Annotation of mandoc/mdoc_term.c, Revision 1.283
1.283 ! schwarze 1: /* $Id: mdoc_term.c,v 1.282 2014/09/17 20:18:58 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>
1.118 kristaps 25: #include <stdint.h>
1.1 kristaps 26: #include <stdio.h>
27: #include <stdlib.h>
28: #include <string.h>
29:
1.125 kristaps 30: #include "mandoc.h"
1.266 schwarze 31: #include "mandoc_aux.h"
1.92 kristaps 32: #include "out.h"
1.1 kristaps 33: #include "term.h"
34: #include "mdoc.h"
1.89 kristaps 35: #include "main.h"
1.1 kristaps 36:
37: struct termpair {
38: struct termpair *ppair;
1.31 kristaps 39: int count;
1.1 kristaps 40: };
41:
1.31 kristaps 42: #define DECL_ARGS struct termp *p, \
43: struct termpair *pair, \
1.264 schwarze 44: const struct mdoc_meta *meta, \
1.244 schwarze 45: struct mdoc_node *n
1.1 kristaps 46:
47: struct termact {
48: int (*pre)(DECL_ARGS);
49: void (*post)(DECL_ARGS);
50: };
51:
1.157 kristaps 52: static size_t a2width(const struct termp *, const char *);
53: static size_t a2height(const struct termp *, const char *);
54: static size_t a2offs(const struct termp *, const char *);
1.96 kristaps 55:
56: static void print_bvspace(struct termp *,
1.151 kristaps 57: const struct mdoc_node *,
1.96 kristaps 58: const struct mdoc_node *);
1.264 schwarze 59: static void print_mdoc_node(DECL_ARGS);
1.145 kristaps 60: static void print_mdoc_nodelist(DECL_ARGS);
1.144 kristaps 61: static void print_mdoc_head(struct termp *, const void *);
1.145 kristaps 62: static void print_mdoc_foot(struct termp *, const void *);
1.264 schwarze 63: static void synopsis_pre(struct termp *,
1.143 kristaps 64: const struct mdoc_node *);
1.96 kristaps 65:
1.31 kristaps 66: static void termp____post(DECL_ARGS);
1.203 kristaps 67: static void termp__t_post(DECL_ARGS);
1.31 kristaps 68: static void termp_bd_post(DECL_ARGS);
1.159 schwarze 69: static void termp_bk_post(DECL_ARGS);
1.31 kristaps 70: static void termp_bl_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);
1.268 schwarze 95: static int termp_es_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);
115: static int termp_sm_pre(DECL_ARGS);
1.45 kristaps 116: static int termp_sp_pre(DECL_ARGS);
1.31 kristaps 117: static int termp_ss_pre(DECL_ARGS);
1.69 kristaps 118: static int termp_under_pre(DECL_ARGS);
1.31 kristaps 119: static int termp_ud_pre(DECL_ARGS);
1.110 kristaps 120: static int termp_vt_pre(DECL_ARGS);
1.31 kristaps 121: static int termp_xr_pre(DECL_ARGS);
122: static int termp_xx_pre(DECL_ARGS);
123:
1.70 kristaps 124: static const struct termact termacts[MDOC_MAX] = {
1.14 kristaps 125: { termp_ap_pre, NULL }, /* Ap */
1.1 kristaps 126: { NULL, NULL }, /* Dd */
127: { NULL, NULL }, /* Dt */
128: { NULL, NULL }, /* Os */
129: { termp_sh_pre, termp_sh_post }, /* Sh */
1.264 schwarze 130: { termp_ss_pre, termp_ss_post }, /* Ss */
131: { termp_sp_pre, NULL }, /* Pp */
1.241 schwarze 132: { termp_d1_pre, termp_bl_post }, /* D1 */
133: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 134: { termp_bd_pre, termp_bd_post }, /* Bd */
135: { NULL, NULL }, /* Ed */
1.115 kristaps 136: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 137: { NULL, NULL }, /* El */
138: { termp_it_pre, termp_it_post }, /* It */
1.264 schwarze 139: { termp_under_pre, NULL }, /* Ad */
1.282 schwarze 140: { termp_an_pre, NULL }, /* An */
1.69 kristaps 141: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 142: { termp_cd_pre, NULL }, /* Cd */
1.69 kristaps 143: { termp_bold_pre, NULL }, /* Cm */
1.264 schwarze 144: { NULL, NULL }, /* Dv */
145: { NULL, NULL }, /* Er */
146: { NULL, NULL }, /* Ev */
1.1 kristaps 147: { termp_ex_pre, NULL }, /* Ex */
1.264 schwarze 148: { termp_fa_pre, NULL }, /* Fa */
149: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 150: { termp_fl_pre, NULL }, /* Fl */
1.264 schwarze 151: { termp_fn_pre, NULL }, /* Fn */
152: { termp_ft_pre, NULL }, /* Ft */
153: { termp_bold_pre, NULL }, /* Ic */
154: { termp_in_pre, termp_in_post }, /* In */
1.102 kristaps 155: { termp_li_pre, NULL }, /* Li */
1.264 schwarze 156: { termp_nd_pre, NULL }, /* Nd */
157: { termp_nm_pre, termp_nm_post }, /* Nm */
1.188 kristaps 158: { termp_quote_pre, termp_quote_post }, /* Op */
1.268 schwarze 159: { termp_ft_pre, NULL }, /* Ot */
1.69 kristaps 160: { termp_under_pre, NULL }, /* Pa */
1.1 kristaps 161: { termp_rv_pre, NULL }, /* Rv */
1.264 schwarze 162: { NULL, NULL }, /* St */
1.69 kristaps 163: { termp_under_pre, NULL }, /* Va */
1.143 kristaps 164: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 165: { termp_xr_pre, NULL }, /* Xr */
1.184 kristaps 166: { termp__a_pre, termp____post }, /* %A */
1.84 kristaps 167: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 168: { NULL, termp____post }, /* %D */
1.84 kristaps 169: { termp_under_pre, termp____post }, /* %I */
1.69 kristaps 170: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 171: { NULL, termp____post }, /* %N */
172: { NULL, termp____post }, /* %O */
173: { NULL, termp____post }, /* %P */
174: { NULL, termp____post }, /* %R */
1.203 kristaps 175: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 176: { NULL, termp____post }, /* %V */
177: { NULL, NULL }, /* Ac */
1.188 kristaps 178: { termp_quote_pre, termp_quote_post }, /* Ao */
179: { termp_quote_pre, termp_quote_post }, /* Aq */
1.35 kristaps 180: { NULL, NULL }, /* At */
1.1 kristaps 181: { NULL, NULL }, /* Bc */
1.264 schwarze 182: { termp_bf_pre, NULL }, /* Bf */
1.188 kristaps 183: { termp_quote_pre, termp_quote_post }, /* Bo */
184: { termp_quote_pre, termp_quote_post }, /* Bq */
1.26 kristaps 185: { termp_xx_pre, NULL }, /* Bsx */
1.211 kristaps 186: { termp_bx_pre, NULL }, /* Bx */
1.1 kristaps 187: { NULL, NULL }, /* Db */
188: { NULL, NULL }, /* Dc */
1.188 kristaps 189: { termp_quote_pre, termp_quote_post }, /* Do */
190: { termp_quote_pre, termp_quote_post }, /* Dq */
1.112 kristaps 191: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 192: { NULL, NULL }, /* Ef */
1.264 schwarze 193: { termp_under_pre, NULL }, /* Em */
1.237 schwarze 194: { termp_quote_pre, termp_quote_post }, /* Eo */
1.26 kristaps 195: { termp_xx_pre, NULL }, /* Fx */
1.176 kristaps 196: { termp_bold_pre, NULL }, /* Ms */
1.254 schwarze 197: { NULL, NULL }, /* No */
1.1 kristaps 198: { termp_ns_pre, NULL }, /* Ns */
1.26 kristaps 199: { termp_xx_pre, NULL }, /* Nx */
200: { termp_xx_pre, NULL }, /* Ox */
1.1 kristaps 201: { NULL, NULL }, /* Pc */
1.254 schwarze 202: { NULL, termp_pf_post }, /* Pf */
1.188 kristaps 203: { termp_quote_pre, termp_quote_post }, /* Po */
204: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 205: { NULL, NULL }, /* Qc */
1.188 kristaps 206: { termp_quote_pre, termp_quote_post }, /* Ql */
207: { termp_quote_pre, termp_quote_post }, /* Qo */
208: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 209: { NULL, NULL }, /* Re */
210: { termp_rs_pre, NULL }, /* Rs */
211: { NULL, NULL }, /* Sc */
1.188 kristaps 212: { termp_quote_pre, termp_quote_post }, /* So */
213: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 214: { termp_sm_pre, NULL }, /* Sm */
1.69 kristaps 215: { termp_under_pre, NULL }, /* Sx */
216: { termp_bold_pre, NULL }, /* Sy */
1.1 kristaps 217: { NULL, NULL }, /* Tn */
1.26 kristaps 218: { termp_xx_pre, NULL }, /* Ux */
1.1 kristaps 219: { NULL, NULL }, /* Xc */
220: { NULL, NULL }, /* Xo */
1.264 schwarze 221: { termp_fo_pre, termp_fo_post }, /* Fo */
222: { NULL, NULL }, /* Fc */
1.188 kristaps 223: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 224: { NULL, NULL }, /* Oc */
1.159 schwarze 225: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 226: { NULL, NULL }, /* Ek */
227: { termp_bt_pre, NULL }, /* Bt */
228: { NULL, NULL }, /* Hf */
1.268 schwarze 229: { termp_under_pre, NULL }, /* Fr */
1.1 kristaps 230: { termp_ud_pre, NULL }, /* Ud */
1.37 kristaps 231: { NULL, termp_lb_post }, /* Lb */
1.264 schwarze 232: { termp_sp_pre, NULL }, /* Lp */
233: { termp_lk_pre, NULL }, /* Lk */
234: { termp_under_pre, NULL }, /* Mt */
235: { termp_quote_pre, termp_quote_post }, /* Brq */
236: { termp_quote_pre, termp_quote_post }, /* Bro */
237: { NULL, NULL }, /* Brc */
238: { NULL, termp____post }, /* %C */
1.268 schwarze 239: { termp_es_pre, NULL }, /* Es */
240: { termp_quote_pre, termp_quote_post }, /* En */
1.264 schwarze 241: { termp_xx_pre, NULL }, /* Dx */
242: { NULL, termp____post }, /* %Q */
1.76 kristaps 243: { termp_sp_pre, NULL }, /* br */
1.264 schwarze 244: { termp_sp_pre, NULL }, /* sp */
245: { NULL, termp____post }, /* %U */
246: { NULL, NULL }, /* Ta */
1.260 schwarze 247: { termp_ll_pre, NULL }, /* ll */
1.1 kristaps 248: };
249:
250:
1.70 kristaps 251: void
1.89 kristaps 252: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1 kristaps 253: {
1.245 schwarze 254: const struct mdoc_meta *meta;
1.281 schwarze 255: struct mdoc_node *n;
1.89 kristaps 256: struct termp *p;
257:
258: p = (struct termp *)arg;
1.111 kristaps 259:
260: p->overstep = 0;
1.281 schwarze 261: p->rmargin = p->maxrmargin = p->defrmargin;
1.157 kristaps 262: p->tabwidth = term_len(p, 5);
1.89 kristaps 263:
264: if (NULL == p->symtab)
1.230 kristaps 265: p->symtab = mchars_alloc();
1.70 kristaps 266:
1.281 schwarze 267: n = mdoc_node(mdoc)->child;
1.245 schwarze 268: meta = mdoc_meta(mdoc);
1.146 schwarze 269:
1.281 schwarze 270: if (p->synopsisonly) {
271: while (n != NULL) {
272: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
273: if (n->child->next->child != NULL)
274: print_mdoc_nodelist(p, NULL,
275: meta, n->child->next->child);
276: term_newln(p);
277: break;
278: }
279: n = n->next;
280: }
281: } else {
282: if (p->defindent == 0)
283: p->defindent = 5;
284: term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
285: if (n != NULL) {
286: if (n->tok != MDOC_Sh)
287: term_vspace(p);
288: print_mdoc_nodelist(p, NULL, meta, n);
289: }
290: term_end(p);
1.271 schwarze 291: }
1.1 kristaps 292: }
293:
1.3 kristaps 294: static void
1.102 kristaps 295: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 296: {
297:
1.245 schwarze 298: print_mdoc_node(p, pair, meta, n);
1.86 kristaps 299: if (n->next)
1.245 schwarze 300: print_mdoc_nodelist(p, pair, meta, n->next);
1.1 kristaps 301: }
302:
1.3 kristaps 303: static void
1.102 kristaps 304: print_mdoc_node(DECL_ARGS)
1.1 kristaps 305: {
1.102 kristaps 306: int chld;
1.1 kristaps 307: struct termpair npair;
1.30 kristaps 308: size_t offset, rmargin;
1.1 kristaps 309:
1.70 kristaps 310: chld = 1;
1.29 kristaps 311: offset = p->offset;
1.30 kristaps 312: rmargin = p->rmargin;
1.244 schwarze 313: n->prev_font = term_fontq(p);
1.29 kristaps 314:
1.97 kristaps 315: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 316: npair.ppair = pair;
1.172 kristaps 317:
318: /*
319: * Keeps only work until the end of a line. If a keep was
320: * invoked in a prior line, revert it to PREKEEP.
321: */
322:
1.253 schwarze 323: if (TERMP_KEEP & p->flags) {
1.252 schwarze 324: if (n->prev ? (n->prev->lastline != n->line) :
1.248 schwarze 325: (n->parent && n->parent->line != n->line)) {
1.172 kristaps 326: p->flags &= ~TERMP_KEEP;
327: p->flags |= TERMP_PREKEEP;
328: }
329: }
1.197 schwarze 330:
331: /*
1.217 schwarze 332: * After the keep flags have been set up, we may now
333: * produce output. Note that some pre-handlers do so.
334: */
335:
336: switch (n->type) {
1.264 schwarze 337: case MDOC_TEXT:
1.217 schwarze 338: if (' ' == *n->string && MDOC_LINE & n->flags)
339: term_newln(p);
1.222 kristaps 340: if (MDOC_DELIMC & n->flags)
341: p->flags |= TERMP_NOSPACE;
1.217 schwarze 342: term_word(p, n->string);
1.222 kristaps 343: if (MDOC_DELIMO & n->flags)
344: p->flags |= TERMP_NOSPACE;
1.217 schwarze 345: break;
1.264 schwarze 346: case MDOC_EQN:
1.233 kristaps 347: term_eqn(p, n->eqn);
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:
353: if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
354: chld = (*termacts[n->tok].pre)
1.245 schwarze 355: (p, &npair, meta, n);
1.217 schwarze 356: break;
357: }
358:
1.86 kristaps 359: if (chld && n->child)
1.245 schwarze 360: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 361:
1.244 schwarze 362: term_fontpopq(p,
363: (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.46 kristaps 364:
1.206 kristaps 365: switch (n->type) {
1.264 schwarze 366: case MDOC_TEXT:
1.206 kristaps 367: break;
1.264 schwarze 368: case MDOC_TBL:
1.216 kristaps 369: break;
1.264 schwarze 370: case MDOC_EQN:
1.206 kristaps 371: break;
372: default:
373: if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
374: break;
1.245 schwarze 375: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162 schwarze 376:
377: /*
378: * Explicit end tokens not only call the post
379: * handler, but also tell the respective block
380: * that it must not call the post handler again.
381: */
1.165 kristaps 382: if (ENDBODY_NOT != n->end)
1.162 schwarze 383: n->pending->flags |= MDOC_ENDED;
384:
385: /*
386: * End of line terminating an implicit block
387: * while an explicit block is still open.
388: * Continue the explicit block without spacing.
389: */
390: if (ENDBODY_NOSPACE == n->end)
391: p->flags |= TERMP_NOSPACE;
1.206 kristaps 392: break;
1.162 schwarze 393: }
1.121 kristaps 394:
395: if (MDOC_EOS & n->flags)
396: p->flags |= TERMP_SENTENCE;
1.29 kristaps 397:
1.260 schwarze 398: if (MDOC_ll != n->tok) {
399: p->offset = offset;
400: p->rmargin = rmargin;
401: }
1.1 kristaps 402: }
403:
1.3 kristaps 404: static void
1.145 kristaps 405: print_mdoc_foot(struct termp *p, const void *arg)
1.1 kristaps 406: {
1.245 schwarze 407: const struct mdoc_meta *meta;
1.144 kristaps 408:
1.245 schwarze 409: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 410:
1.102 kristaps 411: term_fontrepl(p, TERMFONT_NONE);
1.101 kristaps 412:
1.264 schwarze 413: /*
1.9 kristaps 414: * Output the footer in new-groff style, that is, three columns
415: * with the middle being the manual date and flanking columns
416: * being the operating system:
417: *
418: * SYSTEM DATE SYSTEM
419: */
420:
1.1 kristaps 421: term_vspace(p);
422:
1.9 kristaps 423: p->offset = 0;
1.264 schwarze 424: p->rmargin = (p->maxrmargin -
425: term_strlen(p, meta->date) + term_len(p, 1)) / 2;
1.250 schwarze 426: p->trailspace = 1;
1.1 kristaps 427: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
428:
1.245 schwarze 429: term_word(p, meta->os);
1.1 kristaps 430: term_flushln(p);
431:
1.9 kristaps 432: p->offset = p->rmargin;
1.245 schwarze 433: p->rmargin = p->maxrmargin - term_strlen(p, meta->os);
1.234 schwarze 434: p->flags |= TERMP_NOSPACE;
1.9 kristaps 435:
1.245 schwarze 436: term_word(p, meta->date);
1.9 kristaps 437: term_flushln(p);
438:
1.1 kristaps 439: p->offset = p->rmargin;
440: p->rmargin = p->maxrmargin;
1.250 schwarze 441: p->trailspace = 0;
1.1 kristaps 442: p->flags &= ~TERMP_NOBREAK;
1.234 schwarze 443: p->flags |= TERMP_NOSPACE;
1.1 kristaps 444:
1.245 schwarze 445: term_word(p, meta->os);
1.1 kristaps 446: term_flushln(p);
447:
1.9 kristaps 448: p->offset = 0;
449: p->rmargin = p->maxrmargin;
450: p->flags = 0;
1.1 kristaps 451: }
452:
1.3 kristaps 453: static void
1.144 kristaps 454: print_mdoc_head(struct termp *p, const void *arg)
1.1 kristaps 455: {
1.266 schwarze 456: const struct mdoc_meta *meta;
1.267 schwarze 457: char *volume, *title;
458: size_t vollen, titlen;
1.144 kristaps 459:
1.245 schwarze 460: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 461:
462: /*
463: * The header is strange. It has three components, which are
464: * really two with the first duplicated. It goes like this:
465: *
466: * IDENTIFIER TITLE IDENTIFIER
467: *
468: * The IDENTIFIER is NAME(SECTION), which is the command-name
469: * (if given, or "unknown" if not) followed by the manual page
470: * section. These are given in `Dt'. The TITLE is a free-form
471: * string depending on the manual volume. If not specified, it
472: * switches on the manual section.
473: */
1.235 schwarze 474:
1.245 schwarze 475: assert(meta->vol);
1.267 schwarze 476: if (NULL == meta->arch)
477: volume = mandoc_strdup(meta->vol);
478: else
479: mandoc_asprintf(&volume, "%s (%s)",
480: meta->vol, meta->arch);
481: vollen = term_strlen(p, volume);
1.1 kristaps 482:
1.275 schwarze 483: if (NULL == meta->msec)
484: title = mandoc_strdup(meta->title);
485: else
486: mandoc_asprintf(&title, "%s(%s)",
487: meta->title, meta->msec);
1.235 schwarze 488: titlen = term_strlen(p, title);
1.1 kristaps 489:
1.235 schwarze 490: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250 schwarze 491: p->trailspace = 1;
1.1 kristaps 492: p->offset = 0;
1.267 schwarze 493: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
494: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
495: p->maxrmargin - vollen;
1.1 kristaps 496:
497: term_word(p, title);
498: term_flushln(p);
499:
1.235 schwarze 500: p->flags |= TERMP_NOSPACE;
1.1 kristaps 501: p->offset = p->rmargin;
1.267 schwarze 502: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235 schwarze 503: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 504:
1.267 schwarze 505: term_word(p, volume);
1.1 kristaps 506: term_flushln(p);
507:
508: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 509: p->trailspace = 0;
1.235 schwarze 510: if (p->rmargin + titlen <= p->maxrmargin) {
511: p->flags |= TERMP_NOSPACE;
512: p->offset = p->rmargin;
513: p->rmargin = p->maxrmargin;
514: term_word(p, title);
515: term_flushln(p);
516: }
1.1 kristaps 517:
1.235 schwarze 518: p->flags &= ~TERMP_NOSPACE;
1.9 kristaps 519: p->offset = 0;
1.1 kristaps 520: p->rmargin = p->maxrmargin;
1.266 schwarze 521: free(title);
1.267 schwarze 522: free(volume);
1.1 kristaps 523: }
524:
525: static size_t
1.157 kristaps 526: a2height(const struct termp *p, const char *v)
1.1 kristaps 527: {
1.92 kristaps 528: struct roffsu su;
1.91 kristaps 529:
1.231 kristaps 530:
1.157 kristaps 531: assert(v);
532: if ( ! a2roffsu(v, &su, SCALE_VS))
1.231 kristaps 533: SCALE_VS_INIT(&su, atoi(v));
1.91 kristaps 534:
1.157 kristaps 535: return(term_vspan(p, &su));
1.91 kristaps 536: }
1.1 kristaps 537:
1.91 kristaps 538: static size_t
1.157 kristaps 539: a2width(const struct termp *p, const char *v)
1.91 kristaps 540: {
1.92 kristaps 541: struct roffsu su;
1.1 kristaps 542:
1.154 kristaps 543: assert(v);
1.283 ! schwarze 544: if ( ! a2roffsu(v, &su, SCALE_MAX)) {
1.157 kristaps 545: SCALE_HS_INIT(&su, term_strlen(p, v));
1.283 ! schwarze 546: su.scale /= term_strlen(p, "0");
! 547: }
1.1 kristaps 548:
1.157 kristaps 549: return(term_hspan(p, &su));
1.1 kristaps 550: }
551:
552: static size_t
1.157 kristaps 553: a2offs(const struct termp *p, const char *v)
1.1 kristaps 554: {
1.92 kristaps 555: struct roffsu su;
1.1 kristaps 556:
1.148 kristaps 557: if ('\0' == *v)
1.91 kristaps 558: return(0);
1.148 kristaps 559: else if (0 == strcmp(v, "left"))
1.19 kristaps 560: return(0);
1.148 kristaps 561: else if (0 == strcmp(v, "indent"))
1.238 schwarze 562: return(term_len(p, p->defindent + 1));
1.148 kristaps 563: else if (0 == strcmp(v, "indent-two"))
1.238 schwarze 564: return(term_len(p, (p->defindent + 1) * 2));
1.283 ! schwarze 565: else if ( ! a2roffsu(v, &su, SCALE_MAX)) {
1.157 kristaps 566: SCALE_HS_INIT(&su, term_strlen(p, v));
1.283 ! schwarze 567: su.scale /= term_strlen(p, "0");
! 568: }
1.10 kristaps 569:
1.157 kristaps 570: return(term_hspan(p, &su));
1.1 kristaps 571: }
572:
1.108 kristaps 573: /*
574: * Determine how much space to print out before block elements of `It'
575: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
576: * too.
577: */
1.54 kristaps 578: static void
1.264 schwarze 579: print_bvspace(struct termp *p,
580: const struct mdoc_node *bl,
581: const struct mdoc_node *n)
1.1 kristaps 582: {
1.86 kristaps 583: const struct mdoc_node *nn;
1.236 schwarze 584:
585: assert(n);
1.1 kristaps 586:
587: term_newln(p);
1.150 kristaps 588:
1.202 kristaps 589: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150 kristaps 590: return;
1.202 kristaps 591: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54 kristaps 592: return;
593:
1.85 kristaps 594: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 595:
1.86 kristaps 596: for (nn = n; nn; nn = nn->parent) {
597: if (MDOC_BLOCK != nn->type)
1.1 kristaps 598: continue;
1.86 kristaps 599: if (MDOC_Ss == nn->tok)
1.54 kristaps 600: return;
1.86 kristaps 601: if (MDOC_Sh == nn->tok)
1.54 kristaps 602: return;
1.86 kristaps 603: if (NULL == nn->prev)
1.1 kristaps 604: continue;
605: break;
606: }
607:
1.85 kristaps 608: /* A `-column' does not assert vspace within the list. */
1.54 kristaps 609:
1.202 kristaps 610: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86 kristaps 611: if (n->prev && MDOC_It == n->prev->tok)
1.54 kristaps 612: return;
613:
1.85 kristaps 614: /* A `-diag' without body does not vspace. */
615:
1.202 kristaps 616: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86 kristaps 617: if (n->prev && MDOC_It == n->prev->tok) {
618: assert(n->prev->body);
619: if (NULL == n->prev->body->child)
1.55 kristaps 620: return;
621: }
622:
1.54 kristaps 623: term_vspace(p);
1.260 schwarze 624: }
625:
626:
627: static int
628: termp_ll_pre(DECL_ARGS)
629: {
630:
1.261 schwarze 631: term_setwidth(p, n->nchild ? n->child->string : NULL);
1.260 schwarze 632: return(0);
1.1 kristaps 633: }
634:
635: static int
636: termp_it_pre(DECL_ARGS)
637: {
1.86 kristaps 638: const struct mdoc_node *bl, *nn;
1.265 schwarze 639: char buf[24];
1.264 schwarze 640: int i;
641: size_t width, offset, ncols, dcol;
1.126 kristaps 642: enum mdoc_list type;
1.1 kristaps 643:
1.86 kristaps 644: if (MDOC_BLOCK == n->type) {
1.151 kristaps 645: print_bvspace(p, n->parent->parent, n);
1.54 kristaps 646: return(1);
647: }
1.1 kristaps 648:
1.86 kristaps 649: bl = n->parent->parent->parent;
1.202 kristaps 650: type = bl->norm->Bl.type;
1.1 kristaps 651:
1.264 schwarze 652: /*
1.108 kristaps 653: * First calculate width and offset. This is pretty easy unless
654: * we're a -column list, in which case all prior columns must
655: * be accounted for.
656: */
657:
658: width = offset = 0;
659:
1.202 kristaps 660: if (bl->norm->Bl.offs)
661: offset = a2offs(p, bl->norm->Bl.offs);
1.152 kristaps 662:
1.1 kristaps 663: switch (type) {
1.264 schwarze 664: case LIST_column:
1.134 kristaps 665: if (MDOC_HEAD == n->type)
1.1 kristaps 666: break;
1.155 kristaps 667:
1.105 kristaps 668: /*
1.108 kristaps 669: * Imitate groff's column handling:
670: * - For each earlier column, add its width.
671: * - For less than 5 columns, add four more blanks per
672: * column.
673: * - For exactly 5 columns, add three more blank per
674: * column.
675: * - For more than 5 columns, add only one column.
1.105 kristaps 676: */
1.202 kristaps 677: ncols = bl->norm->Bl.ncols;
1.264 schwarze 678: dcol = ncols < 5 ? term_len(p, 4) :
679: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108 kristaps 680:
1.134 kristaps 681: /*
682: * Calculate the offset by applying all prior MDOC_BODY,
683: * so we stop at the MDOC_HEAD (NULL == nn->prev).
684: */
685:
1.264 schwarze 686: for (i = 0, nn = n->prev;
687: nn->prev && i < (int)ncols;
688: nn = nn->prev, i++)
689: offset += dcol + a2width(p,
690: bl->norm->Bl.cols[i]);
1.105 kristaps 691:
692: /*
1.108 kristaps 693: * When exceeding the declared number of columns, leave
694: * the remaining widths at 0. This will later be
695: * adjusted to the default width of 10, or, for the last
696: * column, stretched to the right margin.
1.58 kristaps 697: */
1.108 kristaps 698: if (i >= (int)ncols)
699: break;
1.58 kristaps 700:
1.105 kristaps 701: /*
1.108 kristaps 702: * Use the declared column widths, extended as explained
703: * in the preceding paragraph.
1.105 kristaps 704: */
1.202 kristaps 705: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 706: break;
707: default:
1.202 kristaps 708: if (NULL == bl->norm->Bl.width)
1.108 kristaps 709: break;
710:
1.264 schwarze 711: /*
1.108 kristaps 712: * Note: buffer the width by 2, which is groff's magic
713: * number for buffering single arguments. See the above
714: * handling for column for how this changes.
715: */
1.202 kristaps 716: assert(bl->norm->Bl.width);
717: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1 kristaps 718: break;
719: }
720:
1.264 schwarze 721: /*
1.1 kristaps 722: * List-type can override the width in the case of fixed-head
723: * values (bullet, dash/hyphen, enum). Tags need a non-zero
1.67 kristaps 724: * offset.
1.1 kristaps 725: */
726:
727: switch (type) {
1.264 schwarze 728: case LIST_bullet:
1.1 kristaps 729: /* FALLTHROUGH */
1.264 schwarze 730: case LIST_dash:
1.1 kristaps 731: /* FALLTHROUGH */
1.264 schwarze 732: case LIST_hyphen:
1.242 schwarze 733: /* FALLTHROUGH */
1.264 schwarze 734: case LIST_enum:
1.242 schwarze 735: if (width < term_len(p, 2))
736: width = term_len(p, 2);
1.17 kristaps 737: break;
1.264 schwarze 738: case LIST_hang:
1.39 kristaps 739: if (0 == width)
1.157 kristaps 740: width = term_len(p, 8);
1.39 kristaps 741: break;
1.264 schwarze 742: case LIST_column:
1.49 kristaps 743: /* FALLTHROUGH */
1.264 schwarze 744: case LIST_tag:
1.1 kristaps 745: if (0 == width)
1.157 kristaps 746: width = term_len(p, 10);
1.1 kristaps 747: break;
748: default:
749: break;
750: }
751:
1.264 schwarze 752: /*
1.17 kristaps 753: * Whitespace control. Inset bodies need an initial space,
754: * while diagonal bodies need two.
1.1 kristaps 755: */
756:
1.51 kristaps 757: p->flags |= TERMP_NOSPACE;
758:
1.1 kristaps 759: switch (type) {
1.264 schwarze 760: case LIST_diag:
1.86 kristaps 761: if (MDOC_BODY == n->type)
1.62 kristaps 762: term_word(p, "\\ \\ ");
1.51 kristaps 763: break;
1.264 schwarze 764: case LIST_inset:
1.270 schwarze 765: if (MDOC_BODY == n->type && n->parent->head->nchild)
1.51 kristaps 766: term_word(p, "\\ ");
1.1 kristaps 767: break;
768: default:
769: break;
770: }
771:
1.51 kristaps 772: p->flags |= TERMP_NOSPACE;
773:
1.1 kristaps 774: switch (type) {
1.264 schwarze 775: case LIST_diag:
1.86 kristaps 776: if (MDOC_HEAD == n->type)
1.102 kristaps 777: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 778: break;
779: default:
780: break;
781: }
782:
783: /*
1.109 kristaps 784: * Pad and break control. This is the tricky part. These flags
785: * are documented in term_flushln() in term.c. Note that we're
786: * going to unset all of these flags in termp_it_post() when we
787: * exit.
1.1 kristaps 788: */
789:
790: switch (type) {
1.264 schwarze 791: case LIST_enum:
1.242 schwarze 792: /*
793: * Weird special case.
794: * Very narrow enum lists actually hang.
795: */
796: if (width == term_len(p, 2))
797: p->flags |= TERMP_HANG;
798: /* FALLTHROUGH */
1.264 schwarze 799: case LIST_bullet:
1.1 kristaps 800: /* FALLTHROUGH */
1.264 schwarze 801: case LIST_dash:
1.1 kristaps 802: /* FALLTHROUGH */
1.264 schwarze 803: case LIST_hyphen:
1.250 schwarze 804: if (MDOC_HEAD != n->type)
805: break;
806: p->flags |= TERMP_NOBREAK;
807: p->trailspace = 1;
1.39 kristaps 808: break;
1.264 schwarze 809: case LIST_hang:
1.250 schwarze 810: if (MDOC_HEAD != n->type)
1.59 kristaps 811: break;
812:
813: /*
814: * This is ugly. If `-hang' is specified and the body
815: * is a `Bl' or `Bd', then we want basically to nullify
816: * the "overstep" effect in term_flushln() and treat
817: * this as a `-ohang' list instead.
818: */
1.279 schwarze 819: if (NULL != n->next &&
1.278 schwarze 820: NULL != n->next->child &&
821: (MDOC_Bl == n->next->child->tok ||
822: MDOC_Bd == n->next->child->tok))
1.250 schwarze 823: break;
824:
1.263 schwarze 825: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250 schwarze 826: p->trailspace = 1;
1.39 kristaps 827: break;
1.264 schwarze 828: case LIST_tag:
1.86 kristaps 829: if (MDOC_HEAD != n->type)
1.39 kristaps 830: break;
1.250 schwarze 831:
1.263 schwarze 832: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 833: p->trailspace = 2;
834:
1.86 kristaps 835: if (NULL == n->next || NULL == n->next->child)
1.39 kristaps 836: p->flags |= TERMP_DANGLE;
1.1 kristaps 837: break;
1.264 schwarze 838: case LIST_column:
1.134 kristaps 839: if (MDOC_HEAD == n->type)
840: break;
841:
1.250 schwarze 842: if (NULL == n->next) {
1.134 kristaps 843: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 844: p->trailspace = 0;
845: } else {
1.134 kristaps 846: p->flags |= TERMP_NOBREAK;
1.250 schwarze 847: p->trailspace = 1;
848: }
1.134 kristaps 849:
1.1 kristaps 850: break;
1.264 schwarze 851: case LIST_diag:
1.250 schwarze 852: if (MDOC_HEAD != n->type)
853: break;
1.263 schwarze 854: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 855: p->trailspace = 1;
1.1 kristaps 856: break;
857: default:
858: break;
859: }
860:
1.264 schwarze 861: /*
1.1 kristaps 862: * Margin control. Set-head-width lists have their right
863: * margins shortened. The body for these lists has the offset
864: * necessarily lengthened. Everybody gets the offset.
865: */
866:
867: p->offset += offset;
868:
869: switch (type) {
1.264 schwarze 870: case LIST_hang:
1.59 kristaps 871: /*
872: * Same stipulation as above, regarding `-hang'. We
873: * don't want to recalculate rmargin and offsets when
874: * using `Bd' or `Bl' within `-hang' overstep lists.
875: */
1.279 schwarze 876: if (MDOC_HEAD == n->type &&
877: NULL != n->next &&
1.278 schwarze 878: NULL != n->next->child &&
879: (MDOC_Bl == n->next->child->tok ||
880: MDOC_Bd == n->next->child->tok))
1.59 kristaps 881: break;
882: /* FALLTHROUGH */
1.264 schwarze 883: case LIST_bullet:
1.1 kristaps 884: /* FALLTHROUGH */
1.264 schwarze 885: case LIST_dash:
1.1 kristaps 886: /* FALLTHROUGH */
1.264 schwarze 887: case LIST_enum:
1.1 kristaps 888: /* FALLTHROUGH */
1.264 schwarze 889: case LIST_hyphen:
1.1 kristaps 890: /* FALLTHROUGH */
1.264 schwarze 891: case LIST_tag:
1.49 kristaps 892: assert(width);
1.86 kristaps 893: if (MDOC_HEAD == n->type)
1.1 kristaps 894: p->rmargin = p->offset + width;
1.259 schwarze 895: else {
1.1 kristaps 896: p->offset += width;
1.259 schwarze 897: if (p->rmargin < p->offset)
898: p->rmargin = p->offset;
899: }
1.1 kristaps 900: break;
1.264 schwarze 901: case LIST_column:
1.49 kristaps 902: assert(width);
1.1 kristaps 903: p->rmargin = p->offset + width;
1.264 schwarze 904: /*
1.50 kristaps 905: * XXX - this behaviour is not documented: the
906: * right-most column is filled to the right margin.
907: */
1.134 kristaps 908: if (MDOC_HEAD == n->type)
909: break;
910: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50 kristaps 911: p->rmargin = p->maxrmargin;
1.1 kristaps 912: break;
913: default:
914: break;
915: }
916:
1.264 schwarze 917: /*
1.1 kristaps 918: * The dash, hyphen, bullet and enum lists all have a special
1.264 schwarze 919: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 920: */
921:
1.86 kristaps 922: if (MDOC_HEAD == n->type)
1.1 kristaps 923: switch (type) {
1.264 schwarze 924: case LIST_bullet:
1.102 kristaps 925: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 926: term_word(p, "\\[bu]");
1.102 kristaps 927: term_fontpop(p);
1.1 kristaps 928: break;
1.264 schwarze 929: case LIST_dash:
1.1 kristaps 930: /* FALLTHROUGH */
1.264 schwarze 931: case LIST_hyphen:
1.102 kristaps 932: term_fontpush(p, TERMFONT_BOLD);
1.27 kristaps 933: term_word(p, "\\(hy");
1.102 kristaps 934: term_fontpop(p);
1.1 kristaps 935: break;
1.264 schwarze 936: case LIST_enum:
1.1 kristaps 937: (pair->ppair->ppair->count)++;
1.265 schwarze 938: (void)snprintf(buf, sizeof(buf), "%d.",
1.264 schwarze 939: pair->ppair->ppair->count);
1.1 kristaps 940: term_word(p, buf);
941: break;
942: default:
943: break;
944: }
945:
1.264 schwarze 946: /*
1.1 kristaps 947: * If we're not going to process our children, indicate so here.
948: */
949:
950: switch (type) {
1.264 schwarze 951: case LIST_bullet:
1.1 kristaps 952: /* FALLTHROUGH */
1.264 schwarze 953: case LIST_item:
1.1 kristaps 954: /* FALLTHROUGH */
1.264 schwarze 955: case LIST_dash:
1.1 kristaps 956: /* FALLTHROUGH */
1.264 schwarze 957: case LIST_hyphen:
1.1 kristaps 958: /* FALLTHROUGH */
1.264 schwarze 959: case LIST_enum:
1.86 kristaps 960: if (MDOC_HEAD == n->type)
1.1 kristaps 961: return(0);
962: break;
1.264 schwarze 963: case LIST_column:
1.134 kristaps 964: if (MDOC_HEAD == n->type)
1.1 kristaps 965: return(0);
966: break;
967: default:
968: break;
969: }
970:
971: return(1);
972: }
973:
974: static void
975: termp_it_post(DECL_ARGS)
976: {
1.126 kristaps 977: enum mdoc_list type;
1.1 kristaps 978:
1.109 kristaps 979: if (MDOC_BLOCK == n->type)
1.1 kristaps 980: return;
981:
1.202 kristaps 982: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 983:
984: switch (type) {
1.264 schwarze 985: case LIST_item:
1.1 kristaps 986: /* FALLTHROUGH */
1.264 schwarze 987: case LIST_diag:
1.53 kristaps 988: /* FALLTHROUGH */
1.264 schwarze 989: case LIST_inset:
1.86 kristaps 990: if (MDOC_BODY == n->type)
1.130 schwarze 991: term_newln(p);
1.1 kristaps 992: break;
1.264 schwarze 993: case LIST_column:
1.134 kristaps 994: if (MDOC_BODY == n->type)
1.1 kristaps 995: term_flushln(p);
996: break;
997: default:
1.130 schwarze 998: term_newln(p);
1.1 kristaps 999: break;
1000: }
1001:
1.264 schwarze 1002: /*
1.109 kristaps 1003: * Now that our output is flushed, we can reset our tags. Since
1004: * only `It' sets these flags, we're free to assume that nobody
1005: * has munged them in the meanwhile.
1006: */
1007:
1.263 schwarze 1008: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1009: TERMP_DANGLE | TERMP_HANG);
1.250 schwarze 1010: p->trailspace = 0;
1.1 kristaps 1011: }
1012:
1013: static int
1014: termp_nm_pre(DECL_ARGS)
1015: {
1016:
1.253 schwarze 1017: if (MDOC_BLOCK == n->type) {
1018: p->flags |= TERMP_PREKEEP;
1.164 schwarze 1019: return(1);
1.253 schwarze 1020: }
1.164 schwarze 1021:
1022: if (MDOC_BODY == n->type) {
1023: if (NULL == n->child)
1024: return(0);
1.234 schwarze 1025: p->flags |= TERMP_NOSPACE;
1.164 schwarze 1026: p->offset += term_len(p, 1) +
1.245 schwarze 1027: (NULL == n->prev->child ?
1028: term_strlen(p, meta->name) :
1.164 schwarze 1029: MDOC_TEXT == n->prev->child->type ?
1.245 schwarze 1030: term_strlen(p, n->prev->child->string) :
1.164 schwarze 1031: term_len(p, 5));
1.262 schwarze 1032: if (p->rmargin < p->offset)
1033: p->rmargin = p->offset;
1.164 schwarze 1034: return(1);
1035: }
1036:
1.245 schwarze 1037: if (NULL == n->child && NULL == meta->name)
1.164 schwarze 1038: return(0);
1.125 kristaps 1039:
1.177 schwarze 1040: if (MDOC_HEAD == n->type)
1041: synopsis_pre(p, n->parent);
1.102 kristaps 1042:
1.279 schwarze 1043: if (MDOC_HEAD == n->type &&
1.278 schwarze 1044: NULL != n->next && NULL != n->next->child) {
1.263 schwarze 1045: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 1046: p->trailspace = 1;
1.185 schwarze 1047: p->rmargin = p->offset + term_len(p, 1);
1048: if (NULL == n->child) {
1.245 schwarze 1049: p->rmargin += term_strlen(p, meta->name);
1.185 schwarze 1050: } else if (MDOC_TEXT == n->child->type) {
1051: p->rmargin += term_strlen(p, n->child->string);
1052: if (n->child->next)
1053: p->flags |= TERMP_HANG;
1054: } else {
1055: p->rmargin += term_len(p, 5);
1056: p->flags |= TERMP_HANG;
1057: }
1.164 schwarze 1058: }
1059:
1.102 kristaps 1060: term_fontpush(p, TERMFONT_BOLD);
1.86 kristaps 1061: if (NULL == n->child)
1.245 schwarze 1062: term_word(p, meta->name);
1.1 kristaps 1063: return(1);
1064: }
1065:
1.164 schwarze 1066: static void
1067: termp_nm_post(DECL_ARGS)
1068: {
1069:
1.253 schwarze 1070: if (MDOC_BLOCK == n->type) {
1071: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.279 schwarze 1072: } else if (MDOC_HEAD == n->type &&
1.278 schwarze 1073: NULL != n->next && NULL != n->next->child) {
1.164 schwarze 1074: term_flushln(p);
1.263 schwarze 1075: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 1076: p->trailspace = 0;
1.234 schwarze 1077: } else if (MDOC_BODY == n->type && n->child)
1.164 schwarze 1078: term_flushln(p);
1079: }
1080:
1.1 kristaps 1081: static int
1082: termp_fl_pre(DECL_ARGS)
1083: {
1084:
1.102 kristaps 1085: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1086: term_word(p, "\\-");
1.103 kristaps 1087:
1.280 schwarze 1088: if ( ! (n->nchild == 0 &&
1089: (n->next == NULL ||
1090: n->next->type == MDOC_TEXT ||
1091: n->next->flags & MDOC_LINE)))
1.103 kristaps 1092: p->flags |= TERMP_NOSPACE;
1093:
1.1 kristaps 1094: return(1);
1095: }
1096:
1097: static int
1.184 kristaps 1098: termp__a_pre(DECL_ARGS)
1099: {
1100:
1101: if (n->prev && MDOC__A == n->prev->tok)
1102: if (NULL == n->next || MDOC__A != n->next->tok)
1103: term_word(p, "and");
1104:
1105: return(1);
1106: }
1107:
1108: static int
1.61 kristaps 1109: termp_an_pre(DECL_ARGS)
1110: {
1111:
1.282 schwarze 1112: if (n->norm->An.auth == AUTH_split) {
1113: p->flags &= ~TERMP_NOSPLIT;
1114: p->flags |= TERMP_SPLIT;
1115: return(0);
1116: }
1117: if (n->norm->An.auth == AUTH_nosplit) {
1118: p->flags &= ~TERMP_SPLIT;
1119: p->flags |= TERMP_NOSPLIT;
1120: return(0);
1121: }
1.61 kristaps 1122:
1.282 schwarze 1123: if (n->child == NULL)
1124: return(0);
1.264 schwarze 1125:
1.282 schwarze 1126: if (p->flags & TERMP_SPLIT)
1.61 kristaps 1127: term_newln(p);
1128:
1.282 schwarze 1129: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1130: p->flags |= TERMP_SPLIT;
1.61 kristaps 1131:
1132: return(1);
1133: }
1134:
1135: static int
1.1 kristaps 1136: termp_ns_pre(DECL_ARGS)
1137: {
1138:
1.215 kristaps 1139: if ( ! (MDOC_LINE & n->flags))
1140: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1141: return(1);
1142: }
1143:
1144: static int
1145: termp_rs_pre(DECL_ARGS)
1146: {
1147:
1.86 kristaps 1148: if (SEC_SEE_ALSO != n->sec)
1.80 kristaps 1149: return(1);
1.86 kristaps 1150: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1151: term_vspace(p);
1152: return(1);
1153: }
1154:
1155: static int
1156: termp_rv_pre(DECL_ARGS)
1157: {
1.223 kristaps 1158: int nchild;
1.1 kristaps 1159:
1160: term_newln(p);
1161:
1.223 kristaps 1162: nchild = n->nchild;
1.273 schwarze 1163: if (nchild > 0) {
1164: term_word(p, "The");
1.224 kristaps 1165:
1.273 schwarze 1166: for (n = n->child; n; n = n->next) {
1167: term_fontpush(p, TERMFONT_BOLD);
1168: term_word(p, n->string);
1169: term_fontpop(p);
1.223 kristaps 1170:
1171: p->flags |= TERMP_NOSPACE;
1.273 schwarze 1172: term_word(p, "()");
1173:
1174: if (n->next == NULL)
1175: continue;
1176:
1177: if (nchild > 2) {
1178: p->flags |= TERMP_NOSPACE;
1179: term_word(p, ",");
1180: }
1181: if (n->next->next == NULL)
1182: term_word(p, "and");
1.223 kristaps 1183: }
1184:
1.273 schwarze 1185: if (nchild > 1)
1186: term_word(p, "functions return");
1187: else
1188: term_word(p, "function returns");
1189:
1190: term_word(p, "the value\\~0 if successful;");
1191: } else
1192: term_word(p, "Upon successful completion,"
1193: " the value\\~0 is returned;");
1.1 kristaps 1194:
1.273 schwarze 1195: term_word(p, "otherwise the value\\~\\-1 is returned"
1196: " and the global variable");
1.1 kristaps 1197:
1.102 kristaps 1198: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1199: term_word(p, "errno");
1.102 kristaps 1200: term_fontpop(p);
1.1 kristaps 1201:
1.264 schwarze 1202: term_word(p, "is set to indicate the error.");
1.131 kristaps 1203: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1204:
1.68 kristaps 1205: return(0);
1.1 kristaps 1206: }
1207:
1208: static int
1209: termp_ex_pre(DECL_ARGS)
1210: {
1.224 kristaps 1211: int nchild;
1.1 kristaps 1212:
1.224 kristaps 1213: term_newln(p);
1.68 kristaps 1214: term_word(p, "The");
1.1 kristaps 1215:
1.224 kristaps 1216: nchild = n->nchild;
1217: for (n = n->child; n; n = n->next) {
1.102 kristaps 1218: term_fontpush(p, TERMFONT_BOLD);
1.224 kristaps 1219: term_word(p, n->string);
1.102 kristaps 1220: term_fontpop(p);
1.224 kristaps 1221:
1222: if (nchild > 2 && n->next) {
1223: p->flags |= TERMP_NOSPACE;
1.68 kristaps 1224: term_word(p, ",");
1.224 kristaps 1225: }
1226:
1227: if (n->next && NULL == n->next->next)
1228: term_word(p, "and");
1.68 kristaps 1229: }
1230:
1.224 kristaps 1231: if (nchild > 1)
1.273 schwarze 1232: term_word(p, "utilities exit\\~0");
1.68 kristaps 1233: else
1.273 schwarze 1234: term_word(p, "utility exits\\~0");
1.68 kristaps 1235:
1.273 schwarze 1236: term_word(p, "on success, and\\~>0 if an error occurs.");
1.224 kristaps 1237:
1.131 kristaps 1238: p->flags |= TERMP_SENTENCE;
1.68 kristaps 1239: return(0);
1.1 kristaps 1240: }
1241:
1242: static int
1243: termp_nd_pre(DECL_ARGS)
1244: {
1.25 kristaps 1245:
1.86 kristaps 1246: if (MDOC_BODY != n->type)
1.25 kristaps 1247: return(1);
1.30 kristaps 1248:
1.27 kristaps 1249: #if defined(__OpenBSD__) || defined(__linux__)
1.41 kristaps 1250: term_word(p, "\\(en");
1.23 kristaps 1251: #else
1252: term_word(p, "\\(em");
1253: #endif
1.1 kristaps 1254: return(1);
1.115 kristaps 1255: }
1256:
1257: static int
1258: termp_bl_pre(DECL_ARGS)
1259: {
1260:
1261: return(MDOC_HEAD != n->type);
1.1 kristaps 1262: }
1263:
1264: static void
1265: termp_bl_post(DECL_ARGS)
1266: {
1267:
1.86 kristaps 1268: if (MDOC_BLOCK == n->type)
1.1 kristaps 1269: term_newln(p);
1270: }
1271:
1272: static int
1273: termp_xr_pre(DECL_ARGS)
1274: {
1275:
1.225 kristaps 1276: if (NULL == (n = n->child))
1.113 kristaps 1277: return(0);
1278:
1.225 kristaps 1279: assert(MDOC_TEXT == n->type);
1280: term_word(p, n->string);
1.11 kristaps 1281:
1.264 schwarze 1282: if (NULL == (n = n->next))
1.1 kristaps 1283: return(0);
1.225 kristaps 1284:
1.1 kristaps 1285: p->flags |= TERMP_NOSPACE;
1286: term_word(p, "(");
1.222 kristaps 1287: p->flags |= TERMP_NOSPACE;
1.225 kristaps 1288:
1289: assert(MDOC_TEXT == n->type);
1290: term_word(p, n->string);
1291:
1.222 kristaps 1292: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1293: term_word(p, ")");
1.86 kristaps 1294:
1.1 kristaps 1295: return(0);
1296: }
1297:
1.143 kristaps 1298: /*
1299: * This decides how to assert whitespace before any of the SYNOPSIS set
1300: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1301: * macro combos).
1302: */
1303: static void
1304: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1305: {
1.264 schwarze 1306: /*
1.143 kristaps 1307: * Obviously, if we're not in a SYNOPSIS or no prior macros
1308: * exist, do nothing.
1309: */
1.160 kristaps 1310: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143 kristaps 1311: return;
1312:
1313: /*
1314: * If we're the second in a pair of like elements, emit our
1315: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1316: * case we soldier on.
1317: */
1.264 schwarze 1318: if (n->prev->tok == n->tok &&
1319: MDOC_Ft != n->tok &&
1320: MDOC_Fo != n->tok &&
1321: MDOC_Fn != n->tok) {
1.143 kristaps 1322: term_newln(p);
1323: return;
1324: }
1325:
1326: /*
1327: * If we're one of the SYNOPSIS set and non-like pair-wise after
1328: * another (or Fn/Fo, which we've let slip through) then assert
1329: * vertical space, else only newline and move on.
1330: */
1331: switch (n->prev->tok) {
1.264 schwarze 1332: case MDOC_Fd:
1.143 kristaps 1333: /* FALLTHROUGH */
1.264 schwarze 1334: case MDOC_Fn:
1.143 kristaps 1335: /* FALLTHROUGH */
1.264 schwarze 1336: case MDOC_Fo:
1.143 kristaps 1337: /* FALLTHROUGH */
1.264 schwarze 1338: case MDOC_In:
1.143 kristaps 1339: /* FALLTHROUGH */
1.264 schwarze 1340: case MDOC_Vt:
1.143 kristaps 1341: term_vspace(p);
1342: break;
1.264 schwarze 1343: case MDOC_Ft:
1.143 kristaps 1344: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1345: term_vspace(p);
1346: break;
1347: }
1348: /* FALLTHROUGH */
1349: default:
1350: term_newln(p);
1351: break;
1352: }
1353: }
1354:
1.110 kristaps 1355: static int
1356: termp_vt_pre(DECL_ARGS)
1357: {
1358:
1.143 kristaps 1359: if (MDOC_ELEM == n->type) {
1360: synopsis_pre(p, n);
1.245 schwarze 1361: return(termp_under_pre(p, pair, meta, n));
1.143 kristaps 1362: } else if (MDOC_BLOCK == n->type) {
1363: synopsis_pre(p, n);
1364: return(1);
1365: } else if (MDOC_HEAD == n->type)
1.110 kristaps 1366: return(0);
1367:
1.245 schwarze 1368: return(termp_under_pre(p, pair, meta, n));
1.110 kristaps 1369: }
1370:
1.1 kristaps 1371: static int
1.69 kristaps 1372: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1373: {
1374:
1.102 kristaps 1375: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1376: return(1);
1377: }
1378:
1.143 kristaps 1379: static int
1380: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1381: {
1382:
1.143 kristaps 1383: synopsis_pre(p, n);
1.245 schwarze 1384: return(termp_bold_pre(p, pair, meta, n));
1.1 kristaps 1385: }
1386:
1.241 schwarze 1387: static void
1388: termp_fd_post(DECL_ARGS)
1389: {
1390:
1391: term_newln(p);
1392: }
1393:
1.1 kristaps 1394: static int
1395: termp_sh_pre(DECL_ARGS)
1396: {
1.85 kristaps 1397:
1398: /* No vspace between consecutive `Sh' calls. */
1399:
1.86 kristaps 1400: switch (n->type) {
1.264 schwarze 1401: case MDOC_BLOCK:
1.86 kristaps 1402: if (n->prev && MDOC_Sh == n->prev->tok)
1403: if (NULL == n->prev->body->child)
1.65 kristaps 1404: break;
1405: term_vspace(p);
1406: break;
1.264 schwarze 1407: case MDOC_HEAD:
1.102 kristaps 1408: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1409: break;
1.264 schwarze 1410: case MDOC_BODY:
1.238 schwarze 1411: p->offset = term_len(p, p->defindent);
1.239 schwarze 1412: if (SEC_AUTHORS == n->sec)
1413: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1414: break;
1415: default:
1416: break;
1417: }
1418: return(1);
1419: }
1420:
1421: static void
1422: termp_sh_post(DECL_ARGS)
1423: {
1424:
1.86 kristaps 1425: switch (n->type) {
1.264 schwarze 1426: case MDOC_HEAD:
1.1 kristaps 1427: term_newln(p);
1428: break;
1.264 schwarze 1429: case MDOC_BODY:
1.1 kristaps 1430: term_newln(p);
1431: p->offset = 0;
1432: break;
1433: default:
1434: break;
1435: }
1436: }
1437:
1438: static int
1439: termp_bt_pre(DECL_ARGS)
1440: {
1441:
1442: term_word(p, "is currently in beta test.");
1.131 kristaps 1443: p->flags |= TERMP_SENTENCE;
1.81 kristaps 1444: return(0);
1.1 kristaps 1445: }
1446:
1447: static void
1448: termp_lb_post(DECL_ARGS)
1449: {
1450:
1.122 kristaps 1451: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81 kristaps 1452: term_newln(p);
1.1 kristaps 1453: }
1454:
1455: static int
1456: termp_ud_pre(DECL_ARGS)
1457: {
1458:
1459: term_word(p, "currently under development.");
1.131 kristaps 1460: p->flags |= TERMP_SENTENCE;
1.86 kristaps 1461: return(0);
1.1 kristaps 1462: }
1463:
1464: static int
1465: termp_d1_pre(DECL_ARGS)
1466: {
1467:
1.86 kristaps 1468: if (MDOC_BLOCK != n->type)
1.1 kristaps 1469: return(1);
1470: term_newln(p);
1.238 schwarze 1471: p->offset += term_len(p, p->defindent + 1);
1.1 kristaps 1472: return(1);
1473: }
1474:
1475: static int
1476: termp_ft_pre(DECL_ARGS)
1477: {
1478:
1.141 kristaps 1479: /* NB: MDOC_LINE does not effect this! */
1.143 kristaps 1480: synopsis_pre(p, n);
1.102 kristaps 1481: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1482: return(1);
1483: }
1484:
1485: static int
1486: termp_fn_pre(DECL_ARGS)
1487: {
1.257 schwarze 1488: size_t rmargin = 0;
1.226 kristaps 1489: int pretty;
1490:
1491: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1492:
1.143 kristaps 1493: synopsis_pre(p, n);
1.139 kristaps 1494:
1.226 kristaps 1495: if (NULL == (n = n->child))
1496: return(0);
1497:
1.251 schwarze 1498: if (pretty) {
1499: rmargin = p->rmargin;
1.257 schwarze 1500: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 1501: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251 schwarze 1502: }
1503:
1.226 kristaps 1504: assert(MDOC_TEXT == n->type);
1.102 kristaps 1505: term_fontpush(p, TERMFONT_BOLD);
1.226 kristaps 1506: term_word(p, n->string);
1.102 kristaps 1507: term_fontpop(p);
1.1 kristaps 1508:
1.251 schwarze 1509: if (pretty) {
1510: term_flushln(p);
1.263 schwarze 1511: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251 schwarze 1512: p->offset = p->rmargin;
1513: p->rmargin = rmargin;
1514: }
1515:
1.1 kristaps 1516: p->flags |= TERMP_NOSPACE;
1517: term_word(p, "(");
1.222 kristaps 1518: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1519:
1.226 kristaps 1520: for (n = n->next; n; n = n->next) {
1521: assert(MDOC_TEXT == n->type);
1.102 kristaps 1522: term_fontpush(p, TERMFONT_UNDER);
1.255 schwarze 1523: if (pretty)
1524: p->flags |= TERMP_NBRWORD;
1.226 kristaps 1525: term_word(p, n->string);
1.102 kristaps 1526: term_fontpop(p);
1527:
1.226 kristaps 1528: if (n->next) {
1.222 kristaps 1529: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1530: term_word(p, ",");
1.222 kristaps 1531: }
1.1 kristaps 1532: }
1533:
1.222 kristaps 1534: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1535: term_word(p, ")");
1536:
1.226 kristaps 1537: if (pretty) {
1.222 kristaps 1538: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1539: term_word(p, ";");
1.251 schwarze 1540: term_flushln(p);
1.222 kristaps 1541: }
1.1 kristaps 1542:
1543: return(0);
1544: }
1545:
1546: static int
1547: termp_fa_pre(DECL_ARGS)
1548: {
1.86 kristaps 1549: const struct mdoc_node *nn;
1.1 kristaps 1550:
1.86 kristaps 1551: if (n->parent->tok != MDOC_Fo) {
1.102 kristaps 1552: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1553: return(1);
1554: }
1555:
1.86 kristaps 1556: for (nn = n->child; nn; nn = nn->next) {
1.102 kristaps 1557: term_fontpush(p, TERMFONT_UNDER);
1.258 schwarze 1558: p->flags |= TERMP_NBRWORD;
1.86 kristaps 1559: term_word(p, nn->string);
1.102 kristaps 1560: term_fontpop(p);
1561:
1.256 schwarze 1562: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222 kristaps 1563: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1564: term_word(p, ",");
1.222 kristaps 1565: }
1.1 kristaps 1566: }
1567:
1568: return(0);
1569: }
1570:
1571: static int
1572: termp_bd_pre(DECL_ARGS)
1573: {
1.272 schwarze 1574: size_t tabwidth, lm, len, rm, rmax;
1.244 schwarze 1575: struct mdoc_node *nn;
1.1 kristaps 1576:
1.86 kristaps 1577: if (MDOC_BLOCK == n->type) {
1.151 kristaps 1578: print_bvspace(p, n, n);
1.54 kristaps 1579: return(1);
1.116 kristaps 1580: } else if (MDOC_HEAD == n->type)
1581: return(0);
1.1 kristaps 1582:
1.202 kristaps 1583: if (n->norm->Bd.offs)
1584: p->offset += a2offs(p, n->norm->Bd.offs);
1.85 kristaps 1585:
1586: /*
1587: * If -ragged or -filled are specified, the block does nothing
1588: * but change the indentation. If -unfilled or -literal are
1589: * specified, text is printed exactly as entered in the display:
1590: * for macro lines, a newline is appended to the line. Blank
1591: * lines are allowed.
1592: */
1.264 schwarze 1593:
1594: if (DISP_literal != n->norm->Bd.type &&
1.272 schwarze 1595: DISP_unfilled != n->norm->Bd.type &&
1596: DISP_centered != n->norm->Bd.type)
1.1 kristaps 1597: return(1);
1598:
1.129 schwarze 1599: tabwidth = p->tabwidth;
1.208 kristaps 1600: if (DISP_literal == n->norm->Bd.type)
1601: p->tabwidth = term_len(p, 8);
1602:
1.272 schwarze 1603: lm = p->offset;
1.119 kristaps 1604: rm = p->rmargin;
1605: rmax = p->maxrmargin;
1.120 kristaps 1606: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1607:
1.86 kristaps 1608: for (nn = n->child; nn; nn = nn->next) {
1.272 schwarze 1609: if (DISP_centered == n->norm->Bd.type) {
1610: if (MDOC_TEXT == nn->type) {
1611: len = term_strlen(p, nn->string);
1612: p->offset = len >= rm ? 0 :
1613: lm + len >= rm ? rm - len :
1614: (lm + rm - len) / 2;
1615: } else
1616: p->offset = lm;
1617: }
1.245 schwarze 1618: print_mdoc_node(p, pair, meta, nn);
1.190 kristaps 1619: /*
1620: * If the printed node flushes its own line, then we
1621: * needn't do it here as well. This is hacky, but the
1622: * notion of selective eoln whitespace is pretty dumb
1623: * anyway, so don't sweat it.
1624: */
1625: switch (nn->tok) {
1.264 schwarze 1626: case MDOC_Sm:
1.193 kristaps 1627: /* FALLTHROUGH */
1.264 schwarze 1628: case MDOC_br:
1.190 kristaps 1629: /* FALLTHROUGH */
1.264 schwarze 1630: case MDOC_sp:
1.190 kristaps 1631: /* FALLTHROUGH */
1.264 schwarze 1632: case MDOC_Bl:
1.196 kristaps 1633: /* FALLTHROUGH */
1.264 schwarze 1634: case MDOC_D1:
1.196 kristaps 1635: /* FALLTHROUGH */
1.264 schwarze 1636: case MDOC_Dl:
1.190 kristaps 1637: /* FALLTHROUGH */
1.264 schwarze 1638: case MDOC_Lp:
1.190 kristaps 1639: /* FALLTHROUGH */
1.264 schwarze 1640: case MDOC_Pp:
1.190 kristaps 1641: continue;
1642: default:
1643: break;
1644: }
1.180 schwarze 1645: if (nn->next && nn->next->line == nn->line)
1646: continue;
1647: term_flushln(p);
1648: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1649: }
1.147 kristaps 1650:
1.129 schwarze 1651: p->tabwidth = tabwidth;
1.119 kristaps 1652: p->rmargin = rm;
1653: p->maxrmargin = rmax;
1.1 kristaps 1654: return(0);
1655: }
1656:
1657: static void
1658: termp_bd_post(DECL_ARGS)
1659: {
1.119 kristaps 1660: size_t rm, rmax;
1.1 kristaps 1661:
1.264 schwarze 1662: if (MDOC_BODY != n->type)
1.1 kristaps 1663: return;
1.118 kristaps 1664:
1.119 kristaps 1665: rm = p->rmargin;
1666: rmax = p->maxrmargin;
1.118 kristaps 1667:
1.264 schwarze 1668: if (DISP_literal == n->norm->Bd.type ||
1669: DISP_unfilled == n->norm->Bd.type)
1.120 kristaps 1670: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1671:
1.60 kristaps 1672: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1673: term_newln(p);
1.118 kristaps 1674:
1.119 kristaps 1675: p->rmargin = rm;
1676: p->maxrmargin = rmax;
1.1 kristaps 1677: }
1678:
1.211 kristaps 1679: static int
1680: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1681: {
1682:
1.211 kristaps 1683: if (NULL != (n = n->child)) {
1684: term_word(p, n->string);
1685: p->flags |= TERMP_NOSPACE;
1686: term_word(p, "BSD");
1687: } else {
1688: term_word(p, "BSD");
1689: return(0);
1690: }
1691:
1692: if (NULL != (n = n->next)) {
1693: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1694: term_word(p, "-");
1.1 kristaps 1695: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1696: term_word(p, n->string);
1.211 kristaps 1697: }
1698:
1699: return(0);
1.1 kristaps 1700: }
1701:
1702: static int
1.26 kristaps 1703: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1704: {
1.26 kristaps 1705: const char *pp;
1.218 schwarze 1706: int flags;
1.1 kristaps 1707:
1.26 kristaps 1708: pp = NULL;
1.86 kristaps 1709: switch (n->tok) {
1.264 schwarze 1710: case MDOC_Bsx:
1.194 schwarze 1711: pp = "BSD/OS";
1.26 kristaps 1712: break;
1.264 schwarze 1713: case MDOC_Dx:
1.100 kristaps 1714: pp = "DragonFly";
1.26 kristaps 1715: break;
1.264 schwarze 1716: case MDOC_Fx:
1.26 kristaps 1717: pp = "FreeBSD";
1718: break;
1.264 schwarze 1719: case MDOC_Nx:
1.26 kristaps 1720: pp = "NetBSD";
1721: break;
1.264 schwarze 1722: case MDOC_Ox:
1.26 kristaps 1723: pp = "OpenBSD";
1724: break;
1.264 schwarze 1725: case MDOC_Ux:
1.26 kristaps 1726: pp = "UNIX";
1727: break;
1728: default:
1.246 schwarze 1729: abort();
1730: /* NOTREACHED */
1.26 kristaps 1731: }
1.1 kristaps 1732:
1.26 kristaps 1733: term_word(p, pp);
1.214 kristaps 1734: if (n->child) {
1.218 schwarze 1735: flags = p->flags;
1.214 kristaps 1736: p->flags |= TERMP_KEEP;
1737: term_word(p, n->child->string);
1.218 schwarze 1738: p->flags = flags;
1.214 kristaps 1739: }
1740: return(0);
1.1 kristaps 1741: }
1742:
1743: static void
1744: termp_pf_post(DECL_ARGS)
1745: {
1746:
1747: p->flags |= TERMP_NOSPACE;
1748: }
1749:
1750: static int
1751: termp_ss_pre(DECL_ARGS)
1752: {
1753:
1.86 kristaps 1754: switch (n->type) {
1.264 schwarze 1755: case MDOC_BLOCK:
1.1 kristaps 1756: term_newln(p);
1.86 kristaps 1757: if (n->prev)
1.1 kristaps 1758: term_vspace(p);
1759: break;
1.264 schwarze 1760: case MDOC_HEAD:
1.102 kristaps 1761: term_fontpush(p, TERMFONT_BOLD);
1.238 schwarze 1762: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1763: break;
1.274 schwarze 1764: case MDOC_BODY:
1765: p->offset = term_len(p, p->defindent);
1766: break;
1.1 kristaps 1767: default:
1768: break;
1769: }
1770:
1771: return(1);
1772: }
1773:
1774: static void
1775: termp_ss_post(DECL_ARGS)
1776: {
1777:
1.274 schwarze 1778: if (n->type == MDOC_HEAD || n->type == MDOC_BODY)
1.1 kristaps 1779: term_newln(p);
1780: }
1781:
1782: static int
1783: termp_cd_pre(DECL_ARGS)
1784: {
1785:
1.143 kristaps 1786: synopsis_pre(p, n);
1.102 kristaps 1787: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1788: return(1);
1789: }
1790:
1791: static int
1792: termp_in_pre(DECL_ARGS)
1793: {
1.142 schwarze 1794:
1.143 kristaps 1795: synopsis_pre(p, n);
1.1 kristaps 1796:
1.160 kristaps 1797: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138 kristaps 1798: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1799: term_word(p, "#include");
1.138 kristaps 1800: term_word(p, "<");
1801: } else {
1802: term_word(p, "<");
1803: term_fontpush(p, TERMFONT_UNDER);
1804: }
1.22 kristaps 1805:
1.1 kristaps 1806: p->flags |= TERMP_NOSPACE;
1807: return(1);
1808: }
1809:
1810: static void
1811: termp_in_post(DECL_ARGS)
1812: {
1813:
1.160 kristaps 1814: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1815: term_fontpush(p, TERMFONT_BOLD);
1816:
1.79 kristaps 1817: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1818: term_word(p, ">");
1819:
1.160 kristaps 1820: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1821: term_fontpop(p);
1.1 kristaps 1822: }
1823:
1824: static int
1.45 kristaps 1825: termp_sp_pre(DECL_ARGS)
1826: {
1.91 kristaps 1827: size_t i, len;
1.45 kristaps 1828:
1.86 kristaps 1829: switch (n->tok) {
1.264 schwarze 1830: case MDOC_sp:
1.157 kristaps 1831: len = n->child ? a2height(p, n->child->string) : 1;
1.76 kristaps 1832: break;
1.264 schwarze 1833: case MDOC_br:
1.76 kristaps 1834: len = 0;
1835: break;
1836: default:
1837: len = 1;
1838: break;
1.45 kristaps 1839: }
1840:
1841: if (0 == len)
1842: term_newln(p);
1843: for (i = 0; i < len; i++)
1844: term_vspace(p);
1845:
1846: return(0);
1847: }
1848:
1849: static int
1.268 schwarze 1850: termp_es_pre(DECL_ARGS)
1851: {
1852:
1853: return(0);
1854: }
1855:
1856: static int
1.188 kristaps 1857: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1858: {
1859:
1.203 kristaps 1860: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1861: return(1);
1862:
1.188 kristaps 1863: switch (n->tok) {
1.264 schwarze 1864: case MDOC_Ao:
1.188 kristaps 1865: /* FALLTHROUGH */
1.264 schwarze 1866: case MDOC_Aq:
1.188 kristaps 1867: term_word(p, "<");
1868: break;
1.264 schwarze 1869: case MDOC_Bro:
1.188 kristaps 1870: /* FALLTHROUGH */
1.264 schwarze 1871: case MDOC_Brq:
1.188 kristaps 1872: term_word(p, "{");
1873: break;
1.264 schwarze 1874: case MDOC_Oo:
1.188 kristaps 1875: /* FALLTHROUGH */
1.264 schwarze 1876: case MDOC_Op:
1.188 kristaps 1877: /* FALLTHROUGH */
1.264 schwarze 1878: case MDOC_Bo:
1.188 kristaps 1879: /* FALLTHROUGH */
1.264 schwarze 1880: case MDOC_Bq:
1.188 kristaps 1881: term_word(p, "[");
1882: break;
1.264 schwarze 1883: case MDOC_Do:
1.188 kristaps 1884: /* FALLTHROUGH */
1.264 schwarze 1885: case MDOC_Dq:
1.249 schwarze 1886: term_word(p, "\\(lq");
1.188 kristaps 1887: break;
1.268 schwarze 1888: case MDOC_En:
1889: if (NULL == n->norm->Es ||
1890: NULL == n->norm->Es->child)
1891: return(1);
1892: term_word(p, n->norm->Es->child->string);
1893: break;
1.264 schwarze 1894: case MDOC_Eo:
1.237 schwarze 1895: break;
1.264 schwarze 1896: case MDOC_Po:
1.188 kristaps 1897: /* FALLTHROUGH */
1.264 schwarze 1898: case MDOC_Pq:
1.188 kristaps 1899: term_word(p, "(");
1900: break;
1.264 schwarze 1901: case MDOC__T:
1.205 kristaps 1902: /* FALLTHROUGH */
1.264 schwarze 1903: case MDOC_Qo:
1.188 kristaps 1904: /* FALLTHROUGH */
1.264 schwarze 1905: case MDOC_Qq:
1.188 kristaps 1906: term_word(p, "\"");
1907: break;
1.264 schwarze 1908: case MDOC_Ql:
1.188 kristaps 1909: /* FALLTHROUGH */
1.264 schwarze 1910: case MDOC_So:
1.188 kristaps 1911: /* FALLTHROUGH */
1.264 schwarze 1912: case MDOC_Sq:
1.249 schwarze 1913: term_word(p, "\\(oq");
1.188 kristaps 1914: break;
1915: default:
1916: abort();
1917: /* NOTREACHED */
1918: }
1.1 kristaps 1919:
1920: p->flags |= TERMP_NOSPACE;
1921: return(1);
1922: }
1923:
1924: static void
1.188 kristaps 1925: termp_quote_post(DECL_ARGS)
1.1 kristaps 1926: {
1927:
1.203 kristaps 1928: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1929: return;
1930:
1.268 schwarze 1931: if (MDOC_En != n->tok)
1932: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1933:
1.188 kristaps 1934: switch (n->tok) {
1.264 schwarze 1935: case MDOC_Ao:
1.188 kristaps 1936: /* FALLTHROUGH */
1.264 schwarze 1937: case MDOC_Aq:
1.188 kristaps 1938: term_word(p, ">");
1939: break;
1.264 schwarze 1940: case MDOC_Bro:
1.188 kristaps 1941: /* FALLTHROUGH */
1.264 schwarze 1942: case MDOC_Brq:
1.188 kristaps 1943: term_word(p, "}");
1944: break;
1.264 schwarze 1945: case MDOC_Oo:
1.188 kristaps 1946: /* FALLTHROUGH */
1.264 schwarze 1947: case MDOC_Op:
1.188 kristaps 1948: /* FALLTHROUGH */
1.264 schwarze 1949: case MDOC_Bo:
1.188 kristaps 1950: /* FALLTHROUGH */
1.264 schwarze 1951: case MDOC_Bq:
1.188 kristaps 1952: term_word(p, "]");
1953: break;
1.264 schwarze 1954: case MDOC_Do:
1.188 kristaps 1955: /* FALLTHROUGH */
1.264 schwarze 1956: case MDOC_Dq:
1.249 schwarze 1957: term_word(p, "\\(rq");
1.268 schwarze 1958: break;
1959: case MDOC_En:
1960: if (NULL != n->norm->Es &&
1961: NULL != n->norm->Es->child &&
1962: NULL != n->norm->Es->child->next) {
1963: p->flags |= TERMP_NOSPACE;
1964: term_word(p, n->norm->Es->child->next->string);
1965: }
1.237 schwarze 1966: break;
1.264 schwarze 1967: case MDOC_Eo:
1.188 kristaps 1968: break;
1.264 schwarze 1969: case MDOC_Po:
1.188 kristaps 1970: /* FALLTHROUGH */
1.264 schwarze 1971: case MDOC_Pq:
1.188 kristaps 1972: term_word(p, ")");
1973: break;
1.264 schwarze 1974: case MDOC__T:
1.205 kristaps 1975: /* FALLTHROUGH */
1.264 schwarze 1976: case MDOC_Qo:
1.188 kristaps 1977: /* FALLTHROUGH */
1.264 schwarze 1978: case MDOC_Qq:
1.188 kristaps 1979: term_word(p, "\"");
1980: break;
1.264 schwarze 1981: case MDOC_Ql:
1.188 kristaps 1982: /* FALLTHROUGH */
1.264 schwarze 1983: case MDOC_So:
1.188 kristaps 1984: /* FALLTHROUGH */
1.264 schwarze 1985: case MDOC_Sq:
1.249 schwarze 1986: term_word(p, "\\(cq");
1.188 kristaps 1987: break;
1988: default:
1989: abort();
1990: /* NOTREACHED */
1991: }
1.1 kristaps 1992: }
1993:
1994: static int
1995: termp_fo_pre(DECL_ARGS)
1996: {
1.257 schwarze 1997: size_t rmargin = 0;
1.256 schwarze 1998: int pretty;
1999:
2000: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 2001:
1.141 kristaps 2002: if (MDOC_BLOCK == n->type) {
1.143 kristaps 2003: synopsis_pre(p, n);
1.141 kristaps 2004: return(1);
2005: } else if (MDOC_BODY == n->type) {
1.256 schwarze 2006: if (pretty) {
2007: rmargin = p->rmargin;
1.257 schwarze 2008: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 2009: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
2010: TERMP_HANG;
1.256 schwarze 2011: }
1.33 kristaps 2012: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2013: term_word(p, "(");
1.222 kristaps 2014: p->flags |= TERMP_NOSPACE;
1.256 schwarze 2015: if (pretty) {
2016: term_flushln(p);
1.263 schwarze 2017: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
2018: TERMP_HANG);
1.256 schwarze 2019: p->offset = p->rmargin;
2020: p->rmargin = rmargin;
2021: }
1.1 kristaps 2022: return(1);
1.256 schwarze 2023: }
1.141 kristaps 2024:
1.169 kristaps 2025: if (NULL == n->child)
2026: return(0);
2027:
1.141 kristaps 2028: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2029:
1.141 kristaps 2030: assert(n->child->string);
1.102 kristaps 2031: term_fontpush(p, TERMFONT_BOLD);
1.141 kristaps 2032: term_word(p, n->child->string);
1.1 kristaps 2033: return(0);
2034: }
2035:
2036: static void
2037: termp_fo_post(DECL_ARGS)
2038: {
2039:
1.264 schwarze 2040: if (MDOC_BODY != n->type)
1.143 kristaps 2041: return;
2042:
1.222 kristaps 2043: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2044: term_word(p, ")");
2045:
1.222 kristaps 2046: if (MDOC_SYNPRETTY & n->flags) {
2047: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2048: term_word(p, ";");
1.256 schwarze 2049: term_flushln(p);
1.222 kristaps 2050: }
1.1 kristaps 2051: }
2052:
2053: static int
2054: termp_bf_pre(DECL_ARGS)
2055: {
2056:
1.86 kristaps 2057: if (MDOC_HEAD == n->type)
1.1 kristaps 2058: return(0);
1.244 schwarze 2059: else if (MDOC_BODY != n->type)
1.1 kristaps 2060: return(1);
2061:
1.264 schwarze 2062: if (FONT_Em == n->norm->Bf.font)
1.102 kristaps 2063: term_fontpush(p, TERMFONT_UNDER);
1.264 schwarze 2064: else if (FONT_Sy == n->norm->Bf.font)
1.102 kristaps 2065: term_fontpush(p, TERMFONT_BOLD);
1.264 schwarze 2066: else
1.102 kristaps 2067: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2068:
2069: return(1);
2070: }
2071:
2072: static int
2073: termp_sm_pre(DECL_ARGS)
2074: {
2075:
1.269 schwarze 2076: if (NULL == n->child)
2077: p->flags ^= TERMP_NONOSPACE;
2078: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 2079: p->flags &= ~TERMP_NONOSPACE;
1.269 schwarze 2080: else
1.1 kristaps 2081: p->flags |= TERMP_NONOSPACE;
1.269 schwarze 2082:
2083: if (p->col && ! (TERMP_NONOSPACE & p->flags))
2084: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2085:
2086: return(0);
2087: }
2088:
2089: static int
2090: termp_ap_pre(DECL_ARGS)
2091: {
2092:
2093: p->flags |= TERMP_NOSPACE;
1.188 kristaps 2094: term_word(p, "'");
1.1 kristaps 2095: p->flags |= TERMP_NOSPACE;
2096: return(1);
2097: }
2098:
2099: static void
2100: termp____post(DECL_ARGS)
2101: {
1.184 kristaps 2102:
2103: /*
2104: * Handle lists of authors. In general, print each followed by
2105: * a comma. Don't print the comma if there are only two
2106: * authors.
2107: */
2108: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2109: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2110: if (NULL == n->prev || MDOC__A != n->prev->tok)
2111: return;
1.1 kristaps 2112:
1.95 kristaps 2113: /* TODO: %U. */
2114:
1.187 kristaps 2115: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2116: return;
2117:
1.222 kristaps 2118: p->flags |= TERMP_NOSPACE;
1.186 kristaps 2119: if (NULL == n->next) {
2120: term_word(p, ".");
2121: p->flags |= TERMP_SENTENCE;
2122: } else
2123: term_word(p, ",");
1.1 kristaps 2124: }
2125:
2126: static int
1.102 kristaps 2127: termp_li_pre(DECL_ARGS)
2128: {
2129:
2130: term_fontpush(p, TERMFONT_NONE);
2131: return(1);
2132: }
2133:
2134: static int
1.1 kristaps 2135: termp_lk_pre(DECL_ARGS)
2136: {
1.240 schwarze 2137: const struct mdoc_node *link, *descr;
1.1 kristaps 2138:
1.240 schwarze 2139: if (NULL == (link = n->child))
2140: return(0);
1.181 kristaps 2141:
1.240 schwarze 2142: if (NULL != (descr = link->next)) {
2143: term_fontpush(p, TERMFONT_UNDER);
2144: while (NULL != descr) {
2145: term_word(p, descr->string);
2146: descr = descr->next;
2147: }
2148: p->flags |= TERMP_NOSPACE;
2149: term_word(p, ":");
2150: term_fontpop(p);
2151: }
1.1 kristaps 2152:
1.102 kristaps 2153: term_fontpush(p, TERMFONT_BOLD);
1.240 schwarze 2154: term_word(p, link->string);
1.102 kristaps 2155: term_fontpop(p);
1.12 kristaps 2156:
1.1 kristaps 2157: return(0);
2158: }
2159:
1.159 schwarze 2160: static int
2161: termp_bk_pre(DECL_ARGS)
2162: {
2163:
1.161 schwarze 2164: switch (n->type) {
1.264 schwarze 2165: case MDOC_BLOCK:
1.166 kristaps 2166: break;
1.264 schwarze 2167: case MDOC_HEAD:
1.161 schwarze 2168: return(0);
1.264 schwarze 2169: case MDOC_BODY:
1.200 schwarze 2170: if (n->parent->args || 0 == n->prev->nchild)
2171: p->flags |= TERMP_PREKEEP;
1.166 kristaps 2172: break;
1.161 schwarze 2173: default:
2174: abort();
1.166 kristaps 2175: /* NOTREACHED */
1.161 schwarze 2176: }
1.166 kristaps 2177:
2178: return(1);
1.159 schwarze 2179: }
2180:
2181: static void
2182: termp_bk_post(DECL_ARGS)
2183: {
2184:
1.253 schwarze 2185: if (MDOC_BODY == n->type)
1.161 schwarze 2186: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203 kristaps 2187: }
2188:
2189: static void
2190: termp__t_post(DECL_ARGS)
2191: {
2192:
2193: /*
2194: * If we're in an `Rs' and there's a journal present, then quote
2195: * us instead of underlining us (for disambiguation).
2196: */
1.217 schwarze 2197: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2198: n->parent->norm->Rs.quote_T)
1.245 schwarze 2199: termp_quote_post(p, pair, meta, n);
1.203 kristaps 2200:
1.245 schwarze 2201: termp____post(p, pair, meta, n);
1.203 kristaps 2202: }
2203:
2204: static int
2205: termp__t_pre(DECL_ARGS)
2206: {
2207:
2208: /*
2209: * If we're in an `Rs' and there's a journal present, then quote
2210: * us instead of underlining us (for disambiguation).
2211: */
2212: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2213: n->parent->norm->Rs.quote_T)
1.245 schwarze 2214: return(termp_quote_pre(p, pair, meta, n));
1.203 kristaps 2215:
2216: term_fontpush(p, TERMFONT_UNDER);
2217: return(1);
1.159 schwarze 2218: }
1.1 kristaps 2219:
2220: static int
1.69 kristaps 2221: termp_under_pre(DECL_ARGS)
1.1 kristaps 2222: {
2223:
1.102 kristaps 2224: term_fontpush(p, TERMFONT_UNDER);
1.84 kristaps 2225: return(1);
2226: }
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