Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.194
1.194 ! schwarze 1: /* $OpenBSD: mdoc_term.c,v 1.193 2014/11/27 16:20:27 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>
1.77 schwarze 23: #include <stdint.h>
1.1 kristaps 24: #include <stdio.h>
25: #include <stdlib.h>
26: #include <string.h>
27:
1.81 schwarze 28: #include "mandoc.h"
1.168 schwarze 29: #include "mandoc_aux.h"
1.61 schwarze 30: #include "out.h"
1.1 kristaps 31: #include "term.h"
32: #include "mdoc.h"
1.61 schwarze 33: #include "main.h"
1.54 schwarze 34:
1.1 kristaps 35: struct termpair {
36: struct termpair *ppair;
1.27 schwarze 37: int count;
1.1 kristaps 38: };
39:
1.29 schwarze 40: #define DECL_ARGS struct termp *p, \
41: struct termpair *pair, \
1.166 schwarze 42: const struct mdoc_meta *meta, \
1.146 schwarze 43: struct mdoc_node *n
1.1 kristaps 44:
45: struct termact {
46: int (*pre)(DECL_ARGS);
47: void (*post)(DECL_ARGS);
48: };
1.29 schwarze 49:
1.89 schwarze 50: static size_t a2width(const struct termp *, const char *);
51: static size_t a2height(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:
527: static size_t
1.89 schwarze 528: a2height(const struct termp *p, const char *v)
1.1 kristaps 529: {
1.61 schwarze 530: struct roffsu su;
1.1 kristaps 531:
1.134 schwarze 532:
1.89 schwarze 533: assert(v);
534: if ( ! a2roffsu(v, &su, SCALE_VS))
1.134 schwarze 535: SCALE_VS_INIT(&su, atoi(v));
1.1 kristaps 536:
1.89 schwarze 537: return(term_vspan(p, &su));
1.61 schwarze 538: }
1.34 schwarze 539:
1.61 schwarze 540: static size_t
1.89 schwarze 541: a2width(const struct termp *p, const char *v)
1.61 schwarze 542: {
543: struct roffsu su;
1.1 kristaps 544:
1.88 schwarze 545: assert(v);
1.182 schwarze 546: if ( ! a2roffsu(v, &su, SCALE_MAX)) {
1.89 schwarze 547: SCALE_HS_INIT(&su, term_strlen(p, v));
1.182 schwarze 548: su.scale /= term_strlen(p, "0");
549: }
1.1 kristaps 550:
1.89 schwarze 551: return(term_hspan(p, &su));
1.1 kristaps 552: }
553:
1.68 schwarze 554: /*
555: * Determine how much space to print out before block elements of `It'
556: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
557: * too.
558: */
1.45 schwarze 559: static void
1.166 schwarze 560: print_bvspace(struct termp *p,
561: const struct mdoc_node *bl,
562: const struct mdoc_node *n)
1.1 kristaps 563: {
1.60 schwarze 564: const struct mdoc_node *nn;
1.138 schwarze 565:
566: assert(n);
1.1 kristaps 567:
568: term_newln(p);
1.88 schwarze 569:
1.121 schwarze 570: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.88 schwarze 571: return;
1.121 schwarze 572: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.45 schwarze 573: return;
574:
1.60 schwarze 575: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 576:
1.188 schwarze 577: nn = n;
578: while (nn->prev == NULL) {
579: do {
580: nn = nn->parent;
581: if (nn->type == MDOC_ROOT)
582: return;
583: } while (nn->type != MDOC_BLOCK);
584: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.45 schwarze 585: return;
1.188 schwarze 586: if (nn->tok == MDOC_It &&
587: nn->parent->parent->norm->Bl.type != LIST_item)
588: break;
1.1 kristaps 589: }
590:
1.60 schwarze 591: /* A `-column' does not assert vspace within the list. */
1.45 schwarze 592:
1.121 schwarze 593: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.60 schwarze 594: if (n->prev && MDOC_It == n->prev->tok)
1.45 schwarze 595: return;
596:
1.60 schwarze 597: /* A `-diag' without body does not vspace. */
598:
1.121 schwarze 599: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.60 schwarze 600: if (n->prev && MDOC_It == n->prev->tok) {
601: assert(n->prev->body);
602: if (NULL == n->prev->body->child)
1.45 schwarze 603: return;
604: }
605:
606: term_vspace(p);
1.162 schwarze 607: }
608:
609:
610: static int
611: termp_ll_pre(DECL_ARGS)
612: {
613:
1.163 schwarze 614: term_setwidth(p, n->nchild ? n->child->string : NULL);
1.162 schwarze 615: return(0);
1.1 kristaps 616: }
617:
618: static int
619: termp_it_pre(DECL_ARGS)
620: {
1.60 schwarze 621: const struct mdoc_node *bl, *nn;
1.167 schwarze 622: char buf[24];
1.166 schwarze 623: int i;
624: size_t width, offset, ncols, dcol;
1.82 schwarze 625: enum mdoc_list type;
1.1 kristaps 626:
1.60 schwarze 627: if (MDOC_BLOCK == n->type) {
1.61 schwarze 628: print_bvspace(p, n->parent->parent, n);
1.45 schwarze 629: return(1);
630: }
1.1 kristaps 631:
1.60 schwarze 632: bl = n->parent->parent->parent;
1.121 schwarze 633: type = bl->norm->Bl.type;
1.1 kristaps 634:
1.166 schwarze 635: /*
1.68 schwarze 636: * First calculate width and offset. This is pretty easy unless
637: * we're a -column list, in which case all prior columns must
638: * be accounted for.
639: */
640:
641: width = offset = 0;
642:
1.121 schwarze 643: if (bl->norm->Bl.offs)
1.187 schwarze 644: offset = a2width(p, bl->norm->Bl.offs);
1.66 schwarze 645:
1.1 kristaps 646: switch (type) {
1.166 schwarze 647: case LIST_column:
1.85 schwarze 648: if (MDOC_HEAD == n->type)
1.1 kristaps 649: break;
1.88 schwarze 650:
1.66 schwarze 651: /*
1.68 schwarze 652: * Imitate groff's column handling:
653: * - For each earlier column, add its width.
654: * - For less than 5 columns, add four more blanks per
655: * column.
656: * - For exactly 5 columns, add three more blank per
657: * column.
658: * - For more than 5 columns, add only one column.
1.66 schwarze 659: */
1.121 schwarze 660: ncols = bl->norm->Bl.ncols;
1.166 schwarze 661: dcol = ncols < 5 ? term_len(p, 4) :
662: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68 schwarze 663:
1.85 schwarze 664: /*
665: * Calculate the offset by applying all prior MDOC_BODY,
666: * so we stop at the MDOC_HEAD (NULL == nn->prev).
667: */
668:
1.166 schwarze 669: for (i = 0, nn = n->prev;
670: nn->prev && i < (int)ncols;
671: nn = nn->prev, i++)
672: offset += dcol + a2width(p,
673: bl->norm->Bl.cols[i]);
1.66 schwarze 674:
675: /*
1.68 schwarze 676: * When exceeding the declared number of columns, leave
677: * the remaining widths at 0. This will later be
678: * adjusted to the default width of 10, or, for the last
679: * column, stretched to the right margin.
1.46 schwarze 680: */
1.68 schwarze 681: if (i >= (int)ncols)
682: break;
1.46 schwarze 683:
1.66 schwarze 684: /*
1.68 schwarze 685: * Use the declared column widths, extended as explained
686: * in the preceding paragraph.
1.66 schwarze 687: */
1.121 schwarze 688: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 689: break;
690: default:
1.121 schwarze 691: if (NULL == bl->norm->Bl.width)
1.68 schwarze 692: break;
693:
1.166 schwarze 694: /*
1.68 schwarze 695: * Note: buffer the width by 2, which is groff's magic
696: * number for buffering single arguments. See the above
697: * handling for column for how this changes.
698: */
1.121 schwarze 699: assert(bl->norm->Bl.width);
700: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1 kristaps 701: break;
702: }
703:
1.166 schwarze 704: /*
1.1 kristaps 705: * List-type can override the width in the case of fixed-head
706: * values (bullet, dash/hyphen, enum). Tags need a non-zero
1.53 schwarze 707: * offset.
1.1 kristaps 708: */
709:
710: switch (type) {
1.166 schwarze 711: case LIST_bullet:
1.1 kristaps 712: /* FALLTHROUGH */
1.166 schwarze 713: case LIST_dash:
1.1 kristaps 714: /* FALLTHROUGH */
1.166 schwarze 715: case LIST_hyphen:
1.144 schwarze 716: /* FALLTHROUGH */
1.166 schwarze 717: case LIST_enum:
1.144 schwarze 718: if (width < term_len(p, 2))
719: width = term_len(p, 2);
1.1 kristaps 720: break;
1.166 schwarze 721: case LIST_hang:
1.33 schwarze 722: if (0 == width)
1.89 schwarze 723: width = term_len(p, 8);
1.33 schwarze 724: break;
1.166 schwarze 725: case LIST_column:
1.41 schwarze 726: /* FALLTHROUGH */
1.166 schwarze 727: case LIST_tag:
1.1 kristaps 728: if (0 == width)
1.89 schwarze 729: width = term_len(p, 10);
1.1 kristaps 730: break;
731: default:
732: break;
733: }
734:
1.166 schwarze 735: /*
1.16 schwarze 736: * Whitespace control. Inset bodies need an initial space,
737: * while diagonal bodies need two.
1.1 kristaps 738: */
739:
1.42 schwarze 740: p->flags |= TERMP_NOSPACE;
741:
1.1 kristaps 742: switch (type) {
1.166 schwarze 743: case LIST_diag:
1.60 schwarze 744: if (MDOC_BODY == n->type)
1.48 schwarze 745: term_word(p, "\\ \\ ");
1.42 schwarze 746: break;
1.166 schwarze 747: case LIST_inset:
1.172 schwarze 748: if (MDOC_BODY == n->type && n->parent->head->nchild)
1.42 schwarze 749: term_word(p, "\\ ");
1.1 kristaps 750: break;
751: default:
752: break;
753: }
754:
1.42 schwarze 755: p->flags |= TERMP_NOSPACE;
756:
1.1 kristaps 757: switch (type) {
1.166 schwarze 758: case LIST_diag:
1.60 schwarze 759: if (MDOC_HEAD == n->type)
1.65 schwarze 760: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 761: break;
762: default:
763: break;
764: }
765:
766: /*
1.68 schwarze 767: * Pad and break control. This is the tricky part. These flags
768: * are documented in term_flushln() in term.c. Note that we're
769: * going to unset all of these flags in termp_it_post() when we
770: * exit.
1.1 kristaps 771: */
772:
773: switch (type) {
1.166 schwarze 774: case LIST_enum:
1.144 schwarze 775: /*
776: * Weird special case.
777: * Very narrow enum lists actually hang.
778: */
779: if (width == term_len(p, 2))
780: p->flags |= TERMP_HANG;
781: /* FALLTHROUGH */
1.166 schwarze 782: case LIST_bullet:
1.1 kristaps 783: /* FALLTHROUGH */
1.166 schwarze 784: case LIST_dash:
1.1 kristaps 785: /* FALLTHROUGH */
1.166 schwarze 786: case LIST_hyphen:
1.152 schwarze 787: if (MDOC_HEAD != n->type)
788: break;
789: p->flags |= TERMP_NOBREAK;
790: p->trailspace = 1;
1.33 schwarze 791: break;
1.166 schwarze 792: case LIST_hang:
1.152 schwarze 793: if (MDOC_HEAD != n->type)
1.47 schwarze 794: break;
795:
796: /*
797: * This is ugly. If `-hang' is specified and the body
798: * is a `Bl' or `Bd', then we want basically to nullify
799: * the "overstep" effect in term_flushln() and treat
800: * this as a `-ohang' list instead.
801: */
1.178 schwarze 802: if (NULL != n->next &&
803: NULL != n->next->child &&
1.166 schwarze 804: (MDOC_Bl == n->next->child->tok ||
805: MDOC_Bd == n->next->child->tok))
1.152 schwarze 806: break;
807:
1.165 schwarze 808: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.152 schwarze 809: p->trailspace = 1;
1.33 schwarze 810: break;
1.166 schwarze 811: case LIST_tag:
1.60 schwarze 812: if (MDOC_HEAD != n->type)
1.33 schwarze 813: break;
1.152 schwarze 814:
1.165 schwarze 815: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 816: p->trailspace = 2;
817:
1.60 schwarze 818: if (NULL == n->next || NULL == n->next->child)
1.33 schwarze 819: p->flags |= TERMP_DANGLE;
1.1 kristaps 820: break;
1.166 schwarze 821: case LIST_column:
1.85 schwarze 822: if (MDOC_HEAD == n->type)
823: break;
824:
1.152 schwarze 825: if (NULL == n->next) {
1.85 schwarze 826: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 827: p->trailspace = 0;
828: } else {
1.85 schwarze 829: p->flags |= TERMP_NOBREAK;
1.152 schwarze 830: p->trailspace = 1;
831: }
1.85 schwarze 832:
1.1 kristaps 833: break;
1.166 schwarze 834: case LIST_diag:
1.152 schwarze 835: if (MDOC_HEAD != n->type)
836: break;
1.165 schwarze 837: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 838: p->trailspace = 1;
1.1 kristaps 839: break;
840: default:
841: break;
842: }
843:
1.166 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) {
1.166 schwarze 853: case LIST_hang:
1.47 schwarze 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: */
1.178 schwarze 859: if (MDOC_HEAD == n->type &&
860: NULL != n->next &&
861: NULL != n->next->child &&
1.166 schwarze 862: (MDOC_Bl == n->next->child->tok ||
863: MDOC_Bd == n->next->child->tok))
1.47 schwarze 864: break;
865: /* FALLTHROUGH */
1.166 schwarze 866: case LIST_bullet:
1.1 kristaps 867: /* FALLTHROUGH */
1.166 schwarze 868: case LIST_dash:
1.1 kristaps 869: /* FALLTHROUGH */
1.166 schwarze 870: case LIST_enum:
1.1 kristaps 871: /* FALLTHROUGH */
1.166 schwarze 872: case LIST_hyphen:
1.33 schwarze 873: /* FALLTHROUGH */
1.166 schwarze 874: case LIST_tag:
1.41 schwarze 875: assert(width);
1.60 schwarze 876: if (MDOC_HEAD == n->type)
1.1 kristaps 877: p->rmargin = p->offset + width;
1.191 schwarze 878: else
1.1 kristaps 879: p->offset += width;
880: break;
1.166 schwarze 881: case LIST_column:
1.41 schwarze 882: assert(width);
1.1 kristaps 883: p->rmargin = p->offset + width;
1.166 schwarze 884: /*
1.43 schwarze 885: * XXX - this behaviour is not documented: the
886: * right-most column is filled to the right margin.
887: */
1.85 schwarze 888: if (MDOC_HEAD == n->type)
889: break;
890: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43 schwarze 891: p->rmargin = p->maxrmargin;
1.1 kristaps 892: break;
893: default:
894: break;
895: }
896:
1.166 schwarze 897: /*
1.1 kristaps 898: * The dash, hyphen, bullet and enum lists all have a special
1.166 schwarze 899: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 900: */
901:
1.60 schwarze 902: if (MDOC_HEAD == n->type)
1.1 kristaps 903: switch (type) {
1.166 schwarze 904: case LIST_bullet:
1.65 schwarze 905: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 906: term_word(p, "\\[bu]");
1.65 schwarze 907: term_fontpop(p);
1.1 kristaps 908: break;
1.166 schwarze 909: case LIST_dash:
1.1 kristaps 910: /* FALLTHROUGH */
1.166 schwarze 911: case LIST_hyphen:
1.65 schwarze 912: term_fontpush(p, TERMFONT_BOLD);
1.35 schwarze 913: term_word(p, "\\(hy");
1.65 schwarze 914: term_fontpop(p);
1.1 kristaps 915: break;
1.166 schwarze 916: case LIST_enum:
1.1 kristaps 917: (pair->ppair->ppair->count)++;
1.167 schwarze 918: (void)snprintf(buf, sizeof(buf), "%d.",
1.166 schwarze 919: pair->ppair->ppair->count);
1.1 kristaps 920: term_word(p, buf);
921: break;
922: default:
923: break;
924: }
1.12 schwarze 925:
1.166 schwarze 926: /*
1.1 kristaps 927: * If we're not going to process our children, indicate so here.
928: */
929:
930: switch (type) {
1.166 schwarze 931: case LIST_bullet:
1.1 kristaps 932: /* FALLTHROUGH */
1.166 schwarze 933: case LIST_item:
1.1 kristaps 934: /* FALLTHROUGH */
1.166 schwarze 935: case LIST_dash:
1.1 kristaps 936: /* FALLTHROUGH */
1.166 schwarze 937: case LIST_hyphen:
1.1 kristaps 938: /* FALLTHROUGH */
1.166 schwarze 939: case LIST_enum:
1.60 schwarze 940: if (MDOC_HEAD == n->type)
1.1 kristaps 941: return(0);
942: break;
1.166 schwarze 943: case LIST_column:
1.85 schwarze 944: if (MDOC_HEAD == n->type)
1.1 kristaps 945: return(0);
946: break;
947: default:
948: break;
949: }
950:
951: return(1);
952: }
953:
954: static void
955: termp_it_post(DECL_ARGS)
956: {
1.82 schwarze 957: enum mdoc_list type;
1.1 kristaps 958:
1.68 schwarze 959: if (MDOC_BLOCK == n->type)
1.1 kristaps 960: return;
961:
1.121 schwarze 962: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 963:
964: switch (type) {
1.166 schwarze 965: case LIST_item:
1.44 schwarze 966: /* FALLTHROUGH */
1.166 schwarze 967: case LIST_diag:
1.1 kristaps 968: /* FALLTHROUGH */
1.166 schwarze 969: case LIST_inset:
1.60 schwarze 970: if (MDOC_BODY == n->type)
1.74 schwarze 971: term_newln(p);
1.1 kristaps 972: break;
1.166 schwarze 973: case LIST_column:
1.85 schwarze 974: if (MDOC_BODY == n->type)
1.1 kristaps 975: term_flushln(p);
976: break;
977: default:
1.74 schwarze 978: term_newln(p);
1.1 kristaps 979: break;
980: }
981:
1.166 schwarze 982: /*
1.68 schwarze 983: * Now that our output is flushed, we can reset our tags. Since
984: * only `It' sets these flags, we're free to assume that nobody
985: * has munged them in the meanwhile.
986: */
987:
1.165 schwarze 988: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
989: TERMP_DANGLE | TERMP_HANG);
1.152 schwarze 990: p->trailspace = 0;
1.1 kristaps 991: }
992:
993: static int
994: termp_nm_pre(DECL_ARGS)
995: {
996:
1.155 schwarze 997: if (MDOC_BLOCK == n->type) {
998: p->flags |= TERMP_PREKEEP;
1.94 schwarze 999: return(1);
1.155 schwarze 1000: }
1.94 schwarze 1001:
1002: if (MDOC_BODY == n->type) {
1003: if (NULL == n->child)
1004: return(0);
1.136 schwarze 1005: p->flags |= TERMP_NOSPACE;
1.94 schwarze 1006: p->offset += term_len(p, 1) +
1.147 schwarze 1007: (NULL == n->prev->child ?
1008: term_strlen(p, meta->name) :
1.94 schwarze 1009: MDOC_TEXT == n->prev->child->type ?
1.147 schwarze 1010: term_strlen(p, n->prev->child->string) :
1.94 schwarze 1011: term_len(p, 5));
1012: return(1);
1013: }
1014:
1.147 schwarze 1015: if (NULL == n->child && NULL == meta->name)
1.94 schwarze 1016: return(0);
1.81 schwarze 1017:
1.97 schwarze 1018: if (MDOC_HEAD == n->type)
1019: synopsis_pre(p, n->parent);
1.65 schwarze 1020:
1.178 schwarze 1021: if (MDOC_HEAD == n->type &&
1022: NULL != n->next && NULL != n->next->child) {
1.165 schwarze 1023: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 1024: p->trailspace = 1;
1.105 schwarze 1025: p->rmargin = p->offset + term_len(p, 1);
1026: if (NULL == n->child) {
1.147 schwarze 1027: p->rmargin += term_strlen(p, meta->name);
1.105 schwarze 1028: } else if (MDOC_TEXT == n->child->type) {
1029: p->rmargin += term_strlen(p, n->child->string);
1030: if (n->child->next)
1031: p->flags |= TERMP_HANG;
1032: } else {
1033: p->rmargin += term_len(p, 5);
1034: p->flags |= TERMP_HANG;
1035: }
1.94 schwarze 1036: }
1037:
1.65 schwarze 1038: term_fontpush(p, TERMFONT_BOLD);
1.60 schwarze 1039: if (NULL == n->child)
1.147 schwarze 1040: term_word(p, meta->name);
1.1 kristaps 1041: return(1);
1042: }
1043:
1.94 schwarze 1044: static void
1045: termp_nm_post(DECL_ARGS)
1046: {
1047:
1.155 schwarze 1048: if (MDOC_BLOCK == n->type) {
1049: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.178 schwarze 1050: } else if (MDOC_HEAD == n->type &&
1051: NULL != n->next && NULL != n->next->child) {
1.94 schwarze 1052: term_flushln(p);
1.165 schwarze 1053: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.152 schwarze 1054: p->trailspace = 0;
1.136 schwarze 1055: } else if (MDOC_BODY == n->type && n->child)
1.94 schwarze 1056: term_flushln(p);
1057: }
1058:
1.1 kristaps 1059: static int
1060: termp_fl_pre(DECL_ARGS)
1061: {
1062:
1.65 schwarze 1063: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1064: term_word(p, "\\-");
1.67 schwarze 1065:
1.179 schwarze 1066: if ( ! (n->nchild == 0 &&
1067: (n->next == NULL ||
1068: n->next->type == MDOC_TEXT ||
1069: n->next->flags & MDOC_LINE)))
1.73 schwarze 1070: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1071:
1.1 kristaps 1072: return(1);
1.49 schwarze 1073: }
1074:
1075: static int
1.104 schwarze 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
1.49 schwarze 1087: termp_an_pre(DECL_ARGS)
1088: {
1089:
1.181 schwarze 1090: if (n->norm->An.auth == AUTH_split) {
1091: p->flags &= ~TERMP_NOSPLIT;
1092: p->flags |= TERMP_SPLIT;
1093: return(0);
1094: }
1095: if (n->norm->An.auth == AUTH_nosplit) {
1096: p->flags &= ~TERMP_SPLIT;
1097: p->flags |= TERMP_NOSPLIT;
1098: return(0);
1099: }
1.49 schwarze 1100:
1.181 schwarze 1101: if (n->child == NULL)
1102: return(0);
1.166 schwarze 1103:
1.181 schwarze 1104: if (p->flags & TERMP_SPLIT)
1.49 schwarze 1105: term_newln(p);
1106:
1.181 schwarze 1107: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1108: p->flags |= TERMP_SPLIT;
1.49 schwarze 1109:
1110: return(1);
1.1 kristaps 1111: }
1112:
1113: static int
1114: termp_ns_pre(DECL_ARGS)
1115: {
1116:
1.127 schwarze 1117: if ( ! (MDOC_LINE & n->flags))
1118: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1119: return(1);
1120: }
1121:
1122: static int
1123: termp_rs_pre(DECL_ARGS)
1124: {
1125:
1.60 schwarze 1126: if (SEC_SEE_ALSO != n->sec)
1.57 schwarze 1127: return(1);
1.60 schwarze 1128: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1129: term_vspace(p);
1130: return(1);
1131: }
1132:
1133: static int
1134: termp_rv_pre(DECL_ARGS)
1135: {
1.132 schwarze 1136: int nchild;
1.1 kristaps 1137:
1138: term_newln(p);
1139:
1.132 schwarze 1140: nchild = n->nchild;
1.175 schwarze 1141: if (nchild > 0) {
1142: term_word(p, "The");
1.132 schwarze 1143:
1.175 schwarze 1144: for (n = n->child; n; n = n->next) {
1145: term_fontpush(p, TERMFONT_BOLD);
1146: term_word(p, n->string);
1147: term_fontpop(p);
1.132 schwarze 1148:
1149: p->flags |= TERMP_NOSPACE;
1.175 schwarze 1150: term_word(p, "()");
1151:
1152: if (n->next == NULL)
1153: continue;
1154:
1155: if (nchild > 2) {
1156: p->flags |= TERMP_NOSPACE;
1157: term_word(p, ",");
1158: }
1159: if (n->next->next == NULL)
1160: term_word(p, "and");
1.132 schwarze 1161: }
1162:
1.175 schwarze 1163: if (nchild > 1)
1164: term_word(p, "functions return");
1165: else
1166: term_word(p, "function returns");
1167:
1168: term_word(p, "the value\\~0 if successful;");
1169: } else
1170: term_word(p, "Upon successful completion,"
1171: " the value\\~0 is returned;");
1.1 kristaps 1172:
1.175 schwarze 1173: term_word(p, "otherwise the value\\~\\-1 is returned"
1174: " and the global variable");
1.1 kristaps 1175:
1.65 schwarze 1176: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1177: term_word(p, "errno");
1.65 schwarze 1178: term_fontpop(p);
1.1 kristaps 1179:
1.166 schwarze 1180: term_word(p, "is set to indicate the error.");
1.84 schwarze 1181: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1182:
1.53 schwarze 1183: return(0);
1.1 kristaps 1184: }
1185:
1186: static int
1187: termp_ex_pre(DECL_ARGS)
1188: {
1.132 schwarze 1189: int nchild;
1.1 kristaps 1190:
1.132 schwarze 1191: term_newln(p);
1.53 schwarze 1192: term_word(p, "The");
1.1 kristaps 1193:
1.132 schwarze 1194: nchild = n->nchild;
1195: for (n = n->child; n; n = n->next) {
1.65 schwarze 1196: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1197: term_word(p, n->string);
1.65 schwarze 1198: term_fontpop(p);
1.132 schwarze 1199:
1200: if (nchild > 2 && n->next) {
1201: p->flags |= TERMP_NOSPACE;
1.53 schwarze 1202: term_word(p, ",");
1.132 schwarze 1203: }
1204:
1205: if (n->next && NULL == n->next->next)
1206: term_word(p, "and");
1.53 schwarze 1207: }
1208:
1.132 schwarze 1209: if (nchild > 1)
1.175 schwarze 1210: term_word(p, "utilities exit\\~0");
1.53 schwarze 1211: else
1.175 schwarze 1212: term_word(p, "utility exits\\~0");
1.53 schwarze 1213:
1.175 schwarze 1214: term_word(p, "on success, and\\~>0 if an error occurs.");
1.132 schwarze 1215:
1.84 schwarze 1216: p->flags |= TERMP_SENTENCE;
1.53 schwarze 1217: return(0);
1.1 kristaps 1218: }
1219:
1220: static int
1221: termp_nd_pre(DECL_ARGS)
1222: {
1.25 schwarze 1223:
1.60 schwarze 1224: if (MDOC_BODY != n->type)
1.25 schwarze 1225: return(1);
1226:
1227: #if defined(__OpenBSD__) || defined(__linux__)
1228: term_word(p, "\\(en");
1.24 schwarze 1229: #else
1230: term_word(p, "\\(em");
1231: #endif
1.1 kristaps 1232: return(1);
1233: }
1234:
1.73 schwarze 1235: static int
1236: termp_bl_pre(DECL_ARGS)
1237: {
1238:
1239: return(MDOC_HEAD != n->type);
1240: }
1241:
1.1 kristaps 1242: static void
1243: termp_bl_post(DECL_ARGS)
1244: {
1245:
1.60 schwarze 1246: if (MDOC_BLOCK == n->type)
1.1 kristaps 1247: term_newln(p);
1248: }
1249:
1250: static int
1251: termp_xr_pre(DECL_ARGS)
1252: {
1253:
1.132 schwarze 1254: if (NULL == (n = n->child))
1.72 schwarze 1255: return(0);
1256:
1.132 schwarze 1257: assert(MDOC_TEXT == n->type);
1258: term_word(p, n->string);
1.10 schwarze 1259:
1.166 schwarze 1260: if (NULL == (n = n->next))
1.1 kristaps 1261: return(0);
1.132 schwarze 1262:
1.1 kristaps 1263: p->flags |= TERMP_NOSPACE;
1264: term_word(p, "(");
1.132 schwarze 1265: p->flags |= TERMP_NOSPACE;
1266:
1267: assert(MDOC_TEXT == n->type);
1268: term_word(p, n->string);
1269:
1270: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1271: term_word(p, ")");
1.60 schwarze 1272:
1.1 kristaps 1273: return(0);
1274: }
1275:
1.86 schwarze 1276: /*
1277: * This decides how to assert whitespace before any of the SYNOPSIS set
1278: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1279: * macro combos).
1280: */
1281: static void
1282: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1283: {
1.166 schwarze 1284: /*
1.86 schwarze 1285: * Obviously, if we're not in a SYNOPSIS or no prior macros
1286: * exist, do nothing.
1287: */
1.92 schwarze 1288: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.86 schwarze 1289: return;
1290:
1291: /*
1292: * If we're the second in a pair of like elements, emit our
1293: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1294: * case we soldier on.
1295: */
1.166 schwarze 1296: if (n->prev->tok == n->tok &&
1297: MDOC_Ft != n->tok &&
1298: MDOC_Fo != n->tok &&
1299: MDOC_Fn != n->tok) {
1.86 schwarze 1300: term_newln(p);
1301: return;
1302: }
1303:
1304: /*
1305: * If we're one of the SYNOPSIS set and non-like pair-wise after
1306: * another (or Fn/Fo, which we've let slip through) then assert
1307: * vertical space, else only newline and move on.
1308: */
1309: switch (n->prev->tok) {
1.166 schwarze 1310: case MDOC_Fd:
1.86 schwarze 1311: /* FALLTHROUGH */
1.166 schwarze 1312: case MDOC_Fn:
1.86 schwarze 1313: /* FALLTHROUGH */
1.166 schwarze 1314: case MDOC_Fo:
1.86 schwarze 1315: /* FALLTHROUGH */
1.166 schwarze 1316: case MDOC_In:
1.86 schwarze 1317: /* FALLTHROUGH */
1.166 schwarze 1318: case MDOC_Vt:
1.86 schwarze 1319: term_vspace(p);
1320: break;
1.166 schwarze 1321: case MDOC_Ft:
1.86 schwarze 1322: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1323: term_vspace(p);
1324: break;
1325: }
1326: /* FALLTHROUGH */
1327: default:
1328: term_newln(p);
1329: break;
1330: }
1331: }
1332:
1.69 schwarze 1333: static int
1334: termp_vt_pre(DECL_ARGS)
1335: {
1336:
1.86 schwarze 1337: if (MDOC_ELEM == n->type) {
1338: synopsis_pre(p, n);
1.147 schwarze 1339: return(termp_under_pre(p, pair, meta, n));
1.86 schwarze 1340: } else if (MDOC_BLOCK == n->type) {
1341: synopsis_pre(p, n);
1342: return(1);
1343: } else if (MDOC_HEAD == n->type)
1.69 schwarze 1344: return(0);
1345:
1.147 schwarze 1346: return(termp_under_pre(p, pair, meta, n));
1.69 schwarze 1347: }
1348:
1.1 kristaps 1349: static int
1.54 schwarze 1350: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1351: {
1352:
1.65 schwarze 1353: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1354: return(1);
1355: }
1356:
1.86 schwarze 1357: static int
1358: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1359: {
1360:
1.86 schwarze 1361: synopsis_pre(p, n);
1.147 schwarze 1362: return(termp_bold_pre(p, pair, meta, n));
1.1 kristaps 1363: }
1364:
1.143 schwarze 1365: static void
1366: termp_fd_post(DECL_ARGS)
1367: {
1368:
1369: term_newln(p);
1370: }
1371:
1.1 kristaps 1372: static int
1373: termp_sh_pre(DECL_ARGS)
1374: {
1.60 schwarze 1375:
1376: switch (n->type) {
1.166 schwarze 1377: case MDOC_BLOCK:
1.192 schwarze 1378: /*
1379: * Vertical space before sections, except
1380: * when the previous section was empty.
1381: */
1382: if (n->prev == NULL ||
1383: MDOC_Sh != n->prev->tok ||
1384: (n->prev->body != NULL &&
1385: n->prev->body->child != NULL))
1386: term_vspace(p);
1.52 schwarze 1387: break;
1.166 schwarze 1388: case MDOC_HEAD:
1.65 schwarze 1389: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1390: break;
1.166 schwarze 1391: case MDOC_BODY:
1.140 schwarze 1392: p->offset = term_len(p, p->defindent);
1.141 schwarze 1393: if (SEC_AUTHORS == n->sec)
1394: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1395: break;
1396: default:
1397: break;
1398: }
1399: return(1);
1400: }
1401:
1402: static void
1403: termp_sh_post(DECL_ARGS)
1404: {
1405:
1.60 schwarze 1406: switch (n->type) {
1.166 schwarze 1407: case MDOC_HEAD:
1.1 kristaps 1408: term_newln(p);
1409: break;
1.166 schwarze 1410: case MDOC_BODY:
1.1 kristaps 1411: term_newln(p);
1412: p->offset = 0;
1413: break;
1414: default:
1415: break;
1416: }
1417: }
1418:
1419: static int
1420: termp_bt_pre(DECL_ARGS)
1421: {
1422:
1423: term_word(p, "is currently in beta test.");
1.84 schwarze 1424: p->flags |= TERMP_SENTENCE;
1.59 schwarze 1425: return(0);
1.1 kristaps 1426: }
1427:
1428: static void
1429: termp_lb_post(DECL_ARGS)
1430: {
1431:
1.77 schwarze 1432: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.57 schwarze 1433: term_newln(p);
1.1 kristaps 1434: }
1435:
1436: static int
1437: termp_ud_pre(DECL_ARGS)
1438: {
1439:
1440: term_word(p, "currently under development.");
1.84 schwarze 1441: p->flags |= TERMP_SENTENCE;
1.60 schwarze 1442: return(0);
1.1 kristaps 1443: }
1444:
1445: static int
1446: termp_d1_pre(DECL_ARGS)
1447: {
1448:
1.60 schwarze 1449: if (MDOC_BLOCK != n->type)
1.1 kristaps 1450: return(1);
1451: term_newln(p);
1.140 schwarze 1452: p->offset += term_len(p, p->defindent + 1);
1.1 kristaps 1453: return(1);
1454: }
1455:
1456: static int
1457: termp_ft_pre(DECL_ARGS)
1458: {
1459:
1.85 schwarze 1460: /* NB: MDOC_LINE does not effect this! */
1.86 schwarze 1461: synopsis_pre(p, n);
1.65 schwarze 1462: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1463: return(1);
1464: }
1465:
1466: static int
1467: termp_fn_pre(DECL_ARGS)
1468: {
1.159 schwarze 1469: size_t rmargin = 0;
1.132 schwarze 1470: int pretty;
1471:
1472: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1473:
1.86 schwarze 1474: synopsis_pre(p, n);
1.85 schwarze 1475:
1.132 schwarze 1476: if (NULL == (n = n->child))
1477: return(0);
1478:
1.153 schwarze 1479: if (pretty) {
1480: rmargin = p->rmargin;
1.159 schwarze 1481: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1482: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.153 schwarze 1483: }
1484:
1.132 schwarze 1485: assert(MDOC_TEXT == n->type);
1.65 schwarze 1486: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1487: term_word(p, n->string);
1.65 schwarze 1488: term_fontpop(p);
1.1 kristaps 1489:
1.153 schwarze 1490: if (pretty) {
1491: term_flushln(p);
1.165 schwarze 1492: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.153 schwarze 1493: p->offset = p->rmargin;
1494: p->rmargin = rmargin;
1495: }
1496:
1.1 kristaps 1497: p->flags |= TERMP_NOSPACE;
1498: term_word(p, "(");
1.132 schwarze 1499: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1500:
1.132 schwarze 1501: for (n = n->next; n; n = n->next) {
1502: assert(MDOC_TEXT == n->type);
1.65 schwarze 1503: term_fontpush(p, TERMFONT_UNDER);
1.157 schwarze 1504: if (pretty)
1505: p->flags |= TERMP_NBRWORD;
1.132 schwarze 1506: term_word(p, n->string);
1.65 schwarze 1507: term_fontpop(p);
1508:
1.132 schwarze 1509: if (n->next) {
1510: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1511: term_word(p, ",");
1.132 schwarze 1512: }
1.1 kristaps 1513: }
1514:
1.132 schwarze 1515: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1516: term_word(p, ")");
1517:
1.132 schwarze 1518: if (pretty) {
1519: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1520: term_word(p, ";");
1.153 schwarze 1521: term_flushln(p);
1.132 schwarze 1522: }
1.1 kristaps 1523:
1524: return(0);
1525: }
1526:
1527: static int
1528: termp_fa_pre(DECL_ARGS)
1529: {
1.60 schwarze 1530: const struct mdoc_node *nn;
1.1 kristaps 1531:
1.60 schwarze 1532: if (n->parent->tok != MDOC_Fo) {
1.65 schwarze 1533: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1534: return(1);
1535: }
1536:
1.60 schwarze 1537: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1538: term_fontpush(p, TERMFONT_UNDER);
1.160 schwarze 1539: p->flags |= TERMP_NBRWORD;
1.60 schwarze 1540: term_word(p, nn->string);
1.65 schwarze 1541: term_fontpop(p);
1542:
1.158 schwarze 1543: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.132 schwarze 1544: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1545: term_word(p, ",");
1.132 schwarze 1546: }
1.1 kristaps 1547: }
1548:
1549: return(0);
1550: }
1551:
1552: static int
1553: termp_bd_pre(DECL_ARGS)
1554: {
1.174 schwarze 1555: size_t tabwidth, lm, len, rm, rmax;
1.146 schwarze 1556: struct mdoc_node *nn;
1.1 kristaps 1557:
1.60 schwarze 1558: if (MDOC_BLOCK == n->type) {
1.61 schwarze 1559: print_bvspace(p, n, n);
1.45 schwarze 1560: return(1);
1.73 schwarze 1561: } else if (MDOC_HEAD == n->type)
1562: return(0);
1.1 kristaps 1563:
1.187 schwarze 1564: /* Handle the -offset argument. */
1565:
1566: if (n->norm->Bd.offs == NULL ||
1567: ! strcmp(n->norm->Bd.offs, "left"))
1568: /* nothing */;
1569: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1570: p->offset += term_len(p, p->defindent + 1);
1571: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1572: p->offset += term_len(p, (p->defindent + 1) * 2);
1573: else
1574: p->offset += a2width(p, n->norm->Bd.offs);
1.60 schwarze 1575:
1576: /*
1577: * If -ragged or -filled are specified, the block does nothing
1578: * but change the indentation. If -unfilled or -literal are
1579: * specified, text is printed exactly as entered in the display:
1580: * for macro lines, a newline is appended to the line. Blank
1581: * lines are allowed.
1582: */
1.166 schwarze 1583:
1584: if (DISP_literal != n->norm->Bd.type &&
1.174 schwarze 1585: DISP_unfilled != n->norm->Bd.type &&
1586: DISP_centered != n->norm->Bd.type)
1.1 kristaps 1587: return(1);
1588:
1.75 schwarze 1589: tabwidth = p->tabwidth;
1.123 schwarze 1590: if (DISP_literal == n->norm->Bd.type)
1591: p->tabwidth = term_len(p, 8);
1592:
1.174 schwarze 1593: lm = p->offset;
1.77 schwarze 1594: rm = p->rmargin;
1595: rmax = p->maxrmargin;
1596: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1597:
1.60 schwarze 1598: for (nn = n->child; nn; nn = nn->next) {
1.174 schwarze 1599: if (DISP_centered == n->norm->Bd.type) {
1600: if (MDOC_TEXT == nn->type) {
1601: len = term_strlen(p, nn->string);
1602: p->offset = len >= rm ? 0 :
1603: lm + len >= rm ? rm - len :
1604: (lm + rm - len) / 2;
1605: } else
1606: p->offset = lm;
1607: }
1.147 schwarze 1608: print_mdoc_node(p, pair, meta, nn);
1.108 schwarze 1609: /*
1610: * If the printed node flushes its own line, then we
1611: * needn't do it here as well. This is hacky, but the
1612: * notion of selective eoln whitespace is pretty dumb
1613: * anyway, so don't sweat it.
1614: */
1615: switch (nn->tok) {
1.166 schwarze 1616: case MDOC_Sm:
1.112 schwarze 1617: /* FALLTHROUGH */
1.166 schwarze 1618: case MDOC_br:
1.108 schwarze 1619: /* FALLTHROUGH */
1.166 schwarze 1620: case MDOC_sp:
1.108 schwarze 1621: /* FALLTHROUGH */
1.166 schwarze 1622: case MDOC_Bl:
1.115 schwarze 1623: /* FALLTHROUGH */
1.166 schwarze 1624: case MDOC_D1:
1.115 schwarze 1625: /* FALLTHROUGH */
1.166 schwarze 1626: case MDOC_Dl:
1.108 schwarze 1627: /* FALLTHROUGH */
1.166 schwarze 1628: case MDOC_Lp:
1.108 schwarze 1629: /* FALLTHROUGH */
1.166 schwarze 1630: case MDOC_Pp:
1.108 schwarze 1631: continue;
1632: default:
1633: break;
1634: }
1.100 schwarze 1635: if (nn->next && nn->next->line == nn->line)
1636: continue;
1637: term_flushln(p);
1.48 schwarze 1638: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1639: }
1.88 schwarze 1640:
1.75 schwarze 1641: p->tabwidth = tabwidth;
1.77 schwarze 1642: p->rmargin = rm;
1643: p->maxrmargin = rmax;
1.1 kristaps 1644: return(0);
1645: }
1646:
1647: static void
1648: termp_bd_post(DECL_ARGS)
1649: {
1.77 schwarze 1650: size_t rm, rmax;
1.1 kristaps 1651:
1.166 schwarze 1652: if (MDOC_BODY != n->type)
1.1 kristaps 1653: return;
1.77 schwarze 1654:
1655: rm = p->rmargin;
1656: rmax = p->maxrmargin;
1657:
1.166 schwarze 1658: if (DISP_literal == n->norm->Bd.type ||
1659: DISP_unfilled == n->norm->Bd.type)
1.77 schwarze 1660: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1661:
1.48 schwarze 1662: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1663: term_newln(p);
1.77 schwarze 1664:
1665: p->rmargin = rm;
1666: p->maxrmargin = rmax;
1.1 kristaps 1667: }
1668:
1.126 schwarze 1669: static int
1670: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1671: {
1672:
1.126 schwarze 1673: if (NULL != (n = n->child)) {
1674: term_word(p, n->string);
1675: p->flags |= TERMP_NOSPACE;
1676: term_word(p, "BSD");
1677: } else {
1678: term_word(p, "BSD");
1679: return(0);
1680: }
1681:
1682: if (NULL != (n = n->next)) {
1683: p->flags |= TERMP_NOSPACE;
1684: term_word(p, "-");
1.1 kristaps 1685: p->flags |= TERMP_NOSPACE;
1.126 schwarze 1686: term_word(p, n->string);
1687: }
1688:
1689: return(0);
1.1 kristaps 1690: }
1691:
1692: static int
1.26 schwarze 1693: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1694: {
1.26 schwarze 1695: const char *pp;
1.129 schwarze 1696: int flags;
1.1 kristaps 1697:
1.26 schwarze 1698: pp = NULL;
1.60 schwarze 1699: switch (n->tok) {
1.166 schwarze 1700: case MDOC_Bsx:
1.113 schwarze 1701: pp = "BSD/OS";
1.26 schwarze 1702: break;
1.166 schwarze 1703: case MDOC_Dx:
1.64 schwarze 1704: pp = "DragonFly";
1.26 schwarze 1705: break;
1.166 schwarze 1706: case MDOC_Fx:
1.26 schwarze 1707: pp = "FreeBSD";
1708: break;
1.166 schwarze 1709: case MDOC_Nx:
1.26 schwarze 1710: pp = "NetBSD";
1711: break;
1.166 schwarze 1712: case MDOC_Ox:
1.26 schwarze 1713: pp = "OpenBSD";
1714: break;
1.166 schwarze 1715: case MDOC_Ux:
1.26 schwarze 1716: pp = "UNIX";
1717: break;
1718: default:
1.148 schwarze 1719: abort();
1720: /* NOTREACHED */
1.26 schwarze 1721: }
1.1 kristaps 1722:
1.26 schwarze 1723: term_word(p, pp);
1.129 schwarze 1724: if (n->child) {
1725: flags = p->flags;
1726: p->flags |= TERMP_KEEP;
1727: term_word(p, n->child->string);
1728: p->flags = flags;
1729: }
1730: return(0);
1.1 kristaps 1731: }
1732:
1733: static void
1734: termp_pf_post(DECL_ARGS)
1735: {
1736:
1737: p->flags |= TERMP_NOSPACE;
1738: }
1739:
1740: static int
1741: termp_ss_pre(DECL_ARGS)
1742: {
1743:
1.60 schwarze 1744: switch (n->type) {
1.166 schwarze 1745: case MDOC_BLOCK:
1.1 kristaps 1746: term_newln(p);
1.60 schwarze 1747: if (n->prev)
1.1 kristaps 1748: term_vspace(p);
1749: break;
1.166 schwarze 1750: case MDOC_HEAD:
1.65 schwarze 1751: term_fontpush(p, TERMFONT_BOLD);
1.140 schwarze 1752: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1753: break;
1.176 schwarze 1754: case MDOC_BODY:
1755: p->offset = term_len(p, p->defindent);
1756: break;
1.1 kristaps 1757: default:
1758: break;
1759: }
1760:
1761: return(1);
1762: }
1763:
1764: static void
1765: termp_ss_post(DECL_ARGS)
1766: {
1767:
1.176 schwarze 1768: if (n->type == MDOC_HEAD || n->type == MDOC_BODY)
1.1 kristaps 1769: term_newln(p);
1770: }
1771:
1772: static int
1773: termp_cd_pre(DECL_ARGS)
1774: {
1775:
1.86 schwarze 1776: synopsis_pre(p, n);
1.65 schwarze 1777: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1778: return(1);
1779: }
1780:
1781: static int
1782: termp_in_pre(DECL_ARGS)
1783: {
1784:
1.86 schwarze 1785: synopsis_pre(p, n);
1.85 schwarze 1786:
1.92 schwarze 1787: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.85 schwarze 1788: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1789: term_word(p, "#include");
1.85 schwarze 1790: term_word(p, "<");
1791: } else {
1792: term_word(p, "<");
1793: term_fontpush(p, TERMFONT_UNDER);
1794: }
1.23 schwarze 1795:
1.1 kristaps 1796: p->flags |= TERMP_NOSPACE;
1797: return(1);
1798: }
1799:
1800: static void
1801: termp_in_post(DECL_ARGS)
1802: {
1803:
1.92 schwarze 1804: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1805: term_fontpush(p, TERMFONT_BOLD);
1806:
1.59 schwarze 1807: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1808: term_word(p, ">");
1809:
1.92 schwarze 1810: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1811: term_fontpop(p);
1.38 schwarze 1812: }
1813:
1814: static int
1815: termp_sp_pre(DECL_ARGS)
1816: {
1.61 schwarze 1817: size_t i, len;
1.38 schwarze 1818:
1.60 schwarze 1819: switch (n->tok) {
1.166 schwarze 1820: case MDOC_sp:
1.89 schwarze 1821: len = n->child ? a2height(p, n->child->string) : 1;
1.54 schwarze 1822: break;
1.166 schwarze 1823: case MDOC_br:
1.54 schwarze 1824: len = 0;
1825: break;
1826: default:
1827: len = 1;
1828: break;
1.38 schwarze 1829: }
1830:
1831: if (0 == len)
1832: term_newln(p);
1833: for (i = 0; i < len; i++)
1834: term_vspace(p);
1835:
1836: return(0);
1837: }
1838:
1839: static int
1.193 schwarze 1840: termp_skip_pre(DECL_ARGS)
1.170 schwarze 1841: {
1842:
1843: return(0);
1844: }
1845:
1846: static int
1.107 schwarze 1847: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1848: {
1849:
1.120 schwarze 1850: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1851: return(1);
1852:
1.107 schwarze 1853: switch (n->tok) {
1.166 schwarze 1854: case MDOC_Ao:
1.107 schwarze 1855: /* FALLTHROUGH */
1.166 schwarze 1856: case MDOC_Aq:
1.190 schwarze 1857: term_word(p, n->parent->prev != NULL &&
1858: n->parent->prev->tok == MDOC_An ? "<" : "\\(la");
1.107 schwarze 1859: break;
1.166 schwarze 1860: case MDOC_Bro:
1.107 schwarze 1861: /* FALLTHROUGH */
1.166 schwarze 1862: case MDOC_Brq:
1.107 schwarze 1863: term_word(p, "{");
1864: break;
1.166 schwarze 1865: case MDOC_Oo:
1.107 schwarze 1866: /* FALLTHROUGH */
1.166 schwarze 1867: case MDOC_Op:
1.107 schwarze 1868: /* FALLTHROUGH */
1.166 schwarze 1869: case MDOC_Bo:
1.107 schwarze 1870: /* FALLTHROUGH */
1.166 schwarze 1871: case MDOC_Bq:
1.107 schwarze 1872: term_word(p, "[");
1873: break;
1.166 schwarze 1874: case MDOC_Do:
1.107 schwarze 1875: /* FALLTHROUGH */
1.166 schwarze 1876: case MDOC_Dq:
1.151 schwarze 1877: term_word(p, "\\(lq");
1.107 schwarze 1878: break;
1.170 schwarze 1879: case MDOC_En:
1880: if (NULL == n->norm->Es ||
1881: NULL == n->norm->Es->child)
1882: return(1);
1883: term_word(p, n->norm->Es->child->string);
1884: break;
1.166 schwarze 1885: case MDOC_Eo:
1.139 schwarze 1886: break;
1.166 schwarze 1887: case MDOC_Po:
1.107 schwarze 1888: /* FALLTHROUGH */
1.166 schwarze 1889: case MDOC_Pq:
1.107 schwarze 1890: term_word(p, "(");
1891: break;
1.166 schwarze 1892: case MDOC__T:
1.120 schwarze 1893: /* FALLTHROUGH */
1.166 schwarze 1894: case MDOC_Qo:
1.107 schwarze 1895: /* FALLTHROUGH */
1.166 schwarze 1896: case MDOC_Qq:
1.107 schwarze 1897: term_word(p, "\"");
1898: break;
1.166 schwarze 1899: case MDOC_Ql:
1.107 schwarze 1900: /* FALLTHROUGH */
1.166 schwarze 1901: case MDOC_So:
1.107 schwarze 1902: /* FALLTHROUGH */
1.166 schwarze 1903: case MDOC_Sq:
1.151 schwarze 1904: term_word(p, "\\(oq");
1.107 schwarze 1905: break;
1906: default:
1907: abort();
1908: /* NOTREACHED */
1909: }
1.1 kristaps 1910:
1911: p->flags |= TERMP_NOSPACE;
1912: return(1);
1913: }
1914:
1915: static void
1.107 schwarze 1916: termp_quote_post(DECL_ARGS)
1.1 kristaps 1917: {
1918:
1.194 ! schwarze 1919: if (n->type != MDOC_BODY && n->type != MDOC_ELEM)
1.1 kristaps 1920: return;
1921:
1.194 ! schwarze 1922: if ( ! (n->tok == MDOC_En ||
! 1923: (n->tok == MDOC_Eo && n->end == ENDBODY_SPACE)))
1.170 schwarze 1924: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1925:
1.107 schwarze 1926: switch (n->tok) {
1.166 schwarze 1927: case MDOC_Ao:
1.107 schwarze 1928: /* FALLTHROUGH */
1.166 schwarze 1929: case MDOC_Aq:
1.190 schwarze 1930: term_word(p, n->parent->prev != NULL &&
1931: n->parent->prev->tok == MDOC_An ? ">" : "\\(ra");
1.107 schwarze 1932: break;
1.166 schwarze 1933: case MDOC_Bro:
1.107 schwarze 1934: /* FALLTHROUGH */
1.166 schwarze 1935: case MDOC_Brq:
1.107 schwarze 1936: term_word(p, "}");
1937: break;
1.166 schwarze 1938: case MDOC_Oo:
1.107 schwarze 1939: /* FALLTHROUGH */
1.166 schwarze 1940: case MDOC_Op:
1.107 schwarze 1941: /* FALLTHROUGH */
1.166 schwarze 1942: case MDOC_Bo:
1.107 schwarze 1943: /* FALLTHROUGH */
1.166 schwarze 1944: case MDOC_Bq:
1.107 schwarze 1945: term_word(p, "]");
1946: break;
1.166 schwarze 1947: case MDOC_Do:
1.107 schwarze 1948: /* FALLTHROUGH */
1.166 schwarze 1949: case MDOC_Dq:
1.151 schwarze 1950: term_word(p, "\\(rq");
1.170 schwarze 1951: break;
1952: case MDOC_En:
1953: if (NULL != n->norm->Es &&
1954: NULL != n->norm->Es->child &&
1955: NULL != n->norm->Es->child->next) {
1956: p->flags |= TERMP_NOSPACE;
1957: term_word(p, n->norm->Es->child->next->string);
1958: }
1.139 schwarze 1959: break;
1.166 schwarze 1960: case MDOC_Eo:
1.107 schwarze 1961: break;
1.166 schwarze 1962: case MDOC_Po:
1.107 schwarze 1963: /* FALLTHROUGH */
1.166 schwarze 1964: case MDOC_Pq:
1.107 schwarze 1965: term_word(p, ")");
1966: break;
1.166 schwarze 1967: case MDOC__T:
1.120 schwarze 1968: /* FALLTHROUGH */
1.166 schwarze 1969: case MDOC_Qo:
1.107 schwarze 1970: /* FALLTHROUGH */
1.166 schwarze 1971: case MDOC_Qq:
1.107 schwarze 1972: term_word(p, "\"");
1973: break;
1.166 schwarze 1974: case MDOC_Ql:
1.107 schwarze 1975: /* FALLTHROUGH */
1.166 schwarze 1976: case MDOC_So:
1.107 schwarze 1977: /* FALLTHROUGH */
1.166 schwarze 1978: case MDOC_Sq:
1.151 schwarze 1979: term_word(p, "\\(cq");
1.107 schwarze 1980: break;
1981: default:
1982: abort();
1983: /* NOTREACHED */
1984: }
1.1 kristaps 1985: }
1986:
1987: static int
1988: termp_fo_pre(DECL_ARGS)
1989: {
1.159 schwarze 1990: size_t rmargin = 0;
1.158 schwarze 1991: int pretty;
1992:
1993: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1994:
1.85 schwarze 1995: if (MDOC_BLOCK == n->type) {
1.86 schwarze 1996: synopsis_pre(p, n);
1.85 schwarze 1997: return(1);
1998: } else if (MDOC_BODY == n->type) {
1.158 schwarze 1999: if (pretty) {
2000: rmargin = p->rmargin;
1.159 schwarze 2001: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 2002: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
2003: TERMP_HANG;
1.158 schwarze 2004: }
1.31 schwarze 2005: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2006: term_word(p, "(");
1.132 schwarze 2007: p->flags |= TERMP_NOSPACE;
1.158 schwarze 2008: if (pretty) {
2009: term_flushln(p);
1.165 schwarze 2010: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
2011: TERMP_HANG);
1.158 schwarze 2012: p->offset = p->rmargin;
2013: p->rmargin = rmargin;
2014: }
1.1 kristaps 2015: return(1);
1.158 schwarze 2016: }
1.85 schwarze 2017:
1.95 schwarze 2018: if (NULL == n->child)
2019: return(0);
2020:
1.85 schwarze 2021: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2022:
1.85 schwarze 2023: assert(n->child->string);
1.65 schwarze 2024: term_fontpush(p, TERMFONT_BOLD);
1.85 schwarze 2025: term_word(p, n->child->string);
1.1 kristaps 2026: return(0);
2027: }
2028:
2029: static void
2030: termp_fo_post(DECL_ARGS)
2031: {
2032:
1.166 schwarze 2033: if (MDOC_BODY != n->type)
1.86 schwarze 2034: return;
2035:
1.132 schwarze 2036: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2037: term_word(p, ")");
2038:
1.132 schwarze 2039: if (MDOC_SYNPRETTY & n->flags) {
2040: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2041: term_word(p, ";");
1.158 schwarze 2042: term_flushln(p);
1.132 schwarze 2043: }
1.1 kristaps 2044: }
2045:
2046: static int
2047: termp_bf_pre(DECL_ARGS)
2048: {
2049:
1.60 schwarze 2050: if (MDOC_HEAD == n->type)
1.1 kristaps 2051: return(0);
1.146 schwarze 2052: else if (MDOC_BODY != n->type)
1.1 kristaps 2053: return(1);
2054:
1.166 schwarze 2055: if (FONT_Em == n->norm->Bf.font)
1.65 schwarze 2056: term_fontpush(p, TERMFONT_UNDER);
1.166 schwarze 2057: else if (FONT_Sy == n->norm->Bf.font)
1.65 schwarze 2058: term_fontpush(p, TERMFONT_BOLD);
1.166 schwarze 2059: else
1.65 schwarze 2060: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2061:
2062: return(1);
2063: }
2064:
2065: static int
2066: termp_sm_pre(DECL_ARGS)
2067: {
2068:
1.171 schwarze 2069: if (NULL == n->child)
2070: p->flags ^= TERMP_NONOSPACE;
2071: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 2072: p->flags &= ~TERMP_NONOSPACE;
1.171 schwarze 2073: else
1.1 kristaps 2074: p->flags |= TERMP_NONOSPACE;
1.171 schwarze 2075:
2076: if (p->col && ! (TERMP_NONOSPACE & p->flags))
2077: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2078:
2079: return(0);
2080: }
2081:
2082: static int
2083: termp_ap_pre(DECL_ARGS)
2084: {
2085:
2086: p->flags |= TERMP_NOSPACE;
1.107 schwarze 2087: term_word(p, "'");
1.1 kristaps 2088: p->flags |= TERMP_NOSPACE;
2089: return(1);
2090: }
2091:
2092: static void
2093: termp____post(DECL_ARGS)
2094: {
1.104 schwarze 2095:
2096: /*
2097: * Handle lists of authors. In general, print each followed by
2098: * a comma. Don't print the comma if there are only two
2099: * authors.
2100: */
2101: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2102: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2103: if (NULL == n->prev || MDOC__A != n->prev->tok)
2104: return;
1.1 kristaps 2105:
1.62 schwarze 2106: /* TODO: %U. */
2107:
1.106 schwarze 2108: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2109: return;
2110:
1.132 schwarze 2111: p->flags |= TERMP_NOSPACE;
1.106 schwarze 2112: if (NULL == n->next) {
2113: term_word(p, ".");
2114: p->flags |= TERMP_SENTENCE;
2115: } else
2116: term_word(p, ",");
1.1 kristaps 2117: }
2118:
2119: static int
1.65 schwarze 2120: termp_li_pre(DECL_ARGS)
2121: {
2122:
2123: term_fontpush(p, TERMFONT_NONE);
2124: return(1);
2125: }
2126:
2127: static int
1.1 kristaps 2128: termp_lk_pre(DECL_ARGS)
2129: {
1.142 schwarze 2130: const struct mdoc_node *link, *descr;
1.1 kristaps 2131:
1.142 schwarze 2132: if (NULL == (link = n->child))
2133: return(0);
1.101 schwarze 2134:
1.142 schwarze 2135: if (NULL != (descr = link->next)) {
2136: term_fontpush(p, TERMFONT_UNDER);
2137: while (NULL != descr) {
2138: term_word(p, descr->string);
2139: descr = descr->next;
2140: }
2141: p->flags |= TERMP_NOSPACE;
2142: term_word(p, ":");
2143: term_fontpop(p);
2144: }
1.1 kristaps 2145:
1.65 schwarze 2146: term_fontpush(p, TERMFONT_BOLD);
1.142 schwarze 2147: term_word(p, link->string);
1.65 schwarze 2148: term_fontpop(p);
1.6 schwarze 2149:
1.1 kristaps 2150: return(0);
2151: }
2152:
1.90 schwarze 2153: static int
2154: termp_bk_pre(DECL_ARGS)
2155: {
2156:
1.91 schwarze 2157: switch (n->type) {
1.166 schwarze 2158: case MDOC_BLOCK:
1.95 schwarze 2159: break;
1.166 schwarze 2160: case MDOC_HEAD:
1.91 schwarze 2161: return(0);
1.166 schwarze 2162: case MDOC_BODY:
1.117 schwarze 2163: if (n->parent->args || 0 == n->prev->nchild)
2164: p->flags |= TERMP_PREKEEP;
1.95 schwarze 2165: break;
1.91 schwarze 2166: default:
2167: abort();
1.95 schwarze 2168: /* NOTREACHED */
1.91 schwarze 2169: }
1.95 schwarze 2170:
2171: return(1);
1.90 schwarze 2172: }
2173:
2174: static void
2175: termp_bk_post(DECL_ARGS)
2176: {
2177:
1.155 schwarze 2178: if (MDOC_BODY == n->type)
1.91 schwarze 2179: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 2180: }
1.120 schwarze 2181:
2182: static void
2183: termp__t_post(DECL_ARGS)
2184: {
2185:
2186: /*
2187: * If we're in an `Rs' and there's a journal present, then quote
2188: * us instead of underlining us (for disambiguation).
2189: */
1.121 schwarze 2190: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2191: n->parent->norm->Rs.quote_T)
1.147 schwarze 2192: termp_quote_post(p, pair, meta, n);
1.120 schwarze 2193:
1.147 schwarze 2194: termp____post(p, pair, meta, n);
1.120 schwarze 2195: }
2196:
2197: static int
2198: termp__t_pre(DECL_ARGS)
2199: {
2200:
2201: /*
2202: * If we're in an `Rs' and there's a journal present, then quote
2203: * us instead of underlining us (for disambiguation).
2204: */
1.121 schwarze 2205: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2206: n->parent->norm->Rs.quote_T)
1.147 schwarze 2207: return(termp_quote_pre(p, pair, meta, n));
1.120 schwarze 2208:
2209: term_fontpush(p, TERMFONT_UNDER);
2210: return(1);
1.121 schwarze 2211: }
1.1 kristaps 2212:
2213: static int
1.54 schwarze 2214: termp_under_pre(DECL_ARGS)
1.1 kristaps 2215: {
2216:
1.65 schwarze 2217: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 2218: return(1);
2219: }
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