Annotation of mandoc/mdoc_term.c, Revision 1.265
1.265 ! schwarze 1: /* $Id: mdoc_term.c,v 1.264 2014/04/20 16:46:05 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: #ifdef HAVE_CONFIG_H
20: #include "config.h"
21: #endif
22:
1.1 kristaps 23: #include <sys/types.h>
24:
25: #include <assert.h>
26: #include <ctype.h>
1.118 kristaps 27: #include <stdint.h>
1.1 kristaps 28: #include <stdio.h>
29: #include <stdlib.h>
30: #include <string.h>
31:
1.125 kristaps 32: #include "mandoc.h"
1.92 kristaps 33: #include "out.h"
1.1 kristaps 34: #include "term.h"
35: #include "mdoc.h"
1.89 kristaps 36: #include "main.h"
1.1 kristaps 37:
38: struct termpair {
39: struct termpair *ppair;
1.31 kristaps 40: int count;
1.1 kristaps 41: };
42:
1.31 kristaps 43: #define DECL_ARGS struct termp *p, \
44: struct termpair *pair, \
1.264 schwarze 45: const struct mdoc_meta *meta, \
1.244 schwarze 46: struct mdoc_node *n
1.1 kristaps 47:
48: struct termact {
49: int (*pre)(DECL_ARGS);
50: void (*post)(DECL_ARGS);
51: };
52:
1.157 kristaps 53: static size_t a2width(const struct termp *, const char *);
54: static size_t a2height(const struct termp *, const char *);
55: static size_t a2offs(const struct termp *, const char *);
1.96 kristaps 56:
57: static void print_bvspace(struct termp *,
1.151 kristaps 58: const struct mdoc_node *,
1.96 kristaps 59: const struct mdoc_node *);
1.264 schwarze 60: static void print_mdoc_node(DECL_ARGS);
1.145 kristaps 61: static void print_mdoc_nodelist(DECL_ARGS);
1.144 kristaps 62: static void print_mdoc_head(struct termp *, const void *);
1.145 kristaps 63: static void print_mdoc_foot(struct termp *, const void *);
1.264 schwarze 64: static void synopsis_pre(struct termp *,
1.143 kristaps 65: const struct mdoc_node *);
1.96 kristaps 66:
1.31 kristaps 67: static void termp____post(DECL_ARGS);
1.203 kristaps 68: static void termp__t_post(DECL_ARGS);
1.61 kristaps 69: static void termp_an_post(DECL_ARGS);
1.31 kristaps 70: static void termp_bd_post(DECL_ARGS);
1.159 schwarze 71: static void termp_bk_post(DECL_ARGS);
1.31 kristaps 72: static void termp_bl_post(DECL_ARGS);
1.241 schwarze 73: static void termp_fd_post(DECL_ARGS);
1.31 kristaps 74: static void termp_fo_post(DECL_ARGS);
75: static void termp_in_post(DECL_ARGS);
76: static void termp_it_post(DECL_ARGS);
77: static void termp_lb_post(DECL_ARGS);
1.164 schwarze 78: static void termp_nm_post(DECL_ARGS);
1.31 kristaps 79: static void termp_pf_post(DECL_ARGS);
1.188 kristaps 80: static void termp_quote_post(DECL_ARGS);
1.31 kristaps 81: static void termp_sh_post(DECL_ARGS);
82: static void termp_ss_post(DECL_ARGS);
83:
1.184 kristaps 84: static int termp__a_pre(DECL_ARGS);
1.203 kristaps 85: static int termp__t_pre(DECL_ARGS);
1.61 kristaps 86: static int termp_an_pre(DECL_ARGS);
1.31 kristaps 87: static int termp_ap_pre(DECL_ARGS);
88: static int termp_bd_pre(DECL_ARGS);
89: static int termp_bf_pre(DECL_ARGS);
1.159 schwarze 90: static int termp_bk_pre(DECL_ARGS);
1.115 kristaps 91: static int termp_bl_pre(DECL_ARGS);
1.69 kristaps 92: static int termp_bold_pre(DECL_ARGS);
1.31 kristaps 93: static int termp_bt_pre(DECL_ARGS);
1.211 kristaps 94: static int termp_bx_pre(DECL_ARGS);
1.31 kristaps 95: static int termp_cd_pre(DECL_ARGS);
96: static int termp_d1_pre(DECL_ARGS);
97: static int termp_ex_pre(DECL_ARGS);
98: static int termp_fa_pre(DECL_ARGS);
1.188 kristaps 99: static int termp_fd_pre(DECL_ARGS);
1.31 kristaps 100: static int termp_fl_pre(DECL_ARGS);
101: static int termp_fn_pre(DECL_ARGS);
102: static int termp_fo_pre(DECL_ARGS);
103: static int termp_ft_pre(DECL_ARGS);
104: static int termp_in_pre(DECL_ARGS);
105: static int termp_it_pre(DECL_ARGS);
1.102 kristaps 106: static int termp_li_pre(DECL_ARGS);
1.260 schwarze 107: static int termp_ll_pre(DECL_ARGS);
1.31 kristaps 108: static int termp_lk_pre(DECL_ARGS);
109: static int termp_nd_pre(DECL_ARGS);
110: static int termp_nm_pre(DECL_ARGS);
111: static int termp_ns_pre(DECL_ARGS);
1.188 kristaps 112: static int termp_quote_pre(DECL_ARGS);
1.31 kristaps 113: static int termp_rs_pre(DECL_ARGS);
114: static int termp_rv_pre(DECL_ARGS);
115: static int termp_sh_pre(DECL_ARGS);
116: static int termp_sm_pre(DECL_ARGS);
1.45 kristaps 117: static int termp_sp_pre(DECL_ARGS);
1.31 kristaps 118: static int termp_ss_pre(DECL_ARGS);
1.69 kristaps 119: static int termp_under_pre(DECL_ARGS);
1.31 kristaps 120: static int termp_ud_pre(DECL_ARGS);
1.110 kristaps 121: static int termp_vt_pre(DECL_ARGS);
1.31 kristaps 122: static int termp_xr_pre(DECL_ARGS);
123: static int termp_xx_pre(DECL_ARGS);
124:
1.70 kristaps 125: static const struct termact termacts[MDOC_MAX] = {
1.14 kristaps 126: { termp_ap_pre, NULL }, /* Ap */
1.1 kristaps 127: { NULL, NULL }, /* Dd */
128: { NULL, NULL }, /* Dt */
129: { NULL, NULL }, /* Os */
130: { termp_sh_pre, termp_sh_post }, /* Sh */
1.264 schwarze 131: { termp_ss_pre, termp_ss_post }, /* Ss */
132: { termp_sp_pre, NULL }, /* Pp */
1.241 schwarze 133: { termp_d1_pre, termp_bl_post }, /* D1 */
134: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 135: { termp_bd_pre, termp_bd_post }, /* Bd */
136: { NULL, NULL }, /* Ed */
1.115 kristaps 137: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 138: { NULL, NULL }, /* El */
139: { termp_it_pre, termp_it_post }, /* It */
1.264 schwarze 140: { termp_under_pre, NULL }, /* Ad */
1.61 kristaps 141: { termp_an_pre, termp_an_post }, /* An */
1.69 kristaps 142: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 143: { termp_cd_pre, NULL }, /* Cd */
1.69 kristaps 144: { termp_bold_pre, NULL }, /* Cm */
1.264 schwarze 145: { NULL, NULL }, /* Dv */
146: { NULL, NULL }, /* Er */
147: { NULL, NULL }, /* Ev */
1.1 kristaps 148: { termp_ex_pre, NULL }, /* Ex */
1.264 schwarze 149: { termp_fa_pre, NULL }, /* Fa */
150: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 151: { termp_fl_pre, NULL }, /* Fl */
1.264 schwarze 152: { termp_fn_pre, NULL }, /* Fn */
153: { termp_ft_pre, NULL }, /* Ft */
154: { termp_bold_pre, NULL }, /* Ic */
155: { termp_in_pre, termp_in_post }, /* In */
1.102 kristaps 156: { termp_li_pre, NULL }, /* Li */
1.264 schwarze 157: { termp_nd_pre, NULL }, /* Nd */
158: { termp_nm_pre, termp_nm_post }, /* Nm */
1.188 kristaps 159: { termp_quote_pre, termp_quote_post }, /* Op */
1.1 kristaps 160: { NULL, NULL }, /* Ot */
1.69 kristaps 161: { termp_under_pre, NULL }, /* Pa */
1.1 kristaps 162: { termp_rv_pre, NULL }, /* Rv */
1.264 schwarze 163: { NULL, NULL }, /* St */
1.69 kristaps 164: { termp_under_pre, NULL }, /* Va */
1.143 kristaps 165: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 166: { termp_xr_pre, NULL }, /* Xr */
1.184 kristaps 167: { termp__a_pre, termp____post }, /* %A */
1.84 kristaps 168: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 169: { NULL, termp____post }, /* %D */
1.84 kristaps 170: { termp_under_pre, termp____post }, /* %I */
1.69 kristaps 171: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 172: { NULL, termp____post }, /* %N */
173: { NULL, termp____post }, /* %O */
174: { NULL, termp____post }, /* %P */
175: { NULL, termp____post }, /* %R */
1.203 kristaps 176: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 177: { NULL, termp____post }, /* %V */
178: { NULL, NULL }, /* Ac */
1.188 kristaps 179: { termp_quote_pre, termp_quote_post }, /* Ao */
180: { termp_quote_pre, termp_quote_post }, /* Aq */
1.35 kristaps 181: { NULL, NULL }, /* At */
1.1 kristaps 182: { NULL, NULL }, /* Bc */
1.264 schwarze 183: { termp_bf_pre, NULL }, /* Bf */
1.188 kristaps 184: { termp_quote_pre, termp_quote_post }, /* Bo */
185: { termp_quote_pre, termp_quote_post }, /* Bq */
1.26 kristaps 186: { termp_xx_pre, NULL }, /* Bsx */
1.211 kristaps 187: { termp_bx_pre, NULL }, /* Bx */
1.1 kristaps 188: { NULL, NULL }, /* Db */
189: { NULL, NULL }, /* Dc */
1.188 kristaps 190: { termp_quote_pre, termp_quote_post }, /* Do */
191: { termp_quote_pre, termp_quote_post }, /* Dq */
1.112 kristaps 192: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 193: { NULL, NULL }, /* Ef */
1.264 schwarze 194: { termp_under_pre, NULL }, /* Em */
1.237 schwarze 195: { termp_quote_pre, termp_quote_post }, /* Eo */
1.26 kristaps 196: { termp_xx_pre, NULL }, /* Fx */
1.176 kristaps 197: { termp_bold_pre, NULL }, /* Ms */
1.254 schwarze 198: { NULL, NULL }, /* No */
1.1 kristaps 199: { termp_ns_pre, NULL }, /* Ns */
1.26 kristaps 200: { termp_xx_pre, NULL }, /* Nx */
201: { termp_xx_pre, NULL }, /* Ox */
1.1 kristaps 202: { NULL, NULL }, /* Pc */
1.254 schwarze 203: { NULL, termp_pf_post }, /* Pf */
1.188 kristaps 204: { termp_quote_pre, termp_quote_post }, /* Po */
205: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 206: { NULL, NULL }, /* Qc */
1.188 kristaps 207: { termp_quote_pre, termp_quote_post }, /* Ql */
208: { termp_quote_pre, termp_quote_post }, /* Qo */
209: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 210: { NULL, NULL }, /* Re */
211: { termp_rs_pre, NULL }, /* Rs */
212: { NULL, NULL }, /* Sc */
1.188 kristaps 213: { termp_quote_pre, termp_quote_post }, /* So */
214: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 215: { termp_sm_pre, NULL }, /* Sm */
1.69 kristaps 216: { termp_under_pre, NULL }, /* Sx */
217: { termp_bold_pre, NULL }, /* Sy */
1.1 kristaps 218: { NULL, NULL }, /* Tn */
1.26 kristaps 219: { termp_xx_pre, NULL }, /* Ux */
1.1 kristaps 220: { NULL, NULL }, /* Xc */
221: { NULL, NULL }, /* Xo */
1.264 schwarze 222: { termp_fo_pre, termp_fo_post }, /* Fo */
223: { NULL, NULL }, /* Fc */
1.188 kristaps 224: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 225: { NULL, NULL }, /* Oc */
1.159 schwarze 226: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 227: { NULL, NULL }, /* Ek */
228: { termp_bt_pre, NULL }, /* Bt */
229: { NULL, NULL }, /* Hf */
230: { NULL, NULL }, /* Fr */
231: { termp_ud_pre, NULL }, /* Ud */
1.37 kristaps 232: { NULL, termp_lb_post }, /* Lb */
1.264 schwarze 233: { termp_sp_pre, NULL }, /* Lp */
234: { termp_lk_pre, NULL }, /* Lk */
235: { termp_under_pre, NULL }, /* Mt */
236: { termp_quote_pre, termp_quote_post }, /* Brq */
237: { termp_quote_pre, termp_quote_post }, /* Bro */
238: { NULL, NULL }, /* Brc */
239: { NULL, termp____post }, /* %C */
1.81 kristaps 240: { NULL, NULL }, /* Es */ /* TODO */
241: { NULL, NULL }, /* En */ /* TODO */
1.264 schwarze 242: { termp_xx_pre, NULL }, /* Dx */
243: { NULL, termp____post }, /* %Q */
1.76 kristaps 244: { termp_sp_pre, NULL }, /* br */
1.264 schwarze 245: { termp_sp_pre, NULL }, /* sp */
246: { NULL, termp____post }, /* %U */
247: { NULL, NULL }, /* Ta */
1.260 schwarze 248: { termp_ll_pre, NULL }, /* ll */
1.1 kristaps 249: };
250:
251:
1.70 kristaps 252: void
1.89 kristaps 253: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1 kristaps 254: {
1.70 kristaps 255: const struct mdoc_node *n;
1.245 schwarze 256: const struct mdoc_meta *meta;
1.89 kristaps 257: struct termp *p;
258:
259: p = (struct termp *)arg;
1.111 kristaps 260:
1.238 schwarze 261: if (0 == p->defindent)
262: p->defindent = 5;
263:
1.111 kristaps 264: p->overstep = 0;
1.123 joerg 265: p->maxrmargin = p->defrmargin;
1.157 kristaps 266: p->tabwidth = term_len(p, 5);
1.89 kristaps 267:
268: if (NULL == p->symtab)
1.230 kristaps 269: p->symtab = mchars_alloc();
1.70 kristaps 270:
271: n = mdoc_node(mdoc);
1.245 schwarze 272: meta = mdoc_meta(mdoc);
1.146 schwarze 273:
1.245 schwarze 274: term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
1.70 kristaps 275:
276: if (n->child)
1.245 schwarze 277: print_mdoc_nodelist(p, NULL, meta, n->child);
1.144 kristaps 278:
279: term_end(p);
1.1 kristaps 280: }
281:
1.3 kristaps 282: static void
1.102 kristaps 283: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 284: {
285:
1.245 schwarze 286: print_mdoc_node(p, pair, meta, n);
1.86 kristaps 287: if (n->next)
1.245 schwarze 288: print_mdoc_nodelist(p, pair, meta, n->next);
1.1 kristaps 289: }
290:
1.3 kristaps 291: static void
1.102 kristaps 292: print_mdoc_node(DECL_ARGS)
1.1 kristaps 293: {
1.102 kristaps 294: int chld;
1.1 kristaps 295: struct termpair npair;
1.30 kristaps 296: size_t offset, rmargin;
1.1 kristaps 297:
1.70 kristaps 298: chld = 1;
1.29 kristaps 299: offset = p->offset;
1.30 kristaps 300: rmargin = p->rmargin;
1.244 schwarze 301: n->prev_font = term_fontq(p);
1.29 kristaps 302:
1.97 kristaps 303: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 304: npair.ppair = pair;
1.172 kristaps 305:
306: /*
307: * Keeps only work until the end of a line. If a keep was
308: * invoked in a prior line, revert it to PREKEEP.
309: */
310:
1.253 schwarze 311: if (TERMP_KEEP & p->flags) {
1.252 schwarze 312: if (n->prev ? (n->prev->lastline != n->line) :
1.248 schwarze 313: (n->parent && n->parent->line != n->line)) {
1.172 kristaps 314: p->flags &= ~TERMP_KEEP;
315: p->flags |= TERMP_PREKEEP;
316: }
317: }
1.197 schwarze 318:
319: /*
1.217 schwarze 320: * After the keep flags have been set up, we may now
321: * produce output. Note that some pre-handlers do so.
322: */
323:
324: switch (n->type) {
1.264 schwarze 325: case MDOC_TEXT:
1.217 schwarze 326: if (' ' == *n->string && MDOC_LINE & n->flags)
327: term_newln(p);
1.222 kristaps 328: if (MDOC_DELIMC & n->flags)
329: p->flags |= TERMP_NOSPACE;
1.217 schwarze 330: term_word(p, n->string);
1.222 kristaps 331: if (MDOC_DELIMO & n->flags)
332: p->flags |= TERMP_NOSPACE;
1.217 schwarze 333: break;
1.264 schwarze 334: case MDOC_EQN:
1.233 kristaps 335: term_eqn(p, n->eqn);
1.217 schwarze 336: break;
1.264 schwarze 337: case MDOC_TBL:
1.217 schwarze 338: term_tbl(p, n->span);
339: break;
340: default:
341: if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
342: chld = (*termacts[n->tok].pre)
1.245 schwarze 343: (p, &npair, meta, n);
1.217 schwarze 344: break;
345: }
346:
1.86 kristaps 347: if (chld && n->child)
1.245 schwarze 348: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 349:
1.244 schwarze 350: term_fontpopq(p,
351: (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.46 kristaps 352:
1.206 kristaps 353: switch (n->type) {
1.264 schwarze 354: case MDOC_TEXT:
1.206 kristaps 355: break;
1.264 schwarze 356: case MDOC_TBL:
1.216 kristaps 357: break;
1.264 schwarze 358: case MDOC_EQN:
1.206 kristaps 359: break;
360: default:
361: if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
362: break;
1.245 schwarze 363: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162 schwarze 364:
365: /*
366: * Explicit end tokens not only call the post
367: * handler, but also tell the respective block
368: * that it must not call the post handler again.
369: */
1.165 kristaps 370: if (ENDBODY_NOT != n->end)
1.162 schwarze 371: n->pending->flags |= MDOC_ENDED;
372:
373: /*
374: * End of line terminating an implicit block
375: * while an explicit block is still open.
376: * Continue the explicit block without spacing.
377: */
378: if (ENDBODY_NOSPACE == n->end)
379: p->flags |= TERMP_NOSPACE;
1.206 kristaps 380: break;
1.162 schwarze 381: }
1.121 kristaps 382:
383: if (MDOC_EOS & n->flags)
384: p->flags |= TERMP_SENTENCE;
1.29 kristaps 385:
1.260 schwarze 386: if (MDOC_ll != n->tok) {
387: p->offset = offset;
388: p->rmargin = rmargin;
389: }
1.1 kristaps 390: }
391:
1.3 kristaps 392: static void
1.145 kristaps 393: print_mdoc_foot(struct termp *p, const void *arg)
1.1 kristaps 394: {
1.245 schwarze 395: const struct mdoc_meta *meta;
1.144 kristaps 396:
1.245 schwarze 397: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 398:
1.102 kristaps 399: term_fontrepl(p, TERMFONT_NONE);
1.101 kristaps 400:
1.264 schwarze 401: /*
1.9 kristaps 402: * Output the footer in new-groff style, that is, three columns
403: * with the middle being the manual date and flanking columns
404: * being the operating system:
405: *
406: * SYSTEM DATE SYSTEM
407: */
408:
1.1 kristaps 409: term_vspace(p);
410:
1.9 kristaps 411: p->offset = 0;
1.264 schwarze 412: p->rmargin = (p->maxrmargin -
413: term_strlen(p, meta->date) + term_len(p, 1)) / 2;
1.250 schwarze 414: p->trailspace = 1;
1.1 kristaps 415: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
416:
1.245 schwarze 417: term_word(p, meta->os);
1.1 kristaps 418: term_flushln(p);
419:
1.9 kristaps 420: p->offset = p->rmargin;
1.245 schwarze 421: p->rmargin = p->maxrmargin - term_strlen(p, meta->os);
1.234 schwarze 422: p->flags |= TERMP_NOSPACE;
1.9 kristaps 423:
1.245 schwarze 424: term_word(p, meta->date);
1.9 kristaps 425: term_flushln(p);
426:
1.1 kristaps 427: p->offset = p->rmargin;
428: p->rmargin = p->maxrmargin;
1.250 schwarze 429: p->trailspace = 0;
1.1 kristaps 430: p->flags &= ~TERMP_NOBREAK;
1.234 schwarze 431: p->flags |= TERMP_NOSPACE;
1.1 kristaps 432:
1.245 schwarze 433: term_word(p, meta->os);
1.1 kristaps 434: term_flushln(p);
435:
1.9 kristaps 436: p->offset = 0;
437: p->rmargin = p->maxrmargin;
438: p->flags = 0;
1.1 kristaps 439: }
440:
1.3 kristaps 441: static void
1.144 kristaps 442: print_mdoc_head(struct termp *p, const void *arg)
1.1 kristaps 443: {
1.98 kristaps 444: char buf[BUFSIZ], title[BUFSIZ];
1.235 schwarze 445: size_t buflen, titlen;
1.245 schwarze 446: const struct mdoc_meta *meta;
1.144 kristaps 447:
1.245 schwarze 448: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 449:
450: /*
451: * The header is strange. It has three components, which are
452: * really two with the first duplicated. It goes like this:
453: *
454: * IDENTIFIER TITLE IDENTIFIER
455: *
456: * The IDENTIFIER is NAME(SECTION), which is the command-name
457: * (if given, or "unknown" if not) followed by the manual page
458: * section. These are given in `Dt'. The TITLE is a free-form
459: * string depending on the manual volume. If not specified, it
460: * switches on the manual section.
461: */
462:
1.235 schwarze 463: p->offset = 0;
464: p->rmargin = p->maxrmargin;
465:
1.245 schwarze 466: assert(meta->vol);
467: strlcpy(buf, meta->vol, BUFSIZ);
1.235 schwarze 468: buflen = term_strlen(p, buf);
1.1 kristaps 469:
1.245 schwarze 470: if (meta->arch) {
1.98 kristaps 471: strlcat(buf, " (", BUFSIZ);
1.245 schwarze 472: strlcat(buf, meta->arch, BUFSIZ);
1.98 kristaps 473: strlcat(buf, ")", BUFSIZ);
1.1 kristaps 474: }
475:
1.245 schwarze 476: snprintf(title, BUFSIZ, "%s(%s)", meta->title, meta->msec);
1.235 schwarze 477: titlen = term_strlen(p, title);
1.1 kristaps 478:
1.235 schwarze 479: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250 schwarze 480: p->trailspace = 1;
1.1 kristaps 481: p->offset = 0;
1.235 schwarze 482: p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
483: (p->maxrmargin -
484: term_strlen(p, buf) + term_len(p, 1)) / 2 :
485: p->maxrmargin - buflen;
1.1 kristaps 486:
487: term_word(p, title);
488: term_flushln(p);
489:
1.235 schwarze 490: p->flags |= TERMP_NOSPACE;
1.1 kristaps 491: p->offset = p->rmargin;
1.235 schwarze 492: p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
493: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 494:
495: term_word(p, buf);
496: term_flushln(p);
497:
498: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 499: p->trailspace = 0;
1.235 schwarze 500: if (p->rmargin + titlen <= p->maxrmargin) {
501: p->flags |= TERMP_NOSPACE;
502: p->offset = p->rmargin;
503: p->rmargin = p->maxrmargin;
504: term_word(p, title);
505: term_flushln(p);
506: }
1.1 kristaps 507:
1.235 schwarze 508: p->flags &= ~TERMP_NOSPACE;
1.9 kristaps 509: p->offset = 0;
1.1 kristaps 510: p->rmargin = p->maxrmargin;
511: }
512:
513: static size_t
1.157 kristaps 514: a2height(const struct termp *p, const char *v)
1.1 kristaps 515: {
1.92 kristaps 516: struct roffsu su;
1.91 kristaps 517:
1.231 kristaps 518:
1.157 kristaps 519: assert(v);
520: if ( ! a2roffsu(v, &su, SCALE_VS))
1.231 kristaps 521: SCALE_VS_INIT(&su, atoi(v));
1.91 kristaps 522:
1.157 kristaps 523: return(term_vspan(p, &su));
1.91 kristaps 524: }
1.1 kristaps 525:
1.91 kristaps 526: static size_t
1.157 kristaps 527: a2width(const struct termp *p, const char *v)
1.91 kristaps 528: {
1.92 kristaps 529: struct roffsu su;
1.1 kristaps 530:
1.154 kristaps 531: assert(v);
532: if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157 kristaps 533: SCALE_HS_INIT(&su, term_strlen(p, v));
1.1 kristaps 534:
1.157 kristaps 535: return(term_hspan(p, &su));
1.1 kristaps 536: }
537:
538: static size_t
1.157 kristaps 539: a2offs(const struct termp *p, const char *v)
1.1 kristaps 540: {
1.92 kristaps 541: struct roffsu su;
1.1 kristaps 542:
1.148 kristaps 543: if ('\0' == *v)
1.91 kristaps 544: return(0);
1.148 kristaps 545: else if (0 == strcmp(v, "left"))
1.19 kristaps 546: return(0);
1.148 kristaps 547: else if (0 == strcmp(v, "indent"))
1.238 schwarze 548: return(term_len(p, p->defindent + 1));
1.148 kristaps 549: else if (0 == strcmp(v, "indent-two"))
1.238 schwarze 550: return(term_len(p, (p->defindent + 1) * 2));
1.148 kristaps 551: else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157 kristaps 552: SCALE_HS_INIT(&su, term_strlen(p, v));
1.10 kristaps 553:
1.157 kristaps 554: return(term_hspan(p, &su));
1.1 kristaps 555: }
556:
1.108 kristaps 557: /*
558: * Determine how much space to print out before block elements of `It'
559: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
560: * too.
561: */
1.54 kristaps 562: static void
1.264 schwarze 563: print_bvspace(struct termp *p,
564: const struct mdoc_node *bl,
565: const struct mdoc_node *n)
1.1 kristaps 566: {
1.86 kristaps 567: const struct mdoc_node *nn;
1.236 schwarze 568:
569: assert(n);
1.1 kristaps 570:
571: term_newln(p);
1.150 kristaps 572:
1.202 kristaps 573: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150 kristaps 574: return;
1.202 kristaps 575: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54 kristaps 576: return;
577:
1.85 kristaps 578: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 579:
1.86 kristaps 580: for (nn = n; nn; nn = nn->parent) {
581: if (MDOC_BLOCK != nn->type)
1.1 kristaps 582: continue;
1.86 kristaps 583: if (MDOC_Ss == nn->tok)
1.54 kristaps 584: return;
1.86 kristaps 585: if (MDOC_Sh == nn->tok)
1.54 kristaps 586: return;
1.86 kristaps 587: if (NULL == nn->prev)
1.1 kristaps 588: continue;
589: break;
590: }
591:
1.85 kristaps 592: /* A `-column' does not assert vspace within the list. */
1.54 kristaps 593:
1.202 kristaps 594: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86 kristaps 595: if (n->prev && MDOC_It == n->prev->tok)
1.54 kristaps 596: return;
597:
1.85 kristaps 598: /* A `-diag' without body does not vspace. */
599:
1.202 kristaps 600: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86 kristaps 601: if (n->prev && MDOC_It == n->prev->tok) {
602: assert(n->prev->body);
603: if (NULL == n->prev->body->child)
1.55 kristaps 604: return;
605: }
606:
1.54 kristaps 607: term_vspace(p);
1.260 schwarze 608: }
609:
610:
611: static int
612: termp_ll_pre(DECL_ARGS)
613: {
614:
1.261 schwarze 615: term_setwidth(p, n->nchild ? n->child->string : NULL);
1.260 schwarze 616: return(0);
1.1 kristaps 617: }
618:
619: static int
620: termp_it_pre(DECL_ARGS)
621: {
1.86 kristaps 622: const struct mdoc_node *bl, *nn;
1.265 ! schwarze 623: char buf[24];
1.264 schwarze 624: int i;
625: size_t width, offset, ncols, dcol;
1.126 kristaps 626: enum mdoc_list type;
1.1 kristaps 627:
1.86 kristaps 628: if (MDOC_BLOCK == n->type) {
1.151 kristaps 629: print_bvspace(p, n->parent->parent, n);
1.54 kristaps 630: return(1);
631: }
1.1 kristaps 632:
1.86 kristaps 633: bl = n->parent->parent->parent;
1.202 kristaps 634: type = bl->norm->Bl.type;
1.1 kristaps 635:
1.264 schwarze 636: /*
1.108 kristaps 637: * First calculate width and offset. This is pretty easy unless
638: * we're a -column list, in which case all prior columns must
639: * be accounted for.
640: */
641:
642: width = offset = 0;
643:
1.202 kristaps 644: if (bl->norm->Bl.offs)
645: offset = a2offs(p, bl->norm->Bl.offs);
1.152 kristaps 646:
1.1 kristaps 647: switch (type) {
1.264 schwarze 648: case LIST_column:
1.134 kristaps 649: if (MDOC_HEAD == n->type)
1.1 kristaps 650: break;
1.155 kristaps 651:
1.105 kristaps 652: /*
1.108 kristaps 653: * Imitate groff's column handling:
654: * - For each earlier column, add its width.
655: * - For less than 5 columns, add four more blanks per
656: * column.
657: * - For exactly 5 columns, add three more blank per
658: * column.
659: * - For more than 5 columns, add only one column.
1.105 kristaps 660: */
1.202 kristaps 661: ncols = bl->norm->Bl.ncols;
1.264 schwarze 662: dcol = ncols < 5 ? term_len(p, 4) :
663: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108 kristaps 664:
1.134 kristaps 665: /*
666: * Calculate the offset by applying all prior MDOC_BODY,
667: * so we stop at the MDOC_HEAD (NULL == nn->prev).
668: */
669:
1.264 schwarze 670: for (i = 0, nn = n->prev;
671: nn->prev && i < (int)ncols;
672: nn = nn->prev, i++)
673: offset += dcol + a2width(p,
674: bl->norm->Bl.cols[i]);
1.105 kristaps 675:
676: /*
1.108 kristaps 677: * When exceeding the declared number of columns, leave
678: * the remaining widths at 0. This will later be
679: * adjusted to the default width of 10, or, for the last
680: * column, stretched to the right margin.
1.58 kristaps 681: */
1.108 kristaps 682: if (i >= (int)ncols)
683: break;
1.58 kristaps 684:
1.105 kristaps 685: /*
1.108 kristaps 686: * Use the declared column widths, extended as explained
687: * in the preceding paragraph.
1.105 kristaps 688: */
1.202 kristaps 689: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 690: break;
691: default:
1.202 kristaps 692: if (NULL == bl->norm->Bl.width)
1.108 kristaps 693: break;
694:
1.264 schwarze 695: /*
1.108 kristaps 696: * Note: buffer the width by 2, which is groff's magic
697: * number for buffering single arguments. See the above
698: * handling for column for how this changes.
699: */
1.202 kristaps 700: assert(bl->norm->Bl.width);
701: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1 kristaps 702: break;
703: }
704:
1.264 schwarze 705: /*
1.1 kristaps 706: * List-type can override the width in the case of fixed-head
707: * values (bullet, dash/hyphen, enum). Tags need a non-zero
1.67 kristaps 708: * offset.
1.1 kristaps 709: */
710:
711: switch (type) {
1.264 schwarze 712: case LIST_bullet:
1.1 kristaps 713: /* FALLTHROUGH */
1.264 schwarze 714: case LIST_dash:
1.1 kristaps 715: /* FALLTHROUGH */
1.264 schwarze 716: case LIST_hyphen:
1.242 schwarze 717: /* FALLTHROUGH */
1.264 schwarze 718: case LIST_enum:
1.242 schwarze 719: if (width < term_len(p, 2))
720: width = term_len(p, 2);
1.17 kristaps 721: break;
1.264 schwarze 722: case LIST_hang:
1.39 kristaps 723: if (0 == width)
1.157 kristaps 724: width = term_len(p, 8);
1.39 kristaps 725: break;
1.264 schwarze 726: case LIST_column:
1.49 kristaps 727: /* FALLTHROUGH */
1.264 schwarze 728: case LIST_tag:
1.1 kristaps 729: if (0 == width)
1.157 kristaps 730: width = term_len(p, 10);
1.1 kristaps 731: break;
732: default:
733: break;
734: }
735:
1.264 schwarze 736: /*
1.17 kristaps 737: * Whitespace control. Inset bodies need an initial space,
738: * while diagonal bodies need two.
1.1 kristaps 739: */
740:
1.51 kristaps 741: p->flags |= TERMP_NOSPACE;
742:
1.1 kristaps 743: switch (type) {
1.264 schwarze 744: case LIST_diag:
1.86 kristaps 745: if (MDOC_BODY == n->type)
1.62 kristaps 746: term_word(p, "\\ \\ ");
1.51 kristaps 747: break;
1.264 schwarze 748: case LIST_inset:
749: if (MDOC_BODY == n->type)
1.51 kristaps 750: term_word(p, "\\ ");
1.1 kristaps 751: break;
752: default:
753: break;
754: }
755:
1.51 kristaps 756: p->flags |= TERMP_NOSPACE;
757:
1.1 kristaps 758: switch (type) {
1.264 schwarze 759: case LIST_diag:
1.86 kristaps 760: if (MDOC_HEAD == n->type)
1.102 kristaps 761: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 762: break;
763: default:
764: break;
765: }
766:
767: /*
1.109 kristaps 768: * Pad and break control. This is the tricky part. These flags
769: * are documented in term_flushln() in term.c. Note that we're
770: * going to unset all of these flags in termp_it_post() when we
771: * exit.
1.1 kristaps 772: */
773:
774: switch (type) {
1.264 schwarze 775: case LIST_enum:
1.242 schwarze 776: /*
777: * Weird special case.
778: * Very narrow enum lists actually hang.
779: */
780: if (width == term_len(p, 2))
781: p->flags |= TERMP_HANG;
782: /* FALLTHROUGH */
1.264 schwarze 783: case LIST_bullet:
1.1 kristaps 784: /* FALLTHROUGH */
1.264 schwarze 785: case LIST_dash:
1.1 kristaps 786: /* FALLTHROUGH */
1.264 schwarze 787: case LIST_hyphen:
1.250 schwarze 788: if (MDOC_HEAD != n->type)
789: break;
790: p->flags |= TERMP_NOBREAK;
791: p->trailspace = 1;
1.39 kristaps 792: break;
1.264 schwarze 793: case LIST_hang:
1.250 schwarze 794: if (MDOC_HEAD != n->type)
1.59 kristaps 795: break;
796:
797: /*
798: * This is ugly. If `-hang' is specified and the body
799: * is a `Bl' or `Bd', then we want basically to nullify
800: * the "overstep" effect in term_flushln() and treat
801: * this as a `-ohang' list instead.
802: */
1.264 schwarze 803: if (n->next->child &&
804: (MDOC_Bl == n->next->child->tok ||
805: MDOC_Bd == n->next->child->tok))
1.250 schwarze 806: break;
807:
1.263 schwarze 808: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250 schwarze 809: p->trailspace = 1;
1.39 kristaps 810: break;
1.264 schwarze 811: case LIST_tag:
1.86 kristaps 812: if (MDOC_HEAD != n->type)
1.39 kristaps 813: break;
1.250 schwarze 814:
1.263 schwarze 815: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 816: p->trailspace = 2;
817:
1.86 kristaps 818: if (NULL == n->next || NULL == n->next->child)
1.39 kristaps 819: p->flags |= TERMP_DANGLE;
1.1 kristaps 820: break;
1.264 schwarze 821: case LIST_column:
1.134 kristaps 822: if (MDOC_HEAD == n->type)
823: break;
824:
1.250 schwarze 825: if (NULL == n->next) {
1.134 kristaps 826: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 827: p->trailspace = 0;
828: } else {
1.134 kristaps 829: p->flags |= TERMP_NOBREAK;
1.250 schwarze 830: p->trailspace = 1;
831: }
1.134 kristaps 832:
1.1 kristaps 833: break;
1.264 schwarze 834: case LIST_diag:
1.250 schwarze 835: if (MDOC_HEAD != n->type)
836: break;
1.263 schwarze 837: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 838: p->trailspace = 1;
1.1 kristaps 839: break;
840: default:
841: break;
842: }
843:
1.264 schwarze 844: /*
1.1 kristaps 845: * Margin control. Set-head-width lists have their right
846: * margins shortened. The body for these lists has the offset
847: * necessarily lengthened. Everybody gets the offset.
848: */
849:
850: p->offset += offset;
851:
852: switch (type) {
1.264 schwarze 853: case LIST_hang:
1.59 kristaps 854: /*
855: * Same stipulation as above, regarding `-hang'. We
856: * don't want to recalculate rmargin and offsets when
857: * using `Bd' or `Bl' within `-hang' overstep lists.
858: */
1.86 kristaps 859: if (MDOC_HEAD == n->type && n->next->child &&
1.264 schwarze 860: (MDOC_Bl == n->next->child->tok ||
861: MDOC_Bd == n->next->child->tok))
1.59 kristaps 862: break;
863: /* FALLTHROUGH */
1.264 schwarze 864: case LIST_bullet:
1.1 kristaps 865: /* FALLTHROUGH */
1.264 schwarze 866: case LIST_dash:
1.1 kristaps 867: /* FALLTHROUGH */
1.264 schwarze 868: case LIST_enum:
1.1 kristaps 869: /* FALLTHROUGH */
1.264 schwarze 870: case LIST_hyphen:
1.1 kristaps 871: /* FALLTHROUGH */
1.264 schwarze 872: case LIST_tag:
1.49 kristaps 873: assert(width);
1.86 kristaps 874: if (MDOC_HEAD == n->type)
1.1 kristaps 875: p->rmargin = p->offset + width;
1.259 schwarze 876: else {
1.1 kristaps 877: p->offset += width;
1.259 schwarze 878: if (p->rmargin < p->offset)
879: p->rmargin = p->offset;
880: }
1.1 kristaps 881: break;
1.264 schwarze 882: case LIST_column:
1.49 kristaps 883: assert(width);
1.1 kristaps 884: p->rmargin = p->offset + width;
1.264 schwarze 885: /*
1.50 kristaps 886: * XXX - this behaviour is not documented: the
887: * right-most column is filled to the right margin.
888: */
1.134 kristaps 889: if (MDOC_HEAD == n->type)
890: break;
891: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50 kristaps 892: p->rmargin = p->maxrmargin;
1.1 kristaps 893: break;
894: default:
895: break;
896: }
897:
1.264 schwarze 898: /*
1.1 kristaps 899: * The dash, hyphen, bullet and enum lists all have a special
1.264 schwarze 900: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 901: */
902:
1.86 kristaps 903: if (MDOC_HEAD == n->type)
1.1 kristaps 904: switch (type) {
1.264 schwarze 905: case LIST_bullet:
1.102 kristaps 906: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 907: term_word(p, "\\[bu]");
1.102 kristaps 908: term_fontpop(p);
1.1 kristaps 909: break;
1.264 schwarze 910: case LIST_dash:
1.1 kristaps 911: /* FALLTHROUGH */
1.264 schwarze 912: case LIST_hyphen:
1.102 kristaps 913: term_fontpush(p, TERMFONT_BOLD);
1.27 kristaps 914: term_word(p, "\\(hy");
1.102 kristaps 915: term_fontpop(p);
1.1 kristaps 916: break;
1.264 schwarze 917: case LIST_enum:
1.1 kristaps 918: (pair->ppair->ppair->count)++;
1.265 ! schwarze 919: (void)snprintf(buf, sizeof(buf), "%d.",
1.264 schwarze 920: pair->ppair->ppair->count);
1.1 kristaps 921: term_word(p, buf);
922: break;
923: default:
924: break;
925: }
926:
1.264 schwarze 927: /*
1.1 kristaps 928: * If we're not going to process our children, indicate so here.
929: */
930:
931: switch (type) {
1.264 schwarze 932: case LIST_bullet:
1.1 kristaps 933: /* FALLTHROUGH */
1.264 schwarze 934: case LIST_item:
1.1 kristaps 935: /* FALLTHROUGH */
1.264 schwarze 936: case LIST_dash:
1.1 kristaps 937: /* FALLTHROUGH */
1.264 schwarze 938: case LIST_hyphen:
1.1 kristaps 939: /* FALLTHROUGH */
1.264 schwarze 940: case LIST_enum:
1.86 kristaps 941: if (MDOC_HEAD == n->type)
1.1 kristaps 942: return(0);
943: break;
1.264 schwarze 944: case LIST_column:
1.134 kristaps 945: if (MDOC_HEAD == n->type)
1.1 kristaps 946: return(0);
947: break;
948: default:
949: break;
950: }
951:
952: return(1);
953: }
954:
955: static void
956: termp_it_post(DECL_ARGS)
957: {
1.126 kristaps 958: enum mdoc_list type;
1.1 kristaps 959:
1.109 kristaps 960: if (MDOC_BLOCK == n->type)
1.1 kristaps 961: return;
962:
1.202 kristaps 963: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 964:
965: switch (type) {
1.264 schwarze 966: case LIST_item:
1.1 kristaps 967: /* FALLTHROUGH */
1.264 schwarze 968: case LIST_diag:
1.53 kristaps 969: /* FALLTHROUGH */
1.264 schwarze 970: case LIST_inset:
1.86 kristaps 971: if (MDOC_BODY == n->type)
1.130 schwarze 972: term_newln(p);
1.1 kristaps 973: break;
1.264 schwarze 974: case LIST_column:
1.134 kristaps 975: if (MDOC_BODY == n->type)
1.1 kristaps 976: term_flushln(p);
977: break;
978: default:
1.130 schwarze 979: term_newln(p);
1.1 kristaps 980: break;
981: }
982:
1.264 schwarze 983: /*
1.109 kristaps 984: * Now that our output is flushed, we can reset our tags. Since
985: * only `It' sets these flags, we're free to assume that nobody
986: * has munged them in the meanwhile.
987: */
988:
1.263 schwarze 989: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
990: TERMP_DANGLE | TERMP_HANG);
1.250 schwarze 991: p->trailspace = 0;
1.1 kristaps 992: }
993:
994: static int
995: termp_nm_pre(DECL_ARGS)
996: {
997:
1.253 schwarze 998: if (MDOC_BLOCK == n->type) {
999: p->flags |= TERMP_PREKEEP;
1.164 schwarze 1000: return(1);
1.253 schwarze 1001: }
1.164 schwarze 1002:
1003: if (MDOC_BODY == n->type) {
1004: if (NULL == n->child)
1005: return(0);
1.234 schwarze 1006: p->flags |= TERMP_NOSPACE;
1.164 schwarze 1007: p->offset += term_len(p, 1) +
1.245 schwarze 1008: (NULL == n->prev->child ?
1009: term_strlen(p, meta->name) :
1.164 schwarze 1010: MDOC_TEXT == n->prev->child->type ?
1.245 schwarze 1011: term_strlen(p, n->prev->child->string) :
1.164 schwarze 1012: term_len(p, 5));
1.262 schwarze 1013: if (p->rmargin < p->offset)
1014: p->rmargin = p->offset;
1.164 schwarze 1015: return(1);
1016: }
1017:
1.245 schwarze 1018: if (NULL == n->child && NULL == meta->name)
1.164 schwarze 1019: return(0);
1.125 kristaps 1020:
1.177 schwarze 1021: if (MDOC_HEAD == n->type)
1022: synopsis_pre(p, n->parent);
1.102 kristaps 1023:
1.164 schwarze 1024: if (MDOC_HEAD == n->type && n->next->child) {
1.263 schwarze 1025: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 1026: p->trailspace = 1;
1.185 schwarze 1027: p->rmargin = p->offset + term_len(p, 1);
1028: if (NULL == n->child) {
1.245 schwarze 1029: p->rmargin += term_strlen(p, meta->name);
1.185 schwarze 1030: } else if (MDOC_TEXT == n->child->type) {
1031: p->rmargin += term_strlen(p, n->child->string);
1032: if (n->child->next)
1033: p->flags |= TERMP_HANG;
1034: } else {
1035: p->rmargin += term_len(p, 5);
1036: p->flags |= TERMP_HANG;
1037: }
1.164 schwarze 1038: }
1039:
1.102 kristaps 1040: term_fontpush(p, TERMFONT_BOLD);
1.86 kristaps 1041: if (NULL == n->child)
1.245 schwarze 1042: term_word(p, meta->name);
1.1 kristaps 1043: return(1);
1044: }
1045:
1.164 schwarze 1046: static void
1047: termp_nm_post(DECL_ARGS)
1048: {
1049:
1.253 schwarze 1050: if (MDOC_BLOCK == n->type) {
1051: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1052: } else if (MDOC_HEAD == n->type && n->next->child) {
1.164 schwarze 1053: term_flushln(p);
1.263 schwarze 1054: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 1055: p->trailspace = 0;
1.234 schwarze 1056: } else if (MDOC_BODY == n->type && n->child)
1.164 schwarze 1057: term_flushln(p);
1058: }
1059:
1.1 kristaps 1060: static int
1061: termp_fl_pre(DECL_ARGS)
1062: {
1063:
1.102 kristaps 1064: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1065: term_word(p, "\\-");
1.103 kristaps 1066:
1067: if (n->child)
1.114 kristaps 1068: p->flags |= TERMP_NOSPACE;
1069: else if (n->next && n->next->line == n->line)
1.103 kristaps 1070: p->flags |= TERMP_NOSPACE;
1071:
1.1 kristaps 1072: return(1);
1073: }
1074:
1075: static int
1.184 kristaps 1076: termp__a_pre(DECL_ARGS)
1077: {
1078:
1079: if (n->prev && MDOC__A == n->prev->tok)
1080: if (NULL == n->next || MDOC__A != n->next->tok)
1081: term_word(p, "and");
1082:
1083: return(1);
1084: }
1085:
1086: static int
1.61 kristaps 1087: termp_an_pre(DECL_ARGS)
1088: {
1089:
1.86 kristaps 1090: if (NULL == n->child)
1.61 kristaps 1091: return(1);
1092:
1093: /*
1.85 kristaps 1094: * If not in the AUTHORS section, `An -split' will cause
1095: * newlines to occur before the author name. If in the AUTHORS
1096: * section, by default, the first `An' invocation is nosplit,
1097: * then all subsequent ones, regardless of whether interspersed
1098: * with other macros/text, are split. -split, in this case,
1099: * will override the condition of the implied first -nosplit.
1.61 kristaps 1100: */
1.264 schwarze 1101:
1.86 kristaps 1102: if (n->sec == SEC_AUTHORS) {
1.61 kristaps 1103: if ( ! (TERMP_ANPREC & p->flags)) {
1104: if (TERMP_SPLIT & p->flags)
1105: term_newln(p);
1106: return(1);
1107: }
1108: if (TERMP_NOSPLIT & p->flags)
1109: return(1);
1110: term_newln(p);
1111: return(1);
1112: }
1113:
1114: if (TERMP_SPLIT & p->flags)
1115: term_newln(p);
1116:
1117: return(1);
1118: }
1119:
1120: static void
1121: termp_an_post(DECL_ARGS)
1122: {
1123:
1.86 kristaps 1124: if (n->child) {
1125: if (SEC_AUTHORS == n->sec)
1.61 kristaps 1126: p->flags |= TERMP_ANPREC;
1127: return;
1128: }
1129:
1.202 kristaps 1130: if (AUTH_split == n->norm->An.auth) {
1.61 kristaps 1131: p->flags &= ~TERMP_NOSPLIT;
1132: p->flags |= TERMP_SPLIT;
1.202 kristaps 1133: } else if (AUTH_nosplit == n->norm->An.auth) {
1.61 kristaps 1134: p->flags &= ~TERMP_SPLIT;
1135: p->flags |= TERMP_NOSPLIT;
1136: }
1137:
1138: }
1139:
1140: static int
1.1 kristaps 1141: termp_ns_pre(DECL_ARGS)
1142: {
1143:
1.215 kristaps 1144: if ( ! (MDOC_LINE & n->flags))
1145: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1146: return(1);
1147: }
1148:
1149: static int
1150: termp_rs_pre(DECL_ARGS)
1151: {
1152:
1.86 kristaps 1153: if (SEC_SEE_ALSO != n->sec)
1.80 kristaps 1154: return(1);
1.86 kristaps 1155: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1156: term_vspace(p);
1157: return(1);
1158: }
1159:
1160: static int
1161: termp_rv_pre(DECL_ARGS)
1162: {
1.223 kristaps 1163: int nchild;
1.1 kristaps 1164:
1165: term_newln(p);
1166: term_word(p, "The");
1167:
1.223 kristaps 1168: nchild = n->nchild;
1169: for (n = n->child; n; n = n->next) {
1.102 kristaps 1170: term_fontpush(p, TERMFONT_BOLD);
1.223 kristaps 1171: term_word(p, n->string);
1.102 kristaps 1172: term_fontpop(p);
1.224 kristaps 1173:
1.68 kristaps 1174: p->flags |= TERMP_NOSPACE;
1.223 kristaps 1175: term_word(p, "()");
1176:
1177: if (nchild > 2 && n->next) {
1178: p->flags |= TERMP_NOSPACE;
1179: term_word(p, ",");
1180: }
1181:
1182: if (n->next && NULL == n->next->next)
1183: term_word(p, "and");
1.68 kristaps 1184: }
1185:
1.223 kristaps 1186: if (nchild > 1)
1.68 kristaps 1187: term_word(p, "functions return");
1188: else
1189: term_word(p, "function returns");
1.1 kristaps 1190:
1.264 schwarze 1191: term_word(p, "the value 0 if successful; otherwise the "
1192: "value -1 is returned 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)
1.68 kristaps 1228: term_word(p, "utilities exit");
1229: else
1230: term_word(p, "utility exits");
1231:
1.264 schwarze 1232: term_word(p, "0 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: {
1.179 kristaps 1570: size_t tabwidth, 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 &&
1591: DISP_unfilled != n->norm->Bd.type)
1.1 kristaps 1592: return(1);
1593:
1.129 schwarze 1594: tabwidth = p->tabwidth;
1.208 kristaps 1595: if (DISP_literal == n->norm->Bd.type)
1596: p->tabwidth = term_len(p, 8);
1597:
1.119 kristaps 1598: rm = p->rmargin;
1599: rmax = p->maxrmargin;
1.120 kristaps 1600: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1601:
1.86 kristaps 1602: for (nn = n->child; nn; nn = nn->next) {
1.245 schwarze 1603: print_mdoc_node(p, pair, meta, nn);
1.190 kristaps 1604: /*
1605: * If the printed node flushes its own line, then we
1606: * needn't do it here as well. This is hacky, but the
1607: * notion of selective eoln whitespace is pretty dumb
1608: * anyway, so don't sweat it.
1609: */
1610: switch (nn->tok) {
1.264 schwarze 1611: case MDOC_Sm:
1.193 kristaps 1612: /* FALLTHROUGH */
1.264 schwarze 1613: case MDOC_br:
1.190 kristaps 1614: /* FALLTHROUGH */
1.264 schwarze 1615: case MDOC_sp:
1.190 kristaps 1616: /* FALLTHROUGH */
1.264 schwarze 1617: case MDOC_Bl:
1.196 kristaps 1618: /* FALLTHROUGH */
1.264 schwarze 1619: case MDOC_D1:
1.196 kristaps 1620: /* FALLTHROUGH */
1.264 schwarze 1621: case MDOC_Dl:
1.190 kristaps 1622: /* FALLTHROUGH */
1.264 schwarze 1623: case MDOC_Lp:
1.190 kristaps 1624: /* FALLTHROUGH */
1.264 schwarze 1625: case MDOC_Pp:
1.190 kristaps 1626: continue;
1627: default:
1628: break;
1629: }
1.180 schwarze 1630: if (nn->next && nn->next->line == nn->line)
1631: continue;
1632: term_flushln(p);
1633: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1634: }
1.147 kristaps 1635:
1.129 schwarze 1636: p->tabwidth = tabwidth;
1.119 kristaps 1637: p->rmargin = rm;
1638: p->maxrmargin = rmax;
1.1 kristaps 1639: return(0);
1640: }
1641:
1642: static void
1643: termp_bd_post(DECL_ARGS)
1644: {
1.119 kristaps 1645: size_t rm, rmax;
1.1 kristaps 1646:
1.264 schwarze 1647: if (MDOC_BODY != n->type)
1.1 kristaps 1648: return;
1.118 kristaps 1649:
1.119 kristaps 1650: rm = p->rmargin;
1651: rmax = p->maxrmargin;
1.118 kristaps 1652:
1.264 schwarze 1653: if (DISP_literal == n->norm->Bd.type ||
1654: DISP_unfilled == n->norm->Bd.type)
1.120 kristaps 1655: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1656:
1.60 kristaps 1657: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1658: term_newln(p);
1.118 kristaps 1659:
1.119 kristaps 1660: p->rmargin = rm;
1661: p->maxrmargin = rmax;
1.1 kristaps 1662: }
1663:
1.211 kristaps 1664: static int
1665: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1666: {
1667:
1.211 kristaps 1668: if (NULL != (n = n->child)) {
1669: term_word(p, n->string);
1670: p->flags |= TERMP_NOSPACE;
1671: term_word(p, "BSD");
1672: } else {
1673: term_word(p, "BSD");
1674: return(0);
1675: }
1676:
1677: if (NULL != (n = n->next)) {
1678: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1679: term_word(p, "-");
1.1 kristaps 1680: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1681: term_word(p, n->string);
1.211 kristaps 1682: }
1683:
1684: return(0);
1.1 kristaps 1685: }
1686:
1687: static int
1.26 kristaps 1688: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1689: {
1.26 kristaps 1690: const char *pp;
1.218 schwarze 1691: int flags;
1.1 kristaps 1692:
1.26 kristaps 1693: pp = NULL;
1.86 kristaps 1694: switch (n->tok) {
1.264 schwarze 1695: case MDOC_Bsx:
1.194 schwarze 1696: pp = "BSD/OS";
1.26 kristaps 1697: break;
1.264 schwarze 1698: case MDOC_Dx:
1.100 kristaps 1699: pp = "DragonFly";
1.26 kristaps 1700: break;
1.264 schwarze 1701: case MDOC_Fx:
1.26 kristaps 1702: pp = "FreeBSD";
1703: break;
1.264 schwarze 1704: case MDOC_Nx:
1.26 kristaps 1705: pp = "NetBSD";
1706: break;
1.264 schwarze 1707: case MDOC_Ox:
1.26 kristaps 1708: pp = "OpenBSD";
1709: break;
1.264 schwarze 1710: case MDOC_Ux:
1.26 kristaps 1711: pp = "UNIX";
1712: break;
1713: default:
1.246 schwarze 1714: abort();
1715: /* NOTREACHED */
1.26 kristaps 1716: }
1.1 kristaps 1717:
1.26 kristaps 1718: term_word(p, pp);
1.214 kristaps 1719: if (n->child) {
1.218 schwarze 1720: flags = p->flags;
1.214 kristaps 1721: p->flags |= TERMP_KEEP;
1722: term_word(p, n->child->string);
1.218 schwarze 1723: p->flags = flags;
1.214 kristaps 1724: }
1725: return(0);
1.1 kristaps 1726: }
1727:
1728: static void
1729: termp_pf_post(DECL_ARGS)
1730: {
1731:
1732: p->flags |= TERMP_NOSPACE;
1733: }
1734:
1735: static int
1736: termp_ss_pre(DECL_ARGS)
1737: {
1738:
1.86 kristaps 1739: switch (n->type) {
1.264 schwarze 1740: case MDOC_BLOCK:
1.1 kristaps 1741: term_newln(p);
1.86 kristaps 1742: if (n->prev)
1.1 kristaps 1743: term_vspace(p);
1744: break;
1.264 schwarze 1745: case MDOC_HEAD:
1.102 kristaps 1746: term_fontpush(p, TERMFONT_BOLD);
1.238 schwarze 1747: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1748: break;
1749: default:
1750: break;
1751: }
1752:
1753: return(1);
1754: }
1755:
1756: static void
1757: termp_ss_post(DECL_ARGS)
1758: {
1759:
1.86 kristaps 1760: if (MDOC_HEAD == n->type)
1.1 kristaps 1761: term_newln(p);
1762: }
1763:
1764: static int
1765: termp_cd_pre(DECL_ARGS)
1766: {
1767:
1.143 kristaps 1768: synopsis_pre(p, n);
1.102 kristaps 1769: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1770: return(1);
1771: }
1772:
1773: static int
1774: termp_in_pre(DECL_ARGS)
1775: {
1.142 schwarze 1776:
1.143 kristaps 1777: synopsis_pre(p, n);
1.1 kristaps 1778:
1.160 kristaps 1779: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138 kristaps 1780: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1781: term_word(p, "#include");
1.138 kristaps 1782: term_word(p, "<");
1783: } else {
1784: term_word(p, "<");
1785: term_fontpush(p, TERMFONT_UNDER);
1786: }
1.22 kristaps 1787:
1.1 kristaps 1788: p->flags |= TERMP_NOSPACE;
1789: return(1);
1790: }
1791:
1792: static void
1793: termp_in_post(DECL_ARGS)
1794: {
1795:
1.160 kristaps 1796: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1797: term_fontpush(p, TERMFONT_BOLD);
1798:
1.79 kristaps 1799: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1800: term_word(p, ">");
1801:
1.160 kristaps 1802: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1803: term_fontpop(p);
1.1 kristaps 1804: }
1805:
1806: static int
1.45 kristaps 1807: termp_sp_pre(DECL_ARGS)
1808: {
1.91 kristaps 1809: size_t i, len;
1.45 kristaps 1810:
1.86 kristaps 1811: switch (n->tok) {
1.264 schwarze 1812: case MDOC_sp:
1.157 kristaps 1813: len = n->child ? a2height(p, n->child->string) : 1;
1.76 kristaps 1814: break;
1.264 schwarze 1815: case MDOC_br:
1.76 kristaps 1816: len = 0;
1817: break;
1818: default:
1819: len = 1;
1820: break;
1.45 kristaps 1821: }
1822:
1823: if (0 == len)
1824: term_newln(p);
1825: for (i = 0; i < len; i++)
1826: term_vspace(p);
1827:
1828: return(0);
1829: }
1830:
1831: static int
1.188 kristaps 1832: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1833: {
1834:
1.203 kristaps 1835: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1836: return(1);
1837:
1.188 kristaps 1838: switch (n->tok) {
1.264 schwarze 1839: case MDOC_Ao:
1.188 kristaps 1840: /* FALLTHROUGH */
1.264 schwarze 1841: case MDOC_Aq:
1.188 kristaps 1842: term_word(p, "<");
1843: break;
1.264 schwarze 1844: case MDOC_Bro:
1.188 kristaps 1845: /* FALLTHROUGH */
1.264 schwarze 1846: case MDOC_Brq:
1.188 kristaps 1847: term_word(p, "{");
1848: break;
1.264 schwarze 1849: case MDOC_Oo:
1.188 kristaps 1850: /* FALLTHROUGH */
1.264 schwarze 1851: case MDOC_Op:
1.188 kristaps 1852: /* FALLTHROUGH */
1.264 schwarze 1853: case MDOC_Bo:
1.188 kristaps 1854: /* FALLTHROUGH */
1.264 schwarze 1855: case MDOC_Bq:
1.188 kristaps 1856: term_word(p, "[");
1857: break;
1.264 schwarze 1858: case MDOC_Do:
1.188 kristaps 1859: /* FALLTHROUGH */
1.264 schwarze 1860: case MDOC_Dq:
1.249 schwarze 1861: term_word(p, "\\(lq");
1.188 kristaps 1862: break;
1.264 schwarze 1863: case MDOC_Eo:
1.237 schwarze 1864: break;
1.264 schwarze 1865: case MDOC_Po:
1.188 kristaps 1866: /* FALLTHROUGH */
1.264 schwarze 1867: case MDOC_Pq:
1.188 kristaps 1868: term_word(p, "(");
1869: break;
1.264 schwarze 1870: case MDOC__T:
1.205 kristaps 1871: /* FALLTHROUGH */
1.264 schwarze 1872: case MDOC_Qo:
1.188 kristaps 1873: /* FALLTHROUGH */
1.264 schwarze 1874: case MDOC_Qq:
1.188 kristaps 1875: term_word(p, "\"");
1876: break;
1.264 schwarze 1877: case MDOC_Ql:
1.188 kristaps 1878: /* FALLTHROUGH */
1.264 schwarze 1879: case MDOC_So:
1.188 kristaps 1880: /* FALLTHROUGH */
1.264 schwarze 1881: case MDOC_Sq:
1.249 schwarze 1882: term_word(p, "\\(oq");
1.188 kristaps 1883: break;
1884: default:
1885: abort();
1886: /* NOTREACHED */
1887: }
1.1 kristaps 1888:
1889: p->flags |= TERMP_NOSPACE;
1890: return(1);
1891: }
1892:
1893: static void
1.188 kristaps 1894: termp_quote_post(DECL_ARGS)
1.1 kristaps 1895: {
1896:
1.203 kristaps 1897: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1898: return;
1899:
1900: p->flags |= TERMP_NOSPACE;
1901:
1.188 kristaps 1902: switch (n->tok) {
1.264 schwarze 1903: case MDOC_Ao:
1.188 kristaps 1904: /* FALLTHROUGH */
1.264 schwarze 1905: case MDOC_Aq:
1.188 kristaps 1906: term_word(p, ">");
1907: break;
1.264 schwarze 1908: case MDOC_Bro:
1.188 kristaps 1909: /* FALLTHROUGH */
1.264 schwarze 1910: case MDOC_Brq:
1.188 kristaps 1911: term_word(p, "}");
1912: break;
1.264 schwarze 1913: case MDOC_Oo:
1.188 kristaps 1914: /* FALLTHROUGH */
1.264 schwarze 1915: case MDOC_Op:
1.188 kristaps 1916: /* FALLTHROUGH */
1.264 schwarze 1917: case MDOC_Bo:
1.188 kristaps 1918: /* FALLTHROUGH */
1.264 schwarze 1919: case MDOC_Bq:
1.188 kristaps 1920: term_word(p, "]");
1921: break;
1.264 schwarze 1922: case MDOC_Do:
1.188 kristaps 1923: /* FALLTHROUGH */
1.264 schwarze 1924: case MDOC_Dq:
1.249 schwarze 1925: term_word(p, "\\(rq");
1.237 schwarze 1926: break;
1.264 schwarze 1927: case MDOC_Eo:
1.188 kristaps 1928: break;
1.264 schwarze 1929: case MDOC_Po:
1.188 kristaps 1930: /* FALLTHROUGH */
1.264 schwarze 1931: case MDOC_Pq:
1.188 kristaps 1932: term_word(p, ")");
1933: break;
1.264 schwarze 1934: case MDOC__T:
1.205 kristaps 1935: /* FALLTHROUGH */
1.264 schwarze 1936: case MDOC_Qo:
1.188 kristaps 1937: /* FALLTHROUGH */
1.264 schwarze 1938: case MDOC_Qq:
1.188 kristaps 1939: term_word(p, "\"");
1940: break;
1.264 schwarze 1941: case MDOC_Ql:
1.188 kristaps 1942: /* FALLTHROUGH */
1.264 schwarze 1943: case MDOC_So:
1.188 kristaps 1944: /* FALLTHROUGH */
1.264 schwarze 1945: case MDOC_Sq:
1.249 schwarze 1946: term_word(p, "\\(cq");
1.188 kristaps 1947: break;
1948: default:
1949: abort();
1950: /* NOTREACHED */
1951: }
1.1 kristaps 1952: }
1953:
1954: static int
1955: termp_fo_pre(DECL_ARGS)
1956: {
1.257 schwarze 1957: size_t rmargin = 0;
1.256 schwarze 1958: int pretty;
1959:
1960: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1961:
1.141 kristaps 1962: if (MDOC_BLOCK == n->type) {
1.143 kristaps 1963: synopsis_pre(p, n);
1.141 kristaps 1964: return(1);
1965: } else if (MDOC_BODY == n->type) {
1.256 schwarze 1966: if (pretty) {
1967: rmargin = p->rmargin;
1.257 schwarze 1968: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 1969: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1970: TERMP_HANG;
1.256 schwarze 1971: }
1.33 kristaps 1972: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1973: term_word(p, "(");
1.222 kristaps 1974: p->flags |= TERMP_NOSPACE;
1.256 schwarze 1975: if (pretty) {
1976: term_flushln(p);
1.263 schwarze 1977: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1978: TERMP_HANG);
1.256 schwarze 1979: p->offset = p->rmargin;
1980: p->rmargin = rmargin;
1981: }
1.1 kristaps 1982: return(1);
1.256 schwarze 1983: }
1.141 kristaps 1984:
1.169 kristaps 1985: if (NULL == n->child)
1986: return(0);
1987:
1.141 kristaps 1988: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 1989:
1.141 kristaps 1990: assert(n->child->string);
1.102 kristaps 1991: term_fontpush(p, TERMFONT_BOLD);
1.141 kristaps 1992: term_word(p, n->child->string);
1.1 kristaps 1993: return(0);
1994: }
1995:
1996: static void
1997: termp_fo_post(DECL_ARGS)
1998: {
1999:
1.264 schwarze 2000: if (MDOC_BODY != n->type)
1.143 kristaps 2001: return;
2002:
1.222 kristaps 2003: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2004: term_word(p, ")");
2005:
1.222 kristaps 2006: if (MDOC_SYNPRETTY & n->flags) {
2007: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2008: term_word(p, ";");
1.256 schwarze 2009: term_flushln(p);
1.222 kristaps 2010: }
1.1 kristaps 2011: }
2012:
2013: static int
2014: termp_bf_pre(DECL_ARGS)
2015: {
2016:
1.86 kristaps 2017: if (MDOC_HEAD == n->type)
1.1 kristaps 2018: return(0);
1.244 schwarze 2019: else if (MDOC_BODY != n->type)
1.1 kristaps 2020: return(1);
2021:
1.264 schwarze 2022: if (FONT_Em == n->norm->Bf.font)
1.102 kristaps 2023: term_fontpush(p, TERMFONT_UNDER);
1.264 schwarze 2024: else if (FONT_Sy == n->norm->Bf.font)
1.102 kristaps 2025: term_fontpush(p, TERMFONT_BOLD);
1.264 schwarze 2026: else
1.102 kristaps 2027: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2028:
2029: return(1);
2030: }
2031:
2032: static int
2033: termp_sm_pre(DECL_ARGS)
2034: {
2035:
1.86 kristaps 2036: assert(n->child && MDOC_TEXT == n->child->type);
1.174 schwarze 2037: if (0 == strcmp("on", n->child->string)) {
2038: if (p->col)
2039: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2040: p->flags &= ~TERMP_NONOSPACE;
1.174 schwarze 2041: } else
1.1 kristaps 2042: p->flags |= TERMP_NONOSPACE;
2043:
2044: return(0);
2045: }
2046:
2047: static int
2048: termp_ap_pre(DECL_ARGS)
2049: {
2050:
2051: p->flags |= TERMP_NOSPACE;
1.188 kristaps 2052: term_word(p, "'");
1.1 kristaps 2053: p->flags |= TERMP_NOSPACE;
2054: return(1);
2055: }
2056:
2057: static void
2058: termp____post(DECL_ARGS)
2059: {
1.184 kristaps 2060:
2061: /*
2062: * Handle lists of authors. In general, print each followed by
2063: * a comma. Don't print the comma if there are only two
2064: * authors.
2065: */
2066: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2067: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2068: if (NULL == n->prev || MDOC__A != n->prev->tok)
2069: return;
1.1 kristaps 2070:
1.95 kristaps 2071: /* TODO: %U. */
2072:
1.187 kristaps 2073: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2074: return;
2075:
1.222 kristaps 2076: p->flags |= TERMP_NOSPACE;
1.186 kristaps 2077: if (NULL == n->next) {
2078: term_word(p, ".");
2079: p->flags |= TERMP_SENTENCE;
2080: } else
2081: term_word(p, ",");
1.1 kristaps 2082: }
2083:
2084: static int
1.102 kristaps 2085: termp_li_pre(DECL_ARGS)
2086: {
2087:
2088: term_fontpush(p, TERMFONT_NONE);
2089: return(1);
2090: }
2091:
2092: static int
1.1 kristaps 2093: termp_lk_pre(DECL_ARGS)
2094: {
1.240 schwarze 2095: const struct mdoc_node *link, *descr;
1.1 kristaps 2096:
1.240 schwarze 2097: if (NULL == (link = n->child))
2098: return(0);
1.181 kristaps 2099:
1.240 schwarze 2100: if (NULL != (descr = link->next)) {
2101: term_fontpush(p, TERMFONT_UNDER);
2102: while (NULL != descr) {
2103: term_word(p, descr->string);
2104: descr = descr->next;
2105: }
2106: p->flags |= TERMP_NOSPACE;
2107: term_word(p, ":");
2108: term_fontpop(p);
2109: }
1.1 kristaps 2110:
1.102 kristaps 2111: term_fontpush(p, TERMFONT_BOLD);
1.240 schwarze 2112: term_word(p, link->string);
1.102 kristaps 2113: term_fontpop(p);
1.12 kristaps 2114:
1.1 kristaps 2115: return(0);
2116: }
2117:
1.159 schwarze 2118: static int
2119: termp_bk_pre(DECL_ARGS)
2120: {
2121:
1.161 schwarze 2122: switch (n->type) {
1.264 schwarze 2123: case MDOC_BLOCK:
1.166 kristaps 2124: break;
1.264 schwarze 2125: case MDOC_HEAD:
1.161 schwarze 2126: return(0);
1.264 schwarze 2127: case MDOC_BODY:
1.200 schwarze 2128: if (n->parent->args || 0 == n->prev->nchild)
2129: p->flags |= TERMP_PREKEEP;
1.166 kristaps 2130: break;
1.161 schwarze 2131: default:
2132: abort();
1.166 kristaps 2133: /* NOTREACHED */
1.161 schwarze 2134: }
1.166 kristaps 2135:
2136: return(1);
1.159 schwarze 2137: }
2138:
2139: static void
2140: termp_bk_post(DECL_ARGS)
2141: {
2142:
1.253 schwarze 2143: if (MDOC_BODY == n->type)
1.161 schwarze 2144: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203 kristaps 2145: }
2146:
2147: static void
2148: termp__t_post(DECL_ARGS)
2149: {
2150:
2151: /*
2152: * If we're in an `Rs' and there's a journal present, then quote
2153: * us instead of underlining us (for disambiguation).
2154: */
1.217 schwarze 2155: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2156: n->parent->norm->Rs.quote_T)
1.245 schwarze 2157: termp_quote_post(p, pair, meta, n);
1.203 kristaps 2158:
1.245 schwarze 2159: termp____post(p, pair, meta, n);
1.203 kristaps 2160: }
2161:
2162: static int
2163: termp__t_pre(DECL_ARGS)
2164: {
2165:
2166: /*
2167: * If we're in an `Rs' and there's a journal present, then quote
2168: * us instead of underlining us (for disambiguation).
2169: */
2170: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2171: n->parent->norm->Rs.quote_T)
1.245 schwarze 2172: return(termp_quote_pre(p, pair, meta, n));
1.203 kristaps 2173:
2174: term_fontpush(p, TERMFONT_UNDER);
2175: return(1);
1.159 schwarze 2176: }
1.1 kristaps 2177:
2178: static int
1.69 kristaps 2179: termp_under_pre(DECL_ARGS)
1.1 kristaps 2180: {
2181:
1.102 kristaps 2182: term_fontpush(p, TERMFONT_UNDER);
1.84 kristaps 2183: return(1);
2184: }
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