Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.190
1.190 ! schwarze 1: /* $OpenBSD: mdoc_term.c,v 1.189 2014/11/17 06:44:35 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);
1.170 schwarze 92: static int termp_es_pre(DECL_ARGS);
1.29 schwarze 93: static int termp_ex_pre(DECL_ARGS);
94: static int termp_fa_pre(DECL_ARGS);
1.107 schwarze 95: static int termp_fd_pre(DECL_ARGS);
1.29 schwarze 96: static int termp_fl_pre(DECL_ARGS);
97: static int termp_fn_pre(DECL_ARGS);
98: static int termp_fo_pre(DECL_ARGS);
99: static int termp_ft_pre(DECL_ARGS);
100: static int termp_in_pre(DECL_ARGS);
101: static int termp_it_pre(DECL_ARGS);
1.65 schwarze 102: static int termp_li_pre(DECL_ARGS);
1.162 schwarze 103: static int termp_ll_pre(DECL_ARGS);
1.29 schwarze 104: static int termp_lk_pre(DECL_ARGS);
105: static int termp_nd_pre(DECL_ARGS);
106: static int termp_nm_pre(DECL_ARGS);
107: static int termp_ns_pre(DECL_ARGS);
1.107 schwarze 108: static int termp_quote_pre(DECL_ARGS);
1.29 schwarze 109: static int termp_rs_pre(DECL_ARGS);
110: static int termp_rv_pre(DECL_ARGS);
111: static int termp_sh_pre(DECL_ARGS);
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 */
1.1 kristaps 184: { NULL, NULL }, /* Db */
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 */
1.170 schwarze 236: { termp_es_pre, NULL }, /* Es */
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:
351: if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
352: chld = (*termacts[n->tok].pre)
1.147 schwarze 353: (p, &npair, meta, n);
1.128 schwarze 354: break;
355: }
1.95 schwarze 356:
1.60 schwarze 357: if (chld && n->child)
1.147 schwarze 358: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 359:
1.146 schwarze 360: term_fontpopq(p,
361: (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.1 kristaps 362:
1.122 schwarze 363: switch (n->type) {
1.166 schwarze 364: case MDOC_TEXT:
1.122 schwarze 365: break;
1.166 schwarze 366: case MDOC_TBL:
1.131 schwarze 367: break;
1.166 schwarze 368: case MDOC_EQN:
1.122 schwarze 369: break;
370: default:
371: if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
372: break;
1.147 schwarze 373: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.93 schwarze 374:
375: /*
376: * Explicit end tokens not only call the post
377: * handler, but also tell the respective block
378: * that it must not call the post handler again.
379: */
1.95 schwarze 380: if (ENDBODY_NOT != n->end)
1.93 schwarze 381: n->pending->flags |= MDOC_ENDED;
382:
383: /*
384: * End of line terminating an implicit block
385: * while an explicit block is still open.
386: * Continue the explicit block without spacing.
387: */
388: if (ENDBODY_NOSPACE == n->end)
389: p->flags |= TERMP_NOSPACE;
1.122 schwarze 390: break;
1.93 schwarze 391: }
1.28 schwarze 392:
1.78 schwarze 393: if (MDOC_EOS & n->flags)
394: p->flags |= TERMP_SENTENCE;
395:
1.162 schwarze 396: if (MDOC_ll != n->tok) {
397: p->offset = offset;
398: p->rmargin = rmargin;
399: }
1.1 kristaps 400: }
401:
402: static void
1.87 schwarze 403: print_mdoc_foot(struct termp *p, const void *arg)
1.1 kristaps 404: {
1.147 schwarze 405: const struct mdoc_meta *meta;
1.87 schwarze 406:
1.147 schwarze 407: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 408:
1.65 schwarze 409: term_fontrepl(p, TERMFONT_NONE);
410:
1.166 schwarze 411: /*
1.7 schwarze 412: * Output the footer in new-groff style, that is, three columns
413: * with the middle being the manual date and flanking columns
414: * being the operating system:
415: *
416: * SYSTEM DATE SYSTEM
417: */
418:
1.1 kristaps 419: term_vspace(p);
420:
1.7 schwarze 421: p->offset = 0;
1.166 schwarze 422: p->rmargin = (p->maxrmargin -
423: term_strlen(p, meta->date) + term_len(p, 1)) / 2;
1.152 schwarze 424: p->trailspace = 1;
1.1 kristaps 425: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
426:
1.147 schwarze 427: term_word(p, meta->os);
1.1 kristaps 428: term_flushln(p);
429:
1.7 schwarze 430: p->offset = p->rmargin;
1.147 schwarze 431: p->rmargin = p->maxrmargin - term_strlen(p, meta->os);
1.136 schwarze 432: p->flags |= TERMP_NOSPACE;
1.7 schwarze 433:
1.147 schwarze 434: term_word(p, meta->date);
1.7 schwarze 435: term_flushln(p);
436:
1.1 kristaps 437: p->offset = p->rmargin;
438: p->rmargin = p->maxrmargin;
1.152 schwarze 439: p->trailspace = 0;
1.1 kristaps 440: p->flags &= ~TERMP_NOBREAK;
1.136 schwarze 441: p->flags |= TERMP_NOSPACE;
1.1 kristaps 442:
1.147 schwarze 443: term_word(p, meta->os);
1.1 kristaps 444: term_flushln(p);
1.7 schwarze 445:
446: p->offset = 0;
447: p->rmargin = p->maxrmargin;
448: p->flags = 0;
1.1 kristaps 449: }
450:
451: static void
1.87 schwarze 452: print_mdoc_head(struct termp *p, const void *arg)
1.1 kristaps 453: {
1.168 schwarze 454: const struct mdoc_meta *meta;
1.169 schwarze 455: char *volume, *title;
456: size_t vollen, titlen;
1.87 schwarze 457:
1.147 schwarze 458: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 459:
460: /*
461: * The header is strange. It has three components, which are
462: * really two with the first duplicated. It goes like this:
463: *
464: * IDENTIFIER TITLE IDENTIFIER
465: *
466: * The IDENTIFIER is NAME(SECTION), which is the command-name
467: * (if given, or "unknown" if not) followed by the manual page
468: * section. These are given in `Dt'. The TITLE is a free-form
469: * string depending on the manual volume. If not specified, it
470: * switches on the manual section.
471: */
1.137 schwarze 472:
1.147 schwarze 473: assert(meta->vol);
1.169 schwarze 474: if (NULL == meta->arch)
475: volume = mandoc_strdup(meta->vol);
476: else
477: mandoc_asprintf(&volume, "%s (%s)",
478: meta->vol, meta->arch);
479: vollen = term_strlen(p, volume);
1.1 kristaps 480:
1.177 schwarze 481: if (NULL == meta->msec)
482: title = mandoc_strdup(meta->title);
483: else
484: mandoc_asprintf(&title, "%s(%s)",
485: meta->title, meta->msec);
1.137 schwarze 486: titlen = term_strlen(p, title);
1.1 kristaps 487:
1.137 schwarze 488: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.152 schwarze 489: p->trailspace = 1;
1.1 kristaps 490: p->offset = 0;
1.169 schwarze 491: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
492: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
493: p->maxrmargin - vollen;
1.1 kristaps 494:
495: term_word(p, title);
496: term_flushln(p);
497:
1.137 schwarze 498: p->flags |= TERMP_NOSPACE;
1.1 kristaps 499: p->offset = p->rmargin;
1.169 schwarze 500: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.137 schwarze 501: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 502:
1.169 schwarze 503: term_word(p, volume);
1.1 kristaps 504: term_flushln(p);
505:
506: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 507: p->trailspace = 0;
1.137 schwarze 508: if (p->rmargin + titlen <= p->maxrmargin) {
509: p->flags |= TERMP_NOSPACE;
510: p->offset = p->rmargin;
511: p->rmargin = p->maxrmargin;
512: term_word(p, title);
513: term_flushln(p);
514: }
1.1 kristaps 515:
1.137 schwarze 516: p->flags &= ~TERMP_NOSPACE;
1.8 schwarze 517: p->offset = 0;
1.1 kristaps 518: p->rmargin = p->maxrmargin;
1.168 schwarze 519: free(title);
1.169 schwarze 520: free(volume);
1.1 kristaps 521: }
522:
523: static size_t
1.89 schwarze 524: a2height(const struct termp *p, const char *v)
1.1 kristaps 525: {
1.61 schwarze 526: struct roffsu su;
1.1 kristaps 527:
1.134 schwarze 528:
1.89 schwarze 529: assert(v);
530: if ( ! a2roffsu(v, &su, SCALE_VS))
1.134 schwarze 531: SCALE_VS_INIT(&su, atoi(v));
1.1 kristaps 532:
1.89 schwarze 533: return(term_vspan(p, &su));
1.61 schwarze 534: }
1.34 schwarze 535:
1.61 schwarze 536: static size_t
1.89 schwarze 537: a2width(const struct termp *p, const char *v)
1.61 schwarze 538: {
539: struct roffsu su;
1.1 kristaps 540:
1.88 schwarze 541: assert(v);
1.182 schwarze 542: if ( ! a2roffsu(v, &su, SCALE_MAX)) {
1.89 schwarze 543: SCALE_HS_INIT(&su, term_strlen(p, v));
1.182 schwarze 544: su.scale /= term_strlen(p, "0");
545: }
1.1 kristaps 546:
1.89 schwarze 547: return(term_hspan(p, &su));
1.1 kristaps 548: }
549:
1.68 schwarze 550: /*
551: * Determine how much space to print out before block elements of `It'
552: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
553: * too.
554: */
1.45 schwarze 555: static void
1.166 schwarze 556: print_bvspace(struct termp *p,
557: const struct mdoc_node *bl,
558: const struct mdoc_node *n)
1.1 kristaps 559: {
1.60 schwarze 560: const struct mdoc_node *nn;
1.138 schwarze 561:
562: assert(n);
1.1 kristaps 563:
564: term_newln(p);
1.88 schwarze 565:
1.121 schwarze 566: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.88 schwarze 567: return;
1.121 schwarze 568: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.45 schwarze 569: return;
570:
1.60 schwarze 571: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 572:
1.188 schwarze 573: nn = n;
574: while (nn->prev == NULL) {
575: do {
576: nn = nn->parent;
577: if (nn->type == MDOC_ROOT)
578: return;
579: } while (nn->type != MDOC_BLOCK);
580: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.45 schwarze 581: return;
1.188 schwarze 582: if (nn->tok == MDOC_It &&
583: nn->parent->parent->norm->Bl.type != LIST_item)
584: break;
1.1 kristaps 585: }
586:
1.60 schwarze 587: /* A `-column' does not assert vspace within the list. */
1.45 schwarze 588:
1.121 schwarze 589: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.60 schwarze 590: if (n->prev && MDOC_It == n->prev->tok)
1.45 schwarze 591: return;
592:
1.60 schwarze 593: /* A `-diag' without body does not vspace. */
594:
1.121 schwarze 595: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.60 schwarze 596: if (n->prev && MDOC_It == n->prev->tok) {
597: assert(n->prev->body);
598: if (NULL == n->prev->body->child)
1.45 schwarze 599: return;
600: }
601:
602: term_vspace(p);
1.162 schwarze 603: }
604:
605:
606: static int
607: termp_ll_pre(DECL_ARGS)
608: {
609:
1.163 schwarze 610: term_setwidth(p, n->nchild ? n->child->string : NULL);
1.162 schwarze 611: return(0);
1.1 kristaps 612: }
613:
614: static int
615: termp_it_pre(DECL_ARGS)
616: {
1.60 schwarze 617: const struct mdoc_node *bl, *nn;
1.167 schwarze 618: char buf[24];
1.166 schwarze 619: int i;
620: size_t width, offset, ncols, dcol;
1.82 schwarze 621: enum mdoc_list type;
1.1 kristaps 622:
1.60 schwarze 623: if (MDOC_BLOCK == n->type) {
1.61 schwarze 624: print_bvspace(p, n->parent->parent, n);
1.45 schwarze 625: return(1);
626: }
1.1 kristaps 627:
1.60 schwarze 628: bl = n->parent->parent->parent;
1.121 schwarze 629: type = bl->norm->Bl.type;
1.1 kristaps 630:
1.166 schwarze 631: /*
1.68 schwarze 632: * First calculate width and offset. This is pretty easy unless
633: * we're a -column list, in which case all prior columns must
634: * be accounted for.
635: */
636:
637: width = offset = 0;
638:
1.121 schwarze 639: if (bl->norm->Bl.offs)
1.187 schwarze 640: offset = a2width(p, bl->norm->Bl.offs);
1.66 schwarze 641:
1.1 kristaps 642: switch (type) {
1.166 schwarze 643: case LIST_column:
1.85 schwarze 644: if (MDOC_HEAD == n->type)
1.1 kristaps 645: break;
1.88 schwarze 646:
1.66 schwarze 647: /*
1.68 schwarze 648: * Imitate groff's column handling:
649: * - For each earlier column, add its width.
650: * - For less than 5 columns, add four more blanks per
651: * column.
652: * - For exactly 5 columns, add three more blank per
653: * column.
654: * - For more than 5 columns, add only one column.
1.66 schwarze 655: */
1.121 schwarze 656: ncols = bl->norm->Bl.ncols;
1.166 schwarze 657: dcol = ncols < 5 ? term_len(p, 4) :
658: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68 schwarze 659:
1.85 schwarze 660: /*
661: * Calculate the offset by applying all prior MDOC_BODY,
662: * so we stop at the MDOC_HEAD (NULL == nn->prev).
663: */
664:
1.166 schwarze 665: for (i = 0, nn = n->prev;
666: nn->prev && i < (int)ncols;
667: nn = nn->prev, i++)
668: offset += dcol + a2width(p,
669: bl->norm->Bl.cols[i]);
1.66 schwarze 670:
671: /*
1.68 schwarze 672: * When exceeding the declared number of columns, leave
673: * the remaining widths at 0. This will later be
674: * adjusted to the default width of 10, or, for the last
675: * column, stretched to the right margin.
1.46 schwarze 676: */
1.68 schwarze 677: if (i >= (int)ncols)
678: break;
1.46 schwarze 679:
1.66 schwarze 680: /*
1.68 schwarze 681: * Use the declared column widths, extended as explained
682: * in the preceding paragraph.
1.66 schwarze 683: */
1.121 schwarze 684: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 685: break;
686: default:
1.121 schwarze 687: if (NULL == bl->norm->Bl.width)
1.68 schwarze 688: break;
689:
1.166 schwarze 690: /*
1.68 schwarze 691: * Note: buffer the width by 2, which is groff's magic
692: * number for buffering single arguments. See the above
693: * handling for column for how this changes.
694: */
1.121 schwarze 695: assert(bl->norm->Bl.width);
696: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1 kristaps 697: break;
698: }
699:
1.166 schwarze 700: /*
1.1 kristaps 701: * List-type can override the width in the case of fixed-head
702: * values (bullet, dash/hyphen, enum). Tags need a non-zero
1.53 schwarze 703: * offset.
1.1 kristaps 704: */
705:
706: switch (type) {
1.166 schwarze 707: case LIST_bullet:
1.1 kristaps 708: /* FALLTHROUGH */
1.166 schwarze 709: case LIST_dash:
1.1 kristaps 710: /* FALLTHROUGH */
1.166 schwarze 711: case LIST_hyphen:
1.144 schwarze 712: /* FALLTHROUGH */
1.166 schwarze 713: case LIST_enum:
1.144 schwarze 714: if (width < term_len(p, 2))
715: width = term_len(p, 2);
1.1 kristaps 716: break;
1.166 schwarze 717: case LIST_hang:
1.33 schwarze 718: if (0 == width)
1.89 schwarze 719: width = term_len(p, 8);
1.33 schwarze 720: break;
1.166 schwarze 721: case LIST_column:
1.41 schwarze 722: /* FALLTHROUGH */
1.166 schwarze 723: case LIST_tag:
1.1 kristaps 724: if (0 == width)
1.89 schwarze 725: width = term_len(p, 10);
1.1 kristaps 726: break;
727: default:
728: break;
729: }
730:
1.166 schwarze 731: /*
1.16 schwarze 732: * Whitespace control. Inset bodies need an initial space,
733: * while diagonal bodies need two.
1.1 kristaps 734: */
735:
1.42 schwarze 736: p->flags |= TERMP_NOSPACE;
737:
1.1 kristaps 738: switch (type) {
1.166 schwarze 739: case LIST_diag:
1.60 schwarze 740: if (MDOC_BODY == n->type)
1.48 schwarze 741: term_word(p, "\\ \\ ");
1.42 schwarze 742: break;
1.166 schwarze 743: case LIST_inset:
1.172 schwarze 744: if (MDOC_BODY == n->type && n->parent->head->nchild)
1.42 schwarze 745: term_word(p, "\\ ");
1.1 kristaps 746: break;
747: default:
748: break;
749: }
750:
1.42 schwarze 751: p->flags |= TERMP_NOSPACE;
752:
1.1 kristaps 753: switch (type) {
1.166 schwarze 754: case LIST_diag:
1.60 schwarze 755: if (MDOC_HEAD == n->type)
1.65 schwarze 756: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 757: break;
758: default:
759: break;
760: }
761:
762: /*
1.68 schwarze 763: * Pad and break control. This is the tricky part. These flags
764: * are documented in term_flushln() in term.c. Note that we're
765: * going to unset all of these flags in termp_it_post() when we
766: * exit.
1.1 kristaps 767: */
768:
769: switch (type) {
1.166 schwarze 770: case LIST_enum:
1.144 schwarze 771: /*
772: * Weird special case.
773: * Very narrow enum lists actually hang.
774: */
775: if (width == term_len(p, 2))
776: p->flags |= TERMP_HANG;
777: /* FALLTHROUGH */
1.166 schwarze 778: case LIST_bullet:
1.1 kristaps 779: /* FALLTHROUGH */
1.166 schwarze 780: case LIST_dash:
1.1 kristaps 781: /* FALLTHROUGH */
1.166 schwarze 782: case LIST_hyphen:
1.152 schwarze 783: if (MDOC_HEAD != n->type)
784: break;
785: p->flags |= TERMP_NOBREAK;
786: p->trailspace = 1;
1.33 schwarze 787: break;
1.166 schwarze 788: case LIST_hang:
1.152 schwarze 789: if (MDOC_HEAD != n->type)
1.47 schwarze 790: break;
791:
792: /*
793: * This is ugly. If `-hang' is specified and the body
794: * is a `Bl' or `Bd', then we want basically to nullify
795: * the "overstep" effect in term_flushln() and treat
796: * this as a `-ohang' list instead.
797: */
1.178 schwarze 798: if (NULL != n->next &&
799: NULL != n->next->child &&
1.166 schwarze 800: (MDOC_Bl == n->next->child->tok ||
801: MDOC_Bd == n->next->child->tok))
1.152 schwarze 802: break;
803:
1.165 schwarze 804: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.152 schwarze 805: p->trailspace = 1;
1.33 schwarze 806: break;
1.166 schwarze 807: case LIST_tag:
1.60 schwarze 808: if (MDOC_HEAD != n->type)
1.33 schwarze 809: break;
1.152 schwarze 810:
1.165 schwarze 811: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 812: p->trailspace = 2;
813:
1.60 schwarze 814: if (NULL == n->next || NULL == n->next->child)
1.33 schwarze 815: p->flags |= TERMP_DANGLE;
1.1 kristaps 816: break;
1.166 schwarze 817: case LIST_column:
1.85 schwarze 818: if (MDOC_HEAD == n->type)
819: break;
820:
1.152 schwarze 821: if (NULL == n->next) {
1.85 schwarze 822: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 823: p->trailspace = 0;
824: } else {
1.85 schwarze 825: p->flags |= TERMP_NOBREAK;
1.152 schwarze 826: p->trailspace = 1;
827: }
1.85 schwarze 828:
1.1 kristaps 829: break;
1.166 schwarze 830: case LIST_diag:
1.152 schwarze 831: if (MDOC_HEAD != n->type)
832: break;
1.165 schwarze 833: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 834: p->trailspace = 1;
1.1 kristaps 835: break;
836: default:
837: break;
838: }
839:
1.166 schwarze 840: /*
1.1 kristaps 841: * Margin control. Set-head-width lists have their right
842: * margins shortened. The body for these lists has the offset
843: * necessarily lengthened. Everybody gets the offset.
844: */
845:
846: p->offset += offset;
847:
848: switch (type) {
1.166 schwarze 849: case LIST_hang:
1.47 schwarze 850: /*
851: * Same stipulation as above, regarding `-hang'. We
852: * don't want to recalculate rmargin and offsets when
853: * using `Bd' or `Bl' within `-hang' overstep lists.
854: */
1.178 schwarze 855: if (MDOC_HEAD == n->type &&
856: NULL != n->next &&
857: NULL != n->next->child &&
1.166 schwarze 858: (MDOC_Bl == n->next->child->tok ||
859: MDOC_Bd == n->next->child->tok))
1.47 schwarze 860: break;
861: /* FALLTHROUGH */
1.166 schwarze 862: case LIST_bullet:
1.1 kristaps 863: /* FALLTHROUGH */
1.166 schwarze 864: case LIST_dash:
1.1 kristaps 865: /* FALLTHROUGH */
1.166 schwarze 866: case LIST_enum:
1.1 kristaps 867: /* FALLTHROUGH */
1.166 schwarze 868: case LIST_hyphen:
1.33 schwarze 869: /* FALLTHROUGH */
1.166 schwarze 870: case LIST_tag:
1.41 schwarze 871: assert(width);
1.60 schwarze 872: if (MDOC_HEAD == n->type)
1.1 kristaps 873: p->rmargin = p->offset + width;
1.161 schwarze 874: else {
1.1 kristaps 875: p->offset += width;
1.161 schwarze 876: if (p->rmargin < p->offset)
877: p->rmargin = p->offset;
878: }
1.1 kristaps 879: break;
1.166 schwarze 880: case LIST_column:
1.41 schwarze 881: assert(width);
1.1 kristaps 882: p->rmargin = p->offset + width;
1.166 schwarze 883: /*
1.43 schwarze 884: * XXX - this behaviour is not documented: the
885: * right-most column is filled to the right margin.
886: */
1.85 schwarze 887: if (MDOC_HEAD == n->type)
888: break;
889: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43 schwarze 890: p->rmargin = p->maxrmargin;
1.1 kristaps 891: break;
892: default:
893: break;
894: }
895:
1.166 schwarze 896: /*
1.1 kristaps 897: * The dash, hyphen, bullet and enum lists all have a special
1.166 schwarze 898: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 899: */
900:
1.60 schwarze 901: if (MDOC_HEAD == n->type)
1.1 kristaps 902: switch (type) {
1.166 schwarze 903: case LIST_bullet:
1.65 schwarze 904: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 905: term_word(p, "\\[bu]");
1.65 schwarze 906: term_fontpop(p);
1.1 kristaps 907: break;
1.166 schwarze 908: case LIST_dash:
1.1 kristaps 909: /* FALLTHROUGH */
1.166 schwarze 910: case LIST_hyphen:
1.65 schwarze 911: term_fontpush(p, TERMFONT_BOLD);
1.35 schwarze 912: term_word(p, "\\(hy");
1.65 schwarze 913: term_fontpop(p);
1.1 kristaps 914: break;
1.166 schwarze 915: case LIST_enum:
1.1 kristaps 916: (pair->ppair->ppair->count)++;
1.167 schwarze 917: (void)snprintf(buf, sizeof(buf), "%d.",
1.166 schwarze 918: pair->ppair->ppair->count);
1.1 kristaps 919: term_word(p, buf);
920: break;
921: default:
922: break;
923: }
1.12 schwarze 924:
1.166 schwarze 925: /*
1.1 kristaps 926: * If we're not going to process our children, indicate so here.
927: */
928:
929: switch (type) {
1.166 schwarze 930: case LIST_bullet:
1.1 kristaps 931: /* FALLTHROUGH */
1.166 schwarze 932: case LIST_item:
1.1 kristaps 933: /* FALLTHROUGH */
1.166 schwarze 934: case LIST_dash:
1.1 kristaps 935: /* FALLTHROUGH */
1.166 schwarze 936: case LIST_hyphen:
1.1 kristaps 937: /* FALLTHROUGH */
1.166 schwarze 938: case LIST_enum:
1.60 schwarze 939: if (MDOC_HEAD == n->type)
1.1 kristaps 940: return(0);
941: break;
1.166 schwarze 942: case LIST_column:
1.85 schwarze 943: if (MDOC_HEAD == n->type)
1.1 kristaps 944: return(0);
945: break;
946: default:
947: break;
948: }
949:
950: return(1);
951: }
952:
953: static void
954: termp_it_post(DECL_ARGS)
955: {
1.82 schwarze 956: enum mdoc_list type;
1.1 kristaps 957:
1.68 schwarze 958: if (MDOC_BLOCK == n->type)
1.1 kristaps 959: return;
960:
1.121 schwarze 961: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 962:
963: switch (type) {
1.166 schwarze 964: case LIST_item:
1.44 schwarze 965: /* FALLTHROUGH */
1.166 schwarze 966: case LIST_diag:
1.1 kristaps 967: /* FALLTHROUGH */
1.166 schwarze 968: case LIST_inset:
1.60 schwarze 969: if (MDOC_BODY == n->type)
1.74 schwarze 970: term_newln(p);
1.1 kristaps 971: break;
1.166 schwarze 972: case LIST_column:
1.85 schwarze 973: if (MDOC_BODY == n->type)
1.1 kristaps 974: term_flushln(p);
975: break;
976: default:
1.74 schwarze 977: term_newln(p);
1.1 kristaps 978: break;
979: }
980:
1.166 schwarze 981: /*
1.68 schwarze 982: * Now that our output is flushed, we can reset our tags. Since
983: * only `It' sets these flags, we're free to assume that nobody
984: * has munged them in the meanwhile.
985: */
986:
1.165 schwarze 987: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
988: TERMP_DANGLE | TERMP_HANG);
1.152 schwarze 989: p->trailspace = 0;
1.1 kristaps 990: }
991:
992: static int
993: termp_nm_pre(DECL_ARGS)
994: {
995:
1.155 schwarze 996: if (MDOC_BLOCK == n->type) {
997: p->flags |= TERMP_PREKEEP;
1.94 schwarze 998: return(1);
1.155 schwarze 999: }
1.94 schwarze 1000:
1001: if (MDOC_BODY == n->type) {
1002: if (NULL == n->child)
1003: return(0);
1.136 schwarze 1004: p->flags |= TERMP_NOSPACE;
1.94 schwarze 1005: p->offset += term_len(p, 1) +
1.147 schwarze 1006: (NULL == n->prev->child ?
1007: term_strlen(p, meta->name) :
1.94 schwarze 1008: MDOC_TEXT == n->prev->child->type ?
1.147 schwarze 1009: term_strlen(p, n->prev->child->string) :
1.94 schwarze 1010: term_len(p, 5));
1.164 schwarze 1011: if (p->rmargin < p->offset)
1012: p->rmargin = p->offset;
1.94 schwarze 1013: return(1);
1014: }
1015:
1.147 schwarze 1016: if (NULL == n->child && NULL == meta->name)
1.94 schwarze 1017: return(0);
1.81 schwarze 1018:
1.97 schwarze 1019: if (MDOC_HEAD == n->type)
1020: synopsis_pre(p, n->parent);
1.65 schwarze 1021:
1.178 schwarze 1022: if (MDOC_HEAD == n->type &&
1023: NULL != n->next && NULL != n->next->child) {
1.165 schwarze 1024: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 1025: p->trailspace = 1;
1.105 schwarze 1026: p->rmargin = p->offset + term_len(p, 1);
1027: if (NULL == n->child) {
1.147 schwarze 1028: p->rmargin += term_strlen(p, meta->name);
1.105 schwarze 1029: } else if (MDOC_TEXT == n->child->type) {
1030: p->rmargin += term_strlen(p, n->child->string);
1031: if (n->child->next)
1032: p->flags |= TERMP_HANG;
1033: } else {
1034: p->rmargin += term_len(p, 5);
1035: p->flags |= TERMP_HANG;
1036: }
1.94 schwarze 1037: }
1038:
1.65 schwarze 1039: term_fontpush(p, TERMFONT_BOLD);
1.60 schwarze 1040: if (NULL == n->child)
1.147 schwarze 1041: term_word(p, meta->name);
1.1 kristaps 1042: return(1);
1043: }
1044:
1.94 schwarze 1045: static void
1046: termp_nm_post(DECL_ARGS)
1047: {
1048:
1.155 schwarze 1049: if (MDOC_BLOCK == n->type) {
1050: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.178 schwarze 1051: } else if (MDOC_HEAD == n->type &&
1052: NULL != n->next && NULL != n->next->child) {
1.94 schwarze 1053: term_flushln(p);
1.165 schwarze 1054: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.152 schwarze 1055: p->trailspace = 0;
1.136 schwarze 1056: } else if (MDOC_BODY == n->type && n->child)
1.94 schwarze 1057: term_flushln(p);
1058: }
1059:
1.1 kristaps 1060: static int
1061: termp_fl_pre(DECL_ARGS)
1062: {
1063:
1.65 schwarze 1064: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1065: term_word(p, "\\-");
1.67 schwarze 1066:
1.179 schwarze 1067: if ( ! (n->nchild == 0 &&
1068: (n->next == NULL ||
1069: n->next->type == MDOC_TEXT ||
1070: n->next->flags & MDOC_LINE)))
1.73 schwarze 1071: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1072:
1.1 kristaps 1073: return(1);
1.49 schwarze 1074: }
1075:
1076: static int
1.104 schwarze 1077: termp__a_pre(DECL_ARGS)
1078: {
1079:
1080: if (n->prev && MDOC__A == n->prev->tok)
1081: if (NULL == n->next || MDOC__A != n->next->tok)
1082: term_word(p, "and");
1083:
1084: return(1);
1085: }
1086:
1087: static int
1.49 schwarze 1088: termp_an_pre(DECL_ARGS)
1089: {
1090:
1.181 schwarze 1091: if (n->norm->An.auth == AUTH_split) {
1092: p->flags &= ~TERMP_NOSPLIT;
1093: p->flags |= TERMP_SPLIT;
1094: return(0);
1095: }
1096: if (n->norm->An.auth == AUTH_nosplit) {
1097: p->flags &= ~TERMP_SPLIT;
1098: p->flags |= TERMP_NOSPLIT;
1099: return(0);
1100: }
1.49 schwarze 1101:
1.181 schwarze 1102: if (n->child == NULL)
1103: return(0);
1.166 schwarze 1104:
1.181 schwarze 1105: if (p->flags & TERMP_SPLIT)
1.49 schwarze 1106: term_newln(p);
1107:
1.181 schwarze 1108: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1109: p->flags |= TERMP_SPLIT;
1.49 schwarze 1110:
1111: return(1);
1.1 kristaps 1112: }
1113:
1114: static int
1115: termp_ns_pre(DECL_ARGS)
1116: {
1117:
1.127 schwarze 1118: if ( ! (MDOC_LINE & n->flags))
1119: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1120: return(1);
1121: }
1122:
1123: static int
1124: termp_rs_pre(DECL_ARGS)
1125: {
1126:
1.60 schwarze 1127: if (SEC_SEE_ALSO != n->sec)
1.57 schwarze 1128: return(1);
1.60 schwarze 1129: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1130: term_vspace(p);
1131: return(1);
1132: }
1133:
1134: static int
1135: termp_rv_pre(DECL_ARGS)
1136: {
1.132 schwarze 1137: int nchild;
1.1 kristaps 1138:
1139: term_newln(p);
1140:
1.132 schwarze 1141: nchild = n->nchild;
1.175 schwarze 1142: if (nchild > 0) {
1143: term_word(p, "The");
1.132 schwarze 1144:
1.175 schwarze 1145: for (n = n->child; n; n = n->next) {
1146: term_fontpush(p, TERMFONT_BOLD);
1147: term_word(p, n->string);
1148: term_fontpop(p);
1.132 schwarze 1149:
1150: p->flags |= TERMP_NOSPACE;
1.175 schwarze 1151: term_word(p, "()");
1152:
1153: if (n->next == NULL)
1154: continue;
1155:
1156: if (nchild > 2) {
1157: p->flags |= TERMP_NOSPACE;
1158: term_word(p, ",");
1159: }
1160: if (n->next->next == NULL)
1161: term_word(p, "and");
1.132 schwarze 1162: }
1163:
1.175 schwarze 1164: if (nchild > 1)
1165: term_word(p, "functions return");
1166: else
1167: term_word(p, "function returns");
1168:
1169: term_word(p, "the value\\~0 if successful;");
1170: } else
1171: term_word(p, "Upon successful completion,"
1172: " the value\\~0 is returned;");
1.1 kristaps 1173:
1.175 schwarze 1174: term_word(p, "otherwise the value\\~\\-1 is returned"
1175: " and the global variable");
1.1 kristaps 1176:
1.65 schwarze 1177: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1178: term_word(p, "errno");
1.65 schwarze 1179: term_fontpop(p);
1.1 kristaps 1180:
1.166 schwarze 1181: term_word(p, "is set to indicate the error.");
1.84 schwarze 1182: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1183:
1.53 schwarze 1184: return(0);
1.1 kristaps 1185: }
1186:
1187: static int
1188: termp_ex_pre(DECL_ARGS)
1189: {
1.132 schwarze 1190: int nchild;
1.1 kristaps 1191:
1.132 schwarze 1192: term_newln(p);
1.53 schwarze 1193: term_word(p, "The");
1.1 kristaps 1194:
1.132 schwarze 1195: nchild = n->nchild;
1196: for (n = n->child; n; n = n->next) {
1.65 schwarze 1197: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1198: term_word(p, n->string);
1.65 schwarze 1199: term_fontpop(p);
1.132 schwarze 1200:
1201: if (nchild > 2 && n->next) {
1202: p->flags |= TERMP_NOSPACE;
1.53 schwarze 1203: term_word(p, ",");
1.132 schwarze 1204: }
1205:
1206: if (n->next && NULL == n->next->next)
1207: term_word(p, "and");
1.53 schwarze 1208: }
1209:
1.132 schwarze 1210: if (nchild > 1)
1.175 schwarze 1211: term_word(p, "utilities exit\\~0");
1.53 schwarze 1212: else
1.175 schwarze 1213: term_word(p, "utility exits\\~0");
1.53 schwarze 1214:
1.175 schwarze 1215: term_word(p, "on success, and\\~>0 if an error occurs.");
1.132 schwarze 1216:
1.84 schwarze 1217: p->flags |= TERMP_SENTENCE;
1.53 schwarze 1218: return(0);
1.1 kristaps 1219: }
1220:
1221: static int
1222: termp_nd_pre(DECL_ARGS)
1223: {
1.25 schwarze 1224:
1.60 schwarze 1225: if (MDOC_BODY != n->type)
1.25 schwarze 1226: return(1);
1227:
1228: #if defined(__OpenBSD__) || defined(__linux__)
1229: term_word(p, "\\(en");
1.24 schwarze 1230: #else
1231: term_word(p, "\\(em");
1232: #endif
1.1 kristaps 1233: return(1);
1234: }
1235:
1.73 schwarze 1236: static int
1237: termp_bl_pre(DECL_ARGS)
1238: {
1239:
1240: return(MDOC_HEAD != n->type);
1241: }
1242:
1.1 kristaps 1243: static void
1244: termp_bl_post(DECL_ARGS)
1245: {
1246:
1.60 schwarze 1247: if (MDOC_BLOCK == n->type)
1.1 kristaps 1248: term_newln(p);
1249: }
1250:
1251: static int
1252: termp_xr_pre(DECL_ARGS)
1253: {
1254:
1.132 schwarze 1255: if (NULL == (n = n->child))
1.72 schwarze 1256: return(0);
1257:
1.132 schwarze 1258: assert(MDOC_TEXT == n->type);
1259: term_word(p, n->string);
1.10 schwarze 1260:
1.166 schwarze 1261: if (NULL == (n = n->next))
1.1 kristaps 1262: return(0);
1.132 schwarze 1263:
1.1 kristaps 1264: p->flags |= TERMP_NOSPACE;
1265: term_word(p, "(");
1.132 schwarze 1266: p->flags |= TERMP_NOSPACE;
1267:
1268: assert(MDOC_TEXT == n->type);
1269: term_word(p, n->string);
1270:
1271: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1272: term_word(p, ")");
1.60 schwarze 1273:
1.1 kristaps 1274: return(0);
1275: }
1276:
1.86 schwarze 1277: /*
1278: * This decides how to assert whitespace before any of the SYNOPSIS set
1279: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1280: * macro combos).
1281: */
1282: static void
1283: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1284: {
1.166 schwarze 1285: /*
1.86 schwarze 1286: * Obviously, if we're not in a SYNOPSIS or no prior macros
1287: * exist, do nothing.
1288: */
1.92 schwarze 1289: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.86 schwarze 1290: return;
1291:
1292: /*
1293: * If we're the second in a pair of like elements, emit our
1294: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1295: * case we soldier on.
1296: */
1.166 schwarze 1297: if (n->prev->tok == n->tok &&
1298: MDOC_Ft != n->tok &&
1299: MDOC_Fo != n->tok &&
1300: MDOC_Fn != n->tok) {
1.86 schwarze 1301: term_newln(p);
1302: return;
1303: }
1304:
1305: /*
1306: * If we're one of the SYNOPSIS set and non-like pair-wise after
1307: * another (or Fn/Fo, which we've let slip through) then assert
1308: * vertical space, else only newline and move on.
1309: */
1310: switch (n->prev->tok) {
1.166 schwarze 1311: case MDOC_Fd:
1.86 schwarze 1312: /* FALLTHROUGH */
1.166 schwarze 1313: case MDOC_Fn:
1.86 schwarze 1314: /* FALLTHROUGH */
1.166 schwarze 1315: case MDOC_Fo:
1.86 schwarze 1316: /* FALLTHROUGH */
1.166 schwarze 1317: case MDOC_In:
1.86 schwarze 1318: /* FALLTHROUGH */
1.166 schwarze 1319: case MDOC_Vt:
1.86 schwarze 1320: term_vspace(p);
1321: break;
1.166 schwarze 1322: case MDOC_Ft:
1.86 schwarze 1323: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1324: term_vspace(p);
1325: break;
1326: }
1327: /* FALLTHROUGH */
1328: default:
1329: term_newln(p);
1330: break;
1331: }
1332: }
1333:
1.69 schwarze 1334: static int
1335: termp_vt_pre(DECL_ARGS)
1336: {
1337:
1.86 schwarze 1338: if (MDOC_ELEM == n->type) {
1339: synopsis_pre(p, n);
1.147 schwarze 1340: return(termp_under_pre(p, pair, meta, n));
1.86 schwarze 1341: } else if (MDOC_BLOCK == n->type) {
1342: synopsis_pre(p, n);
1343: return(1);
1344: } else if (MDOC_HEAD == n->type)
1.69 schwarze 1345: return(0);
1346:
1.147 schwarze 1347: return(termp_under_pre(p, pair, meta, n));
1.69 schwarze 1348: }
1349:
1.1 kristaps 1350: static int
1.54 schwarze 1351: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1352: {
1353:
1.65 schwarze 1354: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1355: return(1);
1356: }
1357:
1.86 schwarze 1358: static int
1359: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1360: {
1361:
1.86 schwarze 1362: synopsis_pre(p, n);
1.147 schwarze 1363: return(termp_bold_pre(p, pair, meta, n));
1.1 kristaps 1364: }
1365:
1.143 schwarze 1366: static void
1367: termp_fd_post(DECL_ARGS)
1368: {
1369:
1370: term_newln(p);
1371: }
1372:
1.1 kristaps 1373: static int
1374: termp_sh_pre(DECL_ARGS)
1375: {
1.60 schwarze 1376:
1377: /* No vspace between consecutive `Sh' calls. */
1378:
1379: switch (n->type) {
1.166 schwarze 1380: case MDOC_BLOCK:
1.60 schwarze 1381: if (n->prev && MDOC_Sh == n->prev->tok)
1382: if (NULL == n->prev->body->child)
1.52 schwarze 1383: break;
1384: term_vspace(p);
1385: break;
1.166 schwarze 1386: case MDOC_HEAD:
1.65 schwarze 1387: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1388: break;
1.166 schwarze 1389: case MDOC_BODY:
1.140 schwarze 1390: p->offset = term_len(p, p->defindent);
1.141 schwarze 1391: if (SEC_AUTHORS == n->sec)
1392: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1393: break;
1394: default:
1395: break;
1396: }
1397: return(1);
1398: }
1399:
1400: static void
1401: termp_sh_post(DECL_ARGS)
1402: {
1403:
1.60 schwarze 1404: switch (n->type) {
1.166 schwarze 1405: case MDOC_HEAD:
1.1 kristaps 1406: term_newln(p);
1407: break;
1.166 schwarze 1408: case MDOC_BODY:
1.1 kristaps 1409: term_newln(p);
1410: p->offset = 0;
1411: break;
1412: default:
1413: break;
1414: }
1415: }
1416:
1417: static int
1418: termp_bt_pre(DECL_ARGS)
1419: {
1420:
1421: term_word(p, "is currently in beta test.");
1.84 schwarze 1422: p->flags |= TERMP_SENTENCE;
1.59 schwarze 1423: return(0);
1.1 kristaps 1424: }
1425:
1426: static void
1427: termp_lb_post(DECL_ARGS)
1428: {
1429:
1.77 schwarze 1430: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.57 schwarze 1431: term_newln(p);
1.1 kristaps 1432: }
1433:
1434: static int
1435: termp_ud_pre(DECL_ARGS)
1436: {
1437:
1438: term_word(p, "currently under development.");
1.84 schwarze 1439: p->flags |= TERMP_SENTENCE;
1.60 schwarze 1440: return(0);
1.1 kristaps 1441: }
1442:
1443: static int
1444: termp_d1_pre(DECL_ARGS)
1445: {
1446:
1.60 schwarze 1447: if (MDOC_BLOCK != n->type)
1.1 kristaps 1448: return(1);
1449: term_newln(p);
1.140 schwarze 1450: p->offset += term_len(p, p->defindent + 1);
1.1 kristaps 1451: return(1);
1452: }
1453:
1454: static int
1455: termp_ft_pre(DECL_ARGS)
1456: {
1457:
1.85 schwarze 1458: /* NB: MDOC_LINE does not effect this! */
1.86 schwarze 1459: synopsis_pre(p, n);
1.65 schwarze 1460: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1461: return(1);
1462: }
1463:
1464: static int
1465: termp_fn_pre(DECL_ARGS)
1466: {
1.159 schwarze 1467: size_t rmargin = 0;
1.132 schwarze 1468: int pretty;
1469:
1470: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1471:
1.86 schwarze 1472: synopsis_pre(p, n);
1.85 schwarze 1473:
1.132 schwarze 1474: if (NULL == (n = n->child))
1475: return(0);
1476:
1.153 schwarze 1477: if (pretty) {
1478: rmargin = p->rmargin;
1.159 schwarze 1479: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1480: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.153 schwarze 1481: }
1482:
1.132 schwarze 1483: assert(MDOC_TEXT == n->type);
1.65 schwarze 1484: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1485: term_word(p, n->string);
1.65 schwarze 1486: term_fontpop(p);
1.1 kristaps 1487:
1.153 schwarze 1488: if (pretty) {
1489: term_flushln(p);
1.165 schwarze 1490: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.153 schwarze 1491: p->offset = p->rmargin;
1492: p->rmargin = rmargin;
1493: }
1494:
1.1 kristaps 1495: p->flags |= TERMP_NOSPACE;
1496: term_word(p, "(");
1.132 schwarze 1497: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1498:
1.132 schwarze 1499: for (n = n->next; n; n = n->next) {
1500: assert(MDOC_TEXT == n->type);
1.65 schwarze 1501: term_fontpush(p, TERMFONT_UNDER);
1.157 schwarze 1502: if (pretty)
1503: p->flags |= TERMP_NBRWORD;
1.132 schwarze 1504: term_word(p, n->string);
1.65 schwarze 1505: term_fontpop(p);
1506:
1.132 schwarze 1507: if (n->next) {
1508: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1509: term_word(p, ",");
1.132 schwarze 1510: }
1.1 kristaps 1511: }
1512:
1.132 schwarze 1513: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1514: term_word(p, ")");
1515:
1.132 schwarze 1516: if (pretty) {
1517: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1518: term_word(p, ";");
1.153 schwarze 1519: term_flushln(p);
1.132 schwarze 1520: }
1.1 kristaps 1521:
1522: return(0);
1523: }
1524:
1525: static int
1526: termp_fa_pre(DECL_ARGS)
1527: {
1.60 schwarze 1528: const struct mdoc_node *nn;
1.1 kristaps 1529:
1.60 schwarze 1530: if (n->parent->tok != MDOC_Fo) {
1.65 schwarze 1531: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1532: return(1);
1533: }
1534:
1.60 schwarze 1535: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1536: term_fontpush(p, TERMFONT_UNDER);
1.160 schwarze 1537: p->flags |= TERMP_NBRWORD;
1.60 schwarze 1538: term_word(p, nn->string);
1.65 schwarze 1539: term_fontpop(p);
1540:
1.158 schwarze 1541: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.132 schwarze 1542: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1543: term_word(p, ",");
1.132 schwarze 1544: }
1.1 kristaps 1545: }
1546:
1547: return(0);
1548: }
1549:
1550: static int
1551: termp_bd_pre(DECL_ARGS)
1552: {
1.174 schwarze 1553: size_t tabwidth, lm, len, rm, rmax;
1.146 schwarze 1554: struct mdoc_node *nn;
1.1 kristaps 1555:
1.60 schwarze 1556: if (MDOC_BLOCK == n->type) {
1.61 schwarze 1557: print_bvspace(p, n, n);
1.45 schwarze 1558: return(1);
1.73 schwarze 1559: } else if (MDOC_HEAD == n->type)
1560: return(0);
1.1 kristaps 1561:
1.187 schwarze 1562: /* Handle the -offset argument. */
1563:
1564: if (n->norm->Bd.offs == NULL ||
1565: ! strcmp(n->norm->Bd.offs, "left"))
1566: /* nothing */;
1567: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1568: p->offset += term_len(p, p->defindent + 1);
1569: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1570: p->offset += term_len(p, (p->defindent + 1) * 2);
1571: else
1572: p->offset += a2width(p, n->norm->Bd.offs);
1.60 schwarze 1573:
1574: /*
1575: * If -ragged or -filled are specified, the block does nothing
1576: * but change the indentation. If -unfilled or -literal are
1577: * specified, text is printed exactly as entered in the display:
1578: * for macro lines, a newline is appended to the line. Blank
1579: * lines are allowed.
1580: */
1.166 schwarze 1581:
1582: if (DISP_literal != n->norm->Bd.type &&
1.174 schwarze 1583: DISP_unfilled != n->norm->Bd.type &&
1584: DISP_centered != n->norm->Bd.type)
1.1 kristaps 1585: return(1);
1586:
1.75 schwarze 1587: tabwidth = p->tabwidth;
1.123 schwarze 1588: if (DISP_literal == n->norm->Bd.type)
1589: p->tabwidth = term_len(p, 8);
1590:
1.174 schwarze 1591: lm = p->offset;
1.77 schwarze 1592: rm = p->rmargin;
1593: rmax = p->maxrmargin;
1594: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1595:
1.60 schwarze 1596: for (nn = n->child; nn; nn = nn->next) {
1.174 schwarze 1597: if (DISP_centered == n->norm->Bd.type) {
1598: if (MDOC_TEXT == nn->type) {
1599: len = term_strlen(p, nn->string);
1600: p->offset = len >= rm ? 0 :
1601: lm + len >= rm ? rm - len :
1602: (lm + rm - len) / 2;
1603: } else
1604: p->offset = lm;
1605: }
1.147 schwarze 1606: print_mdoc_node(p, pair, meta, nn);
1.108 schwarze 1607: /*
1608: * If the printed node flushes its own line, then we
1609: * needn't do it here as well. This is hacky, but the
1610: * notion of selective eoln whitespace is pretty dumb
1611: * anyway, so don't sweat it.
1612: */
1613: switch (nn->tok) {
1.166 schwarze 1614: case MDOC_Sm:
1.112 schwarze 1615: /* FALLTHROUGH */
1.166 schwarze 1616: case MDOC_br:
1.108 schwarze 1617: /* FALLTHROUGH */
1.166 schwarze 1618: case MDOC_sp:
1.108 schwarze 1619: /* FALLTHROUGH */
1.166 schwarze 1620: case MDOC_Bl:
1.115 schwarze 1621: /* FALLTHROUGH */
1.166 schwarze 1622: case MDOC_D1:
1.115 schwarze 1623: /* FALLTHROUGH */
1.166 schwarze 1624: case MDOC_Dl:
1.108 schwarze 1625: /* FALLTHROUGH */
1.166 schwarze 1626: case MDOC_Lp:
1.108 schwarze 1627: /* FALLTHROUGH */
1.166 schwarze 1628: case MDOC_Pp:
1.108 schwarze 1629: continue;
1630: default:
1631: break;
1632: }
1.100 schwarze 1633: if (nn->next && nn->next->line == nn->line)
1634: continue;
1635: term_flushln(p);
1.48 schwarze 1636: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1637: }
1.88 schwarze 1638:
1.75 schwarze 1639: p->tabwidth = tabwidth;
1.77 schwarze 1640: p->rmargin = rm;
1641: p->maxrmargin = rmax;
1.1 kristaps 1642: return(0);
1643: }
1644:
1645: static void
1646: termp_bd_post(DECL_ARGS)
1647: {
1.77 schwarze 1648: size_t rm, rmax;
1.1 kristaps 1649:
1.166 schwarze 1650: if (MDOC_BODY != n->type)
1.1 kristaps 1651: return;
1.77 schwarze 1652:
1653: rm = p->rmargin;
1654: rmax = p->maxrmargin;
1655:
1.166 schwarze 1656: if (DISP_literal == n->norm->Bd.type ||
1657: DISP_unfilled == n->norm->Bd.type)
1.77 schwarze 1658: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1659:
1.48 schwarze 1660: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1661: term_newln(p);
1.77 schwarze 1662:
1663: p->rmargin = rm;
1664: p->maxrmargin = rmax;
1.1 kristaps 1665: }
1666:
1.126 schwarze 1667: static int
1668: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1669: {
1670:
1.126 schwarze 1671: if (NULL != (n = n->child)) {
1672: term_word(p, n->string);
1673: p->flags |= TERMP_NOSPACE;
1674: term_word(p, "BSD");
1675: } else {
1676: term_word(p, "BSD");
1677: return(0);
1678: }
1679:
1680: if (NULL != (n = n->next)) {
1681: p->flags |= TERMP_NOSPACE;
1682: term_word(p, "-");
1.1 kristaps 1683: p->flags |= TERMP_NOSPACE;
1.126 schwarze 1684: term_word(p, n->string);
1685: }
1686:
1687: return(0);
1.1 kristaps 1688: }
1689:
1690: static int
1.26 schwarze 1691: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1692: {
1.26 schwarze 1693: const char *pp;
1.129 schwarze 1694: int flags;
1.1 kristaps 1695:
1.26 schwarze 1696: pp = NULL;
1.60 schwarze 1697: switch (n->tok) {
1.166 schwarze 1698: case MDOC_Bsx:
1.113 schwarze 1699: pp = "BSD/OS";
1.26 schwarze 1700: break;
1.166 schwarze 1701: case MDOC_Dx:
1.64 schwarze 1702: pp = "DragonFly";
1.26 schwarze 1703: break;
1.166 schwarze 1704: case MDOC_Fx:
1.26 schwarze 1705: pp = "FreeBSD";
1706: break;
1.166 schwarze 1707: case MDOC_Nx:
1.26 schwarze 1708: pp = "NetBSD";
1709: break;
1.166 schwarze 1710: case MDOC_Ox:
1.26 schwarze 1711: pp = "OpenBSD";
1712: break;
1.166 schwarze 1713: case MDOC_Ux:
1.26 schwarze 1714: pp = "UNIX";
1715: break;
1716: default:
1.148 schwarze 1717: abort();
1718: /* NOTREACHED */
1.26 schwarze 1719: }
1.1 kristaps 1720:
1.26 schwarze 1721: term_word(p, pp);
1.129 schwarze 1722: if (n->child) {
1723: flags = p->flags;
1724: p->flags |= TERMP_KEEP;
1725: term_word(p, n->child->string);
1726: p->flags = flags;
1727: }
1728: return(0);
1.1 kristaps 1729: }
1730:
1731: static void
1732: termp_pf_post(DECL_ARGS)
1733: {
1734:
1735: p->flags |= TERMP_NOSPACE;
1736: }
1737:
1738: static int
1739: termp_ss_pre(DECL_ARGS)
1740: {
1741:
1.60 schwarze 1742: switch (n->type) {
1.166 schwarze 1743: case MDOC_BLOCK:
1.1 kristaps 1744: term_newln(p);
1.60 schwarze 1745: if (n->prev)
1.1 kristaps 1746: term_vspace(p);
1747: break;
1.166 schwarze 1748: case MDOC_HEAD:
1.65 schwarze 1749: term_fontpush(p, TERMFONT_BOLD);
1.140 schwarze 1750: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1751: break;
1.176 schwarze 1752: case MDOC_BODY:
1753: p->offset = term_len(p, p->defindent);
1754: break;
1.1 kristaps 1755: default:
1756: break;
1757: }
1758:
1759: return(1);
1760: }
1761:
1762: static void
1763: termp_ss_post(DECL_ARGS)
1764: {
1765:
1.176 schwarze 1766: if (n->type == MDOC_HEAD || n->type == MDOC_BODY)
1.1 kristaps 1767: term_newln(p);
1768: }
1769:
1770: static int
1771: termp_cd_pre(DECL_ARGS)
1772: {
1773:
1.86 schwarze 1774: synopsis_pre(p, n);
1.65 schwarze 1775: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1776: return(1);
1777: }
1778:
1779: static int
1780: termp_in_pre(DECL_ARGS)
1781: {
1782:
1.86 schwarze 1783: synopsis_pre(p, n);
1.85 schwarze 1784:
1.92 schwarze 1785: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.85 schwarze 1786: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1787: term_word(p, "#include");
1.85 schwarze 1788: term_word(p, "<");
1789: } else {
1790: term_word(p, "<");
1791: term_fontpush(p, TERMFONT_UNDER);
1792: }
1.23 schwarze 1793:
1.1 kristaps 1794: p->flags |= TERMP_NOSPACE;
1795: return(1);
1796: }
1797:
1798: static void
1799: termp_in_post(DECL_ARGS)
1800: {
1801:
1.92 schwarze 1802: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1803: term_fontpush(p, TERMFONT_BOLD);
1804:
1.59 schwarze 1805: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1806: term_word(p, ">");
1807:
1.92 schwarze 1808: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1809: term_fontpop(p);
1.38 schwarze 1810: }
1811:
1812: static int
1813: termp_sp_pre(DECL_ARGS)
1814: {
1.61 schwarze 1815: size_t i, len;
1.38 schwarze 1816:
1.60 schwarze 1817: switch (n->tok) {
1.166 schwarze 1818: case MDOC_sp:
1.89 schwarze 1819: len = n->child ? a2height(p, n->child->string) : 1;
1.54 schwarze 1820: break;
1.166 schwarze 1821: case MDOC_br:
1.54 schwarze 1822: len = 0;
1823: break;
1824: default:
1825: len = 1;
1826: break;
1.38 schwarze 1827: }
1828:
1829: if (0 == len)
1830: term_newln(p);
1831: for (i = 0; i < len; i++)
1832: term_vspace(p);
1833:
1834: return(0);
1835: }
1836:
1837: static int
1.170 schwarze 1838: termp_es_pre(DECL_ARGS)
1839: {
1840:
1841: return(0);
1842: }
1843:
1844: static int
1.107 schwarze 1845: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1846: {
1847:
1.120 schwarze 1848: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1849: return(1);
1850:
1.107 schwarze 1851: switch (n->tok) {
1.166 schwarze 1852: case MDOC_Ao:
1.107 schwarze 1853: /* FALLTHROUGH */
1.166 schwarze 1854: case MDOC_Aq:
1.190 ! schwarze 1855: term_word(p, n->parent->prev != NULL &&
! 1856: n->parent->prev->tok == MDOC_An ? "<" : "\\(la");
1.107 schwarze 1857: break;
1.166 schwarze 1858: case MDOC_Bro:
1.107 schwarze 1859: /* FALLTHROUGH */
1.166 schwarze 1860: case MDOC_Brq:
1.107 schwarze 1861: term_word(p, "{");
1862: break;
1.166 schwarze 1863: case MDOC_Oo:
1.107 schwarze 1864: /* FALLTHROUGH */
1.166 schwarze 1865: case MDOC_Op:
1.107 schwarze 1866: /* FALLTHROUGH */
1.166 schwarze 1867: case MDOC_Bo:
1.107 schwarze 1868: /* FALLTHROUGH */
1.166 schwarze 1869: case MDOC_Bq:
1.107 schwarze 1870: term_word(p, "[");
1871: break;
1.166 schwarze 1872: case MDOC_Do:
1.107 schwarze 1873: /* FALLTHROUGH */
1.166 schwarze 1874: case MDOC_Dq:
1.151 schwarze 1875: term_word(p, "\\(lq");
1.107 schwarze 1876: break;
1.170 schwarze 1877: case MDOC_En:
1878: if (NULL == n->norm->Es ||
1879: NULL == n->norm->Es->child)
1880: return(1);
1881: term_word(p, n->norm->Es->child->string);
1882: break;
1.166 schwarze 1883: case MDOC_Eo:
1.139 schwarze 1884: break;
1.166 schwarze 1885: case MDOC_Po:
1.107 schwarze 1886: /* FALLTHROUGH */
1.166 schwarze 1887: case MDOC_Pq:
1.107 schwarze 1888: term_word(p, "(");
1889: break;
1.166 schwarze 1890: case MDOC__T:
1.120 schwarze 1891: /* FALLTHROUGH */
1.166 schwarze 1892: case MDOC_Qo:
1.107 schwarze 1893: /* FALLTHROUGH */
1.166 schwarze 1894: case MDOC_Qq:
1.107 schwarze 1895: term_word(p, "\"");
1896: break;
1.166 schwarze 1897: case MDOC_Ql:
1.107 schwarze 1898: /* FALLTHROUGH */
1.166 schwarze 1899: case MDOC_So:
1.107 schwarze 1900: /* FALLTHROUGH */
1.166 schwarze 1901: case MDOC_Sq:
1.151 schwarze 1902: term_word(p, "\\(oq");
1.107 schwarze 1903: break;
1904: default:
1905: abort();
1906: /* NOTREACHED */
1907: }
1.1 kristaps 1908:
1909: p->flags |= TERMP_NOSPACE;
1910: return(1);
1911: }
1912:
1913: static void
1.107 schwarze 1914: termp_quote_post(DECL_ARGS)
1.1 kristaps 1915: {
1916:
1.120 schwarze 1917: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1918: return;
1919:
1.170 schwarze 1920: if (MDOC_En != n->tok)
1921: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1922:
1.107 schwarze 1923: switch (n->tok) {
1.166 schwarze 1924: case MDOC_Ao:
1.107 schwarze 1925: /* FALLTHROUGH */
1.166 schwarze 1926: case MDOC_Aq:
1.190 ! schwarze 1927: term_word(p, n->parent->prev != NULL &&
! 1928: n->parent->prev->tok == MDOC_An ? ">" : "\\(ra");
1.107 schwarze 1929: break;
1.166 schwarze 1930: case MDOC_Bro:
1.107 schwarze 1931: /* FALLTHROUGH */
1.166 schwarze 1932: case MDOC_Brq:
1.107 schwarze 1933: term_word(p, "}");
1934: break;
1.166 schwarze 1935: case MDOC_Oo:
1.107 schwarze 1936: /* FALLTHROUGH */
1.166 schwarze 1937: case MDOC_Op:
1.107 schwarze 1938: /* FALLTHROUGH */
1.166 schwarze 1939: case MDOC_Bo:
1.107 schwarze 1940: /* FALLTHROUGH */
1.166 schwarze 1941: case MDOC_Bq:
1.107 schwarze 1942: term_word(p, "]");
1943: break;
1.166 schwarze 1944: case MDOC_Do:
1.107 schwarze 1945: /* FALLTHROUGH */
1.166 schwarze 1946: case MDOC_Dq:
1.151 schwarze 1947: term_word(p, "\\(rq");
1.170 schwarze 1948: break;
1949: case MDOC_En:
1950: if (NULL != n->norm->Es &&
1951: NULL != n->norm->Es->child &&
1952: NULL != n->norm->Es->child->next) {
1953: p->flags |= TERMP_NOSPACE;
1954: term_word(p, n->norm->Es->child->next->string);
1955: }
1.139 schwarze 1956: break;
1.166 schwarze 1957: case MDOC_Eo:
1.107 schwarze 1958: break;
1.166 schwarze 1959: case MDOC_Po:
1.107 schwarze 1960: /* FALLTHROUGH */
1.166 schwarze 1961: case MDOC_Pq:
1.107 schwarze 1962: term_word(p, ")");
1963: break;
1.166 schwarze 1964: case MDOC__T:
1.120 schwarze 1965: /* FALLTHROUGH */
1.166 schwarze 1966: case MDOC_Qo:
1.107 schwarze 1967: /* FALLTHROUGH */
1.166 schwarze 1968: case MDOC_Qq:
1.107 schwarze 1969: term_word(p, "\"");
1970: break;
1.166 schwarze 1971: case MDOC_Ql:
1.107 schwarze 1972: /* FALLTHROUGH */
1.166 schwarze 1973: case MDOC_So:
1.107 schwarze 1974: /* FALLTHROUGH */
1.166 schwarze 1975: case MDOC_Sq:
1.151 schwarze 1976: term_word(p, "\\(cq");
1.107 schwarze 1977: break;
1978: default:
1979: abort();
1980: /* NOTREACHED */
1981: }
1.1 kristaps 1982: }
1983:
1984: static int
1985: termp_fo_pre(DECL_ARGS)
1986: {
1.159 schwarze 1987: size_t rmargin = 0;
1.158 schwarze 1988: int pretty;
1989:
1990: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1991:
1.85 schwarze 1992: if (MDOC_BLOCK == n->type) {
1.86 schwarze 1993: synopsis_pre(p, n);
1.85 schwarze 1994: return(1);
1995: } else if (MDOC_BODY == n->type) {
1.158 schwarze 1996: if (pretty) {
1997: rmargin = p->rmargin;
1.159 schwarze 1998: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1999: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
2000: TERMP_HANG;
1.158 schwarze 2001: }
1.31 schwarze 2002: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2003: term_word(p, "(");
1.132 schwarze 2004: p->flags |= TERMP_NOSPACE;
1.158 schwarze 2005: if (pretty) {
2006: term_flushln(p);
1.165 schwarze 2007: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
2008: TERMP_HANG);
1.158 schwarze 2009: p->offset = p->rmargin;
2010: p->rmargin = rmargin;
2011: }
1.1 kristaps 2012: return(1);
1.158 schwarze 2013: }
1.85 schwarze 2014:
1.95 schwarze 2015: if (NULL == n->child)
2016: return(0);
2017:
1.85 schwarze 2018: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2019:
1.85 schwarze 2020: assert(n->child->string);
1.65 schwarze 2021: term_fontpush(p, TERMFONT_BOLD);
1.85 schwarze 2022: term_word(p, n->child->string);
1.1 kristaps 2023: return(0);
2024: }
2025:
2026: static void
2027: termp_fo_post(DECL_ARGS)
2028: {
2029:
1.166 schwarze 2030: if (MDOC_BODY != n->type)
1.86 schwarze 2031: return;
2032:
1.132 schwarze 2033: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2034: term_word(p, ")");
2035:
1.132 schwarze 2036: if (MDOC_SYNPRETTY & n->flags) {
2037: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2038: term_word(p, ";");
1.158 schwarze 2039: term_flushln(p);
1.132 schwarze 2040: }
1.1 kristaps 2041: }
2042:
2043: static int
2044: termp_bf_pre(DECL_ARGS)
2045: {
2046:
1.60 schwarze 2047: if (MDOC_HEAD == n->type)
1.1 kristaps 2048: return(0);
1.146 schwarze 2049: else if (MDOC_BODY != n->type)
1.1 kristaps 2050: return(1);
2051:
1.166 schwarze 2052: if (FONT_Em == n->norm->Bf.font)
1.65 schwarze 2053: term_fontpush(p, TERMFONT_UNDER);
1.166 schwarze 2054: else if (FONT_Sy == n->norm->Bf.font)
1.65 schwarze 2055: term_fontpush(p, TERMFONT_BOLD);
1.166 schwarze 2056: else
1.65 schwarze 2057: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2058:
2059: return(1);
2060: }
2061:
2062: static int
2063: termp_sm_pre(DECL_ARGS)
2064: {
2065:
1.171 schwarze 2066: if (NULL == n->child)
2067: p->flags ^= TERMP_NONOSPACE;
2068: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 2069: p->flags &= ~TERMP_NONOSPACE;
1.171 schwarze 2070: else
1.1 kristaps 2071: p->flags |= TERMP_NONOSPACE;
1.171 schwarze 2072:
2073: if (p->col && ! (TERMP_NONOSPACE & p->flags))
2074: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2075:
2076: return(0);
2077: }
2078:
2079: static int
2080: termp_ap_pre(DECL_ARGS)
2081: {
2082:
2083: p->flags |= TERMP_NOSPACE;
1.107 schwarze 2084: term_word(p, "'");
1.1 kristaps 2085: p->flags |= TERMP_NOSPACE;
2086: return(1);
2087: }
2088:
2089: static void
2090: termp____post(DECL_ARGS)
2091: {
1.104 schwarze 2092:
2093: /*
2094: * Handle lists of authors. In general, print each followed by
2095: * a comma. Don't print the comma if there are only two
2096: * authors.
2097: */
2098: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2099: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2100: if (NULL == n->prev || MDOC__A != n->prev->tok)
2101: return;
1.1 kristaps 2102:
1.62 schwarze 2103: /* TODO: %U. */
2104:
1.106 schwarze 2105: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2106: return;
2107:
1.132 schwarze 2108: p->flags |= TERMP_NOSPACE;
1.106 schwarze 2109: if (NULL == n->next) {
2110: term_word(p, ".");
2111: p->flags |= TERMP_SENTENCE;
2112: } else
2113: term_word(p, ",");
1.1 kristaps 2114: }
2115:
2116: static int
1.65 schwarze 2117: termp_li_pre(DECL_ARGS)
2118: {
2119:
2120: term_fontpush(p, TERMFONT_NONE);
2121: return(1);
2122: }
2123:
2124: static int
1.1 kristaps 2125: termp_lk_pre(DECL_ARGS)
2126: {
1.142 schwarze 2127: const struct mdoc_node *link, *descr;
1.1 kristaps 2128:
1.142 schwarze 2129: if (NULL == (link = n->child))
2130: return(0);
1.101 schwarze 2131:
1.142 schwarze 2132: if (NULL != (descr = link->next)) {
2133: term_fontpush(p, TERMFONT_UNDER);
2134: while (NULL != descr) {
2135: term_word(p, descr->string);
2136: descr = descr->next;
2137: }
2138: p->flags |= TERMP_NOSPACE;
2139: term_word(p, ":");
2140: term_fontpop(p);
2141: }
1.1 kristaps 2142:
1.65 schwarze 2143: term_fontpush(p, TERMFONT_BOLD);
1.142 schwarze 2144: term_word(p, link->string);
1.65 schwarze 2145: term_fontpop(p);
1.6 schwarze 2146:
1.1 kristaps 2147: return(0);
2148: }
2149:
1.90 schwarze 2150: static int
2151: termp_bk_pre(DECL_ARGS)
2152: {
2153:
1.91 schwarze 2154: switch (n->type) {
1.166 schwarze 2155: case MDOC_BLOCK:
1.95 schwarze 2156: break;
1.166 schwarze 2157: case MDOC_HEAD:
1.91 schwarze 2158: return(0);
1.166 schwarze 2159: case MDOC_BODY:
1.117 schwarze 2160: if (n->parent->args || 0 == n->prev->nchild)
2161: p->flags |= TERMP_PREKEEP;
1.95 schwarze 2162: break;
1.91 schwarze 2163: default:
2164: abort();
1.95 schwarze 2165: /* NOTREACHED */
1.91 schwarze 2166: }
1.95 schwarze 2167:
2168: return(1);
1.90 schwarze 2169: }
2170:
2171: static void
2172: termp_bk_post(DECL_ARGS)
2173: {
2174:
1.155 schwarze 2175: if (MDOC_BODY == n->type)
1.91 schwarze 2176: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 2177: }
1.120 schwarze 2178:
2179: static void
2180: termp__t_post(DECL_ARGS)
2181: {
2182:
2183: /*
2184: * If we're in an `Rs' and there's a journal present, then quote
2185: * us instead of underlining us (for disambiguation).
2186: */
1.121 schwarze 2187: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2188: n->parent->norm->Rs.quote_T)
1.147 schwarze 2189: termp_quote_post(p, pair, meta, n);
1.120 schwarze 2190:
1.147 schwarze 2191: termp____post(p, pair, meta, n);
1.120 schwarze 2192: }
2193:
2194: static int
2195: termp__t_pre(DECL_ARGS)
2196: {
2197:
2198: /*
2199: * If we're in an `Rs' and there's a journal present, then quote
2200: * us instead of underlining us (for disambiguation).
2201: */
1.121 schwarze 2202: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2203: n->parent->norm->Rs.quote_T)
1.147 schwarze 2204: return(termp_quote_pre(p, pair, meta, n));
1.120 schwarze 2205:
2206: term_fontpush(p, TERMFONT_UNDER);
2207: return(1);
1.121 schwarze 2208: }
1.1 kristaps 2209:
2210: static int
1.54 schwarze 2211: termp_under_pre(DECL_ARGS)
1.1 kristaps 2212: {
2213:
1.65 schwarze 2214: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 2215: return(1);
2216: }
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