Annotation of mandoc/mdoc_term.c, Revision 1.282
1.282 ! schwarze 1: /* $Id: mdoc_term.c,v 1.281 2014/09/03 05:22:45 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);
544: if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157 kristaps 545: SCALE_HS_INIT(&su, term_strlen(p, v));
1.1 kristaps 546:
1.157 kristaps 547: return(term_hspan(p, &su));
1.1 kristaps 548: }
549:
550: static size_t
1.157 kristaps 551: a2offs(const struct termp *p, const char *v)
1.1 kristaps 552: {
1.92 kristaps 553: struct roffsu su;
1.1 kristaps 554:
1.148 kristaps 555: if ('\0' == *v)
1.91 kristaps 556: return(0);
1.148 kristaps 557: else if (0 == strcmp(v, "left"))
1.19 kristaps 558: return(0);
1.148 kristaps 559: else if (0 == strcmp(v, "indent"))
1.238 schwarze 560: return(term_len(p, p->defindent + 1));
1.148 kristaps 561: else if (0 == strcmp(v, "indent-two"))
1.238 schwarze 562: return(term_len(p, (p->defindent + 1) * 2));
1.148 kristaps 563: else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157 kristaps 564: SCALE_HS_INIT(&su, term_strlen(p, v));
1.10 kristaps 565:
1.157 kristaps 566: return(term_hspan(p, &su));
1.1 kristaps 567: }
568:
1.108 kristaps 569: /*
570: * Determine how much space to print out before block elements of `It'
571: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
572: * too.
573: */
1.54 kristaps 574: static void
1.264 schwarze 575: print_bvspace(struct termp *p,
576: const struct mdoc_node *bl,
577: const struct mdoc_node *n)
1.1 kristaps 578: {
1.86 kristaps 579: const struct mdoc_node *nn;
1.236 schwarze 580:
581: assert(n);
1.1 kristaps 582:
583: term_newln(p);
1.150 kristaps 584:
1.202 kristaps 585: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150 kristaps 586: return;
1.202 kristaps 587: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54 kristaps 588: return;
589:
1.85 kristaps 590: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 591:
1.86 kristaps 592: for (nn = n; nn; nn = nn->parent) {
593: if (MDOC_BLOCK != nn->type)
1.1 kristaps 594: continue;
1.86 kristaps 595: if (MDOC_Ss == nn->tok)
1.54 kristaps 596: return;
1.86 kristaps 597: if (MDOC_Sh == nn->tok)
1.54 kristaps 598: return;
1.86 kristaps 599: if (NULL == nn->prev)
1.1 kristaps 600: continue;
601: break;
602: }
603:
1.85 kristaps 604: /* A `-column' does not assert vspace within the list. */
1.54 kristaps 605:
1.202 kristaps 606: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86 kristaps 607: if (n->prev && MDOC_It == n->prev->tok)
1.54 kristaps 608: return;
609:
1.85 kristaps 610: /* A `-diag' without body does not vspace. */
611:
1.202 kristaps 612: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86 kristaps 613: if (n->prev && MDOC_It == n->prev->tok) {
614: assert(n->prev->body);
615: if (NULL == n->prev->body->child)
1.55 kristaps 616: return;
617: }
618:
1.54 kristaps 619: term_vspace(p);
1.260 schwarze 620: }
621:
622:
623: static int
624: termp_ll_pre(DECL_ARGS)
625: {
626:
1.261 schwarze 627: term_setwidth(p, n->nchild ? n->child->string : NULL);
1.260 schwarze 628: return(0);
1.1 kristaps 629: }
630:
631: static int
632: termp_it_pre(DECL_ARGS)
633: {
1.86 kristaps 634: const struct mdoc_node *bl, *nn;
1.265 schwarze 635: char buf[24];
1.264 schwarze 636: int i;
637: size_t width, offset, ncols, dcol;
1.126 kristaps 638: enum mdoc_list type;
1.1 kristaps 639:
1.86 kristaps 640: if (MDOC_BLOCK == n->type) {
1.151 kristaps 641: print_bvspace(p, n->parent->parent, n);
1.54 kristaps 642: return(1);
643: }
1.1 kristaps 644:
1.86 kristaps 645: bl = n->parent->parent->parent;
1.202 kristaps 646: type = bl->norm->Bl.type;
1.1 kristaps 647:
1.264 schwarze 648: /*
1.108 kristaps 649: * First calculate width and offset. This is pretty easy unless
650: * we're a -column list, in which case all prior columns must
651: * be accounted for.
652: */
653:
654: width = offset = 0;
655:
1.202 kristaps 656: if (bl->norm->Bl.offs)
657: offset = a2offs(p, bl->norm->Bl.offs);
1.152 kristaps 658:
1.1 kristaps 659: switch (type) {
1.264 schwarze 660: case LIST_column:
1.134 kristaps 661: if (MDOC_HEAD == n->type)
1.1 kristaps 662: break;
1.155 kristaps 663:
1.105 kristaps 664: /*
1.108 kristaps 665: * Imitate groff's column handling:
666: * - For each earlier column, add its width.
667: * - For less than 5 columns, add four more blanks per
668: * column.
669: * - For exactly 5 columns, add three more blank per
670: * column.
671: * - For more than 5 columns, add only one column.
1.105 kristaps 672: */
1.202 kristaps 673: ncols = bl->norm->Bl.ncols;
1.264 schwarze 674: dcol = ncols < 5 ? term_len(p, 4) :
675: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108 kristaps 676:
1.134 kristaps 677: /*
678: * Calculate the offset by applying all prior MDOC_BODY,
679: * so we stop at the MDOC_HEAD (NULL == nn->prev).
680: */
681:
1.264 schwarze 682: for (i = 0, nn = n->prev;
683: nn->prev && i < (int)ncols;
684: nn = nn->prev, i++)
685: offset += dcol + a2width(p,
686: bl->norm->Bl.cols[i]);
1.105 kristaps 687:
688: /*
1.108 kristaps 689: * When exceeding the declared number of columns, leave
690: * the remaining widths at 0. This will later be
691: * adjusted to the default width of 10, or, for the last
692: * column, stretched to the right margin.
1.58 kristaps 693: */
1.108 kristaps 694: if (i >= (int)ncols)
695: break;
1.58 kristaps 696:
1.105 kristaps 697: /*
1.108 kristaps 698: * Use the declared column widths, extended as explained
699: * in the preceding paragraph.
1.105 kristaps 700: */
1.202 kristaps 701: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 702: break;
703: default:
1.202 kristaps 704: if (NULL == bl->norm->Bl.width)
1.108 kristaps 705: break;
706:
1.264 schwarze 707: /*
1.108 kristaps 708: * Note: buffer the width by 2, which is groff's magic
709: * number for buffering single arguments. See the above
710: * handling for column for how this changes.
711: */
1.202 kristaps 712: assert(bl->norm->Bl.width);
713: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1 kristaps 714: break;
715: }
716:
1.264 schwarze 717: /*
1.1 kristaps 718: * List-type can override the width in the case of fixed-head
719: * values (bullet, dash/hyphen, enum). Tags need a non-zero
1.67 kristaps 720: * offset.
1.1 kristaps 721: */
722:
723: switch (type) {
1.264 schwarze 724: case LIST_bullet:
1.1 kristaps 725: /* FALLTHROUGH */
1.264 schwarze 726: case LIST_dash:
1.1 kristaps 727: /* FALLTHROUGH */
1.264 schwarze 728: case LIST_hyphen:
1.242 schwarze 729: /* FALLTHROUGH */
1.264 schwarze 730: case LIST_enum:
1.242 schwarze 731: if (width < term_len(p, 2))
732: width = term_len(p, 2);
1.17 kristaps 733: break;
1.264 schwarze 734: case LIST_hang:
1.39 kristaps 735: if (0 == width)
1.157 kristaps 736: width = term_len(p, 8);
1.39 kristaps 737: break;
1.264 schwarze 738: case LIST_column:
1.49 kristaps 739: /* FALLTHROUGH */
1.264 schwarze 740: case LIST_tag:
1.1 kristaps 741: if (0 == width)
1.157 kristaps 742: width = term_len(p, 10);
1.1 kristaps 743: break;
744: default:
745: break;
746: }
747:
1.264 schwarze 748: /*
1.17 kristaps 749: * Whitespace control. Inset bodies need an initial space,
750: * while diagonal bodies need two.
1.1 kristaps 751: */
752:
1.51 kristaps 753: p->flags |= TERMP_NOSPACE;
754:
1.1 kristaps 755: switch (type) {
1.264 schwarze 756: case LIST_diag:
1.86 kristaps 757: if (MDOC_BODY == n->type)
1.62 kristaps 758: term_word(p, "\\ \\ ");
1.51 kristaps 759: break;
1.264 schwarze 760: case LIST_inset:
1.270 schwarze 761: if (MDOC_BODY == n->type && n->parent->head->nchild)
1.51 kristaps 762: term_word(p, "\\ ");
1.1 kristaps 763: break;
764: default:
765: break;
766: }
767:
1.51 kristaps 768: p->flags |= TERMP_NOSPACE;
769:
1.1 kristaps 770: switch (type) {
1.264 schwarze 771: case LIST_diag:
1.86 kristaps 772: if (MDOC_HEAD == n->type)
1.102 kristaps 773: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 774: break;
775: default:
776: break;
777: }
778:
779: /*
1.109 kristaps 780: * Pad and break control. This is the tricky part. These flags
781: * are documented in term_flushln() in term.c. Note that we're
782: * going to unset all of these flags in termp_it_post() when we
783: * exit.
1.1 kristaps 784: */
785:
786: switch (type) {
1.264 schwarze 787: case LIST_enum:
1.242 schwarze 788: /*
789: * Weird special case.
790: * Very narrow enum lists actually hang.
791: */
792: if (width == term_len(p, 2))
793: p->flags |= TERMP_HANG;
794: /* FALLTHROUGH */
1.264 schwarze 795: case LIST_bullet:
1.1 kristaps 796: /* FALLTHROUGH */
1.264 schwarze 797: case LIST_dash:
1.1 kristaps 798: /* FALLTHROUGH */
1.264 schwarze 799: case LIST_hyphen:
1.250 schwarze 800: if (MDOC_HEAD != n->type)
801: break;
802: p->flags |= TERMP_NOBREAK;
803: p->trailspace = 1;
1.39 kristaps 804: break;
1.264 schwarze 805: case LIST_hang:
1.250 schwarze 806: if (MDOC_HEAD != n->type)
1.59 kristaps 807: break;
808:
809: /*
810: * This is ugly. If `-hang' is specified and the body
811: * is a `Bl' or `Bd', then we want basically to nullify
812: * the "overstep" effect in term_flushln() and treat
813: * this as a `-ohang' list instead.
814: */
1.279 schwarze 815: if (NULL != n->next &&
1.278 schwarze 816: NULL != n->next->child &&
817: (MDOC_Bl == n->next->child->tok ||
818: MDOC_Bd == n->next->child->tok))
1.250 schwarze 819: break;
820:
1.263 schwarze 821: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250 schwarze 822: p->trailspace = 1;
1.39 kristaps 823: break;
1.264 schwarze 824: case LIST_tag:
1.86 kristaps 825: if (MDOC_HEAD != n->type)
1.39 kristaps 826: break;
1.250 schwarze 827:
1.263 schwarze 828: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 829: p->trailspace = 2;
830:
1.86 kristaps 831: if (NULL == n->next || NULL == n->next->child)
1.39 kristaps 832: p->flags |= TERMP_DANGLE;
1.1 kristaps 833: break;
1.264 schwarze 834: case LIST_column:
1.134 kristaps 835: if (MDOC_HEAD == n->type)
836: break;
837:
1.250 schwarze 838: if (NULL == n->next) {
1.134 kristaps 839: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 840: p->trailspace = 0;
841: } else {
1.134 kristaps 842: p->flags |= TERMP_NOBREAK;
1.250 schwarze 843: p->trailspace = 1;
844: }
1.134 kristaps 845:
1.1 kristaps 846: break;
1.264 schwarze 847: case LIST_diag:
1.250 schwarze 848: if (MDOC_HEAD != n->type)
849: break;
1.263 schwarze 850: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 851: p->trailspace = 1;
1.1 kristaps 852: break;
853: default:
854: break;
855: }
856:
1.264 schwarze 857: /*
1.1 kristaps 858: * Margin control. Set-head-width lists have their right
859: * margins shortened. The body for these lists has the offset
860: * necessarily lengthened. Everybody gets the offset.
861: */
862:
863: p->offset += offset;
864:
865: switch (type) {
1.264 schwarze 866: case LIST_hang:
1.59 kristaps 867: /*
868: * Same stipulation as above, regarding `-hang'. We
869: * don't want to recalculate rmargin and offsets when
870: * using `Bd' or `Bl' within `-hang' overstep lists.
871: */
1.279 schwarze 872: if (MDOC_HEAD == n->type &&
873: NULL != n->next &&
1.278 schwarze 874: NULL != n->next->child &&
875: (MDOC_Bl == n->next->child->tok ||
876: MDOC_Bd == n->next->child->tok))
1.59 kristaps 877: break;
878: /* FALLTHROUGH */
1.264 schwarze 879: case LIST_bullet:
1.1 kristaps 880: /* FALLTHROUGH */
1.264 schwarze 881: case LIST_dash:
1.1 kristaps 882: /* FALLTHROUGH */
1.264 schwarze 883: case LIST_enum:
1.1 kristaps 884: /* FALLTHROUGH */
1.264 schwarze 885: case LIST_hyphen:
1.1 kristaps 886: /* FALLTHROUGH */
1.264 schwarze 887: case LIST_tag:
1.49 kristaps 888: assert(width);
1.86 kristaps 889: if (MDOC_HEAD == n->type)
1.1 kristaps 890: p->rmargin = p->offset + width;
1.259 schwarze 891: else {
1.1 kristaps 892: p->offset += width;
1.259 schwarze 893: if (p->rmargin < p->offset)
894: p->rmargin = p->offset;
895: }
1.1 kristaps 896: break;
1.264 schwarze 897: case LIST_column:
1.49 kristaps 898: assert(width);
1.1 kristaps 899: p->rmargin = p->offset + width;
1.264 schwarze 900: /*
1.50 kristaps 901: * XXX - this behaviour is not documented: the
902: * right-most column is filled to the right margin.
903: */
1.134 kristaps 904: if (MDOC_HEAD == n->type)
905: break;
906: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50 kristaps 907: p->rmargin = p->maxrmargin;
1.1 kristaps 908: break;
909: default:
910: break;
911: }
912:
1.264 schwarze 913: /*
1.1 kristaps 914: * The dash, hyphen, bullet and enum lists all have a special
1.264 schwarze 915: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 916: */
917:
1.86 kristaps 918: if (MDOC_HEAD == n->type)
1.1 kristaps 919: switch (type) {
1.264 schwarze 920: case LIST_bullet:
1.102 kristaps 921: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 922: term_word(p, "\\[bu]");
1.102 kristaps 923: term_fontpop(p);
1.1 kristaps 924: break;
1.264 schwarze 925: case LIST_dash:
1.1 kristaps 926: /* FALLTHROUGH */
1.264 schwarze 927: case LIST_hyphen:
1.102 kristaps 928: term_fontpush(p, TERMFONT_BOLD);
1.27 kristaps 929: term_word(p, "\\(hy");
1.102 kristaps 930: term_fontpop(p);
1.1 kristaps 931: break;
1.264 schwarze 932: case LIST_enum:
1.1 kristaps 933: (pair->ppair->ppair->count)++;
1.265 schwarze 934: (void)snprintf(buf, sizeof(buf), "%d.",
1.264 schwarze 935: pair->ppair->ppair->count);
1.1 kristaps 936: term_word(p, buf);
937: break;
938: default:
939: break;
940: }
941:
1.264 schwarze 942: /*
1.1 kristaps 943: * If we're not going to process our children, indicate so here.
944: */
945:
946: switch (type) {
1.264 schwarze 947: case LIST_bullet:
1.1 kristaps 948: /* FALLTHROUGH */
1.264 schwarze 949: case LIST_item:
1.1 kristaps 950: /* FALLTHROUGH */
1.264 schwarze 951: case LIST_dash:
1.1 kristaps 952: /* FALLTHROUGH */
1.264 schwarze 953: case LIST_hyphen:
1.1 kristaps 954: /* FALLTHROUGH */
1.264 schwarze 955: case LIST_enum:
1.86 kristaps 956: if (MDOC_HEAD == n->type)
1.1 kristaps 957: return(0);
958: break;
1.264 schwarze 959: case LIST_column:
1.134 kristaps 960: if (MDOC_HEAD == n->type)
1.1 kristaps 961: return(0);
962: break;
963: default:
964: break;
965: }
966:
967: return(1);
968: }
969:
970: static void
971: termp_it_post(DECL_ARGS)
972: {
1.126 kristaps 973: enum mdoc_list type;
1.1 kristaps 974:
1.109 kristaps 975: if (MDOC_BLOCK == n->type)
1.1 kristaps 976: return;
977:
1.202 kristaps 978: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 979:
980: switch (type) {
1.264 schwarze 981: case LIST_item:
1.1 kristaps 982: /* FALLTHROUGH */
1.264 schwarze 983: case LIST_diag:
1.53 kristaps 984: /* FALLTHROUGH */
1.264 schwarze 985: case LIST_inset:
1.86 kristaps 986: if (MDOC_BODY == n->type)
1.130 schwarze 987: term_newln(p);
1.1 kristaps 988: break;
1.264 schwarze 989: case LIST_column:
1.134 kristaps 990: if (MDOC_BODY == n->type)
1.1 kristaps 991: term_flushln(p);
992: break;
993: default:
1.130 schwarze 994: term_newln(p);
1.1 kristaps 995: break;
996: }
997:
1.264 schwarze 998: /*
1.109 kristaps 999: * Now that our output is flushed, we can reset our tags. Since
1000: * only `It' sets these flags, we're free to assume that nobody
1001: * has munged them in the meanwhile.
1002: */
1003:
1.263 schwarze 1004: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1005: TERMP_DANGLE | TERMP_HANG);
1.250 schwarze 1006: p->trailspace = 0;
1.1 kristaps 1007: }
1008:
1009: static int
1010: termp_nm_pre(DECL_ARGS)
1011: {
1012:
1.253 schwarze 1013: if (MDOC_BLOCK == n->type) {
1014: p->flags |= TERMP_PREKEEP;
1.164 schwarze 1015: return(1);
1.253 schwarze 1016: }
1.164 schwarze 1017:
1018: if (MDOC_BODY == n->type) {
1019: if (NULL == n->child)
1020: return(0);
1.234 schwarze 1021: p->flags |= TERMP_NOSPACE;
1.164 schwarze 1022: p->offset += term_len(p, 1) +
1.245 schwarze 1023: (NULL == n->prev->child ?
1024: term_strlen(p, meta->name) :
1.164 schwarze 1025: MDOC_TEXT == n->prev->child->type ?
1.245 schwarze 1026: term_strlen(p, n->prev->child->string) :
1.164 schwarze 1027: term_len(p, 5));
1.262 schwarze 1028: if (p->rmargin < p->offset)
1029: p->rmargin = p->offset;
1.164 schwarze 1030: return(1);
1031: }
1032:
1.245 schwarze 1033: if (NULL == n->child && NULL == meta->name)
1.164 schwarze 1034: return(0);
1.125 kristaps 1035:
1.177 schwarze 1036: if (MDOC_HEAD == n->type)
1037: synopsis_pre(p, n->parent);
1.102 kristaps 1038:
1.279 schwarze 1039: if (MDOC_HEAD == n->type &&
1.278 schwarze 1040: NULL != n->next && NULL != n->next->child) {
1.263 schwarze 1041: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 1042: p->trailspace = 1;
1.185 schwarze 1043: p->rmargin = p->offset + term_len(p, 1);
1044: if (NULL == n->child) {
1.245 schwarze 1045: p->rmargin += term_strlen(p, meta->name);
1.185 schwarze 1046: } else if (MDOC_TEXT == n->child->type) {
1047: p->rmargin += term_strlen(p, n->child->string);
1048: if (n->child->next)
1049: p->flags |= TERMP_HANG;
1050: } else {
1051: p->rmargin += term_len(p, 5);
1052: p->flags |= TERMP_HANG;
1053: }
1.164 schwarze 1054: }
1055:
1.102 kristaps 1056: term_fontpush(p, TERMFONT_BOLD);
1.86 kristaps 1057: if (NULL == n->child)
1.245 schwarze 1058: term_word(p, meta->name);
1.1 kristaps 1059: return(1);
1060: }
1061:
1.164 schwarze 1062: static void
1063: termp_nm_post(DECL_ARGS)
1064: {
1065:
1.253 schwarze 1066: if (MDOC_BLOCK == n->type) {
1067: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.279 schwarze 1068: } else if (MDOC_HEAD == n->type &&
1.278 schwarze 1069: NULL != n->next && NULL != n->next->child) {
1.164 schwarze 1070: term_flushln(p);
1.263 schwarze 1071: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 1072: p->trailspace = 0;
1.234 schwarze 1073: } else if (MDOC_BODY == n->type && n->child)
1.164 schwarze 1074: term_flushln(p);
1075: }
1076:
1.1 kristaps 1077: static int
1078: termp_fl_pre(DECL_ARGS)
1079: {
1080:
1.102 kristaps 1081: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1082: term_word(p, "\\-");
1.103 kristaps 1083:
1.280 schwarze 1084: if ( ! (n->nchild == 0 &&
1085: (n->next == NULL ||
1086: n->next->type == MDOC_TEXT ||
1087: n->next->flags & MDOC_LINE)))
1.103 kristaps 1088: p->flags |= TERMP_NOSPACE;
1089:
1.1 kristaps 1090: return(1);
1091: }
1092:
1093: static int
1.184 kristaps 1094: termp__a_pre(DECL_ARGS)
1095: {
1096:
1097: if (n->prev && MDOC__A == n->prev->tok)
1098: if (NULL == n->next || MDOC__A != n->next->tok)
1099: term_word(p, "and");
1100:
1101: return(1);
1102: }
1103:
1104: static int
1.61 kristaps 1105: termp_an_pre(DECL_ARGS)
1106: {
1107:
1.282 ! schwarze 1108: if (n->norm->An.auth == AUTH_split) {
! 1109: p->flags &= ~TERMP_NOSPLIT;
! 1110: p->flags |= TERMP_SPLIT;
! 1111: return(0);
! 1112: }
! 1113: if (n->norm->An.auth == AUTH_nosplit) {
! 1114: p->flags &= ~TERMP_SPLIT;
! 1115: p->flags |= TERMP_NOSPLIT;
! 1116: return(0);
! 1117: }
1.61 kristaps 1118:
1.282 ! schwarze 1119: if (n->child == NULL)
! 1120: return(0);
1.264 schwarze 1121:
1.282 ! schwarze 1122: if (p->flags & TERMP_SPLIT)
1.61 kristaps 1123: term_newln(p);
1124:
1.282 ! schwarze 1125: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
! 1126: p->flags |= TERMP_SPLIT;
1.61 kristaps 1127:
1128: return(1);
1129: }
1130:
1131: static int
1.1 kristaps 1132: termp_ns_pre(DECL_ARGS)
1133: {
1134:
1.215 kristaps 1135: if ( ! (MDOC_LINE & n->flags))
1136: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1137: return(1);
1138: }
1139:
1140: static int
1141: termp_rs_pre(DECL_ARGS)
1142: {
1143:
1.86 kristaps 1144: if (SEC_SEE_ALSO != n->sec)
1.80 kristaps 1145: return(1);
1.86 kristaps 1146: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1147: term_vspace(p);
1148: return(1);
1149: }
1150:
1151: static int
1152: termp_rv_pre(DECL_ARGS)
1153: {
1.223 kristaps 1154: int nchild;
1.1 kristaps 1155:
1156: term_newln(p);
1157:
1.223 kristaps 1158: nchild = n->nchild;
1.273 schwarze 1159: if (nchild > 0) {
1160: term_word(p, "The");
1.224 kristaps 1161:
1.273 schwarze 1162: for (n = n->child; n; n = n->next) {
1163: term_fontpush(p, TERMFONT_BOLD);
1164: term_word(p, n->string);
1165: term_fontpop(p);
1.223 kristaps 1166:
1167: p->flags |= TERMP_NOSPACE;
1.273 schwarze 1168: term_word(p, "()");
1169:
1170: if (n->next == NULL)
1171: continue;
1172:
1173: if (nchild > 2) {
1174: p->flags |= TERMP_NOSPACE;
1175: term_word(p, ",");
1176: }
1177: if (n->next->next == NULL)
1178: term_word(p, "and");
1.223 kristaps 1179: }
1180:
1.273 schwarze 1181: if (nchild > 1)
1182: term_word(p, "functions return");
1183: else
1184: term_word(p, "function returns");
1185:
1186: term_word(p, "the value\\~0 if successful;");
1187: } else
1188: term_word(p, "Upon successful completion,"
1189: " the value\\~0 is returned;");
1.1 kristaps 1190:
1.273 schwarze 1191: term_word(p, "otherwise the value\\~\\-1 is returned"
1192: " and the global variable");
1.1 kristaps 1193:
1.102 kristaps 1194: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1195: term_word(p, "errno");
1.102 kristaps 1196: term_fontpop(p);
1.1 kristaps 1197:
1.264 schwarze 1198: term_word(p, "is set to indicate the error.");
1.131 kristaps 1199: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1200:
1.68 kristaps 1201: return(0);
1.1 kristaps 1202: }
1203:
1204: static int
1205: termp_ex_pre(DECL_ARGS)
1206: {
1.224 kristaps 1207: int nchild;
1.1 kristaps 1208:
1.224 kristaps 1209: term_newln(p);
1.68 kristaps 1210: term_word(p, "The");
1.1 kristaps 1211:
1.224 kristaps 1212: nchild = n->nchild;
1213: for (n = n->child; n; n = n->next) {
1.102 kristaps 1214: term_fontpush(p, TERMFONT_BOLD);
1.224 kristaps 1215: term_word(p, n->string);
1.102 kristaps 1216: term_fontpop(p);
1.224 kristaps 1217:
1218: if (nchild > 2 && n->next) {
1219: p->flags |= TERMP_NOSPACE;
1.68 kristaps 1220: term_word(p, ",");
1.224 kristaps 1221: }
1222:
1223: if (n->next && NULL == n->next->next)
1224: term_word(p, "and");
1.68 kristaps 1225: }
1226:
1.224 kristaps 1227: if (nchild > 1)
1.273 schwarze 1228: term_word(p, "utilities exit\\~0");
1.68 kristaps 1229: else
1.273 schwarze 1230: term_word(p, "utility exits\\~0");
1.68 kristaps 1231:
1.273 schwarze 1232: term_word(p, "on success, and\\~>0 if an error occurs.");
1.224 kristaps 1233:
1.131 kristaps 1234: p->flags |= TERMP_SENTENCE;
1.68 kristaps 1235: return(0);
1.1 kristaps 1236: }
1237:
1238: static int
1239: termp_nd_pre(DECL_ARGS)
1240: {
1.25 kristaps 1241:
1.86 kristaps 1242: if (MDOC_BODY != n->type)
1.25 kristaps 1243: return(1);
1.30 kristaps 1244:
1.27 kristaps 1245: #if defined(__OpenBSD__) || defined(__linux__)
1.41 kristaps 1246: term_word(p, "\\(en");
1.23 kristaps 1247: #else
1248: term_word(p, "\\(em");
1249: #endif
1.1 kristaps 1250: return(1);
1.115 kristaps 1251: }
1252:
1253: static int
1254: termp_bl_pre(DECL_ARGS)
1255: {
1256:
1257: return(MDOC_HEAD != n->type);
1.1 kristaps 1258: }
1259:
1260: static void
1261: termp_bl_post(DECL_ARGS)
1262: {
1263:
1.86 kristaps 1264: if (MDOC_BLOCK == n->type)
1.1 kristaps 1265: term_newln(p);
1266: }
1267:
1268: static int
1269: termp_xr_pre(DECL_ARGS)
1270: {
1271:
1.225 kristaps 1272: if (NULL == (n = n->child))
1.113 kristaps 1273: return(0);
1274:
1.225 kristaps 1275: assert(MDOC_TEXT == n->type);
1276: term_word(p, n->string);
1.11 kristaps 1277:
1.264 schwarze 1278: if (NULL == (n = n->next))
1.1 kristaps 1279: return(0);
1.225 kristaps 1280:
1.1 kristaps 1281: p->flags |= TERMP_NOSPACE;
1282: term_word(p, "(");
1.222 kristaps 1283: p->flags |= TERMP_NOSPACE;
1.225 kristaps 1284:
1285: assert(MDOC_TEXT == n->type);
1286: term_word(p, n->string);
1287:
1.222 kristaps 1288: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1289: term_word(p, ")");
1.86 kristaps 1290:
1.1 kristaps 1291: return(0);
1292: }
1293:
1.143 kristaps 1294: /*
1295: * This decides how to assert whitespace before any of the SYNOPSIS set
1296: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1297: * macro combos).
1298: */
1299: static void
1300: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1301: {
1.264 schwarze 1302: /*
1.143 kristaps 1303: * Obviously, if we're not in a SYNOPSIS or no prior macros
1304: * exist, do nothing.
1305: */
1.160 kristaps 1306: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143 kristaps 1307: return;
1308:
1309: /*
1310: * If we're the second in a pair of like elements, emit our
1311: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1312: * case we soldier on.
1313: */
1.264 schwarze 1314: if (n->prev->tok == n->tok &&
1315: MDOC_Ft != n->tok &&
1316: MDOC_Fo != n->tok &&
1317: MDOC_Fn != n->tok) {
1.143 kristaps 1318: term_newln(p);
1319: return;
1320: }
1321:
1322: /*
1323: * If we're one of the SYNOPSIS set and non-like pair-wise after
1324: * another (or Fn/Fo, which we've let slip through) then assert
1325: * vertical space, else only newline and move on.
1326: */
1327: switch (n->prev->tok) {
1.264 schwarze 1328: case MDOC_Fd:
1.143 kristaps 1329: /* FALLTHROUGH */
1.264 schwarze 1330: case MDOC_Fn:
1.143 kristaps 1331: /* FALLTHROUGH */
1.264 schwarze 1332: case MDOC_Fo:
1.143 kristaps 1333: /* FALLTHROUGH */
1.264 schwarze 1334: case MDOC_In:
1.143 kristaps 1335: /* FALLTHROUGH */
1.264 schwarze 1336: case MDOC_Vt:
1.143 kristaps 1337: term_vspace(p);
1338: break;
1.264 schwarze 1339: case MDOC_Ft:
1.143 kristaps 1340: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1341: term_vspace(p);
1342: break;
1343: }
1344: /* FALLTHROUGH */
1345: default:
1346: term_newln(p);
1347: break;
1348: }
1349: }
1350:
1.110 kristaps 1351: static int
1352: termp_vt_pre(DECL_ARGS)
1353: {
1354:
1.143 kristaps 1355: if (MDOC_ELEM == n->type) {
1356: synopsis_pre(p, n);
1.245 schwarze 1357: return(termp_under_pre(p, pair, meta, n));
1.143 kristaps 1358: } else if (MDOC_BLOCK == n->type) {
1359: synopsis_pre(p, n);
1360: return(1);
1361: } else if (MDOC_HEAD == n->type)
1.110 kristaps 1362: return(0);
1363:
1.245 schwarze 1364: return(termp_under_pre(p, pair, meta, n));
1.110 kristaps 1365: }
1366:
1.1 kristaps 1367: static int
1.69 kristaps 1368: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1369: {
1370:
1.102 kristaps 1371: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1372: return(1);
1373: }
1374:
1.143 kristaps 1375: static int
1376: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1377: {
1378:
1.143 kristaps 1379: synopsis_pre(p, n);
1.245 schwarze 1380: return(termp_bold_pre(p, pair, meta, n));
1.1 kristaps 1381: }
1382:
1.241 schwarze 1383: static void
1384: termp_fd_post(DECL_ARGS)
1385: {
1386:
1387: term_newln(p);
1388: }
1389:
1.1 kristaps 1390: static int
1391: termp_sh_pre(DECL_ARGS)
1392: {
1.85 kristaps 1393:
1394: /* No vspace between consecutive `Sh' calls. */
1395:
1.86 kristaps 1396: switch (n->type) {
1.264 schwarze 1397: case MDOC_BLOCK:
1.86 kristaps 1398: if (n->prev && MDOC_Sh == n->prev->tok)
1399: if (NULL == n->prev->body->child)
1.65 kristaps 1400: break;
1401: term_vspace(p);
1402: break;
1.264 schwarze 1403: case MDOC_HEAD:
1.102 kristaps 1404: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1405: break;
1.264 schwarze 1406: case MDOC_BODY:
1.238 schwarze 1407: p->offset = term_len(p, p->defindent);
1.239 schwarze 1408: if (SEC_AUTHORS == n->sec)
1409: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1410: break;
1411: default:
1412: break;
1413: }
1414: return(1);
1415: }
1416:
1417: static void
1418: termp_sh_post(DECL_ARGS)
1419: {
1420:
1.86 kristaps 1421: switch (n->type) {
1.264 schwarze 1422: case MDOC_HEAD:
1.1 kristaps 1423: term_newln(p);
1424: break;
1.264 schwarze 1425: case MDOC_BODY:
1.1 kristaps 1426: term_newln(p);
1427: p->offset = 0;
1428: break;
1429: default:
1430: break;
1431: }
1432: }
1433:
1434: static int
1435: termp_bt_pre(DECL_ARGS)
1436: {
1437:
1438: term_word(p, "is currently in beta test.");
1.131 kristaps 1439: p->flags |= TERMP_SENTENCE;
1.81 kristaps 1440: return(0);
1.1 kristaps 1441: }
1442:
1443: static void
1444: termp_lb_post(DECL_ARGS)
1445: {
1446:
1.122 kristaps 1447: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81 kristaps 1448: term_newln(p);
1.1 kristaps 1449: }
1450:
1451: static int
1452: termp_ud_pre(DECL_ARGS)
1453: {
1454:
1455: term_word(p, "currently under development.");
1.131 kristaps 1456: p->flags |= TERMP_SENTENCE;
1.86 kristaps 1457: return(0);
1.1 kristaps 1458: }
1459:
1460: static int
1461: termp_d1_pre(DECL_ARGS)
1462: {
1463:
1.86 kristaps 1464: if (MDOC_BLOCK != n->type)
1.1 kristaps 1465: return(1);
1466: term_newln(p);
1.238 schwarze 1467: p->offset += term_len(p, p->defindent + 1);
1.1 kristaps 1468: return(1);
1469: }
1470:
1471: static int
1472: termp_ft_pre(DECL_ARGS)
1473: {
1474:
1.141 kristaps 1475: /* NB: MDOC_LINE does not effect this! */
1.143 kristaps 1476: synopsis_pre(p, n);
1.102 kristaps 1477: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1478: return(1);
1479: }
1480:
1481: static int
1482: termp_fn_pre(DECL_ARGS)
1483: {
1.257 schwarze 1484: size_t rmargin = 0;
1.226 kristaps 1485: int pretty;
1486:
1487: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1488:
1.143 kristaps 1489: synopsis_pre(p, n);
1.139 kristaps 1490:
1.226 kristaps 1491: if (NULL == (n = n->child))
1492: return(0);
1493:
1.251 schwarze 1494: if (pretty) {
1495: rmargin = p->rmargin;
1.257 schwarze 1496: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 1497: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251 schwarze 1498: }
1499:
1.226 kristaps 1500: assert(MDOC_TEXT == n->type);
1.102 kristaps 1501: term_fontpush(p, TERMFONT_BOLD);
1.226 kristaps 1502: term_word(p, n->string);
1.102 kristaps 1503: term_fontpop(p);
1.1 kristaps 1504:
1.251 schwarze 1505: if (pretty) {
1506: term_flushln(p);
1.263 schwarze 1507: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251 schwarze 1508: p->offset = p->rmargin;
1509: p->rmargin = rmargin;
1510: }
1511:
1.1 kristaps 1512: p->flags |= TERMP_NOSPACE;
1513: term_word(p, "(");
1.222 kristaps 1514: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1515:
1.226 kristaps 1516: for (n = n->next; n; n = n->next) {
1517: assert(MDOC_TEXT == n->type);
1.102 kristaps 1518: term_fontpush(p, TERMFONT_UNDER);
1.255 schwarze 1519: if (pretty)
1520: p->flags |= TERMP_NBRWORD;
1.226 kristaps 1521: term_word(p, n->string);
1.102 kristaps 1522: term_fontpop(p);
1523:
1.226 kristaps 1524: if (n->next) {
1.222 kristaps 1525: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1526: term_word(p, ",");
1.222 kristaps 1527: }
1.1 kristaps 1528: }
1529:
1.222 kristaps 1530: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1531: term_word(p, ")");
1532:
1.226 kristaps 1533: if (pretty) {
1.222 kristaps 1534: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1535: term_word(p, ";");
1.251 schwarze 1536: term_flushln(p);
1.222 kristaps 1537: }
1.1 kristaps 1538:
1539: return(0);
1540: }
1541:
1542: static int
1543: termp_fa_pre(DECL_ARGS)
1544: {
1.86 kristaps 1545: const struct mdoc_node *nn;
1.1 kristaps 1546:
1.86 kristaps 1547: if (n->parent->tok != MDOC_Fo) {
1.102 kristaps 1548: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1549: return(1);
1550: }
1551:
1.86 kristaps 1552: for (nn = n->child; nn; nn = nn->next) {
1.102 kristaps 1553: term_fontpush(p, TERMFONT_UNDER);
1.258 schwarze 1554: p->flags |= TERMP_NBRWORD;
1.86 kristaps 1555: term_word(p, nn->string);
1.102 kristaps 1556: term_fontpop(p);
1557:
1.256 schwarze 1558: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222 kristaps 1559: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1560: term_word(p, ",");
1.222 kristaps 1561: }
1.1 kristaps 1562: }
1563:
1564: return(0);
1565: }
1566:
1567: static int
1568: termp_bd_pre(DECL_ARGS)
1569: {
1.272 schwarze 1570: size_t tabwidth, lm, len, rm, rmax;
1.244 schwarze 1571: struct mdoc_node *nn;
1.1 kristaps 1572:
1.86 kristaps 1573: if (MDOC_BLOCK == n->type) {
1.151 kristaps 1574: print_bvspace(p, n, n);
1.54 kristaps 1575: return(1);
1.116 kristaps 1576: } else if (MDOC_HEAD == n->type)
1577: return(0);
1.1 kristaps 1578:
1.202 kristaps 1579: if (n->norm->Bd.offs)
1580: p->offset += a2offs(p, n->norm->Bd.offs);
1.85 kristaps 1581:
1582: /*
1583: * If -ragged or -filled are specified, the block does nothing
1584: * but change the indentation. If -unfilled or -literal are
1585: * specified, text is printed exactly as entered in the display:
1586: * for macro lines, a newline is appended to the line. Blank
1587: * lines are allowed.
1588: */
1.264 schwarze 1589:
1590: if (DISP_literal != n->norm->Bd.type &&
1.272 schwarze 1591: DISP_unfilled != n->norm->Bd.type &&
1592: DISP_centered != n->norm->Bd.type)
1.1 kristaps 1593: return(1);
1594:
1.129 schwarze 1595: tabwidth = p->tabwidth;
1.208 kristaps 1596: if (DISP_literal == n->norm->Bd.type)
1597: p->tabwidth = term_len(p, 8);
1598:
1.272 schwarze 1599: lm = p->offset;
1.119 kristaps 1600: rm = p->rmargin;
1601: rmax = p->maxrmargin;
1.120 kristaps 1602: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1603:
1.86 kristaps 1604: for (nn = n->child; nn; nn = nn->next) {
1.272 schwarze 1605: if (DISP_centered == n->norm->Bd.type) {
1606: if (MDOC_TEXT == nn->type) {
1607: len = term_strlen(p, nn->string);
1608: p->offset = len >= rm ? 0 :
1609: lm + len >= rm ? rm - len :
1610: (lm + rm - len) / 2;
1611: } else
1612: p->offset = lm;
1613: }
1.245 schwarze 1614: print_mdoc_node(p, pair, meta, nn);
1.190 kristaps 1615: /*
1616: * If the printed node flushes its own line, then we
1617: * needn't do it here as well. This is hacky, but the
1618: * notion of selective eoln whitespace is pretty dumb
1619: * anyway, so don't sweat it.
1620: */
1621: switch (nn->tok) {
1.264 schwarze 1622: case MDOC_Sm:
1.193 kristaps 1623: /* FALLTHROUGH */
1.264 schwarze 1624: case MDOC_br:
1.190 kristaps 1625: /* FALLTHROUGH */
1.264 schwarze 1626: case MDOC_sp:
1.190 kristaps 1627: /* FALLTHROUGH */
1.264 schwarze 1628: case MDOC_Bl:
1.196 kristaps 1629: /* FALLTHROUGH */
1.264 schwarze 1630: case MDOC_D1:
1.196 kristaps 1631: /* FALLTHROUGH */
1.264 schwarze 1632: case MDOC_Dl:
1.190 kristaps 1633: /* FALLTHROUGH */
1.264 schwarze 1634: case MDOC_Lp:
1.190 kristaps 1635: /* FALLTHROUGH */
1.264 schwarze 1636: case MDOC_Pp:
1.190 kristaps 1637: continue;
1638: default:
1639: break;
1640: }
1.180 schwarze 1641: if (nn->next && nn->next->line == nn->line)
1642: continue;
1643: term_flushln(p);
1644: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1645: }
1.147 kristaps 1646:
1.129 schwarze 1647: p->tabwidth = tabwidth;
1.119 kristaps 1648: p->rmargin = rm;
1649: p->maxrmargin = rmax;
1.1 kristaps 1650: return(0);
1651: }
1652:
1653: static void
1654: termp_bd_post(DECL_ARGS)
1655: {
1.119 kristaps 1656: size_t rm, rmax;
1.1 kristaps 1657:
1.264 schwarze 1658: if (MDOC_BODY != n->type)
1.1 kristaps 1659: return;
1.118 kristaps 1660:
1.119 kristaps 1661: rm = p->rmargin;
1662: rmax = p->maxrmargin;
1.118 kristaps 1663:
1.264 schwarze 1664: if (DISP_literal == n->norm->Bd.type ||
1665: DISP_unfilled == n->norm->Bd.type)
1.120 kristaps 1666: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1667:
1.60 kristaps 1668: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1669: term_newln(p);
1.118 kristaps 1670:
1.119 kristaps 1671: p->rmargin = rm;
1672: p->maxrmargin = rmax;
1.1 kristaps 1673: }
1674:
1.211 kristaps 1675: static int
1676: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1677: {
1678:
1.211 kristaps 1679: if (NULL != (n = n->child)) {
1680: term_word(p, n->string);
1681: p->flags |= TERMP_NOSPACE;
1682: term_word(p, "BSD");
1683: } else {
1684: term_word(p, "BSD");
1685: return(0);
1686: }
1687:
1688: if (NULL != (n = n->next)) {
1689: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1690: term_word(p, "-");
1.1 kristaps 1691: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1692: term_word(p, n->string);
1.211 kristaps 1693: }
1694:
1695: return(0);
1.1 kristaps 1696: }
1697:
1698: static int
1.26 kristaps 1699: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1700: {
1.26 kristaps 1701: const char *pp;
1.218 schwarze 1702: int flags;
1.1 kristaps 1703:
1.26 kristaps 1704: pp = NULL;
1.86 kristaps 1705: switch (n->tok) {
1.264 schwarze 1706: case MDOC_Bsx:
1.194 schwarze 1707: pp = "BSD/OS";
1.26 kristaps 1708: break;
1.264 schwarze 1709: case MDOC_Dx:
1.100 kristaps 1710: pp = "DragonFly";
1.26 kristaps 1711: break;
1.264 schwarze 1712: case MDOC_Fx:
1.26 kristaps 1713: pp = "FreeBSD";
1714: break;
1.264 schwarze 1715: case MDOC_Nx:
1.26 kristaps 1716: pp = "NetBSD";
1717: break;
1.264 schwarze 1718: case MDOC_Ox:
1.26 kristaps 1719: pp = "OpenBSD";
1720: break;
1.264 schwarze 1721: case MDOC_Ux:
1.26 kristaps 1722: pp = "UNIX";
1723: break;
1724: default:
1.246 schwarze 1725: abort();
1726: /* NOTREACHED */
1.26 kristaps 1727: }
1.1 kristaps 1728:
1.26 kristaps 1729: term_word(p, pp);
1.214 kristaps 1730: if (n->child) {
1.218 schwarze 1731: flags = p->flags;
1.214 kristaps 1732: p->flags |= TERMP_KEEP;
1733: term_word(p, n->child->string);
1.218 schwarze 1734: p->flags = flags;
1.214 kristaps 1735: }
1736: return(0);
1.1 kristaps 1737: }
1738:
1739: static void
1740: termp_pf_post(DECL_ARGS)
1741: {
1742:
1743: p->flags |= TERMP_NOSPACE;
1744: }
1745:
1746: static int
1747: termp_ss_pre(DECL_ARGS)
1748: {
1749:
1.86 kristaps 1750: switch (n->type) {
1.264 schwarze 1751: case MDOC_BLOCK:
1.1 kristaps 1752: term_newln(p);
1.86 kristaps 1753: if (n->prev)
1.1 kristaps 1754: term_vspace(p);
1755: break;
1.264 schwarze 1756: case MDOC_HEAD:
1.102 kristaps 1757: term_fontpush(p, TERMFONT_BOLD);
1.238 schwarze 1758: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1759: break;
1.274 schwarze 1760: case MDOC_BODY:
1761: p->offset = term_len(p, p->defindent);
1762: break;
1.1 kristaps 1763: default:
1764: break;
1765: }
1766:
1767: return(1);
1768: }
1769:
1770: static void
1771: termp_ss_post(DECL_ARGS)
1772: {
1773:
1.274 schwarze 1774: if (n->type == MDOC_HEAD || n->type == MDOC_BODY)
1.1 kristaps 1775: term_newln(p);
1776: }
1777:
1778: static int
1779: termp_cd_pre(DECL_ARGS)
1780: {
1781:
1.143 kristaps 1782: synopsis_pre(p, n);
1.102 kristaps 1783: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1784: return(1);
1785: }
1786:
1787: static int
1788: termp_in_pre(DECL_ARGS)
1789: {
1.142 schwarze 1790:
1.143 kristaps 1791: synopsis_pre(p, n);
1.1 kristaps 1792:
1.160 kristaps 1793: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138 kristaps 1794: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1795: term_word(p, "#include");
1.138 kristaps 1796: term_word(p, "<");
1797: } else {
1798: term_word(p, "<");
1799: term_fontpush(p, TERMFONT_UNDER);
1800: }
1.22 kristaps 1801:
1.1 kristaps 1802: p->flags |= TERMP_NOSPACE;
1803: return(1);
1804: }
1805:
1806: static void
1807: termp_in_post(DECL_ARGS)
1808: {
1809:
1.160 kristaps 1810: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1811: term_fontpush(p, TERMFONT_BOLD);
1812:
1.79 kristaps 1813: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1814: term_word(p, ">");
1815:
1.160 kristaps 1816: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1817: term_fontpop(p);
1.1 kristaps 1818: }
1819:
1820: static int
1.45 kristaps 1821: termp_sp_pre(DECL_ARGS)
1822: {
1.91 kristaps 1823: size_t i, len;
1.45 kristaps 1824:
1.86 kristaps 1825: switch (n->tok) {
1.264 schwarze 1826: case MDOC_sp:
1.157 kristaps 1827: len = n->child ? a2height(p, n->child->string) : 1;
1.76 kristaps 1828: break;
1.264 schwarze 1829: case MDOC_br:
1.76 kristaps 1830: len = 0;
1831: break;
1832: default:
1833: len = 1;
1834: break;
1.45 kristaps 1835: }
1836:
1837: if (0 == len)
1838: term_newln(p);
1839: for (i = 0; i < len; i++)
1840: term_vspace(p);
1841:
1842: return(0);
1843: }
1844:
1845: static int
1.268 schwarze 1846: termp_es_pre(DECL_ARGS)
1847: {
1848:
1849: return(0);
1850: }
1851:
1852: static int
1.188 kristaps 1853: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1854: {
1855:
1.203 kristaps 1856: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1857: return(1);
1858:
1.188 kristaps 1859: switch (n->tok) {
1.264 schwarze 1860: case MDOC_Ao:
1.188 kristaps 1861: /* FALLTHROUGH */
1.264 schwarze 1862: case MDOC_Aq:
1.188 kristaps 1863: term_word(p, "<");
1864: break;
1.264 schwarze 1865: case MDOC_Bro:
1.188 kristaps 1866: /* FALLTHROUGH */
1.264 schwarze 1867: case MDOC_Brq:
1.188 kristaps 1868: term_word(p, "{");
1869: break;
1.264 schwarze 1870: case MDOC_Oo:
1.188 kristaps 1871: /* FALLTHROUGH */
1.264 schwarze 1872: case MDOC_Op:
1.188 kristaps 1873: /* FALLTHROUGH */
1.264 schwarze 1874: case MDOC_Bo:
1.188 kristaps 1875: /* FALLTHROUGH */
1.264 schwarze 1876: case MDOC_Bq:
1.188 kristaps 1877: term_word(p, "[");
1878: break;
1.264 schwarze 1879: case MDOC_Do:
1.188 kristaps 1880: /* FALLTHROUGH */
1.264 schwarze 1881: case MDOC_Dq:
1.249 schwarze 1882: term_word(p, "\\(lq");
1.188 kristaps 1883: break;
1.268 schwarze 1884: case MDOC_En:
1885: if (NULL == n->norm->Es ||
1886: NULL == n->norm->Es->child)
1887: return(1);
1888: term_word(p, n->norm->Es->child->string);
1889: break;
1.264 schwarze 1890: case MDOC_Eo:
1.237 schwarze 1891: break;
1.264 schwarze 1892: case MDOC_Po:
1.188 kristaps 1893: /* FALLTHROUGH */
1.264 schwarze 1894: case MDOC_Pq:
1.188 kristaps 1895: term_word(p, "(");
1896: break;
1.264 schwarze 1897: case MDOC__T:
1.205 kristaps 1898: /* FALLTHROUGH */
1.264 schwarze 1899: case MDOC_Qo:
1.188 kristaps 1900: /* FALLTHROUGH */
1.264 schwarze 1901: case MDOC_Qq:
1.188 kristaps 1902: term_word(p, "\"");
1903: break;
1.264 schwarze 1904: case MDOC_Ql:
1.188 kristaps 1905: /* FALLTHROUGH */
1.264 schwarze 1906: case MDOC_So:
1.188 kristaps 1907: /* FALLTHROUGH */
1.264 schwarze 1908: case MDOC_Sq:
1.249 schwarze 1909: term_word(p, "\\(oq");
1.188 kristaps 1910: break;
1911: default:
1912: abort();
1913: /* NOTREACHED */
1914: }
1.1 kristaps 1915:
1916: p->flags |= TERMP_NOSPACE;
1917: return(1);
1918: }
1919:
1920: static void
1.188 kristaps 1921: termp_quote_post(DECL_ARGS)
1.1 kristaps 1922: {
1923:
1.203 kristaps 1924: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1925: return;
1926:
1.268 schwarze 1927: if (MDOC_En != n->tok)
1928: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1929:
1.188 kristaps 1930: switch (n->tok) {
1.264 schwarze 1931: case MDOC_Ao:
1.188 kristaps 1932: /* FALLTHROUGH */
1.264 schwarze 1933: case MDOC_Aq:
1.188 kristaps 1934: term_word(p, ">");
1935: break;
1.264 schwarze 1936: case MDOC_Bro:
1.188 kristaps 1937: /* FALLTHROUGH */
1.264 schwarze 1938: case MDOC_Brq:
1.188 kristaps 1939: term_word(p, "}");
1940: break;
1.264 schwarze 1941: case MDOC_Oo:
1.188 kristaps 1942: /* FALLTHROUGH */
1.264 schwarze 1943: case MDOC_Op:
1.188 kristaps 1944: /* FALLTHROUGH */
1.264 schwarze 1945: case MDOC_Bo:
1.188 kristaps 1946: /* FALLTHROUGH */
1.264 schwarze 1947: case MDOC_Bq:
1.188 kristaps 1948: term_word(p, "]");
1949: break;
1.264 schwarze 1950: case MDOC_Do:
1.188 kristaps 1951: /* FALLTHROUGH */
1.264 schwarze 1952: case MDOC_Dq:
1.249 schwarze 1953: term_word(p, "\\(rq");
1.268 schwarze 1954: break;
1955: case MDOC_En:
1956: if (NULL != n->norm->Es &&
1957: NULL != n->norm->Es->child &&
1958: NULL != n->norm->Es->child->next) {
1959: p->flags |= TERMP_NOSPACE;
1960: term_word(p, n->norm->Es->child->next->string);
1961: }
1.237 schwarze 1962: break;
1.264 schwarze 1963: case MDOC_Eo:
1.188 kristaps 1964: break;
1.264 schwarze 1965: case MDOC_Po:
1.188 kristaps 1966: /* FALLTHROUGH */
1.264 schwarze 1967: case MDOC_Pq:
1.188 kristaps 1968: term_word(p, ")");
1969: break;
1.264 schwarze 1970: case MDOC__T:
1.205 kristaps 1971: /* FALLTHROUGH */
1.264 schwarze 1972: case MDOC_Qo:
1.188 kristaps 1973: /* FALLTHROUGH */
1.264 schwarze 1974: case MDOC_Qq:
1.188 kristaps 1975: term_word(p, "\"");
1976: break;
1.264 schwarze 1977: case MDOC_Ql:
1.188 kristaps 1978: /* FALLTHROUGH */
1.264 schwarze 1979: case MDOC_So:
1.188 kristaps 1980: /* FALLTHROUGH */
1.264 schwarze 1981: case MDOC_Sq:
1.249 schwarze 1982: term_word(p, "\\(cq");
1.188 kristaps 1983: break;
1984: default:
1985: abort();
1986: /* NOTREACHED */
1987: }
1.1 kristaps 1988: }
1989:
1990: static int
1991: termp_fo_pre(DECL_ARGS)
1992: {
1.257 schwarze 1993: size_t rmargin = 0;
1.256 schwarze 1994: int pretty;
1995:
1996: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1997:
1.141 kristaps 1998: if (MDOC_BLOCK == n->type) {
1.143 kristaps 1999: synopsis_pre(p, n);
1.141 kristaps 2000: return(1);
2001: } else if (MDOC_BODY == n->type) {
1.256 schwarze 2002: if (pretty) {
2003: rmargin = p->rmargin;
1.257 schwarze 2004: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 2005: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
2006: TERMP_HANG;
1.256 schwarze 2007: }
1.33 kristaps 2008: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2009: term_word(p, "(");
1.222 kristaps 2010: p->flags |= TERMP_NOSPACE;
1.256 schwarze 2011: if (pretty) {
2012: term_flushln(p);
1.263 schwarze 2013: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
2014: TERMP_HANG);
1.256 schwarze 2015: p->offset = p->rmargin;
2016: p->rmargin = rmargin;
2017: }
1.1 kristaps 2018: return(1);
1.256 schwarze 2019: }
1.141 kristaps 2020:
1.169 kristaps 2021: if (NULL == n->child)
2022: return(0);
2023:
1.141 kristaps 2024: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2025:
1.141 kristaps 2026: assert(n->child->string);
1.102 kristaps 2027: term_fontpush(p, TERMFONT_BOLD);
1.141 kristaps 2028: term_word(p, n->child->string);
1.1 kristaps 2029: return(0);
2030: }
2031:
2032: static void
2033: termp_fo_post(DECL_ARGS)
2034: {
2035:
1.264 schwarze 2036: if (MDOC_BODY != n->type)
1.143 kristaps 2037: return;
2038:
1.222 kristaps 2039: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2040: term_word(p, ")");
2041:
1.222 kristaps 2042: if (MDOC_SYNPRETTY & n->flags) {
2043: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2044: term_word(p, ";");
1.256 schwarze 2045: term_flushln(p);
1.222 kristaps 2046: }
1.1 kristaps 2047: }
2048:
2049: static int
2050: termp_bf_pre(DECL_ARGS)
2051: {
2052:
1.86 kristaps 2053: if (MDOC_HEAD == n->type)
1.1 kristaps 2054: return(0);
1.244 schwarze 2055: else if (MDOC_BODY != n->type)
1.1 kristaps 2056: return(1);
2057:
1.264 schwarze 2058: if (FONT_Em == n->norm->Bf.font)
1.102 kristaps 2059: term_fontpush(p, TERMFONT_UNDER);
1.264 schwarze 2060: else if (FONT_Sy == n->norm->Bf.font)
1.102 kristaps 2061: term_fontpush(p, TERMFONT_BOLD);
1.264 schwarze 2062: else
1.102 kristaps 2063: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2064:
2065: return(1);
2066: }
2067:
2068: static int
2069: termp_sm_pre(DECL_ARGS)
2070: {
2071:
1.269 schwarze 2072: if (NULL == n->child)
2073: p->flags ^= TERMP_NONOSPACE;
2074: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 2075: p->flags &= ~TERMP_NONOSPACE;
1.269 schwarze 2076: else
1.1 kristaps 2077: p->flags |= TERMP_NONOSPACE;
1.269 schwarze 2078:
2079: if (p->col && ! (TERMP_NONOSPACE & p->flags))
2080: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2081:
2082: return(0);
2083: }
2084:
2085: static int
2086: termp_ap_pre(DECL_ARGS)
2087: {
2088:
2089: p->flags |= TERMP_NOSPACE;
1.188 kristaps 2090: term_word(p, "'");
1.1 kristaps 2091: p->flags |= TERMP_NOSPACE;
2092: return(1);
2093: }
2094:
2095: static void
2096: termp____post(DECL_ARGS)
2097: {
1.184 kristaps 2098:
2099: /*
2100: * Handle lists of authors. In general, print each followed by
2101: * a comma. Don't print the comma if there are only two
2102: * authors.
2103: */
2104: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2105: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2106: if (NULL == n->prev || MDOC__A != n->prev->tok)
2107: return;
1.1 kristaps 2108:
1.95 kristaps 2109: /* TODO: %U. */
2110:
1.187 kristaps 2111: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2112: return;
2113:
1.222 kristaps 2114: p->flags |= TERMP_NOSPACE;
1.186 kristaps 2115: if (NULL == n->next) {
2116: term_word(p, ".");
2117: p->flags |= TERMP_SENTENCE;
2118: } else
2119: term_word(p, ",");
1.1 kristaps 2120: }
2121:
2122: static int
1.102 kristaps 2123: termp_li_pre(DECL_ARGS)
2124: {
2125:
2126: term_fontpush(p, TERMFONT_NONE);
2127: return(1);
2128: }
2129:
2130: static int
1.1 kristaps 2131: termp_lk_pre(DECL_ARGS)
2132: {
1.240 schwarze 2133: const struct mdoc_node *link, *descr;
1.1 kristaps 2134:
1.240 schwarze 2135: if (NULL == (link = n->child))
2136: return(0);
1.181 kristaps 2137:
1.240 schwarze 2138: if (NULL != (descr = link->next)) {
2139: term_fontpush(p, TERMFONT_UNDER);
2140: while (NULL != descr) {
2141: term_word(p, descr->string);
2142: descr = descr->next;
2143: }
2144: p->flags |= TERMP_NOSPACE;
2145: term_word(p, ":");
2146: term_fontpop(p);
2147: }
1.1 kristaps 2148:
1.102 kristaps 2149: term_fontpush(p, TERMFONT_BOLD);
1.240 schwarze 2150: term_word(p, link->string);
1.102 kristaps 2151: term_fontpop(p);
1.12 kristaps 2152:
1.1 kristaps 2153: return(0);
2154: }
2155:
1.159 schwarze 2156: static int
2157: termp_bk_pre(DECL_ARGS)
2158: {
2159:
1.161 schwarze 2160: switch (n->type) {
1.264 schwarze 2161: case MDOC_BLOCK:
1.166 kristaps 2162: break;
1.264 schwarze 2163: case MDOC_HEAD:
1.161 schwarze 2164: return(0);
1.264 schwarze 2165: case MDOC_BODY:
1.200 schwarze 2166: if (n->parent->args || 0 == n->prev->nchild)
2167: p->flags |= TERMP_PREKEEP;
1.166 kristaps 2168: break;
1.161 schwarze 2169: default:
2170: abort();
1.166 kristaps 2171: /* NOTREACHED */
1.161 schwarze 2172: }
1.166 kristaps 2173:
2174: return(1);
1.159 schwarze 2175: }
2176:
2177: static void
2178: termp_bk_post(DECL_ARGS)
2179: {
2180:
1.253 schwarze 2181: if (MDOC_BODY == n->type)
1.161 schwarze 2182: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203 kristaps 2183: }
2184:
2185: static void
2186: termp__t_post(DECL_ARGS)
2187: {
2188:
2189: /*
2190: * If we're in an `Rs' and there's a journal present, then quote
2191: * us instead of underlining us (for disambiguation).
2192: */
1.217 schwarze 2193: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2194: n->parent->norm->Rs.quote_T)
1.245 schwarze 2195: termp_quote_post(p, pair, meta, n);
1.203 kristaps 2196:
1.245 schwarze 2197: termp____post(p, pair, meta, n);
1.203 kristaps 2198: }
2199:
2200: static int
2201: termp__t_pre(DECL_ARGS)
2202: {
2203:
2204: /*
2205: * If we're in an `Rs' and there's a journal present, then quote
2206: * us instead of underlining us (for disambiguation).
2207: */
2208: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2209: n->parent->norm->Rs.quote_T)
1.245 schwarze 2210: return(termp_quote_pre(p, pair, meta, n));
1.203 kristaps 2211:
2212: term_fontpush(p, TERMFONT_UNDER);
2213: return(1);
1.159 schwarze 2214: }
1.1 kristaps 2215:
2216: static int
1.69 kristaps 2217: termp_under_pre(DECL_ARGS)
1.1 kristaps 2218: {
2219:
1.102 kristaps 2220: term_fontpush(p, TERMFONT_UNDER);
1.84 kristaps 2221: return(1);
2222: }
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