp____post }, /* %D */
1.84 kristaps 168: { termp_under_pre, termp____post }, /* %I */
1.69 kristaps 169: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 170: { NULL, termp____post }, /* %N */
171: { NULL, termp____post }, /* %O */
172: { NULL, termp____post }, /* %P */
173: { NULL, termp____post }, /* %R */
1.203 kristaps 174: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 175: { NULL, termp____post }, /* %V */
176: { NULL, NULL }, /* Ac */
1.188 kristaps 177: { termp_quote_pre, termp_quote_post }, /* Ao */
178: { termp_quote_pre, termp_quote_post }, /* Aq */
1.35 kristaps 179: { NULL, NULL }, /* At */
1.1 kristaps 180: { NULL, NULL }, /* Bc */
1.264 schwarze 181: { termp_bf_pre, NULL }, /* Bf */
1.188 kristaps 182: { termp_quote_pre, termp_quote_post }, /* Bo */
183: { termp_quote_pre, termp_quote_post }, /* Bq */
1.26 kristaps 184: { termp_xx_pre, NULL }, /* Bsx */
1.211 kristaps 185: { termp_bx_pre, NULL }, /* Bx */
1.294 schwarze 186: { termp_skip_pre, NULL }, /* Db */
1.1 kristaps 187: { NULL, NULL }, /* Dc */
1.188 kristaps 188: { termp_quote_pre, termp_quote_post }, /* Do */
189: { termp_quote_pre, termp_quote_post }, /* Dq */
1.112 kristaps 190: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 191: { NULL, NULL }, /* Ef */
1.264 schwarze 192: { termp_under_pre, NULL }, /* Em */
1.237 schwarze 193: { termp_quote_pre, termp_quote_post }, /* Eo */
1.26 kristaps 194: { termp_xx_pre, NULL }, /* Fx */
1.176 kristaps 195: { termp_bold_pre, NULL }, /* Ms */
1.290 schwarze 196: { termp_li_pre, NULL }, /* No */
1.1 kristaps 197: { termp_ns_pre, NULL }, /* Ns */
1.26 kristaps 198: { termp_xx_pre, NULL }, /* Nx */
199: { termp_xx_pre, NULL }, /* Ox */
1.1 kristaps 200: { NULL, NULL }, /* Pc */
1.254 schwarze 201: { NULL, termp_pf_post }, /* Pf */
1.188 kristaps 202: { termp_quote_pre, termp_quote_post }, /* Po */
203: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 204: { NULL, NULL }, /* Qc */
1.188 kristaps 205: { termp_quote_pre, termp_quote_post }, /* Ql */
206: { termp_quote_pre, termp_quote_post }, /* Qo */
207: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 208: { NULL, NULL }, /* Re */
209: { termp_rs_pre, NULL }, /* Rs */
210: { NULL, NULL }, /* Sc */
1.188 kristaps 211: { termp_quote_pre, termp_quote_post }, /* So */
212: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 213: { termp_sm_pre, NULL }, /* Sm */
1.69 kristaps 214: { termp_under_pre, NULL }, /* Sx */
215: { termp_bold_pre, NULL }, /* Sy */
1.1 kristaps 216: { NULL, NULL }, /* Tn */
1.26 kristaps 217: { termp_xx_pre, NULL }, /* Ux */
1.1 kristaps 218: { NULL, NULL }, /* Xc */
219: { NULL, NULL }, /* Xo */
1.264 schwarze 220: { termp_fo_pre, termp_fo_post }, /* Fo */
221: { NULL, NULL }, /* Fc */
1.188 kristaps 222: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 223: { NULL, NULL }, /* Oc */
1.159 schwarze 224: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 225: { NULL, NULL }, /* Ek */
226: { termp_bt_pre, NULL }, /* Bt */
227: { NULL, NULL }, /* Hf */
1.268 schwarze 228: { termp_under_pre, NULL }, /* Fr */
1.1 kristaps 229: { termp_ud_pre, NULL }, /* Ud */
1.37 kristaps 230: { NULL, termp_lb_post }, /* Lb */
1.264 schwarze 231: { termp_sp_pre, NULL }, /* Lp */
232: { termp_lk_pre, NULL }, /* Lk */
233: { termp_under_pre, NULL }, /* Mt */
234: { termp_quote_pre, termp_quote_post }, /* Brq */
235: { termp_quote_pre, termp_quote_post }, /* Bro */
236: { NULL, NULL }, /* Brc */
237: { NULL, termp____post }, /* %C */
1.294 schwarze 238: { termp_skip_pre, NULL }, /* Es */
1.268 schwarze 239: { termp_quote_pre, termp_quote_post }, /* En */
1.264 schwarze 240: { termp_xx_pre, NULL }, /* Dx */
241: { NULL, termp____post }, /* %Q */
1.76 kristaps 242: { termp_sp_pre, NULL }, /* br */
1.264 schwarze 243: { termp_sp_pre, NULL }, /* sp */
244: { NULL, termp____post }, /* %U */
245: { NULL, NULL }, /* Ta */
1.260 schwarze 246: { termp_ll_pre, NULL }, /* ll */
1.1 kristaps 247: };
248:
249:
1.70 kristaps 250: void
1.89 kristaps 251: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1 kristaps 252: {
1.245 schwarze 253: const struct mdoc_meta *meta;
1.281 schwarze 254: struct mdoc_node *n;
1.89 kristaps 255: struct termp *p;
256:
257: p = (struct termp *)arg;
1.111 kristaps 258:
259: p->overstep = 0;
1.281 schwarze 260: p->rmargin = p->maxrmargin = p->defrmargin;
1.157 kristaps 261: p->tabwidth = term_len(p, 5);
1.70 kristaps 262:
1.281 schwarze 263: n = mdoc_node(mdoc)->child;
1.245 schwarze 264: meta = mdoc_meta(mdoc);
1.146 schwarze 265:
1.281 schwarze 266: if (p->synopsisonly) {
267: while (n != NULL) {
268: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
269: if (n->child->next->child != NULL)
270: print_mdoc_nodelist(p, NULL,
271: meta, n->child->next->child);
272: term_newln(p);
273: break;
274: }
275: n = n->next;
276: }
277: } else {
278: if (p->defindent == 0)
279: p->defindent = 5;
280: term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
281: if (n != NULL) {
282: if (n->tok != MDOC_Sh)
283: term_vspace(p);
284: print_mdoc_nodelist(p, NULL, meta, n);
285: }
286: term_end(p);
1.271 schwarze 287: }
1.1 kristaps 288: }
289:
1.3 kristaps 290: static void
1.102 kristaps 291: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 292: {
293:
1.245 schwarze 294: print_mdoc_node(p, pair, meta, n);
1.86 kristaps 295: if (n->next)
1.245 schwarze 296: print_mdoc_nodelist(p, pair, meta, n->next);
1.1 kristaps 297: }
298:
1.3 kristaps 299: static void
1.102 kristaps 300: print_mdoc_node(DECL_ARGS)
1.1 kristaps 301: {
1.102 kristaps 302: int chld;
1.1 kristaps 303: struct termpair npair;
1.30 kristaps 304: size_t offset, rmargin;
1.1 kristaps 305:
1.70 kristaps 306: chld = 1;
1.29 kristaps 307: offset = p->offset;
1.30 kristaps 308: rmargin = p->rmargin;
1.244 schwarze 309: n->prev_font = term_fontq(p);
1.29 kristaps 310:
1.97 kristaps 311: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 312: npair.ppair = pair;
1.172 kristaps 313:
314: /*
315: * Keeps only work until the end of a line. If a keep was
316: * invoked in a prior line, revert it to PREKEEP.
317: */
318:
1.253 schwarze 319: if (TERMP_KEEP & p->flags) {
1.252 schwarze 320: if (n->prev ? (n->prev->lastline != n->line) :
1.248 schwarze 321: (n->parent && n->parent->line != n->line)) {
1.172 kristaps 322: p->flags &= ~TERMP_KEEP;
323: p->flags |= TERMP_PREKEEP;
324: }
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: }
1.61 kristaps 1093:
1.282 schwarze 1094: if (n->child == NULL)
1095: return(0);
1.264 schwarze 1096:
1.282 schwarze 1097: if (p->flags & TERMP_SPLIT)
1.61 kristaps 1098: term_newln(p);
1099:
1.282 schwarze 1100: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1101: p->flags |= TERMP_SPLIT;
1.61 kristaps 1102:
1103: return(1);
1104: }
1105:
1106: static int
1.1 kristaps 1107: termp_ns_pre(DECL_ARGS)
1108: {
1109:
1.215 kristaps 1110: if ( ! (MDOC_LINE & n->flags))
1111: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1112: return(1);
1113: }
1114:
1115: static int
1116: termp_rs_pre(DECL_ARGS)
1117: {
1118:
1.86 kristaps 1119: if (SEC_SEE_ALSO != n->sec)
1.80 kristaps 1120: return(1);
1.86 kristaps 1121: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1122: term_vspace(p);
1123: return(1);
1124: }
1125:
1126: static int
1127: termp_rv_pre(DECL_ARGS)
1128: {
1.223 kristaps 1129: int nchild;
1.1 kristaps 1130:
1131: term_newln(p);
1132:
1.223 kristaps 1133: nchild = n->nchild;
1.273 schwarze 1134: if (nchild > 0) {
1135: term_word(p, "The");
1.224 kristaps 1136:
1.273 schwarze 1137: for (n = n->child; n; n = n->next) {
1138: term_fontpush(p, TERMFONT_BOLD);
1139: term_word(p, n->string);
1140: term_fontpop(p);
1.223 kristaps 1141:
1142: p->flags |= TERMP_NOSPACE;
1.273 schwarze 1143: term_word(p, "()");
1144:
1145: if (n->next == NULL)
1146: continue;
1147:
1148: if (nchild > 2) {
1149: p->flags |= TERMP_NOSPACE;
1150: term_word(p, ",");
1151: }
1152: if (n->next->next == NULL)
1153: term_word(p, "and");
1.223 kristaps 1154: }
1155:
1.273 schwarze 1156: if (nchild > 1)
1157: term_word(p, "functions return");
1158: else
1159: term_word(p, "function returns");
1160:
1161: term_word(p, "the value\\~0 if successful;");
1162: } else
1163: term_word(p, "Upon successful completion,"
1164: " the value\\~0 is returned;");
1.1 kristaps 1165:
1.273 schwarze 1166: term_word(p, "otherwise the value\\~\\-1 is returned"
1167: " and the global variable");
1.1 kristaps 1168:
1.102 kristaps 1169: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1170: term_word(p, "errno");
1.102 kristaps 1171: term_fontpop(p);
1.1 kristaps 1172:
1.264 schwarze 1173: term_word(p, "is set to indicate the error.");
1.131 kristaps 1174: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1175:
1.68 kristaps 1176: return(0);
1.1 kristaps 1177: }
1178:
1179: static int
1180: termp_ex_pre(DECL_ARGS)
1181: {
1.224 kristaps 1182: int nchild;
1.1 kristaps 1183:
1.224 kristaps 1184: term_newln(p);
1.68 kristaps 1185: term_word(p, "The");
1.1 kristaps 1186:
1.224 kristaps 1187: nchild = n->nchild;
1188: for (n = n->child; n; n = n->next) {
1.102 kristaps 1189: term_fontpush(p, TERMFONT_BOLD);
1.224 kristaps 1190: term_word(p, n->string);
1.102 kristaps 1191: term_fontpop(p);
1.224 kristaps 1192:
1193: if (nchild > 2 && n->next) {
1194: p->flags |= TERMP_NOSPACE;
1.68 kristaps 1195: term_word(p, ",");
1.224 kristaps 1196: }
1197:
1198: if (n->next && NULL == n->next->next)
1199: term_word(p, "and");
1.68 kristaps 1200: }
1201:
1.224 kristaps 1202: if (nchild > 1)
1.273 schwarze 1203: term_word(p, "utilities exit\\~0");
1.68 kristaps 1204: else
1.273 schwarze 1205: term_word(p, "utility exits\\~0");
1.68 kristaps 1206:
1.273 schwarze 1207: term_word(p, "on success, and\\~>0 if an error occurs.");
1.224 kristaps 1208:
1.131 kristaps 1209: p->flags |= TERMP_SENTENCE;
1.68 kristaps 1210: return(0);
1.1 kristaps 1211: }
1212:
1213: static int
1214: termp_nd_pre(DECL_ARGS)
1215: {
1.25 kristaps 1216:
1.297 schwarze 1217: if (n->type == MDOC_BODY)
1218: term_word(p, "\\(en");
1.1 kristaps 1219: return(1);
1.115 kristaps 1220: }
1221:
1222: static int
1223: termp_bl_pre(DECL_ARGS)
1224: {
1225:
1226: return(MDOC_HEAD != n->type);
1.1 kristaps 1227: }
1228:
1229: static void
1230: termp_bl_post(DECL_ARGS)
1231: {
1232:
1.86 kristaps 1233: if (MDOC_BLOCK == n->type)
1.1 kristaps 1234: term_newln(p);
1235: }
1236:
1237: static int
1238: termp_xr_pre(DECL_ARGS)
1239: {
1240:
1.225 kristaps 1241: if (NULL == (n = n->child))
1.113 kristaps 1242: return(0);
1243:
1.225 kristaps 1244: assert(MDOC_TEXT == n->type);
1245: term_word(p, n->string);
1.11 kristaps 1246:
1.264 schwarze 1247: if (NULL == (n = n->next))
1.1 kristaps 1248: return(0);
1.225 kristaps 1249:
1.1 kristaps 1250: p->flags |= TERMP_NOSPACE;
1251: term_word(p, "(");
1.222 kristaps 1252: p->flags |= TERMP_NOSPACE;
1.225 kristaps 1253:
1254: assert(MDOC_TEXT == n->type);
1255: term_word(p, n->string);
1256:
1.222 kristaps 1257: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1258: term_word(p, ")");
1.86 kristaps 1259:
1.1 kristaps 1260: return(0);
1261: }
1262:
1.143 kristaps 1263: /*
1264: * This decides how to assert whitespace before any of the SYNOPSIS set
1265: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1266: * macro combos).
1267: */
1268: static void
1269: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1270: {
1.264 schwarze 1271: /*
1.143 kristaps 1272: * Obviously, if we're not in a SYNOPSIS or no prior macros
1273: * exist, do nothing.
1274: */
1.160 kristaps 1275: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143 kristaps 1276: return;
1277:
1278: /*
1279: * If we're the second in a pair of like elements, emit our
1280: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1281: * case we soldier on.
1282: */
1.264 schwarze 1283: if (n->prev->tok == n->tok &&
1284: MDOC_Ft != n->tok &&
1285: MDOC_Fo != n->tok &&
1286: MDOC_Fn != n->tok) {
1.143 kristaps 1287: term_newln(p);
1288: return;
1289: }
1290:
1291: /*
1292: * If we're one of the SYNOPSIS set and non-like pair-wise after
1293: * another (or Fn/Fo, which we've let slip through) then assert
1294: * vertical space, else only newline and move on.
1295: */
1296: switch (n->prev->tok) {
1.264 schwarze 1297: case MDOC_Fd:
1.143 kristaps 1298: /* FALLTHROUGH */
1.264 schwarze 1299: case MDOC_Fn:
1.143 kristaps 1300: /* FALLTHROUGH */
1.264 schwarze 1301: case MDOC_Fo:
1.143 kristaps 1302: /* FALLTHROUGH */
1.264 schwarze 1303: case MDOC_In:
1.143 kristaps 1304: /* FALLTHROUGH */
1.264 schwarze 1305: case MDOC_Vt:
1.143 kristaps 1306: term_vspace(p);
1307: break;
1.264 schwarze 1308: case MDOC_Ft:
1.143 kristaps 1309: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1310: term_vspace(p);
1311: break;
1312: }
1313: /* FALLTHROUGH */
1314: default:
1315: term_newln(p);
1316: break;
1317: }
1318: }
1319:
1.110 kristaps 1320: static int
1321: termp_vt_pre(DECL_ARGS)
1322: {
1323:
1.143 kristaps 1324: if (MDOC_ELEM == n->type) {
1325: synopsis_pre(p, n);
1.245 schwarze 1326: return(termp_under_pre(p, pair, meta, n));
1.143 kristaps 1327: } else if (MDOC_BLOCK == n->type) {
1328: synopsis_pre(p, n);
1329: return(1);
1330: } else if (MDOC_HEAD == n->type)
1.110 kristaps 1331: return(0);
1332:
1.245 schwarze 1333: return(termp_under_pre(p, pair, meta, n));
1.110 kristaps 1334: }
1335:
1.1 kristaps 1336: static int
1.69 kristaps 1337: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1338: {
1339:
1.102 kristaps 1340: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1341: return(1);
1342: }
1343:
1.143 kristaps 1344: static int
1345: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1346: {
1347:
1.143 kristaps 1348: synopsis_pre(p, n);
1.245 schwarze 1349: return(termp_bold_pre(p, pair, meta, n));
1.1 kristaps 1350: }
1351:
1.241 schwarze 1352: static void
1353: termp_fd_post(DECL_ARGS)
1354: {
1355:
1356: term_newln(p);
1357: }
1358:
1.1 kristaps 1359: static int
1360: termp_sh_pre(DECL_ARGS)
1361: {
1.85 kristaps 1362:
1.86 kristaps 1363: switch (n->type) {
1.264 schwarze 1364: case MDOC_BLOCK:
1.293 schwarze 1365: /*
1366: * Vertical space before sections, except
1367: * when the previous section was empty.
1368: */
1369: if (n->prev == NULL ||
1370: MDOC_Sh != n->prev->tok ||
1371: (n->prev->body != NULL &&
1372: n->prev->body->child != NULL))
1373: term_vspace(p);
1.65 kristaps 1374: break;
1.264 schwarze 1375: case MDOC_HEAD:
1.102 kristaps 1376: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1377: break;
1.264 schwarze 1378: case MDOC_BODY:
1.238 schwarze 1379: p->offset = term_len(p, p->defindent);
1.239 schwarze 1380: if (SEC_AUTHORS == n->sec)
1381: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1382: break;
1383: default:
1384: break;
1385: }
1386: return(1);
1387: }
1388:
1389: static void
1390: termp_sh_post(DECL_ARGS)
1391: {
1392:
1.86 kristaps 1393: switch (n->type) {
1.264 schwarze 1394: case MDOC_HEAD:
1.1 kristaps 1395: term_newln(p);
1396: break;
1.264 schwarze 1397: case MDOC_BODY:
1.1 kristaps 1398: term_newln(p);
1399: p->offset = 0;
1400: break;
1401: default:
1402: break;
1403: }
1404: }
1405:
1406: static int
1407: termp_bt_pre(DECL_ARGS)
1408: {
1409:
1410: term_word(p, "is currently in beta test.");
1.131 kristaps 1411: p->flags |= TERMP_SENTENCE;
1.81 kristaps 1412: return(0);
1.1 kristaps 1413: }
1414:
1415: static void
1416: termp_lb_post(DECL_ARGS)
1417: {
1418:
1.122 kristaps 1419: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81 kristaps 1420: term_newln(p);
1.1 kristaps 1421: }
1422:
1423: static int
1424: termp_ud_pre(DECL_ARGS)
1425: {
1426:
1427: term_word(p, "currently under development.");
1.131 kristaps 1428: p->flags |= TERMP_SENTENCE;
1.86 kristaps 1429: return(0);
1.1 kristaps 1430: }
1431:
1432: static int
1433: termp_d1_pre(DECL_ARGS)
1434: {
1435:
1.86 kristaps 1436: if (MDOC_BLOCK != n->type)
1.1 kristaps 1437: return(1);
1438: term_newln(p);
1.238 schwarze 1439: p->offset += term_len(p, p->defindent + 1);
1.1 kristaps 1440: return(1);
1441: }
1442:
1443: static int
1444: termp_ft_pre(DECL_ARGS)
1445: {
1446:
1.141 kristaps 1447: /* NB: MDOC_LINE does not effect this! */
1.143 kristaps 1448: synopsis_pre(p, n);
1.102 kristaps 1449: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1450: return(1);
1451: }
1452:
1453: static int
1454: termp_fn_pre(DECL_ARGS)
1455: {
1.257 schwarze 1456: size_t rmargin = 0;
1.226 kristaps 1457: int pretty;
1458:
1459: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1460:
1.143 kristaps 1461: synopsis_pre(p, n);
1.139 kristaps 1462:
1.226 kristaps 1463: if (NULL == (n = n->child))
1464: return(0);
1465:
1.251 schwarze 1466: if (pretty) {
1467: rmargin = p->rmargin;
1.257 schwarze 1468: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 1469: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251 schwarze 1470: }
1471:
1.226 kristaps 1472: assert(MDOC_TEXT == n->type);
1.102 kristaps 1473: term_fontpush(p, TERMFONT_BOLD);
1.226 kristaps 1474: term_word(p, n->string);
1.102 kristaps 1475: term_fontpop(p);
1.1 kristaps 1476:
1.251 schwarze 1477: if (pretty) {
1478: term_flushln(p);
1.263 schwarze 1479: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251 schwarze 1480: p->offset = p->rmargin;
1481: p->rmargin = rmargin;
1482: }
1483:
1.1 kristaps 1484: p->flags |= TERMP_NOSPACE;
1485: term_word(p, "(");
1.222 kristaps 1486: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1487:
1.226 kristaps 1488: for (n = n->next; n; n = n->next) {
1489: assert(MDOC_TEXT == n->type);
1.102 kristaps 1490: term_fontpush(p, TERMFONT_UNDER);
1.255 schwarze 1491: if (pretty)
1492: p->flags |= TERMP_NBRWORD;
1.226 kristaps 1493: term_word(p, n->string);
1.102 kristaps 1494: term_fontpop(p);
1495:
1.226 kristaps 1496: if (n->next) {
1.222 kristaps 1497: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1498: term_word(p, ",");
1.222 kristaps 1499: }
1.1 kristaps 1500: }
1501:
1.222 kristaps 1502: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1503: term_word(p, ")");
1504:
1.226 kristaps 1505: if (pretty) {
1.222 kristaps 1506: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1507: term_word(p, ";");
1.251 schwarze 1508: term_flushln(p);
1.222 kristaps 1509: }
1.1 kristaps 1510:
1511: return(0);
1512: }
1513:
1514: static int
1515: termp_fa_pre(DECL_ARGS)
1516: {
1.86 kristaps 1517: const struct mdoc_node *nn;
1.1 kristaps 1518:
1.86 kristaps 1519: if (n->parent->tok != MDOC_Fo) {
1.102 kristaps 1520: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1521: return(1);
1522: }
1523:
1.86 kristaps 1524: for (nn = n->child; nn; nn = nn->next) {
1.102 kristaps 1525: term_fontpush(p, TERMFONT_UNDER);
1.258 schwarze 1526: p->flags |= TERMP_NBRWORD;
1.86 kristaps 1527: term_word(p, nn->string);
1.102 kristaps 1528: term_fontpop(p);
1529:
1.256 schwarze 1530: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222 kristaps 1531: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1532: term_word(p, ",");
1.222 kristaps 1533: }
1.1 kristaps 1534: }
1535:
1536: return(0);
1537: }
1538:
1539: static int
1540: termp_bd_pre(DECL_ARGS)
1541: {
1.272 schwarze 1542: size_t tabwidth, lm, len, rm, rmax;
1.244 schwarze 1543: struct mdoc_node *nn;
1.302 ! schwarze 1544: int offset;
1.1 kristaps 1545:
1.86 kristaps 1546: if (MDOC_BLOCK == n->type) {
1.151 kristaps 1547: print_bvspace(p, n, n);
1.54 kristaps 1548: return(1);
1.116 kristaps 1549: } else if (MDOC_HEAD == n->type)
1550: return(0);
1.1 kristaps 1551:
1.288 schwarze 1552: /* Handle the -offset argument. */
1553:
1554: if (n->norm->Bd.offs == NULL ||
1555: ! strcmp(n->norm->Bd.offs, "left"))
1556: /* nothing */;
1557: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1558: p->offset += term_len(p, p->defindent + 1);
1559: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1560: p->offset += term_len(p, (p->defindent + 1) * 2);
1.302 ! schwarze 1561: else {
! 1562: offset = a2width(p, n->norm->Bd.offs);
! 1563: if (offset < 0 && (size_t)(-offset) > p->offset)
! 1564: p->offset = 0;
! 1565: else if (offset < SHRT_MAX)
! 1566: p->offset += offset;
! 1567: }
1.85 kristaps 1568:
1569: /*
1570: * If -ragged or -filled are specified, the block does nothing
1571: * but change the indentation. If -unfilled or -literal are
1572: * specified, text is printed exactly as entered in the display:
1573: * for macro lines, a newline is appended to the line. Blank
1574: * lines are allowed.
1575: */
1.264 schwarze 1576:
1577: if (DISP_literal != n->norm->Bd.type &&
1.272 schwarze 1578: DISP_unfilled != n->norm->Bd.type &&
1579: DISP_centered != n->norm->Bd.type)
1.1 kristaps 1580: return(1);
1581:
1.129 schwarze 1582: tabwidth = p->tabwidth;
1.208 kristaps 1583: if (DISP_literal == n->norm->Bd.type)
1584: p->tabwidth = term_len(p, 8);
1585:
1.272 schwarze 1586: lm = p->offset;
1.119 kristaps 1587: rm = p->rmargin;
1588: rmax = p->maxrmargin;
1.120 kristaps 1589: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1590:
1.86 kristaps 1591: for (nn = n->child; nn; nn = nn->next) {
1.272 schwarze 1592: if (DISP_centered == n->norm->Bd.type) {
1593: if (MDOC_TEXT == nn->type) {
1594: len = term_strlen(p, nn->string);
1595: p->offset = len >= rm ? 0 :
1596: lm + len >= rm ? rm - len :
1597: (lm + rm - len) / 2;
1598: } else
1599: p->offset = lm;
1600: }
1.245 schwarze 1601: print_mdoc_node(p, pair, meta, nn);
1.190 kristaps 1602: /*
1603: * If the printed node flushes its own line, then we
1604: * needn't do it here as well. This is hacky, but the
1605: * notion of selective eoln whitespace is pretty dumb
1606: * anyway, so don't sweat it.
1607: */
1608: switch (nn->tok) {
1.264 schwarze 1609: case MDOC_Sm:
1.193 kristaps 1610: /* FALLTHROUGH */
1.264 schwarze 1611: case MDOC_br:
1.190 kristaps 1612: /* FALLTHROUGH */
1.264 schwarze 1613: case MDOC_sp:
1.190 kristaps 1614: /* FALLTHROUGH */
1.264 schwarze 1615: case MDOC_Bl:
1.196 kristaps 1616: /* FALLTHROUGH */
1.264 schwarze 1617: case MDOC_D1:
1.196 kristaps 1618: /* FALLTHROUGH */
1.264 schwarze 1619: case MDOC_Dl:
1.190 kristaps 1620: /* FALLTHROUGH */
1.264 schwarze 1621: case MDOC_Lp:
1.190 kristaps 1622: /* FALLTHROUGH */
1.264 schwarze 1623: case MDOC_Pp:
1.190 kristaps 1624: continue;
1625: default:
1626: break;
1627: }
1.299 schwarze 1628: if (p->flags & TERMP_NONEWLINE ||
1629: (nn->next && ! (nn->next->flags & MDOC_LINE)))
1.180 schwarze 1630: continue;
1631: term_flushln(p);
1632: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1633: }
1.147 kristaps 1634:
1.129 schwarze 1635: p->tabwidth = tabwidth;
1.119 kristaps 1636: p->rmargin = rm;
1637: p->maxrmargin = rmax;
1.1 kristaps 1638: return(0);
1639: }
1640:
1641: static void
1642: termp_bd_post(DECL_ARGS)
1643: {
1.119 kristaps 1644: size_t rm, rmax;
1.1 kristaps 1645:
1.264 schwarze 1646: if (MDOC_BODY != n->type)
1.1 kristaps 1647: return;
1.118 kristaps 1648:
1.119 kristaps 1649: rm = p->rmargin;
1650: rmax = p->maxrmargin;
1.118 kristaps 1651:
1.264 schwarze 1652: if (DISP_literal == n->norm->Bd.type ||
1653: DISP_unfilled == n->norm->Bd.type)
1.120 kristaps 1654: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1655:
1.60 kristaps 1656: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1657: term_newln(p);
1.118 kristaps 1658:
1.119 kristaps 1659: p->rmargin = rm;
1660: p->maxrmargin = rmax;
1.1 kristaps 1661: }
1662:
1.211 kristaps 1663: static int
1664: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1665: {
1666:
1.211 kristaps 1667: if (NULL != (n = n->child)) {
1668: term_word(p, n->string);
1669: p->flags |= TERMP_NOSPACE;
1670: term_word(p, "BSD");
1671: } else {
1672: term_word(p, "BSD");
1673: return(0);
1674: }
1675:
1676: if (NULL != (n = n->next)) {
1677: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1678: term_word(p, "-");
1.1 kristaps 1679: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1680: term_word(p, n->string);
1.211 kristaps 1681: }
1682:
1683: return(0);
1.1 kristaps 1684: }
1685:
1686: static int
1.26 kristaps 1687: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1688: {
1.26 kristaps 1689: const char *pp;
1.218 schwarze 1690: int flags;
1.1 kristaps 1691:
1.26 kristaps 1692: pp = NULL;
1.86 kristaps 1693: switch (n->tok) {
1.264 schwarze 1694: case MDOC_Bsx:
1.194 schwarze 1695: pp = "BSD/OS";
1.26 kristaps 1696: break;
1.264 schwarze 1697: case MDOC_Dx:
1.100 kristaps 1698: pp = "DragonFly";
1.26 kristaps 1699: break;
1.264 schwarze 1700: case MDOC_Fx:
1.26 kristaps 1701: pp = "FreeBSD";
1702: break;
1.264 schwarze 1703: case MDOC_Nx:
1.26 kristaps 1704: pp = "NetBSD";
1705: break;
1.264 schwarze 1706: case MDOC_Ox:
1.26 kristaps 1707: pp = "OpenBSD";
1708: break;
1.264 schwarze 1709: case MDOC_Ux:
1.26 kristaps 1710: pp = "UNIX";
1711: break;
1712: default:
1.246 schwarze 1713: abort();
1714: /* NOTREACHED */
1.26 kristaps 1715: }
1.1 kristaps 1716:
1.26 kristaps 1717: term_word(p, pp);
1.214 kristaps 1718: if (n->child) {
1.218 schwarze 1719: flags = p->flags;
1.214 kristaps 1720: p->flags |= TERMP_KEEP;
1721: term_word(p, n->child->string);
1.218 schwarze 1722: p->flags = flags;
1.214 kristaps 1723: }
1724: return(0);
1.1 kristaps 1725: }
1726:
1727: static void
1728: termp_pf_post(DECL_ARGS)
1729: {
1730:
1.298 schwarze 1731: if ( ! (n->next == NULL || n->next->flags & MDOC_LINE))
1732: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1733: }
1734:
1735: static int
1736: termp_ss_pre(DECL_ARGS)
1737: {
1738:
1.86 kristaps 1739: switch (n->type) {
1.264 schwarze 1740: case MDOC_BLOCK:
1.1 kristaps 1741: term_newln(p);
1.86 kristaps 1742: if (n->prev)
1.1 kristaps 1743: term_vspace(p);
1744: break;
1.264 schwarze 1745: case MDOC_HEAD:
1.102 kristaps 1746: term_fontpush(p, TERMFONT_BOLD);
1.238 schwarze 1747: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1748: break;
1.274 schwarze 1749: case MDOC_BODY:
1750: p->offset = term_len(p, p->defindent);
1751: break;
1.1 kristaps 1752: default:
1753: break;
1754: }
1755:
1756: return(1);
1757: }
1758:
1759: static void
1760: termp_ss_post(DECL_ARGS)
1761: {
1762:
1.274 schwarze 1763: if (n->type == MDOC_HEAD || n->type == MDOC_BODY)
1.1 kristaps 1764: term_newln(p);
1765: }
1766:
1767: static int
1768: termp_cd_pre(DECL_ARGS)
1769: {
1770:
1.143 kristaps 1771: synopsis_pre(p, n);
1.102 kristaps 1772: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1773: return(1);
1774: }
1775:
1776: static int
1777: termp_in_pre(DECL_ARGS)
1778: {
1.142 schwarze 1779:
1.143 kristaps 1780: synopsis_pre(p, n);
1.1 kristaps 1781:
1.160 kristaps 1782: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138 kristaps 1783: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1784: term_word(p, "#include");
1.138 kristaps 1785: term_word(p, "<");
1786: } else {
1787: term_word(p, "<");
1788: term_fontpush(p, TERMFONT_UNDER);
1789: }
1.22 kristaps 1790:
1.1 kristaps 1791: p->flags |= TERMP_NOSPACE;
1792: return(1);
1793: }
1794:
1795: static void
1796: termp_in_post(DECL_ARGS)
1797: {
1798:
1.160 kristaps 1799: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1800: term_fontpush(p, TERMFONT_BOLD);
1801:
1.79 kristaps 1802: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1803: term_word(p, ">");
1804:
1.160 kristaps 1805: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1806: term_fontpop(p);
1.1 kristaps 1807: }
1808:
1809: static int
1.45 kristaps 1810: termp_sp_pre(DECL_ARGS)
1811: {
1.300 schwarze 1812: struct roffsu su;
1.91 kristaps 1813: size_t i, len;
1.45 kristaps 1814:
1.86 kristaps 1815: switch (n->tok) {
1.264 schwarze 1816: case MDOC_sp:
1.300 schwarze 1817: if (n->child) {
1818: if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
1819: su.scale = 1.0;
1820: len = term_vspan(p, &su);
1821: } else
1822: len = 1;
1.76 kristaps 1823: break;
1.264 schwarze 1824: case MDOC_br:
1.76 kristaps 1825: len = 0;
1826: break;
1827: default:
1828: len = 1;
1829: break;
1.45 kristaps 1830: }
1831:
1832: if (0 == len)
1833: term_newln(p);
1834: for (i = 0; i < len; i++)
1835: term_vspace(p);
1836:
1837: return(0);
1838: }
1839:
1840: static int
1.294 schwarze 1841: termp_skip_pre(DECL_ARGS)
1.268 schwarze 1842: {
1843:
1844: return(0);
1845: }
1846:
1847: static int
1.188 kristaps 1848: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1849: {
1850:
1.203 kristaps 1851: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1852: return(1);
1853:
1.188 kristaps 1854: switch (n->tok) {
1.264 schwarze 1855: case MDOC_Ao:
1.188 kristaps 1856: /* FALLTHROUGH */
1.264 schwarze 1857: case MDOC_Aq:
1.291 schwarze 1858: term_word(p, n->parent->prev != NULL &&
1859: n->parent->prev->tok == MDOC_An ? "<" : "\\(la");
1.188 kristaps 1860: break;
1.264 schwarze 1861: case MDOC_Bro:
1.188 kristaps 1862: /* FALLTHROUGH */
1.264 schwarze 1863: case MDOC_Brq:
1.188 kristaps 1864: term_word(p, "{");
1865: break;
1.264 schwarze 1866: case MDOC_Oo:
1.188 kristaps 1867: /* FALLTHROUGH */
1.264 schwarze 1868: case MDOC_Op:
1.188 kristaps 1869: /* FALLTHROUGH */
1.264 schwarze 1870: case MDOC_Bo:
1.188 kristaps 1871: /* FALLTHROUGH */
1.264 schwarze 1872: case MDOC_Bq:
1.188 kristaps 1873: term_word(p, "[");
1874: break;
1.264 schwarze 1875: case MDOC_Do:
1.188 kristaps 1876: /* FALLTHROUGH */
1.264 schwarze 1877: case MDOC_Dq:
1.249 schwarze 1878: term_word(p, "\\(lq");
1.188 kristaps 1879: break;
1.268 schwarze 1880: case MDOC_En:
1881: if (NULL == n->norm->Es ||
1882: NULL == n->norm->Es->child)
1883: return(1);
1884: term_word(p, n->norm->Es->child->string);
1885: break;
1.264 schwarze 1886: case MDOC_Eo:
1.237 schwarze 1887: break;
1.264 schwarze 1888: case MDOC_Po:
1.188 kristaps 1889: /* FALLTHROUGH */
1.264 schwarze 1890: case MDOC_Pq:
1.188 kristaps 1891: term_word(p, "(");
1892: break;
1.264 schwarze 1893: case MDOC__T:
1.205 kristaps 1894: /* FALLTHROUGH */
1.264 schwarze 1895: case MDOC_Qo:
1.188 kristaps 1896: /* FALLTHROUGH */
1.264 schwarze 1897: case MDOC_Qq:
1.188 kristaps 1898: term_word(p, "\"");
1899: break;
1.264 schwarze 1900: case MDOC_Ql:
1.188 kristaps 1901: /* FALLTHROUGH */
1.264 schwarze 1902: case MDOC_So:
1.188 kristaps 1903: /* FALLTHROUGH */
1.264 schwarze 1904: case MDOC_Sq:
1.249 schwarze 1905: term_word(p, "\\(oq");
1.188 kristaps 1906: break;
1907: default:
1908: abort();
1909: /* NOTREACHED */
1910: }
1.1 kristaps 1911:
1912: p->flags |= TERMP_NOSPACE;
1913: return(1);
1914: }
1915:
1916: static void
1.188 kristaps 1917: termp_quote_post(DECL_ARGS)
1.1 kristaps 1918: {
1919:
1.295 schwarze 1920: if (n->type != MDOC_BODY && n->type != MDOC_ELEM)
1.1 kristaps 1921: return;
1922:
1.295 schwarze 1923: if ( ! (n->tok == MDOC_En ||
1924: (n->tok == MDOC_Eo && n->end == ENDBODY_SPACE)))
1.268 schwarze 1925: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1926:
1.188 kristaps 1927: switch (n->tok) {
1.264 schwarze 1928: case MDOC_Ao:
1.188 kristaps 1929: /* FALLTHROUGH */
1.264 schwarze 1930: case MDOC_Aq:
1.291 schwarze 1931: term_word(p, n->parent->prev != NULL &&
1932: n->parent->prev->tok == MDOC_An ? ">" : "\\(ra");
1.188 kristaps 1933: break;
1.264 schwarze 1934: case MDOC_Bro:
1.188 kristaps 1935: /* FALLTHROUGH */
1.264 schwarze 1936: case MDOC_Brq:
1.188 kristaps 1937: term_word(p, "}");
1938: break;
1.264 schwarze 1939: case MDOC_Oo:
1.188 kristaps 1940: /* FALLTHROUGH */
1.264 schwarze 1941: case MDOC_Op:
1.188 kristaps 1942: /* FALLTHROUGH */
1.264 schwarze 1943: case MDOC_Bo:
1.188 kristaps 1944: /* FALLTHROUGH */
1.264 schwarze 1945: case MDOC_Bq:
1.188 kristaps 1946: term_word(p, "]");
1947: break;
1.264 schwarze 1948: case MDOC_Do:
1.188 kristaps 1949: /* FALLTHROUGH */
1.264 schwarze 1950: case MDOC_Dq:
1.249 schwarze 1951: term_word(p, "\\(rq");
1.268 schwarze 1952: break;
1953: case MDOC_En:
1954: if (NULL != n->norm->Es &&
1955: NULL != n->norm->Es->child &&
1956: NULL != n->norm->Es->child->next) {
1957: p->flags |= TERMP_NOSPACE;
1958: term_word(p, n->norm->Es->child->next->string);
1959: }
1.237 schwarze 1960: break;
1.264 schwarze 1961: case MDOC_Eo:
1.188 kristaps 1962: break;
1.264 schwarze 1963: case MDOC_Po:
1.188 kristaps 1964: /* FALLTHROUGH */
1.264 schwarze 1965: case MDOC_Pq:
1.188 kristaps 1966: term_word(p, ")");
1967: break;
1.264 schwarze 1968: case MDOC__T:
1.205 kristaps 1969: /* FALLTHROUGH */
1.264 schwarze 1970: case MDOC_Qo:
1.188 kristaps 1971: /* FALLTHROUGH */
1.264 schwarze 1972: case MDOC_Qq:
1.188 kristaps 1973: term_word(p, "\"");
1974: break;
1.264 schwarze 1975: case MDOC_Ql:
1.188 kristaps 1976: /* FALLTHROUGH */
1.264 schwarze 1977: case MDOC_So:
1.188 kristaps 1978: /* FALLTHROUGH */
1.264 schwarze 1979: case MDOC_Sq:
1.249 schwarze 1980: term_word(p, "\\(cq");
1.188 kristaps 1981: break;
1982: default:
1983: abort();
1984: /* NOTREACHED */
1985: }
1.1 kristaps 1986: }
1987:
1988: static int
1989: termp_fo_pre(DECL_ARGS)
1990: {
1.257 schwarze 1991: size_t rmargin = 0;
1.256 schwarze 1992: int pretty;
1993:
1994: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1995:
1.141 kristaps 1996: if (MDOC_BLOCK == n->type) {
1.143 kristaps 1997: synopsis_pre(p, n);
1.141 kristaps 1998: return(1);
1999: } else if (MDOC_BODY == n->type) {
1.256 schwarze 2000: if (pretty) {
2001: rmargin = p->rmargin;
1.257 schwarze 2002: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 2003: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
2004: TERMP_HANG;
1.256 schwarze 2005: }
1.33 kristaps 2006: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2007: term_word(p, "(");
1.222 kristaps 2008: p->flags |= TERMP_NOSPACE;
1.256 schwarze 2009: if (pretty) {
2010: term_flushln(p);
1.263 schwarze 2011: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
2012: TERMP_HANG);
1.256 schwarze 2013: p->offset = p->rmargin;
2014: p->rmargin = rmargin;
2015: }
1.1 kristaps 2016: return(1);
1.256 schwarze 2017: }
1.141 kristaps 2018:
1.169 kristaps 2019: if (NULL == n->child)
2020: return(0);
2021:
1.141 kristaps 2022: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2023:
1.141 kristaps 2024: assert(n->child->string);
1.102 kristaps 2025: term_fontpush(p, TERMFONT_BOLD);
1.141 kristaps 2026: term_word(p, n->child->string);
1.1 kristaps 2027: return(0);
2028: }
2029:
2030: static void
2031: termp_fo_post(DECL_ARGS)
2032: {
2033:
1.264 schwarze 2034: if (MDOC_BODY != n->type)
1.143 kristaps 2035: return;
2036:
1.222 kristaps 2037: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2038: term_word(p, ")");
2039:
1.222 kristaps 2040: if (MDOC_SYNPRETTY & n->flags) {
2041: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2042: term_word(p, ";");
1.256 schwarze 2043: term_flushln(p);
1.222 kristaps 2044: }
1.1 kristaps 2045: }
2046:
2047: static int
2048: termp_bf_pre(DECL_ARGS)
2049: {
2050:
1.86 kristaps 2051: if (MDOC_HEAD == n->type)
1.1 kristaps 2052: return(0);
1.244 schwarze 2053: else if (MDOC_BODY != n->type)
1.1 kristaps 2054: return(1);
2055:
1.264 schwarze 2056: if (FONT_Em == n->norm->Bf.font)
1.102 kristaps 2057: term_fontpush(p, TERMFONT_UNDER);
1.264 schwarze 2058: else if (FONT_Sy == n->norm->Bf.font)
1.102 kristaps 2059: term_fontpush(p, TERMFONT_BOLD);
1.264 schwarze 2060: else
1.102 kristaps 2061: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2062:
2063: return(1);
2064: }
2065:
2066: static int
2067: termp_sm_pre(DECL_ARGS)
2068: {
2069:
1.269 schwarze 2070: if (NULL == n->child)
2071: p->flags ^= TERMP_NONOSPACE;
2072: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 2073: p->flags &= ~TERMP_NONOSPACE;
1.269 schwarze 2074: else
1.1 kristaps 2075: p->flags |= TERMP_NONOSPACE;
1.269 schwarze 2076:
2077: if (p->col && ! (TERMP_NONOSPACE & p->flags))
2078: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2079:
2080: return(0);
2081: }
2082:
2083: static int
2084: termp_ap_pre(DECL_ARGS)
2085: {
2086:
2087: p->flags |= TERMP_NOSPACE;
1.188 kristaps 2088: term_word(p, "'");
1.1 kristaps 2089: p->flags |= TERMP_NOSPACE;
2090: return(1);
2091: }
2092:
2093: static void
2094: termp____post(DECL_ARGS)
2095: {
1.184 kristaps 2096:
2097: /*
2098: * Handle lists of authors. In general, print each followed by
2099: * a comma. Don't print the comma if there are only two
2100: * authors.
2101: */
2102: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2103: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2104: if (NULL == n->prev || MDOC__A != n->prev->tok)
2105: return;
1.1 kristaps 2106:
1.95 kristaps 2107: /* TODO: %U. */
2108:
1.187 kristaps 2109: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2110: return;
2111:
1.222 kristaps 2112: p->flags |= TERMP_NOSPACE;
1.186 kristaps 2113: if (NULL == n->next) {
2114: term_word(p, ".");
2115: p->flags |= TERMP_SENTENCE;
2116: } else
2117: term_word(p, ",");
1.1 kristaps 2118: }
2119:
2120: static int
1.102 kristaps 2121: termp_li_pre(DECL_ARGS)
2122: {
2123:
2124: term_fontpush(p, TERMFONT_NONE);
2125: return(1);
2126: }
2127:
2128: static int
1.1 kristaps 2129: termp_lk_pre(DECL_ARGS)
2130: {
1.240 schwarze 2131: const struct mdoc_node *link, *descr;
1.1 kristaps 2132:
1.240 schwarze 2133: if (NULL == (link = n->child))
2134: return(0);
1.181 kristaps 2135:
1.240 schwarze 2136: if (NULL != (descr = link->next)) {
2137: term_fontpush(p, TERMFONT_UNDER);
2138: while (NULL != descr) {
2139: term_word(p, descr->string);
2140: descr = descr->next;
2141: }
2142: p->flags |= TERMP_NOSPACE;
2143: term_word(p, ":");
2144: term_fontpop(p);
2145: }
1.1 kristaps 2146:
1.102 kristaps 2147: term_fontpush(p, TERMFONT_BOLD);
1.240 schwarze 2148: term_word(p, link->string);
1.102 kristaps 2149: term_fontpop(p);
1.12 kristaps 2150:
1.1 kristaps 2151: return(0);
2152: }
2153:
1.159 schwarze 2154: static int
2155: termp_bk_pre(DECL_ARGS)
2156: {
2157:
1.161 schwarze 2158: switch (n->type) {
1.264 schwarze 2159: case MDOC_BLOCK:
1.166 kristaps 2160: break;
1.264 schwarze 2161: case MDOC_HEAD:
1.161 schwarze 2162: return(0);
1.264 schwarze 2163: case MDOC_BODY:
1.200 schwarze 2164: if (n->parent->args || 0 == n->prev->nchild)
2165: p->flags |= TERMP_PREKEEP;
1.166 kristaps 2166: break;
1.161 schwarze 2167: default:
2168: abort();
1.166 kristaps 2169: /* NOTREACHED */
1.161 schwarze 2170: }
1.166 kristaps 2171:
2172: return(1);
1.159 schwarze 2173: }
2174:
2175: static void
2176: termp_bk_post(DECL_ARGS)
2177: {
2178:
1.253 schwarze 2179: if (MDOC_BODY == n->type)
1.161 schwarze 2180: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203 kristaps 2181: }
2182:
2183: static void
2184: termp__t_post(DECL_ARGS)
2185: {
2186:
2187: /*
2188: * If we're in an `Rs' and there's a journal present, then quote
2189: * us instead of underlining us (for disambiguation).
2190: */
1.217 schwarze 2191: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2192: n->parent->norm->Rs.quote_T)
1.245 schwarze 2193: termp_quote_post(p, pair, meta, n);
1.203 kristaps 2194:
1.245 schwarze 2195: termp____post(p, pair, meta, n);
1.203 kristaps 2196: }
2197:
2198: static int
2199: termp__t_pre(DECL_ARGS)
2200: {
2201:
2202: /*
2203: * If we're in an `Rs' and there's a journal present, then quote
2204: * us instead of underlining us (for disambiguation).
2205: */
2206: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2207: n->parent->norm->Rs.quote_T)
1.245 schwarze 2208: return(termp_quote_pre(p, pair, meta, n));
1.203 kristaps 2209:
2210: term_fontpush(p, TERMFONT_UNDER);
2211: return(1);
1.159 schwarze 2212: }
1.1 kristaps 2213:
2214: static int
1.69 kristaps 2215: termp_under_pre(DECL_ARGS)
1.1 kristaps 2216: {
2217:
1.102 kristaps 2218: term_fontpush(p, TERMFONT_UNDER);
1.84 kristaps 2219: return(1);
2220: }
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