Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.201
1.201 ! schwarze 1: /* $OpenBSD: mdoc_term.c,v 1.200 2014/12/23 13:48:15 schwarze Exp $ */
1.1 kristaps 2: /*
1.122 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.161 schwarze 4: * Copyright (c) 2010, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
1.158 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
1.2 schwarze 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: *
1.2 schwarze 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: */
19: #include <sys/types.h>
20:
21: #include <assert.h>
22: #include <ctype.h>
1.201 ! schwarze 23: #include <limits.h>
1.77 schwarze 24: #include <stdint.h>
1.1 kristaps 25: #include <stdio.h>
26: #include <stdlib.h>
27: #include <string.h>
28:
1.81 schwarze 29: #include "mandoc.h"
1.168 schwarze 30: #include "mandoc_aux.h"
1.61 schwarze 31: #include "out.h"
1.1 kristaps 32: #include "term.h"
33: #include "mdoc.h"
1.61 schwarze 34: #include "main.h"
1.54 schwarze 35:
1.1 kristaps 36: struct termpair {
37: struct termpair *ppair;
1.27 schwarze 38: int count;
1.1 kristaps 39: };
40:
1.29 schwarze 41: #define DECL_ARGS struct termp *p, \
42: struct termpair *pair, \
1.166 schwarze 43: const struct mdoc_meta *meta, \
1.146 schwarze 44: struct mdoc_node *n
1.1 kristaps 45:
46: struct termact {
47: int (*pre)(DECL_ARGS);
48: void (*post)(DECL_ARGS);
49: };
1.29 schwarze 50:
1.201 ! schwarze 51: static int a2width(const struct termp *, const char *);
1.62 schwarze 52:
53: static void print_bvspace(struct termp *,
54: const struct mdoc_node *,
55: const struct mdoc_node *);
1.166 schwarze 56: static void print_mdoc_node(DECL_ARGS);
1.65 schwarze 57: static void print_mdoc_nodelist(DECL_ARGS);
1.87 schwarze 58: static void print_mdoc_head(struct termp *, const void *);
59: static void print_mdoc_foot(struct termp *, const void *);
1.166 schwarze 60: static void synopsis_pre(struct termp *,
1.86 schwarze 61: const struct mdoc_node *);
1.62 schwarze 62:
1.29 schwarze 63: static void termp____post(DECL_ARGS);
1.120 schwarze 64: static void termp__t_post(DECL_ARGS);
1.29 schwarze 65: static void termp_bd_post(DECL_ARGS);
1.90 schwarze 66: static void termp_bk_post(DECL_ARGS);
1.29 schwarze 67: static void termp_bl_post(DECL_ARGS);
1.143 schwarze 68: static void termp_fd_post(DECL_ARGS);
1.29 schwarze 69: static void termp_fo_post(DECL_ARGS);
70: static void termp_in_post(DECL_ARGS);
71: static void termp_it_post(DECL_ARGS);
72: static void termp_lb_post(DECL_ARGS);
1.94 schwarze 73: static void termp_nm_post(DECL_ARGS);
1.29 schwarze 74: static void termp_pf_post(DECL_ARGS);
1.107 schwarze 75: static void termp_quote_post(DECL_ARGS);
1.29 schwarze 76: static void termp_sh_post(DECL_ARGS);
77: static void termp_ss_post(DECL_ARGS);
78:
1.104 schwarze 79: static int termp__a_pre(DECL_ARGS);
1.120 schwarze 80: static int termp__t_pre(DECL_ARGS);
1.49 schwarze 81: static int termp_an_pre(DECL_ARGS);
1.29 schwarze 82: static int termp_ap_pre(DECL_ARGS);
83: static int termp_bd_pre(DECL_ARGS);
84: static int termp_bf_pre(DECL_ARGS);
1.90 schwarze 85: static int termp_bk_pre(DECL_ARGS);
1.73 schwarze 86: static int termp_bl_pre(DECL_ARGS);
1.54 schwarze 87: static int termp_bold_pre(DECL_ARGS);
1.29 schwarze 88: static int termp_bt_pre(DECL_ARGS);
1.126 schwarze 89: static int termp_bx_pre(DECL_ARGS);
1.29 schwarze 90: static int termp_cd_pre(DECL_ARGS);
91: static int termp_d1_pre(DECL_ARGS);
92: static int termp_ex_pre(DECL_ARGS);
93: static int termp_fa_pre(DECL_ARGS);
1.107 schwarze 94: static int termp_fd_pre(DECL_ARGS);
1.29 schwarze 95: static int termp_fl_pre(DECL_ARGS);
96: static int termp_fn_pre(DECL_ARGS);
97: static int termp_fo_pre(DECL_ARGS);
98: static int termp_ft_pre(DECL_ARGS);
99: static int termp_in_pre(DECL_ARGS);
100: static int termp_it_pre(DECL_ARGS);
1.65 schwarze 101: static int termp_li_pre(DECL_ARGS);
1.162 schwarze 102: static int termp_ll_pre(DECL_ARGS);
1.29 schwarze 103: static int termp_lk_pre(DECL_ARGS);
104: static int termp_nd_pre(DECL_ARGS);
105: static int termp_nm_pre(DECL_ARGS);
106: static int termp_ns_pre(DECL_ARGS);
1.107 schwarze 107: static int termp_quote_pre(DECL_ARGS);
1.29 schwarze 108: static int termp_rs_pre(DECL_ARGS);
109: static int termp_rv_pre(DECL_ARGS);
110: static int termp_sh_pre(DECL_ARGS);
1.193 schwarze 111: static int termp_skip_pre(DECL_ARGS);
1.29 schwarze 112: static int termp_sm_pre(DECL_ARGS);
1.38 schwarze 113: static int termp_sp_pre(DECL_ARGS);
1.29 schwarze 114: static int termp_ss_pre(DECL_ARGS);
1.54 schwarze 115: static int termp_under_pre(DECL_ARGS);
1.29 schwarze 116: static int termp_ud_pre(DECL_ARGS);
1.69 schwarze 117: static int termp_vt_pre(DECL_ARGS);
1.29 schwarze 118: static int termp_xr_pre(DECL_ARGS);
119: static int termp_xx_pre(DECL_ARGS);
1.1 kristaps 120:
1.54 schwarze 121: static const struct termact termacts[MDOC_MAX] = {
1.11 schwarze 122: { termp_ap_pre, NULL }, /* Ap */
1.1 kristaps 123: { NULL, NULL }, /* Dd */
124: { NULL, NULL }, /* Dt */
125: { NULL, NULL }, /* Os */
126: { termp_sh_pre, termp_sh_post }, /* Sh */
1.166 schwarze 127: { termp_ss_pre, termp_ss_post }, /* Ss */
128: { termp_sp_pre, NULL }, /* Pp */
1.143 schwarze 129: { termp_d1_pre, termp_bl_post }, /* D1 */
130: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 131: { termp_bd_pre, termp_bd_post }, /* Bd */
132: { NULL, NULL }, /* Ed */
1.73 schwarze 133: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 134: { NULL, NULL }, /* El */
135: { termp_it_pre, termp_it_post }, /* It */
1.166 schwarze 136: { termp_under_pre, NULL }, /* Ad */
1.181 schwarze 137: { termp_an_pre, NULL }, /* An */
1.54 schwarze 138: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 139: { termp_cd_pre, NULL }, /* Cd */
1.54 schwarze 140: { termp_bold_pre, NULL }, /* Cm */
1.166 schwarze 141: { NULL, NULL }, /* Dv */
142: { NULL, NULL }, /* Er */
143: { NULL, NULL }, /* Ev */
1.1 kristaps 144: { termp_ex_pre, NULL }, /* Ex */
1.166 schwarze 145: { termp_fa_pre, NULL }, /* Fa */
146: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 147: { termp_fl_pre, NULL }, /* Fl */
1.166 schwarze 148: { termp_fn_pre, NULL }, /* Fn */
149: { termp_ft_pre, NULL }, /* Ft */
150: { termp_bold_pre, NULL }, /* Ic */
151: { termp_in_pre, termp_in_post }, /* In */
1.65 schwarze 152: { termp_li_pre, NULL }, /* Li */
1.166 schwarze 153: { termp_nd_pre, NULL }, /* Nd */
154: { termp_nm_pre, termp_nm_post }, /* Nm */
1.107 schwarze 155: { termp_quote_pre, termp_quote_post }, /* Op */
1.170 schwarze 156: { termp_ft_pre, NULL }, /* Ot */
1.54 schwarze 157: { termp_under_pre, NULL }, /* Pa */
1.1 kristaps 158: { termp_rv_pre, NULL }, /* Rv */
1.166 schwarze 159: { NULL, NULL }, /* St */
1.54 schwarze 160: { termp_under_pre, NULL }, /* Va */
1.86 schwarze 161: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 162: { termp_xr_pre, NULL }, /* Xr */
1.104 schwarze 163: { termp__a_pre, termp____post }, /* %A */
1.58 schwarze 164: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 165: { NULL, termp____post }, /* %D */
1.58 schwarze 166: { termp_under_pre, termp____post }, /* %I */
1.54 schwarze 167: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 168: { NULL, termp____post }, /* %N */
169: { NULL, termp____post }, /* %O */
170: { NULL, termp____post }, /* %P */
171: { NULL, termp____post }, /* %R */
1.120 schwarze 172: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 173: { NULL, termp____post }, /* %V */
174: { NULL, NULL }, /* Ac */
1.107 schwarze 175: { termp_quote_pre, termp_quote_post }, /* Ao */
176: { termp_quote_pre, termp_quote_post }, /* Aq */
1.32 schwarze 177: { NULL, NULL }, /* At */
1.1 kristaps 178: { NULL, NULL }, /* Bc */
1.166 schwarze 179: { termp_bf_pre, NULL }, /* Bf */
1.107 schwarze 180: { termp_quote_pre, termp_quote_post }, /* Bo */
181: { termp_quote_pre, termp_quote_post }, /* Bq */
1.26 schwarze 182: { termp_xx_pre, NULL }, /* Bsx */
1.126 schwarze 183: { termp_bx_pre, NULL }, /* Bx */
1.193 schwarze 184: { termp_skip_pre, NULL }, /* Db */
1.1 kristaps 185: { NULL, NULL }, /* Dc */
1.107 schwarze 186: { termp_quote_pre, termp_quote_post }, /* Do */
187: { termp_quote_pre, termp_quote_post }, /* Dq */
1.73 schwarze 188: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 189: { NULL, NULL }, /* Ef */
1.166 schwarze 190: { termp_under_pre, NULL }, /* Em */
1.139 schwarze 191: { termp_quote_pre, termp_quote_post }, /* Eo */
1.26 schwarze 192: { termp_xx_pre, NULL }, /* Fx */
1.98 schwarze 193: { termp_bold_pre, NULL }, /* Ms */
1.189 schwarze 194: { termp_li_pre, NULL }, /* No */
1.1 kristaps 195: { termp_ns_pre, NULL }, /* Ns */
1.26 schwarze 196: { termp_xx_pre, NULL }, /* Nx */
197: { termp_xx_pre, NULL }, /* Ox */
1.1 kristaps 198: { NULL, NULL }, /* Pc */
1.156 schwarze 199: { NULL, termp_pf_post }, /* Pf */
1.107 schwarze 200: { termp_quote_pre, termp_quote_post }, /* Po */
201: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 202: { NULL, NULL }, /* Qc */
1.107 schwarze 203: { termp_quote_pre, termp_quote_post }, /* Ql */
204: { termp_quote_pre, termp_quote_post }, /* Qo */
205: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 206: { NULL, NULL }, /* Re */
207: { termp_rs_pre, NULL }, /* Rs */
208: { NULL, NULL }, /* Sc */
1.107 schwarze 209: { termp_quote_pre, termp_quote_post }, /* So */
210: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 211: { termp_sm_pre, NULL }, /* Sm */
1.54 schwarze 212: { termp_under_pre, NULL }, /* Sx */
213: { termp_bold_pre, NULL }, /* Sy */
1.1 kristaps 214: { NULL, NULL }, /* Tn */
1.26 schwarze 215: { termp_xx_pre, NULL }, /* Ux */
1.1 kristaps 216: { NULL, NULL }, /* Xc */
217: { NULL, NULL }, /* Xo */
1.166 schwarze 218: { termp_fo_pre, termp_fo_post }, /* Fo */
219: { NULL, NULL }, /* Fc */
1.107 schwarze 220: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 221: { NULL, NULL }, /* Oc */
1.90 schwarze 222: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 223: { NULL, NULL }, /* Ek */
224: { termp_bt_pre, NULL }, /* Bt */
225: { NULL, NULL }, /* Hf */
1.170 schwarze 226: { termp_under_pre, NULL }, /* Fr */
1.1 kristaps 227: { termp_ud_pre, NULL }, /* Ud */
1.32 schwarze 228: { NULL, termp_lb_post }, /* Lb */
1.166 schwarze 229: { termp_sp_pre, NULL }, /* Lp */
230: { termp_lk_pre, NULL }, /* Lk */
231: { termp_under_pre, NULL }, /* Mt */
232: { termp_quote_pre, termp_quote_post }, /* Brq */
233: { termp_quote_pre, termp_quote_post }, /* Bro */
234: { NULL, NULL }, /* Brc */
235: { NULL, termp____post }, /* %C */
1.193 schwarze 236: { termp_skip_pre, NULL }, /* Es */
1.170 schwarze 237: { termp_quote_pre, termp_quote_post }, /* En */
1.166 schwarze 238: { termp_xx_pre, NULL }, /* Dx */
239: { NULL, termp____post }, /* %Q */
1.54 schwarze 240: { termp_sp_pre, NULL }, /* br */
1.166 schwarze 241: { termp_sp_pre, NULL }, /* sp */
242: { NULL, termp____post }, /* %U */
243: { NULL, NULL }, /* Ta */
1.162 schwarze 244: { termp_ll_pre, NULL }, /* ll */
1.1 kristaps 245: };
246:
247:
1.55 schwarze 248: void
1.61 schwarze 249: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1 kristaps 250: {
1.147 schwarze 251: const struct mdoc_meta *meta;
1.180 schwarze 252: struct mdoc_node *n;
1.61 schwarze 253: struct termp *p;
254:
255: p = (struct termp *)arg;
1.71 schwarze 256:
257: p->overstep = 0;
1.180 schwarze 258: p->rmargin = p->maxrmargin = p->defrmargin;
1.89 schwarze 259: p->tabwidth = term_len(p, 5);
1.55 schwarze 260:
1.180 schwarze 261: n = mdoc_node(mdoc)->child;
1.147 schwarze 262: meta = mdoc_meta(mdoc);
1.55 schwarze 263:
1.180 schwarze 264: if (p->synopsisonly) {
265: while (n != NULL) {
266: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
267: if (n->child->next->child != NULL)
268: print_mdoc_nodelist(p, NULL,
269: meta, n->child->next->child);
270: term_newln(p);
271: break;
272: }
273: n = n->next;
274: }
275: } else {
276: if (p->defindent == 0)
277: p->defindent = 5;
278: term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
279: if (n != NULL) {
280: if (n->tok != MDOC_Sh)
281: term_vspace(p);
282: print_mdoc_nodelist(p, NULL, meta, n);
283: }
284: term_end(p);
1.173 schwarze 285: }
1.1 kristaps 286: }
287:
288: static void
1.65 schwarze 289: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 290: {
291:
1.147 schwarze 292: print_mdoc_node(p, pair, meta, n);
1.60 schwarze 293: if (n->next)
1.147 schwarze 294: print_mdoc_nodelist(p, pair, meta, n->next);
1.1 kristaps 295: }
296:
297: static void
1.65 schwarze 298: print_mdoc_node(DECL_ARGS)
1.1 kristaps 299: {
1.65 schwarze 300: int chld;
1.1 kristaps 301: struct termpair npair;
1.28 schwarze 302: size_t offset, rmargin;
1.1 kristaps 303:
1.54 schwarze 304: chld = 1;
1.28 schwarze 305: offset = p->offset;
306: rmargin = p->rmargin;
1.146 schwarze 307: n->prev_font = term_fontq(p);
1.1 kristaps 308:
1.63 schwarze 309: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 310: npair.ppair = pair;
1.65 schwarze 311:
1.95 schwarze 312: /*
313: * Keeps only work until the end of a line. If a keep was
314: * invoked in a prior line, revert it to PREKEEP.
315: */
316:
1.155 schwarze 317: if (TERMP_KEEP & p->flags) {
1.154 schwarze 318: if (n->prev ? (n->prev->lastline != n->line) :
1.150 schwarze 319: (n->parent && n->parent->line != n->line)) {
1.95 schwarze 320: p->flags &= ~TERMP_KEEP;
321: p->flags |= TERMP_PREKEEP;
322: }
323: }
1.116 schwarze 324:
325: /*
1.128 schwarze 326: * After the keep flags have been set up, we may now
327: * produce output. Note that some pre-handlers do so.
328: */
329:
330: switch (n->type) {
1.166 schwarze 331: case MDOC_TEXT:
1.128 schwarze 332: if (' ' == *n->string && MDOC_LINE & n->flags)
333: term_newln(p);
1.132 schwarze 334: if (MDOC_DELIMC & n->flags)
335: p->flags |= TERMP_NOSPACE;
1.128 schwarze 336: term_word(p, n->string);
1.132 schwarze 337: if (MDOC_DELIMO & n->flags)
338: p->flags |= TERMP_NOSPACE;
1.128 schwarze 339: break;
1.166 schwarze 340: case MDOC_EQN:
1.183 schwarze 341: if ( ! (n->flags & MDOC_LINE))
342: p->flags |= TERMP_NOSPACE;
1.135 schwarze 343: term_eqn(p, n->eqn);
1.185 schwarze 344: if (n->next != NULL && ! (n->next->flags & MDOC_LINE))
1.184 schwarze 345: p->flags |= TERMP_NOSPACE;
1.131 schwarze 346: break;
1.166 schwarze 347: case MDOC_TBL:
1.128 schwarze 348: term_tbl(p, n->span);
349: break;
350: default:
1.194 schwarze 351: if (termacts[n->tok].pre &&
352: (n->end == ENDBODY_NOT || n->nchild))
1.128 schwarze 353: chld = (*termacts[n->tok].pre)
1.147 schwarze 354: (p, &npair, meta, n);
1.128 schwarze 355: break;
356: }
1.95 schwarze 357:
1.60 schwarze 358: if (chld && n->child)
1.147 schwarze 359: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 360:
1.146 schwarze 361: term_fontpopq(p,
362: (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.1 kristaps 363:
1.122 schwarze 364: switch (n->type) {
1.166 schwarze 365: case MDOC_TEXT:
1.122 schwarze 366: break;
1.166 schwarze 367: case MDOC_TBL:
1.131 schwarze 368: break;
1.166 schwarze 369: case MDOC_EQN:
1.122 schwarze 370: break;
371: default:
372: if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
373: break;
1.147 schwarze 374: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.93 schwarze 375:
376: /*
377: * Explicit end tokens not only call the post
378: * handler, but also tell the respective block
379: * that it must not call the post handler again.
380: */
1.95 schwarze 381: if (ENDBODY_NOT != n->end)
1.93 schwarze 382: n->pending->flags |= MDOC_ENDED;
383:
384: /*
385: * End of line terminating an implicit block
386: * while an explicit block is still open.
387: * Continue the explicit block without spacing.
388: */
389: if (ENDBODY_NOSPACE == n->end)
390: p->flags |= TERMP_NOSPACE;
1.122 schwarze 391: break;
1.93 schwarze 392: }
1.28 schwarze 393:
1.78 schwarze 394: if (MDOC_EOS & n->flags)
395: p->flags |= TERMP_SENTENCE;
396:
1.162 schwarze 397: if (MDOC_ll != n->tok) {
398: p->offset = offset;
399: p->rmargin = rmargin;
400: }
1.1 kristaps 401: }
402:
403: static void
1.87 schwarze 404: print_mdoc_foot(struct termp *p, const void *arg)
1.1 kristaps 405: {
1.147 schwarze 406: const struct mdoc_meta *meta;
1.191 schwarze 407: size_t sz;
1.87 schwarze 408:
1.147 schwarze 409: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 410:
1.65 schwarze 411: term_fontrepl(p, TERMFONT_NONE);
412:
1.166 schwarze 413: /*
1.7 schwarze 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:
1.7 schwarze 423: p->offset = 0;
1.191 schwarze 424: sz = term_strlen(p, meta->date);
425: p->rmargin = p->maxrmargin > sz ?
426: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.152 schwarze 427: p->trailspace = 1;
1.1 kristaps 428: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
429:
1.147 schwarze 430: term_word(p, meta->os);
1.1 kristaps 431: term_flushln(p);
432:
1.7 schwarze 433: p->offset = p->rmargin;
1.191 schwarze 434: sz = term_strlen(p, meta->os);
435: p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.136 schwarze 436: p->flags |= TERMP_NOSPACE;
1.7 schwarze 437:
1.147 schwarze 438: term_word(p, meta->date);
1.7 schwarze 439: term_flushln(p);
440:
1.1 kristaps 441: p->offset = p->rmargin;
442: p->rmargin = p->maxrmargin;
1.152 schwarze 443: p->trailspace = 0;
1.1 kristaps 444: p->flags &= ~TERMP_NOBREAK;
1.136 schwarze 445: p->flags |= TERMP_NOSPACE;
1.1 kristaps 446:
1.147 schwarze 447: term_word(p, meta->os);
1.1 kristaps 448: term_flushln(p);
1.7 schwarze 449:
450: p->offset = 0;
451: p->rmargin = p->maxrmargin;
452: p->flags = 0;
1.1 kristaps 453: }
454:
455: static void
1.87 schwarze 456: print_mdoc_head(struct termp *p, const void *arg)
1.1 kristaps 457: {
1.168 schwarze 458: const struct mdoc_meta *meta;
1.169 schwarze 459: char *volume, *title;
460: size_t vollen, titlen;
1.87 schwarze 461:
1.147 schwarze 462: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 463:
464: /*
465: * The header is strange. It has three components, which are
466: * really two with the first duplicated. It goes like this:
467: *
468: * IDENTIFIER TITLE IDENTIFIER
469: *
470: * The IDENTIFIER is NAME(SECTION), which is the command-name
471: * (if given, or "unknown" if not) followed by the manual page
472: * section. These are given in `Dt'. The TITLE is a free-form
473: * string depending on the manual volume. If not specified, it
474: * switches on the manual section.
475: */
1.137 schwarze 476:
1.147 schwarze 477: assert(meta->vol);
1.169 schwarze 478: if (NULL == meta->arch)
479: volume = mandoc_strdup(meta->vol);
480: else
481: mandoc_asprintf(&volume, "%s (%s)",
482: meta->vol, meta->arch);
483: vollen = term_strlen(p, volume);
1.1 kristaps 484:
1.177 schwarze 485: if (NULL == meta->msec)
486: title = mandoc_strdup(meta->title);
487: else
488: mandoc_asprintf(&title, "%s(%s)",
489: meta->title, meta->msec);
1.137 schwarze 490: titlen = term_strlen(p, title);
1.1 kristaps 491:
1.137 schwarze 492: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.152 schwarze 493: p->trailspace = 1;
1.1 kristaps 494: p->offset = 0;
1.169 schwarze 495: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
496: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.191 schwarze 497: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 498:
499: term_word(p, title);
500: term_flushln(p);
501:
1.137 schwarze 502: p->flags |= TERMP_NOSPACE;
1.1 kristaps 503: p->offset = p->rmargin;
1.169 schwarze 504: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.137 schwarze 505: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 506:
1.169 schwarze 507: term_word(p, volume);
1.1 kristaps 508: term_flushln(p);
509:
510: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 511: p->trailspace = 0;
1.137 schwarze 512: if (p->rmargin + titlen <= p->maxrmargin) {
513: p->flags |= TERMP_NOSPACE;
514: p->offset = p->rmargin;
515: p->rmargin = p->maxrmargin;
516: term_word(p, title);
517: term_flushln(p);
518: }
1.1 kristaps 519:
1.137 schwarze 520: p->flags &= ~TERMP_NOSPACE;
1.8 schwarze 521: p->offset = 0;
1.1 kristaps 522: p->rmargin = p->maxrmargin;
1.168 schwarze 523: free(title);
1.169 schwarze 524: free(volume);
1.1 kristaps 525: }
526:
1.201 ! schwarze 527: static int
1.89 schwarze 528: a2width(const struct termp *p, const char *v)
1.61 schwarze 529: {
530: struct roffsu su;
1.1 kristaps 531:
1.199 schwarze 532: if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.89 schwarze 533: SCALE_HS_INIT(&su, term_strlen(p, v));
1.182 schwarze 534: su.scale /= term_strlen(p, "0");
1.201 ! schwarze 535: }
1.89 schwarze 536: return(term_hspan(p, &su));
1.1 kristaps 537: }
538:
1.68 schwarze 539: /*
540: * Determine how much space to print out before block elements of `It'
541: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
542: * too.
543: */
1.45 schwarze 544: static void
1.166 schwarze 545: print_bvspace(struct termp *p,
546: const struct mdoc_node *bl,
547: const struct mdoc_node *n)
1.1 kristaps 548: {
1.60 schwarze 549: const struct mdoc_node *nn;
1.138 schwarze 550:
551: assert(n);
1.1 kristaps 552:
553: term_newln(p);
1.88 schwarze 554:
1.121 schwarze 555: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.88 schwarze 556: return;
1.121 schwarze 557: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.45 schwarze 558: return;
559:
1.60 schwarze 560: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 561:
1.188 schwarze 562: nn = n;
563: while (nn->prev == NULL) {
564: do {
565: nn = nn->parent;
566: if (nn->type == MDOC_ROOT)
567: return;
568: } while (nn->type != MDOC_BLOCK);
569: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.45 schwarze 570: return;
1.188 schwarze 571: if (nn->tok == MDOC_It &&
572: nn->parent->parent->norm->Bl.type != LIST_item)
573: break;
1.1 kristaps 574: }
575:
1.60 schwarze 576: /* A `-column' does not assert vspace within the list. */
1.45 schwarze 577:
1.121 schwarze 578: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.60 schwarze 579: if (n->prev && MDOC_It == n->prev->tok)
1.45 schwarze 580: return;
581:
1.60 schwarze 582: /* A `-diag' without body does not vspace. */
583:
1.121 schwarze 584: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.60 schwarze 585: if (n->prev && MDOC_It == n->prev->tok) {
586: assert(n->prev->body);
587: if (NULL == n->prev->body->child)
1.45 schwarze 588: return;
589: }
590:
591: term_vspace(p);
1.162 schwarze 592: }
593:
594:
595: static int
596: termp_ll_pre(DECL_ARGS)
597: {
598:
1.163 schwarze 599: term_setwidth(p, n->nchild ? n->child->string : NULL);
1.162 schwarze 600: return(0);
1.1 kristaps 601: }
602:
603: static int
604: termp_it_pre(DECL_ARGS)
605: {
1.201 ! schwarze 606: char buf[24];
1.60 schwarze 607: const struct mdoc_node *bl, *nn;
1.201 ! schwarze 608: size_t ncols, dcol;
! 609: int i, offset, width;
1.82 schwarze 610: enum mdoc_list type;
1.1 kristaps 611:
1.60 schwarze 612: if (MDOC_BLOCK == n->type) {
1.61 schwarze 613: print_bvspace(p, n->parent->parent, n);
1.45 schwarze 614: return(1);
615: }
1.1 kristaps 616:
1.60 schwarze 617: bl = n->parent->parent->parent;
1.121 schwarze 618: type = bl->norm->Bl.type;
1.1 kristaps 619:
1.166 schwarze 620: /*
1.201 ! schwarze 621: * Defaults for specific list types.
! 622: */
! 623:
! 624: switch (type) {
! 625: case LIST_bullet:
! 626: /* FALLTHROUGH */
! 627: case LIST_dash:
! 628: /* FALLTHROUGH */
! 629: case LIST_hyphen:
! 630: /* FALLTHROUGH */
! 631: case LIST_enum:
! 632: width = term_len(p, 2);
! 633: break;
! 634: case LIST_hang:
! 635: width = term_len(p, 8);
! 636: break;
! 637: case LIST_column:
! 638: /* FALLTHROUGH */
! 639: case LIST_tag:
! 640: width = term_len(p, 10);
! 641: break;
! 642: default:
! 643: width = 0;
! 644: break;
! 645: }
! 646: offset = 0;
! 647:
! 648: /*
1.68 schwarze 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:
1.201 ! schwarze 654: if (bl->norm->Bl.offs != NULL) {
1.187 schwarze 655: offset = a2width(p, bl->norm->Bl.offs);
1.201 ! schwarze 656: if (offset < 0 && (size_t)(-offset) > p->offset)
! 657: offset = -p->offset;
! 658: else if (offset > SHRT_MAX)
! 659: offset = 0;
! 660: }
1.66 schwarze 661:
1.1 kristaps 662: switch (type) {
1.166 schwarze 663: case LIST_column:
1.85 schwarze 664: if (MDOC_HEAD == n->type)
1.1 kristaps 665: break;
1.88 schwarze 666:
1.66 schwarze 667: /*
1.68 schwarze 668: * Imitate groff's column handling:
669: * - For each earlier column, add its width.
670: * - For less than 5 columns, add four more blanks per
671: * column.
672: * - For exactly 5 columns, add three more blank per
673: * column.
674: * - For more than 5 columns, add only one column.
1.66 schwarze 675: */
1.121 schwarze 676: ncols = bl->norm->Bl.ncols;
1.166 schwarze 677: dcol = ncols < 5 ? term_len(p, 4) :
678: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68 schwarze 679:
1.85 schwarze 680: /*
681: * Calculate the offset by applying all prior MDOC_BODY,
682: * so we stop at the MDOC_HEAD (NULL == nn->prev).
683: */
684:
1.166 schwarze 685: for (i = 0, nn = n->prev;
686: nn->prev && i < (int)ncols;
687: nn = nn->prev, i++)
688: offset += dcol + a2width(p,
689: bl->norm->Bl.cols[i]);
1.66 schwarze 690:
691: /*
1.68 schwarze 692: * When exceeding the declared number of columns, leave
693: * the remaining widths at 0. This will later be
694: * adjusted to the default width of 10, or, for the last
695: * column, stretched to the right margin.
1.46 schwarze 696: */
1.68 schwarze 697: if (i >= (int)ncols)
698: break;
1.46 schwarze 699:
1.66 schwarze 700: /*
1.68 schwarze 701: * Use the declared column widths, extended as explained
702: * in the preceding paragraph.
1.66 schwarze 703: */
1.121 schwarze 704: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 705: break;
706: default:
1.121 schwarze 707: if (NULL == bl->norm->Bl.width)
1.68 schwarze 708: break;
709:
1.166 schwarze 710: /*
1.68 schwarze 711: * Note: buffer the width by 2, which is groff's magic
712: * number for buffering single arguments. See the above
713: * handling for column for how this changes.
714: */
1.121 schwarze 715: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.201 ! schwarze 716: if (width < 0 && (size_t)(-width) > p->offset)
! 717: width = -p->offset;
! 718: else if (width > SHRT_MAX)
! 719: width = 0;
1.1 kristaps 720: break;
721: }
722:
1.166 schwarze 723: /*
1.16 schwarze 724: * Whitespace control. Inset bodies need an initial space,
725: * while diagonal bodies need two.
1.1 kristaps 726: */
727:
1.42 schwarze 728: p->flags |= TERMP_NOSPACE;
729:
1.1 kristaps 730: switch (type) {
1.166 schwarze 731: case LIST_diag:
1.60 schwarze 732: if (MDOC_BODY == n->type)
1.48 schwarze 733: term_word(p, "\\ \\ ");
1.42 schwarze 734: break;
1.166 schwarze 735: case LIST_inset:
1.172 schwarze 736: if (MDOC_BODY == n->type && n->parent->head->nchild)
1.42 schwarze 737: term_word(p, "\\ ");
1.1 kristaps 738: break;
739: default:
740: break;
741: }
742:
1.42 schwarze 743: p->flags |= TERMP_NOSPACE;
744:
1.1 kristaps 745: switch (type) {
1.166 schwarze 746: case LIST_diag:
1.60 schwarze 747: if (MDOC_HEAD == n->type)
1.65 schwarze 748: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 749: break;
750: default:
751: break;
752: }
753:
754: /*
1.68 schwarze 755: * Pad and break control. This is the tricky part. These flags
756: * are documented in term_flushln() in term.c. Note that we're
757: * going to unset all of these flags in termp_it_post() when we
758: * exit.
1.1 kristaps 759: */
760:
761: switch (type) {
1.166 schwarze 762: case LIST_enum:
1.144 schwarze 763: /*
764: * Weird special case.
1.201 ! schwarze 765: * Some very narrow lists actually hang.
1.144 schwarze 766: */
767: /* FALLTHROUGH */
1.166 schwarze 768: case LIST_bullet:
1.1 kristaps 769: /* FALLTHROUGH */
1.166 schwarze 770: case LIST_dash:
1.1 kristaps 771: /* FALLTHROUGH */
1.166 schwarze 772: case LIST_hyphen:
1.201 ! schwarze 773: if (width <= (int)term_len(p, 2))
! 774: p->flags |= TERMP_HANG;
1.152 schwarze 775: if (MDOC_HEAD != n->type)
776: break;
777: p->flags |= TERMP_NOBREAK;
778: p->trailspace = 1;
1.33 schwarze 779: break;
1.166 schwarze 780: case LIST_hang:
1.152 schwarze 781: if (MDOC_HEAD != n->type)
1.47 schwarze 782: break;
783:
784: /*
785: * This is ugly. If `-hang' is specified and the body
786: * is a `Bl' or `Bd', then we want basically to nullify
787: * the "overstep" effect in term_flushln() and treat
788: * this as a `-ohang' list instead.
789: */
1.178 schwarze 790: if (NULL != n->next &&
791: NULL != n->next->child &&
1.166 schwarze 792: (MDOC_Bl == n->next->child->tok ||
793: MDOC_Bd == n->next->child->tok))
1.152 schwarze 794: break;
795:
1.165 schwarze 796: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.152 schwarze 797: p->trailspace = 1;
1.33 schwarze 798: break;
1.166 schwarze 799: case LIST_tag:
1.60 schwarze 800: if (MDOC_HEAD != n->type)
1.33 schwarze 801: break;
1.152 schwarze 802:
1.165 schwarze 803: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 804: p->trailspace = 2;
805:
1.60 schwarze 806: if (NULL == n->next || NULL == n->next->child)
1.33 schwarze 807: p->flags |= TERMP_DANGLE;
1.1 kristaps 808: break;
1.166 schwarze 809: case LIST_column:
1.85 schwarze 810: if (MDOC_HEAD == n->type)
811: break;
812:
1.152 schwarze 813: if (NULL == n->next) {
1.85 schwarze 814: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 815: p->trailspace = 0;
816: } else {
1.85 schwarze 817: p->flags |= TERMP_NOBREAK;
1.152 schwarze 818: p->trailspace = 1;
819: }
1.85 schwarze 820:
1.1 kristaps 821: break;
1.166 schwarze 822: case LIST_diag:
1.152 schwarze 823: if (MDOC_HEAD != n->type)
824: break;
1.165 schwarze 825: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 826: p->trailspace = 1;
1.1 kristaps 827: break;
828: default:
829: break;
830: }
831:
1.166 schwarze 832: /*
1.1 kristaps 833: * Margin control. Set-head-width lists have their right
834: * margins shortened. The body for these lists has the offset
835: * necessarily lengthened. Everybody gets the offset.
836: */
837:
838: p->offset += offset;
839:
840: switch (type) {
1.166 schwarze 841: case LIST_hang:
1.47 schwarze 842: /*
843: * Same stipulation as above, regarding `-hang'. We
844: * don't want to recalculate rmargin and offsets when
845: * using `Bd' or `Bl' within `-hang' overstep lists.
846: */
1.178 schwarze 847: if (MDOC_HEAD == n->type &&
848: NULL != n->next &&
849: NULL != n->next->child &&
1.166 schwarze 850: (MDOC_Bl == n->next->child->tok ||
851: MDOC_Bd == n->next->child->tok))
1.47 schwarze 852: break;
853: /* FALLTHROUGH */
1.166 schwarze 854: case LIST_bullet:
1.1 kristaps 855: /* FALLTHROUGH */
1.166 schwarze 856: case LIST_dash:
1.1 kristaps 857: /* FALLTHROUGH */
1.166 schwarze 858: case LIST_enum:
1.1 kristaps 859: /* FALLTHROUGH */
1.166 schwarze 860: case LIST_hyphen:
1.33 schwarze 861: /* FALLTHROUGH */
1.166 schwarze 862: case LIST_tag:
1.60 schwarze 863: if (MDOC_HEAD == n->type)
1.1 kristaps 864: p->rmargin = p->offset + width;
1.191 schwarze 865: else
1.1 kristaps 866: p->offset += width;
867: break;
1.166 schwarze 868: case LIST_column:
1.41 schwarze 869: assert(width);
1.1 kristaps 870: p->rmargin = p->offset + width;
1.166 schwarze 871: /*
1.43 schwarze 872: * XXX - this behaviour is not documented: the
873: * right-most column is filled to the right margin.
874: */
1.85 schwarze 875: if (MDOC_HEAD == n->type)
876: break;
877: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43 schwarze 878: p->rmargin = p->maxrmargin;
1.1 kristaps 879: break;
880: default:
881: break;
882: }
883:
1.166 schwarze 884: /*
1.1 kristaps 885: * The dash, hyphen, bullet and enum lists all have a special
1.166 schwarze 886: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 887: */
888:
1.60 schwarze 889: if (MDOC_HEAD == n->type)
1.1 kristaps 890: switch (type) {
1.166 schwarze 891: case LIST_bullet:
1.65 schwarze 892: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 893: term_word(p, "\\[bu]");
1.65 schwarze 894: term_fontpop(p);
1.1 kristaps 895: break;
1.166 schwarze 896: case LIST_dash:
1.1 kristaps 897: /* FALLTHROUGH */
1.166 schwarze 898: case LIST_hyphen:
1.65 schwarze 899: term_fontpush(p, TERMFONT_BOLD);
1.35 schwarze 900: term_word(p, "\\(hy");
1.65 schwarze 901: term_fontpop(p);
1.1 kristaps 902: break;
1.166 schwarze 903: case LIST_enum:
1.1 kristaps 904: (pair->ppair->ppair->count)++;
1.167 schwarze 905: (void)snprintf(buf, sizeof(buf), "%d.",
1.166 schwarze 906: pair->ppair->ppair->count);
1.1 kristaps 907: term_word(p, buf);
908: break;
909: default:
910: break;
911: }
1.12 schwarze 912:
1.166 schwarze 913: /*
1.1 kristaps 914: * If we're not going to process our children, indicate so here.
915: */
916:
917: switch (type) {
1.166 schwarze 918: case LIST_bullet:
1.1 kristaps 919: /* FALLTHROUGH */
1.166 schwarze 920: case LIST_item:
1.1 kristaps 921: /* FALLTHROUGH */
1.166 schwarze 922: case LIST_dash:
1.1 kristaps 923: /* FALLTHROUGH */
1.166 schwarze 924: case LIST_hyphen:
1.1 kristaps 925: /* FALLTHROUGH */
1.166 schwarze 926: case LIST_enum:
1.60 schwarze 927: if (MDOC_HEAD == n->type)
1.1 kristaps 928: return(0);
929: break;
1.166 schwarze 930: case LIST_column:
1.85 schwarze 931: if (MDOC_HEAD == n->type)
1.1 kristaps 932: return(0);
933: break;
934: default:
935: break;
936: }
937:
938: return(1);
939: }
940:
941: static void
942: termp_it_post(DECL_ARGS)
943: {
1.82 schwarze 944: enum mdoc_list type;
1.1 kristaps 945:
1.68 schwarze 946: if (MDOC_BLOCK == n->type)
1.1 kristaps 947: return;
948:
1.121 schwarze 949: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 950:
951: switch (type) {
1.166 schwarze 952: case LIST_item:
1.44 schwarze 953: /* FALLTHROUGH */
1.166 schwarze 954: case LIST_diag:
1.1 kristaps 955: /* FALLTHROUGH */
1.166 schwarze 956: case LIST_inset:
1.60 schwarze 957: if (MDOC_BODY == n->type)
1.74 schwarze 958: term_newln(p);
1.1 kristaps 959: break;
1.166 schwarze 960: case LIST_column:
1.85 schwarze 961: if (MDOC_BODY == n->type)
1.1 kristaps 962: term_flushln(p);
963: break;
964: default:
1.74 schwarze 965: term_newln(p);
1.1 kristaps 966: break;
967: }
968:
1.166 schwarze 969: /*
1.68 schwarze 970: * Now that our output is flushed, we can reset our tags. Since
971: * only `It' sets these flags, we're free to assume that nobody
972: * has munged them in the meanwhile.
973: */
974:
1.165 schwarze 975: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
976: TERMP_DANGLE | TERMP_HANG);
1.152 schwarze 977: p->trailspace = 0;
1.1 kristaps 978: }
979:
980: static int
981: termp_nm_pre(DECL_ARGS)
982: {
1.195 schwarze 983: const char *cp;
1.1 kristaps 984:
1.155 schwarze 985: if (MDOC_BLOCK == n->type) {
986: p->flags |= TERMP_PREKEEP;
1.94 schwarze 987: return(1);
1.155 schwarze 988: }
1.94 schwarze 989:
990: if (MDOC_BODY == n->type) {
991: if (NULL == n->child)
992: return(0);
1.136 schwarze 993: p->flags |= TERMP_NOSPACE;
1.195 schwarze 994: cp = NULL;
995: if (n->prev->child != NULL)
996: cp = n->prev->child->string;
997: if (cp == NULL)
998: cp = meta->name;
999: if (cp == NULL)
1000: p->offset += term_len(p, 6);
1001: else
1002: p->offset += term_len(p, 1) + term_strlen(p, cp);
1.94 schwarze 1003: return(1);
1004: }
1005:
1.147 schwarze 1006: if (NULL == n->child && NULL == meta->name)
1.94 schwarze 1007: return(0);
1.81 schwarze 1008:
1.97 schwarze 1009: if (MDOC_HEAD == n->type)
1010: synopsis_pre(p, n->parent);
1.65 schwarze 1011:
1.178 schwarze 1012: if (MDOC_HEAD == n->type &&
1013: NULL != n->next && NULL != n->next->child) {
1.165 schwarze 1014: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 1015: p->trailspace = 1;
1.105 schwarze 1016: p->rmargin = p->offset + term_len(p, 1);
1017: if (NULL == n->child) {
1.147 schwarze 1018: p->rmargin += term_strlen(p, meta->name);
1.105 schwarze 1019: } else if (MDOC_TEXT == n->child->type) {
1020: p->rmargin += term_strlen(p, n->child->string);
1021: if (n->child->next)
1022: p->flags |= TERMP_HANG;
1023: } else {
1024: p->rmargin += term_len(p, 5);
1025: p->flags |= TERMP_HANG;
1026: }
1.94 schwarze 1027: }
1028:
1.65 schwarze 1029: term_fontpush(p, TERMFONT_BOLD);
1.60 schwarze 1030: if (NULL == n->child)
1.147 schwarze 1031: term_word(p, meta->name);
1.1 kristaps 1032: return(1);
1033: }
1034:
1.94 schwarze 1035: static void
1036: termp_nm_post(DECL_ARGS)
1037: {
1038:
1.155 schwarze 1039: if (MDOC_BLOCK == n->type) {
1040: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.178 schwarze 1041: } else if (MDOC_HEAD == n->type &&
1042: NULL != n->next && NULL != n->next->child) {
1.94 schwarze 1043: term_flushln(p);
1.165 schwarze 1044: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.152 schwarze 1045: p->trailspace = 0;
1.136 schwarze 1046: } else if (MDOC_BODY == n->type && n->child)
1.94 schwarze 1047: term_flushln(p);
1048: }
1049:
1.1 kristaps 1050: static int
1051: termp_fl_pre(DECL_ARGS)
1052: {
1053:
1.65 schwarze 1054: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1055: term_word(p, "\\-");
1.67 schwarze 1056:
1.179 schwarze 1057: if ( ! (n->nchild == 0 &&
1058: (n->next == NULL ||
1059: n->next->type == MDOC_TEXT ||
1060: n->next->flags & MDOC_LINE)))
1.73 schwarze 1061: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1062:
1.1 kristaps 1063: return(1);
1.49 schwarze 1064: }
1065:
1066: static int
1.104 schwarze 1067: termp__a_pre(DECL_ARGS)
1068: {
1069:
1070: if (n->prev && MDOC__A == n->prev->tok)
1071: if (NULL == n->next || MDOC__A != n->next->tok)
1072: term_word(p, "and");
1073:
1074: return(1);
1075: }
1076:
1077: static int
1.49 schwarze 1078: termp_an_pre(DECL_ARGS)
1079: {
1080:
1.181 schwarze 1081: if (n->norm->An.auth == AUTH_split) {
1082: p->flags &= ~TERMP_NOSPLIT;
1083: p->flags |= TERMP_SPLIT;
1084: return(0);
1085: }
1086: if (n->norm->An.auth == AUTH_nosplit) {
1087: p->flags &= ~TERMP_SPLIT;
1088: p->flags |= TERMP_NOSPLIT;
1089: return(0);
1090: }
1.49 schwarze 1091:
1.181 schwarze 1092: if (n->child == NULL)
1093: return(0);
1.166 schwarze 1094:
1.181 schwarze 1095: if (p->flags & TERMP_SPLIT)
1.49 schwarze 1096: term_newln(p);
1097:
1.181 schwarze 1098: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1099: p->flags |= TERMP_SPLIT;
1.49 schwarze 1100:
1101: return(1);
1.1 kristaps 1102: }
1103:
1104: static int
1105: termp_ns_pre(DECL_ARGS)
1106: {
1107:
1.127 schwarze 1108: if ( ! (MDOC_LINE & n->flags))
1109: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1110: return(1);
1111: }
1112:
1113: static int
1114: termp_rs_pre(DECL_ARGS)
1115: {
1116:
1.60 schwarze 1117: if (SEC_SEE_ALSO != n->sec)
1.57 schwarze 1118: return(1);
1.60 schwarze 1119: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1120: term_vspace(p);
1121: return(1);
1122: }
1123:
1124: static int
1125: termp_rv_pre(DECL_ARGS)
1126: {
1.132 schwarze 1127: int nchild;
1.1 kristaps 1128:
1129: term_newln(p);
1130:
1.132 schwarze 1131: nchild = n->nchild;
1.175 schwarze 1132: if (nchild > 0) {
1133: term_word(p, "The");
1.132 schwarze 1134:
1.175 schwarze 1135: for (n = n->child; n; n = n->next) {
1136: term_fontpush(p, TERMFONT_BOLD);
1137: term_word(p, n->string);
1138: term_fontpop(p);
1.132 schwarze 1139:
1140: p->flags |= TERMP_NOSPACE;
1.175 schwarze 1141: term_word(p, "()");
1142:
1143: if (n->next == NULL)
1144: continue;
1145:
1146: if (nchild > 2) {
1147: p->flags |= TERMP_NOSPACE;
1148: term_word(p, ",");
1149: }
1150: if (n->next->next == NULL)
1151: term_word(p, "and");
1.132 schwarze 1152: }
1153:
1.175 schwarze 1154: if (nchild > 1)
1155: term_word(p, "functions return");
1156: else
1157: term_word(p, "function returns");
1158:
1159: term_word(p, "the value\\~0 if successful;");
1160: } else
1161: term_word(p, "Upon successful completion,"
1162: " the value\\~0 is returned;");
1.1 kristaps 1163:
1.175 schwarze 1164: term_word(p, "otherwise the value\\~\\-1 is returned"
1165: " and the global variable");
1.1 kristaps 1166:
1.65 schwarze 1167: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1168: term_word(p, "errno");
1.65 schwarze 1169: term_fontpop(p);
1.1 kristaps 1170:
1.166 schwarze 1171: term_word(p, "is set to indicate the error.");
1.84 schwarze 1172: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1173:
1.53 schwarze 1174: return(0);
1.1 kristaps 1175: }
1176:
1177: static int
1178: termp_ex_pre(DECL_ARGS)
1179: {
1.132 schwarze 1180: int nchild;
1.1 kristaps 1181:
1.132 schwarze 1182: term_newln(p);
1.53 schwarze 1183: term_word(p, "The");
1.1 kristaps 1184:
1.132 schwarze 1185: nchild = n->nchild;
1186: for (n = n->child; n; n = n->next) {
1.65 schwarze 1187: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1188: term_word(p, n->string);
1.65 schwarze 1189: term_fontpop(p);
1.132 schwarze 1190:
1191: if (nchild > 2 && n->next) {
1192: p->flags |= TERMP_NOSPACE;
1.53 schwarze 1193: term_word(p, ",");
1.132 schwarze 1194: }
1195:
1196: if (n->next && NULL == n->next->next)
1197: term_word(p, "and");
1.53 schwarze 1198: }
1199:
1.132 schwarze 1200: if (nchild > 1)
1.175 schwarze 1201: term_word(p, "utilities exit\\~0");
1.53 schwarze 1202: else
1.175 schwarze 1203: term_word(p, "utility exits\\~0");
1.53 schwarze 1204:
1.175 schwarze 1205: term_word(p, "on success, and\\~>0 if an error occurs.");
1.132 schwarze 1206:
1.84 schwarze 1207: p->flags |= TERMP_SENTENCE;
1.53 schwarze 1208: return(0);
1.1 kristaps 1209: }
1210:
1211: static int
1212: termp_nd_pre(DECL_ARGS)
1213: {
1.25 schwarze 1214:
1.196 schwarze 1215: if (n->type == MDOC_BODY)
1216: term_word(p, "\\(en");
1.1 kristaps 1217: return(1);
1218: }
1219:
1.73 schwarze 1220: static int
1221: termp_bl_pre(DECL_ARGS)
1222: {
1223:
1224: return(MDOC_HEAD != n->type);
1225: }
1226:
1.1 kristaps 1227: static void
1228: termp_bl_post(DECL_ARGS)
1229: {
1230:
1.60 schwarze 1231: if (MDOC_BLOCK == n->type)
1.1 kristaps 1232: term_newln(p);
1233: }
1234:
1235: static int
1236: termp_xr_pre(DECL_ARGS)
1237: {
1238:
1.132 schwarze 1239: if (NULL == (n = n->child))
1.72 schwarze 1240: return(0);
1241:
1.132 schwarze 1242: assert(MDOC_TEXT == n->type);
1243: term_word(p, n->string);
1.10 schwarze 1244:
1.166 schwarze 1245: if (NULL == (n = n->next))
1.1 kristaps 1246: return(0);
1.132 schwarze 1247:
1.1 kristaps 1248: p->flags |= TERMP_NOSPACE;
1249: term_word(p, "(");
1.132 schwarze 1250: p->flags |= TERMP_NOSPACE;
1251:
1252: assert(MDOC_TEXT == n->type);
1253: term_word(p, n->string);
1254:
1255: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1256: term_word(p, ")");
1.60 schwarze 1257:
1.1 kristaps 1258: return(0);
1259: }
1260:
1.86 schwarze 1261: /*
1262: * This decides how to assert whitespace before any of the SYNOPSIS set
1263: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1264: * macro combos).
1265: */
1266: static void
1267: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1268: {
1.166 schwarze 1269: /*
1.86 schwarze 1270: * Obviously, if we're not in a SYNOPSIS or no prior macros
1271: * exist, do nothing.
1272: */
1.92 schwarze 1273: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.86 schwarze 1274: return;
1275:
1276: /*
1277: * If we're the second in a pair of like elements, emit our
1278: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1279: * case we soldier on.
1280: */
1.166 schwarze 1281: if (n->prev->tok == n->tok &&
1282: MDOC_Ft != n->tok &&
1283: MDOC_Fo != n->tok &&
1284: MDOC_Fn != n->tok) {
1.86 schwarze 1285: term_newln(p);
1286: return;
1287: }
1288:
1289: /*
1290: * If we're one of the SYNOPSIS set and non-like pair-wise after
1291: * another (or Fn/Fo, which we've let slip through) then assert
1292: * vertical space, else only newline and move on.
1293: */
1294: switch (n->prev->tok) {
1.166 schwarze 1295: case MDOC_Fd:
1.86 schwarze 1296: /* FALLTHROUGH */
1.166 schwarze 1297: case MDOC_Fn:
1.86 schwarze 1298: /* FALLTHROUGH */
1.166 schwarze 1299: case MDOC_Fo:
1.86 schwarze 1300: /* FALLTHROUGH */
1.166 schwarze 1301: case MDOC_In:
1.86 schwarze 1302: /* FALLTHROUGH */
1.166 schwarze 1303: case MDOC_Vt:
1.86 schwarze 1304: term_vspace(p);
1305: break;
1.166 schwarze 1306: case MDOC_Ft:
1.86 schwarze 1307: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1308: term_vspace(p);
1309: break;
1310: }
1311: /* FALLTHROUGH */
1312: default:
1313: term_newln(p);
1314: break;
1315: }
1316: }
1317:
1.69 schwarze 1318: static int
1319: termp_vt_pre(DECL_ARGS)
1320: {
1321:
1.86 schwarze 1322: if (MDOC_ELEM == n->type) {
1323: synopsis_pre(p, n);
1.147 schwarze 1324: return(termp_under_pre(p, pair, meta, n));
1.86 schwarze 1325: } else if (MDOC_BLOCK == n->type) {
1326: synopsis_pre(p, n);
1327: return(1);
1328: } else if (MDOC_HEAD == n->type)
1.69 schwarze 1329: return(0);
1330:
1.147 schwarze 1331: return(termp_under_pre(p, pair, meta, n));
1.69 schwarze 1332: }
1333:
1.1 kristaps 1334: static int
1.54 schwarze 1335: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1336: {
1337:
1.65 schwarze 1338: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1339: return(1);
1340: }
1341:
1.86 schwarze 1342: static int
1343: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1344: {
1345:
1.86 schwarze 1346: synopsis_pre(p, n);
1.147 schwarze 1347: return(termp_bold_pre(p, pair, meta, n));
1.1 kristaps 1348: }
1349:
1.143 schwarze 1350: static void
1351: termp_fd_post(DECL_ARGS)
1352: {
1353:
1354: term_newln(p);
1355: }
1356:
1.1 kristaps 1357: static int
1358: termp_sh_pre(DECL_ARGS)
1359: {
1.60 schwarze 1360:
1361: switch (n->type) {
1.166 schwarze 1362: case MDOC_BLOCK:
1.192 schwarze 1363: /*
1364: * Vertical space before sections, except
1365: * when the previous section was empty.
1366: */
1367: if (n->prev == NULL ||
1368: MDOC_Sh != n->prev->tok ||
1369: (n->prev->body != NULL &&
1370: n->prev->body->child != NULL))
1371: term_vspace(p);
1.52 schwarze 1372: break;
1.166 schwarze 1373: case MDOC_HEAD:
1.65 schwarze 1374: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1375: break;
1.166 schwarze 1376: case MDOC_BODY:
1.140 schwarze 1377: p->offset = term_len(p, p->defindent);
1.141 schwarze 1378: if (SEC_AUTHORS == n->sec)
1379: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1380: break;
1381: default:
1382: break;
1383: }
1384: return(1);
1385: }
1386:
1387: static void
1388: termp_sh_post(DECL_ARGS)
1389: {
1390:
1.60 schwarze 1391: switch (n->type) {
1.166 schwarze 1392: case MDOC_HEAD:
1.1 kristaps 1393: term_newln(p);
1394: break;
1.166 schwarze 1395: case MDOC_BODY:
1.1 kristaps 1396: term_newln(p);
1397: p->offset = 0;
1398: break;
1399: default:
1400: break;
1401: }
1402: }
1403:
1404: static int
1405: termp_bt_pre(DECL_ARGS)
1406: {
1407:
1408: term_word(p, "is currently in beta test.");
1.84 schwarze 1409: p->flags |= TERMP_SENTENCE;
1.59 schwarze 1410: return(0);
1.1 kristaps 1411: }
1412:
1413: static void
1414: termp_lb_post(DECL_ARGS)
1415: {
1416:
1.77 schwarze 1417: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.57 schwarze 1418: term_newln(p);
1.1 kristaps 1419: }
1420:
1421: static int
1422: termp_ud_pre(DECL_ARGS)
1423: {
1424:
1425: term_word(p, "currently under development.");
1.84 schwarze 1426: p->flags |= TERMP_SENTENCE;
1.60 schwarze 1427: return(0);
1.1 kristaps 1428: }
1429:
1430: static int
1431: termp_d1_pre(DECL_ARGS)
1432: {
1433:
1.60 schwarze 1434: if (MDOC_BLOCK != n->type)
1.1 kristaps 1435: return(1);
1436: term_newln(p);
1.140 schwarze 1437: p->offset += term_len(p, p->defindent + 1);
1.1 kristaps 1438: return(1);
1439: }
1440:
1441: static int
1442: termp_ft_pre(DECL_ARGS)
1443: {
1444:
1.85 schwarze 1445: /* NB: MDOC_LINE does not effect this! */
1.86 schwarze 1446: synopsis_pre(p, n);
1.65 schwarze 1447: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1448: return(1);
1449: }
1450:
1451: static int
1452: termp_fn_pre(DECL_ARGS)
1453: {
1.159 schwarze 1454: size_t rmargin = 0;
1.132 schwarze 1455: int pretty;
1456:
1457: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1458:
1.86 schwarze 1459: synopsis_pre(p, n);
1.85 schwarze 1460:
1.132 schwarze 1461: if (NULL == (n = n->child))
1462: return(0);
1463:
1.153 schwarze 1464: if (pretty) {
1465: rmargin = p->rmargin;
1.159 schwarze 1466: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1467: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.153 schwarze 1468: }
1469:
1.132 schwarze 1470: assert(MDOC_TEXT == n->type);
1.65 schwarze 1471: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1472: term_word(p, n->string);
1.65 schwarze 1473: term_fontpop(p);
1.1 kristaps 1474:
1.153 schwarze 1475: if (pretty) {
1476: term_flushln(p);
1.165 schwarze 1477: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.153 schwarze 1478: p->offset = p->rmargin;
1479: p->rmargin = rmargin;
1480: }
1481:
1.1 kristaps 1482: p->flags |= TERMP_NOSPACE;
1483: term_word(p, "(");
1.132 schwarze 1484: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1485:
1.132 schwarze 1486: for (n = n->next; n; n = n->next) {
1487: assert(MDOC_TEXT == n->type);
1.65 schwarze 1488: term_fontpush(p, TERMFONT_UNDER);
1.157 schwarze 1489: if (pretty)
1490: p->flags |= TERMP_NBRWORD;
1.132 schwarze 1491: term_word(p, n->string);
1.65 schwarze 1492: term_fontpop(p);
1493:
1.132 schwarze 1494: if (n->next) {
1495: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1496: term_word(p, ",");
1.132 schwarze 1497: }
1.1 kristaps 1498: }
1499:
1.132 schwarze 1500: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1501: term_word(p, ")");
1502:
1.132 schwarze 1503: if (pretty) {
1504: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1505: term_word(p, ";");
1.153 schwarze 1506: term_flushln(p);
1.132 schwarze 1507: }
1.1 kristaps 1508:
1509: return(0);
1510: }
1511:
1512: static int
1513: termp_fa_pre(DECL_ARGS)
1514: {
1.60 schwarze 1515: const struct mdoc_node *nn;
1.1 kristaps 1516:
1.60 schwarze 1517: if (n->parent->tok != MDOC_Fo) {
1.65 schwarze 1518: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1519: return(1);
1520: }
1521:
1.60 schwarze 1522: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1523: term_fontpush(p, TERMFONT_UNDER);
1.160 schwarze 1524: p->flags |= TERMP_NBRWORD;
1.60 schwarze 1525: term_word(p, nn->string);
1.65 schwarze 1526: term_fontpop(p);
1527:
1.158 schwarze 1528: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.132 schwarze 1529: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1530: term_word(p, ",");
1.132 schwarze 1531: }
1.1 kristaps 1532: }
1533:
1534: return(0);
1535: }
1536:
1537: static int
1538: termp_bd_pre(DECL_ARGS)
1539: {
1.174 schwarze 1540: size_t tabwidth, lm, len, rm, rmax;
1.146 schwarze 1541: struct mdoc_node *nn;
1.201 ! schwarze 1542: int offset;
1.1 kristaps 1543:
1.60 schwarze 1544: if (MDOC_BLOCK == n->type) {
1.61 schwarze 1545: print_bvspace(p, n, n);
1.45 schwarze 1546: return(1);
1.73 schwarze 1547: } else if (MDOC_HEAD == n->type)
1548: return(0);
1.1 kristaps 1549:
1.187 schwarze 1550: /* Handle the -offset argument. */
1551:
1552: if (n->norm->Bd.offs == NULL ||
1553: ! strcmp(n->norm->Bd.offs, "left"))
1554: /* nothing */;
1555: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1556: p->offset += term_len(p, p->defindent + 1);
1557: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1558: p->offset += term_len(p, (p->defindent + 1) * 2);
1.201 ! schwarze 1559: else {
! 1560: offset = a2width(p, n->norm->Bd.offs);
! 1561: if (offset < 0 && (size_t)(-offset) > p->offset)
! 1562: p->offset = 0;
! 1563: else if (offset < SHRT_MAX)
! 1564: p->offset += offset;
! 1565: }
1.60 schwarze 1566:
1567: /*
1568: * If -ragged or -filled are specified, the block does nothing
1569: * but change the indentation. If -unfilled or -literal are
1570: * specified, text is printed exactly as entered in the display:
1571: * for macro lines, a newline is appended to the line. Blank
1572: * lines are allowed.
1573: */
1.166 schwarze 1574:
1575: if (DISP_literal != n->norm->Bd.type &&
1.174 schwarze 1576: DISP_unfilled != n->norm->Bd.type &&
1577: DISP_centered != n->norm->Bd.type)
1.1 kristaps 1578: return(1);
1579:
1.75 schwarze 1580: tabwidth = p->tabwidth;
1.123 schwarze 1581: if (DISP_literal == n->norm->Bd.type)
1582: p->tabwidth = term_len(p, 8);
1583:
1.174 schwarze 1584: lm = p->offset;
1.77 schwarze 1585: rm = p->rmargin;
1586: rmax = p->maxrmargin;
1587: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1588:
1.60 schwarze 1589: for (nn = n->child; nn; nn = nn->next) {
1.174 schwarze 1590: if (DISP_centered == n->norm->Bd.type) {
1591: if (MDOC_TEXT == nn->type) {
1592: len = term_strlen(p, nn->string);
1593: p->offset = len >= rm ? 0 :
1594: lm + len >= rm ? rm - len :
1595: (lm + rm - len) / 2;
1596: } else
1597: p->offset = lm;
1598: }
1.147 schwarze 1599: print_mdoc_node(p, pair, meta, nn);
1.108 schwarze 1600: /*
1601: * If the printed node flushes its own line, then we
1602: * needn't do it here as well. This is hacky, but the
1603: * notion of selective eoln whitespace is pretty dumb
1604: * anyway, so don't sweat it.
1605: */
1606: switch (nn->tok) {
1.166 schwarze 1607: case MDOC_Sm:
1.112 schwarze 1608: /* FALLTHROUGH */
1.166 schwarze 1609: case MDOC_br:
1.108 schwarze 1610: /* FALLTHROUGH */
1.166 schwarze 1611: case MDOC_sp:
1.108 schwarze 1612: /* FALLTHROUGH */
1.166 schwarze 1613: case MDOC_Bl:
1.115 schwarze 1614: /* FALLTHROUGH */
1.166 schwarze 1615: case MDOC_D1:
1.115 schwarze 1616: /* FALLTHROUGH */
1.166 schwarze 1617: case MDOC_Dl:
1.108 schwarze 1618: /* FALLTHROUGH */
1.166 schwarze 1619: case MDOC_Lp:
1.108 schwarze 1620: /* FALLTHROUGH */
1.166 schwarze 1621: case MDOC_Pp:
1.108 schwarze 1622: continue;
1623: default:
1624: break;
1625: }
1.198 schwarze 1626: if (p->flags & TERMP_NONEWLINE ||
1627: (nn->next && ! (nn->next->flags & MDOC_LINE)))
1.100 schwarze 1628: continue;
1629: term_flushln(p);
1.48 schwarze 1630: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1631: }
1.88 schwarze 1632:
1.75 schwarze 1633: p->tabwidth = tabwidth;
1.77 schwarze 1634: p->rmargin = rm;
1635: p->maxrmargin = rmax;
1.1 kristaps 1636: return(0);
1637: }
1638:
1639: static void
1640: termp_bd_post(DECL_ARGS)
1641: {
1.77 schwarze 1642: size_t rm, rmax;
1.1 kristaps 1643:
1.166 schwarze 1644: if (MDOC_BODY != n->type)
1.1 kristaps 1645: return;
1.77 schwarze 1646:
1647: rm = p->rmargin;
1648: rmax = p->maxrmargin;
1649:
1.166 schwarze 1650: if (DISP_literal == n->norm->Bd.type ||
1651: DISP_unfilled == n->norm->Bd.type)
1.77 schwarze 1652: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1653:
1.48 schwarze 1654: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1655: term_newln(p);
1.77 schwarze 1656:
1657: p->rmargin = rm;
1658: p->maxrmargin = rmax;
1.1 kristaps 1659: }
1660:
1.126 schwarze 1661: static int
1662: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1663: {
1664:
1.126 schwarze 1665: if (NULL != (n = n->child)) {
1666: term_word(p, n->string);
1667: p->flags |= TERMP_NOSPACE;
1668: term_word(p, "BSD");
1669: } else {
1670: term_word(p, "BSD");
1671: return(0);
1672: }
1673:
1674: if (NULL != (n = n->next)) {
1675: p->flags |= TERMP_NOSPACE;
1676: term_word(p, "-");
1.1 kristaps 1677: p->flags |= TERMP_NOSPACE;
1.126 schwarze 1678: term_word(p, n->string);
1679: }
1680:
1681: return(0);
1.1 kristaps 1682: }
1683:
1684: static int
1.26 schwarze 1685: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1686: {
1.26 schwarze 1687: const char *pp;
1.129 schwarze 1688: int flags;
1.1 kristaps 1689:
1.26 schwarze 1690: pp = NULL;
1.60 schwarze 1691: switch (n->tok) {
1.166 schwarze 1692: case MDOC_Bsx:
1.113 schwarze 1693: pp = "BSD/OS";
1.26 schwarze 1694: break;
1.166 schwarze 1695: case MDOC_Dx:
1.64 schwarze 1696: pp = "DragonFly";
1.26 schwarze 1697: break;
1.166 schwarze 1698: case MDOC_Fx:
1.26 schwarze 1699: pp = "FreeBSD";
1700: break;
1.166 schwarze 1701: case MDOC_Nx:
1.26 schwarze 1702: pp = "NetBSD";
1703: break;
1.166 schwarze 1704: case MDOC_Ox:
1.26 schwarze 1705: pp = "OpenBSD";
1706: break;
1.166 schwarze 1707: case MDOC_Ux:
1.26 schwarze 1708: pp = "UNIX";
1709: break;
1710: default:
1.148 schwarze 1711: abort();
1712: /* NOTREACHED */
1.26 schwarze 1713: }
1.1 kristaps 1714:
1.26 schwarze 1715: term_word(p, pp);
1.129 schwarze 1716: if (n->child) {
1717: flags = p->flags;
1718: p->flags |= TERMP_KEEP;
1719: term_word(p, n->child->string);
1720: p->flags = flags;
1721: }
1722: return(0);
1.1 kristaps 1723: }
1724:
1725: static void
1726: termp_pf_post(DECL_ARGS)
1727: {
1728:
1.197 schwarze 1729: if ( ! (n->next == NULL || n->next->flags & MDOC_LINE))
1730: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1731: }
1732:
1733: static int
1734: termp_ss_pre(DECL_ARGS)
1735: {
1736:
1.60 schwarze 1737: switch (n->type) {
1.166 schwarze 1738: case MDOC_BLOCK:
1.1 kristaps 1739: term_newln(p);
1.60 schwarze 1740: if (n->prev)
1.1 kristaps 1741: term_vspace(p);
1742: break;
1.166 schwarze 1743: case MDOC_HEAD:
1.65 schwarze 1744: term_fontpush(p, TERMFONT_BOLD);
1.140 schwarze 1745: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1746: break;
1.176 schwarze 1747: case MDOC_BODY:
1748: p->offset = term_len(p, p->defindent);
1749: break;
1.1 kristaps 1750: default:
1751: break;
1752: }
1753:
1754: return(1);
1755: }
1756:
1757: static void
1758: termp_ss_post(DECL_ARGS)
1759: {
1760:
1.176 schwarze 1761: if (n->type == MDOC_HEAD || n->type == MDOC_BODY)
1.1 kristaps 1762: term_newln(p);
1763: }
1764:
1765: static int
1766: termp_cd_pre(DECL_ARGS)
1767: {
1768:
1.86 schwarze 1769: synopsis_pre(p, n);
1.65 schwarze 1770: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1771: return(1);
1772: }
1773:
1774: static int
1775: termp_in_pre(DECL_ARGS)
1776: {
1777:
1.86 schwarze 1778: synopsis_pre(p, n);
1.85 schwarze 1779:
1.92 schwarze 1780: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.85 schwarze 1781: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1782: term_word(p, "#include");
1.85 schwarze 1783: term_word(p, "<");
1784: } else {
1785: term_word(p, "<");
1786: term_fontpush(p, TERMFONT_UNDER);
1787: }
1.23 schwarze 1788:
1.1 kristaps 1789: p->flags |= TERMP_NOSPACE;
1790: return(1);
1791: }
1792:
1793: static void
1794: termp_in_post(DECL_ARGS)
1795: {
1796:
1.92 schwarze 1797: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1798: term_fontpush(p, TERMFONT_BOLD);
1799:
1.59 schwarze 1800: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1801: term_word(p, ">");
1802:
1.92 schwarze 1803: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1804: term_fontpop(p);
1.38 schwarze 1805: }
1806:
1807: static int
1808: termp_sp_pre(DECL_ARGS)
1809: {
1.199 schwarze 1810: struct roffsu su;
1.61 schwarze 1811: size_t i, len;
1.38 schwarze 1812:
1.60 schwarze 1813: switch (n->tok) {
1.166 schwarze 1814: case MDOC_sp:
1.199 schwarze 1815: if (n->child) {
1816: if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
1817: su.scale = 1.0;
1818: len = term_vspan(p, &su);
1819: } else
1820: len = 1;
1.54 schwarze 1821: break;
1.166 schwarze 1822: case MDOC_br:
1.54 schwarze 1823: len = 0;
1824: break;
1825: default:
1826: len = 1;
1827: break;
1.38 schwarze 1828: }
1829:
1830: if (0 == len)
1831: term_newln(p);
1832: for (i = 0; i < len; i++)
1833: term_vspace(p);
1834:
1835: return(0);
1836: }
1837:
1838: static int
1.193 schwarze 1839: termp_skip_pre(DECL_ARGS)
1.170 schwarze 1840: {
1841:
1842: return(0);
1843: }
1844:
1845: static int
1.107 schwarze 1846: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1847: {
1848:
1.120 schwarze 1849: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1850: return(1);
1851:
1.107 schwarze 1852: switch (n->tok) {
1.166 schwarze 1853: case MDOC_Ao:
1.107 schwarze 1854: /* FALLTHROUGH */
1.166 schwarze 1855: case MDOC_Aq:
1.190 schwarze 1856: term_word(p, n->parent->prev != NULL &&
1857: n->parent->prev->tok == MDOC_An ? "<" : "\\(la");
1.107 schwarze 1858: break;
1.166 schwarze 1859: case MDOC_Bro:
1.107 schwarze 1860: /* FALLTHROUGH */
1.166 schwarze 1861: case MDOC_Brq:
1.107 schwarze 1862: term_word(p, "{");
1863: break;
1.166 schwarze 1864: case MDOC_Oo:
1.107 schwarze 1865: /* FALLTHROUGH */
1.166 schwarze 1866: case MDOC_Op:
1.107 schwarze 1867: /* FALLTHROUGH */
1.166 schwarze 1868: case MDOC_Bo:
1.107 schwarze 1869: /* FALLTHROUGH */
1.166 schwarze 1870: case MDOC_Bq:
1.107 schwarze 1871: term_word(p, "[");
1872: break;
1.166 schwarze 1873: case MDOC_Do:
1.107 schwarze 1874: /* FALLTHROUGH */
1.166 schwarze 1875: case MDOC_Dq:
1.151 schwarze 1876: term_word(p, "\\(lq");
1.107 schwarze 1877: break;
1.170 schwarze 1878: case MDOC_En:
1879: if (NULL == n->norm->Es ||
1880: NULL == n->norm->Es->child)
1881: return(1);
1882: term_word(p, n->norm->Es->child->string);
1883: break;
1.166 schwarze 1884: case MDOC_Eo:
1.139 schwarze 1885: break;
1.166 schwarze 1886: case MDOC_Po:
1.107 schwarze 1887: /* FALLTHROUGH */
1.166 schwarze 1888: case MDOC_Pq:
1.107 schwarze 1889: term_word(p, "(");
1890: break;
1.166 schwarze 1891: case MDOC__T:
1.120 schwarze 1892: /* FALLTHROUGH */
1.166 schwarze 1893: case MDOC_Qo:
1.107 schwarze 1894: /* FALLTHROUGH */
1.166 schwarze 1895: case MDOC_Qq:
1.107 schwarze 1896: term_word(p, "\"");
1897: break;
1.166 schwarze 1898: case MDOC_Ql:
1.107 schwarze 1899: /* FALLTHROUGH */
1.166 schwarze 1900: case MDOC_So:
1.107 schwarze 1901: /* FALLTHROUGH */
1.166 schwarze 1902: case MDOC_Sq:
1.151 schwarze 1903: term_word(p, "\\(oq");
1.107 schwarze 1904: break;
1905: default:
1906: abort();
1907: /* NOTREACHED */
1908: }
1.1 kristaps 1909:
1910: p->flags |= TERMP_NOSPACE;
1911: return(1);
1912: }
1913:
1914: static void
1.107 schwarze 1915: termp_quote_post(DECL_ARGS)
1.1 kristaps 1916: {
1917:
1.194 schwarze 1918: if (n->type != MDOC_BODY && n->type != MDOC_ELEM)
1.1 kristaps 1919: return;
1920:
1.194 schwarze 1921: if ( ! (n->tok == MDOC_En ||
1922: (n->tok == MDOC_Eo && n->end == ENDBODY_SPACE)))
1.170 schwarze 1923: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1924:
1.107 schwarze 1925: switch (n->tok) {
1.166 schwarze 1926: case MDOC_Ao:
1.107 schwarze 1927: /* FALLTHROUGH */
1.166 schwarze 1928: case MDOC_Aq:
1.190 schwarze 1929: term_word(p, n->parent->prev != NULL &&
1930: n->parent->prev->tok == MDOC_An ? ">" : "\\(ra");
1.107 schwarze 1931: break;
1.166 schwarze 1932: case MDOC_Bro:
1.107 schwarze 1933: /* FALLTHROUGH */
1.166 schwarze 1934: case MDOC_Brq:
1.107 schwarze 1935: term_word(p, "}");
1936: break;
1.166 schwarze 1937: case MDOC_Oo:
1.107 schwarze 1938: /* FALLTHROUGH */
1.166 schwarze 1939: case MDOC_Op:
1.107 schwarze 1940: /* FALLTHROUGH */
1.166 schwarze 1941: case MDOC_Bo:
1.107 schwarze 1942: /* FALLTHROUGH */
1.166 schwarze 1943: case MDOC_Bq:
1.107 schwarze 1944: term_word(p, "]");
1945: break;
1.166 schwarze 1946: case MDOC_Do:
1.107 schwarze 1947: /* FALLTHROUGH */
1.166 schwarze 1948: case MDOC_Dq:
1.151 schwarze 1949: term_word(p, "\\(rq");
1.170 schwarze 1950: break;
1951: case MDOC_En:
1952: if (NULL != n->norm->Es &&
1953: NULL != n->norm->Es->child &&
1954: NULL != n->norm->Es->child->next) {
1955: p->flags |= TERMP_NOSPACE;
1956: term_word(p, n->norm->Es->child->next->string);
1957: }
1.139 schwarze 1958: break;
1.166 schwarze 1959: case MDOC_Eo:
1.107 schwarze 1960: break;
1.166 schwarze 1961: case MDOC_Po:
1.107 schwarze 1962: /* FALLTHROUGH */
1.166 schwarze 1963: case MDOC_Pq:
1.107 schwarze 1964: term_word(p, ")");
1965: break;
1.166 schwarze 1966: case MDOC__T:
1.120 schwarze 1967: /* FALLTHROUGH */
1.166 schwarze 1968: case MDOC_Qo:
1.107 schwarze 1969: /* FALLTHROUGH */
1.166 schwarze 1970: case MDOC_Qq:
1.107 schwarze 1971: term_word(p, "\"");
1972: break;
1.166 schwarze 1973: case MDOC_Ql:
1.107 schwarze 1974: /* FALLTHROUGH */
1.166 schwarze 1975: case MDOC_So:
1.107 schwarze 1976: /* FALLTHROUGH */
1.166 schwarze 1977: case MDOC_Sq:
1.151 schwarze 1978: term_word(p, "\\(cq");
1.107 schwarze 1979: break;
1980: default:
1981: abort();
1982: /* NOTREACHED */
1983: }
1.1 kristaps 1984: }
1985:
1986: static int
1987: termp_fo_pre(DECL_ARGS)
1988: {
1.159 schwarze 1989: size_t rmargin = 0;
1.158 schwarze 1990: int pretty;
1991:
1992: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1993:
1.85 schwarze 1994: if (MDOC_BLOCK == n->type) {
1.86 schwarze 1995: synopsis_pre(p, n);
1.85 schwarze 1996: return(1);
1997: } else if (MDOC_BODY == n->type) {
1.158 schwarze 1998: if (pretty) {
1999: rmargin = p->rmargin;
1.159 schwarze 2000: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 2001: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
2002: TERMP_HANG;
1.158 schwarze 2003: }
1.31 schwarze 2004: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2005: term_word(p, "(");
1.132 schwarze 2006: p->flags |= TERMP_NOSPACE;
1.158 schwarze 2007: if (pretty) {
2008: term_flushln(p);
1.165 schwarze 2009: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
2010: TERMP_HANG);
1.158 schwarze 2011: p->offset = p->rmargin;
2012: p->rmargin = rmargin;
2013: }
1.1 kristaps 2014: return(1);
1.158 schwarze 2015: }
1.85 schwarze 2016:
1.95 schwarze 2017: if (NULL == n->child)
2018: return(0);
2019:
1.85 schwarze 2020: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2021:
1.85 schwarze 2022: assert(n->child->string);
1.65 schwarze 2023: term_fontpush(p, TERMFONT_BOLD);
1.85 schwarze 2024: term_word(p, n->child->string);
1.1 kristaps 2025: return(0);
2026: }
2027:
2028: static void
2029: termp_fo_post(DECL_ARGS)
2030: {
2031:
1.166 schwarze 2032: if (MDOC_BODY != n->type)
1.86 schwarze 2033: return;
2034:
1.132 schwarze 2035: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2036: term_word(p, ")");
2037:
1.132 schwarze 2038: if (MDOC_SYNPRETTY & n->flags) {
2039: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2040: term_word(p, ";");
1.158 schwarze 2041: term_flushln(p);
1.132 schwarze 2042: }
1.1 kristaps 2043: }
2044:
2045: static int
2046: termp_bf_pre(DECL_ARGS)
2047: {
2048:
1.60 schwarze 2049: if (MDOC_HEAD == n->type)
1.1 kristaps 2050: return(0);
1.146 schwarze 2051: else if (MDOC_BODY != n->type)
1.1 kristaps 2052: return(1);
2053:
1.166 schwarze 2054: if (FONT_Em == n->norm->Bf.font)
1.65 schwarze 2055: term_fontpush(p, TERMFONT_UNDER);
1.166 schwarze 2056: else if (FONT_Sy == n->norm->Bf.font)
1.65 schwarze 2057: term_fontpush(p, TERMFONT_BOLD);
1.166 schwarze 2058: else
1.65 schwarze 2059: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2060:
2061: return(1);
2062: }
2063:
2064: static int
2065: termp_sm_pre(DECL_ARGS)
2066: {
2067:
1.171 schwarze 2068: if (NULL == n->child)
2069: p->flags ^= TERMP_NONOSPACE;
2070: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 2071: p->flags &= ~TERMP_NONOSPACE;
1.171 schwarze 2072: else
1.1 kristaps 2073: p->flags |= TERMP_NONOSPACE;
1.171 schwarze 2074:
2075: if (p->col && ! (TERMP_NONOSPACE & p->flags))
2076: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2077:
2078: return(0);
2079: }
2080:
2081: static int
2082: termp_ap_pre(DECL_ARGS)
2083: {
2084:
2085: p->flags |= TERMP_NOSPACE;
1.107 schwarze 2086: term_word(p, "'");
1.1 kristaps 2087: p->flags |= TERMP_NOSPACE;
2088: return(1);
2089: }
2090:
2091: static void
2092: termp____post(DECL_ARGS)
2093: {
1.104 schwarze 2094:
2095: /*
2096: * Handle lists of authors. In general, print each followed by
2097: * a comma. Don't print the comma if there are only two
2098: * authors.
2099: */
2100: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2101: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2102: if (NULL == n->prev || MDOC__A != n->prev->tok)
2103: return;
1.1 kristaps 2104:
1.62 schwarze 2105: /* TODO: %U. */
2106:
1.106 schwarze 2107: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2108: return;
2109:
1.132 schwarze 2110: p->flags |= TERMP_NOSPACE;
1.106 schwarze 2111: if (NULL == n->next) {
2112: term_word(p, ".");
2113: p->flags |= TERMP_SENTENCE;
2114: } else
2115: term_word(p, ",");
1.1 kristaps 2116: }
2117:
2118: static int
1.65 schwarze 2119: termp_li_pre(DECL_ARGS)
2120: {
2121:
2122: term_fontpush(p, TERMFONT_NONE);
2123: return(1);
2124: }
2125:
2126: static int
1.1 kristaps 2127: termp_lk_pre(DECL_ARGS)
2128: {
1.142 schwarze 2129: const struct mdoc_node *link, *descr;
1.1 kristaps 2130:
1.142 schwarze 2131: if (NULL == (link = n->child))
2132: return(0);
1.101 schwarze 2133:
1.142 schwarze 2134: if (NULL != (descr = link->next)) {
2135: term_fontpush(p, TERMFONT_UNDER);
2136: while (NULL != descr) {
2137: term_word(p, descr->string);
2138: descr = descr->next;
2139: }
2140: p->flags |= TERMP_NOSPACE;
2141: term_word(p, ":");
2142: term_fontpop(p);
2143: }
1.1 kristaps 2144:
1.65 schwarze 2145: term_fontpush(p, TERMFONT_BOLD);
1.142 schwarze 2146: term_word(p, link->string);
1.65 schwarze 2147: term_fontpop(p);
1.6 schwarze 2148:
1.1 kristaps 2149: return(0);
2150: }
2151:
1.90 schwarze 2152: static int
2153: termp_bk_pre(DECL_ARGS)
2154: {
2155:
1.91 schwarze 2156: switch (n->type) {
1.166 schwarze 2157: case MDOC_BLOCK:
1.95 schwarze 2158: break;
1.166 schwarze 2159: case MDOC_HEAD:
1.91 schwarze 2160: return(0);
1.166 schwarze 2161: case MDOC_BODY:
1.117 schwarze 2162: if (n->parent->args || 0 == n->prev->nchild)
2163: p->flags |= TERMP_PREKEEP;
1.95 schwarze 2164: break;
1.91 schwarze 2165: default:
2166: abort();
1.95 schwarze 2167: /* NOTREACHED */
1.91 schwarze 2168: }
1.95 schwarze 2169:
2170: return(1);
1.90 schwarze 2171: }
2172:
2173: static void
2174: termp_bk_post(DECL_ARGS)
2175: {
2176:
1.155 schwarze 2177: if (MDOC_BODY == n->type)
1.91 schwarze 2178: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 2179: }
1.120 schwarze 2180:
2181: static void
2182: termp__t_post(DECL_ARGS)
2183: {
2184:
2185: /*
2186: * If we're in an `Rs' and there's a journal present, then quote
2187: * us instead of underlining us (for disambiguation).
2188: */
1.121 schwarze 2189: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2190: n->parent->norm->Rs.quote_T)
1.147 schwarze 2191: termp_quote_post(p, pair, meta, n);
1.120 schwarze 2192:
1.147 schwarze 2193: termp____post(p, pair, meta, n);
1.120 schwarze 2194: }
2195:
2196: static int
2197: termp__t_pre(DECL_ARGS)
2198: {
2199:
2200: /*
2201: * If we're in an `Rs' and there's a journal present, then quote
2202: * us instead of underlining us (for disambiguation).
2203: */
1.121 schwarze 2204: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2205: n->parent->norm->Rs.quote_T)
1.147 schwarze 2206: return(termp_quote_pre(p, pair, meta, n));
1.120 schwarze 2207:
2208: term_fontpush(p, TERMFONT_UNDER);
2209: return(1);
1.121 schwarze 2210: }
1.1 kristaps 2211:
2212: static int
1.54 schwarze 2213: termp_under_pre(DECL_ARGS)
1.1 kristaps 2214: {
2215:
1.65 schwarze 2216: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 2217: return(1);
2218: }
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